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-rw-r--r--drivers/video/omap2/displays/Kconfig18
-rw-r--r--drivers/video/omap2/displays/Makefile3
-rw-r--r--drivers/video/omap2/displays/panel-generic.c56
-rw-r--r--drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c159
-rw-r--r--drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c77
-rw-r--r--drivers/video/omap2/displays/panel-taal.c253
-rw-r--r--drivers/video/omap2/displays/panel-toppoly-tdo35s.c154
-rw-r--r--drivers/video/omap2/displays/panel-tpo-td043mtea1.c528
8 files changed, 1153 insertions, 95 deletions
diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
index b12a59c9c50a..dfb57ee50861 100644
--- a/drivers/video/omap2/displays/Kconfig
+++ b/drivers/video/omap2/displays/Kconfig
@@ -13,10 +13,28 @@ config PANEL_SHARP_LS037V7DW01
help
LCD Panel used in TI's SDP3430 and EVM boards
+config PANEL_SHARP_LQ043T1DG01
+ tristate "Sharp LQ043T1DG01 LCD Panel"
+ depends on OMAP2_DSS
+ help
+ LCD Panel used in TI's OMAP3517 EVM boards
+
config PANEL_TAAL
tristate "Taal DSI Panel"
depends on OMAP2_DSS_DSI
help
Taal DSI command mode panel from TPO.
+config PANEL_TOPPOLY_TDO35S
+ tristate "Toppoly TDO35S LCD Panel support"
+ depends on OMAP2_DSS
+ help
+ LCD Panel used in CM-T35
+
+config PANEL_TPO_TD043MTEA1
+ tristate "TPO TD043MTEA1 LCD Panel"
+ depends on OMAP2_DSS && I2C
+ help
+ LCD Panel used in OMAP3 Pandora
+
endmenu
diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile
index 955646440b3a..e2bb32168dee 100644
--- a/drivers/video/omap2/displays/Makefile
+++ b/drivers/video/omap2/displays/Makefile
@@ -1,4 +1,7 @@
obj-$(CONFIG_PANEL_GENERIC) += panel-generic.o
obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
+obj-$(CONFIG_PANEL_SHARP_LQ043T1DG01) += panel-sharp-lq043t1dg01.o
obj-$(CONFIG_PANEL_TAAL) += panel-taal.o
+obj-$(CONFIG_PANEL_TOPPOLY_TDO35S) += panel-toppoly-tdo35s.o
+obj-$(CONFIG_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
diff --git a/drivers/video/omap2/displays/panel-generic.c b/drivers/video/omap2/displays/panel-generic.c
index eb48d1afd800..c59e4baed8b2 100644
--- a/drivers/video/omap2/displays/panel-generic.c
+++ b/drivers/video/omap2/displays/panel-generic.c
@@ -35,6 +35,35 @@ static struct omap_video_timings generic_panel_timings = {
.vbp = 7,
};
+static int generic_panel_power_on(struct omap_dss_device *dssdev)
+{
+ int r;
+
+ r = omapdss_dpi_display_enable(dssdev);
+ if (r)
+ goto err0;
+
+ if (dssdev->platform_enable) {
+ r = dssdev->platform_enable(dssdev);
+ if (r)
+ goto err1;
+ }
+
+ return 0;
+err1:
+ omapdss_dpi_display_disable(dssdev);
+err0:
+ return r;
+}
+
+static void generic_panel_power_off(struct omap_dss_device *dssdev)
+{
+ if (dssdev->platform_disable)
+ dssdev->platform_disable(dssdev);
+
+ omapdss_dpi_display_disable(dssdev);
+}
+
static int generic_panel_probe(struct omap_dss_device *dssdev)
{
dssdev->panel.config = OMAP_DSS_LCD_TFT;
@@ -51,27 +80,40 @@ static int generic_panel_enable(struct omap_dss_device *dssdev)
{
int r = 0;
- if (dssdev->platform_enable)
- r = dssdev->platform_enable(dssdev);
+ r = generic_panel_power_on(dssdev);
+ if (r)
+ return r;
- return r;
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ return 0;
}
static void generic_panel_disable(struct omap_dss_device *dssdev)
{
- if (dssdev->platform_disable)
- dssdev->platform_disable(dssdev);
+ generic_panel_power_off(dssdev);
+
+ dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static int generic_panel_suspend(struct omap_dss_device *dssdev)
{
- generic_panel_disable(dssdev);
+ generic_panel_power_off(dssdev);
+ dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
return 0;
}
static int generic_panel_resume(struct omap_dss_device *dssdev)
{
- return generic_panel_enable(dssdev);
+ int r = 0;
+
+ r = generic_panel_power_on(dssdev);
+ if (r)
+ return r;
+
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ return 0;
}
static struct omap_dss_driver generic_driver = {
diff --git a/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c b/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c
new file mode 100644
index 000000000000..10267461991c
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c
@@ -0,0 +1,159 @@
+/*
+ * LCD panel driver for Sharp LQ043T1DG01
+ *
+ * Copyright (C) 2009 Texas Instruments Inc
+ * Author: Vaibhav Hiremath <hvaibhav@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+
+#include <plat/display.h>
+
+static struct omap_video_timings sharp_lq_timings = {
+ .x_res = 480,
+ .y_res = 272,
+
+ .pixel_clock = 9000,
+
+ .hsw = 42,
+ .hfp = 3,
+ .hbp = 2,
+
+ .vsw = 11,
+ .vfp = 3,
+ .vbp = 2,
+};
+
+static int sharp_lq_panel_power_on(struct omap_dss_device *dssdev)
+{
+ int r;
+
+ r = omapdss_dpi_display_enable(dssdev);
+ if (r)
+ goto err0;
+
+ /* wait couple of vsyncs until enabling the LCD */
+ msleep(50);
+
+ if (dssdev->platform_enable) {
+ r = dssdev->platform_enable(dssdev);
+ if (r)
+ goto err1;
+ }
+
+ return 0;
+err1:
+ omapdss_dpi_display_disable(dssdev);
+err0:
+ return r;
+}
+
+static void sharp_lq_panel_power_off(struct omap_dss_device *dssdev)
+{
+ if (dssdev->platform_disable)
+ dssdev->platform_disable(dssdev);
+
+ /* wait at least 5 vsyncs after disabling the LCD */
+ msleep(100);
+
+ omapdss_dpi_display_disable(dssdev);
+}
+
+static int sharp_lq_panel_probe(struct omap_dss_device *dssdev)
+{
+
+ dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+ OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO;
+ dssdev->panel.acb = 0x0;
+ dssdev->panel.timings = sharp_lq_timings;
+
+ return 0;
+}
+
+static void sharp_lq_panel_remove(struct omap_dss_device *dssdev)
+{
+}
+
+static int sharp_lq_panel_enable(struct omap_dss_device *dssdev)
+{
+ int r = 0;
+
+ r = sharp_lq_panel_power_on(dssdev);
+ if (r)
+ return r;
+
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ return 0;
+}
+
+static void sharp_lq_panel_disable(struct omap_dss_device *dssdev)
+{
+ sharp_lq_panel_power_off(dssdev);
+
+ dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int sharp_lq_panel_suspend(struct omap_dss_device *dssdev)
+{
+ sharp_lq_panel_power_off(dssdev);
+ dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+ return 0;
+}
+
+static int sharp_lq_panel_resume(struct omap_dss_device *dssdev)
+{
+ int r = 0;
+
+ r = sharp_lq_panel_power_on(dssdev);
+ if (r)
+ return r;
+
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ return 0;
+}
+
+static struct omap_dss_driver sharp_lq_driver = {
+ .probe = sharp_lq_panel_probe,
+ .remove = sharp_lq_panel_remove,
+
+ .enable = sharp_lq_panel_enable,
+ .disable = sharp_lq_panel_disable,
+ .suspend = sharp_lq_panel_suspend,
+ .resume = sharp_lq_panel_resume,
+
+ .driver = {
+ .name = "sharp_lq_panel",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init sharp_lq_panel_drv_init(void)
+{
+ return omap_dss_register_driver(&sharp_lq_driver);
+}
+
+static void __exit sharp_lq_panel_drv_exit(void)
+{
+ omap_dss_unregister_driver(&sharp_lq_driver);
+}
+
+module_init(sharp_lq_panel_drv_init);
+module_exit(sharp_lq_panel_drv_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
index bbe880bbe795..8d51a5e6341c 100644
--- a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
+++ b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c
@@ -20,19 +20,10 @@
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/device.h>
-#include <linux/regulator/consumer.h>
#include <linux/err.h>
#include <plat/display.h>
-struct sharp_data {
- /* XXX This regulator should actually be in SDP board file, not here,
- * as it doesn't actually power the LCD, but something else that
- * affects the output to LCD (I think. Somebody clarify). It doesn't do
- * harm here, as SDP is the only board using this currently */
- struct regulator *vdvi_reg;
-};
-
static struct omap_video_timings sharp_ls_timings = {
.x_res = 480,
.y_res = 640,
@@ -50,77 +41,81 @@ static struct omap_video_timings sharp_ls_timings = {
static int sharp_ls_panel_probe(struct omap_dss_device *dssdev)
{
- struct sharp_data *sd;
-
dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
OMAP_DSS_LCD_IHS;
dssdev->panel.acb = 0x28;
dssdev->panel.timings = sharp_ls_timings;
- sd = kzalloc(sizeof(*sd), GFP_KERNEL);
- if (!sd)
- return -ENOMEM;
-
- dev_set_drvdata(&dssdev->dev, sd);
-
- sd->vdvi_reg = regulator_get(&dssdev->dev, "vdvi");
- if (IS_ERR(sd->vdvi_reg)) {
- kfree(sd);
- pr_err("failed to get VDVI regulator\n");
- return PTR_ERR(sd->vdvi_reg);
- }
-
return 0;
}
static void sharp_ls_panel_remove(struct omap_dss_device *dssdev)
{
- struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
-
- regulator_put(sd->vdvi_reg);
-
- kfree(sd);
}
-static int sharp_ls_panel_enable(struct omap_dss_device *dssdev)
+static int sharp_ls_power_on(struct omap_dss_device *dssdev)
{
- struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
int r = 0;
+ r = omapdss_dpi_display_enable(dssdev);
+ if (r)
+ goto err0;
+
/* wait couple of vsyncs until enabling the LCD */
msleep(50);
- regulator_enable(sd->vdvi_reg);
-
- if (dssdev->platform_enable)
+ if (dssdev->platform_enable) {
r = dssdev->platform_enable(dssdev);
+ if (r)
+ goto err1;
+ }
+ return 0;
+err1:
+ omapdss_dpi_display_disable(dssdev);
+err0:
return r;
}
-static void sharp_ls_panel_disable(struct omap_dss_device *dssdev)
+static void sharp_ls_power_off(struct omap_dss_device *dssdev)
{
- struct sharp_data *sd = dev_get_drvdata(&dssdev->dev);
-
if (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
- regulator_disable(sd->vdvi_reg);
-
/* wait at least 5 vsyncs after disabling the LCD */
msleep(100);
+
+ omapdss_dpi_display_disable(dssdev);
+}
+
+static int sharp_ls_panel_enable(struct omap_dss_device *dssdev)
+{
+ int r;
+ r = sharp_ls_power_on(dssdev);
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+ return r;
+}
+
+static void sharp_ls_panel_disable(struct omap_dss_device *dssdev)
+{
+ sharp_ls_power_off(dssdev);
+ dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static int sharp_ls_panel_suspend(struct omap_dss_device *dssdev)
{
- sharp_ls_panel_disable(dssdev);
+ sharp_ls_power_off(dssdev);
+ dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
return 0;
}
static int sharp_ls_panel_resume(struct omap_dss_device *dssdev)
{
- return sharp_ls_panel_enable(dssdev);
+ int r;
+ r = sharp_ls_power_on(dssdev);
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+ return r;
}
static struct omap_dss_driver sharp_ls_driver = {
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 1f01dfc5e52e..fcd6a61a91eb 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -63,6 +63,8 @@
/* #define TAAL_USE_ESD_CHECK */
#define TAAL_ESD_CHECK_PERIOD msecs_to_jiffies(5000)
+static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable);
+
struct taal_data {
struct backlight_device *bldev;
@@ -510,15 +512,12 @@ static int taal_probe(struct omap_dss_device *dssdev)
if (td->esd_wq == NULL) {
dev_err(&dssdev->dev, "can't create ESD workqueue\n");
r = -ENOMEM;
- goto err2;
+ goto err1;
}
INIT_DELAYED_WORK_DEFERRABLE(&td->esd_work, taal_esd_work);
dev_set_drvdata(&dssdev->dev, td);
- dssdev->get_timings = taal_get_timings;
- dssdev->get_resolution = taal_get_resolution;
-
/* if no platform set_backlight() defined, presume DSI backlight
* control */
if (!dssdev->set_backlight)
@@ -528,7 +527,7 @@ static int taal_probe(struct omap_dss_device *dssdev)
&taal_bl_ops);
if (IS_ERR(bldev)) {
r = PTR_ERR(bldev);
- goto err1;
+ goto err2;
}
td->bldev = bldev;
@@ -621,14 +620,12 @@ static void taal_remove(struct omap_dss_device *dssdev)
kfree(td);
}
-static int taal_enable(struct omap_dss_device *dssdev)
+static int taal_power_on(struct omap_dss_device *dssdev)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
u8 id1, id2, id3;
int r;
- dev_dbg(&dssdev->dev, "enable\n");
-
if (dssdev->platform_enable) {
r = dssdev->platform_enable(dssdev);
if (r)
@@ -638,6 +635,16 @@ static int taal_enable(struct omap_dss_device *dssdev)
/* it seems we have to wait a bit until taal is ready */
msleep(5);
+ dsi_bus_lock();
+
+ r = omapdss_dsi_display_enable(dssdev);
+ if (r) {
+ dev_err(&dssdev->dev, "failed to enable DSI\n");
+ goto err0;
+ }
+
+ omapdss_dsi_vc_enable_hs(TCH, false);
+
r = taal_sleep_out(td);
if (r)
goto err;
@@ -661,6 +668,10 @@ static int taal_enable(struct omap_dss_device *dssdev)
taal_dcs_write_0(DCS_DISPLAY_ON);
+ r = _taal_enable_te(dssdev, td->te_enabled);
+ if (r)
+ goto err;
+
#ifdef TAAL_USE_ESD_CHECK
queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
#endif
@@ -676,19 +687,27 @@ static int taal_enable(struct omap_dss_device *dssdev)
td->intro_printed = true;
}
+ omapdss_dsi_vc_enable_hs(TCH, true);
+
+ dsi_bus_unlock();
+
return 0;
err:
+ dsi_bus_unlock();
+
+ omapdss_dsi_display_disable(dssdev);
+err0:
if (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
return r;
}
-static void taal_disable(struct omap_dss_device *dssdev)
+static void taal_power_off(struct omap_dss_device *dssdev)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
- dev_dbg(&dssdev->dev, "disable\n");
+ dsi_bus_lock();
cancel_delayed_work(&td->esd_work);
@@ -698,41 +717,124 @@ static void taal_disable(struct omap_dss_device *dssdev)
/* wait a bit so that the message goes through */
msleep(10);
+ omapdss_dsi_display_disable(dssdev);
+
if (dssdev->platform_disable)
dssdev->platform_disable(dssdev);
td->enabled = 0;
+
+ dsi_bus_unlock();
+}
+
+static int taal_enable(struct omap_dss_device *dssdev)
+{
+ int r;
+ dev_dbg(&dssdev->dev, "enable\n");
+
+ if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED)
+ return -EINVAL;
+
+ r = taal_power_on(dssdev);
+ if (r)
+ return r;
+
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ return r;
+}
+
+static void taal_disable(struct omap_dss_device *dssdev)
+{
+ dev_dbg(&dssdev->dev, "disable\n");
+
+ if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+ taal_power_off(dssdev);
+
+ dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
static int taal_suspend(struct omap_dss_device *dssdev)
{
- struct taal_data *td = dev_get_drvdata(&dssdev->dev);
- struct backlight_device *bldev = td->bldev;
+ dev_dbg(&dssdev->dev, "suspend\n");
- bldev->props.power = FB_BLANK_POWERDOWN;
- taal_bl_update_status(bldev);
+ if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+ return -EINVAL;
+
+ taal_power_off(dssdev);
+ dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
return 0;
}
static int taal_resume(struct omap_dss_device *dssdev)
{
+ int r;
+ dev_dbg(&dssdev->dev, "resume\n");
+
+ if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED)
+ return -EINVAL;
+
+ r = taal_power_on(dssdev);
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+ return r;
+}
+
+static void taal_framedone_cb(int err, void *data)
+{
+ struct omap_dss_device *dssdev = data;
+ dev_dbg(&dssdev->dev, "framedone, err %d\n", err);
+ dsi_bus_unlock();
+}
+
+static int taal_update(struct omap_dss_device *dssdev,
+ u16 x, u16 y, u16 w, u16 h)
+{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
- struct backlight_device *bldev = td->bldev;
+ int r;
- bldev->props.power = FB_BLANK_UNBLANK;
- taal_bl_update_status(bldev);
+ dev_dbg(&dssdev->dev, "update %d, %d, %d x %d\n", x, y, w, h);
+
+ dsi_bus_lock();
+
+ if (!td->enabled) {
+ r = 0;
+ goto err;
+ }
+
+ r = omap_dsi_prepare_update(dssdev, &x, &y, &w, &h);
+ if (r)
+ goto err;
+
+ r = taal_set_update_window(x, y, w, h);
+ if (r)
+ goto err;
+
+ r = omap_dsi_update(dssdev, TCH, x, y, w, h,
+ taal_framedone_cb, dssdev);
+ if (r)
+ goto err;
+ /* note: no bus_unlock here. unlock is in framedone_cb */
return 0;
+err:
+ dsi_bus_unlock();
+ return r;
}
-static void taal_setup_update(struct omap_dss_device *dssdev,
- u16 x, u16 y, u16 w, u16 h)
+static int taal_sync(struct omap_dss_device *dssdev)
{
- taal_set_update_window(x, y, w, h);
+ dev_dbg(&dssdev->dev, "sync\n");
+
+ dsi_bus_lock();
+ dsi_bus_unlock();
+
+ dev_dbg(&dssdev->dev, "sync done\n");
+
+ return 0;
}
-static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
+static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
int r;
@@ -744,25 +846,32 @@ static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
else
r = taal_dcs_write_0(DCS_TEAR_OFF);
+ omapdss_dsi_enable_te(dssdev, enable);
+
+ /* XXX for some reason, DSI TE breaks if we don't wait here.
+ * Panel bug? Needs more studying */
+ msleep(100);
+
return r;
}
-static int taal_wait_te(struct omap_dss_device *dssdev)
+static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
{
- struct taal_data *td = dev_get_drvdata(&dssdev->dev);
- long wait = msecs_to_jiffies(500);
+ int r;
- if (!td->use_ext_te || !td->te_enabled)
- return 0;
+ dsi_bus_lock();
- INIT_COMPLETION(td->te_completion);
- wait = wait_for_completion_timeout(&td->te_completion, wait);
- if (wait == 0) {
- dev_err(&dssdev->dev, "timeout waiting TE\n");
- return -ETIME;
- }
+ r = _taal_enable_te(dssdev, enable);
- return 0;
+ dsi_bus_unlock();
+
+ return r;
+}
+
+static int taal_get_te(struct omap_dss_device *dssdev)
+{
+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+ return td->te_enabled;
}
static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
@@ -772,16 +881,21 @@ static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
dev_dbg(&dssdev->dev, "rotate %d\n", rotate);
+ dsi_bus_lock();
+
if (td->enabled) {
r = taal_set_addr_mode(rotate, td->mirror);
-
if (r)
- return r;
+ goto err;
}
td->rotate = rotate;
+ dsi_bus_unlock();
return 0;
+err:
+ dsi_bus_unlock();
+ return r;
}
static u8 taal_get_rotate(struct omap_dss_device *dssdev)
@@ -797,16 +911,20 @@ static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
dev_dbg(&dssdev->dev, "mirror %d\n", enable);
+ dsi_bus_lock();
if (td->enabled) {
r = taal_set_addr_mode(td->rotate, enable);
-
if (r)
- return r;
+ goto err;
}
td->mirror = enable;
+ dsi_bus_unlock();
return 0;
+err:
+ dsi_bus_unlock();
+ return r;
}
static bool taal_get_mirror(struct omap_dss_device *dssdev)
@@ -820,17 +938,23 @@ static int taal_run_test(struct omap_dss_device *dssdev, int test_num)
u8 id1, id2, id3;
int r;
+ dsi_bus_lock();
+
r = taal_dcs_read_1(DCS_GET_ID1, &id1);
if (r)
- return r;
+ goto err;
r = taal_dcs_read_1(DCS_GET_ID2, &id2);
if (r)
- return r;
+ goto err;
r = taal_dcs_read_1(DCS_GET_ID3, &id3);
if (r)
- return r;
+ goto err;
+ dsi_bus_unlock();
return 0;
+err:
+ dsi_bus_unlock();
+ return r;
}
static int taal_memory_read(struct omap_dss_device *dssdev,
@@ -841,6 +965,10 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
int first = 1;
int plen;
unsigned buf_used = 0;
+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+
+ if (!td->enabled)
+ return -ENODEV;
if (size < w * h * 3)
return -ENOMEM;
@@ -849,6 +977,8 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
dssdev->panel.timings.x_res *
dssdev->panel.timings.y_res * 3);
+ dsi_bus_lock();
+
/* plen 1 or 2 goes into short packet. until checksum error is fixed,
* use short packets. plen 32 works, but bigger packets seem to cause
* an error. */
@@ -857,11 +987,11 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
else
plen = 2;
- taal_setup_update(dssdev, x, y, w, h);
+ taal_set_update_window(x, y, w, h);
r = dsi_vc_set_max_rx_packet_size(TCH, plen);
if (r)
- return r;
+ goto err0;
while (buf_used < size) {
u8 dcs_cmd = first ? 0x2e : 0x3e;
@@ -894,7 +1024,8 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
err:
dsi_vc_set_max_rx_packet_size(TCH, 1);
-
+err0:
+ dsi_bus_unlock();
return r;
}
@@ -939,8 +1070,11 @@ static void taal_esd_work(struct work_struct *work)
}
/* Self-diagnostics result is also shown on TE GPIO line. We need
* to re-enable TE after self diagnostics */
- if (td->use_ext_te && td->te_enabled)
- taal_enable_te(dssdev, true);
+ if (td->use_ext_te && td->te_enabled) {
+ r = taal_dcs_write_1(DCS_TEAR_ON, 0);
+ if (r)
+ goto err;
+ }
dsi_bus_unlock();
@@ -958,6 +1092,20 @@ err:
queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
}
+static int taal_set_update_mode(struct omap_dss_device *dssdev,
+ enum omap_dss_update_mode mode)
+{
+ if (mode != OMAP_DSS_UPDATE_MANUAL)
+ return -EINVAL;
+ return 0;
+}
+
+static enum omap_dss_update_mode taal_get_update_mode(
+ struct omap_dss_device *dssdev)
+{
+ return OMAP_DSS_UPDATE_MANUAL;
+}
+
static struct omap_dss_driver taal_driver = {
.probe = taal_probe,
.remove = taal_remove,
@@ -967,9 +1115,18 @@ static struct omap_dss_driver taal_driver = {
.suspend = taal_suspend,
.resume = taal_resume,
- .setup_update = taal_setup_update,
+ .set_update_mode = taal_set_update_mode,
+ .get_update_mode = taal_get_update_mode,
+
+ .update = taal_update,
+ .sync = taal_sync,
+
+ .get_resolution = taal_get_resolution,
+ .get_recommended_bpp = omapdss_default_get_recommended_bpp,
+
.enable_te = taal_enable_te,
- .wait_for_te = taal_wait_te,
+ .get_te = taal_get_te,
+
.set_rotate = taal_rotate,
.get_rotate = taal_get_rotate,
.set_mirror = taal_mirror,
@@ -977,6 +1134,8 @@ static struct omap_dss_driver taal_driver = {
.run_test = taal_run_test,
.memory_read = taal_memory_read,
+ .get_timings = taal_get_timings,
+
.driver = {
.name = "taal",
.owner = THIS_MODULE,
diff --git a/drivers/video/omap2/displays/panel-toppoly-tdo35s.c b/drivers/video/omap2/displays/panel-toppoly-tdo35s.c
new file mode 100644
index 000000000000..fa434ca6e4b7
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-toppoly-tdo35s.c
@@ -0,0 +1,154 @@
+/*
+ * LCD panel driver for Toppoly TDO35S
+ *
+ * Copyright (C) 2009 CompuLab, Ltd.
+ * Author: Mike Rapoport <mike@compulab.co.il>
+ *
+ * Based on generic panel support
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+
+#include <plat/display.h>
+
+static struct omap_video_timings toppoly_tdo_panel_timings = {
+ /* 640 x 480 @ 60 Hz Reduced blanking VESA CVT 0.31M3-R */
+ .x_res = 480,
+ .y_res = 640,
+
+ .pixel_clock = 26000,
+
+ .hfp = 104,
+ .hsw = 8,
+ .hbp = 8,
+
+ .vfp = 4,
+ .vsw = 2,
+ .vbp = 2,
+};
+
+static int toppoly_tdo_panel_power_on(struct omap_dss_device *dssdev)
+{
+ int r;
+
+ r = omapdss_dpi_display_enable(dssdev);
+ if (r)
+ goto err0;
+
+ if (dssdev->platform_enable) {
+ r = dssdev->platform_enable(dssdev);
+ if (r)
+ goto err1;
+ }
+
+ return 0;
+err1:
+ omapdss_dpi_display_disable(dssdev);
+err0:
+ return r;
+}
+
+static void toppoly_tdo_panel_power_off(struct omap_dss_device *dssdev)
+{
+ if (dssdev->platform_disable)
+ dssdev->platform_disable(dssdev);
+
+ omapdss_dpi_display_disable(dssdev);
+}
+
+static int toppoly_tdo_panel_probe(struct omap_dss_device *dssdev)
+{
+ dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+ OMAP_DSS_LCD_IHS;
+ dssdev->panel.timings = toppoly_tdo_panel_timings;
+
+ return 0;
+}
+
+static void toppoly_tdo_panel_remove(struct omap_dss_device *dssdev)
+{
+}
+
+static int toppoly_tdo_panel_enable(struct omap_dss_device *dssdev)
+{
+ int r = 0;
+
+ r = toppoly_tdo_panel_power_on(dssdev);
+ if (r)
+ return r;
+
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ return 0;
+}
+
+static void toppoly_tdo_panel_disable(struct omap_dss_device *dssdev)
+{
+ toppoly_tdo_panel_power_off(dssdev);
+
+ dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int toppoly_tdo_panel_suspend(struct omap_dss_device *dssdev)
+{
+ toppoly_tdo_panel_power_off(dssdev);
+ dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+ return 0;
+}
+
+static int toppoly_tdo_panel_resume(struct omap_dss_device *dssdev)
+{
+ int r = 0;
+
+ r = toppoly_tdo_panel_power_on(dssdev);
+ if (r)
+ return r;
+
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ return 0;
+}
+
+static struct omap_dss_driver generic_driver = {
+ .probe = toppoly_tdo_panel_probe,
+ .remove = toppoly_tdo_panel_remove,
+
+ .enable = toppoly_tdo_panel_enable,
+ .disable = toppoly_tdo_panel_disable,
+ .suspend = toppoly_tdo_panel_suspend,
+ .resume = toppoly_tdo_panel_resume,
+
+ .driver = {
+ .name = "toppoly_tdo35s_panel",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init toppoly_tdo_panel_drv_init(void)
+{
+ return omap_dss_register_driver(&generic_driver);
+}
+
+static void __exit toppoly_tdo_panel_drv_exit(void)
+{
+ omap_dss_unregister_driver(&generic_driver);
+}
+
+module_init(toppoly_tdo_panel_drv_init);
+module_exit(toppoly_tdo_panel_drv_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/omap2/displays/panel-tpo-td043mtea1.c b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
new file mode 100644
index 000000000000..d578feee3550
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-tpo-td043mtea1.c
@@ -0,0 +1,528 @@
+/*
+ * LCD panel driver for TPO TD043MTEA1
+ *
+ * Author: Gražvydas Ignotas <notasas@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (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.h>
+#include <linux/err.h>
+
+#include <plat/display.h>
+
+#define TPO_R02_MODE(x) ((x) & 7)
+#define TPO_R02_MODE_800x480 7
+#define TPO_R02_NCLK_RISING BIT(3)
+#define TPO_R02_HSYNC_HIGH BIT(4)
+#define TPO_R02_VSYNC_HIGH BIT(5)
+
+#define TPO_R03_NSTANDBY BIT(0)
+#define TPO_R03_EN_CP_CLK BIT(1)
+#define TPO_R03_EN_VGL_PUMP BIT(2)
+#define TPO_R03_EN_PWM BIT(3)
+#define TPO_R03_DRIVING_CAP_100 BIT(4)
+#define TPO_R03_EN_PRE_CHARGE BIT(6)
+#define TPO_R03_SOFTWARE_CTL BIT(7)
+
+#define TPO_R04_NFLIP_H BIT(0)
+#define TPO_R04_NFLIP_V BIT(1)
+#define TPO_R04_CP_CLK_FREQ_1H BIT(2)
+#define TPO_R04_VGL_FREQ_1H BIT(4)
+
+#define TPO_R03_VAL_NORMAL (TPO_R03_NSTANDBY | TPO_R03_EN_CP_CLK | \
+ TPO_R03_EN_VGL_PUMP | TPO_R03_EN_PWM | \
+ TPO_R03_DRIVING_CAP_100 | TPO_R03_EN_PRE_CHARGE | \
+ TPO_R03_SOFTWARE_CTL)
+
+#define TPO_R03_VAL_STANDBY (TPO_R03_DRIVING_CAP_100 | \
+ TPO_R03_EN_PRE_CHARGE | TPO_R03_SOFTWARE_CTL)
+
+static const u16 tpo_td043_def_gamma[12] = {
+ 106, 200, 289, 375, 460, 543, 625, 705, 785, 864, 942, 1020
+};
+
+struct tpo_td043_device {
+ struct spi_device *spi;
+ struct regulator *vcc_reg;
+ u16 gamma[12];
+ u32 mode;
+ u32 hmirror:1;
+ u32 vmirror:1;
+};
+
+static int tpo_td043_write(struct spi_device *spi, u8 addr, u8 data)
+{
+ struct spi_message m;
+ struct spi_transfer xfer;
+ u16 w;
+ int r;
+
+ spi_message_init(&m);
+
+ memset(&xfer, 0, sizeof(xfer));
+
+ w = ((u16)addr << 10) | (1 << 8) | data;
+ xfer.tx_buf = &w;
+ xfer.bits_per_word = 16;
+ xfer.len = 2;
+ spi_message_add_tail(&xfer, &m);
+
+ r = spi_sync(spi, &m);
+ if (r < 0)
+ dev_warn(&spi->dev, "failed to write to LCD reg (%d)\n", r);
+ return r;
+}
+
+static void tpo_td043_write_gamma(struct spi_device *spi, u16 gamma[12])
+{
+ u8 i, val;
+
+ /* gamma bits [9:8] */
+ for (val = i = 0; i < 4; i++)
+ val |= (gamma[i] & 0x300) >> ((i + 1) * 2);
+ tpo_td043_write(spi, 0x11, val);
+
+ for (val = i = 0; i < 4; i++)
+ val |= (gamma[i+4] & 0x300) >> ((i + 1) * 2);
+ tpo_td043_write(spi, 0x12, val);
+
+ for (val = i = 0; i < 4; i++)
+ val |= (gamma[i+8] & 0x300) >> ((i + 1) * 2);
+ tpo_td043_write(spi, 0x13, val);
+
+ /* gamma bits [7:0] */
+ for (val = i = 0; i < 12; i++)
+ tpo_td043_write(spi, 0x14 + i, gamma[i] & 0xff);
+}
+
+static int tpo_td043_write_mirror(struct spi_device *spi, bool h, bool v)
+{
+ u8 reg4 = TPO_R04_NFLIP_H | TPO_R04_NFLIP_V | \
+ TPO_R04_CP_CLK_FREQ_1H | TPO_R04_VGL_FREQ_1H;
+ if (h)
+ reg4 &= ~TPO_R04_NFLIP_H;
+ if (v)
+ reg4 &= ~TPO_R04_NFLIP_V;
+
+ return tpo_td043_write(spi, 4, reg4);
+}
+
+static int tpo_td043_set_hmirror(struct omap_dss_device *dssdev, bool enable)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+
+ tpo_td043->hmirror = enable;
+ return tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror,
+ tpo_td043->vmirror);
+}
+
+static bool tpo_td043_get_hmirror(struct omap_dss_device *dssdev)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+
+ return tpo_td043->hmirror;
+}
+
+static ssize_t tpo_td043_vmirror_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", tpo_td043->vmirror);
+}
+
+static ssize_t tpo_td043_vmirror_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+ long val;
+ int ret;
+
+ ret = strict_strtol(buf, 0, &val);
+ if (ret < 0)
+ return ret;
+
+ ret = tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror, val);
+ if (ret < 0)
+ return ret;
+
+ tpo_td043->vmirror = val;
+
+ return count;
+}
+
+static ssize_t tpo_td043_mode_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", tpo_td043->mode);
+}
+
+static ssize_t tpo_td043_mode_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+ long val;
+ int ret;
+
+ ret = strict_strtol(buf, 0, &val);
+ if (ret != 0 || val & ~7)
+ return -EINVAL;
+
+ tpo_td043->mode = val;
+
+ val |= TPO_R02_NCLK_RISING;
+ tpo_td043_write(tpo_td043->spi, 2, val);
+
+ return count;
+}
+
+static ssize_t tpo_td043_gamma_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+ ssize_t len = 0;
+ int ret;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(tpo_td043->gamma); i++) {
+ ret = snprintf(buf + len, PAGE_SIZE - len, "%u ",
+ tpo_td043->gamma[i]);
+ if (ret < 0)
+ return ret;
+ len += ret;
+ }
+ buf[len - 1] = '\n';
+
+ return len;
+}
+
+static ssize_t tpo_td043_gamma_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(dev);
+ unsigned int g[12];
+ int ret;
+ int i;
+
+ ret = sscanf(buf, "%u %u %u %u %u %u %u %u %u %u %u %u",
+ &g[0], &g[1], &g[2], &g[3], &g[4], &g[5],
+ &g[6], &g[7], &g[8], &g[9], &g[10], &g[11]);
+
+ if (ret != 12)
+ return -EINVAL;
+
+ for (i = 0; i < 12; i++)
+ tpo_td043->gamma[i] = g[i];
+
+ tpo_td043_write_gamma(tpo_td043->spi, tpo_td043->gamma);
+
+ return count;
+}
+
+static DEVICE_ATTR(vmirror, S_IRUGO | S_IWUSR,
+ tpo_td043_vmirror_show, tpo_td043_vmirror_store);
+static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,
+ tpo_td043_mode_show, tpo_td043_mode_store);
+static DEVICE_ATTR(gamma, S_IRUGO | S_IWUSR,
+ tpo_td043_gamma_show, tpo_td043_gamma_store);
+
+static struct attribute *tpo_td043_attrs[] = {
+ &dev_attr_vmirror.attr,
+ &dev_attr_mode.attr,
+ &dev_attr_gamma.attr,
+ NULL,
+};
+
+static struct attribute_group tpo_td043_attr_group = {
+ .attrs = tpo_td043_attrs,
+};
+
+static const struct omap_video_timings tpo_td043_timings = {
+ .x_res = 800,
+ .y_res = 480,
+
+ .pixel_clock = 36000,
+
+ .hsw = 1,
+ .hfp = 68,
+ .hbp = 214,
+
+ .vsw = 1,
+ .vfp = 39,
+ .vbp = 34,
+};
+
+static int tpo_td043_power_on(struct omap_dss_device *dssdev)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+ int nreset_gpio = dssdev->reset_gpio;
+ int r;
+
+ r = omapdss_dpi_display_enable(dssdev);
+ if (r)
+ goto err0;
+
+ if (dssdev->platform_enable) {
+ r = dssdev->platform_enable(dssdev);
+ if (r)
+ goto err1;
+ }
+
+ regulator_enable(tpo_td043->vcc_reg);
+
+ /* wait for power up */
+ msleep(160);
+
+ if (gpio_is_valid(nreset_gpio))
+ gpio_set_value(nreset_gpio, 1);
+
+ tpo_td043_write(tpo_td043->spi, 2,
+ TPO_R02_MODE(tpo_td043->mode) | TPO_R02_NCLK_RISING);
+ tpo_td043_write(tpo_td043->spi, 3, TPO_R03_VAL_NORMAL);
+ tpo_td043_write(tpo_td043->spi, 0x20, 0xf0);
+ tpo_td043_write(tpo_td043->spi, 0x21, 0xf0);
+ tpo_td043_write_mirror(tpo_td043->spi, tpo_td043->hmirror,
+ tpo_td043->vmirror);
+ tpo_td043_write_gamma(tpo_td043->spi, tpo_td043->gamma);
+
+ return 0;
+err1:
+ omapdss_dpi_display_disable(dssdev);
+err0:
+ return r;
+}
+
+static void tpo_td043_power_off(struct omap_dss_device *dssdev)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+ int nreset_gpio = dssdev->reset_gpio;
+
+ tpo_td043_write(tpo_td043->spi, 3,
+ TPO_R03_VAL_STANDBY | TPO_R03_EN_PWM);
+
+ if (gpio_is_valid(nreset_gpio))
+ gpio_set_value(nreset_gpio, 0);
+
+ /* wait for at least 2 vsyncs before cutting off power */
+ msleep(50);
+
+ tpo_td043_write(tpo_td043->spi, 3, TPO_R03_VAL_STANDBY);
+
+ regulator_disable(tpo_td043->vcc_reg);
+
+ if (dssdev->platform_disable)
+ dssdev->platform_disable(dssdev);
+
+ omapdss_dpi_display_disable(dssdev);
+}
+
+static int tpo_td043_enable(struct omap_dss_device *dssdev)
+{
+ int ret;
+
+ dev_dbg(&dssdev->dev, "enable\n");
+
+ ret = tpo_td043_power_on(dssdev);
+ if (ret)
+ return ret;
+
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ return 0;
+}
+
+static void tpo_td043_disable(struct omap_dss_device *dssdev)
+{
+ dev_dbg(&dssdev->dev, "disable\n");
+
+ tpo_td043_power_off(dssdev);
+
+ dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int tpo_td043_suspend(struct omap_dss_device *dssdev)
+{
+ tpo_td043_power_off(dssdev);
+ dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+ return 0;
+}
+
+static int tpo_td043_resume(struct omap_dss_device *dssdev)
+{
+ int r = 0;
+
+ r = tpo_td043_power_on(dssdev);
+ if (r)
+ return r;
+
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ return 0;
+}
+
+static int tpo_td043_probe(struct omap_dss_device *dssdev)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+ int nreset_gpio = dssdev->reset_gpio;
+ int ret = 0;
+
+ dev_dbg(&dssdev->dev, "probe\n");
+
+ if (tpo_td043 == NULL) {
+ dev_err(&dssdev->dev, "missing tpo_td043_device\n");
+ return -ENODEV;
+ }
+
+ dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IHS |
+ OMAP_DSS_LCD_IVS | OMAP_DSS_LCD_IPC;
+ dssdev->panel.timings = tpo_td043_timings;
+ dssdev->ctrl.pixel_size = 24;
+
+ tpo_td043->mode = TPO_R02_MODE_800x480;
+ memcpy(tpo_td043->gamma, tpo_td043_def_gamma, sizeof(tpo_td043->gamma));
+
+ tpo_td043->vcc_reg = regulator_get(&dssdev->dev, "vcc");
+ if (IS_ERR(tpo_td043->vcc_reg)) {
+ dev_err(&dssdev->dev, "failed to get LCD VCC regulator\n");
+ ret = PTR_ERR(tpo_td043->vcc_reg);
+ goto fail_regulator;
+ }
+
+ if (gpio_is_valid(nreset_gpio)) {
+ ret = gpio_request(nreset_gpio, "lcd reset");
+ if (ret < 0) {
+ dev_err(&dssdev->dev, "couldn't request reset GPIO\n");
+ goto fail_gpio_req;
+ }
+
+ ret = gpio_direction_output(nreset_gpio, 0);
+ if (ret < 0) {
+ dev_err(&dssdev->dev, "couldn't set GPIO direction\n");
+ goto fail_gpio_direction;
+ }
+ }
+
+ ret = sysfs_create_group(&dssdev->dev.kobj, &tpo_td043_attr_group);
+ if (ret)
+ dev_warn(&dssdev->dev, "failed to create sysfs files\n");
+
+ return 0;
+
+fail_gpio_direction:
+ gpio_free(nreset_gpio);
+fail_gpio_req:
+ regulator_put(tpo_td043->vcc_reg);
+fail_regulator:
+ kfree(tpo_td043);
+ return ret;
+}
+
+static void tpo_td043_remove(struct omap_dss_device *dssdev)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+ int nreset_gpio = dssdev->reset_gpio;
+
+ dev_dbg(&dssdev->dev, "remove\n");
+
+ sysfs_remove_group(&dssdev->dev.kobj, &tpo_td043_attr_group);
+ regulator_put(tpo_td043->vcc_reg);
+ if (gpio_is_valid(nreset_gpio))
+ gpio_free(nreset_gpio);
+}
+
+static struct omap_dss_driver tpo_td043_driver = {
+ .probe = tpo_td043_probe,
+ .remove = tpo_td043_remove,
+
+ .enable = tpo_td043_enable,
+ .disable = tpo_td043_disable,
+ .suspend = tpo_td043_suspend,
+ .resume = tpo_td043_resume,
+ .set_mirror = tpo_td043_set_hmirror,
+ .get_mirror = tpo_td043_get_hmirror,
+
+ .driver = {
+ .name = "tpo_td043mtea1_panel",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int tpo_td043_spi_probe(struct spi_device *spi)
+{
+ struct omap_dss_device *dssdev = spi->dev.platform_data;
+ struct tpo_td043_device *tpo_td043;
+ int ret;
+
+ if (dssdev == NULL) {
+ dev_err(&spi->dev, "missing dssdev\n");
+ return -ENODEV;
+ }
+
+ spi->bits_per_word = 16;
+ spi->mode = SPI_MODE_0;
+
+ ret = spi_setup(spi);
+ if (ret < 0) {
+ dev_err(&spi->dev, "spi_setup failed: %d\n", ret);
+ return ret;
+ }
+
+ tpo_td043 = kzalloc(sizeof(*tpo_td043), GFP_KERNEL);
+ if (tpo_td043 == NULL)
+ return -ENOMEM;
+
+ tpo_td043->spi = spi;
+ dev_set_drvdata(&spi->dev, tpo_td043);
+ dev_set_drvdata(&dssdev->dev, tpo_td043);
+
+ omap_dss_register_driver(&tpo_td043_driver);
+
+ return 0;
+}
+
+static int __devexit tpo_td043_spi_remove(struct spi_device *spi)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&spi->dev);
+
+ omap_dss_unregister_driver(&tpo_td043_driver);
+ kfree(tpo_td043);
+
+ return 0;
+}
+
+static struct spi_driver tpo_td043_spi_driver = {
+ .driver = {
+ .name = "tpo_td043mtea1_panel_spi",
+ .bus = &spi_bus_type,
+ .owner = THIS_MODULE,
+ },
+ .probe = tpo_td043_spi_probe,
+ .remove = __devexit_p(tpo_td043_spi_remove),
+};
+
+static int __init tpo_td043_init(void)
+{
+ return spi_register_driver(&tpo_td043_spi_driver);
+}
+
+static void __exit tpo_td043_exit(void)
+{
+ spi_unregister_driver(&tpo_td043_spi_driver);
+}
+
+module_init(tpo_td043_init);
+module_exit(tpo_td043_exit);
+
+MODULE_AUTHOR("Gražvydas Ignotas <notasas@gmail.com>");
+MODULE_DESCRIPTION("TPO TD043MTEA1 LCD Driver");
+MODULE_LICENSE("GPL");