diff options
Diffstat (limited to 'include/linux/soc/qcom/llcc-qcom.h')
| -rw-r--r-- | include/linux/soc/qcom/llcc-qcom.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/include/linux/soc/qcom/llcc-qcom.h b/include/linux/soc/qcom/llcc-qcom.h new file mode 100644 index 000000000..af093281e --- /dev/null +++ b/include/linux/soc/qcom/llcc-qcom.h @@ -0,0 +1,199 @@ +/* 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_DRE 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_AENPU 45 + +/** + * 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 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; + 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 |