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 atomic_t firewall_irq_counter;
56};
57
58int ivpu_hw_init(struct ivpu_device *vdev);
59int ivpu_hw_power_up(struct ivpu_device *vdev);
60int ivpu_hw_power_down(struct ivpu_device *vdev);
61int ivpu_hw_reset(struct ivpu_device *vdev);
62int ivpu_hw_boot_fw(struct ivpu_device *vdev);
63void ivpu_hw_profiling_freq_drive(struct ivpu_device *vdev, bool enable);
64void ivpu_irq_handlers_init(struct ivpu_device *vdev);
65void ivpu_hw_irq_enable(struct ivpu_device *vdev);
66void ivpu_hw_irq_disable(struct ivpu_device *vdev);
67irqreturn_t ivpu_hw_irq_handler(int irq, void *ptr);
68
69static inline u32 ivpu_hw_btrs_irq_handler(struct ivpu_device *vdev, int irq)
70{
71 return vdev->hw->irq.btrs_irq_handler(vdev, irq);
72}
73
74static inline u32 ivpu_hw_ip_irq_handler(struct ivpu_device *vdev, int irq)
75{
76 return vdev->hw->irq.ip_irq_handler(vdev, irq);
77}
78
79static inline void ivpu_hw_range_init(struct ivpu_addr_range *range, u64 start, u64 size)
80{
81 range->start = start;
82 range->end = start + size;
83}
84
85static inline u64 ivpu_hw_range_size(const struct ivpu_addr_range *range)
86{
87 return range->end - range->start;
88}
89
90static inline u32 ivpu_hw_ratio_to_freq(struct ivpu_device *vdev, u32 ratio)
91{
92 return ivpu_hw_btrs_ratio_to_freq(vdev, ratio);
93}
94
95static inline void ivpu_hw_irq_clear(struct ivpu_device *vdev)
96{
97 ivpu_hw_ip_irq_clear(vdev);
98}
99
100static inline u32 ivpu_hw_pll_freq_get(struct ivpu_device *vdev)
101{
102 return ivpu_hw_btrs_pll_freq_get(vdev);
103}
104
105static inline u32 ivpu_hw_profiling_freq_get(struct ivpu_device *vdev)
106{
107 return vdev->hw->pll.profiling_freq;
108}
109
110static inline void ivpu_hw_diagnose_failure(struct ivpu_device *vdev)
111{
112 ivpu_hw_ip_diagnose_failure(vdev);
113 ivpu_hw_btrs_diagnose_failure(vdev);
114}
115
116static inline u32 ivpu_hw_telemetry_offset_get(struct ivpu_device *vdev)
117{
118 return ivpu_hw_btrs_telemetry_offset_get(vdev);
119}
120
121static inline u32 ivpu_hw_telemetry_size_get(struct ivpu_device *vdev)
122{
123 return ivpu_hw_btrs_telemetry_size_get(vdev);
124}
125
126static inline u32 ivpu_hw_telemetry_enable_get(struct ivpu_device *vdev)
127{
128 return ivpu_hw_btrs_telemetry_enable_get(vdev);
129}
130
131static inline bool ivpu_hw_is_idle(struct ivpu_device *vdev)
132{
133 return ivpu_hw_btrs_is_idle(vdev);
134}
135
136static inline int ivpu_hw_wait_for_idle(struct ivpu_device *vdev)
137{
138 return ivpu_hw_btrs_wait_for_idle(vdev);
139}
140
141static inline void ivpu_hw_ipc_tx_set(struct ivpu_device *vdev, u32 vpu_addr)
142{
143 ivpu_hw_ip_ipc_tx_set(vdev, vpu_addr);
144}
145
146static inline void ivpu_hw_db_set(struct ivpu_device *vdev, u32 db_id)
147{
148 ivpu_hw_ip_db_set(vdev, db_id);
149}
150
151static inline u32 ivpu_hw_ipc_rx_addr_get(struct ivpu_device *vdev)
152{
153 return ivpu_hw_ip_ipc_rx_addr_get(vdev);
154}
155
156static inline u32 ivpu_hw_ipc_rx_count_get(struct ivpu_device *vdev)
157{
158 return ivpu_hw_ip_ipc_rx_count_get(vdev);
159}
160
161#endif /* __IVPU_HW_H__ */