717 lines
18 KiB
C
717 lines
18 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* mt8195-afe-clk.c -- Mediatek 8195 afe clock ctrl
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*
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* Copyright (c) 2021 MediaTek Inc.
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* Author: Bicycle Tsai <bicycle.tsai@mediatek.com>
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* Trevor Wu <trevor.wu@mediatek.com>
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*/
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#include <linux/clk.h>
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#include "mt8195-afe-common.h"
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#include "mt8195-afe-clk.h"
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#include "mt8195-reg.h"
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#include "mt8195-audsys-clk.h"
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static const char *aud_clks[MT8195_CLK_NUM] = {
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/* xtal */
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[MT8195_CLK_XTAL_26M] = "clk26m",
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/* divider */
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[MT8195_CLK_TOP_APLL1] = "apll1_ck",
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[MT8195_CLK_TOP_APLL2] = "apll2_ck",
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[MT8195_CLK_TOP_APLL12_DIV0] = "apll12_div0",
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[MT8195_CLK_TOP_APLL12_DIV1] = "apll12_div1",
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[MT8195_CLK_TOP_APLL12_DIV2] = "apll12_div2",
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[MT8195_CLK_TOP_APLL12_DIV3] = "apll12_div3",
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[MT8195_CLK_TOP_APLL12_DIV9] = "apll12_div9",
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/* mux */
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[MT8195_CLK_TOP_A1SYS_HP_SEL] = "a1sys_hp_sel",
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[MT8195_CLK_TOP_AUD_INTBUS_SEL] = "aud_intbus_sel",
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[MT8195_CLK_TOP_AUDIO_H_SEL] = "audio_h_sel",
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[MT8195_CLK_TOP_AUDIO_LOCAL_BUS_SEL] = "audio_local_bus_sel",
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[MT8195_CLK_TOP_DPTX_M_SEL] = "dptx_m_sel",
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[MT8195_CLK_TOP_I2SO1_M_SEL] = "i2so1_m_sel",
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[MT8195_CLK_TOP_I2SO2_M_SEL] = "i2so2_m_sel",
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[MT8195_CLK_TOP_I2SI1_M_SEL] = "i2si1_m_sel",
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[MT8195_CLK_TOP_I2SI2_M_SEL] = "i2si2_m_sel",
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/* clock gate */
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[MT8195_CLK_INFRA_AO_AUDIO_26M_B] = "infra_ao_audio_26m_b",
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[MT8195_CLK_SCP_ADSP_AUDIODSP] = "scp_adsp_audiodsp",
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/* afe clock gate */
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[MT8195_CLK_AUD_AFE] = "aud_afe",
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[MT8195_CLK_AUD_APLL1_TUNER] = "aud_apll1_tuner",
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[MT8195_CLK_AUD_APLL2_TUNER] = "aud_apll2_tuner",
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[MT8195_CLK_AUD_APLL] = "aud_apll",
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[MT8195_CLK_AUD_APLL2] = "aud_apll2",
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[MT8195_CLK_AUD_DAC] = "aud_dac",
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[MT8195_CLK_AUD_ADC] = "aud_adc",
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[MT8195_CLK_AUD_DAC_HIRES] = "aud_dac_hires",
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[MT8195_CLK_AUD_A1SYS_HP] = "aud_a1sys_hp",
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[MT8195_CLK_AUD_ADC_HIRES] = "aud_adc_hires",
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[MT8195_CLK_AUD_ADDA6_ADC] = "aud_adda6_adc",
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[MT8195_CLK_AUD_ADDA6_ADC_HIRES] = "aud_adda6_adc_hires",
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[MT8195_CLK_AUD_I2SIN] = "aud_i2sin",
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[MT8195_CLK_AUD_TDM_IN] = "aud_tdm_in",
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[MT8195_CLK_AUD_I2S_OUT] = "aud_i2s_out",
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[MT8195_CLK_AUD_TDM_OUT] = "aud_tdm_out",
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[MT8195_CLK_AUD_HDMI_OUT] = "aud_hdmi_out",
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[MT8195_CLK_AUD_ASRC11] = "aud_asrc11",
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[MT8195_CLK_AUD_ASRC12] = "aud_asrc12",
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[MT8195_CLK_AUD_A1SYS] = "aud_a1sys",
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[MT8195_CLK_AUD_A2SYS] = "aud_a2sys",
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[MT8195_CLK_AUD_PCMIF] = "aud_pcmif",
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[MT8195_CLK_AUD_MEMIF_UL1] = "aud_memif_ul1",
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[MT8195_CLK_AUD_MEMIF_UL2] = "aud_memif_ul2",
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[MT8195_CLK_AUD_MEMIF_UL3] = "aud_memif_ul3",
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[MT8195_CLK_AUD_MEMIF_UL4] = "aud_memif_ul4",
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[MT8195_CLK_AUD_MEMIF_UL5] = "aud_memif_ul5",
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[MT8195_CLK_AUD_MEMIF_UL6] = "aud_memif_ul6",
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[MT8195_CLK_AUD_MEMIF_UL8] = "aud_memif_ul8",
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[MT8195_CLK_AUD_MEMIF_UL9] = "aud_memif_ul9",
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[MT8195_CLK_AUD_MEMIF_UL10] = "aud_memif_ul10",
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[MT8195_CLK_AUD_MEMIF_DL2] = "aud_memif_dl2",
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[MT8195_CLK_AUD_MEMIF_DL3] = "aud_memif_dl3",
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[MT8195_CLK_AUD_MEMIF_DL6] = "aud_memif_dl6",
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[MT8195_CLK_AUD_MEMIF_DL7] = "aud_memif_dl7",
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[MT8195_CLK_AUD_MEMIF_DL8] = "aud_memif_dl8",
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[MT8195_CLK_AUD_MEMIF_DL10] = "aud_memif_dl10",
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[MT8195_CLK_AUD_MEMIF_DL11] = "aud_memif_dl11",
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};
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struct mt8195_afe_tuner_cfg {
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unsigned int id;
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int apll_div_reg;
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unsigned int apll_div_shift;
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unsigned int apll_div_maskbit;
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unsigned int apll_div_default;
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int ref_ck_sel_reg;
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unsigned int ref_ck_sel_shift;
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unsigned int ref_ck_sel_maskbit;
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unsigned int ref_ck_sel_default;
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int tuner_en_reg;
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unsigned int tuner_en_shift;
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unsigned int tuner_en_maskbit;
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int upper_bound_reg;
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unsigned int upper_bound_shift;
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unsigned int upper_bound_maskbit;
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unsigned int upper_bound_default;
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spinlock_t ctrl_lock; /* lock for apll tuner ctrl*/
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int ref_cnt;
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};
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static struct mt8195_afe_tuner_cfg mt8195_afe_tuner_cfgs[MT8195_AUD_PLL_NUM] = {
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[MT8195_AUD_PLL1] = {
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.id = MT8195_AUD_PLL1,
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.apll_div_reg = AFE_APLL_TUNER_CFG,
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.apll_div_shift = 4,
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.apll_div_maskbit = 0xf,
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.apll_div_default = 0x7,
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.ref_ck_sel_reg = AFE_APLL_TUNER_CFG,
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.ref_ck_sel_shift = 1,
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.ref_ck_sel_maskbit = 0x3,
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.ref_ck_sel_default = 0x2,
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.tuner_en_reg = AFE_APLL_TUNER_CFG,
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.tuner_en_shift = 0,
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.tuner_en_maskbit = 0x1,
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.upper_bound_reg = AFE_APLL_TUNER_CFG,
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.upper_bound_shift = 8,
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.upper_bound_maskbit = 0xff,
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.upper_bound_default = 0x3,
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},
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[MT8195_AUD_PLL2] = {
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.id = MT8195_AUD_PLL2,
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.apll_div_reg = AFE_APLL_TUNER_CFG1,
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.apll_div_shift = 4,
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.apll_div_maskbit = 0xf,
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.apll_div_default = 0x7,
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.ref_ck_sel_reg = AFE_APLL_TUNER_CFG1,
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.ref_ck_sel_shift = 1,
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.ref_ck_sel_maskbit = 0x3,
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.ref_ck_sel_default = 0x1,
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.tuner_en_reg = AFE_APLL_TUNER_CFG1,
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.tuner_en_shift = 0,
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.tuner_en_maskbit = 0x1,
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.upper_bound_reg = AFE_APLL_TUNER_CFG1,
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.upper_bound_shift = 8,
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.upper_bound_maskbit = 0xff,
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.upper_bound_default = 0x3,
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},
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[MT8195_AUD_PLL3] = {
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.id = MT8195_AUD_PLL3,
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.apll_div_reg = AFE_EARC_APLL_TUNER_CFG,
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.apll_div_shift = 4,
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.apll_div_maskbit = 0x3f,
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.apll_div_default = 0x3,
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.ref_ck_sel_reg = AFE_EARC_APLL_TUNER_CFG,
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.ref_ck_sel_shift = 24,
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.ref_ck_sel_maskbit = 0x3,
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.ref_ck_sel_default = 0x0,
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.tuner_en_reg = AFE_EARC_APLL_TUNER_CFG,
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.tuner_en_shift = 0,
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.tuner_en_maskbit = 0x1,
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.upper_bound_reg = AFE_EARC_APLL_TUNER_CFG,
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.upper_bound_shift = 12,
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.upper_bound_maskbit = 0xff,
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.upper_bound_default = 0x4,
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},
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[MT8195_AUD_PLL4] = {
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.id = MT8195_AUD_PLL4,
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.apll_div_reg = AFE_SPDIFIN_APLL_TUNER_CFG,
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.apll_div_shift = 4,
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.apll_div_maskbit = 0x3f,
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.apll_div_default = 0x7,
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.ref_ck_sel_reg = AFE_SPDIFIN_APLL_TUNER_CFG1,
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.ref_ck_sel_shift = 8,
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.ref_ck_sel_maskbit = 0x1,
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.ref_ck_sel_default = 0,
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.tuner_en_reg = AFE_SPDIFIN_APLL_TUNER_CFG,
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.tuner_en_shift = 0,
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.tuner_en_maskbit = 0x1,
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.upper_bound_reg = AFE_SPDIFIN_APLL_TUNER_CFG,
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.upper_bound_shift = 12,
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.upper_bound_maskbit = 0xff,
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.upper_bound_default = 0x4,
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},
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[MT8195_AUD_PLL5] = {
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.id = MT8195_AUD_PLL5,
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.apll_div_reg = AFE_LINEIN_APLL_TUNER_CFG,
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.apll_div_shift = 4,
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.apll_div_maskbit = 0x3f,
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.apll_div_default = 0x3,
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.ref_ck_sel_reg = AFE_LINEIN_APLL_TUNER_CFG,
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.ref_ck_sel_shift = 24,
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.ref_ck_sel_maskbit = 0x1,
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.ref_ck_sel_default = 0,
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.tuner_en_reg = AFE_LINEIN_APLL_TUNER_CFG,
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.tuner_en_shift = 0,
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.tuner_en_maskbit = 0x1,
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.upper_bound_reg = AFE_LINEIN_APLL_TUNER_CFG,
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.upper_bound_shift = 12,
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.upper_bound_maskbit = 0xff,
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.upper_bound_default = 0x4,
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},
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};
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static struct mt8195_afe_tuner_cfg *mt8195_afe_found_apll_tuner(unsigned int id)
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{
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if (id >= MT8195_AUD_PLL_NUM)
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return NULL;
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return &mt8195_afe_tuner_cfgs[id];
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}
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static int mt8195_afe_init_apll_tuner(unsigned int id)
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{
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struct mt8195_afe_tuner_cfg *cfg = mt8195_afe_found_apll_tuner(id);
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if (!cfg)
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return -EINVAL;
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cfg->ref_cnt = 0;
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spin_lock_init(&cfg->ctrl_lock);
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return 0;
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}
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static int mt8195_afe_setup_apll_tuner(struct mtk_base_afe *afe,
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unsigned int id)
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{
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const struct mt8195_afe_tuner_cfg *cfg = mt8195_afe_found_apll_tuner(id);
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if (!cfg)
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return -EINVAL;
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regmap_update_bits(afe->regmap, cfg->apll_div_reg,
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cfg->apll_div_maskbit << cfg->apll_div_shift,
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cfg->apll_div_default << cfg->apll_div_shift);
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regmap_update_bits(afe->regmap, cfg->ref_ck_sel_reg,
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cfg->ref_ck_sel_maskbit << cfg->ref_ck_sel_shift,
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cfg->ref_ck_sel_default << cfg->ref_ck_sel_shift);
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regmap_update_bits(afe->regmap, cfg->upper_bound_reg,
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cfg->upper_bound_maskbit << cfg->upper_bound_shift,
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cfg->upper_bound_default << cfg->upper_bound_shift);
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return 0;
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}
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static int mt8195_afe_enable_tuner_clk(struct mtk_base_afe *afe,
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unsigned int id)
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{
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struct mt8195_afe_private *afe_priv = afe->platform_priv;
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switch (id) {
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case MT8195_AUD_PLL1:
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mt8195_afe_enable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_APLL]);
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mt8195_afe_enable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_APLL1_TUNER]);
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break;
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case MT8195_AUD_PLL2:
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mt8195_afe_enable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_APLL2]);
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mt8195_afe_enable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_APLL2_TUNER]);
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break;
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default:
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break;
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}
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return 0;
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}
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static int mt8195_afe_disable_tuner_clk(struct mtk_base_afe *afe,
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unsigned int id)
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{
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struct mt8195_afe_private *afe_priv = afe->platform_priv;
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switch (id) {
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case MT8195_AUD_PLL1:
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mt8195_afe_disable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_APLL1_TUNER]);
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mt8195_afe_disable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_APLL]);
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break;
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case MT8195_AUD_PLL2:
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mt8195_afe_disable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_APLL2_TUNER]);
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mt8195_afe_disable_clk(afe, afe_priv->clk[MT8195_CLK_AUD_APLL2]);
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break;
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default:
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break;
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}
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return 0;
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}
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static int mt8195_afe_enable_apll_tuner(struct mtk_base_afe *afe,
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unsigned int id)
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{
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struct mt8195_afe_tuner_cfg *cfg = mt8195_afe_found_apll_tuner(id);
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unsigned long flags;
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int ret;
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if (!cfg)
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return -EINVAL;
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ret = mt8195_afe_setup_apll_tuner(afe, id);
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if (ret)
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return ret;
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ret = mt8195_afe_enable_tuner_clk(afe, id);
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if (ret)
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return ret;
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spin_lock_irqsave(&cfg->ctrl_lock, flags);
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cfg->ref_cnt++;
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if (cfg->ref_cnt == 1)
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regmap_update_bits(afe->regmap,
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cfg->tuner_en_reg,
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cfg->tuner_en_maskbit << cfg->tuner_en_shift,
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1 << cfg->tuner_en_shift);
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spin_unlock_irqrestore(&cfg->ctrl_lock, flags);
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return 0;
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}
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static int mt8195_afe_disable_apll_tuner(struct mtk_base_afe *afe,
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unsigned int id)
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{
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struct mt8195_afe_tuner_cfg *cfg = mt8195_afe_found_apll_tuner(id);
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unsigned long flags;
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int ret;
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if (!cfg)
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return -EINVAL;
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spin_lock_irqsave(&cfg->ctrl_lock, flags);
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cfg->ref_cnt--;
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if (cfg->ref_cnt == 0)
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regmap_update_bits(afe->regmap,
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cfg->tuner_en_reg,
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cfg->tuner_en_maskbit << cfg->tuner_en_shift,
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0 << cfg->tuner_en_shift);
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else if (cfg->ref_cnt < 0)
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cfg->ref_cnt = 0;
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spin_unlock_irqrestore(&cfg->ctrl_lock, flags);
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ret = mt8195_afe_disable_tuner_clk(afe, id);
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if (ret)
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return ret;
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return 0;
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}
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int mt8195_afe_get_mclk_source_clk_id(int sel)
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{
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switch (sel) {
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case MT8195_MCK_SEL_26M:
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return MT8195_CLK_XTAL_26M;
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case MT8195_MCK_SEL_APLL1:
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return MT8195_CLK_TOP_APLL1;
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case MT8195_MCK_SEL_APLL2:
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return MT8195_CLK_TOP_APLL2;
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default:
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return -EINVAL;
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}
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}
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int mt8195_afe_get_mclk_source_rate(struct mtk_base_afe *afe, int apll)
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{
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struct mt8195_afe_private *afe_priv = afe->platform_priv;
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int clk_id = mt8195_afe_get_mclk_source_clk_id(apll);
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if (clk_id < 0) {
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dev_dbg(afe->dev, "invalid clk id\n");
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return 0;
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}
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return clk_get_rate(afe_priv->clk[clk_id]);
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}
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int mt8195_afe_get_default_mclk_source_by_rate(int rate)
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{
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return ((rate % 8000) == 0) ?
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MT8195_MCK_SEL_APLL1 : MT8195_MCK_SEL_APLL2;
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}
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int mt8195_afe_init_clock(struct mtk_base_afe *afe)
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{
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struct mt8195_afe_private *afe_priv = afe->platform_priv;
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int i, ret;
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mt8195_audsys_clk_register(afe);
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afe_priv->clk =
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devm_kcalloc(afe->dev, MT8195_CLK_NUM, sizeof(*afe_priv->clk),
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GFP_KERNEL);
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if (!afe_priv->clk)
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return -ENOMEM;
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for (i = 0; i < MT8195_CLK_NUM; i++) {
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afe_priv->clk[i] = devm_clk_get(afe->dev, aud_clks[i]);
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if (IS_ERR(afe_priv->clk[i])) {
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dev_dbg(afe->dev, "%s(), devm_clk_get %s fail, ret %ld\n",
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__func__, aud_clks[i],
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PTR_ERR(afe_priv->clk[i]));
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return PTR_ERR(afe_priv->clk[i]);
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}
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}
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/* initial tuner */
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for (i = 0; i < MT8195_AUD_PLL_NUM; i++) {
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ret = mt8195_afe_init_apll_tuner(i);
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if (ret) {
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dev_dbg(afe->dev, "%s(), init apll_tuner%d failed",
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__func__, (i + 1));
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return -EINVAL;
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}
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}
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return 0;
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}
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int mt8195_afe_enable_clk(struct mtk_base_afe *afe, struct clk *clk)
|
|
{
|
|
int ret;
|
|
|
|
if (clk) {
|
|
ret = clk_prepare_enable(clk);
|
|
if (ret) {
|
|
dev_dbg(afe->dev, "%s(), failed to enable clk\n",
|
|
__func__);
|
|
return ret;
|
|
}
|
|
} else {
|
|
dev_dbg(afe->dev, "NULL clk\n");
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt8195_afe_enable_clk);
|
|
|
|
void mt8195_afe_disable_clk(struct mtk_base_afe *afe, struct clk *clk)
|
|
{
|
|
if (clk)
|
|
clk_disable_unprepare(clk);
|
|
else
|
|
dev_dbg(afe->dev, "NULL clk\n");
|
|
}
|
|
EXPORT_SYMBOL_GPL(mt8195_afe_disable_clk);
|
|
|
|
int mt8195_afe_prepare_clk(struct mtk_base_afe *afe, struct clk *clk)
|
|
{
|
|
int ret;
|
|
|
|
if (clk) {
|
|
ret = clk_prepare(clk);
|
|
if (ret) {
|
|
dev_dbg(afe->dev, "%s(), failed to prepare clk\n",
|
|
__func__);
|
|
return ret;
|
|
}
|
|
} else {
|
|
dev_dbg(afe->dev, "NULL clk\n");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void mt8195_afe_unprepare_clk(struct mtk_base_afe *afe, struct clk *clk)
|
|
{
|
|
if (clk)
|
|
clk_unprepare(clk);
|
|
else
|
|
dev_dbg(afe->dev, "NULL clk\n");
|
|
}
|
|
|
|
int mt8195_afe_enable_clk_atomic(struct mtk_base_afe *afe, struct clk *clk)
|
|
{
|
|
int ret;
|
|
|
|
if (clk) {
|
|
ret = clk_enable(clk);
|
|
if (ret) {
|
|
dev_dbg(afe->dev, "%s(), failed to clk enable\n",
|
|
__func__);
|
|
return ret;
|
|
}
|
|
} else {
|
|
dev_dbg(afe->dev, "NULL clk\n");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void mt8195_afe_disable_clk_atomic(struct mtk_base_afe *afe, struct clk *clk)
|
|
{
|
|
if (clk)
|
|
clk_disable(clk);
|
|
else
|
|
dev_dbg(afe->dev, "NULL clk\n");
|
|
}
|
|
|
|
int mt8195_afe_set_clk_rate(struct mtk_base_afe *afe, struct clk *clk,
|
|
unsigned int rate)
|
|
{
|
|
int ret;
|
|
|
|
if (clk) {
|
|
ret = clk_set_rate(clk, rate);
|
|
if (ret) {
|
|
dev_dbg(afe->dev, "%s(), failed to set clk rate\n",
|
|
__func__);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mt8195_afe_set_clk_parent(struct mtk_base_afe *afe, struct clk *clk,
|
|
struct clk *parent)
|
|
{
|
|
int ret;
|
|
|
|
if (clk && parent) {
|
|
ret = clk_set_parent(clk, parent);
|
|
if (ret) {
|
|
dev_dbg(afe->dev, "%s(), failed to set clk parent\n",
|
|
__func__);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static unsigned int get_top_cg_reg(unsigned int cg_type)
|
|
{
|
|
switch (cg_type) {
|
|
case MT8195_TOP_CG_A1SYS_TIMING:
|
|
case MT8195_TOP_CG_A2SYS_TIMING:
|
|
case MT8195_TOP_CG_26M_TIMING:
|
|
return ASYS_TOP_CON;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static unsigned int get_top_cg_mask(unsigned int cg_type)
|
|
{
|
|
switch (cg_type) {
|
|
case MT8195_TOP_CG_A1SYS_TIMING:
|
|
return ASYS_TOP_CON_A1SYS_TIMING_ON;
|
|
case MT8195_TOP_CG_A2SYS_TIMING:
|
|
return ASYS_TOP_CON_A2SYS_TIMING_ON;
|
|
case MT8195_TOP_CG_26M_TIMING:
|
|
return ASYS_TOP_CON_26M_TIMING_ON;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static unsigned int get_top_cg_on_val(unsigned int cg_type)
|
|
{
|
|
switch (cg_type) {
|
|
case MT8195_TOP_CG_A1SYS_TIMING:
|
|
case MT8195_TOP_CG_A2SYS_TIMING:
|
|
case MT8195_TOP_CG_26M_TIMING:
|
|
return get_top_cg_mask(cg_type);
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static unsigned int get_top_cg_off_val(unsigned int cg_type)
|
|
{
|
|
switch (cg_type) {
|
|
case MT8195_TOP_CG_A1SYS_TIMING:
|
|
case MT8195_TOP_CG_A2SYS_TIMING:
|
|
case MT8195_TOP_CG_26M_TIMING:
|
|
return 0;
|
|
default:
|
|
return get_top_cg_mask(cg_type);
|
|
}
|
|
}
|
|
|
|
static int mt8195_afe_enable_top_cg(struct mtk_base_afe *afe, unsigned int cg_type)
|
|
{
|
|
unsigned int reg = get_top_cg_reg(cg_type);
|
|
unsigned int mask = get_top_cg_mask(cg_type);
|
|
unsigned int val = get_top_cg_on_val(cg_type);
|
|
|
|
regmap_update_bits(afe->regmap, reg, mask, val);
|
|
return 0;
|
|
}
|
|
|
|
static int mt8195_afe_disable_top_cg(struct mtk_base_afe *afe, unsigned int cg_type)
|
|
{
|
|
unsigned int reg = get_top_cg_reg(cg_type);
|
|
unsigned int mask = get_top_cg_mask(cg_type);
|
|
unsigned int val = get_top_cg_off_val(cg_type);
|
|
|
|
regmap_update_bits(afe->regmap, reg, mask, val);
|
|
return 0;
|
|
}
|
|
|
|
int mt8195_afe_enable_reg_rw_clk(struct mtk_base_afe *afe)
|
|
{
|
|
struct mt8195_afe_private *afe_priv = afe->platform_priv;
|
|
int i;
|
|
static const unsigned int clk_array[] = {
|
|
MT8195_CLK_SCP_ADSP_AUDIODSP, /* bus clock for infra */
|
|
MT8195_CLK_TOP_AUDIO_H_SEL, /* clock for ADSP bus */
|
|
MT8195_CLK_TOP_AUDIO_LOCAL_BUS_SEL, /* bus clock for DRAM access */
|
|
MT8195_CLK_TOP_AUD_INTBUS_SEL, /* bus clock for AFE SRAM access */
|
|
MT8195_CLK_INFRA_AO_AUDIO_26M_B, /* audio 26M clock */
|
|
MT8195_CLK_AUD_AFE, /* AFE HW master switch */
|
|
MT8195_CLK_AUD_A1SYS_HP, /* AFE HW clock*/
|
|
MT8195_CLK_AUD_A1SYS, /* AFE HW clock */
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(clk_array); i++)
|
|
mt8195_afe_enable_clk(afe, afe_priv->clk[clk_array[i]]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mt8195_afe_disable_reg_rw_clk(struct mtk_base_afe *afe)
|
|
{
|
|
struct mt8195_afe_private *afe_priv = afe->platform_priv;
|
|
int i;
|
|
static const unsigned int clk_array[] = {
|
|
MT8195_CLK_AUD_A1SYS,
|
|
MT8195_CLK_AUD_A1SYS_HP,
|
|
MT8195_CLK_AUD_AFE,
|
|
MT8195_CLK_INFRA_AO_AUDIO_26M_B,
|
|
MT8195_CLK_TOP_AUD_INTBUS_SEL,
|
|
MT8195_CLK_TOP_AUDIO_LOCAL_BUS_SEL,
|
|
MT8195_CLK_TOP_AUDIO_H_SEL,
|
|
MT8195_CLK_SCP_ADSP_AUDIODSP,
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(clk_array); i++)
|
|
mt8195_afe_disable_clk(afe, afe_priv->clk[clk_array[i]]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mt8195_afe_enable_afe_on(struct mtk_base_afe *afe)
|
|
{
|
|
regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0x1);
|
|
return 0;
|
|
}
|
|
|
|
static int mt8195_afe_disable_afe_on(struct mtk_base_afe *afe)
|
|
{
|
|
regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0x0);
|
|
return 0;
|
|
}
|
|
|
|
static int mt8195_afe_enable_timing_sys(struct mtk_base_afe *afe)
|
|
{
|
|
struct mt8195_afe_private *afe_priv = afe->platform_priv;
|
|
int i;
|
|
static const unsigned int clk_array[] = {
|
|
MT8195_CLK_AUD_A1SYS,
|
|
MT8195_CLK_AUD_A2SYS,
|
|
};
|
|
static const unsigned int cg_array[] = {
|
|
MT8195_TOP_CG_A1SYS_TIMING,
|
|
MT8195_TOP_CG_A2SYS_TIMING,
|
|
MT8195_TOP_CG_26M_TIMING,
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(clk_array); i++)
|
|
mt8195_afe_enable_clk(afe, afe_priv->clk[clk_array[i]]);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(cg_array); i++)
|
|
mt8195_afe_enable_top_cg(afe, cg_array[i]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mt8195_afe_disable_timing_sys(struct mtk_base_afe *afe)
|
|
{
|
|
struct mt8195_afe_private *afe_priv = afe->platform_priv;
|
|
int i;
|
|
static const unsigned int clk_array[] = {
|
|
MT8195_CLK_AUD_A2SYS,
|
|
MT8195_CLK_AUD_A1SYS,
|
|
};
|
|
static const unsigned int cg_array[] = {
|
|
MT8195_TOP_CG_26M_TIMING,
|
|
MT8195_TOP_CG_A2SYS_TIMING,
|
|
MT8195_TOP_CG_A1SYS_TIMING,
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(cg_array); i++)
|
|
mt8195_afe_disable_top_cg(afe, cg_array[i]);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(clk_array); i++)
|
|
mt8195_afe_disable_clk(afe, afe_priv->clk[clk_array[i]]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mt8195_afe_enable_main_clock(struct mtk_base_afe *afe)
|
|
{
|
|
mt8195_afe_enable_timing_sys(afe);
|
|
|
|
mt8195_afe_enable_afe_on(afe);
|
|
|
|
mt8195_afe_enable_apll_tuner(afe, MT8195_AUD_PLL1);
|
|
mt8195_afe_enable_apll_tuner(afe, MT8195_AUD_PLL2);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mt8195_afe_disable_main_clock(struct mtk_base_afe *afe)
|
|
{
|
|
mt8195_afe_disable_apll_tuner(afe, MT8195_AUD_PLL2);
|
|
mt8195_afe_disable_apll_tuner(afe, MT8195_AUD_PLL1);
|
|
|
|
mt8195_afe_disable_afe_on(afe);
|
|
|
|
mt8195_afe_disable_timing_sys(afe);
|
|
|
|
return 0;
|
|
}
|