summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/cx88/cx88-video.c
diff options
context:
space:
mode:
authorHans Verkuil <hans.verkuil@cisco.com>2012-06-10 07:39:52 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-07-06 18:08:23 -0300
commitbac639818c2c720ea8f79f932601f9209579bf14 (patch)
tree05c6470f25f3dd1717c97949dbc9e6795f931b7d /drivers/media/video/cx88/cx88-video.c
parent902e197dcc36138e1f40f4435b7de8893ffc6c15 (diff)
downloadlinux-bac639818c2c720ea8f79f932601f9209579bf14.tar.gz
linux-bac639818c2c720ea8f79f932601f9209579bf14.tar.bz2
linux-bac639818c2c720ea8f79f932601f9209579bf14.zip
[media] cx88: first phase to convert cx88 to the control framework
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx88/cx88-video.c')
-rw-r--r--drivers/media/video/cx88/cx88-video.c493
1 files changed, 159 insertions, 334 deletions
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 5d9973680614..2f3d4df33f7e 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -160,210 +160,144 @@ static const struct v4l2_queryctrl no_ctl = {
.flags = V4L2_CTRL_FLAG_DISABLED,
};
+
+struct cx88_ctrl {
+ /* control information */
+ u32 id;
+ s32 minimum;
+ s32 maximum;
+ u32 step;
+ s32 default_value;
+
+ /* control register information */
+ u32 off;
+ u32 reg;
+ u32 sreg;
+ u32 mask;
+ u32 shift;
+};
+
static const struct cx88_ctrl cx8800_ctls[] = {
/* --- video --- */
{
- .v = {
- .id = V4L2_CID_BRIGHTNESS,
- .name = "Brightness",
- .minimum = 0x00,
- .maximum = 0xff,
- .step = 1,
- .default_value = 0x7f,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- .off = 128,
- .reg = MO_CONTR_BRIGHT,
- .mask = 0x00ff,
- .shift = 0,
+ .id = V4L2_CID_BRIGHTNESS,
+ .minimum = 0x00,
+ .maximum = 0xff,
+ .step = 1,
+ .default_value = 0x7f,
+ .off = 128,
+ .reg = MO_CONTR_BRIGHT,
+ .mask = 0x00ff,
+ .shift = 0,
},{
- .v = {
- .id = V4L2_CID_CONTRAST,
- .name = "Contrast",
- .minimum = 0,
- .maximum = 0xff,
- .step = 1,
- .default_value = 0x3f,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- .off = 0,
- .reg = MO_CONTR_BRIGHT,
- .mask = 0xff00,
- .shift = 8,
+ .id = V4L2_CID_CONTRAST,
+ .minimum = 0,
+ .maximum = 0xff,
+ .step = 1,
+ .default_value = 0x3f,
+ .off = 0,
+ .reg = MO_CONTR_BRIGHT,
+ .mask = 0xff00,
+ .shift = 8,
},{
- .v = {
- .id = V4L2_CID_HUE,
- .name = "Hue",
- .minimum = 0,
- .maximum = 0xff,
- .step = 1,
- .default_value = 0x7f,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- .off = 128,
- .reg = MO_HUE,
- .mask = 0x00ff,
- .shift = 0,
+ .id = V4L2_CID_HUE,
+ .minimum = 0,
+ .maximum = 0xff,
+ .step = 1,
+ .default_value = 0x7f,
+ .off = 128,
+ .reg = MO_HUE,
+ .mask = 0x00ff,
+ .shift = 0,
},{
/* strictly, this only describes only U saturation.
* V saturation is handled specially through code.
*/
- .v = {
- .id = V4L2_CID_SATURATION,
- .name = "Saturation",
- .minimum = 0,
- .maximum = 0xff,
- .step = 1,
- .default_value = 0x7f,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- .off = 0,
- .reg = MO_UV_SATURATION,
- .mask = 0x00ff,
- .shift = 0,
+ .id = V4L2_CID_SATURATION,
+ .minimum = 0,
+ .maximum = 0xff,
+ .step = 1,
+ .default_value = 0x7f,
+ .off = 0,
+ .reg = MO_UV_SATURATION,
+ .mask = 0x00ff,
+ .shift = 0,
}, {
- .v = {
- .id = V4L2_CID_SHARPNESS,
- .name = "Sharpness",
- .minimum = 0,
- .maximum = 4,
- .step = 1,
- .default_value = 0x0,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- .off = 0,
+ .id = V4L2_CID_SHARPNESS,
+ .minimum = 0,
+ .maximum = 4,
+ .step = 1,
+ .default_value = 0x0,
+ .off = 0,
/* 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,
+ .reg = MO_FILTER_ODD,
+ .mask = 7 << 7,
+ .shift = 7,
}, {
- .v = {
- .id = V4L2_CID_CHROMA_AGC,
- .name = "Chroma AGC",
- .minimum = 0,
- .maximum = 1,
- .default_value = 0x1,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- },
- .reg = MO_INPUT_FORMAT,
- .mask = 1 << 10,
- .shift = 10,
+ .id = V4L2_CID_CHROMA_AGC,
+ .minimum = 0,
+ .maximum = 1,
+ .default_value = 0x1,
+ .reg = MO_INPUT_FORMAT,
+ .mask = 1 << 10,
+ .shift = 10,
}, {
- .v = {
- .id = V4L2_CID_COLOR_KILLER,
- .name = "Color killer",
- .minimum = 0,
- .maximum = 1,
- .default_value = 0x1,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- },
- .reg = MO_INPUT_FORMAT,
- .mask = 1 << 9,
- .shift = 9,
+ .id = V4L2_CID_COLOR_KILLER,
+ .minimum = 0,
+ .maximum = 1,
+ .default_value = 0x1,
+ .reg = MO_INPUT_FORMAT,
+ .mask = 1 << 9,
+ .shift = 9,
}, {
- .v = {
- .id = V4L2_CID_BAND_STOP_FILTER,
- .name = "Notch filter",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0x0,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- .off = 0,
- .reg = MO_HTOTAL,
- .mask = 3 << 11,
- .shift = 11,
+ .id = V4L2_CID_BAND_STOP_FILTER,
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 0x0,
+ .off = 0,
+ .reg = MO_HTOTAL,
+ .mask = 3 << 11,
+ .shift = 11,
}, {
- /* --- audio --- */
- .v = {
- .id = V4L2_CID_AUDIO_MUTE,
- .name = "Mute",
- .minimum = 0,
- .maximum = 1,
- .default_value = 1,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- },
- .reg = AUD_VOL_CTL,
- .sreg = SHADOW_AUD_VOL_CTL,
- .mask = (1 << 6),
- .shift = 6,
+ /* --- audio --- */
+ .id = V4L2_CID_AUDIO_MUTE,
+ .minimum = 0,
+ .maximum = 1,
+ .default_value = 1,
+ .reg = AUD_VOL_CTL,
+ .sreg = SHADOW_AUD_VOL_CTL,
+ .mask = (1 << 6),
+ .shift = 6,
},{
- .v = {
- .id = V4L2_CID_AUDIO_VOLUME,
- .name = "Volume",
- .minimum = 0,
- .maximum = 0x3f,
- .step = 1,
- .default_value = 0x3f,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- .reg = AUD_VOL_CTL,
- .sreg = SHADOW_AUD_VOL_CTL,
- .mask = 0x3f,
- .shift = 0,
+ .id = V4L2_CID_AUDIO_VOLUME,
+ .minimum = 0,
+ .maximum = 0x3f,
+ .step = 1,
+ .default_value = 0x3f,
+ .reg = AUD_VOL_CTL,
+ .sreg = SHADOW_AUD_VOL_CTL,
+ .mask = 0x3f,
+ .shift = 0,
},{
- .v = {
- .id = V4L2_CID_AUDIO_BALANCE,
- .name = "Balance",
- .minimum = 0,
- .maximum = 0x7f,
- .step = 1,
- .default_value = 0x40,
- .type = V4L2_CTRL_TYPE_INTEGER,
- },
- .reg = AUD_BAL_CTL,
- .sreg = SHADOW_AUD_BAL_CTL,
- .mask = 0x7f,
- .shift = 0,
+ .id = V4L2_CID_AUDIO_BALANCE,
+ .minimum = 0,
+ .maximum = 0x7f,
+ .step = 1,
+ .default_value = 0x40,
+ .reg = AUD_BAL_CTL,
+ .sreg = SHADOW_AUD_BAL_CTL,
+ .mask = 0x7f,
+ .shift = 0,
}
};
-enum { CX8800_CTLS = ARRAY_SIZE(cx8800_ctls) };
-/* Must be sorted from low to high control ID! */
-const u32 cx88_user_ctrls[] = {
- V4L2_CID_USER_CLASS,
- V4L2_CID_BRIGHTNESS,
- V4L2_CID_CONTRAST,
- V4L2_CID_SATURATION,
- V4L2_CID_HUE,
- V4L2_CID_AUDIO_VOLUME,
- V4L2_CID_AUDIO_BALANCE,
- V4L2_CID_AUDIO_MUTE,
- V4L2_CID_SHARPNESS,
- V4L2_CID_CHROMA_AGC,
- V4L2_CID_COLOR_KILLER,
- V4L2_CID_BAND_STOP_FILTER,
- 0
-};
-EXPORT_SYMBOL(cx88_user_ctrls);
+enum { CX8800_CTLS = ARRAY_SIZE(cx8800_ctls) };
-static const u32 * const ctrl_classes[] = {
- cx88_user_ctrls,
- NULL
-};
int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
{
- int i;
-
- if (qctrl->id < V4L2_CID_BASE ||
- qctrl->id >= V4L2_CID_LASTP1)
- return -EINVAL;
- for (i = 0; i < CX8800_CTLS; i++)
- if (cx8800_ctls[i].v.id == qctrl->id)
- break;
- if (i == CX8800_CTLS) {
- *qctrl = no_ctl;
- return 0;
- }
- *qctrl = cx8800_ctls[i].v;
- /* Report chroma AGC as inactive when SECAM is selected */
- if (cx8800_ctls[i].v.id == V4L2_CID_CHROMA_AGC &&
- core->tvnorm & V4L2_STD_SECAM)
- qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
-
return 0;
}
EXPORT_SYMBOL(cx8800_ctrl_query);
@@ -974,98 +908,43 @@ video_mmap(struct file *file, struct vm_area_struct * vma)
/* ------------------------------------------------------------------ */
/* VIDEO CTRL IOCTLS */
-int cx88_get_control (struct cx88_core *core, struct v4l2_control *ctl)
-{
- const struct cx88_ctrl *c = NULL;
- u32 value;
- int i;
-
- for (i = 0; i < CX8800_CTLS; i++)
- if (cx8800_ctls[i].v.id == ctl->id)
- c = &cx8800_ctls[i];
- if (unlikely(NULL == c))
- return -EINVAL;
-
- value = c->sreg ? cx_sread(c->sreg) : cx_read(c->reg);
- switch (ctl->id) {
- case V4L2_CID_AUDIO_BALANCE:
- ctl->value = ((value & 0x7f) < 0x40) ? ((value & 0x7f) + 0x40)
- : (0x7f - (value & 0x7f));
- break;
- case V4L2_CID_AUDIO_VOLUME:
- ctl->value = 0x3f - (value & 0x3f);
- break;
- case V4L2_CID_SHARPNESS:
- ctl->value = ((value & 0x0200) ? (((value & 0x0180) >> 7) + 1)
- : 0);
- break;
- default:
- ctl->value = ((value + (c->off << c->shift)) & c->mask) >> c->shift;
- break;
- }
- dprintk(1,"get_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
- ctl->id, c->v.name, ctl->value, c->reg,
- value,c->mask, c->sreg ? " [shadowed]" : "");
- return 0;
-}
-EXPORT_SYMBOL(cx88_get_control);
-
-int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
+static int cx8800_s_ctrl(struct v4l2_ctrl *ctrl)
{
- const struct cx88_ctrl *c = NULL;
+ struct cx88_core *core =
+ container_of(ctrl->handler, struct cx88_core, hdl);
+ const struct cx88_ctrl *cc = ctrl->priv;
u32 value,mask;
- int i;
-
- for (i = 0; i < CX8800_CTLS; i++) {
- if (cx8800_ctls[i].v.id == ctl->id) {
- c = &cx8800_ctls[i];
- }
- }
- if (unlikely(NULL == c))
- return -EINVAL;
-
- if (ctl->value < c->v.minimum)
- ctl->value = c->v.minimum;
- if (ctl->value > c->v.maximum)
- ctl->value = c->v.maximum;
/* Pass changes onto any WM8775 */
if (core->board.audio_chip == V4L2_IDENT_WM8775) {
- struct v4l2_control client_ctl;
- memset(&client_ctl, 0, sizeof(client_ctl));
- client_ctl.id = ctl->id;
-
- switch (ctl->id) {
+ switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
- client_ctl.value = ctl->value;
+ wm8775_s_ctrl(core, ctrl->id, ctrl->val);
break;
case V4L2_CID_AUDIO_VOLUME:
- client_ctl.value = (ctl->value) ?
- (0x90 + ctl->value) << 8 : 0;
+ wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
+ (0x90 + ctrl->val) << 8 : 0);
break;
case V4L2_CID_AUDIO_BALANCE:
- client_ctl.value = ctl->value << 9;
+ wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
break;
default:
- client_ctl.id = 0;
break;
}
- if (client_ctl.id)
- call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
}
- mask=c->mask;
- switch (ctl->id) {
+ mask = cc->mask;
+ switch (ctrl->id) {
case V4L2_CID_AUDIO_BALANCE:
- value = (ctl->value < 0x40) ? (0x7f - ctl->value) : (ctl->value - 0x40);
+ value = (ctrl->val < 0x40) ? (0x7f - ctrl->val) : (ctrl->val - 0x40);
break;
case V4L2_CID_AUDIO_VOLUME:
- value = 0x3f - (ctl->value & 0x3f);
+ value = 0x3f - (ctrl->val & 0x3f);
break;
case V4L2_CID_SATURATION:
/* special v_sat handling */
- value = ((ctl->value - c->off) << c->shift) & c->mask;
+ value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
if (core->tvnorm & V4L2_STD_SECAM) {
/* For SECAM, both U and V sat should be equal */
@@ -1078,44 +957,29 @@ int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
break;
case V4L2_CID_SHARPNESS:
/* 0b000, 0b100, 0b101, 0b110, or 0b111 */
- value = (ctl->value < 1 ? 0 : ((ctl->value + 3) << 7));
+ value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
/* needs to be set for both fields */
cx_andor(MO_FILTER_EVEN, mask, value);
break;
case V4L2_CID_CHROMA_AGC:
/* Do not allow chroma AGC to be enabled for SECAM */
- value = ((ctl->value - c->off) << c->shift) & c->mask;
- if (core->tvnorm & V4L2_STD_SECAM && value)
+ value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
+ if ((core->tvnorm & V4L2_STD_SECAM) && value)
return -EINVAL;
break;
default:
- value = ((ctl->value - c->off) << c->shift) & c->mask;
+ 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",
- ctl->id, c->v.name, ctl->value, c->reg, value,
- mask, c->sreg ? " [shadowed]" : "");
- if (c->sreg) {
- cx_sandor(c->sreg, c->reg, mask, value);
- } else {
- cx_andor(c->reg, mask, value);
- }
+ 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
+ cx_andor(cc->reg, mask, value);
return 0;
}
-EXPORT_SYMBOL(cx88_set_control);
-
-static void init_controls(struct cx88_core *core)
-{
- struct v4l2_control ctrl;
- int i;
-
- for (i = 0; i < CX8800_CTLS; i++) {
- ctrl.id=cx8800_ctls[i].v.id;
- ctrl.value=cx8800_ctls[i].v.default_value;
-
- cx88_set_control(core, &ctrl);
- }
-}
/* ------------------------------------------------------------------ */
/* VIDEO IOCTLS */
@@ -1382,35 +1246,6 @@ static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
return 0;
}
-
-
-static int vidioc_queryctrl (struct file *file, void *priv,
- struct v4l2_queryctrl *qctrl)
-{
- struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
-
- qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
- if (unlikely(qctrl->id == 0))
- return -EINVAL;
- return cx8800_ctrl_query(core, qctrl);
-}
-
-static int vidioc_g_ctrl (struct file *file, void *priv,
- struct v4l2_control *ctl)
-{
- struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
- return
- cx88_get_control(core,ctl);
-}
-
-static int vidioc_s_ctrl (struct file *file, void *priv,
- struct v4l2_control *ctl)
-{
- struct cx88_core *core = ((struct cx8800_fh *)priv)->dev->core;
- return
- cx88_set_control(core,ctl);
-}
-
static int vidioc_g_tuner (struct file *file, void *priv,
struct v4l2_tuner *t)
{
@@ -1563,29 +1398,6 @@ static int radio_s_tuner (struct file *file, void *priv,
return 0;
}
-static int radio_queryctrl (struct file *file, void *priv,
- struct v4l2_queryctrl *c)
-{
- int i;
-
- if (c->id < V4L2_CID_BASE ||
- c->id >= V4L2_CID_LASTP1)
- return -EINVAL;
- if (c->id == V4L2_CID_AUDIO_MUTE ||
- c->id == V4L2_CID_AUDIO_VOLUME ||
- c->id == V4L2_CID_AUDIO_BALANCE) {
- for (i = 0; i < CX8800_CTLS; i++) {
- if (cx8800_ctls[i].v.id == c->id)
- break;
- }
- if (i == CX8800_CTLS)
- return -EINVAL;
- *c = cx8800_ctls[i].v;
- } else
- *c = no_ctl;
- return 0;
-}
-
/* ----------------------------------------------------------- */
static void cx8800_vid_timeout(unsigned long data)
@@ -1739,9 +1551,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_enum_input = vidioc_enum_input,
.vidioc_g_input = vidioc_g_input,
.vidioc_s_input = vidioc_s_input,
- .vidioc_queryctrl = vidioc_queryctrl,
- .vidioc_g_ctrl = vidioc_g_ctrl,
- .vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_g_tuner = vidioc_g_tuner,
@@ -1776,9 +1585,6 @@ static const struct v4l2_ioctl_ops radio_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = radio_g_tuner,
.vidioc_s_tuner = radio_s_tuner,
- .vidioc_queryctrl = radio_queryctrl,
- .vidioc_g_ctrl = vidioc_g_ctrl,
- .vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_g_frequency = vidioc_g_frequency,
.vidioc_s_frequency = vidioc_s_frequency,
#ifdef CONFIG_VIDEO_ADV_DEBUG
@@ -1793,6 +1599,10 @@ static const struct video_device cx8800_radio_template = {
.ioctl_ops = &radio_ioctl_ops,
};
+static const struct v4l2_ctrl_ops cx8800_ctrl_ops = {
+ .s_ctrl = cx8800_s_ctrl,
+};
+
/* ----------------------------------------------------------- */
static void cx8800_unregister_video(struct cx8800_dev *dev)
@@ -1825,8 +1635,8 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
{
struct cx8800_dev *dev;
struct cx88_core *core;
-
int err;
+ int i;
dev = kzalloc(sizeof(*dev),GFP_KERNEL);
if (NULL == dev)
@@ -1897,6 +1707,19 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
}
cx_set(MO_PCI_INTMSK, core->pci_irqmask);
+ for (i = 0; i < CX8800_CTLS; i++) {
+ const struct cx88_ctrl *cc = &cx8800_ctls[i];
+ struct v4l2_ctrl *vc;
+
+ vc = v4l2_ctrl_new_std(&core->hdl, &cx8800_ctrl_ops,
+ cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
+ if (vc == NULL) {
+ err = core->hdl.error;
+ goto fail_core;
+ }
+ vc->priv = (void *)cc;
+ }
+
/* load and configure helper modules */
if (core->board.audio_chip == V4L2_IDENT_WM8775) {
@@ -1914,8 +1737,10 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
&wm8775_info, NULL);
- if (sd != NULL)
+ if (sd != NULL) {
+ core->sd_wm8775 = sd;
sd->grp_id = WM8775_GID;
+ }
}
if (core->board.audio_chip == V4L2_IDENT_TVAUDIO) {
@@ -1946,7 +1771,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
/* initial device configuration */
mutex_lock(&core->lock);
cx88_set_tvnorm(core, core->tvnorm);
- init_controls(core);
+ v4l2_ctrl_handler_setup(&core->hdl);
cx88_video_mux(core, 0);
/* register v4l devices */