diff options
Diffstat (limited to 'drivers/gpu/drm/tinydrm/ili9341.c')
| -rw-r--r-- | drivers/gpu/drm/tinydrm/ili9341.c | 59 |
1 files changed, 46 insertions, 13 deletions
diff --git a/drivers/gpu/drm/tinydrm/ili9341.c b/drivers/gpu/drm/tinydrm/ili9341.c index 713bb2dd7e04..d15f85e837ae 100644 --- a/drivers/gpu/drm/tinydrm/ili9341.c +++ b/drivers/gpu/drm/tinydrm/ili9341.c @@ -15,7 +15,9 @@ #include <linux/property.h> #include <linux/spi/spi.h> +#include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> +#include <drm/drm_fb_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_modeset_helper.h> @@ -52,16 +54,18 @@ static void yx240qv29_enable(struct drm_simple_display_pipe *pipe, struct drm_crtc_state *crtc_state, struct drm_plane_state *plane_state) { - struct tinydrm_device *tdev = pipe_to_tinydrm(pipe); - struct mipi_dbi *mipi = mipi_dbi_from_tinydrm(tdev); + struct mipi_dbi *mipi = drm_to_mipi_dbi(pipe->crtc.dev); u8 addr_mode; - int ret; + int ret, idx; + + if (!drm_dev_enter(pipe->crtc.dev, &idx)) + return; DRM_DEBUG_KMS("\n"); ret = mipi_dbi_poweron_conditional_reset(mipi); if (ret < 0) - return; + goto out_exit; if (ret == 1) goto out_enable; @@ -127,6 +131,8 @@ out_enable: addr_mode |= ILI9341_MADCTL_BGR; mipi_dbi_command(mipi, MIPI_DCS_SET_ADDRESS_MODE, addr_mode); mipi_dbi_enable_flush(mipi, crtc_state, plane_state); +out_exit: + drm_dev_exit(idx); } static const struct drm_simple_display_pipe_funcs ili9341_pipe_funcs = { @@ -137,7 +143,7 @@ static const struct drm_simple_display_pipe_funcs ili9341_pipe_funcs = { }; static const struct drm_display_mode yx240qv29_mode = { - TINYDRM_MODE(240, 320, 37, 49), + DRM_SIMPLE_MODE(240, 320, 37, 49), }; DEFINE_DRM_GEM_CMA_FOPS(ili9341_fops); @@ -145,6 +151,7 @@ DEFINE_DRM_GEM_CMA_FOPS(ili9341_fops); static struct drm_driver ili9341_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_ATOMIC, .fops = &ili9341_fops, + .release = mipi_dbi_release, DRM_GEM_CMA_VMAP_DRIVER_OPS, .debugfs_init = mipi_dbi_debugfs_init, .name = "ili9341", @@ -169,15 +176,25 @@ MODULE_DEVICE_TABLE(spi, ili9341_id); static int ili9341_probe(struct spi_device *spi) { struct device *dev = &spi->dev; + struct drm_device *drm; struct mipi_dbi *mipi; struct gpio_desc *dc; u32 rotation = 0; int ret; - mipi = devm_kzalloc(dev, sizeof(*mipi), GFP_KERNEL); + mipi = kzalloc(sizeof(*mipi), GFP_KERNEL); if (!mipi) return -ENOMEM; + drm = &mipi->drm; + ret = devm_drm_dev_init(dev, drm, &ili9341_driver); + if (ret) { + kfree(mipi); + return ret; + } + + drm_mode_config_init(drm); + mipi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(mipi->reset)) { DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n"); @@ -200,21 +217,36 @@ static int ili9341_probe(struct spi_device *spi) if (ret) return ret; - ret = mipi_dbi_init(&spi->dev, mipi, &ili9341_pipe_funcs, - &ili9341_driver, &yx240qv29_mode, rotation); + ret = mipi_dbi_init(mipi, &ili9341_pipe_funcs, &yx240qv29_mode, rotation); if (ret) return ret; - spi_set_drvdata(spi, mipi); + drm_mode_config_reset(drm); - return devm_tinydrm_register(&mipi->tinydrm); + ret = drm_dev_register(drm, 0); + if (ret) + return ret; + + spi_set_drvdata(spi, drm); + + drm_fbdev_generic_setup(drm, 32); + + return 0; } -static void ili9341_shutdown(struct spi_device *spi) +static int ili9341_remove(struct spi_device *spi) { - struct mipi_dbi *mipi = spi_get_drvdata(spi); + struct drm_device *drm = spi_get_drvdata(spi); + + drm_dev_unplug(drm); + drm_atomic_helper_shutdown(drm); - tinydrm_shutdown(&mipi->tinydrm); + return 0; +} + +static void ili9341_shutdown(struct spi_device *spi) +{ + drm_atomic_helper_shutdown(spi_get_drvdata(spi)); } static struct spi_driver ili9341_spi_driver = { @@ -224,6 +256,7 @@ static struct spi_driver ili9341_spi_driver = { }, .id_table = ili9341_id, .probe = ili9341_probe, + .remove = ili9341_remove, .shutdown = ili9341_shutdown, }; module_spi_driver(ili9341_spi_driver); |