2 * Sony CXD2820R demodulator driver
4 * Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
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.
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.
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.
25 #include <linux/kconfig.h>
26 #include <linux/dvb/frontend.h>
28 #define CXD2820R_GPIO_D (0 << 0) /* disable */
29 #define CXD2820R_GPIO_E (1 << 0) /* enable */
30 #define CXD2820R_GPIO_O (0 << 1) /* output */
31 #define CXD2820R_GPIO_I (1 << 1) /* input */
32 #define CXD2820R_GPIO_L (0 << 2) /* output low */
33 #define CXD2820R_GPIO_H (1 << 2) /* output high */
35 #define CXD2820R_TS_SERIAL 0x08
36 #define CXD2820R_TS_SERIAL_MSB 0x28
37 #define CXD2820R_TS_PARALLEL 0x30
38 #define CXD2820R_TS_PARALLEL_MSB 0x70
41 * I2C address: 0x6c, 0x6d
45 * struct cxd2820r_platform_data - Platform data for the cxd2820r driver
47 * @ts_clk_inv: TS clock inverted.
48 * @if_agc_polarity: IF AGC polarity.
49 * @spec_inv: Input spectrum inverted.
50 * @gpio_chip_base: GPIO.
51 * @get_dvb_frontend: Get DVB frontend.
54 struct cxd2820r_platform_data {
61 struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
62 /* private: For legacy media attach wrapper. Do not set value. */
66 struct cxd2820r_config {
67 /* Demodulator I2C address.
68 * Driver determines DVB-C slave I2C address automatically from master
70 * Default: none, must set
76 * Default: none, must set.
93 /* Spectrum inversion.
101 #if IS_REACHABLE(CONFIG_DVB_CXD2820R)
102 extern struct dvb_frontend *cxd2820r_attach(
103 const struct cxd2820r_config *config,
104 struct i2c_adapter *i2c,
108 static inline struct dvb_frontend *cxd2820r_attach(
109 const struct cxd2820r_config *config,
110 struct i2c_adapter *i2c,
114 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
120 #endif /* CXD2820R_H */