^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Mantix MLAF057WE51 5.7" MIPI-DSI panel driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) Purism SPC 2020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/backlight.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/gpio/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/regulator/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <video/mipi_display.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <drm/drm_mipi_dsi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <drm/drm_modes.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <drm/drm_panel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define DRV_NAME "panel-mantix-mlaf057we51"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /* Manufacturer specific Commands send via DSI */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define MANTIX_CMD_OTP_STOP_RELOAD_MIPI 0x41
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define MANTIX_CMD_INT_CANCEL 0x4C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define MANTIX_CMD_SPI_FINISH 0x90
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct mantix {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct drm_panel panel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct gpio_desc *reset_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct gpio_desc *tp_rstn_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct regulator *avdd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct regulator *avee;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct regulator *vddi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static inline struct mantix *panel_to_mantix(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) return container_of(panel, struct mantix, panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define dsi_generic_write_seq(dsi, seq...) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static const u8 d[] = { seq }; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int ret; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) ret = mipi_dsi_generic_write(dsi, d, ARRAY_SIZE(d)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) if (ret < 0) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) return ret; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static int mantix_init_sequence(struct mantix *ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct device *dev = ctx->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * Init sequence was supplied by the panel vendor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) dsi_generic_write_seq(dsi, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5A);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) dsi_generic_write_seq(dsi, MANTIX_CMD_INT_CANCEL, 0x03);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) dsi_generic_write_seq(dsi, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5A, 0x03);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) dsi_generic_write_seq(dsi, 0x80, 0xA9, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) dsi_generic_write_seq(dsi, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5A, 0x09);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) dsi_generic_write_seq(dsi, 0x80, 0x64, 0x00, 0x64, 0x00, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) msleep(20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) dsi_generic_write_seq(dsi, MANTIX_CMD_SPI_FINISH, 0xA5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) dsi_generic_write_seq(dsi, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x00, 0x2F);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) msleep(20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) dev_dbg(dev, "Panel init sequence done\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) static int mantix_enable(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct mantix *ctx = panel_to_mantix(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct device *dev = ctx->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) ret = mantix_init_sequence(ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) dev_err(ctx->dev, "Panel init sequence failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) dev_err(dev, "Failed to exit sleep mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) msleep(20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) ret = mipi_dsi_dcs_set_display_on(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) usleep_range(10000, 12000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) ret = mipi_dsi_turn_on_peripheral(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) dev_err(dev, "Failed to turn on peripheral\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) static int mantix_disable(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct mantix *ctx = panel_to_mantix(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) ret = mipi_dsi_dcs_set_display_off(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) dev_err(ctx->dev, "Failed to turn off the display: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) dev_err(ctx->dev, "Failed to enter sleep mode: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static int mantix_unprepare(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) struct mantix *ctx = panel_to_mantix(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) gpiod_set_value_cansleep(ctx->tp_rstn_gpio, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) usleep_range(5000, 6000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) gpiod_set_value_cansleep(ctx->reset_gpio, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) regulator_disable(ctx->avee);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) regulator_disable(ctx->avdd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) /* T11 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) usleep_range(5000, 6000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) regulator_disable(ctx->vddi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) /* T14 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) msleep(50);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) static int mantix_prepare(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) struct mantix *ctx = panel_to_mantix(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) /* Focaltech FT8006P, section 7.3.1 and 7.3.4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) dev_dbg(ctx->dev, "Resetting the panel\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) ret = regulator_enable(ctx->vddi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) dev_err(ctx->dev, "Failed to enable vddi supply: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) /* T1 + T2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) usleep_range(8000, 10000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) ret = regulator_enable(ctx->avdd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) dev_err(ctx->dev, "Failed to enable avdd supply: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) /* T2d */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) usleep_range(3500, 4000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) ret = regulator_enable(ctx->avee);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) dev_err(ctx->dev, "Failed to enable avee supply: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) /* T3 + T4 + time for voltage to become stable: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) usleep_range(6000, 7000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) gpiod_set_value_cansleep(ctx->reset_gpio, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) gpiod_set_value_cansleep(ctx->tp_rstn_gpio, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) /* T6 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) msleep(50);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static const struct drm_display_mode default_mode = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) .hdisplay = 720,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .hsync_start = 720 + 45,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .hsync_end = 720 + 45 + 14,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .htotal = 720 + 45 + 14 + 25,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) .vdisplay = 1440,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) .vsync_start = 1440 + 130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) .vsync_end = 1440 + 130 + 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) .vtotal = 1440 + 130 + 8 + 106,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) .clock = 85298,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .width_mm = 65,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .height_mm = 130,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) static int mantix_get_modes(struct drm_panel *panel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) struct drm_connector *connector)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) struct mantix *ctx = panel_to_mantix(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) struct drm_display_mode *mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) mode = drm_mode_duplicate(connector->dev, &default_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) if (!mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) dev_err(ctx->dev, "Failed to add mode %ux%u@%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) default_mode.hdisplay, default_mode.vdisplay,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) drm_mode_vrefresh(&default_mode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) drm_mode_set_name(mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) connector->display_info.width_mm = mode->width_mm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) connector->display_info.height_mm = mode->height_mm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) drm_mode_probed_add(connector, mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) static const struct drm_panel_funcs mantix_drm_funcs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) .disable = mantix_disable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) .unprepare = mantix_unprepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) .prepare = mantix_prepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) .enable = mantix_enable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) .get_modes = mantix_get_modes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) static int mantix_probe(struct mipi_dsi_device *dsi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) struct device *dev = &dsi->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) struct mantix *ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) if (!ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if (IS_ERR(ctx->reset_gpio)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) dev_err(dev, "cannot get reset gpio\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) return PTR_ERR(ctx->reset_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) ctx->tp_rstn_gpio = devm_gpiod_get(dev, "mantix,tp-rstn", GPIOD_OUT_HIGH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) if (IS_ERR(ctx->tp_rstn_gpio)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) dev_err(dev, "cannot get tp-rstn gpio\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) return PTR_ERR(ctx->tp_rstn_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) mipi_dsi_set_drvdata(dsi, ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) ctx->dev = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) dsi->lanes = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) dsi->format = MIPI_DSI_FMT_RGB888;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) ctx->avdd = devm_regulator_get(dev, "avdd");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) if (IS_ERR(ctx->avdd))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) return dev_err_probe(dev, PTR_ERR(ctx->avdd), "Failed to request avdd regulator\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) ctx->avee = devm_regulator_get(dev, "avee");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) if (IS_ERR(ctx->avee))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) return dev_err_probe(dev, PTR_ERR(ctx->avee), "Failed to request avee regulator\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) ctx->vddi = devm_regulator_get(dev, "vddi");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) if (IS_ERR(ctx->vddi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) return dev_err_probe(dev, PTR_ERR(ctx->vddi), "Failed to request vddi regulator\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) drm_panel_init(&ctx->panel, dev, &mantix_drm_funcs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) DRM_MODE_CONNECTOR_DSI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) ret = drm_panel_of_backlight(&ctx->panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) drm_panel_add(&ctx->panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) ret = mipi_dsi_attach(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) dev_err(dev, "mipi_dsi_attach failed (%d). Is host ready?\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) drm_panel_remove(&ctx->panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) dev_info(dev, "%ux%u@%u %ubpp dsi %udl - ready\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) default_mode.hdisplay, default_mode.vdisplay,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) drm_mode_vrefresh(&default_mode),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) mipi_dsi_pixel_format_to_bpp(dsi->format), dsi->lanes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) static void mantix_shutdown(struct mipi_dsi_device *dsi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) struct mantix *ctx = mipi_dsi_get_drvdata(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) drm_panel_unprepare(&ctx->panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) drm_panel_disable(&ctx->panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) static int mantix_remove(struct mipi_dsi_device *dsi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) struct mantix *ctx = mipi_dsi_get_drvdata(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) mantix_shutdown(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) mipi_dsi_detach(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) drm_panel_remove(&ctx->panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) static const struct of_device_id mantix_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) { .compatible = "mantix,mlaf057we51-x" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) { /* sentinel */ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) MODULE_DEVICE_TABLE(of, mantix_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) static struct mipi_dsi_driver mantix_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) .probe = mantix_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) .remove = mantix_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) .shutdown = mantix_shutdown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) .name = DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) .of_match_table = mantix_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) module_mipi_dsi_driver(mantix_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) MODULE_AUTHOR("Guido Günther <agx@sigxcpu.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) MODULE_DESCRIPTION("DRM driver for Mantix MLAF057WE51-X MIPI DSI panel");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags