V4L/DVB: vpfe_capture: remove clock and platform code
1) removed the platform code and clk configuration. They are now part of ccdc driver (part of the ccdc patches and platform patches 2-4); 2) Added proper error codes for ccdc register function. Reviewed-by: Vaibhav Hiremath <hvaibhav@ti.com> Reviewed-by: Kevin Hilman <khilman@deeprootsystems.com> Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Muralidharan Karicheri <m-karicheri2@ti.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
parent
986ce4510b
commit
51444ea3d4
1 changed files with 13 additions and 118 deletions
|
@ -107,9 +107,6 @@ struct ccdc_config {
|
|||
int vpfe_probed;
|
||||
/* name of ccdc device */
|
||||
char name[32];
|
||||
/* for storing mem maps for CCDC */
|
||||
int ccdc_addr_size;
|
||||
void *__iomem ccdc_addr;
|
||||
};
|
||||
|
||||
/* data structures */
|
||||
|
@ -229,7 +226,6 @@ int vpfe_register_ccdc_device(struct ccdc_hw_device *dev)
|
|||
BUG_ON(!dev->hw_ops.set_image_window);
|
||||
BUG_ON(!dev->hw_ops.get_image_window);
|
||||
BUG_ON(!dev->hw_ops.get_line_length);
|
||||
BUG_ON(!dev->hw_ops.setfbaddr);
|
||||
BUG_ON(!dev->hw_ops.getfid);
|
||||
|
||||
mutex_lock(&ccdc_lock);
|
||||
|
@ -240,25 +236,23 @@ int vpfe_register_ccdc_device(struct ccdc_hw_device *dev)
|
|||
* walk through it during vpfe probe
|
||||
*/
|
||||
printk(KERN_ERR "vpfe capture not initialized\n");
|
||||
ret = -1;
|
||||
ret = -EFAULT;
|
||||
goto unlock;
|
||||
}
|
||||
|
||||
if (strcmp(dev->name, ccdc_cfg->name)) {
|
||||
/* ignore this ccdc */
|
||||
ret = -1;
|
||||
ret = -EINVAL;
|
||||
goto unlock;
|
||||
}
|
||||
|
||||
if (ccdc_dev) {
|
||||
printk(KERN_ERR "ccdc already registered\n");
|
||||
ret = -1;
|
||||
ret = -EINVAL;
|
||||
goto unlock;
|
||||
}
|
||||
|
||||
ccdc_dev = dev;
|
||||
dev->hw_ops.set_ccdc_base(ccdc_cfg->ccdc_addr,
|
||||
ccdc_cfg->ccdc_addr_size);
|
||||
unlock:
|
||||
mutex_unlock(&ccdc_lock);
|
||||
return ret;
|
||||
|
@ -1786,61 +1780,6 @@ static struct vpfe_device *vpfe_initialize(void)
|
|||
return vpfe_dev;
|
||||
}
|
||||
|
||||
static void vpfe_disable_clock(struct vpfe_device *vpfe_dev)
|
||||
{
|
||||
struct vpfe_config *vpfe_cfg = vpfe_dev->cfg;
|
||||
|
||||
clk_disable(vpfe_cfg->vpssclk);
|
||||
clk_put(vpfe_cfg->vpssclk);
|
||||
clk_disable(vpfe_cfg->slaveclk);
|
||||
clk_put(vpfe_cfg->slaveclk);
|
||||
v4l2_info(vpfe_dev->pdev->driver,
|
||||
"vpfe vpss master & slave clocks disabled\n");
|
||||
}
|
||||
|
||||
static int vpfe_enable_clock(struct vpfe_device *vpfe_dev)
|
||||
{
|
||||
struct vpfe_config *vpfe_cfg = vpfe_dev->cfg;
|
||||
int ret = -ENOENT;
|
||||
|
||||
vpfe_cfg->vpssclk = clk_get(vpfe_dev->pdev, "vpss_master");
|
||||
if (NULL == vpfe_cfg->vpssclk) {
|
||||
v4l2_err(vpfe_dev->pdev->driver, "No clock defined for"
|
||||
"vpss_master\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (clk_enable(vpfe_cfg->vpssclk)) {
|
||||
v4l2_err(vpfe_dev->pdev->driver,
|
||||
"vpfe vpss master clock not enabled\n");
|
||||
goto out;
|
||||
}
|
||||
v4l2_info(vpfe_dev->pdev->driver,
|
||||
"vpfe vpss master clock enabled\n");
|
||||
|
||||
vpfe_cfg->slaveclk = clk_get(vpfe_dev->pdev, "vpss_slave");
|
||||
if (NULL == vpfe_cfg->slaveclk) {
|
||||
v4l2_err(vpfe_dev->pdev->driver,
|
||||
"No clock defined for vpss slave\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (clk_enable(vpfe_cfg->slaveclk)) {
|
||||
v4l2_err(vpfe_dev->pdev->driver,
|
||||
"vpfe vpss slave clock not enabled\n");
|
||||
goto out;
|
||||
}
|
||||
v4l2_info(vpfe_dev->pdev->driver, "vpfe vpss slave clock enabled\n");
|
||||
return 0;
|
||||
out:
|
||||
if (vpfe_cfg->vpssclk)
|
||||
clk_put(vpfe_cfg->vpssclk);
|
||||
if (vpfe_cfg->slaveclk)
|
||||
clk_put(vpfe_cfg->slaveclk);
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
/*
|
||||
* vpfe_probe : This function creates device entries by register
|
||||
* itself to the V4L2 driver and initializes fields of each
|
||||
|
@ -1870,7 +1809,7 @@ static __init int vpfe_probe(struct platform_device *pdev)
|
|||
|
||||
if (NULL == pdev->dev.platform_data) {
|
||||
v4l2_err(pdev->dev.driver, "Unable to get vpfe config\n");
|
||||
ret = -ENOENT;
|
||||
ret = -ENODEV;
|
||||
goto probe_free_dev_mem;
|
||||
}
|
||||
|
||||
|
@ -1884,18 +1823,13 @@ static __init int vpfe_probe(struct platform_device *pdev)
|
|||
goto probe_free_dev_mem;
|
||||
}
|
||||
|
||||
/* enable vpss clocks */
|
||||
ret = vpfe_enable_clock(vpfe_dev);
|
||||
if (ret)
|
||||
goto probe_free_dev_mem;
|
||||
|
||||
mutex_lock(&ccdc_lock);
|
||||
/* Allocate memory for ccdc configuration */
|
||||
ccdc_cfg = kmalloc(sizeof(struct ccdc_config), GFP_KERNEL);
|
||||
if (NULL == ccdc_cfg) {
|
||||
v4l2_err(pdev->dev.driver,
|
||||
"Memory allocation failed for ccdc_cfg\n");
|
||||
goto probe_disable_clock;
|
||||
goto probe_free_dev_mem;
|
||||
}
|
||||
|
||||
strncpy(ccdc_cfg->name, vpfe_cfg->ccdc, 32);
|
||||
|
@ -1904,61 +1838,34 @@ static __init int vpfe_probe(struct platform_device *pdev)
|
|||
if (!res1) {
|
||||
v4l2_err(pdev->dev.driver,
|
||||
"Unable to get interrupt for VINT0\n");
|
||||
ret = -ENOENT;
|
||||
goto probe_disable_clock;
|
||||
ret = -ENODEV;
|
||||
goto probe_free_ccdc_cfg_mem;
|
||||
}
|
||||
vpfe_dev->ccdc_irq0 = res1->start;
|
||||
|
||||
/* Get VINT1 irq resource */
|
||||
res1 = platform_get_resource(pdev,
|
||||
IORESOURCE_IRQ, 1);
|
||||
res1 = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
|
||||
if (!res1) {
|
||||
v4l2_err(pdev->dev.driver,
|
||||
"Unable to get interrupt for VINT1\n");
|
||||
ret = -ENOENT;
|
||||
goto probe_disable_clock;
|
||||
ret = -ENODEV;
|
||||
goto probe_free_ccdc_cfg_mem;
|
||||
}
|
||||
vpfe_dev->ccdc_irq1 = res1->start;
|
||||
|
||||
/* Get address base of CCDC */
|
||||
res1 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
if (!res1) {
|
||||
v4l2_err(pdev->dev.driver,
|
||||
"Unable to get register address map\n");
|
||||
ret = -ENOENT;
|
||||
goto probe_disable_clock;
|
||||
}
|
||||
|
||||
ccdc_cfg->ccdc_addr_size = res1->end - res1->start + 1;
|
||||
if (!request_mem_region(res1->start, ccdc_cfg->ccdc_addr_size,
|
||||
pdev->dev.driver->name)) {
|
||||
v4l2_err(pdev->dev.driver,
|
||||
"Failed request_mem_region for ccdc base\n");
|
||||
ret = -ENXIO;
|
||||
goto probe_disable_clock;
|
||||
}
|
||||
ccdc_cfg->ccdc_addr = ioremap_nocache(res1->start,
|
||||
ccdc_cfg->ccdc_addr_size);
|
||||
if (!ccdc_cfg->ccdc_addr) {
|
||||
v4l2_err(pdev->dev.driver, "Unable to ioremap ccdc addr\n");
|
||||
ret = -ENXIO;
|
||||
goto probe_out_release_mem1;
|
||||
}
|
||||
|
||||
ret = request_irq(vpfe_dev->ccdc_irq0, vpfe_isr, IRQF_DISABLED,
|
||||
"vpfe_capture0", vpfe_dev);
|
||||
|
||||
if (0 != ret) {
|
||||
v4l2_err(pdev->dev.driver, "Unable to request interrupt\n");
|
||||
goto probe_out_unmap1;
|
||||
goto probe_free_ccdc_cfg_mem;
|
||||
}
|
||||
|
||||
/* Allocate memory for video device */
|
||||
vfd = video_device_alloc();
|
||||
if (NULL == vfd) {
|
||||
ret = -ENOMEM;
|
||||
v4l2_err(pdev->dev.driver,
|
||||
"Unable to alloc video device\n");
|
||||
v4l2_err(pdev->dev.driver, "Unable to alloc video device\n");
|
||||
goto probe_out_release_irq;
|
||||
}
|
||||
|
||||
|
@ -2073,12 +1980,7 @@ probe_out_video_release:
|
|||
video_device_release(vpfe_dev->video_dev);
|
||||
probe_out_release_irq:
|
||||
free_irq(vpfe_dev->ccdc_irq0, vpfe_dev);
|
||||
probe_out_unmap1:
|
||||
iounmap(ccdc_cfg->ccdc_addr);
|
||||
probe_out_release_mem1:
|
||||
release_mem_region(res1->start, res1->end - res1->start + 1);
|
||||
probe_disable_clock:
|
||||
vpfe_disable_clock(vpfe_dev);
|
||||
probe_free_ccdc_cfg_mem:
|
||||
mutex_unlock(&ccdc_lock);
|
||||
kfree(ccdc_cfg);
|
||||
probe_free_dev_mem:
|
||||
|
@ -2092,7 +1994,6 @@ probe_free_dev_mem:
|
|||
static int __devexit vpfe_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct vpfe_device *vpfe_dev = platform_get_drvdata(pdev);
|
||||
struct resource *res;
|
||||
|
||||
v4l2_info(pdev->dev.driver, "vpfe_remove\n");
|
||||
|
||||
|
@ -2100,12 +2001,6 @@ static int __devexit vpfe_remove(struct platform_device *pdev)
|
|||
kfree(vpfe_dev->sd);
|
||||
v4l2_device_unregister(&vpfe_dev->v4l2_dev);
|
||||
video_unregister_device(vpfe_dev->video_dev);
|
||||
mutex_lock(&ccdc_lock);
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
release_mem_region(res->start, res->end - res->start + 1);
|
||||
iounmap(ccdc_cfg->ccdc_addr);
|
||||
mutex_unlock(&ccdc_lock);
|
||||
vpfe_disable_clock(vpfe_dev);
|
||||
kfree(vpfe_dev);
|
||||
kfree(ccdc_cfg);
|
||||
return 0;
|
||||
|
|
Reference in a new issue