diff options
author | Sean Paul <seanpaul@chromium.org> | 2018-09-27 09:54:54 +0300 |
---|---|---|
committer | Sean Paul <seanpaul@chromium.org> | 2018-09-27 09:54:54 +0300 |
commit | 7b76d0588477d4b6097a9048b42835a45caf5c48 (patch) | |
tree | fa4e0bcd49f8d17f26795224290c8f8460aa4116 /drivers/gpu/drm/omapdrm | |
parent | a74c0aa524050e5fd6c275a153b1f37283f6e37c (diff) | |
parent | bf78296ab1cb215d0609ac6cff4e43e941e51265 (diff) | |
download | linux-7b76d0588477d4b6097a9048b42835a45caf5c48.tar.xz |
Merge drm/drm-next into drm-misc-next
Backmerging 4.19-rc5 to pick up sun4i fix
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/omapdrm')
42 files changed, 2295 insertions, 3873 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c b/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c index 9eabd7201a12..28a3ce8f88d2 100644 --- a/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c +++ b/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c @@ -18,77 +18,27 @@ struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; struct device *dev; - - struct videomode vm; -}; - -static const struct videomode tvc_pal_vm = { - .hactive = 720, - .vactive = 574, - .pixelclock = 13500000, - .hsync_len = 64, - .hfront_porch = 12, - .hback_porch = 68, - .vsync_len = 5, - .vfront_porch = 5, - .vback_porch = 41, - - .flags = DISPLAY_FLAGS_INTERLACED | DISPLAY_FLAGS_HSYNC_LOW | - DISPLAY_FLAGS_VSYNC_LOW, }; #define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev) -static int tvc_connect(struct omap_dss_device *dssdev) +static int tvc_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; - int r; - - dev_dbg(ddata->dev, "connect\n"); - - if (omapdss_device_is_connected(dssdev)) - return 0; - - in = omapdss_of_find_source_for_first_ep(ddata->dev->of_node); - if (IS_ERR(in)) { - dev_err(ddata->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.atv->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); - return r; - } - - ddata->in = in; return 0; } -static void tvc_disconnect(struct omap_dss_device *dssdev) +static void tvc_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - dev_dbg(ddata->dev, "disconnect\n"); - - if (!omapdss_device_is_connected(dssdev)) - return; - - in->ops.atv->disconnect(in, dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; } static int tvc_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; dev_dbg(ddata->dev, "enable\n"); @@ -99,9 +49,7 @@ static int tvc_enable(struct omap_dss_device *dssdev) if (omapdss_device_is_enabled(dssdev)) return 0; - in->ops.atv->set_timings(in, &ddata->vm); - - r = in->ops.atv->enable(in); + r = src->ops->enable(src); if (r) return r; @@ -113,83 +61,30 @@ static int tvc_enable(struct omap_dss_device *dssdev) static void tvc_disable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; dev_dbg(ddata->dev, "disable\n"); if (!omapdss_device_is_enabled(dssdev)) return; - in->ops.atv->disable(in); + src->ops->disable(src); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void tvc_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.atv->set_timings(in, vm); -} - -static void tvc_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - - *vm = ddata->vm; -} - -static int tvc_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.atv->check_timings(in, vm); -} - -static u32 tvc_get_wss(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.atv->get_wss(in); -} - -static int tvc_set_wss(struct omap_dss_device *dssdev, u32 wss) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.atv->set_wss(in, wss); -} - -static struct omap_dss_driver tvc_driver = { +static const struct omap_dss_device_ops tvc_ops = { .connect = tvc_connect, .disconnect = tvc_disconnect, .enable = tvc_enable, .disable = tvc_disable, - - .set_timings = tvc_set_timings, - .get_timings = tvc_get_timings, - .check_timings = tvc_check_timings, - - .get_wss = tvc_get_wss, - .set_wss = tvc_set_wss, }; static int tvc_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; struct omap_dss_device *dssdev; - int r; ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); if (!ddata) @@ -198,20 +93,15 @@ static int tvc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ddata); ddata->dev = &pdev->dev; - ddata->vm = tvc_pal_vm; - dssdev = &ddata->dssdev; - dssdev->driver = &tvc_driver; + dssdev->ops = &tvc_ops; dssdev->dev = &pdev->dev; dssdev->type = OMAP_DISPLAY_TYPE_VENC; dssdev->owner = THIS_MODULE; - dssdev->panel.vm = tvc_pal_vm; + dssdev->of_ports = BIT(0); - r = omapdss_register_display(dssdev); - if (r) { - dev_err(&pdev->dev, "Failed to register panel\n"); - return r; - } + omapdss_display_init(dssdev); + omapdss_device_register(dssdev); return 0; } @@ -221,10 +111,9 @@ static int __exit tvc_remove(struct platform_device *pdev) struct panel_drv_data *ddata = platform_get_drvdata(pdev); struct omap_dss_device *dssdev = &ddata->dssdev; - omapdss_unregister_display(&ddata->dssdev); + omapdss_device_unregister(&ddata->dssdev); tvc_disable(dssdev); - tvc_disconnect(dssdev); return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/connector-dvi.c b/drivers/gpu/drm/omapdrm/displays/connector-dvi.c index 6d8cbd9e2110..24b14f44248e 100644 --- a/drivers/gpu/drm/omapdrm/displays/connector-dvi.c +++ b/drivers/gpu/drm/omapdrm/displays/connector-dvi.c @@ -19,30 +19,8 @@ #include "../dss/omapdss.h" -static const struct videomode dvic_default_vm = { - .hactive = 640, - .vactive = 480, - - .pixelclock = 23500000, - - .hfront_porch = 48, - .hsync_len = 32, - .hback_porch = 80, - - .vfront_porch = 3, - .vsync_len = 4, - .vback_porch = 7, - - .flags = DISPLAY_FLAGS_HSYNC_HIGH | DISPLAY_FLAGS_VSYNC_HIGH | - DISPLAY_FLAGS_SYNC_NEGEDGE | DISPLAY_FLAGS_DE_HIGH | - DISPLAY_FLAGS_PIXDATA_POSEDGE, -}; - struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; - - struct videomode vm; struct i2c_adapter *i2c_adapter; @@ -57,49 +35,20 @@ struct panel_drv_data { #define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev) -static int dvic_connect(struct omap_dss_device *dssdev) +static int dvic_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; - int r; - - if (omapdss_device_is_connected(dssdev)) - return 0; - - in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); - if (IS_ERR(in)) { - dev_err(dssdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.dvi->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); - return r; - } - - ddata->in = in; return 0; } -static void dvic_disconnect(struct omap_dss_device *dssdev) +static void dvic_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (!omapdss_device_is_connected(dssdev)) - return; - - in->ops.dvi->disconnect(in, dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; } static int dvic_enable(struct omap_dss_device *dssdev) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; if (!omapdss_device_is_connected(dssdev)) @@ -108,9 +57,7 @@ static int dvic_enable(struct omap_dss_device *dssdev) if (omapdss_device_is_enabled(dssdev)) return 0; - in->ops.dvi->set_timings(in, &ddata->vm); - - r = in->ops.dvi->enable(in); + r = src->ops->enable(src); if (r) return r; @@ -121,46 +68,16 @@ static int dvic_enable(struct omap_dss_device *dssdev) static void dvic_disable(struct omap_dss_device *dssdev) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; if (!omapdss_device_is_enabled(dssdev)) return; - in->ops.dvi->disable(in); + src->ops->disable(src); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void dvic_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.dvi->set_timings(in, vm); -} - -static void dvic_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - - *vm = ddata->vm; -} - -static int dvic_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.dvi->check_timings(in, vm); -} - static int dvic_ddc_read(struct i2c_adapter *adapter, unsigned char *buf, u16 count, u8 offset) { @@ -198,12 +115,6 @@ static int dvic_read_edid(struct omap_dss_device *dssdev, struct panel_drv_data *ddata = to_panel_data(dssdev); int r, l, bytes_read; - if (ddata->hpd_gpio && !gpiod_get_value_cansleep(ddata->hpd_gpio)) - return -ENODEV; - - if (!ddata->i2c_adapter) - return -ENODEV; - l = min(EDID_LENGTH, len); r = dvic_ddc_read(ddata->i2c_adapter, edid, l, 0); if (r) @@ -243,78 +154,41 @@ static bool dvic_detect(struct omap_dss_device *dssdev) return r == 0; } -static int dvic_register_hpd_cb(struct omap_dss_device *dssdev, +static void dvic_register_hpd_cb(struct omap_dss_device *dssdev, void (*cb)(void *cb_data, enum drm_connector_status status), void *cb_data) { struct panel_drv_data *ddata = to_panel_data(dssdev); - if (!ddata->hpd_gpio) - return -ENOTSUPP; - mutex_lock(&ddata->hpd_lock); ddata->hpd_cb = cb; ddata->hpd_cb_data = cb_data; mutex_unlock(&ddata->hpd_lock); - return 0; } static void dvic_unregister_hpd_cb(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - if (!ddata->hpd_gpio) - return; - mutex_lock(&ddata->hpd_lock); ddata->hpd_cb = NULL; ddata->hpd_cb_data = NULL; mutex_unlock(&ddata->hpd_lock); } -static void dvic_enable_hpd(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - - if (!ddata->hpd_gpio) - return; - - mutex_lock(&ddata->hpd_lock); - ddata->hpd_enabled = true; - mutex_unlock(&ddata->hpd_lock); -} - -static void dvic_disable_hpd(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - - if (!ddata->hpd_gpio) - return; - - mutex_lock(&ddata->hpd_lock); - ddata->hpd_enabled = false; - mutex_unlock(&ddata->hpd_lock); -} - -static struct omap_dss_driver dvic_driver = { +static const struct omap_dss_device_ops dvic_ops = { .connect = dvic_connect, .disconnect = dvic_disconnect, .enable = dvic_enable, .disable = dvic_disable, - .set_timings = dvic_set_timings, - .get_timings = dvic_get_timings, - .check_timings = dvic_check_timings, - .read_edid = dvic_read_edid, .detect = dvic_detect, .register_hpd_cb = dvic_register_hpd_cb, .unregister_hpd_cb = dvic_unregister_hpd_cb, - .enable_hpd = dvic_enable_hpd, - .disable_hpd = dvic_disable_hpd, }; static irqreturn_t dvic_hpd_isr(int irq, void *data) @@ -396,28 +270,24 @@ static int dvic_probe(struct platform_device *pdev) if (r) return r; - ddata->vm = dvic_default_vm; - dssdev = &ddata->dssdev; - dssdev->driver = &dvic_driver; + dssdev->ops = &dvic_ops; dssdev->dev = &pdev->dev; dssdev->type = OMAP_DISPLAY_TYPE_DVI; dssdev->owner = THIS_MODULE; - dssdev->panel.vm = dvic_default_vm; + dssdev->of_ports = BIT(0); - r = omapdss_register_display(dssdev); - if (r) { - dev_err(&pdev->dev, "Failed to register panel\n"); - goto err_reg; - } - - return 0; + if (ddata->hpd_gpio) + dssdev->ops_flags |= OMAP_DSS_DEVICE_OP_DETECT + | OMAP_DSS_DEVICE_OP_HPD; + if (ddata->i2c_adapter) + dssdev->ops_flags |= OMAP_DSS_DEVICE_OP_DETECT + | OMAP_DSS_DEVICE_OP_EDID; -err_reg: - i2c_put_adapter(ddata->i2c_adapter); - mutex_destroy(&ddata->hpd_lock); + omapdss_display_init(dssdev); + omapdss_device_register(dssdev); - return r; + return 0; } static int __exit dvic_remove(struct platform_device *pdev) @@ -425,10 +295,9 @@ static int __exit dvic_remove(struct platform_device *pdev) struct panel_drv_data *ddata = platform_get_drvdata(pdev); struct omap_dss_device *dssdev = &ddata->dssdev; - omapdss_unregister_display(&ddata->dssdev); + omapdss_device_unregister(&ddata->dssdev); dvic_disable(dssdev); - dvic_disconnect(dssdev); i2c_put_adapter(ddata->i2c_adapter); diff --git a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c index ca30ed9da7eb..e602fa4a50a4 100644 --- a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c +++ b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c @@ -10,95 +10,41 @@ */ #include <linux/gpio/consumer.h> -#include <linux/slab.h> #include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/of.h> -#include <linux/of_gpio.h> #include <linux/mutex.h> - -#include <drm/drm_edid.h> +#include <linux/platform_device.h> +#include <linux/slab.h> #include "../dss/omapdss.h" -static const struct videomode hdmic_default_vm = { - .hactive = 640, - .vactive = 480, - .pixelclock = 25175000, - .hsync_len = 96, - .hfront_porch = 16, - .hback_porch = 48, - .vsync_len = 2, - .vfront_porch = 11, - .vback_porch = 31, - - .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW, -}; - struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; void (*hpd_cb)(void *cb_data, enum drm_connector_status status); void *hpd_cb_data; - bool hpd_enabled; struct mutex hpd_lock; struct device *dev; - struct videomode vm; - - int hpd_gpio; + struct gpio_desc *hpd_gpio; }; #define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev) -static int hdmic_connect(struct omap_dss_device *dssdev) +static int hdmic_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; - int r; - - dev_dbg(ddata->dev, "connect\n"); - - if (omapdss_device_is_connected(dssdev)) - return 0; - - in = omapdss_of_find_source_for_first_ep(ddata->dev->of_node); - if (IS_ERR(in)) { - dev_err(ddata->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.hdmi->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); - return r; - } - - ddata->in = in; return 0; } -static void hdmic_disconnect(struct omap_dss_device *dssdev) +static void hdmic_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - dev_dbg(ddata->dev, "disconnect\n"); - - if (!omapdss_device_is_connected(dssdev)) - return; - - in->ops.hdmi->disconnect(in, dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; } static int hdmic_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; dev_dbg(ddata->dev, "enable\n"); @@ -109,9 +55,7 @@ static int hdmic_enable(struct omap_dss_device *dssdev) if (omapdss_device_is_enabled(dssdev)) return 0; - in->ops.hdmi->set_timings(in, &ddata->vm); - - r = in->ops.hdmi->enable(in); + r = src->ops->enable(src); if (r) return r; @@ -123,171 +67,58 @@ static int hdmic_enable(struct omap_dss_device *dssdev) static void hdmic_disable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; dev_dbg(ddata->dev, "disable\n"); if (!omapdss_device_is_enabled(dssdev)) return; - in->ops.hdmi->disable(in); + src->ops->disable(src); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void hdmic_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.hdmi->set_timings(in, vm); -} - -static void hdmic_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - - *vm = ddata->vm; -} - -static int hdmic_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.hdmi->check_timings(in, vm); -} - -static int hdmic_read_edid(struct omap_dss_device *dssdev, - u8 *edid, int len) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.hdmi->read_edid(in, edid, len); -} - static bool hdmic_detect(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - bool connected; - - if (gpio_is_valid(ddata->hpd_gpio)) - connected = gpio_get_value_cansleep(ddata->hpd_gpio); - else - connected = in->ops.hdmi->detect(in); - if (!connected && in->ops.hdmi->lost_hotplug) - in->ops.hdmi->lost_hotplug(in); - return connected; + + return gpiod_get_value_cansleep(ddata->hpd_gpio); } -static int hdmic_register_hpd_cb(struct omap_dss_device *dssdev, - void (*cb)(void *cb_data, +static void hdmic_register_hpd_cb(struct omap_dss_device *dssdev, + void (*cb)(void *cb_data, enum drm_connector_status status), - void *cb_data) + void *cb_data) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (gpio_is_valid(ddata->hpd_gpio)) { - mutex_lock(&ddata->hpd_lock); - ddata->hpd_cb = cb; - ddata->hpd_cb_data = cb_data; - mutex_unlock(&ddata->hpd_lock); - return 0; - } else if (in->ops.hdmi->register_hpd_cb) { - return in->ops.hdmi->register_hpd_cb(in, cb, cb_data); - } - return -ENOTSUPP; + mutex_lock(&ddata->hpd_lock); + ddata->hpd_cb = cb; + ddata->hpd_cb_data = cb_data; + mutex_unlock(&ddata->hpd_lock); } static void hdmic_unregister_hpd_cb(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (gpio_is_valid(ddata->hpd_gpio)) { - mutex_lock(&ddata->hpd_lock); - ddata->hpd_cb = NULL; - ddata->hpd_cb_data = NULL; - mutex_unlock(&ddata->hpd_lock); - } else if (in->ops.hdmi->unregister_hpd_cb) { - in->ops.hdmi->unregister_hpd_cb(in); - } -} - -static void hdmic_enable_hpd(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (gpio_is_valid(ddata->hpd_gpio)) { - mutex_lock(&ddata->hpd_lock); - ddata->hpd_enabled = true; - mutex_unlock(&ddata->hpd_lock); - } else if (in->ops.hdmi->enable_hpd) { - in->ops.hdmi->enable_hpd(in); - } -} - -static void hdmic_disable_hpd(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (gpio_is_valid(ddata->hpd_gpio)) { - mutex_lock(&ddata->hpd_lock); - ddata->hpd_enabled = false; - mutex_unlock(&ddata->hpd_lock); - } else if (in->ops.hdmi->disable_hpd) { - in->ops.hdmi->disable_hpd(in); - } -} - -static int hdmic_set_hdmi_mode(struct omap_dss_device *dssdev, bool hdmi_mode) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.hdmi->set_hdmi_mode(in, hdmi_mode); -} - -static int hdmic_set_infoframe(struct omap_dss_device *dssdev, - const struct hdmi_avi_infoframe *avi) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - return in->ops.hdmi->set_infoframe(in, avi); + mutex_lock(&ddata->hpd_lock); + ddata->hpd_cb = NULL; + ddata->hpd_cb_data = NULL; + mutex_unlock(&ddata->hpd_lock); } -static struct omap_dss_driver hdmic_driver = { +static const struct omap_dss_device_ops hdmic_ops = { .connect = hdmic_connect, .disconnect = hdmic_disconnect, .enable = hdmic_enable, .disable = hdmic_disable, - .set_timings = hdmic_set_timings, - .get_timings = hdmic_get_timings, - .check_timings = hdmic_check_timings, - - .read_edid = hdmic_read_edid, .detect = hdmic_detect, .register_hpd_cb = hdmic_register_hpd_cb, .unregister_hpd_cb = hdmic_unregister_hpd_cb, - .enable_hpd = hdmic_enable_hpd, - .disable_hpd = hdmic_disable_hpd, - .set_hdmi_mode = hdmic_set_hdmi_mode, - .set_hdmi_infoframe = hdmic_set_infoframe, }; static irqreturn_t hdmic_hpd_isr(int irq, void *data) @@ -295,7 +126,7 @@ static irqreturn_t hdmic_hpd_isr(int irq, void *data) struct panel_drv_data *ddata = data; mutex_lock(&ddata->hpd_lock); - if (ddata->hpd_enabled && ddata->hpd_cb) { + if (ddata->hpd_cb) { enum drm_connector_status status; if (hdmic_detect(&ddata->dssdev)) @@ -310,26 +141,11 @@ static irqreturn_t hdmic_hpd_isr(int irq, void *data) return IRQ_HANDLED; } -static int hdmic_probe_of(struct platform_device *pdev) -{ - struct panel_drv_data *ddata = platform_get_drvdata(pdev); - struct device_node *node = pdev->dev.of_node; - int gpio; - - /* HPD GPIO */ - gpio = of_get_named_gpio(node, "hpd-gpios", 0); - if (gpio_is_valid(gpio)) - ddata->hpd_gpio = gpio; - else - ddata->hpd_gpio = -ENODEV; - - return 0; -} - static int hdmic_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; struct omap_dss_device *dssdev; + struct gpio_desc *gpio; int r; ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); @@ -339,20 +155,20 @@ static int hdmic_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ddata); ddata->dev = &pdev->dev; - r = hdmic_probe_of(pdev); - if (r) - return r; - mutex_init(&ddata->hpd_lock); - if (gpio_is_valid(ddata->hpd_gpio)) { - r = devm_gpio_request_one(&pdev->dev, ddata->hpd_gpio, - GPIOF_DIR_IN, "hdmi_hpd"); - if (r) - return r; + /* HPD GPIO */ + gpio = devm_gpiod_get_optional(&pdev->dev, "hpd", GPIOD_IN); + if (IS_ERR(gpio)) { + dev_err(&pdev->dev, "failed to parse HPD gpio\n"); + return PTR_ERR(gpio); + } + + ddata->hpd_gpio = gpio; + if (ddata->hpd_gpio) { r = devm_request_threaded_irq(&pdev->dev, - gpio_to_irq(ddata->hpd_gpio), + gpiod_to_irq(ddata->hpd_gpio), NULL, hdmic_hpd_isr, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, @@ -361,20 +177,18 @@ static int hdmic_probe(struct platform_device *pdev) return r; } - ddata->vm = hdmic_default_vm; - dssdev = &ddata->dssdev; - dssdev->driver = &hdmic_driver; + dssdev->ops = &hdmic_ops; dssdev->dev = &pdev->dev; dssdev->type = OMAP_DISPLAY_TYPE_HDMI; dssdev->owner = THIS_MODULE; - dssdev->panel.vm = hdmic_default_vm; + dssdev->of_ports = BIT(0); + dssdev->ops_flags = ddata->hpd_gpio + ? OMAP_DSS_DEVICE_OP_DETECT | OMAP_DSS_DEVICE_OP_HPD + : 0; - r = omapdss_register_display(dssdev); - if (r) { - dev_err(&pdev->dev, "Failed to register panel\n"); - return r; - } + omapdss_display_init(dssdev); + omapdss_device_register(dssdev); return 0; } @@ -384,10 +198,9 @@ static int __exit hdmic_remove(struct platform_device *pdev) struct panel_drv_data *ddata = platform_get_drvdata(pdev); struct omap_dss_device *dssdev = &ddata->dssdev; - omapdss_unregister_display(&ddata->dssdev); + omapdss_device_unregister(&ddata->dssdev); hdmic_disable(dssdev); - hdmic_disconnect(dssdev); return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c index afee1b8b457a..4fefd80f53bb 100644 --- a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c +++ b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c @@ -23,75 +23,28 @@ struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; struct gpio_desc *enable_gpio; - - struct videomode vm; }; #define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev) -static int opa362_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int opa362_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; - int r; - - dev_dbg(dssdev->dev, "connect\n"); - - if (omapdss_device_is_connected(dssdev)) - return -EBUSY; - - in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); - if (IS_ERR(in)) { - dev_err(dssdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.atv->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); - return r; - } - - dst->src = dssdev; - dssdev->dst = dst; - - ddata->in = in; - return 0; + return omapdss_device_connect(dst->dss, dst, dst->next); } -static void opa362_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void opa362_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - dev_dbg(dssdev->dev, "disconnect\n"); - - WARN_ON(!omapdss_device_is_connected(dssdev)); - if (!omapdss_device_is_connected(dssdev)) - return; - - WARN_ON(dst != dssdev->dst); - if (dst != dssdev->dst) - return; - - dst->src = NULL; - dssdev->dst = NULL; - - in->ops.atv->disconnect(in, &ddata->dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; + omapdss_device_disconnect(dst, dst->next); } static int opa362_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; dev_dbg(dssdev->dev, "enable\n"); @@ -102,9 +55,7 @@ static int opa362_enable(struct omap_dss_device *dssdev) if (omapdss_device_is_enabled(dssdev)) return 0; - in->ops.atv->set_timings(in, &ddata->vm); - - r = in->ops.atv->enable(in); + r = src->ops->enable(src); if (r) return r; @@ -119,7 +70,7 @@ static int opa362_enable(struct omap_dss_device *dssdev) static void opa362_disable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; dev_dbg(dssdev->dev, "disable\n"); @@ -129,56 +80,16 @@ static void opa362_disable(struct omap_dss_device *dssdev) if (ddata->enable_gpio) gpiod_set_value_cansleep(ddata->enable_gpio, 0); - in->ops.atv->disable(in); + src->ops->disable(src); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void opa362_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - dev_dbg(dssdev->dev, "set_timings\n"); - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.atv->set_timings(in, vm); -} - -static void opa362_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - - dev_dbg(dssdev->dev, "get_timings\n"); - - *vm = ddata->vm; -} - -static int opa362_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - dev_dbg(dssdev->dev, "check_timings\n"); - - return in->ops.atv->check_timings(in, vm); -} - -static const struct omapdss_atv_ops opa362_atv_ops = { +static const struct omap_dss_device_ops opa362_ops = { .connect = opa362_connect, .disconnect = opa362_disconnect, - .enable = opa362_enable, .disable = opa362_disable, - - .check_timings = opa362_check_timings, - .set_timings = opa362_set_timings, - .get_timings = opa362_get_timings, }; static int opa362_probe(struct platform_device *pdev) @@ -186,7 +97,6 @@ static int opa362_probe(struct platform_device *pdev) struct panel_drv_data *ddata; struct omap_dss_device *dssdev; struct gpio_desc *gpio; - int r; dev_dbg(&pdev->dev, "probe\n"); @@ -203,18 +113,22 @@ static int opa362_probe(struct platform_device *pdev) ddata->enable_gpio = gpio; dssdev = &ddata->dssdev; - dssdev->ops.atv = &opa362_atv_ops; + dssdev->ops = &opa362_ops; dssdev->dev = &pdev->dev; dssdev->type = OMAP_DISPLAY_TYPE_VENC; dssdev->output_type = OMAP_DISPLAY_TYPE_VENC; dssdev->owner = THIS_MODULE; + dssdev->of_ports = BIT(1) | BIT(0); - r = omapdss_register_output(dssdev); - if (r) { - dev_err(&pdev->dev, "Failed to register output\n"); - return r; + dssdev->next = omapdss_of_find_connected_device(pdev->dev.of_node, 1); + if (IS_ERR(dssdev->next)) { + if (PTR_ERR(dssdev->next) != -EPROBE_DEFER) + dev_err(&pdev->dev, "failed to find video sink\n"); + return PTR_ERR(dssdev->next); } + omapdss_device_register(dssdev); + return 0; } @@ -223,7 +137,9 @@ static int __exit opa362_remove(struct platform_device *pdev) struct panel_drv_data *ddata = platform_get_drvdata(pdev); struct omap_dss_device *dssdev = &ddata->dssdev; - omapdss_unregister_output(&ddata->dssdev); + if (dssdev->next) + omapdss_device_put(dssdev->next); + omapdss_device_unregister(&ddata->dssdev); WARN_ON(omapdss_device_is_enabled(dssdev)); if (omapdss_device_is_enabled(dssdev)) @@ -231,7 +147,7 @@ static int __exit opa362_remove(struct platform_device *pdev) WARN_ON(omapdss_device_is_connected(dssdev)); if (omapdss_device_is_connected(dssdev)) - opa362_disconnect(dssdev, dssdev->dst); + omapdss_device_disconnect(NULL, dssdev); return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c index ed7ae384c3ed..f1a748353279 100644 --- a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c +++ b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c @@ -13,77 +13,33 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> -#include <linux/of_gpio.h> #include "../dss/omapdss.h" struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; - int pd_gpio; - - struct videomode vm; + struct gpio_desc *pd_gpio; }; #define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev) -static int tfp410_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int tfp410_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; - int r; - - if (omapdss_device_is_connected(dssdev)) - return -EBUSY; - - in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); - if (IS_ERR(in)) { - dev_err(dssdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.dpi->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); - return r; - } - - dst->src = dssdev; - dssdev->dst = dst; - - ddata->in = in; - return 0; + return omapdss_device_connect(dst->dss, dst, dst->next); } -static void tfp410_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void tfp410_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - WARN_ON(!omapdss_device_is_connected(dssdev)); - if (!omapdss_device_is_connected(dssdev)) - return; - - WARN_ON(dst != dssdev->dst); - if (dst != dssdev->dst) - return; - - dst->src = NULL; - dssdev->dst = NULL; - - in->ops.dpi->disconnect(in, &ddata->dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; + omapdss_device_disconnect(dst, dst->next); } static int tfp410_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; if (!omapdss_device_is_connected(dssdev)) @@ -92,14 +48,12 @@ static int tfp410_enable(struct omap_dss_device *dssdev) if (omapdss_device_is_enabled(dssdev)) return 0; - in->ops.dpi->set_timings(in, &ddata->vm); - - r = in->ops.dpi->enable(in); + r = src->ops->enable(src); if (r) return r; - if (gpio_is_valid(ddata->pd_gpio)) - gpio_set_value_cansleep(ddata->pd_gpio, 1); + if (ddata->pd_gpio) + gpiod_set_value_cansleep(ddata->pd_gpio, 0); dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; @@ -109,94 +63,31 @@ static int tfp410_enable(struct omap_dss_device *dssdev) static void tfp410_disable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; if (!omapdss_device_is_enabled(dssdev)) return; - if (gpio_is_valid(ddata->pd_gpio)) - gpio_set_value_cansleep(ddata->pd_gpio, 0); + if (ddata->pd_gpio) + gpiod_set_value_cansleep(ddata->pd_gpio, 0); - in->ops.dpi->disable(in); + src->ops->disable(src); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void tfp410_fix_timings(struct videomode *vm) -{ - vm->flags |= DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE | - DISPLAY_FLAGS_SYNC_POSEDGE; -} - -static void tfp410_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - tfp410_fix_timings(vm); - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.dpi->set_timings(in, vm); -} - -static void tfp410_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - - *vm = ddata->vm; -} - -static int tfp410_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - tfp410_fix_timings(vm); - - return in->ops.dpi->check_timings(in, vm); -} - -static const struct omapdss_dvi_ops tfp410_dvi_ops = { +static const struct omap_dss_device_ops tfp410_ops = { .connect = tfp410_connect, .disconnect = tfp410_disconnect, - .enable = tfp410_enable, .disable = tfp410_disable, - - .check_timings = tfp410_check_timings, - .set_timings = tfp410_set_timings, - .get_timings = tfp410_get_timings, }; -static int tfp410_probe_of(struct platform_device *pdev) -{ - struct panel_drv_data *ddata = platform_get_drvdata(pdev); - struct device_node *node = pdev->dev.of_node; - int gpio; - - gpio = of_get_named_gpio(node, "powerdown-gpios", 0); - - if (gpio_is_valid(gpio) || gpio == -ENOENT) { - ddata->pd_gpio = gpio; - } else { - if (gpio != -EPROBE_DEFER) - dev_err(&pdev->dev, "failed to parse PD gpio\n"); - return gpio; - } - - return 0; -} - static int tfp410_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; struct omap_dss_device *dssdev; - int r; + struct gpio_desc *gpio; ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); if (!ddata) @@ -204,34 +95,34 @@ static int tfp410_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ddata); - r = tfp410_probe_of(pdev); - if (r) - return r; - - if (gpio_is_valid(ddata->pd_gpio)) { - r = devm_gpio_request_one(&pdev->dev, ddata->pd_gpio, - GPIOF_OUT_INIT_LOW, "tfp410 PD"); - if (r) { - dev_err(&pdev->dev, "Failed to request PD GPIO %d\n", - ddata->pd_gpio); - return r; - } + /* Powerdown GPIO */ + gpio = devm_gpiod_get_optional(&pdev->dev, "powerdown", GPIOD_OUT_HIGH); + if (IS_ERR(gpio)) { + dev_err(&pdev->dev, "failed to parse powerdown gpio\n"); + return PTR_ERR(gpio); } + ddata->pd_gpio = gpio; + dssdev = &ddata->dssdev; - dssdev->ops.dvi = &tfp410_dvi_ops; + dssdev->ops = &tfp410_ops; dssdev->dev = &pdev->dev; dssdev->type = OMAP_DISPLAY_TYPE_DPI; dssdev->output_type = OMAP_DISPLAY_TYPE_DVI; dssdev->owner = THIS_MODULE; - dssdev->port_num = 1; - - r = omapdss_register_output(dssdev); - if (r) { - dev_err(&pdev->dev, "Failed to register output\n"); - return r; + dssdev->of_ports = BIT(1) | BIT(0); + dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_SYNC_POSEDGE + | DRM_BUS_FLAG_PIXDATA_POSEDGE; + + dssdev->next = omapdss_of_find_connected_device(pdev->dev.of_node, 1); + if (IS_ERR(dssdev->next)) { + if (PTR_ERR(dssdev->next) != -EPROBE_DEFER) + dev_err(&pdev->dev, "failed to find video sink\n"); + return PTR_ERR(dssdev->next); } + omapdss_device_register(dssdev); + return 0; } @@ -240,7 +131,9 @@ static int __exit tfp410_remove(struct platform_device *pdev) struct panel_drv_data *ddata = platform_get_drvdata(pdev); struct omap_dss_device *dssdev = &ddata->dssdev; - omapdss_unregister_output(&ddata->dssdev); + if (dssdev->next) + omapdss_device_put(dssdev->next); + omapdss_device_unregister(&ddata->dssdev); WARN_ON(omapdss_device_is_enabled(dssdev)); if (omapdss_device_is_enabled(dssdev)) @@ -248,7 +141,7 @@ static int __exit tfp410_remove(struct platform_device *pdev) WARN_ON(omapdss_device_is_connected(dssdev)); if (omapdss_device_is_connected(dssdev)) - tfp410_disconnect(dssdev, dssdev->dst); + omapdss_device_disconnect(NULL, dssdev); return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c index d275bf152da5..94de55fd8884 100644 --- a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c +++ b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c @@ -21,42 +21,26 @@ struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; void (*hpd_cb)(void *cb_data, enum drm_connector_status status); void *hpd_cb_data; - bool hpd_enabled; struct mutex hpd_lock; struct gpio_desc *ct_cp_hpd_gpio; struct gpio_desc *ls_oe_gpio; struct gpio_desc *hpd_gpio; - - struct videomode vm; }; #define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev) -static int tpd_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int tpd_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; + struct panel_drv_data *ddata = to_panel_data(dst); int r; - in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); - if (IS_ERR(in)) { - dev_err(dssdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.hdmi->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); + r = omapdss_device_connect(dst->dss, dst, dst->next); + if (r) return r; - } - - dst->src = dssdev; - dssdev->dst = dst; gpiod_set_value_cansleep(ddata->ct_cp_hpd_gpio, 1); gpiod_set_value_cansleep(ddata->ls_oe_gpio, 1); @@ -64,45 +48,29 @@ static int tpd_connect(struct omap_dss_device *dssdev, /* DC-DC converter needs at max 300us to get to 90% of 5V */ udelay(300); - ddata->in = in; return 0; } -static void tpd_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void tpd_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - WARN_ON(dst != dssdev->dst); - - if (dst != dssdev->dst) - return; + struct panel_drv_data *ddata = to_panel_data(dst); gpiod_set_value_cansleep(ddata->ct_cp_hpd_gpio, 0); gpiod_set_value_cansleep(ddata->ls_oe_gpio, 0); - dst->src = NULL; - dssdev->dst = NULL; - - in->ops.hdmi->disconnect(in, &ddata->dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; + omapdss_device_disconnect(dst, dst->next); } static int tpd_enable(struct omap_dss_device *dssdev) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) return 0; - in->ops.hdmi->set_timings(in, &ddata->vm); - - r = in->ops.hdmi->enable(in); + r = src->ops->enable(src); if (r) return r; @@ -113,76 +81,27 @@ static int tpd_enable(struct omap_dss_device *dssdev) static void tpd_disable(struct omap_dss_device *dssdev) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) return; - in->ops.hdmi->disable(in); + src->ops->disable(src); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void tpd_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.hdmi->set_timings(in, vm); -} - -static void tpd_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - - *vm = ddata->vm; -} - -static int tpd_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - int r; - - r = in->ops.hdmi->check_timings(in, vm); - - return r; -} - -static int tpd_read_edid(struct omap_dss_device *dssdev, - u8 *edid, int len) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (!gpiod_get_value_cansleep(ddata->hpd_gpio)) - return -ENODEV; - - return in->ops.hdmi->read_edid(in, edid, len); -} - static bool tpd_detect(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - bool connected = gpiod_get_value_cansleep(ddata->hpd_gpio); - if (!connected && in->ops.hdmi->lost_hotplug) - in->ops.hdmi->lost_hotplug(in); - return connected; + return gpiod_get_value_cansleep(ddata->hpd_gpio); } -static int tpd_register_hpd_cb(struct omap_dss_device *dssdev, - void (*cb)(void *cb_data, +static void tpd_register_hpd_cb(struct omap_dss_device *dssdev, + void (*cb)(void *cb_data, enum drm_connector_status status), - void *cb_data) + void *cb_data) { struct panel_drv_data *ddata = to_panel_data(dssdev); @@ -190,8 +109,6 @@ static int tpd_register_hpd_cb(struct omap_dss_device *dssdev, ddata->hpd_cb = cb; ddata->hpd_cb_data = cb_data; mutex_unlock(&ddata->hpd_lock); - - return 0; } static void tpd_unregister_hpd_cb(struct omap_dss_device *dssdev) @@ -204,61 +121,14 @@ static void tpd_unregister_hpd_cb(struct omap_dss_device *dssdev) mutex_unlock(&ddata->hpd_lock); } -static void tpd_enable_hpd(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - - mutex_lock(&ddata->hpd_lock); - ddata->hpd_enabled = true; - mutex_unlock(&ddata->hpd_lock); -} - -static void tpd_disable_hpd(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - - mutex_lock(&ddata->hpd_lock); - ddata->hpd_enabled = false; - mutex_unlock(&ddata->hpd_lock); -} - -static int tpd_set_infoframe(struct omap_dss_device *dssdev, - const struct hdmi_avi_infoframe *avi) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.hdmi->set_infoframe(in, avi); -} - -static int tpd_set_hdmi_mode(struct omap_dss_device *dssdev, - bool hdmi_mode) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.hdmi->set_hdmi_mode(in, hdmi_mode); -} - -static const struct omapdss_hdmi_ops tpd_hdmi_ops = { +static const struct omap_dss_device_ops tpd_ops = { .connect = tpd_connect, .disconnect = tpd_disconnect, - .enable = tpd_enable, .disable = tpd_disable, - - .check_timings = tpd_check_timings, - .set_timings = tpd_set_timings, - .get_timings = tpd_get_timings, - - .read_edid = tpd_read_edid, .detect = tpd_detect, .register_hpd_cb = tpd_register_hpd_cb, .unregister_hpd_cb = tpd_unregister_hpd_cb, - .enable_hpd = tpd_enable_hpd, - .disable_hpd = tpd_disable_hpd, - .set_infoframe = tpd_set_infoframe, - .set_hdmi_mode = tpd_set_hdmi_mode, }; static irqreturn_t tpd_hpd_isr(int irq, void *data) @@ -266,7 +136,7 @@ static irqreturn_t tpd_hpd_isr(int irq, void *data) struct panel_drv_data *ddata = data; mutex_lock(&ddata->hpd_lock); - if (ddata->hpd_enabled && ddata->hpd_cb) { + if (ddata->hpd_cb) { enum drm_connector_status status; if (tpd_detect(&ddata->dssdev)) @@ -283,7 +153,7 @@ static irqreturn_t tpd_hpd_isr(int irq, void *data) static int tpd_probe(struct platform_device *pdev) { - struct omap_dss_device *in, *dssdev; + struct omap_dss_device *dssdev; struct panel_drv_data *ddata; int r; struct gpio_desc *gpio; @@ -325,21 +195,24 @@ static int tpd_probe(struct platform_device *pdev) return r; dssdev = &ddata->dssdev; - dssdev->ops.hdmi = &tpd_hdmi_ops; + dssdev->ops = &tpd_ops; dssdev->dev = &pdev->dev; dssdev->type = OMAP_DISPLAY_TYPE_HDMI; dssdev->output_type = OMAP_DISPLAY_TYPE_HDMI; dssdev->owner = THIS_MODULE; - dssdev->port_num = 1; - - in = ddata->in; - - r = omapdss_register_output(dssdev); - if (r) { - dev_err(&pdev->dev, "Failed to register output\n"); - return r; + dssdev->of_ports = BIT(1) | BIT(0); + dssdev->ops_flags = OMAP_DSS_DEVICE_OP_DETECT + | OMAP_DSS_DEVICE_OP_HPD; + + dssdev->next = omapdss_of_find_connected_device(pdev->dev.of_node, 1); + if (IS_ERR(dssdev->next)) { + if (PTR_ERR(dssdev->next) != -EPROBE_DEFER) + dev_err(&pdev->dev, "failed to find video sink\n"); + return PTR_ERR(dssdev->next); } + omapdss_device_register(dssdev); + return 0; } @@ -348,7 +221,9 @@ static int __exit tpd_remove(struct platform_device *pdev) struct panel_drv_data *ddata = platform_get_drvdata(pdev); struct omap_dss_device *dssdev = &ddata->dssdev; - omapdss_unregister_output(&ddata->dssdev); + if (dssdev->next) + omapdss_device_put(dssdev->next); + omapdss_device_unregister(&ddata->dssdev); WARN_ON(omapdss_device_is_enabled(dssdev)); if (omapdss_device_is_enabled(dssdev)) @@ -356,7 +231,7 @@ static int __exit tpd_remove(struct platform_device *pdev) WARN_ON(omapdss_device_is_connected(dssdev)); if (omapdss_device_is_connected(dssdev)) - tpd_disconnect(dssdev, dssdev->dst); + omapdss_device_disconnect(NULL, dssdev); return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c index 6cbf570d6727..1f8161b041be 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c @@ -23,7 +23,6 @@ struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; struct videomode vm; @@ -35,49 +34,21 @@ struct panel_drv_data { #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev) -static int panel_dpi_connect(struct omap_dss_device *dssdev) +static int panel_dpi_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; - int r; - - if (omapdss_device_is_connected(dssdev)) - return 0; - - in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); - if (IS_ERR(in)) { - dev_err(dssdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.dpi->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); - return r; - } - - ddata->in = in; return 0; } -static void panel_dpi_disconnect(struct omap_dss_device *dssdev) +static void panel_dpi_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (!omapdss_device_is_connected(dssdev)) - return; - - in->ops.dpi->disconnect(in, dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; } static int panel_dpi_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; if (!omapdss_device_is_connected(dssdev)) @@ -86,15 +57,13 @@ static int panel_dpi_enable(struct omap_dss_device *dssdev) if (omapdss_device_is_enabled(dssdev)) return 0; - in->ops.dpi->set_timings(in, &ddata->vm); - - r = in->ops.dpi->enable(in); + r = src->ops->enable(src); if (r) return r; r = regulator_enable(ddata->vcc_supply); if (r) { - in->ops.dpi->disable(in); + src->ops->disable(src); return r; } @@ -109,7 +78,7 @@ static int panel_dpi_enable(struct omap_dss_device *dssdev) static void panel_dpi_disable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; if (!omapdss_device_is_enabled(dssdev)) return; @@ -119,23 +88,11 @@ static void panel_dpi_disable(struct omap_dss_device *dssdev) gpiod_set_value_cansleep(ddata->enable_gpio, 0); regulator_disable(ddata->vcc_supply); - in->ops.dpi->disable(in); + src->ops->disable(src); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void panel_dpi_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.dpi->set_timings(in, vm); -} - static void panel_dpi_get_timings(struct omap_dss_device *dssdev, struct videomode *vm) { @@ -144,25 +101,14 @@ static void panel_dpi_get_timings(struct omap_dss_device *dssdev, *vm = ddata->vm; } -static int panel_dpi_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.dpi->check_timings(in, vm); -} - -static struct omap_dss_driver panel_dpi_ops = { +static const struct omap_dss_device_ops panel_dpi_ops = { .connect = panel_dpi_connect, .disconnect = panel_dpi_disconnect, .enable = panel_dpi_enable, .disable = panel_dpi_disable, - .set_timings = panel_dpi_set_timings, .get_timings = panel_dpi_get_timings, - .check_timings = panel_dpi_check_timings, }; static int panel_dpi_probe_of(struct platform_device *pdev) @@ -227,16 +173,13 @@ static int panel_dpi_probe(struct platform_device *pdev) dssdev = &ddata->dssdev; dssdev->dev = &pdev->dev; - dssdev->driver = &panel_dpi_ops; + dssdev->ops = &panel_dpi_ops; dssdev->type = OMAP_DISPLAY_TYPE_DPI; dssdev->owner = THIS_MODULE; - dssdev->panel.vm = ddata->vm; + dssdev->of_ports = BIT(0); - r = omapdss_register_display(dssdev); - if (r) { - dev_err(&pdev->dev, "Failed to register panel\n"); - return r; - } + omapdss_display_init(dssdev); + omapdss_device_register(dssdev); return 0; } @@ -246,10 +189,9 @@ static int __exit panel_dpi_remove(struct platform_device *pdev) struct panel_drv_data *ddata = platform_get_drvdata(pdev); struct omap_dss_device *dssdev = &ddata->dssdev; - omapdss_unregister_display(dssdev); + omapdss_device_unregister(dssdev); panel_dpi_disable(dssdev); - panel_dpi_disconnect(dssdev); return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c index 428de90fced1..29692a5217c5 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c @@ -41,7 +41,6 @@ struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; struct videomode vm; @@ -142,11 +141,11 @@ static void hw_guard_wait(struct panel_drv_data *ddata) static int dsicm_dcs_read_1(struct panel_drv_data *ddata, u8 dcs_cmd, u8 *data) { - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; int r; u8 buf[1]; - r = in->ops.dsi->dcs_read(in, ddata->channel, dcs_cmd, buf, 1); + r = src->ops->dsi.dcs_read(src, ddata->channel, dcs_cmd, buf, 1); if (r < 0) return r; @@ -158,29 +157,30 @@ static int dsicm_dcs_read_1(struct panel_drv_data *ddata, u8 dcs_cmd, u8 *data) static int dsicm_dcs_write_0(struct panel_drv_data *ddata, u8 dcs_cmd) { - struct omap_dss_device *in = ddata->in; - return in->ops.dsi->dcs_write(in, ddata->channel, &dcs_cmd, 1); + struct omap_dss_device *src = ddata->dssdev.src; + + return src->ops->dsi.dcs_write(src, ddata->channel, &dcs_cmd, 1); } static int dsicm_dcs_write_1(struct panel_drv_data *ddata, u8 dcs_cmd, u8 param) { - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; u8 buf[2] = { dcs_cmd, param }; - return in->ops.dsi->dcs_write(in, ddata->channel, buf, 2); + return src->ops->dsi.dcs_write(src, ddata->channel, buf, 2); } static int dsicm_sleep_in(struct panel_drv_data *ddata) { - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; u8 cmd; int r; hw_guard_wait(ddata); cmd = MIPI_DCS_ENTER_SLEEP_MODE; - r = in->ops.dsi->dcs_write_nosync(in, ddata->channel, &cmd, 1); + r = src->ops->dsi.dcs_write_nosync(src, ddata->channel, &cmd, 1); if (r) return r; @@ -228,7 +228,7 @@ static int dsicm_get_id(struct panel_drv_data *ddata, u8 *id1, u8 *id2, u8 *id3) static int dsicm_set_update_window(struct panel_drv_data *ddata, u16 x, u16 y, u16 w, u16 h) { - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; int r; u16 x1 = x; u16 x2 = x + w - 1; @@ -242,7 +242,7 @@ static int dsicm_set_update_window(struct panel_drv_data *ddata, buf[3] = (x2 >> 8) & 0xff; buf[4] = (x2 >> 0) & 0xff; - r = in->ops.dsi->dcs_write_nosync(in, ddata->channel, buf, sizeof(buf)); + r = src->ops->dsi.dcs_write_nosync(src, ddata->channel, buf, sizeof(buf)); if (r) return r; @@ -252,11 +252,11 @@ static int dsicm_set_update_window(struct panel_drv_data *ddata, buf[3] = (y2 >> 8) & 0xff; buf[4] = (y2 >> 0) & 0xff; - r = in->ops.dsi->dcs_write_nosync(in, ddata->channel, buf, sizeof(buf)); + r = src->ops->dsi.dcs_write_nosync(src, ddata->channel, buf, sizeof(buf)); if (r) return r; - in->ops.dsi->bta_sync(in, ddata->channel); + src->ops->dsi.bta_sync(src, ddata->channel); return r; } @@ -275,7 +275,7 @@ static void dsicm_cancel_ulps_work(struct panel_drv_data *ddata) static int dsicm_enter_ulps(struct panel_drv_data *ddata) { - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; int r; if (ddata->ulps_enabled) @@ -290,7 +290,7 @@ static int dsicm_enter_ulps(struct panel_drv_data *ddata) if (ddata->ext_te_gpio) disable_irq(gpiod_to_irq(ddata->ext_te_gpio)); - in->ops.dsi->disable(in, false, true); + src->ops->dsi.disable(src, false, true); ddata->ulps_enabled = true; @@ -309,19 +309,19 @@ err: static int dsicm_exit_ulps(struct panel_drv_data *ddata) { - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; int r; if (!ddata->ulps_enabled) return 0; - r = in->ops.dsi->enable(in); + r = src->ops->enable(src); if (r) { dev_err(&ddata->pdev->dev, "failed to enable DSI\n"); goto err1; } - in->ops.dsi->enable_hs(in, ddata->channel, true); + src->ops->dsi.enable_hs(src, ddata->channel, true); r = _dsicm_enable_te(ddata, true); if (r) { @@ -366,7 +366,7 @@ static int dsicm_wake_up(struct panel_drv_data *ddata) static int dsicm_bl_update_status(struct backlight_device *dev) { struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; int r = 0; int level; @@ -381,13 +381,13 @@ static int dsicm_bl_update_status(struct backlight_device *dev) mutex_lock(&ddata->lock); if (ddata->enabled) { - in->ops.dsi->bus_lock(in); + src->ops->dsi.bus_lock(src); r = dsicm_wake_up(ddata); if (!r) r = dsicm_dcs_write_1(ddata, DCS_BRIGHTNESS, level); - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); } mutex_unlock(&ddata->lock); @@ -414,21 +414,21 @@ static ssize_t dsicm_num_errors_show(struct device *dev, { struct platform_device *pdev = to_platform_device(dev); struct panel_drv_data *ddata = platform_get_drvdata(pdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; u8 errors = 0; int r; mutex_lock(&ddata->lock); if (ddata->enabled) { - in->ops.dsi->bus_lock(in); + src->ops->dsi.bus_lock(src); r = dsicm_wake_up(ddata); if (!r) r = dsicm_dcs_read_1(ddata, DCS_READ_NUM_ERRORS, &errors); - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); } else { r = -ENODEV; } @@ -446,20 +446,20 @@ static ssize_t dsicm_hw_revision_show(struct device *dev, { struct platform_device *pdev = to_platform_device(dev); struct panel_drv_data *ddata = platform_get_drvdata(pdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; u8 id1, id2, id3; int r; mutex_lock(&ddata->lock); if (ddata->enabled) { - in->ops.dsi->bus_lock(in); + src->ops->dsi.bus_lock(src); r = dsicm_wake_up(ddata); if (!r) r = dsicm_get_id(ddata, &id1, &id2, &id3); - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); } else { r = -ENODEV; } @@ -478,7 +478,7 @@ static ssize_t dsicm_store_ulps(struct device *dev, { struct platform_device *pdev = to_platform_device(dev); struct panel_drv_data *ddata = platform_get_drvdata(pdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; unsigned long t; int r; @@ -489,14 +489,14 @@ static ssize_t dsicm_store_ulps(struct device *dev, mutex_lock(&ddata->lock); if (ddata->enabled) { - in->ops.dsi->bus_lock(in); + src->ops->dsi.bus_lock(src); if (t) r = dsicm_enter_ulps(ddata); else r = dsicm_wake_up(ddata); - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); } mutex_unlock(&ddata->lock); @@ -528,7 +528,7 @@ static ssize_t dsicm_store_ulps_timeout(struct device *dev, { struct platform_device *pdev = to_platform_device(dev); struct panel_drv_data *ddata = platform_get_drvdata(pdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; unsigned long t; int r; @@ -541,9 +541,9 @@ static ssize_t dsicm_store_ulps_timeout(struct device *dev, if (ddata->enabled) { /* dsicm_wake_up will restart the timer */ - in->ops.dsi->bus_lock(in); + src->ops->dsi.bus_lock(src); r = dsicm_wake_up(ddata); - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); } mutex_unlock(&ddata->lock); @@ -603,7 +603,7 @@ static void dsicm_hw_reset(struct panel_drv_data *ddata) static int dsicm_power_on(struct panel_drv_data *ddata) { - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; u8 id1, id2, id3; int r; struct omap_dss_dsi_config dsi_config = { @@ -635,7 +635,7 @@ static int dsicm_power_on(struct panel_drv_data *ddata) } if (ddata->pin_config.num_pins > 0) { - r = in->ops.dsi->configure_pins(in, &ddata->pin_config); + r = src->ops->dsi.configure_pins(src, &ddata->pin_config); if (r) { dev_err(&ddata->pdev->dev, "failed to configure DSI pins\n"); @@ -643,13 +643,13 @@ static int dsicm_power_on(struct panel_drv_data *ddata) } } - r = in->ops.dsi->set_config(in, &dsi_config); + r = src->ops->dsi.set_config(src, &dsi_config); if (r) { dev_err(&ddata->pdev->dev, "failed to configure DSI\n"); goto err_vddi; } - r = in->ops.dsi->enable(in); + r = src->ops->enable(src); if (r) { dev_err(&ddata->pdev->dev, "failed to enable DSI\n"); goto err_vddi; @@ -657,7 +657,7 @@ static int dsicm_power_on(struct panel_drv_data *ddata) dsicm_hw_reset(ddata); - in->ops.dsi->enable_hs(in, ddata->channel, false); + src->ops->dsi.enable_hs(src, ddata->channel, false); r = dsicm_sleep_out(ddata); if (r) @@ -689,7 +689,7 @@ static int dsicm_power_on(struct panel_drv_data *ddata) if (r) goto err; - r = in->ops.dsi->enable_video_output(in, ddata->channel); + r = src->ops->dsi.enable_video_output(src, ddata->channel); if (r) goto err; @@ -701,7 +701,7 @@ static int dsicm_power_on(struct panel_drv_data *ddata) ddata->intro_printed = true; } - in->ops.dsi->enable_hs(in, ddata->channel, true); + src->ops->dsi.enable_hs(src, ddata->channel, true); return 0; err: @@ -709,7 +709,7 @@ err: dsicm_hw_reset(ddata); - in->ops.dsi->disable(in, true, false); + src->ops->dsi.disable(src, true, false); err_vddi: if (ddata->vddi) regulator_disable(ddata->vddi); @@ -722,10 +722,10 @@ err_vpnl: static void dsicm_power_off(struct panel_drv_data *ddata) { - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; int r; - in->ops.dsi->disable_video_output(in, ddata->channel); + src->ops->dsi.disable_video_output(src, ddata->channel); r = dsicm_dcs_write_0(ddata, MIPI_DCS_SET_DISPLAY_OFF); if (!r) @@ -737,7 +737,7 @@ static void dsicm_power_off(struct panel_drv_data *ddata) dsicm_hw_reset(ddata); } - in->ops.dsi->disable(in, true, false); + src->ops->dsi.disable(src, true, false); if (ddata->vddi) regulator_disable(ddata->vddi); @@ -756,71 +756,41 @@ static int dsicm_panel_reset(struct panel_drv_data *ddata) return dsicm_power_on(ddata); } -static int dsicm_connect(struct omap_dss_device *dssdev) +static int dsicm_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); + struct panel_drv_data *ddata = to_panel_data(dst); struct device *dev = &ddata->pdev->dev; - struct omap_dss_device *in; int r; - if (omapdss_device_is_connected(dssdev)) - return 0; - - in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); - if (IS_ERR(in)) { - dev_err(dssdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.dsi->connect(in, dssdev); - if (r) { - dev_err(dev, "Failed to connect to video source\n"); - goto err_connect; - } - - r = in->ops.dsi->request_vc(in, &ddata->channel); + r = src->ops->dsi.request_vc(src, &ddata->channel); if (r) { dev_err(dev, "failed to get virtual channel\n"); - goto err_req_vc; + return r; } - r = in->ops.dsi->set_vc_id(in, ddata->channel, TCH); + r = src->ops->dsi.set_vc_id(src, ddata->channel, TCH); if (r) { dev_err(dev, "failed to set VC_ID\n"); - goto err_vc_id; + src->ops->dsi.release_vc(src, ddata->channel); + return r; } - ddata->in = in; return 0; - -err_vc_id: - in->ops.dsi->release_vc(in, ddata->channel); -err_req_vc: - in->ops.dsi->disconnect(in, dssdev); -err_connect: - omap_dss_put_device(in); - return r; } -static void dsicm_disconnect(struct omap_dss_device *dssdev) +static void dsicm_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (!omapdss_device_is_connected(dssdev)) - return; - - in->ops.dsi->release_vc(in, ddata->channel); - in->ops.dsi->disconnect(in, dssdev); + struct panel_drv_data *ddata = to_panel_data(dst); - omap_dss_put_device(in); - ddata->in = NULL; + src->ops->dsi.release_vc(src, ddata->channel); } static int dsicm_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; dev_dbg(&ddata->pdev->dev, "enable\n"); @@ -837,11 +807,11 @@ static int dsicm_enable(struct omap_dss_device *dssdev) goto err; } - in->ops.dsi->bus_lock(in); + src->ops->dsi.bus_lock(src); r = dsicm_power_on(ddata); - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); if (r) goto err; @@ -862,7 +832,7 @@ err: static void dsicm_disable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; dev_dbg(&ddata->pdev->dev, "disable\n"); @@ -873,7 +843,7 @@ static void dsicm_disable(struct omap_dss_device *dssdev) dsicm_cancel_ulps_work(ddata); - in->ops.dsi->bus_lock(in); + src->ops->dsi.bus_lock(src); if (omapdss_device_is_enabled(dssdev)) { r = dsicm_wake_up(ddata); @@ -881,7 +851,7 @@ static void dsicm_disable(struct omap_dss_device *dssdev) dsicm_power_off(ddata); } - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; @@ -891,16 +861,16 @@ static void dsicm_disable(struct omap_dss_device *dssdev) static void dsicm_framedone_cb(int err, void *data) { struct panel_drv_data *ddata = data; - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; dev_dbg(&ddata->pdev->dev, "framedone, err %d\n", err); - in->ops.dsi->bus_unlock(ddata->in); + src->ops->dsi.bus_unlock(src); } static irqreturn_t dsicm_te_isr(int irq, void *data) { struct panel_drv_data *ddata = data; - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; int old; int r; @@ -909,7 +879,7 @@ static irqreturn_t dsicm_te_isr(int irq, void *data) if (old) { cancel_delayed_work(&ddata->te_timeout_work); - r = in->ops.dsi->update(in, ddata->channel, dsicm_framedone_cb, + r = src->ops->dsi.update(src, ddata->channel, dsicm_framedone_cb, ddata); if (r) goto err; @@ -918,7 +888,7 @@ static irqreturn_t dsicm_te_isr(int irq, void *data) return IRQ_HANDLED; err: dev_err(&ddata->pdev->dev, "start update failed\n"); - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); return IRQ_HANDLED; } @@ -926,25 +896,25 @@ static void dsicm_te_timeout_work_callback(struct work_struct *work) { struct panel_drv_data *ddata = container_of(work, struct panel_drv_data, te_timeout_work.work); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; dev_err(&ddata->pdev->dev, "TE not received for 250ms!\n"); atomic_set(&ddata->do_update, 0); - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); } static int dsicm_update(struct omap_dss_device *dssdev, u16 x, u16 y, u16 w, u16 h) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; dev_dbg(&ddata->pdev->dev, "update %d, %d, %d x %d\n", x, y, w, h); mutex_lock(&ddata->lock); - in->ops.dsi->bus_lock(in); + src->ops->dsi.bus_lock(src); r = dsicm_wake_up(ddata); if (r) @@ -956,9 +926,8 @@ static int dsicm_update(struct omap_dss_device *dssdev, } /* XXX no need to send this every frame, but dsi break if not done */ - r = dsicm_set_update_window(ddata, 0, 0, - dssdev->panel.vm.hactive, - dssdev->panel.vm.vactive); + r = dsicm_set_update_window(ddata, 0, 0, ddata->vm.hactive, + ddata->vm.vactive); if (r) goto err; @@ -967,17 +936,17 @@ static int dsicm_update(struct omap_dss_device *dssdev, msecs_to_jiffies(250)); atomic_set(&ddata->do_update, 1); } else { - r = in->ops.dsi->update(in, ddata->channel, dsicm_framedone_cb, + r = src->ops->dsi.update(src, ddata->channel, dsicm_framedone_cb, ddata); if (r) goto err; } - /* note: no bus_unlock here. unlock is in framedone_cb */ + /* note: no bus_unlock here. unlock is src framedone_cb */ mutex_unlock(&ddata->lock); return 0; err: - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); mutex_unlock(&ddata->lock); return r; } @@ -985,13 +954,13 @@ err: static int dsicm_sync(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; dev_dbg(&ddata->pdev->dev, "sync\n"); mutex_lock(&ddata->lock); - in->ops.dsi->bus_lock(in); - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_lock(src); + src->ops->dsi.bus_unlock(src); mutex_unlock(&ddata->lock); dev_dbg(&ddata->pdev->dev, "sync done\n"); @@ -1001,7 +970,7 @@ static int dsicm_sync(struct omap_dss_device *dssdev) static int _dsicm_enable_te(struct panel_drv_data *ddata, bool enable) { - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = ddata->dssdev.src; int r; if (enable) @@ -1010,7 +979,7 @@ static int _dsicm_enable_te(struct panel_drv_data *ddata, bool enable) r = dsicm_dcs_write_0(ddata, MIPI_DCS_SET_TEAR_OFF); if (!ddata->ext_te_gpio) - in->ops.dsi->enable_te(in, enable); + src->ops->dsi.enable_te(src, enable); /* possible panel bug */ msleep(100); @@ -1021,7 +990,7 @@ static int _dsicm_enable_te(struct panel_drv_data *ddata, bool enable) static int dsicm_enable_te(struct omap_dss_device *dssdev, bool enable) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; mutex_lock(&ddata->lock); @@ -1029,7 +998,7 @@ static int dsicm_enable_te(struct omap_dss_device *dssdev, bool enable) if (ddata->te_enabled == enable) goto end; - in->ops.dsi->bus_lock(in); + src->ops->dsi.bus_lock(src); if (ddata->enabled) { r = dsicm_wake_up(ddata); @@ -1043,13 +1012,13 @@ static int dsicm_enable_te(struct omap_dss_device *dssdev, bool enable) ddata->te_enabled = enable; - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); end: mutex_unlock(&ddata->lock); return 0; err: - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); mutex_unlock(&ddata->lock); return r; @@ -1072,7 +1041,7 @@ static int dsicm_memory_read(struct omap_dss_device *dssdev, u16 x, u16 y, u16 w, u16 h) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; int first = 1; int plen; @@ -1089,9 +1058,9 @@ static int dsicm_memory_read(struct omap_dss_device *dssdev, } size = min((u32)w * h * 3, - dssdev->panel.vm.hactive * dssdev->panel.vm.vactive * 3); + ddata->vm.hactive * ddata->vm.vactive * 3); - in->ops.dsi->bus_lock(in); + src->ops->dsi.bus_lock(src); r = dsicm_wake_up(ddata); if (r) @@ -1107,7 +1076,7 @@ static int dsicm_memory_read(struct omap_dss_device *dssdev, dsicm_set_update_window(ddata, x, y, w, h); - r = in->ops.dsi->set_max_rx_packet_size(in, ddata->channel, plen); + r = src->ops->dsi.set_max_rx_packet_size(src, ddata->channel, plen); if (r) goto err2; @@ -1115,7 +1084,7 @@ static int dsicm_memory_read(struct omap_dss_device *dssdev, u8 dcs_cmd = first ? 0x2e : 0x3e; first = 0; - r = in->ops.dsi->dcs_read(in, ddata->channel, dcs_cmd, + r = src->ops->dsi.dcs_read(src, ddata->channel, dcs_cmd, buf + buf_used, size - buf_used); if (r < 0) { @@ -1141,9 +1110,9 @@ static int dsicm_memory_read(struct omap_dss_device *dssdev, r = buf_used; err3: - in->ops.dsi->set_max_rx_packet_size(in, ddata->channel, 1); + src->ops->dsi.set_max_rx_packet_size(src, ddata->channel, 1); err2: - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); err1: mutex_unlock(&ddata->lock); return r; @@ -1154,7 +1123,7 @@ static void dsicm_ulps_work(struct work_struct *work) struct panel_drv_data *ddata = container_of(work, struct panel_drv_data, ulps_work.work); struct omap_dss_device *dssdev = &ddata->dssdev; - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; mutex_lock(&ddata->lock); @@ -1163,11 +1132,11 @@ static void dsicm_ulps_work(struct work_struct *work) return; } - in->ops.dsi->bus_lock(in); + src->ops->dsi.bus_lock(src); dsicm_enter_ulps(ddata); - in->ops.dsi->bus_unlock(in); + src->ops->dsi.bus_unlock(src); mutex_unlock(&ddata->lock); } @@ -1210,18 +1179,21 @@ static void dsicm_get_size(struct omap_dss_device *dssdev, *height = ddata->height_mm; } -static struct omap_dss_driver dsicm_ops = { +static const struct omap_dss_device_ops dsicm_ops = { .connect = dsicm_connect, .disconnect = dsicm_disconnect, .enable = dsicm_enable, .disable = dsicm_disable, + .get_timings = dsicm_get_timings, + .check_timings = dsicm_check_timings, +}; + +static const struct omap_dss_driver dsicm_dss_driver = { .update = dsicm_update, .sync = dsicm_sync, - .get_timings = dsicm_get_timings, - .check_timings = dsicm_check_timings, .get_size = dsicm_get_size, .enable_te = dsicm_enable_te, @@ -1330,20 +1302,17 @@ static int dsicm_probe(struct platform_device *pdev) dssdev = &ddata->dssdev; dssdev->dev = dev; - dssdev->driver = &dsicm_ops; - dssdev->panel.vm = ddata->vm; + dssdev->ops = &dsicm_ops; + dssdev->driver = &dsicm_dss_driver; dssdev->type = OMAP_DISPLAY_TYPE_DSI; dssdev->owner = THIS_MODULE; + dssdev->of_ports = BIT(0); - dssdev->panel.dsi_pix_fmt = OMAP_DSS_DSI_FMT_RGB888; dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE | OMAP_DSS_DISPLAY_CAP_TEAR_ELIM; - r = omapdss_register_display(dssdev); - if (r) { - dev_err(dev, "Failed to register panel\n"); - goto err_reg; - } + omapdss_display_init(dssdev); + omapdss_device_register(dssdev); mutex_init(&ddata->lock); @@ -1414,10 +1383,10 @@ static int __exit dsicm_remove(struct platform_device *pdev) dev_dbg(&pdev->dev, "remove\n"); - omapdss_unregister_display(dssdev); + omapdss_device_unregister(dssdev); dsicm_disable(dssdev); - dsicm_disconnect(dssdev); + omapdss_device_disconnect(dssdev->src, dssdev); sysfs_remove_group(&pdev->dev.kobj, &dsicm_attr_group); diff --git a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c index 754197099440..f6ef8ff964dd 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c @@ -33,19 +33,11 @@ static const struct videomode lb035q02_vm = { .vfront_porch = 4, .vback_porch = 18, - .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | - DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_NEGEDGE | - DISPLAY_FLAGS_PIXDATA_POSEDGE, - /* - * Note: According to the panel documentation: - * DE is active LOW - * DATA needs to be driven on the FALLING edge - */ + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW, }; struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; struct spi_device *spi; @@ -116,51 +108,25 @@ static void init_lb035q02_panel(struct spi_device *spi) lb035q02_write_reg(spi, 0x3b, 0x0806); } -static int lb035q02_connect(struct omap_dss_device *dssdev) +static int lb035q02_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; - int r; - - if (omapdss_device_is_connected(dssdev)) - return 0; - - in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); - if (IS_ERR(in)) { - dev_err(dssdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.dpi->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); - return r; - } + struct panel_drv_data *ddata = to_panel_data(dst); init_lb035q02_panel(ddata->spi); - ddata->in = in; return 0; } -static void lb035q02_disconnect(struct omap_dss_device *dssdev) +static void lb035q02_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (!omapdss_device_is_connected(dssdev)) - return; - - in->ops.dpi->disconnect(in, dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; } static int lb035q02_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; if (!omapdss_device_is_connected(dssdev)) @@ -169,9 +135,7 @@ static int lb035q02_enable(struct omap_dss_device *dssdev) if (omapdss_device_is_enabled(dssdev)) return 0; - in->ops.dpi->set_timings(in, &ddata->vm); - - r = in->ops.dpi->enable(in); + r = src->ops->enable(src); if (r) return r; @@ -186,7 +150,7 @@ static int lb035q02_enable(struct omap_dss_device *dssdev) static void lb035q02_disable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; if (!omapdss_device_is_enabled(dssdev)) return; @@ -194,23 +158,11 @@ static void lb035q02_disable(struct omap_dss_device *dssdev) if (ddata->enable_gpio) gpiod_set_value_cansleep(ddata->enable_gpio, 0); - in->ops.dpi->disable(in); + src->ops->disable(src); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void lb035q02_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.dpi->set_timings(in, vm); -} - static void lb035q02_get_timings(struct omap_dss_device *dssdev, struct videomode *vm) { @@ -219,25 +171,14 @@ static void lb035q02_get_timings(struct omap_dss_device *dssdev, *vm = ddata->vm; } -static int lb035q02_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.dpi->check_timings(in, vm); -} - -static struct omap_dss_driver lb035q02_ops = { +static const struct omap_dss_device_ops lb035q02_ops = { .connect = lb035q02_connect, .disconnect = lb035q02_disconnect, .enable = lb035q02_enable, .disable = lb035q02_disable, - .set_timings = lb035q02_set_timings, .get_timings = lb035q02_get_timings, - .check_timings = lb035q02_check_timings, }; static int lb035q02_probe_of(struct spi_device *spi) @@ -278,16 +219,21 @@ static int lb035q02_panel_spi_probe(struct spi_device *spi) dssdev = &ddata->dssdev; dssdev->dev = &spi->dev; - dssdev->driver = &lb035q02_ops; + dssdev->ops = &lb035q02_ops; dssdev->type = OMAP_DISPLAY_TYPE_DPI; dssdev->owner = THIS_MODULE; - dssdev->panel.vm = ddata->vm; + dssdev->of_ports = BIT(0); - r = omapdss_register_display(dssdev); - if (r) { - dev_err(&spi->dev, "Failed to register panel\n"); - return r; - } + /* + * Note: According to the panel documentation: + * DE is active LOW + * DATA needs to be driven on the FALLING edge + */ + dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_SYNC_NEGEDGE + | DRM_BUS_FLAG_PIXDATA_POSEDGE; + + omapdss_display_init(dssdev); + omapdss_device_register(dssdev); return 0; } @@ -297,10 +243,9 @@ static int lb035q02_panel_spi_remove(struct spi_device *spi) struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); struct omap_dss_device *dssdev = &ddata->dssdev; - omapdss_unregister_display(dssdev); + omapdss_device_unregister(dssdev); lb035q02_disable(dssdev); - lb035q02_disconnect(dssdev); return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c index 9a3b27fa5cb5..f445de6369f7 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c @@ -11,22 +11,19 @@ * (at your option) any later version. */ -#include <linux/module.h> #include <linux/delay.h> -#include <linux/spi/spi.h> #include <linux/gpio/consumer.h> -#include <linux/of_gpio.h> +#include <linux/module.h> +#include <linux/spi/spi.h> #include "../dss/omapdss.h" struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; struct videomode vm; - int res_gpio; - int qvga_gpio; + struct gpio_desc *res_gpio; struct spi_device *spi; }; @@ -74,9 +71,7 @@ static const struct videomode nec_8048_panel_vm = { .vsync_len = 1, .vback_porch = 4, - .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | - DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_POSEDGE | - DISPLAY_FLAGS_PIXDATA_POSEDGE, + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW, }; #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev) @@ -112,49 +107,21 @@ static int init_nec_8048_wvga_lcd(struct spi_device *spi) return 0; } -static int nec_8048_connect(struct omap_dss_device *dssdev) +static int nec_8048_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; - int r; - - if (omapdss_device_is_connected(dssdev)) - return 0; - - in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); - if (IS_ERR(in)) { - dev_err(dssdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.dpi->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); - return r; - } - - ddata->in = in; return 0; } -static void nec_8048_disconnect(struct omap_dss_device *dssdev) +static void nec_8048_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (!omapdss_device_is_connected(dssdev)) - return; - - in->ops.dpi->disconnect(in, dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; } static int nec_8048_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; if (!omapdss_device_is_connected(dssdev)) @@ -163,14 +130,11 @@ static int nec_8048_enable(struct omap_dss_device *dssdev) if (omapdss_device_is_enabled(dssdev)) return 0; - in->ops.dpi->set_timings(in, &ddata->vm); - - r = in->ops.dpi->enable(in); + r = src->ops->enable(src); if (r) return r; - if (gpio_is_valid(ddata->res_gpio)) - gpio_set_value_cansleep(ddata->res_gpio, 1); + gpiod_set_value_cansleep(ddata->res_gpio, 1); dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; @@ -180,31 +144,18 @@ static int nec_8048_enable(struct omap_dss_device *dssdev) static void nec_8048_disable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; if (!omapdss_device_is_enabled(dssdev)) return; - if (gpio_is_valid(ddata->res_gpio)) - gpio_set_value_cansleep(ddata->res_gpio, 0); + gpiod_set_value_cansleep(ddata->res_gpio, 0); - in->ops.dpi->disable(in); + src->ops->disable(src); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void nec_8048_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.dpi->set_timings(in, vm); -} - static void nec_8048_get_timings(struct omap_dss_device *dssdev, struct videomode *vm) { @@ -213,50 +164,21 @@ static void nec_8048_get_timings(struct omap_dss_device *dssdev, *vm = ddata->vm; } -static int nec_8048_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.dpi->check_timings(in, vm); -} - -static struct omap_dss_driver nec_8048_ops = { +static const struct omap_dss_device_ops nec_8048_ops = { .connect = nec_8048_connect, .disconnect = nec_8048_disconnect, .enable = nec_8048_enable, .disable = nec_8048_disable, - .set_timings = nec_8048_set_timings, .get_timings = nec_8048_get_timings, - .check_timings = nec_8048_check_timings, }; -static int nec_8048_probe_of(struct spi_device *spi) -{ - struct device_node *node = spi->dev.of_node; - struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); - int gpio; - - gpio = of_get_named_gpio(node, "reset-gpios", 0); - if (!gpio_is_valid(gpio)) { - dev_err(&spi->dev, "failed to parse enable gpio\n"); - return gpio; - } - ddata->res_gpio = gpio; - - /* XXX the panel spec doesn't mention any QVGA pin?? */ - ddata->qvga_gpio = -ENOENT; - - return 0; -} - static int nec_8048_probe(struct spi_device *spi) { struct panel_drv_data *ddata; struct omap_dss_device *dssdev; + struct gpio_desc *gpio; int r; dev_dbg(&spi->dev, "%s\n", __func__); @@ -280,38 +202,27 @@ static int nec_8048_probe(struct spi_device *spi) ddata->spi = spi; - r = nec_8048_probe_of(spi); - if (r) - return r; - - if (gpio_is_valid(ddata->qvga_gpio)) { - r = devm_gpio_request_one(&spi->dev, ddata->qvga_gpio, - GPIOF_OUT_INIT_HIGH, "lcd QVGA"); - if (r) - return r; + gpio = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(gpio)) { + dev_err(&spi->dev, "failed to get reset gpio\n"); + return PTR_ERR(gpio); } - if (gpio_is_valid(ddata->res_gpio)) { - r = devm_gpio_request_one(&spi->dev, ddata->res_gpio, - GPIOF_OUT_INIT_LOW, "lcd RES"); - if (r) - return r; - } + ddata->res_gpio = gpio; ddata->vm = nec_8048_panel_vm; dssdev = &ddata->dssdev; dssdev->dev = &spi->dev; - dssdev->driver = &nec_8048_ops; + dssdev->ops = &nec_8048_ops; dssdev->type = OMAP_DISPLAY_TYPE_DPI; dssdev->owner = THIS_MODULE; - dssdev->panel.vm = ddata->vm; + dssdev->of_ports = BIT(0); + dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_SYNC_POSEDGE + | DRM_BUS_FLAG_PIXDATA_POSEDGE; - r = omapdss_register_display(dssdev); - if (r) { - dev_err(&spi->dev, "Failed to register panel\n"); - return r; - } + omapdss_display_init(dssdev); + omapdss_device_register(dssdev); return 0; } @@ -323,10 +234,9 @@ static int nec_8048_remove(struct spi_device *spi) dev_dbg(&ddata->spi->dev, "%s\n", __func__); - omapdss_unregister_display(dssdev); + omapdss_device_unregister(dssdev); nec_8048_disable(dssdev); - nec_8048_disconnect(dssdev); return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c index bb5b680cabfe..64b1369cb274 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c @@ -21,7 +21,6 @@ struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; struct regulator *vcc; struct videomode vm; @@ -47,60 +46,26 @@ static const struct videomode sharp_ls_vm = { .vfront_porch = 1, .vback_porch = 1, - .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | - DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_NEGEDGE | - DISPLAY_FLAGS_PIXDATA_POSEDGE, - /* - * Note: According to the panel documentation: - * DATA needs to be driven on the FALLING edge - */ + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW, }; #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev) -static int sharp_ls_connect(struct omap_dss_device *dssdev) +static int sharp_ls_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; - int r; - - if (omapdss_device_is_connected(dssdev)) - return 0; - - in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); - if (IS_ERR(in)) { - dev_err(dssdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.dpi->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); - return r; - } - - ddata->in = in; return 0; } -static void sharp_ls_disconnect(struct omap_dss_device *dssdev) +static void sharp_ls_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (!omapdss_device_is_connected(dssdev)) - return; - - in->ops.dpi->disconnect(in, dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; } static int sharp_ls_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; if (!omapdss_device_is_connected(dssdev)) @@ -109,15 +74,13 @@ static int sharp_ls_enable(struct omap_dss_device *dssdev) if (omapdss_device_is_enabled(dssdev)) return 0; - in->ops.dpi->set_timings(in, &ddata->vm); - if (ddata->vcc) { r = regulator_enable(ddata->vcc); if (r != 0) return r; } - r = in->ops.dpi->enable(in); + r = src->ops->enable(src); if (r) { regulator_disable(ddata->vcc); return r; @@ -140,7 +103,7 @@ static int sharp_ls_enable(struct omap_dss_device *dssdev) static void sharp_ls_disable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; if (!omapdss_device_is_enabled(dssdev)) return; @@ -155,7 +118,7 @@ static void sharp_ls_disable(struct omap_dss_device *dssdev) msleep(100); - in->ops.dpi->disable(in); + src->ops->disable(src); if (ddata->vcc) regulator_disable(ddata->vcc); @@ -163,18 +126,6 @@ static void sharp_ls_disable(struct omap_dss_device *dssdev) dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void sharp_ls_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.dpi->set_timings(in, vm); -} - static void sharp_ls_get_timings(struct omap_dss_device *dssdev, struct videomode *vm) { @@ -183,25 +134,14 @@ static void sharp_ls_get_timings(struct omap_dss_device *dssdev, *vm = ddata->vm; } -static int sharp_ls_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.dpi->check_timings(in, vm); -} - -static struct omap_dss_driver sharp_ls_ops = { +static const struct omap_dss_device_ops sharp_ls_ops = { .connect = sharp_ls_connect, .disconnect = sharp_ls_disconnect, .enable = sharp_ls_enable, .disable = sharp_ls_disable, - .set_timings = sharp_ls_set_timings, .get_timings = sharp_ls_get_timings, - .check_timings = sharp_ls_check_timings, }; static int sharp_ls_get_gpio_of(struct device *dev, int index, int val, @@ -278,16 +218,20 @@ static int sharp_ls_probe(struct platform_device *pdev) dssdev = &ddata->dssdev; dssdev->dev = &pdev->dev; - dssdev->driver = &sharp_ls_ops; + dssdev->ops = &sharp_ls_ops; dssdev->type = OMAP_DISPLAY_TYPE_DPI; dssdev->owner = THIS_MODULE; - dssdev->panel.vm = ddata->vm; + dssdev->of_ports = BIT(0); - r = omapdss_register_display(dssdev); - if (r) { - dev_err(&pdev->dev, "Failed to register panel\n"); - return r; - } + /* + * Note: According to the panel documentation: + * DATA needs to be driven on the FALLING edge + */ + dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_SYNC_NEGEDGE + | DRM_BUS_FLAG_PIXDATA_POSEDGE; + + omapdss_display_init(dssdev); + omapdss_device_register(dssdev); return 0; } @@ -297,10 +241,9 @@ static int __exit sharp_ls_remove(struct platform_device *pdev) struct panel_drv_data *ddata = platform_get_drvdata(pdev); struct omap_dss_device *dssdev = &ddata->dssdev; - omapdss_unregister_display(dssdev); + omapdss_device_unregister(dssdev); sharp_ls_disable(dssdev); - sharp_ls_disconnect(dssdev); return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c b/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c index f34c06bb5bd7..e04663856b31 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c @@ -20,17 +20,15 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/backlight.h> +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/jiffies.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/spi/spi.h> -#include <linux/jiffies.h> #include <linux/sched.h> -#include <linux/backlight.h> -#include <linux/gpio/consumer.h> -#include <linux/of.h> -#include <linux/of_gpio.h> +#include <linux/spi/spi.h> #include "../dss/omapdss.h" @@ -64,9 +62,8 @@ struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; - int reset_gpio; + struct gpio_desc *reset_gpio; struct videomode vm; @@ -100,9 +97,7 @@ static const struct videomode acx565akm_panel_vm = { .vsync_len = 3, .vback_porch = 4, - .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | - DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_NEGEDGE | - DISPLAY_FLAGS_PIXDATA_POSEDGE, + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW, }; #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev) @@ -507,56 +502,26 @@ static const struct attribute_group bldev_attr_group = { .attrs = bldev_attrs, }; -static int acx565akm_connect(struct omap_dss_device *dssdev) +static int acx565akm_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; - int r; - - if (omapdss_device_is_connected(dssdev)) - return 0; - - in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); - if (IS_ERR(in)) { - dev_err(dssdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.sdi->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); - return r; - } - - ddata->in = in; return 0; } -static void acx565akm_disconnect(struct omap_dss_device *dssdev) +static void acx565akm_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (!omapdss_device_is_connected(dssdev)) - return; - - in->ops.sdi->disconnect(in, dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; } static int acx565akm_panel_power_on(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; dev_dbg(&ddata->spi->dev, "%s\n", __func__); - in->ops.sdi->set_timings(in, &ddata->vm); - - r = in->ops.sdi->enable(in); + r = src->ops->enable(src); if (r) { pr_err("%s sdi enable failed\n", __func__); return r; @@ -565,8 +530,8 @@ static int acx565akm_panel_power_on(struct omap_dss_device *dssdev) /*FIXME tweak me */ msleep(50); - if (gpio_is_valid(ddata->reset_gpio)) - gpio_set_value(ddata->reset_gpio, 1); + if (ddata->reset_gpio) + gpiod_set_value(ddata->reset_gpio, 1); if (ddata->enabled) { dev_dbg(&ddata->spi->dev, "panel already enabled\n"); @@ -597,7 +562,7 @@ static int acx565akm_panel_power_on(struct omap_dss_device *dssdev) static void acx565akm_panel_power_off(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; dev_dbg(dssdev->dev, "%s\n", __func__); @@ -615,13 +580,13 @@ static void acx565akm_panel_power_off(struct omap_dss_device *dssdev) */ msleep(50); - if (gpio_is_valid(ddata->reset_gpio)) - gpio_set_value(ddata->reset_gpio, 0); + if (ddata->reset_gpio) + gpiod_set_value(ddata->reset_gpio, 0); /* FIXME need to tweak this delay */ msleep(100); - in->ops.sdi->disable(in); + src->ops->disable(src); } static int acx565akm_enable(struct omap_dss_device *dssdev) @@ -664,18 +629,6 @@ static void acx565akm_disable(struct omap_dss_device *dssdev) dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void acx565akm_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.sdi->set_timings(in, vm); -} - static void acx565akm_get_timings(struct omap_dss_device *dssdev, struct videomode *vm) { @@ -684,37 +637,16 @@ static void acx565akm_get_timings(struct omap_dss_device *dssdev, *vm = ddata->vm; } -static int acx565akm_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.sdi->check_timings(in, vm); -} - -static struct omap_dss_driver acx565akm_ops = { +static const struct omap_dss_device_ops acx565akm_ops = { .connect = acx565akm_connect, .disconnect = acx565akm_disconnect, .enable = acx565akm_enable, .disable = acx565akm_disable, - .set_timings = acx565akm_set_timings, .get_timings = acx565akm_get_timings, - .check_timings = acx565akm_check_timings, }; -static int acx565akm_probe_of(struct spi_device *spi) -{ - struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); - struct device_node *np = spi->dev.of_node; - - ddata->reset_gpio = of_get_named_gpio(np, "reset-gpios", 0); - - return 0; -} - static int acx565akm_probe(struct spi_device *spi) { struct panel_drv_data *ddata; @@ -722,6 +654,7 @@ static int acx565akm_probe(struct spi_device *spi) struct backlight_device *bldev; int max_brightness, brightness; struct backlight_properties props; + struct gpio_desc *gpio; int r; dev_dbg(&spi->dev, "%s\n", __func__); @@ -738,19 +671,16 @@ static int acx565akm_probe(struct spi_device *spi) mutex_init(&ddata->mutex); - r = acx565akm_probe_of(spi); - if (r) - return r; - - if (gpio_is_valid(ddata->reset_gpio)) { - r = devm_gpio_request_one(&spi->dev, ddata->reset_gpio, - GPIOF_OUT_INIT_LOW, "lcd reset"); - if (r) - goto err_gpio; + gpio = devm_gpiod_get_optional(&spi->dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(gpio)) { + dev_err(&spi->dev, "failed to parse reset gpio\n"); + return PTR_ERR(gpio); } - if (gpio_is_valid(ddata->reset_gpio)) - gpio_set_value(ddata->reset_gpio, 1); + ddata->reset_gpio = gpio; + + if (ddata->reset_gpio) + gpiod_set_value(ddata->reset_gpio, 1); /* * After reset we have to wait 5 msec before the first @@ -762,12 +692,12 @@ static int acx565akm_probe(struct spi_device *spi) r = panel_detect(ddata); - if (!ddata->enabled && gpio_is_valid(ddata->reset_gpio)) - gpio_set_value(ddata->reset_gpio, 0); + if (!ddata->enabled && ddata->reset_gpio) + gpiod_set_value(ddata->reset_gpio, 0); if (r) { dev_err(&spi->dev, "%s panel detect error\n", __func__); - goto err_detect; + return r; } memset(&props, 0, sizeof(props)); @@ -777,17 +707,15 @@ static int acx565akm_probe(struct spi_device *spi) bldev = backlight_device_register("acx565akm", &ddata->spi->dev, ddata, &acx565akm_bl_ops, &props); - if (IS_ERR(bldev)) { - r = PTR_ERR(bldev); - goto err_reg_bl; - } + if (IS_ERR(bldev)) + return PTR_ERR(bldev); ddata->bl_dev = bldev; if (ddata->has_cabc) { r = sysfs_create_group(&bldev->dev.kobj, &bldev_attr_group); if (r) { dev_err(&bldev->dev, "%s failed to create sysfs files\n", __func__); - goto err_sysfs; + goto err_backlight_unregister; } ddata->cabc_mode = get_hw_cabc_mode(ddata); } @@ -809,26 +737,20 @@ static int acx565akm_probe(struct spi_device *spi) dssdev = &ddata->dssdev; dssdev->dev = &spi->dev; - dssdev->driver = &acx565akm_ops; + dssdev->ops = &acx565akm_ops; dssdev->type = OMAP_DISPLAY_TYPE_SDI; dssdev->owner = THIS_MODULE; - dssdev->panel.vm = ddata->vm; + dssdev->of_ports = BIT(0); + dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_SYNC_NEGEDGE + | DRM_BUS_FLAG_PIXDATA_POSEDGE; - r = omapdss_register_display(dssdev); - if (r) { - dev_err(&spi->dev, "Failed to register panel\n"); - goto err_reg; - } + omapdss_display_init(dssdev); + omapdss_device_register(dssdev); return 0; -err_reg: - sysfs_remove_group(&bldev->dev.kobj, &bldev_attr_group); -err_sysfs: +err_backlight_unregister: backlight_device_unregister(bldev); -err_reg_bl: -err_detect: -err_gpio: return r; } @@ -842,10 +764,9 @@ static int acx565akm_remove(struct spi_device *spi) sysfs_remove_group(&ddata->bl_dev->dev.kobj, &bldev_attr_group); backlight_device_unregister(ddata->bl_dev); - omapdss_unregister_display(dssdev); + omapdss_device_unregister(dssdev); acx565akm_disable(dssdev); - acx565akm_disconnect(dssdev); return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c index a1f1dc18407a..7ddc8c574a61 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c @@ -27,13 +27,11 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/spi/spi.h> -#include <linux/gpio.h> #include "../dss/omapdss.h" struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; struct videomode vm; @@ -51,13 +49,7 @@ static const struct videomode td028ttec1_panel_vm = { .vsync_len = 2, .vback_porch = 2, - .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | - DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_POSEDGE | - DISPLAY_FLAGS_PIXDATA_NEGEDGE, - /* - * Note: According to the panel documentation: - * SYNC needs to be driven on the FALLING edge - */ + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW, }; #define JBT_COMMAND 0x000 @@ -166,49 +158,21 @@ enum jbt_register { #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev) -static int td028ttec1_panel_connect(struct omap_dss_device *dssdev) +static int td028ttec1_panel_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; - int r; - - if (omapdss_device_is_connected(dssdev)) - return 0; - - in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); - if (IS_ERR(in)) { - dev_err(dssdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.dpi->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); - return r; - } - - ddata->in = in; return 0; } -static void td028ttec1_panel_disconnect(struct omap_dss_device *dssdev) +static void td028ttec1_panel_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (!omapdss_device_is_connected(dssdev)) - return; - - in->ops.dpi->disconnect(in, dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; } static int td028ttec1_panel_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; if (!omapdss_device_is_connected(dssdev)) @@ -217,9 +181,7 @@ static int td028ttec1_panel_enable(struct omap_dss_device *dssdev) if (omapdss_device_is_enabled(dssdev)) return 0; - in->ops.dpi->set_timings(in, &ddata->vm); - - r = in->ops.dpi->enable(in); + r = src->ops->enable(src); if (r) return r; @@ -316,7 +278,7 @@ transfer_err: static void td028ttec1_panel_disable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; if (!omapdss_device_is_enabled(dssdev)) return; @@ -328,23 +290,11 @@ static void td028ttec1_panel_disable(struct omap_dss_device *dssdev) jbt_ret_write_0(ddata, JBT_REG_SLEEP_IN); jbt_reg_write_1(ddata, JBT_REG_POWER_ON_OFF, 0x00); - in->ops.dpi->disable(in); + src->ops->disable(src); dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void td028ttec1_panel_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.dpi->set_timings(in, vm); -} - static void td028ttec1_panel_get_timings(struct omap_dss_device *dssdev, struct videomode *vm) { @@ -353,25 +303,14 @@ static void td028ttec1_panel_get_timings(struct omap_dss_device *dssdev, *vm = ddata->vm; } -static int td028ttec1_panel_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.dpi->check_timings(in, vm); -} - -static struct omap_dss_driver td028ttec1_ops = { +static const struct omap_dss_device_ops td028ttec1_ops = { .connect = td028ttec1_panel_connect, .disconnect = td028ttec1_panel_disconnect, .enable = td028ttec1_panel_enable, .disable = td028ttec1_panel_disable, - .set_timings = td028ttec1_panel_set_timings, .get_timings = td028ttec1_panel_get_timings, - .check_timings = td028ttec1_panel_check_timings, }; static int td028ttec1_panel_probe(struct spi_device *spi) @@ -403,16 +342,20 @@ static int td028ttec1_panel_probe(struct spi_device *spi) dssdev = &ddata->dssdev; dssdev->dev = &spi->dev; - dssdev->driver = &td028ttec1_ops; + dssdev->ops = &td028ttec1_ops; dssdev->type = OMAP_DISPLAY_TYPE_DPI; dssdev->owner = THIS_MODULE; - dssdev->panel.vm = ddata->vm; + dssdev->of_ports = BIT(0); - r = omapdss_register_display(dssdev); - if (r) { - dev_err(&spi->dev, "Failed to register panel\n"); - return r; - } + /* + * Note: According to the panel documentation: + * SYNC needs to be driven on the FALLING edge + */ + dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_SYNC_POSEDGE + | DRM_BUS_FLAG_PIXDATA_NEGEDGE; + + omapdss_display_init(dssdev); + omapdss_device_register(dssdev); return 0; } @@ -424,10 +367,9 @@ static int td028ttec1_panel_remove(struct spi_device *spi) dev_dbg(&ddata->spi_dev->dev, "%s\n", __func__); - omapdss_unregister_display(dssdev); + omapdss_device_unregister(dssdev); td028ttec1_panel_disable(dssdev); - td028ttec1_panel_disconnect(dssdev); return 0; } diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c index c08e22b43447..8440fcb744d9 100644 --- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c +++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c @@ -10,14 +10,13 @@ * (at your option) any later version. */ -#include <linux/module.h> #include <linux/delay.h> -#include <linux/spi/spi.h> -#include <linux/regulator/consumer.h> -#include <linux/gpio/consumer.h> #include <linux/err.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/regulator/consumer.h> #include <linux/slab.h> -#include <linux/of_gpio.h> +#include <linux/spi/spi.h> #include "../dss/omapdss.h" @@ -54,16 +53,14 @@ static const u16 tpo_td043_def_gamma[12] = { struct panel_drv_data { struct omap_dss_device dssdev; - struct omap_dss_device *in; struct videomode vm; struct spi_device *spi; struct regulator *vcc_reg; - int nreset_gpio; + struct gpio_desc *reset_gpio; u16 gamma[12]; u32 mode; - u32 hmirror:1; u32 vmirror:1; u32 powered_on:1; u32 spi_suspended:1; @@ -84,13 +81,7 @@ static const struct videomode tpo_td043_vm = { .vfront_porch = 39, .vback_porch = 34, - .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | - DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_POSEDGE | - DISPLAY_FLAGS_PIXDATA_NEGEDGE, - /* - * Note: According to the panel documentation: - * SYNC needs to be driven on the FALLING edge - */ + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW, }; #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev) @@ -152,22 +143,6 @@ static int tpo_td043_write_mirror(struct spi_device *spi, bool h, bool v) return tpo_td043_write(spi, 4, reg4); } -static int tpo_td043_set_hmirror(struct omap_dss_device *dssdev, bool enable) -{ - struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev); - - ddata->hmirror = enable; - return tpo_td043_write_mirror(ddata->spi, ddata->hmirror, - ddata->vmirror); -} - -static bool tpo_td043_get_hmirror(struct omap_dss_device *dssdev) -{ - struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev); - - return ddata->hmirror; -} - static ssize_t tpo_td043_vmirror_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -189,7 +164,7 @@ static ssize_t tpo_td043_vmirror_store(struct device *dev, val = !!val; - ret = tpo_td043_write_mirror(ddata->spi, ddata->hmirror, val); + ret = tpo_td043_write_mirror(ddata->spi, false, val); if (ret < 0) return ret; @@ -300,16 +275,14 @@ static int tpo_td043_power_on(struct panel_drv_data *ddata) /* wait for panel to stabilize */ msleep(160); - if (gpio_is_valid(ddata->nreset_gpio)) - gpio_set_value(ddata->nreset_gpio, 1); + gpiod_set_value(ddata->reset_gpio, 0); tpo_td043_write(ddata->spi, 2, TPO_R02_MODE(ddata->mode) | TPO_R02_NCLK_RISING); tpo_td043_write(ddata->spi, 3, TPO_R03_VAL_NORMAL); tpo_td043_write(ddata->spi, 0x20, 0xf0); tpo_td043_write(ddata->spi, 0x21, 0xf0); - tpo_td043_write_mirror(ddata->spi, ddata->hmirror, - ddata->vmirror); + tpo_td043_write_mirror(ddata->spi, false, ddata->vmirror); tpo_td043_write_gamma(ddata->spi, ddata->gamma); ddata->powered_on = 1; @@ -324,8 +297,7 @@ static void tpo_td043_power_off(struct panel_drv_data *ddata) tpo_td043_write(ddata->spi, 3, TPO_R03_VAL_STANDBY | TPO_R03_EN_PWM); - if (gpio_is_valid(ddata->nreset_gpio)) - gpio_set_value(ddata->nreset_gpio, 0); + gpiod_set_value(ddata->reset_gpio, 1); /* wait for at least 2 vsyncs before cutting off power */ msleep(50); @@ -337,49 +309,21 @@ static void tpo_td043_power_off(struct panel_drv_data *ddata) ddata->powered_on = 0; } -static int tpo_td043_connect(struct omap_dss_device *dssdev) +static int tpo_td043_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in; - int r; - - if (omapdss_device_is_connected(dssdev)) - return 0; - - in = omapdss_of_find_source_for_first_ep(dssdev->dev->of_node); - if (IS_ERR(in)) { - dev_err(dssdev->dev, "failed to find video source\n"); - return PTR_ERR(in); - } - - r = in->ops.dpi->connect(in, dssdev); - if (r) { - omap_dss_put_device(in); - return r; - } - - ddata->in = in; return 0; } -static void tpo_td043_disconnect(struct omap_dss_device *dssdev) +static void tpo_td043_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - if (!omapdss_device_is_connected(dssdev)) - return; - - in->ops.dpi->disconnect(in, dssdev); - - omap_dss_put_device(in); - ddata->in = NULL; } static int tpo_td043_enable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; int r; if (!omapdss_device_is_connected(dssdev)) @@ -388,9 +332,7 @@ static int tpo_td043_enable(struct omap_dss_device *dssdev) if (omapdss_device_is_enabled(dssdev)) return 0; - in->ops.dpi->set_timings(in, &ddata->vm); - - r = in->ops.dpi->enable(in); + r = src->ops->enable(src); if (r) return r; @@ -401,7 +343,7 @@ static int tpo_td043_enable(struct omap_dss_device *dssdev) if (!ddata->spi_suspended) { r = tpo_td043_power_on(ddata); if (r) { - in->ops.dpi->disable(in); + src->ops->disable(src); return r; } } @@ -414,12 +356,12 @@ static int tpo_td043_enable(struct omap_dss_device *dssdev) static void tpo_td043_disable(struct omap_dss_device *dssdev) { struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; + struct omap_dss_device *src = dssdev->src; if (!omapdss_device_is_enabled(dssdev)) return; - in->ops.dpi->disable(in); + src->ops->disable(src); if (!ddata->spi_suspended) tpo_td043_power_off(ddata); @@ -427,18 +369,6 @@ static void tpo_td043_disable(struct omap_dss_device *dssdev) dssdev->state = OMAP_DSS_DISPLAY_DISABLED; } -static void tpo_td043_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - ddata->vm = *vm; - dssdev->panel.vm = *vm; - - in->ops.dpi->set_timings(in, vm); -} - static void tpo_td043_get_timings(struct omap_dss_device *dssdev, struct videomode *vm) { @@ -447,50 +377,21 @@ static void tpo_td043_get_timings(struct omap_dss_device *dssdev, *vm = ddata->vm; } -static int tpo_td043_check_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct panel_drv_data *ddata = to_panel_data(dssdev); - struct omap_dss_device *in = ddata->in; - - return in->ops.dpi->check_timings(in, vm); -} - -static struct omap_dss_driver tpo_td043_ops = { +static const struct omap_dss_device_ops tpo_td043_ops = { .connect = tpo_td043_connect, .disconnect = tpo_td043_disconnect, .enable = tpo_td043_enable, .disable = tpo_td043_disable, - .set_timings = tpo_td043_set_timings, .get_timings = tpo_td043_get_timings, - .check_timings = tpo_td043_check_timings, - - .set_mirror = tpo_td043_set_hmirror, - .get_mirror = tpo_td043_get_hmirror, }; -static int tpo_td043_probe_of(struct spi_device *spi) -{ - struct device_node *node = spi->dev.of_node; - struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); - int gpio; - - gpio = of_get_named_gpio(node, "reset-gpios", 0); - if (!gpio_is_valid(gpio)) { - dev_err(&spi->dev, "failed to parse enable gpio\n"); - return gpio; - } - ddata->nreset_gpio = gpio; - - return 0; -} - static int tpo_td043_probe(struct spi_device *spi) { struct panel_drv_data *ddata; struct omap_dss_device *dssdev; + struct gpio_desc *gpio; int r; dev_dbg(&spi->dev, "%s\n", __func__); @@ -512,59 +413,49 @@ static int tpo_td043_probe(struct spi_device *spi) ddata->spi = spi; - r = tpo_td043_probe_of(spi); - if (r) - return r; - ddata->mode = TPO_R02_MODE_800x480; memcpy(ddata->gamma, tpo_td043_def_gamma, sizeof(ddata->gamma)); ddata->vcc_reg = devm_regulator_get(&spi->dev, "vcc"); if (IS_ERR(ddata->vcc_reg)) { dev_err(&spi->dev, "failed to get LCD VCC regulator\n"); - r = PTR_ERR(ddata->vcc_reg); - goto err_regulator; + return PTR_ERR(ddata->vcc_reg); } - if (gpio_is_valid(ddata->nreset_gpio)) { - r = devm_gpio_request_one(&spi->dev, - ddata->nreset_gpio, GPIOF_OUT_INIT_LOW, - "lcd reset"); - if (r < 0) { - dev_err(&spi->dev, "couldn't request reset GPIO\n"); - goto err_gpio_req; - } + gpio = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(gpio)) { + dev_err(&spi->dev, "failed to get reset gpio\n"); + return PTR_ERR(gpio); } + ddata->reset_gpio = gpio; + r = sysfs_create_group(&spi->dev.kobj, &tpo_td043_attr_group); if (r) { dev_err(&spi->dev, "failed to create sysfs files\n"); - goto err_sysfs; + return r; } ddata->vm = tpo_td043_vm; dssdev = &ddata->dssdev; dssdev->dev = &spi->dev; - dssdev->driver = &tpo_td043_ops; + dssdev->ops = &tpo_td043_ops; dssdev->type = OMAP_DISPLAY_TYPE_DPI; dssdev->owner = THIS_MODULE; - dssdev->panel.vm = ddata->vm; + dssdev->of_ports = BIT(0); - r = omapdss_register_display(dssdev); - if (r) { - dev_err(&spi->dev, "Failed to register panel\n"); - goto err_reg; - } + /* + * Note: According to the panel documentation: + * SYNC needs to be driven on the FALLING edge + */ + dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_SYNC_POSEDGE + | DRM_BUS_FLAG_PIXDATA_NEGEDGE; - return 0; + omapdss_display_init(dssdev); + omapdss_device_register(dssdev); -err_reg: - sysfs_remove_group(&spi->dev.kobj, &tpo_td043_attr_group); -err_sysfs: -err_gpio_req: -err_regulator: - return r; + return 0; } static int tpo_td043_remove(struct spi_device *spi) @@ -574,10 +465,9 @@ static int tpo_td043_remove(struct spi_device *spi) dev_dbg(&ddata->spi->dev, "%s\n", __func__); - omapdss_unregister_display(dssdev); + omapdss_device_unregister(dssdev); tpo_td043_disable(dssdev); - tpo_td043_disconnect(dssdev); sysfs_remove_group(&spi->dev.kobj, &tpo_td043_attr_group); diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c index 99e8cb8dc65b..472f56e3de70 100644 --- a/drivers/gpu/drm/omapdrm/dss/base.c +++ b/drivers/gpu/drm/omapdrm/dss/base.c @@ -14,24 +14,17 @@ */ #include <linux/kernel.h> +#include <linux/list.h> #include <linux/module.h> +#include <linux/mutex.h> #include <linux/of.h> #include <linux/of_graph.h> -#include <linux/list.h> #include "dss.h" #include "omapdss.h" static struct dss_device *dss_device; -static struct list_head omapdss_comp_list; - -struct omapdss_comp_node { - struct list_head list; - struct device_node *node; - bool dss_core_component; -}; - struct dss_device *omapdss_get_dss(void) { return dss_device; @@ -56,6 +49,208 @@ const struct dispc_ops *dispc_get_ops(struct dss_device *dss) } EXPORT_SYMBOL(dispc_get_ops); + +/* ----------------------------------------------------------------------------- + * OMAP DSS Devices Handling + */ + +static LIST_HEAD(omapdss_devices_list); +static DEFINE_MUTEX(omapdss_devices_lock); + +void omapdss_device_register(struct omap_dss_device *dssdev) +{ + mutex_lock(&omapdss_devices_lock); + list_add_tail(&dssdev->list, &omapdss_devices_list); + mutex_unlock(&omapdss_devices_lock); +} +EXPORT_SYMBOL_GPL(omapdss_device_register); + +void omapdss_device_unregister(struct omap_dss_device *dssdev) +{ + mutex_lock(&omapdss_devices_lock); + list_del(&dssdev->list); + mutex_unlock(&omapdss_devices_lock); +} +EXPORT_SYMBOL_GPL(omapdss_device_unregister); + +static bool omapdss_device_is_registered(struct device_node *node) +{ + struct omap_dss_device *dssdev; + bool found = false; + + mutex_lock(&omapdss_devices_lock); + + list_for_each_entry(dssdev, &omapdss_devices_list, list) { + if (dssdev->dev->of_node == node) { + found = true; + break; + } + } + + mutex_unlock(&omapdss_devices_lock); + return found; +} + +struct omap_dss_device *omapdss_device_get(struct omap_dss_device *dssdev) +{ + if (!try_module_get(dssdev->owner)) + return NULL; + + if (get_device(dssdev->dev) == NULL) { + module_put(dssdev->owner); + return NULL; + } + + return dssdev; +} +EXPORT_SYMBOL(omapdss_device_get); + +void omapdss_device_put(struct omap_dss_device *dssdev) +{ + put_device(dssdev->dev); + module_put(dssdev->owner); +} +EXPORT_SYMBOL(omapdss_device_put); + +struct omap_dss_device *omapdss_find_device_by_port(struct device_node *src, + unsigned int port) +{ + struct omap_dss_device *dssdev; + + list_for_each_entry(dssdev, &omapdss_devices_list, list) { + if (dssdev->dev->of_node == src && dssdev->of_ports & BIT(port)) + return omapdss_device_get(dssdev); + } + + return NULL; +} + +/* + * Search for the next device starting at @from. The type argument specfies + * which device types to consider when searching. Searching for multiple types + * is supported by and'ing their type flags. Release the reference to the @from + * device, and acquire a reference to the returned device if found. + */ +struct omap_dss_device *omapdss_device_get_next(struct omap_dss_device *from, + enum omap_dss_device_type type) +{ + struct omap_dss_device *dssdev; + struct list_head *list; + + mutex_lock(&omapdss_devices_lock); + + if (list_empty(&omapdss_devices_list)) { + dssdev = NULL; + goto done; + } + + /* + * Start from the from entry if given or from omapdss_devices_list + * otherwise. + */ + list = from ? &from->list : &omapdss_devices_list; + + list_for_each_entry(dssdev, list, list) { + /* + * Stop if we reach the omapdss_devices_list, that's the end of + * the list. + */ + if (&dssdev->list == &omapdss_devices_list) { + dssdev = NULL; + goto done; + } + + /* + * Accept display entities if the display type is requested, + * and output entities if the output type is requested. + */ + if ((type & OMAP_DSS_DEVICE_TYPE_DISPLAY) && + !dssdev->output_type) + goto done; + if ((type & OMAP_DSS_DEVICE_TYPE_OUTPUT) && dssdev->id && + dssdev->next) + goto done; + } + + dssdev = NULL; + +done: + if (from) + omapdss_device_put(from); + if (dssdev) + omapdss_device_get(dssdev); + + mutex_unlock(&omapdss_devices_lock); + return dssdev; +} +EXPORT_SYMBOL(omapdss_device_get_next); + +int omapdss_device_connect(struct dss_device *dss, + struct omap_dss_device *src, + struct omap_dss_device *dst) +{ + int ret; + + dev_dbg(dst->dev, "connect\n"); + + if (omapdss_device_is_connected(dst)) + return -EBUSY; + + dst->dss = dss; + + ret = dst->ops->connect(src, dst); + if (ret < 0) { + dst->dss = NULL; + return ret; + } + + if (src) { + WARN_ON(src->dst); + dst->src = src; + src->dst = dst; + } + + return 0; +} +EXPORT_SYMBOL_GPL(omapdss_device_connect); + +void omapdss_device_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) +{ + dev_dbg(dst->dev, "disconnect\n"); + + if (!dst->id && !omapdss_device_is_connected(dst)) { + WARN_ON(dst->output_type); + return; + } + + if (src) { + if (WARN_ON(dst != src->dst)) + return; + + dst->src = NULL; + src->dst = NULL; + } + + WARN_ON(dst->state != OMAP_DSS_DISPLAY_DISABLED); + + dst->ops->disconnect(src, dst); + dst->dss = NULL; +} +EXPORT_SYMBOL_GPL(omapdss_device_disconnect); + +/* ----------------------------------------------------------------------------- + * Components Handling + */ + +static struct list_head omapdss_comp_list; + +struct omapdss_comp_node { + struct list_head list; + struct device_node *node; + bool dss_core_component; +}; + static bool omapdss_list_contains(const struct device_node *node) { struct omapdss_comp_node *comp; @@ -130,9 +325,7 @@ static bool omapdss_component_is_loaded(struct omapdss_comp_node *comp) { if (comp->dss_core_component) return true; - if (omapdss_component_is_display(comp->node)) - return true; - if (omapdss_component_is_output(comp->node)) + if (omapdss_device_is_registered(comp->node)) return true; return false; diff --git a/drivers/gpu/drm/omapdrm/dss/core.c b/drivers/gpu/drm/omapdrm/dss/core.c index 07d00a186f15..a2edabc9f6b3 100644 --- a/drivers/gpu/drm/omapdrm/dss/core.c +++ b/drivers/gpu/drm/omapdrm/dss/core.c @@ -45,36 +45,14 @@ static struct platform_driver * const omap_dss_drivers[] = { #endif }; -static struct platform_device *omap_drm_device; - static int __init omap_dss_init(void) { - int r; - - r = platform_register_drivers(omap_dss_drivers, - ARRAY_SIZE(omap_dss_drivers)); - if (r) - goto err_reg; - - omap_drm_device = platform_device_register_simple("omapdrm", 0, NULL, 0); - if (IS_ERR(omap_drm_device)) { - r = PTR_ERR(omap_drm_device); - goto err_reg; - } - - return 0; - -err_reg: - platform_unregister_drivers(omap_dss_drivers, - ARRAY_SIZE(omap_dss_drivers)); - - return r; + return platform_register_drivers(omap_dss_drivers, + ARRAY_SIZE(omap_dss_drivers)); } static void __exit omap_dss_exit(void) { - platform_device_unregister(omap_drm_device); - platform_unregister_drivers(omap_dss_drivers, ARRAY_SIZE(omap_dss_drivers)); } diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index 84f274c4a4cb..e61a9592a650 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -2904,13 +2904,6 @@ static int dispc_ovl_enable(struct dispc_device *dispc, return 0; } -static enum omap_dss_output_id -dispc_mgr_get_supported_outputs(struct dispc_device *dispc, - enum omap_channel channel) -{ - return dss_get_supported_outputs(dispc->dss, channel); -} - static void dispc_lcd_enable_signal_polarity(struct dispc_device *dispc, bool act_high) { @@ -3120,28 +3113,29 @@ static bool _dispc_mgr_pclk_ok(struct dispc_device *dispc, return pclk <= dispc->feat->max_tv_pclk; } -bool dispc_mgr_timings_ok(struct dispc_device *dispc, enum omap_channel channel, - const struct videomode *vm) +static int dispc_mgr_check_timings(struct dispc_device *dispc, + enum omap_channel channel, + const struct videomode *vm) { if (!_dispc_mgr_size_ok(dispc, vm->hactive, vm->vactive)) - return false; + return MODE_BAD; if (!_dispc_mgr_pclk_ok(dispc, channel, vm->pixelclock)) - return false; + return MODE_BAD; if (dss_mgr_is_lcd(channel)) { /* TODO: OMAP4+ supports interlace for LCD outputs */ if (vm->flags & DISPLAY_FLAGS_INTERLACED) - return false; + return MODE_BAD; if (!_dispc_lcd_timings_ok(dispc, vm->hsync_len, vm->hfront_porch, vm->hback_porch, vm->vsync_len, vm->vfront_porch, vm->vback_porch)) - return false; + return MODE_BAD; } - return true; + return MODE_OK; } static void _dispc_mgr_set_lcd_timings(struct dispc_device *dispc, @@ -3243,7 +3237,7 @@ static void dispc_mgr_set_timings(struct dispc_device *dispc, DSSDBG("channel %d xres %u yres %u\n", channel, t.hactive, t.vactive); - if (!dispc_mgr_timings_ok(dispc, channel, &t)) { + if (dispc_mgr_check_timings(dispc, channel, &t)) { BUG(); return; } @@ -4740,9 +4734,9 @@ static const struct dispc_ops dispc_ops = { .mgr_go_busy = dispc_mgr_go_busy, .mgr_go = dispc_mgr_go, .mgr_set_lcd_config = dispc_mgr_set_lcd_config, + .mgr_check_timings = dispc_mgr_check_timings, .mgr_set_timings = dispc_mgr_set_timings, .mgr_setup = dispc_mgr_setup, - .mgr_get_supported_outputs = dispc_mgr_get_supported_outputs, .mgr_gamma_size = dispc_mgr_gamma_size, .mgr_set_gamma = dispc_mgr_set_gamma, diff --git a/drivers/gpu/drm/omapdrm/dss/display.c b/drivers/gpu/drm/omapdrm/dss/display.c index 9e7fcbd57e52..34b2a4ef63a4 100644 --- a/drivers/gpu/drm/omapdrm/dss/display.c +++ b/drivers/gpu/drm/omapdrm/dss/display.c @@ -21,27 +21,14 @@ #define DSS_SUBSYS_NAME "DISPLAY" #include <linux/kernel.h> -#include <linux/module.h> -#include <linux/jiffies.h> -#include <linux/platform_device.h> #include <linux/of.h> #include "omapdss.h" -static void omapdss_default_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - *vm = dssdev->panel.vm; -} - -static LIST_HEAD(panel_list); -static DEFINE_MUTEX(panel_list_mutex); static int disp_num_counter; -int omapdss_register_display(struct omap_dss_device *dssdev) +void omapdss_display_init(struct omap_dss_device *dssdev) { - struct omap_dss_driver *drv = dssdev->driver; - struct list_head *cur; int id; /* @@ -52,123 +39,22 @@ int omapdss_register_display(struct omap_dss_device *dssdev) if (id < 0) id = disp_num_counter++; - snprintf(dssdev->alias, sizeof(dssdev->alias), "display%d", id); + dssdev->alias_id = id; /* Use 'label' property for name, if it exists */ of_property_read_string(dssdev->dev->of_node, "label", &dssdev->name); if (dssdev->name == NULL) - dssdev->name = dssdev->alias; - - if (drv && drv->get_timings == NULL) - drv->get_timings = omapdss_default_get_timings; - - mutex_lock(&panel_list_mutex); - list_for_each(cur, &panel_list) { - struct omap_dss_device *ldev = list_entry(cur, - struct omap_dss_device, - panel_list); - if (strcmp(ldev->alias, dssdev->alias) > 0) - break; - } - list_add_tail(&dssdev->panel_list, cur); - mutex_unlock(&panel_list_mutex); - return 0; -} -EXPORT_SYMBOL(omapdss_register_display); - -void omapdss_unregister_display(struct omap_dss_device *dssdev) -{ - mutex_lock(&panel_list_mutex); - list_del(&dssdev->panel_list); - mutex_unlock(&panel_list_mutex); + dssdev->name = devm_kasprintf(dssdev->dev, GFP_KERNEL, + "display%u", id); } -EXPORT_SYMBOL(omapdss_unregister_display); +EXPORT_SYMBOL_GPL(omapdss_display_init); -bool omapdss_component_is_display(struct device_node *node) +struct omap_dss_device *omapdss_display_get(struct omap_dss_device *output) { - struct omap_dss_device *dssdev; - bool found = false; - - mutex_lock(&panel_list_mutex); - list_for_each_entry(dssdev, &panel_list, panel_list) { - if (dssdev->dev->of_node == node) { - found = true; - goto out; - } - } -out: - mutex_unlock(&panel_list_mutex); - return found; -} -EXPORT_SYMBOL(omapdss_component_is_display); - -struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev) -{ - if (!try_module_get(dssdev->owner)) - return NULL; - - if (get_device(dssdev->dev) == NULL) { - module_put(dssdev->owner); - return NULL; - } - - return dssdev; -} -EXPORT_SYMBOL(omap_dss_get_device); - -void omap_dss_put_device(struct omap_dss_device *dssdev) -{ - put_device(dssdev->dev); - module_put(dssdev->owner); -} -EXPORT_SYMBOL(omap_dss_put_device); - -/* - * ref count of the found device is incremented. - * ref count of from-device is decremented. - */ -struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from) -{ - struct list_head *l; - struct omap_dss_device *dssdev; - - mutex_lock(&panel_list_mutex); - - if (list_empty(&panel_list)) { - dssdev = NULL; - goto out; - } - - if (from == NULL) { - dssdev = list_first_entry(&panel_list, struct omap_dss_device, - panel_list); - omap_dss_get_device(dssdev); - goto out; - } - - omap_dss_put_device(from); - - list_for_each(l, &panel_list) { - dssdev = list_entry(l, struct omap_dss_device, panel_list); - if (dssdev == from) { - if (list_is_last(l, &panel_list)) { - dssdev = NULL; - goto out; - } - - dssdev = list_entry(l->next, struct omap_dss_device, - panel_list); - omap_dss_get_device(dssdev); - goto out; - } - } - - WARN(1, "'from' dssdev not found\n"); + while (output->next) + output = output->next; - dssdev = NULL; -out: - mutex_unlock(&panel_list_mutex); - return dssdev; + return omapdss_device_get(output); } -EXPORT_SYMBOL(omap_dss_get_next_device); +EXPORT_SYMBOL_GPL(omapdss_display_get); diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c index 9fcc50217133..ca4f3c4c6318 100644 --- a/drivers/gpu/drm/omapdrm/dss/dpi.c +++ b/drivers/gpu/drm/omapdrm/dss/dpi.c @@ -39,6 +39,7 @@ struct dpi_data { struct platform_device *pdev; enum dss_model dss_model; struct dss_device *dss; + unsigned int id; struct regulator *vdds_dsi_reg; enum dss_clk_source clk_src; @@ -346,10 +347,9 @@ static int dpi_set_dispc_clk(struct dpi_data *dpi, unsigned long pck_req, static int dpi_set_mode(struct dpi_data *dpi) { - struct videomode *vm = &dpi->vm; + const struct videomode *vm = &dpi->vm; int lck_div = 0, pck_div = 0; unsigned long fck = 0; - unsigned long pck; int r = 0; if (dpi->pll) @@ -361,17 +361,6 @@ static int dpi_set_mode(struct dpi_data *dpi) if (r) return r; - pck = fck / lck_div / pck_div; - - if (pck != vm->pixelclock) { - DSSWARN("Could not find exact pixel clock. Requested %lu Hz, got %lu Hz\n", - vm->pixelclock, pck); - - vm->pixelclock = pck; - } - - dss_mgr_set_timings(&dpi->output, vm); - return 0; } @@ -413,7 +402,7 @@ static int dpi_display_enable(struct omap_dss_device *dssdev) if (r) goto err_get_dispc; - r = dss_dpi_select_source(dpi->dss, out->port_num, out->dispc_channel); + r = dss_dpi_select_source(dpi->dss, dpi->id, out->dispc_channel); if (r) goto err_src_sel; @@ -478,7 +467,7 @@ static void dpi_display_disable(struct omap_dss_device *dssdev) } static void dpi_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) + const struct videomode *vm) { struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); @@ -491,23 +480,10 @@ static void dpi_set_timings(struct omap_dss_device *dssdev, mutex_unlock(&dpi->lock); } -static void dpi_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); - - mutex_lock(&dpi->lock); - - *vm = dpi->vm; - - mutex_unlock(&dpi->lock); -} - static int dpi_check_timings(struct omap_dss_device *dssdev, struct videomode *vm) { struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); - enum omap_channel channel = dpi->output.dispc_channel; int lck_div, pck_div; unsigned long fck; unsigned long pck; @@ -517,9 +493,6 @@ static int dpi_check_timings(struct omap_dss_device *dssdev, if (vm->hactive % 8 != 0) return -EINVAL; - if (!dispc_mgr_timings_ok(dpi->dss->dispc, channel, vm)) - return -EINVAL; - if (vm->pixelclock == 0) return -EINVAL; @@ -562,38 +535,6 @@ static int dpi_verify_pll(struct dss_pll *pll) return 0; } -static const struct soc_device_attribute dpi_soc_devices[] = { - { .machine = "OMAP3[456]*" }, - { .machine = "[AD]M37*" }, - { /* sentinel */ } -}; - -static int dpi_init_regulator(struct dpi_data *dpi) -{ - struct regulator *vdds_dsi; - - /* - * The DPI uses the DSI VDDS on OMAP34xx, OMAP35xx, OMAP36xx, AM37xx and - * DM37xx only. - */ - if (!soc_device_match(dpi_soc_devices)) - return 0; - - if (dpi->vdds_dsi_reg) - return 0; - - vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi"); - if (IS_ERR(vdds_dsi)) { - if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER) - DSSERR("can't get VDDS_DSI regulator\n"); - return PTR_ERR(vdds_dsi); - } - - dpi->vdds_dsi_reg = vdds_dsi; - - return 0; -} - static void dpi_init_pll(struct dpi_data *dpi) { struct dss_pll *pll; @@ -621,7 +562,7 @@ static void dpi_init_pll(struct dpi_data *dpi) * the channel in some more dynamic manner, or get the channel as a user * parameter. */ -static enum omap_channel dpi_get_channel(struct dpi_data *dpi, int port_num) +static enum omap_channel dpi_get_channel(struct dpi_data *dpi) { switch (dpi->dss_model) { case DSS_MODEL_OMAP2: @@ -629,7 +570,7 @@ static enum omap_channel dpi_get_channel(struct dpi_data *dpi, int port_num) return OMAP_DSS_CHANNEL_LCD; case DSS_MODEL_DRA7: - switch (port_num) { + switch (dpi->id) { case 2: return OMAP_DSS_CHANNEL_LCD3; case 1: @@ -651,49 +592,31 @@ static enum omap_channel dpi_get_channel(struct dpi_data *dpi, int port_num) } } -static int dpi_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int dpi_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); + struct dpi_data *dpi = dpi_get_data_from_dssdev(dst); int r; - r = dpi_init_regulator(dpi); - if (r) - return r; - dpi_init_pll(dpi); - r = dss_mgr_connect(&dpi->output, dssdev); + r = omapdss_device_connect(dst->dss, dst, dst->next); if (r) return r; - r = omapdss_output_set_device(dssdev, dst); - if (r) { - DSSERR("failed to connect output to new device: %s\n", - dst->name); - dss_mgr_disconnect(&dpi->output, dssdev); - return r; - } - + dst->dispc_channel_connected = true; return 0; } -static void dpi_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void dpi_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); - - WARN_ON(dst != dssdev->dst); + dst->dispc_channel_connected = false; - if (dst != dssdev->dst) - return; - - omapdss_output_unset_device(dssdev); - - dss_mgr_disconnect(&dpi->output, dssdev); + omapdss_device_disconnect(dst, dst->next); } -static const struct omapdss_dpi_ops dpi_ops = { +static const struct omap_dss_device_ops dpi_ops = { .connect = dpi_connect, .disconnect = dpi_disconnect, @@ -702,18 +625,16 @@ static const struct omapdss_dpi_ops dpi_ops = { .check_timings = dpi_check_timings, .set_timings = dpi_set_timings, - .get_timings = dpi_get_timings, }; -static void dpi_init_output_port(struct dpi_data *dpi, struct device_node *port) +static int dpi_init_output_port(struct dpi_data *dpi, struct device_node *port) { struct omap_dss_device *out = &dpi->output; + u32 port_num = 0; int r; - u32 port_num; - r = of_property_read_u32(port, "reg", &port_num); - if (r) - port_num = 0; + of_property_read_u32(port, "reg", &port_num); + dpi->id = port_num <= 2 ? port_num : 0; switch (port_num) { case 2: @@ -731,12 +652,28 @@ static void dpi_init_output_port(struct dpi_data *dpi, struct device_node *port) out->dev = &dpi->pdev->dev; out->id = OMAP_DSS_OUTPUT_DPI; out->output_type = OMAP_DISPLAY_TYPE_DPI; - out->dispc_channel = dpi_get_channel(dpi, port_num); - out->port_num = port_num; - out->ops.dpi = &dpi_ops; + out->dispc_channel = dpi_get_channel(dpi); + out->of_ports = BIT(port_num); + out->ops = &dpi_ops; out->owner = THIS_MODULE; - omapdss_register_output(out); + out->next = omapdss_of_find_connected_device(out->dev->of_node, 0); + if (IS_ERR(out->next)) { + if (PTR_ERR(out->next) != -EPROBE_DEFER) + dev_err(out->dev, "failed to find video sink\n"); + return PTR_ERR(out->next); + } + + r = omapdss_output_validate(out); + if (r) { + omapdss_device_put(out->next); + out->next = NULL; + return r; + } + + omapdss_device_register(out); + + return 0; } static void dpi_uninit_output_port(struct device_node *port) @@ -744,7 +681,38 @@ static void dpi_uninit_output_port(struct device_node *port) struct dpi_data *dpi = port->data; struct omap_dss_device *out = &dpi->output; - omapdss_unregister_output(out); + if (out->next) + omapdss_device_put(out->next); + omapdss_device_unregister(out); +} + +static const struct soc_device_attribute dpi_soc_devices[] = { + { .machine = "OMAP3[456]*" }, + { .machine = "[AD]M37*" }, + { /* sentinel */ } +}; + +static int dpi_init_regulator(struct dpi_data *dpi) +{ + struct regulator *vdds_dsi; + + /* + * The DPI uses the DSI VDDS on OMAP34xx, OMAP35xx, OMAP36xx, AM37xx and + * DM37xx only. + */ + if (!soc_device_match(dpi_soc_devices)) + return 0; + + vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi"); + if (IS_ERR(vdds_dsi)) { + if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER) + DSSERR("can't get VDDS_DSI regulator\n"); + return PTR_ERR(vdds_dsi); + } + + dpi->vdds_dsi_reg = vdds_dsi; + + return 0; } int dpi_init_port(struct dss_device *dss, struct platform_device *pdev, @@ -764,15 +732,14 @@ int dpi_init_port(struct dss_device *dss, struct platform_device *pdev, return 0; r = of_property_read_u32(ep, "data-lines", &datalines); + of_node_put(ep); if (r) { DSSERR("failed to parse datalines\n"); - goto err_datalines; + return r; } dpi->data_lines = datalines; - of_node_put(ep); - dpi->pdev = pdev; dpi->dss_model = dss_model; dpi->dss = dss; @@ -780,14 +747,11 @@ int dpi_init_port(struct dss_device *dss, struct platform_device *pdev, mutex_init(&dpi->lock); - dpi_init_output_port(dpi, port); - - return 0; - -err_datalines: - of_node_put(ep); + r = dpi_init_regulator(dpi); + if (r) + return r; - return r; + return dpi_init_output_port(dpi, port); } void dpi_uninit_port(struct device_node *port) diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index 74467b308721..394c129cfb3b 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -403,6 +403,7 @@ struct dsi_data { struct { struct dss_debugfs_entry *irqs; struct dss_debugfs_entry *regs; + struct dss_debugfs_entry *clks; } debugfs; #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS @@ -442,27 +443,6 @@ static inline struct dsi_data *to_dsi_data(struct omap_dss_device *dssdev) return dev_get_drvdata(dssdev->dev); } -static struct dsi_data *dsi_get_dsi_from_id(int module) -{ - struct omap_dss_device *out; - enum omap_dss_output_id id; - - switch (module) { - case 0: - id = OMAP_DSS_OUTPUT_DSI1; - break; - case 1: - id = OMAP_DSS_OUTPUT_DSI2; - break; - default: - return NULL; - } - - out = omap_dss_get_output(id); - - return out ? to_dsi_data(out) : NULL; -} - static inline void dsi_write_reg(struct dsi_data *dsi, const struct dsi_reg idx, u32 val) { @@ -1157,26 +1137,6 @@ static void dsi_runtime_put(struct dsi_data *dsi) WARN_ON(r < 0 && r != -ENOSYS); } -static int dsi_regulator_init(struct dsi_data *dsi) -{ - struct regulator *vdds_dsi; - - if (dsi->vdds_dsi_reg != NULL) - return 0; - - vdds_dsi = devm_regulator_get(dsi->dev, "vdd"); - - if (IS_ERR(vdds_dsi)) { - if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER) - DSSERR("can't get DSI VDD regulator\n"); - return PTR_ERR(vdds_dsi); - } - - dsi->vdds_dsi_reg = vdds_dsi; - - return 0; -} - static void _dsi_print_reset_status(struct dsi_data *dsi) { u32 l; @@ -1373,10 +1333,6 @@ static int dsi_pll_enable(struct dss_pll *pll) DSSDBG("PLL init\n"); - r = dsi_regulator_init(dsi); - if (r) - return r; - r = dsi_runtime_get(dsi); if (r) return r; @@ -1448,8 +1404,9 @@ static void dsi_pll_disable(struct dss_pll *pll) dsi_pll_uninit(dsi, true); } -static void dsi_dump_dsi_clocks(struct dsi_data *dsi, struct seq_file *s) +static int dsi_dump_dsi_clocks(struct seq_file *s, void *p) { + struct dsi_data *dsi = p; struct dss_pll_clock_info *cinfo = &dsi->pll.cinfo; enum dss_clk_source dispc_clk_src, dsi_clk_src; int dsi_module = dsi->module_id; @@ -1459,7 +1416,7 @@ static void dsi_dump_dsi_clocks(struct dsi_data *dsi, struct seq_file *s) dsi_clk_src = dss_get_dsi_clk_source(dsi->dss, dsi_module); if (dsi_runtime_get(dsi)) - return; + return 0; seq_printf(s, "- DSI%d PLL -\n", dsi_module + 1); @@ -1503,23 +1460,14 @@ static void dsi_dump_dsi_clocks(struct dsi_data *dsi, struct seq_file *s) seq_printf(s, "LP_CLK\t\t%lu\n", dsi->current_lp_cinfo.lp_clk); dsi_runtime_put(dsi); -} - -void dsi_dump_clocks(struct seq_file *s) -{ - struct dsi_data *dsi; - int i; - for (i = 0; i < MAX_NUM_DSI; i++) { - dsi = dsi_get_dsi_from_id(i); - if (dsi) - dsi_dump_dsi_clocks(dsi, s); - } + return 0; } #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS -static void dsi_dump_dsi_irqs(struct dsi_data *dsi, struct seq_file *s) +static int dsi_dump_dsi_irqs(struct seq_file *s, void *p) { + struct dsi_data *dsi = p; unsigned long flags; struct dsi_irq_stats stats; @@ -1603,33 +1551,20 @@ static void dsi_dump_dsi_irqs(struct dsi_data *dsi, struct seq_file *s) PIS(ULPSACTIVENOT_ALL0); PIS(ULPSACTIVENOT_ALL1); #undef PIS -} -static int dsi1_dump_irqs(struct seq_file *s, void *p) -{ - struct dsi_data *dsi = dsi_get_dsi_from_id(0); - - dsi_dump_dsi_irqs(dsi, s); - return 0; -} - -static int dsi2_dump_irqs(struct seq_file *s, void *p) -{ - struct dsi_data *dsi = dsi_get_dsi_from_id(1); - - dsi_dump_dsi_irqs(dsi, s); return 0; } #endif -static void dsi_dump_dsi_regs(struct dsi_data *dsi, struct seq_file *s) +static int dsi_dump_dsi_regs(struct seq_file *s, void *p) { -#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, dsi_read_reg(dsi, r)) + struct dsi_data *dsi = p; if (dsi_runtime_get(dsi)) - return; + return 0; dsi_enable_scp_clk(dsi); +#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, dsi_read_reg(dsi, r)) DUMPREG(DSI_REVISION); DUMPREG(DSI_SYSCONFIG); DUMPREG(DSI_SYSSTATUS); @@ -1699,25 +1634,11 @@ static void dsi_dump_dsi_regs(struct dsi_data *dsi, struct seq_file *s) DUMPREG(DSI_PLL_GO); DUMPREG(DSI_PLL_CONFIGURATION1); DUMPREG(DSI_PLL_CONFIGURATION2); +#undef DUMPREG dsi_disable_scp_clk(dsi); dsi_runtime_put(dsi); -#undef DUMPREG -} - -static int dsi1_dump_regs(struct seq_file *s, void *p) -{ - struct dsi_data *dsi = dsi_get_dsi_from_id(0); - - dsi_dump_dsi_regs(dsi, s); - return 0; -} - -static int dsi2_dump_regs(struct seq_file *s, void *p) -{ - struct dsi_data *dsi = dsi_get_dsi_from_id(1); - dsi_dump_dsi_regs(dsi, s); return 0; } @@ -3344,7 +3265,7 @@ static void dsi_config_vp_num_line_buffers(struct dsi_data *dsi) if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { int bpp = dsi_get_pixel_size(dsi->pix_fmt); - struct videomode *vm = &dsi->vm; + const struct videomode *vm = &dsi->vm; /* * Don't use line buffers if width is greater than the video * port's line buffer size @@ -3473,7 +3394,7 @@ static void dsi_config_cmd_mode_interleaving(struct dsi_data *dsi) int ddr_clk_pre, ddr_clk_post, enter_hs_mode_lat, exit_hs_mode_lat; int tclk_trail, ths_exit, exiths_clk; bool ddr_alwon; - struct videomode *vm = &dsi->vm; + const struct videomode *vm = &dsi->vm; int bpp = dsi_get_pixel_size(dsi->pix_fmt); int ndl = dsi->num_lanes_used - 1; int dsi_fclk_hsdiv = dsi->user_dsi_cinfo.mX[HSDIV_DSI] + 1; @@ -3723,7 +3644,7 @@ static void dsi_proto_timings(struct dsi_data *dsi) int vbp = dsi->vm_timings.vbp; int window_sync = dsi->vm_timings.window_sync; bool hsync_end; - struct videomode *vm = &dsi->vm; + const struct videomode *vm = &dsi->vm; int bpp = dsi_get_pixel_size(dsi->pix_fmt); int tl, t_he, width_bytes; @@ -3980,8 +3901,6 @@ static void dsi_update_screen_dispc(struct dsi_data *dsi) msecs_to_jiffies(250)); BUG_ON(r == 0); - dss_mgr_set_timings(&dsi->output, &dsi->vm); - dss_mgr_start_update(&dsi->output); if (dsi->te_enabled) { @@ -4123,24 +4042,6 @@ static int dsi_display_init_dispc(struct dsi_data *dsi) dsi->mgr_config.fifohandcheck = false; } - /* - * override interlace, logic level and edge related parameters in - * videomode with default values - */ - dsi->vm.flags &= ~DISPLAY_FLAGS_INTERLACED; - dsi->vm.flags &= ~DISPLAY_FLAGS_HSYNC_LOW; - dsi->vm.flags |= DISPLAY_FLAGS_HSYNC_HIGH; - dsi->vm.flags &= ~DISPLAY_FLAGS_VSYNC_LOW; - dsi->vm.flags |= DISPLAY_FLAGS_VSYNC_HIGH; - dsi->vm.flags &= ~DISPLAY_FLAGS_PIXDATA_NEGEDGE; - dsi->vm.flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE; - dsi->vm.flags &= ~DISPLAY_FLAGS_DE_LOW; - dsi->vm.flags |= DISPLAY_FLAGS_DE_HIGH; - dsi->vm.flags &= ~DISPLAY_FLAGS_SYNC_POSEDGE; - dsi->vm.flags |= DISPLAY_FLAGS_SYNC_NEGEDGE; - - dss_mgr_set_timings(&dsi->output, &dsi->vm); - r = dsi_configure_dispc_clocks(dsi); if (r) goto err1; @@ -4840,6 +4741,19 @@ static int dsi_set_config(struct omap_dss_device *dssdev, dsi->user_dispc_cinfo = ctx.dispc_cinfo; dsi->vm = ctx.vm; + + /* + * override interlace, logic level and edge related parameters in + * videomode with default values + */ + dsi->vm.flags &= ~DISPLAY_FLAGS_INTERLACED; + dsi->vm.flags &= ~DISPLAY_FLAGS_HSYNC_LOW; + dsi->vm.flags |= DISPLAY_FLAGS_HSYNC_HIGH; + dsi->vm.flags &= ~DISPLAY_FLAGS_VSYNC_LOW; + dsi->vm.flags |= DISPLAY_FLAGS_VSYNC_HIGH; + + dss_mgr_set_timings(&dsi->output, &dsi->vm); + dsi->vm_timings = ctx.dsi_vm; mutex_unlock(&dsi->lock); @@ -4960,163 +4874,71 @@ static int dsi_get_clocks(struct dsi_data *dsi) return 0; } -static int dsi_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int dsi_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct dsi_data *dsi = to_dsi_data(dssdev); int r; - r = dsi_regulator_init(dsi); - if (r) - return r; - - r = dss_mgr_connect(&dsi->output, dssdev); + r = omapdss_device_connect(dst->dss, dst, dst->next); if (r) return r; - r = omapdss_output_set_device(dssdev, dst); - if (r) { - DSSERR("failed to connect output to new device: %s\n", - dssdev->name); - dss_mgr_disconnect(&dsi->output, dssdev); - return r; - } - + dst->dispc_channel_connected = true; return 0; } -static void dsi_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void dsi_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct dsi_data *dsi = to_dsi_data(dssdev); + dst->dispc_channel_connected = false; - WARN_ON(dst != dssdev->dst); - - if (dst != dssdev->dst) - return; - - omapdss_output_unset_device(dssdev); - - dss_mgr_disconnect(&dsi->output, dssdev); + omapdss_device_disconnect(dst, dst->next); } -static const struct omapdss_dsi_ops dsi_ops = { +static const struct omap_dss_device_ops dsi_ops = { .connect = dsi_connect, .disconnect = dsi_disconnect, - - .bus_lock = dsi_bus_lock, - .bus_unlock = dsi_bus_unlock, - .enable = dsi_display_enable, - .disable = dsi_display_disable, - - .enable_hs = dsi_vc_enable_hs, - - .configure_pins = dsi_configure_pins, - .set_config = dsi_set_config, - - .enable_video_output = dsi_enable_video_output, - .disable_video_output = dsi_disable_video_output, - - .update = dsi_update, - - .enable_te = dsi_enable_te, - - .request_vc = dsi_request_vc, - .set_vc_id = dsi_set_vc_id, - .release_vc = dsi_release_vc, - - .dcs_write = dsi_vc_dcs_write, - .dcs_write_nosync = dsi_vc_dcs_write_nosync, - .dcs_read = dsi_vc_dcs_read, - - .gen_write = dsi_vc_generic_write, - .gen_write_nosync = dsi_vc_generic_write_nosync, - .gen_read = dsi_vc_generic_read, - - .bta_sync = dsi_vc_send_bta_sync, - - .set_max_rx_packet_size = dsi_vc_set_max_rx_packet_size, -}; - -static void dsi_init_output(struct dsi_data *dsi) -{ - struct omap_dss_device *out = &dsi->output; - - out->dev = dsi->dev; - out->id = dsi->module_id == 0 ? - OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2; - - out->output_type = OMAP_DISPLAY_TYPE_DSI; - out->name = dsi->module_id == 0 ? "dsi.0" : "dsi.1"; - out->dispc_channel = dsi_get_channel(dsi); - out->ops.dsi = &dsi_ops; - out->owner = THIS_MODULE; - omapdss_register_output(out); -} + .dsi = { + .bus_lock = dsi_bus_lock, + .bus_unlock = dsi_bus_unlock, -static void dsi_uninit_output(struct dsi_data *dsi) -{ - struct omap_dss_device *out = &dsi->output; + .disable = dsi_display_disable, - omapdss_unregister_output(out); -} + .enable_hs = dsi_vc_enable_hs, -static int dsi_probe_of(struct dsi_data *dsi) -{ - struct device_node *node = dsi->dev->of_node; - struct property *prop; - u32 lane_arr[10]; - int len, num_pins; - int r, i; - struct device_node *ep; - struct omap_dsi_pin_config pin_cfg; - - ep = of_graph_get_endpoint_by_regs(node, 0, 0); - if (!ep) - return 0; + .configure_pins = dsi_configure_pins, + .set_config = dsi_set_config, - prop = of_find_property(ep, "lanes", &len); - if (prop == NULL) { - dev_err(dsi->dev, "failed to find lane data\n"); - r = -EINVAL; - goto err; - } + .enable_video_output = dsi_enable_video_output, + .disable_video_output = dsi_disable_video_output, - num_pins = len / sizeof(u32); + .update = dsi_update, - if (num_pins < 4 || num_pins % 2 != 0 || - num_pins > dsi->num_lanes_supported * 2) { - dev_err(dsi->dev, "bad number of lanes\n"); - r = -EINVAL; - goto err; - } + .enable_te = dsi_enable_te, - r = of_property_read_u32_array(ep, "lanes", lane_arr, num_pins); - if (r) { - dev_err(dsi->dev, "failed to read lane data\n"); - goto err; - } + .request_vc = dsi_request_vc, + .set_vc_id = dsi_set_vc_id, + .release_vc = dsi_release_vc, - pin_cfg.num_pins = num_pins; - for (i = 0; i < num_pins; ++i) - pin_cfg.pins[i] = (int)lane_arr[i]; + .dcs_write = dsi_vc_dcs_write, + .dcs_write_nosync = dsi_vc_dcs_write_nosync, + .dcs_read = dsi_vc_dcs_read, - r = dsi_configure_pins(&dsi->output, &pin_cfg); - if (r) { - dev_err(dsi->dev, "failed to configure pins"); - goto err; - } + .gen_write = dsi_vc_generic_write, + .gen_write_nosync = dsi_vc_generic_write_nosync, + .gen_read = dsi_vc_generic_read, - of_node_put(ep); + .bta_sync = dsi_vc_send_bta_sync, - return 0; + .set_max_rx_packet_size = dsi_vc_set_max_rx_packet_size, + }, +}; -err: - of_node_put(ep); - return r; -} +/* ----------------------------------------------------------------------------- + * PLL + */ static const struct dss_pll_ops dsi_pll_ops = { .enable = dsi_pll_enable, @@ -5231,7 +5053,175 @@ static int dsi_init_pll_data(struct dss_device *dss, struct dsi_data *dsi) return 0; } -/* DSI1 HW IP initialisation */ +/* ----------------------------------------------------------------------------- + * Component Bind & Unbind + */ + +static int dsi_bind(struct device *dev, struct device *master, void *data) +{ + struct dss_device *dss = dss_get_device(master); + struct dsi_data *dsi = dev_get_drvdata(dev); + char name[10]; + u32 rev; + int r; + + dsi->dss = dss; + + dsi_init_pll_data(dss, dsi); + + r = dsi_runtime_get(dsi); + if (r) + return r; + + rev = dsi_read_reg(dsi, DSI_REVISION); + dev_dbg(dev, "OMAP DSI rev %d.%d\n", + FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); + + dsi->line_buffer_size = dsi_get_line_buf_size(dsi); + + dsi_runtime_put(dsi); + + snprintf(name, sizeof(name), "dsi%u_regs", dsi->module_id + 1); + dsi->debugfs.regs = dss_debugfs_create_file(dss, name, + dsi_dump_dsi_regs, &dsi); +#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS + snprintf(name, sizeof(name), "dsi%u_irqs", dsi->module_id + 1); + dsi->debugfs.irqs = dss_debugfs_create_file(dss, name, + dsi_dump_dsi_irqs, &dsi); +#endif + snprintf(name, sizeof(name), "dsi%u_clks", dsi->module_id + 1); + dsi->debugfs.clks = dss_debugfs_create_file(dss, name, + dsi_dump_dsi_clocks, &dsi); + + return 0; +} + +static void dsi_unbind(struct device *dev, struct device *master, void *data) +{ + struct dsi_data *dsi = dev_get_drvdata(dev); + + dss_debugfs_remove_file(dsi->debugfs.clks); + dss_debugfs_remove_file(dsi->debugfs.irqs); + dss_debugfs_remove_file(dsi->debugfs.regs); + + of_platform_depopulate(dev); + + WARN_ON(dsi->scp_clk_refcount > 0); + + dss_pll_unregister(&dsi->pll); +} + +static const struct component_ops dsi_component_ops = { + .bind = dsi_bind, + .unbind = dsi_unbind, +}; + +/* ----------------------------------------------------------------------------- + * Probe & Remove, Suspend & Resume + */ + +static int dsi_init_output(struct dsi_data *dsi) +{ + struct omap_dss_device *out = &dsi->output; + int r; + + out->dev = dsi->dev; + out->id = dsi->module_id == 0 ? + OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2; + + out->output_type = OMAP_DISPLAY_TYPE_DSI; + out->name = dsi->module_id == 0 ? "dsi.0" : "dsi.1"; + out->dispc_channel = dsi_get_channel(dsi); + out->ops = &dsi_ops; + out->owner = THIS_MODULE; + out->of_ports = BIT(0); + out->bus_flags = DRM_BUS_FLAG_PIXDATA_POSEDGE + | DRM_BUS_FLAG_DE_HIGH + | DRM_BUS_FLAG_SYNC_NEGEDGE; + + out->next = omapdss_of_find_connected_device(out->dev->of_node, 0); + if (IS_ERR(out->next)) { + if (PTR_ERR(out->next) != -EPROBE_DEFER) + dev_err(out->dev, "failed to find video sink\n"); + return PTR_ERR(out->next); + } + + r = omapdss_output_validate(out); + if (r) { + omapdss_device_put(out->next); + out->next = NULL; + return r; + } + + omapdss_device_register(out); + + return 0; +} + +static void dsi_uninit_output(struct dsi_data *dsi) +{ + struct omap_dss_device *out = &dsi->output; + + if (out->next) + omapdss_device_put(out->next); + omapdss_device_unregister(out); +} + +static int dsi_probe_of(struct dsi_data *dsi) +{ + struct device_node *node = dsi->dev->of_node; + struct property *prop; + u32 lane_arr[10]; + int len, num_pins; + int r, i; + struct device_node *ep; + struct omap_dsi_pin_config pin_cfg; + + ep = of_graph_get_endpoint_by_regs(node, 0, 0); + if (!ep) + return 0; + + prop = of_find_property(ep, "lanes", &len); + if (prop == NULL) { + dev_err(dsi->dev, "failed to find lane data\n"); + r = -EINVAL; + goto err; + } + + num_pins = len / sizeof(u32); + + if (num_pins < 4 || num_pins % 2 != 0 || + num_pins > dsi->num_lanes_supported * 2) { + dev_err(dsi->dev, "bad number of lanes\n"); + r = -EINVAL; + goto err; + } + + r = of_property_read_u32_array(ep, "lanes", lane_arr, num_pins); + if (r) { + dev_err(dsi->dev, "failed to read lane data\n"); + goto err; + } + + pin_cfg.num_pins = num_pins; + for (i = 0; i < num_pins; ++i) + pin_cfg.pins[i] = (int)lane_arr[i]; + + r = dsi_configure_pins(&dsi->output, &pin_cfg); + if (r) { + dev_err(dsi->dev, "failed to configure pins"); + goto err; + } + + of_node_put(ep); + + return 0; + +err: + of_node_put(ep); + return r; +} + static const struct dsi_of_data dsi_of_data_omap34xx = { .model = DSI_MODEL_OMAP3, .pll_hw = &dss_omap3_dsi_pll_hw, @@ -5297,23 +5287,21 @@ static const struct soc_device_attribute dsi_soc_devices[] = { { /* sentinel */ } }; -static int dsi_bind(struct device *dev, struct device *master, void *data) +static int dsi_probe(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(dev); - struct dss_device *dss = dss_get_device(master); const struct soc_device_attribute *soc; const struct dsi_module_id_data *d; - u32 rev; - int r, i; + struct device *dev = &pdev->dev; struct dsi_data *dsi; struct resource *dsi_mem; struct resource *res; + unsigned int i; + int r; dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL); if (!dsi) return -ENOMEM; - dsi->dss = dss; dsi->dev = dev; dev_set_drvdata(dev, dsi); @@ -5364,6 +5352,13 @@ static int dsi_bind(struct device *dev, struct device *master, void *data) return r; } + dsi->vdds_dsi_reg = devm_regulator_get(dev, "vdd"); + if (IS_ERR(dsi->vdds_dsi_reg)) { + if (PTR_ERR(dsi->vdds_dsi_reg) != -EPROBE_DEFER) + DSSERR("can't get DSI VDD regulator\n"); + return PTR_ERR(dsi->vdds_dsi_reg); + } + soc = soc_device_match(dsi_soc_devices); if (soc) dsi->data = soc->data; @@ -5410,18 +5405,8 @@ static int dsi_bind(struct device *dev, struct device *master, void *data) if (r) return r; - dsi_init_pll_data(dss, dsi); - pm_runtime_enable(dev); - r = dsi_runtime_get(dsi); - if (r) - goto err_runtime_get; - - rev = dsi_read_reg(dsi, DSI_REVISION); - dev_dbg(dev, "OMAP DSI rev %d.%d\n", - FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); - /* DSI on OMAP3 doesn't have register DSI_GNQ, set number * of data to 3 by default */ if (dsi->data->quirks & DSI_QUIRK_GNQ) @@ -5430,88 +5415,48 @@ static int dsi_bind(struct device *dev, struct device *master, void *data) else dsi->num_lanes_supported = 3; - dsi->line_buffer_size = dsi_get_line_buf_size(dsi); - - dsi_init_output(dsi); + r = dsi_init_output(dsi); + if (r) + goto err_pm_disable; r = dsi_probe_of(dsi); if (r) { DSSERR("Invalid DSI DT data\n"); - goto err_probe_of; + goto err_uninit_output; } r = of_platform_populate(dev->of_node, NULL, NULL, dev); if (r) DSSERR("Failed to populate DSI child devices: %d\n", r); - dsi_runtime_put(dsi); - - if (dsi->module_id == 0) - dsi->debugfs.regs = dss_debugfs_create_file(dss, "dsi1_regs", - dsi1_dump_regs, - &dsi); - else - dsi->debugfs.regs = dss_debugfs_create_file(dss, "dsi2_regs", - dsi2_dump_regs, - &dsi); -#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS - if (dsi->module_id == 0) - dsi->debugfs.irqs = dss_debugfs_create_file(dss, "dsi1_irqs", - dsi1_dump_irqs, - &dsi); - else - dsi->debugfs.irqs = dss_debugfs_create_file(dss, "dsi2_irqs", - dsi2_dump_irqs, - &dsi); -#endif + r = component_add(&pdev->dev, &dsi_component_ops); + if (r) + goto err_uninit_output; return 0; -err_probe_of: +err_uninit_output: dsi_uninit_output(dsi); - dsi_runtime_put(dsi); - -err_runtime_get: +err_pm_disable: pm_runtime_disable(dev); return r; } -static void dsi_unbind(struct device *dev, struct device *master, void *data) +static int dsi_remove(struct platform_device *pdev) { - struct dsi_data *dsi = dev_get_drvdata(dev); + struct dsi_data *dsi = platform_get_drvdata(pdev); - dss_debugfs_remove_file(dsi->debugfs.irqs); - dss_debugfs_remove_file(dsi->debugfs.regs); - - of_platform_depopulate(dev); - - WARN_ON(dsi->scp_clk_refcount > 0); - - dss_pll_unregister(&dsi->pll); + component_del(&pdev->dev, &dsi_component_ops); dsi_uninit_output(dsi); - pm_runtime_disable(dev); + pm_runtime_disable(&pdev->dev); if (dsi->vdds_dsi_reg != NULL && dsi->vdds_dsi_enabled) { regulator_disable(dsi->vdds_dsi_reg); dsi->vdds_dsi_enabled = false; } -} -static const struct component_ops dsi_component_ops = { - .bind = dsi_bind, - .unbind = dsi_unbind, -}; - -static int dsi_probe(struct platform_device *pdev) -{ - return component_add(&pdev->dev, &dsi_component_ops); -} - -static int dsi_remove(struct platform_device *pdev) -{ - component_del(&pdev->dev, &dsi_component_ops); return 0; } diff --git a/drivers/gpu/drm/omapdrm/dss/dss-of.c b/drivers/gpu/drm/omapdrm/dss/dss-of.c index 4602a79c6c44..0422597ac6b0 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss-of.c +++ b/drivers/gpu/drm/omapdrm/dss/dss-of.c @@ -21,7 +21,8 @@ #include "omapdss.h" -struct device_node *dss_of_port_get_parent_device(struct device_node *port) +static struct device_node * +dss_of_port_get_parent_device(struct device_node *port) { struct device_node *np; int i; @@ -45,41 +46,37 @@ struct device_node *dss_of_port_get_parent_device(struct device_node *port) return NULL; } -u32 dss_of_port_get_port_number(struct device_node *port) -{ - int r; - u32 reg; - - r = of_property_read_u32(port, "reg", ®); - if (r) - reg = 0; - - return reg; -} - struct omap_dss_device * -omapdss_of_find_source_for_first_ep(struct device_node *node) +omapdss_of_find_connected_device(struct device_node *node, unsigned int port) { - struct device_node *ep; + struct device_node *src_node; struct device_node *src_port; + struct device_node *ep; struct omap_dss_device *src; + u32 port_number = 0; - ep = of_graph_get_endpoint_by_regs(node, 0, 0); + /* Get the endpoint... */ + ep = of_graph_get_endpoint_by_regs(node, port, 0); if (!ep) - return ERR_PTR(-EINVAL); + return NULL; + /* ... and its remote port... */ src_port = of_graph_get_remote_port(ep); - if (!src_port) { - of_node_put(ep); - return ERR_PTR(-EINVAL); - } - of_node_put(ep); + if (!src_port) + return NULL; - src = omap_dss_find_output_by_port_node(src_port); - + /* ... and the remote port's number and parent... */ + of_property_read_u32(src_port, "reg", &port_number); + src_node = dss_of_port_get_parent_device(src_port); of_node_put(src_port); + if (!src_node) + return ERR_PTR(-EINVAL); + + /* ... and finally the connected device. */ + src = omapdss_find_device_by_port(src_node, port_number); + of_node_put(src_node); return src ? src : ERR_PTR(-EPROBE_DEFER); } -EXPORT_SYMBOL_GPL(omapdss_of_find_source_for_first_ep); +EXPORT_SYMBOL_GPL(omapdss_of_find_connected_device); diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c index cb80ddaa19d2..19fc4dfc429e 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.c +++ b/drivers/gpu/drm/omapdrm/dss/dss.c @@ -394,9 +394,6 @@ static int dss_debug_dump_clocks(struct seq_file *s, void *p) dss_dump_clocks(dss, s); dispc_dump_clocks(dss->dispc, s); -#ifdef CONFIG_OMAP2_DSS_DSI - dsi_dump_clocks(s); -#endif return 0; } @@ -681,12 +678,6 @@ unsigned long dss_get_max_fck_rate(struct dss_device *dss) return dss->feat->fck_freq_max; } -enum omap_dss_output_id dss_get_supported_outputs(struct dss_device *dss, - enum omap_channel channel) -{ - return dss->feat->outputs[channel]; -} - static int dss_setup_default_clock(struct dss_device *dss) { unsigned long max_dss_fck, prate; @@ -1183,7 +1174,8 @@ static int dss_init_ports(struct dss_device *dss) struct platform_device *pdev = dss->pdev; struct device_node *parent = pdev->dev.of_node; struct device_node *port; - int i; + unsigned int i; + int r; for (i = 0; i < dss->feat->num_ports; i++) { port = of_graph_get_port_by_id(parent, i); @@ -1192,11 +1184,17 @@ static int dss_init_ports(struct dss_device *dss) switch (dss->feat->ports[i]) { case OMAP_DISPLAY_TYPE_DPI: - dpi_init_port(dss, pdev, port, dss->feat->model); + r = dpi_init_port(dss, pdev, port, dss->feat->model); + if (r) + return r; break; + case OMAP_DISPLAY_TYPE_SDI: - sdi_init_port(dss, pdev, port); + r = sdi_init_port(dss, pdev, port); + if (r) + return r; break; + default: break; } @@ -1315,6 +1313,7 @@ static const struct soc_device_attribute dss_soc_devices[] = { static int dss_bind(struct device *dev) { struct dss_device *dss = dev_get_drvdata(dev); + struct platform_device *drm_pdev; int r; r = component_bind_all(dev, NULL); @@ -1323,14 +1322,25 @@ static int dss_bind(struct device *dev) pm_set_vt_switch(0); - omapdss_gather_components(dev); omapdss_set_dss(dss); + drm_pdev = platform_device_register_simple("omapdrm", 0, NULL, 0); + if (IS_ERR(drm_pdev)) { + component_unbind_all(dev, NULL); + return PTR_ERR(drm_pdev); + } + + dss->drm_pdev = drm_pdev; + return 0; } static void dss_unbind(struct device *dev) { + struct dss_device *dss = dev_get_drvdata(dev); + + platform_device_unregister(dss->drm_pdev); + omapdss_set_dss(NULL); component_unbind_all(dev, NULL); @@ -1474,6 +1484,8 @@ static int dss_probe(struct platform_device *pdev) dss); /* Add all the child devices as components. */ + omapdss_gather_components(&pdev->dev); + device_for_each_child(&pdev->dev, &match, dss_add_child_component); r = component_master_add_with_match(&pdev->dev, &dss_component_ops, match); @@ -1539,12 +1551,9 @@ static void dss_shutdown(struct platform_device *pdev) DSSDBG("shutdown\n"); - for_each_dss_dev(dssdev) { - if (!dssdev->driver) - continue; - + for_each_dss_display(dssdev) { if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) - dssdev->driver->disable(dssdev); + dssdev->ops->disable(dssdev); } } diff --git a/drivers/gpu/drm/omapdrm/dss/dss.h b/drivers/gpu/drm/omapdrm/dss/dss.h index 38302631b64b..37790c363128 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.h +++ b/drivers/gpu/drm/omapdrm/dss/dss.h @@ -238,6 +238,8 @@ struct dss_device { struct regmap *syscon_pll_ctrl; u32 syscon_pll_ctrl_offset; + struct platform_device *drm_pdev; + struct clk *parent_clk; struct clk *dss_clk; unsigned long dss_clk_rate; @@ -267,6 +269,8 @@ struct dss_device { struct dispc_device *dispc; const struct dispc_ops *dispc_ops; + const struct dss_mgr_ops *mgr_ops; + struct omap_drm_private *mgr_ops_priv; }; /* core */ @@ -313,8 +317,6 @@ void dss_runtime_put(struct dss_device *dss); unsigned long dss_get_dispc_clk_rate(struct dss_device *dss); unsigned long dss_get_max_fck_rate(struct dss_device *dss); -enum omap_dss_output_id dss_get_supported_outputs(struct dss_device *dss, - enum omap_channel channel); int dss_dpi_select_source(struct dss_device *dss, int port, enum omap_channel channel); void dss_select_hdmi_venc_clk_source(struct dss_device *dss, @@ -374,8 +376,6 @@ static inline void sdi_uninit_port(struct device_node *port) #ifdef CONFIG_OMAP2_DSS_DSI -void dsi_dump_clocks(struct seq_file *s); - void dsi_irq_handler(void); #endif @@ -417,9 +417,6 @@ bool dispc_div_calc(struct dispc_device *dispc, unsigned long dispc_freq, unsigned long pck_min, unsigned long pck_max, dispc_div_calc_func func, void *data); -bool dispc_mgr_timings_ok(struct dispc_device *dispc, - enum omap_channel channel, - const struct videomode *vm); int dispc_calc_clock_rates(struct dispc_device *dispc, unsigned long dispc_fclk_rate, struct dispc_clock_info *cinfo); diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi.h b/drivers/gpu/drm/omapdrm/dss/hdmi.h index 3aeb4cabd59f..7f0dc490a31d 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi.h +++ b/drivers/gpu/drm/omapdrm/dss/hdmi.h @@ -313,13 +313,13 @@ void hdmi_wp_clear_irqenable(struct hdmi_wp_data *wp, u32 mask); int hdmi_wp_set_phy_pwr(struct hdmi_wp_data *wp, enum hdmi_phy_pwr val); int hdmi_wp_set_pll_pwr(struct hdmi_wp_data *wp, enum hdmi_pll_pwr val); void hdmi_wp_video_config_format(struct hdmi_wp_data *wp, - struct hdmi_video_format *video_fmt); + const struct hdmi_video_format *video_fmt); void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp, - struct videomode *vm); + const struct videomode *vm); void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp, - struct videomode *vm); + const struct videomode *vm); void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt, - struct videomode *vm, struct hdmi_config *param); + struct videomode *vm, const struct hdmi_config *param); int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp, unsigned int version); phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp); diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index 5879f45f6fc9..cf6230eac31a 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -108,26 +108,6 @@ static irqreturn_t hdmi_irq_handler(int irq, void *data) return IRQ_HANDLED; } -static int hdmi_init_regulator(struct omap_hdmi *hdmi) -{ - struct regulator *reg; - - if (hdmi->vdda_reg != NULL) - return 0; - - reg = devm_regulator_get(&hdmi->pdev->dev, "vdda"); - - if (IS_ERR(reg)) { - if (PTR_ERR(reg) != -EPROBE_DEFER) - DSSERR("can't get VDDA regulator\n"); - return PTR_ERR(reg); - } - - hdmi->vdda_reg = reg; - - return 0; -} - static int hdmi_power_on_core(struct omap_hdmi *hdmi) { int r; @@ -174,7 +154,7 @@ static void hdmi_power_off_core(struct omap_hdmi *hdmi) static int hdmi_power_on_full(struct omap_hdmi *hdmi) { int r; - struct videomode *vm; + const struct videomode *vm; struct hdmi_wp_data *wp = &hdmi->wp; struct dss_pll_clock_info hdmi_cinfo = { 0 }; unsigned int pc; @@ -227,9 +207,6 @@ static int hdmi_power_on_full(struct omap_hdmi *hdmi) hdmi4_configure(&hdmi->core, &hdmi->wp, &hdmi->cfg); - /* tv size */ - dss_mgr_set_timings(&hdmi->output, vm); - r = dss_mgr_enable(&hdmi->output); if (r) goto err_mgr_enable; @@ -271,19 +248,8 @@ static void hdmi_power_off_full(struct omap_hdmi *hdmi) hdmi_power_off_core(hdmi); } -static int hdmi_display_check_timing(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - if (!dispc_mgr_timings_ok(hdmi->dss->dispc, dssdev->dispc_channel, vm)) - return -EINVAL; - - return 0; -} - -static void hdmi_display_set_timing(struct omap_dss_device *dssdev, - struct videomode *vm) +static void hdmi_display_set_timings(struct omap_dss_device *dssdev, + const struct videomode *vm) { struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); @@ -296,14 +262,6 @@ static void hdmi_display_set_timing(struct omap_dss_device *dssdev, mutex_unlock(&hdmi->lock); } -static void hdmi_display_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - *vm = hdmi->cfg.vm; -} - static int hdmi_dump_regs(struct seq_file *s, void *p) { struct omap_hdmi *hdmi = s->private; @@ -456,44 +414,25 @@ void hdmi4_core_disable(struct hdmi_core_data *core) mutex_unlock(&hdmi->lock); } -static int hdmi_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int hdmi_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); int r; - r = hdmi_init_regulator(hdmi); + r = omapdss_device_connect(dst->dss, dst, dst->next); if (r) return r; - r = dss_mgr_connect(&hdmi->output, dssdev); - if (r) - return r; - - r = omapdss_output_set_device(dssdev, dst); - if (r) { - DSSERR("failed to connect output to new device: %s\n", - dst->name); - dss_mgr_disconnect(&hdmi->output, dssdev); - return r; - } - + dst->dispc_channel_connected = true; return 0; } -static void hdmi_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void hdmi_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - WARN_ON(dst != dssdev->dst); + dst->dispc_channel_connected = false; - if (dst != dssdev->dst) - return; - - omapdss_output_unset_device(dssdev); - - dss_mgr_disconnect(&hdmi->output, dssdev); + omapdss_device_disconnect(dst, dst->next); } static int hdmi_read_edid(struct omap_dss_device *dssdev, @@ -548,69 +487,28 @@ static int hdmi_set_hdmi_mode(struct omap_dss_device *dssdev, return 0; } -static const struct omapdss_hdmi_ops hdmi_ops = { +static const struct omap_dss_device_ops hdmi_ops = { .connect = hdmi_connect, .disconnect = hdmi_disconnect, .enable = hdmi_display_enable, .disable = hdmi_display_disable, - .check_timings = hdmi_display_check_timing, - .set_timings = hdmi_display_set_timing, - .get_timings = hdmi_display_get_timings, + .set_timings = hdmi_display_set_timings, .read_edid = hdmi_read_edid, - .lost_hotplug = hdmi_lost_hotplug, - .set_infoframe = hdmi_set_infoframe, - .set_hdmi_mode = hdmi_set_hdmi_mode, -}; - -static void hdmi_init_output(struct omap_hdmi *hdmi) -{ - struct omap_dss_device *out = &hdmi->output; - - out->dev = &hdmi->pdev->dev; - out->id = OMAP_DSS_OUTPUT_HDMI; - out->output_type = OMAP_DISPLAY_TYPE_HDMI; - out->name = "hdmi.0"; - out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; - out->ops.hdmi = &hdmi_ops; - out->owner = THIS_MODULE; - - omapdss_register_output(out); -} - -static void hdmi_uninit_output(struct omap_hdmi *hdmi) -{ - struct omap_dss_device *out = &hdmi->output; - - omapdss_unregister_output(out); -} - -static int hdmi_probe_of(struct omap_hdmi *hdmi) -{ - struct platform_device *pdev = hdmi->pdev; - struct device_node *node = pdev->dev.of_node; - struct device_node *ep; - int r; - - ep = of_graph_get_endpoint_by_regs(node, 0, 0); - if (!ep) - return 0; - - r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy); - if (r) - goto err; - of_node_put(ep); - return 0; + .hdmi = { + .lost_hotplug = hdmi_lost_hotplug, + .set_infoframe = hdmi_set_infoframe, + .set_hdmi_mode = hdmi_set_hdmi_mode, + }, +}; -err: - of_node_put(ep); - return r; -} +/* ----------------------------------------------------------------------------- + * Audio Callbacks + */ -/* Audio callbacks */ static int hdmi_audio_startup(struct device *dev, void (*abort_cb)(struct device *dev)) { @@ -725,27 +623,143 @@ static int hdmi_audio_register(struct omap_hdmi *hdmi) return 0; } -/* HDMI HW IP initialisation */ +/* ----------------------------------------------------------------------------- + * Component Bind & Unbind + */ + static int hdmi4_bind(struct device *dev, struct device *master, void *data) { - struct platform_device *pdev = to_platform_device(dev); struct dss_device *dss = dss_get_device(master); - struct omap_hdmi *hdmi; + struct omap_hdmi *hdmi = dev_get_drvdata(dev); + int r; + + hdmi->dss = dss; + + r = hdmi_pll_init(dss, hdmi->pdev, &hdmi->pll, &hdmi->wp); + if (r) + return r; + + r = hdmi4_cec_init(hdmi->pdev, &hdmi->core, &hdmi->wp); + if (r) + goto err_pll_uninit; + + r = hdmi_audio_register(hdmi); + if (r) { + DSSERR("Registering HDMI audio failed\n"); + goto err_cec_uninit; + } + + hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs, + hdmi); + + return 0; + +err_cec_uninit: + hdmi4_cec_uninit(&hdmi->core); +err_pll_uninit: + hdmi_pll_uninit(&hdmi->pll); + return r; +} + +static void hdmi4_unbind(struct device *dev, struct device *master, void *data) +{ + struct omap_hdmi *hdmi = dev_get_drvdata(dev); + + dss_debugfs_remove_file(hdmi->debugfs); + + if (hdmi->audio_pdev) + platform_device_unregister(hdmi->audio_pdev); + + hdmi4_cec_uninit(&hdmi->core); + hdmi_pll_uninit(&hdmi->pll); +} + +static const struct component_ops hdmi4_component_ops = { + .bind = hdmi4_bind, + .unbind = hdmi4_unbind, +}; + +/* ----------------------------------------------------------------------------- + * Probe & Remove, Suspend & Resume + */ + +static int hdmi4_init_output(struct omap_hdmi *hdmi) +{ + struct omap_dss_device *out = &hdmi->output; int r; + + out->dev = &hdmi->pdev->dev; + out->id = OMAP_DSS_OUTPUT_HDMI; + out->output_type = OMAP_DISPLAY_TYPE_HDMI; + out->name = "hdmi.0"; + out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; + out->ops = &hdmi_ops; + out->owner = THIS_MODULE; + out->of_ports = BIT(0); + out->ops_flags = OMAP_DSS_DEVICE_OP_EDID; + + out->next = omapdss_of_find_connected_device(out->dev->of_node, 0); + if (IS_ERR(out->next)) { + if (PTR_ERR(out->next) != -EPROBE_DEFER) + dev_err(out->dev, "failed to find video sink\n"); + return PTR_ERR(out->next); + } + + r = omapdss_output_validate(out); + if (r) { + omapdss_device_put(out->next); + out->next = NULL; + return r; + } + + omapdss_device_register(out); + + return 0; +} + +static void hdmi4_uninit_output(struct omap_hdmi *hdmi) +{ + struct omap_dss_device *out = &hdmi->output; + + if (out->next) + omapdss_device_put(out->next); + omapdss_device_unregister(out); +} + +static int hdmi4_probe_of(struct omap_hdmi *hdmi) +{ + struct platform_device *pdev = hdmi->pdev; + struct device_node *node = pdev->dev.of_node; + struct device_node *ep; + int r; + + ep = of_graph_get_endpoint_by_regs(node, 0, 0); + if (!ep) + return 0; + + r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy); + of_node_put(ep); + return r; +} + +static int hdmi4_probe(struct platform_device *pdev) +{ + struct omap_hdmi *hdmi; int irq; + int r; hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL); if (!hdmi) return -ENOMEM; hdmi->pdev = pdev; - hdmi->dss = dss; + dev_set_drvdata(&pdev->dev, hdmi); mutex_init(&hdmi->lock); spin_lock_init(&hdmi->audio_playing_lock); - r = hdmi_probe_of(hdmi); + r = hdmi4_probe_of(hdmi); if (r) goto err_free; @@ -753,27 +767,19 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data) if (r) goto err_free; - r = hdmi_pll_init(dss, pdev, &hdmi->pll, &hdmi->wp); - if (r) - goto err_free; - r = hdmi_phy_init(pdev, &hdmi->phy, 4); if (r) - goto err_pll; + goto err_free; r = hdmi4_core_init(pdev, &hdmi->core); if (r) - goto err_pll; - - r = hdmi4_cec_init(pdev, &hdmi->core, &hdmi->wp); - if (r) - goto err_pll; + goto err_free; irq = platform_get_irq(pdev, 0); if (irq < 0) { DSSERR("platform_get_irq failed\n"); r = -ENODEV; - goto err_pll; + goto err_free; } r = devm_request_threaded_irq(&pdev->dev, irq, @@ -781,66 +787,49 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data) IRQF_ONESHOT, "OMAP HDMI", hdmi); if (r) { DSSERR("HDMI IRQ request failed\n"); - goto err_pll; + goto err_free; } - pm_runtime_enable(&pdev->dev); + hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda"); + if (IS_ERR(hdmi->vdda_reg)) { + r = PTR_ERR(hdmi->vdda_reg); + if (r != -EPROBE_DEFER) + DSSERR("can't get VDDA regulator\n"); + goto err_free; + } - hdmi_init_output(hdmi); + pm_runtime_enable(&pdev->dev); - r = hdmi_audio_register(hdmi); - if (r) { - DSSERR("Registering HDMI audio failed\n"); - hdmi_uninit_output(hdmi); - pm_runtime_disable(&pdev->dev); - return r; - } + r = hdmi4_init_output(hdmi); + if (r) + goto err_pm_disable; - hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs, - hdmi); + r = component_add(&pdev->dev, &hdmi4_component_ops); + if (r) + goto err_uninit_output; return 0; -err_pll: - hdmi_pll_uninit(&hdmi->pll); +err_uninit_output: + hdmi4_uninit_output(hdmi); +err_pm_disable: + pm_runtime_disable(&pdev->dev); err_free: kfree(hdmi); return r; } -static void hdmi4_unbind(struct device *dev, struct device *master, void *data) +static int hdmi4_remove(struct platform_device *pdev) { - struct omap_hdmi *hdmi = dev_get_drvdata(dev); - - dss_debugfs_remove_file(hdmi->debugfs); - - if (hdmi->audio_pdev) - platform_device_unregister(hdmi->audio_pdev); + struct omap_hdmi *hdmi = platform_get_drvdata(pdev); - hdmi_uninit_output(hdmi); - - hdmi4_cec_uninit(&hdmi->core); + component_del(&pdev->dev, &hdmi4_component_ops); - hdmi_pll_uninit(&hdmi->pll); + hdmi4_uninit_output(hdmi); - pm_runtime_disable(dev); + pm_runtime_disable(&pdev->dev); kfree(hdmi); -} - -static const struct component_ops hdmi4_component_ops = { - .bind = hdmi4_bind, - .unbind = hdmi4_unbind, -}; - -static int hdmi4_probe(struct platform_device *pdev) -{ - return component_add(&pdev->dev, &hdmi4_component_ops); -} - -static int hdmi4_remove(struct platform_device *pdev) -{ - component_del(&pdev->dev, &hdmi4_component_ops); return 0; } diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c index ae1a001d1b83..b0e4a7463f8c 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c @@ -117,24 +117,6 @@ static irqreturn_t hdmi_irq_handler(int irq, void *data) return IRQ_HANDLED; } -static int hdmi_init_regulator(struct omap_hdmi *hdmi) -{ - struct regulator *reg; - - if (hdmi->vdda_reg != NULL) - return 0; - - reg = devm_regulator_get(&hdmi->pdev->dev, "vdda"); - if (IS_ERR(reg)) { - DSSERR("can't get VDDA regulator\n"); - return PTR_ERR(reg); - } - - hdmi->vdda_reg = reg; - - return 0; -} - static int hdmi_power_on_core(struct omap_hdmi *hdmi) { int r; @@ -171,7 +153,7 @@ static void hdmi_power_off_core(struct omap_hdmi *hdmi) static int hdmi_power_on_full(struct omap_hdmi *hdmi) { int r; - struct videomode *vm; + const struct videomode *vm; struct dss_pll_clock_info hdmi_cinfo = { 0 }; unsigned int pc; @@ -224,9 +206,6 @@ static int hdmi_power_on_full(struct omap_hdmi *hdmi) hdmi5_configure(&hdmi->core, &hdmi->wp, &hdmi->cfg); - /* tv size */ - dss_mgr_set_timings(&hdmi->output, vm); - r = dss_mgr_enable(&hdmi->output); if (r) goto err_mgr_enable; @@ -268,19 +247,8 @@ static void hdmi_power_off_full(struct omap_hdmi *hdmi) hdmi_power_off_core(hdmi); } -static int hdmi_display_check_timing(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - if (!dispc_mgr_timings_ok(hdmi->dss->dispc, dssdev->dispc_channel, vm)) - return -EINVAL; - - return 0; -} - -static void hdmi_display_set_timing(struct omap_dss_device *dssdev, - struct videomode *vm) +static void hdmi_display_set_timings(struct omap_dss_device *dssdev, + const struct videomode *vm) { struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); @@ -293,14 +261,6 @@ static void hdmi_display_set_timing(struct omap_dss_device *dssdev, mutex_unlock(&hdmi->lock); } -static void hdmi_display_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - *vm = hdmi->cfg.vm; -} - static int hdmi_dump_regs(struct seq_file *s, void *p) { struct omap_hdmi *hdmi = s->private; @@ -459,44 +419,25 @@ static void hdmi_core_disable(struct omap_hdmi *hdmi) mutex_unlock(&hdmi->lock); } -static int hdmi_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int hdmi_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); int r; - r = hdmi_init_regulator(hdmi); - if (r) - return r; - - r = dss_mgr_connect(&hdmi->output, dssdev); + r = omapdss_device_connect(dst->dss, dst, dst->next); if (r) return r; - r = omapdss_output_set_device(dssdev, dst); - if (r) { - DSSERR("failed to connect output to new device: %s\n", - dst->name); - dss_mgr_disconnect(&hdmi->output, dssdev); - return r; - } - + dst->dispc_channel_connected = true; return 0; } -static void hdmi_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void hdmi_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - WARN_ON(dst != dssdev->dst); + dst->dispc_channel_connected = false; - if (dst != dssdev->dst) - return; - - omapdss_output_unset_device(dssdev); - - dss_mgr_disconnect(&hdmi->output, dssdev); + omapdss_device_disconnect(dst, dst->next); } static int hdmi_read_edid(struct omap_dss_device *dssdev, @@ -540,68 +481,27 @@ static int hdmi_set_hdmi_mode(struct omap_dss_device *dssdev, return 0; } -static const struct omapdss_hdmi_ops hdmi_ops = { +static const struct omap_dss_device_ops hdmi_ops = { .connect = hdmi_connect, .disconnect = hdmi_disconnect, .enable = hdmi_display_enable, .disable = hdmi_display_disable, - .check_timings = hdmi_display_check_timing, - .set_timings = hdmi_display_set_timing, - .get_timings = hdmi_display_get_timings, + .set_timings = hdmi_display_set_timings, .read_edid = hdmi_read_edid, - .set_infoframe = hdmi_set_infoframe, - .set_hdmi_mode = hdmi_set_hdmi_mode, -}; - -static void hdmi_init_output(struct omap_hdmi *hdmi) -{ - struct omap_dss_device *out = &hdmi->output; - - out->dev = &hdmi->pdev->dev; - out->id = OMAP_DSS_OUTPUT_HDMI; - out->output_type = OMAP_DISPLAY_TYPE_HDMI; - out->name = "hdmi.0"; - out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; - out->ops.hdmi = &hdmi_ops; - out->owner = THIS_MODULE; - - omapdss_register_output(out); -} - -static void hdmi_uninit_output(struct omap_hdmi *hdmi) -{ - struct omap_dss_device *out = &hdmi->output; - - omapdss_unregister_output(out); -} - -static int hdmi_probe_of(struct omap_hdmi *hdmi) -{ - struct platform_device *pdev = hdmi->pdev; - struct device_node *node = pdev->dev.of_node; - struct device_node *ep; - int r; - - ep = of_graph_get_endpoint_by_regs(node, 0, 0); - if (!ep) - return 0; - - r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy); - if (r) - goto err; - of_node_put(ep); - return 0; + .hdmi = { + .set_infoframe = hdmi_set_infoframe, + .set_hdmi_mode = hdmi_set_hdmi_mode, + }, +}; -err: - of_node_put(ep); - return r; -} +/* ----------------------------------------------------------------------------- + * Audio Callbacks + */ -/* Audio callbacks */ static int hdmi_audio_startup(struct device *dev, void (*abort_cb)(struct device *dev)) { @@ -722,27 +622,136 @@ static int hdmi_audio_register(struct omap_hdmi *hdmi) return 0; } -/* HDMI HW IP initialisation */ +/* ----------------------------------------------------------------------------- + * Component Bind & Unbind + */ + static int hdmi5_bind(struct device *dev, struct device *master, void *data) { - struct platform_device *pdev = to_platform_device(dev); struct dss_device *dss = dss_get_device(master); - struct omap_hdmi *hdmi; + struct omap_hdmi *hdmi = dev_get_drvdata(dev); + int r; + + hdmi->dss = dss; + + r = hdmi_pll_init(dss, hdmi->pdev, &hdmi->pll, &hdmi->wp); + if (r) + return r; + + r = hdmi_audio_register(hdmi); + if (r) { + DSSERR("Registering HDMI audio failed %d\n", r); + goto err_pll_uninit; + } + + hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs, + hdmi); + + return 0; + +err_pll_uninit: + hdmi_pll_uninit(&hdmi->pll); + return r; +} + +static void hdmi5_unbind(struct device *dev, struct device *master, void *data) +{ + struct omap_hdmi *hdmi = dev_get_drvdata(dev); + + dss_debugfs_remove_file(hdmi->debugfs); + + if (hdmi->audio_pdev) + platform_device_unregister(hdmi->audio_pdev); + + hdmi_pll_uninit(&hdmi->pll); +} + +static const struct component_ops hdmi5_component_ops = { + .bind = hdmi5_bind, + .unbind = hdmi5_unbind, +}; + +/* ----------------------------------------------------------------------------- + * Probe & Remove, Suspend & Resume + */ + +static int hdmi5_init_output(struct omap_hdmi *hdmi) +{ + struct omap_dss_device *out = &hdmi->output; + int r; + + out->dev = &hdmi->pdev->dev; + out->id = OMAP_DSS_OUTPUT_HDMI; + out->output_type = OMAP_DISPLAY_TYPE_HDMI; + out->name = "hdmi.0"; + out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; + out->ops = &hdmi_ops; + out->owner = THIS_MODULE; + out->of_ports = BIT(0); + out->ops_flags = OMAP_DSS_DEVICE_OP_EDID; + + out->next = omapdss_of_find_connected_device(out->dev->of_node, 0); + if (IS_ERR(out->next)) { + if (PTR_ERR(out->next) != -EPROBE_DEFER) + dev_err(out->dev, "failed to find video sink\n"); + return PTR_ERR(out->next); + } + + r = omapdss_output_validate(out); + if (r) { + omapdss_device_put(out->next); + out->next = NULL; + return r; + } + + omapdss_device_register(out); + + return 0; +} + +static void hdmi5_uninit_output(struct omap_hdmi *hdmi) +{ + struct omap_dss_device *out = &hdmi->output; + + if (out->next) + omapdss_device_put(out->next); + omapdss_device_unregister(out); +} + +static int hdmi5_probe_of(struct omap_hdmi *hdmi) +{ + struct platform_device *pdev = hdmi->pdev; + struct device_node *node = pdev->dev.of_node; + struct device_node *ep; int r; + + ep = of_graph_get_endpoint_by_regs(node, 0, 0); + if (!ep) + return 0; + + r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy); + of_node_put(ep); + return r; +} + +static int hdmi5_probe(struct platform_device *pdev) +{ + struct omap_hdmi *hdmi; int irq; + int r; hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL); if (!hdmi) return -ENOMEM; hdmi->pdev = pdev; - hdmi->dss = dss; + dev_set_drvdata(&pdev->dev, hdmi); mutex_init(&hdmi->lock); spin_lock_init(&hdmi->audio_playing_lock); - r = hdmi_probe_of(hdmi); + r = hdmi5_probe_of(hdmi); if (r) goto err_free; @@ -750,23 +759,19 @@ static int hdmi5_bind(struct device *dev, struct device *master, void *data) if (r) goto err_free; - r = hdmi_pll_init(dss, pdev, &hdmi->pll, &hdmi->wp); - if (r) - goto err_free; - r = hdmi_phy_init(pdev, &hdmi->phy, 5); if (r) - goto err_pll; + goto err_free; r = hdmi5_core_init(pdev, &hdmi->core); if (r) - goto err_pll; + goto err_free; irq = platform_get_irq(pdev, 0); if (irq < 0) { DSSERR("platform_get_irq failed\n"); r = -ENODEV; - goto err_pll; + goto err_free; } r = devm_request_threaded_irq(&pdev->dev, irq, @@ -774,64 +779,49 @@ static int hdmi5_bind(struct device *dev, struct device *master, void *data) IRQF_ONESHOT, "OMAP HDMI", hdmi); if (r) { DSSERR("HDMI IRQ request failed\n"); - goto err_pll; + goto err_free; } - pm_runtime_enable(&pdev->dev); + hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda"); + if (IS_ERR(hdmi->vdda_reg)) { + r = PTR_ERR(hdmi->vdda_reg); + if (r != -EPROBE_DEFER) + DSSERR("can't get VDDA regulator\n"); + goto err_free; + } - hdmi_init_output(hdmi); + pm_runtime_enable(&pdev->dev); - r = hdmi_audio_register(hdmi); - if (r) { - DSSERR("Registering HDMI audio failed %d\n", r); - hdmi_uninit_output(hdmi); - pm_runtime_disable(&pdev->dev); - return r; - } + r = hdmi5_init_output(hdmi); + if (r) + goto err_pm_disable; - hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs, - hdmi); + r = component_add(&pdev->dev, &hdmi5_component_ops); + if (r) + goto err_uninit_output; return 0; -err_pll: - hdmi_pll_uninit(&hdmi->pll); +err_uninit_output: + hdmi5_uninit_output(hdmi); +err_pm_disable: + pm_runtime_disable(&pdev->dev); err_free: kfree(hdmi); return r; } -static void hdmi5_unbind(struct device *dev, struct device *master, void *data) +static int hdmi5_remove(struct platform_device *pdev) { - struct omap_hdmi *hdmi = dev_get_drvdata(dev); - - dss_debugfs_remove_file(hdmi->debugfs); + struct omap_hdmi *hdmi = platform_get_drvdata(pdev); - if (hdmi->audio_pdev) - platform_device_unregister(hdmi->audio_pdev); - - hdmi_uninit_output(hdmi); + component_del(&pdev->dev, &hdmi5_component_ops); - hdmi_pll_uninit(&hdmi->pll); + hdmi5_uninit_output(hdmi); - pm_runtime_disable(dev); + pm_runtime_disable(&pdev->dev); kfree(hdmi); -} - -static const struct component_ops hdmi5_component_ops = { - .bind = hdmi5_bind, - .unbind = hdmi5_unbind, -}; - -static int hdmi5_probe(struct platform_device *pdev) -{ - return component_add(&pdev->dev, &hdmi5_component_ops); -} - -static int hdmi5_remove(struct platform_device *pdev) -{ - component_del(&pdev->dev, &hdmi5_component_ops); return 0; } diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c index 2282e48574c6..02efabc7ed76 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c @@ -287,7 +287,7 @@ void hdmi5_core_dump(struct hdmi_core_data *core, struct seq_file *s) } static void hdmi_core_init(struct hdmi_core_vid_config *video_cfg, - struct hdmi_config *cfg) + const struct hdmi_config *cfg) { DSSDBG("hdmi_core_init\n"); @@ -325,10 +325,10 @@ static void hdmi_core_init(struct hdmi_core_vid_config *video_cfg, /* DSS_HDMI_CORE_VIDEO_CONFIG */ static void hdmi_core_video_config(struct hdmi_core_data *core, - struct hdmi_core_vid_config *cfg) + const struct hdmi_core_vid_config *cfg) { void __iomem *base = core->base; - struct videomode *vm = &cfg->v_fc_config.vm; + const struct videomode *vm = &cfg->v_fc_config.vm; unsigned char r = 0; bool vsync_pol, hsync_pol; diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c b/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c index 53bc5f78050c..100efb9f08c6 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c @@ -131,7 +131,7 @@ void hdmi_wp_video_stop(struct hdmi_wp_data *wp) } void hdmi_wp_video_config_format(struct hdmi_wp_data *wp, - struct hdmi_video_format *video_fmt) + const struct hdmi_video_format *video_fmt) { u32 l = 0; @@ -144,7 +144,7 @@ void hdmi_wp_video_config_format(struct hdmi_wp_data *wp, } void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp, - struct videomode *vm) + const struct videomode *vm) { u32 r; bool vsync_inv, hsync_inv; @@ -164,7 +164,7 @@ void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp, } void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp, - struct videomode *vm) + const struct videomode *vm) { u32 timing_h = 0; u32 timing_v = 0; @@ -193,7 +193,7 @@ void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp, } void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt, - struct videomode *vm, struct hdmi_config *param) + struct videomode *vm, const struct hdmi_config *param) { DSSDBG("Enter hdmi_wp_video_init_format\n"); diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index 14d74adb13fb..1f698a95a94a 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -296,117 +296,14 @@ struct omap_dss_writeback_info { u8 pre_mult_alpha; }; -struct omapdss_dpi_ops { - int (*connect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - - int (*enable)(struct omap_dss_device *dssdev); - void (*disable)(struct omap_dss_device *dssdev); - - int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*set_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*get_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); -}; - -struct omapdss_sdi_ops { - int (*connect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - - int (*enable)(struct omap_dss_device *dssdev); - void (*disable)(struct omap_dss_device *dssdev); - - int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*set_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*get_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); -}; - -struct omapdss_dvi_ops { - int (*connect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - - int (*enable)(struct omap_dss_device *dssdev); - void (*disable)(struct omap_dss_device *dssdev); - - int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*set_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*get_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); -}; - -struct omapdss_atv_ops { - int (*connect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - - int (*enable)(struct omap_dss_device *dssdev); - void (*disable)(struct omap_dss_device *dssdev); - - int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*set_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*get_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - - int (*set_wss)(struct omap_dss_device *dssdev, u32 wss); - u32 (*get_wss)(struct omap_dss_device *dssdev); -}; - struct omapdss_hdmi_ops { - int (*connect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - - int (*enable)(struct omap_dss_device *dssdev); - void (*disable)(struct omap_dss_device *dssdev); - - int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*set_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*get_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - - int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len); void (*lost_hotplug)(struct omap_dss_device *dssdev); - bool (*detect)(struct omap_dss_device *dssdev); - - int (*register_hpd_cb)(struct omap_dss_device *dssdev, - void (*cb)(void *cb_data, - enum drm_connector_status status), - void *cb_data); - void (*unregister_hpd_cb)(struct omap_dss_device *dssdev); - void (*enable_hpd)(struct omap_dss_device *dssdev); - void (*disable_hpd)(struct omap_dss_device *dssdev); - int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode); int (*set_infoframe)(struct omap_dss_device *dssdev, const struct hdmi_avi_infoframe *avi); }; struct omapdss_dsi_ops { - int (*connect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - - int (*enable)(struct omap_dss_device *dssdev); void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes, bool enter_ulps); @@ -457,53 +354,95 @@ struct omapdss_dsi_ops { int channel, u16 plen); }; +struct omap_dss_device_ops { + int (*connect)(struct omap_dss_device *dssdev, + struct omap_dss_device *dst); + void (*disconnect)(struct omap_dss_device *dssdev, + struct omap_dss_device *dst); + + int (*enable)(struct omap_dss_device *dssdev); + void (*disable)(struct omap_dss_device *dssdev); + + int (*check_timings)(struct omap_dss_device *dssdev, + struct videomode *vm); + void (*get_timings)(struct omap_dss_device *dssdev, + struct videomode *vm); + void (*set_timings)(struct omap_dss_device *dssdev, + const struct videomode *vm); + + bool (*detect)(struct omap_dss_device *dssdev); + + void (*register_hpd_cb)(struct omap_dss_device *dssdev, + void (*cb)(void *cb_data, + enum drm_connector_status status), + void *cb_data); + void (*unregister_hpd_cb)(struct omap_dss_device *dssdev); + + int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len); + + union { + const struct omapdss_hdmi_ops hdmi; + const struct omapdss_dsi_ops dsi; + }; +}; + +/** + * enum omap_dss_device_ops_flag - Indicates which device ops are supported + * @OMAP_DSS_DEVICE_OP_DETECT: The device supports output connection detection + * @OMAP_DSS_DEVICE_OP_HPD: The device supports all hot-plug-related operations + * @OMAP_DSS_DEVICE_OP_EDID: The device supports readind EDID + */ +enum omap_dss_device_ops_flag { + OMAP_DSS_DEVICE_OP_DETECT = BIT(0), + OMAP_DSS_DEVICE_OP_HPD = BIT(1), + OMAP_DSS_DEVICE_OP_EDID = BIT(2), +}; + +enum omap_dss_device_type { + OMAP_DSS_DEVICE_TYPE_OUTPUT = (1 << 0), + OMAP_DSS_DEVICE_TYPE_DISPLAY = (1 << 1), +}; + struct omap_dss_device { struct kobject kobj; struct device *dev; struct module *owner; - struct list_head panel_list; + struct dss_device *dss; + struct omap_dss_device *src; + struct omap_dss_device *dst; + struct omap_dss_device *next; + + struct list_head list; - /* alias in the form of "display%d" */ - char alias[16]; + unsigned int alias_id; enum omap_display_type type; + /* + * DSS output type that this device generates (for DSS internal devices) + * or requires (for external encoders). Must be OMAP_DISPLAY_TYPE_NONE + * for display devices (connectors and panels) and to non-zero value for + * all other devices. + */ enum omap_display_type output_type; - struct { - struct videomode vm; - - enum omap_dss_dsi_pixel_format dsi_pix_fmt; - enum omap_dss_dsi_mode dsi_mode; - } panel; - const char *name; - struct omap_dss_driver *driver; - - union { - const struct omapdss_dpi_ops *dpi; - const struct omapdss_sdi_ops *sdi; - const struct omapdss_dvi_ops *dvi; - const struct omapdss_hdmi_ops *hdmi; - const struct omapdss_atv_ops *atv; - const struct omapdss_dsi_ops *dsi; - } ops; + const struct omap_dss_driver *driver; + const struct omap_dss_device_ops *ops; + unsigned long ops_flags; + unsigned long bus_flags; /* helper variable for driver suspend/resume */ bool activate_after_resume; enum omap_display_caps caps; - struct omap_dss_device *src; - enum omap_dss_display_state state; /* OMAP DSS output specific fields */ - struct list_head list; - /* DISPC channel for this output */ enum omap_channel dispc_channel; bool dispc_channel_connected; @@ -511,24 +450,11 @@ struct omap_dss_device { /* output instance */ enum omap_dss_output_id id; - /* the port number in the DT node */ - int port_num; - - /* dynamic fields */ - struct omap_dss_device *dst; + /* bitmask of port numbers in DT */ + unsigned int of_ports; }; struct omap_dss_driver { - int (*probe)(struct omap_dss_device *); - void (*remove)(struct omap_dss_device *); - - int (*connect)(struct omap_dss_device *dssdev); - void (*disconnect)(struct omap_dss_device *dssdev); - - int (*enable)(struct omap_dss_device *display); - void (*disable)(struct omap_dss_device *display); - int (*run_test)(struct omap_dss_device *display, int test); - int (*update)(struct omap_dss_device *dssdev, u16 x, u16 y, u16 w, u16 h); int (*sync)(struct omap_dss_device *dssdev); @@ -536,42 +462,12 @@ struct omap_dss_driver { int (*enable_te)(struct omap_dss_device *dssdev, bool enable); int (*get_te)(struct omap_dss_device *dssdev); - u8 (*get_rotate)(struct omap_dss_device *dssdev); - int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate); - - bool (*get_mirror)(struct omap_dss_device *dssdev); - int (*set_mirror)(struct omap_dss_device *dssdev, bool enable); - int (*memory_read)(struct omap_dss_device *dssdev, void *buf, size_t size, u16 x, u16 y, u16 w, u16 h); - int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*set_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*get_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); void (*get_size)(struct omap_dss_device *dssdev, unsigned int *width, unsigned int *height); - - int (*set_wss)(struct omap_dss_device *dssdev, u32 wss); - u32 (*get_wss)(struct omap_dss_device *dssdev); - - int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len); - bool (*detect)(struct omap_dss_device *dssdev); - - int (*register_hpd_cb)(struct omap_dss_device *dssdev, - void (*cb)(void *cb_data, - enum drm_connector_status status), - void *cb_data); - void (*unregister_hpd_cb)(struct omap_dss_device *dssdev); - void (*enable_hpd)(struct omap_dss_device *dssdev); - void (*disable_hpd)(struct omap_dss_device *dssdev); - - int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode); - int (*set_hdmi_infoframe)(struct omap_dss_device *dssdev, - const struct hdmi_avi_infoframe *avi); }; struct dss_device *omapdss_get_dss(void); @@ -581,27 +477,32 @@ static inline bool omapdss_is_initialized(void) return !!omapdss_get_dss(); } -int omapdss_register_display(struct omap_dss_device *dssdev); -void omapdss_unregister_display(struct omap_dss_device *dssdev); - -struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev); -void omap_dss_put_device(struct omap_dss_device *dssdev); -#define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL) -struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from); +#define for_each_dss_display(d) \ + while ((d = omapdss_device_get_next(d, OMAP_DSS_DEVICE_TYPE_DISPLAY)) != NULL) +void omapdss_display_init(struct omap_dss_device *dssdev); +struct omap_dss_device *omapdss_display_get(struct omap_dss_device *output); + +void omapdss_device_register(struct omap_dss_device *dssdev); +void omapdss_device_unregister(struct omap_dss_device *dssdev); +struct omap_dss_device *omapdss_device_get(struct omap_dss_device *dssdev); +void omapdss_device_put(struct omap_dss_device *dssdev); +struct omap_dss_device *omapdss_find_device_by_port(struct device_node *src, + unsigned int port); +struct omap_dss_device *omapdss_device_get_next(struct omap_dss_device *from, + enum omap_dss_device_type type); +int omapdss_device_connect(struct dss_device *dss, + struct omap_dss_device *src, + struct omap_dss_device *dst); +void omapdss_device_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst); int omap_dss_get_num_overlay_managers(void); int omap_dss_get_num_overlays(void); -int omapdss_register_output(struct omap_dss_device *output); -void omapdss_unregister_output(struct omap_dss_device *output); -struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id); -struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port); -int omapdss_output_set_device(struct omap_dss_device *out, - struct omap_dss_device *dssdev); -int omapdss_output_unset_device(struct omap_dss_device *out); - -struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev); +#define for_each_dss_output(d) \ + while ((d = omapdss_device_get_next(d, OMAP_DSS_DEVICE_TYPE_OUTPUT)) != NULL) +int omapdss_output_validate(struct omap_dss_device *out); typedef void (*omap_dispc_isr_t) (void *arg, u32 mask); int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask); @@ -621,10 +522,7 @@ static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev) } struct omap_dss_device * -omapdss_of_find_source_for_first_ep(struct device_node *node); - -struct device_node *dss_of_port_get_parent_device(struct device_node *port); -u32 dss_of_port_get_port_number(struct device_node *port); +omapdss_of_find_connected_device(struct device_node *node, unsigned int port); enum dss_writeback_channel { DSS_WB_LCD1_MGR = 0, @@ -638,13 +536,6 @@ enum dss_writeback_channel { }; struct dss_mgr_ops { - int (*connect)(struct omap_drm_private *priv, - enum omap_channel channel, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_drm_private *priv, - enum omap_channel channel, - struct omap_dss_device *dst); - void (*start_update)(struct omap_drm_private *priv, enum omap_channel channel); int (*enable)(struct omap_drm_private *priv, @@ -665,14 +556,11 @@ struct dss_mgr_ops { void (*handler)(void *), void *data); }; -int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops, +int dss_install_mgr_ops(struct dss_device *dss, + const struct dss_mgr_ops *mgr_ops, struct omap_drm_private *priv); -void dss_uninstall_mgr_ops(void); +void dss_uninstall_mgr_ops(struct dss_device *dss); -int dss_mgr_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); -void dss_mgr_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); void dss_mgr_set_timings(struct omap_dss_device *dssdev, const struct videomode *vm); void dss_mgr_set_lcd_config(struct omap_dss_device *dssdev, @@ -720,13 +608,14 @@ struct dispc_ops { void (*mgr_set_lcd_config)(struct dispc_device *dispc, enum omap_channel channel, const struct dss_lcd_mgr_config *config); + int (*mgr_check_timings)(struct dispc_device *dispc, + enum omap_channel channel, + const struct videomode *vm); void (*mgr_set_timings)(struct dispc_device *dispc, enum omap_channel channel, const struct videomode *vm); void (*mgr_setup)(struct dispc_device *dispc, enum omap_channel channel, const struct omap_overlay_manager_info *info); - enum omap_dss_output_id (*mgr_get_supported_outputs)( - struct dispc_device *dispc, enum omap_channel channel); u32 (*mgr_gamma_size)(struct dispc_device *dispc, enum omap_channel channel); void (*mgr_set_gamma)(struct dispc_device *dispc, @@ -757,9 +646,6 @@ struct dispc_ops { struct dispc_device *dispc_get_dispc(struct dss_device *dss); const struct dispc_ops *dispc_get_ops(struct dss_device *dss); -bool omapdss_component_is_display(struct device_node *node); -bool omapdss_component_is_output(struct device_node *node); - bool omapdss_stack_is_ready(void); void omapdss_gather_components(struct device *dev); diff --git a/drivers/gpu/drm/omapdrm/dss/output.c b/drivers/gpu/drm/omapdrm/dss/output.c index 96b9d4cd505f..18505bc70f7e 100644 --- a/drivers/gpu/drm/omapdrm/dss/output.c +++ b/drivers/gpu/drm/omapdrm/dss/output.c @@ -21,238 +21,96 @@ #include <linux/slab.h> #include <linux/of.h> +#include "dss.h" #include "omapdss.h" -static LIST_HEAD(output_list); -static DEFINE_MUTEX(output_lock); - -int omapdss_output_set_device(struct omap_dss_device *out, - struct omap_dss_device *dssdev) +int omapdss_output_validate(struct omap_dss_device *out) { - int r; - - mutex_lock(&output_lock); - - if (out->dst) { - dev_err(out->dev, - "output already has device %s connected to it\n", - out->dst->name); - r = -EINVAL; - goto err; - } - - if (out->output_type != dssdev->type) { + if (out->next && out->output_type != out->next->type) { dev_err(out->dev, "output type and display type don't match\n"); - r = -EINVAL; - goto err; - } - - out->dst = dssdev; - dssdev->src = out; - - mutex_unlock(&output_lock); - - return 0; -err: - mutex_unlock(&output_lock); - - return r; -} -EXPORT_SYMBOL(omapdss_output_set_device); - -int omapdss_output_unset_device(struct omap_dss_device *out) -{ - int r; - - mutex_lock(&output_lock); - - if (!out->dst) { - dev_err(out->dev, - "output doesn't have a device connected to it\n"); - r = -EINVAL; - goto err; + return -EINVAL; } - if (out->dst->state != OMAP_DSS_DISPLAY_DISABLED) { - dev_err(out->dev, - "device %s is not disabled, cannot unset device\n", - out->dst->name); - r = -EINVAL; - goto err; - } - - out->dst->src = NULL; - out->dst = NULL; - - mutex_unlock(&output_lock); - - return 0; -err: - mutex_unlock(&output_lock); - - return r; -} -EXPORT_SYMBOL(omapdss_output_unset_device); - -int omapdss_register_output(struct omap_dss_device *out) -{ - list_add_tail(&out->list, &output_list); return 0; } -EXPORT_SYMBOL(omapdss_register_output); - -void omapdss_unregister_output(struct omap_dss_device *out) -{ - list_del(&out->list); -} -EXPORT_SYMBOL(omapdss_unregister_output); - -bool omapdss_component_is_output(struct device_node *node) -{ - struct omap_dss_device *out; - - list_for_each_entry(out, &output_list, list) { - if (out->dev->of_node == node) - return true; - } +EXPORT_SYMBOL(omapdss_output_validate); - return false; -} -EXPORT_SYMBOL(omapdss_component_is_output); - -struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id) -{ - struct omap_dss_device *out; - - list_for_each_entry(out, &output_list, list) { - if (out->id == id) - return out; - } - - return NULL; -} -EXPORT_SYMBOL(omap_dss_get_output); - -struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port) -{ - struct device_node *src_node; - struct omap_dss_device *out; - u32 reg; - - src_node = dss_of_port_get_parent_device(port); - if (!src_node) - return NULL; - - reg = dss_of_port_get_port_number(port); - - list_for_each_entry(out, &output_list, list) { - if (out->dev->of_node == src_node && out->port_num == reg) { - of_node_put(src_node); - return omap_dss_get_device(out); - } - } - - of_node_put(src_node); - - return NULL; -} - -struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev) -{ - while (dssdev->src) - dssdev = dssdev->src; - - if (dssdev->id != 0) - return omap_dss_get_device(dssdev); - - return NULL; -} -EXPORT_SYMBOL(omapdss_find_output_from_display); - -static const struct dss_mgr_ops *dss_mgr_ops; -static struct omap_drm_private *dss_mgr_ops_priv; - -int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops, +int dss_install_mgr_ops(struct dss_device *dss, + const struct dss_mgr_ops *mgr_ops, struct omap_drm_private *priv) { - if (dss_mgr_ops) + if (dss->mgr_ops) return -EBUSY; - dss_mgr_ops = mgr_ops; - dss_mgr_ops_priv = priv; + dss->mgr_ops = mgr_ops; + dss->mgr_ops_priv = priv; return 0; } EXPORT_SYMBOL(dss_install_mgr_ops); -void dss_uninstall_mgr_ops(void) +void dss_uninstall_mgr_ops(struct dss_device *dss) { - dss_mgr_ops = NULL; - dss_mgr_ops_priv = NULL; + dss->mgr_ops = NULL; + dss->mgr_ops_priv = NULL; } EXPORT_SYMBOL(dss_uninstall_mgr_ops); -int dss_mgr_connect(struct omap_dss_device *dssdev, struct omap_dss_device *dst) -{ - return dss_mgr_ops->connect(dss_mgr_ops_priv, - dssdev->dispc_channel, dst); -} -EXPORT_SYMBOL(dss_mgr_connect); - -void dss_mgr_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) -{ - dss_mgr_ops->disconnect(dss_mgr_ops_priv, dssdev->dispc_channel, dst); -} -EXPORT_SYMBOL(dss_mgr_disconnect); - void dss_mgr_set_timings(struct omap_dss_device *dssdev, const struct videomode *vm) { - dss_mgr_ops->set_timings(dss_mgr_ops_priv, dssdev->dispc_channel, vm); + dssdev->dss->mgr_ops->set_timings(dssdev->dss->mgr_ops_priv, + dssdev->dispc_channel, vm); } EXPORT_SYMBOL(dss_mgr_set_timings); void dss_mgr_set_lcd_config(struct omap_dss_device *dssdev, const struct dss_lcd_mgr_config *config) { - dss_mgr_ops->set_lcd_config(dss_mgr_ops_priv, - dssdev->dispc_channel, config); + dssdev->dss->mgr_ops->set_lcd_config(dssdev->dss->mgr_ops_priv, + dssdev->dispc_channel, config); } EXPORT_SYMBOL(dss_mgr_set_lcd_config); int dss_mgr_enable(struct omap_dss_device *dssdev) { - return dss_mgr_ops->enable(dss_mgr_ops_priv, dssdev->dispc_channel); + return dssdev->dss->mgr_ops->enable(dssdev->dss->mgr_ops_priv, + dssdev->dispc_channel); } EXPORT_SYMBOL(dss_mgr_enable); void dss_mgr_disable(struct omap_dss_device *dssdev) { - dss_mgr_ops->disable(dss_mgr_ops_priv, dssdev->dispc_channel); + dssdev->dss->mgr_ops->disable(dssdev->dss->mgr_ops_priv, + dssdev->dispc_channel); } EXPORT_SYMBOL(dss_mgr_disable); void dss_mgr_start_update(struct omap_dss_device *dssdev) { - dss_mgr_ops->start_update(dss_mgr_ops_priv, dssdev->dispc_channel); + dssdev->dss->mgr_ops->start_update(dssdev->dss->mgr_ops_priv, + dssdev->dispc_channel); } EXPORT_SYMBOL(dss_mgr_start_update); int dss_mgr_register_framedone_handler(struct omap_dss_device *dssdev, void (*handler)(void *), void *data) { - return dss_mgr_ops->register_framedone_handler(dss_mgr_ops_priv, - dssdev->dispc_channel, - handler, data); + struct dss_device *dss = dssdev->dss; + + return dss->mgr_ops->register_framedone_handler(dss->mgr_ops_priv, + dssdev->dispc_channel, + handler, data); } EXPORT_SYMBOL(dss_mgr_register_framedone_handler); void dss_mgr_unregister_framedone_handler(struct omap_dss_device *dssdev, void (*handler)(void *), void *data) { - dss_mgr_ops->unregister_framedone_handler(dss_mgr_ops_priv, - dssdev->dispc_channel, - handler, data); + struct dss_device *dss = dssdev->dss; + + dss->mgr_ops->unregister_framedone_handler(dss->mgr_ops_priv, + dssdev->dispc_channel, + handler, data); } EXPORT_SYMBOL(dss_mgr_unregister_framedone_handler); diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c b/drivers/gpu/drm/omapdrm/dss/sdi.c index 69c3b7a3d5c7..b2fe2387037a 100644 --- a/drivers/gpu/drm/omapdrm/dss/sdi.c +++ b/drivers/gpu/drm/omapdrm/dss/sdi.c @@ -132,10 +132,8 @@ static void sdi_config_lcd_manager(struct sdi_device *sdi) static int sdi_display_enable(struct omap_dss_device *dssdev) { struct sdi_device *sdi = dssdev_to_sdi(dssdev); - struct videomode *vm = &sdi->vm; - unsigned long fck; struct dispc_clock_info dispc_cinfo; - unsigned long pck; + unsigned long fck; int r; if (!sdi->output.dispc_channel_connected) { @@ -151,27 +149,12 @@ static int sdi_display_enable(struct omap_dss_device *dssdev) if (r) goto err_get_dispc; - /* 15.5.9.1.2 */ - vm->flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE | DISPLAY_FLAGS_SYNC_POSEDGE; - - r = sdi_calc_clock_div(sdi, vm->pixelclock, &fck, &dispc_cinfo); + r = sdi_calc_clock_div(sdi, sdi->vm.pixelclock, &fck, &dispc_cinfo); if (r) goto err_calc_clock_div; sdi->mgr_config.clock_info = dispc_cinfo; - pck = fck / dispc_cinfo.lck_div / dispc_cinfo.pck_div; - - if (pck != vm->pixelclock) { - DSSWARN("Could not find exact pixel clock. Requested %lu Hz, got %lu Hz\n", - vm->pixelclock, pck); - - vm->pixelclock = pck; - } - - - dss_mgr_set_timings(&sdi->output, vm); - r = dss_set_fck_rate(sdi->dss, fck); if (r) goto err_set_dss_clock_div; @@ -230,96 +213,63 @@ static void sdi_display_disable(struct omap_dss_device *dssdev) } static void sdi_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) + const struct videomode *vm) { struct sdi_device *sdi = dssdev_to_sdi(dssdev); sdi->vm = *vm; } -static void sdi_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct sdi_device *sdi = dssdev_to_sdi(dssdev); - - *vm = sdi->vm; -} - static int sdi_check_timings(struct omap_dss_device *dssdev, struct videomode *vm) { struct sdi_device *sdi = dssdev_to_sdi(dssdev); - enum omap_channel channel = dssdev->dispc_channel; - - if (!dispc_mgr_timings_ok(sdi->dss->dispc, channel, vm)) - return -EINVAL; + struct dispc_clock_info dispc_cinfo; + unsigned long fck; + unsigned long pck; + int r; if (vm->pixelclock == 0) return -EINVAL; - return 0; -} + r = sdi_calc_clock_div(sdi, vm->pixelclock, &fck, &dispc_cinfo); + if (r) + return r; -static int sdi_init_regulator(struct sdi_device *sdi) -{ - struct regulator *vdds_sdi; + pck = fck / dispc_cinfo.lck_div / dispc_cinfo.pck_div; - if (sdi->vdds_sdi_reg) - return 0; + if (pck != vm->pixelclock) { + DSSWARN("Pixel clock adjusted from %lu Hz to %lu Hz\n", + vm->pixelclock, pck); - vdds_sdi = devm_regulator_get(&sdi->pdev->dev, "vdds_sdi"); - if (IS_ERR(vdds_sdi)) { - if (PTR_ERR(vdds_sdi) != -EPROBE_DEFER) - DSSERR("can't get VDDS_SDI regulator\n"); - return PTR_ERR(vdds_sdi); + vm->pixelclock = pck; } - sdi->vdds_sdi_reg = vdds_sdi; - return 0; } -static int sdi_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int sdi_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct sdi_device *sdi = dssdev_to_sdi(dssdev); int r; - r = sdi_init_regulator(sdi); + r = omapdss_device_connect(dst->dss, dst, dst->next); if (r) return r; - r = dss_mgr_connect(&sdi->output, dssdev); - if (r) - return r; - - r = omapdss_output_set_device(dssdev, dst); - if (r) { - DSSERR("failed to connect output to new device: %s\n", - dst->name); - dss_mgr_disconnect(&sdi->output, dssdev); - return r; - } - + dst->dispc_channel_connected = true; return 0; } -static void sdi_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void sdi_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct sdi_device *sdi = dssdev_to_sdi(dssdev); + dst->dispc_channel_connected = false; - WARN_ON(dst != dssdev->dst); - - if (dst != dssdev->dst) - return; - - omapdss_output_unset_device(dssdev); - - dss_mgr_disconnect(&sdi->output, dssdev); + omapdss_device_disconnect(dst, dst->next); } -static const struct omapdss_sdi_ops sdi_ops = { +static const struct omap_dss_device_ops sdi_ops = { .connect = sdi_connect, .disconnect = sdi_disconnect, @@ -328,12 +278,12 @@ static const struct omapdss_sdi_ops sdi_ops = { .check_timings = sdi_check_timings, .set_timings = sdi_set_timings, - .get_timings = sdi_get_timings, }; -static void sdi_init_output(struct sdi_device *sdi) +static int sdi_init_output(struct sdi_device *sdi) { struct omap_dss_device *out = &sdi->output; + int r; out->dev = &sdi->pdev->dev; out->id = OMAP_DSS_OUTPUT_SDI; @@ -341,16 +291,36 @@ static void sdi_init_output(struct sdi_device *sdi) out->name = "sdi.0"; out->dispc_channel = OMAP_DSS_CHANNEL_LCD; /* We have SDI only on OMAP3, where it's on port 1 */ - out->port_num = 1; - out->ops.sdi = &sdi_ops; + out->of_ports = BIT(1); + out->ops = &sdi_ops; out->owner = THIS_MODULE; + out->bus_flags = DRM_BUS_FLAG_PIXDATA_POSEDGE /* 15.5.9.1.2 */ + | DRM_BUS_FLAG_SYNC_POSEDGE; + + out->next = omapdss_of_find_connected_device(out->dev->of_node, 1); + if (IS_ERR(out->next)) { + if (PTR_ERR(out->next) != -EPROBE_DEFER) + dev_err(out->dev, "failed to find video sink\n"); + return PTR_ERR(out->next); + } - omapdss_register_output(out); + r = omapdss_output_validate(out); + if (r) { + omapdss_device_put(out->next); + out->next = NULL; + return r; + } + + omapdss_device_register(out); + + return 0; } static void sdi_uninit_output(struct sdi_device *sdi) { - omapdss_unregister_output(&sdi->output); + if (sdi->output.next) + omapdss_device_put(sdi->output.next); + omapdss_device_unregister(&sdi->output); } int sdi_init_port(struct dss_device *dss, struct platform_device *pdev, @@ -372,25 +342,32 @@ int sdi_init_port(struct dss_device *dss, struct platform_device *pdev, } r = of_property_read_u32(ep, "datapairs", &datapairs); + of_node_put(ep); if (r) { DSSERR("failed to parse datapairs\n"); - goto err_datapairs; + goto err_free; } sdi->datapairs = datapairs; sdi->dss = dss; - of_node_put(ep); - sdi->pdev = pdev; port->data = sdi; - sdi_init_output(sdi); + sdi->vdds_sdi_reg = devm_regulator_get(&pdev->dev, "vdds_sdi"); + if (IS_ERR(sdi->vdds_sdi_reg)) { + r = PTR_ERR(sdi->vdds_sdi_reg); + if (r != -EPROBE_DEFER) + DSSERR("can't get VDDS_SDI regulator\n"); + goto err_free; + } + + r = sdi_init_output(sdi); + if (r) + goto err_free; return 0; -err_datapairs: - of_node_put(ep); err_free: kfree(sdi); diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c index ac01907dcc34..ff0b18c8e4ac 100644 --- a/drivers/gpu/drm/omapdrm/dss/venc.c +++ b/drivers/gpu/drm/omapdrm/dss/venc.c @@ -452,7 +452,7 @@ static void venc_runtime_put(struct venc_device *venc) WARN_ON(r < 0 && r != -ENOSYS); } -static const struct venc_config *venc_timings_to_config(struct videomode *vm) +static const struct venc_config *venc_timings_to_config(const struct videomode *vm) { switch (venc_get_videomode(vm)) { default: @@ -491,8 +491,6 @@ static int venc_power_on(struct venc_device *venc) venc_write_reg(venc, VENC_OUTPUT_CONTROL, l); - dss_mgr_set_timings(&venc->output, &venc->vm); - r = regulator_enable(venc->vdda_dac_reg); if (r) goto err1; @@ -568,32 +566,30 @@ static void venc_display_disable(struct omap_dss_device *dssdev) mutex_unlock(&venc->venc_lock); } -static void venc_set_timings(struct omap_dss_device *dssdev, +static void venc_get_timings(struct omap_dss_device *dssdev, struct videomode *vm) { struct venc_device *venc = dssdev_to_venc(dssdev); - struct videomode actual_vm; + + mutex_lock(&venc->venc_lock); + *vm = venc->vm; + mutex_unlock(&venc->venc_lock); +} + +static void venc_set_timings(struct omap_dss_device *dssdev, + const struct videomode *vm) +{ + struct venc_device *venc = dssdev_to_venc(dssdev); DSSDBG("venc_set_timings\n"); mutex_lock(&venc->venc_lock); - switch (venc_get_videomode(vm)) { - default: - WARN_ON_ONCE(1); - case VENC_MODE_PAL: - actual_vm = omap_dss_pal_vm; - break; - case VENC_MODE_NTSC: - actual_vm = omap_dss_ntsc_vm; - break; - } - /* Reset WSS data when the TV standard changes. */ - if (memcmp(&venc->vm, &actual_vm, sizeof(actual_vm))) + if (memcmp(&venc->vm, vm, sizeof(*vm))) venc->wss_data = 0; - venc->vm = actual_vm; + venc->vm = *vm; dispc_set_tv_pclk(venc->dss->dispc, 13500000); @@ -607,80 +603,16 @@ static int venc_check_timings(struct omap_dss_device *dssdev, switch (venc_get_videomode(vm)) { case VENC_MODE_PAL: - case VENC_MODE_NTSC: + *vm = omap_dss_pal_vm; return 0; - default: - return -EINVAL; - } -} - -static void venc_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct venc_device *venc = dssdev_to_venc(dssdev); - - mutex_lock(&venc->venc_lock); - - *vm = venc->vm; - - mutex_unlock(&venc->venc_lock); -} - -static u32 venc_get_wss(struct omap_dss_device *dssdev) -{ - struct venc_device *venc = dssdev_to_venc(dssdev); - - /* Invert due to VENC_L21_WC_CTL:INV=1 */ - return (venc->wss_data >> 8) ^ 0xfffff; -} - -static int venc_set_wss(struct omap_dss_device *dssdev, u32 wss) -{ - struct venc_device *venc = dssdev_to_venc(dssdev); - const struct venc_config *config; - int r; - DSSDBG("venc_set_wss\n"); - - mutex_lock(&venc->venc_lock); - - config = venc_timings_to_config(&venc->vm); - - /* Invert due to VENC_L21_WC_CTL:INV=1 */ - venc->wss_data = (wss ^ 0xfffff) << 8; - - r = venc_runtime_get(venc); - if (r) - goto err; - - venc_write_reg(venc, VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data | - venc->wss_data); - - venc_runtime_put(venc); - -err: - mutex_unlock(&venc->venc_lock); - - return r; -} - -static int venc_init_regulator(struct venc_device *venc) -{ - struct regulator *vdda_dac; - - if (venc->vdda_dac_reg != NULL) + case VENC_MODE_NTSC: + *vm = omap_dss_ntsc_vm; return 0; - vdda_dac = devm_regulator_get(&venc->pdev->dev, "vdda"); - if (IS_ERR(vdda_dac)) { - if (PTR_ERR(vdda_dac) != -EPROBE_DEFER) - DSSERR("can't get VDDA_DAC regulator\n"); - return PTR_ERR(vdda_dac); + default: + return -EINVAL; } - - venc->vdda_dac_reg = vdda_dac; - - return 0; } static int venc_dump_regs(struct seq_file *s, void *p) @@ -760,47 +692,28 @@ static int venc_get_clocks(struct venc_device *venc) return 0; } -static int venc_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int venc_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct venc_device *venc = dssdev_to_venc(dssdev); int r; - r = venc_init_regulator(venc); - if (r) - return r; - - r = dss_mgr_connect(&venc->output, dssdev); + r = omapdss_device_connect(dst->dss, dst, dst->next); if (r) return r; - r = omapdss_output_set_device(dssdev, dst); - if (r) { - DSSERR("failed to connect output to new device: %s\n", - dst->name); - dss_mgr_disconnect(&venc->output, dssdev); - return r; - } - + dst->dispc_channel_connected = true; return 0; } -static void venc_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void venc_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct venc_device *venc = dssdev_to_venc(dssdev); - - WARN_ON(dst != dssdev->dst); - - if (dst != dssdev->dst) - return; - - omapdss_output_unset_device(dssdev); + dst->dispc_channel_connected = false; - dss_mgr_disconnect(&venc->output, dssdev); + omapdss_device_disconnect(dst, dst->next); } -static const struct omapdss_atv_ops venc_ops = { +static const struct omap_dss_device_ops venc_ops = { .connect = venc_connect, .disconnect = venc_disconnect, @@ -808,31 +721,92 @@ static const struct omapdss_atv_ops venc_ops = { .disable = venc_display_disable, .check_timings = venc_check_timings, - .set_timings = venc_set_timings, .get_timings = venc_get_timings, + .set_timings = venc_set_timings, +}; + +/* ----------------------------------------------------------------------------- + * Component Bind & Unbind + */ - .set_wss = venc_set_wss, - .get_wss = venc_get_wss, +static int venc_bind(struct device *dev, struct device *master, void *data) +{ + struct dss_device *dss = dss_get_device(master); + struct venc_device *venc = dev_get_drvdata(dev); + u8 rev_id; + int r; + + venc->dss = dss; + + r = venc_runtime_get(venc); + if (r) + return r; + + rev_id = (u8)(venc_read_reg(venc, VENC_REV_ID) & 0xff); + dev_dbg(dev, "OMAP VENC rev %d\n", rev_id); + + venc_runtime_put(venc); + + venc->debugfs = dss_debugfs_create_file(dss, "venc", venc_dump_regs, + venc); + + return 0; +} + +static void venc_unbind(struct device *dev, struct device *master, void *data) +{ + struct venc_device *venc = dev_get_drvdata(dev); + + dss_debugfs_remove_file(venc->debugfs); +} + +static const struct component_ops venc_component_ops = { + .bind = venc_bind, + .unbind = venc_unbind, }; -static void venc_init_output(struct venc_device *venc) +/* ----------------------------------------------------------------------------- + * Probe & Remove, Suspend & Resume + */ + +static int venc_init_output(struct venc_device *venc) { struct omap_dss_device *out = &venc->output; + int r; out->dev = &venc->pdev->dev; out->id = OMAP_DSS_OUTPUT_VENC; out->output_type = OMAP_DISPLAY_TYPE_VENC; out->name = "venc.0"; out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; - out->ops.atv = &venc_ops; + out->ops = &venc_ops; out->owner = THIS_MODULE; + out->of_ports = BIT(0); + + out->next = omapdss_of_find_connected_device(out->dev->of_node, 0); + if (IS_ERR(out->next)) { + if (PTR_ERR(out->next) != -EPROBE_DEFER) + dev_err(out->dev, "failed to find video sink\n"); + return PTR_ERR(out->next); + } - omapdss_register_output(out); + r = omapdss_output_validate(out); + if (r) { + omapdss_device_put(out->next); + out->next = NULL; + return r; + } + + omapdss_device_register(out); + + return 0; } static void venc_uninit_output(struct venc_device *venc) { - omapdss_unregister_output(&venc->output); + if (venc->output.next) + omapdss_device_put(venc->output.next); + omapdss_device_unregister(&venc->output); } static int venc_probe_of(struct venc_device *venc) @@ -878,19 +852,15 @@ err: return r; } -/* VENC HW IP initialisation */ static const struct soc_device_attribute venc_soc_devices[] = { { .machine = "OMAP3[45]*" }, { .machine = "AM35*" }, { /* sentinel */ } }; -static int venc_bind(struct device *dev, struct device *master, void *data) +static int venc_probe(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(dev); - struct dss_device *dss = dss_get_device(master); struct venc_device *venc; - u8 rev_id; struct resource *venc_mem; int r; @@ -899,8 +869,8 @@ static int venc_bind(struct device *dev, struct device *master, void *data) return -ENOMEM; venc->pdev = pdev; - venc->dss = dss; - dev_set_drvdata(dev, venc); + + platform_set_drvdata(pdev, venc); /* The OMAP34xx, OMAP35xx and AM35xx VENC require the TV DAC clock. */ if (soc_device_match(venc_soc_devices)) @@ -909,6 +879,7 @@ static int venc_bind(struct device *dev, struct device *master, void *data) mutex_init(&venc->venc_lock); venc->wss_data = 0; + venc->vm = omap_dss_pal_vm; venc_mem = platform_get_resource(venc->pdev, IORESOURCE_MEM, 0); venc->base = devm_ioremap_resource(&pdev->dev, venc_mem); @@ -917,68 +888,54 @@ static int venc_bind(struct device *dev, struct device *master, void *data) goto err_free; } + venc->vdda_dac_reg = devm_regulator_get(&pdev->dev, "vdda"); + if (IS_ERR(venc->vdda_dac_reg)) { + r = PTR_ERR(venc->vdda_dac_reg); + if (r != -EPROBE_DEFER) + DSSERR("can't get VDDA_DAC regulator\n"); + goto err_free; + } + r = venc_get_clocks(venc); if (r) goto err_free; - pm_runtime_enable(&pdev->dev); - - r = venc_runtime_get(venc); + r = venc_probe_of(venc); if (r) - goto err_runtime_get; - - rev_id = (u8)(venc_read_reg(venc, VENC_REV_ID) & 0xff); - dev_dbg(&pdev->dev, "OMAP VENC rev %d\n", rev_id); - - venc_runtime_put(venc); + goto err_free; - r = venc_probe_of(venc); - if (r) { - DSSERR("Invalid DT data\n"); - goto err_probe_of; - } + pm_runtime_enable(&pdev->dev); - venc->debugfs = dss_debugfs_create_file(dss, "venc", venc_dump_regs, - venc); + r = venc_init_output(venc); + if (r) + goto err_pm_disable; - venc_init_output(venc); + r = component_add(&pdev->dev, &venc_component_ops); + if (r) + goto err_uninit_output; return 0; -err_probe_of: -err_runtime_get: +err_uninit_output: + venc_uninit_output(venc); +err_pm_disable: pm_runtime_disable(&pdev->dev); err_free: kfree(venc); return r; } -static void venc_unbind(struct device *dev, struct device *master, void *data) +static int venc_remove(struct platform_device *pdev) { - struct venc_device *venc = dev_get_drvdata(dev); + struct venc_device *venc = platform_get_drvdata(pdev); - dss_debugfs_remove_file(venc->debugfs); + component_del(&pdev->dev, &venc_component_ops); venc_uninit_output(venc); - pm_runtime_disable(dev); + pm_runtime_disable(&pdev->dev); kfree(venc); -} - -static const struct component_ops venc_component_ops = { - .bind = venc_bind, - .unbind = venc_unbind, -}; - -static int venc_probe(struct platform_device *pdev) -{ - return component_add(&pdev->dev, &venc_component_ops); -} - -static int venc_remove(struct platform_device *pdev) -{ - component_del(&pdev->dev, &venc_component_ops); return 0; } diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index 2ddb856666c4..98f5ca29444a 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -29,10 +29,28 @@ struct omap_connector { struct drm_connector base; - struct omap_dss_device *dssdev; + struct omap_dss_device *output; + struct omap_dss_device *display; + struct omap_dss_device *hpd; bool hdmi_mode; }; +static void omap_connector_hpd_notify(struct drm_connector *connector, + struct omap_dss_device *src, + enum drm_connector_status status) +{ + if (status == connector_status_disconnected) { + /* + * If the source is an HDMI encoder, notify it of disconnection. + * This is required to let the HDMI encoder reset any internal + * state related to connection status, such as the CEC address. + */ + if (src && src->type == OMAP_DISPLAY_TYPE_HDMI && + src->ops->hdmi.lost_hotplug) + src->ops->hdmi.lost_hotplug(src); + } +} + static void omap_connector_hpd_cb(void *cb_data, enum drm_connector_status status) { @@ -46,8 +64,31 @@ static void omap_connector_hpd_cb(void *cb_data, connector->status = status; mutex_unlock(&dev->mode_config.mutex); - if (old_status != status) - drm_kms_helper_hotplug_event(dev); + if (old_status == status) + return; + + omap_connector_hpd_notify(connector, omap_connector->hpd, status); + + drm_kms_helper_hotplug_event(dev); +} + +void omap_connector_enable_hpd(struct drm_connector *connector) +{ + struct omap_connector *omap_connector = to_omap_connector(connector); + struct omap_dss_device *hpd = omap_connector->hpd; + + if (hpd) + hpd->ops->register_hpd_cb(hpd, omap_connector_hpd_cb, + omap_connector); +} + +void omap_connector_disable_hpd(struct drm_connector *connector) +{ + struct omap_connector *omap_connector = to_omap_connector(connector); + struct omap_dss_device *hpd = omap_connector->hpd; + + if (hpd) + hpd->ops->unregister_hpd_cb(hpd); } bool omap_connector_get_hdmi_mode(struct drm_connector *connector) @@ -57,120 +98,179 @@ bool omap_connector_get_hdmi_mode(struct drm_connector *connector) return omap_connector->hdmi_mode; } +static struct omap_dss_device * +omap_connector_find_device(struct drm_connector *connector, + enum omap_dss_device_ops_flag op) +{ + struct omap_connector *omap_connector = to_omap_connector(connector); + struct omap_dss_device *dssdev; + + for (dssdev = omap_connector->display; dssdev; dssdev = dssdev->src) { + if (dssdev->ops_flags & op) + return dssdev; + } + + return NULL; +} + static enum drm_connector_status omap_connector_detect( struct drm_connector *connector, bool force) { struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev = omap_connector->dssdev; - struct omap_dss_driver *dssdrv = dssdev->driver; - enum drm_connector_status ret; - - if (dssdrv->detect) { - if (dssdrv->detect(dssdev)) - ret = connector_status_connected; - else - ret = connector_status_disconnected; - } else if (dssdev->type == OMAP_DISPLAY_TYPE_DPI || - dssdev->type == OMAP_DISPLAY_TYPE_DBI || - dssdev->type == OMAP_DISPLAY_TYPE_SDI || - dssdev->type == OMAP_DISPLAY_TYPE_DSI) { - ret = connector_status_connected; + struct omap_dss_device *dssdev; + enum drm_connector_status status; + + dssdev = omap_connector_find_device(connector, + OMAP_DSS_DEVICE_OP_DETECT); + + if (dssdev) { + status = dssdev->ops->detect(dssdev) + ? connector_status_connected + : connector_status_disconnected; + + omap_connector_hpd_notify(connector, dssdev->src, status); } else { - ret = connector_status_unknown; + switch (omap_connector->display->type) { + case OMAP_DISPLAY_TYPE_DPI: + case OMAP_DISPLAY_TYPE_DBI: + case OMAP_DISPLAY_TYPE_SDI: + case OMAP_DISPLAY_TYPE_DSI: + status = connector_status_connected; + break; + default: + status = connector_status_unknown; + break; + } } - VERB("%s: %d (force=%d)", omap_connector->dssdev->name, ret, force); + VERB("%s: %d (force=%d)", omap_connector->display->name, status, force); - return ret; + return status; } static void omap_connector_destroy(struct drm_connector *connector) { struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev = omap_connector->dssdev; - DBG("%s", omap_connector->dssdev->name); - if (connector->polled == DRM_CONNECTOR_POLL_HPD && - dssdev->driver->unregister_hpd_cb) { - dssdev->driver->unregister_hpd_cb(dssdev); + DBG("%s", omap_connector->display->name); + + if (omap_connector->hpd) { + struct omap_dss_device *hpd = omap_connector->hpd; + + hpd->ops->unregister_hpd_cb(hpd); + omapdss_device_put(hpd); + omap_connector->hpd = NULL; } + drm_connector_unregister(connector); drm_connector_cleanup(connector); kfree(omap_connector); - omap_dss_put_device(dssdev); + omapdss_device_put(omap_connector->output); + omapdss_device_put(omap_connector->display); } #define MAX_EDID 512 -static int omap_connector_get_modes(struct drm_connector *connector) +static int omap_connector_get_modes_edid(struct drm_connector *connector, + struct omap_dss_device *dssdev) { struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev = omap_connector->dssdev; - struct omap_dss_driver *dssdrv = dssdev->driver; - struct drm_device *dev = connector->dev; - int n = 0; + enum drm_connector_status status; + void *edid; + int n; - DBG("%s", omap_connector->dssdev->name); + status = omap_connector_detect(connector, false); + if (status != connector_status_connected) + goto no_edid; - /* if display exposes EDID, then we parse that in the normal way to - * build table of supported modes.. otherwise (ie. fixed resolution - * LCD panels) we just return a single mode corresponding to the - * currently configured timings: - */ - if (dssdrv->read_edid) { - void *edid = kzalloc(MAX_EDID, GFP_KERNEL); - - if (!edid) - return 0; - - if ((dssdrv->read_edid(dssdev, edid, MAX_EDID) > 0) && - drm_edid_is_valid(edid)) { - drm_connector_update_edid_property( - connector, edid); - n = drm_add_edid_modes(connector, edid); - - omap_connector->hdmi_mode = - drm_detect_hdmi_monitor(edid); - } else { - drm_connector_update_edid_property( - connector, NULL); - } + edid = kzalloc(MAX_EDID, GFP_KERNEL); + if (!edid) + goto no_edid; + if (dssdev->ops->read_edid(dssdev, edid, MAX_EDID) <= 0 || + !drm_edid_is_valid(edid)) { kfree(edid); - } else { - struct drm_display_mode *mode = drm_mode_create(dev); - struct videomode vm = {0}; + goto no_edid; + } - if (!mode) - return 0; + drm_connector_update_edid_property(connector, edid); + n = drm_add_edid_modes(connector, edid); - dssdrv->get_timings(dssdev, &vm); + omap_connector->hdmi_mode = drm_detect_hdmi_monitor(edid); - drm_display_mode_from_videomode(&vm, mode); + kfree(edid); + return n; - mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; - drm_mode_set_name(mode); - drm_mode_probed_add(connector, mode); +no_edid: + drm_connector_update_edid_property(connector, NULL); + return 0; +} - if (dssdrv->get_size) { - dssdrv->get_size(dssdev, +static int omap_connector_get_modes(struct drm_connector *connector) +{ + struct omap_connector *omap_connector = to_omap_connector(connector); + struct omap_dss_device *dssdev; + struct drm_display_mode *mode; + struct videomode vm = {0}; + + DBG("%s", omap_connector->display->name); + + /* + * If display exposes EDID, then we parse that in the normal way to + * build table of supported modes. + */ + dssdev = omap_connector_find_device(connector, + OMAP_DSS_DEVICE_OP_EDID); + if (dssdev) + return omap_connector_get_modes_edid(connector, dssdev); + + /* + * Otherwise we have either a fixed resolution panel or an output that + * doesn't support modes discovery (e.g. DVI or VGA with the DDC bus + * unconnected, or analog TV). Start by querying the size. + */ + dssdev = omap_connector->display; + if (dssdev->driver && dssdev->driver->get_size) + dssdev->driver->get_size(dssdev, &connector->display_info.width_mm, &connector->display_info.height_mm); - } - n = 1; + /* + * Iterate over the pipeline to find the first device that can provide + * timing information. If we can't find any, we just let the KMS core + * add the default modes. + */ + for (dssdev = omap_connector->display; dssdev; dssdev = dssdev->src) { + if (dssdev->ops->get_timings) + break; } + if (!dssdev) + return 0; - return n; + /* Add a single mode corresponding to the fixed panel timings. */ + mode = drm_mode_create(connector->dev); + if (!mode) + return 0; + + dssdev->ops->get_timings(dssdev, &vm); + + drm_display_mode_from_videomode(&vm, mode); + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + drm_mode_set_name(mode); + drm_mode_probed_add(connector, mode); + + return 1; } static int omap_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev = omap_connector->dssdev; - struct omap_dss_driver *dssdrv = dssdev->driver; + enum omap_channel channel = omap_connector->output->dispc_channel; + struct omap_drm_private *priv = connector->dev->dev_private; + struct omap_dss_device *dssdev; struct videomode vm = {0}; struct drm_device *dev = connector->dev; struct drm_display_mode *new_mode; @@ -179,44 +279,31 @@ static int omap_connector_mode_valid(struct drm_connector *connector, drm_display_mode_to_videomode(mode, &vm); mode->vrefresh = drm_mode_vrefresh(mode); - /* - * if the panel driver doesn't have a check_timings, it's most likely - * a fixed resolution panel, check if the timings match with the - * panel's timings - */ - if (dssdrv->check_timings) { - r = dssdrv->check_timings(dssdev, &vm); - } else { - struct videomode t = {0}; + r = priv->dispc_ops->mgr_check_timings(priv->dispc, channel, &vm); + if (r) + goto done; - dssdrv->get_timings(dssdev, &t); + for (dssdev = omap_connector->output; dssdev; dssdev = dssdev->next) { + if (!dssdev->ops->check_timings) + continue; - /* - * Ignore the flags, as we don't get them from - * drm_display_mode_to_videomode. - */ - t.flags = 0; - - if (memcmp(&vm, &t, sizeof(vm))) - r = -EINVAL; - else - r = 0; + r = dssdev->ops->check_timings(dssdev, &vm); + if (r) + goto done; } - if (!r) { - /* check if vrefresh is still valid */ - new_mode = drm_mode_duplicate(dev, mode); + /* check if vrefresh is still valid */ + new_mode = drm_mode_duplicate(dev, mode); + if (!new_mode) + return MODE_BAD; - if (!new_mode) - return MODE_BAD; - - new_mode->clock = vm.pixelclock / 1000; - new_mode->vrefresh = 0; - if (mode->vrefresh == drm_mode_vrefresh(new_mode)) - ret = MODE_OK; - drm_mode_destroy(dev, new_mode); - } + new_mode->clock = vm.pixelclock / 1000; + new_mode->vrefresh = 0; + if (mode->vrefresh == drm_mode_vrefresh(new_mode)) + ret = MODE_OK; + drm_mode_destroy(dev, new_mode); +done: DBG("connector: mode %s: " "%d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x", (ret == MODE_OK) ? "valid" : "invalid", @@ -243,52 +330,72 @@ static const struct drm_connector_helper_funcs omap_connector_helper_funcs = { .mode_valid = omap_connector_mode_valid, }; +static int omap_connector_get_type(struct omap_dss_device *display) +{ + switch (display->type) { + case OMAP_DISPLAY_TYPE_HDMI: + return DRM_MODE_CONNECTOR_HDMIA; + case OMAP_DISPLAY_TYPE_DVI: + return DRM_MODE_CONNECTOR_DVID; + case OMAP_DISPLAY_TYPE_DSI: + return DRM_MODE_CONNECTOR_DSI; + case OMAP_DISPLAY_TYPE_DPI: + case OMAP_DISPLAY_TYPE_DBI: + return DRM_MODE_CONNECTOR_DPI; + case OMAP_DISPLAY_TYPE_VENC: + /* TODO: This could also be composite */ + return DRM_MODE_CONNECTOR_SVIDEO; + case OMAP_DISPLAY_TYPE_SDI: + return DRM_MODE_CONNECTOR_LVDS; + default: + return DRM_MODE_CONNECTOR_Unknown; + } +} + /* initialize connector */ struct drm_connector *omap_connector_init(struct drm_device *dev, - int connector_type, struct omap_dss_device *dssdev, - struct drm_encoder *encoder) + struct omap_dss_device *output, + struct omap_dss_device *display, + struct drm_encoder *encoder) { struct drm_connector *connector = NULL; struct omap_connector *omap_connector; - bool hpd_supported = false; - - DBG("%s", dssdev->name); + struct omap_dss_device *dssdev; - omap_dss_get_device(dssdev); + DBG("%s", display->name); omap_connector = kzalloc(sizeof(*omap_connector), GFP_KERNEL); if (!omap_connector) goto fail; - omap_connector->dssdev = dssdev; + omap_connector->output = omapdss_device_get(output); + omap_connector->display = omapdss_device_get(display); connector = &omap_connector->base; + connector->interlace_allowed = 1; + connector->doublescan_allowed = 0; drm_connector_init(dev, connector, &omap_connector_funcs, - connector_type); + omap_connector_get_type(display)); drm_connector_helper_add(connector, &omap_connector_helper_funcs); - if (dssdev->driver->register_hpd_cb) { - int ret = dssdev->driver->register_hpd_cb(dssdev, - omap_connector_hpd_cb, - omap_connector); - if (!ret) - hpd_supported = true; - else if (ret != -ENOTSUPP) - DBG("%s: Failed to register HPD callback (%d).", - dssdev->name, ret); - } - - if (hpd_supported) + /* + * Initialize connector status handling. First try to find a device that + * supports hot-plug reporting. If it fails, fall back to a device that + * support polling. If that fails too, we don't support hot-plug + * detection at all. + */ + dssdev = omap_connector_find_device(connector, OMAP_DSS_DEVICE_OP_HPD); + if (dssdev) { + omap_connector->hpd = omapdss_device_get(dssdev); connector->polled = DRM_CONNECTOR_POLL_HPD; - else if (dssdev->driver->detect) - connector->polled = DRM_CONNECTOR_POLL_CONNECT | - DRM_CONNECTOR_POLL_DISCONNECT; - else - connector->polled = 0; - - connector->interlace_allowed = 1; - connector->doublescan_allowed = 0; + } else { + dssdev = omap_connector_find_device(connector, + OMAP_DSS_DEVICE_OP_DETECT); + if (dssdev) + connector->polled = DRM_CONNECTOR_POLL_CONNECT | + DRM_CONNECTOR_POLL_DISCONNECT; + } return connector; diff --git a/drivers/gpu/drm/omapdrm/omap_connector.h b/drivers/gpu/drm/omapdrm/omap_connector.h index 98bbc779b302..854099801649 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.h +++ b/drivers/gpu/drm/omapdrm/omap_connector.h @@ -28,10 +28,13 @@ struct drm_encoder; struct omap_dss_device; struct drm_connector *omap_connector_init(struct drm_device *dev, - int connector_type, struct omap_dss_device *dssdev, - struct drm_encoder *encoder); + struct omap_dss_device *output, + struct omap_dss_device *display, + struct drm_encoder *encoder); struct drm_encoder *omap_connector_attached_encoder( struct drm_connector *connector); bool omap_connector_get_hdmi_mode(struct drm_connector *connector); +void omap_connector_enable_hpd(struct drm_connector *connector); +void omap_connector_disable_hpd(struct drm_connector *connector); #endif /* __OMAPDRM_CONNECTOR_H__ */ diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index 6c4d40b824e4..62928ec0e7db 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -41,6 +41,7 @@ struct omap_crtc { struct drm_crtc base; const char *name; + struct omap_drm_pipeline *pipe; enum omap_channel channel; struct videomode vm; @@ -108,38 +109,7 @@ int omap_crtc_wait_pending(struct drm_crtc *crtc) * job of sequencing the setup of the video pipe in the proper order */ -/* ovl-mgr-id -> crtc */ -static struct omap_crtc *omap_crtcs[8]; -static struct omap_dss_device *omap_crtc_output[8]; - /* we can probably ignore these until we support command-mode panels: */ -static int omap_crtc_dss_connect(struct omap_drm_private *priv, - enum omap_channel channel, - struct omap_dss_device *dst) -{ - const struct dispc_ops *dispc_ops = priv->dispc_ops; - struct dispc_device *dispc = priv->dispc; - - if (omap_crtc_output[channel]) - return -EINVAL; - - if (!(dispc_ops->mgr_get_supported_outputs(dispc, channel) & dst->id)) - return -EINVAL; - - omap_crtc_output[channel] = dst; - dst->dispc_channel_connected = true; - - return 0; -} - -static void omap_crtc_dss_disconnect(struct omap_drm_private *priv, - enum omap_channel channel, - struct omap_dss_device *dst) -{ - omap_crtc_output[channel] = NULL; - dst->dispc_channel_connected = false; -} - static void omap_crtc_dss_start_update(struct omap_drm_private *priv, enum omap_channel channel) { @@ -159,7 +129,7 @@ static void omap_crtc_set_enabled(struct drm_crtc *crtc, bool enable) if (WARN_ON(omap_crtc->enabled == enable)) return; - if (omap_crtc_output[channel]->output_type == OMAP_DISPLAY_TYPE_HDMI) { + if (omap_crtc->pipe->output->output_type == OMAP_DISPLAY_TYPE_HDMI) { priv->dispc_ops->mgr_enable(priv->dispc, channel, enable); omap_crtc->enabled = enable; return; @@ -215,7 +185,8 @@ static void omap_crtc_set_enabled(struct drm_crtc *crtc, bool enable) static int omap_crtc_dss_enable(struct omap_drm_private *priv, enum omap_channel channel) { - struct omap_crtc *omap_crtc = omap_crtcs[channel]; + struct drm_crtc *crtc = priv->channels[channel]->crtc; + struct omap_crtc *omap_crtc = to_omap_crtc(crtc); priv->dispc_ops->mgr_set_timings(priv->dispc, omap_crtc->channel, &omap_crtc->vm); @@ -227,7 +198,8 @@ static int omap_crtc_dss_enable(struct omap_drm_private *priv, static void omap_crtc_dss_disable(struct omap_drm_private *priv, enum omap_channel channel) { - struct omap_crtc *omap_crtc = omap_crtcs[channel]; + struct drm_crtc *crtc = priv->channels[channel]->crtc; + struct omap_crtc *omap_crtc = to_omap_crtc(crtc); omap_crtc_set_enabled(&omap_crtc->base, false); } @@ -236,7 +208,9 @@ static void omap_crtc_dss_set_timings(struct omap_drm_private *priv, enum omap_channel channel, const struct videomode *vm) { - struct omap_crtc *omap_crtc = omap_crtcs[channel]; + struct drm_crtc *crtc = priv->channels[channel]->crtc; + struct omap_crtc *omap_crtc = to_omap_crtc(crtc); + DBG("%s", omap_crtc->name); omap_crtc->vm = *vm; } @@ -245,7 +219,8 @@ static void omap_crtc_dss_set_lcd_config(struct omap_drm_private *priv, enum omap_channel channel, const struct dss_lcd_mgr_config *config) { - struct omap_crtc *omap_crtc = omap_crtcs[channel]; + struct drm_crtc *crtc = priv->channels[channel]->crtc; + struct omap_crtc *omap_crtc = to_omap_crtc(crtc); DBG("%s", omap_crtc->name); priv->dispc_ops->mgr_set_lcd_config(priv->dispc, omap_crtc->channel, @@ -266,8 +241,6 @@ static void omap_crtc_dss_unregister_framedone( } static const struct dss_mgr_ops mgr_ops = { - .connect = omap_crtc_dss_connect, - .disconnect = omap_crtc_dss_disconnect, .start_update = omap_crtc_dss_start_update, .enable = omap_crtc_dss_enable, .disable = omap_crtc_dss_disable, @@ -447,11 +420,6 @@ static void omap_crtc_mode_set_nofb(struct drm_crtc *crtc) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); struct drm_display_mode *mode = &crtc->state->adjusted_mode; - struct omap_drm_private *priv = crtc->dev->dev_private; - const u32 flags_mask = DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_DE_LOW | - DISPLAY_FLAGS_PIXDATA_POSEDGE | DISPLAY_FLAGS_PIXDATA_NEGEDGE | - DISPLAY_FLAGS_SYNC_POSEDGE | DISPLAY_FLAGS_SYNC_NEGEDGE; - unsigned int i; DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x", omap_crtc->name, mode->base.id, mode->name, @@ -461,38 +429,6 @@ static void omap_crtc_mode_set_nofb(struct drm_crtc *crtc) mode->type, mode->flags); drm_display_mode_to_videomode(mode, &omap_crtc->vm); - - /* - * HACK: This fixes the vm flags. - * struct drm_display_mode does not contain the VSYNC/HSYNC/DE flags - * and they get lost when converting back and forth between - * struct drm_display_mode and struct videomode. The hack below - * goes and fetches the missing flags from the panel drivers. - * - * Correct solution would be to use DRM's bus-flags, but that's not - * easily possible before the omapdrm's panel/encoder driver model - * has been changed to the DRM model. - */ - - for (i = 0; i < priv->num_encoders; ++i) { - struct drm_encoder *encoder = priv->encoders[i]; - - if (encoder->crtc == crtc) { - struct omap_dss_device *dssdev; - - dssdev = omap_encoder_get_dssdev(encoder); - - if (dssdev) { - struct videomode vm = {0}; - - dssdev->driver->get_timings(dssdev, &vm); - - omap_crtc->vm.flags |= vm.flags & flags_mask; - } - - break; - } - } } static int omap_crtc_atomic_check(struct drm_crtc *crtc, @@ -681,37 +617,29 @@ static const char *channel_names[] = { void omap_crtc_pre_init(struct omap_drm_private *priv) { - memset(omap_crtcs, 0, sizeof(omap_crtcs)); - - dss_install_mgr_ops(&mgr_ops, priv); + dss_install_mgr_ops(priv->dss, &mgr_ops, priv); } -void omap_crtc_pre_uninit(void) +void omap_crtc_pre_uninit(struct omap_drm_private *priv) { - dss_uninstall_mgr_ops(); + dss_uninstall_mgr_ops(priv->dss); } /* initialize crtc */ struct drm_crtc *omap_crtc_init(struct drm_device *dev, - struct drm_plane *plane, struct omap_dss_device *dssdev) + struct omap_drm_pipeline *pipe, + struct drm_plane *plane) { struct omap_drm_private *priv = dev->dev_private; struct drm_crtc *crtc = NULL; struct omap_crtc *omap_crtc; enum omap_channel channel; - struct omap_dss_device *out; int ret; - out = omapdss_find_output_from_display(dssdev); - channel = out->dispc_channel; - omap_dss_put_device(out); + channel = pipe->output->dispc_channel; DBG("%s", channel_names[channel]); - /* Multiple displays on same channel is not allowed */ - if (WARN_ON(omap_crtcs[channel] != NULL)) - return ERR_PTR(-EINVAL); - omap_crtc = kzalloc(sizeof(*omap_crtc), GFP_KERNEL); if (!omap_crtc) return ERR_PTR(-ENOMEM); @@ -720,6 +648,7 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev, init_waitqueue_head(&omap_crtc->pending_wait); + omap_crtc->pipe = pipe; omap_crtc->channel = channel; omap_crtc->name = channel_names[channel]; @@ -727,7 +656,7 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev, &omap_crtc_funcs, NULL); if (ret < 0) { dev_err(dev->dev, "%s(): could not init crtc for: %s\n", - __func__, dssdev->name); + __func__, pipe->display->name); kfree(omap_crtc); return ERR_PTR(ret); } @@ -750,7 +679,5 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev, omap_plane_install_properties(crtc->primary, &crtc->base); - omap_crtcs[channel] = omap_crtc; - return crtc; } diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.h b/drivers/gpu/drm/omapdrm/omap_crtc.h index eaab2d7f0324..d9de437ba9dd 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.h +++ b/drivers/gpu/drm/omapdrm/omap_crtc.h @@ -27,15 +27,17 @@ enum omap_channel; struct drm_crtc; struct drm_device; struct drm_plane; +struct omap_drm_pipeline; struct omap_dss_device; struct videomode; struct videomode *omap_crtc_timings(struct drm_crtc *crtc); enum omap_channel omap_crtc_channel(struct drm_crtc *crtc); void omap_crtc_pre_init(struct omap_drm_private *priv); -void omap_crtc_pre_uninit(void); +void omap_crtc_pre_uninit(struct omap_drm_private *priv); struct drm_crtc *omap_crtc_init(struct drm_device *dev, - struct drm_plane *plane, struct omap_dss_device *dssdev); + struct omap_drm_pipeline *pipe, + struct drm_plane *plane); int omap_crtc_wait_pending(struct drm_crtc *crtc); void omap_crtc_error_irq(struct drm_crtc *crtc, u32 irqstatus); void omap_crtc_vblank_irq(struct drm_crtc *crtc); diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 1b6601e9b107..5f98506ac2c5 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -15,6 +15,8 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/of.h> +#include <linux/sort.h> #include <linux/sys_soc.h> #include <drm/drm_atomic.h> @@ -127,55 +129,92 @@ static const struct drm_mode_config_funcs omap_mode_config_funcs = { .atomic_commit = drm_atomic_helper_commit, }; -static int get_connector_type(struct omap_dss_device *dssdev) +static void omap_disconnect_pipelines(struct drm_device *ddev) { - switch (dssdev->type) { - case OMAP_DISPLAY_TYPE_HDMI: - return DRM_MODE_CONNECTOR_HDMIA; - case OMAP_DISPLAY_TYPE_DVI: - return DRM_MODE_CONNECTOR_DVID; - case OMAP_DISPLAY_TYPE_DSI: - return DRM_MODE_CONNECTOR_DSI; - case OMAP_DISPLAY_TYPE_DPI: - case OMAP_DISPLAY_TYPE_DBI: - return DRM_MODE_CONNECTOR_DPI; - case OMAP_DISPLAY_TYPE_VENC: - /* TODO: This could also be composite */ - return DRM_MODE_CONNECTOR_SVIDEO; - case OMAP_DISPLAY_TYPE_SDI: - return DRM_MODE_CONNECTOR_LVDS; - default: - return DRM_MODE_CONNECTOR_Unknown; + struct omap_drm_private *priv = ddev->dev_private; + unsigned int i; + + for (i = 0; i < priv->num_pipes; i++) { + struct omap_drm_pipeline *pipe = &priv->pipes[i]; + + omapdss_device_disconnect(NULL, pipe->output); + + omapdss_device_put(pipe->output); + omapdss_device_put(pipe->display); + pipe->output = NULL; + pipe->display = NULL; } + + memset(&priv->channels, 0, sizeof(priv->channels)); + + priv->num_pipes = 0; } -static void omap_disconnect_dssdevs(void) +static int omap_compare_pipes(const void *a, const void *b) { - struct omap_dss_device *dssdev = NULL; + const struct omap_drm_pipeline *pipe1 = a; + const struct omap_drm_pipeline *pipe2 = b; - for_each_dss_dev(dssdev) - dssdev->driver->disconnect(dssdev); + if (pipe1->display->alias_id > pipe2->display->alias_id) + return 1; + else if (pipe1->display->alias_id < pipe2->display->alias_id) + return -1; + return 0; } -static int omap_connect_dssdevs(void) +static int omap_connect_pipelines(struct drm_device *ddev) { + struct omap_drm_private *priv = ddev->dev_private; + struct omap_dss_device *output = NULL; + unsigned int i; int r; - struct omap_dss_device *dssdev = NULL; if (!omapdss_stack_is_ready()) return -EPROBE_DEFER; - for_each_dss_dev(dssdev) { - r = dssdev->driver->connect(dssdev); + for_each_dss_output(output) { + r = omapdss_device_connect(priv->dss, NULL, output); if (r == -EPROBE_DEFER) { - omap_dss_put_device(dssdev); + omapdss_device_put(output); goto cleanup; } else if (r) { - dev_warn(dssdev->dev, "could not connect display: %s\n", - dssdev->name); + dev_warn(output->dev, "could not connect output %s\n", + output->name); + } else { + struct omap_drm_pipeline *pipe; + + pipe = &priv->pipes[priv->num_pipes++]; + pipe->output = omapdss_device_get(output); + pipe->display = omapdss_display_get(output); + + if (priv->num_pipes == ARRAY_SIZE(priv->pipes)) { + /* To balance the 'for_each_dss_output' loop */ + omapdss_device_put(output); + break; + } } } + /* Sort the list by DT aliases */ + sort(priv->pipes, priv->num_pipes, sizeof(priv->pipes[0]), + omap_compare_pipes, NULL); + + /* + * Populate the pipeline lookup table by DISPC channel. Only one display + * is allowed per channel. + */ + for (i = 0; i < priv->num_pipes; ++i) { + struct omap_drm_pipeline *pipe = &priv->pipes[i]; + enum omap_channel channel = pipe->output->dispc_channel; + + if (WARN_ON(priv->channels[channel] != NULL)) { + r = -EINVAL; + goto cleanup; + } + + priv->channels[channel] = pipe; + } + return 0; cleanup: @@ -183,7 +222,7 @@ cleanup: * if we are deferring probe, we disconnect the devices we previously * connected */ - omap_disconnect_dssdevs(); + omap_disconnect_pipelines(ddev); return r; } @@ -204,10 +243,9 @@ static int omap_modeset_init_properties(struct drm_device *dev) static int omap_modeset_init(struct drm_device *dev) { struct omap_drm_private *priv = dev->dev_private; - struct omap_dss_device *dssdev = NULL; int num_ovls = priv->dispc_ops->get_num_ovls(priv->dispc); int num_mgrs = priv->dispc_ops->get_num_mgrs(priv->dispc); - int num_crtcs, crtc_idx, plane_idx; + unsigned int i; int ret; u32 plane_crtc_mask; @@ -225,87 +263,62 @@ static int omap_modeset_init(struct drm_device *dev) * configuration does not match the expectations or exceeds * the available resources, the configuration is rejected. */ - num_crtcs = 0; - for_each_dss_dev(dssdev) - if (omapdss_device_is_connected(dssdev)) - num_crtcs++; - - if (num_crtcs > num_mgrs || num_crtcs > num_ovls || - num_crtcs > ARRAY_SIZE(priv->crtcs) || - num_crtcs > ARRAY_SIZE(priv->planes) || - num_crtcs > ARRAY_SIZE(priv->encoders) || - num_crtcs > ARRAY_SIZE(priv->connectors)) { + if (priv->num_pipes > num_mgrs || priv->num_pipes > num_ovls) { dev_err(dev->dev, "%s(): Too many connected displays\n", __func__); return -EINVAL; } - /* All planes can be put to any CRTC */ - plane_crtc_mask = (1 << num_crtcs) - 1; + /* Create all planes first. They can all be put to any CRTC. */ + plane_crtc_mask = (1 << priv->num_pipes) - 1; + + for (i = 0; i < num_ovls; i++) { + enum drm_plane_type type = i < priv->num_pipes + ? DRM_PLANE_TYPE_PRIMARY + : DRM_PLANE_TYPE_OVERLAY; + struct drm_plane *plane; + + if (WARN_ON(priv->num_planes >= ARRAY_SIZE(priv->planes))) + return -EINVAL; + + plane = omap_plane_init(dev, i, type, plane_crtc_mask); + if (IS_ERR(plane)) + return PTR_ERR(plane); - dssdev = NULL; + priv->planes[priv->num_planes++] = plane; + } - crtc_idx = 0; - plane_idx = 0; - for_each_dss_dev(dssdev) { + /* Create the CRTCs, encoders and connectors. */ + for (i = 0; i < priv->num_pipes; i++) { + struct omap_drm_pipeline *pipe = &priv->pipes[i]; + struct omap_dss_device *display = pipe->display; struct drm_connector *connector; struct drm_encoder *encoder; - struct drm_plane *plane; struct drm_crtc *crtc; - if (!omapdss_device_is_connected(dssdev)) - continue; - - encoder = omap_encoder_init(dev, dssdev); + encoder = omap_encoder_init(dev, pipe->output, display); if (!encoder) return -ENOMEM; - connector = omap_connector_init(dev, - get_connector_type(dssdev), dssdev, encoder); + connector = omap_connector_init(dev, pipe->output, display, + encoder); if (!connector) return -ENOMEM; - plane = omap_plane_init(dev, plane_idx, DRM_PLANE_TYPE_PRIMARY, - plane_crtc_mask); - if (IS_ERR(plane)) - return PTR_ERR(plane); - - crtc = omap_crtc_init(dev, plane, dssdev); + crtc = omap_crtc_init(dev, pipe, priv->planes[i]); if (IS_ERR(crtc)) return PTR_ERR(crtc); drm_connector_attach_encoder(connector, encoder); - encoder->possible_crtcs = (1 << crtc_idx); - - priv->crtcs[priv->num_crtcs++] = crtc; - priv->planes[priv->num_planes++] = plane; - priv->encoders[priv->num_encoders++] = encoder; - priv->connectors[priv->num_connectors++] = connector; + encoder->possible_crtcs = 1 << i; - plane_idx++; - crtc_idx++; + pipe->crtc = crtc; + pipe->encoder = encoder; + pipe->connector = connector; } - /* - * Create normal planes for the remaining overlays: - */ - for (; plane_idx < num_ovls; plane_idx++) { - struct drm_plane *plane; - - if (WARN_ON(priv->num_planes >= ARRAY_SIZE(priv->planes))) - return -EINVAL; - - plane = omap_plane_init(dev, plane_idx, DRM_PLANE_TYPE_OVERLAY, - plane_crtc_mask); - if (IS_ERR(plane)) - return PTR_ERR(plane); - - priv->planes[priv->num_planes++] = plane; - } - - DBG("registered %d planes, %d crtcs, %d encoders and %d connectors\n", - priv->num_planes, priv->num_crtcs, priv->num_encoders, - priv->num_connectors); + DBG("registered %u planes, %u crtcs/encoders/connectors\n", + priv->num_planes, priv->num_pipes); dev->mode_config.min_width = 8; dev->mode_config.min_height = 2; @@ -335,27 +348,25 @@ static int omap_modeset_init(struct drm_device *dev) /* * Enable the HPD in external components if supported */ -static void omap_modeset_enable_external_hpd(void) +static void omap_modeset_enable_external_hpd(struct drm_device *ddev) { - struct omap_dss_device *dssdev = NULL; + struct omap_drm_private *priv = ddev->dev_private; + int i; - for_each_dss_dev(dssdev) { - if (dssdev->driver->enable_hpd) - dssdev->driver->enable_hpd(dssdev); - } + for (i = 0; i < priv->num_pipes; i++) + omap_connector_enable_hpd(priv->pipes[i].connector); } /* * Disable the HPD in external components if supported */ -static void omap_modeset_disable_external_hpd(void) +static void omap_modeset_disable_external_hpd(struct drm_device *ddev) { - struct omap_dss_device *dssdev = NULL; + struct omap_drm_private *priv = ddev->dev_private; + int i; - for_each_dss_dev(dssdev) { - if (dssdev->driver->disable_hpd) - dssdev->driver->disable_hpd(dssdev); - } + for (i = 0; i < priv->num_pipes; i++) + omap_connector_disable_hpd(priv->pipes[i].connector); } /* @@ -525,6 +536,14 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) DBG("%s", dev_name(dev)); + /* Allocate and initialize the DRM device. */ + ddev = drm_dev_alloc(&omap_drm_driver, dev); + if (IS_ERR(ddev)) + return PTR_ERR(ddev); + + priv->ddev = ddev; + ddev->dev_private = priv; + priv->dev = dev; priv->dss = omapdss_get_dss(); priv->dispc = dispc_get_dispc(priv->dss); @@ -532,7 +551,7 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) omap_crtc_pre_init(priv); - ret = omap_connect_dssdevs(); + ret = omap_connect_pipelines(ddev); if (ret) goto err_crtc_uninit; @@ -543,16 +562,6 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) mutex_init(&priv->list_lock); INIT_LIST_HEAD(&priv->obj_list); - /* Allocate and initialize the DRM device. */ - ddev = drm_dev_alloc(&omap_drm_driver, priv->dev); - if (IS_ERR(ddev)) { - ret = PTR_ERR(ddev); - goto err_destroy_wq; - } - - priv->ddev = ddev; - ddev->dev_private = priv; - /* Get memory bandwidth limits */ if (priv->dispc_ops->get_memory_bandwidth_limit) priv->max_bandwidth = @@ -563,23 +572,23 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) ret = omap_modeset_init(ddev); if (ret) { dev_err(priv->dev, "omap_modeset_init failed: ret=%d\n", ret); - goto err_free_drm_dev; + goto err_gem_deinit; } /* Initialize vblank handling, start with all CRTCs disabled. */ - ret = drm_vblank_init(ddev, priv->num_crtcs); + ret = drm_vblank_init(ddev, priv->num_pipes); if (ret) { dev_err(priv->dev, "could not init vblank\n"); goto err_cleanup_modeset; } - for (i = 0; i < priv->num_crtcs; i++) - drm_crtc_vblank_off(priv->crtcs[i]); + for (i = 0; i < priv->num_pipes; i++) + drm_crtc_vblank_off(priv->pipes[i].crtc); omap_fbdev_init(ddev); drm_kms_helper_poll_init(ddev); - omap_modeset_enable_external_hpd(); + omap_modeset_enable_external_hpd(ddev); /* * Register the DRM device with the core and the connectors with @@ -592,21 +601,20 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) return 0; err_cleanup_helpers: - omap_modeset_disable_external_hpd(); + omap_modeset_disable_external_hpd(ddev); drm_kms_helper_poll_fini(ddev); omap_fbdev_fini(ddev); err_cleanup_modeset: drm_mode_config_cleanup(ddev); omap_drm_irq_uninstall(ddev); -err_free_drm_dev: +err_gem_deinit: omap_gem_deinit(ddev); - drm_dev_unref(ddev); -err_destroy_wq: destroy_workqueue(priv->wq); - omap_disconnect_dssdevs(); + omap_disconnect_pipelines(ddev); err_crtc_uninit: - omap_crtc_pre_uninit(); + omap_crtc_pre_uninit(priv); + drm_dev_unref(ddev); return ret; } @@ -618,7 +626,7 @@ static void omapdrm_cleanup(struct omap_drm_private *priv) drm_dev_unregister(ddev); - omap_modeset_disable_external_hpd(); + omap_modeset_disable_external_hpd(ddev); drm_kms_helper_poll_fini(ddev); omap_fbdev_fini(ddev); @@ -630,12 +638,12 @@ static void omapdrm_cleanup(struct omap_drm_private *priv) omap_drm_irq_uninstall(ddev); omap_gem_deinit(ddev); - drm_dev_unref(ddev); - destroy_workqueue(priv->wq); - omap_disconnect_dssdevs(); - omap_crtc_pre_uninit(); + omap_disconnect_pipelines(ddev); + omap_crtc_pre_uninit(priv); + + drm_dev_unref(ddev); } static int pdev_probe(struct platform_device *pdev) @@ -677,36 +685,36 @@ static int pdev_remove(struct platform_device *pdev) } #ifdef CONFIG_PM_SLEEP -static int omap_drm_suspend_all_displays(void) +static int omap_drm_suspend_all_displays(struct drm_device *ddev) { - struct omap_dss_device *dssdev = NULL; + struct omap_drm_private *priv = ddev->dev_private; + int i; - for_each_dss_dev(dssdev) { - if (!dssdev->driver) - continue; + for (i = 0; i < priv->num_pipes; i++) { + struct omap_dss_device *display = priv->pipes[i].display; - if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) { - dssdev->driver->disable(dssdev); - dssdev->activate_after_resume = true; + if (display->state == OMAP_DSS_DISPLAY_ACTIVE) { + display->ops->disable(display); + display->activate_after_resume = true; } else { - dssdev->activate_after_resume = false; + display->activate_after_resume = false; } } return 0; } -static int omap_drm_resume_all_displays(void) +static int omap_drm_resume_all_displays(struct drm_device *ddev) { - struct omap_dss_device *dssdev = NULL; + struct omap_drm_private *priv = ddev->dev_private; + int i; - for_each_dss_dev(dssdev) { - if (!dssdev->driver) - continue; + for (i = 0; i < priv->num_pipes; i++) { + struct omap_dss_device *display = priv->pipes[i].display; - if (dssdev->activate_after_resume) { - dssdev->driver->enable(dssdev); - dssdev->activate_after_resume = false; + if (display->activate_after_resume) { + display->ops->enable(display); + display->activate_after_resume = false; } } @@ -721,7 +729,7 @@ static int omap_drm_suspend(struct device *dev) drm_kms_helper_poll_disable(drm_dev); drm_modeset_lock_all(drm_dev); - omap_drm_suspend_all_displays(); + omap_drm_suspend_all_displays(drm_dev); drm_modeset_unlock_all(drm_dev); return 0; @@ -733,7 +741,7 @@ static int omap_drm_resume(struct device *dev) struct drm_device *drm_dev = priv->ddev; drm_modeset_lock_all(drm_dev); - omap_drm_resume_all_displays(); + omap_drm_resume_all_displays(drm_dev); drm_modeset_unlock_all(drm_dev); drm_kms_helper_poll_enable(drm_dev); diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h index f27c8e216adf..bd7f2c227a25 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.h +++ b/drivers/gpu/drm/omapdrm/omap_drv.h @@ -45,6 +45,14 @@ struct omap_drm_usergart; +struct omap_drm_pipeline { + struct drm_crtc *crtc; + struct drm_encoder *encoder; + struct drm_connector *connector; + struct omap_dss_device *output; + struct omap_dss_device *display; +}; + struct omap_drm_private { struct drm_device *ddev; struct device *dev; @@ -54,18 +62,13 @@ struct omap_drm_private { struct dispc_device *dispc; const struct dispc_ops *dispc_ops; - unsigned int num_crtcs; - struct drm_crtc *crtcs[8]; + unsigned int num_pipes; + struct omap_drm_pipeline pipes[8]; + struct omap_drm_pipeline *channels[8]; unsigned int num_planes; struct drm_plane *planes[8]; - unsigned int num_encoders; - struct drm_encoder *encoders[8]; - - unsigned int num_connectors; - struct drm_connector *connectors[8]; - struct drm_fb_helper *fbdev; struct workqueue_struct *wq; diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c index fcdf4b0a8eec..452e625f6ce3 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.c +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c @@ -36,16 +36,10 @@ */ struct omap_encoder { struct drm_encoder base; - struct omap_dss_device *dssdev; + struct omap_dss_device *output; + struct omap_dss_device *display; }; -struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder) -{ - struct omap_encoder *omap_encoder = to_omap_encoder(encoder); - - return omap_encoder->dssdev; -} - static void omap_encoder_destroy(struct drm_encoder *encoder) { struct omap_encoder *omap_encoder = to_omap_encoder(encoder); @@ -59,16 +53,65 @@ static const struct drm_encoder_funcs omap_encoder_funcs = { }; static void omap_encoder_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) { struct drm_device *dev = encoder->dev; struct omap_encoder *omap_encoder = to_omap_encoder(encoder); - struct omap_dss_device *dssdev = omap_encoder->dssdev; struct drm_connector *connector; + struct omap_dss_device *dssdev; + struct videomode vm = { 0 }; bool hdmi_mode; int r; + drm_display_mode_to_videomode(adjusted_mode, &vm); + + /* + * HACK: This fixes the vm flags. + * struct drm_display_mode does not contain the VSYNC/HSYNC/DE flags and + * they get lost when converting back and forth between struct + * drm_display_mode and struct videomode. The hack below goes and + * fetches the missing flags. + * + * A better solution is to use DRM's bus-flags through the whole driver. + */ + for (dssdev = omap_encoder->output; dssdev; dssdev = dssdev->next) { + unsigned long bus_flags = dssdev->bus_flags; + + if (!(vm.flags & (DISPLAY_FLAGS_DE_LOW | + DISPLAY_FLAGS_DE_HIGH))) { + if (bus_flags & DRM_BUS_FLAG_DE_LOW) + vm.flags |= DISPLAY_FLAGS_DE_LOW; + else if (bus_flags & DRM_BUS_FLAG_DE_HIGH) + vm.flags |= DISPLAY_FLAGS_DE_HIGH; + } + + if (!(vm.flags & (DISPLAY_FLAGS_PIXDATA_POSEDGE | + DISPLAY_FLAGS_PIXDATA_NEGEDGE))) { + if (bus_flags & DRM_BUS_FLAG_PIXDATA_POSEDGE) + vm.flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE; + else if (bus_flags & DRM_BUS_FLAG_PIXDATA_NEGEDGE) + vm.flags |= DISPLAY_FLAGS_PIXDATA_NEGEDGE; + } + + if (!(vm.flags & (DISPLAY_FLAGS_SYNC_POSEDGE | + DISPLAY_FLAGS_SYNC_NEGEDGE))) { + if (bus_flags & DRM_BUS_FLAG_SYNC_POSEDGE) + vm.flags |= DISPLAY_FLAGS_SYNC_POSEDGE; + else if (bus_flags & DRM_BUS_FLAG_SYNC_NEGEDGE) + vm.flags |= DISPLAY_FLAGS_SYNC_NEGEDGE; + } + } + + /* Set timings for all devices in the display pipeline. */ + dss_mgr_set_timings(omap_encoder->output, &vm); + + for (dssdev = omap_encoder->output; dssdev; dssdev = dssdev->next) { + if (dssdev->ops->set_timings) + dssdev->ops->set_timings(dssdev, &vm); + } + + /* Set the HDMI mode and HDMI infoframe if applicable. */ hdmi_mode = false; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { if (connector->encoder == encoder) { @@ -77,73 +120,36 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder, } } - if (dssdev->driver->set_hdmi_mode) - dssdev->driver->set_hdmi_mode(dssdev, hdmi_mode); + dssdev = omap_encoder->output; + + if (dssdev->ops->hdmi.set_hdmi_mode) + dssdev->ops->hdmi.set_hdmi_mode(dssdev, hdmi_mode); - if (hdmi_mode && dssdev->driver->set_hdmi_infoframe) { + if (hdmi_mode && dssdev->ops->hdmi.set_infoframe) { struct hdmi_avi_infoframe avi; r = drm_hdmi_avi_infoframe_from_display_mode(&avi, adjusted_mode, false); if (r == 0) - dssdev->driver->set_hdmi_infoframe(dssdev, &avi); + dssdev->ops->hdmi.set_infoframe(dssdev, &avi); } } static void omap_encoder_disable(struct drm_encoder *encoder) { struct omap_encoder *omap_encoder = to_omap_encoder(encoder); - struct omap_dss_device *dssdev = omap_encoder->dssdev; - struct omap_dss_driver *dssdrv = dssdev->driver; + struct omap_dss_device *dssdev = omap_encoder->display; - dssdrv->disable(dssdev); -} - -static int omap_encoder_update(struct drm_encoder *encoder, - enum omap_channel channel, - struct videomode *vm) -{ - struct drm_device *dev = encoder->dev; - struct omap_encoder *omap_encoder = to_omap_encoder(encoder); - struct omap_dss_device *dssdev = omap_encoder->dssdev; - struct omap_dss_driver *dssdrv = dssdev->driver; - int ret; - - if (dssdrv->check_timings) { - ret = dssdrv->check_timings(dssdev, vm); - } else { - struct videomode t = {0}; - - dssdrv->get_timings(dssdev, &t); - - if (memcmp(vm, &t, sizeof(*vm))) - ret = -EINVAL; - else - ret = 0; - } - - if (ret) { - dev_err(dev->dev, "could not set timings: %d\n", ret); - return ret; - } - - if (dssdrv->set_timings) - dssdrv->set_timings(dssdev, vm); - - return 0; + dssdev->ops->disable(dssdev); } static void omap_encoder_enable(struct drm_encoder *encoder) { struct omap_encoder *omap_encoder = to_omap_encoder(encoder); - struct omap_dss_device *dssdev = omap_encoder->dssdev; - struct omap_dss_driver *dssdrv = dssdev->driver; + struct omap_dss_device *dssdev = omap_encoder->display; int r; - omap_encoder_update(encoder, omap_crtc_channel(encoder->crtc), - omap_crtc_timings(encoder->crtc)); - - r = dssdrv->enable(dssdev); + r = dssdev->ops->enable(dssdev); if (r) dev_err(encoder->dev->dev, "Failed to enable display '%s': %d\n", @@ -154,7 +160,36 @@ static int omap_encoder_atomic_check(struct drm_encoder *encoder, struct drm_crtc_state *crtc_state, struct drm_connector_state *conn_state) { - return 0; + struct omap_encoder *omap_encoder = to_omap_encoder(encoder); + enum omap_channel channel = omap_encoder->output->dispc_channel; + struct drm_device *dev = encoder->dev; + struct omap_drm_private *priv = dev->dev_private; + struct omap_dss_device *dssdev; + struct videomode vm = { 0 }; + int ret; + + drm_display_mode_to_videomode(&crtc_state->mode, &vm); + + ret = priv->dispc_ops->mgr_check_timings(priv->dispc, channel, &vm); + if (ret) + goto done; + + for (dssdev = omap_encoder->output; dssdev; dssdev = dssdev->next) { + if (!dssdev->ops->check_timings) + continue; + + ret = dssdev->ops->check_timings(dssdev, &vm); + if (ret) + goto done; + } + + drm_display_mode_from_videomode(&vm, &crtc_state->adjusted_mode); + +done: + if (ret) + dev_err(dev->dev, "invalid timings: %d\n", ret); + + return ret; } static const struct drm_encoder_helper_funcs omap_encoder_helper_funcs = { @@ -166,7 +201,8 @@ static const struct drm_encoder_helper_funcs omap_encoder_helper_funcs = { /* initialize encoder */ struct drm_encoder *omap_encoder_init(struct drm_device *dev, - struct omap_dss_device *dssdev) + struct omap_dss_device *output, + struct omap_dss_device *display) { struct drm_encoder *encoder = NULL; struct omap_encoder *omap_encoder; @@ -175,7 +211,8 @@ struct drm_encoder *omap_encoder_init(struct drm_device *dev, if (!omap_encoder) goto fail; - omap_encoder->dssdev = dssdev; + omap_encoder->output = output; + omap_encoder->display = display; encoder = &omap_encoder->base; diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.h b/drivers/gpu/drm/omapdrm/omap_encoder.h index d2f308bec494..a7b5dde63ecb 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.h +++ b/drivers/gpu/drm/omapdrm/omap_encoder.h @@ -25,9 +25,7 @@ struct drm_encoder; struct omap_dss_device; struct drm_encoder *omap_encoder_init(struct drm_device *dev, - struct omap_dss_device *dssdev); - -/* map crtc to vblank mask */ -struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder); + struct omap_dss_device *output, + struct omap_dss_device *display); #endif /* __OMAPDRM_ENCODER_H__ */ diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c index d958cc813a94..b445309b0143 100644 --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c @@ -243,7 +243,7 @@ void omap_fbdev_init(struct drm_device *dev) struct drm_fb_helper *helper; int ret = 0; - if (!priv->num_crtcs || !priv->num_connectors) + if (!priv->num_pipes) return; fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL); @@ -256,7 +256,7 @@ void omap_fbdev_init(struct drm_device *dev) drm_fb_helper_prepare(dev, helper, &omap_fb_helper_funcs); - ret = drm_fb_helper_init(dev, helper, priv->num_connectors); + ret = drm_fb_helper_init(dev, helper, priv->num_pipes); if (ret) goto fail; diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c b/drivers/gpu/drm/omapdrm/omap_irq.c index c85115049f86..329ad26d6d50 100644 --- a/drivers/gpu/drm/omapdrm/omap_irq.c +++ b/drivers/gpu/drm/omapdrm/omap_irq.c @@ -206,8 +206,8 @@ static irqreturn_t omap_irq_handler(int irq, void *arg) VERB("irqs: %08x", irqstatus); - for (id = 0; id < priv->num_crtcs; id++) { - struct drm_crtc *crtc = priv->crtcs[id]; + for (id = 0; id < priv->num_pipes; id++) { + struct drm_crtc *crtc = priv->pipes[id].crtc; enum omap_channel channel = omap_crtc_channel(crtc); if (irqstatus & priv->dispc_ops->mgr_get_vsync_irq(priv->dispc, channel)) { |