diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_mixer.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_mixer.c | 76 |
1 files changed, 60 insertions, 16 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index ac24cff3977..4d5f41e1952 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -36,11 +36,57 @@ #include "exynos_drm_drv.h" #include "exynos_drm_hdmi.h" -#include "exynos_hdmi.h" -#include "exynos_mixer.h" + +#define HDMI_OVERLAY_NUMBER 3 #define get_mixer_context(dev) platform_get_drvdata(to_platform_device(dev)) +struct hdmi_win_data { + dma_addr_t dma_addr; + void __iomem *vaddr; + dma_addr_t chroma_dma_addr; + void __iomem *chroma_vaddr; + uint32_t pixel_format; + unsigned int bpp; + unsigned int crtc_x; + unsigned int crtc_y; + unsigned int crtc_width; + unsigned int crtc_height; + unsigned int fb_x; + unsigned int fb_y; + unsigned int fb_width; + unsigned int fb_height; + unsigned int mode_width; + unsigned int mode_height; + unsigned int scan_flags; +}; + +struct mixer_resources { + struct device *dev; + int irq; + void __iomem *mixer_regs; + void __iomem *vp_regs; + spinlock_t reg_slock; + struct clk *mixer; + struct clk *vp; + struct clk *sclk_mixer; + struct clk *sclk_hdmi; + struct clk *sclk_dac; +}; + +struct mixer_context { + struct fb_videomode *default_timing; + unsigned int default_win; + unsigned int default_bpp; + unsigned int irq; + int pipe; + bool interlace; + bool vp_enabled; + + struct mixer_resources mixer_res; + struct hdmi_win_data win_data[HDMI_OVERLAY_NUMBER]; +}; + static const u8 filter_y_horiz_tap8[] = { 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 0, 0, @@ -712,7 +758,12 @@ static void mixer_finish_pageflip(struct drm_device *drm_dev, int crtc) } if (is_checked) - drm_vblank_put(drm_dev, crtc); + /* + * call drm_vblank_put only in case that drm_vblank_get was + * called. + */ + if (atomic_read(&drm_dev->vblank_refcount[crtc]) > 0) + drm_vblank_put(drm_dev, crtc); spin_unlock_irqrestore(&drm_dev->event_lock, flags); } @@ -779,15 +830,15 @@ 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 > video > layer0 + /* setting default layer priority: layer1 > layer0 > video * because typical usage scenario would be + * layer1 - OSD * layer0 - framebuffer * video - video overlay - * layer1 - OSD */ - val = MXR_LAYER_CFG_GRP0_VAL(1); - val |= MXR_LAYER_CFG_VP_VAL(2); - val |= MXR_LAYER_CFG_GRP1_VAL(3); + val = MXR_LAYER_CFG_GRP1_VAL(3); + val |= MXR_LAYER_CFG_GRP0_VAL(2); + val |= MXR_LAYER_CFG_VP_VAL(1); mixer_reg_write(res, MXR_LAYER_CFG, val); /* setting background color */ @@ -1044,7 +1095,7 @@ static int mixer_remove(struct platform_device *pdev) platform_get_drvdata(pdev); struct mixer_context *ctx = (struct mixer_context *)drm_hdmi_ctx->ctx; - dev_info(dev, "remove sucessful\n"); + dev_info(dev, "remove successful\n"); mixer_resource_poweroff(ctx); mixer_resources_cleanup(ctx); @@ -1061,10 +1112,3 @@ struct platform_driver mixer_driver = { .probe = mixer_probe, .remove = __devexit_p(mixer_remove), }; -EXPORT_SYMBOL(mixer_driver); - -MODULE_AUTHOR("Seung-Woo Kim, <sw0312.kim@samsung.com>"); -MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); -MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); -MODULE_DESCRIPTION("Samsung DRM HDMI mixer Driver"); -MODULE_LICENSE("GPL"); |