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ddbridge-core.c
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ddbridge-core.c
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/*
* ddbridge.c: Digital Devices PCIe bridge driver
*
* Copyright (C) 2010-2011 Digital Devices GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 only, as published by the Free Software Foundation.
*
*
* 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.
*
* To obtain the license, point your browser to
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/poll.h>
#include <linux/io.h>
#include <linux/pci.h>
#include <linux/pci_ids.h>
#include <linux/timer.h>
#include <linux/i2c.h>
#include <linux/swab.h>
#include <linux/vmalloc.h>
#include "ddbridge.h"
#include "ddbridge-regs.h"
#include "tda18271c2dd.h"
#include "stv6110x.h"
#include "stv090x.h"
#include "lnbh24.h"
#include "drxk.h"
#include "stv0367.h"
#include "stv0367_priv.h"
#include "tda18212.h"
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
/* MSI had problems with lost interrupts, fixed but needs testing */
#undef CONFIG_PCI_MSI
/******************************************************************************/
static int i2c_read(struct i2c_adapter *adapter, u8 adr, u8 *val)
{
struct i2c_msg msgs[1] = {{.addr = adr, .flags = I2C_M_RD,
.buf = val, .len = 1 } };
return (i2c_transfer(adapter, msgs, 1) == 1) ? 0 : -1;
}
static int i2c_read_reg(struct i2c_adapter *adapter, u8 adr, u8 reg, u8 *val)
{
struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0,
.buf = ®, .len = 1 },
{.addr = adr, .flags = I2C_M_RD,
.buf = val, .len = 1 } };
return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1;
}
static int i2c_read_reg16(struct i2c_adapter *adapter, u8 adr,
u16 reg, u8 *val)
{
u8 msg[2] = {reg>>8, reg&0xff};
struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0,
.buf = msg, .len = 2},
{.addr = adr, .flags = I2C_M_RD,
.buf = val, .len = 1} };
return (i2c_transfer(adapter, msgs, 2) == 2) ? 0 : -1;
}
static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd)
{
struct ddb *dev = i2c->dev;
long stat;
u32 val;
i2c->done = 0;
ddbwritel((adr << 9) | cmd, i2c->regs + I2C_COMMAND);
stat = wait_event_timeout(i2c->wq, i2c->done == 1, HZ);
if (stat == 0) {
printk(KERN_ERR "I2C timeout\n");
{ /* MSI debugging*/
u32 istat = ddbreadl(INTERRUPT_STATUS);
printk(KERN_ERR "IRS %08x\n", istat);
ddbwritel(istat, INTERRUPT_ACK);
}
return -EIO;
}
val = ddbreadl(i2c->regs+I2C_COMMAND);
if (val & 0x70000)
return -EIO;
return 0;
}
static int ddb_i2c_master_xfer(struct i2c_adapter *adapter,
struct i2c_msg msg[], int num)
{
struct ddb_i2c *i2c = (struct ddb_i2c *)i2c_get_adapdata(adapter);
struct ddb *dev = i2c->dev;
u8 addr = 0;
if (num)
addr = msg[0].addr;
if (num == 2 && msg[1].flags & I2C_M_RD &&
!(msg[0].flags & I2C_M_RD)) {
memcpy_toio(dev->regs + I2C_TASKMEM_BASE + i2c->wbuf,
msg[0].buf, msg[0].len);
ddbwritel(msg[0].len|(msg[1].len << 16),
i2c->regs+I2C_TASKLENGTH);
if (!ddb_i2c_cmd(i2c, addr, 1)) {
memcpy_fromio(msg[1].buf,
dev->regs + I2C_TASKMEM_BASE + i2c->rbuf,
msg[1].len);
return num;
}
}
if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
ddbcpyto(I2C_TASKMEM_BASE + i2c->wbuf, msg[0].buf, msg[0].len);
ddbwritel(msg[0].len, i2c->regs + I2C_TASKLENGTH);
if (!ddb_i2c_cmd(i2c, addr, 2))
return num;
}
if (num == 1 && (msg[0].flags & I2C_M_RD)) {
ddbwritel(msg[0].len << 16, i2c->regs + I2C_TASKLENGTH);
if (!ddb_i2c_cmd(i2c, addr, 3)) {
ddbcpyfrom(msg[0].buf,
I2C_TASKMEM_BASE + i2c->rbuf, msg[0].len);
return num;
}
}
return -EIO;
}
static u32 ddb_i2c_functionality(struct i2c_adapter *adap)
{
return I2C_FUNC_SMBUS_EMUL;
}
static struct i2c_algorithm ddb_i2c_algo = {
.master_xfer = ddb_i2c_master_xfer,
.functionality = ddb_i2c_functionality,
};
static void ddb_i2c_release(struct ddb *dev)
{
int i;
struct ddb_i2c *i2c;
struct i2c_adapter *adap;
for (i = 0; i < dev->info->port_num; i++) {
i2c = &dev->i2c[i];
adap = &i2c->adap;
i2c_del_adapter(adap);
}
}
static int ddb_i2c_init(struct ddb *dev)
{
int i, j, stat = 0;
struct ddb_i2c *i2c;
struct i2c_adapter *adap;
for (i = 0; i < dev->info->port_num; i++) {
i2c = &dev->i2c[i];
i2c->dev = dev;
i2c->nr = i;
i2c->wbuf = i * (I2C_TASKMEM_SIZE / 4);
i2c->rbuf = i2c->wbuf + (I2C_TASKMEM_SIZE / 8);
i2c->regs = 0x80 + i * 0x20;
ddbwritel(I2C_SPEED_100, i2c->regs + I2C_TIMING);
ddbwritel((i2c->rbuf << 16) | i2c->wbuf,
i2c->regs + I2C_TASKADDRESS);
init_waitqueue_head(&i2c->wq);
adap = &i2c->adap;
i2c_set_adapdata(adap, i2c);
#ifdef I2C_ADAP_CLASS_TV_DIGITAL
adap->class = I2C_ADAP_CLASS_TV_DIGITAL|I2C_CLASS_TV_ANALOG;
#else
#ifdef I2C_CLASS_TV_ANALOG
adap->class = I2C_CLASS_TV_ANALOG;
#endif
#endif
strcpy(adap->name, "ddbridge");
adap->algo = &ddb_i2c_algo;
adap->algo_data = (void *)i2c;
adap->dev.parent = &dev->pdev->dev;
stat = i2c_add_adapter(adap);
if (stat)
break;
}
if (stat)
for (j = 0; j < i; j++) {
i2c = &dev->i2c[j];
adap = &i2c->adap;
i2c_del_adapter(adap);
}
return stat;
}
/******************************************************************************/
/******************************************************************************/
/******************************************************************************/
#if 0
static void set_table(struct ddb *dev, u32 off,
dma_addr_t *pbuf, u32 num)
{
u32 i, base;
u64 mem;
base = DMA_BASE_ADDRESS_TABLE + off;
for (i = 0; i < num; i++) {
mem = pbuf[i];
ddbwritel(mem & 0xffffffff, base + i * 8);
ddbwritel(mem >> 32, base + i * 8 + 4);
}
}
#endif
static void ddb_address_table(struct ddb *dev)
{
u32 i, j, base;
u64 mem;
dma_addr_t *pbuf;
for (i = 0; i < dev->info->port_num * 2; i++) {
base = DMA_BASE_ADDRESS_TABLE + i * 0x100;
pbuf = dev->input[i].pbuf;
for (j = 0; j < dev->input[i].dma_buf_num; j++) {
mem = pbuf[j];
ddbwritel(mem & 0xffffffff, base + j * 8);
ddbwritel(mem >> 32, base + j * 8 + 4);
}
}
for (i = 0; i < dev->info->port_num; i++) {
base = DMA_BASE_ADDRESS_TABLE + 0x800 + i * 0x100;
pbuf = dev->output[i].pbuf;
for (j = 0; j < dev->output[i].dma_buf_num; j++) {
mem = pbuf[j];
ddbwritel(mem & 0xffffffff, base + j * 8);
ddbwritel(mem >> 32, base + j * 8 + 4);
}
}
}
static void io_free(struct pci_dev *pdev, u8 **vbuf,
dma_addr_t *pbuf, u32 size, int num)
{
int i;
for (i = 0; i < num; i++) {
if (vbuf[i]) {
pci_free_consistent(pdev, size, vbuf[i], pbuf[i]);
vbuf[i] = NULL;
}
}
}
static int io_alloc(struct pci_dev *pdev, u8 **vbuf,
dma_addr_t *pbuf, u32 size, int num)
{
int i;
for (i = 0; i < num; i++) {
vbuf[i] = pci_alloc_consistent(pdev, size, &pbuf[i]);
if (!vbuf[i])
return -ENOMEM;
}
return 0;
}
static int ddb_buffers_alloc(struct ddb *dev)
{
int i;
struct ddb_port *port;
for (i = 0; i < dev->info->port_num; i++) {
port = &dev->port[i];
switch (port->class) {
case DDB_PORT_TUNER:
if (io_alloc(dev->pdev, port->input[0]->vbuf,
port->input[0]->pbuf,
port->input[0]->dma_buf_size,
port->input[0]->dma_buf_num) < 0)
return -1;
if (io_alloc(dev->pdev, port->input[1]->vbuf,
port->input[1]->pbuf,
port->input[1]->dma_buf_size,
port->input[1]->dma_buf_num) < 0)
return -1;
break;
case DDB_PORT_CI:
if (io_alloc(dev->pdev, port->input[0]->vbuf,
port->input[0]->pbuf,
port->input[0]->dma_buf_size,
port->input[0]->dma_buf_num) < 0)
return -1;
if (io_alloc(dev->pdev, port->output->vbuf,
port->output->pbuf,
port->output->dma_buf_size,
port->output->dma_buf_num) < 0)
return -1;
break;
default:
break;
}
}
ddb_address_table(dev);
return 0;
}
static void ddb_buffers_free(struct ddb *dev)
{
int i;
struct ddb_port *port;
for (i = 0; i < dev->info->port_num; i++) {
port = &dev->port[i];
io_free(dev->pdev, port->input[0]->vbuf,
port->input[0]->pbuf,
port->input[0]->dma_buf_size,
port->input[0]->dma_buf_num);
io_free(dev->pdev, port->input[1]->vbuf,
port->input[1]->pbuf,
port->input[1]->dma_buf_size,
port->input[1]->dma_buf_num);
io_free(dev->pdev, port->output->vbuf,
port->output->pbuf,
port->output->dma_buf_size,
port->output->dma_buf_num);
}
}
static void ddb_input_start(struct ddb_input *input)
{
struct ddb *dev = input->port->dev;
spin_lock_irq(&input->lock);
input->cbuf = 0;
input->coff = 0;
/* reset */
ddbwritel(0, TS_INPUT_CONTROL(input->nr));
ddbwritel(2, TS_INPUT_CONTROL(input->nr));
ddbwritel(0, TS_INPUT_CONTROL(input->nr));
ddbwritel((1 << 16) |
(input->dma_buf_num << 11) |
(input->dma_buf_size >> 7),
DMA_BUFFER_SIZE(input->nr));
ddbwritel(0, DMA_BUFFER_ACK(input->nr));
ddbwritel(1, DMA_BASE_WRITE);
ddbwritel(3, DMA_BUFFER_CONTROL(input->nr));
ddbwritel(9, TS_INPUT_CONTROL(input->nr));
input->running = 1;
spin_unlock_irq(&input->lock);
}
static void ddb_input_stop(struct ddb_input *input)
{
struct ddb *dev = input->port->dev;
spin_lock_irq(&input->lock);
ddbwritel(0, TS_INPUT_CONTROL(input->nr));
ddbwritel(0, DMA_BUFFER_CONTROL(input->nr));
input->running = 0;
spin_unlock_irq(&input->lock);
}
static void ddb_output_start(struct ddb_output *output)
{
struct ddb *dev = output->port->dev;
spin_lock_irq(&output->lock);
output->cbuf = 0;
output->coff = 0;
ddbwritel(0, TS_OUTPUT_CONTROL(output->nr));
ddbwritel(2, TS_OUTPUT_CONTROL(output->nr));
ddbwritel(0, TS_OUTPUT_CONTROL(output->nr));
ddbwritel(0x3c, TS_OUTPUT_CONTROL(output->nr));
ddbwritel((1 << 16) |
(output->dma_buf_num << 11) |
(output->dma_buf_size >> 7),
DMA_BUFFER_SIZE(output->nr + 8));
ddbwritel(0, DMA_BUFFER_ACK(output->nr + 8));
ddbwritel(1, DMA_BASE_READ);
ddbwritel(3, DMA_BUFFER_CONTROL(output->nr + 8));
/* ddbwritel(0xbd, TS_OUTPUT_CONTROL(output->nr)); */
ddbwritel(0x1d, TS_OUTPUT_CONTROL(output->nr));
output->running = 1;
spin_unlock_irq(&output->lock);
}
static void ddb_output_stop(struct ddb_output *output)
{
struct ddb *dev = output->port->dev;
spin_lock_irq(&output->lock);
ddbwritel(0, TS_OUTPUT_CONTROL(output->nr));
ddbwritel(0, DMA_BUFFER_CONTROL(output->nr + 8));
output->running = 0;
spin_unlock_irq(&output->lock);
}
static u32 ddb_output_free(struct ddb_output *output)
{
u32 idx, off, stat = output->stat;
s32 diff;
idx = (stat >> 11) & 0x1f;
off = (stat & 0x7ff) << 7;
if (output->cbuf != idx) {
if ((((output->cbuf + 1) % output->dma_buf_num) == idx) &&
(output->dma_buf_size - output->coff <= 188))
return 0;
return 188;
}
diff = off - output->coff;
if (diff <= 0 || diff > 188)
return 188;
return 0;
}
static ssize_t ddb_output_write(struct ddb_output *output,
const __user u8 *buf, size_t count)
{
struct ddb *dev = output->port->dev;
u32 idx, off, stat = output->stat;
u32 left = count, len;
idx = (stat >> 11) & 0x1f;
off = (stat & 0x7ff) << 7;
while (left) {
len = output->dma_buf_size - output->coff;
if ((((output->cbuf + 1) % output->dma_buf_num) == idx) &&
(off == 0)) {
if (len <= 188)
break;
len -= 188;
}
if (output->cbuf == idx) {
if (off > output->coff) {
#if 1
len = off - output->coff;
len -= (len % 188);
if (len <= 188)
#endif
break;
len -= 188;
}
}
if (len > left)
len = left;
if (copy_from_user(output->vbuf[output->cbuf] + output->coff,
buf, len))
return -EIO;
left -= len;
buf += len;
output->coff += len;
if (output->coff == output->dma_buf_size) {
output->coff = 0;
output->cbuf = ((output->cbuf + 1) % output->dma_buf_num);
}
ddbwritel((output->cbuf << 11) | (output->coff >> 7),
DMA_BUFFER_ACK(output->nr + 8));
}
return count - left;
}
static u32 ddb_input_avail(struct ddb_input *input)
{
struct ddb *dev = input->port->dev;
u32 idx, off, stat = input->stat;
u32 ctrl = ddbreadl(DMA_BUFFER_CONTROL(input->nr));
idx = (stat >> 11) & 0x1f;
off = (stat & 0x7ff) << 7;
if (ctrl & 4) {
printk(KERN_ERR "IA %d %d %08x\n", idx, off, ctrl);
ddbwritel(input->stat, DMA_BUFFER_ACK(input->nr));
return 0;
}
if (input->cbuf != idx)
return 188;
return 0;
}
static ssize_t ddb_input_read(struct ddb_input *input, __user u8 *buf, size_t count)
{
struct ddb *dev = input->port->dev;
u32 left = count;
u32 idx, free, stat = input->stat;
int ret;
idx = (stat >> 11) & 0x1f;
while (left) {
if (input->cbuf == idx)
return count - left;
free = input->dma_buf_size - input->coff;
if (free > left)
free = left;
ret = copy_to_user(buf, input->vbuf[input->cbuf] +
input->coff, free);
if (ret)
return -EFAULT;
input->coff += free;
if (input->coff == input->dma_buf_size) {
input->coff = 0;
input->cbuf = (input->cbuf+1) % input->dma_buf_num;
}
left -= free;
ddbwritel((input->cbuf << 11) | (input->coff >> 7),
DMA_BUFFER_ACK(input->nr));
}
return count;
}
/******************************************************************************/
/******************************************************************************/
/******************************************************************************/
#if 0
static struct ddb_input *fe2input(struct ddb *dev, struct dvb_frontend *fe)
{
int i;
for (i = 0; i < dev->info->port_num * 2; i++) {
if (dev->input[i].fe == fe)
return &dev->input[i];
}
return NULL;
}
#endif
static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
{
struct ddb_input *input = fe->sec_priv;
struct ddb_port *port = input->port;
int status;
if (enable) {
mutex_lock(&port->i2c_gate_lock);
status = input->gate_ctrl(fe, 1);
} else {
status = input->gate_ctrl(fe, 0);
mutex_unlock(&port->i2c_gate_lock);
}
return status;
}
static int demod_attach_drxk(struct ddb_input *input)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
struct dvb_frontend *fe;
struct drxk_config config;
memset(&config, 0, sizeof(config));
config.microcode_name = "drxk_a3.mc";
config.qam_demod_parameter_count = 4;
config.adr = 0x29 + (input->nr & 1);
fe = input->fe = dvb_attach(drxk_attach, &config, i2c);
if (!input->fe) {
printk(KERN_ERR "No DRXK found!\n");
return -ENODEV;
}
fe->sec_priv = input;
input->gate_ctrl = fe->ops.i2c_gate_ctrl;
fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
return 0;
}
static int tuner_attach_tda18271(struct ddb_input *input)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
struct dvb_frontend *fe;
if (input->fe->ops.i2c_gate_ctrl)
input->fe->ops.i2c_gate_ctrl(input->fe, 1);
fe = dvb_attach(tda18271c2dd_attach, input->fe, i2c, 0x60);
if (!fe) {
printk(KERN_ERR "No TDA18271 found!\n");
return -ENODEV;
}
if (input->fe->ops.i2c_gate_ctrl)
input->fe->ops.i2c_gate_ctrl(input->fe, 0);
return 0;
}
/******************************************************************************/
/******************************************************************************/
/******************************************************************************/
static struct stv0367_config ddb_stv0367_config[] = {
{
.demod_address = 0x1f,
.xtal = 27000000,
.if_khz = 0,
.if_iq_mode = FE_TER_NORMAL_IF_TUNER,
.ts_mode = STV0367_SERIAL_PUNCT_CLOCK,
.clk_pol = STV0367_CLOCKPOLARITY_DEFAULT,
}, {
.demod_address = 0x1e,
.xtal = 27000000,
.if_khz = 0,
.if_iq_mode = FE_TER_NORMAL_IF_TUNER,
.ts_mode = STV0367_SERIAL_PUNCT_CLOCK,
.clk_pol = STV0367_CLOCKPOLARITY_DEFAULT,
},
};
static int demod_attach_stv0367(struct ddb_input *input)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
/* attach frontend */
input->fe = dvb_attach(stv0367ddb_attach,
&ddb_stv0367_config[(input->nr & 1)], i2c);
if (!input->fe) {
printk(KERN_ERR "stv0367ddb_attach failed (not found?)\n");
return -ENODEV;
}
input->fe->sec_priv = input;
input->gate_ctrl = input->fe->ops.i2c_gate_ctrl;
input->fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
return 0;
}
static int tuner_attach_tda18212(struct ddb_input *input, u32 porttype)
{
struct i2c_adapter *adapter = &input->port->i2c->adap;
struct i2c_client *client;
struct tda18212_config config = {
.fe = input->fe,
.if_dvbt_6 = 3550,
.if_dvbt_7 = 3700,
.if_dvbt_8 = 4150,
.if_dvbt2_6 = 3250,
.if_dvbt2_7 = 4000,
.if_dvbt2_8 = 4000,
.if_dvbc = 5000,
};
struct i2c_board_info board_info = {
.type = "tda18212",
.platform_data = &config,
};
if (input->nr & 1)
board_info.addr = 0x63;
else
board_info.addr = 0x60;
request_module(board_info.type);
/* perform tuner init/attach */
client = i2c_new_device(adapter, &board_info);
/* hack/workaround: STV0367 demods sometimes misbehaves on it's
* I2C gate when cold started, so try again for this hardware
* combination
*/
if ((client == NULL || client->dev.driver == NULL)
&& (porttype == DDB_TUNER_DVBCT_ST)) {
printk(KERN_DEBUG "porttype=stv0367, tda18212 fail, cold start retry\n");
client = i2c_new_device(adapter, &board_info);
}
/* a possible failed second try indicates problems, so fail */
if (client == NULL || client->dev.driver == NULL)
goto err;
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
goto err;
}
input->i2c_client[0] = client;
return 0;
err:
printk(KERN_INFO "TDA18212 tuner not found. Device is not fully operational.\n");
return -ENODEV;
}
/******************************************************************************/
/******************************************************************************/
/******************************************************************************/
static struct stv090x_config stv0900 = {
.device = STV0900,
.demod_mode = STV090x_DUAL,
.clk_mode = STV090x_CLK_EXT,
.xtal = 27000000,
.address = 0x69,
.ts1_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
.ts2_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
.repeater_level = STV090x_RPTLEVEL_16,
.adc1_range = STV090x_ADC_1Vpp,
.adc2_range = STV090x_ADC_1Vpp,
.diseqc_envelope_mode = true,
};
static struct stv090x_config stv0900_aa = {
.device = STV0900,
.demod_mode = STV090x_DUAL,
.clk_mode = STV090x_CLK_EXT,
.xtal = 27000000,
.address = 0x68,
.ts1_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
.ts2_mode = STV090x_TSMODE_SERIAL_PUNCTURED,
.repeater_level = STV090x_RPTLEVEL_16,
.adc1_range = STV090x_ADC_1Vpp,
.adc2_range = STV090x_ADC_1Vpp,
.diseqc_envelope_mode = true,
};
static struct stv6110x_config stv6110a = {
.addr = 0x60,
.refclk = 27000000,
.clk_div = 1,
};
static struct stv6110x_config stv6110b = {
.addr = 0x63,
.refclk = 27000000,
.clk_div = 1,
};
static int demod_attach_stv0900(struct ddb_input *input, int type)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900;
input->fe = dvb_attach(stv090x_attach, feconf, i2c,
(input->nr & 1) ? STV090x_DEMODULATOR_1
: STV090x_DEMODULATOR_0);
if (!input->fe) {
printk(KERN_ERR "No STV0900 found!\n");
return -ENODEV;
}
if (!dvb_attach(lnbh24_attach, input->fe, i2c, 0,
0, (input->nr & 1) ?
(0x09 - type) : (0x0b - type))) {
printk(KERN_ERR "No LNBH24 found!\n");
return -ENODEV;
}
return 0;
}
static int tuner_attach_stv6110(struct ddb_input *input, int type)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900;
struct stv6110x_config *tunerconf = (input->nr & 1) ?
&stv6110b : &stv6110a;
const struct stv6110x_devctl *ctl;
ctl = dvb_attach(stv6110x_attach, input->fe, tunerconf, i2c);
if (!ctl) {
printk(KERN_ERR "No STV6110X found!\n");
return -ENODEV;
}
printk(KERN_INFO "attach tuner input %d adr %02x\n",
input->nr, tunerconf->addr);
feconf->tuner_init = ctl->tuner_init;
feconf->tuner_sleep = ctl->tuner_sleep;
feconf->tuner_set_mode = ctl->tuner_set_mode;
feconf->tuner_set_frequency = ctl->tuner_set_frequency;
feconf->tuner_get_frequency = ctl->tuner_get_frequency;
feconf->tuner_set_bandwidth = ctl->tuner_set_bandwidth;
feconf->tuner_get_bandwidth = ctl->tuner_get_bandwidth;
feconf->tuner_set_bbgain = ctl->tuner_set_bbgain;
feconf->tuner_get_bbgain = ctl->tuner_get_bbgain;
feconf->tuner_set_refclk = ctl->tuner_set_refclk;
feconf->tuner_get_status = ctl->tuner_get_status;
return 0;
}
static int my_dvb_dmx_ts_card_init(struct dvb_demux *dvbdemux, char *id,
int (*start_feed)(struct dvb_demux_feed *),
int (*stop_feed)(struct dvb_demux_feed *),
void *priv)
{
dvbdemux->priv = priv;
dvbdemux->filternum = 256;
dvbdemux->feednum = 256;
dvbdemux->start_feed = start_feed;
dvbdemux->stop_feed = stop_feed;
dvbdemux->write_to_decoder = NULL;
dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
DMX_SECTION_FILTERING |
DMX_MEMORY_BASED_FILTERING);
return dvb_dmx_init(dvbdemux);
}
static int my_dvb_dmxdev_ts_card_init(struct dmxdev *dmxdev,
struct dvb_demux *dvbdemux,
struct dmx_frontend *hw_frontend,
struct dmx_frontend *mem_frontend,
struct dvb_adapter *dvb_adapter)
{
int ret;
dmxdev->filternum = 256;
dmxdev->demux = &dvbdemux->dmx;
dmxdev->capabilities = 0;
ret = dvb_dmxdev_init(dmxdev, dvb_adapter);
if (ret < 0)
return ret;
hw_frontend->source = DMX_FRONTEND_0;
dvbdemux->dmx.add_frontend(&dvbdemux->dmx, hw_frontend);
mem_frontend->source = DMX_MEMORY_FE;
dvbdemux->dmx.add_frontend(&dvbdemux->dmx, mem_frontend);
return dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, hw_frontend);
}
static int start_feed(struct dvb_demux_feed *dvbdmxfeed)
{
struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
struct ddb_input *input = dvbdmx->priv;
if (!input->users)
ddb_input_start(input);
return ++input->users;
}
static int stop_feed(struct dvb_demux_feed *dvbdmxfeed)
{
struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
struct ddb_input *input = dvbdmx->priv;
if (--input->users)
return input->users;
ddb_input_stop(input);
return 0;
}
static void dvb_input_detach(struct ddb_input *input)
{
struct dvb_adapter *adap = &input->adap;
struct dvb_demux *dvbdemux = &input->demux;
struct i2c_client *client;
switch (input->attached) {
case 5:
client = input->i2c_client[0];
if (client) {
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
}
if (input->fe2)
dvb_unregister_frontend(input->fe2);
input->fe2 = NULL;
if (input->fe) {
dvb_unregister_frontend(input->fe);
dvb_frontend_detach(input->fe);
input->fe = NULL;
}
case 4:
dvb_net_release(&input->dvbnet);
case 3:
dvbdemux->dmx.close(&dvbdemux->dmx);
dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
&input->hw_frontend);
dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
&input->mem_frontend);
dvb_dmxdev_release(&input->dmxdev);
case 2:
dvb_dmx_release(&input->demux);
case 1:
dvb_unregister_adapter(adap);
}
input->attached = 0;
}
static int dvb_input_attach(struct ddb_input *input)
{
int ret;
struct ddb_port *port = input->port;
struct dvb_adapter *adap = &input->adap;
struct dvb_demux *dvbdemux = &input->demux;
ret = dvb_register_adapter(adap, "DDBridge", THIS_MODULE,
&input->port->dev->pdev->dev,
adapter_nr);
if (ret < 0) {
printk(KERN_ERR "ddbridge: Could not register adapter.Check if you enabled enough adapters in dvb-core!\n");
return ret;
}
input->attached = 1;
ret = my_dvb_dmx_ts_card_init(dvbdemux, "SW demux",
start_feed,
stop_feed, input);
if (ret < 0)
return ret;
input->attached = 2;
ret = my_dvb_dmxdev_ts_card_init(&input->dmxdev, &input->demux,
&input->hw_frontend,
&input->mem_frontend, adap);
if (ret < 0)
return ret;
input->attached = 3;
ret = dvb_net_init(adap, &input->dvbnet, input->dmxdev.demux);
if (ret < 0)
return ret;
input->attached = 4;
input->fe = NULL;
switch (port->type) {
case DDB_TUNER_DVBS_ST:
if (demod_attach_stv0900(input, 0) < 0)
return -ENODEV;
if (tuner_attach_stv6110(input, 0) < 0)
return -ENODEV;
if (input->fe) {
if (dvb_register_frontend(adap, input->fe) < 0)
return -ENODEV;
}
break;
case DDB_TUNER_DVBS_ST_AA:
if (demod_attach_stv0900(input, 1) < 0)
return -ENODEV;
if (tuner_attach_stv6110(input, 1) < 0)
return -ENODEV;
if (input->fe) {
if (dvb_register_frontend(adap, input->fe) < 0)
return -ENODEV;
}
break;
case DDB_TUNER_DVBCT_TR:
if (demod_attach_drxk(input) < 0)
return -ENODEV;
if (tuner_attach_tda18271(input) < 0)
return -ENODEV;
if (dvb_register_frontend(adap, input->fe) < 0)
return -ENODEV;
if (input->fe2) {
if (dvb_register_frontend(adap, input->fe2) < 0)
return -ENODEV;
input->fe2->tuner_priv = input->fe->tuner_priv;
memcpy(&input->fe2->ops.tuner_ops,
&input->fe->ops.tuner_ops,
sizeof(struct dvb_tuner_ops));
}
break;
case DDB_TUNER_DVBCT_ST:
if (demod_attach_stv0367(input) < 0)
return -ENODEV;
if (tuner_attach_tda18212(input, port->type) < 0)
return -ENODEV;
if (input->fe) {
if (dvb_register_frontend(adap, input->fe) < 0)
return -ENODEV;
}