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Diffstat (limited to 'linux/drivers/media/video/cx18/cx18-driver.c')
-rw-r--r--linux/drivers/media/video/cx18/cx18-driver.c249
1 files changed, 206 insertions, 43 deletions
diff --git a/linux/drivers/media/video/cx18/cx18-driver.c b/linux/drivers/media/video/cx18/cx18-driver.c
index 1fa9a670b..cea4735b6 100644
--- a/linux/drivers/media/video/cx18/cx18-driver.c
+++ b/linux/drivers/media/video/cx18/cx18-driver.c
@@ -56,9 +56,6 @@ struct cx18 *cx18_cards[CX18_MAX_CARDS];
/* Protects cx18_cards_active */
DEFINE_SPINLOCK(cx18_cards_lock);
-/* Queue for deferrable IRQ handling work for all cx18 cards in system */
-struct workqueue_struct *cx18_work_queue;
-
/* add your revision and whatnot here */
static struct pci_device_id cx18_pci_tbl[] __devinitdata = {
{PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,
@@ -86,12 +83,28 @@ static char secam[] = "--";
static char ntsc[] = "-";
/* Buffers */
-static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS;
static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS;
+static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS;
+static int enc_idx_buffers = CX18_DEFAULT_ENC_IDX_BUFFERS;
static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS;
static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS;
static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS;
+static int enc_ts_bufsize = CX18_DEFAULT_ENC_TS_BUFSIZE;
+static int enc_mpg_bufsize = CX18_DEFAULT_ENC_MPG_BUFSIZE;
+static int enc_idx_bufsize = CX18_DEFAULT_ENC_IDX_BUFSIZE;
+static int enc_yuv_bufsize = CX18_DEFAULT_ENC_YUV_BUFSIZE;
+/* VBI bufsize based on standards supported by card tuner for now */
+static int enc_pcm_bufsize = CX18_DEFAULT_ENC_PCM_BUFSIZE;
+
+static int enc_ts_bufs = -1;
+static int enc_mpg_bufs = -1;
+static int enc_idx_bufs = -1;
+static int enc_yuv_bufs = -1;
+static int enc_vbi_bufs = -1;
+static int enc_pcm_bufs = -1;
+
+
static int cx18_pci_latency = 1;
static int mmio_ndelay;
@@ -111,12 +124,27 @@ module_param(retry_mmio, int, 0644);
module_param(cx18_pci_latency, int, 0644);
module_param(cx18_first_minor, int, 0644);
-module_param(enc_mpg_buffers, int, 0644);
module_param(enc_ts_buffers, int, 0644);
+module_param(enc_mpg_buffers, int, 0644);
+module_param(enc_idx_buffers, int, 0644);
module_param(enc_yuv_buffers, int, 0644);
module_param(enc_vbi_buffers, int, 0644);
module_param(enc_pcm_buffers, int, 0644);
+module_param(enc_ts_bufsize, int, 0644);
+module_param(enc_mpg_bufsize, int, 0644);
+module_param(enc_idx_bufsize, int, 0644);
+module_param(enc_yuv_bufsize, int, 0644);
+/* VBI bufsize based on standards supported by card tuner for now */
+module_param(enc_pcm_bufsize, int, 0644);
+
+module_param(enc_ts_bufs, int, 0644);
+module_param(enc_mpg_bufs, int, 0644);
+module_param(enc_idx_bufs, int, 0644);
+module_param(enc_yuv_bufs, int, 0644);
+module_param(enc_vbi_bufs, int, 0644);
+module_param(enc_pcm_bufs, int, 0644);
+
MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
"\t\t\tsee tuner.h for values");
MODULE_PARM_DESC(radio,
@@ -157,21 +185,57 @@ MODULE_PARM_DESC(retry_mmio,
MODULE_PARM_DESC(mmio_ndelay,
"(Deprecated) MMIO accesses are now never purposely delayed\n"
"\t\t\tEffectively: 0 ns");
-MODULE_PARM_DESC(enc_mpg_buffers,
- "Encoder MPG Buffers (in MB)\n"
- "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS));
MODULE_PARM_DESC(enc_ts_buffers,
- "Encoder TS Buffers (in MB)\n"
+ "Encoder TS buffer memory (MB). (enc_ts_bufs can override)\n"
"\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS));
+MODULE_PARM_DESC(enc_ts_bufsize,
+ "Size of an encoder TS buffer (kB)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFSIZE));
+MODULE_PARM_DESC(enc_ts_bufs,
+ "Number of encoder TS buffers\n"
+ "\t\t\tDefault is computed from other enc_ts_* parameters");
+MODULE_PARM_DESC(enc_mpg_buffers,
+ "Encoder MPG buffer memory (MB). (enc_mpg_bufs can override)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS));
+MODULE_PARM_DESC(enc_mpg_bufsize,
+ "Size of an encoder MPG buffer (kB)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFSIZE));
+MODULE_PARM_DESC(enc_mpg_bufs,
+ "Number of encoder MPG buffers\n"
+ "\t\t\tDefault is computed from other enc_mpg_* parameters");
+MODULE_PARM_DESC(enc_idx_buffers,
+ "Encoder IDX buffer memory (MB). (enc_idx_bufs can override)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_IDX_BUFFERS));
+MODULE_PARM_DESC(enc_idx_bufsize,
+ "Size of an encoder IDX buffer (kB)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_IDX_BUFSIZE));
+MODULE_PARM_DESC(enc_idx_bufs,
+ "Number of encoder IDX buffers\n"
+ "\t\t\tDefault is computed from other enc_idx_* parameters");
MODULE_PARM_DESC(enc_yuv_buffers,
- "Encoder YUV Buffers (in MB)\n"
+ "Encoder YUV buffer memory (MB). (enc_yuv_bufs can override)\n"
"\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS));
+MODULE_PARM_DESC(enc_yuv_bufsize,
+ "Size of an encoder YUV buffer (kB)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFSIZE));
+MODULE_PARM_DESC(enc_yuv_bufs,
+ "Number of encoder YUV buffers\n"
+ "\t\t\tDefault is computed from other enc_yuv_* parameters");
MODULE_PARM_DESC(enc_vbi_buffers,
- "Encoder VBI Buffers (in MB)\n"
+ "Encoder VBI buffer memory (MB). (enc_vbi_bufs can override)\n"
"\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS));
+MODULE_PARM_DESC(enc_vbi_bufs,
+ "Number of encoder VBI buffers\n"
+ "\t\t\tDefault is computed from enc_vbi_buffers & tuner std");
MODULE_PARM_DESC(enc_pcm_buffers,
- "Encoder PCM buffers (in MB)\n"
+ "Encoder PCM buffer memory (MB). (enc_pcm_bufs can override)\n"
"\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS));
+MODULE_PARM_DESC(enc_pcm_bufsize,
+ "Size of an encoder PCM buffer (kB)\n"
+ "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFSIZE));
+MODULE_PARM_DESC(enc_pcm_bufs,
+ "Number of encoder PCM buffers\n"
+ "\t\t\tDefault is computed from other enc_pcm_* parameters");
MODULE_PARM_DESC(cx18_first_minor, "Set kernel number assigned to first card");
@@ -364,11 +428,65 @@ static void cx18_process_options(struct cx18 *cx)
{
int i, j;
- cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers;
cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers;
+ cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers;
+ cx->options.megabytes[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_buffers;
cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers;
cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers;
cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
+ cx->options.megabytes[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control only */
+
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufs;
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufs;
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufs;
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufs;
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_bufs;
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufs;
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control, no data */
+
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufsize;
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize;
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize;
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize;
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = 0; /* computed later */
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize;
+ cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */
+
+ /* Except for VBI ensure stream_buffers & stream_buf_size are valid */
+ for (i = 0; i < CX18_MAX_STREAMS; i++) {
+ /* User said to use 0 buffers */
+ if (cx->stream_buffers[i] == 0) {
+ cx->options.megabytes[i] = 0;
+ cx->stream_buf_size[i] = 0;
+ continue;
+ }
+ /* User said to use 0 MB total */
+ if (cx->options.megabytes[i] <= 0) {
+ cx->options.megabytes[i] = 0;
+ cx->stream_buffers[i] = 0;
+ cx->stream_buf_size[i] = 0;
+ continue;
+ }
+ /* VBI is computed later or user said buffer has size 0 */
+ if (cx->stream_buf_size[i] <= 0) {
+ if (i != CX18_ENC_STREAM_TYPE_VBI) {
+ cx->options.megabytes[i] = 0;
+ cx->stream_buffers[i] = 0;
+ cx->stream_buf_size[i] = 0;
+ }
+ continue;
+ }
+ if (cx->stream_buffers[i] < 0) {
+ cx->stream_buffers[i] = cx->options.megabytes[i] * 1024
+ / cx->stream_buf_size[i];
+ } else {
+ /* N.B. This might round down to 0 */
+ cx->options.megabytes[i] =
+ cx->stream_buffers[i] * cx->stream_buf_size[i] / 1024;
+ }
+ cx->stream_buf_size[i] *= 1024; /* convert from kB to bytes */
+ }
+
cx->options.cardtype = cardtype[cx->num];
cx->options.tuner = tuner[cx->num];
cx->options.radio = radio[cx->num];
@@ -446,6 +564,12 @@ static int __devinit cx18_init_struct1(struct cx18 *cx)
spin_lock_init(&cx->lock);
+ cx->work_queue = create_singlethread_workqueue(cx->name);
+ if (cx->work_queue == NULL) {
+ CX18_ERR("Unable to create work hander thread\n");
+ return -ENOMEM;
+ }
+
for (i = 0; i < CX18_MAX_EPU_WORK_ORDERS; i++) {
cx->epu_work_order[i].cx = cx;
cx->epu_work_order[i].str = cx->epu_debug_str;
@@ -475,15 +599,49 @@ static int __devinit cx18_init_struct1(struct cx18 *cx)
init_waitqueue_head(&cx->dma_waitq);
/* VBI */
- cx->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
+ cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced;
- cx->vbi.raw_size = 1456;
- cx->vbi.raw_decoder_line_size = 1456;
- cx->vbi.raw_decoder_sav_odd_field = 0x20;
- cx->vbi.raw_decoder_sav_even_field = 0x60;
- cx->vbi.sliced_decoder_line_size = 272;
- cx->vbi.sliced_decoder_sav_odd_field = 0xB0;
- cx->vbi.sliced_decoder_sav_even_field = 0xF0;
+
+ /*
+ * The VBI line sizes depend on the pixel clock and the horiz rate
+ *
+ * (1/Fh)*(2*Fp) = Samples/line
+ * = 4 bytes EAV + Anc data in hblank + 4 bytes SAV + active samples
+ *
+ * Sliced VBI is sent as ancillary data during horizontal blanking
+ * Raw VBI is sent as active video samples during vertcal blanking
+ *
+ * We use a BT.656 pxiel clock of 13.5 MHz and a BT.656 active line
+ * length of 720 pixels @ 4:2:2 sampling. Thus...
+ *
+ * For NTSC:
+ *
+ * (1/15,734 kHz) * 2 * 13.5 MHz = 1716 samples/line =
+ * 4 bytes SAV + 268 bytes anc data + 4 bytes SAV + 1440 active samples
+ *
+ * For PAL:
+ *
+ * (1/15,625 kHz) * 2 * 13.5 MHz = 1728 samples/line =
+ * 4 bytes SAV + 280 bytes anc data + 4 bytes SAV + 1440 active samples
+ *
+ */
+
+ /* CX18-AV-Core number of VBI samples output per horizontal line */
+ cx->vbi.raw_decoder_line_size = 1444; /* 4 byte SAV + 2 * 720 */
+ cx->vbi.sliced_decoder_line_size = 272; /* 60 Hz: 268+4, 50 Hz: 280+4 */
+
+ /* CX18-AV-Core VBI samples/line possibly rounded up */
+ cx->vbi.raw_size = 1444; /* Real max size is 1444 */
+ cx->vbi.sliced_size = 284; /* Real max size is 284 */
+
+ /*
+ * CX18-AV-Core SAV/EAV RP codes in VIP 1.x mode
+ * Task Field VerticalBlank HorizontalBlank 0 0 0 0
+ */
+ cx->vbi.raw_decoder_sav_odd_field = 0x20; /* V */
+ cx->vbi.raw_decoder_sav_even_field = 0x60; /* FV */
+ cx->vbi.sliced_decoder_sav_odd_field = 0xB0; /* T VH - actually EAV */
+ cx->vbi.sliced_decoder_sav_even_field = 0xF0; /* TFVH - actually EAV */
return 0;
}
@@ -516,6 +674,7 @@ static void __devinit cx18_init_struct2(struct cx18 *cx)
cx->av_state.aud_input = CX18_AV_AUDIO8;
cx->av_state.audclk_freq = 48000;
cx->av_state.audmode = V4L2_TUNER_MODE_LANG1;
+ /* FIXME - 8 is NTSC value, investigate */
cx->av_state.vbi_line_offset = 8;
}
@@ -660,12 +819,9 @@ static int __devinit cx18_probe(struct pci_dev *dev,
/* 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;
- }
+ if (retval != 0)
+ goto free_workqueue;
+
/* save cx in the pci struct for later use */
pci_set_drvdata(dev, cx);
@@ -773,13 +929,18 @@ static int __devinit cx18_probe(struct pci_dev *dev,
}
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->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] < 0)
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] =
+ cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] * 1024 * 1024
+ / vbi_buf_size;
+ else
+ cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] =
+ cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] * vbi_buf_size
+ / (1024 * 1024);
+
if (cx->options.radio > 0)
cx->v4l2_cap |= V4L2_CAP_RADIO;
@@ -835,6 +996,7 @@ free_map:
free_mem:
release_mem_region(cx->base_addr, CX18_MEM_SIZE);
free_workqueue:
+ destroy_workqueue(cx->work_queue);
err:
if (retval == 0)
retval = -ENODEV;
@@ -917,6 +1079,7 @@ int cx18_init_on_first_open(struct cx18 *cx)
return 0;
}
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
static void cx18_cancel_epu_work_orders(struct cx18 *cx)
{
int i;
@@ -924,6 +1087,7 @@ static void cx18_cancel_epu_work_orders(struct cx18 *cx)
cancel_work_sync(&cx->epu_work_order[i].work);
}
+#endif
static void cx18_remove(struct pci_dev *pci_dev)
{
struct cx18 *cx = pci_get_drvdata(pci_dev);
@@ -937,11 +1101,22 @@ static void cx18_remove(struct pci_dev *pci_dev)
/* Interrupts */
cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
cx18_halt_firmware(cx);
cx18_cancel_epu_work_orders(cx);
+#else
+
+ flush_workqueue(cx->work_queue);
+
+ cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
+
+ cx18_halt_firmware(cx);
+#endif
+
+ destroy_workqueue(cx->work_queue);
cx18_streams_cleanup(cx, 1);
@@ -984,17 +1159,8 @@ static int module_start(void)
printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n");
}
- cx18_work_queue = create_singlethread_workqueue("cx18");
- if (cx18_work_queue == NULL) {
- printk(KERN_ERR
- "cx18: Unable to create work hander thread\n");
- return -ENOMEM;
- }
-
if (pci_register_driver(&cx18_pci_driver)) {
printk(KERN_ERR "cx18: Error detecting PCI card\n");
- destroy_workqueue(cx18_work_queue);
- cx18_work_queue = NULL;
return -ENODEV;
}
printk(KERN_INFO "cx18: End initialization\n");
@@ -1007,9 +1173,6 @@ static void module_cleanup(void)
pci_unregister_driver(&cx18_pci_driver);
- destroy_workqueue(cx18_work_queue);
- cx18_work_queue = NULL;
-
for (i = 0; i < cx18_cards_active; i++) {
if (cx18_cards[i] == NULL)
continue;