1 // SPDX-License-Identifier: GPL-2.0-only
3 // tegra210_adx.c - Tegra210 ADX driver
36 static void tegra210_adx_write_map_ram(struct tegra210_adx *adx)  in tegra210_adx_write_map_ram()  argument
40 	regmap_write(adx->regmap, TEGRA210_ADX_CFG_RAM_CTRL,  in tegra210_adx_write_map_ram()
46 		regmap_write(adx->regmap, TEGRA210_ADX_CFG_RAM_DATA,  in tegra210_adx_write_map_ram()
47 			     adx->map[i]);  in tegra210_adx_write_map_ram()
49 	regmap_write(adx->regmap, TEGRA210_ADX_IN_BYTE_EN0, adx->byte_mask[0]);  in tegra210_adx_write_map_ram()
50 	regmap_write(adx->regmap, TEGRA210_ADX_IN_BYTE_EN1, adx->byte_mask[1]);  in tegra210_adx_write_map_ram()
56 	struct tegra210_adx *adx = snd_soc_dai_get_drvdata(dai);  in tegra210_adx_startup()  local
60 	/* Ensure if ADX status is disabled */  in tegra210_adx_startup()
61 	err = regmap_read_poll_timeout_atomic(adx->regmap, TEGRA210_ADX_STATUS,  in tegra210_adx_startup()
64 		dev_err(dai->dev, "failed to stop ADX, err = %d\n", err);  in tegra210_adx_startup()
74 	regmap_update_bits(adx->regmap, TEGRA210_ADX_SOFT_RESET,  in tegra210_adx_startup()
78 	err = regmap_read_poll_timeout(adx->regmap, TEGRA210_ADX_SOFT_RESET,  in tegra210_adx_startup()
81 		dev_err(dai->dev, "failed to reset ADX, err = %d\n", err);  in tegra210_adx_startup()
90 	struct tegra210_adx *adx = dev_get_drvdata(dev);  in tegra210_adx_runtime_suspend()  local
92 	regcache_cache_only(adx->regmap, true);  in tegra210_adx_runtime_suspend()
93 	regcache_mark_dirty(adx->regmap);  in tegra210_adx_runtime_suspend()
100 	struct tegra210_adx *adx = dev_get_drvdata(dev);  in tegra210_adx_runtime_resume()  local
102 	regcache_cache_only(adx->regmap, false);  in tegra210_adx_runtime_resume()
103 	regcache_sync(adx->regmap);  in tegra210_adx_runtime_resume()
105 	tegra210_adx_write_map_ram(adx);  in tegra210_adx_runtime_resume()
115 	struct tegra210_adx *adx = snd_soc_dai_get_drvdata(dai);  in tegra210_adx_set_audio_cif()  local
122 		return -EINVAL;  in tegra210_adx_set_audio_cif()
135 		return -EINVAL;  in tegra210_adx_set_audio_cif()
143 	tegra_set_cif(adx->regmap, reg, &cif_conf);  in tegra210_adx_set_audio_cif()
154 			TEGRA210_ADX_TX1_CIF_CTRL + ((dai->id - 1) * TEGRA210_ADX_AUDIOCIF_CH_STRIDE));  in tegra210_adx_out_hw_params()
170 	struct tegra210_adx *adx = snd_soc_component_get_drvdata(cmpnt);  in tegra210_adx_get_byte_map()  local
172 	unsigned char *bytes_map = (unsigned char *)&adx->map;  in tegra210_adx_get_byte_map()
175 	mc = (struct soc_mixer_control *)kcontrol->private_value;  in tegra210_adx_get_byte_map()
176 	enabled = adx->byte_mask[mc->reg / 32] & (1 << (mc->reg % 32));  in tegra210_adx_get_byte_map()
179 		ucontrol->value.integer.value[0] = bytes_map[mc->reg];  in tegra210_adx_get_byte_map()
181 		ucontrol->value.integer.value[0] = 0;  in tegra210_adx_get_byte_map()
190 	struct tegra210_adx *adx = snd_soc_component_get_drvdata(cmpnt);  in tegra210_adx_put_byte_map()  local
191 	unsigned char *bytes_map = (unsigned char *)&adx->map;  in tegra210_adx_put_byte_map()
192 	int value = ucontrol->value.integer.value[0];  in tegra210_adx_put_byte_map()
194 		(struct soc_mixer_control *)kcontrol->private_value;  in tegra210_adx_put_byte_map()
196 	if (value == bytes_map[mc->reg])  in tegra210_adx_put_byte_map()
201 		bytes_map[mc->reg] = value;  in tegra210_adx_put_byte_map()
202 		adx->byte_mask[mc->reg / 32] |= (1 << (mc->reg % 32));  in tegra210_adx_put_byte_map()
205 		bytes_map[mc->reg] = 0;  in tegra210_adx_put_byte_map()
206 		adx->byte_mask[mc->reg / 32] &= ~(1 << (mc->reg % 32));  in tegra210_adx_put_byte_map()
223 		.name = "ADX-RX-CIF",				\
225 			.stream_name = "RX-CIF-Playback",	\
234 			.stream_name = "RX-CIF-Capture",	\
247 		.name = "ADX-TX" #id "-CIF",			\
249 			.stream_name = "TX" #id "-CIF-Playback",\
258 			.stream_name = "TX" #id "-CIF-Capture",	\
287 	{ "XBAR-" sname,		NULL,	"XBAR-TX" },		  \
288 	{ "RX-CIF-" sname,		NULL,	"XBAR-" sname },	  \
289 	{ "RX",				NULL,	"RX-CIF-" sname },	  \
291 	{ "TX" #id "-CIF-" sname,	NULL,	"TX" #id },		  \
292 	{ "TX" #id " XBAR-" sname,	NULL,	"TX" #id "-CIF-" sname }, \
293 	{ "TX" #id " XBAR-RX",		NULL,	"TX" #id " XBAR-" sname }
300 	{ "XBAR-" sname,		NULL,	"XBAR-TX" },		  \
301 	{ "RX-CIF-" sname,		NULL,	"XBAR-" sname },	  \
302 	{ "RX",				NULL,	"RX-CIF-" sname },	  \
304 	{ "TX" #id "-CIF-" sname,	NULL,	"TX" #id },		  \
305 	{ "TX" #id " XBAR-" sname,	NULL,	"TX" #id "-CIF-" sname }, \
306 	{ "TX" #id " XBAR-RX",		NULL,	"TX" #id " XBAR-" sname }
463 	{ .compatible = "nvidia,tegra210-adx" },
470 	struct device *dev = &pdev->dev;  in tegra210_adx_platform_probe()
471 	struct tegra210_adx *adx;  in tegra210_adx_platform_probe()  local
475 	adx = devm_kzalloc(dev, sizeof(*adx), GFP_KERNEL);  in tegra210_adx_platform_probe()
476 	if (!adx)  in tegra210_adx_platform_probe()
477 		return -ENOMEM;  in tegra210_adx_platform_probe()
479 	dev_set_drvdata(dev, adx);  in tegra210_adx_platform_probe()
485 	adx->regmap = devm_regmap_init_mmio(dev, regs,  in tegra210_adx_platform_probe()
487 	if (IS_ERR(adx->regmap)) {  in tegra210_adx_platform_probe()
489 		return PTR_ERR(adx->regmap);  in tegra210_adx_platform_probe()
492 	regcache_cache_only(adx->regmap, true);  in tegra210_adx_platform_probe()
498 		dev_err(dev, "can't register ADX component, err: %d\n", err);  in tegra210_adx_platform_probe()
509 	pm_runtime_disable(&pdev->dev);  in tegra210_adx_platform_remove()
523 		.name = "tegra210-adx",
533 MODULE_DESCRIPTION("Tegra210 ADX ASoC driver");