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drm/panel: st7703: Add GameForce Chi Panel Support

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The GameForce Chi is a handheld device with a 3.5" 640x480 ST7703 based
display panel.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Link: https://lore.kernel.org/r/20240325134959.11807-4-macroalpha82@gmail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240325134959.11807-4-macroalpha82@gmail.com
This commit is contained in:
Chris Morgan 2024-03-25 08:49:57 -05:00 committed by Neil Armstrong
parent 387974a21a
commit 4c4f33be7e
1 changed files with 87 additions and 0 deletions
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87
drivers/gpu/drm/panel/panel-sitronix-st7703.c
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@ -612,6 +612,92 @@ static const struct st7703_panel_desc rgb10max3_panel_desc = {
.init_sequence = rgb10max3_panel_init_sequence,
};
static int gameforcechi_init_sequence(struct st7703 *ctx)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
/*
* Init sequence was supplied by the panel vendor. Panel will not
* respond to commands until it is brought out of sleep mode first.
*/
mipi_dsi_dcs_exit_sleep_mode(dsi);
msleep(250);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEXTC, 0xf1, 0x12, 0x83);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETMIPI, 0x31, 0x81, 0x05, 0xf9,
0x0e, 0x0e, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x44, 0x25, 0x00, 0x91, 0x0a, 0x00,
0x00, 0x02, 0x4f, 0xd1, 0x00, 0x00, 0x37);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER_EXT, 0x25);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_UNKNOWN_BF, 0x02, 0x11, 0x00);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETRGBIF, 0x0c, 0x10, 0x0a,
0x50, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETSCR, 0x73, 0x73, 0x50, 0x50,
0x00, 0x00, 0x08, 0x70, 0x00);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVDC, 0x46);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPANEL, 0x0b);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETCYC, 0x80);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETDISP, 0x00, 0x13, 0xf0);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEQ, 0x07, 0x07, 0x0b, 0x0b,
0x03, 0x0b, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
0xc0, 0x10);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER, 0x53, 0x00, 0x1e,
0x1e, 0x77, 0xe1, 0xcc, 0xdd, 0x67, 0x77, 0x33,
0x33);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETBGP, 0x10, 0x10);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVCOM, 0x6c, 0x7c);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP1, 0x08, 0x00, 0x0e, 0x00,
0x00, 0xb0, 0xb1, 0x11, 0x31, 0x23, 0x28, 0x10,
0xb0, 0xb1, 0x27, 0x08, 0x00, 0x04, 0x02, 0x00,
0x00, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x00,
0x88, 0x88, 0xba, 0x60, 0x24, 0x08, 0x88, 0x88,
0x88, 0x88, 0x88, 0x88, 0x88, 0xba, 0x71, 0x35,
0x18, 0x88, 0x88, 0x88, 0x88, 0x88, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP2, 0x97, 0x0a, 0x82, 0x02,
0x13, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x80, 0x88, 0xba, 0x17, 0x53, 0x88, 0x88, 0x88,
0x88, 0x88, 0x88, 0x81, 0x88, 0xba, 0x06, 0x42,
0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x23, 0x10,
0x00, 0x02, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00);
mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGAMMA, 0x00, 0x07, 0x0b,
0x27, 0x2d, 0x3f, 0x3b, 0x37, 0x05, 0x0a, 0x0b,
0x0f, 0x11, 0x0f, 0x12, 0x12, 0x18, 0x00, 0x07,
0x0b, 0x27, 0x2d, 0x3f, 0x3b, 0x37, 0x05, 0xa0,
0x0b, 0x0f, 0x11, 0x0f, 0x12, 0x12, 0x18);
return 0;
}
static const struct drm_display_mode gameforcechi_mode = {
.hdisplay = 640,
.hsync_start = 640 + 40,
.hsync_end = 640 + 40 + 2,
.htotal = 640 + 40 + 2 + 80,
.vdisplay = 480,
.vsync_start = 480 + 17,
.vsync_end = 480 + 17 + 5,
.vtotal = 480 + 17 + 5 + 13,
.clock = 23546,
.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
.width_mm = 71,
.height_mm = 53,
};
static const struct st7703_panel_desc gameforcechi_desc = {
.mode = &gameforcechi_mode,
.lanes = 2,
.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
MIPI_DSI_MODE_NO_EOT_PACKET | MIPI_DSI_MODE_LPM,
.format = MIPI_DSI_FMT_RGB888,
.init_sequence = gameforcechi_init_sequence,
};
static int st7703_enable(struct drm_panel *panel)
{
struct st7703 *ctx = panel_to_st7703(panel);
@ -887,6 +973,7 @@ static void st7703_remove(struct mipi_dsi_device *dsi)
static const struct of_device_id st7703_of_match[] = {
{ .compatible = "anbernic,rg353v-panel-v2", .data = &rg353v2_desc },
{ .compatible = "gameforce,chi-panel", .data = &gameforcechi_desc },
{ .compatible = "powkiddy,rgb10max3-panel", .data = &rgb10max3_panel_desc },
{ .compatible = "powkiddy,rgb30-panel", .data = &rgb30panel_desc },
{ .compatible = "rocktech,jh057n00900", .data = &jh057n00900_panel_desc },