Root/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#include <plat/gpio-core.h>
95
96#include <mach/gta02-pm-gsm.h>
97#include <mach/gta02-pm-gps.h>
98#include <mach/gta02-pm-wlan.h>
99
100#include <linux/jbt6k74.h>
101#include <linux/glamofb.h>
102#include <linux/mfd/glamo.h>
103
104#include <linux/hdq.h>
105#include <linux/bq27000_battery.h>
106
107#include <linux/touchscreen/ts_filter_chain.h>
108#ifdef CONFIG_TOUCHSCREEN_FILTER
109#include <linux/touchscreen/ts_filter_linear.h>
110#include <linux/touchscreen/ts_filter_mean.h>
111#include <linux/touchscreen/ts_filter_median.h>
112#include <linux/touchscreen/ts_filter_group.h>
113#endif
114
115#include <asm/fiq.h>
116
117#include <linux/gta02-vibrator.h>
118
119/* arbitrates which sensor IRQ owns the shared SPI bus */
120static spinlock_t motion_irq_lock;
121
122
123/* -------------------------------------------------------------------------------
124 * GTA02 FIQ related
125 *
126 * Calls into vibrator and hdq and based on the return values
127 * determines if we the FIQ source be kept alive
128 */
129
130#define DIVISOR_FROM_US(x) ((x) << 3)
131
132#ifdef CONFIG_HDQ_GPIO_BITBANG
133#define FIQ_DIVISOR_HDQ DIVISOR_FROM_US(HDQ_SAMPLE_PERIOD_US)
134extern int hdq_fiq_handler(void);
135#endif
136
137#ifdef CONFIG_LEDS_GTA02_VIBRATOR
138#define FIQ_DIVISOR_VIBRATOR DIVISOR_FROM_US(100)
139extern int gta02_vibrator_fiq_handler(void);
140#endif
141
142#if defined(CONFIG_LEDS_GTA02_VIBRATOR) || defined(CONFIG_HDQ_GPIO_BITBANG)
143
144/* Global data related to our fiq source */
145static u32 gta02_fiq_ack_mask;
146static struct s3c2410_pwm gta02_fiq_pwm_timer;
147static u16 gta02_fiq_timer_index;
148static int gta02_fiq_irq;
149
150static void gta02_fiq_handler(void)
151{
152    u16 divisor = 0xffff;
153
154    /* Vibrator servicing */
155
156    /* disable further timer interrupts if nobody has any work
157     * or adjust rate according to who still has work
158     *
159     * CAUTION: it means forground code must disable FIQ around
160     * its own non-atomic S3C2410_INTMSK changes... not common
161     * thankfully and taken care of by the fiq-basis patch
162     */
163
164#ifdef CONFIG_LEDS_GTA02_VIBRATOR
165    if (gta02_vibrator_fiq_handler())
166        divisor = FIQ_DIVISOR_VIBRATOR;
167#endif
168
169#ifdef CONFIG_HDQ_GPIO_BITBANG
170    if (hdq_fiq_handler())
171        divisor = FIQ_DIVISOR_HDQ;
172#endif
173
174    if (divisor == 0xffff) /* mask the fiq irq source */
175        __raw_writel(__raw_readl(S3C2410_INTMSK) | gta02_fiq_ack_mask,
176                 S3C2410_INTMSK);
177    else /* still working, maybe at a different rate */
178        __raw_writel(divisor, S3C2410_TCNTB(gta02_fiq_timer_index));
179
180    __raw_writel(gta02_fiq_ack_mask, S3C2410_SRCPND);
181}
182
183static void gta02_fiq_kick(void)
184{
185    unsigned long flags;
186    u32 tcon;
187
188    /* we have to take care about FIQ because this modification is
189     * non-atomic, FIQ could come in after the read and before the
190     * writeback and its changes to the register would be lost
191     * (platform INTMSK mod code is taken care of already)
192     */
193    local_save_flags(flags);
194    local_fiq_disable();
195    /* allow FIQs to resume */
196    __raw_writel(__raw_readl(S3C2410_INTMSK) &
197             ~(1 << (gta02_fiq_irq - S3C2410_CPUIRQ_OFFSET)),
198             S3C2410_INTMSK);
199    tcon = __raw_readl(S3C2410_TCON) & ~S3C2410_TCON_T3START;
200    /* fake the timer to a count of 1 */
201    __raw_writel(1, S3C2410_TCNTB(gta02_fiq_timer_index));
202    __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD, S3C2410_TCON);
203    __raw_writel(tcon | S3C2410_TCON_T3MANUALUPD | S3C2410_TCON_T3START,
204             S3C2410_TCON);
205    __raw_writel(tcon | S3C2410_TCON_T3START, S3C2410_TCON);
206    local_irq_restore(flags);
207}
208
209static int gta02_fiq_enable(void)
210{
211    int irq_index_fiq = IRQ_TIMER3;
212    int rc = 0;
213
214    local_fiq_disable();
215
216    gta02_fiq_irq = irq_index_fiq;
217    gta02_fiq_ack_mask = 1 << (irq_index_fiq - S3C2410_CPUIRQ_OFFSET);
218    gta02_fiq_timer_index = (irq_index_fiq - IRQ_TIMER0);
219
220    /* set up the timer to operate as a pwm device */
221
222    rc = s3c2410_pwm_init(&gta02_fiq_pwm_timer);
223    if (rc)
224        goto bail;
225
226    gta02_fiq_pwm_timer.timerid = PWM0 + gta02_fiq_timer_index;
227    gta02_fiq_pwm_timer.prescaler = (6 - 1) / 2;
228    gta02_fiq_pwm_timer.divider = S3C2410_TCFG1_MUX3_DIV2;
229    /* default rate == ~32us */
230    gta02_fiq_pwm_timer.counter = gta02_fiq_pwm_timer.comparer = 3000;
231
232    rc = s3c2410_pwm_enable(&gta02_fiq_pwm_timer);
233    if (rc)
234        goto bail;
235
236    s3c2410_pwm_start(&gta02_fiq_pwm_timer);
237
238    /* let our selected interrupt be a magic FIQ interrupt */
239    __raw_writel(gta02_fiq_ack_mask, S3C2410_INTMOD);
240
241    /* it's ready to go as soon as we unmask the source in S3C2410_INTMSK */
242    local_fiq_enable();
243
244    set_fiq_c_handler(gta02_fiq_handler);
245
246    return 0;
247
248bail:
249    printk(KERN_ERR "Could not initialize FIQ for GTA02: %d\n", rc);
250
251    return rc;
252}
253
254static void gta02_fiq_disable(void)
255{
256    __raw_writel(0, S3C2410_INTMOD);
257    local_fiq_disable();
258    gta02_fiq_irq = 0; /* no active source interrupt now either */
259
260}
261/* -------------------- /GTA02 FIQ Handler ------------------------------------- */
262
263#endif
264
265/*
266 * this gets called every 1ms when we paniced.
267 */
268
269static long gta02_panic_blink(long count)
270{
271    long delay = 0;
272    static long last_blink;
273    static char led;
274
275    if (count - last_blink < 100) /* 200ms period, fast blink */
276        return 0;
277
278    led ^= 1;
279    s3c2410_gpio_cfgpin(GTA02_GPIO_AUX_LED, S3C2410_GPIO_OUTPUT);
280    s3c2410_gpio_setpin(GTA02_GPIO_AUX_LED, led);
281
282    last_blink = count;
283    return delay;
284}
285
286
287/**
288 * returns PCB revision information in b9,b8 and b2,b1,b0
289 * Pre-GTA02 A6 returns 0x000
290 * GTA02 A6 returns 0x101
291 * ...
292 */
293
294int gta02_get_pcb_revision(void)
295{
296    int n;
297    int u = 0;
298    static unsigned long pinlist[] = {
299        GTA02_PCB_ID1_0,
300        GTA02_PCB_ID1_1,
301        GTA02_PCB_ID1_2,
302        GTA02_PCB_ID2_0,
303        GTA02_PCB_ID2_1,
304    };
305    static int pin_offset[] = {
306        0, 1, 2, 8, 9
307    };
308
309    for (n = 0 ; n < ARRAY_SIZE(pinlist); n++) {
310        /*
311         * set the PCB version GPIO to be pulled-down input
312         * force low briefly first
313         */
314        s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
315        s3c2410_gpio_setpin(pinlist[n], 0);
316        /* misnomer: it is a pullDOWN in 2442 */
317        s3c2410_gpio_pullup(pinlist[n], 1);
318        s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_INPUT);
319
320        udelay(10);
321
322        if (s3c2410_gpio_getpin(pinlist[n]))
323            u |= 1 << pin_offset[n];
324
325        /*
326        * when not being interrogated, all of the revision GPIO
327        * are set to output HIGH without pulldown so no current flows
328        * if they are NC or pulled up.
329        */
330        s3c2410_gpio_setpin(pinlist[n], 1);
331        s3c2410_gpio_cfgpin(pinlist[n], S3C2410_GPIO_OUTPUT);
332        /* misnomer: it is a pullDOWN in 2442 */
333        s3c2410_gpio_pullup(pinlist[n], 0);
334    }
335
336    return u;
337}
338
339struct platform_device gta02_resume_reason_device = {
340    .name = "gta02-resume",
341    .num_resources = 0,
342};
343
344static struct map_desc gta02_iodesc[] __initdata = {
345    {
346        .virtual = 0xe0000000,
347        .pfn = __phys_to_pfn(S3C2410_CS3+0x01000000),
348        .length = SZ_1M,
349        .type = MT_DEVICE
350    },
351};
352
353#define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN)
354#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
355#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
356
357static struct s3c2410_uartcfg gta02_uartcfgs[] = {
358    [0] = {
359        .hwport = 0,
360        .flags = 0,
361        .ucon = UCON,
362        .ulcon = ULCON,
363        .ufcon = UFCON,
364    },
365    [1] = {
366        .hwport = 1,
367        .flags = 0,
368        .ucon = UCON,
369        .ulcon = ULCON,
370        .ufcon = UFCON,
371    },
372    [2] = {
373        .hwport = 2,
374        .flags = 0,
375        .ucon = UCON,
376        .ulcon = ULCON,
377        .ufcon = UFCON,
378    },
379
380};
381
382struct pcf50633 *gta02_pcf;
383
384#ifdef CONFIG_CHARGER_PCF50633
385#ifdef CONFIG_HDQ_GPIO_BITBANG
386static int gta02_get_charger_online_status(void)
387{
388    struct pcf50633 *pcf = gta02_pcf;
389
390    return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE;
391}
392
393static int gta02_get_charger_active_status(void)
394{
395    struct pcf50633 *pcf = gta02_pcf;
396
397    return pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ACTIVE;
398}
399#endif
400
401#define ADC_NOM_CHG_DETECT_1A 6
402#define ADC_NOM_CHG_DETECT_USB 43
403
404static void
405gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res)
406{
407    int ma;
408
409    /* Interpret charger type */
410    if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) {
411
412        /* Stop GPO driving out now that we have a IA charger */
413        pcf50633_gpio_set(pcf, PCF50633_GPO, 0);
414
415        ma = 1000;
416    } else
417        ma = 100;
418
419    pcf50633_mbc_usb_curlim_set(pcf, ma);
420}
421
422static struct delayed_work gta02_charger_work;
423static int gta02_usb_vbus_draw;
424
425static void gta02_charger_worker(struct work_struct *work)
426{
427    struct pcf50633 *pcf = gta02_pcf;
428
429    if (gta02_usb_vbus_draw) {
430        pcf50633_mbc_usb_curlim_set(pcf, gta02_usb_vbus_draw);
431        return;
432    } else {
433#ifdef CONFIG_PCF50633_ADC
434        pcf50633_adc_async_read(pcf,
435            PCF50633_ADCC1_MUX_ADCIN1,
436            PCF50633_ADCC1_AVERAGE_16,
437            gta02_configure_pmu_for_charger, NULL);
438#else
439        /* If the PCF50633 ADC is disabled we fallback to a 100mA limit for safety. */
440        pcf50633_mbc_usb_curlim_set(pcf, 100);
441#endif
442        return;
443    }
444}
445
446#define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000)
447static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq)
448{
449    if (irq == PCF50633_IRQ_USBINS) {
450        schedule_delayed_work(&gta02_charger_work,
451                GTA02_CHARGER_CONFIGURE_TIMEOUT);
452        return;
453    } else if (irq == PCF50633_IRQ_USBREM) {
454        cancel_delayed_work_sync(&gta02_charger_work);
455        gta02_usb_vbus_draw = 0;
456    }
457}
458
459static void gta02_pmu_force_shutdown(struct pcf50633 *pcf)
460{
461    pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_OOCSHDWN,
462            PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
463}
464
465
466static void gta02_udc_vbus_draw(unsigned int ma)
467{
468    if (!gta02_pcf)
469        return;
470
471    gta02_usb_vbus_draw = ma;
472
473    schedule_delayed_work(&gta02_charger_work,
474                GTA02_CHARGER_CONFIGURE_TIMEOUT);
475}
476
477static int gta02_udc_vbus_status(void)
478{
479    struct pcf50633 *pcf = gta02_pcf;
480    if (!gta02_pcf)
481        return -ENODEV;
482
483    return !!(pcf50633_mbc_get_status(pcf) & PCF50633_MBC_USB_ONLINE);
484}
485
486#else /* !CONFIG_CHARGER_PCF50633 */
487#ifdef CONFIG_HDQ_GPIO_BITBANG
488#define gta02_get_charger_online_status NULL
489#define gta02_get_charger_active_status NULL
490#endif
491#define gta02_pmu_event_callback NULL
492#define gta02_udc_vbus_draw NULL
493#define gta02_udc_vbus_status NULL
494#endif
495
496
497static struct platform_device gta02_pm_gps_dev = {
498    .name = "gta02-pm-gps",
499};
500
501static struct platform_device gta02_pm_bt_dev = {
502    .name = "gta02-pm-bt",
503};
504
505static struct platform_device gta02_pm_gsm_dev = {
506    .name = "gta02-pm-gsm",
507};
508
509static struct platform_device gta02_pm_wlan_dev = {
510    .name = "gta02-pm-wlan",
511};
512
513/* this is called when pc50633 is probed, unfortunately quite late in the
514 * day since it is an I2C bus device. Here we can belatedly define some
515 * platform devices with the advantage that we can mark the pcf50633 as the
516 * parent. This makes them get suspended and resumed with their parent
517 * the pcf50633 still around.
518 */
519
520static struct platform_device gta02_glamo_dev;
521static void mangle_glamo_res_by_system_rev(void);
522
523static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf);
524static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id);
525
526static struct regulator_consumer_supply ldo4_consumers[] = {
527    {
528        .dev = &gta02_pm_bt_dev.dev,
529        .supply = "BT_3V2",
530    },
531};
532
533static struct regulator_consumer_supply ldo5_consumers[] = {
534    {
535        .dev = &gta02_pm_gps_dev.dev,
536        .supply = "RF_3V",
537    },
538};
539
540static struct regulator_consumer_supply hcldo_consumers[] = {
541    {
542        .dev = &gta02_glamo_dev.dev,
543        .supply = "SD_3V3",
544    },
545};
546
547static char *gta02_batteries[] = {
548    "battery",
549};
550
551#ifdef CONFIG_CHARGER_PCF50633
552
553struct pcf50633_platform_data gta02_pcf_pdata = {
554    .resumers = {
555        [0] = PCF50633_INT1_USBINS |
556            PCF50633_INT1_USBREM |
557            PCF50633_INT1_ALARM,
558        [1] = PCF50633_INT2_ONKEYF,
559        [2] = PCF50633_INT3_ONKEY1S,
560        [3] = PCF50633_INT4_LOWSYS |
561            PCF50633_INT4_LOWBAT |
562            PCF50633_INT4_HIGHTMP,
563    },
564
565    .batteries = gta02_batteries,
566    .num_batteries = ARRAY_SIZE(gta02_batteries),
567    .charging_restart_interval = (900 * HZ),
568    .chg_ref_current_ma = 1000,
569
570    .reg_init_data = {
571        [PCF50633_REGULATOR_AUTO] = {
572            .constraints = {
573                .name = "IO_3V3",
574                .min_uV = 3300000,
575                .max_uV = 3300000,
576                .valid_modes_mask = REGULATOR_MODE_NORMAL,
577                .boot_on = 1,
578                .always_on = 1,
579                .apply_uV = 1,
580                .state_mem = {
581                    .enabled = 1,
582                },
583            },
584            .num_consumer_supplies = 0,
585        },
586        [PCF50633_REGULATOR_DOWN1] = {
587            .constraints = {
588                .name = "CORE_1V3",
589                .min_uV = 1300000,
590                .max_uV = 1600000,
591                .valid_modes_mask = REGULATOR_MODE_NORMAL,
592                .boot_on = 1,
593                .always_on = 1,
594                .apply_uV = 1,
595            },
596            .num_consumer_supplies = 0,
597        },
598        [PCF50633_REGULATOR_DOWN2] = {
599            .constraints = {
600                .name = "IO_1V8",
601                .min_uV = 1800000,
602                .max_uV = 1800000,
603                .valid_modes_mask = REGULATOR_MODE_NORMAL,
604                .apply_uV = 1,
605                .boot_on = 1,
606                .always_on = 1,
607                .state_mem = {
608                    .enabled = 1,
609                },
610            },
611            .num_consumer_supplies = 0,
612        },
613        [PCF50633_REGULATOR_HCLDO] = {
614            .constraints = {
615                .name = "SD_3V3",
616                .min_uV = 2000000,
617                .max_uV = 3300000,
618                .valid_modes_mask = REGULATOR_MODE_NORMAL,
619                .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
620                .boot_on = 1,
621            },
622            .num_consumer_supplies = 1,
623            .consumer_supplies = hcldo_consumers,
624        },
625        [PCF50633_REGULATOR_LDO1] = {
626            .constraints = {
627                .name = "GSENSOR_3V3",
628                .min_uV = 3300000,
629                .max_uV = 3300000,
630                .valid_modes_mask = REGULATOR_MODE_NORMAL,
631                .apply_uV = 1,
632            },
633            .num_consumer_supplies = 0,
634        },
635        [PCF50633_REGULATOR_LDO2] = {
636            .constraints = {
637                .name = "CODEC_3V3",
638                .min_uV = 3300000,
639                .max_uV = 3300000,
640                .valid_modes_mask = REGULATOR_MODE_NORMAL,
641                .apply_uV = 1,
642            },
643            .num_consumer_supplies = 0,
644        },
645        [PCF50633_REGULATOR_LDO3] = {
646            .constraints = {
647                .min_uV = 3000000,
648                .max_uV = 3000000,
649                .valid_modes_mask = REGULATOR_MODE_NORMAL,
650                .apply_uV = 1,
651            },
652            .num_consumer_supplies = 0,
653        },
654        [PCF50633_REGULATOR_LDO4] = {
655            .constraints = {
656                .name = "BT_3V2",
657                .min_uV = 3200000,
658                .max_uV = 3200000,
659                .valid_modes_mask = REGULATOR_MODE_NORMAL,
660                .apply_uV = 1,
661            },
662            .num_consumer_supplies = 1,
663            .consumer_supplies = ldo4_consumers,
664        },
665        [PCF50633_REGULATOR_LDO5] = {
666            .constraints = {
667                .name = "RF_3V",
668                .min_uV = 3000000,
669                .max_uV = 3000000,
670                .valid_modes_mask = REGULATOR_MODE_NORMAL,
671                .apply_uV = 1,
672                .state_mem = {
673                    .enabled = 1,
674                },
675            },
676            .num_consumer_supplies = 1,
677            .consumer_supplies = ldo5_consumers,
678        },
679        [PCF50633_REGULATOR_LDO6] = {
680            .constraints = {
681                .name = "LCM_3V",
682                .min_uV = 3000000,
683                .max_uV = 3000000,
684                .always_on = 1,
685                .valid_modes_mask = REGULATOR_MODE_NORMAL,
686                .apply_uV = 1,
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
709static 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
721        reg_init_data[PCF50633_REGULATOR_LDO1]
722                    .constraints.min_uV = 1300000;
723        reg_init_data[PCF50633_REGULATOR_LDO1]
724                    .constraints.max_uV = 1300000;
725
726        reg_init_data[PCF50633_REGULATOR_LDO5]
727                    .constraints.min_uV = 1500000;
728        reg_init_data[PCF50633_REGULATOR_LDO5]
729                    .constraints.max_uV = 1500000;
730
731        reg_init_data[PCF50633_REGULATOR_LDO6]
732                    .constraints.min_uV = 0;
733        reg_init_data[PCF50633_REGULATOR_LDO6]
734                    .constraints.max_uV = 3300000;
735        reg_init_data[PCF50633_REGULATOR_LDO6]
736                    .constraints.apply_uV = 1;
737        break;
738    default:
739        break;
740    }
741}
742
743#endif
744
745#ifdef CONFIG_HDQ_GPIO_BITBANG
746/* BQ27000 Battery */
747
748struct bq27000_platform_data bq27000_pdata = {
749    .name = "battery",
750    .rsense_mohms = 20,
751    .hdq_read = hdq_read,
752    .hdq_write = hdq_write,
753    .hdq_initialized = hdq_initialized,
754    .get_charger_online_status = gta02_get_charger_online_status,
755    .get_charger_active_status = gta02_get_charger_active_status
756};
757
758struct platform_device bq27000_battery_device = {
759    .name = "bq27000-battery",
760    .dev = {
761        .platform_data = &bq27000_pdata,
762    },
763};
764
765/* HDQ */
766
767static void gta02_hdq_attach_child_devices(struct device *parent_device)
768{
769    switch (S3C_SYSTEM_REV_ATAG) {
770    case GTA02v5_SYSTEM_REV:
771    case GTA02v6_SYSTEM_REV:
772        bq27000_battery_device.dev.parent = parent_device;
773        platform_device_register(&bq27000_battery_device);
774        break;
775    default:
776        break;
777    }
778}
779
780static void gta02_hdq_gpio_direction_out(void)
781{
782    s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_OUTPUT);
783}
784
785static void gta02_hdq_gpio_direction_in(void)
786{
787    s3c2410_gpio_cfgpin(GTA02v5_GPIO_HDQ, S3C2410_GPIO_INPUT);
788}
789
790static void gta02_hdq_gpio_set_value(int val)
791{
792
793    s3c2410_gpio_setpin(GTA02v5_GPIO_HDQ, val);
794}
795
796static int gta02_hdq_gpio_get_value(void)
797{
798    return s3c2410_gpio_getpin(GTA02v5_GPIO_HDQ);
799}
800
801static struct resource gta02_hdq_resources[] = {
802    [0] = {
803        .start = GTA02v5_GPIO_HDQ,
804        .end = GTA02v5_GPIO_HDQ,
805    },
806};
807
808struct hdq_platform_data gta02_hdq_platform_data = {
809    .attach_child_devices = gta02_hdq_attach_child_devices,
810    .gpio_dir_out = gta02_hdq_gpio_direction_out,
811    .gpio_dir_in = gta02_hdq_gpio_direction_in,
812    .gpio_set = gta02_hdq_gpio_set_value,
813    .gpio_get = gta02_hdq_gpio_get_value,
814
815    .enable_fiq = gta02_fiq_enable,
816    .disable_fiq = gta02_fiq_disable,
817    .kick_fiq = gta02_fiq_kick,
818
819};
820
821struct platform_device gta02_hdq_device = {
822    .name = "hdq",
823    .num_resources = 1,
824    .resource = gta02_hdq_resources,
825    .dev = {
826        .platform_data = &gta02_hdq_platform_data,
827    },
828};
829#endif
830
831
832#ifdef CONFIG_LEDS_GTA02_VIBRATOR
833/* vibrator (child of FIQ) */
834
835static struct resource gta02_vibrator_resources[] = {
836    [0] = {
837        .start = GTA02_GPIO_VIBRATOR_ON,
838        .end = GTA02_GPIO_VIBRATOR_ON,
839    },
840};
841struct gta02_vib_platform_data gta02_vib_pdata = {
842    .enable_fiq = gta02_fiq_enable,
843    .disable_fiq = gta02_fiq_disable,
844    .kick_fiq = gta02_fiq_kick,
845};
846
847static struct platform_device gta02_vibrator_dev = {
848    .name = "gta02-vibrator",
849    .num_resources = ARRAY_SIZE(gta02_vibrator_resources),
850    .resource = gta02_vibrator_resources,
851    .dev = {
852        .platform_data = &gta02_vib_pdata,
853        },
854};
855#endif
856
857/* NOR Flash */
858
859#define GTA02_FLASH_BASE S3C2410_CS3 /* GCS3 */
860#define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */
861
862static struct physmap_flash_data gta02_nor_flash_data = {
863    .width = 2,
864};
865
866static struct resource gta02_nor_flash_resource = {
867    .start = GTA02_FLASH_BASE,
868    .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
869    .flags = IORESOURCE_MEM,
870};
871
872static struct platform_device gta02_nor_flash = {
873    .name = "physmap-flash",
874    .id = 0,
875    .dev = {
876                .platform_data = &gta02_nor_flash_data,
877            },
878    .resource = &gta02_nor_flash_resource,
879    .num_resources = 1,
880};
881
882
883struct platform_device s3c24xx_pwm_device = {
884    .name = "s3c24xx_pwm",
885    .num_resources = 0,
886};
887
888static struct i2c_board_info gta02_i2c_devs[] __initdata = {
889    {
890        I2C_BOARD_INFO("pcf50633", 0x73),
891        .irq = GTA02_IRQ_PCF50633,
892        .platform_data = &gta02_pcf_pdata,
893    },
894    {
895        I2C_BOARD_INFO("wm8753", 0x1a),
896    },
897};
898
899static struct s3c2410_nand_set gta02_nand_sets[] = {
900    [0] = {
901        .name = "neo1973-nand",
902        .nr_chips = 1,
903        .flags = S3C2410_NAND_BBT,
904    },
905};
906
907/* choose a set of timings derived from S3C@2442B MCP54
908 * data sheet (K5D2G13ACM-D075 MCP Memory)
909 */
910
911static struct s3c2410_platform_nand gta02_nand_info = {
912    .tacls = 0,
913    .twrph0 = 25,
914    .twrph1 = 15,
915    .nr_sets = ARRAY_SIZE(gta02_nand_sets),
916    .sets = gta02_nand_sets,
917    .software_ecc = 1,
918};
919
920
921static void gta02_s3c_mmc_set_power(unsigned char power_mode,
922    unsigned short vdd)
923{
924    static int is_on = -1;
925    int on;
926
927    on = power_mode == MMC_POWER_ON || power_mode == MMC_POWER_UP;
928    if (is_on != on)
929        gta02_wlan_reset(!on);
930    is_on = on;
931}
932
933
934static struct s3c24xx_mci_pdata gta02_s3c_mmc_cfg = {
935    .set_power = gta02_s3c_mmc_set_power,
936};
937
938static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
939{
940    switch (cmd) {
941    case S3C2410_UDC_P_ENABLE:
942        printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__);
943        s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 1);
944        break;
945    case S3C2410_UDC_P_DISABLE:
946        printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__);
947        s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 0);
948        break;
949    case S3C2410_UDC_P_RESET:
950        printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__);
951        /* FIXME! */
952        break;
953    default:
954        break;
955    }
956}
957
958/* get PMU to set USB current limit accordingly */
959
960static struct s3c2410_udc_mach_info gta02_udc_cfg = {
961    .vbus_draw = gta02_udc_vbus_draw,
962    .udc_command = gta02_udc_command,
963/* .get_vbus_status = gta02_udc_vbus_status,*/
964};
965
966
967/* Touchscreen configuration. */
968
969#ifdef CONFIG_TOUCHSCREEN_FILTER
970const static struct ts_filter_group_configuration gta02_ts_group = {
971    .length = 12,
972    .close_enough = 10,
973    .threshold = 6, /* At least half of the points in a group. */
974    .attempts = 10,
975};
976
977const static struct ts_filter_median_configuration gta02_ts_median = {
978    .extent = 20,
979    .decimation_below = 3,
980    .decimation_threshold = 8 * 3,
981    .decimation_above = 4,
982};
983
984const static struct ts_filter_mean_configuration gta02_ts_mean = {
985    .length = 4,
986};
987
988const static struct ts_filter_linear_configuration gta02_ts_linear = {
989    .constants = {1, 0, 0, 0, 1, 0, 1}, /* Don't modify coords. */
990    .coord0 = 0,
991    .coord1 = 1,
992};
993#endif
994
995const static struct ts_filter_chain_configuration gta02_filter_configuration[] =
996{
997#ifdef CONFIG_TOUCHSCREEN_FILTER
998    {&ts_filter_group_api, &gta02_ts_group.config},
999    {&ts_filter_median_api, &gta02_ts_median.config},
1000    {&ts_filter_mean_api, &gta02_ts_mean.config},
1001    {&ts_filter_linear_api, &gta02_ts_linear.config},
1002#endif
1003    {NULL, NULL},
1004};
1005
1006const static struct s3c2410_ts_mach_info gta02_ts_cfg = {
1007    .delay = 10000,
1008    .presc = 0xff, /* slow as we can go */
1009    .filter_config = gta02_filter_configuration,
1010};
1011
1012
1013
1014static void gta02_bl_set_intensity(int intensity)
1015{
1016    struct pcf50633 *pcf = gta02_pcf;
1017    int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1018    int ret;
1019
1020    intensity >>= 2;
1021
1022    /*
1023     * One code path that leads here is from a kernel panic. Trying to turn
1024     * the backlight on just gives us a nearly endless stream of complaints
1025     * and accomplishes nothing. We can't win. Just give up.
1026     *
1027     * In the unlikely event that there's another path leading here while
1028     * we're atomic, we print at least a warning.
1029     */
1030    if (in_atomic()) {
1031        printk(KERN_ERR
1032            "gta02_bl_set_intensity called while atomic\n");
1033        return;
1034    }
1035
1036    if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
1037        old_intensity = 0;
1038    else
1039        old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
1040
1041    if (intensity == old_intensity)
1042        return;
1043
1044    /* We can't do this anywhere else */
1045    pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
1046
1047    /*
1048     * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
1049     * if seen, you have to re-enable the LED unit
1050     */
1051    if (!intensity || !old_intensity)
1052        pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
1053
1054    if (!intensity) /* illegal to set LEDOUT to 0 */
1055        ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1056                                         2);
1057    else
1058        ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
1059                   intensity);
1060
1061    if (intensity)
1062        pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
1063
1064}
1065
1066static struct generic_bl_info gta02_bl_info = {
1067    .name = "gta02-bl",
1068    .max_intensity = 0xff,
1069    .default_intensity = 0xff,
1070    .set_bl_intensity = gta02_bl_set_intensity,
1071};
1072
1073static struct platform_device gta02_bl_dev = {
1074    .name = "generic-bl",
1075    .id = 1,
1076    .dev = {
1077        .platform_data = &gta02_bl_info,
1078    },
1079};
1080
1081/* SPI: LCM control interface attached to Glamo3362 */
1082
1083static void gta02_jbt6k74_reset(int devidx, int level)
1084{
1085    gpio_set_value(GTA02_GPIO_GLAMO(4), level);
1086}
1087
1088static void gta02_jbt6k74_probe_completed(struct device *dev)
1089{
1090    struct pcf50633 *pcf = gta02_pcf;
1091
1092    /* Switch on backlight. Qi does not do it for us */
1093    pcf50633_reg_write(pcf, PCF50633_REG_LEDOUT, 0x01);
1094    pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x00);
1095    pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 0x01);
1096    pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0x01);
1097
1098    gta02_bl_dev.dev.parent = dev;
1099    platform_device_register(&gta02_bl_dev);
1100}
1101
1102const struct jbt6k74_platform_data jbt6k74_pdata = {
1103    .reset = gta02_jbt6k74_reset,
1104    .probe_completed = gta02_jbt6k74_probe_completed,
1105};
1106
1107/*----------- SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1108
1109void gta02_lis302dl_suspend_io(struct lis302dl_info *lis, int resume)
1110{
1111    struct lis302dl_platform_data *pdata = lis->pdata;
1112
1113    if (!resume) {
1114         /*
1115         * we don't want to power them with a high level
1116         * because GSENSOR_3V3 is not up during suspend
1117         */
1118        s3c2410_gpio_setpin(pdata->pin_chip_select, 0);
1119        s3c2410_gpio_setpin(pdata->pin_clk, 0);
1120        s3c2410_gpio_setpin(pdata->pin_mosi, 0);
1121        /* misnomer: it is a pullDOWN in 2442 */
1122        s3c2410_gpio_pullup(pdata->pin_miso, 1);
1123        return;
1124    }
1125
1126    /* back to normal */
1127    s3c2410_gpio_setpin(pdata->pin_chip_select, 1);
1128    s3c2410_gpio_setpin(pdata->pin_clk, 1);
1129    /* misnomer: it is a pullDOWN in 2442 */
1130    s3c2410_gpio_pullup(pdata->pin_miso, 0);
1131
1132    s3c2410_gpio_cfgpin(pdata->pin_chip_select, S3C2410_GPIO_OUTPUT);
1133    s3c2410_gpio_cfgpin(pdata->pin_clk, S3C2410_GPIO_OUTPUT);
1134    s3c2410_gpio_cfgpin(pdata->pin_mosi, S3C2410_GPIO_OUTPUT);
1135    s3c2410_gpio_cfgpin(pdata->pin_miso, S3C2410_GPIO_INPUT);
1136
1137}
1138
1139struct lis302dl_platform_data lis302_pdata_top = {
1140        .name = "lis302-1 (top)",
1141        .pin_chip_select= S3C2410_GPD12,
1142        .pin_clk = S3C2410_GPG7,
1143        .pin_mosi = S3C2410_GPG6,
1144        .pin_miso = S3C2410_GPG5,
1145        .interrupt = GTA02_IRQ_GSENSOR_1,
1146        .open_drain = 1, /* altered at runtime by PCB rev */
1147        .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1148};
1149
1150struct lis302dl_platform_data lis302_pdata_bottom = {
1151        .name = "lis302-2 (bottom)",
1152        .pin_chip_select= S3C2410_GPD13,
1153        .pin_clk = S3C2410_GPG7,
1154        .pin_mosi = S3C2410_GPG6,
1155        .pin_miso = S3C2410_GPG5,
1156        .interrupt = GTA02_IRQ_GSENSOR_2,
1157        .open_drain = 1, /* altered at runtime by PCB rev */
1158        .lis302dl_suspend_io = gta02_lis302dl_suspend_io,
1159};
1160
1161static struct spi_board_info gta02_spi_board_info[] = {
1162    {
1163        .modalias = "jbt6k74",
1164        .platform_data = &jbt6k74_pdata,
1165        .controller_data = (void*)GTA02_GPIO_GLAMO(12),
1166        /* irq */
1167        .max_speed_hz = 100 * 1000,
1168        .bus_num = 2,
1169        .chip_select = 0
1170    },
1171    {
1172        .modalias = "lis302dl",
1173        /* platform_data */
1174        .platform_data = &lis302_pdata_top,
1175        /* controller_data */
1176        /* irq */
1177        .max_speed_hz = 100 * 1000,
1178        .bus_num = 3,
1179        .chip_select = 0,
1180    },
1181
1182    {
1183        .modalias = "lis302dl",
1184        /* platform_data */
1185        .platform_data = &lis302_pdata_bottom,
1186        /* controller_data */
1187        /* irq */
1188        .max_speed_hz = 100 * 1000,
1189        .bus_num = 3,
1190        .chip_select = 1,
1191    },
1192
1193};
1194
1195static void gta02_lis302_chip_select(struct s3c2410_spigpio_info *info, int csid, int cs)
1196{
1197
1198    /*
1199     * Huh... "quirk"... CS on this device is not really "CS" like you can
1200     * expect.
1201     *
1202     * When it is 0 it selects SPI interface mode.
1203     * When it is 1 it selects I2C interface mode.
1204     *
1205     * Because we have 2 devices on one interface we have to make sure
1206     * that the "disabled" device (actually in I2C mode) don't think we're
1207     * talking to it.
1208     *
1209     * When we talk to the "enabled" device, the "disabled" device sees
1210     * the clocks as I2C clocks, creating havoc.
1211     *
1212     * I2C sees MOSI going LOW while CLK HIGH as a START action, thus we
1213     * must ensure this is never issued.
1214     */
1215
1216    int cs_gpio, other_cs_gpio;
1217
1218    cs_gpio = csid ? S3C2410_GPD13 : S3C2410_GPD12;
1219    other_cs_gpio = (1 - csid) ? S3C2410_GPD13 : S3C2410_GPD12;
1220    
1221
1222    if (cs == BITBANG_CS_ACTIVE) {
1223        s3c2410_gpio_setpin(other_cs_gpio, 1);
1224        s3c2410_gpio_setpin(cs_gpio, 1);
1225        s3c2410_gpio_setpin(info->pin_clk, 1);
1226        s3c2410_gpio_setpin(cs_gpio, 0);
1227    } else {
1228        s3c2410_gpio_setpin(cs_gpio, 1);
1229        s3c2410_gpio_setpin(other_cs_gpio, 1);
1230    }
1231}
1232
1233static struct s3c2410_spigpio_info gta02_spigpio_cfg = {
1234    .pin_clk = S3C2410_GPG7,
1235    .pin_mosi = S3C2410_GPG6,
1236    .pin_miso = S3C2410_GPG5,
1237    .bus_num = 3,
1238    .num_chipselect = 2,
1239    .chip_select = gta02_lis302_chip_select,
1240    .non_blocking_transfer = 1,
1241};
1242
1243static struct platform_device gta02_spi_gpio_dev = {
1244    .name = "spi_s3c24xx_gpio",
1245    .dev = {
1246        .platform_data = &gta02_spigpio_cfg,
1247    },
1248};
1249
1250/*----------- / SPI: Accelerometers attached to SPI of s3c244x ----------------- */
1251
1252static struct gpio_led gta02_gpio_leds[] = {
1253    {
1254        .name = "gta02-power:orange",
1255        .gpio = GTA02_GPIO_PWR_LED1,
1256    }, {
1257        .name = "gta02-power:blue",
1258        .gpio = GTA02_GPIO_PWR_LED2,
1259    }, {
1260        .name = "gta02-aux:red",
1261        .gpio = GTA02_GPIO_AUX_LED,
1262    },
1263};
1264
1265static struct gpio_led_platform_data gta02_gpio_leds_pdata = {
1266    .leds = gta02_gpio_leds,
1267    .num_leds = ARRAY_SIZE(gta02_gpio_leds),
1268};
1269
1270struct platform_device gta02_led_dev = {
1271    .name = "leds-gpio",
1272    .id = -1,
1273    .dev = {
1274        .platform_data = &gta02_gpio_leds_pdata,
1275    },
1276};
1277
1278static struct gpio_keys_button gta02_buttons[] = {
1279    {
1280        .gpio = GTA02_GPIO_AUX_KEY,
1281        .code = KEY_PHONE,
1282        .desc = "Aux",
1283        .type = EV_KEY,
1284    },
1285    {
1286        .gpio = GTA02_GPIO_HOLD_KEY,
1287        .code = KEY_PAUSE,
1288        .desc = "Hold",
1289        .type = EV_KEY,
1290    },
1291};
1292
1293static struct gpio_keys_platform_data gta02_buttons_pdata = {
1294    .buttons = gta02_buttons,
1295    .nbuttons = ARRAY_SIZE(gta02_buttons),
1296};
1297
1298static struct platform_device gta02_button_dev = {
1299    .name = "gpio-keys",
1300    .id = -1,
1301    .dev = {
1302        .platform_data = &gta02_buttons_pdata,
1303    },
1304};
1305
1306static struct platform_device gta02_pm_usbhost_dev = {
1307    .name = "gta02-pm-host",
1308};
1309
1310/* USB */
1311static struct s3c2410_hcd_info gta02_usb_info = {
1312    .port[0] = {
1313        .flags = S3C_HCDFLG_USED,
1314    },
1315    .port[1] = {
1316        .flags = 0,
1317    },
1318};
1319
1320static int glamo_irq_is_wired(void)
1321{
1322    int rc;
1323    int count = 0;
1324
1325    /*
1326    * GTA02 S-Media IRQs prior to A5 are broken due to a lack of
1327    * a pullup on the INT# line. Check for the bad behaviour.
1328    */
1329    s3c2410_gpio_setpin(S3C2410_GPG4, 0);
1330    s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_OUTP);
1331    s3c2410_gpio_cfgpin(S3C2410_GPG4, S3C2410_GPG4_INP);
1332    /*
1333    * we force it low ourselves for a moment and resume being input.
1334    * If there is a pullup, it won't stay low for long. But if the
1335    * level converter is there as on < A5 revision, the weak keeper
1336    * on the input of the LC will hold the line low indefinitiely
1337    */
1338    do
1339        rc = s3c2410_gpio_getpin(S3C2410_GPG4);
1340    while ((!rc) && ((count++) < 10));
1341    if (rc) { /* it got pulled back up, it's good */
1342        printk(KERN_INFO "Detected S-Media IRQ# pullup, "
1343        "enabling interrupt\n");
1344        return 0;
1345    } else /* Gah we can't work with this level converter */
1346        printk(KERN_WARNING "** Detected bad IRQ# circuit found"
1347        " on pre-A5 GTA02: S-Media interrupt disabled **\n");
1348    return -ENODEV;
1349}
1350
1351/* Smedia Glamo 3362 */
1352
1353/*
1354 * we crank down SD Card clock dynamically when GPS is powered
1355 */
1356
1357static int gta02_glamo_mci_use_slow(void)
1358{
1359    return gta02_pm_gps_is_on();
1360}
1361
1362static void gta02_glamo_external_reset(int level)
1363{
1364    s3c2410_gpio_setpin(GTA02_GPIO_3D_RESET, level);
1365    s3c2410_gpio_cfgpin(GTA02_GPIO_3D_RESET, S3C2410_GPIO_OUTPUT);
1366}
1367
1368/*
1369static struct fb_videomode gta02_glamo_modes[] = {
1370    {
1371        .name = "480x640",
1372        .xres = 480,
1373        .yres = 640,
1374        .pixclock = 40816,
1375        .left_margin = 8,
1376        .right_margin = 63,
1377        .upper_margin = 2,
1378        .lower_margin = 4,
1379        .hsync_len = 8,
1380        .vsync_len = 2,
1381        .vmode = FB_VMODE_NONINTERLACED,
1382    }, {
1383        .name = "240x320",
1384        .xres = 240,
1385        .yres = 320,
1386        .pixclock = 40816,
1387        .left_margin = 8,
1388        .right_margin = 88,
1389        .upper_margin = 2,
1390        .lower_margin = 2,
1391        .hsync_len = 8,
1392        .vsync_len = 2,
1393        .vmode = FB_VMODE_NONINTERLACED,
1394    }
1395};*/
1396
1397static struct fb_videomode gta02_glamo_modes[] = {
1398    {
1399        .name = "480x640",
1400        .xres = 480,
1401        .yres = 640,
1402        .pixclock = 40816,
1403        .left_margin = 8,
1404        .right_margin = 16,
1405        .upper_margin = 2,
1406        .lower_margin = 16,
1407        .hsync_len = 8,
1408        .vsync_len = 2,
1409        .vmode = FB_VMODE_NONINTERLACED,
1410    }, {
1411        .name = "240x320",
1412        .xres = 240,
1413        .yres = 320,
1414        .pixclock = 40816,
1415        .left_margin = 8,
1416        .right_margin = 16,
1417        .upper_margin = 2,
1418        .lower_margin = 16,
1419        .hsync_len = 8,
1420        .vsync_len = 2,
1421        .vmode = FB_VMODE_NONINTERLACED,
1422    }
1423};
1424
1425
1426static struct glamo_fb_platform_data gta02_glamo_fb_pdata = {
1427    .width = 43,
1428    .height = 58,
1429
1430    .num_modes = ARRAY_SIZE(gta02_glamo_modes),
1431    .modes = gta02_glamo_modes,
1432};
1433
1434static struct glamo_mmc_platform_data gta02_glamo_mmc_pdata = {
1435    .glamo_mmc_use_slow = gta02_glamo_mci_use_slow,
1436};
1437
1438static struct glamo_platform_data gta02_glamo_pdata = {
1439    .fb_data = &gta02_glamo_fb_pdata,
1440    .mmc_data = &gta02_glamo_mmc_pdata,
1441    .gpio_base = GTA02_GPIO_GLAMO_BASE,
1442
1443    .osci_clock_rate = 32768,
1444
1445    .glamo_irq_is_wired = glamo_irq_is_wired,
1446    .glamo_external_reset = gta02_glamo_external_reset,
1447};
1448
1449static struct resource gta02_glamo_resources[] = {
1450    [0] = {
1451        .start = S3C2410_CS1,
1452        .end = S3C2410_CS1 + 0x1000000 - 1,
1453        .flags = IORESOURCE_MEM,
1454    },
1455    [1] = {
1456        .start = GTA02_IRQ_3D,
1457        .end = GTA02_IRQ_3D,
1458        .flags = IORESOURCE_IRQ,
1459    },
1460    [2] = {
1461        .start = GTA02_GPIO_3D_RESET,
1462        .end = GTA02_GPIO_3D_RESET,
1463    },
1464};
1465
1466static struct platform_device gta02_glamo_dev = {
1467    .name = "glamo3362",
1468    .num_resources = ARRAY_SIZE(gta02_glamo_resources),
1469    .resource = gta02_glamo_resources,
1470    .dev = {
1471        .platform_data = &gta02_glamo_pdata,
1472    },
1473};
1474
1475static void mangle_glamo_res_by_system_rev(void)
1476{
1477    switch (S3C_SYSTEM_REV_ATAG) {
1478    case GTA02v1_SYSTEM_REV:
1479        break;
1480    default:
1481        gta02_glamo_resources[2].start = GTA02_GPIO_3D_RESET;
1482        gta02_glamo_resources[2].end = GTA02_GPIO_3D_RESET;
1483        break;
1484    }
1485
1486    switch (S3C_SYSTEM_REV_ATAG) {
1487    case GTA02v1_SYSTEM_REV:
1488    case GTA02v2_SYSTEM_REV:
1489    case GTA02v3_SYSTEM_REV:
1490    /* case GTA02v4_SYSTEM_REV: - FIXME: handle this later */
1491        /* The hardware is missing a pull-up resistor and thus can't
1492         * support the Smedia Glamo IRQ */
1493        gta02_glamo_resources[1].start = 0;
1494        gta02_glamo_resources[1].end = 0;
1495        break;
1496    }
1497}
1498
1499struct spi_gpio_platform_data spigpio_platform_data = {
1500    .sck = GTA02_GPIO_GLAMO(10),
1501    .mosi = GTA02_GPIO_GLAMO(11),
1502    .miso = GTA02_GPIO_GLAMO(5),
1503    .num_chipselect = 1,
1504};
1505
1506static struct platform_device spigpio_device = {
1507    .name = "spi_gpio",
1508    .id = 2,
1509    .dev = {
1510        .platform_data = &spigpio_platform_data,
1511        .parent = &gta02_glamo_dev.dev,
1512    },
1513};
1514
1515static void __init gta02_map_io(void)
1516{
1517    s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
1518    s3c24xx_init_clocks(12000000);
1519    s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
1520}
1521
1522static irqreturn_t gta02_modem_irq(int irq, void *param)
1523{
1524/* printk(KERN_DEBUG "modem wakeup interrupt\n");*/
1525    gta_gsm_interrupts++;
1526    return IRQ_HANDLED;
1527}
1528
1529static irqreturn_t ar6000_wow_irq(int irq, void *param)
1530{
1531/* printk(KERN_DEBUG "ar6000_wow interrupt\n");*/
1532    return IRQ_HANDLED;
1533}
1534
1535/*
1536 * hardware_ecc=1|0
1537 */
1538static char hardware_ecc_str[4] __initdata = "";
1539
1540static int __init hardware_ecc_setup(char *str)
1541{
1542    if (str)
1543        strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str));
1544    return 1;
1545}
1546
1547__setup("hardware_ecc=", hardware_ecc_setup);
1548
1549/* these are the guys that don't need to be children of PMU */
1550
1551static struct platform_device *gta02_devices[] __initdata = {
1552    &s3c_device_usb,
1553    &s3c_device_wdt,
1554    &s3c_device_sdi,
1555    &s3c_device_usbgadget,
1556    &s3c_device_nand,
1557    &gta02_nor_flash,
1558
1559    &s3c24xx_pwm_device,
1560    &gta02_led_dev,
1561    &gta02_pm_wlan_dev, /* not dependent on PMU */
1562    &s3c_device_iis,
1563    &s3c_device_i2c0,
1564};
1565
1566/* these guys DO need to be children of PMU */
1567
1568static struct platform_device *gta02_devices_pmu_children[] = {
1569    &s3c_device_ts, /* input 1 */
1570    &gta02_pm_gsm_dev,
1571    &gta02_pm_usbhost_dev,
1572    &gta02_spi_gpio_dev, /* input 2 and 3 */
1573    &gta02_button_dev, /* input 4 */
1574    &gta02_resume_reason_device,
1575};
1576
1577static void gta02_register_glamo(void)
1578{
1579    platform_device_register(&gta02_glamo_dev);
1580    if (gpio_request(GTA02_GPIO_GLAMO(4), "jbt6k74 reset"))
1581        printk("gta02: Failed to request jbt6k74 reset pin\n");
1582    if (gpio_direction_output(GTA02_GPIO_GLAMO(4), 1))
1583        printk("gta02: Failed to configure jbt6k74 reset pin\n");
1584    platform_device_register(&spigpio_device);
1585}
1586
1587static void gta02_pmu_regulator_registered(struct pcf50633 *pcf, int id)
1588{
1589    struct platform_device *regulator, *pdev;
1590
1591    gta02_pcf = pcf;
1592
1593    regulator = pcf->regulator_pdev[id];
1594
1595    switch(id) {
1596        case PCF50633_REGULATOR_LDO4:
1597            pdev = &gta02_pm_bt_dev;
1598            break;
1599        case PCF50633_REGULATOR_LDO5:
1600            pdev = &gta02_pm_gps_dev;
1601            break;
1602        case PCF50633_REGULATOR_HCLDO:
1603            gta02_register_glamo();
1604            return;
1605        default:
1606            return;
1607    }
1608
1609    pdev->dev.parent = &regulator->dev;
1610    platform_device_register(pdev);
1611}
1612
1613/* this is called when pc50633 is probed, unfortunately quite late in the
1614 * day since it is an I2C bus device. Here we can belatedly define some
1615 * platform devices with the advantage that we can mark the pcf50633 as the
1616 * parent. This makes them get suspended and resumed with their parent
1617 * the pcf50633 still around.
1618 */
1619
1620static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
1621{
1622    int n;
1623
1624    for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
1625        gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
1626
1627    mangle_glamo_res_by_system_rev();
1628    platform_add_devices(gta02_devices_pmu_children,
1629                    ARRAY_SIZE(gta02_devices_pmu_children));
1630
1631    regulator_has_full_constraints();
1632}
1633
1634static void gta02_poweroff(void)
1635{
1636    pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN,
1637          PCF50633_OOCSHDWN_GOSTDBY, PCF50633_OOCSHDWN_GOSTDBY);
1638}
1639
1640
1641/* On hardware rev 5 and earlier the leds are missing a resistor and reading
1642 * from their gpio pins will always return 0, so we have to shadow the
1643 * led states software */
1644static unsigned long gpb_shadow;
1645extern struct s3c_gpio_chip s3c24xx_gpios[];
1646
1647static void gta02_gpb_set(struct gpio_chip *chip,
1648                unsigned offset, int value)
1649{
1650    void __iomem *base = S3C24XX_GPIO_BASE(S3C2410_GPB0);
1651    unsigned long flags;
1652    unsigned long dat;
1653
1654    local_irq_save(flags);
1655
1656    dat = __raw_readl(base + 0x04) | gpb_shadow;
1657    dat &= ~(1 << offset);
1658    gpb_shadow &= ~(1 << offset);
1659    if (value) {
1660        dat |= 1 << offset;
1661        switch (offset) {
1662        case 0 ... 2:
1663            gpb_shadow |= 1 << offset;
1664            break;
1665        default:
1666            break;
1667        }
1668    }
1669    __raw_writel(dat, base + 0x04);
1670
1671    local_irq_restore(flags);
1672}
1673
1674static int gta02_gpb_get(struct gpio_chip *chip, unsigned offset)
1675{
1676    void __iomem *base = S3C24XX_GPIO_BASE(S3C2410_GPB0);
1677    unsigned long val;
1678
1679    val = __raw_readl(base + 0x04) | gpb_shadow;
1680    val >>= offset;
1681    val &= 1;
1682
1683    return val;
1684}
1685
1686static void gta02_hijack_gpb(void) {
1687    s3c24xx_gpios[1].chip.set = gta02_gpb_set;
1688    s3c24xx_gpios[1].chip.get = gta02_gpb_get;
1689}
1690
1691static void __init gta02_machine_init(void)
1692{
1693    int rc;
1694
1695    /* set the panic callback to make AUX blink fast */
1696    panic_blink = gta02_panic_blink;
1697
1698    switch (S3C_SYSTEM_REV_ATAG) {
1699    case GTA02v6_SYSTEM_REV:
1700        /* we need push-pull interrupt from motion sensors */
1701        lis302_pdata_top.open_drain = 0;
1702        lis302_pdata_bottom.open_drain = 0;
1703        break;
1704    default:
1705        break;
1706    }
1707    if (S3C_SYSTEM_REV_ATAG <= GTA02v5_SYSTEM_REV)
1708        gta02_hijack_gpb();
1709
1710    spin_lock_init(&motion_irq_lock);
1711
1712#ifdef CONFIG_CHARGER_PCF50633
1713    INIT_DELAYED_WORK(&gta02_charger_work, gta02_charger_worker);
1714#endif
1715
1716    /* Glamo chip select optimization */
1717/* *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */
1718
1719    /* do not force soft ecc if we are asked to use hardware_ecc */
1720    if (hardware_ecc_str[0] == '1')
1721        gta02_nand_info.software_ecc = 0;
1722
1723    s3c_device_usb.dev.platform_data = &gta02_usb_info;
1724    s3c_device_nand.dev.platform_data = &gta02_nand_info;
1725    s3c_device_sdi.dev.platform_data = &gta02_s3c_mmc_cfg;
1726
1727    /* acc sensor chip selects */
1728    s3c2410_gpio_setpin(S3C2410_GPD12, 1);
1729    s3c2410_gpio_cfgpin(S3C2410_GPD12, S3C2410_GPIO_OUTPUT);
1730    s3c2410_gpio_setpin(S3C2410_GPD13, 1);
1731    s3c2410_gpio_cfgpin(S3C2410_GPD13, S3C2410_GPIO_OUTPUT);
1732
1733
1734    s3c24xx_udc_set_platdata(&gta02_udc_cfg);
1735    s3c_i2c0_set_platdata(NULL);
1736    set_s3c2410ts_info(&gta02_ts_cfg);
1737
1738    mangle_glamo_res_by_system_rev();
1739
1740    i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
1741    spi_register_board_info(gta02_spi_board_info,
1742                ARRAY_SIZE(gta02_spi_board_info));
1743
1744#ifdef CONFIG_CHARGER_PCF50633
1745    mangle_pmu_pdata_by_system_rev();
1746#endif
1747
1748    platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
1749
1750    s3c_pm_init();
1751
1752    /* Make sure the modem can wake us up */
1753    set_irq_type(GTA02_IRQ_MODEM, IRQ_TYPE_EDGE_RISING);
1754    rc = request_irq(GTA02_IRQ_MODEM, gta02_modem_irq, IRQF_DISABLED,
1755             "modem", NULL);
1756    if (rc < 0)
1757        printk(KERN_ERR "GTA02: can't request GSM modem wakeup IRQ\n");
1758    enable_irq_wake(GTA02_IRQ_MODEM);
1759
1760    /* Make sure the wifi module can wake us up*/
1761    set_irq_type(GTA02_IRQ_WLAN_GPIO1, IRQ_TYPE_EDGE_RISING);
1762    rc = request_irq(GTA02_IRQ_WLAN_GPIO1, ar6000_wow_irq, IRQF_DISABLED,
1763            "ar6000", NULL);
1764
1765    if (rc < 0)
1766        printk(KERN_ERR "GTA02: can't request ar6k wakeup IRQ\n");
1767    enable_irq_wake(GTA02_IRQ_WLAN_GPIO1);
1768
1769    pm_power_off = gta02_poweroff;
1770
1771    /* Register the HDQ and vibrator as children of pwm device */
1772#ifdef CONFIG_HDQ_GPIO_BITBANG
1773    gta02_hdq_device.dev.parent = &s3c24xx_pwm_device.dev;
1774    platform_device_register(&gta02_hdq_device);
1775#endif
1776#ifdef CONFIG_LEDS_GTA02_VIBRATOR
1777    gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev;
1778    platform_device_register(&gta02_vibrator_dev);
1779#endif
1780}
1781
1782void DEBUG_LED(int n)
1783{
1784    switch (n) {
1785    case 0:
1786        s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED1, 1);
1787        break;
1788    case 1:
1789        s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED2, 1);
1790        break;
1791    default:
1792        s3c2410_gpio_setpin(GTA02_GPIO_AUX_LED, 1);
1793        break;
1794    }
1795}
1796EXPORT_SYMBOL_GPL(DEBUG_LED);
1797
1798MACHINE_START(NEO1973_GTA02, "GTA02")
1799    .phys_io = S3C2410_PA_UART,
1800    .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
1801    .boot_params = S3C2410_SDRAM_PA + 0x100,
1802    .map_io = gta02_map_io,
1803    .init_irq = s3c24xx_init_irq,
1804    .init_machine = gta02_machine_init,
1805    .timer = &s3c24xx_timer,
1806MACHINE_END
1807

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