static void cx18_remove(struct pci_dev *pci_dev)
{
struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
struct cx18 *cx = to_cx18(v4l2_dev);
int i;
CX18_DEBUG_INFO("Removing Card\n");
/* Stop all captures */
CX18_DEBUG_INFO("Stopping all streams\n");
if (atomic_read(&cx->tot_capturing) > 0)
cx18_stop_all_captures(cx);
/* Stop interrupts that cause incoming work to be queued */
cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
/* Incoming work can cause outgoing work, so clean up incoming first */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
cx18_cancel_in_work_orders(cx);
cx18_cancel_out_work_orders(cx);
#else
flush_workqueue(cx->in_work_queue);
flush_workqueue(cx->out_work_queue);
#endif
/* Stop ack interrupts that may have been needed for work to finish */
cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
cx18_halt_firmware(cx);
destroy_workqueue(cx->in_work_queue);
destroy_workqueue(cx->out_work_queue);
cx18_streams_cleanup(cx, 1);
exit_cx18_i2c(cx);
free_irq(cx->pci_dev->irq, (void *)cx);
cx18_iounmap(cx);
release_mem_region(cx->base_addr, CX18_MEM_SIZE);
pci_disable_device(cx->pci_dev);
if (cx->vbi.sliced_mpeg_data[0] != NULL)
for (i = 0; i < CX18_VBI_FRAMES; i++)
kfree(cx->vbi.sliced_mpeg_data[i]);
CX18_INFO("Removed %s\n", cx->card_name);
v4l2_device_unregister(v4l2_dev);
kfree(cx);
}
static void cx18_remove(struct pci_dev *pci_dev)
{
struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
struct cx18 *cx = to_cx18(v4l2_dev);
int i;
CX18_DEBUG_INFO("Removing Card\n");
CX18_DEBUG_INFO("Stopping all streams\n");
if (atomic_read(&cx->tot_capturing) > 0)
cx18_stop_all_captures(cx);
cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
cx18_cancel_in_work_orders(cx);
cx18_cancel_out_work_orders(cx);
cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
cx18_halt_firmware(cx);
destroy_workqueue(cx->in_work_queue);
destroy_workqueue(cx->out_work_queue);
cx18_streams_cleanup(cx, 1);
exit_cx18_i2c(cx);
free_irq(cx->pci_dev->irq, (void *)cx);
cx18_iounmap(cx);
release_mem_region(cx->base_addr, CX18_MEM_SIZE);
pci_disable_device(cx->pci_dev);
if (cx->vbi.sliced_mpeg_data[0] != NULL)
for (i = 0; i < CX18_VBI_FRAMES; i++)
kfree(cx->vbi.sliced_mpeg_data[i]);
CX18_INFO("Removed %s\n", cx->card_name);
v4l2_device_unregister(v4l2_dev);
kfree(cx);
}
static int __devinit cx18_probe(struct pci_dev *dev,
const struct pci_device_id *pci_id)
{
int retval = 0;
int vbi_buf_size;
u32 devtype;
struct cx18 *cx;
spin_lock(&cx18_cards_lock);
/* Make sure we've got a place for this card */
if (cx18_cards_active == CX18_MAX_CARDS) {
printk(KERN_ERR "cx18: Maximum number of cards detected (%d).\n",
cx18_cards_active);
spin_unlock(&cx18_cards_lock);
return -ENOMEM;
}
cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC);
if (!cx) {
spin_unlock(&cx18_cards_lock);
return -ENOMEM;
}
cx18_cards[cx18_cards_active] = cx;
cx->dev = dev;
cx->num = cx18_cards_active++;
snprintf(cx->name, sizeof(cx->name), "cx18-%d", cx->num);
CX18_INFO("Initializing card #%d\n", cx->num);
spin_unlock(&cx18_cards_lock);
cx18_process_options(cx);
if (cx->options.cardtype == -1) {
retval = -ENODEV;
goto err;
}
if (cx18_init_struct1(cx)) {
retval = -ENOMEM;
goto err;
}
CX18_DEBUG_INFO("base addr: 0x%08x\n", cx->base_addr);
/* PCI Device Setup */
retval = cx18_setup_pci(cx, dev, pci_id);
if (retval != 0) {
if (retval == -EIO)
goto free_workqueue;
else if (retval == -ENXIO)
goto free_mem;
}
/* save cx in the pci struct for later use */
pci_set_drvdata(dev, cx);
/* map io memory */
CX18_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE);
cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET,
CX18_MEM_SIZE);
if (!cx->enc_mem) {
CX18_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n");
CX18_ERR("or disabling CONFIG_HIGHMEM4G into the kernel would help\n");
retval = -ENOMEM;
goto free_mem;
}
cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET;
devtype = cx18_read_reg(cx, 0xC72028);
switch (devtype & 0xff000000) {
case 0xff000000:
CX18_INFO("cx23418 revision %08x (A)\n", devtype);
break;
case 0x01000000:
CX18_INFO("cx23418 revision %08x (B)\n", devtype);
break;
default:
CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype);
break;
}
cx18_init_power(cx, 1);
cx18_init_memory(cx);
cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET);
cx18_init_scb(cx);
cx18_gpio_init(cx);
/* active i2c */
CX18_DEBUG_INFO("activating i2c...\n");
if (init_cx18_i2c(cx)) {
CX18_ERR("Could not initialize i2c\n");
goto free_map;
}
CX18_DEBUG_INFO("Active card count: %d.\n", cx18_cards_active);
if (cx->card->hw_all & CX18_HW_TVEEPROM) {
/* Based on the model number the cardtype may be changed.
The PCI IDs are not always reliable. */
cx18_process_eeprom(cx);
}
if (cx->card->comment)
CX18_INFO("%s", cx->card->comment);
if (cx->card->v4l2_capabilities == 0) {
retval = -ENODEV;
goto free_i2c;
}
cx18_init_memory(cx);
/* Register IRQ */
retval = request_irq(cx->dev->irq, cx18_irq_handler,
IRQF_SHARED | IRQF_DISABLED, cx->name, (void *)cx);
if (retval) {
CX18_ERR("Failed to register irq %d\n", retval);
goto free_i2c;
}
if (cx->std == 0)
cx->std = V4L2_STD_NTSC_M;
if (cx->options.tuner == -1) {
int i;
for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
if ((cx->std & cx->card->tuners[i].std) == 0)
continue;
cx->options.tuner = cx->card->tuners[i].tuner;
break;
}
}
/* if no tuner was found, then pick the first tuner in the card list */
if (cx->options.tuner == -1 && cx->card->tuners[0].std) {
cx->std = cx->card->tuners[0].std;
if (cx->std & V4L2_STD_PAL)
cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
else if (cx->std & V4L2_STD_NTSC)
cx->std = V4L2_STD_NTSC_M;
else if (cx->std & V4L2_STD_SECAM)
cx->std = V4L2_STD_SECAM_L;
cx->options.tuner = cx->card->tuners[0].tuner;
}
if (cx->options.radio == -1)
cx->options.radio = (cx->card->radio_input.audio_type != 0);
/* The card is now fully identified, continue with card-specific
initialization. */
cx18_init_struct2(cx);
cx18_load_and_init_modules(cx);
if (cx->std & V4L2_STD_525_60) {
cx->is_60hz = 1;
cx->is_out_60hz = 1;
} else {
cx->is_50hz = 1;
cx->is_out_50hz = 1;
}
cx->params.video_gop_size = cx->is_60hz ? 15 : 12;
cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = 0x08000;
cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = 0x08000;
cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = 0x01200;
cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = 0x20000;
vbi_buf_size = cx->vbi.raw_size * (cx->is_60hz ? 24 : 36) / 2;
cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_buf_size;
if (cx->options.radio > 0)
cx->v4l2_cap |= V4L2_CAP_RADIO;
if (cx->options.tuner > -1) {
struct tuner_setup setup;
setup.addr = ADDR_UNSET;
setup.type = cx->options.tuner;
setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */
setup.tuner_callback = (setup.type == TUNER_XC2028) ?
cx18_reset_tuner_gpio : NULL;
cx18_call_i2c_clients(cx, TUNER_SET_TYPE_ADDR, &setup);
if (setup.type == TUNER_XC2028) {
static struct xc2028_ctrl ctrl = {
.fname = XC2028_DEFAULT_FIRMWARE,
.max_len = 64,
};
struct v4l2_priv_tun_config cfg = {
.tuner = cx->options.tuner,
.priv = &ctrl,
};
cx18_call_i2c_clients(cx, TUNER_SET_CONFIG, &cfg);
}
}
/* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
are not. */
cx->tuner_std = cx->std;
retval = cx18_streams_setup(cx);
if (retval) {
CX18_ERR("Error %d setting up streams\n", retval);
goto free_irq;
}
retval = cx18_streams_register(cx);
if (retval) {
CX18_ERR("Error %d registering devices\n", retval);
goto free_streams;
}
CX18_INFO("Initialized card #%d: %s\n", cx->num, cx->card_name);
return 0;
free_streams:
cx18_streams_cleanup(cx, 1);
free_irq:
free_irq(cx->dev->irq, (void *)cx);
free_i2c:
exit_cx18_i2c(cx);
free_map:
cx18_iounmap(cx);
free_mem:
release_mem_region(cx->base_addr, CX18_MEM_SIZE);
free_workqueue:
err:
if (retval == 0)
retval = -ENODEV;
CX18_ERR("Error %d on initialization\n", retval);
cx18_log_statistics(cx);
kfree(cx18_cards[cx18_cards_active]);
cx18_cards[cx18_cards_active] = NULL;
return retval;
}
int cx18_init_on_first_open(struct cx18 *cx)
{
int video_input;
int fw_retry_count = 3;
struct v4l2_frequency vf;
struct cx18_open_id fh;
fh.cx = cx;
if (test_bit(CX18_F_I_FAILED, &cx->i_flags))
return -ENXIO;
if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags))
return 0;
while (--fw_retry_count > 0) {
/* load firmware */
if (cx18_firmware_init(cx) == 0)
break;
if (fw_retry_count > 1)
CX18_WARN("Retry loading firmware\n");
}
if (fw_retry_count == 0) {
set_bit(CX18_F_I_FAILED, &cx->i_flags);
return -ENXIO;
}
set_bit(CX18_F_I_LOADED_FW, &cx->i_flags);
/* Init the firmware twice to work around a silicon bug
* transport related. */
fw_retry_count = 3;
while (--fw_retry_count > 0) {
/* load firmware */
if (cx18_firmware_init(cx) == 0)
break;
if (fw_retry_count > 1)
CX18_WARN("Retry loading firmware\n");
}
if (fw_retry_count == 0) {
set_bit(CX18_F_I_FAILED, &cx->i_flags);
return -ENXIO;
}
vf.tuner = 0;
vf.type = V4L2_TUNER_ANALOG_TV;
vf.frequency = 6400; /* the tuner 'baseline' frequency */
/* Set initial frequency. For PAL/SECAM broadcasts no
'default' channel exists AFAIK. */
if (cx->std == V4L2_STD_NTSC_M_JP)
vf.frequency = 1460; /* ch. 1 91250*16/1000 */
else if (cx->std & V4L2_STD_NTSC_M)
vf.frequency = 1076; /* ch. 4 67250*16/1000 */
video_input = cx->active_input;
cx->active_input++; /* Force update of input */
cx18_s_input(NULL, &fh, video_input);
/* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
in one place. */
cx->std++; /* Force full standard initialization */
cx18_s_std(NULL, &fh, &cx->tuner_std);
cx18_s_frequency(NULL, &fh, &vf);
return 0;
}
static void cx18_remove(struct pci_dev *pci_dev)
{
struct cx18 *cx = pci_get_drvdata(pci_dev);
CX18_DEBUG_INFO("Removing Card #%d\n", cx->num);
/* Stop all captures */
CX18_DEBUG_INFO("Stopping all streams\n");
if (atomic_read(&cx->tot_capturing) > 0)
cx18_stop_all_captures(cx);
/* Interrupts */
cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
cx18_halt_firmware(cx);
cx18_streams_cleanup(cx, 1);
exit_cx18_i2c(cx);
free_irq(cx->dev->irq, (void *)cx);
cx18_iounmap(cx);
release_mem_region(cx->base_addr, CX18_MEM_SIZE);
pci_disable_device(cx->dev);
cx18_log_statistics(cx);
CX18_INFO("Removed %s, card #%d\n", cx->card_name, cx->num);
}
/* define a pci_driver for card detection */
static struct pci_driver cx18_pci_driver = {
.name = "cx18",
.id_table = cx18_pci_tbl,
.probe = cx18_probe,
.remove = cx18_remove,
};
static int module_start(void)
{
printk(KERN_INFO "cx18: Start initialization, version %s\n", CX18_VERSION);
memset(cx18_cards, 0, sizeof(cx18_cards));
/* Validate parameters */
if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) {
printk(KERN_ERR "cx18: Exiting, cx18_first_minor must be between 0 and %d\n",
CX18_MAX_CARDS - 1);
return -1;
}
if (cx18_debug < 0 || cx18_debug > 511) {
cx18_debug = 0;
printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n");
}
if (pci_register_driver(&cx18_pci_driver)) {
printk(KERN_ERR "cx18: Error detecting PCI card\n");
return -ENODEV;
}
printk(KERN_INFO "cx18: End initialization\n");
return 0;
}
static void module_cleanup(void)
{
int i;
pci_unregister_driver(&cx18_pci_driver);
for (i = 0; i < cx18_cards_active; i++) {
if (cx18_cards[i] == NULL)
continue;
kfree(cx18_cards[i]);
}
}
