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

135 lines
3.1 KiB
C

/* Copyright (c) 2009-2010, 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 "mddihost.h"
#include "mddihosti.h"
#include "mddi_toshiba.h"
static uint32 read_client_reg(uint32 addr)
{
uint32 val;
mddi_queue_register_read(addr, &val, TRUE, 0);
return val;
}
static uint32 toshiba_lcd_gpio_read(void)
{
uint32 val;
write_client_reg(GPIODIR, 0x0000000C, TRUE);
write_client_reg(GPIOSEL, 0x00000000, TRUE);
write_client_reg(GPIOSEL, 0x00000000, TRUE);
write_client_reg(GPIOPC, 0x03CF00C0, TRUE);
val = read_client_reg(GPIODATA) & 0x2C0;
return val;
}
static u32 mddi_toshiba_panel_detect(void)
{
mddi_host_type host_idx = MDDI_HOST_PRIM;
uint32 lcd_gpio;
u32 mddi_toshiba_lcd = LCD_TOSHIBA_2P4_VGA;
/* Toshiba display requires larger drive_lo value */
mddi_host_reg_out(DRIVE_LO, 0x0050);
lcd_gpio = toshiba_lcd_gpio_read();
switch (lcd_gpio) {
case 0x0080:
mddi_toshiba_lcd = LCD_SHARP_2P4_VGA;
break;
case 0x00C0:
default:
mddi_toshiba_lcd = LCD_TOSHIBA_2P4_VGA;
break;
}
return mddi_toshiba_lcd;
}
static int __init mddi_toshiba_vga_init(void)
{
int ret;
struct msm_panel_info pinfo;
u32 panel;
#ifdef CONFIG_FB_MSM_MDDI_AUTO_DETECT
u32 id;
ret = msm_fb_detect_client("mddi_toshiba_vga");
if (ret == -ENODEV)
return 0;
if (ret) {
id = mddi_get_client_id();
if ((id >> 16) != 0xD263)
return 0;
}
#endif
panel = mddi_toshiba_panel_detect();
pinfo.xres = 480;
pinfo.yres = 640;
pinfo.type = MDDI_PANEL;
pinfo.pdest = DISPLAY_1;
pinfo.mddi.vdopkt = MDDI_DEFAULT_PRIM_PIX_ATTR;
pinfo.wait_cycle = 0;
pinfo.bpp = 18;
pinfo.lcd.vsync_enable = TRUE;
pinfo.mddi.is_type1 = TRUE;
pinfo.lcd.refx100 = 6118;
pinfo.lcd.v_back_porch = 6;
pinfo.lcd.v_front_porch = 0;
pinfo.lcd.v_pulse_width = 0;
pinfo.lcd.hw_vsync_mode = FALSE;
pinfo.lcd.vsync_notifier_period = (1 * HZ);
pinfo.bl_max = 99;
pinfo.bl_min = 1;
pinfo.clk_rate = 122880000;
pinfo.clk_min = 120000000;
pinfo.clk_max = 200000000;
pinfo.fb_num = 2;
ret = mddi_toshiba_device_register(&pinfo, TOSHIBA_VGA_PRIM, panel);
if (ret) {
printk(KERN_ERR "%s: failed to register device!\n", __func__);
return ret;
}
pinfo.xres = 176;
pinfo.yres = 220;
MSM_FB_SINGLE_MODE_PANEL(&pinfo);
pinfo.type = MDDI_PANEL;
pinfo.pdest = DISPLAY_2;
pinfo.mddi.vdopkt = 0x400;
pinfo.wait_cycle = 0;
pinfo.bpp = 18;
pinfo.clk_rate = 122880000;
pinfo.clk_min = 120000000;
pinfo.clk_max = 200000000;
pinfo.fb_num = 2;
ret = mddi_toshiba_device_register(&pinfo, TOSHIBA_VGA_SECD, panel);
if (ret)
printk(KERN_WARNING
"%s: failed to register device!\n", __func__);
return ret;
}
module_init(mddi_toshiba_vga_init);