Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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_CAMFW 18
28#define LLCC_MDMHPFX 20
29#define LLCC_MDMPNG 21
30#define LLCC_AUDHW 22
31#define LLCC_NPU 23
32#define LLCC_WLHW 24
33#define LLCC_PIMEM 25
34#define LLCC_ECC 26
35#define LLCC_CVP 28
36#define LLCC_MODPE 29
37#define LLCC_APTCM 30
38#define LLCC_WRCACHE 31
39#define LLCC_CVPFW 32
40#define LLCC_CPUSS1 33
41#define LLCC_CAMEXP0 34
42#define LLCC_CPUMTE 35
43#define LLCC_CPUHWT 36
44#define LLCC_MDMCLAD2 37
45#define LLCC_CAMEXP1 38
46#define LLCC_CMPTHCP 39
47#define LLCC_LCPDARE 40
48#define LLCC_AENPU 45
49#define LLCC_ISLAND1 46
50#define LLCC_ISLAND2 47
51#define LLCC_ISLAND3 48
52#define LLCC_ISLAND4 49
53#define LLCC_CAMEXP2 50
54#define LLCC_CAMEXP3 51
55#define LLCC_CAMEXP4 52
56#define LLCC_DISP_WB 53
57#define LLCC_DISP_1 54
58#define LLCC_VIEYE 57
59#define LLCC_VIDPTH 58
60#define LLCC_GPUMV 59
61#define LLCC_EVA_LEFT 60
62#define LLCC_EVA_RIGHT 61
63#define LLCC_EVAGAIN 62
64#define LLCC_VIPTH 63
65#define LLCC_VIDVSP 64
66#define LLCC_DISP_LEFT 65
67#define LLCC_DISP_RIGHT 66
68#define LLCC_EVCS_LEFT 67
69#define LLCC_EVCS_RIGHT 68
70#define LLCC_SPAD 69
71#define LLCC_VIDDEC 70
72#define LLCC_CAMOFE 71
73#define LLCC_CAMRTIP 72
74#define LLCC_CAMSRTIP 73
75#define LLCC_CAMRTRF 74
76#define LLCC_CAMSRTRF 75
77#define LLCC_VIDEO_APV 83
78#define LLCC_COMPUTE1 87
79#define LLCC_CPUSS_OPP 88
80#define LLCC_CPUSSMPAM 89
81#define LLCC_CAM_IPE_STROV 92
82#define LLCC_CAM_OFE_STROV 93
83#define LLCC_CPUSS_HEU 94
84#define LLCC_MDM_PNG_FIXED 100
85
86/**
87 * struct llcc_slice_desc - Cache slice descriptor
88 * @slice_id: llcc slice id
89 * @slice_size: Size allocated for the llcc slice
90 */
91struct llcc_slice_desc {
92 u32 slice_id;
93 size_t slice_size;
94};
95
96/**
97 * struct llcc_edac_reg_data - llcc edac registers data for each error type
98 * @name: Name of the error
99 * @reg_cnt: Number of registers
100 * @count_mask: Mask value to get the error count
101 * @ways_mask: Mask value to get the error ways
102 * @count_shift: Shift value to get the error count
103 * @ways_shift: Shift value to get the error ways
104 */
105struct llcc_edac_reg_data {
106 char *name;
107 u32 reg_cnt;
108 u32 count_mask;
109 u32 ways_mask;
110 u8 count_shift;
111 u8 ways_shift;
112};
113
114struct llcc_edac_reg_offset {
115 /* LLCC TRP registers */
116 u32 trp_ecc_error_status0;
117 u32 trp_ecc_error_status1;
118 u32 trp_ecc_sb_err_syn0;
119 u32 trp_ecc_db_err_syn0;
120 u32 trp_ecc_error_cntr_clear;
121 u32 trp_interrupt_0_status;
122 u32 trp_interrupt_0_clear;
123 u32 trp_interrupt_0_enable;
124
125 /* LLCC Common registers */
126 u32 cmn_status0;
127 u32 cmn_interrupt_0_enable;
128 u32 cmn_interrupt_2_enable;
129
130 /* LLCC DRP registers */
131 u32 drp_ecc_error_cfg;
132 u32 drp_ecc_error_cntr_clear;
133 u32 drp_interrupt_status;
134 u32 drp_interrupt_clear;
135 u32 drp_interrupt_enable;
136 u32 drp_ecc_error_status0;
137 u32 drp_ecc_error_status1;
138 u32 drp_ecc_sb_err_syn0;
139 u32 drp_ecc_db_err_syn0;
140};
141
142/**
143 * struct llcc_drv_data - Data associated with the llcc driver
144 * @regmaps: regmaps associated with the llcc device
145 * @bcast_regmap: regmap associated with llcc broadcast OR offset
146 * @bcast_and_regmap: regmap associated with llcc broadcast AND offset
147 * @cfg: pointer to the data structure for slice configuration
148 * @edac_reg_offset: Offset of the LLCC EDAC registers
149 * @lock: mutex associated with each slice
150 * @cfg_size: size of the config data table
151 * @max_slices: max slices as read from device tree
152 * @num_banks: Number of llcc banks
153 * @bitmap: Bit map to track the active slice ids
154 * @ecc_irq: interrupt for llcc cache error detection and reporting
155 * @ecc_irq_configured: 'True' if firmware has already configured the irq propagation
156 * @version: Indicates the LLCC version
157 */
158struct llcc_drv_data {
159 struct regmap **regmaps;
160 struct regmap *bcast_regmap;
161 struct regmap *bcast_and_regmap;
162 const struct llcc_slice_config *cfg;
163 const struct llcc_edac_reg_offset *edac_reg_offset;
164 struct mutex lock;
165 u32 cfg_size;
166 u32 max_slices;
167 u32 num_banks;
168 unsigned long *bitmap;
169 int ecc_irq;
170 bool ecc_irq_configured;
171 u32 version;
172};
173
174#if IS_ENABLED(CONFIG_QCOM_LLCC)
175/**
176 * llcc_slice_getd - get llcc slice descriptor
177 * @uid: usecase_id of the client
178 */
179struct llcc_slice_desc *llcc_slice_getd(u32 uid);
180
181/**
182 * llcc_slice_putd - llcc slice descritpor
183 * @desc: Pointer to llcc slice descriptor
184 */
185void llcc_slice_putd(struct llcc_slice_desc *desc);
186
187/**
188 * llcc_get_slice_id - get slice id
189 * @desc: Pointer to llcc slice descriptor
190 */
191int llcc_get_slice_id(struct llcc_slice_desc *desc);
192
193/**
194 * llcc_get_slice_size - llcc slice size
195 * @desc: Pointer to llcc slice descriptor
196 */
197size_t llcc_get_slice_size(struct llcc_slice_desc *desc);
198
199/**
200 * llcc_slice_activate - Activate the llcc slice
201 * @desc: Pointer to llcc slice descriptor
202 */
203int llcc_slice_activate(struct llcc_slice_desc *desc);
204
205/**
206 * llcc_slice_deactivate - Deactivate the llcc slice
207 * @desc: Pointer to llcc slice descriptor
208 */
209int llcc_slice_deactivate(struct llcc_slice_desc *desc);
210
211#else
212static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid)
213{
214 return NULL;
215}
216
217static inline void llcc_slice_putd(struct llcc_slice_desc *desc)
218{
219
220};
221
222static inline int llcc_get_slice_id(struct llcc_slice_desc *desc)
223{
224 return -EINVAL;
225}
226
227static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc)
228{
229 return 0;
230}
231static inline int llcc_slice_activate(struct llcc_slice_desc *desc)
232{
233 return -EINVAL;
234}
235
236static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc)
237{
238 return -EINVAL;
239}
240#endif
241
242#endif