ARM: OMAP1: Remove omap_sram_idle()
[deliverable/linux.git] / arch / arm / mach-omap1 / board-nokia770.c
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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>
13#include <linux/platform_device.h>
14#include <linux/input.h>
15#include <linux/clk.h>
16
17#include <linux/spi/spi.h>
18#include <linux/spi/ads7846.h>
19350610
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19#include <linux/workqueue.h>
20#include <linux/delay.h>
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21
22#include <asm/hardware.h>
23#include <asm/mach-types.h>
24#include <asm/mach/arch.h>
25#include <asm/mach/map.h>
26
27#include <asm/arch/gpio.h>
28#include <asm/arch/mux.h>
29#include <asm/arch/usb.h>
30#include <asm/arch/board.h>
31#include <asm/arch/keypad.h>
32#include <asm/arch/common.h>
33#include <asm/arch/dsp_common.h>
34#include <asm/arch/aic23.h>
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35#include <asm/arch/omapfb.h>
36#include <asm/arch/lcd_mipid.h>
9b6553cd 37
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38#define ADS7846_PENDOWN_GPIO 15
39
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40static void __init omap_nokia770_init_irq(void)
41{
42 /* On Nokia 770, the SleepX signal is masked with an
43 * MPUIO line by default. It has to be unmasked for it
44 * to become functional */
45
46 /* SleepX mask direction */
47 omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
48 /* Unmask SleepX signal */
49 omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
50
51 omap1_init_common_hw();
52 omap_init_irq();
53}
54
55static int nokia770_keymap[] = {
56 KEY(0, 1, GROUP_0 | KEY_UP),
57 KEY(0, 2, GROUP_1 | KEY_F5),
58 KEY(1, 0, GROUP_0 | KEY_LEFT),
59 KEY(1, 1, GROUP_0 | KEY_ENTER),
60 KEY(1, 2, GROUP_0 | KEY_RIGHT),
61 KEY(2, 0, GROUP_1 | KEY_ESC),
62 KEY(2, 1, GROUP_0 | KEY_DOWN),
63 KEY(2, 2, GROUP_1 | KEY_F4),
64 KEY(3, 0, GROUP_2 | KEY_F7),
65 KEY(3, 1, GROUP_2 | KEY_F8),
66 KEY(3, 2, GROUP_2 | KEY_F6),
67 0
68};
69
70static struct resource nokia770_kp_resources[] = {
71 [0] = {
72 .start = INT_KEYBOARD,
73 .end = INT_KEYBOARD,
74 .flags = IORESOURCE_IRQ,
75 },
76};
77
78static struct omap_kp_platform_data nokia770_kp_data = {
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79 .rows = 8,
80 .cols = 8,
81 .keymap = nokia770_keymap,
6d5aefb8 82 .keymapsize = ARRAY_SIZE(nokia770_keymap),
4d24607b 83 .delay = 4,
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84};
85
86static struct platform_device nokia770_kp_device = {
87 .name = "omap-keypad",
88 .id = -1,
89 .dev = {
90 .platform_data = &nokia770_kp_data,
91 },
92 .num_resources = ARRAY_SIZE(nokia770_kp_resources),
93 .resource = nokia770_kp_resources,
94};
95
96static struct platform_device *nokia770_devices[] __initdata = {
a524626b 97 &nokia770_kp_device,
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98};
99
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100static void mipid_shutdown(struct mipid_platform_data *pdata)
101{
102 if (pdata->nreset_gpio != -1) {
103 printk(KERN_INFO "shutdown LCD\n");
104 omap_set_gpio_dataout(pdata->nreset_gpio, 0);
105 msleep(120);
106 }
107}
108
109static struct mipid_platform_data nokia770_mipid_platform_data = {
110 .shutdown = mipid_shutdown,
111};
112
113static void mipid_dev_init(void)
114{
115 const struct omap_lcd_config *conf;
116
117 conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
118 if (conf != NULL) {
119 nokia770_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
120 nokia770_mipid_platform_data.data_lines = conf->data_lines;
121 }
122}
123
124static void ads7846_dev_init(void)
125{
126 if (omap_request_gpio(ADS7846_PENDOWN_GPIO) < 0)
127 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
128}
129
130static int ads7846_get_pendown_state(void)
131{
132 return !omap_get_gpio_datain(ADS7846_PENDOWN_GPIO);
133}
134
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135static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
136 .x_max = 0x0fff,
137 .y_max = 0x0fff,
138 .x_plate_ohms = 180,
139 .pressure_max = 255,
140 .debounce_max = 10,
141 .debounce_tol = 3,
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142 .debounce_rep = 1,
143 .get_pendown_state = ads7846_get_pendown_state,
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144};
145
146static struct spi_board_info nokia770_spi_board_info[] __initdata = {
147 [0] = {
a524626b 148 .modalias = "lcd_mipid",
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149 .bus_num = 2,
150 .chip_select = 3,
151 .max_speed_hz = 12000000,
06767fb2 152 .platform_data = &nokia770_mipid_platform_data,
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153 },
154 [1] = {
155 .modalias = "ads7846",
156 .bus_num = 2,
157 .chip_select = 0,
158 .max_speed_hz = 2500000,
159 .irq = OMAP_GPIO_IRQ(15),
160 .platform_data = &nokia770_ads7846_platform_data,
161 },
162};
163
164
165/* assume no Mini-AB port */
166
167static struct omap_usb_config nokia770_usb_config __initdata = {
168 .otg = 1,
169 .register_host = 1,
170 .register_dev = 1,
171 .hmc_mode = 16,
172 .pins[0] = 6,
173};
174
175static struct omap_mmc_config nokia770_mmc_config __initdata = {
176 .mmc[0] = {
177 .enabled = 0,
178 .wire4 = 0,
179 .wp_pin = -1,
180 .power_pin = -1,
181 .switch_pin = -1,
182 },
183 .mmc[1] = {
184 .enabled = 0,
185 .wire4 = 0,
186 .wp_pin = -1,
187 .power_pin = -1,
188 .switch_pin = -1,
189 },
190};
191
192static struct omap_board_config_kernel nokia770_config[] = {
193 { OMAP_TAG_USB, NULL },
194 { OMAP_TAG_MMC, &nokia770_mmc_config },
195};
196
a524626b 197#if defined(CONFIG_OMAP_DSP)
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198/*
199 * audio power control
200 */
201#define HEADPHONE_GPIO 14
202#define AMPLIFIER_CTRL_GPIO 58
203
204static struct clk *dspxor_ck;
205static DECLARE_MUTEX(audio_pwr_sem);
206/*
207 * audio_pwr_state
208 * +--+-------------------------+---------------------------------------+
209 * |-1|down |power-up request -> 0 |
210 * +--+-------------------------+---------------------------------------+
211 * | 0|up |power-down(1) request -> 1 |
212 * | | |power-down(2) request -> (ignore) |
213 * +--+-------------------------+---------------------------------------+
214 * | 1|up, |power-up request -> 0 |
215 * | |received down(1) request |power-down(2) request -> -1 |
216 * +--+-------------------------+---------------------------------------+
217 */
218static int audio_pwr_state = -1;
219
220/*
221 * audio_pwr_up / down should be called under audio_pwr_sem
222 */
223static void nokia770_audio_pwr_up(void)
224{
225 clk_enable(dspxor_ck);
226
227 /* Turn on codec */
a524626b 228 aic23_power_up();
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229
230 if (omap_get_gpio_datain(HEADPHONE_GPIO))
231 /* HP not connected, turn on amplifier */
232 omap_set_gpio_dataout(AMPLIFIER_CTRL_GPIO, 1);
233 else
234 /* HP connected, do not turn on amplifier */
235 printk("HP connected\n");
236}
237
6d5aefb8 238static void codec_delayed_power_down(struct work_struct *work)
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239{
240 down(&audio_pwr_sem);
241 if (audio_pwr_state == -1)
a524626b 242 aic23_power_down();
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243 clk_disable(dspxor_ck);
244 up(&audio_pwr_sem);
245}
246
6d5aefb8 247static DECLARE_DELAYED_WORK(codec_power_down_work, codec_delayed_power_down);
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248
249static void nokia770_audio_pwr_down(void)
250{
251 /* Turn off amplifier */
252 omap_set_gpio_dataout(AMPLIFIER_CTRL_GPIO, 0);
253
254 /* Turn off codec: schedule delayed work */
255 schedule_delayed_work(&codec_power_down_work, HZ / 20); /* 50ms */
256}
257
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258static int
259nokia770_audio_pwr_up_request(struct dsp_kfunc_device *kdev, int stage)
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260{
261 down(&audio_pwr_sem);
262 if (audio_pwr_state == -1)
263 nokia770_audio_pwr_up();
264 /* force audio_pwr_state = 0, even if it was 1. */
265 audio_pwr_state = 0;
266 up(&audio_pwr_sem);
a524626b 267 return 0;
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268}
269
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270static int
271nokia770_audio_pwr_down_request(struct dsp_kfunc_device *kdev, int stage)
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272{
273 down(&audio_pwr_sem);
274 switch (stage) {
275 case 1:
276 if (audio_pwr_state == 0)
277 audio_pwr_state = 1;
278 break;
279 case 2:
280 if (audio_pwr_state == 1) {
281 nokia770_audio_pwr_down();
282 audio_pwr_state = -1;
283 }
284 break;
285 }
286 up(&audio_pwr_sem);
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287 return 0;
288}
289
290static struct dsp_kfunc_device nokia770_audio_device = {
291 .name = "audio",
292 .type = DSP_KFUNC_DEV_TYPE_AUDIO,
293 .enable = nokia770_audio_pwr_up_request,
294 .disable = nokia770_audio_pwr_down_request,
295};
296
297static __init int omap_dsp_init(void)
298{
299 int ret;
300
301 dspxor_ck = clk_get(0, "dspxor_ck");
302 if (IS_ERR(dspxor_ck)) {
303 printk(KERN_ERR "couldn't acquire dspxor_ck\n");
304 return PTR_ERR(dspxor_ck);
305 }
306
307 ret = dsp_kfunc_device_register(&nokia770_audio_device);
308 if (ret) {
309 printk(KERN_ERR
310 "KFUNC device registration faild: %s\n",
311 nokia770_audio_device.name);
312 goto out;
313 }
314 return 0;
315 out:
316 return ret;
9b6553cd 317}
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318#else
319#define omap_dsp_init() do {} while (0)
a524626b 320#endif /* CONFIG_OMAP_DSP */
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321
322static void __init omap_nokia770_init(void)
323{
324 nokia770_config[0].data = &nokia770_usb_config;
325
326 platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
327 spi_register_board_info(nokia770_spi_board_info,
328 ARRAY_SIZE(nokia770_spi_board_info));
329 omap_board_config = nokia770_config;
330 omap_board_config_size = ARRAY_SIZE(nokia770_config);
06767fb2 331 omap_gpio_init();
9b6553cd 332 omap_serial_init();
a524626b 333 omap_dsp_init();
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334 ads7846_dev_init();
335 mipid_dev_init();
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336}
337
338static void __init omap_nokia770_map_io(void)
339{
340 omap1_map_common_io();
341}
342
343MACHINE_START(NOKIA770, "Nokia 770")
344 .phys_io = 0xfff00000,
345 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
346 .boot_params = 0x10000100,
347 .map_io = omap_nokia770_map_io,
348 .init_irq = omap_nokia770_init_irq,
349 .init_machine = omap_nokia770_init,
350 .timer = &omap_timer,
351MACHINE_END
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