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 OR offset
119 * @bcast_and_regmap: regmap associated with llcc broadcast AND offset
120 * @cfg: pointer to the data structure for slice configuration
121 * @edac_reg_offset: Offset of the LLCC EDAC registers
122 * @lock: mutex associated with each slice
123 * @cfg_size: size of the config data table
124 * @max_slices: max slices as read from device tree
125 * @num_banks: Number of llcc banks
126 * @bitmap: Bit map to track the active slice ids
127 * @ecc_irq: interrupt for llcc cache error detection and reporting
128 * @version: Indicates the LLCC version
129 */
130 struct llcc_drv_data {
131 struct regmap **regmaps;
132 struct regmap *bcast_regmap;
133 struct regmap *bcast_and_regmap;
134 const struct llcc_slice_config *cfg;
135 const struct llcc_edac_reg_offset *edac_reg_offset;
136 struct mutex lock;
137 u32 cfg_size;
138 u32 max_slices;
139 u32 num_banks;
140 unsigned long *bitmap;
141 int ecc_irq;
142 u32 version;
143 };
144
145 #if IS_ENABLED(CONFIG_QCOM_LLCC)
146 /**
147 * llcc_slice_getd - get llcc slice descriptor
148 * @uid: usecase_id of the client
149 */
150 struct llcc_slice_desc *llcc_slice_getd(u32 uid);
151
152 /**
153 * llcc_slice_putd - llcc slice descritpor
154 * @desc: Pointer to llcc slice descriptor
155 */
156 void llcc_slice_putd(struct llcc_slice_desc *desc);
157
158 /**
159 * llcc_get_slice_id - get slice id
160 * @desc: Pointer to llcc slice descriptor
161 */
162 int llcc_get_slice_id(struct llcc_slice_desc *desc);
163
164 /**
165 * llcc_get_slice_size - llcc slice size
166 * @desc: Pointer to llcc slice descriptor
167 */
168 size_t llcc_get_slice_size(struct llcc_slice_desc *desc);
169
170 /**
171 * llcc_slice_activate - Activate the llcc slice
172 * @desc: Pointer to llcc slice descriptor
173 */
174 int llcc_slice_activate(struct llcc_slice_desc *desc);
175
176 /**
177 * llcc_slice_deactivate - Deactivate the llcc slice
178 * @desc: Pointer to llcc slice descriptor
179 */
180 int llcc_slice_deactivate(struct llcc_slice_desc *desc);
181
182 #else
183 static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid)
184 {
185 return NULL;
186 }
187
188 static inline void llcc_slice_putd(struct llcc_slice_desc *desc)
189 {
190
191 };
192
193 static inline int llcc_get_slice_id(struct llcc_slice_desc *desc)
194 {
195 return -EINVAL;
196 }
197
198 static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc)
199 {
200 return 0;
201 }
202 static inline int llcc_slice_activate(struct llcc_slice_desc *desc)
203 {
204 return -EINVAL;
205 }
206
207 static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc)
208 {
209 return -EINVAL;
210 }
211 #endif
212
213 #endif
214
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