// SPDX-License-Identifier: GPL-2.0 // For Philips TEA5761 FM Chip // I2C address is always 0x20 (0x10 at 7-bit mode). // // Copyright (c) 2005-2007 Mauro Carvalho Chehab <[email protected]> #include <linux/i2c.h> #include <linux/slab.h> #include <linux/delay.h> #include <linux/videodev2.h> #include <media/tuner.h> #include "tuner-i2c.h" #include "tea5761.h" static int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(…) …; struct tea5761_priv { … }; /*****************************************************************************/ /*************************** * TEA5761HN I2C registers * ***************************/ /* INTREG - Read: bytes 0 and 1 / Write: byte 0 */ /* first byte for reading */ #define TEA5761_INTREG_IFFLAG … #define TEA5761_INTREG_LEVFLAG … #define TEA5761_INTREG_FRRFLAG … #define TEA5761_INTREG_BLFLAG … /* second byte for reading / byte for writing */ #define TEA5761_INTREG_IFMSK … #define TEA5761_INTREG_LEVMSK … #define TEA5761_INTREG_FRMSK … #define TEA5761_INTREG_BLMSK … /* FRQSET - Read: bytes 2 and 3 / Write: byte 1 and 2 */ /* First byte */ #define TEA5761_FRQSET_SEARCH_UP … #define TEA5761_FRQSET_SEARCH_MODE … /* Bits 0-5 for divider MSB */ /* Second byte */ /* Bits 0-7 for divider LSB */ /* TNCTRL - Read: bytes 4 and 5 / Write: Bytes 3 and 4 */ /* first byte */ #define TEA5761_TNCTRL_PUPD_0 … #define TEA5761_TNCTRL_BLIM … #define TEA5761_TNCTRL_SWPM … #define TEA5761_TNCTRL_IFCTC … #define TEA5761_TNCTRL_AFM … #define TEA5761_TNCTRL_SMUTE … #define TEA5761_TNCTRL_SNC … /* second byte */ #define TEA5761_TNCTRL_MU … #define TEA5761_TNCTRL_SSL_1 … #define TEA5761_TNCTRL_SSL_0 … #define TEA5761_TNCTRL_HLSI … #define TEA5761_TNCTRL_MST … #define TEA5761_TNCTRL_SWP … #define TEA5761_TNCTRL_DTC … #define TEA5761_TNCTRL_AHLSI … /* FRQCHECK - Read: bytes 6 and 7 */ /* First byte */ /* Bits 0-5 for divider MSB */ /* Second byte */ /* Bits 0-7 for divider LSB */ /* TUNCHECK - Read: bytes 8 and 9 */ /* First byte */ #define TEA5761_TUNCHECK_IF_MASK … #define TEA5761_TUNCHECK_TUNTO … /* Second byte */ #define TEA5761_TUNCHECK_LEV_MASK … #define TEA5761_TUNCHECK_LD … #define TEA5761_TUNCHECK_STEREO … /* TESTREG - Read: bytes 10 and 11 / Write: bytes 5 and 6 */ /* All zero = no test mode */ /* MANID - Read: bytes 12 and 13 */ /* First byte - should be 0x10 */ #define TEA5767_MANID_VERSION_MASK … #define TEA5767_MANID_ID_MSB_MASK … /* Second byte - Should be 0x2b */ #define TEA5767_MANID_ID_LSB_MASK … #define TEA5767_MANID_IDAV … /* Chip ID - Read: bytes 14 and 15 */ /* First byte - should be 0x57 */ /* Second byte - should be 0x61 */ /*****************************************************************************/ #define FREQ_OFFSET … static void tea5761_status_dump(unsigned char *buffer) { … } /* Freq should be specifyed at 62.5 Hz */ static int __set_radio_freq(struct dvb_frontend *fe, unsigned int freq, bool mono) { … } static int set_radio_freq(struct dvb_frontend *fe, struct analog_parameters *params) { … } static int set_radio_sleep(struct dvb_frontend *fe) { … } static int tea5761_read_status(struct dvb_frontend *fe, char *buffer) { … } static inline int tea5761_signal(struct dvb_frontend *fe, const char *buffer) { … } static inline int tea5761_stereo(struct dvb_frontend *fe, const char *buffer) { … } static int tea5761_get_status(struct dvb_frontend *fe, u32 *status) { … } static int tea5761_get_rf_strength(struct dvb_frontend *fe, u16 *strength) { … } int tea5761_autodetection(struct i2c_adapter* i2c_adap, u8 i2c_addr) { … } static void tea5761_release(struct dvb_frontend *fe) { … } static int tea5761_get_frequency(struct dvb_frontend *fe, u32 *frequency) { … } static const struct dvb_tuner_ops tea5761_tuner_ops = …; struct dvb_frontend *tea5761_attach(struct dvb_frontend *fe, struct i2c_adapter* i2c_adap, u8 i2c_addr) { … } EXPORT_SYMBOL_GPL(…); EXPORT_SYMBOL_GPL(…); MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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