diff --git a/drivers/media/v4l2-core/Kconfig b/drivers/media/v4l2-core/Kconfig index 8e37e7c5e0f7e2..2a56f37f186bbe 100644 --- a/drivers/media/v4l2-core/Kconfig +++ b/drivers/media/v4l2-core/Kconfig @@ -76,7 +76,3 @@ config VIDEOBUF_DMA_CONTIG tristate depends on HAS_DMA select VIDEOBUF_GEN - -config VIDEOBUF_DVB - tristate - select VIDEOBUF_GEN diff --git a/drivers/media/v4l2-core/Makefile b/drivers/media/v4l2-core/Makefile index 7df54582e95689..9ee57e1efefed1 100644 --- a/drivers/media/v4l2-core/Makefile +++ b/drivers/media/v4l2-core/Makefile @@ -31,7 +31,6 @@ obj-$(CONFIG_VIDEOBUF_GEN) += videobuf-core.o obj-$(CONFIG_VIDEOBUF_DMA_SG) += videobuf-dma-sg.o obj-$(CONFIG_VIDEOBUF_DMA_CONTIG) += videobuf-dma-contig.o obj-$(CONFIG_VIDEOBUF_VMALLOC) += videobuf-vmalloc.o -obj-$(CONFIG_VIDEOBUF_DVB) += videobuf-dvb.o ccflags-y += -I$(srctree)/drivers/media/dvb-frontends ccflags-y += -I$(srctree)/drivers/media/tuners diff --git a/drivers/media/v4l2-core/videobuf-dvb.c b/drivers/media/v4l2-core/videobuf-dvb.c deleted file mode 100644 index b7efa4516d3679..00000000000000 --- a/drivers/media/v4l2-core/videobuf-dvb.c +++ /dev/null @@ -1,398 +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 -#include - -/* ------------------------------------------------------------------ */ - -MODULE_AUTHOR("Gerd Knorr [SuSE Labs]"); -MODULE_LICENSE("GPL"); - -static unsigned int debug; -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; - void *outp; - - 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); - videobuf_waiton(&dvb->dvbq, 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 */ - outp = videobuf_queue_to_vaddr(&dvb->dvbq, buf); - - if (buf->state == VIDEOBUF_DONE) - dvb_dmx_swfilter(&dvb->demux, outp, - 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) { - err = kthread_stop(dvb->thread); - dvb->thread = NULL; - } - mutex_unlock(&dvb->lock); - return err; -} - -static int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *fe, - struct module *module, - void *adapter_priv, - struct device *device, - char *adapter_name, - short *adapter_nr, - int mfe_shared) -{ - int result; - - mutex_init(&fe->lock); - - /* register adapter */ - result = dvb_register_adapter(&fe->adapter, adapter_name, module, - device, adapter_nr); - if (result < 0) { - printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n", - adapter_name, result); - } - fe->adapter.priv = adapter_priv; - fe->adapter.mfe_shared = mfe_shared; - - return result; -} - -static int videobuf_dvb_register_frontend(struct dvb_adapter *adapter, - struct videobuf_dvb *dvb) -{ - int result; - - /* register frontend */ - result = dvb_register_frontend(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, 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 */ - result = dvb_net_init(adapter, &dvb->net, &dvb->demux.dmx); - if (result < 0) { - printk(KERN_WARNING "%s: dvb_net_init failed (errno = %d)\n", - dvb->name, result); - goto fail_fe_conn; - } - 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->frontend = NULL; - - return result; -} - -/* ------------------------------------------------------------------ */ -/* Register a single adapter and one or more frontends */ -int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f, - struct module *module, - void *adapter_priv, - struct device *device, - short *adapter_nr, - int mfe_shared) -{ - struct list_head *list, *q; - struct videobuf_dvb_frontend *fe; - int res; - - fe = videobuf_dvb_get_frontend(f, 1); - if (!fe) { - printk(KERN_WARNING "Unable to register the adapter which has no frontends\n"); - return -EINVAL; - } - - /* Bring up the adapter */ - res = videobuf_dvb_register_adapter(f, module, adapter_priv, device, - fe->dvb.name, adapter_nr, mfe_shared); - if (res < 0) { - printk(KERN_WARNING "videobuf_dvb_register_adapter failed (errno = %d)\n", res); - return res; - } - - /* Attach all of the frontends to the adapter */ - mutex_lock(&f->lock); - list_for_each_safe(list, q, &f->felist) { - fe = list_entry(list, struct videobuf_dvb_frontend, felist); - res = videobuf_dvb_register_frontend(&f->adapter, &fe->dvb); - if (res < 0) { - printk(KERN_WARNING "%s: videobuf_dvb_register_frontend failed (errno = %d)\n", - fe->dvb.name, res); - goto err; - } - } - mutex_unlock(&f->lock); - return 0; - -err: - mutex_unlock(&f->lock); - videobuf_dvb_unregister_bus(f); - return res; -} -EXPORT_SYMBOL(videobuf_dvb_register_bus); - -void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f) -{ - videobuf_dvb_dealloc_frontends(f); - - dvb_unregister_adapter(&f->adapter); -} -EXPORT_SYMBOL(videobuf_dvb_unregister_bus); - -struct videobuf_dvb_frontend *videobuf_dvb_get_frontend( - struct videobuf_dvb_frontends *f, int id) -{ - struct list_head *list, *q; - struct videobuf_dvb_frontend *fe, *ret = NULL; - - mutex_lock(&f->lock); - - list_for_each_safe(list, q, &f->felist) { - fe = list_entry(list, struct videobuf_dvb_frontend, felist); - if (fe->id == id) { - ret = fe; - break; - } - } - - mutex_unlock(&f->lock); - - return ret; -} -EXPORT_SYMBOL(videobuf_dvb_get_frontend); - -int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, - struct dvb_frontend *p) -{ - struct list_head *list, *q; - struct videobuf_dvb_frontend *fe = NULL; - int ret = 0; - - mutex_lock(&f->lock); - - list_for_each_safe(list, q, &f->felist) { - fe = list_entry(list, struct videobuf_dvb_frontend, felist); - if (fe->dvb.frontend == p) { - ret = fe->id; - break; - } - } - - mutex_unlock(&f->lock); - - return ret; -} -EXPORT_SYMBOL(videobuf_dvb_find_frontend); - -struct videobuf_dvb_frontend *videobuf_dvb_alloc_frontend( - struct videobuf_dvb_frontends *f, int id) -{ - struct videobuf_dvb_frontend *fe; - - fe = kzalloc(sizeof(struct videobuf_dvb_frontend), GFP_KERNEL); - if (fe == NULL) - goto fail_alloc; - - fe->id = id; - mutex_init(&fe->dvb.lock); - - mutex_lock(&f->lock); - list_add_tail(&fe->felist, &f->felist); - mutex_unlock(&f->lock); - -fail_alloc: - return fe; -} -EXPORT_SYMBOL(videobuf_dvb_alloc_frontend); - -void videobuf_dvb_dealloc_frontends(struct videobuf_dvb_frontends *f) -{ - struct list_head *list, *q; - struct videobuf_dvb_frontend *fe; - - mutex_lock(&f->lock); - list_for_each_safe(list, q, &f->felist) { - fe = list_entry(list, struct videobuf_dvb_frontend, felist); - if (fe->dvb.net.dvbdev) { - dvb_net_release(&fe->dvb.net); - fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx, - &fe->dvb.fe_mem); - fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx, - &fe->dvb.fe_hw); - dvb_dmxdev_release(&fe->dvb.dmxdev); - dvb_dmx_release(&fe->dvb.demux); - dvb_unregister_frontend(fe->dvb.frontend); - } - if (fe->dvb.frontend) - /* always allocated, may have been reset */ - dvb_frontend_detach(fe->dvb.frontend); - list_del(list); /* remove list entry */ - kfree(fe); /* free frontend allocation */ - } - mutex_unlock(&f->lock); -} -EXPORT_SYMBOL(videobuf_dvb_dealloc_frontends); diff --git a/include/media/videobuf-dvb.h b/include/media/videobuf-dvb.h deleted file mode 100644 index c9c81990a56cc1..00000000000000 --- a/include/media/videobuf-dvb.h +++ /dev/null @@ -1,59 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#include -#include -#include -#include -#include - -#ifndef _VIDEOBUF_DVB_H_ -#define _VIDEOBUF_DVB_H_ - -struct videobuf_dvb { - /* filling that the job of the driver */ - char *name; - struct dvb_frontend *frontend; - struct videobuf_queue dvbq; - - /* video-buf-dvb state info */ - struct mutex lock; - struct task_struct *thread; - int nfeeds; - - /* videobuf_dvb_(un)register manges this */ - struct dvb_demux demux; - struct dmxdev dmxdev; - struct dmx_frontend fe_hw; - struct dmx_frontend fe_mem; - struct dvb_net net; -}; - -struct videobuf_dvb_frontend { - struct list_head felist; - int id; - struct videobuf_dvb dvb; -}; - -struct videobuf_dvb_frontends { - struct list_head felist; - struct mutex lock; - struct dvb_adapter adapter; - int active_fe_id; /* Indicates which frontend in the felist is in use */ - int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */ -}; - -int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f, - struct module *module, - void *adapter_priv, - struct device *device, - short *adapter_nr, - int mfe_shared); - -void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f); - -struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(struct videobuf_dvb_frontends *f, int id); -void videobuf_dvb_dealloc_frontends(struct videobuf_dvb_frontends *f); - -struct videobuf_dvb_frontend * videobuf_dvb_get_frontend(struct videobuf_dvb_frontends *f, int id); -int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, struct dvb_frontend *p); - -#endif /* _VIDEOBUF_DVB_H_ */