diff options
Diffstat (limited to 'drivers/staging/msm/lcdc_sharp_wvga_pt.c')
| -rw-r--r-- | drivers/staging/msm/lcdc_sharp_wvga_pt.c | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/drivers/staging/msm/lcdc_sharp_wvga_pt.c b/drivers/staging/msm/lcdc_sharp_wvga_pt.c deleted file mode 100644 index 1f08cf9bc217..000000000000 --- a/drivers/staging/msm/lcdc_sharp_wvga_pt.c +++ /dev/null @@ -1,290 +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> -#ifdef CONFIG_ARCH_MSM7X30 -#include <linux/mfd/pmic8058.h> -#endif -#include <mach/gpio.h> -#include "msm_fb.h" - -static int lcdc_sharp_panel_off(struct platform_device *pdev); - -static int spi_cs; -static int spi_sclk; -static int spi_mosi; -static int spi_miso; -static unsigned char bit_shift[8] = { (1 << 7), /* MSB */ - (1 << 6), - (1 << 5), - (1 << 4), - (1 << 3), - (1 << 2), - (1 << 1), - (1 << 0) /* LSB */ -}; - -struct sharp_state_type { - boolean disp_initialized; - boolean display_on; - boolean disp_powered_up; -}; - -struct sharp_spi_data { - u8 addr; - u8 data; -}; - -static struct sharp_spi_data init_sequence[] = { - { 15, 0x01 }, - { 5, 0x01 }, - { 7, 0x10 }, - { 9, 0x1E }, - { 10, 0x04 }, - { 17, 0xFF }, - { 21, 0x8A }, - { 22, 0x00 }, - { 23, 0x82 }, - { 24, 0x24 }, - { 25, 0x22 }, - { 26, 0x6D }, - { 27, 0xEB }, - { 28, 0xB9 }, - { 29, 0x3A }, - { 49, 0x1A }, - { 50, 0x16 }, - { 51, 0x05 }, - { 55, 0x7F }, - { 56, 0x15 }, - { 57, 0x7B }, - { 60, 0x05 }, - { 61, 0x0C }, - { 62, 0x80 }, - { 63, 0x00 }, - { 92, 0x90 }, - { 97, 0x01 }, - { 98, 0xFF }, - { 113, 0x11 }, - { 114, 0x02 }, - { 115, 0x08 }, - { 123, 0xAB }, - { 124, 0x04 }, - { 6, 0x02 }, - { 133, 0x00 }, - { 134, 0xFE }, - { 135, 0x22 }, - { 136, 0x0B }, - { 137, 0xFF }, - { 138, 0x0F }, - { 139, 0x00 }, - { 140, 0xFE }, - { 141, 0x22 }, - { 142, 0x0B }, - { 143, 0xFF }, - { 144, 0x0F }, - { 145, 0x00 }, - { 146, 0xFE }, - { 147, 0x22 }, - { 148, 0x0B }, - { 149, 0xFF }, - { 150, 0x0F }, - { 202, 0x30 }, - { 30, 0x01 }, - { 4, 0x01 }, - { 31, 0x41 }, -}; - -static struct sharp_state_type sharp_state = { 0 }; -static struct msm_panel_common_pdata *lcdc_sharp_pdata; - -static void sharp_spi_write_byte(u8 val) -{ - int i; - - /* Clock should be Low before entering */ - for (i = 0; i < 8; i++) { - /* #1: Drive the Data (High or Low) */ - if (val & bit_shift[i]) - gpio_set_value(spi_mosi, 1); - else - gpio_set_value(spi_mosi, 0); - - /* #2: Drive the Clk High and then Low */ - gpio_set_value(spi_sclk, 1); - gpio_set_value(spi_sclk, 0); - } -} - -static void serigo(u8 reg, u8 data) -{ - /* Enable the Chip Select - low */ - gpio_set_value(spi_cs, 0); - udelay(1); - - /* Transmit register address first, then data */ - sharp_spi_write_byte(reg); - - /* Idle state of MOSI is Low */ - gpio_set_value(spi_mosi, 0); - udelay(1); - sharp_spi_write_byte(data); - - gpio_set_value(spi_mosi, 0); - gpio_set_value(spi_cs, 1); -} - -static void sharp_spi_init(void) -{ - spi_sclk = *(lcdc_sharp_pdata->gpio_num); - spi_cs = *(lcdc_sharp_pdata->gpio_num + 1); - spi_mosi = *(lcdc_sharp_pdata->gpio_num + 2); - spi_miso = *(lcdc_sharp_pdata->gpio_num + 3); - - /* Set the output so that we don't disturb the slave device */ - gpio_set_value(spi_sclk, 0); - gpio_set_value(spi_mosi, 0); - - /* Set the Chip Select deasserted (active low) */ - gpio_set_value(spi_cs, 1); -} - -static void sharp_disp_powerup(void) -{ - if (!sharp_state.disp_powered_up && !sharp_state.display_on) - sharp_state.disp_powered_up = TRUE; -} - -static void sharp_disp_on(void) -{ - int i; - - if (sharp_state.disp_powered_up && !sharp_state.display_on) { - for (i = 0; i < ARRAY_SIZE(init_sequence); i++) { - serigo(init_sequence[i].addr, - init_sequence[i].data); - } - mdelay(10); - serigo(31, 0xC1); - mdelay(10); - serigo(31, 0xD9); - serigo(31, 0xDF); - - sharp_state.display_on = TRUE; - } -} - -static int lcdc_sharp_panel_on(struct platform_device *pdev) -{ - if (!sharp_state.disp_initialized) { - lcdc_sharp_pdata->panel_config_gpio(1); - sharp_spi_init(); - sharp_disp_powerup(); - sharp_disp_on(); - sharp_state.disp_initialized = TRUE; - } - return 0; -} - -static int lcdc_sharp_panel_off(struct platform_device *pdev) -{ - if (sharp_state.disp_powered_up && sharp_state.display_on) { - serigo(4, 0x00); - mdelay(40); - serigo(31, 0xC1); - mdelay(40); - serigo(31, 0x00); - mdelay(100); - sharp_state.display_on = FALSE; - sharp_state.disp_initialized = FALSE; - } - return 0; -} - -static int __init sharp_probe(struct platform_device *pdev) -{ - if (pdev->id == 0) { - lcdc_sharp_pdata = pdev->dev.platform_data; - return 0; - } - msm_fb_add_device(pdev); - return 0; -} - -static struct platform_driver this_driver = { - .probe = sharp_probe, - .driver = { - .name = "lcdc_sharp_wvga", - }, -}; - -static struct msm_fb_panel_data sharp_panel_data = { - .on = lcdc_sharp_panel_on, - .off = lcdc_sharp_panel_off, -}; - -static struct platform_device this_device = { - .name = "lcdc_sharp_wvga", - .id = 1, - .dev = { - .platform_data = &sharp_panel_data, - } -}; - -static int __init lcdc_sharp_panel_init(void) -{ - int ret; - struct msm_panel_info *pinfo; - -#ifdef CONFIG_FB_MSM_MDDI_AUTO_DETECT - if (msm_fb_detect_client("lcdc_sharp_wvga_pt")) - return 0; -#endif - - ret = platform_driver_register(&this_driver); - if (ret) - return ret; - - pinfo = &sharp_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; - pinfo->clk_rate = 24500000; - pinfo->bl_max = 4; - pinfo->bl_min = 1; - - pinfo->lcdc.h_back_porch = 20; - pinfo->lcdc.h_front_porch = 10; - pinfo->lcdc.h_pulse_width = 10; - pinfo->lcdc.v_back_porch = 2; - pinfo->lcdc.v_front_porch = 2; - pinfo->lcdc.v_pulse_width = 2; - pinfo->lcdc.border_clr = 0; - pinfo->lcdc.underflow_clr = 0xff; - pinfo->lcdc.hsync_skew = 0; - - ret = platform_device_register(&this_device); - if (ret) - platform_driver_unregister(&this_driver); - - return ret; -} - -module_init(lcdc_sharp_panel_init); |