3 // tegra210_amx.c - Tegra210 AMX driver
25  * received within these clock cycles, the AMX input channel gets
49 static void tegra210_amx_write_map_ram(struct tegra210_amx *amx)  in tegra210_amx_write_map_ram()  argument
53 	regmap_write(amx->regmap, TEGRA210_AMX_CFG_RAM_CTRL,  in tegra210_amx_write_map_ram()
59 		regmap_write(amx->regmap, TEGRA210_AMX_CFG_RAM_DATA,  in tegra210_amx_write_map_ram()
60 			     amx->map[i]);  in tegra210_amx_write_map_ram()
62 	regmap_write(amx->regmap, TEGRA210_AMX_OUT_BYTE_EN0, amx->byte_mask[0]);  in tegra210_amx_write_map_ram()
63 	regmap_write(amx->regmap, TEGRA210_AMX_OUT_BYTE_EN1, amx->byte_mask[1]);  in tegra210_amx_write_map_ram()
69 	struct tegra210_amx *amx = snd_soc_dai_get_drvdata(dai);  in tegra210_amx_startup()  local
73 	/* Ensure if AMX is disabled */  in tegra210_amx_startup()
74 	err = regmap_read_poll_timeout(amx->regmap, TEGRA210_AMX_STATUS, val,  in tegra210_amx_startup()
77 		dev_err(dai->dev, "failed to stop AMX, err = %d\n", err);  in tegra210_amx_startup()
87 	regmap_update_bits(amx->regmap, TEGRA210_AMX_SOFT_RESET,  in tegra210_amx_startup()
91 	err = regmap_read_poll_timeout(amx->regmap, TEGRA210_AMX_SOFT_RESET,  in tegra210_amx_startup()
94 		dev_err(dai->dev, "failed to reset AMX, err = %d\n", err);  in tegra210_amx_startup()
103 	struct tegra210_amx *amx = dev_get_drvdata(dev);  in tegra210_amx_runtime_suspend()  local
105 	regcache_cache_only(amx->regmap, true);  in tegra210_amx_runtime_suspend()
106 	regcache_mark_dirty(amx->regmap);  in tegra210_amx_runtime_suspend()
113 	struct tegra210_amx *amx = dev_get_drvdata(dev);  in tegra210_amx_runtime_resume()  local
115 	regcache_cache_only(amx->regmap, false);  in tegra210_amx_runtime_resume()
116 	regcache_sync(amx->regmap);  in tegra210_amx_runtime_resume()
118 	regmap_update_bits(amx->regmap,  in tegra210_amx_runtime_resume()
123 	tegra210_amx_write_map_ram(amx);  in tegra210_amx_runtime_resume()
132 	struct tegra210_amx *amx = snd_soc_dai_get_drvdata(dai);  in tegra210_amx_set_audio_cif()  local
159 	tegra_set_cif(amx->regmap, reg, &cif_conf);  in tegra210_amx_set_audio_cif()
168 	struct tegra210_amx *amx = snd_soc_dai_get_drvdata(dai);  in tegra210_amx_in_hw_params()  local
170 	if (amx->soc_data->auto_disable) {  in tegra210_amx_in_hw_params()
171 		regmap_write(amx->regmap,  in tegra210_amx_in_hw_params()
174 		regmap_write(amx->regmap, TEGRA210_AMX_CYA, 1);  in tegra210_amx_in_hw_params()
195 	struct tegra210_amx *amx = snd_soc_component_get_drvdata(cmpnt);  in tegra210_amx_get_byte_map()  local
196 	unsigned char *bytes_map = (unsigned char *)&amx->map;  in tegra210_amx_get_byte_map()
201 		enabled = amx->byte_mask[1] & (1 << (reg - 32));  in tegra210_amx_get_byte_map()
203 		enabled = amx->byte_mask[0] & (1 << reg);  in tegra210_amx_get_byte_map()
229 	struct tegra210_amx *amx = snd_soc_component_get_drvdata(cmpnt);  in tegra210_amx_put_byte_map()  local
230 	unsigned char *bytes_map = (unsigned char *)&amx->map;  in tegra210_amx_put_byte_map()
233 	unsigned int mask_val = amx->byte_mask[reg / 32];  in tegra210_amx_put_byte_map()
240 	if (mask_val == amx->byte_mask[reg / 32])  in tegra210_amx_put_byte_map()
245 	amx->byte_mask[reg / 32] = mask_val;  in tegra210_amx_put_byte_map()
261 		.name = "AMX-RX-CIF" #id,			\
285 		.name = "AMX-TX-CIF",				\
526 	{ .compatible = "nvidia,tegra210-amx", .data = &soc_data_tegra210 },
527 	{ .compatible = "nvidia,tegra194-amx", .data = &soc_data_tegra194 },
535 	struct tegra210_amx *amx;  in tegra210_amx_platform_probe()  local
539 	amx = devm_kzalloc(dev, sizeof(*amx), GFP_KERNEL);  in tegra210_amx_platform_probe()
540 	if (!amx)  in tegra210_amx_platform_probe()
543 	amx->soc_data = device_get_match_data(dev);  in tegra210_amx_platform_probe()
545 	dev_set_drvdata(dev, amx);  in tegra210_amx_platform_probe()
551 	amx->regmap = devm_regmap_init_mmio(dev, regs,  in tegra210_amx_platform_probe()
552 					    amx->soc_data->regmap_conf);  in tegra210_amx_platform_probe()
553 	if (IS_ERR(amx->regmap)) {  in tegra210_amx_platform_probe()
555 		return PTR_ERR(amx->regmap);  in tegra210_amx_platform_probe()
558 	regcache_cache_only(amx->regmap, true);  in tegra210_amx_platform_probe()
564 		dev_err(dev, "can't register AMX component, err: %d\n", err);  in tegra210_amx_platform_probe()
587 		.name = "tegra210-amx",
597 MODULE_DESCRIPTION("Tegra210 AMX ASoC driver");