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1922 lines
50 KiB
1922 lines
50 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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cx231xx-video.c - driver for Conexant Cx23100/101/102 |
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USB video capture devices |
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|
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Copyright (C) 2008 <srinivasa.deevi at conexant dot com> |
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Based on em28xx driver |
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Based on cx23885 driver |
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Based on cx88 driver |
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|
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*/ |
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|
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#include "cx231xx.h" |
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#include <linux/init.h> |
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#include <linux/list.h> |
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#include <linux/module.h> |
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#include <linux/kernel.h> |
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#include <linux/bitmap.h> |
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#include <linux/i2c.h> |
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#include <linux/mm.h> |
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#include <linux/mutex.h> |
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#include <linux/slab.h> |
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|
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#include <media/v4l2-common.h> |
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#include <media/v4l2-ioctl.h> |
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#include <media/v4l2-event.h> |
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#include <media/drv-intf/msp3400.h> |
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#include <media/tuner.h> |
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|
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#include <media/dvb_frontend.h> |
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|
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#include "cx231xx-vbi.h" |
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|
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#define CX231XX_VERSION "0.0.3" |
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|
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#define DRIVER_AUTHOR "Srinivasa Deevi <[email protected]>" |
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#define DRIVER_DESC "Conexant cx231xx based USB video device driver" |
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|
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#define cx231xx_videodbg(fmt, arg...) do {\ |
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if (video_debug) \ |
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printk(KERN_INFO "%s %s :"fmt, \ |
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dev->name, __func__ , ##arg); } while (0) |
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|
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static unsigned int isoc_debug; |
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module_param(isoc_debug, int, 0644); |
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MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); |
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|
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#define cx231xx_isocdbg(fmt, arg...) \ |
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do {\ |
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if (isoc_debug) { \ |
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printk(KERN_INFO "%s %s :"fmt, \ |
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dev->name, __func__ , ##arg); \ |
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} \ |
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} while (0) |
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|
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MODULE_AUTHOR(DRIVER_AUTHOR); |
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MODULE_DESCRIPTION(DRIVER_DESC); |
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MODULE_LICENSE("GPL"); |
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MODULE_VERSION(CX231XX_VERSION); |
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|
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static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U }; |
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static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U }; |
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static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U }; |
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static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U }; |
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|
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module_param_array(card, int, NULL, 0444); |
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module_param_array(video_nr, int, NULL, 0444); |
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module_param_array(vbi_nr, int, NULL, 0444); |
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module_param_array(radio_nr, int, NULL, 0444); |
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|
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MODULE_PARM_DESC(card, "card type"); |
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MODULE_PARM_DESC(video_nr, "video device numbers"); |
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MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); |
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MODULE_PARM_DESC(radio_nr, "radio device numbers"); |
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|
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static unsigned int video_debug; |
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module_param(video_debug, int, 0644); |
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MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); |
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|
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/* supported video standards */ |
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static struct cx231xx_fmt format[] = { |
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{ |
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.fourcc = V4L2_PIX_FMT_YUYV, |
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.depth = 16, |
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.reg = 0, |
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}, |
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}; |
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static int cx231xx_enable_analog_tuner(struct cx231xx *dev) |
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{ |
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#ifdef CONFIG_MEDIA_CONTROLLER |
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struct media_device *mdev = dev->media_dev; |
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struct media_entity *entity, *decoder = NULL, *source; |
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struct media_link *link, *found_link = NULL; |
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int ret, active_links = 0; |
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|
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if (!mdev) |
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return 0; |
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|
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/* |
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* This will find the tuner that is connected into the decoder. |
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* Technically, this is not 100% correct, as the device may be |
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* using an analog input instead of the tuner. However, as we can't |
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* do DVB streaming while the DMA engine is being used for V4L2, |
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* this should be enough for the actual needs. |
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*/ |
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media_device_for_each_entity(entity, mdev) { |
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if (entity->function == MEDIA_ENT_F_ATV_DECODER) { |
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decoder = entity; |
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break; |
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} |
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} |
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if (!decoder) |
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return 0; |
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|
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list_for_each_entry(link, &decoder->links, list) { |
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if (link->sink->entity == decoder) { |
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found_link = link; |
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if (link->flags & MEDIA_LNK_FL_ENABLED) |
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active_links++; |
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break; |
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} |
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} |
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|
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if (active_links == 1 || !found_link) |
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return 0; |
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source = found_link->source->entity; |
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list_for_each_entry(link, &source->links, list) { |
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struct media_entity *sink; |
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int flags = 0; |
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|
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sink = link->sink->entity; |
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|
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if (sink == entity) |
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flags = MEDIA_LNK_FL_ENABLED; |
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|
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ret = media_entity_setup_link(link, flags); |
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if (ret) { |
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dev_err(dev->dev, |
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"Couldn't change link %s->%s to %s. Error %d\n", |
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source->name, sink->name, |
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flags ? "enabled" : "disabled", |
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ret); |
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return ret; |
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} else |
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dev_dbg(dev->dev, |
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"link %s->%s was %s\n", |
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source->name, sink->name, |
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flags ? "ENABLED" : "disabled"); |
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} |
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#endif |
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return 0; |
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} |
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|
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/* ------------------------------------------------------------------ |
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Video buffer and parser functions |
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------------------------------------------------------------------*/ |
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|
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/* |
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* Announces that a buffer were filled and request the next |
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*/ |
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static inline void buffer_filled(struct cx231xx *dev, |
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struct cx231xx_dmaqueue *dma_q, |
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struct cx231xx_buffer *buf) |
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{ |
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/* Advice that buffer was filled */ |
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cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.vb2_buf.index); |
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buf->vb.sequence = dma_q->sequence++; |
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buf->vb.field = V4L2_FIELD_INTERLACED; |
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buf->vb.vb2_buf.timestamp = ktime_get_ns(); |
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vb2_set_plane_payload(&buf->vb.vb2_buf, 0, dev->size); |
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|
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if (dev->USE_ISO) |
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dev->video_mode.isoc_ctl.buf = NULL; |
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else |
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dev->video_mode.bulk_ctl.buf = NULL; |
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|
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list_del(&buf->list); |
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vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); |
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} |
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|
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static inline void print_err_status(struct cx231xx *dev, int packet, int status) |
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{ |
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char *errmsg = "Unknown"; |
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|
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switch (status) { |
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case -ENOENT: |
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errmsg = "unlinked synchronously"; |
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break; |
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case -ECONNRESET: |
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errmsg = "unlinked asynchronously"; |
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break; |
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case -ENOSR: |
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errmsg = "Buffer error (overrun)"; |
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break; |
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case -EPIPE: |
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errmsg = "Stalled (device not responding)"; |
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break; |
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case -EOVERFLOW: |
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errmsg = "Babble (bad cable?)"; |
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break; |
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case -EPROTO: |
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errmsg = "Bit-stuff error (bad cable?)"; |
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break; |
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case -EILSEQ: |
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errmsg = "CRC/Timeout (could be anything)"; |
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break; |
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case -ETIME: |
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errmsg = "Device does not respond"; |
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break; |
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} |
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if (packet < 0) { |
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cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg); |
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} else { |
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cx231xx_isocdbg("URB packet %d, status %d [%s].\n", |
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packet, status, errmsg); |
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} |
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} |
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|
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/* |
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* video-buf generic routine to get the next available buffer |
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*/ |
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static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q, |
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struct cx231xx_buffer **buf) |
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{ |
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struct cx231xx_video_mode *vmode = |
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container_of(dma_q, struct cx231xx_video_mode, vidq); |
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struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); |
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|
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char *outp; |
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|
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if (list_empty(&dma_q->active)) { |
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cx231xx_isocdbg("No active queue to serve\n"); |
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if (dev->USE_ISO) |
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dev->video_mode.isoc_ctl.buf = NULL; |
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else |
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dev->video_mode.bulk_ctl.buf = NULL; |
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*buf = NULL; |
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return; |
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} |
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|
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/* Get the next buffer */ |
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*buf = list_entry(dma_q->active.next, struct cx231xx_buffer, list); |
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|
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/* Cleans up buffer - Useful for testing for frame/URB loss */ |
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outp = vb2_plane_vaddr(&(*buf)->vb.vb2_buf, 0); |
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memset(outp, 0, dev->size); |
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|
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if (dev->USE_ISO) |
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dev->video_mode.isoc_ctl.buf = *buf; |
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else |
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dev->video_mode.bulk_ctl.buf = *buf; |
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|
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return; |
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} |
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|
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/* |
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* Controls the isoc copy of each urb packet |
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*/ |
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static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb) |
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{ |
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struct cx231xx_dmaqueue *dma_q = urb->context; |
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int i; |
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unsigned char *p_buffer; |
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u32 bytes_parsed = 0, buffer_size = 0; |
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u8 sav_eav = 0; |
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|
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if (!dev) |
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return 0; |
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|
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if (dev->state & DEV_DISCONNECTED) |
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return 0; |
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|
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if (urb->status < 0) { |
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print_err_status(dev, -1, urb->status); |
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if (urb->status == -ENOENT) |
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return 0; |
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} |
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|
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for (i = 0; i < urb->number_of_packets; i++) { |
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int status = urb->iso_frame_desc[i].status; |
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|
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if (status < 0) { |
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print_err_status(dev, i, status); |
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if (urb->iso_frame_desc[i].status != -EPROTO) |
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continue; |
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} |
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|
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if (urb->iso_frame_desc[i].actual_length <= 0) { |
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/* cx231xx_isocdbg("packet %d is empty",i); - spammy */ |
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continue; |
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} |
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if (urb->iso_frame_desc[i].actual_length > |
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dev->video_mode.max_pkt_size) { |
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cx231xx_isocdbg("packet bigger than packet size"); |
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continue; |
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} |
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|
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/* get buffer pointer and length */ |
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p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset; |
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buffer_size = urb->iso_frame_desc[i].actual_length; |
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bytes_parsed = 0; |
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|
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if (dma_q->is_partial_line) { |
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/* Handle the case of a partial line */ |
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sav_eav = dma_q->last_sav; |
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} else { |
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/* Check for a SAV/EAV overlapping |
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the buffer boundary */ |
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sav_eav = |
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cx231xx_find_boundary_SAV_EAV(p_buffer, |
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dma_q->partial_buf, |
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&bytes_parsed); |
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} |
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|
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sav_eav &= 0xF0; |
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/* Get the first line if we have some portion of an SAV/EAV from |
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the last buffer or a partial line */ |
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if (sav_eav) { |
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bytes_parsed += cx231xx_get_video_line(dev, dma_q, |
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sav_eav, /* SAV/EAV */ |
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p_buffer + bytes_parsed, /* p_buffer */ |
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buffer_size - bytes_parsed);/* buf size */ |
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} |
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|
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/* Now parse data that is completely in this buffer */ |
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/* dma_q->is_partial_line = 0; */ |
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|
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while (bytes_parsed < buffer_size) { |
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u32 bytes_used = 0; |
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|
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sav_eav = cx231xx_find_next_SAV_EAV( |
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p_buffer + bytes_parsed, /* p_buffer */ |
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buffer_size - bytes_parsed, /* buf size */ |
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&bytes_used);/* bytes used to get SAV/EAV */ |
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bytes_parsed += bytes_used; |
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|
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sav_eav &= 0xF0; |
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if (sav_eav && (bytes_parsed < buffer_size)) { |
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bytes_parsed += cx231xx_get_video_line(dev, |
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dma_q, sav_eav, /* SAV/EAV */ |
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p_buffer + bytes_parsed,/* p_buffer */ |
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buffer_size - bytes_parsed);/*buf size*/ |
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} |
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} |
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|
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/* Save the last four bytes of the buffer so we can check the |
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buffer boundary condition next time */ |
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memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4); |
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bytes_parsed = 0; |
|
|
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} |
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return 1; |
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} |
|
|
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static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb) |
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{ |
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struct cx231xx_dmaqueue *dma_q = urb->context; |
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unsigned char *p_buffer; |
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u32 bytes_parsed = 0, buffer_size = 0; |
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u8 sav_eav = 0; |
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|
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if (!dev) |
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return 0; |
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|
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if (dev->state & DEV_DISCONNECTED) |
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return 0; |
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|
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if (urb->status < 0) { |
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print_err_status(dev, -1, urb->status); |
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if (urb->status == -ENOENT) |
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return 0; |
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} |
|
|
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if (1) { |
|
|
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/* get buffer pointer and length */ |
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p_buffer = urb->transfer_buffer; |
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buffer_size = urb->actual_length; |
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bytes_parsed = 0; |
|
|
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if (dma_q->is_partial_line) { |
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/* Handle the case of a partial line */ |
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sav_eav = dma_q->last_sav; |
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} else { |
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/* Check for a SAV/EAV overlapping |
|
the buffer boundary */ |
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sav_eav = |
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cx231xx_find_boundary_SAV_EAV(p_buffer, |
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dma_q->partial_buf, |
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&bytes_parsed); |
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} |
|
|
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sav_eav &= 0xF0; |
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/* Get the first line if we have some portion of an SAV/EAV from |
|
the last buffer or a partial line */ |
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if (sav_eav) { |
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bytes_parsed += cx231xx_get_video_line(dev, dma_q, |
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sav_eav, /* SAV/EAV */ |
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p_buffer + bytes_parsed, /* p_buffer */ |
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buffer_size - bytes_parsed);/* buf size */ |
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} |
|
|
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/* Now parse data that is completely in this buffer */ |
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/* dma_q->is_partial_line = 0; */ |
|
|
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while (bytes_parsed < buffer_size) { |
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u32 bytes_used = 0; |
|
|
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sav_eav = cx231xx_find_next_SAV_EAV( |
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p_buffer + bytes_parsed, /* p_buffer */ |
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buffer_size - bytes_parsed, /* buf size */ |
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&bytes_used);/* bytes used to get SAV/EAV */ |
|
|
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bytes_parsed += bytes_used; |
|
|
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sav_eav &= 0xF0; |
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if (sav_eav && (bytes_parsed < buffer_size)) { |
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bytes_parsed += cx231xx_get_video_line(dev, |
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dma_q, sav_eav, /* SAV/EAV */ |
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p_buffer + bytes_parsed,/* p_buffer */ |
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buffer_size - bytes_parsed);/*buf size*/ |
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} |
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} |
|
|
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/* Save the last four bytes of the buffer so we can check the |
|
buffer boundary condition next time */ |
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memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4); |
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bytes_parsed = 0; |
|
|
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} |
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return 1; |
|
} |
|
|
|
|
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u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf, |
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u32 *p_bytes_used) |
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{ |
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u32 bytes_used; |
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u8 boundary_bytes[8]; |
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u8 sav_eav = 0; |
|
|
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*p_bytes_used = 0; |
|
|
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/* Create an array of the last 4 bytes of the last buffer and the first |
|
4 bytes of the current buffer. */ |
|
|
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memcpy(boundary_bytes, partial_buf, 4); |
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memcpy(boundary_bytes + 4, p_buffer, 4); |
|
|
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/* Check for the SAV/EAV in the boundary buffer */ |
|
sav_eav = cx231xx_find_next_SAV_EAV((u8 *)&boundary_bytes, 8, |
|
&bytes_used); |
|
|
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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; |
|
} |
|
|
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return sav_eav; |
|
} |
|
|
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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 = vb2_plane_vaddr(&buf->vb.vb2_buf, 0); |
|
|
|
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 + dev->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 queue_setup(struct vb2_queue *vq, |
|
unsigned int *nbuffers, unsigned int *nplanes, |
|
unsigned int sizes[], struct device *alloc_devs[]) |
|
{ |
|
struct cx231xx *dev = vb2_get_drv_priv(vq); |
|
|
|
dev->size = (dev->width * dev->height * dev->format->depth + 7) >> 3; |
|
|
|
if (vq->num_buffers + *nbuffers < CX231XX_MIN_BUF) |
|
*nbuffers = CX231XX_MIN_BUF - vq->num_buffers; |
|
|
|
if (*nplanes) |
|
return sizes[0] < dev->size ? -EINVAL : 0; |
|
*nplanes = 1; |
|
sizes[0] = dev->size; |
|
|
|
return 0; |
|
} |
|
|
|
static void buffer_queue(struct vb2_buffer *vb) |
|
{ |
|
struct cx231xx_buffer *buf = |
|
container_of(vb, struct cx231xx_buffer, vb.vb2_buf); |
|
struct cx231xx *dev = vb2_get_drv_priv(vb->vb2_queue); |
|
struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; |
|
unsigned long flags; |
|
|
|
spin_lock_irqsave(&dev->video_mode.slock, flags); |
|
list_add_tail(&buf->list, &vidq->active); |
|
spin_unlock_irqrestore(&dev->video_mode.slock, flags); |
|
} |
|
|
|
static void return_all_buffers(struct cx231xx *dev, |
|
enum vb2_buffer_state state) |
|
{ |
|
struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; |
|
struct cx231xx_buffer *buf, *node; |
|
unsigned long flags; |
|
|
|
spin_lock_irqsave(&dev->video_mode.slock, flags); |
|
if (dev->USE_ISO) |
|
dev->video_mode.isoc_ctl.buf = NULL; |
|
else |
|
dev->video_mode.bulk_ctl.buf = NULL; |
|
list_for_each_entry_safe(buf, node, &vidq->active, list) { |
|
list_del(&buf->list); |
|
vb2_buffer_done(&buf->vb.vb2_buf, state); |
|
} |
|
spin_unlock_irqrestore(&dev->video_mode.slock, flags); |
|
} |
|
|
|
static int start_streaming(struct vb2_queue *vq, unsigned int count) |
|
{ |
|
struct cx231xx *dev = vb2_get_drv_priv(vq); |
|
struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; |
|
int ret = 0; |
|
|
|
vidq->sequence = 0; |
|
dev->mode_tv = 0; |
|
|
|
cx231xx_enable_analog_tuner(dev); |
|
if (dev->USE_ISO) |
|
ret = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS, |
|
CX231XX_NUM_BUFS, |
|
dev->video_mode.max_pkt_size, |
|
cx231xx_isoc_copy); |
|
else |
|
ret = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS, |
|
CX231XX_NUM_BUFS, |
|
dev->video_mode.max_pkt_size, |
|
cx231xx_bulk_copy); |
|
if (ret) |
|
return_all_buffers(dev, VB2_BUF_STATE_QUEUED); |
|
call_all(dev, video, s_stream, 1); |
|
return ret; |
|
} |
|
|
|
static void stop_streaming(struct vb2_queue *vq) |
|
{ |
|
struct cx231xx *dev = vb2_get_drv_priv(vq); |
|
|
|
call_all(dev, video, s_stream, 0); |
|
return_all_buffers(dev, VB2_BUF_STATE_ERROR); |
|
} |
|
|
|
static struct vb2_ops cx231xx_video_qops = { |
|
.queue_setup = queue_setup, |
|
.buf_queue = buffer_queue, |
|
.start_streaming = start_streaming, |
|
.stop_streaming = stop_streaming, |
|
.wait_prepare = vb2_ops_wait_prepare, |
|
.wait_finish = vb2_ops_wait_finish, |
|
}; |
|
|
|
/********************* 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); |
|
|
|
dev_dbg(dev->dev, "video_mux : %d\n", index); |
|
|
|
/* do mode control overrides if required */ |
|
cx231xx_do_mode_ctrl_overrides(dev); |
|
} |
|
|
|
/* ------------------------------------------------------------------ |
|
IOCTL vidioc handling |
|
------------------------------------------------------------------*/ |
|
|
|
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
|
struct v4l2_format *f) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
|
|
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 *dev = video_drvdata(file); |
|
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 = (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 *dev = video_drvdata(file); |
|
struct v4l2_subdev_format format = { |
|
.which = V4L2_SUBDEV_FORMAT_ACTIVE, |
|
}; |
|
int rc; |
|
|
|
rc = vidioc_try_fmt_vid_cap(file, priv, f); |
|
if (rc) |
|
return rc; |
|
|
|
if (vb2_is_busy(&dev->vidq)) { |
|
dev_err(dev->dev, "%s: queue busy\n", __func__); |
|
return -EBUSY; |
|
} |
|
|
|
/* set new image size */ |
|
dev->width = f->fmt.pix.width; |
|
dev->height = f->fmt.pix.height; |
|
dev->format = format_by_fourcc(f->fmt.pix.pixelformat); |
|
|
|
v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED); |
|
call_all(dev, pad, set_fmt, NULL, &format); |
|
v4l2_fill_pix_format(&f->fmt.pix, &format.format); |
|
|
|
return rc; |
|
} |
|
|
|
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
|
|
*id = dev->norm; |
|
return 0; |
|
} |
|
|
|
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
struct v4l2_subdev_format format = { |
|
.which = V4L2_SUBDEV_FORMAT_ACTIVE, |
|
}; |
|
|
|
if (dev->norm == norm) |
|
return 0; |
|
|
|
if (vb2_is_busy(&dev->vidq)) |
|
return -EBUSY; |
|
|
|
dev->norm = norm; |
|
|
|
/* Adjusts width/height, if needed */ |
|
dev->width = 720; |
|
dev->height = (dev->norm & V4L2_STD_625_50) ? 576 : 480; |
|
|
|
call_all(dev, video, 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) */ |
|
format.format.code = MEDIA_BUS_FMT_FIXED; |
|
format.format.width = dev->width; |
|
format.format.height = dev->height; |
|
call_all(dev, pad, set_fmt, NULL, &format); |
|
|
|
/* 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", |
|
}; |
|
|
|
void cx231xx_v4l2_create_entities(struct cx231xx *dev) |
|
{ |
|
#if defined(CONFIG_MEDIA_CONTROLLER) |
|
int ret, i; |
|
|
|
/* Create entities for each input connector */ |
|
for (i = 0; i < MAX_CX231XX_INPUT; i++) { |
|
struct media_entity *ent = &dev->input_ent[i]; |
|
|
|
if (!INPUT(i)->type) |
|
break; |
|
|
|
ent->name = iname[INPUT(i)->type]; |
|
ent->flags = MEDIA_ENT_FL_CONNECTOR; |
|
dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; |
|
|
|
switch (INPUT(i)->type) { |
|
case CX231XX_VMUX_COMPOSITE1: |
|
ent->function = MEDIA_ENT_F_CONN_COMPOSITE; |
|
break; |
|
case CX231XX_VMUX_SVIDEO: |
|
ent->function = MEDIA_ENT_F_CONN_SVIDEO; |
|
break; |
|
case CX231XX_VMUX_TELEVISION: |
|
case CX231XX_VMUX_CABLE: |
|
case CX231XX_VMUX_DVB: |
|
/* The DVB core will handle it */ |
|
if (dev->tuner_type == TUNER_ABSENT) |
|
continue; |
|
fallthrough; |
|
default: /* just to shut up a gcc warning */ |
|
ent->function = MEDIA_ENT_F_CONN_RF; |
|
break; |
|
} |
|
|
|
ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); |
|
if (ret < 0) |
|
pr_err("failed to initialize input pad[%d]!\n", i); |
|
|
|
ret = media_device_register_entity(dev->media_dev, ent); |
|
if (ret < 0) |
|
pr_err("failed to register input entity %d!\n", i); |
|
} |
|
#endif |
|
} |
|
|
|
int cx231xx_enum_input(struct file *file, void *priv, |
|
struct v4l2_input *i) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
u32 gen_stat; |
|
unsigned int n; |
|
int ret; |
|
|
|
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; |
|
|
|
strscpy(i->name, iname[INPUT(n)->type], sizeof(i->name)); |
|
|
|
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; |
|
} |
|
|
|
int cx231xx_g_input(struct file *file, void *priv, unsigned int *i) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
|
|
*i = dev->video_input; |
|
|
|
return 0; |
|
} |
|
|
|
int cx231xx_s_input(struct file *file, void *priv, unsigned int i) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
|
|
dev->mode_tv = 0; |
|
|
|
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, video, s_std, dev->norm); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
int cx231xx_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
|
|
if (0 != t->index) |
|
return -EINVAL; |
|
|
|
strscpy(t->name, "Tuner", sizeof(t->name)); |
|
|
|
t->type = V4L2_TUNER_ANALOG_TV; |
|
t->capability = V4L2_TUNER_CAP_NORM; |
|
t->rangehigh = 0xffffffffUL; |
|
t->signal = 0xffff; /* LOCKED */ |
|
call_all(dev, tuner, g_tuner, t); |
|
|
|
return 0; |
|
} |
|
|
|
int cx231xx_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t) |
|
{ |
|
if (0 != t->index) |
|
return -EINVAL; |
|
return 0; |
|
} |
|
|
|
int cx231xx_g_frequency(struct file *file, void *priv, |
|
struct v4l2_frequency *f) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
|
|
if (f->tuner) |
|
return -EINVAL; |
|
|
|
f->frequency = dev->ctl_freq; |
|
|
|
return 0; |
|
} |
|
|
|
int cx231xx_s_frequency(struct file *file, void *priv, |
|
const struct v4l2_frequency *f) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
struct v4l2_frequency new_freq = *f; |
|
int rc, need_if_freq = 0; |
|
u32 if_frequency = 5400000; |
|
|
|
dev_dbg(dev->dev, |
|
"Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n", |
|
f->frequency, f->type); |
|
|
|
if (0 != f->tuner) |
|
return -EINVAL; |
|
|
|
/* set pre channel change settings in DIF first */ |
|
rc = cx231xx_tuner_pre_channel_change(dev); |
|
|
|
switch (dev->model) { /* i2c device tuners */ |
|
case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx: |
|
case CX231XX_BOARD_HAUPPAUGE_935C: |
|
case CX231XX_BOARD_HAUPPAUGE_955Q: |
|
case CX231XX_BOARD_HAUPPAUGE_975: |
|
case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD: |
|
if (dev->cx231xx_set_analog_freq) |
|
dev->cx231xx_set_analog_freq(dev, f->frequency); |
|
dev->ctl_freq = f->frequency; |
|
need_if_freq = 1; |
|
break; |
|
default: |
|
call_all(dev, tuner, s_frequency, f); |
|
call_all(dev, tuner, g_frequency, &new_freq); |
|
dev->ctl_freq = new_freq.frequency; |
|
break; |
|
} |
|
|
|
pr_debug("%s() %u : %u\n", __func__, f->frequency, dev->ctl_freq); |
|
|
|
/* set post channel change settings in DIF first */ |
|
rc = cx231xx_tuner_post_channel_change(dev); |
|
|
|
if (need_if_freq || 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 */ |
|
|
|
dev_dbg(dev->dev, |
|
"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); |
|
} |
|
|
|
dev_dbg(dev->dev, "Set New FREQUENCY to %d\n", f->frequency); |
|
|
|
return rc; |
|
} |
|
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG |
|
|
|
int cx231xx_g_chip_info(struct file *file, void *fh, |
|
struct v4l2_dbg_chip_info *chip) |
|
{ |
|
switch (chip->match.addr) { |
|
case 0: /* Cx231xx - internal registers */ |
|
return 0; |
|
case 1: /* AFE - read byte */ |
|
strscpy(chip->name, "AFE (byte)", sizeof(chip->name)); |
|
return 0; |
|
case 2: /* Video Block - read byte */ |
|
strscpy(chip->name, "Video (byte)", sizeof(chip->name)); |
|
return 0; |
|
case 3: /* I2S block - read byte */ |
|
strscpy(chip->name, "I2S (byte)", sizeof(chip->name)); |
|
return 0; |
|
case 4: /* AFE - read dword */ |
|
strscpy(chip->name, "AFE (dword)", sizeof(chip->name)); |
|
return 0; |
|
case 5: /* Video Block - read dword */ |
|
strscpy(chip->name, "Video (dword)", sizeof(chip->name)); |
|
return 0; |
|
case 6: /* I2S Block - read dword */ |
|
strscpy(chip->name, "I2S (dword)", sizeof(chip->name)); |
|
return 0; |
|
} |
|
return -EINVAL; |
|
} |
|
|
|
int cx231xx_g_register(struct file *file, void *priv, |
|
struct v4l2_dbg_register *reg) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
int ret; |
|
u8 value[4] = { 0, 0, 0, 0 }; |
|
u32 data = 0; |
|
|
|
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 | (u32)value[3] << 24; |
|
reg->size = 4; |
|
break; |
|
case 1: /* AFE - read byte */ |
|
ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS, |
|
(u16)reg->reg, 2, &data, 1); |
|
reg->val = data; |
|
reg->size = 1; |
|
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 = data; |
|
reg->size = 1; |
|
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 = data; |
|
reg->size = 1; |
|
break; |
|
case 4: /* AFE - read dword */ |
|
ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS, |
|
(u16)reg->reg, 2, &data, 4); |
|
reg->val = data; |
|
reg->size = 4; |
|
break; |
|
case 5: /* Video Block - read dword */ |
|
ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS, |
|
(u16)reg->reg, 2, &data, 4); |
|
reg->val = data; |
|
reg->size = 4; |
|
break; |
|
case 6: /* I2S Block - read dword */ |
|
ret = cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, |
|
(u16)reg->reg, 1, &data, 4); |
|
reg->val = data; |
|
reg->size = 4; |
|
break; |
|
default: |
|
return -EINVAL; |
|
} |
|
return ret < 0 ? ret : 0; |
|
} |
|
|
|
int cx231xx_s_register(struct file *file, void *priv, |
|
const struct v4l2_dbg_register *reg) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
int ret; |
|
u8 data[4] = { 0, 0, 0, 0 }; |
|
|
|
switch (reg->match.addr) { |
|
case 0: /* cx231xx internal registers */ |
|
data[0] = (u8) reg->val; |
|
data[1] = (u8) (reg->val >> 8); |
|
data[2] = (u8) (reg->val >> 16); |
|
data[3] = (u8) (reg->val >> 24); |
|
ret = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, |
|
(u16)reg->reg, data, 4); |
|
break; |
|
case 1: /* AFE - write byte */ |
|
ret = cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS, |
|
(u16)reg->reg, 2, reg->val, 1); |
|
break; |
|
case 2: /* Video Block - write byte */ |
|
ret = cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS, |
|
(u16)reg->reg, 2, reg->val, 1); |
|
break; |
|
case 3: /* I2S block - write byte */ |
|
ret = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, |
|
(u16)reg->reg, 1, reg->val, 1); |
|
break; |
|
case 4: /* AFE - write dword */ |
|
ret = cx231xx_write_i2c_data(dev, AFE_DEVICE_ADDRESS, |
|
(u16)reg->reg, 2, reg->val, 4); |
|
break; |
|
case 5: /* Video Block - write dword */ |
|
ret = cx231xx_write_i2c_data(dev, VID_BLK_I2C_ADDRESS, |
|
(u16)reg->reg, 2, reg->val, 4); |
|
break; |
|
case 6: /* I2S block - write dword */ |
|
ret = cx231xx_write_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS, |
|
(u16)reg->reg, 1, reg->val, 4); |
|
break; |
|
default: |
|
return -EINVAL; |
|
} |
|
return ret < 0 ? ret : 0; |
|
} |
|
#endif |
|
|
|
static int vidioc_g_pixelaspect(struct file *file, void *priv, |
|
int type, struct v4l2_fract *f) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
bool is_50hz = dev->norm & V4L2_STD_625_50; |
|
|
|
if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
|
return -EINVAL; |
|
|
|
f->numerator = is_50hz ? 54 : 11; |
|
f->denominator = is_50hz ? 59 : 10; |
|
|
|
return 0; |
|
} |
|
|
|
static int vidioc_g_selection(struct file *file, void *priv, |
|
struct v4l2_selection *s) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
|
|
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
|
return -EINVAL; |
|
|
|
switch (s->target) { |
|
case V4L2_SEL_TGT_CROP_BOUNDS: |
|
case V4L2_SEL_TGT_CROP_DEFAULT: |
|
s->r.left = 0; |
|
s->r.top = 0; |
|
s->r.width = dev->width; |
|
s->r.height = dev->height; |
|
break; |
|
default: |
|
return -EINVAL; |
|
} |
|
return 0; |
|
} |
|
|
|
int cx231xx_querycap(struct file *file, void *priv, |
|
struct v4l2_capability *cap) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
|
|
strscpy(cap->driver, "cx231xx", sizeof(cap->driver)); |
|
strscpy(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_READWRITE | |
|
V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE | |
|
V4L2_CAP_STREAMING | V4L2_CAP_DEVICE_CAPS; |
|
if (video_is_registered(&dev->radio_dev)) |
|
cap->capabilities |= V4L2_CAP_RADIO; |
|
|
|
switch (dev->model) { |
|
case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx: |
|
case CX231XX_BOARD_HAUPPAUGE_935C: |
|
case CX231XX_BOARD_HAUPPAUGE_955Q: |
|
case CX231XX_BOARD_HAUPPAUGE_975: |
|
case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD: |
|
cap->capabilities |= V4L2_CAP_TUNER; |
|
break; |
|
default: |
|
if (dev->tuner_type != TUNER_ABSENT) |
|
cap->capabilities |= V4L2_CAP_TUNER; |
|
break; |
|
} |
|
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; |
|
|
|
f->pixelformat = format[f->index].fourcc; |
|
|
|
return 0; |
|
} |
|
|
|
/* RAW VBI ioctls */ |
|
|
|
static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, |
|
struct v4l2_format *f) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
|
|
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]; |
|
memset(f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); |
|
|
|
return 0; |
|
|
|
} |
|
|
|
static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv, |
|
struct v4l2_format *f) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
|
|
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]; |
|
memset(f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved)); |
|
|
|
return 0; |
|
|
|
} |
|
|
|
static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv, |
|
struct v4l2_format *f) |
|
{ |
|
return vidioc_try_fmt_vbi_cap(file, priv, f); |
|
} |
|
|
|
/* ----------------------------------------------------------- */ |
|
/* RADIO ESPECIFIC IOCTLS */ |
|
/* ----------------------------------------------------------- */ |
|
|
|
static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
|
|
if (t->index) |
|
return -EINVAL; |
|
|
|
strscpy(t->name, "Radio", sizeof(t->name)); |
|
|
|
call_all(dev, tuner, g_tuner, t); |
|
|
|
return 0; |
|
} |
|
static int radio_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t) |
|
{ |
|
struct cx231xx *dev = video_drvdata(file); |
|
|
|
if (t->index) |
|
return -EINVAL; |
|
|
|
call_all(dev, tuner, s_tuner, t); |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* cx231xx_v4l2_open() |
|
* inits the device and starts isoc transfer |
|
*/ |
|
static int cx231xx_v4l2_open(struct file *filp) |
|
{ |
|
struct video_device *vdev = video_devdata(filp); |
|
struct cx231xx *dev = video_drvdata(filp); |
|
int ret; |
|
|
|
if (mutex_lock_interruptible(&dev->lock)) |
|
return -ERESTARTSYS; |
|
|
|
ret = v4l2_fh_open(filp); |
|
if (ret) { |
|
mutex_unlock(&dev->lock); |
|
return ret; |
|
} |
|
|
|
if (dev->users++ == 0) { |
|
/* 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); |
|
|
|
/* 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 (vdev->vfl_type == VFL_TYPE_RADIO) { |
|
cx231xx_videodbg("video_open: setting radio device\n"); |
|
|
|
/* cx231xx_start_radio(dev); */ |
|
|
|
call_all(dev, tuner, s_radio); |
|
} |
|
if (vdev->vfl_type == VFL_TYPE_VBI) { |
|
/* Set the required alternate setting VBI interface works in |
|
Bulk mode only */ |
|
cx231xx_set_alt_setting(dev, INDEX_VANC, 0); |
|
} |
|
mutex_unlock(&dev->lock); |
|
return 0; |
|
} |
|
|
|
/* |
|
* cx231xx_realease_resources() |
|
* unregisters the v4l2,i2c and usb devices |
|
* called when the device gets disconnected or at module unload |
|
*/ |
|
void cx231xx_release_analog_resources(struct cx231xx *dev) |
|
{ |
|
|
|
/*FIXME: I2C IR should be disconnected */ |
|
|
|
if (video_is_registered(&dev->radio_dev)) |
|
video_unregister_device(&dev->radio_dev); |
|
if (video_is_registered(&dev->vbi_dev)) { |
|
dev_info(dev->dev, "V4L2 device %s deregistered\n", |
|
video_device_node_name(&dev->vbi_dev)); |
|
video_unregister_device(&dev->vbi_dev); |
|
} |
|
if (video_is_registered(&dev->vdev)) { |
|
dev_info(dev->dev, "V4L2 device %s deregistered\n", |
|
video_device_node_name(&dev->vdev)); |
|
|
|
if (dev->board.has_417) |
|
cx231xx_417_unregister(dev); |
|
|
|
video_unregister_device(&dev->vdev); |
|
} |
|
v4l2_ctrl_handler_free(&dev->ctrl_handler); |
|
v4l2_ctrl_handler_free(&dev->radio_ctrl_handler); |
|
} |
|
|
|
/* |
|
* cx231xx_close() |
|
* stops streaming and deallocates all resources allocated by the v4l2 |
|
* calls and ioctls |
|
*/ |
|
static int cx231xx_close(struct file *filp) |
|
{ |
|
struct cx231xx *dev = video_drvdata(filp); |
|
struct video_device *vdev = video_devdata(filp); |
|
|
|
_vb2_fop_release(filp, NULL); |
|
|
|
if (--dev->users == 0) { |
|
/* Save some power by putting tuner to sleep */ |
|
call_all(dev, tuner, standby); |
|
|
|
/* do this before setting alternate! */ |
|
if (dev->USE_ISO) |
|
cx231xx_uninit_isoc(dev); |
|
else |
|
cx231xx_uninit_bulk(dev); |
|
cx231xx_set_mode(dev, CX231XX_SUSPEND); |
|
} |
|
|
|
/* |
|
* 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 && vdev->vfl_type == VFL_TYPE_VBI) { |
|
/* 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); |
|
|
|
wake_up_interruptible_nr(&dev->open, 1); |
|
return 0; |
|
} |
|
|
|
if (dev->users == 0) { |
|
/* set alternate 0 */ |
|
cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); |
|
} |
|
|
|
wake_up_interruptible(&dev->open); |
|
return 0; |
|
} |
|
|
|
static int cx231xx_v4l2_close(struct file *filp) |
|
{ |
|
struct cx231xx *dev = video_drvdata(filp); |
|
int rc; |
|
|
|
mutex_lock(&dev->lock); |
|
rc = cx231xx_close(filp); |
|
mutex_unlock(&dev->lock); |
|
return rc; |
|
} |
|
|
|
static const struct v4l2_file_operations cx231xx_v4l_fops = { |
|
.owner = THIS_MODULE, |
|
.open = cx231xx_v4l2_open, |
|
.release = cx231xx_v4l2_close, |
|
.read = vb2_fop_read, |
|
.poll = vb2_fop_poll, |
|
.mmap = vb2_fop_mmap, |
|
.unlocked_ioctl = video_ioctl2, |
|
}; |
|
|
|
static const struct v4l2_ioctl_ops video_ioctl_ops = { |
|
.vidioc_querycap = cx231xx_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_s_fmt_vbi_cap, |
|
.vidioc_g_pixelaspect = vidioc_g_pixelaspect, |
|
.vidioc_g_selection = vidioc_g_selection, |
|
.vidioc_reqbufs = vb2_ioctl_reqbufs, |
|
.vidioc_querybuf = vb2_ioctl_querybuf, |
|
.vidioc_qbuf = vb2_ioctl_qbuf, |
|
.vidioc_dqbuf = vb2_ioctl_dqbuf, |
|
.vidioc_s_std = vidioc_s_std, |
|
.vidioc_g_std = vidioc_g_std, |
|
.vidioc_enum_input = cx231xx_enum_input, |
|
.vidioc_g_input = cx231xx_g_input, |
|
.vidioc_s_input = cx231xx_s_input, |
|
.vidioc_streamon = vb2_ioctl_streamon, |
|
.vidioc_streamoff = vb2_ioctl_streamoff, |
|
.vidioc_g_tuner = cx231xx_g_tuner, |
|
.vidioc_s_tuner = cx231xx_s_tuner, |
|
.vidioc_g_frequency = cx231xx_g_frequency, |
|
.vidioc_s_frequency = cx231xx_s_frequency, |
|
#ifdef CONFIG_VIDEO_ADV_DEBUG |
|
.vidioc_g_chip_info = cx231xx_g_chip_info, |
|
.vidioc_g_register = cx231xx_g_register, |
|
.vidioc_s_register = cx231xx_s_register, |
|
#endif |
|
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
|
.vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
|
}; |
|
|
|
static struct video_device cx231xx_vbi_template; |
|
|
|
static const struct video_device cx231xx_video_template = { |
|
.fops = &cx231xx_v4l_fops, |
|
.release = video_device_release_empty, |
|
.ioctl_ops = &video_ioctl_ops, |
|
.tvnorms = V4L2_STD_ALL, |
|
}; |
|
|
|
static const struct v4l2_file_operations radio_fops = { |
|
.owner = THIS_MODULE, |
|
.open = cx231xx_v4l2_open, |
|
.release = cx231xx_v4l2_close, |
|
.poll = v4l2_ctrl_poll, |
|
.unlocked_ioctl = video_ioctl2, |
|
}; |
|
|
|
static const struct v4l2_ioctl_ops radio_ioctl_ops = { |
|
.vidioc_querycap = cx231xx_querycap, |
|
.vidioc_g_tuner = radio_g_tuner, |
|
.vidioc_s_tuner = radio_s_tuner, |
|
.vidioc_g_frequency = cx231xx_g_frequency, |
|
.vidioc_s_frequency = cx231xx_s_frequency, |
|
#ifdef CONFIG_VIDEO_ADV_DEBUG |
|
.vidioc_g_chip_info = cx231xx_g_chip_info, |
|
.vidioc_g_register = cx231xx_g_register, |
|
.vidioc_s_register = cx231xx_s_register, |
|
#endif |
|
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
|
.vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
|
}; |
|
|
|
static struct video_device cx231xx_radio_template = { |
|
.name = "cx231xx-radio", |
|
.fops = &radio_fops, |
|
.ioctl_ops = &radio_ioctl_ops, |
|
}; |
|
|
|
/******************************** usb interface ******************************/ |
|
|
|
static void cx231xx_vdev_init(struct cx231xx *dev, |
|
struct video_device *vfd, |
|
const struct video_device *template, |
|
const char *type_name) |
|
{ |
|
*vfd = *template; |
|
vfd->v4l2_dev = &dev->v4l2_dev; |
|
vfd->release = video_device_release_empty; |
|
vfd->lock = &dev->lock; |
|
|
|
snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); |
|
|
|
video_set_drvdata(vfd, dev); |
|
if (dev->tuner_type == TUNER_ABSENT) { |
|
switch (dev->model) { |
|
case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx: |
|
case CX231XX_BOARD_HAUPPAUGE_935C: |
|
case CX231XX_BOARD_HAUPPAUGE_955Q: |
|
case CX231XX_BOARD_HAUPPAUGE_975: |
|
case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD: |
|
break; |
|
default: |
|
v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY); |
|
v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY); |
|
v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER); |
|
v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER); |
|
break; |
|
} |
|
} |
|
} |
|
|
|
int cx231xx_register_analog_devices(struct cx231xx *dev) |
|
{ |
|
struct vb2_queue *q; |
|
int ret; |
|
|
|
dev_info(dev->dev, "v4l2 driver version %s\n", CX231XX_VERSION); |
|
|
|
/* set default norm */ |
|
dev->norm = V4L2_STD_PAL; |
|
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); |
|
|
|
call_all(dev, video, s_std, dev->norm); |
|
|
|
v4l2_ctrl_handler_init(&dev->ctrl_handler, 10); |
|
v4l2_ctrl_handler_init(&dev->radio_ctrl_handler, 5); |
|
|
|
if (dev->sd_cx25840) { |
|
v4l2_ctrl_add_handler(&dev->ctrl_handler, |
|
dev->sd_cx25840->ctrl_handler, NULL, true); |
|
v4l2_ctrl_add_handler(&dev->radio_ctrl_handler, |
|
dev->sd_cx25840->ctrl_handler, |
|
v4l2_ctrl_radio_filter, true); |
|
} |
|
|
|
if (dev->ctrl_handler.error) |
|
return dev->ctrl_handler.error; |
|
if (dev->radio_ctrl_handler.error) |
|
return dev->radio_ctrl_handler.error; |
|
|
|
/* enable vbi capturing */ |
|
/* write code here... */ |
|
|
|
/* allocate and fill video video_device struct */ |
|
cx231xx_vdev_init(dev, &dev->vdev, &cx231xx_video_template, "video"); |
|
#if defined(CONFIG_MEDIA_CONTROLLER) |
|
dev->video_pad.flags = MEDIA_PAD_FL_SINK; |
|
ret = media_entity_pads_init(&dev->vdev.entity, 1, &dev->video_pad); |
|
if (ret < 0) |
|
dev_err(dev->dev, "failed to initialize video media entity!\n"); |
|
#endif |
|
dev->vdev.ctrl_handler = &dev->ctrl_handler; |
|
|
|
q = &dev->vidq; |
|
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
|
q->io_modes = VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ; |
|
q->drv_priv = dev; |
|
q->buf_struct_size = sizeof(struct cx231xx_buffer); |
|
q->ops = &cx231xx_video_qops; |
|
q->mem_ops = &vb2_vmalloc_memops; |
|
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
|
q->min_buffers_needed = 1; |
|
q->lock = &dev->lock; |
|
ret = vb2_queue_init(q); |
|
if (ret) |
|
return ret; |
|
dev->vdev.queue = q; |
|
dev->vdev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | |
|
V4L2_CAP_VIDEO_CAPTURE; |
|
|
|
switch (dev->model) { /* i2c device tuners */ |
|
case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx: |
|
case CX231XX_BOARD_HAUPPAUGE_935C: |
|
case CX231XX_BOARD_HAUPPAUGE_955Q: |
|
case CX231XX_BOARD_HAUPPAUGE_975: |
|
case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD: |
|
dev->vdev.device_caps |= V4L2_CAP_TUNER; |
|
break; |
|
default: |
|
if (dev->tuner_type != TUNER_ABSENT) |
|
dev->vdev.device_caps |= V4L2_CAP_TUNER; |
|
break; |
|
} |
|
|
|
/* register v4l2 video video_device */ |
|
ret = video_register_device(&dev->vdev, VFL_TYPE_VIDEO, |
|
video_nr[dev->devno]); |
|
if (ret) { |
|
dev_err(dev->dev, |
|
"unable to register video device (error=%i).\n", |
|
ret); |
|
return ret; |
|
} |
|
|
|
dev_info(dev->dev, "Registered video device %s [v4l2]\n", |
|
video_device_node_name(&dev->vdev)); |
|
|
|
/* Initialize VBI template */ |
|
cx231xx_vbi_template = cx231xx_video_template; |
|
strscpy(cx231xx_vbi_template.name, "cx231xx-vbi", |
|
sizeof(cx231xx_vbi_template.name)); |
|
|
|
/* Allocate and fill vbi video_device struct */ |
|
cx231xx_vdev_init(dev, &dev->vbi_dev, &cx231xx_vbi_template, "vbi"); |
|
|
|
#if defined(CONFIG_MEDIA_CONTROLLER) |
|
dev->vbi_pad.flags = MEDIA_PAD_FL_SINK; |
|
ret = media_entity_pads_init(&dev->vbi_dev.entity, 1, &dev->vbi_pad); |
|
if (ret < 0) |
|
dev_err(dev->dev, "failed to initialize vbi media entity!\n"); |
|
#endif |
|
dev->vbi_dev.ctrl_handler = &dev->ctrl_handler; |
|
|
|
q = &dev->vbiq; |
|
q->type = V4L2_BUF_TYPE_VBI_CAPTURE; |
|
q->io_modes = VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ; |
|
q->drv_priv = dev; |
|
q->buf_struct_size = sizeof(struct cx231xx_buffer); |
|
q->ops = &cx231xx_vbi_qops; |
|
q->mem_ops = &vb2_vmalloc_memops; |
|
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
|
q->min_buffers_needed = 1; |
|
q->lock = &dev->lock; |
|
ret = vb2_queue_init(q); |
|
if (ret) |
|
return ret; |
|
dev->vbi_dev.queue = q; |
|
dev->vbi_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | |
|
V4L2_CAP_VBI_CAPTURE; |
|
switch (dev->model) { /* i2c device tuners */ |
|
case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx: |
|
case CX231XX_BOARD_HAUPPAUGE_935C: |
|
case CX231XX_BOARD_HAUPPAUGE_955Q: |
|
case CX231XX_BOARD_HAUPPAUGE_975: |
|
case CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD: |
|
dev->vbi_dev.device_caps |= V4L2_CAP_TUNER; |
|
break; |
|
default: |
|
if (dev->tuner_type != TUNER_ABSENT) |
|
dev->vbi_dev.device_caps |= V4L2_CAP_TUNER; |
|
} |
|
|
|
/* register v4l2 vbi video_device */ |
|
ret = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI, |
|
vbi_nr[dev->devno]); |
|
if (ret < 0) { |
|
dev_err(dev->dev, "unable to register vbi device\n"); |
|
return ret; |
|
} |
|
|
|
dev_info(dev->dev, "Registered VBI device %s\n", |
|
video_device_node_name(&dev->vbi_dev)); |
|
|
|
if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) { |
|
cx231xx_vdev_init(dev, &dev->radio_dev, |
|
&cx231xx_radio_template, "radio"); |
|
dev->radio_dev.ctrl_handler = &dev->radio_ctrl_handler; |
|
dev->radio_dev.device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER; |
|
ret = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO, |
|
radio_nr[dev->devno]); |
|
if (ret < 0) { |
|
dev_err(dev->dev, |
|
"can't register radio device\n"); |
|
return ret; |
|
} |
|
dev_info(dev->dev, "Registered radio device as %s\n", |
|
video_device_node_name(&dev->radio_dev)); |
|
} |
|
|
|
return 0; |
|
}
|
|
|