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linux-pinenote/drivers/media/pci/ddbridge/ddbridge-core.c
Jingoo Han 1fbf86a04e [media] ddbridge: Remove casting the return value which is a void pointer 
Casting the return value which is a void pointer is redundant.
The conversion from void pointer to any other pointer type is
guaranteed by the C programming language.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-10-31 04:54:12 -02:00

1729 lines
42 KiB
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.
*
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
* Or, 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"
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 = &reg, .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;
int 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;
}
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] = 0;
}
}
}
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 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, 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 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;
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;
switch (input->attached) {
case 5:
if (input->fe2)
dvb_unregister_frontend(input->fe2);
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 = 0;
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 (input->fe) {
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;
}
input->attached = 5;
return 0;
}
/****************************************************************************/
/****************************************************************************/
static ssize_t ts_write(struct file *file, const char *buf,
size_t count, loff_t *ppos)
{
struct dvb_device *dvbdev = file->private_data;
struct ddb_output *output = dvbdev->priv;
size_t left = count;
int stat;
while (left) {
if (ddb_output_free(output) < 188) {
if (file->f_flags & O_NONBLOCK)
break;
if (wait_event_interruptible(
output->wq, ddb_output_free(output) >= 188) < 0)
break;
}
stat = ddb_output_write(output, buf, left);
if (stat < 0)
break;
buf += stat;
left -= stat;
}
return (left == count) ? -EAGAIN : (count - left);
}
static ssize_t ts_read(struct file *file, char *buf,
size_t count, loff_t *ppos)
{
struct dvb_device *dvbdev = file->private_data;
struct ddb_output *output = dvbdev->priv;
struct ddb_input *input = output->port->input[0];
int left, read;
count -= count % 188;
left = count;
while (left) {
if (ddb_input_avail(input) < 188) {
if (file->f_flags & O_NONBLOCK)
break;
if (wait_event_interruptible(
input->wq, ddb_input_avail(input) >= 188) < 0)
break;
}
read = ddb_input_read(input, buf, left);
if (read < 0)
return read;
left -= read;
buf += read;
}
return (left == count) ? -EAGAIN : (count - left);
}
static unsigned int ts_poll(struct file *file, poll_table *wait)
{
/*
struct dvb_device *dvbdev = file->private_data;
struct ddb_output *output = dvbdev->priv;
struct ddb_input *input = output->port->input[0];
*/
unsigned int mask = 0;
#if 0
if (data_avail_to_read)
mask |= POLLIN | POLLRDNORM;
if (data_avail_to_write)
mask |= POLLOUT | POLLWRNORM;
poll_wait(file, &read_queue, wait);
poll_wait(file, &write_queue, wait);
#endif
return mask;
}
static const struct file_operations ci_fops = {
.owner = THIS_MODULE,
.read = ts_read,
.write = ts_write,
.open = dvb_generic_open,
.release = dvb_generic_release,
.poll = ts_poll,
.mmap = 0,
};
static struct dvb_device dvbdev_ci = {
.priv = 0,
.readers = -1,
.writers = -1,
.users = -1,
.fops = &ci_fops,
};
/****************************************************************************/
/****************************************************************************/
/****************************************************************************/
static void input_tasklet(unsigned long data)
{
struct ddb_input *input = (struct ddb_input *) data;
struct ddb *dev = input->port->dev;
spin_lock(&input->lock);
if (!input->running) {
spin_unlock(&input->lock);
return;
}
input->stat = ddbreadl(DMA_BUFFER_CURRENT(input->nr));
if (input->port->class == DDB_PORT_TUNER) {
if (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr)))
printk(KERN_ERR "Overflow input %d\n", input->nr);
while (input->cbuf != ((input->stat >> 11) & 0x1f)
|| (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr)))) {
dvb_dmx_swfilter_packets(&input->demux,
input->vbuf[input->cbuf],
input->dma_buf_size / 188);
input->cbuf = (input->cbuf + 1) % input->dma_buf_num;
ddbwritel((input->cbuf << 11),
DMA_BUFFER_ACK(input->nr));
input->stat = ddbreadl(DMA_BUFFER_CURRENT(input->nr));
}
}
if (input->port->class == DDB_PORT_CI)
wake_up(&input->wq);
spin_unlock(&input->lock);
}
static void output_tasklet(unsigned long data)
{
struct ddb_output *output = (struct ddb_output *) data;
struct ddb *dev = output->port->dev;
spin_lock(&output->lock);
if (!output->running) {
spin_unlock(&output->lock);
return;
}
output->stat = ddbreadl(DMA_BUFFER_CURRENT(output->nr + 8));
wake_up(&output->wq);
spin_unlock(&output->lock);
}
struct cxd2099_cfg cxd_cfg = {
.bitrate = 62000,
.adr = 0x40,
.polarity = 1,
.clock_mode = 1,
};
static int ddb_ci_attach(struct ddb_port *port)
{
int ret;
ret = dvb_register_adapter(&port->output->adap,
"DDBridge",
THIS_MODULE,
&port->dev->pdev->dev,
adapter_nr);
if (ret < 0)
return ret;
port->en = cxd2099_attach(&cxd_cfg, port, &port->i2c->adap);
if (!port->en) {
dvb_unregister_adapter(&port->output->adap);
return -ENODEV;
}
ddb_input_start(port->input[0]);
ddb_output_start(port->output);
dvb_ca_en50221_init(&port->output->adap,
port->en, 0, 1);
ret = dvb_register_device(&port->output->adap, &port->output->dev,
&dvbdev_ci, (void *) port->output,
DVB_DEVICE_SEC);
return ret;
}
static int ddb_port_attach(struct ddb_port *port)
{
int ret = 0;
switch (port->class) {
case DDB_PORT_TUNER:
ret = dvb_input_attach(port->input[0]);
if (ret < 0)
break;
ret = dvb_input_attach(port->input[1]);
break;
case DDB_PORT_CI:
ret = ddb_ci_attach(port);
break;
default:
break;
}
if (ret < 0)
printk(KERN_ERR "port_attach on port %d failed\n", port->nr);
return ret;
}
static int ddb_ports_attach(struct ddb *dev)
{
int i, ret = 0;
struct ddb_port *port;
for (i = 0; i < dev->info->port_num; i++) {
port = &dev->port[i];
ret = ddb_port_attach(port);
if (ret < 0)
break;
}
return ret;
}
static void ddb_ports_detach(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:
dvb_input_detach(port->input[0]);
dvb_input_detach(port->input[1]);
break;
case DDB_PORT_CI:
if (port->output->dev)
dvb_unregister_device(port->output->dev);
if (port->en) {
ddb_input_stop(port->input[0]);
ddb_output_stop(port->output);
dvb_ca_en50221_release(port->en);
kfree(port->en);
port->en = 0;
dvb_unregister_adapter(&port->output->adap);
}
break;
}
}
}
/****************************************************************************/
/****************************************************************************/
static int port_has_ci(struct ddb_port *port)
{
u8 val;
return i2c_read_reg(&port->i2c->adap, 0x40, 0, &val) ? 0 : 1;
}
static int port_has_stv0900(struct ddb_port *port)
{
u8 val;
if (i2c_read_reg16(&port->i2c->adap, 0x69, 0xf100, &val) < 0)
return 0;
return 1;
}
static int port_has_stv0900_aa(struct ddb_port *port)
{
u8 val;
if (i2c_read_reg16(&port->i2c->adap, 0x68, 0xf100, &val) < 0)
return 0;
return 1;
}
static int port_has_drxks(struct ddb_port *port)
{
u8 val;
if (i2c_read(&port->i2c->adap, 0x29, &val) < 0)
return 0;
if (i2c_read(&port->i2c->adap, 0x2a, &val) < 0)
return 0;
return 1;
}
static void ddb_port_probe(struct ddb_port *port)
{
struct ddb *dev = port->dev;
char *modname = "NO MODULE";
port->class = DDB_PORT_NONE;
if (port_has_ci(port)) {
modname = "CI";
port->class = DDB_PORT_CI;
ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
} else if (port_has_stv0900(port)) {
modname = "DUAL DVB-S2";
port->class = DDB_PORT_TUNER;
port->type = DDB_TUNER_DVBS_ST;
ddbwritel(I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
} else if (port_has_stv0900_aa(port)) {
modname = "DUAL DVB-S2";
port->class = DDB_PORT_TUNER;
port->type = DDB_TUNER_DVBS_ST_AA;
ddbwritel(I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
} else if (port_has_drxks(port)) {
modname = "DUAL DVB-C/T";
port->class = DDB_PORT_TUNER;
port->type = DDB_TUNER_DVBCT_TR;
ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
}
printk(KERN_INFO "Port %d (TAB %d): %s\n",
port->nr, port->nr+1, modname);
}
static void ddb_input_init(struct ddb_port *port, int nr)
{
struct ddb *dev = port->dev;
struct ddb_input *input = &dev->input[nr];
input->nr = nr;
input->port = port;
input->dma_buf_num = INPUT_DMA_BUFS;
input->dma_buf_size = INPUT_DMA_SIZE;
ddbwritel(0, TS_INPUT_CONTROL(nr));
ddbwritel(2, TS_INPUT_CONTROL(nr));
ddbwritel(0, TS_INPUT_CONTROL(nr));
ddbwritel(0, DMA_BUFFER_ACK(nr));
tasklet_init(&input->tasklet, input_tasklet, (unsigned long) input);
spin_lock_init(&input->lock);
init_waitqueue_head(&input->wq);
}
static void ddb_output_init(struct ddb_port *port, int nr)
{
struct ddb *dev = port->dev;
struct ddb_output *output = &dev->output[nr];
output->nr = nr;
output->port = port;
output->dma_buf_num = OUTPUT_DMA_BUFS;
output->dma_buf_size = OUTPUT_DMA_SIZE;
ddbwritel(0, TS_OUTPUT_CONTROL(nr));
ddbwritel(2, TS_OUTPUT_CONTROL(nr));
ddbwritel(0, TS_OUTPUT_CONTROL(nr));
tasklet_init(&output->tasklet, output_tasklet, (unsigned long) output);
init_waitqueue_head(&output->wq);
}
static void ddb_ports_init(struct ddb *dev)
{
int i;
struct ddb_port *port;
for (i = 0; i < dev->info->port_num; i++) {
port = &dev->port[i];
port->dev = dev;
port->nr = i;
port->i2c = &dev->i2c[i];
port->input[0] = &dev->input[2 * i];
port->input[1] = &dev->input[2 * i + 1];
port->output = &dev->output[i];
mutex_init(&port->i2c_gate_lock);
ddb_port_probe(port);
ddb_input_init(port, 2 * i);
ddb_input_init(port, 2 * i + 1);
ddb_output_init(port, i);
}
}
static void ddb_ports_release(struct ddb *dev)
{
int i;
struct ddb_port *port;
for (i = 0; i < dev->info->port_num; i++) {
port = &dev->port[i];
port->dev = dev;
tasklet_kill(&port->input[0]->tasklet);
tasklet_kill(&port->input[1]->tasklet);
tasklet_kill(&port->output->tasklet);
}
}
/****************************************************************************/
/****************************************************************************/
/****************************************************************************/
static void irq_handle_i2c(struct ddb *dev, int n)
{
struct ddb_i2c *i2c = &dev->i2c[n];
i2c->done = 1;
wake_up(&i2c->wq);
}
static irqreturn_t irq_handler(int irq, void *dev_id)
{
struct ddb *dev = (struct ddb *) dev_id;
u32 s = ddbreadl(INTERRUPT_STATUS);
if (!s)
return IRQ_NONE;
do {
ddbwritel(s, INTERRUPT_ACK);
if (s & 0x00000001)
irq_handle_i2c(dev, 0);
if (s & 0x00000002)
irq_handle_i2c(dev, 1);
if (s & 0x00000004)
irq_handle_i2c(dev, 2);
if (s & 0x00000008)
irq_handle_i2c(dev, 3);
if (s & 0x00000100)
tasklet_schedule(&dev->input[0].tasklet);
if (s & 0x00000200)
tasklet_schedule(&dev->input[1].tasklet);
if (s & 0x00000400)
tasklet_schedule(&dev->input[2].tasklet);
if (s & 0x00000800)
tasklet_schedule(&dev->input[3].tasklet);
if (s & 0x00001000)
tasklet_schedule(&dev->input[4].tasklet);
if (s & 0x00002000)
tasklet_schedule(&dev->input[5].tasklet);
if (s & 0x00004000)
tasklet_schedule(&dev->input[6].tasklet);
if (s & 0x00008000)
tasklet_schedule(&dev->input[7].tasklet);
if (s & 0x00010000)
tasklet_schedule(&dev->output[0].tasklet);
if (s & 0x00020000)
tasklet_schedule(&dev->output[1].tasklet);
if (s & 0x00040000)
tasklet_schedule(&dev->output[2].tasklet);
if (s & 0x00080000)
tasklet_schedule(&dev->output[3].tasklet);
/* if (s & 0x000f0000) printk(KERN_DEBUG "%08x\n", istat); */
} while ((s = ddbreadl(INTERRUPT_STATUS)));
return IRQ_HANDLED;
}
/******************************************************************************/
/******************************************************************************/
/******************************************************************************/
static int flashio(struct ddb *dev, u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen)
{
u32 data, shift;
if (wlen > 4)
ddbwritel(1, SPI_CONTROL);
while (wlen > 4) {
/* FIXME: check for big-endian */
data = swab32(*(u32 *)wbuf);
wbuf += 4;
wlen -= 4;
ddbwritel(data, SPI_DATA);
while (ddbreadl(SPI_CONTROL) & 0x0004)
;
}
if (rlen)
ddbwritel(0x0001 | ((wlen << (8 + 3)) & 0x1f00), SPI_CONTROL);
else
ddbwritel(0x0003 | ((wlen << (8 + 3)) & 0x1f00), SPI_CONTROL);
data = 0;
shift = ((4 - wlen) * 8);
while (wlen) {
data <<= 8;
data |= *wbuf;
wlen--;
wbuf++;
}
if (shift)
data <<= shift;
ddbwritel(data, SPI_DATA);
while (ddbreadl(SPI_CONTROL) & 0x0004)
;
if (!rlen) {
ddbwritel(0, SPI_CONTROL);
return 0;
}
if (rlen > 4)
ddbwritel(1, SPI_CONTROL);
while (rlen > 4) {
ddbwritel(0xffffffff, SPI_DATA);
while (ddbreadl(SPI_CONTROL) & 0x0004)
;
data = ddbreadl(SPI_DATA);
*(u32 *) rbuf = swab32(data);
rbuf += 4;
rlen -= 4;
}
ddbwritel(0x0003 | ((rlen << (8 + 3)) & 0x1F00), SPI_CONTROL);
ddbwritel(0xffffffff, SPI_DATA);
while (ddbreadl(SPI_CONTROL) & 0x0004)
;
data = ddbreadl(SPI_DATA);
ddbwritel(0, SPI_CONTROL);
if (rlen < 4)
data <<= ((4 - rlen) * 8);
while (rlen > 0) {
*rbuf = ((data >> 24) & 0xff);
data <<= 8;
rbuf++;
rlen--;
}
return 0;
}
#define DDB_MAGIC 'd'
struct ddb_flashio {
__u8 *write_buf;
__u32 write_len;
__u8 *read_buf;
__u32 read_len;
};
#define IOCTL_DDB_FLASHIO _IOWR(DDB_MAGIC, 0x00, struct ddb_flashio)
#define DDB_NAME "ddbridge"
static u32 ddb_num;
static struct ddb *ddbs[32];
static struct class *ddb_class;
static int ddb_major;
static int ddb_open(struct inode *inode, struct file *file)
{
struct ddb *dev = ddbs[iminor(inode)];
file->private_data = dev;
return 0;
}
static long ddb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct ddb *dev = file->private_data;
void *parg = (void *)arg;
int res;
switch (cmd) {
case IOCTL_DDB_FLASHIO:
{
struct ddb_flashio fio;
u8 *rbuf, *wbuf;
if (copy_from_user(&fio, parg, sizeof(fio)))
return -EFAULT;
if (fio.write_len > 1028 || fio.read_len > 1028)
return -EINVAL;
if (fio.write_len + fio.read_len > 1028)
return -EINVAL;
wbuf = &dev->iobuf[0];
rbuf = wbuf + fio.write_len;
if (copy_from_user(wbuf, fio.write_buf, fio.write_len))
return -EFAULT;
res = flashio(dev, wbuf, fio.write_len, rbuf, fio.read_len);
if (res)
return res;
if (copy_to_user(fio.read_buf, rbuf, fio.read_len))
return -EFAULT;
break;
}
default:
return -ENOTTY;
}
return 0;
}
static const struct file_operations ddb_fops = {
.unlocked_ioctl = ddb_ioctl,
.open = ddb_open,
};
static char *ddb_devnode(struct device *device, umode_t *mode)
{
struct ddb *dev = dev_get_drvdata(device);
return kasprintf(GFP_KERNEL, "ddbridge/card%d", dev->nr);
}
static int ddb_class_create(void)
{
ddb_major = register_chrdev(0, DDB_NAME, &ddb_fops);
if (ddb_major < 0)
return ddb_major;
ddb_class = class_create(THIS_MODULE, DDB_NAME);
if (IS_ERR(ddb_class)) {
unregister_chrdev(ddb_major, DDB_NAME);
return PTR_ERR(ddb_class);
}
ddb_class->devnode = ddb_devnode;
return 0;
}
static void ddb_class_destroy(void)
{
class_destroy(ddb_class);
unregister_chrdev(ddb_major, DDB_NAME);
}
static int ddb_device_create(struct ddb *dev)
{
dev->nr = ddb_num++;
dev->ddb_dev = device_create(ddb_class, NULL,
MKDEV(ddb_major, dev->nr),
dev, "ddbridge%d", dev->nr);
ddbs[dev->nr] = dev;
if (IS_ERR(dev->ddb_dev))
return -1;
return 0;
}
static void ddb_device_destroy(struct ddb *dev)
{
ddb_num--;
if (IS_ERR(dev->ddb_dev))
return;
device_destroy(ddb_class, MKDEV(ddb_major, 0));
}
/****************************************************************************/
/****************************************************************************/
/****************************************************************************/
static void ddb_unmap(struct ddb *dev)
{
if (dev->regs)
iounmap(dev->regs);
vfree(dev);
}
static void ddb_remove(struct pci_dev *pdev)
{
struct ddb *dev = pci_get_drvdata(pdev);
ddb_ports_detach(dev);
ddb_i2c_release(dev);
ddbwritel(0, INTERRUPT_ENABLE);
free_irq(dev->pdev->irq, dev);
#ifdef CONFIG_PCI_MSI
if (dev->msi)
pci_disable_msi(dev->pdev);
#endif
ddb_ports_release(dev);
ddb_buffers_free(dev);
ddb_device_destroy(dev);
ddb_unmap(dev);
pci_set_drvdata(pdev, 0);
pci_disable_device(pdev);
}
static int ddb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct ddb *dev;
int stat = 0;
int irq_flag = IRQF_SHARED;
if (pci_enable_device(pdev) < 0)
return -ENODEV;
dev = vmalloc(sizeof(struct ddb));
if (dev == NULL)
return -ENOMEM;
memset(dev, 0, sizeof(struct ddb));
dev->pdev = pdev;
pci_set_drvdata(pdev, dev);
dev->info = (struct ddb_info *) id->driver_data;
printk(KERN_INFO "DDBridge driver detected: %s\n", dev->info->name);
dev->regs = ioremap(pci_resource_start(dev->pdev, 0),
pci_resource_len(dev->pdev, 0));
if (!dev->regs) {
stat = -ENOMEM;
goto fail;
}
printk(KERN_INFO "HW %08x FW %08x\n", ddbreadl(0), ddbreadl(4));
#ifdef CONFIG_PCI_MSI
if (pci_msi_enabled())
stat = pci_enable_msi(dev->pdev);
if (stat) {
printk(KERN_INFO ": MSI not available.\n");
} else {
irq_flag = 0;
dev->msi = 1;
}
#endif
stat = request_irq(dev->pdev->irq, irq_handler,
irq_flag, "DDBridge", (void *) dev);
if (stat < 0)
goto fail1;
ddbwritel(0, DMA_BASE_WRITE);
ddbwritel(0, DMA_BASE_READ);
ddbwritel(0xffffffff, INTERRUPT_ACK);
ddbwritel(0xfff0f, INTERRUPT_ENABLE);
ddbwritel(0, MSI1_ENABLE);
if (ddb_i2c_init(dev) < 0)
goto fail1;
ddb_ports_init(dev);
if (ddb_buffers_alloc(dev) < 0) {
printk(KERN_INFO ": Could not allocate buffer memory\n");
goto fail2;
}
if (ddb_ports_attach(dev) < 0)
goto fail3;
ddb_device_create(dev);
return 0;
fail3:
ddb_ports_detach(dev);
printk(KERN_ERR "fail3\n");
ddb_ports_release(dev);
fail2:
printk(KERN_ERR "fail2\n");
ddb_buffers_free(dev);
fail1:
printk(KERN_ERR "fail1\n");
if (dev->msi)
pci_disable_msi(dev->pdev);
free_irq(dev->pdev->irq, dev);
fail:
printk(KERN_ERR "fail\n");
ddb_unmap(dev);
pci_set_drvdata(pdev, 0);
pci_disable_device(pdev);
return -1;
}
/******************************************************************************/
/******************************************************************************/
/******************************************************************************/
static struct ddb_info ddb_none = {
.type = DDB_NONE,
.name = "Digital Devices PCIe bridge",
};
static struct ddb_info ddb_octopus = {
.type = DDB_OCTOPUS,
.name = "Digital Devices Octopus DVB adapter",
.port_num = 4,
};
static struct ddb_info ddb_octopus_le = {
.type = DDB_OCTOPUS,
.name = "Digital Devices Octopus LE DVB adapter",
.port_num = 2,
};
static struct ddb_info ddb_v6 = {
.type = DDB_OCTOPUS,
.name = "Digital Devices Cine S2 V6 DVB adapter",
.port_num = 3,
};
#define DDVID 0xdd01 /* Digital Devices Vendor ID */
#define DDB_ID(_vend, _dev, _subvend, _subdev, _driverdata) { \
.vendor = _vend, .device = _dev, \
.subvendor = _subvend, .subdevice = _subdev, \
.driver_data = (unsigned long)&_driverdata }
static const struct pci_device_id ddb_id_tbl[] = {
DDB_ID(DDVID, 0x0002, DDVID, 0x0001, ddb_octopus),
DDB_ID(DDVID, 0x0003, DDVID, 0x0001, ddb_octopus),
DDB_ID(DDVID, 0x0003, DDVID, 0x0002, ddb_octopus_le),
DDB_ID(DDVID, 0x0003, DDVID, 0x0010, ddb_octopus),
DDB_ID(DDVID, 0x0003, DDVID, 0x0020, ddb_v6),
/* in case sub-ids got deleted in flash */
DDB_ID(DDVID, 0x0003, PCI_ANY_ID, PCI_ANY_ID, ddb_none),
{0}
};
MODULE_DEVICE_TABLE(pci, ddb_id_tbl);
static struct pci_driver ddb_pci_driver = {
.name = "DDBridge",
.id_table = ddb_id_tbl,
.probe = ddb_probe,
.remove = ddb_remove,
};
static __init int module_init_ddbridge(void)
{
int ret;
printk(KERN_INFO "Digital Devices PCIE bridge driver, "
"Copyright (C) 2010-11 Digital Devices GmbH\n");
ret = ddb_class_create();
if (ret < 0)
return ret;
ret = pci_register_driver(&ddb_pci_driver);
if (ret < 0)
ddb_class_destroy();
return ret;
}
static __exit void module_exit_ddbridge(void)
{
pci_unregister_driver(&ddb_pci_driver);
ddb_class_destroy();
}
module_init(module_init_ddbridge);
module_exit(module_exit_ddbridge);
MODULE_DESCRIPTION("Digital Devices PCIe Bridge");
MODULE_AUTHOR("Ralph Metzler");
MODULE_LICENSE("GPL");
MODULE_VERSION("0.5");
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