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[openwrt.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_gpio.h>
39 #include <linux/spi/spi_bitbang.h>
40 #include <linux/mmc/host.h>
41 #include <linux/leds.h>
42 #include <linux/gpio_keys.h>
43
44 #include <linux/mtd/mtd.h>
45 #include <linux/mtd/nand.h>
46 #include <linux/mtd/nand_ecc.h>
47 #include <linux/mtd/partitions.h>
48 #include <linux/mtd/physmap.h>
49
50 #include <linux/i2c.h>
51 #include <linux/backlight.h>
52 #include <linux/regulator/machine.h>
53
54 #include <linux/mfd/pcf50633/core.h>
55 #include <linux/mfd/pcf50633/mbc.h>
56 #include <linux/mfd/pcf50633/adc.h>
57 #include <linux/mfd/pcf50633/gpio.h>
58 #include <linux/mfd/pcf50633/pmic.h>
59
60 #include <linux/lis302dl.h>
61
62 #include <asm/mach/arch.h>
63 #include <asm/mach/map.h>
64 #include <asm/mach/irq.h>
65
66 #include <mach/hardware.h>
67 #include <mach/io.h>
68 #include <asm/irq.h>
69 #include <asm/mach-types.h>
70
71 #include <mach/regs-irq.h>
72 #include <mach/regs-gpio.h>
73 #include <mach/regs-gpioj.h>
74 #include <mach/fb.h>
75 #include <mach/mci.h>
76 #include <mach/ts.h>
77 #include <mach/spi.h>
78 #include <mach/spi-gpio.h>
79 #include <mach/regs-mem.h>
80 #include <plat/pwm.h>
81 #include <mach/cpu.h>
82
83 #include <mach/gta02.h>
84
85 #include <plat/regs-serial.h>
86 #include <plat/nand.h>
87 #include <plat/devs.h>
88 #include <plat/cpu.h>
89 #include <plat/pm.h>
90 #include <plat/udc.h>
91 #include <plat/iic.h>
92 #include <plat/usb-control.h>
93 #include <plat/regs-timer.h>
94
95 #include <mach/gta02-pm-gsm.h>
96 #include <mach/gta02-pm-gps.h>
97 #include <mach/gta02-pm-wlan.h>
98
99 #include <linux/jbt6k74.h>
100 #include <linux/glamofb.h>
101 #include <linux/mfd/glamo.h>
102
103 #include <linux/hdq.h>
104 #include <linux/bq27000_battery.h>
105
106 #include <linux/touchscreen/ts_filter_chain.h>
107 #ifdef CONFIG_TOUCHSCREEN_FILTER
108 #include <linux/touchscreen/ts_filter_linear.h>
109 #include <linux/touchscreen/ts_filter_mean.h>
110 #include <linux/touchscreen/ts_filter_median.h>
111 #include <linux/touchscreen/ts_filter_group.h>
112 #endif
113
114 #include <asm/fiq.h>
115
116 #include <linux/gta02-vibrator.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 s3c2410_gpio_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 = 3300000,
628 .max_uV = 3300000,
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 = 3000000,
668 .max_uV = 3000000,
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 = 3000000,
682 .max_uV = 3000000,
683 .always_on = 1,
684 .valid_modes_mask = REGULATOR_MODE_NORMAL,
685 .apply_uV = 1,
686 },
687 .num_consumer_supplies = 0,
688 },
689 [PCF50633_REGULATOR_MEMLDO] = {
690 .constraints = {
691 .min_uV = 1800000,
692 .max_uV = 1800000,
693 .valid_modes_mask = REGULATOR_MODE_NORMAL,
694 .state_mem = {
695 .enabled = 1,
696 },
697 },
698 .num_consumer_supplies = 0,
699 },
700
701 },
702 .probe_done = gta02_pmu_attach_child_devices,
703 .regulator_registered = gta02_pmu_regulator_registered,
704 .mbc_event_callback = gta02_pmu_event_callback,
705 .force_shutdown = gta02_pmu_force_shutdown,
706 };
707
708 static void mangle_pmu_pdata_by_system_rev(void)
709 {
710 struct regulator_init_data *reg_init_data;
711
712 reg_init_data = gta02_pcf_pdata.reg_init_data;
713
714 switch (S3C_SYSTEM_REV_ATAG) {
715 case GTA02v1_SYSTEM_REV:
716 /* FIXME: this is only in v1 due to wrong PMU variant */
717 reg_init_data[PCF50633_REGULATOR_DOWN2]
718 .constraints.state_mem.enabled = 1;
719
720 reg_init_data[PCF50633_REGULATOR_LDO1]
721 .constraints.min_uV = 1300000;
722 reg_init_data[PCF50633_REGULATOR_LDO1]
723 .constraints.max_uV = 1300000;
724
725 reg_init_data[PCF50633_REGULATOR_LDO5]
726 .constraints.min_uV = 1500000;
727 reg_init_data[PCF50633_REGULATOR_LDO5]
728 .constraints.max_uV = 1500000;
729
730 reg_init_data[PCF50633_REGULATOR_LDO6]
731 .constraints.min_uV = 0;
732 reg_init_data[PCF50633_REGULATOR_LDO6]
733 .constraints.max_uV = 3300000;
734 reg_init_data[PCF50633_REGULATOR_LDO6]
735 .constraints.apply_uV = 1;
736 break;
737 default:
738 break;
739 }
740 }
741
742 #endif
743
744 #ifdef CONFIG_HDQ_GPIO_BITBANG
745 /* BQ27000 Battery */
746
747 struct bq27000_platform_data bq27000_pdata = {
748 .name = "battery",
749 .rsense_mohms = 20,
750 .hdq_read = hdq_read,
751 .hdq_write = hdq_write,
752 .hdq_initialized = hdq_initialized,
753 .get_charger_online_status = gta02_get_charger_online_status,
754 .get_charger_active_status = gta02_get_charger_active_status
755 };
756
757 struct platform_device bq27000_battery_device = {
758 .name = "bq27000-battery",
759 .dev = {
760 .platform_data = &bq27000_pdata,
761 },
762 };
763
764 /* HDQ */
765
766 static void gta02_hdq_attach_child_devices(struct device *parent_device)
767 {
768 switch (S3C_SYSTEM_REV_ATAG) {
769 case GTA02v5_SYSTEM_REV:
770 case GTA02v6_SYSTEM_REV:
771 bq27000_battery_device.dev.parent = parent_device;
772 platform_device_register(&bq27000_battery_device);
773 break;
774 default:
775 break;
776 }
777 }
778
779 static void gta02_hdq_gpio_direction_out(void)
780 {
781 s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT);
782 }
783
784 static void gta02_hdq_gpio_direction_in(void)
785 {
786 s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_INPUT);
787 }
788
789 static void gta02_hdq_gpio_set_value(int val)
790 {
791
792 s3c2410_gpio_setpin(GTA02v5_GPIO_HDQ, val);
793 }
794
795 static int gta02_hdq_gpio_get_value(void)
796 {
797 return s3c2410_gpio_getpin(GTA02v5_GPIO_HDQ);
798 }
799
800 static struct resource gta02_hdq_resources[] = {
801 [0] = {
802 .start = GTA02v5_GPIO_HDQ,
803 .end = GTA02v5_GPIO_HDQ,
804 },
805 };
806
807 struct hdq_platform_data gta02_hdq_platform_data = {
808 .attach_child_devices = gta02_hdq_attach_child_devices,
809 .gpio_dir_out = gta02_hdq_gpio_direction_out,
810 .gpio_dir_in = gta02_hdq_gpio_direction_in,
811 .gpio_set = gta02_hdq_gpio_set_value,
812 .gpio_get = gta02_hdq_gpio_get_value,
813
814 .enable_fiq = gta02_fiq_enable,
815 .disable_fiq = gta02_fiq_disable,
816 .kick_fiq = gta02_fiq_kick,
817
818 };
819
820 struct platform_device gta02_hdq_device = {
821 .name = "hdq",
822 .num_resources = 1,
823 .resource = gta02_hdq_resources,
824 .dev = {
825 .platform_data = &gta02_hdq_platform_data,
826 },
827 };
828 #endif
829
830
831 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
832 /* vibrator (child of FIQ) */
833
834 static struct resource gta02_vibrator_resources[] = {
835 [0] = {
836 .start = GTA02_GPIO_VIBRATOR_ON,
837 .end = GTA02_GPIO_VIBRATOR_ON,
838 },
839 };
840 struct gta02_vib_platform_data gta02_vib_pdata = {
841 .enable_fiq = gta02_fiq_enable,
842 .disable_fiq = gta02_fiq_disable,
843 .kick_fiq = gta02_fiq_kick,
844 };
845
846 static struct platform_device gta02_vibrator_dev = {
847 .name = "gta02-vibrator",
848 .num_resources = ARRAY_SIZE(gta02_vibrator_resources),
849 .resource = gta02_vibrator_resources,
850 .dev = {
851 .platform_data = &gta02_vib_pdata,
852 },
853 };
854 #endif
855
856 /* NOR Flash */
857
858 #define GTA02_FLASH_BASE S3C2410_CS3 /* GCS3 */
859 #define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */
860
861 static struct physmap_flash_data gta02_nor_flash_data = {
862 .width = 2,
863 };
864
865 static struct resource gta02_nor_flash_resource = {
866 .start = GTA02_FLASH_BASE,
867 .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
868 .flags = IORESOURCE_MEM,
869 };
870
871 static struct platform_device gta02_nor_flash = {
872 .name = "physmap-flash",
873 .id = 0,
874 .dev = {
875 .platform_data = &gta02_nor_flash_data,
876 },
877 .resource = &gta02_nor_flash_resource,
878 .num_resources = 1,
879 };
880
881
882 struct platform_device s3c24xx_pwm_device = {
883 .name = "s3c24xx_pwm",
884 .num_resources = 0,
885 };
886
887 static struct i2c_board_info gta02_i2c_devs[] __initdata = {
888 {
889 I2C_BOARD_INFO("pcf50633", 0x73),
890 .irq = GTA02_IRQ_PCF50633,
891 .platform_data = &gta02_pcf_pdata,
892 },
893 {
894 I2C_BOARD_INFO("wm8753", 0x1a),
895 },
896 };
897
898 static struct s3c2410_nand_set gta02_nand_sets[] = {
899 [0] = {
900 .name = "neo1973-nand",
901 .nr_chips = 1,
902 .flags = S3C2410_NAND_BBT,
903 },
904 };
905
906 /* choose a set of timings derived from S3C@2442B MCP54
907 * data sheet (K5D2G13ACM-D075 MCP Memory)
908 */
909
910 static struct s3c2410_platform_nand gta02_nand_info = {
911 .tacls = 0,
912 .twrph0 = 25,
913 .twrph1 = 15,
914 .nr_sets = ARRAY_SIZE(gta02_nand_sets),
915 .sets = gta02_nand_sets,
916 .software_ecc = 1,
917 };
918
919
920 static void gta02_s3c_mmc_set_power(unsigned char power_mode,
921 unsigned short vdd)
922 {
923 static int is_on = -1;
924 int on;
925
926 on = power_mode == MMC_POWER_ON || power_mode == MMC_POWER_UP;
927 if (is_on != on)
928 gta02_wlan_reset(!on);
929 is_on = on;
930 }
931
932
933 static struct s3c24xx_mci_pdata gta02_s3c_mmc_cfg = {
934 .set_power = gta02_s3c_mmc_set_power,
935 };
936
937 static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
938 {
939 switch (cmd) {
940 case S3C2410_UDC_P_ENABLE:
941 printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__);
942 s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 1);
943 break;
944 case S3C2410_UDC_P_DISABLE:
945 printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__);
946 s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 0);
947 break;
948 case S3C2410_UDC_P_RESET:
949 printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__);
950 /* FIXME! */
951 break;
952 default:
953 break;
954 }
955 }
956
957 /* get PMU to set USB current limit accordingly */
958
959 static struct s3c2410_udc_mach_info gta02_udc_cfg = {
960 .vbus_draw = gta02_udc_vbus_draw,
961 .udc_command = gta02_udc_command,
962 /* .get_vbus_status = gta02_udc_vbus_status,*/
963 };
964
965
966 /* Touchscreen configuration. */
967
968 #ifdef CONFIG_TOUCHSCREEN_FILTER
969 const static struct ts_filter_group_configuration gta02_ts_group = {
970 .length = 12,
971 .close_enough = 10,
972 .threshold = 6, /* At least half of the points in a group. */
973 .attempts = 10,
974 };
975
976 const static struct ts_filter_median_configuration gta02_ts_median = {
977 .extent = 20,
978 .decimation_below = 3,
979 .decimation_threshold = 8 * 3,
980 .decimation_above = 4,
981 };
982
983 const static struct ts_filter_mean_configuration gta02_ts_mean = {
984 .length = 4,
985 };
986
987 const static struct ts_filter_linear_configuration gta02_ts_linear = {
988 .constants = {1, 0, 0, 0, 1, 0, 1}, /* Don't modify coords. */
989 .coord0 = 0,
990 .coord1 = 1,
991 };
992 #endif
993
994 const static struct ts_filter_chain_configuration gta02_filter_configuration[] =
995 {
996 #ifdef CONFIG_TOUCHSCREEN_FILTER
997 {&ts_filter_group_api, &gta02_ts_group.config},
998 {&ts_filter_median_api, &gta02_ts_median.config},
999 {&ts_filter_mean_api, &gta02_ts_mean.config},
1000 {&ts_filter_linear_api, &gta02_ts_linear.config},
1001 #endif
1002 {NULL, NULL},
1003 };
1004
1005 const static struct s3c2410_ts_mach_info gta02_ts_cfg = {
1006 .delay = 10000,
1007 .presc = 0xff, /* slow as we can go */
1008 .filter_config = gta02_filter_configuration,
1009 };
1010
1011
1012
1013 static void gta02_bl_set_intensity(int intensity)
1014 {
1015 struct pcf50633 *pcf = gta02_pcf;
1016 int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1017 int ret;
1018
1019 intensity >>= 2;
1020
1021 /*
1022 * One code path that leads here is from a kernel panic. Trying to turn
1023 * the backlight on just gives us a nearly endless stream of complaints
1024 * and accomplishes nothing. We can't win. Just give up.
1025 *
1026 * In the unlikely event that there's another path leading here while
1027 * we're atomic, we print at least a warning.
1028 */
1029 if (in_atomic()) {
1030 printk(KERN_ERR
1031 "gta02_bl_set_intensity called while atomic\n");
1032 return;
1033 }
1034
1035 if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
1036 old_intensity = 0;
1037 else
1038 old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1039
1040 if (intensity == old_intensity)
1041 return;
1042
1043 /* We can't do this anywhere else */
1044 pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
1045
1046 /*
1047 * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
1048 * if seen, you have to re-enable the LED unit
1049 */
1050 if (!intensity || !old_intensity)
1051 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
1052
1053 if (!intensity) /* illegal to set LEDOUT to 0 */
1054 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1055 2);
1056 else
1057 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1058 intensity);
1059
1060 if (intensity)
1061 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
1062
1063 }
1064
1065 static struct generic_bl_info gta02_bl_info = {
1066 .name = "gta02-bl",
1067 .max_intensity = 0xff,
1068 .default_intensity = 0xff,
1069 .set_bl_intensity = gta02_bl_set_intensity,
1070 };
1071
1072 static struct platform_device gta02_bl_dev = {
1073 .name = "generic-bl",
1074 .id = 1,
1075 .dev = {
1076 .platform_data = &gta02_bl_info,
1077 },
1078 };
1079
1080 /* SPI: LCM control interface attached to Glamo3362 */
1081
1082 static void gta02_jbt6k74_reset(int devidx, int level)
1083 {
1084 gpio_set_value(GTA02_GPIO_GLAMO(4), level);
1085 }
1086
1087 static void gta02_jbt6k74_probe_completed(struct device *dev)
1088 {
1089 struct pcf50633 *pcf = gta02_pcf;
1090
1091 /* Switch on backlight. Qi does not do it for us */
1092 pcf50633_reg_write(pcf, PCF50633_REG_LEDOUT, 0x01);
1093 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x00);
1094 pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 0x01);
1095 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
1096
1097 gta02_bl_dev.dev.parent = dev;
1098 platform_device_register(&gta02_bl_dev);
1099 }
1100
1101 const struct jbt6k74_platform_data jbt6k74_pdata = {
1102 .reset = gta02_jbt6k74_reset,
1103 .probe_completed = gta02_jbt6k74_probe_completed,
1104 };
1105
1106 /*----------- SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1107
1108 void gta02_lis302dl_suspend_io(struct lis302dl_info *lis, int resume)
1109 {
1110 struct lis302dl_platform_data *pdata = lis->pdata;
1111
1112 if (!resume) {
1113 /*
1114 * we don't want to power them with a high level
1115 * because GSENSOR_3V3 is not up during suspend
1116 */
1117 s3c2410_gpio_setpin(pdata->pin_chip_select, 0);
1118 s3c2410_gpio_setpin(pdata->pin_clk, 0);
1119 s3c2410_gpio_setpin(pdata->pin_mosi, 0);
1120 /* misnomer: it is a pullDOWN in 2442 */
1121 s3c2410_gpio_pullup(pdata->pin_miso, 1);
1122 return;
1123 }
1124
1125 /* back to normal */
1126 s3c2410_gpio_setpin(pdata->pin_chip_select, 1);
1127 s3c2410_gpio_setpin(pdata->pin_clk, 1);
1128 /* misnomer: it is a pullDOWN in 2442 */
1129 s3c2410_gpio_pullup(pdata->pin_miso, 0);
1130
1131 s3c2410_gpio_cfgpin(pdata->pin_chip_select, S3C2410_GPIO_OUTPUT);
1132 s3c2410_gpio_cfgpin(pdata->pin_clk, S3C2410_GPIO_OUTPUT);
1133 s3c2410_gpio_cfgpin(pdata->pin_mosi, S3C2410_GPIO_OUTPUT);
1134 s3c2410_gpio_cfgpin(pdata->pin_miso, S3C2410_GPIO_INPUT);
1135
1136 }
1137
1138 struct lis302dl_platform_data lis302_pdata_top = {
1139 .name = "lis302-1 (top)",
1140 .pin_chip_select= S3C2410_GPD12,
1141 .pin_clk = S3C2410_GPG7,
1142 .pin_mosi = S3C2410_GPG6,
1143 .pin_miso = S3C2410_GPG5,
1144 .interrupt = GTA02_IRQ_GSENSOR_1,
1145 .open_drain = 1, /* altered at runtime by PCB rev */
1146 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1147 };
1148
1149 struct lis302dl_platform_data lis302_pdata_bottom = {
1150 .name = "lis302-2 (bottom)",
1151 .pin_chip_select= S3C2410_GPD13,
1152 .pin_clk = S3C2410_GPG7,
1153 .pin_mosi = S3C2410_GPG6,
1154 .pin_miso = S3C2410_GPG5,
1155 .interrupt = GTA02_IRQ_GSENSOR_2,
1156 .open_drain = 1, /* altered at runtime by PCB rev */
1157 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1158 };
1159
1160 static struct spi_board_info gta02_spi_board_info[] = {
1161 {
1162 .modalias = "jbt6k74",
1163 .platform_data = &jbt6k74_pdata,
1164 .controller_data = (void*)GTA02_GPIO_GLAMO(12),
1165 /* irq */
1166 .max_speed_hz = 100 * 1000,
1167 .bus_num = 2,
1168 .chip_select = 0
1169 },
1170 {
1171 .modalias = "lis302dl",
1172 /* platform_data */
1173 .platform_data = &lis302_pdata_top,
1174 /* controller_data */
1175 /* irq */
1176 .max_speed_hz = 100 * 1000,
1177 .bus_num = 3,
1178 .chip_select = 0,
1179 },
1180
1181 {
1182 .modalias = "lis302dl",
1183 /* platform_data */
1184 .platform_data = &lis302_pdata_bottom,
1185 /* controller_data */
1186 /* irq */
1187 .max_speed_hz = 100 * 1000,
1188 .bus_num = 3,
1189 .chip_select = 1,
1190 },
1191
1192 };
1193
1194 static void gta02_lis302_chip_select(struct s3c2410_spigpio_info *info, int csid, int cs)
1195 {
1196
1197 /*
1198 * Huh... "quirk"... CS on this device is not really "CS" like you can
1199 * expect.
1200 *
1201 * When it is 0 it selects SPI interface mode.
1202 * When it is 1 it selects I2C interface mode.
1203 *
1204 * Because we have 2 devices on one interface we have to make sure
1205 * that the "disabled" device (actually in I2C mode) don't think we're
1206 * talking to it.
1207 *
1208 * When we talk to the "enabled" device, the "disabled" device sees
1209 * the clocks as I2C clocks, creating havoc.
1210 *
1211 * I2C sees MOSI going LOW while CLK HIGH as a START action, thus we
1212 * must ensure this is never issued.
1213 */
1214
1215 int cs_gpio, other_cs_gpio;
1216
1217 cs_gpio = csid ? S3C2410_GPD13 : S3C2410_GPD12;
1218 other_cs_gpio = (1 - csid) ? S3C2410_GPD13 : S3C2410_GPD12;
1219
1220
1221 if (cs == BITBANG_CS_ACTIVE) {
1222 s3c2410_gpio_setpin(other_cs_gpio, 1);
1223 s3c2410_gpio_setpin(cs_gpio, 1);
1224 s3c2410_gpio_setpin(info->pin_clk, 1);
1225 s3c2410_gpio_setpin(cs_gpio, 0);
1226 } else {
1227 s3c2410_gpio_setpin(cs_gpio, 1);
1228 s3c2410_gpio_setpin(other_cs_gpio, 1);
1229 }
1230 }
1231
1232 static struct s3c2410_spigpio_info gta02_spigpio_cfg = {
1233 .pin_clk = S3C2410_GPG7,
1234 .pin_mosi = S3C2410_GPG6,
1235 .pin_miso = S3C2410_GPG5,
1236 .bus_num = 3,
1237 .num_chipselect = 2,
1238 .chip_select = gta02_lis302_chip_select,
1239 .non_blocking_transfer = 1,
1240 };
1241
1242 static struct platform_device gta02_spi_gpio_dev = {
1243 .name = "spi_s3c24xx_gpio",
1244 .dev = {
1245 .platform_data = &gta02_spigpio_cfg,
1246 },
1247 };
1248
1249 /*----------- / SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1250
1251 static struct gpio_led gta02_gpio_leds[] = {
1252 {
1253 .name = "gta02-power:orange",
1254 .gpio = GTA02_GPIO_PWR_LED1,
1255 }, {
1256 .name = "gta02-power:blue",
1257 .gpio = GTA02_GPIO_PWR_LED2,
1258 }, {
1259 .name = "gta02-aux:red",
1260 .gpio = GTA02_GPIO_AUX_LED,
1261 },
1262 };
1263
1264 static struct gpio_led_platform_data gta02_gpio_leds_pdata = {
1265 .leds = gta02_gpio_leds,
1266 .num_leds = ARRAY_SIZE(gta02_gpio_leds),
1267 };
1268
1269 struct platform_device gta02_led_dev = {
1270 .name = "leds-gpio",
1271 .id = -1,
1272 .dev = {
1273 .platform_data = &gta02_gpio_leds_pdata,
1274 },
1275 };
1276
1277 static struct gpio_keys_button gta02_buttons[] = {
1278 {
1279 .gpio = GTA02_GPIO_AUX_KEY,
1280 .code = KEY_PHONE,
1281 .desc = "Aux",
1282 .type = EV_KEY,
1283 },
1284 {
1285 .gpio = GTA02_GPIO_HOLD_KEY,
1286 .code = KEY_PAUSE,
1287 .desc = "Hold",
1288 .type = EV_KEY,
1289 },
1290 };
1291
1292 static struct gpio_keys_platform_data gta02_buttons_pdata = {
1293 .buttons = gta02_buttons,
1294 .nbuttons = ARRAY_SIZE(gta02_buttons),
1295 };
1296
1297 static struct platform_device gta02_button_dev = {
1298 .name = "gpio-keys",
1299 .id = -1,
1300 .dev = {
1301 .platform_data = &gta02_buttons_pdata,
1302 },
1303 };
1304
1305 static struct platform_device gta02_pm_usbhost_dev = {
1306 .name = "gta02-pm-host",
1307 };
1308
1309 /* USB */
1310 static struct s3c2410_hcd_info gta02_usb_info = {
1311 .port[0] = {
1312 .flags = S3C_HCDFLG_USED,
1313 },
1314 .port[1] = {
1315 .flags = 0,
1316 },
1317 };
1318
1319 static int glamo_irq_is_wired(void)
1320 {
1321 int rc;
1322 int count = 0;
1323
1324 /*
1325 * GTA02 S-Media IRQs prior to A5 are broken due to a lack of
1326 * a pullup on the INT# line. Check for the bad behaviour.
1327 */
1328 s3c2410_gpio_setpin(S3C2410_GPG4, 0);
1329 s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_OUTP);
1330 s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_INP);
1331 /*
1332 * we force it low ourselves for a moment and resume being input.
1333 * If there is a pullup, it won't stay low for long. But if the
1334 * level converter is there as on < A5 revision, the weak keeper
1335 * on the input of the LC will hold the line low indefinitiely
1336 */
1337 do
1338 rc = s3c2410_gpio_getpin(S3C2410_GPG4);
1339 while ((!rc) && ((count++) < 10));
1340 if (rc) { /* it got pulled back up, it's good */
1341 printk(KERN_INFO "Detected S-Media IRQ# pullup, "
1342 "enabling interrupt\n");
1343 return 0;
1344 } else /* Gah we can't work with this level converter */
1345 printk(KERN_WARNING "** Detected bad IRQ# circuit found"
1346 " on pre-A5 GTA02: S-Media interrupt disabled **\n");
1347 return -ENODEV;
1348 }
1349
1350 /* Smedia Glamo 3362 */
1351
1352 /*
1353 * we crank down SD Card clock dynamically when GPS is powered
1354 */
1355
1356 static int gta02_glamo_mci_use_slow(void)
1357 {
1358 return gta02_pm_gps_is_on();
1359 }
1360
1361 static void gta02_glamo_external_reset(int level)
1362 {
1363 s3c2410_gpio_setpin(GTA02_GPIO_3D_RESET, level);
1364 s3c2410_gpio_cfgpin(GTA02_GPIO_3D_RESET, S3C2410_GPIO_OUTPUT);
1365 }
1366
1367 /*
1368 static struct fb_videomode gta02_glamo_modes[] = {
1369 {
1370 .name = "480x640",
1371 .xres = 480,
1372 .yres = 640,
1373 .pixclock = 40816,
1374 .left_margin = 8,
1375 .right_margin = 63,
1376 .upper_margin = 2,
1377 .lower_margin = 4,
1378 .hsync_len = 8,
1379 .vsync_len = 2,
1380 .vmode = FB_VMODE_NONINTERLACED,
1381 }, {
1382 .name = "240x320",
1383 .xres = 240,
1384 .yres = 320,
1385 .pixclock = 40816,
1386 .left_margin = 8,
1387 .right_margin = 88,
1388 .upper_margin = 2,
1389 .lower_margin = 2,
1390 .hsync_len = 8,
1391 .vsync_len = 2,
1392 .vmode = FB_VMODE_NONINTERLACED,
1393 }
1394 };*/
1395
1396 static struct fb_videomode gta02_glamo_modes[] = {
1397 {
1398 .name = "480x640",
1399 .xres = 480,
1400 .yres = 640,
1401 .pixclock = 40816,
1402 .left_margin = 8,
1403 .right_margin = 16,
1404 .upper_margin = 2,
1405 .lower_margin = 16,
1406 .hsync_len = 8,
1407 .vsync_len = 2,
1408 .vmode = FB_VMODE_NONINTERLACED,
1409 }, {
1410 .name = "240x320",
1411 .xres = 240,
1412 .yres = 320,
1413 .pixclock = 40816,
1414 .left_margin = 8,
1415 .right_margin = 16,
1416 .upper_margin = 2,
1417 .lower_margin = 16,
1418 .hsync_len = 8,
1419 .vsync_len = 2,
1420 .vmode = FB_VMODE_NONINTERLACED,
1421 }
1422 };
1423
1424
1425 static struct glamo_fb_platform_data gta02_glamo_fb_pdata = {
1426 .width = 43,
1427 .height = 58,
1428
1429 .num_modes = ARRAY_SIZE(gta02_glamo_modes),
1430 .modes = gta02_glamo_modes,
1431 };
1432
1433 static struct glamo_mmc_platform_data gta02_glamo_mmc_pdata = {
1434 .glamo_mmc_use_slow = gta02_glamo_mci_use_slow,
1435 };
1436
1437 static struct glamo_platform_data gta02_glamo_pdata = {
1438 .fb_data = &gta02_glamo_fb_pdata,
1439 .mmc_data = &gta02_glamo_mmc_pdata,
1440 .gpio_base = GTA02_GPIO_GLAMO_BASE,
1441
1442 .osci_clock_rate = 32768,
1443
1444 .glamo_irq_is_wired = glamo_irq_is_wired,
1445 .glamo_external_reset = gta02_glamo_external_reset,
1446 };
1447
1448 static struct resource gta02_glamo_resources[] = {
1449 [0] = {
1450 .start = S3C2410_CS1,
1451 .end = S3C2410_CS1 + 0x1000000 - 1,
1452 .flags = IORESOURCE_MEM,
1453 },
1454 [1] = {
1455 .start = GTA02_IRQ_3D,
1456 .end = GTA02_IRQ_3D,
1457 .flags = IORESOURCE_IRQ,
1458 },
1459 [2] = {
1460 .start = GTA02_GPIO_3D_RESET,
1461 .end = GTA02_GPIO_3D_RESET,
1462 },
1463 };
1464
1465 static struct platform_device gta02_glamo_dev = {
1466 .name = "glamo3362",
1467 .num_resources = ARRAY_SIZE(gta02_glamo_resources),
1468 .resource = gta02_glamo_resources,
1469 .dev = {
1470 .platform_data = &gta02_glamo_pdata,
1471 },
1472 };
1473
1474 static void mangle_glamo_res_by_system_rev(void)
1475 {
1476 switch (S3C_SYSTEM_REV_ATAG) {
1477 case GTA02v1_SYSTEM_REV:
1478 break;
1479 default:
1480 gta02_glamo_resources[2].start = GTA02_GPIO_3D_RESET;
1481 gta02_glamo_resources[2].end = GTA02_GPIO_3D_RESET;
1482 break;
1483 }
1484
1485 switch (S3C_SYSTEM_REV_ATAG) {
1486 case GTA02v1_SYSTEM_REV:
1487 case GTA02v2_SYSTEM_REV:
1488 case GTA02v3_SYSTEM_REV:
1489 /* case GTA02v4_SYSTEM_REV: - FIXME: handle this later */
1490 /* The hardware is missing a pull-up resistor and thus can't
1491 * support the Smedia Glamo IRQ */
1492 gta02_glamo_resources[1].start = 0;
1493 gta02_glamo_resources[1].end = 0;
1494 break;
1495 }
1496 }
1497
1498 struct spi_gpio_platform_data spigpio_platform_data = {
1499 .sck = GTA02_GPIO_GLAMO(10),
1500 .mosi = GTA02_GPIO_GLAMO(11),
1501 .miso = GTA02_GPIO_GLAMO(5),
1502 .num_chipselect = 1,
1503 };
1504
1505 static struct platform_device spigpio_device = {
1506 .name = "spi_gpio",
1507 .id = 2,
1508 .dev = {
1509 .platform_data = &spigpio_platform_data,
1510 .parent = &gta02_glamo_dev.dev,
1511 },
1512 };
1513
1514 static void __init gta02_map_io(void)
1515 {
1516 s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
1517 s3c24xx_init_clocks(12000000);
1518 s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
1519 }
1520
1521 static irqreturn_t gta02_modem_irq(int irq, void *param)
1522 {
1523 /* printk(KERN_DEBUG "modem wakeup interrupt\n");*/
1524 gta_gsm_interrupts++;
1525 return IRQ_HANDLED;
1526 }
1527
1528 static irqreturn_t ar6000_wow_irq(int irq, void *param)
1529 {
1530 /* printk(KERN_DEBUG "ar6000_wow interrupt\n");*/
1531 return IRQ_HANDLED;
1532 }
1533
1534 /*
1535 * hardware_ecc=1|0
1536 */
1537 static char hardware_ecc_str[4] __initdata = "";
1538
1539 static int __init hardware_ecc_setup(char *str)
1540 {
1541 if (str)
1542 strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str));
1543 return 1;
1544 }
1545
1546 __setup("hardware_ecc=", hardware_ecc_setup);
1547
1548 /* these are the guys that don't need to be children of PMU */
1549
1550 static struct platform_device *gta02_devices[] __initdata = {
1551 &s3c_device_usb,
1552 &s3c_device_wdt,
1553 &s3c_device_sdi,
1554 &s3c_device_usbgadget,
1555 &s3c_device_nand,
1556 &gta02_nor_flash,
1557
1558 &s3c24xx_pwm_device,
1559 &gta02_led_dev,
1560 &gta02_pm_wlan_dev, /* not dependent on PMU */
1561 &s3c_device_iis,
1562 &s3c_device_i2c0,
1563 };
1564
1565 /* these guys DO need to be children of PMU */
1566
1567 static struct platform_device *gta02_devices_pmu_children[] = {
1568 &s3c_device_ts, /* input 1 */
1569 &gta02_pm_gsm_dev,
1570 &gta02_pm_usbhost_dev,
1571 &gta02_spi_gpio_dev, /* input 2 and 3 */
1572 &gta02_button_dev, /* input 4 */
1573 &gta02_resume_reason_device,
1574 };
1575
1576 static void gta02_register_glamo(void)
1577 {
1578 platform_device_register(&gta02_glamo_dev);
1579 if (gpio_request(GTA02_GPIO_GLAMO(4), "jbt6k74 reset"))
1580 printk("gta02: Failed to request jbt6k74 reset pin\n");
1581 if (gpio_direction_output(GTA02_GPIO_GLAMO(4), 1))
1582 printk("gta02: Failed to configure jbt6k74 reset pin\n");
1583 platform_device_register(&spigpio_device);
1584 }
1585
1586 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id)
1587 {
1588 struct platform_device *regulator, *pdev;
1589
1590 gta02_pcf = pcf;
1591
1592 regulator = pcf->regulator_pdev[id];
1593
1594 switch(id) {
1595 case PCF50633_REGULATOR_LDO4:
1596 pdev = &gta02_pm_bt_dev;
1597 break;
1598 case PCF50633_REGULATOR_LDO5:
1599 pdev = &gta02_pm_gps_dev;
1600 break;
1601 case PCF50633_REGULATOR_HCLDO:
1602 gta02_register_glamo();
1603 return;
1604 default:
1605 return;
1606 }
1607
1608 pdev->dev.parent = &regulator->dev;
1609 platform_device_register(pdev);
1610 }
1611
1612 /* this is called when pc50633 is probed, unfortunately quite late in the
1613 * day since it is an I2C bus device. Here we can belatedly define some
1614 * platform devices with the advantage that we can mark the pcf50633 as the
1615 * parent. This makes them get suspended and resumed with their parent
1616 * the pcf50633 still around.
1617 */
1618
1619 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
1620 {
1621 int n;
1622
1623 for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
1624 gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
1625
1626 mangle_glamo_res_by_system_rev();
1627 platform_add_devices(gta02_devices_pmu_children,
1628 ARRAY_SIZE(gta02_devices_pmu_children));
1629
1630 regulator_has_full_constraints();
1631 }
1632
1633 static void gta02_poweroff(void)
1634 {
1635 pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN,
1636 PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
1637 }
1638
1639 static void __init gta02_machine_init(void)
1640 {
1641 int rc;
1642
1643 /* set the panic callback to make AUX blink fast */
1644 panic_blink = gta02_panic_blink;
1645
1646 switch (S3C_SYSTEM_REV_ATAG) {
1647 case GTA02v6_SYSTEM_REV:
1648 /* we need push-pull interrupt from motion sensors */
1649 lis302_pdata_top.open_drain = 0;
1650 lis302_pdata_bottom.open_drain = 0;
1651 break;
1652 default:
1653 break;
1654 }
1655
1656 spin_lock_init(&motion_irq_lock);
1657
1658 #ifdef CONFIG_CHARGER_PCF50633
1659 INIT_DELAYED_WORK(&gta02_charger_work, gta02_charger_worker);
1660 #endif
1661
1662 /* Glamo chip select optimization */
1663 /* *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */
1664
1665 /* do not force soft ecc if we are asked to use hardware_ecc */
1666 if (hardware_ecc_str[0] == '1')
1667 gta02_nand_info.software_ecc = 0;
1668
1669 s3c_device_usb.dev.platform_data = &gta02_usb_info;
1670 s3c_device_nand.dev.platform_data = &gta02_nand_info;
1671 s3c_device_sdi.dev.platform_data = &gta02_s3c_mmc_cfg;
1672
1673 /* acc sensor chip selects */
1674 s3c2410_gpio_setpin(S3C2410_GPD12, 1);
1675 s3c2410_gpio_cfgpin(S3C2410_GPD12, S3C2410_GPIO_OUTPUT);
1676 s3c2410_gpio_setpin(S3C2410_GPD13, 1);
1677 s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPIO_OUTPUT);
1678
1679
1680 s3c24xx_udc_set_platdata(&gta02_udc_cfg);
1681 s3c_i2c0_set_platdata(NULL);
1682 set_s3c2410ts_info(&gta02_ts_cfg);
1683
1684 mangle_glamo_res_by_system_rev();
1685
1686 i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
1687 spi_register_board_info(gta02_spi_board_info,
1688 ARRAY_SIZE(gta02_spi_board_info));
1689
1690 #ifdef CONFIG_CHARGER_PCF50633
1691 mangle_pmu_pdata_by_system_rev();
1692 #endif
1693
1694 platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
1695
1696 s3c_pm_init();
1697
1698 /* Make sure the modem can wake us up */
1699 set_irq_type(GTA02_IRQ_MODEM, IRQ_TYPE_EDGE_RISING);
1700 rc = request_irq(GTA02_IRQ_MODEM, gta02_modem_irq, IRQF_DISABLED,
1701 "modem", NULL);
1702 if (rc < 0)
1703 printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n");
1704 enable_irq_wake(GTA02_IRQ_MODEM);
1705
1706 /* Make sure the wifi module can wake us up*/
1707 set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQ_TYPE_EDGE_RISING);
1708 rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED,
1709 "ar6000", NULL);
1710
1711 if (rc < 0)
1712 printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n");
1713 enable_irq_wake(GTA02_IRQ_WLAN_GPIO1);
1714
1715 pm_power_off = gta02_poweroff;
1716
1717 /* Register the HDQ and vibrator as children of pwm device */
1718 #ifdef CONFIG_HDQ_GPIO_BITBANG
1719 gta02_hdq_device.dev.parent = &s3c24xx_pwm_device.dev;
1720 platform_device_register(&gta02_hdq_device);
1721 #endif
1722 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
1723 gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev;
1724 platform_device_register(&gta02_vibrator_dev);
1725 #endif
1726 }
1727
1728 void DEBUG_LED(int n)
1729 {
1730 switch (n) {
1731 case 0:
1732 s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED1, 1);
1733 break;
1734 case 1:
1735 s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED2, 1);
1736 break;
1737 default:
1738 s3c2410_gpio_setpin(GTA02_GPIO_AUX_LED, 1);
1739 break;
1740 }
1741 }
1742 EXPORT_SYMBOL_GPL(DEBUG_LED);
1743
1744 MACHINE_START(NEO1973_GTA02, "GTA02")
1745 .phys_io = S3C2410_PA_UART,
1746 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
1747 .boot_params = S3C2410_SDRAM_PA + 0x100,
1748 .map_io = gta02_map_io,
1749 .init_irq = s3c24xx_init_irq,
1750 .init_machine = gta02_machine_init,
1751 .timer = &s3c24xx_timer,
1752 MACHINE_END
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