/* * * device driver for philips saa7134 based TV cards * driver core * * (c) 2001-03 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. * * 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 "saa7134.h" #include "saa7134-reg.h" #include #include #include #include #include #include #include #include #include #include #include #include MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards"); MODULE_AUTHOR("Gerd Knorr [SuSE Labs]"); MODULE_LICENSE("GPL"); MODULE_VERSION(SAA7134_VERSION); /* ------------------------------------------------------------------ */ static unsigned int irq_debug; module_param(irq_debug, int, 0644); MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); static unsigned int core_debug; module_param(core_debug, int, 0644); MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); static unsigned int gpio_tracking; module_param(gpio_tracking, int, 0644); MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]"); static unsigned int alsa = 1; module_param(alsa, int, 0644); MODULE_PARM_DESC(alsa,"enable/disable ALSA 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]"); bool saa7134_userptr; module_param(saa7134_userptr, bool, 0644); MODULE_PARM_DESC(saa7134_userptr, "enable page-aligned userptr support"); 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"); DEFINE_MUTEX(saa7134_devlist_lock); EXPORT_SYMBOL(saa7134_devlist_lock); LIST_HEAD(saa7134_devlist); EXPORT_SYMBOL(saa7134_devlist); static LIST_HEAD(mops_list); static unsigned int saa7134_devcount; int (*saa7134_dmasound_init)(struct saa7134_dev *dev); int (*saa7134_dmasound_exit)(struct saa7134_dev *dev); #define core_dbg(fmt, arg...) do { \ if (core_debug) \ printk(KERN_DEBUG pr_fmt("core: " fmt), ## arg); \ } while (0) #define irq_dbg(level, fmt, arg...) do {\ if (irq_debug > level) \ printk(KERN_DEBUG pr_fmt("irq: " fmt), ## arg); \ } while (0) void saa7134_track_gpio(struct saa7134_dev *dev, const 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; core_dbg("%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n", dev->name, mode, (~mode) & status, mode & status, msg); } void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value) { u32 index, bitval; index = 1 << bit_no; switch (value) { case 0: /* static value */ case 1: core_dbg("setting GPIO%d to static %d\n", bit_no, value); /* turn sync mode off if necessary */ if (index & 0x00c00000) saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00); if (value) bitval = index; else bitval = 0; saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index); saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval); break; case 3: /* tristate */ core_dbg("setting GPIO%d to tristate\n", bit_no); saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0); break; } } /* ------------------------------------------------------------------ */ /* ----------------------------------------------------------- */ /* delayed request_module */ #if defined(CONFIG_MODULES) && defined(MODULE) static void request_module_async(struct work_struct *work){ struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk); if (card_is_empress(dev)) request_module("saa7134-empress"); if (card_is_dvb(dev)) request_module("saa7134-dvb"); if (card_is_go7007(dev)) request_module("saa7134-go7007"); if (alsa) { if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130) request_module("saa7134-alsa"); } } static void request_submodules(struct saa7134_dev *dev) { INIT_WORK(&dev->request_module_wk, request_module_async); schedule_work(&dev->request_module_wk); } static void flush_request_submodules(struct saa7134_dev *dev) { flush_work(&dev->request_module_wk); } #else #define request_submodules(dev) #define flush_request_submodules(dev) #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(vb2_plane_size(&buf->vb2.vb2_buf, 0)) * buf->vb2.vb2_buf.index; } unsigned long saa7134_buffer_base(struct saa7134_buf *buf) { unsigned long base; struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2.vb2_buf, 0); base = saa7134_buffer_startpage(buf) * 4096; base += dma->sgl[0].offset; return base; } /* ------------------------------------------------------------------ */ int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt) { __le32 *cpu; dma_addr_t dma_addr = 0; 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 = sg_next(list)) { for (p = 0; p * 4096 < list->length; p++, ptr++) *ptr = cpu_to_le32(sg_dma_address(list) + list->offset + p * 4096); } 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; } /* ------------------------------------------------------------------ */ int saa7134_buffer_queue(struct saa7134_dev *dev, struct saa7134_dmaqueue *q, struct saa7134_buf *buf) { struct saa7134_buf *next = NULL; unsigned long flags; spin_lock_irqsave(&dev->slock, flags); core_dbg("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->entry, &q->queue); } else { next = list_entry(q->queue.next, struct saa7134_buf, entry); q->curr = buf; buf->activate(dev, buf, next); } } else { list_add_tail(&buf->entry, &q->queue); } spin_unlock_irqrestore(&dev->slock, flags); return 0; } void saa7134_buffer_finish(struct saa7134_dev *dev, struct saa7134_dmaqueue *q, unsigned int state) { core_dbg("buffer_finish %p\n", q->curr); /* finish current buffer */ q->curr->vb2.vb2_buf.timestamp = ktime_get_ns(); q->curr->vb2.sequence = q->seq_nr++; vb2_buffer_done(&q->curr->vb2.vb2_buf, state); 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, entry); core_dbg("buffer_next %p [prev=%p/next=%p]\n", buf, q->queue.prev, q->queue.next); list_del(&buf->entry); if (!list_empty(&q->queue)) next = list_entry(q->queue.next, struct saa7134_buf, entry); q->curr = buf; buf->activate(dev, buf, next); core_dbg("buffer_next #2 prev=%p/next=%p\n", q->queue.prev, q->queue.next); } else { /* nothing to do -- just stop DMA */ core_dbg("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) { core_dbg("timeout on %p\n", q->curr); saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR); } saa7134_buffer_next(dev, q); spin_unlock_irqrestore(&dev->slock, flags); } void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q) { unsigned long flags; struct list_head *pos, *n; struct saa7134_buf *tmp; spin_lock_irqsave(&dev->slock, flags); if (!list_empty(&q->queue)) { list_for_each_safe(pos, n, &q->queue) { tmp = list_entry(pos, struct saa7134_buf, entry); vb2_buffer_done(&tmp->vb2.vb2_buf, VB2_BUF_STATE_ERROR); list_del(pos); tmp = NULL; } } spin_unlock_irqrestore(&dev->slock, flags); saa7134_buffer_timeout((unsigned long)q); /* also calls del_timer(&q->timeout) */ } EXPORT_SYMBOL_GPL(saa7134_stop_streaming); /* ------------------------------------------------------------------ */ 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); if (dev->insuspend) return 0; /* 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->field; } /* video capture -- dma 1+2 (planar modes) */ if (dev->video_q.curr && dev->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_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); core_dbg("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; irq_dbg(1, "[%d,%ld]: r=0x%lx s=0x%02lx", loop, jiffies, report, status); for (i = 0; i < IRQBITS; i++) { if (!(report & (1 << i))) continue; pr_cont(" %s", irqbits[i]); } if (report & SAA7134_IRQ_REPORT_DONE_RA0) { pr_cont(" | RA0=%s,%s,%s,%ld", (status & 0x40) ? "vbi" : "video", (status & 0x20) ? "b" : "a", (status & 0x10) ? "odd" : "even", (status & 0x0f)); } pr_cont("\n"); } static irqreturn_t saa7134_irq(int irq, void *dev_id) { struct saa7134_dev *dev = (struct saa7134_dev*) dev_id; unsigned long report,status; int loop, handled = 0; if (dev->insuspend) goto out; for (loop = 0; loop < 10; loop++) { report = saa_readl(SAA7134_IRQ_REPORT); status = saa_readl(SAA7134_IRQ_STATUS); /* If dmasound support is active and we get a sound report, * mask out the report and let the saa7134-alsa module deal * with it */ if ((report & SAA7134_IRQ_REPORT_DONE_RA3) && (dev->dmasound.priv_data != NULL) ) { irq_dbg(2, "preserving DMA sound interrupt\n"); report &= ~SAA7134_IRQ_REPORT_DONE_RA3; } if (0 == report) { irq_dbg(2, "no (more) work\n"); 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) || (report & SAA7134_IRQ_REPORT_INTL)) saa7134_irq_video_signalchange(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)) { if (dev->mops->irq_ts_done != NULL) dev->mops->irq_ts_done(dev, status); else 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 */ pr_warn("%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 */ pr_warn("%s/irq: looping -- " "clearing GPIO16 enable bit\n",dev->name); saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P); saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N); } else if (report & SAA7134_IRQ_REPORT_GPIO18) { /* disable gpio18 IRQs */ pr_warn("%s/irq: looping -- " "clearing GPIO18 enable bit\n",dev->name); saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P); saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N); } else { /* disable all irqs */ pr_warn("%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_hw_enable1(struct saa7134_dev *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; } static int saa7134_hwinit1(struct saa7134_dev *dev) { core_dbg("hwinit1\n"); saa_writel(SAA7134_IRQ1, 0); saa_writel(SAA7134_IRQ2, 0); /* Clear any stale IRQ reports */ saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 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); saa7134_hw_enable1(dev); return 0; } /* late init (with i2c + irq) */ static int saa7134_hw_enable2(struct saa7134_dev *dev) { unsigned int irq2_mask; /* 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_N; else { /* Allow enabling both IRQ edge triggers */ if (dev->remote->mask_keydown & 0x40000) irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P; if (dev->remote->mask_keyup & 0x40000) irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N; } } if (dev->has_remote == SAA7134_REMOTE_I2C) { request_module("ir-kbd-i2c"); } saa_writel(SAA7134_IRQ1, 0); saa_writel(SAA7134_IRQ2, irq2_mask); return 0; } static int saa7134_hwinit2(struct saa7134_dev *dev) { core_dbg("hwinit2\n"); saa7134_video_init2(dev); saa7134_tvaudio_init2(dev); saa7134_hw_enable2(dev); return 0; } /* shutdown */ static int saa7134_hwfini(struct saa7134_dev *dev) { core_dbg("hwfini\n"); if (card_has_mpeg(dev)) saa7134_ts_fini(dev); saa7134_input_fini(dev); saa7134_vbi_fini(dev); saa7134_tvaudio_fini(dev); saa7134_video_fini(dev); return 0; } static void must_configure_manually(int has_eeprom) { unsigned int i,p; if (!has_eeprom) pr_warn("saa7134: \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: \n" "saa7134: I feel better now. Ok, here are the good news:\n" "saa7134: You can use the card= insmod option to specify\n" "saa7134: which board do you have. The list:\n"); else pr_warn("saa7134: Board is currently unknown. You might try to use the card=\n" "saa7134: insmod option to specify which board do you have, but this is\n" "saa7134: somewhat risky, as might damage your card. It is better to ask\n" "saa7134: for support at linux-media@vger.kernel.org.\n" "saa7134: The supported cards are:\n"); for (i = 0; i < saa7134_bcount; i++) { pr_warn("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; pr_cont(" %04x:%04x", saa7134_pci_tbl[p].subvendor, saa7134_pci_tbl[p].subdevice); } pr_cont("\n"); } } static void saa7134_unregister_media_device(struct saa7134_dev *dev) { #ifdef CONFIG_MEDIA_CONTROLLER if (!dev->media_dev) return; media_device_unregister(dev->media_dev); media_device_cleanup(dev->media_dev); kfree(dev->media_dev); dev->media_dev = NULL; #endif } static void saa7134_media_release(struct saa7134_dev *dev) { #ifdef CONFIG_MEDIA_CONTROLLER int i; for (i = 0; i < SAA7134_INPUT_MAX + 1; i++) media_device_unregister_entity(&dev->input_ent[i]); #endif } static void saa7134_create_entities(struct saa7134_dev *dev) { #if defined(CONFIG_MEDIA_CONTROLLER) int ret, i; struct media_entity *entity; struct media_entity *decoder = NULL; /* Check if it is using an external analog TV demod */ media_device_for_each_entity(entity, dev->media_dev) { if (entity->function == MEDIA_ENT_F_ATV_DECODER) { decoder = entity; break; } } /* * saa713x is not using an external ATV demod. * Register the internal one */ if (!decoder) { dev->demod.name = "saa713x"; dev->demod_pad[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; dev->demod_pad[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; dev->demod_pad[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE; dev->demod.function = MEDIA_ENT_F_ATV_DECODER; ret = media_entity_pads_init(&dev->demod, DEMOD_NUM_PADS, dev->demod_pad); if (ret < 0) pr_err("failed to initialize demod pad!\n"); ret = media_device_register_entity(dev->media_dev, &dev->demod); if (ret < 0) pr_err("failed to register demod entity!\n"); dev->decoder = &dev->demod; } else { dev->decoder = decoder; } /* Initialize Video, VBI and Radio pads */ dev->video_pad.flags = MEDIA_PAD_FL_SINK; ret = media_entity_pads_init(&dev->video_dev->entity, 1, &dev->video_pad); if (ret < 0) pr_err("failed to initialize video media entity!\n"); dev->vbi_pad.flags = MEDIA_PAD_FL_SINK; ret = media_entity_pads_init(&dev->vbi_dev->entity, 1, &dev->vbi_pad); if (ret < 0) pr_err("failed to initialize vbi media entity!\n"); /* Create entities for each input connector */ for (i = 0; i < SAA7134_INPUT_MAX; i++) { struct media_entity *ent = &dev->input_ent[i]; struct saa7134_input *in = &card_in(dev, i); if (in->type == SAA7134_NO_INPUT) break; /* This input uses the S-Video connector */ if (in->type == SAA7134_INPUT_COMPOSITE_OVER_SVIDEO) continue; ent->name = saa7134_input_name[in->type]; ent->flags = MEDIA_ENT_FL_CONNECTOR; dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; switch (in->type) { case SAA7134_INPUT_COMPOSITE: case SAA7134_INPUT_COMPOSITE0: case SAA7134_INPUT_COMPOSITE1: case SAA7134_INPUT_COMPOSITE2: case SAA7134_INPUT_COMPOSITE3: case SAA7134_INPUT_COMPOSITE4: ent->function = MEDIA_ENT_F_CONN_COMPOSITE; break; case SAA7134_INPUT_SVIDEO: case SAA7134_INPUT_SVIDEO0: case SAA7134_INPUT_SVIDEO1: ent->function = MEDIA_ENT_F_CONN_SVIDEO; break; default: /* * SAA7134_INPUT_TV and SAA7134_INPUT_TV_MONO. * * Please notice that neither SAA7134_INPUT_MUTE or * SAA7134_INPUT_RADIO are defined at * saa7134_board.input. */ ent->function = MEDIA_ENT_F_CONN_RF; break; } ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); if (ret < 0) pr_err("failed to initialize input pad[%d]!\n", i); ret = media_device_register_entity(dev->media_dev, ent); if (ret < 0) pr_err("failed to register input entity %d!\n", i); } /* Create input for Radio RF connector */ if (card_has_radio(dev)) { struct saa7134_input *in = &saa7134_boards[dev->board].radio; struct media_entity *ent = &dev->input_ent[i]; ent->name = saa7134_input_name[in->type]; ent->flags = MEDIA_ENT_FL_CONNECTOR; dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; ent->function = MEDIA_ENT_F_CONN_RF; ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); if (ret < 0) pr_err("failed to initialize input pad[%d]!\n", i); ret = media_device_register_entity(dev->media_dev, ent); if (ret < 0) pr_err("failed to register input entity %d!\n", i); } #endif } 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->v4l2_dev = &dev->v4l2_dev; vfd->release = video_device_release; snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, type, saa7134_boards[dev->board].name); video_set_drvdata(vfd, dev); return vfd; } static void saa7134_unregister_video(struct saa7134_dev *dev) { saa7134_media_release(dev); if (dev->video_dev) { if (video_is_registered(dev->video_dev)) video_unregister_device(dev->video_dev); else video_device_release(dev->video_dev); dev->video_dev = NULL; } if (dev->vbi_dev) { if (video_is_registered(dev->vbi_dev)) video_unregister_device(dev->vbi_dev); else video_device_release(dev->vbi_dev); dev->vbi_dev = NULL; } if (dev->radio_dev) { if (video_is_registered(dev->radio_dev)) 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 saa7134_initdev(struct pci_dev *pci_dev, const struct pci_device_id *pci_id) { struct saa7134_dev *dev; struct saa7134_mpeg_ops *mops; int err; if (saa7134_devcount == SAA7134_MAXBOARDS) return -ENOMEM; dev = kzalloc(sizeof(*dev),GFP_KERNEL); if (NULL == dev) return -ENOMEM; dev->nr = saa7134_devcount; sprintf(dev->name, "saa%x[%d]", pci_dev->device, dev->nr); #ifdef CONFIG_MEDIA_CONTROLLER dev->media_dev = media_device_pci_init(pci_dev, dev->name); if (!dev->media_dev) { err = -ENOMEM; goto fail0; } dev->v4l2_dev.mdev = dev->media_dev; #endif err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); if (err) goto fail0; /* pci init */ dev->pci = pci_dev; if (pci_enable_device(pci_dev)) { err = -EIO; goto fail1; } /* pci quirks */ if (pci_pci_problems) { if (pci_pci_problems & PCIPCI_TRITON) pr_info("%s: quirk: PCIPCI_TRITON\n", dev->name); if (pci_pci_problems & PCIPCI_NATOMA) pr_info("%s: quirk: PCIPCI_NATOMA\n", dev->name); if (pci_pci_problems & PCIPCI_VIAETBF) pr_info("%s: quirk: PCIPCI_VIAETBF\n", dev->name); if (pci_pci_problems & PCIPCI_VSFX) pr_info("%s: quirk: PCIPCI_VSFX\n", dev->name); #ifdef PCIPCI_ALIMAGIK if (pci_pci_problems & PCIPCI_ALIMAGIK) { pr_info("%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n", dev->name); latency = 0x0A; } #endif if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) { pr_info("%s: quirk: this driver and your " "chipset may not work together" " in overlay mode.\n",dev->name); if (!saa7134_no_overlay) { pr_info("%s: quirk: overlay " "mode will be disabled.\n", dev->name); saa7134_no_overlay = 1; } else { pr_info("%s: quirk: overlay " "mode will be forced. Use this" " option at your own risk.\n", dev->name); } } } if (UNSET != latency) { pr_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 */ dev->pci_rev = pci_dev->revision; pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); pr_info("%s: found at %s, rev: %d, irq: %d, " "latency: %d, mmio: 0x%llx\n", dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq, dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0)); pci_set_master(pci_dev); err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32)); if (err) { pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name); goto fail1; } /* board config */ dev->board = pci_id->driver_data; if ((unsigned)card[dev->nr] < saa7134_bcount) dev->board = card[dev->nr]; if (SAA7134_BOARD_UNKNOWN == dev->board) must_configure_manually(0); else if (SAA7134_BOARD_NOAUTO == dev->board) { must_configure_manually(1); dev->board = SAA7134_BOARD_UNKNOWN; } dev->autodetected = card[dev->nr] != dev->board; dev->tuner_type = saa7134_boards[dev->board].tuner_type; dev->tuner_addr = saa7134_boards[dev->board].tuner_addr; dev->radio_type = saa7134_boards[dev->board].radio_type; dev->radio_addr = saa7134_boards[dev->board].radio_addr; dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf; if (UNSET != tuner[dev->nr]) dev->tuner_type = tuner[dev->nr]; pr_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, dev->autodetected ? "autodetected" : "insmod option"); /* get mmio */ if (!request_mem_region(pci_resource_start(pci_dev,0), pci_resource_len(pci_dev,0), dev->name)) { err = -EBUSY; pr_err("%s: can't get MMIO memory @ 0x%llx\n", dev->name,(unsigned long long)pci_resource_start(pci_dev,0)); goto fail1; } dev->lmmio = ioremap(pci_resource_start(pci_dev, 0), pci_resource_len(pci_dev, 0)); dev->bmmio = (__u8 __iomem *)dev->lmmio; if (NULL == dev->lmmio) { err = -EIO; pr_err("%s: can't ioremap() MMIO memory\n", dev->name); goto fail2; } /* initialize hardware #1 */ saa7134_board_init1(dev); saa7134_hwinit1(dev); dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev); if (IS_ERR(dev->alloc_ctx)) { err = PTR_ERR(dev->alloc_ctx); goto fail3; } /* get irq */ err = request_irq(pci_dev->irq, saa7134_irq, IRQF_SHARED, dev->name, dev); if (err < 0) { pr_err("%s: can't get IRQ %d\n", dev->name,pci_dev->irq); goto fail4; } /* wait a bit, register i2c bus */ msleep(100); saa7134_i2c_register(dev); saa7134_board_init2(dev); saa7134_hwinit2(dev); /* load i2c helpers */ if (card_is_empress(dev)) { dev->empress_sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, "saa6752hs", saa7134_boards[dev->board].empress_addr, NULL); if (dev->empress_sd) dev->empress_sd->grp_id = GRP_EMPRESS; } if (saa7134_boards[dev->board].rds_addr) { struct v4l2_subdev *sd; sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, "saa6588", 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr)); if (sd) { pr_info("%s: found RDS decoder\n", dev->name); dev->has_rds = 1; } } mutex_lock(&saa7134_devlist_lock); list_for_each_entry(mops, &mops_list, next) mpeg_ops_attach(mops, dev); list_add_tail(&dev->devlist, &saa7134_devlist); mutex_unlock(&saa7134_devlist_lock); /* check for signal */ saa7134_irq_video_signalchange(dev); if (TUNER_ABSENT != dev->tuner_type) saa_call_all(dev, core, s_power, 0); /* register v4l devices */ if (saa7134_no_overlay > 0) pr_info("%s: Overlay support disabled.\n", dev->name); dev->video_dev = vdev_init(dev,&saa7134_video_template,"video"); dev->video_dev->ctrl_handler = &dev->ctrl_handler; dev->video_dev->lock = &dev->lock; dev->video_dev->queue = &dev->video_vbq; err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, video_nr[dev->nr]); if (err < 0) { pr_info("%s: can't register video device\n", dev->name); goto fail5; } pr_info("%s: registered device %s [v4l2]\n", dev->name, video_device_node_name(dev->video_dev)); dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi"); dev->vbi_dev->ctrl_handler = &dev->ctrl_handler; dev->vbi_dev->lock = &dev->lock; dev->vbi_dev->queue = &dev->vbi_vbq; err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, vbi_nr[dev->nr]); if (err < 0) goto fail5; pr_info("%s: registered device %s\n", dev->name, video_device_node_name(dev->vbi_dev)); if (card_has_radio(dev)) { dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio"); dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler; dev->radio_dev->lock = &dev->lock; err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, radio_nr[dev->nr]); if (err < 0) goto fail5; pr_info("%s: registered device %s\n", dev->name, video_device_node_name(dev->radio_dev)); } #ifdef CONFIG_MEDIA_CONTROLLER saa7134_create_entities(dev); err = v4l2_mc_create_media_graph(dev->media_dev); if (err) { pr_err("failed to create media graph\n"); goto fail5; } #endif /* everything worked */ saa7134_devcount++; if (saa7134_dmasound_init && !dev->dmasound.priv_data) saa7134_dmasound_init(dev); request_submodules(dev); /* * Do it at the end, to reduce dynamic configuration changes during * the device init. Yet, as request_modules() can be async, the * topology will likely change after load the saa7134 subdrivers. */ #ifdef CONFIG_MEDIA_CONTROLLER err = media_device_register(dev->media_dev); if (err) goto fail5; #endif return 0; fail5: saa7134_unregister_video(dev); saa7134_i2c_unregister(dev); free_irq(pci_dev->irq, dev); fail4: vb2_dma_sg_cleanup_ctx(dev->alloc_ctx); fail3: saa7134_hwfini(dev); iounmap(dev->lmmio); fail2: release_mem_region(pci_resource_start(pci_dev,0), pci_resource_len(pci_dev,0)); fail1: v4l2_device_unregister(&dev->v4l2_dev); fail0: #ifdef CONFIG_MEDIA_CONTROLLER kfree(dev->media_dev); #endif kfree(dev); return err; } static void saa7134_finidev(struct pci_dev *pci_dev) { struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); struct saa7134_mpeg_ops *mops; flush_request_submodules(dev); /* Release DMA sound modules if present */ if (saa7134_dmasound_exit && dev->dmasound.priv_data) { saa7134_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(&saa7134_devlist_lock); list_del(&dev->devlist); list_for_each_entry(mops, &mops_list, next) mpeg_ops_detach(mops, dev); mutex_unlock(&saa7134_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); vb2_dma_sg_cleanup_ctx(dev->alloc_ctx); iounmap(dev->lmmio); release_mem_region(pci_resource_start(pci_dev,0), pci_resource_len(pci_dev,0)); v4l2_device_unregister(&dev->v4l2_dev); saa7134_unregister_media_device(dev); /* free memory */ kfree(dev); } #ifdef CONFIG_PM /* resends a current buffer in queue after resume */ static int saa7134_buffer_requeue(struct saa7134_dev *dev, struct saa7134_dmaqueue *q) { struct saa7134_buf *buf, *next; assert_spin_locked(&dev->slock); buf = q->curr; next = buf; core_dbg("buffer_requeue\n"); if (!buf) return 0; core_dbg("buffer_requeue : resending active buffer\n"); if (!list_empty(&q->queue)) next = list_entry(q->queue.next, struct saa7134_buf, entry); buf->activate(dev, buf, next); return 0; } static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state) { struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); /* disable overlay - apps should enable it explicitly on resume*/ dev->ovenable = 0; /* Disable interrupts, DMA, and rest of the chip*/ saa_writel(SAA7134_IRQ1, 0); saa_writel(SAA7134_IRQ2, 0); saa_writel(SAA7134_MAIN_CTRL, 0); dev->insuspend = 1; synchronize_irq(pci_dev->irq); /* ACK interrupts once more, just in case, since the IRQ handler won't ack them anymore*/ saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); /* Disable timeout timers - if we have active buffers, we will fill them on resume*/ del_timer(&dev->video_q.timeout); del_timer(&dev->vbi_q.timeout); del_timer(&dev->ts_q.timeout); if (dev->remote) saa7134_ir_stop(dev); pci_save_state(pci_dev); pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)); return 0; } static int saa7134_resume(struct pci_dev *pci_dev) { struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); unsigned long flags; pci_set_power_state(pci_dev, PCI_D0); pci_restore_state(pci_dev); /* Do things that are done in saa7134_initdev , except of initializing memory structures.*/ saa7134_board_init1(dev); /* saa7134_hwinit1 */ if (saa7134_boards[dev->board].video_out) saa7134_videoport_init(dev); if (card_has_mpeg(dev)) saa7134_ts_init_hw(dev); if (dev->remote) saa7134_ir_start(dev); saa7134_hw_enable1(dev); msleep(100); saa7134_board_init2(dev); /*saa7134_hwinit2*/ saa7134_set_tvnorm_hw(dev); saa7134_tvaudio_setmute(dev); saa7134_tvaudio_setvolume(dev, dev->ctl_volume); saa7134_tvaudio_init(dev); saa7134_enable_i2s(dev); saa7134_hw_enable2(dev); saa7134_irq_video_signalchange(dev); /*resume unfinished buffer(s)*/ spin_lock_irqsave(&dev->slock, flags); saa7134_buffer_requeue(dev, &dev->video_q); saa7134_buffer_requeue(dev, &dev->vbi_q); saa7134_buffer_requeue(dev, &dev->ts_q); /* FIXME: Disable DMA audio sound - temporary till proper support is implemented*/ dev->dmasound.dma_running = 0; /* start DMA now*/ dev->insuspend = 0; smp_wmb(); saa7134_set_dmabits(dev); spin_unlock_irqrestore(&dev->slock, flags); return 0; } #endif /* ----------------------------------------------------------- */ int saa7134_ts_register(struct saa7134_mpeg_ops *ops) { struct saa7134_dev *dev; mutex_lock(&saa7134_devlist_lock); list_for_each_entry(dev, &saa7134_devlist, devlist) mpeg_ops_attach(ops, dev); list_add_tail(&ops->next,&mops_list); mutex_unlock(&saa7134_devlist_lock); return 0; } void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) { struct saa7134_dev *dev; mutex_lock(&saa7134_devlist_lock); list_del(&ops->next); list_for_each_entry(dev, &saa7134_devlist, devlist) mpeg_ops_detach(ops, dev); mutex_unlock(&saa7134_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 = saa7134_finidev, #ifdef CONFIG_PM .suspend = saa7134_suspend, .resume = saa7134_resume #endif }; static int __init saa7134_init(void) { INIT_LIST_HEAD(&saa7134_devlist); pr_info("saa7130/34: v4l2 driver version %s loaded\n", SAA7134_VERSION); return pci_register_driver(&saa7134_pci_driver); } static void __exit saa7134_fini(void) { pci_unregister_driver(&saa7134_pci_driver); } module_init(saa7134_init); module_exit(saa7134_fini); /* ----------------------------------------------------------- */ EXPORT_SYMBOL(saa7134_set_gpio); EXPORT_SYMBOL(saa7134_boards); /* ----------------- for the DMA sound modules --------------- */ EXPORT_SYMBOL(saa7134_dmasound_init); EXPORT_SYMBOL(saa7134_dmasound_exit); EXPORT_SYMBOL(saa7134_pgtable_free); EXPORT_SYMBOL(saa7134_pgtable_build); EXPORT_SYMBOL(saa7134_pgtable_alloc); EXPORT_SYMBOL(saa7134_set_dmabits);