}
}
+static void zoran_restart(struct zoran *zr)
+{
+ /* Now the stat_comm buffer is ready for restart */
+ int status, mode;
+
+ if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) {
+ decoder_command(zr, DECODER_GET_STATUS, &status);
+ mode = CODEC_DO_COMPRESSION;
+ } else {
+ status = 0;
+ mode = CODEC_DO_EXPANSION;
+ }
+ if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS ||
+ (status & DECODER_STATUS_GOOD)) {
+ /********** RESTART code *************/
+ jpeg_codec_reset(zr);
+ zr->codec->set_mode(zr->codec, mode);
+ zr36057_set_jpg(zr, zr->codec_mode);
+ jpeg_start(zr);
+
+ if (zr->num_errors <= 8)
+ dprintk(2, KERN_INFO "%s: Restart\n",
+ ZR_DEVNAME(zr));
+
+ zr->JPEG_missed = 0;
+ zr->JPEG_error = 2;
+ /********** End RESTART code ***********/
+ }
+}
+
static void
error_handler (struct zoran *zr,
u32 astat,
u32 stat)
{
+ int i, j;
+
/* This is JPEG error handling part */
- if ((zr->codec_mode != BUZ_MODE_MOTION_COMPRESS) &&
- (zr->codec_mode != BUZ_MODE_MOTION_DECOMPRESS)) {
- //dprintk(1, KERN_ERR "%s: Internal error: error handling request in mode %d\n", ZR_DEVNAME(zr), zr->codec_mode);
+ if (zr->codec_mode != BUZ_MODE_MOTION_COMPRESS &&
+ zr->codec_mode != BUZ_MODE_MOTION_DECOMPRESS) {
return;
}
if ((stat & 1) == 0 &&
zr->codec_mode == BUZ_MODE_MOTION_COMPRESS &&
- zr->jpg_dma_tail - zr->jpg_que_tail >=
- zr->jpg_buffers.num_buffers) {
+ zr->jpg_dma_tail - zr->jpg_que_tail >= zr->jpg_buffers.num_buffers) {
/* No free buffers... */
zoran_reap_stat_com(zr);
zoran_feed_stat_com(zr);
return;
}
- if (zr->JPEG_error != 1) {
- /*
- * First entry: error just happened during normal operation
- *
- * In BUZ_MODE_MOTION_COMPRESS:
- *
- * Possible glitch in TV signal. In this case we should
- * stop the codec and wait for good quality signal before
- * restarting it to avoid further problems
- *
- * In BUZ_MODE_MOTION_DECOMPRESS:
- *
- * Bad JPEG frame: we have to mark it as processed (codec crashed
- * and was not able to do it itself), and to remove it from queue.
- */
- btand(~ZR36057_JMC_Go_en, ZR36057_JMC);
- udelay(1);
- stat = stat | (post_office_read(zr, 7, 0) & 3) << 8;
- btwrite(0, ZR36057_JPC);
- btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR);
- jpeg_codec_reset(zr);
- jpeg_codec_sleep(zr, 1);
- zr->JPEG_error = 1;
- zr->num_errors++;
-
- /* Report error */
- if (zr36067_debug > 1 && zr->num_errors <= 8) {
- long frame;
- frame =
- zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME];
- printk(KERN_ERR
- "%s: JPEG error stat=0x%08x(0x%08x) queue_state=%ld/%ld/%ld/%ld seq=%ld frame=%ld. Codec stopped. ",
- ZR_DEVNAME(zr), stat, zr->last_isr,
- zr->jpg_que_tail, zr->jpg_dma_tail,
- zr->jpg_dma_head, zr->jpg_que_head,
- zr->jpg_seq_num, frame);
- printk("stat_com frames:");
- {
- int i, j;
- for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
- for (i = 0;
- i < zr->jpg_buffers.num_buffers;
- i++) {
- if (le32_to_cpu(zr->stat_com[j]) ==
- zr->jpg_buffers.
- buffer[i].
- frag_tab_bus) {
- printk("% d->%d",
- j, i);
- }
- }
- }
- printk("\n");
- }
- }
- /* Find an entry in stat_com and rotate contents */
- {
- int i;
-
- if (zr->jpg_settings.TmpDcm == 1)
- i = (zr->jpg_dma_tail -
- zr->jpg_err_shift) & BUZ_MASK_STAT_COM;
- else
- i = ((zr->jpg_dma_tail -
- zr->jpg_err_shift) & 1) * 2;
- if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) {
- /* Mimic zr36067 operation */
- zr->stat_com[i] |= cpu_to_le32(1);
- if (zr->jpg_settings.TmpDcm != 1)
- zr->stat_com[i + 1] |= cpu_to_le32(1);
- /* Refill */
- zoran_reap_stat_com(zr);
- zoran_feed_stat_com(zr);
- wake_up_interruptible(&zr->jpg_capq);
- /* Find an entry in stat_com again after refill */
- if (zr->jpg_settings.TmpDcm == 1)
- i = (zr->jpg_dma_tail -
- zr->jpg_err_shift) &
- BUZ_MASK_STAT_COM;
- else
- i = ((zr->jpg_dma_tail -
- zr->jpg_err_shift) & 1) * 2;
- }
- if (i) {
- /* Rotate stat_comm entries to make current entry first */
- int j;
- __le32 bus_addr[BUZ_NUM_STAT_COM];
-
- /* Here we are copying the stat_com array, which
- * is already in little endian format, so
- * no endian conversions here
- */
- memcpy(bus_addr, zr->stat_com,
- sizeof(bus_addr));
- for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
- zr->stat_com[j] =
- bus_addr[(i + j) &
- BUZ_MASK_STAT_COM];
+ if (zr->JPEG_error == 1) {
+ zoran_restart(zr);
+ return;
+ }
- }
- zr->jpg_err_shift += i;
- zr->jpg_err_shift &= BUZ_MASK_STAT_COM;
+ /*
+ * First entry: error just happened during normal operation
+ *
+ * In BUZ_MODE_MOTION_COMPRESS:
+ *
+ * Possible glitch in TV signal. In this case we should
+ * stop the codec and wait for good quality signal before
+ * restarting it to avoid further problems
+ *
+ * In BUZ_MODE_MOTION_DECOMPRESS:
+ *
+ * Bad JPEG frame: we have to mark it as processed (codec crashed
+ * and was not able to do it itself), and to remove it from queue.
+ */
+ btand(~ZR36057_JMC_Go_en, ZR36057_JMC);
+ udelay(1);
+ stat = stat | (post_office_read(zr, 7, 0) & 3) << 8;
+ btwrite(0, ZR36057_JPC);
+ btor(ZR36057_MCTCR_CFlush, ZR36057_MCTCR);
+ jpeg_codec_reset(zr);
+ jpeg_codec_sleep(zr, 1);
+ zr->JPEG_error = 1;
+ zr->num_errors++;
+
+ /* Report error */
+ if (zr36067_debug > 1 && zr->num_errors <= 8) {
+ long frame;
+
+ frame = zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME];
+ printk(KERN_ERR
+ "%s: JPEG error stat=0x%08x(0x%08x) queue_state=%ld/%ld/%ld/%ld seq=%ld frame=%ld. Codec stopped. ",
+ ZR_DEVNAME(zr), stat, zr->last_isr,
+ zr->jpg_que_tail, zr->jpg_dma_tail,
+ zr->jpg_dma_head, zr->jpg_que_head,
+ zr->jpg_seq_num, frame);
+ printk(KERN_INFO "stat_com frames:");
+ for (j = 0; j < BUZ_NUM_STAT_COM; j++) {
+ for (i = 0; i < zr->jpg_buffers.num_buffers; i++) {
+ if (le32_to_cpu(zr->stat_com[j]) == zr->jpg_buffers.buffer[i].frag_tab_bus)
+ printk(KERN_CONT "% d->%d", j, i);
}
- if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS)
- zr->jpg_err_seq = zr->jpg_seq_num; /* + 1; */
}
+ printk(KERN_CONT "\n");
}
+ /* Find an entry in stat_com and rotate contents */
+ if (zr->jpg_settings.TmpDcm == 1)
+ i = (zr->jpg_dma_tail - zr->jpg_err_shift) & BUZ_MASK_STAT_COM;
+ else
+ i = ((zr->jpg_dma_tail - zr->jpg_err_shift) & 1) * 2;
+ if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) {
+ /* Mimic zr36067 operation */
+ zr->stat_com[i] |= cpu_to_le32(1);
+ if (zr->jpg_settings.TmpDcm != 1)
+ zr->stat_com[i + 1] |= cpu_to_le32(1);
+ /* Refill */
+ zoran_reap_stat_com(zr);
+ zoran_feed_stat_com(zr);
+ wake_up_interruptible(&zr->jpg_capq);
+ /* Find an entry in stat_com again after refill */
+ if (zr->jpg_settings.TmpDcm == 1)
+ i = (zr->jpg_dma_tail - zr->jpg_err_shift) & BUZ_MASK_STAT_COM;
+ else
+ i = ((zr->jpg_dma_tail - zr->jpg_err_shift) & 1) * 2;
+ }
+ if (i) {
+ /* Rotate stat_comm entries to make current entry first */
+ int j;
+ __le32 bus_addr[BUZ_NUM_STAT_COM];
+
+ /* Here we are copying the stat_com array, which
+ * is already in little endian format, so
+ * no endian conversions here
+ */
+ memcpy(bus_addr, zr->stat_com, sizeof(bus_addr));
- /* Now the stat_comm buffer is ready for restart */
- do {
- int status, mode;
-
- if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) {
- decoder_command(zr, DECODER_GET_STATUS, &status);
- mode = CODEC_DO_COMPRESSION;
- } else {
- status = 0;
- mode = CODEC_DO_EXPANSION;
- }
- if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS ||
- (status & DECODER_STATUS_GOOD)) {
- /********** RESTART code *************/
- jpeg_codec_reset(zr);
- zr->codec->set_mode(zr->codec, mode);
- zr36057_set_jpg(zr, zr->codec_mode);
- jpeg_start(zr);
-
- if (zr->num_errors <= 8)
- dprintk(2, KERN_INFO "%s: Restart\n",
- ZR_DEVNAME(zr));
+ for (j = 0; j < BUZ_NUM_STAT_COM; j++)
+ zr->stat_com[j] = bus_addr[(i + j) & BUZ_MASK_STAT_COM];
- zr->JPEG_missed = 0;
- zr->JPEG_error = 2;
- /********** End RESTART code ***********/
- }
- } while (0);
+ zr->jpg_err_shift += i;
+ zr->jpg_err_shift &= BUZ_MASK_STAT_COM;
+ }
+ if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS)
+ zr->jpg_err_seq = zr->jpg_seq_num; /* + 1; */
+ zoran_restart(zr);
}
irqreturn_t
* We simply ignore them */
if (zr->v4l_memgrab_active) {
-
/* A lot more checks should be here ... */
- if ((btread(ZR36057_VSSFGR) &
- ZR36057_VSSFGR_SnapShot) == 0)
+ if ((btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_SnapShot) == 0)
dprintk(1,
KERN_WARNING
"%s: BuzIRQ with SnapShot off ???\n",
if (zr->v4l_grab_frame != NO_GRAB_ACTIVE) {
/* There is a grab on a frame going on, check if it has finished */
-
- if ((btread(ZR36057_VSSFGR) &
- ZR36057_VSSFGR_FrameGrab) ==
- 0) {
+ if ((btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_FrameGrab) == 0) {
/* it is finished, notify the user */
zr->v4l_buffers.buffer[zr->v4l_grab_frame].state = BUZ_STATE_DONE;
if (zr->v4l_grab_frame == NO_GRAB_ACTIVE &&
zr->v4l_pend_tail != zr->v4l_pend_head) {
-
- int frame = zr->v4l_pend[zr->v4l_pend_tail &
- V4L_MASK_FRAME];
+ int frame = zr->v4l_pend[zr->v4l_pend_tail & V4L_MASK_FRAME];
u32 reg;
zr->v4l_grab_frame = frame;
/* Buffer address */
- reg =
- zr->v4l_buffers.buffer[frame].
- fbuffer_bus;
+ reg = zr->v4l_buffers.buffer[frame].fbuffer_bus;
btwrite(reg, ZR36057_VDTR);
- if (zr->v4l_settings.height >
- BUZ_MAX_HEIGHT / 2)
- reg +=
- zr->v4l_settings.
- bytesperline;
+ if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2)
+ reg += zr->v4l_settings.bytesperline;
btwrite(reg, ZR36057_VDBR);
/* video stride, status, and frame grab register */
reg = 0;
- if (zr->v4l_settings.height >
- BUZ_MAX_HEIGHT / 2)
- reg +=
- zr->v4l_settings.
- bytesperline;
- reg =
- (reg <<
- ZR36057_VSSFGR_DispStride);
+ if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2)
+ reg += zr->v4l_settings.bytesperline;
+ reg = (reg << ZR36057_VSSFGR_DispStride);
reg |= ZR36057_VSSFGR_VidOvf;
reg |= ZR36057_VSSFGR_SnapShot;
reg |= ZR36057_VSSFGR_FrameGrab;
#if (IRQ_MASK & ZR36057_ISR_CodRepIRQ)
if (astat & ZR36057_ISR_CodRepIRQ) {
zr->intr_counter_CodRepIRQ++;
- IDEBUG(printk
- (KERN_DEBUG "%s: ZR36057_ISR_CodRepIRQ\n",
+ IDEBUG(printk(KERN_DEBUG "%s: ZR36057_ISR_CodRepIRQ\n",
ZR_DEVNAME(zr)));
btand(~ZR36057_ICR_CodRepIRQ, ZR36057_ICR);
}
#endif /* (IRQ_MASK & ZR36057_ISR_CodRepIRQ) */
#if (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ)
- if (astat & ZR36057_ISR_JPEGRepIRQ) {
-
- if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS ||
- zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) {
- if (zr36067_debug > 1 &&
- (!zr->frame_num || zr->JPEG_error)) {
- printk(KERN_INFO
- "%s: first frame ready: state=0x%08x odd_even=%d field_per_buff=%d delay=%d\n",
- ZR_DEVNAME(zr), stat,
- zr->jpg_settings.odd_even,
- zr->jpg_settings.
- field_per_buff,
- zr->JPEG_missed);
- {
- char sc[] = "0000";
- char sv[5];
- int i;
- strcpy(sv, sc);
- for (i = 0; i < 4; i++) {
- if (le32_to_cpu(zr->stat_com[i]) & 1)
- sv[i] = '1';
- }
- sv[4] = 0;
- printk(KERN_INFO
- "%s: stat_com=%s queue_state=%ld/%ld/%ld/%ld\n",
- ZR_DEVNAME(zr), sv,
- zr->jpg_que_tail,
- zr->jpg_dma_tail,
- zr->jpg_dma_head,
- zr->jpg_que_head);
- }
- } else {
- if (zr->JPEG_missed > zr->JPEG_max_missed) // Get statistics
- zr->JPEG_max_missed =
- zr->JPEG_missed;
- if (zr->JPEG_missed <
- zr->JPEG_min_missed)
- zr->JPEG_min_missed =
- zr->JPEG_missed;
+ if ((astat & ZR36057_ISR_JPEGRepIRQ) &&
+ (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS ||
+ zr->codec_mode == BUZ_MODE_MOTION_COMPRESS)) {
+ if (zr36067_debug > 1 && (!zr->frame_num || zr->JPEG_error)) {
+ char sc[] = "0000";
+ char sv[5];
+ int i;
+
+ printk(KERN_INFO
+ "%s: first frame ready: state=0x%08x odd_even=%d field_per_buff=%d delay=%d\n",
+ ZR_DEVNAME(zr), stat,
+ zr->jpg_settings.odd_even,
+ zr->jpg_settings.field_per_buff,
+ zr->JPEG_missed);
+
+ strcpy(sv, sc);
+ for (i = 0; i < 4; i++) {
+ if (le32_to_cpu(zr->stat_com[i]) & 1)
+ sv[i] = '1';
}
+ sv[4] = 0;
+ printk(KERN_INFO
+ "%s: stat_com=%s queue_state=%ld/%ld/%ld/%ld\n",
+ ZR_DEVNAME(zr), sv,
+ zr->jpg_que_tail,
+ zr->jpg_dma_tail,
+ zr->jpg_dma_head,
+ zr->jpg_que_head);
+ } else {
+ /* Get statistics */
+ if (zr->JPEG_missed > zr->JPEG_max_missed)
+ zr->JPEG_max_missed = zr->JPEG_missed;
+ if (zr->JPEG_missed < zr->JPEG_min_missed)
+ zr->JPEG_min_missed = zr->JPEG_missed;
+ }
- if (zr36067_debug > 2 && zr->frame_num < 6) {
- int i;
- printk("%s: seq=%ld stat_com:",
- ZR_DEVNAME(zr), zr->jpg_seq_num);
- for (i = 0; i < 4; i++) {
- printk(" %08x",
- le32_to_cpu(zr->stat_com[i]));
- }
- printk("\n");
+ if (zr36067_debug > 2 && zr->frame_num < 6) {
+ int i;
+
+ printk(KERN_INFO "%s: seq=%ld stat_com:",
+ ZR_DEVNAME(zr), zr->jpg_seq_num);
+ for (i = 0; i < 4; i++) {
+ printk(KERN_CONT " %08x",
+ le32_to_cpu(zr->stat_com[i]));
}
- zr->frame_num++;
- zr->JPEG_missed = 0;
- zr->JPEG_error = 0;
- zoran_reap_stat_com(zr);
- zoran_feed_stat_com(zr);
- wake_up_interruptible(&zr->jpg_capq);
- } /*else {
- dprintk(1,
- KERN_ERR
- "%s: JPEG interrupt while not in motion (de)compress mode!\n",
- ZR_DEVNAME(zr));
- }*/
+ printk(KERN_CONT "\n");
+ }
+ zr->frame_num++;
+ zr->JPEG_missed = 0;
+ zr->JPEG_error = 0;
+ zoran_reap_stat_com(zr);
+ zoran_feed_stat_com(zr);
+ wake_up_interruptible(&zr->jpg_capq);
}
#endif /* (IRQ_MASK & ZR36057_ISR_JPEGRepIRQ) */
zr->JPEG_missed > 25 ||
zr->JPEG_error == 1 ||
((zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) &&
- (zr->frame_num & (zr->JPEG_missed >
- zr->jpg_settings.field_per_buff)))) {
+ (zr->frame_num & (zr->JPEG_missed > zr->jpg_settings.field_per_buff)))) {
error_handler(zr, astat, stat);
}
projects / ~andy / linux / commitdiff