diff options
Diffstat (limited to 'arch/arm/mach-s3c2410/mach-h1940.c')
-rw-r--r-- | arch/arm/mach-s3c2410/mach-h1940.c | 753 |
1 files changed, 753 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c new file mode 100644 index 00000000000..2a2fa062013 --- /dev/null +++ b/arch/arm/mach-s3c2410/mach-h1940.c | |||
@@ -0,0 +1,753 @@ | |||
1 | /* linux/arch/arm/mach-s3c2410/mach-h1940.c | ||
2 | * | ||
3 | * Copyright (c) 2003-2005 Simtec Electronics | ||
4 | * Ben Dooks <ben@simtec.co.uk> | ||
5 | * | ||
6 | * http://www.handhelds.org/projects/h1940.html | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | * | ||
12 | */ | ||
13 | |||
14 | #include <linux/kernel.h> | ||
15 | #include <linux/types.h> | ||
16 | #include <linux/interrupt.h> | ||
17 | #include <linux/list.h> | ||
18 | #include <linux/memblock.h> | ||
19 | #include <linux/timer.h> | ||
20 | #include <linux/init.h> | ||
21 | #include <linux/sysdev.h> | ||
22 | #include <linux/serial_core.h> | ||
23 | #include <linux/platform_device.h> | ||
24 | #include <linux/io.h> | ||
25 | #include <linux/gpio.h> | ||
26 | #include <linux/input.h> | ||
27 | #include <linux/gpio_keys.h> | ||
28 | #include <linux/pwm_backlight.h> | ||
29 | #include <linux/i2c.h> | ||
30 | #include <linux/leds.h> | ||
31 | #include <linux/pda_power.h> | ||
32 | #include <linux/s3c_adc_battery.h> | ||
33 | #include <linux/delay.h> | ||
34 | |||
35 | #include <video/platform_lcd.h> | ||
36 | |||
37 | #include <linux/mmc/host.h> | ||
38 | |||
39 | #include <asm/mach/arch.h> | ||
40 | #include <asm/mach/map.h> | ||
41 | #include <asm/mach/irq.h> | ||
42 | |||
43 | #include <mach/hardware.h> | ||
44 | #include <asm/irq.h> | ||
45 | #include <asm/mach-types.h> | ||
46 | |||
47 | #include <plat/regs-serial.h> | ||
48 | #include <mach/regs-lcd.h> | ||
49 | #include <mach/regs-clock.h> | ||
50 | |||
51 | #include <mach/regs-gpio.h> | ||
52 | #include <mach/gpio-fns.h> | ||
53 | #include <mach/gpio-nrs.h> | ||
54 | |||
55 | #include <mach/h1940.h> | ||
56 | #include <mach/h1940-latch.h> | ||
57 | #include <mach/fb.h> | ||
58 | #include <plat/udc.h> | ||
59 | #include <plat/iic.h> | ||
60 | |||
61 | #include <plat/gpio-cfg.h> | ||
62 | #include <plat/clock.h> | ||
63 | #include <plat/devs.h> | ||
64 | #include <plat/cpu.h> | ||
65 | #include <plat/pll.h> | ||
66 | #include <plat/pm.h> | ||
67 | #include <plat/mci.h> | ||
68 | #include <plat/ts.h> | ||
69 | |||
70 | #include <sound/uda1380.h> | ||
71 | |||
72 | #define H1940_LATCH ((void __force __iomem *)0xF8000000) | ||
73 | |||
74 | #define H1940_PA_LATCH S3C2410_CS2 | ||
75 | |||
76 | #define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END)) | ||
77 | |||
78 | static struct map_desc h1940_iodesc[] __initdata = { | ||
79 | [0] = { | ||
80 | .virtual = (unsigned long)H1940_LATCH, | ||
81 | .pfn = __phys_to_pfn(H1940_PA_LATCH), | ||
82 | .length = SZ_16K, | ||
83 | .type = MT_DEVICE | ||
84 | }, | ||
85 | }; | ||
86 | |||
87 | #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK | ||
88 | #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB | ||
89 | #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE | ||
90 | |||
91 | static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = { | ||
92 | [0] = { | ||
93 | .hwport = 0, | ||
94 | .flags = 0, | ||
95 | .ucon = 0x3c5, | ||
96 | .ulcon = 0x03, | ||
97 | .ufcon = 0x51, | ||
98 | }, | ||
99 | [1] = { | ||
100 | .hwport = 1, | ||
101 | .flags = 0, | ||
102 | .ucon = 0x245, | ||
103 | .ulcon = 0x03, | ||
104 | .ufcon = 0x00, | ||
105 | }, | ||
106 | /* IR port */ | ||
107 | [2] = { | ||
108 | .hwport = 2, | ||
109 | .flags = 0, | ||
110 | .uart_flags = UPF_CONS_FLOW, | ||
111 | .ucon = 0x3c5, | ||
112 | .ulcon = 0x43, | ||
113 | .ufcon = 0x51, | ||
114 | } | ||
115 | }; | ||
116 | |||
117 | /* Board control latch control */ | ||
118 | |||
119 | static unsigned int latch_state; | ||
120 | |||
121 | static void h1940_latch_control(unsigned int clear, unsigned int set) | ||
122 | { | ||
123 | unsigned long flags; | ||
124 | |||
125 | local_irq_save(flags); | ||
126 | |||
127 | latch_state &= ~clear; | ||
128 | latch_state |= set; | ||
129 | |||
130 | __raw_writel(latch_state, H1940_LATCH); | ||
131 | |||
132 | local_irq_restore(flags); | ||
133 | } | ||
134 | |||
135 | static inline int h1940_gpiolib_to_latch(int offset) | ||
136 | { | ||
137 | return 1 << (offset + 16); | ||
138 | } | ||
139 | |||
140 | static void h1940_gpiolib_latch_set(struct gpio_chip *chip, | ||
141 | unsigned offset, int value) | ||
142 | { | ||
143 | int latch_bit = h1940_gpiolib_to_latch(offset); | ||
144 | |||
145 | h1940_latch_control(value ? 0 : latch_bit, | ||
146 | value ? latch_bit : 0); | ||
147 | } | ||
148 | |||
149 | static int h1940_gpiolib_latch_output(struct gpio_chip *chip, | ||
150 | unsigned offset, int value) | ||
151 | { | ||
152 | h1940_gpiolib_latch_set(chip, offset, value); | ||
153 | return 0; | ||
154 | } | ||
155 | |||
156 | static int h1940_gpiolib_latch_get(struct gpio_chip *chip, | ||
157 | unsigned offset) | ||
158 | { | ||
159 | return (latch_state >> (offset + 16)) & 1; | ||
160 | } | ||
161 | |||
162 | struct gpio_chip h1940_latch_gpiochip = { | ||
163 | .base = H1940_LATCH_GPIO(0), | ||
164 | .owner = THIS_MODULE, | ||
165 | .label = "H1940_LATCH", | ||
166 | .ngpio = 16, | ||
167 | .direction_output = h1940_gpiolib_latch_output, | ||
168 | .set = h1940_gpiolib_latch_set, | ||
169 | .get = h1940_gpiolib_latch_get, | ||
170 | }; | ||
171 | |||
172 | static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = { | ||
173 | .vbus_pin = S3C2410_GPG(5), | ||
174 | .vbus_pin_inverted = 1, | ||
175 | .pullup_pin = H1940_LATCH_USB_DP, | ||
176 | }; | ||
177 | |||
178 | static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = { | ||
179 | .delay = 10000, | ||
180 | .presc = 49, | ||
181 | .oversampling_shift = 2, | ||
182 | .cfg_gpio = s3c24xx_ts_cfg_gpio, | ||
183 | }; | ||
184 | |||
185 | /** | ||
186 | * Set lcd on or off | ||
187 | **/ | ||
188 | static struct s3c2410fb_display h1940_lcd __initdata = { | ||
189 | .lcdcon5= S3C2410_LCDCON5_FRM565 | \ | ||
190 | S3C2410_LCDCON5_INVVLINE | \ | ||
191 | S3C2410_LCDCON5_HWSWP, | ||
192 | |||
193 | .type = S3C2410_LCDCON1_TFT, | ||
194 | .width = 240, | ||
195 | .height = 320, | ||
196 | .pixclock = 260000, | ||
197 | .xres = 240, | ||
198 | .yres = 320, | ||
199 | .bpp = 16, | ||
200 | .left_margin = 8, | ||
201 | .right_margin = 20, | ||
202 | .hsync_len = 4, | ||
203 | .upper_margin = 8, | ||
204 | .lower_margin = 7, | ||
205 | .vsync_len = 1, | ||
206 | }; | ||
207 | |||
208 | static struct s3c2410fb_mach_info h1940_fb_info __initdata = { | ||
209 | .displays = &h1940_lcd, | ||
210 | .num_displays = 1, | ||
211 | .default_display = 0, | ||
212 | |||
213 | .lpcsel = 0x02, | ||
214 | .gpccon = 0xaa940659, | ||
215 | .gpccon_mask = 0xffffc0f0, | ||
216 | .gpcup = 0x0000ffff, | ||
217 | .gpcup_mask = 0xffffffff, | ||
218 | .gpdcon = 0xaa84aaa0, | ||
219 | .gpdcon_mask = 0xffffffff, | ||
220 | .gpdup = 0x0000faff, | ||
221 | .gpdup_mask = 0xffffffff, | ||
222 | }; | ||
223 | |||
224 | static int power_supply_init(struct device *dev) | ||
225 | { | ||
226 | return gpio_request(S3C2410_GPF(2), "cable plugged"); | ||
227 | } | ||
228 | |||
229 | static int h1940_is_ac_online(void) | ||
230 | { | ||
231 | return !gpio_get_value(S3C2410_GPF(2)); | ||
232 | } | ||
233 | |||
234 | static void power_supply_exit(struct device *dev) | ||
235 | { | ||
236 | gpio_free(S3C2410_GPF(2)); | ||
237 | } | ||
238 | |||
239 | static char *h1940_supplicants[] = { | ||
240 | "main-battery", | ||
241 | "backup-battery", | ||
242 | }; | ||
243 | |||
244 | static struct pda_power_pdata power_supply_info = { | ||
245 | .init = power_supply_init, | ||
246 | .is_ac_online = h1940_is_ac_online, | ||
247 | .exit = power_supply_exit, | ||
248 | .supplied_to = h1940_supplicants, | ||
249 | .num_supplicants = ARRAY_SIZE(h1940_supplicants), | ||
250 | }; | ||
251 | |||
252 | static struct resource power_supply_resources[] = { | ||
253 | [0] = { | ||
254 | .name = "ac", | ||
255 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE | | ||
256 | IORESOURCE_IRQ_HIGHEDGE, | ||
257 | .start = IRQ_EINT2, | ||
258 | .end = IRQ_EINT2, | ||
259 | }, | ||
260 | }; | ||
261 | |||
262 | static struct platform_device power_supply = { | ||
263 | .name = "pda-power", | ||
264 | .id = -1, | ||
265 | .dev = { | ||
266 | .platform_data = | ||
267 | &power_supply_info, | ||
268 | }, | ||
269 | .resource = power_supply_resources, | ||
270 | .num_resources = ARRAY_SIZE(power_supply_resources), | ||
271 | }; | ||
272 | |||
273 | static const struct s3c_adc_bat_thresh bat_lut_noac[] = { | ||
274 | { .volt = 4070, .cur = 162, .level = 100}, | ||
275 | { .volt = 4040, .cur = 165, .level = 95}, | ||
276 | { .volt = 4016, .cur = 164, .level = 90}, | ||
277 | { .volt = 3996, .cur = 166, .level = 85}, | ||
278 | { .volt = 3971, .cur = 168, .level = 80}, | ||
279 | { .volt = 3951, .cur = 168, .level = 75}, | ||
280 | { .volt = 3931, .cur = 170, .level = 70}, | ||
281 | { .volt = 3903, .cur = 172, .level = 65}, | ||
282 | { .volt = 3886, .cur = 172, .level = 60}, | ||
283 | { .volt = 3858, .cur = 176, .level = 55}, | ||
284 | { .volt = 3842, .cur = 176, .level = 50}, | ||
285 | { .volt = 3818, .cur = 176, .level = 45}, | ||
286 | { .volt = 3789, .cur = 180, .level = 40}, | ||
287 | { .volt = 3769, .cur = 180, .level = 35}, | ||
288 | { .volt = 3749, .cur = 184, .level = 30}, | ||
289 | { .volt = 3732, .cur = 184, .level = 25}, | ||
290 | { .volt = 3716, .cur = 184, .level = 20}, | ||
291 | { .volt = 3708, .cur = 184, .level = 15}, | ||
292 | { .volt = 3716, .cur = 96, .level = 10}, | ||
293 | { .volt = 3700, .cur = 96, .level = 5}, | ||
294 | { .volt = 3684, .cur = 96, .level = 0}, | ||
295 | }; | ||
296 | |||
297 | static const struct s3c_adc_bat_thresh bat_lut_acin[] = { | ||
298 | { .volt = 4130, .cur = 0, .level = 100}, | ||
299 | { .volt = 3982, .cur = 0, .level = 50}, | ||
300 | { .volt = 3854, .cur = 0, .level = 10}, | ||
301 | { .volt = 3841, .cur = 0, .level = 0}, | ||
302 | }; | ||
303 | |||
304 | int h1940_bat_init(void) | ||
305 | { | ||
306 | int ret; | ||
307 | |||
308 | ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable"); | ||
309 | if (ret) | ||
310 | return ret; | ||
311 | gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0); | ||
312 | |||
313 | return 0; | ||
314 | |||
315 | } | ||
316 | |||
317 | void h1940_bat_exit(void) | ||
318 | { | ||
319 | gpio_free(H1940_LATCH_SM803_ENABLE); | ||
320 | } | ||
321 | |||
322 | void h1940_enable_charger(void) | ||
323 | { | ||
324 | gpio_set_value(H1940_LATCH_SM803_ENABLE, 1); | ||
325 | } | ||
326 | |||
327 | void h1940_disable_charger(void) | ||
328 | { | ||
329 | gpio_set_value(H1940_LATCH_SM803_ENABLE, 0); | ||
330 | } | ||
331 | |||
332 | static struct s3c_adc_bat_pdata h1940_bat_cfg = { | ||
333 | .init = h1940_bat_init, | ||
334 | .exit = h1940_bat_exit, | ||
335 | .enable_charger = h1940_enable_charger, | ||
336 | .disable_charger = h1940_disable_charger, | ||
337 | .gpio_charge_finished = S3C2410_GPF(3), | ||
338 | .gpio_inverted = 1, | ||
339 | .lut_noac = bat_lut_noac, | ||
340 | .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac), | ||
341 | .lut_acin = bat_lut_acin, | ||
342 | .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin), | ||
343 | .volt_channel = 0, | ||
344 | .current_channel = 1, | ||
345 | .volt_mult = 4056, | ||
346 | .current_mult = 1893, | ||
347 | .internal_impedance = 200, | ||
348 | .backup_volt_channel = 3, | ||
349 | /* TODO Check backup volt multiplier */ | ||
350 | .backup_volt_mult = 4056, | ||
351 | .backup_volt_min = 0, | ||
352 | .backup_volt_max = 4149288 | ||
353 | }; | ||
354 | |||
355 | static struct platform_device h1940_battery = { | ||
356 | .name = "s3c-adc-battery", | ||
357 | .id = -1, | ||
358 | .dev = { | ||
359 | .parent = &s3c_device_adc.dev, | ||
360 | .platform_data = &h1940_bat_cfg, | ||
361 | }, | ||
362 | }; | ||
363 | |||
364 | DEFINE_SPINLOCK(h1940_blink_spin); | ||
365 | |||
366 | int h1940_led_blink_set(unsigned gpio, int state, | ||
367 | unsigned long *delay_on, unsigned long *delay_off) | ||
368 | { | ||
369 | int blink_gpio, check_gpio1, check_gpio2; | ||
370 | |||
371 | switch (gpio) { | ||
372 | case H1940_LATCH_LED_GREEN: | ||
373 | blink_gpio = S3C2410_GPA(7); | ||
374 | check_gpio1 = S3C2410_GPA(1); | ||
375 | check_gpio2 = S3C2410_GPA(3); | ||
376 | break; | ||
377 | case H1940_LATCH_LED_RED: | ||
378 | blink_gpio = S3C2410_GPA(1); | ||
379 | check_gpio1 = S3C2410_GPA(7); | ||
380 | check_gpio2 = S3C2410_GPA(3); | ||
381 | break; | ||
382 | default: | ||
383 | blink_gpio = S3C2410_GPA(3); | ||
384 | check_gpio1 = S3C2410_GPA(1); | ||
385 | check_gpio1 = S3C2410_GPA(7); | ||
386 | break; | ||
387 | } | ||
388 | |||
389 | if (delay_on && delay_off && !*delay_on && !*delay_off) | ||
390 | *delay_on = *delay_off = 500; | ||
391 | |||
392 | spin_lock(&h1940_blink_spin); | ||
393 | |||
394 | switch (state) { | ||
395 | case GPIO_LED_NO_BLINK_LOW: | ||
396 | case GPIO_LED_NO_BLINK_HIGH: | ||
397 | if (!gpio_get_value(check_gpio1) && | ||
398 | !gpio_get_value(check_gpio2)) | ||
399 | gpio_set_value(H1940_LATCH_LED_FLASH, 0); | ||
400 | gpio_set_value(blink_gpio, 0); | ||
401 | if (gpio_is_valid(gpio)) | ||
402 | gpio_set_value(gpio, state); | ||
403 | break; | ||
404 | case GPIO_LED_BLINK: | ||
405 | if (gpio_is_valid(gpio)) | ||
406 | gpio_set_value(gpio, 0); | ||
407 | gpio_set_value(H1940_LATCH_LED_FLASH, 1); | ||
408 | gpio_set_value(blink_gpio, 1); | ||
409 | break; | ||
410 | } | ||
411 | |||
412 | spin_unlock(&h1940_blink_spin); | ||
413 | |||
414 | return 0; | ||
415 | } | ||
416 | EXPORT_SYMBOL(h1940_led_blink_set); | ||
417 | |||
418 | static struct gpio_led h1940_leds_desc[] = { | ||
419 | { | ||
420 | .name = "Green", | ||
421 | .default_trigger = "main-battery-full", | ||
422 | .gpio = H1940_LATCH_LED_GREEN, | ||
423 | .retain_state_suspended = 1, | ||
424 | }, | ||
425 | { | ||
426 | .name = "Red", | ||
427 | .default_trigger | ||
428 | = "main-battery-charging-blink-full-solid", | ||
429 | .gpio = H1940_LATCH_LED_RED, | ||
430 | .retain_state_suspended = 1, | ||
431 | }, | ||
432 | }; | ||
433 | |||
434 | static struct gpio_led_platform_data h1940_leds_pdata = { | ||
435 | .num_leds = ARRAY_SIZE(h1940_leds_desc), | ||
436 | .leds = h1940_leds_desc, | ||
437 | .gpio_blink_set = h1940_led_blink_set, | ||
438 | }; | ||
439 | |||
440 | static struct platform_device h1940_device_leds = { | ||
441 | .name = "leds-gpio", | ||
442 | .id = -1, | ||
443 | .dev = { | ||
444 | .platform_data = &h1940_leds_pdata, | ||
445 | }, | ||
446 | }; | ||
447 | |||
448 | static struct platform_device h1940_device_bluetooth = { | ||
449 | .name = "h1940-bt", | ||
450 | .id = -1, | ||
451 | }; | ||
452 | |||
453 | static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd) | ||
454 | { | ||
455 | switch (power_mode) { | ||
456 | case MMC_POWER_OFF: | ||
457 | gpio_set_value(H1940_LATCH_SD_POWER, 0); | ||
458 | break; | ||
459 | case MMC_POWER_UP: | ||
460 | case MMC_POWER_ON: | ||
461 | gpio_set_value(H1940_LATCH_SD_POWER, 1); | ||
462 | break; | ||
463 | default: | ||
464 | break; | ||
465 | }; | ||
466 | } | ||
467 | |||
468 | static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = { | ||
469 | .gpio_detect = S3C2410_GPF(5), | ||
470 | .gpio_wprotect = S3C2410_GPH(8), | ||
471 | .set_power = h1940_set_mmc_power, | ||
472 | .ocr_avail = MMC_VDD_32_33, | ||
473 | }; | ||
474 | |||
475 | static int h1940_backlight_init(struct device *dev) | ||
476 | { | ||
477 | gpio_request(S3C2410_GPB(0), "Backlight"); | ||
478 | |||
479 | gpio_direction_output(S3C2410_GPB(0), 0); | ||
480 | s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); | ||
481 | s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); | ||
482 | gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1); | ||
483 | |||
484 | return 0; | ||
485 | } | ||
486 | |||
487 | static int h1940_backlight_notify(struct device *dev, int brightness) | ||
488 | { | ||
489 | if (!brightness) { | ||
490 | gpio_direction_output(S3C2410_GPB(0), 1); | ||
491 | gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0); | ||
492 | } else { | ||
493 | gpio_direction_output(S3C2410_GPB(0), 0); | ||
494 | s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); | ||
495 | s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); | ||
496 | gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1); | ||
497 | } | ||
498 | return brightness; | ||
499 | } | ||
500 | |||
501 | static void h1940_backlight_exit(struct device *dev) | ||
502 | { | ||
503 | gpio_direction_output(S3C2410_GPB(0), 1); | ||
504 | gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0); | ||
505 | } | ||
506 | |||
507 | |||
508 | static struct platform_pwm_backlight_data backlight_data = { | ||
509 | .pwm_id = 0, | ||
510 | .max_brightness = 100, | ||
511 | .dft_brightness = 50, | ||
512 | /* tcnt = 0x31 */ | ||
513 | .pwm_period_ns = 36296, | ||
514 | .init = h1940_backlight_init, | ||
515 | .notify = h1940_backlight_notify, | ||
516 | .exit = h1940_backlight_exit, | ||
517 | }; | ||
518 | |||
519 | static struct platform_device h1940_backlight = { | ||
520 | .name = "pwm-backlight", | ||
521 | .dev = { | ||
522 | .parent = &s3c_device_timer[0].dev, | ||
523 | .platform_data = &backlight_data, | ||
524 | }, | ||
525 | .id = -1, | ||
526 | }; | ||
527 | |||
528 | static void h1940_lcd_power_set(struct plat_lcd_data *pd, | ||
529 | unsigned int power) | ||
530 | { | ||
531 | int value, retries = 100; | ||
532 | |||
533 | if (!power) { | ||
534 | gpio_set_value(S3C2410_GPC(0), 0); | ||
535 | /* wait for 3ac */ | ||
536 | do { | ||
537 | value = gpio_get_value(S3C2410_GPC(6)); | ||
538 | } while (value && retries--); | ||
539 | |||
540 | gpio_set_value(H1940_LATCH_LCD_P2, 0); | ||
541 | gpio_set_value(H1940_LATCH_LCD_P3, 0); | ||
542 | gpio_set_value(H1940_LATCH_LCD_P4, 0); | ||
543 | |||
544 | gpio_direction_output(S3C2410_GPC(1), 0); | ||
545 | gpio_direction_output(S3C2410_GPC(4), 0); | ||
546 | |||
547 | gpio_set_value(H1940_LATCH_LCD_P1, 0); | ||
548 | gpio_set_value(H1940_LATCH_LCD_P0, 0); | ||
549 | |||
550 | gpio_set_value(S3C2410_GPC(5), 0); | ||
551 | |||
552 | } else { | ||
553 | gpio_set_value(H1940_LATCH_LCD_P0, 1); | ||
554 | gpio_set_value(H1940_LATCH_LCD_P1, 1); | ||
555 | |||
556 | gpio_direction_input(S3C2410_GPC(1)); | ||
557 | gpio_direction_input(S3C2410_GPC(4)); | ||
558 | mdelay(10); | ||
559 | s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2)); | ||
560 | s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2)); | ||
561 | |||
562 | gpio_set_value(S3C2410_GPC(5), 1); | ||
563 | gpio_set_value(S3C2410_GPC(0), 1); | ||
564 | |||
565 | gpio_set_value(H1940_LATCH_LCD_P3, 1); | ||
566 | gpio_set_value(H1940_LATCH_LCD_P2, 1); | ||
567 | gpio_set_value(H1940_LATCH_LCD_P4, 1); | ||
568 | } | ||
569 | } | ||
570 | |||
571 | static struct plat_lcd_data h1940_lcd_power_data = { | ||
572 | .set_power = h1940_lcd_power_set, | ||
573 | }; | ||
574 | |||
575 | static struct platform_device h1940_lcd_powerdev = { | ||
576 | .name = "platform-lcd", | ||
577 | .dev.parent = &s3c_device_lcd.dev, | ||
578 | .dev.platform_data = &h1940_lcd_power_data, | ||
579 | }; | ||
580 | |||
581 | static struct uda1380_platform_data uda1380_info = { | ||
582 | .gpio_power = H1940_LATCH_UDA_POWER, | ||
583 | .gpio_reset = S3C2410_GPA(12), | ||
584 | .dac_clk = UDA1380_DAC_CLK_SYSCLK, | ||
585 | }; | ||
586 | |||
587 | static struct i2c_board_info h1940_i2c_devices[] = { | ||
588 | { | ||
589 | I2C_BOARD_INFO("uda1380", 0x1a), | ||
590 | .platform_data = &uda1380_info, | ||
591 | }, | ||
592 | }; | ||
593 | |||
594 | #define DECLARE_BUTTON(p, k, n, w) \ | ||
595 | { \ | ||
596 | .gpio = p, \ | ||
597 | .code = k, \ | ||
598 | .desc = n, \ | ||
599 | .wakeup = w, \ | ||
600 | .active_low = 1, \ | ||
601 | } | ||
602 | |||
603 | static struct gpio_keys_button h1940_buttons[] = { | ||
604 | DECLARE_BUTTON(S3C2410_GPF(0), KEY_POWER, "Power", 1), | ||
605 | DECLARE_BUTTON(S3C2410_GPF(6), KEY_ENTER, "Select", 1), | ||
606 | DECLARE_BUTTON(S3C2410_GPF(7), KEY_RECORD, "Record", 0), | ||
607 | DECLARE_BUTTON(S3C2410_GPG(0), KEY_F11, "Calendar", 0), | ||
608 | DECLARE_BUTTON(S3C2410_GPG(2), KEY_F12, "Contacts", 0), | ||
609 | DECLARE_BUTTON(S3C2410_GPG(3), KEY_MAIL, "Mail", 0), | ||
610 | DECLARE_BUTTON(S3C2410_GPG(6), KEY_LEFT, "Left_arrow", 0), | ||
611 | DECLARE_BUTTON(S3C2410_GPG(7), KEY_HOMEPAGE, "Home", 0), | ||
612 | DECLARE_BUTTON(S3C2410_GPG(8), KEY_RIGHT, "Right_arrow", 0), | ||
613 | DECLARE_BUTTON(S3C2410_GPG(9), KEY_UP, "Up_arrow", 0), | ||
614 | DECLARE_BUTTON(S3C2410_GPG(10), KEY_DOWN, "Down_arrow", 0), | ||
615 | }; | ||
616 | |||
617 | static struct gpio_keys_platform_data h1940_buttons_data = { | ||
618 | .buttons = h1940_buttons, | ||
619 | .nbuttons = ARRAY_SIZE(h1940_buttons), | ||
620 | }; | ||
621 | |||
622 | static struct platform_device h1940_dev_buttons = { | ||
623 | .name = "gpio-keys", | ||
624 | .id = -1, | ||
625 | .dev = { | ||
626 | .platform_data = &h1940_buttons_data, | ||
627 | } | ||
628 | }; | ||
629 | |||
630 | static struct platform_device *h1940_devices[] __initdata = { | ||
631 | &h1940_dev_buttons, | ||
632 | &s3c_device_ohci, | ||
633 | &s3c_device_lcd, | ||
634 | &s3c_device_wdt, | ||
635 | &s3c_device_i2c0, | ||
636 | &s3c_device_iis, | ||
637 | &samsung_asoc_dma, | ||
638 | &s3c_device_usbgadget, | ||
639 | &h1940_device_leds, | ||
640 | &h1940_device_bluetooth, | ||
641 | &s3c_device_sdi, | ||
642 | &s3c_device_rtc, | ||
643 | &s3c_device_timer[0], | ||
644 | &h1940_backlight, | ||
645 | &h1940_lcd_powerdev, | ||
646 | &s3c_device_adc, | ||
647 | &s3c_device_ts, | ||
648 | &power_supply, | ||
649 | &h1940_battery, | ||
650 | }; | ||
651 | |||
652 | static void __init h1940_map_io(void) | ||
653 | { | ||
654 | s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc)); | ||
655 | s3c24xx_init_clocks(0); | ||
656 | s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs)); | ||
657 | |||
658 | /* setup PM */ | ||
659 | |||
660 | #ifdef CONFIG_PM_H1940 | ||
661 | memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024); | ||
662 | #endif | ||
663 | s3c_pm_init(); | ||
664 | |||
665 | /* Add latch gpio chip, set latch initial value */ | ||
666 | h1940_latch_control(0, 0); | ||
667 | WARN_ON(gpiochip_add(&h1940_latch_gpiochip)); | ||
668 | } | ||
669 | |||
670 | /* H1940 and RX3715 need to reserve this for suspend */ | ||
671 | static void __init h1940_reserve(void) | ||
672 | { | ||
673 | memblock_reserve(0x30003000, 0x1000); | ||
674 | memblock_reserve(0x30081000, 0x1000); | ||
675 | } | ||
676 | |||
677 | static void __init h1940_init_irq(void) | ||
678 | { | ||
679 | s3c24xx_init_irq(); | ||
680 | } | ||
681 | |||
682 | static void __init h1940_init(void) | ||
683 | { | ||
684 | u32 tmp; | ||
685 | |||
686 | s3c24xx_fb_set_platdata(&h1940_fb_info); | ||
687 | s3c24xx_mci_set_platdata(&h1940_mmc_cfg); | ||
688 | s3c24xx_udc_set_platdata(&h1940_udc_cfg); | ||
689 | s3c24xx_ts_set_platdata(&h1940_ts_cfg); | ||
690 | s3c_i2c0_set_platdata(NULL); | ||
691 | |||
692 | /* Turn off suspend on both USB ports, and switch the | ||
693 | * selectable USB port to USB device mode. */ | ||
694 | |||
695 | s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | | ||
696 | S3C2410_MISCCR_USBSUSPND0 | | ||
697 | S3C2410_MISCCR_USBSUSPND1, 0x0); | ||
698 | |||
699 | tmp = (0x78 << S3C24XX_PLLCON_MDIVSHIFT) | ||
700 | | (0x02 << S3C24XX_PLLCON_PDIVSHIFT) | ||
701 | | (0x03 << S3C24XX_PLLCON_SDIVSHIFT); | ||
702 | writel(tmp, S3C2410_UPLLCON); | ||
703 | |||
704 | gpio_request(S3C2410_GPC(0), "LCD power"); | ||
705 | gpio_request(S3C2410_GPC(1), "LCD power"); | ||
706 | gpio_request(S3C2410_GPC(4), "LCD power"); | ||
707 | gpio_request(S3C2410_GPC(5), "LCD power"); | ||
708 | gpio_request(S3C2410_GPC(6), "LCD power"); | ||
709 | gpio_request(H1940_LATCH_LCD_P0, "LCD power"); | ||
710 | gpio_request(H1940_LATCH_LCD_P1, "LCD power"); | ||
711 | gpio_request(H1940_LATCH_LCD_P2, "LCD power"); | ||
712 | gpio_request(H1940_LATCH_LCD_P3, "LCD power"); | ||
713 | gpio_request(H1940_LATCH_LCD_P4, "LCD power"); | ||
714 | gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power"); | ||
715 | gpio_direction_output(S3C2410_GPC(0), 0); | ||
716 | gpio_direction_output(S3C2410_GPC(1), 0); | ||
717 | gpio_direction_output(S3C2410_GPC(4), 0); | ||
718 | gpio_direction_output(S3C2410_GPC(5), 0); | ||
719 | gpio_direction_input(S3C2410_GPC(6)); | ||
720 | gpio_direction_output(H1940_LATCH_LCD_P0, 0); | ||
721 | gpio_direction_output(H1940_LATCH_LCD_P1, 0); | ||
722 | gpio_direction_output(H1940_LATCH_LCD_P2, 0); | ||
723 | gpio_direction_output(H1940_LATCH_LCD_P3, 0); | ||
724 | gpio_direction_output(H1940_LATCH_LCD_P4, 0); | ||
725 | gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0); | ||
726 | |||
727 | gpio_request(H1940_LATCH_SD_POWER, "SD power"); | ||
728 | gpio_direction_output(H1940_LATCH_SD_POWER, 0); | ||
729 | |||
730 | platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices)); | ||
731 | |||
732 | gpio_request(S3C2410_GPA(1), "Red LED blink"); | ||
733 | gpio_request(S3C2410_GPA(3), "Blue LED blink"); | ||
734 | gpio_request(S3C2410_GPA(7), "Green LED blink"); | ||
735 | gpio_request(H1940_LATCH_LED_FLASH, "LED blink"); | ||
736 | gpio_direction_output(S3C2410_GPA(1), 0); | ||
737 | gpio_direction_output(S3C2410_GPA(3), 0); | ||
738 | gpio_direction_output(S3C2410_GPA(7), 0); | ||
739 | gpio_direction_output(H1940_LATCH_LED_FLASH, 0); | ||
740 | |||
741 | i2c_register_board_info(0, h1940_i2c_devices, | ||
742 | ARRAY_SIZE(h1940_i2c_devices)); | ||
743 | } | ||
744 | |||
745 | MACHINE_START(H1940, "IPAQ-H1940") | ||
746 | /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ | ||
747 | .boot_params = S3C2410_SDRAM_PA + 0x100, | ||
748 | .map_io = h1940_map_io, | ||
749 | .reserve = h1940_reserve, | ||
750 | .init_irq = h1940_init_irq, | ||
751 | .init_machine = h1940_init, | ||
752 | .timer = &s3c24xx_timer, | ||
753 | MACHINE_END | ||