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android_kernel_xiaomi_sm8350/drivers/media/dvb/ttpci/budget-av.c
Antti Palosaari 4388c3b4fe V4L/DVB (7912): TDA10023: make few parameters configurable 
- separate TDA10021 and TDA10023 attach
- configurable Xtal settings
- configurable input freq offset + baseband conversion type settings

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-07-20 07:06:06 -03:00

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/*
* budget-av.c: driver for the SAA7146 based Budget DVB cards
* with analog video in
*
* Compiled from various sources by Michael Hunold <michael@mihu.de>
*
* CI interface support (c) 2004 Olivier Gournet <ogournet@anevia.com> &
* Andrew de Quincey <adq_dvb@lidskialf.net>
*
* Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de>
*
* Copyright (C) 1999-2002 Ralph Metzler
* & Marcus Metzler for convergence integrated media GmbH
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
*
*
* the project's page is at http://www.linuxtv.org/dvb/
*/
#include "budget.h"
#include "stv0299.h"
#include "tda1002x.h"
#include "tda1004x.h"
#include "tua6100.h"
#include "dvb-pll.h"
#include <media/saa7146_vv.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/spinlock.h>
#include "dvb_ca_en50221.h"
#define DEBICICAM 0x02420000
#define SLOTSTATUS_NONE 1
#define SLOTSTATUS_PRESENT 2
#define SLOTSTATUS_RESET 4
#define SLOTSTATUS_READY 8
#define SLOTSTATUS_OCCUPIED (SLOTSTATUS_PRESENT|SLOTSTATUS_RESET|SLOTSTATUS_READY)
struct budget_av {
struct budget budget;
struct video_device *vd;
int cur_input;
int has_saa7113;
struct tasklet_struct ciintf_irq_tasklet;
int slot_status;
struct dvb_ca_en50221 ca;
u8 reinitialise_demod:1;
};
static int ciintf_slot_shutdown(struct dvb_ca_en50221 *ca, int slot);
/* GPIO Connections:
* 0 - Vcc/Reset (Reset is controlled by capacitor). Resets the frontend *AS WELL*!
* 1 - CI memory select 0=>IO memory, 1=>Attribute Memory
* 2 - CI Card Enable (Active Low)
* 3 - CI Card Detect
*/
/****************************************************************************
* INITIALIZATION
****************************************************************************/
static u8 i2c_readreg(struct i2c_adapter *i2c, u8 id, u8 reg)
{
u8 mm1[] = { 0x00 };
u8 mm2[] = { 0x00 };
struct i2c_msg msgs[2];
msgs[0].flags = 0;
msgs[1].flags = I2C_M_RD;
msgs[0].addr = msgs[1].addr = id / 2;
mm1[0] = reg;
msgs[0].len = 1;
msgs[1].len = 1;
msgs[0].buf = mm1;
msgs[1].buf = mm2;
i2c_transfer(i2c, msgs, 2);
return mm2[0];
}
static int i2c_readregs(struct i2c_adapter *i2c, u8 id, u8 reg, u8 * buf, u8 len)
{
u8 mm1[] = { reg };
struct i2c_msg msgs[2] = {
{.addr = id / 2,.flags = 0,.buf = mm1,.len = 1},
{.addr = id / 2,.flags = I2C_M_RD,.buf = buf,.len = len}
};
if (i2c_transfer(i2c, msgs, 2) != 2)
return -EIO;
return 0;
}
static int i2c_writereg(struct i2c_adapter *i2c, u8 id, u8 reg, u8 val)
{
u8 msg[2] = { reg, val };
struct i2c_msg msgs;
msgs.flags = 0;
msgs.addr = id / 2;
msgs.len = 2;
msgs.buf = msg;
return i2c_transfer(i2c, &msgs, 1);
}
static int ciintf_read_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address)
{
struct budget_av *budget_av = (struct budget_av *) ca->data;
int result;
if (slot != 0)
return -EINVAL;
saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTHI);
udelay(1);
result = ttpci_budget_debiread(&budget_av->budget, DEBICICAM, address & 0xfff, 1, 0, 1);
if (result == -ETIMEDOUT) {
ciintf_slot_shutdown(ca, slot);
printk(KERN_INFO "budget-av: cam ejected 1\n");
}
return result;
}
static int ciintf_write_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address, u8 value)
{
struct budget_av *budget_av = (struct budget_av *) ca->data;
int result;
if (slot != 0)
return -EINVAL;
saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTHI);
udelay(1);
result = ttpci_budget_debiwrite(&budget_av->budget, DEBICICAM, address & 0xfff, 1, value, 0, 1);
if (result == -ETIMEDOUT) {
ciintf_slot_shutdown(ca, slot);
printk(KERN_INFO "budget-av: cam ejected 2\n");
}
return result;
}
static int ciintf_read_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 address)
{
struct budget_av *budget_av = (struct budget_av *) ca->data;
int result;
if (slot != 0)
return -EINVAL;
saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO);
udelay(1);
result = ttpci_budget_debiread(&budget_av->budget, DEBICICAM, address & 3, 1, 0, 0);
if (result == -ETIMEDOUT) {
ciintf_slot_shutdown(ca, slot);
printk(KERN_INFO "budget-av: cam ejected 3\n");
return -ETIMEDOUT;
}
return result;
}
static int ciintf_write_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 address, u8 value)
{
struct budget_av *budget_av = (struct budget_av *) ca->data;
int result;
if (slot != 0)
return -EINVAL;
saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO);
udelay(1);
result = ttpci_budget_debiwrite(&budget_av->budget, DEBICICAM, address & 3, 1, value, 0, 0);
if (result == -ETIMEDOUT) {
ciintf_slot_shutdown(ca, slot);
printk(KERN_INFO "budget-av: cam ejected 5\n");
}
return result;
}
static int ciintf_slot_reset(struct dvb_ca_en50221 *ca, int slot)
{
struct budget_av *budget_av = (struct budget_av *) ca->data;
struct saa7146_dev *saa = budget_av->budget.dev;
if (slot != 0)
return -EINVAL;
dprintk(1, "ciintf_slot_reset\n");
budget_av->slot_status = SLOTSTATUS_RESET;
saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */
saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI); /* Vcc off */
msleep(2);
saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO); /* Vcc on */
msleep(20); /* 20 ms Vcc settling time */
saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTLO); /* enable card */
ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTB);
msleep(20);
/* reinitialise the frontend if necessary */
if (budget_av->reinitialise_demod)
dvb_frontend_reinitialise(budget_av->budget.dvb_frontend);
return 0;
}
static int ciintf_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
{
struct budget_av *budget_av = (struct budget_av *) ca->data;
struct saa7146_dev *saa = budget_av->budget.dev;
if (slot != 0)
return -EINVAL;
dprintk(1, "ciintf_slot_shutdown\n");
ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTB);
budget_av->slot_status = SLOTSTATUS_NONE;
return 0;
}
static int ciintf_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
{
struct budget_av *budget_av = (struct budget_av *) ca->data;
struct saa7146_dev *saa = budget_av->budget.dev;
if (slot != 0)
return -EINVAL;
dprintk(1, "ciintf_slot_ts_enable: %d\n", budget_av->slot_status);
ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTA);
return 0;
}
static int ciintf_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
{
struct budget_av *budget_av = (struct budget_av *) ca->data;
struct saa7146_dev *saa = budget_av->budget.dev;
int result;
if (slot != 0)
return -EINVAL;
/* test the card detect line - needs to be done carefully
* since it never goes high for some CAMs on this interface (e.g. topuptv) */
if (budget_av->slot_status == SLOTSTATUS_NONE) {
saa7146_setgpio(saa, 3, SAA7146_GPIO_INPUT);
udelay(1);
if (saa7146_read(saa, PSR) & MASK_06) {
if (budget_av->slot_status == SLOTSTATUS_NONE) {
budget_av->slot_status = SLOTSTATUS_PRESENT;
printk(KERN_INFO "budget-av: cam inserted A\n");
}
}
saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO);
}
/* We also try and read from IO memory to work round the above detection bug. If
* there is no CAM, we will get a timeout. Only done if there is no cam
* present, since this test actually breaks some cams :(
*
* if the CI interface is not open, we also do the above test since we
* don't care if the cam has problems - we'll be resetting it on open() anyway */
if ((budget_av->slot_status == SLOTSTATUS_NONE) || (!open)) {
saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO);
result = ttpci_budget_debiread(&budget_av->budget, DEBICICAM, 0, 1, 0, 1);
if ((result >= 0) && (budget_av->slot_status == SLOTSTATUS_NONE)) {
budget_av->slot_status = SLOTSTATUS_PRESENT;
printk(KERN_INFO "budget-av: cam inserted B\n");
} else if (result < 0) {
if (budget_av->slot_status != SLOTSTATUS_NONE) {
ciintf_slot_shutdown(ca, slot);
printk(KERN_INFO "budget-av: cam ejected 5\n");
return 0;
}
}
}
/* read from attribute memory in reset/ready state to know when the CAM is ready */
if (budget_av->slot_status == SLOTSTATUS_RESET) {
result = ciintf_read_attribute_mem(ca, slot, 0);
if (result == 0x1d) {
budget_av->slot_status = SLOTSTATUS_READY;
}
}
/* work out correct return code */
if (budget_av->slot_status != SLOTSTATUS_NONE) {
if (budget_av->slot_status & SLOTSTATUS_READY) {
return DVB_CA_EN50221_POLL_CAM_PRESENT | DVB_CA_EN50221_POLL_CAM_READY;
}
return DVB_CA_EN50221_POLL_CAM_PRESENT;
}
return 0;
}
static int ciintf_init(struct budget_av *budget_av)
{
struct saa7146_dev *saa = budget_av->budget.dev;
int result;
memset(&budget_av->ca, 0, sizeof(struct dvb_ca_en50221));
saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO);
saa7146_setgpio(saa, 1, SAA7146_GPIO_OUTLO);
saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTLO);
saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO);
/* Enable DEBI pins */
saa7146_write(saa, MC1, MASK_27 | MASK_11);
/* register CI interface */
budget_av->ca.owner = THIS_MODULE;
budget_av->ca.read_attribute_mem = ciintf_read_attribute_mem;
budget_av->ca.write_attribute_mem = ciintf_write_attribute_mem;
budget_av->ca.read_cam_control = ciintf_read_cam_control;
budget_av->ca.write_cam_control = ciintf_write_cam_control;
budget_av->ca.slot_reset = ciintf_slot_reset;
budget_av->ca.slot_shutdown = ciintf_slot_shutdown;
budget_av->ca.slot_ts_enable = ciintf_slot_ts_enable;
budget_av->ca.poll_slot_status = ciintf_poll_slot_status;
budget_av->ca.data = budget_av;
budget_av->budget.ci_present = 1;
budget_av->slot_status = SLOTSTATUS_NONE;
if ((result = dvb_ca_en50221_init(&budget_av->budget.dvb_adapter,
&budget_av->ca, 0, 1)) != 0) {
printk(KERN_ERR "budget-av: ci initialisation failed.\n");
goto error;
}
printk(KERN_INFO "budget-av: ci interface initialised.\n");
return 0;
error:
saa7146_write(saa, MC1, MASK_27);
return result;
}
static void ciintf_deinit(struct budget_av *budget_av)
{
struct saa7146_dev *saa = budget_av->budget.dev;
saa7146_setgpio(saa, 0, SAA7146_GPIO_INPUT);
saa7146_setgpio(saa, 1, SAA7146_GPIO_INPUT);
saa7146_setgpio(saa, 2, SAA7146_GPIO_INPUT);
saa7146_setgpio(saa, 3, SAA7146_GPIO_INPUT);
/* release the CA device */
dvb_ca_en50221_release(&budget_av->ca);
/* disable DEBI pins */
saa7146_write(saa, MC1, MASK_27);
}
static const u8 saa7113_tab[] = {
0x01, 0x08,
0x02, 0xc0,
0x03, 0x33,
0x04, 0x00,
0x05, 0x00,
0x06, 0xeb,
0x07, 0xe0,
0x08, 0x28,
0x09, 0x00,
0x0a, 0x80,
0x0b, 0x47,
0x0c, 0x40,
0x0d, 0x00,
0x0e, 0x01,
0x0f, 0x44,
0x10, 0x08,
0x11, 0x0c,
0x12, 0x7b,
0x13, 0x00,
0x15, 0x00, 0x16, 0x00, 0x17, 0x00,
0x57, 0xff,
0x40, 0x82, 0x58, 0x00, 0x59, 0x54, 0x5a, 0x07,
0x5b, 0x83, 0x5e, 0x00,
0xff
};
static int saa7113_init(struct budget_av *budget_av)
{
struct budget *budget = &budget_av->budget;
struct saa7146_dev *saa = budget->dev;
const u8 *data = saa7113_tab;
saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTHI);
msleep(200);
if (i2c_writereg(&budget->i2c_adap, 0x4a, 0x01, 0x08) != 1) {
dprintk(1, "saa7113 not found on KNC card\n");
return -ENODEV;
}
dprintk(1, "saa7113 detected and initializing\n");
while (*data != 0xff) {
i2c_writereg(&budget->i2c_adap, 0x4a, *data, *(data + 1));
data += 2;
}
dprintk(1, "saa7113 status=%02x\n", i2c_readreg(&budget->i2c_adap, 0x4a, 0x1f));
return 0;
}
static int saa7113_setinput(struct budget_av *budget_av, int input)
{
struct budget *budget = &budget_av->budget;
if (1 != budget_av->has_saa7113)
return -ENODEV;
if (input == 1) {
i2c_writereg(&budget->i2c_adap, 0x4a, 0x02, 0xc7);
i2c_writereg(&budget->i2c_adap, 0x4a, 0x09, 0x80);
} else if (input == 0) {
i2c_writereg(&budget->i2c_adap, 0x4a, 0x02, 0xc0);
i2c_writereg(&budget->i2c_adap, 0x4a, 0x09, 0x00);
} else
return -EINVAL;
budget_av->cur_input = input;
return 0;
}
static int philips_su1278_ty_ci_set_symbol_rate(struct dvb_frontend *fe, u32 srate, u32 ratio)
{
u8 aclk = 0;
u8 bclk = 0;
u8 m1;
aclk = 0xb5;
if (srate < 2000000)
bclk = 0x86;
else if (srate < 5000000)
bclk = 0x89;
else if (srate < 15000000)
bclk = 0x8f;
else if (srate < 45000000)
bclk = 0x95;
m1 = 0x14;
if (srate < 4000000)
m1 = 0x10;
stv0299_writereg(fe, 0x13, aclk);
stv0299_writereg(fe, 0x14, bclk);
stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
stv0299_writereg(fe, 0x21, (ratio) & 0xf0);
stv0299_writereg(fe, 0x0f, 0x80 | m1);
return 0;
}
static int philips_su1278_ty_ci_tuner_set_params(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params)
{
u32 div;
u8 buf[4];
struct budget *budget = (struct budget *) fe->dvb->priv;
struct i2c_msg msg = {.addr = 0x61,.flags = 0,.buf = buf,.len = sizeof(buf) };
if ((params->frequency < 950000) || (params->frequency > 2150000))
return -EINVAL;
div = (params->frequency + (125 - 1)) / 125; // round correctly
buf[0] = (div >> 8) & 0x7f;
buf[1] = div & 0xff;
buf[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
buf[3] = 0x20;
if (params->u.qpsk.symbol_rate < 4000000)
buf[3] |= 1;
if (params->frequency < 1250000)
buf[3] |= 0;
else if (params->frequency < 1550000)
buf[3] |= 0x40;
else if (params->frequency < 2050000)
buf[3] |= 0x80;
else if (params->frequency < 2150000)
buf[3] |= 0xC0;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (i2c_transfer(&budget->i2c_adap, &msg, 1) != 1)
return -EIO;
return 0;
}
static u8 typhoon_cinergy1200s_inittab[] = {
0x01, 0x15,
0x02, 0x30,
0x03, 0x00,
0x04, 0x7d, /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
0x05, 0x35, /* I2CT = 0, SCLT = 1, SDAT = 1 */
0x06, 0x40, /* DAC not used, set to high impendance mode */
0x07, 0x00, /* DAC LSB */
0x08, 0x40, /* DiSEqC off */
0x09, 0x00, /* FIFO */
0x0c, 0x51, /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
0x0d, 0x82, /* DC offset compensation = ON, beta_agc1 = 2 */
0x0e, 0x23, /* alpha_tmg = 2, beta_tmg = 3 */
0x10, 0x3f, // AGC2 0x3d
0x11, 0x84,
0x12, 0xb9,
0x15, 0xc9, // lock detector threshold
0x16, 0x00,
0x17, 0x00,
0x18, 0x00,
0x19, 0x00,
0x1a, 0x00,
0x1f, 0x50,
0x20, 0x00,
0x21, 0x00,
0x22, 0x00,
0x23, 0x00,
0x28, 0x00, // out imp: normal out type: parallel FEC mode:0
0x29, 0x1e, // 1/2 threshold
0x2a, 0x14, // 2/3 threshold
0x2b, 0x0f, // 3/4 threshold
0x2c, 0x09, // 5/6 threshold
0x2d, 0x05, // 7/8 threshold
0x2e, 0x01,
0x31, 0x1f, // test all FECs
0x32, 0x19, // viterbi and synchro search
0x33, 0xfc, // rs control
0x34, 0x93, // error control
0x0f, 0x92,
0xff, 0xff
};
static struct stv0299_config typhoon_config = {
.demod_address = 0x68,
.inittab = typhoon_cinergy1200s_inittab,
.mclk = 88000000UL,
.invert = 0,
.skip_reinit = 0,
.lock_output = STV0299_LOCKOUTPUT_1,
.volt13_op0_op1 = STV0299_VOLT13_OP0,
.min_delay_ms = 100,
.set_symbol_rate = philips_su1278_ty_ci_set_symbol_rate,
};
static struct stv0299_config cinergy_1200s_config = {
.demod_address = 0x68,
.inittab = typhoon_cinergy1200s_inittab,
.mclk = 88000000UL,
.invert = 0,
.skip_reinit = 0,
.lock_output = STV0299_LOCKOUTPUT_0,
.volt13_op0_op1 = STV0299_VOLT13_OP0,
.min_delay_ms = 100,
.set_symbol_rate = philips_su1278_ty_ci_set_symbol_rate,
};
static struct stv0299_config cinergy_1200s_1894_0010_config = {
.demod_address = 0x68,
.inittab = typhoon_cinergy1200s_inittab,
.mclk = 88000000UL,
.invert = 1,
.skip_reinit = 0,
.lock_output = STV0299_LOCKOUTPUT_1,
.volt13_op0_op1 = STV0299_VOLT13_OP0,
.min_delay_ms = 100,
.set_symbol_rate = philips_su1278_ty_ci_set_symbol_rate,
};
static int philips_cu1216_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
struct budget *budget = (struct budget *) fe->dvb->priv;
u8 buf[6];
struct i2c_msg msg = {.addr = 0x60,.flags = 0,.buf = buf,.len = sizeof(buf) };
int i;
#define CU1216_IF 36125000
#define TUNER_MUL 62500
u32 div = (params->frequency + CU1216_IF + TUNER_MUL / 2) / TUNER_MUL;
buf[0] = (div >> 8) & 0x7f;
buf[1] = div & 0xff;
buf[2] = 0xce;
buf[3] = (params->frequency < 150000000 ? 0x01 :
params->frequency < 445000000 ? 0x02 : 0x04);
buf[4] = 0xde;
buf[5] = 0x20;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (i2c_transfer(&budget->i2c_adap, &msg, 1) != 1)
return -EIO;
/* wait for the pll lock */
msg.flags = I2C_M_RD;
msg.len = 1;
for (i = 0; i < 20; i++) {
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (i2c_transfer(&budget->i2c_adap, &msg, 1) == 1 && (buf[0] & 0x40))
break;
msleep(10);
}
/* switch the charge pump to the lower current */
msg.flags = 0;
msg.len = 2;
msg.buf = &buf[2];
buf[2] &= ~0x40;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (i2c_transfer(&budget->i2c_adap, &msg, 1) != 1)
return -EIO;
return 0;
}
static struct tda1002x_config philips_cu1216_config = {
.demod_address = 0x0c,
.invert = 1,
};
static struct tda1002x_config philips_cu1216_config_altaddress = {
.demod_address = 0x0d,
.invert = 0,
};
static struct tda10023_config philips_cu1216_tda10023_config = {
.demod_address = 0x0c,
.invert = 1,
};
static int philips_tu1216_tuner_init(struct dvb_frontend *fe)
{
struct budget *budget = (struct budget *) fe->dvb->priv;
static u8 tu1216_init[] = { 0x0b, 0xf5, 0x85, 0xab };
struct i2c_msg tuner_msg = {.addr = 0x60,.flags = 0,.buf = tu1216_init,.len = sizeof(tu1216_init) };
// setup PLL configuration
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (i2c_transfer(&budget->i2c_adap, &tuner_msg, 1) != 1)
return -EIO;
msleep(1);
return 0;
}
static int philips_tu1216_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
{
struct budget *budget = (struct budget *) fe->dvb->priv;
u8 tuner_buf[4];
struct i2c_msg tuner_msg = {.addr = 0x60,.flags = 0,.buf = tuner_buf,.len =
sizeof(tuner_buf) };
int tuner_frequency = 0;
u8 band, cp, filter;
// determine charge pump
tuner_frequency = params->frequency + 36166000;
if (tuner_frequency < 87000000)
return -EINVAL;
else if (tuner_frequency < 130000000)
cp = 3;
else if (tuner_frequency < 160000000)
cp = 5;
else if (tuner_frequency < 200000000)
cp = 6;
else if (tuner_frequency < 290000000)
cp = 3;
else if (tuner_frequency < 420000000)
cp = 5;
else if (tuner_frequency < 480000000)
cp = 6;
else if (tuner_frequency < 620000000)
cp = 3;
else if (tuner_frequency < 830000000)
cp = 5;
else if (tuner_frequency < 895000000)
cp = 7;
else
return -EINVAL;
// determine band
if (params->frequency < 49000000)
return -EINVAL;
else if (params->frequency < 161000000)
band = 1;
else if (params->frequency < 444000000)
band = 2;
else if (params->frequency < 861000000)
band = 4;
else
return -EINVAL;
// setup PLL filter
switch (params->u.ofdm.bandwidth) {
case BANDWIDTH_6_MHZ:
filter = 0;
break;
case BANDWIDTH_7_MHZ:
filter = 0;
break;
case BANDWIDTH_8_MHZ:
filter = 1;
break;
default:
return -EINVAL;
}
// calculate divisor
// ((36166000+((1000000/6)/2)) + Finput)/(1000000/6)
tuner_frequency = (((params->frequency / 1000) * 6) + 217496) / 1000;
// setup tuner buffer
tuner_buf[0] = (tuner_frequency >> 8) & 0x7f;
tuner_buf[1] = tuner_frequency & 0xff;
tuner_buf[2] = 0xca;
tuner_buf[3] = (cp << 5) | (filter << 3) | band;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (i2c_transfer(&budget->i2c_adap, &tuner_msg, 1) != 1)
return -EIO;
msleep(1);
return 0;
}
static int philips_tu1216_request_firmware(struct dvb_frontend *fe,
const struct firmware **fw, char *name)
{
struct budget *budget = (struct budget *) fe->dvb->priv;
return request_firmware(fw, name, &budget->dev->pci->dev);
}
static struct tda1004x_config philips_tu1216_config = {
.demod_address = 0x8,
.invert = 1,
.invert_oclk = 1,
.xtal_freq = TDA10046_XTAL_4M,
.agc_config = TDA10046_AGC_DEFAULT,
.if_freq = TDA10046_FREQ_3617,
.request_firmware = philips_tu1216_request_firmware,
};
static u8 philips_sd1878_inittab[] = {
0x01, 0x15,
0x02, 0x30,
0x03, 0x00,
0x04, 0x7d,
0x05, 0x35,
0x06, 0x40,
0x07, 0x00,
0x08, 0x43,
0x09, 0x02,
0x0C, 0x51,
0x0D, 0x82,
0x0E, 0x23,
0x10, 0x3f,
0x11, 0x84,
0x12, 0xb9,
0x15, 0xc9,
0x16, 0x19,
0x17, 0x8c,
0x18, 0x59,
0x19, 0xf8,
0x1a, 0xfe,
0x1c, 0x7f,
0x1d, 0x00,
0x1e, 0x00,
0x1f, 0x50,
0x20, 0x00,
0x21, 0x00,
0x22, 0x00,
0x23, 0x00,
0x28, 0x00,
0x29, 0x28,
0x2a, 0x14,
0x2b, 0x0f,
0x2c, 0x09,
0x2d, 0x09,
0x31, 0x1f,
0x32, 0x19,
0x33, 0xfc,
0x34, 0x93,
0xff, 0xff
};
static int philips_sd1878_ci_set_symbol_rate(struct dvb_frontend *fe,
u32 srate, u32 ratio)
{
u8 aclk = 0;
u8 bclk = 0;
u8 m1;
aclk = 0xb5;
if (srate < 2000000)
bclk = 0x86;
else if (srate < 5000000)
bclk = 0x89;
else if (srate < 15000000)
bclk = 0x8f;
else if (srate < 45000000)
bclk = 0x95;
m1 = 0x14;
if (srate < 4000000)
m1 = 0x10;
stv0299_writereg(fe, 0x0e, 0x23);
stv0299_writereg(fe, 0x0f, 0x94);
stv0299_writereg(fe, 0x10, 0x39);
stv0299_writereg(fe, 0x13, aclk);
stv0299_writereg(fe, 0x14, bclk);
stv0299_writereg(fe, 0x15, 0xc9);
stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
stv0299_writereg(fe, 0x21, (ratio) & 0xf0);
stv0299_writereg(fe, 0x0f, 0x80 | m1);
return 0;
}
static struct stv0299_config philips_sd1878_config = {
.demod_address = 0x68,
.inittab = philips_sd1878_inittab,
.mclk = 88000000UL,
.invert = 0,
.skip_reinit = 0,
.lock_output = STV0299_LOCKOUTPUT_1,
.volt13_op0_op1 = STV0299_VOLT13_OP0,
.min_delay_ms = 100,
.set_symbol_rate = philips_sd1878_ci_set_symbol_rate,
};
static u8 read_pwm(struct budget_av *budget_av)
{
u8 b = 0xff;
u8 pwm;
struct i2c_msg msg[] = { {.addr = 0x50,.flags = 0,.buf = &b,.len = 1},
{.addr = 0x50,.flags = I2C_M_RD,.buf = &pwm,.len = 1}
};
if ((i2c_transfer(&budget_av->budget.i2c_adap, msg, 2) != 2)
|| (pwm == 0xff))
pwm = 0x48;
return pwm;
}
#define SUBID_DVBS_KNC1 0x0010
#define SUBID_DVBS_KNC1_PLUS 0x0011
#define SUBID_DVBS_TYPHOON 0x4f56
#define SUBID_DVBS_CINERGY1200 0x1154
#define SUBID_DVBS_CYNERGY1200N 0x1155
#define SUBID_DVBS_TV_STAR 0x0014
#define SUBID_DVBS_TV_STAR_PLUS_X4 0x0015
#define SUBID_DVBS_TV_STAR_CI 0x0016
#define SUBID_DVBS_EASYWATCH_1 0x001a
#define SUBID_DVBS_EASYWATCH_2 0x001b
#define SUBID_DVBS_EASYWATCH 0x001e
#define SUBID_DVBC_EASYWATCH 0x002a
#define SUBID_DVBC_EASYWATCH_MK3 0x002c
#define SUBID_DVBC_KNC1 0x0020
#define SUBID_DVBC_KNC1_PLUS 0x0021
#define SUBID_DVBC_KNC1_MK3 0x0022
#define SUBID_DVBC_KNC1_PLUS_MK3 0x0023
#define SUBID_DVBC_CINERGY1200 0x1156
#define SUBID_DVBC_CINERGY1200_MK3 0x1176
#define SUBID_DVBT_EASYWATCH 0x003a
#define SUBID_DVBT_KNC1_PLUS 0x0031
#define SUBID_DVBT_KNC1 0x0030
#define SUBID_DVBT_CINERGY1200 0x1157
static void frontend_init(struct budget_av *budget_av)
{
struct saa7146_dev * saa = budget_av->budget.dev;
struct dvb_frontend * fe = NULL;
/* Enable / PowerON Frontend */
saa7146_setgpio(saa, 0, SAA7146_GPIO_OUTLO);
/* Wait for PowerON */
msleep(100);
/* additional setup necessary for the PLUS cards */
switch (saa->pci->subsystem_device) {
case SUBID_DVBS_KNC1_PLUS:
case SUBID_DVBC_KNC1_PLUS:
case SUBID_DVBT_KNC1_PLUS:
case SUBID_DVBC_EASYWATCH:
case SUBID_DVBC_KNC1_PLUS_MK3:
saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTHI);
break;
}
switch (saa->pci->subsystem_device) {
case SUBID_DVBS_KNC1:
/*
* maybe that setting is needed for other dvb-s cards as well,
* but so far it has been only confirmed for this type
*/
budget_av->reinitialise_demod = 1;
/* fall through */
case SUBID_DVBS_KNC1_PLUS:
case SUBID_DVBS_EASYWATCH_1:
if (saa->pci->subsystem_vendor == 0x1894) {
fe = dvb_attach(stv0299_attach, &cinergy_1200s_1894_0010_config,
&budget_av->budget.i2c_adap);
if (fe) {
dvb_attach(tua6100_attach, fe, 0x60, &budget_av->budget.i2c_adap);
}
} else {
fe = dvb_attach(stv0299_attach, &typhoon_config,
&budget_av->budget.i2c_adap);
if (fe) {
fe->ops.tuner_ops.set_params = philips_su1278_ty_ci_tuner_set_params;
}
}
break;
case SUBID_DVBS_TV_STAR:
case SUBID_DVBS_TV_STAR_PLUS_X4:
case SUBID_DVBS_TV_STAR_CI:
case SUBID_DVBS_CYNERGY1200N:
case SUBID_DVBS_EASYWATCH:
case SUBID_DVBS_EASYWATCH_2:
fe = dvb_attach(stv0299_attach, &philips_sd1878_config,
&budget_av->budget.i2c_adap);
if (fe) {
dvb_attach(dvb_pll_attach, fe, 0x60,
&budget_av->budget.i2c_adap,
DVB_PLL_PHILIPS_SD1878_TDA8261);
}
break;
case SUBID_DVBS_TYPHOON:
fe = dvb_attach(stv0299_attach, &typhoon_config,
&budget_av->budget.i2c_adap);
if (fe) {
fe->ops.tuner_ops.set_params = philips_su1278_ty_ci_tuner_set_params;
}
break;
case SUBID_DVBS_CINERGY1200:
fe = dvb_attach(stv0299_attach, &cinergy_1200s_config,
&budget_av->budget.i2c_adap);
if (fe) {
fe->ops.tuner_ops.set_params = philips_su1278_ty_ci_tuner_set_params;
}
break;
case SUBID_DVBC_KNC1:
case SUBID_DVBC_KNC1_PLUS:
case SUBID_DVBC_CINERGY1200:
case SUBID_DVBC_EASYWATCH:
budget_av->reinitialise_demod = 1;
budget_av->budget.dev->i2c_bitrate = SAA7146_I2C_BUS_BIT_RATE_240;
fe = dvb_attach(tda10021_attach, &philips_cu1216_config,
&budget_av->budget.i2c_adap,
read_pwm(budget_av));
if (fe == NULL)
fe = dvb_attach(tda10021_attach, &philips_cu1216_config_altaddress,
&budget_av->budget.i2c_adap,
read_pwm(budget_av));
if (fe) {
fe->ops.tuner_ops.set_params = philips_cu1216_tuner_set_params;
}
break;
case SUBID_DVBC_EASYWATCH_MK3:
case SUBID_DVBC_CINERGY1200_MK3:
case SUBID_DVBC_KNC1_MK3:
case SUBID_DVBC_KNC1_PLUS_MK3:
budget_av->reinitialise_demod = 1;
budget_av->budget.dev->i2c_bitrate = SAA7146_I2C_BUS_BIT_RATE_240;
fe = dvb_attach(tda10023_attach,
&philips_cu1216_tda10023_config,
&budget_av->budget.i2c_adap,
read_pwm(budget_av));
if (fe) {
fe->ops.tuner_ops.set_params = philips_cu1216_tuner_set_params;
}
break;
case SUBID_DVBT_EASYWATCH:
case SUBID_DVBT_KNC1:
case SUBID_DVBT_KNC1_PLUS:
case SUBID_DVBT_CINERGY1200:
budget_av->reinitialise_demod = 1;
fe = dvb_attach(tda10046_attach, &philips_tu1216_config,
&budget_av->budget.i2c_adap);
if (fe) {
fe->ops.tuner_ops.init = philips_tu1216_tuner_init;
fe->ops.tuner_ops.set_params = philips_tu1216_tuner_set_params;
}
break;
}
if (fe == NULL) {
printk(KERN_ERR "budget-av: A frontend driver was not found "
"for device %04x/%04x subsystem %04x/%04x\n",
saa->pci->vendor,
saa->pci->device,
saa->pci->subsystem_vendor,
saa->pci->subsystem_device);
return;
}
budget_av->budget.dvb_frontend = fe;
if (dvb_register_frontend(&budget_av->budget.dvb_adapter,
budget_av->budget.dvb_frontend)) {
printk(KERN_ERR "budget-av: Frontend registration failed!\n");
dvb_frontend_detach(budget_av->budget.dvb_frontend);
budget_av->budget.dvb_frontend = NULL;
}
}
static void budget_av_irq(struct saa7146_dev *dev, u32 * isr)
{
struct budget_av *budget_av = (struct budget_av *) dev->ext_priv;
dprintk(8, "dev: %p, budget_av: %p\n", dev, budget_av);
if (*isr & MASK_10)
ttpci_budget_irq10_handler(dev, isr);
}
static int budget_av_detach(struct saa7146_dev *dev)
{
struct budget_av *budget_av = (struct budget_av *) dev->ext_priv;
int err;
dprintk(2, "dev: %p\n", dev);
if (1 == budget_av->has_saa7113) {
saa7146_setgpio(dev, 0, SAA7146_GPIO_OUTLO);
msleep(200);
saa7146_unregister_device(&budget_av->vd, dev);
saa7146_vv_release(dev);
}
if (budget_av->budget.ci_present)
ciintf_deinit(budget_av);
if (budget_av->budget.dvb_frontend != NULL) {
dvb_unregister_frontend(budget_av->budget.dvb_frontend);
dvb_frontend_detach(budget_av->budget.dvb_frontend);
}
err = ttpci_budget_deinit(&budget_av->budget);
kfree(budget_av);
return err;
}
static struct saa7146_ext_vv vv_data;
static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
{
struct budget_av *budget_av;
u8 *mac;
int err;
dprintk(2, "dev: %p\n", dev);
if (!(budget_av = kzalloc(sizeof(struct budget_av), GFP_KERNEL)))
return -ENOMEM;
budget_av->has_saa7113 = 0;
budget_av->budget.ci_present = 0;
dev->ext_priv = budget_av;
if ((err = ttpci_budget_init(&budget_av->budget, dev, info, THIS_MODULE))) {
kfree(budget_av);
return err;
}
/* knc1 initialization */
saa7146_write(dev, DD1_STREAM_B, 0x04000000);
saa7146_write(dev, DD1_INIT, 0x07000600);
saa7146_write(dev, MC2, MASK_09 | MASK_25 | MASK_10 | MASK_26);
if (saa7113_init(budget_av) == 0) {
budget_av->has_saa7113 = 1;
if (0 != saa7146_vv_init(dev, &vv_data)) {
/* fixme: proper cleanup here */
ERR(("cannot init vv subsystem.\n"));
return err;
}
if ((err = saa7146_register_device(&budget_av->vd, dev, "knc1", VFL_TYPE_GRABBER))) {
/* fixme: proper cleanup here */
ERR(("cannot register capture v4l2 device.\n"));
saa7146_vv_release(dev);
return err;
}
/* beware: this modifies dev->vv ... */
saa7146_set_hps_source_and_sync(dev, SAA7146_HPS_SOURCE_PORT_A,
SAA7146_HPS_SYNC_PORT_A);
saa7113_setinput(budget_av, 0);
}
/* fixme: find some sane values here... */
saa7146_write(dev, PCI_BT_V1, 0x1c00101f);
mac = budget_av->budget.dvb_adapter.proposed_mac;
if (i2c_readregs(&budget_av->budget.i2c_adap, 0xa0, 0x30, mac, 6)) {
printk(KERN_ERR "KNC1-%d: Could not read MAC from KNC1 card\n",
budget_av->budget.dvb_adapter.num);
memset(mac, 0, 6);
} else {
printk(KERN_INFO "KNC1-%d: MAC addr = %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
budget_av->budget.dvb_adapter.num,
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
}
budget_av->budget.dvb_adapter.priv = budget_av;
frontend_init(budget_av);
ciintf_init(budget_av);
ttpci_budget_init_hooks(&budget_av->budget);
return 0;
}
#define KNC1_INPUTS 2
static struct v4l2_input knc1_inputs[KNC1_INPUTS] = {
{0, "Composite", V4L2_INPUT_TYPE_TUNER, 1, 0, V4L2_STD_PAL_BG | V4L2_STD_NTSC_M, 0},
{1, "S-Video", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG | V4L2_STD_NTSC_M, 0},
};
static struct saa7146_extension_ioctls ioctls[] = {
{VIDIOC_ENUMINPUT, SAA7146_EXCLUSIVE},
{VIDIOC_G_INPUT, SAA7146_EXCLUSIVE},
{VIDIOC_S_INPUT, SAA7146_EXCLUSIVE},
{0, 0}
};
static int av_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
{
struct saa7146_dev *dev = fh->dev;
struct budget_av *budget_av = (struct budget_av *) dev->ext_priv;
switch (cmd) {
case VIDIOC_ENUMINPUT:{
struct v4l2_input *i = arg;
dprintk(1, "VIDIOC_ENUMINPUT %d.\n", i->index);
if (i->index < 0 || i->index >= KNC1_INPUTS) {
return -EINVAL;
}
memcpy(i, &knc1_inputs[i->index], sizeof(struct v4l2_input));
return 0;
}
case VIDIOC_G_INPUT:{
int *input = (int *) arg;
*input = budget_av->cur_input;
dprintk(1, "VIDIOC_G_INPUT %d.\n", *input);
return 0;
}
case VIDIOC_S_INPUT:{
int input = *(int *) arg;
dprintk(1, "VIDIOC_S_INPUT %d.\n", input);
return saa7113_setinput(budget_av, input);
}
default:
return -ENOIOCTLCMD;
}
return 0;
}
static struct saa7146_standard standard[] = {
{.name = "PAL",.id = V4L2_STD_PAL,
.v_offset = 0x17,.v_field = 288,
.h_offset = 0x14,.h_pixels = 680,
.v_max_out = 576,.h_max_out = 768 },
{.name = "NTSC",.id = V4L2_STD_NTSC,
.v_offset = 0x16,.v_field = 240,
.h_offset = 0x06,.h_pixels = 708,
.v_max_out = 480,.h_max_out = 640, },
};
static struct saa7146_ext_vv vv_data = {
.inputs = 2,
.capabilities = 0, // perhaps later: V4L2_CAP_VBI_CAPTURE, but that need tweaking with the saa7113
.flags = 0,
.stds = &standard[0],
.num_stds = ARRAY_SIZE(standard),
.ioctls = &ioctls[0],
.ioctl = av_ioctl,
};
static struct saa7146_extension budget_extension;
MAKE_BUDGET_INFO(knc1s, "KNC1 DVB-S", BUDGET_KNC1S);
MAKE_BUDGET_INFO(knc1c, "KNC1 DVB-C", BUDGET_KNC1C);
MAKE_BUDGET_INFO(knc1t, "KNC1 DVB-T", BUDGET_KNC1T);
MAKE_BUDGET_INFO(kncxs, "KNC TV STAR DVB-S", BUDGET_TVSTAR);
MAKE_BUDGET_INFO(satewpls, "Satelco EasyWatch DVB-S light", BUDGET_TVSTAR);
MAKE_BUDGET_INFO(satewpls1, "Satelco EasyWatch DVB-S light", BUDGET_KNC1S);
MAKE_BUDGET_INFO(satewps, "Satelco EasyWatch DVB-S", BUDGET_KNC1S);
MAKE_BUDGET_INFO(satewplc, "Satelco EasyWatch DVB-C", BUDGET_KNC1CP);
MAKE_BUDGET_INFO(satewcmk3, "Satelco EasyWatch DVB-C MK3", BUDGET_KNC1C_MK3);
MAKE_BUDGET_INFO(satewt, "Satelco EasyWatch DVB-T", BUDGET_KNC1T);
MAKE_BUDGET_INFO(knc1sp, "KNC1 DVB-S Plus", BUDGET_KNC1SP);
MAKE_BUDGET_INFO(knc1spx4, "KNC1 DVB-S Plus X4", BUDGET_KNC1SP);
MAKE_BUDGET_INFO(knc1cp, "KNC1 DVB-C Plus", BUDGET_KNC1CP);
MAKE_BUDGET_INFO(knc1cmk3, "KNC1 DVB-C MK3", BUDGET_KNC1C_MK3);
MAKE_BUDGET_INFO(knc1cpmk3, "KNC1 DVB-C Plus MK3", BUDGET_KNC1CP_MK3);
MAKE_BUDGET_INFO(knc1tp, "KNC1 DVB-T Plus", BUDGET_KNC1TP);
MAKE_BUDGET_INFO(cin1200s, "TerraTec Cinergy 1200 DVB-S", BUDGET_CIN1200S);
MAKE_BUDGET_INFO(cin1200sn, "TerraTec Cinergy 1200 DVB-S", BUDGET_CIN1200S);
MAKE_BUDGET_INFO(cin1200c, "Terratec Cinergy 1200 DVB-C", BUDGET_CIN1200C);
MAKE_BUDGET_INFO(cin1200cmk3, "Terratec Cinergy 1200 DVB-C MK3", BUDGET_CIN1200C_MK3);
MAKE_BUDGET_INFO(cin1200t, "Terratec Cinergy 1200 DVB-T", BUDGET_CIN1200T);
static struct pci_device_id pci_tbl[] = {
MAKE_EXTENSION_PCI(knc1s, 0x1131, 0x4f56),
MAKE_EXTENSION_PCI(knc1s, 0x1131, 0x0010),
MAKE_EXTENSION_PCI(knc1s, 0x1894, 0x0010),
MAKE_EXTENSION_PCI(knc1sp, 0x1131, 0x0011),
MAKE_EXTENSION_PCI(knc1sp, 0x1894, 0x0011),
MAKE_EXTENSION_PCI(kncxs, 0x1894, 0x0014),
MAKE_EXTENSION_PCI(knc1spx4, 0x1894, 0x0015),
MAKE_EXTENSION_PCI(kncxs, 0x1894, 0x0016),
MAKE_EXTENSION_PCI(satewpls, 0x1894, 0x001e),
MAKE_EXTENSION_PCI(satewpls1, 0x1894, 0x001a),
MAKE_EXTENSION_PCI(satewps, 0x1894, 0x001b),
MAKE_EXTENSION_PCI(satewplc, 0x1894, 0x002a),
MAKE_EXTENSION_PCI(satewcmk3, 0x1894, 0x002c),
MAKE_EXTENSION_PCI(satewt, 0x1894, 0x003a),
MAKE_EXTENSION_PCI(knc1c, 0x1894, 0x0020),
MAKE_EXTENSION_PCI(knc1cp, 0x1894, 0x0021),
MAKE_EXTENSION_PCI(knc1cmk3, 0x1894, 0x0022),
MAKE_EXTENSION_PCI(knc1cpmk3, 0x1894, 0x0023),
MAKE_EXTENSION_PCI(knc1t, 0x1894, 0x0030),
MAKE_EXTENSION_PCI(knc1tp, 0x1894, 0x0031),
MAKE_EXTENSION_PCI(cin1200s, 0x153b, 0x1154),
MAKE_EXTENSION_PCI(cin1200sn, 0x153b, 0x1155),
MAKE_EXTENSION_PCI(cin1200c, 0x153b, 0x1156),
MAKE_EXTENSION_PCI(cin1200cmk3, 0x153b, 0x1176),
MAKE_EXTENSION_PCI(cin1200t, 0x153b, 0x1157),
{
.vendor = 0,
}
};
MODULE_DEVICE_TABLE(pci, pci_tbl);
static struct saa7146_extension budget_extension = {
.name = "budget_av",
.flags = SAA7146_USE_I2C_IRQ,
.pci_tbl = pci_tbl,
.module = THIS_MODULE,
.attach = budget_av_attach,
.detach = budget_av_detach,
.irq_mask = MASK_10,
.irq_func = budget_av_irq,
};
static int __init budget_av_init(void)
{
return saa7146_register_extension(&budget_extension);
}
static void __exit budget_av_exit(void)
{
saa7146_unregister_extension(&budget_extension);
}
module_init(budget_av_init);
module_exit(budget_av_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, Michael Hunold, others");
MODULE_DESCRIPTION("driver for the SAA7146 based so-called "
"budget PCI DVB w/ analog input and CI-module (e.g. the KNC cards)");
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