drm/panel: boe-th101mb31ig002: Support for starry-er88577 MIPI-DSI panel

The init_code of the starry-er88577 panel is very similar to the
panel-boe-th101mb31ig002-28a.c driver, so we make it compatible with
the panel-boe-th101mb31ig002-28a.c driver

Signed-off-by: Zhaoxiong Lv <lvzhaoxiong@huaqin.corp-partner.google.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240709134754.28013-6-lvzhaoxiong@huaqin.corp-partner.google.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240709134754.28013-6-lvzhaoxiong@huaqin.corp-partner.google.com

diff --git a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
index 5993e6c0cc4af7009c6f0e0f35aa5ac0854e3e62..b55cf80c5522c85bd351f10298506b9927f33436 100644 (file)
--- a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
+++ b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
@@ -25,6 +25,12 @@ struct panel_desc {
        enum mipi_dsi_pixel_format format;
        int (*init)(struct boe_th101mb31ig002 *ctx);
        unsigned int lanes;
+       bool lp11_before_reset;
+       unsigned int vcioo_to_lp11_delay_ms;
+       unsigned int lp11_to_reset_delay_ms;
+       unsigned int backlight_off_to_display_off_delay_ms;
+       unsigned int enter_sleep_to_reset_down_delay_ms;
+       unsigned int power_off_delay_ms;
 };
 
 struct boe_th101mb31ig002 {
@@ -108,6 +114,68 @@ static int boe_th101mb31ig002_enable(struct boe_th101mb31ig002 *ctx)
        return dsi_ctx.accum_err;
 }
 
+static int starry_er88577_init_cmd(struct boe_th101mb31ig002 *ctx)
+{
+       struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
+
+       msleep(70);
+
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xe0, 0xab, 0xba);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xe1, 0xba, 0xab);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb1, 0x10, 0x01, 0x47, 0xff);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb2, 0x0c, 0x14, 0x04, 0x50, 0x50, 0x14);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb3, 0x56, 0x53, 0x00);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb4, 0x33, 0x30, 0x04);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb6, 0xb0, 0x00, 0x00, 0x10, 0x00, 0x10,
+                                              0x00);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb8, 0x05, 0x12, 0x29, 0x49, 0x40);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb9, 0x7c, 0x61, 0x4f, 0x42, 0x3e, 0x2d,
+                                              0x31, 0x1a, 0x33, 0x33, 0x33, 0x52, 0x40,
+                                              0x47, 0x38, 0x34, 0x26, 0x0e, 0x06, 0x7c,
+                                              0x61, 0x4f, 0x42, 0x3e, 0x2d, 0x31, 0x1a,
+                                              0x33, 0x33, 0x33, 0x52, 0x40, 0x47, 0x38,
+                                              0x34, 0x26, 0x0e, 0x06);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc0, 0xcc, 0x76, 0x12, 0x34, 0x44, 0x44,
+                                              0x44, 0x44, 0x98, 0x04, 0x98, 0x04, 0x0f,
+                                              0x00, 0x00, 0xc1);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc1, 0x54, 0x94, 0x02, 0x85, 0x9f, 0x00,
+                                              0x6f, 0x00, 0x54, 0x00);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc2, 0x17, 0x09, 0x08, 0x89, 0x08, 0x11,
+                                              0x22, 0x20, 0x44, 0xff, 0x18, 0x00);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc3, 0x87, 0x47, 0x05, 0x05, 0x1c, 0x1c,
+                                              0x1d, 0x1d, 0x02, 0x1e, 0x1e, 0x1f, 0x1f,
+                                              0x0f, 0x0f, 0x0d, 0x0d, 0x13, 0x13, 0x11,
+                                              0x11, 0x24);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc4, 0x06, 0x06, 0x04, 0x04, 0x1c, 0x1c,
+                                              0x1d, 0x1d, 0x02, 0x1e, 0x1e, 0x1f, 0x1f,
+                                              0x0e, 0x0e, 0x0c, 0x0c, 0x12, 0x12, 0x10,
+                                              0x10, 0x24);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc8, 0x21, 0x00, 0x31, 0x42, 0x34, 0x16);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xca, 0xcb, 0x43);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xcd, 0x0e, 0x4b, 0x4b, 0x20, 0x19, 0x6b,
+                                              0x06, 0xb3);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xd1, 0x40, 0x0d, 0xff, 0x0f);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xd2, 0xe3, 0x2b, 0x38, 0x08);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xd3, 0x00, 0x00, 0x00, 0x00,
+                                              0x00, 0x33, 0x20, 0x3a, 0xd5, 0x86, 0xf3);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xd4, 0x00, 0x01, 0x00, 0x0e, 0x04, 0x44,
+                                              0x08, 0x10, 0x00, 0x00, 0x00);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xe6, 0x80, 0x09, 0xff, 0xff, 0xff, 0xff,
+                                              0xff, 0xff);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0x12, 0x03, 0x20, 0x00, 0xff);
+       mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf3, 0x00);
+
+       mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
+
+       mipi_dsi_msleep(&dsi_ctx, 120);
+
+       mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
+
+       mipi_dsi_msleep(&dsi_ctx, 20);
+
+       return dsi_ctx.accum_err;
+}
+
 static int boe_th101mb31ig002_disable(struct drm_panel *panel)
 {
        struct boe_th101mb31ig002 *ctx = container_of(panel,
@@ -115,12 +183,18 @@ static int boe_th101mb31ig002_disable(struct drm_panel *panel)
                                                      panel);
        struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
 
+       if (ctx->desc->backlight_off_to_display_off_delay_ms)
+               mipi_dsi_msleep(&dsi_ctx, ctx->desc->backlight_off_to_display_off_delay_ms);
+
        mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
 
        mipi_dsi_msleep(&dsi_ctx, 120);
 
        mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
 
+       if (ctx->desc->enter_sleep_to_reset_down_delay_ms)
+               mipi_dsi_msleep(&dsi_ctx, ctx->desc->enter_sleep_to_reset_down_delay_ms);
+
        return dsi_ctx.accum_err;
 }
 
@@ -134,6 +208,9 @@ static int boe_th101mb31ig002_unprepare(struct drm_panel *panel)
        gpiod_set_value_cansleep(ctx->enable, 0);
        regulator_disable(ctx->power);
 
+       if (ctx->desc->power_off_delay_ms)
+               msleep(ctx->desc->power_off_delay_ms);
+
        return 0;
 }
 
@@ -151,6 +228,18 @@ static int boe_th101mb31ig002_prepare(struct drm_panel *panel)
                return ret;
        }
 
+       if (ctx->desc->vcioo_to_lp11_delay_ms)
+               msleep(ctx->desc->vcioo_to_lp11_delay_ms);
+
+       if (ctx->desc->lp11_before_reset) {
+               ret = mipi_dsi_dcs_nop(ctx->dsi);
+               if (ret)
+                       return ret;
+       }
+
+       if (ctx->desc->lp11_to_reset_delay_ms)
+               msleep(ctx->desc->lp11_to_reset_delay_ms);
+
        gpiod_set_value_cansleep(ctx->enable, 1);
        msleep(50);
        boe_th101mb31ig002_reset(ctx);
@@ -187,6 +276,36 @@ static const struct panel_desc boe_th101mb31ig002_desc = {
        .init = boe_th101mb31ig002_enable,
 };
 
+static const struct drm_display_mode starry_er88577_default_mode = {
+       .clock  = (800 + 25 + 25 + 25) * (1280 + 20 + 4 + 12) * 60 / 1000,
+       .hdisplay = 800,
+       .hsync_start = 800 + 25,
+       .hsync_end = 800 + 25 + 25,
+       .htotal = 800 + 25 + 25 + 25,
+       .vdisplay = 1280,
+       .vsync_start = 1280 + 20,
+       .vsync_end = 1280 + 20 + 4,
+       .vtotal = 1280 + 20 + 4 + 12,
+       .width_mm = 135,
+       .height_mm = 216,
+       .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
+};
+
+static const struct panel_desc starry_er88577_desc = {
+       .modes = &starry_er88577_default_mode,
+       .lanes = 4,
+       .format = MIPI_DSI_FMT_RGB888,
+       .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
+                     MIPI_DSI_MODE_LPM,
+       .init = starry_er88577_init_cmd,
+       .lp11_before_reset = true,
+       .vcioo_to_lp11_delay_ms = 5,
+       .lp11_to_reset_delay_ms = 50,
+       .backlight_off_to_display_off_delay_ms = 100,
+       .enter_sleep_to_reset_down_delay_ms = 100,
+       .power_off_delay_ms = 1000,
+};
+
 static int boe_th101mb31ig002_get_modes(struct drm_panel *panel,
                                        struct drm_connector *connector)
 {
@@ -313,6 +432,10 @@ static const struct of_device_id boe_th101mb31ig002_of_match[] = {
                .compatible = "boe,th101mb31ig002-28a",
                .data = &boe_th101mb31ig002_desc
        },
+       {
+               .compatible = "starry,er88577",
+               .data = &starry_er88577_desc
+       },
        { /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, boe_th101mb31ig002_of_match);