mioa701.c 21 KB

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  1. /*
  2. * Handles the Mitac Mio A701 Board
  3. *
  4. * Copyright (C) 2008 Robert Jarzmik
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19. *
  20. */
  21. #include <linux/kernel.h>
  22. #include <linux/init.h>
  23. #include <linux/platform_device.h>
  24. #include <linux/sysdev.h>
  25. #include <linux/input.h>
  26. #include <linux/delay.h>
  27. #include <linux/gpio_keys.h>
  28. #include <linux/pwm_backlight.h>
  29. #include <linux/rtc.h>
  30. #include <linux/leds.h>
  31. #include <linux/gpio.h>
  32. #include <linux/interrupt.h>
  33. #include <linux/irq.h>
  34. #include <linux/pda_power.h>
  35. #include <linux/power_supply.h>
  36. #include <linux/wm97xx_batt.h>
  37. #include <linux/mtd/physmap.h>
  38. #include <linux/usb/gpio_vbus.h>
  39. #include <linux/regulator/max1586.h>
  40. #include <asm/mach-types.h>
  41. #include <asm/mach/arch.h>
  42. #include <mach/pxa27x.h>
  43. #include <mach/regs-rtc.h>
  44. #include <mach/pxa27x_keypad.h>
  45. #include <mach/pxafb.h>
  46. #include <mach/mmc.h>
  47. #include <mach/udc.h>
  48. #include <mach/pxa27x-udc.h>
  49. #include <plat/i2c.h>
  50. #include <mach/camera.h>
  51. #include <mach/audio.h>
  52. #include <media/soc_camera.h>
  53. #include <mach/mioa701.h>
  54. #include "generic.h"
  55. #include "devices.h"
  56. static unsigned long mioa701_pin_config[] = {
  57. /* Mio global */
  58. MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
  59. MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
  60. MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
  61. MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
  62. MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
  63. /* Backlight PWM 0 */
  64. GPIO16_PWM0_OUT,
  65. /* MMC */
  66. GPIO32_MMC_CLK,
  67. GPIO92_MMC_DAT_0,
  68. GPIO109_MMC_DAT_1,
  69. GPIO110_MMC_DAT_2,
  70. GPIO111_MMC_DAT_3,
  71. GPIO112_MMC_CMD,
  72. MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
  73. MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
  74. MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
  75. /* USB */
  76. MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
  77. MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
  78. /* LCD */
  79. GPIO58_LCD_LDD_0,
  80. GPIO59_LCD_LDD_1,
  81. GPIO60_LCD_LDD_2,
  82. GPIO61_LCD_LDD_3,
  83. GPIO62_LCD_LDD_4,
  84. GPIO63_LCD_LDD_5,
  85. GPIO64_LCD_LDD_6,
  86. GPIO65_LCD_LDD_7,
  87. GPIO66_LCD_LDD_8,
  88. GPIO67_LCD_LDD_9,
  89. GPIO68_LCD_LDD_10,
  90. GPIO69_LCD_LDD_11,
  91. GPIO70_LCD_LDD_12,
  92. GPIO71_LCD_LDD_13,
  93. GPIO72_LCD_LDD_14,
  94. GPIO73_LCD_LDD_15,
  95. GPIO74_LCD_FCLK,
  96. GPIO75_LCD_LCLK,
  97. GPIO76_LCD_PCLK,
  98. /* QCI */
  99. GPIO12_CIF_DD_7,
  100. GPIO17_CIF_DD_6,
  101. GPIO50_CIF_DD_3,
  102. GPIO51_CIF_DD_2,
  103. GPIO52_CIF_DD_4,
  104. GPIO53_CIF_MCLK,
  105. GPIO54_CIF_PCLK,
  106. GPIO55_CIF_DD_1,
  107. GPIO81_CIF_DD_0,
  108. GPIO82_CIF_DD_5,
  109. GPIO84_CIF_FV,
  110. GPIO85_CIF_LV,
  111. /* Bluetooth */
  112. MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
  113. GPIO44_BTUART_CTS,
  114. GPIO42_BTUART_RXD,
  115. GPIO45_BTUART_RTS,
  116. GPIO43_BTUART_TXD,
  117. MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
  118. MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
  119. MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
  120. /* GPS */
  121. MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
  122. MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
  123. MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
  124. MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
  125. MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
  126. GPIO46_STUART_RXD,
  127. GPIO47_STUART_TXD,
  128. /* GSM */
  129. MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
  130. MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
  131. MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
  132. MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
  133. MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
  134. MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
  135. GPIO34_FFUART_RXD,
  136. GPIO35_FFUART_CTS,
  137. GPIO36_FFUART_DCD,
  138. GPIO37_FFUART_DSR,
  139. GPIO39_FFUART_TXD,
  140. GPIO40_FFUART_DTR,
  141. GPIO41_FFUART_RTS,
  142. /* Sound */
  143. GPIO89_AC97_SYSCLK,
  144. MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
  145. /* Leds */
  146. MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
  147. MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
  148. MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
  149. MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
  150. MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
  151. /* Keyboard */
  152. MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
  153. MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
  154. MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
  155. GPIO100_KP_MKIN_0,
  156. GPIO101_KP_MKIN_1,
  157. GPIO102_KP_MKIN_2,
  158. GPIO103_KP_MKOUT_0,
  159. GPIO104_KP_MKOUT_1,
  160. GPIO105_KP_MKOUT_2,
  161. /* I2C */
  162. GPIO117_I2C_SCL,
  163. GPIO118_I2C_SDA,
  164. /* Unknown */
  165. MFP_CFG_IN(GPIO20, AF0),
  166. MFP_CFG_IN(GPIO21, AF0),
  167. MFP_CFG_IN(GPIO33, AF0),
  168. MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
  169. MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
  170. MFP_CFG_IN(GPIO96, AF0),
  171. MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
  172. };
  173. #define MIO_GPIO_IN(num, _desc) \
  174. { .gpio = (num), .dir = 0, .desc = (_desc) }
  175. #define MIO_GPIO_OUT(num, _init, _desc) \
  176. { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
  177. struct gpio_ress {
  178. unsigned gpio : 8;
  179. unsigned dir : 1;
  180. unsigned init : 1;
  181. char *desc;
  182. };
  183. static int mio_gpio_request(struct gpio_ress *gpios, int size)
  184. {
  185. int i, rc = 0;
  186. int gpio;
  187. int dir;
  188. for (i = 0; (!rc) && (i < size); i++) {
  189. gpio = gpios[i].gpio;
  190. dir = gpios[i].dir;
  191. rc = gpio_request(gpio, gpios[i].desc);
  192. if (rc) {
  193. printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n",
  194. gpio, gpios[i].desc, rc);
  195. continue;
  196. }
  197. if (dir)
  198. gpio_direction_output(gpio, gpios[i].init);
  199. else
  200. gpio_direction_input(gpio);
  201. }
  202. while ((rc) && (--i >= 0))
  203. gpio_free(gpios[i].gpio);
  204. return rc;
  205. }
  206. static void mio_gpio_free(struct gpio_ress *gpios, int size)
  207. {
  208. int i;
  209. for (i = 0; i < size; i++)
  210. gpio_free(gpios[i].gpio);
  211. }
  212. /* LCD Screen and Backlight */
  213. static struct platform_pwm_backlight_data mioa701_backlight_data = {
  214. .pwm_id = 0,
  215. .max_brightness = 100,
  216. .dft_brightness = 50,
  217. .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */
  218. };
  219. /*
  220. * LTM0305A776C LCD panel timings
  221. *
  222. * see:
  223. * - the LTM0305A776C datasheet,
  224. * - and the PXA27x Programmers' manual
  225. */
  226. static struct pxafb_mode_info mioa701_ltm0305a776c = {
  227. .pixclock = 220000, /* CLK=4.545 MHz */
  228. .xres = 240,
  229. .yres = 320,
  230. .bpp = 16,
  231. .hsync_len = 4,
  232. .vsync_len = 2,
  233. .left_margin = 6,
  234. .right_margin = 4,
  235. .upper_margin = 5,
  236. .lower_margin = 3,
  237. };
  238. static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
  239. {
  240. gpio_set_value(GPIO87_LCD_POWER, on);
  241. }
  242. static struct pxafb_mach_info mioa701_pxafb_info = {
  243. .modes = &mioa701_ltm0305a776c,
  244. .num_modes = 1,
  245. .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
  246. .pxafb_lcd_power = mioa701_lcd_power,
  247. };
  248. /*
  249. * Keyboard configuration
  250. */
  251. static unsigned int mioa701_matrix_keys[] = {
  252. KEY(0, 0, KEY_UP),
  253. KEY(0, 1, KEY_RIGHT),
  254. KEY(0, 2, KEY_MEDIA),
  255. KEY(1, 0, KEY_DOWN),
  256. KEY(1, 1, KEY_ENTER),
  257. KEY(1, 2, KEY_CONNECT), /* GPS key */
  258. KEY(2, 0, KEY_LEFT),
  259. KEY(2, 1, KEY_PHONE), /* Phone Green key */
  260. KEY(2, 2, KEY_CAMERA) /* Camera key */
  261. };
  262. static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
  263. .matrix_key_rows = 3,
  264. .matrix_key_cols = 3,
  265. .matrix_key_map = mioa701_matrix_keys,
  266. .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
  267. };
  268. /*
  269. * GPIO Key Configuration
  270. */
  271. #define MIO_KEY(key, _gpio, _desc, _wakeup) \
  272. { .code = (key), .gpio = (_gpio), .active_low = 0, \
  273. .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
  274. static struct gpio_keys_button mioa701_button_table[] = {
  275. MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
  276. MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
  277. MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
  278. MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
  279. };
  280. static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
  281. .buttons = mioa701_button_table,
  282. .nbuttons = ARRAY_SIZE(mioa701_button_table),
  283. };
  284. /*
  285. * Leds and vibrator
  286. */
  287. #define ONE_LED(_gpio, _name) \
  288. { .gpio = (_gpio), .name = (_name), .active_low = true }
  289. static struct gpio_led gpio_leds[] = {
  290. ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
  291. ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
  292. ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
  293. ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
  294. ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
  295. };
  296. static struct gpio_led_platform_data gpio_led_info = {
  297. .leds = gpio_leds,
  298. .num_leds = ARRAY_SIZE(gpio_leds),
  299. };
  300. /*
  301. * GSM Sagem XS200 chip
  302. *
  303. * GSM handling was purged from kernel. For history, this is the way to go :
  304. * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
  305. * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
  306. * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
  307. * GPIO24_GSM_MOD_RESET_CMD = 0
  308. * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
  309. * GPIO88_GSM_nMOD_ON_CMD = 1
  310. * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
  311. * GPIO90_GSM_nMOD_OFF_CMD = 1
  312. */
  313. static int is_gsm_on(void)
  314. {
  315. int is_on;
  316. is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
  317. return is_on;
  318. }
  319. irqreturn_t gsm_on_irq(int irq, void *p)
  320. {
  321. printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
  322. is_gsm_on() ? "on" : "off");
  323. return IRQ_HANDLED;
  324. }
  325. struct gpio_ress gsm_gpios[] = {
  326. MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"),
  327. MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"),
  328. };
  329. static int __init gsm_init(void)
  330. {
  331. int rc;
  332. rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios));
  333. if (rc)
  334. goto err_gpio;
  335. rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
  336. IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  337. "GSM XS200 Power Irq", NULL);
  338. if (rc)
  339. goto err_irq;
  340. gpio_set_wake(GPIO113_GSM_EVENT, 1);
  341. return 0;
  342. err_irq:
  343. printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
  344. mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
  345. err_gpio:
  346. printk(KERN_ERR "Mioa701: gsm not available\n");
  347. return rc;
  348. }
  349. static void gsm_exit(void)
  350. {
  351. free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
  352. mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
  353. }
  354. /*
  355. * Bluetooth BRF6150 chip
  356. *
  357. * BT handling was purged from kernel. For history, this is the way to go :
  358. * - turn on : GPIO83_BT_ON = 1
  359. * - turn off : GPIO83_BT_ON = 0
  360. */
  361. /*
  362. * GPS Sirf Star III chip
  363. *
  364. * GPS handling was purged from kernel. For history, this is the way to go :
  365. * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  366. * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
  367. * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
  368. * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
  369. */
  370. /*
  371. * USB UDC
  372. */
  373. static int is_usb_connected(void)
  374. {
  375. return !gpio_get_value(GPIO13_nUSB_DETECT);
  376. }
  377. static struct pxa2xx_udc_mach_info mioa701_udc_info = {
  378. .udc_is_connected = is_usb_connected,
  379. .gpio_pullup = GPIO22_USB_ENABLE,
  380. };
  381. struct gpio_vbus_mach_info gpio_vbus_data = {
  382. .gpio_vbus = GPIO13_nUSB_DETECT,
  383. .gpio_vbus_inverted = 1,
  384. .gpio_pullup = -1,
  385. };
  386. /*
  387. * SDIO/MMC Card controller
  388. */
  389. /**
  390. * The card detect interrupt isn't debounced so we delay it by 250ms
  391. * to give the card a chance to fully insert/eject.
  392. */
  393. static struct pxamci_platform_data mioa701_mci_info = {
  394. .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
  395. .gpio_card_detect = GPIO15_SDIO_INSERT,
  396. .gpio_card_ro = GPIO78_SDIO_RO,
  397. .gpio_power = GPIO91_SDIO_EN,
  398. };
  399. /* FlashRAM */
  400. static struct resource strataflash_resource = {
  401. .start = PXA_CS0_PHYS,
  402. .end = PXA_CS0_PHYS + SZ_64M - 1,
  403. .flags = IORESOURCE_MEM,
  404. };
  405. static struct physmap_flash_data strataflash_data = {
  406. .width = 2,
  407. /* .set_vpp = mioa701_set_vpp, */
  408. };
  409. static struct platform_device strataflash = {
  410. .name = "physmap-flash",
  411. .id = -1,
  412. .resource = &strataflash_resource,
  413. .num_resources = 1,
  414. .dev = {
  415. .platform_data = &strataflash_data,
  416. },
  417. };
  418. /*
  419. * Suspend/Resume bootstrap management
  420. *
  421. * MIO A701 reboot sequence is highly ROM dependant. From the one dissassembled,
  422. * this sequence is as follows :
  423. * - disables interrupts
  424. * - initialize SDRAM (self refresh RAM into active RAM)
  425. * - initialize GPIOs (depends on value at 0xa020b020)
  426. * - initialize coprossessors
  427. * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
  428. * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
  429. * - else do a resume, ie. jump to addr 0xa0100000
  430. */
  431. #define RESUME_ENABLE_ADDR 0xa020b000
  432. #define RESUME_ENABLE_VAL 0x0f0f0f0f
  433. #define RESUME_BT_ADDR 0xa020b020
  434. #define RESUME_UNKNOWN_ADDR 0xa020b024
  435. #define RESUME_VECTOR_ADDR 0xa0100000
  436. #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
  437. static u32 *save_buffer;
  438. static void install_bootstrap(void)
  439. {
  440. int i;
  441. u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
  442. u32 *src = &mioa701_bootstrap;
  443. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  444. rom_bootstrap[i] = src[i];
  445. }
  446. static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state)
  447. {
  448. int i = 0, is_bt_on;
  449. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  450. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  451. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  452. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  453. /* Devices prepare suspend */
  454. is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
  455. pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
  456. is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
  457. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  458. save_buffer[i] = mem_resume_vector[i];
  459. save_buffer[i++] = *mem_resume_enabler;
  460. save_buffer[i++] = *mem_resume_bt;
  461. save_buffer[i++] = *mem_resume_unknown;
  462. *mem_resume_enabler = RESUME_ENABLE_VAL;
  463. *mem_resume_bt = is_bt_on;
  464. install_bootstrap();
  465. return 0;
  466. }
  467. static int mioa701_sys_resume(struct sys_device *sysdev)
  468. {
  469. int i = 0;
  470. u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
  471. u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
  472. u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
  473. u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
  474. for (i = 0; i < BOOTSTRAP_WORDS; i++)
  475. mem_resume_vector[i] = save_buffer[i];
  476. *mem_resume_enabler = save_buffer[i++];
  477. *mem_resume_bt = save_buffer[i++];
  478. *mem_resume_unknown = save_buffer[i++];
  479. return 0;
  480. }
  481. static struct sysdev_class mioa701_sysclass = {
  482. .name = "mioa701",
  483. };
  484. static struct sys_device sysdev_bootstrap = {
  485. .cls = &mioa701_sysclass,
  486. };
  487. static struct sysdev_driver driver_bootstrap = {
  488. .suspend = &mioa701_sys_suspend,
  489. .resume = &mioa701_sys_resume,
  490. };
  491. static int __init bootstrap_init(void)
  492. {
  493. int rc;
  494. int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
  495. rc = sysdev_class_register(&mioa701_sysclass);
  496. if (rc) {
  497. printk(KERN_ERR "Failed registering mioa701 sys class\n");
  498. return -ENODEV;
  499. }
  500. rc = sysdev_register(&sysdev_bootstrap);
  501. if (rc) {
  502. printk(KERN_ERR "Failed registering mioa701 sys device\n");
  503. return -ENODEV;
  504. }
  505. rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap);
  506. if (rc) {
  507. printk(KERN_ERR "Failed registering PMU sys driver\n");
  508. return -ENODEV;
  509. }
  510. save_buffer = kmalloc(save_size, GFP_KERNEL);
  511. if (!save_buffer)
  512. return -ENOMEM;
  513. printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
  514. save_size);
  515. return 0;
  516. }
  517. static void bootstrap_exit(void)
  518. {
  519. kfree(save_buffer);
  520. sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap);
  521. sysdev_unregister(&sysdev_bootstrap);
  522. sysdev_class_unregister(&mioa701_sysclass);
  523. printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
  524. "resume !!!\n");
  525. }
  526. /*
  527. * Power Supply
  528. */
  529. static char *supplicants[] = {
  530. "mioa701_battery"
  531. };
  532. static int is_ac_connected(void)
  533. {
  534. return gpio_get_value(GPIO96_AC_DETECT);
  535. }
  536. static void mioa701_set_charge(int flags)
  537. {
  538. gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
  539. }
  540. static struct pda_power_pdata power_pdata = {
  541. .is_ac_online = is_ac_connected,
  542. .is_usb_online = is_usb_connected,
  543. .set_charge = mioa701_set_charge,
  544. .supplied_to = supplicants,
  545. .num_supplicants = ARRAY_SIZE(supplicants),
  546. };
  547. static struct resource power_resources[] = {
  548. [0] = {
  549. .name = "ac",
  550. .start = gpio_to_irq(GPIO96_AC_DETECT),
  551. .end = gpio_to_irq(GPIO96_AC_DETECT),
  552. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  553. IORESOURCE_IRQ_LOWEDGE,
  554. },
  555. [1] = {
  556. .name = "usb",
  557. .start = gpio_to_irq(GPIO13_nUSB_DETECT),
  558. .end = gpio_to_irq(GPIO13_nUSB_DETECT),
  559. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
  560. IORESOURCE_IRQ_LOWEDGE,
  561. },
  562. };
  563. static struct platform_device power_dev = {
  564. .name = "pda-power",
  565. .id = -1,
  566. .resource = power_resources,
  567. .num_resources = ARRAY_SIZE(power_resources),
  568. .dev = {
  569. .platform_data = &power_pdata,
  570. },
  571. };
  572. static struct wm97xx_batt_info mioa701_battery_data = {
  573. .batt_aux = WM97XX_AUX_ID1,
  574. .temp_aux = -1,
  575. .charge_gpio = -1,
  576. .min_voltage = 0xc00,
  577. .max_voltage = 0xfc0,
  578. .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION,
  579. .batt_div = 1,
  580. .batt_mult = 1,
  581. .batt_name = "mioa701_battery",
  582. };
  583. /*
  584. * Voltage regulation
  585. */
  586. static struct regulator_consumer_supply max1586_consumers[] = {
  587. {
  588. .supply = "vcc_core",
  589. }
  590. };
  591. static struct regulator_init_data max1586_v3_info = {
  592. .constraints = {
  593. .name = "vcc_core range",
  594. .min_uV = 1000000,
  595. .max_uV = 1705000,
  596. .always_on = 1,
  597. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
  598. },
  599. .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
  600. .consumer_supplies = max1586_consumers,
  601. };
  602. static struct max1586_subdev_data max1586_subdevs[] = {
  603. { .name = "vcc_core", .id = MAX1586_V3,
  604. .platform_data = &max1586_v3_info },
  605. };
  606. static struct max1586_platform_data max1586_info = {
  607. .subdevs = max1586_subdevs,
  608. .num_subdevs = ARRAY_SIZE(max1586_subdevs),
  609. .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
  610. };
  611. /*
  612. * Camera interface
  613. */
  614. struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
  615. .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
  616. PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
  617. .mclk_10khz = 5000,
  618. };
  619. static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
  620. {
  621. I2C_BOARD_INFO("max1586", 0x14),
  622. .platform_data = &max1586_info,
  623. },
  624. };
  625. /* Board I2C devices. */
  626. static struct i2c_board_info __initdata mioa701_i2c_devices[] = {
  627. {
  628. I2C_BOARD_INFO("mt9m111", 0x5d),
  629. },
  630. };
  631. static struct soc_camera_link iclink = {
  632. .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
  633. .board_info = &mioa701_i2c_devices[0],
  634. .i2c_adapter_id = 0,
  635. .module_name = "mt9m111",
  636. };
  637. struct i2c_pxa_platform_data i2c_pdata = {
  638. .fast_mode = 1,
  639. };
  640. static pxa2xx_audio_ops_t mioa701_ac97_info = {
  641. .reset_gpio = 95,
  642. };
  643. /*
  644. * Mio global
  645. */
  646. /* Devices */
  647. #define MIO_PARENT_DEV(var, strname, tparent, pdata) \
  648. static struct platform_device var = { \
  649. .name = strname, \
  650. .id = -1, \
  651. .dev = { \
  652. .platform_data = pdata, \
  653. .parent = tparent, \
  654. }, \
  655. };
  656. #define MIO_SIMPLE_DEV(var, strname, pdata) \
  657. MIO_PARENT_DEV(var, strname, NULL, pdata)
  658. MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
  659. MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
  660. &mioa701_backlight_data);
  661. MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
  662. MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
  663. MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
  664. MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
  665. MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data);
  666. MIO_SIMPLE_DEV(mioa701_camera, "soc-camera-pdrv",&iclink);
  667. static struct platform_device *devices[] __initdata = {
  668. &mioa701_gpio_keys,
  669. &mioa701_backlight,
  670. &mioa701_led,
  671. &pxa2xx_pcm,
  672. &mioa701_sound,
  673. &power_dev,
  674. &strataflash,
  675. &gpio_vbus,
  676. &mioa701_camera,
  677. &mioa701_board,
  678. };
  679. static void mioa701_machine_exit(void);
  680. static void mioa701_poweroff(void)
  681. {
  682. mioa701_machine_exit();
  683. arm_machine_restart('s', NULL);
  684. }
  685. static void mioa701_restart(char c, const char *cmd)
  686. {
  687. mioa701_machine_exit();
  688. arm_machine_restart('s', cmd);
  689. }
  690. static struct gpio_ress global_gpios[] = {
  691. MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"),
  692. MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"),
  693. MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power"),
  694. };
  695. static void __init mioa701_machine_init(void)
  696. {
  697. PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
  698. PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
  699. RTTR = 32768 - 1; /* Reset crazy WinCE value */
  700. UP2OCR = UP2OCR_HXOE;
  701. pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
  702. mio_gpio_request(ARRAY_AND_SIZE(global_gpios));
  703. bootstrap_init();
  704. set_pxa_fb_info(&mioa701_pxafb_info);
  705. mioa701_mci_info.detect_delay = msecs_to_jiffies(250);
  706. pxa_set_mci_info(&mioa701_mci_info);
  707. pxa_set_keypad_info(&mioa701_keypad_info);
  708. wm97xx_bat_set_pdata(&mioa701_battery_data);
  709. pxa_set_udc_info(&mioa701_udc_info);
  710. pxa_set_ac97_info(&mioa701_ac97_info);
  711. pm_power_off = mioa701_poweroff;
  712. arm_pm_restart = mioa701_restart;
  713. platform_add_devices(devices, ARRAY_SIZE(devices));
  714. gsm_init();
  715. i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
  716. pxa_set_i2c_info(&i2c_pdata);
  717. pxa27x_set_i2c_power_info(NULL);
  718. pxa_set_camera_info(&mioa701_pxacamera_platform_data);
  719. }
  720. static void mioa701_machine_exit(void)
  721. {
  722. bootstrap_exit();
  723. gsm_exit();
  724. }
  725. MACHINE_START(MIOA701, "MIO A701")
  726. .phys_io = 0x40000000,
  727. .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
  728. .boot_params = 0xa0000100,
  729. .map_io = &pxa_map_io,
  730. .init_irq = &pxa27x_init_irq,
  731. .init_machine = mioa701_machine_init,
  732. .timer = &pxa_timer,
  733. MACHINE_END