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Tony Lindgren9b6553c2006-04-02 17:46:30 +01001/*
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>
Matthias Kaehlcked41d2192008-06-09 16:24:08 -070013#include <linux/mutex.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010014#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>
Dirk Behme19350612007-01-25 16:29:42 -080020#include <linux/workqueue.h>
21#include <linux/delay.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010022
Russell Kinga09e64f2008-08-05 16:14:15 +010023#include <mach/hardware.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010024#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <asm/mach/map.h>
27
Russell Kinga09e64f2008-08-05 16:14:15 +010028#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>
35#include <mach/aic23.h>
36#include <mach/omapfb.h>
37#include <mach/lcd_mipid.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010038
Imre Deak06767fb2007-03-06 18:20:00 +020039#define ADS7846_PENDOWN_GPIO 15
40
Tony Lindgren9b6553c2006-04-02 17:46:30 +010041static 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
56static 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
71static struct resource nokia770_kp_resources[] = {
72 [0] = {
73 .start = INT_KEYBOARD,
74 .end = INT_KEYBOARD,
75 .flags = IORESOURCE_IRQ,
76 },
77};
78
79static struct omap_kp_platform_data nokia770_kp_data = {
Komal Shah4d246072006-09-29 01:59:20 -070080 .rows = 8,
81 .cols = 8,
82 .keymap = nokia770_keymap,
David Howells6d5aefb2006-12-05 19:36:26 +000083 .keymapsize = ARRAY_SIZE(nokia770_keymap),
Komal Shah4d246072006-09-29 01:59:20 -070084 .delay = 4,
Tony Lindgren9b6553c2006-04-02 17:46:30 +010085};
86
87static 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
97static struct platform_device *nokia770_devices[] __initdata = {
Tony Lindgrena5246262006-12-07 13:58:17 -080098 &nokia770_kp_device,
Tony Lindgren9b6553c2006-04-02 17:46:30 +010099};
100
Imre Deak06767fb2007-03-06 18:20:00 +0200101static void mipid_shutdown(struct mipid_platform_data *pdata)
102{
103 if (pdata->nreset_gpio != -1) {
104 printk(KERN_INFO "shutdown LCD\n");
David Brownell0b84b5c2008-12-10 17:35:25 -0800105 gpio_set_value(pdata->nreset_gpio, 0);
Imre Deak06767fb2007-03-06 18:20:00 +0200106 msleep(120);
107 }
108}
109
110static struct mipid_platform_data nokia770_mipid_platform_data = {
111 .shutdown = mipid_shutdown,
112};
113
114static 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
125static void ads7846_dev_init(void)
126{
127 if (omap_request_gpio(ADS7846_PENDOWN_GPIO) < 0)
128 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
129}
130
131static int ads7846_get_pendown_state(void)
132{
David Brownell0b84b5c2008-12-10 17:35:25 -0800133 return !gpio_get_value(ADS7846_PENDOWN_GPIO);
Imre Deak06767fb2007-03-06 18:20:00 +0200134}
135
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100136static 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,
Imre Deak06767fb2007-03-06 18:20:00 +0200143 .debounce_rep = 1,
144 .get_pendown_state = ads7846_get_pendown_state,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100145};
146
147static struct spi_board_info nokia770_spi_board_info[] __initdata = {
148 [0] = {
Tony Lindgrena5246262006-12-07 13:58:17 -0800149 .modalias = "lcd_mipid",
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100150 .bus_num = 2,
151 .chip_select = 3,
152 .max_speed_hz = 12000000,
Imre Deak06767fb2007-03-06 18:20:00 +0200153 .platform_data = &nokia770_mipid_platform_data,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100154 },
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
168static 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
176static struct omap_mmc_config nokia770_mmc_config __initdata = {
177 .mmc[0] = {
178 .enabled = 0,
179 .wire4 = 0,
180 .wp_pin = -1,
181 .power_pin = -1,
182 .switch_pin = -1,
183 },
184 .mmc[1] = {
185 .enabled = 0,
186 .wire4 = 0,
187 .wp_pin = -1,
188 .power_pin = -1,
189 .switch_pin = -1,
190 },
191};
192
Tony Lindgrene27a93a2007-12-18 20:58:32 -0800193static struct omap_board_config_kernel nokia770_config[] __initdata = {
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100194 { OMAP_TAG_USB, NULL },
195 { OMAP_TAG_MMC, &nokia770_mmc_config },
196};
197
Tony Lindgrena5246262006-12-07 13:58:17 -0800198#if defined(CONFIG_OMAP_DSP)
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100199/*
200 * audio power control
201 */
202#define HEADPHONE_GPIO 14
203#define AMPLIFIER_CTRL_GPIO 58
204
205static struct clk *dspxor_ck;
Matthias Kaehlcked41d2192008-06-09 16:24:08 -0700206static DEFINE_MUTEX(audio_pwr_lock);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100207/*
208 * audio_pwr_state
209 * +--+-------------------------+---------------------------------------+
210 * |-1|down |power-up request -> 0 |
211 * +--+-------------------------+---------------------------------------+
212 * | 0|up |power-down(1) request -> 1 |
213 * | | |power-down(2) request -> (ignore) |
214 * +--+-------------------------+---------------------------------------+
215 * | 1|up, |power-up request -> 0 |
216 * | |received down(1) request |power-down(2) request -> -1 |
217 * +--+-------------------------+---------------------------------------+
218 */
219static int audio_pwr_state = -1;
220
221/*
Matthias Kaehlcked41d2192008-06-09 16:24:08 -0700222 * audio_pwr_up / down should be called under audio_pwr_lock
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100223 */
224static void nokia770_audio_pwr_up(void)
225{
226 clk_enable(dspxor_ck);
227
228 /* Turn on codec */
Tony Lindgrena5246262006-12-07 13:58:17 -0800229 aic23_power_up();
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100230
David Brownell0b84b5c2008-12-10 17:35:25 -0800231 if (gpio_get_value(HEADPHONE_GPIO))
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100232 /* HP not connected, turn on amplifier */
David Brownell0b84b5c2008-12-10 17:35:25 -0800233 gpio_set_value(AMPLIFIER_CTRL_GPIO, 1);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100234 else
235 /* HP connected, do not turn on amplifier */
236 printk("HP connected\n");
237}
238
David Howells6d5aefb2006-12-05 19:36:26 +0000239static void codec_delayed_power_down(struct work_struct *work)
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100240{
Matthias Kaehlcked41d2192008-06-09 16:24:08 -0700241 mutex_lock(&audio_pwr_lock);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100242 if (audio_pwr_state == -1)
Tony Lindgrena5246262006-12-07 13:58:17 -0800243 aic23_power_down();
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100244 clk_disable(dspxor_ck);
Matthias Kaehlcked41d2192008-06-09 16:24:08 -0700245 mutex_unlock(&audio_pwr_lock);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100246}
247
David Howells6d5aefb2006-12-05 19:36:26 +0000248static DECLARE_DELAYED_WORK(codec_power_down_work, codec_delayed_power_down);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100249
250static void nokia770_audio_pwr_down(void)
251{
252 /* Turn off amplifier */
David Brownell0b84b5c2008-12-10 17:35:25 -0800253 gpio_set_value(AMPLIFIER_CTRL_GPIO, 0);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100254
255 /* Turn off codec: schedule delayed work */
256 schedule_delayed_work(&codec_power_down_work, HZ / 20); /* 50ms */
257}
258
Tony Lindgrena5246262006-12-07 13:58:17 -0800259static int
260nokia770_audio_pwr_up_request(struct dsp_kfunc_device *kdev, int stage)
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100261{
Matthias Kaehlcked41d2192008-06-09 16:24:08 -0700262 mutex_lock(&audio_pwr_lock);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100263 if (audio_pwr_state == -1)
264 nokia770_audio_pwr_up();
265 /* force audio_pwr_state = 0, even if it was 1. */
266 audio_pwr_state = 0;
Matthias Kaehlcked41d2192008-06-09 16:24:08 -0700267 mutex_unlock(&audio_pwr_lock);
Tony Lindgrena5246262006-12-07 13:58:17 -0800268 return 0;
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100269}
270
Tony Lindgrena5246262006-12-07 13:58:17 -0800271static int
272nokia770_audio_pwr_down_request(struct dsp_kfunc_device *kdev, int stage)
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100273{
Matthias Kaehlcked41d2192008-06-09 16:24:08 -0700274 mutex_lock(&audio_pwr_lock);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100275 switch (stage) {
276 case 1:
277 if (audio_pwr_state == 0)
278 audio_pwr_state = 1;
279 break;
280 case 2:
281 if (audio_pwr_state == 1) {
282 nokia770_audio_pwr_down();
283 audio_pwr_state = -1;
284 }
285 break;
286 }
Matthias Kaehlcked41d2192008-06-09 16:24:08 -0700287 mutex_unlock(&audio_pwr_lock);
Tony Lindgrena5246262006-12-07 13:58:17 -0800288 return 0;
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100289}
290
Tony Lindgrena5246262006-12-07 13:58:17 -0800291static struct dsp_kfunc_device nokia770_audio_device = {
292 .name = "audio",
293 .type = DSP_KFUNC_DEV_TYPE_AUDIO,
294 .enable = nokia770_audio_pwr_up_request,
295 .disable = nokia770_audio_pwr_down_request,
296};
297
298static __init int omap_dsp_init(void)
299{
300 int ret;
301
302 dspxor_ck = clk_get(0, "dspxor_ck");
303 if (IS_ERR(dspxor_ck)) {
304 printk(KERN_ERR "couldn't acquire dspxor_ck\n");
305 return PTR_ERR(dspxor_ck);
306 }
307
308 ret = dsp_kfunc_device_register(&nokia770_audio_device);
309 if (ret) {
310 printk(KERN_ERR
311 "KFUNC device registration faild: %s\n",
312 nokia770_audio_device.name);
313 goto out;
314 }
315 return 0;
316 out:
317 return ret;
318}
Daniel Walkerf6f2a5d2008-01-18 17:55:08 -0800319#else
320#define omap_dsp_init() do {} while (0)
Tony Lindgrena5246262006-12-07 13:58:17 -0800321#endif /* CONFIG_OMAP_DSP */
322
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100323static void __init omap_nokia770_init(void)
324{
325 nokia770_config[0].data = &nokia770_usb_config;
326
327 platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
328 spi_register_board_info(nokia770_spi_board_info,
329 ARRAY_SIZE(nokia770_spi_board_info));
330 omap_board_config = nokia770_config;
331 omap_board_config_size = ARRAY_SIZE(nokia770_config);
Imre Deak06767fb2007-03-06 18:20:00 +0200332 omap_gpio_init();
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100333 omap_serial_init();
Jarkko Nikula1ed16a82007-11-07 06:54:32 +0200334 omap_register_i2c_bus(1, 100, NULL, 0);
Tony Lindgrena5246262006-12-07 13:58:17 -0800335 omap_dsp_init();
Imre Deak06767fb2007-03-06 18:20:00 +0200336 ads7846_dev_init();
337 mipid_dev_init();
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100338}
339
340static void __init omap_nokia770_map_io(void)
341{
342 omap1_map_common_io();
343}
344
345MACHINE_START(NOKIA770, "Nokia 770")
346 .phys_io = 0xfff00000,
347 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
348 .boot_params = 0x10000100,
349 .map_io = omap_nokia770_map_io,
350 .init_irq = omap_nokia770_init_irq,
351 .init_machine = omap_nokia770_init,
352 .timer = &omap_timer,
353MACHINE_END