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 * @reg_cnt: Number of registers 61 * @count_mask: Mask value to get the error count 62 * @ways_mask: Mask value to get the error ways 63 * @count_shift: Shift value to get the error count 64 * @ways_shift: Shift value to get the error ways 65 */ 66 struct llcc_edac_reg_data { 67 char *name; 68 u32 reg_cnt; 69 u32 count_mask; 70 u32 ways_mask; 71 u8 count_shift; 72 u8 ways_shift; 73 }; 74 75 struct llcc_edac_reg_offset { 76 /* LLCC TRP registers */ 77 u32 trp_ecc_error_status0; 78 u32 trp_ecc_error_status1; 79 u32 trp_ecc_sb_err_syn0; 80 u32 trp_ecc_db_err_syn0; 81 u32 trp_ecc_error_cntr_clear; 82 u32 trp_interrupt_0_status; 83 u32 trp_interrupt_0_clear; 84 u32 trp_interrupt_0_enable; 85 86 /* LLCC Common registers */ 87 u32 cmn_status0; 88 u32 cmn_interrupt_0_enable; 89 u32 cmn_interrupt_2_enable; 90 91 /* LLCC DRP registers */ 92 u32 drp_ecc_error_cfg; 93 u32 drp_ecc_error_cntr_clear; 94 u32 drp_interrupt_status; 95 u32 drp_interrupt_clear; 96 u32 drp_interrupt_enable; 97 u32 drp_ecc_error_status0; 98 u32 drp_ecc_error_status1; 99 u32 drp_ecc_sb_err_syn0; 100 u32 drp_ecc_db_err_syn0; 101 }; 102 103 /** 104 * struct llcc_drv_data - Data associated with the llcc driver 105 * @regmaps: regmaps associated with the llcc device 106 * @bcast_regmap: regmap associated with llcc broadcast offset 107 * @cfg: pointer to the data structure for slice configuration 108 * @edac_reg_offset: Offset of the LLCC EDAC registers 109 * @lock: mutex associated with each slice 110 * @cfg_size: size of the config data table 111 * @max_slices: max slices as read from device tree 112 * @num_banks: Number of llcc banks 113 * @bitmap: Bit map to track the active slice ids 114 * @ecc_irq: interrupt for llcc cache error detection and reporting 115 * @version: Indicates the LLCC version 116 */ 117 struct llcc_drv_data { 118 struct regmap **regmaps; 119 struct regmap *bcast_regmap; 120 const struct llcc_slice_config *cfg; 121 const struct llcc_edac_reg_offset *edac_reg_offset; 122 struct mutex lock; 123 u32 cfg_size; 124 u32 max_slices; 125 u32 num_banks; 126 unsigned long *bitmap; 127 int ecc_irq; 128 u32 version; 129 }; 130 131 #if IS_ENABLED(CONFIG_QCOM_LLCC) 132 /** 133 * llcc_slice_getd - get llcc slice descriptor 134 * @uid: usecase_id of the client 135 */ 136 struct llcc_slice_desc *llcc_slice_getd(u32 uid); 137 138 /** 139 * llcc_slice_putd - llcc slice descritpor 140 * @desc: Pointer to llcc slice descriptor 141 */ 142 void llcc_slice_putd(struct llcc_slice_desc *desc); 143 144 /** 145 * llcc_get_slice_id - get slice id 146 * @desc: Pointer to llcc slice descriptor 147 */ 148 int llcc_get_slice_id(struct llcc_slice_desc *desc); 149 150 /** 151 * llcc_get_slice_size - llcc slice size 152 * @desc: Pointer to llcc slice descriptor 153 */ 154 size_t llcc_get_slice_size(struct llcc_slice_desc *desc); 155 156 /** 157 * llcc_slice_activate - Activate the llcc slice 158 * @desc: Pointer to llcc slice descriptor 159 */ 160 int llcc_slice_activate(struct llcc_slice_desc *desc); 161 162 /** 163 * llcc_slice_deactivate - Deactivate the llcc slice 164 * @desc: Pointer to llcc slice descriptor 165 */ 166 int llcc_slice_deactivate(struct llcc_slice_desc *desc); 167 168 #else llcc_slice_getd(u32 uid)169static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid) 170 { 171 return NULL; 172 } 173 llcc_slice_putd(struct llcc_slice_desc * desc)174static inline void llcc_slice_putd(struct llcc_slice_desc *desc) 175 { 176 177 }; 178 llcc_get_slice_id(struct llcc_slice_desc * desc)179static inline int llcc_get_slice_id(struct llcc_slice_desc *desc) 180 { 181 return -EINVAL; 182 } 183 llcc_get_slice_size(struct llcc_slice_desc * desc)184static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc) 185 { 186 return 0; 187 } llcc_slice_activate(struct llcc_slice_desc * desc)188static inline int llcc_slice_activate(struct llcc_slice_desc *desc) 189 { 190 return -EINVAL; 191 } 192 llcc_slice_deactivate(struct llcc_slice_desc * desc)193static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc) 194 { 195 return -EINVAL; 196 } 197 #endif 198 199 #endif 200