From 725b7f30463ab54b453a7113e7fb7148cfe636a2 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 15 Dec 2014 14:30:02 -0300 Subject: [PATCH] [media] rtl2832_sdr: rename state variable from 's' to 'dev' 'dev' sounds better than 's' for such variable. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/rtl2832_sdr.c | 858 +++++++++++----------- 1 file changed, 429 insertions(+), 429 deletions(-) diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c index 2896b47c29d8..3af869c5497d 100644 --- a/drivers/media/dvb-frontends/rtl2832_sdr.c +++ b/drivers/media/dvb-frontends/rtl2832_sdr.c @@ -107,7 +107,7 @@ struct rtl2832_sdr_frame_buf { struct list_head list; }; -struct rtl2832_sdr_state { +struct rtl2832_sdr_dev { #define POWER_ON (1 << 1) #define URB_BUF (1 << 2) unsigned long flags; @@ -161,7 +161,7 @@ struct rtl2832_sdr_state { }; /* write multiple hardware registers */ -static int rtl2832_sdr_wr(struct rtl2832_sdr_state *s, u8 reg, const u8 *val, +static int rtl2832_sdr_wr(struct rtl2832_sdr_dev *dev, u8 reg, const u8 *val, int len) { int ret; @@ -170,7 +170,7 @@ static int rtl2832_sdr_wr(struct rtl2832_sdr_state *s, u8 reg, const u8 *val, u8 buf[MAX_WR_XFER_LEN]; struct i2c_msg msg[1] = { { - .addr = s->cfg->i2c_addr, + .addr = dev->cfg->i2c_addr, .flags = 0, .len = 1 + len, .buf = buf, @@ -183,11 +183,11 @@ static int rtl2832_sdr_wr(struct rtl2832_sdr_state *s, u8 reg, const u8 *val, buf[0] = reg; memcpy(&buf[1], val, len); - ret = i2c_transfer(s->i2c, msg, 1); + ret = i2c_transfer(dev->i2c, msg, 1); if (ret == 1) { ret = 0; } else { - dev_err(&s->i2c->dev, + dev_err(&dev->i2c->dev, "%s: I2C wr failed=%d reg=%02x len=%d\n", KBUILD_MODNAME, ret, reg, len); ret = -EREMOTEIO; @@ -196,28 +196,28 @@ static int rtl2832_sdr_wr(struct rtl2832_sdr_state *s, u8 reg, const u8 *val, } /* read multiple hardware registers */ -static int rtl2832_sdr_rd(struct rtl2832_sdr_state *s, u8 reg, u8 *val, int len) +static int rtl2832_sdr_rd(struct rtl2832_sdr_dev *dev, u8 reg, u8 *val, int len) { int ret; struct i2c_msg msg[2] = { { - .addr = s->cfg->i2c_addr, + .addr = dev->cfg->i2c_addr, .flags = 0, .len = 1, .buf = ®, }, { - .addr = s->cfg->i2c_addr, + .addr = dev->cfg->i2c_addr, .flags = I2C_M_RD, .len = len, .buf = val, } }; - ret = i2c_transfer(s->i2c, msg, 2); + ret = i2c_transfer(dev->i2c, msg, 2); if (ret == 2) { ret = 0; } else { - dev_err(&s->i2c->dev, + dev_err(&dev->i2c->dev, "%s: I2C rd failed=%d reg=%02x len=%d\n", KBUILD_MODNAME, ret, reg, len); ret = -EREMOTEIO; @@ -226,7 +226,7 @@ static int rtl2832_sdr_rd(struct rtl2832_sdr_state *s, u8 reg, u8 *val, int len) } /* write multiple registers */ -static int rtl2832_sdr_wr_regs(struct rtl2832_sdr_state *s, u16 reg, +static int rtl2832_sdr_wr_regs(struct rtl2832_sdr_dev *dev, u16 reg, const u8 *val, int len) { int ret; @@ -234,19 +234,19 @@ static int rtl2832_sdr_wr_regs(struct rtl2832_sdr_state *s, u16 reg, u8 bank = (reg >> 8) & 0xff; /* switch bank if needed */ - if (bank != s->bank) { - ret = rtl2832_sdr_wr(s, 0x00, &bank, 1); + if (bank != dev->bank) { + ret = rtl2832_sdr_wr(dev, 0x00, &bank, 1); if (ret) return ret; - s->bank = bank; + dev->bank = bank; } - return rtl2832_sdr_wr(s, reg2, val, len); + return rtl2832_sdr_wr(dev, reg2, val, len); } /* read multiple registers */ -static int rtl2832_sdr_rd_regs(struct rtl2832_sdr_state *s, u16 reg, u8 *val, +static int rtl2832_sdr_rd_regs(struct rtl2832_sdr_dev *dev, u16 reg, u8 *val, int len) { int ret; @@ -254,33 +254,33 @@ static int rtl2832_sdr_rd_regs(struct rtl2832_sdr_state *s, u16 reg, u8 *val, u8 bank = (reg >> 8) & 0xff; /* switch bank if needed */ - if (bank != s->bank) { - ret = rtl2832_sdr_wr(s, 0x00, &bank, 1); + if (bank != dev->bank) { + ret = rtl2832_sdr_wr(dev, 0x00, &bank, 1); if (ret) return ret; - s->bank = bank; + dev->bank = bank; } - return rtl2832_sdr_rd(s, reg2, val, len); + return rtl2832_sdr_rd(dev, reg2, val, len); } /* write single register */ -static int rtl2832_sdr_wr_reg(struct rtl2832_sdr_state *s, u16 reg, u8 val) +static int rtl2832_sdr_wr_reg(struct rtl2832_sdr_dev *dev, u16 reg, u8 val) { - return rtl2832_sdr_wr_regs(s, reg, &val, 1); + return rtl2832_sdr_wr_regs(dev, reg, &val, 1); } #if 0 /* read single register */ -static int rtl2832_sdr_rd_reg(struct rtl2832_sdr_state *s, u16 reg, u8 *val) +static int rtl2832_sdr_rd_reg(struct rtl2832_sdr_dev *dev, u16 reg, u8 *val) { - return rtl2832_sdr_rd_regs(s, reg, val, 1); + return rtl2832_sdr_rd_regs(dev, reg, val, 1); } #endif /* write single register with mask */ -static int rtl2832_sdr_wr_reg_mask(struct rtl2832_sdr_state *s, u16 reg, +static int rtl2832_sdr_wr_reg_mask(struct rtl2832_sdr_dev *dev, u16 reg, u8 val, u8 mask) { int ret; @@ -288,7 +288,7 @@ static int rtl2832_sdr_wr_reg_mask(struct rtl2832_sdr_state *s, u16 reg, /* no need for read if whole reg is written */ if (mask != 0xff) { - ret = rtl2832_sdr_rd_regs(s, reg, &tmp, 1); + ret = rtl2832_sdr_rd_regs(dev, reg, &tmp, 1); if (ret) return ret; @@ -297,18 +297,18 @@ static int rtl2832_sdr_wr_reg_mask(struct rtl2832_sdr_state *s, u16 reg, val |= tmp; } - return rtl2832_sdr_wr_regs(s, reg, &val, 1); + return rtl2832_sdr_wr_regs(dev, reg, &val, 1); } #if 0 /* read single register with mask */ -static int rtl2832_sdr_rd_reg_mask(struct rtl2832_sdr_state *s, u16 reg, +static int rtl2832_sdr_rd_reg_mask(struct rtl2832_sdr_dev *dev, u16 reg, u8 *val, u8 mask) { int ret, i; u8 tmp; - ret = rtl2832_sdr_rd_regs(s, reg, &tmp, 1); + ret = rtl2832_sdr_rd_regs(dev, reg, &tmp, 1); if (ret) return ret; @@ -327,33 +327,33 @@ static int rtl2832_sdr_rd_reg_mask(struct rtl2832_sdr_state *s, u16 reg, /* Private functions */ static struct rtl2832_sdr_frame_buf *rtl2832_sdr_get_next_fill_buf( - struct rtl2832_sdr_state *s) + struct rtl2832_sdr_dev *dev) { unsigned long flags; struct rtl2832_sdr_frame_buf *buf = NULL; - spin_lock_irqsave(&s->queued_bufs_lock, flags); - if (list_empty(&s->queued_bufs)) + spin_lock_irqsave(&dev->queued_bufs_lock, flags); + if (list_empty(&dev->queued_bufs)) goto leave; - buf = list_entry(s->queued_bufs.next, + buf = list_entry(dev->queued_bufs.next, struct rtl2832_sdr_frame_buf, list); list_del(&buf->list); leave: - spin_unlock_irqrestore(&s->queued_bufs_lock, flags); + spin_unlock_irqrestore(&dev->queued_bufs_lock, flags); return buf; } -static unsigned int rtl2832_sdr_convert_stream(struct rtl2832_sdr_state *s, +static unsigned int rtl2832_sdr_convert_stream(struct rtl2832_sdr_dev *dev, void *dst, const u8 *src, unsigned int src_len) { unsigned int dst_len; - if (s->pixelformat == V4L2_SDR_FMT_CU8) { + if (dev->pixelformat == V4L2_SDR_FMT_CU8) { /* native stream, no need to convert */ memcpy(dst, src, src_len); dst_len = src_len; - } else if (s->pixelformat == V4L2_SDR_FMT_CU16LE) { + } else if (dev->pixelformat == V4L2_SDR_FMT_CU16LE) { /* convert u8 to u16 */ unsigned int i; u16 *u16dst = dst; @@ -366,22 +366,22 @@ static unsigned int rtl2832_sdr_convert_stream(struct rtl2832_sdr_state *s, } /* calculate sample rate and output it in 10 seconds intervals */ - if (unlikely(time_is_before_jiffies(s->jiffies_next))) { + if (unlikely(time_is_before_jiffies(dev->jiffies_next))) { #define MSECS 10000UL unsigned int msecs = jiffies_to_msecs(jiffies - - s->jiffies_next + msecs_to_jiffies(MSECS)); - unsigned int samples = s->sample - s->sample_measured; + dev->jiffies_next + msecs_to_jiffies(MSECS)); + unsigned int samples = dev->sample - dev->sample_measured; - s->jiffies_next = jiffies + msecs_to_jiffies(MSECS); - s->sample_measured = s->sample; - dev_dbg(&s->udev->dev, + dev->jiffies_next = jiffies + msecs_to_jiffies(MSECS); + dev->sample_measured = dev->sample; + dev_dbg(&dev->udev->dev, "slen=%u samples=%u msecs=%u sample rate=%lu\n", src_len, samples, msecs, samples * 1000UL / msecs); } /* total number of I+Q pairs */ - s->sample += src_len / 2; + dev->sample += src_len / 2; return dst_len; } @@ -392,10 +392,10 @@ static unsigned int rtl2832_sdr_convert_stream(struct rtl2832_sdr_state *s, */ static void rtl2832_sdr_urb_complete(struct urb *urb) { - struct rtl2832_sdr_state *s = urb->context; + struct rtl2832_sdr_dev *dev = urb->context; struct rtl2832_sdr_frame_buf *fbuf; - dev_dbg_ratelimited(&s->udev->dev, + dev_dbg_ratelimited(&dev->udev->dev, "status=%d length=%d/%d errors=%d\n", urb->status, urb->actual_length, urb->transfer_buffer_length, urb->error_count); @@ -409,7 +409,7 @@ static void rtl2832_sdr_urb_complete(struct urb *urb) case -ESHUTDOWN: return; default: /* error */ - dev_err_ratelimited(&s->udev->dev, "urb failed=%d\n", + dev_err_ratelimited(&dev->udev->dev, "urb failed=%d\n", urb->status); break; } @@ -418,190 +418,190 @@ static void rtl2832_sdr_urb_complete(struct urb *urb) void *ptr; unsigned int len; /* get free framebuffer */ - fbuf = rtl2832_sdr_get_next_fill_buf(s); + fbuf = rtl2832_sdr_get_next_fill_buf(dev); if (unlikely(fbuf == NULL)) { - s->vb_full++; - dev_notice_ratelimited(&s->udev->dev, + dev->vb_full++; + dev_notice_ratelimited(&dev->udev->dev, "videobuf is full, %d packets dropped\n", - s->vb_full); + dev->vb_full); goto skip; } /* fill framebuffer */ ptr = vb2_plane_vaddr(&fbuf->vb, 0); - len = rtl2832_sdr_convert_stream(s, ptr, urb->transfer_buffer, + len = rtl2832_sdr_convert_stream(dev, ptr, urb->transfer_buffer, urb->actual_length); vb2_set_plane_payload(&fbuf->vb, 0, len); v4l2_get_timestamp(&fbuf->vb.v4l2_buf.timestamp); - fbuf->vb.v4l2_buf.sequence = s->sequence++; + fbuf->vb.v4l2_buf.sequence = dev->sequence++; vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE); } skip: usb_submit_urb(urb, GFP_ATOMIC); } -static int rtl2832_sdr_kill_urbs(struct rtl2832_sdr_state *s) +static int rtl2832_sdr_kill_urbs(struct rtl2832_sdr_dev *dev) { int i; - for (i = s->urbs_submitted - 1; i >= 0; i--) { - dev_dbg(&s->udev->dev, "kill urb=%d\n", i); + for (i = dev->urbs_submitted - 1; i >= 0; i--) { + dev_dbg(&dev->udev->dev, "kill urb=%d\n", i); /* stop the URB */ - usb_kill_urb(s->urb_list[i]); + usb_kill_urb(dev->urb_list[i]); } - s->urbs_submitted = 0; + dev->urbs_submitted = 0; return 0; } -static int rtl2832_sdr_submit_urbs(struct rtl2832_sdr_state *s) +static int rtl2832_sdr_submit_urbs(struct rtl2832_sdr_dev *dev) { int i, ret; - for (i = 0; i < s->urbs_initialized; i++) { - dev_dbg(&s->udev->dev, "submit urb=%d\n", i); - ret = usb_submit_urb(s->urb_list[i], GFP_ATOMIC); + for (i = 0; i < dev->urbs_initialized; i++) { + dev_dbg(&dev->udev->dev, "submit urb=%d\n", i); + ret = usb_submit_urb(dev->urb_list[i], GFP_ATOMIC); if (ret) { - dev_err(&s->udev->dev, + dev_err(&dev->udev->dev, "Could not submit urb no. %d - get them all back\n", i); - rtl2832_sdr_kill_urbs(s); + rtl2832_sdr_kill_urbs(dev); return ret; } - s->urbs_submitted++; + dev->urbs_submitted++; } return 0; } -static int rtl2832_sdr_free_stream_bufs(struct rtl2832_sdr_state *s) +static int rtl2832_sdr_free_stream_bufs(struct rtl2832_sdr_dev *dev) { - if (s->flags & USB_STATE_URB_BUF) { - while (s->buf_num) { - s->buf_num--; - dev_dbg(&s->udev->dev, "free buf=%d\n", s->buf_num); - usb_free_coherent(s->udev, s->buf_size, - s->buf_list[s->buf_num], - s->dma_addr[s->buf_num]); + if (dev->flags & USB_STATE_URB_BUF) { + while (dev->buf_num) { + dev->buf_num--; + dev_dbg(&dev->udev->dev, "free buf=%d\n", dev->buf_num); + usb_free_coherent(dev->udev, dev->buf_size, + dev->buf_list[dev->buf_num], + dev->dma_addr[dev->buf_num]); } } - s->flags &= ~USB_STATE_URB_BUF; + dev->flags &= ~USB_STATE_URB_BUF; return 0; } -static int rtl2832_sdr_alloc_stream_bufs(struct rtl2832_sdr_state *s) +static int rtl2832_sdr_alloc_stream_bufs(struct rtl2832_sdr_dev *dev) { - s->buf_num = 0; - s->buf_size = BULK_BUFFER_SIZE; + dev->buf_num = 0; + dev->buf_size = BULK_BUFFER_SIZE; - dev_dbg(&s->udev->dev, "all in all I will use %u bytes for streaming\n", + dev_dbg(&dev->udev->dev, "all in all I will use %u bytes for streaming\n", MAX_BULK_BUFS * BULK_BUFFER_SIZE); - for (s->buf_num = 0; s->buf_num < MAX_BULK_BUFS; s->buf_num++) { - s->buf_list[s->buf_num] = usb_alloc_coherent(s->udev, + for (dev->buf_num = 0; dev->buf_num < MAX_BULK_BUFS; dev->buf_num++) { + dev->buf_list[dev->buf_num] = usb_alloc_coherent(dev->udev, BULK_BUFFER_SIZE, GFP_ATOMIC, - &s->dma_addr[s->buf_num]); - if (!s->buf_list[s->buf_num]) { - dev_dbg(&s->udev->dev, "alloc buf=%d failed\n", - s->buf_num); - rtl2832_sdr_free_stream_bufs(s); + &dev->dma_addr[dev->buf_num]); + if (!dev->buf_list[dev->buf_num]) { + dev_dbg(&dev->udev->dev, "alloc buf=%d failed\n", + dev->buf_num); + rtl2832_sdr_free_stream_bufs(dev); return -ENOMEM; } - dev_dbg(&s->udev->dev, "alloc buf=%d %p (dma %llu)\n", - s->buf_num, s->buf_list[s->buf_num], - (long long)s->dma_addr[s->buf_num]); - s->flags |= USB_STATE_URB_BUF; + dev_dbg(&dev->udev->dev, "alloc buf=%d %p (dma %llu)\n", + dev->buf_num, dev->buf_list[dev->buf_num], + (long long)dev->dma_addr[dev->buf_num]); + dev->flags |= USB_STATE_URB_BUF; } return 0; } -static int rtl2832_sdr_free_urbs(struct rtl2832_sdr_state *s) +static int rtl2832_sdr_free_urbs(struct rtl2832_sdr_dev *dev) { int i; - rtl2832_sdr_kill_urbs(s); + rtl2832_sdr_kill_urbs(dev); - for (i = s->urbs_initialized - 1; i >= 0; i--) { - if (s->urb_list[i]) { - dev_dbg(&s->udev->dev, "free urb=%d\n", i); + for (i = dev->urbs_initialized - 1; i >= 0; i--) { + if (dev->urb_list[i]) { + dev_dbg(&dev->udev->dev, "free urb=%d\n", i); /* free the URBs */ - usb_free_urb(s->urb_list[i]); + usb_free_urb(dev->urb_list[i]); } } - s->urbs_initialized = 0; + dev->urbs_initialized = 0; return 0; } -static int rtl2832_sdr_alloc_urbs(struct rtl2832_sdr_state *s) +static int rtl2832_sdr_alloc_urbs(struct rtl2832_sdr_dev *dev) { int i, j; /* allocate the URBs */ for (i = 0; i < MAX_BULK_BUFS; i++) { - dev_dbg(&s->udev->dev, "alloc urb=%d\n", i); - s->urb_list[i] = usb_alloc_urb(0, GFP_ATOMIC); - if (!s->urb_list[i]) { - dev_dbg(&s->udev->dev, "failed\n"); + dev_dbg(&dev->udev->dev, "alloc urb=%d\n", i); + dev->urb_list[i] = usb_alloc_urb(0, GFP_ATOMIC); + if (!dev->urb_list[i]) { + dev_dbg(&dev->udev->dev, "failed\n"); for (j = 0; j < i; j++) - usb_free_urb(s->urb_list[j]); + usb_free_urb(dev->urb_list[j]); return -ENOMEM; } - usb_fill_bulk_urb(s->urb_list[i], - s->udev, - usb_rcvbulkpipe(s->udev, 0x81), - s->buf_list[i], + usb_fill_bulk_urb(dev->urb_list[i], + dev->udev, + usb_rcvbulkpipe(dev->udev, 0x81), + dev->buf_list[i], BULK_BUFFER_SIZE, - rtl2832_sdr_urb_complete, s); + rtl2832_sdr_urb_complete, dev); - s->urb_list[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP; - s->urb_list[i]->transfer_dma = s->dma_addr[i]; - s->urbs_initialized++; + dev->urb_list[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP; + dev->urb_list[i]->transfer_dma = dev->dma_addr[i]; + dev->urbs_initialized++; } return 0; } /* Must be called with vb_queue_lock hold */ -static void rtl2832_sdr_cleanup_queued_bufs(struct rtl2832_sdr_state *s) +static void rtl2832_sdr_cleanup_queued_bufs(struct rtl2832_sdr_dev *dev) { unsigned long flags; - dev_dbg(&s->udev->dev, "\n"); + dev_dbg(&dev->udev->dev, "\n"); - spin_lock_irqsave(&s->queued_bufs_lock, flags); - while (!list_empty(&s->queued_bufs)) { + spin_lock_irqsave(&dev->queued_bufs_lock, flags); + while (!list_empty(&dev->queued_bufs)) { struct rtl2832_sdr_frame_buf *buf; - buf = list_entry(s->queued_bufs.next, + buf = list_entry(dev->queued_bufs.next, struct rtl2832_sdr_frame_buf, list); list_del(&buf->list); vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); } - spin_unlock_irqrestore(&s->queued_bufs_lock, flags); + spin_unlock_irqrestore(&dev->queued_bufs_lock, flags); } /* The user yanked out the cable... */ static void rtl2832_sdr_release_sec(struct dvb_frontend *fe) { - struct rtl2832_sdr_state *s = fe->sec_priv; + struct rtl2832_sdr_dev *dev = fe->sec_priv; - dev_dbg(&s->udev->dev, "\n"); + dev_dbg(&dev->udev->dev, "\n"); - mutex_lock(&s->vb_queue_lock); - mutex_lock(&s->v4l2_lock); + mutex_lock(&dev->vb_queue_lock); + mutex_lock(&dev->v4l2_lock); /* No need to keep the urbs around after disconnection */ - s->udev = NULL; + dev->udev = NULL; - v4l2_device_disconnect(&s->v4l2_dev); - video_unregister_device(&s->vdev); - mutex_unlock(&s->v4l2_lock); - mutex_unlock(&s->vb_queue_lock); + v4l2_device_disconnect(&dev->v4l2_dev); + video_unregister_device(&dev->vdev); + mutex_unlock(&dev->v4l2_lock); + mutex_unlock(&dev->vb_queue_lock); - v4l2_device_put(&s->v4l2_dev); + v4l2_device_put(&dev->v4l2_dev); fe->sec_priv = NULL; } @@ -609,13 +609,13 @@ static void rtl2832_sdr_release_sec(struct dvb_frontend *fe) static int rtl2832_sdr_querycap(struct file *file, void *fh, struct v4l2_capability *cap) { - struct rtl2832_sdr_state *s = video_drvdata(file); + struct rtl2832_sdr_dev *dev = video_drvdata(file); - dev_dbg(&s->udev->dev, "\n"); + dev_dbg(&dev->udev->dev, "\n"); strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver)); - strlcpy(cap->card, s->vdev.name, sizeof(cap->card)); - usb_make_path(s->udev, cap->bus_info, sizeof(cap->bus_info)); + strlcpy(cap->card, dev->vdev.name, sizeof(cap->card)); + usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); cap->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_STREAMING | V4L2_CAP_READWRITE | V4L2_CAP_TUNER; cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; @@ -627,26 +627,26 @@ static int rtl2832_sdr_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq); + struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vq); - dev_dbg(&s->udev->dev, "nbuffers=%d\n", *nbuffers); + dev_dbg(&dev->udev->dev, "nbuffers=%d\n", *nbuffers); /* Need at least 8 buffers */ if (vq->num_buffers + *nbuffers < 8) *nbuffers = 8 - vq->num_buffers; *nplanes = 1; - sizes[0] = PAGE_ALIGN(s->buffersize); - dev_dbg(&s->udev->dev, "nbuffers=%d sizes[0]=%d\n", + sizes[0] = PAGE_ALIGN(dev->buffersize); + dev_dbg(&dev->udev->dev, "nbuffers=%d sizes[0]=%d\n", *nbuffers, sizes[0]); return 0; } static int rtl2832_sdr_buf_prepare(struct vb2_buffer *vb) { - struct rtl2832_sdr_state *s = vb2_get_drv_priv(vb->vb2_queue); + struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vb->vb2_queue); /* Don't allow queing new buffers after device disconnection */ - if (!s->udev) + if (!dev->udev) return -ENODEV; return 0; @@ -654,46 +654,46 @@ static int rtl2832_sdr_buf_prepare(struct vb2_buffer *vb) static void rtl2832_sdr_buf_queue(struct vb2_buffer *vb) { - struct rtl2832_sdr_state *s = vb2_get_drv_priv(vb->vb2_queue); + struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vb->vb2_queue); struct rtl2832_sdr_frame_buf *buf = container_of(vb, struct rtl2832_sdr_frame_buf, vb); unsigned long flags; /* Check the device has not disconnected between prep and queuing */ - if (!s->udev) { + if (!dev->udev) { vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); return; } - spin_lock_irqsave(&s->queued_bufs_lock, flags); - list_add_tail(&buf->list, &s->queued_bufs); - spin_unlock_irqrestore(&s->queued_bufs_lock, flags); + spin_lock_irqsave(&dev->queued_bufs_lock, flags); + list_add_tail(&buf->list, &dev->queued_bufs); + spin_unlock_irqrestore(&dev->queued_bufs_lock, flags); } -static int rtl2832_sdr_set_adc(struct rtl2832_sdr_state *s) +static int rtl2832_sdr_set_adc(struct rtl2832_sdr_dev *dev) { - struct dvb_frontend *fe = s->fe; + struct dvb_frontend *fe = dev->fe; int ret; unsigned int f_sr, f_if; u8 buf[4], u8tmp1, u8tmp2; u64 u64tmp; u32 u32tmp; - dev_dbg(&s->udev->dev, "f_adc=%u\n", s->f_adc); + dev_dbg(&dev->udev->dev, "f_adc=%u\n", dev->f_adc); - if (!test_bit(POWER_ON, &s->flags)) + if (!test_bit(POWER_ON, &dev->flags)) return 0; - if (s->f_adc == 0) + if (dev->f_adc == 0) return 0; - f_sr = s->f_adc; + f_sr = dev->f_adc; - ret = rtl2832_sdr_wr_regs(s, 0x13e, "\x00\x00", 2); + ret = rtl2832_sdr_wr_regs(dev, 0x13e, "\x00\x00", 2); if (ret) goto err; - ret = rtl2832_sdr_wr_regs(s, 0x115, "\x00\x00\x00\x00", 4); + ret = rtl2832_sdr_wr_regs(dev, 0x115, "\x00\x00\x00\x00", 4); if (ret) goto err; @@ -707,19 +707,19 @@ static int rtl2832_sdr_set_adc(struct rtl2832_sdr_state *s) goto err; /* program IF */ - u64tmp = f_if % s->cfg->xtal; + u64tmp = f_if % dev->cfg->xtal; u64tmp *= 0x400000; - u64tmp = div_u64(u64tmp, s->cfg->xtal); + u64tmp = div_u64(u64tmp, dev->cfg->xtal); u64tmp = -u64tmp; u32tmp = u64tmp & 0x3fffff; - dev_dbg(&s->udev->dev, "f_if=%u if_ctl=%08x\n", f_if, u32tmp); + dev_dbg(&dev->udev->dev, "f_if=%u if_ctl=%08x\n", f_if, u32tmp); buf[0] = (u32tmp >> 16) & 0xff; buf[1] = (u32tmp >> 8) & 0xff; buf[2] = (u32tmp >> 0) & 0xff; - ret = rtl2832_sdr_wr_regs(s, 0x119, buf, 3); + ret = rtl2832_sdr_wr_regs(dev, 0x119, buf, 3); if (ret) goto err; @@ -733,208 +733,208 @@ static int rtl2832_sdr_set_adc(struct rtl2832_sdr_state *s) u8tmp2 = 0xcd; /* enable ADC I, ADC Q */ } - ret = rtl2832_sdr_wr_reg(s, 0x1b1, u8tmp1); + ret = rtl2832_sdr_wr_reg(dev, 0x1b1, u8tmp1); if (ret) goto err; - ret = rtl2832_sdr_wr_reg(s, 0x008, u8tmp2); + ret = rtl2832_sdr_wr_reg(dev, 0x008, u8tmp2); if (ret) goto err; - ret = rtl2832_sdr_wr_reg(s, 0x006, 0x80); + ret = rtl2832_sdr_wr_reg(dev, 0x006, 0x80); if (ret) goto err; /* program sampling rate (resampling down) */ - u32tmp = div_u64(s->cfg->xtal * 0x400000ULL, f_sr * 4U); + u32tmp = div_u64(dev->cfg->xtal * 0x400000ULL, f_sr * 4U); u32tmp <<= 2; buf[0] = (u32tmp >> 24) & 0xff; buf[1] = (u32tmp >> 16) & 0xff; buf[2] = (u32tmp >> 8) & 0xff; buf[3] = (u32tmp >> 0) & 0xff; - ret = rtl2832_sdr_wr_regs(s, 0x19f, buf, 4); + ret = rtl2832_sdr_wr_regs(dev, 0x19f, buf, 4); if (ret) goto err; /* low-pass filter */ - ret = rtl2832_sdr_wr_regs(s, 0x11c, + ret = rtl2832_sdr_wr_regs(dev, 0x11c, "\xca\xdc\xd7\xd8\xe0\xf2\x0e\x35\x06\x50\x9c\x0d\x71\x11\x14\x71\x74\x19\x41\xa5", 20); if (ret) goto err; - ret = rtl2832_sdr_wr_regs(s, 0x017, "\x11\x10", 2); + ret = rtl2832_sdr_wr_regs(dev, 0x017, "\x11\x10", 2); if (ret) goto err; /* mode */ - ret = rtl2832_sdr_wr_regs(s, 0x019, "\x05", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x019, "\x05", 1); if (ret) goto err; - ret = rtl2832_sdr_wr_regs(s, 0x01a, "\x1b\x16\x0d\x06\x01\xff", 6); + ret = rtl2832_sdr_wr_regs(dev, 0x01a, "\x1b\x16\x0d\x06\x01\xff", 6); if (ret) goto err; /* FSM */ - ret = rtl2832_sdr_wr_regs(s, 0x192, "\x00\xf0\x0f", 3); + ret = rtl2832_sdr_wr_regs(dev, 0x192, "\x00\xf0\x0f", 3); if (ret) goto err; /* PID filter */ - ret = rtl2832_sdr_wr_regs(s, 0x061, "\x60", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x061, "\x60", 1); if (ret) goto err; /* used RF tuner based settings */ - switch (s->cfg->tuner) { + switch (dev->cfg->tuner) { case RTL2832_TUNER_E4000: - ret = rtl2832_sdr_wr_regs(s, 0x112, "\x5a", 1); - ret = rtl2832_sdr_wr_regs(s, 0x102, "\x40", 1); - ret = rtl2832_sdr_wr_regs(s, 0x103, "\x5a", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c7, "\x30", 1); - ret = rtl2832_sdr_wr_regs(s, 0x104, "\xd0", 1); - ret = rtl2832_sdr_wr_regs(s, 0x105, "\xbe", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c8, "\x18", 1); - ret = rtl2832_sdr_wr_regs(s, 0x106, "\x35", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c9, "\x21", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1ca, "\x21", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1cb, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x107, "\x40", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1cd, "\x10", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1ce, "\x10", 1); - ret = rtl2832_sdr_wr_regs(s, 0x108, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x109, "\x7f", 1); - ret = rtl2832_sdr_wr_regs(s, 0x10a, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x10b, "\x7f", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x011, "\xd4", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1e5, "\xf0", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1d9, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1db, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1dd, "\x14", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1de, "\xec", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1d8, "\x0c", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1e6, "\x02", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1d7, "\x09", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00d, "\x83", 1); - ret = rtl2832_sdr_wr_regs(s, 0x010, "\x49", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00d, "\x87", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00d, "\x85", 1); - ret = rtl2832_sdr_wr_regs(s, 0x013, "\x02", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x112, "\x5a", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x102, "\x40", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x103, "\x5a", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1c7, "\x30", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x104, "\xd0", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x105, "\xbe", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1c8, "\x18", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x106, "\x35", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1c9, "\x21", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1ca, "\x21", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1cb, "\x00", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x107, "\x40", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1cd, "\x10", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1ce, "\x10", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x108, "\x80", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x109, "\x7f", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x10a, "\x80", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x10b, "\x7f", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x011, "\xd4", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1e5, "\xf0", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1d9, "\x00", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1db, "\x00", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1dd, "\x14", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1de, "\xec", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1d8, "\x0c", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1e6, "\x02", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1d7, "\x09", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x00d, "\x83", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x010, "\x49", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x00d, "\x87", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x00d, "\x85", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x013, "\x02", 1); break; case RTL2832_TUNER_FC0012: case RTL2832_TUNER_FC0013: - ret = rtl2832_sdr_wr_regs(s, 0x112, "\x5a", 1); - ret = rtl2832_sdr_wr_regs(s, 0x102, "\x40", 1); - ret = rtl2832_sdr_wr_regs(s, 0x103, "\x5a", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c7, "\x2c", 1); - ret = rtl2832_sdr_wr_regs(s, 0x104, "\xcc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x105, "\xbe", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c8, "\x16", 1); - ret = rtl2832_sdr_wr_regs(s, 0x106, "\x35", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c9, "\x21", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1ca, "\x21", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1cb, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x107, "\x40", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1cd, "\x10", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1ce, "\x10", 1); - ret = rtl2832_sdr_wr_regs(s, 0x108, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x109, "\x7f", 1); - ret = rtl2832_sdr_wr_regs(s, 0x10a, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x10b, "\x7f", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x011, "\xe9\xbf", 2); - ret = rtl2832_sdr_wr_regs(s, 0x1e5, "\xf0", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1d9, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1db, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1dd, "\x11", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1de, "\xef", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1d8, "\x0c", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1e6, "\x02", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1d7, "\x09", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x112, "\x5a", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x102, "\x40", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x103, "\x5a", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1c7, "\x2c", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x104, "\xcc", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x105, "\xbe", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1c8, "\x16", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x106, "\x35", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1c9, "\x21", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1ca, "\x21", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1cb, "\x00", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x107, "\x40", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1cd, "\x10", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1ce, "\x10", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x108, "\x80", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x109, "\x7f", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x10a, "\x80", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x10b, "\x7f", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x011, "\xe9\xbf", 2); + ret = rtl2832_sdr_wr_regs(dev, 0x1e5, "\xf0", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1d9, "\x00", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1db, "\x00", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1dd, "\x11", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1de, "\xef", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1d8, "\x0c", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1e6, "\x02", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1d7, "\x09", 1); break; case RTL2832_TUNER_R820T: - ret = rtl2832_sdr_wr_regs(s, 0x112, "\x5a", 1); - ret = rtl2832_sdr_wr_regs(s, 0x102, "\x40", 1); - ret = rtl2832_sdr_wr_regs(s, 0x115, "\x01", 1); - ret = rtl2832_sdr_wr_regs(s, 0x103, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c7, "\x24", 1); - ret = rtl2832_sdr_wr_regs(s, 0x104, "\xcc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x105, "\xbe", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c8, "\x14", 1); - ret = rtl2832_sdr_wr_regs(s, 0x106, "\x35", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c9, "\x21", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1ca, "\x21", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1cb, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x107, "\x40", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1cd, "\x10", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1ce, "\x10", 1); - ret = rtl2832_sdr_wr_regs(s, 0x108, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x109, "\x7f", 1); - ret = rtl2832_sdr_wr_regs(s, 0x10a, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x10b, "\x7f", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x011, "\xf4", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x112, "\x5a", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x102, "\x40", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x115, "\x01", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x103, "\x80", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1c7, "\x24", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x104, "\xcc", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x105, "\xbe", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1c8, "\x14", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x106, "\x35", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1c9, "\x21", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1ca, "\x21", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1cb, "\x00", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x107, "\x40", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1cd, "\x10", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x1ce, "\x10", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x108, "\x80", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x109, "\x7f", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x10a, "\x80", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x10b, "\x7f", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x00e, "\xfc", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x011, "\xf4", 1); break; default: - dev_notice(&s->udev->dev, "Unsupported tuner\n"); + dev_notice(&dev->udev->dev, "Unsupported tuner\n"); } /* software reset */ - ret = rtl2832_sdr_wr_reg_mask(s, 0x101, 0x04, 0x04); + ret = rtl2832_sdr_wr_reg_mask(dev, 0x101, 0x04, 0x04); if (ret) goto err; - ret = rtl2832_sdr_wr_reg_mask(s, 0x101, 0x00, 0x04); + ret = rtl2832_sdr_wr_reg_mask(dev, 0x101, 0x00, 0x04); if (ret) goto err; err: return ret; }; -static void rtl2832_sdr_unset_adc(struct rtl2832_sdr_state *s) +static void rtl2832_sdr_unset_adc(struct rtl2832_sdr_dev *dev) { int ret; - dev_dbg(&s->udev->dev, "\n"); + dev_dbg(&dev->udev->dev, "\n"); /* PID filter */ - ret = rtl2832_sdr_wr_regs(s, 0x061, "\xe0", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x061, "\xe0", 1); if (ret) goto err; /* mode */ - ret = rtl2832_sdr_wr_regs(s, 0x019, "\x20", 1); + ret = rtl2832_sdr_wr_regs(dev, 0x019, "\x20", 1); if (ret) goto err; - ret = rtl2832_sdr_wr_regs(s, 0x017, "\x11\x10", 2); + ret = rtl2832_sdr_wr_regs(dev, 0x017, "\x11\x10", 2); if (ret) goto err; /* FSM */ - ret = rtl2832_sdr_wr_regs(s, 0x192, "\x00\x0f\xff", 3); + ret = rtl2832_sdr_wr_regs(dev, 0x192, "\x00\x0f\xff", 3); if (ret) goto err; - ret = rtl2832_sdr_wr_regs(s, 0x13e, "\x40\x00", 2); + ret = rtl2832_sdr_wr_regs(dev, 0x13e, "\x40\x00", 2); if (ret) goto err; - ret = rtl2832_sdr_wr_regs(s, 0x115, "\x06\x3f\xce\xcc", 4); + ret = rtl2832_sdr_wr_regs(dev, 0x115, "\x06\x3f\xce\xcc", 4); if (ret) goto err; err: return; }; -static int rtl2832_sdr_set_tuner_freq(struct rtl2832_sdr_state *s) +static int rtl2832_sdr_set_tuner_freq(struct rtl2832_sdr_dev *dev) { - struct dvb_frontend *fe = s->fe; + struct dvb_frontend *fe = dev->fe; struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct v4l2_ctrl *bandwidth_auto; struct v4l2_ctrl *bandwidth; @@ -942,29 +942,29 @@ static int rtl2832_sdr_set_tuner_freq(struct rtl2832_sdr_state *s) /* * tuner RF (Hz) */ - if (s->f_tuner == 0) + if (dev->f_tuner == 0) return 0; /* * bandwidth (Hz) */ - bandwidth_auto = v4l2_ctrl_find(&s->hdl, + bandwidth_auto = v4l2_ctrl_find(&dev->hdl, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO); - bandwidth = v4l2_ctrl_find(&s->hdl, V4L2_CID_RF_TUNER_BANDWIDTH); + bandwidth = v4l2_ctrl_find(&dev->hdl, V4L2_CID_RF_TUNER_BANDWIDTH); if (v4l2_ctrl_g_ctrl(bandwidth_auto)) { - c->bandwidth_hz = s->f_adc; - v4l2_ctrl_s_ctrl(bandwidth, s->f_adc); + c->bandwidth_hz = dev->f_adc; + v4l2_ctrl_s_ctrl(bandwidth, dev->f_adc); } else { c->bandwidth_hz = v4l2_ctrl_g_ctrl(bandwidth); } - c->frequency = s->f_tuner; + c->frequency = dev->f_tuner; c->delivery_system = SYS_DVBT; - dev_dbg(&s->udev->dev, "frequency=%u bandwidth=%d\n", + dev_dbg(&dev->udev->dev, "frequency=%u bandwidth=%d\n", c->frequency, c->bandwidth_hz); - if (!test_bit(POWER_ON, &s->flags)) + if (!test_bit(POWER_ON, &dev->flags)) return 0; if (fe->ops.tuner_ops.set_params) @@ -973,11 +973,11 @@ static int rtl2832_sdr_set_tuner_freq(struct rtl2832_sdr_state *s) return 0; }; -static int rtl2832_sdr_set_tuner(struct rtl2832_sdr_state *s) +static int rtl2832_sdr_set_tuner(struct rtl2832_sdr_dev *dev) { - struct dvb_frontend *fe = s->fe; + struct dvb_frontend *fe = dev->fe; - dev_dbg(&s->udev->dev, "\n"); + dev_dbg(&dev->udev->dev, "\n"); if (fe->ops.tuner_ops.init) fe->ops.tuner_ops.init(fe); @@ -985,11 +985,11 @@ static int rtl2832_sdr_set_tuner(struct rtl2832_sdr_state *s) return 0; }; -static void rtl2832_sdr_unset_tuner(struct rtl2832_sdr_state *s) +static void rtl2832_sdr_unset_tuner(struct rtl2832_sdr_dev *dev) { - struct dvb_frontend *fe = s->fe; + struct dvb_frontend *fe = dev->fe; - dev_dbg(&s->udev->dev, "\n"); + dev_dbg(&dev->udev->dev, "\n"); if (fe->ops.tuner_ops.sleep) fe->ops.tuner_ops.sleep(fe); @@ -999,83 +999,83 @@ static void rtl2832_sdr_unset_tuner(struct rtl2832_sdr_state *s) static int rtl2832_sdr_start_streaming(struct vb2_queue *vq, unsigned int count) { - struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq); + struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vq); int ret; - dev_dbg(&s->udev->dev, "\n"); + dev_dbg(&dev->udev->dev, "\n"); - if (!s->udev) + if (!dev->udev) return -ENODEV; - if (mutex_lock_interruptible(&s->v4l2_lock)) + if (mutex_lock_interruptible(&dev->v4l2_lock)) return -ERESTARTSYS; - if (s->d->props->power_ctrl) - s->d->props->power_ctrl(s->d, 1); + if (dev->d->props->power_ctrl) + dev->d->props->power_ctrl(dev->d, 1); /* enable ADC */ - if (s->d->props->frontend_ctrl) - s->d->props->frontend_ctrl(s->fe, 1); + if (dev->d->props->frontend_ctrl) + dev->d->props->frontend_ctrl(dev->fe, 1); - set_bit(POWER_ON, &s->flags); + set_bit(POWER_ON, &dev->flags); - ret = rtl2832_sdr_set_tuner(s); + ret = rtl2832_sdr_set_tuner(dev); if (ret) goto err; - ret = rtl2832_sdr_set_tuner_freq(s); + ret = rtl2832_sdr_set_tuner_freq(dev); if (ret) goto err; - ret = rtl2832_sdr_set_adc(s); + ret = rtl2832_sdr_set_adc(dev); if (ret) goto err; - ret = rtl2832_sdr_alloc_stream_bufs(s); + ret = rtl2832_sdr_alloc_stream_bufs(dev); if (ret) goto err; - ret = rtl2832_sdr_alloc_urbs(s); + ret = rtl2832_sdr_alloc_urbs(dev); if (ret) goto err; - s->sequence = 0; + dev->sequence = 0; - ret = rtl2832_sdr_submit_urbs(s); + ret = rtl2832_sdr_submit_urbs(dev); if (ret) goto err; err: - mutex_unlock(&s->v4l2_lock); + mutex_unlock(&dev->v4l2_lock); return ret; } static void rtl2832_sdr_stop_streaming(struct vb2_queue *vq) { - struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq); + struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vq); - dev_dbg(&s->udev->dev, "\n"); + dev_dbg(&dev->udev->dev, "\n"); - mutex_lock(&s->v4l2_lock); + mutex_lock(&dev->v4l2_lock); - rtl2832_sdr_kill_urbs(s); - rtl2832_sdr_free_urbs(s); - rtl2832_sdr_free_stream_bufs(s); - rtl2832_sdr_cleanup_queued_bufs(s); - rtl2832_sdr_unset_adc(s); - rtl2832_sdr_unset_tuner(s); + rtl2832_sdr_kill_urbs(dev); + rtl2832_sdr_free_urbs(dev); + rtl2832_sdr_free_stream_bufs(dev); + rtl2832_sdr_cleanup_queued_bufs(dev); + rtl2832_sdr_unset_adc(dev); + rtl2832_sdr_unset_tuner(dev); - clear_bit(POWER_ON, &s->flags); + clear_bit(POWER_ON, &dev->flags); /* disable ADC */ - if (s->d->props->frontend_ctrl) - s->d->props->frontend_ctrl(s->fe, 0); + if (dev->d->props->frontend_ctrl) + dev->d->props->frontend_ctrl(dev->fe, 0); - if (s->d->props->power_ctrl) - s->d->props->power_ctrl(s->d, 0); + if (dev->d->props->power_ctrl) + dev->d->props->power_ctrl(dev->d, 0); - mutex_unlock(&s->v4l2_lock); + mutex_unlock(&dev->v4l2_lock); } static struct vb2_ops rtl2832_sdr_vb2_ops = { @@ -1091,9 +1091,9 @@ static struct vb2_ops rtl2832_sdr_vb2_ops = { static int rtl2832_sdr_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { - struct rtl2832_sdr_state *s = video_drvdata(file); + struct rtl2832_sdr_dev *dev = video_drvdata(file); - dev_dbg(&s->udev->dev, "index=%d type=%d\n", v->index, v->type); + dev_dbg(&dev->udev->dev, "index=%d type=%d\n", v->index, v->type); if (v->index == 0) { strlcpy(v->name, "ADC: Realtek RTL2832", sizeof(v->name)); @@ -1117,9 +1117,9 @@ static int rtl2832_sdr_g_tuner(struct file *file, void *priv, static int rtl2832_sdr_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *v) { - struct rtl2832_sdr_state *s = video_drvdata(file); + struct rtl2832_sdr_dev *dev = video_drvdata(file); - dev_dbg(&s->udev->dev, "\n"); + dev_dbg(&dev->udev->dev, "\n"); if (v->index > 1) return -EINVAL; @@ -1129,9 +1129,9 @@ static int rtl2832_sdr_s_tuner(struct file *file, void *priv, static int rtl2832_sdr_enum_freq_bands(struct file *file, void *priv, struct v4l2_frequency_band *band) { - struct rtl2832_sdr_state *s = video_drvdata(file); + struct rtl2832_sdr_dev *dev = video_drvdata(file); - dev_dbg(&s->udev->dev, "tuner=%d type=%d index=%d\n", + dev_dbg(&dev->udev->dev, "tuner=%d type=%d index=%d\n", band->tuner, band->type, band->index); if (band->tuner == 0) { @@ -1154,17 +1154,17 @@ static int rtl2832_sdr_enum_freq_bands(struct file *file, void *priv, static int rtl2832_sdr_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct rtl2832_sdr_state *s = video_drvdata(file); + struct rtl2832_sdr_dev *dev = video_drvdata(file); int ret = 0; - dev_dbg(&s->udev->dev, "tuner=%d type=%d\n", + dev_dbg(&dev->udev->dev, "tuner=%d type=%d\n", f->tuner, f->type); if (f->tuner == 0) { - f->frequency = s->f_adc; + f->frequency = dev->f_adc; f->type = V4L2_TUNER_ADC; } else if (f->tuner == 1) { - f->frequency = s->f_tuner; + f->frequency = dev->f_tuner; f->type = V4L2_TUNER_RF; } else { return -EINVAL; @@ -1176,10 +1176,10 @@ static int rtl2832_sdr_g_frequency(struct file *file, void *priv, static int rtl2832_sdr_s_frequency(struct file *file, void *priv, const struct v4l2_frequency *f) { - struct rtl2832_sdr_state *s = video_drvdata(file); + struct rtl2832_sdr_dev *dev = video_drvdata(file); int ret, band; - dev_dbg(&s->udev->dev, "tuner=%d type=%d frequency=%u\n", + dev_dbg(&dev->udev->dev, "tuner=%d type=%d frequency=%u\n", f->tuner, f->type, f->frequency); /* ADC band midpoints */ @@ -1194,19 +1194,19 @@ static int rtl2832_sdr_s_frequency(struct file *file, void *priv, else band = 2; - s->f_adc = clamp_t(unsigned int, f->frequency, + dev->f_adc = clamp_t(unsigned int, f->frequency, bands_adc[band].rangelow, bands_adc[band].rangehigh); - dev_dbg(&s->udev->dev, "ADC frequency=%u Hz\n", s->f_adc); - ret = rtl2832_sdr_set_adc(s); + dev_dbg(&dev->udev->dev, "ADC frequency=%u Hz\n", dev->f_adc); + ret = rtl2832_sdr_set_adc(dev); } else if (f->tuner == 1) { - s->f_tuner = clamp_t(unsigned int, f->frequency, + dev->f_tuner = clamp_t(unsigned int, f->frequency, bands_fm[0].rangelow, bands_fm[0].rangehigh); - dev_dbg(&s->udev->dev, "RF frequency=%u Hz\n", f->frequency); + dev_dbg(&dev->udev->dev, "RF frequency=%u Hz\n", f->frequency); - ret = rtl2832_sdr_set_tuner_freq(s); + ret = rtl2832_sdr_set_tuner_freq(dev); } else { ret = -EINVAL; } @@ -1217,11 +1217,11 @@ static int rtl2832_sdr_s_frequency(struct file *file, void *priv, static int rtl2832_sdr_enum_fmt_sdr_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { - struct rtl2832_sdr_state *s = video_drvdata(file); + struct rtl2832_sdr_dev *dev = video_drvdata(file); - dev_dbg(&s->udev->dev, "\n"); + dev_dbg(&dev->udev->dev, "\n"); - if (f->index >= s->num_formats) + if (f->index >= dev->num_formats) return -EINVAL; strlcpy(f->description, formats[f->index].name, sizeof(f->description)); @@ -1233,12 +1233,12 @@ static int rtl2832_sdr_enum_fmt_sdr_cap(struct file *file, void *priv, static int rtl2832_sdr_g_fmt_sdr_cap(struct file *file, void *priv, struct v4l2_format *f) { - struct rtl2832_sdr_state *s = video_drvdata(file); + struct rtl2832_sdr_dev *dev = video_drvdata(file); - dev_dbg(&s->udev->dev, "\n"); + dev_dbg(&dev->udev->dev, "\n"); - f->fmt.sdr.pixelformat = s->pixelformat; - f->fmt.sdr.buffersize = s->buffersize; + f->fmt.sdr.pixelformat = dev->pixelformat; + f->fmt.sdr.buffersize = dev->buffersize; memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); @@ -1248,28 +1248,28 @@ static int rtl2832_sdr_g_fmt_sdr_cap(struct file *file, void *priv, static int rtl2832_sdr_s_fmt_sdr_cap(struct file *file, void *priv, struct v4l2_format *f) { - struct rtl2832_sdr_state *s = video_drvdata(file); - struct vb2_queue *q = &s->vb_queue; + struct rtl2832_sdr_dev *dev = video_drvdata(file); + struct vb2_queue *q = &dev->vb_queue; int i; - dev_dbg(&s->udev->dev, "pixelformat fourcc %4.4s\n", + dev_dbg(&dev->udev->dev, "pixelformat fourcc %4.4s\n", (char *)&f->fmt.sdr.pixelformat); if (vb2_is_busy(q)) return -EBUSY; memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); - for (i = 0; i < s->num_formats; i++) { + for (i = 0; i < dev->num_formats; i++) { if (formats[i].pixelformat == f->fmt.sdr.pixelformat) { - s->pixelformat = formats[i].pixelformat; - s->buffersize = formats[i].buffersize; + dev->pixelformat = formats[i].pixelformat; + dev->buffersize = formats[i].buffersize; f->fmt.sdr.buffersize = formats[i].buffersize; return 0; } } - s->pixelformat = formats[0].pixelformat; - s->buffersize = formats[0].buffersize; + dev->pixelformat = formats[0].pixelformat; + dev->buffersize = formats[0].buffersize; f->fmt.sdr.pixelformat = formats[0].pixelformat; f->fmt.sdr.buffersize = formats[0].buffersize; @@ -1279,14 +1279,14 @@ static int rtl2832_sdr_s_fmt_sdr_cap(struct file *file, void *priv, static int rtl2832_sdr_try_fmt_sdr_cap(struct file *file, void *priv, struct v4l2_format *f) { - struct rtl2832_sdr_state *s = video_drvdata(file); + struct rtl2832_sdr_dev *dev = video_drvdata(file); int i; - dev_dbg(&s->udev->dev, "pixelformat fourcc %4.4s\n", + dev_dbg(&dev->udev->dev, "pixelformat fourcc %4.4s\n", (char *)&f->fmt.sdr.pixelformat); memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); - for (i = 0; i < s->num_formats; i++) { + for (i = 0; i < dev->num_formats; i++) { if (formats[i].pixelformat == f->fmt.sdr.pixelformat) { f->fmt.sdr.buffersize = formats[i].buffersize; return 0; @@ -1348,14 +1348,14 @@ static struct video_device rtl2832_sdr_template = { static int rtl2832_sdr_s_ctrl(struct v4l2_ctrl *ctrl) { - struct rtl2832_sdr_state *s = - container_of(ctrl->handler, struct rtl2832_sdr_state, + struct rtl2832_sdr_dev *dev = + container_of(ctrl->handler, struct rtl2832_sdr_dev, hdl); - struct dvb_frontend *fe = s->fe; + struct dvb_frontend *fe = dev->fe; struct dtv_frontend_properties *c = &fe->dtv_property_cache; int ret; - dev_dbg(&s->udev->dev, + dev_dbg(&dev->udev->dev, "id=%d name=%s val=%d min=%lld max=%lld step=%lld\n", ctrl->id, ctrl->name, ctrl->val, ctrl->minimum, ctrl->maximum, ctrl->step); @@ -1364,21 +1364,21 @@ static int rtl2832_sdr_s_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO: case V4L2_CID_RF_TUNER_BANDWIDTH: /* TODO: these controls should be moved to tuner drivers */ - if (s->bandwidth_auto->val) { + if (dev->bandwidth_auto->val) { /* Round towards the closest legal value */ - s32 val = s->f_adc + div_u64(s->bandwidth->step, 2); + s32 val = dev->f_adc + div_u64(dev->bandwidth->step, 2); u32 offset; - val = clamp_t(s32, val, s->bandwidth->minimum, - s->bandwidth->maximum); - offset = val - s->bandwidth->minimum; - offset = s->bandwidth->step * - div_u64(offset, s->bandwidth->step); - s->bandwidth->val = s->bandwidth->minimum + offset; + val = clamp_t(s32, val, dev->bandwidth->minimum, + dev->bandwidth->maximum); + offset = val - dev->bandwidth->minimum; + offset = dev->bandwidth->step * + div_u64(offset, dev->bandwidth->step); + dev->bandwidth->val = dev->bandwidth->minimum + offset; } - c->bandwidth_hz = s->bandwidth->val; + c->bandwidth_hz = dev->bandwidth->val; - if (!test_bit(POWER_ON, &s->flags)) + if (!test_bit(POWER_ON, &dev->flags)) return 0; if (fe->ops.tuner_ops.set_params) @@ -1399,12 +1399,12 @@ static const struct v4l2_ctrl_ops rtl2832_sdr_ctrl_ops = { static void rtl2832_sdr_video_release(struct v4l2_device *v) { - struct rtl2832_sdr_state *s = - container_of(v, struct rtl2832_sdr_state, v4l2_dev); + struct rtl2832_sdr_dev *dev = + container_of(v, struct rtl2832_sdr_dev, v4l2_dev); - v4l2_ctrl_handler_free(&s->hdl); - v4l2_device_unregister(&s->v4l2_dev); - kfree(s); + v4l2_ctrl_handler_free(&dev->hdl); + v4l2_device_unregister(&dev->v4l2_dev); + kfree(dev); } struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe, @@ -1412,138 +1412,138 @@ struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe, struct v4l2_subdev *sd) { int ret; - struct rtl2832_sdr_state *s; + struct rtl2832_sdr_dev *dev; const struct v4l2_ctrl_ops *ops = &rtl2832_sdr_ctrl_ops; struct dvb_usb_device *d = i2c_get_adapdata(i2c); - s = kzalloc(sizeof(struct rtl2832_sdr_state), GFP_KERNEL); - if (s == NULL) { + dev = kzalloc(sizeof(struct rtl2832_sdr_dev), GFP_KERNEL); + if (dev == NULL) { dev_err(&d->udev->dev, - "Could not allocate memory for rtl2832_sdr_state\n"); + "Could not allocate memory for rtl2832_sdr_dev\n"); return NULL; } /* setup the state */ - s->fe = fe; - s->d = d; - s->udev = d->udev; - s->i2c = i2c; - s->cfg = cfg; - s->f_adc = bands_adc[0].rangelow; - s->f_tuner = bands_fm[0].rangelow; - s->pixelformat = formats[0].pixelformat; - s->buffersize = formats[0].buffersize; - s->num_formats = NUM_FORMATS; + dev->fe = fe; + dev->d = d; + dev->udev = d->udev; + dev->i2c = i2c; + dev->cfg = cfg; + dev->f_adc = bands_adc[0].rangelow; + dev->f_tuner = bands_fm[0].rangelow; + dev->pixelformat = formats[0].pixelformat; + dev->buffersize = formats[0].buffersize; + dev->num_formats = NUM_FORMATS; if (!rtl2832_sdr_emulated_fmt) - s->num_formats -= 1; + dev->num_formats -= 1; - mutex_init(&s->v4l2_lock); - mutex_init(&s->vb_queue_lock); - spin_lock_init(&s->queued_bufs_lock); - INIT_LIST_HEAD(&s->queued_bufs); + mutex_init(&dev->v4l2_lock); + mutex_init(&dev->vb_queue_lock); + spin_lock_init(&dev->queued_bufs_lock); + INIT_LIST_HEAD(&dev->queued_bufs); /* Init videobuf2 queue structure */ - s->vb_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE; - s->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; - s->vb_queue.drv_priv = s; - s->vb_queue.buf_struct_size = sizeof(struct rtl2832_sdr_frame_buf); - s->vb_queue.ops = &rtl2832_sdr_vb2_ops; - s->vb_queue.mem_ops = &vb2_vmalloc_memops; - s->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - ret = vb2_queue_init(&s->vb_queue); + dev->vb_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE; + dev->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; + dev->vb_queue.drv_priv = dev; + dev->vb_queue.buf_struct_size = sizeof(struct rtl2832_sdr_frame_buf); + dev->vb_queue.ops = &rtl2832_sdr_vb2_ops; + dev->vb_queue.mem_ops = &vb2_vmalloc_memops; + dev->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + ret = vb2_queue_init(&dev->vb_queue); if (ret) { - dev_err(&s->udev->dev, "Could not initialize vb2 queue\n"); + dev_err(&dev->udev->dev, "Could not initialize vb2 queue\n"); goto err_free_mem; } /* Register controls */ - switch (s->cfg->tuner) { + switch (dev->cfg->tuner) { case RTL2832_TUNER_E4000: - v4l2_ctrl_handler_init(&s->hdl, 9); + v4l2_ctrl_handler_init(&dev->hdl, 9); if (sd) - v4l2_ctrl_add_handler(&s->hdl, sd->ctrl_handler, NULL); + v4l2_ctrl_add_handler(&dev->hdl, sd->ctrl_handler, NULL); break; case RTL2832_TUNER_R820T: - v4l2_ctrl_handler_init(&s->hdl, 2); - s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, ops, + v4l2_ctrl_handler_init(&dev->hdl, 2); + dev->bandwidth_auto = v4l2_ctrl_new_std(&dev->hdl, ops, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1); - s->bandwidth = v4l2_ctrl_new_std(&s->hdl, ops, + dev->bandwidth = v4l2_ctrl_new_std(&dev->hdl, ops, V4L2_CID_RF_TUNER_BANDWIDTH, 0, 8000000, 100000, 0); - v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false); + v4l2_ctrl_auto_cluster(2, &dev->bandwidth_auto, 0, false); break; case RTL2832_TUNER_FC0012: case RTL2832_TUNER_FC0013: - v4l2_ctrl_handler_init(&s->hdl, 2); - s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, ops, + v4l2_ctrl_handler_init(&dev->hdl, 2); + dev->bandwidth_auto = v4l2_ctrl_new_std(&dev->hdl, ops, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1); - s->bandwidth = v4l2_ctrl_new_std(&s->hdl, ops, + dev->bandwidth = v4l2_ctrl_new_std(&dev->hdl, ops, V4L2_CID_RF_TUNER_BANDWIDTH, 6000000, 8000000, 1000000, 6000000); - v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false); + v4l2_ctrl_auto_cluster(2, &dev->bandwidth_auto, 0, false); break; default: - v4l2_ctrl_handler_init(&s->hdl, 0); - dev_notice(&s->udev->dev, "%s: Unsupported tuner\n", + v4l2_ctrl_handler_init(&dev->hdl, 0); + dev_notice(&dev->udev->dev, "%s: Unsupported tuner\n", KBUILD_MODNAME); goto err_free_controls; } - if (s->hdl.error) { - ret = s->hdl.error; - dev_err(&s->udev->dev, "Could not initialize controls\n"); + if (dev->hdl.error) { + ret = dev->hdl.error; + dev_err(&dev->udev->dev, "Could not initialize controls\n"); goto err_free_controls; } /* Init video_device structure */ - s->vdev = rtl2832_sdr_template; - s->vdev.queue = &s->vb_queue; - s->vdev.queue->lock = &s->vb_queue_lock; - video_set_drvdata(&s->vdev, s); + dev->vdev = rtl2832_sdr_template; + dev->vdev.queue = &dev->vb_queue; + dev->vdev.queue->lock = &dev->vb_queue_lock; + video_set_drvdata(&dev->vdev, dev); /* Register the v4l2_device structure */ - s->v4l2_dev.release = rtl2832_sdr_video_release; - ret = v4l2_device_register(&s->udev->dev, &s->v4l2_dev); + dev->v4l2_dev.release = rtl2832_sdr_video_release; + ret = v4l2_device_register(&dev->udev->dev, &dev->v4l2_dev); if (ret) { - dev_err(&s->udev->dev, + dev_err(&dev->udev->dev, "Failed to register v4l2-device (%d)\n", ret); goto err_free_controls; } - s->v4l2_dev.ctrl_handler = &s->hdl; - s->vdev.v4l2_dev = &s->v4l2_dev; - s->vdev.lock = &s->v4l2_lock; - s->vdev.vfl_dir = VFL_DIR_RX; + dev->v4l2_dev.ctrl_handler = &dev->hdl; + dev->vdev.v4l2_dev = &dev->v4l2_dev; + dev->vdev.lock = &dev->v4l2_lock; + dev->vdev.vfl_dir = VFL_DIR_RX; - ret = video_register_device(&s->vdev, VFL_TYPE_SDR, -1); + ret = video_register_device(&dev->vdev, VFL_TYPE_SDR, -1); if (ret) { - dev_err(&s->udev->dev, + dev_err(&dev->udev->dev, "Failed to register as video device (%d)\n", ret); goto err_unregister_v4l2_dev; } - dev_info(&s->udev->dev, "Registered as %s\n", - video_device_node_name(&s->vdev)); + dev_info(&dev->udev->dev, "Registered as %s\n", + video_device_node_name(&dev->vdev)); - fe->sec_priv = s; + fe->sec_priv = dev; fe->ops.release_sec = rtl2832_sdr_release_sec; - dev_info(&s->i2c->dev, "%s: Realtek RTL2832 SDR attached\n", + dev_info(&dev->i2c->dev, "%s: Realtek RTL2832 SDR attached\n", KBUILD_MODNAME); - dev_notice(&s->udev->dev, + dev_notice(&dev->udev->dev, "%s: SDR API is still slightly experimental and functionality changes may follow\n", KBUILD_MODNAME); return fe; err_unregister_v4l2_dev: - v4l2_device_unregister(&s->v4l2_dev); + v4l2_device_unregister(&dev->v4l2_dev); err_free_controls: - v4l2_ctrl_handler_free(&s->hdl); + v4l2_ctrl_handler_free(&dev->hdl); err_free_mem: - kfree(s); + kfree(dev); return NULL; } EXPORT_SYMBOL(rtl2832_sdr_attach); -- 2.20.1