Add driver to setup P097PFZ behing SSD2858 (4 to 8 lanes bridge).
Signed-off-by: Jitao Shi jitao.shi@mediatek.com --- drivers/gpu/drm/panel/panel-innolux-p079zca.c | 103 +++++++++++++++++- 1 file changed, 102 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c index 8db404fb5eeb..a658ccba30a0 100644 --- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c +++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c @@ -138,7 +138,7 @@ static int innolux_panel_prepare(struct drm_panel *panel) if (!innolux->enable_gpio[i]) break;
- /* p079zca: t2 (20ms), p097pfg: t4 (15ms) */ + /* p079zca: t2 (20ms), p097pfg: t4 (15ms); ssd2858: 20ms */ usleep_range(20000, 21000); gpiod_set_value_cansleep(innolux->enable_gpio[i], 1); } @@ -162,6 +162,18 @@ static int innolux_panel_prepare(struct drm_panel *panel) goto poweroff; }
+ /* + * If the command list contains exit sleep mode or set + * display on, wait the appropriate time (needed for + * displays behind a bridge). + */ + /* T6: 120ms - 1000ms*/ + if (cmd->data[0] == MIPI_DCS_EXIT_SLEEP_MODE) + msleep(120); + /* T7: 5ms */ + if (cmd->data[0] == MIPI_DCS_SET_DISPLAY_ON) + usleep_range(5000, 6000); + /* * Included by random guessing, because without this * (or at least, some delay), the panel sometimes @@ -410,6 +422,92 @@ static const struct panel_desc innolux_p097pfg_panel_desc = { .sleep_mode_delay = 100, /* T15 */ };
+static const char * const innolux_p097pfg_ssd2858_supply_names[] = { + "avdd", + "avee", + "pp1800", + "pp3300", + "pp1200-bridge", + "vddio-bridge", +}; + +static const struct drm_display_mode innolux_p097pfg_ssd2858_mode = { + .clock = 211660, + .hdisplay = 1536, + .hsync_start = 1536 + 140, + .hsync_end = 1536 + 140 + 10, + .htotal = 1536 + 140 + 10 + 10, + .vdisplay = 2048, + .vsync_start = 2048 + 20, + .vsync_end = 2048 + 20 + 2, + .vtotal = 2048 + 20 + 2 + 10, + .vrefresh = 60, +}; + +static const struct panel_init_cmd innolux_p097pfg_ssd2858_init_cmds[] = { + /* SSD2858 config */ + _INIT_CMD(0xff, 0x00), + /* LOCKCNT=0x1f4, MRX=0, POSTDIV=1 (/2), MULT=0x49 + * 27 Mhz => 985.5 Mhz + */ + _INIT_CMD(0x00, 0x08, 0x01, 0xf4, 0x01, 0x49), + /* MTXDIV=1, SYSDIV=3 (=> 4) */ + _INIT_CMD(0x00, 0x0c, 0x00, 0x00, 0x00, 0x03), + /* MTXVPF=24bpp, MRXLS=4 lanes, MRXVB=bypass, MRXECC=1, MRXEOT=1 + * MRXEE=1 + */ + _INIT_CMD(0x00, 0x14, 0x0c, 0x3d, 0x80, 0x0f), + _INIT_CMD(0x00, 0x20, 0x15, 0x92, 0x56, 0x7d), + _INIT_CMD(0x00, 0x24, 0x00, 0x00, 0x30, 0x00), + + _INIT_CMD(0x10, 0x08, 0x01, 0x20, 0x08, 0x45), + _INIT_CMD(0x10, 0x1c, 0x00, 0x00, 0x00, 0x00), + _INIT_CMD(0x20, 0x0c, 0x00, 0x00, 0x00, 0x04), + /* Pixel clock 985.5 Mhz * 0x49/0x4b = 959 Mhz */ + _INIT_CMD(0x20, 0x10, 0x00, 0x4b, 0x00, 0x49), + _INIT_CMD(0x20, 0xa0, 0x00, 0x00, 0x00, 0x00), + /* EOT=1, LPE = 0, LSOUT=4 lanes, LPD=25 */ + _INIT_CMD(0x60, 0x08, 0x00, 0xd9, 0x00, 0x08), + _INIT_CMD(0x60, 0x14, 0x01, 0x00, 0x01, 0x06), + /* DSI0 enable (default: probably not needed) */ + _INIT_CMD(0x60, 0x80, 0x00, 0x00, 0x00, 0x0f), + /* DSI1 enable */ + _INIT_CMD(0x60, 0xa0, 0x00, 0x00, 0x00, 0x0f), + + /* HSA=0x18, VSA=0x02, HBP=0x50, VBP=0x0c */ + _INIT_CMD(0x60, 0x0c, 0x0c, 0x50, 0x02, 0x18), + /* VACT= 0x800 (2048), VFP= 0x14, HFP=0x50 */ + _INIT_CMD(0x60, 0x10, 0x08, 0x00, 0x14, 0x50), + /* HACT=0x300 (768) */ + _INIT_CMD(0x60, 0x84, 0x00, 0x00, 0x03, 0x00), + _INIT_CMD(0x60, 0xa4, 0x00, 0x00, 0x03, 0x00), + + /* Take panel out of sleep. */ + _INIT_CMD(0xff, 0x01), + _INIT_CMD(0x11), + _INIT_CMD(0x29), + _INIT_CMD(0xff, 0x00), + + {}, +}; + +static const struct panel_desc innolux_p097pfg_ssd2858_panel_desc = { + .mode = &innolux_p097pfg_ssd2858_mode, + .bpc = 8, + .size = { + .width = 147, + .height = 196, + }, + .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_LPM, + .format = MIPI_DSI_FMT_RGB888, + .init_cmds = innolux_p097pfg_ssd2858_init_cmds, + .lanes = 4, + .supply_names = innolux_p097pfg_ssd2858_supply_names, + .num_supplies = ARRAY_SIZE(innolux_p097pfg_ssd2858_supply_names), + .sleep_mode_delay = 100, /* T15 */ +}; + static int innolux_panel_get_modes(struct drm_panel *panel) { struct innolux_panel *innolux = to_innolux_panel(panel); @@ -451,6 +549,9 @@ static const struct of_device_id innolux_of_match[] = { { .compatible = "innolux,p097pfg", .data = &innolux_p097pfg_panel_desc }, + { .compatible = "innolux,p097pfg_ssd2858", + .data = &innolux_p097pfg_ssd2858_panel_desc + }, { } }; MODULE_DEVICE_TABLE(of, innolux_of_match);