[PATCH 03/12] ASoC: mediatek: mt8188: support audsys clock

Trevor Wu
2022-09-30T14:58:01Z

Add mt8188 audio cg clock control. Audio clock gates are registered to CCF
for reference count and clock parent management.

Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
---
sound/soc/mediatek/mt8188/mt8188-audsys-clk.c | 206 ++++++++++++++++++
sound/soc/mediatek/mt8188/mt8188-audsys-clk.h | 15 ++
.../soc/mediatek/mt8188/mt8188-audsys-clkid.h | 83 +++++++
3 files changed, 304 insertions(+)
create mode 100644 sound/soc/mediatek/mt8188/mt8188-audsys-clk.c
create mode 100644 sound/soc/mediatek/mt8188/mt8188-audsys-clk.h
create mode 100644 sound/soc/mediatek/mt8188/mt8188-audsys-clkid.h

diff --git a/sound/soc/mediatek/mt8188/mt8188-audsys-clk.c b/sound/soc/mediatek/mt8188/mt8188-audsys-clk.c
new file mode 100644
index 000000000000..30a1f50b4c45
--- /dev/null
+++ b/sound/soc/mediatek/mt8188/mt8188-audsys-clk.c
@@ -0,0 +1,206 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * mt8188-audsys-clk.c -- Mediatek 8188 audsys clock control
+ *
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Chun-Chia Chiu <chun-chia.chiu@mediatek.com>
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+#include "mt8188-afe-common.h"
+#include "mt8188-audsys-clk.h"
+#include "mt8188-audsys-clkid.h"
+#include "mt8188-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_IGNORE_UNUSED, 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),
+
+ /* 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", 22),
+ GATE_AUD4(CLK_AUD_PCMIF, "aud_pcmif", "top_a1sys_hp", 24),
+ GATE_AUD4(CLK_AUD_A3SYS, "aud_a3sys", "top_a3sys", 30),
+ GATE_AUD4(CLK_AUD_A4SYS, "aud_a4sys", "top_a4sys", 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),
+};
+
+int mt8188_audsys_clk_register(struct mtk_base_afe *afe)
+{
+ struct mt8188_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);
+ cl->clk_hw = NULL;
+ clkdev_add(cl);
+
+ afe_priv->lookup[i] = cl;
+ }
+
+ return 0;
+}
+
+void mt8188_audsys_clk_unregister(struct mtk_base_afe *afe)
+{
+ struct mt8188_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);
+ }
+}
+
diff --git a/sound/soc/mediatek/mt8188/mt8188-audsys-clk.h b/sound/soc/mediatek/mt8188/mt8188-audsys-clk.h
new file mode 100644
index 000000000000..943f0f1d06e1
--- /dev/null
+++ b/sound/soc/mediatek/mt8188/mt8188-audsys-clk.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mt8188-audsys-clk.h -- Mediatek 8188 audsys clock definition
+ *
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Chun-Chia Chiu <chun-chia.chiu@mediatek.com>
+ */
+
+#ifndef _MT8188_AUDSYS_CLK_H_
+#define _MT8188_AUDSYS_CLK_H_
+
+int mt8188_audsys_clk_register(struct mtk_base_afe *afe);
+void mt8188_audsys_clk_unregister(struct mtk_base_afe *afe);
+
+#endif
diff --git a/sound/soc/mediatek/mt8188/mt8188-audsys-clkid.h b/sound/soc/mediatek/mt8188/mt8188-audsys-clkid.h
new file mode 100644
index 000000000000..aecdbd9d6d37
--- /dev/null
+++ b/sound/soc/mediatek/mt8188/mt8188-audsys-clkid.h
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mt8188-audsys-clkid.h -- Mediatek 8188 audsys clock id definition
+ *
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Chun-Chia Chiu <chun-chia.chiu@mediatek.com>
+ */
+
+#ifndef _MT8188_AUDSYS_CLKID_H_
+#define _MT8188_AUDSYS_CLKID_H_
+
+enum{
+ CLK_AUD_AFE,
+ CLK_AUD_LRCK_CNT,
+ CLK_AUD_SPDIFIN_TUNER_APLL,
+ CLK_AUD_SPDIFIN_TUNER_DBG,
+ CLK_AUD_UL_TML,
+ CLK_AUD_APLL1_TUNER,
+ CLK_AUD_APLL2_TUNER,
+ CLK_AUD_TOP0_SPDF,
+ CLK_AUD_APLL,
+ CLK_AUD_APLL2,
+ CLK_AUD_DAC,
+ CLK_AUD_DAC_PREDIS,
+ CLK_AUD_TML,
+ CLK_AUD_ADC,
+ CLK_AUD_DAC_HIRES,
+ CLK_AUD_A1SYS_HP,
+ CLK_AUD_AFE_DMIC1,
+ CLK_AUD_AFE_DMIC2,
+ CLK_AUD_AFE_DMIC3,
+ CLK_AUD_AFE_DMIC4,
+ CLK_AUD_AFE_26M_DMIC_TM,
+ CLK_AUD_UL_TML_HIRES,
+ CLK_AUD_ADC_HIRES,
+ CLK_AUD_LINEIN_TUNER,
+ CLK_AUD_EARC_TUNER,
+ CLK_AUD_I2SIN,
+ CLK_AUD_TDM_IN,
+ CLK_AUD_I2S_OUT,
+ CLK_AUD_TDM_OUT,
+ CLK_AUD_HDMI_OUT,
+ CLK_AUD_ASRC11,
+ CLK_AUD_ASRC12,
+ CLK_AUD_MULTI_IN,
+ CLK_AUD_INTDIR,
+ CLK_AUD_A1SYS,
+ CLK_AUD_A2SYS,
+ CLK_AUD_PCMIF,
+ CLK_AUD_A3SYS,
+ CLK_AUD_A4SYS,
+ CLK_AUD_MEMIF_UL1,
+ CLK_AUD_MEMIF_UL2,
+ CLK_AUD_MEMIF_UL3,
+ CLK_AUD_MEMIF_UL4,
+ CLK_AUD_MEMIF_UL5,
+ CLK_AUD_MEMIF_UL6,
+ CLK_AUD_MEMIF_UL8,
+ CLK_AUD_MEMIF_UL9,
+ CLK_AUD_MEMIF_UL10,
+ CLK_AUD_MEMIF_DL2,
+ CLK_AUD_MEMIF_DL3,
+ CLK_AUD_MEMIF_DL6,
+ CLK_AUD_MEMIF_DL7,
+ CLK_AUD_MEMIF_DL8,
+ CLK_AUD_MEMIF_DL10,
+ CLK_AUD_MEMIF_DL11,
+ CLK_AUD_GASRC0,
+ CLK_AUD_GASRC1,
+ CLK_AUD_GASRC2,
+ CLK_AUD_GASRC3,
+ CLK_AUD_GASRC4,
+ CLK_AUD_GASRC5,
+ CLK_AUD_GASRC6,
+ CLK_AUD_GASRC7,
+ CLK_AUD_GASRC8,
+ CLK_AUD_GASRC9,
+ CLK_AUD_GASRC10,
+ CLK_AUD_GASRC11,
+ CLK_AUD_NR_CLK,
+};
+
+#endif
--
2.18.0