arch/arm/mach-msm/msm_bus/msm_bus_noc.h

/* Copyright (c) 2012-2014, 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

enum msm_bus_noc_qos_mode_type {
	NOC_QOS_MODE_FIXED = 0,
	NOC_QOS_MODE_LIMITER,
	NOC_QOS_MODE_BYPASS,
	NOC_QOS_MODE_REGULATOR,
	NOC_QOS_MODE_MAX,
};

enum msm_bus_noc_qos_mode_perm {
	NOC_QOS_PERM_MODE_FIXED = (1 << NOC_QOS_MODE_FIXED),
	NOC_QOS_PERM_MODE_LIMITER = (1 << NOC_QOS_MODE_LIMITER),
	NOC_QOS_PERM_MODE_BYPASS = (1 << NOC_QOS_MODE_BYPASS),
	NOC_QOS_PERM_MODE_REGULATOR = (1 << NOC_QOS_MODE_REGULATOR),
};

#define NOC_QOS_MODES_ALL_PERM (NOC_QOS_PERM_MODE_FIXED | \
	NOC_QOS_PERM_MODE_LIMITER | NOC_QOS_PERM_MODE_BYPASS | \
	NOC_QOS_PERM_MODE_REGULATOR)

struct msm_bus_noc_commit {
	struct msm_bus_node_hw_info *mas;
	struct msm_bus_node_hw_info *slv;
};

struct msm_bus_noc_info {
	void __iomem *base;
	uint32_t base_addr;
	uint32_t nmasters;
	uint32_t nqos_masters;
	uint32_t nslaves;
	uint32_t qos_freq; /* QOS Clock in KHz */
	uint32_t qos_baseoffset;
	uint32_t *mas_modes;
	struct msm_bus_noc_commit cdata[NUM_CTX];
};

struct msm_bus_noc_qos_priority {
	uint32_t high_prio;
	uint32_t low_prio;
	uint32_t read_prio;
	uint32_t write_prio;
	uint32_t p1;
	uint32_t p0;
};

struct msm_bus_noc_qos_bw {
	uint64_t bw; /* Bandwidth in bytes per second */
	uint32_t ws; /* Window size in nano seconds */
};

void msm_bus_noc_init(struct msm_bus_noc_info *ninfo);
uint8_t msm_bus_noc_get_qos_mode(struct msm_bus_noc_info *ninfo,
	uint32_t mport, uint32_t mode, uint32_t perm_mode);
void msm_bus_noc_get_qos_priority(struct msm_bus_noc_info *ninfo,
	uint32_t mport, struct msm_bus_noc_qos_priority *qprio);
void msm_bus_noc_get_qos_bw(struct msm_bus_noc_info *ninfo,
	uint32_t mport, uint8_t perm_mode, struct msm_bus_noc_qos_bw *qbw);

#endif /*_ARCH_ARM_MACH_MSM_BUS_NOC_H */