| /* |
| * |
| * 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 "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"); |
| |
| 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 DECLARE_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 saa7134_dev *dev,struct saa7134_buf *buf) |
| { |
| if (in_interrupt()) |
| BUG(); |
| |
| videobuf_waiton(&buf->vb,0,0); |
| videobuf_dma_pci_unmap(dev->pci, &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->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++; |
| |
| down(&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); |
| up(&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 */ |
| down(&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); |
| } |
| up(&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; |
| |
| down(&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); |
| up(&devlist_lock); |
| return 0; |
| } |
| |
| void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) |
| { |
| struct list_head *item; |
| struct saa7134_dev *dev; |
| |
| down(&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); |
| } |
| up(&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: |
| */ |