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eda6f6ec RJ |
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> | |
4aa89f97 | 37 | #include <linux/wm97xx_batt.h> |
eda6f6ec RJ |
38 | #include <linux/mtd/physmap.h> |
39 | ||
40 | #include <asm/mach-types.h> | |
41 | #include <asm/mach/arch.h> | |
51c62982 EM |
42 | |
43 | #include <mach/pxa27x.h> | |
eda6f6ec RJ |
44 | #include <mach/pxa27x_keypad.h> |
45 | #include <mach/pxafb.h> | |
eda6f6ec RJ |
46 | #include <mach/mmc.h> |
47 | #include <mach/udc.h> | |
48 | #include <mach/pxa27x-udc.h> | |
8e7ccddf RJ |
49 | #include <mach/i2c.h> |
50 | #include <mach/camera.h> | |
51 | #include <media/soc_camera.h> | |
eda6f6ec RJ |
52 | |
53 | #include <mach/mioa701.h> | |
54 | ||
55 | #include "generic.h" | |
56 | #include "devices.h" | |
57 | ||
58 | static unsigned long mioa701_pin_config[] = { | |
59 | /* Mio global */ | |
c96763d4 | 60 | MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW), |
eda6f6ec RJ |
61 | MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW), |
62 | MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH), | |
63 | MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH), | |
c96763d4 | 64 | MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0), |
eda6f6ec RJ |
65 | |
66 | /* Backlight PWM 0 */ | |
67 | GPIO16_PWM0_OUT, | |
68 | ||
69 | /* MMC */ | |
70 | GPIO32_MMC_CLK, | |
71 | GPIO92_MMC_DAT_0, | |
72 | GPIO109_MMC_DAT_1, | |
73 | GPIO110_MMC_DAT_2, | |
74 | GPIO111_MMC_DAT_3, | |
75 | GPIO112_MMC_CMD, | |
76 | MIO_CFG_IN(GPIO78_SDIO_RO, AF0), | |
77 | MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0), | |
78 | MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW), | |
79 | ||
80 | /* USB */ | |
c96763d4 | 81 | MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0), |
eda6f6ec RJ |
82 | MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW), |
83 | ||
84 | /* LCD */ | |
85 | GPIO58_LCD_LDD_0, | |
86 | GPIO59_LCD_LDD_1, | |
87 | GPIO60_LCD_LDD_2, | |
88 | GPIO61_LCD_LDD_3, | |
89 | GPIO62_LCD_LDD_4, | |
90 | GPIO63_LCD_LDD_5, | |
91 | GPIO64_LCD_LDD_6, | |
92 | GPIO65_LCD_LDD_7, | |
93 | GPIO66_LCD_LDD_8, | |
94 | GPIO67_LCD_LDD_9, | |
95 | GPIO68_LCD_LDD_10, | |
96 | GPIO69_LCD_LDD_11, | |
97 | GPIO70_LCD_LDD_12, | |
98 | GPIO71_LCD_LDD_13, | |
99 | GPIO72_LCD_LDD_14, | |
100 | GPIO73_LCD_LDD_15, | |
101 | GPIO74_LCD_FCLK, | |
102 | GPIO75_LCD_LCLK, | |
103 | GPIO76_LCD_PCLK, | |
104 | ||
8e7ccddf RJ |
105 | /* QCI */ |
106 | GPIO12_CIF_DD_7, | |
107 | GPIO17_CIF_DD_6, | |
108 | GPIO50_CIF_DD_3, | |
109 | GPIO51_CIF_DD_2, | |
110 | GPIO52_CIF_DD_4, | |
111 | GPIO53_CIF_MCLK, | |
112 | GPIO54_CIF_PCLK, | |
113 | GPIO55_CIF_DD_1, | |
114 | GPIO81_CIF_DD_0, | |
115 | GPIO82_CIF_DD_5, | |
116 | GPIO84_CIF_FV, | |
117 | GPIO85_CIF_LV, | |
118 | ||
eda6f6ec | 119 | /* Bluetooth */ |
c96763d4 | 120 | MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0), |
eda6f6ec RJ |
121 | GPIO44_BTUART_CTS, |
122 | GPIO42_BTUART_RXD, | |
123 | GPIO45_BTUART_RTS, | |
124 | GPIO43_BTUART_TXD, | |
125 | MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW), | |
c96763d4 RJ |
126 | MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH), |
127 | MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH), | |
eda6f6ec RJ |
128 | |
129 | /* GPS */ | |
130 | MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW), | |
131 | MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW), | |
132 | MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW), | |
133 | MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW), | |
134 | MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW), | |
135 | GPIO46_STUART_RXD, | |
136 | GPIO47_STUART_TXD, | |
137 | ||
138 | /* GSM */ | |
139 | MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW), | |
140 | MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH), | |
141 | MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH), | |
142 | MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH), | |
143 | MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0), | |
144 | MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH, | |
145 | GPIO34_FFUART_RXD, | |
146 | GPIO35_FFUART_CTS, | |
147 | GPIO36_FFUART_DCD, | |
148 | GPIO37_FFUART_DSR, | |
149 | GPIO39_FFUART_TXD, | |
150 | GPIO40_FFUART_DTR, | |
151 | GPIO41_FFUART_RTS, | |
152 | ||
153 | /* Sound */ | |
154 | GPIO89_AC97_SYSCLK, | |
155 | MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0), | |
156 | ||
157 | /* Leds */ | |
158 | MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH), | |
159 | MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH), | |
160 | MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH), | |
161 | MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH), | |
162 | MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH), | |
163 | ||
164 | /* Keyboard */ | |
165 | MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH, | |
166 | MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0), | |
167 | MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0), | |
168 | GPIO100_KP_MKIN_0, | |
169 | GPIO101_KP_MKIN_1, | |
170 | GPIO102_KP_MKIN_2, | |
171 | GPIO103_KP_MKOUT_0, | |
172 | GPIO104_KP_MKOUT_1, | |
173 | GPIO105_KP_MKOUT_2, | |
174 | ||
8e7ccddf RJ |
175 | /* I2C */ |
176 | GPIO117_I2C_SCL, | |
177 | GPIO118_I2C_SDA, | |
178 | ||
eda6f6ec | 179 | /* Unknown */ |
eda6f6ec RJ |
180 | MFP_CFG_IN(GPIO20, AF0), |
181 | MFP_CFG_IN(GPIO21, AF0), | |
182 | MFP_CFG_IN(GPIO33, AF0), | |
183 | MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH), | |
184 | MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH), | |
eda6f6ec RJ |
185 | MFP_CFG_IN(GPIO96, AF0), |
186 | MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH), | |
187 | }; | |
188 | ||
189 | #define MIO_GPIO_IN(num, _desc) \ | |
190 | { .gpio = (num), .dir = 0, .desc = (_desc) } | |
191 | #define MIO_GPIO_OUT(num, _init, _desc) \ | |
192 | { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) } | |
193 | struct gpio_ress { | |
194 | unsigned gpio : 8; | |
195 | unsigned dir : 1; | |
196 | unsigned init : 1; | |
197 | char *desc; | |
198 | }; | |
199 | ||
200 | static int mio_gpio_request(struct gpio_ress *gpios, int size) | |
201 | { | |
202 | int i, rc = 0; | |
203 | int gpio; | |
204 | int dir; | |
205 | ||
206 | for (i = 0; (!rc) && (i < size); i++) { | |
207 | gpio = gpios[i].gpio; | |
208 | dir = gpios[i].dir; | |
209 | rc = gpio_request(gpio, gpios[i].desc); | |
210 | if (rc) { | |
211 | printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n", | |
212 | gpio, gpios[i].desc, rc); | |
213 | continue; | |
214 | } | |
215 | if (dir) | |
216 | gpio_direction_output(gpio, gpios[i].init); | |
217 | else | |
218 | gpio_direction_input(gpio); | |
219 | } | |
220 | while ((rc) && (--i >= 0)) | |
221 | gpio_free(gpios[i].gpio); | |
222 | return rc; | |
223 | } | |
224 | ||
225 | static void mio_gpio_free(struct gpio_ress *gpios, int size) | |
226 | { | |
227 | int i; | |
228 | ||
229 | for (i = 0; i < size; i++) | |
230 | gpio_free(gpios[i].gpio); | |
231 | } | |
232 | ||
233 | /* LCD Screen and Backlight */ | |
234 | static struct platform_pwm_backlight_data mioa701_backlight_data = { | |
235 | .pwm_id = 0, | |
236 | .max_brightness = 100, | |
237 | .dft_brightness = 50, | |
238 | .pwm_period_ns = 4000 * 1024, /* Fl = 250kHz */ | |
239 | }; | |
240 | ||
241 | /* | |
242 | * LTM0305A776C LCD panel timings | |
243 | * | |
244 | * see: | |
245 | * - the LTM0305A776C datasheet, | |
246 | * - and the PXA27x Programmers' manual | |
247 | */ | |
248 | static struct pxafb_mode_info mioa701_ltm0305a776c = { | |
249 | .pixclock = 220000, /* CLK=4.545 MHz */ | |
250 | .xres = 240, | |
251 | .yres = 320, | |
252 | .bpp = 16, | |
253 | .hsync_len = 4, | |
254 | .vsync_len = 2, | |
255 | .left_margin = 6, | |
256 | .right_margin = 4, | |
257 | .upper_margin = 5, | |
258 | .lower_margin = 3, | |
259 | }; | |
260 | ||
261 | static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si) | |
262 | { | |
263 | gpio_set_value(GPIO87_LCD_POWER, on); | |
264 | } | |
265 | ||
266 | static struct pxafb_mach_info mioa701_pxafb_info = { | |
267 | .modes = &mioa701_ltm0305a776c, | |
268 | .num_modes = 1, | |
269 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
270 | .pxafb_lcd_power = mioa701_lcd_power, | |
271 | }; | |
272 | ||
273 | /* | |
274 | * Keyboard configuration | |
275 | */ | |
276 | static unsigned int mioa701_matrix_keys[] = { | |
277 | KEY(0, 0, KEY_UP), | |
278 | KEY(0, 1, KEY_RIGHT), | |
279 | KEY(0, 2, KEY_MEDIA), | |
280 | KEY(1, 0, KEY_DOWN), | |
281 | KEY(1, 1, KEY_ENTER), | |
282 | KEY(1, 2, KEY_CONNECT), /* GPS key */ | |
283 | KEY(2, 0, KEY_LEFT), | |
284 | KEY(2, 1, KEY_PHONE), /* Phone Green key */ | |
285 | KEY(2, 2, KEY_CAMERA) /* Camera key */ | |
286 | }; | |
287 | static struct pxa27x_keypad_platform_data mioa701_keypad_info = { | |
288 | .matrix_key_rows = 3, | |
289 | .matrix_key_cols = 3, | |
290 | .matrix_key_map = mioa701_matrix_keys, | |
291 | .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys), | |
292 | }; | |
293 | ||
294 | /* | |
295 | * GPIO Key Configuration | |
296 | */ | |
297 | #define MIO_KEY(key, _gpio, _desc, _wakeup) \ | |
298 | { .code = (key), .gpio = (_gpio), .active_low = 0, \ | |
299 | .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) } | |
300 | static struct gpio_keys_button mioa701_button_table[] = { | |
301 | MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1), | |
302 | MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0), | |
303 | MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0), | |
304 | MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0) | |
305 | }; | |
306 | ||
307 | static struct gpio_keys_platform_data mioa701_gpio_keys_data = { | |
308 | .buttons = mioa701_button_table, | |
309 | .nbuttons = ARRAY_SIZE(mioa701_button_table), | |
310 | }; | |
311 | ||
312 | /* | |
313 | * Leds and vibrator | |
314 | */ | |
315 | #define ONE_LED(_gpio, _name) \ | |
316 | { .gpio = (_gpio), .name = (_name), .active_low = true } | |
317 | static struct gpio_led gpio_leds[] = { | |
318 | ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"), | |
319 | ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"), | |
320 | ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"), | |
321 | ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"), | |
322 | ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard") | |
323 | }; | |
324 | ||
325 | static struct gpio_led_platform_data gpio_led_info = { | |
326 | .leds = gpio_leds, | |
327 | .num_leds = ARRAY_SIZE(gpio_leds), | |
328 | }; | |
329 | ||
330 | /* | |
331 | * GSM Sagem XS200 chip | |
332 | * | |
333 | * GSM handling was purged from kernel. For history, this is the way to go : | |
334 | * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1 | |
335 | * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1 | |
336 | * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100), | |
337 | * GPIO24_GSM_MOD_RESET_CMD = 0 | |
338 | * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000), | |
339 | * GPIO88_GSM_nMOD_ON_CMD = 1 | |
340 | * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000), | |
341 | * GPIO90_GSM_nMOD_OFF_CMD = 1 | |
342 | */ | |
343 | static int is_gsm_on(void) | |
344 | { | |
345 | int is_on; | |
346 | ||
347 | is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE); | |
348 | return is_on; | |
349 | } | |
350 | ||
351 | irqreturn_t gsm_on_irq(int irq, void *p) | |
352 | { | |
353 | printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n", | |
354 | is_gsm_on() ? "on" : "off"); | |
355 | return IRQ_HANDLED; | |
356 | } | |
357 | ||
358 | struct gpio_ress gsm_gpios[] = { | |
359 | MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"), | |
360 | MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"), | |
361 | }; | |
362 | ||
363 | static int __init gsm_init(void) | |
364 | { | |
365 | int rc; | |
366 | ||
367 | rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios)); | |
368 | if (rc) | |
369 | goto err_gpio; | |
370 | rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq, | |
371 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | |
372 | "GSM XS200 Power Irq", NULL); | |
373 | if (rc) | |
374 | goto err_irq; | |
375 | ||
376 | gpio_set_wake(GPIO113_GSM_EVENT, 1); | |
377 | return 0; | |
378 | ||
379 | err_irq: | |
380 | printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n"); | |
381 | mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios)); | |
382 | err_gpio: | |
383 | printk(KERN_ERR "Mioa701: gsm not available\n"); | |
384 | return rc; | |
385 | } | |
386 | ||
387 | static void gsm_exit(void) | |
388 | { | |
389 | free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL); | |
390 | mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios)); | |
391 | } | |
392 | ||
393 | /* | |
394 | * Bluetooth BRF6150 chip | |
395 | * | |
396 | * BT handling was purged from kernel. For history, this is the way to go : | |
397 | * - turn on : GPIO83_BT_ON = 1 | |
398 | * - turn off : GPIO83_BT_ON = 0 | |
399 | */ | |
400 | ||
401 | /* | |
402 | * GPS Sirf Star III chip | |
403 | * | |
404 | * GPS handling was purged from kernel. For history, this is the way to go : | |
405 | * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 | |
406 | * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0 | |
407 | * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1 | |
408 | * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 | |
409 | */ | |
410 | ||
411 | /* | |
412 | * USB UDC | |
413 | */ | |
414 | static void udc_power_command(int cmd) | |
415 | { | |
416 | switch (cmd) { | |
417 | case PXA2XX_UDC_CMD_DISCONNECT: | |
418 | gpio_set_value(GPIO22_USB_ENABLE, 0); | |
419 | break; | |
420 | case PXA2XX_UDC_CMD_CONNECT: | |
421 | gpio_set_value(GPIO22_USB_ENABLE, 1); | |
422 | break; | |
423 | default: | |
424 | printk(KERN_INFO "udc_control: unknown command (0x%x)!\n", cmd); | |
425 | break; | |
426 | } | |
427 | } | |
428 | ||
429 | static int is_usb_connected(void) | |
430 | { | |
c96763d4 | 431 | return !gpio_get_value(GPIO13_nUSB_DETECT); |
eda6f6ec RJ |
432 | } |
433 | ||
434 | static struct pxa2xx_udc_mach_info mioa701_udc_info = { | |
435 | .udc_is_connected = is_usb_connected, | |
436 | .udc_command = udc_power_command, | |
437 | }; | |
438 | ||
439 | struct gpio_ress udc_gpios[] = { | |
440 | MIO_GPIO_OUT(GPIO22_USB_ENABLE, 0, "USB Vbus enable") | |
441 | }; | |
442 | ||
443 | static int __init udc_init(void) | |
444 | { | |
445 | pxa_set_udc_info(&mioa701_udc_info); | |
446 | return mio_gpio_request(ARRAY_AND_SIZE(udc_gpios)); | |
447 | } | |
448 | ||
449 | static void udc_exit(void) | |
450 | { | |
451 | mio_gpio_free(ARRAY_AND_SIZE(udc_gpios)); | |
452 | } | |
453 | ||
454 | /* | |
455 | * SDIO/MMC Card controller | |
456 | */ | |
457 | static void mci_setpower(struct device *dev, unsigned int vdd) | |
458 | { | |
459 | struct pxamci_platform_data *p_d = dev->platform_data; | |
460 | ||
461 | if ((1 << vdd) & p_d->ocr_mask) | |
462 | gpio_set_value(GPIO91_SDIO_EN, 1); /* enable SDIO power */ | |
463 | else | |
464 | gpio_set_value(GPIO91_SDIO_EN, 0); /* disable SDIO power */ | |
465 | } | |
466 | ||
467 | static int mci_get_ro(struct device *dev) | |
468 | { | |
469 | return gpio_get_value(GPIO78_SDIO_RO); | |
470 | } | |
471 | ||
472 | struct gpio_ress mci_gpios[] = { | |
473 | MIO_GPIO_IN(GPIO78_SDIO_RO, "SDIO readonly detect"), | |
474 | MIO_GPIO_IN(GPIO15_SDIO_INSERT, "SDIO insertion detect"), | |
475 | MIO_GPIO_OUT(GPIO91_SDIO_EN, 0, "SDIO power enable") | |
476 | }; | |
477 | ||
478 | static void mci_exit(struct device *dev, void *data) | |
479 | { | |
480 | mio_gpio_free(ARRAY_AND_SIZE(mci_gpios)); | |
481 | free_irq(gpio_to_irq(GPIO15_SDIO_INSERT), data); | |
482 | } | |
483 | ||
484 | static struct pxamci_platform_data mioa701_mci_info; | |
485 | ||
486 | /** | |
487 | * The card detect interrupt isn't debounced so we delay it by 250ms | |
488 | * to give the card a chance to fully insert/eject. | |
489 | */ | |
490 | static int mci_init(struct device *dev, irq_handler_t detect_int, void *data) | |
491 | { | |
492 | int rc; | |
493 | int irq = gpio_to_irq(GPIO15_SDIO_INSERT); | |
494 | ||
495 | rc = mio_gpio_request(ARRAY_AND_SIZE(mci_gpios)); | |
496 | if (rc) | |
497 | goto err_gpio; | |
498 | /* enable RE/FE interrupt on card insertion and removal */ | |
499 | rc = request_irq(irq, detect_int, | |
500 | IRQF_DISABLED | IRQF_TRIGGER_RISING | | |
501 | IRQF_TRIGGER_FALLING, | |
502 | "MMC card detect", data); | |
503 | if (rc) | |
504 | goto err_irq; | |
505 | ||
506 | mioa701_mci_info.detect_delay = msecs_to_jiffies(250); | |
507 | return 0; | |
508 | ||
509 | err_irq: | |
510 | dev_err(dev, "mioa701_mci_init: MMC/SD:" | |
511 | " can't request MMC card detect IRQ\n"); | |
512 | mio_gpio_free(ARRAY_AND_SIZE(mci_gpios)); | |
513 | err_gpio: | |
514 | return rc; | |
515 | } | |
516 | ||
517 | static struct pxamci_platform_data mioa701_mci_info = { | |
518 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, | |
519 | .init = mci_init, | |
520 | .get_ro = mci_get_ro, | |
521 | .setpower = mci_setpower, | |
522 | .exit = mci_exit, | |
523 | }; | |
524 | ||
525 | /* FlashRAM */ | |
526 | static struct resource strataflash_resource = { | |
527 | .start = PXA_CS0_PHYS, | |
528 | .end = PXA_CS0_PHYS + SZ_64M - 1, | |
529 | .flags = IORESOURCE_MEM, | |
530 | }; | |
531 | ||
532 | static struct physmap_flash_data strataflash_data = { | |
533 | .width = 2, | |
534 | /* .set_vpp = mioa701_set_vpp, */ | |
535 | }; | |
536 | ||
537 | static struct platform_device strataflash = { | |
538 | .name = "physmap-flash", | |
539 | .id = -1, | |
540 | .resource = &strataflash_resource, | |
541 | .num_resources = 1, | |
542 | .dev = { | |
543 | .platform_data = &strataflash_data, | |
544 | }, | |
545 | }; | |
546 | ||
547 | /* | |
548 | * Suspend/Resume bootstrap management | |
549 | * | |
550 | * MIO A701 reboot sequence is highly ROM dependant. From the one dissassembled, | |
551 | * this sequence is as follows : | |
552 | * - disables interrupts | |
553 | * - initialize SDRAM (self refresh RAM into active RAM) | |
554 | * - initialize GPIOs (depends on value at 0xa020b020) | |
555 | * - initialize coprossessors | |
556 | * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start | |
557 | * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start | |
558 | * - else do a resume, ie. jump to addr 0xa0100000 | |
559 | */ | |
560 | #define RESUME_ENABLE_ADDR 0xa020b000 | |
561 | #define RESUME_ENABLE_VAL 0x0f0f0f0f | |
562 | #define RESUME_BT_ADDR 0xa020b020 | |
563 | #define RESUME_UNKNOWN_ADDR 0xa020b024 | |
564 | #define RESUME_VECTOR_ADDR 0xa0100000 | |
565 | #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4 | |
566 | ||
567 | static u32 *save_buffer; | |
568 | ||
569 | static void install_bootstrap(void) | |
570 | { | |
571 | int i; | |
572 | u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR); | |
573 | u32 *src = &mioa701_bootstrap; | |
574 | ||
575 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
576 | rom_bootstrap[i] = src[i]; | |
577 | } | |
578 | ||
579 | ||
580 | static int mioa701_sys_suspend(struct sys_device *sysdev, pm_message_t state) | |
581 | { | |
582 | int i = 0, is_bt_on; | |
583 | u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); | |
584 | u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); | |
585 | u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); | |
586 | u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); | |
587 | ||
588 | /* Devices prepare suspend */ | |
844c6f6a | 589 | is_bt_on = !!gpio_get_value(GPIO83_BT_ON); |
eda6f6ec RJ |
590 | pxa2xx_mfp_set_lpm(GPIO83_BT_ON, |
591 | is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW); | |
592 | ||
593 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
594 | save_buffer[i] = mem_resume_vector[i]; | |
595 | save_buffer[i++] = *mem_resume_enabler; | |
596 | save_buffer[i++] = *mem_resume_bt; | |
597 | save_buffer[i++] = *mem_resume_unknown; | |
598 | ||
599 | *mem_resume_enabler = RESUME_ENABLE_VAL; | |
600 | *mem_resume_bt = is_bt_on; | |
601 | ||
602 | install_bootstrap(); | |
603 | return 0; | |
604 | } | |
605 | ||
606 | static int mioa701_sys_resume(struct sys_device *sysdev) | |
607 | { | |
608 | int i = 0; | |
609 | u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); | |
610 | u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); | |
611 | u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); | |
612 | u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); | |
613 | ||
614 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
615 | mem_resume_vector[i] = save_buffer[i]; | |
616 | *mem_resume_enabler = save_buffer[i++]; | |
617 | *mem_resume_bt = save_buffer[i++]; | |
618 | *mem_resume_unknown = save_buffer[i++]; | |
619 | ||
620 | return 0; | |
621 | } | |
622 | ||
623 | static struct sysdev_class mioa701_sysclass = { | |
624 | .name = "mioa701", | |
625 | }; | |
626 | ||
627 | static struct sys_device sysdev_bootstrap = { | |
628 | .cls = &mioa701_sysclass, | |
629 | }; | |
630 | ||
631 | static struct sysdev_driver driver_bootstrap = { | |
632 | .suspend = &mioa701_sys_suspend, | |
633 | .resume = &mioa701_sys_resume, | |
634 | }; | |
635 | ||
636 | static int __init bootstrap_init(void) | |
637 | { | |
638 | int rc; | |
639 | int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3); | |
640 | ||
641 | rc = sysdev_class_register(&mioa701_sysclass); | |
642 | if (rc) { | |
643 | printk(KERN_ERR "Failed registering mioa701 sys class\n"); | |
644 | return -ENODEV; | |
645 | } | |
646 | rc = sysdev_register(&sysdev_bootstrap); | |
647 | if (rc) { | |
648 | printk(KERN_ERR "Failed registering mioa701 sys device\n"); | |
649 | return -ENODEV; | |
650 | } | |
651 | rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap); | |
652 | if (rc) { | |
653 | printk(KERN_ERR "Failed registering PMU sys driver\n"); | |
654 | return -ENODEV; | |
655 | } | |
656 | ||
657 | save_buffer = kmalloc(save_size, GFP_KERNEL); | |
658 | if (!save_buffer) | |
659 | return -ENOMEM; | |
660 | printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n", | |
661 | save_size); | |
662 | return 0; | |
663 | } | |
664 | ||
665 | static void bootstrap_exit(void) | |
666 | { | |
667 | kfree(save_buffer); | |
668 | sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap); | |
669 | sysdev_unregister(&sysdev_bootstrap); | |
670 | sysdev_class_unregister(&mioa701_sysclass); | |
671 | ||
672 | printk(KERN_CRIT "Unregistering mioa701 suspend will hang next" | |
673 | "resume !!!\n"); | |
674 | } | |
675 | ||
676 | /* | |
677 | * Power Supply | |
678 | */ | |
679 | static char *supplicants[] = { | |
680 | "mioa701_battery" | |
681 | }; | |
682 | ||
4aa89f97 RJ |
683 | static int is_ac_connected(void) |
684 | { | |
685 | return gpio_get_value(GPIO96_AC_DETECT); | |
686 | } | |
687 | ||
eda6f6ec RJ |
688 | static void mioa701_set_charge(int flags) |
689 | { | |
c96763d4 | 690 | gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB)); |
eda6f6ec RJ |
691 | } |
692 | ||
693 | static struct pda_power_pdata power_pdata = { | |
4aa89f97 RJ |
694 | .is_ac_online = is_ac_connected, |
695 | .is_usb_online = is_usb_connected, | |
eda6f6ec RJ |
696 | .set_charge = mioa701_set_charge, |
697 | .supplied_to = supplicants, | |
698 | .num_supplicants = ARRAY_SIZE(supplicants), | |
699 | }; | |
700 | ||
701 | static struct resource power_resources[] = { | |
702 | [0] = { | |
703 | .name = "ac", | |
4aa89f97 RJ |
704 | .start = gpio_to_irq(GPIO96_AC_DETECT), |
705 | .end = gpio_to_irq(GPIO96_AC_DETECT), | |
706 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | | |
707 | IORESOURCE_IRQ_LOWEDGE, | |
708 | }, | |
709 | [1] = { | |
710 | .name = "usb", | |
c96763d4 RJ |
711 | .start = gpio_to_irq(GPIO13_nUSB_DETECT), |
712 | .end = gpio_to_irq(GPIO13_nUSB_DETECT), | |
eda6f6ec RJ |
713 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | |
714 | IORESOURCE_IRQ_LOWEDGE, | |
715 | }, | |
716 | }; | |
717 | ||
718 | static struct platform_device power_dev = { | |
719 | .name = "pda-power", | |
720 | .id = -1, | |
721 | .resource = power_resources, | |
722 | .num_resources = ARRAY_SIZE(power_resources), | |
723 | .dev = { | |
724 | .platform_data = &power_pdata, | |
725 | }, | |
726 | }; | |
727 | ||
4aa89f97 RJ |
728 | static struct wm97xx_batt_info mioa701_battery_data = { |
729 | .batt_aux = WM97XX_AUX_ID1, | |
730 | .temp_aux = -1, | |
731 | .charge_gpio = -1, | |
732 | .min_voltage = 0xc00, | |
733 | .max_voltage = 0xfc0, | |
734 | .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION, | |
735 | .batt_div = 1, | |
736 | .batt_mult = 1, | |
737 | .batt_name = "mioa701_battery", | |
eda6f6ec RJ |
738 | }; |
739 | ||
8e7ccddf RJ |
740 | /* |
741 | * Camera interface | |
742 | */ | |
743 | struct pxacamera_platform_data mioa701_pxacamera_platform_data = { | |
744 | .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | | |
745 | PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, | |
746 | .mclk_10khz = 5000, | |
eda6f6ec RJ |
747 | }; |
748 | ||
8e7ccddf RJ |
749 | static struct soc_camera_link iclink = { |
750 | .bus_id = 0, /* Must match id in pxa27x_device_camera in device.c */ | |
eda6f6ec RJ |
751 | }; |
752 | ||
8e7ccddf RJ |
753 | /* Board I2C devices. */ |
754 | static struct i2c_board_info __initdata mioa701_i2c_devices[] = { | |
755 | { | |
756 | /* Must initialize before the camera(s) */ | |
757 | I2C_BOARD_INFO("mt9m111", 0x5d), | |
758 | .platform_data = &iclink, | |
eda6f6ec | 759 | }, |
eda6f6ec RJ |
760 | }; |
761 | ||
8e7ccddf RJ |
762 | struct i2c_pxa_platform_data i2c_pdata = { |
763 | .fast_mode = 1, | |
764 | }; | |
eda6f6ec RJ |
765 | |
766 | /* | |
767 | * Mio global | |
768 | */ | |
769 | ||
770 | /* Devices */ | |
771 | #define MIO_PARENT_DEV(var, strname, tparent, pdata) \ | |
772 | static struct platform_device var = { \ | |
773 | .name = strname, \ | |
774 | .id = -1, \ | |
775 | .dev = { \ | |
776 | .platform_data = pdata, \ | |
777 | .parent = tparent, \ | |
778 | }, \ | |
779 | }; | |
780 | #define MIO_SIMPLE_DEV(var, strname, pdata) \ | |
781 | MIO_PARENT_DEV(var, strname, NULL, pdata) | |
782 | ||
783 | MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data) | |
784 | MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev, | |
785 | &mioa701_backlight_data); | |
786 | MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info) | |
787 | MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL) | |
788 | MIO_SIMPLE_DEV(pxa2xx_ac97, "pxa2xx-ac97", NULL) | |
789 | MIO_PARENT_DEV(mio_wm9713_codec, "wm9713-codec", &pxa2xx_ac97.dev, NULL) | |
790 | MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL) | |
791 | MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL) | |
792 | ||
793 | static struct platform_device *devices[] __initdata = { | |
794 | &mioa701_gpio_keys, | |
795 | &mioa701_backlight, | |
796 | &mioa701_led, | |
797 | &pxa2xx_pcm, | |
798 | &pxa2xx_ac97, | |
799 | &mio_wm9713_codec, | |
800 | &mioa701_sound, | |
801 | &power_dev, | |
802 | &strataflash, | |
803 | &mioa701_board | |
804 | }; | |
805 | ||
806 | static void mioa701_machine_exit(void); | |
807 | ||
808 | static void mioa701_poweroff(void) | |
809 | { | |
810 | mioa701_machine_exit(); | |
a0361a8a | 811 | arm_machine_restart('s'); |
eda6f6ec RJ |
812 | } |
813 | ||
814 | static void mioa701_restart(char c) | |
815 | { | |
816 | mioa701_machine_exit(); | |
a0361a8a | 817 | arm_machine_restart('s'); |
eda6f6ec RJ |
818 | } |
819 | ||
820 | struct gpio_ress global_gpios[] = { | |
c96763d4 | 821 | MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"), |
eda6f6ec RJ |
822 | MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"), |
823 | MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power") | |
824 | }; | |
825 | ||
826 | static void __init mioa701_machine_init(void) | |
827 | { | |
828 | PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */ | |
829 | PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE; | |
830 | RTTR = 32768 - 1; /* Reset crazy WinCE value */ | |
831 | UP2OCR = UP2OCR_HXOE; | |
832 | ||
833 | pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config)); | |
834 | mio_gpio_request(ARRAY_AND_SIZE(global_gpios)); | |
835 | bootstrap_init(); | |
836 | set_pxa_fb_info(&mioa701_pxafb_info); | |
837 | pxa_set_mci_info(&mioa701_mci_info); | |
838 | pxa_set_keypad_info(&mioa701_keypad_info); | |
4aa89f97 | 839 | wm97xx_bat_set_pdata(&mioa701_battery_data); |
eda6f6ec RJ |
840 | udc_init(); |
841 | pm_power_off = mioa701_poweroff; | |
842 | arm_pm_restart = mioa701_restart; | |
843 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
844 | gsm_init(); | |
8e7ccddf RJ |
845 | |
846 | pxa_set_i2c_info(&i2c_pdata); | |
847 | pxa_set_camera_info(&mioa701_pxacamera_platform_data); | |
848 | i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices)); | |
eda6f6ec RJ |
849 | } |
850 | ||
851 | static void mioa701_machine_exit(void) | |
852 | { | |
853 | udc_exit(); | |
854 | bootstrap_exit(); | |
855 | gsm_exit(); | |
856 | } | |
857 | ||
858 | MACHINE_START(MIOA701, "MIO A701") | |
859 | .phys_io = 0x40000000, | |
860 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
861 | .boot_params = 0xa0000100, | |
862 | .map_io = &pxa_map_io, | |
863 | .init_irq = &pxa27x_init_irq, | |
864 | .init_machine = mioa701_machine_init, | |
865 | .timer = &pxa_timer, | |
866 | MACHINE_END |