media/dvb-frontends/lg2160.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  *    Support for LG2160 - ATSC/MH
0004  *
0005  *    Copyright (C) 2010 Michael Krufky <mkrufky@linuxtv.org>
0006  */
0007
0008 #ifndef _LG2160_H_
0009 #define _LG2160_H_
0010
0011 #include <linux/i2c.h>
0012 #include <media/dvb_frontend.h>
0013
0014 enum lg_chip_type {
0015     LG2160 = 0,
0016     LG2161 = 1,
0017 };
0018
0019 #define LG2161_1019 LG2161
0020 #define LG2161_1040 LG2161
0021
0022 enum lg2160_spi_clock {
0023     LG2160_SPI_3_125_MHZ = 0,
0024     LG2160_SPI_6_25_MHZ = 1,
0025     LG2160_SPI_12_5_MHZ = 2,
0026 };
0027
0028 #if 0
0029 enum lg2161_oif {
0030     LG2161_OIF_EBI2_SLA  = 1,
0031     LG2161_OIF_SDIO_SLA  = 2,
0032     LG2161_OIF_SPI_SLA   = 3,
0033     LG2161_OIF_SPI_MAS   = 4,
0034     LG2161_OIF_SERIAL_TS = 7,
0035 };
0036 #endif
0037
0038 struct lg2160_config {
0039     u8 i2c_addr;
0040
0041     /* user defined IF frequency in KHz */
0042     u16 if_khz;
0043
0044     /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
0045     unsigned int deny_i2c_rptr:1;
0046
0047     /* spectral inversion - 0:disabled 1:enabled */
0048     unsigned int spectral_inversion:1;
0049
0050     unsigned int output_if;
0051     enum lg2160_spi_clock spi_clock;
0052     enum lg_chip_type lg_chip;
0053 };
0054
0055 #if IS_REACHABLE(CONFIG_DVB_LG2160)
0056 extern
0057 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
0058                      struct i2c_adapter *i2c_adap);
0059 #else
0060 static inline
0061 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
0062                      struct i2c_adapter *i2c_adap)
0063 {
0064     printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
0065     return NULL;
0066 }
0067 #endif /* CONFIG_DVB_LG2160 */
0068
0069 #endif /* _LG2160_H_ */