50 	struct fsl_asrc *easrc = snd_soc_component_get_drvdata(comp);  in fsl_easrc_iec958_put_bits()  local
51 	struct fsl_easrc_priv *easrc_priv = easrc->private;  in fsl_easrc_iec958_put_bits()
65 	struct fsl_asrc *easrc = snd_soc_component_get_drvdata(comp);  in fsl_easrc_iec958_get_bits()  local
66 	struct fsl_easrc_priv *easrc_priv = easrc->private;  in fsl_easrc_iec958_get_bits()
174 	struct fsl_asrc *easrc = ctx->asrc;  in fsl_easrc_set_rs_ratio()  local
175 	struct fsl_easrc_priv *easrc_priv = easrc->private;  in fsl_easrc_set_rs_ratio()
205 		dev_err(&easrc->pdev->dev, "ratio exceed range\n");  in fsl_easrc_set_rs_ratio()
209 	regmap_write(easrc->regmap, REG_EASRC_RRL(ctx->index),  in fsl_easrc_set_rs_ratio()
211 	regmap_write(easrc->regmap, REG_EASRC_RRH(ctx->index),  in fsl_easrc_set_rs_ratio()
239 static int fsl_easrc_coeff_mem_ptr_reset(struct fsl_asrc *easrc,  in fsl_easrc_coeff_mem_ptr_reset()  argument
245 	if (!easrc)  in fsl_easrc_coeff_mem_ptr_reset()
248 	dev = &easrc->pdev->dev;  in fsl_easrc_coeff_mem_ptr_reset()
278 	regmap_update_bits(easrc->regmap, reg, mask, 0);  in fsl_easrc_coeff_mem_ptr_reset()
279 	regmap_update_bits(easrc->regmap, reg, mask, val);  in fsl_easrc_coeff_mem_ptr_reset()
280 	regmap_update_bits(easrc->regmap, reg, mask, 0);  in fsl_easrc_coeff_mem_ptr_reset()
299 static int fsl_easrc_resampler_config(struct fsl_asrc *easrc)  in fsl_easrc_resampler_config()  argument
301 	struct device *dev = &easrc->pdev->dev;  in fsl_easrc_resampler_config()
302 	struct fsl_easrc_priv *easrc_priv = easrc->private;  in fsl_easrc_resampler_config()
342 	regmap_write(easrc->regmap, REG_EASRC_RCTCL, EASRC_RCTCL_RS_CL(r[0]));  in fsl_easrc_resampler_config()
343 	regmap_write(easrc->regmap, REG_EASRC_RCTCH, EASRC_RCTCH_RS_CH(r[1]));  in fsl_easrc_resampler_config()
352 	regmap_update_bits(easrc->regmap, REG_EASRC_CRCC,  in fsl_easrc_resampler_config()
357 	ret = fsl_easrc_coeff_mem_ptr_reset(easrc, 0, EASRC_RS_COEFF_MEM);  in fsl_easrc_resampler_config()
373 		regmap_write(easrc->regmap, REG_EASRC_CRCM,  in fsl_easrc_resampler_config()
375 		regmap_write(easrc->regmap, REG_EASRC_CRCM,  in fsl_easrc_resampler_config()
389  *      @easrc:  Structure pointer of fsl_asrc
395 static int fsl_easrc_normalize_filter(struct fsl_asrc *easrc,  in fsl_easrc_normalize_filter()  argument
400 	struct device *dev = &easrc->pdev->dev;  in fsl_easrc_normalize_filter()
428 static int fsl_easrc_write_pf_coeff_mem(struct fsl_asrc *easrc, int ctx_id,  in fsl_easrc_write_pf_coeff_mem()  argument
431 	struct device *dev = &easrc->pdev->dev;  in fsl_easrc_write_pf_coeff_mem()
450 	ret = fsl_easrc_coeff_mem_ptr_reset(easrc, ctx_id, EASRC_PF_COEFF_MEM);  in fsl_easrc_write_pf_coeff_mem()
455 		ret = fsl_easrc_normalize_filter(easrc, &coef[i], &tmp, shift);  in fsl_easrc_write_pf_coeff_mem()
460 		regmap_write(easrc->regmap, REG_EASRC_PCF(ctx_id),  in fsl_easrc_write_pf_coeff_mem()
462 		regmap_write(easrc->regmap, REG_EASRC_PCF(ctx_id),  in fsl_easrc_write_pf_coeff_mem()
469 static int fsl_easrc_prefilter_config(struct fsl_asrc *easrc,  in fsl_easrc_prefilter_config()  argument
483 	if (!easrc)  in fsl_easrc_prefilter_config()
486 	dev = &easrc->pdev->dev;  in fsl_easrc_prefilter_config()
493 	easrc_priv = easrc->private;  in fsl_easrc_prefilter_config()
495 	ctx = easrc->pair[ctx_id];  in fsl_easrc_prefilter_config()
509 	regmap_write(easrc->regmap, REG_EASRC_CCE1(ctx_id), 0);  in fsl_easrc_prefilter_config()
510 	regmap_write(easrc->regmap, REG_EASRC_CCE2(ctx_id), 0);  in fsl_easrc_prefilter_config()
553 			regmap_update_bits(easrc->regmap,  in fsl_easrc_prefilter_config()
636 	regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx_id),  in fsl_easrc_prefilter_config()
647 	regmap_update_bits(easrc->regmap, REG_EASRC_CCE2(ctx_id),  in fsl_easrc_prefilter_config()
652 	regmap_update_bits(easrc->regmap, REG_EASRC_CCE1(ctx_id),  in fsl_easrc_prefilter_config()
656 	ret = fsl_easrc_write_pf_coeff_mem(easrc, ctx_id,  in fsl_easrc_prefilter_config()
671 		regmap_update_bits(easrc->regmap, REG_EASRC_CCE1(ctx_id),  in fsl_easrc_prefilter_config()
678 		regmap_update_bits(easrc->regmap, REG_EASRC_CCE1(ctx_id),  in fsl_easrc_prefilter_config()
682 		regmap_update_bits(easrc->regmap, REG_EASRC_CCE1(ctx_id),  in fsl_easrc_prefilter_config()
687 		regmap_update_bits(easrc->regmap, REG_EASRC_CCE2(ctx_id),  in fsl_easrc_prefilter_config()
692 		regmap_update_bits(easrc->regmap, REG_EASRC_CCE1(ctx_id),  in fsl_easrc_prefilter_config()
696 		ret = fsl_easrc_write_pf_coeff_mem(easrc, ctx_id,  in fsl_easrc_prefilter_config()
750 	struct fsl_asrc *easrc = ctx->asrc;  in fsl_easrc_config_one_slot()  local
782 	regmap_update_bits(easrc->regmap, reg0,  in fsl_easrc_config_one_slot()
786 	regmap_update_bits(easrc->regmap, reg0,  in fsl_easrc_config_one_slot()
790 	regmap_update_bits(easrc->regmap, reg0,  in fsl_easrc_config_one_slot()
794 	regmap_update_bits(easrc->regmap, reg0,  in fsl_easrc_config_one_slot()
807 		regmap_update_bits(easrc->regmap, reg2,  in fsl_easrc_config_one_slot()
816 		regmap_update_bits(easrc->regmap, reg2,  in fsl_easrc_config_one_slot()
824 		regmap_update_bits(easrc->regmap, reg1,  in fsl_easrc_config_one_slot()
830 		regmap_update_bits(easrc->regmap, reg3,  in fsl_easrc_config_one_slot()
839 		regmap_update_bits(easrc->regmap, reg3,  in fsl_easrc_config_one_slot()
844 	regmap_update_bits(easrc->regmap, reg0,  in fsl_easrc_config_one_slot()
861 static int fsl_easrc_config_slot(struct fsl_asrc *easrc, unsigned int ctx_id)  in fsl_easrc_config_slot()  argument
863 	struct fsl_easrc_priv *easrc_priv = easrc->private;  in fsl_easrc_config_slot()
864 	struct fsl_asrc_pair *ctx = easrc->pair[ctx_id];  in fsl_easrc_config_slot()
912 		dev_err(&easrc->pdev->dev, "no avail slot.\n");  in fsl_easrc_config_slot()
924 static int fsl_easrc_release_slot(struct fsl_asrc *easrc, unsigned int ctx_id)  in fsl_easrc_release_slot()  argument
926 	struct fsl_easrc_priv *easrc_priv = easrc->private;  in fsl_easrc_release_slot()
927 	struct fsl_asrc_pair *ctx = easrc->pair[ctx_id];  in fsl_easrc_release_slot()
937 			regmap_write(easrc->regmap, REG_EASRC_DPCS0R0(i), 0);  in fsl_easrc_release_slot()
938 			regmap_write(easrc->regmap, REG_EASRC_DPCS0R1(i), 0);  in fsl_easrc_release_slot()
939 			regmap_write(easrc->regmap, REG_EASRC_DPCS0R2(i), 0);  in fsl_easrc_release_slot()
940 			regmap_write(easrc->regmap, REG_EASRC_DPCS0R3(i), 0);  in fsl_easrc_release_slot()
949 			regmap_write(easrc->regmap, REG_EASRC_DPCS1R0(i), 0);  in fsl_easrc_release_slot()
950 			regmap_write(easrc->regmap, REG_EASRC_DPCS1R1(i), 0);  in fsl_easrc_release_slot()
951 			regmap_write(easrc->regmap, REG_EASRC_DPCS1R2(i), 0);  in fsl_easrc_release_slot()
952 			regmap_write(easrc->regmap, REG_EASRC_DPCS1R3(i), 0);  in fsl_easrc_release_slot()
964 static int fsl_easrc_config_context(struct fsl_asrc *easrc, unsigned int ctx_id)  in fsl_easrc_config_context()  argument
972 	if (!easrc)  in fsl_easrc_config_context()
975 	dev = &easrc->pdev->dev;  in fsl_easrc_config_context()
982 	ctx = easrc->pair[ctx_id];  in fsl_easrc_config_context()
993 	ret = fsl_easrc_prefilter_config(easrc, ctx->index);  in fsl_easrc_config_context()
997 	spin_lock_irqsave(&easrc->lock, lock_flags);  in fsl_easrc_config_context()
998 	ret = fsl_easrc_config_slot(easrc, ctx->index);  in fsl_easrc_config_context()
999 	spin_unlock_irqrestore(&easrc->lock, lock_flags);  in fsl_easrc_config_context()
1010 	regmap_update_bits(easrc->regmap, REG_EASRC_CCE1(ctx_id),  in fsl_easrc_config_context()
1014 	regmap_update_bits(easrc->regmap, REG_EASRC_CCE1(ctx_id),  in fsl_easrc_config_context()
1022 	regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx_id),  in fsl_easrc_config_context()
1031 	regmap_update_bits(easrc->regmap, REG_EASRC_COC(ctx_id),  in fsl_easrc_config_context()
1036 	regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx_id),  in fsl_easrc_config_context()
1046 	struct fsl_asrc *easrc = ctx->asrc;  in fsl_easrc_process_format()  local
1047 	struct fsl_easrc_priv *easrc_priv = easrc->private;  in fsl_easrc_process_format()
1129 	struct fsl_asrc *easrc = ctx->asrc;  in fsl_easrc_set_ctx_format()  local
1142 	regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx->index),  in fsl_easrc_set_ctx_format()
1145 	regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx->index),  in fsl_easrc_set_ctx_format()
1148 	regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx->index),  in fsl_easrc_set_ctx_format()
1151 	regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx->index),  in fsl_easrc_set_ctx_format()
1156 	regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx->index),  in fsl_easrc_set_ctx_format()
1167 	regmap_update_bits(easrc->regmap, REG_EASRC_COC(ctx->index),  in fsl_easrc_set_ctx_format()
1170 	regmap_update_bits(easrc->regmap, REG_EASRC_COC(ctx->index),  in fsl_easrc_set_ctx_format()
1173 	regmap_update_bits(easrc->regmap, REG_EASRC_COC(ctx->index),  in fsl_easrc_set_ctx_format()
1176 	regmap_update_bits(easrc->regmap, REG_EASRC_COC(ctx->index),  in fsl_easrc_set_ctx_format()
1181 	regmap_update_bits(easrc->regmap, REG_EASRC_COC(ctx->index),  in fsl_easrc_set_ctx_format()
1185 	regmap_update_bits(easrc->regmap, REG_EASRC_COC(ctx->index),  in fsl_easrc_set_ctx_format()
1201 	struct fsl_asrc *easrc;  in fsl_easrc_set_ctx_organziation()  local
1206 	easrc = ctx->asrc;  in fsl_easrc_set_ctx_organziation()
1210 	regmap_update_bits(easrc->regmap, REG_EASRC_CIA(ctx->index),  in fsl_easrc_set_ctx_organziation()
1213 	regmap_update_bits(easrc->regmap, REG_EASRC_CIA(ctx->index),  in fsl_easrc_set_ctx_organziation()
1216 	regmap_update_bits(easrc->regmap, REG_EASRC_CIA(ctx->index),  in fsl_easrc_set_ctx_organziation()
1221 	regmap_update_bits(easrc->regmap, REG_EASRC_COA(ctx->index),  in fsl_easrc_set_ctx_organziation()
1224 	regmap_update_bits(easrc->regmap, REG_EASRC_COA(ctx->index),  in fsl_easrc_set_ctx_organziation()
1227 	regmap_update_bits(easrc->regmap, REG_EASRC_COA(ctx->index),  in fsl_easrc_set_ctx_organziation()
1243 	struct fsl_asrc *easrc = ctx->asrc;  in fsl_easrc_request_context()  local
1249 	dev = &easrc->pdev->dev;  in fsl_easrc_request_context()
1251 	spin_lock_irqsave(&easrc->lock, lock_flags);  in fsl_easrc_request_context()
1254 		if (easrc->pair[i])  in fsl_easrc_request_context()
1264 	} else if (channels > easrc->channel_avail) {  in fsl_easrc_request_context()
1271 		easrc->pair[index] = ctx;  in fsl_easrc_request_context()
1272 		easrc->channel_avail -= channels;  in fsl_easrc_request_context()
1275 	spin_unlock_irqrestore(&easrc->lock, lock_flags);  in fsl_easrc_request_context()
1288 	struct fsl_asrc *easrc;  in fsl_easrc_release_context()  local
1293 	easrc = ctx->asrc;  in fsl_easrc_release_context()
1295 	spin_lock_irqsave(&easrc->lock, lock_flags);  in fsl_easrc_release_context()
1297 	fsl_easrc_release_slot(easrc, ctx->index);  in fsl_easrc_release_context()
1299 	easrc->channel_avail += ctx->channels;  in fsl_easrc_release_context()
1300 	easrc->pair[ctx->index] = NULL;  in fsl_easrc_release_context()
1302 	spin_unlock_irqrestore(&easrc->lock, lock_flags);  in fsl_easrc_release_context()
1312 	struct fsl_asrc *easrc = ctx->asrc;  in fsl_easrc_start_context()  local
1314 	regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx->index),  in fsl_easrc_start_context()
1316 	regmap_update_bits(easrc->regmap, REG_EASRC_COC(ctx->index),  in fsl_easrc_start_context()
1318 	regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx->index),  in fsl_easrc_start_context()
1330 	struct fsl_asrc *easrc = ctx->asrc;  in fsl_easrc_stop_context()  local
1335 	regmap_read(easrc->regmap, REG_EASRC_CC(ctx->index), &val);  in fsl_easrc_stop_context()
1338 		regmap_update_bits(easrc->regmap,  in fsl_easrc_stop_context()
1342 			regmap_read(easrc->regmap, REG_EASRC_SFS(ctx->index), &val);  in fsl_easrc_stop_context()
1348 				regmap_read(easrc->regmap, REG_EASRC_RDFIFO(ctx->index), &val);  in fsl_easrc_stop_context()
1350 			regmap_read(easrc->regmap, REG_EASRC_IRQF, &val);  in fsl_easrc_stop_context()
1353 				regmap_write_bits(easrc->regmap,  in fsl_easrc_stop_context()
1363 			dev_warn(&easrc->pdev->dev, "RUN STOP fail\n");  in fsl_easrc_stop_context()
1366 	regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx->index),  in fsl_easrc_stop_context()
1368 	regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx->index),  in fsl_easrc_stop_context()
1370 	regmap_update_bits(easrc->regmap, REG_EASRC_COC(ctx->index),  in fsl_easrc_stop_context()
1378 	struct fsl_asrc *easrc = ctx->asrc;  in fsl_easrc_get_dma_channel()  local
1385 	return dma_request_slave_channel(&easrc->pdev->dev, name);  in fsl_easrc_get_dma_channel()
1442 	struct fsl_asrc *easrc = snd_soc_dai_get_drvdata(dai);  in fsl_easrc_hw_params()  local
1444 	struct device *dev = &easrc->pdev->dev;  in fsl_easrc_hw_params()
1467 		ctx_priv->out_params.sample_rate = easrc->asrc_rate;  in fsl_easrc_hw_params()
1468 		ctx_priv->out_params.sample_format = easrc->asrc_format;  in fsl_easrc_hw_params()
1472 		ctx_priv->in_params.sample_rate = easrc->asrc_rate;  in fsl_easrc_hw_params()
1473 		ctx_priv->in_params.sample_format = easrc->asrc_format;  in fsl_easrc_hw_params()
1492 	ret = fsl_easrc_config_context(easrc, ctx->index);  in fsl_easrc_hw_params()
1536 	struct fsl_asrc *easrc = dev_get_drvdata(cpu_dai->dev);  in fsl_easrc_dai_probe()  local
1539 				  &easrc->dma_params_tx,  in fsl_easrc_dai_probe()
1540 				  &easrc->dma_params_rx);  in fsl_easrc_dai_probe()
1576 	.name			= "fsl-easrc-dai",
1755 static void fsl_easrc_dump_firmware(struct fsl_asrc *easrc)  in fsl_easrc_dump_firmware()  argument
1757 	struct fsl_easrc_priv *easrc_priv = easrc->private;  in fsl_easrc_dump_firmware()
1761 	struct device *dev = &easrc->pdev->dev;  in fsl_easrc_dump_firmware()
1800 static int fsl_easrc_get_firmware(struct fsl_asrc *easrc)  in fsl_easrc_get_firmware()  argument
1808 	if (!easrc)  in fsl_easrc_get_firmware()
1811 	easrc_priv = easrc->private;  in fsl_easrc_get_firmware()
1814 	ret = request_firmware(fw_p, easrc_priv->fw_name, &easrc->pdev->dev);  in fsl_easrc_get_firmware()
1836 	fsl_easrc_dump_firmware(easrc);  in fsl_easrc_get_firmware()
1844 	struct fsl_asrc *easrc = (struct fsl_asrc *)dev_id;  in fsl_easrc_isr()  local
1845 	struct device *dev = &easrc->pdev->dev;  in fsl_easrc_isr()
1848 	regmap_read(easrc->regmap, REG_EASRC_IRQF, &val);  in fsl_easrc_isr()
1865 	{ .compatible = "fsl,imx8mn-easrc",},
1874 	struct fsl_asrc *easrc;  in fsl_easrc_probe()  local
1881 	easrc = devm_kzalloc(dev, sizeof(*easrc), GFP_KERNEL);  in fsl_easrc_probe()
1882 	if (!easrc)  in fsl_easrc_probe()
1889 	easrc->pdev = pdev;  in fsl_easrc_probe()
1890 	easrc->private = easrc_priv;  in fsl_easrc_probe()
1897 	easrc->paddr = res->start;  in fsl_easrc_probe()
1899 	easrc->regmap = devm_regmap_init_mmio(dev, regs, &fsl_easrc_regmap_config);  in fsl_easrc_probe()
1900 	if (IS_ERR(easrc->regmap)) {  in fsl_easrc_probe()
1902 		return PTR_ERR(easrc->regmap);  in fsl_easrc_probe()
1910 			       dev_name(dev), easrc);  in fsl_easrc_probe()
1916 	easrc->mem_clk = devm_clk_get(dev, "mem");  in fsl_easrc_probe()
1917 	if (IS_ERR(easrc->mem_clk)) {  in fsl_easrc_probe()
1919 		return PTR_ERR(easrc->mem_clk);  in fsl_easrc_probe()
1923 	easrc->channel_avail = 32;  in fsl_easrc_probe()
1924 	easrc->get_dma_channel = fsl_easrc_get_dma_channel;  in fsl_easrc_probe()
1925 	easrc->request_pair = fsl_easrc_request_context;  in fsl_easrc_probe()
1926 	easrc->release_pair = fsl_easrc_release_context;  in fsl_easrc_probe()
1927 	easrc->get_fifo_addr = fsl_easrc_get_fifo_addr;  in fsl_easrc_probe()
1928 	easrc->pair_priv_size = sizeof(struct fsl_easrc_ctx_priv);  in fsl_easrc_probe()
1933 	ret = of_property_read_u32(np, "fsl,asrc-rate", &easrc->asrc_rate);  in fsl_easrc_probe()
1940 	easrc->asrc_format = (__force snd_pcm_format_t)asrc_fmt;  in fsl_easrc_probe()
1946 	if (!(FSL_EASRC_FORMATS & (pcm_format_to_bits(easrc->asrc_format)))) {  in fsl_easrc_probe()
1948 		easrc->asrc_format = SNDRV_PCM_FORMAT_S24_LE;  in fsl_easrc_probe()
1958 	platform_set_drvdata(pdev, easrc);  in fsl_easrc_probe()
1961 	spin_lock_init(&easrc->lock);  in fsl_easrc_probe()
1963 	regcache_cache_only(easrc->regmap, true);  in fsl_easrc_probe()
1993 	struct fsl_asrc *easrc = dev_get_drvdata(dev);  in fsl_easrc_runtime_suspend()  local
1994 	struct fsl_easrc_priv *easrc_priv = easrc->private;  in fsl_easrc_runtime_suspend()
1997 	regcache_cache_only(easrc->regmap, true);  in fsl_easrc_runtime_suspend()
1999 	clk_disable_unprepare(easrc->mem_clk);  in fsl_easrc_runtime_suspend()
2001 	spin_lock_irqsave(&easrc->lock, lock_flags);  in fsl_easrc_runtime_suspend()
2003 	spin_unlock_irqrestore(&easrc->lock, lock_flags);  in fsl_easrc_runtime_suspend()
2010 	struct fsl_asrc *easrc = dev_get_drvdata(dev);  in fsl_easrc_runtime_resume()  local
2011 	struct fsl_easrc_priv *easrc_priv = easrc->private;  in fsl_easrc_runtime_resume()
2018 	ret = clk_prepare_enable(easrc->mem_clk);  in fsl_easrc_runtime_resume()
2022 	regcache_cache_only(easrc->regmap, false);  in fsl_easrc_runtime_resume()
2023 	regcache_mark_dirty(easrc->regmap);  in fsl_easrc_runtime_resume()
2024 	regcache_sync(easrc->regmap);  in fsl_easrc_runtime_resume()
2026 	spin_lock_irqsave(&easrc->lock, lock_flags);  in fsl_easrc_runtime_resume()
2028 		spin_unlock_irqrestore(&easrc->lock, lock_flags);  in fsl_easrc_runtime_resume()
2032 	spin_unlock_irqrestore(&easrc->lock, lock_flags);  in fsl_easrc_runtime_resume()
2034 	ret = fsl_easrc_get_firmware(easrc);  in fsl_easrc_runtime_resume()
2045 	ret = fsl_easrc_resampler_config(easrc);  in fsl_easrc_runtime_resume()
2052 		ctx = easrc->pair[i];  in fsl_easrc_runtime_resume()
2065 		ret = fsl_easrc_write_pf_coeff_mem(easrc, i,  in fsl_easrc_runtime_resume()
2072 		ret = fsl_easrc_write_pf_coeff_mem(easrc, i,  in fsl_easrc_runtime_resume()
2084 	clk_disable_unprepare(easrc->mem_clk);  in fsl_easrc_runtime_resume()
2098 		.name = "fsl-easrc",
2105 MODULE_DESCRIPTION("NXP Enhanced Asynchronous Sample Rate (eASRC) driver");