]>
Commit | Line | Data |
---|---|---|
9b6553cd TL |
1 | /* |
2 | * linux/arch/arm/mach-omap1/board-nokia770.c | |
3 | * | |
4 | * Modified from board-generic.c | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #include <linux/kernel.h> | |
12 | #include <linux/init.h> | |
d41d219e | 13 | #include <linux/mutex.h> |
9b6553cd TL |
14 | #include <linux/platform_device.h> |
15 | #include <linux/input.h> | |
16 | #include <linux/clk.h> | |
17 | ||
18 | #include <linux/spi/spi.h> | |
19 | #include <linux/spi/ads7846.h> | |
19350610 DB |
20 | #include <linux/workqueue.h> |
21 | #include <linux/delay.h> | |
9b6553cd | 22 | |
a09e64fb | 23 | #include <mach/hardware.h> |
9b6553cd TL |
24 | #include <asm/mach-types.h> |
25 | #include <asm/mach/arch.h> | |
26 | #include <asm/mach/map.h> | |
27 | ||
a09e64fb | 28 | #include <mach/gpio.h> |
ce491cf8 TL |
29 | #include <plat/mux.h> |
30 | #include <plat/usb.h> | |
31 | #include <plat/board.h> | |
32 | #include <plat/keypad.h> | |
33 | #include <plat/common.h> | |
34 | #include <plat/dsp_common.h> | |
35 | #include <plat/omapfb.h> | |
36 | #include <plat/hwa742.h> | |
37 | #include <plat/lcd_mipid.h> | |
38 | #include <plat/mmc.h> | |
39 | #include <plat/clock.h> | |
9b6553cd | 40 | |
06767fb2 ID |
41 | #define ADS7846_PENDOWN_GPIO 15 |
42 | ||
9b6553cd TL |
43 | static void __init omap_nokia770_init_irq(void) |
44 | { | |
45 | /* On Nokia 770, the SleepX signal is masked with an | |
46 | * MPUIO line by default. It has to be unmasked for it | |
47 | * to become functional */ | |
48 | ||
49 | /* SleepX mask direction */ | |
50 | omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008); | |
51 | /* Unmask SleepX signal */ | |
52 | omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004); | |
53 | ||
54 | omap1_init_common_hw(); | |
55 | omap_init_irq(); | |
56 | } | |
57 | ||
58 | static int nokia770_keymap[] = { | |
59 | KEY(0, 1, GROUP_0 | KEY_UP), | |
60 | KEY(0, 2, GROUP_1 | KEY_F5), | |
61 | KEY(1, 0, GROUP_0 | KEY_LEFT), | |
62 | KEY(1, 1, GROUP_0 | KEY_ENTER), | |
63 | KEY(1, 2, GROUP_0 | KEY_RIGHT), | |
64 | KEY(2, 0, GROUP_1 | KEY_ESC), | |
65 | KEY(2, 1, GROUP_0 | KEY_DOWN), | |
66 | KEY(2, 2, GROUP_1 | KEY_F4), | |
67 | KEY(3, 0, GROUP_2 | KEY_F7), | |
68 | KEY(3, 1, GROUP_2 | KEY_F8), | |
69 | KEY(3, 2, GROUP_2 | KEY_F6), | |
70 | 0 | |
71 | }; | |
72 | ||
73 | static struct resource nokia770_kp_resources[] = { | |
74 | [0] = { | |
75 | .start = INT_KEYBOARD, | |
76 | .end = INT_KEYBOARD, | |
77 | .flags = IORESOURCE_IRQ, | |
78 | }, | |
79 | }; | |
80 | ||
81 | static struct omap_kp_platform_data nokia770_kp_data = { | |
4d24607b KS |
82 | .rows = 8, |
83 | .cols = 8, | |
84 | .keymap = nokia770_keymap, | |
6d5aefb8 | 85 | .keymapsize = ARRAY_SIZE(nokia770_keymap), |
4d24607b | 86 | .delay = 4, |
9b6553cd TL |
87 | }; |
88 | ||
89 | static struct platform_device nokia770_kp_device = { | |
90 | .name = "omap-keypad", | |
91 | .id = -1, | |
92 | .dev = { | |
93 | .platform_data = &nokia770_kp_data, | |
94 | }, | |
95 | .num_resources = ARRAY_SIZE(nokia770_kp_resources), | |
96 | .resource = nokia770_kp_resources, | |
97 | }; | |
98 | ||
99 | static struct platform_device *nokia770_devices[] __initdata = { | |
a524626b | 100 | &nokia770_kp_device, |
9b6553cd TL |
101 | }; |
102 | ||
06767fb2 ID |
103 | static void mipid_shutdown(struct mipid_platform_data *pdata) |
104 | { | |
105 | if (pdata->nreset_gpio != -1) { | |
106 | printk(KERN_INFO "shutdown LCD\n"); | |
0b84b5ca | 107 | gpio_set_value(pdata->nreset_gpio, 0); |
06767fb2 ID |
108 | msleep(120); |
109 | } | |
110 | } | |
111 | ||
112 | static struct mipid_platform_data nokia770_mipid_platform_data = { | |
113 | .shutdown = mipid_shutdown, | |
114 | }; | |
115 | ||
116 | static void mipid_dev_init(void) | |
117 | { | |
118 | const struct omap_lcd_config *conf; | |
119 | ||
120 | conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config); | |
121 | if (conf != NULL) { | |
122 | nokia770_mipid_platform_data.nreset_gpio = conf->nreset_gpio; | |
123 | nokia770_mipid_platform_data.data_lines = conf->data_lines; | |
124 | } | |
125 | } | |
126 | ||
127 | static void ads7846_dev_init(void) | |
128 | { | |
f2d18fea | 129 | if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0) |
06767fb2 ID |
130 | printk(KERN_ERR "can't get ads7846 pen down GPIO\n"); |
131 | } | |
132 | ||
133 | static int ads7846_get_pendown_state(void) | |
134 | { | |
0b84b5ca | 135 | return !gpio_get_value(ADS7846_PENDOWN_GPIO); |
06767fb2 ID |
136 | } |
137 | ||
9b6553cd TL |
138 | static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = { |
139 | .x_max = 0x0fff, | |
140 | .y_max = 0x0fff, | |
141 | .x_plate_ohms = 180, | |
142 | .pressure_max = 255, | |
143 | .debounce_max = 10, | |
144 | .debounce_tol = 3, | |
06767fb2 ID |
145 | .debounce_rep = 1, |
146 | .get_pendown_state = ads7846_get_pendown_state, | |
9b6553cd TL |
147 | }; |
148 | ||
149 | static struct spi_board_info nokia770_spi_board_info[] __initdata = { | |
150 | [0] = { | |
a524626b | 151 | .modalias = "lcd_mipid", |
9b6553cd TL |
152 | .bus_num = 2, |
153 | .chip_select = 3, | |
154 | .max_speed_hz = 12000000, | |
06767fb2 | 155 | .platform_data = &nokia770_mipid_platform_data, |
9b6553cd TL |
156 | }, |
157 | [1] = { | |
158 | .modalias = "ads7846", | |
159 | .bus_num = 2, | |
160 | .chip_select = 0, | |
161 | .max_speed_hz = 2500000, | |
162 | .irq = OMAP_GPIO_IRQ(15), | |
163 | .platform_data = &nokia770_ads7846_platform_data, | |
164 | }, | |
165 | }; | |
166 | ||
088962c2 AQ |
167 | static struct hwa742_platform_data nokia770_hwa742_platform_data = { |
168 | .te_connected = 1, | |
169 | }; | |
170 | ||
171 | static void hwa742_dev_init(void) | |
172 | { | |
173 | clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL); | |
174 | omapfb_set_ctrl_platform_data(&nokia770_hwa742_platform_data); | |
175 | } | |
9b6553cd TL |
176 | |
177 | /* assume no Mini-AB port */ | |
178 | ||
179 | static struct omap_usb_config nokia770_usb_config __initdata = { | |
180 | .otg = 1, | |
181 | .register_host = 1, | |
182 | .register_dev = 1, | |
183 | .hmc_mode = 16, | |
184 | .pins[0] = 6, | |
185 | }; | |
186 | ||
d8874665 TL |
187 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) |
188 | ||
189 | #define NOKIA770_GPIO_MMC_POWER 41 | |
190 | #define NOKIA770_GPIO_MMC_SWITCH 23 | |
191 | ||
192 | static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on, | |
193 | int vdd) | |
194 | { | |
bac5b29f | 195 | gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on); |
d8874665 TL |
196 | return 0; |
197 | } | |
198 | ||
199 | static int nokia770_mmc_get_cover_state(struct device *dev, int slot) | |
200 | { | |
201 | return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH); | |
202 | } | |
203 | ||
204 | static struct omap_mmc_platform_data nokia770_mmc2_data = { | |
205 | .nr_slots = 1, | |
206 | .dma_mask = 0xffffffff, | |
e4d24ec3 | 207 | .max_freq = 12000000, |
d8874665 TL |
208 | .slots[0] = { |
209 | .set_power = nokia770_mmc_set_power, | |
210 | .get_cover_state = nokia770_mmc_get_cover_state, | |
e4d24ec3 | 211 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
d8874665 | 212 | .name = "mmcblk", |
9b6553cd TL |
213 | }, |
214 | }; | |
215 | ||
d8874665 TL |
216 | static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC]; |
217 | ||
218 | static void __init nokia770_mmc_init(void) | |
219 | { | |
220 | int ret; | |
221 | ||
222 | ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power"); | |
223 | if (ret < 0) | |
224 | return; | |
225 | gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0); | |
226 | ||
227 | ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover"); | |
228 | if (ret < 0) { | |
229 | gpio_free(NOKIA770_GPIO_MMC_POWER); | |
230 | return; | |
231 | } | |
232 | gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH); | |
233 | ||
234 | /* Only the second MMC controller is used */ | |
235 | nokia770_mmc_data[1] = &nokia770_mmc2_data; | |
236 | omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC); | |
237 | } | |
238 | ||
239 | #else | |
240 | static inline void nokia770_mmc_init(void) | |
241 | { | |
242 | } | |
243 | #endif | |
244 | ||
a524626b | 245 | #if defined(CONFIG_OMAP_DSP) |
9b6553cd TL |
246 | /* |
247 | * audio power control | |
248 | */ | |
249 | #define HEADPHONE_GPIO 14 | |
250 | #define AMPLIFIER_CTRL_GPIO 58 | |
251 | ||
252 | static struct clk *dspxor_ck; | |
d41d219e | 253 | static DEFINE_MUTEX(audio_pwr_lock); |
9b6553cd TL |
254 | /* |
255 | * audio_pwr_state | |
256 | * +--+-------------------------+---------------------------------------+ | |
257 | * |-1|down |power-up request -> 0 | | |
258 | * +--+-------------------------+---------------------------------------+ | |
259 | * | 0|up |power-down(1) request -> 1 | | |
260 | * | | |power-down(2) request -> (ignore) | | |
261 | * +--+-------------------------+---------------------------------------+ | |
262 | * | 1|up, |power-up request -> 0 | | |
263 | * | |received down(1) request |power-down(2) request -> -1 | | |
264 | * +--+-------------------------+---------------------------------------+ | |
265 | */ | |
266 | static int audio_pwr_state = -1; | |
267 | ||
e999bbe7 TL |
268 | static inline void aic23_power_up(void) |
269 | { | |
270 | } | |
271 | static inline void aic23_power_down(void) | |
272 | { | |
273 | } | |
274 | ||
9b6553cd | 275 | /* |
d41d219e | 276 | * audio_pwr_up / down should be called under audio_pwr_lock |
9b6553cd TL |
277 | */ |
278 | static void nokia770_audio_pwr_up(void) | |
279 | { | |
280 | clk_enable(dspxor_ck); | |
281 | ||
282 | /* Turn on codec */ | |
a524626b | 283 | aic23_power_up(); |
9b6553cd | 284 | |
0b84b5ca | 285 | if (gpio_get_value(HEADPHONE_GPIO)) |
9b6553cd | 286 | /* HP not connected, turn on amplifier */ |
0b84b5ca | 287 | gpio_set_value(AMPLIFIER_CTRL_GPIO, 1); |
9b6553cd TL |
288 | else |
289 | /* HP connected, do not turn on amplifier */ | |
290 | printk("HP connected\n"); | |
291 | } | |
292 | ||
6d5aefb8 | 293 | static void codec_delayed_power_down(struct work_struct *work) |
9b6553cd | 294 | { |
d41d219e | 295 | mutex_lock(&audio_pwr_lock); |
9b6553cd | 296 | if (audio_pwr_state == -1) |
a524626b | 297 | aic23_power_down(); |
9b6553cd | 298 | clk_disable(dspxor_ck); |
d41d219e | 299 | mutex_unlock(&audio_pwr_lock); |
9b6553cd TL |
300 | } |
301 | ||
6d5aefb8 | 302 | static DECLARE_DELAYED_WORK(codec_power_down_work, codec_delayed_power_down); |
9b6553cd TL |
303 | |
304 | static void nokia770_audio_pwr_down(void) | |
305 | { | |
306 | /* Turn off amplifier */ | |
0b84b5ca | 307 | gpio_set_value(AMPLIFIER_CTRL_GPIO, 0); |
9b6553cd TL |
308 | |
309 | /* Turn off codec: schedule delayed work */ | |
310 | schedule_delayed_work(&codec_power_down_work, HZ / 20); /* 50ms */ | |
311 | } | |
312 | ||
a524626b TL |
313 | static int |
314 | nokia770_audio_pwr_up_request(struct dsp_kfunc_device *kdev, int stage) | |
9b6553cd | 315 | { |
d41d219e | 316 | mutex_lock(&audio_pwr_lock); |
9b6553cd TL |
317 | if (audio_pwr_state == -1) |
318 | nokia770_audio_pwr_up(); | |
319 | /* force audio_pwr_state = 0, even if it was 1. */ | |
320 | audio_pwr_state = 0; | |
d41d219e | 321 | mutex_unlock(&audio_pwr_lock); |
a524626b | 322 | return 0; |
9b6553cd TL |
323 | } |
324 | ||
a524626b TL |
325 | static int |
326 | nokia770_audio_pwr_down_request(struct dsp_kfunc_device *kdev, int stage) | |
9b6553cd | 327 | { |
d41d219e | 328 | mutex_lock(&audio_pwr_lock); |
9b6553cd TL |
329 | switch (stage) { |
330 | case 1: | |
331 | if (audio_pwr_state == 0) | |
332 | audio_pwr_state = 1; | |
333 | break; | |
334 | case 2: | |
335 | if (audio_pwr_state == 1) { | |
336 | nokia770_audio_pwr_down(); | |
337 | audio_pwr_state = -1; | |
338 | } | |
339 | break; | |
340 | } | |
d41d219e | 341 | mutex_unlock(&audio_pwr_lock); |
a524626b TL |
342 | return 0; |
343 | } | |
344 | ||
345 | static struct dsp_kfunc_device nokia770_audio_device = { | |
346 | .name = "audio", | |
347 | .type = DSP_KFUNC_DEV_TYPE_AUDIO, | |
348 | .enable = nokia770_audio_pwr_up_request, | |
349 | .disable = nokia770_audio_pwr_down_request, | |
350 | }; | |
351 | ||
352 | static __init int omap_dsp_init(void) | |
353 | { | |
354 | int ret; | |
355 | ||
356 | dspxor_ck = clk_get(0, "dspxor_ck"); | |
357 | if (IS_ERR(dspxor_ck)) { | |
358 | printk(KERN_ERR "couldn't acquire dspxor_ck\n"); | |
359 | return PTR_ERR(dspxor_ck); | |
360 | } | |
361 | ||
362 | ret = dsp_kfunc_device_register(&nokia770_audio_device); | |
363 | if (ret) { | |
364 | printk(KERN_ERR | |
365 | "KFUNC device registration faild: %s\n", | |
366 | nokia770_audio_device.name); | |
367 | goto out; | |
368 | } | |
369 | return 0; | |
370 | out: | |
371 | return ret; | |
9b6553cd | 372 | } |
f6f2a5db DW |
373 | #else |
374 | #define omap_dsp_init() do {} while (0) | |
a524626b | 375 | #endif /* CONFIG_OMAP_DSP */ |
9b6553cd TL |
376 | |
377 | static void __init omap_nokia770_init(void) | |
378 | { | |
9b6553cd TL |
379 | platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices)); |
380 | spi_register_board_info(nokia770_spi_board_info, | |
381 | ARRAY_SIZE(nokia770_spi_board_info)); | |
06767fb2 | 382 | omap_gpio_init(); |
9b6553cd | 383 | omap_serial_init(); |
1ed16a86 | 384 | omap_register_i2c_bus(1, 100, NULL, 0); |
a524626b | 385 | omap_dsp_init(); |
088962c2 | 386 | hwa742_dev_init(); |
06767fb2 ID |
387 | ads7846_dev_init(); |
388 | mipid_dev_init(); | |
b0b5aa3f | 389 | omap_usb_init(&nokia770_usb_config); |
d8874665 | 390 | nokia770_mmc_init(); |
9b6553cd TL |
391 | } |
392 | ||
393 | static void __init omap_nokia770_map_io(void) | |
394 | { | |
395 | omap1_map_common_io(); | |
396 | } | |
397 | ||
398 | MACHINE_START(NOKIA770, "Nokia 770") | |
399 | .phys_io = 0xfff00000, | |
400 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, | |
401 | .boot_params = 0x10000100, | |
402 | .map_io = omap_nokia770_map_io, | |
403 | .init_irq = omap_nokia770_init_irq, | |
404 | .init_machine = omap_nokia770_init, | |
405 | .timer = &omap_timer, | |
406 | MACHINE_END |