xref: /linux/include/linux/soc/qcom/llcc-qcom.h (revision 297d9111e9fcf47dd1dcc6f79bba915f35378d01)
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  */
84 struct 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  */
98 struct 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 
107 struct 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  */
151 struct 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  */
172 struct 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  */
178 void 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  */
184 int 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  */
190 size_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  */
196 int 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  */
202 int llcc_slice_deactivate(struct llcc_slice_desc *desc);
203 
204 #else
llcc_slice_getd(u32 uid)205 static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid)
206 {
207 	return NULL;
208 }
209 
llcc_slice_putd(struct llcc_slice_desc * desc)210 static inline void llcc_slice_putd(struct llcc_slice_desc *desc)
211 {
212 
213 };
214 
llcc_get_slice_id(struct llcc_slice_desc * desc)215 static inline int llcc_get_slice_id(struct llcc_slice_desc *desc)
216 {
217 	return -EINVAL;
218 }
219 
llcc_get_slice_size(struct llcc_slice_desc * desc)220 static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc)
221 {
222 	return 0;
223 }
llcc_slice_activate(struct llcc_slice_desc * desc)224 static inline int llcc_slice_activate(struct llcc_slice_desc *desc)
225 {
226 	return -EINVAL;
227 }
228 
llcc_slice_deactivate(struct llcc_slice_desc * desc)229 static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc)
230 {
231 	return -EINVAL;
232 }
233 #endif
234 
235 #endif
236