diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-core.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-core.c | 1368 |
1 files changed, 0 insertions, 1368 deletions
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c deleted file mode 100644 index 5fbb4e49495c..000000000000 --- a/drivers/media/video/saa7134/saa7134-core.c +++ /dev/null @@ -1,1368 +0,0 @@ -/* - * - * 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/init.h> -#include <linux/list.h> -#include <linux/module.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 <linux/pm.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"); -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]"); - -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 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); -} - -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: dprintk("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 */ - dprintk("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 (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_sync(&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(buf->vb.bsize) * buf->vb.i; -} - -unsigned long saa7134_buffer_base(struct saa7134_buf *buf) -{ - unsigned long base; - struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); - - base = saa7134_buffer_startpage(buf) * 4096; - base += 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 = 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++) - 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) -{ - struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); - BUG_ON(in_interrupt()); - - videobuf_waiton(q, &buf->vb, 0, 0); - videobuf_dma_unmap(q->dev, dma); - videobuf_dma_free(dma); - buf->vb.state = VIDEOBUF_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 = VIDEOBUF_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 = VIDEOBUF_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); - - if (card_has_mpeg(dev)) - if (dev->ts_started) - saa7134_ts_stop(dev); - } -} - -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,VIDEOBUF_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); - - 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->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_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 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) ) - { - if (irq_debug > 1) - printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n", - dev->name); - report &= ~SAA7134_IRQ_REPORT_DONE_RA3; - } - - if (0 == report) { - if (irq_debug > 1) - printk(KERN_DEBUG "%s/irq: no (more) work\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) || - (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)) - 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_P); - saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N); - } 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_P); - saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N); - } 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_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) -{ - dprintk("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) -{ - - dprintk("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) -{ - dprintk("hwfini\n"); - - if (card_has_mpeg(dev)) - saa7134_ts_fini(dev); - saa7134_input_fini(dev); - saa7134_vbi_fini(dev); - saa7134_tvaudio_fini(dev); - return 0; -} - -static void __devinit must_configure_manually(int has_eeprom) -{ - unsigned int i,p; - - if (!has_eeprom) - 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"); - else - printk(KERN_WARNING - "saa7134: Board is currently unknown. You might try to use the card=<nr>\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++) { - 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->v4l2_dev = &dev->v4l2_dev; - vfd->release = video_device_release; - vfd->debug = video_debug; - 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) -{ - 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 __devinit 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; - - 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; - } - - 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|PCIAGP_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 */ - dev->pci_rev = pci_dev->revision; - 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%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); - if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) { - 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_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]; - 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, 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; - printk(KERN_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; - 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, - IRQF_SHARED | IRQF_DISABLED, 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); - saa7134_board_init2(dev); - - saa7134_hwinit2(dev); - - /* load i2c helpers */ - if (card_is_empress(dev)) { - struct v4l2_subdev *sd = - v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, - "saa6752hs", - saa7134_boards[dev->board].empress_addr, NULL); - - if (sd) - 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) { - printk(KERN_INFO "%s: found RDS decoder\n", dev->name); - dev->has_rds = 1; - } - } - - v4l2_prio_init(&dev->prio); - - 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) - printk(KERN_INFO "%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 %s [v4l2]\n", - dev->name, video_device_node_name(dev->video_dev)); - - dev->vbi_dev = vdev_init(dev, &saa7134_video_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 %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"); - 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 %s\n", - dev->name, video_device_node_name(dev->radio_dev)); - } - - /* everything worked */ - saa7134_devcount++; - - if (saa7134_dmasound_init && !dev->dmasound.priv_data) - saa7134_dmasound_init(dev); - - request_submodules(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: - v4l2_device_unregister(&dev->v4l2_dev); - fail0: - kfree(dev); - return err; -} - -static void __devexit 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); - iounmap(dev->lmmio); - release_mem_region(pci_resource_start(pci_dev,0), - pci_resource_len(pci_dev,0)); - - - v4l2_device_unregister(&dev->v4l2_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; - dprintk("buffer_requeue\n"); - - if (!buf) - return 0; - - dprintk("buffer_requeue : resending active buffers \n"); - - if (!list_empty(&q->queue)) - next = list_entry(q->queue.next, struct saa7134_buf, - vb.queue); - 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 = __devexit_p(saa7134_finidev), -#ifdef CONFIG_PM - .suspend = saa7134_suspend, - .resume = saa7134_resume -#endif -}; - -static int __init saa7134_init(void) -{ - INIT_LIST_HEAD(&saa7134_devlist); - printk(KERN_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); - -/* ----------------------------------------------------------- */ -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ |