// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for the Conexant CX23885 PCIe bridge * * Copyright (c) 2007 Steven Toth */ #include "cx23885.h" #include "cx23885-video.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "cx23885-ioctl.h" #include "tuner-xc2028.h" #include MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); MODULE_AUTHOR("Steven Toth "); 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 pr_fmt("%s: video:" fmt), \ __func__, ##arg); \ } while (0) /* ------------------------------------------------------------------- */ /* static data */ #define FORMAT_FLAGS_PACKED 0x01 static struct cx23885_fmt formats[] = { { .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.sequence = q->count++; buf->vb.vb2_buf.timestamp = ktime_get_ns(); dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.vb2_buf.index, count, q->count); list_del(&buf->queue); vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); } int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) { struct v4l2_subdev_format format = { .which = V4L2_SUBDEV_FORMAT_ACTIVE, .format.code = MEDIA_BUS_FMT_FIXED, }; dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", __func__, (unsigned int)norm, v4l2_norm_to_name(norm)); if (dev->tvnorm == norm) return 0; 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; dev->width = 720; dev->height = norm_maxh(norm); dev->field = V4L2_FIELD_INTERLACED; call_all(dev, video, s_std, norm); format.format.width = dev->width; format.format.height = dev->height; format.format.field = dev->field; call_all(dev, pad, set_fmt, NULL, &format); 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) pr_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_HVR1265_K4) || (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC) || (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_DVB) || (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || (dev->board == CX23885_BOARD_HAUPPAUGE_HVR5525) || (dev->board == CX23885_BOARD_MYGICA_X8507) || (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) || (dev->board == CX23885_BOARD_VIEWCAST_260E) || (dev->board == CX23885_BOARD_VIEWCAST_460E) || (dev->board == CX23885_BOARD_AVERMEDIA_CE310B)) { /* 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, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], struct device *alloc_devs[]) { struct cx23885_dev *dev = q->drv_priv; *num_planes = 1; sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3; return 0; } static int buffer_prepare(struct vb2_buffer *vb) { int ret; struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct cx23885_dev *dev = vb->vb2_queue->drv_priv; struct cx23885_buffer *buf = container_of(vbuf, 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: ret = cx23885_risc_buffer(dev->pci, &buf->risc, sgt->sgl, 0, UNSET, buf->bpl, 0, dev->height); break; case V4L2_FIELD_BOTTOM: ret = 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; } ret = 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: ret = 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: ret = cx23885_risc_buffer(dev->pci, &buf->risc, sgt->sgl, buf->bpl * (dev->height >> 1), 0, buf->bpl, 0, dev->height >> 1); break; default: return -EINVAL; /* should not happen */ } dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp 0x%08x - dma=0x%08lx\n", buf, buf->vb.vb2_buf.index, dev->width, dev->height, dev->fmt->depth, dev->fmt->fourcc, (unsigned long)buf->risc.dma); return ret; } static void buffer_finish(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct cx23885_buffer *buf = container_of(vbuf, 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 vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct cx23885_dev *dev = vb->vb2_queue->drv_priv; struct cx23885_buffer *buf = container_of(vbuf, 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.vb2_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.vb2_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, VB2_BUF_STATE_ERROR); } spin_unlock_irqrestore(&dev->slock, flags); } static const 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 = 720; 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_subdev_format format = { .which = V4L2_SUBDEV_FORMAT_ACTIVE, }; 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(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED); call_all(dev, pad, set_fmt, NULL, &format); v4l2_fill_pix_format(&f->fmt.pix, &format.format); /* set_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); strscpy(cap->driver, "cx23885", sizeof(cap->driver)); strscpy(cap->card, cx23885_boards[dev->board].name, sizeof(cap->card)); sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS; switch (dev->board) { /* i2c device tuners */ case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: case CX23885_BOARD_HAUPPAUGE_HVR5525: case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: cap->capabilities |= V4L2_CAP_TUNER; break; default: if (dev->tuner_type != TUNER_ABSENT) cap->capabilities |= V4L2_CAP_TUNER; break; } 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; f->pixelformat = formats[f->index].fourcc; return 0; } static int vidioc_g_pixelaspect(struct file *file, void *priv, int type, struct v4l2_fract *f) { struct cx23885_dev *dev = video_drvdata(file); bool is_50hz = dev->tvnorm & V4L2_STD_625_50; if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; f->numerator = is_50hz ? 54 : 11; f->denominator = is_50hz ? 59 : 10; return 0; } static int vidioc_g_selection(struct file *file, void *fh, struct v4l2_selection *sel) { struct cx23885_dev *dev = video_drvdata(file); if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; switch (sel->target) { case V4L2_SEL_TGT_CROP_BOUNDS: case V4L2_SEL_TGT_CROP_DEFAULT: sel->r.top = 0; sel->r.left = 0; sel->r.width = 720; sel->r.height = norm_maxh(dev->tvnorm); break; default: return -EINVAL; } 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; strscpy(i->name, iname[INPUT(n)->type], sizeof(i->name)); 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) { 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; strscpy(i->name, iname[n], sizeof(i->name)); 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); switch (dev->board) { /* i2c device tuners */ case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: case CX23885_BOARD_HAUPPAUGE_HVR5525: case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: break; default: if (dev->tuner_type == TUNER_ABSENT) return -EINVAL; break; } if (0 != t->index) return -EINVAL; strscpy(t->name, "Television", sizeof(t->name)); 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); switch (dev->board) { /* i2c device tuners */ case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: case CX23885_BOARD_HAUPPAUGE_HVR5525: case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: break; default: if (dev->tuner_type == TUNER_ABSENT) return -EINVAL; break; } 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); switch (dev->board) { /* i2c device tuners */ case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: case CX23885_BOARD_HAUPPAUGE_HVR5525: case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: break; default: if (dev->tuner_type == TUNER_ABSENT) return -EINVAL; break; } 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; switch (dev->board) { /* i2c device tuners */ case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: case CX23885_BOARD_HAUPPAUGE_HVR5525: case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: break; default: if (dev->tuner_type == TUNER_ABSENT) return -EINVAL; break; } 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) || (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) || (dev->board == CX23885_BOARD_HAUPPAUGE_HVR5525) || (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_DVB) || (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC)) 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, ¶ms); } else pr_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_HVR1265_K4: case CX23885_BOARD_HAUPPAUGE_HVR1850: case CX23885_BOARD_HAUPPAUGE_HVR5525: case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: 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); pr_warn("%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_g_pixelaspect = vidioc_g_pixelaspect, .vidioc_g_selection = vidioc_g_selection, .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; strscpy(cx23885_vbi_template.name, "cx23885-vbi", sizeof(cx23885_vbi_template.name)); 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 = XC2028_DEFAULT_FIRMWARE, .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 = "xc3028L-v36.fw", .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; q->dev = &dev->pci->dev; 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; q->dev = &dev->pci->dev; 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; dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO | V4L2_CAP_VIDEO_CAPTURE; switch (dev->board) { /* i2c device tuners */ case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: case CX23885_BOARD_HAUPPAUGE_HVR5525: case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: dev->video_dev->device_caps |= V4L2_CAP_TUNER; break; default: if (dev->tuner_type != TUNER_ABSENT) dev->video_dev->device_caps |= V4L2_CAP_TUNER; } err = video_register_device(dev->video_dev, VFL_TYPE_VIDEO, video_nr[dev->nr]); if (err < 0) { pr_info("%s: can't register video device\n", dev->name); goto fail_unreg; } pr_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; dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE; switch (dev->board) { /* i2c device tuners */ case CX23885_BOARD_HAUPPAUGE_HVR1265_K4: case CX23885_BOARD_HAUPPAUGE_HVR5525: case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB: case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC: dev->vbi_dev->device_caps |= V4L2_CAP_TUNER; break; default: if (dev->tuner_type != TUNER_ABSENT) dev->vbi_dev->device_caps |= V4L2_CAP_TUNER; } err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, vbi_nr[dev->nr]); if (err < 0) { pr_info("%s: can't register vbi device\n", dev->name); goto fail_unreg; } pr_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; }