diff options
Diffstat (limited to 'drivers/media/platform/davinci/vpif_display.c')
| -rw-r--r-- | drivers/media/platform/davinci/vpif_display.c | 1206 |
1 files changed, 358 insertions, 848 deletions
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index aed41edd0501..5bb085b19bcb 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -3,6 +3,7 @@ * Display driver for TI DaVinci VPIF * * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright (C) 2014 Lad, Prabhakar <prabhakar.csengg@gmail.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -35,129 +36,110 @@ MODULE_VERSION(VPIF_DISPLAY_VERSION); v4l2_dbg(level, debug, &vpif_obj.v4l2_dev, fmt, ## arg) static int debug = 1; -static u32 ch2_numbuffers = 3; -static u32 ch3_numbuffers = 3; -static u32 ch2_bufsize = 1920 * 1080 * 2; -static u32 ch3_bufsize = 720 * 576 * 2; module_param(debug, int, 0644); -module_param(ch2_numbuffers, uint, S_IRUGO); -module_param(ch3_numbuffers, uint, S_IRUGO); -module_param(ch2_bufsize, uint, S_IRUGO); -module_param(ch3_bufsize, uint, S_IRUGO); MODULE_PARM_DESC(debug, "Debug level 0-1"); -MODULE_PARM_DESC(ch2_numbuffers, "Channel2 buffer count (default:3)"); -MODULE_PARM_DESC(ch3_numbuffers, "Channel3 buffer count (default:3)"); -MODULE_PARM_DESC(ch2_bufsize, "Channel2 buffer size (default:1920 x 1080 x 2)"); -MODULE_PARM_DESC(ch3_bufsize, "Channel3 buffer size (default:720 x 576 x 2)"); - -static struct vpif_config_params config_params = { - .min_numbuffers = 3, - .numbuffers[0] = 3, - .numbuffers[1] = 3, - .min_bufsize[0] = 720 * 480 * 2, - .min_bufsize[1] = 720 * 480 * 2, - .channel_bufsize[0] = 1920 * 1080 * 2, - .channel_bufsize[1] = 720 * 576 * 2, -}; + +#define VPIF_DRIVER_NAME "vpif_display" + +/* Is set to 1 in case of SDTV formats, 2 in case of HDTV formats. */ +static int ycmux_mode; + +static u8 channel_first_int[VPIF_NUMOBJECTS][2] = { {1, 1} }; static struct vpif_device vpif_obj = { {NULL} }; static struct device *vpif_dev; static void vpif_calculate_offsets(struct channel_obj *ch); static void vpif_config_addr(struct channel_obj *ch, int muxmode); -/* - * buffer_prepare: This is the callback function called from vb2_qbuf() - * function the buffer is prepared and user space virtual address is converted - * into physical address +static inline struct vpif_disp_buffer *to_vpif_buffer(struct vb2_buffer *vb) +{ + return container_of(vb, struct vpif_disp_buffer, vb); +} + +/** + * vpif_buffer_prepare : callback function for buffer prepare + * @vb: ptr to vb2_buffer + * + * This is the callback function for buffer prepare when vb2_qbuf() + * function is called. The buffer is prepared and user space virtual address + * or user address is converted into physical address */ static int vpif_buffer_prepare(struct vb2_buffer *vb) { - struct vpif_fh *fh = vb2_get_drv_priv(vb->vb2_queue); - struct vb2_queue *q = vb->vb2_queue; + struct channel_obj *ch = vb2_get_drv_priv(vb->vb2_queue); struct common_obj *common; - unsigned long addr; - - common = &fh->channel->common[VPIF_VIDEO_INDEX]; - if (vb->state != VB2_BUF_STATE_ACTIVE && - vb->state != VB2_BUF_STATE_PREPARED) { - vb2_set_plane_payload(vb, 0, common->fmt.fmt.pix.sizeimage); - if (vb2_plane_vaddr(vb, 0) && - vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) - goto buf_align_exit; - - addr = vb2_dma_contig_plane_dma_addr(vb, 0); - if (q->streaming && - (V4L2_BUF_TYPE_SLICED_VBI_OUTPUT != q->type)) { - if (!ISALIGNED(addr + common->ytop_off) || + + common = &ch->common[VPIF_VIDEO_INDEX]; + + vb2_set_plane_payload(vb, 0, common->fmt.fmt.pix.sizeimage); + if (vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) + return -EINVAL; + + vb->v4l2_buf.field = common->fmt.fmt.pix.field; + + if (vb->vb2_queue->type != V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) { + unsigned long addr = vb2_dma_contig_plane_dma_addr(vb, 0); + + if (!ISALIGNED(addr + common->ytop_off) || !ISALIGNED(addr + common->ybtm_off) || !ISALIGNED(addr + common->ctop_off) || - !ISALIGNED(addr + common->cbtm_off)) - goto buf_align_exit; + !ISALIGNED(addr + common->cbtm_off)) { + vpif_err("buffer offset not aligned to 8 bytes\n"); + return -EINVAL; } } - return 0; -buf_align_exit: - vpif_err("buffer offset not aligned to 8 bytes\n"); - return -EINVAL; + return 0; } -/* - * vpif_buffer_queue_setup: This function allocates memory for the buffers +/** + * vpif_buffer_queue_setup : Callback function for buffer setup. + * @vq: vb2_queue ptr + * @fmt: v4l2 format + * @nbuffers: ptr to number of buffers requested by application + * @nplanes:: contains number of distinct video planes needed to hold a frame + * @sizes[]: contains the size (in bytes) of each plane. + * @alloc_ctxs: ptr to allocation context + * + * This callback function is called when reqbuf() is called to adjust + * the buffer count and buffer size */ static int vpif_buffer_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - struct vpif_fh *fh = vb2_get_drv_priv(vq); - struct channel_obj *ch = fh->channel; + struct channel_obj *ch = vb2_get_drv_priv(vq); struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - unsigned long size; - - if (V4L2_MEMORY_MMAP == common->memory) { - size = config_params.channel_bufsize[ch->channel_id]; - /* - * Checking if the buffer size exceeds the available buffer - * ycmux_mode = 0 means 1 channel mode HD and - * ycmux_mode = 1 means 2 channels mode SD - */ - if (ch->vpifparams.std_info.ycmux_mode == 0) { - if (config_params.video_limit[ch->channel_id]) - while (size * *nbuffers > - (config_params.video_limit[0] - + config_params.video_limit[1])) - (*nbuffers)--; - } else { - if (config_params.video_limit[ch->channel_id]) - while (size * *nbuffers > - config_params.video_limit[ch->channel_id]) - (*nbuffers)--; - } - } else { - size = common->fmt.fmt.pix.sizeimage; - } - if (*nbuffers < config_params.min_numbuffers) - *nbuffers = config_params.min_numbuffers; + if (fmt && fmt->fmt.pix.sizeimage < common->fmt.fmt.pix.sizeimage) + return -EINVAL; + + if (vq->num_buffers + *nbuffers < 3) + *nbuffers = 3 - vq->num_buffers; *nplanes = 1; - sizes[0] = size; + sizes[0] = fmt ? fmt->fmt.pix.sizeimage : common->fmt.fmt.pix.sizeimage; alloc_ctxs[0] = common->alloc_ctx; + + /* Calculate the offset for Y and C data in the buffer */ + vpif_calculate_offsets(ch); + return 0; } -/* - * vpif_buffer_queue: This function adds the buffer to DMA queue +/** + * vpif_buffer_queue : Callback function to add buffer to DMA queue + * @vb: ptr to vb2_buffer + * + * This callback fucntion queues the buffer to DMA engine */ static void vpif_buffer_queue(struct vb2_buffer *vb) { - struct vpif_fh *fh = vb2_get_drv_priv(vb->vb2_queue); - struct vpif_disp_buffer *buf = container_of(vb, - struct vpif_disp_buffer, vb); - struct channel_obj *ch = fh->channel; + struct vpif_disp_buffer *buf = to_vpif_buffer(vb); + struct channel_obj *ch = vb2_get_drv_priv(vb->vb2_queue); struct common_obj *common; unsigned long flags; @@ -169,98 +151,26 @@ static void vpif_buffer_queue(struct vb2_buffer *vb) spin_unlock_irqrestore(&common->irqlock, flags); } -/* - * vpif_buf_cleanup: This function is called from the videobuf2 layer to - * free memory allocated to the buffers +/** + * vpif_start_streaming : Starts the DMA engine for streaming + * @vb: ptr to vb2_buffer + * @count: number of buffers */ -static void vpif_buf_cleanup(struct vb2_buffer *vb) -{ - struct vpif_fh *fh = vb2_get_drv_priv(vb->vb2_queue); - struct vpif_disp_buffer *buf = container_of(vb, - struct vpif_disp_buffer, vb); - struct channel_obj *ch = fh->channel; - struct common_obj *common; - unsigned long flags; - - common = &ch->common[VPIF_VIDEO_INDEX]; - - spin_lock_irqsave(&common->irqlock, flags); - if (vb->state == VB2_BUF_STATE_ACTIVE) - list_del_init(&buf->list); - spin_unlock_irqrestore(&common->irqlock, flags); -} - -static void vpif_wait_prepare(struct vb2_queue *vq) -{ - struct vpif_fh *fh = vb2_get_drv_priv(vq); - struct channel_obj *ch = fh->channel; - struct common_obj *common; - - common = &ch->common[VPIF_VIDEO_INDEX]; - mutex_unlock(&common->lock); -} - -static void vpif_wait_finish(struct vb2_queue *vq) -{ - struct vpif_fh *fh = vb2_get_drv_priv(vq); - struct channel_obj *ch = fh->channel; - struct common_obj *common; - - common = &ch->common[VPIF_VIDEO_INDEX]; - mutex_lock(&common->lock); -} - -static int vpif_buffer_init(struct vb2_buffer *vb) -{ - struct vpif_disp_buffer *buf = container_of(vb, - struct vpif_disp_buffer, vb); - - INIT_LIST_HEAD(&buf->list); - - return 0; -} - -static u8 channel_first_int[VPIF_NUMOBJECTS][2] = { {1, 1} }; - static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) { struct vpif_display_config *vpif_config_data = vpif_dev->platform_data; - struct vpif_fh *fh = vb2_get_drv_priv(vq); - struct channel_obj *ch = fh->channel; + struct channel_obj *ch = vb2_get_drv_priv(vq); struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; struct vpif_params *vpif = &ch->vpifparams; - unsigned long addr = 0; - unsigned long flags; + struct vpif_disp_buffer *buf, *tmp; + unsigned long addr, flags; int ret; spin_lock_irqsave(&common->irqlock, flags); - /* Get the next frame from the buffer queue */ - common->next_frm = common->cur_frm = - list_entry(common->dma_queue.next, - struct vpif_disp_buffer, list); - - list_del(&common->cur_frm->list); - spin_unlock_irqrestore(&common->irqlock, flags); - /* Mark state of the current frame to active */ - common->cur_frm->vb.state = VB2_BUF_STATE_ACTIVE; - - /* Initialize field_id and started member */ + /* Initialize field_id */ ch->field_id = 0; - common->started = 1; - addr = vb2_dma_contig_plane_dma_addr(&common->cur_frm->vb, 0); - /* Calculate the offset for Y and C data in the buffer */ - vpif_calculate_offsets(ch); - - if ((ch->vpifparams.std_info.frm_fmt && - ((common->fmt.fmt.pix.field != V4L2_FIELD_NONE) - && (common->fmt.fmt.pix.field != V4L2_FIELD_ANY))) - || (!ch->vpifparams.std_info.frm_fmt - && (common->fmt.fmt.pix.field == V4L2_FIELD_NONE))) { - vpif_err("conflict in field format and std format\n"); - return -EINVAL; - } /* clock settings */ if (vpif_config_data->set_clock) { @@ -268,24 +178,37 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) ycmux_mode, ch->vpifparams.std_info.hd_sd); if (ret < 0) { vpif_err("can't set clock\n"); - return ret; + goto err; } } /* set the parameters and addresses */ ret = vpif_set_video_params(vpif, ch->channel_id + 2); if (ret < 0) - return ret; + goto err; - common->started = ret; + ycmux_mode = ret; vpif_config_addr(ch, ret); + /* Get the next frame from the buffer queue */ + common->next_frm = common->cur_frm = + list_entry(common->dma_queue.next, + struct vpif_disp_buffer, list); + + list_del(&common->cur_frm->list); + spin_unlock_irqrestore(&common->irqlock, flags); + /* Mark state of the current frame to active */ + common->cur_frm->vb.state = VB2_BUF_STATE_ACTIVE; + + addr = vb2_dma_contig_plane_dma_addr(&common->cur_frm->vb, 0); common->set_addr((addr + common->ytop_off), (addr + common->ybtm_off), (addr + common->ctop_off), (addr + common->cbtm_off)); - /* Set interrupt for both the fields in VPIF - Register enable channel in VPIF register */ + /* + * Set interrupt for both the fields in VPIF + * Register enable channel in VPIF register + */ channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1; if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { channel2_intr_assert(); @@ -295,8 +218,7 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) channel2_clipping_enable(1); } - if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) - || (common->started == 2)) { + if (VPIF_CHANNEL3_VIDEO == ch->channel_id || ycmux_mode == 2) { channel3_intr_assert(); channel3_intr_enable(1); enable_channel3(1); @@ -305,19 +227,29 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) } return 0; + +err: + list_for_each_entry_safe(buf, tmp, &common->dma_queue, list) { + list_del(&buf->list); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED); + } + + return ret; } -/* abort streaming and wait for last buffer */ -static int vpif_stop_streaming(struct vb2_queue *vq) +/** + * vpif_stop_streaming : Stop the DMA engine + * @vq: ptr to vb2_queue + * + * This callback stops the DMA engine and any remaining buffers + * in the DMA queue are released. + */ +static void vpif_stop_streaming(struct vb2_queue *vq) { - struct vpif_fh *fh = vb2_get_drv_priv(vq); - struct channel_obj *ch = fh->channel; + struct channel_obj *ch = vb2_get_drv_priv(vq); struct common_obj *common; unsigned long flags; - if (!vb2_is_streaming(vq)) - return 0; - common = &ch->common[VPIF_VIDEO_INDEX]; /* Disable channel */ @@ -325,12 +257,10 @@ static int vpif_stop_streaming(struct vb2_queue *vq) enable_channel2(0); channel2_intr_enable(0); } - if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) || - (2 == common->started)) { + if (VPIF_CHANNEL3_VIDEO == ch->channel_id || ycmux_mode == 2) { enable_channel3(0); channel3_intr_enable(0); } - common->started = 0; /* release all active buffers */ spin_lock_irqsave(&common->irqlock, flags); @@ -352,19 +282,15 @@ static int vpif_stop_streaming(struct vb2_queue *vq) vb2_buffer_done(&common->next_frm->vb, VB2_BUF_STATE_ERROR); } spin_unlock_irqrestore(&common->irqlock, flags); - - return 0; } static struct vb2_ops video_qops = { .queue_setup = vpif_buffer_queue_setup, - .wait_prepare = vpif_wait_prepare, - .wait_finish = vpif_wait_finish, - .buf_init = vpif_buffer_init, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, .buf_prepare = vpif_buffer_prepare, .start_streaming = vpif_start_streaming, .stop_streaming = vpif_stop_streaming, - .buf_cleanup = vpif_buf_cleanup, .buf_queue = vpif_buffer_queue, }; @@ -446,8 +372,6 @@ static irqreturn_t vpif_channel_isr(int irq, void *dev_id) for (i = 0; i < VPIF_NUMOBJECTS; i++) { common = &ch->common[i]; /* If streaming is started in this channel */ - if (0 == common->started) - continue; if (1 == ch->vpifparams.std_info.frm_fmt) { spin_lock(&common->irqlock); @@ -543,6 +467,7 @@ static int vpif_update_resolution(struct channel_obj *ch) return -EINVAL; } + common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; common->fmt.fmt.pix.width = std_info->width; common->fmt.fmt.pix.height = std_info->height; vpif_dbg(1, debug, "Pixel details: Width = %d,Height = %d\n", @@ -551,6 +476,17 @@ static int vpif_update_resolution(struct channel_obj *ch) /* Set height and width paramateres */ common->height = std_info->height; common->width = std_info->width; + common->fmt.fmt.pix.sizeimage = common->height * common->width * 2; + + if (vid_ch->stdid) + common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + else + common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_REC709; + + if (ch->vpifparams.std_info.frm_fmt) + common->fmt.fmt.pix.field = V4L2_FIELD_NONE; + else + common->fmt.fmt.pix.field = V4L2_FIELD_INTERLACED; return 0; } @@ -621,70 +557,6 @@ static void vpif_calculate_offsets(struct channel_obj *ch) ch->vpifparams.video_params.stdid = ch->vpifparams.std_info.stdid; } -static void vpif_config_format(struct channel_obj *ch) -{ - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - - common->fmt.fmt.pix.field = V4L2_FIELD_ANY; - if (config_params.numbuffers[ch->channel_id] == 0) - common->memory = V4L2_MEMORY_USERPTR; - else - common->memory = V4L2_MEMORY_MMAP; - - common->fmt.fmt.pix.sizeimage = - config_params.channel_bufsize[ch->channel_id]; - common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; - common->fmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; -} - -static int vpif_check_format(struct channel_obj *ch, - struct v4l2_pix_format *pixfmt) -{ - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - enum v4l2_field field = pixfmt->field; - u32 sizeimage, hpitch, vpitch; - - if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P) - goto invalid_fmt_exit; - - if (!(VPIF_VALID_FIELD(field))) - goto invalid_fmt_exit; - - if (pixfmt->bytesperline <= 0) - goto invalid_pitch_exit; - - sizeimage = pixfmt->sizeimage; - - if (vpif_update_resolution(ch)) - return -EINVAL; - - hpitch = pixfmt->bytesperline; - vpitch = sizeimage / (hpitch * 2); - - /* Check for valid value of pitch */ - if ((hpitch < ch->vpifparams.std_info.width) || - (vpitch < ch->vpifparams.std_info.height)) - goto invalid_pitch_exit; - - /* Check for 8 byte alignment */ - if (!ISALIGNED(hpitch)) { - vpif_err("invalid pitch alignment\n"); - return -EINVAL; - } - pixfmt->width = common->fmt.fmt.pix.width; - pixfmt->height = common->fmt.fmt.pix.height; - - return 0; - -invalid_fmt_exit: - vpif_err("invalid field format\n"); - return -EINVAL; - -invalid_pitch_exit: - vpif_err("invalid pitch\n"); - return -EINVAL; -} - static void vpif_config_addr(struct channel_obj *ch, int muxmode) { struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; @@ -699,127 +571,6 @@ static void vpif_config_addr(struct channel_obj *ch, int muxmode) } } -/* - * vpif_mmap: It is used to map kernel space buffers into user spaces - */ -static int vpif_mmap(struct file *filep, struct vm_area_struct *vma) -{ - struct vpif_fh *fh = filep->private_data; - struct channel_obj *ch = fh->channel; - struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]); - int ret; - - vpif_dbg(2, debug, "vpif_mmap\n"); - - if (mutex_lock_interruptible(&common->lock)) - return -ERESTARTSYS; - ret = vb2_mmap(&common->buffer_queue, vma); - mutex_unlock(&common->lock); - return ret; -} - -/* - * vpif_poll: It is used for select/poll system call - */ -static unsigned int vpif_poll(struct file *filep, poll_table *wait) -{ - struct vpif_fh *fh = filep->private_data; - struct channel_obj *ch = fh->channel; - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - unsigned int res = 0; - - if (common->started) { - mutex_lock(&common->lock); - res = vb2_poll(&common->buffer_queue, filep, wait); - mutex_unlock(&common->lock); - } - - return res; -} - -/* - * vpif_open: It creates object of file handle structure and stores it in - * private_data member of filepointer - */ -static int vpif_open(struct file *filep) -{ - struct video_device *vdev = video_devdata(filep); - struct channel_obj *ch = video_get_drvdata(vdev); - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - struct vpif_fh *fh; - - /* Allocate memory for the file handle object */ - fh = kzalloc(sizeof(struct vpif_fh), GFP_KERNEL); - if (fh == NULL) { - vpif_err("unable to allocate memory for file handle object\n"); - return -ENOMEM; - } - - if (mutex_lock_interruptible(&common->lock)) { - kfree(fh); - return -ERESTARTSYS; - } - /* store pointer to fh in private_data member of filep */ - filep->private_data = fh; - fh->channel = ch; - fh->initialized = 0; - if (!ch->initialized) { - fh->initialized = 1; - ch->initialized = 1; - memset(&ch->vpifparams, 0, sizeof(ch->vpifparams)); - } - - /* Increment channel usrs counter */ - atomic_inc(&ch->usrs); - /* Set io_allowed[VPIF_VIDEO_INDEX] member to false */ - fh->io_allowed[VPIF_VIDEO_INDEX] = 0; - /* Initialize priority of this instance to default priority */ - fh->prio = V4L2_PRIORITY_UNSET; - v4l2_prio_open(&ch->prio, &fh->prio); - mutex_unlock(&common->lock); - - return 0; -} - -/* - * vpif_release: This function deletes buffer queue, frees the buffers and - * the vpif file handle - */ -static int vpif_release(struct file *filep) -{ - struct vpif_fh *fh = filep->private_data; - struct channel_obj *ch = fh->channel; - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - - mutex_lock(&common->lock); - /* if this instance is doing IO */ - if (fh->io_allowed[VPIF_VIDEO_INDEX]) { - /* Reset io_usrs member of channel object */ - common->io_usrs = 0; - /* Free buffers allocated */ - vb2_queue_release(&common->buffer_queue); - vb2_dma_contig_cleanup_ctx(common->alloc_ctx); - - common->numbuffers = - config_params.numbuffers[ch->channel_id]; - } - - /* Decrement channel usrs counter */ - atomic_dec(&ch->usrs); - /* If this file handle has initialize encoder device, reset it */ - if (fh->initialized) - ch->initialized = 0; - - /* Close the priority */ - v4l2_prio_close(&ch->prio, fh->prio); - filep->private_data = NULL; - fh->initialized = 0; - mutex_unlock(&common->lock); - kfree(fh); - - return 0; -} - /* functions implementing ioctls */ /** * vpif_querycap() - QUERYCAP handler @@ -834,7 +585,7 @@ static int vpif_querycap(struct file *file, void *priv, cap->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; - snprintf(cap->driver, sizeof(cap->driver), "%s", dev_name(vpif_dev)); + strlcpy(cap->driver, VPIF_DRIVER_NAME, sizeof(cap->driver)); snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", dev_name(vpif_dev)); strlcpy(cap->card, config->card_name, sizeof(cap->card)); @@ -845,24 +596,22 @@ static int vpif_querycap(struct file *file, void *priv, static int vpif_enum_fmt_vid_out(struct file *file, void *priv, struct v4l2_fmtdesc *fmt) { - if (fmt->index != 0) { - vpif_err("Invalid format index\n"); + if (fmt->index != 0) return -EINVAL; - } /* Fill in the information about format */ fmt->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; strcpy(fmt->description, "YCbCr4:2:2 YC Planar"); fmt->pixelformat = V4L2_PIX_FMT_YUV422P; - + fmt->flags = 0; return 0; } static int vpif_g_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *fmt) { - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; + struct video_device *vdev = video_devdata(file); + struct channel_obj *ch = video_get_drvdata(vdev); struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; /* Check the validity of the buffer type */ @@ -875,193 +624,84 @@ static int vpif_g_fmt_vid_out(struct file *file, void *priv, return 0; } -static int vpif_s_fmt_vid_out(struct file *file, void *priv, +static int vpif_try_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *fmt) { - struct vpif_fh *fh = priv; - struct v4l2_pix_format *pixfmt; - struct channel_obj *ch = fh->channel; + struct video_device *vdev = video_devdata(file); + struct channel_obj *ch = video_get_drvdata(vdev); struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - int ret = 0; - - if ((VPIF_CHANNEL2_VIDEO == ch->channel_id) - || (VPIF_CHANNEL3_VIDEO == ch->channel_id)) { - if (!fh->initialized) { - vpif_dbg(1, debug, "Channel Busy\n"); - return -EBUSY; - } + struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; - /* Check for the priority */ - ret = v4l2_prio_check(&ch->prio, fh->prio); - if (0 != ret) - return ret; - fh->initialized = 1; - } + /* + * to supress v4l-compliance warnings silently correct + * the pixelformat + */ + if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P) + pixfmt->pixelformat = common->fmt.fmt.pix.pixelformat; - if (common->started) { - vpif_dbg(1, debug, "Streaming in progress\n"); - return -EBUSY; - } + if (vpif_update_resolution(ch)) + return -EINVAL; - pixfmt = &fmt->fmt.pix; - /* Check for valid field format */ - ret = vpif_check_format(ch, pixfmt); - if (ret) - return ret; + pixfmt->colorspace = common->fmt.fmt.pix.colorspace; + pixfmt->field = common->fmt.fmt.pix.field; + pixfmt->bytesperline = common->fmt.fmt.pix.width; + pixfmt->width = common->fmt.fmt.pix.width; + pixfmt->height = common->fmt.fmt.pix.height; + pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height * 2; + pixfmt->priv = 0; - /* store the pix format in the channel object */ - common->fmt.fmt.pix = *pixfmt; - /* store the format in the channel object */ - common->fmt = *fmt; return 0; } -static int vpif_try_fmt_vid_out(struct file *file, void *priv, +static int vpif_s_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *fmt) { - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; + struct video_device *vdev = video_devdata(file); + struct channel_obj *ch = video_get_drvdata(vdev); struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; - int ret = 0; - - ret = vpif_check_format(ch, pixfmt); - if (ret) { - *pixfmt = common->fmt.fmt.pix; - pixfmt->sizeimage = pixfmt->width * pixfmt->height * 2; - } - - return ret; -} - -static int vpif_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *reqbuf) -{ - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; - struct common_obj *common; - enum v4l2_field field; - struct vb2_queue *q; - u8 index = 0; int ret; - /* This file handle has not initialized the channel, - It is not allowed to do settings */ - if ((VPIF_CHANNEL2_VIDEO == ch->channel_id) - || (VPIF_CHANNEL3_VIDEO == ch->channel_id)) { - if (!fh->initialized) { - vpif_err("Channel Busy\n"); - return -EBUSY; - } - } - - if (V4L2_BUF_TYPE_VIDEO_OUTPUT != reqbuf->type) - return -EINVAL; - - index = VPIF_VIDEO_INDEX; - - common = &ch->common[index]; - - if (common->fmt.type != reqbuf->type || !vpif_dev) - return -EINVAL; - if (0 != common->io_usrs) + if (vb2_is_busy(&common->buffer_queue)) return -EBUSY; - if (reqbuf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { - if (common->fmt.fmt.pix.field == V4L2_FIELD_ANY) - field = V4L2_FIELD_INTERLACED; - else - field = common->fmt.fmt.pix.field; - } else { - field = V4L2_VBI_INTERLACED; - } - /* Initialize videobuf2 queue as per the buffer type */ - common->alloc_ctx = vb2_dma_contig_init_ctx(vpif_dev); - if (IS_ERR(common->alloc_ctx)) { - vpif_err("Failed to get the context\n"); - return PTR_ERR(common->alloc_ctx); - } - q = &common->buffer_queue; - q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - q->io_modes = VB2_MMAP | VB2_USERPTR; - q->drv_priv = fh; - q->ops = &video_qops; - q->mem_ops = &vb2_dma_contig_memops; - q->buf_struct_size = sizeof(struct vpif_disp_buffer); - q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - q->min_buffers_needed = 1; - - ret = vb2_queue_init(q); - if (ret) { - vpif_err("vpif_display: vb2_queue_init() failed\n"); - vb2_dma_contig_cleanup_ctx(common->alloc_ctx); + ret = vpif_try_fmt_vid_out(file, priv, fmt); + if (ret) return ret; - } - /* Set io allowed member of file handle to TRUE */ - fh->io_allowed[index] = 1; - /* Increment io usrs member of channel object to 1 */ - common->io_usrs = 1; - /* Store type of memory requested in channel object */ - common->memory = reqbuf->memory; - INIT_LIST_HEAD(&common->dma_queue); - /* Allocate buffers */ - return vb2_reqbufs(&common->buffer_queue, reqbuf); -} - -static int vpif_querybuf(struct file *file, void *priv, - struct v4l2_buffer *tbuf) -{ - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - if (common->fmt.type != tbuf->type) - return -EINVAL; + /* store the pix format in the channel object */ + common->fmt.fmt.pix = *pixfmt; - return vb2_querybuf(&common->buffer_queue, tbuf); + /* store the format in the channel object */ + common->fmt = *fmt; + return 0; } -static int vpif_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) +static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) { - struct vpif_fh *fh = NULL; - struct channel_obj *ch = NULL; - struct common_obj *common = NULL; - - if (!buf || !priv) - return -EINVAL; - - fh = priv; - ch = fh->channel; - if (!ch) - return -EINVAL; + struct vpif_display_config *config = vpif_dev->platform_data; + struct video_device *vdev = video_devdata(file); + struct channel_obj *ch = video_get_drvdata(vdev); + struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; + struct vpif_display_chan_config *chan_cfg; + struct v4l2_output output; + int ret; - common = &(ch->common[VPIF_VIDEO_INDEX]); - if (common->fmt.type != buf->type) - return -EINVAL; + if (config->chan_config[ch->channel_id].outputs == NULL) + return -ENODATA; - if (!fh->io_allowed[VPIF_VIDEO_INDEX]) { - vpif_err("fh->io_allowed\n"); - return -EACCES; - } + chan_cfg = &config->chan_config[ch->channel_id]; + output = chan_cfg->outputs[ch->output_idx].output; + if (output.capabilities != V4L2_OUT_CAP_STD) + return -ENODATA; - return vb2_qbuf(&common->buffer_queue, buf); -} + if (vb2_is_busy(&common->buffer_queue)) + return -EBUSY; -static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) -{ - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - int ret = 0; if (!(std_id & VPIF_V4L2_STD)) return -EINVAL; - if (common->started) { - vpif_err("streaming in progress\n"); - return -EBUSY; - } - /* Call encoder subdevice function to set the standard */ ch->video.stdid = std_id; memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); @@ -1069,16 +709,7 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) if (vpif_update_resolution(ch)) return -EINVAL; - if ((ch->vpifparams.std_info.width * - ch->vpifparams.std_info.height * 2) > - config_params.channel_bufsize[ch->channel_id]) { - vpif_err("invalid std for this size\n"); - return -EINVAL; - } - common->fmt.fmt.pix.bytesperline = common->fmt.fmt.pix.width; - /* Configure the default format information */ - vpif_config_format(ch); ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, s_std_output, std_id); @@ -1087,7 +718,7 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) return ret; } - ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, core, + ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, s_std, std_id); if (ret < 0) vpif_err("Failed to set standard for sub devices\n"); @@ -1096,132 +727,21 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std) { - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; - - *std = ch->video.stdid; - return 0; -} - -static int vpif_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - - return vb2_dqbuf(&common->buffer_queue, p, - (file->f_flags & O_NONBLOCK)); -} - -static int vpif_streamon(struct file *file, void *priv, - enum v4l2_buf_type buftype) -{ - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - struct channel_obj *oth_ch = vpif_obj.dev[!ch->channel_id]; - int ret = 0; - - if (buftype != V4L2_BUF_TYPE_VIDEO_OUTPUT) { - vpif_err("buffer type not supported\n"); - return -EINVAL; - } - - if (!fh->io_allowed[VPIF_VIDEO_INDEX]) { - vpif_err("fh->io_allowed\n"); - return -EACCES; - } - - /* If Streaming is already started, return error */ - if (common->started) { - vpif_err("channel->started\n"); - return -EBUSY; - } - - if ((ch->channel_id == VPIF_CHANNEL2_VIDEO - && oth_ch->common[VPIF_VIDEO_INDEX].started && - ch->vpifparams.std_info.ycmux_mode == 0) - || ((ch->channel_id == VPIF_CHANNEL3_VIDEO) - && (2 == oth_ch->common[VPIF_VIDEO_INDEX].started))) { - vpif_err("other channel is using\n"); - return -EBUSY; - } - - ret = vpif_check_format(ch, &common->fmt.fmt.pix); - if (ret < 0) - return ret; - - /* Call vb2_streamon to start streaming in videobuf2 */ - ret = vb2_streamon(&common->buffer_queue, buftype); - if (ret < 0) { - vpif_err("vb2_streamon\n"); - return ret; - } - - return ret; -} - -static int vpif_streamoff(struct file *file, void *priv, - enum v4l2_buf_type buftype) -{ - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - struct vpif_display_config *vpif_config_data = - vpif_dev->platform_data; - - if (buftype != V4L2_BUF_TYPE_VIDEO_OUTPUT) { - vpif_err("buffer type not supported\n"); - return -EINVAL; - } - - if (!fh->io_allowed[VPIF_VIDEO_INDEX]) { - vpif_err("fh->io_allowed\n"); - return -EACCES; - } - - if (!common->started) { - vpif_err("channel->started\n"); - return -EINVAL; - } - - if (buftype == V4L2_BUF_TYPE_VIDEO_OUTPUT) { - /* disable channel */ - if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { - if (vpif_config_data-> - chan_config[VPIF_CHANNEL2_VIDEO].clip_en) - channel2_clipping_enable(0); - enable_channel2(0); - channel2_intr_enable(0); - } - if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) || - (2 == common->started)) { - if (vpif_config_data-> - chan_config[VPIF_CHANNEL3_VIDEO].clip_en) - channel3_clipping_enable(0); - enable_channel3(0); - channel3_intr_enable(0); - } - } - - common->started = 0; - return vb2_streamoff(&common->buffer_queue, buftype); -} + struct vpif_display_config *config = vpif_dev->platform_data; + struct video_device *vdev = video_devdata(file); + struct channel_obj *ch = video_get_drvdata(vdev); + struct vpif_display_chan_config *chan_cfg; + struct v4l2_output output; -static int vpif_cropcap(struct file *file, void *priv, - struct v4l2_cropcap *crop) -{ - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; - if (V4L2_BUF_TYPE_VIDEO_OUTPUT != crop->type) - return -EINVAL; + if (config->chan_config[ch->channel_id].outputs == NULL) + return -ENODATA; - crop->bounds.left = crop->bounds.top = 0; - crop->defrect.left = crop->defrect.top = 0; - crop->defrect.height = crop->bounds.height = common->height; - crop->defrect.width = crop->bounds.width = common->width; + chan_cfg = &config->chan_config[ch->channel_id]; + output = chan_cfg->outputs[ch->output_idx].output; + if (output.capabilities != V4L2_OUT_CAP_STD) + return -ENODATA; + *std = ch->video.stdid; return 0; } @@ -1230,9 +750,9 @@ static int vpif_enum_output(struct file *file, void *fh, { struct vpif_display_config *config = vpif_dev->platform_data; + struct video_device *vdev = video_devdata(file); + struct channel_obj *ch = video_get_drvdata(vdev); struct vpif_display_chan_config *chan_cfg; - struct vpif_fh *vpif_handler = fh; - struct channel_obj *ch = vpif_handler->channel; chan_cfg = &config->chan_config[ch->channel_id]; if (output->index >= chan_cfg->output_count) { @@ -1326,52 +846,32 @@ static int vpif_set_output(struct vpif_display_config *vpif_cfg, static int vpif_s_output(struct file *file, void *priv, unsigned int i) { struct vpif_display_config *config = vpif_dev->platform_data; + struct video_device *vdev = video_devdata(file); + struct channel_obj *ch = video_get_drvdata(vdev); struct vpif_display_chan_config *chan_cfg; - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; + if (vb2_is_busy(&common->buffer_queue)) + return -EBUSY; + chan_cfg = &config->chan_config[ch->channel_id]; if (i >= chan_cfg->output_count) return -EINVAL; - if (common->started) { - vpif_err("Streaming in progress\n"); - return -EBUSY; - } - return vpif_set_output(config, ch, i); } static int vpif_g_output(struct file *file, void *priv, unsigned int *i) { - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; + struct video_device *vdev = video_devdata(file); + struct channel_obj *ch = video_get_drvdata(vdev); *i = ch->output_idx; return 0; } -static int vpif_g_priority(struct file *file, void *priv, enum v4l2_priority *p) -{ - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; - - *p = v4l2_prio_max(&ch->prio); - - return 0; -} - -static int vpif_s_priority(struct file *file, void *priv, enum v4l2_priority p) -{ - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; - - return v4l2_prio_change(&ch->prio, &fh->prio, p); -} - /** * vpif_enum_dv_timings() - ENUM_DV_TIMINGS handler * @file: file ptr @@ -1382,11 +882,24 @@ static int vpif_enum_dv_timings(struct file *file, void *priv, struct v4l2_enum_dv_timings *timings) { - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; + struct vpif_display_config *config = vpif_dev->platform_data; + struct video_device *vdev = video_devdata(file); + struct channel_obj *ch = video_get_drvdata(vdev); + struct vpif_display_chan_config *chan_cfg; + struct v4l2_output output; int ret; - ret = v4l2_subdev_call(ch->sd, video, enum_dv_timings, timings); + if (config->chan_config[ch->channel_id].outputs == NULL) + return -ENODATA; + + chan_cfg = &config->chan_config[ch->channel_id]; + output = chan_cfg->outputs[ch->output_idx].output; + if (output.capabilities != V4L2_OUT_CAP_DV_TIMINGS) + return -ENODATA; + + timings->pad = 0; + + ret = v4l2_subdev_call(ch->sd, pad, enum_dv_timings, timings); if (ret == -ENOIOCTLCMD || ret == -ENODEV) return -EINVAL; return ret; @@ -1401,14 +914,29 @@ vpif_enum_dv_timings(struct file *file, void *priv, static int vpif_s_dv_timings(struct file *file, void *priv, struct v4l2_dv_timings *timings) { - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; + struct vpif_display_config *config = vpif_dev->platform_data; + struct video_device *vdev = video_devdata(file); + struct channel_obj *ch = video_get_drvdata(vdev); struct vpif_params *vpifparams = &ch->vpifparams; + struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; struct vpif_channel_config_params *std_info = &vpifparams->std_info; struct video_obj *vid_ch = &ch->video; struct v4l2_bt_timings *bt = &vid_ch->dv_timings.bt; + struct vpif_display_chan_config *chan_cfg; + struct v4l2_output output; int ret; + if (config->chan_config[ch->channel_id].outputs == NULL) + return -ENODATA; + + chan_cfg = &config->chan_config[ch->channel_id]; + output = chan_cfg->outputs[ch->output_idx].output; + if (output.capabilities != V4L2_OUT_CAP_DV_TIMINGS) + return -ENODATA; + + if (vb2_is_busy(&common->buffer_queue)) + return -EBUSY; + if (timings->type != V4L2_DV_BT_656_1120) { vpif_dbg(2, debug, "Timing type not defined\n"); return -EINVAL; @@ -1490,13 +1018,27 @@ static int vpif_s_dv_timings(struct file *file, void *priv, static int vpif_g_dv_timings(struct file *file, void *priv, struct v4l2_dv_timings *timings) { - struct vpif_fh *fh = priv; - struct channel_obj *ch = fh->channel; + struct vpif_display_config *config = vpif_dev->platform_data; + struct video_device *vdev = video_devdata(file); + struct channel_obj *ch = video_get_drvdata(vdev); + struct vpif_display_chan_config *chan_cfg; struct video_obj *vid_ch = &ch->video; + struct v4l2_output output; + + if (config->chan_config[ch->channel_id].outputs == NULL) + goto error; + + chan_cfg = &config->chan_config[ch->channel_id]; + output = chan_cfg->outputs[ch->output_idx].output; + + if (output.capabilities != V4L2_OUT_CAP_DV_TIMINGS) + goto error; *timings = vid_ch->dv_timings; return 0; +error: + return -ENODATA; } /* @@ -1516,83 +1058,49 @@ static int vpif_log_status(struct file *filep, void *priv) /* vpif display ioctl operations */ static const struct v4l2_ioctl_ops vpif_ioctl_ops = { - .vidioc_querycap = vpif_querycap, - .vidioc_g_priority = vpif_g_priority, - .vidioc_s_priority = vpif_s_priority, + .vidioc_querycap = vpif_querycap, .vidioc_enum_fmt_vid_out = vpif_enum_fmt_vid_out, - .vidioc_g_fmt_vid_out = vpif_g_fmt_vid_out, - .vidioc_s_fmt_vid_out = vpif_s_fmt_vid_out, - .vidioc_try_fmt_vid_out = vpif_try_fmt_vid_out, - .vidioc_reqbufs = vpif_reqbufs, - .vidioc_querybuf = vpif_querybuf, - .vidioc_qbuf = vpif_qbuf, - .vidioc_dqbuf = vpif_dqbuf, - .vidioc_streamon = vpif_streamon, - .vidioc_streamoff = vpif_streamoff, - .vidioc_s_std = vpif_s_std, + .vidioc_g_fmt_vid_out = vpif_g_fmt_vid_out, + .vidioc_s_fmt_vid_out = vpif_s_fmt_vid_out, + .vidioc_try_fmt_vid_out = vpif_try_fmt_vid_out, + + .vidioc_reqbufs = vb2_ioctl_reqbufs, + .vidioc_create_bufs = vb2_ioctl_create_bufs, + .vidioc_querybuf = vb2_ioctl_querybuf, + .vidioc_qbuf = vb2_ioctl_qbuf, + .vidioc_dqbuf = vb2_ioctl_dqbuf, + .vidioc_expbuf = vb2_ioctl_expbuf, + .vidioc_streamon = vb2_ioctl_streamon, + .vidioc_streamoff = vb2_ioctl_streamoff, + + .vidioc_s_std = vpif_s_std, .vidioc_g_std = vpif_g_std, + .vidioc_enum_output = vpif_enum_output, .vidioc_s_output = vpif_s_output, .vidioc_g_output = vpif_g_output, - .vidioc_cropcap = vpif_cropcap, - .vidioc_enum_dv_timings = vpif_enum_dv_timings, - .vidioc_s_dv_timings = vpif_s_dv_timings, - .vidioc_g_dv_timings = vpif_g_dv_timings, + + .vidioc_enum_dv_timings = vpif_enum_dv_timings, + .vidioc_s_dv_timings = vpif_s_dv_timings, + .vidioc_g_dv_timings = vpif_g_dv_timings, + .vidioc_log_status = vpif_log_status, }; static const struct v4l2_file_operations vpif_fops = { .owner = THIS_MODULE, - .open = vpif_open, - .release = vpif_release, + .open = v4l2_fh_open, + .release = vb2_fop_release, .unlocked_ioctl = video_ioctl2, - .mmap = vpif_mmap, - .poll = vpif_poll -}; - -static struct video_device vpif_video_template = { - .name = "vpif", - .fops = &vpif_fops, - .ioctl_ops = &vpif_ioctl_ops, + .mmap = vb2_fop_mmap, + .poll = vb2_fop_poll }; /*Configure the channels, buffer sizei, request irq */ static int initialize_vpif(void) { int free_channel_objects_index; - int free_buffer_channel_index; - int free_buffer_index; - int err = 0, i, j; - - /* Default number of buffers should be 3 */ - if ((ch2_numbuffers > 0) && - (ch2_numbuffers < config_params.min_numbuffers)) - ch2_numbuffers = config_params.min_numbuffers; - if ((ch3_numbuffers > 0) && - (ch3_numbuffers < config_params.min_numbuffers)) - ch3_numbuffers = config_params.min_numbuffers; - - /* Set buffer size to min buffers size if invalid buffer size is - * given */ - if (ch2_bufsize < config_params.min_bufsize[VPIF_CHANNEL2_VIDEO]) - ch2_bufsize = - config_params.min_bufsize[VPIF_CHANNEL2_VIDEO]; - if (ch3_bufsize < config_params.min_bufsize[VPIF_CHANNEL3_VIDEO]) - ch3_bufsize = - config_params.min_bufsize[VPIF_CHANNEL3_VIDEO]; - - config_params.numbuffers[VPIF_CHANNEL2_VIDEO] = ch2_numbuffers; - - if (ch2_numbuffers) { - config_params.channel_bufsize[VPIF_CHANNEL2_VIDEO] = - ch2_bufsize; - } - config_params.numbuffers[VPIF_CHANNEL3_VIDEO] = ch3_numbuffers; - - if (ch3_numbuffers) { - config_params.channel_bufsize[VPIF_CHANNEL3_VIDEO] = - ch3_bufsize; - } + int err, i, j; /* Allocate memory for six channel objects */ for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { @@ -1606,10 +1114,6 @@ static int initialize_vpif(void) } } - free_channel_objects_index = VPIF_DISPLAY_MAX_DEVICES; - free_buffer_channel_index = VPIF_DISPLAY_NUM_CHANNELS; - free_buffer_index = config_params.numbuffers[i - 1]; - return 0; vpif_init_free_channel_objects: @@ -1638,21 +1142,18 @@ static int vpif_async_bound(struct v4l2_async_notifier *notifier, static int vpif_probe_complete(void) { struct common_obj *common; + struct video_device *vdev; struct channel_obj *ch; + struct vb2_queue *q; int j, err, k; for (j = 0; j < VPIF_DISPLAY_MAX_DEVICES; j++) { ch = vpif_obj.dev[j]; /* Initialize field of the channel objects */ - atomic_set(&ch->usrs, 0); for (k = 0; k < VPIF_NUMOBJECTS; k++) { - ch->common[k].numbuffers = 0; common = &ch->common[k]; - common->io_usrs = 0; - common->started = 0; spin_lock_init(&common->irqlock); mutex_init(&common->lock); - common->numbuffers = 0; common->set_addr = NULL; common->ytop_off = 0; common->ybtm_off = 0; @@ -1661,38 +1162,71 @@ static int vpif_probe_complete(void) common->cur_frm = NULL; common->next_frm = NULL; memset(&common->fmt, 0, sizeof(common->fmt)); - common->numbuffers = config_params.numbuffers[k]; } ch->initialized = 0; if (vpif_obj.config->subdev_count) ch->sd = vpif_obj.sd[0]; ch->channel_id = j; - if (j < 2) - ch->common[VPIF_VIDEO_INDEX].numbuffers = - config_params.numbuffers[ch->channel_id]; - else - ch->common[VPIF_VIDEO_INDEX].numbuffers = 0; memset(&ch->vpifparams, 0, sizeof(ch->vpifparams)); - /* Initialize prio member of channel object */ - v4l2_prio_init(&ch->prio); ch->common[VPIF_VIDEO_INDEX].fmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - ch->video_dev->lock = &common->lock; - video_set_drvdata(ch->video_dev, ch); /* select output 0 */ err = vpif_set_output(vpif_obj.config, ch, 0); if (err) goto probe_out; + /* set initial format */ + ch->video.stdid = V4L2_STD_525_60; + memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); + vpif_update_resolution(ch); + + /* Initialize vb2 queue */ + q = &common->buffer_queue; + q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; + q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; + q->drv_priv = ch; + q->ops = &video_qops; + q->mem_ops = &vb2_dma_contig_memops; + q->buf_struct_size = sizeof(struct vpif_disp_buffer); + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->min_buffers_needed = 1; + q->lock = &common->lock; + err = vb2_queue_init(q); + if (err) { + vpif_err("vpif_display: vb2_queue_init() failed\n"); + goto probe_out; + } + + common->alloc_ctx = vb2_dma_contig_init_ctx(vpif_dev); + if (IS_ERR(common->alloc_ctx)) { + vpif_err("Failed to get the context\n"); + err = PTR_ERR(common->alloc_ctx); + goto probe_out; + } + + INIT_LIST_HEAD(&common->dma_queue); + /* register video device */ vpif_dbg(1, debug, "channel=%x,channel->video_dev=%x\n", (int)ch, (int)&ch->video_dev); - err = video_register_device(ch->video_dev, - VFL_TYPE_GRABBER, (j ? 3 : 2)); + /* Initialize the video_device structure */ + vdev = ch->video_dev; + strlcpy(vdev->name, VPIF_DRIVER_NAME, sizeof(vdev->name)); + vdev->release = video_device_release; + vdev->fops = &vpif_fops; + vdev->ioctl_ops = &vpif_ioctl_ops; + vdev->v4l2_dev = &vpif_obj.v4l2_dev; + vdev->vfl_dir = VFL_DIR_TX; + vdev->queue = q; + vdev->lock = &common->lock; + set_bit(V4L2_FL_USE_FH_PRIO, &vdev->flags); + video_set_drvdata(ch->video_dev, ch); + err = video_register_device(vdev, VFL_TYPE_GRABBER, + (j ? 3 : 2)); if (err < 0) goto probe_out; } @@ -1702,6 +1236,8 @@ static int vpif_probe_complete(void) probe_out: for (k = 0; k < j; k++) { ch = vpif_obj.dev[k]; + common = &ch->common[k]; + vb2_dma_contig_cleanup_ctx(common->alloc_ctx); video_unregister_device(ch->video_dev); video_device_release(ch->video_dev); ch->video_dev = NULL; @@ -1728,7 +1264,6 @@ static __init int vpif_probe(struct platform_device *pdev) struct video_device *vfd; struct resource *res; int subdev_count; - size_t size; vpif_dev = &pdev->dev; err = initialize_vpif(); @@ -1746,7 +1281,7 @@ static __init int vpif_probe(struct platform_device *pdev) while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) { err = devm_request_irq(&pdev->dev, res->start, vpif_channel_isr, - IRQF_SHARED, "VPIF_Display", + IRQF_SHARED, VPIF_DRIVER_NAME, (void *)(&vpif_obj.dev[res_idx]-> channel_id)); if (err) { @@ -1772,36 +1307,10 @@ static __init int vpif_probe(struct platform_device *pdev) goto vpif_unregister; } - /* Initialize field of video device */ - *vfd = vpif_video_template; - vfd->v4l2_dev = &vpif_obj.v4l2_dev; - vfd->release = video_device_release; - vfd->vfl_dir = VFL_DIR_TX; - snprintf(vfd->name, sizeof(vfd->name), - "VPIF_Display_DRIVER_V%s", - VPIF_DISPLAY_VERSION); - /* Set video_dev to the video device */ ch->video_dev = vfd; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res) { - size = resource_size(res); - /* The resources are divided into two equal memory and when - * we have HD output we can add them together - */ - for (j = 0; j < VPIF_DISPLAY_MAX_DEVICES; j++) { - ch = vpif_obj.dev[j]; - ch->channel_id = j; - - /* only enabled if second resource exists */ - config_params.video_limit[ch->channel_id] = 0; - if (size) - config_params.video_limit[ch->channel_id] = - size/2; - } - } vpif_obj.config = pdev->dev.platform_data; subdev_count = vpif_obj.config->subdev_count; subdevdata = vpif_obj.config->subdevinfo; @@ -1867,6 +1376,7 @@ vpif_unregister: */ static int vpif_remove(struct platform_device *device) { + struct common_obj *common; struct channel_obj *ch; int i; @@ -1877,6 +1387,8 @@ static int vpif_remove(struct platform_device *device) for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { /* Get the pointer to the channel object */ ch = vpif_obj.dev[i]; + common = &ch->common[i]; + vb2_dma_contig_cleanup_ctx(common->alloc_ctx); /* Unregister video device */ video_unregister_device(ch->video_dev); @@ -1887,7 +1399,7 @@ static int vpif_remove(struct platform_device *device) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int vpif_suspend(struct device *dev) { struct common_obj *common; @@ -1898,18 +1410,20 @@ static int vpif_suspend(struct device *dev) /* Get the pointer to the channel object */ ch = vpif_obj.dev[i]; common = &ch->common[VPIF_VIDEO_INDEX]; + + if (!vb2_is_streaming(&common->buffer_queue)) + continue; + mutex_lock(&common->lock); - if (atomic_read(&ch->usrs) && common->io_usrs) { - /* Disable channel */ - if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { - enable_channel2(0); - channel2_intr_enable(0); - } - if (ch->channel_id == VPIF_CHANNEL3_VIDEO || - common->started == 2) { - enable_channel3(0); - channel3_intr_enable(0); - } + /* Disable channel */ + if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { + enable_channel2(0); + channel2_intr_enable(0); + } + if (ch->channel_id == VPIF_CHANNEL3_VIDEO || + ycmux_mode == 2) { + enable_channel3(0); + channel3_intr_enable(0); } mutex_unlock(&common->lock); } @@ -1928,18 +1442,20 @@ static int vpif_resume(struct device *dev) /* Get the pointer to the channel object */ ch = vpif_obj.dev[i]; common = &ch->common[VPIF_VIDEO_INDEX]; + + if (!vb2_is_streaming(&common->buffer_queue)) + continue; + mutex_lock(&common->lock); - if (atomic_read(&ch->usrs) && common->io_usrs) { - /* Enable channel */ - if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { - enable_channel2(1); - channel2_intr_enable(1); - } - if (ch->channel_id == VPIF_CHANNEL3_VIDEO || - common->started == 2) { - enable_channel3(1); - channel3_intr_enable(1); - } + /* Enable channel */ + if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { + enable_channel2(1); + channel2_intr_enable(1); + } + if (ch->channel_id == VPIF_CHANNEL3_VIDEO || + ycmux_mode == 2) { + enable_channel3(1); + channel3_intr_enable(1); } mutex_unlock(&common->lock); } @@ -1947,21 +1463,15 @@ static int vpif_resume(struct device *dev) return 0; } -static const struct dev_pm_ops vpif_pm = { - .suspend = vpif_suspend, - .resume = vpif_resume, -}; - -#define vpif_pm_ops (&vpif_pm) -#else -#define vpif_pm_ops NULL #endif +static SIMPLE_DEV_PM_OPS(vpif_pm_ops, vpif_suspend, vpif_resume); + static __refdata struct platform_driver vpif_driver = { .driver = { - .name = "vpif_display", + .name = VPIF_DRIVER_NAME, .owner = THIS_MODULE, - .pm = vpif_pm_ops, + .pm = &vpif_pm_ops, }, .probe = vpif_probe, .remove = vpif_remove, |