diff options
Diffstat (limited to 'sound/soc/tegra/tegra_wm8753.c')
| -rw-r--r-- | sound/soc/tegra/tegra_wm8753.c | 88 |
1 files changed, 73 insertions, 15 deletions
diff --git a/sound/soc/tegra/tegra_wm8753.c b/sound/soc/tegra/tegra_wm8753.c index f7c7a4c6b5a1..f1b9335ab473 100644 --- a/sound/soc/tegra/tegra_wm8753.c +++ b/sound/soc/tegra/tegra_wm8753.c @@ -12,6 +12,7 @@ * Author: Graeme Gregory * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com * + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. @@ -30,6 +31,7 @@ #include <asm/mach-types.h> +#include <linux/clk.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> @@ -83,8 +85,10 @@ static int tegra_wm8753_hw_params(struct snd_pcm_substream *substream, struct snd_soc_codec *codec = rtd->codec; struct snd_soc_card *card = codec->card; struct tegra_wm8753 *machine = snd_soc_card_get_drvdata(card); + struct tegra_asoc_platform_data *pdata = machine->pdata; int srate, mclk, i2s_daifmt; - int err; + int err, rate; + srate = params_rate(params); switch (srate) { case 8000: @@ -119,14 +123,38 @@ static int tegra_wm8753_hw_params(struct snd_pcm_substream *substream, tegra_asoc_utils_lock_clk_rate(&machine->util_data, 1); - i2s_daifmt = SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS; + rate = clk_get_rate(machine->util_data.clk_cdev1); + + i2s_daifmt = SND_SOC_DAIFMT_NB_NF; + i2s_daifmt |= pdata->i2s_param[HIFI_CODEC].is_i2s_master ? + SND_SOC_DAIFMT_CBS_CFS : SND_SOC_DAIFMT_CBM_CFM; /* Use DSP mode for mono on Tegra20 */ - if ((params_channels(params) != 2) && machine_is_whistler()) + if ((params_channels(params) != 2) && machine_is_whistler()) { i2s_daifmt |= SND_SOC_DAIFMT_DSP_A; - else - i2s_daifmt |= SND_SOC_DAIFMT_I2S; + } else { + switch (pdata->i2s_param[HIFI_CODEC].i2s_mode) { + case TEGRA_DAIFMT_I2S : + i2s_daifmt |= SND_SOC_DAIFMT_I2S; + break; + case TEGRA_DAIFMT_DSP_A : + i2s_daifmt |= SND_SOC_DAIFMT_DSP_A; + break; + case TEGRA_DAIFMT_DSP_B : + i2s_daifmt |= SND_SOC_DAIFMT_DSP_B; + break; + case TEGRA_DAIFMT_LEFT_J : + i2s_daifmt |= SND_SOC_DAIFMT_LEFT_J; + break; + case TEGRA_DAIFMT_RIGHT_J : + i2s_daifmt |= SND_SOC_DAIFMT_RIGHT_J; + break; + default : + dev_err(card->dev, + "Can't configure i2s format\n"); + return -EINVAL; + } + } err = snd_soc_dai_set_fmt(codec_dai, i2s_daifmt); if (err < 0) { @@ -140,8 +168,7 @@ static int tegra_wm8753_hw_params(struct snd_pcm_substream *substream, return err; } - err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, - SND_SOC_CLOCK_IN); + err = snd_soc_dai_set_sysclk(codec_dai, 0, rate, SND_SOC_CLOCK_IN); if (err < 0) { dev_err(card->dev, "codec_dai clock not set\n"); return err; @@ -173,7 +200,8 @@ static int tegra_bt_sco_hw_params(struct snd_pcm_substream *substream, struct snd_soc_codec *codec = rtd->codec; struct snd_soc_card *card = codec->card; struct tegra_wm8753 *machine = snd_soc_card_get_drvdata(card); - int srate, mclk, min_mclk; + struct tegra_asoc_platform_data *pdata = machine->pdata; + int srate, mclk, min_mclk, i2s_daifmt; int err; srate = params_rate(params); @@ -209,10 +237,32 @@ static int tegra_bt_sco_hw_params(struct snd_pcm_substream *substream, tegra_asoc_utils_lock_clk_rate(&machine->util_data, 1); - err = snd_soc_dai_set_fmt(cpu_dai, - SND_SOC_DAIFMT_DSP_A | - SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS); + i2s_daifmt = SND_SOC_DAIFMT_NB_NF; + i2s_daifmt |= pdata->i2s_param[BT_SCO].is_i2s_master ? + SND_SOC_DAIFMT_CBS_CFS : SND_SOC_DAIFMT_CBM_CFM; + + switch (pdata->i2s_param[BT_SCO].i2s_mode) { + case TEGRA_DAIFMT_I2S : + i2s_daifmt |= SND_SOC_DAIFMT_I2S; + break; + case TEGRA_DAIFMT_DSP_A : + i2s_daifmt |= SND_SOC_DAIFMT_DSP_A; + break; + case TEGRA_DAIFMT_DSP_B : + i2s_daifmt |= SND_SOC_DAIFMT_DSP_B; + break; + case TEGRA_DAIFMT_LEFT_J : + i2s_daifmt |= SND_SOC_DAIFMT_LEFT_J; + break; + case TEGRA_DAIFMT_RIGHT_J : + i2s_daifmt |= SND_SOC_DAIFMT_RIGHT_J; + break; + default : + dev_err(card->dev, "Can't configure i2s format\n"); + return -EINVAL; + } + + err = snd_soc_dai_set_fmt(cpu_dai, i2s_daifmt); if (err < 0) { dev_err(card->dev, "cpu_dai fmt not set\n"); return err; @@ -873,8 +923,6 @@ static __devinit int tegra_wm8753_driver_probe(struct platform_device *pdev) return -ENOMEM; } - machine->pdata = pdata; - ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev, card); if (ret) goto err_free_machine; @@ -904,6 +952,16 @@ static __devinit int tegra_wm8753_driver_probe(struct platform_device *pdev) } #endif +#ifndef CONFIG_ARCH_TEGRA_2x_SOC + ret = tegra_asoc_utils_set_parent(&machine->util_data, + pdata->i2s_param[HIFI_CODEC].is_i2s_master); + if (ret) { + dev_err(&pdev->dev, "tegra_asoc_utils_set_parent failed (%d)\n", + ret); + goto err_unregister_card; + } +#endif + return 0; err_unregister_card: |