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[media] v4l: omap4iss: Enable/disabling the ISP interrupts globally 

ISP interrupts are enabled/disabled when starting/stopping the IPIPEIF
or resizer. This doesn't permit using the two modules in separate
pipelines. Fix it by enabling/disabling the ISP interrupts at the same
time as the ISS interrupts, in the ISS device get/put operations.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Laurent Pinchart 2013-10-10 10:40:02 -03:00 committed by Mauro Carvalho Chehab
parent 6016498f2b
commit af15d025ec
5 changed files with 32 additions and 38 deletions
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58
drivers/staging/media/omap4iss/iss.c
View File

@ -66,34 +66,11 @@ void omap4iss_flush(struct iss_device *iss)
iss_reg_read(iss, OMAP4_ISS_MEM_TOP, ISS_HL_REVISION);
}
/*
* iss_enable_interrupts - Enable ISS interrupts.
* @iss: OMAP4 ISS device
*/
static void iss_enable_interrupts(struct iss_device *iss)
{
static const u32 hl_irq = ISS_HL_IRQ_CSIA | ISS_HL_IRQ_CSIB | ISS_HL_IRQ_ISP(0);
/* Enable HL interrupts */
iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_HL_IRQSTATUS(5), hl_irq);
iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_HL_IRQENABLE_SET(5), hl_irq);
}
/*
* iss_disable_interrupts - Disable ISS interrupts.
* @iss: OMAP4 ISS device
*/
static void iss_disable_interrupts(struct iss_device *iss)
{
iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_HL_IRQENABLE_CLR(5), -1);
}
/*
* iss_isp_enable_interrupts - Enable ISS ISP interrupts.
* @iss: OMAP4 ISS device
*/
void omap4iss_isp_enable_interrupts(struct iss_device *iss)
static void omap4iss_isp_enable_interrupts(struct iss_device *iss)
{
static const u32 isp_irq = ISP5_IRQ_OCP_ERR |
ISP5_IRQ_RSZ_FIFO_IN_BLK_ERR |
@ -111,9 +88,38 @@ void omap4iss_isp_enable_interrupts(struct iss_device *iss)
* iss_isp_disable_interrupts - Disable ISS interrupts.
* @iss: OMAP4 ISS device
*/
void omap4iss_isp_disable_interrupts(struct iss_device *iss)
static void omap4iss_isp_disable_interrupts(struct iss_device *iss)
{
iss_reg_write(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_IRQENABLE_CLR(0), -1);
iss_reg_write(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_IRQENABLE_CLR(0), ~0);
}
/*
* iss_enable_interrupts - Enable ISS interrupts.
* @iss: OMAP4 ISS device
*/
static void iss_enable_interrupts(struct iss_device *iss)
{
static const u32 hl_irq = ISS_HL_IRQ_CSIA | ISS_HL_IRQ_CSIB
| ISS_HL_IRQ_ISP(0);
/* Enable HL interrupts */
iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_HL_IRQSTATUS(5), hl_irq);
iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_HL_IRQENABLE_SET(5), hl_irq);
if (iss->regs[OMAP4_ISS_MEM_ISP_SYS1])
omap4iss_isp_enable_interrupts(iss);
}
/*
* iss_disable_interrupts - Disable ISS interrupts.
* @iss: OMAP4 ISS device
*/
static void iss_disable_interrupts(struct iss_device *iss)
{
if (iss->regs[OMAP4_ISS_MEM_ISP_SYS1])
omap4iss_isp_disable_interrupts(iss);
iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_HL_IRQENABLE_CLR(5), ~0);
}
int omap4iss_get_external_info(struct iss_pipeline *pipe,

3
drivers/staging/media/omap4iss/iss.h
View File

@ -141,9 +141,6 @@ void omap4iss_isp_subclk_enable(struct iss_device *iss,
void omap4iss_isp_subclk_disable(struct iss_device *iss,
enum iss_isp_subclk_resource res);
void omap4iss_isp_enable_interrupts(struct iss_device *iss);
void omap4iss_isp_disable_interrupts(struct iss_device *iss);
int omap4iss_pipeline_pm_use(struct media_entity *entity, int use);
int omap4iss_register_entities(struct platform_device *pdev,

3
drivers/staging/media/omap4iss/iss_ipipe.c
View File

@ -116,8 +116,6 @@ static void ipipe_configure(struct iss_ipipe_device *ipipe)
/* IPIPE_PAD_SOURCE_VP */
format = &ipipe->formats[IPIPE_PAD_SOURCE_VP];
/* Do nothing? */
omap4iss_isp_enable_interrupts(iss);
}
/* -----------------------------------------------------------------------------
@ -169,7 +167,6 @@ static int ipipe_set_stream(struct v4l2_subdev *sd, int enable)
ret = -ETIMEDOUT;
ipipe_enable(ipipe, 0);
omap4iss_isp_disable_interrupts(iss);
omap4iss_isp_subclk_disable(iss, OMAP4_ISS_ISP_SUBCLK_IPIPE);
break;
}

3
drivers/staging/media/omap4iss/iss_ipipeif.c
View File

@ -213,8 +213,6 @@ cont_raw:
/* IPIPEIF_PAD_SOURCE_VP */
/* Do nothing? */
omap4iss_isp_enable_interrupts(iss);
}
/* -----------------------------------------------------------------------------
@ -368,7 +366,6 @@ static int ipipeif_set_stream(struct v4l2_subdev *sd, int enable)
if (ipipeif->output & IPIPEIF_OUTPUT_MEMORY)
ipipeif_write_enable(ipipeif, 0);
ipipeif_enable(ipipeif, 0);
omap4iss_isp_disable_interrupts(iss);
omap4iss_isp_subclk_disable(iss, IPIPEIF_DRV_SUBCLK_MASK);
iss_video_dmaqueue_flags_clr(video_out);
break;

3
drivers/staging/media/omap4iss/iss_resizer.c
View File

@ -256,8 +256,6 @@ static void resizer_configure(struct iss_resizer_device *resizer)
} else {
iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_420, 0);
}
omap4iss_isp_enable_interrupts(iss);
}
/* -----------------------------------------------------------------------------
@ -419,7 +417,6 @@ static int resizer_set_stream(struct v4l2_subdev *sd, int enable)
ret = -ETIMEDOUT;
resizer_enable(resizer, 0);
omap4iss_isp_disable_interrupts(iss);
iss_reg_clr(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_SYSCONFIG,
RSZ_SYSCONFIG_RSZA_CLK_EN);
iss_reg_clr(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_GCK_SDR,