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