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yaml
---
r: 271728
b: refs/heads/master
c: 44d0b80
h: refs/heads/master
v: v3
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Joe Perches authored and Mauro Carvalho Chehab committed Sep 3, 2011
1 parent 78d5493 commit dbbf021
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Showing 13 changed files with 404 additions and 353 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 0b8bd83cf393832f1d00096b866d888b75b374c3
refs/heads/master: 44d0b80e5ff741d502a6ccc8685a18bda1ac9da4
74 changes: 39 additions & 35 deletions trunk/drivers/media/common/saa7146_core.c
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <media/saa7146.h>

LIST_HEAD(saa7146_devices);
Expand All @@ -35,10 +37,9 @@ static void dump_registers(struct saa7146_dev* dev)
{
int i = 0;

INFO((" @ %li jiffies:\n",jiffies));
for(i = 0; i <= 0x148; i+=4) {
printk("0x%03x: 0x%08x\n",i,saa7146_read(dev,i));
}
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));
}
#endif

Expand Down Expand Up @@ -72,9 +73,8 @@ static inline int saa7146_wait_for_debi_done_sleep(struct saa7146_dev *dev,
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__);
pr_err("%s: %s timed out while waiting for registers getting programmed\n",
dev->name, __func__);
return -ETIMEDOUT;
}
msleep(1);
Expand All @@ -88,8 +88,8 @@ static inline int saa7146_wait_for_debi_done_sleep(struct saa7146_dev *dev,
break;
saa7146_read(dev, MC2);
if (err) {
DEB_S(("%s: %s timed out while waiting for transfer "
"completion\n", dev->name, __func__));
DEB_S("%s: %s timed out while waiting for transfer completion\n",
dev->name, __func__);
return -ETIMEDOUT;
}
msleep(1);
Expand All @@ -109,9 +109,8 @@ static inline int saa7146_wait_for_debi_done_busyloop(struct saa7146_dev *dev,
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__);
pr_err("%s: %s timed out while waiting for registers getting programmed\n",
dev->name, __func__);
return -ETIMEDOUT;
}
udelay(1);
Expand All @@ -124,8 +123,8 @@ static inline int saa7146_wait_for_debi_done_busyloop(struct saa7146_dev *dev,
break;
saa7146_read(dev, MC2);
if (!loops--) {
DEB_S(("%s: %s timed out while waiting for transfer "
"completion\n", dev->name, __func__));
DEB_S("%s: %s timed out while waiting for transfer completion\n",
dev->name, __func__);
return -ETIMEDOUT;
}
udelay(5);
Expand Down Expand Up @@ -264,7 +263,9 @@ int saa7146_pgtable_build_single(struct pci_dev *pci, struct saa7146_pgtable *pt
ptr = pt->cpu;
for (i = 0; i < sglen; i++, list++) {
/*
printk("i:%d, adr:0x%08x, len:%d, offset:%d\n", i,sg_dma_address(list), sg_dma_len(list), list->offset);
pr_debug("i:%d, adr:0x%08x, len:%d, offset:%d\n",
i, sg_dma_address(list), sg_dma_len(list),
list->offset);
*/
for (p = 0; p * 4096 < list->length; p++, ptr++) {
*ptr = cpu_to_le32(sg_dma_address(list) + p * 4096);
Expand All @@ -281,9 +282,9 @@ int saa7146_pgtable_build_single(struct pci_dev *pci, struct saa7146_pgtable *pt

/*
ptr = pt->cpu;
printk("offset: %d\n",pt->offset);
pr_debug("offset: %d\n", pt->offset);
for(i=0;i<5;i++) {
printk("ptr1 %d: 0x%08x\n",i,ptr[i]);
pr_debug("ptr1 %d: 0x%08x\n", i, ptr[i]);
}
*/
return 0;
Expand Down Expand Up @@ -314,7 +315,7 @@ static irqreturn_t interrupt_hw(int irq, void *dev_id)
}
}
if (0 != (isr & (MASK_27))) {
DEB_INT(("irq: RPS0 (0x%08x).\n",isr));
DEB_INT("irq: RPS0 (0x%08x)\n", isr);
if (dev->vv_data && dev->vv_callback)
dev->vv_callback(dev,isr);
isr &= ~MASK_27;
Expand All @@ -333,14 +334,15 @@ static irqreturn_t interrupt_hw(int irq, void *dev_id)
} else {
u32 psr = saa7146_read(dev, PSR);
u32 ssr = saa7146_read(dev, SSR);
printk(KERN_WARNING "%s: unexpected i2c irq: isr %08x psr %08x ssr %08x\n",
dev->name, isr, psr, 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"));
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);
Expand All @@ -360,15 +362,15 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent
/* clear out mem for sure */
dev = kzalloc(sizeof(struct saa7146_dev), GFP_KERNEL);
if (!dev) {
ERR(("out of memory.\n"));
ERR("out of memory\n");
goto out;
}

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

err = pci_enable_device(pci);
if (err < 0) {
ERR(("pci_enable_device() failed.\n"));
ERR("pci_enable_device() failed\n");
goto err_free;
}

Expand All @@ -389,7 +391,7 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent
dev->mem = ioremap(pci_resource_start(pci, 0),
pci_resource_len(pci, 0));
if (!dev->mem) {
ERR(("ioremap() failed.\n"));
ERR("ioremap() failed\n");
err = -ENODEV;
goto err_release;
}
Expand All @@ -414,7 +416,7 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent
err = request_irq(pci->irq, interrupt_hw, IRQF_SHARED | IRQF_DISABLED,
dev->name, dev);
if (err < 0) {
ERR(("request_irq() failed.\n"));
ERR("request_irq() failed\n");
goto err_unmap;
}

Expand Down Expand Up @@ -444,7 +446,9 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent
/* create a nice device name */
sprintf(dev->name, "saa7146 (%d)", saa7146_num);

INFO(("found saa7146 @ mem %p (revision %d, irq %d) (0x%04x,0x%04x).\n", dev->mem, dev->revision, pci->irq, pci->subsystem_vendor, pci->subsystem_device));
pr_info("found saa7146 @ mem %p (revision %d, irq %d) (0x%04x,0x%04x)\n",
dev->mem, dev->revision, pci->irq,
pci->subsystem_vendor, pci->subsystem_device);
dev->ext = ext;

mutex_init(&dev->v4l2_lock);
Expand All @@ -464,12 +468,12 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent
err = -ENODEV;

if (ext->probe && ext->probe(dev)) {
DEB_D(("ext->probe() failed for %p. skipping device.\n",dev));
DEB_D("ext->probe() failed for %p. skipping device.\n", dev);
goto err_free_i2c;
}

if (ext->attach(dev, pci_ext)) {
DEB_D(("ext->attach() failed for %p. skipping device.\n",dev));
DEB_D("ext->attach() failed for %p. skipping device.\n", dev);
goto err_free_i2c;
}
/* V4L extensions will set the pci drvdata to the v4l2_device in the
Expand Down Expand Up @@ -521,7 +525,7 @@ static void saa7146_remove_one(struct pci_dev *pdev)
{ NULL, 0 }
}, *p;

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

dev->ext->detach(dev);
/* Zero the PCI drvdata after use. */
Expand Down Expand Up @@ -552,21 +556,21 @@ static void saa7146_remove_one(struct pci_dev *pdev)

int saa7146_register_extension(struct saa7146_extension* ext)
{
DEB_EE(("ext:%p\n",ext));
DEB_EE("ext:%p\n", ext);

ext->driver.name = ext->name;
ext->driver.id_table = ext->pci_tbl;
ext->driver.probe = saa7146_init_one;
ext->driver.remove = saa7146_remove_one;

printk("saa7146: register extension '%s'.\n",ext->name);
pr_info("register extension '%s'\n", ext->name);
return pci_register_driver(&ext->driver);
}

int saa7146_unregister_extension(struct saa7146_extension* ext)
{
DEB_EE(("ext:%p\n",ext));
printk("saa7146: unregister extension '%s'.\n",ext->name);
DEB_EE("ext:%p\n", ext);
pr_info("unregister extension '%s'\n", ext->name);
pci_unregister_driver(&ext->driver);
return 0;
}
Expand Down
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