Lines Matching refs:jpu
209 struct jpu { struct
284 struct jpu *jpu; member
482 static u32 jpu_read(struct jpu *jpu, unsigned int reg) in jpu_read() argument
484 return ioread32(jpu->regs + reg); in jpu_read()
487 static void jpu_write(struct jpu *jpu, u32 val, unsigned int reg) in jpu_write() argument
489 iowrite32(val, jpu->regs + reg); in jpu_write()
502 static void jpu_set_tbl(struct jpu *jpu, u32 reg, const unsigned int *tbl, in jpu_set_tbl() argument
507 jpu_write(jpu, tbl[i], reg + (i << 2)); in jpu_set_tbl()
510 static void jpu_set_qtbl(struct jpu *jpu, unsigned short quality) in jpu_set_qtbl() argument
512 jpu_set_tbl(jpu, JCQTBL(0), qtbl_lum[quality], QTBL_SIZE); in jpu_set_qtbl()
513 jpu_set_tbl(jpu, JCQTBL(1), qtbl_chr[quality], QTBL_SIZE); in jpu_set_qtbl()
516 static void jpu_set_htbl(struct jpu *jpu) in jpu_set_htbl() argument
518 jpu_set_tbl(jpu, JCHTBD(0), hdctbl_lum, HDCTBL_SIZE); in jpu_set_htbl()
519 jpu_set_tbl(jpu, JCHTBA(0), hactbl_lum, HACTBL_SIZE); in jpu_set_htbl()
520 jpu_set_tbl(jpu, JCHTBD(1), hdctbl_chr, HDCTBL_SIZE); in jpu_set_htbl()
521 jpu_set_tbl(jpu, JCHTBA(1), hactbl_chr, HACTBL_SIZE); in jpu_set_htbl()
524 static int jpu_wait_reset(struct jpu *jpu) in jpu_wait_reset() argument
530 while (jpu_read(jpu, JCCMD) & JCCMD_SRST) { in jpu_wait_reset()
532 dev_err(jpu->dev, "timed out in reset\n"); in jpu_wait_reset()
541 static int jpu_reset(struct jpu *jpu) in jpu_reset() argument
543 jpu_write(jpu, JCCMD_SRST, JCCMD); in jpu_reset()
544 return jpu_wait_reset(jpu); in jpu_reset()
680 dev_name(ctx->jpu->dev)); in jpu_querycap()
791 dev_dbg(ctx->jpu->dev, "unknown format; set default format\n"); in __jpu_try_fmt()
869 v4l2_err(&ctx->jpu->v4l2_dev, "%s queue busy\n", __func__); in jpu_s_fmt()
907 spin_lock_irqsave(&ctx->jpu->lock, flags); in jpu_s_ctrl()
910 spin_unlock_irqrestore(&ctx->jpu->lock, flags); in jpu_s_ctrl()
947 dev_err(ctx->jpu->dev, "src and dst formats do not match.\n"); in jpu_streamon()
1040 alloc_ctxs[i] = ctx->jpu->alloc_ctx; in jpu_queue_setup()
1059 dev_err(ctx->jpu->dev, "%s field isn't supported\n", in jpu_buf_prepare()
1069 dev_err(ctx->jpu->dev, in jpu_buf_prepare()
1128 dev_err(ctx->jpu->dev, "incompatible or corrupted JPEG data\n"); in jpu_buf_queue()
1180 spin_lock_irqsave(&ctx->jpu->lock, flags); in jpu_stop_streaming()
1182 spin_unlock_irqrestore(&ctx->jpu->lock, flags); in jpu_stop_streaming()
1211 src_vq->lock = &ctx->jpu->mutex; in jpu_queue_init()
1225 dst_vq->lock = &ctx->jpu->mutex; in jpu_queue_init()
1237 struct jpu *jpu = video_drvdata(file); in jpu_open() local
1251 ctx->jpu = jpu; in jpu_open()
1252 ctx->encoder = vfd == &jpu->vfd_encoder; in jpu_open()
1259 ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(jpu->m2m_dev, ctx, jpu_queue_init); in jpu_open()
1269 if (mutex_lock_interruptible(&jpu->mutex)) { in jpu_open()
1274 if (jpu->ref_count == 0) { in jpu_open()
1275 ret = clk_prepare_enable(jpu->clk); in jpu_open()
1279 ret = jpu_reset(jpu); in jpu_open()
1284 jpu->ref_count++; in jpu_open()
1286 mutex_unlock(&jpu->mutex); in jpu_open()
1290 mutex_unlock(&jpu->mutex); in jpu_open()
1300 struct jpu *jpu = video_drvdata(file); in jpu_release() local
1303 mutex_lock(&jpu->mutex); in jpu_release()
1304 if (--jpu->ref_count == 0) in jpu_release()
1305 clk_disable_unprepare(jpu->clk); in jpu_release()
1306 mutex_unlock(&jpu->mutex); in jpu_release()
1337 spin_lock_irqsave(&ctx->jpu->lock, flags); in jpu_cleanup()
1347 jpu_write(ctx->jpu, JCCMD_SRST, JCCMD); in jpu_cleanup()
1349 spin_unlock_irqrestore(&ctx->jpu->lock, flags); in jpu_cleanup()
1351 v4l2_m2m_job_finish(ctx->jpu->m2m_dev, ctx->fh.m2m_ctx); in jpu_cleanup()
1357 struct jpu *jpu = ctx->jpu; in jpu_device_run() local
1366 if (jpu_wait_reset(jpu)) { in jpu_device_run()
1371 spin_lock_irqsave(&ctx->jpu->lock, flags); in jpu_device_run()
1373 jpu->curr = ctx; in jpu_device_run()
1416 jpu_write(jpu, JCMOD_DSP_ENC | JCMOD_PCTR | redu | in jpu_device_run()
1419 jpu_write(jpu, JIFECNT_SWAP_WB | inft, JIFECNT); in jpu_device_run()
1420 jpu_write(jpu, JIFDCNT_SWAP_WB, JIFDCNT); in jpu_device_run()
1421 jpu_write(jpu, JINTE_TRANSF_COMPL, JINTE); in jpu_device_run()
1424 jpu_write(jpu, src_1_addr, JIFESYA1); in jpu_device_run()
1425 jpu_write(jpu, src_2_addr, JIFESCA1); in jpu_device_run()
1428 jpu_write(jpu, bpl, JIFESMW); in jpu_device_run()
1430 jpu_write(jpu, (w >> 8) & JCSZ_MASK, JCHSZU); in jpu_device_run()
1431 jpu_write(jpu, w & JCSZ_MASK, JCHSZD); in jpu_device_run()
1433 jpu_write(jpu, (h >> 8) & JCSZ_MASK, JCVSZU); in jpu_device_run()
1434 jpu_write(jpu, h & JCSZ_MASK, JCVSZD); in jpu_device_run()
1436 jpu_write(jpu, w, JIFESHSZ); in jpu_device_run()
1437 jpu_write(jpu, h, JIFESVSZ); in jpu_device_run()
1439 jpu_write(jpu, dst_addr + JPU_JPEG_HDR_SIZE, JIFEDA1); in jpu_device_run()
1441 jpu_write(jpu, 0 << JCQTN_SHIFT(1) | 1 << JCQTN_SHIFT(2) | in jpu_device_run()
1444 jpu_write(jpu, 0 << JCHTN_AC_SHIFT(1) | 0 << JCHTN_DC_SHIFT(1) | in jpu_device_run()
1449 jpu_set_qtbl(jpu, ctx->compr_quality); in jpu_device_run()
1450 jpu_set_htbl(jpu); in jpu_device_run()
1455 dev_err(ctx->jpu->dev, in jpu_device_run()
1457 spin_unlock_irqrestore(&ctx->jpu->lock, flags); in jpu_device_run()
1472 jpu_write(jpu, JCMOD_DSP_DEC | JCMOD_PCTR, JCMOD); in jpu_device_run()
1473 jpu_write(jpu, JIFECNT_SWAP_WB, JIFECNT); in jpu_device_run()
1474 jpu_write(jpu, JIFDCNT_SWAP_WB, JIFDCNT); in jpu_device_run()
1477 jpu_write(jpu, JINTE_TRANSF_COMPL | JINTE_ERR, JINTE); in jpu_device_run()
1480 jpu_write(jpu, src_addr, JIFDSA1); in jpu_device_run()
1481 jpu_write(jpu, dst_1_addr, JIFDDYA1); in jpu_device_run()
1482 jpu_write(jpu, dst_2_addr, JIFDDCA1); in jpu_device_run()
1484 jpu_write(jpu, bpl, JIFDDMW); in jpu_device_run()
1488 jpu_write(jpu, JCCMD_JSRT, JCCMD); in jpu_device_run()
1490 spin_unlock_irqrestore(&ctx->jpu->lock, flags); in jpu_device_run()
1502 if (!wait_event_timeout(ctx->jpu->irq_queue, !ctx->jpu->curr, in jpu_job_abort()
1520 struct jpu *jpu = dev_id; in jpu_irq_handler() local
1525 int_status = jpu_read(jpu, JINTS); in jpu_irq_handler()
1533 jpu_write(jpu, ~(int_status & JINTS_MASK), JINTS); in jpu_irq_handler()
1535 jpu_write(jpu, JCCMD_JEND, JCCMD); in jpu_irq_handler()
1537 spin_lock(&jpu->lock); in jpu_irq_handler()
1543 curr_ctx = v4l2_m2m_get_curr_priv(jpu->m2m_dev); in jpu_irq_handler()
1546 dev_err(jpu->dev, "no active context for m2m\n"); in jpu_irq_handler()
1555 unsigned long payload_size = jpu_read(jpu, JCDTCU) << 16 in jpu_irq_handler()
1556 | jpu_read(jpu, JCDTCM) << 8 in jpu_irq_handler()
1557 | jpu_read(jpu, JCDTCD); in jpu_irq_handler()
1577 unsigned char error = jpu_read(jpu, JCDERR) & JCDERR_MASK; in jpu_irq_handler()
1579 dev_dbg(jpu->dev, "processing error: %#X: %s\n", error, in jpu_irq_handler()
1586 jpu->curr = NULL; in jpu_irq_handler()
1589 jpu_write(jpu, JCCMD_SRST, JCCMD); in jpu_irq_handler()
1590 spin_unlock(&jpu->lock); in jpu_irq_handler()
1592 v4l2_m2m_job_finish(jpu->m2m_dev, curr_ctx->fh.m2m_ctx); in jpu_irq_handler()
1595 wake_up(&jpu->irq_queue); in jpu_irq_handler()
1600 spin_unlock(&jpu->lock); in jpu_irq_handler()
1620 struct jpu *jpu; in jpu_probe() local
1625 jpu = devm_kzalloc(&pdev->dev, sizeof(*jpu), GFP_KERNEL); in jpu_probe()
1626 if (!jpu) in jpu_probe()
1629 init_waitqueue_head(&jpu->irq_queue); in jpu_probe()
1630 mutex_init(&jpu->mutex); in jpu_probe()
1631 spin_lock_init(&jpu->lock); in jpu_probe()
1632 jpu->dev = &pdev->dev; in jpu_probe()
1636 jpu->regs = devm_ioremap_resource(&pdev->dev, res); in jpu_probe()
1637 if (IS_ERR(jpu->regs)) in jpu_probe()
1638 return PTR_ERR(jpu->regs); in jpu_probe()
1641 jpu->irq = ret = platform_get_irq(pdev, 0); in jpu_probe()
1647 ret = devm_request_irq(&pdev->dev, jpu->irq, jpu_irq_handler, 0, in jpu_probe()
1648 dev_name(&pdev->dev), jpu); in jpu_probe()
1650 dev_err(&pdev->dev, "cannot claim IRQ %d\n", jpu->irq); in jpu_probe()
1655 jpu->clk = devm_clk_get(&pdev->dev, NULL); in jpu_probe()
1656 if (IS_ERR(jpu->clk)) { in jpu_probe()
1658 return PTR_ERR(jpu->clk); in jpu_probe()
1662 ret = v4l2_device_register(&pdev->dev, &jpu->v4l2_dev); in jpu_probe()
1669 jpu->m2m_dev = v4l2_m2m_init(&jpu_m2m_ops); in jpu_probe()
1670 if (IS_ERR(jpu->m2m_dev)) { in jpu_probe()
1671 v4l2_err(&jpu->v4l2_dev, "Failed to init mem2mem device\n"); in jpu_probe()
1672 ret = PTR_ERR(jpu->m2m_dev); in jpu_probe()
1676 jpu->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); in jpu_probe()
1677 if (IS_ERR(jpu->alloc_ctx)) { in jpu_probe()
1678 v4l2_err(&jpu->v4l2_dev, "Failed to init memory allocator\n"); in jpu_probe()
1679 ret = PTR_ERR(jpu->alloc_ctx); in jpu_probe()
1687 strlcpy(jpu->vfd_encoder.name, DRV_NAME, sizeof(jpu->vfd_encoder.name)); in jpu_probe()
1688 jpu->vfd_encoder.fops = &jpu_fops; in jpu_probe()
1689 jpu->vfd_encoder.ioctl_ops = &jpu_ioctl_ops; in jpu_probe()
1690 jpu->vfd_encoder.minor = -1; in jpu_probe()
1691 jpu->vfd_encoder.release = video_device_release_empty; in jpu_probe()
1692 jpu->vfd_encoder.lock = &jpu->mutex; in jpu_probe()
1693 jpu->vfd_encoder.v4l2_dev = &jpu->v4l2_dev; in jpu_probe()
1694 jpu->vfd_encoder.vfl_dir = VFL_DIR_M2M; in jpu_probe()
1696 ret = video_register_device(&jpu->vfd_encoder, VFL_TYPE_GRABBER, -1); in jpu_probe()
1698 v4l2_err(&jpu->v4l2_dev, "Failed to register video device\n"); in jpu_probe()
1702 video_set_drvdata(&jpu->vfd_encoder, jpu); in jpu_probe()
1704 strlcpy(jpu->vfd_decoder.name, DRV_NAME, sizeof(jpu->vfd_decoder.name)); in jpu_probe()
1705 jpu->vfd_decoder.fops = &jpu_fops; in jpu_probe()
1706 jpu->vfd_decoder.ioctl_ops = &jpu_ioctl_ops; in jpu_probe()
1707 jpu->vfd_decoder.minor = -1; in jpu_probe()
1708 jpu->vfd_decoder.release = video_device_release_empty; in jpu_probe()
1709 jpu->vfd_decoder.lock = &jpu->mutex; in jpu_probe()
1710 jpu->vfd_decoder.v4l2_dev = &jpu->v4l2_dev; in jpu_probe()
1711 jpu->vfd_decoder.vfl_dir = VFL_DIR_M2M; in jpu_probe()
1713 ret = video_register_device(&jpu->vfd_decoder, VFL_TYPE_GRABBER, -1); in jpu_probe()
1715 v4l2_err(&jpu->v4l2_dev, "Failed to register video device\n"); in jpu_probe()
1719 video_set_drvdata(&jpu->vfd_decoder, jpu); in jpu_probe()
1720 platform_set_drvdata(pdev, jpu); in jpu_probe()
1722 v4l2_info(&jpu->v4l2_dev, "encoder device registered as /dev/video%d\n", in jpu_probe()
1723 jpu->vfd_encoder.num); in jpu_probe()
1724 v4l2_info(&jpu->v4l2_dev, "decoder device registered as /dev/video%d\n", in jpu_probe()
1725 jpu->vfd_decoder.num); in jpu_probe()
1730 video_unregister_device(&jpu->vfd_encoder); in jpu_probe()
1733 vb2_dma_contig_cleanup_ctx(jpu->alloc_ctx); in jpu_probe()
1736 v4l2_m2m_release(jpu->m2m_dev); in jpu_probe()
1739 v4l2_device_unregister(&jpu->v4l2_dev); in jpu_probe()
1746 struct jpu *jpu = platform_get_drvdata(pdev); in jpu_remove() local
1748 video_unregister_device(&jpu->vfd_decoder); in jpu_remove()
1749 video_unregister_device(&jpu->vfd_encoder); in jpu_remove()
1750 vb2_dma_contig_cleanup_ctx(jpu->alloc_ctx); in jpu_remove()
1751 v4l2_m2m_release(jpu->m2m_dev); in jpu_remove()
1752 v4l2_device_unregister(&jpu->v4l2_dev); in jpu_remove()
1760 struct jpu *jpu = dev_get_drvdata(dev); in jpu_suspend() local
1762 if (jpu->ref_count == 0) in jpu_suspend()
1765 clk_disable_unprepare(jpu->clk); in jpu_suspend()
1772 struct jpu *jpu = dev_get_drvdata(dev); in jpu_resume() local
1774 if (jpu->ref_count == 0) in jpu_resume()
1777 clk_prepare_enable(jpu->clk); in jpu_resume()