[media] msi2500: refactor USB stream copying
There was a lot of duplicated functionality between different stream format handling. Refactor functionality in order to get rid of duplicated code. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Antti Palosaari
Mauro Carvalho Chehab
parent
c08de62f1f
commit
8591f70804
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@ -146,8 +146,6 @@ struct msi3101_state {
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unsigned int vb_full; /* vb is full and packets dropped */
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struct urb *urbs[MAX_ISO_BUFS];
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int (*convert_stream)(struct msi3101_state *s, u8 *dst, u8 *src,
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unsigned int src_len);
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/* Controls */
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struct v4l2_ctrl_handler hdl;
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@ -188,118 +186,8 @@ leave:
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* +---------------------------------------------------------------------------
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* signed 8-bit sample
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* 504 * 2 = 1008 samples
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*/
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static int msi3101_convert_stream_504(struct msi3101_state *s, u8 *dst,
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u8 *src, unsigned int src_len)
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{
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int i, i_max, dst_len = 0;
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u32 sample_num[3];
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/* There could be 1-3 1024 bytes URB frames */
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i_max = src_len / 1024;
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for (i = 0; i < i_max; i++) {
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sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
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if (i == 0 && s->next_sample != sample_num[0]) {
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dev_dbg_ratelimited(&s->udev->dev,
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"%d samples lost, %d %08x:%08x\n",
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sample_num[0] - s->next_sample,
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src_len, s->next_sample, sample_num[0]);
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}
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/*
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* Dump all unknown 'garbage' data - maybe we will discover
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* someday if there is something rational...
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*/
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dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
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/* 504 x I+Q samples */
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src += 16;
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memcpy(dst, src, 1008);
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src += 1008;
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dst += 1008;
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dst_len += 1008;
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}
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/* calculate samping rate and output it in 10 seconds intervals */
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if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) {
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unsigned long jiffies_now = jiffies;
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unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next);
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unsigned int samples = sample_num[i_max - 1] - s->sample;
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s->jiffies_next = jiffies_now;
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s->sample = sample_num[i_max - 1];
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dev_dbg(&s->udev->dev,
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"slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
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src_len, samples, msecs,
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samples * 1000UL / msecs);
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}
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/* next sample (sample = sample + i * 504) */
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s->next_sample = sample_num[i_max - 1] + 504;
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return dst_len;
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}
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static int msi3101_convert_stream_504_u8(struct msi3101_state *s, u8 *dst,
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u8 *src, unsigned int src_len)
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{
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int i, j, i_max, dst_len = 0;
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u32 sample_num[3];
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s8 *s8src;
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u8 *u8dst;
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/* There could be 1-3 1024 bytes URB frames */
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i_max = src_len / 1024;
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u8dst = (u8 *) dst;
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for (i = 0; i < i_max; i++) {
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sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
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if (i == 0 && s->next_sample != sample_num[0]) {
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dev_dbg_ratelimited(&s->udev->dev,
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"%d samples lost, %d %08x:%08x\n",
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sample_num[0] - s->next_sample,
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src_len, s->next_sample, sample_num[0]);
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}
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/*
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* Dump all unknown 'garbage' data - maybe we will discover
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* someday if there is something rational...
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*/
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dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
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/* 504 x I+Q samples */
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src += 16;
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s8src = (s8 *) src;
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for (j = 0; j < 1008; j++)
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*u8dst++ = *s8src++ + 128;
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src += 1008;
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dst += 1008;
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dst_len += 1008;
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}
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/* calculate samping rate and output it in 10 seconds intervals */
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if (unlikely(time_is_before_jiffies(s->jiffies_next))) {
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#define MSECS 10000UL
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unsigned int samples = sample_num[i_max - 1] - s->sample;
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s->jiffies_next = jiffies + msecs_to_jiffies(MSECS);
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s->sample = sample_num[i_max - 1];
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dev_dbg(&s->udev->dev,
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"slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
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src_len, samples, MSECS,
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samples * 1000UL / MSECS);
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}
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/* next sample (sample = sample + i * 504) */
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s->next_sample = sample_num[i_max - 1] + 504;
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return dst_len;
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}
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/*
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*
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*
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* +===========================================================================
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* | 00-1023 | USB packet type '384'
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* +===========================================================================
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@ -342,62 +230,8 @@ static int msi3101_convert_stream_504_u8(struct msi3101_state *s, u8 *dst,
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* Number 2 (0b10) was never seen.
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*
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* 6 * 16 * 2 * 4 = 768 samples. 768 * 4 = 3072 bytes
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*/
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static int msi3101_convert_stream_384(struct msi3101_state *s, u8 *dst,
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u8 *src, unsigned int src_len)
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{
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int i, i_max, dst_len = 0;
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u32 sample_num[3];
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/* There could be 1-3 1024 bytes URB frames */
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i_max = src_len / 1024;
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for (i = 0; i < i_max; i++) {
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sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
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if (i == 0 && s->next_sample != sample_num[0]) {
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dev_dbg_ratelimited(&s->udev->dev,
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"%d samples lost, %d %08x:%08x\n",
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sample_num[0] - s->next_sample,
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src_len, s->next_sample, sample_num[0]);
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}
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/*
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* Dump all unknown 'garbage' data - maybe we will discover
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* someday if there is something rational...
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*/
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dev_dbg_ratelimited(&s->udev->dev,
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"%*ph %*ph\n", 12, &src[4], 24, &src[1000]);
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/* 384 x I+Q samples */
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src += 16;
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memcpy(dst, src, 984);
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src += 984 + 24;
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dst += 984;
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dst_len += 984;
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}
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/* calculate samping rate and output it in 10 seconds intervals */
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if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) {
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unsigned long jiffies_now = jiffies;
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unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next);
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unsigned int samples = sample_num[i_max - 1] - s->sample;
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s->jiffies_next = jiffies_now;
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s->sample = sample_num[i_max - 1];
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dev_dbg(&s->udev->dev,
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"slen=%d samples=%u msecs=%lu sampling rate=%lu bits=%d.%d.%d.%d\n",
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src_len, samples, msecs,
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samples * 1000UL / msecs,
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s->sample_ctrl_bit[0], s->sample_ctrl_bit[1],
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s->sample_ctrl_bit[2], s->sample_ctrl_bit[3]);
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}
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/* next sample (sample = sample + i * 384) */
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s->next_sample = sample_num[i_max - 1] + 384;
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return dst_len;
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}
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/*
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*
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*
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* +===========================================================================
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* | 00-1023 | USB packet type '336'
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* +===========================================================================
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@ -408,60 +242,8 @@ static int msi3101_convert_stream_384(struct msi3101_state *s, u8 *dst,
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* | 16-1023 | samples
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* +---------------------------------------------------------------------------
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* signed 12-bit sample
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*/
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static int msi3101_convert_stream_336(struct msi3101_state *s, u8 *dst,
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u8 *src, unsigned int src_len)
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{
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int i, i_max, dst_len = 0;
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u32 sample_num[3];
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/* There could be 1-3 1024 bytes URB frames */
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i_max = src_len / 1024;
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for (i = 0; i < i_max; i++) {
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sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
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if (i == 0 && s->next_sample != sample_num[0]) {
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dev_dbg_ratelimited(&s->udev->dev,
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"%d samples lost, %d %08x:%08x\n",
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sample_num[0] - s->next_sample,
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src_len, s->next_sample, sample_num[0]);
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}
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/*
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* Dump all unknown 'garbage' data - maybe we will discover
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* someday if there is something rational...
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*/
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dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
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/* 336 x I+Q samples */
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src += 16;
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memcpy(dst, src, 1008);
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src += 1008;
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dst += 1008;
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dst_len += 1008;
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}
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/* calculate samping rate and output it in 10 seconds intervals */
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if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) {
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unsigned long jiffies_now = jiffies;
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unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next);
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unsigned int samples = sample_num[i_max - 1] - s->sample;
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s->jiffies_next = jiffies_now;
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s->sample = sample_num[i_max - 1];
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dev_dbg(&s->udev->dev,
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"slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
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src_len, samples, msecs,
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samples * 1000UL / msecs);
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}
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/* next sample (sample = sample + i * 336) */
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s->next_sample = sample_num[i_max - 1] + 336;
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return dst_len;
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}
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/*
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*
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*
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* +===========================================================================
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* | 00-1023 | USB packet type '252'
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* +===========================================================================
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@ -473,22 +255,24 @@ static int msi3101_convert_stream_336(struct msi3101_state *s, u8 *dst,
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* +---------------------------------------------------------------------------
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* signed 14-bit sample
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*/
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static int msi3101_convert_stream_252(struct msi3101_state *s, u8 *dst,
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u8 *src, unsigned int src_len)
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static int msi3101_convert_stream(struct msi3101_state *s, u8 *dst, u8 *src,
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unsigned int src_len)
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{
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int i, i_max, dst_len = 0;
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u32 sample_num[3];
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unsigned int i, j, transactions, dst_len = 0;
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u32 sample[3];
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/* There could be 1-3 1024 bytes URB frames */
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i_max = src_len / 1024;
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/* There could be 1-3 1024 byte transactions per packet */
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transactions = src_len / 1024;
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for (i = 0; i < i_max; i++) {
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sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
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if (i == 0 && s->next_sample != sample_num[0]) {
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for (i = 0; i < transactions; i++) {
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sample[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 |
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src[0] << 0;
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if (i == 0 && s->next_sample != sample[0]) {
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dev_dbg_ratelimited(&s->udev->dev,
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"%d samples lost, %d %08x:%08x\n",
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sample_num[0] - s->next_sample,
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src_len, s->next_sample, sample_num[0]);
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sample[0] - s->next_sample,
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src_len, s->next_sample, sample[0]);
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}
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/*
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@ -497,104 +281,96 @@ static int msi3101_convert_stream_252(struct msi3101_state *s, u8 *dst,
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*/
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dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
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/* 252 x I+Q samples */
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src += 16;
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memcpy(dst, src, 1008);
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src += 1008;
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dst += 1008;
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dst_len += 1008;
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src += 16; /* skip header */
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switch (s->pixelformat) {
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case V4L2_SDR_FMT_CU8: /* 504 x IQ samples */
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{
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s8 *s8src = (s8 *) src;
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u8 *u8dst = (u8 *) dst;
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for (j = 0; j < 1008; j++)
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*u8dst++ = *s8src++ + 128;
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src += 1008;
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dst += 1008;
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dst_len += 1008;
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s->next_sample = sample[i] + 504;
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break;
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}
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case V4L2_SDR_FMT_CU16LE: /* 252 x IQ samples */
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{
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s16 *s16src = (s16 *) src;
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u16 *u16dst = (u16 *) dst;
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struct {signed int x:14; } se; /* sign extension */
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unsigned int utmp;
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for (j = 0; j < 1008; j += 2) {
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/* sign extension from 14-bit to signed int */
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se.x = *s16src++;
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/* from signed int to unsigned int */
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utmp = se.x + 8192;
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/* from 14-bit to 16-bit */
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*u16dst++ = utmp << 2 | utmp >> 12;
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}
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src += 1008;
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dst += 1008;
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dst_len += 1008;
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s->next_sample = sample[i] + 252;
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break;
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}
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case MSI2500_PIX_FMT_SDR_MSI2500_384: /* 384 x IQ samples */
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/* Dump unknown 'garbage' data */
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dev_dbg_ratelimited(&s->udev->dev,
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"%*ph\n", 24, &src[1000]);
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memcpy(dst, src, 984);
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src += 984 + 24;
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dst += 984;
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dst_len += 984;
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s->next_sample = sample[i] + 384;
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break;
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case V4L2_SDR_FMT_CS8: /* 504 x IQ samples */
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memcpy(dst, src, 1008);
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src += 1008;
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dst += 1008;
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dst_len += 1008;
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s->next_sample = sample[i] + 504;
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break;
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case MSI2500_PIX_FMT_SDR_S12: /* 336 x IQ samples */
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memcpy(dst, src, 1008);
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src += 1008;
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dst += 1008;
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dst_len += 1008;
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s->next_sample = sample[i] + 336;
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break;
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case V4L2_SDR_FMT_CS14LE: /* 252 x IQ samples */
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memcpy(dst, src, 1008);
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src += 1008;
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dst += 1008;
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dst_len += 1008;
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s->next_sample = sample[i] + 252;
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break;
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default:
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break;
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}
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}
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/* calculate samping rate and output it in 10 seconds intervals */
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if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) {
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unsigned long jiffies_now = jiffies;
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unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next);
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unsigned int samples = sample_num[i_max - 1] - s->sample;
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/* calculate sample rate and output it in 10 seconds intervals */
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if (unlikely(time_is_before_jiffies(s->jiffies_next))) {
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#define MSECS 10000UL
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unsigned int msecs = jiffies_to_msecs(jiffies -
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s->jiffies_next + msecs_to_jiffies(MSECS));
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unsigned int samples = s->next_sample - s->sample;
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s->jiffies_next = jiffies_now;
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s->sample = sample_num[i_max - 1];
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s->jiffies_next = jiffies + msecs_to_jiffies(MSECS);
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s->sample = s->next_sample;
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dev_dbg(&s->udev->dev,
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"slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
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"size=%u samples=%u msecs=%u sample rate=%lu\n",
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src_len, samples, msecs,
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samples * 1000UL / msecs);
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}
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/* next sample (sample = sample + i * 252) */
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s->next_sample = sample_num[i_max - 1] + 252;
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return dst_len;
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}
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static int msi3101_convert_stream_252_u16(struct msi3101_state *s, u8 *dst,
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u8 *src, unsigned int src_len)
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{
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int i, j, i_max, dst_len = 0;
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u32 sample_num[3];
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u16 *u16dst = (u16 *) dst;
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struct {signed int x:14; } se;
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/* There could be 1-3 1024 bytes URB frames */
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i_max = src_len / 1024;
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for (i = 0; i < i_max; i++) {
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sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
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if (i == 0 && s->next_sample != sample_num[0]) {
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dev_dbg_ratelimited(&s->udev->dev,
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"%d samples lost, %d %08x:%08x\n",
|
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sample_num[0] - s->next_sample,
|
||||
src_len, s->next_sample, sample_num[0]);
|
||||
}
|
||||
|
||||
/*
|
||||
* Dump all unknown 'garbage' data - maybe we will discover
|
||||
* someday if there is something rational...
|
||||
*/
|
||||
dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
|
||||
|
||||
/* 252 x I+Q samples */
|
||||
src += 16;
|
||||
|
||||
for (j = 0; j < 1008; j += 4) {
|
||||
unsigned int usample[2];
|
||||
int ssample[2];
|
||||
|
||||
usample[0] = src[j + 0] >> 0 | src[j + 1] << 8;
|
||||
usample[1] = src[j + 2] >> 0 | src[j + 3] << 8;
|
||||
|
||||
/* sign extension from 14-bit to signed int */
|
||||
ssample[0] = se.x = usample[0];
|
||||
ssample[1] = se.x = usample[1];
|
||||
|
||||
/* from signed to unsigned */
|
||||
usample[0] = ssample[0] + 8192;
|
||||
usample[1] = ssample[1] + 8192;
|
||||
|
||||
/* from 14-bit to 16-bit */
|
||||
*u16dst++ = (usample[0] << 2) | (usample[0] >> 12);
|
||||
*u16dst++ = (usample[1] << 2) | (usample[1] >> 12);
|
||||
}
|
||||
|
||||
src += 1008;
|
||||
dst += 1008;
|
||||
dst_len += 1008;
|
||||
}
|
||||
|
||||
/* calculate samping rate and output it in 10 seconds intervals */
|
||||
if (unlikely(time_is_before_jiffies(s->jiffies_next))) {
|
||||
#define MSECS 10000UL
|
||||
unsigned int samples = sample_num[i_max - 1] - s->sample;
|
||||
|
||||
s->jiffies_next = jiffies + msecs_to_jiffies(MSECS);
|
||||
s->sample = sample_num[i_max - 1];
|
||||
dev_dbg(&s->udev->dev,
|
||||
"slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
|
||||
src_len, samples, MSECS,
|
||||
samples * 1000UL / MSECS);
|
||||
}
|
||||
|
||||
/* next sample (sample = sample + i * 252) */
|
||||
s->next_sample = sample_num[i_max - 1] + 252;
|
||||
|
||||
return dst_len;
|
||||
}
|
||||
|
||||
|
|
@ -662,7 +438,7 @@ static void msi3101_isoc_handler(struct urb *urb)
|
|||
|
||||
/* fill framebuffer */
|
||||
ptr = vb2_plane_vaddr(&fbuf->vb, 0);
|
||||
flen = s->convert_stream(s, ptr, iso_buf, flen);
|
||||
flen = msi3101_convert_stream(s, ptr, iso_buf, flen);
|
||||
vb2_set_plane_payload(&fbuf->vb, 0, flen);
|
||||
vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE);
|
||||
}
|
||||
|
|
@ -945,32 +721,25 @@ static int msi3101_set_usb_adc(struct msi3101_state *s)
|
|||
/* select stream format */
|
||||
switch (s->pixelformat) {
|
||||
case V4L2_SDR_FMT_CU8:
|
||||
s->convert_stream = msi3101_convert_stream_504_u8;
|
||||
reg7 = 0x000c9407;
|
||||
reg7 = 0x000c9407; /* 504 */
|
||||
break;
|
||||
case V4L2_SDR_FMT_CU16LE:
|
||||
s->convert_stream = msi3101_convert_stream_252_u16;
|
||||
reg7 = 0x00009407;
|
||||
reg7 = 0x00009407; /* 252 */
|
||||
break;
|
||||
case V4L2_SDR_FMT_CS8:
|
||||
s->convert_stream = msi3101_convert_stream_504;
|
||||
reg7 = 0x000c9407;
|
||||
reg7 = 0x000c9407; /* 504 */
|
||||
break;
|
||||
case MSI2500_PIX_FMT_SDR_MSI2500_384:
|
||||
s->convert_stream = msi3101_convert_stream_384;
|
||||
reg7 = 0x0000a507;
|
||||
reg7 = 0x0000a507; /* 384 */
|
||||
break;
|
||||
case MSI2500_PIX_FMT_SDR_S12:
|
||||
s->convert_stream = msi3101_convert_stream_336;
|
||||
reg7 = 0x00008507;
|
||||
reg7 = 0x00008507; /* 336 */
|
||||
break;
|
||||
case V4L2_SDR_FMT_CS14LE:
|
||||
s->convert_stream = msi3101_convert_stream_252;
|
||||
reg7 = 0x00009407;
|
||||
reg7 = 0x00009407; /* 252 */
|
||||
break;
|
||||
default:
|
||||
s->convert_stream = msi3101_convert_stream_504_u8;
|
||||
reg7 = 0x000c9407;
|
||||
reg7 = 0x000c9407; /* 504 */
|
||||
break;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue