^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2015 Red Hat
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2015 Sony Mobile Communications Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Author: Werner Johansson <werner.johansson@sonymobile.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Based on AUO panel driver by Rob Clark <robdclark@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/gpio/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/regulator/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <video/mipi_display.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <drm/drm_crtc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <drm/drm_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <drm/drm_mipi_dsi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <drm/drm_panel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct sharp_nt_panel {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct drm_panel base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct mipi_dsi_device *dsi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct regulator *supply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct gpio_desc *reset_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) bool prepared;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) bool enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) const struct drm_display_mode *mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static inline struct sharp_nt_panel *to_sharp_nt_panel(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) return container_of(panel, struct sharp_nt_panel, base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static int sharp_nt_panel_init(struct sharp_nt_panel *sharp_nt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct mipi_dsi_device *dsi = sharp_nt->dsi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) dsi->mode_flags |= MIPI_DSI_MODE_LPM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) msleep(120);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /* Novatek two-lane operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) ret = mipi_dsi_dcs_write(dsi, 0xae, (u8[]){ 0x03 }, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) /* Set both MCU and RGB I/F to 24bpp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) ret = mipi_dsi_dcs_set_pixel_format(dsi, MIPI_DCS_PIXEL_FMT_24BIT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) (MIPI_DCS_PIXEL_FMT_24BIT << 4));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static int sharp_nt_panel_on(struct sharp_nt_panel *sharp_nt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct mipi_dsi_device *dsi = sharp_nt->dsi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) dsi->mode_flags |= MIPI_DSI_MODE_LPM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) ret = mipi_dsi_dcs_set_display_on(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) static int sharp_nt_panel_off(struct sharp_nt_panel *sharp_nt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct mipi_dsi_device *dsi = sharp_nt->dsi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) ret = mipi_dsi_dcs_set_display_off(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) static int sharp_nt_panel_disable(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) if (!sharp_nt->enabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) sharp_nt->enabled = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) static int sharp_nt_panel_unprepare(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
^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) if (!sharp_nt->prepared)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) ret = sharp_nt_panel_off(sharp_nt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) dev_err(panel->dev, "failed to set panel off: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return 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) regulator_disable(sharp_nt->supply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (sharp_nt->reset_gpio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) gpiod_set_value(sharp_nt->reset_gpio, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) sharp_nt->prepared = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static int sharp_nt_panel_prepare(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) if (sharp_nt->prepared)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) ret = regulator_enable(sharp_nt->supply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) msleep(20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) if (sharp_nt->reset_gpio) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) gpiod_set_value(sharp_nt->reset_gpio, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) msleep(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) gpiod_set_value(sharp_nt->reset_gpio, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) msleep(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) gpiod_set_value(sharp_nt->reset_gpio, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) msleep(10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) ret = sharp_nt_panel_init(sharp_nt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) dev_err(panel->dev, "failed to init panel: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) goto poweroff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) ret = sharp_nt_panel_on(sharp_nt);
^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(panel->dev, "failed to set panel on: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) goto poweroff;
^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) sharp_nt->prepared = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) poweroff:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) regulator_disable(sharp_nt->supply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) if (sharp_nt->reset_gpio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) gpiod_set_value(sharp_nt->reset_gpio, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) static int sharp_nt_panel_enable(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) if (sharp_nt->enabled)
^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) sharp_nt->enabled = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) static const struct drm_display_mode default_mode = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) .clock = 41118,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) .hdisplay = 540,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) .hsync_start = 540 + 48,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) .hsync_end = 540 + 48 + 80,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) .htotal = 540 + 48 + 80 + 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) .vdisplay = 960,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .vsync_start = 960 + 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .vsync_end = 960 + 3 + 15,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .vtotal = 960 + 3 + 15 + 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) static int sharp_nt_panel_get_modes(struct drm_panel *panel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) struct drm_connector *connector)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) {
^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(panel->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) drm_mode_probed_add(connector, mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) connector->display_info.width_mm = 54;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) connector->display_info.height_mm = 95;
^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 sharp_nt_panel_funcs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) .disable = sharp_nt_panel_disable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) .unprepare = sharp_nt_panel_unprepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) .prepare = sharp_nt_panel_prepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) .enable = sharp_nt_panel_enable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) .get_modes = sharp_nt_panel_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 sharp_nt_panel_add(struct sharp_nt_panel *sharp_nt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) struct device *dev = &sharp_nt->dsi->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) sharp_nt->mode = &default_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) sharp_nt->supply = devm_regulator_get(dev, "avdd");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) if (IS_ERR(sharp_nt->supply))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) return PTR_ERR(sharp_nt->supply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) sharp_nt->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) if (IS_ERR(sharp_nt->reset_gpio)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) dev_err(dev, "cannot get reset-gpios %ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) PTR_ERR(sharp_nt->reset_gpio));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) sharp_nt->reset_gpio = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) gpiod_set_value(sharp_nt->reset_gpio, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) drm_panel_init(&sharp_nt->base, &sharp_nt->dsi->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) &sharp_nt_panel_funcs, DRM_MODE_CONNECTOR_DSI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) ret = drm_panel_of_backlight(&sharp_nt->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) drm_panel_add(&sharp_nt->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) static void sharp_nt_panel_del(struct sharp_nt_panel *sharp_nt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) if (sharp_nt->base.dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) drm_panel_remove(&sharp_nt->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) static int sharp_nt_panel_probe(struct mipi_dsi_device *dsi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) struct sharp_nt_panel *sharp_nt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) dsi->lanes = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) dsi->format = MIPI_DSI_FMT_RGB888;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) MIPI_DSI_MODE_VIDEO_HSE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) MIPI_DSI_CLOCK_NON_CONTINUOUS |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) MIPI_DSI_MODE_EOT_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) sharp_nt = devm_kzalloc(&dsi->dev, sizeof(*sharp_nt), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) if (!sharp_nt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) mipi_dsi_set_drvdata(dsi, sharp_nt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) sharp_nt->dsi = dsi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) ret = sharp_nt_panel_add(sharp_nt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) return mipi_dsi_attach(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) static int sharp_nt_panel_remove(struct mipi_dsi_device *dsi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) struct sharp_nt_panel *sharp_nt = mipi_dsi_get_drvdata(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) ret = drm_panel_disable(&sharp_nt->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) dev_err(&dsi->dev, "failed to disable panel: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) ret = mipi_dsi_detach(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) sharp_nt_panel_del(sharp_nt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) static void sharp_nt_panel_shutdown(struct mipi_dsi_device *dsi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) struct sharp_nt_panel *sharp_nt = mipi_dsi_get_drvdata(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) drm_panel_disable(&sharp_nt->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) static const struct of_device_id sharp_nt_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) { .compatible = "sharp,ls043t1le01-qhd", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) MODULE_DEVICE_TABLE(of, sharp_nt_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) static struct mipi_dsi_driver sharp_nt_panel_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) .name = "panel-sharp-ls043t1le01-qhd",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) .of_match_table = sharp_nt_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) .probe = sharp_nt_panel_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) .remove = sharp_nt_panel_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) .shutdown = sharp_nt_panel_shutdown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) module_mipi_dsi_driver(sharp_nt_panel_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) MODULE_AUTHOR("Werner Johansson <werner.johansson@sonymobile.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) MODULE_DESCRIPTION("Sharp LS043T1LE01 NT35565-based qHD (540x960) video mode panel driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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