magician.c 14 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
/*
 * Support for HTC Magician PDA phones:
 * i-mate JAM, O2 Xda mini, Orange SPV M500, Qtek s100, Qtek s110
 * and T-Mobile MDA Compact.
 *
 * Copyright (c) 2006-2007 Philipp Zabel
 *
 * Based on hx4700.c, spitz.c and others.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
19
#include <linux/delay.h>
20
21
#include <linux/gpio_keys.h>
#include <linux/input.h>
22
#include <linux/mfd/htc-egpio.h>
23
#include <linux/mfd/htc-pasic3.h>
24
25
26
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/mtd/physmap.h>
27
#include <linux/pda_power.h>
28
29
30
31
32
33
34
35

#include <asm/gpio.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/arch/magician.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxafb.h>
36
#include <asm/arch/i2c.h>
37
#include <asm/arch/mmc.h>
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
#include <asm/arch/irda.h>
#include <asm/arch/ohci.h>

#include "generic.h"

/*
 * IRDA
 */

static void magician_irda_transceiver_mode(struct device *dev, int mode)
{
	gpio_set_value(GPIO83_MAGICIAN_nIR_EN, mode & IR_OFF);
}

static struct pxaficp_platform_data magician_ficp_info = {
	.transceiver_cap  = IR_SIRMODE | IR_OFF,
	.transceiver_mode = magician_irda_transceiver_mode,
};

/*
 * GPIO Keys
 */

static struct gpio_keys_button magician_button_table[] = {
	{KEY_POWER,      GPIO0_MAGICIAN_KEY_POWER,      0, "Power button"},
	{KEY_ESC,        GPIO37_MAGICIAN_KEY_HANGUP,    0, "Hangup button"},
	{KEY_F10,        GPIO38_MAGICIAN_KEY_CONTACTS,  0, "Contacts button"},
	{KEY_CALENDAR,   GPIO90_MAGICIAN_KEY_CALENDAR,  0, "Calendar button"},
	{KEY_CAMERA,     GPIO91_MAGICIAN_KEY_CAMERA,    0, "Camera button"},
	{KEY_UP,         GPIO93_MAGICIAN_KEY_UP,        0, "Up button"},
	{KEY_DOWN,       GPIO94_MAGICIAN_KEY_DOWN,      0, "Down button"},
	{KEY_LEFT,       GPIO95_MAGICIAN_KEY_LEFT,      0, "Left button"},
	{KEY_RIGHT,      GPIO96_MAGICIAN_KEY_RIGHT,     0, "Right button"},
	{KEY_KPENTER,    GPIO97_MAGICIAN_KEY_ENTER,     0, "Action button"},
	{KEY_RECORD,     GPIO98_MAGICIAN_KEY_RECORD,    0, "Record button"},
	{KEY_VOLUMEUP,   GPIO100_MAGICIAN_KEY_VOL_UP,   0, "Volume up"},
	{KEY_VOLUMEDOWN, GPIO101_MAGICIAN_KEY_VOL_DOWN, 0, "Volume down"},
	{KEY_PHONE,      GPIO102_MAGICIAN_KEY_PHONE,    0, "Phone button"},
	{KEY_PLAY,       GPIO99_MAGICIAN_HEADPHONE_IN,  0, "Headset button"},
};

static struct gpio_keys_platform_data gpio_keys_data = {
	.buttons  = magician_button_table,
	.nbuttons = ARRAY_SIZE(magician_button_table),
};

static struct platform_device gpio_keys = {
	.name = "gpio-keys",
	.dev  = {
		.platform_data = &gpio_keys_data,
	},
	.id   = -1,
};

92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147

/*
 * EGPIO (Xilinx CPLD)
 *
 * 7 32-bit aligned 8-bit registers: 3x output, 1x irq, 3x input
 */

static struct resource egpio_resources[] = {
	[0] = {
		.start = PXA_CS3_PHYS,
		.end   = PXA_CS3_PHYS + 0x20,
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ),
		.end   = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ),
		.flags = IORESOURCE_IRQ,
	},
};

static struct htc_egpio_chip egpio_chips[] = {
	[0] = {
		.reg_start = 0,
		.gpio_base = MAGICIAN_EGPIO(0, 0),
		.num_gpios = 24,
		.direction = HTC_EGPIO_OUTPUT,
		.initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */
	},
	[1] = {
		.reg_start = 4,
		.gpio_base = MAGICIAN_EGPIO(4, 0),
		.num_gpios = 24,
		.direction = HTC_EGPIO_INPUT,
	},
};

static struct htc_egpio_platform_data egpio_info = {
	.reg_width    = 8,
	.bus_width    = 32,
	.irq_base     = IRQ_BOARD_START,
	.num_irqs     = 4,
	.ack_register = 3,
	.chip         = egpio_chips,
	.num_chips    = ARRAY_SIZE(egpio_chips),
};

static struct platform_device egpio = {
	.name          = "htc-egpio",
	.id            = -1,
	.resource      = egpio_resources,
	.num_resources = ARRAY_SIZE(egpio_resources),
	.dev = {
		.platform_data = &egpio_info,
	},
};

148
/*
149
 * LCD - Toppoly TD028STEB1 or Samsung LTP280QV
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
 */

static struct pxafb_mode_info toppoly_modes[] = {
	{
		.pixclock     = 96153,
		.bpp          = 16,
		.xres         = 240,
		.yres         = 320,
		.hsync_len    = 11,
		.vsync_len    = 3,
		.left_margin  = 19,
		.upper_margin = 2,
		.right_margin = 10,
		.lower_margin = 2,
		.sync         = 0,
	},
};

168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
static struct pxafb_mode_info samsung_modes[] = {
	{
		.pixclock     = 96153,
		.bpp          = 16,
		.xres         = 240,
		.yres         = 320,
		.hsync_len    = 8,
		.vsync_len    = 4,
		.left_margin  = 9,
		.upper_margin = 4,
		.right_margin = 9,
		.lower_margin = 4,
		.sync         = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
	},
};

static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si)
{
	pr_debug("Toppoly LCD power\n");

	if (on) {
		pr_debug("on\n");
		gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1);
		gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1);
		udelay(2000);
		gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
		udelay(2000);
		/* FIXME: enable LCDC here */
		udelay(2000);
		gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1);
		udelay(2000);
		gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1);
	} else {
		pr_debug("off\n");
		msleep(15);
		gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0);
		udelay(500);
		gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0);
		udelay(1000);
		gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0);
		gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
	}
}

static void samsung_lcd_power(int on, struct fb_var_screeninfo *si)
{
	pr_debug("Samsung LCD power\n");

	if (on) {
		pr_debug("on\n");
		if (system_rev < 3)
			gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1);
		else
			gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
		mdelay(10);
		gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1);
		mdelay(10);
		gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1);
		mdelay(30);
		gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1);
		mdelay(10);
	} else {
		pr_debug("off\n");
		mdelay(10);
		gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0);
		mdelay(30);
		gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0);
		mdelay(10);
		gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0);
		mdelay(10);
		if (system_rev < 3)
			gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
		else
			gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
	}
}

245
static struct pxafb_mach_info toppoly_info = {
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
	.modes           = toppoly_modes,
	.num_modes       = 1,
	.fixed_modes     = 1,
	.lccr0           = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
	.lccr3           = LCCR3_PixRsEdg,
	.pxafb_lcd_power = toppoly_lcd_power,
};

static struct pxafb_mach_info samsung_info = {
	.modes           = samsung_modes,
	.num_modes       = 1,
	.fixed_modes     = 1,
	.lccr0           = LCCR0_LDDALT | LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
	.lccr3           = LCCR3_PixFlEdg,
	.pxafb_lcd_power = samsung_lcd_power,
261
262
263
264
265
266
267
268
269
270
271
};

/*
 * Backlight
 */

static void magician_set_bl_intensity(int intensity)
{
	if (intensity) {
		PWM_CTRL0 = 1;
		PWM_PERVAL0 = 0xc8;
272
273
274
275
276
277
278
279
		if (intensity > 0xc7) {
			PWM_PWDUTY0 = intensity - 0x48;
			gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
		} else {
			PWM_PWDUTY0 = intensity;
			gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
		}
		gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 1);
280
281
		pxa_set_cken(CKEN_PWM0, 1);
	} else {
282
283
		/* PWM_PWDUTY0 = intensity; */
		gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 0);
284
285
286
287
288
289
290
		pxa_set_cken(CKEN_PWM0, 0);
	}
}

static struct generic_bl_info backlight_info = {
	.default_intensity = 0x64,
	.limit_mask        = 0x0b,
291
	.max_intensity     = 0xc7+0x48,
292
293
294
295
	.set_bl_intensity  = magician_set_bl_intensity,
};

static struct platform_device backlight = {
296
	.name = "generic-bl",
297
298
299
300
301
302
	.dev  = {
		.platform_data = &backlight_info,
	},
	.id   = -1,
};

303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
/*
 * LEDs
 */

struct gpio_led gpio_leds[] = {
	{
		.name = "magician::vibra",
		.default_trigger = "none",
		.gpio = GPIO22_MAGICIAN_VIBRA_EN,
	},
	{
		.name = "magician::phone_bl",
		.default_trigger = "none",
		.gpio = GPIO103_MAGICIAN_LED_KP,
	},
};

static struct gpio_led_platform_data gpio_led_info = {
	.leds = gpio_leds,
	.num_leds = ARRAY_SIZE(gpio_leds),
};

static struct platform_device leds_gpio = {
	.name = "leds-gpio",
	.id   = -1,
	.dev  = {
		.platform_data = &gpio_led_info,
	},
};

static struct pasic3_led pasic3_leds[] = {
	{
		.led = {
			.name            = "magician:red",
			.default_trigger = "ds2760-battery.0-charging",
		},
		.hw_num = 0,
		.bit2   = PASIC3_BIT2_LED0,
		.mask   = PASIC3_MASK_LED0,
	},
	{
		.led = {
			.name            = "magician:green",
			.default_trigger = "ds2760-battery.0-charging-or-full",
		},
		.hw_num = 1,
		.bit2   = PASIC3_BIT2_LED1,
		.mask   = PASIC3_MASK_LED1,
	},
	{
		.led = {
			.name            = "magician:blue",
			.default_trigger = "bluetooth",
		},
		.hw_num = 2,
		.bit2   = PASIC3_BIT2_LED2,
		.mask   = PASIC3_MASK_LED2,
	},
};

static struct platform_device pasic3;

static struct pasic3_leds_machinfo __devinit pasic3_leds_info = {
	.num_leds   = ARRAY_SIZE(pasic3_leds),
	.power_gpio = EGPIO_MAGICIAN_LED_POWER,
	.leds       = pasic3_leds,
};

/*
 * PASIC3 with DS1WM
 */

static struct resource pasic3_resources[] = {
	[0] = {
		.start  = PXA_CS2_PHYS,
		.end	= PXA_CS2_PHYS + 0x1b,
		.flags  = IORESOURCE_MEM,
	},
	/* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */
	[1] = {
		.start  = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ),
		.end    = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ),
		.flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	}
};

static struct pasic3_platform_data pasic3_platform_data = {
	.bus_shift  = 2,
	.led_pdata  = &pasic3_leds_info,
	.clock_rate = 4000000,
};

static struct platform_device pasic3 = {
	.name		= "pasic3",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(pasic3_resources),
	.resource	= pasic3_resources,
	.dev = {
		.platform_data = &pasic3_platform_data,
	},
};
404

405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
/*
 * External power
 */

static int magician_is_ac_online(void)
{
	return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_AC);
}

static int magician_is_usb_online(void)
{
	return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_USB);
}

static void magician_set_charge(int flags)
{
	gpio_set_value(GPIO30_MAGICIAN_nCHARGE_EN, !flags);
	gpio_set_value(EGPIO_MAGICIAN_CHARGE_EN, flags);
}

425
426
427
428
static char *magician_supplicants[] = {
	"ds2760-battery.0", "backup-battery"
};

429
static struct pda_power_pdata power_supply_info = {
430
431
432
433
434
	.is_ac_online    = magician_is_ac_online,
	.is_usb_online   = magician_is_usb_online,
	.set_charge      = magician_set_charge,
	.supplied_to     = magician_supplicants,
	.num_supplicants = ARRAY_SIZE(magician_supplicants),
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
};

static struct resource power_supply_resources[] = {
	[0] = {
		.name  = "ac",
		.flags = IORESOURCE_IRQ,
		.start = IRQ_MAGICIAN_AC,
		.end   = IRQ_MAGICIAN_AC,
	},
	[1] = {
		.name  = "usb",
		.flags = IORESOURCE_IRQ,
		.start = IRQ_MAGICIAN_AC,
		.end   = IRQ_MAGICIAN_AC,
	},
};

static struct platform_device power_supply = {
	.name = "pda-power",
	.id   = -1,
	.dev  = {
		.platform_data = &power_supply_info,
	},
	.resource      = power_supply_resources,
	.num_resources = ARRAY_SIZE(power_supply_resources),
};


463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
/*
 * MMC/SD
 */

static int magician_mci_init(struct device *dev,
				irq_handler_t detect_irq, void *data)
{
	return request_irq(IRQ_MAGICIAN_SD, detect_irq,
				IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
				"MMC card detect", data);
}

static void magician_mci_setpower(struct device *dev, unsigned int vdd)
{
	struct pxamci_platform_data *pdata = dev->platform_data;

	gpio_set_value(EGPIO_MAGICIAN_SD_POWER, (1 << vdd) & pdata->ocr_mask);
}

static int magician_mci_get_ro(struct device *dev)
{
	return (!gpio_get_value(EGPIO_MAGICIAN_nSD_READONLY));
}

static void magician_mci_exit(struct device *dev, void *data)
{
	free_irq(IRQ_MAGICIAN_SD, data);
}

static struct pxamci_platform_data magician_mci_info = {
	.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
	.init     = magician_mci_init,
	.get_ro   = magician_mci_get_ro,
	.setpower = magician_mci_setpower,
	.exit     = magician_mci_exit,
};


501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
/*
 * USB OHCI
 */

static int magician_ohci_init(struct device *dev)
{
	UHCHR = (UHCHR | UHCHR_SSEP2 | UHCHR_PCPL | UHCHR_CGR) &
	    ~(UHCHR_SSEP1 | UHCHR_SSEP3 | UHCHR_SSE);

	return 0;
}

static struct pxaohci_platform_data magician_ohci_info = {
	.port_mode    = PMM_PERPORT_MODE,
	.init         = magician_ohci_init,
	.power_budget = 0,
};


/*
 * StrataFlash
 */

524
525
526
527
528
static void magician_set_vpp(struct map_info *map, int vpp)
{
	gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp);
}

529
530
531
532
533
534
535
536
537
538
#define PXA_CS_SIZE		0x04000000

static struct resource strataflash_resource = {
	.start = PXA_CS0_PHYS,
	.end   = PXA_CS0_PHYS + PXA_CS_SIZE - 1,
	.flags = IORESOURCE_MEM,
};

static struct physmap_flash_data strataflash_data = {
	.width = 4,
539
	.set_vpp = magician_set_vpp,
540
541
542
543
544
545
};

static struct platform_device strataflash = {
	.name          = "physmap-flash",
	.id            = -1,
	.resource      = &strataflash_resource,
546
	.num_resources = 1,
547
548
549
550
551
552
553
554
555
556
557
	.dev = {
		.platform_data = &strataflash_data,
	},
};

/*
 * Platform devices
 */

static struct platform_device *devices[] __initdata = {
	&gpio_keys,
558
	&egpio,
559
	&backlight,
560
	&pasic3,
561
	&power_supply,
562
	&strataflash,
563
	&leds_gpio,
564
565
566
567
};

static void __init magician_init(void)
{
568
569
570
	void __iomem *cpld;
	int lcd_select;

571
	platform_add_devices(devices, ARRAY_SIZE(devices));
572
	pxa_set_i2c_info(NULL);
573
	pxa_set_mci_info(&magician_mci_info);
574
575
	pxa_set_ohci_info(&magician_ohci_info);
	pxa_set_ficp_info(&magician_ficp_info);
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592

	/* Check LCD type we have */
	cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000);
	if (cpld) {
		u8 board_id = __raw_readb(cpld+0x14);
		system_rev = board_id & 0x7;
		lcd_select = board_id & 0x8;
		iounmap(cpld);
		pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
		if (lcd_select && (system_rev < 3))
			pxa_gpio_mode(GPIO75_MAGICIAN_SAMSUNG_POWER_MD);
		pxa_gpio_mode(GPIO104_MAGICIAN_LCD_POWER_1_MD);
		pxa_gpio_mode(GPIO105_MAGICIAN_LCD_POWER_2_MD);
		pxa_gpio_mode(GPIO106_MAGICIAN_LCD_POWER_3_MD);
		set_pxa_fb_info(lcd_select ? &samsung_info : &toppoly_info);
	} else
		pr_err("LCD detection: CPLD mapping failed\n");
593
594
595
596
597
598
599
600
601
602
603
604
}


MACHINE_START(MAGICIAN, "HTC Magician")
	.phys_io = 0x40000000,
	.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
	.boot_params = 0xa0000100,
	.map_io = pxa_map_io,
	.init_irq = pxa27x_init_irq,
	.init_machine = magician_init,
	.timer = &pxa_timer,
MACHINE_END