xref: /openbmc/linux/sound/soc/sof/ipc4-fw-reg.h (revision 9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e)
1  /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2  /*
3   * This file is provided under a dual BSD/GPLv2 license.  When using or
4   * redistributing this file, you may do so under either license.
5   *
6   * Copyright(c) 2022 Intel Corporation. All rights reserved.
7   */
8  
9  #ifndef __IPC4_FW_REG_H__
10  #define __IPC4_FW_REG_H__
11  
12  #define SOF_IPC4_INVALID_STREAM_POSITION	ULLONG_MAX
13  
14  /**
15   * struct sof_ipc4_pipeline_registers - Pipeline start and end information in fw
16   * @stream_start_offset: Stream start offset (LPIB) reported by mixin
17   * module allocated on pipeline attached to Host Output Gateway when
18   * first data is being mixed to mixout module. When data is not mixed
19   * (right after creation/after reset) value "(u64)-1" is reported
20   * @stream_end_offset: Stream end offset (LPIB) reported by mixin
21   * module allocated on pipeline attached to Host Output Gateway
22   * during transition from RUNNING to PAUSED. When data is not mixed
23   * (right after creation or after reset) value "(u64)-1" is reported.
24   * When first data is mixed then value "0"is reported.
25   */
26  struct sof_ipc4_pipeline_registers {
27  	u64 stream_start_offset;
28  	u64 stream_end_offset;
29  } __packed __aligned(4);
30  
31  #define SOF_IPC4_PV_MAX_SUPPORTED_CHANNELS 8
32  
33  /**
34   * struct sof_ipc4_peak_volume_regs - Volume information in fw
35   * @peak_meter: Peak volume value in fw
36   * @current_volume: Current volume value in fw
37   * @target_volume: Target volume value in fw
38   */
39  struct sof_ipc4_peak_volume_regs {
40  	u32 peak_meter[SOF_IPC4_PV_MAX_SUPPORTED_CHANNELS];
41  	u32 current_volume[SOF_IPC4_PV_MAX_SUPPORTED_CHANNELS];
42  	u32 target_volume[SOF_IPC4_PV_MAX_SUPPORTED_CHANNELS];
43  } __packed __aligned(4);
44  
45  /**
46   * struct sof_ipc4_llp_reading - Llp information in fw
47   * @llp_l: Lower part of 64-bit LLP
48   * @llp_u: Upper part of 64-bit LLP
49   * @wclk_l: Lower part of 64-bit Wallclock
50   * @wclk_u: Upper part of 64-bit Wallclock
51   */
52  struct sof_ipc4_llp_reading {
53  	u32 llp_l;
54  	u32 llp_u;
55  	u32 wclk_l;
56  	u32 wclk_u;
57  } __packed __aligned(4);
58  
59  /**
60   * struct of sof_ipc4_llp_reading_extended - Extended llp info
61   * @llp_reading: Llp information in memory window
62   * @tpd_low: Total processed data (low part)
63   * @tpd_high: Total processed data (high part)
64   */
65  struct sof_ipc4_llp_reading_extended {
66  	struct sof_ipc4_llp_reading llp_reading;
67  	u32 tpd_low;
68  	u32 tpd_high;
69  } __packed __aligned(4);
70  
71  /**
72   * struct sof_ipc4_llp_reading_slot - Llp slot information in memory window
73   * @node_id: Dai gateway node id
74   * @reading: Llp information in memory window
75   */
76  struct sof_ipc4_llp_reading_slot {
77  	u32 node_id;
78  	struct sof_ipc4_llp_reading reading;
79  } __packed __aligned(4);
80  
81  /* ROM information */
82  #define SOF_IPC4_FW_FUSE_VALUE_MASK		GENMASK(7, 0)
83  #define SOF_IPC4_FW_LOAD_METHOD_MASK		BIT(8)
84  #define SOF_IPC4_FW_DOWNLINK_IPC_USE_DMA_MASK	BIT(9)
85  #define SOF_IPC4_FW_LOAD_METHOD_REV_MASK	GENMASK(11, 10)
86  #define SOF_IPC4_FW_REVISION_MIN_MASK		GENMASK(15, 12)
87  #define SOF_IPC4_FW_REVISION_MAJ_MASK		GENMASK(19, 16)
88  #define SOF_IPC4_FW_VERSION_MIN_MASK		GENMASK(23, 20)
89  #define SOF_IPC4_FW_VERSION_MAJ_MASK		GENMASK(27, 24)
90  
91  /* Number of dsp core supported in FW Regs. */
92  #define SOF_IPC4_MAX_SUPPORTED_ADSP_CORES	8
93  
94  /* Number of host pipeline registers slots in FW Regs. */
95  #define SOF_IPC4_MAX_PIPELINE_REG_SLOTS		16
96  
97  /* Number of PeakVol registers slots in FW Regs. */
98  #define SOF_IPC4_MAX_PEAK_VOL_REG_SLOTS		16
99  
100  /* Number of GPDMA LLP Reading slots in FW Regs. */
101  #define SOF_IPC4_MAX_LLP_GPDMA_READING_SLOTS	24
102  
103  /* Number of Aggregated SNDW Reading slots in FW Regs. */
104  #define SOF_IPC4_MAX_LLP_SNDW_READING_SLOTS	15
105  
106  /* Current ABI version of the Fw registers layout. */
107  #define SOF_IPC4_FW_REGS_ABI_VER		1
108  
109  /**
110   * struct sof_ipc4_fw_registers - FW Registers exposes additional
111   * DSP / FW state information to the driver
112   * @fw_status: Current ROM / FW status
113   * @lec: Last ROM / FW error code
114   * @fps: Current DSP clock status
115   * @lnec: Last Native Error Code(from external library)
116   * @ltr: Copy of LTRC HW register value(FW only)
117   * @rsvd0: Reserved0
118   * @rom_info: ROM info
119   * @abi_ver: Version of the layout, set to the current FW_REGS_ABI_VER
120   * @slave_core_sts: Slave core states
121   * @rsvd2: Reserved2
122   * @pipeline_regs: State of pipelines attached to host output  gateways
123   * @peak_vol_regs: State of PeakVol instances indexed by the PeakVol's instance_id
124   * @llp_gpdma_reading_slots: LLP Readings for single link gateways
125   * @llp_sndw_reading_slots: SNDW aggregated link gateways
126   * @llp_evad_reading_slot: LLP Readings for EVAD gateway
127   */
128  struct sof_ipc4_fw_registers {
129  	u32 fw_status;
130  	u32 lec;
131  	u32 fps;
132  	u32 lnec;
133  	u32 ltr;
134  	u32 rsvd0;
135  	u32 rom_info;
136  	u32 abi_ver;
137  	u8 slave_core_sts[SOF_IPC4_MAX_SUPPORTED_ADSP_CORES];
138  	u32 rsvd2[6];
139  
140  	struct sof_ipc4_pipeline_registers
141  		pipeline_regs[SOF_IPC4_MAX_PIPELINE_REG_SLOTS];
142  
143  	struct sof_ipc4_peak_volume_regs
144  		peak_vol_regs[SOF_IPC4_MAX_PEAK_VOL_REG_SLOTS];
145  
146  	struct sof_ipc4_llp_reading_slot
147  		llp_gpdma_reading_slots[SOF_IPC4_MAX_LLP_GPDMA_READING_SLOTS];
148  
149  	struct sof_ipc4_llp_reading_slot
150  		llp_sndw_reading_slots[SOF_IPC4_MAX_LLP_SNDW_READING_SLOTS];
151  
152  	struct sof_ipc4_llp_reading_slot llp_evad_reading_slot;
153  } __packed __aligned(4);
154  
155  #endif
156