diff options
Diffstat (limited to 'linux/drivers/media/video/cx18/cx18-driver.c')
-rw-r--r-- | linux/drivers/media/video/cx18/cx18-driver.c | 249 |
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; |