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driver: ssp: update Intel SSP DAI driver to support dynamic SSP manag…
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…ement

This commit refactors the Intel SSP DAI driver to support dynamic
management of SSP IP. This change additionally separates the management
of the DAI part from the management part of the SSP IP.

Key changes:
- Add new static functions to manage SSP IP power.
- Update the DAI SSP configuration functions to use the new management
  approach.
- Update device tree bindings and instances to reflect the new SSP IP
  management mechanism.

Signed-off-by: Damian Nikodem <damian.nikodem@intel.com>
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@dnikodem
dnikodem committed Apr 22, 2024
1 parent 45205f8 commit fb0a689
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Showing 9 changed files with 550 additions and 333 deletions.
662 changes: 381 additions & 281 deletions drivers/dai/intel/ssp/ssp.c
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15 changes: 10 additions & 5 deletions drivers/dai/intel/ssp/ssp.h
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Original file line number Diff line number Diff line change
Expand Up @@ -316,6 +316,10 @@ struct dai_intel_ssp_plat_fifo_data {
};

struct dai_intel_ssp_plat_data {
uint32_t ssp_index;
int acquire_count;
bool is_initialized;
bool is_power_en;
uint32_t base;
uint32_t ip_base;
uint32_t shim_base;
Expand All @@ -330,24 +334,25 @@ struct dai_intel_ssp_plat_data {
struct dai_intel_ssp_mn *mn_inst;
struct dai_intel_ssp_freq_table *ftable;
uint32_t *fsources;
uint32_t clk_active;
struct dai_intel_ipc3_ssp_params params;
};

struct dai_intel_ssp_pdata {
uint32_t sscr0;
uint32_t sscr1;
uint32_t psp;
uint32_t state[2];
uint32_t clk_active;
struct dai_config config;
struct dai_properties props;
struct dai_intel_ipc3_ssp_params params;
};

struct dai_intel_ssp {
uint32_t index; /**< index */
uint32_t dai_index;
uint32_t ssp_index;
uint32_t state[2];
struct k_spinlock lock; /**< locking mechanism */
int sref; /**< simple ref counter, guarded by lock */
struct dai_intel_ssp_plat_data plat_data;
struct dai_intel_ssp_plat_data *ssp_plat_data;
void *priv_data;
};

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20 changes: 2 additions & 18 deletions dts/bindings/i2s/intel,ssp-dai.yaml
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Original file line number Diff line number Diff line change
@@ -1,8 +1,7 @@
# Copyright (c) 2022 Intel Corporation
#
# Copyright (c) 2024 Intel Corporation
# SPDX-License-Identifier: Apache-2.0

description: Intel SSP DAI controller
description: Intel SSP DAI node

compatible: "intel,ssp-dai"

Expand All @@ -11,18 +10,3 @@ include: base.yaml
properties:
reg:
required: true

interrupts:
required: true

interrupt-parent:
required: true

dmas:
required: true

dma-names:
required: true

i2svss:
type: array
32 changes: 32 additions & 0 deletions dts/bindings/i2s/intel,ssp.yaml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,32 @@
# Copyright (c) 2024 Intel Corporation
#
# SPDX-License-Identifier: Apache-2.0

description: Intel SSP DAI controller

compatible: "intel,ssp"

include: base.yaml

properties:
reg:
required: true

interrupts:
required: true

interrupt-parent:
required: true

dmas:
required: true

dma-names:
required: true

i2svss:
type: array

ssp-index:
type: int
required: true
35 changes: 28 additions & 7 deletions dts/xtensa/intel/intel_adsp_ace15_mtpm.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -243,10 +243,15 @@
status = "okay";
};

sspbase: ssp_base@28800 {
compatible = "intel,ssp-sspbase";
reg = <0x28800 0x1000>;
};

ssp0: ssp@28000 {
compatible = "intel,ssp-dai";
#address-cells = <1>;
#size-cells = <0>;
compatible = "intel,ssp";
reg = <0x00028000 0x1000
0x00079C00 0x200>;
interrupts = <0x00 0 0>;
Expand All @@ -255,16 +260,18 @@
&lpgpdma0 3>;
dma-names = "tx", "rx";
power-domain = <&io0_domain>;
ssp-index = <0>;
status = "okay";
};

sspbase: ssp_base@28800 {
compatible = "intel,ssp-sspbase";
reg = <0x28800 0x1000>;
ssp00: ssp@0 {
compatible = "intel,ssp-dai";
status = "okay";
reg = <0x0>;
};
};

ssp1: ssp@29000 {
compatible = "intel,ssp-dai";
compatible = "intel,ssp";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x00029000 0x1000
Expand All @@ -275,11 +282,18 @@
&lpgpdma0 5>;
dma-names = "tx", "rx";
power-domain = <&io0_domain>;
ssp-index = <1>;
status = "okay";

ssp10: ssp@10 {
compatible = "intel,ssp-dai";
status = "okay";
reg = <0x10>;
};
};

ssp2: ssp@2a000 {
compatible = "intel,ssp-dai";
compatible = "intel,ssp";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x0002a000 0x1000
Expand All @@ -290,7 +304,14 @@
&lpgpdma0 7>;
dma-names = "tx", "rx";
power-domain = <&io0_domain>;
ssp-index = <2>;
status = "okay";

ssp20: ssp@20 {
compatible = "intel,ssp-dai";
status = "okay";
reg = <0x20>;
};
};

mem_window0: mem_window@70200 {
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27 changes: 24 additions & 3 deletions dts/xtensa/intel/intel_adsp_ace20_lnl.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -178,7 +178,7 @@
};

ssp0: ssp@28100 {
compatible = "intel,ssp-dai";
compatible = "intel,ssp";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x00028100 0x1000
Expand All @@ -190,11 +190,18 @@
&hda_link_in 1>;
dma-names = "tx", "rx";
power-domain = <&io0_domain>;
ssp-index = <0>;
status = "okay";

ssp00: ssp@0 {
compatible = "intel,ssp-dai";
status = "okay";
reg = <0x0>;
};
};

ssp1: ssp@29100 {
compatible = "intel,ssp-dai";
compatible = "intel,ssp";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x00029100 0x1000
Expand All @@ -206,11 +213,18 @@
&hda_link_in 2>;
dma-names = "tx", "rx";
power-domain = <&io0_domain>;
ssp-index = <1>;
status = "okay";

ssp10: ssp@10 {
compatible = "intel,ssp-dai";
status = "okay";
reg = <0x10>;
};
};

ssp2: ssp@2a100 {
compatible = "intel,ssp-dai";
compatible = "intel,ssp";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x0002a100 0x1000
Expand All @@ -222,7 +236,14 @@
&hda_link_in 3>;
dma-names = "tx", "rx";
power-domain = <&io0_domain>;
ssp-index = <2>;
status = "okay";

ssp20: ssp@20 {
compatible = "intel,ssp-dai";
status = "okay";
reg = <0x20>;
};
};

mem_window0: mem_window@70200 {
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60 changes: 48 additions & 12 deletions dts/xtensa/intel/intel_adsp_cavs25.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -217,7 +217,7 @@
};

ssp0: ssp@77000 {
compatible = "intel,ssp-dai";
compatible = "intel,ssp";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x00077000 0x200
Expand All @@ -227,12 +227,18 @@
dmas = <&lpgpdma0 2
&lpgpdma0 3>;
dma-names = "tx", "rx";

ssp-index = <0>;
status = "okay";

ssp00: ssp@0 {
compatible = "intel,ssp-dai";
reg = <0x0>;
status = "okay";
};
};

ssp1: ssp@77200 {
compatible = "intel,ssp-dai";
compatible = "intel,ssp";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x00077200 0x200
Expand All @@ -242,12 +248,18 @@
dmas = <&lpgpdma0 4
&lpgpdma0 5>;
dma-names = "tx", "rx";

ssp-index = <1>;
status = "okay";

ssp10: ssp@10 {
compatible = "intel,ssp-dai";
reg = <0x10>;
status = "okay";
};
};

ssp2: ssp@77400 {
compatible = "intel,ssp-dai";
compatible = "intel,ssp";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x00077400 0x200
Expand All @@ -257,12 +269,18 @@
dmas = <&lpgpdma0 6
&lpgpdma0 7>;
dma-names = "tx", "rx";

ssp-index = <2>;
status = "okay";

ssp20: ssp@20 {
compatible = "intel,ssp-dai";
reg = <0x20>;
status = "okay";
};
};

ssp3: ssp@77600 {
compatible = "intel,ssp-dai";
compatible = "intel,ssp";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x00077600 0x200
Expand All @@ -272,12 +290,18 @@
dmas = <&lpgpdma0 8
&lpgpdma0 9>;
dma-names = "tx", "rx";

ssp-index = <3>;
status = "okay";

ssp30: ssp@30 {
compatible = "intel,ssp-dai";
reg = <0x30>;
status = "okay";
};
};

ssp4: ssp@77800 {
compatible = "intel,ssp-dai";
compatible = "intel,ssp";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x00077800 0x200
Expand All @@ -287,12 +311,18 @@
dmas = <&lpgpdma0 10
&lpgpdma0 11>;
dma-names = "tx", "rx";

ssp-index = <4>;
status = "okay";

ssp40: ssp@40 {
compatible = "intel,ssp-dai";
reg = <0x40>;
status = "okay";
};
};

ssp5: ssp@77a00 {
compatible = "intel,ssp-dai";
compatible = "intel,ssp";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x00077A00 0x200
Expand All @@ -302,8 +332,14 @@
dmas = <&lpgpdma0 12
&lpgpdma0 13>;
dma-names = "tx", "rx";

ssp-index = <5>;
status = "okay";

ssp50: ssp@50 {
compatible = "intel,ssp-dai";
reg = <0x50>;
status = "okay";
};
};

/*
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