From ba366a23b68029fc8560acf1ad8735eed910f962 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 23 Aug 2007 18:12:08 -0300 Subject: V4L/DVB (6257): Rename video-buf-dvb to videobuf-dvb to be consistent with the other patches Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/Makefile | 2 +- drivers/media/video/cx88/cx88.h | 2 +- drivers/media/video/saa7134/saa7134.h | 2 +- drivers/media/video/video-buf-dvb.c | 256 ---------------------------------- drivers/media/video/videobuf-dvb.c | 256 ++++++++++++++++++++++++++++++++++ 5 files changed, 259 insertions(+), 259 deletions(-) delete mode 100644 drivers/media/video/video-buf-dvb.c create mode 100644 drivers/media/video/videobuf-dvb.c (limited to 'drivers/media') diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index c8140aec1a1..b5a064163e0 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -90,7 +90,7 @@ obj-$(CONFIG_TUNER_TEA5761) += tea5761.o obj-$(CONFIG_VIDEOBUF_GEN) += videobuf-core.o obj-$(CONFIG_VIDEOBUF_DMA_SG) += videobuf-dma-sg.o obj-$(CONFIG_VIDEOBUF_VMALLOC) += videobuf-vmalloc.o -obj-$(CONFIG_VIDEO_BUF_DVB) += video-buf-dvb.o +obj-$(CONFIG_VIDEOBUF_DVB) += videobuf-dvb.o obj-$(CONFIG_VIDEO_BTCX) += btcx-risc.o obj-$(CONFIG_VIDEO_TVEEPROM) += tveeprom.o diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index 875a9abab2a..b3fe2d59cd1 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -32,7 +32,7 @@ #include #include #if defined(CONFIG_VIDEO_BUF_DVB) || defined(CONFIG_VIDEO_BUF_DVB_MODULE) -#include +#include #endif #include "btcx-risc.h" diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index dae608f9bf3..cb617c8dbb7 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -42,7 +42,7 @@ #include #include #if defined(CONFIG_VIDEO_BUF_DVB) || defined(CONFIG_VIDEO_BUF_DVB_MODULE) -#include +#include #endif #define UNSET (-1U) diff --git a/drivers/media/video/video-buf-dvb.c b/drivers/media/video/video-buf-dvb.c deleted file mode 100644 index 9631ead297e..00000000000 --- a/drivers/media/video/video-buf-dvb.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - * - * some helper function for simple DVB cards which simply DMA the - * complete transport stream and let the computer sort everything else - * (i.e. we are using the software demux, ...). Also uses the - * video-buf to manage DMA buffers. - * - * (c) 2004 Gerd Knorr [SUSE Labs] - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - - -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -/* ------------------------------------------------------------------ */ - -MODULE_AUTHOR("Gerd Knorr [SuSE Labs]"); -MODULE_LICENSE("GPL"); - -static unsigned int debug = 0; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug,"enable debug messages"); - -#define dprintk(fmt, arg...) if (debug) \ - printk(KERN_DEBUG "%s/dvb: " fmt, dvb->name , ## arg) - -/* ------------------------------------------------------------------ */ - -static int videobuf_dvb_thread(void *data) -{ - struct videobuf_dvb *dvb = data; - struct videobuf_buffer *buf; - unsigned long flags; - int err; - struct videobuf_dmabuf *dma; - - dprintk("dvb thread started\n"); - set_freezable(); - videobuf_read_start(&dvb->dvbq); - - for (;;) { - /* fetch next buffer */ - buf = list_entry(dvb->dvbq.stream.next, - struct videobuf_buffer, stream); - list_del(&buf->stream); - err = videobuf_waiton(buf,0,1); - - /* no more feeds left or stop_feed() asked us to quit */ - if (0 == dvb->nfeeds) - break; - if (kthread_should_stop()) - break; - try_to_freeze(); - - /* feed buffer data to demux */ - dma=videobuf_to_dma(buf); - if (buf->state == STATE_DONE) - dvb_dmx_swfilter(&dvb->demux, dma->vmalloc, - buf->size); - - /* requeue buffer */ - list_add_tail(&buf->stream,&dvb->dvbq.stream); - spin_lock_irqsave(dvb->dvbq.irqlock,flags); - dvb->dvbq.ops->buf_queue(&dvb->dvbq,buf); - spin_unlock_irqrestore(dvb->dvbq.irqlock,flags); - } - - videobuf_read_stop(&dvb->dvbq); - dprintk("dvb thread stopped\n"); - - /* Hmm, linux becomes *very* unhappy without this ... */ - while (!kthread_should_stop()) { - set_current_state(TASK_INTERRUPTIBLE); - schedule(); - } - return 0; -} - -static int videobuf_dvb_start_feed(struct dvb_demux_feed *feed) -{ - struct dvb_demux *demux = feed->demux; - struct videobuf_dvb *dvb = demux->priv; - int rc; - - if (!demux->dmx.frontend) - return -EINVAL; - - mutex_lock(&dvb->lock); - dvb->nfeeds++; - rc = dvb->nfeeds; - - if (NULL != dvb->thread) - goto out; - dvb->thread = kthread_run(videobuf_dvb_thread, - dvb, "%s dvb", dvb->name); - if (IS_ERR(dvb->thread)) { - rc = PTR_ERR(dvb->thread); - dvb->thread = NULL; - } - -out: - mutex_unlock(&dvb->lock); - return rc; -} - -static int videobuf_dvb_stop_feed(struct dvb_demux_feed *feed) -{ - struct dvb_demux *demux = feed->demux; - struct videobuf_dvb *dvb = demux->priv; - int err = 0; - - mutex_lock(&dvb->lock); - dvb->nfeeds--; - if (0 == dvb->nfeeds && NULL != dvb->thread) { - // FIXME: cx8802_cancel_buffers(dev); - err = kthread_stop(dvb->thread); - dvb->thread = NULL; - } - mutex_unlock(&dvb->lock); - return err; -} - -/* ------------------------------------------------------------------ */ - -int videobuf_dvb_register(struct videobuf_dvb *dvb, - struct module *module, - void *adapter_priv, - struct device *device) -{ - int result; - - mutex_init(&dvb->lock); - - /* register adapter */ - result = dvb_register_adapter(&dvb->adapter, dvb->name, module, device); - if (result < 0) { - printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n", - dvb->name, result); - goto fail_adapter; - } - dvb->adapter.priv = adapter_priv; - - /* register frontend */ - result = dvb_register_frontend(&dvb->adapter, dvb->frontend); - if (result < 0) { - printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n", - dvb->name, result); - goto fail_frontend; - } - - /* register demux stuff */ - dvb->demux.dmx.capabilities = - DMX_TS_FILTERING | DMX_SECTION_FILTERING | - DMX_MEMORY_BASED_FILTERING; - dvb->demux.priv = dvb; - dvb->demux.filternum = 256; - dvb->demux.feednum = 256; - dvb->demux.start_feed = videobuf_dvb_start_feed; - dvb->demux.stop_feed = videobuf_dvb_stop_feed; - result = dvb_dmx_init(&dvb->demux); - if (result < 0) { - printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n", - dvb->name, result); - goto fail_dmx; - } - - dvb->dmxdev.filternum = 256; - dvb->dmxdev.demux = &dvb->demux.dmx; - dvb->dmxdev.capabilities = 0; - result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); - if (result < 0) { - printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n", - dvb->name, result); - goto fail_dmxdev; - } - - dvb->fe_hw.source = DMX_FRONTEND_0; - result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); - if (result < 0) { - printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", - dvb->name, result); - goto fail_fe_hw; - } - - dvb->fe_mem.source = DMX_MEMORY_FE; - result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); - if (result < 0) { - printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", - dvb->name, result); - goto fail_fe_mem; - } - - result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); - if (result < 0) { - printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n", - dvb->name, result); - goto fail_fe_conn; - } - - /* register network adapter */ - dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); - return 0; - -fail_fe_conn: - dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); -fail_fe_mem: - dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); -fail_fe_hw: - dvb_dmxdev_release(&dvb->dmxdev); -fail_dmxdev: - dvb_dmx_release(&dvb->demux); -fail_dmx: - dvb_unregister_frontend(dvb->frontend); -fail_frontend: - dvb_frontend_detach(dvb->frontend); - dvb_unregister_adapter(&dvb->adapter); -fail_adapter: - return result; -} - -void videobuf_dvb_unregister(struct videobuf_dvb *dvb) -{ - dvb_net_release(&dvb->net); - dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); - dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); - dvb_dmxdev_release(&dvb->dmxdev); - dvb_dmx_release(&dvb->demux); - dvb_unregister_frontend(dvb->frontend); - dvb_frontend_detach(dvb->frontend); - dvb_unregister_adapter(&dvb->adapter); -} - -EXPORT_SYMBOL(videobuf_dvb_register); -EXPORT_SYMBOL(videobuf_dvb_unregister); - -/* ------------------------------------------------------------------ */ -/* - * Local variables: - * c-basic-offset: 8 - * compile-command: "make DVB=1" - * End: - */ - diff --git a/drivers/media/video/videobuf-dvb.c b/drivers/media/video/videobuf-dvb.c new file mode 100644 index 00000000000..880317e04a0 --- /dev/null +++ b/drivers/media/video/videobuf-dvb.c @@ -0,0 +1,256 @@ +/* + * + * some helper function for simple DVB cards which simply DMA the + * complete transport stream and let the computer sort everything else + * (i.e. we are using the software demux, ...). Also uses the + * video-buf to manage DMA buffers. + * + * (c) 2004 Gerd Knorr [SUSE Labs] + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + + +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +/* ------------------------------------------------------------------ */ + +MODULE_AUTHOR("Gerd Knorr [SuSE Labs]"); +MODULE_LICENSE("GPL"); + +static unsigned int debug = 0; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug,"enable debug messages"); + +#define dprintk(fmt, arg...) if (debug) \ + printk(KERN_DEBUG "%s/dvb: " fmt, dvb->name , ## arg) + +/* ------------------------------------------------------------------ */ + +static int videobuf_dvb_thread(void *data) +{ + struct videobuf_dvb *dvb = data; + struct videobuf_buffer *buf; + unsigned long flags; + int err; + struct videobuf_dmabuf *dma; + + dprintk("dvb thread started\n"); + set_freezable(); + videobuf_read_start(&dvb->dvbq); + + for (;;) { + /* fetch next buffer */ + buf = list_entry(dvb->dvbq.stream.next, + struct videobuf_buffer, stream); + list_del(&buf->stream); + err = videobuf_waiton(buf,0,1); + + /* no more feeds left or stop_feed() asked us to quit */ + if (0 == dvb->nfeeds) + break; + if (kthread_should_stop()) + break; + try_to_freeze(); + + /* feed buffer data to demux */ + dma=videobuf_to_dma(buf); + if (buf->state == STATE_DONE) + dvb_dmx_swfilter(&dvb->demux, dma->vmalloc, + buf->size); + + /* requeue buffer */ + list_add_tail(&buf->stream,&dvb->dvbq.stream); + spin_lock_irqsave(dvb->dvbq.irqlock,flags); + dvb->dvbq.ops->buf_queue(&dvb->dvbq,buf); + spin_unlock_irqrestore(dvb->dvbq.irqlock,flags); + } + + videobuf_read_stop(&dvb->dvbq); + dprintk("dvb thread stopped\n"); + + /* Hmm, linux becomes *very* unhappy without this ... */ + while (!kthread_should_stop()) { + set_current_state(TASK_INTERRUPTIBLE); + schedule(); + } + return 0; +} + +static int videobuf_dvb_start_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct videobuf_dvb *dvb = demux->priv; + int rc; + + if (!demux->dmx.frontend) + return -EINVAL; + + mutex_lock(&dvb->lock); + dvb->nfeeds++; + rc = dvb->nfeeds; + + if (NULL != dvb->thread) + goto out; + dvb->thread = kthread_run(videobuf_dvb_thread, + dvb, "%s dvb", dvb->name); + if (IS_ERR(dvb->thread)) { + rc = PTR_ERR(dvb->thread); + dvb->thread = NULL; + } + +out: + mutex_unlock(&dvb->lock); + return rc; +} + +static int videobuf_dvb_stop_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct videobuf_dvb *dvb = demux->priv; + int err = 0; + + mutex_lock(&dvb->lock); + dvb->nfeeds--; + if (0 == dvb->nfeeds && NULL != dvb->thread) { + // FIXME: cx8802_cancel_buffers(dev); + err = kthread_stop(dvb->thread); + dvb->thread = NULL; + } + mutex_unlock(&dvb->lock); + return err; +} + +/* ------------------------------------------------------------------ */ + +int videobuf_dvb_register(struct videobuf_dvb *dvb, + struct module *module, + void *adapter_priv, + struct device *device) +{ + int result; + + mutex_init(&dvb->lock); + + /* register adapter */ + result = dvb_register_adapter(&dvb->adapter, dvb->name, module, device); + if (result < 0) { + printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n", + dvb->name, result); + goto fail_adapter; + } + dvb->adapter.priv = adapter_priv; + + /* register frontend */ + result = dvb_register_frontend(&dvb->adapter, dvb->frontend); + if (result < 0) { + printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n", + dvb->name, result); + goto fail_frontend; + } + + /* register demux stuff */ + dvb->demux.dmx.capabilities = + DMX_TS_FILTERING | DMX_SECTION_FILTERING | + DMX_MEMORY_BASED_FILTERING; + dvb->demux.priv = dvb; + dvb->demux.filternum = 256; + dvb->demux.feednum = 256; + dvb->demux.start_feed = videobuf_dvb_start_feed; + dvb->demux.stop_feed = videobuf_dvb_stop_feed; + result = dvb_dmx_init(&dvb->demux); + if (result < 0) { + printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n", + dvb->name, result); + goto fail_dmx; + } + + dvb->dmxdev.filternum = 256; + dvb->dmxdev.demux = &dvb->demux.dmx; + dvb->dmxdev.capabilities = 0; + result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); + if (result < 0) { + printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n", + dvb->name, result); + goto fail_dmxdev; + } + + dvb->fe_hw.source = DMX_FRONTEND_0; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", + dvb->name, result); + goto fail_fe_hw; + } + + dvb->fe_mem.source = DMX_MEMORY_FE; + result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); + if (result < 0) { + printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", + dvb->name, result); + goto fail_fe_mem; + } + + result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); + if (result < 0) { + printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n", + dvb->name, result); + goto fail_fe_conn; + } + + /* register network adapter */ + dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); + return 0; + +fail_fe_conn: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); +fail_fe_mem: + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); +fail_fe_hw: + dvb_dmxdev_release(&dvb->dmxdev); +fail_dmxdev: + dvb_dmx_release(&dvb->demux); +fail_dmx: + dvb_unregister_frontend(dvb->frontend); +fail_frontend: + dvb_frontend_detach(dvb->frontend); + dvb_unregister_adapter(&dvb->adapter); +fail_adapter: + return result; +} + +void videobuf_dvb_unregister(struct videobuf_dvb *dvb) +{ + dvb_net_release(&dvb->net); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); + dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); + dvb_dmxdev_release(&dvb->dmxdev); + dvb_dmx_release(&dvb->demux); + dvb_unregister_frontend(dvb->frontend); + dvb_frontend_detach(dvb->frontend); + dvb_unregister_adapter(&dvb->adapter); +} + +EXPORT_SYMBOL(videobuf_dvb_register); +EXPORT_SYMBOL(videobuf_dvb_unregister); + +/* ------------------------------------------------------------------ */ +/* + * Local variables: + * c-basic-offset: 8 + * compile-command: "make DVB=1" + * End: + */ + -- cgit v1.2.3