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fix a kmap leak in virtio_console
[linux/fpc-iii.git] / arch / arm / mach-omap1 / board-ams-delta.c
blob2aab761ee68db7ae8fee7fd5eaf84e82f9c80572
1 /*
2 * linux/arch/arm/mach-omap1/board-ams-delta.c
3 *
4 * Modified from board-generic.c
5 *
6 * Board specific inits for the Amstrad E3 (codename Delta) videophone
7 *
8 * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14 #include <linux/basic_mmio_gpio.h>
15 #include <linux/gpio.h>
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/input.h>
19 #include <linux/interrupt.h>
20 #include <linux/leds.h>
21 #include <linux/platform_device.h>
22 #include <linux/regulator/consumer.h>
23 #include <linux/regulator/fixed.h>
24 #include <linux/regulator/machine.h>
25 #include <linux/serial_8250.h>
26 #include <linux/export.h>
27 #include <linux/omapfb.h>
28 #include <linux/io.h>
29 #include <linux/platform_data/gpio-omap.h>
30
31 #include <media/soc_camera.h>
32
33 #include <asm/serial.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
37
38 #include <mach/board-ams-delta.h>
39 #include <linux/platform_data/keypad-omap.h>
40 #include <mach/mux.h>
41
42 #include <mach/hardware.h>
43 #include <mach/ams-delta-fiq.h>
44 #include <mach/camera.h>
45 #include <mach/usb.h>
46
47 #include "iomap.h"
48 #include "common.h"
49
50 static const unsigned int ams_delta_keymap[] = {
51 KEY(0, 0, KEY_F1), /* Advert */
52
53 KEY(0, 3, KEY_COFFEE), /* Games */
54 KEY(0, 2, KEY_QUESTION), /* Directory */
55 KEY(2, 3, KEY_CONNECT), /* Internet */
56 KEY(1, 2, KEY_SHOP), /* Services */
57 KEY(1, 1, KEY_PHONE), /* VoiceMail */
58
59 KEY(0, 1, KEY_DELETE), /* Delete */
60 KEY(2, 2, KEY_PLAY), /* Play */
61 KEY(1, 0, KEY_PAGEUP), /* Up */
62 KEY(1, 3, KEY_PAGEDOWN), /* Down */
63 KEY(2, 0, KEY_EMAIL), /* ReadEmail */
64 KEY(2, 1, KEY_STOP), /* Stop */
65
66 /* Numeric keypad portion */
67 KEY(0, 7, KEY_KP1),
68 KEY(0, 6, KEY_KP2),
69 KEY(0, 5, KEY_KP3),
70 KEY(1, 7, KEY_KP4),
71 KEY(1, 6, KEY_KP5),
72 KEY(1, 5, KEY_KP6),
73 KEY(2, 7, KEY_KP7),
74 KEY(2, 6, KEY_KP8),
75 KEY(2, 5, KEY_KP9),
76 KEY(3, 6, KEY_KP0),
77 KEY(3, 7, KEY_KPASTERISK),
78 KEY(3, 5, KEY_KPDOT), /* # key */
79 KEY(7, 2, KEY_NUMLOCK), /* Mute */
80 KEY(7, 1, KEY_KPMINUS), /* Recall */
81 KEY(6, 1, KEY_KPPLUS), /* Redial */
82 KEY(7, 6, KEY_KPSLASH), /* Handsfree */
83 KEY(6, 0, KEY_ENTER), /* Video */
84
85 KEY(7, 4, KEY_CAMERA), /* Photo */
86
87 KEY(0, 4, KEY_F2), /* Home */
88 KEY(1, 4, KEY_F3), /* Office */
89 KEY(2, 4, KEY_F4), /* Mobile */
90 KEY(7, 7, KEY_F5), /* SMS */
91 KEY(7, 5, KEY_F6), /* Email */
92
93 /* QWERTY portion of keypad */
94 KEY(3, 4, KEY_Q),
95 KEY(3, 3, KEY_W),
96 KEY(3, 2, KEY_E),
97 KEY(3, 1, KEY_R),
98 KEY(3, 0, KEY_T),
99 KEY(4, 7, KEY_Y),
100 KEY(4, 6, KEY_U),
101 KEY(4, 5, KEY_I),
102 KEY(4, 4, KEY_O),
103 KEY(4, 3, KEY_P),
104
105 KEY(4, 2, KEY_A),
106 KEY(4, 1, KEY_S),
107 KEY(4, 0, KEY_D),
108 KEY(5, 7, KEY_F),
109 KEY(5, 6, KEY_G),
110 KEY(5, 5, KEY_H),
111 KEY(5, 4, KEY_J),
112 KEY(5, 3, KEY_K),
113 KEY(5, 2, KEY_L),
114
115 KEY(5, 1, KEY_Z),
116 KEY(5, 0, KEY_X),
117 KEY(6, 7, KEY_C),
118 KEY(6, 6, KEY_V),
119 KEY(6, 5, KEY_B),
120 KEY(6, 4, KEY_N),
121 KEY(6, 3, KEY_M),
122 KEY(6, 2, KEY_SPACE),
123
124 KEY(7, 0, KEY_LEFTSHIFT), /* Vol up */
125 KEY(7, 3, KEY_LEFTCTRL), /* Vol down */
126 };
127
128 #define LATCH1_PHYS 0x01000000
129 #define LATCH1_VIRT 0xEA000000
130 #define MODEM_PHYS 0x04000000
131 #define MODEM_VIRT 0xEB000000
132 #define LATCH2_PHYS 0x08000000
133 #define LATCH2_VIRT 0xEC000000
134
135 static struct map_desc ams_delta_io_desc[] __initdata = {
136 /* AMS_DELTA_LATCH1 */
137 {
138 .virtual = LATCH1_VIRT,
139 .pfn = __phys_to_pfn(LATCH1_PHYS),
140 .length = 0x01000000,
141 .type = MT_DEVICE
142 },
143 /* AMS_DELTA_LATCH2 */
144 {
145 .virtual = LATCH2_VIRT,
146 .pfn = __phys_to_pfn(LATCH2_PHYS),
147 .length = 0x01000000,
148 .type = MT_DEVICE
149 },
150 /* AMS_DELTA_MODEM */
151 {
152 .virtual = MODEM_VIRT,
153 .pfn = __phys_to_pfn(MODEM_PHYS),
154 .length = 0x01000000,
155 .type = MT_DEVICE
156 }
157 };
158
159 static struct omap_lcd_config ams_delta_lcd_config __initdata = {
160 .ctrl_name = "internal",
161 };
162
163 static struct omap_usb_config ams_delta_usb_config __initdata = {
164 .register_host = 1,
165 .hmc_mode = 16,
166 .pins[0] = 2,
167 };
168
169 #define LATCH1_GPIO_BASE 232
170 #define LATCH1_NGPIO 8
171
172 static struct resource latch1_resources[] = {
173 [0] = {
174 .name = "dat",
175 .start = LATCH1_PHYS,
176 .end = LATCH1_PHYS + (LATCH1_NGPIO - 1) / 8,
177 .flags = IORESOURCE_MEM,
178 },
179 };
180
181 static struct bgpio_pdata latch1_pdata = {
182 .base = LATCH1_GPIO_BASE,
183 .ngpio = LATCH1_NGPIO,
184 };
185
186 static struct platform_device latch1_gpio_device = {
187 .name = "basic-mmio-gpio",
188 .id = 0,
189 .resource = latch1_resources,
190 .num_resources = ARRAY_SIZE(latch1_resources),
191 .dev = {
192 .platform_data = &latch1_pdata,
193 },
194 };
195
196 static struct resource latch2_resources[] = {
197 [0] = {
198 .name = "dat",
199 .start = LATCH2_PHYS,
200 .end = LATCH2_PHYS + (AMS_DELTA_LATCH2_NGPIO - 1) / 8,
201 .flags = IORESOURCE_MEM,
202 },
203 };
204
205 static struct bgpio_pdata latch2_pdata = {
206 .base = AMS_DELTA_LATCH2_GPIO_BASE,
207 .ngpio = AMS_DELTA_LATCH2_NGPIO,
208 };
209
210 static struct platform_device latch2_gpio_device = {
211 .name = "basic-mmio-gpio",
212 .id = 1,
213 .resource = latch2_resources,
214 .num_resources = ARRAY_SIZE(latch2_resources),
215 .dev = {
216 .platform_data = &latch2_pdata,
217 },
218 };
219
220 static const struct gpio latch_gpios[] __initconst = {
221 {
222 .gpio = LATCH1_GPIO_BASE + 6,
223 .flags = GPIOF_OUT_INIT_LOW,
224 .label = "dockit1",
225 },
226 {
227 .gpio = LATCH1_GPIO_BASE + 7,
228 .flags = GPIOF_OUT_INIT_LOW,
229 .label = "dockit2",
230 },
231 {
232 .gpio = AMS_DELTA_GPIO_PIN_SCARD_RSTIN,
233 .flags = GPIOF_OUT_INIT_LOW,
234 .label = "scard_rstin",
235 },
236 {
237 .gpio = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC,
238 .flags = GPIOF_OUT_INIT_LOW,
239 .label = "scard_cmdvcc",
240 },
241 {
242 .gpio = AMS_DELTA_GPIO_PIN_MODEM_CODEC,
243 .flags = GPIOF_OUT_INIT_LOW,
244 .label = "modem_codec",
245 },
246 {
247 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 14,
248 .flags = GPIOF_OUT_INIT_LOW,
249 .label = "hookflash1",
250 },
251 {
252 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 15,
253 .flags = GPIOF_OUT_INIT_LOW,
254 .label = "hookflash2",
255 },
256 };
257
258 static struct regulator_consumer_supply modem_nreset_consumers[] = {
259 REGULATOR_SUPPLY("RESET#", "serial8250.1"),
260 REGULATOR_SUPPLY("POR", "cx20442-codec"),
261 };
262
263 static struct regulator_init_data modem_nreset_data = {
264 .constraints = {
265 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
266 .boot_on = 1,
267 },
268 .num_consumer_supplies = ARRAY_SIZE(modem_nreset_consumers),
269 .consumer_supplies = modem_nreset_consumers,
270 };
271
272 static struct fixed_voltage_config modem_nreset_config = {
273 .supply_name = "modem_nreset",
274 .microvolts = 3300000,
275 .gpio = AMS_DELTA_GPIO_PIN_MODEM_NRESET,
276 .startup_delay = 25000,
277 .enable_high = 1,
278 .enabled_at_boot = 1,
279 .init_data = &modem_nreset_data,
280 };
281
282 static struct platform_device modem_nreset_device = {
283 .name = "reg-fixed-voltage",
284 .id = -1,
285 .dev = {
286 .platform_data = &modem_nreset_config,
287 },
288 };
289
290 struct modem_private_data {
291 struct regulator *regulator;
292 };
293
294 static struct modem_private_data modem_priv;
295
296 void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value)
297 {
298 int bit = 0;
299 u16 bitpos = 1 << bit;
300
301 for (; bit < ngpio; bit++, bitpos = bitpos << 1) {
302 if (!(mask & bitpos))
303 continue;
304 else
305 gpio_set_value(base + bit, (value & bitpos) != 0);
306 }
307 }
308 EXPORT_SYMBOL(ams_delta_latch_write);
309
310 static struct resource ams_delta_nand_resources[] = {
311 [0] = {
312 .start = OMAP1_MPUIO_BASE,
313 .end = OMAP1_MPUIO_BASE +
314 OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
315 .flags = IORESOURCE_MEM,
316 },
317 };
318
319 static struct platform_device ams_delta_nand_device = {
320 .name = "ams-delta-nand",
321 .id = -1,
322 .num_resources = ARRAY_SIZE(ams_delta_nand_resources),
323 .resource = ams_delta_nand_resources,
324 };
325
326 static struct resource ams_delta_kp_resources[] = {
327 [0] = {
328 .start = INT_KEYBOARD,
329 .end = INT_KEYBOARD,
330 .flags = IORESOURCE_IRQ,
331 },
332 };
333
334 static const struct matrix_keymap_data ams_delta_keymap_data = {
335 .keymap = ams_delta_keymap,
336 .keymap_size = ARRAY_SIZE(ams_delta_keymap),
337 };
338
339 static struct omap_kp_platform_data ams_delta_kp_data = {
340 .rows = 8,
341 .cols = 8,
342 .keymap_data = &ams_delta_keymap_data,
343 .delay = 9,
344 };
345
346 static struct platform_device ams_delta_kp_device = {
347 .name = "omap-keypad",
348 .id = -1,
349 .dev = {
350 .platform_data = &ams_delta_kp_data,
351 },
352 .num_resources = ARRAY_SIZE(ams_delta_kp_resources),
353 .resource = ams_delta_kp_resources,
354 };
355
356 static struct platform_device ams_delta_lcd_device = {
357 .name = "lcd_ams_delta",
358 .id = -1,
359 };
360
361 static const struct gpio_led gpio_leds[] __initconst = {
362 {
363 .name = "camera",
364 .gpio = LATCH1_GPIO_BASE + 0,
365 .default_state = LEDS_GPIO_DEFSTATE_OFF,
366 #ifdef CONFIG_LEDS_TRIGGERS
367 .default_trigger = "ams_delta_camera",
368 #endif
369 },
370 {
371 .name = "advert",
372 .gpio = LATCH1_GPIO_BASE + 1,
373 .default_state = LEDS_GPIO_DEFSTATE_OFF,
374 },
375 {
376 .name = "email",
377 .gpio = LATCH1_GPIO_BASE + 2,
378 .default_state = LEDS_GPIO_DEFSTATE_OFF,
379 },
380 {
381 .name = "handsfree",
382 .gpio = LATCH1_GPIO_BASE + 3,
383 .default_state = LEDS_GPIO_DEFSTATE_OFF,
384 },
385 {
386 .name = "voicemail",
387 .gpio = LATCH1_GPIO_BASE + 4,
388 .default_state = LEDS_GPIO_DEFSTATE_OFF,
389 },
390 {
391 .name = "voice",
392 .gpio = LATCH1_GPIO_BASE + 5,
393 .default_state = LEDS_GPIO_DEFSTATE_OFF,
394 },
395 };
396
397 static const struct gpio_led_platform_data leds_pdata __initconst = {
398 .leds = gpio_leds,
399 .num_leds = ARRAY_SIZE(gpio_leds),
400 };
401
402 static struct i2c_board_info ams_delta_camera_board_info[] = {
403 {
404 I2C_BOARD_INFO("ov6650", 0x60),
405 },
406 };
407
408 #ifdef CONFIG_LEDS_TRIGGERS
409 DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
410
411 static int ams_delta_camera_power(struct device *dev, int power)
412 {
413 /*
414 * turn on camera LED
415 */
416 if (power)
417 led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
418 else
419 led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
420 return 0;
421 }
422 #else
423 #define ams_delta_camera_power NULL
424 #endif
425
426 static struct soc_camera_link ams_delta_iclink = {
427 .bus_id = 0, /* OMAP1 SoC camera bus */
428 .i2c_adapter_id = 1,
429 .board_info = &ams_delta_camera_board_info[0],
430 .module_name = "ov6650",
431 .power = ams_delta_camera_power,
432 };
433
434 static struct platform_device ams_delta_camera_device = {
435 .name = "soc-camera-pdrv",
436 .id = 0,
437 .dev = {
438 .platform_data = &ams_delta_iclink,
439 },
440 };
441
442 static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
443 .camexclk_khz = 12000, /* default 12MHz clock, no extra DPLL */
444 .lclk_khz_max = 1334, /* results in 5fps CIF, 10fps QCIF */
445 };
446
447 static struct platform_device ams_delta_audio_device = {
448 .name = "ams-delta-audio",
449 .id = -1,
450 };
451
452 static struct platform_device cx20442_codec_device = {
453 .name = "cx20442-codec",
454 .id = -1,
455 };
456
457 static struct platform_device *ams_delta_devices[] __initdata = {
458 &latch1_gpio_device,
459 &latch2_gpio_device,
460 &ams_delta_kp_device,
461 &ams_delta_camera_device,
462 &ams_delta_audio_device,
463 };
464
465 static struct platform_device *late_devices[] __initdata = {
466 &ams_delta_nand_device,
467 &ams_delta_lcd_device,
468 &cx20442_codec_device,
469 };
470
471 static void __init ams_delta_init(void)
472 {
473 /* mux pins for uarts */
474 omap_cfg_reg(UART1_TX);
475 omap_cfg_reg(UART1_RTS);
476
477 /* parallel camera interface */
478 omap_cfg_reg(H19_1610_CAM_EXCLK);
479 omap_cfg_reg(J15_1610_CAM_LCLK);
480 omap_cfg_reg(L18_1610_CAM_VS);
481 omap_cfg_reg(L15_1610_CAM_HS);
482 omap_cfg_reg(L19_1610_CAM_D0);
483 omap_cfg_reg(K14_1610_CAM_D1);
484 omap_cfg_reg(K15_1610_CAM_D2);
485 omap_cfg_reg(K19_1610_CAM_D3);
486 omap_cfg_reg(K18_1610_CAM_D4);
487 omap_cfg_reg(J14_1610_CAM_D5);
488 omap_cfg_reg(J19_1610_CAM_D6);
489 omap_cfg_reg(J18_1610_CAM_D7);
490
491 omap_serial_init();
492 omap_register_i2c_bus(1, 100, NULL, 0);
493
494 omap1_usb_init(&ams_delta_usb_config);
495 omap1_set_camera_info(&ams_delta_camera_platform_data);
496 #ifdef CONFIG_LEDS_TRIGGERS
497 led_trigger_register_simple("ams_delta_camera",
498 &ams_delta_camera_led_trigger);
499 #endif
500 gpio_led_register_device(-1, &leds_pdata);
501 platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
502
503 ams_delta_init_fiq();
504
505 omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
506
507 omapfb_set_lcd_config(&ams_delta_lcd_config);
508 }
509
510 static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
511 {
512 struct modem_private_data *priv = port->private_data;
513
514 if (IS_ERR(priv->regulator))
515 return;
516
517 if (state == old)
518 return;
519
520 if (state == 0)
521 regulator_enable(priv->regulator);
522 else if (old == 0)
523 regulator_disable(priv->regulator);
524 }
525
526 static struct plat_serial8250_port ams_delta_modem_ports[] = {
527 {
528 .membase = IOMEM(MODEM_VIRT),
529 .mapbase = MODEM_PHYS,
530 .irq = -EINVAL, /* changed later */
531 .flags = UPF_BOOT_AUTOCONF,
532 .irqflags = IRQF_TRIGGER_RISING,
533 .iotype = UPIO_MEM,
534 .regshift = 1,
535 .uartclk = BASE_BAUD * 16,
536 .pm = modem_pm,
537 .private_data = &modem_priv,
538 },
539 { },
540 };
541
542 static struct platform_device ams_delta_modem_device = {
543 .name = "serial8250",
544 .id = PLAT8250_DEV_PLATFORM1,
545 .dev = {
546 .platform_data = ams_delta_modem_ports,
547 },
548 };
549
550 static int __init late_init(void)
551 {
552 int err;
553
554 if (!machine_is_ams_delta())
555 return -ENODEV;
556
557 err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios));
558 if (err) {
559 pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
560 return err;
561 }
562
563 platform_add_devices(late_devices, ARRAY_SIZE(late_devices));
564
565 err = platform_device_register(&modem_nreset_device);
566 if (err) {
567 pr_err("Couldn't register the modem regulator device\n");
568 return err;
569 }
570
571 omap_cfg_reg(M14_1510_GPIO2);
572 ams_delta_modem_ports[0].irq =
573 gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
574
575 err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
576 if (err) {
577 pr_err("Couldn't request gpio pin for modem\n");
578 return err;
579 }
580 gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
581
582 /* Initialize the modem_nreset regulator consumer before use */
583 modem_priv.regulator = ERR_PTR(-ENODEV);
584
585 ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC,
586 AMS_DELTA_LATCH2_MODEM_CODEC);
587
588 err = platform_device_register(&ams_delta_modem_device);
589 if (err)
590 goto gpio_free;
591
592 /*
593 * Once the modem device is registered, the modem_nreset
594 * regulator can be requested on behalf of that device.
595 */
596 modem_priv.regulator = regulator_get(&ams_delta_modem_device.dev,
597 "RESET#");
598 if (IS_ERR(modem_priv.regulator)) {
599 err = PTR_ERR(modem_priv.regulator);
600 goto unregister;
601 }
602 return 0;
603
604 unregister:
605 platform_device_unregister(&ams_delta_modem_device);
606 gpio_free:
607 gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
608 return err;
609 }
610
611 static void __init ams_delta_init_late(void)
612 {
613 omap1_init_late();
614 late_init();
615 }
616
617 static void __init ams_delta_map_io(void)
618 {
619 omap15xx_map_io();
620 iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
621 }
622
623 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
624 /* Maintainer: Jonathan McDowell <noodles@earth.li> */
625 .atag_offset = 0x100,
626 .map_io = ams_delta_map_io,
627 .init_early = omap1_init_early,
628 .init_irq = omap1_init_irq,
629 .init_machine = ams_delta_init,
630 .init_late = ams_delta_init_late,
631 .init_time = omap1_timer_init,
632 .restart = omap1_restart,
633 MACHINE_END
Linux with added FPC-III support