The Amlogic VPU embeds a "Register DMA" that can write a sequence of registers on the VPU AHB bus, either manually or triggered by an internal IRQ event like VSYNC or a line input counter.
This adds the register defines.
Signed-off-by: Neil Armstrong narmstrong@baylibre.com --- drivers/gpu/drm/meson/meson_registers.h | 48 +++++++++++++++++++++++++ 1 file changed, 48 insertions(+)
diff --git a/drivers/gpu/drm/meson/meson_registers.h b/drivers/gpu/drm/meson/meson_registers.h index 547bee04b46e..8ea00546cd4e 100644 --- a/drivers/gpu/drm/meson/meson_registers.h +++ b/drivers/gpu/drm/meson/meson_registers.h @@ -1211,11 +1211,59 @@ #define RDMA_AHB_START_ADDR_7 0x110e #define RDMA_AHB_END_ADDR_7 0x110f #define RDMA_ACCESS_AUTO 0x1110 +#define RDMA_ACCESS_TRIGGER_CHAN3 GENMASK(31, 24) +#define RDMA_ACCESS_TRIGGER_CHAN2 GENMASK(23, 16) +#define RDMA_ACCESS_TRIGGER_CHAN1 GENMASK(15, 8) +#define RDMA_ACCESS_TRIGGER_STOP 0 +#define RDMA_ACCESS_TRIGGER_VSYNC 1 +#define RDMA_ACCESS_TRIGGER_LINE 32 +#define RDMA_ACCESS_RW_FLAG_CHAN3 BIT(7) +#define RDMA_ACCESS_RW_FLAG_CHAN2 BIT(6) +#define RDMA_ACCESS_RW_FLAG_CHAN1 BIT(5) +#define RDMA_ACCESS_ADDR_INC_CHAN3 BIT(3) +#define RDMA_ACCESS_ADDR_INC_CHAN2 BIT(2) +#define RDMA_ACCESS_ADDR_INC_CHAN1 BIT(1) #define RDMA_ACCESS_AUTO2 0x1111 +#define RDMA_ACCESS_RW_FLAG_CHAN7 BIT(7) +#define RDMA_ACCESS_RW_FLAG_CHAN6 BIT(6) +#define RDMA_ACCESS_RW_FLAG_CHAN5 BIT(5) +#define RDMA_ACCESS_RW_FLAG_CHAN4 BIT(4) +#define RDMA_ACCESS_ADDR_INC_CHAN7 BIT(3) +#define RDMA_ACCESS_ADDR_INC_CHAN6 BIT(2) +#define RDMA_ACCESS_ADDR_INC_CHAN5 BIT(1) +#define RDMA_ACCESS_ADDR_INC_CHAN4 BIT(0) #define RDMA_ACCESS_AUTO3 0x1112 +#define RDMA_ACCESS_TRIGGER_CHAN7 GENMASK(31, 24) +#define RDMA_ACCESS_TRIGGER_CHAN6 GENMASK(23, 16) +#define RDMA_ACCESS_TRIGGER_CHAN5 GENMASK(15, 8) +#define RDMA_ACCESS_TRIGGER_CHAN4 GENMASK(7, 0) #define RDMA_ACCESS_MAN 0x1113 +#define RDMA_ACCESS_MAN_RW_FLAG BIT(2) +#define RDMA_ACCESS_MAN_ADDR_INC BIT(1) +#define RDMA_ACCESS_MAN_START BIT(0) #define RDMA_CTRL 0x1114 +#define RDMA_IRQ_CLEAR_CHAN7 BIT(31) +#define RDMA_IRQ_CLEAR_CHAN6 BIT(30) +#define RDMA_IRQ_CLEAR_CHAN5 BIT(29) +#define RDMA_IRQ_CLEAR_CHAN4 BIT(28) +#define RDMA_IRQ_CLEAR_CHAN3 BIT(27) +#define RDMA_IRQ_CLEAR_CHAN2 BIT(26) +#define RDMA_IRQ_CLEAR_CHAN1 BIT(25) +#define RDMA_IRQ_CLEAR_CHAN_MAN BIT(24) +#define RDMA_DEFAULT_CONFIG (BIT(7) | BIT(6)) +#define RDMA_CTRL_AHB_WR_BURST GENMASK(5, 4) +#define RDMA_CTRL_AHB_RD_BURST GENMASK(3, 2) +#define RDMA_CTRL_SW_RESET BIT(1) +#define RDMA_CTRL_FREE_CLK_EN BIT(0) #define RDMA_STATUS 0x1115 +#define RDMA_IRQ_STAT_CHAN7 BIT(31) +#define RDMA_IRQ_STAT_CHAN6 BIT(30) +#define RDMA_IRQ_STAT_CHAN5 BIT(29) +#define RDMA_IRQ_STAT_CHAN4 BIT(28) +#define RDMA_IRQ_STAT_CHAN3 BIT(27) +#define RDMA_IRQ_STAT_CHAN2 BIT(26) +#define RDMA_IRQ_STAT_CHAN1 BIT(25) +#define RDMA_IRQ_STAT_CHAN_MAN BIT(24) #define RDMA_STATUS2 0x1116 #define RDMA_STATUS3 0x1117 #define L_GAMMA_CNTL_PORT 0x1400