xref: /kernel/linux/linux-6.6/sound/soc/sof/intel/lnl.c (revision 62306a36)
1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2//
3// Copyright(c) 2023 Intel Corporation. All rights reserved.
4
5/*
6 * Hardware interface for audio DSP on LunarLake.
7 */
8
9#include <linux/firmware.h>
10#include <sound/hda_register.h>
11#include <sound/sof/ipc4/header.h>
12#include <trace/events/sof_intel.h>
13#include "../ipc4-priv.h"
14#include "../ops.h"
15#include "hda.h"
16#include "hda-ipc.h"
17#include "../sof-audio.h"
18#include "mtl.h"
19#include <sound/hda-mlink.h>
20
21/* LunarLake ops */
22struct snd_sof_dsp_ops sof_lnl_ops;
23EXPORT_SYMBOL_NS(sof_lnl_ops, SND_SOC_SOF_INTEL_HDA_COMMON);
24
25static const struct snd_sof_debugfs_map lnl_dsp_debugfs[] = {
26	{"hda", HDA_DSP_HDA_BAR, 0, 0x4000, SOF_DEBUGFS_ACCESS_ALWAYS},
27	{"pp", HDA_DSP_PP_BAR,  0, 0x1000, SOF_DEBUGFS_ACCESS_ALWAYS},
28	{"dsp", HDA_DSP_BAR,  0, 0x10000, SOF_DEBUGFS_ACCESS_ALWAYS},
29};
30
31/* this helps allows the DSP to setup DMIC/SSP */
32static int hdac_bus_offload_dmic_ssp(struct hdac_bus *bus)
33{
34	int ret;
35
36	ret = hdac_bus_eml_enable_offload(bus, true,  AZX_REG_ML_LEPTR_ID_INTEL_SSP, true);
37	if (ret < 0)
38		return ret;
39
40	ret = hdac_bus_eml_enable_offload(bus, true,  AZX_REG_ML_LEPTR_ID_INTEL_DMIC, true);
41	if (ret < 0)
42		return ret;
43
44	return 0;
45}
46
47static int lnl_hda_dsp_probe(struct snd_sof_dev *sdev)
48{
49	int ret;
50
51	ret = hda_dsp_probe(sdev);
52	if (ret < 0)
53		return ret;
54
55	return hdac_bus_offload_dmic_ssp(sof_to_bus(sdev));
56}
57
58static int lnl_hda_dsp_resume(struct snd_sof_dev *sdev)
59{
60	int ret;
61
62	ret = hda_dsp_resume(sdev);
63	if (ret < 0)
64		return ret;
65
66	return hdac_bus_offload_dmic_ssp(sof_to_bus(sdev));
67}
68
69static int lnl_hda_dsp_runtime_resume(struct snd_sof_dev *sdev)
70{
71	int ret;
72
73	ret = hda_dsp_runtime_resume(sdev);
74	if (ret < 0)
75		return ret;
76
77	return hdac_bus_offload_dmic_ssp(sof_to_bus(sdev));
78}
79
80int sof_lnl_ops_init(struct snd_sof_dev *sdev)
81{
82	struct sof_ipc4_fw_data *ipc4_data;
83
84	/* common defaults */
85	memcpy(&sof_lnl_ops, &sof_hda_common_ops, sizeof(struct snd_sof_dsp_ops));
86
87	/* probe */
88	sof_lnl_ops.probe = lnl_hda_dsp_probe;
89
90	/* shutdown */
91	sof_lnl_ops.shutdown = hda_dsp_shutdown;
92
93	/* doorbell */
94	sof_lnl_ops.irq_thread = mtl_ipc_irq_thread;
95
96	/* ipc */
97	sof_lnl_ops.send_msg = mtl_ipc_send_msg;
98	sof_lnl_ops.get_mailbox_offset = mtl_dsp_ipc_get_mailbox_offset;
99	sof_lnl_ops.get_window_offset = mtl_dsp_ipc_get_window_offset;
100
101	/* debug */
102	sof_lnl_ops.debug_map = lnl_dsp_debugfs;
103	sof_lnl_ops.debug_map_count = ARRAY_SIZE(lnl_dsp_debugfs);
104	sof_lnl_ops.dbg_dump = mtl_dsp_dump;
105	sof_lnl_ops.ipc_dump = mtl_ipc_dump;
106
107	/* pre/post fw run */
108	sof_lnl_ops.pre_fw_run = mtl_dsp_pre_fw_run;
109	sof_lnl_ops.post_fw_run = mtl_dsp_post_fw_run;
110
111	/* parse platform specific extended manifest */
112	sof_lnl_ops.parse_platform_ext_manifest = NULL;
113
114	/* dsp core get/put */
115	/* TODO: add core_get and core_put */
116
117	/* PM */
118	sof_lnl_ops.resume			= lnl_hda_dsp_resume;
119	sof_lnl_ops.runtime_resume		= lnl_hda_dsp_runtime_resume;
120
121	sof_lnl_ops.get_stream_position = mtl_dsp_get_stream_hda_link_position;
122
123	sdev->private = devm_kzalloc(sdev->dev, sizeof(struct sof_ipc4_fw_data), GFP_KERNEL);
124	if (!sdev->private)
125		return -ENOMEM;
126
127	ipc4_data = sdev->private;
128	ipc4_data->manifest_fw_hdr_offset = SOF_MAN4_FW_HDR_OFFSET;
129
130	ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_2;
131
132	/* External library loading support */
133	ipc4_data->load_library = hda_dsp_ipc4_load_library;
134
135	/* set DAI ops */
136	hda_set_dai_drv_ops(sdev, &sof_lnl_ops);
137
138	sof_lnl_ops.set_power_state = hda_dsp_set_power_state_ipc4;
139
140	return 0;
141};
142EXPORT_SYMBOL_NS(sof_lnl_ops_init, SND_SOC_SOF_INTEL_HDA_COMMON);
143
144/* Check if an SDW IRQ occurred */
145static bool lnl_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
146{
147	struct hdac_bus *bus = sof_to_bus(sdev);
148
149	return hdac_bus_eml_check_interrupt(bus, true,  AZX_REG_ML_LEPTR_ID_SDW);
150}
151
152static void lnl_enable_sdw_irq(struct snd_sof_dev *sdev, bool enable)
153{
154	struct hdac_bus *bus = sof_to_bus(sdev);
155
156	hdac_bus_eml_enable_interrupt(bus, true,  AZX_REG_ML_LEPTR_ID_SDW, enable);
157}
158
159static int lnl_dsp_disable_interrupts(struct snd_sof_dev *sdev)
160{
161	lnl_enable_sdw_irq(sdev, false);
162	mtl_disable_ipc_interrupts(sdev);
163	return mtl_enable_interrupts(sdev, false);
164}
165
166const struct sof_intel_dsp_desc lnl_chip_info = {
167	.cores_num = 5,
168	.init_core_mask = BIT(0),
169	.host_managed_cores_mask = BIT(0),
170	.ipc_req = MTL_DSP_REG_HFIPCXIDR,
171	.ipc_req_mask = MTL_DSP_REG_HFIPCXIDR_BUSY,
172	.ipc_ack = MTL_DSP_REG_HFIPCXIDA,
173	.ipc_ack_mask = MTL_DSP_REG_HFIPCXIDA_DONE,
174	.ipc_ctl = MTL_DSP_REG_HFIPCXCTL,
175	.rom_status_reg = MTL_DSP_ROM_STS,
176	.rom_init_timeout = 300,
177	.ssp_count = MTL_SSP_COUNT,
178	.d0i3_offset = MTL_HDA_VS_D0I3C,
179	.read_sdw_lcount =  hda_sdw_check_lcount_ext,
180	.enable_sdw_irq = lnl_enable_sdw_irq,
181	.check_sdw_irq = lnl_dsp_check_sdw_irq,
182	.check_ipc_irq = mtl_dsp_check_ipc_irq,
183	.cl_init = mtl_dsp_cl_init,
184	.power_down_dsp = mtl_power_down_dsp,
185	.disable_interrupts = lnl_dsp_disable_interrupts,
186	.hw_ip_version = SOF_INTEL_ACE_2_0,
187};
188EXPORT_SYMBOL_NS(lnl_chip_info, SND_SOC_SOF_INTEL_HDA_COMMON);
189