| /* |
| * LCD panel support for the Siemens SX1 mobile phone |
| * |
| * Current version : Vovan888@gmail.com, great help from FCA00000 |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| * |
| * 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., |
| * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/platform_device.h> |
| #include <linux/delay.h> |
| #include <linux/io.h> |
| |
| #include <mach/gpio.h> |
| #include <mach/omapfb.h> |
| #include <mach/mcbsp.h> |
| #include <mach/mux.h> |
| |
| /* |
| * OMAP310 GPIO registers |
| */ |
| #define GPIO_DATA_INPUT 0xfffce000 |
| #define GPIO_DATA_OUTPUT 0xfffce004 |
| #define GPIO_DIR_CONTROL 0xfffce008 |
| #define GPIO_INT_CONTROL 0xfffce00c |
| #define GPIO_INT_MASK 0xfffce010 |
| #define GPIO_INT_STATUS 0xfffce014 |
| #define GPIO_PIN_CONTROL 0xfffce018 |
| |
| |
| #define A_LCD_SSC_RD 3 |
| #define A_LCD_SSC_SD 7 |
| #define _A_LCD_RESET 9 |
| #define _A_LCD_SSC_CS 12 |
| #define _A_LCD_SSC_A0 13 |
| |
| #define DSP_REG 0xE1017024 |
| |
| const unsigned char INIT_1[12] = { |
| 0x1C, 0x02, 0x88, 0x00, 0x1E, 0xE0, 0x00, 0xDC, 0x00, 0x02, 0x00 |
| }; |
| |
| const unsigned char INIT_2[127] = { |
| 0x15, 0x00, 0x29, 0x00, 0x3E, 0x00, 0x51, 0x00, |
| 0x65, 0x00, 0x7A, 0x00, 0x8D, 0x00, 0xA1, 0x00, |
| 0xB6, 0x00, 0xC7, 0x00, 0xD8, 0x00, 0xEB, 0x00, |
| 0xFB, 0x00, 0x0B, 0x01, 0x1B, 0x01, 0x27, 0x01, |
| 0x34, 0x01, 0x41, 0x01, 0x4C, 0x01, 0x55, 0x01, |
| 0x5F, 0x01, 0x68, 0x01, 0x70, 0x01, 0x78, 0x01, |
| 0x7E, 0x01, 0x86, 0x01, 0x8C, 0x01, 0x94, 0x01, |
| 0x9B, 0x01, 0xA1, 0x01, 0xA4, 0x01, 0xA9, 0x01, |
| 0xAD, 0x01, 0xB2, 0x01, 0xB7, 0x01, 0xBC, 0x01, |
| 0xC0, 0x01, 0xC4, 0x01, 0xC8, 0x01, 0xCB, 0x01, |
| 0xCF, 0x01, 0xD2, 0x01, 0xD5, 0x01, 0xD8, 0x01, |
| 0xDB, 0x01, 0xE0, 0x01, 0xE3, 0x01, 0xE6, 0x01, |
| 0xE8, 0x01, 0xEB, 0x01, 0xEE, 0x01, 0xF1, 0x01, |
| 0xF3, 0x01, 0xF8, 0x01, 0xF9, 0x01, 0xFC, 0x01, |
| 0x00, 0x02, 0x03, 0x02, 0x07, 0x02, 0x09, 0x02, |
| 0x0E, 0x02, 0x13, 0x02, 0x1C, 0x02, 0x00 |
| }; |
| |
| const unsigned char INIT_3[15] = { |
| 0x14, 0x26, 0x33, 0x3D, 0x45, 0x4D, 0x53, 0x59, |
| 0x5E, 0x63, 0x67, 0x6D, 0x71, 0x78, 0xFF |
| }; |
| |
| static void epson_sendbyte(int flag, unsigned char byte) |
| { |
| int i, shifter = 0x80; |
| |
| if (!flag) |
| gpio_set_value(_A_LCD_SSC_A0, 0); |
| mdelay(2); |
| gpio_set_value(A_LCD_SSC_RD, 1); |
| |
| gpio_set_value(A_LCD_SSC_SD, flag); |
| |
| OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2200); |
| OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2202); |
| for (i = 0; i < 8; i++) { |
| OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2200); |
| gpio_set_value(A_LCD_SSC_SD, shifter & byte); |
| OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2202); |
| shifter >>= 1; |
| } |
| gpio_set_value(_A_LCD_SSC_A0, 1); |
| } |
| |
| static void init_system(void) |
| { |
| omap_mcbsp_request(OMAP_MCBSP3); |
| omap_mcbsp_stop(OMAP_MCBSP3); |
| } |
| |
| static void setup_GPIO(void) |
| { |
| /* new wave */ |
| gpio_request(A_LCD_SSC_RD, "lcd_ssc_rd"); |
| gpio_request(A_LCD_SSC_SD, "lcd_ssc_sd"); |
| gpio_request(_A_LCD_RESET, "lcd_reset"); |
| gpio_request(_A_LCD_SSC_CS, "lcd_ssc_cs"); |
| gpio_request(_A_LCD_SSC_A0, "lcd_ssc_a0"); |
| |
| /* set GPIOs to output, with initial data */ |
| gpio_direction_output(A_LCD_SSC_RD, 1); |
| gpio_direction_output(A_LCD_SSC_SD, 0); |
| gpio_direction_output(_A_LCD_RESET, 0); |
| gpio_direction_output(_A_LCD_SSC_CS, 1); |
| gpio_direction_output(_A_LCD_SSC_A0, 1); |
| } |
| |
| static void display_init(void) |
| { |
| int i; |
| |
| omap_cfg_reg(MCBSP3_CLKX); |
| |
| mdelay(2); |
| setup_GPIO(); |
| mdelay(2); |
| |
| /* reset LCD */ |
| gpio_set_value(A_LCD_SSC_SD, 1); |
| epson_sendbyte(0, 0x25); |
| |
| gpio_set_value(_A_LCD_RESET, 0); |
| mdelay(10); |
| gpio_set_value(_A_LCD_RESET, 1); |
| |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| mdelay(2); |
| gpio_set_value(_A_LCD_SSC_CS, 0); |
| |
| /* init LCD, phase 1 */ |
| epson_sendbyte(0, 0xCA); |
| for (i = 0; i < 10; i++) |
| epson_sendbyte(1, INIT_1[i]); |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| gpio_set_value(_A_LCD_SSC_CS, 0); |
| |
| /* init LCD phase 2 */ |
| epson_sendbyte(0, 0xCB); |
| for (i = 0; i < 125; i++) |
| epson_sendbyte(1, INIT_2[i]); |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| gpio_set_value(_A_LCD_SSC_CS, 0); |
| |
| /* init LCD phase 2a */ |
| epson_sendbyte(0, 0xCC); |
| for (i = 0; i < 14; i++) |
| epson_sendbyte(1, INIT_3[i]); |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| gpio_set_value(_A_LCD_SSC_CS, 0); |
| |
| /* init LCD phase 3 */ |
| epson_sendbyte(0, 0xBC); |
| epson_sendbyte(1, 0x08); |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| gpio_set_value(_A_LCD_SSC_CS, 0); |
| |
| /* init LCD phase 4 */ |
| epson_sendbyte(0, 0x07); |
| epson_sendbyte(1, 0x05); |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| gpio_set_value(_A_LCD_SSC_CS, 0); |
| |
| /* init LCD phase 5 */ |
| epson_sendbyte(0, 0x94); |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| gpio_set_value(_A_LCD_SSC_CS, 0); |
| |
| /* init LCD phase 6 */ |
| epson_sendbyte(0, 0xC6); |
| epson_sendbyte(1, 0x80); |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| mdelay(100); /* used to be 1000 */ |
| gpio_set_value(_A_LCD_SSC_CS, 0); |
| |
| /* init LCD phase 7 */ |
| epson_sendbyte(0, 0x16); |
| epson_sendbyte(1, 0x02); |
| epson_sendbyte(1, 0x00); |
| epson_sendbyte(1, 0xB1); |
| epson_sendbyte(1, 0x00); |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| gpio_set_value(_A_LCD_SSC_CS, 0); |
| |
| /* init LCD phase 8 */ |
| epson_sendbyte(0, 0x76); |
| epson_sendbyte(1, 0x00); |
| epson_sendbyte(1, 0x00); |
| epson_sendbyte(1, 0xDB); |
| epson_sendbyte(1, 0x00); |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| gpio_set_value(_A_LCD_SSC_CS, 0); |
| |
| /* init LCD phase 9 */ |
| epson_sendbyte(0, 0xAF); |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| } |
| |
| static int sx1_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) |
| { |
| return 0; |
| } |
| |
| static void sx1_panel_cleanup(struct lcd_panel *panel) |
| { |
| } |
| |
| static void sx1_panel_disable(struct lcd_panel *panel) |
| { |
| printk(KERN_INFO "SX1: LCD panel disable\n"); |
| sx1_setmmipower(0); |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| |
| epson_sendbyte(0, 0x25); |
| gpio_set_value(_A_LCD_SSC_CS, 0); |
| |
| epson_sendbyte(0, 0xAE); |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| mdelay(100); |
| gpio_set_value(_A_LCD_SSC_CS, 0); |
| |
| epson_sendbyte(0, 0x95); |
| gpio_set_value(_A_LCD_SSC_CS, 1); |
| } |
| |
| static int sx1_panel_enable(struct lcd_panel *panel) |
| { |
| printk(KERN_INFO "lcd_sx1: LCD panel enable\n"); |
| init_system(); |
| display_init(); |
| |
| sx1_setmmipower(1); |
| sx1_setbacklight(0x18); |
| sx1_setkeylight (0x06); |
| return 0; |
| } |
| |
| |
| static unsigned long sx1_panel_get_caps(struct lcd_panel *panel) |
| { |
| return 0; |
| } |
| |
| struct lcd_panel sx1_panel = { |
| .name = "sx1", |
| .config = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC | |
| OMAP_LCDC_INV_HSYNC | OMAP_LCDC_INV_PIX_CLOCK | |
| OMAP_LCDC_INV_OUTPUT_EN, |
| |
| .x_res = 176, |
| .y_res = 220, |
| .data_lines = 16, |
| .bpp = 16, |
| .hsw = 5, |
| .hfp = 5, |
| .hbp = 5, |
| .vsw = 2, |
| .vfp = 1, |
| .vbp = 1, |
| .pixel_clock = 1500, |
| |
| .init = sx1_panel_init, |
| .cleanup = sx1_panel_cleanup, |
| .enable = sx1_panel_enable, |
| .disable = sx1_panel_disable, |
| .get_caps = sx1_panel_get_caps, |
| }; |
| |
| static int sx1_panel_probe(struct platform_device *pdev) |
| { |
| omapfb_register_panel(&sx1_panel); |
| return 0; |
| } |
| |
| static int sx1_panel_remove(struct platform_device *pdev) |
| { |
| return 0; |
| } |
| |
| static int sx1_panel_suspend(struct platform_device *pdev, pm_message_t mesg) |
| { |
| return 0; |
| } |
| |
| static int sx1_panel_resume(struct platform_device *pdev) |
| { |
| return 0; |
| } |
| |
| struct platform_driver sx1_panel_driver = { |
| .probe = sx1_panel_probe, |
| .remove = sx1_panel_remove, |
| .suspend = sx1_panel_suspend, |
| .resume = sx1_panel_resume, |
| .driver = { |
| .name = "lcd_sx1", |
| .owner = THIS_MODULE, |
| }, |
| }; |
| |
| static int sx1_panel_drv_init(void) |
| { |
| return platform_driver_register(&sx1_panel_driver); |
| } |
| |
| static void sx1_panel_drv_cleanup(void) |
| { |
| platform_driver_unregister(&sx1_panel_driver); |
| } |
| |
| module_init(sx1_panel_drv_init); |
| module_exit(sx1_panel_drv_cleanup); |