1 /* 2 * Realtek RTL2832U SDR driver 3 * 4 * Copyright (C) 2013 Antti Palosaari <crope@iki.fi> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License along 17 * with this program; if not, write to the Free Software Foundation, Inc., 18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * GNU Radio plugin "gr-kernel" for device usage will be on: 21 * http://git.linuxtv.org/anttip/gr-kernel.git 22 * 23 */ 24 25 #ifndef RTL2832_SDR_H 26 #define RTL2832_SDR_H 27 28 #include <linux/i2c.h> 29 #include <media/v4l2-subdev.h> 30 #include "dvb_frontend.h" 31 32 /** 33 * struct rtl2832_sdr_platform_data - Platform data for the rtl2832_sdr driver 34 * @clk: Clock frequency (4000000, 16000000, 25000000, 28800000). 35 * @tuner: Used tuner model. 36 * @i2c_client: rtl2832 demod driver I2C client. 37 * @bulk_read: rtl2832 driver private I/O interface. 38 * @bulk_write: rtl2832 driver private I/O interface. 39 * @update_bits: rtl2832 driver private I/O interface. 40 * @dvb_frontend: rtl2832 DVB frontend. 41 * @v4l2_subdev: Tuner v4l2 controls. 42 * @dvb_usb_device: DVB USB interface for USB streaming. 43 */ 44 45 struct rtl2832_sdr_platform_data { 46 u32 clk; 47 /* 48 * XXX: This list must be kept sync with dvb_usb_rtl28xxu USB IF driver. 49 */ 50 #define RTL2832_SDR_TUNER_FC2580 0x21 51 #define RTL2832_SDR_TUNER_TUA9001 0x24 52 #define RTL2832_SDR_TUNER_FC0012 0x26 53 #define RTL2832_SDR_TUNER_E4000 0x27 54 #define RTL2832_SDR_TUNER_FC0013 0x29 55 #define RTL2832_SDR_TUNER_R820T 0x2a 56 #define RTL2832_SDR_TUNER_R828D 0x2b 57 u8 tuner; 58 59 struct i2c_client *i2c_client; 60 int (*bulk_read)(struct i2c_client *, unsigned int, void *, size_t); 61 int (*bulk_write)(struct i2c_client *, unsigned int, const void *, size_t); 62 int (*update_bits)(struct i2c_client *, unsigned int, unsigned int, unsigned int); 63 struct dvb_frontend *dvb_frontend; 64 struct v4l2_subdev *v4l2_subdev; 65 struct dvb_usb_device *dvb_usb_device; 66 }; 67 68 #endif /* RTL2832_SDR_H */ 69