projects / openwrt / svn-archive / archive.git / blob
? search:


3ae2a81238f3d5ce80aead58f6c9a0c766f3f4f4
[openwrt/svn-archive/archive.git] / target / linux / s3c24xx / files-2.6.30 / arch / arm / mach-s3c2442 / mach-gta02.c
1 /*
2 * linux/arch/arm/mach-s3c2442/mach-gta02.c
3 *
4 * S3C2442 Machine Support for the Openmoko Freerunner (GTA02)
5 *
6 * Copyright (C) 2006-2007 by Openmoko, Inc.
7 * Author: Harald Welte <laforge@openmoko.org>
8 * All rights reserved.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 * MA 02111-1307 USA
24 *
25 */
26
27 #include <linux/kernel.h>
28 #include <linux/types.h>
29 #include <linux/interrupt.h>
30 #include <linux/list.h>
31 #include <linux/delay.h>
32 #include <linux/timer.h>
33 #include <linux/init.h>
34 #include <linux/workqueue.h>
35 #include <linux/platform_device.h>
36 #include <linux/serial_core.h>
37 #include <linux/spi/spi.h>
38 #include <linux/spi/glamo.h>
39 #include <linux/spi/spi_bitbang.h>
40 #include <linux/mmc/host.h>
41
42 #include <linux/mtd/mtd.h>
43 #include <linux/mtd/nand.h>
44 #include <linux/mtd/nand_ecc.h>
45 #include <linux/mtd/partitions.h>
46 #include <linux/mtd/physmap.h>
47
48 #include <linux/i2c.h>
49 #include <linux/backlight.h>
50 #include <linux/regulator/machine.h>
51
52 #include <linux/mfd/pcf50633/core.h>
53 #include <linux/mfd/pcf50633/mbc.h>
54 #include <linux/mfd/pcf50633/adc.h>
55 #include <linux/mfd/pcf50633/gpio.h>
56 #include <linux/mfd/pcf50633/pmic.h>
57
58 #include <linux/lis302dl.h>
59
60 #include <asm/mach/arch.h>
61 #include <asm/mach/map.h>
62 #include <asm/mach/irq.h>
63
64 #include <mach/hardware.h>
65 #include <mach/io.h>
66 #include <asm/irq.h>
67 #include <asm/mach-types.h>
68
69 #include <mach/regs-irq.h>
70 #include <mach/regs-gpio.h>
71 #include <mach/regs-gpioj.h>
72 #include <mach/fb.h>
73 #include <mach/mci.h>
74 #include <mach/ts.h>
75 #include <mach/spi.h>
76 #include <mach/spi-gpio.h>
77 #include <mach/regs-mem.h>
78 #include <mach/spi-gpio.h>
79 #include <plat/pwm.h>
80 #include <mach/cpu.h>
81
82 #include <mach/gta02.h>
83
84 #include <plat/regs-serial.h>
85 #include <plat/nand.h>
86 #include <plat/devs.h>
87 #include <plat/cpu.h>
88 #include <plat/pm.h>
89 #include <plat/udc.h>
90 #include <plat/iic.h>
91 #include <plat/usb-control.h>
92 #include <plat/regs-timer.h>
93
94 #include <mach/gta02-pm-gsm.h>
95 #include <mach/gta02-pm-gps.h>
96 #include <mach/gta02-pm-wlan.h>
97
98 #include <linux/jbt6k74.h>
99 #include <linux/glamofb.h>
100
101 #include <linux/hdq.h>
102 #include <linux/bq27000_battery.h>
103
104 #include <linux/touchscreen/ts_filter_chain.h>
105 #ifdef CONFIG_TOUCHSCREEN_FILTER
106 #include <linux/touchscreen/ts_filter_linear.h>
107 #include <linux/touchscreen/ts_filter_mean.h>
108 #include <linux/touchscreen/ts_filter_median.h>
109 #include <linux/touchscreen/ts_filter_group.h>
110 #endif
111
112 #include <asm/fiq.h>
113
114 #include <linux/gta02-vibrator.h>
115 #include <linux/gta02-shadow.h>
116
117 /* arbitrates which sensor IRQ owns the shared SPI bus */
118 static spinlock_t motion_irq_lock;
119
120
121 /* -------------------------------------------------------------------------------
122 * GTA02 FIQ related
123 *
124 * Calls into vibrator and hdq and based on the return values
125 * determines if we the FIQ source be kept alive
126 */
127
128 #define DIVISOR_FROM_US(x) ((x) << 3)
129
130 #ifdef CONFIG_HDQ_GPIO_BITBANG
131 #define FIQ_DIVISOR_HDQ DIVISOR_FROM_US(HDQ_SAMPLE_PERIOD_US)
132 extern int hdq_fiq_handler(void);
133 #endif
134
135 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
136 #define FIQ_DIVISOR_VIBRATOR DIVISOR_FROM_US(100)
137 extern int gta02_vibrator_fiq_handler(void);
138 #endif
139
140 #if defined(CONFIG_LEDS_GTA02_VIBRATOR) || defined(CONFIG_HDQ_GPIO_BITBANG)
141
142 /* Global data related to our fiq source */
143 static u32 gta02_fiq_ack_mask;
144 static struct s3c2410_pwm gta02_fiq_pwm_timer;
145 static u16 gta02_fiq_timer_index;
146 static int gta02_fiq_irq;
147
148 static void gta02_fiq_handler(void)
149 {
150 u16 divisor = 0xffff;
151
152 /* Vibrator servicing */
153
154 /* disable further timer interrupts if nobody has any work
155 * or adjust rate according to who still has work
156 *
157 * CAUTION: it means forground code must disable FIQ around
158 * its own non-atomic S3C2410_INTMSK changes... not common
159 * thankfully and taken care of by the fiq-basis patch
160 */
161
162 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
163 if (gta02_vibrator_fiq_handler())
164 divisor = FIQ_DIVISOR_VIBRATOR;
165 #endif
166
167 #ifdef CONFIG_HDQ_GPIO_BITBANG
168 if (hdq_fiq_handler())
169 divisor = FIQ_DIVISOR_HDQ;
170 #endif
171
172 if (divisor == 0xffff) /* mask the fiq irq source */
173 __raw_writel(__raw_readl(S3C2410_INTMSK) | gta02_fiq_ack_mask,
174 S3C2410_INTMSK);
175 else /* still working, maybe at a different rate */
176 __raw_writel(divisor, S3C2410_TCNTB(gta02_fiq_timer_index));
177
178 __raw_writel(gta02_fiq_ack_mask, S3C2410_SRCPND);
179 }
180
181 static void gta02_fiq_kick(void)
182 {
183 unsigned long flags;
184 u32 tcon;
185
186 /* we have to take care about FIQ because this modification is
187 * non-atomic, FIQ could come in after the read and before the
188 * writeback and its changes to the register would be lost
189 * (platform INTMSK mod code is taken care of already)
190 */
191 local_save_flags(flags);
192 local_fiq_disable();
193 /* allow FIQs to resume */
194 __raw_writel(__raw_readl(S3C2410_INTMSK) &
195 ~(1 << (gta02_fiq_irq - S3C2410_CPUIRQ_OFFSET)),
196 S3C2410_INTMSK);
197 tcon = __raw_readl(S3C2410_TCON) & ~S3C2410_TCON_T3START;
198 /* fake the timer to a count of 1 */
199 __raw_writel(1, S3C2410_TCNTB(gta02_fiq_timer_index));
200 __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD, S3C2410_TCON);
201 __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD | S3C2410_TCON_T3START,
202 S3C2410_TCON);
203 __raw_writel(tcon | S3C2410_TCON_T3START, S3C2410_TCON);
204 local_irq_restore(flags);
205 }
206
207 static int gta02_fiq_enable(void)
208 {
209 int irq_index_fiq = IRQ_TIMER3;
210 int rc = 0;
211
212 local_fiq_disable();
213
214 gta02_fiq_irq = irq_index_fiq;
215 gta02_fiq_ack_mask = 1 << (irq_index_fiq - S3C2410_CPUIRQ_OFFSET);
216 gta02_fiq_timer_index = (irq_index_fiq - IRQ_TIMER0);
217
218 /* set up the timer to operate as a pwm device */
219
220 rc = s3c2410_pwm_init(&gta02_fiq_pwm_timer);
221 if (rc)
222 goto bail;
223
224 gta02_fiq_pwm_timer.timerid = PWM0 + gta02_fiq_timer_index;
225 gta02_fiq_pwm_timer.prescaler = (6 - 1) / 2;
226 gta02_fiq_pwm_timer.divider = S3C2410_TCFG1_MUX3_DIV2;
227 /* default rate == ~32us */
228 gta02_fiq_pwm_timer.counter = gta02_fiq_pwm_timer.comparer = 3000;
229
230 rc = s3c2410_pwm_enable(&gta02_fiq_pwm_timer);
231 if (rc)
232 goto bail;
233
234 s3c2410_pwm_start(&gta02_fiq_pwm_timer);
235
236 /* let our selected interrupt be a magic FIQ interrupt */
237 __raw_writel(gta02_fiq_ack_mask, S3C2410_INTMOD);
238
239 /* it's ready to go as soon as we unmask the source in S3C2410_INTMSK */
240 local_fiq_enable();
241
242 set_fiq_c_handler(gta02_fiq_handler);
243
244 return 0;
245
246 bail:
247 printk(KERN_ERR "Could not initialize FIQ for GTA02: %d\n", rc);
248
249 return rc;
250 }
251
252 static void gta02_fiq_disable(void)
253 {
254 __raw_writel(0, S3C2410_INTMOD);
255 local_fiq_disable();
256 gta02_fiq_irq = 0; /* no active source interrupt now either */
257
258 }
259 /* -------------------- /GTA02 FIQ Handler ------------------------------------- */
260
261 #endif
262
263 /*
264 * this gets called every 1ms when we paniced.
265 */
266
267 static long gta02_panic_blink(long count)
268 {
269 long delay = 0;
270 static long last_blink;
271 static char led;
272
273 if (count - last_blink < 100) /* 200ms period, fast blink */
274 return 0;
275
276 led ^= 1;
277 s3c2410_gpio_cfgpin(GTA02_GPIO_AUX_LED, S3C2410_GPIO_OUTPUT);
278 gta02_gpb_setpin(GTA02_GPIO_AUX_LED, led);
279
280 last_blink = count;
281 return delay;
282 }
283
284
285 /**
286 * returns PCB revision information in b9,b8 and b2,b1,b0
287 * Pre-GTA02 A6 returns 0x000
288 * GTA02 A6 returns 0x101
289 * ...
290 */
291
292 int gta02_get_pcb_revision(void)
293 {
294 int n;
295 int u = 0;
296 static unsigned long pinlist[] = {
297 GTA02_PCB_ID1_0,
298 GTA02_PCB_ID1_1,
299 GTA02_PCB_ID1_2,
300 GTA02_PCB_ID2_0,
301 GTA02_PCB_ID2_1,
302 };
303 static int pin_offset[] = {
304 0, 1, 2, 8, 9
305 };
306
307 for (n = 0 ; n < ARRAY_SIZE(pinlist); n++) {
308 /*
309 * set the PCB version GPIO to be pulled-down input
310 * force low briefly first
311 */
312 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
313 s3c2410_gpio_setpin(pinlist[n], 0);
314 /* misnomer: it is a pullDOWN in 2442 */
315 s3c2410_gpio_pullup(pinlist[n], 1);
316 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_INPUT);
317
318 udelay(10);
319
320 if (s3c2410_gpio_getpin(pinlist[n]))
321 u |= 1 << pin_offset[n];
322
323 /*
324 * when not being interrogated, all of the revision GPIO
325 * are set to output HIGH without pulldown so no current flows
326 * if they are NC or pulled up.
327 */
328 s3c2410_gpio_setpin(pinlist[n], 1);
329 s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
330 /* misnomer: it is a pullDOWN in 2442 */
331 s3c2410_gpio_pullup(pinlist[n], 0);
332 }
333
334 return u;
335 }
336
337 struct platform_device gta02_resume_reason_device = {
338 .name = "gta02-resume",
339 .num_resources = 0,
340 };
341
342 static struct map_desc gta02_iodesc[] __initdata = {
343 {
344 .virtual = 0xe0000000,
345 .pfn = __phys_to_pfn(S3C2410_CS3+0x01000000),
346 .length = SZ_1M,
347 .type = MT_DEVICE
348 },
349 };
350
351 #define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN)
352 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
353 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
354
355 static struct s3c2410_uartcfg gta02_uartcfgs[] = {
356 [0] = {
357 .hwport = 0,
358 .flags = 0,
359 .ucon = UCON,
360 .ulcon = ULCON,
361 .ufcon = UFCON,
362 },
363 [1] = {
364 .hwport = 1,
365 .flags = 0,
366 .ucon = UCON,
367 .ulcon = ULCON,
368 .ufcon = UFCON,
369 },
370 [2] = {
371 .hwport = 2,
372 .flags = 0,
373 .ucon = UCON,
374 .ulcon = ULCON,
375 .ufcon = UFCON,
376 },
377
378 };
379
380 struct pcf50633 *gta02_pcf;
381
382 #ifdef CONFIG_CHARGER_PCF50633
383 #ifdef CONFIG_HDQ_GPIO_BITBANG
384 static int gta02_get_charger_online_status(void)
385 {
386 struct pcf50633 *pcf = gta02_pcf;
387
388 return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE;
389 }
390
391 static int gta02_get_charger_active_status(void)
392 {
393 struct pcf50633 *pcf = gta02_pcf;
394
395 return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ACTIVE;
396 }
397 #endif
398
399 #define ADC_NOM_CHG_DETECT_1A 6
400 #define ADC_NOM_CHG_DETECT_USB 43
401
402 static void
403 gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res)
404 {
405 int ma;
406
407 /* Interpret charger type */
408 if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) {
409
410 /* Stop GPO driving out now that we have a IA charger */
411 pcf50633_gpio_set(pcf, PCF50633_GPO, 0);
412
413 ma = 1000;
414 } else
415 ma = 100;
416
417 pcf50633_mbc_usb_curlim_set(pcf, ma);
418 }
419
420 static struct delayed_work gta02_charger_work;
421 static int gta02_usb_vbus_draw;
422
423 static void gta02_charger_worker(struct work_struct *work)
424 {
425 struct pcf50633 *pcf = gta02_pcf;
426
427 if (gta02_usb_vbus_draw) {
428 pcf50633_mbc_usb_curlim_set(pcf, gta02_usb_vbus_draw);
429 return;
430 } else {
431 #ifdef CONFIG_PCF50633_ADC
432 pcf50633_adc_async_read(pcf,
433 PCF50633_ADCC1_MUX_ADCIN1,
434 PCF50633_ADCC1_AVERAGE_16,
435 gta02_configure_pmu_for_charger, NULL);
436 #else
437 /* If the PCF50633 ADC is disabled we fallback to a 100mA limit for safety. */
438 pcf50633_mbc_usb_curlim_set(pcf, 100);
439 #endif
440 return;
441 }
442 }
443
444 #define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000)
445 static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq)
446 {
447 if (irq == PCF50633_IRQ_USBINS) {
448 schedule_delayed_work(&gta02_charger_work,
449 GTA02_CHARGER_CONFIGURE_TIMEOUT);
450 return;
451 } else if (irq == PCF50633_IRQ_USBREM) {
452 cancel_delayed_work_sync(&gta02_charger_work);
453 gta02_usb_vbus_draw = 0;
454 }
455 }
456
457 static void gta02_pmu_force_shutdown(struct pcf50633 *pcf)
458 {
459 pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_OOCSHDWN,
460 PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
461 }
462
463
464 static void gta02_udc_vbus_draw(unsigned int ma)
465 {
466 if (!gta02_pcf)
467 return;
468
469 gta02_usb_vbus_draw = ma;
470
471 schedule_delayed_work(&gta02_charger_work,
472 GTA02_CHARGER_CONFIGURE_TIMEOUT);
473 }
474
475 static int gta02_udc_vbus_status(void)
476 {
477 struct pcf50633 *pcf = gta02_pcf;
478 if (!gta02_pcf)
479 return -ENODEV;
480
481 return !!(pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE);
482 }
483
484 #else /* !CONFIG_CHARGER_PCF50633 */
485 #ifdef CONFIG_HDQ_GPIO_BITBANG
486 #define gta02_get_charger_online_status NULL
487 #define gta02_get_charger_active_status NULL
488 #endif
489 #define gta02_pmu_event_callback NULL
490 #define gta02_udc_vbus_draw NULL
491 #define gta02_udc_vbus_status NULL
492 #endif
493
494
495 static struct platform_device gta02_pm_gps_dev = {
496 .name = "gta02-pm-gps",
497 };
498
499 static struct platform_device gta02_pm_bt_dev = {
500 .name = "gta02-pm-bt",
501 };
502
503 static struct platform_device gta02_pm_gsm_dev = {
504 .name = "gta02-pm-gsm",
505 };
506
507 static struct platform_device gta02_pm_wlan_dev = {
508 .name = "gta02-pm-wlan",
509 };
510
511 /* this is called when pc50633 is probed, unfortunately quite late in the
512 * day since it is an I2C bus device. Here we can belatedly define some
513 * platform devices with the advantage that we can mark the pcf50633 as the
514 * parent. This makes them get suspended and resumed with their parent
515 * the pcf50633 still around.
516 */
517
518 static struct platform_device gta02_glamo_dev;
519 static void mangle_glamo_res_by_system_rev(void);
520
521 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf);
522 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id);
523
524 static struct regulator_consumer_supply ldo4_consumers[] = {
525 {
526 .dev = &gta02_pm_bt_dev.dev,
527 .supply = "BT_3V2",
528 },
529 };
530
531 static struct regulator_consumer_supply ldo5_consumers[] = {
532 {
533 .dev = &gta02_pm_gps_dev.dev,
534 .supply = "RF_3V",
535 },
536 };
537
538 /*
539 * We need this dummy thing to fill the regulator consumers
540 */
541 static struct platform_device gta02_mmc_dev = {
542 /* details filled in by glamo core */
543 };
544
545 static struct regulator_consumer_supply hcldo_consumers[] = {
546 {
547 .dev = &gta02_mmc_dev.dev,
548 .supply = "SD_3V3",
549 },
550 };
551
552 static char *gta02_batteries[] = {
553 "battery",
554 };
555
556 #ifdef CONFIG_CHARGER_PCF50633
557
558 struct pcf50633_platform_data gta02_pcf_pdata = {
559 .resumers = {
560 [0] = PCF50633_INT1_USBINS |
561 PCF50633_INT1_USBREM |
562 PCF50633_INT1_ALARM,
563 [1] = PCF50633_INT2_ONKEYF,
564 [2] = PCF50633_INT3_ONKEY1S,
565 [3] = PCF50633_INT4_LOWSYS |
566 PCF50633_INT4_LOWBAT |
567 PCF50633_INT4_HIGHTMP,
568 },
569
570 .batteries = gta02_batteries,
571 .num_batteries = ARRAY_SIZE(gta02_batteries),
572 .charging_restart_interval = (900 * HZ),
573 .chg_ref_current_ma = 1000,
574
575 .reg_init_data = {
576 [PCF50633_REGULATOR_AUTO] = {
577 .constraints = {
578 .name = "IO_3V3",
579 .min_uV = 3300000,
580 .max_uV = 3300000,
581 .valid_modes_mask = REGULATOR_MODE_NORMAL,
582 .boot_on = 1,
583 .apply_uV = 1,
584 .state_mem = {
585 .enabled = 1,
586 },
587 },
588 .num_consumer_supplies = 0,
589 },
590 [PCF50633_REGULATOR_DOWN1] = {
591 .constraints = {
592 .name = "CORE_1V3",
593 .min_uV = 1300000,
594 .max_uV = 1600000,
595 .valid_modes_mask = REGULATOR_MODE_NORMAL,
596 .boot_on = 1,
597 .apply_uV = 1,
598 },
599 .num_consumer_supplies = 0,
600 },
601 [PCF50633_REGULATOR_DOWN2] = {
602 .constraints = {
603 .name = "IO_1V8",
604 .min_uV = 1800000,
605 .max_uV = 1800000,
606 .valid_modes_mask = REGULATOR_MODE_NORMAL,
607 .apply_uV = 1,
608 .boot_on = 1,
609 .state_mem = {
610 .enabled = 1,
611 },
612 },
613 .num_consumer_supplies = 0,
614 },
615 [PCF50633_REGULATOR_HCLDO] = {
616 .constraints = {
617 .name = "SD_3V3",
618 .min_uV = 2000000,
619 .max_uV = 3300000,
620 .valid_modes_mask = REGULATOR_MODE_NORMAL,
621 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
622 .boot_on = 1,
623 },
624 .num_consumer_supplies = 1,
625 .consumer_supplies = hcldo_consumers,
626 },
627 [PCF50633_REGULATOR_LDO1] = {
628 .constraints = {
629 .name = "GSENSOR_3V3",
630 .min_uV = 1300000,
631 .max_uV = 1300000,
632 .valid_modes_mask = REGULATOR_MODE_NORMAL,
633 .apply_uV = 1,
634 },
635 .num_consumer_supplies = 0,
636 },
637 [PCF50633_REGULATOR_LDO2] = {
638 .constraints = {
639 .name = "CODEC_3V3",
640 .min_uV = 3300000,
641 .max_uV = 3300000,
642 .valid_modes_mask = REGULATOR_MODE_NORMAL,
643 .apply_uV = 1,
644 },
645 .num_consumer_supplies = 0,
646 },
647 [PCF50633_REGULATOR_LDO3] = {
648 .constraints = {
649 .min_uV = 3000000,
650 .max_uV = 3000000,
651 .valid_modes_mask = REGULATOR_MODE_NORMAL,
652 .apply_uV = 1,
653 },
654 .num_consumer_supplies = 0,
655 },
656 [PCF50633_REGULATOR_LDO4] = {
657 .constraints = {
658 .name = "BT_3V2",
659 .min_uV = 3200000,
660 .max_uV = 3200000,
661 .valid_modes_mask = REGULATOR_MODE_NORMAL,
662 .apply_uV = 1,
663 },
664 .num_consumer_supplies = 1,
665 .consumer_supplies = ldo4_consumers,
666 },
667 [PCF50633_REGULATOR_LDO5] = {
668 .constraints = {
669 .name = "RF_3V",
670 .min_uV = 1500000,
671 .max_uV = 1500000,
672 .valid_modes_mask = REGULATOR_MODE_NORMAL,
673 .apply_uV = 1,
674 .state_mem = {
675 .enabled = 1,
676 },
677 },
678 .num_consumer_supplies = 1,
679 .consumer_supplies = ldo5_consumers,
680 },
681 [PCF50633_REGULATOR_LDO6] = {
682 .constraints = {
683 .name = "LCM_3V",
684 .min_uV = 0,
685 .max_uV = 3300000,
686 .valid_modes_mask = REGULATOR_MODE_NORMAL,
687 },
688 .num_consumer_supplies = 0,
689 },
690 [PCF50633_REGULATOR_MEMLDO] = {
691 .constraints = {
692 .min_uV = 1800000,
693 .max_uV = 1800000,
694 .valid_modes_mask = REGULATOR_MODE_NORMAL,
695 .state_mem = {
696 .enabled = 1,
697 },
698 },
699 .num_consumer_supplies = 0,
700 },
701
702 },
703 .probe_done = gta02_pmu_attach_child_devices,
704 .regulator_registered = gta02_pmu_regulator_registered,
705 .mbc_event_callback = gta02_pmu_event_callback,
706 .force_shutdown = gta02_pmu_force_shutdown,
707 };
708
709 static void mangle_pmu_pdata_by_system_rev(void)
710 {
711 struct regulator_init_data *reg_init_data;
712
713 reg_init_data = gta02_pcf_pdata.reg_init_data;
714
715 switch (S3C_SYSTEM_REV_ATAG) {
716 case GTA02v1_SYSTEM_REV:
717 /* FIXME: this is only in v1 due to wrong PMU variant */
718 reg_init_data[PCF50633_REGULATOR_DOWN2]
719 .constraints.state_mem.enabled = 1;
720 break;
721 case GTA02v2_SYSTEM_REV:
722 case GTA02v3_SYSTEM_REV:
723 case GTA02v4_SYSTEM_REV:
724 case GTA02v5_SYSTEM_REV:
725 case GTA02v6_SYSTEM_REV:
726 reg_init_data[PCF50633_REGULATOR_LDO1]
727 .constraints.min_uV = 3300000;
728 reg_init_data[PCF50633_REGULATOR_LDO1]
729 .constraints.min_uV = 3300000;
730 reg_init_data[PCF50633_REGULATOR_LDO1]
731 .constraints.state_mem.enabled = 0;
732
733 reg_init_data[PCF50633_REGULATOR_LDO5]
734 .constraints.min_uV = 3000000;
735 reg_init_data[PCF50633_REGULATOR_LDO5]
736 .constraints.max_uV = 3000000;
737
738 reg_init_data[PCF50633_REGULATOR_LDO6]
739 .constraints.min_uV = 3000000;
740 reg_init_data[PCF50633_REGULATOR_LDO6]
741 .constraints.max_uV = 3000000;
742 reg_init_data[PCF50633_REGULATOR_LDO6]
743 .constraints.apply_uV = 1;
744 break;
745 default:
746 break;
747 }
748 }
749
750 #endif
751
752 #ifdef CONFIG_HDQ_GPIO_BITBANG
753 /* BQ27000 Battery */
754
755 struct bq27000_platform_data bq27000_pdata = {
756 .name = "battery",
757 .rsense_mohms = 20,
758 .hdq_read = hdq_read,
759 .hdq_write = hdq_write,
760 .hdq_initialized = hdq_initialized,
761 .get_charger_online_status = gta02_get_charger_online_status,
762 .get_charger_active_status = gta02_get_charger_active_status
763 };
764
765 struct platform_device bq27000_battery_device = {
766 .name = "bq27000-battery",
767 .dev = {
768 .platform_data = &bq27000_pdata,
769 },
770 };
771
772 /* HDQ */
773
774 static void gta02_hdq_attach_child_devices(struct device *parent_device)
775 {
776 switch (S3C_SYSTEM_REV_ATAG) {
777 case GTA02v5_SYSTEM_REV:
778 case GTA02v6_SYSTEM_REV:
779 bq27000_battery_device.dev.parent = parent_device;
780 platform_device_register(&bq27000_battery_device);
781 break;
782 default:
783 break;
784 }
785 }
786
787 static void gta02_hdq_gpio_direction_out(void)
788 {
789 s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT);
790 }
791
792 static void gta02_hdq_gpio_direction_in(void)
793 {
794 s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_INPUT);
795 }
796
797 static void gta02_hdq_gpio_set_value(int val)
798 {
799
800 s3c2410_gpio_setpin(GTA02v5_GPIO_HDQ, val);
801 }
802
803 static int gta02_hdq_gpio_get_value(void)
804 {
805 return s3c2410_gpio_getpin(GTA02v5_GPIO_HDQ);
806 }
807
808 static struct resource gta02_hdq_resources[] = {
809 [0] = {
810 .start = GTA02v5_GPIO_HDQ,
811 .end = GTA02v5_GPIO_HDQ,
812 },
813 };
814
815 struct hdq_platform_data gta02_hdq_platform_data = {
816 .attach_child_devices = gta02_hdq_attach_child_devices,
817 .gpio_dir_out = gta02_hdq_gpio_direction_out,
818 .gpio_dir_in = gta02_hdq_gpio_direction_in,
819 .gpio_set = gta02_hdq_gpio_set_value,
820 .gpio_get = gta02_hdq_gpio_get_value,
821
822 .enable_fiq = gta02_fiq_enable,
823 .disable_fiq = gta02_fiq_disable,
824 .kick_fiq = gta02_fiq_kick,
825
826 };
827
828 struct platform_device gta02_hdq_device = {
829 .name = "hdq",
830 .num_resources = 1,
831 .resource = gta02_hdq_resources,
832 .dev = {
833 .platform_data = &gta02_hdq_platform_data,
834 },
835 };
836 #endif
837
838
839 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
840 /* vibrator (child of FIQ) */
841
842 static struct resource gta02_vibrator_resources[] = {
843 [0] = {
844 .start = GTA02_GPIO_VIBRATOR_ON,
845 .end = GTA02_GPIO_VIBRATOR_ON,
846 },
847 };
848 struct gta02_vib_platform_data gta02_vib_pdata = {
849 .enable_fiq = gta02_fiq_enable,
850 .disable_fiq = gta02_fiq_disable,
851 .kick_fiq = gta02_fiq_kick,
852 };
853
854 static struct platform_device gta02_vibrator_dev = {
855 .name = "gta02-vibrator",
856 .num_resources = ARRAY_SIZE(gta02_vibrator_resources),
857 .resource = gta02_vibrator_resources,
858 .dev = {
859 .platform_data = &gta02_vib_pdata,
860 },
861 };
862 #endif
863
864 /* NOR Flash */
865
866 #define GTA02_FLASH_BASE S3C2410_CS3 /* GCS3 */
867 #define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */
868
869 static struct physmap_flash_data gta02_nor_flash_data = {
870 .width = 2,
871 };
872
873 static struct resource gta02_nor_flash_resource = {
874 .start = GTA02_FLASH_BASE,
875 .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
876 .flags = IORESOURCE_MEM,
877 };
878
879 static struct platform_device gta02_nor_flash = {
880 .name = "physmap-flash",
881 .id = 0,
882 .dev = {
883 .platform_data = &gta02_nor_flash_data,
884 },
885 .resource = &gta02_nor_flash_resource,
886 .num_resources = 1,
887 };
888
889
890 struct platform_device s3c24xx_pwm_device = {
891 .name = "s3c24xx_pwm",
892 .num_resources = 0,
893 };
894
895 static struct i2c_board_info gta02_i2c_devs[] __initdata = {
896 {
897 I2C_BOARD_INFO("pcf50633", 0x73),
898 .irq = GTA02_IRQ_PCF50633,
899 .platform_data = &gta02_pcf_pdata,
900 },
901 {
902 I2C_BOARD_INFO("wm8753", 0x1a),
903 },
904 };
905
906 static struct s3c2410_nand_set gta02_nand_sets[] = {
907 [0] = {
908 .name = "neo1973-nand",
909 .nr_chips = 1,
910 .flags = S3C2410_NAND_BBT,
911 },
912 };
913
914 /* choose a set of timings derived from S3C@2442B MCP54
915 * data sheet (K5D2G13ACM-D075 MCP Memory)
916 */
917
918 static struct s3c2410_platform_nand gta02_nand_info = {
919 .tacls = 0,
920 .twrph0 = 25,
921 .twrph1 = 15,
922 .nr_sets = ARRAY_SIZE(gta02_nand_sets),
923 .sets = gta02_nand_sets,
924 .software_ecc = 1,
925 };
926
927
928 static void gta02_s3c_mmc_set_power(unsigned char power_mode,
929 unsigned short vdd)
930 {
931 static int is_on = -1;
932 int on;
933
934 on = power_mode == MMC_POWER_ON || power_mode == MMC_POWER_UP;
935 if (is_on != on)
936 gta02_wlan_reset(!on);
937 is_on = on;
938 }
939
940
941 static struct s3c24xx_mci_pdata gta02_s3c_mmc_cfg = {
942 .set_power = gta02_s3c_mmc_set_power,
943 };
944
945 static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
946 {
947 switch (cmd) {
948 case S3C2410_UDC_P_ENABLE:
949 printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__);
950 gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 1);
951 break;
952 case S3C2410_UDC_P_DISABLE:
953 printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__);
954 gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 0);
955 break;
956 case S3C2410_UDC_P_RESET:
957 printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__);
958 /* FIXME! */
959 break;
960 default:
961 break;
962 }
963 }
964
965 /* get PMU to set USB current limit accordingly */
966
967 static struct s3c2410_udc_mach_info gta02_udc_cfg = {
968 .vbus_draw = gta02_udc_vbus_draw,
969 .udc_command = gta02_udc_command,
970 /* .get_vbus_status = gta02_udc_vbus_status,*/
971 };
972
973
974 /* Touchscreen configuration. */
975
976 #ifdef CONFIG_TOUCHSCREEN_FILTER
977 const static struct ts_filter_group_configuration gta02_ts_group = {
978 .length = 12,
979 .close_enough = 10,
980 .threshold = 6, /* At least half of the points in a group. */
981 .attempts = 10,
982 };
983
984 const static struct ts_filter_median_configuration gta02_ts_median = {
985 .extent = 20,
986 .decimation_below = 3,
987 .decimation_threshold = 8 * 3,
988 .decimation_above = 4,
989 };
990
991 const static struct ts_filter_mean_configuration gta02_ts_mean = {
992 .length = 4,
993 };
994
995 const static struct ts_filter_linear_configuration gta02_ts_linear = {
996 .constants = {1, 0, 0, 0, 1, 0, 1}, /* Don't modify coords. */
997 .coord0 = 0,
998 .coord1 = 1,
999 };
1000 #endif
1001
1002 const static struct ts_filter_chain_configuration gta02_filter_configuration[] =
1003 {
1004 #ifdef CONFIG_TOUCHSCREEN_FILTER
1005 {&ts_filter_group_api, &gta02_ts_group.config},
1006 {&ts_filter_median_api, &gta02_ts_median.config},
1007 {&ts_filter_mean_api, &gta02_ts_mean.config},
1008 {&ts_filter_linear_api, &gta02_ts_linear.config},
1009 #endif
1010 {NULL, NULL},
1011 };
1012
1013 const static struct s3c2410_ts_mach_info gta02_ts_cfg = {
1014 .delay = 10000,
1015 .presc = 0xff, /* slow as we can go */
1016 .filter_config = gta02_filter_configuration,
1017 };
1018
1019
1020
1021 static void gta02_bl_set_intensity(int intensity)
1022 {
1023 struct pcf50633 *pcf = gta02_pcf;
1024 int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1025 int ret;
1026
1027 intensity >>= 2;
1028
1029 /*
1030 * One code path that leads here is from a kernel panic. Trying to turn
1031 * the backlight on just gives us a nearly endless stream of complaints
1032 * and accomplishes nothing. We can't win. Just give up.
1033 *
1034 * In the unlikely event that there's another path leading here while
1035 * we're atomic, we print at least a warning.
1036 */
1037 if (in_atomic()) {
1038 printk(KERN_ERR
1039 "gta02_bl_set_intensity called while atomic\n");
1040 return;
1041 }
1042
1043 if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
1044 old_intensity = 0;
1045 else
1046 old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1047
1048 if (intensity == old_intensity)
1049 return;
1050
1051 /* We can't do this anywhere else */
1052 pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
1053
1054 /*
1055 * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
1056 * if seen, you have to re-enable the LED unit
1057 */
1058 if (!intensity || !old_intensity)
1059 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
1060
1061 if (!intensity) /* illegal to set LEDOUT to 0 */
1062 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1063 2);
1064 else
1065 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1066 intensity);
1067
1068 if (intensity)
1069 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
1070
1071 }
1072
1073 static struct generic_bl_info gta02_bl_info = {
1074 .name = "gta02-bl",
1075 .max_intensity = 0xff,
1076 .default_intensity = 0xff,
1077 .set_bl_intensity = gta02_bl_set_intensity,
1078 };
1079
1080 static struct platform_device gta02_bl_dev = {
1081 .name = "generic-bl",
1082 .id = 1,
1083 .dev = {
1084 .platform_data = &gta02_bl_info,
1085 },
1086 };
1087
1088 /* SPI: LCM control interface attached to Glamo3362 */
1089
1090 static void gta02_jbt6k74_reset(int devidx, int level)
1091 {
1092 glamo_lcm_reset(level);
1093 }
1094
1095 static void gta02_jbt6k74_probe_completed(struct device *dev)
1096 {
1097 struct pcf50633 *pcf = gta02_pcf;
1098
1099 /* Switch on backlight. Qi does not do it for us */
1100 pcf50633_reg_write(pcf, PCF50633_REG_LEDOUT, 0x01);
1101 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x00);
1102 pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 0x01);
1103 pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
1104
1105 gta02_bl_dev.dev.parent = dev;
1106 platform_device_register(&gta02_bl_dev);
1107 }
1108
1109 const struct jbt6k74_platform_data jbt6k74_pdata = {
1110 .reset = gta02_jbt6k74_reset,
1111 .probe_completed = gta02_jbt6k74_probe_completed,
1112 };
1113
1114 #if 0 /* currently this is not used and we use gpio spi */
1115 static struct glamo_spi_info glamo_spi_cfg = {
1116 .board_size = ARRAY_SIZE(gta02_spi_board_info),
1117 .board_info = gta02_spi_board_info,
1118 };
1119 #endif /* 0 */
1120
1121 static struct glamo_spigpio_info glamo_spigpio_cfg = {
1122 .pin_clk = GLAMO_GPIO10_OUTPUT,
1123 .pin_mosi = GLAMO_GPIO11_OUTPUT,
1124 .pin_cs = GLAMO_GPIO12_OUTPUT,
1125 .pin_miso = 0,
1126 .bus_num = 2,
1127 };
1128
1129 /*----------- SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1130
1131 void gta02_lis302dl_suspend_io(struct lis302dl_info *lis, int resume)
1132 {
1133 struct lis302dl_platform_data *pdata = lis->pdata;
1134
1135 if (!resume) {
1136 /*
1137 * we don't want to power them with a high level
1138 * because GSENSOR_3V3 is not up during suspend
1139 */
1140 s3c2410_gpio_setpin(pdata->pin_chip_select, 0);
1141 s3c2410_gpio_setpin(pdata->pin_clk, 0);
1142 s3c2410_gpio_setpin(pdata->pin_mosi, 0);
1143 /* misnomer: it is a pullDOWN in 2442 */
1144 s3c2410_gpio_pullup(pdata->pin_miso, 1);
1145 return;
1146 }
1147
1148 /* back to normal */
1149 s3c2410_gpio_setpin(pdata->pin_chip_select, 1);
1150 s3c2410_gpio_setpin(pdata->pin_clk, 1);
1151 /* misnomer: it is a pullDOWN in 2442 */
1152 s3c2410_gpio_pullup(pdata->pin_miso, 0);
1153
1154 s3c2410_gpio_cfgpin(pdata->pin_chip_select, S3C2410_GPIO_OUTPUT);
1155 s3c2410_gpio_cfgpin(pdata->pin_clk, S3C2410_GPIO_OUTPUT);
1156 s3c2410_gpio_cfgpin(pdata->pin_mosi, S3C2410_GPIO_OUTPUT);
1157 s3c2410_gpio_cfgpin(pdata->pin_miso, S3C2410_GPIO_INPUT);
1158
1159 }
1160
1161 struct lis302dl_platform_data lis302_pdata_top = {
1162 .name = "lis302-1 (top)",
1163 .pin_chip_select= S3C2410_GPD12,
1164 .pin_clk = S3C2410_GPG7,
1165 .pin_mosi = S3C2410_GPG6,
1166 .pin_miso = S3C2410_GPG5,
1167 .interrupt = GTA02_IRQ_GSENSOR_1,
1168 .open_drain = 1, /* altered at runtime by PCB rev */
1169 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1170 };
1171
1172 struct lis302dl_platform_data lis302_pdata_bottom = {
1173 .name = "lis302-2 (bottom)",
1174 .pin_chip_select= S3C2410_GPD13,
1175 .pin_clk = S3C2410_GPG7,
1176 .pin_mosi = S3C2410_GPG6,
1177 .pin_miso = S3C2410_GPG5,
1178 .interrupt = GTA02_IRQ_GSENSOR_2,
1179 .open_drain = 1, /* altered at runtime by PCB rev */
1180 .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1181 };
1182
1183 static struct spi_board_info gta02_spi_board_info[] = {
1184 {
1185 .modalias = "jbt6k74",
1186 /* platform_data */
1187 .platform_data = &jbt6k74_pdata,
1188 /* controller_data */
1189 /* irq */
1190 .max_speed_hz = 100 * 1000,
1191 .bus_num = 2,
1192 /* chip_select */
1193 },
1194 {
1195 .modalias = "lis302dl",
1196 /* platform_data */
1197 .platform_data = &lis302_pdata_top,
1198 /* controller_data */
1199 /* irq */
1200 .max_speed_hz = 100 * 1000,
1201 .bus_num = 3,
1202 .chip_select = 0,
1203 },
1204
1205 {
1206 .modalias = "lis302dl",
1207 /* platform_data */
1208 .platform_data = &lis302_pdata_bottom,
1209 /* controller_data */
1210 /* irq */
1211 .max_speed_hz = 100 * 1000,
1212 .bus_num = 3,
1213 .chip_select = 1,
1214 },
1215
1216 };
1217
1218 static void gta02_lis302_chip_select(struct s3c2410_spigpio_info *info, int csid, int cs)
1219 {
1220
1221 /*
1222 * Huh... "quirk"... CS on this device is not really "CS" like you can
1223 * expect.
1224 *
1225 * When it is 0 it selects SPI interface mode.
1226 * When it is 1 it selects I2C interface mode.
1227 *
1228 * Because we have 2 devices on one interface we have to make sure
1229 * that the "disabled" device (actually in I2C mode) don't think we're
1230 * talking to it.
1231 *
1232 * When we talk to the "enabled" device, the "disabled" device sees
1233 * the clocks as I2C clocks, creating havoc.
1234 *
1235 * I2C sees MOSI going LOW while CLK HIGH as a START action, thus we
1236 * must ensure this is never issued.
1237 */
1238
1239 int cs_gpio, other_cs_gpio;
1240
1241 cs_gpio = csid ? S3C2410_GPD13 : S3C2410_GPD12;
1242 other_cs_gpio = (1 - csid) ? S3C2410_GPD13 : S3C2410_GPD12;
1243
1244
1245 if (cs == BITBANG_CS_ACTIVE) {
1246 s3c2410_gpio_setpin(other_cs_gpio, 1);
1247 s3c2410_gpio_setpin(cs_gpio, 1);
1248 s3c2410_gpio_setpin(info->pin_clk, 1);
1249 s3c2410_gpio_setpin(cs_gpio, 0);
1250 } else {
1251 s3c2410_gpio_setpin(cs_gpio, 1);
1252 s3c2410_gpio_setpin(other_cs_gpio, 1);
1253 }
1254 }
1255
1256 static struct s3c2410_spigpio_info gta02_spigpio_cfg = {
1257 .pin_clk = S3C2410_GPG7,
1258 .pin_mosi = S3C2410_GPG6,
1259 .pin_miso = S3C2410_GPG5,
1260 .bus_num = 3,
1261 .num_chipselect = 2,
1262 .chip_select = gta02_lis302_chip_select,
1263 .non_blocking_transfer = 1,
1264 };
1265
1266 static struct platform_device gta02_spi_gpio_dev = {
1267 .name = "spi_s3c24xx_gpio",
1268 .dev = {
1269 .platform_data = &gta02_spigpio_cfg,
1270 },
1271 };
1272
1273 /*----------- / SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1274
1275 static struct resource gta02_led_resources[] = {
1276 {
1277 .name = "gta02-power:orange",
1278 .start = GTA02_GPIO_PWR_LED1,
1279 .end = GTA02_GPIO_PWR_LED1,
1280 }, {
1281 .name = "gta02-power:blue",
1282 .start = GTA02_GPIO_PWR_LED2,
1283 .end = GTA02_GPIO_PWR_LED2,
1284 }, {
1285 .name = "gta02-aux:red",
1286 .start = GTA02_GPIO_AUX_LED,
1287 .end = GTA02_GPIO_AUX_LED,
1288 },
1289 };
1290
1291 struct platform_device gta02_led_dev = {
1292 .name = "gta02-led",
1293 .num_resources = ARRAY_SIZE(gta02_led_resources),
1294 .resource = gta02_led_resources,
1295 };
1296
1297 static struct resource gta02_button_resources[] = {
1298 [0] = {
1299 .start = GTA02_GPIO_AUX_KEY,
1300 .end = GTA02_GPIO_AUX_KEY,
1301 },
1302 [1] = {
1303 .start = GTA02_GPIO_HOLD_KEY,
1304 .end = GTA02_GPIO_HOLD_KEY,
1305 },
1306 [2] = {
1307 .start = GTA02_GPIO_JACK_INSERT,
1308 .end = GTA02_GPIO_JACK_INSERT,
1309 },
1310 [3] = {
1311 .start = 0,
1312 .end = 0,
1313 },
1314 [4] = {
1315 .start = 0,
1316 .end = 0,
1317 },
1318 };
1319
1320 static struct platform_device gta02_button_dev = {
1321 .name = "gta02-button",
1322 .num_resources = ARRAY_SIZE(gta02_button_resources),
1323 .resource = gta02_button_resources,
1324 };
1325
1326 static struct platform_device gta02_pm_usbhost_dev = {
1327 .name = "gta02-pm-host",
1328 };
1329
1330
1331 /* USB */
1332 static struct s3c2410_hcd_info gta02_usb_info = {
1333 .port[0] = {
1334 .flags = S3C_HCDFLG_USED,
1335 },
1336 .port[1] = {
1337 .flags = 0,
1338 },
1339 };
1340
1341 static int glamo_irq_is_wired(void)
1342 {
1343 int rc;
1344 int count = 0;
1345
1346 /*
1347 * GTA02 S-Media IRQs prior to A5 are broken due to a lack of
1348 * a pullup on the INT# line. Check for the bad behaviour.
1349 */
1350 s3c2410_gpio_setpin(S3C2410_GPG4, 0);
1351 s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_OUTP);
1352 s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_INP);
1353 /*
1354 * we force it low ourselves for a moment and resume being input.
1355 * If there is a pullup, it won't stay low for long. But if the
1356 * level converter is there as on < A5 revision, the weak keeper
1357 * on the input of the LC will hold the line low indefinitiely
1358 */
1359 do
1360 rc = s3c2410_gpio_getpin(S3C2410_GPG4);
1361 while ((!rc) && ((count++) < 10));
1362 if (rc) { /* it got pulled back up, it's good */
1363 printk(KERN_INFO "Detected S-Media IRQ# pullup, "
1364 "enabling interrupt\n");
1365 return 0;
1366 } else /* Gah we can't work with this level converter */
1367 printk(KERN_WARNING "** Detected bad IRQ# circuit found"
1368 " on pre-A5 GTA02: S-Media interrupt disabled **\n");
1369 return -ENODEV;
1370 }
1371
1372 static int gta02_glamo_can_set_mmc_power(void)
1373 {
1374 switch (S3C_SYSTEM_REV_ATAG) {
1375 case GTA02v3_SYSTEM_REV:
1376 case GTA02v4_SYSTEM_REV:
1377 case GTA02v5_SYSTEM_REV:
1378 case GTA02v6_SYSTEM_REV:
1379 return 1;
1380 }
1381
1382 return 0;
1383 }
1384
1385 /* Smedia Glamo 3362 */
1386
1387 /*
1388 * we crank down SD Card clock dynamically when GPS is powered
1389 */
1390
1391 static int gta02_glamo_mci_use_slow(void)
1392 {
1393 return gta02_pm_gps_is_on();
1394 }
1395
1396 static void gta02_glamo_external_reset(int level)
1397 {
1398 s3c2410_gpio_setpin(GTA02_GPIO_3D_RESET, level);
1399 s3c2410_gpio_cfgpin(GTA02_GPIO_3D_RESET, S3C2410_GPIO_OUTPUT);
1400 }
1401
1402 static struct glamofb_platform_data gta02_glamo_pdata = {
1403 .width = 43,
1404 .height = 58,
1405 /* 24.5MHz --> 40.816ns */
1406 .pixclock = 40816,
1407 .left_margin = 8,
1408 .right_margin = 16,
1409 .upper_margin = 2,
1410 .lower_margin = 16,
1411 .hsync_len = 8,
1412 .vsync_len = 2,
1413 .fb_mem_size = 0x400000, /* glamo has 8 megs of SRAM. we use 4 */
1414 .xres = {
1415 .min = 240,
1416 .max = 640,
1417 .defval = 480,
1418 },
1419 .yres = {
1420 .min = 320,
1421 .max = 640,
1422 .defval = 640,
1423 },
1424 .bpp = {
1425 .min = 16,
1426 .max = 16,
1427 .defval = 16,
1428 },
1429 //.spi_info = &glamo_spi_cfg,
1430 .spigpio_info = &glamo_spigpio_cfg,
1431
1432 /* glamo MMC function platform data */
1433 .mmc_dev = &gta02_mmc_dev,
1434 .glamo_can_set_mci_power = gta02_glamo_can_set_mmc_power,
1435 .glamo_mci_use_slow = gta02_glamo_mci_use_slow,
1436 .glamo_irq_is_wired = glamo_irq_is_wired,
1437 .glamo_external_reset = gta02_glamo_external_reset
1438 };
1439
1440 static struct resource gta02_glamo_resources[] = {
1441 [0] = {
1442 .start = S3C2410_CS1,
1443 .end = S3C2410_CS1 + 0x1000000 - 1,
1444 .flags = IORESOURCE_MEM,
1445 },
1446 [1] = {
1447 .start = GTA02_IRQ_3D,
1448 .end = GTA02_IRQ_3D,
1449 .flags = IORESOURCE_IRQ,
1450 },
1451 [2] = {
1452 .start = GTA02_GPIO_3D_RESET,
1453 .end = GTA02_GPIO_3D_RESET,
1454 },
1455 };
1456
1457 static struct platform_device gta02_glamo_dev = {
1458 .name = "glamo3362",
1459 .num_resources = ARRAY_SIZE(gta02_glamo_resources),
1460 .resource = gta02_glamo_resources,
1461 .dev = {
1462 .platform_data = &gta02_glamo_pdata,
1463 },
1464 };
1465
1466 static void mangle_glamo_res_by_system_rev(void)
1467 {
1468 switch (S3C_SYSTEM_REV_ATAG) {
1469 case GTA02v1_SYSTEM_REV:
1470 break;
1471 default:
1472 gta02_glamo_resources[2].start = GTA02_GPIO_3D_RESET;
1473 gta02_glamo_resources[2].end = GTA02_GPIO_3D_RESET;
1474 break;
1475 }
1476
1477 switch (S3C_SYSTEM_REV_ATAG) {
1478 case GTA02v1_SYSTEM_REV:
1479 case GTA02v2_SYSTEM_REV:
1480 case GTA02v3_SYSTEM_REV:
1481 /* case GTA02v4_SYSTEM_REV: - FIXME: handle this later */
1482 /* The hardware is missing a pull-up resistor and thus can't
1483 * support the Smedia Glamo IRQ */
1484 gta02_glamo_resources[1].start = 0;
1485 gta02_glamo_resources[1].end = 0;
1486 break;
1487 }
1488 }
1489
1490 static void __init gta02_map_io(void)
1491 {
1492 s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
1493 s3c24xx_init_clocks(12000000);
1494 s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
1495 }
1496
1497 static irqreturn_t gta02_modem_irq(int irq, void *param)
1498 {
1499 /* printk(KERN_DEBUG "modem wakeup interrupt\n");*/
1500 gta_gsm_interrupts++;
1501 return IRQ_HANDLED;
1502 }
1503
1504 static irqreturn_t ar6000_wow_irq(int irq, void *param)
1505 {
1506 /* printk(KERN_DEBUG "ar6000_wow interrupt\n");*/
1507 return IRQ_HANDLED;
1508 }
1509
1510 /*
1511 * hardware_ecc=1|0
1512 */
1513 static char hardware_ecc_str[4] __initdata = "";
1514
1515 static int __init hardware_ecc_setup(char *str)
1516 {
1517 if (str)
1518 strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str));
1519 return 1;
1520 }
1521
1522 __setup("hardware_ecc=", hardware_ecc_setup);
1523
1524 /* these are the guys that don't need to be children of PMU */
1525
1526 static struct platform_device *gta02_devices[] __initdata = {
1527 &s3c_device_usb,
1528 &s3c_device_wdt,
1529 &s3c_device_sdi,
1530 &s3c_device_usbgadget,
1531 &s3c_device_nand,
1532 &gta02_nor_flash,
1533
1534 &s3c24xx_pwm_device,
1535 &gta02_led_dev,
1536 &gta02_pm_wlan_dev, /* not dependent on PMU */
1537
1538 &s3c_device_iis,
1539 &s3c_device_i2c0,
1540 };
1541
1542 /* these guys DO need to be children of PMU */
1543
1544 static struct platform_device *gta02_devices_pmu_children[] = {
1545 &s3c_device_ts, /* input 1 */
1546 &gta02_pm_gsm_dev,
1547 &gta02_pm_usbhost_dev,
1548 &gta02_spi_gpio_dev, /* input 2 and 3 */
1549 &gta02_button_dev, /* input 4 */
1550 &gta02_resume_reason_device,
1551 };
1552
1553 static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id)
1554 {
1555 struct platform_device *regulator, *pdev;
1556
1557 gta02_pcf = pcf;
1558
1559 regulator = pcf->regulator_pdev[id];
1560
1561 switch(id) {
1562 case PCF50633_REGULATOR_LDO4:
1563 pdev = &gta02_pm_bt_dev;
1564 break;
1565 case PCF50633_REGULATOR_LDO5:
1566 pdev = &gta02_pm_gps_dev;
1567 break;
1568 case PCF50633_REGULATOR_HCLDO:
1569 pdev = &gta02_glamo_dev;
1570 break;
1571 default:
1572 return;
1573 }
1574
1575 pdev->dev.parent = &regulator->dev;
1576 platform_device_register(pdev);
1577 }
1578
1579 /* this is called when pc50633 is probed, unfortunately quite late in the
1580 * day since it is an I2C bus device. Here we can belatedly define some
1581 * platform devices with the advantage that we can mark the pcf50633 as the
1582 * parent. This makes them get suspended and resumed with their parent
1583 * the pcf50633 still around.
1584 */
1585
1586 static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
1587 {
1588 int n;
1589
1590 for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
1591 gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
1592
1593 mangle_glamo_res_by_system_rev();
1594 platform_add_devices(gta02_devices_pmu_children,
1595 ARRAY_SIZE(gta02_devices_pmu_children));
1596
1597 /* regulator_has_full_constraints();*/
1598 }
1599
1600 static void gta02_poweroff(void)
1601 {
1602 pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN,
1603 PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
1604 }
1605
1606 static void __init gta02_machine_init(void)
1607 {
1608 int rc;
1609
1610 /* set the panic callback to make AUX blink fast */
1611 panic_blink = gta02_panic_blink;
1612
1613 switch (S3C_SYSTEM_REV_ATAG) {
1614 case GTA02v6_SYSTEM_REV:
1615 /* we need push-pull interrupt from motion sensors */
1616 lis302_pdata_top.open_drain = 0;
1617 lis302_pdata_bottom.open_drain = 0;
1618 break;
1619 default:
1620 break;
1621 }
1622
1623 spin_lock_init(&motion_irq_lock);
1624
1625 #ifdef CONFIG_CHARGER_PCF50633
1626 INIT_DELAYED_WORK(&gta02_charger_work, gta02_charger_worker);
1627 #endif
1628
1629 /* Glamo chip select optimization */
1630 /* *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */
1631
1632 /* do not force soft ecc if we are asked to use hardware_ecc */
1633 if (hardware_ecc_str[0] == '1')
1634 gta02_nand_info.software_ecc = 0;
1635
1636 s3c_device_usb.dev.platform_data = &gta02_usb_info;
1637 s3c_device_nand.dev.platform_data = &gta02_nand_info;
1638 s3c_device_sdi.dev.platform_data = &gta02_s3c_mmc_cfg;
1639
1640 /* acc sensor chip selects */
1641 s3c2410_gpio_setpin(S3C2410_GPD12, 1);
1642 s3c2410_gpio_cfgpin(S3C2410_GPD12, S3C2410_GPIO_OUTPUT);
1643 s3c2410_gpio_setpin(S3C2410_GPD13, 1);
1644 s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPIO_OUTPUT);
1645
1646 s3c24xx_udc_set_platdata(&gta02_udc_cfg);
1647 s3c_i2c0_set_platdata(NULL);
1648 set_s3c2410ts_info(&gta02_ts_cfg);
1649
1650 mangle_glamo_res_by_system_rev();
1651
1652 i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
1653 spi_register_board_info(gta02_spi_board_info,
1654 ARRAY_SIZE(gta02_spi_board_info));
1655
1656 #ifdef CONFIG_CHARGER_PCF50633
1657 mangle_pmu_pdata_by_system_rev();
1658 #endif
1659
1660 platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
1661
1662 s3c_pm_init();
1663
1664 /* Make sure the modem can wake us up */
1665 set_irq_type(GTA02_IRQ_MODEM, IRQ_TYPE_EDGE_RISING);
1666 rc = request_irq(GTA02_IRQ_MODEM, gta02_modem_irq, IRQF_DISABLED,
1667 "modem", NULL);
1668 if (rc < 0)
1669 printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n");
1670 enable_irq_wake(GTA02_IRQ_MODEM);
1671
1672 /* Make sure the wifi module can wake us up*/
1673 set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQ_TYPE_EDGE_RISING);
1674 rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED,
1675 "ar6000", NULL);
1676
1677 if (rc < 0)
1678 printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n");
1679 enable_irq_wake(GTA02_IRQ_WLAN_GPIO1);
1680
1681 pm_power_off = gta02_poweroff;
1682
1683 /* Register the HDQ and vibrator as children of pwm device */
1684 #ifdef CONFIG_HDQ_GPIO_BITBANG
1685 gta02_hdq_device.dev.parent = &s3c24xx_pwm_device.dev;
1686 platform_device_register(&gta02_hdq_device);
1687 #endif
1688 #ifdef CONFIG_LEDS_GTA02_VIBRATOR
1689 gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev;
1690 platform_device_register(&gta02_vibrator_dev);
1691 #endif
1692 }
1693
1694 void DEBUG_LED(int n)
1695 {
1696 switch (n) {
1697 case 0:
1698 gta02_gpb_setpin(GTA02_GPIO_PWR_LED1, 1);
1699 break;
1700 case 1:
1701 gta02_gpb_setpin(GTA02_GPIO_PWR_LED2, 1);
1702 break;
1703 default:
1704 gta02_gpb_setpin(GTA02_GPIO_AUX_LED, 1);
1705 break;
1706 }
1707 }
1708 EXPORT_SYMBOL_GPL(DEBUG_LED);
1709
1710 MACHINE_START(NEO1973_GTA02, "GTA02")
1711 .phys_io = S3C2410_PA_UART,
1712 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
1713 .boot_params = S3C2410_SDRAM_PA + 0x100,
1714 .map_io = gta02_map_io,
1715 .init_irq = s3c24xx_init_irq,
1716 .init_machine = gta02_machine_init,
1717 .timer = &s3c24xx_timer,
1718 MACHINE_END
OpenWrt SVN history