[deliverable/linux.git] / arch / arm / mach-pxa / pcm990-baseboard.c

/*
 *  arch/arm/mach-pxa/pcm990-baseboard.c
 *  Support for the Phytec phyCORE-PXA270 Development Platform (PCM-990).
 *
 *  Refer
 *   http://www.phytec.com/products/rdk/ARM-XScale/phyCORE-XScale-PXA270.html
 *  for additional hardware info
 *
 *  Author:	Juergen Kilb
 *  Created:	April 05, 2005
 *  Copyright:	Phytec Messtechnik GmbH
 *  e-Mail:	armlinux@phytec.de
 *
 *  based on Intel Mainstone Board
 *
 *  Copyright 2007 Juergen Beisert @ Pengutronix (j.beisert@pengutronix.de)
 *
 *  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/gpio.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/i2c/pxa-i2c.h>
#include <linux/pwm_backlight.h>

#include <media/soc_camera.h>

#include <mach/camera.h>
#include <asm/mach/map.h>
#include <mach/pxa27x.h>
#include <mach/audio.h>
#include <mach/mmc.h>
#include <mach/ohci.h>
#include <mach/pcm990_baseboard.h>
#include <mach/pxafb.h>

#include "devices.h"
#include "generic.h"

static unsigned long pcm990_pin_config[] __initdata = {
	/* MMC */
	GPIO32_MMC_CLK,
	GPIO112_MMC_CMD,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,
	/* USB */
	GPIO88_USBH1_PWR,
	GPIO89_USBH1_PEN,
	/* PWM0 */
	GPIO16_PWM0_OUT,

	/* I2C */
	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,

	/* AC97 */
	GPIO28_AC97_BITCLK,
	GPIO29_AC97_SDATA_IN_0,
	GPIO30_AC97_SDATA_OUT,
	GPIO31_AC97_SYNC,
};

static void __iomem *pcm990_cpld_base;

static u8 pcm990_cpld_readb(unsigned int reg)
{
	return readb(pcm990_cpld_base + reg);
}

static void pcm990_cpld_writeb(u8 value, unsigned int reg)
{
	writeb(value, pcm990_cpld_base + reg);
}

/*
 * pcm990_lcd_power - control power supply to the LCD
 * @on: 0 = switch off, 1 = switch on
 *
 * Called by the pxafb driver
 */
#ifndef CONFIG_PCM990_DISPLAY_NONE
static void pcm990_lcd_power(int on, struct fb_var_screeninfo *var)
{
	if (on) {
		/* enable LCD-Latches
		 * power on LCD
		 */
		pcm990_cpld_writeb(PCM990_CTRL_LCDPWR + PCM990_CTRL_LCDON,
				PCM990_CTRL_REG3);
	} else {
		/* disable LCD-Latches
		 * power off LCD
		 */
		pcm990_cpld_writeb(0, PCM990_CTRL_REG3);
	}
}
#endif

#if defined(CONFIG_PCM990_DISPLAY_SHARP)
static struct pxafb_mode_info fb_info_sharp_lq084v1dg21 = {
	.pixclock		= 28000,
	.xres			= 640,
	.yres			= 480,
	.bpp			= 16,
	.hsync_len		= 20,
	.left_margin		= 103,
	.right_margin		= 47,
	.vsync_len		= 6,
	.upper_margin		= 28,
	.lower_margin		= 5,
	.sync			= 0,
	.cmap_greyscale		= 0,
};

static struct pxafb_mach_info pcm990_fbinfo __initdata = {
	.modes			= &fb_info_sharp_lq084v1dg21,
	.num_modes		= 1,
	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
	.pxafb_lcd_power	= pcm990_lcd_power,
};
#elif defined(CONFIG_PCM990_DISPLAY_NEC)
struct pxafb_mode_info fb_info_nec_nl6448bc20_18d = {
	.pixclock		= 39720,
	.xres			= 640,
	.yres			= 480,
	.bpp			= 16,
	.hsync_len		= 32,
	.left_margin		= 16,
	.right_margin		= 48,
	.vsync_len		= 2,
	.upper_margin		= 12,
	.lower_margin		= 17,
	.sync			= 0,
	.cmap_greyscale		= 0,
};

static struct pxafb_mach_info pcm990_fbinfo __initdata = {
	.modes			= &fb_info_nec_nl6448bc20_18d,
	.num_modes		= 1,
	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
	.pxafb_lcd_power	= pcm990_lcd_power,
};
#endif

static struct platform_pwm_backlight_data pcm990_backlight_data = {
	.pwm_id		= 0,
	.max_brightness	= 1023,
	.dft_brightness	= 1023,
	.pwm_period_ns	= 78770,
};

static struct platform_device pcm990_backlight_device = {
	.name		= "pwm-backlight",
	.dev		= {
		.parent = &pxa27x_device_pwm0.dev,
		.platform_data = &pcm990_backlight_data,
	},
};

/*
 * The PCM-990 development baseboard uses PCM-027's hardware in the
 * following way:
 *
 * - LCD support is in use
 *  - GPIO16 is output for back light on/off with PWM
 *  - GPIO58 ... GPIO73 are outputs for display data
 *  - GPIO74 is output output for LCDFCLK
 *  - GPIO75 is output for LCDLCLK
 *  - GPIO76 is output for LCDPCLK
 *  - GPIO77 is output for LCDBIAS
 * - MMC support is in use
 *  - GPIO32 is output for MMCCLK
 *  - GPIO92 is MMDAT0
 *  - GPIO109 is MMDAT1
 *  - GPIO110 is MMCS0
 *  - GPIO111 is MMCS1
 *  - GPIO112 is MMCMD
 * - IDE/CF card is in use
 *  - GPIO48 is output /POE
 *  - GPIO49 is output /PWE
 *  - GPIO50 is output /PIOR
 *  - GPIO51 is output /PIOW
 *  - GPIO54 is output /PCE2
 *  - GPIO55 is output /PREG
 *  - GPIO56 is input /PWAIT
 *  - GPIO57 is output /PIOS16
 *  - GPIO79 is output PSKTSEL
 *  - GPIO85 is output /PCE1
 * - FFUART is in use
 *  - GPIO34 is input FFRXD
 *  - GPIO35 is input FFCTS
 *  - GPIO36 is input FFDCD
 *  - GPIO37 is input FFDSR
 *  - GPIO38 is input FFRI
 *  - GPIO39 is output FFTXD
 *  - GPIO40 is output FFDTR
 *  - GPIO41 is output FFRTS
 * - BTUART is in use
 *  - GPIO42 is input BTRXD
 *  - GPIO43 is output BTTXD
 *  - GPIO44 is input BTCTS
 *  - GPIO45 is output BTRTS
 * - IRUART is in use
 *  - GPIO46 is input STDRXD
 *  - GPIO47 is output STDTXD
 * - AC97 is in use*)
 *  - GPIO28 is input AC97CLK
 *  - GPIO29 is input AC97DatIn
 *  - GPIO30 is output AC97DatO
 *  - GPIO31 is output AC97SYNC
 *  - GPIO113 is output AC97_RESET
 * - SSP is in use
 *  - GPIO23 is output SSPSCLK
 *  - GPIO24 is output chip select to Max7301
 *  - GPIO25 is output SSPTXD
 *  - GPIO26 is input SSPRXD
 *  - GPIO27 is input for Max7301 IRQ
 *  - GPIO53 is input SSPSYSCLK
 * - SSP3 is in use
 *  - GPIO81 is output SSPTXD3
 *  - GPIO82 is input SSPRXD3
 *  - GPIO83 is output SSPSFRM
 *  - GPIO84 is output SSPCLK3
 *
 * Otherwise claimed GPIOs:
 * GPIO1 -> IRQ from user switch
 * GPIO9 -> IRQ from power management
 * GPIO10 -> IRQ from WML9712 AC97 controller
 * GPIO11 -> IRQ from IDE controller
 * GPIO12 -> IRQ from CF controller
 * GPIO13 -> IRQ from CF controller
 * GPIO14 -> GPIO free
 * GPIO15 -> /CS1 selects baseboard's Control CPLD (U7, 16 bit wide data path)
 * GPIO19 -> GPIO free
 * GPIO20 -> /SDCS2
 * GPIO21 -> /CS3 PC card socket select
 * GPIO33 -> /CS5  network controller select
 * GPIO78 -> /CS2  (16 bit wide data path)
 * GPIO80 -> /CS4  (16 bit wide data path)
 * GPIO86 -> GPIO free
 * GPIO87 -> GPIO free
 * GPIO90 -> LED0 on CPU module
 * GPIO91 -> LED1 on CPI module
 * GPIO117 -> SCL
 * GPIO118 -> SDA
 */

static unsigned long pcm990_irq_enabled;

static void pcm990_mask_ack_irq(struct irq_data *d)
{
	int pcm990_irq = (d->irq - PCM027_IRQ(0));

	pcm990_irq_enabled &= ~(1 << pcm990_irq);

	pcm990_cpld_writeb(pcm990_irq_enabled, PCM990_CTRL_INTMSKENA);
}

static void pcm990_unmask_irq(struct irq_data *d)
{
	int pcm990_irq = (d->irq - PCM027_IRQ(0));
	u8 val;

	/* the irq can be acknowledged only if deasserted, so it's done here */

	pcm990_irq_enabled |= (1 << pcm990_irq);

	val = pcm990_cpld_readb(PCM990_CTRL_INTSETCLR);
	val |= 1 << pcm990_irq;
	pcm990_cpld_writeb(val, PCM990_CTRL_INTSETCLR);

	pcm990_cpld_writeb(pcm990_irq_enabled, PCM990_CTRL_INTMSKENA);
}

static struct irq_chip pcm990_irq_chip = {
	.irq_mask_ack	= pcm990_mask_ack_irq,
	.irq_unmask	= pcm990_unmask_irq,
};

static void pcm990_irq_handler(unsigned int irq, struct irq_desc *desc)
{
	unsigned long pending;

	pending = ~pcm990_cpld_readb(PCM990_CTRL_INTSETCLR);
	pending &= pcm990_irq_enabled;

	do {
		/* clear our parent IRQ */
		desc->irq_data.chip->irq_ack(&desc->irq_data);
		if (likely(pending)) {
			irq = PCM027_IRQ(0) + __ffs(pending);
			generic_handle_irq(irq);
		}
		pending = ~pcm990_cpld_readb(PCM990_CTRL_INTSETCLR);
		pending &= pcm990_irq_enabled;
	} while (pending);
}

static void __init pcm990_init_irq(void)
{
	int irq;

	/* setup extra PCM990 irqs */
	for (irq = PCM027_IRQ(0); irq <= PCM027_IRQ(3); irq++) {
		irq_set_chip_and_handler(irq, &pcm990_irq_chip,
					 handle_level_irq);
		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
	}

	/* disable all Interrupts */
	pcm990_cpld_writeb(0x0, PCM990_CTRL_INTMSKENA);
	pcm990_cpld_writeb(0xff, PCM990_CTRL_INTSETCLR);

	irq_set_chained_handler(PCM990_CTRL_INT_IRQ, pcm990_irq_handler);
	irq_set_irq_type(PCM990_CTRL_INT_IRQ, PCM990_CTRL_INT_IRQ_EDGE);
}

static int pcm990_mci_init(struct device *dev, irq_handler_t mci_detect_int,
			void *data)
{
	int err;

	err = request_irq(PCM027_MMCDET_IRQ, mci_detect_int, IRQF_DISABLED,
			     "MMC card detect", data);
	if (err)
		printk(KERN_ERR "pcm990_mci_init: MMC/SD: can't request MMC "
				"card detect IRQ\n");

	return err;
}

static void pcm990_mci_setpower(struct device *dev, unsigned int vdd)
{
	struct pxamci_platform_data *p_d = dev->platform_data;
	u8 val;

	val = pcm990_cpld_readb(PCM990_CTRL_REG5);

	if ((1 << vdd) & p_d->ocr_mask)
		val |= PCM990_CTRL_MMC2PWR;
	else
		val &= ~PCM990_CTRL_MMC2PWR;

	pcm990_cpld_writeb(PCM990_CTRL_MMC2PWR, PCM990_CTRL_REG5);
}

static void pcm990_mci_exit(struct device *dev, void *data)
{
	free_irq(PCM027_MMCDET_IRQ, data);
}

#define MSECS_PER_JIFFY (1000/HZ)

static struct pxamci_platform_data pcm990_mci_platform_data = {
	.detect_delay_ms	= 250,
	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
	.init 			= pcm990_mci_init,
	.setpower 		= pcm990_mci_setpower,
	.exit			= pcm990_mci_exit,
	.gpio_card_detect	= -1,
	.gpio_card_ro		= -1,
	.gpio_power		= -1,
};

static struct pxaohci_platform_data pcm990_ohci_platform_data = {
	.port_mode	= PMM_PERPORT_MODE,
	.flags		= ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
	.power_on_delay	= 10,
};

/*
 * PXA27x Camera specific stuff
 */
#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
static unsigned long pcm990_camera_pin_config[] = {
	/* CIF */
	GPIO98_CIF_DD_0,
	GPIO105_CIF_DD_1,
	GPIO104_CIF_DD_2,
	GPIO103_CIF_DD_3,
	GPIO95_CIF_DD_4,
	GPIO94_CIF_DD_5,
	GPIO93_CIF_DD_6,
	GPIO108_CIF_DD_7,
	GPIO107_CIF_DD_8,
	GPIO106_CIF_DD_9,
	GPIO42_CIF_MCLK,
	GPIO45_CIF_PCLK,
	GPIO43_CIF_FV,
	GPIO44_CIF_LV,
};

/*
 * CICR4: PCLK_EN:	Pixel clock is supplied by the sensor
 *	MCLK_EN:	Master clock is generated by PXA
 *	PCP:		Data sampled on the falling edge of pixel clock
 */
struct pxacamera_platform_data pcm990_pxacamera_platform_data = {
	.flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | PXA_CAMERA_DATAWIDTH_10 |
		PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN/* | PXA_CAMERA_PCP*/,
	.mclk_10khz = 1000,
};

#include <linux/i2c/pca953x.h>

static struct pca953x_platform_data pca9536_data = {
	.gpio_base	= PXA_NR_BUILTIN_GPIO,
};

static int gpio_bus_switch = -EINVAL;

static int pcm990_camera_set_bus_param(struct soc_camera_link *link,
				       unsigned long flags)
{
	if (gpio_bus_switch < 0) {
		if (flags == SOCAM_DATAWIDTH_10)
			return 0;
		else
			return -EINVAL;
	}

	if (flags & SOCAM_DATAWIDTH_8)
		gpio_set_value_cansleep(gpio_bus_switch, 1);
	else
		gpio_set_value_cansleep(gpio_bus_switch, 0);

	return 0;
}

static unsigned long pcm990_camera_query_bus_param(struct soc_camera_link *link)
{
	int ret;

	if (gpio_bus_switch < 0) {
		ret = gpio_request(PXA_NR_BUILTIN_GPIO, "camera");
		if (!ret) {
			gpio_bus_switch = PXA_NR_BUILTIN_GPIO;
			gpio_direction_output(gpio_bus_switch, 0);
		}
	}

	if (gpio_bus_switch >= 0)
		return SOCAM_DATAWIDTH_8 | SOCAM_DATAWIDTH_10;
	else
		return SOCAM_DATAWIDTH_10;
}

static void pcm990_camera_free_bus(struct soc_camera_link *link)
{
	if (gpio_bus_switch < 0)
		return;

	gpio_free(gpio_bus_switch);
	gpio_bus_switch = -EINVAL;
}

/* Board I2C devices. */
static struct i2c_board_info __initdata pcm990_i2c_devices[] = {
	{
		/* Must initialize before the camera(s) */
		I2C_BOARD_INFO("pca9536", 0x41),
		.platform_data = &pca9536_data,
	},
};

static struct i2c_board_info pcm990_camera_i2c[] = {
	{
		I2C_BOARD_INFO("mt9v022", 0x48),
	}, {
		I2C_BOARD_INFO("mt9m001", 0x5d),
	},
};

static struct soc_camera_link iclink[] = {
	{
		.bus_id			= 0, /* Must match with the camera ID */
		.board_info		= &pcm990_camera_i2c[0],
		.i2c_adapter_id		= 0,
		.query_bus_param	= pcm990_camera_query_bus_param,
		.set_bus_param		= pcm990_camera_set_bus_param,
		.free_bus		= pcm990_camera_free_bus,
	}, {
		.bus_id			= 0, /* Must match with the camera ID */
		.board_info		= &pcm990_camera_i2c[1],
		.i2c_adapter_id		= 0,
		.query_bus_param	= pcm990_camera_query_bus_param,
		.set_bus_param		= pcm990_camera_set_bus_param,
		.free_bus		= pcm990_camera_free_bus,
	},
};

static struct platform_device pcm990_camera[] = {
	{
		.name	= "soc-camera-pdrv",
		.id	= 0,
		.dev	= {
			.platform_data = &iclink[0],
		},
	}, {
		.name	= "soc-camera-pdrv",
		.id	= 1,
		.dev	= {
			.platform_data = &iclink[1],
		},
	},
};
#endif /* CONFIG_VIDEO_PXA27x ||CONFIG_VIDEO_PXA27x_MODULE */

/*
 * system init for baseboard usage. Will be called by pcm027 init.
 *
 * Add platform devices present on this baseboard and init
 * them from CPU side as far as required to use them later on
 */
void __init pcm990_baseboard_init(void)
{
	pxa2xx_mfp_config(ARRAY_AND_SIZE(pcm990_pin_config));

	pcm990_cpld_base = ioremap(PCM990_CTRL_PHYS, PCM990_CTRL_SIZE);
	if (!pcm990_cpld_base) {
		pr_err("pcm990: failed to ioremap cpld\n");
		return;
	}

	/* register CPLD's IRQ controller */
	pcm990_init_irq();

#ifndef CONFIG_PCM990_DISPLAY_NONE
	pxa_set_fb_info(NULL, &pcm990_fbinfo);
#endif
	platform_device_register(&pcm990_backlight_device);

	/* MMC */
	pxa_set_mci_info(&pcm990_mci_platform_data);

	/* USB host */
	pxa_set_ohci_info(&pcm990_ohci_platform_data);

	pxa_set_i2c_info(NULL);
	pxa_set_ac97_info(NULL);

#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
	pxa2xx_mfp_config(ARRAY_AND_SIZE(pcm990_camera_pin_config));
	pxa_set_camera_info(&pcm990_pxacamera_platform_data);

	i2c_register_board_info(0, ARRAY_AND_SIZE(pcm990_i2c_devices));

	platform_device_register(&pcm990_camera[0]);
	platform_device_register(&pcm990_camera[1]);
#endif

	printk(KERN_INFO "PCM-990 Evaluation baseboard initialized\n");
}
Commit	Line	Data
2e927b76 RS	1	/*
	2	* arch/arm/mach-pxa/pcm990-baseboard.c
	3	* Support for the Phytec phyCORE-PXA270 Development Platform (PCM-990).
	4	*
	5	* Refer
	6	* http://www.phytec.com/products/rdk/ARM-XScale/phyCORE-XScale-PXA270.html
	7	* for additional hardware info
	8	*
	9	* Author: Juergen Kilb
	10	* Created: April 05, 2005
	11	* Copyright: Phytec Messtechnik GmbH
	12	* e-Mail: armlinux@phytec.de
	13	*
	14	* based on Intel Mainstone Board
	15	*
	16	* Copyright 2007 Juergen Beisert @ Pengutronix (j.beisert@pengutronix.de)
	17	*
	18	* This program is free software; you can redistribute it and/or modify
	19	* it under the terms of the GNU General Public License version 2 as
	20	* published by the Free Software Foundation.
	21	*/
2f8163ba	22	#include <linux/gpio.h>
2e927b76 RS	23	#include <linux/irq.h>
2e927b76 RS	24	#include <linux/platform_device.h>
58762e77	25	#include <linux/i2c.h>
b459396e	26	#include <linux/i2c/pxa-i2c.h>
c0f7edb3	27	#include <linux/pwm_backlight.h>
58762e77 GL	28
	29	#include <media/soc_camera.h>
	30
a09e64fb	31	#include <mach/camera.h>
2e927b76	32	#include <asm/mach/map.h>
51c62982	33	#include <mach/pxa27x.h>
a09e64fb RK	34	#include <mach/audio.h>
	35	#include <mach/mmc.h>
	36	#include <mach/ohci.h>
	37	#include <mach/pcm990_baseboard.h>
	38	#include <mach/pxafb.h>
c0f7edb3 GL	39
c0f7edb3 GL	40	#include "devices.h"
6a566fbb GL	41	#include "generic.h"
	42
	43	static unsigned long pcm990_pin_config[] __initdata = {
	44	/* MMC */
	45	GPIO32_MMC_CLK,
	46	GPIO112_MMC_CMD,
	47	GPIO92_MMC_DAT_0,
	48	GPIO109_MMC_DAT_1,
	49	GPIO110_MMC_DAT_2,
	50	GPIO111_MMC_DAT_3,
	51	/* USB */
	52	GPIO88_USBH1_PWR,
	53	GPIO89_USBH1_PEN,
	54	/* PWM0 */
	55	GPIO16_PWM0_OUT,
6f584cfa EM	56
	57	/* I2C */
	58	GPIO117_I2C_SCL,
	59	GPIO118_I2C_SDA,
c11b6a42 EM	60
	61	/* AC97 */
	62	GPIO28_AC97_BITCLK,
	63	GPIO29_AC97_SDATA_IN_0,
	64	GPIO30_AC97_SDATA_OUT,
	65	GPIO31_AC97_SYNC,
6a566fbb	66	};
c0f7edb3	67
b298322b SH	68	static void __iomem *pcm990_cpld_base;
	69
	70	static u8 pcm990_cpld_readb(unsigned int reg)
	71	{
	72	return readb(pcm990_cpld_base + reg);
	73	}
	74
	75	static void pcm990_cpld_writeb(u8 value, unsigned int reg)
	76	{
	77	writeb(value, pcm990_cpld_base + reg);
	78	}
	79
c0f7edb3 GL	80	/*
	81	* pcm990_lcd_power - control power supply to the LCD
	82	* @on: 0 = switch off, 1 = switch on
	83	*
	84	* Called by the pxafb driver
	85	*/
	86	#ifndef CONFIG_PCM990_DISPLAY_NONE
	87	static void pcm990_lcd_power(int on, struct fb_var_screeninfo *var)
	88	{
	89	if (on) {
	90	/* enable LCD-Latches
	91	* power on LCD
	92	*/
b298322b SH	93	pcm990_cpld_writeb(PCM990_CTRL_LCDPWR + PCM990_CTRL_LCDON,
b298322b SH	94	PCM990_CTRL_REG3);
c0f7edb3 GL	95	} else {
	96	/* disable LCD-Latches
	97	* power off LCD
	98	*/
b298322b	99	pcm990_cpld_writeb(0, PCM990_CTRL_REG3);
c0f7edb3 GL	100	}
	101	}
	102	#endif
	103
	104	#if defined(CONFIG_PCM990_DISPLAY_SHARP)
	105	static struct pxafb_mode_info fb_info_sharp_lq084v1dg21 = {
	106	.pixclock = 28000,
	107	.xres = 640,
	108	.yres = 480,
	109	.bpp = 16,
	110	.hsync_len = 20,
	111	.left_margin = 103,
	112	.right_margin = 47,
	113	.vsync_len = 6,
	114	.upper_margin = 28,
	115	.lower_margin = 5,
	116	.sync = 0,
	117	.cmap_greyscale = 0,
	118	};
	119
	120	static struct pxafb_mach_info pcm990_fbinfo __initdata = {
	121	.modes = &fb_info_sharp_lq084v1dg21,
	122	.num_modes = 1,
9587319b	123	.lcd_conn = LCD_COLOR_TFT_16BPP \| LCD_PCLK_EDGE_FALL,
c0f7edb3 GL	124	.pxafb_lcd_power = pcm990_lcd_power,
	125	};
	126	#elif defined(CONFIG_PCM990_DISPLAY_NEC)
	127	struct pxafb_mode_info fb_info_nec_nl6448bc20_18d = {
	128	.pixclock = 39720,
	129	.xres = 640,
	130	.yres = 480,
	131	.bpp = 16,
	132	.hsync_len = 32,
	133	.left_margin = 16,
	134	.right_margin = 48,
	135	.vsync_len = 2,
	136	.upper_margin = 12,
	137	.lower_margin = 17,
	138	.sync = 0,
	139	.cmap_greyscale = 0,
	140	};
	141
	142	static struct pxafb_mach_info pcm990_fbinfo __initdata = {
	143	.modes = &fb_info_nec_nl6448bc20_18d,
	144	.num_modes = 1,
9587319b	145	.lcd_conn = LCD_COLOR_TFT_16BPP \| LCD_PCLK_EDGE_FALL,
c0f7edb3 GL	146	.pxafb_lcd_power = pcm990_lcd_power,
	147	};
	148	#endif
	149
	150	static struct platform_pwm_backlight_data pcm990_backlight_data = {
	151	.pwm_id = 0,
	152	.max_brightness = 1023,
	153	.dft_brightness = 1023,
	154	.pwm_period_ns = 78770,
	155	};
	156
	157	static struct platform_device pcm990_backlight_device = {
	158	.name = "pwm-backlight",
	159	.dev = {
	160	.parent = &pxa27x_device_pwm0.dev,
	161	.platform_data = &pcm990_backlight_data,
	162	},
	163	};
2e927b76 RS	164
2e927b76 RS	165	/*
c0f7edb3	166	* The PCM-990 development baseboard uses PCM-027's hardware in the
2e927b76 RS	167	* following way:
	168	*
	169	* - LCD support is in use
	170	* - GPIO16 is output for back light on/off with PWM
	171	* - GPIO58 ... GPIO73 are outputs for display data
	172	* - GPIO74 is output output for LCDFCLK
	173	* - GPIO75 is output for LCDLCLK
	174	* - GPIO76 is output for LCDPCLK
	175	* - GPIO77 is output for LCDBIAS
	176	* - MMC support is in use
	177	* - GPIO32 is output for MMCCLK
	178	* - GPIO92 is MMDAT0
	179	* - GPIO109 is MMDAT1
	180	* - GPIO110 is MMCS0
	181	* - GPIO111 is MMCS1
	182	* - GPIO112 is MMCMD
	183	* - IDE/CF card is in use
	184	* - GPIO48 is output /POE
	185	* - GPIO49 is output /PWE
	186	* - GPIO50 is output /PIOR
	187	* - GPIO51 is output /PIOW
	188	* - GPIO54 is output /PCE2
	189	* - GPIO55 is output /PREG
	190	* - GPIO56 is input /PWAIT
	191	* - GPIO57 is output /PIOS16
	192	* - GPIO79 is output PSKTSEL
	193	* - GPIO85 is output /PCE1
	194	* - FFUART is in use
	195	* - GPIO34 is input FFRXD
	196	* - GPIO35 is input FFCTS
	197	* - GPIO36 is input FFDCD
	198	* - GPIO37 is input FFDSR
	199	* - GPIO38 is input FFRI
	200	* - GPIO39 is output FFTXD
	201	* - GPIO40 is output FFDTR
	202	* - GPIO41 is output FFRTS
	203	* - BTUART is in use
	204	* - GPIO42 is input BTRXD
	205	* - GPIO43 is output BTTXD
	206	* - GPIO44 is input BTCTS
	207	* - GPIO45 is output BTRTS
	208	* - IRUART is in use
	209	* - GPIO46 is input STDRXD
	210	* - GPIO47 is output STDTXD
	211	* - AC97 is in use*)
	212	* - GPIO28 is input AC97CLK
	213	* - GPIO29 is input AC97DatIn
	214	* - GPIO30 is output AC97DatO
	215	* - GPIO31 is output AC97SYNC
	216	* - GPIO113 is output AC97_RESET
	217	* - SSP is in use
	218	* - GPIO23 is output SSPSCLK
	219	* - GPIO24 is output chip select to Max7301
	220	* - GPIO25 is output SSPTXD
	221	* - GPIO26 is input SSPRXD
	222	* - GPIO27 is input for Max7301 IRQ
	223	* - GPIO53 is input SSPSYSCLK
	224	* - SSP3 is in use
	225	* - GPIO81 is output SSPTXD3
	226	* - GPIO82 is input SSPRXD3
	227	* - GPIO83 is output SSPSFRM
	228	* - GPIO84 is output SSPCLK3
	229	*
	230	* Otherwise claimed GPIOs:
231	* GPIO1 -> IRQ from user switch
232	* GPIO9 -> IRQ from power management
233	* GPIO10 -> IRQ from WML9712 AC97 controller
234	* GPIO11 -> IRQ from IDE controller
235	* GPIO12 -> IRQ from CF controller
236	* GPIO13 -> IRQ from CF controller
237	* GPIO14 -> GPIO free
238	* GPIO15 -> /CS1 selects baseboard's Control CPLD (U7, 16 bit wide data path)
239	* GPIO19 -> GPIO free
240	* GPIO20 -> /SDCS2
241	* GPIO21 -> /CS3 PC card socket select
242	* GPIO33 -> /CS5 network controller select
243	* GPIO78 -> /CS2 (16 bit wide data path)
244	* GPIO80 -> /CS4 (16 bit wide data path)
245	* GPIO86 -> GPIO free
246	* GPIO87 -> GPIO free
247	* GPIO90 -> LED0 on CPU module
248	* GPIO91 -> LED1 on CPI module
249	* GPIO117 -> SCL
250	* GPIO118 -> SDA
251	*/
252
253	static unsigned long pcm990_irq_enabled;
254
a3f4c927	255	static void pcm990_mask_ack_irq(struct irq_data *d)
2e927b76	256	{
a3f4c927	257	int pcm990_irq = (d->irq - PCM027_IRQ(0));
b298322b SH	258
	259	pcm990_irq_enabled &= ~(1 << pcm990_irq);
	260
	261	pcm990_cpld_writeb(pcm990_irq_enabled, PCM990_CTRL_INTMSKENA);
2e927b76 RS	262	}
2e927b76 RS	263
a3f4c927	264	static void pcm990_unmask_irq(struct irq_data *d)
2e927b76	265	{
a3f4c927	266	int pcm990_irq = (d->irq - PCM027_IRQ(0));
b298322b SH	267	u8 val;
b298322b SH	268
2e927b76	269	/* the irq can be acknowledged only if deasserted, so it's done here */
b298322b SH	270
	271	pcm990_irq_enabled \|= (1 << pcm990_irq);
	272
	273	val = pcm990_cpld_readb(PCM990_CTRL_INTSETCLR);
	274	val \|= 1 << pcm990_irq;
	275	pcm990_cpld_writeb(val, PCM990_CTRL_INTSETCLR);
	276
	277	pcm990_cpld_writeb(pcm990_irq_enabled, PCM990_CTRL_INTMSKENA);
2e927b76 RS	278	}
	279
	280	static struct irq_chip pcm990_irq_chip = {
a3f4c927 LB	281	.irq_mask_ack = pcm990_mask_ack_irq,
a3f4c927 LB	282	.irq_unmask = pcm990_unmask_irq,
2e927b76 RS	283	};
	284
	285	static void pcm990_irq_handler(unsigned int irq, struct irq_desc *desc)
	286	{
b298322b SH	287	unsigned long pending;
	288
	289	pending = ~pcm990_cpld_readb(PCM990_CTRL_INTSETCLR);
	290	pending &= pcm990_irq_enabled;
2e927b76 RS	291
2e927b76 RS	292	do {
a3f4c927 LB	293	/* clear our parent IRQ */
a3f4c927 LB	294	desc->irq_data.chip->irq_ack(&desc->irq_data);
2e927b76 RS	295	if (likely(pending)) {
2e927b76 RS	296	irq = PCM027_IRQ(0) + __ffs(pending);
d8aa0251	297	generic_handle_irq(irq);
2e927b76	298	}
b298322b SH	299	pending = ~pcm990_cpld_readb(PCM990_CTRL_INTSETCLR);
b298322b SH	300	pending &= pcm990_irq_enabled;
2e927b76 RS	301	} while (pending);
	302	}
	303
	304	static void __init pcm990_init_irq(void)
	305	{
	306	int irq;
	307
	308	/* setup extra PCM990 irqs */
	309	for (irq = PCM027_IRQ(0); irq <= PCM027_IRQ(3); irq++) {
f38c02f3 TG	310	irq_set_chip_and_handler(irq, &pcm990_irq_chip,
f38c02f3 TG	311	handle_level_irq);
2e927b76 RS	312	set_irq_flags(irq, IRQF_VALID \| IRQF_PROBE);
	313	}
	314
b298322b SH	315	/* disable all Interrupts */
	316	pcm990_cpld_writeb(0x0, PCM990_CTRL_INTMSKENA);
	317	pcm990_cpld_writeb(0xff, PCM990_CTRL_INTSETCLR);
2e927b76	318
6845664a TG	319	irq_set_chained_handler(PCM990_CTRL_INT_IRQ, pcm990_irq_handler);
6845664a TG	320	irq_set_irq_type(PCM990_CTRL_INT_IRQ, PCM990_CTRL_INT_IRQ_EDGE);
2e927b76 RS	321	}
	322
	323	static int pcm990_mci_init(struct device *dev, irq_handler_t mci_detect_int,
	324	void *data)
	325	{
	326	int err;
	327
2e927b76 RS	328	err = request_irq(PCM027_MMCDET_IRQ, mci_detect_int, IRQF_DISABLED,
	329	"MMC card detect", data);
	330	if (err)
	331	printk(KERN_ERR "pcm990_mci_init: MMC/SD: can't request MMC "
	332	"card detect IRQ\n");
	333
	334	return err;
	335	}
	336
	337	static void pcm990_mci_setpower(struct device *dev, unsigned int vdd)
	338	{
	339	struct pxamci_platform_data *p_d = dev->platform_data;
b298322b SH	340	u8 val;
	341
	342	val = pcm990_cpld_readb(PCM990_CTRL_REG5);
2e927b76 RS	343
2e927b76 RS	344	if ((1 << vdd) & p_d->ocr_mask)
b298322b	345	val \|= PCM990_CTRL_MMC2PWR;
2e927b76	346	else
b298322b SH	347	val &= ~PCM990_CTRL_MMC2PWR;
	348
	349	pcm990_cpld_writeb(PCM990_CTRL_MMC2PWR, PCM990_CTRL_REG5);
2e927b76 RS	350	}
	351
	352	static void pcm990_mci_exit(struct device dev, void data)
	353	{
	354	free_irq(PCM027_MMCDET_IRQ, data);
	355	}
	356
	357	#define MSECS_PER_JIFFY (1000/HZ)
	358
	359	static struct pxamci_platform_data pcm990_mci_platform_data = {
f97cab28	360	.detect_delay_ms = 250,
7a648256 RJ	361	.ocr_mask = MMC_VDD_32_33 \| MMC_VDD_33_34,
	362	.init = pcm990_mci_init,
	363	.setpower = pcm990_mci_setpower,
	364	.exit = pcm990_mci_exit,
	365	.gpio_card_detect = -1,
	366	.gpio_card_ro = -1,
	367	.gpio_power = -1,
2e927b76 RS	368	};
2e927b76 RS	369
2e927b76 RS	370	static struct pxaohci_platform_data pcm990_ohci_platform_data = {
2e927b76 RS	371	.port_mode = PMM_PERPORT_MODE,
097b5334 EM	372	.flags = ENABLE_PORT1 \| POWER_CONTROL_LOW \| POWER_SENSE_LOW,
097b5334 EM	373	.power_on_delay = 10,
2e927b76 RS	374	};
2e927b76 RS	375
58762e77 GL	376	/*
	377	* PXA27x Camera specific stuff
	378	*/
	379	#if defined(CONFIG_VIDEO_PXA27x) \|\| defined(CONFIG_VIDEO_PXA27x_MODULE)
6a566fbb GL	380	static unsigned long pcm990_camera_pin_config[] = {
	381	/* CIF */
	382	GPIO98_CIF_DD_0,
	383	GPIO105_CIF_DD_1,
	384	GPIO104_CIF_DD_2,
	385	GPIO103_CIF_DD_3,
	386	GPIO95_CIF_DD_4,
	387	GPIO94_CIF_DD_5,
	388	GPIO93_CIF_DD_6,
	389	GPIO108_CIF_DD_7,
	390	GPIO107_CIF_DD_8,
	391	GPIO106_CIF_DD_9,
	392	GPIO42_CIF_MCLK,
	393	GPIO45_CIF_PCLK,
	394	GPIO43_CIF_FV,
	395	GPIO44_CIF_LV,
	396	};
	397
58762e77 GL	398	/*
	399	* CICR4: PCLK_EN: Pixel clock is supplied by the sensor
	400	* MCLK_EN: Master clock is generated by PXA
	401	* PCP: Data sampled on the falling edge of pixel clock
	402	*/
	403	struct pxacamera_platform_data pcm990_pxacamera_platform_data = {
58762e77 GL	404	.flags = PXA_CAMERA_MASTER \| PXA_CAMERA_DATAWIDTH_8 \| PXA_CAMERA_DATAWIDTH_10 \|
	405	PXA_CAMERA_PCLK_EN \| PXA_CAMERA_MCLK_EN/* \| PXA_CAMERA_PCP*/,
	406	.mclk_10khz = 1000,
	407	};
	408
	409	#include <linux/i2c/pca953x.h>
	410
	411	static struct pca953x_platform_data pca9536_data = {
1a8d5fab	412	.gpio_base = PXA_NR_BUILTIN_GPIO,
58762e77 GL	413	};
58762e77 GL	414
594bb46d	415	static int gpio_bus_switch = -EINVAL;
d75b1dcc SH	416
d75b1dcc SH	417	static int pcm990_camera_set_bus_param(struct soc_camera_link *link,
594bb46d	418	unsigned long flags)
d75b1dcc	419	{
594bb46d	420	if (gpio_bus_switch < 0) {
d75b1dcc SH	421	if (flags == SOCAM_DATAWIDTH_10)
	422	return 0;
	423	else
	424	return -EINVAL;
	425	}
	426
	427	if (flags & SOCAM_DATAWIDTH_8)
fae00288	428	gpio_set_value_cansleep(gpio_bus_switch, 1);
d75b1dcc	429	else
fae00288	430	gpio_set_value_cansleep(gpio_bus_switch, 0);
d75b1dcc SH	431
	432	return 0;
	433	}
	434
	435	static unsigned long pcm990_camera_query_bus_param(struct soc_camera_link *link)
	436	{
	437	int ret;
	438
594bb46d	439	if (gpio_bus_switch < 0) {
1a8d5fab	440	ret = gpio_request(PXA_NR_BUILTIN_GPIO, "camera");
d75b1dcc	441	if (!ret) {
1a8d5fab	442	gpio_bus_switch = PXA_NR_BUILTIN_GPIO;
d75b1dcc	443	gpio_direction_output(gpio_bus_switch, 0);
594bb46d	444	}
58762e77	445	}
d75b1dcc	446
594bb46d	447	if (gpio_bus_switch >= 0)
d75b1dcc SH	448	return SOCAM_DATAWIDTH_8 \| SOCAM_DATAWIDTH_10;
	449	else
	450	return SOCAM_DATAWIDTH_10;
	451	}
	452
594bb46d GL	453	static void pcm990_camera_free_bus(struct soc_camera_link *link)
	454	{
	455	if (gpio_bus_switch < 0)
	456	return;
	457
	458	gpio_free(gpio_bus_switch);
	459	gpio_bus_switch = -EINVAL;
	460	}
	461
58762e77 GL	462	/* Board I2C devices. */
	463	static struct i2c_board_info __initdata pcm990_i2c_devices[] = {
	464	{
	465	/* Must initialize before the camera(s) */
3760f736	466	I2C_BOARD_INFO("pca9536", 0x41),
58762e77	467	.platform_data = &pca9536_data,
4a3d3abe GL	468	},
	469	};
	470
	471	static struct i2c_board_info pcm990_camera_i2c[] = {
	472	{
58762e77	473	I2C_BOARD_INFO("mt9v022", 0x48),
58762e77 GL	474	}, {
58762e77 GL	475	I2C_BOARD_INFO("mt9m001", 0x5d),
4a3d3abe GL	476	},
	477	};
	478
	479	static struct soc_camera_link iclink[] = {
	480	{
	481	.bus_id = 0, /* Must match with the camera ID */
	482	.board_info = &pcm990_camera_i2c[0],
	483	.i2c_adapter_id = 0,
	484	.query_bus_param = pcm990_camera_query_bus_param,
	485	.set_bus_param = pcm990_camera_set_bus_param,
	486	.free_bus = pcm990_camera_free_bus,
4a3d3abe GL	487	}, {
	488	.bus_id = 0, /* Must match with the camera ID */
	489	.board_info = &pcm990_camera_i2c[1],
	490	.i2c_adapter_id = 0,
	491	.query_bus_param = pcm990_camera_query_bus_param,
	492	.set_bus_param = pcm990_camera_set_bus_param,
	493	.free_bus = pcm990_camera_free_bus,
4a3d3abe GL	494	},
	495	};
	496
	497	static struct platform_device pcm990_camera[] = {
	498	{
	499	.name = "soc-camera-pdrv",
	500	.id = 0,
	501	.dev = {
	502	.platform_data = &iclink[0],
	503	},
	504	}, {
	505	.name = "soc-camera-pdrv",
	506	.id = 1,
	507	.dev = {
	508	.platform_data = &iclink[1],
	509	},
58762e77 GL	510	},
	511	};
	512	#endif /* CONFIG_VIDEO_PXA27x \|\|CONFIG_VIDEO_PXA27x_MODULE */
	513
2e927b76 RS	514	/*
	515	* system init for baseboard usage. Will be called by pcm027 init.
	516	*
	517	* Add platform devices present on this baseboard and init
	518	* them from CPU side as far as required to use them later on
	519	*/
	520	void __init pcm990_baseboard_init(void)
	521	{
6a566fbb GL	522	pxa2xx_mfp_config(ARRAY_AND_SIZE(pcm990_pin_config));
6a566fbb GL	523
b298322b SH	524	pcm990_cpld_base = ioremap(PCM990_CTRL_PHYS, PCM990_CTRL_SIZE);
	525	if (!pcm990_cpld_base) {
	526	pr_err("pcm990: failed to ioremap cpld\n");
	527	return;
	528	}
2e927b76 RS	529
	530	/* register CPLD's IRQ controller */
	531	pcm990_init_irq();
	532
c0f7edb3	533	#ifndef CONFIG_PCM990_DISPLAY_NONE
4321e1a1	534	pxa_set_fb_info(NULL, &pcm990_fbinfo);
c0f7edb3	535	#endif
c0f7edb3 GL	536	platform_device_register(&pcm990_backlight_device);
c0f7edb3 GL	537
2e927b76 RS	538	/* MMC */
	539	pxa_set_mci_info(&pcm990_mci_platform_data);
	540
	541	/* USB host */
	542	pxa_set_ohci_info(&pcm990_ohci_platform_data);
	543
58762e77	544	pxa_set_i2c_info(NULL);
9f19d638	545	pxa_set_ac97_info(NULL);
58762e77 GL	546
58762e77 GL	547	#if defined(CONFIG_VIDEO_PXA27x) \|\| defined(CONFIG_VIDEO_PXA27x_MODULE)
0e851907	548	pxa2xx_mfp_config(ARRAY_AND_SIZE(pcm990_camera_pin_config));
58762e77 GL	549	pxa_set_camera_info(&pcm990_pxacamera_platform_data);
58762e77 GL	550
6a566fbb	551	i2c_register_board_info(0, ARRAY_AND_SIZE(pcm990_i2c_devices));
4a3d3abe GL	552
	553	platform_device_register(&pcm990_camera[0]);
	554	platform_device_register(&pcm990_camera[1]);
58762e77 GL	555	#endif
58762e77 GL	556
6a566fbb	557	printk(KERN_INFO "PCM-990 Evaluation baseboard initialized\n");
2e927b76	558	}