1 // SPDX-License-Identifier: GPL-2.0-only
2 // SPDX-FileCopyrightText: Copyright (c) 2022-2024 NVIDIA CORPORATION & AFFILIATES.
5 // tegra210_ope.c - Tegra210 OPE driver
8 #include <linux/device.h>
44 		return -EINVAL;  in tegra210_ope_set_audio_cif()
55 		return -EINVAL;  in tegra210_ope_set_audio_cif()
63 	tegra_set_cif(ope->regmap, reg, &cif_conf);  in tegra210_ope_set_audio_cif()
72 	struct device *dev = dai->dev;  in tegra210_ope_hw_params()
76 	/* Set RX and TX CIF */  in tegra210_ope_hw_params()
80 		dev_err(dev, "Can't set OPE RX CIF: %d\n", err);  in tegra210_ope_hw_params()
91 	tegra210_mbdrc_hw_params(dai->component);  in tegra210_ope_hw_params()
98 	struct tegra210_ope *ope = dev_get_drvdata(cmpnt->dev);  in tegra210_ope_component_probe()
105 	 * device registered by OPE driver. In fact OPE HW block includes  in tegra210_ope_component_probe()
114 	snd_soc_component_init_regmap(cmpnt, ope->regmap);  in tegra210_ope_component_probe()
125 		.name = "OPE-RX-CIF",
127 			.stream_name = "RX-CIF-Playback",
137 			.stream_name = "RX-CIF-Capture",
148 		.name = "OPE-TX-CIF",
150 			.stream_name = "TX-CIF-Playback",
160 			.stream_name = "TX-CIF-Capture",
174 	SND_SOC_DAPM_AIF_IN("RX", NULL, 0, SND_SOC_NOPM, 0, 0),
180 	{ "RX XBAR-" sname,	NULL,	"XBAR-TX" },		\
181 	{ "RX-CIF-" sname,	NULL,	"RX XBAR-" sname },	\
182 	{ "RX",			NULL,	"RX-CIF-" sname },	\
183 	{ "TX-CIF-" sname,	NULL,	"TX" },			\
184 	{ "TX XBAR-" sname,	NULL,	"TX-CIF-" sname },	\
185 	{ "XBAR-RX",		NULL,	"TX XBAR-" sname }
188 	{ "TX", NULL, "RX" },
208 	ucontrol->value.enumerated.item[0] = ope->data_dir;  in tegra210_ope_get_data_dir()
218 	unsigned int value = ucontrol->value.enumerated.item[0];  in tegra210_ope_put_data_dir()
220 	if (value == ope->data_dir)  in tegra210_ope_put_data_dir()
223 	ope->data_dir = value;  in tegra210_ope_put_data_dir()
243 static bool tegra210_ope_wr_reg(struct device *dev, unsigned int reg)  in tegra210_ope_wr_reg()
256 static bool tegra210_ope_rd_reg(struct device *dev, unsigned int reg)  in tegra210_ope_rd_reg()
274 static bool tegra210_ope_volatile_reg(struct device *dev, unsigned int reg)  in tegra210_ope_volatile_reg()
305 	struct device *dev = &pdev->dev;  in tegra210_ope_probe()
312 		return -ENOMEM;  in tegra210_ope_probe()
318 	ope->regmap = devm_regmap_init_mmio(dev, regs,  in tegra210_ope_probe()
320 	if (IS_ERR(ope->regmap)) {  in tegra210_ope_probe()
322 		return PTR_ERR(ope->regmap);  in tegra210_ope_probe()
325 	regcache_cache_only(ope->regmap, true);  in tegra210_ope_probe()
356 	pm_runtime_disable(&pdev->dev);  in tegra210_ope_remove()
359 static int tegra210_ope_runtime_suspend(struct device *dev)  in tegra210_ope_runtime_suspend()
363 	tegra210_peq_save(ope->peq_regmap, ope->peq_biquad_gains,  in tegra210_ope_runtime_suspend()
364 			  ope->peq_biquad_shifts);  in tegra210_ope_runtime_suspend()
366 	regcache_cache_only(ope->mbdrc_regmap, true);  in tegra210_ope_runtime_suspend()
367 	regcache_cache_only(ope->peq_regmap, true);  in tegra210_ope_runtime_suspend()
368 	regcache_cache_only(ope->regmap, true);  in tegra210_ope_runtime_suspend()
370 	regcache_mark_dirty(ope->regmap);  in tegra210_ope_runtime_suspend()
371 	regcache_mark_dirty(ope->peq_regmap);  in tegra210_ope_runtime_suspend()
372 	regcache_mark_dirty(ope->mbdrc_regmap);  in tegra210_ope_runtime_suspend()
377 static int tegra210_ope_runtime_resume(struct device *dev)  in tegra210_ope_runtime_resume()
381 	regcache_cache_only(ope->regmap, false);  in tegra210_ope_runtime_resume()
382 	regcache_cache_only(ope->peq_regmap, false);  in tegra210_ope_runtime_resume()
383 	regcache_cache_only(ope->mbdrc_regmap, false);  in tegra210_ope_runtime_resume()
385 	regcache_sync(ope->regmap);  in tegra210_ope_runtime_resume()
386 	regcache_sync(ope->peq_regmap);  in tegra210_ope_runtime_resume()
387 	regcache_sync(ope->mbdrc_regmap);  in tegra210_ope_runtime_resume()
389 	tegra210_peq_restore(ope->peq_regmap, ope->peq_biquad_gains,  in tegra210_ope_runtime_resume()
390 			     ope->peq_biquad_shifts);  in tegra210_ope_runtime_resume()
402 	{ .compatible = "nvidia,tegra210-ope" },
409 		.name = "tegra210-ope",