mirror of https://gitee.com/openkylin/linux.git
V4L/DVB (6271): V4L: Add basic support for suspend/resume for saa7134
This adds support for suspend/resume for core of saa7134 Should fix bug#7220 Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Maxim Levitsky
Mauro Carvalho Chehab
parent
f5a1ac64cc
commit
cb71201f20
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@ -31,6 +31,7 @@
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#include <linux/delay.h>
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#include <linux/mutex.h>
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#include <linux/dma-mapping.h>
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#include <linux/pm.h>
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#include "saa7134-reg.h"
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#include "saa7134.h"
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@ -392,6 +393,38 @@ void saa7134_buffer_timeout(unsigned long data)
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spin_unlock_irqrestore(&dev->slock,flags);
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}
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/* resends a current buffer in queue after resume */
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int saa7134_buffer_requeue(struct saa7134_dev *dev,
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struct saa7134_dmaqueue *q)
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{
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struct saa7134_buf *buf , *next;
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unsigned long flags;
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spin_lock_irqsave(&dev->slock, flags);
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buf = q->curr;
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next = buf;
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dprintk("buffer_requeue\n");
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if (!buf) {
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spin_unlock_irqrestore(&dev->slock, flags);
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return 0;
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}
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dprintk("buffer_requeue : resending active buffers \n");
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if (!list_empty(&q->queue))
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next = list_entry(q->queue.next, struct saa7134_buf,
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vb.queue);
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buf->activate(dev, buf, next);
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spin_unlock_irqrestore(&dev->slock, flags);
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return 0;
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}
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/* ------------------------------------------------------------------ */
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int saa7134_set_dmabits(struct saa7134_dev *dev)
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@ -647,6 +680,39 @@ static irqreturn_t saa7134_irq(int irq, void *dev_id)
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/* ------------------------------------------------------------------ */
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/* early init (no i2c, no irq) */
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static int saa7134_hw_enable1(struct saa7134_dev *dev)
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{
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/* RAM FIFO config */
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saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
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saa_writel(SAA7134_THRESHOULD, 0x02020202);
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/* enable audio + video processing */
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saa_writel(SAA7134_MAIN_CTRL,
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SAA7134_MAIN_CTRL_VPLLE |
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SAA7134_MAIN_CTRL_APLLE |
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SAA7134_MAIN_CTRL_EXOSC |
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SAA7134_MAIN_CTRL_EVFE1 |
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SAA7134_MAIN_CTRL_EVFE2 |
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SAA7134_MAIN_CTRL_ESFE |
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SAA7134_MAIN_CTRL_EBDAC);
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/*
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* Initialize OSS _after_ enabling audio clock PLL and audio processing.
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* OSS initialization writes to registers via the audio DSP; these
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* writes will fail unless the audio clock has been started. At worst,
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* audio will not work.
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*/
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/* enable peripheral devices */
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saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
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/* set vertical line numbering start (vbi needs this) */
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saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
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return 0;
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}
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static int saa7134_hwinit1(struct saa7134_dev *dev)
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{
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dprintk("hwinit1\n");
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@ -663,44 +729,16 @@ static int saa7134_hwinit1(struct saa7134_dev *dev)
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saa7134_ts_init1(dev);
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saa7134_input_init1(dev);
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/* RAM FIFO config */
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saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
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saa_writel(SAA7134_THRESHOULD,0x02020202);
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/* enable audio + video processing */
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saa_writel(SAA7134_MAIN_CTRL,
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SAA7134_MAIN_CTRL_VPLLE |
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SAA7134_MAIN_CTRL_APLLE |
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SAA7134_MAIN_CTRL_EXOSC |
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SAA7134_MAIN_CTRL_EVFE1 |
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SAA7134_MAIN_CTRL_EVFE2 |
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SAA7134_MAIN_CTRL_ESFE |
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SAA7134_MAIN_CTRL_EBDAC);
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/*
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* Initialize OSS _after_ enabling audio clock PLL and audio processing.
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* OSS initialization writes to registers via the audio DSP; these
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* writes will fail unless the audio clock has been started. At worst,
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* audio will not work.
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*/
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/* enable peripheral devices */
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saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
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/* set vertical line numbering start (vbi needs this) */
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saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
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saa7134_hw_enable1(dev);
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return 0;
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}
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/* late init (with i2c + irq) */
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static int saa7134_hwinit2(struct saa7134_dev *dev)
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static int saa7134_hw_enable2(struct saa7134_dev *dev)
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{
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unsigned int irq2_mask;
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dprintk("hwinit2\n");
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saa7134_video_init2(dev);
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saa7134_tvaudio_init2(dev);
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unsigned int irq2_mask;
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/* enable IRQ's */
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irq2_mask =
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@ -726,6 +764,20 @@ static int saa7134_hwinit2(struct saa7134_dev *dev)
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return 0;
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}
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static int saa7134_hwinit2(struct saa7134_dev *dev)
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{
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dprintk("hwinit2\n");
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saa7134_video_init2(dev);
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saa7134_tvaudio_init2(dev);
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saa7134_hw_enable2(dev);
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return 0;
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}
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/* shutdown */
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static int saa7134_hwfini(struct saa7134_dev *dev)
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{
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@ -1118,6 +1170,65 @@ static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
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kfree(dev);
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}
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static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
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{
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/* Disable card's IRQs to prevent it from resuming computer */
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struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
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saa_writel(SAA7134_IRQ1, 0);
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saa_writel(SAA7134_IRQ2, 0);
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pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
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pci_save_state(pci_dev);
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return 0;
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}
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static int saa7134_resume(struct pci_dev *pci_dev)
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{
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struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
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pci_restore_state(pci_dev);
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pci_set_power_state(pci_dev, PCI_D0);
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/* Do things that are done in saa7134_initdev ,
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except of initializing memory structures.*/
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saa7134_board_init1(dev);
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if (saa7134_boards[dev->board].video_out)
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saa7134_videoport_init(dev);
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if (card_has_mpeg(dev))
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saa7134_ts_init_hw(dev);
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saa7134_hw_enable1(dev);
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saa7134_set_decoder(dev);
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saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id);
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saa7134_board_init2(dev);
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saa7134_hw_enable2(dev);
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dev->force_mute_update = 1;
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saa7134_tvaudio_setmute(dev);
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dev->force_mute_update = 0;
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saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
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saa7134_enable_i2s(dev);
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/*recapture unfinished buffer(s)*/
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saa7134_buffer_requeue(dev, &dev->video_q);
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saa7134_buffer_requeue(dev, &dev->vbi_q);
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saa7134_buffer_requeue(dev, &dev->ts_q);
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return 0;
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}
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/* ----------------------------------------------------------- */
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int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
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@ -1159,6 +1270,8 @@ static struct pci_driver saa7134_pci_driver = {
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.id_table = saa7134_pci_tbl,
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.probe = saa7134_initdev,
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.remove = __devexit_p(saa7134_finidev),
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.suspend = saa7134_suspend,
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.resume = saa7134_resume
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};
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static int saa7134_init(void)
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@ -177,6 +177,22 @@ static unsigned int ts_nr_packets = 64;
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module_param(ts_nr_packets, int, 0444);
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MODULE_PARM_DESC(ts_nr_packets,"size of a ts buffers (in ts packets)");
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int saa7134_ts_init_hw(struct saa7134_dev *dev)
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{
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/* deactivate TS softreset */
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saa_writeb(SAA7134_TS_SERIAL1, 0x00);
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/* TSSOP high active, TSVAL high active, TSLOCK ignored */
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saa_writeb(SAA7134_TS_PARALLEL, 0xec);
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saa_writeb(SAA7134_TS_PARALLEL_SERIAL, (TS_PACKET_SIZE-1));
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saa_writeb(SAA7134_TS_DMA0, ((dev->ts.nr_packets-1)&0xff));
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saa_writeb(SAA7134_TS_DMA1, (((dev->ts.nr_packets-1)>>8)&0xff));
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/* TSNOPIT=0, TSCOLAP=0 */
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saa_writeb(SAA7134_TS_DMA2,
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((((dev->ts.nr_packets-1)>>16)&0x3f) | 0x00));
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return 0;
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}
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int saa7134_ts_init1(struct saa7134_dev *dev)
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{
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/* sanitycheck insmod options */
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@ -200,12 +216,7 @@ int saa7134_ts_init1(struct saa7134_dev *dev)
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saa7134_pgtable_alloc(dev->pci,&dev->ts.pt_ts);
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/* init TS hw */
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saa_writeb(SAA7134_TS_SERIAL1, 0x00); /* deactivate TS softreset */
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saa_writeb(SAA7134_TS_PARALLEL, 0xec); /* TSSOP high active, TSVAL high active, TSLOCK ignored */
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saa_writeb(SAA7134_TS_PARALLEL_SERIAL, (TS_PACKET_SIZE-1));
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saa_writeb(SAA7134_TS_DMA0, ((dev->ts.nr_packets-1)&0xff));
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saa_writeb(SAA7134_TS_DMA1, (((dev->ts.nr_packets-1)>>8)&0xff));
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saa_writeb(SAA7134_TS_DMA2, ((((dev->ts.nr_packets-1)>>16)&0x3f) | 0x00)); /* TSNOPIT=0, TSCOLAP=0 */
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saa7134_ts_init_hw(dev);
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return 0;
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}
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@ -231,7 +231,7 @@ static void mute_input_7134(struct saa7134_dev *dev)
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}
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if (dev->hw_mute == mute &&
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dev->hw_input == in) {
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dev->hw_input == in && !dev->force_mute_update) {
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dprintk("mute/input: nothing to do [mute=%d,input=%s]\n",
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mute,in->name);
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return;
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@ -876,7 +876,7 @@ static int tvaudio_thread_ddep(void *data)
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/* ------------------------------------------------------------------ */
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/* common stuff + external entry points */
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static void saa7134_enable_i2s(struct saa7134_dev *dev)
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void saa7134_enable_i2s(struct saa7134_dev *dev)
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{
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int i2s_format;
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@ -540,22 +540,12 @@ void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
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/* ------------------------------------------------------------------ */
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static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
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void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
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{
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int luma_control,sync_control,mux;
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dprintk("set tv norm = %s\n",norm->name);
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dev->tvnorm = norm;
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mux = card_in(dev,dev->ctl_input).vmux;
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luma_control = norm->luma_control;
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sync_control = norm->sync_control;
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if (mux > 5)
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luma_control |= 0x80; /* svideo */
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if (noninterlaced || dev->nosignal)
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sync_control |= 0x20;
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/* setup cropping */
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dev->crop_bounds.left = norm->h_start;
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dev->crop_defrect.left = norm->h_start;
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@ -570,6 +560,40 @@ static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
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dev->crop_current = dev->crop_defrect;
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saa7134_set_decoder(dev);
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if (card_in(dev, dev->ctl_input).tv) {
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if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
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&& ((card(dev).tuner_config == 1)
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|| (card(dev).tuner_config == 2)))
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saa7134_set_gpio(dev, 22, 5);
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saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &norm->id);
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}
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}
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static void video_mux(struct saa7134_dev *dev, int input)
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{
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dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
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dev->ctl_input = input;
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set_tvnorm(dev, dev->tvnorm);
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saa7134_tvaudio_setinput(dev, &card_in(dev, input));
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}
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void saa7134_set_decoder(struct saa7134_dev *dev)
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{
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int luma_control, sync_control, mux;
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struct saa7134_tvnorm *norm = dev->tvnorm;
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mux = card_in(dev, dev->ctl_input).vmux;
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luma_control = norm->luma_control;
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sync_control = norm->sync_control;
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if (mux > 5)
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luma_control |= 0x80; /* svideo */
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if (noninterlaced || dev->nosignal)
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sync_control |= 0x20;
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/* setup video decoder */
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saa_writeb(SAA7134_INCR_DELAY, 0x08);
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saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
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@ -604,23 +628,6 @@ static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
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saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
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saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
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saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
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/* only tell the tuner if this is a tv input */
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if (card_in(dev,dev->ctl_input).tv) {
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if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
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&& ((card(dev).tuner_config == 1)
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|| (card(dev).tuner_config == 2)))
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saa7134_set_gpio(dev, 22, 5);
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saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
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}
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}
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static void video_mux(struct saa7134_dev *dev, int input)
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{
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dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
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dev->ctl_input = input;
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set_tvnorm(dev,dev->tvnorm);
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saa7134_tvaudio_setinput(dev,&card_in(dev,input));
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}
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static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
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@ -2399,34 +2406,40 @@ int saa7134_video_init1(struct saa7134_dev *dev)
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dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
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dev->video_q.dev = dev;
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if (saa7134_boards[dev->board].video_out) {
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/* enable video output */
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int vo = saa7134_boards[dev->board].video_out;
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int video_reg;
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unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
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saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
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video_reg = video_out[vo][1];
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if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
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video_reg &= ~VP_T_CODE_P_INVERTED;
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saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
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saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
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saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
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saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
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video_reg = video_out[vo][5];
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if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
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video_reg &= ~VP_CLK_CTRL2_DELAYED;
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if (vid_port_opts & SET_CLOCK_INVERTED)
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video_reg |= VP_CLK_CTRL1_INVERTED;
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saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
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video_reg = video_out[vo][6];
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if (vid_port_opts & SET_VSYNC_OFF) {
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video_reg &= ~VP_VS_TYPE_MASK;
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video_reg |= VP_VS_TYPE_OFF;
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}
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saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
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saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
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saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
|
||||
if (saa7134_boards[dev->board].video_out)
|
||||
saa7134_videoport_init(dev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int saa7134_videoport_init(struct saa7134_dev *dev)
|
||||
{
|
||||
/* enable video output */
|
||||
int vo = saa7134_boards[dev->board].video_out;
|
||||
int video_reg;
|
||||
unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
|
||||
saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
|
||||
video_reg = video_out[vo][1];
|
||||
if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
|
||||
video_reg &= ~VP_T_CODE_P_INVERTED;
|
||||
saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
|
||||
saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
|
||||
saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
|
||||
saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
|
||||
video_reg = video_out[vo][5];
|
||||
if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
|
||||
video_reg &= ~VP_CLK_CTRL2_DELAYED;
|
||||
if (vid_port_opts & SET_CLOCK_INVERTED)
|
||||
video_reg |= VP_CLK_CTRL1_INVERTED;
|
||||
saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
|
||||
video_reg = video_out[vo][6];
|
||||
if (vid_port_opts & SET_VSYNC_OFF) {
|
||||
video_reg &= ~VP_VS_TYPE_MASK;
|
||||
video_reg |= VP_VS_TYPE_OFF;
|
||||
}
|
||||
saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
|
||||
saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
|
||||
saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -522,6 +522,7 @@ struct saa7134_dev {
|
|||
struct saa7134_input *input;
|
||||
struct saa7134_input *hw_input;
|
||||
unsigned int hw_mute;
|
||||
unsigned int force_mute_update;
|
||||
int last_carrier;
|
||||
int nosignal;
|
||||
|
||||
|
|
@ -594,6 +595,9 @@ void saa7134_buffer_next(struct saa7134_dev *dev, struct saa7134_dmaqueue *q);
|
|||
void saa7134_buffer_timeout(unsigned long data);
|
||||
void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf);
|
||||
|
||||
int saa7134_buffer_requeue(struct saa7134_dev *dev,
|
||||
struct saa7134_dmaqueue *q);
|
||||
|
||||
int saa7134_set_dmabits(struct saa7134_dev *dev);
|
||||
|
||||
extern int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
|
||||
|
|
@ -626,6 +630,10 @@ void saa7134_i2c_call_clients(struct saa7134_dev *dev,
|
|||
extern struct video_device saa7134_video_template;
|
||||
extern struct video_device saa7134_radio_template;
|
||||
|
||||
void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm);
|
||||
int saa7134_videoport_init(struct saa7134_dev *dev);
|
||||
void saa7134_set_decoder(struct saa7134_dev *dev);
|
||||
|
||||
int saa7134_common_ioctl(struct saa7134_dev *dev,
|
||||
unsigned int cmd, void *arg);
|
||||
|
||||
|
|
@ -649,6 +657,8 @@ void saa7134_irq_ts_done(struct saa7134_dev *dev, unsigned long status);
|
|||
int saa7134_ts_register(struct saa7134_mpeg_ops *ops);
|
||||
void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops);
|
||||
|
||||
int saa7134_ts_init_hw(struct saa7134_dev *dev);
|
||||
|
||||
/* ----------------------------------------------------------- */
|
||||
/* saa7134-vbi.c */
|
||||
|
||||
|
|
@ -677,6 +687,8 @@ int saa7134_tvaudio_do_scan(struct saa7134_dev *dev);
|
|||
|
||||
int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 value);
|
||||
|
||||
void saa7134_enable_i2s(struct saa7134_dev *dev);
|
||||
|
||||
/* ----------------------------------------------------------- */
|
||||
/* saa7134-oss.c */
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue