Lines Matching full:jpu
162 #define JIFECNT_SWAP_WB (3 << 4) /* to JPU */
176 #define JIFDCNT_SWAP_WB (3 << 1) /* from JPU */
190 * struct jpu - JPEG IP abstraction
204 struct jpu { struct
268 * @jpu: JPEG IP device for this context
277 struct jpu *jpu; member
475 static u32 jpu_read(struct jpu *jpu, unsigned int reg) in jpu_read() argument
477 return ioread32(jpu->regs + reg); in jpu_read()
480 static void jpu_write(struct jpu *jpu, u32 val, unsigned int reg) in jpu_write() argument
482 iowrite32(val, jpu->regs + reg); in jpu_write()
495 static void jpu_set_tbl(struct jpu *jpu, u32 reg, const unsigned int *tbl, in jpu_set_tbl() argument
500 jpu_write(jpu, tbl[i], reg + (i << 2)); in jpu_set_tbl()
503 static void jpu_set_qtbl(struct jpu *jpu, unsigned short quality) in jpu_set_qtbl() argument
505 jpu_set_tbl(jpu, JCQTBL(0), qtbl_lum[quality], QTBL_SIZE); in jpu_set_qtbl()
506 jpu_set_tbl(jpu, JCQTBL(1), qtbl_chr[quality], QTBL_SIZE); in jpu_set_qtbl()
509 static void jpu_set_htbl(struct jpu *jpu) in jpu_set_htbl() argument
511 jpu_set_tbl(jpu, JCHTBD(0), hdctbl_lum, HDCTBL_SIZE); in jpu_set_htbl()
512 jpu_set_tbl(jpu, JCHTBA(0), hactbl_lum, HACTBL_SIZE); in jpu_set_htbl()
513 jpu_set_tbl(jpu, JCHTBD(1), hdctbl_chr, HDCTBL_SIZE); in jpu_set_htbl()
514 jpu_set_tbl(jpu, JCHTBA(1), hactbl_chr, HACTBL_SIZE); in jpu_set_htbl()
517 static int jpu_wait_reset(struct jpu *jpu) in jpu_wait_reset() argument
523 while (jpu_read(jpu, JCCMD) & JCCMD_SRST) { in jpu_wait_reset()
525 dev_err(jpu->dev, "timed out in reset\n"); in jpu_wait_reset()
534 static int jpu_reset(struct jpu *jpu) in jpu_reset() argument
536 jpu_write(jpu, JCCMD_SRST, JCCMD); in jpu_reset()
537 return jpu_wait_reset(jpu); in jpu_reset()
613 * basic size check and EOI - we don't want to let JPU cross in jpu_parse_hdr()
673 dev_name(ctx->jpu->dev)); in jpu_querycap()
782 dev_dbg(ctx->jpu->dev, "unknown format; set default format\n"); in __jpu_try_fmt()
860 v4l2_err(&ctx->jpu->v4l2_dev, "%s queue busy\n", __func__); in jpu_s_fmt()
898 spin_lock_irqsave(&ctx->jpu->lock, flags); in jpu_s_ctrl()
901 spin_unlock_irqrestore(&ctx->jpu->lock, flags); in jpu_s_ctrl()
938 dev_err(ctx->jpu->dev, "src and dst formats do not match.\n"); in jpu_streamon()
1052 dev_err(ctx->jpu->dev, "%s field isn't supported\n", in jpu_buf_prepare()
1062 dev_err(ctx->jpu->dev, in jpu_buf_prepare()
1121 dev_err(ctx->jpu->dev, "incompatible or corrupted JPEG data\n"); in jpu_buf_queue()
1173 spin_lock_irqsave(&ctx->jpu->lock, flags); in jpu_stop_streaming()
1175 spin_unlock_irqrestore(&ctx->jpu->lock, flags); in jpu_stop_streaming()
1204 src_vq->lock = &ctx->jpu->mutex; in jpu_queue_init()
1205 src_vq->dev = ctx->jpu->v4l2_dev.dev; in jpu_queue_init()
1219 dst_vq->lock = &ctx->jpu->mutex; in jpu_queue_init()
1220 dst_vq->dev = ctx->jpu->v4l2_dev.dev; in jpu_queue_init()
1232 struct jpu *jpu = video_drvdata(file); in jpu_open() local
1246 ctx->jpu = jpu; in jpu_open()
1247 ctx->encoder = vfd == &jpu->vfd_encoder; in jpu_open()
1254 ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(jpu->m2m_dev, ctx, jpu_queue_init); in jpu_open()
1264 if (mutex_lock_interruptible(&jpu->mutex)) { in jpu_open()
1269 if (jpu->ref_count == 0) { in jpu_open()
1270 ret = clk_prepare_enable(jpu->clk); in jpu_open()
1274 ret = jpu_reset(jpu); in jpu_open()
1279 jpu->ref_count++; in jpu_open()
1281 mutex_unlock(&jpu->mutex); in jpu_open()
1285 clk_disable_unprepare(jpu->clk); in jpu_open()
1287 mutex_unlock(&jpu->mutex); in jpu_open()
1297 struct jpu *jpu = video_drvdata(file); in jpu_release() local
1306 mutex_lock(&jpu->mutex); in jpu_release()
1307 if (--jpu->ref_count == 0) in jpu_release()
1308 clk_disable_unprepare(jpu->clk); in jpu_release()
1309 mutex_unlock(&jpu->mutex); in jpu_release()
1334 spin_lock_irqsave(&ctx->jpu->lock, flags); in jpu_cleanup()
1344 jpu_write(ctx->jpu, JCCMD_SRST, JCCMD); in jpu_cleanup()
1346 spin_unlock_irqrestore(&ctx->jpu->lock, flags); in jpu_cleanup()
1348 v4l2_m2m_job_finish(ctx->jpu->m2m_dev, ctx->fh.m2m_ctx); in jpu_cleanup()
1354 struct jpu *jpu = ctx->jpu; in jpu_device_run() local
1363 if (jpu_wait_reset(jpu)) { in jpu_device_run()
1368 spin_lock_irqsave(&ctx->jpu->lock, flags); in jpu_device_run()
1370 jpu->curr = ctx; in jpu_device_run()
1413 jpu_write(jpu, JCMOD_DSP_ENC | JCMOD_PCTR | redu | in jpu_device_run()
1416 jpu_write(jpu, JIFECNT_SWAP_WB | inft, JIFECNT); in jpu_device_run()
1417 jpu_write(jpu, JIFDCNT_SWAP_WB, JIFDCNT); in jpu_device_run()
1418 jpu_write(jpu, JINTE_TRANSF_COMPL, JINTE); in jpu_device_run()
1421 jpu_write(jpu, src_1_addr, JIFESYA1); in jpu_device_run()
1422 jpu_write(jpu, src_2_addr, JIFESCA1); in jpu_device_run()
1425 jpu_write(jpu, bpl, JIFESMW); in jpu_device_run()
1427 jpu_write(jpu, (w >> 8) & JCSZ_MASK, JCHSZU); in jpu_device_run()
1428 jpu_write(jpu, w & JCSZ_MASK, JCHSZD); in jpu_device_run()
1430 jpu_write(jpu, (h >> 8) & JCSZ_MASK, JCVSZU); in jpu_device_run()
1431 jpu_write(jpu, h & JCSZ_MASK, JCVSZD); in jpu_device_run()
1433 jpu_write(jpu, w, JIFESHSZ); in jpu_device_run()
1434 jpu_write(jpu, h, JIFESVSZ); in jpu_device_run()
1436 jpu_write(jpu, dst_addr + JPU_JPEG_HDR_SIZE, JIFEDA1); in jpu_device_run()
1438 jpu_write(jpu, 0 << JCQTN_SHIFT(1) | 1 << JCQTN_SHIFT(2) | in jpu_device_run()
1441 jpu_write(jpu, 0 << JCHTN_AC_SHIFT(1) | 0 << JCHTN_DC_SHIFT(1) | in jpu_device_run()
1446 jpu_set_qtbl(jpu, ctx->compr_quality); in jpu_device_run()
1447 jpu_set_htbl(jpu); in jpu_device_run()
1452 dev_err(ctx->jpu->dev, in jpu_device_run()
1454 spin_unlock_irqrestore(&ctx->jpu->lock, flags); in jpu_device_run()
1469 jpu_write(jpu, JCMOD_DSP_DEC | JCMOD_PCTR, JCMOD); in jpu_device_run()
1470 jpu_write(jpu, JIFECNT_SWAP_WB, JIFECNT); in jpu_device_run()
1471 jpu_write(jpu, JIFDCNT_SWAP_WB, JIFDCNT); in jpu_device_run()
1474 jpu_write(jpu, JINTE_TRANSF_COMPL | JINTE_ERR, JINTE); in jpu_device_run()
1477 jpu_write(jpu, src_addr, JIFDSA1); in jpu_device_run()
1478 jpu_write(jpu, dst_1_addr, JIFDDYA1); in jpu_device_run()
1479 jpu_write(jpu, dst_2_addr, JIFDDCA1); in jpu_device_run()
1481 jpu_write(jpu, bpl, JIFDDMW); in jpu_device_run()
1485 jpu_write(jpu, JCCMD_JSRT, JCCMD); in jpu_device_run()
1487 spin_unlock_irqrestore(&ctx->jpu->lock, flags); in jpu_device_run()
1501 struct jpu *jpu = dev_id; in jpu_irq_handler() local
1506 int_status = jpu_read(jpu, JINTS); in jpu_irq_handler()
1514 jpu_write(jpu, ~(int_status & JINTS_MASK), JINTS); in jpu_irq_handler()
1516 jpu_write(jpu, JCCMD_JEND, JCCMD); in jpu_irq_handler()
1518 spin_lock(&jpu->lock); in jpu_irq_handler()
1524 curr_ctx = v4l2_m2m_get_curr_priv(jpu->m2m_dev); in jpu_irq_handler()
1527 dev_err(jpu->dev, "no active context for m2m\n"); in jpu_irq_handler()
1536 unsigned long payload_size = jpu_read(jpu, JCDTCU) << 16 in jpu_irq_handler()
1537 | jpu_read(jpu, JCDTCM) << 8 in jpu_irq_handler()
1538 | jpu_read(jpu, JCDTCD); in jpu_irq_handler()
1555 unsigned char error = jpu_read(jpu, JCDERR) & JCDERR_MASK; in jpu_irq_handler()
1557 dev_dbg(jpu->dev, "processing error: %#X: %s\n", error, in jpu_irq_handler()
1564 jpu->curr = NULL; in jpu_irq_handler()
1566 /* ...reset JPU after completion */ in jpu_irq_handler()
1567 jpu_write(jpu, JCCMD_SRST, JCCMD); in jpu_irq_handler()
1568 spin_unlock(&jpu->lock); in jpu_irq_handler()
1570 v4l2_m2m_job_finish(jpu->m2m_dev, curr_ctx->fh.m2m_ctx); in jpu_irq_handler()
1575 spin_unlock(&jpu->lock); in jpu_irq_handler()
1585 { .compatible = "renesas,jpu-r8a7790" }, /* H2 */
1586 { .compatible = "renesas,jpu-r8a7791" }, /* M2-W */
1587 { .compatible = "renesas,jpu-r8a7792" }, /* V2H */
1588 { .compatible = "renesas,jpu-r8a7793" }, /* M2-N */
1589 { .compatible = "renesas,rcar-gen2-jpu" },
1596 struct jpu *jpu; in jpu_probe() local
1601 jpu = devm_kzalloc(&pdev->dev, sizeof(*jpu), GFP_KERNEL); in jpu_probe()
1602 if (!jpu) in jpu_probe()
1605 mutex_init(&jpu->mutex); in jpu_probe()
1606 spin_lock_init(&jpu->lock); in jpu_probe()
1607 jpu->dev = &pdev->dev; in jpu_probe()
1611 jpu->regs = devm_ioremap_resource(&pdev->dev, res); in jpu_probe()
1612 if (IS_ERR(jpu->regs)) in jpu_probe()
1613 return PTR_ERR(jpu->regs); in jpu_probe()
1616 jpu->irq = ret = platform_get_irq(pdev, 0); in jpu_probe()
1622 ret = devm_request_irq(&pdev->dev, jpu->irq, jpu_irq_handler, 0, in jpu_probe()
1623 dev_name(&pdev->dev), jpu); in jpu_probe()
1625 dev_err(&pdev->dev, "cannot claim IRQ %d\n", jpu->irq); in jpu_probe()
1630 jpu->clk = devm_clk_get(&pdev->dev, NULL); in jpu_probe()
1631 if (IS_ERR(jpu->clk)) { in jpu_probe()
1633 return PTR_ERR(jpu->clk); in jpu_probe()
1637 ret = v4l2_device_register(&pdev->dev, &jpu->v4l2_dev); in jpu_probe()
1644 jpu->m2m_dev = v4l2_m2m_init(&jpu_m2m_ops); in jpu_probe()
1645 if (IS_ERR(jpu->m2m_dev)) { in jpu_probe()
1646 v4l2_err(&jpu->v4l2_dev, "Failed to init mem2mem device\n"); in jpu_probe()
1647 ret = PTR_ERR(jpu->m2m_dev); in jpu_probe()
1655 strscpy(jpu->vfd_encoder.name, DRV_NAME, sizeof(jpu->vfd_encoder.name)); in jpu_probe()
1656 jpu->vfd_encoder.fops = &jpu_fops; in jpu_probe()
1657 jpu->vfd_encoder.ioctl_ops = &jpu_ioctl_ops; in jpu_probe()
1658 jpu->vfd_encoder.minor = -1; in jpu_probe()
1659 jpu->vfd_encoder.release = video_device_release_empty; in jpu_probe()
1660 jpu->vfd_encoder.lock = &jpu->mutex; in jpu_probe()
1661 jpu->vfd_encoder.v4l2_dev = &jpu->v4l2_dev; in jpu_probe()
1662 jpu->vfd_encoder.vfl_dir = VFL_DIR_M2M; in jpu_probe()
1663 jpu->vfd_encoder.device_caps = V4L2_CAP_STREAMING | in jpu_probe()
1666 ret = video_register_device(&jpu->vfd_encoder, VFL_TYPE_VIDEO, -1); in jpu_probe()
1668 v4l2_err(&jpu->v4l2_dev, "Failed to register video device\n"); in jpu_probe()
1672 video_set_drvdata(&jpu->vfd_encoder, jpu); in jpu_probe()
1674 strscpy(jpu->vfd_decoder.name, DRV_NAME, sizeof(jpu->vfd_decoder.name)); in jpu_probe()
1675 jpu->vfd_decoder.fops = &jpu_fops; in jpu_probe()
1676 jpu->vfd_decoder.ioctl_ops = &jpu_ioctl_ops; in jpu_probe()
1677 jpu->vfd_decoder.minor = -1; in jpu_probe()
1678 jpu->vfd_decoder.release = video_device_release_empty; in jpu_probe()
1679 jpu->vfd_decoder.lock = &jpu->mutex; in jpu_probe()
1680 jpu->vfd_decoder.v4l2_dev = &jpu->v4l2_dev; in jpu_probe()
1681 jpu->vfd_decoder.vfl_dir = VFL_DIR_M2M; in jpu_probe()
1682 jpu->vfd_decoder.device_caps = V4L2_CAP_STREAMING | in jpu_probe()
1685 ret = video_register_device(&jpu->vfd_decoder, VFL_TYPE_VIDEO, -1); in jpu_probe()
1687 v4l2_err(&jpu->v4l2_dev, "Failed to register video device\n"); in jpu_probe()
1691 video_set_drvdata(&jpu->vfd_decoder, jpu); in jpu_probe()
1692 platform_set_drvdata(pdev, jpu); in jpu_probe()
1694 v4l2_info(&jpu->v4l2_dev, "encoder device registered as /dev/video%d\n", in jpu_probe()
1695 jpu->vfd_encoder.num); in jpu_probe()
1696 v4l2_info(&jpu->v4l2_dev, "decoder device registered as /dev/video%d\n", in jpu_probe()
1697 jpu->vfd_decoder.num); in jpu_probe()
1702 video_unregister_device(&jpu->vfd_encoder); in jpu_probe()
1705 v4l2_m2m_release(jpu->m2m_dev); in jpu_probe()
1708 v4l2_device_unregister(&jpu->v4l2_dev); in jpu_probe()
1715 struct jpu *jpu = platform_get_drvdata(pdev); in jpu_remove() local
1717 video_unregister_device(&jpu->vfd_decoder); in jpu_remove()
1718 video_unregister_device(&jpu->vfd_encoder); in jpu_remove()
1719 v4l2_m2m_release(jpu->m2m_dev); in jpu_remove()
1720 v4l2_device_unregister(&jpu->v4l2_dev); in jpu_remove()
1728 struct jpu *jpu = dev_get_drvdata(dev); in jpu_suspend() local
1730 if (jpu->ref_count == 0) in jpu_suspend()
1733 clk_disable_unprepare(jpu->clk); in jpu_suspend()
1740 struct jpu *jpu = dev_get_drvdata(dev); in jpu_resume() local
1742 if (jpu->ref_count == 0) in jpu_resume()
1745 clk_prepare_enable(jpu->clk); in jpu_resume()