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