From: Hans Verkuil Date: Sat, 14 Mar 2009 15:36:54 +0000 (-0300) Subject: V4L/DVB (11046): bttv: convert to v4l2_device. X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=74fc7bd9cec0ccdbea23659208492ec7ffc58297;p=linux-2.6-omap-h63xx.git V4L/DVB (11046): bttv: convert to v4l2_device. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c index 48762a2b9e4..b1857c19bbd 100644 --- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c +++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c @@ -814,7 +814,7 @@ static int __devinit dvb_bt8xx_probe(struct bttv_sub_device *sub) mutex_init(&card->lock); card->bttv_nr = sub->core->nr; - strncpy(card->card_name, sub->core->name, sizeof(sub->core->name)); + strlcpy(card->card_name, sub->core->v4l2_dev.name, sizeof(card->card_name)); card->i2c_adapter = &sub->core->i2c_adap; switch(sub->core->type) { diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index b5fc3cc6188..3079d925e4c 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -167,7 +167,7 @@ static ssize_t show_card(struct device *cd, struct device_attribute *attr, char *buf) { struct video_device *vfd = container_of(cd, struct video_device, dev); - struct bttv *btv = dev_get_drvdata(vfd->parent); + struct bttv *btv = video_get_drvdata(vfd); return sprintf(buf, "%d\n", btv ? btv->c.type : UNSET); } static DEVICE_ATTR(card, S_IRUGO, show_card, NULL); @@ -3692,14 +3692,14 @@ static void bttv_risc_disasm(struct bttv *btv, unsigned int i,j,n; printk("%s: risc disasm: %p [dma=0x%08lx]\n", - btv->c.name, risc->cpu, (unsigned long)risc->dma); + btv->c.v4l2_dev.name, risc->cpu, (unsigned long)risc->dma); for (i = 0; i < (risc->size >> 2); i += n) { - printk("%s: 0x%lx: ", btv->c.name, + printk("%s: 0x%lx: ", btv->c.v4l2_dev.name, (unsigned long)(risc->dma + (i<<2))); n = bttv_risc_decode(le32_to_cpu(risc->cpu[i])); for (j = 1; j < n; j++) printk("%s: 0x%lx: 0x%08x [ arg #%d ]\n", - btv->c.name, (unsigned long)(risc->dma + ((i+j)<<2)), + btv->c.v4l2_dev.name, (unsigned long)(risc->dma + ((i+j)<<2)), risc->cpu[i+j], j); if (0 == risc->cpu[i]) break; @@ -4175,7 +4175,7 @@ static struct video_device *vdev_init(struct bttv *btv, return NULL; *vfd = *template; vfd->minor = -1; - vfd->parent = &btv->c.pci->dev; + vfd->v4l2_dev = &btv->c.v4l2_dev; vfd->release = video_device_release; vfd->debug = bttv_debug; video_set_drvdata(vfd, btv); @@ -4289,8 +4289,13 @@ static int __devinit bttv_probe(struct pci_dev *dev, return -ENOMEM; printk(KERN_INFO "bttv: Bt8xx card found (%d).\n", bttv_num); bttvs[bttv_num] = btv = kzalloc(sizeof(*btv), GFP_KERNEL); + if (btv == NULL) { + printk(KERN_ERR "bttv: out of memory.\n"); + return -ENOMEM; + } btv->c.nr = bttv_num; - sprintf(btv->c.name,"bttv%d",btv->c.nr); + snprintf(btv->c.v4l2_dev.name, sizeof(btv->c.v4l2_dev.name), + "bttv%d", btv->c.nr); /* initialize structs / fill in defaults */ mutex_init(&btv->lock); @@ -4327,7 +4332,7 @@ static int __devinit bttv_probe(struct pci_dev *dev, } if (!request_mem_region(pci_resource_start(dev,0), pci_resource_len(dev,0), - btv->c.name)) { + btv->c.v4l2_dev.name)) { printk(KERN_WARNING "bttv%d: can't request iomem (0x%llx).\n", btv->c.nr, (unsigned long long)pci_resource_start(dev,0)); @@ -4335,7 +4340,12 @@ static int __devinit bttv_probe(struct pci_dev *dev, } pci_set_master(dev); pci_set_command(dev); - pci_set_drvdata(dev,btv); + + result = v4l2_device_register(&dev->dev, &btv->c.v4l2_dev); + if (result < 0) { + printk(KERN_WARNING "bttv%d: v4l2_device_register() failed\n", btv->c.nr); + goto fail0; + } pci_read_config_byte(dev, PCI_CLASS_REVISION, &btv->revision); pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); @@ -4359,7 +4369,7 @@ static int __devinit bttv_probe(struct pci_dev *dev, /* disable irqs, register irq handler */ btwrite(0, BT848_INT_MASK); result = request_irq(btv->c.pci->irq, bttv_irq, - IRQF_SHARED | IRQF_DISABLED,btv->c.name,(void *)btv); + IRQF_SHARED | IRQF_DISABLED, btv->c.v4l2_dev.name, (void *)btv); if (result < 0) { printk(KERN_ERR "bttv%d: can't get IRQ %d\n", bttv_num,btv->c.pci->irq); @@ -4443,21 +4453,24 @@ static int __devinit bttv_probe(struct pci_dev *dev, bttv_num++; return 0; - fail2: +fail2: free_irq(btv->c.pci->irq,btv); - fail1: +fail1: + v4l2_device_unregister(&btv->c.v4l2_dev); + +fail0: if (btv->bt848_mmio) iounmap(btv->bt848_mmio); release_mem_region(pci_resource_start(btv->c.pci,0), pci_resource_len(btv->c.pci,0)); - pci_set_drvdata(dev,NULL); return result; } static void __devexit bttv_remove(struct pci_dev *pci_dev) { - struct bttv *btv = pci_get_drvdata(pci_dev); + struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); + struct bttv *btv = to_bttv(v4l2_dev); if (bttv_verbose) printk("bttv%d: unloading\n",btv->c.nr); @@ -4491,7 +4504,7 @@ static void __devexit bttv_remove(struct pci_dev *pci_dev) release_mem_region(pci_resource_start(btv->c.pci,0), pci_resource_len(btv->c.pci,0)); - pci_set_drvdata(pci_dev, NULL); + v4l2_device_unregister(&btv->c.v4l2_dev); bttvs[btv->c.nr] = NULL; kfree(btv); @@ -4501,7 +4514,8 @@ static void __devexit bttv_remove(struct pci_dev *pci_dev) #ifdef CONFIG_PM static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state) { - struct bttv *btv = pci_get_drvdata(pci_dev); + struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); + struct bttv *btv = to_bttv(v4l2_dev); struct bttv_buffer_set idle; unsigned long flags; @@ -4536,7 +4550,8 @@ static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state) static int bttv_resume(struct pci_dev *pci_dev) { - struct bttv *btv = pci_get_drvdata(pci_dev); + struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); + struct bttv *btv = to_bttv(v4l2_dev); unsigned long flags; int err; diff --git a/drivers/media/video/bt8xx/bttv-i2c.c b/drivers/media/video/bt8xx/bttv-i2c.c index 511d2bf176f..9b66c5b0932 100644 --- a/drivers/media/video/bt8xx/bttv-i2c.c +++ b/drivers/media/video/bt8xx/bttv-i2c.c @@ -231,7 +231,8 @@ bttv_i2c_readbytes(struct bttv *btv, const struct i2c_msg *msg, int last) static int bttv_i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num) { - struct bttv *btv = i2c_get_adapdata(i2c_adap); + struct v4l2_device *v4l2_dev = i2c_get_adapdata(i2c_adap); + struct bttv *btv = to_bttv(v4l2_dev); int retval = 0; int i; @@ -267,7 +268,8 @@ static const struct i2c_algorithm bttv_algo = { static int attach_inform(struct i2c_client *client) { - struct bttv *btv = i2c_get_adapdata(client->adapter); + struct v4l2_device *v4l2_dev = i2c_get_adapdata(client->adapter); + struct bttv *btv = to_bttv(v4l2_dev); int addr=ADDR_UNSET; @@ -423,7 +425,7 @@ int __devinit init_bttv_i2c(struct bttv *btv) "bt%d #%d [%s]", btv->id, btv->c.nr, btv->use_i2c_hw ? "hw" : "sw"); - i2c_set_adapdata(&btv->c.i2c_adap, btv); + i2c_set_adapdata(&btv->c.i2c_adap, &btv->c.v4l2_dev); btv->i2c_client.adapter = &btv->c.i2c_adap; if (bttv_tvcards[btv->c.type].no_video) @@ -439,7 +441,7 @@ int __devinit init_bttv_i2c(struct bttv *btv) btv->i2c_rc = i2c_bit_add_bus(&btv->c.i2c_adap); } if (0 == btv->i2c_rc && i2c_scan) - do_i2c_scan(btv->c.name,&btv->i2c_client); + do_i2c_scan(btv->c.v4l2_dev.name, &btv->i2c_client); return btv->i2c_rc; } diff --git a/drivers/media/video/bt8xx/bttv.h b/drivers/media/video/bt8xx/bttv.h index e08719b378b..85b0e3e9d38 100644 --- a/drivers/media/video/bt8xx/bttv.h +++ b/drivers/media/video/bt8xx/bttv.h @@ -16,6 +16,7 @@ #include #include +#include #include #include #include @@ -196,6 +197,7 @@ struct bttv_core { /* device structs */ + struct v4l2_device v4l2_dev; struct pci_dev *pci; struct i2c_adapter i2c_adap; struct list_head subs; /* struct bttv_sub_device */ @@ -203,7 +205,6 @@ struct bttv_core { /* device config */ unsigned int nr; /* dev nr (for printk("bttv%d: ..."); */ unsigned int type; /* card type (pointer into tvcards[]) */ - char name[8]; /* dev name */ }; struct bttv; diff --git a/drivers/media/video/bt8xx/bttvp.h b/drivers/media/video/bt8xx/bttvp.h index 2c0a2cc61d0..5755b407c0a 100644 --- a/drivers/media/video/bt8xx/bttvp.h +++ b/drivers/media/video/bt8xx/bttvp.h @@ -458,6 +458,11 @@ struct bttv { __s32 crop_start; }; +static inline struct bttv *to_bttv(struct v4l2_device *v4l2_dev) +{ + return container_of(v4l2_dev, struct bttv, c.v4l2_dev); +} + /* our devices */ #define BTTV_MAX 32 extern unsigned int bttv_num;