X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmedia%2Fcommon%2Fsaa7146_fops.c;h=d867a6a9e43065335894bf93da8f00bc74a46c67;hb=refs%2Fheads%2Fvserver;hp=cb826c9adfe7e60124547528f8da72154bbca548;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c index cb826c9ad..d867a6a9e 100644 --- a/drivers/media/common/saa7146_fops.c +++ b/drivers/media/common/saa7146_fops.c @@ -1,7 +1,6 @@ #include -#include -#define BOARD_CAN_DO_VBI(dev) (dev->revision != 0 && dev->vv_data->vbi_minor != -1) +#define BOARD_CAN_DO_VBI(dev) (dev->revision != 0 && dev->vv_data->vbi_minor != -1) /****************************************************************************/ /* resource management functions, shamelessly stolen from saa7134 driver */ @@ -18,18 +17,18 @@ int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit) } /* is it free? */ - down(&dev->lock); + mutex_lock(&dev->lock); if (vv->resources & bit) { DEB_D(("locked! vv->resources:0x%02x, we want:0x%02x\n",vv->resources,bit)); /* no, someone else uses it */ - up(&dev->lock); + mutex_unlock(&dev->lock); return 0; } /* it's free, grab it */ fh->resources |= bit; vv->resources |= bit; DEB_D(("res: get 0x%02x, cur:0x%02x\n",bit,vv->resources)); - up(&dev->lock); + mutex_unlock(&dev->lock); return 1; } @@ -38,29 +37,28 @@ void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits) struct saa7146_dev *dev = fh->dev; struct saa7146_vv *vv = dev->vv_data; - if ((fh->resources & bits) != bits) - BUG(); + BUG_ON((fh->resources & bits) != bits); - down(&dev->lock); + mutex_lock(&dev->lock); fh->resources &= ~bits; vv->resources &= ~bits; DEB_D(("res: put 0x%02x, cur:0x%02x\n",bits,vv->resources)); - up(&dev->lock); + mutex_unlock(&dev->lock); } /********************************************************************************/ /* common dma functions */ -void saa7146_dma_free(struct saa7146_dev *dev,struct saa7146_buf *buf) +void saa7146_dma_free(struct saa7146_dev *dev,struct videobuf_queue *q, + struct saa7146_buf *buf) { DEB_EE(("dev:%p, buf:%p\n",dev,buf)); - if (in_interrupt()) - BUG(); + BUG_ON(in_interrupt()); videobuf_waiton(&buf->vb,0,0); - videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma); + videobuf_dma_unmap(q, &buf->vb.dma); videobuf_dma_free(&buf->vb.dma); buf->vb.state = STATE_NEEDS_INIT; } @@ -103,9 +101,9 @@ void saa7146_buffer_finish(struct saa7146_dev *dev, /* finish current buffer */ if (NULL == q->curr) { DEB_D(("aiii. no current buffer\n")); - return; + return; } - + q->curr->vb.state = state; do_gettimeofday(&q->curr->vb.ts); wake_up(&q->curr->vb.done); @@ -144,13 +142,13 @@ void saa7146_buffer_next(struct saa7146_dev *dev, // fixme: fix this for vflip != 0 saa7146_write(dev, PROT_ADDR1, 0); - saa7146_write(dev, MC2, (MASK_02|MASK_18)); + saa7146_write(dev, MC2, (MASK_02|MASK_18)); /* write the address of the rps-program */ saa7146_write(dev, RPS_ADDR0, dev->d_rps0.dma_handle); /* turn on rps */ saa7146_write(dev, MC1, (MASK_12 | MASK_28)); - + /* printk("vdma%d.base_even: 0x%08x\n", 1,saa7146_read(dev,BASE_EVEN1)); printk("vdma%d.base_odd: 0x%08x\n", 1,saa7146_read(dev,BASE_ODD1)); @@ -205,7 +203,7 @@ static int fops_open(struct inode *inode, struct file *file) DEB_EE(("inode:%p, file:%p, minor:%d\n",inode,file,minor)); - if (down_interruptible(&saa7146_devices_lock)) + if (mutex_lock_interruptible(&saa7146_devices_lock)) return -ERESTARTSYS; list_for_each(list,&saa7146_devices) { @@ -240,21 +238,23 @@ static int fops_open(struct inode *inode, struct file *file) } /* allocate per open data */ - fh = kmalloc(sizeof(*fh),GFP_KERNEL); + fh = kzalloc(sizeof(*fh),GFP_KERNEL); if (NULL == fh) { DEB_S(("cannot allocate memory for per open data.\n")); result = -ENOMEM; goto out; } - memset(fh,0,sizeof(*fh)); - + file->private_data = fh; fh->dev = dev; fh->type = type; if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { DEB_S(("initializing vbi...\n")); - result = saa7146_vbi_uops.open(dev,file); + if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE) + result = saa7146_vbi_uops.open(dev,file); + if (dev->ext_vv_data->vbi_fops.open) + dev->ext_vv_data->vbi_fops.open(inode, file); } else { DEB_S(("initializing video...\n")); result = saa7146_video_uops.open(dev,file); @@ -275,8 +275,8 @@ out: kfree(fh); file->private_data = NULL; } - up(&saa7146_devices_lock); - return result; + mutex_unlock(&saa7146_devices_lock); + return result; } static int fops_release(struct inode *inode, struct file *file) @@ -286,11 +286,14 @@ static int fops_release(struct inode *inode, struct file *file) DEB_EE(("inode:%p, file:%p\n",inode,file)); - if (down_interruptible(&saa7146_devices_lock)) + if (mutex_lock_interruptible(&saa7146_devices_lock)) return -ERESTARTSYS; if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { - saa7146_vbi_uops.release(dev,file); + if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE) + saa7146_vbi_uops.release(dev,file); + if (dev->ext_vv_data->vbi_fops.release) + dev->ext_vv_data->vbi_fops.release(inode, file); } else { saa7146_video_uops.release(dev,file); } @@ -299,7 +302,7 @@ static int fops_release(struct inode *inode, struct file *file) file->private_data = NULL; kfree(fh); - up(&saa7146_devices_lock); + mutex_unlock(&saa7146_devices_lock); return 0; } @@ -333,6 +336,7 @@ static int fops_mmap(struct file *file, struct vm_area_struct * vma) BUG(); return 0; } + return videobuf_mmap_mapper(q,vma); } @@ -382,7 +386,10 @@ static ssize_t fops_read(struct file *file, char __user *data, size_t count, lof } case V4L2_BUF_TYPE_VBI_CAPTURE: { // DEB_EE(("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, data:%p, count:%lu\n", file, data, (unsigned long)count)); - return saa7146_vbi_uops.read(file,data,count,ppos); + if (fh->dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE) + return saa7146_vbi_uops.read(file,data,count,ppos); + else + return -EINVAL; } break; default: @@ -391,22 +398,41 @@ static ssize_t fops_read(struct file *file, char __user *data, size_t count, lof } } +static ssize_t fops_write(struct file *file, const char __user *data, size_t count, loff_t *ppos) +{ + struct saa7146_fh *fh = file->private_data; + + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + return -EINVAL; + case V4L2_BUF_TYPE_VBI_CAPTURE: + if (fh->dev->ext_vv_data->vbi_fops.write) + return fh->dev->ext_vv_data->vbi_fops.write(file, data, count, ppos); + else + return -EINVAL; + default: + BUG(); + return -EINVAL; + } +} + static struct file_operations video_fops = { .owner = THIS_MODULE, .open = fops_open, .release = fops_release, .read = fops_read, + .write = fops_write, .poll = fops_poll, .mmap = fops_mmap, .ioctl = fops_ioctl, .llseek = no_llseek, }; -void vv_callback(struct saa7146_dev *dev, unsigned long status) +static void vv_callback(struct saa7146_dev *dev, unsigned long status) { u32 isr = status; - + DEB_INT(("dev:%p, isr:0x%08x\n",dev,(u32)status)); if (0 != (isr & (MASK_27))) { @@ -429,19 +455,17 @@ void vv_callback(struct saa7146_dev *dev, unsigned long status) static struct video_device device_template = { - .hardware = VID_HARDWARE_SAA7146, .fops = &video_fops, .minor = -1, }; int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) { - struct saa7146_vv *vv = kmalloc (sizeof(struct saa7146_vv),GFP_KERNEL); + struct saa7146_vv *vv = kzalloc (sizeof(struct saa7146_vv),GFP_KERNEL); if( NULL == vv ) { ERR(("out of memory. aborting.\n")); return -1; } - memset(vv, 0x0, sizeof(*vv)); DEB_EE(("dev:%p\n",dev)); @@ -455,11 +479,11 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) handle different devices that might need different configuration data) */ dev->ext_vv_data = ext_vv; - + vv->video_minor = -1; vv->vbi_minor = -1; - vv->d_clipping.cpu_addr = pci_alloc_consistent(dev->pci, SAA7146_CLIPPING_MEM, &vv->d_clipping.dma_handle); + vv->d_clipping.cpu_addr = pci_alloc_consistent(dev->pci, SAA7146_CLIPPING_MEM, &vv->d_clipping.dma_handle); if( NULL == vv->d_clipping.cpu_addr ) { ERR(("out of memory. aborting.\n")); kfree(vv); @@ -468,27 +492,30 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) memset(vv->d_clipping.cpu_addr, 0x0, SAA7146_CLIPPING_MEM); saa7146_video_uops.init(dev,vv); - saa7146_vbi_uops.init(dev,vv); - + if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE) + saa7146_vbi_uops.init(dev,vv); + dev->vv_data = vv; dev->vv_callback = &vv_callback; return 0; } +EXPORT_SYMBOL_GPL(saa7146_vv_init); int saa7146_vv_release(struct saa7146_dev* dev) { struct saa7146_vv *vv = dev->vv_data; DEB_EE(("dev:%p\n",dev)); - + pci_free_consistent(dev->pci, SAA7146_RPS_MEM, vv->d_clipping.cpu_addr, vv->d_clipping.dma_handle); - kfree(vv); + kfree(vv); dev->vv_data = NULL; dev->vv_callback = NULL; - + return 0; } +EXPORT_SYMBOL_GPL(saa7146_vv_release); int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev, char *name, int type) @@ -499,7 +526,7 @@ int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev, DEB_EE(("dev:%p, name:'%s', type:%d\n",dev,name,type)); // released by vfd->release - vfd = video_device_alloc(); + vfd = video_device_alloc(); if (vfd == NULL) return -ENOMEM; @@ -527,11 +554,12 @@ int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev, *vid = vfd; return 0; } +EXPORT_SYMBOL_GPL(saa7146_register_device); int saa7146_unregister_device(struct video_device **vid, struct saa7146_dev* dev) { struct saa7146_vv *vv = dev->vv_data; - + DEB_EE(("dev:%p\n",dev)); if( VFL_TYPE_GRABBER == (*vid)->type ) { @@ -545,6 +573,7 @@ int saa7146_unregister_device(struct video_device **vid, struct saa7146_dev* dev return 0; } +EXPORT_SYMBOL_GPL(saa7146_unregister_device); static int __init saa7146_vv_init_module(void) {