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authorFernando Birra <fpb@fct.unl.pt>2024-06-04 23:41:26 +0100
committerGitHub <noreply@github.com>2024-06-05 08:41:26 +1000
commita82b0628b399c35bcdf70f14cabfa0bb27f86af8 (patch)
tree49c0378a5cd7ca6bb9ad0c601ef8aaa4c5db190c /drivers
parent75d11e04215edc43eeef71756a23d7f46e66c459 (diff)
GC9xxx LCD family drivers (GC9107 and GC9A01) (#23091)
Co-authored-by: Nick Brassel <nick@tzarc.org> Co-authored-by: jack <0x6A73@pm.me> Co-authored-by: Joel Challis <git@zvecr.com> Co-authored-by: フィルターペーパー <76888457+filterpaper@users.noreply.github.com> Co-authored-by: rookiebwoy <81021475+rookiebwoy@users.noreply.github.com> Fixup boardsource/equals (#23106) Fix make clean test:os_detection (#23112) Fix make clean test:os_detection (#23112)" Fixup boardsource/equals (#23106)"
Diffstat (limited to 'drivers')
-rw-r--r--drivers/painter/gc9a01/qp_gc9a01_opcodes.h77
-rw-r--r--drivers/painter/gc9xxx/qp_gc9107.c114
-rw-r--r--drivers/painter/gc9xxx/qp_gc9107.h37
-rw-r--r--drivers/painter/gc9xxx/qp_gc9107_opcodes.h135
-rw-r--r--drivers/painter/gc9xxx/qp_gc9a01.c (renamed from drivers/painter/gc9a01/qp_gc9a01.c)78
-rw-r--r--drivers/painter/gc9xxx/qp_gc9a01.h (renamed from drivers/painter/gc9a01/qp_gc9a01.h)0
-rw-r--r--drivers/painter/gc9xxx/qp_gc9a01_opcodes.h104
-rw-r--r--drivers/painter/gc9xxx/qp_gc9xxx_opcodes.h55
8 files changed, 469 insertions, 131 deletions
diff --git a/drivers/painter/gc9a01/qp_gc9a01_opcodes.h b/drivers/painter/gc9a01/qp_gc9a01_opcodes.h
deleted file mode 100644
index 828e42752b..0000000000
--- a/drivers/painter/gc9a01/qp_gc9a01_opcodes.h
+++ /dev/null
@@ -1,77 +0,0 @@
1// Copyright 2021 Paul Cotter (@gr1mr3aver)
2// SPDX-License-Identifier: GPL-2.0-or-later
3#pragma once
4
5////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
6// Quantum Painter GC9A01 command opcodes
7////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
8
9////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
10// Level 1 command opcodes
11
12#define GC9A01_GET_ID_INFO 0x04 // Get ID information
13#define GC9A01_GET_STATUS 0x09 // Get status
14#define GC9A01_CMD_SLEEP_ON 0x10 // Enter sleep mode
15#define GC9A01_CMD_SLEEP_OFF 0x11 // Exit sleep mode
16#define GC9A01_CMD_PARTIAL_ON 0x12 // Enter partial mode
17#define GC9A01_CMD_PARTIAL_OFF 0x13 // Exit partial mode
18#define GC9A01_CMD_INVERT_ON 0x20 // Enter inverted mode
19#define GC9A01_CMD_INVERT_OFF 0x21 // Exit inverted mode
20#define GC9A01_CMD_DISPLAY_OFF 0x28 // Disable display
21#define GC9A01_CMD_DISPLAY_ON 0x29 // Enable display
22#define GC9A01_SET_COL_ADDR 0x2A // Set column address
23#define GC9A01_SET_PAGE_ADDR 0x2B // Set page address
24#define GC9A01_SET_MEM 0x2C // Set memory
25#define GC9A01_SET_PARTIAL_AREA 0x30 // Set partial area
26#define GC9A01_SET_VSCROLL 0x33 // Set vertical scroll def
27#define GC9A01_CMD_TEARING_ON 0x34 // Tearing line enabled
28#define GC9A01_CMD_TEARING_OFF 0x35 // Tearing line disabled
29#define GC9A01_SET_MEM_ACS_CTL 0x36 // Set mem access ctl
30#define GC9A01_SET_VSCROLL_ADDR 0x37 // Set vscroll start addr
31#define GC9A01_CMD_IDLE_OFF 0x38 // Exit idle mode
32#define GC9A01_CMD_IDLE_ON 0x39 // Enter idle mode
33#define GC9A01_SET_PIX_FMT 0x3A // Set pixel format
34#define GC9A01_SET_MEM_CONT 0x3C // Set memory continue
35#define GC9A01_SET_TEAR_SCANLINE 0x44 // Set tearing scanline
36#define GC9A01_GET_TEAR_SCANLINE 0x45 // Get tearing scanline
37#define GC9A01_SET_BRIGHTNESS 0x51 // Set brightness
38#define GC9A01_SET_DISPLAY_CTL 0x53 // Set display ctl
39#define GC9A01_GET_ID1 0xDA // Get ID1
40#define GC9A01_GET_ID2 0xDB // Get ID2
41#define GC9A01_GET_ID3 0xDC // Get ID3
42
43////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
44// Level 2 command opcodes
45
46#define GC9A01_SET_RGB_IF_SIG_CTL 0xB0 // RGB IF signal ctl
47#define GC9A01_SET_BLANKING_PORCH_CTL 0xB5 // Set blanking porch ctl
48#define GC9A01_SET_FUNCTION_CTL 0xB6 // Set function ctl
49#define GC9A01_SET_TEARING_EFFECT 0xBA // Set backlight ctl 3
50#define GC9A01_SET_IF_CTL 0xF6 // Set interface control
51
52////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
53// Level 3 command opcodes
54
55#define GC9A01_SET_FRAME_RATE 0xE8 // Set frame rate
56#define GC9A01_SET_SPI_2DATA 0xE9 // Set frame rate
57#define GC9A01_SET_POWER_CTL_1 0xC1 // Set power ctl 1
58#define GC9A01_SET_POWER_CTL_2 0xC3 // Set power ctl 2
59#define GC9A01_SET_POWER_CTL_3 0xC4 // Set power ctl 3
60#define GC9A01_SET_POWER_CTL_4 0xC9 // Set power ctl 4
61#define GC9A01_SET_POWER_CTL_7 0xA7 // Set power ctl 7
62#define GC9A01_SET_INTER_REG_ENABLE1 0xFE // Enable Inter Register 1
63#define GC9A01_SET_INTER_REG_ENABLE2 0xEF // Enable Inter Register 2
64#define GC9A01_SET_GAMMA1 0xF0 //
65#define GC9A01_SET_GAMMA2 0xF1
66#define GC9A01_SET_GAMMA3 0xF2
67#define GC9A01_SET_GAMMA4 0xF3
68
69////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
70// MADCTL Flags
71#define GC9A01_MADCTL_MY 0b10000000
72#define GC9A01_MADCTL_MX 0b01000000
73#define GC9A01_MADCTL_MV 0b00100000
74#define GC9A01_MADCTL_ML 0b00010000
75#define GC9A01_MADCTL_RGB 0b00000000
76#define GC9A01_MADCTL_BGR 0b00001000
77#define GC9A01_MADCTL_MH 0b00000100
diff --git a/drivers/painter/gc9xxx/qp_gc9107.c b/drivers/painter/gc9xxx/qp_gc9107.c
new file mode 100644
index 0000000000..108344da4f
--- /dev/null
+++ b/drivers/painter/gc9xxx/qp_gc9107.c
@@ -0,0 +1,114 @@
1// Copyright 2024 Fernando Birra
2// SPDX-License-Identifier: GPL-2.0-or-later
3#include "qp_internal.h"
4#include "qp_comms.h"
5#include "qp_gc9107.h"
6#include "qp_gc9xxx_opcodes.h"
7#include "qp_gc9107_opcodes.h"
8#include "qp_tft_panel.h"
9
10////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
11// Driver storage
12////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
13
14tft_panel_dc_reset_painter_device_t gc9107_drivers[GC9107_NUM_DEVICES] = {0};
15
16////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
17// Initialization
18////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
19__attribute__((weak)) bool qp_gc9107_init(painter_device_t device, painter_rotation_t rotation) {
20 // A lot of these "unknown" opcodes are sourced from other OSS projects and are seemingly required for this display to function.
21 // clang-format off
22 const uint8_t gc9107_init_sequence[] = {
23 GC9XXX_SET_INTER_REG_ENABLE1, 5, 0,
24 GC9XXX_SET_INTER_REG_ENABLE2, 5, 0,
25 GC9107_SET_FUNCTION_CTL6, 0, 1, GC9107_ALLOW_SET_COMPLEMENT_RGB | 0x08 | GC9107_ALLOW_SET_FRAMERATE,
26 GC9107_SET_COMPLEMENT_RGB, 0, 1, GC9107_COMPLEMENT_WITH_LSB,
27 0xAB, 0, 1, 0x0E,
28 GC9107_SET_FRAME_RATE, 0, 1, 0x19,
29 GC9XXX_SET_PIXEL_FORMAT, 0, 1, GC9107_PIXEL_FORMAT_16_BPP_IFPF,
30 GC9XXX_CMD_SLEEP_OFF, 120, 0,
31 GC9XXX_CMD_DISPLAY_ON, 20, 0
32 };
33
34 // clang-format on
35 qp_comms_bulk_command_sequence(device, gc9107_init_sequence, sizeof(gc9107_init_sequence));
36
37 // Configure the rotation (i.e. the ordering and direction of memory writes in GRAM)
38 const uint8_t madctl[] = {
39 [QP_ROTATION_0] = GC9XXX_MADCTL_BGR,
40 [QP_ROTATION_90] = GC9XXX_MADCTL_BGR | GC9XXX_MADCTL_MX | GC9XXX_MADCTL_MV,
41 [QP_ROTATION_180] = GC9XXX_MADCTL_BGR | GC9XXX_MADCTL_MX | GC9XXX_MADCTL_MY,
42 [QP_ROTATION_270] = GC9XXX_MADCTL_BGR | GC9XXX_MADCTL_MV | GC9XXX_MADCTL_MY,
43 };
44 qp_comms_command_databyte(device, GC9XXX_SET_MEM_ACS_CTL, madctl[rotation]);
45
46 return true;
47}
48
49////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
50// Driver vtable
51////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
52
53const tft_panel_dc_reset_painter_driver_vtable_t gc9107_driver_vtable = {
54 .base =
55 {
56 .init = qp_gc9107_init,
57 .power = qp_tft_panel_power,
58 .clear = qp_tft_panel_clear,
59 .flush = qp_tft_panel_flush,
60 .pixdata = qp_tft_panel_pixdata,
61 .viewport = qp_tft_panel_viewport,
62 .palette_convert = qp_tft_panel_palette_convert_rgb565_swapped,
63 .append_pixels = qp_tft_panel_append_pixels_rgb565,
64 .append_pixdata = qp_tft_panel_append_pixdata,
65 },
66 .num_window_bytes = 2,
67 .swap_window_coords = false,
68 .opcodes =
69 {
70 .display_on = GC9XXX_CMD_DISPLAY_ON,
71 .display_off = GC9XXX_CMD_DISPLAY_OFF,
72 .set_column_address = GC9XXX_SET_COL_ADDR,
73 .set_row_address = GC9XXX_SET_ROW_ADDR,
74 .enable_writes = GC9XXX_SET_MEM,
75 },
76};
77
78#ifdef QUANTUM_PAINTER_GC9107_SPI_ENABLE
79// Factory function for creating a handle to the GC9107 device
80painter_device_t qp_gc9107_make_spi_device(uint16_t panel_width, uint16_t panel_height, pin_t chip_select_pin, pin_t dc_pin, pin_t reset_pin, uint16_t spi_divisor, int spi_mode) {
81 for (uint32_t i = 0; i < GC9107_NUM_DEVICES; ++i) {
82 tft_panel_dc_reset_painter_device_t *driver = &gc9107_drivers[i];
83 if (!driver->base.driver_vtable) {
84 driver->base.driver_vtable = (const painter_driver_vtable_t *)&gc9107_driver_vtable;
85 driver->base.comms_vtable = (const painter_comms_vtable_t *)&spi_comms_with_dc_vtable;
86 driver->base.native_bits_per_pixel = 16; // RGB565
87 driver->base.panel_width = panel_width;
88 driver->base.panel_height = panel_height;
89 driver->base.rotation = QP_ROTATION_0;
90 driver->base.offset_x = 2;
91 driver->base.offset_y = 1;
92
93 // SPI and other pin configuration
94 driver->base.comms_config = &driver->spi_dc_reset_config;
95 driver->spi_dc_reset_config.spi_config.chip_select_pin = chip_select_pin;
96 driver->spi_dc_reset_config.spi_config.divisor = spi_divisor;
97 driver->spi_dc_reset_config.spi_config.lsb_first = false;
98 driver->spi_dc_reset_config.spi_config.mode = spi_mode;
99 driver->spi_dc_reset_config.dc_pin = dc_pin;
100 driver->spi_dc_reset_config.reset_pin = reset_pin;
101 driver->spi_dc_reset_config.command_params_uses_command_pin = false;
102
103 if (!qp_internal_register_device((painter_device_t)driver)) {
104 memset(driver, 0, sizeof(tft_panel_dc_reset_painter_device_t));
105 return NULL;
106 }
107
108 return (painter_device_t)driver;
109 }
110 }
111 return NULL;
112}
113
114#endif // QUANTUM_PAINTER_GC9107_SPI_ENABLE
diff --git a/drivers/painter/gc9xxx/qp_gc9107.h b/drivers/painter/gc9xxx/qp_gc9107.h
new file mode 100644
index 0000000000..b0b08f7665
--- /dev/null
+++ b/drivers/painter/gc9xxx/qp_gc9107.h
@@ -0,0 +1,37 @@
1// Copyright 2024 Fernando Birra (@gr1mr3aver)
2// SPDX-License-Identifier: GPL-2.0-or-later
3#pragma once
4
5#include "gpio.h"
6#include "qp_internal.h"
7
8////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
9// Quantum Painter GC9107 configurables (add to your keyboard's config.h)
10
11#ifndef GC9107_NUM_DEVICES
12/**
13 * @def This controls the maximum number of GC9107 devices that Quantum Painter can communicate with at any one time.
14 * Increasing this number allows for multiple displays to be used.
15 */
16# define GC9107_NUM_DEVICES 1
17#endif
18
19////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
20// Quantum Painter GC9107 device factories
21
22#ifdef QUANTUM_PAINTER_GC9107_SPI_ENABLE
23/**
24 * Factory method for an GC9107 SPI LCD device.
25 *
26 * @param panel_width[in] the width of the display panel
27 * @param panel_height[in] the height of the display panel
28 * @param chip_select_pin[in] the GPIO pin used for SPI chip select
29 * @param dc_pin[in] the GPIO pin used for D/C control
30 * @param reset_pin[in] the GPIO pin used for RST
31 * @param spi_divisor[in] the SPI divisor to use when communicating with the display
32 * @param spi_mode[in] the SPI mode to use when communicating with the display
33 * @return the device handle used with all drawing routines in Quantum Painter
34 */
35painter_device_t qp_gc9107_make_spi_device(uint16_t panel_width, uint16_t panel_height, pin_t chip_select_pin, pin_t dc_pin, pin_t reset_pin, uint16_t spi_divisor, int spi_mode);
36
37#endif // QUANTUM_PAINTER_GC9107_SPI_ENABLE
diff --git a/drivers/painter/gc9xxx/qp_gc9107_opcodes.h b/drivers/painter/gc9xxx/qp_gc9107_opcodes.h
new file mode 100644
index 0000000000..e9b308eb49
--- /dev/null
+++ b/drivers/painter/gc9xxx/qp_gc9107_opcodes.h
@@ -0,0 +1,135 @@
1// Copyright 2024 Fernando Birra
2// SPDX-License-Identifier: GPL-2.0-or-later
3#pragma once
4
5////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
6// Quantum Painter GC9107 command opcodes
7////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
8
9#define GC9107_GET_POWER_MODE 0x0A // Get power mode
10#define GC9107_GET_MADCTL 0x0B // Get MADCTL
11#define GC9107_GET_PIXEL_FMT 0x0C // Get pixel format
12#define GC9107_GET_IMAGE_FMT 0x0D // Get image format
13#define GC9107_GET_SIGNAL_MODE 0x0E // Get signal mode
14#define GC9107_GET_DIAG_RESULT 0x0F // Get self-diagnostic results
15
16#define GC9107_SET_FRAME_RATE 0xA8 // Set frame rate
17#define GC9107_SET_COMPLEMENT_RGB 0xAC // Set complement Principle RGB
18#define GC9107_SET_BLANK_PORCH 0xAD // Set blank porch control, 0;front_porch[6:0],0;back_porch[6:0]
19#define GC9107_SET_FUNCTION_CTL1 0xB1 // Set access to AVDD_VCL_CLK and VGH_VGL_CLK commands
20#define GC9107_SET_FUNCTION_CTL2 0xB2 // Set access to VGH, VGH control commands
21#define GC9107_SET_FUNCTION_CTL3 0xB3 // Set access to Gamma control commands
22#define GC9107_SET_DISPLAY_INVERSION 0xB4 // Set Display Inversion control
23#define GC9107_SET_FUNCTION_CTL6 0xB6 // Set access to commands SET_FRAME_RATE, SET_COMPLEMENT_RGB and SET_BLANK_PORCH
24#define GC9107_SET_CUSTOM_ID_INFO 0xD3 // Set customized display id information
25#define GC9107_AVDD_VCL_CLK 0xE3 // AVDD_CLK
26#define GC9107_SET_VGH 0xE8 // Set VGH
27#define GC9107_SET_VGL 0xE9 // Set VGL
28#define GC9107_SET_VGH_VGL_CLK 0xEA // Set VGH and VGL clock divisors
29
30////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
31// GC9107 Parameter constants
32
33// Parameter values for
34// GC9107_SET_PIXEL_FORMAT
35#define GC9107_PIXEL_FORMAT_12_BPP_IFPF (0b001 << 0) // 12 bits per pixel
36#define GC9107_PIXEL_FORMAT_16_BPP_IFPF (0b101 << 0) // 16 bits per pixel
37#define GC9107_PIXEL_FORMAT_18_BPP_IFPB (0b110 << 0) // 18 bits per pixel
38
39// Parameter values for
40// GC9107_SET_COMPLEMENT_RGB
41#define GC9107_COMPLEMENT_WITH_0 0x00 // R0 <- B0 <- 0, except if data is FFh
42#define GC9107_COMPLEMENT_WITH_1 0x40 // R0 <- B0 <- 1, except if data is 00h
43#define GC9107_COMPLEMENT_WITH_MSB 0x80 // R0 <- R5, B0 <- B5
44#define GC9107_COMPLEMENT_WITH_LSB 0xC0 // R0 <- B0 <- G0
45// Parameter masks for
46// GC9107_SET_FUNCTION_CTL1
47#define GC9107_ALLOW_AVDD_VCL_CLK 0b00001000 // Allow AVDD_VCL_CLK command
48// Parameter masks for
49// GC9107_SET_FUNCTION_CTL2
50#define GC9107_ALLOW_SET_VGH 0b00000001 // Allow GC9107_SET_VGH
51#define GC9107_ALLOW_SET_VGL 0b00000010 // Allow GC9107_SET_VGL
52#define GC9107_ALLOW_SET_VGH_VGL_CLK 0b00000100 // Allow GC9107_SET_VGH_VGL_CLK
53// Parameter masks for
54// GC9107_SET_FUNCTION_CTL3
55#define GC9107_ALLOW_SET_GAMMA1 0b00000001 // Allow GC9107_SET_GAMMA1
56#define GC9107_ALLOW_SET_GAMMA2 0b00000010 // Allow GC9107_SET_GAMMA2
57// Parameter mask for
58// GC9107_SET_FUNCTION_CTL6
59#define GC9107_ALLOW_SET_FRAMERATE 0b000000001 // Allow GC9107_SET_FRAME_RATE
60#define GC9107_ALLOW_SET_COMPLEMENT_RGB 0b000010000 // Allow GC9107_SET_COMPLEMENT_RGB
61#define GC9107_ALLOW_SET_BLANK_PORCH 0b000100000 // Allow GFC9107_SET_BLANK_PORCH
62// Parameter values for
63// AVDD_CLK_AD part (Most significant nibble)
64#define GC9107_AVDD_CLK_AD_2T 0x00
65#define GC9107_AVDD_CLK_AD_3T 0x10
66#define GC9107_AVDD_CLK_AD_4T 0x20
67#define GC9107_AVDD_CLK_AD_5T 0x30
68#define GC9107_AVDD_CLK_AD_6T 0x40
69#define GC9107_AVDD_CLK_AD_7T 0x50
70#define GC9107_AVDD_CLK_AD_8T 0x60
71#define GC9107_AVDD_CLK_AD_9T 0x70
72// Parameter values for
73// VCL_CLK_AD part (Least significant nibble)
74#define GC9107_VCL_CLK_AD_2T 0x00
75#define GC9107_VCL_CLK_AD_3T 0x01
76#define GC9107_VCL_CLK_AD_4T 0x02
77#define GC9107_VCL_CLK_AD_5T 0x03
78#define GC9107_VCL_CLK_AD_6T 0x04
79#define GC9107_VCL_CLK_AD_7T 0x05
80#define GC9107_VCL_CLK_AD_8T 0x06
81#define GC9107_VCL_CLK_AD_9T 0x07
82// Parameter values for
83// GC9107_SET_VGH
84#define GC9107_VGH_P100 0x20 // +10 V
85#define GC9107_VGH_P110 0x21 // +11 V
86#define GC9107_VGH_P120 0x22 // +12 V
87#define GC9107_VGH_P130 0x23 // +13 V
88#define GC9107_VGH_P140 0x24 // +14 V
89#define GC9107_VGH_P150 0x25 // +15 V
90// Parameter values for
91// GC9107_SET_VGL
92#define VGL_N_075 0x40 // -7.5 V
93#define VGL_N_085 0x41 // -8.5 V
94#define VGL_N_095 0x42 // -9.5 V
95#define VGL_N_100 0x43 // -10.0 V
96#define VGL_N_105 0x44 // -10.5 V
97#define VGL_N_110 0x45 // -11.0 V
98#define VGL_N_120 0x46 // -12.0 V
99#define VGL_N_130 0x47 // -13.0 V
100// Parameter masks for
101// GC9107_SET_VGH_VGL_CLK (VGH Divisor)
102#define GC9107_VGH_CLK_DIV_2 0x00 // Clock divisor = 2 -> 6.0 Mhz
103#define GC9107_VGH_CLK_DIV_3 0x10 // Clock divisor = 3 -> 4.0 Mhz
104#define GC9107_VGH_CLK_DIV_4 0x20 // Clock divisor = 4 -> 3.0 Mhz
105#define GC9107_VGH_CLK_DIV_5 0x30 // Clock divisor = 5 -> 2.4 Mhz
106#define GC9107_VGH_CLK_DIV_6 0x40 // Clock divisor = 6 -> 2.0 Mhz
107#define GC9107_VGH_CLK_DIV_7 0x50 // Clock divisor = 7 -> 1.7 Mhz
108#define GC9107_VGH_CLK_DIV_8 0x60 // Clock divisor = 8 -> 1.5 Mhz
109#define GC9107_VGH_CLK_DIV_9 0x70 // Clock divisor = 9 -> 1.3 Mhz
110#define GC9107_VGH_CLK_DIV_10 0x80 // Clock divisor = 10 -> 1.2 Mhz
111#define GC9107_VGH_CLK_DIV_12 0x90 // Clock divisor = 12 -> 1.0 Mhz
112#define GC9107_VGH_CLK_DIV_15 0xA0 // Clock divisor = 15 -> 0.8 Mhz
113#define GC9107_VGH_CLK_DIV_20 0xB0 // Clock divisor = 20 -> 0.6 Mhz
114#define GC9107_VGH_CLK_DIV_24 0xC0 // Clock divisor = 24 -> 0.5 Mhz
115#define GC9107_VGH_CLK_DIV_30 0xD0 // Clock divisor = 30 -> 0.4 Mhz
116#define GC9107_VGH_CLK_DIV_40 0xE0 // Clock divisor = 40 -> 0.3 Mhz
117#define GC9107_VGH_CLK_DIV_60 0xE0 // Clock divisor = 40 -> 0.2 Mhz
118// Parameter masks for
119// GC9107_SET_VGH_VGL_CLK (VGL Divisor)
120#define GC9107_VGL_CLK_DIV_2 0x00 // Clock divisor = 2 -> 6.0 Mhz
121#define GC9107_VGL_CLK_DIV_3 0x01 // Clock divisor = 3 -> 4.0 Mhz
122#define GC9107_VGL_CLK_DIV_4 0x02 // Clock divisor = 4 -> 3.0 Mhz
123#define GC9107_VGL_CLK_DIV_5 0x03 // Clock divisor = 5 -> 2.4 Mhz
124#define GC9107_VGL_CLK_DIV_6 0x04 // Clock divisor = 6 -> 2.0 Mhz
125#define GC9107_VGL_CLK_DIV_7 0x05 // Clock divisor = 7 -> 1.7 Mhz
126#define GC9107_VGL_CLK_DIV_8 0x06 // Clock divisor = 8 -> 1.5 Mhz
127#define GC9107_VGL_CLK_DIV_9 0x07 // Clock divisor = 9 -> 1.3 Mhz
128#define GC9107_VGL_CLK_DIV_10 0x08 // Clock divisor = 10 -> 1.2 Mhz
129#define GC9107_VGL_CLK_DIV_12 0x09 // Clock divisor = 12 -> 1.0 Mhz
130#define GC9107_VGL_CLK_DIV_15 0x0A // Clock divisor = 15 -> 0.8 Mhz
131#define GC9107_VGL_CLK_DIV_20 0x0B // Clock divisor = 20 -> 0.6 Mhz
132#define GC9107_VGL_CLK_DIV_24 0x0C // Clock divisor = 24 -> 0.5 Mhz
133#define GC9107_VGL_CLK_DIV_30 0x0D // Clock divisor = 30 -> 0.4 Mhz
134#define GC9107_VGL_CLK_DIV_40 0x0E // Clock divisor = 40 -> 0.3 Mhz
135#define GC9107_VGL_CLK_DIV_60 0x0E // Clock divisor = 40 -> 0.2 Mhz
diff --git a/drivers/painter/gc9a01/qp_gc9a01.c b/drivers/painter/gc9xxx/qp_gc9a01.c
index fe6fa7a9d0..f037a4cc87 100644
--- a/drivers/painter/gc9a01/qp_gc9a01.c
+++ b/drivers/painter/gc9xxx/qp_gc9a01.c
@@ -5,6 +5,7 @@
5#include "qp_internal.h" 5#include "qp_internal.h"
6#include "qp_comms.h" 6#include "qp_comms.h"
7#include "qp_gc9a01.h" 7#include "qp_gc9a01.h"
8#include "qp_gc9xxx_opcodes.h"
8#include "qp_gc9a01_opcodes.h" 9#include "qp_gc9a01_opcodes.h"
9#include "qp_tft_panel.h" 10#include "qp_tft_panel.h"
10 11
@@ -20,71 +21,40 @@ tft_panel_dc_reset_painter_device_t gc9a01_drivers[GC9A01_NUM_DEVICES] = {0};
20__attribute__((weak)) bool qp_gc9a01_init(painter_device_t device, painter_rotation_t rotation) { 21__attribute__((weak)) bool qp_gc9a01_init(painter_device_t device, painter_rotation_t rotation) {
21 // A lot of these "unknown" opcodes are sourced from other OSS projects and are seemingly required for this display to function. 22 // A lot of these "unknown" opcodes are sourced from other OSS projects and are seemingly required for this display to function.
22 // clang-format off 23 // clang-format off
24
23 const uint8_t gc9a01_init_sequence[] = { 25 const uint8_t gc9a01_init_sequence[] = {
24 // Command, Delay, N, Data[N] 26 // Command, Delay, N, Data[N]
25 GC9A01_SET_INTER_REG_ENABLE2, 0, 0, 27 GC9XXX_SET_INTER_REG_ENABLE1, 0, 0,
26 0xEB, 0, 1, 0x14, 28 GC9XXX_SET_INTER_REG_ENABLE2, 0, 0,
27 GC9A01_SET_INTER_REG_ENABLE1, 0, 0,
28 GC9A01_SET_INTER_REG_ENABLE2, 0, 0,
29 0xEB, 0, 1, 0x14,
30 0x84, 0, 1, 0x40, 29 0x84, 0, 1, 0x40,
31 0x85, 0, 1, 0xFF, 30 GC9A01_SET_FUNCTION_CTL, 0, 3, 0x00, GC9A01_SOURCE_OUTPUT_SCAN_DIRECTION_S360_TO_S1 | GC9A01_GATE_OUTPUT_SCAN_DIRECTION_G1_TO_G32, GC9A01_LCD_DRIVE_LINE_240, // Only works if the previous command is present (undocumented)
32 0x86, 0, 1, 0xFF, 31 GC9A01_SET_POWER_CTL_2, 0, 1, 0x20,
33 0x87, 0, 1, 0xFF, 32 GC9A01_SET_POWER_CTL_3, 0, 1, 0x20,
34 0x88, 0, 1, 0x0A,
35 0x89, 0, 1, 0x21,
36 0x8a, 0, 1, 0x00,
37 0x8b, 0, 1, 0x80,
38 0x8c, 0, 1, 0x01,
39 0x8d, 0, 1, 0x01,
40 0x8e, 0, 1, 0xFF,
41 0x8f, 0, 1, 0xFF,
42 GC9A01_SET_FUNCTION_CTL, 0, 2, 0x00, 0x20,
43 GC9A01_SET_PIX_FMT, 0, 1, 0x55,
44 0x90, 0, 4, 0x08, 0x08, 0x08, 0x08,
45 0xBD, 0, 1, 0x06,
46 0xBC, 0, 1, 0x00,
47 0xFF, 0, 3, 0x60, 0x01, 0x04,
48 GC9A01_SET_POWER_CTL_2, 0, 1, 0x13,
49 GC9A01_SET_POWER_CTL_3, 0, 1, 0x13,
50 GC9A01_SET_POWER_CTL_4, 0, 1, 0x22, 33 GC9A01_SET_POWER_CTL_4, 0, 1, 0x22,
51 0xBE, 0, 1, 0x11, 34 GC9XXX_SET_GAMMA1, 0, 6, 0x45, 0x09, 0x08, 0x08, 0x26, 0x2A,
52 0xE1, 0, 2, 0x10, 0x0E, 35 GC9XXX_SET_GAMMA2, 0, 6, 0x43, 0x70, 0x72, 0x36, 0x37, 0x6F,
53 0xDF, 0, 3, 0x21, 0x0C, 0x02,
54 GC9A01_SET_GAMMA1, 0, 6, 0x45, 0x09, 0x08, 0x08, 0x26, 0x2A,
55 GC9A01_SET_GAMMA2, 0, 6, 0x43, 0x70, 0x72, 0x36, 0x37, 0x6F,
56 GC9A01_SET_GAMMA3, 0, 6, 0x45, 0x09, 0x08, 0x08, 0x26, 0x2A, 36 GC9A01_SET_GAMMA3, 0, 6, 0x45, 0x09, 0x08, 0x08, 0x26, 0x2A,
57 GC9A01_SET_GAMMA4, 0, 6, 0x43, 0x70, 0x72, 0x36, 0x37, 0x6F, 37 GC9A01_SET_GAMMA4, 0, 6, 0x43, 0x70, 0x72, 0x36, 0x37, 0x6F,
58 0xED, 0, 2, 0x1B, 0x0B,
59 0xAE, 0, 1, 0x77,
60 0xCD, 0, 1, 0x63,
61 0x70, 0, 9, 0x07, 0x07, 0x04, 0x0E, 0x0F, 0x09, 0x07, 0x08, 0x03,
62 GC9A01_SET_FRAME_RATE, 0, 1, 0x34,
63 0x62, 0, 12, 0x18, 0x0D, 0x71, 0xED, 0x70, 0x70, 0x18, 0x0F, 0x71, 0xEF, 0x70, 0x70,
64 0x63, 0, 12, 0x18, 0x11, 0x71, 0xF1, 0x70, 0x70, 0x18, 0x13, 0x71, 0xF3, 0x70, 0x70,
65 0x64, 0, 7, 0x28, 0x29, 0xF1, 0x01, 0xF1, 0x00, 0x07,
66 0x66, 0, 10, 0x3C, 0x00, 0xCD, 0x67, 0x45, 0x45, 0x10, 0x00, 0x00, 0x00, 38 0x66, 0, 10, 0x3C, 0x00, 0xCD, 0x67, 0x45, 0x45, 0x10, 0x00, 0x00, 0x00,
67 0x67, 0, 10, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, 0x54, 0x10, 0x32, 0x98, 39 0x67, 0, 10, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x01, 0x54, 0x10, 0x32, 0x98,
68 0x74, 0, 7, 0x10, 0x85, 0x80, 0x00, 0x00, 0x4E, 0x00, 40 GC9XXX_CMD_TEARING_ON, 0, 0,
69 0x98, 0, 2, 0x3E, 0x07, 41 GC9XXX_SET_PIXEL_FORMAT, 0, 1, GC9A01_PIXEL_FORMAT_16_BPP_DBI,
70 GC9A01_CMD_TEARING_OFF, 0, 0, 42 GC9XXX_CMD_INVERT_ON, 0, 0,
71 GC9A01_CMD_INVERT_OFF, 0, 0, 43 GC9XXX_CMD_SLEEP_OFF, 120, 0,
72 GC9A01_CMD_SLEEP_OFF, 120, 0, 44 GC9XXX_CMD_DISPLAY_ON, 20, 0
73 GC9A01_CMD_DISPLAY_ON, 20, 0
74 }; 45 };
75 // clang-format on 46 // clang-format on
76 47
77 // clang-format on
78 qp_comms_bulk_command_sequence(device, gc9a01_init_sequence, sizeof(gc9a01_init_sequence)); 48 qp_comms_bulk_command_sequence(device, gc9a01_init_sequence, sizeof(gc9a01_init_sequence));
79 49
80 // Configure the rotation (i.e. the ordering and direction of memory writes in GRAM) 50 // Configure the rotation (i.e. the ordering and direction of memory writes in GRAM)
81 const uint8_t madctl[] = { 51 const uint8_t madctl[] = {
82 [QP_ROTATION_0] = GC9A01_MADCTL_BGR, 52 [QP_ROTATION_0] = GC9XXX_MADCTL_BGR,
83 [QP_ROTATION_90] = GC9A01_MADCTL_BGR | GC9A01_MADCTL_MX | GC9A01_MADCTL_MV, 53 [QP_ROTATION_90] = GC9XXX_MADCTL_BGR | GC9XXX_MADCTL_MX | GC9XXX_MADCTL_MV,
84 [QP_ROTATION_180] = GC9A01_MADCTL_BGR | GC9A01_MADCTL_MX | GC9A01_MADCTL_MY, 54 [QP_ROTATION_180] = GC9XXX_MADCTL_BGR | GC9XXX_MADCTL_MX | GC9XXX_MADCTL_MY,
85 [QP_ROTATION_270] = GC9A01_MADCTL_BGR | GC9A01_MADCTL_MV | GC9A01_MADCTL_MY, 55 [QP_ROTATION_270] = GC9XXX_MADCTL_BGR | GC9XXX_MADCTL_MV | GC9XXX_MADCTL_MY,
86 }; 56 };
87 qp_comms_command_databyte(device, GC9A01_SET_MEM_ACS_CTL, madctl[rotation]); 57 qp_comms_command_databyte(device, GC9XXX_SET_MEM_ACS_CTL, madctl[rotation]);
88 58
89 return true; 59 return true;
90} 60}
@@ -110,11 +80,11 @@ const tft_panel_dc_reset_painter_driver_vtable_t gc9a01_driver_vtable = {
110 .swap_window_coords = false, 80 .swap_window_coords = false,
111 .opcodes = 81 .opcodes =
112 { 82 {
113 .display_on = GC9A01_CMD_DISPLAY_ON, 83 .display_on = GC9XXX_CMD_DISPLAY_ON,
114 .display_off = GC9A01_CMD_DISPLAY_OFF, 84 .display_off = GC9XXX_CMD_DISPLAY_OFF,
115 .set_column_address = GC9A01_SET_COL_ADDR, 85 .set_column_address = GC9XXX_SET_COL_ADDR,
116 .set_row_address = GC9A01_SET_PAGE_ADDR, 86 .set_row_address = GC9XXX_SET_ROW_ADDR,
117 .enable_writes = GC9A01_SET_MEM, 87 .enable_writes = GC9XXX_SET_MEM,
118 }, 88 },
119}; 89};
120 90
diff --git a/drivers/painter/gc9a01/qp_gc9a01.h b/drivers/painter/gc9xxx/qp_gc9a01.h
index 31a3804b50..31a3804b50 100644
--- a/drivers/painter/gc9a01/qp_gc9a01.h
+++ b/drivers/painter/gc9xxx/qp_gc9a01.h
diff --git a/drivers/painter/gc9xxx/qp_gc9a01_opcodes.h b/drivers/painter/gc9xxx/qp_gc9a01_opcodes.h
new file mode 100644
index 0000000000..5853902e68
--- /dev/null
+++ b/drivers/painter/gc9xxx/qp_gc9a01_opcodes.h
@@ -0,0 +1,104 @@
1// Copyright 2021 Paul Cotter (@gr1mr3aver)
2// Copyright 2024 Fernando Birra
3// SPDX-License-Identifier: GPL-2.0-or-later
4#pragma once
5
6////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
7// Quantum Painter GC9A01 command opcodes
8////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
9
10#define GC9A01_SET_MEM_CONT 0x3C // Set memory continue
11#define GC9A01_SET_BRIGHTNESS 0x51 // Set brightness
12#define GC9A01_SET_DISPLAY_CTL 0x53 // Set display ctl
13
14#define GC9A01_SET_RGB_IF_SIG_CTL 0xB0 // RGB IF signal ctl
15#define GC9A01_SET_BLANKING_PORCH_CTL 0xB5 // Set blanking porch ctl
16#define GC9A01_SET_FUNCTION_CTL 0xB6 // Set function ctl
17#define GC9A01_SET_TEARING_EFFECT 0xBA // Set tering effect control
18#define GC9A01_SET_POWER_CTL_7 0xA7 // Set power ctl 7
19#define GC9A01_SET_POWER_CTL_1 0xC1 // Set power ctl 1
20#define GC9A01_SET_POWER_CTL_2 0xC3 // Set power ctl 2
21#define GC9A01_SET_POWER_CTL_3 0xC4 // Set power ctl 3
22#define GC9A01_SET_POWER_CTL_4 0xC9 // Set power ctl 4
23#define GC9A01_SET_FRAME_RATE 0xE8 // Set frame rate
24#define GC9A01_SET_SPI_2DATA 0xE9 // Set frame rate
25#define GC9A01_SET_GAMMA3 0xF2 // Set gamma 3
26#define GC9A01_SET_GAMMA4 0xF3 // Set gamma 4
27#define GC9A01_SET_IF_CTL 0xF6 // Set interface control
28
29////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
30// GC9A01 MADCTL Flags
31#define GC9A01_MADCTL_MH 0b00000100
32
33////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
34// GC9A01 Parameter constants
35
36// Parameter values for
37// GC9A01_SET_PIXEL_FORMAT
38#define GC9A01_PIXEL_FORMAT_12_BPP_DBI (0b011 << 0) // 12 bits/pixel MCU interface format
39#define GC9A01_PIXEL_FORMAT_16_BPP_DBI (0b101 << 0) // 16 bits/pixel MCU interface format
40#define GC9A01_PIXEL_FORMAT_18_BPP_DBI (0b110 << 0) // 18 bits/pixel MCU interface format
41#define GC9A01_PIXEL_FORMAT_16_BPP_DPI (0b101 << 4) // 16 bits/pixel RGB interface format
42#define GC9A01_PIXEL_FORMAT_18_BPP_DPI (0b110 << 4) // 18 bits/pixel RGB interface format
43
44// Parameter values for
45// GC9A01_SET_FUNCTION_CTL (2nd parameter)
46#define GC9A01_SOURCE_OUTPUT_SCAN_DIRECTION_S1_TO_S360 0b00000000
47#define GC9A01_SOURCE_OUTPUT_SCAN_DIRECTION_S360_TO_S1 0b00100000
48#define GC9A01_GATE_OUTPUT_SCAN_DIRECTION_G1_TO_G32 0b00000000
49#define GC9A01_GATE_OUTPUT_SCAN_DIRECTION_G32_TO_G1 0b01000000
50#define GC9A01_SCAN_MODE_INTER 0x10
51
52// Parameter values for
53// GC9A01_SET_FUNCTION_CTL (3rd parameter)
54#define GC9A01_LCD_DRIVE_LINE_16 0x01
55#define GC9A01_LCD_DRIVE_LINE_24 0x02
56#define GC9A01_LCD_DRIVE_LINE_32 0x03
57#define GC9A01_LCD_DRIVE_LINE_40 0x04
58#define GC9A01_LCD_DRIVE_LINE_48 0x05
59#define GC9A01_LCD_DRIVE_LINE_56 0x06
60#define GC9A01_LCD_DRIVE_LINE_64 0x07
61#define GC9A01_LCD_DRIVE_LINE_72 0x08
62#define GC9A01_LCD_DRIVE_LINE_80 0x09
63#define GC9A01_LCD_DRIVE_LINE_88 0x0A
64#define GC9A01_LCD_DRIVE_LINE_96 0x0B
65#define GC9A01_LCD_DRIVE_LINE_104 0x0C
66#define GC9A01_LCD_DRIVE_LINE_112 0x0D
67#define GC9A01_LCD_DRIVE_LINE_120 0x0E
68#define GC9A01_LCD_DRIVE_LINE_128 0x0F
69#define GC9A01_LCD_DRIVE_LINE_136 0x10
70#define GC9A01_LCD_DRIVE_LINE_144 0x11
71#define GC9A01_LCD_DRIVE_LINE_152 0x12
72#define GC9A01_LCD_DRIVE_LINE_160 0x13
73#define GC9A01_LCD_DRIVE_LINE_168 0x14
74#define GC9A01_LCD_DRIVE_LINE_176 0x15
75#define GC9A01_LCD_DRIVE_LINE_184 0x16
76#define GC9A01_LCD_DRIVE_LINE_192 0x17
77#define GC9A01_LCD_DRIVE_LINE_200 0x18
78#define GC9A01_LCD_DRIVE_LINE_208 0x19
79#define GC9A01_LCD_DRIVE_LINE_216 0x1A
80#define GC9A01_LCD_DRIVE_LINE_224 0x1B
81#define GC9A01_LCD_DRIVE_LINE_232 0x1C
82#define GC9A01_LCD_DRIVE_LINE_240 0x1D
83
84// Parameter values for
85// GC9A01_SET_DISPLAY_CTL
86#define GC9A01_BRIGHTNESS_CONTROL_ON 0b00100000
87#define GC9A01_DIMMING_ON 0b00001000
88#define GC9A01_BACKLIGHT_ON 0b00000100
89#define GC9A01_BRIGHTNESS_CONTROL_OFF 0b00000000
90#define GC9A01_DIMMING_OFF 0b00000000
91#define GC9A01_BACKLIGHT_OFF 0b00000000
92
93// Parameter values for
94// GC9A01_SET_IF_CTL
95#define GC9A01_DISPLAY_MODE_INTERNAL_CLOCK 0b00000000
96#define GC9A01_DISPLAY_MODE_RGB_INTERFACE 0b00000100
97#define GC9A01_DISPLAY_MODE_VSYNC_INTERFACE 0b00001000
98#define GC9A01_DSISPLAY_MODE_DISABLED 0b00001100
99
100#define GC0A01_GRAM_INTERFACE_VSYNC 0b00000000
101#define GC9A01_GRAM_INTERFACE_RGB 0b00000010
102
103#define GC9A01_RGB_INTERFACE_MODE_1_TRANSFER 0b00000000
104#define GC9A01_RGB_INTERFACE_MODE_3_TRANSFER 0b00000001 \ No newline at end of file
diff --git a/drivers/painter/gc9xxx/qp_gc9xxx_opcodes.h b/drivers/painter/gc9xxx/qp_gc9xxx_opcodes.h
new file mode 100644
index 0000000000..7e0fbf9110
--- /dev/null
+++ b/drivers/painter/gc9xxx/qp_gc9xxx_opcodes.h
@@ -0,0 +1,55 @@
1// Copyright 2021 Paul Cotter (@gr1mr3aver)
2// Copyright 2024 Fernando Birra
3// SPDX-License-Identifier: GPL-2.0-or-later
4#pragma once
5
6////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
7// Quantum Painter GC9xxx command opcodes
8////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
9
10#define GC9XXX_GET_ID_INFO 0x04 // Get ID information
11#define GC9XXX_GET_STATUS 0x09 // Get status
12
13#define GC9XXX_CMD_SLEEP_ON 0x10 // Enter sleep mode
14#define GC9XXX_CMD_SLEEP_OFF 0x11 // Exit sleep mode
15#define GC9XXX_CMD_PARTIAL_ON 0x12 // Enter partial mode
16#define GC9XXX_CMD_PARTIAL_OFF 0x13 // Exit partial mode
17
18#define GC9XXX_CMD_INVERT_OFF 0x20 // Exit inverted mode
19#define GC9XXX_CMD_INVERT_ON 0x21 // Enter inverted mode
20#define GC9XXX_CMD_DISPLAY_OFF 0x28 // Disable display
21#define GC9XXX_CMD_DISPLAY_ON 0x29 // Enable display
22#define GC9XXX_SET_COL_ADDR 0x2A // Set column address (MSB(StartCol),LSB(StartCol),MSB(EndCol),LSB(EndCol)
23#define GC9XXX_SET_ROW_ADDR 0x2B // Set row address (MSB(StartRow),LSB(StartRow),MSB(EndRow),LSB(EndRow)
24#define GC9XXX_SET_MEM 0x2C // Set (write) memory
25
26#define GC9XXX_SET_PARTIAL_AREA 0x30 // Set partial area (MSB(StartRow),LSB(StartRow),MSB(EndRow),LSB(EndRow)
27#define GC9XXX_SET_VSCROLL 0x33 // Set vertical scroll MSB(TFA),LSB(TFA),MSB(VSA),LSB(VSA)+ GC9107 extra param: MSB(BFA),LSB(BFA)
28#define GC9XXX_CMD_TEARING_OFF 0x34 // Tearing effect line OFF
29#define GC9XXX_CMD_TEARING_ON 0x35 // Tearing effect line ON
30#define GC9XXX_SET_MEM_ACS_CTL 0x36 // Set mem access ctl
31#define GC9XXX_SET_VSCROLL_ADDR 0x37 // Set vscroll start addr
32#define GC9XXX_CMD_IDLE_OFF 0x38 // Exit idle mode
33#define GC9XXX_CMD_IDLE_ON 0x39 // Enter idle mode
34#define GC9XXX_SET_PIXEL_FORMAT 0x3A // Set pixel format
35#define GC9XXX_SET_TEAR_SCANLINE 0x44 // Set tearing scanline (Scanline = LS bit of Param 1 (GC9A01) + Param 2(GC9XXX))
36#define GC9XXX_GET_TEAR_SCANLINE 0x45 // Get tearing scanline (Scanline = LS bit of Param 1 (GC9A01) + Param 2(GC9XXX))
37#define GC9XXX_GET_ID1 0xDA // Get ID1
38#define GC9XXX_GET_ID2 0xDB // Get ID2
39#define GC9XXX_GET_ID3 0xDC // Get ID3
40#define GC9XXX_SET_INTER_REG_ENABLE1 0xFE // Enable Inter Register 1
41#define GC9XXX_SET_INTER_REG_ENABLE2 0xEF // Enable Inter Register 2
42#define GC9XXX_SET_GAMMA1 0xF0 // Set gamma 1
43#define GC9XXX_SET_GAMMA2 0xF1 // Set gamma 2
44
45////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
46// MADCTL Flags
47#define GC9XXX_MADCTL_MY 0b10000000 // Mirror Y (row address order)
48#define GC9XXX_MADCTL_MX 0b01000000 // Mirror X (column address order)
49#define GC9XXX_MADCTL_MV 0b00100000 // Vertical Refresh Order (bottom to top)
50#define GC9XXX_MADCTL_ML 0b00010000
51#define GC9XXX_MADCTL_BGR 0b00001000
52#define GC9XXX_MADCTL_RGB 0b00000000
53
54////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
55// GC9XXX Parameter constants
generated by cgit v1.2.3 (git 2.25.1) at 2026-09-03 09:00:16 +0000