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* Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
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* Driver EMU10K1X chips
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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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* Chips (SB0200 model):
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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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* 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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* 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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#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 int 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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#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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/* From 0x50 - 0x5f, last samples captured */
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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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* The center/lfe channel has no volume control and cannot be muted during
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struct emu10k1x_voice {
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struct emu10k1x *emu;
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struct emu10k1x_pcm *epcm;
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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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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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void (*interrupt)(struct emu10k1x *emu, unsigned int status);
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// definition of the chip-specific record
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struct snd_card *card;
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struct resource *res_port;
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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 voice_lock;
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struct snd_ac97 *ac97;
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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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/* 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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.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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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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.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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static unsigned int snd_emu10k1x_ptr_read(struct emu10k1x * emu,
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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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static void snd_emu10k1x_ptr_write(struct emu10k1x *emu,
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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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static void snd_emu10k1x_intr_enable(struct emu10k1x *emu, unsigned int intrenb)
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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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static void snd_emu10k1x_intr_disable(struct emu10k1x *emu, unsigned int intrenb)
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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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static void snd_emu10k1x_gpio_write(struct emu10k1x *emu, unsigned int value)
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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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static void snd_emu10k1x_pcm_free_substream(struct snd_pcm_runtime *runtime)
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kfree(runtime->private_data);
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static void snd_emu10k1x_pcm_interrupt(struct emu10k1x *emu, struct emu10k1x_voice *voice)
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struct emu10k1x_pcm *epcm;
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if ((epcm = voice->epcm) == NULL)
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if (epcm->substream == NULL)
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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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snd_pcm_period_elapsed(epcm->substream);
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static int snd_emu10k1x_playback_open(struct snd_pcm_substream *substream)
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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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if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
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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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epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
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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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static int snd_emu10k1x_playback_close(struct snd_pcm_substream *substream)
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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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struct snd_pcm_runtime *runtime = substream->runtime;
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struct emu10k1x_pcm *epcm = runtime->private_data;
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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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return snd_pcm_lib_malloc_pages(substream,
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params_buffer_bytes(hw_params));
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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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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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epcm = runtime->private_data;
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epcm->voice->use = 0;
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epcm->voice->epcm = NULL;
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return snd_pcm_lib_free_pages(substream);
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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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struct emu10k1x *emu = snd_pcm_substream_chip(substream);
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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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int voice = epcm->voice->number;
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u32 *table_base = (u32 *)(emu->dma_buffer.area+1024*voice);
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u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
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for(i = 0; i < runtime->periods; i++) {
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*table_base++=runtime->dma_addr+(i*period_size_bytes);
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*table_base++=period_size_bytes<<16;
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snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer.addr+1024*voice);
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snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19);
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snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, voice, 0);
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snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, voice, 0);
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snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN1, voice, 0);
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snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN2, voice, 0);
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snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr);
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snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_size)<<16);
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/* trigger callback */
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static int snd_emu10k1x_pcm_trigger(struct snd_pcm_substream *substream,
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struct emu10k1x *emu = snd_pcm_substream_chip(substream);
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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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int channel = epcm->voice->number;
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// snd_printk(KERN_INFO "trigger - emu10k1x = 0x%x, cmd = %i, pointer = %d\n", (int)emu, cmd, (int)substream->ops->pointer(substream));
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case SNDRV_PCM_TRIGGER_START:
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if(runtime->periods == 2)
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snd_emu10k1x_intr_enable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
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snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel);
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snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|(TRIGGER_CHANNEL_0<<channel));
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case SNDRV_PCM_TRIGGER_STOP:
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snd_emu10k1x_intr_disable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
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snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CHANNEL_0<<channel));
513
/* pointer callback */
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static snd_pcm_uframes_t
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snd_emu10k1x_pcm_pointer(struct snd_pcm_substream *substream)
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struct emu10k1x *emu = snd_pcm_substream_chip(substream);
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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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int channel = epcm->voice->number;
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snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0;
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ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
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ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
528
ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
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if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size))
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ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
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ptr2 = bytes_to_frames(runtime, ptr1);
536
ptr2 += (ptr4 >> 3) * runtime->period_size;
539
if (ptr >= runtime->buffer_size)
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ptr -= runtime->buffer_size;
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static struct snd_pcm_ops snd_emu10k1x_playback_ops = {
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.open = snd_emu10k1x_playback_open,
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.close = snd_emu10k1x_playback_close,
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.ioctl = snd_pcm_lib_ioctl,
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.hw_params = snd_emu10k1x_pcm_hw_params,
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.hw_free = snd_emu10k1x_pcm_hw_free,
552
.prepare = snd_emu10k1x_pcm_prepare,
553
.trigger = snd_emu10k1x_pcm_trigger,
554
.pointer = snd_emu10k1x_pcm_pointer,
557
/* open_capture callback */
558
static int snd_emu10k1x_pcm_open_capture(struct snd_pcm_substream *substream)
560
struct emu10k1x *chip = snd_pcm_substream_chip(substream);
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struct emu10k1x_pcm *epcm;
562
struct snd_pcm_runtime *runtime = substream->runtime;
565
if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
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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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epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
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epcm->substream = substream;
577
runtime->private_data = epcm;
578
runtime->private_free = snd_emu10k1x_pcm_free_substream;
580
runtime->hw = snd_emu10k1x_capture_hw;
586
static int snd_emu10k1x_pcm_close_capture(struct snd_pcm_substream *substream)
591
/* hw_params callback */
592
static int snd_emu10k1x_pcm_hw_params_capture(struct snd_pcm_substream *substream,
593
struct snd_pcm_hw_params *hw_params)
595
struct snd_pcm_runtime *runtime = substream->runtime;
596
struct emu10k1x_pcm *epcm = runtime->private_data;
599
if (epcm->emu->capture_voice.use)
601
epcm->voice = &epcm->emu->capture_voice;
602
epcm->voice->epcm = epcm;
603
epcm->voice->use = 1;
606
return snd_pcm_lib_malloc_pages(substream,
607
params_buffer_bytes(hw_params));
610
/* hw_free callback */
611
static int snd_emu10k1x_pcm_hw_free_capture(struct snd_pcm_substream *substream)
613
struct snd_pcm_runtime *runtime = substream->runtime;
615
struct emu10k1x_pcm *epcm;
617
if (runtime->private_data == NULL)
619
epcm = runtime->private_data;
622
epcm->voice->use = 0;
623
epcm->voice->epcm = NULL;
627
return snd_pcm_lib_free_pages(substream);
630
/* prepare capture callback */
631
static int snd_emu10k1x_pcm_prepare_capture(struct snd_pcm_substream *substream)
633
struct emu10k1x *emu = snd_pcm_substream_chip(substream);
634
struct snd_pcm_runtime *runtime = substream->runtime;
636
snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr);
637
snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)<<16); // buffer size in bytes
638
snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, 0, 0);
639
snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, 0, 0);
644
/* trigger_capture callback */
645
static int snd_emu10k1x_pcm_trigger_capture(struct snd_pcm_substream *substream,
648
struct emu10k1x *emu = snd_pcm_substream_chip(substream);
649
struct snd_pcm_runtime *runtime = substream->runtime;
650
struct emu10k1x_pcm *epcm = runtime->private_data;
654
case SNDRV_PCM_TRIGGER_START:
655
snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP |
656
INTE_CAP_0_HALF_LOOP);
657
snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|TRIGGER_CAPTURE);
660
case SNDRV_PCM_TRIGGER_STOP:
662
snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP |
663
INTE_CAP_0_HALF_LOOP);
664
snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CAPTURE));
673
/* pointer_capture callback */
674
static snd_pcm_uframes_t
675
snd_emu10k1x_pcm_pointer_capture(struct snd_pcm_substream *substream)
677
struct emu10k1x *emu = snd_pcm_substream_chip(substream);
678
struct snd_pcm_runtime *runtime = substream->runtime;
679
struct emu10k1x_pcm *epcm = runtime->private_data;
680
snd_pcm_uframes_t ptr;
685
ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0));
686
if (ptr >= runtime->buffer_size)
687
ptr -= runtime->buffer_size;
692
static struct snd_pcm_ops snd_emu10k1x_capture_ops = {
693
.open = snd_emu10k1x_pcm_open_capture,
694
.close = snd_emu10k1x_pcm_close_capture,
695
.ioctl = snd_pcm_lib_ioctl,
696
.hw_params = snd_emu10k1x_pcm_hw_params_capture,
697
.hw_free = snd_emu10k1x_pcm_hw_free_capture,
698
.prepare = snd_emu10k1x_pcm_prepare_capture,
699
.trigger = snd_emu10k1x_pcm_trigger_capture,
700
.pointer = snd_emu10k1x_pcm_pointer_capture,
703
static unsigned short snd_emu10k1x_ac97_read(struct snd_ac97 *ac97,
706
struct emu10k1x *emu = ac97->private_data;
710
spin_lock_irqsave(&emu->emu_lock, flags);
711
outb(reg, emu->port + AC97ADDRESS);
712
val = inw(emu->port + AC97DATA);
713
spin_unlock_irqrestore(&emu->emu_lock, flags);
717
static void snd_emu10k1x_ac97_write(struct snd_ac97 *ac97,
718
unsigned short reg, unsigned short val)
720
struct emu10k1x *emu = ac97->private_data;
723
spin_lock_irqsave(&emu->emu_lock, flags);
724
outb(reg, emu->port + AC97ADDRESS);
725
outw(val, emu->port + AC97DATA);
726
spin_unlock_irqrestore(&emu->emu_lock, flags);
729
static int snd_emu10k1x_ac97(struct emu10k1x *chip)
731
struct snd_ac97_bus *pbus;
732
struct snd_ac97_template ac97;
734
static struct snd_ac97_bus_ops ops = {
735
.write = snd_emu10k1x_ac97_write,
736
.read = snd_emu10k1x_ac97_read,
739
if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
741
pbus->no_vra = 1; /* we don't need VRA */
743
memset(&ac97, 0, sizeof(ac97));
744
ac97.private_data = chip;
745
ac97.scaps = AC97_SCAP_NO_SPDIF;
746
return snd_ac97_mixer(pbus, &ac97, &chip->ac97);
749
static int snd_emu10k1x_free(struct emu10k1x *chip)
751
snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0);
752
// disable interrupts
753
outl(0, chip->port + INTE);
755
outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG);
757
/* release the irq */
759
free_irq(chip->irq, chip);
761
// release the i/o port
762
release_and_free_resource(chip->res_port);
765
if (chip->dma_buffer.area) {
766
snd_dma_free_pages(&chip->dma_buffer);
769
pci_disable_device(chip->pci);
776
static int snd_emu10k1x_dev_free(struct snd_device *device)
778
struct emu10k1x *chip = device->device_data;
779
return snd_emu10k1x_free(chip);
782
static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id)
786
struct emu10k1x *chip = dev_id;
787
struct emu10k1x_voice *pvoice = chip->voices;
791
status = inl(chip->port + IPR);
797
if (status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) {
798
struct emu10k1x_voice *cap_voice = &chip->capture_voice;
800
snd_emu10k1x_pcm_interrupt(chip, cap_voice);
802
snd_emu10k1x_intr_disable(chip,
804
INTE_CAP_0_HALF_LOOP);
807
mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP;
808
for (i = 0; i < 3; i++) {
811
snd_emu10k1x_pcm_interrupt(chip, pvoice);
813
snd_emu10k1x_intr_disable(chip, mask);
819
if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) {
820
if (chip->midi.interrupt)
821
chip->midi.interrupt(chip, status);
823
snd_emu10k1x_intr_disable(chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE);
826
// acknowledge the interrupt if necessary
827
outl(status, chip->port + IPR);
829
// snd_printk(KERN_INFO "interrupt %08x\n", status);
833
static int __devinit snd_emu10k1x_pcm(struct emu10k1x *emu, int device, struct snd_pcm **rpcm)
844
if ((err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm)) < 0)
847
pcm->private_data = emu;
851
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
852
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1x_capture_ops);
856
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
863
strcpy(pcm->name, "EMU10K1X Front");
866
strcpy(pcm->name, "EMU10K1X Rear");
869
strcpy(pcm->name, "EMU10K1X Center/LFE");
874
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
875
snd_dma_pci_data(emu->pci),
884
static int __devinit snd_emu10k1x_create(struct snd_card *card,
886
struct emu10k1x **rchip)
888
struct emu10k1x *chip;
891
static struct snd_device_ops ops = {
892
.dev_free = snd_emu10k1x_dev_free,
897
if ((err = pci_enable_device(pci)) < 0)
899
if (pci_set_dma_mask(pci, DMA_BIT_MASK(28)) < 0 ||
900
pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 0) {
901
snd_printk(KERN_ERR "error to set 28bit mask DMA\n");
902
pci_disable_device(pci);
906
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
908
pci_disable_device(pci);
916
spin_lock_init(&chip->emu_lock);
917
spin_lock_init(&chip->voice_lock);
919
chip->port = pci_resource_start(pci, 0);
920
if ((chip->res_port = request_region(chip->port, 8,
921
"EMU10K1X")) == NULL) {
922
snd_printk(KERN_ERR "emu10k1x: cannot allocate the port 0x%lx\n", chip->port);
923
snd_emu10k1x_free(chip);
927
if (request_irq(pci->irq, snd_emu10k1x_interrupt,
928
IRQF_SHARED, KBUILD_MODNAME, chip)) {
929
snd_printk(KERN_ERR "emu10k1x: cannot grab irq %d\n", pci->irq);
930
snd_emu10k1x_free(chip);
933
chip->irq = pci->irq;
935
if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
936
4 * 1024, &chip->dma_buffer) < 0) {
937
snd_emu10k1x_free(chip);
942
/* read revision & serial */
943
chip->revision = pci->revision;
944
pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
945
pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
946
snd_printk(KERN_INFO "Model %04x Rev %08x Serial %08x\n", chip->model,
947
chip->revision, chip->serial);
949
outl(0, chip->port + INTE);
951
for(ch = 0; ch < 3; ch++) {
952
chip->voices[ch].emu = chip;
953
chip->voices[ch].number = ch;
957
* Init to 0x02109204 :
958
* Clock accuracy = 0 (1000ppm)
959
* Sample Rate = 2 (48kHz)
960
* Audio Channel = 1 (Left of 2)
961
* Source Number = 0 (Unspecified)
962
* Generation Status = 1 (Original for Cat Code 12)
963
* Cat Code = 12 (Digital Signal Mixer)
965
* Emphasis = 0 (None)
966
* CP = 1 (Copyright unasserted)
967
* AN = 0 (Audio data)
970
snd_emu10k1x_ptr_write(chip, SPCS0, 0,
971
chip->spdif_bits[0] =
972
SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
973
SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
974
SPCS_GENERATIONSTATUS | 0x00001200 |
975
0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
976
snd_emu10k1x_ptr_write(chip, SPCS1, 0,
977
chip->spdif_bits[1] =
978
SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
979
SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
980
SPCS_GENERATIONSTATUS | 0x00001200 |
981
0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
982
snd_emu10k1x_ptr_write(chip, SPCS2, 0,
983
chip->spdif_bits[2] =
984
SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
985
SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
986
SPCS_GENERATIONSTATUS | 0x00001200 |
987
0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
989
snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700); // disable SPDIF
990
snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F); // routing
991
snd_emu10k1x_gpio_write(chip, 0x1080); // analog mode
993
outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG);
995
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
997
snd_emu10k1x_free(chip);
1004
static void snd_emu10k1x_proc_reg_read(struct snd_info_entry *entry,
1005
struct snd_info_buffer *buffer)
1007
struct emu10k1x *emu = entry->private_data;
1008
unsigned long value,value1,value2;
1009
unsigned long flags;
1012
snd_iprintf(buffer, "Registers:\n\n");
1013
for(i = 0; i < 0x20; i+=4) {
1014
spin_lock_irqsave(&emu->emu_lock, flags);
1015
value = inl(emu->port + i);
1016
spin_unlock_irqrestore(&emu->emu_lock, flags);
1017
snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
1019
snd_iprintf(buffer, "\nRegisters\n\n");
1020
for(i = 0; i <= 0x48; i++) {
1021
value = snd_emu10k1x_ptr_read(emu, i, 0);
1022
if(i < 0x10 || (i >= 0x20 && i < 0x40)) {
1023
value1 = snd_emu10k1x_ptr_read(emu, i, 1);
1024
value2 = snd_emu10k1x_ptr_read(emu, i, 2);
1025
snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n", i, value, value1, value2);
1027
snd_iprintf(buffer, "%02X: %08lX\n", i, value);
1032
static void snd_emu10k1x_proc_reg_write(struct snd_info_entry *entry,
1033
struct snd_info_buffer *buffer)
1035
struct emu10k1x *emu = entry->private_data;
1037
unsigned int reg, channel_id , val;
1039
while (!snd_info_get_line(buffer, line, sizeof(line))) {
1040
if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3)
1043
if (reg < 0x49 && val <= 0xffffffff && channel_id <= 2)
1044
snd_emu10k1x_ptr_write(emu, reg, channel_id, val);
1048
static int __devinit snd_emu10k1x_proc_init(struct emu10k1x * emu)
1050
struct snd_info_entry *entry;
1052
if(! snd_card_proc_new(emu->card, "emu10k1x_regs", &entry)) {
1053
snd_info_set_text_ops(entry, emu, snd_emu10k1x_proc_reg_read);
1054
entry->c.text.write = snd_emu10k1x_proc_reg_write;
1055
entry->mode |= S_IWUSR;
1056
entry->private_data = emu;
1062
#define snd_emu10k1x_shared_spdif_info snd_ctl_boolean_mono_info
1064
static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol,
1065
struct snd_ctl_elem_value *ucontrol)
1067
struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1069
ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1;
1074
static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol,
1075
struct snd_ctl_elem_value *ucontrol)
1077
struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1081
val = ucontrol->value.integer.value[0] ;
1084
// enable spdif output
1085
snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x000);
1086
snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x700);
1087
snd_emu10k1x_gpio_write(emu, 0x1000);
1089
// disable spdif output
1090
snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x700);
1091
snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F);
1092
snd_emu10k1x_gpio_write(emu, 0x1080);
1097
static struct snd_kcontrol_new snd_emu10k1x_shared_spdif __devinitdata =
1099
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1100
.name = "Analog/Digital Output Jack",
1101
.info = snd_emu10k1x_shared_spdif_info,
1102
.get = snd_emu10k1x_shared_spdif_get,
1103
.put = snd_emu10k1x_shared_spdif_put
1106
static int snd_emu10k1x_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1108
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1113
static int snd_emu10k1x_spdif_get(struct snd_kcontrol *kcontrol,
1114
struct snd_ctl_elem_value *ucontrol)
1116
struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1117
unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1119
ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff;
1120
ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff;
1121
ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff;
1122
ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff;
1126
static int snd_emu10k1x_spdif_get_mask(struct snd_kcontrol *kcontrol,
1127
struct snd_ctl_elem_value *ucontrol)
1129
ucontrol->value.iec958.status[0] = 0xff;
1130
ucontrol->value.iec958.status[1] = 0xff;
1131
ucontrol->value.iec958.status[2] = 0xff;
1132
ucontrol->value.iec958.status[3] = 0xff;
1136
static int snd_emu10k1x_spdif_put(struct snd_kcontrol *kcontrol,
1137
struct snd_ctl_elem_value *ucontrol)
1139
struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1140
unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1144
val = (ucontrol->value.iec958.status[0] << 0) |
1145
(ucontrol->value.iec958.status[1] << 8) |
1146
(ucontrol->value.iec958.status[2] << 16) |
1147
(ucontrol->value.iec958.status[3] << 24);
1148
change = val != emu->spdif_bits[idx];
1150
snd_emu10k1x_ptr_write(emu, SPCS0 + idx, 0, val);
1151
emu->spdif_bits[idx] = val;
1156
static struct snd_kcontrol_new snd_emu10k1x_spdif_mask_control =
1158
.access = SNDRV_CTL_ELEM_ACCESS_READ,
1159
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
1160
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1162
.info = snd_emu10k1x_spdif_info,
1163
.get = snd_emu10k1x_spdif_get_mask
1166
static struct snd_kcontrol_new snd_emu10k1x_spdif_control =
1168
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
1169
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1171
.info = snd_emu10k1x_spdif_info,
1172
.get = snd_emu10k1x_spdif_get,
1173
.put = snd_emu10k1x_spdif_put
1176
static int __devinit snd_emu10k1x_mixer(struct emu10k1x *emu)
1179
struct snd_kcontrol *kctl;
1180
struct snd_card *card = emu->card;
1182
if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu)) == NULL)
1184
if ((err = snd_ctl_add(card, kctl)))
1186
if ((kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu)) == NULL)
1188
if ((err = snd_ctl_add(card, kctl)))
1190
if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu)) == NULL)
1192
if ((err = snd_ctl_add(card, kctl)))
1198
#define EMU10K1X_MIDI_MODE_INPUT (1<<0)
1199
#define EMU10K1X_MIDI_MODE_OUTPUT (1<<1)
1201
static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx)
1203
return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0);
1206
static inline void mpu401_write(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int data, int idx)
1208
snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data);
1211
#define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0)
1212
#define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1)
1213
#define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0)
1214
#define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1)
1216
#define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80))
1217
#define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40))
1219
#define MPU401_RESET 0xff
1220
#define MPU401_ENTER_UART 0x3f
1221
#define MPU401_ACK 0xfe
1223
static void mpu401_clear_rx(struct emu10k1x *emu, struct emu10k1x_midi *mpu)
1225
int timeout = 100000;
1226
for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--)
1227
mpu401_read_data(emu, mpu);
1228
#ifdef CONFIG_SND_DEBUG
1230
snd_printk(KERN_ERR "cmd: clear rx timeout (status = 0x%x)\n", mpu401_read_stat(emu, mpu));
1238
static void do_emu10k1x_midi_interrupt(struct emu10k1x *emu,
1239
struct emu10k1x_midi *midi, unsigned int status)
1243
if (midi->rmidi == NULL) {
1244
snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable);
1248
spin_lock(&midi->input_lock);
1249
if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) {
1250
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1251
mpu401_clear_rx(emu, midi);
1253
byte = mpu401_read_data(emu, midi);
1254
if (midi->substream_input)
1255
snd_rawmidi_receive(midi->substream_input, &byte, 1);
1258
spin_unlock(&midi->input_lock);
1260
spin_lock(&midi->output_lock);
1261
if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) {
1262
if (midi->substream_output &&
1263
snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) {
1264
mpu401_write_data(emu, midi, byte);
1266
snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1269
spin_unlock(&midi->output_lock);
1272
static void snd_emu10k1x_midi_interrupt(struct emu10k1x *emu, unsigned int status)
1274
do_emu10k1x_midi_interrupt(emu, &emu->midi, status);
1277
static int snd_emu10k1x_midi_cmd(struct emu10k1x * emu,
1278
struct emu10k1x_midi *midi, unsigned char cmd, int ack)
1280
unsigned long flags;
1283
spin_lock_irqsave(&midi->input_lock, flags);
1284
mpu401_write_data(emu, midi, 0x00);
1285
/* mpu401_clear_rx(emu, midi); */
1287
mpu401_write_cmd(emu, midi, cmd);
1291
while (!ok && timeout-- > 0) {
1292
if (mpu401_input_avail(emu, midi)) {
1293
if (mpu401_read_data(emu, midi) == MPU401_ACK)
1297
if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK)
1302
spin_unlock_irqrestore(&midi->input_lock, flags);
1304
snd_printk(KERN_ERR "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n",
1306
mpu401_read_stat(emu, midi),
1307
mpu401_read_data(emu, midi));
1313
static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream)
1315
struct emu10k1x *emu;
1316
struct emu10k1x_midi *midi = substream->rmidi->private_data;
1317
unsigned long flags;
1320
if (snd_BUG_ON(!emu))
1322
spin_lock_irqsave(&midi->open_lock, flags);
1323
midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT;
1324
midi->substream_input = substream;
1325
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
1326
spin_unlock_irqrestore(&midi->open_lock, flags);
1327
if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
1329
if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
1332
spin_unlock_irqrestore(&midi->open_lock, flags);
1340
static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream)
1342
struct emu10k1x *emu;
1343
struct emu10k1x_midi *midi = substream->rmidi->private_data;
1344
unsigned long flags;
1347
if (snd_BUG_ON(!emu))
1349
spin_lock_irqsave(&midi->open_lock, flags);
1350
midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT;
1351
midi->substream_output = substream;
1352
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1353
spin_unlock_irqrestore(&midi->open_lock, flags);
1354
if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
1356
if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
1359
spin_unlock_irqrestore(&midi->open_lock, flags);
1367
static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream)
1369
struct emu10k1x *emu;
1370
struct emu10k1x_midi *midi = substream->rmidi->private_data;
1371
unsigned long flags;
1375
if (snd_BUG_ON(!emu))
1377
spin_lock_irqsave(&midi->open_lock, flags);
1378
snd_emu10k1x_intr_disable(emu, midi->rx_enable);
1379
midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT;
1380
midi->substream_input = NULL;
1381
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
1382
spin_unlock_irqrestore(&midi->open_lock, flags);
1383
err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
1385
spin_unlock_irqrestore(&midi->open_lock, flags);
1390
static int snd_emu10k1x_midi_output_close(struct snd_rawmidi_substream *substream)
1392
struct emu10k1x *emu;
1393
struct emu10k1x_midi *midi = substream->rmidi->private_data;
1394
unsigned long flags;
1398
if (snd_BUG_ON(!emu))
1400
spin_lock_irqsave(&midi->open_lock, flags);
1401
snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1402
midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT;
1403
midi->substream_output = NULL;
1404
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1405
spin_unlock_irqrestore(&midi->open_lock, flags);
1406
err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
1408
spin_unlock_irqrestore(&midi->open_lock, flags);
1413
static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
1415
struct emu10k1x *emu;
1416
struct emu10k1x_midi *midi = substream->rmidi->private_data;
1418
if (snd_BUG_ON(!emu))
1422
snd_emu10k1x_intr_enable(emu, midi->rx_enable);
1424
snd_emu10k1x_intr_disable(emu, midi->rx_enable);
1427
static void snd_emu10k1x_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
1429
struct emu10k1x *emu;
1430
struct emu10k1x_midi *midi = substream->rmidi->private_data;
1431
unsigned long flags;
1434
if (snd_BUG_ON(!emu))
1441
/* try to send some amount of bytes here before interrupts */
1442
spin_lock_irqsave(&midi->output_lock, flags);
1444
if (mpu401_output_ready(emu, midi)) {
1445
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) ||
1446
snd_rawmidi_transmit(substream, &byte, 1) != 1) {
1448
spin_unlock_irqrestore(&midi->output_lock, flags);
1451
mpu401_write_data(emu, midi, byte);
1457
spin_unlock_irqrestore(&midi->output_lock, flags);
1458
snd_emu10k1x_intr_enable(emu, midi->tx_enable);
1460
snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1468
static struct snd_rawmidi_ops snd_emu10k1x_midi_output =
1470
.open = snd_emu10k1x_midi_output_open,
1471
.close = snd_emu10k1x_midi_output_close,
1472
.trigger = snd_emu10k1x_midi_output_trigger,
1475
static struct snd_rawmidi_ops snd_emu10k1x_midi_input =
1477
.open = snd_emu10k1x_midi_input_open,
1478
.close = snd_emu10k1x_midi_input_close,
1479
.trigger = snd_emu10k1x_midi_input_trigger,
1482
static void snd_emu10k1x_midi_free(struct snd_rawmidi *rmidi)
1484
struct emu10k1x_midi *midi = rmidi->private_data;
1485
midi->interrupt = NULL;
1489
static int __devinit emu10k1x_midi_init(struct emu10k1x *emu,
1490
struct emu10k1x_midi *midi, int device, char *name)
1492
struct snd_rawmidi *rmidi;
1495
if ((err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi)) < 0)
1498
spin_lock_init(&midi->open_lock);
1499
spin_lock_init(&midi->input_lock);
1500
spin_lock_init(&midi->output_lock);
1501
strcpy(rmidi->name, name);
1502
snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1x_midi_output);
1503
snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1x_midi_input);
1504
rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
1505
SNDRV_RAWMIDI_INFO_INPUT |
1506
SNDRV_RAWMIDI_INFO_DUPLEX;
1507
rmidi->private_data = midi;
1508
rmidi->private_free = snd_emu10k1x_midi_free;
1509
midi->rmidi = rmidi;
1513
static int __devinit snd_emu10k1x_midi(struct emu10k1x *emu)
1515
struct emu10k1x_midi *midi = &emu->midi;
1518
if ((err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)")) < 0)
1521
midi->tx_enable = INTE_MIDITXENABLE;
1522
midi->rx_enable = INTE_MIDIRXENABLE;
1523
midi->port = MUDATA;
1524
midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;
1525
midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;
1526
midi->interrupt = snd_emu10k1x_midi_interrupt;
1530
static int __devinit snd_emu10k1x_probe(struct pci_dev *pci,
1531
const struct pci_device_id *pci_id)
1534
struct snd_card *card;
1535
struct emu10k1x *chip;
1538
if (dev >= SNDRV_CARDS)
1545
err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
1549
if ((err = snd_emu10k1x_create(card, pci, &chip)) < 0) {
1550
snd_card_free(card);
1554
if ((err = snd_emu10k1x_pcm(chip, 0, NULL)) < 0) {
1555
snd_card_free(card);
1558
if ((err = snd_emu10k1x_pcm(chip, 1, NULL)) < 0) {
1559
snd_card_free(card);
1562
if ((err = snd_emu10k1x_pcm(chip, 2, NULL)) < 0) {
1563
snd_card_free(card);
1567
if ((err = snd_emu10k1x_ac97(chip)) < 0) {
1568
snd_card_free(card);
1572
if ((err = snd_emu10k1x_mixer(chip)) < 0) {
1573
snd_card_free(card);
1577
if ((err = snd_emu10k1x_midi(chip)) < 0) {
1578
snd_card_free(card);
1582
snd_emu10k1x_proc_init(chip);
1584
strcpy(card->driver, "EMU10K1X");
1585
strcpy(card->shortname, "Dell Sound Blaster Live!");
1586
sprintf(card->longname, "%s at 0x%lx irq %i",
1587
card->shortname, chip->port, chip->irq);
1589
snd_card_set_dev(card, &pci->dev);
1591
if ((err = snd_card_register(card)) < 0) {
1592
snd_card_free(card);
1596
pci_set_drvdata(pci, card);
1601
static void __devexit snd_emu10k1x_remove(struct pci_dev *pci)
1603
snd_card_free(pci_get_drvdata(pci));
1604
pci_set_drvdata(pci, NULL);
1608
static DEFINE_PCI_DEVICE_TABLE(snd_emu10k1x_ids) = {
1609
{ PCI_VDEVICE(CREATIVE, 0x0006), 0 }, /* Dell OEM version (EMU10K1) */
1612
MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids);
1614
// pci_driver definition
1615
static struct pci_driver driver = {
1616
.name = KBUILD_MODNAME,
1617
.id_table = snd_emu10k1x_ids,
1618
.probe = snd_emu10k1x_probe,
1619
.remove = __devexit_p(snd_emu10k1x_remove),
1622
// initialization of the module
1623
static int __init alsa_card_emu10k1x_init(void)
1625
return pci_register_driver(&driver);
1628
// clean up the module
1629
static void __exit alsa_card_emu10k1x_exit(void)
1631
pci_unregister_driver(&driver);
1634
module_init(alsa_card_emu10k1x_init)
1635
module_exit(alsa_card_emu10k1x_exit)