summaryrefslogtreecommitdiff
path: root/drivers/media/pci/cx23885/cx23885-video.c
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/media/pci/cx23885/cx23885-video.c
Initial import
Diffstat (limited to 'drivers/media/pci/cx23885/cx23885-video.c')
-rw-r--r--drivers/media/pci/cx23885/cx23885-video.c1284
1 files changed, 1284 insertions, 0 deletions
diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c
new file mode 100644
index 000000000..ddcfa4876
--- /dev/null
+++ b/drivers/media/pci/cx23885/cx23885-video.c
@@ -0,0 +1,1284 @@
+/*
+ * Driver for the Conexant CX23885 PCIe bridge
+ *
+ * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *
+ * GNU General Public License for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kmod.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/kthread.h>
+#include <asm/div64.h>
+
+#include "cx23885.h"
+#include "cx23885-video.h"
+#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-event.h>
+#include "cx23885-ioctl.h"
+#include "tuner-xc2028.h"
+
+#include <media/cx25840.h>
+
+MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
+MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
+MODULE_LICENSE("GPL");
+
+/* ------------------------------------------------------------------ */
+
+static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
+static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
+
+module_param_array(video_nr, int, NULL, 0444);
+module_param_array(vbi_nr, int, NULL, 0444);
+
+MODULE_PARM_DESC(video_nr, "video device numbers");
+MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
+
+static unsigned int video_debug;
+module_param(video_debug, int, 0644);
+MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
+
+static unsigned int irq_debug;
+module_param(irq_debug, int, 0644);
+MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
+
+static unsigned int vid_limit = 16;
+module_param(vid_limit, int, 0644);
+MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
+
+#define dprintk(level, fmt, arg...)\
+ do { if (video_debug >= level)\
+ printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
+ } while (0)
+
+/* ------------------------------------------------------------------- */
+/* static data */
+
+#define FORMAT_FLAGS_PACKED 0x01
+static struct cx23885_fmt formats[] = {
+ {
+ .name = "4:2:2, packed, YUYV",
+ .fourcc = V4L2_PIX_FMT_YUYV,
+ .depth = 16,
+ .flags = FORMAT_FLAGS_PACKED,
+ }
+};
+
+static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(formats); i++)
+ if (formats[i].fourcc == fourcc)
+ return formats+i;
+ return NULL;
+}
+
+/* ------------------------------------------------------------------- */
+
+void cx23885_video_wakeup(struct cx23885_dev *dev,
+ struct cx23885_dmaqueue *q, u32 count)
+{
+ struct cx23885_buffer *buf;
+
+ if (list_empty(&q->active))
+ return;
+ buf = list_entry(q->active.next,
+ struct cx23885_buffer, queue);
+
+ buf->vb.v4l2_buf.sequence = q->count++;
+ v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
+ dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.v4l2_buf.index,
+ count, q->count);
+ list_del(&buf->queue);
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);
+}
+
+int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
+{
+ dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
+ __func__,
+ (unsigned int)norm,
+ v4l2_norm_to_name(norm));
+
+ if (dev->tvnorm != norm) {
+ if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
+ vb2_is_busy(&dev->vb2_mpegq))
+ return -EBUSY;
+ }
+
+ dev->tvnorm = norm;
+
+ call_all(dev, video, s_std, norm);
+
+ return 0;
+}
+
+static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
+ struct pci_dev *pci,
+ struct video_device *template,
+ char *type)
+{
+ struct video_device *vfd;
+ dprintk(1, "%s()\n", __func__);
+
+ vfd = video_device_alloc();
+ if (NULL == vfd)
+ return NULL;
+ *vfd = *template;
+ vfd->v4l2_dev = &dev->v4l2_dev;
+ vfd->release = video_device_release;
+ vfd->lock = &dev->lock;
+ snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
+ cx23885_boards[dev->board].name, type);
+ video_set_drvdata(vfd, dev);
+ return vfd;
+}
+
+int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
+{
+ /* 8 bit registers, 8 bit values */
+ u8 buf[] = { reg, data };
+
+ struct i2c_msg msg = { .addr = 0x98 >> 1,
+ .flags = 0, .buf = buf, .len = 2 };
+
+ return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
+}
+
+u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
+{
+ /* 8 bit registers, 8 bit values */
+ int ret;
+ u8 b0[] = { reg };
+ u8 b1[] = { 0 };
+
+ struct i2c_msg msg[] = {
+ { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
+ { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
+ };
+
+ ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
+ if (ret != 2)
+ printk(KERN_ERR "%s() error\n", __func__);
+
+ return b1[0];
+}
+
+static void cx23885_flatiron_dump(struct cx23885_dev *dev)
+{
+ int i;
+ dprintk(1, "Flatiron dump\n");
+ for (i = 0; i < 0x24; i++) {
+ dprintk(1, "FI[%02x] = %02x\n", i,
+ cx23885_flatiron_read(dev, i));
+ }
+}
+
+static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
+{
+ u8 val;
+ dprintk(1, "%s(input = %d)\n", __func__, input);
+
+ if (input == 1)
+ val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
+ else if (input == 2)
+ val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
+ else
+ return -EINVAL;
+
+ val |= 0x20; /* Enable clock to delta-sigma and dec filter */
+
+ cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
+
+ /* Wake up */
+ cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
+
+ if (video_debug)
+ cx23885_flatiron_dump(dev);
+
+ return 0;
+}
+
+static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
+{
+ dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
+ __func__,
+ input, INPUT(input)->vmux,
+ INPUT(input)->gpio0, INPUT(input)->gpio1,
+ INPUT(input)->gpio2, INPUT(input)->gpio3);
+ dev->input = input;
+
+ if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
+ dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
+ dev->board == CX23885_BOARD_MYGICA_X8507) {
+ /* Select Analog TV */
+ if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
+ cx23885_gpio_clear(dev, GPIO_0);
+ }
+
+ /* Tell the internal A/V decoder */
+ v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
+ INPUT(input)->vmux, 0, 0);
+
+ if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
+ (dev->board == CX23885_BOARD_MPX885) ||
+ (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
+ (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) ||
+ (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
+ (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
+ (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
+ (dev->board == CX23885_BOARD_MYGICA_X8507) ||
+ (dev->board == CX23885_BOARD_AVERMEDIA_HC81R)) {
+ /* Configure audio routing */
+ v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
+ INPUT(input)->amux, 0, 0);
+
+ if (INPUT(input)->amux == CX25840_AUDIO7)
+ cx23885_flatiron_mux(dev, 1);
+ else if (INPUT(input)->amux == CX25840_AUDIO6)
+ cx23885_flatiron_mux(dev, 2);
+ }
+
+ return 0;
+}
+
+static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
+{
+ dprintk(1, "%s(input=%d)\n", __func__, input);
+
+ /* The baseband video core of the cx23885 has two audio inputs.
+ * LR1 and LR2. In almost every single case so far only HVR1xxx
+ * cards we've only ever supported LR1. Time to support LR2,
+ * which is available via the optional white breakout header on
+ * the board.
+ * We'll use a could of existing enums in the card struct to allow
+ * devs to specify which baseband input they need, or just default
+ * to what we've always used.
+ */
+ if (INPUT(input)->amux == CX25840_AUDIO7)
+ cx23885_flatiron_mux(dev, 1);
+ else if (INPUT(input)->amux == CX25840_AUDIO6)
+ cx23885_flatiron_mux(dev, 2);
+ else {
+ /* Not specifically defined, assume the default. */
+ cx23885_flatiron_mux(dev, 1);
+ }
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------ */
+static int cx23885_start_video_dma(struct cx23885_dev *dev,
+ struct cx23885_dmaqueue *q,
+ struct cx23885_buffer *buf)
+{
+ dprintk(1, "%s()\n", __func__);
+
+ /* Stop the dma/fifo before we tamper with it's risc programs */
+ cx_clear(VID_A_DMA_CTL, 0x11);
+
+ /* setup fifo + format */
+ cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
+ buf->bpl, buf->risc.dma);
+
+ /* reset counter */
+ cx_write(VID_A_GPCNT_CTL, 3);
+ q->count = 0;
+
+ /* enable irq */
+ cx23885_irq_add_enable(dev, 0x01);
+ cx_set(VID_A_INT_MSK, 0x000011);
+
+ /* start dma */
+ cx_set(DEV_CNTRL2, (1<<5));
+ cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
+
+ return 0;
+}
+
+static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
+ unsigned int *num_buffers, unsigned int *num_planes,
+ unsigned int sizes[], void *alloc_ctxs[])
+{
+ struct cx23885_dev *dev = q->drv_priv;
+
+ *num_planes = 1;
+ sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
+ alloc_ctxs[0] = dev->alloc_ctx;
+ return 0;
+}
+
+static int buffer_prepare(struct vb2_buffer *vb)
+{
+ struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
+ struct cx23885_buffer *buf =
+ container_of(vb, struct cx23885_buffer, vb);
+ u32 line0_offset, line1_offset;
+ struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
+ int field_tff;
+
+ buf->bpl = (dev->width * dev->fmt->depth) >> 3;
+
+ if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
+ return -EINVAL;
+ vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
+
+ switch (dev->field) {
+ case V4L2_FIELD_TOP:
+ cx23885_risc_buffer(dev->pci, &buf->risc,
+ sgt->sgl, 0, UNSET,
+ buf->bpl, 0, dev->height);
+ break;
+ case V4L2_FIELD_BOTTOM:
+ cx23885_risc_buffer(dev->pci, &buf->risc,
+ sgt->sgl, UNSET, 0,
+ buf->bpl, 0, dev->height);
+ break;
+ case V4L2_FIELD_INTERLACED:
+ if (dev->tvnorm & V4L2_STD_525_60)
+ /* NTSC or */
+ field_tff = 1;
+ else
+ field_tff = 0;
+
+ if (cx23885_boards[dev->board].force_bff)
+ /* PAL / SECAM OR 888 in NTSC MODE */
+ field_tff = 0;
+
+ if (field_tff) {
+ /* cx25840 transmits NTSC bottom field first */
+ dprintk(1, "%s() Creating TFF/NTSC risc\n",
+ __func__);
+ line0_offset = buf->bpl;
+ line1_offset = 0;
+ } else {
+ /* All other formats are top field first */
+ dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
+ __func__);
+ line0_offset = 0;
+ line1_offset = buf->bpl;
+ }
+ cx23885_risc_buffer(dev->pci, &buf->risc,
+ sgt->sgl, line0_offset,
+ line1_offset,
+ buf->bpl, buf->bpl,
+ dev->height >> 1);
+ break;
+ case V4L2_FIELD_SEQ_TB:
+ cx23885_risc_buffer(dev->pci, &buf->risc,
+ sgt->sgl,
+ 0, buf->bpl * (dev->height >> 1),
+ buf->bpl, 0,
+ dev->height >> 1);
+ break;
+ case V4L2_FIELD_SEQ_BT:
+ cx23885_risc_buffer(dev->pci, &buf->risc,
+ sgt->sgl,
+ buf->bpl * (dev->height >> 1), 0,
+ buf->bpl, 0,
+ dev->height >> 1);
+ break;
+ default:
+ BUG();
+ }
+ dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
+ buf, buf->vb.v4l2_buf.index,
+ dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
+ (unsigned long)buf->risc.dma);
+ return 0;
+}
+
+static void buffer_finish(struct vb2_buffer *vb)
+{
+ struct cx23885_buffer *buf = container_of(vb,
+ struct cx23885_buffer, vb);
+
+ cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
+}
+
+/*
+ * The risc program for each buffer works as follows: it starts with a simple
+ * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
+ * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
+ * the initial JUMP).
+ *
+ * This is the risc program of the first buffer to be queued if the active list
+ * is empty and it just keeps DMAing this buffer without generating any
+ * interrupts.
+ *
+ * If a new buffer is added then the initial JUMP in the code for that buffer
+ * will generate an interrupt which signals that the previous buffer has been
+ * DMAed successfully and that it can be returned to userspace.
+ *
+ * It also sets the final jump of the previous buffer to the start of the new
+ * buffer, thus chaining the new buffer into the DMA chain. This is a single
+ * atomic u32 write, so there is no race condition.
+ *
+ * The end-result of all this that you only get an interrupt when a buffer
+ * is ready, so the control flow is very easy.
+ */
+static void buffer_queue(struct vb2_buffer *vb)
+{
+ struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
+ struct cx23885_buffer *buf = container_of(vb,
+ struct cx23885_buffer, vb);
+ struct cx23885_buffer *prev;
+ struct cx23885_dmaqueue *q = &dev->vidq;
+ unsigned long flags;
+
+ /* add jump to start */
+ buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
+ buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
+ buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
+ buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
+
+ spin_lock_irqsave(&dev->slock, flags);
+ if (list_empty(&q->active)) {
+ list_add_tail(&buf->queue, &q->active);
+ dprintk(2, "[%p/%d] buffer_queue - first active\n",
+ buf, buf->vb.v4l2_buf.index);
+ } else {
+ buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
+ prev = list_entry(q->active.prev, struct cx23885_buffer,
+ queue);
+ list_add_tail(&buf->queue, &q->active);
+ prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
+ dprintk(2, "[%p/%d] buffer_queue - append to active\n",
+ buf, buf->vb.v4l2_buf.index);
+ }
+ spin_unlock_irqrestore(&dev->slock, flags);
+}
+
+static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+ struct cx23885_dev *dev = q->drv_priv;
+ struct cx23885_dmaqueue *dmaq = &dev->vidq;
+ struct cx23885_buffer *buf = list_entry(dmaq->active.next,
+ struct cx23885_buffer, queue);
+
+ cx23885_start_video_dma(dev, dmaq, buf);
+ return 0;
+}
+
+static void cx23885_stop_streaming(struct vb2_queue *q)
+{
+ struct cx23885_dev *dev = q->drv_priv;
+ struct cx23885_dmaqueue *dmaq = &dev->vidq;
+ unsigned long flags;
+
+ cx_clear(VID_A_DMA_CTL, 0x11);
+ spin_lock_irqsave(&dev->slock, flags);
+ while (!list_empty(&dmaq->active)) {
+ struct cx23885_buffer *buf = list_entry(dmaq->active.next,
+ struct cx23885_buffer, queue);
+
+ list_del(&buf->queue);
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+ }
+ spin_unlock_irqrestore(&dev->slock, flags);
+}
+
+static struct vb2_ops cx23885_video_qops = {
+ .queue_setup = queue_setup,
+ .buf_prepare = buffer_prepare,
+ .buf_finish = buffer_finish,
+ .buf_queue = buffer_queue,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+ .start_streaming = cx23885_start_streaming,
+ .stop_streaming = cx23885_stop_streaming,
+};
+
+/* ------------------------------------------------------------------ */
+/* VIDEO IOCTLS */
+
+static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+
+ f->fmt.pix.width = dev->width;
+ f->fmt.pix.height = dev->height;
+ f->fmt.pix.field = dev->field;
+ f->fmt.pix.pixelformat = dev->fmt->fourcc;
+ f->fmt.pix.bytesperline =
+ (f->fmt.pix.width * dev->fmt->depth) >> 3;
+ f->fmt.pix.sizeimage =
+ f->fmt.pix.height * f->fmt.pix.bytesperline;
+ f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+
+ return 0;
+}
+
+static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+ struct cx23885_fmt *fmt;
+ enum v4l2_field field;
+ unsigned int maxw, maxh;
+
+ fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+ if (NULL == fmt)
+ return -EINVAL;
+
+ field = f->fmt.pix.field;
+ maxw = norm_maxw(dev->tvnorm);
+ maxh = norm_maxh(dev->tvnorm);
+
+ if (V4L2_FIELD_ANY == field) {
+ field = (f->fmt.pix.height > maxh/2)
+ ? V4L2_FIELD_INTERLACED
+ : V4L2_FIELD_BOTTOM;
+ }
+
+ switch (field) {
+ case V4L2_FIELD_TOP:
+ case V4L2_FIELD_BOTTOM:
+ maxh = maxh / 2;
+ break;
+ case V4L2_FIELD_INTERLACED:
+ case V4L2_FIELD_SEQ_TB:
+ case V4L2_FIELD_SEQ_BT:
+ break;
+ default:
+ field = V4L2_FIELD_INTERLACED;
+ break;
+ }
+
+ f->fmt.pix.field = field;
+ v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
+ &f->fmt.pix.height, 32, maxh, 0, 0);
+ f->fmt.pix.bytesperline =
+ (f->fmt.pix.width * fmt->depth) >> 3;
+ f->fmt.pix.sizeimage =
+ f->fmt.pix.height * f->fmt.pix.bytesperline;
+ f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+
+ return 0;
+}
+
+static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+ struct v4l2_mbus_framefmt mbus_fmt;
+ int err;
+
+ dprintk(2, "%s()\n", __func__);
+ err = vidioc_try_fmt_vid_cap(file, priv, f);
+
+ if (0 != err)
+ return err;
+
+ if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
+ vb2_is_busy(&dev->vb2_mpegq))
+ return -EBUSY;
+
+ dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+ dev->width = f->fmt.pix.width;
+ dev->height = f->fmt.pix.height;
+ dev->field = f->fmt.pix.field;
+ dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
+ dev->width, dev->height, dev->field);
+ v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
+ call_all(dev, video, s_mbus_fmt, &mbus_fmt);
+ v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
+ /* s_mbus_fmt overwrites f->fmt.pix.field, restore it */
+ f->fmt.pix.field = dev->field;
+ return 0;
+}
+
+static int vidioc_querycap(struct file *file, void *priv,
+ struct v4l2_capability *cap)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+ struct video_device *vdev = video_devdata(file);
+
+ strcpy(cap->driver, "cx23885");
+ strlcpy(cap->card, cx23885_boards[dev->board].name,
+ sizeof(cap->card));
+ sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
+ cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO;
+ if (dev->tuner_type != TUNER_ABSENT)
+ cap->device_caps |= V4L2_CAP_TUNER;
+ if (vdev->vfl_type == VFL_TYPE_VBI)
+ cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
+ else
+ cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
+ cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE |
+ V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS;
+ return 0;
+}
+
+static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+ if (unlikely(f->index >= ARRAY_SIZE(formats)))
+ return -EINVAL;
+
+ strlcpy(f->description, formats[f->index].name,
+ sizeof(f->description));
+ f->pixelformat = formats[f->index].fourcc;
+
+ return 0;
+}
+
+static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+ dprintk(1, "%s()\n", __func__);
+
+ *id = dev->tvnorm;
+ return 0;
+}
+
+static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+ dprintk(1, "%s()\n", __func__);
+
+ return cx23885_set_tvnorm(dev, tvnorms);
+}
+
+int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
+{
+ static const char *iname[] = {
+ [CX23885_VMUX_COMPOSITE1] = "Composite1",
+ [CX23885_VMUX_COMPOSITE2] = "Composite2",
+ [CX23885_VMUX_COMPOSITE3] = "Composite3",
+ [CX23885_VMUX_COMPOSITE4] = "Composite4",
+ [CX23885_VMUX_SVIDEO] = "S-Video",
+ [CX23885_VMUX_COMPONENT] = "Component",
+ [CX23885_VMUX_TELEVISION] = "Television",
+ [CX23885_VMUX_CABLE] = "Cable TV",
+ [CX23885_VMUX_DVB] = "DVB",
+ [CX23885_VMUX_DEBUG] = "for debug only",
+ };
+ unsigned int n;
+ dprintk(1, "%s()\n", __func__);
+
+ n = i->index;
+ if (n >= MAX_CX23885_INPUT)
+ return -EINVAL;
+
+ if (0 == INPUT(n)->type)
+ return -EINVAL;
+
+ i->index = n;
+ i->type = V4L2_INPUT_TYPE_CAMERA;
+ strcpy(i->name, iname[INPUT(n)->type]);
+ i->std = CX23885_NORMS;
+ if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
+ (CX23885_VMUX_CABLE == INPUT(n)->type)) {
+ i->type = V4L2_INPUT_TYPE_TUNER;
+ i->audioset = 4;
+ } else {
+ /* Two selectable audio inputs for non-tv inputs */
+ i->audioset = 3;
+ }
+
+ if (dev->input == n) {
+ /* enum'd input matches our configured input.
+ * Ask the video decoder to process the call
+ * and give it an oppertunity to update the
+ * status field.
+ */
+ call_all(dev, video, g_input_status, &i->status);
+ }
+
+ return 0;
+}
+
+static int vidioc_enum_input(struct file *file, void *priv,
+ struct v4l2_input *i)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+ dprintk(1, "%s()\n", __func__);
+ return cx23885_enum_input(dev, i);
+}
+
+int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+
+ *i = dev->input;
+ dprintk(1, "%s() returns %d\n", __func__, *i);
+ return 0;
+}
+
+static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
+{
+ return cx23885_get_input(file, priv, i);
+}
+
+int cx23885_set_input(struct file *file, void *priv, unsigned int i)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+
+ dprintk(1, "%s(%d)\n", __func__, i);
+
+ if (i >= MAX_CX23885_INPUT) {
+ dprintk(1, "%s() -EINVAL\n", __func__);
+ return -EINVAL;
+ }
+
+ if (INPUT(i)->type == 0)
+ return -EINVAL;
+
+ cx23885_video_mux(dev, i);
+
+ /* By default establish the default audio input for the card also */
+ /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
+ cx23885_audio_mux(dev, i);
+ return 0;
+}
+
+static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
+{
+ return cx23885_set_input(file, priv, i);
+}
+
+static int vidioc_log_status(struct file *file, void *priv)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+
+ call_all(dev, core, log_status);
+ return 0;
+}
+
+static int cx23885_query_audinput(struct file *file, void *priv,
+ struct v4l2_audio *i)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+ static const char *iname[] = {
+ [0] = "Baseband L/R 1",
+ [1] = "Baseband L/R 2",
+ [2] = "TV",
+ };
+ unsigned int n;
+ dprintk(1, "%s()\n", __func__);
+
+ n = i->index;
+ if (n >= 3)
+ return -EINVAL;
+
+ memset(i, 0, sizeof(*i));
+ i->index = n;
+ strcpy(i->name, iname[n]);
+ i->capability = V4L2_AUDCAP_STEREO;
+ return 0;
+
+}
+
+static int vidioc_enum_audinput(struct file *file, void *priv,
+ struct v4l2_audio *i)
+{
+ return cx23885_query_audinput(file, priv, i);
+}
+
+static int vidioc_g_audinput(struct file *file, void *priv,
+ struct v4l2_audio *i)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+
+ if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
+ (CX23885_VMUX_CABLE == INPUT(dev->input)->type))
+ i->index = 2;
+ else
+ i->index = dev->audinput;
+ dprintk(1, "%s(input=%d)\n", __func__, i->index);
+
+ return cx23885_query_audinput(file, priv, i);
+}
+
+static int vidioc_s_audinput(struct file *file, void *priv,
+ const struct v4l2_audio *i)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+
+ if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
+ (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
+ return i->index != 2 ? -EINVAL : 0;
+ }
+ if (i->index > 1)
+ return -EINVAL;
+
+ dprintk(1, "%s(%d)\n", __func__, i->index);
+
+ dev->audinput = i->index;
+
+ /* Skip the audio defaults from the cards struct, caller wants
+ * directly touch the audio mux hardware. */
+ cx23885_flatiron_mux(dev, dev->audinput + 1);
+ return 0;
+}
+
+static int vidioc_g_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *t)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+
+ if (dev->tuner_type == TUNER_ABSENT)
+ return -EINVAL;
+ if (0 != t->index)
+ return -EINVAL;
+
+ strcpy(t->name, "Television");
+
+ call_all(dev, tuner, g_tuner, t);
+ return 0;
+}
+
+static int vidioc_s_tuner(struct file *file, void *priv,
+ const struct v4l2_tuner *t)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+
+ if (dev->tuner_type == TUNER_ABSENT)
+ return -EINVAL;
+ if (0 != t->index)
+ return -EINVAL;
+ /* Update the A/V core */
+ call_all(dev, tuner, s_tuner, t);
+
+ return 0;
+}
+
+static int vidioc_g_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+
+ if (dev->tuner_type == TUNER_ABSENT)
+ return -EINVAL;
+
+ f->type = V4L2_TUNER_ANALOG_TV;
+ f->frequency = dev->freq;
+
+ call_all(dev, tuner, g_frequency, f);
+
+ return 0;
+}
+
+static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
+{
+ struct v4l2_ctrl *mute;
+ int old_mute_val = 1;
+
+ if (dev->tuner_type == TUNER_ABSENT)
+ return -EINVAL;
+ if (unlikely(f->tuner != 0))
+ return -EINVAL;
+
+ dev->freq = f->frequency;
+
+ /* I need to mute audio here */
+ mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
+ if (mute) {
+ old_mute_val = v4l2_ctrl_g_ctrl(mute);
+ if (!old_mute_val)
+ v4l2_ctrl_s_ctrl(mute, 1);
+ }
+
+ call_all(dev, tuner, s_frequency, f);
+
+ /* When changing channels it is required to reset TVAUDIO */
+ msleep(100);
+
+ /* I need to unmute audio here */
+ if (old_mute_val == 0)
+ v4l2_ctrl_s_ctrl(mute, old_mute_val);
+
+ return 0;
+}
+
+static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
+ const struct v4l2_frequency *f)
+{
+ struct v4l2_ctrl *mute;
+ int old_mute_val = 1;
+ struct vb2_dvb_frontend *vfe;
+ struct dvb_frontend *fe;
+
+ struct analog_parameters params = {
+ .mode = V4L2_TUNER_ANALOG_TV,
+ .audmode = V4L2_TUNER_MODE_STEREO,
+ .std = dev->tvnorm,
+ .frequency = f->frequency
+ };
+
+ dev->freq = f->frequency;
+
+ /* I need to mute audio here */
+ mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
+ if (mute) {
+ old_mute_val = v4l2_ctrl_g_ctrl(mute);
+ if (!old_mute_val)
+ v4l2_ctrl_s_ctrl(mute, 1);
+ }
+
+ /* If HVR1850 */
+ dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
+ params.frequency, f->tuner, params.std);
+
+ vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
+ if (!vfe) {
+ return -EINVAL;
+ }
+
+ fe = vfe->dvb.frontend;
+
+ if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
+ (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
+ (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111))
+ fe = &dev->ts1.analog_fe;
+
+ if (fe && fe->ops.tuner_ops.set_analog_params) {
+ call_all(dev, video, s_std, dev->tvnorm);
+ fe->ops.tuner_ops.set_analog_params(fe, &params);
+ }
+ else
+ printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);
+
+ /* When changing channels it is required to reset TVAUDIO */
+ msleep(100);
+
+ /* I need to unmute audio here */
+ if (old_mute_val == 0)
+ v4l2_ctrl_s_ctrl(mute, old_mute_val);
+
+ return 0;
+}
+
+int cx23885_set_frequency(struct file *file, void *priv,
+ const struct v4l2_frequency *f)
+{
+ struct cx23885_dev *dev = video_drvdata(file);
+ int ret;
+
+ switch (dev->board) {
+ case CX23885_BOARD_HAUPPAUGE_HVR1255:
+ case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
+ case CX23885_BOARD_HAUPPAUGE_HVR1850:
+ ret = cx23885_set_freq_via_ops(dev, f);
+ break;
+ default:
+ ret = cx23885_set_freq(dev, f);
+ }
+
+ return ret;
+}
+
+static int vidioc_s_frequency(struct file *file, void *priv,
+ const struct v4l2_frequency *f)
+{
+ return cx23885_set_frequency(file, priv, f);
+}
+
+/* ----------------------------------------------------------- */
+
+int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
+{
+ u32 mask, count;
+ int handled = 0;
+
+ mask = cx_read(VID_A_INT_MSK);
+ if (0 == (status & mask))
+ return handled;
+
+ cx_write(VID_A_INT_STAT, status);
+
+ /* risc op code error, fifo overflow or line sync detection error */
+ if ((status & VID_BC_MSK_OPC_ERR) ||
+ (status & VID_BC_MSK_SYNC) ||
+ (status & VID_BC_MSK_OF)) {
+
+ if (status & VID_BC_MSK_OPC_ERR) {
+ dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
+ VID_BC_MSK_OPC_ERR);
+ printk(KERN_WARNING "%s: video risc op code error\n",
+ dev->name);
+ cx23885_sram_channel_dump(dev,
+ &dev->sram_channels[SRAM_CH01]);
+ }
+
+ if (status & VID_BC_MSK_SYNC)
+ dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
+ "video lines miss-match\n",
+ VID_BC_MSK_SYNC);
+
+ if (status & VID_BC_MSK_OF)
+ dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
+ VID_BC_MSK_OF);
+
+ }
+
+ /* Video */
+ if (status & VID_BC_MSK_RISCI1) {
+ spin_lock(&dev->slock);
+ count = cx_read(VID_A_GPCNT);
+ cx23885_video_wakeup(dev, &dev->vidq, count);
+ spin_unlock(&dev->slock);
+ handled++;
+ }
+
+ /* Allow the VBI framework to process it's payload */
+ handled += cx23885_vbi_irq(dev, status);
+
+ return handled;
+}
+
+/* ----------------------------------------------------------- */
+/* exported stuff */
+
+static const struct v4l2_file_operations video_fops = {
+ .owner = THIS_MODULE,
+ .open = v4l2_fh_open,
+ .release = vb2_fop_release,
+ .read = vb2_fop_read,
+ .poll = vb2_fop_poll,
+ .unlocked_ioctl = video_ioctl2,
+ .mmap = vb2_fop_mmap,
+};
+
+static const struct v4l2_ioctl_ops video_ioctl_ops = {
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
+ .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
+ .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
+ .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
+ .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt,
+ .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt,
+ .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt,
+ .vidioc_reqbufs = vb2_ioctl_reqbufs,
+ .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
+ .vidioc_querybuf = vb2_ioctl_querybuf,
+ .vidioc_qbuf = vb2_ioctl_qbuf,
+ .vidioc_dqbuf = vb2_ioctl_dqbuf,
+ .vidioc_streamon = vb2_ioctl_streamon,
+ .vidioc_streamoff = vb2_ioctl_streamoff,
+ .vidioc_s_std = vidioc_s_std,
+ .vidioc_g_std = vidioc_g_std,
+ .vidioc_enum_input = vidioc_enum_input,
+ .vidioc_g_input = vidioc_g_input,
+ .vidioc_s_input = vidioc_s_input,
+ .vidioc_log_status = vidioc_log_status,
+ .vidioc_g_tuner = vidioc_g_tuner,
+ .vidioc_s_tuner = vidioc_s_tuner,
+ .vidioc_g_frequency = vidioc_g_frequency,
+ .vidioc_s_frequency = vidioc_s_frequency,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .vidioc_g_chip_info = cx23885_g_chip_info,
+ .vidioc_g_register = cx23885_g_register,
+ .vidioc_s_register = cx23885_s_register,
+#endif
+ .vidioc_enumaudio = vidioc_enum_audinput,
+ .vidioc_g_audio = vidioc_g_audinput,
+ .vidioc_s_audio = vidioc_s_audinput,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+static struct video_device cx23885_vbi_template;
+static struct video_device cx23885_video_template = {
+ .name = "cx23885-video",
+ .fops = &video_fops,
+ .ioctl_ops = &video_ioctl_ops,
+ .tvnorms = CX23885_NORMS,
+};
+
+void cx23885_video_unregister(struct cx23885_dev *dev)
+{
+ dprintk(1, "%s()\n", __func__);
+ cx23885_irq_remove(dev, 0x01);
+
+ if (dev->vbi_dev) {
+ if (video_is_registered(dev->vbi_dev))
+ video_unregister_device(dev->vbi_dev);
+ else
+ video_device_release(dev->vbi_dev);
+ dev->vbi_dev = NULL;
+ }
+ if (dev->video_dev) {
+ if (video_is_registered(dev->video_dev))
+ video_unregister_device(dev->video_dev);
+ else
+ video_device_release(dev->video_dev);
+ dev->video_dev = NULL;
+ }
+
+ if (dev->audio_dev)
+ cx23885_audio_unregister(dev);
+}
+
+int cx23885_video_register(struct cx23885_dev *dev)
+{
+ struct vb2_queue *q;
+ int err;
+
+ dprintk(1, "%s()\n", __func__);
+
+ /* Initialize VBI template */
+ cx23885_vbi_template = cx23885_video_template;
+ strcpy(cx23885_vbi_template.name, "cx23885-vbi");
+
+ dev->tvnorm = V4L2_STD_NTSC_M;
+ dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
+ dev->field = V4L2_FIELD_INTERLACED;
+ dev->width = 720;
+ dev->height = norm_maxh(dev->tvnorm);
+
+ /* init video dma queues */
+ INIT_LIST_HEAD(&dev->vidq.active);
+
+ /* init vbi dma queues */
+ INIT_LIST_HEAD(&dev->vbiq.active);
+
+ cx23885_irq_add_enable(dev, 0x01);
+
+ if ((TUNER_ABSENT != dev->tuner_type) &&
+ ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
+ struct v4l2_subdev *sd = NULL;
+
+ if (dev->tuner_addr)
+ sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
+ &dev->i2c_bus[dev->tuner_bus].i2c_adap,
+ "tuner", dev->tuner_addr, NULL);
+ else
+ sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
+ &dev->i2c_bus[dev->tuner_bus].i2c_adap,
+ "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
+ if (sd) {
+ struct tuner_setup tun_setup;
+
+ memset(&tun_setup, 0, sizeof(tun_setup));
+ tun_setup.mode_mask = T_ANALOG_TV;
+ tun_setup.type = dev->tuner_type;
+ tun_setup.addr = v4l2_i2c_subdev_addr(sd);
+ tun_setup.tuner_callback = cx23885_tuner_callback;
+
+ v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
+
+ if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
+ (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
+ struct xc2028_ctrl ctrl = {
+ .fname = "/*(DEBLOBBED)*/",
+ .max_len = 64
+ };
+ struct v4l2_priv_tun_config cfg = {
+ .tuner = dev->tuner_type,
+ .priv = &ctrl
+ };
+ v4l2_subdev_call(sd, tuner, s_config, &cfg);
+ }
+
+ if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
+ struct xc2028_ctrl ctrl = {
+ .fname = "/*(DEBLOBBED)*/",
+ .max_len = 64
+ };
+ struct v4l2_priv_tun_config cfg = {
+ .tuner = dev->tuner_type,
+ .priv = &ctrl
+ };
+ v4l2_subdev_call(sd, tuner, s_config, &cfg);
+ }
+ }
+ }
+
+ /* initial device configuration */
+ mutex_lock(&dev->lock);
+ cx23885_set_tvnorm(dev, dev->tvnorm);
+ cx23885_video_mux(dev, 0);
+ cx23885_audio_mux(dev, 0);
+ mutex_unlock(&dev->lock);
+
+ q = &dev->vb2_vidq;
+ q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
+ q->gfp_flags = GFP_DMA32;
+ q->min_buffers_needed = 2;
+ q->drv_priv = dev;
+ q->buf_struct_size = sizeof(struct cx23885_buffer);
+ q->ops = &cx23885_video_qops;
+ q->mem_ops = &vb2_dma_sg_memops;
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ q->lock = &dev->lock;
+
+ err = vb2_queue_init(q);
+ if (err < 0)
+ goto fail_unreg;
+
+ q = &dev->vb2_vbiq;
+ q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
+ q->gfp_flags = GFP_DMA32;
+ q->min_buffers_needed = 2;
+ q->drv_priv = dev;
+ q->buf_struct_size = sizeof(struct cx23885_buffer);
+ q->ops = &cx23885_vbi_qops;
+ q->mem_ops = &vb2_dma_sg_memops;
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ q->lock = &dev->lock;
+
+ err = vb2_queue_init(q);
+ if (err < 0)
+ goto fail_unreg;
+
+ /* register Video device */
+ dev->video_dev = cx23885_vdev_init(dev, dev->pci,
+ &cx23885_video_template, "video");
+ dev->video_dev->queue = &dev->vb2_vidq;
+ err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
+ video_nr[dev->nr]);
+ if (err < 0) {
+ printk(KERN_INFO "%s: can't register video device\n",
+ dev->name);
+ goto fail_unreg;
+ }
+ printk(KERN_INFO "%s: registered device %s [v4l2]\n",
+ dev->name, video_device_node_name(dev->video_dev));
+
+ /* register VBI device */
+ dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
+ &cx23885_vbi_template, "vbi");
+ dev->vbi_dev->queue = &dev->vb2_vbiq;
+ err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
+ vbi_nr[dev->nr]);
+ if (err < 0) {
+ printk(KERN_INFO "%s: can't register vbi device\n",
+ dev->name);
+ goto fail_unreg;
+ }
+ printk(KERN_INFO "%s: registered device %s\n",
+ dev->name, video_device_node_name(dev->vbi_dev));
+
+ /* Register ALSA audio device */
+ dev->audio_dev = cx23885_audio_register(dev);
+
+ return 0;
+
+fail_unreg:
+ cx23885_video_unregister(dev);
+ return err;
+}