mirror of
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display v2: Add Cursor Window
This commit is contained in:
CTCaer
parent
4a57901746
commit
6c1ce41900
4 changed files with 246 additions and 3 deletions
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@ -24,6 +24,21 @@
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/*! Display registers. */
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#define _DIREG(reg) ((reg) * 4)
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// Display controller scratch registers.
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#define DC_D_WINBUF_DD_SCRATCH_REGISTER_0 0xED
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#define DC_D_WINBUF_DD_SCRATCH_REGISTER_1 0xEE
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#define DC_T_WINBUF_TD_SCRATCH_REGISTER_0 0x16D
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#define DC_T_WINBUF_TD_SCRATCH_REGISTER_1 0x16E
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#define DC_COM_SCRATCH_REGISTER_A 0x325
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#define DC_COM_SCRATCH_REGISTER_B 0x326
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#define DC_A_WINBUF_AD_SCRATCH_REGISTER_0 0xBED
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#define DC_A_WINBUF_AD_SCRATCH_REGISTER_1 0xBEE
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#define DC_B_WINBUF_BD_SCRATCH_REGISTER_0 0xDED
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#define DC_B_WINBUF_BD_SCRATCH_REGISTER_1 0xDEE
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#define DC_C_WINBUF_CD_SCRATCH_REGISTER_0 0xFED
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#define DC_C_WINBUF_CD_SCRATCH_REGISTER_1 0xFEE
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// DC_CMD non-shadowed command/sync registers.
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#define DC_CMD_GENERAL_INCR_SYNCPT 0x00
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#define DC_CMD_GENERAL_INCR_SYNCPT_CNTRL 0x01
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@ -50,6 +65,7 @@
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#define PM0_ENABLE (1 << 16)
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#define PM1_ENABLE (1 << 18)
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#define DC_CMD_INT_STATUS 0x37
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#define DC_CMD_INT_MASK 0x38
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#define DC_CMD_INT_ENABLE 0x39
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@ -62,11 +78,13 @@
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#define WIN_A_ACT_REQ (1 << 1)
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#define WIN_B_ACT_REQ (1 << 2)
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#define WIN_C_ACT_REQ (1 << 3)
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#define WIN_D_ACT_REQ (1 << 4)
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#define CURSOR_ACT_REQ (1 << 7)
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#define GENERAL_UPDATE (1 << 8)
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#define WIN_A_UPDATE (1 << 9)
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#define WIN_B_UPDATE (1 << 10)
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#define WIN_C_UPDATE (1 << 11)
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#define WIN_D_UPDATE (1 << 12)
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#define CURSOR_UPDATE (1 << 15)
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#define NC_HOST_TRIG (1 << 24)
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@ -74,15 +92,38 @@
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#define WINDOW_A_SELECT (1 << 4)
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#define WINDOW_B_SELECT (1 << 5)
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#define WINDOW_C_SELECT (1 << 6)
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#define WINDOW_D_SELECT (1 << 7)
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#define DC_CMD_REG_ACT_CONTROL 0x043
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// DC_D_WIN_DD window D instance of DC_WIN
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#define DC_D_WIN_DD_WIN_OPTIONS 0x80
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#define DC_D_WIN_DD_COLOR_DEPTH 0x83
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#define DC_D_WIN_DD_POSITION 0x84
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#define DC_D_WIN_DD_SIZE 0x85
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#define DC_D_WIN_DD_LINE_STRIDE 0x8A
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#define DC_D_WIN_DD_BLEND_LAYER_CONTROL 0x96
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#define DC_D_WIN_DD_BLEND_MATCH_SELECT 0x97
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#define DC_D_WIN_DD_BLEND_ALPHA_1BIT 0x99
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// DC_D_WINBUF_DD window D instance of DC_WINBUF
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#define DC_D_WINBUF_DD_START_ADDR 0xC0
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#define DC_D_WINBUF_DD_ADDR_H_OFFSET 0xC6
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#define DC_D_WINBUF_DD_ADDR_V_OFFSET 0xC8
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#define DC_D_WINBUF_DD_START_ADDR_HI 0xCD
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#define DC_D_WINBUF_DD_MEMFETCH_CONTROL 0xEB
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// DC_T_WIN_TD macro for using DD defines.
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#define _DC_T(reg) ((reg) + 0x80)
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// DC_COM non-shadowed registers.
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#define DC_COM_CRC_CONTROL 0x300
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#define DC_COM_PIN_OUTPUT_ENABLE(x) (0x302 + (x))
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#define DC_COM_PIN_OUTPUT_POLARITY(x) (0x306 + (x))
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#define DC_COM_DSC_TOP_CTL 0x33E
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// DC_DISP shadowed registers.
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#define DC_DISP_DISP_WIN_OPTIONS 0x402
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#define HDMI_ENABLE (1 << 30)
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#define DSI_ENABLE (1 << 29)
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@ -161,6 +202,32 @@
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#define DE_CONTROL_EARLY (3 << 2)
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#define DE_CONTROL_ACTIVE_BLANK (4 << 2)
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// Cursor configuration registers.
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#define DC_DISP_CURSOR_FOREGROUND 0x43C
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#define DC_DISP_CURSOR_BACKGROUND 0x43D
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#define CURSOR_COLOR(r,g,b) (((r) & 0xFF) | (((g) & 0xFF) << 8) | (((b) & 0xFF) << 16))
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#define DC_DISP_CURSOR_START_ADDR 0x43E
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#define CURSOR_CLIPPING(w) ((w) << 28)
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#define CURSOR_CLIP_WIN_A 1
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#define CURSOR_CLIP_WIN_B 2
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#define CURSOR_CLIP_WIN_C 3
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#define CURSOR_SIZE_32 (0 << 24)
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#define CURSOR_SIZE_64 (1 << 24)
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#define CURSOR_SIZE_128 (2 << 24)
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#define CURSOR_SIZE_256 (3 << 24)
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#define DC_DISP_CURSOR_POSITION 0x440
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#define DC_DISP_CURSOR_START_ADDR_HI 0x4EC
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#define DC_DISP_BLEND_CURSOR_CONTROL 0x4F1
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#define CURSOR_BLEND_2BIT (0 << 24)
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#define CURSOR_BLEND_R8G8B8A8 (1 << 24)
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#define CURSOR_BLEND_SRC_FACTOR(n) ((n) << 8)
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#define CURSOR_BLEND_DST_FACTOR(n) ((n) << 16)
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#define CURSOR_BLEND_ZRO 0
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#define CURSOR_BLEND_K1 1
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#define CURSOR_BLEND_NK1 2
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// End of cursor cfg regs.
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#define DC_DISP_DC_MCCIF_FIFOCTRL 0x480
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#define DC_DISP_SD_BL_PARAMETERS 0x4D7
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#define DC_DISP_SD_BL_CONTROL 0x4DC
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@ -218,8 +285,9 @@
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#define WIN_COLOR_DEPTH_YCbCr422RA 0x18
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#define WIN_COLOR_DEPTH_YUV422RA 0x19
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#define DC_WIN_BUFFER_CONTROL 0x702
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#define DC_WIN_POSITION 0x704
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#define H_POSITION(x) (((x) & 0xFfff) << 0)
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#define V_POSITION(x) (((x) & 0x1fff) << 16)
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#define DC_WIN_SIZE 0x705
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#define H_SIZE(x) (((x) & 0x1fff) << 0)
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@ -241,6 +309,42 @@
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#define UV_LINE_STRIDE(x) (((x) & 0xffff) << 16)
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#define DC_WIN_DV_CONTROL 0x70E
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#define DC_WINBUF_BLEND_LAYER_CONTROL 0x716
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#define WIN_K1(x) (((x) & 0xff) << 8)
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#define WIN_K2(x) (((x) & 0xff) << 16)
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#define WIN_BLEND_ENABLE (0 << 24)
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#define WIN_BLEND_BYPASS (1 << 24)
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#define DC_WINBUF_BLEND_MATCH_SELECT 0x717
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#define WIN_BLEND_FACT_SRC_COLOR_MATCH_SEL_ZERO (0 << 0)
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#define WIN_BLEND_FACT_SRC_COLOR_MATCH_SEL_ONE (1 << 0)
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#define WIN_BLEND_FACT_SRC_COLOR_MATCH_SEL_K1 (2 << 0)
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#define WIN_BLEND_FACT_SRC_COLOR_MATCH_SEL_K1_TIMES_DST (3 << 0)
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#define WIN_BLEND_FACT_SRC_COLOR_MATCH_SEL_NEG_K1_TIMES_DST (4 << 0)
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#define WIN_BLEND_FACT_SRC_COLOR_MATCH_SEL_K1_TIMES_SRC (5 << 0)
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#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_ZERO (0 << 4)
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#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_ONE (1 << 4)
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#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_K1 (2 << 4)
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#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_K2 (3 << 4)
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#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_K1_TIMES_DST (4 << 4)
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#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_NEG_K1_TIMES_DST (5 << 4)
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#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_NEG_K1_TIMES_SRC (6 << 4)
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#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_NEG_K1 (7 << 4)
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#define WIN_BLEND_FACT_SRC_ALPHA_MATCH_SEL_ZERO (0 << 8)
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#define WIN_BLEND_FACT_SRC_ALPHA_MATCH_SEL_K1 (1 << 8)
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#define WIN_BLEND_FACT_SRC_ALPHA_MATCH_SEL_K2 (2 << 8)
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#define WIN_BLEND_FACT_DST_ALPHA_MATCH_SEL_ZERO (0 << 12)
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#define WIN_BLEND_FACT_DST_ALPHA_MATCH_SEL_ONE (1 << 12)
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#define WIN_BLEND_FACT_DST_ALPHA_MATCH_SEL_NEG_K1_TIMES_SRC (2 << 12)
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#define WIN_BLEND_FACT_DST_ALPHA_MATCH_SEL_K2 (3 << 12)
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#define DC_WINBUF_BLEND_ALPHA_1BIT 0x719
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#define WIN_ALPHA_1BIT_WEIGHT0(x) (((x) & 0xff) << 0)
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#define WIN_ALPHA_1BIT_WEIGHT1(x) (((x) & 0xff) << 8)
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/*! The following registers are A/B/C shadows of the 0xBC0/0xDC0/0xFC0 registers (see DISPLAY_WINDOW_HEADER). */
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#define DC_WINBUF_START_ADDR 0x800
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#define DC_WINBUF_ADDR_H_OFFSET 0x806
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@ -422,5 +526,8 @@ void display_backlight_brightness(u32 brightness, u32 step_delay);
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/*! Init display in full 1280x720 resolution (B8G8R8A8, line stride 768, framebuffer size = 1280*768*4 bytes). */
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u32 *display_init_framebuffer();
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void display_init_cursor(void *crs_fb, u32 size);
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void display_set_pos_cursor(u32 x, u32 y);
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void display_deinit_cursor();
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#endif
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@ -219,7 +219,7 @@ void gfx_putc(char c)
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else if (c == '\n')
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{
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gfx_con.x = 0;
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gfx_con.y +=16;
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gfx_con.y += 16;
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if (gfx_con.y > gfx_ctxt.height - 16)
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gfx_con.y = 0;
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}
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@ -356,3 +356,32 @@ u32 *display_init_framebuffer_block()
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return (u32 *)NYX_FB_ADDRESS;
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}
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void display_init_cursor(void *crs_fb, u32 size)
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{
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// Setup cursor.
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DISPLAY_A(_DIREG(DC_DISP_CURSOR_START_ADDR)) = CURSOR_CLIPPING(CURSOR_CLIP_WIN_A) | size | ((u32)crs_fb >> 10);
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DISPLAY_A(_DIREG(DC_DISP_BLEND_CURSOR_CONTROL)) =
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CURSOR_BLEND_R8G8B8A8 | CURSOR_BLEND_DST_FACTOR(CURSOR_BLEND_K1) | CURSOR_BLEND_SRC_FACTOR(CURSOR_BLEND_K1) | 0xFF;
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DISPLAY_A(_DIREG(DC_DISP_DISP_WIN_OPTIONS)) |= CURSOR_ENABLE;
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// Arm and activate changes.
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DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_UPDATE | CURSOR_UPDATE;
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DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_ACT_REQ | CURSOR_ACT_REQ;
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}
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void display_set_pos_cursor(u32 x, u32 y)
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{
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DISPLAY_A(_DIREG(DC_DISP_CURSOR_POSITION)) = x | (y << 16);
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DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_UPDATE | CURSOR_UPDATE;
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DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_ACT_REQ | CURSOR_ACT_REQ;
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}
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void display_deinit_cursor()
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{
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DISPLAY_A(_DIREG(DC_DISP_BLEND_CURSOR_CONTROL)) = 0;
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DISPLAY_A(_DIREG(DC_DISP_DISP_WIN_OPTIONS)) &= ~CURSOR_ENABLE;
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DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_UPDATE | CURSOR_UPDATE;
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DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = GENERAL_ACT_REQ | CURSOR_ACT_REQ;
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}
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@ -24,6 +24,21 @@
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/*! Display registers. */
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#define _DIREG(reg) ((reg) * 4)
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// Display controller scratch registers.
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#define DC_D_WINBUF_DD_SCRATCH_REGISTER_0 0xED
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#define DC_D_WINBUF_DD_SCRATCH_REGISTER_1 0xEE
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#define DC_T_WINBUF_TD_SCRATCH_REGISTER_0 0x16D
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#define DC_T_WINBUF_TD_SCRATCH_REGISTER_1 0x16E
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#define DC_COM_SCRATCH_REGISTER_A 0x325
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#define DC_COM_SCRATCH_REGISTER_B 0x326
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#define DC_A_WINBUF_AD_SCRATCH_REGISTER_0 0xBED
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#define DC_A_WINBUF_AD_SCRATCH_REGISTER_1 0xBEE
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#define DC_B_WINBUF_BD_SCRATCH_REGISTER_0 0xDED
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#define DC_B_WINBUF_BD_SCRATCH_REGISTER_1 0xDEE
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#define DC_C_WINBUF_CD_SCRATCH_REGISTER_0 0xFED
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#define DC_C_WINBUF_CD_SCRATCH_REGISTER_1 0xFEE
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// DC_CMD non-shadowed command/sync registers.
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#define DC_CMD_GENERAL_INCR_SYNCPT 0x00
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#define DC_CMD_GENERAL_INCR_SYNCPT_CNTRL 0x01
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@ -50,6 +65,7 @@
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#define PM0_ENABLE (1 << 16)
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#define PM1_ENABLE (1 << 18)
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#define DC_CMD_INT_STATUS 0x37
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#define DC_CMD_INT_MASK 0x38
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#define DC_CMD_INT_ENABLE 0x39
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@ -62,11 +78,13 @@
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#define WIN_A_ACT_REQ (1 << 1)
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#define WIN_B_ACT_REQ (1 << 2)
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#define WIN_C_ACT_REQ (1 << 3)
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#define WIN_D_ACT_REQ (1 << 4)
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#define CURSOR_ACT_REQ (1 << 7)
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#define GENERAL_UPDATE (1 << 8)
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#define WIN_A_UPDATE (1 << 9)
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#define WIN_B_UPDATE (1 << 10)
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#define WIN_C_UPDATE (1 << 11)
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#define WIN_D_UPDATE (1 << 12)
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#define CURSOR_UPDATE (1 << 15)
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#define NC_HOST_TRIG (1 << 24)
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#define WINDOW_A_SELECT (1 << 4)
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#define WINDOW_B_SELECT (1 << 5)
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#define WINDOW_C_SELECT (1 << 6)
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#define WINDOW_D_SELECT (1 << 7)
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#define DC_CMD_REG_ACT_CONTROL 0x043
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// DC_D_WIN_DD window D instance of DC_WIN
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#define DC_D_WIN_DD_WIN_OPTIONS 0x80
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#define DC_D_WIN_DD_COLOR_DEPTH 0x83
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#define DC_D_WIN_DD_POSITION 0x84
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#define DC_D_WIN_DD_SIZE 0x85
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#define DC_D_WIN_DD_LINE_STRIDE 0x8A
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#define DC_D_WIN_DD_BLEND_LAYER_CONTROL 0x96
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#define DC_D_WIN_DD_BLEND_MATCH_SELECT 0x97
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#define DC_D_WIN_DD_BLEND_ALPHA_1BIT 0x99
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// DC_D_WINBUF_DD window D instance of DC_WINBUF
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#define DC_D_WINBUF_DD_START_ADDR 0xC0
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#define DC_D_WINBUF_DD_ADDR_H_OFFSET 0xC6
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#define DC_D_WINBUF_DD_ADDR_V_OFFSET 0xC8
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#define DC_D_WINBUF_DD_START_ADDR_HI 0xCD
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#define DC_D_WINBUF_DD_MEMFETCH_CONTROL 0xEB
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// DC_T_WIN_TD macro for using DD defines.
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#define _DC_T(reg) ((reg) + 0x80)
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// DC_COM non-shadowed registers.
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#define DC_COM_CRC_CONTROL 0x300
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#define DC_COM_PIN_OUTPUT_ENABLE(x) (0x302 + (x))
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#define DC_COM_PIN_OUTPUT_POLARITY(x) (0x306 + (x))
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#define DC_COM_DSC_TOP_CTL 0x33E
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// DC_DISP shadowed registers.
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#define DC_DISP_DISP_WIN_OPTIONS 0x402
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#define HDMI_ENABLE (1 << 30)
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#define DSI_ENABLE (1 << 29)
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@ -161,6 +202,32 @@
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#define DE_CONTROL_EARLY (3 << 2)
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#define DE_CONTROL_ACTIVE_BLANK (4 << 2)
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// Cursor configuration registers.
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#define DC_DISP_CURSOR_FOREGROUND 0x43C
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#define DC_DISP_CURSOR_BACKGROUND 0x43D
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#define CURSOR_COLOR(r,g,b) (((r) & 0xFF) | (((g) & 0xFF) << 8) | (((b) & 0xFF) << 16))
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#define DC_DISP_CURSOR_START_ADDR 0x43E
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#define CURSOR_CLIPPING(w) ((w) << 28)
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#define CURSOR_CLIP_WIN_A 1
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#define CURSOR_CLIP_WIN_B 2
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#define CURSOR_CLIP_WIN_C 3
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#define CURSOR_SIZE_32 (0 << 24)
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#define CURSOR_SIZE_64 (1 << 24)
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#define CURSOR_SIZE_128 (2 << 24)
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#define CURSOR_SIZE_256 (3 << 24)
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#define DC_DISP_CURSOR_POSITION 0x440
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#define DC_DISP_CURSOR_START_ADDR_HI 0x4EC
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#define DC_DISP_BLEND_CURSOR_CONTROL 0x4F1
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#define CURSOR_BLEND_2BIT (0 << 24)
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#define CURSOR_BLEND_R8G8B8A8 (1 << 24)
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#define CURSOR_BLEND_SRC_FACTOR(n) ((n) << 8)
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#define CURSOR_BLEND_DST_FACTOR(n) ((n) << 16)
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#define CURSOR_BLEND_ZRO 0
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#define CURSOR_BLEND_K1 1
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#define CURSOR_BLEND_NK1 2
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// End of cursor cfg regs.
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#define DC_DISP_DC_MCCIF_FIFOCTRL 0x480
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#define DC_DISP_SD_BL_PARAMETERS 0x4D7
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#define DC_DISP_SD_BL_CONTROL 0x4DC
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@ -218,8 +285,9 @@
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#define WIN_COLOR_DEPTH_YCbCr422RA 0x18
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#define WIN_COLOR_DEPTH_YUV422RA 0x19
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#define DC_WIN_BUFFER_CONTROL 0x702
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#define DC_WIN_POSITION 0x704
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||||
#define H_POSITION(x) (((x) & 0xFfff) << 0)
|
||||
#define V_POSITION(x) (((x) & 0x1fff) << 16)
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||||
#define DC_WIN_SIZE 0x705
|
||||
#define H_SIZE(x) (((x) & 0x1fff) << 0)
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|
@ -241,6 +309,42 @@
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#define UV_LINE_STRIDE(x) (((x) & 0xffff) << 16)
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||||
#define DC_WIN_DV_CONTROL 0x70E
|
||||
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||||
#define DC_WINBUF_BLEND_LAYER_CONTROL 0x716
|
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#define WIN_K1(x) (((x) & 0xff) << 8)
|
||||
#define WIN_K2(x) (((x) & 0xff) << 16)
|
||||
#define WIN_BLEND_ENABLE (0 << 24)
|
||||
#define WIN_BLEND_BYPASS (1 << 24)
|
||||
|
||||
#define DC_WINBUF_BLEND_MATCH_SELECT 0x717
|
||||
#define WIN_BLEND_FACT_SRC_COLOR_MATCH_SEL_ZERO (0 << 0)
|
||||
#define WIN_BLEND_FACT_SRC_COLOR_MATCH_SEL_ONE (1 << 0)
|
||||
#define WIN_BLEND_FACT_SRC_COLOR_MATCH_SEL_K1 (2 << 0)
|
||||
#define WIN_BLEND_FACT_SRC_COLOR_MATCH_SEL_K1_TIMES_DST (3 << 0)
|
||||
#define WIN_BLEND_FACT_SRC_COLOR_MATCH_SEL_NEG_K1_TIMES_DST (4 << 0)
|
||||
#define WIN_BLEND_FACT_SRC_COLOR_MATCH_SEL_K1_TIMES_SRC (5 << 0)
|
||||
|
||||
#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_ZERO (0 << 4)
|
||||
#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_ONE (1 << 4)
|
||||
#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_K1 (2 << 4)
|
||||
#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_K2 (3 << 4)
|
||||
#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_K1_TIMES_DST (4 << 4)
|
||||
#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_NEG_K1_TIMES_DST (5 << 4)
|
||||
#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_NEG_K1_TIMES_SRC (6 << 4)
|
||||
#define WIN_BLEND_FACT_DST_COLOR_MATCH_SEL_NEG_K1 (7 << 4)
|
||||
|
||||
#define WIN_BLEND_FACT_SRC_ALPHA_MATCH_SEL_ZERO (0 << 8)
|
||||
#define WIN_BLEND_FACT_SRC_ALPHA_MATCH_SEL_K1 (1 << 8)
|
||||
#define WIN_BLEND_FACT_SRC_ALPHA_MATCH_SEL_K2 (2 << 8)
|
||||
|
||||
#define WIN_BLEND_FACT_DST_ALPHA_MATCH_SEL_ZERO (0 << 12)
|
||||
#define WIN_BLEND_FACT_DST_ALPHA_MATCH_SEL_ONE (1 << 12)
|
||||
#define WIN_BLEND_FACT_DST_ALPHA_MATCH_SEL_NEG_K1_TIMES_SRC (2 << 12)
|
||||
#define WIN_BLEND_FACT_DST_ALPHA_MATCH_SEL_K2 (3 << 12)
|
||||
|
||||
#define DC_WINBUF_BLEND_ALPHA_1BIT 0x719
|
||||
#define WIN_ALPHA_1BIT_WEIGHT0(x) (((x) & 0xff) << 0)
|
||||
#define WIN_ALPHA_1BIT_WEIGHT1(x) (((x) & 0xff) << 8)
|
||||
|
||||
/*! The following registers are A/B/C shadows of the 0xBC0/0xDC0/0xFC0 registers (see DISPLAY_WINDOW_HEADER). */
|
||||
#define DC_WINBUF_START_ADDR 0x800
|
||||
#define DC_WINBUF_ADDR_H_OFFSET 0x806
|
||||
|
|
@ -425,5 +529,8 @@ void display_backlight_brightness(u32 brightness, u32 step_delay);
|
|||
/*! Init display in full 1280x720 resolution (B8G8R8A8, line stride 768, framebuffer size = 1280*768*4 bytes). */
|
||||
u32 *display_init_framebuffer_pitch();
|
||||
u32 *display_init_framebuffer_block();
|
||||
void display_init_cursor(void *crs_fb, u32 size);
|
||||
void display_set_pos_cursor(u32 x, u32 y);
|
||||
void display_deinit_cursor();
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in a new issue