Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
[linux-2.6.git] / arch / arm / mach-omap1 / board-sx1.c
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
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
30 #include <mach/hardware.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34
35 #include <mach/gpio.h>
36 #include <plat/flash.h>
37 #include <plat/mux.h>
38 #include <plat/dma.h>
39 #include <plat/irda.h>
40 #include <plat/usb.h>
41 #include <plat/tc.h>
42 #include <plat/board.h>
43 #include <plat/common.h>
44 #include <plat/keypad.h>
45 #include <plat/board-sx1.h>
46
47 /* Write to I2C device */
48 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
49 {
50         struct i2c_adapter *adap;
51         int err;
52         struct i2c_msg msg[1];
53         unsigned char data[2];
54
55         adap = i2c_get_adapter(0);
56         if (!adap)
57                 return -ENODEV;
58         msg->addr = devaddr;    /* I2C address of chip */
59         msg->flags = 0;
60         msg->len = 2;
61         msg->buf = data;
62         data[0] = regoffset;    /* register num */
63         data[1] = value;                /* register data */
64         err = i2c_transfer(adap, msg, 1);
65         i2c_put_adapter(adap);
66         if (err >= 0)
67                 return 0;
68         return err;
69 }
70
71 /* Read from I2C device */
72 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
73 {
74         struct i2c_adapter *adap;
75         int err;
76         struct i2c_msg msg[1];
77         unsigned char data[2];
78
79         adap = i2c_get_adapter(0);
80         if (!adap)
81                 return -ENODEV;
82
83         msg->addr = devaddr;    /* I2C address of chip */
84         msg->flags = 0;
85         msg->len = 1;
86         msg->buf = data;
87         data[0] = regoffset;    /* register num */
88         err = i2c_transfer(adap, msg, 1);
89
90         msg->addr = devaddr;    /* I2C address */
91         msg->flags = I2C_M_RD;
92         msg->len = 1;
93         msg->buf = data;
94         err = i2c_transfer(adap, msg, 1);
95         *value = data[0];
96         i2c_put_adapter(adap);
97
98         if (err >= 0)
99                 return 0;
100         return err;
101 }
102 /* set keyboard backlight intensity */
103 int sx1_setkeylight(u8 keylight)
104 {
105         if (keylight > SOFIA_MAX_LIGHT_VAL)
106                 keylight = SOFIA_MAX_LIGHT_VAL;
107         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
108 }
109 /* get current keylight intensity */
110 int sx1_getkeylight(u8 * keylight)
111 {
112         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
113 }
114 /* set LCD backlight intensity */
115 int sx1_setbacklight(u8 backlight)
116 {
117         if (backlight > SOFIA_MAX_LIGHT_VAL)
118                 backlight = SOFIA_MAX_LIGHT_VAL;
119         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
120                                   backlight);
121 }
122 /* get current LCD backlight intensity */
123 int sx1_getbacklight (u8 * backlight)
124 {
125         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
126                                  backlight);
127 }
128 /* set LCD backlight power on/off */
129 int sx1_setmmipower(u8 onoff)
130 {
131         int err;
132         u8 dat = 0;
133         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
134         if (err < 0)
135                 return err;
136         if (onoff)
137                 dat |= SOFIA_MMILIGHT_POWER;
138         else
139                 dat &= ~SOFIA_MMILIGHT_POWER;
140         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
141 }
142
143 /* set USB power on/off */
144 int sx1_setusbpower(u8 onoff)
145 {
146         int err;
147         u8 dat = 0;
148         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
149         if (err < 0)
150                 return err;
151         if (onoff)
152                 dat |= SOFIA_USB_POWER;
153         else
154                 dat &= ~SOFIA_USB_POWER;
155         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
156 }
157
158 EXPORT_SYMBOL(sx1_setkeylight);
159 EXPORT_SYMBOL(sx1_getkeylight);
160 EXPORT_SYMBOL(sx1_setbacklight);
161 EXPORT_SYMBOL(sx1_getbacklight);
162 EXPORT_SYMBOL(sx1_setmmipower);
163 EXPORT_SYMBOL(sx1_setusbpower);
164
165 /*----------- Keypad -------------------------*/
166
167 static int sx1_keymap[] = {
168         KEY(5, 3, GROUP_0 | 117), /* camera Qt::Key_F17 */
169         KEY(0, 4, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
170         KEY(1, 4, GROUP_2 | 114), /* voice memo */
171         KEY(2, 4, GROUP_3 | 114), /* voice memo */
172         KEY(0, 0, GROUP_1 | KEY_F12),   /* red button Qt::Key_Hangup */
173         KEY(4, 3, GROUP_1 | KEY_LEFT),
174         KEY(2, 3, GROUP_1 | KEY_DOWN),
175         KEY(1, 3, GROUP_1 | KEY_RIGHT),
176         KEY(0, 3, GROUP_1 | KEY_UP),
177         KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
178         KEY(5, 0, GROUP_1 | KEY_1),
179         KEY(4, 0, GROUP_1 | KEY_2),
180         KEY(3, 0, GROUP_1 | KEY_3),
181         KEY(3, 4, GROUP_1 | KEY_4),
182         KEY(4, 4, GROUP_1 | KEY_5),
183         KEY(5, 4, GROUP_1 | KEY_KPASTERISK),/* "*" */
184         KEY(4, 1, GROUP_1 | KEY_6),
185         KEY(5, 1, GROUP_1 | KEY_7),
186         KEY(3, 1, GROUP_1 | KEY_8),
187         KEY(3, 2, GROUP_1 | KEY_9),
188         KEY(5, 2, GROUP_1 | KEY_0),
189         KEY(4, 2, GROUP_1 | 113),       /* # F13 Toggle input method Qt::Key_F13 */
190         KEY(0, 1, GROUP_1 | KEY_F11),   /* green button Qt::Key_Call */
191         KEY(1, 2, GROUP_1 | KEY_YEN),   /* left soft Qt::Key_Context1 */
192         KEY(2, 2, GROUP_1 | KEY_F8),    /* right soft Qt::Key_Back */
193         KEY(2, 1, GROUP_1 | KEY_LEFTSHIFT), /* shift */
194         KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
195         KEY(0, 2, GROUP_1 | KEY_F7),    /* menu Qt::Key_Menu */
196         0
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 struct omap_kp_platform_data sx1_kp_data = {
208         .rows           = 6,
209         .cols           = 6,
210         .keymap = sx1_keymap,
211         .keymapsize = ARRAY_SIZE(sx1_keymap),
212         .delay  = 80,
213 };
214
215 static struct platform_device sx1_kp_device = {
216         .name           = "omap-keypad",
217         .id             = -1,
218         .dev            = {
219                 .platform_data = &sx1_kp_data,
220         },
221         .num_resources  = ARRAY_SIZE(sx1_kp_resources),
222         .resource       = sx1_kp_resources,
223 };
224
225 /*----------- IRDA -------------------------*/
226
227 static struct omap_irda_config sx1_irda_data = {
228         .transceiver_cap        = IR_SIRMODE,
229         .rx_channel             = OMAP_DMA_UART3_RX,
230         .tx_channel             = OMAP_DMA_UART3_TX,
231         .dest_start             = UART3_THR,
232         .src_start              = UART3_RHR,
233         .tx_trigger             = 0,
234         .rx_trigger             = 0,
235 };
236
237 static struct resource sx1_irda_resources[] = {
238         [0] = {
239                 .start  = INT_UART3,
240                 .end    = INT_UART3,
241                 .flags  = IORESOURCE_IRQ,
242         },
243 };
244
245 static u64 irda_dmamask = 0xffffffff;
246
247 static struct platform_device sx1_irda_device = {
248         .name           = "omapirda",
249         .id             = 0,
250         .dev            = {
251                 .platform_data  = &sx1_irda_data,
252                 .dma_mask       = &irda_dmamask,
253         },
254         .num_resources  = ARRAY_SIZE(sx1_irda_resources),
255         .resource       = sx1_irda_resources,
256 };
257
258 /*----------- MTD -------------------------*/
259
260 static struct mtd_partition sx1_partitions[] = {
261         /* bootloader (U-Boot, etc) in first sector */
262         {
263                 .name           = "bootloader",
264                 .offset         = 0x01800000,
265                 .size           = SZ_128K,
266                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
267         },
268         /* bootloader params in the next sector */
269         {
270                 .name           = "params",
271                 .offset         = MTDPART_OFS_APPEND,
272                 .size           = SZ_128K,
273                 .mask_flags     = 0,
274         },
275         /* kernel */
276         {
277                 .name           = "kernel",
278                 .offset         = MTDPART_OFS_APPEND,
279                 .size           = SZ_2M - 2 * SZ_128K,
280                 .mask_flags     = 0
281         },
282         /* file system */
283         {
284                 .name           = "filesystem",
285                 .offset         = MTDPART_OFS_APPEND,
286                 .size           = MTDPART_SIZ_FULL,
287                 .mask_flags     = 0
288         }
289 };
290
291 static struct physmap_flash_data sx1_flash_data = {
292         .width          = 2,
293         .set_vpp        = omap1_set_vpp,
294         .parts          = sx1_partitions,
295         .nr_parts       = ARRAY_SIZE(sx1_partitions),
296 };
297
298 #ifdef CONFIG_SX1_OLD_FLASH
299 /* MTD Intel StrataFlash - old flashes */
300 static struct resource sx1_old_flash_resource[] = {
301         [0] = {
302                 .start  = OMAP_CS0_PHYS,        /* Physical */
303                 .end    = OMAP_CS0_PHYS + SZ_16M - 1,,
304                 .flags  = IORESOURCE_MEM,
305         },
306         [1] = {
307                 .start  = OMAP_CS1_PHYS,
308                 .end    = OMAP_CS1_PHYS + SZ_8M - 1,
309                 .flags  = IORESOURCE_MEM,
310         },
311 };
312
313 static struct platform_device sx1_flash_device = {
314         .name           = "physmap-flash",
315         .id             = 0,
316         .dev            = {
317                 .platform_data  = &sx1_flash_data,
318         },
319         .num_resources  = 2,
320         .resource       = &sx1_old_flash_resource,
321 };
322 #else
323 /* MTD Intel 4000 flash - new flashes */
324 static struct resource sx1_new_flash_resource = {
325         .start          = OMAP_CS0_PHYS,
326         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
327         .flags          = IORESOURCE_MEM,
328 };
329
330 static struct platform_device sx1_flash_device = {
331         .name           = "physmap-flash",
332         .id             = 0,
333         .dev            = {
334                 .platform_data  = &sx1_flash_data,
335         },
336         .num_resources  = 1,
337         .resource       = &sx1_new_flash_resource,
338 };
339 #endif
340
341 /*----------- USB -------------------------*/
342
343 static struct omap_usb_config sx1_usb_config __initdata = {
344         .otg            = 0,
345         .register_dev   = 1,
346         .register_host  = 0,
347         .hmc_mode       = 0,
348         .pins[0]        = 2,
349         .pins[1]        = 0,
350         .pins[2]        = 0,
351 };
352
353 /*----------- LCD -------------------------*/
354
355 static struct platform_device sx1_lcd_device = {
356         .name           = "lcd_sx1",
357         .id             = -1,
358 };
359
360 static struct omap_lcd_config sx1_lcd_config __initdata = {
361         .ctrl_name      = "internal",
362 };
363
364 /*-----------------------------------------*/
365 static struct platform_device *sx1_devices[] __initdata = {
366         &sx1_flash_device,
367         &sx1_kp_device,
368         &sx1_lcd_device,
369         &sx1_irda_device,
370 };
371 /*-----------------------------------------*/
372
373 static struct omap_board_config_kernel sx1_config[] __initdata = {
374         { OMAP_TAG_LCD, &sx1_lcd_config },
375 };
376
377 /*-----------------------------------------*/
378
379 static void __init omap_sx1_init(void)
380 {
381         /* mux pins for uarts */
382         omap_cfg_reg(UART1_TX);
383         omap_cfg_reg(UART1_RTS);
384         omap_cfg_reg(UART2_TX);
385         omap_cfg_reg(UART2_RTS);
386         omap_cfg_reg(UART3_TX);
387         omap_cfg_reg(UART3_RX);
388
389         platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
390
391         omap_board_config = sx1_config;
392         omap_board_config_size = ARRAY_SIZE(sx1_config);
393         omap_serial_init();
394         omap_register_i2c_bus(1, 100, NULL, 0);
395         omap1_usb_init(&sx1_usb_config);
396         sx1_mmc_init();
397
398         /* turn on USB power */
399         /* sx1_setusbpower(1); cant do it here because i2c is not ready */
400         gpio_request(1, "A_IRDA_OFF");
401         gpio_request(11, "A_SWITCH");
402         gpio_request(15, "A_USB_ON");
403         gpio_direction_output(1, 1);    /*A_IRDA_OFF = 1 */
404         gpio_direction_output(11, 0);   /*A_SWITCH = 0 */
405         gpio_direction_output(15, 0);   /*A_USB_ON = 0 */
406 }
407 /*----------------------------------------*/
408 static void __init omap_sx1_init_irq(void)
409 {
410         omap1_init_common_hw();
411         omap_init_irq();
412         omap_gpio_init();
413 }
414 /*----------------------------------------*/
415
416 static void __init omap_sx1_map_io(void)
417 {
418         omap1_map_common_io();
419 }
420
421 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
422         .boot_params    = 0x10000100,
423         .map_io         = omap_sx1_map_io,
424         .reserve        = omap_reserve,
425         .init_irq       = omap_sx1_init_irq,
426         .init_machine   = omap_sx1_init,
427         .timer          = &omap_timer,
428 MACHINE_END