diff options
Diffstat (limited to 'sound/soc/mediatek/mt8195/mt8195-audsys-clk.c')
| -rw-r--r-- | sound/soc/mediatek/mt8195/mt8195-audsys-clk.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt8195/mt8195-audsys-clk.c b/sound/soc/mediatek/mt8195/mt8195-audsys-clk.c new file mode 100644 index 000000000..38594bc3f --- /dev/null +++ b/sound/soc/mediatek/mt8195/mt8195-audsys-clk.c @@ -0,0 +1,215 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * mt8195-audsys-clk.h -- Mediatek 8195 audsys clock control + * + * Copyright (c) 2021 MediaTek Inc. + * Author: Trevor Wu <trevor.wu@mediatek.com> + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/clkdev.h> +#include "mt8195-afe-common.h" +#include "mt8195-audsys-clk.h" +#include "mt8195-audsys-clkid.h" +#include "mt8195-reg.h" + +struct afe_gate { + int id; + const char *name; + const char *parent_name; + int reg; + u8 bit; + const struct clk_ops *ops; + unsigned long flags; + u8 cg_flags; +}; + +#define GATE_AFE_FLAGS(_id, _name, _parent, _reg, _bit, _flags, _cgflags) {\ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .reg = _reg, \ + .bit = _bit, \ + .flags = _flags, \ + .cg_flags = _cgflags, \ + } + +#define GATE_AFE(_id, _name, _parent, _reg, _bit) \ + GATE_AFE_FLAGS(_id, _name, _parent, _reg, _bit, \ + CLK_SET_RATE_PARENT, CLK_GATE_SET_TO_DISABLE) + +#define GATE_AUD0(_id, _name, _parent, _bit) \ + GATE_AFE(_id, _name, _parent, AUDIO_TOP_CON0, _bit) + +#define GATE_AUD1(_id, _name, _parent, _bit) \ + GATE_AFE(_id, _name, _parent, AUDIO_TOP_CON1, _bit) + +#define GATE_AUD3(_id, _name, _parent, _bit) \ + GATE_AFE(_id, _name, _parent, AUDIO_TOP_CON3, _bit) + +#define GATE_AUD4(_id, _name, _parent, _bit) \ + GATE_AFE(_id, _name, _parent, AUDIO_TOP_CON4, _bit) + +#define GATE_AUD5(_id, _name, _parent, _bit) \ + GATE_AFE(_id, _name, _parent, AUDIO_TOP_CON5, _bit) + +#define GATE_AUD6(_id, _name, _parent, _bit) \ + GATE_AFE(_id, _name, _parent, AUDIO_TOP_CON6, _bit) + +static const struct afe_gate aud_clks[CLK_AUD_NR_CLK] = { + /* AUD0 */ + GATE_AUD0(CLK_AUD_AFE, "aud_afe", "top_a1sys_hp", 2), + GATE_AUD0(CLK_AUD_LRCK_CNT, "aud_lrck_cnt", "top_a1sys_hp", 4), + GATE_AUD0(CLK_AUD_SPDIFIN_TUNER_APLL, "aud_spdifin_tuner_apll", "top_apll4", 10), + GATE_AUD0(CLK_AUD_SPDIFIN_TUNER_DBG, "aud_spdifin_tuner_dbg", "top_apll4", 11), + GATE_AUD0(CLK_AUD_UL_TML, "aud_ul_tml", "top_a1sys_hp", 18), + GATE_AUD0(CLK_AUD_APLL1_TUNER, "aud_apll1_tuner", "top_apll1", 19), + GATE_AUD0(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner", "top_apll2", 20), + GATE_AUD0(CLK_AUD_TOP0_SPDF, "aud_top0_spdf", "top_aud_iec_clk", 21), + GATE_AUD0(CLK_AUD_APLL, "aud_apll", "top_apll1", 23), + GATE_AUD0(CLK_AUD_APLL2, "aud_apll2", "top_apll2", 24), + GATE_AUD0(CLK_AUD_DAC, "aud_dac", "top_a1sys_hp", 25), + GATE_AUD0(CLK_AUD_DAC_PREDIS, "aud_dac_predis", "top_a1sys_hp", 26), + GATE_AUD0(CLK_AUD_TML, "aud_tml", "top_a1sys_hp", 27), + GATE_AUD0(CLK_AUD_ADC, "aud_adc", "top_a1sys_hp", 28), + GATE_AUD0(CLK_AUD_DAC_HIRES, "aud_dac_hires", "top_audio_h", 31), + + /* AUD1 */ + GATE_AUD1(CLK_AUD_A1SYS_HP, "aud_a1sys_hp", "top_a1sys_hp", 2), + GATE_AUD1(CLK_AUD_AFE_DMIC1, "aud_afe_dmic1", "top_a1sys_hp", 10), + GATE_AUD1(CLK_AUD_AFE_DMIC2, "aud_afe_dmic2", "top_a1sys_hp", 11), + GATE_AUD1(CLK_AUD_AFE_DMIC3, "aud_afe_dmic3", "top_a1sys_hp", 12), + GATE_AUD1(CLK_AUD_AFE_DMIC4, "aud_afe_dmic4", "top_a1sys_hp", 13), + GATE_AUD1(CLK_AUD_AFE_26M_DMIC_TM, "aud_afe_26m_dmic_tm", "top_a1sys_hp", 14), + GATE_AUD1(CLK_AUD_UL_TML_HIRES, "aud_ul_tml_hires", "top_audio_h", 16), + GATE_AUD1(CLK_AUD_ADC_HIRES, "aud_adc_hires", "top_audio_h", 17), + GATE_AUD1(CLK_AUD_ADDA6_ADC, "aud_adda6_adc", "top_a1sys_hp", 18), + GATE_AUD1(CLK_AUD_ADDA6_ADC_HIRES, "aud_adda6_adc_hires", "top_audio_h", 19), + + /* AUD3 */ + GATE_AUD3(CLK_AUD_LINEIN_TUNER, "aud_linein_tuner", "top_apll5", 5), + GATE_AUD3(CLK_AUD_EARC_TUNER, "aud_earc_tuner", "top_apll3", 7), + + /* AUD4 */ + GATE_AUD4(CLK_AUD_I2SIN, "aud_i2sin", "top_a1sys_hp", 0), + GATE_AUD4(CLK_AUD_TDM_IN, "aud_tdm_in", "top_a1sys_hp", 1), + GATE_AUD4(CLK_AUD_I2S_OUT, "aud_i2s_out", "top_a1sys_hp", 6), + GATE_AUD4(CLK_AUD_TDM_OUT, "aud_tdm_out", "top_a1sys_hp", 7), + GATE_AUD4(CLK_AUD_HDMI_OUT, "aud_hdmi_out", "top_a1sys_hp", 8), + GATE_AUD4(CLK_AUD_ASRC11, "aud_asrc11", "top_a1sys_hp", 16), + GATE_AUD4(CLK_AUD_ASRC12, "aud_asrc12", "top_a1sys_hp", 17), + GATE_AUD4(CLK_AUD_MULTI_IN, "aud_multi_in", "mphone_slave_b", 19), + GATE_AUD4(CLK_AUD_INTDIR, "aud_intdir", "top_intdir", 20), + GATE_AUD4(CLK_AUD_A1SYS, "aud_a1sys", "top_a1sys_hp", 21), + GATE_AUD4(CLK_AUD_A2SYS, "aud_a2sys", "top_a2sys_hf", 22), + GATE_AUD4(CLK_AUD_PCMIF, "aud_pcmif", "top_a1sys_hp", 24), + GATE_AUD4(CLK_AUD_A3SYS, "aud_a3sys", "top_a3sys_hf", 30), + GATE_AUD4(CLK_AUD_A4SYS, "aud_a4sys", "top_a4sys_hf", 31), + + /* AUD5 */ + GATE_AUD5(CLK_AUD_MEMIF_UL1, "aud_memif_ul1", "top_a1sys_hp", 0), + GATE_AUD5(CLK_AUD_MEMIF_UL2, "aud_memif_ul2", "top_a1sys_hp", 1), + GATE_AUD5(CLK_AUD_MEMIF_UL3, "aud_memif_ul3", "top_a1sys_hp", 2), + GATE_AUD5(CLK_AUD_MEMIF_UL4, "aud_memif_ul4", "top_a1sys_hp", 3), + GATE_AUD5(CLK_AUD_MEMIF_UL5, "aud_memif_ul5", "top_a1sys_hp", 4), + GATE_AUD5(CLK_AUD_MEMIF_UL6, "aud_memif_ul6", "top_a1sys_hp", 5), + GATE_AUD5(CLK_AUD_MEMIF_UL8, "aud_memif_ul8", "top_a1sys_hp", 7), + GATE_AUD5(CLK_AUD_MEMIF_UL9, "aud_memif_ul9", "top_a1sys_hp", 8), + GATE_AUD5(CLK_AUD_MEMIF_UL10, "aud_memif_ul10", "top_a1sys_hp", 9), + GATE_AUD5(CLK_AUD_MEMIF_DL2, "aud_memif_dl2", "top_a1sys_hp", 18), + GATE_AUD5(CLK_AUD_MEMIF_DL3, "aud_memif_dl3", "top_a1sys_hp", 19), + GATE_AUD5(CLK_AUD_MEMIF_DL6, "aud_memif_dl6", "top_a1sys_hp", 22), + GATE_AUD5(CLK_AUD_MEMIF_DL7, "aud_memif_dl7", "top_a1sys_hp", 23), + GATE_AUD5(CLK_AUD_MEMIF_DL8, "aud_memif_dl8", "top_a1sys_hp", 24), + GATE_AUD5(CLK_AUD_MEMIF_DL10, "aud_memif_dl10", "top_a1sys_hp", 26), + GATE_AUD5(CLK_AUD_MEMIF_DL11, "aud_memif_dl11", "top_a1sys_hp", 27), + + /* AUD6 */ + GATE_AUD6(CLK_AUD_GASRC0, "aud_gasrc0", "top_asm_h", 0), + GATE_AUD6(CLK_AUD_GASRC1, "aud_gasrc1", "top_asm_h", 1), + GATE_AUD6(CLK_AUD_GASRC2, "aud_gasrc2", "top_asm_h", 2), + GATE_AUD6(CLK_AUD_GASRC3, "aud_gasrc3", "top_asm_h", 3), + GATE_AUD6(CLK_AUD_GASRC4, "aud_gasrc4", "top_asm_h", 4), + GATE_AUD6(CLK_AUD_GASRC5, "aud_gasrc5", "top_asm_h", 5), + GATE_AUD6(CLK_AUD_GASRC6, "aud_gasrc6", "top_asm_h", 6), + GATE_AUD6(CLK_AUD_GASRC7, "aud_gasrc7", "top_asm_h", 7), + GATE_AUD6(CLK_AUD_GASRC8, "aud_gasrc8", "top_asm_h", 8), + GATE_AUD6(CLK_AUD_GASRC9, "aud_gasrc9", "top_asm_h", 9), + GATE_AUD6(CLK_AUD_GASRC10, "aud_gasrc10", "top_asm_h", 10), + GATE_AUD6(CLK_AUD_GASRC11, "aud_gasrc11", "top_asm_h", 11), + GATE_AUD6(CLK_AUD_GASRC12, "aud_gasrc12", "top_asm_h", 12), + GATE_AUD6(CLK_AUD_GASRC13, "aud_gasrc13", "top_asm_h", 13), + GATE_AUD6(CLK_AUD_GASRC14, "aud_gasrc14", "top_asm_h", 14), + GATE_AUD6(CLK_AUD_GASRC15, "aud_gasrc15", "top_asm_h", 15), + GATE_AUD6(CLK_AUD_GASRC16, "aud_gasrc16", "top_asm_h", 16), + GATE_AUD6(CLK_AUD_GASRC17, "aud_gasrc17", "top_asm_h", 17), + GATE_AUD6(CLK_AUD_GASRC18, "aud_gasrc18", "top_asm_h", 18), + GATE_AUD6(CLK_AUD_GASRC19, "aud_gasrc19", "top_asm_h", 19), +}; + +static void mt8195_audsys_clk_unregister(void *data) +{ + struct mtk_base_afe *afe = data; + struct mt8195_afe_private *afe_priv = afe->platform_priv; + struct clk *clk; + struct clk_lookup *cl; + int i; + + if (!afe_priv) + return; + + for (i = 0; i < CLK_AUD_NR_CLK; i++) { + cl = afe_priv->lookup[i]; + if (!cl) + continue; + + clk = cl->clk; + clk_unregister_gate(clk); + + clkdev_drop(cl); + } +} + +int mt8195_audsys_clk_register(struct mtk_base_afe *afe) +{ + struct mt8195_afe_private *afe_priv = afe->platform_priv; + struct clk *clk; + struct clk_lookup *cl; + int i; + + afe_priv->lookup = devm_kcalloc(afe->dev, CLK_AUD_NR_CLK, + sizeof(*afe_priv->lookup), + GFP_KERNEL); + + if (!afe_priv->lookup) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(aud_clks); i++) { + const struct afe_gate *gate = &aud_clks[i]; + + clk = clk_register_gate(afe->dev, gate->name, gate->parent_name, + gate->flags, afe->base_addr + gate->reg, + gate->bit, gate->cg_flags, NULL); + + if (IS_ERR(clk)) { + dev_err(afe->dev, "Failed to register clk %s: %ld\n", + gate->name, PTR_ERR(clk)); + continue; + } + + /* add clk_lookup for devm_clk_get(SND_SOC_DAPM_CLOCK_SUPPLY) */ + cl = kzalloc(sizeof(*cl), GFP_KERNEL); + if (!cl) + return -ENOMEM; + + cl->clk = clk; + cl->con_id = gate->name; + cl->dev_id = dev_name(afe->dev); + clkdev_add(cl); + + afe_priv->lookup[i] = cl; + } + + return devm_add_action_or_reset(afe->dev, mt8195_audsys_clk_unregister, afe); +} |