Lines Matching refs:sdmac
404 struct sdma_channel *sdmac; member
699 static int sdma_config_ownership(struct sdma_channel *sdmac, in sdma_config_ownership() argument
702 struct sdma_engine *sdma = sdmac->sdma; in sdma_config_ownership()
703 int channel = sdmac->channel; in sdma_config_ownership()
802 static void sdma_event_enable(struct sdma_channel *sdmac, unsigned int event) in sdma_event_enable() argument
804 struct sdma_engine *sdma = sdmac->sdma; in sdma_event_enable()
805 int channel = sdmac->channel; in sdma_event_enable()
814 if (sdmac->sw_done) { in sdma_event_enable()
822 static void sdma_event_disable(struct sdma_channel *sdmac, unsigned int event) in sdma_event_disable() argument
824 struct sdma_engine *sdma = sdmac->sdma; in sdma_event_disable()
825 int channel = sdmac->channel; in sdma_event_disable()
839 static void sdma_start_desc(struct sdma_channel *sdmac) in sdma_start_desc() argument
841 struct virt_dma_desc *vd = vchan_next_desc(&sdmac->vc); in sdma_start_desc()
843 struct sdma_engine *sdma = sdmac->sdma; in sdma_start_desc()
844 int channel = sdmac->channel; in sdma_start_desc()
847 sdmac->desc = NULL; in sdma_start_desc()
850 sdmac->desc = desc = to_sdma_desc(&vd->tx); in sdma_start_desc()
856 sdma_enable_channel(sdma, sdmac->channel); in sdma_start_desc()
859 static void sdma_update_channel_loop(struct sdma_channel *sdmac) in sdma_update_channel_loop() argument
863 enum dma_status old_status = sdmac->status; in sdma_update_channel_loop()
869 while (sdmac->desc) { in sdma_update_channel_loop()
870 struct sdma_desc *desc = sdmac->desc; in sdma_update_channel_loop()
879 sdmac->status = DMA_ERROR; in sdma_update_channel_loop()
899 spin_unlock(&sdmac->vc.lock); in sdma_update_channel_loop()
901 spin_lock(&sdmac->vc.lock); in sdma_update_channel_loop()
907 sdmac->status = old_status; in sdma_update_channel_loop()
914 if (sdmac->desc && !is_sdma_channel_enabled(sdmac->sdma, sdmac->channel)) { in sdma_update_channel_loop()
915 dev_warn(sdmac->sdma->dev, "restart cyclic channel %d\n", sdmac->channel); in sdma_update_channel_loop()
916 sdma_enable_channel(sdmac->sdma, sdmac->channel); in sdma_update_channel_loop()
922 struct sdma_channel *sdmac = (struct sdma_channel *) data; in mxc_sdma_handle_channel_normal() local
926 sdmac->desc->chn_real_count = 0; in mxc_sdma_handle_channel_normal()
931 for (i = 0; i < sdmac->desc->num_bd; i++) { in mxc_sdma_handle_channel_normal()
932 bd = &sdmac->desc->bd[i]; in mxc_sdma_handle_channel_normal()
936 sdmac->desc->chn_real_count += bd->mode.count; in mxc_sdma_handle_channel_normal()
940 sdmac->status = DMA_ERROR; in mxc_sdma_handle_channel_normal()
942 sdmac->status = DMA_COMPLETE; in mxc_sdma_handle_channel_normal()
957 struct sdma_channel *sdmac = &sdma->channel[channel]; in sdma_int_handler() local
960 spin_lock(&sdmac->vc.lock); in sdma_int_handler()
961 desc = sdmac->desc; in sdma_int_handler()
963 if (sdmac->flags & IMX_DMA_SG_LOOP) { in sdma_int_handler()
964 if (sdmac->peripheral_type != IMX_DMATYPE_HDMI) in sdma_int_handler()
965 sdma_update_channel_loop(sdmac); in sdma_int_handler()
969 mxc_sdma_handle_channel_normal(sdmac); in sdma_int_handler()
971 sdma_start_desc(sdmac); in sdma_int_handler()
975 spin_unlock(&sdmac->vc.lock); in sdma_int_handler()
985 static int sdma_get_pc(struct sdma_channel *sdmac, in sdma_get_pc() argument
988 struct sdma_engine *sdma = sdmac->sdma; in sdma_get_pc()
996 sdmac->pc_from_device = 0; in sdma_get_pc()
997 sdmac->pc_to_device = 0; in sdma_get_pc()
998 sdmac->device_to_device = 0; in sdma_get_pc()
999 sdmac->pc_to_pc = 0; in sdma_get_pc()
1000 sdmac->is_ram_script = false; in sdma_get_pc()
1030 if (sdmac->sdma->drvdata->ecspi_fixed) { in sdma_get_pc()
1034 sdmac->is_ram_script = true; in sdma_get_pc()
1047 sdmac->is_ram_script = true; in sdma_get_pc()
1062 sdmac->is_ram_script = true; in sdma_get_pc()
1090 sdmac->is_ram_script = true; in sdma_get_pc()
1094 sdmac->is_ram_script = true; in sdma_get_pc()
1102 sdmac->pc_from_device = per_2_emi; in sdma_get_pc()
1103 sdmac->pc_to_device = emi_2_per; in sdma_get_pc()
1104 sdmac->device_to_device = per_2_per; in sdma_get_pc()
1105 sdmac->pc_to_pc = emi_2_emi; in sdma_get_pc()
1110 static int sdma_load_context(struct sdma_channel *sdmac) in sdma_load_context() argument
1112 struct sdma_engine *sdma = sdmac->sdma; in sdma_load_context()
1113 int channel = sdmac->channel; in sdma_load_context()
1120 if (sdmac->direction == DMA_DEV_TO_MEM) in sdma_load_context()
1121 load_address = sdmac->pc_from_device; in sdma_load_context()
1122 else if (sdmac->direction == DMA_DEV_TO_DEV) in sdma_load_context()
1123 load_address = sdmac->device_to_device; in sdma_load_context()
1124 else if (sdmac->direction == DMA_MEM_TO_MEM) in sdma_load_context()
1125 load_address = sdmac->pc_to_pc; in sdma_load_context()
1127 load_address = sdmac->pc_to_device; in sdma_load_context()
1133 dev_dbg(sdma->dev, "wml = 0x%08x\n", (u32)sdmac->watermark_level); in sdma_load_context()
1134 dev_dbg(sdma->dev, "shp_addr = 0x%08x\n", sdmac->shp_addr); in sdma_load_context()
1135 dev_dbg(sdma->dev, "per_addr = 0x%08x\n", sdmac->per_addr); in sdma_load_context()
1136 dev_dbg(sdma->dev, "event_mask0 = 0x%08x\n", (u32)sdmac->event_mask[0]); in sdma_load_context()
1137 dev_dbg(sdma->dev, "event_mask1 = 0x%08x\n", (u32)sdmac->event_mask[1]); in sdma_load_context()
1147 if (sdmac->peripheral_type == IMX_DMATYPE_HDMI) { in sdma_load_context()
1148 context->gReg[4] = sdmac->per_addr; in sdma_load_context()
1149 context->gReg[6] = sdmac->shp_addr; in sdma_load_context()
1151 context->gReg[0] = sdmac->event_mask[1]; in sdma_load_context()
1152 context->gReg[1] = sdmac->event_mask[0]; in sdma_load_context()
1153 context->gReg[2] = sdmac->per_addr; in sdma_load_context()
1154 context->gReg[6] = sdmac->shp_addr; in sdma_load_context()
1155 context->gReg[7] = sdmac->watermark_level; in sdma_load_context()
1177 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_disable_channel() local
1178 struct sdma_engine *sdma = sdmac->sdma; in sdma_disable_channel()
1179 int channel = sdmac->channel; in sdma_disable_channel()
1182 sdmac->status = DMA_ERROR; in sdma_disable_channel()
1188 struct sdma_channel *sdmac = container_of(work, struct sdma_channel, in sdma_channel_terminate_work() local
1198 vchan_dma_desc_free_list(&sdmac->vc, &sdmac->terminated); in sdma_channel_terminate_work()
1203 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_terminate_all() local
1206 spin_lock_irqsave(&sdmac->vc.lock, flags); in sdma_terminate_all()
1210 if (sdmac->desc) { in sdma_terminate_all()
1211 vchan_terminate_vdesc(&sdmac->desc->vd); in sdma_terminate_all()
1218 vchan_get_all_descriptors(&sdmac->vc, &sdmac->terminated); in sdma_terminate_all()
1219 sdmac->desc = NULL; in sdma_terminate_all()
1220 schedule_work(&sdmac->terminate_worker); in sdma_terminate_all()
1223 spin_unlock_irqrestore(&sdmac->vc.lock, flags); in sdma_terminate_all()
1230 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_channel_synchronize() local
1232 vchan_synchronize(&sdmac->vc); in sdma_channel_synchronize()
1234 flush_work(&sdmac->terminate_worker); in sdma_channel_synchronize()
1237 static void sdma_set_watermarklevel_for_p2p(struct sdma_channel *sdmac) in sdma_set_watermarklevel_for_p2p() argument
1239 struct sdma_engine *sdma = sdmac->sdma; in sdma_set_watermarklevel_for_p2p()
1241 int lwml = sdmac->watermark_level & SDMA_WATERMARK_LEVEL_LWML; in sdma_set_watermarklevel_for_p2p()
1242 int hwml = (sdmac->watermark_level & SDMA_WATERMARK_LEVEL_HWML) >> 16; in sdma_set_watermarklevel_for_p2p()
1244 set_bit(sdmac->event_id0 % 32, &sdmac->event_mask[1]); in sdma_set_watermarklevel_for_p2p()
1245 set_bit(sdmac->event_id1 % 32, &sdmac->event_mask[0]); in sdma_set_watermarklevel_for_p2p()
1247 if (sdmac->event_id0 > 31) in sdma_set_watermarklevel_for_p2p()
1248 sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_LWE; in sdma_set_watermarklevel_for_p2p()
1250 if (sdmac->event_id1 > 31) in sdma_set_watermarklevel_for_p2p()
1251 sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_HWE; in sdma_set_watermarklevel_for_p2p()
1259 sdmac->watermark_level &= ~(SDMA_WATERMARK_LEVEL_LWML | in sdma_set_watermarklevel_for_p2p()
1261 sdmac->watermark_level |= hwml; in sdma_set_watermarklevel_for_p2p()
1262 sdmac->watermark_level |= lwml << 16; in sdma_set_watermarklevel_for_p2p()
1263 swap(sdmac->event_mask[0], sdmac->event_mask[1]); in sdma_set_watermarklevel_for_p2p()
1266 if (sdmac->per_address2 >= sdma->spba_start_addr && in sdma_set_watermarklevel_for_p2p()
1267 sdmac->per_address2 <= sdma->spba_end_addr) in sdma_set_watermarklevel_for_p2p()
1268 sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_SP; in sdma_set_watermarklevel_for_p2p()
1270 if (sdmac->per_address >= sdma->spba_start_addr && in sdma_set_watermarklevel_for_p2p()
1271 sdmac->per_address <= sdma->spba_end_addr) in sdma_set_watermarklevel_for_p2p()
1272 sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_DP; in sdma_set_watermarklevel_for_p2p()
1274 sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_CONT; in sdma_set_watermarklevel_for_p2p()
1281 if (sdmac->n_fifos_src > 1) in sdma_set_watermarklevel_for_p2p()
1282 sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_SD; in sdma_set_watermarklevel_for_p2p()
1283 if (sdmac->n_fifos_dst > 1) in sdma_set_watermarklevel_for_p2p()
1284 sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_DD; in sdma_set_watermarklevel_for_p2p()
1287 static void sdma_set_watermarklevel_for_sais(struct sdma_channel *sdmac) in sdma_set_watermarklevel_for_sais() argument
1293 if (sdmac->sw_done) in sdma_set_watermarklevel_for_sais()
1294 sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_SW_DONE; in sdma_set_watermarklevel_for_sais()
1296 if (sdmac->direction == DMA_DEV_TO_MEM) { in sdma_set_watermarklevel_for_sais()
1297 n_fifos = sdmac->n_fifos_src; in sdma_set_watermarklevel_for_sais()
1298 stride_fifos = sdmac->stride_fifos_src; in sdma_set_watermarklevel_for_sais()
1300 n_fifos = sdmac->n_fifos_dst; in sdma_set_watermarklevel_for_sais()
1301 stride_fifos = sdmac->stride_fifos_dst; in sdma_set_watermarklevel_for_sais()
1304 words_per_fifo = sdmac->words_per_fifo; in sdma_set_watermarklevel_for_sais()
1306 sdmac->watermark_level |= in sdma_set_watermarklevel_for_sais()
1308 sdmac->watermark_level |= in sdma_set_watermarklevel_for_sais()
1311 sdmac->watermark_level |= in sdma_set_watermarklevel_for_sais()
1317 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_config_channel() local
1322 sdmac->event_mask[0] = 0; in sdma_config_channel()
1323 sdmac->event_mask[1] = 0; in sdma_config_channel()
1324 sdmac->shp_addr = 0; in sdma_config_channel()
1325 sdmac->per_addr = 0; in sdma_config_channel()
1327 switch (sdmac->peripheral_type) { in sdma_config_channel()
1329 sdma_config_ownership(sdmac, false, true, true); in sdma_config_channel()
1332 sdma_config_ownership(sdmac, false, true, false); in sdma_config_channel()
1335 sdma_config_ownership(sdmac, true, true, false); in sdma_config_channel()
1339 ret = sdma_get_pc(sdmac, sdmac->peripheral_type); in sdma_config_channel()
1343 if ((sdmac->peripheral_type != IMX_DMATYPE_MEMORY) && in sdma_config_channel()
1344 (sdmac->peripheral_type != IMX_DMATYPE_DSP)) { in sdma_config_channel()
1346 if (sdmac->event_id1) { in sdma_config_channel()
1347 if (sdmac->peripheral_type == IMX_DMATYPE_ASRC_SP || in sdma_config_channel()
1348 sdmac->peripheral_type == IMX_DMATYPE_ASRC) in sdma_config_channel()
1349 sdma_set_watermarklevel_for_p2p(sdmac); in sdma_config_channel()
1351 if (sdmac->peripheral_type == in sdma_config_channel()
1353 sdma_set_watermarklevel_for_sais(sdmac); in sdma_config_channel()
1355 __set_bit(sdmac->event_id0, sdmac->event_mask); in sdma_config_channel()
1359 sdmac->shp_addr = sdmac->per_address; in sdma_config_channel()
1360 sdmac->per_addr = sdmac->per_address2; in sdma_config_channel()
1362 sdmac->watermark_level = 0; /* FIXME: M3_BASE_ADDRESS */ in sdma_config_channel()
1368 static int sdma_set_channel_priority(struct sdma_channel *sdmac, in sdma_set_channel_priority() argument
1371 struct sdma_engine *sdma = sdmac->sdma; in sdma_set_channel_priority()
1372 int channel = sdmac->channel; in sdma_set_channel_priority()
1415 struct sdma_engine *sdma = desc->sdmac->sdma; in sdma_alloc_bd()
1434 struct sdma_engine *sdma = desc->sdmac->sdma; in sdma_free_bd()
1439 dma_free_coherent(desc->sdmac->sdma->dev, bd_size, desc->bd, desc->bd_phys); in sdma_free_bd()
1452 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_alloc_chan_resources() local
1466 dev_dbg(sdmac->sdma->dev, "MEMCPY in case?\n"); in sdma_alloc_chan_resources()
1473 ret = sdma_get_pc(sdmac, IMX_DMATYPE_MEMORY); in sdma_alloc_chan_resources()
1491 sdmac->peripheral_type = data->peripheral_type; in sdma_alloc_chan_resources()
1492 sdmac->event_id0 = data->dma_request; in sdma_alloc_chan_resources()
1493 sdmac->event_id1 = data->dma_request2; in sdma_alloc_chan_resources()
1495 ret = clk_enable(sdmac->sdma->clk_ipg); in sdma_alloc_chan_resources()
1498 ret = clk_enable(sdmac->sdma->clk_ahb); in sdma_alloc_chan_resources()
1502 ret = sdma_set_channel_priority(sdmac, prio); in sdma_alloc_chan_resources()
1509 clk_disable(sdmac->sdma->clk_ahb); in sdma_alloc_chan_resources()
1511 clk_disable(sdmac->sdma->clk_ipg); in sdma_alloc_chan_resources()
1517 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_free_chan_resources() local
1518 struct sdma_engine *sdma = sdmac->sdma; in sdma_free_chan_resources()
1524 sdma_event_disable(sdmac, sdmac->event_id0); in sdma_free_chan_resources()
1525 if (sdmac->event_id1) in sdma_free_chan_resources()
1526 sdma_event_disable(sdmac, sdmac->event_id1); in sdma_free_chan_resources()
1528 sdmac->event_id0 = 0; in sdma_free_chan_resources()
1529 sdmac->event_id1 = 0; in sdma_free_chan_resources()
1531 sdma_set_channel_priority(sdmac, 0); in sdma_free_chan_resources()
1537 static struct sdma_desc *sdma_transfer_init(struct sdma_channel *sdmac, in sdma_transfer_init() argument
1542 if (!sdmac->sdma->fw_loaded && sdmac->is_ram_script) { in sdma_transfer_init()
1543 dev_warn_once(sdmac->sdma->dev, "sdma firmware not ready!\n"); in sdma_transfer_init()
1551 sdmac->status = DMA_IN_PROGRESS; in sdma_transfer_init()
1552 sdmac->direction = direction; in sdma_transfer_init()
1553 sdmac->flags = 0; in sdma_transfer_init()
1559 desc->sdmac = sdmac; in sdma_transfer_init()
1567 sdma_config_ownership(sdmac, false, true, false); in sdma_transfer_init()
1569 if (sdma_load_context(sdmac)) in sdma_transfer_init()
1586 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_prep_memcpy() local
1587 struct sdma_engine *sdma = sdmac->sdma; in sdma_prep_memcpy()
1588 int channel = sdmac->channel; in sdma_prep_memcpy()
1600 desc = sdma_transfer_init(sdmac, DMA_MEM_TO_MEM, in sdma_prep_memcpy()
1635 return vchan_tx_prep(&sdmac->vc, &desc->vd, flags); in sdma_prep_memcpy()
1643 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_prep_slave_sg() local
1644 struct sdma_engine *sdma = sdmac->sdma; in sdma_prep_slave_sg()
1646 int channel = sdmac->channel; in sdma_prep_slave_sg()
1650 sdma_config_write(chan, &sdmac->slave_config, direction); in sdma_prep_slave_sg()
1652 desc = sdma_transfer_init(sdmac, direction, sg_len); in sdma_prep_slave_sg()
1676 if (sdmac->word_size > DMA_SLAVE_BUSWIDTH_4_BYTES) in sdma_prep_slave_sg()
1679 switch (sdmac->word_size) { in sdma_prep_slave_sg()
1716 return vchan_tx_prep(&sdmac->vc, &desc->vd, flags); in sdma_prep_slave_sg()
1721 sdmac->status = DMA_ERROR; in sdma_prep_slave_sg()
1730 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_prep_dma_cyclic() local
1731 struct sdma_engine *sdma = sdmac->sdma; in sdma_prep_dma_cyclic()
1733 int channel = sdmac->channel; in sdma_prep_dma_cyclic()
1739 if (sdmac->peripheral_type != IMX_DMATYPE_HDMI) in sdma_prep_dma_cyclic()
1742 sdma_config_write(chan, &sdmac->slave_config, direction); in sdma_prep_dma_cyclic()
1744 desc = sdma_transfer_init(sdmac, direction, num_periods); in sdma_prep_dma_cyclic()
1750 sdmac->flags |= IMX_DMA_SG_LOOP; in sdma_prep_dma_cyclic()
1758 if (sdmac->peripheral_type == IMX_DMATYPE_HDMI) in sdma_prep_dma_cyclic()
1759 return vchan_tx_prep(&sdmac->vc, &desc->vd, flags); in sdma_prep_dma_cyclic()
1769 if (sdmac->word_size > DMA_SLAVE_BUSWIDTH_4_BYTES) in sdma_prep_dma_cyclic()
1771 if (sdmac->word_size == DMA_SLAVE_BUSWIDTH_4_BYTES) in sdma_prep_dma_cyclic()
1774 bd->mode.command = sdmac->word_size; in sdma_prep_dma_cyclic()
1793 return vchan_tx_prep(&sdmac->vc, &desc->vd, flags); in sdma_prep_dma_cyclic()
1798 sdmac->status = DMA_ERROR; in sdma_prep_dma_cyclic()
1806 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_config_write() local
1809 sdmac->per_address = dmaengine_cfg->src_addr; in sdma_config_write()
1810 sdmac->watermark_level = dmaengine_cfg->src_maxburst * in sdma_config_write()
1812 sdmac->word_size = dmaengine_cfg->src_addr_width; in sdma_config_write()
1814 sdmac->per_address2 = dmaengine_cfg->src_addr; in sdma_config_write()
1815 sdmac->per_address = dmaengine_cfg->dst_addr; in sdma_config_write()
1816 sdmac->watermark_level = dmaengine_cfg->src_maxburst & in sdma_config_write()
1818 sdmac->watermark_level |= (dmaengine_cfg->dst_maxburst << 16) & in sdma_config_write()
1820 sdmac->word_size = dmaengine_cfg->dst_addr_width; in sdma_config_write()
1821 } else if (sdmac->peripheral_type == IMX_DMATYPE_HDMI) { in sdma_config_write()
1822 sdmac->per_address = dmaengine_cfg->dst_addr; in sdma_config_write()
1823 sdmac->per_address2 = dmaengine_cfg->src_addr; in sdma_config_write()
1824 sdmac->watermark_level = 0; in sdma_config_write()
1826 sdmac->per_address = dmaengine_cfg->dst_addr; in sdma_config_write()
1827 sdmac->watermark_level = dmaengine_cfg->dst_maxburst * in sdma_config_write()
1829 sdmac->word_size = dmaengine_cfg->dst_addr_width; in sdma_config_write()
1831 sdmac->direction = direction; in sdma_config_write()
1838 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_config() local
1839 struct sdma_engine *sdma = sdmac->sdma; in sdma_config()
1841 memcpy(&sdmac->slave_config, dmaengine_cfg, sizeof(*dmaengine_cfg)); in sdma_config()
1851 sdmac->n_fifos_src = sdmacfg->n_fifos_src; in sdma_config()
1852 sdmac->n_fifos_dst = sdmacfg->n_fifos_dst; in sdma_config()
1853 sdmac->stride_fifos_src = sdmacfg->stride_fifos_src; in sdma_config()
1854 sdmac->stride_fifos_dst = sdmacfg->stride_fifos_dst; in sdma_config()
1855 sdmac->words_per_fifo = sdmacfg->words_per_fifo; in sdma_config()
1856 sdmac->sw_done = sdmacfg->sw_done; in sdma_config()
1860 if (sdmac->event_id0 >= sdmac->sdma->drvdata->num_events) in sdma_config()
1862 sdma_event_enable(sdmac, sdmac->event_id0); in sdma_config()
1864 if (sdmac->event_id1) { in sdma_config()
1865 if (sdmac->event_id1 >= sdmac->sdma->drvdata->num_events) in sdma_config()
1867 sdma_event_enable(sdmac, sdmac->event_id1); in sdma_config()
1877 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_tx_status() local
1888 spin_lock_irqsave(&sdmac->vc.lock, flags); in sdma_tx_status()
1890 vd = vchan_find_desc(&sdmac->vc, cookie); in sdma_tx_status()
1893 else if (sdmac->desc && sdmac->desc->vd.tx.cookie == cookie) in sdma_tx_status()
1894 desc = sdmac->desc; in sdma_tx_status()
1897 if (sdmac->flags & IMX_DMA_SG_LOOP) in sdma_tx_status()
1906 spin_unlock_irqrestore(&sdmac->vc.lock, flags); in sdma_tx_status()
1911 return sdmac->status; in sdma_tx_status()
1916 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_issue_pending() local
1919 spin_lock_irqsave(&sdmac->vc.lock, flags); in sdma_issue_pending()
1920 if (vchan_issue_pending(&sdmac->vc) && !sdmac->desc) in sdma_issue_pending()
1921 sdma_start_desc(sdmac); in sdma_issue_pending()
1922 spin_unlock_irqrestore(&sdmac->vc.lock, flags); in sdma_issue_pending()
2197 struct sdma_channel *sdmac = to_sdma_chan(chan); in sdma_filter_fn() local
2203 sdmac->data = *data; in sdma_filter_fn()
2204 chan->private = &sdmac->data; in sdma_filter_fn()
2310 struct sdma_channel *sdmac = &sdma->channel[i]; in sdma_probe() local
2312 sdmac->sdma = sdma; in sdma_probe()
2314 sdmac->channel = i; in sdma_probe()
2315 sdmac->vc.desc_free = sdma_desc_free; in sdma_probe()
2316 INIT_LIST_HEAD(&sdmac->terminated); in sdma_probe()
2317 INIT_WORK(&sdmac->terminate_worker, in sdma_probe()
2325 vchan_init(&sdmac->vc, &sdma->dma_device); in sdma_probe()
2428 struct sdma_channel *sdmac = &sdma->channel[i]; in sdma_remove() local
2430 tasklet_kill(&sdmac->vc.task); in sdma_remove()
2431 sdma_free_chan_resources(&sdmac->vc.chan); in sdma_remove()