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V4L/DVB: V4L: vpfe_capture: Add call back function for interrupt clear for vpfe_cfg 

For the devices like AM3517, it is expected that driver clears the
interrupt in ISR. Since this is device spcific, callback function
added to the platform_data.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Muralidharan Karicheri <mkaricheri@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Vaibhav Hiremath 2010-03-27 09:37:07 -03:00 committed by Mauro Carvalho Chehab
parent fcc63274e6
commit 085b54a24f
2 changed files with 22 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/media/video/davinci/vpfe_capture.c
View File

@ -475,6 +475,11 @@ static int vpfe_initialize_device(struct vpfe_device *vpfe_dev)
ret = ccdc_dev->hw_ops.open(vpfe_dev->pdev);
if (!ret)
vpfe_dev->initialized = 1;
/* Clear all VPFE/CCDC interrupts */
if (vpfe_dev->cfg->clr_intr)
vpfe_dev->cfg->clr_intr(-1);
unlock:
mutex_unlock(&ccdc_lock);
return ret;
@ -562,7 +567,7 @@ static irqreturn_t vpfe_isr(int irq, void *dev_id)
/* if streaming not started, don't do anything */
if (!vpfe_dev->started)
return IRQ_HANDLED;
goto clear_intr;
/* only for 6446 this will be applicable */
if (NULL != ccdc_dev->hw_ops.reset)
@ -574,7 +579,7 @@ static irqreturn_t vpfe_isr(int irq, void *dev_id)
"frame format is progressive...\n");
if (vpfe_dev->cur_frm != vpfe_dev->next_frm)
vpfe_process_buffer_complete(vpfe_dev);
return IRQ_HANDLED;
goto clear_intr;
}
/* interlaced or TB capture check which field we are in hardware */
@ -604,7 +609,7 @@ static irqreturn_t vpfe_isr(int irq, void *dev_id)
addr += vpfe_dev->field_off;
ccdc_dev->hw_ops.setfbaddr(addr);
}
return IRQ_HANDLED;
goto clear_intr;
}
/*
* if one field is just being captured configure
@ -624,6 +629,10 @@ static irqreturn_t vpfe_isr(int irq, void *dev_id)
*/
vpfe_dev->field_id = fid;
}
clear_intr:
if (vpfe_dev->cfg->clr_intr)
vpfe_dev->cfg->clr_intr(irq);
return IRQ_HANDLED;
}
@ -635,8 +644,11 @@ static irqreturn_t vdint1_isr(int irq, void *dev_id)
v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "\nInside vdint1_isr...\n");
/* if streaming not started, don't do anything */
if (!vpfe_dev->started)
if (!vpfe_dev->started) {
if (vpfe_dev->cfg->clr_intr)
vpfe_dev->cfg->clr_intr(irq);
return IRQ_HANDLED;
}
spin_lock(&vpfe_dev->dma_queue_lock);
if ((vpfe_dev->fmt.fmt.pix.field == V4L2_FIELD_NONE) &&
@ -644,6 +656,10 @@ static irqreturn_t vdint1_isr(int irq, void *dev_id)
vpfe_dev->cur_frm == vpfe_dev->next_frm)
vpfe_schedule_next_buffer(vpfe_dev);
spin_unlock(&vpfe_dev->dma_queue_lock);
if (vpfe_dev->cfg->clr_intr)
vpfe_dev->cfg->clr_intr(irq);
return IRQ_HANDLED;
}

2
include/media/davinci/vpfe_capture.h
View File

@ -94,6 +94,8 @@ struct vpfe_config {
/* vpfe clock */
struct clk *vpssclk;
struct clk *slaveclk;
/* Function for Clearing the interrupt */
void (*clr_intr)(int vdint);
};
struct vpfe_device {