Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
[linux-2.6] / 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/types.h>
26 #include <linux/i2c.h>
27 #include <linux/errno.h>
28
29 #include <mach/hardware.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/flash.h>
33 #include <asm/mach/map.h>
34
35 #include <mach/gpio.h>
36 #include <mach/mux.h>
37 #include <mach/dma.h>
38 #include <mach/irda.h>
39 #include <mach/usb.h>
40 #include <mach/tc.h>
41 #include <mach/board.h>
42 #include <mach/common.h>
43 #include <mach/keypad.h>
44
45 /* Write to I2C device */
46 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
47 {
48         struct i2c_adapter *adap;
49         int err;
50         struct i2c_msg msg[1];
51         unsigned char data[2];
52
53         adap = i2c_get_adapter(0);
54         if (!adap)
55                 return -ENODEV;
56         msg->addr = devaddr;    /* I2C address of chip */
57         msg->flags = 0;
58         msg->len = 2;
59         msg->buf = data;
60         data[0] = regoffset;    /* register num */
61         data[1] = value;                /* register data */
62         err = i2c_transfer(adap, msg, 1);
63         i2c_put_adapter(adap);
64         if (err >= 0)
65                 return 0;
66         return err;
67 }
68
69 /* Read from I2C device */
70 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
71 {
72         struct i2c_adapter *adap;
73         int err;
74         struct i2c_msg msg[1];
75         unsigned char data[2];
76
77         adap = i2c_get_adapter(0);
78         if (!adap)
79                 return -ENODEV;
80
81         msg->addr = devaddr;    /* I2C address of chip */
82         msg->flags = 0;
83         msg->len = 1;
84         msg->buf = data;
85         data[0] = regoffset;    /* register num */
86         err = i2c_transfer(adap, msg, 1);
87
88         msg->addr = devaddr;    /* I2C address */
89         msg->flags = I2C_M_RD;
90         msg->len = 1;
91         msg->buf = data;
92         err = i2c_transfer(adap, msg, 1);
93         *value = data[0];
94         i2c_put_adapter(adap);
95
96         if (err >= 0)
97                 return 0;
98         return err;
99 }
100 /* set keyboard backlight intensity */
101 int sx1_setkeylight(u8 keylight)
102 {
103         if (keylight > SOFIA_MAX_LIGHT_VAL)
104                 keylight = SOFIA_MAX_LIGHT_VAL;
105         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
106 }
107 /* get current keylight intensity */
108 int sx1_getkeylight(u8 * keylight)
109 {
110         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
111 }
112 /* set LCD backlight intensity */
113 int sx1_setbacklight(u8 backlight)
114 {
115         if (backlight > SOFIA_MAX_LIGHT_VAL)
116                 backlight = SOFIA_MAX_LIGHT_VAL;
117         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
118                                   backlight);
119 }
120 /* get current LCD backlight intensity */
121 int sx1_getbacklight (u8 * backlight)
122 {
123         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
124                                  backlight);
125 }
126 /* set LCD backlight power on/off */
127 int sx1_setmmipower(u8 onoff)
128 {
129         int err;
130         u8 dat = 0;
131         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
132         if (err < 0)
133                 return err;
134         if (onoff)
135                 dat |= SOFIA_MMILIGHT_POWER;
136         else
137                 dat &= ~SOFIA_MMILIGHT_POWER;
138         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
139 }
140
141 /* set USB power on/off */
142 int sx1_setusbpower(u8 onoff)
143 {
144         int err;
145         u8 dat = 0;
146         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
147         if (err < 0)
148                 return err;
149         if (onoff)
150                 dat |= SOFIA_USB_POWER;
151         else
152                 dat &= ~SOFIA_USB_POWER;
153         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
154 }
155
156 EXPORT_SYMBOL(sx1_setkeylight);
157 EXPORT_SYMBOL(sx1_getkeylight);
158 EXPORT_SYMBOL(sx1_setbacklight);
159 EXPORT_SYMBOL(sx1_getbacklight);
160 EXPORT_SYMBOL(sx1_setmmipower);
161 EXPORT_SYMBOL(sx1_setusbpower);
162
163 /*----------- Keypad -------------------------*/
164
165 static int sx1_keymap[] = {
166         KEY(5, 3, GROUP_0 | 117), /* camera Qt::Key_F17 */
167         KEY(0, 4, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
168         KEY(1, 4, GROUP_2 | 114), /* voice memo */
169         KEY(2, 4, GROUP_3 | 114), /* voice memo */
170         KEY(0, 0, GROUP_1 | KEY_F12),   /* red button Qt::Key_Hangup */
171         KEY(4, 3, GROUP_1 | KEY_LEFT),
172         KEY(2, 3, GROUP_1 | KEY_DOWN),
173         KEY(1, 3, GROUP_1 | KEY_RIGHT),
174         KEY(0, 3, GROUP_1 | KEY_UP),
175         KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
176         KEY(5, 0, GROUP_1 | KEY_1),
177         KEY(4, 0, GROUP_1 | KEY_2),
178         KEY(3, 0, GROUP_1 | KEY_3),
179         KEY(3, 4, GROUP_1 | KEY_4),
180         KEY(4, 4, GROUP_1 | KEY_5),
181         KEY(5, 4, GROUP_1 | KEY_KPASTERISK),/* "*" */
182         KEY(4, 1, GROUP_1 | KEY_6),
183         KEY(5, 1, GROUP_1 | KEY_7),
184         KEY(3, 1, GROUP_1 | KEY_8),
185         KEY(3, 2, GROUP_1 | KEY_9),
186         KEY(5, 2, GROUP_1 | KEY_0),
187         KEY(4, 2, GROUP_1 | 113),       /* # F13 Toggle input method Qt::Key_F13 */
188         KEY(0, 1, GROUP_1 | KEY_F11),   /* green button Qt::Key_Call */
189         KEY(1, 2, GROUP_1 | KEY_YEN),   /* left soft Qt::Key_Context1 */
190         KEY(2, 2, GROUP_1 | KEY_F8),    /* right soft Qt::Key_Back */
191         KEY(2, 1, GROUP_1 | KEY_LEFTSHIFT), /* shift */
192         KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
193         KEY(0, 2, GROUP_1 | KEY_F7),    /* menu Qt::Key_Menu */
194         0
195 };
196
197 static struct resource sx1_kp_resources[] = {
198         [0] = {
199                 .start  = INT_KEYBOARD,
200                 .end    = INT_KEYBOARD,
201                 .flags  = IORESOURCE_IRQ,
202         },
203 };
204
205 static struct omap_kp_platform_data sx1_kp_data = {
206         .rows           = 6,
207         .cols           = 6,
208         .keymap = sx1_keymap,
209         .keymapsize = ARRAY_SIZE(sx1_keymap),
210         .delay  = 80,
211 };
212
213 static struct platform_device sx1_kp_device = {
214         .name           = "omap-keypad",
215         .id             = -1,
216         .dev            = {
217                 .platform_data = &sx1_kp_data,
218         },
219         .num_resources  = ARRAY_SIZE(sx1_kp_resources),
220         .resource       = sx1_kp_resources,
221 };
222
223 /*----------- IRDA -------------------------*/
224
225 static struct omap_irda_config sx1_irda_data = {
226         .transceiver_cap        = IR_SIRMODE,
227         .rx_channel             = OMAP_DMA_UART3_RX,
228         .tx_channel             = OMAP_DMA_UART3_TX,
229         .dest_start             = UART3_THR,
230         .src_start              = UART3_RHR,
231         .tx_trigger             = 0,
232         .rx_trigger             = 0,
233 };
234
235 static struct resource sx1_irda_resources[] = {
236         [0] = {
237                 .start  = INT_UART3,
238                 .end    = INT_UART3,
239                 .flags  = IORESOURCE_IRQ,
240         },
241 };
242
243 static u64 irda_dmamask = 0xffffffff;
244
245 static struct platform_device sx1_irda_device = {
246         .name           = "omapirda",
247         .id             = 0,
248         .dev            = {
249                 .platform_data  = &sx1_irda_data,
250                 .dma_mask       = &irda_dmamask,
251         },
252         .num_resources  = ARRAY_SIZE(sx1_irda_resources),
253         .resource       = sx1_irda_resources,
254 };
255
256 /*----------- MTD -------------------------*/
257
258 static struct mtd_partition sx1_partitions[] = {
259         /* bootloader (U-Boot, etc) in first sector */
260         {
261                 .name           = "bootloader",
262                 .offset         = 0x01800000,
263                 .size           = SZ_128K,
264                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
265         },
266         /* bootloader params in the next sector */
267         {
268                 .name           = "params",
269                 .offset         = MTDPART_OFS_APPEND,
270                 .size           = SZ_128K,
271                 .mask_flags     = 0,
272         },
273         /* kernel */
274         {
275                 .name           = "kernel",
276                 .offset         = MTDPART_OFS_APPEND,
277                 .size           = SZ_2M - 2 * SZ_128K,
278                 .mask_flags     = 0
279         },
280         /* file system */
281         {
282                 .name           = "filesystem",
283                 .offset         = MTDPART_OFS_APPEND,
284                 .size           = MTDPART_SIZ_FULL,
285                 .mask_flags     = 0
286         }
287 };
288
289 static struct flash_platform_data sx1_flash_data = {
290         .map_name       = "cfi_probe",
291         .width          = 2,
292         .parts          = sx1_partitions,
293         .nr_parts       = ARRAY_SIZE(sx1_partitions),
294 };
295
296 #ifdef CONFIG_SX1_OLD_FLASH
297 /* MTD Intel StrataFlash - old flashes */
298 static struct resource sx1_old_flash_resource[] = {
299         [0] = {
300                 .start  = OMAP_CS0_PHYS,        /* Physical */
301                 .end    = OMAP_CS0_PHYS + SZ_16M - 1,,
302                 .flags  = IORESOURCE_MEM,
303         },
304         [1] = {
305                 .start  = OMAP_CS1_PHYS,
306                 .end    = OMAP_CS1_PHYS + SZ_8M - 1,
307                 .flags  = IORESOURCE_MEM,
308         },
309 };
310
311 static struct platform_device sx1_flash_device = {
312         .name           = "omapflash",
313         .id             = 0,
314         .dev            = {
315                 .platform_data  = &sx1_flash_data,
316         },
317         .num_resources  = 2,
318         .resource       = &sx1_old_flash_resource,
319 };
320 #else
321 /* MTD Intel 4000 flash - new flashes */
322 static struct resource sx1_new_flash_resource = {
323         .start          = OMAP_CS0_PHYS,
324         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
325         .flags          = IORESOURCE_MEM,
326 };
327
328 static struct platform_device sx1_flash_device = {
329         .name           = "omapflash",
330         .id             = 0,
331         .dev            = {
332                 .platform_data  = &sx1_flash_data,
333         },
334         .num_resources  = 1,
335         .resource       = &sx1_new_flash_resource,
336 };
337 #endif
338
339 /*----------- USB -------------------------*/
340
341 static struct omap_usb_config sx1_usb_config __initdata = {
342         .otg            = 0,
343         .register_dev   = 1,
344         .register_host  = 0,
345         .hmc_mode       = 0,
346         .pins[0]        = 2,
347         .pins[1]        = 0,
348         .pins[2]        = 0,
349 };
350
351 /*----------- LCD -------------------------*/
352
353 static struct platform_device sx1_lcd_device = {
354         .name           = "lcd_sx1",
355         .id             = -1,
356 };
357
358 static struct omap_lcd_config sx1_lcd_config __initdata = {
359         .ctrl_name      = "internal",
360 };
361
362 /*-----------------------------------------*/
363 static struct platform_device *sx1_devices[] __initdata = {
364         &sx1_flash_device,
365         &sx1_kp_device,
366         &sx1_lcd_device,
367         &sx1_irda_device,
368 };
369 /*-----------------------------------------*/
370
371 static struct omap_uart_config sx1_uart_config __initdata = {
372         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
373 };
374
375 static struct omap_board_config_kernel sx1_config[] __initdata = {
376         { OMAP_TAG_USB, &sx1_usb_config },
377         { OMAP_TAG_LCD, &sx1_lcd_config },
378         { OMAP_TAG_UART,        &sx1_uart_config },
379 };
380
381 /*-----------------------------------------*/
382
383 static void __init omap_sx1_init(void)
384 {
385         platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
386
387         omap_board_config = sx1_config;
388         omap_board_config_size = ARRAY_SIZE(sx1_config);
389         omap_serial_init();
390         omap_register_i2c_bus(1, 100, NULL, 0);
391         sx1_mmc_init();
392
393         /* turn on USB power */
394         /* sx1_setusbpower(1); cant do it here because i2c is not ready */
395         gpio_request(1, "A_IRDA_OFF");
396         gpio_request(11, "A_SWITCH");
397         gpio_request(15, "A_USB_ON");
398         gpio_direction_output(1, 1);    /*A_IRDA_OFF = 1 */
399         gpio_direction_output(11, 0);   /*A_SWITCH = 0 */
400         gpio_direction_output(15, 0);   /*A_USB_ON = 0 */
401 }
402 /*----------------------------------------*/
403 static void __init omap_sx1_init_irq(void)
404 {
405         omap1_init_common_hw();
406         omap_init_irq();
407         omap_gpio_init();
408 }
409 /*----------------------------------------*/
410
411 static void __init omap_sx1_map_io(void)
412 {
413         omap1_map_common_io();
414 }
415
416 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
417         .phys_io        = 0xfff00000,
418         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
419         .boot_params    = 0x10000100,
420         .map_io         = omap_sx1_map_io,
421         .init_irq               = omap_sx1_init_irq,
422         .init_machine   = omap_sx1_init,
423         .timer          = &omap_timer,
424 MACHINE_END