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path: root/drivers/media/pci/cx88/cx88-video.c
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Diffstat (limited to 'drivers/media/pci/cx88/cx88-video.c')
-rw-r--r--drivers/media/pci/cx88/cx88-video.c155
1 files changed, 86 insertions, 69 deletions
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
index 797d5d0a4060..c7d4e87ccb64 100644
--- a/drivers/media/pci/cx88/cx88-video.c
+++ b/drivers/media/pci/cx88/cx88-video.c
@@ -73,7 +73,6 @@ MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
__func__, ##arg); \
} while (0)
-
/* ------------------------------------------------------------------- */
/* static data */
@@ -123,7 +122,8 @@ static const struct cx8800_fmt formats[] = {
}, {
.name = "32 bpp RGB, be",
.fourcc = V4L2_PIX_FMT_RGB32,
- .cxformat = ColorFormatRGB32 | ColorFormatBSWAP | ColorFormatWSWAP,
+ .cxformat = ColorFormatRGB32 | ColorFormatBSWAP |
+ ColorFormatWSWAP,
.depth = 32,
.flags = FORMAT_FLAGS_PACKED,
}, {
@@ -147,7 +147,7 @@ static const struct cx8800_fmt *format_by_fourcc(unsigned int fourcc)
for (i = 0; i < ARRAY_SIZE(formats); i++)
if (formats[i].fourcc == fourcc)
- return formats+i;
+ return formats + i;
return NULL;
}
@@ -221,8 +221,10 @@ static const struct cx88_ctrl cx8800_vid_ctls[] = {
.step = 1,
.default_value = 0x0,
.off = 0,
- /* NOTE: the value is converted and written to both even
- and odd registers in the code */
+ /*
+ * NOTE: the value is converted and written to both even
+ * and odd registers in the code
+ */
.reg = MO_FILTER_ODD,
.mask = 7 << 7,
.shift = 7,
@@ -326,19 +328,25 @@ int cx88_video_mux(struct cx88_core *core, unsigned int input)
break;
}
- /* if there are audioroutes defined, we have an external
- ADC to deal with audio */
+ /*
+ * if there are audioroutes defined, we have an external
+ * ADC to deal with audio
+ */
if (INPUT(input).audioroute) {
- /* The wm8775 module has the "2" route hardwired into
- the initialization. Some boards may use different
- routes for different inputs. HVR-1300 surely does */
+ /*
+ * The wm8775 module has the "2" route hardwired into
+ * the initialization. Some boards may use different
+ * routes for different inputs. HVR-1300 surely does
+ */
if (core->sd_wm8775) {
call_all(core, audio, s_routing,
INPUT(input).audioroute, 0, 0);
}
- /* cx2388's C-ADC is connected to the tuner only.
- When used with S-Video, that ADC is busy dealing with
- chroma, so an external must be used for baseband audio */
+ /*
+ * cx2388's C-ADC is connected to the tuner only.
+ * When used with S-Video, that ADC is busy dealing with
+ * chroma, so an external must be used for baseband audio
+ */
if (INPUT(input).type != CX88_VMUX_TELEVISION &&
INPUT(input).type != CX88_VMUX_CABLE) {
/* "I2S ADC mode" */
@@ -376,12 +384,13 @@ static int start_video_dma(struct cx8800_dev *dev,
/* enable irqs */
cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
- /* Enables corresponding bits at PCI_INT_STAT:
- bits 0 to 4: video, audio, transport stream, VIP, Host
- bit 7: timer
- bits 8 and 9: DMA complete for: SRC, DST
- bits 10 and 11: BERR signal asserted for RISC: RD, WR
- bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
+ /*
+ * Enables corresponding bits at PCI_INT_STAT:
+ * bits 0 to 4: video, audio, transport stream, VIP, Host
+ * bit 7: timer
+ * bits 8 and 9: DMA complete for: SRC, DST
+ * bits 10 and 11: BERR signal asserted for RISC: RD, WR
+ * bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
*/
cx_set(MO_VID_INTMSK, 0x0f0011);
@@ -389,7 +398,7 @@ static int start_video_dma(struct cx8800_dev *dev,
cx_set(VID_CAPTURE_CONTROL, 0x06);
/* start dma */
- cx_set(MO_DEV_CNTRL2, (1<<5));
+ cx_set(MO_DEV_CNTRL2, (1 << 5));
cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
return 0;
@@ -430,8 +439,8 @@ static int restart_video_queue(struct cx8800_dev *dev,
/* ------------------------------------------------------------------ */
static int queue_setup(struct vb2_queue *q,
- unsigned int *num_buffers, unsigned int *num_planes,
- unsigned int sizes[], struct device *alloc_devs[])
+ unsigned int *num_buffers, unsigned int *num_planes,
+ unsigned int sizes[], struct device *alloc_devs[])
{
struct cx8800_dev *dev = q->drv_priv;
struct cx88_core *core = dev->core;
@@ -488,7 +497,8 @@ static int buffer_prepare(struct vb2_buffer *vb)
core->height >> 1);
break;
}
- dprintk(2, "[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
+ dprintk(2,
+ "[%p/%d] buffer_prepare - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
buf, buf->vb.vb2_buf.index,
core->width, core->height, dev->fmt->depth, dev->fmt->name,
(unsigned long)buf->risc.dma);
@@ -595,7 +605,7 @@ static int radio_open(struct file *file)
if (core->board.radio.audioroute) {
if (core->sd_wm8775) {
call_all(core, audio, s_routing,
- core->board.radio.audioroute, 0, 0);
+ core->board.radio.audioroute, 0, 0);
}
/* "I2S ADC mode" */
core->tvaudio = WW_I2SADC;
@@ -649,9 +659,10 @@ static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
break;
}
- dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
- ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
- mask, cc->sreg ? " [shadowed]" : "");
+ dprintk(1,
+ "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
+ ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
+ mask, cc->sreg ? " [shadowed]" : "");
if (cc->sreg)
cx_sandor(cc->sreg, cc->reg, mask, value);
else
@@ -687,7 +698,8 @@ static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
mask = cc->mask;
switch (ctrl->id) {
case V4L2_CID_AUDIO_BALANCE:
- value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
+ value = (ctrl->val < 0x40) ?
+ (0x7f - ctrl->val) : (ctrl->val - 0x40);
break;
case V4L2_CID_AUDIO_VOLUME:
value = 0x3f - (ctrl->val & 0x3f);
@@ -696,9 +708,10 @@ static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
break;
}
- dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
- ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
- mask, cc->sreg ? " [shadowed]" : "");
+ dprintk(1,
+ "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
+ ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
+ mask, cc->sreg ? " [shadowed]" : "");
if (cc->sreg)
cx_sandor(cc->sreg, cc->reg, mask, value);
else
@@ -710,7 +723,7 @@ static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
/* VIDEO IOCTLS */
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_format *f)
+ struct v4l2_format *f)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
@@ -728,7 +741,7 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
}
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_format *f)
+ struct v4l2_format *f)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
@@ -737,7 +750,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
unsigned int maxw, maxh;
fmt = format_by_fourcc(f->fmt.pix.pixelformat);
- if (fmt == NULL)
+ if (!fmt)
return -EINVAL;
maxw = norm_maxw(core->tvnorm);
@@ -774,7 +787,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_format *f)
+ struct v4l2_format *f)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
@@ -794,7 +807,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
}
void cx88_querycap(struct file *file, struct cx88_core *core,
- struct v4l2_capability *cap)
+ struct v4l2_capability *cap)
{
struct video_device *vdev = video_devdata(file);
@@ -821,7 +834,7 @@ void cx88_querycap(struct file *file, struct cx88_core *core,
EXPORT_SYMBOL(cx88_querycap);
static int vidioc_querycap(struct file *file, void *priv,
- struct v4l2_capability *cap)
+ struct v4l2_capability *cap)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
@@ -833,7 +846,7 @@ static int vidioc_querycap(struct file *file, void *priv,
}
static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_fmtdesc *f)
+ struct v4l2_fmtdesc *f)
{
if (unlikely(f->index >= ARRAY_SIZE(formats)))
return -EINVAL;
@@ -879,21 +892,21 @@ int cx88_enum_input(struct cx88_core *core, struct v4l2_input *i)
if (n >= 4)
return -EINVAL;
- if (0 == INPUT(n).type)
+ if (!INPUT(n).type)
return -EINVAL;
i->type = V4L2_INPUT_TYPE_CAMERA;
strcpy(i->name, iname[INPUT(n).type]);
- if ((CX88_VMUX_TELEVISION == INPUT(n).type) ||
- (CX88_VMUX_CABLE == INPUT(n).type)) {
+ if ((INPUT(n).type == CX88_VMUX_TELEVISION) ||
+ (INPUT(n).type == CX88_VMUX_CABLE))
i->type = V4L2_INPUT_TYPE_TUNER;
- }
+
i->std = CX88_NORMS;
return 0;
}
EXPORT_SYMBOL(cx88_enum_input);
static int vidioc_enum_input(struct file *file, void *priv,
- struct v4l2_input *i)
+ struct v4l2_input *i)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
@@ -917,7 +930,7 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
if (i >= 4)
return -EINVAL;
- if (0 == INPUT(i).type)
+ if (!INPUT(i).type)
return -EINVAL;
cx88_newstation(core);
@@ -926,7 +939,7 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
}
static int vidioc_g_tuner(struct file *file, void *priv,
- struct v4l2_tuner *t)
+ struct v4l2_tuner *t)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
@@ -944,12 +957,12 @@ static int vidioc_g_tuner(struct file *file, void *priv,
cx88_get_stereo(core, t);
reg = cx_read(MO_DEVICE_STATUS);
- t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
+ t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
return 0;
}
static int vidioc_s_tuner(struct file *file, void *priv,
- const struct v4l2_tuner *t)
+ const struct v4l2_tuner *t)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
@@ -964,7 +977,7 @@ static int vidioc_s_tuner(struct file *file, void *priv,
}
static int vidioc_g_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ struct v4l2_frequency *f)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
@@ -982,7 +995,7 @@ static int vidioc_g_frequency(struct file *file, void *priv,
}
int cx88_set_freq(struct cx88_core *core,
- const struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct v4l2_frequency new_freq = *f;
@@ -1005,7 +1018,7 @@ int cx88_set_freq(struct cx88_core *core,
EXPORT_SYMBOL(cx88_set_freq);
static int vidioc_s_frequency(struct file *file, void *priv,
- const struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
@@ -1015,7 +1028,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int vidioc_g_register(struct file *file, void *fh,
- struct v4l2_dbg_register *reg)
+ struct v4l2_dbg_register *reg)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
@@ -1027,7 +1040,7 @@ static int vidioc_g_register(struct file *file, void *fh,
}
static int vidioc_s_register(struct file *file, void *fh,
- const struct v4l2_dbg_register *reg)
+ const struct v4l2_dbg_register *reg)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
@@ -1042,7 +1055,7 @@ static int vidioc_s_register(struct file *file, void *fh,
/* ----------------------------------------------------------- */
static int radio_g_tuner(struct file *file, void *priv,
- struct v4l2_tuner *t)
+ struct v4l2_tuner *t)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
@@ -1057,7 +1070,7 @@ static int radio_g_tuner(struct file *file, void *priv,
}
static int radio_s_tuner(struct file *file, void *priv,
- const struct v4l2_tuner *t)
+ const struct v4l2_tuner *t)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
@@ -1152,7 +1165,6 @@ static irqreturn_t cx8800_irq(int irq, void *dev_id)
/* exported stuff */
static const struct v4l2_file_operations video_fops = {
-
.owner = THIS_MODULE,
.open = v4l2_fh_open,
.release = vb2_fop_release,
@@ -1232,7 +1244,6 @@ static const struct video_device cx8800_vbi_template = {
};
static const struct v4l2_file_operations radio_fops = {
-
.owner = THIS_MODULE,
.open = radio_open,
.poll = v4l2_ctrl_poll,
@@ -1287,7 +1298,7 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
int i;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (dev == NULL)
+ if (!dev)
return -ENOMEM;
/* pci init */
@@ -1297,7 +1308,7 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
goto fail_free;
}
core = cx88_core_get(dev->pci);
- if (core == NULL) {
+ if (!core) {
err = -EINVAL;
goto fail_free;
}
@@ -1341,8 +1352,9 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
struct v4l2_ctrl *vc;
vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
- cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
- if (vc == NULL) {
+ cc->id, cc->minimum, cc->maximum,
+ cc->step, cc->default_value);
+ if (!vc) {
err = core->audio_hdl.error;
goto fail_core;
}
@@ -1354,8 +1366,9 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
struct v4l2_ctrl *vc;
vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
- cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
- if (vc == NULL) {
+ cc->id, cc->minimum, cc->maximum,
+ cc->step, cc->default_value);
+ if (!vc) {
err = core->video_hdl.error;
goto fail_core;
}
@@ -1381,18 +1394,20 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
core->wm8775_data.is_nova_s = false;
sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
- &wm8775_info, NULL);
- if (sd != NULL) {
+ &wm8775_info, NULL);
+ if (sd) {
core->sd_wm8775 = sd;
sd->grp_id = WM8775_GID;
}
}
if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
- /* This probes for a tda9874 as is used on some
- Pixelview Ultra boards. */
+ /*
+ * This probes for a tda9874 as is used on some
+ * Pixelview Ultra boards.
+ */
v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
- "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
+ "tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
}
switch (core->boardnr) {
@@ -1504,7 +1519,8 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
/* start tvaudio thread */
if (core->board.tuner_type != UNSET) {
- core->kthread = kthread_run(cx88_audio_thread, core, "cx88 tvaudio");
+ core->kthread = kthread_run(cx88_audio_thread,
+ core, "cx88 tvaudio");
if (IS_ERR(core->kthread)) {
err = PTR_ERR(core->kthread);
pr_err("failed to create cx88 audio thread, err=%d\n",
@@ -1581,7 +1597,8 @@ static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
cx88_shutdown(core);
pci_save_state(pci_dev);
- if (pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)) != 0) {
+ if (pci_set_power_state(pci_dev,
+ pci_choose_state(pci_dev, state)) != 0) {
pci_disable_device(pci_dev);
dev->state.disabled = 1;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-28 22:12:40 +0300