M7350/kernel/drivers/video/msm/mipi_truly.c
2024-09-09 08:52:07 +00:00

273 lines
6.6 KiB
C

/* Copyright (c) 2011-2012, The Linux Foundation. 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 version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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.
*
*/
#include "msm_fb.h"
#include "mipi_dsi.h"
#include "mipi_truly.h"
static struct msm_panel_common_pdata *mipi_truly_pdata;
static struct dsi_buf truly_tx_buf;
static struct dsi_buf truly_rx_buf;
#define TRULY_CMD_DELAY 0
#define TRULY_SLEEP_OFF_DELAY 150
#define TRULY_DISPLAY_ON_DELAY 150
#define GPIO_TRULY_LCD_RESET 129
static int prev_bl = 17;
static char extend_cmd_enable[4] = {0xB9, 0xFF, 0x83, 0x69};
static char display_setting[16] = {
0xB2, 0x00, 0x23, 0x62,
0x62, 0x70, 0x00, 0xFF,
0x00, 0x00, 0x00, 0x00,
0x03, 0x03, 0x00, 0x01,
};
static char wave_cycle_setting[6] = {0xB4, 0x00, 0x1D, 0x5F, 0x0E, 0x06};
static char gip_setting[27] = {
0xD5, 0x00, 0x04, 0x03,
0x00, 0x01, 0x05, 0x1C,
0x70, 0x01, 0x03, 0x00,
0x00, 0x40, 0x06, 0x51,
0x07, 0x00, 0x00, 0x41,
0x06, 0x50, 0x07, 0x07,
0x0F, 0x04, 0x00,
};
static char power_setting[20] = {
0xB1, 0x01, 0x00, 0x34,
0x06, 0x00, 0x0F, 0x0F,
0x2A, 0x32, 0x3F, 0x3F,
0x07, 0x3A, 0x01, 0xE6,
0xE6, 0xE6, 0xE6, 0xE6,
};
static char vcom_setting[3] = {0xB6, 0x56, 0x56};
static char pannel_setting[2] = {0xCC, 0x02};
static char gamma_setting[35] = {
0xE0, 0x00, 0x1D, 0x22,
0x38, 0x3D, 0x3F, 0x2E,
0x4A, 0x06, 0x0D, 0x0F,
0x13, 0x15, 0x13, 0x16,
0x10, 0x19, 0x00, 0x1D,
0x22, 0x38, 0x3D, 0x3F,
0x2E, 0x4A, 0x06, 0x0D,
0x0F, 0x13, 0x15, 0x13,
0x16, 0x10, 0x19,
};
static char mipi_setting[14] = {
0xBA, 0x00, 0xA0, 0xC6,
0x00, 0x0A, 0x00, 0x10,
0x30, 0x6F, 0x02, 0x11,
0x18, 0x40,
};
static char exit_sleep[2] = {0x11, 0x00};
static char display_on[2] = {0x29, 0x00};
static char display_off[2] = {0x28, 0x00};
static char enter_sleep[2] = {0x10, 0x00};
static struct dsi_cmd_desc truly_display_off_cmds[] = {
{DTYPE_DCS_WRITE, 1, 0, 0, 10, sizeof(display_off), display_off},
{DTYPE_DCS_WRITE, 1, 0, 0, 120, sizeof(enter_sleep), enter_sleep}
};
static struct dsi_cmd_desc truly_display_on_cmds[] = {
{DTYPE_GEN_LWRITE, 1, 0, 0, TRULY_CMD_DELAY,
sizeof(extend_cmd_enable), extend_cmd_enable},
{DTYPE_GEN_LWRITE, 1, 0, 0, TRULY_CMD_DELAY,
sizeof(display_setting), display_setting},
{DTYPE_GEN_LWRITE, 1, 0, 0, TRULY_CMD_DELAY,
sizeof(wave_cycle_setting), wave_cycle_setting},
{DTYPE_GEN_LWRITE, 1, 0, 0, TRULY_CMD_DELAY,
sizeof(gip_setting), gip_setting},
{DTYPE_GEN_LWRITE, 1, 0, 0, TRULY_CMD_DELAY,
sizeof(power_setting), power_setting},
{DTYPE_GEN_LWRITE, 1, 0, 0, TRULY_CMD_DELAY,
sizeof(vcom_setting), vcom_setting},
{DTYPE_GEN_LWRITE, 1, 0, 0, TRULY_CMD_DELAY,
sizeof(pannel_setting), pannel_setting},
{DTYPE_GEN_LWRITE, 1, 0, 0, TRULY_CMD_DELAY,
sizeof(gamma_setting), gamma_setting},
{DTYPE_GEN_LWRITE, 1, 0, 0, TRULY_CMD_DELAY,
sizeof(mipi_setting), mipi_setting},
{DTYPE_DCS_WRITE, 1, 0, 0, TRULY_SLEEP_OFF_DELAY,
sizeof(exit_sleep), exit_sleep},
{DTYPE_DCS_WRITE, 1, 0, 0, TRULY_DISPLAY_ON_DELAY,
sizeof(display_on), display_on},
};
static int mipi_truly_lcd_on(struct platform_device *pdev)
{
struct msm_fb_data_type *mfd;
struct dcs_cmd_req cmdreq;
mfd = platform_get_drvdata(pdev);
if (!mfd)
return -ENODEV;
if (mfd->key != MFD_KEY)
return -EINVAL;
msleep(20);
memset(&cmdreq, 0, sizeof(cmdreq));
cmdreq.cmds = truly_display_on_cmds;
cmdreq.cmds_cnt = ARRAY_SIZE(truly_display_on_cmds);
cmdreq.flags = CMD_REQ_COMMIT;
cmdreq.rlen = 0;
cmdreq.cb = NULL;
mipi_dsi_cmdlist_put(&cmdreq);
return 0;
}
static int mipi_truly_lcd_off(struct platform_device *pdev)
{
struct msm_fb_data_type *mfd;
struct dcs_cmd_req cmdreq;
mfd = platform_get_drvdata(pdev);
if (!mfd)
return -ENODEV;
if (mfd->key != MFD_KEY)
return -EINVAL;
memset(&cmdreq, 0, sizeof(cmdreq));
cmdreq.cmds = truly_display_off_cmds;
cmdreq.cmds_cnt = ARRAY_SIZE(truly_display_off_cmds);
cmdreq.flags = CMD_REQ_COMMIT;
cmdreq.rlen = 0;
cmdreq.cb = NULL;
mipi_dsi_cmdlist_put(&cmdreq);
return 0;
}
#define BL_LEVEL 17
static void mipi_truly_set_backlight(struct msm_fb_data_type *mfd)
{
int step = 0, i = 0;
int bl_level = mfd->bl_level;
/* real backlight level, 1 - max, 16 - min, 17 - off */
bl_level = BL_LEVEL - bl_level;
if (bl_level > prev_bl) {
step = bl_level - prev_bl;
if (bl_level == BL_LEVEL)
step--;
} else if (bl_level < prev_bl) {
step = bl_level + 16 - prev_bl;
} else {
pr_debug("%s: no change\n", __func__);
return;
}
if (bl_level == BL_LEVEL) {
/* turn off backlight */
mipi_truly_pdata->pmic_backlight(0);
} else {
if (prev_bl == BL_LEVEL) {
/* turn on backlight */
mipi_truly_pdata->pmic_backlight(1);
udelay(30);
}
/* adjust backlight level */
for (i = 0; i < step; i++) {
mipi_truly_pdata->pmic_backlight(0);
udelay(1);
mipi_truly_pdata->pmic_backlight(1);
udelay(1);
}
}
msleep(20);
prev_bl = bl_level;
return;
}
static int __devinit mipi_truly_lcd_probe(struct platform_device *pdev)
{
if (pdev->id == 0) {
mipi_truly_pdata = pdev->dev.platform_data;
return 0;
}
msm_fb_add_device(pdev);
return 0;
}
static struct platform_driver this_driver = {
.probe = mipi_truly_lcd_probe,
.driver = {
.name = "mipi_truly",
},
};
static struct msm_fb_panel_data truly_panel_data = {
.on = mipi_truly_lcd_on,
.off = mipi_truly_lcd_off,
.set_backlight = mipi_truly_set_backlight,
};
static int ch_used[3];
int mipi_truly_device_register(struct msm_panel_info *pinfo,
u32 channel, u32 panel)
{
struct platform_device *pdev = NULL;
int ret;
if ((channel >= 3) || ch_used[channel])
return -ENODEV;
ch_used[channel] = TRUE;
pdev = platform_device_alloc("mipi_truly", (panel << 8)|channel);
if (!pdev)
return -ENOMEM;
truly_panel_data.panel_info = *pinfo;
ret = platform_device_add_data(pdev, &truly_panel_data,
sizeof(truly_panel_data));
if (ret) {
pr_err("%s: platform_device_add_data failed!\n", __func__);
goto err_device_put;
}
ret = platform_device_add(pdev);
if (ret) {
pr_err("%s: platform_device_register failed!\n", __func__);
goto err_device_put;
}
return 0;
err_device_put:
platform_device_put(pdev);
return ret;
}
static int __init mipi_truly_lcd_init(void)
{
mipi_dsi_buf_alloc(&truly_tx_buf, DSI_BUF_SIZE);
mipi_dsi_buf_alloc(&truly_rx_buf, DSI_BUF_SIZE);
return platform_driver_register(&this_driver);
}
module_init(mipi_truly_lcd_init);