From: Eric Anholt eric@anholt.net
At least the RGBA expand field we should have been setting, because we aren't expanding correctly for 565 -> 8888. Other registers are ones that may be interesting for various projects that have been discussed.
Signed-off-by: Eric Anholt eric@anholt.net Cc: Stefan Schake stschake@gmail.com --- v2: New in the series. Included here to keep kbuild robot happy and give the full picture.
drivers/gpu/drm/vc4/vc4_regs.h | 96 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+)
diff --git a/drivers/gpu/drm/vc4/vc4_regs.h b/drivers/gpu/drm/vc4/vc4_regs.h index a141496104a6..4af3e29d076a 100644 --- a/drivers/gpu/drm/vc4/vc4_regs.h +++ b/drivers/gpu/drm/vc4/vc4_regs.h @@ -330,6 +330,21 @@ #define SCALER_DISPCTRL0 0x00000040 # define SCALER_DISPCTRLX_ENABLE BIT(31) # define SCALER_DISPCTRLX_RESET BIT(30) +/* Generates a single frame when VSTART is seen and stops at the last + * pixel read from the FIFO. + */ +# define SCALER_DISPCTRLX_ONESHOT BIT(29) +/* Processes a single context in the dlist and then task switch, + * instead of an entire line. + */ +# define SCALER_DISPCTRLX_ONECTX BIT(28) +/* Set to have DISPSLAVE return 2 16bpp pixels and no status data. */ +# define SCALER_DISPCTRLX_FIFO32 BIT(27) +/* Turns on output to the DISPSLAVE register instead of the normal + * FIFO. + */ +# define SCALER_DISPCTRLX_FIFOREG BIT(26) + # define SCALER_DISPCTRLX_WIDTH_MASK VC4_MASK(23, 12) # define SCALER_DISPCTRLX_WIDTH_SHIFT 12 # define SCALER_DISPCTRLX_HEIGHT_MASK VC4_MASK(11, 0) @@ -402,6 +417,68 @@ */ # define SCALER_GAMADDR_SRAMENB BIT(30)
+#define SCALER_OLEDOFFS 0x00000080 +/* Clamps R to [16,235] and G/B to [16,240]. */ +# define SCALER_OLEDOFFS_YUVCLAMP BIT(31) + +/* Chooses which display FIFO the matrix applies to. */ +# define SCALER_OLEDOFFS_DISPFIFO_MASK VC4_MASK(25, 24) +# define SCALER_OLEDOFFS_DISPFIFO_SHIFT 24 +# define SCALER_OLEDOFFS_DISPFIFO_DISABLED 0 +# define SCALER_OLEDOFFS_DISPFIFO_0 1 +# define SCALER_OLEDOFFS_DISPFIFO_1 2 +# define SCALER_OLEDOFFS_DISPFIFO_2 3 + +/* Offsets are 8-bit 2s-complement. */ +# define SCALER_OLEDOFFS_RED_MASK VC4_MASK(23, 16) +# define SCALER_OLEDOFFS_RED_SHIFT 16 +# define SCALER_OLEDOFFS_GREEN_MASK VC4_MASK(15, 8) +# define SCALER_OLEDOFFS_GREEN_SHIFT 8 +# define SCALER_OLEDOFFS_BLUE_MASK VC4_MASK(7, 0) +# define SCALER_OLEDOFFS_BLUE_SHIFT 0 + +/* The coefficients are S0.9 fractions. */ +#define SCALER_OLEDCOEF0 0x00000084 +# define SCALER_OLEDCOEF0_B_TO_R_MASK VC4_MASK(29, 20) +# define SCALER_OLEDCOEF0_B_TO_R_SHIFT 20 +# define SCALER_OLEDCOEF0_B_TO_G_MASK VC4_MASK(19, 10) +# define SCALER_OLEDCOEF0_B_TO_G_SHIFT 10 +# define SCALER_OLEDCOEF0_B_TO_B_MASK VC4_MASK(9, 0) +# define SCALER_OLEDCOEF0_B_TO_B_SHIFT 0 + +#define SCALER_OLEDCOEF1 0x00000088 +# define SCALER_OLEDCOEF1_G_TO_R_MASK VC4_MASK(29, 20) +# define SCALER_OLEDCOEF1_G_TO_R_SHIFT 20 +# define SCALER_OLEDCOEF1_G_TO_G_MASK VC4_MASK(19, 10) +# define SCALER_OLEDCOEF1_G_TO_G_SHIFT 10 +# define SCALER_OLEDCOEF1_G_TO_B_MASK VC4_MASK(9, 0) +# define SCALER_OLEDCOEF1_G_TO_B_SHIFT 0 + +#define SCALER_OLEDCOEF2 0x0000008c +# define SCALER_OLEDCOEF2_R_TO_R_MASK VC4_MASK(29, 20) +# define SCALER_OLEDCOEF2_R_TO_R_SHIFT 20 +# define SCALER_OLEDCOEF2_R_TO_G_MASK VC4_MASK(19, 10) +# define SCALER_OLEDCOEF2_R_TO_G_SHIFT 10 +# define SCALER_OLEDCOEF2_R_TO_B_MASK VC4_MASK(9, 0) +# define SCALER_OLEDCOEF2_R_TO_B_SHIFT 0 + +/* Slave addresses for DMAing from HVS composition output to other + * devices. The top bits are valid only in !FIFO32 mode. + */ +#define SCALER_DISPSLAVE0 0x000000c0 +#define SCALER_DISPSLAVE1 0x000000c9 +#define SCALER_DISPSLAVE2 0x000000d0 +# define SCALER_DISPSLAVE_ISSUE_VSTART BIT(31) +# define SCALER_DISPSLAVE_ISSUE_HSTART BIT(30) +/* Set when the current line has been read and an HSTART is required. */ +# define SCALER_DISPSLAVE_EOL BIT(26) +/* Set when the display FIFO is empty. */ +# define SCALER_DISPSLAVE_EMPTY BIT(25) +/* Set when there is RGB data ready to read. */ +# define SCALER_DISPSLAVE_VALID BIT(24) +# define SCALER_DISPSLAVE_RGB_MASK VC4_MASK(23, 0) +# define SCALER_DISPSLAVE_RGB_SHIFT 0 + #define SCALER_GAMDATA 0x000000e0 #define SCALER_DLIST_START 0x00002000 #define SCALER_DLIST_SIZE 0x00004000 @@ -767,6 +844,10 @@ enum hvs_pixel_format { HVS_PIXEL_FORMAT_YCBCR_YUV420_2PLANE = 9, HVS_PIXEL_FORMAT_YCBCR_YUV422_3PLANE = 10, HVS_PIXEL_FORMAT_YCBCR_YUV422_2PLANE = 11, + HVS_PIXEL_FORMAT_H264 = 12, + HVS_PIXEL_FORMAT_PALETTE = 13, + HVS_PIXEL_FORMAT_YUV444_RGB = 14, + HVS_PIXEL_FORMAT_AYUV444_RGB = 15, };
/* Note: the LSB is the rightmost character shown. Only valid for @@ -800,12 +881,27 @@ enum hvs_pixel_format { #define SCALER_CTL0_TILING_128B 2 #define SCALER_CTL0_TILING_256B_OR_T 3
+#define SCALER_CTL0_ALPHA_MASK BIT(19) #define SCALER_CTL0_HFLIP BIT(16) #define SCALER_CTL0_VFLIP BIT(15)
+#define SCALER_CTL0_KEY_MODE_MASK VC4_MASK(18, 17) +#define SCALER_CTL0_KEY_MODE_SHIFT 17 +#define SCALER_CTL0_KEY_DISABLED 0 +#define SCALER_CTL0_KEY_LUMA_OR_COMMON_RGB 1 +#define SCALER_CTL0_KEY_MATCH 2 /* turn transparent */ +#define SCALER_CTL0_KEY_REPLACE 3 /* replace with value from key mask word 2 */ + #define SCALER_CTL0_ORDER_MASK VC4_MASK(14, 13) #define SCALER_CTL0_ORDER_SHIFT 13
+#define SCALER_CTL0_RGBA_EXPAND_MASK VC4_MASK(12, 11) +#define SCALER_CTL0_RGBA_EXPAND_SHIFT 11 +#define SCALER_CTL0_RGBA_EXPAND_ZERO 0 +#define SCALER_CTL0_RGBA_EXPAND_LSB 1 +#define SCALER_CTL0_RGBA_EXPAND_MSB 2 +#define SCALER_CTL0_RGBA_EXPAND_ROUND 3 + #define SCALER_CTL0_SCL1_MASK VC4_MASK(10, 8) #define SCALER_CTL0_SCL1_SHIFT 8