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authorAndy Walls <awalls@radix.net>2008-08-30 16:03:44 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-12 09:36:58 -0200
commitb1526421eac9a912b2cda7e147f1da2aa31be278 (patch)
tree5c21474d865bd43dc00514f0a55a84bdf05ba440 /drivers/media/video/cx18/cx18-mailbox.c
parent4519064c1c7ccdd319d26181bdd12ee2df6e336e (diff)
V4L/DVB (8913): cx18: Create cx18_ specific wrappers for all pci mmio accessesors.
cx18: Create cx18_ specific wrappers for all pci mmio accessesors. This is a first step in instrumenting all CX23418 PCI bus IO, to debug problems with accessing the CX23418's PCI memory mapped IO. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx18/cx18-mailbox.c')
-rw-r--r--drivers/media/video/cx18/cx18-mailbox.c44
1 files changed, 23 insertions, 21 deletions
diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c
index 1b9fbf9a6bc..9d18dd22de7 100644
--- a/drivers/media/video/cx18/cx18-mailbox.c
+++ b/drivers/media/video/cx18/cx18-mailbox.c
@@ -22,6 +22,7 @@
#include <stdarg.h>
#include "cx18-driver.h"
+#include "cx18-io.h"
#include "cx18-scb.h"
#include "cx18-irq.h"
#include "cx18-mailbox.h"
@@ -106,20 +107,20 @@ static struct cx18_mailbox __iomem *cx18_mb_is_complete(struct cx18 *cx, int rpu
switch (rpu) {
case APU:
mb = &cx->scb->epu2apu_mb;
- *state = readl(&cx->scb->apu_state);
- *irq = readl(&cx->scb->epu2apu_irq);
+ *state = cx18_readl(cx, &cx->scb->apu_state);
+ *irq = cx18_readl(cx, &cx->scb->epu2apu_irq);
break;
case CPU:
mb = &cx->scb->epu2cpu_mb;
- *state = readl(&cx->scb->cpu_state);
- *irq = readl(&cx->scb->epu2cpu_irq);
+ *state = cx18_readl(cx, &cx->scb->cpu_state);
+ *irq = cx18_readl(cx, &cx->scb->epu2cpu_irq);
break;
case HPU:
mb = &cx->scb->epu2hpu_mb;
- *state = readl(&cx->scb->hpu_state);
- *irq = readl(&cx->scb->epu2hpu_irq);
+ *state = cx18_readl(cx, &cx->scb->hpu_state);
+ *irq = cx18_readl(cx, &cx->scb->epu2hpu_irq);
break;
}
@@ -127,8 +128,8 @@ static struct cx18_mailbox __iomem *cx18_mb_is_complete(struct cx18 *cx, int rpu
return mb;
do {
- *req = readl(&mb->request);
- ack = readl(&mb->ack);
+ *req = cx18_readl(cx, &mb->request);
+ ack = cx18_readl(cx, &mb->ack);
wait_count++;
} while (*req != ack && wait_count < 600);
@@ -173,9 +174,9 @@ long cx18_mb_ack(struct cx18 *cx, const struct cx18_mailbox *mb)
return -EINVAL;
}
- setup_page(SCB_OFFSET);
- write_sync(mb->request, &ack_mb->ack);
- write_reg(ack_irq, SW2_INT_SET);
+ cx18_setup_page(cx, SCB_OFFSET);
+ cx18_write_sync(cx, mb->request, &ack_mb->ack);
+ cx18_write_reg(cx, ack_irq, SW2_INT_SET);
return 0;
}
@@ -200,7 +201,7 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
CX18_DEBUG_HI_API("%s\n", info->name);
else
CX18_DEBUG_API("%s\n", info->name);
- setup_page(SCB_OFFSET);
+ cx18_setup_page(cx, SCB_OFFSET);
mb = cx18_mb_is_complete(cx, info->rpu, &state, &irq, &req);
if (mb == NULL) {
@@ -209,11 +210,11 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
}
oldreq = req - 1;
- writel(cmd, &mb->cmd);
+ cx18_writel(cx, cmd, &mb->cmd);
for (i = 0; i < args; i++)
- writel(data[i], &mb->args[i]);
- writel(0, &mb->error);
- writel(req, &mb->request);
+ cx18_writel(cx, data[i], &mb->args[i]);
+ cx18_writel(cx, 0, &mb->error);
+ cx18_writel(cx, req, &mb->request);
switch (info->rpu) {
case APU: waitq = &cx->mb_apu_waitq; break;
@@ -224,9 +225,10 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
}
if (info->flags & API_FAST)
timeout /= 2;
- write_reg(irq, SW1_INT_SET);
+ cx18_write_reg(cx, irq, SW1_INT_SET);
- while (!sig && readl(&mb->ack) != readl(&mb->request) && cnt < 660) {
+ while (!sig && cx18_readl(cx, &mb->ack) != cx18_readl(cx, &mb->request)
+ && cnt < 660) {
if (cnt > 200 && !in_atomic())
sig = cx18_msleep_timeout(10, 1);
cnt++;
@@ -234,13 +236,13 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
if (sig)
return -EINTR;
if (cnt == 660) {
- writel(oldreq, &mb->request);
+ cx18_writel(cx, oldreq, &mb->request);
CX18_ERR("mb %s failed\n", info->name);
return -EINVAL;
}
for (i = 0; i < MAX_MB_ARGUMENTS; i++)
- data[i] = readl(&mb->args[i]);
- err = readl(&mb->error);
+ data[i] = cx18_readl(cx, &mb->args[i]);
+ err = cx18_readl(cx, &mb->error);
if (!in_atomic() && (info->flags & API_SLOW))
cx18_msleep_timeout(300, 0);
if (err)