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tegrakernel/kernel/nvidia/drivers/video/tegra/dc/panel/panel-l-720p-5-loki.c

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initial commit tegra kernel 32.6.1
2022-02-16 09:13:02 -06:00
/*
* panel-l-720p-5-loki.c: Panel driver for l-720p-5-loki panel.
*
* Copyright (c) 2011-2018, NVIDIA Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/tegra_pwm_bl.h>
#include <linux/regulator/consumer.h>
#include <linux/backlight.h>
#include <linux/pwm_backlight.h>
#include "../dc.h"
#include "board-panel.h"
#define DSI_PANEL_RESET 1
#define DSI_PANEL_CE 0
#define DC_CTRL_MODE TEGRA_DC_OUT_CONTINUOUS_MODE
static bool reg_requested;
static bool gpio_requested;
static struct platform_device *disp_device;
static struct regulator *vdd_lcd_s_1v8;
static struct regulator *vdd_lcd_bl;
static struct regulator *vdd_lcd_bl_en;
static struct regulator *avdd_lcd_3v0_2v8;
static u16 en_panel_rst;
static struct tegra_dc_cmu dsi_l_720p_5_loki_cmu = {
/* lut1 maps sRGB to linear space. */
{
0, 1, 2, 4, 5, 6, 7, 9,
10, 11, 12, 14, 15, 16, 18, 20,
21, 23, 25, 27, 29, 31, 33, 35,
37, 40, 42, 45, 48, 50, 53, 56,
59, 62, 66, 69, 72, 76, 79, 83,
87, 91, 95, 99, 103, 107, 112, 116,
121, 126, 131, 136, 141, 146, 151, 156,
162, 168, 173, 179, 185, 191, 197, 204,
210, 216, 223, 230, 237, 244, 251, 258,
265, 273, 280, 288, 296, 304, 312, 320,
329, 337, 346, 354, 363, 372, 381, 390,
400, 409, 419, 428, 438, 448, 458, 469,
479, 490, 500, 511, 522, 533, 544, 555,
567, 578, 590, 602, 614, 626, 639, 651,
664, 676, 689, 702, 715, 728, 742, 755,
769, 783, 797, 811, 825, 840, 854, 869,
884, 899, 914, 929, 945, 960, 976, 992,
1008, 1024, 1041, 1057, 1074, 1091, 1108, 1125,
1142, 1159, 1177, 1195, 1213, 1231, 1249, 1267,
1286, 1304, 1323, 1342, 1361, 1381, 1400, 1420,
1440, 1459, 1480, 1500, 1520, 1541, 1562, 1582,
1603, 1625, 1646, 1668, 1689, 1711, 1733, 1755,
1778, 1800, 1823, 1846, 1869, 1892, 1916, 1939,
1963, 1987, 2011, 2035, 2059, 2084, 2109, 2133,
2159, 2184, 2209, 2235, 2260, 2286, 2312, 2339,
2365, 2392, 2419, 2446, 2473, 2500, 2527, 2555,
2583, 2611, 2639, 2668, 2696, 2725, 2754, 2783,
2812, 2841, 2871, 2901, 2931, 2961, 2991, 3022,
3052, 3083, 3114, 3146, 3177, 3209, 3240, 3272,
3304, 3337, 3369, 3402, 3435, 3468, 3501, 3535,
3568, 3602, 3636, 3670, 3705, 3739, 3774, 3809,
3844, 3879, 3915, 3950, 3986, 4022, 4059, 4095,
},
/* csc */
{
0x100, 0x0, 0x0,
0x0, 0x100, 0x0,
0x0, 0x0, 0x100,
},
/* lut2 maps linear space to sRGB*/
{
0, 0, 1, 2, 3, 3, 4, 5,
6, 6, 7, 8, 8, 9, 10, 10,
11, 12, 12, 13, 13, 14, 14, 15,
16, 16, 17, 17, 18, 18, 19, 19,
19, 20, 20, 21, 21, 22, 22, 22,
23, 23, 24, 24, 24, 25, 25, 25,
26, 26, 27, 27, 27, 28, 28, 28,
28, 29, 29, 29, 30, 30, 30, 31,
31, 31, 31, 32, 32, 32, 33, 33,
33, 33, 34, 34, 34, 35, 35, 35,
35, 36, 36, 36, 36, 37, 37, 37,
38, 38, 38, 38, 39, 39, 39, 39,
40, 40, 40, 40, 40, 41, 41, 41,
41, 42, 42, 42, 42, 43, 43, 43,
43, 43, 44, 44, 44, 44, 45, 45,
45, 45, 45, 46, 46, 46, 46, 46,
47, 47, 47, 47, 47, 48, 48, 48,
48, 48, 49, 49, 49, 49, 49, 49,
50, 50, 50, 50, 50, 50, 51, 51,
51, 51, 51, 51, 52, 52, 52, 52,
52, 52, 53, 53, 53, 53, 53, 53,
54, 54, 54, 54, 54, 54, 54, 55,
55, 55, 55, 55, 55, 55, 55, 56,
56, 56, 56, 56, 56, 56, 57, 57,
57, 57, 57, 57, 57, 57, 58, 58,
58, 58, 58, 58, 58, 58, 58, 59,
59, 59, 59, 59, 59, 59, 59, 59,
60, 60, 60, 60, 60, 60, 60, 60,
60, 61, 61, 61, 61, 61, 61, 61,
61, 61, 61, 62, 62, 62, 62, 62,
62, 62, 62, 62, 62, 63, 63, 63,
63, 63, 63, 63, 63, 63, 63, 63,
64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 65, 65, 65, 65, 65,
65, 65, 65, 65, 65, 65, 66, 66,
66, 66, 66, 66, 66, 66, 66, 66,
66, 66, 67, 67, 67, 67, 67, 67,
67, 67, 67, 67, 67, 67, 68, 68,
68, 68, 68, 68, 68, 68, 68, 68,
68, 68, 69, 69, 69, 69, 69, 69,
69, 69, 69, 69, 69, 69, 70, 70,
70, 70, 70, 70, 70, 70, 70, 70,
70, 70, 70, 71, 71, 71, 71, 71,
71, 71, 71, 71, 71, 71, 71, 71,
72, 72, 72, 72, 72, 72, 72, 72,
72, 72, 72, 72, 72, 73, 73, 73,
73, 73, 73, 73, 73, 73, 73, 73,
73, 73, 73, 74, 74, 74, 74, 74,
74, 74, 74, 74, 74, 74, 74, 74,
75, 75, 75, 75, 75, 75, 75, 75,
75, 75, 75, 75, 75, 75, 76, 76,
76, 76, 76, 76, 76, 76, 76, 76,
76, 76, 76, 76, 77, 77, 77, 77,
77, 77, 77, 77, 77, 77, 77, 77,
77, 77, 78, 78, 78, 78, 78, 78,
78, 78, 78, 78, 78, 78, 78, 78,
79, 79, 79, 79, 79, 79, 79, 79,
79, 79, 79, 79, 79, 79, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 81, 81, 81, 81,
81, 81, 81, 81, 81, 81, 81, 81,
81, 81, 82, 82, 82, 82, 82, 82,
82, 82, 82, 82, 82, 82, 82, 82,
83, 83, 83, 83, 83, 83, 83, 83,
84, 84, 85, 85, 86, 86, 87, 88,
88, 89, 89, 90, 90, 91, 92, 92,
93, 93, 94, 94, 95, 95, 96, 96,
97, 97, 98, 98, 99, 99, 100, 100,
101, 101, 102, 102, 103, 103, 104, 104,
105, 105, 106, 106, 107, 107, 107, 108,
108, 109, 109, 110, 110, 111, 111, 111,
112, 112, 113, 113, 114, 114, 114, 115,
115, 116, 116, 117, 117, 117, 118, 118,
119, 119, 119, 120, 120, 121, 121, 121,
122, 122, 123, 123, 123, 124, 124, 125,
125, 126, 126, 126, 127, 127, 128, 128,
128, 129, 129, 129, 130, 130, 131, 131,
131, 132, 132, 133, 133, 133, 134, 134,
135, 135, 135, 136, 136, 137, 137, 137,
138, 138, 138, 139, 139, 140, 140, 140,
141, 141, 142, 142, 142, 143, 143, 143,
144, 144, 145, 145, 145, 146, 146, 146,
147, 147, 147, 148, 148, 149, 149, 149,
150, 150, 150, 151, 151, 151, 152, 152,
153, 153, 153, 154, 154, 154, 155, 155,
156, 156, 156, 157, 157, 157, 158, 158,
159, 159, 159, 160, 160, 160, 161, 161,
162, 162, 162, 163, 163, 164, 164, 164,
165, 165, 166, 166, 166, 167, 167, 168,
168, 168, 169, 169, 170, 170, 170, 171,
171, 172, 172, 172, 173, 173, 173, 174,
174, 175, 175, 175, 176, 176, 176, 177,
177, 177, 178, 178, 178, 179, 179, 179,
180, 180, 180, 180, 181, 181, 181, 182,
182, 182, 182, 183, 183, 183, 184, 184,
184, 184, 185, 185, 185, 185, 186, 186,
186, 186, 187, 187, 187, 187, 188, 188,
188, 188, 189, 189, 189, 190, 190, 190,
190, 191, 191, 191, 191, 192, 192, 192,
193, 193, 193, 193, 194, 194, 194, 195,
195, 195, 195, 196, 196, 196, 197, 197,
197, 198, 198, 198, 198, 199, 199, 199,
200, 200, 200, 201, 201, 201, 202, 202,
202, 203, 203, 204, 204, 204, 205, 205,
205, 206, 206, 206, 207, 207, 208, 208,
208, 209, 209, 209, 210, 210, 211, 211,
211, 212, 212, 213, 213, 213, 214, 214,
215, 215, 215, 216, 216, 217, 217, 217,
218, 218, 218, 219, 219, 220, 220, 220,
221, 221, 221, 222, 222, 222, 223, 223,
223, 224, 224, 224, 225, 225, 225, 225,
226, 226, 226, 226, 227, 227, 227, 227,
228, 228, 228, 228, 229, 229, 229, 229,
229, 230, 230, 230, 230, 231, 231, 231,
231, 232, 232, 232, 233, 233, 233, 233,
234, 234, 234, 235, 235, 235, 236, 236,
236, 237, 237, 238, 238, 239, 239, 239,
240, 240, 241, 241, 242, 242, 243, 244,
244, 245, 245, 246, 247, 247, 248, 249,
250, 250, 251, 252, 253, 254, 254, 255,
},
};
static u8 panel_dsi_config[] = {0xe0, 0x43, 0x0, 0x80, 0x0, 0x0};
static u8 panel_disp_ctrl1[] = {0xb5, 0x34, 0x20, 0x40, 0x0, 0x20};
static u8 panel_disp_ctrl2[] = {0xb6, 0x04, 0x74, 0x0f, 0x16, 0x13};
static u8 panel_internal_clk[] = {0xc0, 0x01, 0x08};
static u8 panel_pwr_ctrl3[] = {
0xc3, 0x0, 0x09, 0x10, 0x02, 0x0, 0x66, 0x00, 0x13, 0x0};
static u8 panel_pwr_ctrl4[] = {0xc4, 0x23, 0x24, 0x12, 0x12, 0x60};
static u8 panel_positive_gamma_red[] = {
0xd0, 0x21, 0x25, 0x67, 0x36, 0x0a, 0x06, 0x61, 0x23, 0x03};
static u8 panel_negetive_gamma_red[] = {
0xd1, 0x31, 0x25, 0x66, 0x36, 0x05, 0x06, 0x61, 0x23, 0x03};
static u8 panel_positive_gamma_green[] = {
0xd2, 0x41, 0x26, 0x56, 0x36, 0x0a, 0x06, 0x61, 0x23, 0x03};
static u8 panel_negetive_gamma_green[] = {
0xd3, 0x51, 0x26, 0x55, 0x36, 0x05, 0x06, 0x61, 0x23, 0x03};
static u8 panel_positive_gamma_blue[] = {
0xd4, 0x41, 0x26, 0x56, 0x36, 0x0a, 0x06, 0x61, 0x23, 0x03};
static u8 panel_negetive_gamma_blue[] = {
0xd5, 0x51, 0x26, 0x55, 0x36, 0x05, 0x06, 0x61, 0x23, 0x03};
#if DSI_PANEL_CE
static u8 panel_ce2[] = {0x71, 0x0, 0x0, 0x01, 0x01};
static u8 panel_ce3[] = {0x72, 0x01, 0x0e};
static u8 panel_ce4[] = {0x73, 0x34, 0x52, 0x0};
static u8 panel_ce5[] = {0x74, 0x05, 0x0, 0x06};
static u8 panel_ce6[] = {0x75, 0x03, 0x0, 0x07};
static u8 panel_ce7[] = {0x76, 0x07, 0x0, 0x06};
static u8 panel_ce8[] = {0x77, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f};
static u8 panel_ce9[] = {0x78, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40};
static u8 panel_ce10[] = {
0x79, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40};
static u8 panel_ce11[] = {0x7a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
static u8 panel_ce12[] = {0x7b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
static u8 panel_ce13[] = {0x7c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
#endif
static struct tegra_dsi_cmd dsi_init_cmd[] = {
DSI_DLY_MS(20),
DSI_GPIO_SET(0, 1), /* use dummy gpio */
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_dsi_config),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_disp_ctrl1),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_disp_ctrl2),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_internal_clk),
/* panel power control 1 */
DSI_CMD_SHORT(DSI_GENERIC_SHORT_WRITE_2_PARAMS, 0xc1, 0x0),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_pwr_ctrl3),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_pwr_ctrl4),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_positive_gamma_red),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_negetive_gamma_red),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_positive_gamma_green),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_negetive_gamma_green),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_positive_gamma_blue),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_negetive_gamma_blue),
DSI_CMD_SHORT(DSI_DCS_WRITE_1_PARAM, DSI_DCS_SET_ADDR_MODE, 0x0B),
/* panel OTP 2 */
DSI_CMD_SHORT(DSI_GENERIC_SHORT_WRITE_2_PARAMS, 0xf9, 0x0),
#if DSI_PANEL_CE
/* panel CE 1 */
DSI_CMD_SHORT(DSI_GENERIC_SHORT_WRITE_2_PARAMS, 0x70, 0x0),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_ce2),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_ce3),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_ce4),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_ce5),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_ce6),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_ce7),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_ce8),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_ce9),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_ce10),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_ce11),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_ce12),
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_ce13),
#endif
/* panel power control 2 */
DSI_CMD_SHORT(DSI_GENERIC_SHORT_WRITE_2_PARAMS, 0xc2, 0x02),
DSI_DLY_MS(20),
/* panel power control 2 */
DSI_CMD_SHORT(DSI_GENERIC_SHORT_WRITE_2_PARAMS, 0xc2, 0x06),
DSI_DLY_MS(20),
/* panel power control 2 */
DSI_CMD_SHORT(DSI_GENERIC_SHORT_WRITE_2_PARAMS, 0xc2, 0x4e),
DSI_DLY_MS(100),
DSI_CMD_SHORT(DSI_DCS_WRITE_0_PARAM, DSI_DCS_EXIT_SLEEP_MODE, 0x0),
DSI_DLY_MS(140),
/* panel OTP 2 */
DSI_CMD_SHORT(DSI_GENERIC_SHORT_WRITE_2_PARAMS, 0xf9, 0x80),
DSI_DLY_MS(20),
DSI_CMD_SHORT(DSI_DCS_WRITE_0_PARAM, DSI_DCS_SET_DISPLAY_ON, 0x0),
};
static u8 panel_suspend_pwr_ctrl4[] = {0xc4, 0x0, 0x0, 0x0, 0x0, 0x0};
static struct tegra_dsi_cmd dsi_suspend_cmd[] = {
DSI_DLY_MS(40),
DSI_CMD_SHORT(DSI_DCS_WRITE_0_PARAM, DSI_DCS_SET_DISPLAY_OFF, 0x0),
DSI_DLY_MS(20),
DSI_CMD_SHORT(DSI_DCS_WRITE_0_PARAM, DSI_DCS_ENTER_SLEEP_MODE, 0x0),
/* panel power control 2 */
DSI_CMD_SHORT(DSI_GENERIC_SHORT_WRITE_2_PARAMS, 0xc2, 0x0),
/* panel power control 4 */
DSI_CMD_LONG(DSI_GENERIC_LONG_WRITE, panel_suspend_pwr_ctrl4),
/* panel power control 1 */
DSI_CMD_SHORT(DSI_GENERIC_SHORT_WRITE_2_PARAMS, 0xc1, 0x2),
DSI_DLY_MS(20),
/* panel power control 1 */
DSI_CMD_SHORT(DSI_GENERIC_SHORT_WRITE_2_PARAMS, 0xc1, 0x3),
DSI_DLY_MS(20),
};
static struct tegra_dsi_out dsi_l_720p_5_loki_pdata = {
.n_data_lanes = 4,
.controller_vs = DSI_VS_1,
.pixel_format = TEGRA_DSI_PIXEL_FORMAT_24BIT_P,
.refresh_rate = 60,
.virtual_channel = TEGRA_DSI_VIRTUAL_CHANNEL_0,
.panel_reset = DSI_PANEL_RESET,
.power_saving_suspend = true,
.video_data_type = TEGRA_DSI_VIDEO_TYPE_VIDEO_MODE,
.video_clock_mode = TEGRA_DSI_VIDEO_CLOCK_CONTINUOUS,
.video_burst_mode = TEGRA_DSI_VIDEO_NONE_BURST_MODE_WITH_SYNC_END,
.dsi_init_cmd = dsi_init_cmd,
.n_init_cmd = ARRAY_SIZE(dsi_init_cmd),
.dsi_suspend_cmd = dsi_suspend_cmd,
.n_suspend_cmd = ARRAY_SIZE(dsi_suspend_cmd),
.ulpm_not_supported = true,
};
static int dsi_l_720p_5_loki_regulator_get(struct device *dev)
{
int err = 0;
if (reg_requested)
return 0;
avdd_lcd_3v0_2v8 = regulator_get(dev, "avdd_lcd");
if (IS_ERR(avdd_lcd_3v0_2v8)) {
pr_err("avdd_lcd regulator get failed\n");
err = PTR_ERR(avdd_lcd_3v0_2v8);
avdd_lcd_3v0_2v8 = NULL;
goto fail;
}
vdd_lcd_s_1v8 = regulator_get(dev, "dvdd_lcd");
if (IS_ERR(vdd_lcd_s_1v8)) {
pr_err("vdd_lcd_1v8_s regulator get failed\n");
err = PTR_ERR(vdd_lcd_s_1v8);
vdd_lcd_s_1v8 = NULL;
goto fail;
}
vdd_lcd_bl_en = regulator_get(dev, "vdd_lcd_bl_en");
if (IS_ERR(vdd_lcd_bl_en)) {
pr_err("vdd_lcd_bl_en regulator get failed\n");
err = PTR_ERR(vdd_lcd_bl_en);
vdd_lcd_bl_en = NULL;
goto fail;
}
reg_requested = true;
return 0;
fail:
return err;
}
static int dsi_l_720p_5_loki_gpio_get(void)
{
int err = 0;
if (gpio_requested)
return 0;
err = gpio_request(dsi_l_720p_5_loki_pdata.dsi_panel_rst_gpio,
"panel rst");
if (err < 0) {
pr_err("panel reset gpio request failed\n");
goto fail;
}
err = gpio_request(dsi_l_720p_5_loki_pdata.dsi_panel_bl_pwm_gpio,
"panel pwm");
if (err) {
pr_err("panel backlight pwm gpio request failed\n");
return err;
}
gpio_free(dsi_l_720p_5_loki_pdata.dsi_panel_bl_pwm_gpio);
gpio_requested = true;
return 0;
fail:
return err;
}
static int dsi_l_720p_5_loki_enable(struct device *dev)
{
int err = 0;
err = dsi_l_720p_5_loki_regulator_get(dev);
if (err < 0) {
pr_err("dsi regulator get failed\n");
goto fail;
}
err = tegra_panel_gpio_get_dt("l,720p-5-0", &panel_of);
if (err < 0) {
err = dsi_l_720p_5_loki_gpio_get();
if (err < 0) {
pr_err("dsi gpio request failed\n");
goto fail;
}
}
/* If panel rst gpio is specified in device tree,
* use that.
*/
if (gpio_is_valid(panel_of.panel_gpio[TEGRA_GPIO_RESET]))
en_panel_rst = panel_of.panel_gpio[TEGRA_GPIO_RESET];
else
en_panel_rst =
dsi_l_720p_5_loki_pdata.dsi_panel_rst_gpio;
/* Skip panel programming if in initialized mode */
if (!tegra_dc_initialized(dev)) {
dsi_l_720p_5_loki_pdata.dsi_init_cmd = dsi_init_cmd;
gpio_set_value(en_panel_rst, 0);
} else {
dsi_l_720p_5_loki_pdata.dsi_init_cmd = dsi_init_cmd + 2;
}
if (vdd_lcd_s_1v8) {
err = regulator_enable(vdd_lcd_s_1v8);
if (err < 0) {
pr_err("vdd_lcd_1v8_s regulator enable failed\n");
goto fail;
}
}
usleep_range(3000, 5000);
if (avdd_lcd_3v0_2v8) {
err = regulator_enable(avdd_lcd_3v0_2v8);
if (err < 0) {
pr_err("avdd_lcd_3v0_2v8 regulator enable failed\n");
goto fail;
}
regulator_set_voltage(avdd_lcd_3v0_2v8, 2800000, 2800000);
}
usleep_range(3000, 5000);
if (vdd_lcd_bl) {
err = regulator_enable(vdd_lcd_bl);
if (err < 0) {
pr_err("vdd_lcd_bl regulator enable failed\n");
goto fail;
}
}
if (vdd_lcd_bl_en) {
err = regulator_enable(vdd_lcd_bl_en);
if (err < 0) {
pr_err("vdd_lcd_bl_en regulator enable failed\n");
goto fail;
}
}
return 0;
fail:
return err;
}
static int dsi_l_720p_5_loki_disable(struct device *dev)
{
if (vdd_lcd_bl)
regulator_disable(vdd_lcd_bl);
if (vdd_lcd_bl_en)
regulator_disable(vdd_lcd_bl_en);
gpio_set_value(en_panel_rst, 0);
mdelay(20);
if (vdd_lcd_s_1v8)
regulator_disable(vdd_lcd_s_1v8);
if (avdd_lcd_3v0_2v8)
regulator_disable(avdd_lcd_3v0_2v8);
return 0;
}
static int dsi_l_720p_5_loki_postsuspend(void)
{
/* TODO */
return 0;
}
static struct tegra_dc_mode dsi_l_720p_5_loki_modes[] = {
{
.pclk = 66700000,
.h_ref_to_sync = 4,
.v_ref_to_sync = 1,
.h_sync_width = 4,
.v_sync_width = 4,
.h_back_porch = 112,
.v_back_porch = 12,
.h_active = 720,
.v_active = 1280,
.h_front_porch = 12,
.v_front_porch = 8,
},
};
static int dsi_l_720p_5_loki_bl_notify(struct device *dev, int brightness)
{
struct backlight_device *bl = NULL;
struct pwm_bl_data *pb = NULL;
bl = (struct backlight_device *)dev_get_drvdata(dev);
pb = (struct pwm_bl_data *)dev_get_drvdata(&bl->dev);
/* Apply any backlight response curve */
if (brightness > 255)
pr_info("Error: Brightness > 255!\n");
else if (pb->bl_measured)
brightness = pb->bl_measured[brightness];
return brightness;
}
static int dsi_l_720p_5_loki_check_fb(struct device *dev, struct fb_info *info)
{
struct platform_device *pdev = NULL;
pdev = to_platform_device(bus_find_device_by_name(
&platform_bus_type, NULL, "tegradc.0"));
return info->device == &pdev->dev;
}
static struct platform_pwm_backlight_data dsi_l_720p_5_loki_bl_data = {
.pwm_id = 1,
.max_brightness = 255,
.dft_brightness = 77,
.pwm_period_ns = 40000,
.notify = dsi_l_720p_5_loki_bl_notify,
/* Only toggle backlight on fb blank notifications for disp1 */
.check_fb = dsi_l_720p_5_loki_check_fb,
};
static struct platform_device __maybe_unused
dsi_l_720p_5_loki_bl_device = {
.name = "pwm-backlight",
.id = -1,
.dev = {
.platform_data = &dsi_l_720p_5_loki_bl_data,
},
};
static struct platform_device __maybe_unused
*loki_bl_device[] __initdata = {
&dsi_l_720p_5_loki_bl_device,
};
static int dsi_l_720p_5_loki_register_bl_dev(void)
{
int err = 0;
struct device_node *dc1_node = NULL;
struct device_node *dc2_node = NULL;
struct device_node *pwm_bl_node = NULL;
find_dc_node(&dc1_node, &dc2_node);
pwm_bl_node = of_find_compatible_node(NULL, NULL,
"pwm-backlight");
if (!of_have_populated_dt() || !dc1_node ||
!of_device_is_available(dc1_node) ||
!pwm_bl_node ||
!of_device_is_available(pwm_bl_node)) {
err = platform_device_register(&dsi_l_720p_5_loki_bl_device);
if (err) {
pr_err("disp1 bl device registration failed");
of_node_put(pwm_bl_node);
return err;
}
}
of_node_put(pwm_bl_node);
return err;
}
static void dsi_l_720p_5_loki_set_disp_device
(struct platform_device *display_device)
{
disp_device = display_device;
}
static void dsi_l_720p_5_loki_dc_out_init(struct tegra_dc_out *dc)
{
dc->dsi = &dsi_l_720p_5_loki_pdata;
dc->modes = dsi_l_720p_5_loki_modes;
dc->n_modes = ARRAY_SIZE(dsi_l_720p_5_loki_modes);
dc->enable = dsi_l_720p_5_loki_enable;
dc->disable = dsi_l_720p_5_loki_disable;
dc->postsuspend = dsi_l_720p_5_loki_postsuspend;
dc->width = 62;
dc->height = 110;
dc->rotation = 90;
/*
* only thor panel supports initialized mode
*/
dc->flags = DC_CTRL_MODE | TEGRA_DC_OUT_INITIALIZED_MODE;
}
static void dsi_l_720p_5_loki_fb_data_init(struct tegra_fb_data *fb)
{
fb->xres = dsi_l_720p_5_loki_modes[0].h_active;
fb->yres = dsi_l_720p_5_loki_modes[0].v_active;
}
static void dsi_l_720p_5_loki_cmu_init(struct tegra_dc_platform_data *pdata)
{
pdata->cmu = &dsi_l_720p_5_loki_cmu;
}
static struct pwm_bl_data_dt_ops dsi_l_720p_5_loki_pwm_bl_ops = {
.notify = dsi_l_720p_5_loki_bl_notify,
.check_fb = dsi_l_720p_5_loki_check_fb,
.blnode_compatible = "l,720p-5-0-bl",
};
struct tegra_panel_ops dsi_l_720p_5_loki_ops = {
.enable = dsi_l_720p_5_loki_enable,
.disable = dsi_l_720p_5_loki_disable,
.postsuspend = dsi_l_720p_5_loki_postsuspend,
.pwm_bl_ops = &dsi_l_720p_5_loki_pwm_bl_ops,
};
struct tegra_panel __initdata dsi_l_720p_5_loki = {
.init_dc_out = dsi_l_720p_5_loki_dc_out_init,
.init_fb_data = dsi_l_720p_5_loki_fb_data_init,
.set_disp_device = dsi_l_720p_5_loki_set_disp_device,
.register_bl_dev = dsi_l_720p_5_loki_register_bl_dev,
.init_cmu_data = dsi_l_720p_5_loki_cmu_init,
};
EXPORT_SYMBOL(dsi_l_720p_5_loki);