Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2011-2017, The Linux Foundation. All rights reserved. |
| 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 | |
| 14 | #include <linux/compat.h> |
| 15 | #include <linux/fs.h> |
| 16 | #include <linux/module.h> |
| 17 | #include <linux/miscdevice.h> |
| 18 | #include <linux/sched.h> |
| 19 | #include <linux/slab.h> |
| 20 | #include <linux/wait.h> |
| 21 | #include <linux/input.h> |
| 22 | #include <linux/uaccess.h> |
| 23 | #include <linux/time.h> |
| 24 | #include <linux/kmemleak.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 25 | #include <linux/mutex.h> |
Laxminath Kasam | 605b42f | 2017-08-01 22:02:15 +0530 | [diff] [blame] | 26 | #include <dsp/apr_audio-v2.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 27 | #include "q6usm.h" |
Laxminath Kasam | 605b42f | 2017-08-01 22:02:15 +0530 | [diff] [blame] | 28 | #include "usf.h" |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 29 | #include "usfcdev.h" |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame^] | 30 | #include "q6_init.h" |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 31 | |
| 32 | /* The driver version*/ |
| 33 | #define DRV_VERSION "1.7.1" |
| 34 | #define USF_VERSION_ID 0x0171 |
| 35 | |
| 36 | /* Standard timeout in the asynchronous ops */ |
| 37 | #define USF_TIMEOUT_JIFFIES (1*HZ) /* 1 sec */ |
| 38 | |
| 39 | /* Undefined USF device */ |
| 40 | #define USF_UNDEF_DEV_ID 0xffff |
| 41 | |
| 42 | /* TX memory mapping flag */ |
| 43 | #define USF_VM_READ 1 |
| 44 | /* RX memory mapping flag */ |
| 45 | #define USF_VM_WRITE 2 |
| 46 | |
| 47 | /* Number of events, copied from the user space to kernel one */ |
| 48 | #define USF_EVENTS_PORTION_SIZE 20 |
| 49 | |
| 50 | /* Indexes in range definitions */ |
| 51 | #define MIN_IND 0 |
| 52 | #define MAX_IND 1 |
| 53 | |
| 54 | /* The coordinates indexes */ |
| 55 | #define X_IND 0 |
| 56 | #define Y_IND 1 |
| 57 | #define Z_IND 2 |
| 58 | |
| 59 | /* Shared memory limits */ |
| 60 | /* max_buf_size = (port_size(65535*2) * port_num(8) * group_size(3) */ |
| 61 | #define USF_MAX_BUF_SIZE 3145680 |
| 62 | #define USF_MAX_BUF_NUM 32 |
| 63 | |
| 64 | /* max size for buffer set from user space */ |
| 65 | #define USF_MAX_USER_BUF_SIZE 100000 |
| 66 | |
| 67 | /* Place for opreation result, received from QDSP6 */ |
| 68 | #define APR_RESULT_IND 1 |
| 69 | |
| 70 | /* Place for US detection result, received from QDSP6 */ |
| 71 | #define APR_US_DETECT_RESULT_IND 0 |
| 72 | |
| 73 | #define BITS_IN_BYTE 8 |
| 74 | |
| 75 | /* Time to stay awake after tx read event (e.g., proximity) */ |
| 76 | #define STAY_AWAKE_AFTER_READ_MSECS 3000 |
| 77 | |
| 78 | /* The driver states */ |
| 79 | enum usf_state_type { |
| 80 | USF_IDLE_STATE, |
| 81 | USF_OPENED_STATE, |
| 82 | USF_CONFIGURED_STATE, |
| 83 | USF_WORK_STATE, |
| 84 | USF_ADSP_RESTART_STATE, |
| 85 | USF_ERROR_STATE |
| 86 | }; |
| 87 | |
| 88 | /* The US detection status upon FW/HW based US detection results */ |
| 89 | enum usf_us_detect_type { |
| 90 | USF_US_DETECT_UNDEF, |
| 91 | USF_US_DETECT_YES, |
| 92 | USF_US_DETECT_NO |
| 93 | }; |
| 94 | |
| 95 | struct usf_xx_type { |
| 96 | /* Name of the client - event calculator */ |
| 97 | char client_name[USF_MAX_CLIENT_NAME_SIZE]; |
| 98 | /* The driver state in TX or RX direction */ |
| 99 | enum usf_state_type usf_state; |
| 100 | /* wait for q6 events mechanism */ |
| 101 | wait_queue_head_t wait; |
| 102 | /* IF with q6usm info */ |
| 103 | struct us_client *usc; |
| 104 | /* Q6:USM' Encoder/decoder configuration */ |
| 105 | struct us_encdec_cfg encdec_cfg; |
| 106 | /* Shared buffer (with Q6:USM) size */ |
| 107 | uint32_t buffer_size; |
| 108 | /* Number of the shared buffers (with Q6:USM) */ |
| 109 | uint32_t buffer_count; |
| 110 | /* Shared memory (Cyclic buffer with 1 gap) control */ |
| 111 | uint32_t new_region; |
| 112 | uint32_t prev_region; |
| 113 | /* Q6:USM's events handler */ |
| 114 | void (*cb)(uint32_t, uint32_t, uint32_t *, void *); |
| 115 | /* US detection result */ |
| 116 | enum usf_us_detect_type us_detect_type; |
| 117 | /* User's update info isn't acceptable */ |
| 118 | u8 user_upd_info_na; |
| 119 | }; |
| 120 | |
| 121 | struct usf_type { |
| 122 | /* TX device component configuration & control */ |
| 123 | struct usf_xx_type usf_tx; |
| 124 | /* RX device component configuration & control */ |
| 125 | struct usf_xx_type usf_rx; |
| 126 | /* Index into the opened device container */ |
| 127 | /* To prevent mutual usage of the same device */ |
| 128 | uint16_t dev_ind; |
| 129 | /* Event types, supported by device */ |
| 130 | uint16_t event_types; |
| 131 | /* The input devices are "input" module registered clients */ |
| 132 | struct input_dev *input_ifs[USF_MAX_EVENT_IND]; |
| 133 | /* Bitmap of types of events, conflicting to USF's ones */ |
| 134 | uint16_t conflicting_event_types; |
| 135 | /* Bitmap of types of events from devs, conflicting with USF */ |
| 136 | uint16_t conflicting_event_filters; |
| 137 | /* The requested buttons bitmap */ |
| 138 | uint16_t req_buttons_bitmap; |
| 139 | /* Mutex for exclusive operations (all public APIs) */ |
| 140 | struct mutex mutex; |
| 141 | }; |
| 142 | |
| 143 | struct usf_input_dev_type { |
| 144 | /* Input event type, supported by the input device */ |
| 145 | uint16_t event_type; |
| 146 | /* Input device name */ |
| 147 | const char *input_dev_name; |
| 148 | /* Input device registration function */ |
| 149 | int (*prepare_dev)(uint16_t, struct usf_type *, |
| 150 | struct us_input_info_type *, |
| 151 | const char *); |
| 152 | /* Input event notification function */ |
| 153 | void (*notify_event)(struct usf_type *, |
| 154 | uint16_t, |
| 155 | struct usf_event_type * |
| 156 | ); |
| 157 | }; |
| 158 | |
| 159 | |
| 160 | /* The MAX number of the supported devices */ |
| 161 | #define MAX_DEVS_NUMBER 1 |
| 162 | |
| 163 | /* |
| 164 | * code for a special button that is used to show/hide a |
| 165 | * hovering cursor in the input framework. Must be in |
| 166 | * sync with the button code definition in the framework |
| 167 | * (EventHub.h) |
| 168 | */ |
| 169 | #define BTN_USF_HOVERING_CURSOR 0x230 |
| 170 | |
| 171 | /* Supported buttons container */ |
| 172 | static const int s_button_map[] = { |
| 173 | BTN_STYLUS, |
| 174 | BTN_STYLUS2, |
| 175 | BTN_TOOL_PEN, |
| 176 | BTN_TOOL_RUBBER, |
| 177 | BTN_TOOL_FINGER, |
| 178 | BTN_USF_HOVERING_CURSOR |
| 179 | }; |
| 180 | |
| 181 | /* The opened devices container */ |
| 182 | static atomic_t s_opened_devs[MAX_DEVS_NUMBER]; |
| 183 | |
| 184 | static struct wakeup_source usf_wakeup_source; |
| 185 | |
| 186 | #define USF_NAME_PREFIX "usf_" |
| 187 | #define USF_NAME_PREFIX_SIZE 4 |
| 188 | |
| 189 | |
| 190 | static struct input_dev *allocate_dev(uint16_t ind, const char *name) |
| 191 | { |
| 192 | struct input_dev *in_dev = input_allocate_device(); |
| 193 | |
| 194 | if (in_dev == NULL) { |
| 195 | pr_err("%s: input_allocate_device() failed\n", __func__); |
| 196 | } else { |
| 197 | /* Common part configuration */ |
| 198 | in_dev->name = name; |
| 199 | in_dev->phys = NULL; |
| 200 | in_dev->id.bustype = BUS_HOST; |
| 201 | in_dev->id.vendor = 0x0001; |
| 202 | in_dev->id.product = 0x0001; |
| 203 | in_dev->id.version = USF_VERSION_ID; |
| 204 | } |
| 205 | return in_dev; |
| 206 | } |
| 207 | |
| 208 | static int prepare_tsc_input_device(uint16_t ind, |
| 209 | struct usf_type *usf_info, |
| 210 | struct us_input_info_type *input_info, |
| 211 | const char *name) |
| 212 | { |
| 213 | int i = 0; |
| 214 | |
| 215 | int num_buttons = min(ARRAY_SIZE(s_button_map), |
| 216 | sizeof(input_info->req_buttons_bitmap) * |
| 217 | BITS_IN_BYTE); |
| 218 | uint16_t max_buttons_bitmap = ((1 << ARRAY_SIZE(s_button_map)) - 1); |
| 219 | |
| 220 | struct input_dev *in_dev = allocate_dev(ind, name); |
| 221 | |
| 222 | if (in_dev == NULL) |
| 223 | return -ENOMEM; |
| 224 | |
| 225 | if (input_info->req_buttons_bitmap > max_buttons_bitmap) { |
| 226 | pr_err("%s: Requested buttons[%d] exceeds max buttons available[%d]\n", |
| 227 | __func__, |
| 228 | input_info->req_buttons_bitmap, |
| 229 | max_buttons_bitmap); |
| 230 | input_free_device(in_dev); |
| 231 | return -EINVAL; |
| 232 | } |
| 233 | |
| 234 | usf_info->input_ifs[ind] = in_dev; |
| 235 | usf_info->req_buttons_bitmap = |
| 236 | input_info->req_buttons_bitmap; |
| 237 | in_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); |
| 238 | in_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); |
| 239 | |
| 240 | for (i = 0; i < num_buttons; i++) |
| 241 | if (input_info->req_buttons_bitmap & (1 << i)) |
| 242 | in_dev->keybit[BIT_WORD(s_button_map[i])] |= |
| 243 | BIT_MASK(s_button_map[i]); |
| 244 | |
| 245 | input_set_abs_params(in_dev, ABS_X, |
| 246 | input_info->tsc_x_dim[MIN_IND], |
| 247 | input_info->tsc_x_dim[MAX_IND], |
| 248 | 0, 0); |
| 249 | input_set_abs_params(in_dev, ABS_Y, |
| 250 | input_info->tsc_y_dim[MIN_IND], |
| 251 | input_info->tsc_y_dim[MAX_IND], |
| 252 | 0, 0); |
| 253 | input_set_abs_params(in_dev, ABS_DISTANCE, |
| 254 | input_info->tsc_z_dim[MIN_IND], |
| 255 | input_info->tsc_z_dim[MAX_IND], |
| 256 | 0, 0); |
| 257 | |
| 258 | input_set_abs_params(in_dev, ABS_PRESSURE, |
| 259 | input_info->tsc_pressure[MIN_IND], |
| 260 | input_info->tsc_pressure[MAX_IND], |
| 261 | 0, 0); |
| 262 | |
| 263 | input_set_abs_params(in_dev, ABS_TILT_X, |
| 264 | input_info->tsc_x_tilt[MIN_IND], |
| 265 | input_info->tsc_x_tilt[MAX_IND], |
| 266 | 0, 0); |
| 267 | input_set_abs_params(in_dev, ABS_TILT_Y, |
| 268 | input_info->tsc_y_tilt[MIN_IND], |
| 269 | input_info->tsc_y_tilt[MAX_IND], |
| 270 | 0, 0); |
| 271 | |
| 272 | return 0; |
| 273 | } |
| 274 | |
| 275 | static int prepare_mouse_input_device(uint16_t ind, struct usf_type *usf_info, |
| 276 | struct us_input_info_type *input_info, |
| 277 | const char *name) |
| 278 | { |
| 279 | struct input_dev *in_dev = allocate_dev(ind, name); |
| 280 | |
| 281 | if (in_dev == NULL) |
| 282 | return -ENOMEM; |
| 283 | |
| 284 | usf_info->input_ifs[ind] = in_dev; |
| 285 | in_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); |
| 286 | |
| 287 | in_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | |
| 288 | BIT_MASK(BTN_RIGHT) | |
| 289 | BIT_MASK(BTN_MIDDLE); |
| 290 | in_dev->relbit[0] = BIT_MASK(REL_X) | |
| 291 | BIT_MASK(REL_Y) | |
| 292 | BIT_MASK(REL_Z); |
| 293 | |
| 294 | return 0; |
| 295 | } |
| 296 | |
| 297 | static int prepare_keyboard_input_device( |
| 298 | uint16_t ind, |
| 299 | struct usf_type *usf_info, |
| 300 | struct us_input_info_type *input_info, |
| 301 | const char *name) |
| 302 | { |
| 303 | struct input_dev *in_dev = allocate_dev(ind, name); |
| 304 | |
| 305 | if (in_dev == NULL) |
| 306 | return -ENOMEM; |
| 307 | |
| 308 | usf_info->input_ifs[ind] = in_dev; |
| 309 | in_dev->evbit[0] |= BIT_MASK(EV_KEY); |
| 310 | /* All keys are permitted */ |
| 311 | memset(in_dev->keybit, 0xff, sizeof(in_dev->keybit)); |
| 312 | |
| 313 | return 0; |
| 314 | } |
| 315 | |
| 316 | static void notify_tsc_event(struct usf_type *usf_info, |
| 317 | uint16_t if_ind, |
| 318 | struct usf_event_type *event) |
| 319 | |
| 320 | { |
| 321 | int i = 0; |
| 322 | int num_buttons = min(ARRAY_SIZE(s_button_map), |
| 323 | sizeof(usf_info->req_buttons_bitmap) * |
| 324 | BITS_IN_BYTE); |
| 325 | |
| 326 | struct input_dev *input_if = usf_info->input_ifs[if_ind]; |
| 327 | struct point_event_type *pe = &(event->event_data.point_event); |
| 328 | |
| 329 | input_report_abs(input_if, ABS_X, pe->coordinates[X_IND]); |
| 330 | input_report_abs(input_if, ABS_Y, pe->coordinates[Y_IND]); |
| 331 | input_report_abs(input_if, ABS_DISTANCE, pe->coordinates[Z_IND]); |
| 332 | |
| 333 | input_report_abs(input_if, ABS_TILT_X, pe->inclinations[X_IND]); |
| 334 | input_report_abs(input_if, ABS_TILT_Y, pe->inclinations[Y_IND]); |
| 335 | |
| 336 | input_report_abs(input_if, ABS_PRESSURE, pe->pressure); |
| 337 | input_report_key(input_if, BTN_TOUCH, !!(pe->pressure)); |
| 338 | |
| 339 | for (i = 0; i < num_buttons; i++) { |
| 340 | uint16_t mask = (1 << i), |
| 341 | btn_state = !!(pe->buttons_state_bitmap & mask); |
| 342 | if (usf_info->req_buttons_bitmap & mask) |
| 343 | input_report_key(input_if, s_button_map[i], btn_state); |
| 344 | } |
| 345 | |
| 346 | input_sync(input_if); |
| 347 | |
| 348 | pr_debug("%s: TSC event: xyz[%d;%d;%d], incl[%d;%d], pressure[%d], buttons[%d]\n", |
| 349 | __func__, |
| 350 | pe->coordinates[X_IND], |
| 351 | pe->coordinates[Y_IND], |
| 352 | pe->coordinates[Z_IND], |
| 353 | pe->inclinations[X_IND], |
| 354 | pe->inclinations[Y_IND], |
| 355 | pe->pressure, |
| 356 | pe->buttons_state_bitmap); |
| 357 | } |
| 358 | |
| 359 | static void notify_mouse_event(struct usf_type *usf_info, |
| 360 | uint16_t if_ind, |
| 361 | struct usf_event_type *event) |
| 362 | { |
| 363 | struct input_dev *input_if = usf_info->input_ifs[if_ind]; |
| 364 | struct mouse_event_type *me = &(event->event_data.mouse_event); |
| 365 | |
| 366 | input_report_rel(input_if, REL_X, me->rels[X_IND]); |
| 367 | input_report_rel(input_if, REL_Y, me->rels[Y_IND]); |
| 368 | input_report_rel(input_if, REL_Z, me->rels[Z_IND]); |
| 369 | |
| 370 | input_report_key(input_if, BTN_LEFT, |
| 371 | me->buttons_states & USF_BUTTON_LEFT_MASK); |
| 372 | input_report_key(input_if, BTN_MIDDLE, |
| 373 | me->buttons_states & USF_BUTTON_MIDDLE_MASK); |
| 374 | input_report_key(input_if, BTN_RIGHT, |
| 375 | me->buttons_states & USF_BUTTON_RIGHT_MASK); |
| 376 | |
| 377 | input_sync(input_if); |
| 378 | |
| 379 | pr_debug("%s: mouse event: dx[%d], dy[%d], buttons_states[%d]\n", |
| 380 | __func__, me->rels[X_IND], |
| 381 | me->rels[Y_IND], me->buttons_states); |
| 382 | } |
| 383 | |
| 384 | static void notify_key_event(struct usf_type *usf_info, |
| 385 | uint16_t if_ind, |
| 386 | struct usf_event_type *event) |
| 387 | { |
| 388 | struct input_dev *input_if = usf_info->input_ifs[if_ind]; |
| 389 | struct key_event_type *ke = &(event->event_data.key_event); |
| 390 | |
| 391 | input_report_key(input_if, ke->key, ke->key_state); |
| 392 | input_sync(input_if); |
| 393 | pr_debug("%s: key event: key[%d], state[%d]\n", |
| 394 | __func__, |
| 395 | ke->key, |
| 396 | ke->key_state); |
| 397 | |
| 398 | } |
| 399 | |
| 400 | static struct usf_input_dev_type s_usf_input_devs[] = { |
| 401 | {USF_TSC_EVENT, "usf_tsc", |
| 402 | prepare_tsc_input_device, notify_tsc_event}, |
| 403 | {USF_TSC_PTR_EVENT, "usf_tsc_ptr", |
| 404 | prepare_tsc_input_device, notify_tsc_event}, |
| 405 | {USF_MOUSE_EVENT, "usf_mouse", |
| 406 | prepare_mouse_input_device, notify_mouse_event}, |
| 407 | {USF_KEYBOARD_EVENT, "usf_kb", |
| 408 | prepare_keyboard_input_device, notify_key_event}, |
| 409 | {USF_TSC_EXT_EVENT, "usf_tsc_ext", |
| 410 | prepare_tsc_input_device, notify_tsc_event}, |
| 411 | }; |
| 412 | |
| 413 | static void usf_rx_cb(uint32_t opcode, uint32_t token, |
| 414 | uint32_t *payload, void *priv) |
| 415 | { |
| 416 | struct usf_xx_type *usf_xx = (struct usf_xx_type *) priv; |
| 417 | |
| 418 | if (usf_xx == NULL) { |
| 419 | pr_err("%s: the private data is NULL\n", __func__); |
| 420 | return; |
| 421 | } |
| 422 | |
| 423 | switch (opcode) { |
| 424 | case Q6USM_EVENT_WRITE_DONE: |
| 425 | wake_up(&usf_xx->wait); |
| 426 | break; |
| 427 | |
| 428 | case RESET_EVENTS: |
| 429 | pr_err("%s: received RESET_EVENTS\n", __func__); |
| 430 | usf_xx->usf_state = USF_ADSP_RESTART_STATE; |
| 431 | wake_up(&usf_xx->wait); |
| 432 | break; |
| 433 | |
| 434 | default: |
| 435 | break; |
| 436 | } |
| 437 | } |
| 438 | |
| 439 | static void usf_tx_cb(uint32_t opcode, uint32_t token, |
| 440 | uint32_t *payload, void *priv) |
| 441 | { |
| 442 | struct usf_xx_type *usf_xx = (struct usf_xx_type *) priv; |
| 443 | |
| 444 | if (usf_xx == NULL) { |
| 445 | pr_err("%s: the private data is NULL\n", __func__); |
| 446 | return; |
| 447 | } |
| 448 | |
| 449 | switch (opcode) { |
| 450 | case Q6USM_EVENT_READ_DONE: |
| 451 | pr_debug("%s: acquiring %d msec wake lock\n", __func__, |
| 452 | STAY_AWAKE_AFTER_READ_MSECS); |
| 453 | __pm_wakeup_event(&usf_wakeup_source, |
| 454 | STAY_AWAKE_AFTER_READ_MSECS); |
| 455 | if (token == USM_WRONG_TOKEN) |
| 456 | usf_xx->usf_state = USF_ERROR_STATE; |
| 457 | usf_xx->new_region = token; |
| 458 | wake_up(&usf_xx->wait); |
| 459 | break; |
| 460 | |
| 461 | case Q6USM_EVENT_SIGNAL_DETECT_RESULT: |
| 462 | usf_xx->us_detect_type = (payload[APR_US_DETECT_RESULT_IND]) ? |
| 463 | USF_US_DETECT_YES : |
| 464 | USF_US_DETECT_NO; |
| 465 | |
| 466 | wake_up(&usf_xx->wait); |
| 467 | break; |
| 468 | |
| 469 | case APR_BASIC_RSP_RESULT: |
| 470 | if (payload[APR_RESULT_IND]) { |
| 471 | usf_xx->usf_state = USF_ERROR_STATE; |
| 472 | usf_xx->new_region = USM_WRONG_TOKEN; |
| 473 | wake_up(&usf_xx->wait); |
| 474 | } |
| 475 | break; |
| 476 | |
| 477 | case RESET_EVENTS: |
| 478 | pr_err("%s: received RESET_EVENTS\n", __func__); |
| 479 | usf_xx->usf_state = USF_ADSP_RESTART_STATE; |
| 480 | wake_up(&usf_xx->wait); |
| 481 | break; |
| 482 | |
| 483 | default: |
| 484 | break; |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | static void release_xx(struct usf_xx_type *usf_xx) |
| 489 | { |
| 490 | if (usf_xx != NULL) { |
| 491 | if (usf_xx->usc) { |
| 492 | q6usm_us_client_free(usf_xx->usc); |
| 493 | usf_xx->usc = NULL; |
| 494 | } |
| 495 | |
| 496 | if (usf_xx->encdec_cfg.params != NULL) { |
| 497 | kfree(usf_xx->encdec_cfg.params); |
| 498 | usf_xx->encdec_cfg.params = NULL; |
| 499 | } |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | static void usf_disable(struct usf_xx_type *usf_xx) |
| 504 | { |
| 505 | if (usf_xx != NULL) { |
| 506 | if ((usf_xx->usf_state != USF_IDLE_STATE) && |
| 507 | (usf_xx->usf_state != USF_OPENED_STATE)) { |
| 508 | (void)q6usm_cmd(usf_xx->usc, CMD_CLOSE); |
| 509 | usf_xx->usf_state = USF_OPENED_STATE; |
| 510 | wake_up(&usf_xx->wait); |
| 511 | } |
| 512 | release_xx(usf_xx); |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | static int config_xx(struct usf_xx_type *usf_xx, struct us_xx_info_type *config) |
| 517 | { |
| 518 | int rc = 0; |
| 519 | uint16_t data_map_size = 0; |
| 520 | uint16_t min_map_size = 0; |
| 521 | |
| 522 | if ((usf_xx == NULL) || |
| 523 | (config == NULL)) |
| 524 | return -EINVAL; |
| 525 | |
| 526 | if ((config->buf_size == 0) || |
| 527 | (config->buf_size > USF_MAX_BUF_SIZE) || |
| 528 | (config->buf_num == 0) || |
| 529 | (config->buf_num > USF_MAX_BUF_NUM)) { |
| 530 | pr_err("%s: wrong params: buf_size=%d; buf_num=%d\n", |
| 531 | __func__, config->buf_size, config->buf_num); |
| 532 | return -EINVAL; |
| 533 | } |
| 534 | |
| 535 | data_map_size = sizeof(usf_xx->encdec_cfg.cfg_common.data_map); |
| 536 | min_map_size = min(data_map_size, config->port_cnt); |
| 537 | |
| 538 | if (config->client_name != NULL) { |
| 539 | if (strncpy_from_user(usf_xx->client_name, |
| 540 | (char __user *)config->client_name, |
| 541 | sizeof(usf_xx->client_name) - 1) < 0) { |
| 542 | pr_err("%s: get client name failed\n", __func__); |
| 543 | return -EINVAL; |
| 544 | } |
| 545 | } |
| 546 | |
| 547 | pr_debug("%s: name=%s; buf_size:%d; dev_id:0x%x; sample_rate:%d\n", |
| 548 | __func__, usf_xx->client_name, config->buf_size, |
| 549 | config->dev_id, config->sample_rate); |
| 550 | |
| 551 | pr_debug("%s: buf_num:%d; format:%d; port_cnt:%d; data_size=%d\n", |
| 552 | __func__, config->buf_num, config->stream_format, |
| 553 | config->port_cnt, config->params_data_size); |
| 554 | |
| 555 | pr_debug("%s: id[0]=%d, id[1]=%d, id[2]=%d, id[3]=%d, id[4]=%d,\n", |
| 556 | __func__, |
| 557 | config->port_id[0], |
| 558 | config->port_id[1], |
| 559 | config->port_id[2], |
| 560 | config->port_id[3], |
| 561 | config->port_id[4]); |
| 562 | |
| 563 | pr_debug("id[5]=%d, id[6]=%d, id[7]=%d\n", |
| 564 | config->port_id[5], |
| 565 | config->port_id[6], |
| 566 | config->port_id[7]); |
| 567 | |
| 568 | /* q6usm allocation & configuration */ |
| 569 | usf_xx->buffer_size = config->buf_size; |
| 570 | usf_xx->buffer_count = config->buf_num; |
| 571 | usf_xx->encdec_cfg.cfg_common.bits_per_sample = |
| 572 | config->bits_per_sample; |
| 573 | usf_xx->encdec_cfg.cfg_common.sample_rate = config->sample_rate; |
| 574 | /* AFE port e.g. AFE_PORT_ID_SLIMBUS_MULTI_CHAN_1_RX */ |
| 575 | usf_xx->encdec_cfg.cfg_common.dev_id = config->dev_id; |
| 576 | |
| 577 | usf_xx->encdec_cfg.cfg_common.ch_cfg = config->port_cnt; |
| 578 | memcpy((void *)&usf_xx->encdec_cfg.cfg_common.data_map, |
| 579 | (void *)config->port_id, |
| 580 | min_map_size); |
| 581 | |
| 582 | usf_xx->encdec_cfg.format_id = config->stream_format; |
| 583 | usf_xx->encdec_cfg.params_size = config->params_data_size; |
| 584 | usf_xx->user_upd_info_na = 1; /* it's used in US_GET_TX_UPDATE */ |
| 585 | |
| 586 | if (config->params_data_size > 0) { /* transparent data copy */ |
| 587 | usf_xx->encdec_cfg.params = kzalloc(config->params_data_size, |
| 588 | GFP_KERNEL); |
| 589 | /* False memory leak here - pointer in packed struct |
| 590 | * is undetected by kmemleak tool |
| 591 | */ |
| 592 | kmemleak_ignore(usf_xx->encdec_cfg.params); |
| 593 | if (usf_xx->encdec_cfg.params == NULL) { |
| 594 | pr_err("%s: params memory alloc[%d] failure\n", |
| 595 | __func__, |
| 596 | config->params_data_size); |
| 597 | return -ENOMEM; |
| 598 | } |
| 599 | rc = copy_from_user(usf_xx->encdec_cfg.params, |
| 600 | (uint8_t __user *)config->params_data, |
| 601 | config->params_data_size); |
| 602 | if (rc) { |
| 603 | pr_err("%s: transparent data copy failure\n", |
| 604 | __func__); |
| 605 | kfree(usf_xx->encdec_cfg.params); |
| 606 | usf_xx->encdec_cfg.params = NULL; |
| 607 | return -EFAULT; |
| 608 | } |
| 609 | pr_debug("%s: params_size[%d]; params[%d,%d,%d,%d, %d]\n", |
| 610 | __func__, |
| 611 | config->params_data_size, |
| 612 | usf_xx->encdec_cfg.params[0], |
| 613 | usf_xx->encdec_cfg.params[1], |
| 614 | usf_xx->encdec_cfg.params[2], |
| 615 | usf_xx->encdec_cfg.params[3], |
| 616 | usf_xx->encdec_cfg.params[4] |
| 617 | ); |
| 618 | } |
| 619 | |
| 620 | usf_xx->usc = q6usm_us_client_alloc(usf_xx->cb, (void *)usf_xx); |
| 621 | if (!usf_xx->usc) { |
| 622 | pr_err("%s: Could not allocate q6usm client\n", __func__); |
| 623 | rc = -EFAULT; |
| 624 | } |
| 625 | |
| 626 | return rc; |
| 627 | } |
| 628 | |
| 629 | static bool usf_match(uint16_t event_type_ind, struct input_dev *dev) |
| 630 | { |
| 631 | bool rc = false; |
| 632 | |
| 633 | rc = (event_type_ind < MAX_EVENT_TYPE_NUM) && |
| 634 | ((dev->name == NULL) || |
| 635 | strcmp(dev->name, USF_NAME_PREFIX)); |
| 636 | pr_debug("%s: name=[%s]; rc=%d\n", |
| 637 | __func__, dev->name, rc); |
| 638 | |
| 639 | return rc; |
| 640 | } |
| 641 | |
| 642 | static bool usf_register_conflicting_events(uint16_t event_types) |
| 643 | { |
| 644 | bool rc = true; |
| 645 | uint16_t ind = 0; |
| 646 | uint16_t mask = 1; |
| 647 | |
| 648 | for (ind = 0; ind < MAX_EVENT_TYPE_NUM; ++ind) { |
| 649 | if (event_types & mask) { |
| 650 | rc = usfcdev_register(ind, usf_match); |
| 651 | if (!rc) |
| 652 | break; |
| 653 | } |
| 654 | mask = mask << 1; |
| 655 | } |
| 656 | |
| 657 | return rc; |
| 658 | } |
| 659 | |
| 660 | static void usf_unregister_conflicting_events(uint16_t event_types) |
| 661 | { |
| 662 | uint16_t ind = 0; |
| 663 | uint16_t mask = 1; |
| 664 | |
| 665 | for (ind = 0; ind < MAX_EVENT_TYPE_NUM; ++ind) { |
| 666 | if (event_types & mask) |
| 667 | usfcdev_unregister(ind); |
| 668 | mask = mask << 1; |
| 669 | } |
| 670 | } |
| 671 | |
| 672 | static void usf_set_event_filters(struct usf_type *usf, uint16_t event_filters) |
| 673 | { |
| 674 | uint16_t ind = 0; |
| 675 | uint16_t mask = 1; |
| 676 | |
| 677 | if (usf->conflicting_event_filters != event_filters) { |
| 678 | for (ind = 0; ind < MAX_EVENT_TYPE_NUM; ++ind) { |
| 679 | if (usf->conflicting_event_types & mask) |
| 680 | usfcdev_set_filter(ind, event_filters&mask); |
| 681 | mask = mask << 1; |
| 682 | } |
| 683 | usf->conflicting_event_filters = event_filters; |
| 684 | } |
| 685 | } |
| 686 | |
| 687 | static int register_input_device(struct usf_type *usf_info, |
| 688 | struct us_input_info_type *input_info) |
| 689 | { |
| 690 | int rc = 0; |
| 691 | bool ret = true; |
| 692 | uint16_t ind = 0; |
| 693 | |
| 694 | if ((usf_info == NULL) || |
| 695 | (input_info == NULL) || |
| 696 | !(input_info->event_types & USF_ALL_EVENTS)) { |
| 697 | pr_err("%s: wrong input parameter(s)\n", __func__); |
| 698 | return -EINVAL; |
| 699 | } |
| 700 | |
| 701 | for (ind = 0; ind < USF_MAX_EVENT_IND; ++ind) { |
| 702 | if (usf_info->input_ifs[ind] != NULL) { |
| 703 | pr_err("%s: input_if[%d] is already allocated\n", |
| 704 | __func__, ind); |
| 705 | return -EFAULT; |
| 706 | } |
| 707 | if ((input_info->event_types & |
| 708 | s_usf_input_devs[ind].event_type) && |
| 709 | s_usf_input_devs[ind].prepare_dev) { |
| 710 | rc = (*s_usf_input_devs[ind].prepare_dev)( |
| 711 | ind, |
| 712 | usf_info, |
| 713 | input_info, |
| 714 | s_usf_input_devs[ind].input_dev_name); |
| 715 | if (rc) |
| 716 | return rc; |
| 717 | |
| 718 | rc = input_register_device(usf_info->input_ifs[ind]); |
| 719 | if (rc) { |
| 720 | pr_err("%s: input_reg_dev() failed; rc=%d\n", |
| 721 | __func__, rc); |
| 722 | input_free_device(usf_info->input_ifs[ind]); |
| 723 | usf_info->input_ifs[ind] = NULL; |
| 724 | } else { |
| 725 | usf_info->event_types |= |
| 726 | s_usf_input_devs[ind].event_type; |
| 727 | pr_debug("%s: input device[%s] was registered\n", |
| 728 | __func__, |
| 729 | s_usf_input_devs[ind].input_dev_name); |
| 730 | } |
| 731 | } /* supported event */ |
| 732 | } /* event types loop */ |
| 733 | |
| 734 | ret = usf_register_conflicting_events( |
| 735 | input_info->conflicting_event_types); |
| 736 | if (ret) |
| 737 | usf_info->conflicting_event_types = |
| 738 | input_info->conflicting_event_types; |
| 739 | |
| 740 | return 0; |
| 741 | } |
| 742 | |
| 743 | |
| 744 | static void handle_input_event(struct usf_type *usf_info, |
| 745 | uint16_t event_counter, |
| 746 | struct usf_event_type __user *event) |
| 747 | { |
| 748 | uint16_t ind = 0; |
| 749 | uint16_t events_num = 0; |
| 750 | struct usf_event_type usf_events[USF_EVENTS_PORTION_SIZE]; |
| 751 | int rc = 0; |
| 752 | |
| 753 | if ((usf_info == NULL) || |
| 754 | (event == NULL) || (!event_counter)) { |
| 755 | return; |
| 756 | } |
| 757 | |
| 758 | while (event_counter > 0) { |
| 759 | if (event_counter > USF_EVENTS_PORTION_SIZE) { |
| 760 | events_num = USF_EVENTS_PORTION_SIZE; |
| 761 | event_counter -= USF_EVENTS_PORTION_SIZE; |
| 762 | } else { |
| 763 | events_num = event_counter; |
| 764 | event_counter = 0; |
| 765 | } |
| 766 | rc = copy_from_user(usf_events, |
| 767 | (struct usf_event_type __user *)event, |
| 768 | events_num * sizeof(struct usf_event_type)); |
| 769 | if (rc) { |
| 770 | pr_err("%s: copy upd_rx_info from user; rc=%d\n", |
| 771 | __func__, rc); |
| 772 | return; |
| 773 | } |
| 774 | for (ind = 0; ind < events_num; ++ind) { |
| 775 | struct usf_event_type *p_event = &usf_events[ind]; |
| 776 | uint16_t if_ind = p_event->event_type_ind; |
| 777 | |
| 778 | if ((if_ind >= USF_MAX_EVENT_IND) || |
| 779 | (usf_info->input_ifs[if_ind] == NULL)) |
| 780 | continue; /* event isn't supported */ |
| 781 | |
| 782 | if (s_usf_input_devs[if_ind].notify_event) |
| 783 | (*s_usf_input_devs[if_ind].notify_event)( |
| 784 | usf_info, |
| 785 | if_ind, |
| 786 | p_event); |
| 787 | } /* loop in the portion */ |
| 788 | } /* all events loop */ |
| 789 | } |
| 790 | |
| 791 | static int usf_start_tx(struct usf_xx_type *usf_xx) |
| 792 | { |
| 793 | int rc = q6usm_run(usf_xx->usc, 0, 0, 0); |
| 794 | |
| 795 | pr_debug("%s: tx: q6usm_run; rc=%d\n", __func__, rc); |
| 796 | if (!rc) { |
| 797 | if (usf_xx->buffer_count >= USM_MIN_BUF_CNT) { |
| 798 | /* supply all buffers */ |
| 799 | rc = q6usm_read(usf_xx->usc, |
| 800 | usf_xx->buffer_count); |
| 801 | pr_debug("%s: q6usm_read[%d]\n", |
| 802 | __func__, rc); |
| 803 | |
| 804 | if (rc) |
| 805 | pr_err("%s: buf read failed", |
| 806 | __func__); |
| 807 | else |
| 808 | usf_xx->usf_state = |
| 809 | USF_WORK_STATE; |
| 810 | } else |
| 811 | usf_xx->usf_state = |
| 812 | USF_WORK_STATE; |
| 813 | } |
| 814 | |
| 815 | return rc; |
| 816 | } /* usf_start_tx */ |
| 817 | |
| 818 | static int usf_start_rx(struct usf_xx_type *usf_xx) |
| 819 | { |
| 820 | int rc = q6usm_run(usf_xx->usc, 0, 0, 0); |
| 821 | |
| 822 | pr_debug("%s: rx: q6usm_run; rc=%d\n", |
| 823 | __func__, rc); |
| 824 | if (!rc) |
| 825 | usf_xx->usf_state = USF_WORK_STATE; |
| 826 | |
| 827 | return rc; |
| 828 | } /* usf_start_rx */ |
| 829 | |
| 830 | static int __usf_set_us_detection(struct usf_type *usf, |
| 831 | struct us_detect_info_type *detect_info) |
| 832 | { |
| 833 | uint32_t timeout = 0; |
| 834 | struct usm_session_cmd_detect_info *p_allocated_memory = NULL; |
| 835 | struct usm_session_cmd_detect_info usm_detect_info; |
| 836 | struct usm_session_cmd_detect_info *p_usm_detect_info = |
| 837 | &usm_detect_info; |
| 838 | uint32_t detect_info_size = sizeof(struct usm_session_cmd_detect_info); |
| 839 | struct usf_xx_type *usf_xx = &usf->usf_tx; |
| 840 | int rc = 0; |
| 841 | |
| 842 | if (detect_info->us_detector != US_DETECT_FW) { |
| 843 | pr_err("%s: unsupported detector: %d\n", |
| 844 | __func__, detect_info->us_detector); |
| 845 | return -EINVAL; |
| 846 | } |
| 847 | |
| 848 | if ((detect_info->params_data_size != 0) && |
| 849 | (detect_info->params_data != NULL)) { |
| 850 | uint8_t *p_data = NULL; |
| 851 | |
| 852 | detect_info_size += detect_info->params_data_size; |
| 853 | p_allocated_memory = kzalloc(detect_info_size, GFP_KERNEL); |
| 854 | if (p_allocated_memory == NULL) { |
| 855 | pr_err("%s: detect_info[%d] allocation failed\n", |
| 856 | __func__, detect_info_size); |
| 857 | return -ENOMEM; |
| 858 | } |
| 859 | p_usm_detect_info = p_allocated_memory; |
| 860 | p_data = (uint8_t *)p_usm_detect_info + |
| 861 | sizeof(struct usm_session_cmd_detect_info); |
| 862 | |
| 863 | rc = copy_from_user(p_data, |
| 864 | (uint8_t __user *)(detect_info->params_data), |
| 865 | detect_info->params_data_size); |
| 866 | if (rc) { |
| 867 | pr_err("%s: copy params from user; rc=%d\n", |
| 868 | __func__, rc); |
| 869 | kfree(p_allocated_memory); |
| 870 | return -EFAULT; |
| 871 | } |
| 872 | p_usm_detect_info->algorithm_cfg_size = |
| 873 | detect_info->params_data_size; |
| 874 | } else |
| 875 | usm_detect_info.algorithm_cfg_size = 0; |
| 876 | |
| 877 | p_usm_detect_info->detect_mode = detect_info->us_detect_mode; |
| 878 | p_usm_detect_info->skip_interval = detect_info->skip_time; |
| 879 | |
| 880 | usf_xx->us_detect_type = USF_US_DETECT_UNDEF; |
| 881 | |
| 882 | rc = q6usm_set_us_detection(usf_xx->usc, |
| 883 | p_usm_detect_info, |
| 884 | detect_info_size); |
| 885 | if (rc || (detect_info->detect_timeout == USF_NO_WAIT_TIMEOUT)) { |
| 886 | kfree(p_allocated_memory); |
| 887 | return rc; |
| 888 | } |
| 889 | |
| 890 | /* Get US detection result */ |
| 891 | if (detect_info->detect_timeout == USF_INFINITIVE_TIMEOUT) { |
| 892 | rc = wait_event_interruptible(usf_xx->wait, |
| 893 | (usf_xx->us_detect_type != |
| 894 | USF_US_DETECT_UNDEF) || |
| 895 | (usf_xx->usf_state == |
| 896 | USF_ADSP_RESTART_STATE)); |
| 897 | } else { |
| 898 | if (detect_info->detect_timeout == USF_DEFAULT_TIMEOUT) |
| 899 | timeout = USF_TIMEOUT_JIFFIES; |
| 900 | else |
| 901 | timeout = detect_info->detect_timeout * HZ; |
| 902 | } |
| 903 | rc = wait_event_interruptible_timeout(usf_xx->wait, |
| 904 | (usf_xx->us_detect_type != |
| 905 | USF_US_DETECT_UNDEF) || |
| 906 | (usf_xx->usf_state == |
| 907 | USF_ADSP_RESTART_STATE), timeout); |
| 908 | |
| 909 | /* In the case of aDSP restart, "no US" is assumed */ |
| 910 | if (usf_xx->usf_state == USF_ADSP_RESTART_STATE) |
| 911 | rc = -EFAULT; |
| 912 | |
| 913 | /* In the case of timeout, "no US" is assumed */ |
| 914 | if (rc < 0) |
| 915 | pr_err("%s: Getting US detection failed rc[%d]\n", |
| 916 | __func__, rc); |
| 917 | else { |
| 918 | usf->usf_rx.us_detect_type = usf->usf_tx.us_detect_type; |
| 919 | detect_info->is_us = |
| 920 | (usf_xx->us_detect_type == USF_US_DETECT_YES); |
| 921 | } |
| 922 | |
| 923 | kfree(p_allocated_memory); |
| 924 | |
| 925 | return rc; |
| 926 | } /* __usf_set_us_detection */ |
| 927 | |
| 928 | static int usf_set_us_detection(struct usf_type *usf, unsigned long arg) |
| 929 | { |
| 930 | struct us_detect_info_type detect_info; |
| 931 | |
| 932 | int rc = copy_from_user(&detect_info, |
| 933 | (struct us_detect_info_type __user *) arg, |
| 934 | sizeof(detect_info)); |
| 935 | |
| 936 | if (rc) { |
| 937 | pr_err("%s: copy detect_info from user; rc=%d\n", |
| 938 | __func__, rc); |
| 939 | return -EFAULT; |
| 940 | } |
| 941 | |
| 942 | if (detect_info.params_data_size > USF_MAX_USER_BUF_SIZE) { |
| 943 | pr_err("%s: user buffer size exceeds maximum\n", |
| 944 | __func__); |
| 945 | return -EFAULT; |
| 946 | } |
| 947 | |
| 948 | rc = __usf_set_us_detection(usf, &detect_info); |
| 949 | if (rc < 0) { |
| 950 | pr_err("%s: set us detection failed; rc=%d\n", |
| 951 | __func__, rc); |
| 952 | return rc; |
| 953 | } |
| 954 | |
| 955 | rc = copy_to_user((void __user *)arg, |
| 956 | &detect_info, |
| 957 | sizeof(detect_info)); |
| 958 | if (rc) { |
| 959 | pr_err("%s: copy detect_info to user; rc=%d\n", |
| 960 | __func__, rc); |
| 961 | rc = -EFAULT; |
| 962 | } |
| 963 | |
| 964 | return rc; |
| 965 | } /* usf_set_us_detection */ |
| 966 | |
| 967 | static int __usf_set_tx_info(struct usf_type *usf, |
| 968 | struct us_tx_info_type *config_tx) |
| 969 | { |
| 970 | struct usf_xx_type *usf_xx = &usf->usf_tx; |
| 971 | int rc = 0; |
| 972 | |
| 973 | usf_xx->new_region = USM_UNDEF_TOKEN; |
| 974 | usf_xx->prev_region = USM_UNDEF_TOKEN; |
| 975 | usf_xx->cb = usf_tx_cb; |
| 976 | |
| 977 | init_waitqueue_head(&usf_xx->wait); |
| 978 | |
| 979 | if (config_tx->us_xx_info.client_name != NULL) { |
| 980 | int res = strncpy_from_user( |
| 981 | usf_xx->client_name, |
| 982 | (char __user *)(config_tx->us_xx_info.client_name), |
| 983 | sizeof(usf_xx->client_name)-1); |
| 984 | if (res < 0) { |
| 985 | pr_err("%s: get client name failed\n", |
| 986 | __func__); |
| 987 | return -EINVAL; |
| 988 | } |
| 989 | } |
| 990 | |
| 991 | rc = config_xx(usf_xx, &(config_tx->us_xx_info)); |
| 992 | if (rc) |
| 993 | return rc; |
| 994 | |
| 995 | rc = q6usm_open_read(usf_xx->usc, |
| 996 | usf_xx->encdec_cfg.format_id); |
| 997 | if (rc) |
| 998 | return rc; |
| 999 | |
| 1000 | rc = q6usm_us_client_buf_alloc(OUT, usf_xx->usc, |
| 1001 | usf_xx->buffer_size, |
| 1002 | usf_xx->buffer_count); |
| 1003 | if (rc) { |
| 1004 | (void)q6usm_cmd(usf_xx->usc, CMD_CLOSE); |
| 1005 | return rc; |
| 1006 | } |
| 1007 | |
| 1008 | rc = q6usm_us_param_buf_alloc(OUT, usf_xx->usc, |
| 1009 | config_tx->us_xx_info.max_get_set_param_buf_size); |
| 1010 | if (rc) { |
| 1011 | (void)q6usm_cmd(usf_xx->usc, CMD_CLOSE); |
| 1012 | return rc; |
| 1013 | } |
| 1014 | |
| 1015 | rc = q6usm_enc_cfg_blk(usf_xx->usc, |
| 1016 | &usf_xx->encdec_cfg); |
| 1017 | if (!rc && |
| 1018 | (config_tx->input_info.event_types != USF_NO_EVENT)) { |
| 1019 | rc = register_input_device(usf, |
| 1020 | &(config_tx->input_info)); |
| 1021 | } |
| 1022 | |
| 1023 | if (rc) |
| 1024 | (void)q6usm_cmd(usf_xx->usc, CMD_CLOSE); |
| 1025 | else |
| 1026 | usf_xx->usf_state = USF_CONFIGURED_STATE; |
| 1027 | |
| 1028 | return rc; |
| 1029 | } /* __usf_set_tx_info */ |
| 1030 | |
| 1031 | static int usf_set_tx_info(struct usf_type *usf, unsigned long arg) |
| 1032 | { |
| 1033 | struct us_tx_info_type config_tx; |
| 1034 | |
| 1035 | int rc = copy_from_user(&config_tx, |
| 1036 | (struct us_tx_info_type __user *) arg, |
| 1037 | sizeof(config_tx)); |
| 1038 | |
| 1039 | if (rc) { |
| 1040 | pr_err("%s: copy config_tx from user; rc=%d\n", |
| 1041 | __func__, rc); |
| 1042 | return -EFAULT; |
| 1043 | } |
| 1044 | |
| 1045 | if (config_tx.us_xx_info.params_data_size > USF_MAX_USER_BUF_SIZE) { |
| 1046 | pr_err("%s: user buffer size exceeds maximum\n", |
| 1047 | __func__); |
| 1048 | return -EFAULT; |
| 1049 | } |
| 1050 | |
| 1051 | return __usf_set_tx_info(usf, &config_tx); |
| 1052 | } /* usf_set_tx_info */ |
| 1053 | |
| 1054 | static int __usf_set_rx_info(struct usf_type *usf, |
| 1055 | struct us_rx_info_type *config_rx) |
| 1056 | { |
| 1057 | struct usf_xx_type *usf_xx = &usf->usf_rx; |
| 1058 | int rc = 0; |
| 1059 | |
| 1060 | usf_xx->new_region = USM_UNDEF_TOKEN; |
| 1061 | usf_xx->prev_region = USM_UNDEF_TOKEN; |
| 1062 | |
| 1063 | usf_xx->cb = usf_rx_cb; |
| 1064 | |
| 1065 | rc = config_xx(usf_xx, &(config_rx->us_xx_info)); |
| 1066 | if (rc) |
| 1067 | return rc; |
| 1068 | |
| 1069 | rc = q6usm_open_write(usf_xx->usc, |
| 1070 | usf_xx->encdec_cfg.format_id); |
| 1071 | if (rc) |
| 1072 | return rc; |
| 1073 | |
| 1074 | rc = q6usm_us_client_buf_alloc( |
| 1075 | IN, |
| 1076 | usf_xx->usc, |
| 1077 | usf_xx->buffer_size, |
| 1078 | usf_xx->buffer_count); |
| 1079 | if (rc) { |
| 1080 | (void)q6usm_cmd(usf_xx->usc, CMD_CLOSE); |
| 1081 | return rc; |
| 1082 | } |
| 1083 | |
| 1084 | rc = q6usm_us_param_buf_alloc(IN, usf_xx->usc, |
| 1085 | config_rx->us_xx_info.max_get_set_param_buf_size); |
| 1086 | if (rc) { |
| 1087 | (void)q6usm_cmd(usf_xx->usc, CMD_CLOSE); |
| 1088 | return rc; |
| 1089 | } |
| 1090 | |
| 1091 | rc = q6usm_dec_cfg_blk(usf_xx->usc, |
| 1092 | &usf_xx->encdec_cfg); |
| 1093 | if (rc) |
| 1094 | (void)q6usm_cmd(usf_xx->usc, CMD_CLOSE); |
| 1095 | else { |
| 1096 | init_waitqueue_head(&usf_xx->wait); |
| 1097 | usf_xx->usf_state = USF_CONFIGURED_STATE; |
| 1098 | } |
| 1099 | |
| 1100 | return rc; |
| 1101 | } /* __usf_set_rx_info */ |
| 1102 | |
| 1103 | static int usf_set_rx_info(struct usf_type *usf, unsigned long arg) |
| 1104 | { |
| 1105 | struct us_rx_info_type config_rx; |
| 1106 | |
| 1107 | int rc = copy_from_user(&config_rx, |
| 1108 | (struct us_rx_info_type __user *) arg, |
| 1109 | sizeof(config_rx)); |
| 1110 | |
| 1111 | if (rc) { |
| 1112 | pr_err("%s: copy config_rx from user; rc=%d\n", |
| 1113 | __func__, rc); |
| 1114 | return -EFAULT; |
| 1115 | } |
| 1116 | |
| 1117 | if (config_rx.us_xx_info.params_data_size > USF_MAX_USER_BUF_SIZE) { |
| 1118 | pr_err("%s: user buffer size exceeds maximum\n", |
| 1119 | __func__); |
| 1120 | return -EFAULT; |
| 1121 | } |
| 1122 | |
| 1123 | return __usf_set_rx_info(usf, &config_rx); |
| 1124 | } /* usf_set_rx_info */ |
| 1125 | |
| 1126 | static int __usf_get_tx_update(struct usf_type *usf, |
| 1127 | struct us_tx_update_info_type *upd_tx_info) |
| 1128 | { |
| 1129 | unsigned long prev_jiffies = 0; |
| 1130 | uint32_t timeout = 0; |
| 1131 | struct usf_xx_type *usf_xx = &usf->usf_tx; |
| 1132 | int rc = 0; |
| 1133 | |
| 1134 | if (!usf_xx->user_upd_info_na) { |
| 1135 | usf_set_event_filters(usf, upd_tx_info->event_filters); |
| 1136 | handle_input_event(usf, |
| 1137 | upd_tx_info->event_counter, |
| 1138 | upd_tx_info->event); |
| 1139 | |
| 1140 | /* Release available regions */ |
| 1141 | rc = q6usm_read(usf_xx->usc, |
| 1142 | upd_tx_info->free_region); |
| 1143 | if (rc) |
| 1144 | return rc; |
| 1145 | } else |
| 1146 | usf_xx->user_upd_info_na = 0; |
| 1147 | |
| 1148 | /* Get data ready regions */ |
| 1149 | if (upd_tx_info->timeout == USF_INFINITIVE_TIMEOUT) { |
| 1150 | rc = wait_event_interruptible(usf_xx->wait, |
| 1151 | (usf_xx->prev_region != |
| 1152 | usf_xx->new_region) || |
| 1153 | (usf_xx->usf_state != |
| 1154 | USF_WORK_STATE)); |
| 1155 | } else { |
| 1156 | if (upd_tx_info->timeout == USF_NO_WAIT_TIMEOUT) |
| 1157 | rc = (usf_xx->prev_region != usf_xx->new_region); |
| 1158 | else { |
| 1159 | prev_jiffies = jiffies; |
| 1160 | if (upd_tx_info->timeout == USF_DEFAULT_TIMEOUT) { |
| 1161 | timeout = USF_TIMEOUT_JIFFIES; |
| 1162 | rc = wait_event_timeout( |
| 1163 | usf_xx->wait, |
| 1164 | (usf_xx->prev_region != |
| 1165 | usf_xx->new_region) || |
| 1166 | (usf_xx->usf_state != |
| 1167 | USF_WORK_STATE), |
| 1168 | timeout); |
| 1169 | } else { |
| 1170 | timeout = upd_tx_info->timeout * HZ; |
| 1171 | rc = wait_event_interruptible_timeout( |
| 1172 | usf_xx->wait, |
| 1173 | (usf_xx->prev_region != |
| 1174 | usf_xx->new_region) || |
| 1175 | (usf_xx->usf_state != |
| 1176 | USF_WORK_STATE), |
| 1177 | timeout); |
| 1178 | } |
| 1179 | } |
| 1180 | if (!rc) { |
| 1181 | pr_debug("%s: timeout. prev_j=%lu; j=%lu\n", |
| 1182 | __func__, prev_jiffies, jiffies); |
| 1183 | pr_debug("%s: timeout. prev=%d; new=%d\n", |
| 1184 | __func__, usf_xx->prev_region, |
| 1185 | usf_xx->new_region); |
| 1186 | pr_debug("%s: timeout. free_region=%d;\n", |
| 1187 | __func__, upd_tx_info->free_region); |
| 1188 | if (usf_xx->prev_region == |
| 1189 | usf_xx->new_region) { |
| 1190 | pr_err("%s:read data: timeout\n", |
| 1191 | __func__); |
| 1192 | return -ETIME; |
| 1193 | } |
| 1194 | } |
| 1195 | } |
| 1196 | |
| 1197 | if ((usf_xx->usf_state != USF_WORK_STATE) || |
| 1198 | (rc == -ERESTARTSYS)) { |
| 1199 | pr_err("%s: Get ready region failure; state[%d]; rc[%d]\n", |
| 1200 | __func__, usf_xx->usf_state, rc); |
| 1201 | return -EINTR; |
| 1202 | } |
| 1203 | |
| 1204 | upd_tx_info->ready_region = usf_xx->new_region; |
| 1205 | usf_xx->prev_region = upd_tx_info->ready_region; |
| 1206 | |
| 1207 | if (upd_tx_info->ready_region == USM_WRONG_TOKEN) { |
| 1208 | pr_err("%s: TX path corrupted; prev=%d\n", |
| 1209 | __func__, usf_xx->prev_region); |
| 1210 | return -EIO; |
| 1211 | } |
| 1212 | |
| 1213 | return rc; |
| 1214 | } /* __usf_get_tx_update */ |
| 1215 | |
| 1216 | static int usf_get_tx_update(struct usf_type *usf, unsigned long arg) |
| 1217 | { |
| 1218 | struct us_tx_update_info_type upd_tx_info; |
| 1219 | |
| 1220 | int rc = copy_from_user(&upd_tx_info, |
| 1221 | (struct us_tx_update_info_type __user *) arg, |
| 1222 | sizeof(upd_tx_info)); |
| 1223 | |
| 1224 | if (rc < 0) { |
| 1225 | pr_err("%s: copy upd_tx_info from user; rc=%d\n", |
| 1226 | __func__, rc); |
| 1227 | return -EFAULT; |
| 1228 | } |
| 1229 | |
| 1230 | rc = __usf_get_tx_update(usf, &upd_tx_info); |
| 1231 | if (rc < 0) { |
| 1232 | pr_err("%s: get tx update failed; rc=%d\n", |
| 1233 | __func__, rc); |
| 1234 | return rc; |
| 1235 | } |
| 1236 | |
| 1237 | rc = copy_to_user((void __user *)arg, |
| 1238 | &upd_tx_info, |
| 1239 | sizeof(upd_tx_info)); |
| 1240 | if (rc) { |
| 1241 | pr_err("%s: copy upd_tx_info to user; rc=%d\n", |
| 1242 | __func__, rc); |
| 1243 | rc = -EFAULT; |
| 1244 | } |
| 1245 | |
| 1246 | return rc; |
| 1247 | } /* usf_get_tx_update */ |
| 1248 | |
| 1249 | static int __usf_set_rx_update(struct usf_xx_type *usf_xx, |
| 1250 | struct us_rx_update_info_type *upd_rx_info) |
| 1251 | { |
| 1252 | int rc = 0; |
| 1253 | |
| 1254 | /* Send available data regions */ |
| 1255 | if (upd_rx_info->ready_region != |
| 1256 | usf_xx->buffer_count) { |
| 1257 | rc = q6usm_write( |
| 1258 | usf_xx->usc, |
| 1259 | upd_rx_info->ready_region); |
| 1260 | if (rc) |
| 1261 | return rc; |
| 1262 | } |
| 1263 | |
| 1264 | /* Get free regions */ |
| 1265 | rc = wait_event_timeout( |
| 1266 | usf_xx->wait, |
| 1267 | !q6usm_is_write_buf_full( |
| 1268 | usf_xx->usc, |
| 1269 | &(upd_rx_info->free_region)) || |
| 1270 | (usf_xx->usf_state == USF_IDLE_STATE), |
| 1271 | USF_TIMEOUT_JIFFIES); |
| 1272 | |
| 1273 | if (!rc) { |
| 1274 | rc = -ETIME; |
| 1275 | pr_err("%s:timeout. wait for write buf not full\n", |
| 1276 | __func__); |
| 1277 | } else { |
| 1278 | if (usf_xx->usf_state != |
| 1279 | USF_WORK_STATE) { |
| 1280 | pr_err("%s: RX: state[%d]\n", |
| 1281 | __func__, |
| 1282 | usf_xx->usf_state); |
| 1283 | rc = -EINTR; |
| 1284 | } |
| 1285 | } |
| 1286 | |
| 1287 | return rc; |
| 1288 | } /* __usf_set_rx_update */ |
| 1289 | |
| 1290 | static int usf_set_rx_update(struct usf_xx_type *usf_xx, unsigned long arg) |
| 1291 | { |
| 1292 | struct us_rx_update_info_type upd_rx_info; |
| 1293 | |
| 1294 | int rc = copy_from_user(&upd_rx_info, |
| 1295 | (struct us_rx_update_info_type __user *) arg, |
| 1296 | sizeof(upd_rx_info)); |
| 1297 | |
| 1298 | if (rc) { |
| 1299 | pr_err("%s: copy upd_rx_info from user; rc=%d\n", |
| 1300 | __func__, rc); |
| 1301 | return -EFAULT; |
| 1302 | } |
| 1303 | |
| 1304 | rc = __usf_set_rx_update(usf_xx, &upd_rx_info); |
| 1305 | if (rc < 0) { |
| 1306 | pr_err("%s: set rx update failed; rc=%d\n", |
| 1307 | __func__, rc); |
| 1308 | return rc; |
| 1309 | } |
| 1310 | |
| 1311 | rc = copy_to_user((void __user *)arg, |
| 1312 | &upd_rx_info, |
| 1313 | sizeof(upd_rx_info)); |
| 1314 | if (rc) { |
| 1315 | pr_err("%s: copy rx_info to user; rc=%d\n", |
| 1316 | __func__, rc); |
| 1317 | rc = -EFAULT; |
| 1318 | } |
| 1319 | |
| 1320 | return rc; |
| 1321 | } /* usf_set_rx_update */ |
| 1322 | |
| 1323 | static void usf_release_input(struct usf_type *usf) |
| 1324 | { |
| 1325 | uint16_t ind = 0; |
| 1326 | |
| 1327 | usf_unregister_conflicting_events( |
| 1328 | usf->conflicting_event_types); |
| 1329 | usf->conflicting_event_types = 0; |
| 1330 | for (ind = 0; ind < USF_MAX_EVENT_IND; ++ind) { |
| 1331 | if (usf->input_ifs[ind] == NULL) |
| 1332 | continue; |
| 1333 | input_unregister_device(usf->input_ifs[ind]); |
| 1334 | usf->input_ifs[ind] = NULL; |
| 1335 | pr_debug("%s input_unregister_device[%s]\n", |
| 1336 | __func__, |
| 1337 | s_usf_input_devs[ind].input_dev_name); |
| 1338 | } |
| 1339 | } /* usf_release_input */ |
| 1340 | |
| 1341 | static int usf_stop_tx(struct usf_type *usf) |
| 1342 | { |
| 1343 | struct usf_xx_type *usf_xx = &usf->usf_tx; |
| 1344 | |
| 1345 | usf_release_input(usf); |
| 1346 | usf_disable(usf_xx); |
| 1347 | |
| 1348 | return 0; |
| 1349 | } /* usf_stop_tx */ |
| 1350 | |
| 1351 | static int __usf_get_version(struct us_version_info_type *version_info) |
| 1352 | { |
| 1353 | int rc = 0; |
| 1354 | |
| 1355 | if (version_info->buf_size < sizeof(DRV_VERSION)) { |
| 1356 | pr_err("%s: buf_size (%d) < version string size (%zu)\n", |
| 1357 | __func__, version_info->buf_size, sizeof(DRV_VERSION)); |
| 1358 | return -EINVAL; |
| 1359 | } |
| 1360 | |
| 1361 | rc = copy_to_user((void __user *)(version_info->pbuf), |
| 1362 | DRV_VERSION, |
| 1363 | sizeof(DRV_VERSION)); |
| 1364 | if (rc) { |
| 1365 | pr_err("%s: copy to version_info.pbuf; rc=%d\n", |
| 1366 | __func__, rc); |
| 1367 | rc = -EFAULT; |
| 1368 | } |
| 1369 | |
| 1370 | return rc; |
| 1371 | } /* __usf_get_version */ |
| 1372 | |
| 1373 | static int usf_get_version(unsigned long arg) |
| 1374 | { |
| 1375 | struct us_version_info_type version_info; |
| 1376 | |
| 1377 | int rc = copy_from_user(&version_info, |
| 1378 | (struct us_version_info_type __user *) arg, |
| 1379 | sizeof(version_info)); |
| 1380 | |
| 1381 | if (rc) { |
| 1382 | pr_err("%s: copy version_info from user; rc=%d\n", |
| 1383 | __func__, rc); |
| 1384 | return -EFAULT; |
| 1385 | } |
| 1386 | |
| 1387 | rc = __usf_get_version(&version_info); |
| 1388 | if (rc < 0) { |
| 1389 | pr_err("%s: get version failed; rc=%d\n", |
| 1390 | __func__, rc); |
| 1391 | return rc; |
| 1392 | } |
| 1393 | |
| 1394 | rc = copy_to_user((void __user *)arg, |
| 1395 | &version_info, |
| 1396 | sizeof(version_info)); |
| 1397 | if (rc) { |
| 1398 | pr_err("%s: copy version_info to user; rc=%d\n", |
| 1399 | __func__, rc); |
| 1400 | rc = -EFAULT; |
| 1401 | } |
| 1402 | |
| 1403 | return rc; |
| 1404 | } /* usf_get_version */ |
| 1405 | |
| 1406 | static int __usf_set_stream_param(struct usf_xx_type *usf_xx, |
| 1407 | struct us_stream_param_type *set_stream_param, |
| 1408 | int dir) |
| 1409 | { |
| 1410 | struct us_client *usc = usf_xx->usc; |
| 1411 | struct us_port_data *port; |
| 1412 | int rc = 0; |
| 1413 | |
| 1414 | if (usc == NULL) { |
| 1415 | pr_err("%s: usc is null\n", |
| 1416 | __func__); |
| 1417 | return -EFAULT; |
| 1418 | } |
| 1419 | |
| 1420 | port = &usc->port[dir]; |
| 1421 | if (port == NULL) { |
| 1422 | pr_err("%s: port is null\n", |
| 1423 | __func__); |
| 1424 | return -EFAULT; |
| 1425 | } |
| 1426 | |
| 1427 | if (port->param_buf == NULL) { |
| 1428 | pr_err("%s: parameter buffer is null\n", |
| 1429 | __func__); |
| 1430 | return -EFAULT; |
| 1431 | } |
| 1432 | |
| 1433 | if (set_stream_param->buf_size > port->param_buf_size) { |
| 1434 | pr_err("%s: buf_size (%d) > maximum buf size (%d)\n", |
| 1435 | __func__, set_stream_param->buf_size, |
| 1436 | port->param_buf_size); |
| 1437 | return -EINVAL; |
| 1438 | } |
| 1439 | |
| 1440 | if (set_stream_param->buf_size == 0) { |
| 1441 | pr_err("%s: buf_size is 0\n", __func__); |
| 1442 | return -EINVAL; |
| 1443 | } |
| 1444 | |
| 1445 | rc = copy_from_user(port->param_buf, |
| 1446 | (uint8_t __user *) set_stream_param->pbuf, |
| 1447 | set_stream_param->buf_size); |
| 1448 | if (rc) { |
| 1449 | pr_err("%s: copy param buf from user; rc=%d\n", |
| 1450 | __func__, rc); |
| 1451 | return -EFAULT; |
| 1452 | } |
| 1453 | |
| 1454 | rc = q6usm_set_us_stream_param(dir, usc, set_stream_param->module_id, |
| 1455 | set_stream_param->param_id, |
| 1456 | set_stream_param->buf_size); |
| 1457 | if (rc) { |
| 1458 | pr_err("%s: q6usm_set_us_stream_param failed; rc=%d\n", |
| 1459 | __func__, rc); |
| 1460 | return -EFAULT; |
| 1461 | } |
| 1462 | |
| 1463 | return rc; |
| 1464 | } |
| 1465 | |
| 1466 | static int usf_set_stream_param(struct usf_xx_type *usf_xx, |
| 1467 | unsigned long arg, int dir) |
| 1468 | { |
| 1469 | struct us_stream_param_type set_stream_param; |
| 1470 | int rc = 0; |
| 1471 | |
| 1472 | rc = copy_from_user(&set_stream_param, |
| 1473 | (struct us_stream_param_type __user *) arg, |
| 1474 | sizeof(set_stream_param)); |
| 1475 | |
| 1476 | if (rc) { |
| 1477 | pr_err("%s: copy set_stream_param from user; rc=%d\n", |
| 1478 | __func__, rc); |
| 1479 | return -EFAULT; |
| 1480 | } |
| 1481 | |
| 1482 | return __usf_set_stream_param(usf_xx, &set_stream_param, dir); |
| 1483 | } /* usf_set_stream_param */ |
| 1484 | |
| 1485 | static int __usf_get_stream_param(struct usf_xx_type *usf_xx, |
| 1486 | struct us_stream_param_type *get_stream_param, |
| 1487 | int dir) |
| 1488 | { |
| 1489 | struct us_client *usc = usf_xx->usc; |
| 1490 | struct us_port_data *port; |
| 1491 | int rc = 0; |
| 1492 | |
| 1493 | if (usc == NULL) { |
| 1494 | pr_err("%s: us_client is null\n", |
| 1495 | __func__); |
| 1496 | return -EFAULT; |
| 1497 | } |
| 1498 | |
| 1499 | port = &usc->port[dir]; |
| 1500 | |
| 1501 | if (port->param_buf == NULL) { |
| 1502 | pr_err("%s: parameter buffer is null\n", |
| 1503 | __func__); |
| 1504 | return -EFAULT; |
| 1505 | } |
| 1506 | |
| 1507 | if (get_stream_param->buf_size > port->param_buf_size) { |
| 1508 | pr_err("%s: buf_size (%d) > maximum buf size (%d)\n", |
| 1509 | __func__, get_stream_param->buf_size, |
| 1510 | port->param_buf_size); |
| 1511 | return -EINVAL; |
| 1512 | } |
| 1513 | |
| 1514 | if (get_stream_param->buf_size == 0) { |
| 1515 | pr_err("%s: buf_size is 0\n", __func__); |
| 1516 | return -EINVAL; |
| 1517 | } |
| 1518 | |
| 1519 | rc = q6usm_get_us_stream_param(dir, usc, get_stream_param->module_id, |
| 1520 | get_stream_param->param_id, |
| 1521 | get_stream_param->buf_size); |
| 1522 | if (rc) { |
| 1523 | pr_err("%s: q6usm_get_us_stream_param failed; rc=%d\n", |
| 1524 | __func__, rc); |
| 1525 | return -EFAULT; |
| 1526 | } |
| 1527 | |
| 1528 | rc = copy_to_user((uint8_t __user *) get_stream_param->pbuf, |
| 1529 | port->param_buf, |
| 1530 | get_stream_param->buf_size); |
| 1531 | if (rc) { |
| 1532 | pr_err("%s: copy param buf to user; rc=%d\n", |
| 1533 | __func__, rc); |
| 1534 | return -EFAULT; |
| 1535 | } |
| 1536 | |
| 1537 | return rc; |
| 1538 | } |
| 1539 | |
| 1540 | static int usf_get_stream_param(struct usf_xx_type *usf_xx, |
| 1541 | unsigned long arg, int dir) |
| 1542 | { |
| 1543 | struct us_stream_param_type get_stream_param; |
| 1544 | int rc = 0; |
| 1545 | |
| 1546 | rc = copy_from_user(&get_stream_param, |
| 1547 | (struct us_stream_param_type __user *) arg, |
| 1548 | sizeof(get_stream_param)); |
| 1549 | |
| 1550 | if (rc) { |
| 1551 | pr_err("%s: copy get_stream_param from user; rc=%d\n", |
| 1552 | __func__, rc); |
| 1553 | return -EFAULT; |
| 1554 | } |
| 1555 | |
| 1556 | return __usf_get_stream_param(usf_xx, &get_stream_param, dir); |
| 1557 | } /* usf_get_stream_param */ |
| 1558 | |
| 1559 | static long __usf_ioctl(struct usf_type *usf, |
| 1560 | unsigned int cmd, |
| 1561 | unsigned long arg) |
| 1562 | { |
| 1563 | |
| 1564 | int rc = 0; |
| 1565 | struct usf_xx_type *usf_xx = NULL; |
| 1566 | |
| 1567 | switch (cmd) { |
| 1568 | case US_START_TX: { |
| 1569 | usf_xx = &usf->usf_tx; |
| 1570 | if (usf_xx->usf_state == USF_CONFIGURED_STATE) |
| 1571 | rc = usf_start_tx(usf_xx); |
| 1572 | else { |
| 1573 | pr_err("%s: start_tx: wrong state[%d]\n", |
| 1574 | __func__, |
| 1575 | usf_xx->usf_state); |
| 1576 | return -EBADFD; |
| 1577 | } |
| 1578 | break; |
| 1579 | } |
| 1580 | |
| 1581 | case US_START_RX: { |
| 1582 | usf_xx = &usf->usf_rx; |
| 1583 | if (usf_xx->usf_state == USF_CONFIGURED_STATE) |
| 1584 | rc = usf_start_rx(usf_xx); |
| 1585 | else { |
| 1586 | pr_err("%s: start_rx: wrong state[%d]\n", |
| 1587 | __func__, |
| 1588 | usf_xx->usf_state); |
| 1589 | return -EBADFD; |
| 1590 | } |
| 1591 | break; |
| 1592 | } |
| 1593 | |
| 1594 | case US_SET_TX_INFO: { |
| 1595 | usf_xx = &usf->usf_tx; |
| 1596 | if (usf_xx->usf_state == USF_OPENED_STATE) |
| 1597 | rc = usf_set_tx_info(usf, arg); |
| 1598 | else { |
| 1599 | pr_err("%s: set_tx_info: wrong state[%d]\n", |
| 1600 | __func__, |
| 1601 | usf_xx->usf_state); |
| 1602 | return -EBADFD; |
| 1603 | } |
| 1604 | |
| 1605 | break; |
| 1606 | } /* US_SET_TX_INFO */ |
| 1607 | |
| 1608 | case US_SET_RX_INFO: { |
| 1609 | usf_xx = &usf->usf_rx; |
| 1610 | if (usf_xx->usf_state == USF_OPENED_STATE) |
| 1611 | rc = usf_set_rx_info(usf, arg); |
| 1612 | else { |
| 1613 | pr_err("%s: set_rx_info: wrong state[%d]\n", |
| 1614 | __func__, |
| 1615 | usf_xx->usf_state); |
| 1616 | return -EBADFD; |
| 1617 | } |
| 1618 | |
| 1619 | break; |
| 1620 | } /* US_SET_RX_INFO */ |
| 1621 | |
| 1622 | case US_GET_TX_UPDATE: { |
| 1623 | struct usf_xx_type *usf_xx = &usf->usf_tx; |
| 1624 | |
| 1625 | if (usf_xx->usf_state == USF_WORK_STATE) |
| 1626 | rc = usf_get_tx_update(usf, arg); |
| 1627 | else { |
| 1628 | pr_err("%s: get_tx_update: wrong state[%d]\n", __func__, |
| 1629 | usf_xx->usf_state); |
| 1630 | rc = -EBADFD; |
| 1631 | } |
| 1632 | break; |
| 1633 | } /* US_GET_TX_UPDATE */ |
| 1634 | |
| 1635 | case US_SET_RX_UPDATE: { |
| 1636 | struct usf_xx_type *usf_xx = &usf->usf_rx; |
| 1637 | |
| 1638 | if (usf_xx->usf_state == USF_WORK_STATE) |
| 1639 | rc = usf_set_rx_update(usf_xx, arg); |
| 1640 | else { |
| 1641 | pr_err("%s: set_rx_update: wrong state[%d]\n", |
| 1642 | __func__, |
| 1643 | usf_xx->usf_state); |
| 1644 | rc = -EBADFD; |
| 1645 | } |
| 1646 | break; |
| 1647 | } /* US_SET_RX_UPDATE */ |
| 1648 | |
| 1649 | case US_STOP_TX: { |
| 1650 | usf_xx = &usf->usf_tx; |
| 1651 | if ((usf_xx->usf_state == USF_WORK_STATE) |
| 1652 | || (usf_xx->usf_state == USF_ADSP_RESTART_STATE)) |
| 1653 | rc = usf_stop_tx(usf); |
| 1654 | else { |
| 1655 | pr_err("%s: stop_tx: wrong state[%d]\n", |
| 1656 | __func__, |
| 1657 | usf_xx->usf_state); |
| 1658 | return -EBADFD; |
| 1659 | } |
| 1660 | break; |
| 1661 | } /* US_STOP_TX */ |
| 1662 | |
| 1663 | case US_STOP_RX: { |
| 1664 | usf_xx = &usf->usf_rx; |
| 1665 | if ((usf_xx->usf_state == USF_WORK_STATE) |
| 1666 | || (usf_xx->usf_state == USF_ADSP_RESTART_STATE)) |
| 1667 | usf_disable(usf_xx); |
| 1668 | else { |
| 1669 | pr_err("%s: stop_rx: wrong state[%d]\n", |
| 1670 | __func__, |
| 1671 | usf_xx->usf_state); |
| 1672 | return -EBADFD; |
| 1673 | } |
| 1674 | break; |
| 1675 | } /* US_STOP_RX */ |
| 1676 | |
| 1677 | case US_SET_DETECTION: { |
| 1678 | struct usf_xx_type *usf_xx = &usf->usf_tx; |
| 1679 | |
| 1680 | if (usf_xx->usf_state == USF_WORK_STATE) |
| 1681 | rc = usf_set_us_detection(usf, arg); |
| 1682 | else { |
| 1683 | pr_err("%s: set us detection: wrong state[%d]\n", |
| 1684 | __func__, |
| 1685 | usf_xx->usf_state); |
| 1686 | rc = -EBADFD; |
| 1687 | } |
| 1688 | break; |
| 1689 | } /* US_SET_DETECTION */ |
| 1690 | |
| 1691 | case US_GET_VERSION: { |
| 1692 | rc = usf_get_version(arg); |
| 1693 | break; |
| 1694 | } /* US_GET_VERSION */ |
| 1695 | |
| 1696 | case US_SET_TX_STREAM_PARAM: { |
| 1697 | rc = usf_set_stream_param(&usf->usf_tx, arg, OUT); |
| 1698 | break; |
| 1699 | } /* US_SET_TX_STREAM_PARAM */ |
| 1700 | |
| 1701 | case US_GET_TX_STREAM_PARAM: { |
| 1702 | rc = usf_get_stream_param(&usf->usf_tx, arg, OUT); |
| 1703 | break; |
| 1704 | } /* US_GET_TX_STREAM_PARAM */ |
| 1705 | |
| 1706 | case US_SET_RX_STREAM_PARAM: { |
| 1707 | rc = usf_set_stream_param(&usf->usf_rx, arg, IN); |
| 1708 | break; |
| 1709 | } /* US_SET_RX_STREAM_PARAM */ |
| 1710 | |
| 1711 | case US_GET_RX_STREAM_PARAM: { |
| 1712 | rc = usf_get_stream_param(&usf->usf_rx, arg, IN); |
| 1713 | break; |
| 1714 | } /* US_GET_RX_STREAM_PARAM */ |
| 1715 | |
| 1716 | default: |
| 1717 | pr_err("%s: unsupported IOCTL command [%d]\n", |
| 1718 | __func__, |
| 1719 | cmd); |
| 1720 | rc = -ENOTTY; |
| 1721 | break; |
| 1722 | } |
| 1723 | |
| 1724 | if (rc && |
| 1725 | ((cmd == US_SET_TX_INFO) || |
| 1726 | (cmd == US_SET_RX_INFO))) |
| 1727 | release_xx(usf_xx); |
| 1728 | |
| 1729 | return rc; |
| 1730 | } /* __usf_ioctl */ |
| 1731 | |
| 1732 | static long usf_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| 1733 | { |
| 1734 | struct usf_type *usf = file->private_data; |
| 1735 | int rc = 0; |
| 1736 | |
| 1737 | mutex_lock(&usf->mutex); |
| 1738 | rc = __usf_ioctl(usf, cmd, arg); |
| 1739 | mutex_unlock(&usf->mutex); |
| 1740 | |
| 1741 | return rc; |
| 1742 | } /* usf_ioctl */ |
| 1743 | |
| 1744 | #ifdef CONFIG_COMPAT |
| 1745 | |
| 1746 | #define US_SET_TX_INFO32 _IOW(USF_IOCTL_MAGIC, 0, \ |
| 1747 | struct us_tx_info_type32) |
| 1748 | #define US_GET_TX_UPDATE32 _IOWR(USF_IOCTL_MAGIC, 2, \ |
| 1749 | struct us_tx_update_info_type32) |
| 1750 | #define US_SET_RX_INFO32 _IOW(USF_IOCTL_MAGIC, 3, \ |
| 1751 | struct us_rx_info_type32) |
| 1752 | #define US_SET_RX_UPDATE32 _IOWR(USF_IOCTL_MAGIC, 4, \ |
| 1753 | struct us_rx_update_info_type32) |
| 1754 | #define US_SET_DETECTION32 _IOWR(USF_IOCTL_MAGIC, 8, \ |
| 1755 | struct us_detect_info_type32) |
| 1756 | #define US_GET_VERSION32 _IOWR(USF_IOCTL_MAGIC, 9, \ |
| 1757 | struct us_version_info_type32) |
| 1758 | #define US_SET_TX_STREAM_PARAM32 _IOW(USF_IOCTL_MAGIC, 10, \ |
| 1759 | struct us_stream_param_type32) |
| 1760 | #define US_GET_TX_STREAM_PARAM32 _IOWR(USF_IOCTL_MAGIC, 11, \ |
| 1761 | struct us_stream_param_type32) |
| 1762 | #define US_SET_RX_STREAM_PARAM32 _IOW(USF_IOCTL_MAGIC, 12, \ |
| 1763 | struct us_stream_param_type32) |
| 1764 | #define US_GET_RX_STREAM_PARAM32 _IOWR(USF_IOCTL_MAGIC, 13, \ |
| 1765 | struct us_stream_param_type32) |
| 1766 | |
| 1767 | /* Info structure common for TX and RX */ |
| 1768 | struct us_xx_info_type32 { |
| 1769 | /* Input: general info */ |
| 1770 | /* Name of the client - event calculator, ptr to char */ |
| 1771 | const compat_uptr_t client_name; |
| 1772 | /* Selected device identification, accepted in the kernel's CAD */ |
| 1773 | uint32_t dev_id; |
| 1774 | /* 0 - point_epos type; (e.g. 1 - gr_mmrd) */ |
| 1775 | uint32_t stream_format; |
| 1776 | /* Required sample rate in Hz */ |
| 1777 | uint32_t sample_rate; |
| 1778 | /* Size of a buffer (bytes) for US data transfer between the module and USF */ |
| 1779 | uint32_t buf_size; |
| 1780 | /* Number of the buffers for the US data transfer */ |
| 1781 | uint16_t buf_num; |
| 1782 | /* Number of the microphones (TX) or speakers(RX) */ |
| 1783 | uint16_t port_cnt; |
| 1784 | /* Microphones(TX) or speakers(RX) indexes in their enumeration */ |
| 1785 | uint8_t port_id[USF_MAX_PORT_NUM]; |
| 1786 | /* Bits per sample 16 or 32 */ |
| 1787 | uint16_t bits_per_sample; |
| 1788 | /* Input: Transparent info for encoder in the LPASS */ |
| 1789 | /* Parameters data size in bytes */ |
| 1790 | uint16_t params_data_size; |
| 1791 | /* Pointer to the parameters, ptr to uint8_t */ |
| 1792 | compat_uptr_t params_data; |
| 1793 | /* Max size of buffer for get and set parameter */ |
| 1794 | uint32_t max_get_set_param_buf_size; |
| 1795 | }; |
| 1796 | |
| 1797 | struct us_tx_info_type32 { |
| 1798 | /* Common info. This struct includes ptr and therefore the 32 version */ |
| 1799 | struct us_xx_info_type32 us_xx_info; |
| 1800 | /* Info specific for TX. This struct doesn't include long or ptr |
| 1801 | * and therefore no 32 version |
| 1802 | */ |
| 1803 | struct us_input_info_type input_info; |
| 1804 | }; |
| 1805 | |
| 1806 | struct us_tx_update_info_type32 { |
| 1807 | /* Input general: */ |
| 1808 | /* Number of calculated events */ |
| 1809 | uint16_t event_counter; |
| 1810 | /* Calculated events or NULL, ptr to struct usf_event_type */ |
| 1811 | compat_uptr_t event; |
| 1812 | /* Pointer (read index) to the end of available region */ |
| 1813 | /* in the shared US data memory */ |
| 1814 | uint32_t free_region; |
| 1815 | /* Time (sec) to wait for data or special values: */ |
| 1816 | /* USF_NO_WAIT_TIMEOUT, USF_INFINITIVE_TIMEOUT, USF_DEFAULT_TIMEOUT */ |
| 1817 | uint32_t timeout; |
| 1818 | /* Events (from conflicting devs) to be disabled/enabled */ |
| 1819 | uint16_t event_filters; |
| 1820 | |
| 1821 | /* Input transparent data: */ |
| 1822 | /* Parameters size */ |
| 1823 | uint16_t params_data_size; |
| 1824 | /* Pointer to the parameters, ptr to uint8_t */ |
| 1825 | compat_uptr_t params_data; |
| 1826 | /* Output parameters: */ |
| 1827 | /* Pointer (write index) to the end of ready US data region */ |
| 1828 | /* in the shared memory */ |
| 1829 | uint32_t ready_region; |
| 1830 | }; |
| 1831 | |
| 1832 | struct us_rx_info_type32 { |
| 1833 | /* Common info */ |
| 1834 | struct us_xx_info_type32 us_xx_info; |
| 1835 | /* Info specific for RX*/ |
| 1836 | }; |
| 1837 | |
| 1838 | struct us_rx_update_info_type32 { |
| 1839 | /* Input general: */ |
| 1840 | /* Pointer (write index) to the end of ready US data region */ |
| 1841 | /* in the shared memory */ |
| 1842 | uint32_t ready_region; |
| 1843 | /* Input transparent data: */ |
| 1844 | /* Parameters size */ |
| 1845 | uint16_t params_data_size; |
| 1846 | /* pPointer to the parameters, ptr to uint8_t */ |
| 1847 | compat_uptr_t params_data; |
| 1848 | /* Output parameters: */ |
| 1849 | /* Pointer (read index) to the end of available region */ |
| 1850 | /* in the shared US data memory */ |
| 1851 | uint32_t free_region; |
| 1852 | }; |
| 1853 | |
| 1854 | struct us_detect_info_type32 { |
| 1855 | /* US detection place (HW|FW) */ |
| 1856 | /* NA in the Active and OFF states */ |
| 1857 | enum us_detect_place_enum us_detector; |
| 1858 | /* US detection mode */ |
| 1859 | enum us_detect_mode_enum us_detect_mode; |
| 1860 | /* US data dropped during this time (msec) */ |
| 1861 | uint32_t skip_time; |
| 1862 | /* Transparent data size */ |
| 1863 | uint16_t params_data_size; |
| 1864 | /* Pointer to the transparent data, ptr to uint8_t */ |
| 1865 | compat_uptr_t params_data; |
| 1866 | /* Time (sec) to wait for US presence event */ |
| 1867 | uint32_t detect_timeout; |
| 1868 | /* Out parameter: US presence */ |
| 1869 | bool is_us; |
| 1870 | }; |
| 1871 | |
| 1872 | struct us_version_info_type32 { |
| 1873 | /* Size of memory for the version string */ |
| 1874 | uint16_t buf_size; |
| 1875 | /* Pointer to the memory for the version string, ptr to char */ |
| 1876 | compat_uptr_t pbuf; |
| 1877 | }; |
| 1878 | |
| 1879 | struct us_stream_param_type32 { |
| 1880 | /* Id of module */ |
| 1881 | uint32_t module_id; |
| 1882 | /* Id of parameter */ |
| 1883 | uint32_t param_id; |
| 1884 | /* Size of memory of the parameter buffer */ |
| 1885 | uint32_t buf_size; |
| 1886 | /* Pointer to the memory of the parameter buffer */ |
| 1887 | compat_uptr_t pbuf; |
| 1888 | }; |
| 1889 | |
| 1890 | static void usf_compat_xx_info_type(struct us_xx_info_type32 *us_xx_info32, |
| 1891 | struct us_xx_info_type *us_xx_info) |
| 1892 | { |
| 1893 | int i = 0; |
| 1894 | |
| 1895 | us_xx_info->client_name = compat_ptr(us_xx_info32->client_name); |
| 1896 | us_xx_info->dev_id = us_xx_info32->dev_id; |
| 1897 | us_xx_info->stream_format = us_xx_info32->stream_format; |
| 1898 | us_xx_info->sample_rate = us_xx_info32->sample_rate; |
| 1899 | us_xx_info->buf_size = us_xx_info32->buf_size; |
| 1900 | us_xx_info->buf_num = us_xx_info32->buf_num; |
| 1901 | us_xx_info->port_cnt = us_xx_info32->port_cnt; |
| 1902 | for (i = 0; i < USF_MAX_PORT_NUM; i++) |
| 1903 | us_xx_info->port_id[i] = us_xx_info32->port_id[i]; |
| 1904 | us_xx_info->bits_per_sample = us_xx_info32->bits_per_sample; |
| 1905 | us_xx_info->params_data_size = us_xx_info32->params_data_size; |
| 1906 | us_xx_info->params_data = compat_ptr(us_xx_info32->params_data); |
| 1907 | us_xx_info->max_get_set_param_buf_size = |
| 1908 | us_xx_info32->max_get_set_param_buf_size; |
| 1909 | } |
| 1910 | |
| 1911 | static int usf_set_tx_info32(struct usf_type *usf, unsigned long arg) |
| 1912 | { |
| 1913 | struct us_tx_info_type32 config_tx32; |
| 1914 | struct us_tx_info_type config_tx; |
| 1915 | |
| 1916 | int rc = copy_from_user(&config_tx32, |
| 1917 | (struct us_tx_info_type32 __user *) arg, |
| 1918 | sizeof(config_tx32)); |
| 1919 | |
| 1920 | if (rc) { |
| 1921 | pr_err("%s: copy config_tx from user; rc=%d\n", |
| 1922 | __func__, rc); |
| 1923 | return -EFAULT; |
| 1924 | } |
| 1925 | memset(&config_tx, 0, sizeof(config_tx)); |
| 1926 | usf_compat_xx_info_type(&(config_tx32.us_xx_info), |
| 1927 | &(config_tx.us_xx_info)); |
| 1928 | config_tx.input_info = config_tx32.input_info; |
| 1929 | |
| 1930 | return __usf_set_tx_info(usf, &config_tx); |
| 1931 | } /* usf_set_tx_info 32*/ |
| 1932 | |
| 1933 | static int usf_set_rx_info32(struct usf_type *usf, unsigned long arg) |
| 1934 | { |
| 1935 | struct us_rx_info_type32 config_rx32; |
| 1936 | struct us_rx_info_type config_rx; |
| 1937 | |
| 1938 | int rc = copy_from_user(&config_rx32, |
| 1939 | (struct us_rx_info_type32 __user *) arg, |
| 1940 | sizeof(config_rx32)); |
| 1941 | |
| 1942 | if (rc) { |
| 1943 | pr_err("%s: copy config_rx from user; rc=%d\n", |
| 1944 | __func__, rc); |
| 1945 | return -EFAULT; |
| 1946 | } |
| 1947 | memset(&config_rx, 0, sizeof(config_rx)); |
| 1948 | usf_compat_xx_info_type(&(config_rx32.us_xx_info), |
| 1949 | &(config_rx.us_xx_info)); |
| 1950 | |
| 1951 | return __usf_set_rx_info(usf, &config_rx); |
| 1952 | } /* usf_set_rx_info32 */ |
| 1953 | |
| 1954 | static int usf_get_tx_update32(struct usf_type *usf, unsigned long arg) |
| 1955 | { |
| 1956 | struct us_tx_update_info_type32 upd_tx_info32; |
| 1957 | struct us_tx_update_info_type upd_tx_info; |
| 1958 | |
| 1959 | int rc = copy_from_user(&upd_tx_info32, |
| 1960 | (struct us_tx_update_info_type32 __user *) arg, |
| 1961 | sizeof(upd_tx_info32)); |
| 1962 | |
| 1963 | if (rc) { |
| 1964 | pr_err("%s: copy upd_tx_info32 from user; rc=%d\n", |
| 1965 | __func__, rc); |
| 1966 | return -EFAULT; |
| 1967 | } |
| 1968 | |
| 1969 | memset(&upd_tx_info, 0, sizeof(upd_tx_info)); |
| 1970 | upd_tx_info.event_counter = upd_tx_info32.event_counter; |
| 1971 | upd_tx_info.event = compat_ptr(upd_tx_info32.event); |
| 1972 | upd_tx_info.free_region = upd_tx_info32.free_region; |
| 1973 | upd_tx_info.timeout = upd_tx_info32.timeout; |
| 1974 | upd_tx_info.event_filters = upd_tx_info32.event_filters; |
| 1975 | upd_tx_info.params_data_size = upd_tx_info32.params_data_size; |
| 1976 | upd_tx_info.params_data = compat_ptr(upd_tx_info32.params_data); |
| 1977 | upd_tx_info.ready_region = upd_tx_info32.ready_region; |
| 1978 | |
| 1979 | rc = __usf_get_tx_update(usf, &upd_tx_info); |
| 1980 | if (rc < 0) { |
| 1981 | pr_err("%s: get tx update failed; rc=%d\n", |
| 1982 | __func__, rc); |
| 1983 | return rc; |
| 1984 | } |
| 1985 | |
| 1986 | /* Update only the fields that were changed */ |
| 1987 | upd_tx_info32.ready_region = upd_tx_info.ready_region; |
| 1988 | |
| 1989 | rc = copy_to_user((void __user *)arg, &upd_tx_info32, |
| 1990 | sizeof(upd_tx_info32)); |
| 1991 | if (rc) { |
| 1992 | pr_err("%s: copy upd_tx_info32 to user; rc=%d\n", |
| 1993 | __func__, rc); |
| 1994 | rc = -EFAULT; |
| 1995 | } |
| 1996 | |
| 1997 | return rc; |
| 1998 | } /* usf_get_tx_update */ |
| 1999 | |
| 2000 | static int usf_set_rx_update32(struct usf_xx_type *usf_xx, unsigned long arg) |
| 2001 | { |
| 2002 | struct us_rx_update_info_type32 upd_rx_info32; |
| 2003 | struct us_rx_update_info_type upd_rx_info; |
| 2004 | |
| 2005 | int rc = copy_from_user(&upd_rx_info32, |
| 2006 | (struct us_rx_update_info_type32 __user *) arg, |
| 2007 | sizeof(upd_rx_info32)); |
| 2008 | |
| 2009 | if (rc) { |
| 2010 | pr_err("%s: copy upd_rx_info32 from user; rc=%d\n", |
| 2011 | __func__, rc); |
| 2012 | return -EFAULT; |
| 2013 | } |
| 2014 | |
| 2015 | memset(&upd_rx_info, 0, sizeof(upd_rx_info)); |
| 2016 | upd_rx_info.ready_region = upd_rx_info32.ready_region; |
| 2017 | upd_rx_info.params_data_size = upd_rx_info32.params_data_size; |
| 2018 | upd_rx_info.params_data = compat_ptr(upd_rx_info32.params_data); |
| 2019 | upd_rx_info.free_region = upd_rx_info32.free_region; |
| 2020 | |
| 2021 | rc = __usf_set_rx_update(usf_xx, &upd_rx_info); |
| 2022 | if (rc < 0) { |
| 2023 | pr_err("%s: set rx update failed; rc=%d\n", |
| 2024 | __func__, rc); |
| 2025 | return rc; |
| 2026 | } |
| 2027 | |
| 2028 | /* Update only the fields that were changed */ |
| 2029 | upd_rx_info32.free_region = upd_rx_info.free_region; |
| 2030 | |
| 2031 | rc = copy_to_user((void __user *)arg, |
| 2032 | &upd_rx_info32, |
| 2033 | sizeof(upd_rx_info32)); |
| 2034 | if (rc) { |
| 2035 | pr_err("%s: copy rx_info32 to user; rc=%d\n", |
| 2036 | __func__, rc); |
| 2037 | rc = -EFAULT; |
| 2038 | } |
| 2039 | |
| 2040 | return rc; |
| 2041 | } /* usf_set_rx_update32 */ |
| 2042 | |
| 2043 | static int usf_set_us_detection32(struct usf_type *usf, unsigned long arg) |
| 2044 | { |
| 2045 | struct us_detect_info_type32 detect_info32; |
| 2046 | struct us_detect_info_type detect_info; |
| 2047 | |
| 2048 | int rc = copy_from_user(&detect_info32, |
| 2049 | (struct us_detect_info_type32 __user *) arg, |
| 2050 | sizeof(detect_info32)); |
| 2051 | |
| 2052 | if (rc) { |
| 2053 | pr_err("%s: copy detect_info32 from user; rc=%d\n", |
| 2054 | __func__, rc); |
| 2055 | return -EFAULT; |
| 2056 | } |
| 2057 | |
| 2058 | if (detect_info32.params_data_size > USF_MAX_USER_BUF_SIZE) { |
| 2059 | pr_err("%s: user buffer size exceeds maximum\n", |
| 2060 | __func__); |
| 2061 | return -EFAULT; |
| 2062 | } |
| 2063 | |
| 2064 | memset(&detect_info, 0, sizeof(detect_info)); |
| 2065 | detect_info.us_detector = detect_info32.us_detector; |
| 2066 | detect_info.us_detect_mode = detect_info32.us_detect_mode; |
| 2067 | detect_info.skip_time = detect_info32.skip_time; |
| 2068 | detect_info.params_data_size = detect_info32.params_data_size; |
| 2069 | detect_info.params_data = compat_ptr(detect_info32.params_data); |
| 2070 | detect_info.detect_timeout = detect_info32.detect_timeout; |
| 2071 | detect_info.is_us = detect_info32.is_us; |
| 2072 | |
| 2073 | rc = __usf_set_us_detection(usf, &detect_info); |
| 2074 | if (rc < 0) { |
| 2075 | pr_err("%s: set us detection failed; rc=%d\n", |
| 2076 | __func__, rc); |
| 2077 | return rc; |
| 2078 | } |
| 2079 | |
| 2080 | /* Update only the fields that were changed */ |
| 2081 | detect_info32.is_us = detect_info.is_us; |
| 2082 | |
| 2083 | rc = copy_to_user((void __user *)arg, |
| 2084 | &detect_info32, |
| 2085 | sizeof(detect_info32)); |
| 2086 | if (rc) { |
| 2087 | pr_err("%s: copy detect_info32 to user; rc=%d\n", |
| 2088 | __func__, rc); |
| 2089 | rc = -EFAULT; |
| 2090 | } |
| 2091 | |
| 2092 | return rc; |
| 2093 | } /* usf_set_us_detection32 */ |
| 2094 | |
| 2095 | static int usf_get_version32(unsigned long arg) |
| 2096 | { |
| 2097 | struct us_version_info_type32 version_info32; |
| 2098 | struct us_version_info_type version_info; |
| 2099 | |
| 2100 | int rc = copy_from_user(&version_info32, |
| 2101 | (struct us_version_info_type32 __user *) arg, |
| 2102 | sizeof(version_info32)); |
| 2103 | |
| 2104 | if (rc) { |
| 2105 | pr_err("%s: copy version_info32 from user; rc=%d\n", |
| 2106 | __func__, rc); |
| 2107 | return -EFAULT; |
| 2108 | } |
| 2109 | |
| 2110 | memset(&version_info, 0, sizeof(version_info)); |
| 2111 | version_info.buf_size = version_info32.buf_size; |
| 2112 | version_info.pbuf = compat_ptr(version_info32.pbuf); |
| 2113 | |
| 2114 | rc = __usf_get_version(&version_info); |
| 2115 | if (rc < 0) { |
| 2116 | pr_err("%s: get version failed; rc=%d\n", |
| 2117 | __func__, rc); |
| 2118 | return rc; |
| 2119 | } |
| 2120 | |
| 2121 | /* None of the fields were changed */ |
| 2122 | |
| 2123 | rc = copy_to_user((void __user *)arg, |
| 2124 | &version_info32, |
| 2125 | sizeof(version_info32)); |
| 2126 | if (rc) { |
| 2127 | pr_err("%s: copy version_info32 to user; rc=%d\n", |
| 2128 | __func__, rc); |
| 2129 | rc = -EFAULT; |
| 2130 | } |
| 2131 | |
| 2132 | return rc; |
| 2133 | } /* usf_get_version32 */ |
| 2134 | |
| 2135 | static int usf_set_stream_param32(struct usf_xx_type *usf_xx, |
| 2136 | unsigned long arg, int dir) |
| 2137 | { |
| 2138 | struct us_stream_param_type32 set_stream_param32; |
| 2139 | struct us_stream_param_type set_stream_param; |
| 2140 | int rc = 0; |
| 2141 | |
| 2142 | rc = copy_from_user(&set_stream_param32, |
| 2143 | (struct us_stream_param_type32 __user *) arg, |
| 2144 | sizeof(set_stream_param32)); |
| 2145 | |
| 2146 | if (rc) { |
| 2147 | pr_err("%s: copy set_stream_param from user; rc=%d\n", |
| 2148 | __func__, rc); |
| 2149 | return -EFAULT; |
| 2150 | } |
| 2151 | |
| 2152 | memset(&set_stream_param, 0, sizeof(set_stream_param)); |
| 2153 | set_stream_param.module_id = set_stream_param32.module_id; |
| 2154 | set_stream_param.param_id = set_stream_param32.param_id; |
| 2155 | set_stream_param.buf_size = set_stream_param32.buf_size; |
| 2156 | set_stream_param.pbuf = compat_ptr(set_stream_param32.pbuf); |
| 2157 | |
| 2158 | return __usf_set_stream_param(usf_xx, &set_stream_param, dir); |
| 2159 | } /* usf_set_stream_param32 */ |
| 2160 | |
| 2161 | static int usf_get_stream_param32(struct usf_xx_type *usf_xx, |
| 2162 | unsigned long arg, int dir) |
| 2163 | { |
| 2164 | struct us_stream_param_type32 get_stream_param32; |
| 2165 | struct us_stream_param_type get_stream_param; |
| 2166 | int rc = 0; |
| 2167 | |
| 2168 | rc = copy_from_user(&get_stream_param32, |
| 2169 | (struct us_stream_param_type32 __user *) arg, |
| 2170 | sizeof(get_stream_param32)); |
| 2171 | |
| 2172 | if (rc) { |
| 2173 | pr_err("%s: copy get_stream_param from user; rc=%d\n", |
| 2174 | __func__, rc); |
| 2175 | return -EFAULT; |
| 2176 | } |
| 2177 | |
| 2178 | memset(&get_stream_param, 0, sizeof(get_stream_param)); |
| 2179 | get_stream_param.module_id = get_stream_param32.module_id; |
| 2180 | get_stream_param.param_id = get_stream_param32.param_id; |
| 2181 | get_stream_param.buf_size = get_stream_param32.buf_size; |
| 2182 | get_stream_param.pbuf = compat_ptr(get_stream_param32.pbuf); |
| 2183 | |
| 2184 | return __usf_get_stream_param(usf_xx, &get_stream_param, dir); |
| 2185 | } /* usf_get_stream_param32 */ |
| 2186 | |
| 2187 | static long __usf_compat_ioctl(struct usf_type *usf, |
| 2188 | unsigned int cmd, |
| 2189 | unsigned long arg) |
| 2190 | { |
| 2191 | int rc = 0; |
| 2192 | struct usf_xx_type *usf_xx = NULL; |
| 2193 | |
| 2194 | switch (cmd) { |
| 2195 | case US_START_TX: |
| 2196 | case US_START_RX: |
| 2197 | case US_STOP_TX: |
| 2198 | case US_STOP_RX: { |
| 2199 | return __usf_ioctl(usf, cmd, arg); |
| 2200 | } |
| 2201 | |
| 2202 | case US_SET_TX_INFO32: { |
| 2203 | usf_xx = &usf->usf_tx; |
| 2204 | if (usf_xx->usf_state == USF_OPENED_STATE) |
| 2205 | rc = usf_set_tx_info32(usf, arg); |
| 2206 | else { |
| 2207 | pr_err("%s: set_tx_info32: wrong state[%d]\n", |
| 2208 | __func__, |
| 2209 | usf_xx->usf_state); |
| 2210 | return -EBADFD; |
| 2211 | } |
| 2212 | |
| 2213 | break; |
| 2214 | } /* US_SET_TX_INFO32 */ |
| 2215 | |
| 2216 | case US_SET_RX_INFO32: { |
| 2217 | usf_xx = &usf->usf_rx; |
| 2218 | if (usf_xx->usf_state == USF_OPENED_STATE) |
| 2219 | rc = usf_set_rx_info32(usf, arg); |
| 2220 | else { |
| 2221 | pr_err("%s: set_rx_info32: wrong state[%d]\n", |
| 2222 | __func__, |
| 2223 | usf_xx->usf_state); |
| 2224 | return -EBADFD; |
| 2225 | } |
| 2226 | |
| 2227 | break; |
| 2228 | } /* US_SET_RX_INFO32 */ |
| 2229 | |
| 2230 | case US_GET_TX_UPDATE32: { |
| 2231 | struct usf_xx_type *usf_xx = &usf->usf_tx; |
| 2232 | |
| 2233 | if (usf_xx->usf_state == USF_WORK_STATE) |
| 2234 | rc = usf_get_tx_update32(usf, arg); |
| 2235 | else { |
| 2236 | pr_err("%s: get_tx_update32: wrong state[%d]\n", |
| 2237 | __func__, |
| 2238 | usf_xx->usf_state); |
| 2239 | rc = -EBADFD; |
| 2240 | } |
| 2241 | break; |
| 2242 | } /* US_GET_TX_UPDATE32 */ |
| 2243 | |
| 2244 | case US_SET_RX_UPDATE32: { |
| 2245 | struct usf_xx_type *usf_xx = &usf->usf_rx; |
| 2246 | |
| 2247 | if (usf_xx->usf_state == USF_WORK_STATE) |
| 2248 | rc = usf_set_rx_update32(usf_xx, arg); |
| 2249 | else { |
| 2250 | pr_err("%s: set_rx_update: wrong state[%d]\n", |
| 2251 | __func__, |
| 2252 | usf_xx->usf_state); |
| 2253 | rc = -EBADFD; |
| 2254 | } |
| 2255 | break; |
| 2256 | } /* US_SET_RX_UPDATE32 */ |
| 2257 | |
| 2258 | case US_SET_DETECTION32: { |
| 2259 | struct usf_xx_type *usf_xx = &usf->usf_tx; |
| 2260 | |
| 2261 | if (usf_xx->usf_state == USF_WORK_STATE) |
| 2262 | rc = usf_set_us_detection32(usf, arg); |
| 2263 | else { |
| 2264 | pr_err("%s: set us detection: wrong state[%d]\n", |
| 2265 | __func__, |
| 2266 | usf_xx->usf_state); |
| 2267 | rc = -EBADFD; |
| 2268 | } |
| 2269 | break; |
| 2270 | } /* US_SET_DETECTION32 */ |
| 2271 | |
| 2272 | case US_GET_VERSION32: { |
| 2273 | rc = usf_get_version32(arg); |
| 2274 | break; |
| 2275 | } /* US_GET_VERSION32 */ |
| 2276 | |
| 2277 | case US_SET_TX_STREAM_PARAM32: { |
| 2278 | rc = usf_set_stream_param32(&usf->usf_tx, arg, OUT); |
| 2279 | break; |
| 2280 | } /* US_SET_TX_STREAM_PARAM32 */ |
| 2281 | |
| 2282 | case US_GET_TX_STREAM_PARAM32: { |
| 2283 | rc = usf_get_stream_param32(&usf->usf_tx, arg, OUT); |
| 2284 | break; |
| 2285 | } /* US_GET_TX_STREAM_PARAM32 */ |
| 2286 | |
| 2287 | case US_SET_RX_STREAM_PARAM32: { |
| 2288 | rc = usf_set_stream_param32(&usf->usf_rx, arg, IN); |
| 2289 | break; |
| 2290 | } /* US_SET_RX_STREAM_PARAM32 */ |
| 2291 | |
| 2292 | case US_GET_RX_STREAM_PARAM32: { |
| 2293 | rc = usf_get_stream_param32(&usf->usf_rx, arg, IN); |
| 2294 | break; |
| 2295 | } /* US_GET_RX_STREAM_PARAM32 */ |
| 2296 | |
| 2297 | default: |
| 2298 | pr_err("%s: unsupported IOCTL command [%d]\n", |
| 2299 | __func__, |
| 2300 | cmd); |
| 2301 | rc = -ENOTTY; |
| 2302 | break; |
| 2303 | } |
| 2304 | |
| 2305 | if (rc && |
| 2306 | ((cmd == US_SET_TX_INFO) || |
| 2307 | (cmd == US_SET_RX_INFO))) |
| 2308 | release_xx(usf_xx); |
| 2309 | |
| 2310 | return rc; |
| 2311 | } /* __usf_compat_ioctl */ |
| 2312 | |
| 2313 | static long usf_compat_ioctl(struct file *file, |
| 2314 | unsigned int cmd, |
| 2315 | unsigned long arg) |
| 2316 | { |
| 2317 | struct usf_type *usf = file->private_data; |
| 2318 | int rc = 0; |
| 2319 | |
| 2320 | mutex_lock(&usf->mutex); |
| 2321 | rc = __usf_compat_ioctl(usf, cmd, arg); |
| 2322 | mutex_unlock(&usf->mutex); |
| 2323 | |
| 2324 | return rc; |
| 2325 | } /* usf_compat_ioctl */ |
| 2326 | #endif /* CONFIG_COMPAT */ |
| 2327 | |
| 2328 | static int usf_mmap(struct file *file, struct vm_area_struct *vms) |
| 2329 | { |
| 2330 | struct usf_type *usf = file->private_data; |
| 2331 | int dir = OUT; |
| 2332 | struct usf_xx_type *usf_xx = &usf->usf_tx; |
| 2333 | int rc = 0; |
| 2334 | |
| 2335 | mutex_lock(&usf->mutex); |
| 2336 | if (vms->vm_flags & USF_VM_WRITE) { /* RX buf mapping */ |
| 2337 | dir = IN; |
| 2338 | usf_xx = &usf->usf_rx; |
| 2339 | } |
| 2340 | rc = q6usm_get_virtual_address(dir, usf_xx->usc, vms); |
| 2341 | mutex_unlock(&usf->mutex); |
| 2342 | |
| 2343 | return rc; |
| 2344 | } |
| 2345 | |
| 2346 | static uint16_t add_opened_dev(int minor) |
| 2347 | { |
| 2348 | uint16_t ind = 0; |
| 2349 | |
| 2350 | for (ind = 0; ind < MAX_DEVS_NUMBER; ++ind) { |
| 2351 | if (minor == atomic_cmpxchg(&s_opened_devs[ind], 0, minor)) { |
| 2352 | pr_err("%s: device %d is already opened\n", |
| 2353 | __func__, minor); |
| 2354 | return USF_UNDEF_DEV_ID; |
| 2355 | } else { |
| 2356 | pr_debug("%s: device %d is added; ind=%d\n", |
| 2357 | __func__, minor, ind); |
| 2358 | return ind; |
| 2359 | } |
| 2360 | } |
| 2361 | |
| 2362 | pr_err("%s: there is no place for device %d\n", |
| 2363 | __func__, minor); |
| 2364 | return USF_UNDEF_DEV_ID; |
| 2365 | } |
| 2366 | |
| 2367 | static int usf_open(struct inode *inode, struct file *file) |
| 2368 | { |
| 2369 | struct usf_type *usf = NULL; |
| 2370 | uint16_t dev_ind = 0; |
| 2371 | int minor = MINOR(inode->i_rdev); |
| 2372 | |
| 2373 | dev_ind = add_opened_dev(minor); |
| 2374 | if (dev_ind == USF_UNDEF_DEV_ID) |
| 2375 | return -EBUSY; |
| 2376 | |
| 2377 | usf = kzalloc(sizeof(struct usf_type), GFP_KERNEL); |
| 2378 | if (usf == NULL) |
| 2379 | return -ENOMEM; |
| 2380 | |
| 2381 | wakeup_source_init(&usf_wakeup_source, "usf"); |
| 2382 | |
| 2383 | file->private_data = usf; |
| 2384 | usf->dev_ind = dev_ind; |
| 2385 | |
| 2386 | usf->usf_tx.usf_state = USF_OPENED_STATE; |
| 2387 | usf->usf_rx.usf_state = USF_OPENED_STATE; |
| 2388 | |
| 2389 | usf->usf_tx.us_detect_type = USF_US_DETECT_UNDEF; |
| 2390 | usf->usf_rx.us_detect_type = USF_US_DETECT_UNDEF; |
| 2391 | |
| 2392 | mutex_init(&usf->mutex); |
| 2393 | |
| 2394 | pr_debug("%s:usf in open\n", __func__); |
| 2395 | return 0; |
| 2396 | } |
| 2397 | |
| 2398 | static int usf_release(struct inode *inode, struct file *file) |
| 2399 | { |
| 2400 | struct usf_type *usf = file->private_data; |
| 2401 | |
| 2402 | pr_debug("%s: release entry\n", __func__); |
| 2403 | |
| 2404 | mutex_lock(&usf->mutex); |
| 2405 | usf_release_input(usf); |
| 2406 | |
| 2407 | usf_disable(&usf->usf_tx); |
| 2408 | usf_disable(&usf->usf_rx); |
| 2409 | |
| 2410 | atomic_set(&s_opened_devs[usf->dev_ind], 0); |
| 2411 | |
| 2412 | wakeup_source_trash(&usf_wakeup_source); |
| 2413 | mutex_unlock(&usf->mutex); |
| 2414 | mutex_destroy(&usf->mutex); |
| 2415 | kfree(usf); |
| 2416 | pr_debug("%s: release exit\n", __func__); |
| 2417 | return 0; |
| 2418 | } |
| 2419 | |
| 2420 | extern long usf_compat_ioctl(struct file *file, |
| 2421 | unsigned int cmd, |
| 2422 | unsigned long arg); |
| 2423 | |
| 2424 | static const struct file_operations usf_fops = { |
| 2425 | .owner = THIS_MODULE, |
| 2426 | .open = usf_open, |
| 2427 | .release = usf_release, |
| 2428 | .unlocked_ioctl = usf_ioctl, |
| 2429 | #ifdef CONFIG_COMPAT |
| 2430 | .compat_ioctl = usf_compat_ioctl, |
| 2431 | #endif /* CONFIG_COMPAT */ |
| 2432 | .mmap = usf_mmap, |
| 2433 | }; |
| 2434 | |
| 2435 | static struct miscdevice usf_misc[MAX_DEVS_NUMBER] = { |
| 2436 | { |
| 2437 | .minor = MISC_DYNAMIC_MINOR, |
| 2438 | .name = "usf1", |
| 2439 | .fops = &usf_fops, |
| 2440 | }, |
| 2441 | }; |
| 2442 | |
| 2443 | static int __init usf_init(void) |
| 2444 | { |
| 2445 | int rc = 0; |
| 2446 | uint16_t ind = 0; |
| 2447 | |
| 2448 | pr_debug("%s: USF SW version %s.\n", __func__, DRV_VERSION); |
| 2449 | pr_debug("%s: Max %d devs registration\n", __func__, MAX_DEVS_NUMBER); |
| 2450 | |
| 2451 | for (ind = 0; ind < MAX_DEVS_NUMBER; ++ind) { |
| 2452 | rc = misc_register(&usf_misc[ind]); |
| 2453 | if (rc) { |
| 2454 | pr_err("%s: misc_register() failed ind=%d; rc = %d\n", |
| 2455 | __func__, ind, rc); |
| 2456 | break; |
| 2457 | } |
| 2458 | } |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame^] | 2459 | if (!rc) q6usm_init(); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2460 | |
| 2461 | return rc; |
| 2462 | } |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame^] | 2463 | module_init(usf_init); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2464 | |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame^] | 2465 | static void __exit usf_exit(void) |
| 2466 | { |
| 2467 | uint16_t ind = 0; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2468 | |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame^] | 2469 | for (ind = 0; ind < MAX_DEVS_NUMBER; ++ind) |
| 2470 | misc_deregister(&usf_misc[ind]); |
| 2471 | } |
| 2472 | module_exit(usf_exit); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2473 | MODULE_DESCRIPTION("Ultrasound framework driver"); |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame^] | 2474 | MODULE_LICENSE("GPL v2"); |