213 lines
5.3 KiB
C
213 lines
5.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
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*
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*/
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#include <linux/platform_device.h>
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#ifndef __LLCC_QCOM__
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#define __LLCC_QCOM__
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#define LLCC_CPUSS 1
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#define LLCC_VIDSC0 2
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#define LLCC_VIDSC1 3
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#define LLCC_ROTATOR 4
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#define LLCC_VOICE 5
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#define LLCC_AUDIO 6
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#define LLCC_MDMHPGRW 7
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#define LLCC_MDM 8
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#define LLCC_CMPT 10
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#define LLCC_GPUHTW 11
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#define LLCC_GPU 12
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#define LLCC_MMUHWT 13
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#define LLCC_CMPTDMA 15
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#define LLCC_DISP 16
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#define LLCC_VIDFW 17
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#define LLCC_MDMHPFX 20
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#define LLCC_MDMPNG 21
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#define LLCC_AUDHW 22
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/**
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* llcc_slice_desc - Cache slice descriptor
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* @slice_id: llcc slice id
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* @slice_size: Size allocated for the llcc slice
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*/
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struct llcc_slice_desc {
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u32 slice_id;
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size_t slice_size;
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};
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/**
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* llcc_slice_config - Data associated with the llcc slice
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* @usecase_id: usecase id for which the llcc slice is used
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* @slice_id: llcc slice id assigned to each slice
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* @max_cap: maximum capacity of the llcc slice
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* @priority: priority of the llcc slice
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* @fixed_size: whether the llcc slice can grow beyond its size
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* @bonus_ways: bonus ways associated with llcc slice
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* @res_ways: reserved ways associated with llcc slice
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* @cache_mode: mode of the llcc slice
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* @probe_target_ways: Probe only reserved and bonus ways on a cache miss
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* @dis_cap_alloc: Disable capacity based allocation
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* @retain_on_pc: Retain through power collapse
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* @activate_on_init: activate the slice on init
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*/
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struct llcc_slice_config {
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u32 usecase_id;
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u32 slice_id;
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u32 max_cap;
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u32 priority;
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bool fixed_size;
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u32 bonus_ways;
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u32 res_ways;
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u32 cache_mode;
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u32 probe_target_ways;
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bool dis_cap_alloc;
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bool retain_on_pc;
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bool activate_on_init;
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};
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/**
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* llcc_drv_data - Data associated with the llcc driver
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* @regmap: regmap associated with the llcc device
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* @bcast_regmap: regmap associated with llcc broadcast offset
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* @cfg: pointer to the data structure for slice configuration
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* @lock: mutex associated with each slice
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* @cfg_size: size of the config data table
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* @max_slices: max slices as read from device tree
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* @num_banks: Number of llcc banks
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* @bitmap: Bit map to track the active slice ids
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* @offsets: Pointer to the bank offsets array
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* @ecc_irq: interrupt for llcc cache error detection and reporting
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*/
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struct llcc_drv_data {
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struct regmap *regmap;
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struct regmap *bcast_regmap;
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const struct llcc_slice_config *cfg;
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struct mutex lock;
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u32 cfg_size;
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u32 max_slices;
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u32 num_banks;
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unsigned long *bitmap;
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u32 *offsets;
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int ecc_irq;
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};
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/**
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* llcc_edac_reg_data - llcc edac registers data for each error type
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* @name: Name of the error
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* @synd_reg: Syndrome register address
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* @count_status_reg: Status register address to read the error count
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* @ways_status_reg: Status register address to read the error ways
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* @reg_cnt: Number of registers
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* @count_mask: Mask value to get the error count
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* @ways_mask: Mask value to get the error ways
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* @count_shift: Shift value to get the error count
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* @ways_shift: Shift value to get the error ways
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*/
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struct llcc_edac_reg_data {
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char *name;
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u64 synd_reg;
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u64 count_status_reg;
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u64 ways_status_reg;
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u32 reg_cnt;
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u32 count_mask;
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u32 ways_mask;
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u8 count_shift;
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u8 ways_shift;
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};
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#if IS_ENABLED(CONFIG_QCOM_LLCC)
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/**
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* llcc_slice_getd - get llcc slice descriptor
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* @uid: usecase_id of the client
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*/
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struct llcc_slice_desc *llcc_slice_getd(u32 uid);
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/**
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* llcc_slice_putd - llcc slice descritpor
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* @desc: Pointer to llcc slice descriptor
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*/
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void llcc_slice_putd(struct llcc_slice_desc *desc);
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/**
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* llcc_get_slice_id - get slice id
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* @desc: Pointer to llcc slice descriptor
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*/
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int llcc_get_slice_id(struct llcc_slice_desc *desc);
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/**
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* llcc_get_slice_size - llcc slice size
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* @desc: Pointer to llcc slice descriptor
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*/
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size_t llcc_get_slice_size(struct llcc_slice_desc *desc);
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/**
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* llcc_slice_activate - Activate the llcc slice
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* @desc: Pointer to llcc slice descriptor
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*/
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int llcc_slice_activate(struct llcc_slice_desc *desc);
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/**
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* llcc_slice_deactivate - Deactivate the llcc slice
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* @desc: Pointer to llcc slice descriptor
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*/
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int llcc_slice_deactivate(struct llcc_slice_desc *desc);
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/**
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* qcom_llcc_probe - program the sct table
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* @pdev: platform device pointer
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* @table: soc sct table
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* @sz: Size of the config table
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*/
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int qcom_llcc_probe(struct platform_device *pdev,
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const struct llcc_slice_config *table, u32 sz);
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/**
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* qcom_llcc_remove - remove the sct table
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* @pdev: Platform device pointer
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*/
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int qcom_llcc_remove(struct platform_device *pdev);
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#else
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static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid)
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{
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return NULL;
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}
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static inline void llcc_slice_putd(struct llcc_slice_desc *desc)
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{
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};
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static inline int llcc_get_slice_id(struct llcc_slice_desc *desc)
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{
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return -EINVAL;
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}
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static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc)
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{
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return 0;
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}
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static inline int llcc_slice_activate(struct llcc_slice_desc *desc)
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{
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return -EINVAL;
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}
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static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc)
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{
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return -EINVAL;
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}
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static inline int qcom_llcc_probe(struct platform_device *pdev,
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const struct llcc_slice_config *table, u32 sz)
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{
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return -ENODEV;
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}
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static inline int qcom_llcc_remove(struct platform_device *pdev)
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{
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return -ENODEV;
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}
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#endif
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#endif
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