diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_mixer.c')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_mixer.c | 155 |
1 files changed, 100 insertions, 55 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index dfb35e2da4db..b5fbc1cbf024 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -76,7 +76,9 @@ enum mixer_flag_bits { static const uint32_t mixer_formats[] = { DRM_FORMAT_XRGB4444, + DRM_FORMAT_ARGB4444, DRM_FORMAT_XRGB1555, + DRM_FORMAT_ARGB1555, DRM_FORMAT_RGB565, DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, @@ -117,19 +119,22 @@ static const struct exynos_drm_plane_config plane_configs[MIXER_WIN_NR] = { .type = DRM_PLANE_TYPE_PRIMARY, .pixel_formats = mixer_formats, .num_pixel_formats = ARRAY_SIZE(mixer_formats), - .capabilities = EXYNOS_DRM_PLANE_CAP_DOUBLE, + .capabilities = EXYNOS_DRM_PLANE_CAP_DOUBLE | + EXYNOS_DRM_PLANE_CAP_ZPOS, }, { .zpos = 1, .type = DRM_PLANE_TYPE_CURSOR, .pixel_formats = mixer_formats, .num_pixel_formats = ARRAY_SIZE(mixer_formats), - .capabilities = EXYNOS_DRM_PLANE_CAP_DOUBLE, + .capabilities = EXYNOS_DRM_PLANE_CAP_DOUBLE | + EXYNOS_DRM_PLANE_CAP_ZPOS, }, { .zpos = 2, .type = DRM_PLANE_TYPE_OVERLAY, .pixel_formats = vp_formats, .num_pixel_formats = ARRAY_SIZE(vp_formats), - .capabilities = EXYNOS_DRM_PLANE_CAP_SCALE, + .capabilities = EXYNOS_DRM_PLANE_CAP_SCALE | + EXYNOS_DRM_PLANE_CAP_ZPOS, }, }; @@ -162,6 +167,18 @@ static const u8 filter_cr_horiz_tap4[] = { 70, 59, 48, 37, 27, 19, 11, 5, }; +static inline bool is_alpha_format(unsigned int pixel_format) +{ + switch (pixel_format) { + case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_ARGB1555: + case DRM_FORMAT_ARGB4444: + return true; + default: + return false; + } +} + static inline u32 vp_reg_read(struct mixer_resources *res, u32 reg_id) { return readl(res->vp_regs + reg_id); @@ -291,6 +308,37 @@ static void vp_default_filter(struct mixer_resources *res) filter_cr_horiz_tap4, sizeof(filter_cr_horiz_tap4)); } +static void mixer_cfg_gfx_blend(struct mixer_context *ctx, unsigned int win, + bool alpha) +{ + struct mixer_resources *res = &ctx->mixer_res; + u32 val; + + val = MXR_GRP_CFG_COLOR_KEY_DISABLE; /* no blank key */ + if (alpha) { + /* blending based on pixel alpha */ + val |= MXR_GRP_CFG_BLEND_PRE_MUL; + val |= MXR_GRP_CFG_PIXEL_BLEND_EN; + } + mixer_reg_writemask(res, MXR_GRAPHIC_CFG(win), + val, MXR_GRP_CFG_MISC_MASK); +} + +static void mixer_cfg_vp_blend(struct mixer_context *ctx) +{ + struct mixer_resources *res = &ctx->mixer_res; + u32 val; + + /* + * No blending at the moment since the NV12/NV21 pixelformats don't + * have an alpha channel. However the mixer supports a global alpha + * value for a layer. Once this functionality is exposed, we can + * support blending of the video layer through this. + */ + val = 0; + mixer_reg_write(res, MXR_VIDEO_CFG, val); +} + static void mixer_vsync_set_update(struct mixer_context *ctx, bool enable) { struct mixer_resources *res = &ctx->mixer_res; @@ -372,7 +420,7 @@ static void mixer_cfg_rgb_fmt(struct mixer_context *ctx, unsigned int height) } static void mixer_cfg_layer(struct mixer_context *ctx, unsigned int win, - bool enable) + unsigned int priority, bool enable) { struct mixer_resources *res = &ctx->mixer_res; u32 val = enable ? ~0 : 0; @@ -380,20 +428,24 @@ static void mixer_cfg_layer(struct mixer_context *ctx, unsigned int win, switch (win) { case 0: mixer_reg_writemask(res, MXR_CFG, val, MXR_CFG_GRP0_ENABLE); + mixer_reg_writemask(res, MXR_LAYER_CFG, + MXR_LAYER_CFG_GRP0_VAL(priority), + MXR_LAYER_CFG_GRP0_MASK); break; case 1: mixer_reg_writemask(res, MXR_CFG, val, MXR_CFG_GRP1_ENABLE); + mixer_reg_writemask(res, MXR_LAYER_CFG, + MXR_LAYER_CFG_GRP1_VAL(priority), + MXR_LAYER_CFG_GRP1_MASK); break; - case 2: + case VP_DEFAULT_WIN: if (ctx->vp_enabled) { vp_reg_writemask(res, VP_ENABLE, val, VP_ENABLE_ON); mixer_reg_writemask(res, MXR_CFG, val, MXR_CFG_VP_ENABLE); - - /* control blending of graphic layer 0 */ - mixer_reg_writemask(res, MXR_GRAPHIC_CFG(0), val, - MXR_GRP_CFG_BLEND_PRE_MUL | - MXR_GRP_CFG_PIXEL_BLEND_EN); + mixer_reg_writemask(res, MXR_LAYER_CFG, + MXR_LAYER_CFG_VP_VAL(priority), + MXR_LAYER_CFG_VP_MASK); } break; } @@ -464,7 +516,6 @@ static void vp_video_buffer(struct mixer_context *ctx, } spin_lock_irqsave(&res->reg_slock, flags); - mixer_vsync_set_update(ctx, false); /* interlace or progressive scan mode */ val = (ctx->interlace ? ~0 : 0); @@ -511,10 +562,10 @@ static void vp_video_buffer(struct mixer_context *ctx, mixer_cfg_scan(ctx, mode->vdisplay); mixer_cfg_rgb_fmt(ctx, mode->vdisplay); - mixer_cfg_layer(ctx, plane->zpos, true); + mixer_cfg_layer(ctx, plane->index, state->zpos + 1, true); + mixer_cfg_vp_blend(ctx); mixer_run(ctx); - mixer_vsync_set_update(ctx, true); spin_unlock_irqrestore(&res->reg_slock, flags); mixer_regs_dump(ctx); @@ -537,7 +588,7 @@ static void mixer_graph_buffer(struct mixer_context *ctx, struct mixer_resources *res = &ctx->mixer_res; struct drm_framebuffer *fb = state->base.fb; unsigned long flags; - unsigned int win = plane->zpos; + unsigned int win = plane->index; unsigned int x_ratio = 0, y_ratio = 0; unsigned int src_x_offset, src_y_offset, dst_x_offset, dst_y_offset; dma_addr_t dma_addr; @@ -546,10 +597,12 @@ static void mixer_graph_buffer(struct mixer_context *ctx, switch (fb->pixel_format) { case DRM_FORMAT_XRGB4444: + case DRM_FORMAT_ARGB4444: fmt = MXR_FORMAT_ARGB4444; break; case DRM_FORMAT_XRGB1555: + case DRM_FORMAT_ARGB1555: fmt = MXR_FORMAT_ARGB1555; break; @@ -587,7 +640,6 @@ static void mixer_graph_buffer(struct mixer_context *ctx, ctx->interlace = false; spin_lock_irqsave(&res->reg_slock, flags); - mixer_vsync_set_update(ctx, false); /* setup format */ mixer_reg_writemask(res, MXR_GRAPHIC_CFG(win), @@ -626,7 +678,8 @@ static void mixer_graph_buffer(struct mixer_context *ctx, mixer_cfg_scan(ctx, mode->vdisplay); mixer_cfg_rgb_fmt(ctx, mode->vdisplay); - mixer_cfg_layer(ctx, win, true); + mixer_cfg_layer(ctx, win, state->zpos + 1, true); + mixer_cfg_gfx_blend(ctx, win, is_alpha_format(fb->pixel_format)); /* layer update mandatory for mixer 16.0.33.0 */ if (ctx->mxr_ver == MXR_VER_16_0_33_0 || @@ -635,7 +688,6 @@ static void mixer_graph_buffer(struct mixer_context *ctx, mixer_run(ctx); - mixer_vsync_set_update(ctx, true); spin_unlock_irqrestore(&res->reg_slock, flags); mixer_regs_dump(ctx); @@ -660,10 +712,8 @@ static void mixer_win_reset(struct mixer_context *ctx) { struct mixer_resources *res = &ctx->mixer_res; unsigned long flags; - u32 val; /* value stored to register */ spin_lock_irqsave(&res->reg_slock, flags); - mixer_vsync_set_update(ctx, false); mixer_reg_writemask(res, MXR_CFG, MXR_CFG_DST_HDMI, MXR_CFG_DST_MASK); @@ -674,40 +724,14 @@ static void mixer_win_reset(struct mixer_context *ctx) mixer_reg_writemask(res, MXR_STATUS, MXR_STATUS_16_BURST, MXR_STATUS_BURST_MASK); - /* setting default layer priority: layer1 > layer0 > video - * because typical usage scenario would be - * layer1 - OSD - * layer0 - framebuffer - * video - video overlay - */ - val = MXR_LAYER_CFG_GRP1_VAL(3); - val |= MXR_LAYER_CFG_GRP0_VAL(2); - if (ctx->vp_enabled) - val |= MXR_LAYER_CFG_VP_VAL(1); - mixer_reg_write(res, MXR_LAYER_CFG, val); + /* reset default layer priority */ + mixer_reg_write(res, MXR_LAYER_CFG, 0); /* setting background color */ mixer_reg_write(res, MXR_BG_COLOR0, 0x008080); mixer_reg_write(res, MXR_BG_COLOR1, 0x008080); mixer_reg_write(res, MXR_BG_COLOR2, 0x008080); - /* setting graphical layers */ - val = MXR_GRP_CFG_COLOR_KEY_DISABLE; /* no blank key */ - val |= MXR_GRP_CFG_WIN_BLEND_EN; - val |= MXR_GRP_CFG_ALPHA_VAL(0xff); /* non-transparent alpha */ - - /* Don't blend layer 0 onto the mixer background */ - mixer_reg_write(res, MXR_GRAPHIC_CFG(0), val); - - /* Blend layer 1 into layer 0 */ - val |= MXR_GRP_CFG_BLEND_PRE_MUL; - val |= MXR_GRP_CFG_PIXEL_BLEND_EN; - mixer_reg_write(res, MXR_GRAPHIC_CFG(1), val); - - /* setting video layers */ - val = MXR_GRP_CFG_ALPHA_VAL(0); - mixer_reg_write(res, MXR_VIDEO_CFG, val); - if (ctx->vp_enabled) { /* configuration of Video Processor Registers */ vp_win_reset(ctx); @@ -720,7 +744,6 @@ static void mixer_win_reset(struct mixer_context *ctx) if (ctx->vp_enabled) mixer_reg_writemask(res, MXR_CFG, 0, MXR_CFG_VP_ENABLE); - mixer_vsync_set_update(ctx, true); spin_unlock_irqrestore(&res->reg_slock, flags); } @@ -951,17 +974,27 @@ static void mixer_disable_vblank(struct exynos_drm_crtc *crtc) mixer_reg_writemask(res, MXR_INT_EN, 0, MXR_INT_EN_VSYNC); } +static void mixer_atomic_begin(struct exynos_drm_crtc *crtc) +{ + struct mixer_context *mixer_ctx = crtc->ctx; + + if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags)) + return; + + mixer_vsync_set_update(mixer_ctx, false); +} + static void mixer_update_plane(struct exynos_drm_crtc *crtc, struct exynos_drm_plane *plane) { struct mixer_context *mixer_ctx = crtc->ctx; - DRM_DEBUG_KMS("win: %d\n", plane->zpos); + DRM_DEBUG_KMS("win: %d\n", plane->index); if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags)) return; - if (plane->zpos > 1 && mixer_ctx->vp_enabled) + if (plane->index == VP_DEFAULT_WIN) vp_video_buffer(mixer_ctx, plane); else mixer_graph_buffer(mixer_ctx, plane); @@ -974,18 +1007,24 @@ static void mixer_disable_plane(struct exynos_drm_crtc *crtc, struct mixer_resources *res = &mixer_ctx->mixer_res; unsigned long flags; - DRM_DEBUG_KMS("win: %d\n", plane->zpos); + DRM_DEBUG_KMS("win: %d\n", plane->index); if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags)) return; spin_lock_irqsave(&res->reg_slock, flags); - mixer_vsync_set_update(mixer_ctx, false); + mixer_cfg_layer(mixer_ctx, plane->index, 0, false); + spin_unlock_irqrestore(&res->reg_slock, flags); +} - mixer_cfg_layer(mixer_ctx, plane->zpos, false); +static void mixer_atomic_flush(struct exynos_drm_crtc *crtc) +{ + struct mixer_context *mixer_ctx = crtc->ctx; + + if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags)) + return; mixer_vsync_set_update(mixer_ctx, true); - spin_unlock_irqrestore(&res->reg_slock, flags); } static void mixer_wait_for_vblank(struct exynos_drm_crtc *crtc) @@ -1026,6 +1065,8 @@ static void mixer_enable(struct exynos_drm_crtc *crtc) pm_runtime_get_sync(ctx->dev); + mixer_vsync_set_update(ctx, false); + mixer_reg_writemask(res, MXR_STATUS, ~0, MXR_STATUS_SOFT_RESET); if (test_bit(MXR_BIT_VSYNC, &ctx->flags)) { @@ -1034,6 +1075,8 @@ static void mixer_enable(struct exynos_drm_crtc *crtc) } mixer_win_reset(ctx); + mixer_vsync_set_update(ctx, true); + set_bit(MXR_BIT_POWERED, &ctx->flags); } @@ -1084,8 +1127,10 @@ static const struct exynos_drm_crtc_ops mixer_crtc_ops = { .enable_vblank = mixer_enable_vblank, .disable_vblank = mixer_disable_vblank, .wait_for_vblank = mixer_wait_for_vblank, + .atomic_begin = mixer_atomic_begin, .update_plane = mixer_update_plane, .disable_plane = mixer_disable_plane, + .atomic_flush = mixer_atomic_flush, .atomic_check = mixer_atomic_check, }; @@ -1160,7 +1205,7 @@ static int mixer_bind(struct device *dev, struct device *manager, void *data) if (i == VP_DEFAULT_WIN && !ctx->vp_enabled) continue; - ret = exynos_plane_init(drm_dev, &ctx->planes[i], + ret = exynos_plane_init(drm_dev, &ctx->planes[i], i, 1 << ctx->pipe, &plane_configs[i]); if (ret) return ret; |