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![Tejun Heo](/assets/img/avatar_default.png)
percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
490 lines
18 KiB
C
490 lines
18 KiB
C
/*
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* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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* Universal interface for Audio Codec '97
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*
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* For more details look to AC '97 component specification revision 2.2
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* by Intel Corporation (http://developer.intel.com).
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <linux/mutex.h>
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#include <sound/core.h>
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#include <sound/ac97_codec.h>
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#include <sound/asoundef.h>
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#include "ac97_local.h"
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#include "ac97_id.h"
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/*
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* proc interface
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*/
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static void snd_ac97_proc_read_functions(struct snd_ac97 *ac97, struct snd_info_buffer *buffer)
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{
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int header = 0, function;
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unsigned short info, sense_info;
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static const char *function_names[12] = {
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"Master Out", "AUX Out", "Center/LFE Out", "SPDIF Out",
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"Phone In", "Mic 1", "Mic 2", "Line In", "CD In", "Video In",
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"Aux In", "Mono Out"
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};
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static const char *locations[8] = {
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"Rear I/O Panel", "Front Panel", "Motherboard", "Dock/External",
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"reserved", "reserved", "reserved", "NC/unused"
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};
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for (function = 0; function < 12; ++function) {
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snd_ac97_write(ac97, AC97_FUNC_SELECT, function << 1);
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info = snd_ac97_read(ac97, AC97_FUNC_INFO);
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if (!(info & 0x0001))
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continue;
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if (!header) {
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snd_iprintf(buffer, "\n Gain Inverted Buffer delay Location\n");
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header = 1;
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}
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sense_info = snd_ac97_read(ac97, AC97_SENSE_INFO);
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snd_iprintf(buffer, "%-17s: %3d.%d dBV %c %2d/fs %s\n",
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function_names[function],
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(info & 0x8000 ? -1 : 1) * ((info & 0x7000) >> 12) * 3 / 2,
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((info & 0x0800) >> 11) * 5,
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info & 0x0400 ? 'X' : '-',
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(info & 0x03e0) >> 5,
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locations[sense_info >> 13]);
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}
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}
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static const char *snd_ac97_stereo_enhancements[] =
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{
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/* 0 */ "No 3D Stereo Enhancement",
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/* 1 */ "Analog Devices Phat Stereo",
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/* 2 */ "Creative Stereo Enhancement",
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/* 3 */ "National Semi 3D Stereo Enhancement",
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/* 4 */ "YAMAHA Ymersion",
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/* 5 */ "BBE 3D Stereo Enhancement",
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/* 6 */ "Crystal Semi 3D Stereo Enhancement",
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/* 7 */ "Qsound QXpander",
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/* 8 */ "Spatializer 3D Stereo Enhancement",
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/* 9 */ "SRS 3D Stereo Enhancement",
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/* 10 */ "Platform Tech 3D Stereo Enhancement",
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/* 11 */ "AKM 3D Audio",
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/* 12 */ "Aureal Stereo Enhancement",
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/* 13 */ "Aztech 3D Enhancement",
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/* 14 */ "Binaura 3D Audio Enhancement",
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/* 15 */ "ESS Technology Stereo Enhancement",
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/* 16 */ "Harman International VMAx",
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/* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
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/* 18 */ "Philips Incredible Sound",
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/* 19 */ "Texas Instruments 3D Stereo Enhancement",
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/* 20 */ "VLSI Technology 3D Stereo Enhancement",
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/* 21 */ "TriTech 3D Stereo Enhancement",
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/* 22 */ "Realtek 3D Stereo Enhancement",
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/* 23 */ "Samsung 3D Stereo Enhancement",
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/* 24 */ "Wolfson Microelectronics 3D Enhancement",
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/* 25 */ "Delta Integration 3D Enhancement",
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/* 26 */ "SigmaTel 3D Enhancement",
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/* 27 */ "IC Ensemble/KS Waves",
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/* 28 */ "Rockwell 3D Stereo Enhancement",
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/* 29 */ "Reserved 29",
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/* 30 */ "Reserved 30",
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/* 31 */ "Reserved 31"
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};
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static void snd_ac97_proc_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx)
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{
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char name[64];
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unsigned short val, tmp, ext, mext;
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static const char *spdif_slots[4] = { " SPDIF=3/4", " SPDIF=7/8", " SPDIF=6/9", " SPDIF=10/11" };
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static const char *spdif_rates[4] = { " Rate=44.1kHz", " Rate=res", " Rate=48kHz", " Rate=32kHz" };
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static const char *spdif_rates_cs4205[4] = { " Rate=48kHz", " Rate=44.1kHz", " Rate=res", " Rate=res" };
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static const char *double_rate_slots[4] = { "10/11", "7/8", "reserved", "reserved" };
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snd_ac97_get_name(NULL, ac97->id, name, 0);
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snd_iprintf(buffer, "%d-%d/%d: %s\n\n", ac97->addr, ac97->num, subidx, name);
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if ((ac97->scaps & AC97_SCAP_AUDIO) == 0)
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goto __modem;
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snd_iprintf(buffer, "PCI Subsys Vendor: 0x%04x\n",
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ac97->subsystem_vendor);
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snd_iprintf(buffer, "PCI Subsys Device: 0x%04x\n\n",
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ac97->subsystem_device);
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snd_iprintf(buffer, "Flags: %x\n", ac97->flags);
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if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) {
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val = snd_ac97_read(ac97, AC97_INT_PAGING);
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snd_ac97_update_bits(ac97, AC97_INT_PAGING,
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AC97_PAGE_MASK, AC97_PAGE_1);
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tmp = snd_ac97_read(ac97, AC97_CODEC_CLASS_REV);
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snd_iprintf(buffer, "Revision : 0x%02x\n", tmp & 0xff);
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snd_iprintf(buffer, "Compat. Class : 0x%02x\n", (tmp >> 8) & 0x1f);
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snd_iprintf(buffer, "Subsys. Vendor ID: 0x%04x\n",
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snd_ac97_read(ac97, AC97_PCI_SVID));
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snd_iprintf(buffer, "Subsys. ID : 0x%04x\n\n",
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snd_ac97_read(ac97, AC97_PCI_SID));
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snd_ac97_update_bits(ac97, AC97_INT_PAGING,
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AC97_PAGE_MASK, val & AC97_PAGE_MASK);
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}
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// val = snd_ac97_read(ac97, AC97_RESET);
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val = ac97->caps;
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snd_iprintf(buffer, "Capabilities :%s%s%s%s%s%s\n",
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val & AC97_BC_DEDICATED_MIC ? " -dedicated MIC PCM IN channel-" : "",
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val & AC97_BC_RESERVED1 ? " -reserved1-" : "",
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val & AC97_BC_BASS_TREBLE ? " -bass & treble-" : "",
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val & AC97_BC_SIM_STEREO ? " -simulated stereo-" : "",
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val & AC97_BC_HEADPHONE ? " -headphone out-" : "",
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val & AC97_BC_LOUDNESS ? " -loudness-" : "");
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tmp = ac97->caps & AC97_BC_DAC_MASK;
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snd_iprintf(buffer, "DAC resolution : %s%s%s%s\n",
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tmp == AC97_BC_16BIT_DAC ? "16-bit" : "",
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tmp == AC97_BC_18BIT_DAC ? "18-bit" : "",
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tmp == AC97_BC_20BIT_DAC ? "20-bit" : "",
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tmp == AC97_BC_DAC_MASK ? "???" : "");
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tmp = ac97->caps & AC97_BC_ADC_MASK;
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snd_iprintf(buffer, "ADC resolution : %s%s%s%s\n",
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tmp == AC97_BC_16BIT_ADC ? "16-bit" : "",
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tmp == AC97_BC_18BIT_ADC ? "18-bit" : "",
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tmp == AC97_BC_20BIT_ADC ? "20-bit" : "",
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tmp == AC97_BC_ADC_MASK ? "???" : "");
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snd_iprintf(buffer, "3D enhancement : %s\n",
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snd_ac97_stereo_enhancements[(val >> 10) & 0x1f]);
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snd_iprintf(buffer, "\nCurrent setup\n");
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val = snd_ac97_read(ac97, AC97_MIC);
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snd_iprintf(buffer, "Mic gain : %s [%s]\n", val & 0x0040 ? "+20dB" : "+0dB", ac97->regs[AC97_MIC] & 0x0040 ? "+20dB" : "+0dB");
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val = snd_ac97_read(ac97, AC97_GENERAL_PURPOSE);
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snd_iprintf(buffer, "POP path : %s 3D\n"
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"Sim. stereo : %s\n"
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"3D enhancement : %s\n"
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"Loudness : %s\n"
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"Mono output : %s\n"
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"Mic select : %s\n"
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"ADC/DAC loopback : %s\n",
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val & 0x8000 ? "post" : "pre",
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val & 0x4000 ? "on" : "off",
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val & 0x2000 ? "on" : "off",
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val & 0x1000 ? "on" : "off",
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val & 0x0200 ? "Mic" : "MIX",
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val & 0x0100 ? "Mic2" : "Mic1",
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val & 0x0080 ? "on" : "off");
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if (ac97->ext_id & AC97_EI_DRA)
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snd_iprintf(buffer, "Double rate slots: %s\n",
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double_rate_slots[(val >> 10) & 3]);
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ext = snd_ac97_read(ac97, AC97_EXTENDED_ID);
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if (ext == 0)
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goto __modem;
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snd_iprintf(buffer, "Extended ID : codec=%i rev=%i%s%s%s%s DSA=%i%s%s%s%s\n",
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(ext & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT,
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(ext & AC97_EI_REV_MASK) >> AC97_EI_REV_SHIFT,
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ext & AC97_EI_AMAP ? " AMAP" : "",
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ext & AC97_EI_LDAC ? " LDAC" : "",
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ext & AC97_EI_SDAC ? " SDAC" : "",
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ext & AC97_EI_CDAC ? " CDAC" : "",
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(ext & AC97_EI_DACS_SLOT_MASK) >> AC97_EI_DACS_SLOT_SHIFT,
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ext & AC97_EI_VRM ? " VRM" : "",
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ext & AC97_EI_SPDIF ? " SPDIF" : "",
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ext & AC97_EI_DRA ? " DRA" : "",
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ext & AC97_EI_VRA ? " VRA" : "");
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val = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
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snd_iprintf(buffer, "Extended status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
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val & AC97_EA_PRL ? " PRL" : "",
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val & AC97_EA_PRK ? " PRK" : "",
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val & AC97_EA_PRJ ? " PRJ" : "",
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val & AC97_EA_PRI ? " PRI" : "",
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val & AC97_EA_SPCV ? " SPCV" : "",
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val & AC97_EA_MDAC ? " MADC" : "",
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val & AC97_EA_LDAC ? " LDAC" : "",
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val & AC97_EA_SDAC ? " SDAC" : "",
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val & AC97_EA_CDAC ? " CDAC" : "",
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ext & AC97_EI_SPDIF ? spdif_slots[(val & AC97_EA_SPSA_SLOT_MASK) >> AC97_EA_SPSA_SLOT_SHIFT] : "",
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val & AC97_EA_VRM ? " VRM" : "",
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val & AC97_EA_SPDIF ? " SPDIF" : "",
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val & AC97_EA_DRA ? " DRA" : "",
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val & AC97_EA_VRA ? " VRA" : "");
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if (ext & AC97_EI_VRA) { /* VRA */
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val = snd_ac97_read(ac97, AC97_PCM_FRONT_DAC_RATE);
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snd_iprintf(buffer, "PCM front DAC : %iHz\n", val);
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if (ext & AC97_EI_SDAC) {
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val = snd_ac97_read(ac97, AC97_PCM_SURR_DAC_RATE);
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snd_iprintf(buffer, "PCM Surr DAC : %iHz\n", val);
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}
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if (ext & AC97_EI_LDAC) {
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val = snd_ac97_read(ac97, AC97_PCM_LFE_DAC_RATE);
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snd_iprintf(buffer, "PCM LFE DAC : %iHz\n", val);
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}
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val = snd_ac97_read(ac97, AC97_PCM_LR_ADC_RATE);
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snd_iprintf(buffer, "PCM ADC : %iHz\n", val);
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}
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if (ext & AC97_EI_VRM) {
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val = snd_ac97_read(ac97, AC97_PCM_MIC_ADC_RATE);
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snd_iprintf(buffer, "PCM MIC ADC : %iHz\n", val);
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}
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if ((ext & AC97_EI_SPDIF) || (ac97->flags & AC97_CS_SPDIF) ||
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(ac97->id == AC97_ID_YMF743)) {
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if (ac97->flags & AC97_CS_SPDIF)
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val = snd_ac97_read(ac97, AC97_CSR_SPDIF);
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else if (ac97->id == AC97_ID_YMF743) {
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val = snd_ac97_read(ac97, AC97_YMF7X3_DIT_CTRL);
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val = 0x2000 | (val & 0xff00) >> 4 | (val & 0x38) >> 2;
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} else
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val = snd_ac97_read(ac97, AC97_SPDIF);
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snd_iprintf(buffer, "SPDIF Control :%s%s%s%s Category=0x%x Generation=%i%s%s%s\n",
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val & AC97_SC_PRO ? " PRO" : " Consumer",
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val & AC97_SC_NAUDIO ? " Non-audio" : " PCM",
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val & AC97_SC_COPY ? "" : " Copyright",
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val & AC97_SC_PRE ? " Preemph50/15" : "",
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(val & AC97_SC_CC_MASK) >> AC97_SC_CC_SHIFT,
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(val & AC97_SC_L) >> 11,
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(ac97->flags & AC97_CS_SPDIF) ?
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spdif_rates_cs4205[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT] :
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spdif_rates[(val & AC97_SC_SPSR_MASK) >> AC97_SC_SPSR_SHIFT],
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(ac97->flags & AC97_CS_SPDIF) ?
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(val & AC97_SC_DRS ? " Validity" : "") :
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(val & AC97_SC_DRS ? " DRS" : ""),
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(ac97->flags & AC97_CS_SPDIF) ?
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(val & AC97_SC_V ? " Enabled" : "") :
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(val & AC97_SC_V ? " Validity" : ""));
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/* ALC650 specific*/
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if ((ac97->id & 0xfffffff0) == 0x414c4720 &&
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(snd_ac97_read(ac97, AC97_ALC650_CLOCK) & 0x01)) {
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val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2);
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if (val & AC97_ALC650_CLOCK_LOCK) {
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val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS1);
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snd_iprintf(buffer, "SPDIF In Status :%s%s%s%s Category=0x%x Generation=%i",
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val & AC97_ALC650_PRO ? " PRO" : " Consumer",
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val & AC97_ALC650_NAUDIO ? " Non-audio" : " PCM",
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val & AC97_ALC650_COPY ? "" : " Copyright",
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val & AC97_ALC650_PRE ? " Preemph50/15" : "",
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(val & AC97_ALC650_CC_MASK) >> AC97_ALC650_CC_SHIFT,
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(val & AC97_ALC650_L) >> 15);
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val = snd_ac97_read(ac97, AC97_ALC650_SPDIF_INPUT_STATUS2);
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snd_iprintf(buffer, "%s Accuracy=%i%s%s\n",
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spdif_rates[(val & AC97_ALC650_SPSR_MASK) >> AC97_ALC650_SPSR_SHIFT],
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(val & AC97_ALC650_CLOCK_ACCURACY) >> AC97_ALC650_CLOCK_SHIFT,
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(val & AC97_ALC650_CLOCK_LOCK ? " Locked" : " Unlocked"),
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(val & AC97_ALC650_V ? " Validity?" : ""));
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} else {
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snd_iprintf(buffer, "SPDIF In Status : Not Locked\n");
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}
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}
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}
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if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) {
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val = snd_ac97_read(ac97, AC97_INT_PAGING);
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snd_ac97_update_bits(ac97, AC97_INT_PAGING,
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AC97_PAGE_MASK, AC97_PAGE_1);
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snd_ac97_proc_read_functions(ac97, buffer);
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snd_ac97_update_bits(ac97, AC97_INT_PAGING,
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AC97_PAGE_MASK, val & AC97_PAGE_MASK);
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}
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__modem:
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mext = snd_ac97_read(ac97, AC97_EXTENDED_MID);
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if (mext == 0)
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return;
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snd_iprintf(buffer, "Extended modem ID: codec=%i%s%s%s%s%s\n",
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(mext & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT,
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mext & AC97_MEI_CID2 ? " CID2" : "",
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mext & AC97_MEI_CID1 ? " CID1" : "",
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mext & AC97_MEI_HANDSET ? " HSET" : "",
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mext & AC97_MEI_LINE2 ? " LIN2" : "",
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mext & AC97_MEI_LINE1 ? " LIN1" : "");
|
|
val = snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS);
|
|
snd_iprintf(buffer, "Modem status :%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
|
|
val & AC97_MEA_GPIO ? " GPIO" : "",
|
|
val & AC97_MEA_MREF ? " MREF" : "",
|
|
val & AC97_MEA_ADC1 ? " ADC1" : "",
|
|
val & AC97_MEA_DAC1 ? " DAC1" : "",
|
|
val & AC97_MEA_ADC2 ? " ADC2" : "",
|
|
val & AC97_MEA_DAC2 ? " DAC2" : "",
|
|
val & AC97_MEA_HADC ? " HADC" : "",
|
|
val & AC97_MEA_HDAC ? " HDAC" : "",
|
|
val & AC97_MEA_PRA ? " PRA(GPIO)" : "",
|
|
val & AC97_MEA_PRB ? " PRB(res)" : "",
|
|
val & AC97_MEA_PRC ? " PRC(ADC1)" : "",
|
|
val & AC97_MEA_PRD ? " PRD(DAC1)" : "",
|
|
val & AC97_MEA_PRE ? " PRE(ADC2)" : "",
|
|
val & AC97_MEA_PRF ? " PRF(DAC2)" : "",
|
|
val & AC97_MEA_PRG ? " PRG(HADC)" : "",
|
|
val & AC97_MEA_PRH ? " PRH(HDAC)" : "");
|
|
if (mext & AC97_MEI_LINE1) {
|
|
val = snd_ac97_read(ac97, AC97_LINE1_RATE);
|
|
snd_iprintf(buffer, "Line1 rate : %iHz\n", val);
|
|
}
|
|
if (mext & AC97_MEI_LINE2) {
|
|
val = snd_ac97_read(ac97, AC97_LINE2_RATE);
|
|
snd_iprintf(buffer, "Line2 rate : %iHz\n", val);
|
|
}
|
|
if (mext & AC97_MEI_HANDSET) {
|
|
val = snd_ac97_read(ac97, AC97_HANDSET_RATE);
|
|
snd_iprintf(buffer, "Headset rate : %iHz\n", val);
|
|
}
|
|
}
|
|
|
|
static void snd_ac97_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
|
|
{
|
|
struct snd_ac97 *ac97 = entry->private_data;
|
|
|
|
mutex_lock(&ac97->page_mutex);
|
|
if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86
|
|
int idx;
|
|
for (idx = 0; idx < 3; idx++)
|
|
if (ac97->spec.ad18xx.id[idx]) {
|
|
/* select single codec */
|
|
snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
|
|
ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]);
|
|
snd_ac97_proc_read_main(ac97, buffer, idx);
|
|
snd_iprintf(buffer, "\n\n");
|
|
}
|
|
/* select all codecs */
|
|
snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
|
|
|
|
snd_iprintf(buffer, "\nAD18XX configuration\n");
|
|
snd_iprintf(buffer, "Unchained : 0x%04x,0x%04x,0x%04x\n",
|
|
ac97->spec.ad18xx.unchained[0],
|
|
ac97->spec.ad18xx.unchained[1],
|
|
ac97->spec.ad18xx.unchained[2]);
|
|
snd_iprintf(buffer, "Chained : 0x%04x,0x%04x,0x%04x\n",
|
|
ac97->spec.ad18xx.chained[0],
|
|
ac97->spec.ad18xx.chained[1],
|
|
ac97->spec.ad18xx.chained[2]);
|
|
} else {
|
|
snd_ac97_proc_read_main(ac97, buffer, 0);
|
|
}
|
|
mutex_unlock(&ac97->page_mutex);
|
|
}
|
|
|
|
#ifdef CONFIG_SND_DEBUG
|
|
/* direct register write for debugging */
|
|
static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
|
|
{
|
|
struct snd_ac97 *ac97 = entry->private_data;
|
|
char line[64];
|
|
unsigned int reg, val;
|
|
mutex_lock(&ac97->page_mutex);
|
|
while (!snd_info_get_line(buffer, line, sizeof(line))) {
|
|
if (sscanf(line, "%x %x", ®, &val) != 2)
|
|
continue;
|
|
/* register must be even */
|
|
if (reg < 0x80 && (reg & 1) == 0 && val <= 0xffff)
|
|
snd_ac97_write_cache(ac97, reg, val);
|
|
}
|
|
mutex_unlock(&ac97->page_mutex);
|
|
}
|
|
#endif
|
|
|
|
static void snd_ac97_proc_regs_read_main(struct snd_ac97 *ac97, struct snd_info_buffer *buffer, int subidx)
|
|
{
|
|
int reg, val;
|
|
|
|
for (reg = 0; reg < 0x80; reg += 2) {
|
|
val = snd_ac97_read(ac97, reg);
|
|
snd_iprintf(buffer, "%i:%02x = %04x\n", subidx, reg, val);
|
|
}
|
|
}
|
|
|
|
static void snd_ac97_proc_regs_read(struct snd_info_entry *entry,
|
|
struct snd_info_buffer *buffer)
|
|
{
|
|
struct snd_ac97 *ac97 = entry->private_data;
|
|
|
|
mutex_lock(&ac97->page_mutex);
|
|
if ((ac97->id & 0xffffff40) == AC97_ID_AD1881) { // Analog Devices AD1881/85/86
|
|
|
|
int idx;
|
|
for (idx = 0; idx < 3; idx++)
|
|
if (ac97->spec.ad18xx.id[idx]) {
|
|
/* select single codec */
|
|
snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
|
|
ac97->spec.ad18xx.unchained[idx] | ac97->spec.ad18xx.chained[idx]);
|
|
snd_ac97_proc_regs_read_main(ac97, buffer, idx);
|
|
}
|
|
/* select all codecs */
|
|
snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
|
|
} else {
|
|
snd_ac97_proc_regs_read_main(ac97, buffer, 0);
|
|
}
|
|
mutex_unlock(&ac97->page_mutex);
|
|
}
|
|
|
|
void snd_ac97_proc_init(struct snd_ac97 * ac97)
|
|
{
|
|
struct snd_info_entry *entry;
|
|
char name[32];
|
|
const char *prefix;
|
|
|
|
if (ac97->bus->proc == NULL)
|
|
return;
|
|
prefix = ac97_is_audio(ac97) ? "ac97" : "mc97";
|
|
sprintf(name, "%s#%d-%d", prefix, ac97->addr, ac97->num);
|
|
if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) {
|
|
snd_info_set_text_ops(entry, ac97, snd_ac97_proc_read);
|
|
if (snd_info_register(entry) < 0) {
|
|
snd_info_free_entry(entry);
|
|
entry = NULL;
|
|
}
|
|
}
|
|
ac97->proc = entry;
|
|
sprintf(name, "%s#%d-%d+regs", prefix, ac97->addr, ac97->num);
|
|
if ((entry = snd_info_create_card_entry(ac97->bus->card, name, ac97->bus->proc)) != NULL) {
|
|
snd_info_set_text_ops(entry, ac97, snd_ac97_proc_regs_read);
|
|
#ifdef CONFIG_SND_DEBUG
|
|
entry->mode |= S_IWUSR;
|
|
entry->c.text.write = snd_ac97_proc_regs_write;
|
|
#endif
|
|
if (snd_info_register(entry) < 0) {
|
|
snd_info_free_entry(entry);
|
|
entry = NULL;
|
|
}
|
|
}
|
|
ac97->proc_regs = entry;
|
|
}
|
|
|
|
void snd_ac97_proc_done(struct snd_ac97 * ac97)
|
|
{
|
|
snd_info_free_entry(ac97->proc_regs);
|
|
ac97->proc_regs = NULL;
|
|
snd_info_free_entry(ac97->proc);
|
|
ac97->proc = NULL;
|
|
}
|
|
|
|
void snd_ac97_bus_proc_init(struct snd_ac97_bus * bus)
|
|
{
|
|
struct snd_info_entry *entry;
|
|
char name[32];
|
|
|
|
sprintf(name, "codec97#%d", bus->num);
|
|
if ((entry = snd_info_create_card_entry(bus->card, name, bus->card->proc_root)) != NULL) {
|
|
entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
|
|
if (snd_info_register(entry) < 0) {
|
|
snd_info_free_entry(entry);
|
|
entry = NULL;
|
|
}
|
|
}
|
|
bus->proc = entry;
|
|
}
|
|
|
|
void snd_ac97_bus_proc_done(struct snd_ac97_bus * bus)
|
|
{
|
|
snd_info_free_entry(bus->proc);
|
|
bus->proc = NULL;
|
|
}
|