1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2020-2023 Intel Corporation
4 */
5
6#ifndef __IVPU_HW_H__
7#define __IVPU_HW_H__
8
9#include "ivpu_drv.h"
10
11struct ivpu_hw_ops {
12 int (*info_init)(struct ivpu_device *vdev);
13 int (*power_up)(struct ivpu_device *vdev);
14 int (*boot_fw)(struct ivpu_device *vdev);
15 int (*power_down)(struct ivpu_device *vdev);
16 int (*reset)(struct ivpu_device *vdev);
17 bool (*is_idle)(struct ivpu_device *vdev);
18 void (*wdt_disable)(struct ivpu_device *vdev);
19 void (*diagnose_failure)(struct ivpu_device *vdev);
20 u32 (*reg_pll_freq_get)(struct ivpu_device *vdev);
21 u32 (*reg_telemetry_offset_get)(struct ivpu_device *vdev);
22 u32 (*reg_telemetry_size_get)(struct ivpu_device *vdev);
23 u32 (*reg_telemetry_enable_get)(struct ivpu_device *vdev);
24 void (*reg_db_set)(struct ivpu_device *vdev, u32 db_id);
25 u32 (*reg_ipc_rx_addr_get)(struct ivpu_device *vdev);
26 u32 (*reg_ipc_rx_count_get)(struct ivpu_device *vdev);
27 void (*reg_ipc_tx_set)(struct ivpu_device *vdev, u32 vpu_addr);
28 void (*irq_clear)(struct ivpu_device *vdev);
29 void (*irq_enable)(struct ivpu_device *vdev);
30 void (*irq_disable)(struct ivpu_device *vdev);
31 irqreturn_t (*irq_handler)(int irq, void *ptr);
32};
33
34struct ivpu_addr_range {
35 resource_size_t start;
36 resource_size_t end;
37};
38
39struct ivpu_hw_info {
40 const struct ivpu_hw_ops *ops;
41 struct {
42 struct ivpu_addr_range global;
43 struct ivpu_addr_range user;
44 struct ivpu_addr_range shave;
45 struct ivpu_addr_range dma;
46 } ranges;
47 struct {
48 u8 min_ratio;
49 u8 max_ratio;
50 /*
51 * Pll ratio for the efficiency frequency. The VPU has optimum
52 * performance to power ratio at this frequency.
53 */
54 u8 pn_ratio;
55 u32 profiling_freq;
56 } pll;
57 u32 tile_fuse;
58 u32 sku;
59 u16 config;
60 int dma_bits;
61};
62
63extern const struct ivpu_hw_ops ivpu_hw_37xx_ops;
64extern const struct ivpu_hw_ops ivpu_hw_40xx_ops;
65
66static inline int ivpu_hw_info_init(struct ivpu_device *vdev)
67{
68 return vdev->hw->ops->info_init(vdev);
69};
70
71static inline int ivpu_hw_power_up(struct ivpu_device *vdev)
72{
73 ivpu_dbg(vdev, PM, "HW power up\n");
74
75 return vdev->hw->ops->power_up(vdev);
76};
77
78static inline int ivpu_hw_boot_fw(struct ivpu_device *vdev)
79{
80 return vdev->hw->ops->boot_fw(vdev);
81};
82
83static inline bool ivpu_hw_is_idle(struct ivpu_device *vdev)
84{
85 return vdev->hw->ops->is_idle(vdev);
86};
87
88static inline int ivpu_hw_power_down(struct ivpu_device *vdev)
89{
90 ivpu_dbg(vdev, PM, "HW power down\n");
91
92 return vdev->hw->ops->power_down(vdev);
93};
94
95static inline int ivpu_hw_reset(struct ivpu_device *vdev)
96{
97 ivpu_dbg(vdev, PM, "HW reset\n");
98
99 return vdev->hw->ops->reset(vdev);
100};
101
102static inline void ivpu_hw_wdt_disable(struct ivpu_device *vdev)
103{
104 vdev->hw->ops->wdt_disable(vdev);
105};
106
107/* Register indirect accesses */
108static inline u32 ivpu_hw_reg_pll_freq_get(struct ivpu_device *vdev)
109{
110 return vdev->hw->ops->reg_pll_freq_get(vdev);
111};
112
113static inline u32 ivpu_hw_reg_telemetry_offset_get(struct ivpu_device *vdev)
114{
115 return vdev->hw->ops->reg_telemetry_offset_get(vdev);
116};
117
118static inline u32 ivpu_hw_reg_telemetry_size_get(struct ivpu_device *vdev)
119{
120 return vdev->hw->ops->reg_telemetry_size_get(vdev);
121};
122
123static inline u32 ivpu_hw_reg_telemetry_enable_get(struct ivpu_device *vdev)
124{
125 return vdev->hw->ops->reg_telemetry_enable_get(vdev);
126};
127
128static inline void ivpu_hw_reg_db_set(struct ivpu_device *vdev, u32 db_id)
129{
130 vdev->hw->ops->reg_db_set(vdev, db_id);
131};
132
133static inline u32 ivpu_hw_reg_ipc_rx_addr_get(struct ivpu_device *vdev)
134{
135 return vdev->hw->ops->reg_ipc_rx_addr_get(vdev);
136};
137
138static inline u32 ivpu_hw_reg_ipc_rx_count_get(struct ivpu_device *vdev)
139{
140 return vdev->hw->ops->reg_ipc_rx_count_get(vdev);
141};
142
143static inline void ivpu_hw_reg_ipc_tx_set(struct ivpu_device *vdev, u32 vpu_addr)
144{
145 vdev->hw->ops->reg_ipc_tx_set(vdev, vpu_addr);
146};
147
148static inline void ivpu_hw_irq_clear(struct ivpu_device *vdev)
149{
150 vdev->hw->ops->irq_clear(vdev);
151};
152
153static inline void ivpu_hw_irq_enable(struct ivpu_device *vdev)
154{
155 vdev->hw->ops->irq_enable(vdev);
156};
157
158static inline void ivpu_hw_irq_disable(struct ivpu_device *vdev)
159{
160 vdev->hw->ops->irq_disable(vdev);
161};
162
163static inline void ivpu_hw_init_range(struct ivpu_addr_range *range, u64 start, u64 size)
164{
165 range->start = start;
166 range->end = start + size;
167}
168
169static inline u64 ivpu_hw_range_size(const struct ivpu_addr_range *range)
170{
171 return range->end - range->start;
172}
173
174static inline void ivpu_hw_diagnose_failure(struct ivpu_device *vdev)
175{
176 vdev->hw->ops->diagnose_failure(vdev);
177}
178
179#endif /* __IVPU_HW_H__ */
180

source code of linux/drivers/accel/ivpu/ivpu_hw.h