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 */ 22 struct snd_sof_dsp_ops sof_lnl_ops; 23 EXPORT_SYMBOL_NS(sof_lnl_ops, SND_SOC_SOF_INTEL_HDA_COMMON); 24 25 static 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 */ 32 static 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 47 static 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 58 static 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 69 static 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 80 int 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 }; 142 EXPORT_SYMBOL_NS(sof_lnl_ops_init, SND_SOC_SOF_INTEL_HDA_COMMON); 143 144 /* Check if an SDW IRQ occurred */ 145 static 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 } 151 152 static 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 } 158 159 static 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 } 165 166 const 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 }; 188 EXPORT_SYMBOL_NS(lnl_chip_info, SND_SOC_SOF_INTEL_HDA_COMMON); 189