ste_dma40.c (b55912c66a317d9aaf4749488ca43d510c8a8a87) ste_dma40.c (0246e77b4d374bb37aa08c3fcadad20012e85ea0)
1/*
2 * driver/dma/ste_dma40.c
3 *
4 * Copyright (C) ST-Ericsson 2007-2010
5 * License terms: GNU General Public License (GPL) version 2
6 * Author: Per Friden <per.friden@stericsson.com>
7 * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
8 *

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873
874 d40c->pending_tx--;
875
876 if (d40c->pending_tx)
877 tasklet_schedule(&d40c->tasklet);
878
879 spin_unlock_irqrestore(&d40c->lock, flags);
880
1/*
2 * driver/dma/ste_dma40.c
3 *
4 * Copyright (C) ST-Ericsson 2007-2010
5 * License terms: GNU General Public License (GPL) version 2
6 * Author: Per Friden <per.friden@stericsson.com>
7 * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
8 *

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873
874 d40c->pending_tx--;
875
876 if (d40c->pending_tx)
877 tasklet_schedule(&d40c->tasklet);
878
879 spin_unlock_irqrestore(&d40c->lock, flags);
880
881 if (callback)
881 if (callback && (d40d_fin->txd.flags & DMA_PREP_INTERRUPT))
882 callback(callback_param);
883
884 return;
885
886 err:
887 /* Rescue manouver if receiving double interrupts */
888 if (d40c->pending_tx > 0)
889 d40c->pending_tx--;

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1578 }
1579
1580 (void) d40_log_sg_to_lli(d40c->lcla.src_id,
1581 sgl_src,
1582 sgl_len,
1583 d40d->lli_log.src,
1584 d40c->log_def.lcsp1,
1585 d40c->dma_cfg.src_info.data_width,
882 callback(callback_param);
883
884 return;
885
886 err:
887 /* Rescue manouver if receiving double interrupts */
888 if (d40c->pending_tx > 0)
889 d40c->pending_tx--;

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1578 }
1579
1580 (void) d40_log_sg_to_lli(d40c->lcla.src_id,
1581 sgl_src,
1582 sgl_len,
1583 d40d->lli_log.src,
1584 d40c->log_def.lcsp1,
1585 d40c->dma_cfg.src_info.data_width,
1586 dma_flags & DMA_PREP_INTERRUPT,
1587 d40d->lli_tx_len,
1588 d40c->base->plat_data->llis_per_log);
1589
1590 (void) d40_log_sg_to_lli(d40c->lcla.dst_id,
1591 sgl_dst,
1592 sgl_len,
1593 d40d->lli_log.dst,
1594 d40c->log_def.lcsp3,
1595 d40c->dma_cfg.dst_info.data_width,
1586 d40d->lli_tx_len,
1587 d40c->base->plat_data->llis_per_log);
1588
1589 (void) d40_log_sg_to_lli(d40c->lcla.dst_id,
1590 sgl_dst,
1591 sgl_len,
1592 d40d->lli_log.dst,
1593 d40c->log_def.lcsp3,
1594 d40c->dma_cfg.dst_info.data_width,
1596 dma_flags & DMA_PREP_INTERRUPT,
1597 d40d->lli_tx_len,
1598 d40c->base->plat_data->llis_per_log);
1599
1600
1601 } else {
1602 if (d40_pool_lli_alloc(d40d, sgl_len, false) < 0) {
1603 dev_err(&d40c->chan.dev->device,
1604 "[%s] Out of memory\n", __func__);
1605 goto err;
1606 }
1607
1608 res = d40_phy_sg_to_lli(sgl_src,
1609 sgl_len,
1610 0,
1611 d40d->lli_phy.src,
1612 d40d->lli_phy.src_addr,
1613 d40c->src_def_cfg,
1614 d40c->dma_cfg.src_info.data_width,
1595 d40d->lli_tx_len,
1596 d40c->base->plat_data->llis_per_log);
1597
1598
1599 } else {
1600 if (d40_pool_lli_alloc(d40d, sgl_len, false) < 0) {
1601 dev_err(&d40c->chan.dev->device,
1602 "[%s] Out of memory\n", __func__);
1603 goto err;
1604 }
1605
1606 res = d40_phy_sg_to_lli(sgl_src,
1607 sgl_len,
1608 0,
1609 d40d->lli_phy.src,
1610 d40d->lli_phy.src_addr,
1611 d40c->src_def_cfg,
1612 d40c->dma_cfg.src_info.data_width,
1615 d40c->dma_cfg.src_info.psize,
1616 true);
1613 d40c->dma_cfg.src_info.psize);
1617
1618 if (res < 0)
1619 goto err;
1620
1621 res = d40_phy_sg_to_lli(sgl_dst,
1622 sgl_len,
1623 0,
1624 d40d->lli_phy.dst,
1625 d40d->lli_phy.dst_addr,
1626 d40c->dst_def_cfg,
1627 d40c->dma_cfg.dst_info.data_width,
1614
1615 if (res < 0)
1616 goto err;
1617
1618 res = d40_phy_sg_to_lli(sgl_dst,
1619 sgl_len,
1620 0,
1621 d40d->lli_phy.dst,
1622 d40d->lli_phy.dst_addr,
1623 d40c->dst_def_cfg,
1624 d40c->dma_cfg.dst_info.data_width,
1628 d40c->dma_cfg.dst_info.psize,
1629 true);
1625 d40c->dma_cfg.dst_info.psize);
1630
1631 if (res < 0)
1632 goto err;
1633
1634 (void) dma_map_single(d40c->base->dev, d40d->lli_phy.src,
1635 d40d->lli_pool.size, DMA_TO_DEVICE);
1636 }
1637

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1908
1909 total_size = d40_log_sg_to_dev(&d40c->lcla,
1910 sgl, sg_len,
1911 &d40d->lli_log,
1912 &d40c->log_def,
1913 d40c->dma_cfg.src_info.data_width,
1914 d40c->dma_cfg.dst_info.data_width,
1915 direction,
1626
1627 if (res < 0)
1628 goto err;
1629
1630 (void) dma_map_single(d40c->base->dev, d40d->lli_phy.src,
1631 d40d->lli_pool.size, DMA_TO_DEVICE);
1632 }
1633

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1904
1905 total_size = d40_log_sg_to_dev(&d40c->lcla,
1906 sgl, sg_len,
1907 &d40d->lli_log,
1908 &d40c->log_def,
1909 d40c->dma_cfg.src_info.data_width,
1910 d40c->dma_cfg.dst_info.data_width,
1911 direction,
1916 dma_flags & DMA_PREP_INTERRUPT,
1917 dev_addr, d40d->lli_tx_len,
1918 d40c->base->plat_data->llis_per_log);
1919
1920 if (total_size < 0)
1921 return -EINVAL;
1922
1923 return 0;
1924}

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1960
1961 res = d40_phy_sg_to_lli(sgl,
1962 sgl_len,
1963 src_dev_addr,
1964 d40d->lli_phy.src,
1965 d40d->lli_phy.src_addr,
1966 d40c->src_def_cfg,
1967 d40c->dma_cfg.src_info.data_width,
1912 dev_addr, d40d->lli_tx_len,
1913 d40c->base->plat_data->llis_per_log);
1914
1915 if (total_size < 0)
1916 return -EINVAL;
1917
1918 return 0;
1919}

--- 35 unchanged lines hidden (view full) ---

1955
1956 res = d40_phy_sg_to_lli(sgl,
1957 sgl_len,
1958 src_dev_addr,
1959 d40d->lli_phy.src,
1960 d40d->lli_phy.src_addr,
1961 d40c->src_def_cfg,
1962 d40c->dma_cfg.src_info.data_width,
1968 d40c->dma_cfg.src_info.psize,
1969 true);
1963 d40c->dma_cfg.src_info.psize);
1970 if (res < 0)
1971 return res;
1972
1973 res = d40_phy_sg_to_lli(sgl,
1974 sgl_len,
1975 dst_dev_addr,
1976 d40d->lli_phy.dst,
1977 d40d->lli_phy.dst_addr,
1978 d40c->dst_def_cfg,
1979 d40c->dma_cfg.dst_info.data_width,
1964 if (res < 0)
1965 return res;
1966
1967 res = d40_phy_sg_to_lli(sgl,
1968 sgl_len,
1969 dst_dev_addr,
1970 d40d->lli_phy.dst,
1971 d40d->lli_phy.dst_addr,
1972 d40c->dst_def_cfg,
1973 d40c->dma_cfg.dst_info.data_width,
1980 d40c->dma_cfg.dst_info.psize,
1981 true);
1974 d40c->dma_cfg.dst_info.psize);
1982 if (res < 0)
1983 return res;
1984
1985 (void) dma_map_single(d40c->base->dev, d40d->lli_phy.src,
1986 d40d->lli_pool.size, DMA_TO_DEVICE);
1987 return 0;
1988}
1989

--- 876 unchanged lines hidden --- 		1975 if (res < 0)
1976 return res;
1977
1978 (void) dma_map_single(d40c->base->dev, d40d->lli_phy.src,
1979 d40d->lli_pool.size, DMA_TO_DEVICE);
1980 return 0;
1981}
1982

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