path: root/drivers/staging/go7007/go7007-usb.c

/*
 * Copyright (C) 2005-2006 Micronas USA Inc.
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/wait.h>
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/mm.h>
#include <linux/usb.h>
#include <linux/i2c.h>
#include <asm/byteorder.h>
#include <media/tvaudio.h>

#include "go7007-priv.h"
#include "wis-i2c.h"

static unsigned int assume_endura;
module_param(assume_endura, int, 0644);
MODULE_PARM_DESC(assume_endura, "when probing fails, "
				"hardware is a Pelco Endura");

/* #define GO7007_USB_DEBUG */
/* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */

#define	HPI_STATUS_ADDR	0xFFF4
#define	INT_PARAM_ADDR	0xFFF6
#define	INT_INDEX_ADDR	0xFFF8

/*
 * Pipes on EZ-USB interface:
 *	0 snd - Control
 *	0 rcv - Control
 *	2 snd - Download firmware (control)
 *	4 rcv - Read Interrupt (interrupt)
 *	6 rcv - Read Video (bulk)
 *	8 rcv - Read Audio (bulk)
 */

#define GO7007_USB_EZUSB		(1<<0)
#define GO7007_USB_EZUSB_I2C		(1<<1)

struct go7007_usb_board {
	unsigned int flags;
	struct go7007_board_info main_info;
};

struct go7007_usb {
	struct go7007_usb_board *board;
	struct mutex i2c_lock;
	struct usb_device *usbdev;
	struct urb *video_urbs[8];
	struct urb *audio_urbs[8];
	struct urb *intr_urb;
};

/*********************** Product specification data ***********************/

static struct go7007_usb_board board_matrix_ii = {
	.flags		= GO7007_USB_EZUSB,
	.main_info	= {
		.firmware	 = "go7007tv.bin",
		.flags		 = GO7007_BOARD_HAS_AUDIO |
					GO7007_BOARD_USE_ONBOARD_I2C,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_WORD_16,
		.audio_rate	 = 48000,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_VALID_ENABLE |
					GO7007_SENSOR_TV |
					GO7007_SENSOR_VBI |
					GO7007_SENSOR_SCALING,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "wis_saa7115",
				.id	= I2C_DRIVERID_WIS_SAA7115,
				.addr	= 0x20,
			},
		},
		.num_inputs	 = 2,
		.inputs		 = {
			{
				.video_input	= 0,
				.name		= "Composite",
			},
			{
				.video_input	= 9,
				.name		= "S-Video",
			},
		},
	},
};

static struct go7007_usb_board board_matrix_reload = {
	.flags		= GO7007_USB_EZUSB,
	.main_info