diff options
Diffstat (limited to 'sound/soc/samsung/smdk_wm8580.c')
| -rw-r--r-- | sound/soc/samsung/smdk_wm8580.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/sound/soc/samsung/smdk_wm8580.c b/sound/soc/samsung/smdk_wm8580.c deleted file mode 100644 index ed753a2f202e..000000000000 --- a/sound/soc/samsung/smdk_wm8580.c +++ /dev/null @@ -1,211 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -// -// Copyright (c) 2009 Samsung Electronics Co. Ltd -// Author: Jaswinder Singh <jassisinghbrar@gmail.com> - -#include <linux/module.h> -#include <sound/soc.h> -#include <sound/pcm_params.h> - -#include "../codecs/wm8580.h" -#include "i2s.h" - -/* - * Default CFG switch settings to use this driver: - * - * SMDK6410: Set CFG1 1-3 Off, CFG2 1-4 On - */ - -/* SMDK has a 12MHZ crystal attached to WM8580 */ -#define SMDK_WM8580_FREQ 12000000 - -static int smdk_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); - unsigned int pll_out; - int rfs, ret; - - switch (params_width(params)) { - case 8: - case 16: - break; - default: - return -EINVAL; - } - - /* The Fvco for WM8580 PLLs must fall within [90,100]MHz. - * This criterion can't be met if we request PLL output - * as {8000x256, 64000x256, 11025x256}Hz. - * As a wayout, we rather change rfs to a minimum value that - * results in (params_rate(params) * rfs), and itself, acceptable - * to both - the CODEC and the CPU. - */ - switch (params_rate(params)) { - case 16000: - case 22050: - case 32000: - case 44100: - case 48000: - case 88200: - case 96000: - rfs = 256; - break; - case 64000: - rfs = 384; - break; - case 8000: - case 11025: - rfs = 512; - break; - default: - return -EINVAL; - } - pll_out = params_rate(params) * rfs; - - /* Set WM8580 to drive MCLK from its PLLA */ - ret = snd_soc_dai_set_clkdiv(codec_dai, WM8580_MCLK, - WM8580_CLKSRC_PLLA); - if (ret < 0) - return ret; - - ret = snd_soc_dai_set_pll(codec_dai, WM8580_PLLA, 0, - SMDK_WM8580_FREQ, pll_out); - if (ret < 0) - return ret; - - ret = snd_soc_dai_set_sysclk(codec_dai, WM8580_CLKSRC_PLLA, - pll_out, SND_SOC_CLOCK_IN); - if (ret < 0) - return ret; - - return 0; -} - -/* - * SMDK WM8580 DAI operations. - */ -static struct snd_soc_ops smdk_ops = { - .hw_params = smdk_hw_params, -}; - -/* SMDK Playback widgets */ -static const struct snd_soc_dapm_widget smdk_wm8580_dapm_widgets[] = { - SND_SOC_DAPM_HP("Front", NULL), - SND_SOC_DAPM_HP("Center+Sub", NULL), - SND_SOC_DAPM_HP("Rear", NULL), - - SND_SOC_DAPM_MIC("MicIn", NULL), - SND_SOC_DAPM_LINE("LineIn", NULL), -}; - -/* SMDK-PAIFTX connections */ -static const struct snd_soc_dapm_route smdk_wm8580_audio_map[] = { - /* MicIn feeds AINL */ - {"AINL", NULL, "MicIn"}, - - /* LineIn feeds AINL/R */ - {"AINL", NULL, "LineIn"}, - {"AINR", NULL, "LineIn"}, - - /* Front Left/Right are fed VOUT1L/R */ - {"Front", NULL, "VOUT1L"}, - {"Front", NULL, "VOUT1R"}, - - /* Center/Sub are fed VOUT2L/R */ - {"Center+Sub", NULL, "VOUT2L"}, - {"Center+Sub", NULL, "VOUT2R"}, - - /* Rear Left/Right are fed VOUT3L/R */ - {"Rear", NULL, "VOUT3L"}, - {"Rear", NULL, "VOUT3R"}, -}; - -static int smdk_wm8580_init_paiftx(struct snd_soc_pcm_runtime *rtd) -{ - /* Enabling the microphone requires the fitting of a 0R - * resistor to connect the line from the microphone jack. - */ - snd_soc_dapm_disable_pin(&rtd->card->dapm, "MicIn"); - - return 0; -} - -enum { - PRI_PLAYBACK = 0, - PRI_CAPTURE, -}; - -#define SMDK_DAI_FMT (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | \ - SND_SOC_DAIFMT_CBM_CFM) - -SND_SOC_DAILINK_DEFS(paif_rx, - DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.2")), - DAILINK_COMP_ARRAY(COMP_CODEC("wm8580.0-001b", "wm8580-hifi-playback")), - DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0"))); - -SND_SOC_DAILINK_DEFS(paif_tx, - DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.2")), - DAILINK_COMP_ARRAY(COMP_CODEC("wm8580.0-001b", "wm8580-hifi-capture")), - DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0"))); - -static struct snd_soc_dai_link smdk_dai[] = { - [PRI_PLAYBACK] = { /* Primary Playback i/f */ - .name = "WM8580 PAIF RX", - .stream_name = "Playback", - .dai_fmt = SMDK_DAI_FMT, - .ops = &smdk_ops, - SND_SOC_DAILINK_REG(paif_rx), - }, - [PRI_CAPTURE] = { /* Primary Capture i/f */ - .name = "WM8580 PAIF TX", - .stream_name = "Capture", - .dai_fmt = SMDK_DAI_FMT, - .init = smdk_wm8580_init_paiftx, - .ops = &smdk_ops, - SND_SOC_DAILINK_REG(paif_tx), - }, -}; - -static struct snd_soc_card smdk = { - .name = "SMDK-I2S", - .owner = THIS_MODULE, - .dai_link = smdk_dai, - .num_links = ARRAY_SIZE(smdk_dai), - - .dapm_widgets = smdk_wm8580_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(smdk_wm8580_dapm_widgets), - .dapm_routes = smdk_wm8580_audio_map, - .num_dapm_routes = ARRAY_SIZE(smdk_wm8580_audio_map), -}; - -static struct platform_device *smdk_snd_device; - -static int __init smdk_audio_init(void) -{ - int ret; - - smdk_snd_device = platform_device_alloc("soc-audio", -1); - if (!smdk_snd_device) - return -ENOMEM; - - platform_set_drvdata(smdk_snd_device, &smdk); - ret = platform_device_add(smdk_snd_device); - - if (ret) - platform_device_put(smdk_snd_device); - - return ret; -} -module_init(smdk_audio_init); - -static void __exit smdk_audio_exit(void) -{ - platform_device_unregister(smdk_snd_device); -} -module_exit(smdk_audio_exit); - -MODULE_AUTHOR("Jaswinder Singh, jassisinghbrar@gmail.com"); -MODULE_DESCRIPTION("ALSA SoC SMDK WM8580"); -MODULE_LICENSE("GPL"); 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