Orange Pi5 kernel

^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/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/regulator/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <video/mipi_display.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <drm/drm_crtc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <drm/drm_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <drm/drm_mipi_dsi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <drm/drm_panel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  * When power is turned off to this panel a minimum off time of 500ms has to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  * observed before powering back on as there's no external reset pin. Keep
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  * track of earliest wakeup time and delay subsequent prepare call accordingly
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define MIN_POFF_MS (500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) struct wuxga_nt_panel {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	struct drm_panel base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	struct mipi_dsi_device *dsi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	struct regulator *supply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	bool prepared;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	bool enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	ktime_t earliest_wake;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	const struct drm_display_mode *mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) static inline struct wuxga_nt_panel *to_wuxga_nt_panel(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	return container_of(panel, struct wuxga_nt_panel, base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) static int wuxga_nt_panel_on(struct wuxga_nt_panel *wuxga_nt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	return mipi_dsi_turn_on_peripheral(wuxga_nt->dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) static int wuxga_nt_panel_disable(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	struct wuxga_nt_panel *wuxga_nt = to_wuxga_nt_panel(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	int mipi_ret, bl_ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	if (!wuxga_nt->enabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	mipi_ret = mipi_dsi_shutdown_peripheral(wuxga_nt->dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	wuxga_nt->enabled = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	return mipi_ret ? mipi_ret : bl_ret;
^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 wuxga_nt_panel_unprepare(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	struct wuxga_nt_panel *wuxga_nt = to_wuxga_nt_panel(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	if (!wuxga_nt->prepared)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	regulator_disable(wuxga_nt->supply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	wuxga_nt->earliest_wake = ktime_add_ms(ktime_get_real(), MIN_POFF_MS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	wuxga_nt->prepared = false;
^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 wuxga_nt_panel_prepare(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	struct wuxga_nt_panel *wuxga_nt = to_wuxga_nt_panel(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	s64 enablewait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	if (wuxga_nt->prepared)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	 * If the user re-enabled the panel before the required off-time then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	 * we need to wait the remaining period before re-enabling regulator
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	enablewait = ktime_ms_delta(wuxga_nt->earliest_wake, ktime_get_real());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	/* Sanity check, this should never happen */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	if (enablewait > MIN_POFF_MS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		enablewait = MIN_POFF_MS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	if (enablewait > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 		msleep(enablewait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	ret = regulator_enable(wuxga_nt->supply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	if (ret < 0)
^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) 	 * A minimum delay of 250ms is required after power-up until commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	 * can be sent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	msleep(250);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	ret = wuxga_nt_panel_on(wuxga_nt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		dev_err(panel->dev, "failed to set panel on: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		goto poweroff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	wuxga_nt->prepared = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) poweroff:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	regulator_disable(wuxga_nt->supply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	return ret;
^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 wuxga_nt_panel_enable(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 wuxga_nt_panel *wuxga_nt = to_wuxga_nt_panel(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	if (wuxga_nt->enabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	wuxga_nt->enabled = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) static const struct drm_display_mode default_mode = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	.clock = 164402,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	.hdisplay = 1920,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	.hsync_start = 1920 + 152,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	.hsync_end = 1920 + 152 + 52,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	.htotal = 1920 + 152 + 52 + 20,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	.vdisplay = 1200,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	.vsync_start = 1200 + 24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	.vsync_end = 1200 + 24 + 6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	.vtotal = 1200 + 24 + 6 + 48,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) static int wuxga_nt_panel_get_modes(struct drm_panel *panel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 				    struct drm_connector *connector)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	struct drm_display_mode *mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	mode = drm_mode_duplicate(connector->dev, &default_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	if (!mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 			default_mode.hdisplay, default_mode.vdisplay,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 			drm_mode_vrefresh(&default_mode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	drm_mode_set_name(mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	drm_mode_probed_add(connector, mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	connector->display_info.width_mm = 217;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	connector->display_info.height_mm = 136;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) static const struct drm_panel_funcs wuxga_nt_panel_funcs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	.disable = wuxga_nt_panel_disable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	.unprepare = wuxga_nt_panel_unprepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	.prepare = wuxga_nt_panel_prepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	.enable = wuxga_nt_panel_enable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	.get_modes = wuxga_nt_panel_get_modes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) static const struct of_device_id wuxga_nt_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	{ .compatible = "panasonic,vvx10f034n00", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) MODULE_DEVICE_TABLE(of, wuxga_nt_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) static int wuxga_nt_panel_add(struct wuxga_nt_panel *wuxga_nt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	struct device *dev = &wuxga_nt->dsi->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	wuxga_nt->mode = &default_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	wuxga_nt->supply = devm_regulator_get(dev, "power");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	if (IS_ERR(wuxga_nt->supply))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		return PTR_ERR(wuxga_nt->supply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	drm_panel_init(&wuxga_nt->base, &wuxga_nt->dsi->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		       &wuxga_nt_panel_funcs, DRM_MODE_CONNECTOR_DSI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	ret = drm_panel_of_backlight(&wuxga_nt->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	drm_panel_add(&wuxga_nt->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) static void wuxga_nt_panel_del(struct wuxga_nt_panel *wuxga_nt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	if (wuxga_nt->base.dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 		drm_panel_remove(&wuxga_nt->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) static int wuxga_nt_panel_probe(struct mipi_dsi_device *dsi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	struct wuxga_nt_panel *wuxga_nt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	dsi->lanes = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	dsi->format = MIPI_DSI_FMT_RGB888;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 			MIPI_DSI_MODE_VIDEO_HSE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 			MIPI_DSI_CLOCK_NON_CONTINUOUS |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 			MIPI_DSI_MODE_LPM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	wuxga_nt = devm_kzalloc(&dsi->dev, sizeof(*wuxga_nt), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	if (!wuxga_nt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	mipi_dsi_set_drvdata(dsi, wuxga_nt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	wuxga_nt->dsi = dsi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	ret = wuxga_nt_panel_add(wuxga_nt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	return mipi_dsi_attach(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) static int wuxga_nt_panel_remove(struct mipi_dsi_device *dsi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	struct wuxga_nt_panel *wuxga_nt = mipi_dsi_get_drvdata(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	ret = drm_panel_disable(&wuxga_nt->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 		dev_err(&dsi->dev, "failed to disable panel: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	ret = mipi_dsi_detach(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	wuxga_nt_panel_del(wuxga_nt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) static void wuxga_nt_panel_shutdown(struct mipi_dsi_device *dsi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	struct wuxga_nt_panel *wuxga_nt = mipi_dsi_get_drvdata(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	drm_panel_disable(&wuxga_nt->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) static struct mipi_dsi_driver wuxga_nt_panel_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 		.name = "panel-panasonic-vvx10f034n00",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 		.of_match_table = wuxga_nt_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	.probe = wuxga_nt_panel_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	.remove = wuxga_nt_panel_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	.shutdown = wuxga_nt_panel_shutdown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) module_mipi_dsi_driver(wuxga_nt_panel_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) MODULE_AUTHOR("Werner Johansson <werner.johansson@sonymobile.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) MODULE_DESCRIPTION("Panasonic VVX10F034N00 Novatek NT1397-based WUXGA (1920x1200) video mode panel driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) MODULE_LICENSE("GPL v2");