cregit-Linux how code gets into the kernel

Release 4.7 drivers/media/dvb-frontends/tda1004x.h

/*
     Driver for Philips tda1004xh OFDM Frontend

     (c) 2004 Andrew de Quincey

     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.

     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

   */

#ifndef TDA1004X_H

#define TDA1004X_H

#include <linux/dvb/frontend.h>
#include <linux/firmware.h>


enum tda10046_xtal {
	
TDA10046_XTAL_4M,
	
TDA10046_XTAL_16M,
};


enum tda10046_agc {
	
TDA10046_AGC_DEFAULT,		/* original configuration */
	
TDA10046_AGC_IFO_AUTO_NEG,	/* IF AGC only, automatic, negtive */
	
TDA10046_AGC_IFO_AUTO_POS,	/* IF AGC only, automatic, positive */
	
TDA10046_AGC_TDA827X,		/* IF AGC only, special setup for tda827x */
};

/* Many (hybrid) boards use GPIO 1 and 3
        GPIO1   analog - dvb switch
        GPIO3   firmware eeprom address switch
*/

enum tda10046_gpio {
	
TDA10046_GPTRI  = 0x00,		/* All GPIOs tristate */
	
TDA10046_GP00   = 0x40,		/* GPIO3=0, GPIO1=0 */
	
TDA10046_GP01   = 0x42,		/* GPIO3=0, GPIO1=1 */
	
TDA10046_GP10   = 0x48,		/* GPIO3=1, GPIO1=0 */
	
TDA10046_GP11   = 0x4a,		/* GPIO3=1, GPIO1=1 */
	
TDA10046_GP00_I = 0x80,		/* GPIO3=0, GPIO1=0, invert in sleep mode*/
	
TDA10046_GP01_I = 0x82,		/* GPIO3=0, GPIO1=1, invert in sleep mode */
	
TDA10046_GP10_I = 0x88,		/* GPIO3=1, GPIO1=0, invert in sleep mode */
	
TDA10046_GP11_I = 0x8a,		/* GPIO3=1, GPIO1=1, invert in sleep mode */
};


enum tda10046_if {
	
TDA10046_FREQ_3617,		/* original config, 36,166 MHZ */
	
TDA10046_FREQ_3613,		/* 36,13 MHZ */
	
TDA10046_FREQ_045,		/* low IF, 4.0, 4.5, or 5.0 MHZ */
	
TDA10046_FREQ_052,		/* low IF, 5.1667 MHZ for tda9889 */
};


enum tda10046_tsout {
	
TDA10046_TS_PARALLEL  = 0x00,	/* parallel transport stream, default */
	
TDA10046_TS_SERIAL    = 0x01,	/* serial transport stream */
};


struct tda1004x_config
{
	/* the demodulator's i2c address */
	
u8 demod_address;

	/* does the "inversion" need inverted? */
	
u8 invert;

	/* Does the OCLK signal need inverted? */
	
u8 invert_oclk;

	/* parallel or serial transport stream */
	
enum tda10046_tsout ts_mode;

	/* Xtal frequency, 4 or 16MHz*/
	
enum tda10046_xtal xtal_freq;

	/* IF frequency */
	
enum tda10046_if if_freq;

	/* AGC configuration */
	
enum tda10046_agc agc_config;

	/* setting of GPIO1 and 3 */
	
enum tda10046_gpio gpio_config;

	/* slave address and configuration of the tuner */
	
u8 tuner_address;
	
u8 antenna_switch;

	/* if the board uses another I2c Bridge (tda8290), its address */
	
u8 i2c_gate;

	/* request firmware for device */
	
int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
};


enum tda1004x_demod {
	
TDA1004X_DEMOD_TDA10045,
	
TDA1004X_DEMOD_TDA10046,
};


struct tda1004x_state {
	
struct i2c_adapter* i2c;
	
const struct tda1004x_config* config;
	
struct dvb_frontend frontend;

	/* private demod data */
	
enum tda1004x_demod demod_type;
};

#if IS_REACHABLE(CONFIG_DVB_TDA1004X)
extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
					    struct i2c_adapter* i2c);

extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
					    struct i2c_adapter* i2c);
#else

static inline struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config, struct i2c_adapter* i2c) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
andrew de quinceyandrew de quincey3096.77%150.00%
harvey harrisonharvey harrison13.23%150.00%
Total31100.00%2100.00%


static inline struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config, struct i2c_adapter* i2c) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
andrew de quinceyandrew de quincey3096.77%150.00%
harvey harrisonharvey harrison13.23%150.00%
Total31100.00%2100.00%

#endif // CONFIG_DVB_TDA1004X
static inline int tda1004x_writereg(struct dvb_frontend *fe, u8 reg, u8 val) { int r = 0; u8 buf[] = {reg, val}; if (fe->ops.write) r = fe->ops.write(fe, buf, 2); return r; }

Contributors

PersonTokensPropCommitsCommitProp
andrew de quinceyandrew de quincey4983.05%150.00%
michael hunoldmichael hunold1016.95%150.00%
Total59100.00%2100.00%

#endif // TDA1004X_H

Overall Contributors

PersonTokensPropCommitsCommitProp
hartmut hackmannhartmut hackmann17643.78%646.15%
andrew de quinceyandrew de quincey11929.60%215.38%
michael hunoldmichael hunold10325.62%215.38%
harvey harrisonharvey harrison20.50%17.69%
arnd bergmannarnd bergmann10.25%17.69%
johannes stezenbachjohannes stezenbach10.25%17.69%
Total402100.00%13100.00%
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