xref: /openbmc/linux/drivers/accel/ivpu/ivpu_hw.h (revision 0ef9d78b)
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 
11 struct 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 
34 struct ivpu_addr_range {
35 	resource_size_t start;
36 	resource_size_t end;
37 };
38 
39 struct 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 
63 extern const struct ivpu_hw_ops ivpu_hw_37xx_ops;
64 extern const struct ivpu_hw_ops ivpu_hw_40xx_ops;
65 
66 static inline int ivpu_hw_info_init(struct ivpu_device *vdev)
67 {
68 	return vdev->hw->ops->info_init(vdev);
69 };
70 
71 static 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 
78 static inline int ivpu_hw_boot_fw(struct ivpu_device *vdev)
79 {
80 	return vdev->hw->ops->boot_fw(vdev);
81 };
82 
83 static inline bool ivpu_hw_is_idle(struct ivpu_device *vdev)
84 {
85 	return vdev->hw->ops->is_idle(vdev);
86 };
87 
88 static 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 
95 static 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 
102 static inline void ivpu_hw_wdt_disable(struct ivpu_device *vdev)
103 {
104 	vdev->hw->ops->wdt_disable(vdev);
105 };
106 
107 /* Register indirect accesses */
108 static 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 
113 static 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 
118 static 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 
123 static 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 
128 static 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 
133 static 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 
138 static 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 
143 static 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 
148 static inline void ivpu_hw_irq_clear(struct ivpu_device *vdev)
149 {
150 	vdev->hw->ops->irq_clear(vdev);
151 };
152 
153 static inline void ivpu_hw_irq_enable(struct ivpu_device *vdev)
154 {
155 	vdev->hw->ops->irq_enable(vdev);
156 };
157 
158 static inline void ivpu_hw_irq_disable(struct ivpu_device *vdev)
159 {
160 	vdev->hw->ops->irq_disable(vdev);
161 };
162 
163 static 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 
169 static inline u64 ivpu_hw_range_size(const struct ivpu_addr_range *range)
170 {
171 	return range->end - range->start;
172 }
173 
174 static 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