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 atomic_t firewall_irq_counter; 56 }; 57 58 int ivpu_hw_init(struct ivpu_device *vdev); 59 int ivpu_hw_power_up(struct ivpu_device *vdev); 60 int ivpu_hw_power_down(struct ivpu_device *vdev); 61 int ivpu_hw_reset(struct ivpu_device *vdev); 62 int ivpu_hw_boot_fw(struct ivpu_device *vdev); 63 void ivpu_hw_profiling_freq_drive(struct ivpu_device *vdev, bool enable); 64 void ivpu_irq_handlers_init(struct ivpu_device *vdev); 65 void ivpu_hw_irq_enable(struct ivpu_device *vdev); 66 void ivpu_hw_irq_disable(struct ivpu_device *vdev); 67 irqreturn_t ivpu_hw_irq_handler(int irq, void *ptr); 68 69 static 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 74 static 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 79 static 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 85 static inline u64 ivpu_hw_range_size(const struct ivpu_addr_range *range) 86 { 87 return range->end - range->start; 88 } 89 90 static 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 95 static inline void ivpu_hw_irq_clear(struct ivpu_device *vdev) 96 { 97 ivpu_hw_ip_irq_clear(vdev); 98 } 99 100 static inline u32 ivpu_hw_pll_freq_get(struct ivpu_device *vdev) 101 { 102 return ivpu_hw_btrs_pll_freq_get(vdev); 103 } 104 105 static inline u32 ivpu_hw_profiling_freq_get(struct ivpu_device *vdev) 106 { 107 return vdev->hw->pll.profiling_freq; 108 } 109 110 static 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 } 115 116 static inline u32 ivpu_hw_telemetry_offset_get(struct ivpu_device *vdev) 117 { 118 return ivpu_hw_btrs_telemetry_offset_get(vdev); 119 } 120 121 static inline u32 ivpu_hw_telemetry_size_get(struct ivpu_device *vdev) 122 { 123 return ivpu_hw_btrs_telemetry_size_get(vdev); 124 } 125 126 static inline u32 ivpu_hw_telemetry_enable_get(struct ivpu_device *vdev) 127 { 128 return ivpu_hw_btrs_telemetry_enable_get(vdev); 129 } 130 131 static inline bool ivpu_hw_is_idle(struct ivpu_device *vdev) 132 { 133 return ivpu_hw_btrs_is_idle(vdev); 134 } 135 136 static inline int ivpu_hw_wait_for_idle(struct ivpu_device *vdev) 137 { 138 return ivpu_hw_btrs_wait_for_idle(vdev); 139 } 140 141 static 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 } 145 146 static inline void ivpu_hw_db_set(struct ivpu_device *vdev, u32 db_id) 147 { 148 ivpu_hw_ip_db_set(vdev, db_id); 149 } 150 151 static inline u32 ivpu_hw_ipc_rx_addr_get(struct ivpu_device *vdev) 152 { 153 return ivpu_hw_ip_ipc_rx_addr_get(vdev); 154 } 155 156 static 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__ */ 162