本文整理汇总了C++中saa7146_read函数的典型用法代码示例。如果您正苦于以下问题：C++ saa7146_read函数的具体用法？C++ saa7146_read怎么用？C++ saa7146_read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_read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: saa7146_wait_for_debi_done_busyloop
static inline int saa7146_wait_for_debi_done_busyloop(struct saa7146_dev *dev,
unsigned long us1, unsigned long us2)
{
unsigned long loops;
/* wait for registers to be programmed */
loops = us1;
while (1) {
if (saa7146_read(dev, MC2) & 2)
break;
if (!loops--) {
printk(KERN_ERR "%s: %s timed out while waiting for "
"registers getting programmed\n",
dev->name, __func__);
return -ETIMEDOUT;
}
udelay(1);
}
/* wait for transfer to complete */
loops = us2 / 5;
while (1) {
if (!(saa7146_read(dev, PSR) & SPCI_DEBI_S))
break;
saa7146_read(dev, MC2);
if (!loops--) {
DEB_S(("%s: %s timed out while waiting for transfer "
"completion\n", dev->name, __func__));
return -ETIMEDOUT;
}
udelay(5);
}
return 0;
}
开发者ID:chunyenho，项目名称:RTS-hw2，代码行数:35，代码来源:saa7146_core.c
示例2: 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3: 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4: 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5: 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6: vpeirq
static void vpeirq (unsigned long data)
{
struct budget *budget = (struct budget*) data;
u8 *mem = (u8 *)(budget->grabbing);
u32 olddma = budget->ttbp;
u32 newdma = saa7146_read(budget->dev, PCI_VDP3);
/* nearest lower position divisible by 188 */
newdma -= newdma % 188;
if (newdma >= TS_BUFLEN)
return;
budget->ttbp = newdma;
if(budget->feeding == 0 || newdma == olddma)
return;
if (newdma > olddma) { /* no wraparound, dump olddma..newdma */
dvb_dmx_swfilter_packets(&budget->demux,
mem+olddma, (newdma-olddma) / 188);
} else { /* wraparound, dump olddma..buflen and 0..newdma */
dvb_dmx_swfilter_packets(&budget->demux,
mem+olddma, (TS_BUFLEN-olddma) / 188);
dvb_dmx_swfilter_packets(&budget->demux,
mem, newdma / 188);
}
}
开发者ID:FelipeFernandes1988，项目名称:Alice-1121-Modem，代码行数:28，代码来源:budget-core.c
示例7: dump_registers
static void dump_registers(struct saa7146_dev* dev)
{
int i = 0;
pr_info(" @ %li jiffies:\n", jiffies);
for (i = 0; i <= 0x148; i += 4)
pr_info("0x%03x: 0x%08x\n", i, saa7146_read(dev, i));
}
开发者ID:DirtyDroidX，项目名称:android_kernel_htc_m8ul，代码行数:8，代码来源:saa7146_core.c
示例8: 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9: get_control
static int get_control(struct saa7146_fh *fh, struct v4l2_control *c)
{
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
const struct v4l2_queryctrl* ctrl;
u32 value = 0;
ctrl = ctrl_by_id(c->id);
if (NULL == ctrl)
return -EINVAL;
switch (c->id) {
case V4L2_CID_BRIGHTNESS:
value = saa7146_read(dev, BCS_CTRL);
c->value = 0xff & (value >> 24);
DEB_D(("V4L2_CID_BRIGHTNESS: %d\n",c->value));
break;
case V4L2_CID_CONTRAST:
value = saa7146_read(dev, BCS_CTRL);
c->value = 0x7f & (value >> 16);
DEB_D(("V4L2_CID_CONTRAST: %d\n",c->value));
break;
case V4L2_CID_SATURATION:
value = saa7146_read(dev, BCS_CTRL);
c->value = 0x7f & (value >> 0);
DEB_D(("V4L2_CID_SATURATION: %d\n",c->value));
break;
case V4L2_CID_VFLIP:
c->value = vv->vflip;
DEB_D(("V4L2_CID_VFLIP: %d\n",c->value));
break;
case V4L2_CID_HFLIP:
c->value = vv->hflip;
DEB_D(("V4L2_CID_HFLIP: %d\n",c->value));
break;
default:
return -EINVAL;
}
return 0;
}
开发者ID:BackupTheBerlios，项目名称:tew632-brp-svn，代码行数:41，代码来源:saa7146_video.c
示例10: dump_registers
static void dump_registers(struct saa7146_dev* dev)
{
int i = 0;
INFO((" @ %li jiffies:\n",jiffies));
for(i = 0; i <= 0x148; i+=4) {
#ifdef CONFIG_DEBUG_PRINTK
printk("0x%03x: 0x%08x\n",i,saa7146_read(dev,i));
#else
;
#endif
}
}
开发者ID:Epirex，项目名称:Chrono_Kernel-1，代码行数:13，代码来源:saa7146_core.c
示例11: saa7146_wait_for_debi_done_sleep
/* This DEBI code is based on the saa7146 Stradis driver by Nathan Laredo */
static inline int saa7146_wait_for_debi_done_sleep(struct saa7146_dev *dev,
unsigned long us1, unsigned long us2)
{
unsigned long timeout;
int err;
/* wait for registers to be programmed */
timeout = jiffies + usecs_to_jiffies(us1);
while (1) {
err = time_after(jiffies, timeout);
if (saa7146_read(dev, MC2) & 2)
break;
if (err) {
printk(KERN_ERR "%s: %s timed out while waiting for "
"registers getting programmed\n",
dev->name, __func__);
return -ETIMEDOUT;
}
msleep(1);
}
/* wait for transfer to complete */
timeout = jiffies + usecs_to_jiffies(us2);
while (1) {
err = time_after(jiffies, timeout);
if (!(saa7146_read(dev, PSR) & SPCI_DEBI_S))
break;
saa7146_read(dev, MC2);
if (err) {
DEB_S(("%s: %s timed out while waiting for transfer "
"completion\n", dev->name, __func__));
return -ETIMEDOUT;
}
msleep(1);
}
return 0;
}
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12: 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13: vpeirq
static void vpeirq(unsigned long data)
{
struct budget *budget = (struct budget *) data;
u8 *mem = (u8 *) (budget->grabbing);
u32 olddma = budget->ttbp;
u32 newdma = saa7146_read(budget->dev, PCI_VDP3);
u32 count;
/* Ensure streamed PCI data is synced to CPU */
pci_dma_sync_sg_for_cpu(budget->dev->pci, budget->pt.slist, budget->pt.nents, PCI_DMA_FROMDEVICE);
/* nearest lower position divisible by 188 */
newdma -= newdma % 188;
if (newdma >= budget->buffer_size)
return;
budget->ttbp = newdma;
if (budget->feeding == 0 || newdma == olddma)
return;
if (newdma > olddma) { /* no wraparound, dump olddma..newdma */
count = newdma - olddma;
dvb_dmx_swfilter_packets(&budget->demux, mem + olddma, count / 188);
} else { /* wraparound, dump olddma..buflen and 0..newdma */
count = budget->buffer_size - olddma;
dvb_dmx_swfilter_packets(&budget->demux, mem + olddma, count / 188);
count += newdma;
dvb_dmx_swfilter_packets(&budget->demux, mem, newdma / 188);
}
if (count > budget->buffer_warning_threshold)
budget->buffer_warnings++;
if (budget->buffer_warnings && time_after(jiffies, budget->buffer_warning_time)) {
printk("%s %s: used %d times >80%% of buffer (%u bytes now)\n",
budget->dev->name, __func__, budget->buffer_warnings, count);
budget->buffer_warning_time = jiffies + BUFFER_WARNING_WAIT;
budget->buffer_warnings = 0;
}
}
开发者ID:03199618，项目名称:linux，代码行数:42，代码来源:budget-core.c
示例14: ttpci_budget_debiread
int ttpci_budget_debiread(struct budget *budget, u32 config, int addr, int count,
int uselocks, int nobusyloop)
{
struct saa7146_dev *saa = budget->dev;
int result = 0;
unsigned long flags = 0;
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) | 0x10000 | (addr & 0xffff));
saa7146_write(saa, DEBI_CONFIG, config);
saa7146_write(saa, DEBI_PAGE, 0);
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;
}
result = saa7146_read(saa, DEBI_AD);
result &= (0xffffffffUL >> ((4 - count) * 8));
if (uselocks)
spin_unlock_irqrestore(&budget->debilock, flags);
return result;
}
开发者ID:03199618，项目名称:linux，代码行数:38，代码来源:budget-core.c
示例15: 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16: set_control
static int set_control(struct saa7146_fh *fh, struct v4l2_control *c)
{
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
const struct v4l2_queryctrl* ctrl;
ctrl = ctrl_by_id(c->id);
if (NULL == ctrl) {
DEB_D(("unknown control %d\n",c->id));
return -EINVAL;
}
down(&dev->lock);
switch (ctrl->type) {
case V4L2_CTRL_TYPE_BOOLEAN:
case V4L2_CTRL_TYPE_MENU:
case V4L2_CTRL_TYPE_INTEGER:
if (c->value < ctrl->minimum)
c->value = ctrl->minimum;
if (c->value > ctrl->maximum)
c->value = ctrl->maximum;
break;
default:
/* nothing */;
};
switch (c->id) {
case V4L2_CID_BRIGHTNESS: {
u32 value = saa7146_read(dev, BCS_CTRL);
value &= 0x00ffffff;
value |= (c->value << 24);
saa7146_write(dev, BCS_CTRL, value);
saa7146_write(dev, MC2, MASK_22 | MASK_06 );
break;
}
case V4L2_CID_CONTRAST: {
u32 value = saa7146_read(dev, BCS_CTRL);
value &= 0xff00ffff;
value |= (c->value << 16);
saa7146_write(dev, BCS_CTRL, value);
saa7146_write(dev, MC2, MASK_22 | MASK_06 );
break;
}
case V4L2_CID_SATURATION: {
u32 value = saa7146_read(dev, BCS_CTRL);
value &= 0xffffff00;
value |= (c->value << 0);
saa7146_write(dev, BCS_CTRL, value);
saa7146_write(dev, MC2, MASK_22 | MASK_06 );
break;
}
case V4L2_CID_HFLIP:
/* fixme: we can support changing VFLIP and HFLIP here... */
if (IS_CAPTURE_ACTIVE(fh) != 0) {
DEB_D(("V4L2_CID_HFLIP while active capture.\n"));
up(&dev->lock);
return -EINVAL;
}
vv->hflip = c->value;
break;
case V4L2_CID_VFLIP:
if (IS_CAPTURE_ACTIVE(fh) != 0) {
DEB_D(("V4L2_CID_VFLIP while active capture.\n"));
up(&dev->lock);
return -EINVAL;
}
vv->vflip = c->value;
break;
default: {
return -EINVAL;
}
}
up(&dev->lock);
if (IS_OVERLAY_ACTIVE(fh) != 0) {
saa7146_stop_preview(fh);
saa7146_start_preview(fh);
}
return 0;
}
开发者ID:BackupTheBerlios，项目名称:tew632-brp-svn，代码行数:82，代码来源:saa7146_video.c
示例17: vbi_workaround
//.........这里部分代码省略.........
saa7146_write(dev, BASE_PAGE3, 0x0);
saa7146_write(dev, NUM_LINE_BYTE3, (2<<16)|((vbi_pixel_to_capture)<<0));
saa7146_write(dev, MC2, MASK_04|MASK_20);
/* load brs-control register */
WRITE_RPS1(CMD_WR_REG | (1 << 8) | (BRS_CTRL/4));
/* BXO = 1h, BRS to outbound */
WRITE_RPS1(0xc000008c);
/* wait for vbi_a or vbi_b*/
if ( 0 != (SAA7146_USE_PORT_B_FOR_VBI & dev->ext_vv_data->flags)) {
DEB_D("...using port b\n");
WRITE_RPS1(CMD_PAUSE | CMD_OAN | CMD_SIG1 | CMD_E_FID_B);
WRITE_RPS1(CMD_PAUSE | CMD_OAN | CMD_SIG1 | CMD_O_FID_B);
/*
WRITE_RPS1(CMD_PAUSE | MASK_09);
*/
} else {
DEB_D("...using port a\n");
WRITE_RPS1(CMD_PAUSE | MASK_10);
}
/* upload brs */
WRITE_RPS1(CMD_UPLOAD | MASK_08);
/* load brs-control register */
WRITE_RPS1(CMD_WR_REG | (1 << 8) | (BRS_CTRL/4));
/* BYO = 1, BXO = NQBIL (=1728 for PAL, for NTSC this is 858*2) - NumByte3 (=1440) = 288 */
WRITE_RPS1(((1728-(vbi_pixel_to_capture)) << 7) | MASK_19);
/* wait for brs_done */
WRITE_RPS1(CMD_PAUSE | MASK_08);
/* upload brs */
WRITE_RPS1(CMD_UPLOAD | MASK_08);
/* load video-dma3 NumLines3 and NumBytes3 */
WRITE_RPS1(CMD_WR_REG | (1 << 8) | (NUM_LINE_BYTE3/4));
/* dev->vbi_count*2 lines, 720 pixel (= 1440 Bytes) */
WRITE_RPS1((2 << 16) | (vbi_pixel_to_capture));
/* load brs-control register */
WRITE_RPS1(CMD_WR_REG | (1 << 8) | (BRS_CTRL/4));
/* Set BRS right: note: this is an experimental value for BXO (=> PAL!) */
WRITE_RPS1((540 << 7) | (5 << 19)); // 5 == vbi_start
/* wait for brs_done */
WRITE_RPS1(CMD_PAUSE | MASK_08);
/* upload brs and video-dma3*/
WRITE_RPS1(CMD_UPLOAD | MASK_08 | MASK_04);
/* load mc2 register: enable dma3 */
WRITE_RPS1(CMD_WR_REG | (1 << 8) | (MC1/4));
WRITE_RPS1(MASK_20 | MASK_04);
/* generate interrupt */
WRITE_RPS1(CMD_INTERRUPT);
/* stop rps1 */
WRITE_RPS1(CMD_STOP);
/* we have to do the workaround twice to be sure that
everything is ok */
for(i = 0; i < 2; i++) {
/* indicate to the irq handler that we do the workaround */
saa7146_write(dev, MC2, MASK_31|MASK_15);
saa7146_write(dev, NUM_LINE_BYTE3, (1<<16)|(2<<0));
saa7146_write(dev, MC2, MASK_04|MASK_20);
/* enable rps1 irqs */
SAA7146_IER_ENABLE(dev,MASK_28);
/* prepare to wait to be woken up by the irq-handler */
add_wait_queue(&vv->vbi_wq, &wait);
current->state = TASK_INTERRUPTIBLE;
/* start rps1 to enable workaround */
saa7146_write(dev, RPS_ADDR1, dev->d_rps1.dma_handle);
saa7146_write(dev, MC1, (MASK_13 | MASK_29));
schedule();
DEB_VBI("brs bug workaround %d/1\n", i);
remove_wait_queue(&vv->vbi_wq, &wait);
current->state = TASK_RUNNING;
/* disable rps1 irqs */
SAA7146_IER_DISABLE(dev,MASK_28);
/* stop video-dma3 */
saa7146_write(dev, MC1, MASK_20);
if(signal_pending(current)) {
DEB_VBI("aborted (rps:0x%08x)\n",
saa7146_read(dev, RPS_ADDR1));
/* stop rps1 for sure */
saa7146_write(dev, MC1, MASK_29);
pci_free_consistent(dev->pci, 4096, cpu, dma_addr);
return -EINTR;
}
}
pci_free_consistent(dev->pci, 4096, cpu, dma_addr);
return 0;
}
开发者ID:03199618，项目名称:linux，代码行数:101，代码来源:saa7146_vbi.c
示例18: start_ts_capture
static int start_ts_capture(struct budget *budget)
{
struct saa7146_dev *dev = budget->dev;
dprintk(2, "budget: %p\n", budget);
if (!budget->feeding || !budget->fe_synced)
return 0;
saa7146_write(dev, MC1, MASK_20);
memset(budget->grabbing, 0x00, budget->buffer_size);
saa7146_write(dev, PCI_BT_V1, 0x001c0000 | (saa7146_read(dev, PCI_BT_V1) & ~0x001f0000));
budget->ttbp = 0;
switch(budget->card->type) {
case BUDGET_FS_ACTIVY:
saa7146_write(dev, DD1_INIT, 0x04000000);
saa7146_write(dev, MC2, (MASK_09 | MASK_25));
saa7146_write(dev, BRS_CTRL, 0x00000000);
break;
case BUDGET_PATCH:
saa7146_write(dev, DD1_INIT, 0x00000200);
saa7146_write(dev, MC2, (MASK_10 | MASK_26));
saa7146_write(dev, BRS_CTRL, 0x60000000);
break;
case BUDGET_CIN1200C_MK3:
case BUDGET_KNC1C_MK3:
case BUDGET_KNC1C_TDA10024:
case BUDGET_KNC1CP_MK3:
if (budget->video_port == BUDGET_VIDEO_PORTA) {
saa7146_write(dev, DD1_INIT, 0x06000200);
saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
saa7146_write(dev, BRS_CTRL, 0x00000000);
} else {
saa7146_write(dev, DD1_INIT, 0x00000600);
saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
saa7146_write(dev, BRS_CTRL, 0x60000000);
}
break;
default:
if (budget->video_port == BUDGET_VIDEO_PORTA) {
saa7146_write(dev, DD1_INIT, 0x06000200);
saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
saa7146_write(dev, BRS_CTRL, 0x00000000);
} else {
saa7146_write(dev, DD1_INIT, 0x02000600);
saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
saa7146_write(dev, BRS_CTRL, 0x60000000);
}
}
saa7146_write(dev, MC2, (MASK_08 | MASK_24));
mdelay(10);
saa7146_write(dev, BASE_ODD3, 0);
if (budget->buffer_size > budget->buffer_height * budget->buffer_width) {
saa7146_write(dev, BASE_EVEN3, budget->buffer_height * budget->buffer_width);
} else {
saa7146_write(dev, BASE_EVEN3, 0);
}
saa7146_write(dev, PROT_ADDR3, budget->buffer_size);
saa7146_write(dev, BASE_PAGE3, budget->pt.dma | ME1 | 0x90);
saa7146_write(dev, PITCH3, budget->buffer_width);
saa7146_write(dev, NUM_LINE_BYTE3,
(budget->buffer_height << 16) | budget->buffer_width);
saa7146_write(dev, MC2, (MASK_04 | MASK_20));
SAA7146_ISR_CLEAR(budget->dev, MASK_10);
SAA7146_IER_ENABLE(budget->dev, MASK_10);
saa7146_write(dev, MC1, (MASK_04 | MASK_20));
return 0;
}
开发者ID:DirtyDroidX，项目名称:android_kernel_htc_m8ul，代码行数:81，代码来源:budget-core.c
示例19: start_ts_capture
static int start_ts_capture (struct budget *budget)
{
struct saa7146_dev *dev=budget->dev;
DEB_EE(("budget: %p\n",budget));
if (budget->feeding)
return ++budget->feeding;
saa7146_write(dev, MC1, MASK_20); // DMA3 off
memset(budget->grabbing, 0x00, TS_HEIGHT*TS_WIDTH);
saa7146_write(dev, PCI_BT_V1, 0x001c0000 |
(saa7146_read(dev, PCI_BT_V1) & ~0x001f0000));
budget->tsf=0xff;
budget->ttbp=0;
/*
* Signal path on the Activy:
*
* tuner -> SAA7146 port A -> SAA7146 BRS -> SAA7146 DMA3 -> memory
*
* Since the tuner feeds 204 bytes packets into the SAA7146,
* DMA3 is configured to strip the trailing 16 FEC bytes:
* Pitch: 188, NumBytes3: 188, NumLines3: 1024
*/
if (budget->card->type == BUDGET_FS_ACTIVY) {
saa7146_write(dev, DD1_INIT, 0x04000000);
saa7146_write(dev, MC2, (MASK_09 | MASK_25));
saa7146_write(dev, BRS_CTRL, 0x00000000);
} else {
if (budget->video_port == BUDGET_VIDEO_PORTA) {
saa7146_write(dev, DD1_INIT, 0x06000200);
saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
saa7146_write(dev, BRS_CTRL, 0x00000000);
} else {
saa7146_write(dev, DD1_INIT, 0x02000600);
saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
saa7146_write(dev, BRS_CTRL, 0x60000000);
}
}
saa7146_write(dev, MC2, (MASK_08 | MASK_24));
mdelay(10);
saa7146_write(dev, BASE_ODD3, 0);
saa7146_write(dev, BASE_EVEN3, 0);
saa7146_write(dev, PROT_ADDR3, TS_WIDTH*TS_HEIGHT);
saa7146_write(dev, BASE_PAGE3, budget->pt.dma |ME1|0x90);
if (budget->card->type == BUDGET_FS_ACTIVY) {
saa7146_write(dev, PITCH3, TS_WIDTH/2);
saa7146_write(dev, NUM_LINE_BYTE3, ((TS_HEIGHT*2)<<16)|(TS_WIDTH/2));
} else {
saa7146_write(dev, PITCH3, TS_WIDTH);
saa7146_write(dev, NUM_LINE_BYTE3, (TS_HEIGHT<<16)|TS_WIDTH);
}
saa7146_write(dev, MC2, (MASK_04 | MASK_20));
saa7146_write(dev, MC1, (MASK_04 | MASK_20)); // DMA3 on
IER_ENABLE(budget->dev, MASK_10); // VPE
return ++budget->feeding;
}
开发者ID:FelipeFernandes1988，项目名称:Alice-1121-Modem，代码行数:68，代码来源:budget-core.c
示例20: start_ts_capture
static int start_ts_capture(struct budget *budget)
{
struct saa7146_dev *dev = budget->dev;
dprintk(2, "budget: %p\n", budget);
if (!budget->feeding || !budget->fe_synced)
return 0;
saa7146_write(dev, MC1, MASK_20); // DMA3 off
memset(budget->grabbing, 0x00, budget->buffer_size);
saa7146_write(dev, PCI_BT_V1, 0x001c0000 | (saa7146_read(dev, PCI_BT_V1) & ~0x001f0000));
budget->ttbp = 0;
/*
* Signal path on the Activy:
*
* tuner -> SAA7146 port A -> SAA7146 BRS -> SAA7146 DMA3 -> memory
*
* Since the tuner feeds 204 bytes packets into the SAA7146,
* DMA3 is configured to strip the trailing 16 FEC bytes:
* Pitch: 188, NumBytes3: 188, NumLines3: 1024
*/
switch(budget->card->type) {
case BUDGET_FS_ACTIVY:
saa7146_write(dev, DD1_INIT, 0x04000000);
saa7146_write(dev, MC2, (MASK_09 | MASK_25));
saa7146_write(dev, BRS_CTRL, 0x00000000);
break;
case BUDGET_PATCH:
saa7146_write(dev, DD1_INIT, 0x00000200);
saa7146_write(dev, MC2, (MASK_10 | MASK_26));
saa7146_write(dev, BRS_CTRL, 0x60000000);
break;
case BUDGET_CIN1200C_MK3:
case BUDGET_KNC1C_MK3:
case BUDGET_KNC1C_TDA10024:
case BUDGET_KNC1CP_MK3:
if (budget->video_port == BUDGET_VIDEO_PORTA) {
saa7146_write(dev, DD1_INIT, 0x06000200);
saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
saa7146_write(dev, BRS_CTRL, 0x00000000);
} else {
saa7146_write(dev, DD1_INIT, 0x00000600);
saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
saa7146_write(dev, BRS_CTRL, 0x60000000);
}
break;
default:
if (budget->video_port == BUDGET_VIDEO_PORTA) {
saa7146_write(dev, DD1_INIT, 0x06000200);
saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
saa7146_write(dev, BRS_CTRL, 0x00000000);
} else {
saa7146_write(dev, DD1_INIT, 0x02000600);
saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
saa7146_write(dev, BRS_CTRL, 0x60000000);
}
}
saa7146_write(dev, MC2, (MASK_08 | MASK_24));
mdelay(10);
saa7146_write(dev, BASE_ODD3, 0);
if (budget->buffer_size > budget->buffer_height * budget->buffer_width) {
// using odd/even buffers
saa7146_write(dev, BASE_EVEN3, budget->buffer_height * budget->buffer_width);
} else {
// using a single buffer
saa7146_write(dev, BASE_EVEN3, 0);
}
saa7146_write(dev, PROT_ADDR3, budget->buffer_size);
saa7146_write(dev, BASE_PAGE3, budget->pt.dma | ME1 | 0x90);
saa7146_write(dev, PITCH3, budget->buffer_width);
saa7146_write(dev, NUM_LINE_BYTE3,
(budget->buffer_height << 16) | budget->buffer_width);
saa7146_write(dev, MC2, (MASK_04 | MASK_20));
SAA7146_ISR_CLEAR(budget->dev, MASK_10); /* VPE */
SAA7146_IER_ENABLE(budget->dev, MASK_10); /* VPE */
saa7146_write(dev, MC1, (MASK_04 | MASK_20)); /* DMA3 on */
return 0;
}
开发者ID:03199618，项目名称:linux，代码行数:90，代码来源:budget-core.c
注：本文中的saa7146_read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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