V4L/DVB (9375): Add STB0899 support

Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/stb0899_drv.h

+/*
+	STB0899 Multistandard Frontend driver
+	Copyright (C) Manu Abraham (abraham.manu@gmail.com)
+
+	Copyright (C) ST Microelectronics
+
+	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 __STB0899_DRV_H
+#define __STB0899_DRV_H
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "dvb_frontend.h"
+
+#define STB0899_TSMODE_SERIAL		1
+#define STB0899_CLKPOL_FALLING		2
+#define STB0899_CLKNULL_PARITY		3
+#define STB0899_SYNC_FORCED		4
+#define STB0899_FECMODE_DSS		5
+
+struct stb0899_s1_reg {
+	u16	address;
+	u8	data;
+};
+
+struct stb0899_s2_reg {
+	u16	offset;
+	u32	base_address;
+	u32	data;
+};
+
+struct stb0899_config {
+	const struct stb0899_s1_reg	*init_dev;
+	const struct stb0899_s2_reg	*init_s2_demod;
+	const struct stb0899_s1_reg	*init_s1_demod;
+	const struct stb0899_s2_reg	*init_s2_fec;
+	const struct stb0899_s1_reg	*init_tst;
+
+	u32	xtal_freq;
+
+	u8	demod_address;
+	u8	ts_output_mode;
+	u8	block_sync_mode;
+	u8	ts_pfbit_toggle;
+
+	u8	clock_polarity;
+	u8	data_clk_parity;
+	u8	fec_mode;
+	u8	data_output_ctl;
+	u8	data_fifo_mode;
+	u8	out_rate_comp;
+	u8	i2c_repeater;
+	int	inversion;
+
+	u32	esno_ave;
+	u32	esno_quant;
+	u32	avframes_coarse;
+	u32	avframes_fine;
+	u32	miss_threshold;
+	u32	uwp_threshold_acq;
+	u32	uwp_threshold_track;
+	u32	uwp_threshold_sof;
+	u32	sof_search_timeout;
+
+	u32	btr_nco_bits;
+	u32	btr_gain_shift_offset;
+	u32	crl_nco_bits;
+	u32	ldpc_max_iter;
+
+	int (*tuner_set_frequency)(struct dvb_frontend *fe, u32 frequency);
+	int (*tuner_get_frequency)(struct dvb_frontend *fe, u32 *frequency);
+	int (*tuner_set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth);
+	int (*tuner_get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
+	int (*tuner_set_rfsiggain)(struct dvb_frontend *fe, u32 rf_gain);
+};
+
+extern struct dvb_frontend *stb0899_attach(struct stb0899_config *config, struct i2c_adapter *i2c);
+
+#endif

drivers/media/dvb/frontends/stb0899_priv.h

+/*
+	STB0899 Multistandard Frontend driver
+	Copyright (C) Manu Abraham (abraham.manu@gmail.com)
+
+	Copyright (C) ST Microelectronics
+
+	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 __STB0899_PRIV_H
+#define __STB0899_PRIV_H
+
+#include "dvb_frontend.h"
+#include "stb0899_drv.h"
+
+#define FE_ERROR				0
+#define FE_NOTICE				1
+#define FE_INFO					2
+#define FE_DEBUG				3
+#define FE_DEBUGREG				4
+
+#define dprintk(x, y, z, format, arg...) do {						\
+	if (z) {									\
+		if	((x > FE_ERROR) && (x > y))					\
+			printk(KERN_ERR "%s: " format "\n", __func__ , ##arg);		\
+		else if	((x > FE_NOTICE) && (x > y))					\
+			printk(KERN_NOTICE "%s: " format "\n", __func__ , ##arg);	\
+		else if ((x > FE_INFO) && (x > y))					\
+			printk(KERN_INFO "%s: " format "\n", __func__ , ##arg);		\
+		else if ((x > FE_DEBUG) && (x > y))					\
+			printk(KERN_DEBUG "%s: " format "\n", __func__ , ##arg);	\
+	} else {									\
+		if (x > y)								\
+			printk(format, ##arg);						\
+	}										\
+} while(0)
+
+#define INRANGE(val, x, y)			(((x <= val) && (val <= y)) ||		\
+						 ((y <= val) && (val <= x)) ? 1 : 0)
+
+#define BYTE0					0
+#define BYTE1					8
+#define BYTE2					16
+#define BYTE3					24
+
+#define GETBYTE(x, y)				(((x) >> (y)) & 0xff)
+#define MAKEWORD32(a, b, c, d)			(((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
+#define MAKEWORD16(a, b)			(((a) << 8) | (b))
+
+#define MIN(x, y)				((x) <= (y) ? (x) : (y))
+#define MAX(x, y)				((x) >= (y) ? (x) : (y))
+#define ABS(x)					((x) >= 0 ? (x) : -(x))
+
+#define LSB(x)					((x & 0xff))
+#define MSB(y)					((y >> 8) & 0xff)
+
+
+#define STB0899_GETFIELD(bitf, val)		((val >> STB0899_OFFST_##bitf) & ((1 << STB0899_WIDTH_##bitf) - 1))
+
+
+#define STB0899_SETFIELD(mask, val, width, offset)      (mask & (~(((1 << width) - 1) <<	\
+							 offset))) | ((val &			\
+							 ((1 << width) - 1)) << offset)
+
+#define STB0899_SETFIELD_VAL(bitf, mask, val)	(mask = (mask & (~(((1 << STB0899_WIDTH_##bitf) - 1) <<\
+							 STB0899_OFFST_##bitf))) | \
+							 (val << STB0899_OFFST_##bitf))
+
+
+enum stb0899_status {
+	NOAGC1	= 0,
+	AGC1OK,
+	NOTIMING,
+	ANALOGCARRIER,
+	TIMINGOK,
+	NOAGC2,
+	AGC2OK,
+	NOCARRIER,
+	CARRIEROK,
+	NODATA,
+	FALSELOCK,
+	DATAOK,
+	OUTOFRANGE,
+	RANGEOK,
+	DVBS2_DEMOD_LOCK,
+	DVBS2_DEMOD_NOLOCK,
+	DVBS2_FEC_LOCK,
+	DVBS2_FEC_NOLOCK
+};
+
+enum stb0899_modcod {
+	STB0899_DUMMY_PLF,
+	STB0899_QPSK_14,
+	STB0899_QPSK_13,
+	STB0899_QPSK_25,
+	STB0899_QPSK_12,
+	STB0899_QPSK_35,
+	STB0899_QPSK_23,
+	STB0899_QPSK_34,
+	STB0899_QPSK_45,
+	STB0899_QPSK_56,
+	STB0899_QPSK_89,
+	STB0899_QPSK_910,
+	STB0899_8PSK_35,
+	STB0899_8PSK_23,
+	STB0899_8PSK_34,
+	STB0899_8PSK_56,
+	STB0899_8PSK_89,
+	STB0899_8PSK_910,
+	STB0899_16APSK_23,
+	STB0899_16APSK_34,
+	STB0899_16APSK_45,
+	STB0899_16APSK_56,
+	STB0899_16APSK_89,
+	STB0899_16APSK_910,
+	STB0899_32APSK_34,
+	STB0899_32APSK_45,
+	STB0899_32APSK_56,
+	STB0899_32APSK_89,
+	STB0899_32APSK_910
+};
+
+enum stb0899_frame {
+	STB0899_LONG_FRAME,
+	STB0899_SHORT_FRAME
+};
+
+enum stb0899_inversion {
+	IQ_SWAP_OFF	= 0,
+	IQ_SWAP_ON,
+	IQ_SWAP_AUTO
+};
+
+enum stb0899_alpha {
+	RRC_20,
+	RRC_25,
+	RRC_35
+};
+
+struct stb0899_tab {
+	s32 real;
+	s32 read;
+};
+
+enum stb0899_fec {
+	STB0899_FEC_1_2			= 13,
+	STB0899_FEC_2_3			= 18,
+	STB0899_FEC_3_4			= 21,
+	STB0899_FEC_5_6			= 24,
+	STB0899_FEC_6_7			= 25,
+	STB0899_FEC_7_8			= 26
+};
+
+struct stb0899_params {
+	u32	freq;					/* Frequency	*/
+	u32	srate;					/* Symbol rate	*/
+	enum dvbfe_fec fecrate;
+};
+
+struct stb0899_internal {
+	u32			master_clk;
+	u32			freq;			/* Demod internal Frequency		*/
+	u32			srate;			/* Demod internal Symbol rate		*/
+	enum stb0899_fec	fecrate;		/* Demod internal FEC rate		*/
+	u32			srch_range;		/* Demod internal Search Range		*/
+	u32			sub_range;		/* Demod current sub range (Hz)		*/
+	u32			tuner_step;		/* Tuner step (Hz)			*/
+	u32			tuner_offst;		/* Relative offset to carrier (Hz)	*/
+	u32			tuner_bw;		/* Current bandwidth of the tuner (Hz)	*/
+
+	s32			mclk;			/* Masterclock Divider factor (binary)	*/
+	s32			rolloff;		/* Current RollOff of the filter (x100)	*/
+
+	s16			derot_freq;		/* Current derotator frequency (Hz)	*/
+	s16			derot_percent;
+
+	s16			direction;		/* Current derotator search direction	*/
+	s16			derot_step;		/* Derotator step (binary value)	*/
+	s16			t_timing;		/* Timing loop time constant (ms)	*/
+	s16			t_derot;		/* Derotator time constant (ms)		*/
+	s16			t_data;			/* Data recovery time constant (ms)	*/
+	s16			sub_dir;		/* Direction of the next sub range	*/
+
+	s16			t_agc1;			/* Agc1 time constant (ms)		*/
+	s16			t_agc2;			/* Agc2 time constant (ms)		*/
+
+	u32			lock;			/* Demod internal lock state		*/
+	enum stb0899_status	status;			/* Demod internal status		*/
+
+	/* DVB-S2 */
+	s32			agc_gain;		/* RF AGC Gain				*/
+	s32			center_freq;		/* Nominal carrier frequency		*/
+	s32			av_frame_coarse;	/* Coarse carrier freq search frames	*/
+	s32			av_frame_fine;		/* Fine carrier freq search frames	*/
+
+	s16			step_size;		/* Carrier frequency search step size	*/
+
+	enum stb0899_alpha	rrc_alpha;
+	enum stb0899_inversion	inversion;
+	enum stb0899_modcod	modcod;
+	u8			pilots;			/* Pilots found				*/
+
+	enum stb0899_frame	frame_length;
+	u8			v_status;		/* VSTATUS				*/
+	u8			err_ctrl;		/* ERRCTRLn				*/
+};
+
+struct stb0899_state {
+	struct i2c_adapter		*i2c;
+	struct stb0899_config		*config;
+	struct dvb_frontend		frontend;
+
+	u32				verbose;	/* Cached module verbosity level	*/
+
+	struct stb0899_internal		internal;	/* Device internal parameters		*/
+
+	/*	cached params from API	*/
+	enum dvbfe_delsys		delsys;
+	struct stb0899_params		params;
+
+	u32				rx_freq;	/* DiSEqC 2.0 receiver freq		*/
+	struct mutex			search_lock;
+};
+/* stb0899.c		*/
+extern int stb0899_read_reg(struct stb0899_state *state,
+			    unsigned int reg);
+
+extern u32 _stb0899_read_s2reg(struct stb0899_state *state,
+			       u32 stb0899_i2cdev,
+			       u32 stb0899_base_addr,
+			       u16 stb0899_reg_offset);
+
+extern int stb0899_read_regs(struct stb0899_state *state,
+			     unsigned int reg, u8 *buf,
+			     size_t count);
+
+extern int stb0899_write_regs(struct stb0899_state *state,
+			      unsigned int reg, u8 *data,
+			      size_t count);
+
+extern int stb0899_write_reg(struct stb0899_state *state,
+			     unsigned int reg,
+			     u8 data);
+
+extern int stb0899_write_s2reg(struct stb0899_state *state,
+			       u32 stb0899_i2cdev,
+			       u32 stb0899_base_addr,
+			       u16 stb0899_reg_offset,
+			       u32 stb0899_data);
+
+
+#define STB0899_READ_S2REG(DEVICE, REG) 	(_stb0899_read_s2reg(state, DEVICE, STB0899_BASE_##REG, STB0899_OFF0_##REG))
+//#define STB0899_WRITE_S2REG(DEVICE, REG, DATA)	(_stb0899_write_s2reg(state, DEVICE, STB0899_BASE_##REG, STB0899_OFF0_##REG, DATA))
+
+/* stb0899_algo.c	*/
+extern enum stb0899_status stb0899_dvbs_algo(struct stb0899_state *state);
+extern enum stb0899_status stb0899_dvbs2_algo(struct stb0899_state *state);
+extern long stb0899_carr_width(struct stb0899_state *state);
+
+#endif //__STB0899_PRIV_H