tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2020-2024 Intel Corporation
4 */
5
6#ifndef __IVPU_HW_H__
7#define __IVPU_HW_H__
8
9#include <linux/kfifo.h>
10
11#include "ivpu_drv.h"
12#include "ivpu_hw_btrs.h"
13#include "ivpu_hw_ip.h"
14
15#define IVPU_HW_IRQ_FIFO_LENGTH 1024
16
17#define IVPU_HW_IRQ_SRC_IPC 1
18#define IVPU_HW_IRQ_SRC_MMU_EVTQ 2
19#define IVPU_HW_IRQ_SRC_DCT 3
20
21struct ivpu_addr_range {
22 resource_size_t start;
23 resource_size_t end;
24};
25
26struct ivpu_hw_info {
27 struct {
28 bool (*btrs_irq_handler)(struct ivpu_device *vdev, int irq);
29 bool (*ip_irq_handler)(struct ivpu_device *vdev, int irq);
30 DECLARE_KFIFO(fifo, u8, IVPU_HW_IRQ_FIFO_LENGTH);
31 } irq;
32 struct {
33 struct ivpu_addr_range global;
34 struct ivpu_addr_range user;
35 struct ivpu_addr_range shave;
36 struct ivpu_addr_range dma;
37 } ranges;
38 struct {
39 u8 min_ratio;
40 u8 max_ratio;
41 /*
42 * Pll ratio for the efficiency frequency. The VPU has optimum
43 * performance to power ratio at this frequency.
44 */
45 u8 pn_ratio;
46 u32 profiling_freq;
47 } pll;
48 u32 tile_fuse;
49 u32 sched_mode;
50 u32 sku;
51 u16 config;
52 int dma_bits;
53 ktime_t d0i3_entry_host_ts;
54 u64 d0i3_entry_vpu_ts;
55};
56
57int ivpu_hw_init(struct ivpu_device *vdev);
58int ivpu_hw_power_up(struct ivpu_device *vdev);
59int ivpu_hw_power_down(struct ivpu_device *vdev);
60int ivpu_hw_reset(struct ivpu_device *vdev);
61int ivpu_hw_boot_fw(struct ivpu_device *vdev);
62void ivpu_hw_profiling_freq_drive(struct ivpu_device *vdev, bool enable);
63void ivpu_irq_handlers_init(struct ivpu_device *vdev);
64void ivpu_hw_irq_enable(struct ivpu_device *vdev);
65void ivpu_hw_irq_disable(struct ivpu_device *vdev);
66irqreturn_t ivpu_hw_irq_handler(int irq, void *ptr);
67
68static inline u32 ivpu_hw_btrs_irq_handler(struct ivpu_device *vdev, int irq)
69{
70 return vdev->hw->irq.btrs_irq_handler(vdev, irq);
71}
72
73static inline u32 ivpu_hw_ip_irq_handler(struct ivpu_device *vdev, int irq)
74{
75 return vdev->hw->irq.ip_irq_handler(vdev, irq);
76}
77
78static inline void ivpu_hw_range_init(struct ivpu_addr_range *range, u64 start, u64 size)
79{
80 range->start = start;
81 range->end = start + size;
82}
83
84static inline u64 ivpu_hw_range_size(const struct ivpu_addr_range *range)
85{
86 return range->end - range->start;
87}
88
89static inline u32 ivpu_hw_ratio_to_freq(struct ivpu_device *vdev, u32 ratio)
90{
91 return ivpu_hw_btrs_ratio_to_freq(vdev, ratio);
92}
93
94static inline void ivpu_hw_irq_clear(struct ivpu_device *vdev)
95{
96 ivpu_hw_ip_irq_clear(vdev);
97}
98
99static inline u32 ivpu_hw_pll_freq_get(struct ivpu_device *vdev)
100{
101 return ivpu_hw_btrs_pll_freq_get(vdev);
102}
103
104static inline u32 ivpu_hw_profiling_freq_get(struct ivpu_device *vdev)
105{
106 return vdev->hw->pll.profiling_freq;
107}
108
109static inline void ivpu_hw_diagnose_failure(struct ivpu_device *vdev)
110{
111 ivpu_hw_ip_diagnose_failure(vdev);
112 ivpu_hw_btrs_diagnose_failure(vdev);
113}
114
115static inline u32 ivpu_hw_telemetry_offset_get(struct ivpu_device *vdev)
116{
117 return ivpu_hw_btrs_telemetry_offset_get(vdev);
118}
119
120static inline u32 ivpu_hw_telemetry_size_get(struct ivpu_device *vdev)
121{
122 return ivpu_hw_btrs_telemetry_size_get(vdev);
123}
124
125static inline u32 ivpu_hw_telemetry_enable_get(struct ivpu_device *vdev)
126{
127 return ivpu_hw_btrs_telemetry_enable_get(vdev);
128}
129
130static inline bool ivpu_hw_is_idle(struct ivpu_device *vdev)
131{
132 return ivpu_hw_btrs_is_idle(vdev);
133}
134
135static inline int ivpu_hw_wait_for_idle(struct ivpu_device *vdev)
136{
137 return ivpu_hw_btrs_wait_for_idle(vdev);
138}
139
140static inline void ivpu_hw_ipc_tx_set(struct ivpu_device *vdev, u32 vpu_addr)
141{
142 ivpu_hw_ip_ipc_tx_set(vdev, vpu_addr);
143}
144
145static inline void ivpu_hw_db_set(struct ivpu_device *vdev, u32 db_id)
146{
147 ivpu_hw_ip_db_set(vdev, db_id);
148}
149
150static inline u32 ivpu_hw_ipc_rx_addr_get(struct ivpu_device *vdev)
151{
152 return ivpu_hw_ip_ipc_rx_addr_get(vdev);
153}
154
155static inline u32 ivpu_hw_ipc_rx_count_get(struct ivpu_device *vdev)
156{
157 return ivpu_hw_ip_ipc_rx_count_get(vdev);
158}
159
160#endif /* __IVPU_HW_H__ */