1 /* 2 * Copyright (c) 2015-2018 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #ifndef __CE_H__ 20 #define __CE_H__ 21 22 #include "qdf_atomic.h" 23 #include "qdf_lock.h" 24 #include "hif_main.h" 25 #include "qdf_util.h" 26 #include "hif_exec.h" 27 28 #define CE_HTT_T2H_MSG 1 29 #define CE_HTT_H2T_MSG 4 30 31 #define CE_OFFSET 0x00000400 32 #define CE_USEFUL_SIZE 0x00000058 33 #define CE_ALL_BITMAP 0xFFFF 34 35 /** 36 * enum ce_id_type 37 * 38 * @ce_id_type: Copy engine ID 39 */ 40 enum ce_id_type { 41 CE_ID_0, 42 CE_ID_1, 43 CE_ID_2, 44 CE_ID_3, 45 CE_ID_4, 46 CE_ID_5, 47 CE_ID_6, 48 CE_ID_7, 49 CE_ID_8, 50 CE_ID_9, 51 CE_ID_10, 52 CE_ID_11, 53 CE_ID_MAX 54 }; 55 56 #ifdef CONFIG_WIN 57 #define QWLAN_VERSIONSTR "WIN" 58 #endif 59 60 enum ol_ath_hif_pkt_ecodes { 61 HIF_PIPE_NO_RESOURCE = 0 62 }; 63 64 struct HIF_CE_state; 65 66 /* Per-pipe state. */ 67 struct HIF_CE_pipe_info { 68 /* Handle of underlying Copy Engine */ 69 struct CE_handle *ce_hdl; 70 71 /* Our pipe number; facilitiates use of pipe_info ptrs. */ 72 uint8_t pipe_num; 73 74 /* Convenience back pointer to HIF_CE_state. */ 75 struct HIF_CE_state *HIF_CE_state; 76 77 /* Instantaneous number of receive buffers that should be posted */ 78 atomic_t recv_bufs_needed; 79 qdf_size_t buf_sz; 80 qdf_spinlock_t recv_bufs_needed_lock; 81 82 qdf_spinlock_t completion_freeq_lock; 83 /* Limit the number of outstanding send requests. */ 84 int num_sends_allowed; 85 86 /* adding three counts for debugging ring buffer errors */ 87 uint32_t nbuf_alloc_err_count; 88 uint32_t nbuf_dma_err_count; 89 uint32_t nbuf_ce_enqueue_err_count; 90 struct hif_msg_callbacks pipe_callbacks; 91 }; 92 93 /** 94 * struct ce_tasklet_entry 95 * 96 * @intr_tq: intr_tq 97 * @ce_id: ce_id 98 * @inited: inited 99 * @hif_ce_state: hif_ce_state 100 * @from_irq: from_irq 101 */ 102 struct ce_tasklet_entry { 103 struct tasklet_struct intr_tq; 104 enum ce_id_type ce_id; 105 bool inited; 106 void *hif_ce_state; 107 }; 108 109 static inline bool hif_dummy_grp_done(struct hif_exec_context *grp_entry, int 110 work_done) 111 { 112 return true; 113 } 114 115 extern struct hif_execution_ops tasklet_sched_ops; 116 extern struct hif_execution_ops napi_sched_ops; 117 118 struct ce_stats { 119 uint32_t ce_per_cpu[CE_COUNT_MAX][QDF_MAX_AVAILABLE_CPU]; 120 }; 121 122 struct HIF_CE_state { 123 struct hif_softc ol_sc; 124 bool started; 125 struct ce_tasklet_entry tasklets[CE_COUNT_MAX]; 126 struct hif_exec_context *hif_ext_group[HIF_MAX_GROUP]; 127 uint32_t hif_num_extgroup; 128 qdf_spinlock_t keep_awake_lock; 129 qdf_spinlock_t irq_reg_lock; 130 unsigned int keep_awake_count; 131 bool verified_awake; 132 bool fake_sleep; 133 qdf_timer_t sleep_timer; 134 bool sleep_timer_init; 135 qdf_time_t sleep_ticks; 136 uint32_t ce_register_irq_done; 137 138 struct CE_pipe_config *target_ce_config; 139 struct CE_attr *host_ce_config; 140 uint32_t target_ce_config_sz; 141 /* Per-pipe state. */ 142 struct HIF_CE_pipe_info pipe_info[CE_COUNT_MAX]; 143 /* to be activated after BMI_DONE */ 144 struct hif_msg_callbacks msg_callbacks_pending; 145 /* current msg callbacks in use */ 146 struct hif_msg_callbacks msg_callbacks_current; 147 148 /* Target address used to signal a pending firmware event */ 149 uint32_t fw_indicator_address; 150 151 /* Copy Engine used for Diagnostic Accesses */ 152 struct CE_handle *ce_diag; 153 struct ce_stats stats; 154 struct ce_ops *ce_services; 155 }; 156 157 /* 158 * HIA Map Definition 159 */ 160 struct host_interest_area_t { 161 uint32_t hi_interconnect_state; 162 uint32_t hi_early_alloc; 163 uint32_t hi_option_flag2; 164 uint32_t hi_board_data; 165 uint32_t hi_board_data_initialized; 166 uint32_t hi_failure_state; 167 uint32_t hi_rddi_msi_num; 168 uint32_t hi_pcie_perst_couple_en; 169 uint32_t hi_sw_protocol_version; 170 }; 171 172 struct shadow_reg_cfg { 173 uint16_t ce_id; 174 uint16_t reg_offset; 175 }; 176 177 struct shadow_reg_v2_cfg { 178 uint32_t reg_value; 179 }; 180 181 void hif_ce_stop(struct hif_softc *scn); 182 int hif_dump_ce_registers(struct hif_softc *scn); 183 void 184 hif_ce_dump_target_memory(struct hif_softc *scn, void *ramdump_base, 185 uint32_t address, uint32_t size); 186 187 #ifdef IPA_OFFLOAD 188 void hif_ce_ipa_get_ce_resource(struct hif_softc *scn, 189 qdf_shared_mem_t **ce_sr, 190 uint32_t *ce_sr_ring_size, 191 qdf_dma_addr_t *ce_reg_paddr); 192 #else 193 static inline 194 void hif_ce_ipa_get_ce_resource(struct hif_softc *scn, 195 qdf_shared_mem_t **ce_sr, 196 uint32_t *ce_sr_ring_size, 197 qdf_dma_addr_t *ce_reg_paddr) 198 { 199 } 200 201 #endif 202 int hif_wlan_enable(struct hif_softc *scn); 203 void ce_enable_polling(void *cestate); 204 void ce_disable_polling(void *cestate); 205 void hif_wlan_disable(struct hif_softc *scn); 206 void hif_get_target_ce_config(struct hif_softc *scn, 207 struct CE_pipe_config **target_ce_config_ret, 208 uint32_t *target_ce_config_sz_ret, 209 struct service_to_pipe **target_service_to_ce_map_ret, 210 uint32_t *target_service_to_ce_map_sz_ret, 211 struct shadow_reg_cfg **target_shadow_reg_cfg_v1_ret, 212 uint32_t *shadow_cfg_v1_sz_ret); 213 214 #ifdef WLAN_FEATURE_EPPING 215 void hif_ce_prepare_epping_config(struct HIF_CE_state *hif_state); 216 void hif_select_epping_service_to_pipe_map(struct service_to_pipe 217 **tgt_svc_map_to_use, 218 uint32_t *sz_tgt_svc_map_to_use); 219 220 #else 221 static inline 222 void hif_ce_prepare_epping_config(struct HIF_CE_state *hif_state) 223 { } 224 static inline 225 void hif_select_epping_service_to_pipe_map(struct service_to_pipe 226 **tgt_svc_map_to_use, 227 uint32_t *sz_tgt_svc_map_to_use) 228 { } 229 #endif 230 231 #endif /* __CE_H__ */ 232