diff options
author | Ondrej Jirman <megous@megous.com> | 2020-07-01 18:29:21 +0200 |
---|---|---|
committer | Sam Ravnborg <sam@ravnborg.org> | 2020-07-01 19:25:10 +0200 |
commit | be6ca3393e863d6e7a70e825f32b987b7eb03794 (patch) | |
tree | 838199ddbe2a3b56c0c921df932cf64e287bdcd9 /drivers/gpu/drm/panel | |
parent | 24489ba08c9e254dede3fe87bddd09ee9b6d6e4e (diff) |
drm/panel: st7703: Prepare for supporting multiple panels
Parametrize the driver so that it can support more panels based
on st7703 controller.
Signed-off-by: Ondrej Jirman <megous@megous.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200701162928.1638874-7-megous@megous.com
Diffstat (limited to 'drivers/gpu/drm/panel')
-rw-r--r-- | drivers/gpu/drm/panel/panel-sitronix-st7703.c | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c index 14761fec3789..4721132ad3b1 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c @@ -13,6 +13,7 @@ #include <linux/media-bus-format.h> #include <linux/mod_devicetable.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/regulator/consumer.h> #include <video/display_timing.h> @@ -56,6 +57,15 @@ struct st7703 { bool prepared; struct dentry *debugfs; + const struct st7703_panel_desc *desc; +}; + +struct st7703_panel_desc { + const struct drm_display_mode *mode; + unsigned int lanes; + unsigned long mode_flags; + enum mipi_dsi_pixel_format format; + int (*init_sequence)(struct st7703 *ctx); }; static inline struct st7703 *panel_to_st7703(struct drm_panel *panel) @@ -148,7 +158,7 @@ static int st7703_enable(struct drm_panel *panel) struct st7703 *ctx = panel_to_st7703(panel); int ret; - ret = jh057n_init_sequence(ctx); + ret = ctx->desc->init_sequence(ctx); if (ret < 0) { DRM_DEV_ERROR(ctx->dev, "Panel init sequence failed: %d\n", ret); @@ -216,7 +226,7 @@ disable_vcc: return ret; } -static const struct drm_display_mode default_mode = { +static const struct drm_display_mode jh057n00900_mode = { .hdisplay = 720, .hsync_start = 720 + 90, .hsync_end = 720 + 90 + 20, @@ -231,17 +241,26 @@ static const struct drm_display_mode default_mode = { .height_mm = 130, }; +struct st7703_panel_desc jh057n00900_panel_desc = { + .mode = &jh057n00900_mode, + .lanes = 4, + .mode_flags = MIPI_DSI_MODE_VIDEO | + MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_VIDEO_SYNC_PULSE, + .format = MIPI_DSI_FMT_RGB888, + .init_sequence = jh057n_init_sequence, +}; + static int st7703_get_modes(struct drm_panel *panel, struct drm_connector *connector) { struct st7703 *ctx = panel_to_st7703(panel); struct drm_display_mode *mode; - mode = drm_mode_duplicate(connector->dev, &default_mode); + mode = drm_mode_duplicate(connector->dev, ctx->desc->mode); if (!mode) { DRM_DEV_ERROR(ctx->dev, "Failed to add mode %ux%u@%u\n", - default_mode.hdisplay, default_mode.vdisplay, - drm_mode_vrefresh(&default_mode)); + ctx->desc->mode->hdisplay, ctx->desc->mode->vdisplay, + drm_mode_vrefresh(ctx->desc->mode)); return -ENOMEM; } @@ -316,11 +335,11 @@ static int st7703_probe(struct mipi_dsi_device *dsi) mipi_dsi_set_drvdata(dsi, ctx); ctx->dev = dev; + ctx->desc = of_device_get_match_data(dev); - dsi->lanes = 4; - dsi->format = MIPI_DSI_FMT_RGB888; - dsi->mode_flags = MIPI_DSI_MODE_VIDEO | - MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_VIDEO_SYNC_PULSE; + dsi->mode_flags = ctx->desc->mode_flags; + dsi->format = ctx->desc->format; + dsi->lanes = ctx->desc->lanes; ctx->vcc = devm_regulator_get(dev, "vcc"); if (IS_ERR(ctx->vcc)) { @@ -360,8 +379,8 @@ static int st7703_probe(struct mipi_dsi_device *dsi) } DRM_DEV_INFO(dev, "%ux%u@%u %ubpp dsi %udl - ready\n", - default_mode.hdisplay, default_mode.vdisplay, - drm_mode_vrefresh(&default_mode), + ctx->desc->mode->hdisplay, ctx->desc->mode->vdisplay, + drm_mode_vrefresh(ctx->desc->mode), mipi_dsi_pixel_format_to_bpp(dsi->format), dsi->lanes); st7703_debugfs_init(ctx); @@ -404,7 +423,7 @@ static int st7703_remove(struct mipi_dsi_device *dsi) } static const struct of_device_id st7703_of_match[] = { - { .compatible = "rocktech,jh057n00900" }, + { .compatible = "rocktech,jh057n00900", .data = &jh057n00900_panel_desc }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, st7703_of_match); |