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linux-stable/drivers/media/dvb-frontends/dvb-pll.c
Thomas Gleixner c942fddf87 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 
Based on 3 normalized pattern(s):

  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

  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 [author] [kishon] [vijay] [abraham]
  [i] [kishon]@[ti] [com] 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

  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 [author] [graeme] [gregory]
  [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
  [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
  [hk] [hemahk]@[ti] [com] 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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1105 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:37 -07:00

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* descriptions + helper functions for simple dvb plls.
*
* (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/dvb/frontend.h>
#include <asm/types.h>
#include "dvb-pll.h"
#define dprintk(fmt, arg...) \
printk(KERN_DEBUG pr_fmt("%s: " fmt), __func__, ##arg)
struct dvb_pll_priv {
/* pll number */
int nr;
/* i2c details */
int pll_i2c_address;
struct i2c_adapter *i2c;
/* the PLL descriptor */
const 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 {
const char *name;
u32 min;
u32 max;
u32 iffreq;
void (*set)(struct dvb_frontend *fe, u8 *buf);
u8 *initdata;
u8 *initdata2;
u8 *sleepdata;
int count;
struct {
u32 limit;
u32 stepsize;
u8 config;
u8 cb;
} entries[];
};
/* ----------------------------------------------------------- */
/* descriptions */
static const struct dvb_pll_desc dvb_pll_thomson_dtt7579 = {
.name = "Thomson dtt7579",
.min = 177 * MHz,
.max = 858 * MHz,
.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)
{
u32 bw = fe->dtv_property_cache.bandwidth_hz;
if (bw == 7000000)
buf[3] |= 0x10;
}
static const struct dvb_pll_desc dvb_pll_thomson_dtt759x = {
.name = "Thomson dtt759x",
.min = 177 * MHz,
.max = 896 * MHz,
.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 void thomson_dtt7520x_bw(struct dvb_frontend *fe, u8 *buf)
{
u32 bw = fe->dtv_property_cache.bandwidth_hz;
if (bw == 8000000)
buf[3] ^= 0x10;
}
static const struct dvb_pll_desc dvb_pll_thomson_dtt7520x = {
.name = "Thomson dtt7520x",
.min = 185 * MHz,
.max = 900 * MHz,
.set = thomson_dtt7520x_bw,
.iffreq = 36166667,
.count = 7,
.entries = {
{ 305000000, 166667, 0xb4, 0x12 },
{ 405000000, 166667, 0xbc, 0x12 },
{ 445000000, 166667, 0xbc, 0x12 },
{ 465000000, 166667, 0xf4, 0x18 },
{ 735000000, 166667, 0xfc, 0x18 },
{ 835000000, 166667, 0xbc, 0x18 },
{ 999999999, 166667, 0xfc, 0x18 },
},
};
static const struct dvb_pll_desc dvb_pll_lg_z201 = {
.name = "LG z201",
.min = 174 * MHz,
.max = 862 * MHz,
.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 const struct dvb_pll_desc dvb_pll_unknown_1 = {
.name = "unknown 1", /* used by dntv live dvb-t */
.min = 174 * MHz,
.max = 862 * MHz,
.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 const struct dvb_pll_desc dvb_pll_tua6010xs = {
.name = "Infineon TUA6010XS",
.min = 44250 * kHz,
.max = 858 * MHz,
.iffreq= 36125000,
.count = 3,
.entries = {
{ 115750000, 62500, 0x8e, 0x03 },
{ 403250000, 62500, 0x8e, 0x06 },
{ 999999999, 62500, 0x8e, 0x85 },
},
};
/* Panasonic env57h1xd5 (some Philips PLL ?) */
static const struct dvb_pll_desc dvb_pll_env57h1xd5 = {
.name = "Panasonic ENV57H1XD5",
.min = 44250 * kHz,
.max = 858 * MHz,
.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)
{
u32 bw = fe->dtv_property_cache.bandwidth_hz;
if (bw == 8000000)
buf[3] |= 0x08;
}
static const struct dvb_pll_desc dvb_pll_tda665x = {
.name = "Philips TDA6650/TDA6651",
.min = 44250 * kHz,
.max = 858 * MHz,
.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)
{
u32 bw = fe->dtv_property_cache.bandwidth_hz;
if (bw == 7000000)
buf[3] |= 0x08;
}
static const struct dvb_pll_desc dvb_pll_tua6034 = {
.name = "Infineon TUA6034",
.min = 44250 * kHz,
.max = 858 * MHz,
.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)
{
u32 bw = fe->dtv_property_cache.bandwidth_hz;
if (bw == 8000000)
buf[3] |= 0x04;
}
static const struct dvb_pll_desc dvb_pll_tded4 = {
.name = "ALPS TDED4",
.min = 47 * MHz,
.max = 863 * MHz,
.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 const struct dvb_pll_desc dvb_pll_tdhu2 = {
.name = "ALPS TDHU2",
.min = 54 * MHz,
.max = 864 * MHz,
.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 const struct dvb_pll_desc dvb_pll_samsung_tbmv = {
.name = "Samsung TBMV30111IN / TBMV30712IN1",
.min = 54 * MHz,
.max = 860 * MHz,
.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 const struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = {
.name = "Philips SD1878",
.min = 950 * MHz,
.max = 2150 * MHz,
.iffreq= 249, /* zero-IF, offset 249 is to round up */
.count = 4,
.entries = {
{ 1250000, 500, 0xc4, 0x00},
{ 1450000, 500, 0xc4, 0x40},
{ 2050000, 500, 0xc4, 0x80},
{ 2150000, 500, 0xc4, 0xc0},
},
};
static void opera1_bw(struct dvb_frontend *fe, u8 *buf)
{
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct dvb_pll_priv *priv = fe->tuner_priv;
u32 b_w = (c->symbol_rate * 27) / 32000;
struct i2c_msg msg = {
.addr = priv->pll_i2c_address,
.flags = 0,
.buf = buf,
.len = 4
};
int result;
u8 lpf;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
result = i2c_transfer(priv->i2c, &msg, 1);
if (result != 1)
pr_err("%s: i2c_transfer failed:%d",
__func__, result);
if (b_w <= 10000)
lpf = 0xc;
else if (b_w <= 12000)
lpf = 0x2;
else if (b_w <= 14000)
lpf = 0xa;
else if (b_w <= 16000)
lpf = 0x6;
else if (b_w <= 18000)
lpf = 0xe;
else if (b_w <= 20000)
lpf = 0x1;
else if (b_w <= 22000)
lpf = 0x9;
else if (b_w <= 24000)
lpf = 0x5;
else if (b_w <= 26000)
lpf = 0xd;
else if (b_w <= 28000)
lpf = 0x3;
else
lpf = 0xb;
buf[2] ^= 0x1c; /* Flip bits 3-5 */
/* Set lpf */
buf[2] |= ((lpf >> 2) & 0x3) << 3;
buf[3] |= (lpf & 0x3) << 2;
return;
}
static const struct dvb_pll_desc dvb_pll_opera1 = {
.name = "Opera Tuner",
.min = 900 * MHz,
.max = 2250 * MHz,
.initdata = (u8[]){ 4, 0x08, 0xe5, 0xe1, 0x00 },
.initdata2 = (u8[]){ 4, 0x08, 0xe5, 0xe5, 0x00 },
.iffreq= 0,
.set = opera1_bw,
.count = 8,
.entries = {
{ 1064000, 500, 0xf9, 0xc2 },
{ 1169000, 500, 0xf9, 0xe2 },
{ 1299000, 500, 0xf9, 0x20 },
{ 1444000, 500, 0xf9, 0x40 },
{ 1606000, 500, 0xf9, 0x60 },
{ 1777000, 500, 0xf9, 0x80 },
{ 1941000, 500, 0xf9, 0xa0 },
{ 2250000, 500, 0xf9, 0xc0 },
}
};
static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf)
{
struct dvb_pll_priv *priv = fe->tuner_priv;
struct i2c_msg msg = {
.addr = priv->pll_i2c_address,
.flags = 0,
.buf = buf,
.len = 4
};
int result;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
result = i2c_transfer(priv->i2c, &msg, 1);
if (result != 1)
pr_err("%s: i2c_transfer failed:%d",
__func__, result);
buf[2] = 0x9e;
buf[3] = 0x90;
return;
}
/* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */
static const struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = {
.name = "Samsung DTOS403IH102A",
.min = 44250 * kHz,
.max = 858 * MHz,
.iffreq = 36125000,
.count = 8,
.set = samsung_dtos403ih102a_set,
.entries = {
{ 135000000, 62500, 0xbe, 0x01 },
{ 177000000, 62500, 0xf6, 0x01 },
{ 370000000, 62500, 0xbe, 0x02 },
{ 450000000, 62500, 0xf6, 0x02 },
{ 466000000, 62500, 0xfe, 0x02 },
{ 538000000, 62500, 0xbe, 0x08 },
{ 826000000, 62500, 0xf6, 0x08 },
{ 999999999, 62500, 0xfe, 0x08 },
}
};
/* Samsung TDTC9251DH0 DVB-T NIM, as used on AirStar 2 */
static const struct dvb_pll_desc dvb_pll_samsung_tdtc9251dh0 = {
.name = "Samsung TDTC9251DH0",
.min = 48 * MHz,
.max = 863 * MHz,
.iffreq = 36166667,
.count = 3,
.entries = {
{ 157500000, 166667, 0xcc, 0x09 },
{ 443000000, 166667, 0xcc, 0x0a },
{ 863000000, 166667, 0xcc, 0x08 },
}
};
/* Samsung TBDU18132 DVB-S NIM with TSA5059 PLL, used in SkyStar2 DVB-S 2.3 */
static const struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = {
.name = "Samsung TBDU18132",
.min = 950 * MHz,
.max = 2150 * MHz, /* guesses */
.iffreq = 0,
.count = 2,
.entries = {
{ 1550000, 125, 0x84, 0x82 },
{ 4095937, 125, 0x84, 0x80 },
}
/* TSA5059 PLL has a 17 bit divisor rather than the 15 bits supported
* by this driver. The two extra bits are 0x60 in the third byte. 15
* bits is enough for over 4 GHz, which is enough to cover the range
* of this tuner. We could use the additional divisor bits by adding
* more entries, e.g.
{ 0x0ffff * 125 + 125/2, 125, 0x84 | 0x20, },
{ 0x17fff * 125 + 125/2, 125, 0x84 | 0x40, },
{ 0x1ffff * 125 + 125/2, 125, 0x84 | 0x60, }, */
};
/* Samsung TBMU24112 DVB-S NIM with SL1935 zero-IF tuner */
static const struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = {
.name = "Samsung TBMU24112",
.min = 950 * MHz,
.max = 2150 * MHz, /* guesses */
.iffreq = 0,
.count = 2,
.entries = {
{ 1500000, 125, 0x84, 0x18 },
{ 9999999, 125, 0x84, 0x08 },
}
};
/* Alps TDEE4 DVB-C NIM, used on Cablestar 2 */
/* byte 4 : 1 * * AGD R3 R2 R1 R0
* byte 5 : C1 * RE RTS BS4 BS3 BS2 BS1
* AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95
* Range(MHz) C1 * RE RTS BS4 BS3 BS2 BS1 Byte 5
* 47 - 153 0 * 0 0 0 0 0 1 0x01
* 153 - 430 0 * 0 0 0 0 1 0 0x02
* 430 - 822 0 * 0 0 1 0 0 0 0x08
* 822 - 862 1 * 0 0 1 0 0 0 0x88 */
static const struct dvb_pll_desc dvb_pll_alps_tdee4 = {
.name = "ALPS TDEE4",
.min = 47 * MHz,
.max = 862 * MHz,
.iffreq = 36125000,
.count = 4,
.entries = {
{ 153000000, 62500, 0x95, 0x01 },
{ 430000000, 62500, 0x95, 0x02 },
{ 822000000, 62500, 0x95, 0x08 },
{ 999999999, 62500, 0x95, 0x88 },
}
};
/* Infineon TUA6034 ISDB-T, used in Friio */
/* CP cur. 50uA, AGC takeover: 103dBuV, PORT3 on */
static const struct dvb_pll_desc dvb_pll_tua6034_friio = {
.name = "Infineon TUA6034 ISDB-T (Friio)",
.min = 90 * MHz,
.max = 770 * MHz,
.iffreq = 57000000,
.initdata = (u8[]){ 4, 0x9a, 0x50, 0xb2, 0x08 },
.sleepdata = (u8[]){ 4, 0x9a, 0x70, 0xb3, 0x0b },
.count = 3,
.entries = {
{ 170000000, 142857, 0xba, 0x09 },
{ 470000000, 142857, 0xba, 0x0a },
{ 770000000, 142857, 0xb2, 0x08 },
}
};
/* Philips TDA6651 ISDB-T, used in Earthsoft PT1 */
static const struct dvb_pll_desc dvb_pll_tda665x_earth_pt1 = {
.name = "Philips TDA6651 ISDB-T (EarthSoft PT1)",
.min = 90 * MHz,
.max = 770 * MHz,
.iffreq = 57000000,
.initdata = (u8[]){ 5, 0x0e, 0x7f, 0xc1, 0x80, 0x80 },
.count = 10,
.entries = {
{ 140000000, 142857, 0xc1, 0x81 },
{ 170000000, 142857, 0xc1, 0xa1 },
{ 220000000, 142857, 0xc1, 0x62 },
{ 330000000, 142857, 0xc1, 0xa2 },
{ 402000000, 142857, 0xc1, 0xe2 },
{ 450000000, 142857, 0xc1, 0x64 },
{ 550000000, 142857, 0xc1, 0x84 },
{ 600000000, 142857, 0xc1, 0xa4 },
{ 700000000, 142857, 0xc1, 0xc4 },
{ 770000000, 142857, 0xc1, 0xe4 },
}
};
/* ----------------------------------------------------------- */
static const struct dvb_pll_desc *pll_list[] = {
[DVB_PLL_UNDEFINED] = NULL,
[DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579,
[DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x,
[DVB_PLL_THOMSON_DTT7520X] = &dvb_pll_thomson_dtt7520x,
[DVB_PLL_LG_Z201] = &dvb_pll_lg_z201,
[DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1,
[DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs,
[DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5,
[DVB_PLL_TUA6034] = &dvb_pll_tua6034,
[DVB_PLL_TDA665X] = &dvb_pll_tda665x,
[DVB_PLL_TDED4] = &dvb_pll_tded4,
[DVB_PLL_TDEE4] = &dvb_pll_alps_tdee4,
[DVB_PLL_TDHU2] = &dvb_pll_tdhu2,
[DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv,
[DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261,
[DVB_PLL_OPERA1] = &dvb_pll_opera1,
[DVB_PLL_SAMSUNG_DTOS403IH102A] = &dvb_pll_samsung_dtos403ih102a,
[DVB_PLL_SAMSUNG_TDTC9251DH0] = &dvb_pll_samsung_tdtc9251dh0,
[DVB_PLL_SAMSUNG_TBDU18132] = &dvb_pll_samsung_tbdu18132,
[DVB_PLL_SAMSUNG_TBMU24112] = &dvb_pll_samsung_tbmu24112,
[DVB_PLL_TUA6034_FRIIO] = &dvb_pll_tua6034_friio,
[DVB_PLL_TDA665X_EARTH_PT1] = &dvb_pll_tda665x_earth_pt1,
};
/* ----------------------------------------------------------- */
/* code */
static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,
const u32 frequency)
{
struct dvb_pll_priv *priv = fe->tuner_priv;
const struct dvb_pll_desc *desc = priv->pll_desc;
u32 div;
int i;
for (i = 0; i < desc->count; i++) {
if (frequency > desc->entries[i].limit)
continue;
break;
}
if (debug)
dprintk("pll: %s: freq=%d | i=%d/%d\n", desc->name,
frequency, i, desc->count);
if (i == desc->count)
return -EINVAL;
div = (frequency + desc->iffreq +
desc->entries[i].stepsize/2) / 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->set)
desc->set(fe, buf);
if (debug)
dprintk("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]);
// calculate the frequency we set it to
return (div * desc->entries[i].stepsize) - desc->iffreq;
}
static void dvb_pll_release(struct dvb_frontend *fe)
{
kfree(fe->tuner_priv);
fe->tuner_priv = NULL;
}
static int dvb_pll_sleep(struct dvb_frontend *fe)
{
struct dvb_pll_priv *priv = fe->tuner_priv;
if (priv->i2c == NULL)
return -EINVAL;
if (priv->pll_desc->sleepdata) {
struct i2c_msg msg = { .flags = 0,
.addr = priv->pll_i2c_address,
.buf = priv->pll_desc->sleepdata + 1,
.len = priv->pll_desc->sleepdata[0] };
int 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;
}
return 0;
}
/* Shouldn't be called when initdata is NULL, maybe BUG()? */
return -EINVAL;
}
static int dvb_pll_set_params(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
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 frequency = 0;
if (priv->i2c == NULL)
return -EINVAL;
result = dvb_pll_configure(fe, buf, c->frequency);
if (result < 0)
return result;
else
frequency = 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;
}
priv->frequency = frequency;
priv->bandwidth = c->bandwidth_hz;
return 0;
}
static int dvb_pll_calc_regs(struct dvb_frontend *fe,
u8 *buf, int buf_len)
{
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct dvb_pll_priv *priv = fe->tuner_priv;
int result;
u32 frequency = 0;
if (buf_len < 5)
return -EINVAL;
result = dvb_pll_configure(fe, buf + 1, c->frequency);
if (result < 0)
return result;
else
frequency = result;
buf[0] = priv->pll_i2c_address;
priv->frequency = frequency;
priv->bandwidth = c->bandwidth_hz;
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 int dvb_pll_init(struct dvb_frontend *fe)
{
struct dvb_pll_priv *priv = fe->tuner_priv;
if (priv->i2c == NULL)
return -EINVAL;
if (priv->pll_desc->initdata) {
struct i2c_msg msg = { .flags = 0,
.addr = priv->pll_i2c_address,
.buf = priv->pll_desc->initdata + 1,
.len = priv->pll_desc->initdata[0] };
int result;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
result = i2c_transfer(priv->i2c, &msg, 1);
if (result != 1)
return result;
if (priv->pll_desc->initdata2) {
msg.buf = priv->pll_desc->initdata2 + 1;
msg.len = priv->pll_desc->initdata2[0];
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
result = i2c_transfer(priv->i2c, &msg, 1);
if (result != 1)
return result;
}
return 0;
}
/* Shouldn't be called when initdata is NULL, maybe BUG()? */
return -EINVAL;
}
static const struct dvb_tuner_ops dvb_pll_tuner_ops = {
.release = dvb_pll_release,
.sleep = dvb_pll_sleep,
.init = dvb_pll_init,
.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,
unsigned int pll_desc_id)
{
u8 *b1;
struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, .len = 1 };
struct dvb_pll_priv *priv = NULL;
int ret;
const struct dvb_pll_desc *desc;
b1 = kmalloc(1, GFP_KERNEL);
if (!b1)
return NULL;
b1[0] = 0;
msg.buf = b1;
if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) &&
(id[dvb_pll_devcount] < ARRAY_SIZE(pll_list)))
pll_desc_id = id[dvb_pll_devcount];
BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list));
desc = pll_list[pll_desc_id];
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) {
kfree(b1);
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) {
kfree(b1);
return NULL;
}
priv->pll_i2c_address = pll_addr;
priv->i2c = i2c;
priv->pll_desc = desc;
priv->nr = dvb_pll_devcount++;
memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,
sizeof(struct dvb_tuner_ops));
strscpy(fe->ops.tuner_ops.info.name, desc->name,
sizeof(fe->ops.tuner_ops.info.name));
fe->ops.tuner_ops.info.frequency_min_hz = desc->min;
fe->ops.tuner_ops.info.frequency_max_hz = desc->max;
dprintk("%s tuner, frequency range: %u...%u\n",
desc->name, desc->min, desc->max);
if (!desc->initdata)
fe->ops.tuner_ops.init = NULL;
if (!desc->sleepdata)
fe->ops.tuner_ops.sleep = NULL;
fe->tuner_priv = priv;
if ((debug) || (id[priv->nr] == pll_desc_id)) {
dprintk("dvb-pll[%d]", priv->nr);
if (i2c != NULL)
pr_cont(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
pr_cont(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name,
id[priv->nr] == pll_desc_id ?
"insmod option" : "autodetected");
}
kfree(b1);
return fe;
}
EXPORT_SYMBOL(dvb_pll_attach);
static int
dvb_pll_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
struct dvb_pll_config *cfg;
struct dvb_frontend *fe;
unsigned int desc_id;
cfg = client->dev.platform_data;
fe = cfg->fe;
i2c_set_clientdata(client, fe);
desc_id = (unsigned int) id->driver_data;
if (!dvb_pll_attach(fe, client->addr, client->adapter, desc_id))
return -ENOMEM;
/*
* Unset tuner_ops.release (== dvb_pll_release)
* which has been just set in the above dvb_pll_attach(),
* because if tuner_ops.release was left defined,
* this module would be 'put' twice on exit:
* once by dvb_frontend_detach() and another by dvb_module_release().
*
* dvb_pll_release is instead executed in the i2c driver's .remove(),
* keeping dvb_pll_attach untouched for legacy (dvb_attach) drivers.
*/
fe->ops.tuner_ops.release = NULL;
dev_info(&client->dev, "DVB Simple Tuner attached.\n");
return 0;
}
static int dvb_pll_remove(struct i2c_client *client)
{
struct dvb_frontend *fe;
fe = i2c_get_clientdata(client);
dvb_pll_release(fe);
return 0;
}
static const struct i2c_device_id dvb_pll_id[] = {
{"dtt7579", DVB_PLL_THOMSON_DTT7579},
{"dtt759x", DVB_PLL_THOMSON_DTT759X},
{"z201", DVB_PLL_LG_Z201},
{"unknown_1", DVB_PLL_UNKNOWN_1},
{"tua6010xs", DVB_PLL_TUA6010XS},
{"env57h1xd5", DVB_PLL_ENV57H1XD5},
{"tua6034", DVB_PLL_TUA6034},
{"tda665x", DVB_PLL_TDA665X},
{"tded4", DVB_PLL_TDED4},
{"tdhu2", DVB_PLL_TDHU2},
{"tbmv", DVB_PLL_SAMSUNG_TBMV},
{"sd1878_tda8261", DVB_PLL_PHILIPS_SD1878_TDA8261},
{"opera1", DVB_PLL_OPERA1},
{"dtos403ih102a", DVB_PLL_SAMSUNG_DTOS403IH102A},
{"tdtc9251dh0", DVB_PLL_SAMSUNG_TDTC9251DH0},
{"tbdu18132", DVB_PLL_SAMSUNG_TBDU18132},
{"tbmu24112", DVB_PLL_SAMSUNG_TBMU24112},
{"tdee4", DVB_PLL_TDEE4},
{"dtt7520x", DVB_PLL_THOMSON_DTT7520X},
{"tua6034_friio", DVB_PLL_TUA6034_FRIIO},
{"tda665x_earthpt1", DVB_PLL_TDA665X_EARTH_PT1},
{}
};
MODULE_DEVICE_TABLE(i2c, dvb_pll_id);
static struct i2c_driver dvb_pll_driver = {
.driver = {
.name = "dvb_pll",
},
.probe = dvb_pll_probe,
.remove = dvb_pll_remove,
.id_table = dvb_pll_id,
};
module_i2c_driver(dvb_pll_driver);
MODULE_DESCRIPTION("dvb pll library");
MODULE_AUTHOR("Gerd Knorr");
MODULE_LICENSE("GPL");
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