usbvision: convert to v4l2_device/v4l2_subdev.

From: Hans Verkuil <hverkuil@xs4all.nl>

Priority: normal

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

4 files changed, 75 insertions, 145 deletions

diff --git a/linux/drivers/media/video/usbvision/usbvision-core.c b/linux/drivers/media/video/usbvision/usbvision-core.c
index 440f1b05a..412149bbe 100644
--- a/linux/drivers/media/video/usbvision/usbvision-core.c
+++ b/linux/drivers/media/video/usbvision/usbvision-core.c
@@ -2654,7 +2654,7 @@ int usbvision_muxsel(struct usb_usbvision *usbvision, int channel)
 	}
 	route.input = mode[channel];
 	route.output = 0;
-	call_i2c_clients(usbvision, VIDIOC_INT_S_VIDEO_ROUTING,&route);
+	call_all(usbvision, video, s_routing, &route);
 	usbvision_set_audio(usbvision, audio[channel]);
 	return 0;
 }
diff --git a/linux/drivers/media/video/usbvision/usbvision-i2c.c b/linux/drivers/media/video/usbvision/usbvision-i2c.c
index 4c74861f4..addc1716e 100644
--- a/linux/drivers/media/video/usbvision/usbvision-i2c.c
+++ b/linux/drivers/media/video/usbvision/usbvision-i2c.c
@@ -206,72 +206,78 @@ static struct i2c_algorithm usbvision_algo = {
 };
 
 
-/*
- * registering functions to load algorithms at runtime
- */
-static int usbvision_i2c_usb_add_bus(struct i2c_adapter *adap)
-{
-	PDEBUG(DBG_I2C, "I2C   debugging is enabled [i2c]");
-	PDEBUG(DBG_I2C, "ALGO   debugging is enabled [i2c]");
-
-	/* register new adapter to i2c module... */
-
-	adap->algo = &usbvision_algo;
-
-	adap->timeout = 100;	/* default values, should       */
-	adap->retries = 3;	/* be replaced by defines       */
-
-	i2c_add_adapter(adap);
-
-	PDEBUG(DBG_I2C,"i2c bus for %s registered", adap->name);
-
-	return 0;
-}
-
 /* ----------------------------------------------------------------------- */
 /* usbvision specific I2C functions                                        */
 /* ----------------------------------------------------------------------- */
 static struct i2c_adapter i2c_adap_template;
-static struct i2c_client i2c_client_template;
 
 int usbvision_i2c_register(struct usb_usbvision *usbvision)
 {
+	static unsigned short saa711x_addrs[] = {
+		0x4a >> 1, 0x48 >> 1,	/* SAA7111, SAA7111A and SAA7113 */
+		0x42 >> 1, 0x40 >> 1,	/* SAA7114, SAA7115 and SAA7118 */
+		I2C_CLIENT_END };
+
 	memcpy(&usbvision->i2c_adap, &i2c_adap_template,
 	       sizeof(struct i2c_adapter));
-	memcpy(&usbvision->i2c_client, &i2c_client_template,
-	       sizeof(struct i2c_client));
 
 	sprintf(usbvision->i2c_adap.name + strlen(usbvision->i2c_adap.name),
 		" #%d", usbvision->vdev->num);
 	PDEBUG(DBG_I2C,"Adaptername: %s", usbvision->i2c_adap.name);
 	usbvision->i2c_adap.dev.parent = &usbvision->dev->dev;
 
-	i2c_set_adapdata(&usbvision->i2c_adap, usbvision);
-	i2c_set_clientdata(&usbvision->i2c_client, usbvision);
-
-	usbvision->i2c_client.adapter = &usbvision->i2c_adap;
+	i2c_set_adapdata(&usbvision->i2c_adap, &usbvision->v4l2_dev);
 
 	if (usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_IIC_LRNACK) < 0) {
 		printk(KERN_ERR "usbvision_register: can't write reg\n");
 		return -EBUSY;
 	}
 
-#ifdef CONFIG_MODULES
+	PDEBUG(DBG_I2C, "I2C   debugging is enabled [i2c]");
+	PDEBUG(DBG_I2C, "ALGO   debugging is enabled [i2c]");
+
+	/* register new adapter to i2c module... */
+
+	usbvision->i2c_adap.algo = &usbvision_algo;
+
+	usbvision->i2c_adap.timeout = 100;	/* default values, should       */
+	usbvision->i2c_adap.retries = 3;	/* be replaced by defines       */
+
+	i2c_add_adapter(&usbvision->i2c_adap);
+
+	PDEBUG(DBG_I2C, "i2c bus for %s registered", usbvision->i2c_adap.name);
+
 	/* Request the load of the i2c modules we need */
 	switch (usbvision_device_data[usbvision->DevModel].Codec) {
 	case CODEC_SAA7113:
-		request_module("saa7115");
-		break;
 	case CODEC_SAA7111:
-		request_module("saa7115");
+		v4l2_i2c_new_probed_subdev(&usbvision->i2c_adap, "saa7115",
+				"saa7115_auto", saa711x_addrs);
 		break;
 	}
 	if (usbvision_device_data[usbvision->DevModel].Tuner == 1) {
-		request_module("tuner");
+		struct v4l2_subdev *sd;
+		enum v4l2_i2c_tuner_type type;
+		struct tuner_setup tun_setup;
+
+		sd = v4l2_i2c_new_probed_subdev(&usbvision->i2c_adap, "tuner",
+				"tuner", v4l2_i2c_tuner_addrs(ADDRS_DEMOD));
+		/* depending on whether we found a demod or not, select
+		   the tuner type. */
+		type = sd ? ADDRS_TV_WITH_DEMOD : ADDRS_TV;
+
+		sd = v4l2_i2c_new_probed_subdev(&usbvision->i2c_adap, "tuner",
+				"tuner", v4l2_i2c_tuner_addrs(type));
+
+		if (usbvision->tuner_type != -1) {
+			tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
+			tun_setup.type = usbvision->tuner_type;
+			tun_setup.addr = v4l2_i2c_subdev_addr(sd);
+			call_all(usbvision, tuner, s_type_addr, &tun_setup);
+		}
 	}
-#endif
 
-	return usbvision_i2c_usb_add_bus(&usbvision->i2c_adap);
+	return 0;
 }
 
 int usbvision_i2c_unregister(struct usb_usbvision *usbvision)
@@ -284,67 +290,6 @@ int usbvision_i2c_unregister(struct usb_usbvision *usbvision)
 	return 0;
 }
 
-void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd,
-		      void *arg)
-{
-	i2c_clients_command(&usbvision->i2c_adap, cmd, arg);
-}
-
-static int attach_inform(struct i2c_client *client)
-{
-	struct usb_usbvision *usbvision;
-
-	usbvision = (struct usb_usbvision *)i2c_get_adapdata(client->adapter);
-
-	switch (client->addr << 1) {
-		case 0x42 << 1:
-		case 0x43 << 1:
-		case 0x4a << 1:
-		case 0x4b << 1:
-			PDEBUG(DBG_I2C,"attach_inform: tda9887 detected.");
-			break;
-		case 0x42:
-			PDEBUG(DBG_I2C,"attach_inform: saa7114 detected.");
-			break;
-		case 0x4a:
-			PDEBUG(DBG_I2C,"attach_inform: saa7113 detected.");
-			break;
-		case 0x48:
-			PDEBUG(DBG_I2C,"attach_inform: saa7111 detected.");
-			break;
-		case 0xa0:
-			PDEBUG(DBG_I2C,"attach_inform: eeprom detected.");
-			break;
-
-		default:
-			{
-				struct tuner_setup tun_setup;
-
-				PDEBUG(DBG_I2C,"attach inform: detected I2C address %x", client->addr << 1);
-				usbvision->tuner_addr = client->addr;
-
-				if ((usbvision->have_tuner) && (usbvision->tuner_type != -1)) {
-					tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
-					tun_setup.type = usbvision->tuner_type;
-					tun_setup.addr = usbvision->tuner_addr;
-					call_i2c_clients(usbvision, TUNER_SET_TYPE_ADDR, &tun_setup);
-				}
-			}
-			break;
-	}
-	return 0;
-}
-
-static int detach_inform(struct i2c_client *client)
-{
-	struct usb_usbvision *usbvision;
-
-	usbvision = (struct usb_usbvision *)i2c_get_adapdata(client->adapter);
-
-	PDEBUG(DBG_I2C,"usbvision[%d] detaches %s", usbvision->nr, client->name);
-	return 0;
-}
-
 static int
 usbvision_i2c_read_max4(struct usb_usbvision *usbvision, unsigned char addr,
 		     char *buf, short len)
@@ -517,14 +462,6 @@ static int usbvision_i2c_read(struct usb_usbvision *usbvision, unsigned char add
 static struct i2c_adapter i2c_adap_template = {
 	.owner = THIS_MODULE,
 	.name              = "usbvision",
-	.id                = I2C_HW_B_BT848, /* FIXME */
-	.client_register   = attach_inform,
-	.client_unregister = detach_inform,
-	.class		   = I2C_CLASS_TV_ANALOG,
-};
-
-static struct i2c_client i2c_client_template = {
-	.name		= "usbvision internal",
 };
 
 /*
diff --git a/linux/drivers/media/video/usbvision/usbvision-video.c b/linux/drivers/media/video/usbvision/usbvision-video.c
index 334c77d91..cfa184d63 100644
--- a/linux/drivers/media/video/usbvision/usbvision-video.c
+++ b/linux/drivers/media/video/usbvision/usbvision-video.c
@@ -212,7 +212,7 @@ static ssize_t show_hue(struct device *cd,
 	ctrl.id = V4L2_CID_HUE;
 	ctrl.value = 0;
 	if(usbvision->user)
-		call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl);
+		call_all(usbvision, core, g_ctrl, &ctrl);
 	return sprintf(buf, "%d\n", ctrl.value);
 }
 static DEVICE_ATTR(hue, S_IRUGO, show_hue, NULL);
@@ -227,7 +227,7 @@ static ssize_t show_contrast(struct device *cd,
 	ctrl.id = V4L2_CID_CONTRAST;
 	ctrl.value = 0;
 	if(usbvision->user)
-		call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl);
+		call_all(usbvision, core, g_ctrl, &ctrl);
 	return sprintf(buf, "%d\n", ctrl.value);
 }
 static DEVICE_ATTR(contrast, S_IRUGO, show_contrast, NULL);
@@ -242,7 +242,7 @@ static ssize_t show_brightness(struct device *cd,
 	ctrl.id = V4L2_CID_BRIGHTNESS;
 	ctrl.value = 0;
 	if(usbvision->user)
-		call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl);
+		call_all(usbvision, core, g_ctrl, &ctrl);
 	return sprintf(buf, "%d\n", ctrl.value);
 }
 static DEVICE_ATTR(brightness, S_IRUGO, show_brightness, NULL);
@@ -257,7 +257,7 @@ static ssize_t show_saturation(struct device *cd,
 	ctrl.id = V4L2_CID_SATURATION;
 	ctrl.value = 0;
 	if(usbvision->user)
-		call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl);
+		call_all(usbvision, core, g_ctrl, &ctrl);
 	return sprintf(buf, "%d\n", ctrl.value);
 }
 static DEVICE_ATTR(saturation, S_IRUGO, show_saturation, NULL);
@@ -622,8 +622,7 @@ static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
 	usbvision->tvnormId=*id;
 
 	mutex_lock(&usbvision->lock);
-	call_i2c_clients(usbvision, VIDIOC_S_STD,
-			 &usbvision->tvnormId);
+	call_all(usbvision, tuner, s_std, usbvision->tvnormId);
 	mutex_unlock(&usbvision->lock);
 	/* propagate the change to the decoder */
 	usbvision_muxsel(usbvision, usbvision->ctl_input);
@@ -645,7 +644,7 @@ static int vidioc_g_tuner (struct file *file, void *priv,
 		strcpy(vt->name, "Television");
 	}
 	/* Let clients fill in the remainder of this struct */
-	call_i2c_clients(usbvision,VIDIOC_G_TUNER,vt);
+	call_all(usbvision, tuner, g_tuner, vt);
 
 	return 0;
 }
@@ -659,7 +658,7 @@ static int vidioc_s_tuner (struct file *file, void *priv,
 	if (!usbvision->have_tuner || vt->index)
 		return -EINVAL;
 	/* let clients handle this */
-	call_i2c_clients(usbvision,VIDIOC_S_TUNER,vt);
+	call_all(usbvision, tuner, s_tuner, vt);
 
 	return 0;
 }
@@ -690,7 +689,7 @@ static int vidioc_s_frequency (struct file *file, void *priv,
 		return -EINVAL;
 
 	usbvision->freq = freq->frequency;
-	call_i2c_clients(usbvision, VIDIOC_S_FREQUENCY, freq);
+	call_all(usbvision, tuner, s_frequency, freq);
 
 	return 0;
 }
@@ -728,7 +727,7 @@ static int vidioc_queryctrl (struct file *file, void *priv,
 	memset(ctrl,0,sizeof(*ctrl));
 	ctrl->id=id;
 
-	call_i2c_clients(usbvision, VIDIOC_QUERYCTRL, ctrl);
+	call_all(usbvision, core, queryctrl, ctrl);
 
 	if (!ctrl->type)
 		return -EINVAL;
@@ -740,7 +739,7 @@ static int vidioc_g_ctrl (struct file *file, void *priv,
 				struct v4l2_control *ctrl)
 {
 	struct usb_usbvision *usbvision = video_drvdata(file);
-	call_i2c_clients(usbvision, VIDIOC_G_CTRL, ctrl);
+	call_all(usbvision, core, g_ctrl, ctrl);
 
 	return 0;
 }
@@ -749,7 +748,7 @@ static int vidioc_s_ctrl (struct file *file, void *priv,
 				struct v4l2_control *ctrl)
 {
 	struct usb_usbvision *usbvision = video_drvdata(file);
-	call_i2c_clients(usbvision, VIDIOC_S_CTRL, ctrl);
+	call_all(usbvision, core, s_ctrl, ctrl);
 
 	return 0;
 }
@@ -900,10 +899,9 @@ static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *vb)
 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
 {
 	struct usb_usbvision *usbvision = video_drvdata(file);
-	int b=V4L2_BUF_TYPE_VIDEO_CAPTURE;
 
 	usbvision->streaming = Stream_On;
-	call_i2c_clients(usbvision,VIDIOC_STREAMON , &b);
+	call_all(usbvision, video, s_stream, 1);
 
 	return 0;
 }
@@ -912,7 +910,6 @@ static int vidioc_streamoff(struct file *file,
 			    void *priv, enum v4l2_buf_type type)
 {
 	struct usb_usbvision *usbvision = video_drvdata(file);
-	int b=V4L2_BUF_TYPE_VIDEO_CAPTURE;
 
 	if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 		return -EINVAL;
@@ -920,7 +917,7 @@ static int vidioc_streamoff(struct file *file,
 	if(usbvision->streaming == Stream_On) {
 		usbvision_stream_interrupt(usbvision);
 		/* Stop all video streamings */
-		call_i2c_clients(usbvision,VIDIOC_STREAMOFF , &b);
+		call_all(usbvision, video, s_stream, 0);
 	}
 	usbvision_empty_framequeues(usbvision);
 
@@ -1043,7 +1040,7 @@ static ssize_t usbvision_v4l2_read(struct file *file, char __user *buf,
 	if(usbvision->streaming != Stream_On) {
 		/* no stream is running, make it running ! */
 		usbvision->streaming = Stream_On;
-		call_i2c_clients(usbvision,VIDIOC_STREAMON , NULL);
+		call_all(usbvision, video, s_stream, 1);
 	}
 
 	/* Then, enqueue as many frames as possible
@@ -1214,7 +1211,7 @@ static int usbvision_radio_open(struct file *file)
 
 		// If so far no errors then we shall start the radio
 		usbvision->radio = 1;
-		call_i2c_clients(usbvision,AUDC_SET_RADIO,&usbvision->tuner_type);
+		call_all(usbvision, tuner, s_radio);
 		usbvision_set_audio(usbvision, USBVISION_AUDIO_RADIO);
 		usbvision->user++;
 	}
@@ -1427,7 +1424,7 @@ static struct video_device *usbvision_vdev_init(struct usb_usbvision *usbvision,
 	}
 	*vdev = *vdev_template;
 //	vdev->minor   = -1;
-	vdev->parent  = &usb_dev->dev;
+	vdev->v4l2_dev = &usbvision->v4l2_dev;
 	snprintf(vdev->name, sizeof(vdev->name), "%s", name);
 	video_set_drvdata(vdev, usbvision);
 	return vdev;
@@ -1548,33 +1545,30 @@ static struct usb_usbvision *usbvision_alloc(struct usb_device *dev)
 {
 	struct usb_usbvision *usbvision;
 
-	if ((usbvision = kzalloc(sizeof(struct usb_usbvision), GFP_KERNEL)) ==
-	    NULL) {
-		goto err_exit;
-	}
+	usbvision = kzalloc(sizeof(struct usb_usbvision), GFP_KERNEL);
+	if (usbvision == NULL)
+		return NULL;
 
 	usbvision->dev = dev;
+	if (v4l2_device_register(&dev->dev, &usbvision->v4l2_dev))
+		goto err_free;
 
 	mutex_init(&usbvision->lock);	/* available */
 
 	// prepare control urb for control messages during interrupts
 	usbvision->ctrlUrb = usb_alloc_urb(USBVISION_URB_FRAMES, GFP_KERNEL);
-	if (usbvision->ctrlUrb == NULL) {
-		goto err_exit;
-	}
+	if (usbvision->ctrlUrb == NULL)
+		goto err_unreg;
 	init_waitqueue_head(&usbvision->ctrlUrb_wq);
 
 	usbvision_init_powerOffTimer(usbvision);
 
 	return usbvision;
 
-err_exit:
-	if (usbvision && usbvision->ctrlUrb) {
-		usb_free_urb(usbvision->ctrlUrb);
-	}
-	if (usbvision) {
-		kfree(usbvision);
-	}
+err_unreg:
+	v4l2_device_unregister(&usbvision->v4l2_dev);
+err_free:
+	kfree(usbvision);
 	return NULL;
 }
 
@@ -1604,6 +1598,7 @@ static void usbvision_release(struct usb_usbvision *usbvision)
 		usb_free_urb(usbvision->ctrlUrb);
 	}
 
+	v4l2_device_unregister(&usbvision->v4l2_dev);
 	kfree(usbvision);
 
 	PDEBUG(DBG_PROBE, "success");
@@ -1739,8 +1734,6 @@ static int __devinit usbvision_probe(struct usb_interface *intf,
 		usbvision->tuner_type = usbvision_device_data[model].TunerType;
 	}
 
-	usbvision->tuner_addr = ADDR_UNSET;
-
 	usbvision->DevModel = model;
 	usbvision->remove_pending = 0;
 	usbvision->iface = ifnum;
diff --git a/linux/drivers/media/video/usbvision/usbvision.h b/linux/drivers/media/video/usbvision/usbvision.h
index 590ff1e19..dc86c2139 100644
--- a/linux/drivers/media/video/usbvision/usbvision.h
+++ b/linux/drivers/media/video/usbvision/usbvision.h
@@ -35,7 +35,7 @@
 #include <linux/usb.h>
 #include <linux/i2c.h>
 #include <linux/mutex.h>
-#include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
 #include <media/tuner.h>
 #include <linux/videodev2.h>
 #include "compat.h"
@@ -358,13 +358,13 @@ extern struct usbvision_device_data_st usbvision_device_data[];
 extern struct usb_device_id usbvision_table[];
 
 struct usb_usbvision {
+	struct v4l2_device v4l2_dev;
 	struct video_device *vdev;         				/* Video Device */
 	struct video_device *rdev;               			/* Radio Device */
 	struct video_device *vbi; 					/* VBI Device   */
 
 	/* i2c Declaration Section*/
 	struct i2c_adapter i2c_adap;
-	struct i2c_client i2c_client;
 
 	struct urb *ctrlUrb;
 	unsigned char ctrlUrbBuffer[8];
@@ -375,7 +375,6 @@ struct usb_usbvision {
 	/* configuration part */
 	int have_tuner;
 	int tuner_type;
-	int tuner_addr;
 	int bridgeType;							// NT1003, NT1004, NT1005
 	int radio;
 	int video_inputs;						// # of inputs
@@ -465,6 +464,8 @@ struct usb_usbvision {
 	int ComprBlockTypes[4];
 };
 
+#define call_all(usbvision, o, f, args...) \
+	v4l2_device_call_all(&usbvision->v4l2_dev, 0, o, f, ##args)
 
 /* --------------------------------------------------------------- */
 /* defined in usbvision-i2c.c                                      */
@@ -476,7 +477,6 @@ struct usb_usbvision {
 /* ----------------------------------------------------------------------- */
 int usbvision_i2c_register(struct usb_usbvision *usbvision);
 int usbvision_i2c_unregister(struct usb_usbvision *usbvision);
-void call_i2c_clients(struct usb_usbvision *usbvision, unsigned int cmd,void *arg);
 
 /* defined in usbvision-core.c                                      */
 int usbvision_read_reg(struct usb_usbvision *usbvision, unsigned char reg);