diff options
Diffstat (limited to 'drivers/media/video/cx231xx/cx231xx-video.c')
| -rw-r--r-- | drivers/media/video/cx231xx/cx231xx-video.c | 2645 |
1 files changed, 0 insertions, 2645 deletions
diff --git a/drivers/media/video/cx231xx/cx231xx-video.c b/drivers/media/video/cx231xx/cx231xx-video.c deleted file mode 100644 index 523aa49d6b86..000000000000 --- a/drivers/media/video/cx231xx/cx231xx-video.c +++ /dev/null @@ -1,2645 +0,0 @@ -/* - 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/mm.h> -#include <linux/mutex.h> -#include <linux/slab.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 "0.0.2" - -#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"); -MODULE_VERSION(CX231XX_VERSION); - -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); - - if (dev->USE_ISO) - dev->video_mode.isoc_ctl.buf = NULL; - else - dev->video_mode.bulk_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"); - if (dev->USE_ISO) - dev->video_mode.isoc_ctl.buf = NULL; - else - dev->video_mode.bulk_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 - Useful for testing for frame/URB loss */ - outp = videobuf_to_vmalloc(&(*buf)->vb); - memset(outp, 0, (*buf)->vb.size); - - if (dev->USE_ISO) - dev->video_mode.isoc_ctl.buf = *buf; - else - dev->video_mode.bulk_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_dmaqueue *dma_q = urb->context; - 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) - return 0; - - if (urb->status < 0) { - print_err_status(dev, -1, urb->status); - if (urb->status == -ENOENT) - return 0; - } - - 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; -} - -static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb) -{ - struct cx231xx_dmaqueue *dma_q = urb->context; - int 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) - return 0; - - if (urb->status < 0) { - print_err_status(dev, -1, urb->status); - if (urb->status == -ENOENT) - return 0; - } - - if (1) { - - /* get buffer pointer and length */ - p_buffer = urb->transfer_buffer; - buffer_size = urb->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 */ - if (dev->USE_ISO) - buf = dev->video_mode.isoc_ctl.buf; - else - buf = dev->video_mode.bulk_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; - } - - if (dev->USE_ISO) - buf = dev->video_mode.isoc_ctl.buf; - else - buf = dev->video_mode.bulk_ctl.buf; - - if (buf == NULL) { - /* first try to get the buffer */ - get_next_buf(dma_q, &buf); - - 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; - - if (dev->USE_ISO) - buf = dev->video_mode.isoc_ctl.buf; - else - buf = dev->video_mode.bulk_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; - - *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; - - 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->USE_ISO) { - if (dev->video_mode.isoc_ctl.buf == buf) - dev->video_mode.isoc_ctl.buf = NULL; - } else { - if (dev->video_mode.bulk_ctl.buf == buf) - dev->video_mode.bulk_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->USE_ISO) { - if (!dev->video_mode.isoc_ctl.num_bufs) - urb_init = 1; - } else { - if (!dev->video_mode.bulk_ctl.num_bufs) - urb_init = 1; - } - /*cx231xx_info("urb_init=%d dev->video_mode.max_pkt_size=%d\n", - urb_init, dev->video_mode.max_pkt_size);*/ - if (urb_init) { - dev->mode_tv = 0; - if (dev->USE_ISO) - rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS, - CX231XX_NUM_BUFS, - dev->video_mode.max_pkt_size, - cx231xx_isoc_copy); - else - rc = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS, - CX231XX_NUM_BUFS, - dev->video_mode.max_pkt_size, - cx231xx_bulk_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; - } - return 0; -} - -/* ------------------------------------------------------------------ - 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; - - 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; - - 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; - unsigned int width = f->fmt.pix.width; - unsigned int height = f->fmt.pix.height; - unsigned int maxw = norm_maxw(dev); - unsigned int maxh = norm_maxh(dev); - 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 */ - v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0); - - 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; - struct v4l2_mbus_framefmt mbus_fmt; - - rc = check_dev(dev); - if (rc < 0) - return rc; - - vidioc_try_fmt_vid_cap(file, priv, f); - - fmt = format_by_fourcc(f->fmt.pix.pixelformat); - if (!fmt) - return -EINVAL; - - if (videobuf_queue_is_busy(&fh->vb_vidq)) { - cx231xx_errdev("%s queue busy\n", __func__); - return -EBUSY; - } - - if (dev->stream_on && !fh->stream_on) { - cx231xx_errdev("%s device in use by another fh\n", __func__); - return -EBUSY; - } - - /* set new image size */ - dev->width = f->fmt.pix.width; - dev->height = f->fmt.pix.height; - dev->format = fmt; - - v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); - call_all(dev, video, s_mbus_fmt, &mbus_fmt); - v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); - - 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_mbus_framefmt mbus_fmt; - 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); - - 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); - - call_all(dev, core, s_std, dev->norm); - - /* We need to reset basic properties in the decoder related to - resolution (since a standard change effects things like the number - of lines in VACT, etc) */ - v4l2_fill_mbus_format(&mbus_fmt, &f.fmt.pix, V4L2_MBUS_FMT_FIXED); - call_all(dev, video, s_mbus_fmt, &mbus_fmt); - v4l2_fill_pix_format(&f.fmt.pix, &mbus_fmt); - - /* set new image size */ - dev->width = f.fmt.pix.width; - dev->height = f.fmt.pix.height; - - /* 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; - u32 gen_stat; - unsigned int ret, 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; - - /* If they are asking about the active input, read signal status */ - if (n == dev->video_input) { - ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, - GEN_STAT, 2, &gen_stat, 4); - if (ret > 0) { - if ((gen_stat & FLD_VPRES) == 0x00) - i->status |= V4L2_IN_ST_NO_SIGNAL; - if ((gen_stat & FLD_HLOCK) == 0x00) - i->status |= V4L2_IN_ST_NO_H_LOCK; - } - } - - 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; - - dev->mode_tv = 0; - rc = check_dev(dev); - if (rc < 0) - return rc; - - if (i >= MAX_CX231XX_INPUT) - return -EINVAL; - if (0 == INPUT(i)->type) - return -EINVAL; - - video_mux(dev, i); - - if (INPUT(i)->type == CX231XX_VMUX_TELEVISION || - INPUT(i)->type == CX231XX_VMUX_CABLE) { - /* There's a tuner, so reset the standard and put it on the - last known frequency (since it was probably powered down - until now */ - call_all(dev, core, s_std, dev->norm); - } - - 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; - - call_all(dev, core, queryctrl, qc); - - 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; - - call_all(dev, core, g_ctrl, ctrl); - 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; - - call_all(dev, core, s_ctrl, ctrl); - 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 - call_all(dev, tuner, s_tuner, t); -#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; - - f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; - f->frequency = dev->ctl_freq; - - call_all(dev, tuner, g_frequency, f); - - 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; - u32 if_frequency = 5400000; - - cx231xx_info("Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n", - f->frequency, f->type); - /*cx231xx_info("f->type: 1-radio 2-analogTV 3-digitalTV\n");*/ - - 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); - - dev->ctl_freq = f->frequency; - call_all(dev, tuner, s_frequency, f); - - /* set post channel change settings in DIF first */ - rc = cx231xx_tuner_post_channel_change(dev); - - if (dev->tuner_type == TUNER_NXP_TDA18271) { - if (dev->norm & (V4L2_STD_MN | V4L2_STD_NTSC_443)) - if_frequency = 5400000; /*5.4MHz */ - else if (dev->norm & V4L2_STD_B) - if_frequency = 6000000; /*6.0MHz */ - else if (dev->norm & (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK)) - if_frequency = 6900000; /*6.9MHz */ - else if (dev->norm & V4L2_STD_GH) - if_frequency = 7100000; /*7.1MHz */ - else if (dev->norm & V4L2_STD_PAL_I) - if_frequency = 7250000; /*7.25MHz */ - else if (dev->norm & V4L2_STD_SECAM_L) - if_frequency = 6900000; /*6.9MHz */ - else if (dev->norm & V4L2_STD_SECAM_LC) - if_frequency = 1250000; /*1.25MHz */ - - cx231xx_info("if_frequency is set to %d\n", if_frequency); - cx231xx_set_Colibri_For_LowIF(dev, if_frequency, 1, 1); - - update_HH_register_after_set_DIF(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:/*for register debug*/ - 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 0x600:/* AFE - read byte */ - ret = cx231xx_read_i2c_master(dev, AFE_DEVICE_ADDRESS, - (u16)reg->reg, 2, - &data, 1 , 0); - reg->val = le32_to_cpu(data & 0xff); - break; - - case 0x880:/* Video Block - read byte */ - if (reg->reg < 0x0b) { - ret = cx231xx_read_i2c_master(dev, - VID_BLK_I2C_ADDRESS, - (u16)reg->reg, 2, - &data, 1 , 0); - reg->val = le32_to_cpu(data & 0xff); - } else { - ret = cx231xx_read_i2c_master(dev, - VID_BLK_I2C_ADDRESS, - (u16)reg->reg, 2, - &data, 4 , 0); - reg->val = le32_to_cpu(data); - } - break; - case 0x980: - ret = cx231xx_read_i2c_master(dev, - I2S_BLK_DEVICE_ADDRESS, - (u16)reg->reg, 1, - &data, 1 , 0); - reg->val = le32_to_cpu(data & 0xff); - break; - case 0x400: - ret = - cx231xx_read_i2c_master(dev, 0x40, - (u16)reg->reg, 1, - &data, 1 , 0); - reg->val = le32_to_cpu(data & 0xff); - break; - case 0xc01: - ret = - cx231xx_read_i2c_master(dev, 0xc0, - (u16)reg->reg, 2, - &data, 38, 1); - reg->val = le32_to_cpu(data); - break; - case 0x022: - ret = - cx231xx_read_i2c_master(dev, 0x02, - (u16)reg->reg, 1, - &data, 1, 2); - reg->val = le32_to_cpu(data & 0xff); - break; - case 0x322: - ret = cx231xx_read_i2c_master(dev, - 0x32, - (u16)reg->reg, 1, - &data, 4 , 2); - reg->val = le32_to_cpu(data); - break; - case 0x342: - ret = cx231xx_read_i2c_master(dev, - 0x34, - (u16)reg->reg, 1, - &data, 4 , 2); - reg->val = le32_to_cpu(data); - break; - - default: - cx231xx_info("no match device address!!\n"); - break; - } - return ret < 0 ? ret : 0; - /*return -EINVAL;*/ - default: - if (!v4l2_chip_match_host(®->match)) - return -EINVAL; - } - - call_all(dev, core, g_register, reg); - - 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; - case V4L2_CHIP_MATCH_I2C_ADDR: - { - 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 0x600:/* AFE - read byte */ - ret = cx231xx_write_i2c_master(dev, - AFE_DEVICE_ADDRESS, - (u16)reg->reg, 2, - value, 1 , 0); - break; - - case 0x880:/* Video Block - read byte */ - if (reg->reg < 0x0b) - cx231xx_write_i2c_master(dev, - VID_BLK_I2C_ADDRESS, - (u16)reg->reg, 2, - value, 1, 0); - else - cx231xx_write_i2c_master(dev, - VID_BLK_I2C_ADDRESS, - (u16)reg->reg, 2, - value, 4, 0); - break; - case 0x980: - ret = - cx231xx_write_i2c_master(dev, - I2S_BLK_DEVICE_ADDRESS, - (u16)reg->reg, 1, - value, 1, 0); - break; - case 0x400: - ret = - cx231xx_write_i2c_master(dev, - 0x40, - (u16)reg->reg, 1, - value, 1, 0); - break; - case 0xc01: - ret = - cx231xx_write_i2c_master(dev, - 0xc0, - (u16)reg->reg, 1, - value, 1, 1); - break; - - case 0x022: - ret = - cx231xx_write_i2c_master(dev, - 0x02, - (u16)reg->reg, 1, - value, 1, 2); - case 0x322: - ret = - cx231xx_write_i2c_master(dev, - 0x32, - (u16)reg->reg, 1, - value, 4, 2); - break; - - case 0x342: - ret = - cx231xx_write_i2c_master(dev, - 0x34, - (u16)reg->reg, 1, - value, 4, 2); - break; - default: - cx231xx_info("no match device address, " - "the value is %x\n", reg->match.addr); - break; - - } - - } - default: - break; - } - - call_all(dev, core, s_register, reg); - - 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; - - rc = res_get(fh); - - if (likely(rc >= 0)) - rc = videobuf_streamon(&fh->vb_vidq); - - call_all(dev, video, s_stream, 1); - - 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; - - cx25840_call(dev, video, s_stream, 0); - - videobuf_streamoff(&fh->vb_vidq); - res_free(fh); - - 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->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; - - f->fmt.sliced.service_set = 0; - - call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced); - - if (f->fmt.sliced.service_set == 0) - rc = -EINVAL; - - 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; - - call_all(dev, vbi, g_sliced_fmt, &f->fmt.sliced); - - 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 = 6750000 * 4; - f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; - f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; - f->fmt.vbi.offset = 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_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 = 6750000 * 4; - f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; - f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; - f->fmt.vbi.offset = 0; - 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); -} - -/* ----------------------------------------------------------- */ -/* 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->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; - - call_all(dev, tuner, s_tuner, t); - - 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; - - call_all(dev, tuner, s_tuner, t); - - 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; - } - if (i == CX231XX_CTLS) - return -EINVAL; - *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 errCode = 0, radio = 0; - struct video_device *vdev = video_devdata(filp); - struct cx231xx *dev = video_drvdata(filp); - struct cx231xx_fh *fh; - enum v4l2_buf_type fh_type = 0; - - switch (vdev->vfl_type) { - case VFL_TYPE_GRABBER: - fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - break; - case VFL_TYPE_VBI: - fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; - break; - case VFL_TYPE_RADIO: - radio = 1; - break; - } - - cx231xx_videodbg("open dev=%s type=%s users=%d\n", - video_device_node_name(vdev), 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"); - return -EBUSY; - } -#endif - - fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL); - if (!fh) { - cx231xx_errdev("cx231xx-video.c: Out of memory?!\n"); - 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); - - /* Power up in Analog TV mode */ - if (dev->board.external_av) - cx231xx_set_power_mode(dev, - POLARIS_AVMODE_ENXTERNAL_AV); - else - cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV); - -#if 0 - cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); -#endif - - /* 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; - - } - 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, &dev->lock); - 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, &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 (video_is_registered(dev->radio_dev)) - 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 %s deregistered\n", - video_device_node_name(dev->vbi_dev)); - if (video_is_registered(dev->vbi_dev)) - video_unregister_device(dev->vbi_dev); - else - video_device_release(dev->vbi_dev); - dev->vbi_dev = NULL; - } - if (dev->vdev) { - cx231xx_info("V4L2 device %s deregistered\n", - video_device_node_name(dev->vdev)); - - if (dev->board.has_417) - cx231xx_417_unregister(dev); - - if (video_is_registered(dev->vdev)) - 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); - - cx231xx_videodbg("users=%d\n", dev->users); - if (res_check(fh)) - res_free(fh); - - /* - * To workaround error number=-71 on EP0 for VideoGrabber, - * need exclude following. - * FIXME: It is probably safe to remove most of these, as we're - * now avoiding the alternate setting for INDEX_VANC - */ - if (!dev->board.no_alt_vanc) - 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) { - if (atomic_read(&dev->devlist_count) > 0) { - cx231xx_release_resources(dev); - fh->dev = NULL; - return 0; - } - 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); - return 0; - } - - dev->users--; - if (!dev->users) { - 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); - fh->dev = NULL; - return 0; - } - - /* Save some power by putting tuner to sleep */ - call_all(dev, core, s_power, 0); - - /* do this before setting alternate! */ - if (dev->USE_ISO) - cx231xx_uninit_isoc(dev); - else - cx231xx_uninit_bulk(dev); - cx231xx_set_mode(dev, CX231XX_SUSPEND); - - /* set alternate 0 */ - cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); - } - kfree(fh); - wake_up_interruptible_nr(&dev->open, 1); - 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)) { - rc = res_get(fh); - - 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; - - rc = res_get(fh); - - 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; - - rc = res_get(fh); - - 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, - .unlocked_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 -}; - -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, - .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, -}; - -/******************************** 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->v4l2_dev = &dev->v4l2_dev; - vfd->release = video_device_release; - vfd->debug = video_debug; - vfd->lock = &dev->lock; - /* Locking in file operations other than ioctl should be done - by the driver, not the V4L2 core. - This driver needs auditing so that this flag can be removed. */ - set_bit(V4L2_FL_LOCK_ALL_FOPS, &vfd->flags); - - snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); - - video_set_drvdata(vfd, dev); - return vfd; -} - -int cx231xx_register_analog_devices(struct cx231xx *dev) -{ - int ret; - - cx231xx_info("%s: v4l2 driver version %s\n", - dev->name, CX231XX_VERSION); - - /* set default norm */ - /*dev->norm = cx231xx_video_template.current_norm; */ - dev->width = norm_maxw(dev); - dev->height = norm_maxh(dev); - dev->interlaced = 0; - - /* Analog specific initialization */ - dev->format = &format[0]; - - /* Set the initial input */ - 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 %s [v4l2]\n", - dev->name, video_device_node_name(dev->vdev)); - - /* 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 %s\n", - dev->name, video_device_node_name(dev->vbi_dev)); - - 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 %s\n", - video_device_node_name(dev->radio_dev)); - } - - cx231xx_info("V4L2 device registered as %s and %s\n", - video_device_node_name(dev->vdev), - video_device_node_name(dev->vbi_dev)); - - return 0; -} |