/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
*
*/
#include <linux/platform_device.h>
#ifndef __LLCC_QCOM__
#define __LLCC_QCOM__
#define LLCC_CPUSS 1
#define LLCC_VIDSC0 2
#define LLCC_VIDSC1 3
#define LLCC_ROTATOR 4
#define LLCC_VOICE 5
#define LLCC_AUDIO 6
#define LLCC_MDMHPGRW 7
#define LLCC_MDM 8
#define LLCC_MODHW 9
#define LLCC_CMPT 10
#define LLCC_GPUHTW 11
#define LLCC_GPU 12
#define LLCC_MMUHWT 13
#define LLCC_CMPTDMA 15
#define LLCC_DISP 16
#define LLCC_VIDFW 17
#define LLCC_MDMHPFX 20
#define LLCC_MDMPNG 21
#define LLCC_AUDHW 22
#define LLCC_NPU 23
#define LLCC_WLHW 24
#define LLCC_PIMEM 25
#define LLCC_ECC 26
#define LLCC_CVP 28
#define LLCC_MODPE 29
#define LLCC_APTCM 30
#define LLCC_WRCACHE 31
#define LLCC_CVPFW 32
#define LLCC_CPUSS1 33
#define LLCC_CAMEXP0 34
#define LLCC_CPUMTE 35
#define LLCC_CPUHWT 36
#define LLCC_MDMCLAD2 37
#define LLCC_CAMEXP1 38
#define LLCC_CMPTHCP 39
#define LLCC_LCPDARE 40
#define LLCC_AENPU 45
#define LLCC_ISLAND1 46
#define LLCC_ISLAND2 47
#define LLCC_ISLAND3 48
#define LLCC_ISLAND4 49
#define LLCC_CAMEXP2 50
#define LLCC_CAMEXP3 51
#define LLCC_CAMEXP4 52
#define LLCC_DISP_WB 53
#define LLCC_DISP_1 54
#define LLCC_VIDVSP 64
/**
* struct llcc_slice_desc - Cache slice descriptor
* @slice_id: llcc slice id
* @slice_size: Size allocated for the llcc slice
*/
struct llcc_slice_desc {
u32 slice_id;
size_t slice_size;
};
/**
* struct llcc_edac_reg_data - llcc edac registers data for each error type
* @name: Name of the error
* @reg_cnt: Number of registers
* @count_mask: Mask value to get the error count
* @ways_mask: Mask value to get the error ways
* @count_shift: Shift value to get the error count
* @ways_shift: Shift value to get the error ways
*/
struct llcc_edac_reg_data {
char *name;
u32 reg_cnt;
u32 count_mask;
u32 ways_mask;
u8 count_shift;
u8 ways_shift;
};
struct llcc_edac_reg_offset {
/* LLCC TRP registers */
u32 trp_ecc_error_status0;
u32 trp_ecc_error_status1;
u32 trp_ecc_sb_err_syn0;
u32 trp_ecc_db_err_syn0;
u32 trp_ecc_error_cntr_clear;
u32 trp_interrupt_0_status;
u32 trp_interrupt_0_clear;
u32 trp_interrupt_0_enable;
/* LLCC Common registers */
u32 cmn_status0;
u32 cmn_interrupt_0_enable;
u32 cmn_interrupt_2_enable;
/* LLCC DRP registers */
u32 drp_ecc_error_cfg;
u32 drp_ecc_error_cntr_clear;
u32 drp_interrupt_status;
u32 drp_interrupt_clear;
u32 drp_interrupt_enable;
u32 drp_ecc_error_status0;
u32 drp_ecc_error_status1;
u32 drp_ecc_sb_err_syn0;
u32 drp_ecc_db_err_syn0;
};
/**
* struct llcc_drv_data - Data associated with the llcc driver
* @regmaps: regmaps associated with the llcc device
* @bcast_regmap: regmap associated with llcc broadcast OR offset
* @bcast_and_regmap: regmap associated with llcc broadcast AND offset
* @cfg: pointer to the data structure for slice configuration
* @edac_reg_offset: Offset of the LLCC EDAC registers
* @lock: mutex associated with each slice
* @cfg_size: size of the config data table
* @max_slices: max slices as read from device tree
* @num_banks: Number of llcc banks
* @bitmap: Bit map to track the active slice ids
* @ecc_irq: interrupt for llcc cache error detection and reporting
* @version: Indicates the LLCC version
*/
struct llcc_drv_data {
struct regmap **regmaps;
struct regmap *bcast_regmap;
struct regmap *bcast_and_regmap;
const struct llcc_slice_config *cfg;
const struct llcc_edac_reg_offset *edac_reg_offset;
struct mutex lock;
u32 cfg_size;
u32 max_slices;
u32 num_banks;
unsigned long *bitmap;
int ecc_irq;
u32 version;
};
#if IS_ENABLED(CONFIG_QCOM_LLCC)
/**
* llcc_slice_getd - get llcc slice descriptor
* @uid: usecase_id of the client
*/
struct llcc_slice_desc *llcc_slice_getd(u32 uid);
/**
* llcc_slice_putd - llcc slice descritpor
* @desc: Pointer to llcc slice descriptor
*/
void llcc_slice_putd(struct llcc_slice_desc *desc);
/**
* llcc_get_slice_id - get slice id
* @desc: Pointer to llcc slice descriptor
*/
int llcc_get_slice_id(struct llcc_slice_desc *desc);
/**
* llcc_get_slice_size - llcc slice size
* @desc: Pointer to llcc slice descriptor
*/
size_t llcc_get_slice_size(struct llcc_slice_desc *desc);
/**
* llcc_slice_activate - Activate the llcc slice
* @desc: Pointer to llcc slice descriptor
*/
int llcc_slice_activate(struct llcc_slice_desc *desc);
/**
* llcc_slice_deactivate - Deactivate the llcc slice
* @desc: Pointer to llcc slice descriptor
*/
int llcc_slice_deactivate(struct llcc_slice_desc *desc);
#else
static inline struct llcc_slice_desc *llcc_slice_getd(u32 uid)
{
return NULL;
}
static inline void llcc_slice_putd(struct llcc_slice_desc *desc)
{
};
static inline int llcc_get_slice_id(struct llcc_slice_desc *desc)
{
return -EINVAL;
}
static inline size_t llcc_get_slice_size(struct llcc_slice_desc *desc)
{
return 0;
}
static inline int llcc_slice_activate(struct llcc_slice_desc *desc)
{
return -EINVAL;
}
static inline int llcc_slice_deactivate(struct llcc_slice_desc *desc)
{
return -EINVAL;
}
#endif
#endif
Codebase Browser
linux