[deliverable/linux.git] / arch / arm / mach-omap1 / board-nokia770.c

/*
 * linux/arch/arm/mach-omap1/board-nokia770.c
 *
 * Modified from board-generic.c
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/clk.h>

#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>

#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <asm/arch/gpio.h>
#include <asm/arch/mux.h>
#include <asm/arch/usb.h>
#include <asm/arch/board.h>
#include <asm/arch/keypad.h>
#include <asm/arch/common.h>
#include <asm/arch/dsp_common.h>
#include <asm/arch/aic23.h>
#include <asm/arch/gpio.h>

static void __init omap_nokia770_init_irq(void)
{
	/* On Nokia 770, the SleepX signal is masked with an
	 * MPUIO line by default.  It has to be unmasked for it
	 * to become functional */

	/* SleepX mask direction */
	omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
	/* Unmask SleepX signal */
	omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);

	omap1_init_common_hw();
	omap_init_irq();
}

static int nokia770_keymap[] = {
	KEY(0, 1, GROUP_0 | KEY_UP),
	KEY(0, 2, GROUP_1 | KEY_F5),
	KEY(1, 0, GROUP_0 | KEY_LEFT),
	KEY(1, 1, GROUP_0 | KEY_ENTER),
	KEY(1, 2, GROUP_0 | KEY_RIGHT),
	KEY(2, 0, GROUP_1 | KEY_ESC),
	KEY(2, 1, GROUP_0 | KEY_DOWN),
	KEY(2, 2, GROUP_1 | KEY_F4),
	KEY(3, 0, GROUP_2 | KEY_F7),
	KEY(3, 1, GROUP_2 | KEY_F8),
	KEY(3, 2, GROUP_2 | KEY_F6),
	0
};

static struct resource nokia770_kp_resources[] = {
	[0] = {
		.start	= INT_KEYBOARD,
		.end	= INT_KEYBOARD,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct omap_kp_platform_data nokia770_kp_data = {
	.rows		= 8,
	.cols		= 8,
	.keymap		= nokia770_keymap,
	.keymapsize	= ARRAY_SIZE(nokia770_keymap),
	.delay		= 4,
};

static struct platform_device nokia770_kp_device = {
	.name		= "omap-keypad",
	.id		= -1,
	.dev		= {
		.platform_data = &nokia770_kp_data,
	},
	.num_resources	= ARRAY_SIZE(nokia770_kp_resources),
	.resource	= nokia770_kp_resources,
};

static struct platform_device *nokia770_devices[] __initdata = {
        &nokia770_kp_device,
};

static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
	.x_max		= 0x0fff,
	.y_max		= 0x0fff,
	.x_plate_ohms	= 180,
	.pressure_max	= 255,
	.debounce_max	= 10,
	.debounce_tol	= 3,
};

static struct spi_board_info nokia770_spi_board_info[] __initdata = {
	[0] = {
		.modalias		= "lcd_mipid",
		.bus_num        = 2,
		.chip_select    = 3,
		.max_speed_hz   = 12000000,
	},
	[1] = {
		.modalias       = "ads7846",
		.bus_num        = 2,
		.chip_select    = 0,
		.max_speed_hz   = 2500000,
		.irq		= OMAP_GPIO_IRQ(15),
		.platform_data	= &nokia770_ads7846_platform_data,
	},
};


/* assume no Mini-AB port */

static struct omap_usb_config nokia770_usb_config __initdata = {
	.otg		= 1,
	.register_host	= 1,
	.register_dev	= 1,
	.hmc_mode	= 16,
	.pins[0]	= 6,
};

static struct omap_mmc_config nokia770_mmc_config __initdata = {
	.mmc[0] = {
		.enabled	= 0,
		.wire4		= 0,
		.wp_pin		= -1,
		.power_pin	= -1,
		.switch_pin	= -1,
	},
	.mmc[1] = {
		.enabled	= 0,
		.wire4		= 0,
		.wp_pin		= -1,
		.power_pin	= -1,
		.switch_pin	= -1,
	},
};

static struct omap_board_config_kernel nokia770_config[] = {
	{ OMAP_TAG_USB,		NULL },
	{ OMAP_TAG_MMC,		&nokia770_mmc_config },
};

/*
 * audio power control
 */
#define	HEADPHONE_GPIO		14
#define	AMPLIFIER_CTRL_GPIO	58

static struct clk *dspxor_ck;
static DECLARE_MUTEX(audio_pwr_sem);
/*
 * audio_pwr_state
 * +--+-------------------------+---------------------------------------+
 * |-1|down			|power-up request -> 0			|
 * +--+-------------------------+---------------------------------------+
 * | 0|up			|power-down(1) request -> 1		|
 * |  |				|power-down(2) request -> (ignore)	|
 * +--+-------------------------+---------------------------------------+
 * | 1|up,			|power-up request -> 0			|
 * |  |received down(1) request	|power-down(2) request -> -1		|
 * +--+-------------------------+---------------------------------------+
 */
static int audio_pwr_state = -1;

/*
 * audio_pwr_up / down should be called under audio_pwr_sem
 */
static void nokia770_audio_pwr_up(void)
{
	clk_enable(dspxor_ck);

	/* Turn on codec */
	tlv320aic23_power_up();

	if (omap_get_gpio_datain(HEADPHONE_GPIO))
		/* HP not connected, turn on amplifier */
		omap_set_gpio_dataout(AMPLIFIER_CTRL_GPIO, 1);
	else
		/* HP connected, do not turn on amplifier */
		printk("HP connected\n");
}

static void codec_delayed_power_down(struct work_struct *work)
{
	down(&audio_pwr_sem);
	if (audio_pwr_state == -1)
		tlv320aic23_power_down();
	clk_disable(dspxor_ck);
	up(&audio_pwr_sem);
}

static DECLARE_DELAYED_WORK(codec_power_down_work, codec_delayed_power_down);

static void nokia770_audio_pwr_down(void)
{
	/* Turn off amplifier */
	omap_set_gpio_dataout(AMPLIFIER_CTRL_GPIO, 0);

	/* Turn off codec: schedule delayed work */
	schedule_delayed_work(&codec_power_down_work, HZ / 20);	/* 50ms */
}

void nokia770_audio_pwr_up_request(int stage)
{
	down(&audio_pwr_sem);
	if (audio_pwr_state == -1)
		nokia770_audio_pwr_up();
	/* force audio_pwr_state = 0, even if it was 1. */
	audio_pwr_state = 0;
	up(&audio_pwr_sem);
}

void nokia770_audio_pwr_down_request(int stage)
{
	down(&audio_pwr_sem);
	switch (stage) {
	case 1:
		if (audio_pwr_state == 0)
			audio_pwr_state = 1;
		break;
	case 2:
		if (audio_pwr_state == 1) {
			nokia770_audio_pwr_down();
			audio_pwr_state = -1;
		}
		break;
	}
	up(&audio_pwr_sem);
}

static void __init omap_nokia770_init(void)
{
	nokia770_config[0].data = &nokia770_usb_config;

	platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
	spi_register_board_info(nokia770_spi_board_info,
				ARRAY_SIZE(nokia770_spi_board_info));
	omap_board_config = nokia770_config;
	omap_board_config_size = ARRAY_SIZE(nokia770_config);
	omap_serial_init();
	omap_dsp_audio_pwr_up_request = nokia770_audio_pwr_up_request;
	omap_dsp_audio_pwr_down_request = nokia770_audio_pwr_down_request;
	dspxor_ck = clk_get(0, "dspxor_ck");
}

static void __init omap_nokia770_map_io(void)
{
	omap1_map_common_io();
}

MACHINE_START(NOKIA770, "Nokia 770")
	.phys_io	= 0xfff00000,
	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
	.boot_params	= 0x10000100,
	.map_io		= omap_nokia770_map_io,
	.init_irq	= omap_nokia770_init_irq,
	.init_machine	= omap_nokia770_init,
	.timer		= &omap_timer,
MACHINE_END
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>
	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>
	19
	20	#include <asm/hardware.h>
	21	#include <asm/mach-types.h>
	22	#include <asm/mach/arch.h>
	23	#include <asm/mach/map.h>
	24
	25	#include <asm/arch/gpio.h>
	26	#include <asm/arch/mux.h>
	27	#include <asm/arch/usb.h>
	28	#include <asm/arch/board.h>
	29	#include <asm/arch/keypad.h>
	30	#include <asm/arch/common.h>
	31	#include <asm/arch/dsp_common.h>
	32	#include <asm/arch/aic23.h>
	33	#include <asm/arch/gpio.h>
	34
	35	static void __init omap_nokia770_init_irq(void)
	36	{
	37	/* On Nokia 770, the SleepX signal is masked with an
	38	* MPUIO line by default. It has to be unmasked for it
	39	* to become functional */
	40
	41	/* SleepX mask direction */
	42	omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
	43	/* Unmask SleepX signal */
	44	omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
	45
	46	omap1_init_common_hw();
	47	omap_init_irq();
	48	}
	49
	50	static int nokia770_keymap[] = {
	51	KEY(0, 1, GROUP_0 \| KEY_UP),
	52	KEY(0, 2, GROUP_1 \| KEY_F5),
	53	KEY(1, 0, GROUP_0 \| KEY_LEFT),
	54	KEY(1, 1, GROUP_0 \| KEY_ENTER),
	55	KEY(1, 2, GROUP_0 \| KEY_RIGHT),
	56	KEY(2, 0, GROUP_1 \| KEY_ESC),
	57	KEY(2, 1, GROUP_0 \| KEY_DOWN),
	58	KEY(2, 2, GROUP_1 \| KEY_F4),
	59	KEY(3, 0, GROUP_2 \| KEY_F7),
	60	KEY(3, 1, GROUP_2 \| KEY_F8),
	61	KEY(3, 2, GROUP_2 \| KEY_F6),
	62	0
	63	};
	64
65	static struct resource nokia770_kp_resources[] = {
66	[0] = {
67	.start = INT_KEYBOARD,
68	.end = INT_KEYBOARD,
69	.flags = IORESOURCE_IRQ,
70	},
71	};
72
73	static struct omap_kp_platform_data nokia770_kp_data = {
4d24607b KS	74	.rows = 8,
	75	.cols = 8,
	76	.keymap = nokia770_keymap,
6d5aefb8	77	.keymapsize = ARRAY_SIZE(nokia770_keymap),
4d24607b	78	.delay = 4,
9b6553cd TL	79	};
	80
	81	static struct platform_device nokia770_kp_device = {
	82	.name = "omap-keypad",
	83	.id = -1,
	84	.dev = {
	85	.platform_data = &nokia770_kp_data,
	86	},
	87	.num_resources = ARRAY_SIZE(nokia770_kp_resources),
	88	.resource = nokia770_kp_resources,
	89	};
	90
	91	static struct platform_device *nokia770_devices[] __initdata = {
	92	&nokia770_kp_device,
	93	};
	94
	95	static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
	96	.x_max = 0x0fff,
	97	.y_max = 0x0fff,
	98	.x_plate_ohms = 180,
	99	.pressure_max = 255,
	100	.debounce_max = 10,
	101	.debounce_tol = 3,
	102	};
	103
	104	static struct spi_board_info nokia770_spi_board_info[] __initdata = {
	105	[0] = {
e016a40c	106	.modalias = "lcd_mipid",
9b6553cd TL	107	.bus_num = 2,
	108	.chip_select = 3,
	109	.max_speed_hz = 12000000,
	110	},
	111	[1] = {
	112	.modalias = "ads7846",
	113	.bus_num = 2,
	114	.chip_select = 0,
	115	.max_speed_hz = 2500000,
	116	.irq = OMAP_GPIO_IRQ(15),
	117	.platform_data = &nokia770_ads7846_platform_data,
	118	},
	119	};
	120
	121
	122	/* assume no Mini-AB port */
	123
	124	static struct omap_usb_config nokia770_usb_config __initdata = {
	125	.otg = 1,
	126	.register_host = 1,
	127	.register_dev = 1,
	128	.hmc_mode = 16,
	129	.pins[0] = 6,
	130	};
	131
	132	static struct omap_mmc_config nokia770_mmc_config __initdata = {
	133	.mmc[0] = {
	134	.enabled = 0,
	135	.wire4 = 0,
	136	.wp_pin = -1,
	137	.power_pin = -1,
	138	.switch_pin = -1,
	139	},
	140	.mmc[1] = {
	141	.enabled = 0,
	142	.wire4 = 0,
	143	.wp_pin = -1,
	144	.power_pin = -1,
	145	.switch_pin = -1,
	146	},
	147	};
	148
	149	static struct omap_board_config_kernel nokia770_config[] = {
	150	{ OMAP_TAG_USB, NULL },
	151	{ OMAP_TAG_MMC, &nokia770_mmc_config },
	152	};
	153
	154	/*
	155	* audio power control
	156	*/
	157	#define HEADPHONE_GPIO 14
	158	#define AMPLIFIER_CTRL_GPIO 58
	159
	160	static struct clk *dspxor_ck;
	161	static DECLARE_MUTEX(audio_pwr_sem);
	162	/*
	163	* audio_pwr_state
	164	* +--+-------------------------+---------------------------------------+
	165	* \|-1\|down \|power-up request -> 0 \|
	166	* +--+-------------------------+---------------------------------------+
	167	* \| 0\|up \|power-down(1) request -> 1 \|
	168	* \| \| \|power-down(2) request -> (ignore) \|
	169	* +--+-------------------------+---------------------------------------+
	170	* \| 1\|up, \|power-up request -> 0 \|
171	* \| \|received down(1) request \|power-down(2) request -> -1 \|
172	* +--+-------------------------+---------------------------------------+
173	*/
174	static int audio_pwr_state = -1;
175
176	/*
177	* audio_pwr_up / down should be called under audio_pwr_sem
178	*/
179	static void nokia770_audio_pwr_up(void)
180	{
181	clk_enable(dspxor_ck);
182
183	/* Turn on codec */
184	tlv320aic23_power_up();
185
186	if (omap_get_gpio_datain(HEADPHONE_GPIO))
187	/* HP not connected, turn on amplifier */
188	omap_set_gpio_dataout(AMPLIFIER_CTRL_GPIO, 1);
189	else
190	/* HP connected, do not turn on amplifier */
191	printk("HP connected\n");
192	}
193
6d5aefb8	194	static void codec_delayed_power_down(struct work_struct *work)
9b6553cd TL	195	{
	196	down(&audio_pwr_sem);
	197	if (audio_pwr_state == -1)
	198	tlv320aic23_power_down();
	199	clk_disable(dspxor_ck);
	200	up(&audio_pwr_sem);
	201	}
	202
6d5aefb8	203	static DECLARE_DELAYED_WORK(codec_power_down_work, codec_delayed_power_down);
9b6553cd TL	204
	205	static void nokia770_audio_pwr_down(void)
	206	{
	207	/* Turn off amplifier */
	208	omap_set_gpio_dataout(AMPLIFIER_CTRL_GPIO, 0);
	209
	210	/* Turn off codec: schedule delayed work */
	211	schedule_delayed_work(&codec_power_down_work, HZ / 20); /* 50ms */
	212	}
	213
	214	void nokia770_audio_pwr_up_request(int stage)
	215	{
	216	down(&audio_pwr_sem);
	217	if (audio_pwr_state == -1)
	218	nokia770_audio_pwr_up();
	219	/* force audio_pwr_state = 0, even if it was 1. */
	220	audio_pwr_state = 0;
	221	up(&audio_pwr_sem);
	222	}
	223
	224	void nokia770_audio_pwr_down_request(int stage)
	225	{
	226	down(&audio_pwr_sem);
	227	switch (stage) {
	228	case 1:
	229	if (audio_pwr_state == 0)
	230	audio_pwr_state = 1;
	231	break;
	232	case 2:
	233	if (audio_pwr_state == 1) {
	234	nokia770_audio_pwr_down();
	235	audio_pwr_state = -1;
	236	}
	237	break;
	238	}
	239	up(&audio_pwr_sem);
	240	}
	241
	242	static void __init omap_nokia770_init(void)
	243	{
	244	nokia770_config[0].data = &nokia770_usb_config;
	245
	246	platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
	247	spi_register_board_info(nokia770_spi_board_info,
	248	ARRAY_SIZE(nokia770_spi_board_info));
	249	omap_board_config = nokia770_config;
	250	omap_board_config_size = ARRAY_SIZE(nokia770_config);
	251	omap_serial_init();
	252	omap_dsp_audio_pwr_up_request = nokia770_audio_pwr_up_request;
	253	omap_dsp_audio_pwr_down_request = nokia770_audio_pwr_down_request;
	254	dspxor_ck = clk_get(0, "dspxor_ck");
	255	}
	256
	257	static void __init omap_nokia770_map_io(void)
	258	{
	259	omap1_map_common_io();
	260	}
	261
	262	MACHINE_START(NOKIA770, "Nokia 770")
	263	.phys_io = 0xfff00000,
	264	.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
	265	.boot_params = 0x10000100,
	266	.map_io = omap_nokia770_map_io,
	267	.init_irq = omap_nokia770_init_irq,
268	.init_machine = omap_nokia770_init,
269	.timer = &omap_timer,
270	MACHINE_END