1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved. 4 * 5 */ 6 7 #include <linux/platform_device.h> 8 #ifndef __LLCC_QCOM__ 9 #define __LLCC_QCOM__ 10 11 #define LLCC_CPUSS 1 12 #define LLCC_VIDSC0 2 13 #define LLCC_VIDSC1 3 14 #define LLCC_ROTATOR 4 15 #define LLCC_VOICE 5 16 #define LLCC_AUDIO 6 17 #define LLCC_MDMHPGRW 7 18 #define LLCC_MDM 8 19 #define LLCC_MODHW 9 20 #define LLCC_CMPT 10 21 #define LLCC_GPUHTW 11 22 #define LLCC_GPU 12 23 #define LLCC_MMUHWT 13 24 #define LLCC_CMPTDMA 15 25 #define LLCC_DISP 16 26 #define LLCC_VIDFW 17 27 #define LLCC_MDMHPFX 20 28 #define LLCC_MDMPNG 21 29 #define LLCC_AUDHW 22 30 #define LLCC_NPU 23 31 #define LLCC_WLHW 24 32 #define LLCC_CVP 28 33 #define LLCC_MODPE 29 34 #define LLCC_APTCM 30 35 #define LLCC_WRCACHE 31 36 #define LLCC_CVPFW 32 37 #define LLCC_CPUSS1 33 38 #define LLCC_CPUHWT 36 39 40 /** 41 * struct llcc_slice_desc - Cache slice descriptor 42 * @slice_id: llcc slice id 43 * @slice_size: Size allocated for the llcc slice 44 */ 45 struct llcc_slice_desc { 46 u32 slice_id; 47 size_t slice_size; 48 }; 49 50 /** 51 * struct llcc_edac_reg_data - llcc edac registers data for each error type 52 * @name: Name of the error 53 * @synd_reg: Syndrome register address 54 * @count_status_reg: Status register address to read the error count 55 * @ways_status_reg: Status register address to read the error ways 56 * @reg_cnt: Number of registers 57 * @count_mask: Mask value to get the error count 58 * @ways_mask: Mask value to get the error ways 59 * @count_shift: Shift value to get the error count 60 * @ways_shift: Shift value to get the error ways 61 */ 62 struct llcc_edac_reg_data { 63 char *name; 64 u64 synd_reg; 65 u64 count_status_reg; 66 u64 ways_status_reg; 67 u32 reg_cnt; 68 u32 count_mask; 69 u32 ways_mask; 70 u8 count_shift; 71 u8 ways_shift; 72 }; 73 74 /** 75 * struct llcc_drv_data - Data associated with the llcc driver 76 * @regmap: regmap associated with the llcc device 77 * @bcast_regmap: regmap associated with llcc broadcast offset 78 * @cfg: pointer to the data structure for slice configuration 79 * @lock: mutex associated with each slice 80 * @cfg_size: size of the config data table 81 * @max_slices: max slices as read from device tree 82 * @num_banks: Number of llcc banks 83 * @bitmap: Bit map to track the active slice ids 84 * @offsets: Pointer to the bank offsets array 85 * @ecc_irq: interrupt for llcc cache error detection and reporting 86 * @major_version: Indicates the LLCC major version 87 */ 88 struct llcc_drv_data { 89 struct regmap *regmap; 90 struct regmap *bcast_regmap; 91 const struct llcc_slice_config *cfg; 92 struct mutex lock; 93 u32 cfg_size; 94 u32 max_slices; 95 u32 num_banks; 96 unsigned long *bitmap; 97 u32 *offsets; 98 int ecc_irq; 99 u32 major_version; 100 }; 101 102 #if IS_ENABLED(CONFIG_QCOM_LLCC) 103 /** 104 * llcc_slice_getd - get llcc slice descriptor 105 * @uid: usecase_id of the client 106 */ 107 struct llcc_slice_desc *llcc_slice_getd(u32 uid); 108 109 /** 110 * llcc_slice_putd - llcc slice descritpor 111 * @desc: Pointer to llcc slice descriptor 112 */ 113 void llcc_slice_putd(struct llcc_slice_desc *desc); 114 115 /** 116 * llcc_get_slice_id - get slice id 117 * @desc: Pointer to llcc slice descriptor 118 */ 119 int llcc_get_slice_id(struct llcc_slice_desc *desc); 120 121 /** 122 * llcc_get_slice_size - llcc slice size 123 * @desc: Pointer to llcc slice descriptor 124 */ 125 size_t llcc_get_slice_size(struct llcc_slice_desc *desc); 126 127 /** 128 * llcc_slice_activate - Activate the llcc slice 129 * @desc: Pointer to llcc slice descriptor 130 */ 131 int llcc_slice_activate(struct llcc_slice_desc *desc); 132 133 /** 134 * llcc_slice_deactivate - Deactivate the llcc slice 135 * @desc: Pointer to llcc slice descriptor 136 */ 137 int llcc_slice_deactivate(struct llcc_slice_desc *desc); 138 139 #else 140 static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid) 141 { 142 return NULL; 143 } 144 145 static inline void llcc_slice_putd(struct llcc_slice_desc *desc) 146 { 147 148 }; 149 150 static inline int llcc_get_slice_id(struct llcc_slice_desc *desc) 151 { 152 return -EINVAL; 153 } 154 155 static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc) 156 { 157 return 0; 158 } 159 static inline int llcc_slice_activate(struct llcc_slice_desc *desc) 160 { 161 return -EINVAL; 162 } 163 164 static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc) 165 { 166 return -EINVAL; 167 } 168 #endif 169 170 #endif 171