llcc-qcom.h

  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