tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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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_CPUSSMPAM 89
78
79/**
80 * struct llcc_slice_desc - Cache slice descriptor
81 * @slice_id: llcc slice id
82 * @slice_size: Size allocated for the llcc slice
83 */
84struct llcc_slice_desc {
85 u32 slice_id;
86 size_t slice_size;
87};
88
89/**
90 * struct llcc_edac_reg_data - llcc edac registers data for each error type
91 * @name: Name of the error
92 * @reg_cnt: Number of registers
93 * @count_mask: Mask value to get the error count
94 * @ways_mask: Mask value to get the error ways
95 * @count_shift: Shift value to get the error count
96 * @ways_shift: Shift value to get the error ways
97 */
98struct llcc_edac_reg_data {
99 char *name;
100 u32 reg_cnt;
101 u32 count_mask;
102 u32 ways_mask;
103 u8 count_shift;
104 u8 ways_shift;
105};
106
107struct llcc_edac_reg_offset {
108 /* LLCC TRP registers */
109 u32 trp_ecc_error_status0;
110 u32 trp_ecc_error_status1;
111 u32 trp_ecc_sb_err_syn0;
112 u32 trp_ecc_db_err_syn0;
113 u32 trp_ecc_error_cntr_clear;
114 u32 trp_interrupt_0_status;
115 u32 trp_interrupt_0_clear;
116 u32 trp_interrupt_0_enable;
117
118 /* LLCC Common registers */
119 u32 cmn_status0;
120 u32 cmn_interrupt_0_enable;
121 u32 cmn_interrupt_2_enable;
122
123 /* LLCC DRP registers */
124 u32 drp_ecc_error_cfg;
125 u32 drp_ecc_error_cntr_clear;
126 u32 drp_interrupt_status;
127 u32 drp_interrupt_clear;
128 u32 drp_interrupt_enable;
129 u32 drp_ecc_error_status0;
130 u32 drp_ecc_error_status1;
131 u32 drp_ecc_sb_err_syn0;
132 u32 drp_ecc_db_err_syn0;
133};
134
135/**
136 * struct llcc_drv_data - Data associated with the llcc driver
137 * @regmaps: regmaps associated with the llcc device
138 * @bcast_regmap: regmap associated with llcc broadcast OR offset
139 * @bcast_and_regmap: regmap associated with llcc broadcast AND offset
140 * @cfg: pointer to the data structure for slice configuration
141 * @edac_reg_offset: Offset of the LLCC EDAC registers
142 * @lock: mutex associated with each slice
143 * @cfg_size: size of the config data table
144 * @max_slices: max slices as read from device tree
145 * @num_banks: Number of llcc banks
146 * @bitmap: Bit map to track the active slice ids
147 * @ecc_irq: interrupt for llcc cache error detection and reporting
148 * @ecc_irq_configured: 'True' if firmware has already configured the irq propagation
149 * @version: Indicates the LLCC version
150 */
151struct llcc_drv_data {
152 struct regmap **regmaps;
153 struct regmap *bcast_regmap;
154 struct regmap *bcast_and_regmap;
155 const struct llcc_slice_config *cfg;
156 const struct llcc_edac_reg_offset *edac_reg_offset;
157 struct mutex lock;
158 u32 cfg_size;
159 u32 max_slices;
160 u32 num_banks;
161 unsigned long *bitmap;
162 int ecc_irq;
163 bool ecc_irq_configured;
164 u32 version;
165};
166
167#if IS_ENABLED(CONFIG_QCOM_LLCC)
168/**
169 * llcc_slice_getd - get llcc slice descriptor
170 * @uid: usecase_id of the client
171 */
172struct llcc_slice_desc *llcc_slice_getd(u32 uid);
173
174/**
175 * llcc_slice_putd - llcc slice descritpor
176 * @desc: Pointer to llcc slice descriptor
177 */
178void llcc_slice_putd(struct llcc_slice_desc *desc);
179
180/**
181 * llcc_get_slice_id - get slice id
182 * @desc: Pointer to llcc slice descriptor
183 */
184int llcc_get_slice_id(struct llcc_slice_desc *desc);
185
186/**
187 * llcc_get_slice_size - llcc slice size
188 * @desc: Pointer to llcc slice descriptor
189 */
190size_t llcc_get_slice_size(struct llcc_slice_desc *desc);
191
192/**
193 * llcc_slice_activate - Activate the llcc slice
194 * @desc: Pointer to llcc slice descriptor
195 */
196int llcc_slice_activate(struct llcc_slice_desc *desc);
197
198/**
199 * llcc_slice_deactivate - Deactivate the llcc slice
200 * @desc: Pointer to llcc slice descriptor
201 */
202int llcc_slice_deactivate(struct llcc_slice_desc *desc);
203
204#else
205static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid)
206{
207 return NULL;
208}
209
210static inline void llcc_slice_putd(struct llcc_slice_desc *desc)
211{
212
213};
214
215static inline int llcc_get_slice_id(struct llcc_slice_desc *desc)
216{
217 return -EINVAL;
218}
219
220static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc)
221{
222 return 0;
223}
224static inline int llcc_slice_activate(struct llcc_slice_desc *desc)
225{
226 return -EINVAL;
227}
228
229static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc)
230{
231 return -EINVAL;
232}
233#endif
234
235#endif