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_CAMEXP0 34 39 #define LLCC_CPUMTE 35 40 #define LLCC_CPUHWT 36 41 #define LLCC_MDMCLAD2 37 42 #define LLCC_CAMEXP1 38 43 #define LLCC_AENPU 45 44 45 /** 46 * struct llcc_slice_desc - Cache slice descriptor 47 * @slice_id: llcc slice id 48 * @slice_size: Size allocated for the llcc slice 49 */ 50 struct llcc_slice_desc { 51 u32 slice_id; 52 size_t slice_size; 53 }; 54 55 /** 56 * struct llcc_edac_reg_data - llcc edac registers data for each error type 57 * @name: Name of the error 58 * @synd_reg: Syndrome register address 59 * @count_status_reg: Status register address to read the error count 60 * @ways_status_reg: Status register address to read the error ways 61 * @reg_cnt: Number of registers 62 * @count_mask: Mask value to get the error count 63 * @ways_mask: Mask value to get the error ways 64 * @count_shift: Shift value to get the error count 65 * @ways_shift: Shift value to get the error ways 66 */ 67 struct llcc_edac_reg_data { 68 char *name; 69 u64 synd_reg; 70 u64 count_status_reg; 71 u64 ways_status_reg; 72 u32 reg_cnt; 73 u32 count_mask; 74 u32 ways_mask; 75 u8 count_shift; 76 u8 ways_shift; 77 }; 78 79 /** 80 * struct llcc_drv_data - Data associated with the llcc driver 81 * @regmap: regmap associated with the llcc device 82 * @bcast_regmap: regmap associated with llcc broadcast offset 83 * @cfg: pointer to the data structure for slice configuration 84 * @lock: mutex associated with each slice 85 * @cfg_size: size of the config data table 86 * @max_slices: max slices as read from device tree 87 * @num_banks: Number of llcc banks 88 * @bitmap: Bit map to track the active slice ids 89 * @offsets: Pointer to the bank offsets array 90 * @ecc_irq: interrupt for llcc cache error detection and reporting 91 * @version: Indicates the LLCC version 92 */ 93 struct llcc_drv_data { 94 struct regmap *regmap; 95 struct regmap *bcast_regmap; 96 const struct llcc_slice_config *cfg; 97 struct mutex lock; 98 u32 cfg_size; 99 u32 max_slices; 100 u32 num_banks; 101 unsigned long *bitmap; 102 u32 *offsets; 103 int ecc_irq; 104 u32 version; 105 }; 106 107 #if IS_ENABLED(CONFIG_QCOM_LLCC) 108 /** 109 * llcc_slice_getd - get llcc slice descriptor 110 * @uid: usecase_id of the client 111 */ 112 struct llcc_slice_desc *llcc_slice_getd(u32 uid); 113 114 /** 115 * llcc_slice_putd - llcc slice descritpor 116 * @desc: Pointer to llcc slice descriptor 117 */ 118 void llcc_slice_putd(struct llcc_slice_desc *desc); 119 120 /** 121 * llcc_get_slice_id - get slice id 122 * @desc: Pointer to llcc slice descriptor 123 */ 124 int llcc_get_slice_id(struct llcc_slice_desc *desc); 125 126 /** 127 * llcc_get_slice_size - llcc slice size 128 * @desc: Pointer to llcc slice descriptor 129 */ 130 size_t llcc_get_slice_size(struct llcc_slice_desc *desc); 131 132 /** 133 * llcc_slice_activate - Activate the llcc slice 134 * @desc: Pointer to llcc slice descriptor 135 */ 136 int llcc_slice_activate(struct llcc_slice_desc *desc); 137 138 /** 139 * llcc_slice_deactivate - Deactivate the llcc slice 140 * @desc: Pointer to llcc slice descriptor 141 */ 142 int llcc_slice_deactivate(struct llcc_slice_desc *desc); 143 144 #else 145 static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid) 146 { 147 return NULL; 148 } 149 150 static inline void llcc_slice_putd(struct llcc_slice_desc *desc) 151 { 152 153 }; 154 155 static inline int llcc_get_slice_id(struct llcc_slice_desc *desc) 156 { 157 return -EINVAL; 158 } 159 160 static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc) 161 { 162 return 0; 163 } 164 static inline int llcc_slice_activate(struct llcc_slice_desc *desc) 165 { 166 return -EINVAL; 167 } 168 169 static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc) 170 { 171 return -EINVAL; 172 } 173 #endif 174 175 #endif 176