^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Driver for Xceive XC4000 "QAM/8VSB single chip tuner"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #ifndef __XC4000_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #define __XC4000_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/firmware.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) struct dvb_frontend;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) struct i2c_adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct xc4000_config {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) u8 i2c_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) /* if non-zero, power management is enabled by default */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) u8 default_pm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /* value to be written to XREG_AMPLITUDE in DVB-T mode (0: no write) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) u8 dvb_amplitude;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /* if non-zero, register 0x0E is set to filter analog TV video output */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) u8 set_smoothedcvbs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) /* IF for DVB-T */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) u32 if_khz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /* xc4000 callback command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define XC4000_TUNER_RESET 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /* For each bridge framework, when it attaches either analog or digital,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * it has to store a reference back to its _core equivalent structure,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * so that it can service the hardware by steering gpio's etc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * Each bridge implementation is different so cast devptr accordingly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * The xc4000 driver cares not for this value, other than ensuring
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * it's passed back to a bridge during tuner_callback().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #if IS_REACHABLE(CONFIG_MEDIA_TUNER_XC4000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) extern struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct i2c_adapter *i2c,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct xc4000_config *cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static inline struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct i2c_adapter *i2c,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) struct xc4000_config *cfg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #endif