diff options
Diffstat (limited to 'drivers/media/video/cx231xx/cx231xx-video.c')
| -rw-r--r-- | drivers/media/video/cx231xx/cx231xx-video.c | 2434 |
1 files changed, 2434 insertions, 0 deletions
diff --git a/drivers/media/video/cx231xx/cx231xx-video.c b/drivers/media/video/cx231xx/cx231xx-video.c new file mode 100644 index 0000000..a23ae73 --- /dev/null +++ b/drivers/media/video/cx231xx/cx231xx-video.c @@ -0,0 +1,2434 @@ +/* + cx231xx-video.c - driver for Conexant Cx23100/101/102 + USB video capture devices + + Copyright (C) 2008 <srinivasa.deevi at conexant dot com> + Based on em28xx driver + Based on cx23885 driver + Based on cx88 driver + + 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 <linux/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/bitmap.h> +#include <linux/usb.h> +#include <linux/i2c.h> +#include <linux/version.h> +#include <linux/mm.h> +#include <linux/mutex.h> + +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include <media/v4l2-chip-ident.h> +#include <media/msp3400.h> +#include <media/tuner.h> + +#include "dvb_frontend.h" + +#include "cx231xx.h" +#include "cx231xx-vbi.h" + +#define CX231XX_VERSION_CODE KERNEL_VERSION(0, 0, 1) + +#define DRIVER_AUTHOR "Srinivasa Deevi <srinivasa.deevi@conexant.com>" +#define DRIVER_DESC "Conexant cx231xx based USB video device driver" + +#define cx231xx_videodbg(fmt, arg...) do {\ + if (video_debug) \ + printk(KERN_INFO "%s %s :"fmt, \ + dev->name, __func__ , ##arg); } while (0) + +static unsigned int isoc_debug; +module_param(isoc_debug, int, 0644); +MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); + +#define cx231xx_isocdbg(fmt, arg...) \ +do {\ + if (isoc_debug) { \ + printk(KERN_INFO "%s %s :"fmt, \ + dev->name, __func__ , ##arg); \ + } \ + } while (0) + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; +static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; +static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; +static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET }; + +module_param_array(card, int, NULL, 0444); +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(card, "card type"); +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; +module_param(video_debug, int, 0644); +MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); + +/* supported video standards */ +static struct cx231xx_fmt format[] = { + { + .name = "16bpp YUY2, 4:2:2, packed", + .fourcc = V4L2_PIX_FMT_YUYV, + .depth = 16, + .reg = 0, + }, +}; + +/* supported controls */ +/* Common to all boards */ + +/* ------------------------------------------------------------------- */ + +static const struct v4l2_queryctrl no_ctl = { + .name = "42", + .flags = V4L2_CTRL_FLAG_DISABLED, +}; + +static struct cx231xx_ctrl cx231xx_ctls[] = { + /* --- video --- */ + { + .v = { + .id = V4L2_CID_BRIGHTNESS, + .name = "Brightness", + .minimum = 0x00, + .maximum = 0xff, + .step = 1, + .default_value = 0x7f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 128, + .reg = LUMA_CTRL, + .mask = 0x00ff, + .shift = 0, + }, { + .v = { + .id = V4L2_CID_CONTRAST, + .name = "Contrast", + .minimum = 0, + .maximum = 0xff, + .step = 1, + .default_value = 0x3f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 0, + .reg = LUMA_CTRL, + .mask = 0xff00, + .shift = 8, + }, { + .v = { + .id = V4L2_CID_HUE, + .name = "Hue", + .minimum = 0, + .maximum = 0xff, + .step = 1, + .default_value = 0x7f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 128, + .reg = CHROMA_CTRL, + .mask = 0xff0000, + .shift = 16, + }, { + /* 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 = 0x7f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 0, + .reg = CHROMA_CTRL, + .mask = 0x00ff, + .shift = 0, + }, { + /* --- audio --- */ + .v = { + .id = V4L2_CID_AUDIO_MUTE, + .name = "Mute", + .minimum = 0, + .maximum = 1, + .default_value = 1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + }, + .reg = PATH1_CTL1, + .mask = (0x1f << 24), + .shift = 24, + }, { + .v = { + .id = V4L2_CID_AUDIO_VOLUME, + .name = "Volume", + .minimum = 0, + .maximum = 0x3f, + .step = 1, + .default_value = 0x3f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .reg = PATH1_VOL_CTL, + .mask = 0xff, + .shift = 0, + } +}; +static const int CX231XX_CTLS = ARRAY_SIZE(cx231xx_ctls); + +static const u32 cx231xx_user_ctrls[] = { + V4L2_CID_USER_CLASS, + V4L2_CID_BRIGHTNESS, + V4L2_CID_CONTRAST, + V4L2_CID_SATURATION, + V4L2_CID_HUE, + V4L2_CID_AUDIO_VOLUME, +#if 0 + V4L2_CID_AUDIO_BALANCE, +#endif + V4L2_CID_AUDIO_MUTE, + 0 +}; + +static const u32 *ctrl_classes[] = { + cx231xx_user_ctrls, + NULL +}; + +/* ------------------------------------------------------------------ + Video buffer and parser functions + ------------------------------------------------------------------*/ + +/* + * Announces that a buffer were filled and request the next + */ +static inline void buffer_filled(struct cx231xx *dev, + struct cx231xx_dmaqueue *dma_q, + struct cx231xx_buffer *buf) +{ + /* Advice that buffer was filled */ + cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); + buf->vb.state = VIDEOBUF_DONE; + buf->vb.field_count++; + do_gettimeofday(&buf->vb.ts); + + dev->video_mode.isoc_ctl.buf = NULL; + + list_del(&buf->vb.queue); + wake_up(&buf->vb.done); +} + +static inline void print_err_status(struct cx231xx *dev, int packet, int status) +{ + char *errmsg = "Unknown"; + + switch (status) { + case -ENOENT: + errmsg = "unlinked synchronuously"; + break; + case -ECONNRESET: + errmsg = "unlinked asynchronuously"; + break; + case -ENOSR: + errmsg = "Buffer error (overrun)"; + break; + case -EPIPE: + errmsg = "Stalled (device not responding)"; + break; + case -EOVERFLOW: + errmsg = "Babble (bad cable?)"; + break; + case -EPROTO: + errmsg = "Bit-stuff error (bad cable?)"; + break; + case -EILSEQ: + errmsg = "CRC/Timeout (could be anything)"; + break; + case -ETIME: + errmsg = "Device does not respond"; + break; + } + if (packet < 0) { + cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg); + } else { + cx231xx_isocdbg("URB packet %d, status %d [%s].\n", + packet, status, errmsg); + } +} + +/* + * video-buf generic routine to get the next available buffer + */ +static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q, + struct cx231xx_buffer **buf) +{ + struct cx231xx_video_mode *vmode = + container_of(dma_q, struct cx231xx_video_mode, vidq); + struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); + + char *outp; + + if (list_empty(&dma_q->active)) { + cx231xx_isocdbg("No active queue to serve\n"); + dev->video_mode.isoc_ctl.buf = NULL; + *buf = NULL; + return; + } + + /* Get the next buffer */ + *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue); + + /* Cleans up buffer - Usefull for testing for frame/URB loss */ + outp = videobuf_to_vmalloc(&(*buf)->vb); + memset(outp, 0, (*buf)->vb.size); + + dev->video_mode.isoc_ctl.buf = *buf; + + return; +} + +/* + * Controls the isoc copy of each urb packet + */ +static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb) +{ + struct cx231xx_buffer *buf; + struct cx231xx_dmaqueue *dma_q = urb->context; + unsigned char *outp = NULL; + int i, rc = 1; + unsigned char *p_buffer; + u32 bytes_parsed = 0, buffer_size = 0; + u8 sav_eav = 0; + + if (!dev) + return 0; + + if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) + return 0; + + if (urb->status < 0) { + print_err_status(dev, -1, urb->status); + if (urb->status == -ENOENT) + return 0; + } + + buf = dev->video_mode.isoc_ctl.buf; + if (buf != NULL) + outp = videobuf_to_vmalloc(&buf->vb); + + for (i = 0; i < urb->number_of_packets; i++) { + int status = urb->iso_frame_desc[i].status; + + if (status < 0) { + print_err_status(dev, i, status); + if (urb->iso_frame_desc[i].status != -EPROTO) + continue; + } + + if (urb->iso_frame_desc[i].actual_length <= 0) { + /* cx231xx_isocdbg("packet %d is empty",i); - spammy */ + continue; + } + if (urb->iso_frame_desc[i].actual_length > + dev->video_mode.max_pkt_size) { + cx231xx_isocdbg("packet bigger than packet size"); + continue; + } + + /* get buffer pointer and length */ + p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset; + buffer_size = urb->iso_frame_desc[i].actual_length; + bytes_parsed = 0; + + if (dma_q->is_partial_line) { + /* Handle the case of a partial line */ + sav_eav = dma_q->last_sav; + } else { + /* Check for a SAV/EAV overlapping + the buffer boundary */ + sav_eav = + cx231xx_find_boundary_SAV_EAV(p_buffer, + dma_q->partial_buf, + &bytes_parsed); + } + + sav_eav &= 0xF0; + /* Get the first line if we have some portion of an SAV/EAV from + the last buffer or a partial line */ + if (sav_eav) { + bytes_parsed += cx231xx_get_video_line(dev, dma_q, + sav_eav, /* SAV/EAV */ + p_buffer + bytes_parsed, /* p_buffer */ + buffer_size - bytes_parsed);/* buf size */ + } + + /* Now parse data that is completely in this buffer */ + /* dma_q->is_partial_line = 0; */ + + while (bytes_parsed < buffer_size) { + u32 bytes_used = 0; + + sav_eav = cx231xx_find_next_SAV_EAV( + p_buffer + bytes_parsed, /* p_buffer */ + buffer_size - bytes_parsed, /* buf size */ + &bytes_used);/* bytes used to get SAV/EAV */ + + bytes_parsed += bytes_used; + + sav_eav &= 0xF0; + if (sav_eav && (bytes_parsed < buffer_size)) { + bytes_parsed += cx231xx_get_video_line(dev, + dma_q, sav_eav, /* SAV/EAV */ + p_buffer + bytes_parsed,/* p_buffer */ + buffer_size - bytes_parsed);/*buf size*/ + } + } + + /* Save the last four bytes of the buffer so we can check the + buffer boundary condition next time */ + memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4); + bytes_parsed = 0; + + } + return rc; +} + +u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf, + u32 *p_bytes_used) +{ + u32 bytes_used; + u8 boundary_bytes[8]; + u8 sav_eav = 0; + + *p_bytes_used = 0; + + /* Create an array of the last 4 bytes of the last buffer and the first + 4 bytes of the current buffer. */ + + memcpy(boundary_bytes, partial_buf, 4); + memcpy(boundary_bytes + 4, p_buffer, 4); + + /* Check for the SAV/EAV in the boundary buffer */ + sav_eav = cx231xx_find_next_SAV_EAV((u8 *)&boundary_bytes, 8, + &bytes_used); + + if (sav_eav) { + /* found a boundary SAV/EAV. Updates the bytes used to reflect + only those used in the new buffer */ + *p_bytes_used = bytes_used - 4; + } + + return sav_eav; +} + +u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used) +{ + u32 i; + u8 sav_eav = 0; + + /* + * Don't search if the buffer size is less than 4. It causes a page + * fault since buffer_size - 4 evaluates to a large number in that + * case. + */ + if (buffer_size < 4) { + *p_bytes_used = buffer_size; + return 0; + } + + for (i = 0; i < (buffer_size - 3); i++) { + + if ((p_buffer[i] == 0xFF) && + (p_buffer[i + 1] == 0x00) && (p_buffer[i + 2] == 0x00)) { + + *p_bytes_used = i + 4; + sav_eav = p_buffer[i + 3]; + return sav_eav; + } + } + + *p_bytes_used = buffer_size; + return 0; +} + +u32 cx231xx_get_video_line(struct cx231xx *dev, + struct cx231xx_dmaqueue *dma_q, u8 sav_eav, + u8 *p_buffer, u32 buffer_size) +{ + u32 bytes_copied = 0; + int current_field = -1; + + switch (sav_eav) { + case SAV_ACTIVE_VIDEO_FIELD1: + /* looking for skipped line which occurred in PAL 720x480 mode. + In this case, there will be no active data contained + between the SAV and EAV */ + if ((buffer_size > 3) && (p_buffer[0] == 0xFF) && + (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) && + ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) || + (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) || + (p_buffer[3] == EAV_VBLANK_FIELD1) || + (p_buffer[3] == EAV_VBLANK_FIELD2))) + return bytes_copied; + current_field = 1; + break; + + case SAV_ACTIVE_VIDEO_FIELD2: + /* looking for skipped line which occurred in PAL 720x480 mode. + In this case, there will be no active data contained between + the SAV and EAV */ + if ((buffer_size > 3) && (p_buffer[0] == 0xFF) && + (p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) && + ((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) || + (p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) || + (p_buffer[3] == EAV_VBLANK_FIELD1) || + (p_buffer[3] == EAV_VBLANK_FIELD2))) + return bytes_copied; + current_field = 2; + break; + } + + dma_q->last_sav = sav_eav; + + bytes_copied = cx231xx_copy_video_line(dev, dma_q, p_buffer, + buffer_size, current_field); + + return bytes_copied; +} + +u32 cx231xx_copy_video_line(struct cx231xx *dev, + struct cx231xx_dmaqueue *dma_q, u8 *p_line, + u32 length, int field_number) +{ + u32 bytes_to_copy; + struct cx231xx_buffer *buf; + u32 _line_size = dev->width * 2; + + if (dma_q->current_field != field_number) + cx231xx_reset_video_buffer(dev, dma_q); + + /* get the buffer pointer */ + buf = dev->video_mode.isoc_ctl.buf; + + /* Remember the field number for next time */ + dma_q->current_field = field_number; + + bytes_to_copy = dma_q->bytes_left_in_line; + if (bytes_to_copy > length) + bytes_to_copy = length; + + if (dma_q->lines_completed >= dma_q->lines_per_field) { + dma_q->bytes_left_in_line -= bytes_to_copy; + dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ? + 0 : 1; + return 0; + } + + dma_q->is_partial_line = 1; + + /* If we don't have a buffer, just return the number of bytes we would + have copied if we had a buffer. */ + if (!buf) { + dma_q->bytes_left_in_line -= bytes_to_copy; + dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) + ? 0 : 1; + return bytes_to_copy; + } + + /* copy the data to video buffer */ + cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy); + + dma_q->pos += bytes_to_copy; + dma_q->bytes_left_in_line -= bytes_to_copy; + + if (dma_q->bytes_left_in_line == 0) { + dma_q->bytes_left_in_line = _line_size; + dma_q->lines_completed++; + dma_q->is_partial_line = 0; + + if (cx231xx_is_buffer_done(dev, dma_q) && buf) { + buffer_filled(dev, dma_q, buf); + + dma_q->pos = 0; + buf = NULL; + dma_q->lines_completed = 0; + } + } + + return bytes_to_copy; +} + +void cx231xx_reset_video_buffer(struct cx231xx *dev, + struct cx231xx_dmaqueue *dma_q) +{ + struct cx231xx_buffer *buf; + + /* handle the switch from field 1 to field 2 */ + if (dma_q->current_field == 1) { + if (dma_q->lines_completed >= dma_q->lines_per_field) + dma_q->field1_done = 1; + else + dma_q->field1_done = 0; + } + + buf = dev->video_mode.isoc_ctl.buf; + + if (buf == NULL) { + u8 *outp = NULL; + /* first try to get the buffer */ + get_next_buf(dma_q, &buf); + + if (buf) + outp = videobuf_to_vmalloc(&buf->vb); + + dma_q->pos = 0; + dma_q->field1_done = 0; + dma_q->current_field = -1; + } + + /* reset the counters */ + dma_q->bytes_left_in_line = dev->width << 1; + dma_q->lines_completed = 0; +} + +int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, + u8 *p_buffer, u32 bytes_to_copy) +{ + u8 *p_out_buffer = NULL; + u32 current_line_bytes_copied = 0; + struct cx231xx_buffer *buf; + u32 _line_size = dev->width << 1; + void *startwrite; + int offset, lencopy; + + buf = dev->video_mode.isoc_ctl.buf; + + if (buf == NULL) + return -1; + + p_out_buffer = videobuf_to_vmalloc(&buf->vb); + + current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line; + + /* Offset field 2 one line from the top of the buffer */ + offset = (dma_q->current_field == 1) ? 0 : _line_size; + + /* Offset for field 2 */ + startwrite = p_out_buffer + offset; + + /* lines already completed in the current field */ + startwrite += (dma_q->lines_completed * _line_size * 2); + + /* bytes already completed in the current line */ + startwrite += current_line_bytes_copied; + + lencopy = dma_q->bytes_left_in_line > bytes_to_copy ? + bytes_to_copy : dma_q->bytes_left_in_line; + + if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + buf->vb.size)) + return 0; + + /* The below copies the UYVY data straight into video buffer */ + cx231xx_swab((u16 *) p_buffer, (u16 *) startwrite, (u16) lencopy); + + return 0; +} + +void cx231xx_swab(u16 *from, u16 *to, u16 len) +{ + u16 i; + + if (len <= 0) + return; + + for (i = 0; i < len / 2; i++) + to[i] = (from[i] << 8) | (from[i] >> 8); +} + +u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q) +{ + u8 buffer_complete = 0; + + /* Dual field stream */ + buffer_complete = ((dma_q->current_field == 2) && + (dma_q->lines_completed >= dma_q->lines_per_field) && + dma_q->field1_done); + + return buffer_complete; +} + +/* ------------------------------------------------------------------ + Videobuf operations + ------------------------------------------------------------------*/ + +static int +buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) +{ + struct cx231xx_fh *fh = vq->priv_data; + struct cx231xx *dev = fh->dev; + struct v4l2_frequency f; + + *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7)>>3; + if (0 == *count) + *count = CX231XX_DEF_BUF; + + if (*count < CX231XX_MIN_BUF) + *count = CX231XX_MIN_BUF; + + /* Ask tuner to go to analog mode */ + memset(&f, 0, sizeof(f)); + f.frequency = dev->ctl_freq; + f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + + call_all(dev, tuner, s_frequency, &f); + + return 0; +} + +/* This is called *without* dev->slock held; please keep it that way */ +static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf) +{ + struct cx231xx_fh *fh = vq->priv_data; + struct cx231xx *dev = fh->dev; + unsigned long flags = 0; + + if (in_interrupt()) + BUG(); + + /* We used to wait for the buffer to finish here, but this didn't work + because, as we were keeping the state as VIDEOBUF_QUEUED, + videobuf_queue_cancel marked it as finished for us. + (Also, it could wedge forever if the hardware was misconfigured.) + + This should be safe; by the time we get here, the buffer isn't + queued anymore. If we ever start marking the buffers as + VIDEOBUF_ACTIVE, it won't be, though. + */ + spin_lock_irqsave(&dev->video_mode.slock, flags); + if (dev->video_mode.isoc_ctl.buf == buf) + dev->video_mode.isoc_ctl.buf = NULL; + spin_unlock_irqrestore(&dev->video_mode.slock, flags); + + videobuf_vmalloc_free(&buf->vb); + buf->vb.state = VIDEOBUF_NEEDS_INIT; +} + +static int +buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, + enum v4l2_field field) +{ + struct cx231xx_fh *fh = vq->priv_data; + struct cx231xx_buffer *buf = + container_of(vb, struct cx231xx_buffer, vb); + struct cx231xx *dev = fh->dev; + int rc = 0, urb_init = 0; + + /* The only currently supported format is 16 bits/pixel */ + buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth + + 7) >> 3; + if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) + return -EINVAL; + + buf->vb.width = dev->width; + buf->vb.height = dev->height; + buf->vb.field = field; + + if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { + rc = videobuf_iolock(vq, &buf->vb, NULL); + if (rc < 0) + goto fail; + } + + if (!dev->video_mode.isoc_ctl.num_bufs) + urb_init = 1; + + if (urb_init) { + rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS, + CX231XX_NUM_BUFS, + dev->video_mode.max_pkt_size, + cx231xx_isoc_copy); + if (rc < 0) + goto fail; + } + + buf->vb.state = VIDEOBUF_PREPARED; + return 0; + +fail: + free_buffer(vq, buf); + return rc; +} + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx231xx_buffer *buf = + container_of(vb, struct cx231xx_buffer, vb); + struct cx231xx_fh *fh = vq->priv_data; + struct cx231xx *dev = fh->dev; + struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; + + buf->vb.state = VIDEOBUF_QUEUED; + list_add_tail(&buf->vb.queue, &vidq->active); + +} + +static void buffer_release(struct videobuf_queue *vq, + struct videobuf_buffer *vb) +{ + struct cx231xx_buffer *buf = + container_of(vb, struct cx231xx_buffer, vb); + struct cx231xx_fh *fh = vq->priv_data; + struct cx231xx *dev = (struct cx231xx *)fh->dev; + + cx231xx_isocdbg("cx231xx: called buffer_release\n"); + + free_buffer(vq, buf); +} + +static struct videobuf_queue_ops cx231xx_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + +/********************* v4l2 interface **************************************/ + +void video_mux(struct cx231xx *dev, int index) +{ + dev->video_input = index; + dev->ctl_ainput = INPUT(index)->amux; + + cx231xx_set_video_input_mux(dev, index); + + cx25840_call(dev, video, s_routing, INPUT(index)->vmux, 0, 0); + + cx231xx_set_audio_input(dev, dev->ctl_ainput); + + cx231xx_info("video_mux : %d\n", index); + + /* do mode control overrides if required */ + cx231xx_do_mode_ctrl_overrides(dev); +} + +/* Usage lock check functions */ +static int res_get(struct cx231xx_fh *fh) +{ + struct cx231xx *dev = fh->dev; + int rc = 0; + + /* This instance already has stream_on */ + if (fh->stream_on) + return rc; + + if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + if (dev->stream_on) + return -EBUSY; + dev->stream_on = 1; + } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { + if (dev->vbi_stream_on) + return -EBUSY; + dev->vbi_stream_on = 1; + } else + return -EINVAL; + + fh->stream_on = 1; + + return rc; +} + +static int res_check(struct cx231xx_fh *fh) +{ + return fh->stream_on; +} + +static void res_free(struct cx231xx_fh *fh) +{ + struct cx231xx *dev = fh->dev; + + fh->stream_on = 0; + + if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + dev->stream_on = 0; + if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) + dev->vbi_stream_on = 0; +} + +static int check_dev(struct cx231xx *dev) +{ + if (dev->state & DEV_DISCONNECTED) { + cx231xx_errdev("v4l2 ioctl: device not present\n"); + return -ENODEV; + } + + if (dev->state & DEV_MISCONFIGURED) { + cx231xx_errdev("v4l2 ioctl: device is misconfigured; " + "close and open it again\n"); + return -EIO; + } + return 0; +} + +void get_scale(struct cx231xx *dev, + unsigned int width, unsigned int height, + unsigned int *hscale, unsigned int *vscale) +{ + unsigned int maxw = norm_maxw(dev); + unsigned int maxh = norm_maxh(dev); + + *hscale = (((unsigned long)maxw) << 12) / width - 4096L; + if (*hscale >= 0x4000) + *hscale = 0x3fff; + + *vscale = (((unsigned long)maxh) << 12) / height - 4096L; + if (*vscale >= 0x4000) + *vscale = 0x3fff; + + dev->hscale = *hscale; + dev->vscale = *vscale; + +} + +/* ------------------------------------------------------------------ + IOCTL vidioc handling + ------------------------------------------------------------------*/ + +static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + + mutex_lock(&dev->lock); + + f->fmt.pix.width = dev->width; + f->fmt.pix.height = dev->height; + f->fmt.pix.pixelformat = dev->format->fourcc;; + f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3;; + f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; + f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + + f->fmt.pix.field = V4L2_FIELD_INTERLACED; + + mutex_unlock(&dev->lock); + + return 0; +} + +static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(format); i++) + if (format[i].fourcc == fourcc) + return &format[i]; + + return NULL; +} + +static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int width = f->fmt.pix.width; + int height = f->fmt.pix.height; + unsigned int maxw = norm_maxw(dev); + unsigned int maxh = norm_maxh(dev); + unsigned int hscale, vscale; + struct cx231xx_fmt *fmt; + + fmt = format_by_fourcc(f->fmt.pix.pixelformat); + if (!fmt) { + cx231xx_videodbg("Fourcc format (%08x) invalid.\n", + f->fmt.pix.pixelformat); + return -EINVAL; + } + + /* width must even because of the YUYV format + height must be even because of interlacing */ + height &= 0xfffe; + width &= 0xfffe; + + if (unlikely(height < 32)) + height = 32; + if (unlikely(height > maxh)) + height = maxh; + if (unlikely(width < 48)) + width = 48; + if (unlikely(width > maxw)) + width = maxw; + + get_scale(dev, width, height, &hscale, &vscale); + + width = (((unsigned long)maxw) << 12) / (hscale + 4096L); + height = (((unsigned long)maxh) << 12) / (vscale + 4096L); + + f->fmt.pix.width = width; + f->fmt.pix.height = height; + f->fmt.pix.pixelformat = fmt->fourcc; + f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3; + f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; + f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + f->fmt.pix.field = V4L2_FIELD_INTERLACED; + + return 0; +} + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + struct cx231xx_fmt *fmt; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + mutex_lock(&dev->lock); + + vidioc_try_fmt_vid_cap(file, priv, f); + + fmt = format_by_fourcc(f->fmt.pix.pixelformat); + if (!fmt) { + rc = -EINVAL; + goto out; + } + + if (videobuf_queue_is_busy(&fh->vb_vidq)) { + cx231xx_errdev("%s queue busy\n", __func__); + rc = -EBUSY; + goto out; + } + + if (dev->stream_on && !fh->stream_on) { + cx231xx_errdev("%s device in use by another fh\n", __func__); + rc = -EBUSY; + goto out; + } + + /* set new image size */ + dev->width = f->fmt.pix.width; + dev->height = f->fmt.pix.height; + dev->format = fmt; + get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); + + call_all(dev, video, s_fmt, f); + + /* Set the correct alternate setting for this resolution */ + cx231xx_resolution_set(dev); + +out: + mutex_unlock(&dev->lock); + return rc; +} + +static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id * id) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + + *id = dev->norm; + return 0; +} + +static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + struct v4l2_format f; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + cx231xx_info("vidioc_s_std : 0x%x\n", (unsigned int)*norm); + + mutex_lock(&dev->lock); + dev->norm = *norm; + + /* Adjusts width/height, if needed */ + f.fmt.pix.width = dev->width; + f.fmt.pix.height = dev->height; + vidioc_try_fmt_vid_cap(file, priv, &f); + + /* set new image size */ + dev->width = f.fmt.pix.width; + dev->height = f.fmt.pix.height; + get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); + + call_all(dev, core, s_std, dev->norm); + + mutex_unlock(&dev->lock); + + cx231xx_resolution_set(dev); + + /* do mode control overrides */ + cx231xx_do_mode_ctrl_overrides(dev); + + return 0; +} + +static const char *iname[] = { + [CX231XX_VMUX_COMPOSITE1] = "Composite1", + [CX231XX_VMUX_SVIDEO] = "S-Video", + [CX231XX_VMUX_TELEVISION] = "Television", + [CX231XX_VMUX_CABLE] = "Cable TV", + [CX231XX_VMUX_DVB] = "DVB", + [CX231XX_VMUX_DEBUG] = "for debug only", +}; + +static int vidioc_enum_input(struct file *file, void *priv, + struct v4l2_input *i) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + unsigned int n; + + n = i->index; + if (n >= MAX_CX231XX_INPUT) + return -EINVAL; + if (0 == INPUT(n)->type) + return -EINVAL; + + i->index = n; + i->type = V4L2_INPUT_TYPE_CAMERA; + + strcpy(i->name, iname[INPUT(n)->type]); + + if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) || + (CX231XX_VMUX_CABLE == INPUT(n)->type)) + i->type = V4L2_INPUT_TYPE_TUNER; + + i->std = dev->vdev->tvnorms; + + return 0; +} + +static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + + *i = dev->video_input; + + return 0; +} + +static int vidioc_s_input(struct file *file, void *priv, unsigned int i) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + if (i >= MAX_CX231XX_INPUT) + return -EINVAL; + if (0 == INPUT(i)->type) + return -EINVAL; + + mutex_lock(&dev->lock); + + video_mux(dev, i); + + mutex_unlock(&dev->lock); + return 0; +} + +static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + + switch (a->index) { + case CX231XX_AMUX_VIDEO: + strcpy(a->name, "Television"); + break; + case CX231XX_AMUX_LINE_IN: + strcpy(a->name, "Line In"); + break; + default: + return -EINVAL; + } + + a->index = dev->ctl_ainput; + a->capability = V4L2_AUDCAP_STEREO; + + return 0; +} + +static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int status = 0; + + /* Doesn't allow manual routing */ + if (a->index != dev->ctl_ainput) + return -EINVAL; + + dev->ctl_ainput = INPUT(a->index)->amux; + status = cx231xx_set_audio_input(dev, dev->ctl_ainput); + + return status; +} + +static int vidioc_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *qc) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int id = qc->id; + int i; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + qc->id = v4l2_ctrl_next(ctrl_classes, qc->id); + if (unlikely(qc->id == 0)) + return -EINVAL; + + memset(qc, 0, sizeof(*qc)); + + qc->id = id; + + if (qc->id < V4L2_CID_BASE || qc->id >= V4L2_CID_LASTP1) + return -EINVAL; + + for (i = 0; i < CX231XX_CTLS; i++) + if (cx231xx_ctls[i].v.id == qc->id) + break; + + if (i == CX231XX_CTLS) { + *qc = no_ctl; + return 0; + } + *qc = cx231xx_ctls[i].v; + + mutex_lock(&dev->lock); + call_all(dev, core, queryctrl, qc); + mutex_unlock(&dev->lock); + + if (qc->type) + return 0; + else + return -EINVAL; +} + +static int vidioc_g_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + mutex_lock(&dev->lock); + call_all(dev, core, g_ctrl, ctrl); + mutex_unlock(&dev->lock); + return rc; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + mutex_lock(&dev->lock); + call_all(dev, core, s_ctrl, ctrl); + mutex_unlock(&dev->lock); + return rc; +} + +static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + if (0 != t->index) + return -EINVAL; + + strcpy(t->name, "Tuner"); + + t->type = V4L2_TUNER_ANALOG_TV; + t->capability = V4L2_TUNER_CAP_NORM; + t->rangehigh = 0xffffffffUL; + t->signal = 0xffff; /* LOCKED */ + + return 0; +} + +static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + if (0 != t->index) + return -EINVAL; +#if 0 + mutex_lock(&dev->lock); + call_all(dev, tuner, s_tuner, t); + mutex_unlock(&dev->lock); +#endif + return 0; +} + +static int vidioc_g_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + + mutex_lock(&dev->lock); + f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + f->frequency = dev->ctl_freq; + + call_all(dev, tuner, g_frequency, f); + + mutex_unlock(&dev->lock); + + return 0; +} + +static int vidioc_s_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + if (0 != f->tuner) + return -EINVAL; + + if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) + return -EINVAL; + if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) + return -EINVAL; + + /* set pre channel change settings in DIF first */ + rc = cx231xx_tuner_pre_channel_change(dev); + + mutex_lock(&dev->lock); + + dev->ctl_freq = f->frequency; + + if (dev->tuner_type == TUNER_XC5000) { + if (dev->cx231xx_set_analog_freq != NULL) + dev->cx231xx_set_analog_freq(dev, f->frequency); + } else + call_all(dev, tuner, s_frequency, f); + + mutex_unlock(&dev->lock); + + /* set post channel change settings in DIF first */ + rc = cx231xx_tuner_post_channel_change(dev); + + cx231xx_info("Set New FREQUENCY to %d\n", f->frequency); + + return rc; +} + +#ifdef CONFIG_VIDEO_ADV_DEBUG + +/* + -R, --list-registers=type=<host/i2cdrv/i2caddr>, + chip=<chip>[,min=<addr>,max=<addr>] + dump registers from <min> to <max> [VIDIOC_DBG_G_REGISTER] + -r, --set-register=type=<host/i2cdrv/i2caddr>, + chip=<chip>,reg=<addr>,val=<val> + set the register [VIDIOC_DBG_S_REGISTER] + + if type == host, then <chip> is the hosts chip ID (default 0) + if type == i2cdrv (default), then <chip> is the I2C driver name or ID + if type == i2caddr, then <chip> is the 7-bit I2C address +*/ + +static int vidioc_g_register(struct file *file, void *priv, + struct v4l2_dbg_register *reg) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int ret = 0; + u8 value[4] = { 0, 0, 0, 0 }; + u32 data = 0; + + switch (reg->match.type) { + case V4L2_CHIP_MATCH_HOST: + switch (reg->match.addr) { + case 0: /* Cx231xx - internal registers */ + ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, + (u16)reg->reg, value, 4); + reg->val = value[0] | value[1] << 8 | + value[2] << 16 | value[3] << 24; + break; + case 1: /* AFE - read byte */ + ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS, + (u16)reg->reg, 2, &data, 1); + reg->val = le32_to_cpu(data & 0xff); + break; + case 14: /* AFE - read dword */ + ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS, + (u16)reg->reg, 2, &data, 4); + reg->val = le32_to_cpu(data); + break; + case 2: /* Video Block - read byte */ + ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, + (u16)reg->reg, 2, &data, 1); + reg->val = le32_to_cpu(data & 0xff); + break; + case 24: /* Video Block - read dword */ + ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, + (u16)reg->reg, 2, &data, 4); + reg->val = le32_to_cpu(data); + break; + case 3: /* I2S block - read byte */ + ret = cx231xx_read_i2c_data(dev, + I2S_BLK_DEVICE_ADDRESS, + (u16)reg->reg, 1, + &data, 1); + reg->val = le32_to_cpu(data & 0xff); + break; + case 34: /* I2S Block - read dword */ + ret = + cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, + (u16)reg->reg, 1, &data, 4); + reg->val = le32_to_cpu(data); + break; + } + return ret < 0 ? ret : 0; + + case V4L2_CHIP_MATCH_I2C_DRIVER: + call_all(dev, core, g_register, reg); + return 0; + case V4L2_CHIP_MATCH_I2C_ADDR: + /* Not supported yet */ + return -EINVAL; + default: + if (!v4l2_chip_match_host(®->match)) + return -EINVAL; + } + + mutex_lock(&dev->lock); + call_all(dev, core, g_register, reg); + mutex_unlock(&dev->lock); + + return ret; +} + +static int vidioc_s_register(struct file *file, void *priv, + struct v4l2_dbg_register *reg) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int ret = 0; + __le64 buf; + u32 value; + u8 data[4] = { 0, 0, 0, 0 }; + + buf = cpu_to_le64(reg->val); + + switch (reg->match.type) { + case V4L2_CHIP_MATCH_HOST: + { + value = (u32) buf & 0xffffffff; + + switch (reg->match.addr) { + case 0: /* cx231xx internal registers */ + data[0] = (u8) value; + data[1] = (u8) (value >> 8); + data[2] = (u8) (value >> 16); + data[3] = (u8) (value >> 24); + ret = cx231xx_write_ctrl_reg(dev, + VRT_SET_REGISTER, + (u16)reg->reg, data, + 4); + break; + case 1: /* AFE - read byte */ + ret = cx231xx_write_i2c_data(dev, + AFE_DEVICE_ADDRESS, + (u16)reg->reg, 2, + value, 1); + break; + case 14: /* AFE - read dword */ + ret = cx231xx_write_i2c_data(dev, + AFE_DEVICE_ADDRESS, + (u16)reg->reg, 2, + value, 4); + break; + case 2: /* Video Block - read byte */ + ret = + cx231xx_write_i2c_data(dev, + VID_BLK_I2C_ADDRESS, + (u16)reg->reg, 2, + value, 1); + break; + case 24: /* Video Block - read dword */ + ret = + cx231xx_write_i2c_data(dev, + VID_BLK_I2C_ADDRESS, + (u16)reg->reg, 2, + value, 4); + break; + case 3: /* I2S block - read byte */ + ret = + cx231xx_write_i2c_data(dev, + I2S_BLK_DEVICE_ADDRESS, + (u16)reg->reg, 1, + value, 1); + break; + case 34: /* I2S block - read dword */ + ret = + cx231xx_write_i2c_data(dev, + I2S_BLK_DEVICE_ADDRESS, + (u16)reg->reg, 1, + value, 4); + break; + } + } + return ret < 0 ? ret : 0; + + default: + break; + } + + mutex_lock(&dev->lock); + call_all(dev, core, s_register, reg); + mutex_unlock(&dev->lock); + + return ret; +} +#endif + +static int vidioc_cropcap(struct file *file, void *priv, + struct v4l2_cropcap *cc) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + + if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + cc->bounds.left = 0; + cc->bounds.top = 0; + cc->bounds.width = dev->width; + cc->bounds.height = dev->height; + cc->defrect = cc->bounds; + cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ + cc->pixelaspect.denominator = 59; + + return 0; +} + +static int vidioc_streamon(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + mutex_lock(&dev->lock); + rc = res_get(fh); + + if (likely(rc >= 0)) + rc = videobuf_streamon(&fh->vb_vidq); + + call_all(dev, video, s_stream, 1); + + mutex_unlock(&dev->lock); + + return rc; +} + +static int vidioc_streamoff(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && + (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)) + return -EINVAL; + if (type != fh->type) + return -EINVAL; + + mutex_lock(&dev->lock); + + cx25840_call(dev, video, s_stream, 0); + + videobuf_streamoff(&fh->vb_vidq); + res_free(fh); + + mutex_unlock(&dev->lock); + + return 0; +} + +static int vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + + strlcpy(cap->driver, "cx231xx", sizeof(cap->driver)); + strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card)); + usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); + + cap->version = CX231XX_VERSION_CODE; + + cap->capabilities = V4L2_CAP_VBI_CAPTURE | +#if 0 + V4L2_CAP_SLICED_VBI_CAPTURE | +#endif + V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_AUDIO | + V4L2_CAP_READWRITE | + V4L2_CAP_STREAMING; + + if (dev->tuner_type != TUNER_ABSENT) + cap->capabilities |= V4L2_CAP_TUNER; + + return 0; +} + +static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + if (unlikely(f->index >= ARRAY_SIZE(format))) + return -EINVAL; + + strlcpy(f->description, format[f->index].name, sizeof(f->description)); + f->pixelformat = format[f->index].fourcc; + + return 0; +} + +/* Sliced VBI ioctls */ +static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + mutex_lock(&dev->lock); + + f->fmt.sliced.service_set = 0; + + call_all(dev, video, g_fmt, f); + + if (f->fmt.sliced.service_set == 0) + rc = -EINVAL; + + mutex_unlock(&dev->lock); + return rc; +} + +static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + mutex_lock(&dev->lock); + call_all(dev, video, g_fmt, f); + mutex_unlock(&dev->lock); + + if (f->fmt.sliced.service_set == 0) + return -EINVAL; + + return 0; +} + +/* RAW VBI ioctls */ + +static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + + f->fmt.vbi.sampling_rate = (dev->norm & V4L2_STD_625_50) ? + 35468950 : 28636363; + f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; + f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; + f->fmt.vbi.offset = 64 * 4; + f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? + PAL_VBI_START_LINE : NTSC_VBI_START_LINE; + f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? + PAL_VBI_LINES : NTSC_VBI_LINES; + f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? + PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263; + f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; + + return 0; + +} + +static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + + if (dev->vbi_stream_on && !fh->stream_on) { + cx231xx_errdev("%s device in use by another fh\n", __func__); + return -EBUSY; + } + + f->type = V4L2_BUF_TYPE_VBI_CAPTURE; + f->fmt.vbi.sampling_rate = (dev->norm & V4L2_STD_625_50) ? + 35468950 : 28636363; + f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; + f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; + f->fmt.vbi.offset = 244; + f->fmt.vbi.flags = 0; + f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ? + PAL_VBI_START_LINE : NTSC_VBI_START_LINE; + f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ? + PAL_VBI_LINES : NTSC_VBI_LINES; + f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ? + PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263; + f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; + + return 0; + +} + +static int vidioc_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *rb) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + return videobuf_reqbufs(&fh->vb_vidq, rb); +} + +static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + return videobuf_querybuf(&fh->vb_vidq, b); +} + +static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + return videobuf_qbuf(&fh->vb_vidq, b); +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); +} + +#ifdef CONFIG_VIDEO_V4L1_COMPAT +static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) +{ + struct cx231xx_fh *fh = priv; + + return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); +} +#endif + +/* ----------------------------------------------------------- */ +/* RADIO ESPECIFIC IOCTLS */ +/* ----------------------------------------------------------- */ + +static int radio_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; + + strlcpy(cap->driver, "cx231xx", sizeof(cap->driver)); + strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card)); + usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); + + cap->version = CX231XX_VERSION_CODE; + cap->capabilities = V4L2_CAP_TUNER; + return 0; +} + +static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) +{ + struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; + + if (unlikely(t->index > 0)) + return -EINVAL; + + strcpy(t->name, "Radio"); + t->type = V4L2_TUNER_RADIO; + + mutex_lock(&dev->lock); + call_all(dev, tuner, s_tuner, t); + mutex_unlock(&dev->lock); + + return 0; +} + +static int radio_enum_input(struct file *file, void *priv, struct v4l2_input *i) +{ + if (i->index != 0) + return -EINVAL; + strcpy(i->name, "Radio"); + i->type = V4L2_INPUT_TYPE_TUNER; + + return 0; +} + +static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a) +{ + if (unlikely(a->index)) + return -EINVAL; + + strcpy(a->name, "Radio"); + return 0; +} + +static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) +{ + struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev; + + if (0 != t->index) + return -EINVAL; + + mutex_lock(&dev->lock); + call_all(dev, tuner, s_tuner, t); + mutex_unlock(&dev->lock); + + return 0; +} + +static int radio_s_audio(struct file *file, void *fh, struct v4l2_audio *a) +{ + return 0; +} + +static int radio_s_input(struct file *file, void *fh, unsigned int i) +{ + return 0; +} + +static int radio_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *c) +{ + 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 < CX231XX_CTLS; i++) + if (cx231xx_ctls[i].v.id == c->id) + break; + *c = cx231xx_ctls[i].v; + } else + *c = no_ctl; + return 0; +} + +/* + * cx231xx_v4l2_open() + * inits the device and starts isoc transfer + */ +static int cx231xx_v4l2_open(struct file *filp) +{ + int minor = video_devdata(filp)->minor; + int errCode = 0, radio = 0; + struct cx231xx *dev = NULL; + struct cx231xx_fh *fh; + enum v4l2_buf_type fh_type = 0; + + dev = cx231xx_get_device(minor, &fh_type, &radio); + if (NULL == dev) + return -ENODEV; + + mutex_lock(&dev->lock); + + cx231xx_videodbg("open minor=%d type=%s users=%d\n", + minor, v4l2_type_names[fh_type], dev->users); + +#if 0 + errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); + if (errCode < 0) { + cx231xx_errdev + ("Device locked on digital mode. Can't open analog\n"); + mutex_unlock(&dev->lock); + return -EBUSY; + } +#endif + + fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL); + if (!fh) { + cx231xx_errdev("cx231xx-video.c: Out of memory?!\n"); + mutex_unlock(&dev->lock); + return -ENOMEM; + } + fh->dev = dev; + fh->radio = radio; + fh->type = fh_type; + filp->private_data = fh; + + if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { + dev->width = norm_maxw(dev); + dev->height = norm_maxh(dev); + dev->hscale = 0; + dev->vscale = 0; + + /* Power up in Analog TV mode */ + cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV); + +#if 0 + cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); +#endif + cx231xx_resolution_set(dev); + + /* set video alternate setting */ + cx231xx_set_video_alternate(dev); + + /* Needed, since GPIO might have disabled power of + some i2c device */ + cx231xx_config_i2c(dev); + + /* device needs to be initialized before isoc transfer */ + dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; + video_mux(dev, dev->video_input); + + } + if (fh->radio) { + cx231xx_videodbg("video_open: setting radio device\n"); + + /* cx231xx_start_radio(dev); */ + + call_all(dev, tuner, s_radio); + } + + dev->users++; + + if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops, + NULL, &dev->video_mode.slock, + fh->type, V4L2_FIELD_INTERLACED, + sizeof(struct cx231xx_buffer), fh); + if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { + /* Set the required alternate setting VBI interface works in + Bulk mode only */ + cx231xx_set_alt_setting(dev, INDEX_VANC, 0); + + videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops, + NULL, &dev->vbi_mode.slock, + fh->type, V4L2_FIELD_SEQ_TB, + sizeof(struct cx231xx_buffer), fh); + } + + mutex_unlock(&dev->lock); + + return errCode; +} + +/* + * cx231xx_realease_resources() + * unregisters the v4l2,i2c and usb devices + * called when the device gets disconected or at module unload +*/ +void cx231xx_release_analog_resources(struct cx231xx *dev) +{ + + /*FIXME: I2C IR should be disconnected */ + + 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) { + cx231xx_info("V4L2 device /dev/vbi%d deregistered\n", + dev->vbi_dev->num); + 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->vdev) { + cx231xx_info("V4L2 device /dev/video%d deregistered\n", + dev->vdev->num); + if (-1 != dev->vdev->minor) + video_unregister_device(dev->vdev); + else + video_device_release(dev->vdev); + dev->vdev = NULL; + } +} + +/* + * cx231xx_v4l2_close() + * stops streaming and deallocates all resources allocated by the v4l2 + * calls and ioctls + */ +static int cx231xx_v4l2_close(struct file *filp) +{ + struct cx231xx_fh *fh = filp->private_data; + struct cx231xx *dev = fh->dev; + + cx231xx_videodbg("users=%d\n", dev->users); + + mutex_lock(&dev->lock); + + if (res_check(fh)) + res_free(fh); + + if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { + videobuf_stop(&fh->vb_vidq); + videobuf_mmap_free(&fh->vb_vidq); + + /* the device is already disconnect, + free the remaining resources */ + if (dev->state & DEV_DISCONNECTED) { + cx231xx_release_resources(dev); + mutex_unlock(&dev->lock); + kfree(dev); + return 0; + } + + /* do this before setting alternate! */ + cx231xx_uninit_vbi_isoc(dev); + + /* set alternate 0 */ + if (!dev->vbi_or_sliced_cc_mode) + cx231xx_set_alt_setting(dev, INDEX_VANC, 0); + else + cx231xx_set_alt_setting(dev, INDEX_HANC, 0); + + kfree(fh); + dev->users--; + wake_up_interruptible_nr(&dev->open, 1); + mutex_unlock(&dev->lock); + return 0; + } + + if (dev->users == 1) { + videobuf_stop(&fh->vb_vidq); + videobuf_mmap_free(&fh->vb_vidq); + + /* the device is already disconnect, + free the remaining resources */ + if (dev->state & DEV_DISCONNECTED) { + cx231xx_release_resources(dev); + mutex_unlock(&dev->lock); + kfree(dev); + return 0; + } + + /* Save some power by putting tuner to sleep */ + call_all(dev, tuner, s_standby); + + /* do this before setting alternate! */ + cx231xx_uninit_isoc(dev); + cx231xx_set_mode(dev, CX231XX_SUSPEND); + + /* set alternate 0 */ + cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); + } + kfree(fh); + dev->users--; + wake_up_interruptible_nr(&dev->open, 1); + mutex_unlock(&dev->lock); + return 0; +} + +/* + * cx231xx_v4l2_read() + * will allocate buffers when called for the first time + */ +static ssize_t +cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count, + loff_t *pos) +{ + struct cx231xx_fh *fh = filp->private_data; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) || + (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) { + mutex_lock(&dev->lock); + rc = res_get(fh); + mutex_unlock(&dev->lock); + + if (unlikely(rc < 0)) + return rc; + + return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, + filp->f_flags & O_NONBLOCK); + } + return 0; +} + +/* + * cx231xx_v4l2_poll() + * will allocate buffers when called for the first time + */ +static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table * wait) +{ + struct cx231xx_fh *fh = filp->private_data; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + mutex_lock(&dev->lock); + rc = res_get(fh); + mutex_unlock(&dev->lock); + + if (unlikely(rc < 0)) + return POLLERR; + + if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) || + (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)) + return videobuf_poll_stream(filp, &fh->vb_vidq, wait); + else + return POLLERR; +} + +/* + * cx231xx_v4l2_mmap() + */ +static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) +{ + struct cx231xx_fh *fh = filp->private_data; + struct cx231xx *dev = fh->dev; + int rc; + + rc = check_dev(dev); + if (rc < 0) + return rc; + + mutex_lock(&dev->lock); + rc = res_get(fh); + mutex_unlock(&dev->lock); + + if (unlikely(rc < 0)) + return rc; + + rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); + + cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", + (unsigned long)vma->vm_start, + (unsigned long)vma->vm_end - + (unsigned long)vma->vm_start, rc); + + return rc; +} + +static const struct v4l2_file_operations cx231xx_v4l_fops = { + .owner = THIS_MODULE, + .open = cx231xx_v4l2_open, + .release = cx231xx_v4l2_close, + .read = cx231xx_v4l2_read, + .poll = cx231xx_v4l2_poll, + .mmap = cx231xx_v4l2_mmap, + .ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops video_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap, + .vidioc_try_fmt_vbi_cap = vidioc_try_fmt_vbi_cap, + .vidioc_s_fmt_vbi_cap = vidioc_try_fmt_vbi_cap, + .vidioc_g_audio = vidioc_g_audio, + .vidioc_s_audio = vidioc_s_audio, + .vidioc_cropcap = vidioc_cropcap, + .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, + .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_s_std = vidioc_s_std, + .vidioc_g_std = vidioc_g_std, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif +}; + +static struct video_device cx231xx_vbi_template; + +static const struct video_device cx231xx_video_template = { + .fops = &cx231xx_v4l_fops, + .release = video_device_release, + .ioctl_ops = &video_ioctl_ops, + .minor = -1, + .tvnorms = V4L2_STD_ALL, + .current_norm = V4L2_STD_PAL, +}; + +static const struct v4l2_file_operations radio_fops = { + .owner = THIS_MODULE, + .open = cx231xx_v4l2_open, + .release = cx231xx_v4l2_close, + .ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops radio_ioctl_ops = { + .vidioc_querycap = radio_querycap, + .vidioc_g_tuner = radio_g_tuner, + .vidioc_enum_input = radio_enum_input, + .vidioc_g_audio = radio_g_audio, + .vidioc_s_tuner = radio_s_tuner, + .vidioc_s_audio = radio_s_audio, + .vidioc_s_input = radio_s_input, + .vidioc_queryctrl = radio_queryctrl, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif +}; + +static struct video_device cx231xx_radio_template = { + .name = "cx231xx-radio", + .fops = &radio_fops, + .ioctl_ops = &radio_ioctl_ops, + .minor = -1, +}; + +/******************************** usb interface ******************************/ + +static struct video_device *cx231xx_vdev_init(struct cx231xx *dev, + const struct video_device + *template, const char *type_name) +{ + struct video_device *vfd; + + vfd = video_device_alloc(); + if (NULL == vfd) + return NULL; + + *vfd = *template; + vfd->minor = -1; + vfd->v4l2_dev = &dev->v4l2_dev; + vfd->release = video_device_release; + vfd->debug = video_debug; + + snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); + + return vfd; +} + +int cx231xx_register_analog_devices(struct cx231xx *dev) +{ + int ret; + + cx231xx_info("%s: v4l2 driver version %d.%d.%d\n", + dev->name, + (CX231XX_VERSION_CODE >> 16) & 0xff, + (CX231XX_VERSION_CODE >> 8) & 0xff, + CX231XX_VERSION_CODE & 0xff); + + /* set default norm */ + /*dev->norm = cx231xx_video_template.current_norm; */ + dev->width = norm_maxw(dev); + dev->height = norm_maxh(dev); + dev->interlaced = 0; + dev->hscale = 0; + dev->vscale = 0; + + /* Analog specific initialization */ + dev->format = &format[0]; + /* video_mux(dev, dev->video_input); */ + + /* Audio defaults */ + dev->mute = 1; + dev->volume = 0x1f; + + /* enable vbi capturing */ + /* write code here... */ + + /* allocate and fill video video_device struct */ + dev->vdev = cx231xx_vdev_init(dev, &cx231xx_video_template, "video"); + if (!dev->vdev) { + cx231xx_errdev("cannot allocate video_device.\n"); + return -ENODEV; + } + + /* register v4l2 video video_device */ + ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, + video_nr[dev->devno]); + if (ret) { + cx231xx_errdev("unable to register video device (error=%i).\n", + ret); + return ret; + } + + cx231xx_info("%s/0: registered device video%d [v4l2]\n", + dev->name, dev->vdev->num); + + /* Initialize VBI template */ + memcpy(&cx231xx_vbi_template, &cx231xx_video_template, + sizeof(cx231xx_vbi_template)); + strcpy(cx231xx_vbi_template.name, "cx231xx-vbi"); + + /* Allocate and fill vbi video_device struct */ + dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi"); + + /* register v4l2 vbi video_device */ + ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, + vbi_nr[dev->devno]); + if (ret < 0) { + cx231xx_errdev("unable to register vbi device\n"); + return ret; + } + + cx231xx_info("%s/0: registered device vbi%d\n", + dev->name, dev->vbi_dev->num); + + if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) { + dev->radio_dev = cx231xx_vdev_init(dev, &cx231xx_radio_template, + "radio"); + if (!dev->radio_dev) { + cx231xx_errdev("cannot allocate video_device.\n"); + return -ENODEV; + } + ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, + radio_nr[dev->devno]); + if (ret < 0) { + cx231xx_errdev("can't register radio device\n"); + return ret; + } + cx231xx_info("Registered radio device as /dev/radio%d\n", + dev->radio_dev->num); + } + + cx231xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n", + dev->vdev->num, dev->vbi_dev->num); + + return 0; +} |
