1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
5 * Authors: Cezary Rojewski <cezary.rojewski@intel.com>
6 * Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
9 #ifndef __SOUND_SOC_INTEL_AVS_H
10 #define __SOUND_SOC_INTEL_AVS_H
12 #include <linux/debugfs.h>
13 #include <linux/device.h>
14 #include <linux/firmware.h>
15 #include <linux/kfifo.h>
16 #include <sound/hda_codec.h>
17 #include <sound/hda_register.h>
18 #include <sound/soc-component.h>
20 #include "registers.h"
24 struct avs_tplg_library;
25 struct avs_soc_component;
29 #define AVS_S0IX_SUPPORTED \
30 (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0)
32 #define AVS_S0IX_SUPPORTED false
36 * struct avs_dsp_ops - Platform-specific DSP operations
38 * @power: Power on or off DSP cores
39 * @reset: Enter or exit reset state on DSP cores
40 * @stall: Stall or run DSP cores
41 * @irq_handler: Top half of IPC servicing
42 * @irq_thread: Bottom half of IPC servicing
43 * @int_control: Enable or disable IPC interrupts
46 int (* const power)(struct avs_dev *, u32, bool);
47 int (* const reset)(struct avs_dev *, u32, bool);
48 int (* const stall)(struct avs_dev *, u32, bool);
49 irqreturn_t (* const irq_handler)(int, void *);
50 irqreturn_t (* const irq_thread)(int, void *);
51 void (* const int_control)(struct avs_dev *, bool);
52 int (* const load_basefw)(struct avs_dev *, struct firmware *);
53 int (* const load_lib)(struct avs_dev *, struct firmware *, u32);
54 int (* const transfer_mods)(struct avs_dev *, bool, struct avs_module_entry *, u32);
55 int (* const enable_logs)(struct avs_dev *, enum avs_log_enable, u32, u32, unsigned long,
57 int (* const log_buffer_offset)(struct avs_dev *, u32);
58 int (* const log_buffer_status)(struct avs_dev *, union avs_notify_msg *);
59 int (* const coredump)(struct avs_dev *, union avs_notify_msg *);
60 bool (* const d0ix_toggle)(struct avs_dev *, struct avs_ipc_msg *, bool);
61 int (* const set_d0ix)(struct avs_dev *, bool);
64 #define avs_dsp_op(adev, op, ...) \
65 ((adev)->spec->dsp_ops->op(adev, ## __VA_ARGS__))
67 extern const struct avs_dsp_ops skl_dsp_ops;
68 extern const struct avs_dsp_ops apl_dsp_ops;
70 #define AVS_PLATATTR_CLDMA BIT_ULL(0)
71 #define AVS_PLATATTR_IMR BIT_ULL(1)
73 #define avs_platattr_test(adev, attr) \
74 ((adev)->spec->attributes & AVS_PLATATTR_##attr)
76 /* Platform specific descriptor */
80 const struct avs_dsp_ops *const dsp_ops;
81 struct avs_fw_version min_fw_version; /* anything below is rejected */
83 const u32 core_init_mask; /* used during DSP boot */
84 const u64 attributes; /* bitmask of AVS_PLATATTR_* */
85 const u32 sram_base_offset;
86 const u32 sram_window_size;
92 const struct firmware *fw;
94 struct list_head node;
98 * struct avs_dev - Intel HD-Audio driver data
101 * @dsp_ba: DSP bar address
102 * @spec: platform-specific descriptor
103 * @fw_cfg: Firmware configuration, obtained through FW_CONFIG message
104 * @hw_cfg: Hardware configuration, obtained through HW_CONFIG message
105 * @mods_info: Available module-types, obtained through MODULES_INFO message
106 * @mod_idas: Module instance ID pool, one per module-type
107 * @modres_mutex: For synchronizing any @mods_info updates
108 * @ppl_ida: Pipeline instance ID pool
109 * @fw_list: List of libraries loaded, including base firmware
115 void __iomem *dsp_ba;
116 const struct avs_spec *spec;
119 struct avs_fw_cfg fw_cfg;
120 struct avs_hw_cfg hw_cfg;
121 struct avs_mods_info *mods_info;
122 struct ida **mod_idas;
123 struct mutex modres_mutex;
124 void *modcfg_buf; /* module configuration buffer */
126 struct list_head fw_list;
127 int *core_refs; /* reference count per core */
131 struct completion fw_ready;
132 struct work_struct probe_work;
134 struct nhlt_acpi_table *nhlt;
135 struct list_head comp_list;
136 struct mutex comp_list_mutex;
137 struct list_head path_list;
138 spinlock_t path_list_lock;
139 struct mutex path_mutex;
141 spinlock_t trace_lock; /* serialize debug window I/O between each LOG_BUFFER_STATUS */
142 #ifdef CONFIG_DEBUG_FS
143 struct kfifo trace_fifo;
144 wait_queue_head_t trace_waitq;
145 u32 aging_timer_period;
146 u32 fifo_full_timer_period;
147 u32 logged_resources; /* context dependent: core or library */
148 struct dentry *debugfs_root;
150 struct hdac_ext_stream *extractor;
151 unsigned int num_probe_streams;
155 /* from hda_bus to avs_dev */
156 #define hda_to_avs(hda) container_of(hda, struct avs_dev, base)
157 /* from hdac_bus to avs_dev */
158 #define hdac_to_avs(hdac) hda_to_avs(to_hda_bus(hdac))
159 /* from device to avs_dev */
160 #define to_avs_dev(dev) \
162 struct hdac_bus *__bus = dev_get_drvdata(dev); \
163 hdac_to_avs(__bus); \
166 int avs_dsp_core_power(struct avs_dev *adev, u32 core_mask, bool power);
167 int avs_dsp_core_reset(struct avs_dev *adev, u32 core_mask, bool reset);
168 int avs_dsp_core_stall(struct avs_dev *adev, u32 core_mask, bool stall);
169 int avs_dsp_core_enable(struct avs_dev *adev, u32 core_mask);
170 int avs_dsp_core_disable(struct avs_dev *adev, u32 core_mask);
172 /* Inter Process Communication */
177 union avs_global_msg glb;
178 union avs_reply_msg rsp;
185 * struct avs_ipc - DSP IPC context
188 * @rx: Reply message cache
189 * @default_timeout_ms: default message timeout in MS
190 * @ready: whether firmware is ready and communication is open
191 * @rx_completed: whether RX for previously sent TX has been received
192 * @rx_lock: for serializing manipulation of rx_* fields
193 * @msg_lock: for synchronizing request handling
194 * @done_completion: DONE-part of IPC i.e. ROM and ACKs from FW
195 * @busy_completion: BUSY-part of IPC i.e. receiving responses from FW
200 struct avs_ipc_msg rx;
201 u32 default_timeout_ms;
207 struct mutex msg_mutex;
208 struct completion done_completion;
209 struct completion busy_completion;
211 struct work_struct recovery_work;
212 struct delayed_work d0ix_work;
213 atomic_t d0ix_disable_depth;
217 #define AVS_EIPC EREMOTEIO
219 * IPC handlers may return positive value (firmware error code) what denotes
220 * successful HOST <-> DSP communication yet failure to process specific request.
222 * Below macro converts returned value to linux kernel error code.
223 * All IPC callers MUST use it as soon as firmware error code is consumed.
225 #define AVS_IPC_RET(ret) \
226 (((ret) <= 0) ? (ret) : -AVS_EIPC)
228 irqreturn_t avs_dsp_irq_handler(int irq, void *dev_id);
229 irqreturn_t avs_dsp_irq_thread(int irq, void *dev_id);
230 void avs_dsp_process_response(struct avs_dev *adev, u64 header);
231 int avs_dsp_send_msg_timeout(struct avs_dev *adev, struct avs_ipc_msg *request,
232 struct avs_ipc_msg *reply, int timeout, const char *name);
233 int avs_dsp_send_msg(struct avs_dev *adev, struct avs_ipc_msg *request,
234 struct avs_ipc_msg *reply, const char *name);
235 /* Two variants below are for messages that control DSP power states. */
236 int avs_dsp_send_pm_msg_timeout(struct avs_dev *adev, struct avs_ipc_msg *request,
237 struct avs_ipc_msg *reply, int timeout, bool wake_d0i0,
239 int avs_dsp_send_pm_msg(struct avs_dev *adev, struct avs_ipc_msg *request,
240 struct avs_ipc_msg *reply, bool wake_d0i0, const char *name);
241 int avs_dsp_send_rom_msg_timeout(struct avs_dev *adev, struct avs_ipc_msg *request, int timeout,
243 int avs_dsp_send_rom_msg(struct avs_dev *adev, struct avs_ipc_msg *request, const char *name);
244 void avs_dsp_interrupt_control(struct avs_dev *adev, bool enable);
245 int avs_ipc_init(struct avs_ipc *ipc, struct device *dev);
246 void avs_ipc_block(struct avs_ipc *ipc);
248 int avs_dsp_disable_d0ix(struct avs_dev *adev);
249 int avs_dsp_enable_d0ix(struct avs_dev *adev);
251 int skl_log_buffer_offset(struct avs_dev *adev, u32 core);
253 /* Firmware resources management */
255 int avs_get_module_entry(struct avs_dev *adev, const guid_t *uuid, struct avs_module_entry *entry);
256 int avs_get_module_id_entry(struct avs_dev *adev, u32 module_id, struct avs_module_entry *entry);
257 int avs_get_module_id(struct avs_dev *adev, const guid_t *uuid);
258 bool avs_is_module_ida_empty(struct avs_dev *adev, u32 module_id);
260 int avs_module_info_init(struct avs_dev *adev, bool purge);
261 void avs_module_info_free(struct avs_dev *adev);
262 int avs_module_id_alloc(struct avs_dev *adev, u16 module_id);
263 void avs_module_id_free(struct avs_dev *adev, u16 module_id, u8 instance_id);
264 int avs_request_firmware(struct avs_dev *adev, const struct firmware **fw_p, const char *name);
265 void avs_release_last_firmware(struct avs_dev *adev);
266 void avs_release_firmwares(struct avs_dev *adev);
268 int avs_dsp_init_module(struct avs_dev *adev, u16 module_id, u8 ppl_instance_id,
269 u8 core_id, u8 domain, void *param, u32 param_size,
271 void avs_dsp_delete_module(struct avs_dev *adev, u16 module_id, u8 instance_id,
272 u8 ppl_instance_id, u8 core_id);
273 int avs_dsp_create_pipeline(struct avs_dev *adev, u16 req_size, u8 priority,
274 bool lp, u16 attributes, u8 *instance_id);
275 int avs_dsp_delete_pipeline(struct avs_dev *adev, u8 instance_id);
277 /* Firmware loading */
279 void avs_hda_clock_gating_enable(struct avs_dev *adev, bool enable);
280 void avs_hda_power_gating_enable(struct avs_dev *adev, bool enable);
281 void avs_hda_l1sen_enable(struct avs_dev *adev, bool enable);
283 int avs_dsp_load_libraries(struct avs_dev *adev, struct avs_tplg_library *libs, u32 num_libs);
284 int avs_dsp_boot_firmware(struct avs_dev *adev, bool purge);
285 int avs_dsp_first_boot_firmware(struct avs_dev *adev);
287 int avs_cldma_load_basefw(struct avs_dev *adev, struct firmware *fw);
288 int avs_cldma_load_library(struct avs_dev *adev, struct firmware *lib, u32 id);
289 int avs_cldma_transfer_modules(struct avs_dev *adev, bool load,
290 struct avs_module_entry *mods, u32 num_mods);
291 int avs_hda_load_basefw(struct avs_dev *adev, struct firmware *fw);
292 int avs_hda_load_library(struct avs_dev *adev, struct firmware *lib, u32 id);
293 int avs_hda_transfer_modules(struct avs_dev *adev, bool load,
294 struct avs_module_entry *mods, u32 num_mods);
296 /* Soc component members */
298 struct avs_soc_component {
299 struct snd_soc_component base;
300 struct avs_tplg *tplg;
302 struct list_head node;
305 #define to_avs_soc_component(comp) \
306 container_of(comp, struct avs_soc_component, base)
308 extern const struct snd_soc_dai_ops avs_dai_fe_ops;
310 int avs_soc_component_register(struct device *dev, const char *name,
311 const struct snd_soc_component_driver *drv,
312 struct snd_soc_dai_driver *cpu_dais, int num_cpu_dais);
313 int avs_dmic_platform_register(struct avs_dev *adev, const char *name);
314 int avs_i2s_platform_register(struct avs_dev *adev, const char *name, unsigned long port_mask,
315 unsigned long *tdms);
316 int avs_hda_platform_register(struct avs_dev *adev, const char *name);
318 int avs_register_all_boards(struct avs_dev *adev);
319 void avs_unregister_all_boards(struct avs_dev *adev);
321 /* Firmware tracing helpers */
323 #define avs_log_buffer_size(adev) \
324 ((adev)->fw_cfg.trace_log_bytes / (adev)->hw_cfg.dsp_cores)
326 #define avs_log_buffer_addr(adev, core) \
328 s32 __offset = avs_dsp_op(adev, log_buffer_offset, core); \
329 (__offset < 0) ? NULL : \
330 (avs_sram_addr(adev, AVS_DEBUG_WINDOW) + __offset); \
333 static inline int avs_log_buffer_status_locked(struct avs_dev *adev, union avs_notify_msg *msg)
338 spin_lock_irqsave(&adev->trace_lock, flags);
339 ret = avs_dsp_op(adev, log_buffer_status, msg);
340 spin_unlock_irqrestore(&adev->trace_lock, flags);
345 struct apl_log_buffer_layout {
351 #define apl_log_payload_size(adev) \
352 (avs_log_buffer_size(adev) - sizeof(struct apl_log_buffer_layout))
354 #define apl_log_payload_addr(addr) \
355 (addr + sizeof(struct apl_log_buffer_layout))
357 #ifdef CONFIG_DEBUG_FS
358 #define AVS_SET_ENABLE_LOGS_OP(name) \
359 .enable_logs = name##_enable_logs
361 bool avs_logging_fw(struct avs_dev *adev);
362 void avs_dump_fw_log(struct avs_dev *adev, const void __iomem *src, unsigned int len);
363 void avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len);
365 int avs_probe_platform_register(struct avs_dev *adev, const char *name);
367 void avs_debugfs_init(struct avs_dev *adev);
368 void avs_debugfs_exit(struct avs_dev *adev);
370 #define AVS_SET_ENABLE_LOGS_OP(name)
372 static inline bool avs_logging_fw(struct avs_dev *adev)
377 static inline void avs_dump_fw_log(struct avs_dev *adev, const void __iomem *src, unsigned int len)
382 avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len)
386 static inline int avs_probe_platform_register(struct avs_dev *adev, const char *name)
391 static inline void avs_debugfs_init(struct avs_dev *adev) { }
392 static inline void avs_debugfs_exit(struct avs_dev *adev) { }
395 #endif /* __SOUND_SOC_INTEL_AVS_H */