diff options
Diffstat (limited to 'drivers/staging/msm/lcdc_toshiba_wvga_pt.c')
-rw-r--r-- | drivers/staging/msm/lcdc_toshiba_wvga_pt.c | 374 |
1 files changed, 0 insertions, 374 deletions
diff --git a/drivers/staging/msm/lcdc_toshiba_wvga_pt.c b/drivers/staging/msm/lcdc_toshiba_wvga_pt.c deleted file mode 100644 index edba78a3afcf..000000000000 --- a/drivers/staging/msm/lcdc_toshiba_wvga_pt.c +++ /dev/null @@ -1,374 +0,0 @@ -/* 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 <linux/delay.h> -#include <linux/module.h> -#include <mach/gpio.h> -#include <mach/pmic.h> -#include "msm_fb.h" - -#ifdef CONFIG_FB_MSM_TRY_MDDI_CATCH_LCDC_PRISM -#include "mddihosti.h" -#endif - -static int spi_cs; -static int spi_sclk; -static int spi_mosi; -static int spi_miso; - -struct toshiba_state_type{ - boolean disp_initialized; - boolean display_on; - boolean disp_powered_up; -}; - -static struct toshiba_state_type toshiba_state = { 0 }; -static struct msm_panel_common_pdata *lcdc_toshiba_pdata; - -static void toshiba_spi_write_byte(char dc, uint8 data) -{ - uint32 bit; - int bnum; - - gpio_set_value(spi_sclk, 0); /* clk low */ - /* dc: 0 for command, 1 for parameter */ - gpio_set_value(spi_mosi, dc); - udelay(1); /* at least 20 ns */ - gpio_set_value(spi_sclk, 1); /* clk high */ - udelay(1); /* at least 20 ns */ - bnum = 8; /* 8 data bits */ - bit = 0x80; - while (bnum) { - gpio_set_value(spi_sclk, 0); /* clk low */ - if (data & bit) - gpio_set_value(spi_mosi, 1); - else - gpio_set_value(spi_mosi, 0); - udelay(1); - gpio_set_value(spi_sclk, 1); /* clk high */ - udelay(1); - bit >>= 1; - bnum--; - } -} - -static void toshiba_spi_write(char cmd, uint32 data, int num) -{ - char *bp; - - gpio_set_value(spi_cs, 1); /* cs high */ - - /* command byte first */ - toshiba_spi_write_byte(0, cmd); - - /* followed by parameter bytes */ - if (num) { - bp = (char *)&data; - bp += (num - 1); - while (num) { - toshiba_spi_write_byte(1, *bp); - num--; - bp--; - } - } - - gpio_set_value(spi_cs, 0); /* cs low */ - udelay(1); -} - -void toshiba_spi_read_bytes(char cmd, uint32 *data, int num) -{ - uint32 dbit, bits; - int bnum; - - gpio_set_value(spi_cs, 1); /* cs high */ - - /* command byte first */ - toshiba_spi_write_byte(0, cmd); - - if (num > 1) { - /* extra dc bit */ - gpio_set_value(spi_sclk, 0); /* clk low */ - udelay(1); - dbit = gpio_get_value(spi_miso);/* dc bit */ - udelay(1); - gpio_set_value(spi_sclk, 1); /* clk high */ - } - - /* followed by data bytes */ - bnum = num * 8; /* number of bits */ - bits = 0; - while (bnum) { - bits <<= 1; - gpio_set_value(spi_sclk, 0); /* clk low */ - udelay(1); - dbit = gpio_get_value(spi_miso); - udelay(1); - gpio_set_value(spi_sclk, 1); /* clk high */ - bits |= dbit; - bnum--; - } - - *data = bits; - - udelay(1); - gpio_set_value(spi_cs, 0); /* cs low */ - udelay(1); -} - -static void spi_pin_assign(void) -{ - /* Setting the Default GPIO's */ - spi_sclk = *(lcdc_toshiba_pdata->gpio_num); - spi_cs = *(lcdc_toshiba_pdata->gpio_num + 1); - spi_mosi = *(lcdc_toshiba_pdata->gpio_num + 2); - spi_miso = *(lcdc_toshiba_pdata->gpio_num + 3); -} - -static void toshiba_disp_powerup(void) -{ - if (!toshiba_state.disp_powered_up && !toshiba_state.display_on) { - /* Reset the hardware first */ - /* Include DAC power up implementation here */ - toshiba_state.disp_powered_up = TRUE; - } -} - -static void toshiba_disp_on(void) -{ - uint32 data; - - gpio_set_value(spi_cs, 0); /* low */ - gpio_set_value(spi_sclk, 1); /* high */ - gpio_set_value(spi_mosi, 0); - gpio_set_value(spi_miso, 0); - - if (toshiba_state.disp_powered_up && !toshiba_state.display_on) { - toshiba_spi_write(0, 0, 0); - mdelay(7); - toshiba_spi_write(0, 0, 0); - mdelay(7); - toshiba_spi_write(0, 0, 0); - mdelay(7); - toshiba_spi_write(0xba, 0x11, 1); - toshiba_spi_write(0x36, 0x00, 1); - mdelay(1); - toshiba_spi_write(0x3a, 0x60, 1); - toshiba_spi_write(0xb1, 0x5d, 1); - mdelay(1); - toshiba_spi_write(0xb2, 0x33, 1); - toshiba_spi_write(0xb3, 0x22, 1); - mdelay(1); - toshiba_spi_write(0xb4, 0x02, 1); - toshiba_spi_write(0xb5, 0x1e, 1); /* vcs -- adjust brightness */ - mdelay(1); - toshiba_spi_write(0xb6, 0x27, 1); - toshiba_spi_write(0xb7, 0x03, 1); - mdelay(1); - toshiba_spi_write(0xb9, 0x24, 1); - toshiba_spi_write(0xbd, 0xa1, 1); - mdelay(1); - toshiba_spi_write(0xbb, 0x00, 1); - toshiba_spi_write(0xbf, 0x01, 1); - mdelay(1); - toshiba_spi_write(0xbe, 0x00, 1); - toshiba_spi_write(0xc0, 0x11, 1); - mdelay(1); - toshiba_spi_write(0xc1, 0x11, 1); - toshiba_spi_write(0xc2, 0x11, 1); - mdelay(1); - toshiba_spi_write(0xc3, 0x3232, 2); - mdelay(1); - toshiba_spi_write(0xc4, 0x3232, 2); - mdelay(1); - toshiba_spi_write(0xc5, 0x3232, 2); - mdelay(1); - toshiba_spi_write(0xc6, 0x3232, 2); - mdelay(1); - toshiba_spi_write(0xc7, 0x6445, 2); - mdelay(1); - toshiba_spi_write(0xc8, 0x44, 1); - toshiba_spi_write(0xc9, 0x52, 1); - mdelay(1); - toshiba_spi_write(0xca, 0x00, 1); - mdelay(1); - toshiba_spi_write(0xec, 0x02a4, 2); /* 0x02a4 */ - mdelay(1); - toshiba_spi_write(0xcf, 0x01, 1); - mdelay(1); - toshiba_spi_write(0xd0, 0xc003, 2); /* c003 */ - mdelay(1); - toshiba_spi_write(0xd1, 0x01, 1); - mdelay(1); - toshiba_spi_write(0xd2, 0x0028, 2); - mdelay(1); - toshiba_spi_write(0xd3, 0x0028, 2); - mdelay(1); - toshiba_spi_write(0xd4, 0x26a4, 2); - mdelay(1); - toshiba_spi_write(0xd5, 0x20, 1); - mdelay(1); - toshiba_spi_write(0xef, 0x3200, 2); - mdelay(32); - toshiba_spi_write(0xbc, 0x80, 1); /* wvga pass through */ - toshiba_spi_write(0x3b, 0x00, 1); - mdelay(1); - toshiba_spi_write(0xb0, 0x16, 1); - mdelay(1); - toshiba_spi_write(0xb8, 0xfff5, 2); - mdelay(1); - toshiba_spi_write(0x11, 0, 0); - mdelay(5); - toshiba_spi_write(0x29, 0, 0); - mdelay(5); - toshiba_state.display_on = TRUE; - } - - data = 0; - toshiba_spi_read_bytes(0x04, &data, 3); - printk(KERN_INFO "toshiba_disp_on: id=%x\n", data); - -} - -static int lcdc_toshiba_panel_on(struct platform_device *pdev) -{ - if (!toshiba_state.disp_initialized) { - /* Configure reset GPIO that drives DAC */ - if (lcdc_toshiba_pdata->panel_config_gpio) - lcdc_toshiba_pdata->panel_config_gpio(1); - toshiba_disp_powerup(); - toshiba_disp_on(); - toshiba_state.disp_initialized = TRUE; - } - return 0; -} - -static int lcdc_toshiba_panel_off(struct platform_device *pdev) -{ - if (toshiba_state.disp_powered_up && toshiba_state.display_on) { - /* Main panel power off (Deep standby in) */ - - toshiba_spi_write(0x28, 0, 0); /* display off */ - mdelay(1); - toshiba_spi_write(0xb8, 0x8002, 2); /* output control */ - mdelay(1); - toshiba_spi_write(0x10, 0x00, 1); /* sleep mode in */ - mdelay(85); /* wait 85 msec */ - toshiba_spi_write(0xb0, 0x00, 1); /* deep standby in */ - mdelay(1); - if (lcdc_toshiba_pdata->panel_config_gpio) - lcdc_toshiba_pdata->panel_config_gpio(0); - toshiba_state.display_on = FALSE; - toshiba_state.disp_initialized = FALSE; - } - return 0; -} - -static void lcdc_toshiba_set_backlight(struct msm_fb_data_type *mfd) -{ - int bl_level; - int ret = -EPERM; - - bl_level = mfd->bl_level; - ret = pmic_set_led_intensity(LED_LCD, bl_level); - - if (ret) - printk(KERN_WARNING "%s: can't set lcd backlight!\n", - __func__); -} - -static int __init toshiba_probe(struct platform_device *pdev) -{ - if (pdev->id == 0) { - lcdc_toshiba_pdata = pdev->dev.platform_data; - spi_pin_assign(); - return 0; - } - msm_fb_add_device(pdev); - return 0; -} - -static struct platform_driver this_driver = { - .probe = toshiba_probe, - .driver = { - .name = "lcdc_toshiba_wvga", - }, -}; - -static struct msm_fb_panel_data toshiba_panel_data = { - .on = lcdc_toshiba_panel_on, - .off = lcdc_toshiba_panel_off, - .set_backlight = lcdc_toshiba_set_backlight, -}; - -static struct platform_device this_device = { - .name = "lcdc_toshiba_wvga", - .id = 1, - .dev = { - .platform_data = &toshiba_panel_data, - } -}; - -static int __init lcdc_toshiba_panel_init(void) -{ - int ret; - struct msm_panel_info *pinfo; -#ifdef CONFIG_FB_MSM_TRY_MDDI_CATCH_LCDC_PRISM - if (mddi_get_client_id() != 0) - return 0; - - ret = msm_fb_detect_client("lcdc_toshiba_wvga_pt"); - if (ret) - return 0; - -#endif - - ret = platform_driver_register(&this_driver); - if (ret) - return ret; - - pinfo = &toshiba_panel_data.panel_info; - pinfo->xres = 480; - pinfo->yres = 800; - pinfo->type = LCDC_PANEL; - pinfo->pdest = DISPLAY_1; - pinfo->wait_cycle = 0; - pinfo->bpp = 18; - pinfo->fb_num = 2; - /* 30Mhz mdp_lcdc_pclk and mdp_lcdc_pad_pcl */ - pinfo->clk_rate = 27648000; - pinfo->bl_max = 15; - pinfo->bl_min = 1; - - pinfo->lcdc.h_back_porch = 184; /* hsw = 8 + hbp=184 */ - pinfo->lcdc.h_front_porch = 4; - pinfo->lcdc.h_pulse_width = 8; - pinfo->lcdc.v_back_porch = 2; /* vsw=1 + vbp = 2 */ - pinfo->lcdc.v_front_porch = 3; - pinfo->lcdc.v_pulse_width = 1; - pinfo->lcdc.border_clr = 0; /* blk */ - pinfo->lcdc.underflow_clr = 0xff; /* blue */ - pinfo->lcdc.hsync_skew = 0; - - ret = platform_device_register(&this_device); - if (ret) - platform_driver_unregister(&this_driver); - - return ret; -} - -device_initcall(lcdc_toshiba_panel_init); |