diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-blackbird.c')
-rw-r--r-- | drivers/media/video/cx88/cx88-blackbird.c | 178 |
1 files changed, 109 insertions, 69 deletions
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index 46738321adaf..0037188d77d4 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -50,7 +50,6 @@ MODULE_PARM_DESC(debug,"enable debug messages [blackbird]"); #define dprintk(level,fmt, arg...) if (debug >= level) \ printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg) -static LIST_HEAD(cx8802_devlist); /* ------------------------------------------------------------------ */ @@ -882,7 +881,7 @@ static int mpeg_do_ioctl(struct inode *inode, struct file *file, BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE); - cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, mpeg_do_ioctl); + cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook); blackbird_initialize_codec(dev); cx88_set_scale(dev->core, dev->width, dev->height, @@ -914,11 +913,15 @@ static int mpeg_do_ioctl(struct inode *inode, struct file *file, } default: - return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, mpeg_do_ioctl); + return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook); } return 0; } +int (*cx88_ioctl_hook)(struct inode *inode, struct file *file, + unsigned int cmd, void *arg); +unsigned int (*cx88_ioctl_translator)(unsigned int cmd); + static unsigned int mpeg_translate_ioctl(unsigned int cmd) { return cmd; @@ -927,33 +930,48 @@ static unsigned int mpeg_translate_ioctl(unsigned int cmd) static int mpeg_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { - cmd = mpeg_translate_ioctl( cmd ); - return video_usercopy(inode, file, cmd, arg, mpeg_do_ioctl); + cmd = cx88_ioctl_translator( cmd ); + return video_usercopy(inode, file, cmd, arg, cx88_ioctl_hook); } static int mpeg_open(struct inode *inode, struct file *file) { int minor = iminor(inode); - struct cx8802_dev *h,*dev = NULL; + struct cx8802_dev *dev = NULL; struct cx8802_fh *fh; - struct list_head *list; + struct cx8802_driver *drv = NULL; + int err; - list_for_each(list,&cx8802_devlist) { - h = list_entry(list, struct cx8802_dev, devlist); - if (h->mpeg_dev->minor == minor) - dev = h; - } - if (NULL == dev) + dprintk( 1, "%s\n", __FUNCTION__); + + dev = cx8802_get_device(inode); + if (dev == NULL) return -ENODEV; - if (blackbird_initialize_codec(dev) < 0) + /* Make sure we can acquire the hardware */ + drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); + if (drv) { + err = drv->request_acquire(drv); + if(err != 0) { + dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err); + return err; + } + } + + if (blackbird_initialize_codec(dev) < 0) { + if (drv) + drv->request_release(drv); return -EINVAL; + } dprintk(1,"open minor=%d\n",minor); /* allocate + initialize per filehandle data */ fh = kzalloc(sizeof(*fh),GFP_KERNEL); - if (NULL == fh) + if (NULL == fh) { + if (drv) + drv->request_release(drv); return -ENOMEM; + } file->private_data = fh; fh->dev = dev; @@ -974,6 +992,8 @@ static int mpeg_open(struct inode *inode, struct file *file) static int mpeg_release(struct inode *inode, struct file *file) { struct cx8802_fh *fh = file->private_data; + struct cx8802_dev *dev = NULL; + struct cx8802_driver *drv = NULL; /* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */ blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, @@ -992,6 +1012,16 @@ static int mpeg_release(struct inode *inode, struct file *file) videobuf_mmap_free(&fh->mpegq); file->private_data = NULL; kfree(fh); + + /* Make sure we release the hardware */ + dev = cx8802_get_device(inode); + if (dev == NULL) + return -ENODEV; + + drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); + if (drv) + drv->request_release(drv); + return 0; } @@ -1043,6 +1073,44 @@ static struct video_device cx8802_mpeg_template = /* ------------------------------------------------------------------ */ +/* The CX8802 MPEG API will call this when we can use the hardware */ +static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv) +{ + struct cx88_core *core = drv->core; + int err = 0; + + switch (core->board) { + case CX88_BOARD_HAUPPAUGE_HVR1300: + /* By default, core setup will leave the cx22702 out of reset, on the bus. + * We left the hardware on power up with the cx22702 active. + * We're being given access to re-arrange the GPIOs. + * Take the bus off the cx22702 and put the cx23416 on it. + */ + cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */ + cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */ + break; + default: + err = -ENODEV; + } + return err; +} + +/* The CX8802 MPEG API will call this when we need to release the hardware */ +static int cx8802_blackbird_advise_release(struct cx8802_driver *drv) +{ + struct cx88_core *core = drv->core; + int err = 0; + + switch (core->board) { + case CX88_BOARD_HAUPPAUGE_HVR1300: + /* Exit leaving the cx23416 on the bus */ + break; + default: + err = -ENODEV; + } + return err; +} + static void blackbird_unregister_video(struct cx8802_dev *dev) { if (dev->mpeg_dev) { @@ -1073,28 +1141,23 @@ static int blackbird_register_video(struct cx8802_dev *dev) /* ----------------------------------------------------------- */ -static int __devinit blackbird_probe(struct pci_dev *pci_dev, - const struct pci_device_id *pci_id) +static int cx8802_blackbird_probe(struct cx8802_driver *drv) { - struct cx8802_dev *dev; - struct cx88_core *core; + struct cx88_core *core = drv->core; + struct cx8802_dev *dev = core->dvbdev; int err; - /* general setup */ - core = cx88_core_get(pci_dev); - if (NULL == core) - return -EINVAL; + dprintk( 1, "%s\n", __FUNCTION__); + dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n", + core->board, + core->name, + core->pci_bus, + core->pci_slot); err = -ENODEV; if (!(cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD)) goto fail_core; - err = -ENOMEM; - dev = kzalloc(sizeof(*dev),GFP_KERNEL); - if (NULL == dev) - goto fail_core; - dev->pci = pci_dev; - dev->core = core; dev->width = 720; dev->height = 576; cx2341x_fill_defaults(&dev->params); @@ -1106,64 +1169,36 @@ static int __devinit blackbird_probe(struct pci_dev *pci_dev, dev->height = 576; } - err = cx8802_init_common(dev); - if (0 != err) - goto fail_free; - /* blackbird stuff */ printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n", core->name); host_setup(dev->core); - list_add_tail(&dev->devlist,&cx8802_devlist); blackbird_register_video(dev); /* initial device configuration: needed ? */ return 0; - fail_free: - kfree(dev); fail_core: - cx88_core_put(core,pci_dev); return err; } -static void __devexit blackbird_remove(struct pci_dev *pci_dev) +static int cx8802_blackbird_remove(struct cx8802_driver *drv) { - struct cx8802_dev *dev = pci_get_drvdata(pci_dev); - /* blackbird */ - blackbird_unregister_video(dev); - list_del(&dev->devlist); + blackbird_unregister_video(drv->core->dvbdev); - /* common */ - cx8802_fini_common(dev); - cx88_core_put(dev->core,dev->pci); - kfree(dev); + return 0; } -static struct pci_device_id cx8802_pci_tbl[] = { - { - .vendor = 0x14f1, - .device = 0x8802, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - },{ - /* --- end of list --- */ - } -}; -MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl); - -static struct pci_driver blackbird_pci_driver = { - .name = "cx88-blackbird", - .id_table = cx8802_pci_tbl, - .probe = blackbird_probe, - .remove = __devexit_p(blackbird_remove), -#ifdef CONFIG_PM - .suspend = cx8802_suspend_common, - .resume = cx8802_resume_common, -#endif +static struct cx8802_driver cx8802_blackbird_driver = { + .type_id = CX88_MPEG_BLACKBIRD, + .hw_access = CX8802_DRVCTL_SHARED, + .probe = cx8802_blackbird_probe, + .remove = cx8802_blackbird_remove, + .advise_acquire = cx8802_blackbird_advise_acquire, + .advise_release = cx8802_blackbird_advise_release, }; static int blackbird_init(void) @@ -1176,17 +1211,22 @@ static int blackbird_init(void) printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); #endif - return pci_register_driver(&blackbird_pci_driver); + cx88_ioctl_hook = mpeg_do_ioctl; + cx88_ioctl_translator = mpeg_translate_ioctl; + return cx8802_register_driver(&cx8802_blackbird_driver); } static void blackbird_fini(void) { - pci_unregister_driver(&blackbird_pci_driver); + cx8802_unregister_driver(&cx8802_blackbird_driver); } module_init(blackbird_init); module_exit(blackbird_fini); +EXPORT_SYMBOL(cx88_ioctl_hook); +EXPORT_SYMBOL(cx88_ioctl_translator); + /* ----------------------------------------------------------- */ /* * Local variables: |