1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/dma-mapping.h>
19 	return param == chan->device->dev;  in catpt_dma_filter()
39 	chan = dma_request_channel(mask, catpt_dma_filter, cdev->dev);  in catpt_dma_request_config_chan()
41 		dev_err(cdev->dev, "request channel failed\n");  in catpt_dma_request_config_chan()
42 		return ERR_PTR(-ENODEV);  in catpt_dma_request_config_chan()
54 		dev_err(cdev->dev, "slave config failed: %d\n", ret);  in catpt_dma_request_config_chan()
73 		dev_err(cdev->dev, "prep dma memcpy failed\n");  in catpt_dma_memcpy()
74 		return -EIO;  in catpt_dma_memcpy()
79 			   CATPT_HMDC_HDDA(CATPT_DMA_DEVID, chan->chan_id),  in catpt_dma_memcpy()
80 			   CATPT_HMDC_HDDA(CATPT_DMA_DEVID, chan->chan_id));  in catpt_dma_memcpy()
84 		dev_err(cdev->dev, "submit tx failed: %d\n", ret);  in catpt_dma_memcpy()
89 	ret = (status == DMA_COMPLETE) ? 0 : -EPROTO;  in catpt_dma_memcpy()
94 			   CATPT_HMDC_HDDA(CATPT_DMA_DEVID, chan->chan_id), 0);  in catpt_dma_memcpy()
120 	dmac = devm_kzalloc(cdev->dev, sizeof(*dmac), GFP_KERNEL);  in catpt_dmac_probe()
122 		return -ENOMEM;  in catpt_dmac_probe()
124 	dmac->regs = cdev->lpe_ba + cdev->spec->host_dma_offset[CATPT_DMA_DEVID];  in catpt_dmac_probe()
125 	dmac->dev = cdev->dev;  in catpt_dmac_probe()
126 	dmac->irq = cdev->irq;  in catpt_dmac_probe()
128 	ret = dma_coerce_mask_and_coherent(cdev->dev, DMA_BIT_MASK(31));  in catpt_dmac_probe()
139 	cdev->dmac = dmac;  in catpt_dmac_probe()
151 	dw_dma_remove(cdev->dmac);  in catpt_dmac_remove()
154 static void catpt_dsp_set_srampge(struct catpt_dev *cdev, struct resource *sram,  in catpt_dsp_set_srampge()  argument
158 	u32 off = sram->start;  in catpt_dsp_set_srampge()
162 	dev_dbg(cdev->dev, "SRAMPGE [0x%08lx] 0x%08lx -> 0x%08lx",  in catpt_dsp_set_srampge()
169 	/* wait for SRAM power gating to propagate */  in catpt_dsp_set_srampge()
181 			dev_dbg(cdev->dev, "sanitize block %ld: off 0x%08x\n",  in catpt_dsp_set_srampge()
182 				b - __ffs(mask), off);  in catpt_dsp_set_srampge()
183 			memcpy_fromio(buf, cdev->lpe_ba + off, sizeof(buf));  in catpt_dsp_set_srampge()
189 void catpt_dsp_update_srampge(struct catpt_dev *cdev, struct resource *sram,  in catpt_dsp_update_srampge()  argument
196 	for (res = sram->child; res; res = res->sibling) {  in catpt_dsp_update_srampge()
199 		h = (res->end - sram->start) / CATPT_MEMBLOCK_SIZE;  in catpt_dsp_update_srampge()
200 		l = (res->start - sram->start) / CATPT_MEMBLOCK_SIZE;  in catpt_dsp_update_srampge()
210 	catpt_dsp_set_srampge(cdev, sram, mask, new);  in catpt_dsp_update_srampge()
262 	mutex_lock(&cdev->clk_mutex);  in catpt_dsp_select_lpclock()
266 	dev_dbg(cdev->dev, "LPCS [0x%08lx] 0x%08x -> 0x%08x",  in catpt_dsp_select_lpclock()
270 		mutex_unlock(&cdev->clk_mutex);  in catpt_dsp_select_lpclock()
280 			dev_warn(cdev->dev, "await WAITI timeout\n");  in catpt_dsp_select_lpclock()
281 			/* no signal - only high clock selection allowed */  in catpt_dsp_select_lpclock()
283 				mutex_unlock(&cdev->clk_mutex);  in catpt_dsp_select_lpclock()
293 		dev_warn(cdev->dev, "clock change still in progress\n");  in catpt_dsp_select_lpclock()
304 		dev_warn(cdev->dev, "clock change still in progress\n");  in catpt_dsp_select_lpclock()
307 	cdev->spec->pll_shutdown(cdev, lp);  in catpt_dsp_select_lpclock()
309 	mutex_unlock(&cdev->clk_mutex);  in catpt_dsp_select_lpclock()
317 	list_for_each_entry(stream, &cdev->stream_list, node)  in catpt_dsp_update_lpclock()
318 		if (stream->prepared)  in catpt_dsp_update_lpclock()
382 	/* SRAM power gating all */  in catpt_dsp_power_down()
383 	catpt_dsp_set_srampge(cdev, &cdev->dram, cdev->spec->dram_mask,  in catpt_dsp_power_down()
384 			      cdev->spec->dram_mask);  in catpt_dsp_power_down()
385 	catpt_dsp_set_srampge(cdev, &cdev->iram, cdev->spec->iram_mask,  in catpt_dsp_power_down()
386 			      cdev->spec->iram_mask);  in catpt_dsp_power_down()
387 	mask = cdev->spec->d3srampgd_bit | cdev->spec->d3pgd_bit;  in catpt_dsp_power_down()
388 	catpt_updatel_pci(cdev, VDRTCTL0, mask, cdev->spec->d3pgd_bit);  in catpt_dsp_power_down()
416 	/* SRAM power gating none */  in catpt_dsp_power_up()
417 	mask = cdev->spec->d3srampgd_bit | cdev->spec->d3pgd_bit;  in catpt_dsp_power_up()
419 	catpt_dsp_set_srampge(cdev, &cdev->dram, cdev->spec->dram_mask, 0);  in catpt_dsp_power_up()
420 	catpt_dsp_set_srampge(cdev, &cdev->iram, cdev->spec->iram_mask, 0);  in catpt_dsp_power_up()
468 	dump_size = resource_size(&cdev->dram);  in catpt_coredump()
469 	dump_size += resource_size(&cdev->iram);  in catpt_coredump()
471 	/* account for header of each section and hash chunk */  in catpt_coredump()
476 		return -ENOMEM;  in catpt_coredump()
481 	hdr->magic = CATPT_DUMP_MAGIC;  in catpt_coredump()
482 	hdr->core_id = cdev->spec->core_id;  in catpt_coredump()
483 	hdr->section_id = CATPT_DUMP_SECTION_ID_FILE;  in catpt_coredump()
484 	hdr->size = dump_size - sizeof(*hdr);  in catpt_coredump()
487 	info = cdev->ipc.config.fw_info;  in catpt_coredump()
492 		info = strnchr(info, eof - info, ' ');  in catpt_coredump()
498 		memcpy(pos, info, min_t(u32, eof - info, CATPT_DUMP_HASH_SIZE));  in catpt_coredump()
502 	hdr->magic = CATPT_DUMP_MAGIC;  in catpt_coredump()
503 	hdr->core_id = cdev->spec->core_id;  in catpt_coredump()
504 	hdr->section_id = CATPT_DUMP_SECTION_ID_IRAM;  in catpt_coredump()
505 	hdr->size = resource_size(&cdev->iram);  in catpt_coredump()
508 	memcpy_fromio(pos, cdev->lpe_ba + cdev->iram.start, hdr->size);  in catpt_coredump()
509 	pos += hdr->size;  in catpt_coredump()
512 	hdr->magic = CATPT_DUMP_MAGIC;  in catpt_coredump()
513 	hdr->core_id = cdev->spec->core_id;  in catpt_coredump()
514 	hdr->section_id = CATPT_DUMP_SECTION_ID_DRAM;  in catpt_coredump()
515 	hdr->size = resource_size(&cdev->dram);  in catpt_coredump()
518 	memcpy_fromio(pos, cdev->lpe_ba + cdev->dram.start, hdr->size);  in catpt_coredump()
519 	pos += hdr->size;  in catpt_coredump()
522 	hdr->magic = CATPT_DUMP_MAGIC;  in catpt_coredump()
523 	hdr->core_id = cdev->spec->core_id;  in catpt_coredump()
524 	hdr->section_id = CATPT_DUMP_SECTION_ID_REGS;  in catpt_coredump()
525 	hdr->size = regs_size;  in catpt_coredump()
542 	dev_coredumpv(cdev->dev, dump, dump_size, GFP_KERNEL);  in catpt_coredump()