mirror of https://gitee.com/openkylin/linux.git
1644 lines
48 KiB
C
1644 lines
48 KiB
C
/*
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* Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
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* Driver EMU10K1X chips
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*
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* Parts of this code were adapted from audigyls.c driver which is
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* Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
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*
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* BUGS:
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* --
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*
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* TODO:
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*
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* Chips (SB0200 model):
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* - EMU10K1X-DBQ
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* - STAC 9708T
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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/init.h>
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#include <linux/interrupt.h>
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#include <linux/pci.h>
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#include <linux/dma-mapping.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <sound/core.h>
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#include <sound/initval.h>
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#include <sound/pcm.h>
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#include <sound/ac97_codec.h>
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#include <sound/info.h>
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#include <sound/rawmidi.h>
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MODULE_AUTHOR("Francisco Moraes <fmoraes@nc.rr.com>");
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MODULE_DESCRIPTION("EMU10K1X");
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MODULE_LICENSE("GPL");
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MODULE_SUPPORTED_DEVICE("{{Dell Creative Labs,SB Live!}");
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// module parameters (see "Module Parameters")
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
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static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "Index value for the EMU10K1X soundcard.");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string for the EMU10K1X soundcard.");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable the EMU10K1X soundcard.");
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// some definitions were borrowed from emu10k1 driver as they seem to be the same
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/************************************************************************************************/
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/* PCI function 0 registers, address = <val> + PCIBASE0 */
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/************************************************************************************************/
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#define PTR 0x00 /* Indexed register set pointer register */
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/* NOTE: The CHANNELNUM and ADDRESS words can */
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/* be modified independently of each other. */
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#define DATA 0x04 /* Indexed register set data register */
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#define IPR 0x08 /* Global interrupt pending register */
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/* Clear pending interrupts by writing a 1 to */
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/* the relevant bits and zero to the other bits */
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#define IPR_MIDITRANSBUFEMPTY 0x00000001 /* MIDI UART transmit buffer empty */
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#define IPR_MIDIRECVBUFEMPTY 0x00000002 /* MIDI UART receive buffer empty */
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#define IPR_CH_0_LOOP 0x00000800 /* Channel 0 loop */
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#define IPR_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */
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#define IPR_CAP_0_LOOP 0x00080000 /* Channel capture loop */
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#define IPR_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */
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#define INTE 0x0c /* Interrupt enable register */
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#define INTE_MIDITXENABLE 0x00000001 /* Enable MIDI transmit-buffer-empty interrupts */
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#define INTE_MIDIRXENABLE 0x00000002 /* Enable MIDI receive-buffer-empty interrupts */
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#define INTE_CH_0_LOOP 0x00000800 /* Channel 0 loop */
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#define INTE_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */
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#define INTE_CAP_0_LOOP 0x00080000 /* Channel capture loop */
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#define INTE_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */
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#define HCFG 0x14 /* Hardware config register */
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#define HCFG_LOCKSOUNDCACHE 0x00000008 /* 1 = Cancel bustmaster accesses to soundcache */
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/* NOTE: This should generally never be used. */
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#define HCFG_AUDIOENABLE 0x00000001 /* 0 = CODECs transmit zero-valued samples */
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/* Should be set to 1 when the EMU10K1 is */
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/* completely initialized. */
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#define GPIO 0x18 /* Defaults: 00001080-Analog, 00001000-SPDIF. */
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#define AC97DATA 0x1c /* AC97 register set data register (16 bit) */
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#define AC97ADDRESS 0x1e /* AC97 register set address register (8 bit) */
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/********************************************************************************************************/
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/* Emu10k1x pointer-offset register set, accessed through the PTR and DATA registers */
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/********************************************************************************************************/
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#define PLAYBACK_LIST_ADDR 0x00 /* Base DMA address of a list of pointers to each period/size */
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/* One list entry: 4 bytes for DMA address,
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* 4 bytes for period_size << 16.
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* One list entry is 8 bytes long.
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* One list entry for each period in the buffer.
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*/
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#define PLAYBACK_LIST_SIZE 0x01 /* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000 */
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#define PLAYBACK_LIST_PTR 0x02 /* Pointer to the current period being played */
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#define PLAYBACK_DMA_ADDR 0x04 /* Playback DMA address */
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#define PLAYBACK_PERIOD_SIZE 0x05 /* Playback period size */
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#define PLAYBACK_POINTER 0x06 /* Playback period pointer. Sample currently in DAC */
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#define PLAYBACK_UNKNOWN1 0x07
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#define PLAYBACK_UNKNOWN2 0x08
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/* Only one capture channel supported */
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#define CAPTURE_DMA_ADDR 0x10 /* Capture DMA address */
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#define CAPTURE_BUFFER_SIZE 0x11 /* Capture buffer size */
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#define CAPTURE_POINTER 0x12 /* Capture buffer pointer. Sample currently in ADC */
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#define CAPTURE_UNKNOWN 0x13
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/* From 0x20 - 0x3f, last samples played on each channel */
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#define TRIGGER_CHANNEL 0x40 /* Trigger channel playback */
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#define TRIGGER_CHANNEL_0 0x00000001 /* Trigger channel 0 */
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#define TRIGGER_CHANNEL_1 0x00000002 /* Trigger channel 1 */
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#define TRIGGER_CHANNEL_2 0x00000004 /* Trigger channel 2 */
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#define TRIGGER_CAPTURE 0x00000100 /* Trigger capture channel */
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#define ROUTING 0x41 /* Setup sound routing ? */
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#define ROUTING_FRONT_LEFT 0x00000001
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#define ROUTING_FRONT_RIGHT 0x00000002
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#define ROUTING_REAR_LEFT 0x00000004
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#define ROUTING_REAR_RIGHT 0x00000008
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#define ROUTING_CENTER_LFE 0x00010000
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#define SPCS0 0x42 /* SPDIF output Channel Status 0 register */
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#define SPCS1 0x43 /* SPDIF output Channel Status 1 register */
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#define SPCS2 0x44 /* SPDIF output Channel Status 2 register */
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#define SPCS_CLKACCYMASK 0x30000000 /* Clock accuracy */
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#define SPCS_CLKACCY_1000PPM 0x00000000 /* 1000 parts per million */
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#define SPCS_CLKACCY_50PPM 0x10000000 /* 50 parts per million */
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#define SPCS_CLKACCY_VARIABLE 0x20000000 /* Variable accuracy */
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#define SPCS_SAMPLERATEMASK 0x0f000000 /* Sample rate */
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#define SPCS_SAMPLERATE_44 0x00000000 /* 44.1kHz sample rate */
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#define SPCS_SAMPLERATE_48 0x02000000 /* 48kHz sample rate */
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#define SPCS_SAMPLERATE_32 0x03000000 /* 32kHz sample rate */
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#define SPCS_CHANNELNUMMASK 0x00f00000 /* Channel number */
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#define SPCS_CHANNELNUM_UNSPEC 0x00000000 /* Unspecified channel number */
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#define SPCS_CHANNELNUM_LEFT 0x00100000 /* Left channel */
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#define SPCS_CHANNELNUM_RIGHT 0x00200000 /* Right channel */
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#define SPCS_SOURCENUMMASK 0x000f0000 /* Source number */
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#define SPCS_SOURCENUM_UNSPEC 0x00000000 /* Unspecified source number */
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#define SPCS_GENERATIONSTATUS 0x00008000 /* Originality flag (see IEC-958 spec) */
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#define SPCS_CATEGORYCODEMASK 0x00007f00 /* Category code (see IEC-958 spec) */
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#define SPCS_MODEMASK 0x000000c0 /* Mode (see IEC-958 spec) */
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#define SPCS_EMPHASISMASK 0x00000038 /* Emphasis */
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#define SPCS_EMPHASIS_NONE 0x00000000 /* No emphasis */
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#define SPCS_EMPHASIS_50_15 0x00000008 /* 50/15 usec 2 channel */
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#define SPCS_COPYRIGHT 0x00000004 /* Copyright asserted flag -- do not modify */
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#define SPCS_NOTAUDIODATA 0x00000002 /* 0 = Digital audio, 1 = not audio */
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#define SPCS_PROFESSIONAL 0x00000001 /* 0 = Consumer (IEC-958), 1 = pro (AES3-1992) */
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#define SPDIF_SELECT 0x45 /* Enables SPDIF or Analogue outputs 0-Analogue, 0x700-SPDIF */
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/* This is the MPU port on the card */
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#define MUDATA 0x47
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#define MUCMD 0x48
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#define MUSTAT MUCMD
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/* From 0x50 - 0x5f, last samples captured */
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/**
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* The hardware has 3 channels for playback and 1 for capture.
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* - channel 0 is the front channel
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* - channel 1 is the rear channel
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* - channel 2 is the center/lfe channel
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* Volume is controlled by the AC97 for the front and rear channels by
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* the PCM Playback Volume, Sigmatel Surround Playback Volume and
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* Surround Playback Volume. The Sigmatel 4-Speaker Stereo switch affects
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* the front/rear channel mixing in the REAR OUT jack. When using the
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* 4-Speaker Stereo, both front and rear channels will be mixed in the
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* REAR OUT.
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* The center/lfe channel has no volume control and cannot be muted during
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* playback.
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*/
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struct emu10k1x_voice {
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struct emu10k1x *emu;
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int number;
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int use;
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struct emu10k1x_pcm *epcm;
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};
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struct emu10k1x_pcm {
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struct emu10k1x *emu;
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struct snd_pcm_substream *substream;
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struct emu10k1x_voice *voice;
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unsigned short running;
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};
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struct emu10k1x_midi {
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struct emu10k1x *emu;
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struct snd_rawmidi *rmidi;
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struct snd_rawmidi_substream *substream_input;
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struct snd_rawmidi_substream *substream_output;
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unsigned int midi_mode;
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spinlock_t input_lock;
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spinlock_t output_lock;
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spinlock_t open_lock;
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int tx_enable, rx_enable;
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int port;
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int ipr_tx, ipr_rx;
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void (*interrupt)(struct emu10k1x *emu, unsigned int status);
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};
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// definition of the chip-specific record
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struct emu10k1x {
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struct snd_card *card;
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struct pci_dev *pci;
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unsigned long port;
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struct resource *res_port;
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int irq;
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unsigned char revision; /* chip revision */
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unsigned int serial; /* serial number */
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unsigned short model; /* subsystem id */
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spinlock_t emu_lock;
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spinlock_t voice_lock;
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struct snd_ac97 *ac97;
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struct snd_pcm *pcm;
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struct emu10k1x_voice voices[3];
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struct emu10k1x_voice capture_voice;
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u32 spdif_bits[3]; // SPDIF out setup
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struct snd_dma_buffer dma_buffer;
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struct emu10k1x_midi midi;
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};
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/* hardware definition */
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static struct snd_pcm_hardware snd_emu10k1x_playback_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID),
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = (32*1024),
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.period_bytes_min = 64,
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.period_bytes_max = (16*1024),
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.periods_min = 2,
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.periods_max = 8,
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.fifo_size = 0,
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};
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static struct snd_pcm_hardware snd_emu10k1x_capture_hw = {
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID),
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = (32*1024),
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.period_bytes_min = 64,
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.period_bytes_max = (16*1024),
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.periods_min = 2,
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.periods_max = 2,
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.fifo_size = 0,
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};
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static unsigned int snd_emu10k1x_ptr_read(struct emu10k1x * emu,
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unsigned int reg,
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unsigned int chn)
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{
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unsigned long flags;
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unsigned int regptr, val;
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regptr = (reg << 16) | chn;
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spin_lock_irqsave(&emu->emu_lock, flags);
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outl(regptr, emu->port + PTR);
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val = inl(emu->port + DATA);
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spin_unlock_irqrestore(&emu->emu_lock, flags);
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return val;
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}
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static void snd_emu10k1x_ptr_write(struct emu10k1x *emu,
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unsigned int reg,
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unsigned int chn,
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unsigned int data)
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{
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unsigned int regptr;
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unsigned long flags;
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regptr = (reg << 16) | chn;
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spin_lock_irqsave(&emu->emu_lock, flags);
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outl(regptr, emu->port + PTR);
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outl(data, emu->port + DATA);
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spin_unlock_irqrestore(&emu->emu_lock, flags);
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}
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static void snd_emu10k1x_intr_enable(struct emu10k1x *emu, unsigned int intrenb)
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{
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unsigned long flags;
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unsigned int intr_enable;
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spin_lock_irqsave(&emu->emu_lock, flags);
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intr_enable = inl(emu->port + INTE) | intrenb;
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outl(intr_enable, emu->port + INTE);
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spin_unlock_irqrestore(&emu->emu_lock, flags);
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}
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static void snd_emu10k1x_intr_disable(struct emu10k1x *emu, unsigned int intrenb)
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{
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unsigned long flags;
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unsigned int intr_enable;
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spin_lock_irqsave(&emu->emu_lock, flags);
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intr_enable = inl(emu->port + INTE) & ~intrenb;
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outl(intr_enable, emu->port + INTE);
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spin_unlock_irqrestore(&emu->emu_lock, flags);
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}
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static void snd_emu10k1x_gpio_write(struct emu10k1x *emu, unsigned int value)
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{
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unsigned long flags;
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spin_lock_irqsave(&emu->emu_lock, flags);
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outl(value, emu->port + GPIO);
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spin_unlock_irqrestore(&emu->emu_lock, flags);
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}
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static void snd_emu10k1x_pcm_free_substream(struct snd_pcm_runtime *runtime)
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{
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kfree(runtime->private_data);
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}
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static void snd_emu10k1x_pcm_interrupt(struct emu10k1x *emu, struct emu10k1x_voice *voice)
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{
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struct emu10k1x_pcm *epcm;
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if ((epcm = voice->epcm) == NULL)
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return;
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if (epcm->substream == NULL)
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return;
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#if 0
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snd_printk(KERN_INFO "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
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epcm->substream->ops->pointer(epcm->substream),
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snd_pcm_lib_period_bytes(epcm->substream),
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snd_pcm_lib_buffer_bytes(epcm->substream));
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#endif
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snd_pcm_period_elapsed(epcm->substream);
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}
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/* open callback */
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static int snd_emu10k1x_playback_open(struct snd_pcm_substream *substream)
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{
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struct emu10k1x *chip = snd_pcm_substream_chip(substream);
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struct emu10k1x_pcm *epcm;
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struct snd_pcm_runtime *runtime = substream->runtime;
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int err;
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if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
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return err;
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}
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if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)
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return err;
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epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
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if (epcm == NULL)
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return -ENOMEM;
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epcm->emu = chip;
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epcm->substream = substream;
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runtime->private_data = epcm;
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runtime->private_free = snd_emu10k1x_pcm_free_substream;
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runtime->hw = snd_emu10k1x_playback_hw;
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return 0;
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}
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/* close callback */
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static int snd_emu10k1x_playback_close(struct snd_pcm_substream *substream)
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{
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return 0;
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}
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/* hw_params callback */
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static int snd_emu10k1x_pcm_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *hw_params)
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{
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct emu10k1x_pcm *epcm = runtime->private_data;
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if (! epcm->voice) {
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epcm->voice = &epcm->emu->voices[substream->pcm->device];
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epcm->voice->use = 1;
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epcm->voice->epcm = epcm;
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}
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return snd_pcm_lib_malloc_pages(substream,
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params_buffer_bytes(hw_params));
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}
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/* hw_free callback */
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static int snd_emu10k1x_pcm_hw_free(struct snd_pcm_substream *substream)
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{
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct emu10k1x_pcm *epcm;
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if (runtime->private_data == NULL)
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return 0;
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epcm = runtime->private_data;
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if (epcm->voice) {
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epcm->voice->use = 0;
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epcm->voice->epcm = NULL;
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epcm->voice = NULL;
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}
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return snd_pcm_lib_free_pages(substream);
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}
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/* prepare callback */
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static int snd_emu10k1x_pcm_prepare(struct snd_pcm_substream *substream)
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{
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struct emu10k1x *emu = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct emu10k1x_pcm *epcm = runtime->private_data;
|
|
int voice = epcm->voice->number;
|
|
u32 *table_base = (u32 *)(emu->dma_buffer.area+1024*voice);
|
|
u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
|
|
int i;
|
|
|
|
for(i = 0; i < runtime->periods; i++) {
|
|
*table_base++=runtime->dma_addr+(i*period_size_bytes);
|
|
*table_base++=period_size_bytes<<16;
|
|
}
|
|
|
|
snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer.addr+1024*voice);
|
|
snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19);
|
|
snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, voice, 0);
|
|
snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, voice, 0);
|
|
snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN1, voice, 0);
|
|
snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN2, voice, 0);
|
|
snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr);
|
|
|
|
snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_size)<<16);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* trigger callback */
|
|
static int snd_emu10k1x_pcm_trigger(struct snd_pcm_substream *substream,
|
|
int cmd)
|
|
{
|
|
struct emu10k1x *emu = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct emu10k1x_pcm *epcm = runtime->private_data;
|
|
int channel = epcm->voice->number;
|
|
int result = 0;
|
|
|
|
// snd_printk(KERN_INFO "trigger - emu10k1x = 0x%x, cmd = %i, pointer = %d\n", (int)emu, cmd, (int)substream->ops->pointer(substream));
|
|
|
|
switch (cmd) {
|
|
case SNDRV_PCM_TRIGGER_START:
|
|
if(runtime->periods == 2)
|
|
snd_emu10k1x_intr_enable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
|
|
else
|
|
snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel);
|
|
epcm->running = 1;
|
|
snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|(TRIGGER_CHANNEL_0<<channel));
|
|
break;
|
|
case SNDRV_PCM_TRIGGER_STOP:
|
|
epcm->running = 0;
|
|
snd_emu10k1x_intr_disable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
|
|
snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CHANNEL_0<<channel));
|
|
break;
|
|
default:
|
|
result = -EINVAL;
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/* pointer callback */
|
|
static snd_pcm_uframes_t
|
|
snd_emu10k1x_pcm_pointer(struct snd_pcm_substream *substream)
|
|
{
|
|
struct emu10k1x *emu = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct emu10k1x_pcm *epcm = runtime->private_data;
|
|
int channel = epcm->voice->number;
|
|
snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0;
|
|
|
|
if (!epcm->running)
|
|
return 0;
|
|
|
|
ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
|
|
ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
|
|
ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
|
|
|
|
if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size))
|
|
return 0;
|
|
|
|
if (ptr3 != ptr4)
|
|
ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
|
|
ptr2 = bytes_to_frames(runtime, ptr1);
|
|
ptr2 += (ptr4 >> 3) * runtime->period_size;
|
|
ptr = ptr2;
|
|
|
|
if (ptr >= runtime->buffer_size)
|
|
ptr -= runtime->buffer_size;
|
|
|
|
return ptr;
|
|
}
|
|
|
|
/* operators */
|
|
static struct snd_pcm_ops snd_emu10k1x_playback_ops = {
|
|
.open = snd_emu10k1x_playback_open,
|
|
.close = snd_emu10k1x_playback_close,
|
|
.ioctl = snd_pcm_lib_ioctl,
|
|
.hw_params = snd_emu10k1x_pcm_hw_params,
|
|
.hw_free = snd_emu10k1x_pcm_hw_free,
|
|
.prepare = snd_emu10k1x_pcm_prepare,
|
|
.trigger = snd_emu10k1x_pcm_trigger,
|
|
.pointer = snd_emu10k1x_pcm_pointer,
|
|
};
|
|
|
|
/* open_capture callback */
|
|
static int snd_emu10k1x_pcm_open_capture(struct snd_pcm_substream *substream)
|
|
{
|
|
struct emu10k1x *chip = snd_pcm_substream_chip(substream);
|
|
struct emu10k1x_pcm *epcm;
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
int err;
|
|
|
|
if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
|
|
return err;
|
|
if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)
|
|
return err;
|
|
|
|
epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
|
|
if (epcm == NULL)
|
|
return -ENOMEM;
|
|
|
|
epcm->emu = chip;
|
|
epcm->substream = substream;
|
|
|
|
runtime->private_data = epcm;
|
|
runtime->private_free = snd_emu10k1x_pcm_free_substream;
|
|
|
|
runtime->hw = snd_emu10k1x_capture_hw;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* close callback */
|
|
static int snd_emu10k1x_pcm_close_capture(struct snd_pcm_substream *substream)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/* hw_params callback */
|
|
static int snd_emu10k1x_pcm_hw_params_capture(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *hw_params)
|
|
{
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct emu10k1x_pcm *epcm = runtime->private_data;
|
|
|
|
if (! epcm->voice) {
|
|
if (epcm->emu->capture_voice.use)
|
|
return -EBUSY;
|
|
epcm->voice = &epcm->emu->capture_voice;
|
|
epcm->voice->epcm = epcm;
|
|
epcm->voice->use = 1;
|
|
}
|
|
|
|
return snd_pcm_lib_malloc_pages(substream,
|
|
params_buffer_bytes(hw_params));
|
|
}
|
|
|
|
/* hw_free callback */
|
|
static int snd_emu10k1x_pcm_hw_free_capture(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
|
|
struct emu10k1x_pcm *epcm;
|
|
|
|
if (runtime->private_data == NULL)
|
|
return 0;
|
|
epcm = runtime->private_data;
|
|
|
|
if (epcm->voice) {
|
|
epcm->voice->use = 0;
|
|
epcm->voice->epcm = NULL;
|
|
epcm->voice = NULL;
|
|
}
|
|
|
|
return snd_pcm_lib_free_pages(substream);
|
|
}
|
|
|
|
/* prepare capture callback */
|
|
static int snd_emu10k1x_pcm_prepare_capture(struct snd_pcm_substream *substream)
|
|
{
|
|
struct emu10k1x *emu = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
|
|
snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr);
|
|
snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)<<16); // buffer size in bytes
|
|
snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, 0, 0);
|
|
snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, 0, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* trigger_capture callback */
|
|
static int snd_emu10k1x_pcm_trigger_capture(struct snd_pcm_substream *substream,
|
|
int cmd)
|
|
{
|
|
struct emu10k1x *emu = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct emu10k1x_pcm *epcm = runtime->private_data;
|
|
int result = 0;
|
|
|
|
switch (cmd) {
|
|
case SNDRV_PCM_TRIGGER_START:
|
|
snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP |
|
|
INTE_CAP_0_HALF_LOOP);
|
|
snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|TRIGGER_CAPTURE);
|
|
epcm->running = 1;
|
|
break;
|
|
case SNDRV_PCM_TRIGGER_STOP:
|
|
epcm->running = 0;
|
|
snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP |
|
|
INTE_CAP_0_HALF_LOOP);
|
|
snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CAPTURE));
|
|
break;
|
|
default:
|
|
result = -EINVAL;
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/* pointer_capture callback */
|
|
static snd_pcm_uframes_t
|
|
snd_emu10k1x_pcm_pointer_capture(struct snd_pcm_substream *substream)
|
|
{
|
|
struct emu10k1x *emu = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct emu10k1x_pcm *epcm = runtime->private_data;
|
|
snd_pcm_uframes_t ptr;
|
|
|
|
if (!epcm->running)
|
|
return 0;
|
|
|
|
ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0));
|
|
if (ptr >= runtime->buffer_size)
|
|
ptr -= runtime->buffer_size;
|
|
|
|
return ptr;
|
|
}
|
|
|
|
static struct snd_pcm_ops snd_emu10k1x_capture_ops = {
|
|
.open = snd_emu10k1x_pcm_open_capture,
|
|
.close = snd_emu10k1x_pcm_close_capture,
|
|
.ioctl = snd_pcm_lib_ioctl,
|
|
.hw_params = snd_emu10k1x_pcm_hw_params_capture,
|
|
.hw_free = snd_emu10k1x_pcm_hw_free_capture,
|
|
.prepare = snd_emu10k1x_pcm_prepare_capture,
|
|
.trigger = snd_emu10k1x_pcm_trigger_capture,
|
|
.pointer = snd_emu10k1x_pcm_pointer_capture,
|
|
};
|
|
|
|
static unsigned short snd_emu10k1x_ac97_read(struct snd_ac97 *ac97,
|
|
unsigned short reg)
|
|
{
|
|
struct emu10k1x *emu = ac97->private_data;
|
|
unsigned long flags;
|
|
unsigned short val;
|
|
|
|
spin_lock_irqsave(&emu->emu_lock, flags);
|
|
outb(reg, emu->port + AC97ADDRESS);
|
|
val = inw(emu->port + AC97DATA);
|
|
spin_unlock_irqrestore(&emu->emu_lock, flags);
|
|
return val;
|
|
}
|
|
|
|
static void snd_emu10k1x_ac97_write(struct snd_ac97 *ac97,
|
|
unsigned short reg, unsigned short val)
|
|
{
|
|
struct emu10k1x *emu = ac97->private_data;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&emu->emu_lock, flags);
|
|
outb(reg, emu->port + AC97ADDRESS);
|
|
outw(val, emu->port + AC97DATA);
|
|
spin_unlock_irqrestore(&emu->emu_lock, flags);
|
|
}
|
|
|
|
static int snd_emu10k1x_ac97(struct emu10k1x *chip)
|
|
{
|
|
struct snd_ac97_bus *pbus;
|
|
struct snd_ac97_template ac97;
|
|
int err;
|
|
static struct snd_ac97_bus_ops ops = {
|
|
.write = snd_emu10k1x_ac97_write,
|
|
.read = snd_emu10k1x_ac97_read,
|
|
};
|
|
|
|
if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
|
|
return err;
|
|
pbus->no_vra = 1; /* we don't need VRA */
|
|
|
|
memset(&ac97, 0, sizeof(ac97));
|
|
ac97.private_data = chip;
|
|
ac97.scaps = AC97_SCAP_NO_SPDIF;
|
|
return snd_ac97_mixer(pbus, &ac97, &chip->ac97);
|
|
}
|
|
|
|
static int snd_emu10k1x_free(struct emu10k1x *chip)
|
|
{
|
|
snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0);
|
|
// disable interrupts
|
|
outl(0, chip->port + INTE);
|
|
// disable audio
|
|
outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG);
|
|
|
|
/* release the irq */
|
|
if (chip->irq >= 0)
|
|
free_irq(chip->irq, chip);
|
|
|
|
// release the i/o port
|
|
release_and_free_resource(chip->res_port);
|
|
|
|
// release the DMA
|
|
if (chip->dma_buffer.area) {
|
|
snd_dma_free_pages(&chip->dma_buffer);
|
|
}
|
|
|
|
pci_disable_device(chip->pci);
|
|
|
|
// release the data
|
|
kfree(chip);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_emu10k1x_dev_free(struct snd_device *device)
|
|
{
|
|
struct emu10k1x *chip = device->device_data;
|
|
return snd_emu10k1x_free(chip);
|
|
}
|
|
|
|
static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id)
|
|
{
|
|
unsigned int status;
|
|
|
|
struct emu10k1x *chip = dev_id;
|
|
struct emu10k1x_voice *pvoice = chip->voices;
|
|
int i;
|
|
int mask;
|
|
|
|
status = inl(chip->port + IPR);
|
|
|
|
if (! status)
|
|
return IRQ_NONE;
|
|
|
|
// capture interrupt
|
|
if (status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) {
|
|
struct emu10k1x_voice *cap_voice = &chip->capture_voice;
|
|
if (cap_voice->use)
|
|
snd_emu10k1x_pcm_interrupt(chip, cap_voice);
|
|
else
|
|
snd_emu10k1x_intr_disable(chip,
|
|
INTE_CAP_0_LOOP |
|
|
INTE_CAP_0_HALF_LOOP);
|
|
}
|
|
|
|
mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP;
|
|
for (i = 0; i < 3; i++) {
|
|
if (status & mask) {
|
|
if (pvoice->use)
|
|
snd_emu10k1x_pcm_interrupt(chip, pvoice);
|
|
else
|
|
snd_emu10k1x_intr_disable(chip, mask);
|
|
}
|
|
pvoice++;
|
|
mask <<= 1;
|
|
}
|
|
|
|
if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) {
|
|
if (chip->midi.interrupt)
|
|
chip->midi.interrupt(chip, status);
|
|
else
|
|
snd_emu10k1x_intr_disable(chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE);
|
|
}
|
|
|
|
// acknowledge the interrupt if necessary
|
|
outl(status, chip->port + IPR);
|
|
|
|
// snd_printk(KERN_INFO "interrupt %08x\n", status);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static const struct snd_pcm_chmap_elem surround_map[] = {
|
|
{ .channels = 2,
|
|
.map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
|
|
{ }
|
|
};
|
|
|
|
static const struct snd_pcm_chmap_elem clfe_map[] = {
|
|
{ .channels = 2,
|
|
.map = { SNDRV_CHMAP_FC, SNDRV_CHMAP_LFE } },
|
|
{ }
|
|
};
|
|
|
|
static int snd_emu10k1x_pcm(struct emu10k1x *emu, int device, struct snd_pcm **rpcm)
|
|
{
|
|
struct snd_pcm *pcm;
|
|
const struct snd_pcm_chmap_elem *map = NULL;
|
|
int err;
|
|
int capture = 0;
|
|
|
|
if (rpcm)
|
|
*rpcm = NULL;
|
|
if (device == 0)
|
|
capture = 1;
|
|
|
|
if ((err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm)) < 0)
|
|
return err;
|
|
|
|
pcm->private_data = emu;
|
|
|
|
switch(device) {
|
|
case 0:
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1x_capture_ops);
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
|
|
break;
|
|
}
|
|
|
|
pcm->info_flags = 0;
|
|
switch(device) {
|
|
case 0:
|
|
strcpy(pcm->name, "EMU10K1X Front");
|
|
map = snd_pcm_std_chmaps;
|
|
break;
|
|
case 1:
|
|
strcpy(pcm->name, "EMU10K1X Rear");
|
|
map = surround_map;
|
|
break;
|
|
case 2:
|
|
strcpy(pcm->name, "EMU10K1X Center/LFE");
|
|
map = clfe_map;
|
|
break;
|
|
}
|
|
emu->pcm = pcm;
|
|
|
|
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
|
|
snd_dma_pci_data(emu->pci),
|
|
32*1024, 32*1024);
|
|
|
|
err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, map, 2,
|
|
1 << 2, NULL);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (rpcm)
|
|
*rpcm = pcm;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int snd_emu10k1x_create(struct snd_card *card,
|
|
struct pci_dev *pci,
|
|
struct emu10k1x **rchip)
|
|
{
|
|
struct emu10k1x *chip;
|
|
int err;
|
|
int ch;
|
|
static struct snd_device_ops ops = {
|
|
.dev_free = snd_emu10k1x_dev_free,
|
|
};
|
|
|
|
*rchip = NULL;
|
|
|
|
if ((err = pci_enable_device(pci)) < 0)
|
|
return err;
|
|
if (pci_set_dma_mask(pci, DMA_BIT_MASK(28)) < 0 ||
|
|
pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 0) {
|
|
snd_printk(KERN_ERR "error to set 28bit mask DMA\n");
|
|
pci_disable_device(pci);
|
|
return -ENXIO;
|
|
}
|
|
|
|
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
|
|
if (chip == NULL) {
|
|
pci_disable_device(pci);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
chip->card = card;
|
|
chip->pci = pci;
|
|
chip->irq = -1;
|
|
|
|
spin_lock_init(&chip->emu_lock);
|
|
spin_lock_init(&chip->voice_lock);
|
|
|
|
chip->port = pci_resource_start(pci, 0);
|
|
if ((chip->res_port = request_region(chip->port, 8,
|
|
"EMU10K1X")) == NULL) {
|
|
snd_printk(KERN_ERR "emu10k1x: cannot allocate the port 0x%lx\n", chip->port);
|
|
snd_emu10k1x_free(chip);
|
|
return -EBUSY;
|
|
}
|
|
|
|
if (request_irq(pci->irq, snd_emu10k1x_interrupt,
|
|
IRQF_SHARED, KBUILD_MODNAME, chip)) {
|
|
snd_printk(KERN_ERR "emu10k1x: cannot grab irq %d\n", pci->irq);
|
|
snd_emu10k1x_free(chip);
|
|
return -EBUSY;
|
|
}
|
|
chip->irq = pci->irq;
|
|
|
|
if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
|
|
4 * 1024, &chip->dma_buffer) < 0) {
|
|
snd_emu10k1x_free(chip);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
pci_set_master(pci);
|
|
/* read revision & serial */
|
|
chip->revision = pci->revision;
|
|
pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
|
|
pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
|
|
snd_printk(KERN_INFO "Model %04x Rev %08x Serial %08x\n", chip->model,
|
|
chip->revision, chip->serial);
|
|
|
|
outl(0, chip->port + INTE);
|
|
|
|
for(ch = 0; ch < 3; ch++) {
|
|
chip->voices[ch].emu = chip;
|
|
chip->voices[ch].number = ch;
|
|
}
|
|
|
|
/*
|
|
* Init to 0x02109204 :
|
|
* Clock accuracy = 0 (1000ppm)
|
|
* Sample Rate = 2 (48kHz)
|
|
* Audio Channel = 1 (Left of 2)
|
|
* Source Number = 0 (Unspecified)
|
|
* Generation Status = 1 (Original for Cat Code 12)
|
|
* Cat Code = 12 (Digital Signal Mixer)
|
|
* Mode = 0 (Mode 0)
|
|
* Emphasis = 0 (None)
|
|
* CP = 1 (Copyright unasserted)
|
|
* AN = 0 (Audio data)
|
|
* P = 0 (Consumer)
|
|
*/
|
|
snd_emu10k1x_ptr_write(chip, SPCS0, 0,
|
|
chip->spdif_bits[0] =
|
|
SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
|
|
SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
|
|
SPCS_GENERATIONSTATUS | 0x00001200 |
|
|
0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
|
|
snd_emu10k1x_ptr_write(chip, SPCS1, 0,
|
|
chip->spdif_bits[1] =
|
|
SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
|
|
SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
|
|
SPCS_GENERATIONSTATUS | 0x00001200 |
|
|
0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
|
|
snd_emu10k1x_ptr_write(chip, SPCS2, 0,
|
|
chip->spdif_bits[2] =
|
|
SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
|
|
SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
|
|
SPCS_GENERATIONSTATUS | 0x00001200 |
|
|
0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
|
|
|
|
snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700); // disable SPDIF
|
|
snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F); // routing
|
|
snd_emu10k1x_gpio_write(chip, 0x1080); // analog mode
|
|
|
|
outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG);
|
|
|
|
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
|
|
chip, &ops)) < 0) {
|
|
snd_emu10k1x_free(chip);
|
|
return err;
|
|
}
|
|
*rchip = chip;
|
|
return 0;
|
|
}
|
|
|
|
static void snd_emu10k1x_proc_reg_read(struct snd_info_entry *entry,
|
|
struct snd_info_buffer *buffer)
|
|
{
|
|
struct emu10k1x *emu = entry->private_data;
|
|
unsigned long value,value1,value2;
|
|
unsigned long flags;
|
|
int i;
|
|
|
|
snd_iprintf(buffer, "Registers:\n\n");
|
|
for(i = 0; i < 0x20; i+=4) {
|
|
spin_lock_irqsave(&emu->emu_lock, flags);
|
|
value = inl(emu->port + i);
|
|
spin_unlock_irqrestore(&emu->emu_lock, flags);
|
|
snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
|
|
}
|
|
snd_iprintf(buffer, "\nRegisters\n\n");
|
|
for(i = 0; i <= 0x48; i++) {
|
|
value = snd_emu10k1x_ptr_read(emu, i, 0);
|
|
if(i < 0x10 || (i >= 0x20 && i < 0x40)) {
|
|
value1 = snd_emu10k1x_ptr_read(emu, i, 1);
|
|
value2 = snd_emu10k1x_ptr_read(emu, i, 2);
|
|
snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n", i, value, value1, value2);
|
|
} else {
|
|
snd_iprintf(buffer, "%02X: %08lX\n", i, value);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void snd_emu10k1x_proc_reg_write(struct snd_info_entry *entry,
|
|
struct snd_info_buffer *buffer)
|
|
{
|
|
struct emu10k1x *emu = entry->private_data;
|
|
char line[64];
|
|
unsigned int reg, channel_id , val;
|
|
|
|
while (!snd_info_get_line(buffer, line, sizeof(line))) {
|
|
if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3)
|
|
continue;
|
|
|
|
if (reg < 0x49 && val <= 0xffffffff && channel_id <= 2)
|
|
snd_emu10k1x_ptr_write(emu, reg, channel_id, val);
|
|
}
|
|
}
|
|
|
|
static int snd_emu10k1x_proc_init(struct emu10k1x *emu)
|
|
{
|
|
struct snd_info_entry *entry;
|
|
|
|
if(! snd_card_proc_new(emu->card, "emu10k1x_regs", &entry)) {
|
|
snd_info_set_text_ops(entry, emu, snd_emu10k1x_proc_reg_read);
|
|
entry->c.text.write = snd_emu10k1x_proc_reg_write;
|
|
entry->mode |= S_IWUSR;
|
|
entry->private_data = emu;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define snd_emu10k1x_shared_spdif_info snd_ctl_boolean_mono_info
|
|
|
|
static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
|
|
|
|
ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
|
|
unsigned int val;
|
|
int change = 0;
|
|
|
|
val = ucontrol->value.integer.value[0] ;
|
|
|
|
if (val) {
|
|
// enable spdif output
|
|
snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x000);
|
|
snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x700);
|
|
snd_emu10k1x_gpio_write(emu, 0x1000);
|
|
} else {
|
|
// disable spdif output
|
|
snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x700);
|
|
snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F);
|
|
snd_emu10k1x_gpio_write(emu, 0x1080);
|
|
}
|
|
return change;
|
|
}
|
|
|
|
static struct snd_kcontrol_new snd_emu10k1x_shared_spdif =
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Analog/Digital Output Jack",
|
|
.info = snd_emu10k1x_shared_spdif_info,
|
|
.get = snd_emu10k1x_shared_spdif_get,
|
|
.put = snd_emu10k1x_shared_spdif_put
|
|
};
|
|
|
|
static int snd_emu10k1x_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
|
|
uinfo->count = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_emu10k1x_spdif_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
|
|
unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
|
|
|
|
ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff;
|
|
ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff;
|
|
ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff;
|
|
ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_emu10k1x_spdif_get_mask(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
ucontrol->value.iec958.status[0] = 0xff;
|
|
ucontrol->value.iec958.status[1] = 0xff;
|
|
ucontrol->value.iec958.status[2] = 0xff;
|
|
ucontrol->value.iec958.status[3] = 0xff;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_emu10k1x_spdif_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
|
|
unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
|
|
int change;
|
|
unsigned int val;
|
|
|
|
val = (ucontrol->value.iec958.status[0] << 0) |
|
|
(ucontrol->value.iec958.status[1] << 8) |
|
|
(ucontrol->value.iec958.status[2] << 16) |
|
|
(ucontrol->value.iec958.status[3] << 24);
|
|
change = val != emu->spdif_bits[idx];
|
|
if (change) {
|
|
snd_emu10k1x_ptr_write(emu, SPCS0 + idx, 0, val);
|
|
emu->spdif_bits[idx] = val;
|
|
}
|
|
return change;
|
|
}
|
|
|
|
static struct snd_kcontrol_new snd_emu10k1x_spdif_mask_control =
|
|
{
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READ,
|
|
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
|
|
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
|
|
.count = 3,
|
|
.info = snd_emu10k1x_spdif_info,
|
|
.get = snd_emu10k1x_spdif_get_mask
|
|
};
|
|
|
|
static struct snd_kcontrol_new snd_emu10k1x_spdif_control =
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
|
|
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
|
|
.count = 3,
|
|
.info = snd_emu10k1x_spdif_info,
|
|
.get = snd_emu10k1x_spdif_get,
|
|
.put = snd_emu10k1x_spdif_put
|
|
};
|
|
|
|
static int snd_emu10k1x_mixer(struct emu10k1x *emu)
|
|
{
|
|
int err;
|
|
struct snd_kcontrol *kctl;
|
|
struct snd_card *card = emu->card;
|
|
|
|
if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu)) == NULL)
|
|
return -ENOMEM;
|
|
if ((err = snd_ctl_add(card, kctl)))
|
|
return err;
|
|
if ((kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu)) == NULL)
|
|
return -ENOMEM;
|
|
if ((err = snd_ctl_add(card, kctl)))
|
|
return err;
|
|
if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu)) == NULL)
|
|
return -ENOMEM;
|
|
if ((err = snd_ctl_add(card, kctl)))
|
|
return err;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define EMU10K1X_MIDI_MODE_INPUT (1<<0)
|
|
#define EMU10K1X_MIDI_MODE_OUTPUT (1<<1)
|
|
|
|
static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx)
|
|
{
|
|
return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0);
|
|
}
|
|
|
|
static inline void mpu401_write(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int data, int idx)
|
|
{
|
|
snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data);
|
|
}
|
|
|
|
#define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0)
|
|
#define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1)
|
|
#define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0)
|
|
#define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1)
|
|
|
|
#define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80))
|
|
#define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40))
|
|
|
|
#define MPU401_RESET 0xff
|
|
#define MPU401_ENTER_UART 0x3f
|
|
#define MPU401_ACK 0xfe
|
|
|
|
static void mpu401_clear_rx(struct emu10k1x *emu, struct emu10k1x_midi *mpu)
|
|
{
|
|
int timeout = 100000;
|
|
for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--)
|
|
mpu401_read_data(emu, mpu);
|
|
#ifdef CONFIG_SND_DEBUG
|
|
if (timeout <= 0)
|
|
snd_printk(KERN_ERR "cmd: clear rx timeout (status = 0x%x)\n", mpu401_read_stat(emu, mpu));
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
|
|
*/
|
|
|
|
static void do_emu10k1x_midi_interrupt(struct emu10k1x *emu,
|
|
struct emu10k1x_midi *midi, unsigned int status)
|
|
{
|
|
unsigned char byte;
|
|
|
|
if (midi->rmidi == NULL) {
|
|
snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable);
|
|
return;
|
|
}
|
|
|
|
spin_lock(&midi->input_lock);
|
|
if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) {
|
|
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
|
|
mpu401_clear_rx(emu, midi);
|
|
} else {
|
|
byte = mpu401_read_data(emu, midi);
|
|
if (midi->substream_input)
|
|
snd_rawmidi_receive(midi->substream_input, &byte, 1);
|
|
}
|
|
}
|
|
spin_unlock(&midi->input_lock);
|
|
|
|
spin_lock(&midi->output_lock);
|
|
if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) {
|
|
if (midi->substream_output &&
|
|
snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) {
|
|
mpu401_write_data(emu, midi, byte);
|
|
} else {
|
|
snd_emu10k1x_intr_disable(emu, midi->tx_enable);
|
|
}
|
|
}
|
|
spin_unlock(&midi->output_lock);
|
|
}
|
|
|
|
static void snd_emu10k1x_midi_interrupt(struct emu10k1x *emu, unsigned int status)
|
|
{
|
|
do_emu10k1x_midi_interrupt(emu, &emu->midi, status);
|
|
}
|
|
|
|
static int snd_emu10k1x_midi_cmd(struct emu10k1x * emu,
|
|
struct emu10k1x_midi *midi, unsigned char cmd, int ack)
|
|
{
|
|
unsigned long flags;
|
|
int timeout, ok;
|
|
|
|
spin_lock_irqsave(&midi->input_lock, flags);
|
|
mpu401_write_data(emu, midi, 0x00);
|
|
/* mpu401_clear_rx(emu, midi); */
|
|
|
|
mpu401_write_cmd(emu, midi, cmd);
|
|
if (ack) {
|
|
ok = 0;
|
|
timeout = 10000;
|
|
while (!ok && timeout-- > 0) {
|
|
if (mpu401_input_avail(emu, midi)) {
|
|
if (mpu401_read_data(emu, midi) == MPU401_ACK)
|
|
ok = 1;
|
|
}
|
|
}
|
|
if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK)
|
|
ok = 1;
|
|
} else {
|
|
ok = 1;
|
|
}
|
|
spin_unlock_irqrestore(&midi->input_lock, flags);
|
|
if (!ok) {
|
|
snd_printk(KERN_ERR "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n",
|
|
cmd, emu->port,
|
|
mpu401_read_stat(emu, midi),
|
|
mpu401_read_data(emu, midi));
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream)
|
|
{
|
|
struct emu10k1x *emu;
|
|
struct emu10k1x_midi *midi = substream->rmidi->private_data;
|
|
unsigned long flags;
|
|
|
|
emu = midi->emu;
|
|
if (snd_BUG_ON(!emu))
|
|
return -ENXIO;
|
|
spin_lock_irqsave(&midi->open_lock, flags);
|
|
midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT;
|
|
midi->substream_input = substream;
|
|
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
|
|
spin_unlock_irqrestore(&midi->open_lock, flags);
|
|
if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
|
|
goto error_out;
|
|
if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
|
|
goto error_out;
|
|
} else {
|
|
spin_unlock_irqrestore(&midi->open_lock, flags);
|
|
}
|
|
return 0;
|
|
|
|
error_out:
|
|
return -EIO;
|
|
}
|
|
|
|
static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream)
|
|
{
|
|
struct emu10k1x *emu;
|
|
struct emu10k1x_midi *midi = substream->rmidi->private_data;
|
|
unsigned long flags;
|
|
|
|
emu = midi->emu;
|
|
if (snd_BUG_ON(!emu))
|
|
return -ENXIO;
|
|
spin_lock_irqsave(&midi->open_lock, flags);
|
|
midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT;
|
|
midi->substream_output = substream;
|
|
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
|
|
spin_unlock_irqrestore(&midi->open_lock, flags);
|
|
if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
|
|
goto error_out;
|
|
if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
|
|
goto error_out;
|
|
} else {
|
|
spin_unlock_irqrestore(&midi->open_lock, flags);
|
|
}
|
|
return 0;
|
|
|
|
error_out:
|
|
return -EIO;
|
|
}
|
|
|
|
static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream)
|
|
{
|
|
struct emu10k1x *emu;
|
|
struct emu10k1x_midi *midi = substream->rmidi->private_data;
|
|
unsigned long flags;
|
|
int err = 0;
|
|
|
|
emu = midi->emu;
|
|
if (snd_BUG_ON(!emu))
|
|
return -ENXIO;
|
|
spin_lock_irqsave(&midi->open_lock, flags);
|
|
snd_emu10k1x_intr_disable(emu, midi->rx_enable);
|
|
midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT;
|
|
midi->substream_input = NULL;
|
|
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
|
|
spin_unlock_irqrestore(&midi->open_lock, flags);
|
|
err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
|
|
} else {
|
|
spin_unlock_irqrestore(&midi->open_lock, flags);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static int snd_emu10k1x_midi_output_close(struct snd_rawmidi_substream *substream)
|
|
{
|
|
struct emu10k1x *emu;
|
|
struct emu10k1x_midi *midi = substream->rmidi->private_data;
|
|
unsigned long flags;
|
|
int err = 0;
|
|
|
|
emu = midi->emu;
|
|
if (snd_BUG_ON(!emu))
|
|
return -ENXIO;
|
|
spin_lock_irqsave(&midi->open_lock, flags);
|
|
snd_emu10k1x_intr_disable(emu, midi->tx_enable);
|
|
midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT;
|
|
midi->substream_output = NULL;
|
|
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
|
|
spin_unlock_irqrestore(&midi->open_lock, flags);
|
|
err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
|
|
} else {
|
|
spin_unlock_irqrestore(&midi->open_lock, flags);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
|
|
{
|
|
struct emu10k1x *emu;
|
|
struct emu10k1x_midi *midi = substream->rmidi->private_data;
|
|
emu = midi->emu;
|
|
if (snd_BUG_ON(!emu))
|
|
return;
|
|
|
|
if (up)
|
|
snd_emu10k1x_intr_enable(emu, midi->rx_enable);
|
|
else
|
|
snd_emu10k1x_intr_disable(emu, midi->rx_enable);
|
|
}
|
|
|
|
static void snd_emu10k1x_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
|
|
{
|
|
struct emu10k1x *emu;
|
|
struct emu10k1x_midi *midi = substream->rmidi->private_data;
|
|
unsigned long flags;
|
|
|
|
emu = midi->emu;
|
|
if (snd_BUG_ON(!emu))
|
|
return;
|
|
|
|
if (up) {
|
|
int max = 4;
|
|
unsigned char byte;
|
|
|
|
/* try to send some amount of bytes here before interrupts */
|
|
spin_lock_irqsave(&midi->output_lock, flags);
|
|
while (max > 0) {
|
|
if (mpu401_output_ready(emu, midi)) {
|
|
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) ||
|
|
snd_rawmidi_transmit(substream, &byte, 1) != 1) {
|
|
/* no more data */
|
|
spin_unlock_irqrestore(&midi->output_lock, flags);
|
|
return;
|
|
}
|
|
mpu401_write_data(emu, midi, byte);
|
|
max--;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&midi->output_lock, flags);
|
|
snd_emu10k1x_intr_enable(emu, midi->tx_enable);
|
|
} else {
|
|
snd_emu10k1x_intr_disable(emu, midi->tx_enable);
|
|
}
|
|
}
|
|
|
|
/*
|
|
|
|
*/
|
|
|
|
static struct snd_rawmidi_ops snd_emu10k1x_midi_output =
|
|
{
|
|
.open = snd_emu10k1x_midi_output_open,
|
|
.close = snd_emu10k1x_midi_output_close,
|
|
.trigger = snd_emu10k1x_midi_output_trigger,
|
|
};
|
|
|
|
static struct snd_rawmidi_ops snd_emu10k1x_midi_input =
|
|
{
|
|
.open = snd_emu10k1x_midi_input_open,
|
|
.close = snd_emu10k1x_midi_input_close,
|
|
.trigger = snd_emu10k1x_midi_input_trigger,
|
|
};
|
|
|
|
static void snd_emu10k1x_midi_free(struct snd_rawmidi *rmidi)
|
|
{
|
|
struct emu10k1x_midi *midi = rmidi->private_data;
|
|
midi->interrupt = NULL;
|
|
midi->rmidi = NULL;
|
|
}
|
|
|
|
static int emu10k1x_midi_init(struct emu10k1x *emu,
|
|
struct emu10k1x_midi *midi, int device,
|
|
char *name)
|
|
{
|
|
struct snd_rawmidi *rmidi;
|
|
int err;
|
|
|
|
if ((err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi)) < 0)
|
|
return err;
|
|
midi->emu = emu;
|
|
spin_lock_init(&midi->open_lock);
|
|
spin_lock_init(&midi->input_lock);
|
|
spin_lock_init(&midi->output_lock);
|
|
strcpy(rmidi->name, name);
|
|
snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1x_midi_output);
|
|
snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1x_midi_input);
|
|
rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
|
|
SNDRV_RAWMIDI_INFO_INPUT |
|
|
SNDRV_RAWMIDI_INFO_DUPLEX;
|
|
rmidi->private_data = midi;
|
|
rmidi->private_free = snd_emu10k1x_midi_free;
|
|
midi->rmidi = rmidi;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_emu10k1x_midi(struct emu10k1x *emu)
|
|
{
|
|
struct emu10k1x_midi *midi = &emu->midi;
|
|
int err;
|
|
|
|
if ((err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)")) < 0)
|
|
return err;
|
|
|
|
midi->tx_enable = INTE_MIDITXENABLE;
|
|
midi->rx_enable = INTE_MIDIRXENABLE;
|
|
midi->port = MUDATA;
|
|
midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;
|
|
midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;
|
|
midi->interrupt = snd_emu10k1x_midi_interrupt;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_emu10k1x_probe(struct pci_dev *pci,
|
|
const struct pci_device_id *pci_id)
|
|
{
|
|
static int dev;
|
|
struct snd_card *card;
|
|
struct emu10k1x *chip;
|
|
int err;
|
|
|
|
if (dev >= SNDRV_CARDS)
|
|
return -ENODEV;
|
|
if (!enable[dev]) {
|
|
dev++;
|
|
return -ENOENT;
|
|
}
|
|
|
|
err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if ((err = snd_emu10k1x_create(card, pci, &chip)) < 0) {
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
|
|
if ((err = snd_emu10k1x_pcm(chip, 0, NULL)) < 0) {
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
if ((err = snd_emu10k1x_pcm(chip, 1, NULL)) < 0) {
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
if ((err = snd_emu10k1x_pcm(chip, 2, NULL)) < 0) {
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
|
|
if ((err = snd_emu10k1x_ac97(chip)) < 0) {
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
|
|
if ((err = snd_emu10k1x_mixer(chip)) < 0) {
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
|
|
if ((err = snd_emu10k1x_midi(chip)) < 0) {
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
|
|
snd_emu10k1x_proc_init(chip);
|
|
|
|
strcpy(card->driver, "EMU10K1X");
|
|
strcpy(card->shortname, "Dell Sound Blaster Live!");
|
|
sprintf(card->longname, "%s at 0x%lx irq %i",
|
|
card->shortname, chip->port, chip->irq);
|
|
|
|
snd_card_set_dev(card, &pci->dev);
|
|
|
|
if ((err = snd_card_register(card)) < 0) {
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
|
|
pci_set_drvdata(pci, card);
|
|
dev++;
|
|
return 0;
|
|
}
|
|
|
|
static void snd_emu10k1x_remove(struct pci_dev *pci)
|
|
{
|
|
snd_card_free(pci_get_drvdata(pci));
|
|
}
|
|
|
|
// PCI IDs
|
|
static DEFINE_PCI_DEVICE_TABLE(snd_emu10k1x_ids) = {
|
|
{ PCI_VDEVICE(CREATIVE, 0x0006), 0 }, /* Dell OEM version (EMU10K1) */
|
|
{ 0, }
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids);
|
|
|
|
// pci_driver definition
|
|
static struct pci_driver emu10k1x_driver = {
|
|
.name = KBUILD_MODNAME,
|
|
.id_table = snd_emu10k1x_ids,
|
|
.probe = snd_emu10k1x_probe,
|
|
.remove = snd_emu10k1x_remove,
|
|
};
|
|
|
|
module_pci_driver(emu10k1x_driver);
|