diff options
| -rw-r--r-- | drivers/gpu/drm/panel/panel-simple.c | 94 |
1 files changed, 87 insertions, 7 deletions
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 767b7bef199f..3e611afc93f4 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -31,6 +31,7 @@ #include <drm/drmP.h> #include <drm/drm_crtc.h> +#include <drm/drm_mipi_dsi.h> #include <drm/drm_panel.h> struct panel_desc { @@ -378,6 +379,13 @@ static struct platform_driver panel_simple_platform_driver = { .remove = panel_simple_platform_remove, }; +struct panel_desc_dsi { + struct panel_desc desc; + + enum mipi_dsi_pixel_format format; + unsigned int lanes; +}; + static const struct drm_display_mode panasonic_vvx10f004b00_mode = { .clock = 157200, .hdisplay = 1920, @@ -391,23 +399,95 @@ static const struct drm_display_mode panasonic_vvx10f004b00_mode = { .vrefresh = 60, }; -static const struct panel_desc panasonic_vvx10f004b00 = { - .modes = &panasonic_vvx10f004b00_mode, - .num_modes = 1, - .size = { - .width = 217, - .height = 136, +static const struct panel_desc_dsi panasonic_vvx10f004b00 = { + .desc = { + .modes = &panasonic_vvx10f004b00_mode, + .num_modes = 1, + .size = { + .width = 217, + .height = 136, + }, }, + .format = MIPI_DSI_FMT_RGB888, + .lanes = 4, +}; + +static const struct of_device_id dsi_of_match[] = { + { + .compatible = "panasonic,vvx10f004b00", + .data = &panasonic_vvx10f004b00 + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(of, dsi_of_match); + +static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi) +{ + const struct panel_desc_dsi *desc; + const struct of_device_id *id; + int err; + + id = of_match_node(dsi_of_match, dsi->dev.of_node); + if (!id) + return -ENODEV; + + desc = id->data; + + err = panel_simple_probe(&dsi->dev, &desc->desc); + if (err < 0) + return err; + + dsi->format = desc->format; + dsi->lanes = desc->lanes; + + return mipi_dsi_attach(dsi); +} + +static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi) +{ + int err; + + err = mipi_dsi_detach(dsi); + if (err < 0) + dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err); + + return panel_simple_remove(&dsi->dev); +} + +static struct mipi_dsi_driver panel_simple_dsi_driver = { + .driver = { + .name = "panel-simple-dsi", + .owner = THIS_MODULE, + .of_match_table = dsi_of_match, + }, + .probe = panel_simple_dsi_probe, + .remove = panel_simple_dsi_remove, }; static int __init panel_simple_init(void) { - return platform_driver_register(&panel_simple_platform_driver); + int err; + + err = platform_driver_register(&panel_simple_platform_driver); + if (err < 0) + return err; + + if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) { + err = mipi_dsi_driver_register(&panel_simple_dsi_driver); + if (err < 0) + return err; + } + + return 0; } module_init(panel_simple_init); static void __exit panel_simple_exit(void) { + if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) + mipi_dsi_driver_unregister(&panel_simple_dsi_driver); + platform_driver_unregister(&panel_simple_platform_driver); } module_exit(panel_simple_exit); |