1/*
2 * Copyright (c) 2004-2007 Marcus Overhagen <marcus@overhagen.de>
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without restriction,
7 * including without limitation the rights to use, copy, modify,
8 * merge, publish, distribute, sublicense, and/or sell copies of
9 * the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
17 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25#ifndef __CX23882_H
26#define __CX23882_H
27
28#include <SupportDefs.h>
29#include "driver.h"
30#include "cx23882_regs.h"
31#include "i2c_core.h"
32
33typedef struct {
34	const pci_info *	pci_info;
35	int					irq;
36	void *				regs;
37	area_id				regs_area;
38	uint32				i2c_reg;
39	i2c_bus *			i2c_bus;
40
41	area_id				dma_buf1_area;
42	void *				dma_buf1_virt;
43	phys_addr_t			dma_buf1_phys;
44	area_id				dma_buf2_area;
45	void *				dma_buf2_virt;
46	phys_addr_t			dma_buf2_phys;
47
48	sem_id				capture_sem;
49	void *				capture_data;
50	size_t				capture_size;
51	bigtime_t			capture_end_time;
52} cx23882_device;
53
54
55#define reg_read8(offset)			(*(volatile uint8 *) ((char *)(device->regs) + (offset)))
56#define reg_read16(offset)			(*(volatile uint16 *)((char *)(device->regs) + (offset)))
57#define reg_read32(offset)			(*(volatile uint32 *)((char *)(device->regs) + (offset)))
58#define reg_write8(offset, value)	(*(volatile uint8 *) ((char *)(device->regs) + (offset)) = value)
59#define reg_write16(offset, value)	(*(volatile uint16 *)((char *)(device->regs) + (offset)) = value)
60#define reg_write32(offset, value)	(*(volatile uint32 *)((char *)(device->regs) + (offset)) = value)
61
62
63void	 cx23882_reset(cx23882_device *device);
64status_t cx23882_init(cx23882_device *device);
65status_t cx23882_terminate(cx23882_device *device);
66
67status_t cx23882_start_capture(cx23882_device *device);
68status_t cx23882_stop_capture(cx23882_device *device);
69
70int32	 cx23882_int(void *data);
71
72#endif
73