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_ECC 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_CMPTHCP 39 |
46 | #define LLCC_LCPDARE 40 |
47 | #define LLCC_AENPU 45 |
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 |
58 | |
59 | /** |
60 | * struct llcc_slice_desc - Cache slice descriptor |
61 | * @slice_id: llcc slice id |
62 | * @slice_size: Size allocated for the llcc slice |
63 | */ |
64 | struct llcc_slice_desc { |
65 | u32 slice_id; |
66 | size_t slice_size; |
67 | }; |
68 | |
69 | /** |
70 | * struct llcc_edac_reg_data - llcc edac registers data for each error type |
71 | * @name: Name of the error |
72 | * @reg_cnt: Number of registers |
73 | * @count_mask: Mask value to get the error count |
74 | * @ways_mask: Mask value to get the error ways |
75 | * @count_shift: Shift value to get the error count |
76 | * @ways_shift: Shift value to get the error ways |
77 | */ |
78 | struct llcc_edac_reg_data { |
79 | char *name; |
80 | u32 reg_cnt; |
81 | u32 count_mask; |
82 | u32 ways_mask; |
83 | u8 count_shift; |
84 | u8 ways_shift; |
85 | }; |
86 | |
87 | struct llcc_edac_reg_offset { |
88 | /* LLCC TRP registers */ |
89 | u32 trp_ecc_error_status0; |
90 | u32 trp_ecc_error_status1; |
91 | u32 trp_ecc_sb_err_syn0; |
92 | u32 trp_ecc_db_err_syn0; |
93 | u32 trp_ecc_error_cntr_clear; |
94 | u32 trp_interrupt_0_status; |
95 | u32 trp_interrupt_0_clear; |
96 | u32 trp_interrupt_0_enable; |
97 | |
98 | /* LLCC Common registers */ |
99 | u32 cmn_status0; |
100 | u32 cmn_interrupt_0_enable; |
101 | u32 cmn_interrupt_2_enable; |
102 | |
103 | /* LLCC DRP registers */ |
104 | u32 drp_ecc_error_cfg; |
105 | u32 drp_ecc_error_cntr_clear; |
106 | u32 drp_interrupt_status; |
107 | u32 drp_interrupt_clear; |
108 | u32 drp_interrupt_enable; |
109 | u32 drp_ecc_error_status0; |
110 | u32 drp_ecc_error_status1; |
111 | u32 drp_ecc_sb_err_syn0; |
112 | u32 drp_ecc_db_err_syn0; |
113 | }; |
114 | |
115 | /** |
116 | * struct llcc_drv_data - Data associated with the llcc driver |
117 | * @regmaps: regmaps associated with the llcc device |
118 | * @bcast_regmap: regmap associated with llcc broadcast offset |
119 | * @cfg: pointer to the data structure for slice configuration |
120 | * @edac_reg_offset: Offset of the LLCC EDAC registers |
121 | * @lock: mutex associated with each slice |
122 | * @cfg_size: size of the config data table |
123 | * @max_slices: max slices as read from device tree |
124 | * @num_banks: Number of llcc banks |
125 | * @bitmap: Bit map to track the active slice ids |
126 | * @ecc_irq: interrupt for llcc cache error detection and reporting |
127 | * @version: Indicates the LLCC version |
128 | */ |
129 | struct llcc_drv_data { |
130 | struct regmap **regmaps; |
131 | struct regmap *bcast_regmap; |
132 | const struct llcc_slice_config *cfg; |
133 | const struct llcc_edac_reg_offset *edac_reg_offset; |
134 | struct mutex lock; |
135 | u32 cfg_size; |
136 | u32 max_slices; |
137 | u32 num_banks; |
138 | unsigned long *bitmap; |
139 | int ecc_irq; |
140 | u32 version; |
141 | }; |
142 | |
143 | #if IS_ENABLED(CONFIG_QCOM_LLCC) |
144 | /** |
145 | * llcc_slice_getd - get llcc slice descriptor |
146 | * @uid: usecase_id of the client |
147 | */ |
148 | struct llcc_slice_desc *llcc_slice_getd(u32 uid); |
149 | |
150 | /** |
151 | * llcc_slice_putd - llcc slice descritpor |
152 | * @desc: Pointer to llcc slice descriptor |
153 | */ |
154 | void llcc_slice_putd(struct llcc_slice_desc *desc); |
155 | |
156 | /** |
157 | * llcc_get_slice_id - get slice id |
158 | * @desc: Pointer to llcc slice descriptor |
159 | */ |
160 | int llcc_get_slice_id(struct llcc_slice_desc *desc); |
161 | |
162 | /** |
163 | * llcc_get_slice_size - llcc slice size |
164 | * @desc: Pointer to llcc slice descriptor |
165 | */ |
166 | size_t llcc_get_slice_size(struct llcc_slice_desc *desc); |
167 | |
168 | /** |
169 | * llcc_slice_activate - Activate the llcc slice |
170 | * @desc: Pointer to llcc slice descriptor |
171 | */ |
172 | int llcc_slice_activate(struct llcc_slice_desc *desc); |
173 | |
174 | /** |
175 | * llcc_slice_deactivate - Deactivate the llcc slice |
176 | * @desc: Pointer to llcc slice descriptor |
177 | */ |
178 | int llcc_slice_deactivate(struct llcc_slice_desc *desc); |
179 | |
180 | #else |
181 | static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid) |
182 | { |
183 | return NULL; |
184 | } |
185 | |
186 | static inline void llcc_slice_putd(struct llcc_slice_desc *desc) |
187 | { |
188 | |
189 | }; |
190 | |
191 | static inline int llcc_get_slice_id(struct llcc_slice_desc *desc) |
192 | { |
193 | return -EINVAL; |
194 | } |
195 | |
196 | static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc) |
197 | { |
198 | return 0; |
199 | } |
200 | static inline int llcc_slice_activate(struct llcc_slice_desc *desc) |
201 | { |
202 | return -EINVAL; |
203 | } |
204 | |
205 | static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc) |
206 | { |
207 | return -EINVAL; |
208 | } |
209 | #endif |
210 | |
211 | #endif |
212 | |