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 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