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TOMOYO Linux Cross Reference
Linux/arch/arm/mach-pxa/mioa701.c

Version: ~ [ linux-5.6 ] ~ [ linux-5.5.13 ] ~ [ linux-5.4.28 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.113 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.174 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.217 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.217 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.82 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
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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 
 22 #include <linux/kernel.h>
 23 #include <linux/init.h>
 24 #include <linux/platform_device.h>
 25 #include <linux/syscore_ops.h>
 26 #include <linux/input.h>
 27 #include <linux/delay.h>
 28 #include <linux/gpio_keys.h>
 29 #include <linux/pwm.h>
 30 #include <linux/pwm_backlight.h>
 31 #include <linux/rtc.h>
 32 #include <linux/leds.h>
 33 #include <linux/gpio.h>
 34 #include <linux/gpio/machine.h>
 35 #include <linux/interrupt.h>
 36 #include <linux/irq.h>
 37 #include <linux/pda_power.h>
 38 #include <linux/power_supply.h>
 39 #include <linux/wm97xx.h>
 40 #include <linux/mtd/physmap.h>
 41 #include <linux/usb/gpio_vbus.h>
 42 #include <linux/reboot.h>
 43 #include <linux/regulator/fixed.h>
 44 #include <linux/regulator/max1586.h>
 45 #include <linux/slab.h>
 46 #include <linux/platform_data/i2c-pxa.h>
 47 
 48 #include <asm/mach-types.h>
 49 #include <asm/mach/arch.h>
 50 
 51 #include "pxa27x.h"
 52 #include "regs-rtc.h"
 53 #include <linux/platform_data/keypad-pxa27x.h>
 54 #include <linux/platform_data/video-pxafb.h>
 55 #include <linux/platform_data/mmc-pxamci.h>
 56 #include "udc.h"
 57 #include "pxa27x-udc.h"
 58 #include <linux/platform_data/media/camera-pxa.h>
 59 #include <mach/audio.h>
 60 #include <mach/smemc.h>
 61 
 62 #include "mioa701.h"
 63 
 64 #include "generic.h"
 65 #include "devices.h"
 66 
 67 static unsigned long mioa701_pin_config[] = {
 68         /* Mio global */
 69         MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
 70         MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
 71         MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
 72         MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
 73         MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
 74 
 75         /* Backlight PWM 0 */
 76         GPIO16_PWM0_OUT,
 77 
 78         /* MMC */
 79         GPIO32_MMC_CLK,
 80         GPIO92_MMC_DAT_0,
 81         GPIO109_MMC_DAT_1,
 82         GPIO110_MMC_DAT_2,
 83         GPIO111_MMC_DAT_3,
 84         GPIO112_MMC_CMD,
 85         MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
 86         MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
 87         MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
 88 
 89         /* USB */
 90         MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
 91         MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
 92 
 93         /* LCD */
 94         GPIOxx_LCD_TFT_16BPP,
 95 
 96         /* QCI */
 97         GPIO12_CIF_DD_7,
 98         GPIO17_CIF_DD_6,
 99         GPIO50_CIF_DD_3,
100         GPIO51_CIF_DD_2,
101         GPIO52_CIF_DD_4,
102         GPIO53_CIF_MCLK,
103         GPIO54_CIF_PCLK,
104         GPIO55_CIF_DD_1,
105         GPIO81_CIF_DD_0,
106         GPIO82_CIF_DD_5,
107         GPIO84_CIF_FV,
108         GPIO85_CIF_LV,
109         MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),
110 
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 
121         /* GPS */
122         MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
123         MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
124         MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
125         MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
126         MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
127         GPIO46_STUART_RXD,
128         GPIO47_STUART_TXD,
129 
130         /* GSM */
131         MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
132         MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
133         MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
134         MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
135         MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
136         MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
137         GPIO34_FFUART_RXD,
138         GPIO35_FFUART_CTS,
139         GPIO36_FFUART_DCD,
140         GPIO37_FFUART_DSR,
141         GPIO39_FFUART_TXD,
142         GPIO40_FFUART_DTR,
143         GPIO41_FFUART_RTS,
144 
145         /* Sound */
146         GPIO28_AC97_BITCLK,
147         GPIO29_AC97_SDATA_IN_0,
148         GPIO30_AC97_SDATA_OUT,
149         GPIO31_AC97_SYNC,
150         GPIO89_AC97_SYSCLK,
151         MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
152 
153         /* Leds */
154         MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
155         MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
156         MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
157         MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
158         MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
159 
160         /* Keyboard */
161         MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
162         MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
163         MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
164         GPIO100_KP_MKIN_0,
165         GPIO101_KP_MKIN_1,
166         GPIO102_KP_MKIN_2,
167         GPIO103_KP_MKOUT_0,
168         GPIO104_KP_MKOUT_1,
169         GPIO105_KP_MKOUT_2,
170 
171         /* I2C */
172         GPIO117_I2C_SCL,
173         GPIO118_I2C_SDA,
174 
175         /* Unknown */
176         MFP_CFG_IN(GPIO20, AF0),
177         MFP_CFG_IN(GPIO21, AF0),
178         MFP_CFG_IN(GPIO33, AF0),
179         MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
180         MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
181         MFP_CFG_IN(GPIO96, AF0),
182         MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
183 };
184 
185 static struct pwm_lookup mioa701_pwm_lookup[] = {
186         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024,
187                    PWM_POLARITY_NORMAL),
188 };
189 
190 /* LCD Screen and Backlight */
191 static struct platform_pwm_backlight_data mioa701_backlight_data = {
192         .max_brightness = 100,
193         .dft_brightness = 50,
194         .enable_gpio    = -1,
195 };
196 
197 /*
198  * LTM0305A776C LCD panel timings
199  *
200  * see:
201  *  - the LTM0305A776C datasheet,
202  *  - and the PXA27x Programmers' manual
203  */
204 static struct pxafb_mode_info mioa701_ltm0305a776c = {
205         .pixclock               = 220000,       /* CLK=4.545 MHz */
206         .xres                   = 240,
207         .yres                   = 320,
208         .bpp                    = 16,
209         .hsync_len              = 4,
210         .vsync_len              = 2,
211         .left_margin            = 6,
212         .right_margin           = 4,
213         .upper_margin           = 5,
214         .lower_margin           = 3,
215 };
216 
217 static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
218 {
219         gpio_set_value(GPIO87_LCD_POWER, on);
220 }
221 
222 static struct pxafb_mach_info mioa701_pxafb_info = {
223         .modes                  = &mioa701_ltm0305a776c,
224         .num_modes              = 1,
225         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
226         .pxafb_lcd_power        = mioa701_lcd_power,
227 };
228 
229 /*
230  * Keyboard configuration
231  */
232 static const unsigned int mioa701_matrix_keys[] = {
233         KEY(0, 0, KEY_UP),
234         KEY(0, 1, KEY_RIGHT),
235         KEY(0, 2, KEY_MEDIA),
236         KEY(1, 0, KEY_DOWN),
237         KEY(1, 1, KEY_ENTER),
238         KEY(1, 2, KEY_CONNECT), /* GPS key */
239         KEY(2, 0, KEY_LEFT),
240         KEY(2, 1, KEY_PHONE),   /* Phone Green key */
241         KEY(2, 2, KEY_CAMERA)   /* Camera key */
242 };
243 
244 static struct matrix_keymap_data mioa701_matrix_keymap_data = {
245         .keymap                 = mioa701_matrix_keys,
246         .keymap_size            = ARRAY_SIZE(mioa701_matrix_keys),
247 };
248 
249 static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
250         .matrix_key_rows = 3,
251         .matrix_key_cols = 3,
252         .matrix_keymap_data = &mioa701_matrix_keymap_data,
253 };
254 
255 /*
256  * GPIO Key Configuration
257  */
258 #define MIO_KEY(key, _gpio, _desc, _wakeup) \
259         { .code = (key), .gpio = (_gpio), .active_low = 0, \
260         .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
261 static struct gpio_keys_button mioa701_button_table[] = {
262         MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
263         MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
264         MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
265         MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
266 };
267 
268 static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
269         .buttons  = mioa701_button_table,
270         .nbuttons = ARRAY_SIZE(mioa701_button_table),
271 };
272 
273 /*
274  * Leds and vibrator
275  */
276 #define ONE_LED(_gpio, _name) \
277 { .gpio = (_gpio), .name = (_name), .active_low = true }
278 static struct gpio_led gpio_leds[] = {
279         ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
280         ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
281         ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
282         ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
283         ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
284 };
285 
286 static struct gpio_led_platform_data gpio_led_info = {
287         .leds = gpio_leds,
288         .num_leds = ARRAY_SIZE(gpio_leds),
289 };
290 
291 /*
292  * GSM Sagem XS200 chip
293  *
294  * GSM handling was purged from kernel. For history, this is the way to go :
295  *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
296  *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
297  *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
298  *             GPIO24_GSM_MOD_RESET_CMD = 0
299  *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
300  *                GPIO88_GSM_nMOD_ON_CMD = 1
301  *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
302  *                GPIO90_GSM_nMOD_OFF_CMD = 1
303  */
304 static int is_gsm_on(void)
305 {
306         int is_on;
307 
308         is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
309         return is_on;
310 }
311 
312 irqreturn_t gsm_on_irq(int irq, void *p)
313 {
314         printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
315                is_gsm_on() ? "on" : "off");
316         return IRQ_HANDLED;
317 }
318 
319 static struct gpio gsm_gpios[] = {
320         { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
321         { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
322 };
323 
324 static int __init gsm_init(void)
325 {
326         int rc;
327 
328         rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
329         if (rc)
330                 goto err_gpio;
331         rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
332                          IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
333                          "GSM XS200 Power Irq", NULL);
334         if (rc)
335                 goto err_irq;
336 
337         gpio_set_wake(GPIO113_GSM_EVENT, 1);
338         return 0;
339 
340 err_irq:
341         printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
342         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
343 err_gpio:
344         printk(KERN_ERR "Mioa701: gsm not available\n");
345         return rc;
346 }
347 
348 static void gsm_exit(void)
349 {
350         free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
351         gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
352 }
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 /*
363  * GPS Sirf Star III chip
364  *
365  * GPS handling was purged from kernel. For history, this is the way to go :
366  * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
367  *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
368  * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
369  * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
370  */
371 
372 /*
373  * USB UDC
374  */
375 static int is_usb_connected(void)
376 {
377         return !gpio_get_value(GPIO13_nUSB_DETECT);
378 }
379 
380 static struct pxa2xx_udc_mach_info mioa701_udc_info = {
381         .udc_is_connected = is_usb_connected,
382         .gpio_pullup      = GPIO22_USB_ENABLE,
383 };
384 
385 struct gpio_vbus_mach_info gpio_vbus_data = {
386         .gpio_vbus = GPIO13_nUSB_DETECT,
387         .gpio_vbus_inverted = 1,
388         .gpio_pullup = -1,
389 };
390 
391 /*
392  * SDIO/MMC Card controller
393  */
394 /**
395  * The card detect interrupt isn't debounced so we delay it by 250ms
396  * to give the card a chance to fully insert/eject.
397  */
398 static struct pxamci_platform_data mioa701_mci_info = {
399         .detect_delay_ms        = 250,
400         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
401 };
402 
403 static struct gpiod_lookup_table mioa701_mci_gpio_table = {
404         .dev_id = "pxa2xx-mci.0",
405         .table = {
406                 /* Card detect on GPIO 15 */
407                 GPIO_LOOKUP("gpio-pxa", GPIO15_SDIO_INSERT,
408                             "cd", GPIO_ACTIVE_LOW),
409                 /* Write protect on GPIO 78 */
410                 GPIO_LOOKUP("gpio-pxa", GPIO78_SDIO_RO,
411                             "wp", GPIO_ACTIVE_LOW),
412                 /* Power on GPIO 91 */
413                 GPIO_LOOKUP("gpio-pxa", GPIO91_SDIO_EN,
414                             "power", GPIO_ACTIVE_HIGH),
415                 { },
416         },
417 };
418 
419 /* FlashRAM */
420 static struct resource docg3_resource = {
421         .start = PXA_CS0_PHYS,
422         .end   = PXA_CS0_PHYS + SZ_8K - 1,
423         .flags = IORESOURCE_MEM,
424 };
425 
426 static struct platform_device docg3 = {
427         .name          = "docg3",
428         .id            = -1,
429         .resource      = &docg3_resource,
430         .num_resources = 1,
431         .dev = {
432                 .platform_data = NULL,
433         },
434 };
435 
436 /*
437  * Suspend/Resume bootstrap management
438  *
439  * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
440  * this sequence is as follows :
441  *   - disables interrupts
442  *   - initialize SDRAM (self refresh RAM into active RAM)
443  *   - initialize GPIOs (depends on value at 0xa020b020)
444  *   - initialize coprossessors
445  *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
446  *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
447  *   - else do a resume, ie. jump to addr 0xa0100000
448  */
449 #define RESUME_ENABLE_ADDR      0xa020b000
450 #define RESUME_ENABLE_VAL       0x0f0f0f0f
451 #define RESUME_BT_ADDR          0xa020b020
452 #define RESUME_UNKNOWN_ADDR     0xa020b024
453 #define RESUME_VECTOR_ADDR      0xa0100000
454 #define BOOTSTRAP_WORDS         mioa701_bootstrap_lg/4
455 
456 static u32 *save_buffer;
457 
458 static void install_bootstrap(void)
459 {
460         int i;
461         u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR);
462         u32 *src = &mioa701_bootstrap;
463 
464         for (i = 0; i < BOOTSTRAP_WORDS; i++)
465                 rom_bootstrap[i] = src[i];
466 }
467 
468 
469 static int mioa701_sys_suspend(void)
470 {
471         int i = 0, is_bt_on;
472         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
473         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
474         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
475         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
476 
477         /* Devices prepare suspend */
478         is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
479         pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
480                            is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
481 
482         for (i = 0; i < BOOTSTRAP_WORDS; i++)
483                 save_buffer[i] = mem_resume_vector[i];
484         save_buffer[i++] = *mem_resume_enabler;
485         save_buffer[i++] = *mem_resume_bt;
486         save_buffer[i++] = *mem_resume_unknown;
487 
488         *mem_resume_enabler = RESUME_ENABLE_VAL;
489         *mem_resume_bt      = is_bt_on;
490 
491         install_bootstrap();
492         return 0;
493 }
494 
495 static void mioa701_sys_resume(void)
496 {
497         int i = 0;
498         u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
499         u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
500         u32 *mem_resume_bt      = phys_to_virt(RESUME_BT_ADDR);
501         u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
502 
503         for (i = 0; i < BOOTSTRAP_WORDS; i++)
504                 mem_resume_vector[i] = save_buffer[i];
505         *mem_resume_enabler = save_buffer[i++];
506         *mem_resume_bt      = save_buffer[i++];
507         *mem_resume_unknown = save_buffer[i++];
508 }
509 
510 static struct syscore_ops mioa701_syscore_ops = {
511         .suspend        = mioa701_sys_suspend,
512         .resume         = mioa701_sys_resume,
513 };
514 
515 static int __init bootstrap_init(void)
516 {
517         int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
518 
519         register_syscore_ops(&mioa701_syscore_ops);
520 
521         save_buffer = kmalloc(save_size, GFP_KERNEL);
522         if (!save_buffer)
523                 return -ENOMEM;
524         printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
525                save_size);
526         return 0;
527 }
528 
529 static void bootstrap_exit(void)
530 {
531         kfree(save_buffer);
532         unregister_syscore_ops(&mioa701_syscore_ops);
533 
534         printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
535                "resume !!!\n");
536 }
537 
538 /*
539  * Power Supply
540  */
541 static char *supplicants[] = {
542         "mioa701_battery"
543 };
544 
545 static int is_ac_connected(void)
546 {
547         return gpio_get_value(GPIO96_AC_DETECT);
548 }
549 
550 static void mioa701_set_charge(int flags)
551 {
552         gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
553 }
554 
555 static struct pda_power_pdata power_pdata = {
556         .is_ac_online   = is_ac_connected,
557         .is_usb_online  = is_usb_connected,
558         .set_charge = mioa701_set_charge,
559         .supplied_to = supplicants,
560         .num_supplicants = ARRAY_SIZE(supplicants),
561 };
562 
563 static struct resource power_resources[] = {
564         [0] = {
565                 .name   = "ac",
566                 .start  = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
567                 .end    = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
568                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
569                 IORESOURCE_IRQ_LOWEDGE,
570         },
571         [1] = {
572                 .name   = "usb",
573                 .start  = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
574                 .end    = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
575                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
576                 IORESOURCE_IRQ_LOWEDGE,
577         },
578 };
579 
580 static struct platform_device power_dev = {
581         .name           = "pda-power",
582         .id             = -1,
583         .resource       = power_resources,
584         .num_resources  = ARRAY_SIZE(power_resources),
585         .dev = {
586                 .platform_data  = &power_pdata,
587         },
588 };
589 
590 static struct wm97xx_batt_pdata mioa701_battery_data = {
591         .batt_aux       = WM97XX_AUX_ID1,
592         .temp_aux       = -1,
593         .charge_gpio    = -1,
594         .min_voltage    = 0xc00,
595         .max_voltage    = 0xfc0,
596         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LION,
597         .batt_div       = 1,
598         .batt_mult      = 1,
599         .batt_name      = "mioa701_battery",
600 };
601 
602 static struct wm97xx_pdata mioa701_wm97xx_pdata = {
603         .batt_pdata     = &mioa701_battery_data,
604 };
605 
606 /*
607  * Voltage regulation
608  */
609 static struct regulator_consumer_supply max1586_consumers[] = {
610         REGULATOR_SUPPLY("vcc_core", NULL),
611 };
612 
613 static struct regulator_init_data max1586_v3_info = {
614         .constraints = {
615                 .name = "vcc_core range",
616                 .min_uV = 1000000,
617                 .max_uV = 1705000,
618                 .always_on = 1,
619                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
620         },
621         .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
622         .consumer_supplies = max1586_consumers,
623 };
624 
625 static struct max1586_subdev_data max1586_subdevs[] = {
626         { .name = "vcc_core", .id = MAX1586_V3,
627           .platform_data = &max1586_v3_info },
628 };
629 
630 static struct max1586_platform_data max1586_info = {
631         .subdevs = max1586_subdevs,
632         .num_subdevs = ARRAY_SIZE(max1586_subdevs),
633         .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
634 };
635 
636 /*
637  * Camera interface
638  */
639 struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
640         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
641                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
642         .mclk_10khz = 5000,
643         .sensor_i2c_adapter_id = 0,
644         .sensor_i2c_address = 0x5d,
645 };
646 
647 static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
648         {
649                 I2C_BOARD_INFO("max1586", 0x14),
650                 .platform_data = &max1586_info,
651         },
652 };
653 
654 /* Board I2C devices. */
655 static struct i2c_board_info mioa701_i2c_devices[] = {
656         {
657                 I2C_BOARD_INFO("mt9m111", 0x5d),
658         },
659 };
660 
661 struct i2c_pxa_platform_data i2c_pdata = {
662         .fast_mode = 1,
663 };
664 
665 static pxa2xx_audio_ops_t mioa701_ac97_info = {
666         .reset_gpio = 95,
667         .codec_pdata = { &mioa701_wm97xx_pdata, },
668 };
669 
670 /*
671  * Mio global
672  */
673 
674 /* Devices */
675 #define MIO_PARENT_DEV(var, strname, tparent, pdata)    \
676 static struct platform_device var = {                   \
677         .name           = strname,                      \
678         .id             = -1,                           \
679         .dev            = {                             \
680                 .platform_data = pdata,                 \
681                 .parent = tparent,                      \
682         },                                              \
683 };
684 #define MIO_SIMPLE_DEV(var, strname, pdata)     \
685         MIO_PARENT_DEV(var, strname, NULL, pdata)
686 
687 MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys",      &mioa701_gpio_keys_data)
688 MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev,
689                 &mioa701_backlight_data);
690 MIO_SIMPLE_DEV(mioa701_led,       "leds-gpio",      &gpio_led_info)
691 MIO_SIMPLE_DEV(pxa2xx_pcm,        "pxa2xx-pcm",     NULL)
692 MIO_SIMPLE_DEV(mioa701_sound,     "mioa701-wm9713", NULL)
693 MIO_SIMPLE_DEV(mioa701_board,     "mioa701-board",  NULL)
694 MIO_SIMPLE_DEV(gpio_vbus,         "gpio-vbus",      &gpio_vbus_data);
695 
696 static struct platform_device *devices[] __initdata = {
697         &mioa701_gpio_keys,
698         &mioa701_backlight,
699         &mioa701_led,
700         &pxa2xx_pcm,
701         &mioa701_sound,
702         &power_dev,
703         &docg3,
704         &gpio_vbus,
705         &mioa701_board,
706 };
707 
708 static void mioa701_machine_exit(void);
709 
710 static void mioa701_poweroff(void)
711 {
712         mioa701_machine_exit();
713         pxa_restart(REBOOT_SOFT, NULL);
714 }
715 
716 static void mioa701_restart(enum reboot_mode c, const char *cmd)
717 {
718         mioa701_machine_exit();
719         pxa_restart(REBOOT_SOFT, cmd);
720 }
721 
722 static struct gpio global_gpios[] = {
723         { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
724         { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
725         { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
726         { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
727 };
728 
729 static struct regulator_consumer_supply fixed_5v0_consumers[] = {
730         REGULATOR_SUPPLY("power", "pwm-backlight"),
731 };
732 
733 static void __init mioa701_machine_init(void)
734 {
735         int rc;
736 
737         PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
738         PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
739         RTTR = 32768 - 1; /* Reset crazy WinCE value */
740         UP2OCR = UP2OCR_HXOE;
741 
742         /*
743          * Set up the flash memory : DiskOnChip G3 on first static memory bank
744          */
745         __raw_writel(0x7ff02dd8, MSC0);
746         __raw_writel(0x0001c391, MCMEM0);
747         __raw_writel(0x0001c391, MCATT0);
748         __raw_writel(0x0001c391, MCIO0);
749 
750 
751         pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
752         pxa_set_ffuart_info(NULL);
753         pxa_set_btuart_info(NULL);
754         pxa_set_stuart_info(NULL);
755         rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
756         if (rc)
757                 pr_err("MioA701: Failed to request GPIOs: %d", rc);
758         bootstrap_init();
759         pxa_set_fb_info(NULL, &mioa701_pxafb_info);
760         gpiod_add_lookup_table(&mioa701_mci_gpio_table);
761         pxa_set_mci_info(&mioa701_mci_info);
762         pxa_set_keypad_info(&mioa701_keypad_info);
763         pxa_set_udc_info(&mioa701_udc_info);
764         pxa_set_ac97_info(&mioa701_ac97_info);
765         pm_power_off = mioa701_poweroff;
766         pwm_add_table(mioa701_pwm_lookup, ARRAY_SIZE(mioa701_pwm_lookup));
767         platform_add_devices(devices, ARRAY_SIZE(devices));
768         gsm_init();
769 
770         i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices));
771         i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
772         pxa_set_i2c_info(&i2c_pdata);
773         pxa27x_set_i2c_power_info(NULL);
774         pxa_set_camera_info(&mioa701_pxacamera_platform_data);
775 
776         regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers,
777                                      ARRAY_SIZE(fixed_5v0_consumers),
778                                      5000000);
779         regulator_has_full_constraints();
780 }
781 
782 static void mioa701_machine_exit(void)
783 {
784         bootstrap_exit();
785         gsm_exit();
786 }
787 
788 MACHINE_START(MIOA701, "MIO A701")
789         .atag_offset    = 0x100,
790         .map_io         = &pxa27x_map_io,
791         .nr_irqs        = PXA_NR_IRQS,
792         .init_irq       = &pxa27x_init_irq,
793         .handle_irq     = &pxa27x_handle_irq,
794         .init_machine   = mioa701_machine_init,
795         .init_time      = pxa_timer_init,
796         .restart        = mioa701_restart,
797 MACHINE_END
798 

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