Pull cpuidle into release branch
[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 <asm/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 <asm/arch/gpio.h>
36 #include <asm/arch/mux.h>
37 #include <asm/arch/irda.h>
38 #include <asm/arch/usb.h>
39 #include <asm/arch/tc.h>
40 #include <asm/arch/board.h>
41 #include <asm/arch/common.h>
42 #include <asm/arch/mcbsp.h>
43 #include <asm/arch/omap-alsa.h>
44 #include <asm/arch/keypad.h>
45
46 /* Write to I2C device */
47 int i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
48 {
49         struct i2c_adapter *adap;
50         int err;
51         struct i2c_msg msg[1];
52         unsigned char data[2];
53
54         adap = i2c_get_adapter(0);
55         if (!adap)
56                 return -ENODEV;
57         msg->addr = devaddr;    /* I2C address of chip */
58         msg->flags = 0;
59         msg->len = 2;
60         msg->buf = data;
61         data[0] = regoffset;    /* register num */
62         data[1] = value;                /* register data */
63         err = i2c_transfer(adap, msg, 1);
64         if (err >= 0)
65                 return 0;
66         return err;
67 }
68
69 /* Read from I2C device */
70 int 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
95         if (err >= 0)
96                 return 0;
97         return err;
98 }
99 /* set keyboard backlight intensity */
100 int sx1_setkeylight(u8 keylight)
101 {
102         if (keylight > SOFIA_MAX_LIGHT_VAL)
103                 keylight = SOFIA_MAX_LIGHT_VAL;
104         return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
105 }
106 /* get current keylight intensity */
107 int sx1_getkeylight(u8 * keylight)
108 {
109         return i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
110 }
111 /* set LCD backlight intensity */
112 int sx1_setbacklight(u8 backlight)
113 {
114         if (backlight > SOFIA_MAX_LIGHT_VAL)
115                 backlight = SOFIA_MAX_LIGHT_VAL;
116         return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, backlight);
117 }
118 /* get current LCD backlight intensity */
119 int sx1_getbacklight (u8 * backlight)
120 {
121         return i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, backlight);
122 }
123 /* set LCD backlight power on/off */
124 int sx1_setmmipower(u8 onoff)
125 {
126         int err;
127         u8 dat = 0;
128         err = i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
129         if (err < 0)
130                 return err;
131         if (onoff)
132                 dat |= SOFIA_MMILIGHT_POWER;
133         else
134                 dat &= ~SOFIA_MMILIGHT_POWER;
135         return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
136 }
137 /* set MMC power on/off */
138 int sx1_setmmcpower(u8 onoff)
139 {
140         int err;
141         u8 dat = 0;
142         err = i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
143         if (err < 0)
144                 return err;
145         if (onoff)
146                 dat |= SOFIA_MMC_POWER;
147         else
148                 dat &= ~SOFIA_MMC_POWER;
149         return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
150 }
151 /* set USB power on/off */
152 int sx1_setusbpower(u8 onoff)
153 {
154         int err;
155         u8 dat = 0;
156         err = i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
157         if (err < 0)
158                 return err;
159         if (onoff)
160                 dat |= SOFIA_USB_POWER;
161         else
162                 dat &= ~SOFIA_USB_POWER;
163         return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
164 }
165
166 EXPORT_SYMBOL(sx1_setkeylight);
167 EXPORT_SYMBOL(sx1_getkeylight);
168 EXPORT_SYMBOL(sx1_setbacklight);
169 EXPORT_SYMBOL(sx1_getbacklight);
170 EXPORT_SYMBOL(sx1_setmmipower);
171 EXPORT_SYMBOL(sx1_setmmcpower);
172 EXPORT_SYMBOL(sx1_setusbpower);
173
174 /*----------- Keypad -------------------------*/
175
176 static int sx1_keymap[] = {
177         KEY(5, 3, GROUP_0 | 117), /* camera Qt::Key_F17 */
178         KEY(0, 4, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
179         KEY(1, 4, GROUP_2 | 114), /* voice memo */
180         KEY(2, 4, GROUP_3 | 114), /* voice memo */
181         KEY(0, 0, GROUP_1 | KEY_F12),   /* red button Qt::Key_Hangup */
182         KEY(4, 3, GROUP_1 | KEY_LEFT),
183         KEY(2, 3, GROUP_1 | KEY_DOWN),
184         KEY(1, 3, GROUP_1 | KEY_RIGHT),
185         KEY(0, 3, GROUP_1 | KEY_UP),
186         KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
187         KEY(5, 0, GROUP_1 | KEY_1),
188         KEY(4, 0, GROUP_1 | KEY_2),
189         KEY(3, 0, GROUP_1 | KEY_3),
190         KEY(3, 4, GROUP_1 | KEY_4),
191         KEY(4, 4, GROUP_1 | KEY_5),
192         KEY(5, 4, GROUP_1 | KEY_KPASTERISK),/* "*" */
193         KEY(4, 1, GROUP_1 | KEY_6),
194         KEY(5, 1, GROUP_1 | KEY_7),
195         KEY(3, 1, GROUP_1 | KEY_8),
196         KEY(3, 2, GROUP_1 | KEY_9),
197         KEY(5, 2, GROUP_1 | KEY_0),
198         KEY(4, 2, GROUP_1 | 113),       /* # F13 Toggle input method Qt::Key_F13 */
199         KEY(0, 1, GROUP_1 | KEY_F11),   /* green button Qt::Key_Call */
200         KEY(1, 2, GROUP_1 | KEY_YEN),   /* left soft Qt::Key_Context1 */
201         KEY(2, 2, GROUP_1 | KEY_F8),    /* right soft Qt::Key_Back */
202         KEY(2, 1, GROUP_1 | KEY_LEFTSHIFT), /* shift */
203         KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
204         KEY(0, 2, GROUP_1 | KEY_F7),    /* menu Qt::Key_Menu */
205         0
206 };
207
208 static struct resource sx1_kp_resources[] = {
209         [0] = {
210                 .start  = INT_KEYBOARD,
211                 .end    = INT_KEYBOARD,
212                 .flags  = IORESOURCE_IRQ,
213         },
214 };
215
216 static struct omap_kp_platform_data sx1_kp_data = {
217         .rows           = 6,
218         .cols           = 6,
219         .keymap = sx1_keymap,
220         .keymapsize = ARRAY_SIZE(sx1_keymap),
221         .delay  = 80,
222 };
223
224 static struct platform_device sx1_kp_device = {
225         .name           = "omap-keypad",
226         .id             = -1,
227         .dev            = {
228                 .platform_data = &sx1_kp_data,
229         },
230         .num_resources  = ARRAY_SIZE(sx1_kp_resources),
231         .resource       = sx1_kp_resources,
232 };
233
234 /*----------- IRDA -------------------------*/
235
236 static struct omap_irda_config sx1_irda_data = {
237         .transceiver_cap        = IR_SIRMODE,
238         .rx_channel             = OMAP_DMA_UART3_RX,
239         .tx_channel             = OMAP_DMA_UART3_TX,
240         .dest_start             = UART3_THR,
241         .src_start              = UART3_RHR,
242         .tx_trigger             = 0,
243         .rx_trigger             = 0,
244 };
245
246 static struct resource sx1_irda_resources[] = {
247         [0] = {
248                 .start  = INT_UART3,
249                 .end    = INT_UART3,
250                 .flags  = IORESOURCE_IRQ,
251         },
252 };
253
254 static u64 irda_dmamask = 0xffffffff;
255
256 static struct platform_device sx1_irda_device = {
257         .name           = "omapirda",
258         .id             = 0,
259         .dev            = {
260                 .platform_data  = &sx1_irda_data,
261                 .dma_mask       = &irda_dmamask,
262         },
263         .num_resources  = ARRAY_SIZE(sx1_irda_resources),
264         .resource       = sx1_irda_resources,
265 };
266
267 /*----------- McBSP & Sound -------------------------*/
268
269 /* Playback interface - McBSP1 */
270 static struct omap_mcbsp_reg_cfg mcbsp1_regs = {
271         .spcr2  = XINTM(3),     /* SPCR2=30 */
272         .spcr1  = RINTM(3),     /* SPCR1=30 */
273         .rcr2   = 0,    /* RCR2 =00 */
274         .rcr1   = RFRLEN1(1) | RWDLEN1(OMAP_MCBSP_WORD_16),     /* RCR1=140 */
275         .xcr2   = 0,    /* XCR2 = 0 */
276         .xcr1   = XFRLEN1(1) | XWDLEN1(OMAP_MCBSP_WORD_16),     /* XCR1 = 140 */
277         .srgr1  = FWID(15) | CLKGDV(12),        /* SRGR1=0f0c */
278         .srgr2  = FSGM | FPER(31),      /* SRGR2=101f */
279         .pcr0   = FSXM | FSRM | CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
280                                                 /* PCR0 =0f0f */
281 };
282
283 /* TODO: PCM interface - McBSP2 */
284 static struct omap_mcbsp_reg_cfg mcbsp2_regs = {
285         .spcr2  = FRST | GRST | XRST | XINTM(3),        /* SPCR2=F1 */
286         .spcr1  = RINTM(3) | RRST,      /* SPCR1=30 */
287         .rcr2   = 0,    /* RCR2 =00 */
288         .rcr1   = RFRLEN1(1) | RWDLEN1(OMAP_MCBSP_WORD_16), /* RCR1 = 140 */
289         .xcr2   = 0,    /* XCR2 = 0 */
290         .xcr1   = XFRLEN1(1) | XWDLEN1(OMAP_MCBSP_WORD_16), /* XCR1 = 140 */
291         .srgr1  = FWID(15) | CLKGDV(12),        /* SRGR1=0f0c */
292         .srgr2  = FSGM | FPER(31),      /* SRGR2=101f */
293         .pcr0   = FSXM | FSRM | CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
294                                                 /* PCR0=0f0f */
295         /* mcbsp: slave */
296 };
297
298 static struct omap_alsa_codec_config sx1_alsa_config = {
299         .name                   = "SX1 EGold",
300         .mcbsp_regs_alsa        = &mcbsp1_regs,
301 };
302
303 static struct platform_device sx1_mcbsp1_device = {
304         .name   = "omap_alsa_mcbsp",
305         .id     = 1,
306         .dev = {
307                 .platform_data  = &sx1_alsa_config,
308         },
309 };
310
311 /*----------- MTD -------------------------*/
312
313 static struct mtd_partition sx1_partitions[] = {
314         /* bootloader (U-Boot, etc) in first sector */
315         {
316                 .name           = "bootloader",
317                 .offset         = 0x01800000,
318                 .size           = SZ_128K,
319                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
320         },
321         /* bootloader params in the next sector */
322         {
323                 .name           = "params",
324                 .offset         = MTDPART_OFS_APPEND,
325                 .size           = SZ_128K,
326                 .mask_flags     = 0,
327         },
328         /* kernel */
329         {
330                 .name           = "kernel",
331                 .offset         = MTDPART_OFS_APPEND,
332                 .size           = SZ_2M - 2 * SZ_128K,
333                 .mask_flags     = 0
334         },
335         /* file system */
336         {
337                 .name           = "filesystem",
338                 .offset         = MTDPART_OFS_APPEND,
339                 .size           = MTDPART_SIZ_FULL,
340                 .mask_flags     = 0
341         }
342 };
343
344 static struct flash_platform_data sx1_flash_data = {
345         .map_name       = "cfi_probe",
346         .width          = 2,
347         .parts          = sx1_partitions,
348         .nr_parts       = ARRAY_SIZE(sx1_partitions),
349 };
350
351 #ifdef CONFIG_SX1_OLD_FLASH
352 /* MTD Intel StrataFlash - old flashes */
353 static struct resource sx1_old_flash_resource[] = {
354         [0] = {
355                 .start  = OMAP_CS0_PHYS,        /* Physical */
356                 .end    = OMAP_CS0_PHYS + SZ_16M - 1,,
357                 .flags  = IORESOURCE_MEM,
358         },
359         [1] = {
360                 .start  = OMAP_CS1_PHYS,
361                 .end    = OMAP_CS1_PHYS + SZ_8M - 1,
362                 .flags  = IORESOURCE_MEM,
363         },
364 };
365
366 static struct platform_device sx1_flash_device = {
367         .name           = "omapflash",
368         .id             = 0,
369         .dev            = {
370                 .platform_data  = &sx1_flash_data,
371         },
372         .num_resources  = 2,
373         .resource       = &sx1_old_flash_resource,
374 };
375 #else
376 /* MTD Intel 4000 flash - new flashes */
377 static struct resource sx1_new_flash_resource = {
378         .start          = OMAP_CS0_PHYS,
379         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
380         .flags          = IORESOURCE_MEM,
381 };
382
383 static struct platform_device sx1_flash_device = {
384         .name           = "omapflash",
385         .id             = 0,
386         .dev            = {
387                 .platform_data  = &sx1_flash_data,
388         },
389         .num_resources  = 1,
390         .resource       = &sx1_new_flash_resource,
391 };
392 #endif
393
394 /*----------- USB -------------------------*/
395
396 static struct omap_usb_config sx1_usb_config __initdata = {
397         .otg            = 0,
398         .register_dev   = 1,
399         .register_host  = 0,
400         .hmc_mode       = 0,
401         .pins[0]        = 2,
402         .pins[1]        = 0,
403         .pins[2]        = 0,
404 };
405
406 /*----------- MMC -------------------------*/
407
408 static struct omap_mmc_config sx1_mmc_config __initdata = {
409         .mmc [0] = {
410                 .enabled        = 1,
411                 .wire4          = 0,
412                 .wp_pin         = -1,
413                 .power_pin      = -1, /* power is in Sofia */
414                 .switch_pin     = OMAP_MPUIO(3),
415         },
416 };
417
418 /*----------- LCD -------------------------*/
419
420 static struct platform_device sx1_lcd_device = {
421         .name           = "lcd_sx1",
422         .id             = -1,
423 };
424
425 static struct omap_lcd_config sx1_lcd_config __initdata = {
426         .ctrl_name      = "internal",
427 };
428
429 /*-----------------------------------------*/
430 static struct platform_device *sx1_devices[] __initdata = {
431         &sx1_flash_device,
432         &sx1_kp_device,
433         &sx1_lcd_device,
434         &sx1_mcbsp1_device,
435         &sx1_irda_device,
436 };
437 /*-----------------------------------------*/
438
439 static struct omap_uart_config sx1_uart_config __initdata = {
440         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
441 };
442
443 static struct omap_board_config_kernel sx1_config[] = {
444         { OMAP_TAG_USB, &sx1_usb_config },
445         { OMAP_TAG_MMC, &sx1_mmc_config },
446         { OMAP_TAG_LCD, &sx1_lcd_config },
447         { OMAP_TAG_UART,        &sx1_uart_config },
448 };
449 /*-----------------------------------------*/
450 static void __init omap_sx1_init(void)
451 {
452         platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
453
454         omap_board_config = sx1_config;
455         omap_board_config_size = ARRAY_SIZE(sx1_config);
456         omap_serial_init();
457
458         /* turn on USB power */
459         /* sx1_setusbpower(1); cant do it here because i2c is not ready */
460         omap_request_gpio(1);   /* A_IRDA_OFF */
461         omap_request_gpio(11);  /* A_SWITCH */
462         omap_request_gpio(15);  /* A_USB_ON */
463         omap_set_gpio_direction(1, 0);/* gpio1 -> output */
464         omap_set_gpio_direction(11, 0);/* gpio11 -> output */
465         omap_set_gpio_direction(15, 0);/* gpio15 -> output */
466         /* set GPIO data */
467         omap_set_gpio_dataout(1, 1);/*A_IRDA_OFF = 1 */
468         omap_set_gpio_dataout(11, 0);/*A_SWITCH = 0 */
469         omap_set_gpio_dataout(15, 0);/*A_USB_ON = 0 */
470
471 }
472 /*----------------------------------------*/
473 static void __init omap_sx1_init_irq(void)
474 {
475         omap1_init_common_hw();
476         omap_init_irq();
477         omap_gpio_init();
478 }
479 /*----------------------------------------*/
480
481 static void __init omap_sx1_map_io(void)
482 {
483         omap1_map_common_io();
484 }
485
486 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
487         .phys_io        = 0xfff00000,
488         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
489         .boot_params    = 0x10000100,
490         .map_io         = omap_sx1_map_io,
491         .init_irq               = omap_sx1_init_irq,
492         .init_machine   = omap_sx1_init,
493         .timer          = &omap_timer,
494 MACHINE_END