diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_drv.c')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_drv.c | 173 |
1 files changed, 99 insertions, 74 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index fda64b7b73e8..d212efa6a495 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -1,7 +1,7 @@ /* * rcar_du_drv.c -- R-Car Display Unit DRM driver * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) * @@ -15,6 +15,7 @@ #include <linux/io.h> #include <linux/mm.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/pm.h> #include <linux/slab.h> @@ -30,6 +31,97 @@ #include "rcar_du_regs.h" /* ----------------------------------------------------------------------------- + * Device Information + */ + +static const struct rcar_du_device_info rcar_du_r8a7779_info = { + .features = 0, + .num_crtcs = 2, + .routes = { + /* R8A7779 has two RGB outputs and one (currently unsupported) + * TCON output. + */ + [RCAR_DU_OUTPUT_DPAD0] = { + .possible_crtcs = BIT(0), + .encoder_type = DRM_MODE_ENCODER_NONE, + .port = 0, + }, + [RCAR_DU_OUTPUT_DPAD1] = { + .possible_crtcs = BIT(1) | BIT(0), + .encoder_type = DRM_MODE_ENCODER_NONE, + .port = 1, + }, + }, + .num_lvds = 0, +}; + +static const struct rcar_du_device_info rcar_du_r8a7790_info = { + .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8, + .quirks = RCAR_DU_QUIRK_ALIGN_128B | RCAR_DU_QUIRK_LVDS_LANES, + .num_crtcs = 3, + .routes = { + /* R8A7790 has one RGB output, two LVDS outputs and one + * (currently unsupported) TCON output. + */ + [RCAR_DU_OUTPUT_DPAD0] = { + .possible_crtcs = BIT(2) | BIT(1) | BIT(0), + .encoder_type = DRM_MODE_ENCODER_NONE, + .port = 0, + }, + [RCAR_DU_OUTPUT_LVDS0] = { + .possible_crtcs = BIT(0), + .encoder_type = DRM_MODE_ENCODER_LVDS, + .port = 1, + }, + [RCAR_DU_OUTPUT_LVDS1] = { + .possible_crtcs = BIT(2) | BIT(1), + .encoder_type = DRM_MODE_ENCODER_LVDS, + .port = 2, + }, + }, + .num_lvds = 2, +}; + +static const struct rcar_du_device_info rcar_du_r8a7791_info = { + .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8, + .num_crtcs = 2, + .routes = { + /* R8A7791 has one RGB output, one LVDS output and one + * (currently unsupported) TCON output. + */ + [RCAR_DU_OUTPUT_DPAD0] = { + .possible_crtcs = BIT(1), + .encoder_type = DRM_MODE_ENCODER_NONE, + .port = 0, + }, + [RCAR_DU_OUTPUT_LVDS0] = { + .possible_crtcs = BIT(0), + .encoder_type = DRM_MODE_ENCODER_LVDS, + .port = 1, + }, + }, + .num_lvds = 1, +}; + +static const struct platform_device_id rcar_du_id_table[] = { + { "rcar-du-r8a7779", (kernel_ulong_t)&rcar_du_r8a7779_info }, + { "rcar-du-r8a7790", (kernel_ulong_t)&rcar_du_r8a7790_info }, + { "rcar-du-r8a7791", (kernel_ulong_t)&rcar_du_r8a7791_info }, + { } +}; + +MODULE_DEVICE_TABLE(platform, rcar_du_id_table); + +static const struct of_device_id rcar_du_of_table[] = { + { .compatible = "renesas,du-r8a7779", .data = &rcar_du_r8a7779_info }, + { .compatible = "renesas,du-r8a7790", .data = &rcar_du_r8a7790_info }, + { .compatible = "renesas,du-r8a7791", .data = &rcar_du_r8a7791_info }, + { } +}; + +MODULE_DEVICE_TABLE(of, rcar_du_of_table); + +/* ----------------------------------------------------------------------------- * DRM operations */ @@ -53,12 +145,13 @@ static int rcar_du_unload(struct drm_device *dev) static int rcar_du_load(struct drm_device *dev, unsigned long flags) { struct platform_device *pdev = dev->platformdev; + struct device_node *np = pdev->dev.of_node; struct rcar_du_platform_data *pdata = pdev->dev.platform_data; struct rcar_du_device *rcdu; struct resource *mem; int ret; - if (pdata == NULL) { + if (pdata == NULL && np == NULL) { dev_err(dev->dev, "no platform data\n"); return -ENODEV; } @@ -71,7 +164,8 @@ static int rcar_du_load(struct drm_device *dev, unsigned long flags) rcdu->dev = &pdev->dev; rcdu->pdata = pdata; - rcdu->info = (struct rcar_du_device_info *)pdev->id_entry->driver_data; + rcdu->info = np ? of_match_device(rcar_du_of_table, rcdu->dev)->data + : (void *)platform_get_device_id(pdev)->driver_data; rcdu->ddev = dev; dev->dev_private = rcdu; @@ -158,6 +252,7 @@ static struct drm_driver rcar_du_driver = { .unload = rcar_du_unload, .preclose = rcar_du_preclose, .lastclose = rcar_du_lastclose, + .set_busid = drm_platform_set_busid, .get_vblank_counter = drm_vblank_count, .enable_vblank = rcar_du_enable_vblank, .disable_vblank = rcar_du_disable_vblank, @@ -231,77 +326,6 @@ static int rcar_du_remove(struct platform_device *pdev) return 0; } -static const struct rcar_du_device_info rcar_du_r8a7779_info = { - .features = 0, - .num_crtcs = 2, - .routes = { - /* R8A7779 has two RGB outputs and one (currently unsupported) - * TCON output. - */ - [RCAR_DU_OUTPUT_DPAD0] = { - .possible_crtcs = BIT(0), - .encoder_type = DRM_MODE_ENCODER_NONE, - }, - [RCAR_DU_OUTPUT_DPAD1] = { - .possible_crtcs = BIT(1) | BIT(0), - .encoder_type = DRM_MODE_ENCODER_NONE, - }, - }, - .num_lvds = 0, -}; - -static const struct rcar_du_device_info rcar_du_r8a7790_info = { - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8, - .quirks = RCAR_DU_QUIRK_ALIGN_128B | RCAR_DU_QUIRK_LVDS_LANES, - .num_crtcs = 3, - .routes = { - /* R8A7790 has one RGB output, two LVDS outputs and one - * (currently unsupported) TCON output. - */ - [RCAR_DU_OUTPUT_DPAD0] = { - .possible_crtcs = BIT(2) | BIT(1) | BIT(0), - .encoder_type = DRM_MODE_ENCODER_NONE, - }, - [RCAR_DU_OUTPUT_LVDS0] = { - .possible_crtcs = BIT(0), - .encoder_type = DRM_MODE_ENCODER_LVDS, - }, - [RCAR_DU_OUTPUT_LVDS1] = { - .possible_crtcs = BIT(2) | BIT(1), - .encoder_type = DRM_MODE_ENCODER_LVDS, - }, - }, - .num_lvds = 2, -}; - -static const struct rcar_du_device_info rcar_du_r8a7791_info = { - .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8, - .num_crtcs = 2, - .routes = { - /* R8A7791 has one RGB output, one LVDS output and one - * (currently unsupported) TCON output. - */ - [RCAR_DU_OUTPUT_DPAD0] = { - .possible_crtcs = BIT(1), - .encoder_type = DRM_MODE_ENCODER_NONE, - }, - [RCAR_DU_OUTPUT_LVDS0] = { - .possible_crtcs = BIT(0), - .encoder_type = DRM_MODE_ENCODER_LVDS, - }, - }, - .num_lvds = 1, -}; - -static const struct platform_device_id rcar_du_id_table[] = { - { "rcar-du-r8a7779", (kernel_ulong_t)&rcar_du_r8a7779_info }, - { "rcar-du-r8a7790", (kernel_ulong_t)&rcar_du_r8a7790_info }, - { "rcar-du-r8a7791", (kernel_ulong_t)&rcar_du_r8a7791_info }, - { } -}; - -MODULE_DEVICE_TABLE(platform, rcar_du_id_table); - static struct platform_driver rcar_du_platform_driver = { .probe = rcar_du_probe, .remove = rcar_du_remove, @@ -309,6 +333,7 @@ static struct platform_driver rcar_du_platform_driver = { .owner = THIS_MODULE, .name = "rcar-du", .pm = &rcar_du_pm_ops, + .of_match_table = rcar_du_of_table, }, .id_table = rcar_du_id_table, }; |