--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2019 Radxa Limited
+ * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
+ * Copyright (c) 2023 Sipeed
+ *
+ * Author:
+ * - Jagan Teki <jagan@amarulasolutions.com>
+ * - Stephen Chen <stephen@radxa.com>
+ */
+
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
+
+#include <drm/drm_device.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+
+#include <video/mipi_display.h>
+
+struct mingjun_panel_cmd {
+ char cmdlen;
+ char cmddata[0x40];
+};
+
+struct mingjun_panel_desc {
+ const struct drm_display_mode *display_mode;
+
+ unsigned long mode_flags;
+ enum mipi_dsi_pixel_format format;
+ unsigned int lanes;
+ const struct mingjun_panel_cmd *on_cmds;
+ unsigned int on_cmds_num;
+};
+
+struct panel_minjun_info {
+ struct drm_panel base;
+ struct mipi_dsi_device *link;
+ const struct mingjun_panel_desc *desc;
+
+ struct gpio_desc *reset;
+ struct regulator *hsvcc;
+ struct regulator *vspn3v3;
+
+ bool prepared;
+ bool enabled;
+};
+
+static inline struct panel_minjun_info *to_panel_minjun_info(struct drm_panel *panel)
+{
+ return container_of(panel, struct panel_minjun_info, base);
+}
+
+static int mingjun_send_mipi_cmds(struct drm_panel *panel, const struct mingjun_panel_cmd *cmds)
+{
+ struct panel_minjun_info *pinfo = to_panel_minjun_info(panel);
+ unsigned int i = 0;
+ int err;
+
+ for (i = 0; i < pinfo->desc->on_cmds_num; i++) {
+ err = mipi_dsi_dcs_write_buffer(pinfo->link, &(cmds[i].cmddata[0]), cmds[i].cmdlen);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+static int mingjun_disable(struct drm_panel *panel)
+{
+ struct panel_minjun_info *pinfo = to_panel_minjun_info(panel);
+ int err;
+
+ if (!pinfo->enabled)
+ return 0;
+
+ err = mipi_dsi_dcs_set_display_off(pinfo->link);
+ if (err < 0) {
+ dev_err(panel->dev, "failed to set display off: %d\n", err);
+ return err;
+ }
+
+ pinfo->enabled = false;
+
+ return 0;
+}
+
+static int mingjun_unprepare(struct drm_panel *panel)
+{
+ struct panel_minjun_info *pinfo = to_panel_minjun_info(panel);
+ int err;
+
+ if (!pinfo->prepared)
+ return 0;
+
+ err = mipi_dsi_dcs_set_display_off(pinfo->link);
+ if (err < 0)
+ dev_err(panel->dev, "failed to set display off: %d\n", err);
+
+ err = mipi_dsi_dcs_enter_sleep_mode(pinfo->link);
+ if (err < 0)
+ dev_err(panel->dev, "failed to enter sleep mode: %d\n", err);
+
+ /* sleep_mode_delay: 1ms - 2ms */
+ usleep_range(1000, 2000);
+
+ gpiod_set_value(pinfo->reset, 1);
+ regulator_disable(pinfo->hsvcc);
+ regulator_disable(pinfo->vspn3v3);
+
+ pinfo->prepared = false;
+
+ return 0;
+}
+
+static int mingjun_prepare(struct drm_panel *panel)
+{
+ struct panel_minjun_info *pinfo = to_panel_minjun_info(panel);
+ int ret;
+
+ if (pinfo->prepared)
+ return 0;
+ gpiod_set_value(pinfo->reset, 0);
+
+ /* Power the panel */
+ ret = regulator_enable(pinfo->hsvcc);
+ if (ret) {
+ dev_err(pinfo->base.dev, "Failed to enable hsvcc supply: %d\n", ret);
+ return ret;
+ }
+
+ usleep_range(1000, 2000);
+ ret = regulator_enable(pinfo->vspn3v3);
+ if (ret) {
+ dev_err(pinfo->base.dev, "Failed to enable vspn3v3 supply: %d\n", ret);
+ goto fail;
+ }
+ usleep_range(5000, 6000);
+
+ gpiod_set_value(pinfo->reset, 1);
+ msleep(180);
+
+ pinfo->prepared = true;
+
+ return 0;
+
+fail:
+ gpiod_set_value(pinfo->reset, 1);
+ regulator_disable(pinfo->hsvcc);
+ return ret;
+}
+
+static int mingjun_enable(struct drm_panel *panel)
+{
+ struct panel_minjun_info *pinfo = to_panel_minjun_info(panel);
+ int ret;
+
+ if (pinfo->enabled)
+ return 0;
+
+ ret = mingjun_send_mipi_cmds(panel, pinfo->desc->on_cmds);
+ if (ret < 0) {
+ dev_err(panel->dev, "failed to send DCS Init Code: %d\n", ret);
+ return ret;
+ }
+
+ msleep(110);
+
+ ret = mipi_dsi_dcs_exit_sleep_mode(pinfo->link);
+ if (ret < 0) {
+ dev_err(panel->dev, "failed to exit sleep mode: %d\n", ret);
+ return ret;
+ }
+
+ msleep(120);
+
+ ret = mipi_dsi_dcs_set_display_on(pinfo->link);
+ if (ret < 0) {
+ dev_err(panel->dev, "failed to set display on: %d\n", ret);
+ return ret;
+ }
+
+ pinfo->enabled = true;
+
+ return 0;
+}
+
+static int mingjun_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
+{
+ struct panel_minjun_info *pinfo = to_panel_minjun_info(panel);
+ const struct drm_display_mode *m = pinfo->desc->display_mode;
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_duplicate(connector->dev, m);
+ if (!mode) {
+ dev_err(pinfo->base.dev, "failed to add mode %ux%u@%u\n",
+ m->hdisplay, m->vdisplay, drm_mode_vrefresh(m));
+ return -ENOMEM;
+ }
+
+ drm_mode_set_name(mode);
+
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ drm_mode_probed_add(connector, mode);
+
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
+
+ return 1;
+}
+
+static const struct drm_panel_funcs panel_funcs = {
+ .disable = mingjun_disable,
+ .unprepare = mingjun_unprepare,
+ .prepare = mingjun_prepare,
+ .enable = mingjun_enable,
+ .get_modes = mingjun_get_modes,
+};
+
+static const struct drm_display_mode mingjun_default_mode = {
+ .clock = 75750,
+ .hdisplay = 800,
+ .hsync_start = 800 + 48,
+ .hsync_end = 800 + 48 + 32,
+ .htotal = 800 + 48 + 32 + 80,
+
+ .vdisplay = 1280,
+ .vsync_start = 1280 + 3,
+ .vsync_end = 1280 + 3 + 10,
+ .vtotal = 1280 + 3 + 10 + 24,
+
+ .width_mm = 90,
+ .height_mm = 150,
+ .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+};
+
+static const struct mingjun_panel_cmd mingjun_on_cmds[] = {
+ // { .cmdlen = 4, .cmddata = {0xB9, 0xFF, 0x83, 0x94} },
+ // { .cmdlen = 11, .cmddata = {0xB1, 0x48, 0x0A, 0x6A, 0x09, 0x33, 0x54,
+ // 0x71, 0x71, 0x2E, 0x45} },
+ // { .cmdlen = 7, .cmddata = {0xBA, 0x63, 0x03, 0x68, 0x6B, 0xB2, 0xC0} },
+ // { .cmdlen = 7, .cmddata = {0xB2, 0x00, 0x80, 0x64, 0x0C, 0x06, 0x2F} },
+ // { .cmdlen = 22, .cmddata = {0xB4, 0x1C, 0x78, 0x1C, 0x78, 0x1C, 0x78, 0x01,
+ // 0x0C, 0x86, 0x75, 0x00, 0x3F, 0x1C, 0x78, 0x1C,
+ // 0x78, 0x1C, 0x78, 0x01, 0x0C, 0x86} },
+ // { .cmdlen = 34, .cmddata = {0xD3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08,
+ // 0x08, 0x32, 0x10, 0x05, 0x00, 0x05, 0x32, 0x13,
+ // 0xC1, 0x00, 0x01, 0x32, 0x10, 0x08, 0x00, 0x00,
+ // 0x37, 0x03, 0x07, 0x07, 0x37, 0x05, 0x05, 0x37,
+ // 0x0C, 0x40} },
+ // { .cmdlen = 45, .cmddata = {0xD5, 0x18, 0x18, 0x18, 0x18, 0x22, 0x23, 0x20,
+ // 0x21, 0x04, 0x05, 0x06, 0x07, 0x00, 0x01, 0x02,
+ // 0x03, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ // 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ // 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ // 0x18, 0x19, 0x19, 0x19, 0x19} },
+ // { .cmdlen = 45, .cmddata = {0xD6, 0x18, 0x18, 0x19, 0x19, 0x21, 0x20, 0x23,
+ // 0x22, 0x03, 0x02, 0x01, 0x00, 0x07, 0x06, 0x05,
+ // 0x04, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ // 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ // 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+ // 0x18, 0x19, 0x19, 0x18, 0x18} },
+ // { .cmdlen = 59, .cmddata = {0xE0, 0x07, 0x08, 0x09, 0x0D, 0x10, 0x14, 0x16,
+ // 0x13, 0x24, 0x36, 0x48, 0x4A, 0x58, 0x6F, 0x76,
+ // 0x80, 0x97, 0xA5, 0xA8, 0xB5, 0xC6, 0x62, 0x63,
+ // 0x68, 0x6F, 0x72, 0x78, 0x7F, 0x7F, 0x00, 0x02,
+ // 0x08, 0x0D, 0x0C, 0x0E, 0x0F, 0x10, 0x24, 0x36,
+ // 0x48, 0x4A, 0x58, 0x6F, 0x78, 0x82, 0x99, 0xA4,
+ // 0xA0, 0xB1, 0xC0, 0x5E, 0x5E, 0x64, 0x6B, 0x6C,
+ // 0x73, 0x7F, 0x7F} },
+ // { .cmdlen = 2, .cmddata = {0xCC, 0x03} },
+ // { .cmdlen = 3, .cmddata = {0xC0, 0x1F, 0x73} },
+ // { .cmdlen = 3, .cmddata = {0xB6, 0x90, 0x90} },
+ // { .cmdlen = 2, .cmddata = {0xD4, 0x02} },
+ // { .cmdlen = 2, .cmddata = {0xBD, 0x01} },
+ // { .cmdlen = 2, .cmddata = {0xB1, 0x00} },
+ // { .cmdlen = 2, .cmddata = {0xBD, 0x00} },
+ // { .cmdlen = 8, .cmddn bata = {0xBF, 0x40, 0x81, 0x50, 0x00, 0x1A, 0xFC, 0x01} },
+
+ // { .cmdlen = 2, .cmddata = {0x36, 0x02} },
+{ .cmdlen =4, .cmddata = {0xFF,0x98,0x81,0x03} },
+{ .cmdlen = 2, .cmddata = {0x01,0x00} },
+{ .cmdlen = 2, .cmddata = {0x02,0x00} },
+{ .cmdlen = 2, .cmddata = {0x03,0x73} },
+{ .cmdlen = 2, .cmddata = {0x04,0x13} },
+{ .cmdlen = 2, .cmddata = {0x05,0x00} },
+{ .cmdlen = 2, .cmddata = {0x06,0x0A} },
+{ .cmdlen = 2, .cmddata = {0x07,0x05} },
+{ .cmdlen = 2, .cmddata = {0x11,0x00} },
+{ .cmdlen = 2, .cmddata = {0x09,0x28} },
+{ .cmdlen = 2, .cmddata = {0x0A,0x00} },
+{ .cmdlen = 2, .cmddata = {0x0B,0x00} },
+{ .cmdlen = 2, .cmddata = {0x0C,0x00} },
+{ .cmdlen = 2, .cmddata = {0x0D,0x28} },
+{ .cmdlen = 2, .cmddata = {0x0E,0x00} },
+{ .cmdlen = 2, .cmddata = {0x0F,0x28} },
+{ .cmdlen = 2, .cmddata = {0x10,0x28} },
+{ .cmdlen = 2, .cmddata = {0x11,0x00} },
+{ .cmdlen = 2, .cmddata = {0x12,0x00} },
+{ .cmdlen = 2, .cmddata = {0x13,0x00} },
+{ .cmdlen = 2, .cmddata = {0x14,0x00} },
+{ .cmdlen = 2, .cmddata = {0x15,0x00} },
+{ .cmdlen = 2, .cmddata = {0x16,0x00} },
+{ .cmdlen = 2, .cmddata = {0x17,0x00} },
+{ .cmdlen = 2, .cmddata = {0x18,0x00} },
+{ .cmdlen = 2, .cmddata = {0x19,0x00} },
+{ .cmdlen = 2, .cmddata = {0x1A,0x00} },
+{ .cmdlen = 2, .cmddata = {0x1B,0x00} },
+{ .cmdlen = 2, .cmddata = {0x1C,0x00} },
+{ .cmdlen = 2, .cmddata = {0x1D,0x00} },
+{ .cmdlen = 2, .cmddata = {0x1E,0x40} },
+{ .cmdlen = 2, .cmddata = {0x1F,0x80} },
+{ .cmdlen = 2, .cmddata = {0x20,0x06} },
+{ .cmdlen = 2, .cmddata = {0x21,0x01} },
+{ .cmdlen = 2, .cmddata = {0x22,0x00} },
+{ .cmdlen = 2, .cmddata = {0x23,0x00} },
+{ .cmdlen = 2, .cmddata = {0x24,0x00} },
+{ .cmdlen = 2, .cmddata = {0x25,0x00} },
+{ .cmdlen = 2, .cmddata = {0x26,0x00} },
+{ .cmdlen = 2, .cmddata = {0x27,0x00} },
+{ .cmdlen = 2, .cmddata = {0x28,0x33} },
+{ .cmdlen = 2, .cmddata = {0x29,0x33} },
+{ .cmdlen = 2, .cmddata = {0x2A,0x00} },
+{ .cmdlen = 2, .cmddata = {0x2B,0x00} },
+{ .cmdlen = 2, .cmddata = {0x2C,0x04} },
+{ .cmdlen = 2, .cmddata = {0x2D,0x0C} },
+{ .cmdlen = 2, .cmddata = {0x2E,0x05} },
+{ .cmdlen = 2, .cmddata = {0x2F,0x05} },
+{ .cmdlen = 2, .cmddata = {0x30,0x00} },
+{ .cmdlen = 2, .cmddata = {0x31,0x00} },
+{ .cmdlen = 2, .cmddata = {0x32,0x31} },
+{ .cmdlen = 2, .cmddata = {0x33,0x00} },
+{ .cmdlen = 2, .cmddata = {0x34,0x00} },
+{ .cmdlen = 2, .cmddata = {0x35,0x0A} },
+{ .cmdlen = 2, .cmddata = {0x36,0x00} },
+{ .cmdlen = 2, .cmddata = {0x37,0x08} },
+{ .cmdlen = 2, .cmddata = {0x70,0x00} },
+{ .cmdlen = 2, .cmddata = {0x39,0x00} },
+{ .cmdlen = 2, .cmddata = {0x3A,0x00} },
+{ .cmdlen = 2, .cmddata = {0x3B,0x00} },
+{ .cmdlen = 2, .cmddata = {0x3C,0x00} },
+{ .cmdlen = 2, .cmddata = {0x3D,0x00} },
+{ .cmdlen = 2, .cmddata = {0x3E,0x00} },
+{ .cmdlen = 2, .cmddata = {0x3F,0x00} },
+{ .cmdlen = 2, .cmddata = {0x40,0x00} },
+{ .cmdlen = 2, .cmddata = {0x41,0x00} },
+{ .cmdlen = 2, .cmddata = {0x42,0x00} },
+{ .cmdlen = 2, .cmddata = {0x43,0x08} },
+{ .cmdlen = 2, .cmddata = {0x44,0x00} },
+{ .cmdlen = 2, .cmddata = {0xA0,0x02} },
+{ .cmdlen = 2, .cmddata = {0x51,0x23} },
+{ .cmdlen = 2, .cmddata = {0x52,0x44} },
+{ .cmdlen = 2, .cmddata = {0x53,0x67} },
+{ .cmdlen = 2, .cmddata = {0x54,0x89} },
+{ .cmdlen = 2, .cmddata = {0x55,0xAB} },
+{ .cmdlen = 2, .cmddata = {0x56,0x01} },
+{ .cmdlen = 2, .cmddata = {0x57,0x23} },
+{ .cmdlen = 2, .cmddata = {0x58,0x45} },
+{ .cmdlen = 2, .cmddata = {0x59,0x67} },
+{ .cmdlen = 2, .cmddata = {0x5A,0x89} },
+{ .cmdlen = 2, .cmddata = {0x5B,0xAB} },
+{ .cmdlen = 2, .cmddata = {0x5C,0xCD} },
+{ .cmdlen = 2, .cmddata = {0x5D,0xEF} },
+{ .cmdlen = 2, .cmddata = {0x5E,0x11} },
+{ .cmdlen = 2, .cmddata = {0x5F,0x02} },
+{ .cmdlen = 2, .cmddata = {0x60,0x08} },
+{ .cmdlen = 2, .cmddata = {0x61,0x0E} },
+{ .cmdlen = 2, .cmddata = {0x62,0x0F} },
+{ .cmdlen = 2, .cmddata = {0x63,0x0C} },
+{ .cmdlen = 2, .cmddata = {0x64,0x0D} },
+{ .cmdlen = 2, .cmddata = {0x65,0x17} },
+{ .cmdlen = 2, .cmddata = {0x66,0x01} },
+{ .cmdlen = 2, .cmddata = {0x67,0x01} },
+{ .cmdlen = 2, .cmddata = {0x68,0x02} },
+{ .cmdlen = 2, .cmddata = {0x69,0x02} },
+{ .cmdlen = 2, .cmddata = {0x6A,0x00} },
+{ .cmdlen = 2, .cmddata = {0x6B,0x00} },
+{ .cmdlen = 2, .cmddata = {0x6C,0x02} },
+{ .cmdlen = 2, .cmddata = {0x6D,0x02} },
+{ .cmdlen = 2, .cmddata = {0x6E,0x16} },
+{ .cmdlen = 2, .cmddata = {0x6F,0x16} },
+{ .cmdlen = 2, .cmddata = {0x70,0x06} },
+{ .cmdlen = 2, .cmddata = {0x71,0x06} },
+{ .cmdlen = 2, .cmddata = {0x72,0x07} },
+{ .cmdlen = 2, .cmddata = {0x73,0x07} },
+{ .cmdlen = 2, .cmddata = {0x74,0x02} },
+{ .cmdlen = 2, .cmddata = {0x75,0x02} },
+{ .cmdlen = 2, .cmddata = {0x76,0x08} },
+{ .cmdlen = 2, .cmddata = {0x77,0x0E} },
+{ .cmdlen = 2, .cmddata = {0x78,0x0F} },
+{ .cmdlen = 2, .cmddata = {0x79,0x0C} },
+{ .cmdlen = 2, .cmddata = {0x7A,0x0D} },
+{ .cmdlen = 2, .cmddata = {0x7B,0x17} },
+{ .cmdlen = 2, .cmddata = {0x7C,0x01} },
+{ .cmdlen = 2, .cmddata = {0x7D,0x01} },
+{ .cmdlen = 2, .cmddata = {0x7E,0x02} },
+{ .cmdlen = 2, .cmddata = {0x7F,0x02} },
+{ .cmdlen = 2, .cmddata = {0x80,0x00} },
+{ .cmdlen = 2, .cmddata = {0x81,0x00} },
+{ .cmdlen = 2, .cmddata = {0x82,0x02} },
+{ .cmdlen = 2, .cmddata = {0x83,0x02} },
+{ .cmdlen = 2, .cmddata = {0x84,0x16} },
+{ .cmdlen = 2, .cmddata = {0x85,0x16} },
+{ .cmdlen = 2, .cmddata = {0x86,0x06} },
+{ .cmdlen = 2, .cmddata = {0x87,0x06} },
+{ .cmdlen = 2, .cmddata = {0x88,0x07} },
+{ .cmdlen = 2, .cmddata = {0x89,0x07} },
+{ .cmdlen = 2, .cmddata = {0x8A,0x02} },
+{ .cmdlen = 4, .cmddata = {0xFF,0x98,0x81,0x04} },
+{ .cmdlen = 2, .cmddata = {0x6E,0x1A} },
+{ .cmdlen = 2, .cmddata = {0x6F,0x37} },
+{ .cmdlen = 2, .cmddata = {0x3A,0xA4} },
+{ .cmdlen = 2, .cmddata = {0x8D,0x1F} },
+{ .cmdlen = 2, .cmddata = {0x87,0xBA} },
+{ .cmdlen = 2, .cmddata = {0xB2,0xD1} },
+{ .cmdlen = 2, .cmddata = {0x88,0x0B} },
+{ .cmdlen = 2, .cmddata = {0x38,0x01} },
+{ .cmdlen = 2, .cmddata = {0x39,0x00} },
+{ .cmdlen = 2, .cmddata = {0xB5,0x02} },
+{ .cmdlen = 2, .cmddata = {0x31,0x25} },
+{ .cmdlen = 2, .cmddata = {0x3B,0x98} },
+{ .cmdlen = 4, .cmddata = {0xFF,0x98,0x81,0x01} },
+{ .cmdlen = 2, .cmddata = {0x22,0x0A} },
+{ .cmdlen = 2, .cmddata = {0x31,0x00} },
+{ .cmdlen = 2, .cmddata = {0xA6,0xA6} },
+{ .cmdlen = 2, .cmddata = {0x55,0x3D} },
+{ .cmdlen = 2, .cmddata = {0x50,0x9E} },
+{ .cmdlen = 2, .cmddata = {0x51,0x99} },
+{ .cmdlen = 2, .cmddata = {0x60,0x06} },
+{ .cmdlen = 2, .cmddata = {0x62,0x20} },
+{ .cmdlen = 2, .cmddata = {0xA0,0x00} },
+{ .cmdlen = 2, .cmddata = {0xA1,0x17} },
+{ .cmdlen = 2, .cmddata = {0xA2,0x26} },
+{ .cmdlen = 2, .cmddata = {0xA3,0x13} },
+{ .cmdlen = 2, .cmddata = {0xA4,0x16} },
+{ .cmdlen = 2, .cmddata = {0xA5,0x29} },
+{ .cmdlen = 2, .cmddata = {0xA6,0x1E} },
+{ .cmdlen = 2, .cmddata = {0xA7,0x1F} },
+{ .cmdlen = 2, .cmddata = {0xA8,0x8B} },
+{ .cmdlen = 2, .cmddata = {0xA9,0x1D} },
+{ .cmdlen = 2, .cmddata = {0xAA,0x2A} },
+{ .cmdlen = 2, .cmddata = {0xAB,0x7B} },
+{ .cmdlen = 2, .cmddata = {0xAC,0x1A} },
+{ .cmdlen = 2, .cmddata = {0xAD,0x19} },
+{ .cmdlen = 2, .cmddata = {0xAE,0x4E} },
+{ .cmdlen = 2, .cmddata = {0xAF,0x24} },
+{ .cmdlen = 2, .cmddata = {0xB0,0x29} },
+{ .cmdlen = 2, .cmddata = {0xB1,0x4F} },
+{ .cmdlen = 2, .cmddata = {0xB2,0x5C} },
+{ .cmdlen = 2, .cmddata = {0xB3,0x3E} },
+{ .cmdlen = 2, .cmddata = {0xC0,0x00} },
+{ .cmdlen = 2, .cmddata = {0xC1,0x17} },
+{ .cmdlen = 2, .cmddata = {0xC2,0x26} },
+{ .cmdlen = 2, .cmddata = {0xC3,0x13} },
+{ .cmdlen = 2, .cmddata = {0xC4,0x16} },
+{ .cmdlen = 2, .cmddata = {0xC5,0x29} },
+{ .cmdlen = 2, .cmddata = {0xC6,0x1E} },
+{ .cmdlen = 2, .cmddata = {0xC7,0x1F} },
+{ .cmdlen = 2, .cmddata = {0xC8,0x8B} },
+{ .cmdlen = 2, .cmddata = {0xC9,0x1D} },
+{ .cmdlen = 2, .cmddata = {0xCA,0x2A} },
+{ .cmdlen = 2, .cmddata = {0xCB,0x7B} },
+{ .cmdlen = 2, .cmddata = {0xCC,0x1A} },
+{ .cmdlen = 2, .cmddata = {0xCD,0x19} },
+{ .cmdlen = 2, .cmddata = {0xCE,0x4E} },
+{ .cmdlen = 2, .cmddata = {0xCF,0x24} },
+{ .cmdlen = 2, .cmddata = {0xD0,0x29} },
+{ .cmdlen = 2, .cmddata = {0xD1,0x4D} },
+{ .cmdlen = 2, .cmddata = {0xD2,0x5C} },
+{ .cmdlen = 2, .cmddata = {0xD3,0x3E} },
+{ .cmdlen = 4, .cmddata = {0xFF,0x98,0x81,0x00} },
+{ .cmdlen = 2, .cmddata = {0x11,0x00} },
+{ .cmdlen = 2, .cmddata = {0x29,0x00} },
+{ .cmdlen = 2, .cmddata = {0x35,0x00} },
+{ .cmdlen = 2, .cmddata = {0x00,0x00} },
+};
+
+static const struct mingjun_panel_desc mingjun_panel_desc = {
+ .display_mode = &mingjun_default_mode,
+ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_VIDEO_BURST,
+ .format = MIPI_DSI_FMT_RGB888,
+ .lanes = 4,
+ .on_cmds = mingjun_on_cmds,
+ .on_cmds_num = ARRAY_SIZE(mingjun_on_cmds),
+};
+
+static const struct of_device_id panel_of_match[] = {
+ {
+ .compatible = "mingjun,mj070bi30ia2",
+ .data = &mingjun_panel_desc,
+ },
+ {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(of, panel_of_match);
+
+static int mj070bi30ia2_panel_add(struct panel_minjun_info *pinfo)
+{
+ struct device *dev = &pinfo->link->dev;
+ int ret;
+
+ pinfo->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(pinfo->reset))
+ return dev_err_probe(dev, PTR_ERR(pinfo->reset),
+ "Couldn't get our reset GPIO\n");
+
+ pinfo->hsvcc = devm_regulator_get(dev, "hsvcc");
+ if (IS_ERR(pinfo->hsvcc))
+ return dev_err_probe(dev, PTR_ERR(pinfo->hsvcc),
+ "Failed to request hsvcc regulator\n");
+
+ pinfo->vspn3v3 = devm_regulator_get(dev, "vspn3v3");
+ if (IS_ERR(pinfo->vspn3v3))
+ return dev_err_probe(dev, PTR_ERR(pinfo->vspn3v3),
+ "Failed to request vspn3v3 regulator\n");
+
+ drm_panel_init(&pinfo->base, dev, &panel_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+
+ ret = drm_panel_of_backlight(&pinfo->base);
+ if (ret)
+ return ret;
+
+ drm_panel_add(&pinfo->base);
+
+ return 0;
+}
+
+static int mingjun_dsi_probe(struct mipi_dsi_device *dsi)
+{
+ struct panel_minjun_info *pinfo;
+ const struct mingjun_panel_desc *desc;
+ int err;
+
+ pinfo = devm_kzalloc(&dsi->dev, sizeof(*pinfo), GFP_KERNEL);
+ if (!pinfo)
+ return -ENOMEM;
+
+ desc = of_device_get_match_data(&dsi->dev);
+ dsi->mode_flags = desc->mode_flags;
+ dsi->format = desc->format;
+ dsi->lanes = desc->lanes;
+ pinfo->desc = desc;
+
+ pinfo->link = dsi;
+ mipi_dsi_set_drvdata(dsi, pinfo);
+
+ err = mj070bi30ia2_panel_add(pinfo);
+ if (err < 0)
+ return err;
+
+ err = mipi_dsi_attach(dsi);
+ if (err < 0)
+ drm_panel_remove(&pinfo->base);
+
+ return err;
+}
+
+static int mingjun_dsi_remove(struct mipi_dsi_device *dsi)
+{
+ struct panel_minjun_info *pinfo = mipi_dsi_get_drvdata(dsi);
+ int err;
+
+ err = mingjun_disable(&pinfo->base);
+ if (err < 0)
+ dev_err(&dsi->dev, "failed to disable panel: %d\n", err);
+
+ err = mingjun_unprepare(&pinfo->base);
+ if (err < 0)
+ dev_err(&dsi->dev, "failed to unprepare panel: %d\n", err);
+
+ err = mipi_dsi_detach(dsi);
+ if (err < 0)
+ dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);
+
+ drm_panel_remove(&pinfo->base);
+
+ return 0;
+}
+
+static void mj070bi30ia2_panel_shutdown(struct mipi_dsi_device *dsi)
+{
+ struct panel_minjun_info *pinfo = mipi_dsi_get_drvdata(dsi);
+
+ mingjun_disable(&pinfo->base);
+ mingjun_unprepare(&pinfo->base);
+}
+
+static struct mipi_dsi_driver mingjun_driver = {
+ .driver = {
+ .name = "mingjun-mj070bi30ia2",
+ .of_match_table = panel_of_match,
+ },
+ .probe = mingjun_dsi_probe,
+ .remove = mingjun_dsi_remove,
+ .shutdown = mj070bi30ia2_panel_shutdown,
+};
+module_mipi_dsi_driver(mingjun_driver);
+
+MODULE_AUTHOR("Jagan Teki <jagan@edgeble.ai>");
+MODULE_AUTHOR("Stephen Chen <stephen@radxa.com>");
+MODULE_DESCRIPTION("MingJun 070BI30IA2 DSI panel");
+MODULE_LICENSE("GPL");
projects / platform / kernel / linux-thead.git / commitdiff