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path: root/drivers/media/dvb-frontends/rtl2832_sdr.c
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Diffstat (limited to 'drivers/media/dvb-frontends/rtl2832_sdr.c')
-rw-r--r--drivers/media/dvb-frontends/rtl2832_sdr.c1189
1 files changed, 557 insertions, 632 deletions
diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c
index 2896b47c29d8..3ff8806ca584 100644
--- a/drivers/media/dvb-frontends/rtl2832_sdr.c
+++ b/drivers/media/dvb-frontends/rtl2832_sdr.c
@@ -22,7 +22,6 @@
*
*/
-#include "dvb_frontend.h"
#include "rtl2832_sdr.h"
#include "dvb_usb.h"
@@ -32,6 +31,7 @@
#include <media/v4l2-event.h>
#include <media/videobuf2-vmalloc.h>
+#include <linux/platform_device.h>
#include <linux/jiffies.h>
#include <linux/math64.h>
@@ -107,16 +107,12 @@ 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;
- const struct rtl2832_config *cfg;
- struct dvb_frontend *fe;
- struct dvb_usb_device *d;
- struct i2c_adapter *i2c;
- u8 bank;
+ struct platform_device *pdev;
struct video_device vdev;
struct v4l2_device v4l2_dev;
@@ -160,200 +156,77 @@ struct rtl2832_sdr_state {
unsigned long jiffies_next;
};
-/* write multiple hardware registers */
-static int rtl2832_sdr_wr(struct rtl2832_sdr_state *s, u8 reg, const u8 *val,
- int len)
-{
- int ret;
-#define MAX_WR_LEN 24
-#define MAX_WR_XFER_LEN (MAX_WR_LEN + 1)
- u8 buf[MAX_WR_XFER_LEN];
- struct i2c_msg msg[1] = {
- {
- .addr = s->cfg->i2c_addr,
- .flags = 0,
- .len = 1 + len,
- .buf = buf,
- }
- };
-
- if (WARN_ON(len > MAX_WR_LEN))
- return -EINVAL;
-
- buf[0] = reg;
- memcpy(&buf[1], val, len);
-
- ret = i2c_transfer(s->i2c, msg, 1);
- if (ret == 1) {
- ret = 0;
- } else {
- dev_err(&s->i2c->dev,
- "%s: I2C wr failed=%d reg=%02x len=%d\n",
- KBUILD_MODNAME, ret, reg, len);
- ret = -EREMOTEIO;
- }
- return ret;
-}
-
-/* read multiple hardware registers */
-static int rtl2832_sdr_rd(struct rtl2832_sdr_state *s, u8 reg, u8 *val, int len)
-{
- int ret;
- struct i2c_msg msg[2] = {
- {
- .addr = s->cfg->i2c_addr,
- .flags = 0,
- .len = 1,
- .buf = &reg,
- }, {
- .addr = s->cfg->i2c_addr,
- .flags = I2C_M_RD,
- .len = len,
- .buf = val,
- }
- };
-
- ret = i2c_transfer(s->i2c, msg, 2);
- if (ret == 2) {
- ret = 0;
- } else {
- dev_err(&s->i2c->dev,
- "%s: I2C rd failed=%d reg=%02x len=%d\n",
- KBUILD_MODNAME, ret, reg, len);
- ret = -EREMOTEIO;
- }
- return ret;
-}
-
/* 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;
- u8 reg2 = (reg >> 0) & 0xff;
- u8 bank = (reg >> 8) & 0xff;
+ struct platform_device *pdev = dev->pdev;
+ struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data;
+ struct i2c_client *client = pdata->i2c_client;
- /* switch bank if needed */
- if (bank != s->bank) {
- ret = rtl2832_sdr_wr(s, 0x00, &bank, 1);
- if (ret)
- return ret;
-
- s->bank = bank;
- }
-
- return rtl2832_sdr_wr(s, reg2, val, len);
+ return pdata->bulk_write(client, reg, val, len);
}
+#if 0
/* 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;
- u8 reg2 = (reg >> 0) & 0xff;
- u8 bank = (reg >> 8) & 0xff;
-
- /* switch bank if needed */
- if (bank != s->bank) {
- ret = rtl2832_sdr_wr(s, 0x00, &bank, 1);
- if (ret)
- return ret;
-
- s->bank = bank;
- }
+ struct platform_device *pdev = dev->pdev;
+ struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data;
+ struct i2c_client *client = pdata->i2c_client;
- return rtl2832_sdr_rd(s, reg2, val, len);
+ return pdata->bulk_read(client, reg, val, len);
}
+#endif
/* 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)
-{
- return rtl2832_sdr_rd_regs(s, 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;
- u8 tmp;
-
- /* no need for read if whole reg is written */
- if (mask != 0xff) {
- ret = rtl2832_sdr_rd_regs(s, reg, &tmp, 1);
- if (ret)
- return ret;
-
- val &= mask;
- tmp &= ~mask;
- val |= tmp;
- }
-
- return rtl2832_sdr_wr_regs(s, reg, &val, 1);
-}
-
-#if 0
-/* read single register with mask */
-static int rtl2832_sdr_rd_reg_mask(struct rtl2832_sdr_state *s, u16 reg,
- u8 *val, u8 mask)
-{
- int ret, i;
- u8 tmp;
-
- ret = rtl2832_sdr_rd_regs(s, reg, &tmp, 1);
- if (ret)
- return ret;
-
- tmp &= mask;
-
- /* find position of the first bit */
- for (i = 0; i < 8; i++) {
- if ((mask >> i) & 0x01)
- break;
- }
- *val = tmp >> i;
+ struct platform_device *pdev = dev->pdev;
+ struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data;
+ struct i2c_client *client = pdata->i2c_client;
- return 0;
+ return pdata->update_bits(client, reg, mask, val);
}
-#endif
/* 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)
{
+ struct platform_device *pdev = dev->pdev;
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 +239,21 @@ 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;
-
- s->jiffies_next = jiffies + msecs_to_jiffies(MSECS);
- s->sample_measured = s->sample;
- dev_dbg(&s->udev->dev,
- "slen=%u samples=%u msecs=%u sample rate=%lu\n",
- src_len, samples, msecs,
- samples * 1000UL / msecs);
+ dev->jiffies_next + msecs_to_jiffies(MSECS));
+ unsigned int samples = dev->sample - dev->sample_measured;
+
+ dev->jiffies_next = jiffies + msecs_to_jiffies(MSECS);
+ dev->sample_measured = dev->sample;
+ dev_dbg(&pdev->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;
}
@@ -392,13 +264,13 @@ 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 platform_device *pdev = dev->pdev;
struct rtl2832_sdr_frame_buf *fbuf;
- dev_dbg_ratelimited(&s->udev->dev,
- "status=%d length=%d/%d errors=%d\n",
- urb->status, urb->actual_length,
- urb->transfer_buffer_length, urb->error_count);
+ dev_dbg_ratelimited(&pdev->dev, "status=%d length=%d/%d errors=%d\n",
+ urb->status, urb->actual_length,
+ urb->transfer_buffer_length, urb->error_count);
switch (urb->status) {
case 0: /* success */
@@ -409,8 +281,7 @@ static void rtl2832_sdr_urb_complete(struct urb *urb)
case -ESHUTDOWN:
return;
default: /* error */
- dev_err_ratelimited(&s->udev->dev, "urb failed=%d\n",
- urb->status);
+ dev_err_ratelimited(&pdev->dev, "urb failed=%d\n", urb->status);
break;
}
@@ -418,204 +289,192 @@ 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,
- "videobuf is full, %d packets dropped\n",
- s->vb_full);
+ dev->vb_full++;
+ dev_notice_ratelimited(&pdev->dev,
+ "videobuf is full, %d packets dropped\n",
+ 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)
{
+ struct platform_device *pdev = dev->pdev;
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(&pdev->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)
{
+ struct platform_device *pdev = dev->pdev;
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(&pdev->dev, "submit urb=%d\n", i);
+ ret = usb_submit_urb(dev->urb_list[i], GFP_ATOMIC);
if (ret) {
- dev_err(&s->udev->dev,
- "Could not submit urb no. %d - get them all back\n",
- i);
- rtl2832_sdr_kill_urbs(s);
+ dev_err(&pdev->dev,
+ "Could not submit urb no. %d - get them all back\n",
+ i);
+ 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]);
+ struct platform_device *pdev = dev->pdev;
+
+ if (dev->flags & USB_STATE_URB_BUF) {
+ while (dev->buf_num) {
+ dev->buf_num--;
+ dev_dbg(&pdev->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;
+ struct platform_device *pdev = dev->pdev;
- dev_dbg(&s->udev->dev, "all in all I will use %u bytes for streaming\n",
- MAX_BULK_BUFS * BULK_BUFFER_SIZE);
+ dev->buf_num = 0;
+ dev->buf_size = 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,
+ dev_dbg(&pdev->dev, "all in all I will use %u bytes for streaming\n",
+ MAX_BULK_BUFS * BULK_BUFFER_SIZE);
+
+ 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(&pdev->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(&pdev->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)
{
+ struct platform_device *pdev = dev->pdev;
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(&pdev->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)
{
+ struct platform_device *pdev = dev->pdev;
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(&pdev->dev, "alloc urb=%d\n", i);
+ dev->urb_list[i] = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!dev->urb_list[i]) {
+ dev_dbg(&pdev->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)
{
+ struct platform_device *pdev = dev->pdev;
unsigned long flags;
- dev_dbg(&s->udev->dev, "\n");
+ dev_dbg(&pdev->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);
-}
-
-/* The user yanked out the cable... */
-static void rtl2832_sdr_release_sec(struct dvb_frontend *fe)
-{
- struct rtl2832_sdr_state *s = fe->sec_priv;
-
- dev_dbg(&s->udev->dev, "\n");
-
- mutex_lock(&s->vb_queue_lock);
- mutex_lock(&s->v4l2_lock);
- /* No need to keep the urbs around after disconnection */
- s->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_put(&s->v4l2_dev);
-
- fe->sec_priv = NULL;
+ spin_unlock_irqrestore(&dev->queued_bufs_lock, flags);
}
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);
+ struct platform_device *pdev = dev->pdev;
- dev_dbg(&s->udev->dev, "\n");
+ dev_dbg(&pdev->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 +486,26 @@ 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);
+ struct platform_device *pdev = dev->pdev;
- dev_dbg(&s->udev->dev, "nbuffers=%d\n", *nbuffers);
+ dev_dbg(&pdev->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",
- *nbuffers, sizes[0]);
+ sizes[0] = PAGE_ALIGN(dev->buffersize);
+ dev_dbg(&pdev->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 +513,48 @@ 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 platform_device *pdev = dev->pdev;
+ struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data;
+ struct dvb_frontend *fe = pdata->dvb_frontend;
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(&pdev->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 +568,19 @@ static int rtl2832_sdr_set_adc(struct rtl2832_sdr_state *s)
goto err;
/* program IF */
- u64tmp = f_if % s->cfg->xtal;
+ u64tmp = f_if % pdata->clk;
u64tmp *= 0x400000;
- u64tmp = div_u64(u64tmp, s->cfg->xtal);
+ u64tmp = div_u64(u64tmp, pdata->clk);
u64tmp = -u64tmp;
u32tmp = u64tmp & 0x3fffff;
- dev_dbg(&s->udev->dev, "f_if=%u if_ctl=%08x\n", f_if, u32tmp);
+ dev_dbg(&pdev->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 +594,212 @@ 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(pdata->clk * 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) {
- 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);
+ switch (pdata->tuner) {
+ case RTL2832_SDR_TUNER_E4000:
+ 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);
+ case RTL2832_SDR_TUNER_FC0012:
+ case RTL2832_SDR_TUNER_FC0013:
+ 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);
+ case RTL2832_SDR_TUNER_R820T:
+ case RTL2832_SDR_TUNER_R828D:
+ 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(&pdev->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)
{
+ struct platform_device *pdev = dev->pdev;
int ret;
- dev_dbg(&s->udev->dev, "\n");
+ dev_dbg(&pdev->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 platform_device *pdev = dev->pdev;
+ struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data;
+ struct dvb_frontend *fe = pdata->dvb_frontend;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct v4l2_ctrl *bandwidth_auto;
struct v4l2_ctrl *bandwidth;
@@ -942,29 +807,29 @@ 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",
- c->frequency, c->bandwidth_hz);
+ dev_dbg(&pdev->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 +838,13 @@ 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 platform_device *pdev = dev->pdev;
+ struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data;
+ struct dvb_frontend *fe = pdata->dvb_frontend;
- dev_dbg(&s->udev->dev, "\n");
+ dev_dbg(&pdev->dev, "\n");
if (fe->ops.tuner_ops.init)
fe->ops.tuner_ops.init(fe);
@@ -985,11 +852,13 @@ 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 platform_device *pdev = dev->pdev;
+ struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data;
+ struct dvb_frontend *fe = pdata->dvb_frontend;
- dev_dbg(&s->udev->dev, "\n");
+ dev_dbg(&pdev->dev, "\n");
if (fe->ops.tuner_ops.sleep)
fe->ops.tuner_ops.sleep(fe);
@@ -999,83 +868,89 @@ 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);
+ struct platform_device *pdev = dev->pdev;
+ struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data;
+ struct dvb_usb_device *d = pdata->dvb_usb_device;
int ret;
- dev_dbg(&s->udev->dev, "\n");
+ dev_dbg(&pdev->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 (d->props->power_ctrl)
+ d->props->power_ctrl(d, 1);
/* enable ADC */
- if (s->d->props->frontend_ctrl)
- s->d->props->frontend_ctrl(s->fe, 1);
+ if (d->props->frontend_ctrl)
+ d->props->frontend_ctrl(pdata->dvb_frontend, 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);
+ struct platform_device *pdev = dev->pdev;
+ struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data;
+ struct dvb_usb_device *d = pdata->dvb_usb_device;
- dev_dbg(&s->udev->dev, "\n");
+ dev_dbg(&pdev->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 (d->props->frontend_ctrl)
+ d->props->frontend_ctrl(pdata->dvb_frontend, 0);
- if (s->d->props->power_ctrl)
- s->d->props->power_ctrl(s->d, 0);
+ if (d->props->power_ctrl)
+ d->props->power_ctrl(d, 0);
- mutex_unlock(&s->v4l2_lock);
+ mutex_unlock(&dev->v4l2_lock);
}
static struct vb2_ops rtl2832_sdr_vb2_ops = {
@@ -1091,9 +966,10 @@ 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);
+ struct platform_device *pdev = dev->pdev;
- dev_dbg(&s->udev->dev, "index=%d type=%d\n", v->index, v->type);
+ dev_dbg(&pdev->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 +993,10 @@ 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);
+ struct platform_device *pdev = dev->pdev;
- dev_dbg(&s->udev->dev, "\n");
+ dev_dbg(&pdev->dev, "\n");
if (v->index > 1)
return -EINVAL;
@@ -1129,10 +1006,11 @@ 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);
+ struct platform_device *pdev = dev->pdev;
- dev_dbg(&s->udev->dev, "tuner=%d type=%d index=%d\n",
- band->tuner, band->type, band->index);
+ dev_dbg(&pdev->dev, "tuner=%d type=%d index=%d\n",
+ band->tuner, band->type, band->index);
if (band->tuner == 0) {
if (band->index >= ARRAY_SIZE(bands_adc))
@@ -1154,17 +1032,17 @@ 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);
+ struct platform_device *pdev = dev->pdev;
int ret = 0;
- dev_dbg(&s->udev->dev, "tuner=%d type=%d\n",
- f->tuner, f->type);
+ dev_dbg(&pdev->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;
@@ -1176,11 +1054,12 @@ 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);
+ struct platform_device *pdev = dev->pdev;
int ret, band;
- dev_dbg(&s->udev->dev, "tuner=%d type=%d frequency=%u\n",
- f->tuner, f->type, f->frequency);
+ dev_dbg(&pdev->dev, "tuner=%d type=%d frequency=%u\n",
+ f->tuner, f->type, f->frequency);
/* ADC band midpoints */
#define BAND_ADC_0 ((bands_adc[0].rangehigh + bands_adc[1].rangelow) / 2)
@@ -1194,19 +1073,19 @@ 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(&pdev->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(&pdev->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 +1096,12 @@ 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);
+ struct platform_device *pdev = dev->pdev;
- dev_dbg(&s->udev->dev, "\n");
+ dev_dbg(&pdev->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 +1113,13 @@ 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);
+ struct platform_device *pdev = dev->pdev;
- dev_dbg(&s->udev->dev, "\n");
+ dev_dbg(&pdev->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 +1129,29 @@ 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 platform_device *pdev = dev->pdev;
+ struct vb2_queue *q = &dev->vb_queue;
int i;
- dev_dbg(&s->udev->dev, "pixelformat fourcc %4.4s\n",
- (char *)&f->fmt.sdr.pixelformat);
+ dev_dbg(&pdev->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 +1161,15 @@ 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);
+ struct platform_device *pdev = dev->pdev;
int i;
- dev_dbg(&s->udev->dev, "pixelformat fourcc %4.4s\n",
- (char *)&f->fmt.sdr.pixelformat);
+ dev_dbg(&pdev->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;
@@ -1348,37 +1231,38 @@ 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 platform_device *pdev = dev->pdev;
+ struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data;
+ struct dvb_frontend *fe = pdata->dvb_frontend;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
- dev_dbg(&s->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);
+ dev_dbg(&pdev->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);
switch (ctrl->id) {
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)
@@ -1399,154 +1283,195 @@ 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);
+ struct platform_device *pdev = dev->pdev;
+
+ dev_dbg(&pdev->dev, "\n");
- 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,
- struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
- struct v4l2_subdev *sd)
+/* Platform driver interface */
+static int rtl2832_sdr_probe(struct platform_device *pdev)
{
- int ret;
- struct rtl2832_sdr_state *s;
+ struct rtl2832_sdr_dev *dev;
+ struct rtl2832_sdr_platform_data *pdata = pdev->dev.platform_data;
const struct v4l2_ctrl_ops *ops = &rtl2832_sdr_ctrl_ops;
- struct dvb_usb_device *d = i2c_get_adapdata(i2c);
+ struct v4l2_subdev *subdev;
+ int ret;
+
+ dev_dbg(&pdev->dev, "\n");
- s = kzalloc(sizeof(struct rtl2832_sdr_state), GFP_KERNEL);
- if (s == NULL) {
- dev_err(&d->udev->dev,
- "Could not allocate memory for rtl2832_sdr_state\n");
- return NULL;
+ if (!pdata) {
+ dev_err(&pdev->dev, "Cannot proceed without platform data\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ if (!pdev->dev.parent->driver) {
+ dev_dbg(&pdev->dev, "No parent device\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ /* try to refcount host drv since we are the consumer */
+ if (!try_module_get(pdev->dev.parent->driver->owner)) {
+ dev_err(&pdev->dev, "Refcount fail");
+ ret = -EINVAL;
+ goto err;
+ }
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (dev == NULL) {
+ ret = -ENOMEM;
+ goto err_module_put;
}
/* 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;
+ subdev = pdata->v4l2_subdev;
+ dev->pdev = pdev;
+ dev->udev = pdata->dvb_usb_device->udev;
+ 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");
- goto err_free_mem;
+ dev_err(&pdev->dev, "Could not initialize vb2 queue\n");
+ goto err_kfree;
}
/* Register controls */
- switch (s->cfg->tuner) {
- case RTL2832_TUNER_E4000:
- v4l2_ctrl_handler_init(&s->hdl, 9);
- if (sd)
- v4l2_ctrl_add_handler(&s->hdl, sd->ctrl_handler, NULL);
+ switch (pdata->tuner) {
+ case RTL2832_SDR_TUNER_E4000:
+ v4l2_ctrl_handler_init(&dev->hdl, 9);
+ if (subdev)
+ v4l2_ctrl_add_handler(&dev->hdl, subdev->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_CID_RF_TUNER_BANDWIDTH_AUTO,
- 0, 1, 1, 1);
- s->bandwidth = v4l2_ctrl_new_std(&s->hdl, ops,
- V4L2_CID_RF_TUNER_BANDWIDTH,
- 0, 8000000, 100000, 0);
- v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false);
+ case RTL2832_SDR_TUNER_R820T:
+ case RTL2832_SDR_TUNER_R828D:
+ 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);
+ dev->bandwidth = v4l2_ctrl_new_std(&dev->hdl, ops,
+ V4L2_CID_RF_TUNER_BANDWIDTH,
+ 0, 8000000, 100000, 0);
+ 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_CID_RF_TUNER_BANDWIDTH_AUTO,
- 0, 1, 1, 1);
- s->bandwidth = v4l2_ctrl_new_std(&s->hdl, ops,
- V4L2_CID_RF_TUNER_BANDWIDTH,
- 6000000, 8000000, 1000000,
- 6000000);
- v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false);
+ case RTL2832_SDR_TUNER_FC0012:
+ case RTL2832_SDR_TUNER_FC0013:
+ 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);
+ dev->bandwidth = v4l2_ctrl_new_std(&dev->hdl, ops,
+ V4L2_CID_RF_TUNER_BANDWIDTH,
+ 6000000, 8000000, 1000000,
+ 6000000);
+ 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",
- KBUILD_MODNAME);
- goto err_free_controls;
+ v4l2_ctrl_handler_init(&dev->hdl, 0);
+ dev_err(&pdev->dev, "Unsupported tuner\n");
+ goto err_v4l2_ctrl_handler_free;
}
-
- if (s->hdl.error) {
- ret = s->hdl.error;
- dev_err(&s->udev->dev, "Could not initialize controls\n");
- goto err_free_controls;
+ if (dev->hdl.error) {
+ ret = dev->hdl.error;
+ dev_err(&pdev->dev, "Could not initialize controls\n");
+ goto err_v4l2_ctrl_handler_free;
}
/* 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(&pdev->dev, &dev->v4l2_dev);
if (ret) {
- dev_err(&s->udev->dev,
- "Failed to register v4l2-device (%d)\n", ret);
- goto err_free_controls;
+ dev_err(&pdev->dev, "Failed to register v4l2-device %d\n", ret);
+ goto err_v4l2_ctrl_handler_free;
}
- 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,
- "Failed to register as video device (%d)\n",
- ret);
- goto err_unregister_v4l2_dev;
+ dev_err(&pdev->dev, "Failed to register as video device %d\n",
+ ret);
+ goto err_v4l2_device_unregister;
}
- dev_info(&s->udev->dev, "Registered as %s\n",
- video_device_node_name(&s->vdev));
-
- fe->sec_priv = s;
- fe->ops.release_sec = rtl2832_sdr_release_sec;
-
- dev_info(&s->i2c->dev, "%s: Realtek RTL2832 SDR attached\n",
- KBUILD_MODNAME);
- dev_notice(&s->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);
-err_free_controls:
- v4l2_ctrl_handler_free(&s->hdl);
-err_free_mem:
- kfree(s);
- return NULL;
+ dev_info(&pdev->dev, "Registered as %s\n",
+ video_device_node_name(&dev->vdev));
+ dev_info(&pdev->dev, "Realtek RTL2832 SDR attached\n");
+ dev_notice(&pdev->dev,
+ "SDR API is still slightly experimental and functionality changes may follow\n");
+ platform_set_drvdata(pdev, dev);
+ return 0;
+err_v4l2_device_unregister:
+ v4l2_device_unregister(&dev->v4l2_dev);
+err_v4l2_ctrl_handler_free:
+ v4l2_ctrl_handler_free(&dev->hdl);
+err_kfree:
+ kfree(dev);
+err_module_put:
+ module_put(pdev->dev.parent->driver->owner);
+err:
+ return ret;
}
-EXPORT_SYMBOL(rtl2832_sdr_attach);
+
+static int rtl2832_sdr_remove(struct platform_device *pdev)
+{
+ struct rtl2832_sdr_dev *dev = platform_get_drvdata(pdev);
+
+ dev_dbg(&pdev->dev, "\n");
+
+ mutex_lock(&dev->vb_queue_lock);
+ mutex_lock(&dev->v4l2_lock);
+ /* No need to keep the urbs around after disconnection */
+ dev->udev = NULL;
+ 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(&dev->v4l2_dev);
+ module_put(pdev->dev.parent->driver->owner);
+
+ return 0;
+}
+
+static struct platform_driver rtl2832_sdr_driver = {
+ .driver = {
+ .name = "rtl2832_sdr",
+ .owner = THIS_MODULE,
+ },
+ .probe = rtl2832_sdr_probe,
+ .remove = rtl2832_sdr_remove,
+};
+module_platform_driver(rtl2832_sdr_driver);
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_DESCRIPTION("Realtek RTL2832 SDR driver");
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-27 21:35:33 +0300