/* * * device driver for Conexant 2388x based TV cards * video4linux video interface * * (c) 2003-04 Gerd Knorr [SuSE Labs] * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include #include #include #include #include #include #include #include #include "cx88.h" /* Include V4L1 specific functions. Should be removed soon */ #include MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards"); MODULE_AUTHOR("Gerd Knorr [SuSE Labs]"); MODULE_LICENSE("GPL"); /* ------------------------------------------------------------------ */ static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; module_param_array(video_nr, int, NULL, 0444); module_param_array(vbi_nr, int, NULL, 0444); module_param_array(radio_nr, int, NULL, 0444); MODULE_PARM_DESC(video_nr,"video device numbers"); MODULE_PARM_DESC(vbi_nr,"vbi device numbers"); MODULE_PARM_DESC(radio_nr,"radio device numbers"); static unsigned int video_debug = 0; module_param(video_debug,int,0644); MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); static unsigned int irq_debug = 0; module_param(irq_debug,int,0644); MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); static unsigned int vid_limit = 16; module_param(vid_limit,int,0644); MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes"); #define dprintk(level,fmt, arg...) if (video_debug >= level) \ printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg) /* ------------------------------------------------------------------ */ static LIST_HEAD(cx8800_devlist); /* ------------------------------------------------------------------- */ /* static data */ static struct cx88_tvnorm tvnorms[] = { { .name = "NTSC-M", .id = V4L2_STD_NTSC_M, .cxiformat = VideoFormatNTSC, .cxoformat = 0x181f0008, },{ .name = "NTSC-JP", .id = V4L2_STD_NTSC_M_JP, .cxiformat = VideoFormatNTSCJapan, .cxoformat = 0x181f0008, },{ .name = "PAL-BG", .id = V4L2_STD_PAL_BG, .cxiformat = VideoFormatPAL, .cxoformat = 0x181f0008, },{ .name = "PAL-DK", .id = V4L2_STD_PAL_DK, .cxiformat = VideoFormatPAL, .cxoformat = 0x181f0008, },{ .name = "PAL-I", .id = V4L2_STD_PAL_I, .cxiformat = VideoFormatPAL, .cxoformat = 0x181f0008, },{ .name = "PAL-M", .id = V4L2_STD_PAL_M, .cxiformat = VideoFormatPALM, .cxoformat = 0x1c1f0008, },{ .name = "PAL-N", .id = V4L2_STD_PAL_N, .cxiformat = VideoFormatPALN, .cxoformat = 0x1c1f0008, },{ .name = "PAL-Nc", .id = V4L2_STD_PAL_Nc, .cxiformat = VideoFormatPALNC, .cxoformat = 0x1c1f0008, },{ .name = "PAL-60", .id = V4L2_STD_PAL_60, .cxiformat = VideoFormatPAL60, .cxoformat = 0x181f0008, },{ .name = "SECAM-L", .id = V4L2_STD_SECAM_L, .cxiformat = VideoFormatSECAM, .cxoformat = 0x181f0008, },{ .name = "SECAM-DK", .id = V4L2_STD_SECAM_DK, .cxiformat = VideoFormatSECAM, .cxoformat = 0x181f0008, } }; static struct cx8800_fmt formats[] = { { .name = "8 bpp, gray", .fourcc = V4L2_PIX_FMT_GREY, .cxformat = ColorFormatY8, .depth = 8, .flags = FORMAT_FLAGS_PACKED, },{ .name = "15 bpp RGB, le", .fourcc = V4L2_PIX_FMT_RGB555, .cxformat = ColorFormatRGB15, .depth = 16, .flags = FORMAT_FLAGS_PACKED, },{ .name = "15 bpp RGB, be", .fourcc = V4L2_PIX_FMT_RGB555X, .cxformat = ColorFormatRGB15 | ColorFormatBSWAP, .depth = 16, .flags = FORMAT_FLAGS_PACKED, },{ .name = "16 bpp RGB, le", .fourcc = V4L2_PIX_FMT_RGB565, .cxformat = ColorFormatRGB16, .depth = 16, .flags = FORMAT_FLAGS_PACKED, },{ .name = "16 bpp RGB, be", .fourcc = V4L2_PIX_FMT_RGB565X, .cxformat = ColorFormatRGB16 | ColorFormatBSWAP, .depth = 16, .flags = FORMAT_FLAGS_PACKED, },{ .name = "24 bpp RGB, le", .fourcc = V4L2_PIX_FMT_BGR24, .cxformat = ColorFormatRGB24, .depth = 24, .flags = FORMAT_FLAGS_PACKED, },{ .name = "32 bpp RGB, le", .fourcc = V4L2_PIX_FMT_BGR32, .cxformat = ColorFormatRGB32, .depth = 32, .flags = FORMAT_FLAGS_PACKED, },{ .name = "32 bpp RGB, be", .fourcc = V4L2_PIX_FMT_RGB32, .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP, .depth = 32, .flags = FORMAT_FLAGS_PACKED, },{ .name = "4:2:2, packed, YUYV", .fourcc = V4L2_PIX_FMT_YUYV, .cxformat = ColorFormatYUY2, .depth = 16, .flags = FORMAT_FLAGS_PACKED, },{ .name = "4:2:2, packed, UYVY", .fourcc = V4L2_PIX_FMT_UYVY, .cxformat = ColorFormatYUY2 | ColorFormatBSWAP, .depth = 16, .flags = FORMAT_FLAGS_PACKED, }, }; static struct cx8800_fmt* format_by_fourcc(unsigned int fourcc) { unsigned int i; for (i = 0; i < ARRAY_SIZE(formats); i++) if (formats[i].fourcc == fourcc) return formats+i; return NULL; } /* ------------------------------------------------------------------- */ static const struct v4l2_queryctrl no_ctl = { .name = "42", .flags = V4L2_CTRL_FLAG_DISABLED, }; static struct cx88_ctrl cx8800_ctls[] = { /* --- video --- */ { .v = { .id = V4L2_CID_BRIGHTNESS, .name = "Brightness", .minimum = 0x00, .maximum = 0xff, .step = 1, .default_value = 0, .type = V4L2_CTRL_TYPE_INTEGER, }, .off = 128, .reg = MO_CONTR_BRIGHT, .mask = 0x00ff, .shift = 0, },{ .v = { .id = V4L2_CID_CONTRAST, .name = "Contrast", .minimum = 0, .maximum = 0xff, .step = 1, .default_value = 0, .type = V4L2_CTRL_TYPE_INTEGER, }, .off = 0, .reg = MO_CONTR_BRIGHT, .mask = 0xff00, .shift = 8, },{ .v = { .id = V4L2_CID_HUE, .name = "Hue", .minimum = 0, .maximum = 0xff, .step = 1, .default_value = 0, .type = V4L2_CTRL_TYPE_INTEGER, }, .off = 128, .reg = MO_HUE, .mask = 0x00ff, .shift = 0, },{ /* strictly, this only describes only U saturation. * V saturation is handled specially through code. */ .v = { .id = V4L2_CID_SATURATION, .name = "Saturation", .minimum = 0, .maximum = 0xff, .step = 1, .default_value = 0, .type = V4L2_CTRL_TYPE_INTEGER, }, .off = 0, .reg = MO_UV_SATURATION, .mask = 0x00ff, .shift = 0, },{ /* --- audio --- */ .v = { .id = V4L2_CID_AUDIO_MUTE, .name = "Mute", .minimum = 0, .maximum = 1, .type = V4L2_CTRL_TYPE_BOOLEAN, }, .reg = AUD_VOL_CTL, .sreg = SHADOW_AUD_VOL_CTL, .mask = (1 << 6), .shift = 6, },{ .v = { .id = V4L2_CID_AUDIO_VOLUME, .name = "Volume", .minimum = 0, .maximum = 0x3f, .step = 1, .default_value = 0, .type = V4L2_CTRL_TYPE_INTEGER, }, .reg = AUD_VOL_CTL, .sreg = SHADOW_AUD_VOL_CTL, .mask = 0x3f, .shift = 0, },{ .v = { .id = V4L2_CID_AUDIO_BALANCE, .name = "Balance", .minimum = 0, .maximum = 0x7f, .step = 1, .default_value = 0x40, .type = V4L2_CTRL_TYPE_INTEGER, }, .reg = AUD_BAL_CTL, .sreg = SHADOW_AUD_BAL_CTL, .mask = 0x7f, .shift = 0, } }; static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls); /* ------------------------------------------------------------------- */ /* resource management */ static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bit) { struct cx88_core *core = dev->core; if (fh->resources & bit) /* have it already allocated */ return 1; /* is it free? */ down(&core->lock); if (dev->resources & bit) { /* no, someone else uses it */ up(&core->lock); return 0; } /* it's free, grab it */ fh->resources |= bit; dev->resources |= bit; dprintk(1,"res: get %d\n",bit); up(&core->lock); return 1; } static int res_check(struct cx8800_fh *fh, unsigned int bit) { return (fh->resources & bit); } static int res_locked(struct cx8800_dev *dev, unsigned int bit) { return (dev->resources & bit); } static void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits) { struct cx88_core *core = dev->core; if ((fh->resources & bits) != bits) BUG(); down(&core->lock); fh->resources &= ~bits; dev->resources &= ~bits; dprintk(1,"res: put %d\n",bits); up(&core->lock); } /* ------------------------------------------------------------------ */ /* static int video_mux(struct cx8800_dev *dev, unsigned int input) */ static int video_mux(struct cx88_core *core, unsigned int input) { /* struct cx88_core *core = dev->core; */ dprintk(1,"video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n", input, INPUT(input)->vmux, INPUT(input)->gpio0,INPUT(input)->gpio1, INPUT(input)->gpio2,INPUT(input)->gpio3); core->input = input; cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input)->vmux << 14); cx_write(MO_GP3_IO, INPUT(input)->gpio3); cx_write(MO_GP0_IO, INPUT(input)->gpio0); cx_write(MO_GP1_IO, INPUT(input)->gpio1); cx_write(MO_GP2_IO, INPUT(input)->gpio2); switch (INPUT(input)->type) { case CX88_VMUX_SVIDEO: cx_set(MO_AFECFG_IO, 0x00000001); cx_set(MO_INPUT_FORMAT, 0x00010010); cx_set(MO_FILTER_EVEN, 0x00002020); cx_set(MO_FILTER_ODD, 0x00002020); break; default: cx_clear(MO_AFECFG_IO, 0x00000001); cx_clear(MO_INPUT_FORMAT, 0x00010010); cx_clear(MO_FILTER_EVEN, 0x00002020); cx_clear(MO_FILTER_ODD, 0x00002020); break; } return 0; } /* ------------------------------------------------------------------ */ static int start_video_dma(struct cx8800_dev *dev, struct cx88_dmaqueue *q, struct cx88_buffer *buf) { struct cx88_core *core = dev->core; /* setup fifo + format */ cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21], buf->bpl, buf->risc.dma); cx88_set_scale(core, buf->vb.width, buf->vb.height, buf->vb.field); cx_write(MO_COLOR_CTRL, buf->fmt->cxformat | ColorFormatGamma); /* reset counter */ cx_write(MO_VIDY_GPCNTRL,GP_COUNT_CONTROL_RESET); q->count = 1; /* enable irqs */ cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x01); /* Enables corresponding bits at PCI_INT_STAT: bits 0 to 4: video, audio, transport stream, VIP, Host bit 7: timer bits 8 and 9: DMA complete for: SRC, DST bits 10 and 11: BERR signal asserted for RISC: RD, WR bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB */ cx_set(MO_VID_INTMSK, 0x0f0011); /* enable capture */ cx_set(VID_CAPTURE_CONTROL,0x06); /* start dma */ cx_set(MO_DEV_CNTRL2, (1<<5)); cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */ return 0; } static int stop_video_dma(struct cx8800_dev *dev) { struct cx88_core *core = dev->core; /* stop dma */ cx_clear(MO_VID_DMACNTRL, 0x11); /* disable capture */ cx_clear(VID_CAPTURE_CONTROL,0x06); /* disable irqs */ cx_clear(MO_PCI_INTMSK, 0x000001); cx_clear(MO_VID_INTMSK, 0x0f0011); return 0; } static int restart_video_queue(struct cx8800_dev *dev, struct cx88_dmaqueue *q) { struct cx88_core *core = dev->core; struct cx88_buffer *buf, *prev; struct list_head *item; if (!list_empty(&q->active)) { buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); dprintk(2,"restart_queue [%p/%d]: restart dma\n", buf, buf->vb.i); start_video_dma(dev, q, buf); list_for_each(item,&q->active) { buf = list_entry(item, struct cx88_buffer, vb.queue); buf->count = q->count++; } mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); return 0; } prev = NULL; for (;;) { if (list_empty(&q->queued)) return 0; buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); if (NULL == prev) { list_del(&buf->vb.queue); list_add_tail(&buf->vb.queue,&q->active); start_video_dma(dev, q, buf); buf->vb.state = STATE_ACTIVE; buf->count = q->count++; mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); dprintk(2,"[%p/%d] restart_queue - first active\n", buf,buf->vb.i); } else if (prev->vb.width == buf->vb.width && prev->vb.height == buf->vb.height && prev->fmt == buf->fmt) { list_del(&buf->vb.queue); list_add_tail(&buf->vb.queue,&q->active); buf->vb.state = STATE_ACTIVE; buf->count = q->count++; prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); dprintk(2,"[%p/%d] restart_queue - move to active\n", buf,buf->vb.i); } else { return 0; } prev = buf; } } /* ------------------------------------------------------------------ */ static int buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) { struct cx8800_fh *fh = q->priv_data; *size = fh->fmt->depth*fh->width*fh->height >> 3; if (0 == *count) *count = 32; while (*size * *count > vid_limit * 1024 * 1024) (*count)--; return 0; } static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, enum v4l2_field field) { struct cx8800_fh *fh = q->priv_data; struct cx8800_dev *dev = fh->dev; struct cx88_core *core = dev->core; struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); int rc, init_buffer = 0; BUG_ON(NULL == fh->fmt); if (fh->width < 48 || fh->width > norm_maxw(core->tvnorm) || fh->height < 32 || fh->height > norm_maxh(core->tvnorm)) return -EINVAL; buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) return -EINVAL; if (buf->fmt != fh->fmt || buf->vb.width != fh->width || buf->vb.height != fh->height || buf->vb.field != field) { buf->fmt = fh->fmt; buf->vb.width = fh->width; buf->vb.height = fh->height; buf->vb.field = field; init_buffer = 1; } if (STATE_NEEDS_INIT == buf->vb.state) { init_buffer = 1; if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL))) goto fail; } if (init_buffer) { buf->bpl = buf->vb.width * buf->fmt->depth >> 3; switch (buf->vb.field) { case V4L2_FIELD_TOP: cx88_risc_buffer(dev->pci, &buf->risc, buf->vb.dma.sglist, 0, UNSET, buf->bpl, 0, buf->vb.height); break; case V4L2_FIELD_BOTTOM: cx88_risc_buffer(dev->pci, &buf->risc, buf->vb.dma.sglist, UNSET, 0, buf->bpl, 0, buf->vb.height); break; case V4L2_FIELD_INTERLACED: cx88_risc_buffer(dev->pci, &buf->risc, buf->vb.dma.sglist, 0, buf->bpl, buf->bpl, buf->bpl, buf->vb.height >> 1); break; case V4L2_FIELD_SEQ_TB: cx88_risc_buffer(dev->pci, &buf->risc, buf->vb.dma.sglist, 0, buf->bpl * (buf->vb.height >> 1), buf->bpl, 0, buf->vb.height >> 1); break; case V4L2_FIELD_SEQ_BT: cx88_risc_buffer(dev->pci, &buf->risc, buf->vb.dma.sglist, buf->bpl * (buf->vb.height >> 1), 0, buf->bpl, 0, buf->vb.height >> 1); break; default: BUG(); } } dprintk(2,"[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", buf, buf->vb.i, fh->width, fh->height, fh->fmt->depth, fh->fmt->name, (unsigned long)buf->risc.dma); buf->vb.state = STATE_PREPARED; return 0; fail: cx88_free_buffer(dev->pci,buf); return rc; } static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) { struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); struct cx88_buffer *prev; struct cx8800_fh *fh = vq->priv_data; struct cx8800_dev *dev = fh->dev; struct cx88_core *core = dev->core; struct cx88_dmaqueue *q = &dev->vidq; /* add jump to stopper */ buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); if (!list_empty(&q->queued)) { list_add_tail(&buf->vb.queue,&q->queued); buf->vb.state = STATE_QUEUED; dprintk(2,"[%p/%d] buffer_queue - append to queued\n", buf, buf->vb.i); } else if (list_empty(&q->active)) { list_add_tail(&buf->vb.queue,&q->active); start_video_dma(dev, q, buf); buf->vb.state = STATE_ACTIVE; buf->count = q->count++; mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); dprintk(2,"[%p/%d] buffer_queue - first active\n", buf, buf->vb.i); } else { prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue); if (prev->vb.width == buf->vb.width && prev->vb.height == buf->vb.height && prev->fmt == buf->fmt) { list_add_tail(&buf->vb.queue,&q->active); buf->vb.state = STATE_ACTIVE; buf->count = q->count++; prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); dprintk(2,"[%p/%d] buffer_queue - append to active\n", buf, buf->vb.i); } else { list_add_tail(&buf->vb.queue,&q->queued); buf->vb.state = STATE_QUEUED; dprintk(2,"[%p/%d] buffer_queue - first queued\n", buf, buf->vb.i); } } } static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) { struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); struct cx8800_fh *fh = q->priv_data; cx88_free_buffer(fh->dev->pci,buf); } static struct videobuf_queue_ops cx8800_video_qops = { .buf_setup = buffer_setup, .buf_prepare = buffer_prepare, .buf_queue = buffer_queue, .buf_release = buffer_release, }; /* ------------------------------------------------------------------ */ /* ------------------------------------------------------------------ */ static struct videobuf_queue* get_queue(struct cx8800_fh *fh) { switch (fh->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: return &fh->vidq; case V4L2_BUF_TYPE_VBI_CAPTURE: return &fh->vbiq; default: BUG(); return NULL; } } static int get_ressource(struct cx8800_fh *fh) { switch (fh->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: return RESOURCE_VIDEO; case V4L2_BUF_TYPE_VBI_CAPTURE: return RESOURCE_VBI; default: BUG(); return 0; } } static int video_open(struct inode *inode, struct file *file) { int minor = iminor(inode); struct cx8800_dev *h,*dev = NULL; struct cx88_core *core; struct cx8800_fh *fh; struct list_head *list; enum v4l2_buf_type type = 0; int radio = 0; list_for_each(list,&cx8800_devlist) { h = list_entry(list, struct cx8800_dev, devlist); if (h->video_dev->minor == minor) { dev = h; type = V4L2_BUF_TYPE_VIDEO_CAPTURE; } if (h->vbi_dev->minor == minor) { dev = h; type = V4L2_BUF_TYPE_VBI_CAPTURE; } if (h->radio_dev && h->radio_dev->minor == minor) { radio = 1; dev = h; } } if (NULL == dev) return -ENODEV; core = dev->core; dprintk(1,"open minor=%d radio=%d type=%s\n", minor,radio,v4l2_type_names[type]); /* allocate + initialize per filehandle data */ fh = kmalloc(sizeof(*fh),GFP_KERNEL); if (NULL == fh) return -ENOMEM; memset(fh,0,sizeof(*fh)); file->private_data = fh; fh->dev = dev; fh->radio = radio; fh->type = type; fh->width = 320; fh->height = 240; fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); videobuf_queue_init(&fh->vidq, &cx8800_video_qops, dev->pci, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, sizeof(struct cx88_buffer), fh); videobuf_queue_init(&fh->vbiq, &cx8800_vbi_qops, dev->pci, &dev->slock, V4L2_BUF_TYPE_VBI_CAPTURE, V4L2_FIELD_SEQ_TB, sizeof(struct cx88_buffer), fh); if (fh->radio) { int board = core->board; dprintk(1,"video_open: setting radio device\n"); cx_write(MO_GP3_IO, cx88_boards[board].radio.gpio3); cx_write(MO_GP0_IO, cx88_boards[board].radio.gpio0); cx_write(MO_GP1_IO, cx88_boards[board].radio.gpio1); cx_write(MO_GP2_IO, cx88_boards[board].radio.gpio2); core->tvaudio = WW_FM; cx88_set_tvaudio(core); cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1); cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL); } return 0; } static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) { struct cx8800_fh *fh = file->private_data; switch (fh->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: if (res_locked(fh->dev,RESOURCE_VIDEO)) return -EBUSY; return videobuf_read_one(&fh->vidq, data, count, ppos, file->f_flags & O_NONBLOCK); case V4L2_BUF_TYPE_VBI_CAPTURE: if (!res_get(fh->dev,fh,RESOURCE_VBI)) return -EBUSY; return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, file->f_flags & O_NONBLOCK); default: BUG(); return 0; } } static unsigned int video_poll(struct file *file, struct poll_table_struct *wait) { struct cx8800_fh *fh = file->private_data; struct cx88_buffer *buf; if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { if (!res_get(fh->dev,fh,RESOURCE_VBI)) return POLLERR; return videobuf_poll_stream(file, &fh->vbiq, wait); } if (res_check(fh,RESOURCE_VIDEO)) { /* streaming capture */ if (list_empty(&fh->vidq.stream)) return POLLERR; buf = list_entry(fh->vidq.stream.next,struct cx88_buffer,vb.stream); } else { /* read() capture */ buf = (struct cx88_buffer*)fh->vidq.read_buf; if (NULL == buf) return POLLERR; } poll_wait(file, &buf->vb.done, wait); if (buf->vb.state == STATE_DONE || buf->vb.state == STATE_ERROR) return POLLIN|POLLRDNORM; return 0; } static int video_release(struct inode *inode, struct file *file) { struct cx8800_fh *fh = file->private_data; struct cx8800_dev *dev = fh->dev; /* turn off overlay */ if (res_check(fh, RESOURCE_OVERLAY)) { /* FIXME */ res_free(dev,fh,RESOURCE_OVERLAY); } /* stop video capture */ if (res_check(fh, RESOURCE_VIDEO)) { videobuf_queue_cancel(&fh->vidq); res_free(dev,fh,RESOURCE_VIDEO); } if (fh->vidq.read_buf) { buffer_release(&fh->vidq,fh->vidq.read_buf); kfree(fh->vidq.read_buf); } /* stop vbi capture */ if (res_check(fh, RESOURCE_VBI)) { if (fh->vbiq.streaming) videobuf_streamoff(&fh->vbiq); if (fh->vbiq.reading) videobuf_read_stop(&fh->vbiq); res_free(dev,fh,RESOURCE_VBI); } videobuf_mmap_free(&fh->vidq); videobuf_mmap_free(&fh->vbiq); file->private_data = NULL; kfree(fh); cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL); return 0; } static int video_mmap(struct file *file, struct vm_area_struct * vma) { struct cx8800_fh *fh = file->private_data; return videobuf_mmap_mapper(get_queue(fh), vma); } /* ------------------------------------------------------------------ */ /* static int get_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */ static int get_control(struct cx88_core *core, struct v4l2_control *ctl) { /* struct cx88_core *core = dev->core; */ struct cx88_ctrl *c = NULL; u32 value; int i; for (i = 0; i < CX8800_CTLS; i++) if (cx8800_ctls[i].v.id == ctl->id) c = &cx8800_ctls[i]; if (NULL == c) return -EINVAL; value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg); switch (ctl->id) { case V4L2_CID_AUDIO_BALANCE: ctl->value = (value & 0x40) ? (value & 0x3f) : (0x40 - (value & 0x3f)); break; case V4L2_CID_AUDIO_VOLUME: ctl->value = 0x3f - (value & 0x3f); break; default: ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift; break; } return 0; } /* static int set_control(struct cx8800_dev *dev, struct v4l2_control *ctl) */ static int set_control(struct cx88_core *core, struct v4l2_control *ctl) { /* struct cx88_core *core = dev->core; */ struct cx88_ctrl *c = NULL; u32 v_sat_value; u32 value; int i; for (i = 0; i < CX8800_CTLS; i++) if (cx8800_ctls[i].v.id == ctl->id) c = &cx8800_ctls[i]; if (NULL == c) return -EINVAL; if (ctl->value < c->v.minimum) ctl->value = c->v.minimum; if (ctl->value > c->v.maximum) ctl->value = c->v.maximum; switch (ctl->id) { case V4L2_CID_AUDIO_BALANCE: value = (ctl->value < 0x40) ? (0x40 - ctl->value) : ctl->value; break; case V4L2_CID_AUDIO_VOLUME: value = 0x3f - (ctl->value & 0x3f); break; case V4L2_CID_SATURATION: /* special v_sat handling */ v_sat_value = ctl->value - (0x7f - 0x5a); if (v_sat_value > 0xff) v_sat_value = 0xff; if (v_sat_value < 0x00) v_sat_value = 0x00; cx_andor(MO_UV_SATURATION, 0xff00, v_sat_value << 8); /* fall through to default route for u_sat */ default: value = ((ctl->value - c->off) << c->shift) & c->mask; break; } dprintk(1,"set_control id=0x%X reg=0x%x val=0x%x%s\n", ctl->id, c->reg, value, c->sreg ? " [shadowed]" : ""); if (c->sreg) { cx_sandor(c->sreg, c->reg, c->mask, value); } else { cx_andor(c->reg, c->mask, value); } return 0; } /* static void init_controls(struct cx8800_dev *dev) */ static void init_controls(struct cx88_core *core) { static struct v4l2_control mute = { .id = V4L2_CID_AUDIO_MUTE, .value = 1, }; static struct v4l2_control volume = { .id = V4L2_CID_AUDIO_VOLUME, .value = 0x3f, }; static struct v4l2_control hue = { .id = V4L2_CID_HUE, .value = 0x80, }; static struct v4l2_control contrast = { .id = V4L2_CID_CONTRAST, .value = 0x80, }; static struct v4l2_control brightness = { .id = V4L2_CID_BRIGHTNESS, .value = 0x80, }; set_control(core,&mute); set_control(core,&volume); set_control(core,&hue); set_control(core,&contrast); set_control(core,&brightness); } /* ------------------------------------------------------------------ */ static int cx8800_g_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh, struct v4l2_format *f) { switch (f->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: memset(&f->fmt.pix,0,sizeof(f->fmt.pix)); f->fmt.pix.width = fh->width; f->fmt.pix.height = fh->height; f->fmt.pix.field = fh->vidq.field; f->fmt.pix.pixelformat = fh->fmt->fourcc; f->fmt.pix.bytesperline = (f->fmt.pix.width * fh->fmt->depth) >> 3; f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; return 0; case V4L2_BUF_TYPE_VBI_CAPTURE: cx8800_vbi_fmt(dev, f); return 0; default: return -EINVAL; } } static int cx8800_try_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh, struct v4l2_format *f) { struct cx88_core *core = dev->core; switch (f->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: { struct cx8800_fmt *fmt; enum v4l2_field field; unsigned int maxw, maxh; fmt = format_by_fourcc(f->fmt.pix.pixelformat); if (NULL == fmt) return -EINVAL; field = f->fmt.pix.field; maxw = norm_maxw(core->tvnorm); maxh = norm_maxh(core->tvnorm); if (V4L2_FIELD_ANY == field) { field = (f->fmt.pix.height > maxh/2) ? V4L2_FIELD_INTERLACED : V4L2_FIELD_BOTTOM; } switch (field) { case V4L2_FIELD_TOP: case V4L2_FIELD_BOTTOM: maxh = maxh / 2; break; case V4L2_FIELD_INTERLACED: break; default: return -EINVAL; } f->fmt.pix.field = field; if (f->fmt.pix.height < 32) f->fmt.pix.height = 32; if (f->fmt.pix.height > maxh) f->fmt.pix.height = maxh; if (f->fmt.pix.width < 48) f->fmt.pix.width = 48; if (f->fmt.pix.width > maxw) f->fmt.pix.width = maxw; f->fmt.pix.width &= ~0x03; f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3; f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; return 0; } case V4L2_BUF_TYPE_VBI_CAPTURE: cx8800_vbi_fmt(dev, f); return 0; default: return -EINVAL; } } static int cx8800_s_fmt(struct cx8800_dev *dev, struct cx8800_fh *fh, struct v4l2_format *f) { int err; switch (f->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: err = cx8800_try_fmt(dev,fh,f); if (0 != err) return err; fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); fh->width = f->fmt.pix.width; fh->height = f->fmt.pix.height; fh->vidq.field = f->fmt.pix.field; return 0; case V4L2_BUF_TYPE_VBI_CAPTURE: cx8800_vbi_fmt(dev, f); return 0; default: return -EINVAL; } } /* * This function is _not_ called directly, but from * video_generic_ioctl (and maybe others). userspace * copying is done already, arg is a kernel pointer. */ static int video_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg) { struct cx8800_fh *fh = file->private_data; struct cx8800_dev *dev = fh->dev; struct cx88_core *core = dev->core; int err; if (video_debug > 1) cx88_print_ioctl(core->name,cmd); switch (cmd) { /* --- capabilities ------------------------------------------ */ case VIDIOC_QUERYCAP: { struct v4l2_capability *cap = arg; memset(cap,0,sizeof(*cap)); strcpy(cap->driver, "cx8800"); strlcpy(cap->card, cx88_boards[core->board].name, sizeof(cap->card)); sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci)); cap->version = CX88_VERSION_CODE; cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_OVERLAY | 0; if (UNSET != core->tuner_type) cap->capabilities |= V4L2_CAP_TUNER; return 0; } /* --- capture ioctls ---------------------------------------- */ case VIDIOC_ENUM_FMT: { struct v4l2_fmtdesc *f = arg; enum v4l2_buf_type type; unsigned int index; index = f->index; type = f->type; switch (type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: if (index >= ARRAY_SIZE(formats)) return -EINVAL; memset(f,0,sizeof(*f)); f->index = index; f->type = type; strlcpy(f->description,formats[index].name,sizeof(f->description)); f->pixelformat = formats[index].fourcc; break; default: return -EINVAL; } return 0; } case VIDIOC_G_FMT: { struct v4l2_format *f = arg; return cx8800_g_fmt(dev,fh,f); } case VIDIOC_S_FMT: { struct v4l2_format *f = arg; return cx8800_s_fmt(dev,fh,f); } case VIDIOC_TRY_FMT: { struct v4l2_format *f = arg; return cx8800_try_fmt(dev,fh,f); } #ifdef HAVE_V4L1 /* --- streaming capture ------------------------------------- */ case VIDIOCGMBUF: { struct video_mbuf *mbuf = arg; struct videobuf_queue *q; struct v4l2_requestbuffers req; unsigned int i; q = get_queue(fh); memset(&req,0,sizeof(req)); req.type = q->type; req.count = 8; req.memory = V4L2_MEMORY_MMAP; err = videobuf_reqbufs(q,&req); if (err < 0) return err; memset(mbuf,0,sizeof(*mbuf)); mbuf->frames = req.count; mbuf->size = 0; for (i = 0; i < mbuf->frames; i++) { mbuf->offsets[i] = q->bufs[i]->boff; mbuf->size += q->bufs[i]->bsize; } return 0; } #endif case VIDIOC_REQBUFS: return videobuf_reqbufs(get_queue(fh), arg); case VIDIOC_QUERYBUF: return videobuf_querybuf(get_queue(fh), arg); case VIDIOC_QBUF: return videobuf_qbuf(get_queue(fh), arg); case VIDIOC_DQBUF: return videobuf_dqbuf(get_queue(fh), arg, file->f_flags & O_NONBLOCK); case VIDIOC_STREAMON: { int res = get_ressource(fh); if (!res_get(dev,fh,res)) return -EBUSY; return videobuf_streamon(get_queue(fh)); } case VIDIOC_STREAMOFF: { int res = get_ressource(fh); err = videobuf_streamoff(get_queue(fh)); if (err < 0) return err; res_free(dev,fh,res); return 0; } default: return cx88_do_ioctl( inode, file, fh->radio, core, cmd, arg, video_do_ioctl ); } return 0; } int cx88_do_ioctl(struct inode *inode, struct file *file, int radio, struct cx88_core *core, unsigned int cmd, void *arg, v4l2_kioctl driver_ioctl) { int err; dprintk( 1, "CORE IOCTL: 0x%x\n", cmd ); if (video_debug > 1) cx88_print_ioctl(core->name,cmd); switch (cmd) { /* ---------- tv norms ---------- */ case VIDIOC_ENUMSTD: { struct v4l2_standard *e = arg; unsigned int i; i = e->index; if (i >= ARRAY_SIZE(tvnorms)) return -EINVAL; err = v4l2_video_std_construct(e, tvnorms[e->index].id, tvnorms[e->index].name); e->index = i; if (err < 0) return err; return 0; } case VIDIOC_G_STD: { v4l2_std_id *id = arg; *id = core->tvnorm->id; return 0; } case VIDIOC_S_STD: { v4l2_std_id *id = arg; unsigned int i; for(i = 0; i < ARRAY_SIZE(tvnorms); i++) if (*id & tvnorms[i].id) break; if (i == ARRAY_SIZE(tvnorms)) return -EINVAL; down(&core->lock); cx88_set_tvnorm(core,&tvnorms[i]); up(&core->lock); return 0; } /* ------ input switching ---------- */ case VIDIOC_ENUMINPUT: { static const char *iname[] = { [ CX88_VMUX_COMPOSITE1 ] = "Composite1", [ CX88_VMUX_COMPOSITE2 ] = "Composite2", [ CX88_VMUX_COMPOSITE3 ] = "Composite3", [ CX88_VMUX_COMPOSITE4 ] = "Composite4", [ CX88_VMUX_SVIDEO ] = "S-Video", [ CX88_VMUX_TELEVISION ] = "Television", [ CX88_VMUX_CABLE ] = "Cable TV", [ CX88_VMUX_DVB ] = "DVB", [ CX88_VMUX_DEBUG ] = "for debug only", }; struct v4l2_input *i = arg; unsigned int n; n = i->index; if (n >= 4) return -EINVAL; if (0 == INPUT(n)->type) return -EINVAL; memset(i,0,sizeof(*i)); i->index = n; i->type = V4L2_INPUT_TYPE_CAMERA; strcpy(i->name,iname[INPUT(n)->type]); if ((CX88_VMUX_TELEVISION == INPUT(n)->type) || (CX88_VMUX_CABLE == INPUT(n)->type)) i->type = V4L2_INPUT_TYPE_TUNER; for (n = 0; n < ARRAY_SIZE(tvnorms); n++) i->std |= tvnorms[n].id; return 0; } case VIDIOC_G_INPUT: { unsigned int *i = arg; *i = core->input; return 0; } case VIDIOC_S_INPUT: { unsigned int *i = arg; if (*i >= 4) return -EINVAL; down(&core->lock); cx88_newstation(core); video_mux(core,*i); up(&core->lock); return 0; } /* --- controls ---------------------------------------------- */ case VIDIOC_QUERYCTRL: { struct v4l2_queryctrl *c = arg; int i; if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1) return -EINVAL; for (i = 0; i < CX8800_CTLS; i++) if (cx8800_ctls[i].v.id == c->id) break; if (i == CX8800_CTLS) { *c = no_ctl; return 0; } *c = cx8800_ctls[i].v; return 0; } case VIDIOC_G_CTRL: return get_control(core,arg); case VIDIOC_S_CTRL: return set_control(core,arg); /* --- tuner ioctls ------------------------------------------ */ case VIDIOC_G_TUNER: { struct v4l2_tuner *t = arg; u32 reg; if (UNSET == core->tuner_type) return -EINVAL; if (0 != t->index) return -EINVAL; memset(t,0,sizeof(*t)); strcpy(t->name, "Television"); t->type = V4L2_TUNER_ANALOG_TV; t->capability = V4L2_TUNER_CAP_NORM; t->rangehigh = 0xffffffffUL; cx88_get_stereo(core ,t); reg = cx_read(MO_DEVICE_STATUS); t->signal = (reg & (1<<5)) ? 0xffff : 0x0000; return 0; } case VIDIOC_S_TUNER: { struct v4l2_tuner *t = arg; if (UNSET == core->tuner_type) return -EINVAL; if (0 != t->index) return -EINVAL; cx88_set_stereo(core, t->audmode, 1); return 0; } case VIDIOC_G_FREQUENCY: { struct v4l2_frequency *f = arg; memset(f,0,sizeof(*f)); if (UNSET == core->tuner_type) return -EINVAL; /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ f->type = radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; f->frequency = core->freq; cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f); return 0; } case VIDIOC_S_FREQUENCY: { struct v4l2_frequency *f = arg; if (UNSET == core->tuner_type) return -EINVAL; if (f->tuner != 0) return -EINVAL; if (0 == radio && f->type != V4L2_TUNER_ANALOG_TV) return -EINVAL; if (1 == radio && f->type != V4L2_TUNER_RADIO) return -EINVAL; down(&core->lock); core->freq = f->frequency; cx88_newstation(core); cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f); /* When changing channels it is required to reset TVAUDIO */ msleep (10); cx88_set_tvaudio(core); up(&core->lock); return 0; } default: return v4l_compat_translate_ioctl(inode,file,cmd,arg, driver_ioctl); } return 0; } static int video_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { return video_usercopy(inode, file, cmd, arg, video_do_ioctl); } /* ----------------------------------------------------------- */ static int radio_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg) { struct cx8800_fh *fh = file->private_data; struct cx8800_dev *dev = fh->dev; struct cx88_core *core = dev->core; if (video_debug > 1) cx88_print_ioctl(core->name,cmd); switch (cmd) { case VIDIOC_QUERYCAP: { struct v4l2_capability *cap = arg; memset(cap,0,sizeof(*cap)); strcpy(cap->driver, "cx8800"); strlcpy(cap->card, cx88_boards[core->board].name, sizeof(cap->card)); sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci)); cap->version = CX88_VERSION_CODE; cap->capabilities = V4L2_CAP_TUNER; return 0; } case VIDIOC_G_TUNER: { struct v4l2_tuner *t = arg; if (t->index > 0) return -EINVAL; memset(t,0,sizeof(*t)); strcpy(t->name, "Radio"); cx88_call_i2c_clients(core,VIDIOC_G_TUNER,t); return 0; } case VIDIOC_ENUMINPUT: { struct v4l2_input *i = arg; if (i->index != 0) return -EINVAL; strcpy(i->name,"Radio"); i->type = V4L2_INPUT_TYPE_TUNER; return 0; } case VIDIOC_G_INPUT: { int *i = arg; *i = 0; return 0; } case VIDIOC_G_AUDIO: { struct v4l2_audio *a = arg; memset(a,0,sizeof(*a)); strcpy(a->name,"Radio"); return 0; } case VIDIOC_G_STD: { v4l2_std_id *id = arg; *id = 0; return 0; } #ifdef HAVE_V4L1 case VIDIOCSTUNER: { struct video_tuner *v = arg; if (v->tuner) /* Only tuner 0 */ return -EINVAL; cx88_call_i2c_clients(core,VIDIOCSTUNER,v); return 0; } #endif case VIDIOC_S_TUNER: { struct v4l2_tuner *t = arg; if (0 != t->index) return -EINVAL; cx88_call_i2c_clients(core,VIDIOC_S_TUNER,t); return 0; } case VIDIOC_S_AUDIO: case VIDIOC_S_INPUT: case VIDIOC_S_STD: return 0; case VIDIOC_QUERYCTRL: { struct v4l2_queryctrl *c = arg; int i; if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1) return -EINVAL; if (c->id == V4L2_CID_AUDIO_MUTE) { for (i = 0; i < CX8800_CTLS; i++) if (cx8800_ctls[i].v.id == c->id) break; *c = cx8800_ctls[i].v; } else *c = no_ctl; return 0; } case VIDIOC_G_CTRL: case VIDIOC_S_CTRL: case VIDIOC_G_FREQUENCY: case VIDIOC_S_FREQUENCY: return video_do_ioctl(inode,file,cmd,arg); default: return v4l_compat_translate_ioctl(inode,file,cmd,arg, radio_do_ioctl); } return 0; }; static int radio_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { return video_usercopy(inode, file, cmd, arg, radio_do_ioctl); }; /* ----------------------------------------------------------- */ static void cx8800_vid_timeout(unsigned long data) { struct cx8800_dev *dev = (struct cx8800_dev*)data; struct cx88_core *core = dev->core; struct cx88_dmaqueue *q = &dev->vidq; struct cx88_buffer *buf; unsigned long flags; cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]); cx_clear(MO_VID_DMACNTRL, 0x11); cx_clear(VID_CAPTURE_CONTROL, 0x06); spin_lock_irqsave(&dev->slock,flags); while (!list_empty(&q->active)) { buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); list_del(&buf->vb.queue); buf->vb.state = STATE_ERROR; wake_up(&buf->vb.done); printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", core->name, buf, buf->vb.i, (unsigned long)buf->risc.dma); } restart_video_queue(dev,q); spin_unlock_irqrestore(&dev->slock,flags); } static char *cx88_vid_irqs[32] = { "y_risci1", "u_risci1", "v_risci1", "vbi_risc1", "y_risci2", "u_risci2", "v_risci2", "vbi_risc2", "y_oflow", "u_oflow", "v_oflow", "vbi_oflow", "y_sync", "u_sync", "v_sync", "vbi_sync", "opc_err", "par_err", "rip_err", "pci_abort", }; static void cx8800_vid_irq(struct cx8800_dev *dev) { struct cx88_core *core = dev->core; u32 status, mask, count; status = cx_read(MO_VID_INTSTAT); mask = cx_read(MO_VID_INTMSK); if (0 == (status & mask)) return; cx_write(MO_VID_INTSTAT, status); if (irq_debug || (status & mask & ~0xff)) cx88_print_irqbits(core->name, "irq vid", cx88_vid_irqs, status, mask); /* risc op code error */ if (status & (1 << 16)) { printk(KERN_WARNING "%s/0: video risc op code error\n",core->name); cx_clear(MO_VID_DMACNTRL, 0x11); cx_clear(VID_CAPTURE_CONTROL, 0x06); cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]); } /* risc1 y */ if (status & 0x01) { spin_lock(&dev->slock); count = cx_read(MO_VIDY_GPCNT); cx88_wakeup(core, &dev->vidq, count); spin_unlock(&dev->slock); } /* risc1 vbi */ if (status & 0x08) { spin_lock(&dev->slock); count = cx_read(MO_VBI_GPCNT); cx88_wakeup(core, &dev->vbiq, count); spin_unlock(&dev->slock); } /* risc2 y */ if (status & 0x10) { dprintk(2,"stopper video\n"); spin_lock(&dev->slock); restart_video_queue(dev,&dev->vidq); spin_unlock(&dev->slock); } /* risc2 vbi */ if (status & 0x80) { dprintk(2,"stopper vbi\n"); spin_lock(&dev->slock); cx8800_restart_vbi_queue(dev,&dev->vbiq); spin_unlock(&dev->slock); } } static irqreturn_t cx8800_irq(int irq, void *dev_id, struct pt_regs *regs) { struct cx8800_dev *dev = dev_id; struct cx88_core *core = dev->core; u32 status; int loop, handled = 0; for (loop = 0; loop < 10; loop++) { status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x01); if (0 == status) goto out; cx_write(MO_PCI_INTSTAT, status); handled = 1; if (status & core->pci_irqmask) cx88_core_irq(core,status); if (status & 0x01) cx8800_vid_irq(dev); }; if (10 == loop) { printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", core->name); cx_write(MO_PCI_INTMSK,0); } out: return IRQ_RETVAL(handled); } /* ----------------------------------------------------------- */ /* exported stuff */ static struct file_operations video_fops = { .owner = THIS_MODULE, .open = video_open, .release = video_release, .read = video_read, .poll = video_poll, .mmap = video_mmap, .ioctl = video_ioctl, .llseek = no_llseek, }; static struct video_device cx8800_video_template = { .name = "cx8800-video", .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES, .hardware = 0, .fops = &video_fops, .minor = -1, }; static struct video_device cx8800_vbi_template = { .name = "cx8800-vbi", .type = VID_TYPE_TELETEXT|VID_TYPE_TUNER, .hardware = 0, .fops = &video_fops, .minor = -1, }; static struct file_operations radio_fops = { .owner = THIS_MODULE, .open = video_open, .release = video_release, .ioctl = radio_ioctl, .llseek = no_llseek, }; static struct video_device cx8800_radio_template = { .name = "cx8800-radio", .type = VID_TYPE_TUNER, .hardware = 0, .fops = &radio_fops, .minor = -1, }; /* ----------------------------------------------------------- */ static void cx8800_unregister_video(struct cx8800_dev *dev) { if (dev->radio_dev) { if (-1 != dev->radio_dev->minor) video_unregister_device(dev->radio_dev); else video_device_release(dev->radio_dev); dev->radio_dev = NULL; } if (dev->vbi_dev) { if (-1 != dev->vbi_dev->minor) video_unregister_device(dev->vbi_dev); else video_device_release(dev->vbi_dev); dev->vbi_dev = NULL; } if (dev->video_dev) { if (-1 != dev->video_dev->minor) video_unregister_device(dev->video_dev); else video_device_release(dev->video_dev); dev->video_dev = NULL; } } static int __devinit cx8800_initdev(struct pci_dev *pci_dev, const struct pci_device_id *pci_id) { struct cx8800_dev *dev; struct cx88_core *core; int err; dev = kmalloc(sizeof(*dev),GFP_KERNEL); if (NULL == dev) return -ENOMEM; memset(dev,0,sizeof(*dev)); /* pci init */ dev->pci = pci_dev; if (pci_enable_device(pci_dev)) { err = -EIO; goto fail_free; } core = cx88_core_get(dev->pci); if (NULL == core) { err = -EINVAL; goto fail_free; } dev->core = core; /* print pci info */ pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev); pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " "latency: %d, mmio: 0x%lx\n", core->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq, dev->pci_lat,pci_resource_start(pci_dev,0)); pci_set_master(pci_dev); if (!pci_dma_supported(pci_dev,0xffffffff)) { printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name); err = -EIO; goto fail_core; } /* initialize driver struct */ spin_lock_init(&dev->slock); core->tvnorm = tvnorms; /* init video dma queues */ INIT_LIST_HEAD(&dev->vidq.active); INIT_LIST_HEAD(&dev->vidq.queued); dev->vidq.timeout.function = cx8800_vid_timeout; dev->vidq.timeout.data = (unsigned long)dev; init_timer(&dev->vidq.timeout); cx88_risc_stopper(dev->pci,&dev->vidq.stopper, MO_VID_DMACNTRL,0x11,0x00); /* init vbi dma queues */ INIT_LIST_HEAD(&dev->vbiq.active); INIT_LIST_HEAD(&dev->vbiq.queued); dev->vbiq.timeout.function = cx8800_vbi_timeout; dev->vbiq.timeout.data = (unsigned long)dev; init_timer(&dev->vbiq.timeout); cx88_risc_stopper(dev->pci,&dev->vbiq.stopper, MO_VID_DMACNTRL,0x88,0x00); /* get irq */ err = request_irq(pci_dev->irq, cx8800_irq, SA_SHIRQ | SA_INTERRUPT, core->name, dev); if (err < 0) { printk(KERN_ERR "%s: can't get IRQ %d\n", core->name,pci_dev->irq); goto fail_core; } cx_set(MO_PCI_INTMSK, core->pci_irqmask); /* load and configure helper modules */ if (TUNER_ABSENT != core->tuner_type) request_module("tuner"); if (core->tda9887_conf) request_module("tda9887"); /* register v4l devices */ dev->video_dev = cx88_vdev_init(core,dev->pci, &cx8800_video_template,"video"); err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, video_nr[core->nr]); if (err < 0) { printk(KERN_INFO "%s: can't register video device\n", core->name); goto fail_unreg; } printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n", core->name,dev->video_dev->minor & 0x1f); dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi"); err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, vbi_nr[core->nr]); if (err < 0) { printk(KERN_INFO "%s/0: can't register vbi device\n", core->name); goto fail_unreg; } printk(KERN_INFO "%s/0: registered device vbi%d\n", core->name,dev->vbi_dev->minor & 0x1f); if (core->has_radio) { dev->radio_dev = cx88_vdev_init(core,dev->pci, &cx8800_radio_template,"radio"); err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, radio_nr[core->nr]); if (err < 0) { printk(KERN_INFO "%s/0: can't register radio device\n", core->name); goto fail_unreg; } printk(KERN_INFO "%s/0: registered device radio%d\n", core->name,dev->radio_dev->minor & 0x1f); } /* everything worked */ list_add_tail(&dev->devlist,&cx8800_devlist); pci_set_drvdata(pci_dev,dev); /* initial device configuration */ down(&core->lock); init_controls(core); cx88_set_tvnorm(core,tvnorms); video_mux(core,0); up(&core->lock); /* start tvaudio thread */ if (core->tuner_type != TUNER_ABSENT) core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio"); return 0; fail_unreg: cx8800_unregister_video(dev); free_irq(pci_dev->irq, dev); fail_core: cx88_core_put(core,dev->pci); fail_free: kfree(dev); return err; } static void __devexit cx8800_finidev(struct pci_dev *pci_dev) { struct cx8800_dev *dev = pci_get_drvdata(pci_dev); struct cx88_core *core = dev->core; /* stop thread */ if (core->kthread) { kthread_stop(core->kthread); core->kthread = NULL; } cx88_shutdown(core); /* FIXME */ pci_disable_device(pci_dev); /* unregister stuff */ free_irq(pci_dev->irq, dev); cx8800_unregister_video(dev); pci_set_drvdata(pci_dev, NULL); /* free memory */ btcx_riscmem_free(dev->pci,&dev->vidq.stopper); list_del(&dev->devlist); cx88_core_put(core,dev->pci); kfree(dev); } static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state) { struct cx8800_dev *dev = pci_get_drvdata(pci_dev); struct cx88_core *core = dev->core; /* stop video+vbi capture */ spin_lock(&dev->slock); if (!list_empty(&dev->vidq.active)) { printk("%s: suspend video\n", core->name); stop_video_dma(dev); del_timer(&dev->vidq.timeout); } if (!list_empty(&dev->vbiq.active)) { printk("%s: suspend vbi\n", core->name); cx8800_stop_vbi_dma(dev); del_timer(&dev->vbiq.timeout); } spin_unlock(&dev->slock); /* FIXME -- shutdown device */ cx88_shutdown(core); pci_save_state(pci_dev); if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { pci_disable_device(pci_dev); dev->state.disabled = 1; } return 0; } static int cx8800_resume(struct pci_dev *pci_dev) { struct cx8800_dev *dev = pci_get_drvdata(pci_dev); struct cx88_core *core = dev->core; int err; if (dev->state.disabled) { err=pci_enable_device(pci_dev); if (err) { printk(KERN_ERR "%s: can't enable device\n", core->name); return err; } dev->state.disabled = 0; } err= pci_set_power_state(pci_dev, PCI_D0); if (err) { printk(KERN_ERR "%s: can't enable device\n", core->name); pci_disable_device(pci_dev); dev->state.disabled = 1; return err; } pci_restore_state(pci_dev); /* FIXME: re-initialize hardware */ cx88_reset(core); /* restart video+vbi capture */ spin_lock(&dev->slock); if (!list_empty(&dev->vidq.active)) { printk("%s: resume video\n", core->name); restart_video_queue(dev,&dev->vidq); } if (!list_empty(&dev->vbiq.active)) { printk("%s: resume vbi\n", core->name); cx8800_restart_vbi_queue(dev,&dev->vbiq); } spin_unlock(&dev->slock); return 0; } /* ----------------------------------------------------------- */ static struct pci_device_id cx8800_pci_tbl[] = { { .vendor = 0x14f1, .device = 0x8800, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, },{ /* --- end of list --- */ } }; MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl); static struct pci_driver cx8800_pci_driver = { .name = "cx8800", .id_table = cx8800_pci_tbl, .probe = cx8800_initdev, .remove = __devexit_p(cx8800_finidev), .suspend = cx8800_suspend, .resume = cx8800_resume, }; static int cx8800_init(void) { printk(KERN_INFO "cx2388x v4l2 driver version %d.%d.%d loaded\n", (CX88_VERSION_CODE >> 16) & 0xff, (CX88_VERSION_CODE >> 8) & 0xff, CX88_VERSION_CODE & 0xff); #ifdef SNAPSHOT printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); #endif return pci_register_driver(&cx8800_pci_driver); } static void cx8800_fini(void) { pci_unregister_driver(&cx8800_pci_driver); } module_init(cx8800_init); module_exit(cx8800_fini); EXPORT_SYMBOL(cx88_do_ioctl); /* ----------------------------------------------------------- */ /* * Local variables: * c-basic-offset: 8 * End: * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off */