[PATCH 2/2] drm/panel: st7703: Add support for Anbernic RG353V-V2 panel
Chris Morgan
macroalpha82 at gmail.com
Thu Jan 19 23:04:15 UTC 2023
From: Chris Morgan <macromorgan at hotmail.com>
The Anbernic RG353V-V2 is a 5 inch panel used in a new revision of the
Anbernic RG353V handheld gaming device. Add support for it.
Unfortunately it appears this controller is not able to support 120hz
or 100hz mode like the first revision panel.
Signed-off-by: Chris Morgan <macromorgan at hotmail.com>
---
drivers/gpu/drm/panel/panel-sitronix-st7703.c | 102 +++++++++++++++++-
1 file changed, 99 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
index 86a472b01360..2ed0cdfa86de 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
@@ -28,6 +28,7 @@
/* Manufacturer specific Commands send via DSI */
#define ST7703_CMD_ALL_PIXEL_OFF 0x22
#define ST7703_CMD_ALL_PIXEL_ON 0x23
+#define ST7703_CMD_SETAPID 0xB1
#define ST7703_CMD_SETDISP 0xB2
#define ST7703_CMD_SETRGBIF 0xB3
#define ST7703_CMD_SETCYC 0xB4
@@ -41,12 +42,15 @@
#define ST7703_CMD_UNKNOWN_BF 0xBF
#define ST7703_CMD_SETSCR 0xC0
#define ST7703_CMD_SETPOWER 0xC1
+#define ST7703_CMD_SETECO 0xC6
+#define ST7703_CMD_SETIO 0xC7
+#define ST7703_CMD_SETCABC 0xC8
#define ST7703_CMD_SETPANEL 0xCC
-#define ST7703_CMD_UNKNOWN_C6 0xC6
#define ST7703_CMD_SETGAMMA 0xE0
#define ST7703_CMD_SETEQ 0xE3
#define ST7703_CMD_SETGIP1 0xE9
#define ST7703_CMD_SETGIP2 0xEA
+#define ST7703_CMD_UNKNOWN_EF 0xEF
struct st7703 {
struct device *dev;
@@ -266,8 +270,7 @@ static int xbd599_init_sequence(struct st7703 *ctx)
* ESD_DET_TIME_SEL = 0 frames
*/);
- /* Undocumented command. */
- dsi_dcs_write_seq(dsi, ST7703_CMD_UNKNOWN_C6, 0x01, 0x00, 0xFF, 0xFF, 0x00);
+ dsi_dcs_write_seq(dsi, ST7703_CMD_SETECO, 0x01, 0x00, 0xFF, 0xFF, 0x00);
dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER,
0x74, /* VBTHS, VBTLS: VGH = 17V, VBL = -11V */
@@ -355,6 +358,98 @@ static const struct st7703_panel_desc xbd599_desc = {
.init_sequence = xbd599_init_sequence,
};
+static int rg353v2_init_sequence(struct st7703 *ctx)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+
+ /*
+ * Init sequence was supplied by the panel vendor.
+ */
+
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEXTC, 0xf1, 0x12, 0x83);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETAPID, 0x00, 0x00, 0x00,
+ 0xda, 0x80);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETDISP, 0x00, 0x13, 0x70);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETRGBIF, 0x10, 0x10, 0x28,
+ 0x28, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETCYC, 0x80);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETBGP, 0x0a, 0x0a);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVCOM, 0x92, 0x92);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER_EXT, 0x25, 0x22,
+ 0xf0, 0x63);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETMIPI, 0x33, 0x81, 0x05,
+ 0xf9, 0x0e, 0x0e, 0x20, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x44, 0x25, 0x00, 0x90, 0x0a,
+ 0x00, 0x00, 0x01, 0x4f, 0x01, 0x00, 0x00, 0x37);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVDC, 0x47);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_UNKNOWN_BF, 0x02, 0x11, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETSCR, 0x73, 0x73, 0x50, 0x50,
+ 0x00, 0x00, 0x12, 0x50, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER, 0x53, 0xc0, 0x32,
+ 0x32, 0x77, 0xe1, 0xdd, 0xdd, 0x77, 0x77, 0x33,
+ 0x33);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETECO, 0x82, 0x00, 0xbf, 0xff,
+ 0x00, 0xff);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETIO, 0xb8, 0x00, 0x0a, 0x00,
+ 0x00, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETCABC, 0x10, 0x40, 0x1e,
+ 0x02);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPANEL, 0x0b);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGAMMA, 0x00, 0x07, 0x0d,
+ 0x37, 0x35, 0x3f, 0x41, 0x44, 0x06, 0x0c, 0x0d,
+ 0x0f, 0x11, 0x10, 0x12, 0x14, 0x1a, 0x00, 0x07,
+ 0x0d, 0x37, 0x35, 0x3f, 0x41, 0x44, 0x06, 0x0c,
+ 0x0d, 0x0f, 0x11, 0x10, 0x12, 0x14, 0x1a);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEQ, 0x07, 0x07, 0x0b, 0x0b,
+ 0x0b, 0x0b, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
+ 0xc0, 0x10);
+ mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP1, 0xc8, 0x10, 0x02, 0x00,
+ 0x00, 0xb0, 0xb1, 0x11, 0x31, 0x23, 0x28, 0x80,
+ 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,
+ 0x03, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x81, 0x88, 0xba, 0x17, 0x53, 0x88, 0x88, 0x88,
+ 0x88, 0x88, 0x88, 0x80, 0x88, 0xba, 0x06, 0x42,
+ 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x23, 0x00,
+ 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_UNKNOWN_EF, 0xff, 0xff, 0x01);
+
+ return 0;
+}
+
+static const struct drm_display_mode rg353v2_mode = {
+ .hdisplay = 640,
+ .hsync_start = 640 + 40,
+ .hsync_end = 640 + 40 + 2,
+ .htotal = 640 + 40 + 2 + 80,
+ .vdisplay = 480,
+ .vsync_start = 480 + 18,
+ .vsync_end = 480 + 18 + 2,
+ .vtotal = 480 + 18 + 2 + 28,
+ .clock = 24150,
+ .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+ .width_mm = 70,
+ .height_mm = 57,
+};
+
+static const struct st7703_panel_desc rg353v2_desc = {
+ .mode = &rg353v2_mode,
+ .lanes = 4,
+ .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 = rg353v2_init_sequence,
+};
+
static int st7703_enable(struct drm_panel *panel)
{
struct st7703 *ctx = panel_to_st7703(panel);
@@ -615,6 +710,7 @@ 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 = "rocktech,jh057n00900", .data = &jh057n00900_panel_desc },
{ .compatible = "xingbangda,xbd599", .data = &xbd599_desc },
{ /* sentinel */ }
--
2.34.1
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