From 01a69402cf9d38ff180345d55c2ee51c7e89fbc7 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 20:50:03 +0200 Subject: Adding upstream version 6.8.9. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/panel/panel-himax-hx8394.c | 180 ++++++++++++++++++++++++----- 1 file changed, 152 insertions(+), 28 deletions(-) (limited to 'drivers/gpu/drm/panel/panel-himax-hx8394.c') diff --git a/drivers/gpu/drm/panel/panel-himax-hx8394.c b/drivers/gpu/drm/panel/panel-himax-hx8394.c index c73243d85d..ff0dc08b98 100644 --- a/drivers/gpu/drm/panel/panel-himax-hx8394.c +++ b/drivers/gpu/drm/panel/panel-himax-hx8394.c @@ -38,6 +38,7 @@ #define HX8394_CMD_SETMIPI 0xba #define HX8394_CMD_SETOTP 0xbb #define HX8394_CMD_SETREGBANK 0xbd +#define HX8394_CMD_UNKNOWN5 0xbf #define HX8394_CMD_UNKNOWN1 0xc0 #define HX8394_CMD_SETDGCLUT 0xc1 #define HX8394_CMD_SETID 0xc3 @@ -52,6 +53,7 @@ #define HX8394_CMD_SETGIP1 0xd5 #define HX8394_CMD_SETGIP2 0xd6 #define HX8394_CMD_SETGPO 0xd6 +#define HX8394_CMD_UNKNOWN4 0xd8 #define HX8394_CMD_SETSCALING 0xdd #define HX8394_CMD_SETIDLE 0xdf #define HX8394_CMD_SETGAMMA 0xe0 @@ -68,7 +70,7 @@ struct hx8394 { struct gpio_desc *reset_gpio; struct regulator *vcc; struct regulator *iovcc; - bool prepared; + enum drm_panel_orientation orientation; const struct hx8394_panel_desc *desc; }; @@ -203,6 +205,140 @@ static const struct hx8394_panel_desc hsd060bhw4_desc = { .init_sequence = hsd060bhw4_init_sequence, }; +static int powkiddy_x55_init_sequence(struct hx8394 *ctx) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + + /* 5.19.8 SETEXTC: Set extension command (B9h) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETEXTC, + 0xff, 0x83, 0x94); + + /* 5.19.9 SETMIPI: Set MIPI control (BAh) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETMIPI, + 0x63, 0x03, 0x68, 0x6b, 0xb2, 0xc0); + + /* 5.19.2 SETPOWER: Set power (B1h) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETPOWER, + 0x48, 0x12, 0x72, 0x09, 0x32, 0x54, 0x71, 0x71, 0x57, 0x47); + + /* 5.19.3 SETDISP: Set display related register (B2h) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETDISP, + 0x00, 0x80, 0x64, 0x2c, 0x16, 0x2f); + + /* 5.19.4 SETCYC: Set display waveform cycles (B4h) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETCYC, + 0x73, 0x74, 0x73, 0x74, 0x73, 0x74, 0x01, 0x0c, 0x86, 0x75, + 0x00, 0x3f, 0x73, 0x74, 0x73, 0x74, 0x73, 0x74, 0x01, 0x0c, + 0x86); + + /* 5.19.5 SETVCOM: Set VCOM voltage (B6h) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETVCOM, + 0x6e, 0x6e); + + /* 5.19.19 SETGIP0: Set GIP Option0 (D3h) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGIP0, + 0x00, 0x00, 0x07, 0x07, 0x40, 0x07, 0x0c, 0x00, 0x08, 0x10, + 0x08, 0x00, 0x08, 0x54, 0x15, 0x0a, 0x05, 0x0a, 0x02, 0x15, + 0x06, 0x05, 0x06, 0x47, 0x44, 0x0a, 0x0a, 0x4b, 0x10, 0x07, + 0x07, 0x0c, 0x40); + + /* 5.19.20 Set GIP Option1 (D5h) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGIP1, + 0x1c, 0x1c, 0x1d, 0x1d, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, + 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x24, 0x25, 0x18, 0x18, + 0x26, 0x27, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x20, 0x21, + 0x18, 0x18, 0x18, 0x18); + + /* 5.19.21 Set GIP Option2 (D6h) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGIP2, + 0x1c, 0x1c, 0x1d, 0x1d, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, + 0x01, 0x00, 0x0b, 0x0a, 0x09, 0x08, 0x21, 0x20, 0x18, 0x18, + 0x27, 0x26, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x25, 0x24, + 0x18, 0x18, 0x18, 0x18); + + /* 5.19.25 SETGAMMA: Set gamma curve related setting (E0h) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETGAMMA, + 0x00, 0x0a, 0x15, 0x1b, 0x1e, 0x21, 0x24, 0x22, 0x47, 0x56, + 0x65, 0x66, 0x6e, 0x82, 0x88, 0x8b, 0x9a, 0x9d, 0x98, 0xa8, + 0xb9, 0x5d, 0x5c, 0x61, 0x66, 0x6a, 0x6f, 0x7f, 0x7f, 0x00, + 0x0a, 0x15, 0x1b, 0x1e, 0x21, 0x24, 0x22, 0x47, 0x56, 0x65, + 0x65, 0x6e, 0x81, 0x87, 0x8b, 0x98, 0x9d, 0x99, 0xa8, 0xba, + 0x5d, 0x5d, 0x62, 0x67, 0x6b, 0x72, 0x7f, 0x7f); + + /* Unknown command, not listed in the HX8394-F datasheet */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN1, + 0x1f, 0x31); + + /* 5.19.17 SETPANEL (CCh) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETPANEL, + 0x0b); + + /* Unknown command, not listed in the HX8394-F datasheet */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN3, + 0x02); + + /* 5.19.11 Set register bank (BDh) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, + 0x02); + + /* Unknown command, not listed in the HX8394-F datasheet */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN4, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff); + + /* 5.19.11 Set register bank (BDh) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, + 0x00); + + /* 5.19.11 Set register bank (BDh) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, + 0x01); + + /* 5.19.2 SETPOWER: Set power (B1h) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETPOWER, + 0x00); + + /* 5.19.11 Set register bank (BDh) */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_SETREGBANK, + 0x00); + + /* Unknown command, not listed in the HX8394-F datasheet */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN5, + 0x40, 0x81, 0x50, 0x00, 0x1a, 0xfc, 0x01); + + /* Unknown command, not listed in the HX8394-F datasheet */ + mipi_dsi_dcs_write_seq(dsi, HX8394_CMD_UNKNOWN2, + 0xed); + + return 0; +} + +static const struct drm_display_mode powkiddy_x55_mode = { + .hdisplay = 720, + .hsync_start = 720 + 44, + .hsync_end = 720 + 44 + 20, + .htotal = 720 + 44 + 20 + 20, + .vdisplay = 1280, + .vsync_start = 1280 + 12, + .vsync_end = 1280 + 12 + 10, + .vtotal = 1280 + 12 + 10 + 10, + .clock = 63290, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, + .width_mm = 67, + .height_mm = 121, +}; + +static const struct hx8394_panel_desc powkiddy_x55_desc = { + .mode = &powkiddy_x55_mode, + .lanes = 4, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET, + .format = MIPI_DSI_FMT_RGB888, + .init_sequence = powkiddy_x55_init_sequence, +}; + static int hx8394_enable(struct drm_panel *panel) { struct hx8394 *ctx = panel_to_hx8394(panel); @@ -262,16 +398,11 @@ static int hx8394_unprepare(struct drm_panel *panel) { struct hx8394 *ctx = panel_to_hx8394(panel); - if (!ctx->prepared) - return 0; - gpiod_set_value_cansleep(ctx->reset_gpio, 1); regulator_disable(ctx->iovcc); regulator_disable(ctx->vcc); - ctx->prepared = false; - return 0; } @@ -280,9 +411,6 @@ static int hx8394_prepare(struct drm_panel *panel) struct hx8394 *ctx = panel_to_hx8394(panel); int ret; - if (ctx->prepared) - return 0; - gpiod_set_value_cansleep(ctx->reset_gpio, 1); ret = regulator_enable(ctx->vcc); @@ -301,8 +429,6 @@ static int hx8394_prepare(struct drm_panel *panel) msleep(180); - ctx->prepared = true; - return 0; disable_vcc: @@ -335,12 +461,20 @@ static int hx8394_get_modes(struct drm_panel *panel, return 1; } +static enum drm_panel_orientation hx8394_get_orientation(struct drm_panel *panel) +{ + struct hx8394 *ctx = panel_to_hx8394(panel); + + return ctx->orientation; +} + static const struct drm_panel_funcs hx8394_drm_funcs = { .disable = hx8394_disable, .unprepare = hx8394_unprepare, .prepare = hx8394_prepare, .enable = hx8394_enable, .get_modes = hx8394_get_modes, + .get_orientation = hx8394_get_orientation, }; static int hx8394_probe(struct mipi_dsi_device *dsi) @@ -358,6 +492,12 @@ static int hx8394_probe(struct mipi_dsi_device *dsi) return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), "Failed to get reset gpio\n"); + ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation); + if (ret < 0) { + dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, ret); + return ret; + } + mipi_dsi_set_drvdata(dsi, ctx); ctx->dev = dev; @@ -401,27 +541,11 @@ static int hx8394_probe(struct mipi_dsi_device *dsi) return 0; } -static void hx8394_shutdown(struct mipi_dsi_device *dsi) -{ - struct hx8394 *ctx = mipi_dsi_get_drvdata(dsi); - int ret; - - ret = drm_panel_disable(&ctx->panel); - if (ret < 0) - dev_err(&dsi->dev, "Failed to disable panel: %d\n", ret); - - ret = drm_panel_unprepare(&ctx->panel); - if (ret < 0) - dev_err(&dsi->dev, "Failed to unprepare panel: %d\n", ret); -} - static void hx8394_remove(struct mipi_dsi_device *dsi) { struct hx8394 *ctx = mipi_dsi_get_drvdata(dsi); int ret; - hx8394_shutdown(dsi); - ret = mipi_dsi_detach(dsi); if (ret < 0) dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret); @@ -431,6 +555,7 @@ static void hx8394_remove(struct mipi_dsi_device *dsi) static const struct of_device_id hx8394_of_match[] = { { .compatible = "hannstar,hsd060bhw4", .data = &hsd060bhw4_desc }, + { .compatible = "powkiddy,x55-panel", .data = &powkiddy_x55_desc }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, hx8394_of_match); @@ -438,7 +563,6 @@ MODULE_DEVICE_TABLE(of, hx8394_of_match); static struct mipi_dsi_driver hx8394_driver = { .probe = hx8394_probe, .remove = hx8394_remove, - .shutdown = hx8394_shutdown, .driver = { .name = DRV_NAME, .of_match_table = hx8394_of_match, -- cgit v1.2.3