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1639 lines
47 KiB
1639 lines
47 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Copyright (c) by Francisco Moraes <[email protected]> |
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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 <[email protected]> |
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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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#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 <[email protected]>"); |
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MODULE_DESCRIPTION("EMU10K1X"); |
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MODULE_LICENSE("GPL"); |
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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 const 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 const 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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epcm = voice->epcm; |
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if (!epcm) |
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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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dev_info(emu->card->dev, |
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"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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err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); |
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if (err < 0) |
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return err; |
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err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64); |
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if (err < 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 0; |
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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 0; |
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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); |
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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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int i; |
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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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} |
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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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return 0; |
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} |
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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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int cmd) |
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{ |
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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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int result = 0; |
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|
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/* |
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dev_dbg(emu->card->dev, |
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"trigger - emu10k1x = 0x%x, cmd = %i, pointer = %d\n", |
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(int)emu, cmd, (int)substream->ops->pointer(substream)); |
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*/ |
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|
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switch (cmd) { |
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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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else |
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snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel); |
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epcm->running = 1; |
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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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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 const struct snd_pcm_ops snd_emu10k1x_playback_ops = { |
|
.open = snd_emu10k1x_playback_open, |
|
.close = snd_emu10k1x_playback_close, |
|
.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; |
|
|
|
err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); |
|
if (err < 0) |
|
return err; |
|
err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64); |
|
if (err < 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 0; |
|
} |
|
|
|
/* 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 0; |
|
} |
|
|
|
/* 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 const struct snd_pcm_ops snd_emu10k1x_capture_ops = { |
|
.open = snd_emu10k1x_pcm_open_capture, |
|
.close = snd_emu10k1x_pcm_close_capture, |
|
.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 const struct snd_ac97_bus_ops ops = { |
|
.write = snd_emu10k1x_ac97_write, |
|
.read = snd_emu10k1x_ac97_read, |
|
}; |
|
|
|
err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus); |
|
if (err < 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); |
|
|
|
/* dev_dbg(chip->card->dev, "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 *pcm; |
|
const struct snd_pcm_chmap_elem *map = NULL; |
|
int err; |
|
int capture = 0; |
|
|
|
if (device == 0) |
|
capture = 1; |
|
|
|
err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm); |
|
if (err < 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_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, |
|
&emu->pci->dev, 32*1024, 32*1024); |
|
|
|
return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, map, 2, |
|
1 << 2, NULL); |
|
} |
|
|
|
static int snd_emu10k1x_create(struct snd_card *card, |
|
struct pci_dev *pci, |
|
struct emu10k1x **rchip) |
|
{ |
|
struct emu10k1x *chip; |
|
int err; |
|
int ch; |
|
static const struct snd_device_ops ops = { |
|
.dev_free = snd_emu10k1x_dev_free, |
|
}; |
|
|
|
*rchip = NULL; |
|
|
|
err = pci_enable_device(pci); |
|
if (err < 0) |
|
return err; |
|
|
|
if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(28)) < 0) { |
|
dev_err(card->dev, "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); |
|
chip->res_port = request_region(chip->port, 8, "EMU10K1X"); |
|
if (!chip->res_port) { |
|
dev_err(card->dev, "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)) { |
|
dev_err(card->dev, "cannot grab irq %d\n", pci->irq); |
|
snd_emu10k1x_free(chip); |
|
return -EBUSY; |
|
} |
|
chip->irq = pci->irq; |
|
card->sync_irq = chip->irq; |
|
|
|
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev, |
|
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); |
|
dev_info(card->dev, "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); |
|
|
|
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); |
|
if (err < 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 && channel_id <= 2) |
|
snd_emu10k1x_ptr_write(emu, reg, channel_id, val); |
|
} |
|
} |
|
|
|
static int snd_emu10k1x_proc_init(struct emu10k1x *emu) |
|
{ |
|
snd_card_rw_proc_new(emu->card, "emu10k1x_regs", emu, |
|
snd_emu10k1x_proc_reg_read, |
|
snd_emu10k1x_proc_reg_write); |
|
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; |
|
|
|
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 0; |
|
} |
|
|
|
static const 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 const 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 const 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; |
|
|
|
kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu); |
|
if (!kctl) |
|
return -ENOMEM; |
|
err = snd_ctl_add(card, kctl); |
|
if (err) |
|
return err; |
|
kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu); |
|
if (!kctl) |
|
return -ENOMEM; |
|
err = snd_ctl_add(card, kctl); |
|
if (err) |
|
return err; |
|
kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu); |
|
if (!kctl) |
|
return -ENOMEM; |
|
err = snd_ctl_add(card, kctl); |
|
if (err) |
|
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) |
|
dev_err(emu->card->dev, |
|
"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) { |
|
dev_err(emu->card->dev, |
|
"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 const 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 const 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; |
|
|
|
err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi); |
|
if (err < 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; |
|
|
|
err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)"); |
|
if (err < 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_new(&pci->dev, index[dev], id[dev], THIS_MODULE, |
|
0, &card); |
|
if (err < 0) |
|
return err; |
|
|
|
err = snd_emu10k1x_create(card, pci, &chip); |
|
if (err < 0) { |
|
snd_card_free(card); |
|
return err; |
|
} |
|
|
|
err = snd_emu10k1x_pcm(chip, 0); |
|
if (err < 0) { |
|
snd_card_free(card); |
|
return err; |
|
} |
|
err = snd_emu10k1x_pcm(chip, 1); |
|
if (err < 0) { |
|
snd_card_free(card); |
|
return err; |
|
} |
|
err = snd_emu10k1x_pcm(chip, 2); |
|
if (err < 0) { |
|
snd_card_free(card); |
|
return err; |
|
} |
|
|
|
err = snd_emu10k1x_ac97(chip); |
|
if (err < 0) { |
|
snd_card_free(card); |
|
return err; |
|
} |
|
|
|
err = snd_emu10k1x_mixer(chip); |
|
if (err < 0) { |
|
snd_card_free(card); |
|
return err; |
|
} |
|
|
|
err = snd_emu10k1x_midi(chip); |
|
if (err < 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); |
|
|
|
err = snd_card_register(card); |
|
if (err < 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 const struct pci_device_id 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);
|
|
|