Poddar, Siddarth | ef1f302 | 2016-05-10 20:10:43 +0530 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2014-2016 The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | #include "ol_if_athvar.h" |
| 29 | #include "targaddrs.h" |
| 30 | #include "ol_cfg.h" |
| 31 | #include "i_ar6320v2_regtable.h" |
| 32 | #include "ol_fw.h" |
| 33 | #ifdef HIF_PCI |
| 34 | #include "ce_reg.h" |
| 35 | #endif |
| 36 | #if defined(HIF_SDIO) |
| 37 | #include "regtable_sdio.h" |
| 38 | #endif |
| 39 | #if defined(CONFIG_CNSS) |
| 40 | #include <net/cnss.h> |
| 41 | #endif |
| 42 | #include "i_bmi.h" |
| 43 | |
| 44 | #ifdef CONFIG_DISABLE_SLEEP_BMI_OPTION |
| 45 | static inline void ol_sdio_disable_sleep(struct ol_context *ol_ctx) |
| 46 | { |
| 47 | uint32_t value; |
| 48 | |
| 49 | BMI_ERR("prevent ROME from sleeping"); |
| 50 | bmi_read_soc_register(MBOX_BASE_ADDRESS + LOCAL_SCRATCH_OFFSET, |
| 51 | /* this address should be 0x80C0 for ROME*/ |
| 52 | &value, |
| 53 | ol_ctx); |
| 54 | |
| 55 | value |= SOC_OPTION_SLEEP_DISABLE; |
| 56 | |
| 57 | bmi_write_soc_register(MBOX_BASE_ADDRESS + LOCAL_SCRATCH_OFFSET, |
| 58 | value, |
| 59 | ol_ctx); |
| 60 | } |
| 61 | |
| 62 | #else |
| 63 | static inline void ol_sdio_disable_sleep(struct ol_context *ol_ctx) |
| 64 | { |
| 65 | } |
| 66 | |
| 67 | #endif |
| 68 | |
| 69 | /*Setting SDIO block size, mbox ISR yield limit for SDIO based HIF*/ |
| 70 | static |
| 71 | QDF_STATUS ol_sdio_extra_initialization(struct ol_context *ol_ctx) |
| 72 | { |
| 73 | |
| 74 | QDF_STATUS status; |
| 75 | uint32_t param; |
| 76 | uint32_t blocksizes[HTC_MAILBOX_NUM_MAX]; |
| 77 | uint32_t MboxIsrYieldValue = 99; |
| 78 | struct hif_opaque_softc *scn = ol_ctx->scn; |
| 79 | struct hif_target_info *tgt_info = hif_get_target_info_handle(scn); |
| 80 | uint32_t target_type = tgt_info->target_type; |
| 81 | |
| 82 | /* get the block sizes */ |
| 83 | status = hif_get_config_item(scn, |
| 84 | HIF_DEVICE_GET_MBOX_BLOCK_SIZE, |
| 85 | blocksizes, sizeof(blocksizes)); |
| 86 | if (status != EOK) { |
| 87 | BMI_ERR("Failed to get block size info from HIF layer"); |
| 88 | goto exit; |
| 89 | } |
| 90 | /* note: we actually get the block size for mailbox 1, |
| 91 | * for SDIO the block size on mailbox 0 is artificially |
| 92 | * set to 1 must be a power of 2 */ |
| 93 | qdf_assert((blocksizes[1] & (blocksizes[1] - 1)) == 0); |
| 94 | |
| 95 | /* set the host interest area for the block size */ |
| 96 | status = bmi_write_memory(hif_hia_item_address(target_type, |
| 97 | offsetof(struct host_interest_s, |
| 98 | hi_mbox_io_block_sz)), |
| 99 | (uint8_t *)&blocksizes[1], |
| 100 | 4, |
| 101 | ol_ctx); |
| 102 | |
| 103 | if (status != EOK) { |
| 104 | BMI_ERR("BMIWriteMemory for IO block size failed"); |
| 105 | goto exit; |
| 106 | } |
| 107 | |
| 108 | if (MboxIsrYieldValue != 0) { |
| 109 | /* set the host for the mbox ISR yield limit */ |
| 110 | status = |
| 111 | bmi_write_memory(hif_hia_item_address(target_type, |
| 112 | offsetof(struct host_interest_s, |
| 113 | hi_mbox_isr_yield_limit)), |
| 114 | (uint8_t *)&MboxIsrYieldValue, |
| 115 | 4, |
| 116 | ol_ctx); |
| 117 | |
| 118 | if (status != EOK) { |
| 119 | BMI_ERR("BMI write for yield limit failed\n"); |
| 120 | goto exit; |
| 121 | } |
| 122 | } |
| 123 | ol_sdio_disable_sleep(ol_ctx); |
| 124 | status = bmi_read_memory(hif_hia_item_address(target_type, |
| 125 | offsetof(struct host_interest_s, |
| 126 | hi_acs_flags)), |
| 127 | (uint8_t *)¶m, |
| 128 | 4, |
| 129 | ol_ctx); |
| 130 | if (status != EOK) { |
| 131 | BMI_ERR("BMIReadMemory for hi_acs_flags failed"); |
| 132 | goto exit; |
| 133 | } |
| 134 | |
| 135 | param |= (HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET| |
| 136 | HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET| |
| 137 | HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE); |
| 138 | |
| 139 | bmi_write_memory(hif_hia_item_address(target_type, |
| 140 | offsetof(struct host_interest_s, |
| 141 | hi_acs_flags)), |
| 142 | (uint8_t *)¶m, 4, ol_ctx); |
| 143 | exit: |
| 144 | return status; |
| 145 | } |
| 146 | |
| 147 | QDF_STATUS ol_extra_initialization(struct ol_context *ol_ctx) |
| 148 | { |
| 149 | struct hif_opaque_softc *scn = ol_ctx->scn; |
| 150 | |
| 151 | if (hif_get_bus_type(scn) == QDF_BUS_TYPE_SDIO) |
| 152 | return ol_sdio_extra_initialization(ol_ctx); |
| 153 | |
| 154 | return QDF_STATUS_SUCCESS; |
| 155 | } |
| 156 | |
| 157 | void ol_target_ready(struct hif_opaque_softc *scn, void *cfg_ctx) |
| 158 | { |
| 159 | uint32_t value = 0; |
| 160 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
| 161 | struct hif_target_info *tgt_info = hif_get_target_info_handle(scn); |
| 162 | uint32_t target_type = tgt_info->target_type; |
| 163 | |
| 164 | if (hif_get_bus_type(scn) != QDF_BUS_TYPE_SDIO) |
| 165 | return; |
| 166 | status = hif_diag_read_mem(scn, |
| 167 | hif_hia_item_address(target_type, |
| 168 | offsetof(struct host_interest_s, hi_acs_flags)), |
| 169 | (uint8_t *)&value, sizeof(u_int32_t)); |
| 170 | |
| 171 | if (status != QDF_STATUS_SUCCESS) { |
| 172 | BMI_ERR("HIFDiagReadMem failed"); |
| 173 | return; |
| 174 | } |
| 175 | |
| 176 | if (value & HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_FW_ACK) { |
| 177 | BMI_ERR("MAILBOX SWAP Service is enabled!"); |
| 178 | hif_set_mailbox_swap(scn); |
| 179 | } |
| 180 | |
| 181 | if (value & HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_FW_ACK) |
| 182 | BMI_ERR("Reduced Tx Complete service is enabled!"); |
| 183 | } |