![Ingo Molnar](/assets/img/avatar_default.png)
- Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
1158 lines
31 KiB
C
1158 lines
31 KiB
C
/*
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*
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* device driver for philips saa7134 based TV cards
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* driver core
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*
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* (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/config.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/moduleparam.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/kmod.h>
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#include <linux/sound.h>
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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#include <linux/mutex.h>
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#include "saa7134-reg.h"
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#include "saa7134.h"
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MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
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MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
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MODULE_LICENSE("GPL");
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/* ------------------------------------------------------------------ */
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static unsigned int irq_debug = 0;
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module_param(irq_debug, int, 0644);
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MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
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static unsigned int core_debug = 0;
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module_param(core_debug, int, 0644);
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MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
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static unsigned int gpio_tracking = 0;
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module_param(gpio_tracking, int, 0644);
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MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
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static unsigned int alsa = 0;
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module_param(alsa, int, 0644);
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MODULE_PARM_DESC(alsa,"enable ALSA DMA sound [dmasound]");
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static unsigned int oss = 0;
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module_param(oss, int, 0644);
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MODULE_PARM_DESC(oss,"enable OSS DMA sound [dmasound]");
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static unsigned int latency = UNSET;
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module_param(latency, int, 0444);
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MODULE_PARM_DESC(latency,"pci latency timer");
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static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
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static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
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static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
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static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
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static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
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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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module_param_array(tuner, int, NULL, 0444);
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module_param_array(card, int, NULL, 0444);
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MODULE_PARM_DESC(video_nr, "video device number");
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MODULE_PARM_DESC(vbi_nr, "vbi device number");
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MODULE_PARM_DESC(radio_nr, "radio device number");
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MODULE_PARM_DESC(tuner, "tuner type");
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MODULE_PARM_DESC(card, "card type");
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static DEFINE_MUTEX(devlist_lock);
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LIST_HEAD(saa7134_devlist);
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static LIST_HEAD(mops_list);
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static unsigned int saa7134_devcount;
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int (*dmasound_init)(struct saa7134_dev *dev);
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int (*dmasound_exit)(struct saa7134_dev *dev);
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#define dprintk(fmt, arg...) if (core_debug) \
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printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
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void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
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{
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unsigned long mode,status;
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if (!gpio_tracking)
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return;
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/* rising SAA7134_GPIO_GPRESCAN reads the status */
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saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
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saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
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mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff;
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status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
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printk(KERN_DEBUG
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"%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
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dev->name, mode, (~mode) & status, mode & status, msg);
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}
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/* ------------------------------------------------------------------ */
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/* ----------------------------------------------------------- */
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/* delayed request_module */
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#if defined(CONFIG_MODULES) && defined(MODULE)
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static int need_empress;
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static int need_dvb;
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static int need_alsa;
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static int need_oss;
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static int pending_call(struct notifier_block *self, unsigned long state,
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void *module)
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{
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if (module != THIS_MODULE || state != MODULE_STATE_LIVE)
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return NOTIFY_DONE;
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if (need_empress)
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request_module("saa7134-empress");
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if (need_dvb)
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request_module("saa7134-dvb");
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if (need_alsa)
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request_module("saa7134-alsa");
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if (need_oss)
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request_module("saa7134-oss");
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return NOTIFY_DONE;
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}
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static int pending_registered;
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static struct notifier_block pending_notifier = {
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.notifier_call = pending_call,
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};
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static void request_module_depend(char *name, int *flag)
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{
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int err;
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switch (THIS_MODULE->state) {
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case MODULE_STATE_COMING:
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if (!pending_registered) {
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err = register_module_notifier(&pending_notifier);
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pending_registered = 1;
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}
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*flag = 1;
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break;
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case MODULE_STATE_LIVE:
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request_module(name);
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break;
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default:
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/* nothing */;
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break;
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}
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}
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#else
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#define request_module_depend(name,flag)
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#endif /* CONFIG_MODULES */
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/* ------------------------------------------------------------------ */
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/* nr of (saa7134-)pages for the given buffer size */
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static int saa7134_buffer_pages(int size)
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{
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size = PAGE_ALIGN(size);
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size += PAGE_SIZE; /* for non-page-aligned buffers */
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size /= 4096;
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return size;
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}
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/* calc max # of buffers from size (must not exceed the 4MB virtual
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* address space per DMA channel) */
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int saa7134_buffer_count(unsigned int size, unsigned int count)
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{
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unsigned int maxcount;
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maxcount = 1024 / saa7134_buffer_pages(size);
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if (count > maxcount)
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count = maxcount;
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return count;
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}
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int saa7134_buffer_startpage(struct saa7134_buf *buf)
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{
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return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
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}
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unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
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{
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unsigned long base;
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base = saa7134_buffer_startpage(buf) * 4096;
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base += buf->vb.dma.sglist[0].offset;
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return base;
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}
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/* ------------------------------------------------------------------ */
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int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
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{
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__le32 *cpu;
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dma_addr_t dma_addr;
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cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
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if (NULL == cpu)
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return -ENOMEM;
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pt->size = SAA7134_PGTABLE_SIZE;
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pt->cpu = cpu;
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pt->dma = dma_addr;
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return 0;
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}
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int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
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struct scatterlist *list, unsigned int length,
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unsigned int startpage)
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{
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__le32 *ptr;
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unsigned int i,p;
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BUG_ON(NULL == pt || NULL == pt->cpu);
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ptr = pt->cpu + startpage;
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for (i = 0; i < length; i++, list++)
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for (p = 0; p * 4096 < list->length; p++, ptr++)
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*ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
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return 0;
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}
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void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
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{
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if (NULL == pt->cpu)
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return;
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pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
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pt->cpu = NULL;
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}
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/* ------------------------------------------------------------------ */
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void saa7134_dma_free(struct saa7134_dev *dev,struct saa7134_buf *buf)
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{
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if (in_interrupt())
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BUG();
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videobuf_waiton(&buf->vb,0,0);
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videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma);
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videobuf_dma_free(&buf->vb.dma);
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buf->vb.state = STATE_NEEDS_INIT;
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}
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/* ------------------------------------------------------------------ */
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int saa7134_buffer_queue(struct saa7134_dev *dev,
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struct saa7134_dmaqueue *q,
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struct saa7134_buf *buf)
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{
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struct saa7134_buf *next = NULL;
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assert_spin_locked(&dev->slock);
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dprintk("buffer_queue %p\n",buf);
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if (NULL == q->curr) {
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if (!q->need_two) {
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q->curr = buf;
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buf->activate(dev,buf,NULL);
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} else if (list_empty(&q->queue)) {
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list_add_tail(&buf->vb.queue,&q->queue);
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buf->vb.state = STATE_QUEUED;
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} else {
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next = list_entry(q->queue.next,struct saa7134_buf,
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vb.queue);
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q->curr = buf;
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buf->activate(dev,buf,next);
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}
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} else {
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list_add_tail(&buf->vb.queue,&q->queue);
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buf->vb.state = STATE_QUEUED;
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}
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return 0;
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}
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void saa7134_buffer_finish(struct saa7134_dev *dev,
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struct saa7134_dmaqueue *q,
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unsigned int state)
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{
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assert_spin_locked(&dev->slock);
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dprintk("buffer_finish %p\n",q->curr);
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/* finish current buffer */
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q->curr->vb.state = state;
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do_gettimeofday(&q->curr->vb.ts);
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wake_up(&q->curr->vb.done);
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q->curr = NULL;
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}
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void saa7134_buffer_next(struct saa7134_dev *dev,
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struct saa7134_dmaqueue *q)
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{
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struct saa7134_buf *buf,*next = NULL;
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assert_spin_locked(&dev->slock);
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BUG_ON(NULL != q->curr);
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if (!list_empty(&q->queue)) {
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/* activate next one from queue */
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buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
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dprintk("buffer_next %p [prev=%p/next=%p]\n",
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buf,q->queue.prev,q->queue.next);
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list_del(&buf->vb.queue);
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if (!list_empty(&q->queue))
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next = list_entry(q->queue.next,struct saa7134_buf,
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vb.queue);
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q->curr = buf;
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buf->activate(dev,buf,next);
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dprintk("buffer_next #2 prev=%p/next=%p\n",
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q->queue.prev,q->queue.next);
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} else {
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/* nothing to do -- just stop DMA */
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dprintk("buffer_next %p\n",NULL);
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saa7134_set_dmabits(dev);
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del_timer(&q->timeout);
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}
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}
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void saa7134_buffer_timeout(unsigned long data)
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{
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struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
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struct saa7134_dev *dev = q->dev;
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unsigned long flags;
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spin_lock_irqsave(&dev->slock,flags);
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/* try to reset the hardware (SWRST) */
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saa_writeb(SAA7134_REGION_ENABLE, 0x00);
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saa_writeb(SAA7134_REGION_ENABLE, 0x80);
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saa_writeb(SAA7134_REGION_ENABLE, 0x00);
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/* flag current buffer as failed,
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try to start over with the next one. */
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if (q->curr) {
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dprintk("timeout on %p\n",q->curr);
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saa7134_buffer_finish(dev,q,STATE_ERROR);
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}
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saa7134_buffer_next(dev,q);
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spin_unlock_irqrestore(&dev->slock,flags);
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}
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/* ------------------------------------------------------------------ */
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int saa7134_set_dmabits(struct saa7134_dev *dev)
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{
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u32 split, task=0, ctrl=0, irq=0;
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enum v4l2_field cap = V4L2_FIELD_ANY;
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enum v4l2_field ov = V4L2_FIELD_ANY;
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assert_spin_locked(&dev->slock);
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/* video capture -- dma 0 + video task A */
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if (dev->video_q.curr) {
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task |= 0x01;
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ctrl |= SAA7134_MAIN_CTRL_TE0;
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irq |= SAA7134_IRQ1_INTE_RA0_1 |
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SAA7134_IRQ1_INTE_RA0_0;
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cap = dev->video_q.curr->vb.field;
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}
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/* video capture -- dma 1+2 (planar modes) */
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if (dev->video_q.curr &&
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dev->video_q.curr->fmt->planar) {
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ctrl |= SAA7134_MAIN_CTRL_TE4 |
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SAA7134_MAIN_CTRL_TE5;
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}
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/* screen overlay -- dma 0 + video task B */
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if (dev->ovenable) {
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task |= 0x10;
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ctrl |= SAA7134_MAIN_CTRL_TE1;
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ov = dev->ovfield;
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}
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/* vbi capture -- dma 0 + vbi task A+B */
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if (dev->vbi_q.curr) {
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task |= 0x22;
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ctrl |= SAA7134_MAIN_CTRL_TE2 |
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SAA7134_MAIN_CTRL_TE3;
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irq |= SAA7134_IRQ1_INTE_RA0_7 |
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SAA7134_IRQ1_INTE_RA0_6 |
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SAA7134_IRQ1_INTE_RA0_5 |
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SAA7134_IRQ1_INTE_RA0_4;
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}
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/* audio capture -- dma 3 */
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if (dev->dmasound.dma_running) {
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ctrl |= SAA7134_MAIN_CTRL_TE6;
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irq |= SAA7134_IRQ1_INTE_RA3_1 |
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SAA7134_IRQ1_INTE_RA3_0;
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}
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/* TS capture -- dma 5 */
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if (dev->ts_q.curr) {
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ctrl |= SAA7134_MAIN_CTRL_TE5;
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irq |= SAA7134_IRQ1_INTE_RA2_3 |
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SAA7134_IRQ1_INTE_RA2_2 |
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SAA7134_IRQ1_INTE_RA2_1 |
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SAA7134_IRQ1_INTE_RA2_0;
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}
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/* set task conditions + field handling */
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if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
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/* default config -- use full frames */
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saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
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saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
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saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
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saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
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split = 0;
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} else {
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/* split fields between tasks */
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if (V4L2_FIELD_TOP == cap) {
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/* odd A, even B, repeat */
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saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
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saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
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} else {
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/* odd B, even A, repeat */
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saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
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saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
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}
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saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
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saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
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split = 1;
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}
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/* irqs */
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saa_writeb(SAA7134_REGION_ENABLE, task);
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saa_writel(SAA7134_IRQ1, irq);
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saa_andorl(SAA7134_MAIN_CTRL,
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SAA7134_MAIN_CTRL_TE0 |
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SAA7134_MAIN_CTRL_TE1 |
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SAA7134_MAIN_CTRL_TE2 |
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SAA7134_MAIN_CTRL_TE3 |
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SAA7134_MAIN_CTRL_TE4 |
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SAA7134_MAIN_CTRL_TE5 |
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SAA7134_MAIN_CTRL_TE6,
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ctrl);
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dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
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task, ctrl, irq, split ? "no" : "yes");
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return 0;
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}
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/* ------------------------------------------------------------------ */
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/* IRQ handler + helpers */
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static char *irqbits[] = {
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"DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
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"AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
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"TRIG_ERR", "CONF_ERR", "LOAD_ERR",
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|
"GPIO16?", "GPIO18", "GPIO22", "GPIO23"
|
|
};
|
|
#define IRQBITS ARRAY_SIZE(irqbits)
|
|
|
|
static void print_irqstatus(struct saa7134_dev *dev, int loop,
|
|
unsigned long report, unsigned long status)
|
|
{
|
|
unsigned int i;
|
|
|
|
printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
|
|
dev->name,loop,jiffies,report,status);
|
|
for (i = 0; i < IRQBITS; i++) {
|
|
if (!(report & (1 << i)))
|
|
continue;
|
|
printk(" %s",irqbits[i]);
|
|
}
|
|
if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
|
|
printk(" | RA0=%s,%s,%s,%ld",
|
|
(status & 0x40) ? "vbi" : "video",
|
|
(status & 0x20) ? "b" : "a",
|
|
(status & 0x10) ? "odd" : "even",
|
|
(status & 0x0f));
|
|
}
|
|
printk("\n");
|
|
}
|
|
|
|
static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs)
|
|
{
|
|
struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
|
|
unsigned long report,status;
|
|
int loop, handled = 0;
|
|
|
|
for (loop = 0; loop < 10; loop++) {
|
|
report = saa_readl(SAA7134_IRQ_REPORT);
|
|
status = saa_readl(SAA7134_IRQ_STATUS);
|
|
if (0 == report) {
|
|
if (irq_debug > 1)
|
|
printk(KERN_DEBUG "%s/irq: no (more) work\n",
|
|
dev->name);
|
|
goto out;
|
|
}
|
|
|
|
/* If dmasound support is active and we get a sound report, exit
|
|
and let the saa7134-alsa/oss module deal with it */
|
|
|
|
if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
|
|
(dev->dmasound.priv_data != NULL) )
|
|
{
|
|
if (irq_debug > 1)
|
|
printk(KERN_DEBUG "%s/irq: ignoring interrupt for DMA sound\n",
|
|
dev->name);
|
|
goto out;
|
|
}
|
|
|
|
handled = 1;
|
|
saa_writel(SAA7134_IRQ_REPORT,report);
|
|
if (irq_debug)
|
|
print_irqstatus(dev,loop,report,status);
|
|
|
|
|
|
if (report & SAA7134_IRQ_REPORT_RDCAP /* _INTL */)
|
|
saa7134_irq_video_intl(dev);
|
|
|
|
if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
|
|
(status & 0x60) == 0)
|
|
saa7134_irq_video_done(dev,status);
|
|
|
|
if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
|
|
(status & 0x40) == 0x40)
|
|
saa7134_irq_vbi_done(dev,status);
|
|
|
|
if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
|
|
card_has_mpeg(dev))
|
|
saa7134_irq_ts_done(dev,status);
|
|
|
|
if (report & SAA7134_IRQ_REPORT_GPIO16) {
|
|
switch (dev->has_remote) {
|
|
case SAA7134_REMOTE_GPIO:
|
|
if (dev->remote->mask_keydown & 0x10000) {
|
|
saa7134_input_irq(dev);
|
|
}
|
|
break;
|
|
|
|
case SAA7134_REMOTE_I2C:
|
|
break; /* FIXME: invoke I2C get_key() */
|
|
|
|
default: /* GPIO16 not used by IR remote */
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (report & SAA7134_IRQ_REPORT_GPIO18) {
|
|
switch (dev->has_remote) {
|
|
case SAA7134_REMOTE_GPIO:
|
|
if ((dev->remote->mask_keydown & 0x40000) ||
|
|
(dev->remote->mask_keyup & 0x40000)) {
|
|
saa7134_input_irq(dev);
|
|
}
|
|
break;
|
|
|
|
case SAA7134_REMOTE_I2C:
|
|
break; /* FIXME: invoke I2C get_key() */
|
|
|
|
default: /* GPIO18 not used by IR remote */
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (10 == loop) {
|
|
print_irqstatus(dev,loop,report,status);
|
|
if (report & SAA7134_IRQ_REPORT_PE) {
|
|
/* disable all parity error */
|
|
printk(KERN_WARNING "%s/irq: looping -- "
|
|
"clearing PE (parity error!) enable bit\n",dev->name);
|
|
saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
|
|
} else if (report & SAA7134_IRQ_REPORT_GPIO16) {
|
|
/* disable gpio16 IRQ */
|
|
printk(KERN_WARNING "%s/irq: looping -- "
|
|
"clearing GPIO16 enable bit\n",dev->name);
|
|
saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16);
|
|
} else if (report & SAA7134_IRQ_REPORT_GPIO18) {
|
|
/* disable gpio18 IRQs */
|
|
printk(KERN_WARNING "%s/irq: looping -- "
|
|
"clearing GPIO18 enable bit\n",dev->name);
|
|
saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
|
|
} else {
|
|
/* disable all irqs */
|
|
printk(KERN_WARNING "%s/irq: looping -- "
|
|
"clearing all enable bits\n",dev->name);
|
|
saa_writel(SAA7134_IRQ1,0);
|
|
saa_writel(SAA7134_IRQ2,0);
|
|
}
|
|
}
|
|
|
|
out:
|
|
return IRQ_RETVAL(handled);
|
|
}
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
|
|
/* early init (no i2c, no irq) */
|
|
static int saa7134_hwinit1(struct saa7134_dev *dev)
|
|
{
|
|
dprintk("hwinit1\n");
|
|
|
|
saa_writel(SAA7134_IRQ1, 0);
|
|
saa_writel(SAA7134_IRQ2, 0);
|
|
init_MUTEX(&dev->lock);
|
|
spin_lock_init(&dev->slock);
|
|
|
|
saa7134_track_gpio(dev,"pre-init");
|
|
saa7134_video_init1(dev);
|
|
saa7134_vbi_init1(dev);
|
|
if (card_has_mpeg(dev))
|
|
saa7134_ts_init1(dev);
|
|
saa7134_input_init1(dev);
|
|
|
|
/* RAM FIFO config */
|
|
saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
|
|
saa_writel(SAA7134_THRESHOULD,0x02020202);
|
|
|
|
/* enable audio + video processing */
|
|
saa_writel(SAA7134_MAIN_CTRL,
|
|
SAA7134_MAIN_CTRL_VPLLE |
|
|
SAA7134_MAIN_CTRL_APLLE |
|
|
SAA7134_MAIN_CTRL_EXOSC |
|
|
SAA7134_MAIN_CTRL_EVFE1 |
|
|
SAA7134_MAIN_CTRL_EVFE2 |
|
|
SAA7134_MAIN_CTRL_ESFE |
|
|
SAA7134_MAIN_CTRL_EBDAC);
|
|
|
|
/*
|
|
* Initialize OSS _after_ enabling audio clock PLL and audio processing.
|
|
* OSS initialization writes to registers via the audio DSP; these
|
|
* writes will fail unless the audio clock has been started. At worst,
|
|
* audio will not work.
|
|
*/
|
|
|
|
/* enable peripheral devices */
|
|
saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
|
|
|
|
/* set vertical line numbering start (vbi needs this) */
|
|
saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* late init (with i2c + irq) */
|
|
static int saa7134_hwinit2(struct saa7134_dev *dev)
|
|
{
|
|
unsigned int irq2_mask;
|
|
dprintk("hwinit2\n");
|
|
|
|
saa7134_video_init2(dev);
|
|
saa7134_tvaudio_init2(dev);
|
|
|
|
/* enable IRQ's */
|
|
irq2_mask =
|
|
SAA7134_IRQ2_INTE_DEC3 |
|
|
SAA7134_IRQ2_INTE_DEC2 |
|
|
SAA7134_IRQ2_INTE_DEC1 |
|
|
SAA7134_IRQ2_INTE_DEC0 |
|
|
SAA7134_IRQ2_INTE_PE |
|
|
SAA7134_IRQ2_INTE_AR;
|
|
|
|
if (dev->has_remote == SAA7134_REMOTE_GPIO) {
|
|
if (dev->remote->mask_keydown & 0x10000)
|
|
irq2_mask |= SAA7134_IRQ2_INTE_GPIO16;
|
|
else if (dev->remote->mask_keydown & 0x40000)
|
|
irq2_mask |= SAA7134_IRQ2_INTE_GPIO18;
|
|
else if (dev->remote->mask_keyup & 0x40000)
|
|
irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A;
|
|
}
|
|
|
|
saa_writel(SAA7134_IRQ1, 0);
|
|
saa_writel(SAA7134_IRQ2, irq2_mask);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* shutdown */
|
|
static int saa7134_hwfini(struct saa7134_dev *dev)
|
|
{
|
|
dprintk("hwfini\n");
|
|
|
|
if (card_has_mpeg(dev))
|
|
saa7134_ts_fini(dev);
|
|
saa7134_input_fini(dev);
|
|
saa7134_vbi_fini(dev);
|
|
saa7134_video_fini(dev);
|
|
saa7134_tvaudio_fini(dev);
|
|
return 0;
|
|
}
|
|
|
|
static void __devinit must_configure_manually(void)
|
|
{
|
|
unsigned int i,p;
|
|
|
|
printk(KERN_WARNING
|
|
"saa7134: <rant>\n"
|
|
"saa7134: Congratulations! Your TV card vendor saved a few\n"
|
|
"saa7134: cents for a eeprom, thus your pci board has no\n"
|
|
"saa7134: subsystem ID and I can't identify it automatically\n"
|
|
"saa7134: </rant>\n"
|
|
"saa7134: I feel better now. Ok, here are the good news:\n"
|
|
"saa7134: You can use the card=<nr> insmod option to specify\n"
|
|
"saa7134: which board do you have. The list:\n");
|
|
for (i = 0; i < saa7134_bcount; i++) {
|
|
printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
|
|
i,saa7134_boards[i].name);
|
|
for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
|
|
if (saa7134_pci_tbl[p].driver_data != i)
|
|
continue;
|
|
printk(" %04x:%04x",
|
|
saa7134_pci_tbl[p].subvendor,
|
|
saa7134_pci_tbl[p].subdevice);
|
|
}
|
|
printk("\n");
|
|
}
|
|
}
|
|
|
|
static struct video_device *vdev_init(struct saa7134_dev *dev,
|
|
struct video_device *template,
|
|
char *type)
|
|
{
|
|
struct video_device *vfd;
|
|
|
|
vfd = video_device_alloc();
|
|
if (NULL == vfd)
|
|
return NULL;
|
|
*vfd = *template;
|
|
vfd->minor = -1;
|
|
vfd->dev = &dev->pci->dev;
|
|
vfd->release = video_device_release;
|
|
snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
|
|
dev->name, type, saa7134_boards[dev->board].name);
|
|
return vfd;
|
|
}
|
|
|
|
static void saa7134_unregister_video(struct saa7134_dev *dev)
|
|
{
|
|
if (dev->video_dev) {
|
|
if (-1 != dev->video_dev->minor)
|
|
video_unregister_device(dev->video_dev);
|
|
else
|
|
video_device_release(dev->video_dev);
|
|
dev->video_dev = NULL;
|
|
}
|
|
if (dev->vbi_dev) {
|
|
if (-1 != dev->vbi_dev->minor)
|
|
video_unregister_device(dev->vbi_dev);
|
|
else
|
|
video_device_release(dev->vbi_dev);
|
|
dev->vbi_dev = NULL;
|
|
}
|
|
if (dev->radio_dev) {
|
|
if (-1 != dev->radio_dev->minor)
|
|
video_unregister_device(dev->radio_dev);
|
|
else
|
|
video_device_release(dev->radio_dev);
|
|
dev->radio_dev = NULL;
|
|
}
|
|
}
|
|
|
|
static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
|
|
struct saa7134_dev *dev)
|
|
{
|
|
int err;
|
|
|
|
if (NULL != dev->mops)
|
|
return;
|
|
if (saa7134_boards[dev->board].mpeg != ops->type)
|
|
return;
|
|
err = ops->init(dev);
|
|
if (0 != err)
|
|
return;
|
|
dev->mops = ops;
|
|
}
|
|
|
|
static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
|
|
struct saa7134_dev *dev)
|
|
{
|
|
if (NULL == dev->mops)
|
|
return;
|
|
if (dev->mops != ops)
|
|
return;
|
|
dev->mops->fini(dev);
|
|
dev->mops = NULL;
|
|
}
|
|
|
|
static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
|
|
const struct pci_device_id *pci_id)
|
|
{
|
|
struct saa7134_dev *dev;
|
|
struct list_head *item;
|
|
struct saa7134_mpeg_ops *mops;
|
|
int err;
|
|
|
|
dev = kzalloc(sizeof(*dev),GFP_KERNEL);
|
|
if (NULL == dev)
|
|
return -ENOMEM;
|
|
|
|
/* pci init */
|
|
dev->pci = pci_dev;
|
|
if (pci_enable_device(pci_dev)) {
|
|
err = -EIO;
|
|
goto fail1;
|
|
}
|
|
|
|
dev->nr = saa7134_devcount;
|
|
sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
|
|
|
|
/* pci quirks */
|
|
if (pci_pci_problems) {
|
|
if (pci_pci_problems & PCIPCI_TRITON)
|
|
printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
|
|
if (pci_pci_problems & PCIPCI_NATOMA)
|
|
printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
|
|
if (pci_pci_problems & PCIPCI_VIAETBF)
|
|
printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
|
|
if (pci_pci_problems & PCIPCI_VSFX)
|
|
printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
|
|
#ifdef PCIPCI_ALIMAGIK
|
|
if (pci_pci_problems & PCIPCI_ALIMAGIK) {
|
|
printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
|
|
dev->name);
|
|
latency = 0x0A;
|
|
}
|
|
#endif
|
|
}
|
|
if (UNSET != latency) {
|
|
printk(KERN_INFO "%s: setting pci latency timer to %d\n",
|
|
dev->name,latency);
|
|
pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
|
|
}
|
|
|
|
/* print pci info */
|
|
pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
|
|
pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
|
|
printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
|
|
"latency: %d, mmio: 0x%lx\n", dev->name,
|
|
pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
|
|
dev->pci_lat,pci_resource_start(pci_dev,0));
|
|
pci_set_master(pci_dev);
|
|
if (!pci_dma_supported(pci_dev,0xffffffff)) {
|
|
printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
|
|
err = -EIO;
|
|
goto fail1;
|
|
}
|
|
|
|
/* board config */
|
|
dev->board = pci_id->driver_data;
|
|
if (card[dev->nr] >= 0 &&
|
|
card[dev->nr] < saa7134_bcount)
|
|
dev->board = card[dev->nr];
|
|
if (SAA7134_BOARD_NOAUTO == dev->board) {
|
|
must_configure_manually();
|
|
dev->board = SAA7134_BOARD_UNKNOWN;
|
|
}
|
|
dev->tuner_type = saa7134_boards[dev->board].tuner_type;
|
|
dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
|
|
if (UNSET != tuner[dev->nr])
|
|
dev->tuner_type = tuner[dev->nr];
|
|
printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
|
|
dev->name,pci_dev->subsystem_vendor,
|
|
pci_dev->subsystem_device,saa7134_boards[dev->board].name,
|
|
dev->board, card[dev->nr] == dev->board ?
|
|
"insmod option" : "autodetected");
|
|
|
|
/* get mmio */
|
|
if (!request_mem_region(pci_resource_start(pci_dev,0),
|
|
pci_resource_len(pci_dev,0),
|
|
dev->name)) {
|
|
err = -EBUSY;
|
|
printk(KERN_ERR "%s: can't get MMIO memory @ 0x%lx\n",
|
|
dev->name,pci_resource_start(pci_dev,0));
|
|
goto fail1;
|
|
}
|
|
dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
|
|
dev->bmmio = (__u8 __iomem *)dev->lmmio;
|
|
if (NULL == dev->lmmio) {
|
|
err = -EIO;
|
|
printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
|
|
dev->name);
|
|
goto fail2;
|
|
}
|
|
|
|
/* initialize hardware #1 */
|
|
saa7134_board_init1(dev);
|
|
saa7134_hwinit1(dev);
|
|
|
|
/* get irq */
|
|
err = request_irq(pci_dev->irq, saa7134_irq,
|
|
SA_SHIRQ | SA_INTERRUPT, dev->name, dev);
|
|
if (err < 0) {
|
|
printk(KERN_ERR "%s: can't get IRQ %d\n",
|
|
dev->name,pci_dev->irq);
|
|
goto fail3;
|
|
}
|
|
|
|
/* wait a bit, register i2c bus */
|
|
msleep(100);
|
|
saa7134_i2c_register(dev);
|
|
|
|
/* initialize hardware #2 */
|
|
saa7134_board_init2(dev);
|
|
saa7134_hwinit2(dev);
|
|
|
|
/* load i2c helpers */
|
|
if (TUNER_ABSENT != dev->tuner_type)
|
|
request_module("tuner");
|
|
if (dev->tda9887_conf)
|
|
request_module("tda9887");
|
|
if (card_is_empress(dev)) {
|
|
request_module("saa6752hs");
|
|
request_module_depend("saa7134-empress",&need_empress);
|
|
}
|
|
|
|
if (card_is_dvb(dev))
|
|
request_module_depend("saa7134-dvb",&need_dvb);
|
|
|
|
|
|
if (alsa)
|
|
request_module_depend("saa7134-alsa",&need_alsa);
|
|
|
|
if (oss)
|
|
request_module_depend("saa7134-oss",&need_oss);
|
|
|
|
v4l2_prio_init(&dev->prio);
|
|
|
|
/* register v4l devices */
|
|
dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
|
|
err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
|
|
video_nr[dev->nr]);
|
|
if (err < 0) {
|
|
printk(KERN_INFO "%s: can't register video device\n",
|
|
dev->name);
|
|
goto fail4;
|
|
}
|
|
printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
|
|
dev->name,dev->video_dev->minor & 0x1f);
|
|
|
|
dev->vbi_dev = vdev_init(dev,&saa7134_vbi_template,"vbi");
|
|
err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
|
|
vbi_nr[dev->nr]);
|
|
if (err < 0)
|
|
goto fail4;
|
|
printk(KERN_INFO "%s: registered device vbi%d\n",
|
|
dev->name,dev->vbi_dev->minor & 0x1f);
|
|
|
|
if (card_has_radio(dev)) {
|
|
dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
|
|
err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
|
|
radio_nr[dev->nr]);
|
|
if (err < 0)
|
|
goto fail4;
|
|
printk(KERN_INFO "%s: registered device radio%d\n",
|
|
dev->name,dev->radio_dev->minor & 0x1f);
|
|
}
|
|
|
|
/* everything worked */
|
|
pci_set_drvdata(pci_dev,dev);
|
|
saa7134_devcount++;
|
|
|
|
mutex_lock(&devlist_lock);
|
|
list_for_each(item,&mops_list) {
|
|
mops = list_entry(item, struct saa7134_mpeg_ops, next);
|
|
mpeg_ops_attach(mops, dev);
|
|
}
|
|
list_add_tail(&dev->devlist,&saa7134_devlist);
|
|
mutex_unlock(&devlist_lock);
|
|
|
|
/* check for signal */
|
|
saa7134_irq_video_intl(dev);
|
|
|
|
if (dmasound_init && !dev->dmasound.priv_data) {
|
|
dmasound_init(dev);
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail4:
|
|
saa7134_unregister_video(dev);
|
|
saa7134_i2c_unregister(dev);
|
|
free_irq(pci_dev->irq, dev);
|
|
fail3:
|
|
saa7134_hwfini(dev);
|
|
iounmap(dev->lmmio);
|
|
fail2:
|
|
release_mem_region(pci_resource_start(pci_dev,0),
|
|
pci_resource_len(pci_dev,0));
|
|
fail1:
|
|
kfree(dev);
|
|
return err;
|
|
}
|
|
|
|
static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
|
|
{
|
|
struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
|
|
struct list_head *item;
|
|
struct saa7134_mpeg_ops *mops;
|
|
|
|
/* Release DMA sound modules if present */
|
|
if (dmasound_exit && dev->dmasound.priv_data) {
|
|
dmasound_exit(dev);
|
|
}
|
|
|
|
/* debugging ... */
|
|
if (irq_debug) {
|
|
u32 report = saa_readl(SAA7134_IRQ_REPORT);
|
|
u32 status = saa_readl(SAA7134_IRQ_STATUS);
|
|
print_irqstatus(dev,42,report,status);
|
|
}
|
|
|
|
/* disable peripheral devices */
|
|
saa_writeb(SAA7134_SPECIAL_MODE,0);
|
|
|
|
/* shutdown hardware */
|
|
saa_writel(SAA7134_IRQ1,0);
|
|
saa_writel(SAA7134_IRQ2,0);
|
|
saa_writel(SAA7134_MAIN_CTRL,0);
|
|
|
|
/* shutdown subsystems */
|
|
saa7134_hwfini(dev);
|
|
|
|
/* unregister */
|
|
mutex_lock(&devlist_lock);
|
|
list_del(&dev->devlist);
|
|
list_for_each(item,&mops_list) {
|
|
mops = list_entry(item, struct saa7134_mpeg_ops, next);
|
|
mpeg_ops_detach(mops, dev);
|
|
}
|
|
mutex_unlock(&devlist_lock);
|
|
saa7134_devcount--;
|
|
|
|
saa7134_i2c_unregister(dev);
|
|
saa7134_unregister_video(dev);
|
|
|
|
|
|
/* the DMA sound modules should be unloaded before reaching
|
|
this, but just in case they are still present... */
|
|
if (dev->dmasound.priv_data != NULL) {
|
|
free_irq(pci_dev->irq, &dev->dmasound);
|
|
dev->dmasound.priv_data = NULL;
|
|
}
|
|
|
|
|
|
/* release resources */
|
|
free_irq(pci_dev->irq, dev);
|
|
iounmap(dev->lmmio);
|
|
release_mem_region(pci_resource_start(pci_dev,0),
|
|
pci_resource_len(pci_dev,0));
|
|
|
|
pci_set_drvdata(pci_dev, NULL);
|
|
|
|
/* free memory */
|
|
kfree(dev);
|
|
}
|
|
|
|
/* ----------------------------------------------------------- */
|
|
|
|
int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
|
|
{
|
|
struct list_head *item;
|
|
struct saa7134_dev *dev;
|
|
|
|
mutex_lock(&devlist_lock);
|
|
list_for_each(item,&saa7134_devlist) {
|
|
dev = list_entry(item, struct saa7134_dev, devlist);
|
|
mpeg_ops_attach(ops, dev);
|
|
}
|
|
list_add_tail(&ops->next,&mops_list);
|
|
mutex_unlock(&devlist_lock);
|
|
return 0;
|
|
}
|
|
|
|
void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
|
|
{
|
|
struct list_head *item;
|
|
struct saa7134_dev *dev;
|
|
|
|
mutex_lock(&devlist_lock);
|
|
list_del(&ops->next);
|
|
list_for_each(item,&saa7134_devlist) {
|
|
dev = list_entry(item, struct saa7134_dev, devlist);
|
|
mpeg_ops_detach(ops, dev);
|
|
}
|
|
mutex_unlock(&devlist_lock);
|
|
}
|
|
|
|
EXPORT_SYMBOL(saa7134_ts_register);
|
|
EXPORT_SYMBOL(saa7134_ts_unregister);
|
|
|
|
/* ----------------------------------------------------------- */
|
|
|
|
static struct pci_driver saa7134_pci_driver = {
|
|
.name = "saa7134",
|
|
.id_table = saa7134_pci_tbl,
|
|
.probe = saa7134_initdev,
|
|
.remove = __devexit_p(saa7134_finidev),
|
|
};
|
|
|
|
static int saa7134_init(void)
|
|
{
|
|
INIT_LIST_HEAD(&saa7134_devlist);
|
|
printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
|
|
(SAA7134_VERSION_CODE >> 16) & 0xff,
|
|
(SAA7134_VERSION_CODE >> 8) & 0xff,
|
|
SAA7134_VERSION_CODE & 0xff);
|
|
#ifdef SNAPSHOT
|
|
printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
|
|
SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
|
|
#endif
|
|
return pci_register_driver(&saa7134_pci_driver);
|
|
}
|
|
|
|
static void saa7134_fini(void)
|
|
{
|
|
#if defined(CONFIG_MODULES) && defined(MODULE)
|
|
if (pending_registered)
|
|
unregister_module_notifier(&pending_notifier);
|
|
#endif /* CONFIG_MODULES */
|
|
pci_unregister_driver(&saa7134_pci_driver);
|
|
}
|
|
|
|
module_init(saa7134_init);
|
|
module_exit(saa7134_fini);
|
|
|
|
/* ----------------------------------------------------------- */
|
|
|
|
EXPORT_SYMBOL(saa7134_i2c_call_clients);
|
|
EXPORT_SYMBOL(saa7134_devlist);
|
|
EXPORT_SYMBOL(saa7134_boards);
|
|
|
|
/* ----------------- for the DMA sound modules --------------- */
|
|
|
|
EXPORT_SYMBOL(dmasound_init);
|
|
EXPORT_SYMBOL(dmasound_exit);
|
|
EXPORT_SYMBOL(saa7134_pgtable_free);
|
|
EXPORT_SYMBOL(saa7134_pgtable_build);
|
|
EXPORT_SYMBOL(saa7134_pgtable_alloc);
|
|
EXPORT_SYMBOL(saa7134_set_dmabits);
|
|
|
|
/* ----------------------------------------------------------- */
|
|
/*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|