1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
7 #include <linux/platform_device.h>
14 #define LLCC_ROTATOR 4
17 #define LLCC_MDMHPGRW 7
21 #define LLCC_GPUHTW 11
23 #define LLCC_MMUHWT 13
24 #define LLCC_CMPTDMA 15
27 #define LLCC_MDMHPFX 20
28 #define LLCC_MDMPNG 21
35 #define LLCC_WRCACHE 31
38 * struct llcc_slice_desc - Cache slice descriptor
39 * @slice_id: llcc slice id
40 * @slice_size: Size allocated for the llcc slice
42 struct llcc_slice_desc {
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
59 struct llcc_edac_reg_data {
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
85 struct llcc_drv_data {
86 struct regmap *regmap;
87 struct regmap *bcast_regmap;
88 const struct llcc_slice_config *cfg;
93 unsigned long *bitmap;
99 #if IS_ENABLED(CONFIG_QCOM_LLCC)
101 * llcc_slice_getd - get llcc slice descriptor
102 * @uid: usecase_id of the client
104 struct llcc_slice_desc *llcc_slice_getd(u32 uid);
107 * llcc_slice_putd - llcc slice descritpor
108 * @desc: Pointer to llcc slice descriptor
110 void llcc_slice_putd(struct llcc_slice_desc *desc);
113 * llcc_get_slice_id - get slice id
114 * @desc: Pointer to llcc slice descriptor
116 int llcc_get_slice_id(struct llcc_slice_desc *desc);
119 * llcc_get_slice_size - llcc slice size
120 * @desc: Pointer to llcc slice descriptor
122 size_t llcc_get_slice_size(struct llcc_slice_desc *desc);
125 * llcc_slice_activate - Activate the llcc slice
126 * @desc: Pointer to llcc slice descriptor
128 int llcc_slice_activate(struct llcc_slice_desc *desc);
131 * llcc_slice_deactivate - Deactivate the llcc slice
132 * @desc: Pointer to llcc slice descriptor
134 int llcc_slice_deactivate(struct llcc_slice_desc *desc);
137 static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid)
142 static inline void llcc_slice_putd(struct llcc_slice_desc *desc)
147 static inline int llcc_get_slice_id(struct llcc_slice_desc *desc)
152 static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc)
156 static inline int llcc_slice_activate(struct llcc_slice_desc *desc)
161 static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc)