Commit | Line | Data |
---|---|---|
232910d6 | 1 | /* |
1da177e4 LT |
2 | * Copyright (c) 2003-2005 Simtec Electronics |
3 | * Ben Dooks <ben@simtec.co.uk> | |
4 | * | |
5 | * http://www.handhelds.org/projects/h1940.html | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | * | |
1da177e4 LT |
11 | */ |
12 | ||
13 | #include <linux/kernel.h> | |
14 | #include <linux/types.h> | |
15 | #include <linux/interrupt.h> | |
16 | #include <linux/list.h> | |
8d717a52 | 17 | #include <linux/memblock.h> |
1da177e4 LT |
18 | #include <linux/timer.h> |
19 | #include <linux/init.h> | |
edbaa603 | 20 | #include <linux/device.h> |
b6d1f542 | 21 | #include <linux/serial_core.h> |
334a1c70 | 22 | #include <linux/serial_s3c.h> |
d052d1be | 23 | #include <linux/platform_device.h> |
fced80c7 | 24 | #include <linux/io.h> |
3909b9f7 | 25 | #include <linux/gpio.h> |
bbb1c832 APR |
26 | #include <linux/input.h> |
27 | #include <linux/gpio_keys.h> | |
22e649ff | 28 | #include <linux/pwm_backlight.h> |
68730b45 | 29 | #include <linux/i2c.h> |
50e2d10d | 30 | #include <linux/leds.h> |
a8e99850 VK |
31 | #include <linux/pda_power.h> |
32 | #include <linux/s3c_adc_battery.h> | |
25d391cb | 33 | #include <linux/delay.h> |
50e2d10d | 34 | |
22e649ff | 35 | #include <video/platform_lcd.h> |
3909b9f7 | 36 | |
37 | #include <linux/mmc/host.h> | |
dc28094b | 38 | #include <linux/export.h> |
1da177e4 | 39 | |
232910d6 KK |
40 | #include <asm/irq.h> |
41 | #include <asm/mach-types.h> | |
1da177e4 LT |
42 | #include <asm/mach/arch.h> |
43 | #include <asm/mach/map.h> | |
44 | #include <asm/mach/irq.h> | |
45 | ||
232910d6 KK |
46 | #include <linux/platform_data/i2c-s3c2410.h> |
47 | #include <linux/platform_data/mmc-s3cmci.h> | |
48 | #include <linux/platform_data/touchscreen-s3c2410.h> | |
49 | #include <linux/platform_data/usb-s3c2410_udc.h> | |
f92273c1 | 50 | |
232910d6 | 51 | #include <sound/uda1380.h> |
3909b9f7 | 52 | |
a09e64fb | 53 | #include <mach/fb.h> |
232910d6 KK |
54 | #include <mach/hardware.h> |
55 | #include <mach/regs-clock.h> | |
56 | #include <mach/regs-gpio.h> | |
57 | #include <mach/regs-lcd.h> | |
b0161caa | 58 | #include <mach/gpio-samsung.h> |
1da177e4 | 59 | |
a2b7ba9c | 60 | #include <plat/cpu.h> |
232910d6 KK |
61 | #include <plat/devs.h> |
62 | #include <plat/gpio-cfg.h> | |
a2b7ba9c | 63 | #include <plat/pm.h> |
7f78b6eb | 64 | #include <plat/samsung-time.h> |
68730b45 | 65 | |
b27b0727 | 66 | #include "common.h" |
232910d6 | 67 | #include "h1940.h" |
b27b0727 | 68 | |
14477095 VK |
69 | #define H1940_LATCH ((void __force __iomem *)0xF8000000) |
70 | ||
71 | #define H1940_PA_LATCH S3C2410_CS2 | |
72 | ||
73 | #define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END)) | |
74 | ||
32726d2d TF |
75 | #define S3C24XX_PLL_MDIV_SHIFT (12) |
76 | #define S3C24XX_PLL_PDIV_SHIFT (4) | |
77 | #define S3C24XX_PLL_SDIV_SHIFT (0) | |
78 | ||
1da177e4 | 79 | static struct map_desc h1940_iodesc[] __initdata = { |
e1981680 BD |
80 | [0] = { |
81 | .virtual = (unsigned long)H1940_LATCH, | |
82 | .pfn = __phys_to_pfn(H1940_PA_LATCH), | |
83 | .length = SZ_16K, | |
84 | .type = MT_DEVICE | |
85 | }, | |
1da177e4 LT |
86 | }; |
87 | ||
88 | #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK | |
89 | #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB | |
90 | #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE | |
91 | ||
66a9b49a | 92 | static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = { |
1da177e4 LT |
93 | [0] = { |
94 | .hwport = 0, | |
95 | .flags = 0, | |
96 | .ucon = 0x3c5, | |
97 | .ulcon = 0x03, | |
98 | .ufcon = 0x51, | |
99 | }, | |
100 | [1] = { | |
101 | .hwport = 1, | |
102 | .flags = 0, | |
103 | .ucon = 0x245, | |
104 | .ulcon = 0x03, | |
105 | .ufcon = 0x00, | |
106 | }, | |
107 | /* IR port */ | |
108 | [2] = { | |
109 | .hwport = 2, | |
110 | .flags = 0, | |
111 | .uart_flags = UPF_CONS_FLOW, | |
112 | .ucon = 0x3c5, | |
113 | .ulcon = 0x43, | |
114 | .ufcon = 0x51, | |
115 | } | |
116 | }; | |
117 | ||
e1981680 BD |
118 | /* Board control latch control */ |
119 | ||
53193dd3 | 120 | static unsigned int latch_state; |
e1981680 | 121 | |
14477095 | 122 | static void h1940_latch_control(unsigned int clear, unsigned int set) |
e1981680 BD |
123 | { |
124 | unsigned long flags; | |
125 | ||
126 | local_irq_save(flags); | |
127 | ||
128 | latch_state &= ~clear; | |
129 | latch_state |= set; | |
130 | ||
131 | __raw_writel(latch_state, H1940_LATCH); | |
132 | ||
133 | local_irq_restore(flags); | |
134 | } | |
135 | ||
14477095 VK |
136 | static inline int h1940_gpiolib_to_latch(int offset) |
137 | { | |
138 | return 1 << (offset + 16); | |
139 | } | |
140 | ||
141 | static void h1940_gpiolib_latch_set(struct gpio_chip *chip, | |
142 | unsigned offset, int value) | |
143 | { | |
144 | int latch_bit = h1940_gpiolib_to_latch(offset); | |
145 | ||
146 | h1940_latch_control(value ? 0 : latch_bit, | |
147 | value ? latch_bit : 0); | |
148 | } | |
149 | ||
150 | static int h1940_gpiolib_latch_output(struct gpio_chip *chip, | |
151 | unsigned offset, int value) | |
152 | { | |
153 | h1940_gpiolib_latch_set(chip, offset, value); | |
154 | return 0; | |
155 | } | |
156 | ||
157 | static int h1940_gpiolib_latch_get(struct gpio_chip *chip, | |
158 | unsigned offset) | |
159 | { | |
160 | return (latch_state >> (offset + 16)) & 1; | |
161 | } | |
162 | ||
4cfb7b7c | 163 | static struct gpio_chip h1940_latch_gpiochip = { |
14477095 VK |
164 | .base = H1940_LATCH_GPIO(0), |
165 | .owner = THIS_MODULE, | |
166 | .label = "H1940_LATCH", | |
167 | .ngpio = 16, | |
168 | .direction_output = h1940_gpiolib_latch_output, | |
169 | .set = h1940_gpiolib_latch_set, | |
170 | .get = h1940_gpiolib_latch_get, | |
171 | }; | |
1da177e4 | 172 | |
71a9c424 | 173 | static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = { |
070276d5 | 174 | .vbus_pin = S3C2410_GPG(5), |
71a9c424 | 175 | .vbus_pin_inverted = 1, |
e27c3c5c | 176 | .pullup_pin = H1940_LATCH_USB_DP, |
71a9c424 AP |
177 | }; |
178 | ||
ce8877b5 AP |
179 | static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = { |
180 | .delay = 10000, | |
181 | .presc = 49, | |
182 | .oversampling_shift = 2, | |
5bfdca14 | 183 | .cfg_gpio = s3c24xx_ts_cfg_gpio, |
ce8877b5 | 184 | }; |
71a9c424 | 185 | |
f92273c1 AP |
186 | /** |
187 | * Set lcd on or off | |
188 | **/ | |
09fe75f6 | 189 | static struct s3c2410fb_display h1940_lcd __initdata = { |
f28ef573 KH |
190 | .lcdcon5= S3C2410_LCDCON5_FRM565 | \ |
191 | S3C2410_LCDCON5_INVVLINE | \ | |
192 | S3C2410_LCDCON5_HWSWP, | |
09fe75f6 | 193 | |
1f411537 | 194 | .type = S3C2410_LCDCON1_TFT, |
09fe75f6 KH |
195 | .width = 240, |
196 | .height = 320, | |
69816699 | 197 | .pixclock = 260000, |
09fe75f6 KH |
198 | .xres = 240, |
199 | .yres = 320, | |
200 | .bpp = 16, | |
26be1b7b MS |
201 | .left_margin = 8, |
202 | .right_margin = 20, | |
93d11f5a | 203 | .hsync_len = 4, |
5f20f69b KH |
204 | .upper_margin = 8, |
205 | .lower_margin = 7, | |
93d11f5a | 206 | .vsync_len = 1, |
09fe75f6 KH |
207 | }; |
208 | ||
209 | static struct s3c2410fb_mach_info h1940_fb_info __initdata = { | |
09fe75f6 KH |
210 | .displays = &h1940_lcd, |
211 | .num_displays = 1, | |
212 | .default_display = 0, | |
213 | ||
25d391cb VK |
214 | .lpcsel = 0x02, |
215 | .gpccon = 0xaa940659, | |
216 | .gpccon_mask = 0xffffc0f0, | |
217 | .gpcup = 0x0000ffff, | |
218 | .gpcup_mask = 0xffffffff, | |
219 | .gpdcon = 0xaa84aaa0, | |
220 | .gpdcon_mask = 0xffffffff, | |
221 | .gpdup = 0x0000faff, | |
222 | .gpdup_mask = 0xffffffff, | |
f92273c1 | 223 | }; |
1da177e4 | 224 | |
a8e99850 VK |
225 | static int power_supply_init(struct device *dev) |
226 | { | |
227 | return gpio_request(S3C2410_GPF(2), "cable plugged"); | |
228 | } | |
229 | ||
230 | static int h1940_is_ac_online(void) | |
231 | { | |
232 | return !gpio_get_value(S3C2410_GPF(2)); | |
233 | } | |
234 | ||
235 | static void power_supply_exit(struct device *dev) | |
236 | { | |
237 | gpio_free(S3C2410_GPF(2)); | |
238 | } | |
239 | ||
240 | static char *h1940_supplicants[] = { | |
241 | "main-battery", | |
242 | "backup-battery", | |
243 | }; | |
244 | ||
245 | static struct pda_power_pdata power_supply_info = { | |
246 | .init = power_supply_init, | |
247 | .is_ac_online = h1940_is_ac_online, | |
248 | .exit = power_supply_exit, | |
249 | .supplied_to = h1940_supplicants, | |
250 | .num_supplicants = ARRAY_SIZE(h1940_supplicants), | |
251 | }; | |
252 | ||
253 | static struct resource power_supply_resources[] = { | |
635a4726 TB |
254 | [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \ |
255 | | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE), | |
a8e99850 VK |
256 | }; |
257 | ||
258 | static struct platform_device power_supply = { | |
259 | .name = "pda-power", | |
260 | .id = -1, | |
261 | .dev = { | |
262 | .platform_data = | |
263 | &power_supply_info, | |
264 | }, | |
265 | .resource = power_supply_resources, | |
266 | .num_resources = ARRAY_SIZE(power_supply_resources), | |
267 | }; | |
268 | ||
269 | static const struct s3c_adc_bat_thresh bat_lut_noac[] = { | |
270 | { .volt = 4070, .cur = 162, .level = 100}, | |
271 | { .volt = 4040, .cur = 165, .level = 95}, | |
272 | { .volt = 4016, .cur = 164, .level = 90}, | |
273 | { .volt = 3996, .cur = 166, .level = 85}, | |
274 | { .volt = 3971, .cur = 168, .level = 80}, | |
275 | { .volt = 3951, .cur = 168, .level = 75}, | |
276 | { .volt = 3931, .cur = 170, .level = 70}, | |
277 | { .volt = 3903, .cur = 172, .level = 65}, | |
278 | { .volt = 3886, .cur = 172, .level = 60}, | |
279 | { .volt = 3858, .cur = 176, .level = 55}, | |
280 | { .volt = 3842, .cur = 176, .level = 50}, | |
281 | { .volt = 3818, .cur = 176, .level = 45}, | |
282 | { .volt = 3789, .cur = 180, .level = 40}, | |
283 | { .volt = 3769, .cur = 180, .level = 35}, | |
284 | { .volt = 3749, .cur = 184, .level = 30}, | |
285 | { .volt = 3732, .cur = 184, .level = 25}, | |
286 | { .volt = 3716, .cur = 184, .level = 20}, | |
287 | { .volt = 3708, .cur = 184, .level = 15}, | |
288 | { .volt = 3716, .cur = 96, .level = 10}, | |
289 | { .volt = 3700, .cur = 96, .level = 5}, | |
290 | { .volt = 3684, .cur = 96, .level = 0}, | |
291 | }; | |
292 | ||
293 | static const struct s3c_adc_bat_thresh bat_lut_acin[] = { | |
294 | { .volt = 4130, .cur = 0, .level = 100}, | |
295 | { .volt = 3982, .cur = 0, .level = 50}, | |
296 | { .volt = 3854, .cur = 0, .level = 10}, | |
297 | { .volt = 3841, .cur = 0, .level = 0}, | |
298 | }; | |
299 | ||
4cfb7b7c | 300 | static int h1940_bat_init(void) |
a8e99850 VK |
301 | { |
302 | int ret; | |
303 | ||
304 | ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable"); | |
305 | if (ret) | |
306 | return ret; | |
307 | gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0); | |
308 | ||
309 | return 0; | |
310 | ||
311 | } | |
312 | ||
4cfb7b7c | 313 | static void h1940_bat_exit(void) |
a8e99850 VK |
314 | { |
315 | gpio_free(H1940_LATCH_SM803_ENABLE); | |
316 | } | |
317 | ||
4cfb7b7c | 318 | static void h1940_enable_charger(void) |
a8e99850 VK |
319 | { |
320 | gpio_set_value(H1940_LATCH_SM803_ENABLE, 1); | |
321 | } | |
322 | ||
4cfb7b7c | 323 | static void h1940_disable_charger(void) |
a8e99850 VK |
324 | { |
325 | gpio_set_value(H1940_LATCH_SM803_ENABLE, 0); | |
326 | } | |
327 | ||
328 | static struct s3c_adc_bat_pdata h1940_bat_cfg = { | |
329 | .init = h1940_bat_init, | |
330 | .exit = h1940_bat_exit, | |
331 | .enable_charger = h1940_enable_charger, | |
332 | .disable_charger = h1940_disable_charger, | |
333 | .gpio_charge_finished = S3C2410_GPF(3), | |
334 | .gpio_inverted = 1, | |
335 | .lut_noac = bat_lut_noac, | |
336 | .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac), | |
337 | .lut_acin = bat_lut_acin, | |
338 | .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin), | |
339 | .volt_channel = 0, | |
340 | .current_channel = 1, | |
341 | .volt_mult = 4056, | |
342 | .current_mult = 1893, | |
343 | .internal_impedance = 200, | |
344 | .backup_volt_channel = 3, | |
345 | /* TODO Check backup volt multiplier */ | |
346 | .backup_volt_mult = 4056, | |
347 | .backup_volt_min = 0, | |
348 | .backup_volt_max = 4149288 | |
349 | }; | |
350 | ||
351 | static struct platform_device h1940_battery = { | |
352 | .name = "s3c-adc-battery", | |
353 | .id = -1, | |
354 | .dev = { | |
355 | .parent = &s3c_device_adc.dev, | |
356 | .platform_data = &h1940_bat_cfg, | |
357 | }, | |
358 | }; | |
359 | ||
4cfb7b7c | 360 | static DEFINE_SPINLOCK(h1940_blink_spin); |
50e2d10d VK |
361 | |
362 | int h1940_led_blink_set(unsigned gpio, int state, | |
363 | unsigned long *delay_on, unsigned long *delay_off) | |
364 | { | |
365 | int blink_gpio, check_gpio1, check_gpio2; | |
366 | ||
367 | switch (gpio) { | |
368 | case H1940_LATCH_LED_GREEN: | |
369 | blink_gpio = S3C2410_GPA(7); | |
370 | check_gpio1 = S3C2410_GPA(1); | |
371 | check_gpio2 = S3C2410_GPA(3); | |
372 | break; | |
373 | case H1940_LATCH_LED_RED: | |
374 | blink_gpio = S3C2410_GPA(1); | |
375 | check_gpio1 = S3C2410_GPA(7); | |
376 | check_gpio2 = S3C2410_GPA(3); | |
377 | break; | |
378 | default: | |
379 | blink_gpio = S3C2410_GPA(3); | |
380 | check_gpio1 = S3C2410_GPA(1); | |
884dc5a2 | 381 | check_gpio2 = S3C2410_GPA(7); |
50e2d10d VK |
382 | break; |
383 | } | |
384 | ||
385 | if (delay_on && delay_off && !*delay_on && !*delay_off) | |
386 | *delay_on = *delay_off = 500; | |
387 | ||
388 | spin_lock(&h1940_blink_spin); | |
389 | ||
390 | switch (state) { | |
391 | case GPIO_LED_NO_BLINK_LOW: | |
392 | case GPIO_LED_NO_BLINK_HIGH: | |
393 | if (!gpio_get_value(check_gpio1) && | |
394 | !gpio_get_value(check_gpio2)) | |
395 | gpio_set_value(H1940_LATCH_LED_FLASH, 0); | |
396 | gpio_set_value(blink_gpio, 0); | |
397 | if (gpio_is_valid(gpio)) | |
398 | gpio_set_value(gpio, state); | |
399 | break; | |
400 | case GPIO_LED_BLINK: | |
401 | if (gpio_is_valid(gpio)) | |
402 | gpio_set_value(gpio, 0); | |
403 | gpio_set_value(H1940_LATCH_LED_FLASH, 1); | |
404 | gpio_set_value(blink_gpio, 1); | |
405 | break; | |
406 | } | |
407 | ||
408 | spin_unlock(&h1940_blink_spin); | |
409 | ||
410 | return 0; | |
411 | } | |
412 | EXPORT_SYMBOL(h1940_led_blink_set); | |
413 | ||
414 | static struct gpio_led h1940_leds_desc[] = { | |
415 | { | |
416 | .name = "Green", | |
9edb2406 | 417 | .default_trigger = "main-battery-full", |
50e2d10d VK |
418 | .gpio = H1940_LATCH_LED_GREEN, |
419 | .retain_state_suspended = 1, | |
420 | }, | |
421 | { | |
422 | .name = "Red", | |
9edb2406 VK |
423 | .default_trigger |
424 | = "main-battery-charging-blink-full-solid", | |
50e2d10d VK |
425 | .gpio = H1940_LATCH_LED_RED, |
426 | .retain_state_suspended = 1, | |
427 | }, | |
428 | }; | |
429 | ||
430 | static struct gpio_led_platform_data h1940_leds_pdata = { | |
431 | .num_leds = ARRAY_SIZE(h1940_leds_desc), | |
432 | .leds = h1940_leds_desc, | |
433 | .gpio_blink_set = h1940_led_blink_set, | |
434 | }; | |
435 | ||
ff34aaa9 | 436 | static struct platform_device h1940_device_leds = { |
50e2d10d VK |
437 | .name = "leds-gpio", |
438 | .id = -1, | |
439 | .dev = { | |
440 | .platform_data = &h1940_leds_pdata, | |
441 | }, | |
d2a76020 AP |
442 | }; |
443 | ||
ff34aaa9 | 444 | static struct platform_device h1940_device_bluetooth = { |
7fdc7849 AP |
445 | .name = "h1940-bt", |
446 | .id = -1, | |
447 | }; | |
448 | ||
48cd65a6 VK |
449 | static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd) |
450 | { | |
451 | switch (power_mode) { | |
452 | case MMC_POWER_OFF: | |
453 | gpio_set_value(H1940_LATCH_SD_POWER, 0); | |
454 | break; | |
455 | case MMC_POWER_UP: | |
456 | case MMC_POWER_ON: | |
457 | gpio_set_value(H1940_LATCH_SD_POWER, 1); | |
458 | break; | |
459 | default: | |
460 | break; | |
dec2e82a | 461 | } |
48cd65a6 VK |
462 | } |
463 | ||
22c810ab | 464 | static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = { |
3909b9f7 | 465 | .gpio_detect = S3C2410_GPF(5), |
466 | .gpio_wprotect = S3C2410_GPH(8), | |
48cd65a6 | 467 | .set_power = h1940_set_mmc_power, |
3909b9f7 | 468 | .ocr_avail = MMC_VDD_32_33, |
469 | }; | |
470 | ||
22e649ff | 471 | static int h1940_backlight_init(struct device *dev) |
472 | { | |
473 | gpio_request(S3C2410_GPB(0), "Backlight"); | |
474 | ||
db61ac54 | 475 | gpio_direction_output(S3C2410_GPB(0), 0); |
fb378747 | 476 | s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); |
40b956f0 | 477 | s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); |
53193dd3 | 478 | gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1); |
22e649ff | 479 | |
480 | return 0; | |
481 | } | |
482 | ||
53193dd3 VK |
483 | static int h1940_backlight_notify(struct device *dev, int brightness) |
484 | { | |
485 | if (!brightness) { | |
486 | gpio_direction_output(S3C2410_GPB(0), 1); | |
487 | gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0); | |
488 | } else { | |
489 | gpio_direction_output(S3C2410_GPB(0), 0); | |
490 | s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); | |
491 | s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); | |
492 | gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1); | |
493 | } | |
494 | return brightness; | |
495 | } | |
496 | ||
22e649ff | 497 | static void h1940_backlight_exit(struct device *dev) |
498 | { | |
db61ac54 | 499 | gpio_direction_output(S3C2410_GPB(0), 1); |
53193dd3 | 500 | gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0); |
22e649ff | 501 | } |
502 | ||
53193dd3 | 503 | |
22e649ff | 504 | static struct platform_pwm_backlight_data backlight_data = { |
505 | .pwm_id = 0, | |
506 | .max_brightness = 100, | |
507 | .dft_brightness = 50, | |
508 | /* tcnt = 0x31 */ | |
509 | .pwm_period_ns = 36296, | |
a63652f1 | 510 | .enable_gpio = -1, |
22e649ff | 511 | .init = h1940_backlight_init, |
53193dd3 | 512 | .notify = h1940_backlight_notify, |
22e649ff | 513 | .exit = h1940_backlight_exit, |
514 | }; | |
515 | ||
516 | static struct platform_device h1940_backlight = { | |
517 | .name = "pwm-backlight", | |
518 | .dev = { | |
7fa33bdb | 519 | .parent = &samsung_device_pwm.dev, |
22e649ff | 520 | .platform_data = &backlight_data, |
521 | }, | |
522 | .id = -1, | |
523 | }; | |
524 | ||
525 | static void h1940_lcd_power_set(struct plat_lcd_data *pd, | |
526 | unsigned int power) | |
527 | { | |
25d391cb | 528 | int value, retries = 100; |
22e649ff | 529 | |
530 | if (!power) { | |
53193dd3 | 531 | gpio_set_value(S3C2410_GPC(0), 0); |
22e649ff | 532 | /* wait for 3ac */ |
533 | do { | |
db61ac54 | 534 | value = gpio_get_value(S3C2410_GPC(6)); |
25d391cb | 535 | } while (value && retries--); |
53193dd3 VK |
536 | |
537 | gpio_set_value(H1940_LATCH_LCD_P2, 0); | |
538 | gpio_set_value(H1940_LATCH_LCD_P3, 0); | |
539 | gpio_set_value(H1940_LATCH_LCD_P4, 0); | |
540 | ||
541 | gpio_direction_output(S3C2410_GPC(1), 0); | |
542 | gpio_direction_output(S3C2410_GPC(4), 0); | |
543 | ||
544 | gpio_set_value(H1940_LATCH_LCD_P1, 0); | |
545 | gpio_set_value(H1940_LATCH_LCD_P0, 0); | |
546 | ||
547 | gpio_set_value(S3C2410_GPC(5), 0); | |
548 | ||
22e649ff | 549 | } else { |
53193dd3 VK |
550 | gpio_set_value(H1940_LATCH_LCD_P0, 1); |
551 | gpio_set_value(H1940_LATCH_LCD_P1, 1); | |
552 | ||
25d391cb VK |
553 | gpio_direction_input(S3C2410_GPC(1)); |
554 | gpio_direction_input(S3C2410_GPC(4)); | |
555 | mdelay(10); | |
53193dd3 VK |
556 | s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2)); |
557 | s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2)); | |
558 | ||
559 | gpio_set_value(S3C2410_GPC(5), 1); | |
560 | gpio_set_value(S3C2410_GPC(0), 1); | |
561 | ||
562 | gpio_set_value(H1940_LATCH_LCD_P3, 1); | |
563 | gpio_set_value(H1940_LATCH_LCD_P2, 1); | |
564 | gpio_set_value(H1940_LATCH_LCD_P4, 1); | |
22e649ff | 565 | } |
566 | } | |
567 | ||
568 | static struct plat_lcd_data h1940_lcd_power_data = { | |
569 | .set_power = h1940_lcd_power_set, | |
570 | }; | |
571 | ||
572 | static struct platform_device h1940_lcd_powerdev = { | |
573 | .name = "platform-lcd", | |
574 | .dev.parent = &s3c_device_lcd.dev, | |
575 | .dev.platform_data = &h1940_lcd_power_data, | |
576 | }; | |
577 | ||
68730b45 VK |
578 | static struct uda1380_platform_data uda1380_info = { |
579 | .gpio_power = H1940_LATCH_UDA_POWER, | |
580 | .gpio_reset = S3C2410_GPA(12), | |
581 | .dac_clk = UDA1380_DAC_CLK_SYSCLK, | |
582 | }; | |
583 | ||
584 | static struct i2c_board_info h1940_i2c_devices[] = { | |
585 | { | |
586 | I2C_BOARD_INFO("uda1380", 0x1a), | |
587 | .platform_data = &uda1380_info, | |
588 | }, | |
589 | }; | |
590 | ||
bbb1c832 APR |
591 | #define DECLARE_BUTTON(p, k, n, w) \ |
592 | { \ | |
593 | .gpio = p, \ | |
594 | .code = k, \ | |
595 | .desc = n, \ | |
596 | .wakeup = w, \ | |
597 | .active_low = 1, \ | |
598 | } | |
599 | ||
600 | static struct gpio_keys_button h1940_buttons[] = { | |
601 | DECLARE_BUTTON(S3C2410_GPF(0), KEY_POWER, "Power", 1), | |
602 | DECLARE_BUTTON(S3C2410_GPF(6), KEY_ENTER, "Select", 1), | |
603 | DECLARE_BUTTON(S3C2410_GPF(7), KEY_RECORD, "Record", 0), | |
604 | DECLARE_BUTTON(S3C2410_GPG(0), KEY_F11, "Calendar", 0), | |
605 | DECLARE_BUTTON(S3C2410_GPG(2), KEY_F12, "Contacts", 0), | |
606 | DECLARE_BUTTON(S3C2410_GPG(3), KEY_MAIL, "Mail", 0), | |
607 | DECLARE_BUTTON(S3C2410_GPG(6), KEY_LEFT, "Left_arrow", 0), | |
608 | DECLARE_BUTTON(S3C2410_GPG(7), KEY_HOMEPAGE, "Home", 0), | |
609 | DECLARE_BUTTON(S3C2410_GPG(8), KEY_RIGHT, "Right_arrow", 0), | |
610 | DECLARE_BUTTON(S3C2410_GPG(9), KEY_UP, "Up_arrow", 0), | |
611 | DECLARE_BUTTON(S3C2410_GPG(10), KEY_DOWN, "Down_arrow", 0), | |
612 | }; | |
613 | ||
614 | static struct gpio_keys_platform_data h1940_buttons_data = { | |
615 | .buttons = h1940_buttons, | |
616 | .nbuttons = ARRAY_SIZE(h1940_buttons), | |
617 | }; | |
618 | ||
619 | static struct platform_device h1940_dev_buttons = { | |
620 | .name = "gpio-keys", | |
621 | .id = -1, | |
622 | .dev = { | |
623 | .platform_data = &h1940_buttons_data, | |
624 | } | |
625 | }; | |
626 | ||
1da177e4 | 627 | static struct platform_device *h1940_devices[] __initdata = { |
bbb1c832 | 628 | &h1940_dev_buttons, |
b813248c | 629 | &s3c_device_ohci, |
1da177e4 LT |
630 | &s3c_device_lcd, |
631 | &s3c_device_wdt, | |
3e1b776c | 632 | &s3c_device_i2c0, |
1da177e4 | 633 | &s3c_device_iis, |
71a9c424 | 634 | &s3c_device_usbgadget, |
ff34aaa9 BD |
635 | &h1940_device_leds, |
636 | &h1940_device_bluetooth, | |
3909b9f7 | 637 | &s3c_device_sdi, |
13733d52 | 638 | &s3c_device_rtc, |
7fa33bdb | 639 | &samsung_device_pwm, |
22e649ff | 640 | &h1940_backlight, |
641 | &h1940_lcd_powerdev, | |
17dcd13a AP |
642 | &s3c_device_adc, |
643 | &s3c_device_ts, | |
a8e99850 VK |
644 | &power_supply, |
645 | &h1940_battery, | |
1da177e4 LT |
646 | }; |
647 | ||
5fe10ab1 | 648 | static void __init h1940_map_io(void) |
1da177e4 LT |
649 | { |
650 | s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc)); | |
1da177e4 | 651 | s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs)); |
7f78b6eb | 652 | samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); |
9073341c BD |
653 | |
654 | /* setup PM */ | |
655 | ||
b1dfe1f1 | 656 | #ifdef CONFIG_PM_H1940 |
9073341c | 657 | memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024); |
b1dfe1f1 | 658 | #endif |
4e59c25d | 659 | s3c_pm_init(); |
14477095 | 660 | |
53193dd3 VK |
661 | /* Add latch gpio chip, set latch initial value */ |
662 | h1940_latch_control(0, 0); | |
14477095 | 663 | WARN_ON(gpiochip_add(&h1940_latch_gpiochip)); |
1da177e4 LT |
664 | } |
665 | ||
07ee5e7c HS |
666 | static void __init h1940_init_time(void) |
667 | { | |
668 | s3c2410_init_clocks(12000000); | |
669 | samsung_timer_init(); | |
670 | } | |
671 | ||
98c672cf RK |
672 | /* H1940 and RX3715 need to reserve this for suspend */ |
673 | static void __init h1940_reserve(void) | |
674 | { | |
8d717a52 RK |
675 | memblock_reserve(0x30003000, 0x1000); |
676 | memblock_reserve(0x30081000, 0x1000); | |
98c672cf RK |
677 | } |
678 | ||
5fe10ab1 | 679 | static void __init h1940_init(void) |
f92273c1 | 680 | { |
71a9c424 AP |
681 | u32 tmp; |
682 | ||
09fe75f6 | 683 | s3c24xx_fb_set_platdata(&h1940_fb_info); |
22c810ab | 684 | s3c24xx_mci_set_platdata(&h1940_mmc_cfg); |
71a9c424 | 685 | s3c24xx_udc_set_platdata(&h1940_udc_cfg); |
ce8877b5 | 686 | s3c24xx_ts_set_platdata(&h1940_ts_cfg); |
3e1b776c | 687 | s3c_i2c0_set_platdata(NULL); |
71a9c424 AP |
688 | |
689 | /* Turn off suspend on both USB ports, and switch the | |
690 | * selectable USB port to USB device mode. */ | |
691 | ||
692 | s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | | |
693 | S3C2410_MISCCR_USBSUSPND0 | | |
694 | S3C2410_MISCCR_USBSUSPND1, 0x0); | |
695 | ||
52e329eb KK |
696 | tmp = (0x78 << S3C24XX_PLL_MDIV_SHIFT) |
697 | | (0x02 << S3C24XX_PLL_PDIV_SHIFT) | |
698 | | (0x03 << S3C24XX_PLL_SDIV_SHIFT); | |
71a9c424 | 699 | writel(tmp, S3C2410_UPLLCON); |
57e5171c | 700 | |
22e649ff | 701 | gpio_request(S3C2410_GPC(0), "LCD power"); |
53193dd3 VK |
702 | gpio_request(S3C2410_GPC(1), "LCD power"); |
703 | gpio_request(S3C2410_GPC(4), "LCD power"); | |
22e649ff | 704 | gpio_request(S3C2410_GPC(5), "LCD power"); |
705 | gpio_request(S3C2410_GPC(6), "LCD power"); | |
53193dd3 VK |
706 | gpio_request(H1940_LATCH_LCD_P0, "LCD power"); |
707 | gpio_request(H1940_LATCH_LCD_P1, "LCD power"); | |
708 | gpio_request(H1940_LATCH_LCD_P2, "LCD power"); | |
709 | gpio_request(H1940_LATCH_LCD_P3, "LCD power"); | |
710 | gpio_request(H1940_LATCH_LCD_P4, "LCD power"); | |
711 | gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power"); | |
712 | gpio_direction_output(S3C2410_GPC(0), 0); | |
713 | gpio_direction_output(S3C2410_GPC(1), 0); | |
714 | gpio_direction_output(S3C2410_GPC(4), 0); | |
715 | gpio_direction_output(S3C2410_GPC(5), 0); | |
db61ac54 | 716 | gpio_direction_input(S3C2410_GPC(6)); |
53193dd3 VK |
717 | gpio_direction_output(H1940_LATCH_LCD_P0, 0); |
718 | gpio_direction_output(H1940_LATCH_LCD_P1, 0); | |
719 | gpio_direction_output(H1940_LATCH_LCD_P2, 0); | |
720 | gpio_direction_output(H1940_LATCH_LCD_P3, 0); | |
721 | gpio_direction_output(H1940_LATCH_LCD_P4, 0); | |
722 | gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0); | |
22e649ff | 723 | |
48cd65a6 VK |
724 | gpio_request(H1940_LATCH_SD_POWER, "SD power"); |
725 | gpio_direction_output(H1940_LATCH_SD_POWER, 0); | |
22e649ff | 726 | |
57e5171c | 727 | platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices)); |
68730b45 | 728 | |
50e2d10d VK |
729 | gpio_request(S3C2410_GPA(1), "Red LED blink"); |
730 | gpio_request(S3C2410_GPA(3), "Blue LED blink"); | |
731 | gpio_request(S3C2410_GPA(7), "Green LED blink"); | |
732 | gpio_request(H1940_LATCH_LED_FLASH, "LED blink"); | |
733 | gpio_direction_output(S3C2410_GPA(1), 0); | |
734 | gpio_direction_output(S3C2410_GPA(3), 0); | |
735 | gpio_direction_output(S3C2410_GPA(7), 0); | |
736 | gpio_direction_output(H1940_LATCH_LED_FLASH, 0); | |
737 | ||
68730b45 VK |
738 | i2c_register_board_info(0, h1940_i2c_devices, |
739 | ARRAY_SIZE(h1940_i2c_devices)); | |
f92273c1 AP |
740 | } |
741 | ||
1da177e4 | 742 | MACHINE_START(H1940, "IPAQ-H1940") |
afdd225d | 743 | /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ |
69d50710 | 744 | .atag_offset = 0x100, |
e9dea0c6 | 745 | .map_io = h1940_map_io, |
98c672cf | 746 | .reserve = h1940_reserve, |
f182aa1d | 747 | .init_irq = s3c2410_init_irq, |
71a9c424 | 748 | .init_machine = h1940_init, |
07ee5e7c | 749 | .init_time = h1940_init_time, |
b27b0727 | 750 | .restart = s3c2410_restart, |
1da177e4 | 751 | MACHINE_END |