465 lines
15 KiB
C
465 lines
15 KiB
C
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/*
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* mt2701-afe-clock-ctrl.c -- Mediatek 2701 afe clock ctrl
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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 <sound/soc.h>
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#include <linux/regmap.h>
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#include <linux/pm_runtime.h>
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#include "mt2701-afe-common.h"
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#include "mt2701-afe-clock-ctrl.h"
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static const char *aud_clks[MT2701_CLOCK_NUM] = {
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[MT2701_AUD_INFRA_SYS_AUDIO] = "infra_sys_audio_clk",
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[MT2701_AUD_AUD_MUX1_SEL] = "top_audio_mux1_sel",
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[MT2701_AUD_AUD_MUX2_SEL] = "top_audio_mux2_sel",
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[MT2701_AUD_AUD_MUX1_DIV] = "top_audio_mux1_div",
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[MT2701_AUD_AUD_MUX2_DIV] = "top_audio_mux2_div",
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[MT2701_AUD_AUD_48K_TIMING] = "top_audio_48k_timing",
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[MT2701_AUD_AUD_44K_TIMING] = "top_audio_44k_timing",
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[MT2701_AUD_AUDPLL_MUX_SEL] = "top_audpll_mux_sel",
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[MT2701_AUD_APLL_SEL] = "top_apll_sel",
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[MT2701_AUD_AUD1PLL_98M] = "top_aud1_pll_98M",
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[MT2701_AUD_AUD2PLL_90M] = "top_aud2_pll_90M",
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[MT2701_AUD_HADDS2PLL_98M] = "top_hadds2_pll_98M",
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[MT2701_AUD_HADDS2PLL_294M] = "top_hadds2_pll_294M",
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[MT2701_AUD_AUDPLL] = "top_audpll",
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[MT2701_AUD_AUDPLL_D4] = "top_audpll_d4",
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[MT2701_AUD_AUDPLL_D8] = "top_audpll_d8",
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[MT2701_AUD_AUDPLL_D16] = "top_audpll_d16",
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[MT2701_AUD_AUDPLL_D24] = "top_audpll_d24",
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[MT2701_AUD_AUDINTBUS] = "top_audintbus_sel",
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[MT2701_AUD_CLK_26M] = "clk_26m",
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[MT2701_AUD_SYSPLL1_D4] = "top_syspll1_d4",
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[MT2701_AUD_AUD_K1_SRC_SEL] = "top_aud_k1_src_sel",
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[MT2701_AUD_AUD_K2_SRC_SEL] = "top_aud_k2_src_sel",
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[MT2701_AUD_AUD_K3_SRC_SEL] = "top_aud_k3_src_sel",
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[MT2701_AUD_AUD_K4_SRC_SEL] = "top_aud_k4_src_sel",
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[MT2701_AUD_AUD_K5_SRC_SEL] = "top_aud_k5_src_sel",
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[MT2701_AUD_AUD_K6_SRC_SEL] = "top_aud_k6_src_sel",
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[MT2701_AUD_AUD_K1_SRC_DIV] = "top_aud_k1_src_div",
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[MT2701_AUD_AUD_K2_SRC_DIV] = "top_aud_k2_src_div",
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[MT2701_AUD_AUD_K3_SRC_DIV] = "top_aud_k3_src_div",
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[MT2701_AUD_AUD_K4_SRC_DIV] = "top_aud_k4_src_div",
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[MT2701_AUD_AUD_K5_SRC_DIV] = "top_aud_k5_src_div",
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[MT2701_AUD_AUD_K6_SRC_DIV] = "top_aud_k6_src_div",
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[MT2701_AUD_AUD_I2S1_MCLK] = "top_aud_i2s1_mclk",
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[MT2701_AUD_AUD_I2S2_MCLK] = "top_aud_i2s2_mclk",
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[MT2701_AUD_AUD_I2S3_MCLK] = "top_aud_i2s3_mclk",
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[MT2701_AUD_AUD_I2S4_MCLK] = "top_aud_i2s4_mclk",
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[MT2701_AUD_AUD_I2S5_MCLK] = "top_aud_i2s5_mclk",
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[MT2701_AUD_AUD_I2S6_MCLK] = "top_aud_i2s6_mclk",
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[MT2701_AUD_ASM_M_SEL] = "top_asm_m_sel",
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[MT2701_AUD_ASM_H_SEL] = "top_asm_h_sel",
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[MT2701_AUD_UNIVPLL2_D4] = "top_univpll2_d4",
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[MT2701_AUD_UNIVPLL2_D2] = "top_univpll2_d2",
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[MT2701_AUD_SYSPLL_D5] = "top_syspll_d5",
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};
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int mt2701_init_clock(struct mtk_base_afe *afe)
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{
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struct mt2701_afe_private *afe_priv = afe->platform_priv;
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int i = 0;
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for (i = 0; i < MT2701_CLOCK_NUM; i++) {
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afe_priv->clocks[i] = devm_clk_get(afe->dev, aud_clks[i]);
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if (IS_ERR(aud_clks[i])) {
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dev_warn(afe->dev, "%s devm_clk_get %s fail\n",
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__func__, aud_clks[i]);
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return PTR_ERR(aud_clks[i]);
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}
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}
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return 0;
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}
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int mt2701_afe_enable_clock(struct mtk_base_afe *afe)
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{
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int ret = 0;
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ret = mt2701_turn_on_a1sys_clock(afe);
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if (ret) {
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dev_err(afe->dev, "%s turn_on_a1sys_clock fail %d\n",
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__func__, ret);
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return ret;
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}
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ret = mt2701_turn_on_a2sys_clock(afe);
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if (ret) {
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dev_err(afe->dev, "%s turn_on_a2sys_clock fail %d\n",
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__func__, ret);
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mt2701_turn_off_a1sys_clock(afe);
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return ret;
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}
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ret = mt2701_turn_on_afe_clock(afe);
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if (ret) {
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dev_err(afe->dev, "%s turn_on_afe_clock fail %d\n",
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__func__, ret);
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mt2701_turn_off_a1sys_clock(afe);
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mt2701_turn_off_a2sys_clock(afe);
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return ret;
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}
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regmap_update_bits(afe->regmap, ASYS_TOP_CON,
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AUDIO_TOP_CON0_A1SYS_A2SYS_ON,
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AUDIO_TOP_CON0_A1SYS_A2SYS_ON);
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regmap_update_bits(afe->regmap, AFE_DAC_CON0,
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AFE_DAC_CON0_AFE_ON,
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AFE_DAC_CON0_AFE_ON);
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regmap_write(afe->regmap, PWR2_TOP_CON,
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PWR2_TOP_CON_INIT_VAL);
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regmap_write(afe->regmap, PWR1_ASM_CON1,
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PWR1_ASM_CON1_INIT_VAL);
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regmap_write(afe->regmap, PWR2_ASM_CON1,
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PWR2_ASM_CON1_INIT_VAL);
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return 0;
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}
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void mt2701_afe_disable_clock(struct mtk_base_afe *afe)
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{
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mt2701_turn_off_afe_clock(afe);
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mt2701_turn_off_a1sys_clock(afe);
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mt2701_turn_off_a2sys_clock(afe);
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regmap_update_bits(afe->regmap, ASYS_TOP_CON,
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AUDIO_TOP_CON0_A1SYS_A2SYS_ON, 0);
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regmap_update_bits(afe->regmap, AFE_DAC_CON0,
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AFE_DAC_CON0_AFE_ON, 0);
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}
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int mt2701_turn_on_a1sys_clock(struct mtk_base_afe *afe)
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{
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struct mt2701_afe_private *afe_priv = afe->platform_priv;
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int ret = 0;
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/* Set Mux */
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ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUD_MUX1_SEL]);
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if (ret) {
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dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
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__func__, aud_clks[MT2701_AUD_AUD_MUX1_SEL], ret);
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goto A1SYS_CLK_AUD_MUX1_SEL_ERR;
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}
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ret = clk_set_parent(afe_priv->clocks[MT2701_AUD_AUD_MUX1_SEL],
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afe_priv->clocks[MT2701_AUD_AUD1PLL_98M]);
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if (ret) {
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dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__,
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aud_clks[MT2701_AUD_AUD_MUX1_SEL],
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aud_clks[MT2701_AUD_AUD1PLL_98M], ret);
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goto A1SYS_CLK_AUD_MUX1_SEL_ERR;
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}
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/* Set Divider */
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ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUD_MUX1_DIV]);
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if (ret) {
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dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
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__func__,
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aud_clks[MT2701_AUD_AUD_MUX1_DIV],
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ret);
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goto A1SYS_CLK_AUD_MUX1_DIV_ERR;
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}
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ret = clk_set_rate(afe_priv->clocks[MT2701_AUD_AUD_MUX1_DIV],
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MT2701_AUD_AUD_MUX1_DIV_RATE);
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if (ret) {
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dev_err(afe->dev, "%s clk_set_parent %s-%d fail %d\n", __func__,
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aud_clks[MT2701_AUD_AUD_MUX1_DIV],
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MT2701_AUD_AUD_MUX1_DIV_RATE, ret);
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goto A1SYS_CLK_AUD_MUX1_DIV_ERR;
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}
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/* Enable clock gate */
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ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUD_48K_TIMING]);
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if (ret) {
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dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
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__func__, aud_clks[MT2701_AUD_AUD_48K_TIMING], ret);
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goto A1SYS_CLK_AUD_48K_ERR;
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}
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/* Enable infra audio */
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ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]);
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if (ret) {
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dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
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__func__, aud_clks[MT2701_AUD_INFRA_SYS_AUDIO], ret);
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goto A1SYS_CLK_INFRA_ERR;
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}
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return 0;
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A1SYS_CLK_INFRA_ERR:
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clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]);
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A1SYS_CLK_AUD_48K_ERR:
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clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_48K_TIMING]);
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A1SYS_CLK_AUD_MUX1_DIV_ERR:
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clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX1_DIV]);
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A1SYS_CLK_AUD_MUX1_SEL_ERR:
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clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX1_SEL]);
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return ret;
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}
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void mt2701_turn_off_a1sys_clock(struct mtk_base_afe *afe)
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{
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struct mt2701_afe_private *afe_priv = afe->platform_priv;
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clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]);
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clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_48K_TIMING]);
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clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX1_DIV]);
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clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX1_SEL]);
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}
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int mt2701_turn_on_a2sys_clock(struct mtk_base_afe *afe)
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{
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struct mt2701_afe_private *afe_priv = afe->platform_priv;
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int ret = 0;
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/* Set Mux */
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ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUD_MUX2_SEL]);
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if (ret) {
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dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
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__func__, aud_clks[MT2701_AUD_AUD_MUX2_SEL], ret);
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goto A2SYS_CLK_AUD_MUX2_SEL_ERR;
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}
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ret = clk_set_parent(afe_priv->clocks[MT2701_AUD_AUD_MUX2_SEL],
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afe_priv->clocks[MT2701_AUD_AUD2PLL_90M]);
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if (ret) {
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dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__,
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aud_clks[MT2701_AUD_AUD_MUX2_SEL],
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aud_clks[MT2701_AUD_AUD2PLL_90M], ret);
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goto A2SYS_CLK_AUD_MUX2_SEL_ERR;
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}
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/* Set Divider */
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ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUD_MUX2_DIV]);
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if (ret) {
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dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
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__func__, aud_clks[MT2701_AUD_AUD_MUX2_DIV], ret);
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goto A2SYS_CLK_AUD_MUX2_DIV_ERR;
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}
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ret = clk_set_rate(afe_priv->clocks[MT2701_AUD_AUD_MUX2_DIV],
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MT2701_AUD_AUD_MUX2_DIV_RATE);
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if (ret) {
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dev_err(afe->dev, "%s clk_set_parent %s-%d fail %d\n", __func__,
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aud_clks[MT2701_AUD_AUD_MUX2_DIV],
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MT2701_AUD_AUD_MUX2_DIV_RATE, ret);
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goto A2SYS_CLK_AUD_MUX2_DIV_ERR;
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}
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/* Enable clock gate */
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ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUD_44K_TIMING]);
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if (ret) {
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dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
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__func__, aud_clks[MT2701_AUD_AUD_44K_TIMING], ret);
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goto A2SYS_CLK_AUD_44K_ERR;
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}
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/* Enable infra audio */
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ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]);
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if (ret) {
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dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
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__func__, aud_clks[MT2701_AUD_INFRA_SYS_AUDIO], ret);
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goto A2SYS_CLK_INFRA_ERR;
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}
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return 0;
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A2SYS_CLK_INFRA_ERR:
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clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]);
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A2SYS_CLK_AUD_44K_ERR:
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clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_44K_TIMING]);
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A2SYS_CLK_AUD_MUX2_DIV_ERR:
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clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX2_DIV]);
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A2SYS_CLK_AUD_MUX2_SEL_ERR:
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clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX2_SEL]);
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return ret;
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}
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void mt2701_turn_off_a2sys_clock(struct mtk_base_afe *afe)
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{
|
||
|
|
struct mt2701_afe_private *afe_priv = afe->platform_priv;
|
||
|
|
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]);
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_44K_TIMING]);
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX2_DIV]);
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUD_MUX2_SEL]);
|
||
|
|
}
|
||
|
|
|
||
|
|
int mt2701_turn_on_afe_clock(struct mtk_base_afe *afe)
|
||
|
|
{
|
||
|
|
struct mt2701_afe_private *afe_priv = afe->platform_priv;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
/* enable INFRA_SYS */
|
||
|
|
ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
|
||
|
|
__func__, aud_clks[MT2701_AUD_INFRA_SYS_AUDIO], ret);
|
||
|
|
goto AFE_AUD_INFRA_ERR;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Set MT2701_AUD_AUDINTBUS to MT2701_AUD_SYSPLL1_D4 */
|
||
|
|
ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_AUDINTBUS]);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
|
||
|
|
__func__, aud_clks[MT2701_AUD_AUDINTBUS], ret);
|
||
|
|
goto AFE_AUD_AUDINTBUS_ERR;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = clk_set_parent(afe_priv->clocks[MT2701_AUD_AUDINTBUS],
|
||
|
|
afe_priv->clocks[MT2701_AUD_SYSPLL1_D4]);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__,
|
||
|
|
aud_clks[MT2701_AUD_AUDINTBUS],
|
||
|
|
aud_clks[MT2701_AUD_SYSPLL1_D4], ret);
|
||
|
|
goto AFE_AUD_AUDINTBUS_ERR;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Set MT2701_AUD_ASM_H_SEL to MT2701_AUD_UNIVPLL2_D2 */
|
||
|
|
ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_ASM_H_SEL]);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
|
||
|
|
__func__, aud_clks[MT2701_AUD_ASM_H_SEL], ret);
|
||
|
|
goto AFE_AUD_ASM_H_ERR;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = clk_set_parent(afe_priv->clocks[MT2701_AUD_ASM_H_SEL],
|
||
|
|
afe_priv->clocks[MT2701_AUD_UNIVPLL2_D2]);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__,
|
||
|
|
aud_clks[MT2701_AUD_ASM_H_SEL],
|
||
|
|
aud_clks[MT2701_AUD_UNIVPLL2_D2], ret);
|
||
|
|
goto AFE_AUD_ASM_H_ERR;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Set MT2701_AUD_ASM_M_SEL to MT2701_AUD_UNIVPLL2_D4 */
|
||
|
|
ret = clk_prepare_enable(afe_priv->clocks[MT2701_AUD_ASM_M_SEL]);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
|
||
|
|
__func__, aud_clks[MT2701_AUD_ASM_M_SEL], ret);
|
||
|
|
goto AFE_AUD_ASM_M_ERR;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = clk_set_parent(afe_priv->clocks[MT2701_AUD_ASM_M_SEL],
|
||
|
|
afe_priv->clocks[MT2701_AUD_UNIVPLL2_D4]);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n", __func__,
|
||
|
|
aud_clks[MT2701_AUD_ASM_M_SEL],
|
||
|
|
aud_clks[MT2701_AUD_UNIVPLL2_D4], ret);
|
||
|
|
goto AFE_AUD_ASM_M_ERR;
|
||
|
|
}
|
||
|
|
|
||
|
|
regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
|
||
|
|
AUDIO_TOP_CON0_PDN_AFE, 0);
|
||
|
|
regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
|
||
|
|
AUDIO_TOP_CON0_PDN_APLL_CK, 0);
|
||
|
|
regmap_update_bits(afe->regmap, AUDIO_TOP_CON4,
|
||
|
|
AUDIO_TOP_CON4_PDN_A1SYS, 0);
|
||
|
|
regmap_update_bits(afe->regmap, AUDIO_TOP_CON4,
|
||
|
|
AUDIO_TOP_CON4_PDN_A2SYS, 0);
|
||
|
|
regmap_update_bits(afe->regmap, AUDIO_TOP_CON4,
|
||
|
|
AUDIO_TOP_CON4_PDN_AFE_CONN, 0);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
AFE_AUD_ASM_M_ERR:
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_ASM_M_SEL]);
|
||
|
|
AFE_AUD_ASM_H_ERR:
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_ASM_H_SEL]);
|
||
|
|
AFE_AUD_AUDINTBUS_ERR:
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUDINTBUS]);
|
||
|
|
AFE_AUD_INFRA_ERR:
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
void mt2701_turn_off_afe_clock(struct mtk_base_afe *afe)
|
||
|
|
{
|
||
|
|
struct mt2701_afe_private *afe_priv = afe->platform_priv;
|
||
|
|
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_INFRA_SYS_AUDIO]);
|
||
|
|
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_AUDINTBUS]);
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_ASM_H_SEL]);
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[MT2701_AUD_ASM_M_SEL]);
|
||
|
|
|
||
|
|
regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
|
||
|
|
AUDIO_TOP_CON0_PDN_AFE, AUDIO_TOP_CON0_PDN_AFE);
|
||
|
|
regmap_update_bits(afe->regmap, AUDIO_TOP_CON0,
|
||
|
|
AUDIO_TOP_CON0_PDN_APLL_CK,
|
||
|
|
AUDIO_TOP_CON0_PDN_APLL_CK);
|
||
|
|
regmap_update_bits(afe->regmap, AUDIO_TOP_CON4,
|
||
|
|
AUDIO_TOP_CON4_PDN_A1SYS,
|
||
|
|
AUDIO_TOP_CON4_PDN_A1SYS);
|
||
|
|
regmap_update_bits(afe->regmap, AUDIO_TOP_CON4,
|
||
|
|
AUDIO_TOP_CON4_PDN_A2SYS,
|
||
|
|
AUDIO_TOP_CON4_PDN_A2SYS);
|
||
|
|
regmap_update_bits(afe->regmap, AUDIO_TOP_CON4,
|
||
|
|
AUDIO_TOP_CON4_PDN_AFE_CONN,
|
||
|
|
AUDIO_TOP_CON4_PDN_AFE_CONN);
|
||
|
|
}
|
||
|
|
|
||
|
|
void mt2701_mclk_configuration(struct mtk_base_afe *afe, int id, int domain,
|
||
|
|
int mclk)
|
||
|
|
{
|
||
|
|
struct mt2701_afe_private *afe_priv = afe->platform_priv;
|
||
|
|
int ret;
|
||
|
|
int aud_src_div_id = MT2701_AUD_AUD_K1_SRC_DIV + id;
|
||
|
|
int aud_src_clk_id = MT2701_AUD_AUD_K1_SRC_SEL + id;
|
||
|
|
|
||
|
|
/* Set MCLK Kx_SRC_SEL(domain) */
|
||
|
|
ret = clk_prepare_enable(afe_priv->clocks[aud_src_clk_id]);
|
||
|
|
if (ret)
|
||
|
|
dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
|
||
|
|
__func__, aud_clks[aud_src_clk_id], ret);
|
||
|
|
|
||
|
|
if (domain == 0) {
|
||
|
|
ret = clk_set_parent(afe_priv->clocks[aud_src_clk_id],
|
||
|
|
afe_priv->clocks[MT2701_AUD_AUD_MUX1_SEL]);
|
||
|
|
if (ret)
|
||
|
|
dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n",
|
||
|
|
__func__, aud_clks[aud_src_clk_id],
|
||
|
|
aud_clks[MT2701_AUD_AUD_MUX1_SEL], ret);
|
||
|
|
} else {
|
||
|
|
ret = clk_set_parent(afe_priv->clocks[aud_src_clk_id],
|
||
|
|
afe_priv->clocks[MT2701_AUD_AUD_MUX2_SEL]);
|
||
|
|
if (ret)
|
||
|
|
dev_err(afe->dev, "%s clk_set_parent %s-%s fail %d\n",
|
||
|
|
__func__, aud_clks[aud_src_clk_id],
|
||
|
|
aud_clks[MT2701_AUD_AUD_MUX2_SEL], ret);
|
||
|
|
}
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[aud_src_clk_id]);
|
||
|
|
|
||
|
|
/* Set MCLK Kx_SRC_DIV(divider) */
|
||
|
|
ret = clk_prepare_enable(afe_priv->clocks[aud_src_div_id]);
|
||
|
|
if (ret)
|
||
|
|
dev_err(afe->dev, "%s clk_prepare_enable %s fail %d\n",
|
||
|
|
__func__, aud_clks[aud_src_div_id], ret);
|
||
|
|
|
||
|
|
ret = clk_set_rate(afe_priv->clocks[aud_src_div_id], mclk);
|
||
|
|
if (ret)
|
||
|
|
dev_err(afe->dev, "%s clk_set_rate %s-%d fail %d\n", __func__,
|
||
|
|
aud_clks[aud_src_div_id], mclk, ret);
|
||
|
|
clk_disable_unprepare(afe_priv->clocks[aud_src_div_id]);
|
||
|
|
}
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION("MT2701 afe clock control");
|
||
|
|
MODULE_AUTHOR("Garlic Tseng <garlic.tseng@mediatek.com>");
|
||
|
|
MODULE_LICENSE("GPL v2");
|