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2024-10-16 50a212ec906f7524620675f0c57357691c26c81f 
 kernel/include/sound/soc-acpi.h
....@@ -1,4 +1,4 @@
1
-/* SPDX-License-Identifier: GPL-2.0
1
+/* SPDX-License-Identifier: GPL-2.0-only
22  *
33  * Copyright (C) 2013-15, Intel Corporation. All rights reserved.
44  */
....@@ -22,20 +22,101 @@
2222 #define SND_ACPI_I2C_ID_LEN (4 + ACPI_ID_LEN + 3 + 1)
2323 
2424 #if IS_ENABLED(CONFIG_ACPI)
25
+/* acpi match */
26
+struct snd_soc_acpi_mach *
27
+snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines);
28
+
2529 bool snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
2630 				    struct snd_soc_acpi_package_context *ctx);
31
+
32
+/* check all codecs */
33
+struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg);
34
+
2735 #else
36
+/* acpi match */
37
+static inline struct snd_soc_acpi_mach *
38
+snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines)
39
+{
40
+	return NULL;
41
+}
42
+
2843 static inline bool
2944 snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
3045 				   struct snd_soc_acpi_package_context *ctx)
3146 {
3247 	return false;
3348 }
49
+
50
+/* check all codecs */
51
+static inline struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg)
52
+{
53
+	return NULL;
54
+}
3455 #endif
3556 
36
-/* acpi match */
37
-struct snd_soc_acpi_mach *
38
-snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines);
57
+/**
58
+ * snd_soc_acpi_mach_params: interface for machine driver configuration
59
+ *
60
+ * @acpi_ipc_irq_index: used for BYT-CR detection
61
+ * @platform: string used for HDAudio codec support
62
+ * @codec_mask: used for HDAudio support
63
+ * @common_hdmi_codec_drv: use commom HDAudio HDMI codec driver
64
+ * @link_mask: links enabled on the board
65
+ * @links: array of link _ADR descriptors, null terminated
66
+ */
67
+struct snd_soc_acpi_mach_params {
68
+	u32 acpi_ipc_irq_index;
69
+	const char *platform;
70
+	u32 codec_mask;
71
+	u32 dmic_num;
72
+	bool common_hdmi_codec_drv;
73
+	u32 link_mask;
74
+	const struct snd_soc_acpi_link_adr *links;
75
+};
76
+
77
+/**
78
+ * snd_soc_acpi_endpoint - endpoint descriptor
79
+ * @num: endpoint number (mandatory, unique per device)
80
+ * @aggregated: 0 (independent) or 1 (logically grouped)
81
+ * @group_position: zero-based order (only when @aggregated is 1)
82
+ * @group_id: platform-unique group identifier (only when @aggregrated is 1)
83
+ */
84
+struct snd_soc_acpi_endpoint {
85
+	u8 num;
86
+	u8 aggregated;
87
+	u8 group_position;
88
+	u8 group_id;
89
+};
90
+
91
+/**
92
+ * snd_soc_acpi_adr_device - descriptor for _ADR-enumerated device
93
+ * @adr: 64 bit ACPI _ADR value
94
+ * @num_endpoints: number of endpoints for this device
95
+ * @endpoints: array of endpoints
96
+ * @name_prefix: string used for codec controls
97
+ */
98
+struct snd_soc_acpi_adr_device {
99
+	const u64 adr;
100
+	const u8 num_endpoints;
101
+	const struct snd_soc_acpi_endpoint *endpoints;
102
+	const char *name_prefix;
103
+};
104
+
105
+/**
106
+ * snd_soc_acpi_link_adr - ACPI-based list of _ADR enumerated devices
107
+ * @mask: one bit set indicates the link this list applies to
108
+ * @num_adr: ARRAY_SIZE of devices
109
+ * @adr_d: array of devices
110
+ *
111
+ * The number of devices per link can be more than 1, e.g. in SoundWire
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+ * multi-drop configurations.
113
+ */
114
+
115
+struct snd_soc_acpi_link_adr {
116
+	const u32 mask;
117
+	const u32 num_adr;
118
+	const struct snd_soc_acpi_adr_device *adr_d;
119
+};
39120 
40121 /**
41122  * snd_soc_acpi_mach: ACPI-based machine descriptor. Most of the fields are
....@@ -44,6 +125,8 @@
44125  * all firmware/topology related fields.
45126  *
46127  * @id: ACPI ID (usually the codec's) used to find a matching machine driver.
128
+ * @link_mask: describes required board layout, e.g. for SoundWire.
129
+ * @links: array of link _ADR descriptors, null terminated.
47130  * @drv_name: machine driver name
48131  * @fw_filename: firmware file name. Used when SOF is not enabled.
49132  * @board: board name
....@@ -55,23 +138,21 @@
55138  *  is not constant since this field may be updated at run-time
56139  * @sof_fw_filename: Sound Open Firmware file name, if enabled
57140  * @sof_tplg_filename: Sound Open Firmware topology file name, if enabled
58
- * @asoc_plat_name: ASoC platform name, used for binding machine drivers
59
- * if non NULL
60
- * @new_mach_data: machine driver private data fixup
61141  */
62142 /* Descriptor for SST ASoC machine driver */
63143 struct snd_soc_acpi_mach {
64144 	const u8 id[ACPI_ID_LEN];
145
+	const u32 link_mask;
146
+	const struct snd_soc_acpi_link_adr *links;
65147 	const char *drv_name;
66148 	const char *fw_filename;
67149 	const char *board;
68150 	struct snd_soc_acpi_mach * (*machine_quirk)(void *arg);
69151 	const void *quirk_data;
70152 	void *pdata;
153
+	struct snd_soc_acpi_mach_params mach_params;
71154 	const char *sof_fw_filename;
72155 	const char *sof_tplg_filename;
73
-	const char *asoc_plat_name;
74
-	struct platform_device * (*new_mach_data)(void *pdata);
75156 };
76157 
77158 #define SND_SOC_ACPI_MAX_CODECS 3
....@@ -89,8 +170,5 @@
89170 	int num_codecs;
90171 	u8 codecs[SND_SOC_ACPI_MAX_CODECS][ACPI_ID_LEN];
91172 };
92
-
93
-/* check all codecs */
94
-struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg);
95173 
96174 #endif