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[openwrt/svn-archive/archive.git] / target / linux / s3c24xx / files-2.6.30 / arch / arm / mach-s3c2442 / mach-gta02.c
1 /*
2 * linux/arch/arm/mach-s3c2442/mach-gta02.c
3 *
4 * S3C2442 Machine Support for the Openmoko Freerunner (GTA02)
5 *
6 * Copyright (C) 2006-2007 by Openmoko, Inc.
7 * Author: Harald Welte <laforge@openmoko.org>
8 * All rights reserved.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 * MA 02111-1307 USA
24 *
25 */
26
27 #include <linux/kernel.h>
28 #include <linux/types.h>
29 #include <linux/interrupt.h>
30 #include <linux/list.h>
31 #include <linux/delay.h>
32 #include <linux/timer.h>
33 #include <linux/init.h>
34 #include <linux/workqueue.h>
35 #include <linux/platform_device.h>
36 #include <linux/serial_core.h>
37 #include <linux/spi/spi.h>
38 #include <linux/spi/glamo.h>
39 #include <linux/spi/spi_bitbang.h>
40 #include <linux/mmc/host.h>
41
42 #include <linux/mtd/mtd.h>
43 #include <linux/mtd/nand.h>
44 #include <linux/mtd/nand_ecc.h>
45 #include <linux/mtd/partitions.h>
46 #include <linux/mtd/physmap.h>
47
48 #include <linux/i2c.h>
49 #include <linux/backlight.h>
50 #include <linux/regulator/machine.h>
51
52 #include <linux/mfd/pcf50633/core.h>
53 #include <linux/mfd/pcf50633/mbc.h>
54 #include <linux/mfd/pcf50633/adc.h>
55 #include <linux/mfd/pcf50633/gpio.h>
56 #include <linux/mfd/pcf50633/pmic.h>
57
58 #include <linux/lis302dl.h>
59
60 #include <asm/mach/arch.h>
61 #include <asm/mach/map.h>
62 #include <asm/mach/irq.h>
63
64 #include <mach/hardware.h>
65 #include <mach/io.h>
66 #include <asm/irq.h>
67 #include <asm/mach-types.h>
68
69 #include <mach/regs-irq.h>
70 #include <mach/regs-gpio.h>
71 #include <mach/regs-gpioj.h>
72 #include <mach/fb.h>
73 #include <mach/mci.h>
74 #include <mach/ts.h>
75 #include <mach/spi.h>
76 #include <mach/spi-gpio.h>
77 #include <mach/regs-mem.h>
78 #include <mach/spi-gpio.h>
79 #include <plat/pwm.h>
80 #include <mach/cpu.h>
81
82 #include <mach/gta02.h>
83
84 #include <plat/regs-serial.h>
85 #include <plat/nand.h>
86 #include <plat/devs.h>
87 #include <plat/cpu.h>
88 #include <plat/pm.h>
89 #include <plat/udc.h>
90 #include <plat/iic.h>
91 #include <plat/usb-control.h>
92 #include <plat/regs-timer.h>
93
94 #include <mach/gta02-pm-gsm.h>
95 #include <mach/gta02-pm-gps.h>
96 #include <mach/gta02-pm-wlan.h>
97
98 #include <linux/jbt6k74.h>
99 #include <linux/glamofb.h>
100
101 #include <linux/hdq.h>
102 #include <linux/bq27000_battery.h>
103
104 #include <linux/touchscreen/ts_filter_chain.h>
105 #ifdef CONFIG_TOUCHSCREEN_FILTER
106 #include <linux/touchscreen/ts_filter_linear.h>
107 #include <linux/touchscreen/ts_filter_mean.h>
108 #include <linux/touchscreen/ts_filter_median.h>
109 #include <linux/touchscreen/ts_filter_group.h>
110 #endif
111
112 #include <asm/fiq.h>
113
114 #include <linux/gta02-vibrator.h>
115 #include <linux/gta02-shadow.h>
116
117 /* arbitrates which sensor IRQ owns the shared SPI bus */
118 static spinlock_t motion_irq_lock;
119
120
121 /* -------------------------------------------------------------------------------
122 * GTA02 FIQ related
123 *
124 * Calls into vibrator and hdq and based on the return values
125 * determines if we the FIQ source be kept alive
126 */
127
128 #define DIVISOR_FROM_US(x) ((x) << 3)
129
130 #ifdef CONFIG_HDQ_GPIO_BITBANG
131 #define FIQ_DIVISOR_HDQ DIVISOR_FROM_US(HDQ_SAMPLE_PERIOD_US)
132 extern int hdq_fiq_handler(void);
133 #endif
134
135 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
136 #define FIQ_DIVISOR_VIBRATOR DIVISOR_FROM_US(100)
137 extern int gta02_vibrator_fiq_handler(void);
138 #endif
139
140 #if defined(CONFIG_LEDS_GTA02_VIBRATOR) || defined(CONFIG_HDQ_GPIO_BITBANG)
141
142 /* Global data related to our fiq source */
143 static u32 gta02_fiq_ack_mask;
144 static struct s3c2410_pwm gta02_fiq_pwm_timer;
145 static u16 gta02_fiq_timer_index;
146 static int gta02_fiq_irq;
147
148 static void gta02_fiq_handler(void)
149 {
150 u16 divisor = 0xffff;
151
152 /* Vibrator servicing */
153
154 /* disable further timer interrupts if nobody has any work
155 * or adjust rate according to who still has work
156 *
157 * CAUTION: it means forground code must disable FIQ around
158 * its own non-atomic S3C2410_INTMSK changes... not common
159 * thankfully and taken care of by the fiq-basis patch
160 */
161
162 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
163 if (gta02_vibrator_fiq_handler())
164 divisor = FIQ_DIVISOR_VIBRATOR;
165 #endif
166
167 #ifdef CONFIG_HDQ_GPIO_BITBANG
168 if (hdq_fiq_handler())
169 divisor = FIQ_DIVISOR_HDQ;
170 #endif
171
172 if (divisor == 0xffff) /* mask the fiq irq source */
173 __raw_writel(__raw_readl(S3C2410_INTMSK) | gta02_fiq_ack_mask,
174 S3C2410_INTMSK);
175 else /* still working, maybe at a different rate */
176 __raw_writel(divisor, S3C2410_TCNTB(gta02_fiq_timer_index));
177
178 __raw_writel(gta02_fiq_ack_mask, S3C2410_SRCPND);
179 }
180
181 static void gta02_fiq_kick(void)
182 {
183 unsigned long flags;
184 u32 tcon;
185
186 /* we have to take care about FIQ because this modification is
187 * non-atomic, FIQ could come in after the read and before the
188 * writeback and its changes to the register would be lost
189 * (platform INTMSK mod code is taken care of already)
190 */
191 local_save_flags(flags);
192 local_fiq_disable();
193 /* allow FIQs to resume */
194 __raw_writel(__raw_readl(S3C2410_INTMSK) &
195 ~(1 << (gta02_fiq_irq - S3C2410_CPUIRQ_OFFSET)),
196 S3C2410_INTMSK);
197 tcon = __raw_readl(S3C2410_TCON) & ~S3C2410_TCON_T3START;
198 /* fake the timer to a count of 1 */
199 __raw_writel(1, S3C2410_TCNTB(gta02_fiq_timer_index));
200 __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD, S3C2410_TCON);
201 __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD | S3C2410_TCON_T3START,
202 S3C2410_TCON);
203 __raw_writel(tcon | S3C2410_TCON_T3START, S3C2410_TCON);
204 local_irq_restore(flags);
205 }
206
207 static int gta02_fiq_enable(void)
208 {
209 int irq_index_fiq = IRQ_TIMER3;
210 int rc = 0;
211
212 local_fiq_disable();
213
214 gta02_fiq_irq = irq_index_fiq;
215 gta02_fiq_ack_mask = 1 << (irq_index_fiq - S3C2410_CPUIRQ_OFFSET);
216 gta02_fiq_timer_index = (irq_index_fiq - IRQ_TIMER0);
217
218 /* set up the timer to operate as a pwm device */
219
220 rc = s3c2410_pwm_init(&gta02_fiq_pwm_timer);
221 if (rc)
222 goto bail;
223
224 gta02_fiq_pwm_timer.timerid = PWM0 + gta02_fiq_timer_index;
225 gta02_fiq_pwm_timer.prescaler = (6 - 1) / 2;
226 gta02_fiq_pwm_timer.divider = S3C2410_TCFG1_MUX3_DIV2;
227 /* default rate == ~32us */
228 gta02_fiq_pwm_timer.counter = gta02_fiq_pwm_timer.comparer = 3000;
229
230 rc = s3c2410_pwm_enable(&gta02_fiq_pwm_timer);
231 if (rc)
232 goto bail;
233
234 s3c2410_pwm_start(&gta02_fiq_pwm_timer);
235
236 /* let our selected interrupt be a magic FIQ interrupt */
237 __raw_writel(gta02_fiq_ack_mask, S3C2410_INTMOD);
238
239 /* it's ready to go as soon as we unmask the source in S3C2410_INTMSK */
240 local_fiq_enable();
241
242 set_fiq_c_handler(gta02_fiq_handler);
243
244 return 0;
245
246 bail:
247 printk(KERN_ERR "Could not initialize FIQ for GTA02: %d\n", rc);
248
249 return rc;
250 }
251
252 static void gta02_fiq_disable(void)
253 {
254 __raw_writel(0, S3C2410_INTMOD);
255 local_fiq_disable();
256 gta02_fiq_irq = 0; /* no active source interrupt now either */
257
258 }
259 /* -------------------- /GTA02 FIQ Handler ------------------------------------- */
260
261 #endif
262
263 /*
264 * this gets called every 1ms when we paniced.
265 */
266
267 static long gta02_panic_blink(long count)
268 {
269 long delay = 0;
270 static long last_blink;
271 static char led;
272
273 if (count - last_blink < 100) /* 200ms period, fast blink */
274 return 0;
275
276 led ^= 1;
277 s3c2410_gpio_cfgpin(GTA02_GPIO_AUX_LED, S3C2410_GPIO_OUTPUT);
278 gta02_gpb_setpin(GTA02_GPIO_AUX_LED, led);
279
280 last_blink = count;
281 return delay;
282 }
283
284
285 /**
286 * returns PCB revision information in b9,b8 and b2,b1,b0
287 * Pre-GTA02 A6 returns 0x000
288 * GTA02 A6 returns 0x101
289 * ...
290 */
291
292 int gta02_get_pcb_revision(void)
293 {
294 int n;
295 int u = 0;
296 static unsigned long pinlist[] = {
297 GTA02_PCB_ID1_0,
298 GTA02_PCB_ID1_1,
299 GTA02_PCB_ID1_2,
300 GTA02_PCB_ID2_0,
301 GTA02_PCB_ID2_1,
302 };
303 static int pin_offset[] = {
304 0, 1, 2, 8, 9
305 };
306
307 for (n = 0 ; n < ARRAY_SIZE(pinlist); n++) {
308 /*
309 * set the PCB version GPIO to be pulled-down input
310 * force low briefly first
311 */
312 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
313 s3c2410_gpio_setpin(pinlist[n], 0);
314 /* misnomer: it is a pullDOWN in 2442 */
315 s3c2410_gpio_pullup(pinlist[n], 1);
316 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_INPUT);
317
318 udelay(10);
319
320 if (s3c2410_gpio_getpin(pinlist[n]))
321 u |= 1 << pin_offset[n];
322
323 /*
324 * when not being interrogated, all of the revision GPIO
325 * are set to output HIGH without pulldown so no current flows
326 * if they are NC or pulled up.
327 */
328 s3c2410_gpio_setpin(pinlist[n], 1);
329 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
330 /* misnomer: it is a pullDOWN in 2442 */
331 s3c2410_gpio_pullup(pinlist[n], 0);
332 }
333
334 return u;
335 }
336
337 struct platform_device gta02_resume_reason_device = {
338 .name = "gta02-resume",
339 .num_resources = 0,
340 };
341
342 static struct map_desc gta02_iodesc[] __initdata = {
343 {
344 .virtual = 0xe0000000,
345 .pfn = __phys_to_pfn(S3C2410_CS3+0x01000000),
346 .length = SZ_1M,
347 .type = MT_DEVICE
348 },
349 };
350
351 #define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN)
352 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
353 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
354
355 static struct s3c2410_uartcfg gta02_uartcfgs[] = {
356 [0] = {
357 .hwport = 0,
358 .flags = 0,
359 .ucon = UCON,
360 .ulcon = ULCON,
361 .ufcon = UFCON,
362 },
363 [1] = {
364 .hwport = 1,
365 .flags = 0,
366 .ucon = UCON,
367 .ulcon = ULCON,
368 .ufcon = UFCON,
369 },
370 [2] = {
371 .hwport = 2,
372 .flags = 0,
373 .ucon = UCON,
374 .ulcon = ULCON,
375 .ufcon = UFCON,
376 },
377
378 };
379
380 struct pcf50633 *gta02_pcf;
381
382 #ifdef CONFIG_CHARGER_PCF50633
383 #ifdef CONFIG_HDQ_GPIO_BITBANG
384 static int gta02_get_charger_online_status(void)
385 {
386 struct pcf50633 *pcf = gta02_pcf;
387
388 return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE;
389 }
390
391 static int gta02_get_charger_active_status(void)
392 {
393 struct pcf50633 *pcf = gta02_pcf;
394
395 return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ACTIVE;
396 }
397 #endif
398
399 #define ADC_NOM_CHG_DETECT_1A 6
400 #define ADC_NOM_CHG_DETECT_USB 43
401
402 static void
403 gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res)
404 {
405 int ma;
406
407 /* Interpret charger type */
408 if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) {
409
410 /* Stop GPO driving out now that we have a IA charger */
411 pcf50633_gpio_set(pcf, PCF50633_GPO, 0);
412
413 ma = 1000;
414 } else
415 ma = 100;
416
417 pcf50633_mbc_usb_curlim_set(pcf, ma);
418 }
419
420 static struct delayed_work gta02_charger_work;
421 static int gta02_usb_vbus_draw;
422
423 static void gta02_charger_worker(struct work_struct *work)
424 {
425 struct pcf50633 *pcf = gta02_pcf;
426
427 if (gta02_usb_vbus_draw) {
428 pcf50633_mbc_usb_curlim_set(pcf, gta02_usb_vbus_draw);
429 return;
430 } else {
431 #ifdef CONFIG_PCF50633_ADC
432 pcf50633_adc_async_read(pcf,
433 PCF50633_ADCC1_MUX_ADCIN1,
434 PCF50633_ADCC1_AVERAGE_16,
435 gta02_configure_pmu_for_charger, NULL);
436 #else
437 /* If the PCF50633 ADC is disabled we fallback to a 100mA limit for safety. */
438 pcf50633_mbc_usb_curlim_set(pcf, 100);
439 #endif
440 return;
441 }
442 }
443
444 #define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000)
445 static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq)
446 {
447 if (irq == PCF50633_IRQ_USBINS) {
448 schedule_delayed_work(&gta02_charger_work,
449 GTA02_CHARGER_CONFIGURE_TIMEOUT);
450 return;
451 } else if (irq == PCF50633_IRQ_USBREM) {
452 cancel_delayed_work_sync(&gta02_charger_work);
453 gta02_usb_vbus_draw = 0;
454 }
455 }
456
457 static void gta02_pmu_force_shutdown(struct pcf50633 *pcf)
458 {
459 pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_OOCSHDWN,
460 PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
461 }
462
463
464 static void gta02_udc_vbus_draw(unsigned int ma)
465 {
466 if (!gta02_pcf)
467 return;
468
469 gta02_usb_vbus_draw = ma;
470
471 schedule_delayed_work(&gta02_charger_work,
472 GTA02_CHARGER_CONFIGURE_TIMEOUT);
473 }
474
475 static int gta02_udc_vbus_status(void)
476 {
477 struct pcf50633 *pcf = gta02_pcf;
478 if (!gta02_pcf)
479 return -ENODEV;
480
481 return !!(pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE);
482 }
483
484 #else /* !CONFIG_CHARGER_PCF50633 */
485 #ifdef CONFIG_HDQ_GPIO_BITBANG
486 #define gta02_get_charger_online_status NULL
487 #define gta02_get_charger_active_status NULL
488 #endif
489 #define gta02_pmu_event_callback NULL
490 #define gta02_udc_vbus_draw NULL
491 #define gta02_udc_vbus_status NULL
492 #endif
493
494
495 static struct platform_device gta02_pm_gps_dev = {
496 .name = "gta02-pm-gps",
497 };
498
499 static struct platform_device gta02_pm_bt_dev = {
500 .name = "gta02-pm-bt",
501 };
502
503 static struct platform_device gta02_pm_gsm_dev = {
504 .name = "gta02-pm-gsm",
505 };
506
507 static struct platform_device gta02_pm_wlan_dev = {
508 .name = "gta02-pm-wlan",
509 };
510
511 /* this is called when pc50633 is probed, unfortunately quite late in the
512 * day since it is an I2C bus device. Here we can belatedly define some
513 * platform devices with the advantage that we can mark the pcf50633 as the
514 * parent. This makes them get suspended and resumed with their parent
515 * the pcf50633 still around.
516 */
517
518 static struct platform_device gta02_glamo_dev;
519 static void mangle_glamo_res_by_system_rev(void);
520
521 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf);
522 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id);
523
524 static struct regulator_consumer_supply ldo4_consumers[] = {
525 {
526 .dev = &gta02_pm_bt_dev.dev,
527 .supply = "BT_3V2",
528 },
529 };
530
531 static struct regulator_consumer_supply ldo5_consumers[] = {
532 {
533 .dev = &gta02_pm_gps_dev.dev,
534 .supply = "RF_3V",
535 },
536 };
537
538 static struct regulator_consumer_supply hcldo_consumers[] = {
539 {
540 .dev = &gta02_glamo_dev.dev,
541 .supply = "SD_3V3",
542 },
543 };
544
545 static char *gta02_batteries[] = {
546 "battery",
547 };
548
549 #ifdef CONFIG_CHARGER_PCF50633
550
551 struct pcf50633_platform_data gta02_pcf_pdata = {
552 .resumers = {
553 [0] = PCF50633_INT1_USBINS |
554 PCF50633_INT1_USBREM |
555 PCF50633_INT1_ALARM,
556 [1] = PCF50633_INT2_ONKEYF,
557 [2] = PCF50633_INT3_ONKEY1S,
558 [3] = PCF50633_INT4_LOWSYS |
559 PCF50633_INT4_LOWBAT |
560 PCF50633_INT4_HIGHTMP,
561 },
562
563 .batteries = gta02_batteries,
564 .num_batteries = ARRAY_SIZE(gta02_batteries),
565 .charging_restart_interval = (900 * HZ),
566 .chg_ref_current_ma = 1000,
567
568 .reg_init_data = {
569 [PCF50633_REGULATOR_AUTO] = {
570 .constraints = {
571 .name = "IO_3V3",
572 .min_uV = 3300000,
573 .max_uV = 3300000,
574 .valid_modes_mask = REGULATOR_MODE_NORMAL,
575 .boot_on = 1,
576 .always_on = 1,
577 .apply_uV = 1,
578 .state_mem = {
579 .enabled = 1,
580 },
581 },
582 .num_consumer_supplies = 0,
583 },
584 [PCF50633_REGULATOR_DOWN1] = {
585 .constraints = {
586 .name = "CORE_1V3",
587 .min_uV = 1300000,
588 .max_uV = 1600000,
589 .valid_modes_mask = REGULATOR_MODE_NORMAL,
590 .boot_on = 1,
591 .always_on = 1,
592 .apply_uV = 1,
593 },
594 .num_consumer_supplies = 0,
595 },
596 [PCF50633_REGULATOR_DOWN2] = {
597 .constraints = {
598 .name = "IO_1V8",
599 .min_uV = 1800000,
600 .max_uV = 1800000,
601 .valid_modes_mask = REGULATOR_MODE_NORMAL,
602 .apply_uV = 1,
603 .boot_on = 1,
604 .always_on = 1,
605 .state_mem = {
606 .enabled = 1,
607 },
608 },
609 .num_consumer_supplies = 0,
610 },
611 [PCF50633_REGULATOR_HCLDO] = {
612 .constraints = {
613 .name = "SD_3V3",
614 .min_uV = 2000000,
615 .max_uV = 3300000,
616 .valid_modes_mask = REGULATOR_MODE_NORMAL,
617 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
618 .boot_on = 1,
619 },
620 .num_consumer_supplies = 1,
621 .consumer_supplies = hcldo_consumers,
622 },
623 [PCF50633_REGULATOR_LDO1] = {
624 .constraints = {
625 .name = "GSENSOR_3V3",
626 .min_uV = 1300000,
627 .max_uV = 1300000,
628 .valid_modes_mask = REGULATOR_MODE_NORMAL,
629 .apply_uV = 1,
630 },
631 .num_consumer_supplies = 0,
632 },
633 [PCF50633_REGULATOR_LDO2] = {
634 .constraints = {
635 .name = "CODEC_3V3",
636 .min_uV = 3300000,
637 .max_uV = 3300000,
638 .valid_modes_mask = REGULATOR_MODE_NORMAL,
639 .apply_uV = 1,
640 },
641 .num_consumer_supplies = 0,
642 },
643 [PCF50633_REGULATOR_LDO3] = {
644 .constraints = {
645 .min_uV = 3000000,
646 .max_uV = 3000000,
647 .valid_modes_mask = REGULATOR_MODE_NORMAL,
648 .apply_uV = 1,
649 },
650 .num_consumer_supplies = 0,
651 },
652 [PCF50633_REGULATOR_LDO4] = {
653 .constraints = {
654 .name = "BT_3V2",
655 .min_uV = 3200000,
656 .max_uV = 3200000,
657 .valid_modes_mask = REGULATOR_MODE_NORMAL,
658 .apply_uV = 1,
659 },
660 .num_consumer_supplies = 1,
661 .consumer_supplies = ldo4_consumers,
662 },
663 [PCF50633_REGULATOR_LDO5] = {
664 .constraints = {
665 .name = "RF_3V",
666 .min_uV = 1500000,
667 .max_uV = 1500000,
668 .valid_modes_mask = REGULATOR_MODE_NORMAL,
669 .apply_uV = 1,
670 .state_mem = {
671 .enabled = 1,
672 },
673 },
674 .num_consumer_supplies = 1,
675 .consumer_supplies = ldo5_consumers,
676 },
677 [PCF50633_REGULATOR_LDO6] = {
678 .constraints = {
679 .name = "LCM_3V",
680 .min_uV = 0,
681 .max_uV = 3300000,
682 .always_on = 1,
683 .valid_modes_mask = REGULATOR_MODE_NORMAL,
684 },
685 .num_consumer_supplies = 0,
686 },
687 [PCF50633_REGULATOR_MEMLDO] = {
688 .constraints = {
689 .min_uV = 1800000,
690 .max_uV = 1800000,
691 .valid_modes_mask = REGULATOR_MODE_NORMAL,
692 .state_mem = {
693 .enabled = 1,
694 },
695 },
696 .num_consumer_supplies = 0,
697 },
698
699 },
700 .probe_done = gta02_pmu_attach_child_devices,
701 .regulator_registered = gta02_pmu_regulator_registered,
702 .mbc_event_callback = gta02_pmu_event_callback,
703 .force_shutdown = gta02_pmu_force_shutdown,
704 };
705
706 static void mangle_pmu_pdata_by_system_rev(void)
707 {
708 struct regulator_init_data *reg_init_data;
709
710 reg_init_data = gta02_pcf_pdata.reg_init_data;
711
712 switch (S3C_SYSTEM_REV_ATAG) {
713 case GTA02v1_SYSTEM_REV:
714 /* FIXME: this is only in v1 due to wrong PMU variant */
715 reg_init_data[PCF50633_REGULATOR_DOWN2]
716 .constraints.state_mem.enabled = 1;
717 break;
718 case GTA02v2_SYSTEM_REV:
719 case GTA02v3_SYSTEM_REV:
720 case GTA02v4_SYSTEM_REV:
721 case GTA02v5_SYSTEM_REV:
722 case GTA02v6_SYSTEM_REV:
723 reg_init_data[PCF50633_REGULATOR_LDO1]
724 .constraints.min_uV = 3300000;
725 reg_init_data[PCF50633_REGULATOR_LDO1]
726 .constraints.min_uV = 3300000;
727 reg_init_data[PCF50633_REGULATOR_LDO1]
728 .constraints.state_mem.enabled = 0;
729
730 reg_init_data[PCF50633_REGULATOR_LDO5]
731 .constraints.min_uV = 3000000;
732 reg_init_data[PCF50633_REGULATOR_LDO5]
733 .constraints.max_uV = 3000000;
734
735 reg_init_data[PCF50633_REGULATOR_LDO6]
736 .constraints.min_uV = 3000000;
737 reg_init_data[PCF50633_REGULATOR_LDO6]
738 .constraints.max_uV = 3000000;
739 reg_init_data[PCF50633_REGULATOR_LDO6]
740 .constraints.apply_uV = 1;
741 break;
742 default:
743 break;
744 }
745 }
746
747 #endif
748
749 #ifdef CONFIG_HDQ_GPIO_BITBANG
750 /* BQ27000 Battery */
751
752 struct bq27000_platform_data bq27000_pdata = {
753 .name = "battery",
754 .rsense_mohms = 20,
755 .hdq_read = hdq_read,
756 .hdq_write = hdq_write,
757 .hdq_initialized = hdq_initialized,
758 .get_charger_online_status = gta02_get_charger_online_status,
759 .get_charger_active_status = gta02_get_charger_active_status
760 };
761
762 struct platform_device bq27000_battery_device = {
763 .name = "bq27000-battery",
764 .dev = {
765 .platform_data = &bq27000_pdata,
766 },
767 };
768
769 /* HDQ */
770
771 static void gta02_hdq_attach_child_devices(struct device *parent_device)
772 {
773 switch (S3C_SYSTEM_REV_ATAG) {
774 case GTA02v5_SYSTEM_REV:
775 case GTA02v6_SYSTEM_REV:
776 bq27000_battery_device.dev.parent = parent_device;
777 platform_device_register(&bq27000_battery_device);
778 break;
779 default:
780 break;
781 }
782 }
783
784 static void gta02_hdq_gpio_direction_out(void)
785 {
786 s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT);
787 }
788
789 static void gta02_hdq_gpio_direction_in(void)
790 {
791 s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_INPUT);
792 }
793
794 static void gta02_hdq_gpio_set_value(int val)
795 {
796
797 s3c2410_gpio_setpin(GTA02v5_GPIO_HDQ, val);
798 }
799
800 static int gta02_hdq_gpio_get_value(void)
801 {
802 return s3c2410_gpio_getpin(GTA02v5_GPIO_HDQ);
803 }
804
805 static struct resource gta02_hdq_resources[] = {
806 [0] = {
807 .start = GTA02v5_GPIO_HDQ,
808 .end = GTA02v5_GPIO_HDQ,
809 },
810 };
811
812 struct hdq_platform_data gta02_hdq_platform_data = {
813 .attach_child_devices = gta02_hdq_attach_child_devices,
814 .gpio_dir_out = gta02_hdq_gpio_direction_out,
815 .gpio_dir_in = gta02_hdq_gpio_direction_in,
816 .gpio_set = gta02_hdq_gpio_set_value,
817 .gpio_get = gta02_hdq_gpio_get_value,
818
819 .enable_fiq = gta02_fiq_enable,
820 .disable_fiq = gta02_fiq_disable,
821 .kick_fiq = gta02_fiq_kick,
822
823 };
824
825 struct platform_device gta02_hdq_device = {
826 .name = "hdq",
827 .num_resources = 1,
828 .resource = gta02_hdq_resources,
829 .dev = {
830 .platform_data = &gta02_hdq_platform_data,
831 },
832 };
833 #endif
834
835
836 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
837 /* vibrator (child of FIQ) */
838
839 static struct resource gta02_vibrator_resources[] = {
840 [0] = {
841 .start = GTA02_GPIO_VIBRATOR_ON,
842 .end = GTA02_GPIO_VIBRATOR_ON,
843 },
844 };
845 struct gta02_vib_platform_data gta02_vib_pdata = {
846 .enable_fiq = gta02_fiq_enable,
847 .disable_fiq = gta02_fiq_disable,
848 .kick_fiq = gta02_fiq_kick,
849 };
850
851 static struct platform_device gta02_vibrator_dev = {
852 .name = "gta02-vibrator",
853 .num_resources = ARRAY_SIZE(gta02_vibrator_resources),
854 .resource = gta02_vibrator_resources,
855 .dev = {
856 .platform_data = &gta02_vib_pdata,
857 },
858 };
859 #endif
860
861 /* NOR Flash */
862
863 #define GTA02_FLASH_BASE S3C2410_CS3 /* GCS3 */
864 #define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */
865
866 static struct physmap_flash_data gta02_nor_flash_data = {
867 .width = 2,
868 };
869
870 static struct resource gta02_nor_flash_resource = {
871 .start = GTA02_FLASH_BASE,
872 .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
873 .flags = IORESOURCE_MEM,
874 };
875
876 static struct platform_device gta02_nor_flash = {
877 .name = "physmap-flash",
878 .id = 0,
879 .dev = {
880 .platform_data = &gta02_nor_flash_data,
881 },
882 .resource = &gta02_nor_flash_resource,
883 .num_resources = 1,
884 };
885
886
887 struct platform_device s3c24xx_pwm_device = {
888 .name = "s3c24xx_pwm",
889 .num_resources = 0,
890 };
891
892 static struct i2c_board_info gta02_i2c_devs[] __initdata = {
893 {
894 I2C_BOARD_INFO("pcf50633", 0x73),
895 .irq = GTA02_IRQ_PCF50633,
896 .platform_data = &gta02_pcf_pdata,
897 },
898 {
899 I2C_BOARD_INFO("wm8753", 0x1a),
900 },
901 };
902
903 static struct s3c2410_nand_set gta02_nand_sets[] = {
904 [0] = {
905 .name = "neo1973-nand",
906 .nr_chips = 1,
907 .flags = S3C2410_NAND_BBT,
908 },
909 };
910
911 /* choose a set of timings derived from S3C@2442B MCP54
912 * data sheet (K5D2G13ACM-D075 MCP Memory)
913 */
914
915 static struct s3c2410_platform_nand gta02_nand_info = {
916 .tacls = 0,
917 .twrph0 = 25,
918 .twrph1 = 15,
919 .nr_sets = ARRAY_SIZE(gta02_nand_sets),
920 .sets = gta02_nand_sets,
921 .software_ecc = 1,
922 };
923
924
925 static void gta02_s3c_mmc_set_power(unsigned char power_mode,
926 unsigned short vdd)
927 {
928 static int is_on = -1;
929 int on;
930
931 on = power_mode == MMC_POWER_ON || power_mode == MMC_POWER_UP;
932 if (is_on != on)
933 gta02_wlan_reset(!on);
934 is_on = on;
935 }
936
937
938 static struct s3c24xx_mci_pdata gta02_s3c_mmc_cfg = {
939 .set_power = gta02_s3c_mmc_set_power,
940 };
941
942 static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
943 {
944 switch (cmd) {
945 case S3C2410_UDC_P_ENABLE:
946 printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__);
947 gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 1);
948 break;
949 case S3C2410_UDC_P_DISABLE:
950 printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__);
951 gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 0);
952 break;
953 case S3C2410_UDC_P_RESET:
954 printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__);
955 /* FIXME! */
956 break;
957 default:
958 break;
959 }
960 }
961
962 /* get PMU to set USB current limit accordingly */
963
964 static struct s3c2410_udc_mach_info gta02_udc_cfg = {
965 .vbus_draw = gta02_udc_vbus_draw,
966 .udc_command = gta02_udc_command,
967 /* .get_vbus_status = gta02_udc_vbus_status,*/
968 };
969
970
971 /* Touchscreen configuration. */
972
973 #ifdef CONFIG_TOUCHSCREEN_FILTER
974 const static struct ts_filter_group_configuration gta02_ts_group = {
975 .length = 12,
976 .close_enough = 10,
977 .threshold = 6, /* At least half of the points in a group. */
978 .attempts = 10,
979 };
980
981 const static struct ts_filter_median_configuration gta02_ts_median = {
982 .extent = 20,
983 .decimation_below = 3,
984 .decimation_threshold = 8 * 3,
985 .decimation_above = 4,
986 };
987
988 const static struct ts_filter_mean_configuration gta02_ts_mean = {
989 .length = 4,
990 };
991
992 const static struct ts_filter_linear_configuration gta02_ts_linear = {
993 .constants = {1, 0, 0, 0, 1, 0, 1}, /* Don't modify coords. */
994 .coord0 = 0,
995 .coord1 = 1,
996 };
997 #endif
998
999 const static struct ts_filter_chain_configuration gta02_filter_configuration[] =
1000 {
1001 #ifdef CONFIG_TOUCHSCREEN_FILTER
1002 {&ts_filter_group_api, &gta02_ts_group.config},
1003 {&ts_filter_median_api, &gta02_ts_median.config},
1004 {&ts_filter_mean_api, &gta02_ts_mean.config},
1005 {&ts_filter_linear_api, &gta02_ts_linear.config},
1006 #endif
1007 {NULL, NULL},
1008 };
1009
1010 const static struct s3c2410_ts_mach_info gta02_ts_cfg = {
1011 .delay = 10000,
1012 .presc = 0xff, /* slow as we can go */
1013 .filter_config = gta02_filter_configuration,
1014 };
1015
1016
1017
1018 static void gta02_bl_set_intensity(int intensity)
1019 {
1020 struct pcf50633 *pcf = gta02_pcf;
1021 int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1022 int ret;
1023
1024 intensity >>= 2;
1025
1026 /*
1027 * One code path that leads here is from a kernel panic. Trying to turn
1028 * the backlight on just gives us a nearly endless stream of complaints
1029 * and accomplishes nothing. We can't win. Just give up.
1030 *
1031 * In the unlikely event that there's another path leading here while
1032 * we're atomic, we print at least a warning.
1033 */
1034 if (in_atomic()) {
1035 printk(KERN_ERR
1036 "gta02_bl_set_intensity called while atomic\n");
1037 return;
1038 }
1039
1040 if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
1041 old_intensity = 0;
1042 else
1043 old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1044
1045 if (intensity == old_intensity)
1046 return;
1047
1048 /* We can't do this anywhere else */
1049 pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
1050
1051 /*
1052 * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
1053 * if seen, you have to re-enable the LED unit
1054 */
1055 if (!intensity || !old_intensity)
1056 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
1057
1058 if (!intensity) /* illegal to set LEDOUT to 0 */
1059 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1060 2);
1061 else
1062 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1063 intensity);
1064
1065 if (intensity)
1066 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
1067
1068 }
1069
1070 static struct generic_bl_info gta02_bl_info = {
1071 .name = "gta02-bl",
1072 .max_intensity = 0xff,
1073 .default_intensity = 0xff,
1074 .set_bl_intensity = gta02_bl_set_intensity,
1075 };
1076
1077 static struct platform_device gta02_bl_dev = {
1078 .name = "generic-bl",
1079 .id = 1,
1080 .dev = {
1081 .platform_data = &gta02_bl_info,
1082 },
1083 };
1084
1085 /* SPI: LCM control interface attached to Glamo3362 */
1086
1087 static void gta02_jbt6k74_reset(int devidx, int level)
1088 {
1089 glamo_lcm_reset(&gta02_glamo_dev, level);
1090 }
1091
1092 static void gta02_jbt6k74_probe_completed(struct device *dev)
1093 {
1094 struct pcf50633 *pcf = gta02_pcf;
1095
1096 /* Switch on backlight. Qi does not do it for us */
1097 pcf50633_reg_write(pcf, PCF50633_REG_LEDOUT, 0x01);
1098 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x00);
1099 pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 0x01);
1100 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
1101
1102 gta02_bl_dev.dev.parent = dev;
1103 platform_device_register(&gta02_bl_dev);
1104 }
1105
1106 const struct jbt6k74_platform_data jbt6k74_pdata = {
1107 .reset = gta02_jbt6k74_reset,
1108 .probe_completed = gta02_jbt6k74_probe_completed,
1109 };
1110
1111 static struct glamo_spigpio_info glamo_spigpio_cfg = {
1112 .pin_clk = GLAMO_GPIO10_OUTPUT,
1113 .pin_mosi = GLAMO_GPIO11_OUTPUT,
1114 .pin_cs = GLAMO_GPIO12_OUTPUT,
1115 .pin_miso = 0,
1116 .bus_num = 2,
1117 };
1118
1119 /*----------- SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1120
1121 void gta02_lis302dl_suspend_io(struct lis302dl_info *lis, int resume)
1122 {
1123 struct lis302dl_platform_data *pdata = lis->pdata;
1124
1125 if (!resume) {
1126 /*
1127 * we don't want to power them with a high level
1128 * because GSENSOR_3V3 is not up during suspend
1129 */
1130 s3c2410_gpio_setpin(pdata->pin_chip_select, 0);
1131 s3c2410_gpio_setpin(pdata->pin_clk, 0);
1132 s3c2410_gpio_setpin(pdata->pin_mosi, 0);
1133 /* misnomer: it is a pullDOWN in 2442 */
1134 s3c2410_gpio_pullup(pdata->pin_miso, 1);
1135 return;
1136 }
1137
1138 /* back to normal */
1139 s3c2410_gpio_setpin(pdata->pin_chip_select, 1);
1140 s3c2410_gpio_setpin(pdata->pin_clk, 1);
1141 /* misnomer: it is a pullDOWN in 2442 */
1142 s3c2410_gpio_pullup(pdata->pin_miso, 0);
1143
1144 s3c2410_gpio_cfgpin(pdata->pin_chip_select, S3C2410_GPIO_OUTPUT);
1145 s3c2410_gpio_cfgpin(pdata->pin_clk, S3C2410_GPIO_OUTPUT);
1146 s3c2410_gpio_cfgpin(pdata->pin_mosi, S3C2410_GPIO_OUTPUT);
1147 s3c2410_gpio_cfgpin(pdata->pin_miso, S3C2410_GPIO_INPUT);
1148
1149 }
1150
1151 struct lis302dl_platform_data lis302_pdata_top = {
1152 .name = "lis302-1 (top)",
1153 .pin_chip_select= S3C2410_GPD12,
1154 .pin_clk = S3C2410_GPG7,
1155 .pin_mosi = S3C2410_GPG6,
1156 .pin_miso = S3C2410_GPG5,
1157 .interrupt = GTA02_IRQ_GSENSOR_1,
1158 .open_drain = 1, /* altered at runtime by PCB rev */
1159 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1160 };
1161
1162 struct lis302dl_platform_data lis302_pdata_bottom = {
1163 .name = "lis302-2 (bottom)",
1164 .pin_chip_select= S3C2410_GPD13,
1165 .pin_clk = S3C2410_GPG7,
1166 .pin_mosi = S3C2410_GPG6,
1167 .pin_miso = S3C2410_GPG5,
1168 .interrupt = GTA02_IRQ_GSENSOR_2,
1169 .open_drain = 1, /* altered at runtime by PCB rev */
1170 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1171 };
1172
1173 static struct spi_board_info gta02_spi_board_info[] = {
1174 {
1175 .modalias = "jbt6k74",
1176 /* platform_data */
1177 .platform_data = &jbt6k74_pdata,
1178 /* controller_data */
1179 /* irq */
1180 .max_speed_hz = 100 * 1000,
1181 .bus_num = 2,
1182 /* chip_select */
1183 },
1184 {
1185 .modalias = "lis302dl",
1186 /* platform_data */
1187 .platform_data = &lis302_pdata_top,
1188 /* controller_data */
1189 /* irq */
1190 .max_speed_hz = 100 * 1000,
1191 .bus_num = 3,
1192 .chip_select = 0,
1193 },
1194
1195 {
1196 .modalias = "lis302dl",
1197 /* platform_data */
1198 .platform_data = &lis302_pdata_bottom,
1199 /* controller_data */
1200 /* irq */
1201 .max_speed_hz = 100 * 1000,
1202 .bus_num = 3,
1203 .chip_select = 1,
1204 },
1205
1206 };
1207
1208 static void gta02_lis302_chip_select(struct s3c2410_spigpio_info *info, int csid, int cs)
1209 {
1210
1211 /*
1212 * Huh... "quirk"... CS on this device is not really "CS" like you can
1213 * expect.
1214 *
1215 * When it is 0 it selects SPI interface mode.
1216 * When it is 1 it selects I2C interface mode.
1217 *
1218 * Because we have 2 devices on one interface we have to make sure
1219 * that the "disabled" device (actually in I2C mode) don't think we're
1220 * talking to it.
1221 *
1222 * When we talk to the "enabled" device, the "disabled" device sees
1223 * the clocks as I2C clocks, creating havoc.
1224 *
1225 * I2C sees MOSI going LOW while CLK HIGH as a START action, thus we
1226 * must ensure this is never issued.
1227 */
1228
1229 int cs_gpio, other_cs_gpio;
1230
1231 cs_gpio = csid ? S3C2410_GPD13 : S3C2410_GPD12;
1232 other_cs_gpio = (1 - csid) ? S3C2410_GPD13 : S3C2410_GPD12;
1233
1234
1235 if (cs == BITBANG_CS_ACTIVE) {
1236 s3c2410_gpio_setpin(other_cs_gpio, 1);
1237 s3c2410_gpio_setpin(cs_gpio, 1);
1238 s3c2410_gpio_setpin(info->pin_clk, 1);
1239 s3c2410_gpio_setpin(cs_gpio, 0);
1240 } else {
1241 s3c2410_gpio_setpin(cs_gpio, 1);
1242 s3c2410_gpio_setpin(other_cs_gpio, 1);
1243 }
1244 }
1245
1246 static struct s3c2410_spigpio_info gta02_spigpio_cfg = {
1247 .pin_clk = S3C2410_GPG7,
1248 .pin_mosi = S3C2410_GPG6,
1249 .pin_miso = S3C2410_GPG5,
1250 .bus_num = 3,
1251 .num_chipselect = 2,
1252 .chip_select = gta02_lis302_chip_select,
1253 .non_blocking_transfer = 1,
1254 };
1255
1256 static struct platform_device gta02_spi_gpio_dev = {
1257 .name = "spi_s3c24xx_gpio",
1258 .dev = {
1259 .platform_data = &gta02_spigpio_cfg,
1260 },
1261 };
1262
1263 /*----------- / SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1264
1265 static struct resource gta02_led_resources[] = {
1266 {
1267 .name = "gta02-power:orange",
1268 .start = GTA02_GPIO_PWR_LED1,
1269 .end = GTA02_GPIO_PWR_LED1,
1270 }, {
1271 .name = "gta02-power:blue",
1272 .start = GTA02_GPIO_PWR_LED2,
1273 .end = GTA02_GPIO_PWR_LED2,
1274 }, {
1275 .name = "gta02-aux:red",
1276 .start = GTA02_GPIO_AUX_LED,
1277 .end = GTA02_GPIO_AUX_LED,
1278 },
1279 };
1280
1281 struct platform_device gta02_led_dev = {
1282 .name = "gta02-led",
1283 .num_resources = ARRAY_SIZE(gta02_led_resources),
1284 .resource = gta02_led_resources,
1285 };
1286
1287 static struct resource gta02_button_resources[] = {
1288 [0] = {
1289 .start = GTA02_GPIO_AUX_KEY,
1290 .end = GTA02_GPIO_AUX_KEY,
1291 },
1292 [1] = {
1293 .start = GTA02_GPIO_HOLD_KEY,
1294 .end = GTA02_GPIO_HOLD_KEY,
1295 },
1296 [2] = {
1297 .start = GTA02_GPIO_JACK_INSERT,
1298 .end = GTA02_GPIO_JACK_INSERT,
1299 },
1300 [3] = {
1301 .start = 0,
1302 .end = 0,
1303 },
1304 [4] = {
1305 .start = 0,
1306 .end = 0,
1307 },
1308 };
1309
1310 static struct platform_device gta02_button_dev = {
1311 .name = "gta02-button",
1312 .num_resources = ARRAY_SIZE(gta02_button_resources),
1313 .resource = gta02_button_resources,
1314 };
1315
1316 static struct platform_device gta02_pm_usbhost_dev = {
1317 .name = "gta02-pm-host",
1318 };
1319
1320
1321 /* USB */
1322 static struct s3c2410_hcd_info gta02_usb_info = {
1323 .port[0] = {
1324 .flags = S3C_HCDFLG_USED,
1325 },
1326 .port[1] = {
1327 .flags = 0,
1328 },
1329 };
1330
1331 static int glamo_irq_is_wired(void)
1332 {
1333 int rc;
1334 int count = 0;
1335
1336 /*
1337 * GTA02 S-Media IRQs prior to A5 are broken due to a lack of
1338 * a pullup on the INT# line. Check for the bad behaviour.
1339 */
1340 s3c2410_gpio_setpin(S3C2410_GPG4, 0);
1341 s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_OUTP);
1342 s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_INP);
1343 /*
1344 * we force it low ourselves for a moment and resume being input.
1345 * If there is a pullup, it won't stay low for long. But if the
1346 * level converter is there as on < A5 revision, the weak keeper
1347 * on the input of the LC will hold the line low indefinitiely
1348 */
1349 do
1350 rc = s3c2410_gpio_getpin(S3C2410_GPG4);
1351 while ((!rc) && ((count++) < 10));
1352 if (rc) { /* it got pulled back up, it's good */
1353 printk(KERN_INFO "Detected S-Media IRQ# pullup, "
1354 "enabling interrupt\n");
1355 return 0;
1356 } else /* Gah we can't work with this level converter */
1357 printk(KERN_WARNING "** Detected bad IRQ# circuit found"
1358 " on pre-A5 GTA02: S-Media interrupt disabled **\n");
1359 return -ENODEV;
1360 }
1361
1362 static int gta02_glamo_can_set_mmc_power(void)
1363 {
1364 switch (S3C_SYSTEM_REV_ATAG) {
1365 case GTA02v3_SYSTEM_REV:
1366 case GTA02v4_SYSTEM_REV:
1367 case GTA02v5_SYSTEM_REV:
1368 case GTA02v6_SYSTEM_REV:
1369 return 1;
1370 }
1371
1372 return 0;
1373 }
1374
1375 /* Smedia Glamo 3362 */
1376
1377 /*
1378 * we crank down SD Card clock dynamically when GPS is powered
1379 */
1380
1381 static int gta02_glamo_mci_use_slow(void)
1382 {
1383 return gta02_pm_gps_is_on();
1384 }
1385
1386 static void gta02_glamo_external_reset(int level)
1387 {
1388 s3c2410_gpio_setpin(GTA02_GPIO_3D_RESET, level);
1389 s3c2410_gpio_cfgpin(GTA02_GPIO_3D_RESET, S3C2410_GPIO_OUTPUT);
1390 }
1391
1392 static struct fb_videomode gta02_glamo_modes[] = {
1393 {
1394 .name = "480x640",
1395 .xres = 480,
1396 .yres = 640,
1397 .pixclock = 40816,
1398 .left_margin = 8,
1399 .right_margin = 16,
1400 .upper_margin = 2,
1401 .lower_margin = 16,
1402 .hsync_len = 8,
1403 .vsync_len = 2,
1404 .vmode = FB_VMODE_NONINTERLACED,
1405 }, {
1406 .name = "240x320",
1407 .xres = 240,
1408 .yres = 320,
1409 .pixclock = 40816,
1410 .left_margin = 8,
1411 .right_margin = 16,
1412 .upper_margin = 2,
1413 .lower_margin = 16,
1414 .hsync_len = 8,
1415 .vsync_len = 2,
1416 .vmode = FB_VMODE_NONINTERLACED,
1417 }
1418 };
1419
1420
1421 static struct glamofb_platform_data gta02_glamo_pdata = {
1422 .width = 43,
1423 .height = 58,
1424
1425 .num_modes = ARRAY_SIZE(gta02_glamo_modes),
1426 .modes = gta02_glamo_modes,
1427
1428 .spigpio_info = &glamo_spigpio_cfg,
1429
1430 /* glamo MMC function platform data */
1431 .glamo_can_set_mci_power = gta02_glamo_can_set_mmc_power,
1432 .glamo_mci_use_slow = gta02_glamo_mci_use_slow,
1433 .glamo_irq_is_wired = glamo_irq_is_wired,
1434 .glamo_external_reset = gta02_glamo_external_reset
1435 };
1436
1437 static struct resource gta02_glamo_resources[] = {
1438 [0] = {
1439 .start = S3C2410_CS1,
1440 .end = S3C2410_CS1 + 0x1000000 - 1,
1441 .flags = IORESOURCE_MEM,
1442 },
1443 [1] = {
1444 .start = GTA02_IRQ_3D,
1445 .end = GTA02_IRQ_3D,
1446 .flags = IORESOURCE_IRQ,
1447 },
1448 [2] = {
1449 .start = GTA02_GPIO_3D_RESET,
1450 .end = GTA02_GPIO_3D_RESET,
1451 },
1452 };
1453
1454 static struct platform_device gta02_glamo_dev = {
1455 .name = "glamo3362",
1456 .num_resources = ARRAY_SIZE(gta02_glamo_resources),
1457 .resource = gta02_glamo_resources,
1458 .dev = {
1459 .platform_data = &gta02_glamo_pdata,
1460 },
1461 };
1462
1463 static void mangle_glamo_res_by_system_rev(void)
1464 {
1465 switch (S3C_SYSTEM_REV_ATAG) {
1466 case GTA02v1_SYSTEM_REV:
1467 break;
1468 default:
1469 gta02_glamo_resources[2].start = GTA02_GPIO_3D_RESET;
1470 gta02_glamo_resources[2].end = GTA02_GPIO_3D_RESET;
1471 break;
1472 }
1473
1474 switch (S3C_SYSTEM_REV_ATAG) {
1475 case GTA02v1_SYSTEM_REV:
1476 case GTA02v2_SYSTEM_REV:
1477 case GTA02v3_SYSTEM_REV:
1478 /* case GTA02v4_SYSTEM_REV: - FIXME: handle this later */
1479 /* The hardware is missing a pull-up resistor and thus can't
1480 * support the Smedia Glamo IRQ */
1481 gta02_glamo_resources[1].start = 0;
1482 gta02_glamo_resources[1].end = 0;
1483 break;
1484 }
1485 }
1486
1487 static void __init gta02_map_io(void)
1488 {
1489 s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
1490 s3c24xx_init_clocks(12000000);
1491 s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
1492 }
1493
1494 static irqreturn_t gta02_modem_irq(int irq, void *param)
1495 {
1496 /* printk(KERN_DEBUG "modem wakeup interrupt\n");*/
1497 gta_gsm_interrupts++;
1498 return IRQ_HANDLED;
1499 }
1500
1501 static irqreturn_t ar6000_wow_irq(int irq, void *param)
1502 {
1503 /* printk(KERN_DEBUG "ar6000_wow interrupt\n");*/
1504 return IRQ_HANDLED;
1505 }
1506
1507 /*
1508 * hardware_ecc=1|0
1509 */
1510 static char hardware_ecc_str[4] __initdata = "";
1511
1512 static int __init hardware_ecc_setup(char *str)
1513 {
1514 if (str)
1515 strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str));
1516 return 1;
1517 }
1518
1519 __setup("hardware_ecc=", hardware_ecc_setup);
1520
1521 /* these are the guys that don't need to be children of PMU */
1522
1523 static struct platform_device *gta02_devices[] __initdata = {
1524 &s3c_device_usb,
1525 &s3c_device_wdt,
1526 &s3c_device_sdi,
1527 &s3c_device_usbgadget,
1528 &s3c_device_nand,
1529 &gta02_nor_flash,
1530
1531 &s3c24xx_pwm_device,
1532 &gta02_led_dev,
1533 &gta02_pm_wlan_dev, /* not dependent on PMU */
1534
1535 &s3c_device_iis,
1536 &s3c_device_i2c0,
1537 };
1538
1539 /* these guys DO need to be children of PMU */
1540
1541 static struct platform_device *gta02_devices_pmu_children[] = {
1542 &s3c_device_ts, /* input 1 */
1543 &gta02_pm_gsm_dev,
1544 &gta02_pm_usbhost_dev,
1545 &gta02_spi_gpio_dev, /* input 2 and 3 */
1546 &gta02_button_dev, /* input 4 */
1547 &gta02_resume_reason_device,
1548 };
1549
1550 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id)
1551 {
1552 struct platform_device *regulator, *pdev;
1553
1554 gta02_pcf = pcf;
1555
1556 regulator = pcf->regulator_pdev[id];
1557
1558 switch(id) {
1559 case PCF50633_REGULATOR_LDO4:
1560 pdev = &gta02_pm_bt_dev;
1561 break;
1562 case PCF50633_REGULATOR_LDO5:
1563 pdev = &gta02_pm_gps_dev;
1564 break;
1565 case PCF50633_REGULATOR_HCLDO:
1566 pdev = &gta02_glamo_dev;
1567 break;
1568 default:
1569 return;
1570 }
1571
1572 pdev->dev.parent = &regulator->dev;
1573 platform_device_register(pdev);
1574 }
1575
1576 /* this is called when pc50633 is probed, unfortunately quite late in the
1577 * day since it is an I2C bus device. Here we can belatedly define some
1578 * platform devices with the advantage that we can mark the pcf50633 as the
1579 * parent. This makes them get suspended and resumed with their parent
1580 * the pcf50633 still around.
1581 */
1582
1583 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
1584 {
1585 int n;
1586
1587 for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
1588 gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
1589
1590 mangle_glamo_res_by_system_rev();
1591 platform_add_devices(gta02_devices_pmu_children,
1592 ARRAY_SIZE(gta02_devices_pmu_children));
1593
1594 regulator_has_full_constraints();
1595 }
1596
1597 static void gta02_poweroff(void)
1598 {
1599 pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN,
1600 PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
1601 }
1602
1603 static void __init gta02_machine_init(void)
1604 {
1605 int rc;
1606
1607 /* set the panic callback to make AUX blink fast */
1608 panic_blink = gta02_panic_blink;
1609
1610 switch (S3C_SYSTEM_REV_ATAG) {
1611 case GTA02v6_SYSTEM_REV:
1612 /* we need push-pull interrupt from motion sensors */
1613 lis302_pdata_top.open_drain = 0;
1614 lis302_pdata_bottom.open_drain = 0;
1615 break;
1616 default:
1617 break;
1618 }
1619
1620 spin_lock_init(&motion_irq_lock);
1621
1622 #ifdef CONFIG_CHARGER_PCF50633
1623 INIT_DELAYED_WORK(&gta02_charger_work, gta02_charger_worker);
1624 #endif
1625
1626 /* Glamo chip select optimization */
1627 /* *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */
1628
1629 /* do not force soft ecc if we are asked to use hardware_ecc */
1630 if (hardware_ecc_str[0] == '1')
1631 gta02_nand_info.software_ecc = 0;
1632
1633 s3c_device_usb.dev.platform_data = &gta02_usb_info;
1634 s3c_device_nand.dev.platform_data = &gta02_nand_info;
1635 s3c_device_sdi.dev.platform_data = &gta02_s3c_mmc_cfg;
1636
1637 /* acc sensor chip selects */
1638 s3c2410_gpio_setpin(S3C2410_GPD12, 1);
1639 s3c2410_gpio_cfgpin(S3C2410_GPD12, S3C2410_GPIO_OUTPUT);
1640 s3c2410_gpio_setpin(S3C2410_GPD13, 1);
1641 s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPIO_OUTPUT);
1642
1643 s3c24xx_udc_set_platdata(&gta02_udc_cfg);
1644 s3c_i2c0_set_platdata(NULL);
1645 set_s3c2410ts_info(&gta02_ts_cfg);
1646
1647 mangle_glamo_res_by_system_rev();
1648
1649 i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
1650 spi_register_board_info(gta02_spi_board_info,
1651 ARRAY_SIZE(gta02_spi_board_info));
1652
1653 #ifdef CONFIG_CHARGER_PCF50633
1654 mangle_pmu_pdata_by_system_rev();
1655 #endif
1656
1657 platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
1658
1659 s3c_pm_init();
1660
1661 /* Make sure the modem can wake us up */
1662 set_irq_type(GTA02_IRQ_MODEM, IRQ_TYPE_EDGE_RISING);
1663 rc = request_irq(GTA02_IRQ_MODEM, gta02_modem_irq, IRQF_DISABLED,
1664 "modem", NULL);
1665 if (rc < 0)
1666 printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n");
1667 enable_irq_wake(GTA02_IRQ_MODEM);
1668
1669 /* Make sure the wifi module can wake us up*/
1670 set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQ_TYPE_EDGE_RISING);
1671 rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED,
1672 "ar6000", NULL);
1673
1674 if (rc < 0)
1675 printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n");
1676 enable_irq_wake(GTA02_IRQ_WLAN_GPIO1);
1677
1678 pm_power_off = gta02_poweroff;
1679
1680 /* Register the HDQ and vibrator as children of pwm device */
1681 #ifdef CONFIG_HDQ_GPIO_BITBANG
1682 gta02_hdq_device.dev.parent = &s3c24xx_pwm_device.dev;
1683 platform_device_register(&gta02_hdq_device);
1684 #endif
1685 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
1686 gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev;
1687 platform_device_register(&gta02_vibrator_dev);
1688 #endif
1689 }
1690
1691 void DEBUG_LED(int n)
1692 {
1693 switch (n) {
1694 case 0:
1695 gta02_gpb_setpin(GTA02_GPIO_PWR_LED1, 1);
1696 break;
1697 case 1:
1698 gta02_gpb_setpin(GTA02_GPIO_PWR_LED2, 1);
1699 break;
1700 default:
1701 gta02_gpb_setpin(GTA02_GPIO_AUX_LED, 1);
1702 break;
1703 }
1704 }
1705 EXPORT_SYMBOL_GPL(DEBUG_LED);
1706
1707 MACHINE_START(NEO1973_GTA02, "GTA02")
1708 .phys_io = S3C2410_PA_UART,
1709 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
1710 .boot_params = S3C2410_SDRAM_PA + 0x100,
1711 .map_io = gta02_map_io,
1712 .init_irq = s3c24xx_init_irq,
1713 .init_machine = gta02_machine_init,
1714 .timer = &s3c24xx_timer,
1715 MACHINE_END
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