[PATCH 4/6] drm: panel: nv3052c: Add a panel for RG40XX series

Hironori KIKUCHI
2024-11-24T08:03:17Z

This is a display panel used in the Anbernic RG40XX series (H and V),
a handheld gaming device from Anbernic. It is 4.00 inches in size
(diagonally) with a resolution of 640x480.

Signed-off-by: Hironori KIKUCHI <kikuchan98@gmail.com>
---
.../gpu/drm/panel/panel-newvision-nv3052c.c | 212 ++++++++++++++++++
1 file changed, 212 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-newvision-nv3052c.c b/drivers/gpu/drm/panel/panel-newvision-nv3052c.c
index 166393ccfed..5a7cf6cb8be 100644
--- a/drivers/gpu/drm/panel/panel-newvision-nv3052c.c
+++ b/drivers/gpu/drm/panel/panel-newvision-nv3052c.c
@@ -779,6 +779,190 @@ static const struct nv3052c_reg ylm_lbv0345001h_v2_panel_regs[] = {
{ 0x36, 0x0a }, // bgr = 1, ss = 1, gs = 0
};

+static const struct nv3052c_reg ylm_lbv0400001x_v1_panel_regs[] = {
+ // EXTC Command set enable, select page 1
+ { 0xff, 0x30 }, { 0xff, 0x52 }, { 0xff, 0x01 },
+ // Mostly unknown registers
+ { 0xe3, 0x00 },
+ { 0x0a, 0x01 }, // WRMADC_EN
+ { 0x23, 0x00 }, // RGB interface control: DE+SYNC MODE PCLK-N
+ { 0x25, 0x14 },
+ { 0x28, 0x47 },
+ { 0x29, 0x01 },
+ { 0x2a, 0xdf },
+ { 0x38, 0x9c }, // VCOM_ADJ1
+ { 0x39, 0xa7 }, // VCOM_ADJ2
+ { 0x3a, 0x47 }, // VCOM_ADJ3
+ { 0x91, 0x77 }, // EXTPW_CTRL2
+ { 0x92, 0x77 }, // EXTPW_CTRL3
+ { 0x99, 0x52 }, // PUMP_CTRL2
+ { 0x9b, 0x5b }, // PUMP_CTRL4
+ { 0xa0, 0x55 },
+ { 0xa1, 0x50 },
+ { 0xa4, 0x9c },
+ { 0xa7, 0x02 },
+ { 0xa8, 0x01 },
+ { 0xa9, 0x01 },
+ { 0xaa, 0xfc },
+ { 0xab, 0x28 },
+ { 0xac, 0x06 },
+ { 0xad, 0x06 },
+ { 0xae, 0x06 },
+ { 0xaf, 0x03 },
+ { 0xb0, 0x08 },
+ { 0xb1, 0x26 },
+ { 0xb2, 0x28 },
+ { 0xb3, 0x28 },
+ { 0xb4, 0x03 },
+ { 0xb5, 0x08 },
+ { 0xb6, 0x26 },
+ { 0xb7, 0x08 },
+ { 0xb8, 0x26 },
+ // EXTC Command set enable, select page 2
+ { 0xff, 0x30 }, { 0xff, 0x52 }, { 0xff, 0x02 },
+ // Set gray scale voltage to adjust gamma
+ { 0xb0, 0x05 }, // PGAMVR0
+ { 0xb1, 0x12 }, // PGAMVR1
+ { 0xb2, 0x13 }, // PGAMVR2
+ { 0xb3, 0x2c }, // PGAMVR3
+ { 0xb4, 0x2a }, // PGAMVR4
+ { 0xb5, 0x37 }, // PGAMVR5
+ { 0xb6, 0x27 }, // PGAMPR0
+ { 0xb7, 0x42 }, // PGAMPR1
+ { 0xb8, 0x0f }, // PGAMPK0
+ { 0xb9, 0x06 }, // PGAMPK1
+ { 0xba, 0x12 }, // PGAMPK2
+ { 0xbb, 0x12 }, // PGAMPK3
+ { 0xbc, 0x13 }, // PGAMPK4
+ { 0xbd, 0x15 }, // PGAMPK5
+ { 0xbe, 0x1b }, // PGAMPK6
+ { 0xbf, 0x14 }, // PGAMPK7
+ { 0xc0, 0x1d }, // PGAMPK8
+ { 0xc1, 0x09 }, // PGAMPK9
+ { 0xd0, 0x02 }, // NGAMVR0
+ { 0xd1, 0x1c }, // NGAMVR0
+ { 0xd2, 0x1d }, // NGAMVR1
+ { 0xd3, 0x36 }, // NGAMVR2
+ { 0xd4, 0x34 }, // NGAMVR3
+ { 0xd5, 0x32 }, // NGAMVR4
+ { 0xd6, 0x25 }, // NGAMPR0
+ { 0xd7, 0x40 }, // NGAMPR1
+ { 0xd8, 0x0d }, // NGAMPK0
+ { 0xd9, 0x04 }, // NGAMPK1
+ { 0xda, 0x12 }, // NGAMPK2
+ { 0xdb, 0x12 }, // NGAMPK3
+ { 0xdc, 0x13 }, // NGAMPK4
+ { 0xdd, 0x15 }, // NGAMPK5
+ { 0xde, 0x15 }, // NGAMPK6
+ { 0xdf, 0x0c }, // NGAMPK7
+ { 0xe0, 0x13 }, // NGAMPK8
+ { 0xe1, 0x07 }, // NGAMPK9
+ // EXTC Command set enable, select page 3
+ { 0xff, 0x30 }, { 0xff, 0x52 }, { 0xff, 0x03 },
+ // Set various timing settings
+ { 0x08, 0x0a }, // GIP_VST_9
+ { 0x09, 0x0b }, // GIP_VST_10
+ { 0x30, 0x00 }, // GIP_CLK_1
+ { 0x31, 0x00 }, // GIP_CLK_2
+ { 0x32, 0x00 }, // GIP_CLK_3
+ { 0x33, 0x00 }, // GIP_CLK_4
+ { 0x34, 0x61 }, // GIP_CLK_5
+ { 0x35, 0xd4 }, // GIP_CLK_6
+ { 0x36, 0x24 }, // GIP_CLK_7
+ { 0x37, 0x03 }, // GIP_CLK_8
+ { 0x40, 0x0d }, // GIP_CLKA_1
+ { 0x41, 0x0e }, // GIP_CLKA_2
+ { 0x42, 0x0f }, // GIP_CLKA_3
+ { 0x43, 0x10 }, // GIP_CLKA_4
+ { 0x44, 0x11 }, // GIP_CLKA_5
+ { 0x45, 0xf4 }, // GIP_CLKA_6
+ { 0x46, 0xf5 }, // GIP_CLKA_7
+ { 0x47, 0x11 }, // GIP_CLKA_8
+ { 0x48, 0xf6 }, // GIP_CLKA_9
+ { 0x49, 0xf7 }, // GIP_CLKA_10
+ { 0x50, 0x11 }, // GIP_CLKB_1
+ { 0x51, 0x12 }, // GIP_CLKB_2
+ { 0x52, 0x13 }, // GIP_CLKB_3
+ { 0x53, 0x14 }, // GIP_CLKB_4
+ { 0x54, 0x11 }, // GIP_CLKB_5
+ { 0x55, 0xf8 }, // GIP_CLKB_6
+ { 0x56, 0xf9 }, // GIP_CLKB_7
+ { 0x57, 0x11 }, // GIP_CLKB_8
+ { 0x58, 0xfa }, // GIP_CLKB_9
+ { 0x59, 0xfb }, // GIP_CLKB_10
+ { 0x60, 0x05 }, // GIP_CLKC_1
+ { 0x61, 0x05 }, // GIP_CLKC_2
+ { 0x65, 0x0a }, // GIP_CLKC_6
+ { 0x66, 0x0a }, // GIP_CLKC_7
+ // Map internal GOA signals to GOA output pad
+ { 0x82, 0x1e }, // PANELU2D3
+ { 0x83, 0x1f }, // PANELU2D4
+ { 0x84, 0x11 }, // PANELU2D5
+ { 0x85, 0x02 }, // PANELU2D6
+ { 0x86, 0x1e }, // PANELU2D7
+ { 0x87, 0x1e }, // PANELU2D8
+ { 0x88, 0x1f }, // PANELU2D9
+ { 0x89, 0x0e }, // PANELU2D10
+ { 0x8a, 0x0e }, // PANELU2D11
+ { 0x8b, 0x10 }, // PANELU2D12
+ { 0x8c, 0x10 }, // PANELU2D13
+ { 0x8d, 0x0a }, // PANELU2D14
+ { 0x8e, 0x0a }, // PANELU2D15
+ { 0x8f, 0x0c }, // PANELU2D16
+ { 0x90, 0x0c }, // PANELU2D17
+ { 0x98, 0x1e }, // PANELU2D25
+ { 0x99, 0x1f }, // PANELU2D26
+ { 0x9a, 0x11 }, // PANELU2D27
+ { 0x9b, 0x01 }, // PANELU2D28
+ { 0x9c, 0x1e }, // PANELU2D29
+ { 0x9d, 0x1e }, // PANELU2D30
+ { 0x9e, 0x1f }, // PANELU2D31
+ { 0x9f, 0x0d }, // PANELU2D32
+ { 0xa0, 0x0d }, // PANELU2D33
+ { 0xa1, 0x0f }, // PANELU2D34
+ { 0xa2, 0x0f }, // PANELU2D35
+ { 0xa3, 0x09 }, // PANELU2D36
+ { 0xa4, 0x09 }, // PANELU2D37
+ { 0xa5, 0x0b }, // PANELU2D38
+ { 0xa6, 0x0b }, // PANELU2D39
+ { 0xb2, 0x1f }, // PANELD2U3
+ { 0xb3, 0x1e }, // PANELD2U4
+ { 0xb4, 0x11 }, // PANELD2U5
+ { 0xb5, 0x01 }, // PANELD2U6
+ { 0xb6, 0x1e }, // PANELD2U7
+ { 0xb7, 0x1e }, // PANELD2U8
+ { 0xb8, 0x1f }, // PANELD2U9
+ { 0xb9, 0x0b }, // PANELD2U10
+ { 0xba, 0x0b }, // PANELD2U11
+ { 0xbb, 0x09 }, // PANELD2U12
+ { 0xbc, 0x09 }, // PANELD2U13
+ { 0xbd, 0x0f }, // PANELD2U14
+ { 0xbe, 0x0f }, // PANELD2U15
+ { 0xbf, 0x0d }, // PANELD2U16
+ { 0xc0, 0x0d }, // PANELD2U17
+ { 0xc8, 0x1f }, // PANELD2U25
+ { 0xc9, 0x1e }, // PANELD2U26
+ { 0xca, 0x11 }, // PANELD2U27
+ { 0xcb, 0x02 }, // PANELD2U28
+ { 0xcc, 0x1e }, // PANELD2U29
+ { 0xcd, 0x1e }, // PANELD2U30
+ { 0xce, 0x1f }, // PANELD2U31
+ { 0xcf, 0x0c }, // PANELD2U32
+ { 0xd0, 0x0c }, // PANELD2U33
+ { 0xd1, 0x0a }, // PANELD2U34
+ { 0xd2, 0x0a }, // PANELD2U35
+ { 0xd3, 0x10 }, // PANELD2U36
+ { 0xd4, 0x10 }, // PANELD2U37
+ { 0xd5, 0x0e }, // PANELD2U38
+ { 0xd6, 0x0e }, // PANELD2U39
+ // EXTC Command set enable, select page 0
+ { 0xff, 0x30 }, { 0xff, 0x52 }, { 0xff, 0x00 },
+ // Interface Pixel Format
+ { 0x3a, 0x77 },
+ // Display Access Control
+ { 0x36, 0x0a }, // bgr = 1, ss = 1, gs = 0
+};
+
static inline struct nv3052c *to_nv3052c(struct drm_panel *panel)
{
return container_of(panel, struct nv3052c, panel);
@@ -1046,6 +1230,21 @@ static const struct drm_display_mode ylm_lbv0345001h_v2_mode[] = {
},
};

+static const struct drm_display_mode ylm_lbv0400001x_v1_mode[] = {
+ {
+ .clock = 24000,
+ .hdisplay = 640,
+ .hsync_start = 640 + 84,
+ .hsync_end = 640 + 84 + 20,
+ .htotal = 640 + 84 + 20 + 26,
+ .vdisplay = 480,
+ .vsync_start = 480 + 20,
+ .vsync_end = 480 + 20 + 4,
+ .vtotal = 480 + 20 + 4 + 16,
+ .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+ },
+};
+
static const struct nv3052c_panel_info ltk035c5444t_panel_info = {
.display_modes = ltk035c5444t_modes,
.num_modes = ARRAY_SIZE(ltk035c5444t_modes),
@@ -1090,11 +1289,23 @@ static const struct nv3052c_panel_info ylm_lbv0345001h_v2_panel_info = {
.panel_regs_len = ARRAY_SIZE(ylm_lbv0345001h_v2_panel_regs),
};

+static const struct nv3052c_panel_info ylm_lbv0400001x_v1_panel_info = {
+ .display_modes = ylm_lbv0400001x_v1_mode,
+ .num_modes = ARRAY_SIZE(ylm_lbv0400001x_v1_mode),
+ .width_mm = 81,
+ .height_mm = 61,
+ .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+ .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE,
+ .panel_regs = ylm_lbv0400001x_v1_panel_regs,
+ .panel_regs_len = ARRAY_SIZE(ylm_lbv0400001x_v1_panel_regs),
+};
+
static const struct spi_device_id nv3052c_ids[] = {
{ "ltk035c5444t", },
{ "fs035vg158", },
{ "rg35xx-plus-panel", },
{ "rg35xx-plus-rev6-panel", },
+ { "rg40xx-panel", },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(spi, nv3052c_ids);
@@ -1104,6 +1315,7 @@ static const struct of_device_id nv3052c_of_match[] = {
{ .compatible = "fascontek,fs035vg158", .data = &fs035vg158_panel_info },
{ .compatible = "anbernic,rg35xx-plus-panel", .data = &wl_355608_a8_panel_info },
{ .compatible = "anbernic,rg35xx-plus-rev6-panel", .data = &ylm_lbv0345001h_v2_panel_info },
+ { .compatible = "anbernic,rg40xx-panel", .data = &ylm_lbv0400001x_v1_panel_info },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, nv3052c_of_match);
--
2.47.0