Add support for exynos5420 mixer IP in the drm mixer driver.
Signed-off-by: Rahul Sharma rahul.sharma@samsung.com --- .../devicetree/bindings/video/exynos_mixer.txt | 1 + drivers/gpu/drm/exynos/exynos_mixer.c | 49 +++++++++++++++----- drivers/gpu/drm/exynos/regs-mixer.h | 7 +++ 3 files changed, 45 insertions(+), 12 deletions(-)
diff --git a/Documentation/devicetree/bindings/video/exynos_mixer.txt b/Documentation/devicetree/bindings/video/exynos_mixer.txt index 9131b99..3334b0a 100644 --- a/Documentation/devicetree/bindings/video/exynos_mixer.txt +++ b/Documentation/devicetree/bindings/video/exynos_mixer.txt @@ -5,6 +5,7 @@ Required properties: 1) "samsung,exynos5-mixer" <DEPRECATED> 2) "samsung,exynos4210-mixer" 3) "samsung,exynos5250-mixer" + 4) "samsung,exynos5420-mixer"
- reg: physical base address of the mixer and length of memory mapped region. diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 6225501..b1280b4 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -78,6 +78,7 @@ struct mixer_resources { enum mixer_version_id { MXR_VER_0_0_0_16, MXR_VER_16_0_33_0, + MXR_VER_128_0_0_184, };
struct mixer_context { @@ -283,17 +284,19 @@ static void mixer_cfg_scan(struct mixer_context *ctx, unsigned int height) val = (ctx->interlace ? MXR_CFG_SCAN_INTERLACE : MXR_CFG_SCAN_PROGRASSIVE);
- /* choosing between porper HD and SD mode */ - if (height <= 480) - val |= MXR_CFG_SCAN_NTSC | MXR_CFG_SCAN_SD; - else if (height <= 576) - val |= MXR_CFG_SCAN_PAL | MXR_CFG_SCAN_SD; - else if (height <= 720) - val |= MXR_CFG_SCAN_HD_720 | MXR_CFG_SCAN_HD; - else if (height <= 1080) - val |= MXR_CFG_SCAN_HD_1080 | MXR_CFG_SCAN_HD; - else - val |= MXR_CFG_SCAN_HD_720 | MXR_CFG_SCAN_HD; + if (ctx->mxr_ver != MXR_VER_128_0_0_184) { + /* choosing between proper HD and SD mode */ + if (height <= 480) + val |= MXR_CFG_SCAN_NTSC | MXR_CFG_SCAN_SD; + else if (height <= 576) + val |= MXR_CFG_SCAN_PAL | MXR_CFG_SCAN_SD; + else if (height <= 720) + val |= MXR_CFG_SCAN_HD_720 | MXR_CFG_SCAN_HD; + else if (height <= 1080) + val |= MXR_CFG_SCAN_HD_1080 | MXR_CFG_SCAN_HD; + else + val |= MXR_CFG_SCAN_HD_720 | MXR_CFG_SCAN_HD; + }
mixer_reg_writemask(res, MXR_CFG, val, MXR_CFG_SCAN_MASK); } @@ -557,6 +560,14 @@ static void mixer_graph_buffer(struct mixer_context *ctx, int win) /* setup geometry */ mixer_reg_write(res, MXR_GRAPHIC_SPAN(win), win_data->fb_width);
+ /* setup display size */ + if (ctx->mxr_ver == MXR_VER_128_0_0_184 && + win == MIXER_DEFAULT_WIN) { + val = MXR_MXR_RES_HEIGHT(win_data->fb_height); + val |= MXR_MXR_RES_WIDTH(win_data->fb_width); + mixer_reg_write(res, MXR_RESOLUTION, val); + } + val = MXR_GRP_WH_WIDTH(win_data->crtc_width); val |= MXR_GRP_WH_HEIGHT(win_data->crtc_height); val |= MXR_GRP_WH_H_SCALE(x_ratio); @@ -581,7 +592,8 @@ static void mixer_graph_buffer(struct mixer_context *ctx, int win) mixer_cfg_layer(ctx, win, true);
/* layer update mandatory for mixer 16.0.33.0 */ - if (ctx->mxr_ver == MXR_VER_16_0_33_0) + if (ctx->mxr_ver == MXR_VER_16_0_33_0 || + ctx->mxr_ver == MXR_VER_128_0_0_184) mixer_layer_update(ctx);
mixer_run(ctx); @@ -816,6 +828,7 @@ static void mixer_win_disable(void *ctx, int win)
static int mixer_check_mode(void *ctx, struct drm_display_mode *mode) { + struct mixer_context *mixer_ctx = ctx; u32 w, h;
w = mode->hdisplay; @@ -825,6 +838,10 @@ static int mixer_check_mode(void *ctx, struct drm_display_mode *mode) mode->hdisplay, mode->vdisplay, mode->vrefresh, (mode->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
+ if (mixer_ctx->mxr_ver == MXR_VER_0_0_0_16 || + mixer_ctx->mxr_ver == MXR_VER_128_0_0_184) + return 0; + if ((w >= 464 && w <= 720 && h >= 261 && h <= 576) || (w >= 1024 && w <= 1280 && h >= 576 && h <= 720) || (w >= 1664 && w <= 1920 && h >= 936 && h <= 1080)) @@ -1115,6 +1132,11 @@ static int vp_resources_init(struct exynos_drm_hdmi_context *ctx, return 0; }
+static struct mixer_drv_data exynos5420_mxr_drv_data = { + .version = MXR_VER_128_0_0_184, + .is_vp_enabled = 0, +}; + static struct mixer_drv_data exynos5250_mxr_drv_data = { .version = MXR_VER_16_0_33_0, .is_vp_enabled = 0, @@ -1145,6 +1167,9 @@ static struct of_device_id mixer_match_types[] = { .compatible = "samsung,exynos5250-mixer", .data = &exynos5250_mxr_drv_data, }, { + .compatible = "samsung,exynos5420-mixer", + .data = &exynos5420_mxr_drv_data, + }, { /* end node */ } }; diff --git a/drivers/gpu/drm/exynos/regs-mixer.h b/drivers/gpu/drm/exynos/regs-mixer.h index 5d8dbc0..4537026 100644 --- a/drivers/gpu/drm/exynos/regs-mixer.h +++ b/drivers/gpu/drm/exynos/regs-mixer.h @@ -44,6 +44,9 @@ #define MXR_CM_COEFF_Y 0x0080 #define MXR_CM_COEFF_CB 0x0084 #define MXR_CM_COEFF_CR 0x0088 +#define MXR_MO 0x0304 +#define MXR_RESOLUTION 0x0310 + #define MXR_GRAPHIC0_BASE_S 0x2024 #define MXR_GRAPHIC1_BASE_S 0x2044
@@ -119,6 +122,10 @@ #define MXR_GRP_WH_WIDTH(x) MXR_MASK_VAL(x, 26, 16) #define MXR_GRP_WH_HEIGHT(x) MXR_MASK_VAL(x, 10, 0)
+/* bits for MXR_RESOLUTION */ +#define MXR_MXR_RES_HEIGHT(x) MXR_MASK_VAL(x, 26, 16) +#define MXR_MXR_RES_WIDTH(x) MXR_MASK_VAL(x, 10, 0) + /* bits for MXR_GRAPHICn_SXY */ #define MXR_GRP_SXY_SX(x) MXR_MASK_VAL(x, 26, 16) #define MXR_GRP_SXY_SY(x) MXR_MASK_VAL(x, 10, 0)