Toshi Kikuchi | d99495a | 2012-11-30 18:50:29 -0800 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2012 Marvell International Ltd. |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ******************************************************************************/ |
| 18 | |
| 19 | #define LOG_TAG "hardware_mrvl" |
| 20 | |
| 21 | #include <utils/Log.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <stdio.h> |
| 24 | #include <string.h> |
| 25 | #include <assert.h> |
| 26 | |
| 27 | #include "bt_vendor_lib.h" |
| 28 | #include "bt_hci_bdroid.h" |
| 29 | |
| 30 | #define HCI_CMD_MARVELL_WRITE_PCM_SETTINGS 0xFC07 |
| 31 | #define HCI_CMD_MARVELL_WRITE_PCM_SYNC_SETTINGS 0xFC28 |
| 32 | #define HCI_CMD_MARVELL_WRITE_PCM_LINK_SETTINGS 0xFC29 |
| 33 | #define HCI_CMD_MARVELL_SET_SCO_DATA_PATH 0xFC1D |
| 34 | #define HCI_CMD_MARVELL_WRITE_BD_ADDRESS 0xFC22 |
| 35 | |
| 36 | #define WRITE_PCM_SETTINGS_SIZE 1 |
| 37 | #define WRITE_PCM_SYNC_SETTINGS_SIZE 3 |
| 38 | #define WRITE_PCM_LINK_SETTINGS_SIZE 2 |
| 39 | #define SET_SCO_DATA_PATH_SIZE 1 |
| 40 | #define WRITE_BD_ADDRESS_SIZE 8 |
| 41 | |
| 42 | |
| 43 | #define HCI_CMD_PREAMBLE_SIZE 3 |
| 44 | |
| 45 | #define HCI_EVT_CMD_CMPL_OPCODE 3 |
| 46 | |
| 47 | #define STREAM_TO_UINT16(u16, p) \ |
| 48 | do { \ |
| 49 | u16 = ((uint16_t)(*(p)) + (((uint16_t)(*((p) + 1))) << 8)); \ |
| 50 | (p) += 2; \ |
| 51 | } while (0) |
| 52 | |
| 53 | #define UINT16_TO_STREAM(p, u16) \ |
| 54 | do { \ |
| 55 | *(p)++ = (uint8_t)(u16); \ |
| 56 | *(p)++ = (uint8_t)((u16) >> 8); \ |
| 57 | } while (0) |
| 58 | |
| 59 | struct bt_evt_param_t { |
| 60 | uint16_t cmd; |
| 61 | uint8_t cmd_ret_param; |
| 62 | }; |
| 63 | |
| 64 | /*********************************************************** |
| 65 | * Externs |
| 66 | *********************************************************** |
| 67 | */ |
| 68 | extern unsigned char bdaddr[6]; |
| 69 | extern bt_vendor_callbacks_t *vnd_cb; |
| 70 | |
| 71 | /*********************************************************** |
| 72 | * Local variables |
| 73 | *********************************************************** |
| 74 | */ |
| 75 | static uint8_t write_pcm_settings[WRITE_PCM_SETTINGS_SIZE] = { |
| 76 | 0x02 |
| 77 | }; |
| 78 | |
| 79 | static uint8_t write_pcm_sync_settings[WRITE_PCM_SYNC_SETTINGS_SIZE] = { |
| 80 | 0x03, |
| 81 | 0x00, |
| 82 | 0x03 |
| 83 | }; |
| 84 | |
| 85 | static uint8_t write_pcm_link_settings[WRITE_PCM_LINK_SETTINGS_SIZE] = { |
| 86 | 0x03, |
| 87 | 0x00 |
| 88 | }; |
| 89 | |
| 90 | static uint8_t set_sco_data_path[SET_SCO_DATA_PATH_SIZE] = { |
| 91 | 0x01 |
| 92 | }; |
| 93 | |
| 94 | static uint8_t write_bd_address[WRITE_BD_ADDRESS_SIZE] = { |
| 95 | 0xFE, /* Parameter ID */ |
| 96 | 0x06, /* bd_addr length */ |
| 97 | 0x00, /* 6th byte of bd_addr */ |
| 98 | 0x00, /* 5th */ |
| 99 | 0x00, /* 4th */ |
| 100 | 0x00, /* 3rd */ |
| 101 | 0x00, /* 2nd */ |
| 102 | 0x00 /* 1st */ |
| 103 | }; |
| 104 | |
| 105 | /*********************************************************** |
| 106 | * Local functions |
| 107 | *********************************************************** |
| 108 | */ |
| 109 | static char *cmd_to_str(uint16_t cmd) |
| 110 | { |
| 111 | switch (cmd) { |
| 112 | case HCI_CMD_MARVELL_WRITE_PCM_SETTINGS: |
| 113 | return "write_pcm_settings"; |
| 114 | case HCI_CMD_MARVELL_WRITE_PCM_SYNC_SETTINGS: |
| 115 | return "write_pcm_sync_settings"; |
| 116 | case HCI_CMD_MARVELL_WRITE_PCM_LINK_SETTINGS: |
| 117 | return "write_pcm_link_settings"; |
| 118 | case HCI_CMD_MARVELL_SET_SCO_DATA_PATH: |
| 119 | return "set_sco_data_path"; |
| 120 | case HCI_CMD_MARVELL_WRITE_BD_ADDRESS: |
| 121 | return "write_bd_address"; |
| 122 | default: |
| 123 | break; |
| 124 | } |
| 125 | |
| 126 | return "unknown command"; |
| 127 | } |
| 128 | |
| 129 | static void populate_bd_addr_params(uint8_t *params, uint8_t *addr) |
| 130 | { |
| 131 | assert(params && addr); |
| 132 | |
| 133 | *params++ = addr[5]; |
| 134 | *params++ = addr[4]; |
| 135 | *params++ = addr[3]; |
| 136 | *params++ = addr[2]; |
| 137 | *params++ = addr[1]; |
| 138 | *params = addr[0]; |
| 139 | } |
| 140 | |
| 141 | static HC_BT_HDR *build_cmd_buf(uint16_t cmd, uint8_t pl_len, uint8_t *payload) |
| 142 | { |
| 143 | HC_BT_HDR *p_buf = NULL; |
| 144 | uint16_t cmd_len = HCI_CMD_PREAMBLE_SIZE + pl_len; |
| 145 | uint8_t *p; |
| 146 | |
| 147 | assert(vnd_cb && payload); |
| 148 | |
| 149 | p_buf = (HC_BT_HDR *) vnd_cb->alloc(BT_HC_HDR_SIZE + cmd_len); |
| 150 | |
| 151 | if (!p_buf) |
| 152 | return NULL; |
| 153 | |
| 154 | p_buf->event = MSG_STACK_TO_HC_HCI_CMD; |
| 155 | p_buf->offset = 0; |
| 156 | p_buf->layer_specific = 0; |
| 157 | p_buf->len = cmd_len; |
| 158 | |
| 159 | p = (uint8_t *) (p_buf + 1); |
| 160 | |
| 161 | /* opcode */ |
| 162 | UINT16_TO_STREAM(p, cmd); |
| 163 | |
| 164 | /* length of payload */ |
| 165 | *p = pl_len; |
| 166 | ++p; |
| 167 | |
| 168 | /* payload */ |
| 169 | memcpy(p, payload, pl_len); |
| 170 | |
| 171 | return p_buf; |
| 172 | } |
| 173 | |
| 174 | static void parse_evt_buf(HC_BT_HDR *p_evt_buf, |
| 175 | struct bt_evt_param_t *evt_params) |
| 176 | { |
| 177 | uint8_t *p = (uint8_t *) (p_evt_buf + 1) + HCI_EVT_CMD_CMPL_OPCODE; |
| 178 | |
| 179 | assert(p_evt_buf && evt_params); |
| 180 | |
| 181 | /* opcode */ |
| 182 | STREAM_TO_UINT16(evt_params->cmd, p); |
| 183 | |
| 184 | /* command return parameter */ |
| 185 | evt_params->cmd_ret_param = *p; |
| 186 | } |
| 187 | |
| 188 | static void hw_mrvl_config_start_cb(void *p_mem) |
| 189 | { |
| 190 | HC_BT_HDR *p_evt_buf = (HC_BT_HDR *) p_mem; |
| 191 | struct bt_evt_param_t evt_params = {0, 0}; |
| 192 | |
| 193 | assert(vnd_cb && p_mem); |
| 194 | |
| 195 | parse_evt_buf(p_evt_buf, &evt_params); |
| 196 | |
| 197 | /* free the buffer */ |
| 198 | vnd_cb->dealloc(p_evt_buf); |
| 199 | |
| 200 | switch (evt_params.cmd) { |
| 201 | case HCI_CMD_MARVELL_WRITE_BD_ADDRESS: |
| 202 | /* fw config succeeds */ |
| 203 | ALOGI("FW config succeeds!"); |
| 204 | vnd_cb->fwcfg_cb(BT_VND_OP_RESULT_SUCCESS); |
| 205 | return; |
| 206 | |
| 207 | default: |
| 208 | ALOGE("Received event for unexpected cmd (0x%04hX). Fail.", |
| 209 | evt_params.cmd); |
| 210 | break; |
| 211 | } /* end of switch (evt_params.cmd) */ |
| 212 | |
| 213 | ALOGE("Vendor lib fwcfg aborted"); |
| 214 | vnd_cb->fwcfg_cb(BT_VND_OP_RESULT_FAIL); |
| 215 | } |
| 216 | |
| 217 | static void hw_mrvl_sco_config_cb(void *p_mem) |
| 218 | { |
| 219 | HC_BT_HDR *p_evt_buf = (HC_BT_HDR *) p_mem; |
| 220 | struct bt_evt_param_t evt_params = {0, 0}; |
| 221 | uint16_t cmd; |
| 222 | HC_BT_HDR *p_buf; |
| 223 | |
| 224 | assert(vnd_cb && p_mem); |
| 225 | |
| 226 | parse_evt_buf(p_evt_buf, &evt_params); |
| 227 | |
| 228 | /* free the buffer */ |
| 229 | vnd_cb->dealloc(p_evt_buf); |
| 230 | |
| 231 | switch (evt_params.cmd) { |
| 232 | case HCI_CMD_MARVELL_WRITE_PCM_SETTINGS: |
| 233 | /* Send HCI_CMD_MARVELL_WRITE_PCM_SYNC_SETTINGS */ |
| 234 | cmd = HCI_CMD_MARVELL_WRITE_PCM_SYNC_SETTINGS; |
| 235 | p_buf = build_cmd_buf(cmd, |
| 236 | WRITE_PCM_SYNC_SETTINGS_SIZE, |
| 237 | write_pcm_sync_settings); |
| 238 | break; |
| 239 | |
| 240 | case HCI_CMD_MARVELL_WRITE_PCM_SYNC_SETTINGS: |
| 241 | /* Send HCI_CMD_MARVELL_WRITE_PCM_LINK_SETTINGS */ |
| 242 | cmd = HCI_CMD_MARVELL_WRITE_PCM_LINK_SETTINGS; |
| 243 | p_buf = build_cmd_buf(cmd, |
| 244 | WRITE_PCM_LINK_SETTINGS_SIZE, |
| 245 | write_pcm_link_settings); |
| 246 | break; |
| 247 | |
| 248 | case HCI_CMD_MARVELL_WRITE_PCM_LINK_SETTINGS: |
| 249 | /* Send HCI_CMD_MARVELL_SET_SCO_DATA_PATH */ |
| 250 | cmd = HCI_CMD_MARVELL_SET_SCO_DATA_PATH; |
| 251 | p_buf = build_cmd_buf(cmd, |
| 252 | SET_SCO_DATA_PATH_SIZE, |
| 253 | set_sco_data_path); |
| 254 | break; |
| 255 | |
| 256 | case HCI_CMD_MARVELL_SET_SCO_DATA_PATH: |
| 257 | /* sco config succeeds */ |
| 258 | ALOGI("SCO PCM config succeeds!"); |
| 259 | vnd_cb->scocfg_cb(BT_VND_OP_RESULT_SUCCESS); |
| 260 | return; |
| 261 | |
| 262 | default: |
| 263 | ALOGE("Received event for unexpected cmd (0x%04hX). Fail.", |
| 264 | evt_params.cmd); |
| 265 | p_buf = NULL; |
| 266 | break; |
| 267 | } /* switch (evt_params.cmd) */ |
| 268 | |
| 269 | if (p_buf) { |
| 270 | ALOGI("Sending hci command 0x%04hX (%s)", cmd, cmd_to_str(cmd)); |
| 271 | if (vnd_cb->xmit_cb(cmd, p_buf, hw_mrvl_sco_config_cb)) |
| 272 | return; |
| 273 | else |
| 274 | vnd_cb->dealloc(p_buf); |
| 275 | } |
| 276 | |
| 277 | ALOGE("Vendor lib scocfg aborted"); |
| 278 | vnd_cb->scocfg_cb(BT_VND_OP_RESULT_FAIL); |
| 279 | } |
| 280 | |
| 281 | /*********************************************************** |
| 282 | * Global functions |
| 283 | *********************************************************** |
| 284 | */ |
| 285 | void hw_mrvl_config_start(void) |
| 286 | { |
| 287 | HC_BT_HDR *p_buf; |
| 288 | uint16_t cmd; |
| 289 | |
| 290 | assert(vnd_cb); |
| 291 | |
| 292 | ALOGI("Start HW config ..."); |
| 293 | /* Start with HCI_CMD_MARVELL_WRITE_BD_ADDRESS */ |
| 294 | ALOGI("Setting bd addr to %02hhX:%02hhX:%02hhX:%02hhX:%02hhX:%02hhX", |
| 295 | bdaddr[0], bdaddr[1], bdaddr[2], |
| 296 | bdaddr[3], bdaddr[4], bdaddr[5]); |
| 297 | populate_bd_addr_params(write_bd_address + 2, bdaddr); |
| 298 | |
| 299 | cmd = HCI_CMD_MARVELL_WRITE_BD_ADDRESS; |
| 300 | p_buf = build_cmd_buf(cmd, |
| 301 | WRITE_BD_ADDRESS_SIZE, |
| 302 | write_bd_address); |
| 303 | |
| 304 | if (p_buf) { |
| 305 | ALOGI("Sending hci command 0x%04hX (%s)", cmd, cmd_to_str(cmd)); |
| 306 | if (vnd_cb->xmit_cb(cmd, p_buf, hw_mrvl_config_start_cb)) |
| 307 | return; |
| 308 | else |
| 309 | vnd_cb->dealloc(p_buf); |
| 310 | } |
| 311 | |
| 312 | ALOGE("Vendor lib fwcfg aborted"); |
| 313 | vnd_cb->fwcfg_cb(BT_VND_OP_RESULT_FAIL); |
| 314 | } |
| 315 | |
| 316 | |
| 317 | void hw_mrvl_sco_config(void) |
| 318 | { |
| 319 | HC_BT_HDR *p_buf; |
| 320 | uint16_t cmd; |
| 321 | |
| 322 | assert(vnd_cb); |
| 323 | |
| 324 | ALOGI("Start SCO config ..."); |
| 325 | /* Start with HCI_CMD_MARVELL_WRITE_PCM_SETTINGS */ |
| 326 | cmd = HCI_CMD_MARVELL_WRITE_PCM_SETTINGS; |
| 327 | p_buf = build_cmd_buf(cmd, |
| 328 | WRITE_PCM_SETTINGS_SIZE, |
| 329 | write_pcm_settings); |
| 330 | |
| 331 | if (p_buf) { |
| 332 | ALOGI("Sending hci command 0x%04hX (%s)", cmd, cmd_to_str(cmd)); |
| 333 | if (vnd_cb->xmit_cb(cmd, p_buf, hw_mrvl_sco_config_cb)) |
| 334 | return; |
| 335 | else |
| 336 | vnd_cb->dealloc(p_buf); |
| 337 | } |
| 338 | |
| 339 | ALOGE("Vendor lib scocfg aborted"); |
| 340 | vnd_cb->scocfg_cb(BT_VND_OP_RESULT_FAIL); |
| 341 | } |