2bfe031df6
Only devices using > 1 frontend were ported; ones which did not are left using static binding. Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net> Acked-by: Michael Krufky <mkrufky@linuxtv.org> Acked-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
653 lines
17 KiB
C
653 lines
17 KiB
C
/*
|
|
* descriptions + helper functions for simple dvb plls.
|
|
*
|
|
* (c) 2004 Gerd Knorr <kraxel@bytesex.org> [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"
|
|
|
|
/* ----------------------------------------------------------- */
|
|
/* descriptions */
|
|
|
|
struct dvb_pll_desc dvb_pll_thomson_dtt7579 = {
|
|
.name = "Thomson dtt7579",
|
|
.min = 177000000,
|
|
.max = 858000000,
|
|
.count = 5,
|
|
.entries = {
|
|
{ 0, 36166667, 166666, 0xb4, 0x03 }, /* go sleep */
|
|
{ 443250000, 36166667, 166666, 0xb4, 0x02 },
|
|
{ 542000000, 36166667, 166666, 0xb4, 0x08 },
|
|
{ 771000000, 36166667, 166666, 0xbc, 0x08 },
|
|
{ 999999999, 36166667, 166666, 0xf4, 0x08 },
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_thomson_dtt7579);
|
|
|
|
struct dvb_pll_desc dvb_pll_thomson_dtt7610 = {
|
|
.name = "Thomson dtt7610",
|
|
.min = 44000000,
|
|
.max = 958000000,
|
|
.count = 3,
|
|
.entries = {
|
|
{ 157250000, 44000000, 62500, 0x8e, 0x39 },
|
|
{ 454000000, 44000000, 62500, 0x8e, 0x3a },
|
|
{ 999999999, 44000000, 62500, 0x8e, 0x3c },
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_thomson_dtt7610);
|
|
|
|
static void thomson_dtt759x_bw(u8 *buf, u32 freq, int bandwidth)
|
|
{
|
|
if (BANDWIDTH_7_MHZ == bandwidth)
|
|
buf[3] |= 0x10;
|
|
}
|
|
|
|
struct dvb_pll_desc dvb_pll_thomson_dtt759x = {
|
|
.name = "Thomson dtt759x",
|
|
.min = 177000000,
|
|
.max = 896000000,
|
|
.setbw = thomson_dtt759x_bw,
|
|
.count = 6,
|
|
.entries = {
|
|
{ 0, 36166667, 166666, 0x84, 0x03 },
|
|
{ 264000000, 36166667, 166666, 0xb4, 0x02 },
|
|
{ 470000000, 36166667, 166666, 0xbc, 0x02 },
|
|
{ 735000000, 36166667, 166666, 0xbc, 0x08 },
|
|
{ 835000000, 36166667, 166666, 0xf4, 0x08 },
|
|
{ 999999999, 36166667, 166666, 0xfc, 0x08 },
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_thomson_dtt759x);
|
|
|
|
struct dvb_pll_desc dvb_pll_lg_z201 = {
|
|
.name = "LG z201",
|
|
.min = 174000000,
|
|
.max = 862000000,
|
|
.count = 6,
|
|
.entries = {
|
|
{ 0, 36166667, 166666, 0xbc, 0x03 },
|
|
{ 157500000, 36166667, 166666, 0xbc, 0x01 },
|
|
{ 443250000, 36166667, 166666, 0xbc, 0x02 },
|
|
{ 542000000, 36166667, 166666, 0xbc, 0x04 },
|
|
{ 830000000, 36166667, 166666, 0xf4, 0x04 },
|
|
{ 999999999, 36166667, 166666, 0xfc, 0x04 },
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_lg_z201);
|
|
|
|
struct dvb_pll_desc dvb_pll_microtune_4042 = {
|
|
.name = "Microtune 4042 FI5",
|
|
.min = 57000000,
|
|
.max = 858000000,
|
|
.count = 3,
|
|
.entries = {
|
|
{ 162000000, 44000000, 62500, 0x8e, 0xa1 },
|
|
{ 457000000, 44000000, 62500, 0x8e, 0x91 },
|
|
{ 999999999, 44000000, 62500, 0x8e, 0x31 },
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_microtune_4042);
|
|
|
|
struct dvb_pll_desc dvb_pll_thomson_dtt761x = {
|
|
/* DTT 7611 7611A 7612 7613 7613A 7614 7615 7615A */
|
|
.name = "Thomson dtt761x",
|
|
.min = 57000000,
|
|
.max = 863000000,
|
|
.count = 3,
|
|
.entries = {
|
|
{ 147000000, 44000000, 62500, 0x8e, 0x39 },
|
|
{ 417000000, 44000000, 62500, 0x8e, 0x3a },
|
|
{ 999999999, 44000000, 62500, 0x8e, 0x3c },
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_thomson_dtt761x);
|
|
|
|
struct dvb_pll_desc dvb_pll_unknown_1 = {
|
|
.name = "unknown 1", /* used by dntv live dvb-t */
|
|
.min = 174000000,
|
|
.max = 862000000,
|
|
.count = 9,
|
|
.entries = {
|
|
{ 150000000, 36166667, 166666, 0xb4, 0x01 },
|
|
{ 173000000, 36166667, 166666, 0xbc, 0x01 },
|
|
{ 250000000, 36166667, 166666, 0xb4, 0x02 },
|
|
{ 400000000, 36166667, 166666, 0xbc, 0x02 },
|
|
{ 420000000, 36166667, 166666, 0xf4, 0x02 },
|
|
{ 470000000, 36166667, 166666, 0xfc, 0x02 },
|
|
{ 600000000, 36166667, 166666, 0xbc, 0x08 },
|
|
{ 730000000, 36166667, 166666, 0xf4, 0x08 },
|
|
{ 999999999, 36166667, 166666, 0xfc, 0x08 },
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_unknown_1);
|
|
|
|
/* Infineon TUA6010XS
|
|
* used in Thomson Cable Tuner
|
|
*/
|
|
struct dvb_pll_desc dvb_pll_tua6010xs = {
|
|
.name = "Infineon TUA6010XS",
|
|
.min = 44250000,
|
|
.max = 858000000,
|
|
.count = 3,
|
|
.entries = {
|
|
{ 115750000, 36125000, 62500, 0x8e, 0x03 },
|
|
{ 403250000, 36125000, 62500, 0x8e, 0x06 },
|
|
{ 999999999, 36125000, 62500, 0x8e, 0x85 },
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_tua6010xs);
|
|
|
|
/* Panasonic env57h1xd5 (some Philips PLL ?) */
|
|
struct dvb_pll_desc dvb_pll_env57h1xd5 = {
|
|
.name = "Panasonic ENV57H1XD5",
|
|
.min = 44250000,
|
|
.max = 858000000,
|
|
.count = 4,
|
|
.entries = {
|
|
{ 153000000, 36291666, 166666, 0xc2, 0x41 },
|
|
{ 470000000, 36291666, 166666, 0xc2, 0x42 },
|
|
{ 526000000, 36291666, 166666, 0xc2, 0x84 },
|
|
{ 999999999, 36291666, 166666, 0xc2, 0xa4 },
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_env57h1xd5);
|
|
|
|
/* Philips TDA6650/TDA6651
|
|
* used in Panasonic ENV77H11D5
|
|
*/
|
|
static void tda665x_bw(u8 *buf, u32 freq, int bandwidth)
|
|
{
|
|
if (bandwidth == BANDWIDTH_8_MHZ)
|
|
buf[3] |= 0x08;
|
|
}
|
|
|
|
struct dvb_pll_desc dvb_pll_tda665x = {
|
|
.name = "Philips TDA6650/TDA6651",
|
|
.min = 44250000,
|
|
.max = 858000000,
|
|
.setbw = tda665x_bw,
|
|
.count = 12,
|
|
.entries = {
|
|
{ 93834000, 36249333, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ },
|
|
{ 123834000, 36249333, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ },
|
|
{ 161000000, 36249333, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ },
|
|
{ 163834000, 36249333, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ },
|
|
{ 253834000, 36249333, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ },
|
|
{ 383834000, 36249333, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ },
|
|
{ 443834000, 36249333, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ },
|
|
{ 444000000, 36249333, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ },
|
|
{ 583834000, 36249333, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ },
|
|
{ 793834000, 36249333, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ },
|
|
{ 444834000, 36249333, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ },
|
|
{ 861000000, 36249333, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ },
|
|
}
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_tda665x);
|
|
|
|
/* Infineon TUA6034
|
|
* used in LG TDTP E102P
|
|
*/
|
|
static void tua6034_bw(u8 *buf, u32 freq, int bandwidth)
|
|
{
|
|
if (BANDWIDTH_7_MHZ != bandwidth)
|
|
buf[3] |= 0x08;
|
|
}
|
|
|
|
struct dvb_pll_desc dvb_pll_tua6034 = {
|
|
.name = "Infineon TUA6034",
|
|
.min = 44250000,
|
|
.max = 858000000,
|
|
.count = 3,
|
|
.setbw = tua6034_bw,
|
|
.entries = {
|
|
{ 174500000, 36166667, 62500, 0xce, 0x01 },
|
|
{ 230000000, 36166667, 62500, 0xce, 0x02 },
|
|
{ 999999999, 36166667, 62500, 0xce, 0x04 },
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_tua6034);
|
|
|
|
/* Infineon TUA6034
|
|
* used in LG TDVS-H061F, LG TDVS-H062F and LG TDVS-H064F
|
|
*/
|
|
struct dvb_pll_desc dvb_pll_lg_tdvs_h06xf = {
|
|
.name = "LG TDVS-H06xF",
|
|
.min = 54000000,
|
|
.max = 863000000,
|
|
.count = 3,
|
|
.entries = {
|
|
{ 165000000, 44000000, 62500, 0xce, 0x01 },
|
|
{ 450000000, 44000000, 62500, 0xce, 0x02 },
|
|
{ 999999999, 44000000, 62500, 0xce, 0x04 },
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_lg_tdvs_h06xf);
|
|
|
|
/* Philips FMD1216ME
|
|
* used in Medion Hybrid PCMCIA card and USB Box
|
|
*/
|
|
static void fmd1216me_bw(u8 *buf, u32 freq, int bandwidth)
|
|
{
|
|
if (bandwidth == BANDWIDTH_8_MHZ && freq >= 158870000)
|
|
buf[3] |= 0x08;
|
|
}
|
|
|
|
struct dvb_pll_desc dvb_pll_fmd1216me = {
|
|
.name = "Philips FMD1216ME",
|
|
.min = 50870000,
|
|
.max = 858000000,
|
|
.setbw = fmd1216me_bw,
|
|
.count = 7,
|
|
.entries = {
|
|
{ 143870000, 36213333, 166667, 0xbc, 0x41 },
|
|
{ 158870000, 36213333, 166667, 0xf4, 0x41 },
|
|
{ 329870000, 36213333, 166667, 0xbc, 0x42 },
|
|
{ 441870000, 36213333, 166667, 0xf4, 0x42 },
|
|
{ 625870000, 36213333, 166667, 0xbc, 0x44 },
|
|
{ 803870000, 36213333, 166667, 0xf4, 0x44 },
|
|
{ 999999999, 36213333, 166667, 0xfc, 0x44 },
|
|
}
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_fmd1216me);
|
|
|
|
/* ALPS TDED4
|
|
* used in Nebula-Cards and USB boxes
|
|
*/
|
|
static void tded4_bw(u8 *buf, u32 freq, int bandwidth)
|
|
{
|
|
if (bandwidth == BANDWIDTH_8_MHZ)
|
|
buf[3] |= 0x04;
|
|
}
|
|
|
|
struct dvb_pll_desc dvb_pll_tded4 = {
|
|
.name = "ALPS TDED4",
|
|
.min = 47000000,
|
|
.max = 863000000,
|
|
.setbw = tded4_bw,
|
|
.count = 4,
|
|
.entries = {
|
|
{ 153000000, 36166667, 166667, 0x85, 0x01 },
|
|
{ 470000000, 36166667, 166667, 0x85, 0x02 },
|
|
{ 823000000, 36166667, 166667, 0x85, 0x08 },
|
|
{ 999999999, 36166667, 166667, 0x85, 0x88 },
|
|
}
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_tded4);
|
|
|
|
/* ALPS TDHU2
|
|
* used in AverTVHD MCE A180
|
|
*/
|
|
struct dvb_pll_desc dvb_pll_tdhu2 = {
|
|
.name = "ALPS TDHU2",
|
|
.min = 54000000,
|
|
.max = 864000000,
|
|
.count = 4,
|
|
.entries = {
|
|
{ 162000000, 44000000, 62500, 0x85, 0x01 },
|
|
{ 426000000, 44000000, 62500, 0x85, 0x02 },
|
|
{ 782000000, 44000000, 62500, 0x85, 0x08 },
|
|
{ 999999999, 44000000, 62500, 0x85, 0x88 },
|
|
}
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_tdhu2);
|
|
|
|
/* Philips TUV1236D
|
|
* used in ATI HDTV Wonder
|
|
*/
|
|
struct dvb_pll_desc dvb_pll_tuv1236d = {
|
|
.name = "Philips TUV1236D",
|
|
.min = 54000000,
|
|
.max = 864000000,
|
|
.count = 3,
|
|
.entries = {
|
|
{ 157250000, 44000000, 62500, 0xc6, 0x41 },
|
|
{ 454000000, 44000000, 62500, 0xc6, 0x42 },
|
|
{ 999999999, 44000000, 62500, 0xc6, 0x44 },
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_tuv1236d);
|
|
|
|
/* Samsung TBMV30111IN / TBMV30712IN1
|
|
* used in Air2PC ATSC - 2nd generation (nxt2002)
|
|
*/
|
|
struct dvb_pll_desc dvb_pll_samsung_tbmv = {
|
|
.name = "Samsung TBMV30111IN / TBMV30712IN1",
|
|
.min = 54000000,
|
|
.max = 860000000,
|
|
.count = 6,
|
|
.entries = {
|
|
{ 172000000, 44000000, 166666, 0xb4, 0x01 },
|
|
{ 214000000, 44000000, 166666, 0xb4, 0x02 },
|
|
{ 467000000, 44000000, 166666, 0xbc, 0x02 },
|
|
{ 721000000, 44000000, 166666, 0xbc, 0x08 },
|
|
{ 841000000, 44000000, 166666, 0xf4, 0x08 },
|
|
{ 999999999, 44000000, 166666, 0xfc, 0x02 },
|
|
}
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_samsung_tbmv);
|
|
|
|
/*
|
|
* Philips SD1878 Tuner.
|
|
*/
|
|
struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = {
|
|
.name = "Philips SD1878",
|
|
.min = 950000,
|
|
.max = 2150000,
|
|
.count = 4,
|
|
.entries = {
|
|
{ 1250000, 499, 500, 0xc4, 0x00},
|
|
{ 1550000, 499, 500, 0xc4, 0x40},
|
|
{ 2050000, 499, 500, 0xc4, 0x80},
|
|
{ 2150000, 499, 500, 0xc4, 0xc0},
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_philips_sd1878_tda8261);
|
|
|
|
/*
|
|
* Philips TD1316 Tuner.
|
|
*/
|
|
static void td1316_bw(u8 *buf, u32 freq, int bandwidth)
|
|
{
|
|
u8 band;
|
|
|
|
/* determine band */
|
|
if (freq < 161000000)
|
|
band = 1;
|
|
else if (freq < 444000000)
|
|
band = 2;
|
|
else
|
|
band = 4;
|
|
|
|
buf[3] |= band;
|
|
|
|
/* setup PLL filter */
|
|
if (bandwidth == BANDWIDTH_8_MHZ)
|
|
buf[3] |= 1 << 3;
|
|
}
|
|
|
|
struct dvb_pll_desc dvb_pll_philips_td1316 = {
|
|
.name = "Philips TD1316",
|
|
.min = 87000000,
|
|
.max = 895000000,
|
|
.setbw = td1316_bw,
|
|
.count = 9,
|
|
.entries = {
|
|
{ 93834000, 36166000, 166666, 0xca, 0x60},
|
|
{ 123834000, 36166000, 166666, 0xca, 0xa0},
|
|
{ 163834000, 36166000, 166666, 0xca, 0xc0},
|
|
{ 253834000, 36166000, 166666, 0xca, 0x60},
|
|
{ 383834000, 36166000, 166666, 0xca, 0xa0},
|
|
{ 443834000, 36166000, 166666, 0xca, 0xc0},
|
|
{ 583834000, 36166000, 166666, 0xca, 0x60},
|
|
{ 793834000, 36166000, 166666, 0xca, 0xa0},
|
|
{ 858834000, 36166000, 166666, 0xca, 0xe0},
|
|
},
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_philips_td1316);
|
|
|
|
/* FE6600 used on DViCO Hybrid */
|
|
struct dvb_pll_desc dvb_pll_thomson_fe6600 = {
|
|
.name = "Thomson FE6600",
|
|
.min = 44250000,
|
|
.max = 858000000,
|
|
.count = 4,
|
|
.entries = {
|
|
{ 250000000, 36213333, 166667, 0xb4, 0x12 },
|
|
{ 455000000, 36213333, 166667, 0xfe, 0x11 },
|
|
{ 775500000, 36213333, 166667, 0xbc, 0x18 },
|
|
{ 999999999, 36213333, 166667, 0xf4, 0x18 },
|
|
}
|
|
};
|
|
EXPORT_SYMBOL(dvb_pll_thomson_fe6600);
|
|
|
|
struct dvb_pll_priv {
|
|
/* 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;
|
|
};
|
|
|
|
/* ----------------------------------------------------------- */
|
|
/* code */
|
|
|
|
static int debug = 0;
|
|
module_param(debug, int, 0644);
|
|
MODULE_PARM_DESC(debug, "enable verbose debug messages");
|
|
|
|
int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
|
|
u32 freq, int bandwidth)
|
|
{
|
|
u32 div;
|
|
int i;
|
|
|
|
if (freq != 0 && (freq < desc->min || freq > desc->max))
|
|
return -EINVAL;
|
|
|
|
for (i = 0; i < desc->count; i++) {
|
|
if (freq > desc->entries[i].limit)
|
|
continue;
|
|
break;
|
|
}
|
|
if (debug)
|
|
printk("pll: %s: freq=%d bw=%d | i=%d/%d\n",
|
|
desc->name, freq, bandwidth, i, desc->count);
|
|
if (i == desc->count)
|
|
return -EINVAL;
|
|
|
|
div = (freq + desc->entries[i].offset) / desc->entries[i].stepsize;
|
|
buf[0] = div >> 8;
|
|
buf[1] = div & 0xff;
|
|
buf[2] = desc->entries[i].config;
|
|
buf[3] = desc->entries[i].cb;
|
|
|
|
if (desc->setbw)
|
|
desc->setbw(buf, freq, bandwidth);
|
|
|
|
if (debug)
|
|
printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
|
|
desc->name, div, buf[0], buf[1], buf[2], buf[3]);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(dvb_pll_configure);
|
|
|
|
static int dvb_pll_release(struct dvb_frontend *fe)
|
|
{
|
|
if (fe->tuner_priv)
|
|
kfree(fe->tuner_priv);
|
|
fe->tuner_priv = NULL;
|
|
return 0;
|
|
}
|
|
|
|
static int dvb_pll_sleep(struct dvb_frontend *fe)
|
|
{
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
u8 buf[4];
|
|
struct i2c_msg msg =
|
|
{ .addr = priv->pll_i2c_address, .flags = 0, .buf = buf, .len = sizeof(buf) };
|
|
int i;
|
|
int result;
|
|
|
|
for (i = 0; i < priv->pll_desc->count; i++) {
|
|
if (priv->pll_desc->entries[i].limit == 0)
|
|
break;
|
|
}
|
|
if (i == priv->pll_desc->count)
|
|
return 0;
|
|
|
|
buf[0] = 0;
|
|
buf[1] = 0;
|
|
buf[2] = priv->pll_desc->entries[i].config;
|
|
buf[3] = priv->pll_desc->entries[i].cb;
|
|
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 1);
|
|
if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
|
|
return result;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dvb_pll_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
|
|
{
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
u8 buf[4];
|
|
struct i2c_msg msg =
|
|
{ .addr = priv->pll_i2c_address, .flags = 0, .buf = buf, .len = sizeof(buf) };
|
|
int result;
|
|
u32 div;
|
|
int i;
|
|
u32 bandwidth = 0;
|
|
|
|
if (priv->i2c == NULL)
|
|
return -EINVAL;
|
|
|
|
// DVBT bandwidth only just now
|
|
if (fe->ops.info.type == FE_OFDM) {
|
|
bandwidth = params->u.ofdm.bandwidth;
|
|
}
|
|
|
|
if ((result = dvb_pll_configure(priv->pll_desc, buf, params->frequency, bandwidth)) != 0)
|
|
return result;
|
|
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 1);
|
|
if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
|
|
return result;
|
|
}
|
|
|
|
// calculate the frequency we set it to
|
|
for (i = 0; i < priv->pll_desc->count; i++) {
|
|
if (params->frequency > priv->pll_desc->entries[i].limit)
|
|
continue;
|
|
break;
|
|
}
|
|
div = (params->frequency + priv->pll_desc->entries[i].offset) / priv->pll_desc->entries[i].stepsize;
|
|
priv->frequency = (div * priv->pll_desc->entries[i].stepsize) - priv->pll_desc->entries[i].offset;
|
|
priv->bandwidth = bandwidth;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dvb_pll_calc_regs(struct dvb_frontend *fe, struct dvb_frontend_parameters *params, u8 *buf, int buf_len)
|
|
{
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
int result;
|
|
u32 div;
|
|
int i;
|
|
u32 bandwidth = 0;
|
|
|
|
if (buf_len < 5)
|
|
return -EINVAL;
|
|
|
|
// DVBT bandwidth only just now
|
|
if (fe->ops.info.type == FE_OFDM) {
|
|
bandwidth = params->u.ofdm.bandwidth;
|
|
}
|
|
|
|
if ((result = dvb_pll_configure(priv->pll_desc, buf+1, params->frequency, bandwidth)) != 0)
|
|
return result;
|
|
buf[0] = priv->pll_i2c_address;
|
|
|
|
// calculate the frequency we set it to
|
|
for (i = 0; i < priv->pll_desc->count; i++) {
|
|
if (params->frequency > priv->pll_desc->entries[i].limit)
|
|
continue;
|
|
break;
|
|
}
|
|
div = (params->frequency + priv->pll_desc->entries[i].offset) / priv->pll_desc->entries[i].stepsize;
|
|
priv->frequency = (div * priv->pll_desc->entries[i].stepsize) - priv->pll_desc->entries[i].offset;
|
|
priv->bandwidth = bandwidth;
|
|
|
|
return 5;
|
|
}
|
|
|
|
static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency)
|
|
{
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
*frequency = priv->frequency;
|
|
return 0;
|
|
}
|
|
|
|
static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
|
|
{
|
|
struct dvb_pll_priv *priv = fe->tuner_priv;
|
|
*bandwidth = priv->bandwidth;
|
|
return 0;
|
|
}
|
|
|
|
static struct dvb_tuner_ops dvb_pll_tuner_ops = {
|
|
.release = dvb_pll_release,
|
|
.sleep = dvb_pll_sleep,
|
|
.set_params = dvb_pll_set_params,
|
|
.calc_regs = dvb_pll_calc_regs,
|
|
.get_frequency = dvb_pll_get_frequency,
|
|
.get_bandwidth = dvb_pll_get_bandwidth,
|
|
};
|
|
|
|
struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2c, struct dvb_pll_desc *desc)
|
|
{
|
|
u8 b1 [] = { 0 };
|
|
struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, .buf = b1, .len = 1 };
|
|
struct dvb_pll_priv *priv = NULL;
|
|
int ret;
|
|
|
|
if (i2c != NULL) {
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 1);
|
|
|
|
ret = i2c_transfer (i2c, &msg, 1);
|
|
if (ret != 1)
|
|
return NULL;
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 0);
|
|
}
|
|
|
|
priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL);
|
|
if (priv == NULL)
|
|
return NULL;
|
|
|
|
priv->pll_i2c_address = pll_addr;
|
|
priv->i2c = i2c;
|
|
priv->pll_desc = desc;
|
|
|
|
memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, sizeof(struct dvb_tuner_ops));
|
|
strncpy(fe->ops.tuner_ops.info.name, desc->name, 128);
|
|
fe->ops.tuner_ops.info.frequency_min = desc->min;
|
|
fe->ops.tuner_ops.info.frequency_min = desc->max;
|
|
|
|
fe->tuner_priv = priv;
|
|
return fe;
|
|
}
|
|
EXPORT_SYMBOL(dvb_pll_attach);
|
|
|
|
MODULE_DESCRIPTION("dvb pll library");
|
|
MODULE_AUTHOR("Gerd Knorr");
|
|
MODULE_LICENSE("GPL");
|