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-rw-r--r--arch/arm/mach-pxa/mioa701.c905
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diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c
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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/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.h>
38#include <linux/mtd/physmap.h>
39
40#include <asm/mach-types.h>
41#include <asm/mach/arch.h>
42#include <mach/mfp-pxa27x.h>
43#include <mach/pxa27x_keypad.h>
44#include <mach/pxafb.h>
45#include <mach/pxa2xx-regs.h>
46#include <mach/mmc.h>
47#include <mach/udc.h>
48#include <mach/pxa27x-udc.h>
49
50#include <mach/mioa701.h>
51
52#include "generic.h"
53#include "devices.h"
54
55static unsigned long mioa701_pin_config[] = {
56 /* Mio global */
57 MIO_CFG_OUT(GPIO9_CHARGE_nEN, AF0, DRIVE_LOW),
58 MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
59 MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
60 MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
61
62 /* Backlight PWM 0 */
63 GPIO16_PWM0_OUT,
64
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
76 /* USB */
77 MIO_CFG_IN(GPIO13_USB_DETECT, AF0),
78 MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
79
80 /* LCD */
81 GPIO58_LCD_LDD_0,
82 GPIO59_LCD_LDD_1,
83 GPIO60_LCD_LDD_2,
84 GPIO61_LCD_LDD_3,
85 GPIO62_LCD_LDD_4,
86 GPIO63_LCD_LDD_5,
87 GPIO64_LCD_LDD_6,
88 GPIO65_LCD_LDD_7,
89 GPIO66_LCD_LDD_8,
90 GPIO67_LCD_LDD_9,
91 GPIO68_LCD_LDD_10,
92 GPIO69_LCD_LDD_11,
93 GPIO70_LCD_LDD_12,
94 GPIO71_LCD_LDD_13,
95 GPIO72_LCD_LDD_14,
96 GPIO73_LCD_LDD_15,
97 GPIO74_LCD_FCLK,
98 GPIO75_LCD_LCLK,
99 GPIO76_LCD_PCLK,
100
101 /* Bluetooth */
102 GPIO44_BTUART_CTS,
103 GPIO42_BTUART_RXD,
104 GPIO45_BTUART_RTS,
105 GPIO43_BTUART_TXD,
106 MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
107
108 /* GPS */
109 MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
110 MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
111 MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
112 MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
113 MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
114 GPIO46_STUART_RXD,
115 GPIO47_STUART_TXD,
116
117 /* GSM */
118 MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
119 MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
120 MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
121 MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
122 MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
123 MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
124 GPIO34_FFUART_RXD,
125 GPIO35_FFUART_CTS,
126 GPIO36_FFUART_DCD,
127 GPIO37_FFUART_DSR,
128 GPIO39_FFUART_TXD,
129 GPIO40_FFUART_DTR,
130 GPIO41_FFUART_RTS,
131
132 /* Sound */
133 GPIO89_AC97_SYSCLK,
134 MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
135
136 /* Leds */
137 MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
138 MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
139 MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
140 MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
141 MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
142
143 /* Keyboard */
144 MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
145 MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
146 MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
147 GPIO100_KP_MKIN_0,
148 GPIO101_KP_MKIN_1,
149 GPIO102_KP_MKIN_2,
150 GPIO103_KP_MKOUT_0,
151 GPIO104_KP_MKOUT_1,
152 GPIO105_KP_MKOUT_2,
153
154 /* Unknown */
155 MFP_CFG_IN(GPIO14, AF0),
156 MFP_CFG_IN(GPIO20, AF0),
157 MFP_CFG_IN(GPIO21, AF0),
158 MFP_CFG_IN(GPIO33, AF0),
159 MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
160 MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
161 MFP_CFG_OUT(GPIO77, AF0, DRIVE_HIGH),
162 MFP_CFG_IN(GPIO80, AF0),
163 MFP_CFG_OUT(GPIO86, AF0, DRIVE_HIGH),
164 MFP_CFG_IN(GPIO96, AF0),
165 MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
166};
167
168#define MIO_GPIO_IN(num, _desc) \
169 { .gpio = (num), .dir = 0, .desc = (_desc) }
170#define MIO_GPIO_OUT(num, _init, _desc) \
171 { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
172struct gpio_ress {
173 unsigned gpio : 8;
174 unsigned dir : 1;
175 unsigned init : 1;
176 char *desc;
177};
178
179static int mio_gpio_request(struct gpio_ress *gpios, int size)
180{
181 int i, rc = 0;
182 int gpio;
183 int dir;
184
185 for (i = 0; (!rc) && (i < size); i++) {
186 gpio = gpios[i].gpio;
187 dir = gpios[i].dir;
188 rc = gpio_request(gpio, gpios[i].desc);
189 if (rc) {
190 printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n",
191 gpio, gpios[i].desc, rc);
192 continue;
193 }
194 if (dir)
195 gpio_direction_output(gpio, gpios[i].init);
196 else
197 gpio_direction_input(gpio);
198 }
199 while ((rc) && (--i >= 0))
200 gpio_free(gpios[i].gpio);
201 return rc;
202}
203
204static void mio_gpio_free(struct gpio_ress *gpios, int size)
205{
206 int i;
207
208 for (i = 0; i < size; i++)
209 gpio_free(gpios[i].gpio);
210}
211
212/* LCD Screen and Backlight */
213static 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/*
221 * LTM0305A776C LCD panel timings
222 *
223 * see:
224 * - the LTM0305A776C datasheet,
225 * - and the PXA27x Programmers' manual
226 */
227static struct pxafb_mode_info mioa701_ltm0305a776c = {
228 .pixclock = 220000, /* CLK=4.545 MHz */
229 .xres = 240,
230 .yres = 320,
231 .bpp = 16,
232 .hsync_len = 4,
233 .vsync_len = 2,
234 .left_margin = 6,
235 .right_margin = 4,
236 .upper_margin = 5,
237 .lower_margin = 3,
238};
239
240static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
241{
242 gpio_set_value(GPIO87_LCD_POWER, on);
243}
244
245static struct pxafb_mach_info mioa701_pxafb_info = {
246 .modes = &mioa701_ltm0305a776c,
247 .num_modes = 1,
248 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
249 .pxafb_lcd_power = mioa701_lcd_power,
250};
251
252/*
253 * Keyboard configuration
254 */
255static unsigned int mioa701_matrix_keys[] = {
256 KEY(0, 0, KEY_UP),
257 KEY(0, 1, KEY_RIGHT),
258 KEY(0, 2, KEY_MEDIA),
259 KEY(1, 0, KEY_DOWN),
260 KEY(1, 1, KEY_ENTER),
261 KEY(1, 2, KEY_CONNECT), /* GPS key */
262 KEY(2, 0, KEY_LEFT),
263 KEY(2, 1, KEY_PHONE), /* Phone Green key */
264 KEY(2, 2, KEY_CAMERA) /* Camera key */
265};
266static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
267 .matrix_key_rows = 3,
268 .matrix_key_cols = 3,
269 .matrix_key_map = mioa701_matrix_keys,
270 .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
271};
272
273/*
274 * GPIO Key Configuration
275 */
276#define MIO_KEY(key, _gpio, _desc, _wakeup) \
277 { .code = (key), .gpio = (_gpio), .active_low = 0, \
278 .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
279static struct gpio_keys_button mioa701_button_table[] = {
280 MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
281 MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
282 MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
283 MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
284};
285
286static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
287 .buttons = mioa701_button_table,
288 .nbuttons = ARRAY_SIZE(mioa701_button_table),
289};
290
291/*
292 * Leds and vibrator
293 */
294#define ONE_LED(_gpio, _name) \
295{ .gpio = (_gpio), .name = (_name), .active_low = true }
296static struct gpio_led gpio_leds[] = {
297 ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
298 ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
299 ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
300 ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
301 ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
302};
303
304static struct gpio_led_platform_data gpio_led_info = {
305 .leds = gpio_leds,
306 .num_leds = ARRAY_SIZE(gpio_leds),
307};
308
309/*
310 * GSM Sagem XS200 chip
311 *
312 * GSM handling was purged from kernel. For history, this is the way to go :
313 * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
314 * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
315 * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
316 * GPIO24_GSM_MOD_RESET_CMD = 0
317 * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
318 * GPIO88_GSM_nMOD_ON_CMD = 1
319 * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
320 * GPIO90_GSM_nMOD_OFF_CMD = 1
321 */
322static int is_gsm_on(void)
323{
324 int is_on;
325
326 is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
327 return is_on;
328}
329
330irqreturn_t gsm_on_irq(int irq, void *p)
331{
332 printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
333 is_gsm_on() ? "on" : "off");
334 return IRQ_HANDLED;
335}
336
337struct gpio_ress gsm_gpios[] = {
338 MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"),
339 MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"),
340};
341
342static int __init gsm_init(void)
343{
344 int rc;
345
346 rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios));
347 if (rc)
348 goto err_gpio;
349 rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
350 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
351 "GSM XS200 Power Irq", NULL);
352 if (rc)
353 goto err_irq;
354
355 gpio_set_wake(GPIO113_GSM_EVENT, 1);
356 return 0;
357
358err_irq:
359 printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
360 mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
361err_gpio:
362 printk(KERN_ERR "Mioa701: gsm not available\n");
363 return rc;
364}
365
366static void gsm_exit(void)
367{
368 free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
369 mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios));
370}
371
372/*
373 * Bluetooth BRF6150 chip
374 *
375 * BT handling was purged from kernel. For history, this is the way to go :
376 * - turn on : GPIO83_BT_ON = 1
377 * - turn off : GPIO83_BT_ON = 0
378 */
379
380/*
381 * GPS Sirf Star III chip
382 *
383 * GPS handling was purged from kernel. For history, this is the way to go :
384 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
385 * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
386 * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
387 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
388 */
389
390/*
391 * USB UDC
392 */
393static void udc_power_command(int cmd)
394{
395 switch (cmd) {
396 case PXA2XX_UDC_CMD_DISCONNECT:
397 gpio_set_value(GPIO22_USB_ENABLE, 0);
398 break;
399 case PXA2XX_UDC_CMD_CONNECT:
400 gpio_set_value(GPIO22_USB_ENABLE, 1);
401 break;
402 default:
403 printk(KERN_INFO "udc_control: unknown command (0x%x)!\n", cmd);
404 break;
405 }
406}
407
408static int is_usb_connected(void)
409{
410 return !!gpio_get_value(GPIO13_USB_DETECT);
411}
412
413static struct pxa2xx_udc_mach_info mioa701_udc_info = {
414 .udc_is_connected = is_usb_connected,
415 .udc_command = udc_power_command,
416};
417
418struct gpio_ress udc_gpios[] = {
419 MIO_GPIO_OUT(GPIO22_USB_ENABLE, 0, "USB Vbus enable")
420};
421
422static int __init udc_init(void)
423{
424 pxa_set_udc_info(&mioa701_udc_info);
425 return mio_gpio_request(ARRAY_AND_SIZE(udc_gpios));
426}
427
428static void udc_exit(void)
429{
430 mio_gpio_free(ARRAY_AND_SIZE(udc_gpios));
431}
432
433/*
434 * SDIO/MMC Card controller
435 */
436static void mci_setpower(struct device *dev, unsigned int vdd)
437{
438 struct pxamci_platform_data *p_d = dev->platform_data;
439
440 if ((1 << vdd) & p_d->ocr_mask)
441 gpio_set_value(GPIO91_SDIO_EN, 1); /* enable SDIO power */
442 else
443 gpio_set_value(GPIO91_SDIO_EN, 0); /* disable SDIO power */
444}
445
446static int mci_get_ro(struct device *dev)
447{
448 return gpio_get_value(GPIO78_SDIO_RO);
449}
450
451struct gpio_ress mci_gpios[] = {
452 MIO_GPIO_IN(GPIO78_SDIO_RO, "SDIO readonly detect"),
453 MIO_GPIO_IN(GPIO15_SDIO_INSERT, "SDIO insertion detect"),
454 MIO_GPIO_OUT(GPIO91_SDIO_EN, 0, "SDIO power enable")
455};
456
457static void mci_exit(struct device *dev, void *data)
458{
459 mio_gpio_free(ARRAY_AND_SIZE(mci_gpios));
460 free_irq(gpio_to_irq(GPIO15_SDIO_INSERT), data);
461}
462
463static struct pxamci_platform_data mioa701_mci_info;
464
465/**
466 * The card detect interrupt isn't debounced so we delay it by 250ms
467 * to give the card a chance to fully insert/eject.
468 */
469static int mci_init(struct device *dev, irq_handler_t detect_int, void *data)
470{
471 int rc;
472 int irq = gpio_to_irq(GPIO15_SDIO_INSERT);
473
474 rc = mio_gpio_request(ARRAY_AND_SIZE(mci_gpios));
475 if (rc)
476 goto err_gpio;
477 /* enable RE/FE interrupt on card insertion and removal */
478 rc = request_irq(irq, detect_int,
479 IRQF_DISABLED | IRQF_TRIGGER_RISING |
480 IRQF_TRIGGER_FALLING,
481 "MMC card detect", data);
482 if (rc)
483 goto err_irq;
484
485 mioa701_mci_info.detect_delay = msecs_to_jiffies(250);
486 return 0;
487
488err_irq:
489 dev_err(dev, "mioa701_mci_init: MMC/SD:"
490 " can't request MMC card detect IRQ\n");
491 mio_gpio_free(ARRAY_AND_SIZE(mci_gpios));
492err_gpio:
493 return rc;
494}
495
496static struct pxamci_platform_data mioa701_mci_info = {
497 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
498 .init = mci_init,
499 .get_ro = mci_get_ro,
500 .setpower = mci_setpower,
501 .exit = mci_exit,
502};
503
504/* FlashRAM */
505static struct resource strataflash_resource = {
506 .start = PXA_CS0_PHYS,
507 .end = PXA_CS0_PHYS + SZ_64M - 1,
508 .flags = IORESOURCE_MEM,
509};
510
511static struct physmap_flash_data strataflash_data = {
512 .width = 2,
513 /* .set_vpp = mioa701_set_vpp, */
514};
515
516static struct platform_device strataflash = {
517 .name = "physmap-flash",
518 .id = -1,
519 .resource = &strataflash_resource,
520 .num_resources = 1,
521 .dev = {
522 .platform_data = &strataflash_data,
523 },
524};
525
526/*
527 * Suspend/Resume bootstrap management
528 *
529 * MIO A701 reboot sequence is highly ROM dependant. From the one dissassembled,
530 * this sequence is as follows :
531 * - disables interrupts
532 * - initialize SDRAM (self refresh RAM into active RAM)
533 * - initialize GPIOs (depends on value at 0xa020b020)
534 * - initialize coprossessors
535 * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
536 * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
537 * - else do a resume, ie. jump to addr 0xa0100000
538 */
539#define RESUME_ENABLE_ADDR 0xa020b000
540#define RESUME_ENABLE_VAL 0x0f0f0f0f
541#define RESUME_BT_ADDR 0xa020b020
542#define RESUME_UNKNOWN_ADDR 0xa020b024
543#define RESUME_VECTOR_ADDR 0xa0100000
544#define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4
545
546static u32 *save_buffer;
547
548static void install_bootstrap(void)
549{
550 int i;
551 u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR);
552 u32 *src = &mioa701_bootstrap;
553
554 for (i = 0; i < BOOTSTRAP_WORDS; i++)
555 rom_bootstrap[i] = src[i];
556}
557
558
559static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state)
560{
561 int i = 0, is_bt_on;
562 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
563 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
564 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
565 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
566
567 /* Devices prepare suspend */
568 is_bt_on = gpio_get_value(GPIO83_BT_ON);
569 pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
570 is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);
571
572 for (i = 0; i < BOOTSTRAP_WORDS; i++)
573 save_buffer[i] = mem_resume_vector[i];
574 save_buffer[i++] = *mem_resume_enabler;
575 save_buffer[i++] = *mem_resume_bt;
576 save_buffer[i++] = *mem_resume_unknown;
577
578 *mem_resume_enabler = RESUME_ENABLE_VAL;
579 *mem_resume_bt = is_bt_on;
580
581 install_bootstrap();
582 return 0;
583}
584
585static int mioa701_sys_resume(struct sys_device *sysdev)
586{
587 int i = 0;
588 u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR);
589 u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
590 u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR);
591 u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);
592
593 for (i = 0; i < BOOTSTRAP_WORDS; i++)
594 mem_resume_vector[i] = save_buffer[i];
595 *mem_resume_enabler = save_buffer[i++];
596 *mem_resume_bt = save_buffer[i++];
597 *mem_resume_unknown = save_buffer[i++];
598
599 return 0;
600}
601
602static struct sysdev_class mioa701_sysclass = {
603 .name = "mioa701",
604};
605
606static struct sys_device sysdev_bootstrap = {
607 .cls = &mioa701_sysclass,
608};
609
610static struct sysdev_driver driver_bootstrap = {
611 .suspend = &mioa701_sys_suspend,
612 .resume = &mioa701_sys_resume,
613};
614
615static int __init bootstrap_init(void)
616{
617 int rc;
618 int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);
619
620 rc = sysdev_class_register(&mioa701_sysclass);
621 if (rc) {
622 printk(KERN_ERR "Failed registering mioa701 sys class\n");
623 return -ENODEV;
624 }
625 rc = sysdev_register(&sysdev_bootstrap);
626 if (rc) {
627 printk(KERN_ERR "Failed registering mioa701 sys device\n");
628 return -ENODEV;
629 }
630 rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap);
631 if (rc) {
632 printk(KERN_ERR "Failed registering PMU sys driver\n");
633 return -ENODEV;
634 }
635
636 save_buffer = kmalloc(save_size, GFP_KERNEL);
637 if (!save_buffer)
638 return -ENOMEM;
639 printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
640 save_size);
641 return 0;
642}
643
644static void bootstrap_exit(void)
645{
646 kfree(save_buffer);
647 sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap);
648 sysdev_unregister(&sysdev_bootstrap);
649 sysdev_class_unregister(&mioa701_sysclass);
650
651 printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
652 "resume !!!\n");
653}
654
655/*
656 * Power Supply
657 */
658static char *supplicants[] = {
659 "mioa701_battery"
660};
661
662static void mioa701_set_charge(int flags)
663{
664 gpio_set_value(GPIO9_CHARGE_nEN, !flags);
665}
666
667static struct pda_power_pdata power_pdata = {
668 .is_ac_online = is_usb_connected,
669 .set_charge = mioa701_set_charge,
670 .supplied_to = supplicants,
671 .num_supplicants = ARRAY_SIZE(supplicants),
672};
673
674static struct resource power_resources[] = {
675 [0] = {
676 .name = "ac",
677 .start = gpio_to_irq(GPIO13_USB_DETECT),
678 .end = gpio_to_irq(GPIO13_USB_DETECT),
679 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
680 IORESOURCE_IRQ_LOWEDGE,
681 },
682};
683
684static struct platform_device power_dev = {
685 .name = "pda-power",
686 .id = -1,
687 .resource = power_resources,
688 .num_resources = ARRAY_SIZE(power_resources),
689 .dev = {
690 .platform_data = &power_pdata,
691 },
692};
693
694#if defined(CONFIG_PDA_POWER) && defined(CONFIG_TOUCHSCREEN_WM97XX)
695static struct wm97xx *battery_wm;
696
697static enum power_supply_property battery_props[] = {
698 POWER_SUPPLY_PROP_STATUS,
699 POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
700 POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
701 POWER_SUPPLY_PROP_VOLTAGE_NOW,
702 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, /* Necessary for apm */
703};
704
705static int get_battery_voltage(void)
706{
707 int adc = -1;
708
709 if (battery_wm)
710 adc = wm97xx_read_aux_adc(battery_wm, WM97XX_AUX_ID1);
711 return adc;
712}
713
714static int get_battery_status(struct power_supply *b)
715{
716 int status;
717
718 if (is_usb_connected())
719 status = POWER_SUPPLY_STATUS_CHARGING;
720 else
721 status = POWER_SUPPLY_STATUS_DISCHARGING;
722
723 return status;
724}
725
726static int get_property(struct power_supply *b,
727 enum power_supply_property psp,
728 union power_supply_propval *val)
729{
730 int rc = 0;
731
732 switch (psp) {
733 case POWER_SUPPLY_PROP_STATUS:
734 val->intval = get_battery_status(b);
735 break;
736 case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
737 val->intval = 0xfd0;
738 break;
739 case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
740 val->intval = 0xc00;
741 break;
742 case POWER_SUPPLY_PROP_VOLTAGE_NOW:
743 val->intval = get_battery_voltage();
744 break;
745 case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
746 val->intval = 100;
747 break;
748 default:
749 val->intval = -1;
750 rc = -1;
751 }
752
753 return rc;
754};
755
756static struct power_supply battery_ps = {
757 .name = "mioa701_battery",
758 .type = POWER_SUPPLY_TYPE_BATTERY,
759 .get_property = get_property,
760 .properties = battery_props,
761 .num_properties = ARRAY_SIZE(battery_props),
762};
763
764static int battery_probe(struct platform_device *pdev)
765{
766 struct wm97xx *wm = platform_get_drvdata(pdev);
767 int rc;
768
769 battery_wm = wm;
770
771 rc = power_supply_register(NULL, &battery_ps);
772 if (rc)
773 dev_err(&pdev->dev,
774 "Could not register mioa701 battery -> %d\n", rc);
775 return rc;
776}
777
778static int battery_remove(struct platform_device *pdev)
779{
780 battery_wm = NULL;
781 return 0;
782}
783
784static struct platform_driver mioa701_battery_driver = {
785 .driver = {
786 .name = "wm97xx-battery",
787 },
788 .probe = battery_probe,
789 .remove = battery_remove
790};
791
792static int __init mioa701_battery_init(void)
793{
794 int rc;
795
796 rc = platform_driver_register(&mioa701_battery_driver);
797 if (rc)
798 printk(KERN_ERR "Could not register mioa701 battery driver\n");
799 return rc;
800}
801
802#else
803static int __init mioa701_battery_init(void)
804{
805 return 0;
806}
807#endif
808
809/*
810 * Mio global
811 */
812
813/* Devices */
814#define MIO_PARENT_DEV(var, strname, tparent, pdata) \
815static struct platform_device var = { \
816 .name = strname, \
817 .id = -1, \
818 .dev = { \
819 .platform_data = pdata, \
820 .parent = tparent, \
821 }, \
822};
823#define MIO_SIMPLE_DEV(var, strname, pdata) \
824 MIO_PARENT_DEV(var, strname, NULL, pdata)
825
826MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data)
827MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev,
828 &mioa701_backlight_data);
829MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info)
830MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL)
831MIO_SIMPLE_DEV(pxa2xx_ac97, "pxa2xx-ac97", NULL)
832MIO_PARENT_DEV(mio_wm9713_codec, "wm9713-codec", &pxa2xx_ac97.dev, NULL)
833MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL)
834MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL)
835
836static struct platform_device *devices[] __initdata = {
837 &mioa701_gpio_keys,
838 &mioa701_backlight,
839 &mioa701_led,
840 &pxa2xx_pcm,
841 &pxa2xx_ac97,
842 &mio_wm9713_codec,
843 &mioa701_sound,
844 &power_dev,
845 &strataflash,
846 &mioa701_board
847};
848
849static void mioa701_machine_exit(void);
850
851static void mioa701_poweroff(void)
852{
853 mioa701_machine_exit();
854 gpio_set_value(GPIO18_POWEROFF, 1);
855}
856
857static void mioa701_restart(char c)
858{
859 mioa701_machine_exit();
860 arm_machine_restart(c);
861}
862
863struct gpio_ress global_gpios[] = {
864 MIO_GPIO_OUT(GPIO9_CHARGE_nEN, 1, "Charger enable"),
865 MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"),
866 MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power")
867};
868
869static void __init mioa701_machine_init(void)
870{
871 PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
872 PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
873 RTTR = 32768 - 1; /* Reset crazy WinCE value */
874 UP2OCR = UP2OCR_HXOE;
875
876 pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
877 mio_gpio_request(ARRAY_AND_SIZE(global_gpios));
878 bootstrap_init();
879 set_pxa_fb_info(&mioa701_pxafb_info);
880 pxa_set_mci_info(&mioa701_mci_info);
881 pxa_set_keypad_info(&mioa701_keypad_info);
882 udc_init();
883 pm_power_off = mioa701_poweroff;
884 arm_pm_restart = mioa701_restart;
885 platform_add_devices(devices, ARRAY_SIZE(devices));
886 gsm_init();
887 mioa701_battery_init();
888}
889
890static void mioa701_machine_exit(void)
891{
892 udc_exit();
893 bootstrap_exit();
894 gsm_exit();
895}
896
897MACHINE_START(MIOA701, "MIO A701")
898 .phys_io = 0x40000000,
899 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
900 .boot_params = 0xa0000100,
901 .map_io = &pxa_map_io,
902 .init_irq = &pxa27x_init_irq,
903 .init_machine = mioa701_machine_init,
904 .timer = &pxa_timer,
905MACHINE_END
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-11 03:38:33 -0500