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V4L/DVB (7621): Add support for Hauppauge HVR950Q/HVR850/FusioHDTV7-USB

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Including support for the AU0828 USB Bridge.
Including support for the AU8522 ATSC/QAM Demodulator.
Including support for the AU8522 ATSC/QAM Demodulator.

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Steven Toth 2008-04-18 21:34:00 -03:00 committed by Mauro Carvalho Chehab
parent c8234ea37f
commit 265a651062
15 changed files with 1881 additions and 0 deletions
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8
drivers/media/dvb/frontends/Kconfig
View File

@ -291,6 +291,14 @@ config DVB_S5H1409
An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
to support this frontend.
config DVB_AU8522
tristate "Auvitek AU8522 based"
depends on DVB_CORE && I2C
default m if DVB_FE_CUSTOMISE
help
An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
to support this frontend.
comment "Tuners/PLL support"
depends on DVB_CORE

1
drivers/media/dvb/frontends/Makefile
View File

@ -53,3 +53,4 @@ obj-$(CONFIG_DVB_TUNER_MT2131) += mt2131.o
obj-$(CONFIG_DVB_S5H1409) += s5h1409.o
obj-$(CONFIG_DVB_TUNER_XC5000) += xc5000.o
obj-$(CONFIG_DVB_TUNER_ITD1000) += itd1000.o
obj-$(CONFIG_DVB_AU8522) += au8522.o

448
drivers/media/dvb/frontends/au8522.c Normal file
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@ -0,0 +1,448 @@
/*
Auvitek AU8522 QAM/8VSB demodulator driver
Copyright (C) 2008 Steven Toth <stoth@hauppauge.com>
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/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include "dvb_frontend.h"
#include "dvb-pll.h"
#include "au8522.h"
struct au8522_state {
struct i2c_adapter* i2c;
/* configuration settings */
const struct au8522_config* config;
struct dvb_frontend frontend;
u32 current_frequency;
fe_modulation_t current_modulation;
};
static int debug = 0;
#define dprintk if (debug) printk
/* 16 bit registers, 8 bit values */
static int au8522_writereg(struct au8522_state* state, u16 reg, u8 data)
{
int ret;
u8 buf [] = { reg >> 8, reg & 0xff, data };
struct i2c_msg msg = { .addr = state->config->demod_address,
.flags = 0, .buf = buf, .len = 3 };
ret = i2c_transfer(state->i2c, &msg, 1);
if (ret != 1)
printk("%s: writereg error (reg == 0x%02x, val == 0x%04x, "
"ret == %i)\n", __FUNCTION__, reg, data, ret);
return (ret != 1) ? -1 : 0;
}
static u8 au8522_readreg(struct au8522_state* state, u16 reg)
{
int ret;
u8 b0 [] = { reg >> 8, reg & 0xff };
u8 b1 [] = { 0 };
struct i2c_msg msg [] = {
{ .addr = state->config->demod_address, .flags = 0,
.buf = b0, .len = 2 },
{ .addr = state->config->demod_address, .flags = I2C_M_RD,
.buf = b1, .len = 1 } };
ret = i2c_transfer(state->i2c, msg, 2);
if (ret != 2)
printk("%s: readreg error (ret == %i)\n", __FUNCTION__, ret);
return b1[0];
}
static int au8522_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
{
struct au8522_state* state = fe->demodulator_priv;
dprintk("%s(%d)\n", __FUNCTION__, enable);
if (enable)
return au8522_writereg(state, 0x106, 1);
else
return au8522_writereg(state, 0x106, 0);
}
static int au8522_enable_modulation(struct dvb_frontend* fe,
fe_modulation_t m)
{
struct au8522_state* state = fe->demodulator_priv;
dprintk("%s(0x%08x)\n", __FUNCTION__, m);
switch(m) {
case VSB_8:
dprintk("%s() VSB_8\n", __FUNCTION__);
//au8522_writereg(state, 0x410b, 0x84); // Serial
//au8522_writereg(state, 0x8090, 0x82);
au8522_writereg(state, 0x8090, 0x84);
au8522_writereg(state, 0x4092, 0x11);
au8522_writereg(state, 0x2005, 0x00);
au8522_writereg(state, 0x8091, 0x80);
au8522_writereg(state, 0x80a3, 0x0c);
au8522_writereg(state, 0x80a4, 0xe8);
au8522_writereg(state, 0x8081, 0xc4);
au8522_writereg(state, 0x80a5, 0x40);
au8522_writereg(state, 0x80a7, 0x40);
au8522_writereg(state, 0x80a6, 0x67);
au8522_writereg(state, 0x8262, 0x20);
au8522_writereg(state, 0x821c, 0x30);
au8522_writereg(state, 0x80d8, 0x1a);
au8522_writereg(state, 0x8227, 0xa0);
au8522_writereg(state, 0x8121, 0xff);
au8522_writereg(state, 0x80a8, 0xf0);
au8522_writereg(state, 0x80a9, 0x05);
au8522_writereg(state, 0x80aa, 0x77);
au8522_writereg(state, 0x80ab, 0xf0);
au8522_writereg(state, 0x80ac, 0x05);
au8522_writereg(state, 0x80ad, 0x77);
au8522_writereg(state, 0x80ae, 0x41);
au8522_writereg(state, 0x80af, 0x66);
au8522_writereg(state, 0x821b, 0xcc);
au8522_writereg(state, 0x821d, 0x80);
au8522_writereg(state, 0x80b5, 0xfb);
au8522_writereg(state, 0x80b6, 0x8e);
au8522_writereg(state, 0x80b7, 0x39);
au8522_writereg(state, 0x80a4, 0xe8);
au8522_writereg(state, 0x8231, 0x13);
break;
case QAM_64:
case QAM_256:
au8522_writereg(state, 0x80a3, 0x09);
au8522_writereg(state, 0x80a4, 0x00);
au8522_writereg(state, 0x8081, 0xc4);
au8522_writereg(state, 0x80a5, 0x40);
au8522_writereg(state, 0x80b5, 0xfb);
au8522_writereg(state, 0x80b6, 0x8e);
au8522_writereg(state, 0x80b7, 0x39);
au8522_writereg(state, 0x80aa, 0x77);
au8522_writereg(state, 0x80ad, 0x77);
au8522_writereg(state, 0x80a6, 0x67);
au8522_writereg(state, 0x8262, 0x20);
au8522_writereg(state, 0x821c, 0x30);
au8522_writereg(state, 0x80b8, 0x3e);
au8522_writereg(state, 0x80b9, 0xf0);
au8522_writereg(state, 0x80ba, 0x01);
au8522_writereg(state, 0x80bb, 0x18);
au8522_writereg(state, 0x80bc, 0x50);
au8522_writereg(state, 0x80bd, 0x00);
au8522_writereg(state, 0x80be, 0xea);
au8522_writereg(state, 0x80bf, 0xef);
au8522_writereg(state, 0x80c0, 0xfc);
au8522_writereg(state, 0x80c1, 0xbd);
au8522_writereg(state, 0x80c2, 0x1f);
au8522_writereg(state, 0x80c3, 0xfc);
au8522_writereg(state, 0x80c4, 0xdd);
au8522_writereg(state, 0x80c5, 0xaf);
au8522_writereg(state, 0x80c6, 0x00);
au8522_writereg(state, 0x80c7, 0x38);
au8522_writereg(state, 0x80c8, 0x30);
au8522_writereg(state, 0x80c9, 0x05);
au8522_writereg(state, 0x80ca, 0x4a);
au8522_writereg(state, 0x80cb, 0xd0);
au8522_writereg(state, 0x80cc, 0x01);
au8522_writereg(state, 0x80cd, 0xd9);
au8522_writereg(state, 0x80ce, 0x6f);
au8522_writereg(state, 0x80cf, 0xf9);
au8522_writereg(state, 0x80d0, 0x70);
au8522_writereg(state, 0x80d1, 0xdf);
au8522_writereg(state, 0x80d2, 0xf7);
au8522_writereg(state, 0x80d3, 0xc2);
au8522_writereg(state, 0x80d4, 0xdf);
au8522_writereg(state, 0x80d5, 0x02);
au8522_writereg(state, 0x80d6, 0x9a);
au8522_writereg(state, 0x80d7, 0xd0);
au8522_writereg(state, 0x8250, 0x0d);
au8522_writereg(state, 0x8251, 0xcd);
au8522_writereg(state, 0x8252, 0xe0);
au8522_writereg(state, 0x8253, 0x05);
au8522_writereg(state, 0x8254, 0xa7);
au8522_writereg(state, 0x8255, 0xff);
au8522_writereg(state, 0x8256, 0xed);
au8522_writereg(state, 0x8257, 0x5b);
au8522_writereg(state, 0x8258, 0xae);
au8522_writereg(state, 0x8259, 0xe6);
au8522_writereg(state, 0x825a, 0x3d);
au8522_writereg(state, 0x825b, 0x0f);
au8522_writereg(state, 0x825c, 0x0d);
au8522_writereg(state, 0x825d, 0xea);
au8522_writereg(state, 0x825e, 0xf2);
au8522_writereg(state, 0x825f, 0x51);
au8522_writereg(state, 0x8260, 0xf5);
au8522_writereg(state, 0x8261, 0x06);
au8522_writereg(state, 0x821a, 0x00);
au8522_writereg(state, 0x8546, 0x40);
au8522_writereg(state, 0x8210, 0x26);
au8522_writereg(state, 0x8211, 0xf6);
au8522_writereg(state, 0x8212, 0x84);
au8522_writereg(state, 0x8213, 0x02);
au8522_writereg(state, 0x8502, 0x01);
au8522_writereg(state, 0x8121, 0x04);
au8522_writereg(state, 0x8122, 0x04);
au8522_writereg(state, 0x852e, 0x10);
au8522_writereg(state, 0x80a4, 0xca);
au8522_writereg(state, 0x80a7, 0x40);
au8522_writereg(state, 0x8526, 0x01);
break;
default:
dprintk("%s() Invalid modulation\n", __FUNCTION__);
return -EINVAL;
}
state->current_modulation = m;
return 0;
}
/* Talk to the demod, set the FEC, GUARD, QAM settings etc */
static int au8522_set_frontend (struct dvb_frontend* fe,
struct dvb_frontend_parameters *p)
{
struct au8522_state* state = fe->demodulator_priv;
dprintk("%s(frequency=%d)\n", __FUNCTION__, p->frequency);
state->current_frequency = p->frequency;
au8522_enable_modulation(fe, p->u.vsb.modulation);
/* Allow the demod to settle */
msleep(100);
if (fe->ops.tuner_ops.set_params) {
if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1);
fe->ops.tuner_ops.set_params(fe, p);
if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
}
return 0;
}
/* Reset the demod hardware and reset all of the configuration registers
to a default state. */
static int au8522_init(struct dvb_frontend* fe)
{
struct au8522_state* state = fe->demodulator_priv;
dprintk("%s()\n", __FUNCTION__);
au8522_writereg(state, 0xa4, 1 << 5);
au8522_i2c_gate_ctrl(fe, 1);
return 0;
}
static int au8522_read_status(struct dvb_frontend* fe, fe_status_t* status)
{
struct au8522_state* state = fe->demodulator_priv;
u8 reg;
u32 tuner_status = 0;
*status = 0;
if (state->current_modulation == VSB_8) {
dprintk("%s() Checking VSB_8\n", __FUNCTION__);
//au8522_writereg(state, 0x80a4, 0x20);
reg = au8522_readreg(state, 0x4088);
if(reg & 0x01)
*status |= FE_HAS_VITERBI;
if(reg & 0x02)
*status |= FE_HAS_LOCK | FE_HAS_SYNC;
} else {
dprintk("%s() Checking QAM\n", __FUNCTION__);
reg = au8522_readreg(state, 0x4541);
if(reg & 0x80)
*status |= FE_HAS_VITERBI;
if(reg & 0x20)
*status |= FE_HAS_LOCK | FE_HAS_SYNC;
}
switch(state->config->status_mode) {
case AU8522_DEMODLOCKING:
dprintk("%s() DEMODLOCKING\n", __FUNCTION__);
if (*status & FE_HAS_VITERBI)
*status |= FE_HAS_CARRIER | FE_HAS_SIGNAL;
break;
case AU8522_TUNERLOCKING:
/* Get the tuner status */
dprintk("%s() TUNERLOCKING\n", __FUNCTION__);
if (fe->ops.tuner_ops.get_status) {
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
fe->ops.tuner_ops.get_status(fe, &tuner_status);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
}
if (tuner_status)
*status |= FE_HAS_CARRIER | FE_HAS_SIGNAL;
break;
}
dprintk("%s() status 0x%08x\n", __FUNCTION__, *status);
return 0;
}
static int au8522_read_snr(struct dvb_frontend* fe, u16* snr)
{
dprintk("%s()\n", __FUNCTION__);
*snr = 0;
return 0;
}
static int au8522_read_signal_strength(struct dvb_frontend* fe,
u16* signal_strength)
{
return au8522_read_snr(fe, signal_strength);
}
static int au8522_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
{
struct au8522_state* state = fe->demodulator_priv;
*ucblocks = au8522_readreg(state, 0x4087);
return 0;
}
static int au8522_read_ber(struct dvb_frontend* fe, u32* ber)
{
return au8522_read_ucblocks(fe, ber);
}
static int au8522_get_frontend(struct dvb_frontend* fe,
struct dvb_frontend_parameters *p)
{
struct au8522_state* state = fe->demodulator_priv;
p->frequency = state->current_frequency;
p->u.vsb.modulation = state->current_modulation;
return 0;
}
static int au8522_get_tune_settings(struct dvb_frontend* fe,
struct dvb_frontend_tune_settings *tune)
{
tune->min_delay_ms = 1000;
return 0;
}
static void au8522_release(struct dvb_frontend* fe)
{
struct au8522_state* state = fe->demodulator_priv;
kfree(state);
}
static struct dvb_frontend_ops au8522_ops;
struct dvb_frontend* au8522_attach(const struct au8522_config* config,
struct i2c_adapter* i2c)
{
struct au8522_state* state = NULL;
/* allocate memory for the internal state */
state = kmalloc(sizeof(struct au8522_state), GFP_KERNEL);
if (state == NULL)
goto error;
/* setup the state */
state->config = config;
state->i2c = i2c;
/* create dvb_frontend */
memcpy(&state->frontend.ops, &au8522_ops,
sizeof(struct dvb_frontend_ops));
state->frontend.demodulator_priv = state;
if (au8522_init(&state->frontend) != 0) {
printk(KERN_ERR "%s: Failed to initialize correctly\n",
__FUNCTION__);
goto error;
}
/* Note: Leaving the I2C gate open here. */
au8522_i2c_gate_ctrl(&state->frontend, 1);
return &state->frontend;
error:
kfree(state);
return NULL;
}
static struct dvb_frontend_ops au8522_ops = {
.info = {
.name = "Auvitek AU8522 QAM/8VSB Frontend",
.type = FE_ATSC,
.frequency_min = 54000000,
.frequency_max = 858000000,
.frequency_stepsize = 62500,
.caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB
},
.init = au8522_init,
.i2c_gate_ctrl = au8522_i2c_gate_ctrl,
.set_frontend = au8522_set_frontend,
.get_frontend = au8522_get_frontend,
.get_tune_settings = au8522_get_tune_settings,
.read_status = au8522_read_status,
.read_ber = au8522_read_ber,
.read_signal_strength = au8522_read_signal_strength,
.read_snr = au8522_read_snr,
.read_ucblocks = au8522_read_ucblocks,
.release = au8522_release,
};
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Enable verbose debug messages");
MODULE_DESCRIPTION("Auvitek AU8522 QAM-B/ATSC Demodulator driver");
MODULE_AUTHOR("Steven Toth");
MODULE_LICENSE("GPL");
EXPORT_SYMBOL(au8522_attach);
/*
* Local variables:
* c-basic-offset: 8
*/

55
drivers/media/dvb/frontends/au8522.h Normal file
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@ -0,0 +1,55 @@
/*
Auvitek AU8522 QAM/8VSB demodulator driver
Copyright (C) 2008 Steven Toth <stoth@hauppauge.com>
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 __AU8522_H__
#define __AU8522_H__
#include <linux/dvb/frontend.h>
struct au8522_config
{
/* the demodulator's i2c address */
u8 demod_address;
/* Return lock status based on tuner lock, or demod lock */
#define AU8522_TUNERLOCKING 0
#define AU8522_DEMODLOCKING 1
u8 status_mode;
};
#if defined(CONFIG_DVB_AU8522) || (defined(CONFIG_DVB_AU8522_MODULE) && defined(MODULE))
extern struct dvb_frontend* au8522_attach(const struct au8522_config* config,
struct i2c_adapter* i2c);
#else
static inline struct dvb_frontend* au8522_attach(const struct au8522_config* config,
struct i2c_adapter* i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
return NULL;
}
#endif /* CONFIG_DVB_AU8522 */
#endif /* __AU8522_H__ */
/*
* Local variables:
* c-basic-offset: 8
*/

2
drivers/media/video/Kconfig
View File

@ -698,6 +698,8 @@ source "drivers/media/video/cx88/Kconfig"
source "drivers/media/video/cx23885/Kconfig"
source "drivers/media/video/au0828/Kconfig"
source "drivers/media/video/ivtv/Kconfig"
config VIDEO_M32R_AR

2
drivers/media/video/Makefile
View File

@ -143,5 +143,7 @@ obj-$(CONFIG_SOC_CAMERA) += soc_camera.o
obj-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o
obj-$(CONFIG_SOC_CAMERA_MT9V022) += mt9v022.o
obj-$(CONFIG_VIDEO_AU0828) += au0828/
EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
EXTRA_CFLAGS += -Idrivers/media/dvb/frontends

10
drivers/media/video/au0828/Kconfig Normal file
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@ -0,0 +1,10 @@
config VIDEO_AU0828
tristate "Auvitek AU0828 support"
depends on VIDEO_DEV && I2C && INPUT
select I2C_ALGOBIT
---help---
This is a video4linux driver for Auvitek's USB device.
To compile this driver as a module, choose M here: the
module will be called ambarella

9
drivers/media/video/au0828/Makefile Normal file
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@ -0,0 +1,9 @@
au0828-objs := au0828-core.o au0828-i2c.o au0828-cards.o au0828-dvb.o
obj-$(CONFIG_VIDEO_AU0828) += au0828.o
EXTRA_CFLAGS += -Idrivers/media/video
EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
EXTRA_CFLAGS += $(extra-cflags-y) $(extra-cflags-m)

144
drivers/media/video/au0828/au0828-cards.c Normal file
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@ -0,0 +1,144 @@
/*
* Driver for the Auvitek USB bridge
*
* Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
*
* 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 "au0828.h"
#include "au0828-cards.h"
#define _dbg(level, fmt, arg...)\
do {\
if (debug >= level) \
printk(KERN_DEBUG DRIVER_NAME "/0: " fmt, ## arg);\
} while (0)
struct au0828_board au0828_boards[] = {
[AU0828_BOARD_UNKNOWN] = {
.name = "Unknown board",
},
[AU0828_BOARD_HAUPPAUGE_HVR850] = {
.name = "Hauppauge HVR850",
},
[AU0828_BOARD_HAUPPAUGE_HVR950Q] = {
.name = "Hauppauge HVR950Q",
},
[AU0828_BOARD_DVICO_FUSIONHDTV7] = {
.name = "DViCO FusionHDTV USB",
},
};
const unsigned int au0828_bcount = ARRAY_SIZE(au0828_boards);
/* Tuner callback function for au0828 boards. Currently only needed
* for HVR1500Q, which has an xc5000 tuner.
*/
int au0828_tuner_callback(void *priv, int command, int arg)
{
struct au0828_dev *dev = priv;
switch(dev->board) {
case AU0828_BOARD_HAUPPAUGE_HVR850:
case AU0828_BOARD_HAUPPAUGE_HVR950Q:
case AU0828_BOARD_DVICO_FUSIONHDTV7:
if(command == 0) {
/* Tuner Reset Command from xc5000 */
/* Drive the tuner into reset and out */
au0828_clear(dev, REG_001, 2);
mdelay(200);
au0828_set(dev, REG_001, 2);
mdelay(50);
return 0;
}
else {
printk(KERN_ERR
"%s(): Unknown command.\n", __FUNCTION__);
return -EINVAL;
}
break;
}
return 0; /* Should never be here */
}
/*
* The bridge has between 8 and 12 gpios.
* Regs 1 and 0 deal with output enables.
* Regs 3 and 2 * deal with direction.
*/
void au0828_gpio_setup(struct au0828_dev *dev)
{
switch(dev->board) {
case AU0828_BOARD_HAUPPAUGE_HVR850:
case AU0828_BOARD_HAUPPAUGE_HVR950Q:
/* GPIO's
* 4 - CS5340
* 5 - AU8522 Demodulator
* 6 - eeprom W/P
* 9 - XC5000 Tuner
*/
/* Into reset */
au0828_write(dev, REG_003, 0x02);
au0828_write(dev, REG_002, 0x88 | 0x20);
au0828_write(dev, REG_001, 0x0);
au0828_write(dev, REG_000, 0x0);
msleep(100);
/* Out of reset */
au0828_write(dev, REG_003, 0x02);
au0828_write(dev, REG_001, 0x02);
au0828_write(dev, REG_002, 0x88 | 0x20);
au0828_write(dev, REG_000, 0x88 | 0x20 | 0x40);
msleep(250);
break;
case AU0828_BOARD_DVICO_FUSIONHDTV7:
/* GPIO's
* 6 - ?
* 8 - AU8522 Demodulator
* 9 - XC5000 Tuner
*/
/* Into reset */
au0828_write(dev, REG_003, 0x02);
au0828_write(dev, REG_002, 0xa0);
au0828_write(dev, REG_001, 0x0);
au0828_write(dev, REG_000, 0x0);
msleep(100);
/* Out of reset */
au0828_write(dev, REG_003, 0x02);
au0828_write(dev, REG_002, 0xa0);
au0828_write(dev, REG_001, 0x02);
au0828_write(dev, REG_000, 0xa0);
msleep(250);
break;
}
}
/* table of devices that work with this driver */
struct usb_device_id au0828_usb_id_table [] = {
{ USB_DEVICE(0x2040, 0x7200),
.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
{ USB_DEVICE(0x2040, 0x7240),
.driver_info = AU0828_BOARD_HAUPPAUGE_HVR850 },
{ USB_DEVICE(0x0fe9, 0xd620),
.driver_info = AU0828_BOARD_DVICO_FUSIONHDTV7 },
{ },
};
MODULE_DEVICE_TABLE(usb, au0828_usb_id_table);

25
drivers/media/video/au0828/au0828-cards.h Normal file
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@ -0,0 +1,25 @@
/*
* Driver for the Auvitek USB bridge
*
* Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
*
* 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.
*/
#define AU0828_BOARD_UNKNOWN 0
#define AU0828_BOARD_HAUPPAUGE_HVR950Q 1
#define AU0828_BOARD_HAUPPAUGE_HVR850 2
#define AU0828_BOARD_DVICO_FUSIONHDTV7 3

252
drivers/media/video/au0828/au0828-core.c Normal file
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/*
* Driver for the Auvitek USB bridge
*
* Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
*
* 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/videodev2.h>
#include <media/v4l2-common.h>
#include <linux/mutex.h>
#include "au0828.h"
static unsigned int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "enable debug messages");
#define _err(fmt, arg...)\
do {\
printk(KERN_ERR DRIVER_NAME "/0: " fmt, ## arg);\
} while (0)
#define _info(fmt, arg...)\
do {\
printk(KERN_INFO DRIVER_NAME "/0: " fmt, ## arg);\
} while (0)
#define _dbg(level, fmt, arg...)\
do {\
if (debug >= level) \
printk(KERN_DEBUG DRIVER_NAME "/0: " fmt, ## arg);\
} while (0)
#define _AU0828_BULKPIPE 0x03
#define _BULKPIPESIZE 0xffff
static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value,
u16 index, unsigned char *cp, u16 size);
static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value,
u16 index, unsigned char *cp, u16 size);
/* USB Direction */
#define CMD_REQUEST_IN 0x00
#define CMD_REQUEST_OUT 0x01
u32 au0828_readreg(struct au0828_dev *dev, u16 reg)
{
recv_control_msg(dev, CMD_REQUEST_IN, 0, reg, dev->ctrlmsg, 1);
_dbg(3,"%s(0x%x) = 0x%x\n", __FUNCTION__, reg, dev->ctrlmsg[0]);
return dev->ctrlmsg[0];
}
u32 au0828_writereg(struct au0828_dev *dev, u16 reg, u32 val)
{
_dbg(3,"%s(0x%x, 0x%x)\n", __FUNCTION__, reg, val);
return send_control_msg(dev, CMD_REQUEST_OUT, val, reg, dev->ctrlmsg, 0);
}
static void cmd_msg_dump(struct au0828_dev *dev)
{
int i;
for (i = 0;i < sizeof(dev->ctrlmsg); i+=16)
_dbg(1,"%s() %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x "
"%02x %02x %02x %02x %02x %02x\n",
__FUNCTION__,
dev->ctrlmsg[i+0], dev->ctrlmsg[i+1],
dev->ctrlmsg[i+2], dev->ctrlmsg[i+3],
dev->ctrlmsg[i+4], dev->ctrlmsg[i+5],
dev->ctrlmsg[i+6], dev->ctrlmsg[i+7],
dev->ctrlmsg[i+8], dev->ctrlmsg[i+9],
dev->ctrlmsg[i+10], dev->ctrlmsg[i+11],
dev->ctrlmsg[i+12], dev->ctrlmsg[i+13],
dev->ctrlmsg[i+14], dev->ctrlmsg[i+15]);
}
static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value,
u16 index, unsigned char *cp, u16 size)
{
int status = -ENODEV;
mutex_lock(&dev->mutex);
if (dev->usbdev) {
/* cp must be memory that has been allocated by kmalloc */
status = usb_control_msg(dev->usbdev,
usb_sndctrlpipe(dev->usbdev, 0),
request,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index,
cp, size, 1000);
status = min(status, 0);
if (status < 0) {
_err("%s() Failed sending control message, error %d.\n",
__FUNCTION__,
status);
}
}
mutex_unlock(&dev->mutex);
return status;
}
static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value,
u16 index, unsigned char *cp, u16 size)
{
int status = -ENODEV;
mutex_lock(&dev->mutex);
if (dev->usbdev) {
memset(dev->ctrlmsg, 0, sizeof(dev->ctrlmsg));
/* cp must be memory that has been allocated by kmalloc */
status = usb_control_msg(dev->usbdev,
usb_rcvctrlpipe(dev->usbdev, 0),
request,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index,
cp, size, 1000);
status = min(status, 0);
if (status < 0) {
_err("%s() Failed receiving ctrl msg, error %d.\n",
__FUNCTION__,
status);
}
else
if (debug > 4)
cmd_msg_dump(dev);
}
mutex_unlock(&dev->mutex);
return status;
}
static void au0828_usb_disconnect(struct usb_interface *interface)
{
struct au0828_dev *dev = usb_get_intfdata(interface);
_dbg(1,"%s()\n", __FUNCTION__);
/* Digital TV */
au0828_dvb_unregister(dev);
/* I2C */
au0828_i2c_unregister(dev);
usb_set_intfdata(interface, NULL);
mutex_lock(&dev->mutex);
dev->usbdev = NULL;
mutex_unlock(&dev->mutex);
kfree(dev);
}
static int au0828_usb_probe (struct usb_interface *interface,
const struct usb_device_id *id)
{
int ifnum;
struct au0828_dev *dev;
struct usb_device *usbdev = interface_to_usbdev(interface);
ifnum = interface->altsetting->desc.bInterfaceNumber;
if (ifnum != 0)
return -ENODEV;
_dbg(1,"%s() vendor id 0x%x device id 0x%x ifnum:%d\n",
__FUNCTION__,
le16_to_cpu(usbdev->descriptor.idVendor),
le16_to_cpu(usbdev->descriptor.idProduct),
ifnum);
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
_err("Unable to allocate memory\n");
return -ENOMEM;
}
mutex_init(&dev->mutex);
mutex_init(&dev->dvb.lock);
dev->usbdev = usbdev;
dev->board = id->driver_info;
usb_set_intfdata(interface, dev);
/* Power Up the bridge */
au0828_write(dev, REG_600, 1 << 4);
/* Bring up the GPIO's and supporting devices */
au0828_gpio_setup(dev);
/* I2C */
au0828_i2c_register(dev);
/* Digital TV */
au0828_dvb_register(dev);
_info("Registered device AU0828 [%s]\n",
au0828_boards[dev->board].name);
return 0;
}
static struct usb_driver au0828_usb_driver = {
.name = DRIVER_NAME,
.probe = au0828_usb_probe,
.disconnect = au0828_usb_disconnect,
.id_table = au0828_usb_id_table,
};
static int __init au0828_init(void)
{
int ret;
_info("au0828 driver loaded\n");
ret = usb_register(&au0828_usb_driver);
if (ret)
_err("usb_register failed, error = %d\n", ret);
return ret;
}
static void __exit au0828_exit(void)
{
usb_deregister(&au0828_usb_driver);
}
module_init(au0828_init);
module_exit(au0828_exit);
MODULE_DESCRIPTION("Driver for Auvitek AU0828 based products");
MODULE_AUTHOR("Steven Toth <stoth@hauppauge.com>");
MODULE_LICENSE("GPL");

371
drivers/media/video/au0828/au0828-dvb.c Normal file
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@ -0,0 +1,371 @@
/*
* Driver for the Auvitek USB bridge
*
* Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
*
* 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/init.h>
#include <linux/device.h>
#include <linux/suspend.h>
#include <media/v4l2-common.h>
#include "au0828.h"
#include "au8522.h"
#include "xc5000.h"
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
unsigned int dvb_debug = 1;
#define _dbg(level, fmt, arg...)\
do { if (dvb_debug >= level)\
printk(KERN_DEBUG "%s/0: " fmt, DRIVER_NAME, ## arg);\
} while (0)
static struct au8522_config hauppauge_hvr950q_config = {
.demod_address = 0x8e >> 1,
.status_mode = AU8522_DEMODLOCKING,
};
static struct xc5000_config hauppauge_hvr950q_tunerconfig = {
.i2c_address = 0x61,
.if_khz = 6000,
.tuner_callback = au0828_tuner_callback
};
/*-------------------------------------------------------------------*/
static void urb_completion(struct urb *purb)
{
u8 *ptr;
struct au0828_dev *dev = purb->context;
int ptype = usb_pipetype(purb->pipe);
if (dev->urb_streaming == 0)
return;
if (ptype != PIPE_BULK) {
printk(KERN_ERR "%s() Unsupported URB type %d\n", __FUNCTION__, ptype);
return;
}
ptr = (u8 *)purb->transfer_buffer;
/* Feed the transport payload into the kernel demux */
dvb_dmx_swfilter_packets(&dev->dvb.demux, purb->transfer_buffer, purb->actual_length / 188);
/* Clean the buffer before we requeue */
memset(purb->transfer_buffer, 0, URB_BUFSIZE);
/* Requeue URB */
usb_submit_urb(purb, GFP_ATOMIC);
}
static int stop_urb_transfer(struct au0828_dev *dev)
{
int i;
printk(KERN_INFO "%s()\n", __FUNCTION__);
/* FIXME: Do we need to free the transfer_buffers? */
for (i = 0; i < URB_COUNT; i++) {
usb_kill_urb(dev->urbs[i]);
kfree(dev->urbs[i]->transfer_buffer);
usb_free_urb(dev->urbs[i]);
}
dev->urb_streaming = 0;
return 0;
}
#define _AU0828_BULKPIPE 0x83
#define _BULKPIPESIZE 0xe522
static int start_urb_transfer(struct au0828_dev *dev)
{
struct urb *purb;
int i, ret = -ENOMEM;
unsigned int pipe = usb_rcvbulkpipe(dev->usbdev, _AU0828_BULKPIPE);
int pipesize = usb_maxpacket(dev->usbdev, pipe, usb_pipeout(pipe));
int packets = _BULKPIPESIZE / pipesize;
int transfer_buflen = packets * pipesize;
printk(KERN_INFO "%s() transfer_buflen = %d\n", __FUNCTION__, transfer_buflen);
if (dev->urb_streaming) {
printk("%s: iso xfer already running!\n", __FUNCTION__);
return 0;
}
for (i = 0; i < URB_COUNT; i++) {
dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->urbs[i]) {
goto err;
}
purb = dev->urbs[i];
purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL);
if (!purb->transfer_buffer) {
usb_free_urb(purb);
dev->urbs[i] = 0;
goto err;
}
purb->status = -EINPROGRESS;
usb_fill_bulk_urb(purb,
dev->usbdev,
usb_rcvbulkpipe(dev->usbdev, _AU0828_BULKPIPE),
purb->transfer_buffer,
URB_BUFSIZE,
urb_completion,
dev);
}
for (i = 0; i < URB_COUNT; i++) {
ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
if (ret != 0) {
stop_urb_transfer(dev);
printk("%s: failed urb submission, err = %d\n", __FUNCTION__, ret);
return ret;
}
}
dev->urb_streaming = 1;
ret = 0;
err:
return ret;
}
static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
{
struct dvb_demux *demux = feed->demux;
struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
struct au0828_dvb *dvb = &dev->dvb;
int ret = 0;
printk(KERN_INFO "%s() pid = 0x%x index = %d\n", __FUNCTION__, feed->pid, feed->index);
if (!demux->dmx.frontend)
return -EINVAL;
printk(KERN_INFO "%s() Preparing, feeding = %d\n", __FUNCTION__, dvb->feeding);
if (dvb) {
mutex_lock(&dvb->lock);
if (dvb->feeding++ == 0) {
printk(KERN_INFO "%s() Starting Transport DMA\n",
__FUNCTION__);
au0828_write(dev, 0x608, 0x90);
au0828_write(dev, 0x609, 0x72);
au0828_write(dev, 0x60a, 0x71);
au0828_write(dev, 0x60b, 0x01);
ret = start_urb_transfer(dev);
}
mutex_unlock(&dvb->lock);
}
return ret;
}
static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
{
struct dvb_demux *demux = feed->demux;
struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
struct au0828_dvb *dvb = &dev->dvb;
int ret = 0;
printk(KERN_INFO "%s() pid = 0x%x index = %d\n", __FUNCTION__, feed->pid, feed->index);
if (dvb) {
mutex_lock(&dvb->lock);
if (--dvb->feeding == 0) {
printk(KERN_INFO "%s() Stopping Transport DMA\n",
__FUNCTION__);
au0828_write(dev, 0x608, 0x00);
au0828_write(dev, 0x609, 0x00);
au0828_write(dev, 0x60a, 0x00);
au0828_write(dev, 0x60b, 0x00);
ret = stop_urb_transfer(dev);
}
mutex_unlock(&dvb->lock);
}
return ret;
}
int dvb_register(struct au0828_dev *dev)
{
struct au0828_dvb *dvb = &dev->dvb;
int result;
/* register adapter */
result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
&dev->usbdev->dev, adapter_nr);
if (result < 0) {
printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
DRIVER_NAME, result);
goto fail_adapter;
}
dvb->adapter.priv = dev;
/* register frontend */
result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
if (result < 0) {
printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
DRIVER_NAME, result);
goto fail_frontend;
}
/* register demux stuff */
dvb->demux.dmx.capabilities =
DMX_TS_FILTERING | DMX_SECTION_FILTERING |
DMX_MEMORY_BASED_FILTERING;
dvb->demux.priv = dev;
dvb->demux.filternum = 256;
dvb->demux.feednum = 256;
dvb->demux.start_feed = au0828_dvb_start_feed;
dvb->demux.stop_feed = au0828_dvb_stop_feed;
result = dvb_dmx_init(&dvb->demux);
if (result < 0) {
printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
DRIVER_NAME, result);
goto fail_dmx;
}
dvb->dmxdev.filternum = 256;
dvb->dmxdev.demux = &dvb->demux.dmx;
dvb->dmxdev.capabilities = 0;
result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
if (result < 0) {
printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
DRIVER_NAME, result);
goto fail_dmxdev;
}
dvb->fe_hw.source = DMX_FRONTEND_0;
result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
if (result < 0) {
printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
DRIVER_NAME, result);
goto fail_fe_hw;
}
dvb->fe_mem.source = DMX_MEMORY_FE;
result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
if (result < 0) {
printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
DRIVER_NAME, result);
goto fail_fe_mem;
}
result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
if (result < 0) {
printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
DRIVER_NAME, result);
goto fail_fe_conn;
}
/* register network adapter */
dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
return 0;
fail_fe_conn:
dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
fail_fe_mem:
dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
fail_fe_hw:
dvb_dmxdev_release(&dvb->dmxdev);
fail_dmxdev:
dvb_dmx_release(&dvb->demux);
fail_dmx:
dvb_unregister_frontend(dvb->frontend);
fail_frontend:
dvb_frontend_detach(dvb->frontend);
dvb_unregister_adapter(&dvb->adapter);
fail_adapter:
return result;
}
void au0828_dvb_unregister(struct au0828_dev *dev)
{
struct au0828_dvb *dvb = &dev->dvb;
dvb_net_release(&dvb->net);
dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
dvb_dmxdev_release(&dvb->dmxdev);
dvb_dmx_release(&dvb->demux);
dvb_unregister_frontend(dvb->frontend);
dvb_frontend_detach(dvb->frontend);
dvb_unregister_adapter(&dvb->adapter);
}
/* All the DVB attach calls go here, this function get's modified
* for each new card. No other function in this file needs
* to change.
*/
int au0828_dvb_register(struct au0828_dev *dev)
{
struct au0828_dvb *dvb = &dev->dvb;
int ret;
/* init frontend */
switch (dev->board) {
case AU0828_BOARD_HAUPPAUGE_HVR850:
case AU0828_BOARD_HAUPPAUGE_HVR950Q:
case AU0828_BOARD_DVICO_FUSIONHDTV7:
dvb->frontend = dvb_attach(au8522_attach,
&hauppauge_hvr950q_config,
&dev->i2c_adap);
if (dvb->frontend != NULL) {
hauppauge_hvr950q_tunerconfig.priv = dev;
dvb_attach(xc5000_attach, dvb->frontend,
&dev->i2c_adap,
&hauppauge_hvr950q_tunerconfig);
}
break;
default:
printk("The frontend of your DVB/ATSC card isn't supported yet\n");
break;
}
if (NULL == dvb->frontend) {
printk("Frontend initialization failed\n");
return -1;
}
/* Put the analog decoder in standby to keep it quiet */
au0828_call_i2c_clients(dev, TUNER_SET_STANDBY, NULL);
if (dvb->frontend->ops.analog_ops.standby)
dvb->frontend->ops.analog_ops.standby(dvb->frontend);
/* register everything */
ret = dvb_register(dev);
if (ret < 0) {
if (dvb->frontend->ops.release)
dvb->frontend->ops.release(dvb->frontend);
return ret;
}
return 0;
}

402
drivers/media/video/au0828/au0828-i2c.c Normal file
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@ -0,0 +1,402 @@
/*
* Driver for the Auvitek AU0828 USB bridge
*
* Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
*
* 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/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <asm/io.h>
#include "au0828.h"
#include <media/v4l2-common.h>
static unsigned int i2c_debug;
module_param(i2c_debug, int, 0644);
MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
static unsigned int i2c_scan = 0;
module_param(i2c_scan, int, 0444);
MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time");
#define dprintk(level, fmt, arg...)\
do { if (i2c_debug >= level)\
printk(KERN_DEBUG "%s/0: " fmt, DRIVER_NAME, ## arg);\
} while (0)
#define I2C_WAIT_DELAY 512
#define I2C_WAIT_RETRY 64
static inline int i2c_slave_did_write_ack(struct i2c_adapter *i2c_adap)
{
struct au0828_dev *dev = i2c_adap->algo_data;
return au0828_read(dev, REG_201) & 0x08 ? 0 : 1;
}
static inline int i2c_slave_did_read_ack(struct i2c_adapter *i2c_adap)
{
struct au0828_dev *dev = i2c_adap->algo_data;
return au0828_read(dev, REG_201) & 0x02 ? 0 : 1;
}
static int i2c_wait_read_ack(struct i2c_adapter *i2c_adap)
{
int count;
for (count = 0; count < I2C_WAIT_RETRY; count++) {
if (!i2c_slave_did_read_ack(i2c_adap))
break;
udelay(I2C_WAIT_DELAY);
}
if (I2C_WAIT_RETRY == count)
return 0;
return 1;
}
static inline int i2c_is_read_busy(struct i2c_adapter *i2c_adap)
{
struct au0828_dev *dev = i2c_adap->algo_data;
return au0828_read(dev, REG_201) & 0x01 ? 0 : 1;
}
static int i2c_wait_read_done(struct i2c_adapter *i2c_adap)
{
int count;
for (count = 0; count < I2C_WAIT_RETRY; count++) {
if (!i2c_is_read_busy(i2c_adap))
break;
udelay(I2C_WAIT_DELAY);
}
if (I2C_WAIT_RETRY == count)
return 0;
return 1;
}
static inline int i2c_is_write_done(struct i2c_adapter *i2c_adap)
{
struct au0828_dev *dev = i2c_adap->algo_data;
return au0828_read(dev, REG_201) & 0x04 ? 1 : 0;
}
static int i2c_wait_write_done(struct i2c_adapter *i2c_adap)
{
int count;
for (count = 0; count < I2C_WAIT_RETRY; count++) {
if (i2c_is_write_done(i2c_adap))
break;
udelay(I2C_WAIT_DELAY);
}
if (I2C_WAIT_RETRY == count)
return 0;
return 1;
}
static inline int i2c_is_busy(struct i2c_adapter *i2c_adap)
{
struct au0828_dev *dev = i2c_adap->algo_data;
return au0828_read(dev, REG_201) & 0x10 ? 1 : 0;
}
static int i2c_wait_done(struct i2c_adapter *i2c_adap)
{
int count;
for (count = 0; count < I2C_WAIT_RETRY; count++) {
if (!i2c_is_busy(i2c_adap))
break;
udelay(I2C_WAIT_DELAY);
}
if (I2C_WAIT_RETRY == count)
return 0;
return 1;
}
/* FIXME: Implement join handling correctly */
static int i2c_sendbytes(struct i2c_adapter *i2c_adap,
const struct i2c_msg *msg, int joined_rlen)
{
int i, strobe = 0;
struct au0828_dev *dev = i2c_adap->algo_data;
dprintk(1, "%s()\n", __FUNCTION__);
au0828_write(dev, REG_2FF, 0x01);
au0828_write(dev, REG_202, 0x07);
/* Hardware needs 8 bit addresses */
au0828_write(dev, REG_203, msg->addr << 1);
if (i2c_debug)
dprintk(1, "SEND: %02x\n", msg->addr);
for (i=0; i < msg->len;) {
if (i2c_debug)
dprintk(1, " %02x\n", msg->buf[i]);
au0828_write(dev, REG_205, msg->buf[i]);
strobe++;
i++;
if ((strobe >= 4) || (i >= msg->len)) {
/* Strobe the byte into the bus */
if (i < msg->len)
au0828_write(dev, REG_200, 0x41);
else
au0828_write(dev, REG_200, 0x01);
/* Reset strobe trigger */
strobe = 0;
if (!i2c_wait_write_done(i2c_adap))
return -EIO;
}
}
if (!i2c_wait_done(i2c_adap))
return -EIO;
if (i2c_debug)
dprintk(1, "\n");
return msg->len;
}
/* FIXME: Implement join handling correctly */
static int i2c_readbytes(struct i2c_adapter *i2c_adap,
const struct i2c_msg *msg, int joined)
{
struct au0828_dev *dev = i2c_adap->algo_data;
int i;
dprintk(1, "%s()\n", __FUNCTION__);
au0828_write(dev, REG_2FF, 0x01);
au0828_write(dev, REG_202, 0x07);
/* Hardware needs 8 bit addresses */
au0828_write(dev, REG_203, msg->addr << 1);
if (i2c_debug)
dprintk(1, " RECV:\n");
/* Deal with i2c_scan */
if (msg->len == 0) {
au0828_write(dev, REG_200, 0x20);
if (i2c_wait_read_ack(i2c_adap))
return -EIO;
return 0;
}
for (i=0; i < msg->len;) {
i++;
if (i < msg->len)
au0828_write(dev, REG_200, 0x60);
else
au0828_write(dev, REG_200, 0x20);
if (!i2c_wait_read_done(i2c_adap))
return -EIO;
msg->buf[i-1] = au0828_read(dev, REG_209) & 0xff;
if (i2c_debug)
dprintk(1, " %02x\n", msg->buf[i-1]);
}
if (!i2c_wait_done(i2c_adap))
return -EIO;
if (i2c_debug)
dprintk(1, "\n");
return msg->len;
}
static int i2c_xfer(struct i2c_adapter *i2c_adap,
struct i2c_msg *msgs, int num)
{
int i, retval = 0;
dprintk(1, "%s(num = %d)\n", __FUNCTION__, num);
for (i = 0 ; i < num; i++) {
dprintk(1, "%s(num = %d) addr = 0x%02x len = 0x%x\n",
__FUNCTION__, num, msgs[i].addr, msgs[i].len);
if (msgs[i].flags & I2C_M_RD) {
/* read */
retval = i2c_readbytes(i2c_adap, &msgs[i], 0);
} else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) &&
msgs[i].addr == msgs[i + 1].addr) {
/* write then read from same address */
retval = i2c_sendbytes(i2c_adap, &msgs[i],
msgs[i + 1].len);
if (retval < 0)
goto err;
i++;
retval = i2c_readbytes(i2c_adap, &msgs[i], 1);
} else {
/* write */
retval = i2c_sendbytes(i2c_adap, &msgs[i], 0);
}
if (retval < 0)
goto err;
}
return num;
err:
return retval;
}
static int attach_inform(struct i2c_client *client)
{
dprintk(1, "%s i2c attach [addr=0x%x,client=%s]\n",
client->driver->driver.name, client->addr, client->name);
if (!client->driver->command)
return 0;
return 0;
}
static int detach_inform(struct i2c_client *client)
{
dprintk(1, "i2c detach [client=%s]\n", client->name);
return 0;
}
void au0828_call_i2c_clients(struct au0828_dev *dev,
unsigned int cmd, void *arg)
{
if (dev->i2c_rc != 0)
return;
i2c_clients_command(&dev->i2c_adap, cmd, arg);
}
static u32 au0828_functionality(struct i2c_adapter *adap)
{
return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C;
}
static struct i2c_algorithm au0828_i2c_algo_template = {
.master_xfer = i2c_xfer,
.functionality = au0828_functionality,
};
/* ----------------------------------------------------------------------- */
static struct i2c_adapter au0828_i2c_adap_template = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
.id = I2C_HW_B_AU0828,
.algo = &au0828_i2c_algo_template,
.class = I2C_CLASS_TV_ANALOG,
.client_register = attach_inform,
.client_unregister = detach_inform,
};
static struct i2c_client au0828_i2c_client_template = {
.name = "au0828 internal",
};
static char *i2c_devs[128] = {
[ 0x8e >> 1 ] = "au8522",
[ 0xa0 >> 1 ] = "eeprom",
[ 0xc2 >> 1 ] = "tuner/xc5000",
};
static void do_i2c_scan(char *name, struct i2c_client *c)
{
unsigned char buf;
int i, rc;
for (i = 0; i < 128; i++) {
c->addr = i;
rc = i2c_master_recv(c, &buf, 0);
if (rc < 0)
continue;
printk("%s: i2c scan: found device @ 0x%x [%s]\n",
name, i << 1, i2c_devs[i] ? i2c_devs[i] : "???");
}
}
/* init + register i2c algo-bit adapter */
int au0828_i2c_register(struct au0828_dev *dev)
{
dprintk(1, "%s()\n", __FUNCTION__);
memcpy(&dev->i2c_adap, &au0828_i2c_adap_template,
sizeof(dev->i2c_adap));
memcpy(&dev->i2c_algo, &au0828_i2c_algo_template,
sizeof(dev->i2c_algo));
memcpy(&dev->i2c_client, &au0828_i2c_client_template,
sizeof(dev->i2c_client));
dev->i2c_adap.dev.parent = &dev->usbdev->dev;
strlcpy(dev->i2c_adap.name, DRIVER_NAME,
sizeof(dev->i2c_adap.name));
dev->i2c_algo.data = dev;
dev->i2c_adap.algo_data = dev;
i2c_set_adapdata(&dev->i2c_adap, dev);
i2c_add_adapter(&dev->i2c_adap);
dev->i2c_client.adapter = &dev->i2c_adap;
if (0 == dev->i2c_rc) {
printk("%s: i2c bus registered\n", DRIVER_NAME);
if (i2c_scan)
do_i2c_scan(DRIVER_NAME, &dev->i2c_client);
} else
printk("%s: i2c bus register FAILED\n", DRIVER_NAME);
return dev->i2c_rc;
}
int au0828_i2c_unregister(struct au0828_dev *dev)
{
i2c_del_adapter(&dev->i2c_adap);
return 0;
}
/* ----------------------------------------------------------------------- */
/*
* Local variables:
* c-basic-offset: 8
* End:
*/

35
drivers/media/video/au0828/au0828-reg.h Normal file
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@ -0,0 +1,35 @@
/*
* Driver for the Auvitek USB bridge
*
* Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
*
* 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.
*/
#define REG_000 0x000
#define REG_001 0x001
#define REG_002 0x002
#define REG_003 0x003
#define REG_200 0x200
#define REG_201 0x201
#define REG_202 0x202
#define REG_203 0x203
#define REG_205 0x205
#define REG_209 0x209
#define REG_2FF 0x2ff
#define REG_600 0x600

117
drivers/media/video/au0828/au0828.h Normal file
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/*
* Driver for the Auvitek AU0828 USB bridge
*
* Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
*
* 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/usb.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
/* DVB */
#include "demux.h"
#include "dmxdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb_net.h"
#include "dvbdev.h"
#include "au0828-reg.h"
#include "au0828-cards.h"
#define DRIVER_NAME "au0828"
#define URB_COUNT 16
//#define URB_BUFSIZE (312 * 188)
#define URB_BUFSIZE (0xe522)
struct au0828_board {
char *name;
};
struct au0828_dvb {
struct mutex lock;
struct dvb_adapter adapter;
struct dvb_frontend *frontend;
struct dvb_demux demux;
struct dmxdev dmxdev;
struct dmx_frontend fe_hw;
struct dmx_frontend fe_mem;
struct dvb_net net;
int feeding;
};
struct au0828_dev {
struct mutex mutex;
struct usb_device *usbdev;
int board;
u8 ctrlmsg[64];
/* I2C */
struct i2c_adapter i2c_adap;
struct i2c_algo_bit_data i2c_algo;
struct i2c_client i2c_client;
u32 i2c_rc;
/* Digital */
struct au0828_dvb dvb;
/* USB / URB Related */
int urb_streaming;
struct urb *urbs[URB_COUNT];
};
struct au0828_buff {
struct au0828_dev *dev;
struct urb *purb;
struct list_head buff_list;
};
/* ----------------------------------------------------------- */
#define au0828_read(dev,reg) au0828_readreg(dev,reg)
#define au0828_write(dev,reg,value) au0828_writereg(dev,reg,value)
#define au0828_andor(dev,reg,mask,value) \
au0828_writereg(dev,reg,(au0828_readreg(dev,reg)&~(mask))|((value)&(mask)))
#define au0828_set(dev,reg,bit) au0828_andor(dev,(reg),(bit),(bit))
#define au0828_clear(dev,reg,bit) au0828_andor(dev,(reg),(bit),0)
/* ----------------------------------------------------------- */
/* au0828-core.c */
extern u32 au0828_read(struct au0828_dev *dev, u16 reg);
extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val);
/* ----------------------------------------------------------- */
/* au0828-cards.c */
extern struct au0828_board au0828_boards[];
extern struct usb_device_id au0828_usb_id_table[];
extern const unsigned int au0828_bcount;
extern void au0828_gpio_setup(struct au0828_dev *dev);
extern int au0828_tuner_callback(void *priv, int command, int arg);
/* ----------------------------------------------------------- */
/* au0828-i2c.c */
extern int au0828_i2c_register(struct au0828_dev *dev);
extern int au0828_i2c_unregister(struct au0828_dev *dev);
extern void au0828_call_i2c_clients(struct au0828_dev *dev,
unsigned int cmd, void *arg);
/* ----------------------------------------------------------- */
/* au0828-dvb.c */
extern int au0828_dvb_register(struct au0828_dev *dev);
extern void au0828_dvb_unregister(struct au0828_dev *dev);