Pileus Git - ~andy/linux/blob - drivers/net/wireless/ath/ath9k/debug.c

   1 /*
   2  * Copyright (c) 2008-2011 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include <linux/slab.h>
  18 #include <linux/vmalloc.h>
  19 #include <linux/export.h>
  20 #include <asm/unaligned.h>
  21
  22 #include "ath9k.h"
  23
  24 #define REG_WRITE_D(_ah, _reg, _val) \
  25         ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
  26 #define REG_READ_D(_ah, _reg) \
  27         ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
  28
  29 void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause)
  30 {
  31         if (sync_cause)
  32                 sc->debug.stats.istats.sync_cause_all++;
  33         if (sync_cause & AR_INTR_SYNC_RTC_IRQ)
  34                 sc->debug.stats.istats.sync_rtc_irq++;
  35         if (sync_cause & AR_INTR_SYNC_MAC_IRQ)
  36                 sc->debug.stats.istats.sync_mac_irq++;
  37         if (sync_cause & AR_INTR_SYNC_EEPROM_ILLEGAL_ACCESS)
  38                 sc->debug.stats.istats.eeprom_illegal_access++;
  39         if (sync_cause & AR_INTR_SYNC_APB_TIMEOUT)
  40                 sc->debug.stats.istats.apb_timeout++;
  41         if (sync_cause & AR_INTR_SYNC_PCI_MODE_CONFLICT)
  42                 sc->debug.stats.istats.pci_mode_conflict++;
  43         if (sync_cause & AR_INTR_SYNC_HOST1_FATAL)
  44                 sc->debug.stats.istats.host1_fatal++;
  45         if (sync_cause & AR_INTR_SYNC_HOST1_PERR)
  46                 sc->debug.stats.istats.host1_perr++;
  47         if (sync_cause & AR_INTR_SYNC_TRCV_FIFO_PERR)
  48                 sc->debug.stats.istats.trcv_fifo_perr++;
  49         if (sync_cause & AR_INTR_SYNC_RADM_CPL_EP)
  50                 sc->debug.stats.istats.radm_cpl_ep++;
  51         if (sync_cause & AR_INTR_SYNC_RADM_CPL_DLLP_ABORT)
  52                 sc->debug.stats.istats.radm_cpl_dllp_abort++;
  53         if (sync_cause & AR_INTR_SYNC_RADM_CPL_TLP_ABORT)
  54                 sc->debug.stats.istats.radm_cpl_tlp_abort++;
  55         if (sync_cause & AR_INTR_SYNC_RADM_CPL_ECRC_ERR)
  56                 sc->debug.stats.istats.radm_cpl_ecrc_err++;
  57         if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT)
  58                 sc->debug.stats.istats.radm_cpl_timeout++;
  59         if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT)
  60                 sc->debug.stats.istats.local_timeout++;
  61         if (sync_cause & AR_INTR_SYNC_PM_ACCESS)
  62                 sc->debug.stats.istats.pm_access++;
  63         if (sync_cause & AR_INTR_SYNC_MAC_AWAKE)
  64                 sc->debug.stats.istats.mac_awake++;
  65         if (sync_cause & AR_INTR_SYNC_MAC_ASLEEP)
  66                 sc->debug.stats.istats.mac_asleep++;
  67         if (sync_cause & AR_INTR_SYNC_MAC_SLEEP_ACCESS)
  68                 sc->debug.stats.istats.mac_sleep_access++;
  69 }
  70
  71 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
  72                                       size_t count, loff_t *ppos)
  73 {
  74         u8 *buf = file->private_data;
  75         return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
  76 }
  77
  78 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
  79 {
  80         vfree(file->private_data);
  81         return 0;
  82 }
  83
  84 #ifdef CONFIG_ATH_DEBUG
  85
  86 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
  87                              size_t count, loff_t *ppos)
  88 {
  89         struct ath_softc *sc = file->private_data;
  90         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  91         char buf[32];
  92         unsigned int len;
  93
  94         len = sprintf(buf, "0x%08x\n", common->debug_mask);
  95         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
  96 }
  97
  98 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
  99                              size_t count, loff_t *ppos)
 100 {
 101         struct ath_softc *sc = file->private_data;
 102         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 103         unsigned long mask;
 104         char buf[32];
 105         ssize_t len;
 106
 107         len = min(count, sizeof(buf) - 1);
 108         if (copy_from_user(buf, user_buf, len))
 109                 return -EFAULT;
 110
 111         buf[len] = '\0';
 112         if (kstrtoul(buf, 0, &mask))
 113                 return -EINVAL;
 114
 115         common->debug_mask = mask;
 116         return count;
 117 }
 118
 119 static const struct file_operations fops_debug = {
 120         .read = read_file_debug,
 121         .write = write_file_debug,
 122         .open = simple_open,
 123         .owner = THIS_MODULE,
 124         .llseek = default_llseek,
 125 };
 126
 127 #endif
 128
 129 #define DMA_BUF_LEN 1024
 130
 131
 132 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
 133                              size_t count, loff_t *ppos)
 134 {
 135         struct ath_softc *sc = file->private_data;
 136         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 137         struct ath_hw *ah = sc->sc_ah;
 138         unsigned int len = 0, size = 1024;
 139         ssize_t retval = 0;
 140         char *buf;
 141
 142         buf = kzalloc(size, GFP_KERNEL);
 143         if (buf == NULL)
 144                 return -ENOMEM;
 145
 146         if (common->disable_ani) {
 147                 len += scnprintf(buf + len, size - len, "%s: %s\n",
 148                                  "ANI", "DISABLED");
 149                 goto exit;
 150         }
 151
 152         len += scnprintf(buf + len, size - len, "%15s: %s\n",
 153                          "ANI", "ENABLED");
 154         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 155                          "ANI RESET", ah->stats.ast_ani_reset);
 156         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 157                          "SPUR UP", ah->stats.ast_ani_spurup);
 158         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 159                          "SPUR DOWN", ah->stats.ast_ani_spurup);
 160         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 161                          "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon);
 162         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 163                          "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff);
 164         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 165                          "MRC-CCK ON", ah->stats.ast_ani_ccklow);
 166         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 167                          "MRC-CCK OFF", ah->stats.ast_ani_cckhigh);
 168         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 169                          "FIR-STEP UP", ah->stats.ast_ani_stepup);
 170         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 171                          "FIR-STEP DOWN", ah->stats.ast_ani_stepdown);
 172         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 173                          "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero);
 174         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 175                          "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs);
 176         len += scnprintf(buf + len, size - len, "%15s: %u\n",
 177                          "CCK ERRORS", ah->stats.ast_ani_cckerrs);
 178 exit:
 179         if (len > size)
 180                 len = size;
 181
 182         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 183         kfree(buf);
 184
 185         return retval;
 186 }
 187
 188 static ssize_t write_file_ani(struct file *file,
 189                               const char __user *user_buf,
 190                               size_t count, loff_t *ppos)
 191 {
 192         struct ath_softc *sc = file->private_data;
 193         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 194         unsigned long ani;
 195         char buf[32];
 196         ssize_t len;
 197
 198         len = min(count, sizeof(buf) - 1);
 199         if (copy_from_user(buf, user_buf, len))
 200                 return -EFAULT;
 201
 202         buf[len] = '\0';
 203         if (kstrtoul(buf, 0, &ani))
 204                 return -EINVAL;
 205
 206         if (ani < 0 || ani > 1)
 207                 return -EINVAL;
 208
 209         common->disable_ani = !ani;
 210
 211         if (common->disable_ani) {
 212                 clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
 213                 ath_stop_ani(sc);
 214         } else {
 215                 ath_check_ani(sc);
 216         }
 217
 218         return count;
 219 }
 220
 221 static const struct file_operations fops_ani = {
 222         .read = read_file_ani,
 223         .write = write_file_ani,
 224         .open = simple_open,
 225         .owner = THIS_MODULE,
 226         .llseek = default_llseek,
 227 };
 228
 229 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
 230
 231 static ssize_t read_file_bt_ant_diversity(struct file *file,
 232                                           char __user *user_buf,
 233                                           size_t count, loff_t *ppos)
 234 {
 235         struct ath_softc *sc = file->private_data;
 236         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 237         char buf[32];
 238         unsigned int len;
 239
 240         len = sprintf(buf, "%d\n", common->bt_ant_diversity);
 241         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 242 }
 243
 244 static ssize_t write_file_bt_ant_diversity(struct file *file,
 245                                            const char __user *user_buf,
 246                                            size_t count, loff_t *ppos)
 247 {
 248         struct ath_softc *sc = file->private_data;
 249         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 250         struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps;
 251         unsigned long bt_ant_diversity;
 252         char buf[32];
 253         ssize_t len;
 254
 255         len = min(count, sizeof(buf) - 1);
 256         if (copy_from_user(buf, user_buf, len))
 257                 return -EFAULT;
 258
 259         if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV))
 260                 goto exit;
 261
 262         buf[len] = '\0';
 263         if (kstrtoul(buf, 0, &bt_ant_diversity))
 264                 return -EINVAL;
 265
 266         common->bt_ant_diversity = !!bt_ant_diversity;
 267         ath9k_ps_wakeup(sc);
 268         ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity);
 269         ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n",
 270                 common->bt_ant_diversity);
 271         ath9k_ps_restore(sc);
 272 exit:
 273         return count;
 274 }
 275
 276 static const struct file_operations fops_bt_ant_diversity = {
 277         .read = read_file_bt_ant_diversity,
 278         .write = write_file_bt_ant_diversity,
 279         .open = simple_open,
 280         .owner = THIS_MODULE,
 281         .llseek = default_llseek,
 282 };
 283
 284 #endif
 285
 286 void ath9k_debug_stat_ant(struct ath_softc *sc,
 287                           struct ath_hw_antcomb_conf *div_ant_conf,
 288                           int main_rssi_avg, int alt_rssi_avg)
 289 {
 290         struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
 291         struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
 292
 293         as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++;
 294         as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++;
 295
 296         as_main->rssi_avg = main_rssi_avg;
 297         as_alt->rssi_avg = alt_rssi_avg;
 298 }
 299
 300 static ssize_t read_file_antenna_diversity(struct file *file,
 301                                            char __user *user_buf,
 302                                            size_t count, loff_t *ppos)
 303 {
 304         struct ath_softc *sc = file->private_data;
 305         struct ath_hw *ah = sc->sc_ah;
 306         struct ath9k_hw_capabilities *pCap = &ah->caps;
 307         struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
 308         struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
 309         struct ath_hw_antcomb_conf div_ant_conf;
 310         unsigned int len = 0, size = 1024;
 311         ssize_t retval = 0;
 312         char *buf;
 313         char *lna_conf_str[4] = {"LNA1_MINUS_LNA2",
 314                                  "LNA2",
 315                                  "LNA1",
 316                                  "LNA1_PLUS_LNA2"};
 317
 318         buf = kzalloc(size, GFP_KERNEL);
 319         if (buf == NULL)
 320                 return -ENOMEM;
 321
 322         if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) {
 323                 len += scnprintf(buf + len, size - len, "%s\n",
 324                                  "Antenna Diversity Combining is disabled");
 325                 goto exit;
 326         }
 327
 328         ath9k_ps_wakeup(sc);
 329         ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf);
 330         len += scnprintf(buf + len, size - len, "Current MAIN config : %s\n",
 331                          lna_conf_str[div_ant_conf.main_lna_conf]);
 332         len += scnprintf(buf + len, size - len, "Current ALT config  : %s\n",
 333                          lna_conf_str[div_ant_conf.alt_lna_conf]);
 334         len += scnprintf(buf + len, size - len, "Average MAIN RSSI   : %d\n",
 335                          as_main->rssi_avg);
 336         len += scnprintf(buf + len, size - len, "Average ALT RSSI    : %d\n\n",
 337                          as_alt->rssi_avg);
 338         ath9k_ps_restore(sc);
 339
 340         len += scnprintf(buf + len, size - len, "Packet Receive Cnt:\n");
 341         len += scnprintf(buf + len, size - len, "-------------------\n");
 342
 343         len += scnprintf(buf + len, size - len, "%30s%15s\n",
 344                          "MAIN", "ALT");
 345         len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 346                          "TOTAL COUNT",
 347                          as_main->recv_cnt,
 348                          as_alt->recv_cnt);
 349         len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 350                          "LNA1",
 351                          as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1],
 352                          as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]);
 353         len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 354                          "LNA2",
 355                          as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2],
 356                          as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]);
 357         len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 358                          "LNA1 + LNA2",
 359                          as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
 360                          as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
 361         len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 362                          "LNA1 - LNA2",
 363                          as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
 364                          as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
 365
 366         len += scnprintf(buf + len, size - len, "\nLNA Config Attempts:\n");
 367         len += scnprintf(buf + len, size - len, "--------------------\n");
 368
 369         len += scnprintf(buf + len, size - len, "%30s%15s\n",
 370                          "MAIN", "ALT");
 371         len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 372                          "LNA1",
 373                          as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1],
 374                          as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]);
 375         len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 376                          "LNA2",
 377                          as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2],
 378                          as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]);
 379         len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 380                          "LNA1 + LNA2",
 381                          as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
 382                          as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
 383         len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 384                          "LNA1 - LNA2",
 385                          as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
 386                          as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
 387
 388 exit:
 389         if (len > size)
 390                 len = size;
 391
 392         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 393         kfree(buf);
 394
 395         return retval;
 396 }
 397
 398 static const struct file_operations fops_antenna_diversity = {
 399         .read = read_file_antenna_diversity,
 400         .open = simple_open,
 401         .owner = THIS_MODULE,
 402         .llseek = default_llseek,
 403 };
 404
 405 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 406                              size_t count, loff_t *ppos)
 407 {
 408         struct ath_softc *sc = file->private_data;
 409         struct ath_hw *ah = sc->sc_ah;
 410         char *buf;
 411         int retval;
 412         unsigned int len = 0;
 413         u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
 414         int i, qcuOffset = 0, dcuOffset = 0;
 415         u32 *qcuBase = &val[0], *dcuBase = &val[4];
 416
 417         buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
 418         if (!buf)
 419                 return -ENOMEM;
 420
 421         ath9k_ps_wakeup(sc);
 422
 423         REG_WRITE_D(ah, AR_MACMISC,
 424                   ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
 425                    (AR_MACMISC_MISC_OBS_BUS_1 <<
 426                     AR_MACMISC_MISC_OBS_BUS_MSB_S)));
 427
 428         len += scnprintf(buf + len, DMA_BUF_LEN - len,
 429                          "Raw DMA Debug values:\n");
 430
 431         for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
 432                 if (i % 4 == 0)
 433                         len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
 434
 435                 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
 436                 len += scnprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
 437                                  i, val[i]);
 438         }
 439
 440         len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
 441         len += scnprintf(buf + len, DMA_BUF_LEN - len,
 442                          "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
 443
 444         for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
 445                 if (i == 8) {
 446                         qcuOffset = 0;
 447                         qcuBase++;
 448                 }
 449
 450                 if (i == 6) {
 451                         dcuOffset = 0;
 452                         dcuBase++;
 453                 }
 454
 455                 len += scnprintf(buf + len, DMA_BUF_LEN - len,
 456                          "%2d          %2x      %1x     %2x           %2x\n",
 457                          i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
 458                          (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
 459                          val[2] & (0x7 << (i * 3)) >> (i * 3),
 460                          (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
 461         }
 462
 463         len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
 464
 465         len += scnprintf(buf + len, DMA_BUF_LEN - len,
 466                 "qcu_stitch state:   %2x    qcu_fetch state:        %2x\n",
 467                 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
 468         len += scnprintf(buf + len, DMA_BUF_LEN - len,
 469                 "qcu_complete state: %2x    dcu_complete state:     %2x\n",
 470                 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
 471         len += scnprintf(buf + len, DMA_BUF_LEN - len,
 472                 "dcu_arb state:      %2x    dcu_fp state:           %2x\n",
 473                 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
 474         len += scnprintf(buf + len, DMA_BUF_LEN - len,
 475                 "chan_idle_dur:     %3d    chan_idle_dur_valid:     %1d\n",
 476                 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
 477         len += scnprintf(buf + len, DMA_BUF_LEN - len,
 478                 "txfifo_valid_0:      %1d    txfifo_valid_1:          %1d\n",
 479                 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
 480         len += scnprintf(buf + len, DMA_BUF_LEN - len,
 481                 "txfifo_dcu_num_0:   %2d    txfifo_dcu_num_1:       %2d\n",
 482                 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
 483
 484         len += scnprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
 485                          REG_READ_D(ah, AR_OBS_BUS_1));
 486         len += scnprintf(buf + len, DMA_BUF_LEN - len,
 487                          "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
 488
 489         ath9k_ps_restore(sc);
 490
 491         if (len > DMA_BUF_LEN)
 492                 len = DMA_BUF_LEN;
 493
 494         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 495         kfree(buf);
 496         return retval;
 497 }
 498
 499 static const struct file_operations fops_dma = {
 500         .read = read_file_dma,
 501         .open = simple_open,
 502         .owner = THIS_MODULE,
 503         .llseek = default_llseek,
 504 };
 505
 506
 507 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
 508 {
 509         if (status)
 510                 sc->debug.stats.istats.total++;
 511         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 512                 if (status & ATH9K_INT_RXLP)
 513                         sc->debug.stats.istats.rxlp++;
 514                 if (status & ATH9K_INT_RXHP)
 515                         sc->debug.stats.istats.rxhp++;
 516                 if (status & ATH9K_INT_BB_WATCHDOG)
 517                         sc->debug.stats.istats.bb_watchdog++;
 518         } else {
 519                 if (status & ATH9K_INT_RX)
 520                         sc->debug.stats.istats.rxok++;
 521         }
 522         if (status & ATH9K_INT_RXEOL)
 523                 sc->debug.stats.istats.rxeol++;
 524         if (status & ATH9K_INT_RXORN)
 525                 sc->debug.stats.istats.rxorn++;
 526         if (status & ATH9K_INT_TX)
 527                 sc->debug.stats.istats.txok++;
 528         if (status & ATH9K_INT_TXURN)
 529                 sc->debug.stats.istats.txurn++;
 530         if (status & ATH9K_INT_RXPHY)
 531                 sc->debug.stats.istats.rxphyerr++;
 532         if (status & ATH9K_INT_RXKCM)
 533                 sc->debug.stats.istats.rx_keycache_miss++;
 534         if (status & ATH9K_INT_SWBA)
 535                 sc->debug.stats.istats.swba++;
 536         if (status & ATH9K_INT_BMISS)
 537                 sc->debug.stats.istats.bmiss++;
 538         if (status & ATH9K_INT_BNR)
 539                 sc->debug.stats.istats.bnr++;
 540         if (status & ATH9K_INT_CST)
 541                 sc->debug.stats.istats.cst++;
 542         if (status & ATH9K_INT_GTT)
 543                 sc->debug.stats.istats.gtt++;
 544         if (status & ATH9K_INT_TIM)
 545                 sc->debug.stats.istats.tim++;
 546         if (status & ATH9K_INT_CABEND)
 547                 sc->debug.stats.istats.cabend++;
 548         if (status & ATH9K_INT_DTIMSYNC)
 549                 sc->debug.stats.istats.dtimsync++;
 550         if (status & ATH9K_INT_DTIM)
 551                 sc->debug.stats.istats.dtim++;
 552         if (status & ATH9K_INT_TSFOOR)
 553                 sc->debug.stats.istats.tsfoor++;
 554         if (status & ATH9K_INT_MCI)
 555                 sc->debug.stats.istats.mci++;
 556         if (status & ATH9K_INT_GENTIMER)
 557                 sc->debug.stats.istats.gen_timer++;
 558 }
 559
 560 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
 561                                    size_t count, loff_t *ppos)
 562 {
 563         struct ath_softc *sc = file->private_data;
 564         unsigned int len = 0;
 565         int rv;
 566         int mxlen = 4000;
 567         char *buf = kmalloc(mxlen, GFP_KERNEL);
 568         if (!buf)
 569                 return -ENOMEM;
 570
 571 #define PR_IS(a, s)                                             \
 572         do {                                                    \
 573                 len += scnprintf(buf + len, mxlen - len,        \
 574                                  "%21s: %10u\n", a,             \
 575                                  sc->debug.stats.istats.s);     \
 576         } while (0)
 577
 578         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 579                 PR_IS("RXLP", rxlp);
 580                 PR_IS("RXHP", rxhp);
 581                 PR_IS("WATHDOG", bb_watchdog);
 582         } else {
 583                 PR_IS("RX", rxok);
 584         }
 585         PR_IS("RXEOL", rxeol);
 586         PR_IS("RXORN", rxorn);
 587         PR_IS("TX", txok);
 588         PR_IS("TXURN", txurn);
 589         PR_IS("MIB", mib);
 590         PR_IS("RXPHY", rxphyerr);
 591         PR_IS("RXKCM", rx_keycache_miss);
 592         PR_IS("SWBA", swba);
 593         PR_IS("BMISS", bmiss);
 594         PR_IS("BNR", bnr);
 595         PR_IS("CST", cst);
 596         PR_IS("GTT", gtt);
 597         PR_IS("TIM", tim);
 598         PR_IS("CABEND", cabend);
 599         PR_IS("DTIMSYNC", dtimsync);
 600         PR_IS("DTIM", dtim);
 601         PR_IS("TSFOOR", tsfoor);
 602         PR_IS("MCI", mci);
 603         PR_IS("GENTIMER", gen_timer);
 604         PR_IS("TOTAL", total);
 605
 606         len += scnprintf(buf + len, mxlen - len,
 607                          "SYNC_CAUSE stats:\n");
 608
 609         PR_IS("Sync-All", sync_cause_all);
 610         PR_IS("RTC-IRQ", sync_rtc_irq);
 611         PR_IS("MAC-IRQ", sync_mac_irq);
 612         PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
 613         PR_IS("APB-Timeout", apb_timeout);
 614         PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
 615         PR_IS("HOST1-Fatal", host1_fatal);
 616         PR_IS("HOST1-Perr", host1_perr);
 617         PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
 618         PR_IS("RADM-CPL-EP", radm_cpl_ep);
 619         PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
 620         PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
 621         PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
 622         PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
 623         PR_IS("Local-Bus-Timeout", local_timeout);
 624         PR_IS("PM-Access", pm_access);
 625         PR_IS("MAC-Awake", mac_awake);
 626         PR_IS("MAC-Asleep", mac_asleep);
 627         PR_IS("MAC-Sleep-Access", mac_sleep_access);
 628
 629         if (len > mxlen)
 630                 len = mxlen;
 631
 632         rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 633         kfree(buf);
 634         return rv;
 635 }
 636
 637 static const struct file_operations fops_interrupt = {
 638         .read = read_file_interrupt,
 639         .open = simple_open,
 640         .owner = THIS_MODULE,
 641         .llseek = default_llseek,
 642 };
 643
 644 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 645                               size_t count, loff_t *ppos)
 646 {
 647         struct ath_softc *sc = file->private_data;
 648         char *buf;
 649         unsigned int len = 0, size = 2048;
 650         ssize_t retval = 0;
 651
 652         buf = kzalloc(size, GFP_KERNEL);
 653         if (buf == NULL)
 654                 return -ENOMEM;
 655
 656         len += sprintf(buf, "%30s %10s%10s%10s\n\n",
 657                        "BE", "BK", "VI", "VO");
 658
 659         PR("MPDUs Queued:    ", queued);
 660         PR("MPDUs Completed: ", completed);
 661         PR("MPDUs XRetried:  ", xretries);
 662         PR("Aggregates:      ", a_aggr);
 663         PR("AMPDUs Queued HW:", a_queued_hw);
 664         PR("AMPDUs Queued SW:", a_queued_sw);
 665         PR("AMPDUs Completed:", a_completed);
 666         PR("AMPDUs Retried:  ", a_retries);
 667         PR("AMPDUs XRetried: ", a_xretries);
 668         PR("TXERR Filtered:  ", txerr_filtered);
 669         PR("FIFO Underrun:   ", fifo_underrun);
 670         PR("TXOP Exceeded:   ", xtxop);
 671         PR("TXTIMER Expiry:  ", timer_exp);
 672         PR("DESC CFG Error:  ", desc_cfg_err);
 673         PR("DATA Underrun:   ", data_underrun);
 674         PR("DELIM Underrun:  ", delim_underrun);
 675         PR("TX-Pkts-All:     ", tx_pkts_all);
 676         PR("TX-Bytes-All:    ", tx_bytes_all);
 677         PR("HW-put-tx-buf:   ", puttxbuf);
 678         PR("HW-tx-start:     ", txstart);
 679         PR("HW-tx-proc-desc: ", txprocdesc);
 680         PR("TX-Failed:       ", txfailed);
 681
 682         if (len > size)
 683                 len = size;
 684
 685         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 686         kfree(buf);
 687
 688         return retval;
 689 }
 690
 691 static ssize_t print_queue(struct ath_softc *sc, struct ath_txq *txq,
 692                            char *buf, ssize_t size)
 693 {
 694         ssize_t len = 0;
 695
 696         ath_txq_lock(sc, txq);
 697
 698         len += scnprintf(buf + len, size - len, "%s: %d ",
 699                          "qnum", txq->axq_qnum);
 700         len += scnprintf(buf + len, size - len, "%s: %2d ",
 701                          "qdepth", txq->axq_depth);
 702         len += scnprintf(buf + len, size - len, "%s: %2d ",
 703                          "ampdu-depth", txq->axq_ampdu_depth);
 704         len += scnprintf(buf + len, size - len, "%s: %3d ",
 705                          "pending", txq->pending_frames);
 706         len += scnprintf(buf + len, size - len, "%s: %d\n",
 707                          "stopped", txq->stopped);
 708
 709         ath_txq_unlock(sc, txq);
 710         return len;
 711 }
 712
 713 static ssize_t read_file_queues(struct file *file, char __user *user_buf,
 714                                 size_t count, loff_t *ppos)
 715 {
 716         struct ath_softc *sc = file->private_data;
 717         struct ath_txq *txq;
 718         char *buf;
 719         unsigned int len = 0, size = 1024;
 720         ssize_t retval = 0;
 721         int i;
 722         char *qname[4] = {"VO", "VI", "BE", "BK"};
 723
 724         buf = kzalloc(size, GFP_KERNEL);
 725         if (buf == NULL)
 726                 return -ENOMEM;
 727
 728         for (i = 0; i < IEEE80211_NUM_ACS; i++) {
 729                 txq = sc->tx.txq_map[i];
 730                 len += scnprintf(buf + len, size - len, "(%s):  ", qname[i]);
 731                 len += print_queue(sc, txq, buf + len, size - len);
 732         }
 733
 734         len += scnprintf(buf + len, size - len, "(CAB): ");
 735         len += print_queue(sc, sc->beacon.cabq, buf + len, size - len);
 736
 737         if (len > size)
 738                 len = size;
 739
 740         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 741         kfree(buf);
 742
 743         return retval;
 744 }
 745
 746 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 747                               size_t count, loff_t *ppos)
 748 {
 749         struct ath_softc *sc = file->private_data;
 750         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 751         struct ieee80211_hw *hw = sc->hw;
 752         struct ath9k_vif_iter_data iter_data;
 753         char buf[512];
 754         unsigned int len = 0;
 755         ssize_t retval = 0;
 756         unsigned int reg;
 757         u32 rxfilter;
 758
 759         len += scnprintf(buf + len, sizeof(buf) - len,
 760                          "BSSID: %pM\n", common->curbssid);
 761         len += scnprintf(buf + len, sizeof(buf) - len,
 762                          "BSSID-MASK: %pM\n", common->bssidmask);
 763         len += scnprintf(buf + len, sizeof(buf) - len,
 764                          "OPMODE: %s\n",
 765                          ath_opmode_to_string(sc->sc_ah->opmode));
 766
 767         ath9k_ps_wakeup(sc);
 768         rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
 769         ath9k_ps_restore(sc);
 770
 771         len += scnprintf(buf + len, sizeof(buf) - len,
 772                          "RXFILTER: 0x%x", rxfilter);
 773
 774         if (rxfilter & ATH9K_RX_FILTER_UCAST)
 775                 len += scnprintf(buf + len, sizeof(buf) - len, " UCAST");
 776         if (rxfilter & ATH9K_RX_FILTER_MCAST)
 777                 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST");
 778         if (rxfilter & ATH9K_RX_FILTER_BCAST)
 779                 len += scnprintf(buf + len, sizeof(buf) - len, " BCAST");
 780         if (rxfilter & ATH9K_RX_FILTER_CONTROL)
 781                 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL");
 782         if (rxfilter & ATH9K_RX_FILTER_BEACON)
 783                 len += scnprintf(buf + len, sizeof(buf) - len, " BEACON");
 784         if (rxfilter & ATH9K_RX_FILTER_PROM)
 785                 len += scnprintf(buf + len, sizeof(buf) - len, " PROM");
 786         if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
 787                 len += scnprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 788         if (rxfilter & ATH9K_RX_FILTER_PHYERR)
 789                 len += scnprintf(buf + len, sizeof(buf) - len, " PHYERR");
 790         if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
 791                 len += scnprintf(buf + len, sizeof(buf) - len, " MYBEACON");
 792         if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
 793                 len += scnprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
 794         if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
 795                 len += scnprintf(buf + len, sizeof(buf) - len, " PSPOLL");
 796         if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
 797                 len += scnprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
 798         if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
 799                 len += scnprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
 800         if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
 801                 len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
 802
 803         len += scnprintf(buf + len, sizeof(buf) - len, "\n");
 804
 805         reg = sc->sc_ah->imask;
 806
 807         len += scnprintf(buf + len, sizeof(buf) - len,
 808                          "INTERRUPT-MASK: 0x%x", reg);
 809
 810         if (reg & ATH9K_INT_SWBA)
 811                 len += scnprintf(buf + len, sizeof(buf) - len, " SWBA");
 812         if (reg & ATH9K_INT_BMISS)
 813                 len += scnprintf(buf + len, sizeof(buf) - len, " BMISS");
 814         if (reg & ATH9K_INT_CST)
 815                 len += scnprintf(buf + len, sizeof(buf) - len, " CST");
 816         if (reg & ATH9K_INT_RX)
 817                 len += scnprintf(buf + len, sizeof(buf) - len, " RX");
 818         if (reg & ATH9K_INT_RXHP)
 819                 len += scnprintf(buf + len, sizeof(buf) - len, " RXHP");
 820         if (reg & ATH9K_INT_RXLP)
 821                 len += scnprintf(buf + len, sizeof(buf) - len, " RXLP");
 822         if (reg & ATH9K_INT_BB_WATCHDOG)
 823                 len += scnprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
 824
 825         len += scnprintf(buf + len, sizeof(buf) - len, "\n");
 826
 827         ath9k_calculate_iter_data(hw, NULL, &iter_data);
 828
 829         len += scnprintf(buf + len, sizeof(buf) - len,
 830                          "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
 831                          " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
 832                          iter_data.naps, iter_data.nstations, iter_data.nmeshes,
 833                          iter_data.nwds, iter_data.nadhocs,
 834                          sc->nvifs, sc->nbcnvifs);
 835
 836         if (len > sizeof(buf))
 837                 len = sizeof(buf);
 838
 839         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 840         return retval;
 841 }
 842
 843 static ssize_t read_file_reset(struct file *file, char __user *user_buf,
 844                                size_t count, loff_t *ppos)
 845 {
 846         struct ath_softc *sc = file->private_data;
 847         char buf[512];
 848         unsigned int len = 0;
 849
 850         len += scnprintf(buf + len, sizeof(buf) - len,
 851                          "%17s: %2d\n", "Baseband Hang",
 852                          sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
 853         len += scnprintf(buf + len, sizeof(buf) - len,
 854                          "%17s: %2d\n", "Baseband Watchdog",
 855                          sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
 856         len += scnprintf(buf + len, sizeof(buf) - len,
 857                          "%17s: %2d\n", "Fatal HW Error",
 858                          sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
 859         len += scnprintf(buf + len, sizeof(buf) - len,
 860                          "%17s: %2d\n", "TX HW error",
 861                          sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
 862         len += scnprintf(buf + len, sizeof(buf) - len,
 863                          "%17s: %2d\n", "TX Path Hang",
 864                          sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
 865         len += scnprintf(buf + len, sizeof(buf) - len,
 866                          "%17s: %2d\n", "PLL RX Hang",
 867                          sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
 868         len += scnprintf(buf + len, sizeof(buf) - len,
 869                          "%17s: %2d\n", "MCI Reset",
 870                          sc->debug.stats.reset[RESET_TYPE_MCI]);
 871
 872         if (len > sizeof(buf))
 873                 len = sizeof(buf);
 874
 875         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 876 }
 877
 878 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 879                        struct ath_tx_status *ts, struct ath_txq *txq,
 880                        unsigned int flags)
 881 {
 882         int qnum = txq->axq_qnum;
 883
 884         TX_STAT_INC(qnum, tx_pkts_all);
 885         sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
 886
 887         if (bf_isampdu(bf)) {
 888                 if (flags & ATH_TX_ERROR)
 889                         TX_STAT_INC(qnum, a_xretries);
 890                 else
 891                         TX_STAT_INC(qnum, a_completed);
 892         } else {
 893                 if (ts->ts_status & ATH9K_TXERR_XRETRY)
 894                         TX_STAT_INC(qnum, xretries);
 895                 else
 896                         TX_STAT_INC(qnum, completed);
 897         }
 898
 899         if (ts->ts_status & ATH9K_TXERR_FILT)
 900                 TX_STAT_INC(qnum, txerr_filtered);
 901         if (ts->ts_status & ATH9K_TXERR_FIFO)
 902                 TX_STAT_INC(qnum, fifo_underrun);
 903         if (ts->ts_status & ATH9K_TXERR_XTXOP)
 904                 TX_STAT_INC(qnum, xtxop);
 905         if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
 906                 TX_STAT_INC(qnum, timer_exp);
 907         if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
 908                 TX_STAT_INC(qnum, desc_cfg_err);
 909         if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
 910                 TX_STAT_INC(qnum, data_underrun);
 911         if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
 912                 TX_STAT_INC(qnum, delim_underrun);
 913 }
 914
 915 static const struct file_operations fops_xmit = {
 916         .read = read_file_xmit,
 917         .open = simple_open,
 918         .owner = THIS_MODULE,
 919         .llseek = default_llseek,
 920 };
 921
 922 static const struct file_operations fops_queues = {
 923         .read = read_file_queues,
 924         .open = simple_open,
 925         .owner = THIS_MODULE,
 926         .llseek = default_llseek,
 927 };
 928
 929 static const struct file_operations fops_misc = {
 930         .read = read_file_misc,
 931         .open = simple_open,
 932         .owner = THIS_MODULE,
 933         .llseek = default_llseek,
 934 };
 935
 936 static const struct file_operations fops_reset = {
 937         .read = read_file_reset,
 938         .open = simple_open,
 939         .owner = THIS_MODULE,
 940         .llseek = default_llseek,
 941 };
 942
 943 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 944                               size_t count, loff_t *ppos)
 945 {
 946 #define PHY_ERR(s, p) \
 947         len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \
 948                          sc->debug.stats.rxstats.phy_err_stats[p]);
 949
 950 #define RXS_ERR(s, e)                                       \
 951         do {                                                \
 952                 len += scnprintf(buf + len, size - len,     \
 953                                  "%22s : %10u\n", s,        \
 954                                  sc->debug.stats.rxstats.e);\
 955         } while (0)
 956
 957         struct ath_softc *sc = file->private_data;
 958         char *buf;
 959         unsigned int len = 0, size = 1600;
 960         ssize_t retval = 0;
 961
 962         buf = kzalloc(size, GFP_KERNEL);
 963         if (buf == NULL)
 964                 return -ENOMEM;
 965
 966         RXS_ERR("CRC ERR", crc_err);
 967         RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
 968         RXS_ERR("PHY ERR", phy_err);
 969         RXS_ERR("MIC ERR", mic_err);
 970         RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
 971         RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
 972         RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
 973         RXS_ERR("RX-LENGTH-ERR", rx_len_err);
 974         RXS_ERR("RX-OOM-ERR", rx_oom_err);
 975         RXS_ERR("RX-RATE-ERR", rx_rate_err);
 976         RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
 977
 978         PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
 979         PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
 980         PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
 981         PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
 982         PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
 983         PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
 984         PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
 985         PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
 986         PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
 987         PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
 988         PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
 989         PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
 990         PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
 991         PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
 992         PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
 993         PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
 994         PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
 995         PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
 996         PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
 997         PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
 998         PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
 999         PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
1000         PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
1001         PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
1002         PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
1003         PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
1004
1005         RXS_ERR("RX-Pkts-All", rx_pkts_all);
1006         RXS_ERR("RX-Bytes-All", rx_bytes_all);
1007         RXS_ERR("RX-Beacons", rx_beacons);
1008         RXS_ERR("RX-Frags", rx_frags);
1009         RXS_ERR("RX-Spectral", rx_spectral);
1010
1011         if (len > size)
1012                 len = size;
1013
1014         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1015         kfree(buf);
1016
1017         return retval;
1018
1019 #undef RXS_ERR
1020 #undef PHY_ERR
1021 }
1022
1023 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
1024 {
1025 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
1026
1027         RX_STAT_INC(rx_pkts_all);
1028         sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
1029
1030         if (rs->rs_status & ATH9K_RXERR_CRC)
1031                 RX_STAT_INC(crc_err);
1032         if (rs->rs_status & ATH9K_RXERR_DECRYPT)
1033                 RX_STAT_INC(decrypt_crc_err);
1034         if (rs->rs_status & ATH9K_RXERR_MIC)
1035                 RX_STAT_INC(mic_err);
1036         if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
1037                 RX_STAT_INC(pre_delim_crc_err);
1038         if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
1039                 RX_STAT_INC(post_delim_crc_err);
1040         if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
1041                 RX_STAT_INC(decrypt_busy_err);
1042
1043         if (rs->rs_status & ATH9K_RXERR_PHY) {
1044                 RX_STAT_INC(phy_err);
1045                 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
1046                         RX_PHY_ERR_INC(rs->rs_phyerr);
1047         }
1048
1049 #undef RX_PHY_ERR_INC
1050 }
1051
1052 static const struct file_operations fops_recv = {
1053         .read = read_file_recv,
1054         .open = simple_open,
1055         .owner = THIS_MODULE,
1056         .llseek = default_llseek,
1057 };
1058
1059 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1060                                 size_t count, loff_t *ppos)
1061 {
1062         struct ath_softc *sc = file->private_data;
1063         char buf[32];
1064         unsigned int len;
1065
1066         len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1067         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1068 }
1069
1070 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1071                              size_t count, loff_t *ppos)
1072 {
1073         struct ath_softc *sc = file->private_data;
1074         unsigned long regidx;
1075         char buf[32];
1076         ssize_t len;
1077
1078         len = min(count, sizeof(buf) - 1);
1079         if (copy_from_user(buf, user_buf, len))
1080                 return -EFAULT;
1081
1082         buf[len] = '\0';
1083         if (kstrtoul(buf, 0, &regidx))
1084                 return -EINVAL;
1085
1086         sc->debug.regidx = regidx;
1087         return count;
1088 }
1089
1090 static const struct file_operations fops_regidx = {
1091         .read = read_file_regidx,
1092         .write = write_file_regidx,
1093         .open = simple_open,
1094         .owner = THIS_MODULE,
1095         .llseek = default_llseek,
1096 };
1097
1098 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1099                              size_t count, loff_t *ppos)
1100 {
1101         struct ath_softc *sc = file->private_data;
1102         struct ath_hw *ah = sc->sc_ah;
1103         char buf[32];
1104         unsigned int len;
1105         u32 regval;
1106
1107         ath9k_ps_wakeup(sc);
1108         regval = REG_READ_D(ah, sc->debug.regidx);
1109         ath9k_ps_restore(sc);
1110         len = sprintf(buf, "0x%08x\n", regval);
1111         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1112 }
1113
1114 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1115                              size_t count, loff_t *ppos)
1116 {
1117         struct ath_softc *sc = file->private_data;
1118         struct ath_hw *ah = sc->sc_ah;
1119         unsigned long regval;
1120         char buf[32];
1121         ssize_t len;
1122
1123         len = min(count, sizeof(buf) - 1);
1124         if (copy_from_user(buf, user_buf, len))
1125                 return -EFAULT;
1126
1127         buf[len] = '\0';
1128         if (kstrtoul(buf, 0, &regval))
1129                 return -EINVAL;
1130
1131         ath9k_ps_wakeup(sc);
1132         REG_WRITE_D(ah, sc->debug.regidx, regval);
1133         ath9k_ps_restore(sc);
1134         return count;
1135 }
1136
1137 static const struct file_operations fops_regval = {
1138         .read = read_file_regval,
1139         .write = write_file_regval,
1140         .open = simple_open,
1141         .owner = THIS_MODULE,
1142         .llseek = default_llseek,
1143 };
1144
1145 #define REGDUMP_LINE_SIZE       20
1146
1147 static int open_file_regdump(struct inode *inode, struct file *file)
1148 {
1149         struct ath_softc *sc = inode->i_private;
1150         unsigned int len = 0;
1151         u8 *buf;
1152         int i;
1153         unsigned long num_regs, regdump_len, max_reg_offset;
1154
1155         max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1156         num_regs = max_reg_offset / 4 + 1;
1157         regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1158         buf = vmalloc(regdump_len);
1159         if (!buf)
1160                 return -ENOMEM;
1161
1162         ath9k_ps_wakeup(sc);
1163         for (i = 0; i < num_regs; i++)
1164                 len += scnprintf(buf + len, regdump_len - len,
1165                         "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1166         ath9k_ps_restore(sc);
1167
1168         file->private_data = buf;
1169
1170         return 0;
1171 }
1172
1173 static const struct file_operations fops_regdump = {
1174         .open = open_file_regdump,
1175         .read = ath9k_debugfs_read_buf,
1176         .release = ath9k_debugfs_release_buf,
1177         .owner = THIS_MODULE,
1178         .llseek = default_llseek,/* read accesses f_pos */
1179 };
1180
1181 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1182                                     size_t count, loff_t *ppos)
1183 {
1184         struct ath_softc *sc = file->private_data;
1185         struct ath_hw *ah = sc->sc_ah;
1186         struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1187         struct ath_common *common = ath9k_hw_common(ah);
1188         struct ieee80211_conf *conf = &common->hw->conf;
1189         u32 len = 0, size = 1500;
1190         u32 i, j;
1191         ssize_t retval = 0;
1192         char *buf;
1193         u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1194         u8 nread;
1195
1196         buf = kzalloc(size, GFP_KERNEL);
1197         if (!buf)
1198                 return -ENOMEM;
1199
1200         len += scnprintf(buf + len, size - len,
1201                          "Channel Noise Floor : %d\n", ah->noise);
1202         len += scnprintf(buf + len, size - len,
1203                          "Chain | privNF | # Readings | NF Readings\n");
1204         for (i = 0; i < NUM_NF_READINGS; i++) {
1205                 if (!(chainmask & (1 << i)) ||
1206                     ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1207                         continue;
1208
1209                 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1210                 len += scnprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1211                                  i, h[i].privNF, nread);
1212                 for (j = 0; j < nread; j++)
1213                         len += scnprintf(buf + len, size - len,
1214                                          " %d", h[i].nfCalBuffer[j]);
1215                 len += scnprintf(buf + len, size - len, "\n");
1216         }
1217
1218         if (len > size)
1219                 len = size;
1220
1221         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1222         kfree(buf);
1223
1224         return retval;
1225 }
1226
1227 static const struct file_operations fops_dump_nfcal = {
1228         .read = read_file_dump_nfcal,
1229         .open = simple_open,
1230         .owner = THIS_MODULE,
1231         .llseek = default_llseek,
1232 };
1233
1234 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1235                                      size_t count, loff_t *ppos)
1236 {
1237         struct ath_softc *sc = file->private_data;
1238         struct ath_hw *ah = sc->sc_ah;
1239         u32 len = 0, size = 1500;
1240         ssize_t retval = 0;
1241         char *buf;
1242
1243         buf = kzalloc(size, GFP_KERNEL);
1244         if (!buf)
1245                 return -ENOMEM;
1246
1247         len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1248
1249         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1250         kfree(buf);
1251
1252         return retval;
1253 }
1254
1255 static const struct file_operations fops_base_eeprom = {
1256         .read = read_file_base_eeprom,
1257         .open = simple_open,
1258         .owner = THIS_MODULE,
1259         .llseek = default_llseek,
1260 };
1261
1262 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1263                                       size_t count, loff_t *ppos)
1264 {
1265         struct ath_softc *sc = file->private_data;
1266         struct ath_hw *ah = sc->sc_ah;
1267         u32 len = 0, size = 6000;
1268         char *buf;
1269         size_t retval;
1270
1271         buf = kzalloc(size, GFP_KERNEL);
1272         if (buf == NULL)
1273                 return -ENOMEM;
1274
1275         len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1276
1277         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1278         kfree(buf);
1279
1280         return retval;
1281 }
1282
1283 static const struct file_operations fops_modal_eeprom = {
1284         .read = read_file_modal_eeprom,
1285         .open = simple_open,
1286         .owner = THIS_MODULE,
1287         .llseek = default_llseek,
1288 };
1289
1290 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1291 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1292                                 size_t count, loff_t *ppos)
1293 {
1294         struct ath_softc *sc = file->private_data;
1295         u32 len = 0, size = 1500;
1296         char *buf;
1297         size_t retval;
1298
1299         buf = kzalloc(size, GFP_KERNEL);
1300         if (buf == NULL)
1301                 return -ENOMEM;
1302
1303         if (!sc->sc_ah->common.btcoex_enabled) {
1304                 len = scnprintf(buf, size, "%s\n",
1305                                 "BTCOEX is disabled");
1306                 goto exit;
1307         }
1308
1309         len = ath9k_dump_btcoex(sc, buf, size);
1310 exit:
1311         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1312         kfree(buf);
1313
1314         return retval;
1315 }
1316
1317 static const struct file_operations fops_btcoex = {
1318         .read = read_file_btcoex,
1319         .open = simple_open,
1320         .owner = THIS_MODULE,
1321         .llseek = default_llseek,
1322 };
1323 #endif
1324
1325 /* Ethtool support for get-stats */
1326
1327 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1328 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1329         "tx_pkts_nic",
1330         "tx_bytes_nic",
1331         "rx_pkts_nic",
1332         "rx_bytes_nic",
1333         AMKSTR(d_tx_pkts),
1334         AMKSTR(d_tx_bytes),
1335         AMKSTR(d_tx_mpdus_queued),
1336         AMKSTR(d_tx_mpdus_completed),
1337         AMKSTR(d_tx_mpdu_xretries),
1338         AMKSTR(d_tx_aggregates),
1339         AMKSTR(d_tx_ampdus_queued_hw),
1340         AMKSTR(d_tx_ampdus_queued_sw),
1341         AMKSTR(d_tx_ampdus_completed),
1342         AMKSTR(d_tx_ampdu_retries),
1343         AMKSTR(d_tx_ampdu_xretries),
1344         AMKSTR(d_tx_fifo_underrun),
1345         AMKSTR(d_tx_op_exceeded),
1346         AMKSTR(d_tx_timer_expiry),
1347         AMKSTR(d_tx_desc_cfg_err),
1348         AMKSTR(d_tx_data_underrun),
1349         AMKSTR(d_tx_delim_underrun),
1350         "d_rx_crc_err",
1351         "d_rx_decrypt_crc_err",
1352         "d_rx_phy_err",
1353         "d_rx_mic_err",
1354         "d_rx_pre_delim_crc_err",
1355         "d_rx_post_delim_crc_err",
1356         "d_rx_decrypt_busy_err",
1357
1358         "d_rx_phyerr_radar",
1359         "d_rx_phyerr_ofdm_timing",
1360         "d_rx_phyerr_cck_timing",
1361
1362 };
1363 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1364
1365 void ath9k_get_et_strings(struct ieee80211_hw *hw,
1366                           struct ieee80211_vif *vif,
1367                           u32 sset, u8 *data)
1368 {
1369         if (sset == ETH_SS_STATS)
1370                 memcpy(data, *ath9k_gstrings_stats,
1371                        sizeof(ath9k_gstrings_stats));
1372 }
1373
1374 int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1375                             struct ieee80211_vif *vif, int sset)
1376 {
1377         if (sset == ETH_SS_STATS)
1378                 return ATH9K_SSTATS_LEN;
1379         return 0;
1380 }
1381
1382 #define AWDATA(elem)                                                    \
1383         do {                                                            \
1384                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1385                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1386                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1387                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1388         } while (0)
1389
1390 #define AWDATA_RX(elem)                                         \
1391         do {                                                    \
1392                 data[i++] = sc->debug.stats.rxstats.elem;       \
1393         } while (0)
1394
1395 void ath9k_get_et_stats(struct ieee80211_hw *hw,
1396                         struct ieee80211_vif *vif,
1397                         struct ethtool_stats *stats, u64 *data)
1398 {
1399         struct ath_softc *sc = hw->priv;
1400         int i = 0;
1401
1402         data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1403                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1404                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1405                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1406         data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1407                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1408                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1409                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1410         AWDATA_RX(rx_pkts_all);
1411         AWDATA_RX(rx_bytes_all);
1412
1413         AWDATA(tx_pkts_all);
1414         AWDATA(tx_bytes_all);
1415         AWDATA(queued);
1416         AWDATA(completed);
1417         AWDATA(xretries);
1418         AWDATA(a_aggr);
1419         AWDATA(a_queued_hw);
1420         AWDATA(a_queued_sw);
1421         AWDATA(a_completed);
1422         AWDATA(a_retries);
1423         AWDATA(a_xretries);
1424         AWDATA(fifo_underrun);
1425         AWDATA(xtxop);
1426         AWDATA(timer_exp);
1427         AWDATA(desc_cfg_err);
1428         AWDATA(data_underrun);
1429         AWDATA(delim_underrun);
1430
1431         AWDATA_RX(crc_err);
1432         AWDATA_RX(decrypt_crc_err);
1433         AWDATA_RX(phy_err);
1434         AWDATA_RX(mic_err);
1435         AWDATA_RX(pre_delim_crc_err);
1436         AWDATA_RX(post_delim_crc_err);
1437         AWDATA_RX(decrypt_busy_err);
1438
1439         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1440         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1441         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1442
1443         WARN_ON(i != ATH9K_SSTATS_LEN);
1444 }
1445
1446 void ath9k_deinit_debug(struct ath_softc *sc)
1447 {
1448         ath9k_spectral_deinit_debug(sc);
1449 }
1450
1451 int ath9k_init_debug(struct ath_hw *ah)
1452 {
1453         struct ath_common *common = ath9k_hw_common(ah);
1454         struct ath_softc *sc = (struct ath_softc *) common->priv;
1455
1456         sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1457                                                    sc->hw->wiphy->debugfsdir);
1458         if (!sc->debug.debugfs_phy)
1459                 return -ENOMEM;
1460
1461 #ifdef CONFIG_ATH_DEBUG
1462         debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1463                             sc, &fops_debug);
1464 #endif
1465
1466         ath9k_dfs_init_debug(sc);
1467         ath9k_tx99_init_debug(sc);
1468         ath9k_spectral_init_debug(sc);
1469
1470         debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1471                             &fops_dma);
1472         debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1473                             &fops_interrupt);
1474         debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1475                             &fops_xmit);
1476         debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
1477                             &fops_queues);
1478         debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1479                            &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
1480         debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1481                            &sc->tx.txq_max_pending[IEEE80211_AC_BE]);
1482         debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1483                            &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
1484         debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1485                            &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
1486         debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1487                             &fops_misc);
1488         debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1489                             &fops_reset);
1490         debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1491                             &fops_recv);
1492         debugfs_create_u8("rx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1493                           &ah->rxchainmask);
1494         debugfs_create_u8("tx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1495                           &ah->txchainmask);
1496         debugfs_create_file("ani", S_IRUSR | S_IWUSR,
1497                             sc->debug.debugfs_phy, sc, &fops_ani);
1498         debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1499                             &sc->sc_ah->config.enable_paprd);
1500         debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1501                             sc, &fops_regidx);
1502         debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1503                             sc, &fops_regval);
1504         debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1505                             sc->debug.debugfs_phy,
1506                             &ah->config.cwm_ignore_extcca);
1507         debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1508                             &fops_regdump);
1509         debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1510                             &fops_dump_nfcal);
1511         debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1512                             &fops_base_eeprom);
1513         debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1514                             &fops_modal_eeprom);
1515         debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1516                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1517         debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1518                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1519         debugfs_create_file("antenna_diversity", S_IRUSR,
1520                             sc->debug.debugfs_phy, sc, &fops_antenna_diversity);
1521 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1522         debugfs_create_file("bt_ant_diversity", S_IRUSR | S_IWUSR,
1523                             sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity);
1524         debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
1525                             &fops_btcoex);
1526 #endif
1527
1528         return 0;
1529 }