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C++ saa7146_write函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中saa7146_write函数的典型用法代码示例。如果您正苦于以下问题：C++ saa7146_write函数的具体用法？C++ saa7146_write怎么用？C++ saa7146_write使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了saa7146_write函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: ttpci_budget_debiwrite

int ttpci_budget_debiwrite(struct budget *budget, u32 config, int addr,
			   int count, u32 value, int uselocks, int nobusyloop)
{
	struct saa7146_dev *saa = budget->dev;
	unsigned long flags = 0;
	int result;

	if (count > 4 || count <= 0)
		return 0;

	if (uselocks)
		spin_lock_irqsave(&budget->debilock, flags);

	if ((result = saa7146_wait_for_debi_done(saa, nobusyloop)) < 0) {
		if (uselocks)
			spin_unlock_irqrestore(&budget->debilock, flags);
		return result;
	}

	saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x00000 | (addr & 0xffff));
	saa7146_write(saa, DEBI_CONFIG, config);
	saa7146_write(saa, DEBI_PAGE, 0);
	saa7146_write(saa, DEBI_AD, value);
	saa7146_write(saa, MC2, (2 << 16) | 2);

	if ((result = saa7146_wait_for_debi_done(saa, nobusyloop)) < 0) {
		if (uselocks)
			spin_unlock_irqrestore(&budget->debilock, flags);
		return result;
	}

	if (uselocks)
		spin_unlock_irqrestore(&budget->debilock, flags);
	return 0;
}
开发者ID:03199618，项目名称:linux，代码行数:35，代码来源:budget-core.c


示例2: vbi_open

static int vbi_open(struct saa7146_dev *dev, struct file *file)
{
    struct saa7146_fh *fh = file->private_data;

    u32 arbtr_ctrl	= saa7146_read(dev, PCI_BT_V1);
    int ret = 0;

    DEB_VBI(("dev:%p, fh:%p\n",dev,fh));

    ret = saa7146_res_get(fh, RESOURCE_DMA3_BRS);
    if (0 == ret) {
        DEB_S(("cannot get vbi RESOURCE_DMA3_BRS resource\n"));
        return -EBUSY;
    }

    /* adjust arbitrition control for video dma 3 */
    arbtr_ctrl &= ~0x1f0000;
    arbtr_ctrl |=  0x1d0000;
    saa7146_write(dev, PCI_BT_V1, arbtr_ctrl);
    saa7146_write(dev, MC2, (MASK_04|MASK_20));

    memset(&fh->vbi_fmt,0,sizeof(fh->vbi_fmt));

    fh->vbi_fmt.sampling_rate	= 27000000;
    fh->vbi_fmt.offset		= 248; /* todo */
    fh->vbi_fmt.samples_per_line	= vbi_pixel_to_capture;
    fh->vbi_fmt.sample_format	= V4L2_PIX_FMT_GREY;

    fh->vbi_fmt.start[0] = 5;
    fh->vbi_fmt.count[0] = 16;
    fh->vbi_fmt.start[1] = 312;
    fh->vbi_fmt.count[1] = 16;

    videobuf_queue_sg_init(&fh->vbi_q, &vbi_qops,
                           &dev->pci->dev, &dev->slock,
                           V4L2_BUF_TYPE_VBI_CAPTURE,
                           V4L2_FIELD_SEQ_TB,
                           sizeof(struct saa7146_buf),
                           file);

    init_timer(&fh->vbi_read_timeout);
    fh->vbi_read_timeout.function = vbi_read_timeout;
    fh->vbi_read_timeout.data = (unsigned long)file;

    /* initialize the brs */
    if ( 0 != (SAA7146_USE_PORT_B_FOR_VBI & dev->ext_vv_data->flags)) {
        saa7146_write(dev, BRS_CTRL, MASK_30|MASK_29 | (7 << 19));
    } else {
        saa7146_write(dev, BRS_CTRL, 0x00000001);

        if (0 != (ret = vbi_workaround(dev))) {
            DEB_VBI(("vbi workaround failed!\n"));
            /* return ret;*/
        }
    }

    /* upload brs register */
    saa7146_write(dev, MC2, (MASK_08|MASK_24));
    return 0;
}
开发者ID:daodaoliang，项目名称:miwifi，代码行数:60，代码来源:saa7146_vbi.c


示例3: std_callback

static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard)
{
	struct mxb *mxb = (struct mxb *)dev->ext_priv;

	if (V4L2_STD_PAL_I == standard->id) {
		v4l2_std_id std = V4L2_STD_PAL_I;

		DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
		/* set the 7146 gpio register -- I don't know what this does exactly */
		saa7146_write(dev, GPIO_CTRL, 0x00404050);
		/* unset the 7111 gpio register -- I don't know what this does exactly */
		saa7111a_call(mxb, core, s_gpio, 0);
		tuner_call(mxb, core, s_std, std);
	} else {
		v4l2_std_id std = V4L2_STD_PAL_BG;

		DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
		/* set the 7146 gpio register -- I don't know what this does exactly */
		saa7146_write(dev, GPIO_CTRL, 0x00404050);
		/* set the 7111 gpio register -- I don't know what this does exactly */
		saa7111a_call(mxb, core, s_gpio, 1);
		tuner_call(mxb, core, s_std, std);
	}
	return 0;
}
开发者ID:Stefan-Schmidt，项目名称:linux-2.6，代码行数:25，代码来源:mxb.c


示例4: std_callback

static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard)
{
    struct mxb *mxb = (struct mxb *)dev->ext_priv;

    if (V4L2_STD_PAL_I == standard->id) {
        v4l2_std_id std = V4L2_STD_PAL_I;

        DEB_D("VIDIOC_S_STD: setting mxb for PAL_I\n");

        saa7146_write(dev, GPIO_CTRL, 0x00404050);

        saa7111a_call(mxb, core, s_gpio, 0);
        tuner_call(mxb, core, s_std, std);
    } else {
        v4l2_std_id std = V4L2_STD_PAL_BG;

        DEB_D("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM\n");

        saa7146_write(dev, GPIO_CTRL, 0x00404050);

        saa7111a_call(mxb, core, s_gpio, 1);
        tuner_call(mxb, core, s_std, std);
    }
    return 0;
}
开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:25，代码来源:mxb.c


示例5: vbi_stop

static void vbi_stop(struct saa7146_fh *fh, struct file *file)
{
	struct saa7146_dev *dev = fh->dev;
	struct saa7146_vv *vv = dev->vv_data;
	unsigned long flags;
	DEB_VBI("dev:%p, fh:%p\n", dev, fh);

	spin_lock_irqsave(&dev->slock,flags);

	/* disable rps1  */
	saa7146_write(dev, MC1, MASK_29);

	/* disable rps1 irqs */
	SAA7146_IER_DISABLE(dev, MASK_28);

	/* shut down dma 3 transfers */
	saa7146_write(dev, MC1, MASK_20);

	if (vv->vbi_dmaq.curr)
		saa7146_buffer_finish(dev, &vv->vbi_dmaq, VIDEOBUF_DONE);

	videobuf_queue_cancel(&fh->vbi_q);

	vv->vbi_streaming = NULL;

	del_timer(&vv->vbi_dmaq.timeout);
	del_timer(&vv->vbi_read_timeout);

	spin_unlock_irqrestore(&dev->slock, flags);
}
开发者ID:03199618，项目名称:linux，代码行数:30，代码来源:saa7146_vbi.c


示例6: saa7146_set_vbi_capture

static void saa7146_set_vbi_capture(struct saa7146_dev *dev, struct saa7146_buf *buf, struct saa7146_buf *next)
{
	struct saa7146_vv *vv = dev->vv_data;

	struct saa7146_video_dma vdma3;

	int count = 0;
	unsigned long e_wait = vv->current_hps_sync == SAA7146_HPS_SYNC_PORT_A ? CMD_E_FID_A : CMD_E_FID_B;
	unsigned long o_wait = vv->current_hps_sync == SAA7146_HPS_SYNC_PORT_A ? CMD_O_FID_A : CMD_O_FID_B;

	vdma3.base_even	= buf->pt[2].offset;
	vdma3.base_odd	= buf->pt[2].offset + 16 * vbi_pixel_to_capture;
	vdma3.prot_addr	= buf->pt[2].offset + 16 * 2 * vbi_pixel_to_capture;
	vdma3.pitch	= vbi_pixel_to_capture;
	vdma3.base_page	= buf->pt[2].dma | ME1;
	vdma3.num_line_byte = (16 << 16) | vbi_pixel_to_capture;

	saa7146_write_out_dma(dev, 3, &vdma3);

	/* write beginning of rps-program */
	count = 0;

	/* wait for o_fid_a/b / e_fid_a/b toggle only if bit 1 is not set */

	/* we don't wait here for the first field anymore. this is different from the video
	   capture and might cause that the first buffer is only half filled (with only
	   one field). but since this is some sort of streaming data, this is not that negative.
	   but by doing this, we can use the whole engine from videobuf-dma-sg.c... */

	/* set bit 1 */
	WRITE_RPS1(CMD_WR_REG | (1 << 8) | (MC2/4));
	WRITE_RPS1(MASK_28 | MASK_12);

	/* turn on video-dma3 */
	WRITE_RPS1(CMD_WR_REG_MASK | (MC1/4));
	WRITE_RPS1(MASK_04 | MASK_20);			/* => mask */
	WRITE_RPS1(MASK_04 | MASK_20);			/* => values */

	/* wait for o_fid_a/b / e_fid_a/b toggle */
	WRITE_RPS1(CMD_PAUSE | o_wait);
	WRITE_RPS1(CMD_PAUSE | e_wait);

	/* generate interrupt */
	WRITE_RPS1(CMD_INTERRUPT);

	/* stop */
	WRITE_RPS1(CMD_STOP);

	/* enable rps1 irqs */
	SAA7146_IER_ENABLE(dev, MASK_28);

	/* write the address of the rps-program */
	saa7146_write(dev, RPS_ADDR1, dev->d_rps1.dma_handle);

	/* turn on rps */
	saa7146_write(dev, MC1, (MASK_13 | MASK_29));
}
开发者ID:Medvedroid，项目名称:OT_903D-kernel-2.6.35.7，代码行数:57，代码来源:saa7146_vbi.c


示例7: video_end

static int video_end(struct saa7146_fh *fh, struct file *file)
{
	struct saa7146_dev *dev = fh->dev;
	struct saa7146_vv *vv = dev->vv_data;
	struct saa7146_format *fmt = NULL;
	unsigned long flags;
	unsigned int resource;
	u32 dmas = 0;
	DEB_EE(("dev:%p, fh:%p\n",dev,fh));

	if ((vv->video_status & STATUS_CAPTURE) != STATUS_CAPTURE) {
		DEB_S(("not capturing.\n"));
		return 0;
	}

	if (vv->video_fh != fh) {
		DEB_S(("capturing, but in another open.\n"));
		return -EBUSY;
	}

	fmt = format_by_fourcc(dev,fh->video_fmt.pixelformat);
	/* we need to have a valid format set here */
	BUG_ON(NULL == fmt);

	if (0 != (fmt->flags & FORMAT_IS_PLANAR)) {
		resource = RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP|RESOURCE_DMA3_BRS;
		dmas = MASK_22 | MASK_21 | MASK_20;
	} else {
		resource = RESOURCE_DMA1_HPS;
		dmas = MASK_22;
	}
	spin_lock_irqsave(&dev->slock,flags);

	/* disable rps0  */
	saa7146_write(dev, MC1, MASK_28);

	/* disable rps0 irqs */
	SAA7146_IER_DISABLE(dev, MASK_27);

	/* shut down all used video dma transfers */
	saa7146_write(dev, MC1, dmas);

	spin_unlock_irqrestore(&dev->slock, flags);

	vv->video_fh = NULL;
	vv->video_status = 0;

	saa7146_res_free(fh, resource);

	if (vv->ov_suspend != NULL) {
		saa7146_start_preview(vv->ov_suspend);
		vv->ov_suspend = NULL;
	}

	return 0;
}
开发者ID:BackupTheBerlios，项目名称:tew632-brp-svn，代码行数:56，代码来源:saa7146_video.c


示例8: vbi_open

static int vbi_open(struct saa7146_dev *dev, struct file *file)
{
	struct saa7146_fh *fh = file->private_data;
	struct saa7146_vv *vv = fh->dev->vv_data;

	u32 arbtr_ctrl	= saa7146_read(dev, PCI_BT_V1);
	int ret = 0;

	DEB_VBI("dev:%p, fh:%p\n", dev, fh);

	ret = saa7146_res_get(fh, RESOURCE_DMA3_BRS);
	if (0 == ret) {
		DEB_S("cannot get vbi RESOURCE_DMA3_BRS resource\n");
		return -EBUSY;
	}

	/* adjust arbitrition control for video dma 3 */
	arbtr_ctrl &= ~0x1f0000;
	arbtr_ctrl |=  0x1d0000;
	saa7146_write(dev, PCI_BT_V1, arbtr_ctrl);
	saa7146_write(dev, MC2, (MASK_04|MASK_20));

	videobuf_queue_sg_init(&fh->vbi_q, &vbi_qops,
			    &dev->pci->dev, &dev->slock,
			    V4L2_BUF_TYPE_VBI_CAPTURE,
			    V4L2_FIELD_SEQ_TB, // FIXME: does this really work?
			    sizeof(struct saa7146_buf),
			    file, &dev->v4l2_lock);

	vv->vbi_read_timeout.function = vbi_read_timeout;
	vv->vbi_read_timeout.data = (unsigned long)file;

	/* initialize the brs */
	if ( 0 != (SAA7146_USE_PORT_B_FOR_VBI & dev->ext_vv_data->flags)) {
		saa7146_write(dev, BRS_CTRL, MASK_30|MASK_29 | (7 << 19));
	} else {
		saa7146_write(dev, BRS_CTRL, 0x00000001);

		if (0 != (ret = vbi_workaround(dev))) {
			DEB_VBI("vbi workaround failed!\n");
			/* return ret;*/
		}
	}

	/* upload brs register */
	saa7146_write(dev, MC2, (MASK_08|MASK_24));
	return 0;
}
开发者ID:03199618，项目名称:linux，代码行数:48，代码来源:saa7146_vbi.c


示例9: video_begin

static int video_begin(struct saa7146_fh *fh)
{
	struct saa7146_dev *dev = fh->dev;
	struct saa7146_vv *vv = dev->vv_data;
	struct saa7146_format *fmt = NULL;
	unsigned int resource;
	int ret = 0, err = 0;

	DEB_EE(("dev:%p, fh:%p\n",dev,fh));

	if ((vv->video_status & STATUS_CAPTURE) != 0) {
		if (vv->video_fh == fh) {
			DEB_S(("already capturing.\n"));
			return 0;
		}
		DEB_S(("already capturing in another open.\n"));
		return -EBUSY;
	}

	if ((vv->video_status & STATUS_OVERLAY) != 0) {
		DEB_S(("warning: suspending overlay video for streaming capture.\n"));
		vv->ov_suspend = vv->video_fh;
		err = saa7146_stop_preview(vv->video_fh); /* side effect: video_status is now 0, video_fh is NULL */
		if (0 != err) {
			DEB_D(("suspending video failed. aborting\n"));
			return err;
		}
	}

	fmt = format_by_fourcc(dev,fh->video_fmt.pixelformat);
	/* we need to have a valid format set here */
	BUG_ON(NULL == fmt);

	if (0 != (fmt->flags & FORMAT_IS_PLANAR)) {
		resource = RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP|RESOURCE_DMA3_BRS;
	} else {
		resource = RESOURCE_DMA1_HPS;
	}

	ret = saa7146_res_get(fh, resource);
	if (0 == ret) {
		DEB_S(("cannot get capture resource %d\n",resource));
		if (vv->ov_suspend != NULL) {
			saa7146_start_preview(vv->ov_suspend);
			vv->ov_suspend = NULL;
		}
		return -EBUSY;
	}

	/* clear out beginning of streaming bit (rps register 0)*/
	saa7146_write(dev, MC2, MASK_27 );

	/* enable rps0 irqs */
	SAA7146_IER_ENABLE(dev, MASK_27);

	vv->video_fh = fh;
	vv->video_status = STATUS_CAPTURE;

	return 0;
}
开发者ID:BackupTheBerlios，项目名称:tew632-brp-svn，代码行数:60，代码来源:saa7146_video.c


示例10: interrupt_hw

/* interrupt handler */
static irqreturn_t interrupt_hw(int irq, void *dev_id)
{
	struct saa7146_dev *dev = dev_id;
	u32 isr;
	u32 ack_isr;

	/* read out the interrupt status register */
	ack_isr = isr = saa7146_read(dev, ISR);

	/* is this our interrupt? */
	if ( 0 == isr ) {
		/* nope, some other device */
		return IRQ_NONE;
	}

	if (dev->ext) {
		if (dev->ext->irq_mask & isr) {
			if (dev->ext->irq_func)
				dev->ext->irq_func(dev, &isr);
			isr &= ~dev->ext->irq_mask;
		}
	}
	if (0 != (isr & (MASK_27))) {
		DEB_INT(("irq: RPS0 (0x%08x).\n",isr));
		if (dev->vv_data && dev->vv_callback)
			dev->vv_callback(dev,isr);
		isr &= ~MASK_27;
	}
	if (0 != (isr & (MASK_28))) {
		if (dev->vv_data && dev->vv_callback)
			dev->vv_callback(dev,isr);
		isr &= ~MASK_28;
	}
	if (0 != (isr & (MASK_16|MASK_17))) {
		SAA7146_IER_DISABLE(dev, MASK_16|MASK_17);
		/* only wake up if we expect something */
		if (0 != dev->i2c_op) {
			dev->i2c_op = 0;
			wake_up(&dev->i2c_wq);
		} else {
			u32 psr = saa7146_read(dev, PSR);
			u32 ssr = saa7146_read(dev, SSR);
#ifdef CONFIG_DEBUG_PRINTK
			printk(KERN_WARNING "%s: unexpected i2c irq: isr %08x psr %08x ssr %08x\n",
			       dev->name, isr, psr, ssr);
#else
			;
#endif
		}
		isr &= ~(MASK_16|MASK_17);
	}
	if( 0 != isr ) {
		ERR(("warning: interrupt enabled, but not handled properly.(0x%08x)\n",isr));
		ERR(("disabling interrupt source(s)!\n"));
		SAA7146_IER_DISABLE(dev,isr);
	}
	saa7146_write(dev, ISR, ack_isr);
	return IRQ_HANDLED;
}
开发者ID:Epirex，项目名称:Chrono_Kernel-1，代码行数:60，代码来源:saa7146_core.c


示例11: stop_ts_capture

static int stop_ts_capture(struct budget *budget)
{
	dprintk(2, "budget: %p\n", budget);

	saa7146_write(budget->dev, MC1, MASK_20);	// DMA3 off
	SAA7146_IER_DISABLE(budget->dev, MASK_10);
	return 0;
}
开发者ID:03199618，项目名称:linux，代码行数:8，代码来源:budget-core.c


示例12: interrupt_hw

static irqreturn_t interrupt_hw(int irq, void *dev_id)
{
	struct saa7146_dev *dev = dev_id;
	u32 isr;
	u32 ack_isr;

	
	ack_isr = isr = saa7146_read(dev, ISR);

	
	if ( 0 == isr ) {
		
		return IRQ_NONE;
	}

	if (dev->ext) {
		if (dev->ext->irq_mask & isr) {
			if (dev->ext->irq_func)
				dev->ext->irq_func(dev, &isr);
			isr &= ~dev->ext->irq_mask;
		}
	}
	if (0 != (isr & (MASK_27))) {
		DEB_INT("irq: RPS0 (0x%08x)\n", isr);
		if (dev->vv_data && dev->vv_callback)
			dev->vv_callback(dev,isr);
		isr &= ~MASK_27;
	}
	if (0 != (isr & (MASK_28))) {
		if (dev->vv_data && dev->vv_callback)
			dev->vv_callback(dev,isr);
		isr &= ~MASK_28;
	}
	if (0 != (isr & (MASK_16|MASK_17))) {
		SAA7146_IER_DISABLE(dev, MASK_16|MASK_17);
		
		if (0 != dev->i2c_op) {
			dev->i2c_op = 0;
			wake_up(&dev->i2c_wq);
		} else {
			u32 psr = saa7146_read(dev, PSR);
			u32 ssr = saa7146_read(dev, SSR);
			pr_warn("%s: unexpected i2c irq: isr %08x psr %08x ssr %08x\n",
				dev->name, isr, psr, ssr);
		}
		isr &= ~(MASK_16|MASK_17);
	}
	if( 0 != isr ) {
		ERR("warning: interrupt enabled, but not handled properly.(0x%08x)\n",
		    isr);
		ERR("disabling interrupt source(s)!\n");
		SAA7146_IER_DISABLE(dev,isr);
	}
	saa7146_write(dev, ISR, ack_isr);
	return IRQ_HANDLED;
}
开发者ID:DirtyDroidX，项目名称:android_kernel_htc_m8ul，代码行数:56，代码来源:saa7146_core.c


示例13: ttpci_budget_debiwrite_nolock

static int ttpci_budget_debiwrite_nolock(struct budget *budget, u32 config,
		int addr, int count, u32 value, int nobusyloop)
{
	struct saa7146_dev *saa = budget->dev;
	int result;

	result = saa7146_wait_for_debi_done(saa, nobusyloop);
	if (result < 0)
		return result;

	saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x00000 | (addr & 0xffff));
	saa7146_write(saa, DEBI_CONFIG, config);
	saa7146_write(saa, DEBI_PAGE, 0);
	saa7146_write(saa, DEBI_AD, value);
	saa7146_write(saa, MC2, (2 << 16) | 2);

	result = saa7146_wait_for_debi_done(saa, nobusyloop);
	return result < 0 ? result : 0;
}
开发者ID:Lyude，项目名称:linux，代码行数:19，代码来源:budget-core.c


示例14: saa7146_setgpio

void saa7146_setgpio(struct saa7146_dev *dev, int port, u32 data)
{
    u32 value = 0;

    BUG_ON(port > 3);

    value = saa7146_read(dev, GPIO_CTRL);
    value &= ~(0xff << (8*port));
    value |= (data << (8*port));
    saa7146_write(dev, GPIO_CTRL, value);
}
开发者ID:chunyenho，项目名称:RTS-hw2，代码行数:11，代码来源:saa7146_core.c


示例15: stop_ts_capture

static int stop_ts_capture(struct budget *budget)
{
	DEB_EE(("budget: %p\n",budget));

        if (--budget->feeding)
                return budget->feeding;

        saa7146_write(budget->dev, MC1, MASK_20); // DMA3 off
	IER_DISABLE(budget->dev, MASK_10);
        return 0;
}
开发者ID:FelipeFernandes1988，项目名称:Alice-1121-Modem，代码行数:11，代码来源:budget-core.c


示例16: saa7146_remove_one

static void saa7146_remove_one(struct pci_dev *pdev)
{
    struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev);
    struct saa7146_dev *dev = to_saa7146_dev(v4l2_dev);
    struct {
        void *addr;
        dma_addr_t dma;
    } dev_map[] = {
        { dev->d_i2c.cpu_addr, dev->d_i2c.dma_handle },
        { dev->d_rps1.cpu_addr, dev->d_rps1.dma_handle },
        { dev->d_rps0.cpu_addr, dev->d_rps0.dma_handle },
        { NULL, 0 }
    }, *p;

    DEB_EE(("dev:%p\n",dev));

    dev->ext->detach(dev);
    /* Zero the PCI drvdata after use. */
    pci_set_drvdata(pdev, NULL);

    /* shut down all video dma transfers */
    saa7146_write(dev, MC1, 0x00ff0000);

    /* disable all irqs, release irq-routine */
    saa7146_write(dev, IER, 0);

    free_irq(pdev->irq, dev);

    for (p = dev_map; p->addr; p++)
        pci_free_consistent(pdev, SAA7146_RPS_MEM, p->addr, p->dma);

    iounmap(dev->mem);
    pci_release_region(pdev, 0);
    list_del(&dev->item);
    pci_disable_device(pdev);
    kfree(dev);

    saa7146_num--;
}
开发者ID:chunyenho，项目名称:RTS-hw2，代码行数:39，代码来源:saa7146_core.c


示例17: ttpci_budget_debiread_nolock

static int ttpci_budget_debiread_nolock(struct budget *budget, u32 config,
		int addr, int count, int nobusyloop)
{
	struct saa7146_dev *saa = budget->dev;
	int result;

	result = saa7146_wait_for_debi_done(saa, nobusyloop);
	if (result < 0)
		return result;

	saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x10000 | (addr & 0xffff));
	saa7146_write(saa, DEBI_CONFIG, config);
	saa7146_write(saa, DEBI_PAGE, 0);
	saa7146_write(saa, MC2, (2 << 16) | 2);

	result = saa7146_wait_for_debi_done(saa, nobusyloop);
	if (result < 0)
		return result;

	result = saa7146_read(saa, DEBI_AD);
	result &= (0xffffffffUL >> ((4 - count) * 8));
	return result;
}
开发者ID:Lyude，项目名称:linux，代码行数:23，代码来源:budget-core.c


示例18: saa7146_s_ctrl

int saa7146_s_ctrl(struct v4l2_ctrl *ctrl)
{
	struct saa7146_dev *dev = container_of(ctrl->handler,
				struct saa7146_dev, ctrl_handler);
	struct saa7146_vv *vv = dev->vv_data;
	u32 val;

	switch (ctrl->id) {
	case V4L2_CID_BRIGHTNESS:
		val = saa7146_read(dev, BCS_CTRL);
		val &= 0x00ffffff;
		val |= (ctrl->val << 24);
		saa7146_write(dev, BCS_CTRL, val);
		saa7146_write(dev, MC2, MASK_22 | MASK_06);
		break;

	case V4L2_CID_CONTRAST:
		val = saa7146_read(dev, BCS_CTRL);
		val &= 0xff00ffff;
		val |= (ctrl->val << 16);
		saa7146_write(dev, BCS_CTRL, val);
		saa7146_write(dev, MC2, MASK_22 | MASK_06);
		break;

	case V4L2_CID_SATURATION:
		val = saa7146_read(dev, BCS_CTRL);
		val &= 0xffffff00;
		val |= (ctrl->val << 0);
		saa7146_write(dev, BCS_CTRL, val);
		saa7146_write(dev, MC2, MASK_22 | MASK_06);
		break;

	case V4L2_CID_HFLIP:
		/* fixme: we can support changing VFLIP and HFLIP here... */
		if ((vv->video_status & STATUS_CAPTURE))
			return -EBUSY;
		vv->hflip = ctrl->val;
		break;

	case V4L2_CID_VFLIP:
		if ((vv->video_status & STATUS_CAPTURE))
			return -EBUSY;
		vv->vflip = ctrl->val;
		break;

	default:
		return -EINVAL;
	}

	if ((vv->video_status & STATUS_OVERLAY) != 0) { /* CHECK: && (vv->video_fh == fh)) */
		struct saa7146_fh *fh = vv->video_fh;

		saa7146_stop_preview(fh);
		saa7146_start_preview(fh);
	}
	return 0;
}
开发者ID:AdrianHuang，项目名称:linux-3.8.13，代码行数:57，代码来源:saa7146_video.c


示例19: ttpci_budget_init

int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev,
		      struct saa7146_pci_extension_data *info,
		      struct module *owner, short *adapter_nums)
{
	int ret = 0;
	struct budget_info *bi = info->ext_priv;
	int max_bufsize;
	int height_mask;

	memset(budget, 0, sizeof(struct budget));

	dprintk(2, "dev: %p, budget: %p\n", dev, budget);

	budget->card = bi;
	budget->dev = (struct saa7146_dev *) dev;

	switch(budget->card->type) {
	case BUDGET_FS_ACTIVY:
		budget->buffer_width = TS_WIDTH_ACTIVY;
		max_bufsize = TS_MAX_BUFSIZE_K_ACTIVY;
		height_mask = TS_HEIGHT_MASK_ACTIVY;
		break;

	case BUDGET_KNC1C:
	case BUDGET_KNC1CP:
	case BUDGET_CIN1200C:
	case BUDGET_KNC1C_MK3:
	case BUDGET_KNC1C_TDA10024:
	case BUDGET_KNC1CP_MK3:
	case BUDGET_CIN1200C_MK3:
		budget->buffer_width = TS_WIDTH_DVBC;
		max_bufsize = TS_MAX_BUFSIZE_K_DVBC;
		height_mask = TS_HEIGHT_MASK_DVBC;
		break;

	default:
		budget->buffer_width = TS_WIDTH;
		max_bufsize = TS_MAX_BUFSIZE_K;
		height_mask = TS_HEIGHT_MASK;
	}

	if (dma_buffer_size < TS_MIN_BUFSIZE_K)
		dma_buffer_size = TS_MIN_BUFSIZE_K;
	else if (dma_buffer_size > max_bufsize)
		dma_buffer_size = max_bufsize;

	budget->buffer_height = dma_buffer_size * 1024 / budget->buffer_width;
	if (budget->buffer_height > 0xfff) {
		budget->buffer_height /= 2;
		budget->buffer_height &= height_mask;
		budget->buffer_size = 2 * budget->buffer_height * budget->buffer_width;
	} else {
		budget->buffer_height &= height_mask;
		budget->buffer_size = budget->buffer_height * budget->buffer_width;
	}
	budget->buffer_warning_threshold = budget->buffer_size * 80/100;
	budget->buffer_warnings = 0;
	budget->buffer_warning_time = jiffies;

	dprintk(2, "%s: buffer type = %s, width = %d, height = %d\n",
		budget->dev->name,
		budget->buffer_size > budget->buffer_width * budget->buffer_height ? "odd/even" : "single",
		budget->buffer_width, budget->buffer_height);
	printk("%s: dma buffer size %u\n", budget->dev->name, budget->buffer_size);

	ret = dvb_register_adapter(&budget->dvb_adapter, budget->card->name,
				   owner, &budget->dev->pci->dev, adapter_nums);
	if (ret < 0)
		return ret;

	/* set dd1 stream a & b */
	saa7146_write(dev, DD1_STREAM_B, 0x00000000);
	saa7146_write(dev, MC2, (MASK_09 | MASK_25));
	saa7146_write(dev, MC2, (MASK_10 | MASK_26));
	saa7146_write(dev, DD1_INIT, 0x02000000);
	saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));

	if (bi->type != BUDGET_FS_ACTIVY)
		budget->video_port = BUDGET_VIDEO_PORTB;
	else
		budget->video_port = BUDGET_VIDEO_PORTA;
	spin_lock_init(&budget->feedlock);
	spin_lock_init(&budget->debilock);

	/* the Siemens DVB needs this if you want to have the i2c chips
	   get recognized before the main driver is loaded */
	if (bi->type != BUDGET_FS_ACTIVY)
		saa7146_write(dev, GPIO_CTRL, 0x500000);	/* GPIO 3 = 1 */

	strlcpy(budget->i2c_adap.name, budget->card->name, sizeof(budget->i2c_adap.name));

	saa7146_i2c_adapter_prepare(dev, &budget->i2c_adap, SAA7146_I2C_BUS_BIT_RATE_120);
	strcpy(budget->i2c_adap.name, budget->card->name);

	if (i2c_add_adapter(&budget->i2c_adap) < 0) {
		ret = -ENOMEM;
		goto err_dvb_unregister;
	}

	ttpci_eeprom_parse_mac(&budget->i2c_adap, budget->dvb_adapter.proposed_mac);
//.........这里部分代码省略.........
开发者ID:03199618，项目名称:linux，代码行数:101，代码来源:budget-core.c


示例20: mxb_init_done

static int mxb_init_done(struct saa7146_dev* dev)
{
    struct mxb* mxb = (struct mxb*)dev->ext_priv;
    struct i2c_msg msg;
    struct tuner_setup tun_setup;
    v4l2_std_id std = V4L2_STD_PAL_BG;

    int i = 0, err = 0;


    saa7111a_call(mxb, core, s_std, std);


    i = 0;
    saa7111a_call(mxb, video, s_routing, SAA7115_COMPOSITE0,
                  SAA7111_FMT_CCIR, 0);


    tun_setup.mode_mask = T_ANALOG_TV;
    tun_setup.addr = ADDR_UNSET;
    tun_setup.type = TUNER_PHILIPS_PAL;
    tuner_call(mxb, tuner, s_type_addr, &tun_setup);

    mxb->cur_freq.tuner = 0;
    mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
    mxb->cur_freq.frequency = freq;
    tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);


    tuner_call(mxb, core, s_std, std);


    tea6420_route_line(mxb, 6);
    tea6420_route_cd(mxb, 6);


    tea6415c_call(mxb, video, s_routing, 3, 17, 0);


    tea6415c_call(mxb, video, s_routing, 3, 13, 0);


    mxb->cur_input = 0;
    mxb->cur_mute = 1;

    mxb->cur_mode = V4L2_TUNER_MODE_STEREO;

    msg.addr = 0x1b;
    msg.flags = 0;
    msg.len = mxb_saa7740_init[0].length;
    msg.buf = &mxb_saa7740_init[0].data[0];

    err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
    if (err == 1) {
        extension.flags &= ~SAA7146_USE_I2C_IRQ;
        for (i = 1; ; i++) {
            if (-1 == mxb_saa7740_init[i].length)
                break;

            msg.len = mxb_saa7740_init[i].length;
            msg.buf = &mxb_saa7740_init[i].data[0];
            err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
            if (err != 1) {
                DEB_D("failed to initialize 'sound arena module'\n");
                goto err;
            }
        }
        pr_info("'sound arena module' detected\n");
    }
err:




    saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source,
                                    input_port_selection[mxb->cur_input].hps_sync);



    saa7146_write(dev, DD1_STREAM_B,	0x00000000);
    saa7146_write(dev, DD1_INIT,		0x02000200);
    saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));

    return 0;
}
开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:85，代码来源:mxb.c



注：本文中的saa7146_write函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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