arch/arm/mach-pxa/mioa701.c

   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
  22 #include <linux/kernel.h>
  23 #include <linux/init.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/sysdev.h>
  26 #include <linux/input.h>
  27 #include <linux/delay.h>
  28 #include <linux/gpio_keys.h>
  29 #include <linux/pwm_backlight.h>
  30 #include <linux/rtc.h>
  31 #include <linux/leds.h>
  32 #include <linux/gpio.h>
  33 #include <linux/interrupt.h>
  34 #include <linux/irq.h>
  35 #include <linux/pda_power.h>
  36 #include <linux/power_supply.h>
  37 #include <linux/wm97xx_batt.h>
  38 #include <linux/mtd/physmap.h>
  39 #include <linux/usb/gpio_vbus.h>
  40 #include <linux/regulator/max1586.h>
  41 #include <linux/slab.h>
  42
  43 #include <asm/mach-types.h>
  44 #include <asm/mach/arch.h>
  45
  46 #include <mach/pxa27x.h>
  47 #include <mach/regs-rtc.h>
  48 #include <mach/pxa27x_keypad.h>
  49 #include <mach/pxafb.h>
  50 #include <mach/mmc.h>
  51 #include <mach/udc.h>
  52 #include <mach/pxa27x-udc.h>
  53 #include <plat/i2c.h>
  54 #include <mach/camera.h>
  55 #include <mach/audio.h>
  56 #include <media/soc_camera.h>
  57
  58 #include <mach/mioa701.h>
  59
  60 #include "generic.h"
  61 #include "devices.h"
  62
  63 static unsigned long mioa701_pin_config[] = {
  64         /* Mio global */
  65         MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
  66         MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
  67         MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
  68         MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
  69         MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
  70
  71         /* Backlight PWM 0 */
  72         GPIO16_PWM0_OUT,
  73
  74         /* MMC */
  75         GPIO32_MMC_CLK,
  76         GPIO92_MMC_DAT_0,
  77         GPIO109_MMC_DAT_1,
  78         GPIO110_MMC_DAT_2,
  79         GPIO111_MMC_DAT_3,
  80         GPIO112_MMC_CMD,
  81         MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
  82         MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
  83         MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
  84
  85         /* USB */
  86         MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
  87         MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
  88
  89         /* LCD */
  90         GPIOxx_LCD_TFT_16BPP,
  91
  92         /* QCI */
  93         GPIO12_CIF_DD_7,
  94         GPIO17_CIF_DD_6,
  95         GPIO50_CIF_DD_3,
  96         GPIO51_CIF_DD_2,
  97         GPIO52_CIF_DD_4,
  98         GPIO53_CIF_MCLK,
  99         GPIO54_CIF_PCLK,
 100         GPIO55_CIF_DD_1,
 101         GPIO81_CIF_DD_0,
 102         GPIO82_CIF_DD_5,
 103         GPIO84_CIF_FV,
 104         GPIO85_CIF_LV,
 105
 106         /* Bluetooth */
 107         MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
 108         GPIO44_BTUART_CTS,
 109         GPIO42_BTUART_RXD,
 110         GPIO45_BTUART_RTS,
 111         GPIO43_BTUART_TXD,
 112         MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
 113         MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
 114         MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
 115
 116         /* GPS */
 117         MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
 118         MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
 119         MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
 120         MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
 121         MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
 122         GPIO46_STUART_RXD,
 123         GPIO47_STUART_TXD,
 124
 125         /* GSM */
 126         MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
 127         MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
 128         MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
 129         MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
 130         MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
 131         MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
 132         GPIO34_FFUART_RXD,
 133         GPIO35_FFUART_CTS,
 134         GPIO36_FFUART_DCD,
 135         GPIO37_FFUART_DSR,
 136         GPIO39_FFUART_TXD,
 137         GPIO40_FFUART_DTR,
 138         GPIO41_FFUART_RTS,
 139
 140         /* Sound */
 141         GPIO28_AC97_BITCLK,
 142         GPIO29_AC97_SDATA_IN_0,
 143         GPIO30_AC97_SDATA_OUT,
 144         GPIO31_AC97_SYNC,
 145         GPIO89_AC97_SYSCLK,
 146         MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
 147
 148         /* Leds */
 149         MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
 150         MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
 151         MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
 152         MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
 153         MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
 154
 155         /* Keyboard */
 156         MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
 157         MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
 158         MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
 159         GPIO100_KP_MKIN_0,
 160         GPIO101_KP_MKIN_1,
 161         GPIO102_KP_MKIN_2,
 162         GPIO103_KP_MKOUT_0,
 163         GPIO104_KP_MKOUT_1,
 164         GPIO105_KP_MKOUT_2,
 165
 166         /* I2C */
 167         GPIO117_I2C_SCL,
 168         GPIO118_I2C_SDA,
 169
 170         /* Unknown */
 171         MFP_CFG_IN(GPIO20, AF0),
 172         MFP_CFG_IN(GPIO21, AF0),
 173         MFP_CFG_IN(GPIO33, AF0),
 174         MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
 175         MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
 176         MFP_CFG_IN(GPIO96, AF0),
 177         MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
 178 };
 179
 180 #define MIO_GPIO_IN(num, _desc) \
 181         { .gpio = (num), .dir = 0, .desc = (_desc) }
 182 #define MIO_GPIO_OUT(num, _init, _desc) \
 183         { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
 184 struct gpio_ress {
 185         unsigned gpio : 8;
 186         unsigned dir : 1;
 187         unsigned init : 1;
 188         char *desc;
 189 };
 190
 191 static int mio_gpio_request(struct gpio_ress *gpios, int size)
 192 {
 193         int i, rc = 0;
 194         int gpio;
 195         int dir;
 196
 197         for (i = 0; (!rc) && (i < size); i++) {
 198                 gpio = gpios[i].gpio;
 199                 dir = gpios[i].dir;
 200                 rc = gpio_request(gpio, gpios[i].desc);
 201                 if (rc) {
 202                         printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n",
 203                                gpio, gpios[i].desc, rc);
 204                         continue;
 205                 }
 206                 if (dir)
 207                         gpio_direction_output(gpio, gpios[i].init);
 208                 else
 209                         gpio_direction_input(gpio);
 210         }
 211         while ((rc) && (--i >= 0))
 212                 gpio_free(gpios[i].gpio);
 213         return rc;
 214 }
 215
 216 static void mio_gpio_free(struct gpio_ress *gpios, int size)
 217 {
 218         int i;
 219
 220         for (i = 0; i < size; i++)
 221                 gpio_free(gpios[i].gpio);
 222 }
 223
 224 /* LCD Screen and Backlight */
 225 static struct platform_pwm_backlight_data mioa701_backlight_data = {
 226         .pwm_id         = 0,
 227         .max_brightness = 100,
 228         .dft_brightness = 50,
 229         .pwm_period_ns  = 4000 * 1024,  /* Fl = 250kHz */
 230 };
 231
 232 /*
 233  * LTM0305A776C LCD panel timings
 234  *
 235  * see:
 236  *  - the LTM0305A776C datasheet,
 237  *  - and the PXA27x Programmers' manual
 238  */
 239 static struct pxafb_mode_info mioa701_ltm0305a776c = {
 240         .pixclock               = 220000,       /* CLK=4.545 MHz */
 241         .xres                   = 240,
 242         .yres                   = 320,
 243         .bpp                    = 16,
 244         .hsync_len              = 4,
 245         .vsync_len              = 2,
 246         .left_margin            = 6,
 247         .right_margin           = 4,
 248         .upper_margin           = 5,
 249         .lower_margin           = 3,
 250 };
 251
 252 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
 253 {
 254         gpio_set_value(GPIO87_LCD_POWER, on);
 255 }
 256
 257 static struct pxafb_mach_info mioa701_pxafb_info = {
 258         .modes                  = &mioa701_ltm0305a776c,
 259         .num_modes              = 1,
 260         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 261         .pxafb_lcd_power        = mioa701_lcd_power,
 262 };
 263
 264 /*
 265  * Keyboard configuration
 266  */
 267 static unsigned int mioa701_matrix_keys[] = {
 268         KEY(0, 0, KEY_UP),
 269         KEY(0, 1, KEY_RIGHT),
 270         KEY(0, 2, KEY_MEDIA),
 271         KEY(1, 0, KEY_DOWN),
 272         KEY(1, 1, KEY_ENTER),
 273         KEY(1, 2, KEY_CONNECT), /* GPS key */
 274         KEY(2, 0, KEY_LEFT),
 275         KEY(2, 1, KEY_PHONE),   /* Phone Green key */
 276         KEY(2, 2, KEY_CAMERA)   /* Camera key */
 277 };
 278 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
 279         .matrix_key_rows = 3,
 280         .matrix_key_cols = 3,
 281         .matrix_key_map = mioa701_matrix_keys,
 282         .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
 283 };
 284
 285 /*
 286  * GPIO Key Configuration
 287  */
 288 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
 289         { .code = (key), .gpio = (_gpio), .active_low = 0, \
 290         .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
 291 static struct gpio_keys_button mioa701_button_table[] = {
 292         MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
 293         MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
 294         MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
 295         MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
 296 };
 297
 298 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
 299         .buttons  = mioa701_button_table,
 300         .nbuttons = ARRAY_SIZE(mioa701_button_table),
 301 };
 302
 303 /*
 304  * Leds and vibrator
 305  */
 306 #define ONE_LED(_gpio, _name) \
 307 { .gpio = (_gpio), .name = (_name), .active_low = true }
 308 static struct gpio_led gpio_leds[] = {
 309         ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
 310         ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
 311         ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
 312         ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
 313         ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
 314 };
 315
 316 static struct gpio_led_platform_data gpio_led_info = {
 317         .leds = gpio_leds,
 318         .num_leds = ARRAY_SIZE(gpio_leds),
 319 };
 320
 321 /*
 322  * GSM Sagem XS200 chip
 323  *
 324  * GSM handling was purged from kernel. For history, this is the way to go :
 325  *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
 326  *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
 327  *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
 328  *             GPIO24_GSM_MOD_RESET_CMD = 0
 329  *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
 330  *                GPIO88_GSM_nMOD_ON_CMD = 1
 331  *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
 332  *                GPIO90_GSM_nMOD_OFF_CMD = 1
 333  */
 334 static int is_gsm_on(void)
 335 {
 336         int is_on;
 337
 338         is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
 339         return is_on;
 340 }
 341
 342 irqreturn_t gsm_on_irq(int irq, void *p)
 343 {
 344         printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
 345                is_gsm_on() ? "on" : "off");
 346         return IRQ_HANDLED;
 347 }
 348
 349 struct gpio_ress gsm_gpios[] = {
 350         MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"),
 351         MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"),
 352 };
 353
 354 static int __init gsm_init(void)
 355 {
 356         int rc;
 357
 358         rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios));
 359         if (rc)
 360                 goto err_gpio;
 361         rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
 362                          IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 363                          "GSM XS200 Power Irq", NULL);
 364         if (rc)
 365                 goto err_irq;
 366
 367         gpio_set_wake(GPIO113_GSM_EVENT, 1);
 368         return 0;
 369
 370 err_irq:
 371         printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
 372         mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
 373 err_gpio:
 374         printk(KERN_ERR "Mioa701: gsm not available\n");
 375         return rc;
 376 }
 377
 378 static void gsm_exit(void)
 379 {
 380         free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
 381         mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
 382 }
 383
 384 /*
 385  * Bluetooth BRF6150 chip
 386  *
 387  * BT handling was purged from kernel. For history, this is the way to go :
 388  * - turn on  : GPIO83_BT_ON = 1
 389  * - turn off : GPIO83_BT_ON = 0
 390  */
 391
 392 /*
 393  * GPS Sirf Star III chip
 394  *
 395  * GPS handling was purged from kernel. For history, this is the way to go :
 396  * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 397  *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
 398  * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
 399  * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 400  */
 401
 402 /*
 403  * USB UDC
 404  */
 405 static int is_usb_connected(void)
 406 {
 407         return !gpio_get_value(GPIO13_nUSB_DETECT);
 408 }
 409
 410 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
 411         .udc_is_connected = is_usb_connected,
 412         .gpio_pullup      = GPIO22_USB_ENABLE,
 413 };
 414
 415 struct gpio_vbus_mach_info gpio_vbus_data = {
 416         .gpio_vbus = GPIO13_nUSB_DETECT,
 417         .gpio_vbus_inverted = 1,
 418         .gpio_pullup = -1,
 419 };
 420
 421 /*
 422  * SDIO/MMC Card controller
 423  */
 424 /**
 425  * The card detect interrupt isn't debounced so we delay it by 250ms
 426  * to give the card a chance to fully insert/eject.
 427  */
 428 static struct pxamci_platform_data mioa701_mci_info = {
 429         .detect_delay_ms        = 250,
 430         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 431         .gpio_card_detect       = GPIO15_SDIO_INSERT,
 432         .gpio_card_ro           = GPIO78_SDIO_RO,
 433         .gpio_power             = GPIO91_SDIO_EN,
 434 };
 435
 436 /* FlashRAM */
 437 static struct resource strataflash_resource = {
 438         .start = PXA_CS0_PHYS,
 439         .end   = PXA_CS0_PHYS + SZ_64M - 1,
 440         .flags = IORESOURCE_MEM,
 441 };
 442
 443 static struct physmap_flash_data strataflash_data = {
 444         .width = 2,
 445         /* .set_vpp = mioa701_set_vpp, */
 446 };
 447
 448 static struct platform_device strataflash = {
 449         .name          = "physmap-flash",
 450         .id            = -1,
 451         .resource      = &strataflash_resource,
 452         .num_resources = 1,
 453         .dev = {
 454                 .platform_data = &strataflash_data,
 455         },
 456 };
 457
 458 /*
 459  * Suspend/Resume bootstrap management
 460  *
 461  * MIO A701 reboot sequence is highly ROM dependant. From the one dissassembled,
 462  * this sequence is as follows :
 463  *   - disables interrupts
 464  *   - initialize SDRAM (self refresh RAM into active RAM)
 465  *   - initialize GPIOs (depends on value at 0xa020b020)
 466  *   - initialize coprossessors
 467  *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
 468  *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
 469  *   - else do a resume, ie. jump to addr 0xa0100000
 470  */
 471 #define RESUME_ENABLE_ADDR      0xa020b000
 472 #define RESUME_ENABLE_VAL       0x0f0f0f0f
 473 #define RESUME_BT_ADDR          0xa020b020
 474 #define RESUME_UNKNOWN_ADDR     0xa020b024
 475 #define RESUME_VECTOR_ADDR      0xa0100000
 476 #define BOOTSTRAP_WORDS         mioa701_bootstrap_lg/4
 477
 478 static u32 *save_buffer;
 479
 480 static void install_bootstrap(void)
 481 {
 482         int i;
 483         u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR);
 484         u32 *src = &mioa701_bootstrap;
 485
 486         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 487                 rom_bootstrap[i] = src[i];
 488 }
 489
 490
 491 static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state)
 492 {
 493         int i = 0, is_bt_on;
 494         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 495         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 496         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 497         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 498
 499         /* Devices prepare suspend */
 500         is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
 501         pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
 502                            is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
 503
 504         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 505                 save_buffer[i] = mem_resume_vector[i];
 506         save_buffer[i++] = *mem_resume_enabler;
 507         save_buffer[i++] = *mem_resume_bt;
 508         save_buffer[i++] = *mem_resume_unknown;
 509
 510         *mem_resume_enabler = RESUME_ENABLE_VAL;
 511         *mem_resume_bt      = is_bt_on;
 512
 513         install_bootstrap();
 514         return 0;
 515 }
 516
 517 static int mioa701_sys_resume(struct sys_device *sysdev)
 518 {
 519         int i = 0;
 520         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
 521         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
 522         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
 523         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
 524
 525         for (i = 0; i < BOOTSTRAP_WORDS; i++)
 526                 mem_resume_vector[i] = save_buffer[i];
 527         *mem_resume_enabler = save_buffer[i++];
 528         *mem_resume_bt      = save_buffer[i++];
 529         *mem_resume_unknown = save_buffer[i++];
 530
 531         return 0;
 532 }
 533
 534 static struct sysdev_class mioa701_sysclass = {
 535         .name = "mioa701",
 536 };
 537
 538 static struct sys_device sysdev_bootstrap = {
 539         .cls            = &mioa701_sysclass,
 540 };
 541
 542 static struct sysdev_driver driver_bootstrap = {
 543         .suspend        = &mioa701_sys_suspend,
 544         .resume         = &mioa701_sys_resume,
 545 };
 546
 547 static int __init bootstrap_init(void)
 548 {
 549         int rc;
 550         int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
 551
 552         rc = sysdev_class_register(&mioa701_sysclass);
 553         if (rc) {
 554                 printk(KERN_ERR "Failed registering mioa701 sys class\n");
 555                 return -ENODEV;
 556         }
 557         rc = sysdev_register(&sysdev_bootstrap);
 558         if (rc) {
 559                 printk(KERN_ERR "Failed registering mioa701 sys device\n");
 560                 return -ENODEV;
 561         }
 562         rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap);
 563         if (rc) {
 564                 printk(KERN_ERR "Failed registering PMU sys driver\n");
 565                 return -ENODEV;
 566         }
 567
 568         save_buffer = kmalloc(save_size, GFP_KERNEL);
 569         if (!save_buffer)
 570                 return -ENOMEM;
 571         printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
 572                save_size);
 573         return 0;
 574 }
 575
 576 static void bootstrap_exit(void)
 577 {
 578         kfree(save_buffer);
 579         sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap);
 580         sysdev_unregister(&sysdev_bootstrap);
 581         sysdev_class_unregister(&mioa701_sysclass);
 582
 583         printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
 584                "resume !!!\n");
 585 }
 586
 587 /*
 588  * Power Supply
 589  */
 590 static char *supplicants[] = {
 591         "mioa701_battery"
 592 };
 593
 594 static int is_ac_connected(void)
 595 {
 596         return gpio_get_value(GPIO96_AC_DETECT);
 597 }
 598
 599 static void mioa701_set_charge(int flags)
 600 {
 601         gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
 602 }
 603
 604 static struct pda_power_pdata power_pdata = {
 605         .is_ac_online   = is_ac_connected,
 606         .is_usb_online  = is_usb_connected,
 607         .set_charge = mioa701_set_charge,
 608         .supplied_to = supplicants,
 609         .num_supplicants = ARRAY_SIZE(supplicants),
 610 };
 611
 612 static struct resource power_resources[] = {
 613         [0] = {
 614                 .name   = "ac",
 615                 .start  = gpio_to_irq(GPIO96_AC_DETECT),
 616                 .end    = gpio_to_irq(GPIO96_AC_DETECT),
 617                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 618                 IORESOURCE_IRQ_LOWEDGE,
 619         },
 620         [1] = {
 621                 .name   = "usb",
 622                 .start  = gpio_to_irq(GPIO13_nUSB_DETECT),
 623                 .end    = gpio_to_irq(GPIO13_nUSB_DETECT),
 624                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 625                 IORESOURCE_IRQ_LOWEDGE,
 626         },
 627 };
 628
 629 static struct platform_device power_dev = {
 630         .name           = "pda-power",
 631         .id             = -1,
 632         .resource       = power_resources,
 633         .num_resources  = ARRAY_SIZE(power_resources),
 634         .dev = {
 635                 .platform_data  = &power_pdata,
 636         },
 637 };
 638
 639 static struct wm97xx_batt_info mioa701_battery_data = {
 640         .batt_aux       = WM97XX_AUX_ID1,
 641         .temp_aux       = -1,
 642         .charge_gpio    = -1,
 643         .min_voltage    = 0xc00,
 644         .max_voltage    = 0xfc0,
 645         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LION,
 646         .batt_div       = 1,
 647         .batt_mult      = 1,
 648         .batt_name      = "mioa701_battery",
 649 };
 650
 651 /*
 652  * Voltage regulation
 653  */
 654 static struct regulator_consumer_supply max1586_consumers[] = {
 655         {
 656                 .supply = "vcc_core",
 657         }
 658 };
 659
 660 static struct regulator_init_data max1586_v3_info = {
 661         .constraints = {
 662                 .name = "vcc_core range",
 663                 .min_uV = 1000000,
 664                 .max_uV = 1705000,
 665                 .always_on = 1,
 666                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 667         },
 668         .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
 669         .consumer_supplies = max1586_consumers,
 670 };
 671
 672 static struct max1586_subdev_data max1586_subdevs[] = {
 673         { .name = "vcc_core", .id = MAX1586_V3,
 674           .platform_data = &max1586_v3_info },
 675 };
 676
 677 static struct max1586_platform_data max1586_info = {
 678         .subdevs = max1586_subdevs,
 679         .num_subdevs = ARRAY_SIZE(max1586_subdevs),
 680         .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
 681 };
 682
 683 /*
 684  * Camera interface
 685  */
 686 struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
 687         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
 688                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
 689         .mclk_10khz = 5000,
 690 };
 691
 692 static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
 693         {
 694                 I2C_BOARD_INFO("max1586", 0x14),
 695                 .platform_data = &max1586_info,
 696         },
 697 };
 698
 699 /* Board I2C devices. */
 700 static struct i2c_board_info mioa701_i2c_devices[] = {
 701         {
 702                 I2C_BOARD_INFO("mt9m111", 0x5d),
 703         },
 704 };
 705
 706 static struct soc_camera_link iclink = {
 707         .bus_id         = 0, /* Match id in pxa27x_device_camera in device.c */
 708         .board_info     = &mioa701_i2c_devices[0],
 709         .i2c_adapter_id = 0,
 710         .module_name    = "mt9m111",
 711 };
 712
 713 struct i2c_pxa_platform_data i2c_pdata = {
 714         .fast_mode = 1,
 715 };
 716
 717 static pxa2xx_audio_ops_t mioa701_ac97_info = {
 718         .reset_gpio = 95,
 719 };
 720
 721 /*
 722  * Mio global
 723  */
 724
 725 /* Devices */
 726 #define MIO_PARENT_DEV(var, strname, tparent, pdata)    \
 727 static struct platform_device var = {                   \
 728         .name           = strname,                      \
 729         .id             = -1,                           \
 730         .dev            = {                             \
 731                 .platform_data = pdata,                 \
 732                 .parent = tparent,                      \
 733         },                                              \
 734 };
 735 #define MIO_SIMPLE_DEV(var, strname, pdata)     \
 736         MIO_PARENT_DEV(var, strname, NULL, pdata)
 737
 738 MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys",      &mioa701_gpio_keys_data)
 739 MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev,
 740                 &mioa701_backlight_data);
 741 MIO_SIMPLE_DEV(mioa701_led,       "leds-gpio",      &gpio_led_info)
 742 MIO_SIMPLE_DEV(pxa2xx_pcm,        "pxa2xx-pcm",     NULL)
 743 MIO_SIMPLE_DEV(mioa701_sound,     "mioa701-wm9713", NULL)
 744 MIO_SIMPLE_DEV(mioa701_board,     "mioa701-board",  NULL)
 745 MIO_SIMPLE_DEV(gpio_vbus,         "gpio-vbus",      &gpio_vbus_data);
 746 MIO_SIMPLE_DEV(mioa701_camera,    "soc-camera-pdrv",&iclink);
 747
 748 static struct platform_device *devices[] __initdata = {
 749         &mioa701_gpio_keys,
 750         &mioa701_backlight,
 751         &mioa701_led,
 752         &pxa2xx_pcm,
 753         &mioa701_sound,
 754         &power_dev,
 755         &strataflash,
 756         &gpio_vbus,
 757         &mioa701_camera,
 758         &mioa701_board,
 759 };
 760
 761 static void mioa701_machine_exit(void);
 762
 763 static void mioa701_poweroff(void)
 764 {
 765         mioa701_machine_exit();
 766         arm_machine_restart('s', NULL);
 767 }
 768
 769 static void mioa701_restart(char c, const char *cmd)
 770 {
 771         mioa701_machine_exit();
 772         arm_machine_restart('s', cmd);
 773 }
 774
 775 static struct gpio_ress global_gpios[] = {
 776         MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"),
 777         MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"),
 778         MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power"),
 779 };
 780
 781 static void __init mioa701_machine_init(void)
 782 {
 783         PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
 784         PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
 785         RTTR = 32768 - 1; /* Reset crazy WinCE value */
 786         UP2OCR = UP2OCR_HXOE;
 787
 788         pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
 789         pxa_set_ffuart_info(NULL);
 790         pxa_set_btuart_info(NULL);
 791         pxa_set_stuart_info(NULL);
 792         mio_gpio_request(ARRAY_AND_SIZE(global_gpios));
 793         bootstrap_init();
 794         set_pxa_fb_info(&mioa701_pxafb_info);
 795         pxa_set_mci_info(&mioa701_mci_info);
 796         pxa_set_keypad_info(&mioa701_keypad_info);
 797         wm97xx_bat_set_pdata(&mioa701_battery_data);
 798         pxa_set_udc_info(&mioa701_udc_info);
 799         pxa_set_ac97_info(&mioa701_ac97_info);
 800         pm_power_off = mioa701_poweroff;
 801         arm_pm_restart = mioa701_restart;
 802         platform_add_devices(devices, ARRAY_SIZE(devices));
 803         gsm_init();
 804
 805         i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
 806         pxa_set_i2c_info(&i2c_pdata);
 807         pxa27x_set_i2c_power_info(NULL);
 808         pxa_set_camera_info(&mioa701_pxacamera_platform_data);
 809 }
 810
 811 static void mioa701_machine_exit(void)
 812 {
 813         bootstrap_exit();
 814         gsm_exit();
 815 }
 816
 817 MACHINE_START(MIOA701, "MIO A701")
 818         .phys_io        = 0x40000000,
 819         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 820         .boot_params    = 0xa0000100,
 821         .map_io         = &pxa_map_io,
 822         .init_irq       = &pxa27x_init_irq,
 823         .init_machine   = mioa701_machine_init,
 824         .timer          = &pxa_timer,
 825 MACHINE_END