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Fri, 15 Mar 2024 02:23:01 +0300 From: Jan Dakinevich To: Jan Dakinevich , Neil Armstrong , Jerome Brunet , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Kevin Hilman , Martin Blumenstingl , Liam Girdwood , Mark Brown , Linus Walleij , Jaroslav Kysela , Takashi Iwai , , , , , , , , CC: Subject: [PATCH 04/25] clk: meson: a1: add the audio clock controller driver Date: Fri, 15 Mar 2024 02:21:40 +0300 Message-ID: <20240314232201.2102178-5-jan.dakinevich@salutedevices.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240314232201.2102178-1-jan.dakinevich@salutedevices.com> References: <20240314232201.2102178-1-jan.dakinevich@salutedevices.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 183875 [Feb 29 2024] X-KSMG-AntiSpam-Version: 6.1.0.3 X-KSMG-AntiSpam-Envelope-From: YVDakinevich@sberdevices.ru X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 7 0.3.7 6d6bf5bd8eea7373134f756a2fd73e9456bb7d1a, {Tracking_smtp_not_equal_from}, FromAlignment: n, {Tracking_smtp_domain_mismatch}, {Tracking_smtp_domain_2level_mismatch}, {Tracking_sender_alignment_int}, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2024/02/29 19:21:00 #23899999 X-KSMG-AntiVirus-Status: Clean, skipped This controller provides clocks and reset functionality for audio peripherals on Amlogic A1 SoC family. The driver is almost identical to 'axg-audio', however it would be better to keep it separate due to following reasons: - significant amount of bits has another definition. I will bring there a mess of new defines with A1_ suffixes. - registers of this controller are located in two separate regions. It will give a lot of complications for 'axg-audio' to support this. Signed-off-by: Jan Dakinevich --- drivers/clk/meson/Kconfig | 13 + drivers/clk/meson/Makefile | 1 + drivers/clk/meson/a1-audio.c | 556 +++++++++++++++++++++++++++++++++++ drivers/clk/meson/a1-audio.h | 58 ++++ 4 files changed, 628 insertions(+) create mode 100644 drivers/clk/meson/a1-audio.c create mode 100644 drivers/clk/meson/a1-audio.h diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig index d6a2fa5f7e88..80c4a18c83d2 100644 --- a/drivers/clk/meson/Kconfig +++ b/drivers/clk/meson/Kconfig @@ -133,6 +133,19 @@ config COMMON_CLK_A1_PERIPHERALS device, A1 SoC Family. Say Y if you want A1 Peripherals clock controller to work. +config COMMON_CLK_A1_AUDIO + tristate "Amlogic A1 SoC Audio clock controller support" + depends on ARM64 + select COMMON_CLK_MESON_REGMAP + select COMMON_CLK_MESON_CLKC_UTILS + select COMMON_CLK_MESON_PHASE + select COMMON_CLK_MESON_SCLK_DIV + select COMMON_CLK_MESON_AUDIO_RSTC + help + Support for the Audio clock controller on Amlogic A113L based + device, A1 SoC Family. Say Y if you want A1 Audio clock controller + to work. + config COMMON_CLK_G12A tristate "G12 and SM1 SoC clock controllers support" depends on ARM64 diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile index 88d94921a4dc..4968fc7ad555 100644 --- a/drivers/clk/meson/Makefile +++ b/drivers/clk/meson/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_COMMON_CLK_AXG) += axg.o axg-aoclk.o obj-$(CONFIG_COMMON_CLK_AXG_AUDIO) += axg-audio.o obj-$(CONFIG_COMMON_CLK_A1_PLL) += a1-pll.o obj-$(CONFIG_COMMON_CLK_A1_PERIPHERALS) += a1-peripherals.o +obj-$(CONFIG_COMMON_CLK_A1_AUDIO) += a1-audio.o obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o obj-$(CONFIG_COMMON_CLK_G12A) += g12a.o g12a-aoclk.o obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o meson8-ddr.o diff --git a/drivers/clk/meson/a1-audio.c b/drivers/clk/meson/a1-audio.c new file mode 100644 index 000000000000..6039116c93ba --- /dev/null +++ b/drivers/clk/meson/a1-audio.c @@ -0,0 +1,556 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (c) 2024, SaluteDevices. All Rights Reserved. + * + * Author: Jan Dakinevich + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "meson-clkc-utils.h" +#include "meson-audio-rstc.h" +#include "clk-regmap.h" +#include "clk-phase.h" +#include "sclk-div.h" +#include "a1-audio.h" + +#define AUDIO_PDATA(_name) \ + ((const struct clk_parent_data[]) { { .hw = &(_name).hw } }) + +#define AUDIO_MUX(_name, _reg, _mask, _shift, _pdata) \ +static struct clk_regmap _name = { \ + .map = AUDIO_REG_MAP(_reg), \ + .data = &(struct clk_regmap_mux_data){ \ + .offset = AUDIO_REG_OFFSET(_reg), \ + .mask = (_mask), \ + .shift = (_shift), \ + }, \ + .hw.init = &(struct clk_init_data) { \ + .name = #_name, \ + .ops = &clk_regmap_mux_ops, \ + .parent_data = (_pdata), \ + .num_parents = ARRAY_SIZE(_pdata), \ + .flags = CLK_SET_RATE_PARENT, \ + }, \ +} + +#define AUDIO_DIV(_name, _reg, _shift, _width, _pdata) \ +static struct clk_regmap _name = { \ + .map = AUDIO_REG_MAP(_reg), \ + .data = &(struct clk_regmap_div_data){ \ + .offset = AUDIO_REG_OFFSET(_reg), \ + .shift = (_shift), \ + .width = (_width), \ + }, \ + .hw.init = &(struct clk_init_data) { \ + .name = #_name, \ + .ops = &clk_regmap_divider_ops, \ + .parent_data = (_pdata), \ + .num_parents = 1, \ + .flags = CLK_SET_RATE_PARENT, \ + }, \ +} + +#define AUDIO_GATE(_name, _reg, _bit, _pdata) \ +static struct clk_regmap _name = { \ + .map = AUDIO_REG_MAP(_reg), \ + .data = &(struct clk_regmap_gate_data){ \ + .offset = AUDIO_REG_OFFSET(_reg), \ + .bit_idx = (_bit), \ + }, \ + .hw.init = &(struct clk_init_data) { \ + .name = #_name, \ + .ops = &clk_regmap_gate_ops, \ + .parent_data = (_pdata), \ + .num_parents = 1, \ + .flags = CLK_SET_RATE_PARENT, \ + }, \ +} + +#define AUDIO_SCLK_DIV(_name, _reg, _div_shift, _div_width, \ + _hi_shift, _hi_width, _pdata, _set_rate_parent) \ +static struct clk_regmap _name = { \ + .map = AUDIO_REG_MAP(_reg), \ + .data = &(struct meson_sclk_div_data) { \ + .div = { \ + .reg_off = AUDIO_REG_OFFSET(_reg), \ + .shift = (_div_shift), \ + .width = (_div_width), \ + }, \ + .hi = { \ + .reg_off = AUDIO_REG_OFFSET(_reg), \ + .shift = (_hi_shift), \ + .width = (_hi_width), \ + }, \ + }, \ + .hw.init = &(struct clk_init_data) { \ + .name = #_name, \ + .ops = &meson_sclk_div_ops, \ + .parent_data = (_pdata), \ + .num_parents = 1, \ + .flags = (_set_rate_parent) ? CLK_SET_RATE_PARENT : 0, \ + }, \ +} + +#define AUDIO_TRIPHASE(_name, _reg, _width, _shift0, _shift1, _shift2, \ + _pdata) \ +static struct clk_regmap _name = { \ + .map = AUDIO_REG_MAP(_reg), \ + .data = &(struct meson_clk_triphase_data) { \ + .ph0 = { \ + .reg_off = AUDIO_REG_OFFSET(_reg), \ + .shift = (_shift0), \ + .width = (_width), \ + }, \ + .ph1 = { \ + .reg_off = AUDIO_REG_OFFSET(_reg), \ + .shift = (_shift1), \ + .width = (_width), \ + }, \ + .ph2 = { \ + .reg_off = AUDIO_REG_OFFSET(_reg), \ + .shift = (_shift2), \ + .width = (_width), \ + }, \ + }, \ + .hw.init = &(struct clk_init_data) { \ + .name = #_name, \ + .ops = &meson_clk_triphase_ops, \ + .parent_data = (_pdata), \ + .num_parents = 1, \ + .flags = CLK_SET_RATE_PARENT | CLK_DUTY_CYCLE_PARENT, \ + }, \ +} + +#define AUDIO_SCLK_WS(_name, _reg, _width, _shift_ph, _shift_ws, \ + _pdata) \ +static struct clk_regmap _name = { \ + .map = AUDIO_REG_MAP(_reg), \ + .data = &(struct meson_sclk_ws_inv_data) { \ + .ph = { \ + .reg_off = AUDIO_REG_OFFSET(_reg), \ + .shift = (_shift_ph), \ + .width = (_width), \ + }, \ + .ws = { \ + .reg_off = AUDIO_REG_OFFSET(_reg), \ + .shift = (_shift_ws), \ + .width = (_width), \ + }, \ + }, \ + .hw.init = &(struct clk_init_data) { \ + .name = #_name, \ + .ops = &meson_sclk_ws_inv_ops, \ + .parent_data = (_pdata), \ + .num_parents = 1, \ + .flags = CLK_SET_RATE_PARENT | CLK_DUTY_CYCLE_PARENT, \ + }, \ +} + +static const struct clk_parent_data a1_pclk_pdata[] = { + { .fw_name = "pclk", }, +}; + +AUDIO_GATE(audio_ddr_arb, AUDIO_CLK_GATE_EN0, 0, a1_pclk_pdata); +AUDIO_GATE(audio_tdmin_a, AUDIO_CLK_GATE_EN0, 1, a1_pclk_pdata); +AUDIO_GATE(audio_tdmin_b, AUDIO_CLK_GATE_EN0, 2, a1_pclk_pdata); +AUDIO_GATE(audio_tdmin_lb, AUDIO_CLK_GATE_EN0, 3, a1_pclk_pdata); +AUDIO_GATE(audio_loopback, AUDIO_CLK_GATE_EN0, 4, a1_pclk_pdata); +AUDIO_GATE(audio_tdmout_a, AUDIO_CLK_GATE_EN0, 5, a1_pclk_pdata); +AUDIO_GATE(audio_tdmout_b, AUDIO_CLK_GATE_EN0, 6, a1_pclk_pdata); +AUDIO_GATE(audio_frddr_a, AUDIO_CLK_GATE_EN0, 7, a1_pclk_pdata); +AUDIO_GATE(audio_frddr_b, AUDIO_CLK_GATE_EN0, 8, a1_pclk_pdata); +AUDIO_GATE(audio_toddr_a, AUDIO_CLK_GATE_EN0, 9, a1_pclk_pdata); +AUDIO_GATE(audio_toddr_b, AUDIO_CLK_GATE_EN0, 10, a1_pclk_pdata); +AUDIO_GATE(audio_spdifin, AUDIO_CLK_GATE_EN0, 11, a1_pclk_pdata); +AUDIO_GATE(audio_resample, AUDIO_CLK_GATE_EN0, 12, a1_pclk_pdata); +AUDIO_GATE(audio_eqdrc, AUDIO_CLK_GATE_EN0, 13, a1_pclk_pdata); +AUDIO_GATE(audio_audiolocker, AUDIO_CLK_GATE_EN0, 14, a1_pclk_pdata); + +AUDIO_GATE(audio2_ddr_arb, AUDIO2_CLK_GATE_EN0, 0, a1_pclk_pdata); +AUDIO_GATE(audio2_pdm, AUDIO2_CLK_GATE_EN0, 1, a1_pclk_pdata); +AUDIO_GATE(audio2_tdmin_vad, AUDIO2_CLK_GATE_EN0, 2, a1_pclk_pdata); +AUDIO_GATE(audio2_toddr_vad, AUDIO2_CLK_GATE_EN0, 3, a1_pclk_pdata); +AUDIO_GATE(audio2_vad, AUDIO2_CLK_GATE_EN0, 4, a1_pclk_pdata); +AUDIO_GATE(audio2_audiotop, AUDIO2_CLK_GATE_EN0, 7, a1_pclk_pdata); + +static const struct clk_parent_data a1_mst_pdata[] = { + { .fw_name = "dds_in" }, + { .fw_name = "fclk_div2" }, + { .fw_name = "fclk_div3" }, + { .fw_name = "hifi_pll" }, + { .fw_name = "xtal" }, +}; + +#define AUDIO_MST_MCLK(_name, _reg) \ + AUDIO_MUX(_name##_mux, (_reg), 0x7, 24, a1_mst_pdata); \ + AUDIO_DIV(_name##_div, (_reg), 0, 16, \ + AUDIO_PDATA(_name##_mux)); \ + AUDIO_GATE(_name, (_reg), 31, AUDIO_PDATA(_name##_div)) + +AUDIO_MST_MCLK(audio_mst_a_mclk, AUDIO_MCLK_A_CTRL); +AUDIO_MST_MCLK(audio_mst_b_mclk, AUDIO_MCLK_B_CTRL); +AUDIO_MST_MCLK(audio_mst_c_mclk, AUDIO_MCLK_C_CTRL); +AUDIO_MST_MCLK(audio_mst_d_mclk, AUDIO_MCLK_D_CTRL); +AUDIO_MST_MCLK(audio_spdifin_clk, AUDIO_CLK_SPDIFIN_CTRL); +AUDIO_MST_MCLK(audio_eqdrc_clk, AUDIO_CLK_EQDRC_CTRL); + +AUDIO_MUX(audio_resample_clk_mux, AUDIO_CLK_RESAMPLE_CTRL, 0xf, 24, + a1_mst_pdata); +AUDIO_DIV(audio_resample_clk_div, AUDIO_CLK_RESAMPLE_CTRL, 0, 8, + AUDIO_PDATA(audio_resample_clk_mux)); +AUDIO_GATE(audio_resample_clk, AUDIO_CLK_RESAMPLE_CTRL, 31, + AUDIO_PDATA(audio_resample_clk_div)); + +AUDIO_MUX(audio_locker_in_clk_mux, AUDIO_CLK_LOCKER_CTRL, 0xf, 8, + a1_mst_pdata); +AUDIO_DIV(audio_locker_in_clk_div, AUDIO_CLK_LOCKER_CTRL, 0, 8, + AUDIO_PDATA(audio_locker_in_clk_mux)); +AUDIO_GATE(audio_locker_in_clk, AUDIO_CLK_LOCKER_CTRL, 15, + AUDIO_PDATA(audio_locker_in_clk_div)); + +AUDIO_MUX(audio_locker_out_clk_mux, AUDIO_CLK_LOCKER_CTRL, 0xf, 24, + a1_mst_pdata); +AUDIO_DIV(audio_locker_out_clk_div, AUDIO_CLK_LOCKER_CTRL, 16, 8, + AUDIO_PDATA(audio_locker_out_clk_mux)); +AUDIO_GATE(audio_locker_out_clk, AUDIO_CLK_LOCKER_CTRL, 31, + AUDIO_PDATA(audio_locker_out_clk_div)); + +AUDIO_MST_MCLK(audio2_vad_mclk, AUDIO2_MCLK_VAD_CTRL); +AUDIO_MST_MCLK(audio2_vad_clk, AUDIO2_CLK_VAD_CTRL); +AUDIO_MST_MCLK(audio2_pdm_dclk, AUDIO2_CLK_PDMIN_CTRL0); +AUDIO_MST_MCLK(audio2_pdm_sysclk, AUDIO2_CLK_PDMIN_CTRL1); + +#define AUDIO_MST_SCLK(_name, _reg0, _reg1, _pdata) \ + AUDIO_GATE(_name##_pre_en, (_reg0), 31, (_pdata)); \ + AUDIO_SCLK_DIV(_name##_div, (_reg0), 20, 10, 0, 0, \ + AUDIO_PDATA(_name##_pre_en), true); \ + AUDIO_GATE(_name##_post_en, (_reg0), 30, \ + AUDIO_PDATA(_name##_div)); \ + AUDIO_TRIPHASE(_name, (_reg1), 1, 0, 2, 4, \ + AUDIO_PDATA(_name##_post_en)) + +#define AUDIO_MST_LRCLK(_name, _reg0, _reg1, _pdata) \ + AUDIO_SCLK_DIV(_name##_div, (_reg0), 0, 10, 10, 10, \ + (_pdata), false); \ + AUDIO_TRIPHASE(_name, (_reg1), 1, 1, 3, 5, \ + AUDIO_PDATA(_name##_div)) + +AUDIO_MST_SCLK(audio_mst_a_sclk, AUDIO_MST_A_SCLK_CTRL0, AUDIO_MST_A_SCLK_CTRL1, + AUDIO_PDATA(audio_mst_a_mclk)); +AUDIO_MST_SCLK(audio_mst_b_sclk, AUDIO_MST_B_SCLK_CTRL0, AUDIO_MST_B_SCLK_CTRL1, + AUDIO_PDATA(audio_mst_b_mclk)); +AUDIO_MST_SCLK(audio_mst_c_sclk, AUDIO_MST_C_SCLK_CTRL0, AUDIO_MST_C_SCLK_CTRL1, + AUDIO_PDATA(audio_mst_c_mclk)); +AUDIO_MST_SCLK(audio_mst_d_sclk, AUDIO_MST_D_SCLK_CTRL0, AUDIO_MST_D_SCLK_CTRL1, + AUDIO_PDATA(audio_mst_d_mclk)); + +AUDIO_MST_LRCLK(audio_mst_a_lrclk, AUDIO_MST_A_SCLK_CTRL0, AUDIO_MST_A_SCLK_CTRL1, + AUDIO_PDATA(audio_mst_a_sclk_post_en)); +AUDIO_MST_LRCLK(audio_mst_b_lrclk, AUDIO_MST_B_SCLK_CTRL0, AUDIO_MST_B_SCLK_CTRL1, + AUDIO_PDATA(audio_mst_b_sclk_post_en)); +AUDIO_MST_LRCLK(audio_mst_c_lrclk, AUDIO_MST_C_SCLK_CTRL0, AUDIO_MST_C_SCLK_CTRL1, + AUDIO_PDATA(audio_mst_c_sclk_post_en)); +AUDIO_MST_LRCLK(audio_mst_d_lrclk, AUDIO_MST_D_SCLK_CTRL0, AUDIO_MST_D_SCLK_CTRL1, + AUDIO_PDATA(audio_mst_d_sclk_post_en)); + +static const struct clk_parent_data a1_mst_sclk_pdata[] = { + { .hw = &audio_mst_a_sclk.hw }, + { .hw = &audio_mst_b_sclk.hw }, + { .hw = &audio_mst_c_sclk.hw }, + { .hw = &audio_mst_d_sclk.hw }, + { .fw_name = "slv_sclk0" }, + { .fw_name = "slv_sclk1" }, + { .fw_name = "slv_sclk2" }, + { .fw_name = "slv_sclk3" }, + { .fw_name = "slv_sclk4" }, + { .fw_name = "slv_sclk5" }, + { .fw_name = "slv_sclk6" }, + { .fw_name = "slv_sclk7" }, + { .fw_name = "slv_sclk8" }, + { .fw_name = "slv_sclk9" }, +}; + +static const struct clk_parent_data a1_mst_lrclk_pdata[] = { + { .hw = &audio_mst_a_lrclk.hw }, + { .hw = &audio_mst_b_lrclk.hw }, + { .hw = &audio_mst_c_lrclk.hw }, + { .hw = &audio_mst_d_lrclk.hw }, + { .fw_name = "slv_lrclk0" }, + { .fw_name = "slv_lrclk1" }, + { .fw_name = "slv_lrclk2" }, + { .fw_name = "slv_lrclk3" }, + { .fw_name = "slv_lrclk4" }, + { .fw_name = "slv_lrclk5" }, + { .fw_name = "slv_lrclk6" }, + { .fw_name = "slv_lrclk7" }, + { .fw_name = "slv_lrclk8" }, + { .fw_name = "slv_lrclk9" }, +}; + +#define AUDIO_TDM_SCLK(_name, _reg) \ + AUDIO_MUX(_name##_mux, (_reg), 0xf, 24, a1_mst_sclk_pdata); \ + AUDIO_GATE(_name##_pre_en, (_reg), 31, \ + AUDIO_PDATA(_name##_mux)); \ + AUDIO_GATE(_name##_post_en, (_reg), 30, \ + AUDIO_PDATA(_name##_pre_en)); \ + AUDIO_SCLK_WS(_name, (_reg), 1, 29, 28, \ + AUDIO_PDATA(_name##_post_en)) + +#define AUDIO_TDM_LRCLK(_name, _reg) \ + AUDIO_MUX(_name, (_reg), 0xf, 20, a1_mst_lrclk_pdata) + +AUDIO_TDM_SCLK(audio_tdmin_a_sclk, AUDIO_CLK_TDMIN_A_CTRL); +AUDIO_TDM_SCLK(audio_tdmin_b_sclk, AUDIO_CLK_TDMIN_B_CTRL); +AUDIO_TDM_SCLK(audio_tdmin_lb_sclk, AUDIO_CLK_TDMIN_LB_CTRL); +AUDIO_TDM_SCLK(audio_tdmout_a_sclk, AUDIO_CLK_TDMOUT_A_CTRL); +AUDIO_TDM_SCLK(audio_tdmout_b_sclk, AUDIO_CLK_TDMOUT_B_CTRL); + +AUDIO_TDM_LRCLK(audio_tdmin_a_lrclk, AUDIO_CLK_TDMIN_A_CTRL); +AUDIO_TDM_LRCLK(audio_tdmin_b_lrclk, AUDIO_CLK_TDMIN_B_CTRL); +AUDIO_TDM_LRCLK(audio_tdmin_lb_lrclk, AUDIO_CLK_TDMIN_LB_CTRL); +AUDIO_TDM_LRCLK(audio_tdmout_a_lrclk, AUDIO_CLK_TDMOUT_A_CTRL); +AUDIO_TDM_LRCLK(audio_tdmout_b_lrclk, AUDIO_CLK_TDMOUT_B_CTRL); + +static struct clk_hw *a1_audio_hw_clks[] = { + [AUD_CLKID_DDR_ARB] = &audio_ddr_arb.hw, + [AUD_CLKID_TDMIN_A] = &audio_tdmin_a.hw, + [AUD_CLKID_TDMIN_B] = &audio_tdmin_b.hw, + [AUD_CLKID_TDMIN_LB] = &audio_tdmin_lb.hw, + [AUD_CLKID_LOOPBACK] = &audio_loopback.hw, + [AUD_CLKID_TDMOUT_A] = &audio_tdmout_a.hw, + [AUD_CLKID_TDMOUT_B] = &audio_tdmout_b.hw, + [AUD_CLKID_FRDDR_A] = &audio_frddr_a.hw, + [AUD_CLKID_FRDDR_B] = &audio_frddr_b.hw, + [AUD_CLKID_TODDR_A] = &audio_toddr_a.hw, + [AUD_CLKID_TODDR_B] = &audio_toddr_b.hw, + [AUD_CLKID_SPDIFIN] = &audio_spdifin.hw, + [AUD_CLKID_RESAMPLE] = &audio_resample.hw, + [AUD_CLKID_EQDRC] = &audio_eqdrc.hw, + [AUD_CLKID_LOCKER] = &audio_audiolocker.hw, + [AUD_CLKID_MST_A_MCLK_SEL] = &audio_mst_a_mclk_mux.hw, + [AUD_CLKID_MST_A_MCLK_DIV] = &audio_mst_a_mclk_div.hw, + [AUD_CLKID_MST_A_MCLK] = &audio_mst_a_mclk.hw, + [AUD_CLKID_MST_B_MCLK_SEL] = &audio_mst_b_mclk_mux.hw, + [AUD_CLKID_MST_B_MCLK_DIV] = &audio_mst_b_mclk_div.hw, + [AUD_CLKID_MST_B_MCLK] = &audio_mst_b_mclk.hw, + [AUD_CLKID_MST_C_MCLK_SEL] = &audio_mst_c_mclk_mux.hw, + [AUD_CLKID_MST_C_MCLK_DIV] = &audio_mst_c_mclk_div.hw, + [AUD_CLKID_MST_C_MCLK] = &audio_mst_c_mclk.hw, + [AUD_CLKID_MST_D_MCLK_SEL] = &audio_mst_d_mclk_mux.hw, + [AUD_CLKID_MST_D_MCLK_DIV] = &audio_mst_d_mclk_div.hw, + [AUD_CLKID_MST_D_MCLK] = &audio_mst_d_mclk.hw, + [AUD_CLKID_RESAMPLE_CLK_SEL] = &audio_resample_clk_mux.hw, + [AUD_CLKID_RESAMPLE_CLK_DIV] = &audio_resample_clk_div.hw, + [AUD_CLKID_RESAMPLE_CLK] = &audio_resample_clk.hw, + [AUD_CLKID_LOCKER_IN_CLK_SEL] = &audio_locker_in_clk_mux.hw, + [AUD_CLKID_LOCKER_IN_CLK_DIV] = &audio_locker_in_clk_div.hw, + [AUD_CLKID_LOCKER_IN_CLK] = &audio_locker_in_clk.hw, + [AUD_CLKID_LOCKER_OUT_CLK_SEL] = &audio_locker_out_clk_mux.hw, + [AUD_CLKID_LOCKER_OUT_CLK_DIV] = &audio_locker_out_clk_div.hw, + [AUD_CLKID_LOCKER_OUT_CLK] = &audio_locker_out_clk.hw, + [AUD_CLKID_SPDIFIN_CLK_SEL] = &audio_spdifin_clk_mux.hw, + [AUD_CLKID_SPDIFIN_CLK_DIV] = &audio_spdifin_clk_div.hw, + [AUD_CLKID_SPDIFIN_CLK] = &audio_spdifin_clk.hw, + [AUD_CLKID_EQDRC_CLK_SEL] = &audio_eqdrc_clk_mux.hw, + [AUD_CLKID_EQDRC_CLK_DIV] = &audio_eqdrc_clk_div.hw, + [AUD_CLKID_EQDRC_CLK] = &audio_eqdrc_clk.hw, + [AUD_CLKID_MST_A_SCLK_PRE_EN] = &audio_mst_a_sclk_pre_en.hw, + [AUD_CLKID_MST_A_SCLK_DIV] = &audio_mst_a_sclk_div.hw, + [AUD_CLKID_MST_A_SCLK_POST_EN] = &audio_mst_a_sclk_post_en.hw, + [AUD_CLKID_MST_A_SCLK] = &audio_mst_a_sclk.hw, + [AUD_CLKID_MST_B_SCLK_PRE_EN] = &audio_mst_b_sclk_pre_en.hw, + [AUD_CLKID_MST_B_SCLK_DIV] = &audio_mst_b_sclk_div.hw, + [AUD_CLKID_MST_B_SCLK_POST_EN] = &audio_mst_b_sclk_post_en.hw, + [AUD_CLKID_MST_B_SCLK] = &audio_mst_b_sclk.hw, + [AUD_CLKID_MST_C_SCLK_PRE_EN] = &audio_mst_c_sclk_pre_en.hw, + [AUD_CLKID_MST_C_SCLK_DIV] = &audio_mst_c_sclk_div.hw, + [AUD_CLKID_MST_C_SCLK_POST_EN] = &audio_mst_c_sclk_post_en.hw, + [AUD_CLKID_MST_C_SCLK] = &audio_mst_c_sclk.hw, + [AUD_CLKID_MST_D_SCLK_PRE_EN] = &audio_mst_d_sclk_pre_en.hw, + [AUD_CLKID_MST_D_SCLK_DIV] = &audio_mst_d_sclk_div.hw, + [AUD_CLKID_MST_D_SCLK_POST_EN] = &audio_mst_d_sclk_post_en.hw, + [AUD_CLKID_MST_D_SCLK] = &audio_mst_d_sclk.hw, + [AUD_CLKID_MST_A_LRCLK_DIV] = &audio_mst_a_lrclk_div.hw, + [AUD_CLKID_MST_A_LRCLK] = &audio_mst_a_lrclk.hw, + [AUD_CLKID_MST_B_LRCLK_DIV] = &audio_mst_b_lrclk_div.hw, + [AUD_CLKID_MST_B_LRCLK] = &audio_mst_b_lrclk.hw, + [AUD_CLKID_MST_C_LRCLK_DIV] = &audio_mst_c_lrclk_div.hw, + [AUD_CLKID_MST_C_LRCLK] = &audio_mst_c_lrclk.hw, + [AUD_CLKID_MST_D_LRCLK_DIV] = &audio_mst_d_lrclk_div.hw, + [AUD_CLKID_MST_D_LRCLK] = &audio_mst_d_lrclk.hw, + [AUD_CLKID_TDMIN_A_SCLK_SEL] = &audio_tdmin_a_sclk_mux.hw, + [AUD_CLKID_TDMIN_A_SCLK_PRE_EN] = &audio_tdmin_a_sclk_pre_en.hw, + [AUD_CLKID_TDMIN_A_SCLK_POST_EN] = &audio_tdmin_a_sclk_post_en.hw, + [AUD_CLKID_TDMIN_A_SCLK] = &audio_tdmin_a_sclk.hw, + [AUD_CLKID_TDMIN_A_LRCLK] = &audio_tdmin_a_lrclk.hw, + [AUD_CLKID_TDMIN_B_SCLK_SEL] = &audio_tdmin_b_sclk_mux.hw, + [AUD_CLKID_TDMIN_B_SCLK_PRE_EN] = &audio_tdmin_b_sclk_pre_en.hw, + [AUD_CLKID_TDMIN_B_SCLK_POST_EN] = &audio_tdmin_b_sclk_post_en.hw, + [AUD_CLKID_TDMIN_B_SCLK] = &audio_tdmin_b_sclk.hw, + [AUD_CLKID_TDMIN_B_LRCLK] = &audio_tdmin_b_lrclk.hw, + [AUD_CLKID_TDMIN_LB_SCLK_SEL] = &audio_tdmin_lb_sclk_mux.hw, + [AUD_CLKID_TDMIN_LB_SCLK_PRE_EN] = &audio_tdmin_lb_sclk_pre_en.hw, + [AUD_CLKID_TDMIN_LB_SCLK_POST_EN] = &audio_tdmin_lb_sclk_post_en.hw, + [AUD_CLKID_TDMIN_LB_SCLK] = &audio_tdmin_lb_sclk.hw, + [AUD_CLKID_TDMIN_LB_LRCLK] = &audio_tdmin_lb_lrclk.hw, + [AUD_CLKID_TDMOUT_A_SCLK_SEL] = &audio_tdmout_a_sclk_mux.hw, + [AUD_CLKID_TDMOUT_A_SCLK_PRE_EN] = &audio_tdmout_a_sclk_pre_en.hw, + [AUD_CLKID_TDMOUT_A_SCLK_POST_EN] = &audio_tdmout_a_sclk_post_en.hw, + [AUD_CLKID_TDMOUT_A_SCLK] = &audio_tdmout_a_sclk.hw, + [AUD_CLKID_TDMOUT_A_LRCLK] = &audio_tdmout_a_lrclk.hw, + [AUD_CLKID_TDMOUT_B_SCLK_SEL] = &audio_tdmout_b_sclk_mux.hw, + [AUD_CLKID_TDMOUT_B_SCLK_PRE_EN] = &audio_tdmout_b_sclk_pre_en.hw, + [AUD_CLKID_TDMOUT_B_SCLK_POST_EN] = &audio_tdmout_b_sclk_post_en.hw, + [AUD_CLKID_TDMOUT_B_SCLK] = &audio_tdmout_b_sclk.hw, + [AUD_CLKID_TDMOUT_B_LRCLK] = &audio_tdmout_b_lrclk.hw, + + [AUD2_CLKID_DDR_ARB] = &audio2_ddr_arb.hw, + [AUD2_CLKID_PDM] = &audio2_pdm.hw, + [AUD2_CLKID_TDMIN_VAD] = &audio2_tdmin_vad.hw, + [AUD2_CLKID_TODDR_VAD] = &audio2_toddr_vad.hw, + [AUD2_CLKID_VAD] = &audio2_vad.hw, + [AUD2_CLKID_AUDIOTOP] = &audio2_audiotop.hw, + [AUD2_CLKID_VAD_MCLK_SEL] = &audio2_vad_mclk_mux.hw, + [AUD2_CLKID_VAD_MCLK_DIV] = &audio2_vad_mclk_div.hw, + [AUD2_CLKID_VAD_MCLK] = &audio2_vad_mclk.hw, + [AUD2_CLKID_VAD_CLK_SEL] = &audio2_vad_clk_mux.hw, + [AUD2_CLKID_VAD_CLK_DIV] = &audio2_vad_clk_div.hw, + [AUD2_CLKID_VAD_CLK] = &audio2_vad_clk.hw, + [AUD2_CLKID_PDM_DCLK_SEL] = &audio2_pdm_dclk_mux.hw, + [AUD2_CLKID_PDM_DCLK_DIV] = &audio2_pdm_dclk_div.hw, + [AUD2_CLKID_PDM_DCLK] = &audio2_pdm_dclk.hw, + [AUD2_CLKID_PDM_SYSCLK_SEL] = &audio2_pdm_sysclk_mux.hw, + [AUD2_CLKID_PDM_SYSCLK_DIV] = &audio2_pdm_sysclk_div.hw, + [AUD2_CLKID_PDM_SYSCLK] = &audio2_pdm_sysclk.hw, +}; + +static struct meson_clk_hw_data a1_audio_clks = { + .hws = a1_audio_hw_clks, + .num = ARRAY_SIZE(a1_audio_hw_clks), +}; + +static struct regmap *a1_audio_map(struct platform_device *pdev, + unsigned int index) +{ + char name[32]; + const struct regmap_config cfg = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, + .name = name, + }; + void __iomem *base; + + base = devm_platform_ioremap_resource(pdev, index); + if (IS_ERR(base)) + return base; + + scnprintf(name, sizeof(name), "%d", index); + return devm_regmap_init_mmio(&pdev->dev, base, &cfg); +} + +static int a1_register_clk(struct platform_device *pdev, + struct regmap *map0, struct regmap *map1, + struct clk_hw *hw) +{ + struct clk_regmap *clk = container_of(hw, struct clk_regmap, hw); + + if (!hw) + return 0; + + switch ((unsigned long)clk->map) { + case AUDIO_RANGE_0: + clk->map = map0; + break; + case AUDIO_RANGE_1: + clk->map = map1; + break; + default: + WARN_ON(1); + return -EINVAL; + } + + return devm_clk_hw_register(&pdev->dev, hw); +} + +static int a1_audio_clkc_probe(struct platform_device *pdev) +{ + struct regmap *map0, *map1; + struct clk *clk; + unsigned int i; + int ret; + + clk = devm_clk_get_enabled(&pdev->dev, "pclk"); + if (WARN_ON(IS_ERR(clk))) + return PTR_ERR(clk); + + map0 = a1_audio_map(pdev, 0); + if (IS_ERR(map0)) + return PTR_ERR(map0); + + map1 = a1_audio_map(pdev, 1); + if (IS_ERR(map1)) + return PTR_ERR(map1); + + /* + * Register and enable AUD2_CLKID_AUDIOTOP clock first. Unless + * it is enabled any read/write to 'map0' hangs the CPU. + */ + + ret = a1_register_clk(pdev, map0, map1, + a1_audio_clks.hws[AUD2_CLKID_AUDIOTOP]); + if (ret) + return ret; + + ret = clk_prepare_enable(a1_audio_clks.hws[AUD2_CLKID_AUDIOTOP]->clk); + if (ret) + return ret; + + for (i = 0; i < a1_audio_clks.num; i++) { + if (i == AUD2_CLKID_AUDIOTOP) + continue; + + ret = a1_register_clk(pdev, map0, map1, a1_audio_clks.hws[i]); + if (ret) + return ret; + } + + ret = devm_of_clk_add_hw_provider(&pdev->dev, meson_clk_hw_get, + &a1_audio_clks); + if (ret) + return ret; + + BUILD_BUG_ON((unsigned long)AUDIO_REG_MAP(AUDIO_SW_RESET0) != + AUDIO_RANGE_0); + return meson_audio_rstc_register(&pdev->dev, map0, + AUDIO_REG_OFFSET(AUDIO_SW_RESET0), 32); +} + +static const struct of_device_id a1_audio_clkc_match_table[] = { + { .compatible = "amlogic,a1-audio-clkc", }, + {} +}; +MODULE_DEVICE_TABLE(of, a1_audio_clkc_match_table); + +static struct platform_driver a1_audio_clkc_driver = { + .probe = a1_audio_clkc_probe, + .driver = { + .name = "a1-audio-clkc", + .of_match_table = a1_audio_clkc_match_table, + }, +}; +module_platform_driver(a1_audio_clkc_driver); + +MODULE_DESCRIPTION("Amlogic A1 Audio Clock driver"); +MODULE_AUTHOR("Jan Dakinevich "); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/meson/a1-audio.h b/drivers/clk/meson/a1-audio.h new file mode 100644 index 000000000000..f994e87276cd --- /dev/null +++ b/drivers/clk/meson/a1-audio.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +/* + * Copyright (c) 2024, SaluteDevices. All Rights Reserved. + * + * Author: Jan Dakinevich + */ + +#ifndef __A1_AUDIO_H +#define __A1_AUDIO_H + +#define AUDIO_RANGE_0 0xa +#define AUDIO_RANGE_1 0xb +#define AUDIO_RANGE_SHIFT 16 + +#define AUDIO_REG(_range, _offset) \ + (((_range) << AUDIO_RANGE_SHIFT) + (_offset)) + +#define AUDIO_REG_OFFSET(_reg) \ + ((_reg) & ((1 << AUDIO_RANGE_SHIFT) - 1)) + +#define AUDIO_REG_MAP(_reg) \ + ((void *)((_reg) >> AUDIO_RANGE_SHIFT)) + +#define AUDIO_CLK_GATE_EN0 AUDIO_REG(AUDIO_RANGE_0, 0x000) +#define AUDIO_MCLK_A_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x008) +#define AUDIO_MCLK_B_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x00c) +#define AUDIO_MCLK_C_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x010) +#define AUDIO_MCLK_D_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x014) +#define AUDIO_MCLK_E_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x018) +#define AUDIO_MCLK_F_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x01c) +#define AUDIO_SW_RESET0 AUDIO_REG(AUDIO_RANGE_0, 0x028) +#define AUDIO_MST_A_SCLK_CTRL0 AUDIO_REG(AUDIO_RANGE_0, 0x040) +#define AUDIO_MST_A_SCLK_CTRL1 AUDIO_REG(AUDIO_RANGE_0, 0x044) +#define AUDIO_MST_B_SCLK_CTRL0 AUDIO_REG(AUDIO_RANGE_0, 0x048) +#define AUDIO_MST_B_SCLK_CTRL1 AUDIO_REG(AUDIO_RANGE_0, 0x04c) +#define AUDIO_MST_C_SCLK_CTRL0 AUDIO_REG(AUDIO_RANGE_0, 0x050) +#define AUDIO_MST_C_SCLK_CTRL1 AUDIO_REG(AUDIO_RANGE_0, 0x054) +#define AUDIO_MST_D_SCLK_CTRL0 AUDIO_REG(AUDIO_RANGE_0, 0x058) +#define AUDIO_MST_D_SCLK_CTRL1 AUDIO_REG(AUDIO_RANGE_0, 0x05c) +#define AUDIO_CLK_TDMIN_A_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x080) +#define AUDIO_CLK_TDMIN_B_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x084) +#define AUDIO_CLK_TDMIN_LB_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x08c) +#define AUDIO_CLK_TDMOUT_A_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x090) +#define AUDIO_CLK_TDMOUT_B_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x094) +#define AUDIO_CLK_SPDIFIN_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x09c) +#define AUDIO_CLK_RESAMPLE_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x0a4) +#define AUDIO_CLK_LOCKER_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x0a8) +#define AUDIO_CLK_EQDRC_CTRL AUDIO_REG(AUDIO_RANGE_0, 0x0c0) + +#define AUDIO2_CLK_GATE_EN0 AUDIO_REG(AUDIO_RANGE_1, 0x00c) +#define AUDIO2_MCLK_VAD_CTRL AUDIO_REG(AUDIO_RANGE_1, 0x040) +#define AUDIO2_CLK_VAD_CTRL AUDIO_REG(AUDIO_RANGE_1, 0x044) +#define AUDIO2_CLK_PDMIN_CTRL0 AUDIO_REG(AUDIO_RANGE_1, 0x058) +#define AUDIO2_CLK_PDMIN_CTRL1 AUDIO_REG(AUDIO_RANGE_1, 0x05c) + +#include + +#endif /* __A1_AUDIO_H */ -- 2.34.1