From 7b606ffd65730bca6eaa45f74e0bdf70dbe8a854 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 9 Feb 2016 15:53:39 -0200 Subject: [PATCH] [media] au0828: move V4L2-specific code to au0828-core.c Instead of having lots of #ifdefs inside au0828-core due to V4L2, move the dependencies to au0828-video.c. That allows removing all those ifdefs, as au0828-video is only compiled if CONFIG_VIDEO_AU0828_V4L2. This fixes the following warnings reported by Kbuild test with a random config with au0828 enabled, but V4L2 is disabled. All warnings (new ones prefixed by >>): drivers/media/usb/au0828/au0828-core.c: In function 'au0828_usb_probe': >> drivers/media/usb/au0828/au0828-core.c:463:1: warning: label 'done' defined but not used [-Wunused-label] done: ^ drivers/media/usb/au0828/au0828-core.c: At top level: drivers/media/usb/au0828/au0828-core.c:250:12: warning: 'au0828_create_media_graph' defined but not used [-Wunused-function] static int au0828_create_media_graph(struct au0828_dev *dev) ^ Tested with a WinTV HVR 950Q (USB ID: 2040:7200) Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/au0828/au0828-core.c | 157 ++--------------------- drivers/media/usb/au0828/au0828-video.c | 162 +++++++++++++++++++++++- drivers/media/usb/au0828/au0828.h | 20 ++- 3 files changed, 187 insertions(+), 152 deletions(-) diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c index 0a8afbf181c9..f23da7e7984b 100644 --- a/drivers/media/usb/au0828/au0828-core.c +++ b/drivers/media/usb/au0828/au0828-core.c @@ -143,7 +143,7 @@ static void au0828_unregister_media_device(struct au0828_dev *dev) #endif } -static void au0828_usb_release(struct au0828_dev *dev) +void au0828_usb_release(struct au0828_dev *dev) { au0828_unregister_media_device(dev); @@ -153,33 +153,6 @@ static void au0828_usb_release(struct au0828_dev *dev) kfree(dev); } -#ifdef CONFIG_VIDEO_AU0828_V4L2 - -static void au0828_usb_v4l2_media_release(struct au0828_dev *dev) -{ -#ifdef CONFIG_MEDIA_CONTROLLER - int i; - - for (i = 0; i < AU0828_MAX_INPUT; i++) { - if (AUVI_INPUT(i).type == AU0828_VMUX_UNDEFINED) - return; - media_device_unregister_entity(&dev->input_ent[i]); - } -#endif -} - -static void au0828_usb_v4l2_release(struct v4l2_device *v4l2_dev) -{ - struct au0828_dev *dev = - container_of(v4l2_dev, struct au0828_dev, v4l2_dev); - - v4l2_ctrl_handler_free(&dev->v4l2_ctrl_hdl); - v4l2_device_unregister(&dev->v4l2_dev); - au0828_usb_v4l2_media_release(dev); - au0828_usb_release(dev); -} -#endif - static void au0828_usb_disconnect(struct usb_interface *interface) { struct au0828_dev *dev = usb_get_intfdata(interface); @@ -202,18 +175,13 @@ static void au0828_usb_disconnect(struct usb_interface *interface) mutex_lock(&dev->mutex); dev->usbdev = NULL; mutex_unlock(&dev->mutex); -#ifdef CONFIG_VIDEO_AU0828_V4L2 - if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) { - au0828_analog_unregister(dev); - v4l2_device_disconnect(&dev->v4l2_dev); - v4l2_device_put(&dev->v4l2_dev); + if (au0828_analog_unregister(dev)) { /* * No need to call au0828_usb_release() if V4L2 is enabled, * as this is already called via au0828_usb_v4l2_release() */ return; } -#endif au0828_usb_release(dev); } @@ -247,83 +215,6 @@ static int au0828_media_device_init(struct au0828_dev *dev, } -static int au0828_create_media_graph(struct au0828_dev *dev) -{ -#ifdef CONFIG_MEDIA_CONTROLLER - struct media_device *mdev = dev->media_dev; - struct media_entity *entity; - struct media_entity *tuner = NULL, *decoder = NULL; - int i, ret; - - if (!mdev) - return 0; - - media_device_for_each_entity(entity, mdev) { - switch (entity->function) { - case MEDIA_ENT_F_TUNER: - tuner = entity; - break; - case MEDIA_ENT_F_ATV_DECODER: - decoder = entity; - break; - } - } - - /* Analog setup, using tuner as a link */ - - /* Something bad happened! */ - if (!decoder) - return -EINVAL; - - if (tuner) { - ret = media_create_pad_link(tuner, TUNER_PAD_OUTPUT, - decoder, 0, - MEDIA_LNK_FL_ENABLED); - if (ret) - return ret; - } - ret = media_create_pad_link(decoder, 1, &dev->vdev.entity, 0, - MEDIA_LNK_FL_ENABLED); - if (ret) - return ret; - ret = media_create_pad_link(decoder, 2, &dev->vbi_dev.entity, 0, - MEDIA_LNK_FL_ENABLED); - if (ret) - return ret; - - for (i = 0; i < AU0828_MAX_INPUT; i++) { - struct media_entity *ent = &dev->input_ent[i]; - - if (AUVI_INPUT(i).type == AU0828_VMUX_UNDEFINED) - break; - - switch (AUVI_INPUT(i).type) { - case AU0828_VMUX_CABLE: - case AU0828_VMUX_TELEVISION: - case AU0828_VMUX_DVB: - if (!tuner) - break; - - ret = media_create_pad_link(ent, 0, tuner, - TUNER_PAD_RF_INPUT, - MEDIA_LNK_FL_ENABLED); - if (ret) - return ret; - break; - case AU0828_VMUX_COMPOSITE: - case AU0828_VMUX_SVIDEO: - default: /* AU0828_VMUX_DEBUG */ - /* FIXME: fix the decoder PAD */ - ret = media_create_pad_link(ent, 0, decoder, 0, 0); - if (ret) - return ret; - break; - } - } -#endif - return 0; -} - static int au0828_usb_probe(struct usb_interface *interface, const struct usb_device_id *id) { @@ -378,32 +269,13 @@ static int au0828_usb_probe(struct usb_interface *interface, return retval; } -#ifdef CONFIG_VIDEO_AU0828_V4L2 - dev->v4l2_dev.release = au0828_usb_v4l2_release; - - /* Create the v4l2_device */ -#ifdef CONFIG_MEDIA_CONTROLLER - dev->v4l2_dev.mdev = dev->media_dev; -#endif - retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev); + retval = au0828_v4l2_device_register(interface, dev); if (retval) { - pr_err("%s() v4l2_device_register failed\n", - __func__); + au0828_usb_v4l2_media_release(dev); mutex_unlock(&dev->lock); kfree(dev); return retval; } - /* This control handler will inherit the controls from au8522 */ - retval = v4l2_ctrl_handler_init(&dev->v4l2_ctrl_hdl, 4); - if (retval) { - pr_err("%s() v4l2_ctrl_handler_init failed\n", - __func__); - mutex_unlock(&dev->lock); - kfree(dev); - return retval; - } - dev->v4l2_dev.ctrl_handler = &dev->v4l2_ctrl_hdl; -#endif /* Power Up the bridge */ au0828_write(dev, REG_600, 1 << 4); @@ -417,24 +289,13 @@ static int au0828_usb_probe(struct usb_interface *interface, /* Setup */ au0828_card_setup(dev); -#ifdef CONFIG_VIDEO_AU0828_V4L2 /* Analog TV */ - if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) { - retval = au0828_analog_register(dev, interface); - if (retval) { - pr_err("%s() au0282_dev_register failed to register on V4L2\n", - __func__); - goto done; - } - - retval = au0828_create_media_graph(dev); - if (retval) { - pr_err("%s() au0282_dev_register failed to create graph\n", - __func__); - goto done; - } + retval = au0828_analog_register(dev, interface); + if (retval) { + pr_err("%s() au0282_dev_register failed to register on V4L2\n", + __func__); + goto done; } -#endif /* Digital TV */ retval = au0828_dvb_register(dev); diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index 8c54fd21022e..4164302dd8ac 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -638,6 +638,144 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) return rc; } +void au0828_usb_v4l2_media_release(struct au0828_dev *dev) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + int i; + + for (i = 0; i < AU0828_MAX_INPUT; i++) { + if (AUVI_INPUT(i).type == AU0828_VMUX_UNDEFINED) + return; + media_device_unregister_entity(&dev->input_ent[i]); + } +#endif +} + +static int au0828_create_media_graph(struct au0828_dev *dev) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + struct media_device *mdev = dev->media_dev; + struct media_entity *entity; + struct media_entity *tuner = NULL, *decoder = NULL; + int i, ret; + + if (!mdev) + return 0; + + media_device_for_each_entity(entity, mdev) { + switch (entity->function) { + case MEDIA_ENT_F_TUNER: + tuner = entity; + break; + case MEDIA_ENT_F_ATV_DECODER: + decoder = entity; + break; + } + } + + /* Analog setup, using tuner as a link */ + + /* Something bad happened! */ + if (!decoder) + return -EINVAL; + + if (tuner) { + ret = media_create_pad_link(tuner, TUNER_PAD_OUTPUT, + decoder, 0, + MEDIA_LNK_FL_ENABLED); + if (ret) + return ret; + } + ret = media_create_pad_link(decoder, 1, &dev->vdev.entity, 0, + MEDIA_LNK_FL_ENABLED); + if (ret) + return ret; + ret = media_create_pad_link(decoder, 2, &dev->vbi_dev.entity, 0, + MEDIA_LNK_FL_ENABLED); + if (ret) + return ret; + + for (i = 0; i < AU0828_MAX_INPUT; i++) { + struct media_entity *ent = &dev->input_ent[i]; + + if (AUVI_INPUT(i).type == AU0828_VMUX_UNDEFINED) + break; + + switch (AUVI_INPUT(i).type) { + case AU0828_VMUX_CABLE: + case AU0828_VMUX_TELEVISION: + case AU0828_VMUX_DVB: + if (!tuner) + break; + + ret = media_create_pad_link(ent, 0, tuner, + TUNER_PAD_RF_INPUT, + MEDIA_LNK_FL_ENABLED); + if (ret) + return ret; + break; + case AU0828_VMUX_COMPOSITE: + case AU0828_VMUX_SVIDEO: + default: /* AU0828_VMUX_DEBUG */ + /* FIXME: fix the decoder PAD */ + ret = media_create_pad_link(ent, 0, decoder, 0, 0); + if (ret) + return ret; + break; + } + } +#endif + return 0; +} + +static void au0828_usb_v4l2_release(struct v4l2_device *v4l2_dev) +{ + struct au0828_dev *dev = + container_of(v4l2_dev, struct au0828_dev, v4l2_dev); + + v4l2_ctrl_handler_free(&dev->v4l2_ctrl_hdl); + v4l2_device_unregister(&dev->v4l2_dev); + au0828_usb_v4l2_media_release(dev); + au0828_usb_release(dev); +} + +int au0828_v4l2_device_register(struct usb_interface *interface, + struct au0828_dev *dev) +{ + int retval; + + if (AUVI_INPUT(0).type == AU0828_VMUX_UNDEFINED) + return 0; + + /* Create the v4l2_device */ +#ifdef CONFIG_MEDIA_CONTROLLER + dev->v4l2_dev.mdev = dev->media_dev; +#endif + retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev); + if (retval) { + pr_err("%s() v4l2_device_register failed\n", + __func__); + mutex_unlock(&dev->lock); + kfree(dev); + return retval; + } + + dev->v4l2_dev.release = au0828_usb_v4l2_release; + + /* This control handler will inherit the controls from au8522 */ + retval = v4l2_ctrl_handler_init(&dev->v4l2_ctrl_hdl, 4); + if (retval) { + pr_err("%s() v4l2_ctrl_handler_init failed\n", + __func__); + mutex_unlock(&dev->lock); + kfree(dev); + return retval; + } + dev->v4l2_dev.ctrl_handler = &dev->v4l2_ctrl_hdl; + + return 0; +} + static int au0828_enable_analog_tuner(struct au0828_dev *dev) { #ifdef CONFIG_MEDIA_CONTROLLER @@ -949,13 +1087,23 @@ static struct vb2_ops au0828_video_qops = { * au0828_analog_unregister * unregister v4l2 devices */ -void au0828_analog_unregister(struct au0828_dev *dev) +int au0828_analog_unregister(struct au0828_dev *dev) { dprintk(1, "au0828_analog_unregister called\n"); + + /* No analog TV */ + if (AUVI_INPUT(0).type == AU0828_VMUX_UNDEFINED) + return 0; + mutex_lock(&au0828_sysfs_lock); video_unregister_device(&dev->vdev); video_unregister_device(&dev->vbi_dev); mutex_unlock(&au0828_sysfs_lock); + + v4l2_device_disconnect(&dev->v4l2_dev); + v4l2_device_put(&dev->v4l2_dev); + + return 1; } /* This function ensures that video frames continue to be delivered even if @@ -1871,6 +2019,10 @@ int au0828_analog_register(struct au0828_dev *dev, dprintk(1, "au0828_analog_register called for intf#%d!\n", interface->cur_altsetting->desc.bInterfaceNumber); + /* No analog TV */ + if (AUVI_INPUT(0).type == AU0828_VMUX_UNDEFINED) + return 0; + /* set au0828 usb interface0 to as5 */ retval = usb_set_interface(dev->usbdev, interface->cur_altsetting->desc.bInterfaceNumber, 5); @@ -1976,6 +2128,14 @@ int au0828_analog_register(struct au0828_dev *dev, ret = -ENODEV; goto err_reg_vbi_dev; } + retval = au0828_create_media_graph(dev); + if (retval) { + pr_err("%s() au0282_dev_register failed to create graph\n", + __func__); + ret = -ENODEV; + goto err_reg_vbi_dev; + } + dprintk(1, "%s completed!\n", __func__); diff --git a/drivers/media/usb/au0828/au0828.h b/drivers/media/usb/au0828/au0828.h index 8276072bc55a..19fd6a841988 100644 --- a/drivers/media/usb/au0828/au0828.h +++ b/drivers/media/usb/au0828/au0828.h @@ -301,6 +301,7 @@ struct au0828_dev { /* au0828-core.c */ extern u32 au0828_read(struct au0828_dev *dev, u16 reg); extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val); +extern void au0828_usb_release(struct au0828_dev *dev); extern int au0828_debug; /* ----------------------------------------------------------- */ @@ -319,16 +320,29 @@ extern int au0828_i2c_unregister(struct au0828_dev *dev); /* ----------------------------------------------------------- */ /* au0828-video.c */ -extern int au0828_analog_register(struct au0828_dev *dev, - struct usb_interface *interface); -extern void au0828_analog_unregister(struct au0828_dev *dev); extern int au0828_start_analog_streaming(struct vb2_queue *vq, unsigned int count); extern void au0828_stop_vbi_streaming(struct vb2_queue *vq); #ifdef CONFIG_VIDEO_AU0828_V4L2 +extern int au0828_v4l2_device_register(struct usb_interface *interface, + struct au0828_dev *dev); + +extern int au0828_analog_register(struct au0828_dev *dev, + struct usb_interface *interface); +extern int au0828_analog_unregister(struct au0828_dev *dev); +extern void au0828_usb_v4l2_media_release(struct au0828_dev *dev); extern void au0828_v4l2_suspend(struct au0828_dev *dev); extern void au0828_v4l2_resume(struct au0828_dev *dev); #else +static inline int au0828_v4l2_device_register(struct usb_interface *interface, + struct au0828_dev *dev) +{ return 0; }; +static inline int au0828_analog_register(struct au0828_dev *dev, + struct usb_interface *interface) +{ return 0; }; +static inline int au0828_analog_unregister(struct au0828_dev *dev) +{ return 0; }; +static inline void au0828_usb_v4l2_media_release(struct au0828_dev *dev) { }; static inline void au0828_v4l2_suspend(struct au0828_dev *dev) { }; static inline void au0828_v4l2_resume(struct au0828_dev *dev) { }; #endif -- 2.30.2