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