ASoC: mediatek: implement mediatek common structure
implement mediatek basic structure, include common private data, afe fe dai operator and afe platform driver. Signed-off-by: Garlic Tseng <garlic.tseng@mediatek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Garlic Tseng
Mark Brown
parent
0d1d7a6642
commit
283b612429
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/*
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* mtk-afe-fe-dais.c -- Mediatek afe fe dai operator
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*
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* Copyright (c) 2016 MediaTek Inc.
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* Author: Garlic Tseng <garlic.tseng@mediatek.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/module.h>
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#include <linux/pm_runtime.h>
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#include <linux/regmap.h>
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#include <sound/soc.h>
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#include "mtk-afe-fe-dai.h"
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#include "mtk-base-afe.h"
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#define AFE_BASE_END_OFFSET 8
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int mtk_regmap_update_bits(struct regmap *map, int reg, unsigned int mask,
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unsigned int val)
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{
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if (reg < 0)
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return 0;
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return regmap_update_bits(map, reg, mask, val);
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}
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int mtk_regmap_write(struct regmap *map, int reg, unsigned int val)
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{
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if (reg < 0)
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return 0;
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return regmap_write(map, reg, val);
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}
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int mtk_afe_fe_startup(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
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struct snd_pcm_runtime *runtime = substream->runtime;
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int memif_num = rtd->cpu_dai->id;
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struct mtk_base_afe_memif *memif = &afe->memif[memif_num];
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const struct snd_pcm_hardware *mtk_afe_hardware = afe->mtk_afe_hardware;
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int ret;
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memif->substream = substream;
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snd_pcm_hw_constraint_step(substream->runtime, 0,
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SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 16);
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/* enable agent */
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mtk_regmap_update_bits(afe->regmap, memif->data->agent_disable_reg,
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1 << memif->data->agent_disable_shift,
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0 << memif->data->agent_disable_shift);
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snd_soc_set_runtime_hwparams(substream, mtk_afe_hardware);
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/*
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* Capture cannot use ping-pong buffer since hw_ptr at IRQ may be
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* smaller than period_size due to AFE's internal buffer.
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* This easily leads to overrun when avail_min is period_size.
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* One more period can hold the possible unread buffer.
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*/
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if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
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int periods_max = mtk_afe_hardware->periods_max;
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ret = snd_pcm_hw_constraint_minmax(runtime,
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SNDRV_PCM_HW_PARAM_PERIODS,
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3, periods_max);
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if (ret < 0) {
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dev_err(afe->dev, "hw_constraint_minmax failed\n");
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return ret;
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}
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}
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ret = snd_pcm_hw_constraint_integer(runtime,
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SNDRV_PCM_HW_PARAM_PERIODS);
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if (ret < 0)
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dev_err(afe->dev, "snd_pcm_hw_constraint_integer failed\n");
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/* dynamic allocate irq to memif */
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if (memif->irq_usage < 0) {
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int irq_id = mtk_dynamic_irq_acquire(afe);
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if (irq_id != afe->irqs_size) {
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/* link */
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memif->irq_usage = irq_id;
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} else {
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dev_err(afe->dev, "%s() error: no more asys irq\n",
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__func__);
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ret = -EBUSY;
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}
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}
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return ret;
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}
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EXPORT_SYMBOL_GPL(mtk_afe_fe_startup);
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void mtk_afe_fe_shutdown(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
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struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
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int irq_id;
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irq_id = memif->irq_usage;
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mtk_regmap_update_bits(afe->regmap, memif->data->agent_disable_reg,
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1 << memif->data->agent_disable_shift,
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1 << memif->data->agent_disable_shift);
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if (!memif->const_irq) {
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mtk_dynamic_irq_release(afe, irq_id);
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memif->irq_usage = -1;
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memif->substream = NULL;
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}
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}
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EXPORT_SYMBOL_GPL(mtk_afe_fe_shutdown);
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int mtk_afe_fe_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
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struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
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int msb_at_bit33 = 0;
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int ret, fs = 0;
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ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
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if (ret < 0)
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return ret;
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msb_at_bit33 = upper_32_bits(substream->runtime->dma_addr) ? 1 : 0;
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memif->phys_buf_addr = lower_32_bits(substream->runtime->dma_addr);
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memif->buffer_size = substream->runtime->dma_bytes;
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/* start */
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mtk_regmap_write(afe->regmap, memif->data->reg_ofs_base,
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memif->phys_buf_addr);
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/* end */
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mtk_regmap_write(afe->regmap,
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memif->data->reg_ofs_base + AFE_BASE_END_OFFSET,
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memif->phys_buf_addr + memif->buffer_size - 1);
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/* set MSB to 33-bit */
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mtk_regmap_update_bits(afe->regmap, memif->data->msb_reg,
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1 << memif->data->msb_shift,
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msb_at_bit33 << memif->data->msb_shift);
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/* set channel */
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if (memif->data->mono_shift >= 0) {
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unsigned int mono = (params_channels(params) == 1) ? 1 : 0;
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mtk_regmap_update_bits(afe->regmap, memif->data->mono_reg,
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1 << memif->data->mono_shift,
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mono << memif->data->mono_shift);
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}
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/* set rate */
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if (memif->data->fs_shift < 0)
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return 0;
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fs = afe->memif_fs(substream, params_rate(params));
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if (fs < 0)
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return -EINVAL;
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mtk_regmap_update_bits(afe->regmap, memif->data->fs_reg,
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memif->data->fs_maskbit << memif->data->fs_shift,
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fs << memif->data->fs_shift);
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return 0;
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}
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EXPORT_SYMBOL_GPL(mtk_afe_fe_hw_params);
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int mtk_afe_fe_hw_free(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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return snd_pcm_lib_free_pages(substream);
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}
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EXPORT_SYMBOL_GPL(mtk_afe_fe_hw_free);
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int mtk_afe_fe_trigger(struct snd_pcm_substream *substream, int cmd,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_pcm_runtime * const runtime = substream->runtime;
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struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
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struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
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struct mtk_base_afe_irq *irqs = &afe->irqs[memif->irq_usage];
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const struct mtk_base_irq_data *irq_data = irqs->irq_data;
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unsigned int counter = runtime->period_size;
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int fs;
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dev_dbg(afe->dev, "%s %s cmd=%d\n", __func__, memif->data->name, cmd);
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_START:
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case SNDRV_PCM_TRIGGER_RESUME:
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if (memif->data->enable_shift >= 0)
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mtk_regmap_update_bits(afe->regmap,
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memif->data->enable_reg,
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1 << memif->data->enable_shift,
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1 << memif->data->enable_shift);
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/* set irq counter */
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mtk_regmap_update_bits(afe->regmap, irq_data->irq_cnt_reg,
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irq_data->irq_cnt_maskbit
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<< irq_data->irq_cnt_shift,
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counter << irq_data->irq_cnt_shift);
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/* set irq fs */
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fs = afe->irq_fs(substream, runtime->rate);
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if (fs < 0)
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return -EINVAL;
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mtk_regmap_update_bits(afe->regmap, irq_data->irq_fs_reg,
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irq_data->irq_fs_maskbit
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<< irq_data->irq_fs_shift,
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fs << irq_data->irq_fs_shift);
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/* enable interrupt */
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mtk_regmap_update_bits(afe->regmap, irq_data->irq_en_reg,
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1 << irq_data->irq_en_shift,
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1 << irq_data->irq_en_shift);
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return 0;
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case SNDRV_PCM_TRIGGER_STOP:
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case SNDRV_PCM_TRIGGER_SUSPEND:
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mtk_regmap_update_bits(afe->regmap, memif->data->enable_reg,
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1 << memif->data->enable_shift, 0);
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/* disable interrupt */
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mtk_regmap_update_bits(afe->regmap, irq_data->irq_en_reg,
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1 << irq_data->irq_en_shift,
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0 << irq_data->irq_en_shift);
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/* and clear pending IRQ */
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mtk_regmap_write(afe->regmap, irq_data->irq_clr_reg,
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1 << irq_data->irq_clr_shift);
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return 0;
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default:
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return -EINVAL;
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}
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}
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EXPORT_SYMBOL_GPL(mtk_afe_fe_trigger);
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int mtk_afe_fe_prepare(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
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struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
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int hd_audio = 0;
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/* set hd mode */
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switch (substream->runtime->format) {
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case SNDRV_PCM_FORMAT_S16_LE:
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hd_audio = 0;
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break;
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case SNDRV_PCM_FORMAT_S32_LE:
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hd_audio = 1;
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break;
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case SNDRV_PCM_FORMAT_S24_LE:
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hd_audio = 1;
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break;
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default:
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dev_err(afe->dev, "%s() error: unsupported format %d\n",
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__func__, substream->runtime->format);
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break;
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}
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mtk_regmap_update_bits(afe->regmap, memif->data->hd_reg,
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1 << memif->data->hd_shift,
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hd_audio << memif->data->hd_shift);
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return 0;
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}
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EXPORT_SYMBOL_GPL(mtk_afe_fe_prepare);
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const struct snd_soc_dai_ops mtk_afe_fe_ops = {
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.startup = mtk_afe_fe_startup,
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.shutdown = mtk_afe_fe_shutdown,
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.hw_params = mtk_afe_fe_hw_params,
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.hw_free = mtk_afe_fe_hw_free,
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.prepare = mtk_afe_fe_prepare,
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.trigger = mtk_afe_fe_trigger,
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};
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EXPORT_SYMBOL_GPL(mtk_afe_fe_ops);
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static DEFINE_MUTEX(irqs_lock);
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int mtk_dynamic_irq_acquire(struct mtk_base_afe *afe)
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{
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int i;
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mutex_lock(&afe->irq_alloc_lock);
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for (i = 0; i < afe->irqs_size; ++i) {
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if (afe->irqs[i].irq_occupyed == 0) {
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afe->irqs[i].irq_occupyed = 1;
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mutex_unlock(&afe->irq_alloc_lock);
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return i;
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}
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}
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mutex_unlock(&afe->irq_alloc_lock);
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return afe->irqs_size;
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}
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EXPORT_SYMBOL_GPL(mtk_dynamic_irq_acquire);
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int mtk_dynamic_irq_release(struct mtk_base_afe *afe, int irq_id)
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{
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mutex_lock(&afe->irq_alloc_lock);
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if (irq_id >= 0 && irq_id < afe->irqs_size) {
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afe->irqs[irq_id].irq_occupyed = 0;
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mutex_unlock(&afe->irq_alloc_lock);
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return 0;
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}
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mutex_unlock(&afe->irq_alloc_lock);
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return -EINVAL;
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}
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EXPORT_SYMBOL_GPL(mtk_dynamic_irq_release);
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int mtk_afe_dai_suspend(struct snd_soc_dai *dai)
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{
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struct mtk_base_afe *afe = dev_get_drvdata(dai->dev);
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struct device *dev = afe->dev;
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struct regmap *regmap = afe->regmap;
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int i;
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if (pm_runtime_status_suspended(dev) || afe->suspended)
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return 0;
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if (!afe->reg_back_up)
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afe->reg_back_up =
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devm_kcalloc(dev, afe->reg_back_up_list_num,
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sizeof(unsigned int), GFP_KERNEL);
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for (i = 0; i < afe->reg_back_up_list_num; i++)
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regmap_read(regmap, afe->reg_back_up_list[i],
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&afe->reg_back_up[i]);
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afe->suspended = true;
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afe->runtime_suspend(dev);
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return 0;
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}
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EXPORT_SYMBOL_GPL(mtk_afe_dai_suspend);
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int mtk_afe_dai_resume(struct snd_soc_dai *dai)
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{
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struct mtk_base_afe *afe = dev_get_drvdata(dai->dev);
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struct device *dev = afe->dev;
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struct regmap *regmap = afe->regmap;
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int i = 0;
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if (pm_runtime_status_suspended(dev) || !afe->suspended)
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return 0;
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afe->runtime_resume(dev);
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if (!afe->reg_back_up)
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dev_dbg(dev, "%s no reg_backup\n", __func__);
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for (i = 0; i < afe->reg_back_up_list_num; i++)
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mtk_regmap_write(regmap, afe->reg_back_up_list[i],
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afe->reg_back_up[i]);
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afe->suspended = false;
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return 0;
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}
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EXPORT_SYMBOL_GPL(mtk_afe_dai_resume);
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MODULE_DESCRIPTION("Mediatek simple fe dai operator");
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MODULE_AUTHOR("Garlic Tseng <garlic.tseng@mediatek.com>");
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MODULE_LICENSE("GPL v2");
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@ -0,0 +1,45 @@
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/*
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* mtk-afe-fe-dais.h -- Mediatek afe fe dai operator definition
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*
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* Copyright (c) 2016 MediaTek Inc.
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* Author: Garlic Tseng <garlic.tseng@mediatek.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _MTK_AFE_FE_DAI_H_
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#define _MTK_AFE_FE_DAI_H_
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struct snd_soc_dai_ops;
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struct mtk_base_afe;
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struct mtk_base_afe_memif;
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int mtk_afe_fe_startup(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai);
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void mtk_afe_fe_shutdown(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai);
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int mtk_afe_fe_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai);
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int mtk_afe_fe_hw_free(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai);
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int mtk_afe_fe_prepare(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai);
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int mtk_afe_fe_trigger(struct snd_pcm_substream *substream, int cmd,
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struct snd_soc_dai *dai);
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extern const struct snd_soc_dai_ops mtk_afe_fe_ops;
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int mtk_dynamic_irq_acquire(struct mtk_base_afe *afe);
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int mtk_dynamic_irq_release(struct mtk_base_afe *afe, int irq_id);
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int mtk_afe_dai_suspend(struct snd_soc_dai *dai);
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int mtk_afe_dai_resume(struct snd_soc_dai *dai);
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#endif
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|
|
@ -0,0 +1,90 @@
|
|||
/*
|
||||
* mtk-afe-platform-driver.c -- Mediatek afe platform driver
|
||||
*
|
||||
* Copyright (c) 2016 MediaTek Inc.
|
||||
* Author: Garlic Tseng <garlic.tseng@mediatek.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 and
|
||||
* only version 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*/
|
||||
|
||||
#include <linux/module.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <sound/soc.h>
|
||||
|
||||
#include "mtk-afe-platform-driver.h"
|
||||
#include "mtk-base-afe.h"
|
||||
|
||||
static snd_pcm_uframes_t mtk_afe_pcm_pointer
|
||||
(struct snd_pcm_substream *substream)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
||||
struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
|
||||
struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
|
||||
const struct mtk_base_memif_data *memif_data = memif->data;
|
||||
struct regmap *regmap = afe->regmap;
|
||||
struct device *dev = afe->dev;
|
||||
int reg_ofs_base = memif_data->reg_ofs_base;
|
||||
int reg_ofs_cur = memif_data->reg_ofs_cur;
|
||||
unsigned int hw_ptr = 0, hw_base = 0;
|
||||
int ret, pcm_ptr_bytes;
|
||||
|
||||
ret = regmap_read(regmap, reg_ofs_cur, &hw_ptr);
|
||||
if (ret || hw_ptr == 0) {
|
||||
dev_err(dev, "%s hw_ptr err\n", __func__);
|
||||
pcm_ptr_bytes = 0;
|
||||
goto POINTER_RETURN_FRAMES;
|
||||
}
|
||||
|
||||
ret = regmap_read(regmap, reg_ofs_base, &hw_base);
|
||||
if (ret || hw_base == 0) {
|
||||
dev_err(dev, "%s hw_ptr err\n", __func__);
|
||||
pcm_ptr_bytes = 0;
|
||||
goto POINTER_RETURN_FRAMES;
|
||||
}
|
||||
|
||||
pcm_ptr_bytes = hw_ptr - hw_base;
|
||||
|
||||
POINTER_RETURN_FRAMES:
|
||||
return bytes_to_frames(substream->runtime, pcm_ptr_bytes);
|
||||
}
|
||||
|
||||
static const struct snd_pcm_ops mtk_afe_pcm_ops = {
|
||||
.ioctl = snd_pcm_lib_ioctl,
|
||||
.pointer = mtk_afe_pcm_pointer,
|
||||
};
|
||||
|
||||
static int mtk_afe_pcm_new(struct snd_soc_pcm_runtime *rtd)
|
||||
{
|
||||
size_t size;
|
||||
struct snd_card *card = rtd->card->snd_card;
|
||||
struct snd_pcm *pcm = rtd->pcm;
|
||||
struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
|
||||
|
||||
size = afe->mtk_afe_hardware->buffer_bytes_max;
|
||||
return snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
|
||||
card->dev, size, size);
|
||||
}
|
||||
|
||||
static void mtk_afe_pcm_free(struct snd_pcm *pcm)
|
||||
{
|
||||
snd_pcm_lib_preallocate_free_for_all(pcm);
|
||||
}
|
||||
|
||||
const struct snd_soc_platform_driver mtk_afe_pcm_platform = {
|
||||
.ops = &mtk_afe_pcm_ops,
|
||||
.pcm_new = mtk_afe_pcm_new,
|
||||
.pcm_free = mtk_afe_pcm_free,
|
||||
};
|
||||
EXPORT_SYMBOL_GPL(mtk_afe_pcm_platform);
|
||||
|
||||
MODULE_DESCRIPTION("Mediatek simple platform driver");
|
||||
MODULE_AUTHOR("Garlic Tseng <garlic.tseng@mediatek.com>");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
|
||||
|
|
@ -0,0 +1,23 @@
|
|||
/*
|
||||
* mtk-afe-platform-driver.h -- Mediatek afe platform driver definition
|
||||
*
|
||||
* Copyright (c) 2016 MediaTek Inc.
|
||||
* Author: Garlic Tseng <garlic.tseng@mediatek.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 and
|
||||
* only version 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*/
|
||||
|
||||
#ifndef _MTK_AFE_PLATFORM_DRIVER_H_
|
||||
#define _MTK_AFE_PLATFORM_DRIVER_H_
|
||||
|
||||
extern const struct snd_soc_platform_driver mtk_afe_pcm_platform;
|
||||
|
||||
#endif
|
||||
|
||||
|
|
@ -0,0 +1,104 @@
|
|||
/*
|
||||
* mtk-base-afe.h -- Mediatek base afe structure
|
||||
*
|
||||
* Copyright (c) 2016 MediaTek Inc.
|
||||
* Author: Garlic Tseng <garlic.tseng@mediatek.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 and
|
||||
* only version 2 as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*/
|
||||
|
||||
#ifndef _MTK_BASE_AFE_H_
|
||||
#define _MTK_BASE_AFE_H_
|
||||
|
||||
struct mtk_base_memif_data {
|
||||
int id;
|
||||
const char *name;
|
||||
int reg_ofs_base;
|
||||
int reg_ofs_cur;
|
||||
int fs_reg;
|
||||
int fs_shift;
|
||||
int fs_maskbit;
|
||||
int mono_reg;
|
||||
int mono_shift;
|
||||
int enable_reg;
|
||||
int enable_shift;
|
||||
int hd_reg;
|
||||
int hd_shift;
|
||||
int msb_reg;
|
||||
int msb_shift;
|
||||
int agent_disable_reg;
|
||||
int agent_disable_shift;
|
||||
};
|
||||
|
||||
struct mtk_base_irq_data {
|
||||
int id;
|
||||
int irq_cnt_reg;
|
||||
int irq_cnt_shift;
|
||||
int irq_cnt_maskbit;
|
||||
int irq_fs_reg;
|
||||
int irq_fs_shift;
|
||||
int irq_fs_maskbit;
|
||||
int irq_en_reg;
|
||||
int irq_en_shift;
|
||||
int irq_clr_reg;
|
||||
int irq_clr_shift;
|
||||
};
|
||||
|
||||
struct device;
|
||||
struct mtk_base_afe_memif;
|
||||
struct mtk_base_afe_irq;
|
||||
struct regmap;
|
||||
struct snd_pcm_substream;
|
||||
struct snd_soc_dai;
|
||||
|
||||
struct mtk_base_afe {
|
||||
void __iomem *base_addr;
|
||||
struct device *dev;
|
||||
struct regmap *regmap;
|
||||
struct mutex irq_alloc_lock; /* dynamic alloc irq lock */
|
||||
|
||||
unsigned int const *reg_back_up_list;
|
||||
unsigned int *reg_back_up;
|
||||
unsigned int reg_back_up_list_num;
|
||||
|
||||
int (*runtime_suspend)(struct device *dev);
|
||||
int (*runtime_resume)(struct device *dev);
|
||||
bool suspended;
|
||||
|
||||
struct mtk_base_afe_memif *memif;
|
||||
int memif_size;
|
||||
struct mtk_base_afe_irq *irqs;
|
||||
int irqs_size;
|
||||
|
||||
const struct snd_pcm_hardware *mtk_afe_hardware;
|
||||
int (*memif_fs)(struct snd_pcm_substream *substream,
|
||||
unsigned int rate);
|
||||
int (*irq_fs)(struct snd_pcm_substream *substream,
|
||||
unsigned int rate);
|
||||
|
||||
void *platform_priv;
|
||||
};
|
||||
|
||||
struct mtk_base_afe_memif {
|
||||
unsigned int phys_buf_addr;
|
||||
int buffer_size;
|
||||
struct snd_pcm_substream *substream;
|
||||
const struct mtk_base_memif_data *data;
|
||||
int irq_usage;
|
||||
int const_irq;
|
||||
};
|
||||
|
||||
struct mtk_base_afe_irq {
|
||||
const struct mtk_base_irq_data *irq_data;
|
||||
int irq_occupyed;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue