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_PIMEM 25 33 #define LLCC_DRE 26 34 #define LLCC_CVP 28 35 #define LLCC_MODPE 29 36 #define LLCC_APTCM 30 37 #define LLCC_WRCACHE 31 38 #define LLCC_CVPFW 32 39 #define LLCC_CPUSS1 33 40 #define LLCC_CAMEXP0 34 41 #define LLCC_CPUMTE 35 42 #define LLCC_CPUHWT 36 43 #define LLCC_MDMCLAD2 37 44 #define LLCC_CAMEXP1 38 45 #define LLCC_AENPU 45 46 47 /** 48 * struct llcc_slice_desc - Cache slice descriptor 49 * @slice_id: llcc slice id 50 * @slice_size: Size allocated for the llcc slice 51 */ 52 struct llcc_slice_desc { 53 u32 slice_id; 54 size_t slice_size; 55 }; 56 57 /** 58 * struct llcc_edac_reg_data - llcc edac registers data for each error type 59 * @name: Name of the error 60 * @synd_reg: Syndrome register address 61 * @count_status_reg: Status register address to read the error count 62 * @ways_status_reg: Status register address to read the error ways 63 * @reg_cnt: Number of registers 64 * @count_mask: Mask value to get the error count 65 * @ways_mask: Mask value to get the error ways 66 * @count_shift: Shift value to get the error count 67 * @ways_shift: Shift value to get the error ways 68 */ 69 struct llcc_edac_reg_data { 70 char *name; 71 u64 synd_reg; 72 u64 count_status_reg; 73 u64 ways_status_reg; 74 u32 reg_cnt; 75 u32 count_mask; 76 u32 ways_mask; 77 u8 count_shift; 78 u8 ways_shift; 79 }; 80 81 /** 82 * struct llcc_drv_data - Data associated with the llcc driver 83 * @regmap: regmap associated with the llcc device 84 * @bcast_regmap: regmap associated with llcc broadcast offset 85 * @cfg: pointer to the data structure for slice configuration 86 * @lock: mutex associated with each slice 87 * @cfg_size: size of the config data table 88 * @max_slices: max slices as read from device tree 89 * @num_banks: Number of llcc banks 90 * @bitmap: Bit map to track the active slice ids 91 * @offsets: Pointer to the bank offsets array 92 * @ecc_irq: interrupt for llcc cache error detection and reporting 93 * @version: Indicates the LLCC version 94 */ 95 struct llcc_drv_data { 96 struct regmap *regmap; 97 struct regmap *bcast_regmap; 98 const struct llcc_slice_config *cfg; 99 struct mutex lock; 100 u32 cfg_size; 101 u32 max_slices; 102 u32 num_banks; 103 unsigned long *bitmap; 104 u32 *offsets; 105 int ecc_irq; 106 u32 version; 107 }; 108 109 #if IS_ENABLED(CONFIG_QCOM_LLCC) 110 /** 111 * llcc_slice_getd - get llcc slice descriptor 112 * @uid: usecase_id of the client 113 */ 114 struct llcc_slice_desc *llcc_slice_getd(u32 uid); 115 116 /** 117 * llcc_slice_putd - llcc slice descritpor 118 * @desc: Pointer to llcc slice descriptor 119 */ 120 void llcc_slice_putd(struct llcc_slice_desc *desc); 121 122 /** 123 * llcc_get_slice_id - get slice id 124 * @desc: Pointer to llcc slice descriptor 125 */ 126 int llcc_get_slice_id(struct llcc_slice_desc *desc); 127 128 /** 129 * llcc_get_slice_size - llcc slice size 130 * @desc: Pointer to llcc slice descriptor 131 */ 132 size_t llcc_get_slice_size(struct llcc_slice_desc *desc); 133 134 /** 135 * llcc_slice_activate - Activate the llcc slice 136 * @desc: Pointer to llcc slice descriptor 137 */ 138 int llcc_slice_activate(struct llcc_slice_desc *desc); 139 140 /** 141 * llcc_slice_deactivate - Deactivate the llcc slice 142 * @desc: Pointer to llcc slice descriptor 143 */ 144 int llcc_slice_deactivate(struct llcc_slice_desc *desc); 145 146 #else 147 static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid) 148 { 149 return NULL; 150 } 151 152 static inline void llcc_slice_putd(struct llcc_slice_desc *desc) 153 { 154 155 }; 156 157 static inline int llcc_get_slice_id(struct llcc_slice_desc *desc) 158 { 159 return -EINVAL; 160 } 161 162 static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc) 163 { 164 return 0; 165 } 166 static inline int llcc_slice_activate(struct llcc_slice_desc *desc) 167 { 168 return -EINVAL; 169 } 170 171 static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc) 172 { 173 return -EINVAL; 174 } 175 #endif 176 177 #endif 178