M7350/kernel/arch/arm/mach-msm/msm_bus/msm_bus_bimc.h
2024-09-09 08:52:07 +00:00

128 lines
3.4 KiB
C

/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _ARCH_ARM_MACH_MSM_BUS_BIMC_H
#define _ARCH_ARM_MACH_MSM_BUS_BIMC_H
struct msm_bus_bimc_params {
uint32_t bus_id;
uint32_t addr_width;
uint32_t data_width;
uint32_t nmasters;
uint32_t nslaves;
};
struct msm_bus_bimc_commit {
struct msm_bus_node_hw_info *mas;
struct msm_bus_node_hw_info *slv;
};
struct msm_bus_bimc_info {
void __iomem *base;
uint32_t base_addr;
uint32_t qos_freq;
struct msm_bus_bimc_params params;
struct msm_bus_bimc_commit cdata[NUM_CTX];
};
struct msm_bus_bimc_node {
uint32_t conn_mask;
uint32_t data_width;
uint8_t slv_arb_mode;
};
enum msm_bus_bimc_arb_mode {
BIMC_ARB_MODE_RR = 0,
BIMC_ARB_MODE_PRIORITY_RR,
BIMC_ARB_MODE_TIERED_RR,
};
enum msm_bus_bimc_interleave {
BIMC_INTERLEAVE_NONE = 0,
BIMC_INTERLEAVE_ODD,
BIMC_INTERLEAVE_EVEN,
};
struct msm_bus_bimc_slave_seg {
bool enable;
uint64_t start_addr;
uint64_t seg_size;
uint8_t interleave;
};
enum msm_bus_bimc_qos_mode_type {
BIMC_QOS_MODE_FIXED = 0,
BIMC_QOS_MODE_LIMITER,
BIMC_QOS_MODE_BYPASS,
BIMC_QOS_MODE_REGULATOR,
};
struct msm_bus_bimc_qos_health {
bool limit_commands;
uint32_t areq_prio;
uint32_t prio_level;
};
struct msm_bus_bimc_mode_fixed {
uint32_t prio_level;
uint32_t areq_prio_rd;
uint32_t areq_prio_wr;
};
struct msm_bus_bimc_mode_rl {
uint8_t qhealthnum;
struct msm_bus_bimc_qos_health qhealth[4];
};
struct msm_bus_bimc_qos_mode {
uint8_t mode;
struct msm_bus_bimc_mode_fixed fixed;
struct msm_bus_bimc_mode_rl rl;
};
struct msm_bus_bimc_qos_bw {
uint64_t bw; /* bw is in Bytes/sec */
uint32_t ws; /* Window size in nano seconds*/
int64_t thh; /* Threshold high, bytes per second */
int64_t thm; /* Threshold medium, bytes per second */
int64_t thl; /* Threshold low, bytes per second */
u32 gp; /* Grant Period in micro seconds */
u32 thmp; /* Threshold medium in percentage */
};
struct msm_bus_bimc_clk_gate {
bool core_clk_gate_en;
bool arb_clk_gate_en; /* For arbiter */
bool port_clk_gate_en; /* For regs on BIMC core clock */
};
void msm_bus_bimc_set_slave_seg(struct msm_bus_bimc_info *binfo,
uint32_t slv_index, uint32_t seg_index,
struct msm_bus_bimc_slave_seg *bsseg);
void msm_bus_bimc_set_slave_clk_gate(struct msm_bus_bimc_info *binfo,
uint32_t slv_index, struct msm_bus_bimc_clk_gate *bgate);
void msm_bus_bimc_set_mas_clk_gate(struct msm_bus_bimc_info *binfo,
uint32_t mas_index, struct msm_bus_bimc_clk_gate *bgate);
void msm_bus_bimc_arb_en(struct msm_bus_bimc_info *binfo,
uint32_t slv_index, bool en);
void msm_bus_bimc_get_params(struct msm_bus_bimc_info *binfo,
struct msm_bus_bimc_params *params);
void msm_bus_bimc_get_mas_params(struct msm_bus_bimc_info *binfo,
uint32_t mas_index, struct msm_bus_bimc_node *mparams);
void msm_bus_bimc_get_slv_params(struct msm_bus_bimc_info *binfo,
uint32_t slv_index, struct msm_bus_bimc_node *sparams);
bool msm_bus_bimc_get_arb_en(struct msm_bus_bimc_info *binfo,
uint32_t slv_index);
#endif /*_ARCH_ARM_MACH_MSM_BUS_BIMC_H*/