Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
cx25821-cards.c
Go to the documentation of this file.
1 /*
2  * Driver for the Conexant CX25821 PCIe bridge
3  *
4  * Copyright (C) 2009 Conexant Systems Inc.
6  * Based on Steven Toth <[email protected]> cx23885 driver
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  *
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22  */
23 
24 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
25 
26 #include <linux/init.h>
27 #include <linux/module.h>
28 #include <linux/pci.h>
29 #include <linux/delay.h>
30 #include <media/cx25840.h>
31 
32 #include "cx25821.h"
33 #include "tuner-xc2028.h"
34 
35 /* board config info */
36 
38  [UNKNOWN_BOARD] = {
39  .name = "UNKNOWN/GENERIC",
40  /* Ensure safe default for unknown boards */
41  .clk_freq = 0,
42  },
43 
44  [CX25821_BOARD] = {
45  .name = "CX25821",
46  .portb = CX25821_RAW,
47  .portc = CX25821_264,
48  .input[0].type = CX25821_VMUX_COMPOSITE,
49  },
50 
51 };
52 
53 const unsigned int cx25821_bcount = ARRAY_SIZE(cx25821_boards);
54 
56  {
57  .subvendor = 0x14f1,
58  .subdevice = 0x0920,
59  .card = CX25821_BOARD,
60  },
61 };
62 
64 {
65  static u8 eeprom[256];
66 
67  if (dev->i2c_bus[0].i2c_rc == 0) {
68  dev->i2c_bus[0].i2c_client.addr = 0xa0 >> 1;
69  tveeprom_read(&dev->i2c_bus[0].i2c_client, eeprom,
70  sizeof(eeprom));
71  }
72 }