Lines Matching refs:fdev
34 struct st_fdma_dev *fdev = fchan->fdev;
45 if (fdev->dreq_mask == ~0L) {
46 dev_err(fdev->dev, "No req lines available\n");
51 dev_err(fdev->dev, "Invalid or used req line\n");
58 } while (test_and_set_bit(dreq_line, &fdev->dreq_mask));
60 dev_dbg(fdev->dev, "get dreq_line:%d mask:%#lx\n",
61 dreq_line, fdev->dreq_mask);
68 struct st_fdma_dev *fdev = fchan->fdev;
70 dev_dbg(fdev->dev, "put dreq_line:%#x\n", fchan->dreq_line);
71 clear_bit(fchan->dreq_line, &fdev->dreq_mask);
92 fchan->fdev->slim_rproc->peri + FDMA_CMD_SET_OFST);
94 dev_dbg(fchan->fdev->dev, "start chan:%d\n", fchan->vchan.chan.chan_id);
102 struct st_fdma_dev *fdev = fchan->fdev;
109 dev_warn(fdev->dev, "chan:%d, error:%ld\n", ch_id, ch_err);
127 struct st_fdma_dev *fdev = dev_id;
129 struct st_fdma_chan *fchan = &fdev->chans[0];
132 int_sta = fdma_read(fdev, FDMA_INT_STA_OFST);
161 fdma_write(fdev, clr, FDMA_INT_CLR_OFST);
169 struct st_fdma_dev *fdev = ofdma->of_dma_data;
177 if (fdev->dma_device.dev->of_node != dma_spec->np)
180 ret = rproc_boot(fdev->slim_rproc->rproc);
186 chan = dma_get_any_slave_channel(&fdev->dma_device);
214 dev_dbg(fdev->dev, "xlate req_line:%d type:%d req_ctrl:%#lx\n",
220 rproc_shutdown(fdev->slim_rproc->rproc);
271 fchan->fdev->dev,
277 dev_err(fchan->fdev->dev, "unable to allocate desc pool\n");
281 dev_dbg(fchan->fdev->dev, "alloc ch_id:%d type:%d\n",
290 struct rproc *rproc = fchan->fdev->slim_rproc->rproc;
293 dev_dbg(fchan->fdev->dev, "%s: freeing chan:%d\n",
326 dev_err(fchan->fdev->dev, "no memory for desc\n");
352 struct st_fdma_dev *fdev = fchan->fdev;
405 dev_dbg(fdev->dev, "chan:%d config_reqctrl:%#x req_ctrl:%#lx\n",
440 dev_err(fchan->fdev->dev, "bad direction?\n");
464 dev_err(fchan->fdev->dev, "bad width or direction\n");
470 dev_err(fchan->fdev->dev, "len is not multiple of period\n");
477 dev_err(fchan->fdev->dev, "no memory for desc\n");
526 dev_err(fchan->fdev->dev, "no memory for desc\n");
627 dev_dbg(fchan->fdev->dev, "pause chan:%d\n", ch_id);
631 fdma_write(fchan->fdev, cmd, FDMA_CMD_SET_OFST);
644 dev_dbg(fchan->fdev->dev, "resume chan:%d\n", ch_id);
665 dev_dbg(fchan->fdev->dev, "terminate chan:%d\n", ch_id);
668 fdma_write(fchan->fdev, cmd, FDMA_CMD_SET_OFST);
714 struct st_fdma_dev *fdev)
716 snprintf(fdev->fw_name, FW_NAME_SIZE, "fdma_%s_%d.elf",
720 &fdev->nr_channels);
727 static void st_fdma_free(struct st_fdma_dev *fdev)
732 for (i = 0; i < fdev->nr_channels; i++) {
733 fchan = &fdev->chans[i];
741 struct st_fdma_dev *fdev;
755 fdev = devm_kzalloc(&pdev->dev, sizeof(*fdev), GFP_KERNEL);
756 if (!fdev)
759 ret = st_fdma_parse_dt(pdev, drvdata, fdev);
765 fdev->chans = devm_kcalloc(&pdev->dev, fdev->nr_channels,
767 if (!fdev->chans)
770 fdev->dev = &pdev->dev;
771 fdev->drvdata = drvdata;
772 platform_set_drvdata(pdev, fdev);
774 fdev->irq = platform_get_irq(pdev, 0);
775 if (fdev->irq < 0)
778 ret = devm_request_irq(&pdev->dev, fdev->irq, st_fdma_irq_handler, 0,
779 dev_name(&pdev->dev), fdev);
785 fdev->slim_rproc = st_slim_rproc_alloc(pdev, fdev->fw_name);
786 if (IS_ERR(fdev->slim_rproc)) {
787 ret = PTR_ERR(fdev->slim_rproc);
793 INIT_LIST_HEAD(&fdev->dma_device.channels);
794 for (i = 0; i < fdev->nr_channels; i++) {
795 struct st_fdma_chan *fchan = &fdev->chans[i];
797 fchan->fdev = fdev;
799 vchan_init(&fchan->vchan, &fdev->dma_device);
803 fdev->dreq_mask = BIT(0) | BIT(31);
805 dma_cap_set(DMA_SLAVE, fdev->dma_device.cap_mask);
806 dma_cap_set(DMA_CYCLIC, fdev->dma_device.cap_mask);
807 dma_cap_set(DMA_MEMCPY, fdev->dma_device.cap_mask);
809 fdev->dma_device.dev = &pdev->dev;
810 fdev->dma_device.device_alloc_chan_resources = st_fdma_alloc_chan_res;
811 fdev->dma_device.device_free_chan_resources = st_fdma_free_chan_res;
812 fdev->dma_device.device_prep_dma_cyclic = st_fdma_prep_dma_cyclic;
813 fdev->dma_device.device_prep_slave_sg = st_fdma_prep_slave_sg;
814 fdev->dma_device.device_prep_dma_memcpy = st_fdma_prep_dma_memcpy;
815 fdev->dma_device.device_tx_status = st_fdma_tx_status;
816 fdev->dma_device.device_issue_pending = st_fdma_issue_pending;
817 fdev->dma_device.device_terminate_all = st_fdma_terminate_all;
818 fdev->dma_device.device_config = st_fdma_slave_config;
819 fdev->dma_device.device_pause = st_fdma_pause;
820 fdev->dma_device.device_resume = st_fdma_resume;
822 fdev->dma_device.src_addr_widths = FDMA_DMA_BUSWIDTHS;
823 fdev->dma_device.dst_addr_widths = FDMA_DMA_BUSWIDTHS;
824 fdev->dma_device.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
825 fdev->dma_device.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
827 ret = dmaenginem_async_device_register(&fdev->dma_device);
834 ret = of_dma_controller_register(np, st_fdma_of_xlate, fdev);
841 dev_info(&pdev->dev, "ST FDMA engine driver, irq:%d\n", fdev->irq);
846 st_fdma_free(fdev);
847 st_slim_rproc_put(fdev->slim_rproc);
854 struct st_fdma_dev *fdev = platform_get_drvdata(pdev);
856 devm_free_irq(&pdev->dev, fdev->irq, fdev);
857 st_slim_rproc_put(fdev->slim_rproc);