315 lines
8.1 KiB
C
Executable File
315 lines
8.1 KiB
C
Executable File
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
|
|
* Copyright (c) 2022-2024, Qualcomm Innovation Center, Inc. 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_CAMFW 18
|
|
#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_DRE 26
|
|
#define LLCC_DISP_VIG 27
|
|
#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_MDM_CLD_2_1 41
|
|
#define LLCC_MDM_CLD_2_2 42
|
|
#define LLCC_MDM_CLD_2_3 43
|
|
#define LLCC_MDM_CLD_2_4 44
|
|
#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_SAIL 55
|
|
#define LLCC_GDSP 56
|
|
#define LLCC_VIDSC_LFT 57
|
|
#define LLCC_VIDSC_RGT 58
|
|
#define LLCC_GPU_MV 59
|
|
#define LLCC_EVA_LEFT 60
|
|
#define LLCC_EVA_RIGHT 61
|
|
#define LLCC_EVA_GAIN 62
|
|
#define LLCC_VIDDEPTH 63
|
|
#define LLCC_VIDVSP 64
|
|
#define LLCC_DISP_LFT 65
|
|
#define LLCC_DISP_RGT 66
|
|
#define LLCC_EVACSC_LFT 67
|
|
#define LLCC_EVACSC_RGT 68
|
|
#define LLCC_EVA3DR 69
|
|
#define LLCC_VIDDEC 70
|
|
#define LLCC_CAMOFE 71
|
|
#define LLCC_CAMRTIP 72
|
|
#define LLCC_CAMSRTIP 73
|
|
#define LLCC_CAMRTRF 74
|
|
#define LLCC_CAMSRTRF 75
|
|
#define LLCC_NW_DESC 76
|
|
#define LLCC_NW_DATA 77
|
|
#define LLCC_CUST_CORE 78
|
|
#define LLCC_APPS_SEC 79
|
|
#define LLCC_GPU_LITTLE 80
|
|
#define LLCC_OOBM_NS 81
|
|
#define LLCC_OOBM_S 82
|
|
#define LLCC_CPUSSMPAM 89
|
|
|
|
#define LLCC_VERSION_2_0_0_0 0x02000000
|
|
#define LLCC_VERSION_2_1_0_0 0x02010000
|
|
#define LLCC_VERSION_3_1_0_0 0x03010000
|
|
#define LLCC_VERSION_4_1_0_0 0x04010000
|
|
#define LLCC_VERSION_5_0_0_0 0x05000000
|
|
#define LLCC_VERSION_6_0_0_0 0x06000000
|
|
|
|
/**
|
|
* 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;
|
|
atomic_t refcount;
|
|
};
|
|
|
|
/**
|
|
* 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 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_index: index of config table if multiple configs present for a target
|
|
* @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
|
|
* @desc: Array pointer of llcc_slice_desc
|
|
*/
|
|
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_index;
|
|
u32 cfg_size;
|
|
u32 max_slices;
|
|
u32 num_banks;
|
|
unsigned long *bitmap;
|
|
int ecc_irq;
|
|
u32 version;
|
|
bool cap_based_alloc_and_pwr_collapse;
|
|
struct llcc_slice_desc *desc;
|
|
};
|
|
|
|
/**
|
|
* Enum describing the various staling modes available for clients to use.
|
|
*/
|
|
enum llcc_staling_mode {
|
|
LLCC_STALING_MODE_CAPACITY, /* Default option on reset */
|
|
LLCC_STALING_MODE_NOTIFY,
|
|
LLCC_STALING_MODE_MAX
|
|
};
|
|
|
|
enum llcc_staling_notify_op {
|
|
LLCC_NOTIFY_STALING_WRITEBACK,
|
|
LLCC_NOTIFY_STALING_NO_WRITEBACK,
|
|
LLCC_NOTIFY_STALING_OPS_MAX
|
|
};
|
|
|
|
struct llcc_staling_mode_params {
|
|
enum llcc_staling_mode staling_mode;
|
|
union {
|
|
/* STALING_MODE_CAPACITY needs no params */
|
|
struct staling_mode_notify_params {
|
|
u8 staling_distance;
|
|
enum llcc_staling_notify_op op;
|
|
} notify_params;
|
|
};
|
|
};
|
|
|
|
#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);
|
|
|
|
/**
|
|
* llcc_configure_staling_mode - Configure cache staling mode by setting the
|
|
* staling_mode and corresponding
|
|
* mode-specific params
|
|
*
|
|
* @desc: Pointer to llcc slice descriptor
|
|
* @p: Staling mode-specific params
|
|
*
|
|
* Returns: zero on success or negative errno.
|
|
*/
|
|
int llcc_configure_staling_mode(struct llcc_slice_desc *desc,
|
|
struct llcc_staling_mode_params *p);
|
|
/**
|
|
* llcc_notif_staling_inc_counter - Trigger the staling of the sub-cache frame.
|
|
*
|
|
* @desc: Pointer to llcc slice descriptor
|
|
*
|
|
* Returns: zero on success or negative errno.
|
|
*/
|
|
int llcc_notif_staling_inc_counter(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;
|
|
}
|
|
static inline int llcc_configure_staling_mode(struct llcc_slice_desc *desc,
|
|
struct llcc_staling_mode_params *p)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
static inline int llcc_notif_staling_inc_counter(struct llcc_slice_desc *desc)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
#endif
|
|
|
|
#endif
|