Orange Pi5 kernel

^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)  * Copyright (c) 2019 Theobroma Systems Design und Consulting GmbH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * base on panel-kingdisplay-kd097d04.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/backlight.h>
^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_modes.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <drm/drm_panel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) struct ltk500hd1829 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	struct drm_panel panel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	struct gpio_desc *reset_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	struct regulator *vcc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	struct regulator *iovcc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	bool prepared;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) struct ltk500hd1829_cmd {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	char cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	char data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) };
^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)  * There is no description in the Reference Manual about these commands.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40)  * We received them from the vendor, so just use them as is.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) static const struct ltk500hd1829_cmd init_code[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	{ 0xE0, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	{ 0xE1, 0x93 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	{ 0xE2, 0x65 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	{ 0xE3, 0xF8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	{ 0x80, 0x03 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	{ 0xE0, 0x04 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	{ 0x2D, 0x03 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	{ 0xE0, 0x01 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	{ 0x00, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	{ 0x01, 0xB6 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	{ 0x03, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	{ 0x04, 0xC5 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	{ 0x17, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	{ 0x18, 0xBF },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	{ 0x19, 0x01 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	{ 0x1A, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	{ 0x1B, 0xBF },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	{ 0x1C, 0x01 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	{ 0x1F, 0x7C },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	{ 0x20, 0x26 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	{ 0x21, 0x26 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	{ 0x22, 0x4E },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	{ 0x37, 0x09 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	{ 0x38, 0x04 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	{ 0x39, 0x08 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	{ 0x3A, 0x1F },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	{ 0x3B, 0x1F },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	{ 0x3C, 0x78 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	{ 0x3D, 0xFF },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	{ 0x3E, 0xFF },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	{ 0x3F, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	{ 0x40, 0x04 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	{ 0x41, 0xA0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	{ 0x43, 0x0F },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	{ 0x44, 0x0A },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	{ 0x45, 0x24 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	{ 0x55, 0x01 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	{ 0x56, 0x01 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	{ 0x57, 0xA5 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	{ 0x58, 0x0A },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	{ 0x59, 0x4A },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	{ 0x5A, 0x38 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	{ 0x5B, 0x10 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	{ 0x5C, 0x19 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	{ 0x5D, 0x7C },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	{ 0x5E, 0x64 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	{ 0x5F, 0x54 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	{ 0x60, 0x48 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	{ 0x61, 0x44 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	{ 0x62, 0x35 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	{ 0x63, 0x3A },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	{ 0x64, 0x24 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	{ 0x65, 0x3B },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	{ 0x66, 0x39 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	{ 0x67, 0x37 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	{ 0x68, 0x56 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	{ 0x69, 0x41 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	{ 0x6A, 0x47 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	{ 0x6B, 0x2F },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	{ 0x6C, 0x23 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	{ 0x6D, 0x13 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	{ 0x6E, 0x02 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	{ 0x6F, 0x08 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	{ 0x70, 0x7C },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	{ 0x71, 0x64 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	{ 0x72, 0x54 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	{ 0x73, 0x48 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	{ 0x74, 0x44 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	{ 0x75, 0x35 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	{ 0x76, 0x3A },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	{ 0x77, 0x22 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	{ 0x78, 0x3B },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	{ 0x79, 0x39 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	{ 0x7A, 0x38 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	{ 0x7B, 0x52 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	{ 0x7C, 0x41 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	{ 0x7D, 0x47 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	{ 0x7E, 0x2F },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	{ 0x7F, 0x23 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	{ 0x80, 0x13 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	{ 0x81, 0x02 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	{ 0x82, 0x08 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	{ 0xE0, 0x02 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	{ 0x00, 0x57 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	{ 0x01, 0x77 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	{ 0x02, 0x44 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	{ 0x03, 0x46 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	{ 0x04, 0x48 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	{ 0x05, 0x4A },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	{ 0x06, 0x4C },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	{ 0x07, 0x4E },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	{ 0x08, 0x50 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	{ 0x09, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	{ 0x0A, 0x52 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	{ 0x0B, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	{ 0x0C, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	{ 0x0D, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	{ 0x0E, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	{ 0x0F, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	{ 0x10, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	{ 0x11, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	{ 0x12, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	{ 0x13, 0x40 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	{ 0x14, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	{ 0x15, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	{ 0x16, 0x57 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	{ 0x17, 0x77 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	{ 0x18, 0x45 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	{ 0x19, 0x47 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	{ 0x1A, 0x49 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	{ 0x1B, 0x4B },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	{ 0x1C, 0x4D },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	{ 0x1D, 0x4F },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	{ 0x1E, 0x51 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	{ 0x1F, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	{ 0x20, 0x53 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	{ 0x21, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	{ 0x22, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	{ 0x23, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	{ 0x24, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	{ 0x25, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	{ 0x26, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	{ 0x27, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	{ 0x28, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	{ 0x29, 0x41 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	{ 0x2A, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	{ 0x2B, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	{ 0x2C, 0x57 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	{ 0x2D, 0x77 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	{ 0x2E, 0x4F },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	{ 0x2F, 0x4D },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	{ 0x30, 0x4B },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	{ 0x31, 0x49 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	{ 0x32, 0x47 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	{ 0x33, 0x45 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	{ 0x34, 0x41 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	{ 0x35, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	{ 0x36, 0x53 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	{ 0x37, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	{ 0x38, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	{ 0x39, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	{ 0x3A, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	{ 0x3B, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	{ 0x3C, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	{ 0x3D, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	{ 0x3E, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	{ 0x3F, 0x51 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	{ 0x40, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	{ 0x41, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	{ 0x42, 0x57 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	{ 0x43, 0x77 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	{ 0x44, 0x4E },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	{ 0x45, 0x4C },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	{ 0x46, 0x4A },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	{ 0x47, 0x48 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	{ 0x48, 0x46 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	{ 0x49, 0x44 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	{ 0x4A, 0x40 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	{ 0x4B, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	{ 0x4C, 0x52 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	{ 0x4D, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	{ 0x4E, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	{ 0x4F, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	{ 0x50, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	{ 0x51, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	{ 0x52, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	{ 0x53, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	{ 0x54, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	{ 0x55, 0x50 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	{ 0x56, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	{ 0x57, 0x55 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	{ 0x58, 0x40 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	{ 0x59, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	{ 0x5A, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	{ 0x5B, 0x10 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	{ 0x5C, 0x09 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	{ 0x5D, 0x30 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	{ 0x5E, 0x01 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	{ 0x5F, 0x02 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	{ 0x60, 0x30 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	{ 0x61, 0x03 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	{ 0x62, 0x04 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	{ 0x63, 0x06 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	{ 0x64, 0x6A },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	{ 0x65, 0x75 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	{ 0x66, 0x0F },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	{ 0x67, 0xB3 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	{ 0x68, 0x0B },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	{ 0x69, 0x06 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	{ 0x6A, 0x6A },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	{ 0x6B, 0x10 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	{ 0x6C, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	{ 0x6D, 0x04 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	{ 0x6E, 0x04 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	{ 0x6F, 0x88 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	{ 0x70, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	{ 0x71, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	{ 0x72, 0x06 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	{ 0x73, 0x7B },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	{ 0x74, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	{ 0x75, 0xBC },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	{ 0x76, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	{ 0x77, 0x05 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	{ 0x78, 0x2E },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	{ 0x79, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	{ 0x7A, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	{ 0x7B, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	{ 0x7C, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	{ 0x7D, 0x03 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	{ 0x7E, 0x7B },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	{ 0xE0, 0x04 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	{ 0x09, 0x10 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	{ 0x2B, 0x2B },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	{ 0x2E, 0x44 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	{ 0xE0, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	{ 0xE6, 0x02 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	{ 0xE7, 0x02 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	{ 0x35, 0x00 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) static inline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) struct ltk500hd1829 *panel_to_ltk500hd1829(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	return container_of(panel, struct ltk500hd1829, panel);
^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 int ltk500hd1829_unprepare(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	struct ltk500hd1829 *ctx = panel_to_ltk500hd1829(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	if (!ctx->prepared)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	ret = mipi_dsi_dcs_set_display_off(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 		dev_err(panel->dev, "failed to set display off: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 		dev_err(panel->dev, "failed to enter sleep mode: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	/* 120ms to enter sleep mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	msleep(120);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	regulator_disable(ctx->iovcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	regulator_disable(ctx->vcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	ctx->prepared = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) static int ltk500hd1829_prepare(struct drm_panel *panel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	struct ltk500hd1829 *ctx = panel_to_ltk500hd1829(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	if (ctx->prepared)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	ret = regulator_enable(ctx->vcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 		dev_err(ctx->dev, "Failed to enable vci supply: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	ret = regulator_enable(ctx->iovcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 		dev_err(ctx->dev, "Failed to enable iovcc supply: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 		goto disable_vcc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	/* tRW: 10us */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	usleep_range(10, 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	gpiod_set_value_cansleep(ctx->reset_gpio, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	/* tRT: >= 5ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	usleep_range(5000, 6000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	for (i = 0; i < ARRAY_SIZE(init_code); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 		ret = mipi_dsi_generic_write(dsi, &init_code[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 					     sizeof(struct ltk500hd1829_cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 		if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 			dev_err(panel->dev, "failed to write init cmds: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 			goto disable_iovcc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 		dev_err(panel->dev, "failed to exit sleep mode: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 		goto disable_iovcc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	/* 120ms to exit sleep mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	msleep(120);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	ret = mipi_dsi_dcs_set_display_on(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 		dev_err(panel->dev, "failed to set display on: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 		goto disable_iovcc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	ctx->prepared = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) disable_iovcc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	regulator_disable(ctx->iovcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) disable_vcc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	regulator_disable(ctx->vcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) static const struct drm_display_mode default_mode = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	.hdisplay	= 720,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	.hsync_start	= 720 + 50,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	.hsync_end	= 720 + 50 + 50,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	.htotal		= 720 + 50 + 50 + 50,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	.vdisplay	= 1280,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	.vsync_start	= 1280 + 30,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	.vsync_end	= 1280 + 30 + 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	.vtotal		= 1280 + 30 + 4 + 12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	.clock		= 69217,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	.width_mm	= 62,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	.height_mm	= 110,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) static int ltk500hd1829_get_modes(struct drm_panel *panel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 				  struct drm_connector *connector)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	struct ltk500hd1829 *ctx = panel_to_ltk500hd1829(panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	struct drm_display_mode *mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	mode = drm_mode_duplicate(connector->dev, &default_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	if (!mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 		dev_err(ctx->dev, "failed to add mode %ux%u@%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 			default_mode.hdisplay, default_mode.vdisplay,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 			drm_mode_vrefresh(&default_mode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	drm_mode_set_name(mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 	connector->display_info.width_mm = mode->width_mm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 	connector->display_info.height_mm = mode->height_mm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 	drm_mode_probed_add(connector, mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) static const struct drm_panel_funcs ltk500hd1829_funcs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 	.unprepare = ltk500hd1829_unprepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	.prepare = ltk500hd1829_prepare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	.get_modes = ltk500hd1829_get_modes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) static int ltk500hd1829_probe(struct mipi_dsi_device *dsi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 	struct ltk500hd1829 *ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 	struct device *dev = &dsi->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 	ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 	if (!ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 	if (IS_ERR(ctx->reset_gpio)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 		dev_err(dev, "cannot get reset gpio\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 		return PTR_ERR(ctx->reset_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	ctx->vcc = devm_regulator_get(dev, "vcc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 	if (IS_ERR(ctx->vcc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 		ret = PTR_ERR(ctx->vcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 		if (ret != -EPROBE_DEFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 			dev_err(dev, "Failed to request vcc regulator: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 	ctx->iovcc = devm_regulator_get(dev, "iovcc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 	if (IS_ERR(ctx->iovcc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 		ret = PTR_ERR(ctx->iovcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 		if (ret != -EPROBE_DEFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 			dev_err(dev, "Failed to request iovcc regulator: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 	mipi_dsi_set_drvdata(dsi, ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 	ctx->dev = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 	dsi->lanes = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 	dsi->format = MIPI_DSI_FMT_RGB888;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 			  MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	drm_panel_init(&ctx->panel, &dsi->dev, &ltk500hd1829_funcs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 		       DRM_MODE_CONNECTOR_DSI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 	ret = drm_panel_of_backlight(&ctx->panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 	drm_panel_add(&ctx->panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 	ret = mipi_dsi_attach(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) 		dev_err(dev, "mipi_dsi_attach failed: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 		drm_panel_remove(&ctx->panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) static void ltk500hd1829_shutdown(struct mipi_dsi_device *dsi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 	struct ltk500hd1829 *ctx = mipi_dsi_get_drvdata(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 	ret = drm_panel_unprepare(&ctx->panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 		dev_err(&dsi->dev, "Failed to unprepare panel: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 	ret = drm_panel_disable(&ctx->panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 		dev_err(&dsi->dev, "Failed to disable panel: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) static int ltk500hd1829_remove(struct mipi_dsi_device *dsi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 	struct ltk500hd1829 *ctx = mipi_dsi_get_drvdata(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) 	ltk500hd1829_shutdown(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) 	ret = mipi_dsi_detach(dsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) 		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) 	drm_panel_remove(&ctx->panel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) static const struct of_device_id ltk500hd1829_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) 	{ .compatible = "leadtek,ltk500hd1829", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) 	{ /* sentinel */ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) MODULE_DEVICE_TABLE(of, ltk500hd1829_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) static struct mipi_dsi_driver ltk500hd1829_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) 		.name = "panel-leadtek-ltk500hd1829",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) 		.of_match_table = ltk500hd1829_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 	.probe = ltk500hd1829_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) 	.remove = ltk500hd1829_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) 	.shutdown = ltk500hd1829_shutdown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) module_mipi_dsi_driver(ltk500hd1829_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) MODULE_AUTHOR("Heiko Stuebner <heiko.stuebner@theobroma-systems.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) MODULE_DESCRIPTION("Leadtek LTK500HD1829 panel driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) MODULE_LICENSE("GPL v2");