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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/spi_bitbang.h>
39 #include <linux/mmc/host.h>
40
41 #include <linux/mtd/mtd.h>
42 #include <linux/mtd/nand.h>
43 #include <linux/mtd/nand_ecc.h>
44 #include <linux/mtd/partitions.h>
45 #include <linux/mtd/physmap.h>
46
47 #include <linux/i2c.h>
48 #include <linux/backlight.h>
49 #include <linux/regulator/machine.h>
50
51 #include <linux/mfd/pcf50633/core.h>
52 #include <linux/mfd/pcf50633/mbc.h>
53 #include <linux/mfd/pcf50633/adc.h>
54 #include <linux/mfd/pcf50633/gpio.h>
55 #include <linux/mfd/pcf50633/pmic.h>
56
57 #include <linux/lis302dl.h>
58
59 #include <asm/mach/arch.h>
60 #include <asm/mach/map.h>
61 #include <asm/mach/irq.h>
62
63 #include <mach/hardware.h>
64 #include <mach/io.h>
65 #include <asm/irq.h>
66 #include <asm/mach-types.h>
67
68 #include <mach/regs-irq.h>
69 #include <mach/regs-gpio.h>
70 #include <mach/regs-gpioj.h>
71 #include <mach/fb.h>
72 #include <mach/mci.h>
73 #include <mach/ts.h>
74 #include <mach/spi.h>
75 #include <mach/spi-gpio.h>
76 #include <mach/regs-mem.h>
77 #include <mach/spi-gpio.h>
78 #include <plat/pwm.h>
79 #include <mach/cpu.h>
80
81 #include <mach/gta02.h>
82
83 #include <plat/regs-serial.h>
84 #include <plat/nand.h>
85 #include <plat/devs.h>
86 #include <plat/cpu.h>
87 #include <plat/pm.h>
88 #include <plat/udc.h>
89 #include <plat/iic.h>
90 #include <plat/usb-control.h>
91 #include <plat/regs-timer.h>
92
93 #include <mach/gta02-pm-gsm.h>
94 #include <mach/gta02-pm-gps.h>
95 #include <mach/gta02-pm-wlan.h>
96
97 #include <linux/jbt6k74.h>
98 #include <linux/glamofb.h>
99 #include <linux/mfd/glamo.h>
100 #include <linux/spi/glamo.h>
101
102 #include <linux/hdq.h>
103 #include <linux/bq27000_battery.h>
104
105 #include <linux/touchscreen/ts_filter_chain.h>
106 #ifdef CONFIG_TOUCHSCREEN_FILTER
107 #include <linux/touchscreen/ts_filter_linear.h>
108 #include <linux/touchscreen/ts_filter_mean.h>
109 #include <linux/touchscreen/ts_filter_median.h>
110 #include <linux/touchscreen/ts_filter_group.h>
111 #endif
112
113 #include <asm/fiq.h>
114
115 #include <linux/gta02-vibrator.h>
116 #include <linux/gta02-shadow.h>
117
118 /* arbitrates which sensor IRQ owns the shared SPI bus */
119 static spinlock_t motion_irq_lock;
120
121
122 /* -------------------------------------------------------------------------------
123 * GTA02 FIQ related
124 *
125 * Calls into vibrator and hdq and based on the return values
126 * determines if we the FIQ source be kept alive
127 */
128
129 #define DIVISOR_FROM_US(x) ((x) << 3)
130
131 #ifdef CONFIG_HDQ_GPIO_BITBANG
132 #define FIQ_DIVISOR_HDQ DIVISOR_FROM_US(HDQ_SAMPLE_PERIOD_US)
133 extern int hdq_fiq_handler(void);
134 #endif
135
136 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
137 #define FIQ_DIVISOR_VIBRATOR DIVISOR_FROM_US(100)
138 extern int gta02_vibrator_fiq_handler(void);
139 #endif
140
141 #if defined(CONFIG_LEDS_GTA02_VIBRATOR) || defined(CONFIG_HDQ_GPIO_BITBANG)
142
143 /* Global data related to our fiq source */
144 static u32 gta02_fiq_ack_mask;
145 static struct s3c2410_pwm gta02_fiq_pwm_timer;
146 static u16 gta02_fiq_timer_index;
147 static int gta02_fiq_irq;
148
149 static void gta02_fiq_handler(void)
150 {
151 u16 divisor = 0xffff;
152
153 /* Vibrator servicing */
154
155 /* disable further timer interrupts if nobody has any work
156 * or adjust rate according to who still has work
157 *
158 * CAUTION: it means forground code must disable FIQ around
159 * its own non-atomic S3C2410_INTMSK changes... not common
160 * thankfully and taken care of by the fiq-basis patch
161 */
162
163 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
164 if (gta02_vibrator_fiq_handler())
165 divisor = FIQ_DIVISOR_VIBRATOR;
166 #endif
167
168 #ifdef CONFIG_HDQ_GPIO_BITBANG
169 if (hdq_fiq_handler())
170 divisor = FIQ_DIVISOR_HDQ;
171 #endif
172
173 if (divisor == 0xffff) /* mask the fiq irq source */
174 __raw_writel(__raw_readl(S3C2410_INTMSK) | gta02_fiq_ack_mask,
175 S3C2410_INTMSK);
176 else /* still working, maybe at a different rate */
177 __raw_writel(divisor, S3C2410_TCNTB(gta02_fiq_timer_index));
178
179 __raw_writel(gta02_fiq_ack_mask, S3C2410_SRCPND);
180 }
181
182 static void gta02_fiq_kick(void)
183 {
184 unsigned long flags;
185 u32 tcon;
186
187 /* we have to take care about FIQ because this modification is
188 * non-atomic, FIQ could come in after the read and before the
189 * writeback and its changes to the register would be lost
190 * (platform INTMSK mod code is taken care of already)
191 */
192 local_save_flags(flags);
193 local_fiq_disable();
194 /* allow FIQs to resume */
195 __raw_writel(__raw_readl(S3C2410_INTMSK) &
196 ~(1 << (gta02_fiq_irq - S3C2410_CPUIRQ_OFFSET)),
197 S3C2410_INTMSK);
198 tcon = __raw_readl(S3C2410_TCON) & ~S3C2410_TCON_T3START;
199 /* fake the timer to a count of 1 */
200 __raw_writel(1, S3C2410_TCNTB(gta02_fiq_timer_index));
201 __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD, S3C2410_TCON);
202 __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD | S3C2410_TCON_T3START,
203 S3C2410_TCON);
204 __raw_writel(tcon | S3C2410_TCON_T3START, S3C2410_TCON);
205 local_irq_restore(flags);
206 }
207
208 static int gta02_fiq_enable(void)
209 {
210 int irq_index_fiq = IRQ_TIMER3;
211 int rc = 0;
212
213 local_fiq_disable();
214
215 gta02_fiq_irq = irq_index_fiq;
216 gta02_fiq_ack_mask = 1 << (irq_index_fiq - S3C2410_CPUIRQ_OFFSET);
217 gta02_fiq_timer_index = (irq_index_fiq - IRQ_TIMER0);
218
219 /* set up the timer to operate as a pwm device */
220
221 rc = s3c2410_pwm_init(&gta02_fiq_pwm_timer);
222 if (rc)
223 goto bail;
224
225 gta02_fiq_pwm_timer.timerid = PWM0 + gta02_fiq_timer_index;
226 gta02_fiq_pwm_timer.prescaler = (6 - 1) / 2;
227 gta02_fiq_pwm_timer.divider = S3C2410_TCFG1_MUX3_DIV2;
228 /* default rate == ~32us */
229 gta02_fiq_pwm_timer.counter = gta02_fiq_pwm_timer.comparer = 3000;
230
231 rc = s3c2410_pwm_enable(&gta02_fiq_pwm_timer);
232 if (rc)
233 goto bail;
234
235 s3c2410_pwm_start(&gta02_fiq_pwm_timer);
236
237 /* let our selected interrupt be a magic FIQ interrupt */
238 __raw_writel(gta02_fiq_ack_mask, S3C2410_INTMOD);
239
240 /* it's ready to go as soon as we unmask the source in S3C2410_INTMSK */
241 local_fiq_enable();
242
243 set_fiq_c_handler(gta02_fiq_handler);
244
245 return 0;
246
247 bail:
248 printk(KERN_ERR "Could not initialize FIQ for GTA02: %d\n", rc);
249
250 return rc;
251 }
252
253 static void gta02_fiq_disable(void)
254 {
255 __raw_writel(0, S3C2410_INTMOD);
256 local_fiq_disable();
257 gta02_fiq_irq = 0; /* no active source interrupt now either */
258
259 }
260 /* -------------------- /GTA02 FIQ Handler ------------------------------------- */
261
262 #endif
263
264 /*
265 * this gets called every 1ms when we paniced.
266 */
267
268 static long gta02_panic_blink(long count)
269 {
270 long delay = 0;
271 static long last_blink;
272 static char led;
273
274 if (count - last_blink < 100) /* 200ms period, fast blink */
275 return 0;
276
277 led ^= 1;
278 s3c2410_gpio_cfgpin(GTA02_GPIO_AUX_LED, S3C2410_GPIO_OUTPUT);
279 gta02_gpb_setpin(GTA02_GPIO_AUX_LED, led);
280
281 last_blink = count;
282 return delay;
283 }
284
285
286 /**
287 * returns PCB revision information in b9,b8 and b2,b1,b0
288 * Pre-GTA02 A6 returns 0x000
289 * GTA02 A6 returns 0x101
290 * ...
291 */
292
293 int gta02_get_pcb_revision(void)
294 {
295 int n;
296 int u = 0;
297 static unsigned long pinlist[] = {
298 GTA02_PCB_ID1_0,
299 GTA02_PCB_ID1_1,
300 GTA02_PCB_ID1_2,
301 GTA02_PCB_ID2_0,
302 GTA02_PCB_ID2_1,
303 };
304 static int pin_offset[] = {
305 0, 1, 2, 8, 9
306 };
307
308 for (n = 0 ; n < ARRAY_SIZE(pinlist); n++) {
309 /*
310 * set the PCB version GPIO to be pulled-down input
311 * force low briefly first
312 */
313 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
314 s3c2410_gpio_setpin(pinlist[n], 0);
315 /* misnomer: it is a pullDOWN in 2442 */
316 s3c2410_gpio_pullup(pinlist[n], 1);
317 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_INPUT);
318
319 udelay(10);
320
321 if (s3c2410_gpio_getpin(pinlist[n]))
322 u |= 1 << pin_offset[n];
323
324 /*
325 * when not being interrogated, all of the revision GPIO
326 * are set to output HIGH without pulldown so no current flows
327 * if they are NC or pulled up.
328 */
329 s3c2410_gpio_setpin(pinlist[n], 1);
330 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
331 /* misnomer: it is a pullDOWN in 2442 */
332 s3c2410_gpio_pullup(pinlist[n], 0);
333 }
334
335 return u;
336 }
337
338 struct platform_device gta02_resume_reason_device = {
339 .name = "gta02-resume",
340 .num_resources = 0,
341 };
342
343 static struct map_desc gta02_iodesc[] __initdata = {
344 {
345 .virtual = 0xe0000000,
346 .pfn = __phys_to_pfn(S3C2410_CS3+0x01000000),
347 .length = SZ_1M,
348 .type = MT_DEVICE
349 },
350 };
351
352 #define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN)
353 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
354 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
355
356 static struct s3c2410_uartcfg gta02_uartcfgs[] = {
357 [0] = {
358 .hwport = 0,
359 .flags = 0,
360 .ucon = UCON,
361 .ulcon = ULCON,
362 .ufcon = UFCON,
363 },
364 [1] = {
365 .hwport = 1,
366 .flags = 0,
367 .ucon = UCON,
368 .ulcon = ULCON,
369 .ufcon = UFCON,
370 },
371 [2] = {
372 .hwport = 2,
373 .flags = 0,
374 .ucon = UCON,
375 .ulcon = ULCON,
376 .ufcon = UFCON,
377 },
378
379 };
380
381 struct pcf50633 *gta02_pcf;
382
383 #ifdef CONFIG_CHARGER_PCF50633
384 #ifdef CONFIG_HDQ_GPIO_BITBANG
385 static int gta02_get_charger_online_status(void)
386 {
387 struct pcf50633 *pcf = gta02_pcf;
388
389 return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE;
390 }
391
392 static int gta02_get_charger_active_status(void)
393 {
394 struct pcf50633 *pcf = gta02_pcf;
395
396 return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ACTIVE;
397 }
398 #endif
399
400 #define ADC_NOM_CHG_DETECT_1A 6
401 #define ADC_NOM_CHG_DETECT_USB 43
402
403 static void
404 gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res)
405 {
406 int ma;
407
408 /* Interpret charger type */
409 if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) {
410
411 /* Stop GPO driving out now that we have a IA charger */
412 pcf50633_gpio_set(pcf, PCF50633_GPO, 0);
413
414 ma = 1000;
415 } else
416 ma = 100;
417
418 pcf50633_mbc_usb_curlim_set(pcf, ma);
419 }
420
421 static struct delayed_work gta02_charger_work;
422 static int gta02_usb_vbus_draw;
423
424 static void gta02_charger_worker(struct work_struct *work)
425 {
426 struct pcf50633 *pcf = gta02_pcf;
427
428 if (gta02_usb_vbus_draw) {
429 pcf50633_mbc_usb_curlim_set(pcf, gta02_usb_vbus_draw);
430 return;
431 } else {
432 #ifdef CONFIG_PCF50633_ADC
433 pcf50633_adc_async_read(pcf,
434 PCF50633_ADCC1_MUX_ADCIN1,
435 PCF50633_ADCC1_AVERAGE_16,
436 gta02_configure_pmu_for_charger, NULL);
437 #else
438 /* If the PCF50633 ADC is disabled we fallback to a 100mA limit for safety. */
439 pcf50633_mbc_usb_curlim_set(pcf, 100);
440 #endif
441 return;
442 }
443 }
444
445 #define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000)
446 static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq)
447 {
448 if (irq == PCF50633_IRQ_USBINS) {
449 schedule_delayed_work(&gta02_charger_work,
450 GTA02_CHARGER_CONFIGURE_TIMEOUT);
451 return;
452 } else if (irq == PCF50633_IRQ_USBREM) {
453 cancel_delayed_work_sync(&gta02_charger_work);
454 gta02_usb_vbus_draw = 0;
455 }
456 }
457
458 static void gta02_pmu_force_shutdown(struct pcf50633 *pcf)
459 {
460 pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_OOCSHDWN,
461 PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
462 }
463
464
465 static void gta02_udc_vbus_draw(unsigned int ma)
466 {
467 if (!gta02_pcf)
468 return;
469
470 gta02_usb_vbus_draw = ma;
471
472 schedule_delayed_work(&gta02_charger_work,
473 GTA02_CHARGER_CONFIGURE_TIMEOUT);
474 }
475
476 static int gta02_udc_vbus_status(void)
477 {
478 struct pcf50633 *pcf = gta02_pcf;
479 if (!gta02_pcf)
480 return -ENODEV;
481
482 return !!(pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE);
483 }
484
485 #else /* !CONFIG_CHARGER_PCF50633 */
486 #ifdef CONFIG_HDQ_GPIO_BITBANG
487 #define gta02_get_charger_online_status NULL
488 #define gta02_get_charger_active_status NULL
489 #endif
490 #define gta02_pmu_event_callback NULL
491 #define gta02_udc_vbus_draw NULL
492 #define gta02_udc_vbus_status NULL
493 #endif
494
495
496 static struct platform_device gta02_pm_gps_dev = {
497 .name = "gta02-pm-gps",
498 };
499
500 static struct platform_device gta02_pm_bt_dev = {
501 .name = "gta02-pm-bt",
502 };
503
504 static struct platform_device gta02_pm_gsm_dev = {
505 .name = "gta02-pm-gsm",
506 };
507
508 static struct platform_device gta02_pm_wlan_dev = {
509 .name = "gta02-pm-wlan",
510 };
511
512 /* this is called when pc50633 is probed, unfortunately quite late in the
513 * day since it is an I2C bus device. Here we can belatedly define some
514 * platform devices with the advantage that we can mark the pcf50633 as the
515 * parent. This makes them get suspended and resumed with their parent
516 * the pcf50633 still around.
517 */
518
519 static struct platform_device gta02_glamo_dev;
520 static void mangle_glamo_res_by_system_rev(void);
521
522 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf);
523 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id);
524
525 static struct regulator_consumer_supply ldo4_consumers[] = {
526 {
527 .dev = &gta02_pm_bt_dev.dev,
528 .supply = "BT_3V2",
529 },
530 };
531
532 static struct regulator_consumer_supply ldo5_consumers[] = {
533 {
534 .dev = &gta02_pm_gps_dev.dev,
535 .supply = "RF_3V",
536 },
537 };
538
539 static struct regulator_consumer_supply hcldo_consumers[] = {
540 {
541 .dev = &gta02_glamo_dev.dev,
542 .supply = "SD_3V3",
543 },
544 };
545
546 static char *gta02_batteries[] = {
547 "battery",
548 };
549
550 #ifdef CONFIG_CHARGER_PCF50633
551
552 struct pcf50633_platform_data gta02_pcf_pdata = {
553 .resumers = {
554 [0] = PCF50633_INT1_USBINS |
555 PCF50633_INT1_USBREM |
556 PCF50633_INT1_ALARM,
557 [1] = PCF50633_INT2_ONKEYF,
558 [2] = PCF50633_INT3_ONKEY1S,
559 [3] = PCF50633_INT4_LOWSYS |
560 PCF50633_INT4_LOWBAT |
561 PCF50633_INT4_HIGHTMP,
562 },
563
564 .batteries = gta02_batteries,
565 .num_batteries = ARRAY_SIZE(gta02_batteries),
566 .charging_restart_interval = (900 * HZ),
567 .chg_ref_current_ma = 1000,
568
569 .reg_init_data = {
570 [PCF50633_REGULATOR_AUTO] = {
571 .constraints = {
572 .name = "IO_3V3",
573 .min_uV = 3300000,
574 .max_uV = 3300000,
575 .valid_modes_mask = REGULATOR_MODE_NORMAL,
576 .boot_on = 1,
577 .always_on = 1,
578 .apply_uV = 1,
579 .state_mem = {
580 .enabled = 1,
581 },
582 },
583 .num_consumer_supplies = 0,
584 },
585 [PCF50633_REGULATOR_DOWN1] = {
586 .constraints = {
587 .name = "CORE_1V3",
588 .min_uV = 1300000,
589 .max_uV = 1600000,
590 .valid_modes_mask = REGULATOR_MODE_NORMAL,
591 .boot_on = 1,
592 .always_on = 1,
593 .apply_uV = 1,
594 },
595 .num_consumer_supplies = 0,
596 },
597 [PCF50633_REGULATOR_DOWN2] = {
598 .constraints = {
599 .name = "IO_1V8",
600 .min_uV = 1800000,
601 .max_uV = 1800000,
602 .valid_modes_mask = REGULATOR_MODE_NORMAL,
603 .apply_uV = 1,
604 .boot_on = 1,
605 .always_on = 1,
606 .state_mem = {
607 .enabled = 1,
608 },
609 },
610 .num_consumer_supplies = 0,
611 },
612 [PCF50633_REGULATOR_HCLDO] = {
613 .constraints = {
614 .name = "SD_3V3",
615 .min_uV = 2000000,
616 .max_uV = 3300000,
617 .valid_modes_mask = REGULATOR_MODE_NORMAL,
618 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
619 .boot_on = 1,
620 },
621 .num_consumer_supplies = 1,
622 .consumer_supplies = hcldo_consumers,
623 },
624 [PCF50633_REGULATOR_LDO1] = {
625 .constraints = {
626 .name = "GSENSOR_3V3",
627 .min_uV = 1300000,
628 .max_uV = 1300000,
629 .valid_modes_mask = REGULATOR_MODE_NORMAL,
630 .apply_uV = 1,
631 },
632 .num_consumer_supplies = 0,
633 },
634 [PCF50633_REGULATOR_LDO2] = {
635 .constraints = {
636 .name = "CODEC_3V3",
637 .min_uV = 3300000,
638 .max_uV = 3300000,
639 .valid_modes_mask = REGULATOR_MODE_NORMAL,
640 .apply_uV = 1,
641 },
642 .num_consumer_supplies = 0,
643 },
644 [PCF50633_REGULATOR_LDO3] = {
645 .constraints = {
646 .min_uV = 3000000,
647 .max_uV = 3000000,
648 .valid_modes_mask = REGULATOR_MODE_NORMAL,
649 .apply_uV = 1,
650 },
651 .num_consumer_supplies = 0,
652 },
653 [PCF50633_REGULATOR_LDO4] = {
654 .constraints = {
655 .name = "BT_3V2",
656 .min_uV = 3200000,
657 .max_uV = 3200000,
658 .valid_modes_mask = REGULATOR_MODE_NORMAL,
659 .apply_uV = 1,
660 },
661 .num_consumer_supplies = 1,
662 .consumer_supplies = ldo4_consumers,
663 },
664 [PCF50633_REGULATOR_LDO5] = {
665 .constraints = {
666 .name = "RF_3V",
667 .min_uV = 1500000,
668 .max_uV = 1500000,
669 .valid_modes_mask = REGULATOR_MODE_NORMAL,
670 .apply_uV = 1,
671 .state_mem = {
672 .enabled = 1,
673 },
674 },
675 .num_consumer_supplies = 1,
676 .consumer_supplies = ldo5_consumers,
677 },
678 [PCF50633_REGULATOR_LDO6] = {
679 .constraints = {
680 .name = "LCM_3V",
681 .min_uV = 0,
682 .max_uV = 3300000,
683 .always_on = 1,
684 .valid_modes_mask = REGULATOR_MODE_NORMAL,
685 },
686 .num_consumer_supplies = 0,
687 },
688 [PCF50633_REGULATOR_MEMLDO] = {
689 .constraints = {
690 .min_uV = 1800000,
691 .max_uV = 1800000,
692 .valid_modes_mask = REGULATOR_MODE_NORMAL,
693 .state_mem = {
694 .enabled = 1,
695 },
696 },
697 .num_consumer_supplies = 0,
698 },
699
700 },
701 .probe_done = gta02_pmu_attach_child_devices,
702 .regulator_registered = gta02_pmu_regulator_registered,
703 .mbc_event_callback = gta02_pmu_event_callback,
704 .force_shutdown = gta02_pmu_force_shutdown,
705 };
706
707 static void mangle_pmu_pdata_by_system_rev(void)
708 {
709 struct regulator_init_data *reg_init_data;
710
711 reg_init_data = gta02_pcf_pdata.reg_init_data;
712
713 switch (S3C_SYSTEM_REV_ATAG) {
714 case GTA02v1_SYSTEM_REV:
715 /* FIXME: this is only in v1 due to wrong PMU variant */
716 reg_init_data[PCF50633_REGULATOR_DOWN2]
717 .constraints.state_mem.enabled = 1;
718 break;
719 case GTA02v2_SYSTEM_REV:
720 case GTA02v3_SYSTEM_REV:
721 case GTA02v4_SYSTEM_REV:
722 case GTA02v5_SYSTEM_REV:
723 case GTA02v6_SYSTEM_REV:
724 reg_init_data[PCF50633_REGULATOR_LDO1]
725 .constraints.min_uV = 3300000;
726 reg_init_data[PCF50633_REGULATOR_LDO1]
727 .constraints.min_uV = 3300000;
728 reg_init_data[PCF50633_REGULATOR_LDO1]
729 .constraints.state_mem.enabled = 0;
730
731 reg_init_data[PCF50633_REGULATOR_LDO5]
732 .constraints.min_uV = 3000000;
733 reg_init_data[PCF50633_REGULATOR_LDO5]
734 .constraints.max_uV = 3000000;
735
736 reg_init_data[PCF50633_REGULATOR_LDO6]
737 .constraints.min_uV = 3000000;
738 reg_init_data[PCF50633_REGULATOR_LDO6]
739 .constraints.max_uV = 3000000;
740 reg_init_data[PCF50633_REGULATOR_LDO6]
741 .constraints.apply_uV = 1;
742 break;
743 default:
744 break;
745 }
746 }
747
748 #endif
749
750 #ifdef CONFIG_HDQ_GPIO_BITBANG
751 /* BQ27000 Battery */
752
753 struct bq27000_platform_data bq27000_pdata = {
754 .name = "battery",
755 .rsense_mohms = 20,
756 .hdq_read = hdq_read,
757 .hdq_write = hdq_write,
758 .hdq_initialized = hdq_initialized,
759 .get_charger_online_status = gta02_get_charger_online_status,
760 .get_charger_active_status = gta02_get_charger_active_status
761 };
762
763 struct platform_device bq27000_battery_device = {
764 .name = "bq27000-battery",
765 .dev = {
766 .platform_data = &bq27000_pdata,
767 },
768 };
769
770 /* HDQ */
771
772 static void gta02_hdq_attach_child_devices(struct device *parent_device)
773 {
774 switch (S3C_SYSTEM_REV_ATAG) {
775 case GTA02v5_SYSTEM_REV:
776 case GTA02v6_SYSTEM_REV:
777 bq27000_battery_device.dev.parent = parent_device;
778 platform_device_register(&bq27000_battery_device);
779 break;
780 default:
781 break;
782 }
783 }
784
785 static void gta02_hdq_gpio_direction_out(void)
786 {
787 s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT);
788 }
789
790 static void gta02_hdq_gpio_direction_in(void)
791 {
792 s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_INPUT);
793 }
794
795 static void gta02_hdq_gpio_set_value(int val)
796 {
797
798 s3c2410_gpio_setpin(GTA02v5_GPIO_HDQ, val);
799 }
800
801 static int gta02_hdq_gpio_get_value(void)
802 {
803 return s3c2410_gpio_getpin(GTA02v5_GPIO_HDQ);
804 }
805
806 static struct resource gta02_hdq_resources[] = {
807 [0] = {
808 .start = GTA02v5_GPIO_HDQ,
809 .end = GTA02v5_GPIO_HDQ,
810 },
811 };
812
813 struct hdq_platform_data gta02_hdq_platform_data = {
814 .attach_child_devices = gta02_hdq_attach_child_devices,
815 .gpio_dir_out = gta02_hdq_gpio_direction_out,
816 .gpio_dir_in = gta02_hdq_gpio_direction_in,
817 .gpio_set = gta02_hdq_gpio_set_value,
818 .gpio_get = gta02_hdq_gpio_get_value,
819
820 .enable_fiq = gta02_fiq_enable,
821 .disable_fiq = gta02_fiq_disable,
822 .kick_fiq = gta02_fiq_kick,
823
824 };
825
826 struct platform_device gta02_hdq_device = {
827 .name = "hdq",
828 .num_resources = 1,
829 .resource = gta02_hdq_resources,
830 .dev = {
831 .platform_data = &gta02_hdq_platform_data,
832 },
833 };
834 #endif
835
836
837 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
838 /* vibrator (child of FIQ) */
839
840 static struct resource gta02_vibrator_resources[] = {
841 [0] = {
842 .start = GTA02_GPIO_VIBRATOR_ON,
843 .end = GTA02_GPIO_VIBRATOR_ON,
844 },
845 };
846 struct gta02_vib_platform_data gta02_vib_pdata = {
847 .enable_fiq = gta02_fiq_enable,
848 .disable_fiq = gta02_fiq_disable,
849 .kick_fiq = gta02_fiq_kick,
850 };
851
852 static struct platform_device gta02_vibrator_dev = {
853 .name = "gta02-vibrator",
854 .num_resources = ARRAY_SIZE(gta02_vibrator_resources),
855 .resource = gta02_vibrator_resources,
856 .dev = {
857 .platform_data = &gta02_vib_pdata,
858 },
859 };
860 #endif
861
862 /* NOR Flash */
863
864 #define GTA02_FLASH_BASE S3C2410_CS3 /* GCS3 */
865 #define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */
866
867 static struct physmap_flash_data gta02_nor_flash_data = {
868 .width = 2,
869 };
870
871 static struct resource gta02_nor_flash_resource = {
872 .start = GTA02_FLASH_BASE,
873 .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
874 .flags = IORESOURCE_MEM,
875 };
876
877 static struct platform_device gta02_nor_flash = {
878 .name = "physmap-flash",
879 .id = 0,
880 .dev = {
881 .platform_data = &gta02_nor_flash_data,
882 },
883 .resource = &gta02_nor_flash_resource,
884 .num_resources = 1,
885 };
886
887
888 struct platform_device s3c24xx_pwm_device = {
889 .name = "s3c24xx_pwm",
890 .num_resources = 0,
891 };
892
893 static struct i2c_board_info gta02_i2c_devs[] __initdata = {
894 {
895 I2C_BOARD_INFO("pcf50633", 0x73),
896 .irq = GTA02_IRQ_PCF50633,
897 .platform_data = &gta02_pcf_pdata,
898 },
899 {
900 I2C_BOARD_INFO("wm8753", 0x1a),
901 },
902 };
903
904 static struct s3c2410_nand_set gta02_nand_sets[] = {
905 [0] = {
906 .name = "neo1973-nand",
907 .nr_chips = 1,
908 .flags = S3C2410_NAND_BBT,
909 },
910 };
911
912 /* choose a set of timings derived from S3C@2442B MCP54
913 * data sheet (K5D2G13ACM-D075 MCP Memory)
914 */
915
916 static struct s3c2410_platform_nand gta02_nand_info = {
917 .tacls = 0,
918 .twrph0 = 25,
919 .twrph1 = 15,
920 .nr_sets = ARRAY_SIZE(gta02_nand_sets),
921 .sets = gta02_nand_sets,
922 .software_ecc = 1,
923 };
924
925
926 static void gta02_s3c_mmc_set_power(unsigned char power_mode,
927 unsigned short vdd)
928 {
929 static int is_on = -1;
930 int on;
931
932 on = power_mode == MMC_POWER_ON || power_mode == MMC_POWER_UP;
933 if (is_on != on)
934 gta02_wlan_reset(!on);
935 is_on = on;
936 }
937
938
939 static struct s3c24xx_mci_pdata gta02_s3c_mmc_cfg = {
940 .set_power = gta02_s3c_mmc_set_power,
941 };
942
943 static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
944 {
945 switch (cmd) {
946 case S3C2410_UDC_P_ENABLE:
947 printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__);
948 gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 1);
949 break;
950 case S3C2410_UDC_P_DISABLE:
951 printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__);
952 gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 0);
953 break;
954 case S3C2410_UDC_P_RESET:
955 printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__);
956 /* FIXME! */
957 break;
958 default:
959 break;
960 }
961 }
962
963 /* get PMU to set USB current limit accordingly */
964
965 static struct s3c2410_udc_mach_info gta02_udc_cfg = {
966 .vbus_draw = gta02_udc_vbus_draw,
967 .udc_command = gta02_udc_command,
968 /* .get_vbus_status = gta02_udc_vbus_status,*/
969 };
970
971
972 /* Touchscreen configuration. */
973
974 #ifdef CONFIG_TOUCHSCREEN_FILTER
975 const static struct ts_filter_group_configuration gta02_ts_group = {
976 .length = 12,
977 .close_enough = 10,
978 .threshold = 6, /* At least half of the points in a group. */
979 .attempts = 10,
980 };
981
982 const static struct ts_filter_median_configuration gta02_ts_median = {
983 .extent = 20,
984 .decimation_below = 3,
985 .decimation_threshold = 8 * 3,
986 .decimation_above = 4,
987 };
988
989 const static struct ts_filter_mean_configuration gta02_ts_mean = {
990 .length = 4,
991 };
992
993 const static struct ts_filter_linear_configuration gta02_ts_linear = {
994 .constants = {1, 0, 0, 0, 1, 0, 1}, /* Don't modify coords. */
995 .coord0 = 0,
996 .coord1 = 1,
997 };
998 #endif
999
1000 const static struct ts_filter_chain_configuration gta02_filter_configuration[] =
1001 {
1002 #ifdef CONFIG_TOUCHSCREEN_FILTER
1003 {&ts_filter_group_api, &gta02_ts_group.config},
1004 {&ts_filter_median_api, &gta02_ts_median.config},
1005 {&ts_filter_mean_api, &gta02_ts_mean.config},
1006 {&ts_filter_linear_api, &gta02_ts_linear.config},
1007 #endif
1008 {NULL, NULL},
1009 };
1010
1011 const static struct s3c2410_ts_mach_info gta02_ts_cfg = {
1012 .delay = 10000,
1013 .presc = 0xff, /* slow as we can go */
1014 .filter_config = gta02_filter_configuration,
1015 };
1016
1017
1018
1019 static void gta02_bl_set_intensity(int intensity)
1020 {
1021 struct pcf50633 *pcf = gta02_pcf;
1022 int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1023 int ret;
1024
1025 intensity >>= 2;
1026
1027 /*
1028 * One code path that leads here is from a kernel panic. Trying to turn
1029 * the backlight on just gives us a nearly endless stream of complaints
1030 * and accomplishes nothing. We can't win. Just give up.
1031 *
1032 * In the unlikely event that there's another path leading here while
1033 * we're atomic, we print at least a warning.
1034 */
1035 if (in_atomic()) {
1036 printk(KERN_ERR
1037 "gta02_bl_set_intensity called while atomic\n");
1038 return;
1039 }
1040
1041 if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
1042 old_intensity = 0;
1043 else
1044 old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1045
1046 if (intensity == old_intensity)
1047 return;
1048
1049 /* We can't do this anywhere else */
1050 pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
1051
1052 /*
1053 * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
1054 * if seen, you have to re-enable the LED unit
1055 */
1056 if (!intensity || !old_intensity)
1057 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
1058
1059 if (!intensity) /* illegal to set LEDOUT to 0 */
1060 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1061 2);
1062 else
1063 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1064 intensity);
1065
1066 if (intensity)
1067 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
1068
1069 }
1070
1071 static struct generic_bl_info gta02_bl_info = {
1072 .name = "gta02-bl",
1073 .max_intensity = 0xff,
1074 .default_intensity = 0xff,
1075 .set_bl_intensity = gta02_bl_set_intensity,
1076 };
1077
1078 static struct platform_device gta02_bl_dev = {
1079 .name = "generic-bl",
1080 .id = 1,
1081 .dev = {
1082 .platform_data = &gta02_bl_info,
1083 },
1084 };
1085
1086 /* SPI: LCM control interface attached to Glamo3362 */
1087
1088 static void gta02_jbt6k74_reset(int devidx, int level)
1089 {
1090 glamo_lcm_reset(&gta02_glamo_dev, level);
1091 }
1092
1093 static void gta02_jbt6k74_probe_completed(struct device *dev)
1094 {
1095 struct pcf50633 *pcf = gta02_pcf;
1096
1097 /* Switch on backlight. Qi does not do it for us */
1098 pcf50633_reg_write(pcf, PCF50633_REG_LEDOUT, 0x01);
1099 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x00);
1100 pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 0x01);
1101 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
1102
1103 gta02_bl_dev.dev.parent = dev;
1104 platform_device_register(&gta02_bl_dev);
1105 }
1106
1107 const struct jbt6k74_platform_data jbt6k74_pdata = {
1108 .reset = gta02_jbt6k74_reset,
1109 .probe_completed = gta02_jbt6k74_probe_completed,
1110 };
1111
1112 /*----------- SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1113
1114 void gta02_lis302dl_suspend_io(struct lis302dl_info *lis, int resume)
1115 {
1116 struct lis302dl_platform_data *pdata = lis->pdata;
1117
1118 if (!resume) {
1119 /*
1120 * we don't want to power them with a high level
1121 * because GSENSOR_3V3 is not up during suspend
1122 */
1123 s3c2410_gpio_setpin(pdata->pin_chip_select, 0);
1124 s3c2410_gpio_setpin(pdata->pin_clk, 0);
1125 s3c2410_gpio_setpin(pdata->pin_mosi, 0);
1126 /* misnomer: it is a pullDOWN in 2442 */
1127 s3c2410_gpio_pullup(pdata->pin_miso, 1);
1128 return;
1129 }
1130
1131 /* back to normal */
1132 s3c2410_gpio_setpin(pdata->pin_chip_select, 1);
1133 s3c2410_gpio_setpin(pdata->pin_clk, 1);
1134 /* misnomer: it is a pullDOWN in 2442 */
1135 s3c2410_gpio_pullup(pdata->pin_miso, 0);
1136
1137 s3c2410_gpio_cfgpin(pdata->pin_chip_select, S3C2410_GPIO_OUTPUT);
1138 s3c2410_gpio_cfgpin(pdata->pin_clk, S3C2410_GPIO_OUTPUT);
1139 s3c2410_gpio_cfgpin(pdata->pin_mosi, S3C2410_GPIO_OUTPUT);
1140 s3c2410_gpio_cfgpin(pdata->pin_miso, S3C2410_GPIO_INPUT);
1141
1142 }
1143
1144 struct lis302dl_platform_data lis302_pdata_top = {
1145 .name = "lis302-1 (top)",
1146 .pin_chip_select= S3C2410_GPD12,
1147 .pin_clk = S3C2410_GPG7,
1148 .pin_mosi = S3C2410_GPG6,
1149 .pin_miso = S3C2410_GPG5,
1150 .interrupt = GTA02_IRQ_GSENSOR_1,
1151 .open_drain = 1, /* altered at runtime by PCB rev */
1152 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1153 };
1154
1155 struct lis302dl_platform_data lis302_pdata_bottom = {
1156 .name = "lis302-2 (bottom)",
1157 .pin_chip_select= S3C2410_GPD13,
1158 .pin_clk = S3C2410_GPG7,
1159 .pin_mosi = S3C2410_GPG6,
1160 .pin_miso = S3C2410_GPG5,
1161 .interrupt = GTA02_IRQ_GSENSOR_2,
1162 .open_drain = 1, /* altered at runtime by PCB rev */
1163 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1164 };
1165
1166 static struct spi_board_info gta02_spi_board_info[] = {
1167 {
1168 .modalias = "jbt6k74",
1169 /* platform_data */
1170 .platform_data = &jbt6k74_pdata,
1171 /* controller_data */
1172 /* irq */
1173 .max_speed_hz = 100 * 1000,
1174 .bus_num = 2,
1175 /* chip_select */
1176 },
1177 {
1178 .modalias = "lis302dl",
1179 /* platform_data */
1180 .platform_data = &lis302_pdata_top,
1181 /* controller_data */
1182 /* irq */
1183 .max_speed_hz = 100 * 1000,
1184 .bus_num = 3,
1185 .chip_select = 0,
1186 },
1187
1188 {
1189 .modalias = "lis302dl",
1190 /* platform_data */
1191 .platform_data = &lis302_pdata_bottom,
1192 /* controller_data */
1193 /* irq */
1194 .max_speed_hz = 100 * 1000,
1195 .bus_num = 3,
1196 .chip_select = 1,
1197 },
1198
1199 };
1200
1201 static void gta02_lis302_chip_select(struct s3c2410_spigpio_info *info, int csid, int cs)
1202 {
1203
1204 /*
1205 * Huh... "quirk"... CS on this device is not really "CS" like you can
1206 * expect.
1207 *
1208 * When it is 0 it selects SPI interface mode.
1209 * When it is 1 it selects I2C interface mode.
1210 *
1211 * Because we have 2 devices on one interface we have to make sure
1212 * that the "disabled" device (actually in I2C mode) don't think we're
1213 * talking to it.
1214 *
1215 * When we talk to the "enabled" device, the "disabled" device sees
1216 * the clocks as I2C clocks, creating havoc.
1217 *
1218 * I2C sees MOSI going LOW while CLK HIGH as a START action, thus we
1219 * must ensure this is never issued.
1220 */
1221
1222 int cs_gpio, other_cs_gpio;
1223
1224 cs_gpio = csid ? S3C2410_GPD13 : S3C2410_GPD12;
1225 other_cs_gpio = (1 - csid) ? S3C2410_GPD13 : S3C2410_GPD12;
1226
1227
1228 if (cs == BITBANG_CS_ACTIVE) {
1229 s3c2410_gpio_setpin(other_cs_gpio, 1);
1230 s3c2410_gpio_setpin(cs_gpio, 1);
1231 s3c2410_gpio_setpin(info->pin_clk, 1);
1232 s3c2410_gpio_setpin(cs_gpio, 0);
1233 } else {
1234 s3c2410_gpio_setpin(cs_gpio, 1);
1235 s3c2410_gpio_setpin(other_cs_gpio, 1);
1236 }
1237 }
1238
1239 static struct s3c2410_spigpio_info gta02_spigpio_cfg = {
1240 .pin_clk = S3C2410_GPG7,
1241 .pin_mosi = S3C2410_GPG6,
1242 .pin_miso = S3C2410_GPG5,
1243 .bus_num = 3,
1244 .num_chipselect = 2,
1245 .chip_select = gta02_lis302_chip_select,
1246 .non_blocking_transfer = 1,
1247 };
1248
1249 static struct platform_device gta02_spi_gpio_dev = {
1250 .name = "spi_s3c24xx_gpio",
1251 .dev = {
1252 .platform_data = &gta02_spigpio_cfg,
1253 },
1254 };
1255
1256 /*----------- / SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1257
1258 static struct resource gta02_led_resources[] = {
1259 {
1260 .name = "gta02-power:orange",
1261 .start = GTA02_GPIO_PWR_LED1,
1262 .end = GTA02_GPIO_PWR_LED1,
1263 }, {
1264 .name = "gta02-power:blue",
1265 .start = GTA02_GPIO_PWR_LED2,
1266 .end = GTA02_GPIO_PWR_LED2,
1267 }, {
1268 .name = "gta02-aux:red",
1269 .start = GTA02_GPIO_AUX_LED,
1270 .end = GTA02_GPIO_AUX_LED,
1271 },
1272 };
1273
1274 struct platform_device gta02_led_dev = {
1275 .name = "gta02-led",
1276 .num_resources = ARRAY_SIZE(gta02_led_resources),
1277 .resource = gta02_led_resources,
1278 };
1279
1280 static struct resource gta02_button_resources[] = {
1281 [0] = {
1282 .start = GTA02_GPIO_AUX_KEY,
1283 .end = GTA02_GPIO_AUX_KEY,
1284 },
1285 [1] = {
1286 .start = GTA02_GPIO_HOLD_KEY,
1287 .end = GTA02_GPIO_HOLD_KEY,
1288 },
1289 [2] = {
1290 .start = GTA02_GPIO_JACK_INSERT,
1291 .end = GTA02_GPIO_JACK_INSERT,
1292 },
1293 [3] = {
1294 .start = 0,
1295 .end = 0,
1296 },
1297 [4] = {
1298 .start = 0,
1299 .end = 0,
1300 },
1301 };
1302
1303 static struct platform_device gta02_button_dev = {
1304 .name = "gta02-button",
1305 .num_resources = ARRAY_SIZE(gta02_button_resources),
1306 .resource = gta02_button_resources,
1307 };
1308
1309 static struct platform_device gta02_pm_usbhost_dev = {
1310 .name = "gta02-pm-host",
1311 };
1312
1313
1314 /* USB */
1315 static struct s3c2410_hcd_info gta02_usb_info = {
1316 .port[0] = {
1317 .flags = S3C_HCDFLG_USED,
1318 },
1319 .port[1] = {
1320 .flags = 0,
1321 },
1322 };
1323
1324 static int glamo_irq_is_wired(void)
1325 {
1326 int rc;
1327 int count = 0;
1328
1329 /*
1330 * GTA02 S-Media IRQs prior to A5 are broken due to a lack of
1331 * a pullup on the INT# line. Check for the bad behaviour.
1332 */
1333 s3c2410_gpio_setpin(S3C2410_GPG4, 0);
1334 s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_OUTP);
1335 s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_INP);
1336 /*
1337 * we force it low ourselves for a moment and resume being input.
1338 * If there is a pullup, it won't stay low for long. But if the
1339 * level converter is there as on < A5 revision, the weak keeper
1340 * on the input of the LC will hold the line low indefinitiely
1341 */
1342 do
1343 rc = s3c2410_gpio_getpin(S3C2410_GPG4);
1344 while ((!rc) && ((count++) < 10));
1345 if (rc) { /* it got pulled back up, it's good */
1346 printk(KERN_INFO "Detected S-Media IRQ# pullup, "
1347 "enabling interrupt\n");
1348 return 0;
1349 } else /* Gah we can't work with this level converter */
1350 printk(KERN_WARNING "** Detected bad IRQ# circuit found"
1351 " on pre-A5 GTA02: S-Media interrupt disabled **\n");
1352 return -ENODEV;
1353 }
1354
1355 /* Smedia Glamo 3362 */
1356
1357 /*
1358 * we crank down SD Card clock dynamically when GPS is powered
1359 */
1360
1361 static int gta02_glamo_mci_use_slow(void)
1362 {
1363 return gta02_pm_gps_is_on();
1364 }
1365
1366 static void gta02_glamo_external_reset(int level)
1367 {
1368 s3c2410_gpio_setpin(GTA02_GPIO_3D_RESET, level);
1369 s3c2410_gpio_cfgpin(GTA02_GPIO_3D_RESET, S3C2410_GPIO_OUTPUT);
1370 }
1371
1372 static struct fb_videomode gta02_glamo_modes[] = {
1373 {
1374 .name = "480x640",
1375 .xres = 480,
1376 .yres = 640,
1377 .pixclock = 40816,
1378 .left_margin = 8,
1379 .right_margin = 16,
1380 .upper_margin = 2,
1381 .lower_margin = 16,
1382 .hsync_len = 8,
1383 .vsync_len = 2,
1384 .vmode = FB_VMODE_NONINTERLACED,
1385 }, {
1386 .name = "240x320",
1387 .xres = 240,
1388 .yres = 320,
1389 .pixclock = 40816,
1390 .left_margin = 8,
1391 .right_margin = 16,
1392 .upper_margin = 2,
1393 .lower_margin = 16,
1394 .hsync_len = 8,
1395 .vsync_len = 2,
1396 .vmode = FB_VMODE_NONINTERLACED,
1397 }
1398 };
1399
1400 static struct glamo_fb_platform_data gta02_glamo_fb_pdata = {
1401 .width = 43,
1402 .height = 58,
1403
1404 .num_modes = ARRAY_SIZE(gta02_glamo_modes),
1405 .modes = gta02_glamo_modes,
1406 };
1407
1408 static struct glamo_spigpio_platform_data gta02_glamo_spigpio_pdata = {
1409 .pin_clk = GLAMO_GPIO10_OUTPUT,
1410 .pin_mosi = GLAMO_GPIO11_OUTPUT,
1411 .pin_cs = GLAMO_GPIO12_OUTPUT,
1412 .pin_miso = 0,
1413 .bus_num = 2,
1414 };
1415
1416 static struct glamo_mmc_platform_data gta02_glamo_mmc_pdata = {
1417 .glamo_mmc_use_slow = gta02_glamo_mci_use_slow,
1418 };
1419
1420 static struct glamo_platform_data gta02_glamo_pdata = {
1421 .fb_data = &gta02_glamo_fb_pdata,
1422 .spigpio_data = &gta02_glamo_spigpio_pdata,
1423 .mmc_data = &gta02_glamo_mmc_pdata,
1424
1425 .osci_clock_rate = 32768,
1426
1427 .glamo_irq_is_wired = glamo_irq_is_wired,
1428 .glamo_external_reset = gta02_glamo_external_reset,
1429 };
1430
1431 static struct resource gta02_glamo_resources[] = {
1432 [0] = {
1433 .start = S3C2410_CS1,
1434 .end = S3C2410_CS1 + 0x1000000 - 1,
1435 .flags = IORESOURCE_MEM,
1436 },
1437 [1] = {
1438 .start = GTA02_IRQ_3D,
1439 .end = GTA02_IRQ_3D,
1440 .flags = IORESOURCE_IRQ,
1441 },
1442 [2] = {
1443 .start = GTA02_GPIO_3D_RESET,
1444 .end = GTA02_GPIO_3D_RESET,
1445 },
1446 };
1447
1448 static struct platform_device gta02_glamo_dev = {
1449 .name = "glamo3362",
1450 .num_resources = ARRAY_SIZE(gta02_glamo_resources),
1451 .resource = gta02_glamo_resources,
1452 .dev = {
1453 .platform_data = &gta02_glamo_pdata,
1454 },
1455 };
1456
1457 static void mangle_glamo_res_by_system_rev(void)
1458 {
1459 switch (S3C_SYSTEM_REV_ATAG) {
1460 case GTA02v1_SYSTEM_REV:
1461 break;
1462 default:
1463 gta02_glamo_resources[2].start = GTA02_GPIO_3D_RESET;
1464 gta02_glamo_resources[2].end = GTA02_GPIO_3D_RESET;
1465 break;
1466 }
1467
1468 switch (S3C_SYSTEM_REV_ATAG) {
1469 case GTA02v1_SYSTEM_REV:
1470 case GTA02v2_SYSTEM_REV:
1471 case GTA02v3_SYSTEM_REV:
1472 /* case GTA02v4_SYSTEM_REV: - FIXME: handle this later */
1473 /* The hardware is missing a pull-up resistor and thus can't
1474 * support the Smedia Glamo IRQ */
1475 gta02_glamo_resources[1].start = 0;
1476 gta02_glamo_resources[1].end = 0;
1477 break;
1478 }
1479 }
1480
1481 static void __init gta02_map_io(void)
1482 {
1483 s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
1484 s3c24xx_init_clocks(12000000);
1485 s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
1486 }
1487
1488 static irqreturn_t gta02_modem_irq(int irq, void *param)
1489 {
1490 /* printk(KERN_DEBUG "modem wakeup interrupt\n");*/
1491 gta_gsm_interrupts++;
1492 return IRQ_HANDLED;
1493 }
1494
1495 static irqreturn_t ar6000_wow_irq(int irq, void *param)
1496 {
1497 /* printk(KERN_DEBUG "ar6000_wow interrupt\n");*/
1498 return IRQ_HANDLED;
1499 }
1500
1501 /*
1502 * hardware_ecc=1|0
1503 */
1504 static char hardware_ecc_str[4] __initdata = "";
1505
1506 static int __init hardware_ecc_setup(char *str)
1507 {
1508 if (str)
1509 strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str));
1510 return 1;
1511 }
1512
1513 __setup("hardware_ecc=", hardware_ecc_setup);
1514
1515 /* these are the guys that don't need to be children of PMU */
1516
1517 static struct platform_device *gta02_devices[] __initdata = {
1518 &s3c_device_usb,
1519 &s3c_device_wdt,
1520 &s3c_device_sdi,
1521 &s3c_device_usbgadget,
1522 &s3c_device_nand,
1523 &gta02_nor_flash,
1524
1525 &s3c24xx_pwm_device,
1526 &gta02_led_dev,
1527 &gta02_pm_wlan_dev, /* not dependent on PMU */
1528
1529 &s3c_device_iis,
1530 &s3c_device_i2c0,
1531 };
1532
1533 /* these guys DO need to be children of PMU */
1534
1535 static struct platform_device *gta02_devices_pmu_children[] = {
1536 &s3c_device_ts, /* input 1 */
1537 &gta02_pm_gsm_dev,
1538 &gta02_pm_usbhost_dev,
1539 &gta02_spi_gpio_dev, /* input 2 and 3 */
1540 &gta02_button_dev, /* input 4 */
1541 &gta02_resume_reason_device,
1542 };
1543
1544 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id)
1545 {
1546 struct platform_device *regulator, *pdev;
1547
1548 gta02_pcf = pcf;
1549
1550 regulator = pcf->regulator_pdev[id];
1551
1552 switch(id) {
1553 case PCF50633_REGULATOR_LDO4:
1554 pdev = &gta02_pm_bt_dev;
1555 break;
1556 case PCF50633_REGULATOR_LDO5:
1557 pdev = &gta02_pm_gps_dev;
1558 break;
1559 case PCF50633_REGULATOR_HCLDO:
1560 pdev = &gta02_glamo_dev;
1561 break;
1562 default:
1563 return;
1564 }
1565
1566 pdev->dev.parent = &regulator->dev;
1567 platform_device_register(pdev);
1568 }
1569
1570 /* this is called when pc50633 is probed, unfortunately quite late in the
1571 * day since it is an I2C bus device. Here we can belatedly define some
1572 * platform devices with the advantage that we can mark the pcf50633 as the
1573 * parent. This makes them get suspended and resumed with their parent
1574 * the pcf50633 still around.
1575 */
1576
1577 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
1578 {
1579 int n;
1580
1581 for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
1582 gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
1583
1584 mangle_glamo_res_by_system_rev();
1585 platform_add_devices(gta02_devices_pmu_children,
1586 ARRAY_SIZE(gta02_devices_pmu_children));
1587
1588 regulator_has_full_constraints();
1589 }
1590
1591 static void gta02_poweroff(void)
1592 {
1593 pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN,
1594 PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
1595 }
1596
1597 static void __init gta02_machine_init(void)
1598 {
1599 int rc;
1600
1601 /* set the panic callback to make AUX blink fast */
1602 panic_blink = gta02_panic_blink;
1603
1604 switch (S3C_SYSTEM_REV_ATAG) {
1605 case GTA02v6_SYSTEM_REV:
1606 /* we need push-pull interrupt from motion sensors */
1607 lis302_pdata_top.open_drain = 0;
1608 lis302_pdata_bottom.open_drain = 0;
1609 break;
1610 default:
1611 break;
1612 }
1613
1614 spin_lock_init(&motion_irq_lock);
1615
1616 #ifdef CONFIG_CHARGER_PCF50633
1617 INIT_DELAYED_WORK(&gta02_charger_work, gta02_charger_worker);
1618 #endif
1619
1620 /* Glamo chip select optimization */
1621 /* *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */
1622
1623 /* do not force soft ecc if we are asked to use hardware_ecc */
1624 if (hardware_ecc_str[0] == '1')
1625 gta02_nand_info.software_ecc = 0;
1626
1627 s3c_device_usb.dev.platform_data = &gta02_usb_info;
1628 s3c_device_nand.dev.platform_data = &gta02_nand_info;
1629 s3c_device_sdi.dev.platform_data = &gta02_s3c_mmc_cfg;
1630
1631 /* acc sensor chip selects */
1632 s3c2410_gpio_setpin(S3C2410_GPD12, 1);
1633 s3c2410_gpio_cfgpin(S3C2410_GPD12, S3C2410_GPIO_OUTPUT);
1634 s3c2410_gpio_setpin(S3C2410_GPD13, 1);
1635 s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPIO_OUTPUT);
1636
1637 s3c24xx_udc_set_platdata(&gta02_udc_cfg);
1638 s3c_i2c0_set_platdata(NULL);
1639 set_s3c2410ts_info(&gta02_ts_cfg);
1640
1641 mangle_glamo_res_by_system_rev();
1642
1643 i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
1644 spi_register_board_info(gta02_spi_board_info,
1645 ARRAY_SIZE(gta02_spi_board_info));
1646
1647 #ifdef CONFIG_CHARGER_PCF50633
1648 mangle_pmu_pdata_by_system_rev();
1649 #endif
1650
1651 platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
1652
1653 s3c_pm_init();
1654
1655 /* Make sure the modem can wake us up */
1656 set_irq_type(GTA02_IRQ_MODEM, IRQ_TYPE_EDGE_RISING);
1657 rc = request_irq(GTA02_IRQ_MODEM, gta02_modem_irq, IRQF_DISABLED,
1658 "modem", NULL);
1659 if (rc < 0)
1660 printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n");
1661 enable_irq_wake(GTA02_IRQ_MODEM);
1662
1663 /* Make sure the wifi module can wake us up*/
1664 set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQ_TYPE_EDGE_RISING);
1665 rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED,
1666 "ar6000", NULL);
1667
1668 if (rc < 0)
1669 printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n");
1670 enable_irq_wake(GTA02_IRQ_WLAN_GPIO1);
1671
1672 pm_power_off = gta02_poweroff;
1673
1674 /* Register the HDQ and vibrator as children of pwm device */
1675 #ifdef CONFIG_HDQ_GPIO_BITBANG
1676 gta02_hdq_device.dev.parent = &s3c24xx_pwm_device.dev;
1677 platform_device_register(&gta02_hdq_device);
1678 #endif
1679 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
1680 gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev;
1681 platform_device_register(&gta02_vibrator_dev);
1682 #endif
1683 }
1684
1685 void DEBUG_LED(int n)
1686 {
1687 switch (n) {
1688 case 0:
1689 gta02_gpb_setpin(GTA02_GPIO_PWR_LED1, 1);
1690 break;
1691 case 1:
1692 gta02_gpb_setpin(GTA02_GPIO_PWR_LED2, 1);
1693 break;
1694 default:
1695 gta02_gpb_setpin(GTA02_GPIO_AUX_LED, 1);
1696 break;
1697 }
1698 }
1699 EXPORT_SYMBOL_GPL(DEBUG_LED);
1700
1701 MACHINE_START(NEO1973_GTA02, "GTA02")
1702 .phys_io = S3C2410_PA_UART,
1703 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
1704 .boot_params = S3C2410_SDRAM_PA + 0x100,
1705 .map_io = gta02_map_io,
1706 .init_irq = s3c24xx_init_irq,
1707 .init_machine = gta02_machine_init,
1708 .timer = &s3c24xx_timer,
1709 MACHINE_END
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