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