1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
7 #include <linux/platform_device.h>
14 #define LLCC_ROTATOR 4
17 #define LLCC_MDMHPGRW 7
21 #define LLCC_GPUHTW 11
23 #define LLCC_MMUHWT 13
24 #define LLCC_CMPTDMA 15
27 #define LLCC_MDMHPFX 20
28 #define LLCC_MDMPNG 21
37 #define LLCC_WRCACHE 31
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
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
58 #define LLCC_VIDPTH 58
60 #define LLCC_EVA_LEFT 60
61 #define LLCC_EVA_RIGHT 61
62 #define LLCC_EVAGAIN 62
64 #define LLCC_VIDVSP 64
65 #define LLCC_DISP_LEFT 65
66 #define LLCC_DISP_RIGHT 66
67 #define LLCC_EVCS_LEFT 67
68 #define LLCC_EVCS_RIGHT 68
72 * struct llcc_slice_desc - Cache slice descriptor
73 * @slice_id: llcc slice id
74 * @slice_size: Size allocated for the llcc slice
76 struct llcc_slice_desc {
82 * struct llcc_edac_reg_data - llcc edac registers data for each error type
83 * @name: Name of the error
84 * @reg_cnt: Number of registers
85 * @count_mask: Mask value to get the error count
86 * @ways_mask: Mask value to get the error ways
87 * @count_shift: Shift value to get the error count
88 * @ways_shift: Shift value to get the error ways
90 struct llcc_edac_reg_data {
99 struct llcc_edac_reg_offset {
100 /* LLCC TRP registers */
101 u32 trp_ecc_error_status0;
102 u32 trp_ecc_error_status1;
103 u32 trp_ecc_sb_err_syn0;
104 u32 trp_ecc_db_err_syn0;
105 u32 trp_ecc_error_cntr_clear;
106 u32 trp_interrupt_0_status;
107 u32 trp_interrupt_0_clear;
108 u32 trp_interrupt_0_enable;
110 /* LLCC Common registers */
112 u32 cmn_interrupt_0_enable;
113 u32 cmn_interrupt_2_enable;
115 /* LLCC DRP registers */
116 u32 drp_ecc_error_cfg;
117 u32 drp_ecc_error_cntr_clear;
118 u32 drp_interrupt_status;
119 u32 drp_interrupt_clear;
120 u32 drp_interrupt_enable;
121 u32 drp_ecc_error_status0;
122 u32 drp_ecc_error_status1;
123 u32 drp_ecc_sb_err_syn0;
124 u32 drp_ecc_db_err_syn0;
128 * struct llcc_drv_data - Data associated with the llcc driver
129 * @regmaps: regmaps associated with the llcc device
130 * @bcast_regmap: regmap associated with llcc broadcast OR offset
131 * @bcast_and_regmap: regmap associated with llcc broadcast AND offset
132 * @cfg: pointer to the data structure for slice configuration
133 * @edac_reg_offset: Offset of the LLCC EDAC registers
134 * @lock: mutex associated with each slice
135 * @cfg_size: size of the config data table
136 * @max_slices: max slices as read from device tree
137 * @num_banks: Number of llcc banks
138 * @bitmap: Bit map to track the active slice ids
139 * @ecc_irq: interrupt for llcc cache error detection and reporting
140 * @ecc_irq_configured: 'True' if firmware has already configured the irq propagation
141 * @version: Indicates the LLCC version
143 struct llcc_drv_data {
144 struct regmap **regmaps;
145 struct regmap *bcast_regmap;
146 struct regmap *bcast_and_regmap;
147 const struct llcc_slice_config *cfg;
148 const struct llcc_edac_reg_offset *edac_reg_offset;
153 unsigned long *bitmap;
155 bool ecc_irq_configured;
159 #if IS_ENABLED(CONFIG_QCOM_LLCC)
161 * llcc_slice_getd - get llcc slice descriptor
162 * @uid: usecase_id of the client
164 struct llcc_slice_desc *llcc_slice_getd(u32 uid);
167 * llcc_slice_putd - llcc slice descritpor
168 * @desc: Pointer to llcc slice descriptor
170 void llcc_slice_putd(struct llcc_slice_desc *desc);
173 * llcc_get_slice_id - get slice id
174 * @desc: Pointer to llcc slice descriptor
176 int llcc_get_slice_id(struct llcc_slice_desc *desc);
179 * llcc_get_slice_size - llcc slice size
180 * @desc: Pointer to llcc slice descriptor
182 size_t llcc_get_slice_size(struct llcc_slice_desc *desc);
185 * llcc_slice_activate - Activate the llcc slice
186 * @desc: Pointer to llcc slice descriptor
188 int llcc_slice_activate(struct llcc_slice_desc *desc);
191 * llcc_slice_deactivate - Deactivate the llcc slice
192 * @desc: Pointer to llcc slice descriptor
194 int llcc_slice_deactivate(struct llcc_slice_desc *desc);
197 static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid)
202 static inline void llcc_slice_putd(struct llcc_slice_desc *desc)
207 static inline int llcc_get_slice_id(struct llcc_slice_desc *desc)
212 static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc)
216 static inline int llcc_slice_activate(struct llcc_slice_desc *desc)
221 static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc)