1 /*
2 * Driver for the Conexant CX25821 PCIe bridge
3 *
4 * Copyright (C) 2009 Conexant Systems Inc.
5 * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
6 * Based on Steven Toth <stoth@linuxtv.org> 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
37 struct cx25821_board cx25821_boards[] = {
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
55 struct cx25821_subid cx25821_subids[] = {
56 {
57 .subvendor = 0x14f1,
58 .subdevice = 0x0920,
59 .card = CX25821_BOARD,
60 },
61 };
62
cx25821_card_setup(struct cx25821_dev * dev)63 void cx25821_card_setup(struct cx25821_dev *dev)
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 }
73