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
37 #define LLCC_WRCACHE 31
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_CMPTHCP 39
46 #define LLCC_LCPDARE 40
48 #define LLCC_ISLAND1 46
49 #define LLCC_ISLAND2 47
50 #define LLCC_ISLAND3 48
51 #define LLCC_ISLAND4 49
52 #define LLCC_CAMEXP2 50
53 #define LLCC_CAMEXP3 51
54 #define LLCC_CAMEXP4 52
55 #define LLCC_DISP_WB 53
56 #define LLCC_DISP_1 54
57 #define LLCC_VIDVSP 64
60 * struct llcc_slice_desc - Cache slice descriptor
61 * @slice_id: llcc slice id
62 * @slice_size: Size allocated for the llcc slice
64 struct llcc_slice_desc {
70 * struct llcc_edac_reg_data - llcc edac registers data for each error type
71 * @name: Name of the error
72 * @synd_reg: Syndrome register address
73 * @count_status_reg: Status register address to read the error count
74 * @ways_status_reg: Status register address to read the error ways
75 * @reg_cnt: Number of registers
76 * @count_mask: Mask value to get the error count
77 * @ways_mask: Mask value to get the error ways
78 * @count_shift: Shift value to get the error count
79 * @ways_shift: Shift value to get the error ways
81 struct llcc_edac_reg_data {
93 struct llcc_edac_reg_offset {
94 /* LLCC TRP registers */
95 u32 trp_ecc_error_status0;
96 u32 trp_ecc_error_status1;
97 u32 trp_ecc_sb_err_syn0;
98 u32 trp_ecc_db_err_syn0;
99 u32 trp_ecc_error_cntr_clear;
100 u32 trp_interrupt_0_status;
101 u32 trp_interrupt_0_clear;
102 u32 trp_interrupt_0_enable;
104 /* LLCC Common registers */
106 u32 cmn_interrupt_0_enable;
107 u32 cmn_interrupt_2_enable;
109 /* LLCC DRP registers */
110 u32 drp_ecc_error_cfg;
111 u32 drp_ecc_error_cntr_clear;
112 u32 drp_interrupt_status;
113 u32 drp_interrupt_clear;
114 u32 drp_interrupt_enable;
115 u32 drp_ecc_error_status0;
116 u32 drp_ecc_error_status1;
117 u32 drp_ecc_sb_err_syn0;
118 u32 drp_ecc_db_err_syn0;
122 * struct llcc_drv_data - Data associated with the llcc driver
123 * @regmap: regmap associated with the llcc device
124 * @bcast_regmap: regmap associated with llcc broadcast offset
125 * @cfg: pointer to the data structure for slice configuration
126 * @edac_reg_offset: Offset of the LLCC EDAC registers
127 * @lock: mutex associated with each slice
128 * @cfg_size: size of the config data table
129 * @max_slices: max slices as read from device tree
130 * @num_banks: Number of llcc banks
131 * @bitmap: Bit map to track the active slice ids
132 * @offsets: Pointer to the bank offsets array
133 * @ecc_irq: interrupt for llcc cache error detection and reporting
134 * @version: Indicates the LLCC version
136 struct llcc_drv_data {
137 struct regmap *regmap;
138 struct regmap *bcast_regmap;
139 const struct llcc_slice_config *cfg;
140 const struct llcc_edac_reg_offset *edac_reg_offset;
145 unsigned long *bitmap;
151 #if IS_ENABLED(CONFIG_QCOM_LLCC)
153 * llcc_slice_getd - get llcc slice descriptor
154 * @uid: usecase_id of the client
156 struct llcc_slice_desc *llcc_slice_getd(u32 uid);
159 * llcc_slice_putd - llcc slice descritpor
160 * @desc: Pointer to llcc slice descriptor
162 void llcc_slice_putd(struct llcc_slice_desc *desc);
165 * llcc_get_slice_id - get slice id
166 * @desc: Pointer to llcc slice descriptor
168 int llcc_get_slice_id(struct llcc_slice_desc *desc);
171 * llcc_get_slice_size - llcc slice size
172 * @desc: Pointer to llcc slice descriptor
174 size_t llcc_get_slice_size(struct llcc_slice_desc *desc);
177 * llcc_slice_activate - Activate the llcc slice
178 * @desc: Pointer to llcc slice descriptor
180 int llcc_slice_activate(struct llcc_slice_desc *desc);
183 * llcc_slice_deactivate - Deactivate the llcc slice
184 * @desc: Pointer to llcc slice descriptor
186 int llcc_slice_deactivate(struct llcc_slice_desc *desc);
189 static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid)
194 static inline void llcc_slice_putd(struct llcc_slice_desc *desc)
199 static inline int llcc_get_slice_id(struct llcc_slice_desc *desc)
204 static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc)
208 static inline int llcc_slice_activate(struct llcc_slice_desc *desc)
213 static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc)