1 /*
2 * linux/arch/arm/mach-omap1/board-sx1.c
3 *
4 * Modified from board-generic.c
5 *
6 * Support for the Siemens SX1 mobile phone.
7 *
8 * Original version : Vladimir Ananiev (Vovan888-at-gmail com)
9 *
10 * Maintainters : Vladimir Ananiev (aka Vovan888), Sergge
11 * oslik.ru
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
16 */
17 #include <linux/gpio.h>
18 #include <linux/kernel.h>
19 #include <linux/init.h>
20 #include <linux/input.h>
21 #include <linux/platform_device.h>
22 #include <linux/notifier.h>
23 #include <linux/mtd/mtd.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/mtd/physmap.h>
26 #include <linux/types.h>
27 #include <linux/i2c.h>
28 #include <linux/errno.h>
29 #include <linux/export.h>
30 #include <linux/omapfb.h>
31 #include <linux/platform_data/keypad-omap.h>
32
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/map.h>
36
37 #include <mach/flash.h>
38 #include <mach/mux.h>
39 #include <linux/omap-dma.h>
40 #include <mach/tc.h>
41 #include <mach/board-sx1.h>
42
43 #include <mach/hardware.h>
44 #include <mach/usb.h>
45
46 #include "common.h"
47
48 /* Write to I2C device */
sx1_i2c_write_byte(u8 devaddr,u8 regoffset,u8 value)49 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
50 {
51 struct i2c_adapter *adap;
52 int err;
53 struct i2c_msg msg[1];
54 unsigned char data[2];
55
56 adap = i2c_get_adapter(0);
57 if (!adap)
58 return -ENODEV;
59 msg->addr = devaddr; /* I2C address of chip */
60 msg->flags = 0;
61 msg->len = 2;
62 msg->buf = data;
63 data[0] = regoffset; /* register num */
64 data[1] = value; /* register data */
65 err = i2c_transfer(adap, msg, 1);
66 i2c_put_adapter(adap);
67 if (err >= 0)
68 return 0;
69 return err;
70 }
71
72 /* Read from I2C device */
sx1_i2c_read_byte(u8 devaddr,u8 regoffset,u8 * value)73 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
74 {
75 struct i2c_adapter *adap;
76 int err;
77 struct i2c_msg msg[1];
78 unsigned char data[2];
79
80 adap = i2c_get_adapter(0);
81 if (!adap)
82 return -ENODEV;
83
84 msg->addr = devaddr; /* I2C address of chip */
85 msg->flags = 0;
86 msg->len = 1;
87 msg->buf = data;
88 data[0] = regoffset; /* register num */
89 err = i2c_transfer(adap, msg, 1);
90
91 msg->addr = devaddr; /* I2C address */
92 msg->flags = I2C_M_RD;
93 msg->len = 1;
94 msg->buf = data;
95 err = i2c_transfer(adap, msg, 1);
96 *value = data[0];
97 i2c_put_adapter(adap);
98
99 if (err >= 0)
100 return 0;
101 return err;
102 }
103 /* set keyboard backlight intensity */
sx1_setkeylight(u8 keylight)104 int sx1_setkeylight(u8 keylight)
105 {
106 if (keylight > SOFIA_MAX_LIGHT_VAL)
107 keylight = SOFIA_MAX_LIGHT_VAL;
108 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
109 }
110 /* get current keylight intensity */
sx1_getkeylight(u8 * keylight)111 int sx1_getkeylight(u8 * keylight)
112 {
113 return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
114 }
115 /* set LCD backlight intensity */
sx1_setbacklight(u8 backlight)116 int sx1_setbacklight(u8 backlight)
117 {
118 if (backlight > SOFIA_MAX_LIGHT_VAL)
119 backlight = SOFIA_MAX_LIGHT_VAL;
120 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
121 backlight);
122 }
123 /* get current LCD backlight intensity */
sx1_getbacklight(u8 * backlight)124 int sx1_getbacklight (u8 * backlight)
125 {
126 return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
127 backlight);
128 }
129 /* set LCD backlight power on/off */
sx1_setmmipower(u8 onoff)130 int sx1_setmmipower(u8 onoff)
131 {
132 int err;
133 u8 dat = 0;
134 err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
135 if (err < 0)
136 return err;
137 if (onoff)
138 dat |= SOFIA_MMILIGHT_POWER;
139 else
140 dat &= ~SOFIA_MMILIGHT_POWER;
141 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
142 }
143
144 /* set USB power on/off */
sx1_setusbpower(u8 onoff)145 int sx1_setusbpower(u8 onoff)
146 {
147 int err;
148 u8 dat = 0;
149 err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
150 if (err < 0)
151 return err;
152 if (onoff)
153 dat |= SOFIA_USB_POWER;
154 else
155 dat &= ~SOFIA_USB_POWER;
156 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
157 }
158
159 EXPORT_SYMBOL(sx1_setkeylight);
160 EXPORT_SYMBOL(sx1_getkeylight);
161 EXPORT_SYMBOL(sx1_setbacklight);
162 EXPORT_SYMBOL(sx1_getbacklight);
163 EXPORT_SYMBOL(sx1_setmmipower);
164 EXPORT_SYMBOL(sx1_setusbpower);
165
166 /*----------- Keypad -------------------------*/
167
168 static const unsigned int sx1_keymap[] = {
169 KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
170 KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
171 KEY(4, 1, GROUP_2 | 114), /* voice memo */
172 KEY(4, 2, GROUP_3 | 114), /* voice memo */
173 KEY(0, 0, GROUP_1 | KEY_F12), /* red button Qt::Key_Hangup */
174 KEY(3, 4, GROUP_1 | KEY_LEFT),
175 KEY(3, 2, GROUP_1 | KEY_DOWN),
176 KEY(3, 1, GROUP_1 | KEY_RIGHT),
177 KEY(3, 0, GROUP_1 | KEY_UP),
178 KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
179 KEY(0, 5, GROUP_1 | KEY_1),
180 KEY(0, 4, GROUP_1 | KEY_2),
181 KEY(0, 3, GROUP_1 | KEY_3),
182 KEY(4, 3, GROUP_1 | KEY_4),
183 KEY(4, 4, GROUP_1 | KEY_5),
184 KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
185 KEY(1, 4, GROUP_1 | KEY_6),
186 KEY(1, 5, GROUP_1 | KEY_7),
187 KEY(1, 3, GROUP_1 | KEY_8),
188 KEY(2, 3, GROUP_1 | KEY_9),
189 KEY(2, 5, GROUP_1 | KEY_0),
190 KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
191 KEY(1, 0, GROUP_1 | KEY_F11), /* green button Qt::Key_Call */
192 KEY(2, 1, GROUP_1 | KEY_YEN), /* left soft Qt::Key_Context1 */
193 KEY(2, 2, GROUP_1 | KEY_F8), /* right soft Qt::Key_Back */
194 KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
195 KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
196 KEY(2, 0, GROUP_1 | KEY_F7), /* menu Qt::Key_Menu */
197 };
198
199 static struct resource sx1_kp_resources[] = {
200 [0] = {
201 .start = INT_KEYBOARD,
202 .end = INT_KEYBOARD,
203 .flags = IORESOURCE_IRQ,
204 },
205 };
206
207 static const struct matrix_keymap_data sx1_keymap_data = {
208 .keymap = sx1_keymap,
209 .keymap_size = ARRAY_SIZE(sx1_keymap),
210 };
211
212 static struct omap_kp_platform_data sx1_kp_data = {
213 .rows = 6,
214 .cols = 6,
215 .keymap_data = &sx1_keymap_data,
216 .delay = 80,
217 };
218
219 static struct platform_device sx1_kp_device = {
220 .name = "omap-keypad",
221 .id = -1,
222 .dev = {
223 .platform_data = &sx1_kp_data,
224 },
225 .num_resources = ARRAY_SIZE(sx1_kp_resources),
226 .resource = sx1_kp_resources,
227 };
228
229 /*----------- MTD -------------------------*/
230
231 static struct mtd_partition sx1_partitions[] = {
232 /* bootloader (U-Boot, etc) in first sector */
233 {
234 .name = "bootloader",
235 .offset = 0x01800000,
236 .size = SZ_128K,
237 .mask_flags = MTD_WRITEABLE, /* force read-only */
238 },
239 /* bootloader params in the next sector */
240 {
241 .name = "params",
242 .offset = MTDPART_OFS_APPEND,
243 .size = SZ_128K,
244 .mask_flags = 0,
245 },
246 /* kernel */
247 {
248 .name = "kernel",
249 .offset = MTDPART_OFS_APPEND,
250 .size = SZ_2M - 2 * SZ_128K,
251 .mask_flags = 0
252 },
253 /* file system */
254 {
255 .name = "filesystem",
256 .offset = MTDPART_OFS_APPEND,
257 .size = MTDPART_SIZ_FULL,
258 .mask_flags = 0
259 }
260 };
261
262 static struct physmap_flash_data sx1_flash_data = {
263 .width = 2,
264 .set_vpp = omap1_set_vpp,
265 .parts = sx1_partitions,
266 .nr_parts = ARRAY_SIZE(sx1_partitions),
267 };
268
269 /* MTD Intel 4000 flash - new flashes */
270 static struct resource sx1_new_flash_resource = {
271 .start = OMAP_CS0_PHYS,
272 .end = OMAP_CS0_PHYS + SZ_32M - 1,
273 .flags = IORESOURCE_MEM,
274 };
275
276 static struct platform_device sx1_flash_device = {
277 .name = "physmap-flash",
278 .id = 0,
279 .dev = {
280 .platform_data = &sx1_flash_data,
281 },
282 .num_resources = 1,
283 .resource = &sx1_new_flash_resource,
284 };
285
286 /*----------- USB -------------------------*/
287
288 static struct omap_usb_config sx1_usb_config __initdata = {
289 .otg = 0,
290 .register_dev = 1,
291 .register_host = 0,
292 .hmc_mode = 0,
293 .pins[0] = 2,
294 .pins[1] = 0,
295 .pins[2] = 0,
296 };
297
298 /*----------- LCD -------------------------*/
299
300 static struct omap_lcd_config sx1_lcd_config __initdata = {
301 .ctrl_name = "internal",
302 };
303
304 /*-----------------------------------------*/
305 static struct platform_device *sx1_devices[] __initdata = {
306 &sx1_flash_device,
307 &sx1_kp_device,
308 };
309
310 /*-----------------------------------------*/
311
omap_sx1_init(void)312 static void __init omap_sx1_init(void)
313 {
314 /* mux pins for uarts */
315 omap_cfg_reg(UART1_TX);
316 omap_cfg_reg(UART1_RTS);
317 omap_cfg_reg(UART2_TX);
318 omap_cfg_reg(UART2_RTS);
319 omap_cfg_reg(UART3_TX);
320 omap_cfg_reg(UART3_RX);
321
322 platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
323
324 omap_serial_init();
325 omap_register_i2c_bus(1, 100, NULL, 0);
326 omap1_usb_init(&sx1_usb_config);
327 sx1_mmc_init();
328
329 /* turn on USB power */
330 /* sx1_setusbpower(1); can't do it here because i2c is not ready */
331 gpio_request(1, "A_IRDA_OFF");
332 gpio_request(11, "A_SWITCH");
333 gpio_request(15, "A_USB_ON");
334 gpio_direction_output(1, 1); /*A_IRDA_OFF = 1 */
335 gpio_direction_output(11, 0); /*A_SWITCH = 0 */
336 gpio_direction_output(15, 0); /*A_USB_ON = 0 */
337
338 omapfb_set_lcd_config(&sx1_lcd_config);
339 }
340
341 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
342 .atag_offset = 0x100,
343 .map_io = omap15xx_map_io,
344 .init_early = omap1_init_early,
345 .init_irq = omap1_init_irq,
346 .init_machine = omap_sx1_init,
347 .init_late = omap1_init_late,
348 .init_time = omap1_timer_init,
349 .restart = omap1_restart,
350 MACHINE_END
351