2 * LCD panel support for the Siemens SX1 mobile phone
4 * Current version : Vovan888@gmail com, great help from FCA00000
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 #include <linux/module.h>
22 #include <linux/platform_device.h>
23 #include <linux/delay.h>
25 #include <asm/arch/gpio.h>
26 #include <asm/arch/omapfb.h>
27 #include <asm/arch/mcbsp.h>
28 #include <asm/arch/mux.h>
31 * OMAP310 GPIO registers
33 #define GPIO_DATA_INPUT 0xfffce000
34 #define GPIO_DATA_OUTPUT 0xfffce004
35 #define GPIO_DIR_CONTROL 0xfffce008
36 #define GPIO_INT_CONTROL 0xfffce00c
37 #define GPIO_INT_MASK 0xfffce010
38 #define GPIO_INT_STATUS 0xfffce014
39 #define GPIO_PIN_CONTROL 0xfffce018
42 #define A_LCD_SSC_RD 3
43 #define A_LCD_SSC_SD 7
44 #define _A_LCD_RESET 9
45 #define _A_LCD_SSC_CS 12
46 #define _A_LCD_SSC_A0 13
48 #define DSP_REG 0xE1017024
50 const unsigned char INIT_1[12] = {
51 0x1C, 0x02, 0x88, 0x00, 0x1E, 0xE0, 0x00, 0xDC, 0x00, 0x02, 0x00
54 const unsigned char INIT_2[127] = {
55 0x15, 0x00, 0x29, 0x00, 0x3E, 0x00, 0x51, 0x00, 0x65, 0x00, 0x7A, 0x00, 0x8D, 0x00, 0xA1, 0x00,
56 0xB6, 0x00, 0xC7, 0x00, 0xD8, 0x00, 0xEB, 0x00, 0xFB, 0x00, 0x0B, 0x01, 0x1B, 0x01, 0x27, 0x01,
57 0x34, 0x01, 0x41, 0x01, 0x4C, 0x01, 0x55, 0x01, 0x5F, 0x01, 0x68, 0x01, 0x70, 0x01, 0x78, 0x01,
58 0x7E, 0x01, 0x86, 0x01, 0x8C, 0x01, 0x94, 0x01, 0x9B, 0x01, 0xA1, 0x01, 0xA4, 0x01, 0xA9, 0x01,
59 0xAD, 0x01, 0xB2, 0x01, 0xB7, 0x01, 0xBC, 0x01, 0xC0, 0x01, 0xC4, 0x01, 0xC8, 0x01, 0xCB, 0x01,
60 0xCF, 0x01, 0xD2, 0x01, 0xD5, 0x01, 0xD8, 0x01, 0xDB, 0x01, 0xE0, 0x01, 0xE3, 0x01, 0xE6, 0x01,
61 0xE8, 0x01, 0xEB, 0x01, 0xEE, 0x01, 0xF1, 0x01, 0xF3, 0x01, 0xF8, 0x01, 0xF9, 0x01, 0xFC, 0x01,
62 0x00, 0x02, 0x03, 0x02, 0x07, 0x02, 0x09, 0x02, 0x0E, 0x02, 0x13, 0x02, 0x1C, 0x02, 0x00
65 const unsigned char INIT_3[15] = {
66 0x14, 0x26, 0x33, 0x3D, 0x45, 0x4D, 0x53, 0x59,
67 0x5E, 0x63, 0x67, 0x6D, 0x71, 0x78, 0xFF
70 static void epson_sendbyte(int flag, unsigned char byte)
72 int i, shifter = 0x80;
75 omap_set_gpio_dataout(_A_LCD_SSC_A0, 0);
77 omap_set_gpio_dataout(A_LCD_SSC_RD, 1);
79 omap_set_gpio_dataout(A_LCD_SSC_SD, flag);
81 OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2200);
82 OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2202);
83 for (i = 0; i < 8; i++) {
84 OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2200);
85 omap_set_gpio_dataout(A_LCD_SSC_SD, shifter & byte);
86 OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2202);
89 omap_set_gpio_dataout(_A_LCD_SSC_A0, 1);
92 static void init_system(void)
94 omap_mcbsp_request(OMAP_MCBSP3);
95 omap_mcbsp_stop(OMAP_MCBSP3);
98 static void setup_GPIO(void)
101 omap_request_gpio(A_LCD_SSC_RD);
102 omap_request_gpio(A_LCD_SSC_SD);
103 omap_request_gpio(_A_LCD_RESET);
104 omap_request_gpio(_A_LCD_SSC_CS);
105 omap_request_gpio(_A_LCD_SSC_A0);
107 /* set all GPIOs to output */
108 omap_set_gpio_direction(A_LCD_SSC_RD, 0);
109 omap_set_gpio_direction(A_LCD_SSC_SD, 0);
110 omap_set_gpio_direction(_A_LCD_RESET, 0);
111 omap_set_gpio_direction(_A_LCD_SSC_CS, 0);
112 omap_set_gpio_direction(_A_LCD_SSC_A0, 0);
115 omap_set_gpio_dataout(A_LCD_SSC_RD, 1);
116 omap_set_gpio_dataout(A_LCD_SSC_SD, 0);
117 omap_set_gpio_dataout(_A_LCD_RESET, 0);
118 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
119 omap_set_gpio_dataout(_A_LCD_SSC_A0, 1);
122 static void display_init(void)
126 omap_cfg_reg(MCBSP3_CLKX);
133 omap_set_gpio_dataout(A_LCD_SSC_SD, 1);
134 epson_sendbyte(0, 0x25);
136 omap_set_gpio_dataout(_A_LCD_RESET, 0);
138 omap_set_gpio_dataout(_A_LCD_RESET, 1);
140 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
142 omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
144 /* init LCD, phase 1 */
145 epson_sendbyte(0, 0xCA);
146 for (i = 0; i < 10; i++)
147 epson_sendbyte(1, INIT_1[i]);
148 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
149 omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
151 /* init LCD phase 2 */
152 epson_sendbyte(0, 0xCB);
153 for( i = 0; i < 125; i++)
154 epson_sendbyte(1, INIT_2[i]);
155 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
156 omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
158 /* init LCD phase 2a */
159 epson_sendbyte(0, 0xCC);
160 for( i = 0; i < 14; i++)
161 epson_sendbyte(1, INIT_3[i]);
162 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
163 omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
165 /* init LCD phase 3 */
166 epson_sendbyte(0, 0xBC);
167 epson_sendbyte(1, 0x08);
168 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
169 omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
171 /* init LCD phase 4 */
172 epson_sendbyte(0, 0x07);
173 epson_sendbyte(1, 0x05);
174 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
175 omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
177 /* init LCD phase 5 */
178 epson_sendbyte(0, 0x94);
179 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
180 omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
182 /* init LCD phase 6 */
183 epson_sendbyte(0, 0xC6);
184 epson_sendbyte(1, 0x80);
185 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
186 mdelay(100); /* used to be 1000 */
187 omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
189 /* init LCD phase 7 */
190 epson_sendbyte(0, 0x16);
191 epson_sendbyte(1, 0x02);
192 epson_sendbyte(1, 0x00);
193 epson_sendbyte(1, 0xB1);
194 epson_sendbyte(1, 0x00);
195 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
196 omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
198 /* init LCD phase 8 */
199 epson_sendbyte(0, 0x76);
200 epson_sendbyte(1, 0x00);
201 epson_sendbyte(1, 0x00);
202 epson_sendbyte(1, 0xDB);
203 epson_sendbyte(1, 0x00);
204 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
205 omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
207 /* init LCD phase 9 */
208 epson_sendbyte(0, 0xAF);
209 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
212 static int sx1_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev)
217 static void sx1_panel_cleanup(struct lcd_panel *panel)
221 static void sx1_panel_disable(struct lcd_panel *panel)
223 printk(KERN_INFO "SX1: LCD panel disable\n");
225 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
227 epson_sendbyte(0, 0x25);
228 omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
230 epson_sendbyte(0, 0xAE);
231 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
233 omap_set_gpio_dataout(_A_LCD_SSC_CS, 0);
235 epson_sendbyte(0, 0x95);
236 omap_set_gpio_dataout(_A_LCD_SSC_CS, 1);
239 static int sx1_panel_enable(struct lcd_panel *panel)
242 sx1_panel_disable(); /* try to disable panel first, if we boot from Symbian */
245 printk(KERN_INFO "lcd_sx1: LCD panel enable\n");
250 sx1_setbacklight(0x18);
251 sx1_setkeylight (0x06);
256 static unsigned long sx1_panel_get_caps(struct lcd_panel *panel)
261 struct lcd_panel sx1_panel = {
263 .config = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
264 OMAP_LCDC_INV_HSYNC | OMAP_LCDC_INV_PIX_CLOCK |
265 OMAP_LCDC_INV_OUTPUT_EN,
279 .init = sx1_panel_init,
280 .cleanup = sx1_panel_cleanup,
281 .enable = sx1_panel_enable,
282 .disable = sx1_panel_disable,
283 .get_caps = sx1_panel_get_caps,
286 static int sx1_panel_probe(struct platform_device *pdev)
288 omapfb_register_panel(&sx1_panel);
292 static int sx1_panel_remove(struct platform_device *pdev)
297 static int sx1_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
302 static int sx1_panel_resume(struct platform_device *pdev)
307 struct platform_driver sx1_panel_driver = {
308 .probe = sx1_panel_probe,
309 .remove = sx1_panel_remove,
310 .suspend = sx1_panel_suspend,
311 .resume = sx1_panel_resume,
314 .owner = THIS_MODULE,
318 static int sx1_panel_drv_init(void)
320 return platform_driver_register(&sx1_panel_driver);
323 static void sx1_panel_drv_cleanup(void)
325 platform_driver_unregister(&sx1_panel_driver);
328 module_init(sx1_panel_drv_init);
329 module_exit(sx1_panel_drv_cleanup);