xref: /linux/drivers/accel/ivpu/ivpu_hw.h (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
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 
21 struct ivpu_addr_range {
22 	resource_size_t start;
23 	resource_size_t end;
24 };
25 
26 struct 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 
57 int ivpu_hw_init(struct ivpu_device *vdev);
58 int ivpu_hw_power_up(struct ivpu_device *vdev);
59 int ivpu_hw_power_down(struct ivpu_device *vdev);
60 int ivpu_hw_reset(struct ivpu_device *vdev);
61 int ivpu_hw_boot_fw(struct ivpu_device *vdev);
62 void ivpu_hw_profiling_freq_drive(struct ivpu_device *vdev, bool enable);
63 void ivpu_irq_handlers_init(struct ivpu_device *vdev);
64 void ivpu_hw_irq_enable(struct ivpu_device *vdev);
65 void ivpu_hw_irq_disable(struct ivpu_device *vdev);
66 irqreturn_t ivpu_hw_irq_handler(int irq, void *ptr);
67 
68 static 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 
73 static 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 
78 static 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 
84 static inline u64 ivpu_hw_range_size(const struct ivpu_addr_range *range)
85 {
86 	return range->end - range->start;
87 }
88 
89 static 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 
94 static inline void ivpu_hw_irq_clear(struct ivpu_device *vdev)
95 {
96 	ivpu_hw_ip_irq_clear(vdev);
97 }
98 
99 static inline u32 ivpu_hw_pll_freq_get(struct ivpu_device *vdev)
100 {
101 	return ivpu_hw_btrs_pll_freq_get(vdev);
102 }
103 
104 static inline u32 ivpu_hw_profiling_freq_get(struct ivpu_device *vdev)
105 {
106 	return vdev->hw->pll.profiling_freq;
107 }
108 
109 static 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 
115 static inline u32 ivpu_hw_telemetry_offset_get(struct ivpu_device *vdev)
116 {
117 	return ivpu_hw_btrs_telemetry_offset_get(vdev);
118 }
119 
120 static inline u32 ivpu_hw_telemetry_size_get(struct ivpu_device *vdev)
121 {
122 	return ivpu_hw_btrs_telemetry_size_get(vdev);
123 }
124 
125 static inline u32 ivpu_hw_telemetry_enable_get(struct ivpu_device *vdev)
126 {
127 	return ivpu_hw_btrs_telemetry_enable_get(vdev);
128 }
129 
130 static inline bool ivpu_hw_is_idle(struct ivpu_device *vdev)
131 {
132 	return ivpu_hw_btrs_is_idle(vdev);
133 }
134 
135 static inline int ivpu_hw_wait_for_idle(struct ivpu_device *vdev)
136 {
137 	return ivpu_hw_btrs_wait_for_idle(vdev);
138 }
139 
140 static 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 
145 static 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 
150 static 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 
155 static 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__ */
161