diff options
Diffstat (limited to 'drivers/staging/msm/mddi_toshiba_vga.c')
| -rw-r--r-- | drivers/staging/msm/mddi_toshiba_vga.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/staging/msm/mddi_toshiba_vga.c b/drivers/staging/msm/mddi_toshiba_vga.c new file mode 100644 index 00000000000..7e61d3a5b8f --- /dev/null +++ b/drivers/staging/msm/mddi_toshiba_vga.c @@ -0,0 +1,136 @@ +/* Copyright (c) 2009, Code Aurora Forum. 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. + * + * 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 "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.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; + 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); |