LCOV - code coverage report
Current view: top level - sound/pci/ac97 - ac97_proc.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 95 265 35.8 %
Date: 2014-04-07 Functions: 4 9 44.4 %
Branches: 62 248 25.0 %

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
       3                 :            :  *  Universal interface for Audio Codec '97
       4                 :            :  *
       5                 :            :  *  For more details look to AC '97 component specification revision 2.2
       6                 :            :  *  by Intel Corporation (http://developer.intel.com).
       7                 :            :  *
       8                 :            :  *
       9                 :            :  *   This program is free software; you can redistribute it and/or modify
      10                 :            :  *   it under the terms of the GNU General Public License as published by
      11                 :            :  *   the Free Software Foundation; either version 2 of the License, or
      12                 :            :  *   (at your option) any later version.
      13                 :            :  *
      14                 :            :  *   This program is distributed in the hope that it will be useful,
      15                 :            :  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
      16                 :            :  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17                 :            :  *   GNU General Public License for more details.
      18                 :            :  *
      19                 :            :  *   You should have received a copy of the GNU General Public License
      20                 :            :  *   along with this program; if not, write to the Free Software
      21                 :            :  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
      22                 :            :  *
      23                 :            :  */
      24                 :            : 
      25                 :            : #include <linux/mutex.h>
      26                 :            : 
      27                 :            : #include <sound/core.h>
      28                 :            : #include <sound/ac97_codec.h>
      29                 :            : #include <sound/asoundef.h>
      30                 :            : #include "ac97_local.h"
      31                 :            : #include "ac97_id.h"
      32                 :            : 
      33                 :            : /*
      34                 :            :  * proc interface
      35                 :            :  */
      36                 :            : 
      37                 :          0 : static void snd_ac97_proc_read_functions(struct snd_ac97 *ac97, struct snd_info_buffer *buffer)
      38                 :            : {
      39                 :            :         int header = 0, function;
      40                 :            :         unsigned short info, sense_info;
      41                 :            :         static const char *function_names[12] = {
      42                 :            :                 "Master Out", "AUX Out", "Center/LFE Out", "SPDIF Out",
      43                 :            :                 "Phone In", "Mic 1", "Mic 2", "Line In", "CD In", "Video In",
      44                 :            :                 "Aux In", "Mono Out"
      45                 :            :         };
      46                 :            :         static const char *locations[8] = {
      47                 :            :                 "Rear I/O Panel", "Front Panel", "Motherboard", "Dock/External",
      48                 :            :                 "reserved", "reserved", "reserved", "NC/unused"
      49                 :            :         };
      50                 :            : 
      51         [ #  # ]:          0 :         for (function = 0; function < 12; ++function) {
      52                 :          0 :                 snd_ac97_write(ac97, AC97_FUNC_SELECT, function << 1);
      53                 :          0 :                 info = snd_ac97_read(ac97, AC97_FUNC_INFO);
      54         [ #  # ]:          0 :                 if (!(info & 0x0001))
      55                 :          0 :                         continue;
      56         [ #  # ]:          0 :                 if (!header) {
      57                 :          0 :                         snd_iprintf(buffer, "\n                    Gain     Inverted  Buffer delay  Location\n");
      58                 :            :                         header = 1;
      59                 :            :                 }
      60                 :          0 :                 sense_info = snd_ac97_read(ac97, AC97_SENSE_INFO);
      61         [ #  # ]:          0 :                 snd_iprintf(buffer, "%-17s: %3d.%d dBV    %c      %2d/fs         %s\n",
      62                 :            :                             function_names[function],
      63         [ #  # ]:          0 :                             (info & 0x8000 ? -1 : 1) * ((info & 0x7000) >> 12) * 3 / 2,
      64                 :          0 :                             ((info & 0x0800) >> 11) * 5,
      65                 :          0 :                             info & 0x0400 ? 'X' : '-',
      66                 :          0 :                             (info & 0x03e0) >> 5,
      67                 :          0 :                             locations[sense_info >> 13]);
      68                 :            :         }
      69                 :          0 : }
      70                 :            : 
      71                 :            : static const char *snd_ac97_stereo_enhancements[] =
      72                 :            : {
      73                 :            :   /*   0 */ "No 3D Stereo Enhancement",
      74                 :            :   /*   1 */ "Analog Devices Phat Stereo",
      75                 :            :   /*   2 */ "Creative Stereo Enhancement",
      76                 :            :   /*   3 */ "National Semi 3D Stereo Enhancement",
      77                 :            :   /*   4 */ "YAMAHA Ymersion",
      78                 :            :   /*   5 */ "BBE 3D Stereo Enhancement",
      79                 :            :   /*   6 */ "Crystal Semi 3D Stereo Enhancement",
      80                 :            :   /*   7 */ "Qsound QXpander",
      81                 :            :   /*   8 */ "Spatializer 3D Stereo Enhancement",
      82                 :            :   /*   9 */ "SRS 3D Stereo Enhancement",
      83                 :            :   /*  10 */ "Platform Tech 3D Stereo Enhancement",
      84                 :            :   /*  11 */ "AKM 3D Audio",
      85                 :            :   /*  12 */ "Aureal Stereo Enhancement",
      86                 :            :   /*  13 */ "Aztech 3D Enhancement",
      87                 :            :   /*  14 */ "Binaura 3D Audio Enhancement",
      88                 :            :   /*  15 */ "ESS Technology Stereo Enhancement",
      89                 :            :   /*  16 */ "Harman International VMAx",
      90                 :            :   /*  17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
      91                 :            :   /*  18 */ "Philips Incredible Sound",
      92                 :            :   /*  19 */ "Texas Instruments 3D Stereo Enhancement",
      93                 :            :   /*  20 */ "VLSI Technology 3D Stereo Enhancement",
      94                 :            :   /*  21 */ "TriTech 3D Stereo Enhancement",
      95                 :            :   /*  22 */ "Realtek 3D Stereo Enhancement",
      96                 :            :   /*  23 */ "Samsung 3D Stereo Enhancement",
      97                 :            :   /*  24 */ "Wolfson Microelectronics 3D Enhancement",
      98                 :            :   /*  25 */ "Delta Integration 3D Enhancement",
      99                 :            :   /*  26 */ "SigmaTel 3D Enhancement",
     100                 :            :   /*  27 */ "IC Ensemble/KS Waves",
     101                 :            :   /*  28 */ "Rockwell 3D Stereo Enhancement",
     102                 :            :   /*  29 */ "Reserved 29",
     103                 :            :   /*  30 */ "Reserved 30",
     104                 :            :   /*  31 */ "Reserved 31"
     105                 :            : };
     106                 :            : 
     107                 :          0 : static void snd_ac97_proc_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx)
     108                 :            : {
     109                 :            :         char name[64];
     110                 :            :         unsigned short val, tmp, ext, mext;
     111                 :            :         static const char *spdif_slots[4] = { " SPDIF=3/4", " SPDIF=7/8", " SPDIF=6/9", " SPDIF=10/11" };
     112                 :            :         static const char *spdif_rates[4] = { " Rate=44.1kHz", " Rate=res", " Rate=48kHz", " Rate=32kHz" };
     113                 :            :         static const char *spdif_rates_cs4205[4] = { " Rate=48kHz", " Rate=44.1kHz", " Rate=res", " Rate=res" };
     114                 :            :         static const char *double_rate_slots[4] = { "10/11", "7/8", "reserved", "reserved" };
     115                 :            : 
     116                 :          1 :         snd_ac97_get_name(NULL, ac97->id, name, 0);
     117                 :          1 :         snd_iprintf(buffer, "%d-%d/%d: %s\n\n", ac97->addr, ac97->num, subidx, name);
     118                 :            : 
     119         [ +  - ]:          1 :         if ((ac97->scaps & AC97_SCAP_AUDIO) == 0)
     120                 :            :                 goto __modem;
     121                 :            : 
     122                 :          1 :         snd_iprintf(buffer, "PCI Subsys Vendor: 0x%04x\n",
     123                 :          1 :                     ac97->subsystem_vendor);
     124                 :          1 :         snd_iprintf(buffer, "PCI Subsys Device: 0x%04x\n\n",
     125                 :          1 :                     ac97->subsystem_device);
     126                 :            : 
     127                 :          1 :         snd_iprintf(buffer, "Flags: %x\n", ac97->flags);
     128                 :            : 
     129         [ -  + ]:          1 :         if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) {
     130                 :          0 :                 val = snd_ac97_read(ac97, AC97_INT_PAGING);
     131                 :          0 :                 snd_ac97_update_bits(ac97, AC97_INT_PAGING,
     132                 :            :                                      AC97_PAGE_MASK, AC97_PAGE_1);
     133                 :          0 :                 tmp = snd_ac97_read(ac97, AC97_CODEC_CLASS_REV);
     134                 :          0 :                 snd_iprintf(buffer, "Revision         : 0x%02x\n", tmp & 0xff);
     135                 :          0 :                 snd_iprintf(buffer, "Compat. Class    : 0x%02x\n", (tmp >> 8) & 0x1f);
     136                 :          0 :                 snd_iprintf(buffer, "Subsys. Vendor ID: 0x%04x\n",
     137                 :          0 :                             snd_ac97_read(ac97, AC97_PCI_SVID));
     138                 :          0 :                 snd_iprintf(buffer, "Subsys. ID       : 0x%04x\n\n",
     139                 :          0 :                             snd_ac97_read(ac97, AC97_PCI_SID));
     140                 :          0 :                 snd_ac97_update_bits(ac97, AC97_INT_PAGING,
     141                 :            :                                      AC97_PAGE_MASK, val & AC97_PAGE_MASK);
     142                 :            :         }
     143                 :            : 
     144                 :            :         // val = snd_ac97_read(ac97, AC97_RESET);
     145                 :          1 :         val = ac97->caps;
     146 [ +  - ][ +  - ]:          1 :         snd_iprintf(buffer, "Capabilities     :%s%s%s%s%s%s\n",
         [ +  - ][ +  - ]
         [ +  - ][ +  - ]
     147                 :          1 :                     val & AC97_BC_DEDICATED_MIC ? " -dedicated MIC PCM IN channel-" : "",
     148                 :          1 :                     val & AC97_BC_RESERVED1 ? " -reserved1-" : "",
     149                 :          1 :                     val & AC97_BC_BASS_TREBLE ? " -bass & treble-" : "",
     150                 :          1 :                     val & AC97_BC_SIM_STEREO ? " -simulated stereo-" : "",
     151                 :          1 :                     val & AC97_BC_HEADPHONE ? " -headphone out-" : "",
     152                 :          1 :                     val & AC97_BC_LOUDNESS ? " -loudness-" : "");
     153                 :          1 :         tmp = ac97->caps & AC97_BC_DAC_MASK;
     154 [ +  - ][ -  + ]:          1 :         snd_iprintf(buffer, "DAC resolution   : %s%s%s%s\n",
         [ +  - ][ +  - ]
     155                 :            :                     tmp == AC97_BC_16BIT_DAC ? "16-bit" : "",
     156                 :            :                     tmp == AC97_BC_18BIT_DAC ? "18-bit" : "",
     157                 :            :                     tmp == AC97_BC_20BIT_DAC ? "20-bit" : "",
     158                 :            :                     tmp == AC97_BC_DAC_MASK ? "???" : "");
     159                 :          1 :         tmp = ac97->caps & AC97_BC_ADC_MASK;
     160 [ +  - ][ -  + ]:          1 :         snd_iprintf(buffer, "ADC resolution   : %s%s%s%s\n",
         [ +  - ][ +  - ]
     161                 :            :                     tmp == AC97_BC_16BIT_ADC ? "16-bit" : "",
     162                 :            :                     tmp == AC97_BC_18BIT_ADC ? "18-bit" : "",
     163                 :            :                     tmp == AC97_BC_20BIT_ADC ? "20-bit" : "",
     164                 :            :                     tmp == AC97_BC_ADC_MASK ? "???" : "");
     165                 :          1 :         snd_iprintf(buffer, "3D enhancement   : %s\n",
     166                 :          1 :                 snd_ac97_stereo_enhancements[(val >> 10) & 0x1f]);
     167                 :          1 :         snd_iprintf(buffer, "\nCurrent setup\n");
     168                 :          1 :         val = snd_ac97_read(ac97, AC97_MIC);
     169 [ +  - ][ +  - ]:          1 :         snd_iprintf(buffer, "Mic gain         : %s [%s]\n", val & 0x0040 ? "+20dB" : "+0dB", ac97->regs[AC97_MIC] & 0x0040 ? "+20dB" : "+0dB");
     170                 :          1 :         val = snd_ac97_read(ac97, AC97_GENERAL_PURPOSE);
     171 [ +  - ][ +  - ]:          1 :         snd_iprintf(buffer, "POP path         : %s 3D\n"
         [ +  - ][ +  - ]
         [ +  - ][ +  - ]
                 [ +  - ]
     172                 :            :                     "Sim. stereo      : %s\n"
     173                 :            :                     "3D enhancement   : %s\n"
     174                 :            :                     "Loudness         : %s\n"
     175                 :            :                     "Mono output      : %s\n"
     176                 :            :                     "Mic select       : %s\n"
     177                 :            :                     "ADC/DAC loopback : %s\n",
     178                 :          1 :                     val & 0x8000 ? "post" : "pre",
     179                 :          1 :                     val & 0x4000 ? "on" : "off",
     180                 :          1 :                     val & 0x2000 ? "on" : "off",
     181                 :          1 :                     val & 0x1000 ? "on" : "off",
     182                 :          1 :                     val & 0x0200 ? "Mic" : "MIX",
     183                 :          1 :                     val & 0x0100 ? "Mic2" : "Mic1",
     184                 :          1 :                     val & 0x0080 ? "on" : "off");
     185         [ -  + ]:          1 :         if (ac97->ext_id & AC97_EI_DRA)
     186                 :          0 :                 snd_iprintf(buffer, "Double rate slots: %s\n",
     187                 :          0 :                             double_rate_slots[(val >> 10) & 3]);
     188                 :            : 
     189                 :          1 :         ext = snd_ac97_read(ac97, AC97_EXTENDED_ID);
     190         [ +  - ]:          1 :         if (ext == 0)
     191                 :            :                 goto __modem;
     192                 :            :                 
     193 [ +  - ][ +  - ]:          1 :         snd_iprintf(buffer, "Extended ID      : codec=%i rev=%i%s%s%s%s DSA=%i%s%s%s%s\n",
         [ +  - ][ +  - ]
         [ +  - ][ +  - ]
         [ +  - ][ -  + ]
     194                 :          1 :                         (ext & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT,
     195                 :          1 :                         (ext & AC97_EI_REV_MASK) >> AC97_EI_REV_SHIFT,
     196                 :          1 :                         ext & AC97_EI_AMAP ? " AMAP" : "",
     197                 :          1 :                         ext & AC97_EI_LDAC ? " LDAC" : "",
     198                 :          1 :                         ext & AC97_EI_SDAC ? " SDAC" : "",
     199                 :          1 :                         ext & AC97_EI_CDAC ? " CDAC" : "",
     200                 :          1 :                         (ext & AC97_EI_DACS_SLOT_MASK) >> AC97_EI_DACS_SLOT_SHIFT,
     201                 :          1 :                         ext & AC97_EI_VRM ? " VRM" : "",
     202                 :          1 :                         ext & AC97_EI_SPDIF ? " SPDIF" : "",
     203                 :          1 :                         ext & AC97_EI_DRA ? " DRA" : "",
     204                 :          1 :                         ext & AC97_EI_VRA ? " VRA" : "");
     205                 :          1 :         val = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
     206 [ +  - ][ +  - ]:          1 :         snd_iprintf(buffer, "Extended status  :%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
         [ +  - ][ +  - ]
         [ +  - ][ +  - ]
         [ +  - ][ +  - ]
         [ +  - ][ -  + ]
         [ +  - ][ +  - ]
         [ +  - ][ -  + ]
     207                 :          1 :                         val & AC97_EA_PRL ? " PRL" : "",
     208                 :          1 :                         val & AC97_EA_PRK ? " PRK" : "",
     209                 :          1 :                         val & AC97_EA_PRJ ? " PRJ" : "",
     210                 :          1 :                         val & AC97_EA_PRI ? " PRI" : "",
     211                 :          1 :                         val & AC97_EA_SPCV ? " SPCV" : "",
     212                 :          1 :                         val & AC97_EA_MDAC ? " MADC" : "",
     213                 :          1 :                         val & AC97_EA_LDAC ? " LDAC" : "",
     214                 :          1 :                         val & AC97_EA_SDAC ? " SDAC" : "",
     215                 :          1 :                         val & AC97_EA_CDAC ? " CDAC" : "",
     216                 :          0 :                         ext & AC97_EI_SPDIF ? spdif_slots[(val & AC97_EA_SPSA_SLOT_MASK) >> AC97_EA_SPSA_SLOT_SHIFT] : "",
     217                 :          1 :                         val & AC97_EA_VRM ? " VRM" : "",
     218                 :          1 :                         val & AC97_EA_SPDIF ? " SPDIF" : "",
     219                 :          1 :                         val & AC97_EA_DRA ? " DRA" : "",
     220                 :          1 :                         val & AC97_EA_VRA ? " VRA" : "");
     221         [ +  - ]:          1 :         if (ext & AC97_EI_VRA) {    /* VRA */
     222                 :          1 :                 val = snd_ac97_read(ac97, AC97_PCM_FRONT_DAC_RATE);
     223                 :          1 :                 snd_iprintf(buffer, "PCM front DAC    : %iHz\n", val);
     224         [ -  + ]:          1 :                 if (ext & AC97_EI_SDAC) {
     225                 :          0 :                         val = snd_ac97_read(ac97, AC97_PCM_SURR_DAC_RATE);
     226                 :          0 :                         snd_iprintf(buffer, "PCM Surr DAC     : %iHz\n", val);
     227                 :            :                 }
     228         [ -  + ]:          1 :                 if (ext & AC97_EI_LDAC) {
     229                 :          0 :                         val = snd_ac97_read(ac97, AC97_PCM_LFE_DAC_RATE);
     230                 :          0 :                         snd_iprintf(buffer, "PCM LFE DAC      : %iHz\n", val);
     231                 :            :                 }
     232                 :          1 :                 val = snd_ac97_read(ac97, AC97_PCM_LR_ADC_RATE);
     233                 :          1 :                 snd_iprintf(buffer, "PCM ADC          : %iHz\n", val);
     234                 :            :         }
     235         [ -  + ]:          1 :         if (ext & AC97_EI_VRM) {
     236                 :          0 :                 val = snd_ac97_read(ac97, AC97_PCM_MIC_ADC_RATE);
     237                 :          0 :                 snd_iprintf(buffer, "PCM MIC ADC      : %iHz\n", val);
     238                 :            :         }
     239 [ +  - ][ +  - ]:          1 :         if ((ext & AC97_EI_SPDIF) || (ac97->flags & AC97_CS_SPDIF) ||
                 [ -  + ]
     240                 :          1 :             (ac97->id == AC97_ID_YMF743)) {
     241         [ #  # ]:          0 :                 if (ac97->flags & AC97_CS_SPDIF)
     242                 :          0 :                         val = snd_ac97_read(ac97, AC97_CSR_SPDIF);
     243         [ #  # ]:          0 :                 else if (ac97->id == AC97_ID_YMF743) {
     244                 :          0 :                         val = snd_ac97_read(ac97, AC97_YMF7X3_DIT_CTRL);
     245                 :          0 :                         val = 0x2000 | (val & 0xff00) >> 4 | (val & 0x38) >> 2;
     246                 :            :                 } else
     247                 :          0 :                         val = snd_ac97_read(ac97, AC97_SPDIF);
     248                 :            : 
     249 [ #  # ][ #  # ]:          0 :                 snd_iprintf(buffer, "SPDIF Control    :%s%s%s%s Category=0x%x Generation=%i%s%s%s\n",
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
                 [ #  # ]
     250                 :          0 :                         val & AC97_SC_PRO ? " PRO" : " Consumer",
     251                 :          0 :                         val & AC97_SC_NAUDIO ? " Non-audio" : " PCM",
     252                 :          0 :                         val & AC97_SC_COPY ? "" : " Copyright",
     253                 :          0 :                         val & AC97_SC_PRE ? " Preemph50/15" : "",
     254                 :          0 :                         (val & AC97_SC_CC_MASK) >> AC97_SC_CC_SHIFT,
     255                 :          0 :                         (val & AC97_SC_L) >> 11,
     256                 :          0 :                         (ac97->flags & AC97_CS_SPDIF) ?
     257                 :          0 :                             spdif_rates_cs4205[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT] :
     258                 :          0 :                             spdif_rates[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT],
     259                 :            :                         (ac97->flags & AC97_CS_SPDIF) ?
     260         [ #  # ]:          0 :                             (val & AC97_SC_DRS ? " Validity" : "") :
     261         [ #  # ]:          0 :                             (val & AC97_SC_DRS ? " DRS" : ""),
     262                 :            :                         (ac97->flags & AC97_CS_SPDIF) ?
     263         [ #  # ]:          0 :                             (val & AC97_SC_V ? " Enabled" : "") :
     264         [ #  # ]:          0 :                             (val & AC97_SC_V ? " Validity" : ""));
     265                 :            :                 /* ALC650 specific*/
     266   [ #  #  #  # ]:          0 :                 if ((ac97->id & 0xfffffff0) == 0x414c4720 &&
     267                 :          0 :                     (snd_ac97_read(ac97, AC97_ALC650_CLOCK) & 0x01)) {
     268                 :          0 :                         val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2);
     269         [ #  # ]:          0 :                         if (val & AC97_ALC650_CLOCK_LOCK) {
     270                 :          0 :                                 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS1);
     271 [ #  # ][ #  # ]:          0 :                                 snd_iprintf(buffer, "SPDIF In Status  :%s%s%s%s Category=0x%x Generation=%i",
         [ #  # ][ #  # ]
     272                 :          0 :                                             val & AC97_ALC650_PRO ? " PRO" : " Consumer",
     273                 :          0 :                                             val & AC97_ALC650_NAUDIO ? " Non-audio" : " PCM",
     274                 :          0 :                                             val & AC97_ALC650_COPY ? "" : " Copyright",
     275                 :          0 :                                             val & AC97_ALC650_PRE ? " Preemph50/15" : "",
     276                 :          0 :                                             (val & AC97_ALC650_CC_MASK) >> AC97_ALC650_CC_SHIFT,
     277                 :          0 :                                             (val & AC97_ALC650_L) >> 15);
     278                 :          0 :                                 val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2);
     279 [ #  # ][ #  # ]:          0 :                                 snd_iprintf(buffer, "%s Accuracy=%i%s%s\n",
     280                 :          0 :                                             spdif_rates[(val & AC97_ALC650_SPSR_MASK) >> AC97_ALC650_SPSR_SHIFT],
     281                 :          0 :                                             (val & AC97_ALC650_CLOCK_ACCURACY) >> AC97_ALC650_CLOCK_SHIFT,
     282                 :          0 :                                             (val & AC97_ALC650_CLOCK_LOCK ? " Locked" : " Unlocked"),
     283                 :          0 :                                             (val & AC97_ALC650_V ? " Validity?" : ""));
     284                 :            :                         } else {
     285                 :          0 :                                 snd_iprintf(buffer, "SPDIF In Status  : Not Locked\n");
     286                 :            :                         }
     287                 :            :                 }
     288                 :            :         }
     289         [ -  + ]:          1 :         if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) {
     290                 :          0 :                 val = snd_ac97_read(ac97, AC97_INT_PAGING);
     291                 :          0 :                 snd_ac97_update_bits(ac97, AC97_INT_PAGING,
     292                 :            :                                      AC97_PAGE_MASK, AC97_PAGE_1);
     293                 :          0 :                 snd_ac97_proc_read_functions(ac97, buffer);
     294                 :          0 :                 snd_ac97_update_bits(ac97, AC97_INT_PAGING,
     295                 :            :                                      AC97_PAGE_MASK, val & AC97_PAGE_MASK);
     296                 :            :         }
     297                 :            : 
     298                 :            : 
     299                 :            :       __modem:
     300                 :          1 :         mext = snd_ac97_read(ac97, AC97_EXTENDED_MID);
     301         [ -  + ]:          1 :         if (mext == 0)
     302                 :          1 :                 return;
     303                 :            :         
     304 [ #  # ][ #  # ]:          0 :         snd_iprintf(buffer, "Extended modem ID: codec=%i%s%s%s%s%s\n",
         [ #  # ][ #  # ]
                 [ #  # ]
     305                 :          0 :                         (mext & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT,
     306                 :          0 :                         mext & AC97_MEI_CID2 ? " CID2" : "",
     307                 :          0 :                         mext & AC97_MEI_CID1 ? " CID1" : "",
     308                 :          0 :                         mext & AC97_MEI_HANDSET ? " HSET" : "",
     309                 :          0 :                         mext & AC97_MEI_LINE2 ? " LIN2" : "",
     310                 :          0 :                         mext & AC97_MEI_LINE1 ? " LIN1" : "");
     311                 :          0 :         val = snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS);
     312 [ #  # ][ #  # ]:          0 :         snd_iprintf(buffer, "Modem status     :%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
     313                 :          0 :                         val & AC97_MEA_GPIO ? " GPIO" : "",
     314                 :          0 :                         val & AC97_MEA_MREF ? " MREF" : "",
     315                 :          0 :                         val & AC97_MEA_ADC1 ? " ADC1" : "",
     316                 :          0 :                         val & AC97_MEA_DAC1 ? " DAC1" : "",
     317                 :          0 :                         val & AC97_MEA_ADC2 ? " ADC2" : "",
     318                 :          0 :                         val & AC97_MEA_DAC2 ? " DAC2" : "",
     319                 :          0 :                         val & AC97_MEA_HADC ? " HADC" : "",
     320                 :          0 :                         val & AC97_MEA_HDAC ? " HDAC" : "",
     321                 :          0 :                         val & AC97_MEA_PRA ? " PRA(GPIO)" : "",
     322                 :          0 :                         val & AC97_MEA_PRB ? " PRB(res)" : "",
     323                 :          0 :                         val & AC97_MEA_PRC ? " PRC(ADC1)" : "",
     324                 :          0 :                         val & AC97_MEA_PRD ? " PRD(DAC1)" : "",
     325                 :          0 :                         val & AC97_MEA_PRE ? " PRE(ADC2)" : "",
     326                 :          0 :                         val & AC97_MEA_PRF ? " PRF(DAC2)" : "",
     327                 :          0 :                         val & AC97_MEA_PRG ? " PRG(HADC)" : "",
     328                 :          0 :                         val & AC97_MEA_PRH ? " PRH(HDAC)" : "");
     329         [ #  # ]:          0 :         if (mext & AC97_MEI_LINE1) {
     330                 :          0 :                 val = snd_ac97_read(ac97, AC97_LINE1_RATE);
     331                 :          0 :                 snd_iprintf(buffer, "Line1 rate       : %iHz\n", val);
     332                 :            :         }
     333         [ #  # ]:          0 :         if (mext & AC97_MEI_LINE2) {
     334                 :          0 :                 val = snd_ac97_read(ac97, AC97_LINE2_RATE);
     335                 :          0 :                 snd_iprintf(buffer, "Line2 rate       : %iHz\n", val);
     336                 :            :         }
     337         [ #  # ]:          0 :         if (mext & AC97_MEI_HANDSET) {
     338                 :          0 :                 val = snd_ac97_read(ac97, AC97_HANDSET_RATE);
     339                 :          0 :                 snd_iprintf(buffer, "Headset rate     : %iHz\n", val);
     340                 :            :         }
     341                 :            : }
     342                 :            : 
     343                 :          0 : static void snd_ac97_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
     344                 :            : {
     345                 :          1 :         struct snd_ac97 *ac97 = entry->private_data;
     346                 :            :         
     347                 :          1 :         mutex_lock(&ac97->page_mutex);
     348         [ -  + ]:          2 :         if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86
     349                 :            :                 int idx;
     350         [ #  # ]:          0 :                 for (idx = 0; idx < 3; idx++)
     351         [ #  # ]:          0 :                         if (ac97->spec.ad18xx.id[idx]) {
     352                 :            :                                 /* select single codec */
     353                 :          0 :                                 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
     354                 :          0 :                                                      ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]);
     355                 :          0 :                                 snd_ac97_proc_read_main(ac97, buffer, idx);
     356                 :          0 :                                 snd_iprintf(buffer, "\n\n");
     357                 :            :                         }
     358                 :            :                 /* select all codecs */
     359                 :          0 :                 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
     360                 :            :                 
     361                 :          0 :                 snd_iprintf(buffer, "\nAD18XX configuration\n");
     362                 :          0 :                 snd_iprintf(buffer, "Unchained        : 0x%04x,0x%04x,0x%04x\n",
     363                 :          0 :                         ac97->spec.ad18xx.unchained[0],
     364                 :          0 :                         ac97->spec.ad18xx.unchained[1],
     365                 :          0 :                         ac97->spec.ad18xx.unchained[2]);
     366                 :          0 :                 snd_iprintf(buffer, "Chained          : 0x%04x,0x%04x,0x%04x\n",
     367                 :          0 :                         ac97->spec.ad18xx.chained[0],
     368                 :          0 :                         ac97->spec.ad18xx.chained[1],
     369                 :          0 :                         ac97->spec.ad18xx.chained[2]);
     370                 :            :         } else {
     371                 :          1 :                 snd_ac97_proc_read_main(ac97, buffer, 0);
     372                 :            :         }
     373                 :          1 :         mutex_unlock(&ac97->page_mutex);
     374                 :          1 : }
     375                 :            : 
     376                 :            : #ifdef CONFIG_SND_DEBUG
     377                 :            : /* direct register write for debugging */
     378                 :            : static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
     379                 :            : {
     380                 :            :         struct snd_ac97 *ac97 = entry->private_data;
     381                 :            :         char line[64];
     382                 :            :         unsigned int reg, val;
     383                 :            :         mutex_lock(&ac97->page_mutex);
     384                 :            :         while (!snd_info_get_line(buffer, line, sizeof(line))) {
     385                 :            :                 if (sscanf(line, "%x %x", &reg, &val) != 2)
     386                 :            :                         continue;
     387                 :            :                 /* register must be even */
     388                 :            :                 if (reg < 0x80 && (reg & 1) == 0 && val <= 0xffff)
     389                 :            :                         snd_ac97_write_cache(ac97, reg, val);
     390                 :            :         }
     391                 :            :         mutex_unlock(&ac97->page_mutex);
     392                 :            : }
     393                 :            : #endif
     394                 :            : 
     395                 :          0 : static void snd_ac97_proc_regs_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx)
     396                 :            : {
     397                 :            :         int reg, val;
     398                 :            : 
     399         [ +  + ]:         65 :         for (reg = 0; reg < 0x80; reg += 2) {
     400                 :         64 :                 val = snd_ac97_read(ac97, reg);
     401                 :         64 :                 snd_iprintf(buffer, "%i:%02x = %04x\n", subidx, reg, val);
     402                 :            :         }
     403                 :          1 : }
     404                 :            : 
     405                 :          0 : static void snd_ac97_proc_regs_read(struct snd_info_entry *entry, 
     406                 :            :                                     struct snd_info_buffer *buffer)
     407                 :            : {
     408                 :          1 :         struct snd_ac97 *ac97 = entry->private_data;
     409                 :            : 
     410                 :          1 :         mutex_lock(&ac97->page_mutex);
     411         [ -  + ]:          2 :         if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86
     412                 :            : 
     413                 :            :                 int idx;
     414         [ #  # ]:          0 :                 for (idx = 0; idx < 3; idx++)
     415         [ #  # ]:          0 :                         if (ac97->spec.ad18xx.id[idx]) {
     416                 :            :                                 /* select single codec */
     417                 :          0 :                                 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
     418                 :          0 :                                                      ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]);
     419                 :          0 :                                 snd_ac97_proc_regs_read_main(ac97, buffer, idx);
     420                 :            :                         }
     421                 :            :                 /* select all codecs */
     422                 :          0 :                 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
     423                 :            :         } else {
     424                 :          1 :                 snd_ac97_proc_regs_read_main(ac97, buffer, 0);
     425                 :            :         }       
     426                 :          1 :         mutex_unlock(&ac97->page_mutex);
     427                 :          1 : }
     428                 :            : 
     429                 :          0 : void snd_ac97_proc_init(struct snd_ac97 * ac97)
     430                 :            : {
     431                 :            :         struct snd_info_entry *entry;
     432                 :            :         char name[32];
     433                 :            :         const char *prefix;
     434                 :            : 
     435         [ #  # ]:          0 :         if (ac97->bus->proc == NULL)
     436                 :          0 :                 return;
     437         [ #  # ]:          0 :         prefix = ac97_is_audio(ac97) ? "ac97" : "mc97";
     438                 :          0 :         sprintf(name, "%s#%d-%d", prefix, ac97->addr, ac97->num);
     439         [ #  # ]:          0 :         if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) {
     440                 :            :                 snd_info_set_text_ops(entry, ac97, snd_ac97_proc_read);
     441         [ #  # ]:          0 :                 if (snd_info_register(entry) < 0) {
     442                 :          0 :                         snd_info_free_entry(entry);
     443                 :            :                         entry = NULL;
     444                 :            :                 }
     445                 :            :         }
     446                 :          0 :         ac97->proc = entry;
     447                 :          0 :         sprintf(name, "%s#%d-%d+regs", prefix, ac97->addr, ac97->num);
     448         [ #  # ]:          0 :         if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) {
     449                 :            :                 snd_info_set_text_ops(entry, ac97, snd_ac97_proc_regs_read);
     450                 :            : #ifdef CONFIG_SND_DEBUG
     451                 :            :                 entry->mode |= S_IWUSR;
     452                 :            :                 entry->c.text.write = snd_ac97_proc_regs_write;
     453                 :            : #endif
     454         [ #  # ]:          0 :                 if (snd_info_register(entry) < 0) {
     455                 :          0 :                         snd_info_free_entry(entry);
     456                 :            :                         entry = NULL;
     457                 :            :                 }
     458                 :            :         }
     459                 :          0 :         ac97->proc_regs = entry;
     460                 :            : }
     461                 :            : 
     462                 :          0 : void snd_ac97_proc_done(struct snd_ac97 * ac97)
     463                 :            : {
     464                 :          0 :         snd_info_free_entry(ac97->proc_regs);
     465                 :          0 :         ac97->proc_regs = NULL;
     466                 :          0 :         snd_info_free_entry(ac97->proc);
     467                 :          0 :         ac97->proc = NULL;
     468                 :          0 : }
     469                 :            : 
     470                 :          0 : void snd_ac97_bus_proc_init(struct snd_ac97_bus * bus)
     471                 :            : {
     472                 :            :         struct snd_info_entry *entry;
     473                 :            :         char name[32];
     474                 :            : 
     475                 :          0 :         sprintf(name, "codec97#%d", bus->num);
     476         [ #  # ]:          0 :         if ((entry = snd_info_create_card_entry(bus->card, name, bus->card->proc_root)) != NULL) {
     477                 :          0 :                 entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
     478         [ #  # ]:          0 :                 if (snd_info_register(entry) < 0) {
     479                 :          0 :                         snd_info_free_entry(entry);
     480                 :            :                         entry = NULL;
     481                 :            :                 }
     482                 :            :         }
     483                 :          0 :         bus->proc = entry;
     484                 :          0 : }
     485                 :            : 
     486                 :          0 : void snd_ac97_bus_proc_done(struct snd_ac97_bus * bus)
     487                 :            : {
     488                 :          0 :         snd_info_free_entry(bus->proc);
     489                 :          0 :         bus->proc = NULL;
     490                 :          0 : }

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