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 */
64struct 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 */
78struct 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
87struct 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 */
129struct 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 */
148struct 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 */
154void 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 */
160int 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 */
166size_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 */
172int 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 */
178int llcc_slice_deactivate(struct llcc_slice_desc *desc);
179
180#else
181static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid)
182{
183 return NULL;
184}
185
186static inline void llcc_slice_putd(struct llcc_slice_desc *desc)
187{
188
189};
190
191static inline int llcc_get_slice_id(struct llcc_slice_desc *desc)
192{
193 return -EINVAL;
194}
195
196static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc)
197{
198 return 0;
199}
200static inline int llcc_slice_activate(struct llcc_slice_desc *desc)
201{
202 return -EINVAL;
203}
204
205static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc)
206{
207 return -EINVAL;
208}
209#endif
210
211#endif
212

source code of linux/include/linux/soc/qcom/llcc-qcom.h