dvb-pll.c

linux内核源码

/*
 * 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 "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 = 0;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "enable verbose debug messages");

static unsigned int input[DVB_PLL_MAX] = { [ 0 ... (DVB_PLL_MAX-1) ] = 0 };
module_param_array(input, int, NULL, 0644);
MODULE_PARM_DESC(input,"specify rf input choice, 0 for autoselect (default)");

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                                                */

/* Set AGC TOP value to 103 dBuV:
	0x80 = Control Byte
	0x40 = 250 uA charge pump (irrelevant)
	0x18 = Aux Byte to follow
	0x06 = 64.5 kHz divider (irrelevant)
	0x01 = Disable Vt (aka sleep)

	0x00 = AGC Time constant 2s Iagc = 300 nA (vs 0x80 = 9 nA)
	0x50 = AGC Take over point = 103 dBuV */
static u8 tua603x_agc103[] = { 2, 0x80|0x40|0x18|0x06|0x01, 0x00|0x50 };

/*	0x04 = 166.67 kHz divider

	0x80 = AGC Time constant 50ms Iagc = 9 uA
	0x20 = AGC Take over point = 112 dBuV */
static u8 tua603x_agc112[] = { 2, 0x80|0x40|0x18|0x04|0x01, 0x80|0x20 };

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 struct dvb_pll_desc dvb_pll_thomson_dtt7610 = {
	.name  = "Thomson dtt7610",
	.min   =  44000000,
	.max   = 958000000,
	.iffreq= 44000000,
	.count = 3,
	.entries = {
		{ 157250000, 62500, 0x8e, 0x39 },
		{ 454000000, 62500, 0x8e, 0x3a },
		{ 999999999, 62500, 0x8e, 0x3c },
	},
};

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_microtune_4042 = {
	.name  = "Microtune 4042 FI5",
	.min   =  57000000,
	.max   = 858000000,
	.iffreq= 44000000,
	.count = 3,
	.entries = {
		{ 162000000, 62500, 0x8e, 0xa1 },
		{ 457000000, 62500, 0x8e, 0x91 },
		{ 999999999, 62500, 0x8e, 0x31 },
	},
};

static struct dvb_pll_desc dvb_pll_thomson_dtt761x = {
	/* DTT 7611 7611A 7612 7613 7613A 7614 7615 7615A */
	.name  = "Thomson dtt761x",
	.min   =  57000000,
	.max   = 863000000,
	.iffreq= 44000000,
	.count = 3,
	.initdata = tua603x_agc103,
	.entries = {
		{ 147000000, 62500, 0x8e, 0x39 },
		{ 417000000, 62500, 0x8e, 0x3a },
		{ 999999999, 62500, 0x8e, 0x3c },
	},
};

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 },
	},
};

/* Infineon TUA6034
 * used in LG TDVS-H061F, LG TDVS-H062F and LG TDVS-H064F
 */
static struct dvb_pll_desc dvb_pll_lg_tdvs_h06xf = {
	.name  = "LG TDVS-H06xF",
	.min   =  54000000,
	.max   = 863000000,
	.iffreq= 44000000,
	.initdata = tua603x_agc103,
	.count = 3,
	.entries = {
		{  165000000, 62500, 0xce, 0x01 },
		{  450000000, 62500, 0xce, 0x02 },
		{  999999999, 62500, 0xce, 0x04 },
	},
};

/* Philips FMD1216ME
 * used in Medion Hybrid PCMCIA card and USB Box
 */
static void fmd1216me_bw(struct dvb_frontend *fe, u8 *buf,
			 const struct dvb_frontend_parameters *params)
{
	if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ &&
	    params->frequency >= 158870000)
		buf[3] |= 0x08;
}

static struct dvb_pll_desc dvb_pll_fmd1216me = {
	.name = "Philips FMD1216ME",
	.min = 50870000,
	.max = 858000000,
	.iffreq= 36125000,
	.set   = fmd1216me_bw,
	.initdata = tua603x_agc112,
	.sleepdata = (u8[]){ 4, 0x9c, 0x60, 0x85, 0x54 },
	.count = 7,
	.entries = {
		{ 143870000, 166667, 0xbc, 0x41 },
		{ 158870000, 166667, 0xf4, 0x41 },
		{ 329870000, 166667, 0xbc, 0x42 },
		{ 441870000, 166667, 0xf4, 0x42 },
		{ 625870000, 166667, 0xbc, 0x44 },
		{ 803870000, 166667, 0xf4, 0x44 },
		{ 999999999, 166667, 0xfc, 0x44 },
	}
};

/* 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 },
	}
};

/* Philips TUV1236D
 * used in ATI HDTV Wonder
 */
static void tuv1236d_rf(struct dvb_frontend *fe, u8 *buf,
			const struct dvb_frontend_parameters *params)
{
	struct dvb_pll_priv *priv = fe->tuner_priv;
	unsigned int new_rf = input[priv->nr];

	if ((new_rf == 0) || (new_rf > 2)) {
		switch (params->u.vsb.modulation) {
			case QAM_64:
			case QAM_256:
				new_rf = 1;
				break;
			case VSB_8:
			default:
				new_rf = 2;
		}
	}

	switch (new_rf) {
		case 1:
			buf[3] |= 0x08;
			break;
		case 2:
			buf[3] &= ~0x08;
			break;
		default:
			printk(KERN_WARNING
			       "%s: unhandled rf input selection: %d",
			       __FUNCTION__, new_rf);
	}
}

static struct dvb_pll_desc dvb_pll_tuv1236d = {
	.name  = "Philips TUV1236D",
	.min   =  54000000,
	.max   = 864000000,
	.iffreq= 44000000,
	.set   = tuv1236d_rf,
	.count = 3,
	.entries = {
		{ 157250000, 62500, 0xc6, 0x41 },