Replace the custom shmob_drm_interface enumeration values with standard media bus formats. This simplifies driver handling of bus formats and prepares for DT support. Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> --- v2: - Keep table instead of replacing it by a switch() statement, - Fix shmob_drm_interface_data.bus_fmt comment. --- .../gpu/drm/renesas/shmobile/shmob_drm_drv.c | 37 +++++++++++-------- include/linux/platform_data/shmob_drm.h | 13 +------ 2 files changed, 23 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c index c9ac8a86a7c39097..08b254f0f2874786 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c @@ -9,6 +9,7 @@ #include <linux/clk.h> #include <linux/io.h> +#include <linux/media-bus-format.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/platform_device.h> @@ -34,25 +35,31 @@ static int shmob_drm_init_interface(struct shmob_drm_device *sdev) { - static const u32 ldmt1r[] = { - [SHMOB_DRM_IFACE_RGB8] = LDMT1R_MIFTYP_RGB8, - [SHMOB_DRM_IFACE_RGB9] = LDMT1R_MIFTYP_RGB9, - [SHMOB_DRM_IFACE_RGB12A] = LDMT1R_MIFTYP_RGB12A, - [SHMOB_DRM_IFACE_RGB12B] = LDMT1R_MIFTYP_RGB12B, - [SHMOB_DRM_IFACE_RGB16] = LDMT1R_MIFTYP_RGB16, - [SHMOB_DRM_IFACE_RGB18] = LDMT1R_MIFTYP_RGB18, - [SHMOB_DRM_IFACE_RGB24] = LDMT1R_MIFTYP_RGB24, - [SHMOB_DRM_IFACE_YUV422] = LDMT1R_MIFTYP_YCBCR, + static const struct { + u32 fmt; + u32 ldmt1r; + } bus_fmts[] = { + { MEDIA_BUS_FMT_RGB888_3X8, LDMT1R_MIFTYP_RGB8 }, + { MEDIA_BUS_FMT_RGB666_2X9_BE, LDMT1R_MIFTYP_RGB9 }, + { MEDIA_BUS_FMT_RGB888_2X12_BE, LDMT1R_MIFTYP_RGB12A }, + { MEDIA_BUS_FMT_RGB444_1X12, LDMT1R_MIFTYP_RGB12B }, + { MEDIA_BUS_FMT_RGB565_1X16, LDMT1R_MIFTYP_RGB16 }, + { MEDIA_BUS_FMT_RGB666_1X18, LDMT1R_MIFTYP_RGB18 }, + { MEDIA_BUS_FMT_RGB888_1X24, LDMT1R_MIFTYP_RGB24 }, + { MEDIA_BUS_FMT_UYVY8_1X16, LDMT1R_MIFTYP_YCBCR }, }; + unsigned int i; - if (sdev->pdata->iface.interface >= ARRAY_SIZE(ldmt1r)) { - dev_err(sdev->dev, "invalid interface type %u\n", - sdev->pdata->iface.interface); - return -EINVAL; + for (i = 0; i < ARRAY_SIZE(bus_fmts); i++) { + if (bus_fmts[i].fmt == sdev->pdata->iface.bus_fmt) { + sdev->ldmt1r = bus_fmts[i].ldmt1r; + return 0; + } } - sdev->ldmt1r = ldmt1r[sdev->pdata->iface.interface]; - return 0; + dev_err(sdev->dev, "unsupported bus format 0x%x\n", + sdev->pdata->iface.bus_fmt); + return -EINVAL; } static int shmob_drm_setup_clocks(struct shmob_drm_device *sdev, diff --git a/include/linux/platform_data/shmob_drm.h b/include/linux/platform_data/shmob_drm.h index f3cb19ff9f818aca..6c19d4fbbe39586b 100644 --- a/include/linux/platform_data/shmob_drm.h +++ b/include/linux/platform_data/shmob_drm.h @@ -18,17 +18,6 @@ enum shmob_drm_clk_source { SHMOB_DRM_CLK_EXTERNAL, }; -enum shmob_drm_interface { - SHMOB_DRM_IFACE_RGB8, /* 24bpp, 8:8:8 */ - SHMOB_DRM_IFACE_RGB9, /* 18bpp, 9:9 */ - SHMOB_DRM_IFACE_RGB12A, /* 24bpp, 12:12 */ - SHMOB_DRM_IFACE_RGB12B, /* 12bpp */ - SHMOB_DRM_IFACE_RGB16, /* 16bpp */ - SHMOB_DRM_IFACE_RGB18, /* 18bpp */ - SHMOB_DRM_IFACE_RGB24, /* 24bpp */ - SHMOB_DRM_IFACE_YUV422, /* 16bpp */ -}; - struct shmob_drm_panel_data { unsigned int width_mm; /* Panel width in mm */ unsigned int height_mm; /* Panel height in mm */ @@ -36,7 +25,7 @@ struct shmob_drm_panel_data { }; struct shmob_drm_interface_data { - enum shmob_drm_interface interface; + unsigned int bus_fmt; /* MEDIA_BUS_FMT_* */ unsigned int clk_div; }; -- 2.34.1