19 	struct fsl_edma_engine *mcf_edma = dev_id;  in mcf_edma_tx_handler()  local
20 	struct edma_regs *regs = &mcf_edma->regs;  in mcf_edma_tx_handler()
31 	for (ch = 0; ch < mcf_edma->n_chans; ch++) {  in mcf_edma_tx_handler()
35 			mcf_chan = &mcf_edma->chans[ch];  in mcf_edma_tx_handler()
60 	struct fsl_edma_engine *mcf_edma = dev_id;  in mcf_edma_err_handler()  local
61 	struct edma_regs *regs = &mcf_edma->regs;  in mcf_edma_err_handler()
70 			fsl_edma_disable_request(&mcf_edma->chans[ch]);  in mcf_edma_err_handler()
72 			mcf_edma->chans[ch].status = DMA_ERROR;  in mcf_edma_err_handler()
73 			mcf_edma->chans[ch].idle = true;  in mcf_edma_err_handler()
83 			fsl_edma_disable_request(&mcf_edma->chans[ch]);  in mcf_edma_err_handler()
85 			mcf_edma->chans[ch].status = DMA_ERROR;  in mcf_edma_err_handler()
86 			mcf_edma->chans[ch].idle = true;  in mcf_edma_err_handler()
94 				struct fsl_edma_engine *mcf_edma)  in mcf_edma_irq_init()  argument
105 		ret |= request_irq(i, mcf_edma_tx_handler, 0, "eDMA", mcf_edma);  in mcf_edma_irq_init()
115 		ret |= request_irq(i, mcf_edma_tx_handler, 0, "eDMA", mcf_edma);  in mcf_edma_irq_init()
122 				  0, "eDMA", mcf_edma);  in mcf_edma_irq_init()
130 				  0, "eDMA", mcf_edma);  in mcf_edma_irq_init()
139 				struct fsl_edma_engine *mcf_edma)  in mcf_edma_irq_free()  argument
148 			free_irq(irq, mcf_edma);  in mcf_edma_irq_free()
155 			free_irq(irq, mcf_edma);  in mcf_edma_irq_free()
160 		free_irq(irq, mcf_edma);  in mcf_edma_irq_free()
164 		free_irq(irq, mcf_edma);  in mcf_edma_irq_free()
175 	struct fsl_edma_engine *mcf_edma;  in mcf_edma_probe()  local
188 	len = sizeof(*mcf_edma) + sizeof(*mcf_chan) * chans;  in mcf_edma_probe()
189 	mcf_edma = devm_kzalloc(&pdev->dev, len, GFP_KERNEL);  in mcf_edma_probe()
190 	if (!mcf_edma)  in mcf_edma_probe()
193 	mcf_edma->n_chans = chans;  in mcf_edma_probe()
196 	mcf_edma->drvdata = &mcf_data;  in mcf_edma_probe()
197 	mcf_edma->big_endian = 1;  in mcf_edma_probe()
199 	if (!mcf_edma->n_chans) {  in mcf_edma_probe()
201 		mcf_edma->n_chans = 64;  in mcf_edma_probe()
204 	mutex_init(&mcf_edma->fsl_edma_mutex);  in mcf_edma_probe()
208 	mcf_edma->membase = devm_ioremap_resource(&pdev->dev, res);  in mcf_edma_probe()
209 	if (IS_ERR(mcf_edma->membase))  in mcf_edma_probe()
210 		return PTR_ERR(mcf_edma->membase);  in mcf_edma_probe()
212 	fsl_edma_setup_regs(mcf_edma);  in mcf_edma_probe()
213 	regs = &mcf_edma->regs;  in mcf_edma_probe()
215 	INIT_LIST_HEAD(&mcf_edma->dma_dev.channels);  in mcf_edma_probe()
216 	for (i = 0; i < mcf_edma->n_chans; i++) {  in mcf_edma_probe()
217 		struct fsl_edma_chan *mcf_chan = &mcf_edma->chans[i];  in mcf_edma_probe()
219 		mcf_chan->edma = mcf_edma;  in mcf_edma_probe()
224 		vchan_init(&mcf_chan->vchan, &mcf_edma->dma_dev);  in mcf_edma_probe()
231 	ret = mcf_edma->drvdata->setup_irq(pdev, mcf_edma);  in mcf_edma_probe()
235 	dma_cap_set(DMA_PRIVATE, mcf_edma->dma_dev.cap_mask);  in mcf_edma_probe()
236 	dma_cap_set(DMA_SLAVE, mcf_edma->dma_dev.cap_mask);  in mcf_edma_probe()
237 	dma_cap_set(DMA_CYCLIC, mcf_edma->dma_dev.cap_mask);  in mcf_edma_probe()
239 	mcf_edma->dma_dev.dev = &pdev->dev;  in mcf_edma_probe()
240 	mcf_edma->dma_dev.device_alloc_chan_resources =  in mcf_edma_probe()
242 	mcf_edma->dma_dev.device_free_chan_resources =  in mcf_edma_probe()
244 	mcf_edma->dma_dev.device_config = fsl_edma_slave_config;  in mcf_edma_probe()
245 	mcf_edma->dma_dev.device_prep_dma_cyclic =  in mcf_edma_probe()
247 	mcf_edma->dma_dev.device_prep_slave_sg = fsl_edma_prep_slave_sg;  in mcf_edma_probe()
248 	mcf_edma->dma_dev.device_tx_status = fsl_edma_tx_status;  in mcf_edma_probe()
249 	mcf_edma->dma_dev.device_pause = fsl_edma_pause;  in mcf_edma_probe()
250 	mcf_edma->dma_dev.device_resume = fsl_edma_resume;  in mcf_edma_probe()
251 	mcf_edma->dma_dev.device_terminate_all = fsl_edma_terminate_all;  in mcf_edma_probe()
252 	mcf_edma->dma_dev.device_issue_pending = fsl_edma_issue_pending;  in mcf_edma_probe()
254 	mcf_edma->dma_dev.src_addr_widths = FSL_EDMA_BUSWIDTHS;  in mcf_edma_probe()
255 	mcf_edma->dma_dev.dst_addr_widths = FSL_EDMA_BUSWIDTHS;  in mcf_edma_probe()
256 	mcf_edma->dma_dev.directions =  in mcf_edma_probe()
259 	mcf_edma->dma_dev.filter.fn = mcf_edma_filter_fn;  in mcf_edma_probe()
260 	mcf_edma->dma_dev.filter.map = pdata->slave_map;  in mcf_edma_probe()
261 	mcf_edma->dma_dev.filter.mapcnt = pdata->slavecnt;  in mcf_edma_probe()
263 	platform_set_drvdata(pdev, mcf_edma);  in mcf_edma_probe()
265 	ret = dma_async_device_register(&mcf_edma->dma_dev);  in mcf_edma_probe()
280 	struct fsl_edma_engine *mcf_edma = platform_get_drvdata(pdev);  in mcf_edma_remove()  local
282 	mcf_edma_irq_free(pdev, mcf_edma);  in mcf_edma_remove()
283 	fsl_edma_cleanup_vchan(&mcf_edma->dma_dev);  in mcf_edma_remove()
284 	dma_async_device_unregister(&mcf_edma->dma_dev);  in mcf_edma_remove()