mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-23 01:40:30 +00:00
[media] fc001x: tuner driver for FC0012, version 0.5
Support for tuner Fitipower FC0012 Signed-off-by: Hans-Frieder Vogt <hfvogt@gmx.net> Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans-Frieder Vogt
Mauro Carvalho Chehab
parent
fee5fcf6b3
commit
ef89ec7ecd
@ -211,6 +211,13 @@ config MEDIA_TUNER_FC0011
|
||||
help
|
||||
Fitipower FC0011 silicon tuner driver.
|
||||
|
||||
config MEDIA_TUNER_FC0012
|
||||
tristate "Fitipower FC0012 silicon tuner"
|
||||
depends on VIDEO_MEDIA && I2C
|
||||
default m if MEDIA_TUNER_CUSTOMISE
|
||||
help
|
||||
Fitipower FC0012 silicon tuner driver.
|
||||
|
||||
config MEDIA_TUNER_TDA18212
|
||||
tristate "NXP TDA18212 silicon tuner"
|
||||
depends on VIDEO_MEDIA && I2C
|
||||
|
||||
@ -30,6 +30,7 @@ obj-$(CONFIG_MEDIA_TUNER_TDA18218) += tda18218.o
|
||||
obj-$(CONFIG_MEDIA_TUNER_TDA18212) += tda18212.o
|
||||
obj-$(CONFIG_MEDIA_TUNER_TUA9001) += tua9001.o
|
||||
obj-$(CONFIG_MEDIA_TUNER_FC0011) += fc0011.o
|
||||
obj-$(CONFIG_MEDIA_TUNER_FC0012) += fc0012.o
|
||||
|
||||
ccflags-y += -I$(srctree)/drivers/media/dvb/dvb-core
|
||||
ccflags-y += -I$(srctree)/drivers/media/dvb/frontends
|
||||
|
||||
43
drivers/media/common/tuners/fc0012-priv.h
Normal file
43
drivers/media/common/tuners/fc0012-priv.h
Normal file
@ -0,0 +1,43 @@
|
||||
/*
|
||||
* Fitipower FC0012 tuner driver - private includes
|
||||
*
|
||||
* Copyright (C) 2012 Hans-Frieder Vogt <hfvogt@gmx.net>
|
||||
*
|
||||
* 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 _FC0012_PRIV_H_
|
||||
#define _FC0012_PRIV_H_
|
||||
|
||||
#define LOG_PREFIX "fc0012"
|
||||
|
||||
#undef err
|
||||
#define err(f, arg...) printk(KERN_ERR LOG_PREFIX": " f "\n" , ## arg)
|
||||
#undef info
|
||||
#define info(f, arg...) printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg)
|
||||
#undef warn
|
||||
#define warn(f, arg...) printk(KERN_WARNING LOG_PREFIX": " f "\n" , ## arg)
|
||||
|
||||
struct fc0012_priv {
|
||||
struct i2c_adapter *i2c;
|
||||
u8 addr;
|
||||
u8 dual_master;
|
||||
u8 xtal_freq;
|
||||
|
||||
u32 frequency;
|
||||
u32 bandwidth;
|
||||
};
|
||||
|
||||
#endif
|
||||
397
drivers/media/common/tuners/fc0012.c
Normal file
397
drivers/media/common/tuners/fc0012.c
Normal file
@ -0,0 +1,397 @@
|
||||
/*
|
||||
* Fitipower FC0012 tuner driver
|
||||
*
|
||||
* Copyright (C) 2012 Hans-Frieder Vogt <hfvogt@gmx.net>
|
||||
*
|
||||
* 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 "fc0012.h"
|
||||
#include "fc0012-priv.h"
|
||||
|
||||
static int fc0012_writereg(struct fc0012_priv *priv, u8 reg, u8 val)
|
||||
{
|
||||
u8 buf[2] = {reg, val};
|
||||
struct i2c_msg msg = {
|
||||
.addr = priv->addr, .flags = 0, .buf = buf, .len = 2
|
||||
};
|
||||
|
||||
if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
|
||||
err("I2C write reg failed, reg: %02x, val: %02x", reg, val);
|
||||
return -EREMOTEIO;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fc0012_readreg(struct fc0012_priv *priv, u8 reg, u8 *val)
|
||||
{
|
||||
struct i2c_msg msg[2] = {
|
||||
{ .addr = priv->addr, .flags = 0, .buf = ®, .len = 1 },
|
||||
{ .addr = priv->addr, .flags = I2C_M_RD, .buf = val, .len = 1 },
|
||||
};
|
||||
|
||||
if (i2c_transfer(priv->i2c, msg, 2) != 2) {
|
||||
err("I2C read reg failed, reg: %02x", reg);
|
||||
return -EREMOTEIO;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fc0012_release(struct dvb_frontend *fe)
|
||||
{
|
||||
kfree(fe->tuner_priv);
|
||||
fe->tuner_priv = NULL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fc0012_init(struct dvb_frontend *fe)
|
||||
{
|
||||
struct fc0012_priv *priv = fe->tuner_priv;
|
||||
int i, ret = 0;
|
||||
unsigned char reg[] = {
|
||||
0x00, /* dummy reg. 0 */
|
||||
0x05, /* reg. 0x01 */
|
||||
0x10, /* reg. 0x02 */
|
||||
0x00, /* reg. 0x03 */
|
||||
0x00, /* reg. 0x04 */
|
||||
0x0f, /* reg. 0x05: may also be 0x0a */
|
||||
0x00, /* reg. 0x06: divider 2, VCO slow */
|
||||
0x00, /* reg. 0x07: may also be 0x0f */
|
||||
0xff, /* reg. 0x08: AGC Clock divide by 256, AGC gain 1/256,
|
||||
Loop Bw 1/8 */
|
||||
0x6e, /* reg. 0x09: Disable LoopThrough, Enable LoopThrough: 0x6f */
|
||||
0xb8, /* reg. 0x0a: Disable LO Test Buffer */
|
||||
0x82, /* reg. 0x0b: Output Clock is same as clock frequency,
|
||||
may also be 0x83 */
|
||||
0xfc, /* reg. 0x0c: depending on AGC Up-Down mode, may need 0xf8 */
|
||||
0x02, /* reg. 0x0d: AGC Not Forcing & LNA Forcing, 0x02 for DVB-T */
|
||||
0x00, /* reg. 0x0e */
|
||||
0x00, /* reg. 0x0f */
|
||||
0x00, /* reg. 0x10: may also be 0x0d */
|
||||
0x00, /* reg. 0x11 */
|
||||
0x1f, /* reg. 0x12: Set to maximum gain */
|
||||
0x08, /* reg. 0x13: Set to Middle Gain: 0x08,
|
||||
Low Gain: 0x00, High Gain: 0x10, enable IX2: 0x80 */
|
||||
0x00, /* reg. 0x14 */
|
||||
0x04, /* reg. 0x15: Enable LNA COMPS */
|
||||
};
|
||||
|
||||
switch (priv->xtal_freq) {
|
||||
case FC_XTAL_27_MHZ:
|
||||
case FC_XTAL_28_8_MHZ:
|
||||
reg[0x07] |= 0x20;
|
||||
break;
|
||||
case FC_XTAL_36_MHZ:
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if (priv->dual_master)
|
||||
reg[0x0c] |= 0x02;
|
||||
|
||||
if (fe->ops.i2c_gate_ctrl)
|
||||
fe->ops.i2c_gate_ctrl(fe, 1); /* open I2C-gate */
|
||||
|
||||
for (i = 1; i < sizeof(reg); i++) {
|
||||
ret = fc0012_writereg(priv, i, reg[i]);
|
||||
if (ret)
|
||||
break;
|
||||
}
|
||||
|
||||
if (fe->ops.i2c_gate_ctrl)
|
||||
fe->ops.i2c_gate_ctrl(fe, 0); /* close I2C-gate */
|
||||
|
||||
if (ret)
|
||||
err("fc0012_writereg failed: %d", ret);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int fc0012_sleep(struct dvb_frontend *fe)
|
||||
{
|
||||
/* nothing to do here */
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fc0012_set_params(struct dvb_frontend *fe)
|
||||
{
|
||||
struct fc0012_priv *priv = fe->tuner_priv;
|
||||
int i, ret = 0;
|
||||
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
|
||||
u32 freq = p->frequency / 1000;
|
||||
u32 delsys = p->delivery_system;
|
||||
unsigned char reg[7], am, pm, multi, tmp;
|
||||
unsigned long f_vco;
|
||||
unsigned short xtal_freq_khz_2, xin, xdiv;
|
||||
int vco_select = false;
|
||||
|
||||
if (fe->callback) {
|
||||
ret = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER,
|
||||
FC_FE_CALLBACK_VHF_ENABLE, (freq > 300000 ? 0 : 1));
|
||||
if (ret)
|
||||
goto exit;
|
||||
}
|
||||
|
||||
switch (priv->xtal_freq) {
|
||||
case FC_XTAL_27_MHZ:
|
||||
xtal_freq_khz_2 = 27000 / 2;
|
||||
break;
|
||||
case FC_XTAL_36_MHZ:
|
||||
xtal_freq_khz_2 = 36000 / 2;
|
||||
break;
|
||||
case FC_XTAL_28_8_MHZ:
|
||||
default:
|
||||
xtal_freq_khz_2 = 28800 / 2;
|
||||
break;
|
||||
}
|
||||
|
||||
/* select frequency divider and the frequency of VCO */
|
||||
if (freq < 37084) { /* freq * 96 < 3560000 */
|
||||
multi = 96;
|
||||
reg[5] = 0x82;
|
||||
reg[6] = 0x00;
|
||||
} else if (freq < 55625) { /* freq * 64 < 3560000 */
|
||||
multi = 64;
|
||||
reg[5] = 0x82;
|
||||
reg[6] = 0x02;
|
||||
} else if (freq < 74167) { /* freq * 48 < 3560000 */
|
||||
multi = 48;
|
||||
reg[5] = 0x42;
|
||||
reg[6] = 0x00;
|
||||
} else if (freq < 111250) { /* freq * 32 < 3560000 */
|
||||
multi = 32;
|
||||
reg[5] = 0x42;
|
||||
reg[6] = 0x02;
|
||||
} else if (freq < 148334) { /* freq * 24 < 3560000 */
|
||||
multi = 24;
|
||||
reg[5] = 0x22;
|
||||
reg[6] = 0x00;
|
||||
} else if (freq < 222500) { /* freq * 16 < 3560000 */
|
||||
multi = 16;
|
||||
reg[5] = 0x22;
|
||||
reg[6] = 0x02;
|
||||
} else if (freq < 296667) { /* freq * 12 < 3560000 */
|
||||
multi = 12;
|
||||
reg[5] = 0x12;
|
||||
reg[6] = 0x00;
|
||||
} else if (freq < 445000) { /* freq * 8 < 3560000 */
|
||||
multi = 8;
|
||||
reg[5] = 0x12;
|
||||
reg[6] = 0x02;
|
||||
} else if (freq < 593334) { /* freq * 6 < 3560000 */
|
||||
multi = 6;
|
||||
reg[5] = 0x0a;
|
||||
reg[6] = 0x00;
|
||||
} else {
|
||||
multi = 4;
|
||||
reg[5] = 0x0a;
|
||||
reg[6] = 0x02;
|
||||
}
|
||||
|
||||
f_vco = freq * multi;
|
||||
|
||||
if (f_vco >= 3060000) {
|
||||
reg[6] |= 0x08;
|
||||
vco_select = true;
|
||||
}
|
||||
|
||||
if (freq >= 45000) {
|
||||
/* From divided value (XDIV) determined the FA and FP value */
|
||||
xdiv = (unsigned short)(f_vco / xtal_freq_khz_2);
|
||||
if ((f_vco - xdiv * xtal_freq_khz_2) >= (xtal_freq_khz_2 / 2))
|
||||
xdiv++;
|
||||
|
||||
pm = (unsigned char)(xdiv / 8);
|
||||
am = (unsigned char)(xdiv - (8 * pm));
|
||||
|
||||
if (am < 2) {
|
||||
reg[1] = am + 8;
|
||||
reg[2] = pm - 1;
|
||||
} else {
|
||||
reg[1] = am;
|
||||
reg[2] = pm;
|
||||
}
|
||||
} else {
|
||||
/* fix for frequency less than 45 MHz */
|
||||
reg[1] = 0x06;
|
||||
reg[2] = 0x11;
|
||||
}
|
||||
|
||||
/* fix clock out */
|
||||
reg[6] |= 0x20;
|
||||
|
||||
/* From VCO frequency determines the XIN ( fractional part of Delta
|
||||
Sigma PLL) and divided value (XDIV) */
|
||||
xin = (unsigned short)(f_vco - (f_vco / xtal_freq_khz_2) * xtal_freq_khz_2);
|
||||
xin = (xin << 15) / xtal_freq_khz_2;
|
||||
if (xin >= 16384)
|
||||
xin += 32768;
|
||||
|
||||
reg[3] = xin >> 8; /* xin with 9 bit resolution */
|
||||
reg[4] = xin & 0xff;
|
||||
|
||||
if (delsys == SYS_DVBT) {
|
||||
reg[6] &= 0x3f; /* bits 6 and 7 describe the bandwidth */
|
||||
switch (p->bandwidth_hz) {
|
||||
case 6000000:
|
||||
reg[6] |= 0x80;
|
||||
break;
|
||||
case 7000000:
|
||||
reg[6] |= 0x40;
|
||||
break;
|
||||
case 8000000:
|
||||
default:
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
err("%s: modulation type not supported!", __func__);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* modified for Realtek demod */
|
||||
reg[5] |= 0x07;
|
||||
|
||||
if (fe->ops.i2c_gate_ctrl)
|
||||
fe->ops.i2c_gate_ctrl(fe, 1); /* open I2C-gate */
|
||||
|
||||
for (i = 1; i <= 6; i++) {
|
||||
ret = fc0012_writereg(priv, i, reg[i]);
|
||||
if (ret)
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/* VCO Calibration */
|
||||
ret = fc0012_writereg(priv, 0x0e, 0x80);
|
||||
if (!ret)
|
||||
ret = fc0012_writereg(priv, 0x0e, 0x00);
|
||||
|
||||
/* VCO Re-Calibration if needed */
|
||||
if (!ret)
|
||||
ret = fc0012_writereg(priv, 0x0e, 0x00);
|
||||
|
||||
if (!ret) {
|
||||
msleep(10);
|
||||
ret = fc0012_readreg(priv, 0x0e, &tmp);
|
||||
}
|
||||
if (ret)
|
||||
goto exit;
|
||||
|
||||
/* vco selection */
|
||||
tmp &= 0x3f;
|
||||
|
||||
if (vco_select) {
|
||||
if (tmp > 0x3c) {
|
||||
reg[6] &= ~0x08;
|
||||
ret = fc0012_writereg(priv, 0x06, reg[6]);
|
||||
if (!ret)
|
||||
ret = fc0012_writereg(priv, 0x0e, 0x80);
|
||||
if (!ret)
|
||||
ret = fc0012_writereg(priv, 0x0e, 0x00);
|
||||
}
|
||||
} else {
|
||||
if (tmp < 0x02) {
|
||||
reg[6] |= 0x08;
|
||||
ret = fc0012_writereg(priv, 0x06, reg[6]);
|
||||
if (!ret)
|
||||
ret = fc0012_writereg(priv, 0x0e, 0x80);
|
||||
if (!ret)
|
||||
ret = fc0012_writereg(priv, 0x0e, 0x00);
|
||||
}
|
||||
}
|
||||
|
||||
priv->frequency = p->frequency;
|
||||
priv->bandwidth = p->bandwidth_hz;
|
||||
|
||||
exit:
|
||||
if (fe->ops.i2c_gate_ctrl)
|
||||
fe->ops.i2c_gate_ctrl(fe, 0); /* close I2C-gate */
|
||||
if (ret)
|
||||
warn("%s: failed: %d", __func__, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int fc0012_get_frequency(struct dvb_frontend *fe, u32 *frequency)
|
||||
{
|
||||
struct fc0012_priv *priv = fe->tuner_priv;
|
||||
*frequency = priv->frequency;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fc0012_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
|
||||
{
|
||||
/* CHECK: always ? */
|
||||
*frequency = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fc0012_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
|
||||
{
|
||||
struct fc0012_priv *priv = fe->tuner_priv;
|
||||
*bandwidth = priv->bandwidth;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static const struct dvb_tuner_ops fc0012_tuner_ops = {
|
||||
.info = {
|
||||
.name = "Fitipower FC0012",
|
||||
|
||||
.frequency_min = 37000000, /* estimate */
|
||||
.frequency_max = 862000000, /* estimate */
|
||||
.frequency_step = 0,
|
||||
},
|
||||
|
||||
.release = fc0012_release,
|
||||
|
||||
.init = fc0012_init,
|
||||
.sleep = fc0012_sleep,
|
||||
|
||||
.set_params = fc0012_set_params,
|
||||
|
||||
.get_frequency = fc0012_get_frequency,
|
||||
.get_if_frequency = fc0012_get_if_frequency,
|
||||
.get_bandwidth = fc0012_get_bandwidth,
|
||||
};
|
||||
|
||||
struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
|
||||
struct i2c_adapter *i2c, u8 i2c_address, int dual_master,
|
||||
enum fc001x_xtal_freq xtal_freq)
|
||||
{
|
||||
struct fc0012_priv *priv = NULL;
|
||||
|
||||
priv = kzalloc(sizeof(struct fc0012_priv), GFP_KERNEL);
|
||||
if (priv == NULL)
|
||||
return NULL;
|
||||
|
||||
priv->i2c = i2c;
|
||||
priv->dual_master = dual_master;
|
||||
priv->addr = i2c_address;
|
||||
priv->xtal_freq = xtal_freq;
|
||||
|
||||
info("Fitipower FC0012 successfully attached.");
|
||||
|
||||
fe->tuner_priv = priv;
|
||||
|
||||
memcpy(&fe->ops.tuner_ops, &fc0012_tuner_ops,
|
||||
sizeof(struct dvb_tuner_ops));
|
||||
|
||||
return fe;
|
||||
}
|
||||
EXPORT_SYMBOL(fc0012_attach);
|
||||
|
||||
MODULE_DESCRIPTION("Fitipower FC0012 silicon tuner driver");
|
||||
MODULE_AUTHOR("Hans-Frieder Vogt <hfvogt@gmx.net>");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_VERSION("0.5");
|
||||
44
drivers/media/common/tuners/fc0012.h
Normal file
44
drivers/media/common/tuners/fc0012.h
Normal file
@ -0,0 +1,44 @@
|
||||
/*
|
||||
* Fitipower FC0012 tuner driver - include
|
||||
*
|
||||
* Copyright (C) 2012 Hans-Frieder Vogt <hfvogt@gmx.net>
|
||||
*
|
||||
* 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 _FC0012_H_
|
||||
#define _FC0012_H_
|
||||
|
||||
#include "dvb_frontend.h"
|
||||
#include "fc001x-common.h"
|
||||
|
||||
#if defined(CONFIG_MEDIA_TUNER_FC0012) || \
|
||||
(defined(CONFIG_MEDIA_TUNER_FC0012_MODULE) && defined(MODULE))
|
||||
extern struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
|
||||
struct i2c_adapter *i2c,
|
||||
u8 i2c_address, int dual_master,
|
||||
enum fc001x_xtal_freq xtal_freq);
|
||||
#else
|
||||
static inline struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
|
||||
struct i2c_adapter *i2c,
|
||||
u8 i2c_address, int dual_master,
|
||||
enum fc001x_xtal_freq xtal_freq)
|
||||
{
|
||||
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user