Gagan Mac | 068e84d | 2013-05-28 18:22:33 -0600 | [diff] [blame] | 1 | /* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. |
Gagan Mac | 8cbbb80 | 2012-02-08 15:35:54 -0700 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #ifndef _ARCH_ARM_MACH_MSM_BUS_BIMC_H |
| 14 | #define _ARCH_ARM_MACH_MSM_BUS_BIMC_H |
| 15 | |
| 16 | struct msm_bus_bimc_params { |
| 17 | uint32_t bus_id; |
| 18 | uint32_t addr_width; |
| 19 | uint32_t data_width; |
| 20 | uint32_t nmasters; |
| 21 | uint32_t nslaves; |
| 22 | }; |
| 23 | |
| 24 | struct msm_bus_bimc_commit { |
| 25 | struct msm_bus_node_hw_info *mas; |
| 26 | struct msm_bus_node_hw_info *slv; |
| 27 | }; |
| 28 | |
| 29 | struct msm_bus_bimc_info { |
| 30 | void __iomem *base; |
| 31 | uint32_t base_addr; |
| 32 | uint32_t qos_freq; |
| 33 | struct msm_bus_bimc_params params; |
| 34 | struct msm_bus_bimc_commit cdata[NUM_CTX]; |
| 35 | }; |
| 36 | |
| 37 | struct msm_bus_bimc_node { |
| 38 | uint32_t conn_mask; |
| 39 | uint32_t data_width; |
| 40 | uint8_t slv_arb_mode; |
| 41 | }; |
| 42 | |
| 43 | enum msm_bus_bimc_arb_mode { |
| 44 | BIMC_ARB_MODE_RR = 0, |
| 45 | BIMC_ARB_MODE_PRIORITY_RR, |
| 46 | BIMC_ARB_MODE_TIERED_RR, |
| 47 | }; |
| 48 | |
| 49 | |
| 50 | enum msm_bus_bimc_interleave { |
| 51 | BIMC_INTERLEAVE_NONE = 0, |
| 52 | BIMC_INTERLEAVE_ODD, |
| 53 | BIMC_INTERLEAVE_EVEN, |
| 54 | }; |
| 55 | |
| 56 | struct msm_bus_bimc_slave_seg { |
| 57 | bool enable; |
| 58 | uint64_t start_addr; |
| 59 | uint64_t seg_size; |
| 60 | uint8_t interleave; |
| 61 | }; |
| 62 | |
| 63 | enum msm_bus_bimc_qos_mode_type { |
| 64 | BIMC_QOS_MODE_FIXED = 0, |
| 65 | BIMC_QOS_MODE_LIMITER, |
| 66 | BIMC_QOS_MODE_BYPASS, |
| 67 | BIMC_QOS_MODE_REGULATOR, |
| 68 | }; |
| 69 | |
| 70 | struct msm_bus_bimc_qos_health { |
| 71 | bool limit_commands; |
| 72 | uint32_t areq_prio; |
| 73 | uint32_t prio_level; |
| 74 | }; |
| 75 | |
| 76 | struct msm_bus_bimc_mode_fixed { |
| 77 | uint32_t prio_level; |
| 78 | uint32_t areq_prio_rd; |
| 79 | uint32_t areq_prio_wr; |
| 80 | }; |
| 81 | |
| 82 | struct msm_bus_bimc_mode_rl { |
| 83 | uint8_t qhealthnum; |
| 84 | struct msm_bus_bimc_qos_health qhealth[4]; |
| 85 | }; |
| 86 | |
| 87 | struct msm_bus_bimc_qos_mode { |
| 88 | uint8_t mode; |
| 89 | struct msm_bus_bimc_mode_fixed fixed; |
| 90 | struct msm_bus_bimc_mode_rl rl; |
| 91 | }; |
| 92 | |
| 93 | struct msm_bus_bimc_qos_bw { |
| 94 | uint64_t bw; /* bw is in Bytes/sec */ |
| 95 | uint32_t ws; /* Window size in nano seconds*/ |
Gagan Mac | 068e84d | 2013-05-28 18:22:33 -0600 | [diff] [blame] | 96 | int64_t thh; /* Threshold high, bytes per second */ |
| 97 | int64_t thm; /* Threshold medium, bytes per second */ |
| 98 | int64_t thl; /* Threshold low, bytes per second */ |
| 99 | u32 gp; /* Grant Period in micro seconds */ |
| 100 | u32 thmp; /* Threshold medium in percentage */ |
Gagan Mac | 8cbbb80 | 2012-02-08 15:35:54 -0700 | [diff] [blame] | 101 | }; |
| 102 | |
| 103 | struct msm_bus_bimc_clk_gate { |
| 104 | bool core_clk_gate_en; |
| 105 | bool arb_clk_gate_en; /* For arbiter */ |
| 106 | bool port_clk_gate_en; /* For regs on BIMC core clock */ |
| 107 | }; |
| 108 | |
| 109 | void msm_bus_bimc_set_slave_seg(struct msm_bus_bimc_info *binfo, |
| 110 | uint32_t slv_index, uint32_t seg_index, |
| 111 | struct msm_bus_bimc_slave_seg *bsseg); |
| 112 | void msm_bus_bimc_set_slave_clk_gate(struct msm_bus_bimc_info *binfo, |
| 113 | uint32_t slv_index, struct msm_bus_bimc_clk_gate *bgate); |
| 114 | void msm_bus_bimc_set_mas_clk_gate(struct msm_bus_bimc_info *binfo, |
| 115 | uint32_t mas_index, struct msm_bus_bimc_clk_gate *bgate); |
| 116 | void msm_bus_bimc_arb_en(struct msm_bus_bimc_info *binfo, |
| 117 | uint32_t slv_index, bool en); |
| 118 | void msm_bus_bimc_get_params(struct msm_bus_bimc_info *binfo, |
| 119 | struct msm_bus_bimc_params *params); |
| 120 | void msm_bus_bimc_get_mas_params(struct msm_bus_bimc_info *binfo, |
| 121 | uint32_t mas_index, struct msm_bus_bimc_node *mparams); |
| 122 | void msm_bus_bimc_get_slv_params(struct msm_bus_bimc_info *binfo, |
| 123 | uint32_t slv_index, struct msm_bus_bimc_node *sparams); |
| 124 | bool msm_bus_bimc_get_arb_en(struct msm_bus_bimc_info *binfo, |
| 125 | uint32_t slv_index); |
| 126 | |
| 127 | #endif /*_ARCH_ARM_MACH_MSM_BUS_BIMC_H*/ |