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 kfifo trace_fifo;
99 spinlock_t trace_lock; /* serialize debug window I/O between each LOG_BUFFER_STATUS */
100 wait_queue_head_t trace_waitq;
101 u32 aging_timer_period;
102 u32 fifo_full_timer_period;
103 u32 logged_resources; /* context dependent: core or library */
107 * struct avs_dev - Intel HD-Audio driver data
110 * @dsp_ba: DSP bar address
111 * @spec: platform-specific descriptor
112 * @fw_cfg: Firmware configuration, obtained through FW_CONFIG message
113 * @hw_cfg: Hardware configuration, obtained through HW_CONFIG message
114 * @mods_info: Available module-types, obtained through MODULES_INFO message
115 * @mod_idas: Module instance ID pool, one per module-type
116 * @modres_mutex: For synchronizing any @mods_info updates
117 * @ppl_ida: Pipeline instance ID pool
118 * @fw_list: List of libraries loaded, including base firmware
124 void __iomem *dsp_ba;
125 const struct avs_spec *spec;
128 struct avs_fw_cfg fw_cfg;
129 struct avs_hw_cfg hw_cfg;
130 struct avs_mods_info *mods_info;
131 struct ida **mod_idas;
132 struct mutex modres_mutex;
134 struct list_head fw_list;
135 int *core_refs; /* reference count per core */
139 struct completion fw_ready;
140 struct work_struct probe_work;
142 struct nhlt_acpi_table *nhlt;
143 struct list_head comp_list;
144 struct mutex comp_list_mutex;
145 struct list_head path_list;
146 spinlock_t path_list_lock;
147 struct mutex path_mutex;
149 struct avs_debug dbg;
150 spinlock_t trace_lock; /* serialize debug window I/O between each LOG_BUFFER_STATUS */
151 #ifdef CONFIG_DEBUG_FS
152 struct kfifo trace_fifo;
153 wait_queue_head_t trace_waitq;
154 u32 aging_timer_period;
155 u32 fifo_full_timer_period;
156 u32 logged_resources; /* context dependent: core or library */
160 /* from hda_bus to avs_dev */
161 #define hda_to_avs(hda) container_of(hda, struct avs_dev, base)
162 /* from hdac_bus to avs_dev */
163 #define hdac_to_avs(hdac) hda_to_avs(to_hda_bus(hdac))
164 /* from device to avs_dev */
165 #define to_avs_dev(dev) \
167 struct hdac_bus *__bus = dev_get_drvdata(dev); \
168 hdac_to_avs(__bus); \
171 int avs_dsp_core_power(struct avs_dev *adev, u32 core_mask, bool power);
172 int avs_dsp_core_reset(struct avs_dev *adev, u32 core_mask, bool reset);
173 int avs_dsp_core_stall(struct avs_dev *adev, u32 core_mask, bool stall);
174 int avs_dsp_core_enable(struct avs_dev *adev, u32 core_mask);
175 int avs_dsp_core_disable(struct avs_dev *adev, u32 core_mask);
177 /* Inter Process Communication */
182 union avs_global_msg glb;
183 union avs_reply_msg rsp;
190 * struct avs_ipc - DSP IPC context
193 * @rx: Reply message cache
194 * @default_timeout_ms: default message timeout in MS
195 * @ready: whether firmware is ready and communication is open
196 * @rx_completed: whether RX for previously sent TX has been received
197 * @rx_lock: for serializing manipulation of rx_* fields
198 * @msg_lock: for synchronizing request handling
199 * @done_completion: DONE-part of IPC i.e. ROM and ACKs from FW
200 * @busy_completion: BUSY-part of IPC i.e. receiving responses from FW
205 struct avs_ipc_msg rx;
206 u32 default_timeout_ms;
212 struct mutex msg_mutex;
213 struct completion done_completion;
214 struct completion busy_completion;
216 struct work_struct recovery_work;
217 struct delayed_work d0ix_work;
218 atomic_t d0ix_disable_depth;
222 #define AVS_EIPC EREMOTEIO
224 * IPC handlers may return positive value (firmware error code) what denotes
225 * successful HOST <-> DSP communication yet failure to process specific request.
227 * Below macro converts returned value to linux kernel error code.
228 * All IPC callers MUST use it as soon as firmware error code is consumed.
230 #define AVS_IPC_RET(ret) \
231 (((ret) <= 0) ? (ret) : -AVS_EIPC)
233 static inline void avs_ipc_err(struct avs_dev *adev, struct avs_ipc_msg *tx,
234 const char *name, int error)
237 * If IPC channel is blocked e.g.: due to ongoing recovery,
238 * -EPERM error code is expected and thus it's not an actual error.
240 * Unsupported IPCs are of no harm either.
242 if (error == -EPERM || error == AVS_IPC_NOT_SUPPORTED)
243 dev_dbg(adev->dev, "%s 0x%08x 0x%08x failed: %d\n", name,
244 tx->glb.primary, tx->glb.ext.val, error);
246 dev_err(adev->dev, "%s 0x%08x 0x%08x failed: %d\n", name,
247 tx->glb.primary, tx->glb.ext.val, error);
250 irqreturn_t avs_dsp_irq_handler(int irq, void *dev_id);
251 irqreturn_t avs_dsp_irq_thread(int irq, void *dev_id);
252 void avs_dsp_process_response(struct avs_dev *adev, u64 header);
253 int avs_dsp_send_msg_timeout(struct avs_dev *adev,
254 struct avs_ipc_msg *request,
255 struct avs_ipc_msg *reply, int timeout);
256 int avs_dsp_send_msg(struct avs_dev *adev,
257 struct avs_ipc_msg *request, struct avs_ipc_msg *reply);
258 /* Two variants below are for messages that control DSP power states. */
259 int avs_dsp_send_pm_msg_timeout(struct avs_dev *adev, struct avs_ipc_msg *request,
260 struct avs_ipc_msg *reply, int timeout, bool wake_d0i0);
261 int avs_dsp_send_pm_msg(struct avs_dev *adev, struct avs_ipc_msg *request,
262 struct avs_ipc_msg *reply, bool wake_d0i0);
263 int avs_dsp_send_rom_msg_timeout(struct avs_dev *adev,
264 struct avs_ipc_msg *request, int timeout);
265 int avs_dsp_send_rom_msg(struct avs_dev *adev, struct avs_ipc_msg *request);
266 void avs_dsp_interrupt_control(struct avs_dev *adev, bool enable);
267 int avs_ipc_init(struct avs_ipc *ipc, struct device *dev);
268 void avs_ipc_block(struct avs_ipc *ipc);
270 int avs_dsp_disable_d0ix(struct avs_dev *adev);
271 int avs_dsp_enable_d0ix(struct avs_dev *adev);
273 int skl_log_buffer_offset(struct avs_dev *adev, u32 core);
275 /* Firmware resources management */
277 int avs_get_module_entry(struct avs_dev *adev, const guid_t *uuid, struct avs_module_entry *entry);
278 int avs_get_module_id_entry(struct avs_dev *adev, u32 module_id, struct avs_module_entry *entry);
279 int avs_get_module_id(struct avs_dev *adev, const guid_t *uuid);
280 bool avs_is_module_ida_empty(struct avs_dev *adev, u32 module_id);
282 int avs_module_info_init(struct avs_dev *adev, bool purge);
283 void avs_module_info_free(struct avs_dev *adev);
284 int avs_module_id_alloc(struct avs_dev *adev, u16 module_id);
285 void avs_module_id_free(struct avs_dev *adev, u16 module_id, u8 instance_id);
286 int avs_request_firmware(struct avs_dev *adev, const struct firmware **fw_p, const char *name);
287 void avs_release_last_firmware(struct avs_dev *adev);
288 void avs_release_firmwares(struct avs_dev *adev);
290 int avs_dsp_init_module(struct avs_dev *adev, u16 module_id, u8 ppl_instance_id,
291 u8 core_id, u8 domain, void *param, u32 param_size,
293 void avs_dsp_delete_module(struct avs_dev *adev, u16 module_id, u16 instance_id,
294 u8 ppl_instance_id, u8 core_id);
295 int avs_dsp_create_pipeline(struct avs_dev *adev, u16 req_size, u8 priority,
296 bool lp, u16 attributes, u8 *instance_id);
297 int avs_dsp_delete_pipeline(struct avs_dev *adev, u8 instance_id);
299 /* Firmware loading */
301 void avs_hda_clock_gating_enable(struct avs_dev *adev, bool enable);
302 void avs_hda_power_gating_enable(struct avs_dev *adev, bool enable);
303 void avs_hda_l1sen_enable(struct avs_dev *adev, bool enable);
305 int avs_dsp_load_libraries(struct avs_dev *adev, struct avs_tplg_library *libs, u32 num_libs);
306 int avs_dsp_boot_firmware(struct avs_dev *adev, bool purge);
307 int avs_dsp_first_boot_firmware(struct avs_dev *adev);
309 int avs_cldma_load_basefw(struct avs_dev *adev, struct firmware *fw);
310 int avs_cldma_load_library(struct avs_dev *adev, struct firmware *lib, u32 id);
311 int avs_cldma_transfer_modules(struct avs_dev *adev, bool load,
312 struct avs_module_entry *mods, u32 num_mods);
313 int avs_hda_load_basefw(struct avs_dev *adev, struct firmware *fw);
314 int avs_hda_load_library(struct avs_dev *adev, struct firmware *lib, u32 id);
315 int avs_hda_transfer_modules(struct avs_dev *adev, bool load,
316 struct avs_module_entry *mods, u32 num_mods);
318 /* Soc component members */
320 struct avs_soc_component {
321 struct snd_soc_component base;
322 struct avs_tplg *tplg;
324 struct list_head node;
327 #define to_avs_soc_component(comp) \
328 container_of(comp, struct avs_soc_component, base)
330 extern const struct snd_soc_dai_ops avs_dai_fe_ops;
332 int avs_dmic_platform_register(struct avs_dev *adev, const char *name);
333 int avs_i2s_platform_register(struct avs_dev *adev, const char *name, unsigned long port_mask,
334 unsigned long *tdms);
335 int avs_hda_platform_register(struct avs_dev *adev, const char *name);
337 int avs_register_all_boards(struct avs_dev *adev);
338 void avs_unregister_all_boards(struct avs_dev *adev);
340 /* Firmware tracing helpers */
342 unsigned int __kfifo_fromio(struct kfifo *fifo, const void __iomem *src, unsigned int len);
344 #define avs_log_buffer_size(adev) \
345 ((adev)->fw_cfg.trace_log_bytes / (adev)->hw_cfg.dsp_cores)
347 #define avs_log_buffer_addr(adev, core) \
349 s32 __offset = avs_dsp_op(adev, log_buffer_offset, core); \
350 (__offset < 0) ? NULL : \
351 (avs_sram_addr(adev, AVS_DEBUG_WINDOW) + __offset); \
354 static inline int avs_log_buffer_status_locked(struct avs_dev *adev, union avs_notify_msg *msg)
359 spin_lock_irqsave(&adev->dbg.trace_lock, flags);
360 ret = avs_dsp_op(adev, log_buffer_status, msg);
361 spin_unlock_irqrestore(&adev->dbg.trace_lock, flags);
366 struct apl_log_buffer_layout {
372 #define apl_log_payload_size(adev) \
373 (avs_log_buffer_size(adev) - sizeof(struct apl_log_buffer_layout))
375 #define apl_log_payload_addr(addr) \
376 (addr + sizeof(struct apl_log_buffer_layout))
378 #ifdef CONFIG_DEBUG_FS
379 bool avs_logging_fw(struct avs_dev *adev);
380 void avs_dump_fw_log(struct avs_dev *adev, const void __iomem *src, unsigned int len);
381 void avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len);
383 static inline bool avs_logging_fw(struct avs_dev *adev)
388 static inline void avs_dump_fw_log(struct avs_dev *adev, const void __iomem *src, unsigned int len)
393 avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len)
398 #endif /* __SOUND_SOC_INTEL_AVS_H */