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| author | Jyri Sarha <jsarha@ti.com> | 2016-11-16 00:02:58 +0300 |
|---|---|---|
| committer | Jyri Sarha <jsarha@ti.com> | 2016-11-30 15:19:02 +0300 |
| commit | 0f92e898d187e2c52cec7b93aa9d93ee8ed2cf16 (patch) | |
| tree | 88536276b460651ce120edcf5ea28eda9af0b013 /drivers/gpu/drm/tilcdc | |
| parent | 9963d36d14ecca29414c0e78d41840cec5b0ea03 (diff) | |
| download | linux-0f92e898d187e2c52cec7b93aa9d93ee8ed2cf16.tar.xz | |
drm/tilcdc: Add tilcdc_write_mask() to tilcdc_regs.h
Add tilcdc_write_mask() for handling register field wider than one bit
and mask values for those fields.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Tested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Diffstat (limited to 'drivers/gpu/drm/tilcdc')
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_regs.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_regs.h b/drivers/gpu/drm/tilcdc/tilcdc_regs.h index d195b6536e12..d69a940adbea 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_regs.h +++ b/drivers/gpu/drm/tilcdc/tilcdc_regs.h @@ -34,11 +34,14 @@ /* LCDC DMA Control Register */ #define LCDC_DMA_BURST_SIZE(x) ((x) << 4) +#define LCDC_DMA_BURST_SIZE_MASK ((0x7) << 4) #define LCDC_DMA_BURST_1 0x0 #define LCDC_DMA_BURST_2 0x1 #define LCDC_DMA_BURST_4 0x2 #define LCDC_DMA_BURST_8 0x3 #define LCDC_DMA_BURST_16 0x4 +#define LCDC_DMA_FIFO_THRESHOLD(x) ((x) << 8) +#define LCDC_DMA_FIFO_THRESHOLD_MASK ((0x3) << 8) #define LCDC_V1_END_OF_FRAME_INT_ENA BIT(2) #define LCDC_V2_END_OF_FRAME0_INT_ENA BIT(8) #define LCDC_V2_END_OF_FRAME1_INT_ENA BIT(9) @@ -46,10 +49,12 @@ /* LCDC Control Register */ #define LCDC_CLK_DIVISOR(x) ((x) << 8) +#define LCDC_CLK_DIVISOR_MASK ((0xFF) << 8) #define LCDC_RASTER_MODE 0x01 /* LCDC Raster Control Register */ #define LCDC_PALETTE_LOAD_MODE(x) ((x) << 20) +#define LCDC_PALETTE_LOAD_MODE_MASK ((0x3) << 20) #define PALETTE_AND_DATA 0x00 #define PALETTE_ONLY 0x01 #define DATA_ONLY 0x02 @@ -75,7 +80,9 @@ /* LCDC Raster Timing 2 Register */ #define LCDC_AC_BIAS_TRANSITIONS_PER_INT(x) ((x) << 16) +#define LCDC_AC_BIAS_TRANSITIONS_PER_INT_MASK ((0xF) << 16) #define LCDC_AC_BIAS_FREQUENCY(x) ((x) << 8) +#define LCDC_AC_BIAS_FREQUENCY_MASK ((0xFF) << 8) #define LCDC_SYNC_CTRL BIT(25) #define LCDC_SYNC_EDGE BIT(24) #define LCDC_INVERT_PIXEL_CLOCK BIT(22) @@ -140,6 +147,12 @@ static inline u32 tilcdc_read(struct drm_device *dev, u32 reg) return ioread32(priv->mmio + reg); } +static inline void tilcdc_write_mask(struct drm_device *dev, u32 reg, + u32 val, u32 mask) +{ + tilcdc_write(dev, reg, (tilcdc_read(dev, reg) & ~mask) | (val & mask)); +} + static inline void tilcdc_set(struct drm_device *dev, u32 reg, u32 mask) { tilcdc_write(dev, reg, tilcdc_read(dev, reg) | mask); |