openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[media] dt3155v4l: code cleanup 

- Fix various spelling mistakes
- Whitespace cleanups
- Remove _ioc_ from ioctl names to shorten those names
- Remove bogus ifdef __KERNEL__
- Remove commented out code

No actual code is changed in this patch.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2015-04-25 11:19:50 -03:00 committed by Mauro Carvalho Chehab
parent 90ca75fd19
commit 6a11087be3
2 changed files with 66 additions and 144 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

202
drivers/staging/media/dt3155v4l/dt3155v4l.c
View File

@ -12,10 +12,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <linux/module.h>
@ -96,12 +92,11 @@ static u8 config_init = ACQ_MODE_EVEN;
* and busy waits for the process to finish. The result is placed
* in a byte pointed by data.
*/
static int
read_i2c_reg(void __iomem *addr, u8 index, u8 *data)
static int read_i2c_reg(void __iomem *addr, u8 index, u8 *data)
{
u32 tmp = index;
iowrite32((tmp<<17) | IIC_READ, addr + IIC_CSR2);
iowrite32((tmp << 17) | IIC_READ, addr + IIC_CSR2);
mmiowb();
udelay(45); /* wait at least 43 usec for NEW_CYCLE to clear */
if (ioread32(addr + IIC_CSR2) & NEW_CYCLE)
@ -112,7 +107,7 @@ read_i2c_reg(void __iomem *addr, u8 index, u8 *data)
iowrite32(DIRECT_ABORT, addr + IIC_CSR1);
return -EIO; /* error: DIRECT_ABORT set */
}
*data = tmp>>24;
*data = tmp >> 24;
return 0;
}
@ -125,15 +120,14 @@ read_i2c_reg(void __iomem *addr, u8 index, u8 *data)
*
* returns: zero on success or error code
*
* This function starts writting the specified (by index) register
* This function starts writing the specified (by index) register
* and busy waits for the process to finish.
*/
static int
write_i2c_reg(void __iomem *addr, u8 index, u8 data)
static int write_i2c_reg(void __iomem *addr, u8 index, u8 data)
{
u32 tmp = index;
iowrite32((tmp<<17) | IIC_WRITE | data, addr + IIC_CSR2);
iowrite32((tmp << 17) | IIC_WRITE | data, addr + IIC_CSR2);
mmiowb();
udelay(65); /* wait at least 63 usec for NEW_CYCLE to clear */
if (ioread32(addr + IIC_CSR2) & NEW_CYCLE)
@ -153,14 +147,14 @@ write_i2c_reg(void __iomem *addr, u8 index, u8 data)
* @index: index (internal address) of register to read
* @data: data to be written
*
* This function starts writting the specified (by index) register
* This function starts writing the specified (by index) register
* and then returns.
*/
static void write_i2c_reg_nowait(void __iomem *addr, u8 index, u8 data)
{
u32 tmp = index;
iowrite32((tmp<<17) | IIC_WRITE | data, addr + IIC_CSR2);
iowrite32((tmp << 17) | IIC_WRITE | data, addr + IIC_CSR2);
mmiowb();
}
@ -171,7 +165,7 @@ static void write_i2c_reg_nowait(void __iomem *addr, u8 index, u8 data)
*
* returns: zero on success or error code
*
* This function waits reading/writting to finish.
* This function waits reading/writing to finish.
*/
static int wait_i2c_reg(void __iomem *addr)
{
@ -187,8 +181,7 @@ static int wait_i2c_reg(void __iomem *addr)
return 0;
}
static int
dt3155_start_acq(struct dt3155_priv *pd)
static int dt3155_start_acq(struct dt3155_priv *pd)
{
struct vb2_buffer *vb = pd->curr_buf;
dma_addr_t dma_addr;
@ -214,9 +207,6 @@ dt3155_start_acq(struct dt3155_priv *pd)
return 0; /* success */
}
/*
* driver-specific callbacks (vb2_ops)
*/
static int
dt3155_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
unsigned int *num_buffers, unsigned int *num_planes,
@ -239,31 +229,27 @@ dt3155_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
return 0;
}
static void
dt3155_wait_prepare(struct vb2_queue *q)
static void dt3155_wait_prepare(struct vb2_queue *q)
{
struct dt3155_priv *pd = vb2_get_drv_priv(q);
mutex_unlock(pd->vdev.lock);
}
static void
dt3155_wait_finish(struct vb2_queue *q)
static void dt3155_wait_finish(struct vb2_queue *q)
{
struct dt3155_priv *pd = vb2_get_drv_priv(q);
mutex_lock(pd->vdev.lock);
}
static int
dt3155_buf_prepare(struct vb2_buffer *vb)
static int dt3155_buf_prepare(struct vb2_buffer *vb)
{
vb2_set_plane_payload(vb, 0, img_width * img_height);
return 0;
}
static void
dt3155_stop_streaming(struct vb2_queue *q)
static void dt3155_stop_streaming(struct vb2_queue *q)
{
struct dt3155_priv *pd = vb2_get_drv_priv(q);
struct vb2_buffer *vb;
@ -278,8 +264,7 @@ dt3155_stop_streaming(struct vb2_queue *q)
msleep(45); /* irq hendler will stop the hardware */
}
static void
dt3155_buf_queue(struct vb2_buffer *vb)
static void dt3155_buf_queue(struct vb2_buffer *vb)
{
struct dt3155_priv *pd = vb2_get_drv_priv(vb->vb2_queue);
@ -293,9 +278,6 @@ dt3155_buf_queue(struct vb2_buffer *vb)
}
spin_unlock_irq(&pd->lock);
}
/*
* end driver-specific callbacks
*/
static const struct vb2_ops q_ops = {
.queue_setup = dt3155_queue_setup,
@ -306,8 +288,7 @@ static const struct vb2_ops q_ops = {
.buf_queue = dt3155_buf_queue,
};
static irqreturn_t
dt3155_irq_handler_even(int irq, void *dev_id)
static irqreturn_t dt3155_irq_handler_even(int irq, void *dev_id)
{
struct dt3155_priv *ipd = dev_id;
struct vb2_buffer *ivb;
@ -325,9 +306,6 @@ dt3155_irq_handler_even(int irq, void *dev_id)
}
if ((tmp & FLD_START) && (tmp & FLD_END_ODD))
ipd->stats.start_before_end++;
/* check for corrupted fields */
/* write_i2c_reg(ipd->regs, EVEN_CSR, CSR_ERROR | CSR_DONE); */
/* write_i2c_reg(ipd->regs, ODD_CSR, CSR_ERROR | CSR_DONE); */
tmp = ioread32(ipd->regs + CSR1) & (FLD_CRPT_EVEN | FLD_CRPT_ODD);
if (tmp) {
ipd->stats.corrupted_fields++;
@ -374,8 +352,7 @@ dt3155_irq_handler_even(int irq, void *dev_id)
return IRQ_HANDLED;
}
static int
dt3155_open(struct file *filp)
static int dt3155_open(struct file *filp)
{
int ret = 0;
struct dt3155_priv *pd = video_drvdata(filp);
@ -420,8 +397,7 @@ dt3155_open(struct file *filp)
return ret;
}
static int
dt3155_release(struct file *filp)
static int dt3155_release(struct file *filp)
{
struct dt3155_priv *pd = video_drvdata(filp);
@ -440,8 +416,7 @@ dt3155_release(struct file *filp)
return 0;
}
static ssize_t
dt3155_read(struct file *filp, char __user *user, size_t size, loff_t *loff)
static ssize_t dt3155_read(struct file *filp, char __user *user, size_t size, loff_t *loff)
{
struct dt3155_priv *pd = video_drvdata(filp);
ssize_t res;
@ -453,8 +428,7 @@ dt3155_read(struct file *filp, char __user *user, size_t size, loff_t *loff)
return res;
}
static unsigned int
dt3155_poll(struct file *filp, struct poll_table_struct *polltbl)
static unsigned int dt3155_poll(struct file *filp, struct poll_table_struct *polltbl)
{
struct dt3155_priv *pd = video_drvdata(filp);
unsigned int res;
@ -465,8 +439,7 @@ dt3155_poll(struct file *filp, struct poll_table_struct *polltbl)
return res;
}
static int
dt3155_mmap(struct file *filp, struct vm_area_struct *vma)
static int dt3155_mmap(struct file *filp, struct vm_area_struct *vma)
{
struct dt3155_priv *pd = video_drvdata(filp);
int res;
@ -488,24 +461,21 @@ static const struct v4l2_file_operations dt3155_fops = {
.mmap = dt3155_mmap,
};
static int
dt3155_ioc_streamon(struct file *filp, void *p, enum v4l2_buf_type type)
static int dt3155_streamon(struct file *filp, void *p, enum v4l2_buf_type type)
{
struct dt3155_priv *pd = video_drvdata(filp);
return vb2_streamon(pd->q, type);
}
static int
dt3155_ioc_streamoff(struct file *filp, void *p, enum v4l2_buf_type type)
static int dt3155_streamoff(struct file *filp, void *p, enum v4l2_buf_type type)
{
struct dt3155_priv *pd = video_drvdata(filp);
return vb2_streamoff(pd->q, type);
}
static int
dt3155_ioc_querycap(struct file *filp, void *p, struct v4l2_capability *cap)
static int dt3155_querycap(struct file *filp, void *p, struct v4l2_capability *cap)
{
struct dt3155_priv *pd = video_drvdata(filp);
@ -518,8 +488,7 @@ dt3155_ioc_querycap(struct file *filp, void *p, struct v4l2_capability *cap)
return 0;
}
static int
dt3155_ioc_enum_fmt_vid_cap(struct file *filp, void *p, struct v4l2_fmtdesc *f)
static int dt3155_enum_fmt_vid_cap(struct file *filp, void *p, struct v4l2_fmtdesc *f)
{
if (f->index >= NUM_OF_FORMATS)
return -EINVAL;
@ -527,8 +496,7 @@ dt3155_ioc_enum_fmt_vid_cap(struct file *filp, void *p, struct v4l2_fmtdesc *f)
return 0;
}
static int
dt3155_ioc_g_fmt_vid_cap(struct file *filp, void *p, struct v4l2_format *f)
static int dt3155_g_fmt_vid_cap(struct file *filp, void *p, struct v4l2_format *f)
{
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
@ -543,8 +511,7 @@ dt3155_ioc_g_fmt_vid_cap(struct file *filp, void *p, struct v4l2_format *f)
return 0;
}
static int
dt3155_ioc_try_fmt_vid_cap(struct file *filp, void *p, struct v4l2_format *f)
static int dt3155_try_fmt_vid_cap(struct file *filp, void *p, struct v4l2_format *f)
{
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
@ -559,68 +526,59 @@ dt3155_ioc_try_fmt_vid_cap(struct file *filp, void *p, struct v4l2_format *f)
return -EINVAL;
}
static int
dt3155_ioc_s_fmt_vid_cap(struct file *filp, void *p, struct v4l2_format *f)
static int dt3155_s_fmt_vid_cap(struct file *filp, void *p, struct v4l2_format *f)
{
return dt3155_ioc_g_fmt_vid_cap(filp, p, f);
return dt3155_g_fmt_vid_cap(filp, p, f);
}
static int
dt3155_ioc_reqbufs(struct file *filp, void *p, struct v4l2_requestbuffers *b)
static int dt3155_reqbufs(struct file *filp, void *p, struct v4l2_requestbuffers *b)
{
struct dt3155_priv *pd = video_drvdata(filp);
return vb2_reqbufs(pd->q, b);
}
static int
dt3155_ioc_querybuf(struct file *filp, void *p, struct v4l2_buffer *b)
static int dt3155_querybuf(struct file *filp, void *p, struct v4l2_buffer *b)
{
struct dt3155_priv *pd = video_drvdata(filp);
return vb2_querybuf(pd->q, b);
}
static int
dt3155_ioc_qbuf(struct file *filp, void *p, struct v4l2_buffer *b)
static int dt3155_qbuf(struct file *filp, void *p, struct v4l2_buffer *b)
{
struct dt3155_priv *pd = video_drvdata(filp);
return vb2_qbuf(pd->q, b);
}
static int
dt3155_ioc_dqbuf(struct file *filp, void *p, struct v4l2_buffer *b)
static int dt3155_dqbuf(struct file *filp, void *p, struct v4l2_buffer *b)
{
struct dt3155_priv *pd = video_drvdata(filp);
return vb2_dqbuf(pd->q, b, filp->f_flags & O_NONBLOCK);
}
static int
dt3155_ioc_querystd(struct file *filp, void *p, v4l2_std_id *norm)
static int dt3155_querystd(struct file *filp, void *p, v4l2_std_id *norm)
{
*norm = DT3155_CURRENT_NORM;
return 0;
}
static int
dt3155_ioc_g_std(struct file *filp, void *p, v4l2_std_id *norm)
static int dt3155_g_std(struct file *filp, void *p, v4l2_std_id *norm)
{
*norm = DT3155_CURRENT_NORM;
return 0;
}
static int
dt3155_ioc_s_std(struct file *filp, void *p, v4l2_std_id norm)
static int dt3155_s_std(struct file *filp, void *p, v4l2_std_id norm)
{
if (norm & DT3155_CURRENT_NORM)
return 0;
return -EINVAL;
}
static int
dt3155_ioc_enum_input(struct file *filp, void *p, struct v4l2_input *input)
static int dt3155_enum_input(struct file *filp, void *p, struct v4l2_input *input)
{
if (input->index)
return -EINVAL;
@ -636,23 +594,20 @@ dt3155_ioc_enum_input(struct file *filp, void *p, struct v4l2_input *input)
return 0;
}
static int
dt3155_ioc_g_input(struct file *filp, void *p, unsigned int *i)
static int dt3155_g_input(struct file *filp, void *p, unsigned int *i)
{
*i = 0;
return 0;
}
static int
dt3155_ioc_s_input(struct file *filp, void *p, unsigned int i)
static int dt3155_s_input(struct file *filp, void *p, unsigned int i)
{
if (i)
return -EINVAL;
return 0;
}
static int
dt3155_ioc_g_parm(struct file *filp, void *p, struct v4l2_streamparm *parms)
static int dt3155_g_parm(struct file *filp, void *p, struct v4l2_streamparm *parms)
{
if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
@ -665,8 +620,7 @@ dt3155_ioc_g_parm(struct file *filp, void *p, struct v4l2_streamparm *parms)
return 0;
}
static int
dt3155_ioc_s_parm(struct file *filp, void *p, struct v4l2_streamparm *parms)
static int dt3155_s_parm(struct file *filp, void *p, struct v4l2_streamparm *parms)
{
if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
@ -680,48 +634,28 @@ dt3155_ioc_s_parm(struct file *filp, void *p, struct v4l2_streamparm *parms)
}
static const struct v4l2_ioctl_ops dt3155_ioctl_ops = {
.vidioc_streamon = dt3155_ioc_streamon,
.vidioc_streamoff = dt3155_ioc_streamoff,
.vidioc_querycap = dt3155_ioc_querycap,
/*
.vidioc_g_priority = dt3155_ioc_g_priority,
.vidioc_s_priority = dt3155_ioc_s_priority,
*/
.vidioc_enum_fmt_vid_cap = dt3155_ioc_enum_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = dt3155_ioc_try_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = dt3155_ioc_g_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = dt3155_ioc_s_fmt_vid_cap,
.vidioc_reqbufs = dt3155_ioc_reqbufs,
.vidioc_querybuf = dt3155_ioc_querybuf,
.vidioc_qbuf = dt3155_ioc_qbuf,
.vidioc_dqbuf = dt3155_ioc_dqbuf,
.vidioc_querystd = dt3155_ioc_querystd,
.vidioc_g_std = dt3155_ioc_g_std,
.vidioc_s_std = dt3155_ioc_s_std,
.vidioc_enum_input = dt3155_ioc_enum_input,
.vidioc_g_input = dt3155_ioc_g_input,
.vidioc_s_input = dt3155_ioc_s_input,
/*
.vidioc_queryctrl = dt3155_ioc_queryctrl,
.vidioc_g_ctrl = dt3155_ioc_g_ctrl,
.vidioc_s_ctrl = dt3155_ioc_s_ctrl,
.vidioc_querymenu = dt3155_ioc_querymenu,
.vidioc_g_ext_ctrls = dt3155_ioc_g_ext_ctrls,
.vidioc_s_ext_ctrls = dt3155_ioc_s_ext_ctrls,
*/
.vidioc_g_parm = dt3155_ioc_g_parm,
.vidioc_s_parm = dt3155_ioc_s_parm,
/*
.vidioc_cropcap = dt3155_ioc_cropcap,
.vidioc_g_crop = dt3155_ioc_g_crop,
.vidioc_s_crop = dt3155_ioc_s_crop,
.vidioc_enum_framesizes = dt3155_ioc_enum_framesizes,
.vidioc_enum_frameintervals = dt3155_ioc_enum_frameintervals,
*/
.vidioc_streamon = dt3155_streamon,
.vidioc_streamoff = dt3155_streamoff,
.vidioc_querycap = dt3155_querycap,
.vidioc_enum_fmt_vid_cap = dt3155_enum_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = dt3155_try_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = dt3155_g_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = dt3155_s_fmt_vid_cap,
.vidioc_reqbufs = dt3155_reqbufs,
.vidioc_querybuf = dt3155_querybuf,
.vidioc_qbuf = dt3155_qbuf,
.vidioc_dqbuf = dt3155_dqbuf,
.vidioc_querystd = dt3155_querystd,
.vidioc_g_std = dt3155_g_std,
.vidioc_s_std = dt3155_s_std,
.vidioc_enum_input = dt3155_enum_input,
.vidioc_g_input = dt3155_g_input,
.vidioc_s_input = dt3155_s_input,
.vidioc_g_parm = dt3155_g_parm,
.vidioc_s_parm = dt3155_s_parm,
};
static int
dt3155_init_board(struct pci_dev *pdev)
static int dt3155_init_board(struct pci_dev *pdev)
{
struct dt3155_priv *pd = pci_get_drvdata(pdev);
void *buf_cpu;
@ -737,7 +671,7 @@ dt3155_init_board(struct pci_dev *pdev)
mmiowb();
msleep(20);
/* initializing adaper registers */
/* initializing adapter registers */
iowrite32(FIFO_EN | SRST, pd->regs + CSR1);
mmiowb();
iowrite32(0xEEEEEE01, pd->regs + EVEN_PIXEL_FMT);
@ -837,8 +771,7 @@ struct dma_coherent_mem {
unsigned long *bitmap;
};
static int
dt3155_alloc_coherent(struct device *dev, size_t size, int flags)
static int dt3155_alloc_coherent(struct device *dev, size_t size, int flags)
{
struct dma_coherent_mem *mem;
dma_addr_t dev_base;
@ -878,8 +811,7 @@ dt3155_alloc_coherent(struct device *dev, size_t size, int flags)
return 0;
}
static void
dt3155_free_coherent(struct device *dev)
static void dt3155_free_coherent(struct device *dev)
{
struct dma_coherent_mem *mem = dev->dma_mem;
@ -892,8 +824,7 @@ dt3155_free_coherent(struct device *dev)
kfree(mem);
}
static int
dt3155_probe(struct pci_dev *pdev, const struct pci_device_id *id)
static int dt3155_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
int err;
struct dt3155_priv *pd;
@ -948,8 +879,7 @@ dt3155_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return err;
}
static void
dt3155_remove(struct pci_dev *pdev)
static void dt3155_remove(struct pci_dev *pdev)
{
struct dt3155_priv *pd = pci_get_drvdata(pdev);

8
drivers/staging/media/dt3155v4l/dt3155v4l.h
View File

@ -12,18 +12,12 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
/* DT3155 header file */
#ifndef _DT3155_H_
#define _DT3155_H_
#ifdef __KERNEL__
#include <linux/pci.h>
#include <linux/interrupt.h>
@ -207,6 +201,4 @@ struct dt3155_priv {
u8 csr2, config;
};
#endif /* __KERNEL__ */
#endif /* _DT3155_H_ */