dvb-pll.c

trident tm5600的linux驱动

/*
 * descriptions + helper functions for simple dvb plls.
 *
 * (c) 2004 Gerd Knorr <[e-mail]> [SuSE Labs]
 *
 *  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.
 */

#include <linux/module.h>
#include <linux/dvb/frontend.h>
#include <asm/types.h>
#include "compat.h"

#include "dvb-pll.h"

struct dvb_pll_priv {
	/* pll number */
	int nr;

	/* i2c details */
	int pll_i2c_address;
	struct i2c_adapter *i2c;

	/* the PLL descriptor */
	struct dvb_pll_desc *pll_desc;

	/* cached frequency/bandwidth */
	u32 frequency;
	u32 bandwidth;
};

#define DVB_PLL_MAX 64

static unsigned int dvb_pll_devcount;

static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "enable verbose debug messages");

static unsigned int id[DVB_PLL_MAX] =
	{ [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED };
module_param_array(id, int, NULL, 0644);
MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)");

/* ----------------------------------------------------------- */

struct dvb_pll_desc {
	char *name;
	u32  min;
	u32  max;
	u32  iffreq;
	void (*set)(struct dvb_frontend *fe, u8 *buf,
		    const struct dvb_frontend_parameters *params);
	u8   *initdata;
	u8   *sleepdata;
	int  count;
	struct {
		u32 limit;
		u32 stepsize;
		u8  config;
		u8  cb;
	} entries[12];
};

/* ----------------------------------------------------------- */
/* descriptions                                                */

static struct dvb_pll_desc dvb_pll_thomson_dtt7579 = {
	.name  = "Thomson dtt7579",
	.min   = 177000000,
	.max   = 858000000,
	.iffreq= 36166667,
	.sleepdata = (u8[]){ 2, 0xb4, 0x03 },
	.count = 4,
	.entries = {
		{  443250000, 166667, 0xb4, 0x02 },
		{  542000000, 166667, 0xb4, 0x08 },
		{  771000000, 166667, 0xbc, 0x08 },
		{  999999999, 166667, 0xf4, 0x08 },
	},
};

static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf,
			       const struct dvb_frontend_parameters *params)
{
	if (BANDWIDTH_7_MHZ == params->u.ofdm.bandwidth)
		buf[3] |= 0x10;
}

static struct dvb_pll_desc dvb_pll_thomson_dtt759x = {
	.name  = "Thomson dtt759x",
	.min   = 177000000,
	.max   = 896000000,
	.set   = thomson_dtt759x_bw,
	.iffreq= 36166667,
	.sleepdata = (u8[]){ 2, 0x84, 0x03 },
	.count = 5,
	.entries = {
		{  264000000, 166667, 0xb4, 0x02 },
		{  470000000, 166667, 0xbc, 0x02 },
		{  735000000, 166667, 0xbc, 0x08 },
		{  835000000, 166667, 0xf4, 0x08 },
		{  999999999, 166667, 0xfc, 0x08 },
	},
};

static struct dvb_pll_desc dvb_pll_lg_z201 = {
	.name  = "LG z201",
	.min   = 174000000,
	.max   = 862000000,
	.iffreq= 36166667,
	.sleepdata = (u8[]){ 2, 0xbc, 0x03 },
	.count = 5,
	.entries = {
		{  157500000, 166667, 0xbc, 0x01 },
		{  443250000, 166667, 0xbc, 0x02 },
		{  542000000, 166667, 0xbc, 0x04 },
		{  830000000, 166667, 0xf4, 0x04 },
		{  999999999, 166667, 0xfc, 0x04 },
	},
};

static struct dvb_pll_desc dvb_pll_unknown_1 = {
	.name  = "unknown 1", /* used by dntv live dvb-t */
	.min   = 174000000,
	.max   = 862000000,
	.iffreq= 36166667,
	.count = 9,
	.entries = {
		{  150000000, 166667, 0xb4, 0x01 },
		{  173000000, 166667, 0xbc, 0x01 },
		{  250000000, 166667, 0xb4, 0x02 },
		{  400000000, 166667, 0xbc, 0x02 },
		{  420000000, 166667, 0xf4, 0x02 },
		{  470000000, 166667, 0xfc, 0x02 },
		{  600000000, 166667, 0xbc, 0x08 },
		{  730000000, 166667, 0xf4, 0x08 },
		{  999999999, 166667, 0xfc, 0x08 },
	},
};

/* Infineon TUA6010XS
 * used in Thomson Cable Tuner
 */
static struct dvb_pll_desc dvb_pll_tua6010xs = {
	.name  = "Infineon TUA6010XS",
	.min   =  44250000,
	.max   = 858000000,
	.iffreq= 36125000,
	.count = 3,
	.entries = {
		{  115750000, 62500, 0x8e, 0x03 },
		{  403250000, 62500, 0x8e, 0x06 },
		{  999999999, 62500, 0x8e, 0x85 },
	},
};

/* Panasonic env57h1xd5 (some Philips PLL ?) */
static struct dvb_pll_desc dvb_pll_env57h1xd5 = {
	.name  = "Panasonic ENV57H1XD5",
	.min   =  44250000,
	.max   = 858000000,
	.iffreq= 36125000,
	.count = 4,
	.entries = {
		{  153000000, 166667, 0xc2, 0x41 },
		{  470000000, 166667, 0xc2, 0x42 },
		{  526000000, 166667, 0xc2, 0x84 },
		{  999999999, 166667, 0xc2, 0xa4 },
	},
};

/* Philips TDA6650/TDA6651
 * used in Panasonic ENV77H11D5
 */
static void tda665x_bw(struct dvb_frontend *fe, u8 *buf,
		       const struct dvb_frontend_parameters *params)
{
	if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
		buf[3] |= 0x08;
}

static struct dvb_pll_desc dvb_pll_tda665x = {
	.name  = "Philips TDA6650/TDA6651",
	.min   =  44250000,
	.max   = 858000000,
	.set   = tda665x_bw,
	.iffreq= 36166667,
	.initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab },
	.count = 12,
	.entries = {
		{   93834000, 166667, 0xca, 0x61 /* 011 0 0 0  01 */ },
		{  123834000, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
		{  161000000, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
		{  163834000, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
		{  253834000, 166667, 0xca, 0x62 /* 011 0 0 0  10 */ },
		{  383834000, 166667, 0xca, 0xa2 /* 101 0 0 0  10 */ },
		{  443834000, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
		{  444000000, 166667, 0xca, 0xc4 /* 110 0 0 1  00 */ },
		{  583834000, 166667, 0xca, 0x64 /* 011 0 0 1  00 */ },
		{  793834000, 166667, 0xca, 0xa4 /* 101 0 0 1  00 */ },
		{  444834000, 166667, 0xca, 0xc4 /* 110 0 0 1  00 */ },
		{  861000000, 166667, 0xca, 0xe4 /* 111 0 0 1  00 */ },
	}
};

/* Infineon TUA6034
 * used in LG TDTP E102P
 */
static void tua6034_bw(struct dvb_frontend *fe, u8 *buf,
		       const struct dvb_frontend_parameters *params)
{
	if (BANDWIDTH_7_MHZ != params->u.ofdm.bandwidth)
		buf[3] |= 0x08;
}

static struct dvb_pll_desc dvb_pll_tua6034 = {
	.name  = "Infineon TUA6034",
	.min   =  44250000,
	.max   = 858000000,
	.iffreq= 36166667,
	.count = 3,
	.set   = tua6034_bw,
	.entries = {
		{  174500000, 62500, 0xce, 0x01 },
		{  230000000, 62500, 0xce, 0x02 },
		{  999999999, 62500, 0xce, 0x04 },
	},
};

/* ALPS TDED4
 * used in Nebula-Cards and USB boxes
 */
static void tded4_bw(struct dvb_frontend *fe, u8 *buf,
		     const struct dvb_frontend_parameters *params)
{
	if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
		buf[3] |= 0x04;
}

static struct dvb_pll_desc dvb_pll_tded4 = {
	.name = "ALPS TDED4",
	.min = 47000000,
	.max = 863000000,
	.iffreq= 36166667,
	.set   = tded4_bw,
	.count = 4,
	.entries = {
		{ 153000000, 166667, 0x85, 0x01 },
		{ 470000000, 166667, 0x85, 0x02 },
		{ 823000000, 166667, 0x85, 0x08 },
		{ 999999999, 166667, 0x85, 0x88 },
	}
};

/* ALPS TDHU2
 * used in AverTVHD MCE A180
 */
static struct dvb_pll_desc dvb_pll_tdhu2 = {
	.name = "ALPS TDHU2",
	.min = 54000000,
	.max = 864000000,
	.iffreq= 44000000,
	.count = 4,
	.entries = {
		{ 162000000, 62500, 0x85, 0x01 },
		{ 426000000, 62500, 0x85, 0x02 },
		{ 782000000, 62500, 0x85, 0x08 },
		{ 999999999, 62500, 0x85, 0x88 },
	}
};

/* Samsung TBMV30111IN / TBMV30712IN1
 * used in Air2PC ATSC - 2nd generation (nxt2002)
 */
static struct dvb_pll_desc dvb_pll_samsung_tbmv = {
	.name = "Samsung TBMV30111IN / TBMV30712IN1",
	.min = 54000000,
	.max = 860000000,
	.iffreq= 44000000,
	.count = 6,
	.entries = {
		{ 172000000, 166667, 0xb4, 0x01 },
		{ 214000000, 166667, 0xb4, 0x02 },
		{ 467000000, 166667, 0xbc, 0x02 },
		{ 721000000, 166667, 0xbc, 0x08 },
		{ 841000000, 166667, 0xf4, 0x08 },
		{ 999999999, 166667, 0xfc, 0x02 },
	}
};

/*
 * Philips SD1878 Tuner.
 */
static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = {
	.name  = "Philips SD1878",
	.min   =  950000,
	.max   = 2150000,
	.iffreq= 249, /* zero-IF, offset 249 is to round up */
	.count = 4,
	.entries = {
		{ 1250000, 500, 0xc4, 0x00},
		{ 1550000, 500, 0xc4, 0x40},
		{ 2050000, 500, 0xc4, 0x80},
		{ 2150000, 500, 0xc4, 0xc0},
	},
};

static void opera1_bw(struct dvb_frontend *fe, u8 *buf,
		      const struct dvb_frontend_parameters *params)
{
	if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
		buf[2] |= 0x08;
}

static struct dvb_pll_desc dvb_pll_opera1 = {
	.name  = "Opera Tuner",
	.min   =  900000,
	.max   = 2250000,
	.iffreq= 0,