diff options
author | Hans Verkuil <hans.verkuil@cisco.com> | 2012-06-10 07:39:52 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-07-06 18:08:23 -0300 |
commit | bac639818c2c720ea8f79f932601f9209579bf14 (patch) | |
tree | 05c6470f25f3dd1717c97949dbc9e6795f931b7d /drivers/media/video/cx88/cx88-video.c | |
parent | 902e197dcc36138e1f40f4435b7de8893ffc6c15 (diff) |
[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.c | 493 |
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 */ |