LXR linux/include/linux/soc/qcom/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_MDMHPFX     20
  28#define LLCC_MDMPNG      21
  29#define LLCC_AUDHW       22
  30#define LLCC_NPU         23
  31#define LLCC_WLHW        24
  32#define LLCC_CVP         28
  33#define LLCC_MODPE       29
  34#define LLCC_APTCM       30
  35#define LLCC_WRCACHE     31
  36
  37/**
  38 * struct llcc_slice_desc - Cache slice descriptor
  39 * @slice_id: llcc slice id
  40 * @slice_size: Size allocated for the llcc slice
  41 */
  42struct llcc_slice_desc {
  43        u32 slice_id;
  44        size_t slice_size;
  45};
  46
  47/**
  48 * struct llcc_edac_reg_data - llcc edac registers data for each error type
  49 * @name: Name of the error
  50 * @synd_reg: Syndrome register address
  51 * @count_status_reg: Status register address to read the error count
  52 * @ways_status_reg: Status register address to read the error ways
  53 * @reg_cnt: Number of registers
  54 * @count_mask: Mask value to get the error count
  55 * @ways_mask: Mask value to get the error ways
  56 * @count_shift: Shift value to get the error count
  57 * @ways_shift: Shift value to get the error ways
  58 */
  59struct llcc_edac_reg_data {
  60        char *name;
  61        u64 synd_reg;
  62        u64 count_status_reg;
  63        u64 ways_status_reg;
  64        u32 reg_cnt;
  65        u32 count_mask;
  66        u32 ways_mask;
  67        u8  count_shift;
  68        u8  ways_shift;
  69};
  70
  71/**
  72 * struct llcc_drv_data - Data associated with the llcc driver
  73 * @regmap: regmap associated with the llcc device
  74 * @bcast_regmap: regmap associated with llcc broadcast offset
  75 * @cfg: pointer to the data structure for slice configuration
  76 * @lock: mutex associated with each slice
  77 * @cfg_size: size of the config data table
  78 * @max_slices: max slices as read from device tree
  79 * @num_banks: Number of llcc banks
  80 * @bitmap: Bit map to track the active slice ids
  81 * @offsets: Pointer to the bank offsets array
  82 * @ecc_irq: interrupt for llcc cache error detection and reporting
  83 * @major_version: Indicates the LLCC major version
  84 */
  85struct llcc_drv_data {
  86        struct regmap *regmap;
  87        struct regmap *bcast_regmap;
  88        const struct llcc_slice_config *cfg;
  89        struct mutex lock;
  90        u32 cfg_size;
  91        u32 max_slices;
  92        u32 num_banks;
  93        unsigned long *bitmap;
  94        u32 *offsets;
  95        int ecc_irq;
  96        u32 major_version;
  97};
  98
  99#if IS_ENABLED(CONFIG_QCOM_LLCC)
 100/**
 101 * llcc_slice_getd - get llcc slice descriptor
 102 * @uid: usecase_id of the client
 103 */
 104struct llcc_slice_desc *llcc_slice_getd(u32 uid);
 105
 106/**
 107 * llcc_slice_putd - llcc slice descritpor
 108 * @desc: Pointer to llcc slice descriptor
 109 */
 110void llcc_slice_putd(struct llcc_slice_desc *desc);
 111
 112/**
 113 * llcc_get_slice_id - get slice id
 114 * @desc: Pointer to llcc slice descriptor
 115 */
 116int llcc_get_slice_id(struct llcc_slice_desc *desc);
 117
 118/**
 119 * llcc_get_slice_size - llcc slice size
 120 * @desc: Pointer to llcc slice descriptor
 121 */
 122size_t llcc_get_slice_size(struct llcc_slice_desc *desc);
 123
 124/**
 125 * llcc_slice_activate - Activate the llcc slice
 126 * @desc: Pointer to llcc slice descriptor
 127 */
 128int llcc_slice_activate(struct llcc_slice_desc *desc);
 129
 130/**
 131 * llcc_slice_deactivate - Deactivate the llcc slice
 132 * @desc: Pointer to llcc slice descriptor
 133 */
 134int llcc_slice_deactivate(struct llcc_slice_desc *desc);
 135
 136#else
 137static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid)
 138{
 139        return NULL;
 140}
 141
 142static inline void llcc_slice_putd(struct llcc_slice_desc *desc)
 143{
 144
 145};
 146
 147static inline int llcc_get_slice_id(struct llcc_slice_desc *desc)
 148{
 149        return -EINVAL;
 150}
 151
 152static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc)
 153{
 154        return 0;
 155}
 156static inline int llcc_slice_activate(struct llcc_slice_desc *desc)
 157{
 158        return -EINVAL;
 159}
 160
 161static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc)
 162{
 163        return -EINVAL;
 164}
 165#endif
 166
 167#endif
 168