/* * * device driver for philips saa7134 based TV cards * driver core * * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [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. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/config.h> #include <linux/init.h> #include <linux/list.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/kmod.h> #include <linux/sound.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/mutex.h> #include <linux/dma-mapping.h> #include "saa7134-reg.h" #include "saa7134.h" MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards"); MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); MODULE_LICENSE("GPL"); /* ------------------------------------------------------------------ */ static unsigned int irq_debug = 0; module_param(irq_debug, int, 0644); MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); static unsigned int core_debug = 0; module_param(core_debug, int, 0644); MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); static unsigned int gpio_tracking = 0; module_param(gpio_tracking, int, 0644); MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]"); static unsigned int alsa = 0; module_param(alsa, int, 0644); MODULE_PARM_DESC(alsa,"enable ALSA DMA sound [dmasound]"); static unsigned int oss = 0; module_param(oss, int, 0644); MODULE_PARM_DESC(oss,"enable OSS DMA sound [dmasound]"); static unsigned int latency = UNSET; module_param(latency, int, 0444); MODULE_PARM_DESC(latency,"pci latency timer"); int saa7134_no_overlay=-1; module_param_named(no_overlay, saa7134_no_overlay, int, 0444); MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)" " [some VIA/SIS chipsets are known to have problem with overlay]"); static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; module_param_array(video_nr, int, NULL, 0444); module_param_array(vbi_nr, int, NULL, 0444); module_param_array(radio_nr, int, NULL, 0444); module_param_array(tuner, int, NULL, 0444); module_param_array(card, int, NULL, 0444); MODULE_PARM_DESC(video_nr, "video device number"); MODULE_PARM_DESC(vbi_nr, "vbi device number"); MODULE_PARM_DESC(radio_nr, "radio device number"); MODULE_PARM_DESC(tuner, "tuner type"); MODULE_PARM_DESC(card, "card type"); static DEFINE_MUTEX(devlist_lock); LIST_HEAD(saa7134_devlist); static LIST_HEAD(mops_list); static unsigned int saa7134_devcount; int (*dmasound_init)(struct saa7134_dev *dev); int (*dmasound_exit)(struct saa7134_dev *dev); #define dprintk(fmt, arg...) if (core_debug) \ printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg) void saa7134_track_gpio(struct saa7134_dev *dev, char *msg) { unsigned long mode,status; if (!gpio_tracking) return; /* rising SAA7134_GPIO_GPRESCAN reads the status */ saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0); saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN); mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff; status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff; printk(KERN_DEBUG "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n", dev->name, mode, (~mode) & status, mode & status, msg); } /* ------------------------------------------------------------------ */ /* ----------------------------------------------------------- */ /* delayed request_module */ #if defined(CONFIG_MODULES) && defined(MODULE) static int need_empress; static int need_dvb; static int need_alsa; static int need_oss; static int pending_call(struct notifier_block *self, unsigned long state, void *module) { if (module != THIS_MODULE || state != MODULE_STATE_LIVE) return NOTIFY_DONE; if (need_empress) request_module("saa7134-empress"); if (need_dvb) request_module("saa7134-dvb"); if (need_alsa) request_module("saa7134-alsa"); if (need_oss) request_module("saa7134-oss"); return NOTIFY_DONE; } static int pending_registered; static struct notifier_block pending_notifier = { .notifier_call = pending_call, }; static void request_module_depend(char *name, int *flag) { int err; switch (THIS_MODULE->state) { case MODULE_STATE_COMING: if (!pending_registered) { err = register_module_notifier(&pending_notifier); pending_registered = 1; } *flag = 1; break; case MODULE_STATE_LIVE: request_module(name); break; default: /* nothing */; break; } } #else #define request_module_depend(name,flag) #endif /* CONFIG_MODULES */ /* ------------------------------------------------------------------ */ /* nr of (saa7134-)pages for the given buffer size */ static int saa7134_buffer_pages(int size) { size = PAGE_ALIGN(size); size += PAGE_SIZE; /* for non-page-aligned buffers */ size /= 4096; return size; } /* calc max # of buffers from size (must not exceed the 4MB virtual * address space per DMA channel) */ int saa7134_buffer_count(unsigned int size, unsigned int count) { unsigned int maxcount; maxcount = 1024 / saa7134_buffer_pages(size); if (count > maxcount) count = maxcount; return count; } int saa7134_buffer_startpage(struct saa7134_buf *buf) { return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i; } unsigned long saa7134_buffer_base(struct saa7134_buf *buf) { unsigned long base; base = saa7134_buffer_startpage(buf) * 4096; base += buf->vb.dma.sglist[0].offset; return base; } /* ------------------------------------------------------------------ */ int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt) { __le32 *cpu; dma_addr_t dma_addr; cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr); if (NULL == cpu) return -ENOMEM; pt->size = SAA7134_PGTABLE_SIZE; pt->cpu = cpu; pt->dma = dma_addr; return 0; } int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt, struct scatterlist *list, unsigned int length, unsigned int startpage) { __le32 *ptr; unsigned int i,p; BUG_ON(NULL == pt || NULL == pt->cpu); ptr = pt->cpu + startpage; for (i = 0; i < length; i++, list++) for (p = 0; p * 4096 < list->length; p++, ptr++) *ptr = cpu_to_le32(sg_dma_address(list) - list->offset); return 0; } void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt) { if (NULL == pt->cpu) return; pci_free_consistent(pci, pt->size, pt->cpu, pt->dma); pt->cpu = NULL; } /* ------------------------------------------------------------------ */ void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf) { BUG_ON(in_interrupt()); videobuf_waiton(&buf->vb,0,0); videobuf_dma_unmap(q, &buf->vb.dma); videobuf_dma_free(&buf->vb.dma); buf->vb.state = STATE_NEEDS_INIT; } /* ------------------------------------------------------------------ */ int saa7134_buffer_queue(struct saa7134_dev *dev, struct saa7134_dmaqueue *q, struct saa7134_buf *buf) { struct saa7134_buf *next = NULL; assert_spin_locked(&dev->slock); dprintk("buffer_queue %p\n",buf); if (NULL == q->curr) { if (!q->need_two) { q->curr = buf; buf->activate(dev,buf,NULL); } else if (list_empty(&q->queue)) { list_add_tail(&buf->vb.queue,&q->queue); buf->vb.state = STATE_QUEUED; } else { next = list_entry(q->queue.next,struct saa7134_buf, vb.queue); q->curr = buf; buf->activate(dev,buf,next); } } else { list_add_tail(&buf->vb.queue,&q->queue); buf->vb.state = STATE_QUEUED; } return 0; } void saa7134_buffer_finish(struct saa7134_dev *dev, struct saa7134_dmaqueue *q, unsigned int state) { assert_spin_locked(&dev->slock); dprintk("buffer_finish %p\n",q->curr); /* finish current buffer */ q->curr->vb.state = state; do_gettimeofday(&q->curr->vb.ts); wake_up(&q->curr->vb.done); q->curr = NULL; } void saa7134_buffer_next(struct saa7134_dev *dev, struct saa7134_dmaqueue *q) { struct saa7134_buf *buf,*next = NULL; assert_spin_locked(&dev->slock); BUG_ON(NULL != q->curr); if (!list_empty(&q->queue)) { /* activate next one from queue */ buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue); dprintk("buffer_next %p [prev=%p/next=%p]\n", buf,q->queue.prev,q->queue.next); list_del(&buf->vb.queue); if (!list_empty(&q->queue)) next = list_entry(q->queue.next,struct saa7134_buf, vb.queue); q->curr = buf; buf->activate(dev,buf,next); dprintk("buffer_next #2 prev=%p/next=%p\n", q->queue.prev,q->queue.next); } else { /* nothing to do -- just stop DMA */ dprintk("buffer_next %p\n",NULL); saa7134_set_dmabits(dev); del_timer(&q->timeout); } } void saa7134_buffer_timeout(unsigned long data) { struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data; struct saa7134_dev *dev = q->dev; unsigned long flags; spin_lock_irqsave(&dev->slock,flags); /* try to reset the hardware (SWRST) */ saa_writeb(SAA7134_REGION_ENABLE, 0x00); saa_writeb(SAA7134_REGION_ENABLE, 0x80); saa_writeb(SAA7134_REGION_ENABLE, 0x00); /* flag current buffer as failed, try to start over with the next one. */ if (q->curr) { dprintk("timeout on %p\n",q->curr); saa7134_buffer_finish(dev,q,STATE_ERROR); } saa7134_buffer_next(dev,q); spin_unlock_irqrestore(&dev->slock,flags); } /* ------------------------------------------------------------------ */ int saa7134_set_dmabits(struct saa7134_dev *dev) { u32 split, task=0, ctrl=0, irq=0; enum v4l2_field cap = V4L2_FIELD_ANY; enum v4l2_field ov = V4L2_FIELD_ANY; assert_spin_locked(&dev->slock); /* video capture -- dma 0 + video task A */ if (dev->video_q.curr) { task |= 0x01; ctrl |= SAA7134_MAIN_CTRL_TE0; irq |= SAA7134_IRQ1_INTE_RA0_1 | SAA7134_IRQ1_INTE_RA0_0; cap = dev->video_q.curr->vb.field; } /* video capture -- dma 1+2 (planar modes) */ if (dev->video_q.curr && dev->video_q.curr->fmt->planar) { ctrl |= SAA7134_MAIN_CTRL_TE4 | SAA7134_MAIN_CTRL_TE5; } /* screen overlay -- dma 0 + video task B */ if (dev->ovenable) { task |= 0x10; ctrl |= SAA7134_MAIN_CTRL_TE1; ov = dev->ovfield; } /* vbi capture -- dma 0 + vbi task A+B */ if (dev->vbi_q.curr) { task |= 0x22; ctrl |= SAA7134_MAIN_CTRL_TE2 | SAA7134_MAIN_CTRL_TE3; irq |= SAA7134_IRQ1_INTE_RA0_7 | SAA7134_IRQ1_INTE_RA0_6 | SAA7134_IRQ1_INTE_RA0_5 | SAA7134_IRQ1_INTE_RA0_4; } /* audio capture -- dma 3 */ if (dev->dmasound.dma_running) { ctrl |= SAA7134_MAIN_CTRL_TE6; irq |= SAA7134_IRQ1_INTE_RA3_1 | SAA7134_IRQ1_INTE_RA3_0; } /* TS capture -- dma 5 */ if (dev->ts_q.curr) { ctrl |= SAA7134_MAIN_CTRL_TE5; irq |= SAA7134_IRQ1_INTE_RA2_3 | SAA7134_IRQ1_INTE_RA2_2 | SAA7134_IRQ1_INTE_RA2_1 | SAA7134_IRQ1_INTE_RA2_0; } /* set task conditions + field handling */ if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) { /* default config -- use full frames */ saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02); saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02); split = 0; } else { /* split fields between tasks */ if (V4L2_FIELD_TOP == cap) { /* odd A, even B, repeat */ saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e); } else { /* odd B, even A, repeat */ saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e); saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); } saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01); saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01); split = 1; } /* irqs */ saa_writeb(SAA7134_REGION_ENABLE, task); saa_writel(SAA7134_IRQ1, irq); saa_andorl(SAA7134_MAIN_CTRL, SAA7134_MAIN_CTRL_TE0 | SAA7134_MAIN_CTRL_TE1 | SAA7134_MAIN_CTRL_TE2 | SAA7134_MAIN_CTRL_TE3 | SAA7134_MAIN_CTRL_TE4 | SAA7134_MAIN_CTRL_TE5 | SAA7134_MAIN_CTRL_TE6, ctrl); dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n", task, ctrl, irq, split ? "no" : "yes"); return 0; } /* ------------------------------------------------------------------ */ /* IRQ handler + helpers */ static char *irqbits[] = { "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3", "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC", "TRIG_ERR", "CONF_ERR", "LOAD_ERR", "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) break; 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) break; 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); mutex_init(&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 && dev->remote) { 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 (pci_pci_problems & PCIPCI_FAIL) { printk(KERN_INFO "%s: quirk: this driver and your " "chipset may not work together" " in overlay mode.\n",dev->name); if (!saa7134_no_overlay) { printk(KERN_INFO "%s: quirk: overlay " "mode will be disabled.\n", dev->name); saa7134_no_overlay = 1; } else { printk(KERN_INFO "%s: quirk: overlay " "mode will be forced. Use this" " option at your own risk.\n", dev->name); } } } 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, DMA_32BIT_MASK)) { 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 */ if (saa7134_no_overlay <= 0) { saa7134_video_template.type |= VID_TYPE_OVERLAY; } else { printk("%s: Overlay support disabled.\n",dev->name); } 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: */