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Based on 3 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [graeme] [gregory] [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema] [hk] [hemahk]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1105 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Driver for Xceive XC4000 "QAM/8VSB single chip tuner"
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*
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* Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
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*/
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#ifndef __XC4000_H__
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#define __XC4000_H__
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#include <linux/firmware.h>
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struct dvb_frontend;
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struct i2c_adapter;
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struct xc4000_config {
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u8 i2c_address;
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/* if non-zero, power management is enabled by default */
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u8 default_pm;
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/* value to be written to XREG_AMPLITUDE in DVB-T mode (0: no write) */
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u8 dvb_amplitude;
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/* if non-zero, register 0x0E is set to filter analog TV video output */
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u8 set_smoothedcvbs;
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/* IF for DVB-T */
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u32 if_khz;
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};
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/* xc4000 callback command */
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#define XC4000_TUNER_RESET 0
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/* For each bridge framework, when it attaches either analog or digital,
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* it has to store a reference back to its _core equivalent structure,
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* so that it can service the hardware by steering gpio's etc.
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* Each bridge implementation is different so cast devptr accordingly.
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* The xc4000 driver cares not for this value, other than ensuring
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* it's passed back to a bridge during tuner_callback().
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*/
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#if IS_REACHABLE(CONFIG_MEDIA_TUNER_XC4000)
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extern struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c,
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struct xc4000_config *cfg);
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#else
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static inline struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c,
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struct xc4000_config *cfg)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif
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#endif
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