diff options
| -rw-r--r-- | drivers/media/video/pms.c | 237 |
1 files changed, 123 insertions, 114 deletions
diff --git a/drivers/media/video/pms.c b/drivers/media/video/pms.c index e753b5e4d2ce..8b80f9808911 100644 --- a/drivers/media/video/pms.c +++ b/drivers/media/video/pms.c @@ -30,15 +30,19 @@ #include <linux/init.h> #include <linux/mutex.h> #include <linux/uaccess.h> +#include <linux/isa.h> #include <asm/io.h> #include <linux/videodev2.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-fh.h> +#include <media/v4l2-event.h> #include <media/v4l2-device.h> MODULE_LICENSE("GPL"); -MODULE_VERSION("0.0.4"); +MODULE_VERSION("0.0.5"); #define MOTOROLA 1 #define PHILIPS2 2 /* SAA7191 */ @@ -55,11 +59,11 @@ struct i2c_info { struct pms { struct v4l2_device v4l2_dev; struct video_device vdev; + struct v4l2_ctrl_handler hdl; int height; int width; int depth; int input; - s32 brightness, saturation, hue, contrast; struct mutex lock; int i2c_count; struct i2c_info i2cinfo[64]; @@ -72,8 +76,6 @@ struct pms { void __iomem *mem; }; -static struct pms pms_card; - /* * I/O ports and Shared Memory */ @@ -676,8 +678,10 @@ static int pms_querycap(struct file *file, void *priv, strlcpy(vcap->driver, dev->v4l2_dev.name, sizeof(vcap->driver)); strlcpy(vcap->card, "Mediavision PMS", sizeof(vcap->card)); - strlcpy(vcap->bus_info, "ISA", sizeof(vcap->bus_info)); - vcap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE; + snprintf(vcap->bus_info, sizeof(vcap->bus_info), + "ISA:%s", dev->v4l2_dev.name); + vcap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE; + vcap->capabilities = vcap->device_caps | V4L2_CAP_DEVICE_CAPS; return 0; } @@ -716,11 +720,9 @@ static int pms_s_input(struct file *file, void *fh, unsigned int inp) if (inp > 3) return -EINVAL; - mutex_lock(&dev->lock); dev->input = inp; pms_videosource(dev, inp & 1); pms_vcrinput(dev, inp >> 1); - mutex_unlock(&dev->lock); return 0; } @@ -738,7 +740,6 @@ static int pms_s_std(struct file *file, void *fh, v4l2_std_id *std) int ret = 0; dev->std = *std; - mutex_lock(&dev->lock); if (dev->std & V4L2_STD_NTSC) { pms_framerate(dev, 30); pms_secamcross(dev, 0); @@ -762,81 +763,31 @@ static int pms_s_std(struct file *file, void *fh, v4l2_std_id *std) pms_format(dev, 0); break; }*/ - mutex_unlock(&dev->lock); - return 0; -} - -static int pms_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *qc) -{ - switch (qc->id) { - case V4L2_CID_BRIGHTNESS: - return v4l2_ctrl_query_fill(qc, 0, 255, 1, 139); - case V4L2_CID_CONTRAST: - return v4l2_ctrl_query_fill(qc, 0, 255, 1, 70); - case V4L2_CID_SATURATION: - return v4l2_ctrl_query_fill(qc, 0, 255, 1, 64); - case V4L2_CID_HUE: - return v4l2_ctrl_query_fill(qc, 0, 255, 1, 0); - } - return -EINVAL; -} - -static int pms_g_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct pms *dev = video_drvdata(file); - int ret = 0; - - switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - ctrl->value = dev->brightness; - break; - case V4L2_CID_CONTRAST: - ctrl->value = dev->contrast; - break; - case V4L2_CID_SATURATION: - ctrl->value = dev->saturation; - break; - case V4L2_CID_HUE: - ctrl->value = dev->hue; - break; - default: - ret = -EINVAL; - break; - } return ret; } -static int pms_s_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) +static int pms_s_ctrl(struct v4l2_ctrl *ctrl) { - struct pms *dev = video_drvdata(file); + struct pms *dev = container_of(ctrl->handler, struct pms, hdl); int ret = 0; - mutex_lock(&dev->lock); switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: - dev->brightness = ctrl->value; - pms_brightness(dev, dev->brightness); + pms_brightness(dev, ctrl->val); break; case V4L2_CID_CONTRAST: - dev->contrast = ctrl->value; - pms_contrast(dev, dev->contrast); + pms_contrast(dev, ctrl->val); break; case V4L2_CID_SATURATION: - dev->saturation = ctrl->value; - pms_saturation(dev, dev->saturation); + pms_saturation(dev, ctrl->val); break; case V4L2_CID_HUE: - dev->hue = ctrl->value; - pms_hue(dev, dev->hue); + pms_hue(dev, ctrl->val); break; default: ret = -EINVAL; break; } - mutex_unlock(&dev->lock); return ret; } @@ -884,13 +835,11 @@ static int pms_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fm if (ret) return ret; - mutex_lock(&dev->lock); dev->width = pix->width; dev->height = pix->height; dev->depth = (pix->pixelformat == V4L2_PIX_FMT_RGB555) ? 15 : 16; pms_resolution(dev, dev->width, dev->height); /* Ok we figured out what to use from our wide choice */ - mutex_unlock(&dev->lock); return 0; } @@ -901,7 +850,7 @@ static int pms_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc "RGB 5:5:5", V4L2_PIX_FMT_RGB555, { 0, 0, 0, 0 } }, - { 0, 0, 0, + { 1, 0, 0, "RGB 5:6:5", V4L2_PIX_FMT_RGB565, { 0, 0, 0, 0 } }, @@ -922,32 +871,43 @@ static ssize_t pms_read(struct file *file, char __user *buf, struct pms *dev = video_drvdata(file); int len; - mutex_lock(&dev->lock); len = pms_capture(dev, buf, (dev->depth == 15), count); - mutex_unlock(&dev->lock); return len; } +static unsigned int pms_poll(struct file *file, struct poll_table_struct *wait) +{ + struct v4l2_fh *fh = file->private_data; + unsigned int res = POLLIN | POLLRDNORM; + + if (v4l2_event_pending(fh)) + res |= POLLPRI; + poll_wait(file, &fh->wait, wait); + return res; +} + static const struct v4l2_file_operations pms_fops = { .owner = THIS_MODULE, + .open = v4l2_fh_open, + .release = v4l2_fh_release, + .poll = pms_poll, .unlocked_ioctl = video_ioctl2, .read = pms_read, }; static const struct v4l2_ioctl_ops pms_ioctl_ops = { - .vidioc_querycap = pms_querycap, - .vidioc_g_input = pms_g_input, - .vidioc_s_input = pms_s_input, - .vidioc_enum_input = pms_enum_input, - .vidioc_g_std = pms_g_std, - .vidioc_s_std = pms_s_std, - .vidioc_queryctrl = pms_queryctrl, - .vidioc_g_ctrl = pms_g_ctrl, - .vidioc_s_ctrl = pms_s_ctrl, - .vidioc_enum_fmt_vid_cap = pms_enum_fmt_vid_cap, - .vidioc_g_fmt_vid_cap = pms_g_fmt_vid_cap, - .vidioc_s_fmt_vid_cap = pms_s_fmt_vid_cap, - .vidioc_try_fmt_vid_cap = pms_try_fmt_vid_cap, + .vidioc_querycap = pms_querycap, + .vidioc_g_input = pms_g_input, + .vidioc_s_input = pms_s_input, + .vidioc_enum_input = pms_enum_input, + .vidioc_g_std = pms_g_std, + .vidioc_s_std = pms_s_std, + .vidioc_enum_fmt_vid_cap = pms_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = pms_g_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = pms_s_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = pms_try_fmt_vid_cap, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; /* @@ -1068,76 +1028,125 @@ static int enable; module_param(enable, int, 0); #endif -static int __init pms_init(void) +static const struct v4l2_ctrl_ops pms_ctrl_ops = { + .s_ctrl = pms_s_ctrl, +}; + +static int pms_probe(struct device *pdev, unsigned int card) { - struct pms *dev = &pms_card; - struct v4l2_device *v4l2_dev = &dev->v4l2_dev; + struct pms *dev; + struct v4l2_device *v4l2_dev; + struct v4l2_ctrl_handler *hdl; int res; - strlcpy(v4l2_dev->name, "pms", sizeof(v4l2_dev->name)); - - v4l2_info(v4l2_dev, "Mediavision Pro Movie Studio driver 0.03\n"); - #ifndef MODULE if (!enable) { - v4l2_err(v4l2_dev, - "PMS: not enabled, use pms.enable=1 to probe\n"); + pr_err("PMS: not enabled, use pms.enable=1 to probe\n"); return -ENODEV; } #endif + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (dev == NULL) + return -ENOMEM; + dev->decoder = PHILIPS2; dev->io = io_port; dev->data = io_port + 1; + v4l2_dev = &dev->v4l2_dev; + hdl = &dev->hdl; - if (init_mediavision(dev)) { + res = v4l2_device_register(pdev, v4l2_dev); + if (res < 0) { + v4l2_err(v4l2_dev, "Could not register v4l2_device\n"); + goto free_dev; + } + v4l2_info(v4l2_dev, "Mediavision Pro Movie Studio driver 0.05\n"); + + res = init_mediavision(dev); + if (res) { v4l2_err(v4l2_dev, "Board not found.\n"); - return -ENODEV; + goto free_io; } - res = v4l2_device_register(NULL, v4l2_dev); - if (res < 0) { - v4l2_err(v4l2_dev, "Could not register v4l2_device\n"); - return res; + v4l2_ctrl_handler_init(hdl, 4); + v4l2_ctrl_new_std(hdl, &pms_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 139); + v4l2_ctrl_new_std(hdl, &pms_ctrl_ops, + V4L2_CID_CONTRAST, 0, 255, 1, 70); + v4l2_ctrl_new_std(hdl, &pms_ctrl_ops, + V4L2_CID_SATURATION, 0, 255, 1, 64); + v4l2_ctrl_new_std(hdl, &pms_ctrl_ops, + V4L2_CID_HUE, 0, 255, 1, 0); + if (hdl->error) { + res = hdl->error; + goto free_hdl; } + mutex_init(&dev->lock); strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name)); dev->vdev.v4l2_dev = v4l2_dev; + dev->vdev.ctrl_handler = hdl; dev->vdev.fops = &pms_fops; dev->vdev.ioctl_ops = &pms_ioctl_ops; dev->vdev.release = video_device_release_empty; + dev->vdev.lock = &dev->lock; + dev->vdev.tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM; + set_bit(V4L2_FL_USE_FH_PRIO, &dev->vdev.flags); video_set_drvdata(&dev->vdev, dev); - mutex_init(&dev->lock); dev->std = V4L2_STD_NTSC_M; dev->height = 240; dev->width = 320; - dev->depth = 15; - dev->brightness = 139; - dev->contrast = 70; - dev->hue = 0; - dev->saturation = 64; + dev->depth = 16; pms_swsense(dev, 75); pms_resolution(dev, 320, 240); pms_videosource(dev, 0); pms_vcrinput(dev, 0); - if (video_register_device(&dev->vdev, VFL_TYPE_GRABBER, video_nr) < 0) { - v4l2_device_unregister(&dev->v4l2_dev); - release_region(dev->io, 3); - release_region(0x9a01, 1); - iounmap(dev->mem); - return -EINVAL; - } - return 0; + v4l2_ctrl_handler_setup(hdl); + res = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, video_nr); + if (res >= 0) + return 0; + +free_hdl: + v4l2_ctrl_handler_free(hdl); + v4l2_device_unregister(&dev->v4l2_dev); +free_io: + release_region(dev->io, 3); + release_region(0x9a01, 1); + iounmap(dev->mem); +free_dev: + kfree(dev); + return res; } -static void __exit pms_exit(void) +static int pms_remove(struct device *pdev, unsigned int card) { - struct pms *dev = &pms_card; + struct pms *dev = dev_get_drvdata(pdev); video_unregister_device(&dev->vdev); + v4l2_ctrl_handler_free(&dev->hdl); release_region(dev->io, 3); release_region(0x9a01, 1); iounmap(dev->mem); + return 0; +} + +static struct isa_driver pms_driver = { + .probe = pms_probe, + .remove = pms_remove, + .driver = { + .name = "pms", + }, +}; + +static int __init pms_init(void) +{ + return isa_register_driver(&pms_driver, 1); +} + +static void __exit pms_exit(void) +{ + isa_unregister_driver(&pms_driver); } module_init(pms_init); |