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Diffstat (limited to 'SOURCES/0001-drm-panel-st7703-Add-support-for-Xingbangda-XBD599.patch')
-rw-r--r--SOURCES/0001-drm-panel-st7703-Add-support-for-Xingbangda-XBD599.patch251
1 files changed, 251 insertions, 0 deletions
diff --git a/SOURCES/0001-drm-panel-st7703-Add-support-for-Xingbangda-XBD599.patch b/SOURCES/0001-drm-panel-st7703-Add-support-for-Xingbangda-XBD599.patch
new file mode 100644
index 0000000..1cc38fc
--- /dev/null
+++ b/SOURCES/0001-drm-panel-st7703-Add-support-for-Xingbangda-XBD599.patch
@@ -0,0 +1,251 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Ondrej Jirman <megous@megous.com>
+Date: Fri, 26 Jun 2020 02:55:57 +0200
+Subject: [PATCH] drm/panel: st7703: Add support for Xingbangda XBD599
+
+Xingbangda XBD599 is a 5.99" 720x1440 MIPI-DSI LCD panel used in
+PinePhone. Add support for it.
+
+Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
+Signed-off-by: Ondrej Jirman <megous@megous.com>
+---
+ drivers/gpu/drm/panel/panel-sitronix-st7703.c | 199 +++++++++++++++++-
+ 1 file changed, 197 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
+index cdbf7dfb4dd4..33611419059a 100644
+--- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c
++++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
+@@ -39,10 +39,11 @@
+ #define ST7703_CMD_SETEXTC 0xB9
+ #define ST7703_CMD_SETMIPI 0xBA
+ #define ST7703_CMD_SETVDC 0xBC
+-#define ST7703_CMD_UNKNOWN0 0xBF
++#define ST7703_CMD_UNKNOWN_BF 0xBF
+ #define ST7703_CMD_SETSCR 0xC0
+ #define ST7703_CMD_SETPOWER 0xC1
+ #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
+@@ -109,7 +110,7 @@ static int jh057n_init_sequence(struct st7703 *ctx)
+ msleep(20);
+
+ dsi_generic_write_seq(dsi, ST7703_CMD_SETVCOM, 0x3F, 0x3F);
+- dsi_generic_write_seq(dsi, ST7703_CMD_UNKNOWN0, 0x02, 0x11, 0x00);
++ dsi_generic_write_seq(dsi, ST7703_CMD_UNKNOWN_BF, 0x02, 0x11, 0x00);
+ dsi_generic_write_seq(dsi, ST7703_CMD_SETGIP1,
+ 0x82, 0x10, 0x06, 0x05, 0x9E, 0x0A, 0xA5, 0x12,
+ 0x31, 0x23, 0x37, 0x83, 0x04, 0xBC, 0x27, 0x38,
+@@ -163,6 +164,199 @@ struct st7703_panel_desc jh057n00900_panel_desc = {
+ .init_sequence = jh057n_init_sequence,
+ };
+
++#define dsi_dcs_write_seq(dsi, cmd, seq...) do { \
++ static const u8 d[] = { seq }; \
++ int ret; \
++ ret = mipi_dsi_dcs_write(dsi, cmd, d, ARRAY_SIZE(d)); \
++ if (ret < 0) \
++ return ret; \
++ } while (0)
++
++
++static int xbd599_init_sequence(struct st7703 *ctx)
++{
++ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
++
++ /*
++ * Init sequence was supplied by the panel vendor.
++ */
++
++ /* Magic sequence to unlock user commands below. */
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETEXTC, 0xF1, 0x12, 0x83);
++
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETMIPI,
++ 0x33, /* VC_main = 0, Lane_Number = 3 (4 lanes) */
++ 0x81, /* DSI_LDO_SEL = 1.7V, RTERM = 90 Ohm */
++ 0x05, /* IHSRX = x6 (Low High Speed driving ability) */
++ 0xF9, /* TX_CLK_SEL = fDSICLK/16 */
++ 0x0E, /* HFP_OSC (min. HFP number in DSI mode) */
++ 0x0E, /* HBP_OSC (min. HBP number in DSI mode) */
++ /* The rest is undocumented in ST7703 datasheet */
++ 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
++ 0x44, 0x25, 0x00, 0x91, 0x0a, 0x00, 0x00, 0x02,
++ 0x4F, 0x11, 0x00, 0x00, 0x37);
++
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER_EXT,
++ 0x25, /* PCCS = 2, ECP_DC_DIV = 1/4 HSYNC */
++ 0x22, /* DT = 15ms XDK_ECP = x2 */
++ 0x20, /* PFM_DC_DIV = /1 */
++ 0x03 /* ECP_SYNC_EN = 1, VGX_SYNC_EN = 1 */);
++
++ /* RGB I/F porch timing */
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETRGBIF,
++ 0x10, /* VBP_RGB_GEN */
++ 0x10, /* VFP_RGB_GEN */
++ 0x05, /* DE_BP_RGB_GEN */
++ 0x05, /* DE_FP_RGB_GEN */
++ /* The rest is undocumented in ST7703 datasheet */
++ 0x03, 0xFF,
++ 0x00, 0x00,
++ 0x00, 0x00);
++
++ /* Source driving settings. */
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETSCR,
++ 0x73, /* N_POPON */
++ 0x73, /* N_NOPON */
++ 0x50, /* I_POPON */
++ 0x50, /* I_NOPON */
++ 0x00, /* SCR[31,24] */
++ 0xC0, /* SCR[23,16] */
++ 0x08, /* SCR[15,8] */
++ 0x70, /* SCR[7,0] */
++ 0x00 /* Undocumented */);
++
++ /* NVDDD_SEL = -1.8V, VDDD_SEL = out of range (possibly 1.9V?) */
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETVDC, 0x4E);
++
++ /*
++ * SS_PANEL = 1 (reverse scan), GS_PANEL = 0 (normal scan)
++ * REV_PANEL = 1 (normally black panel), BGR_PANEL = 1 (BGR)
++ */
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETPANEL, 0x0B);
++
++ /* Zig-Zag Type C column inversion. */
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETCYC, 0x80);
++
++ /* Set display resolution. */
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETDISP,
++ 0xF0, /* NL = 240 */
++ 0x12, /* RES_V_LSB = 0, BLK_CON = VSSD,
++ * RESO_SEL = 720RGB
++ */
++ 0xF0 /* WHITE_GND_EN = 1 (GND),
++ * WHITE_FRAME_SEL = 7 frames,
++ * ISC = 0 frames
++ */);
++
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETEQ,
++ 0x00, /* PNOEQ */
++ 0x00, /* NNOEQ */
++ 0x0B, /* PEQGND */
++ 0x0B, /* NEQGND */
++ 0x10, /* PEQVCI */
++ 0x10, /* NEQVCI */
++ 0x00, /* PEQVCI1 */
++ 0x00, /* NEQVCI1 */
++ 0x00, /* reserved */
++ 0x00, /* reserved */
++ 0xFF, /* reserved */
++ 0x00, /* reserved */
++ 0xC0, /* ESD_DET_DATA_WHITE = 1, ESD_WHITE_EN = 1 */
++ 0x10 /* SLPIN_OPTION = 1 (no need vsync after sleep-in)
++ * VEDIO_NO_CHECK_EN = 0
++ * ESD_WHITE_GND_EN = 0
++ * 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_SETPOWER,
++ 0x74, /* VBTHS, VBTLS: VGH = 17V, VBL = -11V */
++ 0x00, /* FBOFF_VGH = 0, FBOFF_VGL = 0 */
++ 0x32, /* VRP */
++ 0x32, /* VRN */
++ 0x77, /* reserved */
++ 0xF1, /* APS = 1 (small),
++ * VGL_DET_EN = 1, VGH_DET_EN = 1,
++ * VGL_TURBO = 1, VGH_TURBO = 1
++ */
++ 0xFF, /* VGH1_L_DIV, VGL1_L_DIV (1.5MHz) */
++ 0xFF, /* VGH1_R_DIV, VGL1_R_DIV (1.5MHz) */
++ 0xCC, /* VGH2_L_DIV, VGL2_L_DIV (2.6MHz) */
++ 0xCC, /* VGH2_R_DIV, VGL2_R_DIV (2.6MHz) */
++ 0x77, /* VGH3_L_DIV, VGL3_L_DIV (4.5MHz) */
++ 0x77 /* VGH3_R_DIV, VGL3_R_DIV (4.5MHz) */);
++
++ /* Reference voltage. */
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETBGP,
++ 0x07, /* VREF_SEL = 4.2V */
++ 0x07 /* NVREF_SEL = 4.2V */);
++
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETVCOM,
++ 0x2C, /* VCOMDC_F = -0.67V */
++ 0x2C /* VCOMDC_B = -0.67V */);
++
++ /* Undocumented command. */
++ dsi_dcs_write_seq(dsi, ST7703_CMD_UNKNOWN_BF, 0x02, 0x11, 0x00);
++
++ /* This command is to set forward GIP timing. */
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP1,
++ 0x82, 0x10, 0x06, 0x05, 0xA2, 0x0A, 0xA5, 0x12,
++ 0x31, 0x23, 0x37, 0x83, 0x04, 0xBC, 0x27, 0x38,
++ 0x0C, 0x00, 0x03, 0x00, 0x00, 0x00, 0x0C, 0x00,
++ 0x03, 0x00, 0x00, 0x00, 0x75, 0x75, 0x31, 0x88,
++ 0x88, 0x88, 0x88, 0x88, 0x88, 0x13, 0x88, 0x64,
++ 0x64, 0x20, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88,
++ 0x02, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
++ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
++
++ /* This command is to set backward GIP timing. */
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP2,
++ 0x02, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
++ 0x00, 0x00, 0x00, 0x00, 0x02, 0x46, 0x02, 0x88,
++ 0x88, 0x88, 0x88, 0x88, 0x88, 0x64, 0x88, 0x13,
++ 0x57, 0x13, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88,
++ 0x75, 0x88, 0x23, 0x14, 0x00, 0x00, 0x02, 0x00,
++ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
++ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x0A,
++ 0xA5, 0x00, 0x00, 0x00, 0x00);
++
++ /* Adjust the gamma characteristics of the panel. */
++ dsi_dcs_write_seq(dsi, ST7703_CMD_SETGAMMA,
++ 0x00, 0x09, 0x0D, 0x23, 0x27, 0x3C, 0x41, 0x35,
++ 0x07, 0x0D, 0x0E, 0x12, 0x13, 0x10, 0x12, 0x12,
++ 0x18, 0x00, 0x09, 0x0D, 0x23, 0x27, 0x3C, 0x41,
++ 0x35, 0x07, 0x0D, 0x0E, 0x12, 0x13, 0x10, 0x12,
++ 0x12, 0x18);
++
++ return 0;
++}
++
++static const struct drm_display_mode xbd599_mode = {
++ .hdisplay = 720,
++ .hsync_start = 720 + 40,
++ .hsync_end = 720 + 40 + 40,
++ .htotal = 720 + 40 + 40 + 40,
++ .vdisplay = 1440,
++ .vsync_start = 1440 + 18,
++ .vsync_end = 1440 + 18 + 10,
++ .vtotal = 1440 + 18 + 10 + 17,
++ .vrefresh = 60,
++ .clock = 69000,
++ .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
++ .width_mm = 68,
++ .height_mm = 136,
++};
++
++static const struct st7703_panel_desc xbd599_desc = {
++ .mode = &xbd599_mode,
++ .lanes = 4,
++ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
++ .format = MIPI_DSI_FMT_RGB888,
++ .init_sequence = xbd599_init_sequence,
++};
++
+ static int st7703_enable(struct drm_panel *panel)
+ {
+ struct st7703 *ctx = panel_to_st7703(panel);
+@@ -428,6 +622,7 @@ static int st7703_remove(struct mipi_dsi_device *dsi)
+
+ static const struct of_device_id st7703_of_match[] = {
+ { .compatible = "rocktech,jh057n00900", .data = &jh057n00900_panel_desc },
++ { .compatible = "xingbangda,xbd599", .data = &xbd599_desc },
+ { /* sentinel */ }
+ };
+ MODULE_DEVICE_TABLE(of, st7703_of_match);
+--
+2.26.2
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 02:08:30 +0000