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 struct llcc_edac_reg_offset { 82 /* LLCC TRP registers */ 83 u32 trp_ecc_error_status0; 84 u32 trp_ecc_error_status1; 85 u32 trp_ecc_sb_err_syn0; 86 u32 trp_ecc_db_err_syn0; 87 u32 trp_ecc_error_cntr_clear; 88 u32 trp_interrupt_0_status; 89 u32 trp_interrupt_0_clear; 90 u32 trp_interrupt_0_enable; 91 92 /* LLCC Common registers */ 93 u32 cmn_status0; 94 u32 cmn_interrupt_0_enable; 95 u32 cmn_interrupt_2_enable; 96 97 /* LLCC DRP registers */ 98 u32 drp_ecc_error_cfg; 99 u32 drp_ecc_error_cntr_clear; 100 u32 drp_interrupt_status; 101 u32 drp_interrupt_clear; 102 u32 drp_interrupt_enable; 103 u32 drp_ecc_error_status0; 104 u32 drp_ecc_error_status1; 105 u32 drp_ecc_sb_err_syn0; 106 u32 drp_ecc_db_err_syn0; 107 }; 108 109 /** 110 * struct llcc_drv_data - Data associated with the llcc driver 111 * @regmap: regmap associated with the llcc device 112 * @bcast_regmap: regmap associated with llcc broadcast offset 113 * @cfg: pointer to the data structure for slice configuration 114 * @edac_reg_offset: Offset of the LLCC EDAC registers 115 * @lock: mutex associated with each slice 116 * @cfg_size: size of the config data table 117 * @max_slices: max slices as read from device tree 118 * @num_banks: Number of llcc banks 119 * @bitmap: Bit map to track the active slice ids 120 * @offsets: Pointer to the bank offsets array 121 * @ecc_irq: interrupt for llcc cache error detection and reporting 122 * @version: Indicates the LLCC version 123 */ 124 struct llcc_drv_data { 125 struct regmap *regmap; 126 struct regmap *bcast_regmap; 127 const struct llcc_slice_config *cfg; 128 const struct llcc_edac_reg_offset *edac_reg_offset; 129 struct mutex lock; 130 u32 cfg_size; 131 u32 max_slices; 132 u32 num_banks; 133 unsigned long *bitmap; 134 u32 *offsets; 135 int ecc_irq; 136 u32 version; 137 }; 138 139 #if IS_ENABLED(CONFIG_QCOM_LLCC) 140 /** 141 * llcc_slice_getd - get llcc slice descriptor 142 * @uid: usecase_id of the client 143 */ 144 struct llcc_slice_desc *llcc_slice_getd(u32 uid); 145 146 /** 147 * llcc_slice_putd - llcc slice descritpor 148 * @desc: Pointer to llcc slice descriptor 149 */ 150 void llcc_slice_putd(struct llcc_slice_desc *desc); 151 152 /** 153 * llcc_get_slice_id - get slice id 154 * @desc: Pointer to llcc slice descriptor 155 */ 156 int llcc_get_slice_id(struct llcc_slice_desc *desc); 157 158 /** 159 * llcc_get_slice_size - llcc slice size 160 * @desc: Pointer to llcc slice descriptor 161 */ 162 size_t llcc_get_slice_size(struct llcc_slice_desc *desc); 163 164 /** 165 * llcc_slice_activate - Activate the llcc slice 166 * @desc: Pointer to llcc slice descriptor 167 */ 168 int llcc_slice_activate(struct llcc_slice_desc *desc); 169 170 /** 171 * llcc_slice_deactivate - Deactivate the llcc slice 172 * @desc: Pointer to llcc slice descriptor 173 */ 174 int llcc_slice_deactivate(struct llcc_slice_desc *desc); 175 176 #else llcc_slice_getd(u32 uid)177static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid) 178 { 179 return NULL; 180 } 181 llcc_slice_putd(struct llcc_slice_desc * desc)182static inline void llcc_slice_putd(struct llcc_slice_desc *desc) 183 { 184 185 }; 186 llcc_get_slice_id(struct llcc_slice_desc * desc)187static inline int llcc_get_slice_id(struct llcc_slice_desc *desc) 188 { 189 return -EINVAL; 190 } 191 llcc_get_slice_size(struct llcc_slice_desc * desc)192static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc) 193 { 194 return 0; 195 } llcc_slice_activate(struct llcc_slice_desc * desc)196static inline int llcc_slice_activate(struct llcc_slice_desc *desc) 197 { 198 return -EINVAL; 199 } 200 llcc_slice_deactivate(struct llcc_slice_desc * desc)201static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc) 202 { 203 return -EINVAL; 204 } 205 #endif 206 207 #endif 208