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