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Diffstat (limited to '')
| -rw-r--r-- | sound/pci/rme9652/hdsp.c | 5470 |
1 files changed, 5470 insertions, 0 deletions
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c new file mode 100644 index 000000000..65add92c8 --- /dev/null +++ b/sound/pci/rme9652/hdsp.c @@ -0,0 +1,5470 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * ALSA driver for RME Hammerfall DSP audio interface(s) + * + * Copyright (c) 2002 Paul Davis + * Marcus Andersson + * Thomas Charbonnel + */ + +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/firmware.h> +#include <linux/module.h> +#include <linux/math64.h> +#include <linux/vmalloc.h> +#include <linux/io.h> +#include <linux/nospec.h> + +#include <sound/core.h> +#include <sound/control.h> +#include <sound/pcm.h> +#include <sound/info.h> +#include <sound/asoundef.h> +#include <sound/rawmidi.h> +#include <sound/hwdep.h> +#include <sound/initval.h> +#include <sound/hdsp.h> + +#include <asm/byteorder.h> +#include <asm/current.h> + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for RME Hammerfall DSP interface."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for RME Hammerfall DSP interface."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable/disable specific Hammerfall DSP soundcards."); +MODULE_AUTHOR("Paul Davis <paul@linuxaudiosystems.com>, Marcus Andersson, Thomas Charbonnel <thomas@undata.org>"); +MODULE_DESCRIPTION("RME Hammerfall DSP"); +MODULE_LICENSE("GPL"); +MODULE_FIRMWARE("rpm_firmware.bin"); +MODULE_FIRMWARE("multiface_firmware.bin"); +MODULE_FIRMWARE("multiface_firmware_rev11.bin"); +MODULE_FIRMWARE("digiface_firmware.bin"); +MODULE_FIRMWARE("digiface_firmware_rev11.bin"); + +#define HDSP_MAX_CHANNELS 26 +#define HDSP_MAX_DS_CHANNELS 14 +#define HDSP_MAX_QS_CHANNELS 8 +#define DIGIFACE_SS_CHANNELS 26 +#define DIGIFACE_DS_CHANNELS 14 +#define MULTIFACE_SS_CHANNELS 18 +#define MULTIFACE_DS_CHANNELS 14 +#define H9652_SS_CHANNELS 26 +#define H9652_DS_CHANNELS 14 +/* This does not include possible Analog Extension Boards + AEBs are detected at card initialization +*/ +#define H9632_SS_CHANNELS 12 +#define H9632_DS_CHANNELS 8 +#define H9632_QS_CHANNELS 4 +#define RPM_CHANNELS 6 + +/* Write registers. These are defined as byte-offsets from the iobase value. + */ +#define HDSP_resetPointer 0 +#define HDSP_freqReg 0 +#define HDSP_outputBufferAddress 32 +#define HDSP_inputBufferAddress 36 +#define HDSP_controlRegister 64 +#define HDSP_interruptConfirmation 96 +#define HDSP_outputEnable 128 +#define HDSP_control2Reg 256 +#define HDSP_midiDataOut0 352 +#define HDSP_midiDataOut1 356 +#define HDSP_fifoData 368 +#define HDSP_inputEnable 384 + +/* Read registers. These are defined as byte-offsets from the iobase value + */ + +#define HDSP_statusRegister 0 +#define HDSP_timecode 128 +#define HDSP_status2Register 192 +#define HDSP_midiDataIn0 360 +#define HDSP_midiDataIn1 364 +#define HDSP_midiStatusOut0 384 +#define HDSP_midiStatusOut1 388 +#define HDSP_midiStatusIn0 392 +#define HDSP_midiStatusIn1 396 +#define HDSP_fifoStatus 400 + +/* the meters are regular i/o-mapped registers, but offset + considerably from the rest. the peak registers are reset + when read; the least-significant 4 bits are full-scale counters; + the actual peak value is in the most-significant 24 bits. +*/ + +#define HDSP_playbackPeakLevel 4096 /* 26 * 32 bit values */ +#define HDSP_inputPeakLevel 4224 /* 26 * 32 bit values */ +#define HDSP_outputPeakLevel 4352 /* (26+2) * 32 bit values */ +#define HDSP_playbackRmsLevel 4612 /* 26 * 64 bit values */ +#define HDSP_inputRmsLevel 4868 /* 26 * 64 bit values */ + + +/* This is for H9652 cards + Peak values are read downward from the base + Rms values are read upward + There are rms values for the outputs too + 26*3 values are read in ss mode + 14*3 in ds mode, with no gap between values +*/ +#define HDSP_9652_peakBase 7164 +#define HDSP_9652_rmsBase 4096 + +/* c.f. the hdsp_9632_meters_t struct */ +#define HDSP_9632_metersBase 4096 + +#define HDSP_IO_EXTENT 7168 + +/* control2 register bits */ + +#define HDSP_TMS 0x01 +#define HDSP_TCK 0x02 +#define HDSP_TDI 0x04 +#define HDSP_JTAG 0x08 +#define HDSP_PWDN 0x10 +#define HDSP_PROGRAM 0x020 +#define HDSP_CONFIG_MODE_0 0x040 +#define HDSP_CONFIG_MODE_1 0x080 +#define HDSP_VERSION_BIT (0x100 | HDSP_S_LOAD) +#define HDSP_BIGENDIAN_MODE 0x200 +#define HDSP_RD_MULTIPLE 0x400 +#define HDSP_9652_ENABLE_MIXER 0x800 +#define HDSP_S200 0x800 +#define HDSP_S300 (0x100 | HDSP_S200) /* dummy, purpose of 0x100 unknown */ +#define HDSP_CYCLIC_MODE 0x1000 +#define HDSP_TDO 0x10000000 + +#define HDSP_S_PROGRAM (HDSP_CYCLIC_MODE|HDSP_PROGRAM|HDSP_CONFIG_MODE_0) +#define HDSP_S_LOAD (HDSP_CYCLIC_MODE|HDSP_PROGRAM|HDSP_CONFIG_MODE_1) + +/* Control Register bits */ + +#define HDSP_Start (1<<0) /* start engine */ +#define HDSP_Latency0 (1<<1) /* buffer size = 2^n where n is defined by Latency{2,1,0} */ +#define HDSP_Latency1 (1<<2) /* [ see above ] */ +#define HDSP_Latency2 (1<<3) /* [ see above ] */ +#define HDSP_ClockModeMaster (1<<4) /* 1=Master, 0=Slave/Autosync */ +#define HDSP_AudioInterruptEnable (1<<5) /* what do you think ? */ +#define HDSP_Frequency0 (1<<6) /* 0=44.1kHz/88.2kHz/176.4kHz 1=48kHz/96kHz/192kHz */ +#define HDSP_Frequency1 (1<<7) /* 0=32kHz/64kHz/128kHz */ +#define HDSP_DoubleSpeed (1<<8) /* 0=normal speed, 1=double speed */ +#define HDSP_SPDIFProfessional (1<<9) /* 0=consumer, 1=professional */ +#define HDSP_SPDIFEmphasis (1<<10) /* 0=none, 1=on */ +#define HDSP_SPDIFNonAudio (1<<11) /* 0=off, 1=on */ +#define HDSP_SPDIFOpticalOut (1<<12) /* 1=use 1st ADAT connector for SPDIF, 0=do not */ +#define HDSP_SyncRef2 (1<<13) +#define HDSP_SPDIFInputSelect0 (1<<14) +#define HDSP_SPDIFInputSelect1 (1<<15) +#define HDSP_SyncRef0 (1<<16) +#define HDSP_SyncRef1 (1<<17) +#define HDSP_AnalogExtensionBoard (1<<18) /* For H9632 cards */ +#define HDSP_XLRBreakoutCable (1<<20) /* For H9632 cards */ +#define HDSP_Midi0InterruptEnable (1<<22) +#define HDSP_Midi1InterruptEnable (1<<23) +#define HDSP_LineOut (1<<24) +#define HDSP_ADGain0 (1<<25) /* From here : H9632 specific */ +#define HDSP_ADGain1 (1<<26) +#define HDSP_DAGain0 (1<<27) +#define HDSP_DAGain1 (1<<28) +#define HDSP_PhoneGain0 (1<<29) +#define HDSP_PhoneGain1 (1<<30) +#define HDSP_QuadSpeed (1<<31) + +/* RPM uses some of the registers for special purposes */ +#define HDSP_RPM_Inp12 0x04A00 +#define HDSP_RPM_Inp12_Phon_6dB 0x00800 /* Dolby */ +#define HDSP_RPM_Inp12_Phon_0dB 0x00000 /* .. */ +#define HDSP_RPM_Inp12_Phon_n6dB 0x04000 /* inp_0 */ +#define HDSP_RPM_Inp12_Line_0dB 0x04200 /* Dolby+PRO */ +#define HDSP_RPM_Inp12_Line_n6dB 0x00200 /* PRO */ + +#define HDSP_RPM_Inp34 0x32000 +#define HDSP_RPM_Inp34_Phon_6dB 0x20000 /* SyncRef1 */ +#define HDSP_RPM_Inp34_Phon_0dB 0x00000 /* .. */ +#define HDSP_RPM_Inp34_Phon_n6dB 0x02000 /* SyncRef2 */ +#define HDSP_RPM_Inp34_Line_0dB 0x30000 /* SyncRef1+SyncRef0 */ +#define HDSP_RPM_Inp34_Line_n6dB 0x10000 /* SyncRef0 */ + +#define HDSP_RPM_Bypass 0x01000 + +#define HDSP_RPM_Disconnect 0x00001 + +#define HDSP_ADGainMask (HDSP_ADGain0|HDSP_ADGain1) +#define HDSP_ADGainMinus10dBV HDSP_ADGainMask +#define HDSP_ADGainPlus4dBu (HDSP_ADGain0) +#define HDSP_ADGainLowGain 0 + +#define HDSP_DAGainMask (HDSP_DAGain0|HDSP_DAGain1) +#define HDSP_DAGainHighGain HDSP_DAGainMask +#define HDSP_DAGainPlus4dBu (HDSP_DAGain0) +#define HDSP_DAGainMinus10dBV 0 + +#define HDSP_PhoneGainMask (HDSP_PhoneGain0|HDSP_PhoneGain1) +#define HDSP_PhoneGain0dB HDSP_PhoneGainMask +#define HDSP_PhoneGainMinus6dB (HDSP_PhoneGain0) +#define HDSP_PhoneGainMinus12dB 0 + +#define HDSP_LatencyMask (HDSP_Latency0|HDSP_Latency1|HDSP_Latency2) +#define HDSP_FrequencyMask (HDSP_Frequency0|HDSP_Frequency1|HDSP_DoubleSpeed|HDSP_QuadSpeed) + +#define HDSP_SPDIFInputMask (HDSP_SPDIFInputSelect0|HDSP_SPDIFInputSelect1) +#define HDSP_SPDIFInputADAT1 0 +#define HDSP_SPDIFInputCoaxial (HDSP_SPDIFInputSelect0) +#define HDSP_SPDIFInputCdrom (HDSP_SPDIFInputSelect1) +#define HDSP_SPDIFInputAES (HDSP_SPDIFInputSelect0|HDSP_SPDIFInputSelect1) + +#define HDSP_SyncRefMask (HDSP_SyncRef0|HDSP_SyncRef1|HDSP_SyncRef2) +#define HDSP_SyncRef_ADAT1 0 +#define HDSP_SyncRef_ADAT2 (HDSP_SyncRef0) +#define HDSP_SyncRef_ADAT3 (HDSP_SyncRef1) +#define HDSP_SyncRef_SPDIF (HDSP_SyncRef0|HDSP_SyncRef1) +#define HDSP_SyncRef_WORD (HDSP_SyncRef2) +#define HDSP_SyncRef_ADAT_SYNC (HDSP_SyncRef0|HDSP_SyncRef2) + +/* Sample Clock Sources */ + +#define HDSP_CLOCK_SOURCE_AUTOSYNC 0 +#define HDSP_CLOCK_SOURCE_INTERNAL_32KHZ 1 +#define HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ 2 +#define HDSP_CLOCK_SOURCE_INTERNAL_48KHZ 3 +#define HDSP_CLOCK_SOURCE_INTERNAL_64KHZ 4 +#define HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ 5 +#define HDSP_CLOCK_SOURCE_INTERNAL_96KHZ 6 +#define HDSP_CLOCK_SOURCE_INTERNAL_128KHZ 7 +#define HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ 8 +#define HDSP_CLOCK_SOURCE_INTERNAL_192KHZ 9 + +/* Preferred sync reference choices - used by "pref_sync_ref" control switch */ + +#define HDSP_SYNC_FROM_WORD 0 +#define HDSP_SYNC_FROM_SPDIF 1 +#define HDSP_SYNC_FROM_ADAT1 2 +#define HDSP_SYNC_FROM_ADAT_SYNC 3 +#define HDSP_SYNC_FROM_ADAT2 4 +#define HDSP_SYNC_FROM_ADAT3 5 + +/* SyncCheck status */ + +#define HDSP_SYNC_CHECK_NO_LOCK 0 +#define HDSP_SYNC_CHECK_LOCK 1 +#define HDSP_SYNC_CHECK_SYNC 2 + +/* AutoSync references - used by "autosync_ref" control switch */ + +#define HDSP_AUTOSYNC_FROM_WORD 0 +#define HDSP_AUTOSYNC_FROM_ADAT_SYNC 1 +#define HDSP_AUTOSYNC_FROM_SPDIF 2 +#define HDSP_AUTOSYNC_FROM_NONE 3 +#define HDSP_AUTOSYNC_FROM_ADAT1 4 +#define HDSP_AUTOSYNC_FROM_ADAT2 5 +#define HDSP_AUTOSYNC_FROM_ADAT3 6 + +/* Possible sources of S/PDIF input */ + +#define HDSP_SPDIFIN_OPTICAL 0 /* optical (ADAT1) */ +#define HDSP_SPDIFIN_COAXIAL 1 /* coaxial (RCA) */ +#define HDSP_SPDIFIN_INTERNAL 2 /* internal (CDROM) */ +#define HDSP_SPDIFIN_AES 3 /* xlr for H9632 (AES)*/ + +#define HDSP_Frequency32KHz HDSP_Frequency0 +#define HDSP_Frequency44_1KHz HDSP_Frequency1 +#define HDSP_Frequency48KHz (HDSP_Frequency1|HDSP_Frequency0) +#define HDSP_Frequency64KHz (HDSP_DoubleSpeed|HDSP_Frequency0) +#define HDSP_Frequency88_2KHz (HDSP_DoubleSpeed|HDSP_Frequency1) +#define HDSP_Frequency96KHz (HDSP_DoubleSpeed|HDSP_Frequency1|HDSP_Frequency0) +/* For H9632 cards */ +#define HDSP_Frequency128KHz (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency0) +#define HDSP_Frequency176_4KHz (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency1) +#define HDSP_Frequency192KHz (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency1|HDSP_Frequency0) +/* RME says n = 104857600000000, but in the windows MADI driver, I see: + return 104857600000000 / rate; // 100 MHz + return 110100480000000 / rate; // 105 MHz +*/ +#define DDS_NUMERATOR 104857600000000ULL /* = 2^20 * 10^8 */ + +#define hdsp_encode_latency(x) (((x)<<1) & HDSP_LatencyMask) +#define hdsp_decode_latency(x) (((x) & HDSP_LatencyMask)>>1) + +#define hdsp_encode_spdif_in(x) (((x)&0x3)<<14) +#define hdsp_decode_spdif_in(x) (((x)>>14)&0x3) + +/* Status Register bits */ + +#define HDSP_audioIRQPending (1<<0) +#define HDSP_Lock2 (1<<1) /* this is for Digiface and H9652 */ +#define HDSP_spdifFrequency3 HDSP_Lock2 /* this is for H9632 only */ +#define HDSP_Lock1 (1<<2) +#define HDSP_Lock0 (1<<3) +#define HDSP_SPDIFSync (1<<4) +#define HDSP_TimecodeLock (1<<5) +#define HDSP_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */ +#define HDSP_Sync2 (1<<16) +#define HDSP_Sync1 (1<<17) +#define HDSP_Sync0 (1<<18) +#define HDSP_DoubleSpeedStatus (1<<19) +#define HDSP_ConfigError (1<<20) +#define HDSP_DllError (1<<21) +#define HDSP_spdifFrequency0 (1<<22) +#define HDSP_spdifFrequency1 (1<<23) +#define HDSP_spdifFrequency2 (1<<24) +#define HDSP_SPDIFErrorFlag (1<<25) +#define HDSP_BufferID (1<<26) +#define HDSP_TimecodeSync (1<<27) +#define HDSP_AEBO (1<<28) /* H9632 specific Analog Extension Boards */ +#define HDSP_AEBI (1<<29) /* 0 = present, 1 = absent */ +#define HDSP_midi0IRQPending (1<<30) +#define HDSP_midi1IRQPending (1<<31) + +#define HDSP_spdifFrequencyMask (HDSP_spdifFrequency0|HDSP_spdifFrequency1|HDSP_spdifFrequency2) +#define HDSP_spdifFrequencyMask_9632 (HDSP_spdifFrequency0|\ + HDSP_spdifFrequency1|\ + HDSP_spdifFrequency2|\ + HDSP_spdifFrequency3) + +#define HDSP_spdifFrequency32KHz (HDSP_spdifFrequency0) +#define HDSP_spdifFrequency44_1KHz (HDSP_spdifFrequency1) +#define HDSP_spdifFrequency48KHz (HDSP_spdifFrequency0|HDSP_spdifFrequency1) + +#define HDSP_spdifFrequency64KHz (HDSP_spdifFrequency2) +#define HDSP_spdifFrequency88_2KHz (HDSP_spdifFrequency0|HDSP_spdifFrequency2) +#define HDSP_spdifFrequency96KHz (HDSP_spdifFrequency2|HDSP_spdifFrequency1) + +/* This is for H9632 cards */ +#define HDSP_spdifFrequency128KHz (HDSP_spdifFrequency0|\ + HDSP_spdifFrequency1|\ + HDSP_spdifFrequency2) +#define HDSP_spdifFrequency176_4KHz HDSP_spdifFrequency3 +#define HDSP_spdifFrequency192KHz (HDSP_spdifFrequency3|HDSP_spdifFrequency0) + +/* Status2 Register bits */ + +#define HDSP_version0 (1<<0) +#define HDSP_version1 (1<<1) +#define HDSP_version2 (1<<2) +#define HDSP_wc_lock (1<<3) +#define HDSP_wc_sync (1<<4) +#define HDSP_inp_freq0 (1<<5) +#define HDSP_inp_freq1 (1<<6) +#define HDSP_inp_freq2 (1<<7) +#define HDSP_SelSyncRef0 (1<<8) +#define HDSP_SelSyncRef1 (1<<9) +#define HDSP_SelSyncRef2 (1<<10) + +#define HDSP_wc_valid (HDSP_wc_lock|HDSP_wc_sync) + +#define HDSP_systemFrequencyMask (HDSP_inp_freq0|HDSP_inp_freq1|HDSP_inp_freq2) +#define HDSP_systemFrequency32 (HDSP_inp_freq0) +#define HDSP_systemFrequency44_1 (HDSP_inp_freq1) +#define HDSP_systemFrequency48 (HDSP_inp_freq0|HDSP_inp_freq1) +#define HDSP_systemFrequency64 (HDSP_inp_freq2) +#define HDSP_systemFrequency88_2 (HDSP_inp_freq0|HDSP_inp_freq2) +#define HDSP_systemFrequency96 (HDSP_inp_freq1|HDSP_inp_freq2) +/* FIXME : more values for 9632 cards ? */ + +#define HDSP_SelSyncRefMask (HDSP_SelSyncRef0|HDSP_SelSyncRef1|HDSP_SelSyncRef2) +#define HDSP_SelSyncRef_ADAT1 0 +#define HDSP_SelSyncRef_ADAT2 (HDSP_SelSyncRef0) +#define HDSP_SelSyncRef_ADAT3 (HDSP_SelSyncRef1) +#define HDSP_SelSyncRef_SPDIF (HDSP_SelSyncRef0|HDSP_SelSyncRef1) +#define HDSP_SelSyncRef_WORD (HDSP_SelSyncRef2) +#define HDSP_SelSyncRef_ADAT_SYNC (HDSP_SelSyncRef0|HDSP_SelSyncRef2) + +/* Card state flags */ + +#define HDSP_InitializationComplete (1<<0) +#define HDSP_FirmwareLoaded (1<<1) +#define HDSP_FirmwareCached (1<<2) + +/* FIFO wait times, defined in terms of 1/10ths of msecs */ + +#define HDSP_LONG_WAIT 5000 +#define HDSP_SHORT_WAIT 30 + +#define UNITY_GAIN 32768 +#define MINUS_INFINITY_GAIN 0 + +/* the size of a substream (1 mono data stream) */ + +#define HDSP_CHANNEL_BUFFER_SAMPLES (16*1024) +#define HDSP_CHANNEL_BUFFER_BYTES (4*HDSP_CHANNEL_BUFFER_SAMPLES) + +/* the size of the area we need to allocate for DMA transfers. the + size is the same regardless of the number of channels - the + Multiface still uses the same memory area. + + Note that we allocate 1 more channel than is apparently needed + because the h/w seems to write 1 byte beyond the end of the last + page. Sigh. +*/ + +#define HDSP_DMA_AREA_BYTES ((HDSP_MAX_CHANNELS+1) * HDSP_CHANNEL_BUFFER_BYTES) +#define HDSP_DMA_AREA_KILOBYTES (HDSP_DMA_AREA_BYTES/1024) + +#define HDSP_FIRMWARE_SIZE (24413 * 4) + +struct hdsp_9632_meters { + u32 input_peak[16]; + u32 playback_peak[16]; + u32 output_peak[16]; + u32 xxx_peak[16]; + u32 padding[64]; + u32 input_rms_low[16]; + u32 playback_rms_low[16]; + u32 output_rms_low[16]; + u32 xxx_rms_low[16]; + u32 input_rms_high[16]; + u32 playback_rms_high[16]; + u32 output_rms_high[16]; + u32 xxx_rms_high[16]; +}; + +struct hdsp_midi { + struct hdsp *hdsp; + int id; + struct snd_rawmidi *rmidi; + struct snd_rawmidi_substream *input; + struct snd_rawmidi_substream *output; + signed char istimer; /* timer in use */ + struct timer_list timer; + spinlock_t lock; + int pending; +}; + +struct hdsp { + spinlock_t lock; + struct snd_pcm_substream *capture_substream; + struct snd_pcm_substream *playback_substream; + struct hdsp_midi midi[2]; + struct work_struct midi_work; + int use_midi_work; + int precise_ptr; + u32 control_register; /* cached value */ + u32 control2_register; /* cached value */ + u32 creg_spdif; + u32 creg_spdif_stream; + int clock_source_locked; + char *card_name; /* digiface/multiface/rpm */ + enum HDSP_IO_Type io_type; /* ditto, but for code use */ + unsigned short firmware_rev; + unsigned short state; /* stores state bits */ + const struct firmware *firmware; + u32 *fw_uploaded; + size_t period_bytes; /* guess what this is */ + unsigned char max_channels; + unsigned char qs_in_channels; /* quad speed mode for H9632 */ + unsigned char ds_in_channels; + unsigned char ss_in_channels; /* different for multiface/digiface */ + unsigned char qs_out_channels; + unsigned char ds_out_channels; + unsigned char ss_out_channels; + u32 io_loopback; /* output loopback channel states*/ + + /* DMA buffers; those are copied instances from the original snd_dma_buf + * objects (which are managed via devres) for the address alignments + */ + struct snd_dma_buffer capture_dma_buf; + struct snd_dma_buffer playback_dma_buf; + unsigned char *capture_buffer; /* suitably aligned address */ + unsigned char *playback_buffer; /* suitably aligned address */ + + pid_t capture_pid; + pid_t playback_pid; + int running; + int system_sample_rate; + const signed char *channel_map; + int dev; + int irq; + unsigned long port; + void __iomem *iobase; + struct snd_card *card; + struct snd_pcm *pcm; + struct snd_hwdep *hwdep; + struct pci_dev *pci; + struct snd_kcontrol *spdif_ctl; + unsigned short mixer_matrix[HDSP_MATRIX_MIXER_SIZE]; + unsigned int dds_value; /* last value written to freq register */ +}; + +/* These tables map the ALSA channels 1..N to the channels that we + need to use in order to find the relevant channel buffer. RME + refer to this kind of mapping as between "the ADAT channel and + the DMA channel." We index it using the logical audio channel, + and the value is the DMA channel (i.e. channel buffer number) + where the data for that channel can be read/written from/to. +*/ + +static const signed char channel_map_df_ss[HDSP_MAX_CHANNELS] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, + 18, 19, 20, 21, 22, 23, 24, 25 +}; + +static const char channel_map_mf_ss[HDSP_MAX_CHANNELS] = { /* Multiface */ + /* Analog */ + 0, 1, 2, 3, 4, 5, 6, 7, + /* ADAT 2 */ + 16, 17, 18, 19, 20, 21, 22, 23, + /* SPDIF */ + 24, 25, + -1, -1, -1, -1, -1, -1, -1, -1 +}; + +static const signed char channel_map_ds[HDSP_MAX_CHANNELS] = { + /* ADAT channels are remapped */ + 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, + /* channels 12 and 13 are S/PDIF */ + 24, 25, + /* others don't exist */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 +}; + +static const signed char channel_map_H9632_ss[HDSP_MAX_CHANNELS] = { + /* ADAT channels */ + 0, 1, 2, 3, 4, 5, 6, 7, + /* SPDIF */ + 8, 9, + /* Analog */ + 10, 11, + /* AO4S-192 and AI4S-192 extension boards */ + 12, 13, 14, 15, + /* others don't exist */ + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1 +}; + +static const signed char channel_map_H9632_ds[HDSP_MAX_CHANNELS] = { + /* ADAT */ + 1, 3, 5, 7, + /* SPDIF */ + 8, 9, + /* Analog */ + 10, 11, + /* AO4S-192 and AI4S-192 extension boards */ + 12, 13, 14, 15, + /* others don't exist */ + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1 +}; + +static const signed char channel_map_H9632_qs[HDSP_MAX_CHANNELS] = { + /* ADAT is disabled in this mode */ + /* SPDIF */ + 8, 9, + /* Analog */ + 10, 11, + /* AO4S-192 and AI4S-192 extension boards */ + 12, 13, 14, 15, + /* others don't exist */ + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1 +}; + +static struct snd_dma_buffer * +snd_hammerfall_get_buffer(struct pci_dev *pci, size_t size) +{ + return snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV, size); +} + +static const struct pci_device_id snd_hdsp_ids[] = { + { + .vendor = PCI_VENDOR_ID_XILINX, + .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, /* RME Hammerfall-DSP */ + { 0, }, +}; + +MODULE_DEVICE_TABLE(pci, snd_hdsp_ids); + +/* prototypes */ +static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp); +static int snd_hdsp_create_pcm(struct snd_card *card, struct hdsp *hdsp); +static int snd_hdsp_enable_io (struct hdsp *hdsp); +static void snd_hdsp_initialize_midi_flush (struct hdsp *hdsp); +static void snd_hdsp_initialize_channels (struct hdsp *hdsp); +static int hdsp_fifo_wait(struct hdsp *hdsp, int count, int timeout); +static int hdsp_autosync_ref(struct hdsp *hdsp); +static int snd_hdsp_set_defaults(struct hdsp *hdsp); +static void snd_hdsp_9652_enable_mixer (struct hdsp *hdsp); + +static int hdsp_playback_to_output_key (struct hdsp *hdsp, int in, int out) +{ + switch (hdsp->io_type) { + case Multiface: + case Digiface: + case RPM: + default: + if (hdsp->firmware_rev == 0xa) + return (64 * out) + (32 + (in)); + else + return (52 * out) + (26 + (in)); + case H9632: + return (32 * out) + (16 + (in)); + case H9652: + return (52 * out) + (26 + (in)); + } +} + +static int hdsp_input_to_output_key (struct hdsp *hdsp, int in, int out) +{ + switch (hdsp->io_type) { + case Multiface: + case Digiface: + case RPM: + default: + if (hdsp->firmware_rev == 0xa) + return (64 * out) + in; + else + return (52 * out) + in; + case H9632: + return (32 * out) + in; + case H9652: + return (52 * out) + in; + } +} + +static void hdsp_write(struct hdsp *hdsp, int reg, int val) +{ + writel(val, hdsp->iobase + reg); +} + +static unsigned int hdsp_read(struct hdsp *hdsp, int reg) +{ + return readl (hdsp->iobase + reg); +} + +static int hdsp_check_for_iobox (struct hdsp *hdsp) +{ + int i; + + if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return 0; + for (i = 0; i < 500; i++) { + if (0 == (hdsp_read(hdsp, HDSP_statusRegister) & + HDSP_ConfigError)) { + if (i) { + dev_dbg(hdsp->card->dev, + "IO box found after %d ms\n", + (20 * i)); + } + return 0; + } + msleep(20); + } + dev_err(hdsp->card->dev, "no IO box connected!\n"); + hdsp->state &= ~HDSP_FirmwareLoaded; + return -EIO; +} + +static int hdsp_wait_for_iobox(struct hdsp *hdsp, unsigned int loops, + unsigned int delay) +{ + unsigned int i; + + if (hdsp->io_type == H9652 || hdsp->io_type == H9632) + return 0; + + for (i = 0; i != loops; ++i) { + if (hdsp_read(hdsp, HDSP_statusRegister) & HDSP_ConfigError) + msleep(delay); + else { + dev_dbg(hdsp->card->dev, "iobox found after %ums!\n", + i * delay); + return 0; + } + } + + dev_info(hdsp->card->dev, "no IO box connected!\n"); + hdsp->state &= ~HDSP_FirmwareLoaded; + return -EIO; +} + +static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) { + + int i; + unsigned long flags; + const u32 *cache; + + if (hdsp->fw_uploaded) + cache = hdsp->fw_uploaded; + else { + if (!hdsp->firmware) + return -ENODEV; + cache = (u32 *)hdsp->firmware->data; + if (!cache) + return -ENODEV; + } + + if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) { + + dev_info(hdsp->card->dev, "loading firmware\n"); + + hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_PROGRAM); + hdsp_write (hdsp, HDSP_fifoData, 0); + + if (hdsp_fifo_wait (hdsp, 0, HDSP_LONG_WAIT)) { + dev_info(hdsp->card->dev, + "timeout waiting for download preparation\n"); + hdsp_write(hdsp, HDSP_control2Reg, HDSP_S200); + return -EIO; + } + + hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD); + + for (i = 0; i < HDSP_FIRMWARE_SIZE / 4; ++i) { + hdsp_write(hdsp, HDSP_fifoData, cache[i]); + if (hdsp_fifo_wait (hdsp, 127, HDSP_LONG_WAIT)) { + dev_info(hdsp->card->dev, + "timeout during firmware loading\n"); + hdsp_write(hdsp, HDSP_control2Reg, HDSP_S200); + return -EIO; + } + } + + hdsp_fifo_wait(hdsp, 3, HDSP_LONG_WAIT); + hdsp_write(hdsp, HDSP_control2Reg, HDSP_S200); + + ssleep(3); +#ifdef SNDRV_BIG_ENDIAN + hdsp->control2_register = HDSP_BIGENDIAN_MODE; +#else + hdsp->control2_register = 0; +#endif + hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register); + dev_info(hdsp->card->dev, "finished firmware loading\n"); + + } + if (hdsp->state & HDSP_InitializationComplete) { + dev_info(hdsp->card->dev, + "firmware loaded from cache, restoring defaults\n"); + spin_lock_irqsave(&hdsp->lock, flags); + snd_hdsp_set_defaults(hdsp); + spin_unlock_irqrestore(&hdsp->lock, flags); + } + + hdsp->state |= HDSP_FirmwareLoaded; + + return 0; +} + +static int hdsp_get_iobox_version (struct hdsp *hdsp) +{ + if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) { + + hdsp_write(hdsp, HDSP_control2Reg, HDSP_S_LOAD); + hdsp_write(hdsp, HDSP_fifoData, 0); + + if (hdsp_fifo_wait(hdsp, 0, HDSP_SHORT_WAIT) < 0) { + hdsp_write(hdsp, HDSP_control2Reg, HDSP_S300); + hdsp_write(hdsp, HDSP_control2Reg, HDSP_S_LOAD); + } + + hdsp_write(hdsp, HDSP_control2Reg, HDSP_S200 | HDSP_PROGRAM); + hdsp_write (hdsp, HDSP_fifoData, 0); + if (hdsp_fifo_wait(hdsp, 0, HDSP_SHORT_WAIT) < 0) + goto set_multi; + + hdsp_write(hdsp, HDSP_control2Reg, HDSP_S_LOAD); + hdsp_write(hdsp, HDSP_fifoData, 0); + if (hdsp_fifo_wait(hdsp, 0, HDSP_SHORT_WAIT) == 0) { + hdsp->io_type = Digiface; + dev_info(hdsp->card->dev, "Digiface found\n"); + return 0; + } + + hdsp_write(hdsp, HDSP_control2Reg, HDSP_S300); + hdsp_write(hdsp, HDSP_control2Reg, HDSP_S_LOAD); + hdsp_write(hdsp, HDSP_fifoData, 0); + if (hdsp_fifo_wait(hdsp, 0, HDSP_SHORT_WAIT) == 0) + goto set_multi; + + hdsp_write(hdsp, HDSP_control2Reg, HDSP_S300); + hdsp_write(hdsp, HDSP_control2Reg, HDSP_S_LOAD); + hdsp_write(hdsp, HDSP_fifoData, 0); + if (hdsp_fifo_wait(hdsp, 0, HDSP_SHORT_WAIT) < 0) + goto set_multi; + + hdsp->io_type = RPM; + dev_info(hdsp->card->dev, "RPM found\n"); + return 0; + } else { + /* firmware was already loaded, get iobox type */ + if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version2) + hdsp->io_type = RPM; + else if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version1) + hdsp->io_type = Multiface; + else + hdsp->io_type = Digiface; + } + return 0; + +set_multi: + hdsp->io_type = Multiface; + dev_info(hdsp->card->dev, "Multiface found\n"); + return 0; +} + + +static int hdsp_request_fw_loader(struct hdsp *hdsp); + +static int hdsp_check_for_firmware (struct hdsp *hdsp, int load_on_demand) +{ + if (hdsp->io_type == H9652 || hdsp->io_type == H9632) + return 0; + if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) { + hdsp->state &= ~HDSP_FirmwareLoaded; + if (! load_on_demand) + return -EIO; + dev_err(hdsp->card->dev, "firmware not present.\n"); + /* try to load firmware */ + if (! (hdsp->state & HDSP_FirmwareCached)) { + if (! hdsp_request_fw_loader(hdsp)) + return 0; + dev_err(hdsp->card->dev, + "No firmware loaded nor cached, please upload firmware.\n"); + return -EIO; + } + if (snd_hdsp_load_firmware_from_cache(hdsp) != 0) { + dev_err(hdsp->card->dev, + "Firmware loading from cache failed, please upload manually.\n"); + return -EIO; + } + } + return 0; +} + + +static int hdsp_fifo_wait(struct hdsp *hdsp, int count, int timeout) +{ + int i; + + /* the fifoStatus registers reports on how many words + are available in the command FIFO. + */ + + for (i = 0; i < timeout; i++) { + + if ((int)(hdsp_read (hdsp, HDSP_fifoStatus) & 0xff) <= count) + return 0; + + /* not very friendly, but we only do this during a firmware + load and changing the mixer, so we just put up with it. + */ + + udelay (100); + } + + dev_warn(hdsp->card->dev, + "wait for FIFO status <= %d failed after %d iterations\n", + count, timeout); + return -1; +} + +static int hdsp_read_gain (struct hdsp *hdsp, unsigned int addr) +{ + if (addr >= HDSP_MATRIX_MIXER_SIZE) + return 0; + + return hdsp->mixer_matrix[addr]; +} + +static int hdsp_write_gain(struct hdsp *hdsp, unsigned int addr, unsigned short data) +{ + unsigned int ad; + + if (addr >= HDSP_MATRIX_MIXER_SIZE) + return -1; + + if (hdsp->io_type == H9652 || hdsp->io_type == H9632) { + + /* from martin bjornsen: + + "You can only write dwords to the + mixer memory which contain two + mixer values in the low and high + word. So if you want to change + value 0 you have to read value 1 + from the cache and write both to + the first dword in the mixer + memory." + */ + + if (hdsp->io_type == H9632 && addr >= 512) + return 0; + + if (hdsp->io_type == H9652 && addr >= 1352) + return 0; + + hdsp->mixer_matrix[addr] = data; + + + /* `addr' addresses a 16-bit wide address, but + the address space accessed via hdsp_write + uses byte offsets. put another way, addr + varies from 0 to 1351, but to access the + corresponding memory location, we need + to access 0 to 2703 ... + */ + ad = addr/2; + + hdsp_write (hdsp, 4096 + (ad*4), + (hdsp->mixer_matrix[(addr&0x7fe)+1] << 16) + + hdsp->mixer_matrix[addr&0x7fe]); + + return 0; + + } else { + + ad = (addr << 16) + data; + + if (hdsp_fifo_wait(hdsp, 127, HDSP_LONG_WAIT)) + return -1; + + hdsp_write (hdsp, HDSP_fifoData, ad); + hdsp->mixer_matrix[addr] = data; + + } + + return 0; +} + +static int snd_hdsp_use_is_exclusive(struct hdsp *hdsp) +{ + unsigned long flags; + int ret = 1; + + spin_lock_irqsave(&hdsp->lock, flags); + if ((hdsp->playback_pid != hdsp->capture_pid) && + (hdsp->playback_pid >= 0) && (hdsp->capture_pid >= 0)) + ret = 0; + spin_unlock_irqrestore(&hdsp->lock, flags); + return ret; +} + +static int hdsp_spdif_sample_rate(struct hdsp *hdsp) +{ + unsigned int status = hdsp_read(hdsp, HDSP_statusRegister); + unsigned int rate_bits = (status & HDSP_spdifFrequencyMask); + + /* For the 9632, the mask is different */ + if (hdsp->io_type == H9632) + rate_bits = (status & HDSP_spdifFrequencyMask_9632); + + if (status & HDSP_SPDIFErrorFlag) + return 0; + + switch (rate_bits) { + case HDSP_spdifFrequency32KHz: return 32000; + case HDSP_spdifFrequency44_1KHz: return 44100; + case HDSP_spdifFrequency48KHz: return 48000; + case HDSP_spdifFrequency64KHz: return 64000; + case HDSP_spdifFrequency88_2KHz: return 88200; + case HDSP_spdifFrequency96KHz: return 96000; + case HDSP_spdifFrequency128KHz: + if (hdsp->io_type == H9632) return 128000; + break; + case HDSP_spdifFrequency176_4KHz: + if (hdsp->io_type == H9632) return 176400; + break; + case HDSP_spdifFrequency192KHz: + if (hdsp->io_type == H9632) return 192000; + break; + default: + break; + } + dev_warn(hdsp->card->dev, + "unknown spdif frequency status; bits = 0x%x, status = 0x%x\n", + rate_bits, status); + return 0; +} + +static int hdsp_external_sample_rate(struct hdsp *hdsp) +{ + unsigned int status2 = hdsp_read(hdsp, HDSP_status2Register); + unsigned int rate_bits = status2 & HDSP_systemFrequencyMask; + + /* For the 9632 card, there seems to be no bit for indicating external + * sample rate greater than 96kHz. The card reports the corresponding + * single speed. So the best means seems to get spdif rate when + * autosync reference is spdif */ + if (hdsp->io_type == H9632 && + hdsp_autosync_ref(hdsp) == HDSP_AUTOSYNC_FROM_SPDIF) + return hdsp_spdif_sample_rate(hdsp); + + switch (rate_bits) { + case HDSP_systemFrequency32: return 32000; + case HDSP_systemFrequency44_1: return 44100; + case HDSP_systemFrequency48: return 48000; + case HDSP_systemFrequency64: return 64000; + case HDSP_systemFrequency88_2: return 88200; + case HDSP_systemFrequency96: return 96000; + default: + return 0; + } +} + +static void hdsp_compute_period_size(struct hdsp *hdsp) +{ + hdsp->period_bytes = 1 << ((hdsp_decode_latency(hdsp->control_register) + 8)); +} + +static snd_pcm_uframes_t hdsp_hw_pointer(struct hdsp *hdsp) +{ + int position; + + position = hdsp_read(hdsp, HDSP_statusRegister); + + if (!hdsp->precise_ptr) + return (position & HDSP_BufferID) ? (hdsp->period_bytes / 4) : 0; + + position &= HDSP_BufferPositionMask; + position /= 4; + position &= (hdsp->period_bytes/2) - 1; + return position; +} + +static void hdsp_reset_hw_pointer(struct hdsp *hdsp) +{ + hdsp_write (hdsp, HDSP_resetPointer, 0); + if (hdsp->io_type == H9632 && hdsp->firmware_rev >= 152) + /* HDSP_resetPointer = HDSP_freqReg, which is strange and + * requires (?) to write again DDS value after a reset pointer + * (at least, it works like this) */ + hdsp_write (hdsp, HDSP_freqReg, hdsp->dds_value); +} + +static void hdsp_start_audio(struct hdsp *s) +{ + s->control_register |= (HDSP_AudioInterruptEnable | HDSP_Start); + hdsp_write(s, HDSP_controlRegister, s->control_register); +} + +static void hdsp_stop_audio(struct hdsp *s) +{ + s->control_register &= ~(HDSP_Start | HDSP_AudioInterruptEnable); + hdsp_write(s, HDSP_controlRegister, s->control_register); +} + +static void hdsp_silence_playback(struct hdsp *hdsp) +{ + memset(hdsp->playback_buffer, 0, HDSP_DMA_AREA_BYTES); +} + +static int hdsp_set_interrupt_interval(struct hdsp *s, unsigned int frames) +{ + int n; + + spin_lock_irq(&s->lock); + + frames >>= 7; + n = 0; + while (frames) { + n++; + frames >>= 1; + } + + s->control_register &= ~HDSP_LatencyMask; + s->control_register |= hdsp_encode_latency(n); + + hdsp_write(s, HDSP_controlRegister, s->control_register); + + hdsp_compute_period_size(s); + + spin_unlock_irq(&s->lock); + + return 0; +} + +static void hdsp_set_dds_value(struct hdsp *hdsp, int rate) +{ + u64 n; + + if (rate >= 112000) + rate /= 4; + else if (rate >= 56000) + rate /= 2; + + n = DDS_NUMERATOR; + n = div_u64(n, rate); + /* n should be less than 2^32 for being written to FREQ register */ + snd_BUG_ON(n >> 32); + /* HDSP_freqReg and HDSP_resetPointer are the same, so keep the DDS + value to write it after a reset */ + hdsp->dds_value = n; + hdsp_write(hdsp, HDSP_freqReg, hdsp->dds_value); +} + +static int hdsp_set_rate(struct hdsp *hdsp, int rate, int called_internally) +{ + int reject_if_open = 0; + int current_rate; + int rate_bits; + + /* ASSUMPTION: hdsp->lock is either held, or + there is no need for it (e.g. during module + initialization). + */ + + if (!(hdsp->control_register & HDSP_ClockModeMaster)) { + if (called_internally) { + /* request from ctl or card initialization */ + dev_err(hdsp->card->dev, + "device is not running as a clock master: cannot set sample rate.\n"); + return -1; + } else { + /* hw_param request while in AutoSync mode */ + int external_freq = hdsp_external_sample_rate(hdsp); + int spdif_freq = hdsp_spdif_sample_rate(hdsp); + + if ((spdif_freq == external_freq*2) && (hdsp_autosync_ref(hdsp) >= HDSP_AUTOSYNC_FROM_ADAT1)) + dev_info(hdsp->card->dev, + "Detected ADAT in double speed mode\n"); + else if (hdsp->io_type == H9632 && (spdif_freq == external_freq*4) && (hdsp_autosync_ref(hdsp) >= HDSP_AUTOSYNC_FROM_ADAT1)) + dev_info(hdsp->card->dev, + "Detected ADAT in quad speed mode\n"); + else if (rate != external_freq) { + dev_info(hdsp->card->dev, + "No AutoSync source for requested rate\n"); + return -1; + } + } + } + + current_rate = hdsp->system_sample_rate; + + /* Changing from a "single speed" to a "double speed" rate is + not allowed if any substreams are open. This is because + such a change causes a shift in the location of + the DMA buffers and a reduction in the number of available + buffers. + + Note that a similar but essentially insoluble problem + exists for externally-driven rate changes. All we can do + is to flag rate changes in the read/write routines. */ + + if (rate > 96000 && hdsp->io_type != H9632) + return -EINVAL; + + switch (rate) { + case 32000: + if (current_rate > 48000) + reject_if_open = 1; + rate_bits = HDSP_Frequency32KHz; + break; + case 44100: + if (current_rate > 48000) + reject_if_open = 1; + rate_bits = HDSP_Frequency44_1KHz; + break; + case 48000: + if (current_rate > 48000) + reject_if_open = 1; + rate_bits = HDSP_Frequency48KHz; + break; + case 64000: + if (current_rate <= 48000 || current_rate > 96000) + reject_if_open = 1; + rate_bits = HDSP_Frequency64KHz; + break; + case 88200: + if (current_rate <= 48000 || current_rate > 96000) + reject_if_open = 1; + rate_bits = HDSP_Frequency88_2KHz; + break; + case 96000: + if (current_rate <= 48000 || current_rate > 96000) + reject_if_open = 1; + rate_bits = HDSP_Frequency96KHz; + break; + case 128000: + if (current_rate < 128000) + reject_if_open = 1; + rate_bits = HDSP_Frequency128KHz; + break; + case 176400: + if (current_rate < 128000) + reject_if_open = 1; + rate_bits = HDSP_Frequency176_4KHz; + break; + case 192000: + if (current_rate < 128000) + reject_if_open = 1; + rate_bits = HDSP_Frequency192KHz; + break; + default: + return -EINVAL; + } + + if (reject_if_open && (hdsp->capture_pid >= 0 || hdsp->playback_pid >= 0)) { + dev_warn(hdsp->card->dev, + "cannot change speed mode (capture PID = %d, playback PID = %d)\n", + hdsp->capture_pid, + hdsp->playback_pid); + return -EBUSY; + } + + hdsp->control_register &= ~HDSP_FrequencyMask; + hdsp->control_register |= rate_bits; + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + + /* For HDSP9632 rev 152, need to set DDS value in FREQ register */ + if (hdsp->io_type == H9632 && hdsp->firmware_rev >= 152) + hdsp_set_dds_value(hdsp, rate); + + if (rate >= 128000) { + hdsp->channel_map = channel_map_H9632_qs; + } else if (rate > 48000) { + if (hdsp->io_type == H9632) + hdsp->channel_map = channel_map_H9632_ds; + else + hdsp->channel_map = channel_map_ds; + } else { + switch (hdsp->io_type) { + case RPM: + case Multiface: + hdsp->channel_map = channel_map_mf_ss; + break; + case Digiface: + case H9652: + hdsp->channel_map = channel_map_df_ss; + break; + case H9632: + hdsp->channel_map = channel_map_H9632_ss; + break; + default: + /* should never happen */ + break; + } + } + + hdsp->system_sample_rate = rate; + + return 0; +} + +/*---------------------------------------------------------------------------- + MIDI + ----------------------------------------------------------------------------*/ + +static unsigned char snd_hdsp_midi_read_byte (struct hdsp *hdsp, int id) +{ + /* the hardware already does the relevant bit-mask with 0xff */ + if (id) + return hdsp_read(hdsp, HDSP_midiDataIn1); + else + return hdsp_read(hdsp, HDSP_midiDataIn0); +} + +static void snd_hdsp_midi_write_byte (struct hdsp *hdsp, int id, int val) +{ + /* the hardware already does the relevant bit-mask with 0xff */ + if (id) + hdsp_write(hdsp, HDSP_midiDataOut1, val); + else + hdsp_write(hdsp, HDSP_midiDataOut0, val); +} + +static int snd_hdsp_midi_input_available (struct hdsp *hdsp, int id) +{ + if (id) + return (hdsp_read(hdsp, HDSP_midiStatusIn1) & 0xff); + else + return (hdsp_read(hdsp, HDSP_midiStatusIn0) & 0xff); +} + +static int snd_hdsp_midi_output_possible (struct hdsp *hdsp, int id) +{ + int fifo_bytes_used; + + if (id) + fifo_bytes_used = hdsp_read(hdsp, HDSP_midiStatusOut1) & 0xff; + else + fifo_bytes_used = hdsp_read(hdsp, HDSP_midiStatusOut0) & 0xff; + + if (fifo_bytes_used < 128) + return 128 - fifo_bytes_used; + else + return 0; +} + +static void snd_hdsp_flush_midi_input (struct hdsp *hdsp, int id) +{ + while (snd_hdsp_midi_input_available (hdsp, id)) + snd_hdsp_midi_read_byte (hdsp, id); +} + +static int snd_hdsp_midi_output_write (struct hdsp_midi *hmidi) +{ + unsigned long flags; + int n_pending; + int to_write; + int i; + unsigned char buf[128]; + + /* Output is not interrupt driven */ + + spin_lock_irqsave (&hmidi->lock, flags); + if (hmidi->output) { + if (!snd_rawmidi_transmit_empty (hmidi->output)) { + n_pending = snd_hdsp_midi_output_possible(hmidi->hdsp, hmidi->id); + if (n_pending > 0) { + if (n_pending > (int)sizeof (buf)) + n_pending = sizeof (buf); + + to_write = snd_rawmidi_transmit(hmidi->output, buf, n_pending); + if (to_write > 0) { + for (i = 0; i < to_write; ++i) + snd_hdsp_midi_write_byte (hmidi->hdsp, hmidi->id, buf[i]); + } + } + } + } + spin_unlock_irqrestore (&hmidi->lock, flags); + return 0; +} + +static int snd_hdsp_midi_input_read (struct hdsp_midi *hmidi) +{ + unsigned char buf[128]; /* this buffer is designed to match the MIDI input FIFO size */ + unsigned long flags; + int n_pending; + int i; + + spin_lock_irqsave (&hmidi->lock, flags); + n_pending = snd_hdsp_midi_input_available(hmidi->hdsp, hmidi->id); + if (n_pending > 0) { + if (hmidi->input) { + if (n_pending > (int)sizeof (buf)) + n_pending = sizeof (buf); + for (i = 0; i < n_pending; ++i) + buf[i] = snd_hdsp_midi_read_byte (hmidi->hdsp, hmidi->id); + if (n_pending) + snd_rawmidi_receive (hmidi->input, buf, n_pending); + } else { + /* flush the MIDI input FIFO */ + while (--n_pending) + snd_hdsp_midi_read_byte (hmidi->hdsp, hmidi->id); + } + } + hmidi->pending = 0; + if (hmidi->id) + hmidi->hdsp->control_register |= HDSP_Midi1InterruptEnable; + else + hmidi->hdsp->control_register |= HDSP_Midi0InterruptEnable; + hdsp_write(hmidi->hdsp, HDSP_controlRegister, hmidi->hdsp->control_register); + spin_unlock_irqrestore (&hmidi->lock, flags); + return snd_hdsp_midi_output_write (hmidi); +} + +static void snd_hdsp_midi_input_trigger(struct snd_rawmidi_substream *substream, int up) +{ + struct hdsp *hdsp; + struct hdsp_midi *hmidi; + unsigned long flags; + u32 ie; + + hmidi = (struct hdsp_midi *) substream->rmidi->private_data; + hdsp = hmidi->hdsp; + ie = hmidi->id ? HDSP_Midi1InterruptEnable : HDSP_Midi0InterruptEnable; + spin_lock_irqsave (&hdsp->lock, flags); + if (up) { + if (!(hdsp->control_register & ie)) { + snd_hdsp_flush_midi_input (hdsp, hmidi->id); + hdsp->control_register |= ie; + } + } else { + hdsp->control_register &= ~ie; + } + + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + spin_unlock_irqrestore (&hdsp->lock, flags); +} + +static void snd_hdsp_midi_output_timer(struct timer_list *t) +{ + struct hdsp_midi *hmidi = from_timer(hmidi, t, timer); + unsigned long flags; + + snd_hdsp_midi_output_write(hmidi); + spin_lock_irqsave (&hmidi->lock, flags); + + /* this does not bump hmidi->istimer, because the + kernel automatically removed the timer when it + expired, and we are now adding it back, thus + leaving istimer wherever it was set before. + */ + + if (hmidi->istimer) + mod_timer(&hmidi->timer, 1 + jiffies); + + spin_unlock_irqrestore (&hmidi->lock, flags); +} + +static void snd_hdsp_midi_output_trigger(struct snd_rawmidi_substream *substream, int up) +{ + struct hdsp_midi *hmidi; + unsigned long flags; + + hmidi = (struct hdsp_midi *) substream->rmidi->private_data; + spin_lock_irqsave (&hmidi->lock, flags); + if (up) { + if (!hmidi->istimer) { + timer_setup(&hmidi->timer, snd_hdsp_midi_output_timer, + 0); + mod_timer(&hmidi->timer, 1 + jiffies); + hmidi->istimer++; + } + } else { + if (hmidi->istimer && --hmidi->istimer <= 0) + del_timer (&hmidi->timer); + } + spin_unlock_irqrestore (&hmidi->lock, flags); + if (up) + snd_hdsp_midi_output_write(hmidi); +} + +static int snd_hdsp_midi_input_open(struct snd_rawmidi_substream *substream) +{ + struct hdsp_midi *hmidi; + + hmidi = (struct hdsp_midi *) substream->rmidi->private_data; + spin_lock_irq (&hmidi->lock); + snd_hdsp_flush_midi_input (hmidi->hdsp, hmidi->id); + hmidi->input = substream; + spin_unlock_irq (&hmidi->lock); + + return 0; +} + +static int snd_hdsp_midi_output_open(struct snd_rawmidi_substream *substream) +{ + struct hdsp_midi *hmidi; + + hmidi = (struct hdsp_midi *) substream->rmidi->private_data; + spin_lock_irq (&hmidi->lock); + hmidi->output = substream; + spin_unlock_irq (&hmidi->lock); + + return 0; +} + +static int snd_hdsp_midi_input_close(struct snd_rawmidi_substream *substream) +{ + struct hdsp_midi *hmidi; + + snd_hdsp_midi_input_trigger (substream, 0); + + hmidi = (struct hdsp_midi *) substream->rmidi->private_data; + spin_lock_irq (&hmidi->lock); + hmidi->input = NULL; + spin_unlock_irq (&hmidi->lock); + + return 0; +} + +static int snd_hdsp_midi_output_close(struct snd_rawmidi_substream *substream) +{ + struct hdsp_midi *hmidi; + + snd_hdsp_midi_output_trigger (substream, 0); + + hmidi = (struct hdsp_midi *) substream->rmidi->private_data; + spin_lock_irq (&hmidi->lock); + hmidi->output = NULL; + spin_unlock_irq (&hmidi->lock); + + return 0; +} + +static const struct snd_rawmidi_ops snd_hdsp_midi_output = +{ + .open = snd_hdsp_midi_output_open, + .close = snd_hdsp_midi_output_close, + .trigger = snd_hdsp_midi_output_trigger, +}; + +static const struct snd_rawmidi_ops snd_hdsp_midi_input = +{ + .open = snd_hdsp_midi_input_open, + .close = snd_hdsp_midi_input_close, + .trigger = snd_hdsp_midi_input_trigger, +}; + +static int snd_hdsp_create_midi (struct snd_card *card, struct hdsp *hdsp, int id) +{ + char buf[40]; + + hdsp->midi[id].id = id; + hdsp->midi[id].rmidi = NULL; + hdsp->midi[id].input = NULL; + hdsp->midi[id].output = NULL; + hdsp->midi[id].hdsp = hdsp; + hdsp->midi[id].istimer = 0; + hdsp->midi[id].pending = 0; + spin_lock_init (&hdsp->midi[id].lock); + + snprintf(buf, sizeof(buf), "%s MIDI %d", card->shortname, id + 1); + if (snd_rawmidi_new (card, buf, id, 1, 1, &hdsp->midi[id].rmidi) < 0) + return -1; + + sprintf(hdsp->midi[id].rmidi->name, "HDSP MIDI %d", id+1); + hdsp->midi[id].rmidi->private_data = &hdsp->midi[id]; + + snd_rawmidi_set_ops (hdsp->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_hdsp_midi_output); + snd_rawmidi_set_ops (hdsp->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_hdsp_midi_input); + + hdsp->midi[id].rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | + SNDRV_RAWMIDI_INFO_INPUT | + SNDRV_RAWMIDI_INFO_DUPLEX; + + return 0; +} + +/*----------------------------------------------------------------------------- + Control Interface + ----------------------------------------------------------------------------*/ + +static u32 snd_hdsp_convert_from_aes(struct snd_aes_iec958 *aes) +{ + u32 val = 0; + val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? HDSP_SPDIFProfessional : 0; + val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? HDSP_SPDIFNonAudio : 0; + if (val & HDSP_SPDIFProfessional) + val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? HDSP_SPDIFEmphasis : 0; + else + val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? HDSP_SPDIFEmphasis : 0; + return val; +} + +static void snd_hdsp_convert_to_aes(struct snd_aes_iec958 *aes, u32 val) +{ + aes->status[0] = ((val & HDSP_SPDIFProfessional) ? IEC958_AES0_PROFESSIONAL : 0) | + ((val & HDSP_SPDIFNonAudio) ? IEC958_AES0_NONAUDIO : 0); + if (val & HDSP_SPDIFProfessional) + aes->status[0] |= (val & HDSP_SPDIFEmphasis) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0; + else + aes->status[0] |= (val & HDSP_SPDIFEmphasis) ? IEC958_AES0_CON_EMPHASIS_5015 : 0; +} + +static int snd_hdsp_control_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_hdsp_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + snd_hdsp_convert_to_aes(&ucontrol->value.iec958, hdsp->creg_spdif); + return 0; +} + +static int snd_hdsp_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + u32 val; + + val = snd_hdsp_convert_from_aes(&ucontrol->value.iec958); + spin_lock_irq(&hdsp->lock); + change = val != hdsp->creg_spdif; + hdsp->creg_spdif = val; + spin_unlock_irq(&hdsp->lock); + return change; +} + +static int snd_hdsp_control_spdif_stream_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_hdsp_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + snd_hdsp_convert_to_aes(&ucontrol->value.iec958, hdsp->creg_spdif_stream); + return 0; +} + +static int snd_hdsp_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + u32 val; + + val = snd_hdsp_convert_from_aes(&ucontrol->value.iec958); + spin_lock_irq(&hdsp->lock); + change = val != hdsp->creg_spdif_stream; + hdsp->creg_spdif_stream = val; + hdsp->control_register &= ~(HDSP_SPDIFProfessional | HDSP_SPDIFNonAudio | HDSP_SPDIFEmphasis); + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register |= val); + spin_unlock_irq(&hdsp->lock); + return change; +} + +static int snd_hdsp_control_spdif_mask_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_hdsp_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.iec958.status[0] = kcontrol->private_value; + return 0; +} + +#define HDSP_SPDIF_IN(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .info = snd_hdsp_info_spdif_in, \ + .get = snd_hdsp_get_spdif_in, \ + .put = snd_hdsp_put_spdif_in } + +static unsigned int hdsp_spdif_in(struct hdsp *hdsp) +{ + return hdsp_decode_spdif_in(hdsp->control_register & HDSP_SPDIFInputMask); +} + +static int hdsp_set_spdif_input(struct hdsp *hdsp, int in) +{ + hdsp->control_register &= ~HDSP_SPDIFInputMask; + hdsp->control_register |= hdsp_encode_spdif_in(in); + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + return 0; +} + +static int snd_hdsp_info_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[4] = { + "Optical", "Coaxial", "Internal", "AES" + }; + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + return snd_ctl_enum_info(uinfo, 1, (hdsp->io_type == H9632) ? 4 : 3, + texts); +} + +static int snd_hdsp_get_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp_spdif_in(hdsp); + return 0; +} + +static int snd_hdsp_put_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + unsigned int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + val = ucontrol->value.enumerated.item[0] % ((hdsp->io_type == H9632) ? 4 : 3); + spin_lock_irq(&hdsp->lock); + change = val != hdsp_spdif_in(hdsp); + if (change) + hdsp_set_spdif_input(hdsp, val); + spin_unlock_irq(&hdsp->lock); + return change; +} + +#define HDSP_TOGGLE_SETTING(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .private_value = xindex, \ + .info = snd_hdsp_info_toggle_setting, \ + .get = snd_hdsp_get_toggle_setting, \ + .put = snd_hdsp_put_toggle_setting \ +} + +static int hdsp_toggle_setting(struct hdsp *hdsp, u32 regmask) +{ + return (hdsp->control_register & regmask) ? 1 : 0; +} + +static int hdsp_set_toggle_setting(struct hdsp *hdsp, u32 regmask, int out) +{ + if (out) + hdsp->control_register |= regmask; + else + hdsp->control_register &= ~regmask; + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + + return 0; +} + +#define snd_hdsp_info_toggle_setting snd_ctl_boolean_mono_info + +static int snd_hdsp_get_toggle_setting(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + u32 regmask = kcontrol->private_value; + + spin_lock_irq(&hdsp->lock); + ucontrol->value.integer.value[0] = hdsp_toggle_setting(hdsp, regmask); + spin_unlock_irq(&hdsp->lock); + return 0; +} + +static int snd_hdsp_put_toggle_setting(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + u32 regmask = kcontrol->private_value; + int change; + unsigned int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + val = ucontrol->value.integer.value[0] & 1; + spin_lock_irq(&hdsp->lock); + change = (int) val != hdsp_toggle_setting(hdsp, regmask); + if (change) + hdsp_set_toggle_setting(hdsp, regmask, val); + spin_unlock_irq(&hdsp->lock); + return change; +} + +#define HDSP_SPDIF_SAMPLE_RATE(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .access = SNDRV_CTL_ELEM_ACCESS_READ, \ + .info = snd_hdsp_info_spdif_sample_rate, \ + .get = snd_hdsp_get_spdif_sample_rate \ +} + +static int snd_hdsp_info_spdif_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[] = { + "32000", "44100", "48000", "64000", "88200", "96000", + "None", "128000", "176400", "192000" + }; + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + return snd_ctl_enum_info(uinfo, 1, (hdsp->io_type == H9632) ? 10 : 7, + texts); +} + +static int snd_hdsp_get_spdif_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + switch (hdsp_spdif_sample_rate(hdsp)) { + case 32000: + ucontrol->value.enumerated.item[0] = 0; + break; + case 44100: + ucontrol->value.enumerated.item[0] = 1; + break; + case 48000: + ucontrol->value.enumerated.item[0] = 2; + break; + case 64000: + ucontrol->value.enumerated.item[0] = 3; + break; + case 88200: + ucontrol->value.enumerated.item[0] = 4; + break; + case 96000: + ucontrol->value.enumerated.item[0] = 5; + break; + case 128000: + ucontrol->value.enumerated.item[0] = 7; + break; + case 176400: + ucontrol->value.enumerated.item[0] = 8; + break; + case 192000: + ucontrol->value.enumerated.item[0] = 9; + break; + default: + ucontrol->value.enumerated.item[0] = 6; + } + return 0; +} + +#define HDSP_SYSTEM_SAMPLE_RATE(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .access = SNDRV_CTL_ELEM_ACCESS_READ, \ + .info = snd_hdsp_info_system_sample_rate, \ + .get = snd_hdsp_get_system_sample_rate \ +} + +static int snd_hdsp_info_system_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + return 0; +} + +static int snd_hdsp_get_system_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp->system_sample_rate; + return 0; +} + +#define HDSP_AUTOSYNC_SAMPLE_RATE(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .access = SNDRV_CTL_ELEM_ACCESS_READ, \ + .info = snd_hdsp_info_autosync_sample_rate, \ + .get = snd_hdsp_get_autosync_sample_rate \ +} + +static int snd_hdsp_info_autosync_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + static const char * const texts[] = { + "32000", "44100", "48000", "64000", "88200", "96000", + "None", "128000", "176400", "192000" + }; + + return snd_ctl_enum_info(uinfo, 1, (hdsp->io_type == H9632) ? 10 : 7, + texts); +} + +static int snd_hdsp_get_autosync_sample_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + switch (hdsp_external_sample_rate(hdsp)) { + case 32000: + ucontrol->value.enumerated.item[0] = 0; + break; + case 44100: + ucontrol->value.enumerated.item[0] = 1; + break; + case 48000: + ucontrol->value.enumerated.item[0] = 2; + break; + case 64000: + ucontrol->value.enumerated.item[0] = 3; + break; + case 88200: + ucontrol->value.enumerated.item[0] = 4; + break; + case 96000: + ucontrol->value.enumerated.item[0] = 5; + break; + case 128000: + ucontrol->value.enumerated.item[0] = 7; + break; + case 176400: + ucontrol->value.enumerated.item[0] = 8; + break; + case 192000: + ucontrol->value.enumerated.item[0] = 9; + break; + default: + ucontrol->value.enumerated.item[0] = 6; + } + return 0; +} + +#define HDSP_SYSTEM_CLOCK_MODE(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .access = SNDRV_CTL_ELEM_ACCESS_READ, \ + .info = snd_hdsp_info_system_clock_mode, \ + .get = snd_hdsp_get_system_clock_mode \ +} + +static int hdsp_system_clock_mode(struct hdsp *hdsp) +{ + if (hdsp->control_register & HDSP_ClockModeMaster) + return 0; + else if (hdsp_external_sample_rate(hdsp) != hdsp->system_sample_rate) + return 0; + return 1; +} + +static int snd_hdsp_info_system_clock_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[] = {"Master", "Slave" }; + + return snd_ctl_enum_info(uinfo, 1, 2, texts); +} + +static int snd_hdsp_get_system_clock_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp_system_clock_mode(hdsp); + return 0; +} + +#define HDSP_CLOCK_SOURCE(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .info = snd_hdsp_info_clock_source, \ + .get = snd_hdsp_get_clock_source, \ + .put = snd_hdsp_put_clock_source \ +} + +static int hdsp_clock_source(struct hdsp *hdsp) +{ + if (hdsp->control_register & HDSP_ClockModeMaster) { + switch (hdsp->system_sample_rate) { + case 32000: + return 1; + case 44100: + return 2; + case 48000: + return 3; + case 64000: + return 4; + case 88200: + return 5; + case 96000: + return 6; + case 128000: + return 7; + case 176400: + return 8; + case 192000: + return 9; + default: + return 3; + } + } else { + return 0; + } +} + +static int hdsp_set_clock_source(struct hdsp *hdsp, int mode) +{ + int rate; + switch (mode) { + case HDSP_CLOCK_SOURCE_AUTOSYNC: + if (hdsp_external_sample_rate(hdsp) != 0) { + if (!hdsp_set_rate(hdsp, hdsp_external_sample_rate(hdsp), 1)) { + hdsp->control_register &= ~HDSP_ClockModeMaster; + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + return 0; + } + } + return -1; + case HDSP_CLOCK_SOURCE_INTERNAL_32KHZ: + rate = 32000; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ: + rate = 44100; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_48KHZ: + rate = 48000; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_64KHZ: + rate = 64000; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ: + rate = 88200; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_96KHZ: + rate = 96000; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_128KHZ: + rate = 128000; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ: + rate = 176400; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_192KHZ: + rate = 192000; + break; + default: + rate = 48000; + } + hdsp->control_register |= HDSP_ClockModeMaster; + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + hdsp_set_rate(hdsp, rate, 1); + return 0; +} + +static int snd_hdsp_info_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[] = { + "AutoSync", "Internal 32.0 kHz", "Internal 44.1 kHz", + "Internal 48.0 kHz", "Internal 64.0 kHz", "Internal 88.2 kHz", + "Internal 96.0 kHz", "Internal 128 kHz", "Internal 176.4 kHz", + "Internal 192.0 KHz" + }; + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + return snd_ctl_enum_info(uinfo, 1, (hdsp->io_type == H9632) ? 10 : 7, + texts); +} + +static int snd_hdsp_get_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp_clock_source(hdsp); + return 0; +} + +static int snd_hdsp_put_clock_source(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + val = ucontrol->value.enumerated.item[0]; + if (val < 0) val = 0; + if (hdsp->io_type == H9632) { + if (val > 9) + val = 9; + } else { + if (val > 6) + val = 6; + } + spin_lock_irq(&hdsp->lock); + if (val != hdsp_clock_source(hdsp)) + change = (hdsp_set_clock_source(hdsp, val) == 0) ? 1 : 0; + else + change = 0; + spin_unlock_irq(&hdsp->lock); + return change; +} + +#define snd_hdsp_info_clock_source_lock snd_ctl_boolean_mono_info + +static int snd_hdsp_get_clock_source_lock(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.integer.value[0] = hdsp->clock_source_locked; + return 0; +} + +static int snd_hdsp_put_clock_source_lock(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + + change = (int)ucontrol->value.integer.value[0] != hdsp->clock_source_locked; + if (change) + hdsp->clock_source_locked = !!ucontrol->value.integer.value[0]; + return change; +} + +#define HDSP_DA_GAIN(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .info = snd_hdsp_info_da_gain, \ + .get = snd_hdsp_get_da_gain, \ + .put = snd_hdsp_put_da_gain \ +} + +static int hdsp_da_gain(struct hdsp *hdsp) +{ + switch (hdsp->control_register & HDSP_DAGainMask) { + case HDSP_DAGainHighGain: + return 0; + case HDSP_DAGainPlus4dBu: + return 1; + case HDSP_DAGainMinus10dBV: + return 2; + default: + return 1; + } +} + +static int hdsp_set_da_gain(struct hdsp *hdsp, int mode) +{ + hdsp->control_register &= ~HDSP_DAGainMask; + switch (mode) { + case 0: + hdsp->control_register |= HDSP_DAGainHighGain; + break; + case 1: + hdsp->control_register |= HDSP_DAGainPlus4dBu; + break; + case 2: + hdsp->control_register |= HDSP_DAGainMinus10dBV; + break; + default: + return -1; + + } + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + return 0; +} + +static int snd_hdsp_info_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[] = {"Hi Gain", "+4 dBu", "-10 dbV"}; + + return snd_ctl_enum_info(uinfo, 1, 3, texts); +} + +static int snd_hdsp_get_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp_da_gain(hdsp); + return 0; +} + +static int snd_hdsp_put_da_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + val = ucontrol->value.enumerated.item[0]; + if (val < 0) val = 0; + if (val > 2) val = 2; + spin_lock_irq(&hdsp->lock); + if (val != hdsp_da_gain(hdsp)) + change = (hdsp_set_da_gain(hdsp, val) == 0) ? 1 : 0; + else + change = 0; + spin_unlock_irq(&hdsp->lock); + return change; +} + +#define HDSP_AD_GAIN(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .info = snd_hdsp_info_ad_gain, \ + .get = snd_hdsp_get_ad_gain, \ + .put = snd_hdsp_put_ad_gain \ +} + +static int hdsp_ad_gain(struct hdsp *hdsp) +{ + switch (hdsp->control_register & HDSP_ADGainMask) { + case HDSP_ADGainMinus10dBV: + return 0; + case HDSP_ADGainPlus4dBu: + return 1; + case HDSP_ADGainLowGain: + return 2; + default: + return 1; + } +} + +static int hdsp_set_ad_gain(struct hdsp *hdsp, int mode) +{ + hdsp->control_register &= ~HDSP_ADGainMask; + switch (mode) { + case 0: + hdsp->control_register |= HDSP_ADGainMinus10dBV; + break; + case 1: + hdsp->control_register |= HDSP_ADGainPlus4dBu; + break; + case 2: + hdsp->control_register |= HDSP_ADGainLowGain; + break; + default: + return -1; + + } + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + return 0; +} + +static int snd_hdsp_info_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[] = {"-10 dBV", "+4 dBu", "Lo Gain"}; + + return snd_ctl_enum_info(uinfo, 1, 3, texts); +} + +static int snd_hdsp_get_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp_ad_gain(hdsp); + return 0; +} + +static int snd_hdsp_put_ad_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + val = ucontrol->value.enumerated.item[0]; + if (val < 0) val = 0; + if (val > 2) val = 2; + spin_lock_irq(&hdsp->lock); + if (val != hdsp_ad_gain(hdsp)) + change = (hdsp_set_ad_gain(hdsp, val) == 0) ? 1 : 0; + else + change = 0; + spin_unlock_irq(&hdsp->lock); + return change; +} + +#define HDSP_PHONE_GAIN(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .info = snd_hdsp_info_phone_gain, \ + .get = snd_hdsp_get_phone_gain, \ + .put = snd_hdsp_put_phone_gain \ +} + +static int hdsp_phone_gain(struct hdsp *hdsp) +{ + switch (hdsp->control_register & HDSP_PhoneGainMask) { + case HDSP_PhoneGain0dB: + return 0; + case HDSP_PhoneGainMinus6dB: + return 1; + case HDSP_PhoneGainMinus12dB: + return 2; + default: + return 0; + } +} + +static int hdsp_set_phone_gain(struct hdsp *hdsp, int mode) +{ + hdsp->control_register &= ~HDSP_PhoneGainMask; + switch (mode) { + case 0: + hdsp->control_register |= HDSP_PhoneGain0dB; + break; + case 1: + hdsp->control_register |= HDSP_PhoneGainMinus6dB; + break; + case 2: + hdsp->control_register |= HDSP_PhoneGainMinus12dB; + break; + default: + return -1; + + } + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + return 0; +} + +static int snd_hdsp_info_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[] = {"0 dB", "-6 dB", "-12 dB"}; + + return snd_ctl_enum_info(uinfo, 1, 3, texts); +} + +static int snd_hdsp_get_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp_phone_gain(hdsp); + return 0; +} + +static int snd_hdsp_put_phone_gain(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + val = ucontrol->value.enumerated.item[0]; + if (val < 0) val = 0; + if (val > 2) val = 2; + spin_lock_irq(&hdsp->lock); + if (val != hdsp_phone_gain(hdsp)) + change = (hdsp_set_phone_gain(hdsp, val) == 0) ? 1 : 0; + else + change = 0; + spin_unlock_irq(&hdsp->lock); + return change; +} + +#define HDSP_PREF_SYNC_REF(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .info = snd_hdsp_info_pref_sync_ref, \ + .get = snd_hdsp_get_pref_sync_ref, \ + .put = snd_hdsp_put_pref_sync_ref \ +} + +static int hdsp_pref_sync_ref(struct hdsp *hdsp) +{ + /* Notice that this looks at the requested sync source, + not the one actually in use. + */ + + switch (hdsp->control_register & HDSP_SyncRefMask) { + case HDSP_SyncRef_ADAT1: + return HDSP_SYNC_FROM_ADAT1; + case HDSP_SyncRef_ADAT2: + return HDSP_SYNC_FROM_ADAT2; + case HDSP_SyncRef_ADAT3: + return HDSP_SYNC_FROM_ADAT3; + case HDSP_SyncRef_SPDIF: + return HDSP_SYNC_FROM_SPDIF; + case HDSP_SyncRef_WORD: + return HDSP_SYNC_FROM_WORD; + case HDSP_SyncRef_ADAT_SYNC: + return HDSP_SYNC_FROM_ADAT_SYNC; + default: + return HDSP_SYNC_FROM_WORD; + } + return 0; +} + +static int hdsp_set_pref_sync_ref(struct hdsp *hdsp, int pref) +{ + hdsp->control_register &= ~HDSP_SyncRefMask; + switch (pref) { + case HDSP_SYNC_FROM_ADAT1: + hdsp->control_register &= ~HDSP_SyncRefMask; /* clear SyncRef bits */ + break; + case HDSP_SYNC_FROM_ADAT2: + hdsp->control_register |= HDSP_SyncRef_ADAT2; + break; + case HDSP_SYNC_FROM_ADAT3: + hdsp->control_register |= HDSP_SyncRef_ADAT3; + break; + case HDSP_SYNC_FROM_SPDIF: + hdsp->control_register |= HDSP_SyncRef_SPDIF; + break; + case HDSP_SYNC_FROM_WORD: + hdsp->control_register |= HDSP_SyncRef_WORD; + break; + case HDSP_SYNC_FROM_ADAT_SYNC: + hdsp->control_register |= HDSP_SyncRef_ADAT_SYNC; + break; + default: + return -1; + } + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + return 0; +} + +static int snd_hdsp_info_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[] = { + "Word", "IEC958", "ADAT1", "ADAT Sync", "ADAT2", "ADAT3" + }; + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int num_items; + + switch (hdsp->io_type) { + case Digiface: + case H9652: + num_items = 6; + break; + case Multiface: + num_items = 4; + break; + case H9632: + num_items = 3; + break; + default: + return -EINVAL; + } + + return snd_ctl_enum_info(uinfo, 1, num_items, texts); +} + +static int snd_hdsp_get_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp_pref_sync_ref(hdsp); + return 0; +} + +static int snd_hdsp_put_pref_sync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change, max; + unsigned int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + + switch (hdsp->io_type) { + case Digiface: + case H9652: + max = 6; + break; + case Multiface: + max = 4; + break; + case H9632: + max = 3; + break; + default: + return -EIO; + } + + val = ucontrol->value.enumerated.item[0] % max; + spin_lock_irq(&hdsp->lock); + change = (int)val != hdsp_pref_sync_ref(hdsp); + hdsp_set_pref_sync_ref(hdsp, val); + spin_unlock_irq(&hdsp->lock); + return change; +} + +#define HDSP_AUTOSYNC_REF(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .access = SNDRV_CTL_ELEM_ACCESS_READ, \ + .info = snd_hdsp_info_autosync_ref, \ + .get = snd_hdsp_get_autosync_ref, \ +} + +static int hdsp_autosync_ref(struct hdsp *hdsp) +{ + /* This looks at the autosync selected sync reference */ + unsigned int status2 = hdsp_read(hdsp, HDSP_status2Register); + + switch (status2 & HDSP_SelSyncRefMask) { + case HDSP_SelSyncRef_WORD: + return HDSP_AUTOSYNC_FROM_WORD; + case HDSP_SelSyncRef_ADAT_SYNC: + return HDSP_AUTOSYNC_FROM_ADAT_SYNC; + case HDSP_SelSyncRef_SPDIF: + return HDSP_AUTOSYNC_FROM_SPDIF; + case HDSP_SelSyncRefMask: + return HDSP_AUTOSYNC_FROM_NONE; + case HDSP_SelSyncRef_ADAT1: + return HDSP_AUTOSYNC_FROM_ADAT1; + case HDSP_SelSyncRef_ADAT2: + return HDSP_AUTOSYNC_FROM_ADAT2; + case HDSP_SelSyncRef_ADAT3: + return HDSP_AUTOSYNC_FROM_ADAT3; + default: + return HDSP_AUTOSYNC_FROM_WORD; + } + return 0; +} + +static int snd_hdsp_info_autosync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[] = { + "Word", "ADAT Sync", "IEC958", "None", "ADAT1", "ADAT2", "ADAT3" + }; + + return snd_ctl_enum_info(uinfo, 1, 7, texts); +} + +static int snd_hdsp_get_autosync_ref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp_autosync_ref(hdsp); + return 0; +} + +#define HDSP_PRECISE_POINTER(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_CARD, \ + .name = xname, \ + .index = xindex, \ + .info = snd_hdsp_info_precise_pointer, \ + .get = snd_hdsp_get_precise_pointer, \ + .put = snd_hdsp_put_precise_pointer \ +} + +static int hdsp_set_precise_pointer(struct hdsp *hdsp, int precise) +{ + if (precise) + hdsp->precise_ptr = 1; + else + hdsp->precise_ptr = 0; + return 0; +} + +#define snd_hdsp_info_precise_pointer snd_ctl_boolean_mono_info + +static int snd_hdsp_get_precise_pointer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + spin_lock_irq(&hdsp->lock); + ucontrol->value.integer.value[0] = hdsp->precise_ptr; + spin_unlock_irq(&hdsp->lock); + return 0; +} + +static int snd_hdsp_put_precise_pointer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + unsigned int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + val = ucontrol->value.integer.value[0] & 1; + spin_lock_irq(&hdsp->lock); + change = (int)val != hdsp->precise_ptr; + hdsp_set_precise_pointer(hdsp, val); + spin_unlock_irq(&hdsp->lock); + return change; +} + +#define HDSP_USE_MIDI_WORK(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_CARD, \ + .name = xname, \ + .index = xindex, \ + .info = snd_hdsp_info_use_midi_work, \ + .get = snd_hdsp_get_use_midi_work, \ + .put = snd_hdsp_put_use_midi_work \ +} + +static int hdsp_set_use_midi_work(struct hdsp *hdsp, int use_work) +{ + if (use_work) + hdsp->use_midi_work = 1; + else + hdsp->use_midi_work = 0; + return 0; +} + +#define snd_hdsp_info_use_midi_work snd_ctl_boolean_mono_info + +static int snd_hdsp_get_use_midi_work(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + spin_lock_irq(&hdsp->lock); + ucontrol->value.integer.value[0] = hdsp->use_midi_work; + spin_unlock_irq(&hdsp->lock); + return 0; +} + +static int snd_hdsp_put_use_midi_work(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + unsigned int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + val = ucontrol->value.integer.value[0] & 1; + spin_lock_irq(&hdsp->lock); + change = (int)val != hdsp->use_midi_work; + hdsp_set_use_midi_work(hdsp, val); + spin_unlock_irq(&hdsp->lock); + return change; +} + +#define HDSP_MIXER(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \ + .name = xname, \ + .index = xindex, \ + .device = 0, \ + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \ + SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ + .info = snd_hdsp_info_mixer, \ + .get = snd_hdsp_get_mixer, \ + .put = snd_hdsp_put_mixer \ +} + +static int snd_hdsp_info_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 3; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 65536; + uinfo->value.integer.step = 1; + return 0; +} + +static int snd_hdsp_get_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int source; + int destination; + int addr; + + source = ucontrol->value.integer.value[0]; + destination = ucontrol->value.integer.value[1]; + + if (source >= hdsp->max_channels) + addr = hdsp_playback_to_output_key(hdsp,source-hdsp->max_channels,destination); + else + addr = hdsp_input_to_output_key(hdsp,source, destination); + + spin_lock_irq(&hdsp->lock); + ucontrol->value.integer.value[2] = hdsp_read_gain (hdsp, addr); + spin_unlock_irq(&hdsp->lock); + return 0; +} + +static int snd_hdsp_put_mixer(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + int source; + int destination; + int gain; + int addr; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + + source = ucontrol->value.integer.value[0]; + destination = ucontrol->value.integer.value[1]; + + if (source >= hdsp->max_channels) + addr = hdsp_playback_to_output_key(hdsp,source-hdsp->max_channels, destination); + else + addr = hdsp_input_to_output_key(hdsp,source, destination); + + gain = ucontrol->value.integer.value[2]; + + spin_lock_irq(&hdsp->lock); + change = gain != hdsp_read_gain(hdsp, addr); + if (change) + hdsp_write_gain(hdsp, addr, gain); + spin_unlock_irq(&hdsp->lock); + return change; +} + +#define HDSP_WC_SYNC_CHECK(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ + .info = snd_hdsp_info_sync_check, \ + .get = snd_hdsp_get_wc_sync_check \ +} + +static int snd_hdsp_info_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[] = {"No Lock", "Lock", "Sync" }; + + return snd_ctl_enum_info(uinfo, 1, 3, texts); +} + +static int hdsp_wc_sync_check(struct hdsp *hdsp) +{ + int status2 = hdsp_read(hdsp, HDSP_status2Register); + if (status2 & HDSP_wc_lock) { + if (status2 & HDSP_wc_sync) + return 2; + else + return 1; + } else + return 0; + return 0; +} + +static int snd_hdsp_get_wc_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp_wc_sync_check(hdsp); + return 0; +} + +#define HDSP_SPDIF_SYNC_CHECK(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ + .info = snd_hdsp_info_sync_check, \ + .get = snd_hdsp_get_spdif_sync_check \ +} + +static int hdsp_spdif_sync_check(struct hdsp *hdsp) +{ + int status = hdsp_read(hdsp, HDSP_statusRegister); + if (status & HDSP_SPDIFErrorFlag) + return 0; + else { + if (status & HDSP_SPDIFSync) + return 2; + else + return 1; + } + return 0; +} + +static int snd_hdsp_get_spdif_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp_spdif_sync_check(hdsp); + return 0; +} + +#define HDSP_ADATSYNC_SYNC_CHECK(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ + .info = snd_hdsp_info_sync_check, \ + .get = snd_hdsp_get_adatsync_sync_check \ +} + +static int hdsp_adatsync_sync_check(struct hdsp *hdsp) +{ + int status = hdsp_read(hdsp, HDSP_statusRegister); + if (status & HDSP_TimecodeLock) { + if (status & HDSP_TimecodeSync) + return 2; + else + return 1; + } else + return 0; +} + +static int snd_hdsp_get_adatsync_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp_adatsync_sync_check(hdsp); + return 0; +} + +#define HDSP_ADAT_SYNC_CHECK \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ + .info = snd_hdsp_info_sync_check, \ + .get = snd_hdsp_get_adat_sync_check \ +} + +static int hdsp_adat_sync_check(struct hdsp *hdsp, int idx) +{ + int status = hdsp_read(hdsp, HDSP_statusRegister); + + if (status & (HDSP_Lock0>>idx)) { + if (status & (HDSP_Sync0>>idx)) + return 2; + else + return 1; + } else + return 0; +} + +static int snd_hdsp_get_adat_sync_check(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + int offset; + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + offset = ucontrol->id.index - 1; + if (snd_BUG_ON(offset < 0)) + return -EINVAL; + + switch (hdsp->io_type) { + case Digiface: + case H9652: + if (offset >= 3) + return -EINVAL; + break; + case Multiface: + case H9632: + if (offset >= 1) + return -EINVAL; + break; + default: + return -EIO; + } + + ucontrol->value.enumerated.item[0] = hdsp_adat_sync_check(hdsp, offset); + return 0; +} + +#define HDSP_DDS_OFFSET(xname, xindex) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .info = snd_hdsp_info_dds_offset, \ + .get = snd_hdsp_get_dds_offset, \ + .put = snd_hdsp_put_dds_offset \ +} + +static int hdsp_dds_offset(struct hdsp *hdsp) +{ + u64 n; + unsigned int dds_value = hdsp->dds_value; + int system_sample_rate = hdsp->system_sample_rate; + + if (!dds_value) + return 0; + + n = DDS_NUMERATOR; + /* + * dds_value = n / rate + * rate = n / dds_value + */ + n = div_u64(n, dds_value); + if (system_sample_rate >= 112000) + n *= 4; + else if (system_sample_rate >= 56000) + n *= 2; + return ((int)n) - system_sample_rate; +} + +static int hdsp_set_dds_offset(struct hdsp *hdsp, int offset_hz) +{ + int rate = hdsp->system_sample_rate + offset_hz; + hdsp_set_dds_value(hdsp, rate); + return 0; +} + +static int snd_hdsp_info_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = -5000; + uinfo->value.integer.max = 5000; + return 0; +} + +static int snd_hdsp_get_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.integer.value[0] = hdsp_dds_offset(hdsp); + return 0; +} + +static int snd_hdsp_put_dds_offset(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + val = ucontrol->value.integer.value[0]; + spin_lock_irq(&hdsp->lock); + if (val != hdsp_dds_offset(hdsp)) + change = (hdsp_set_dds_offset(hdsp, val) == 0) ? 1 : 0; + else + change = 0; + spin_unlock_irq(&hdsp->lock); + return change; +} + +static const struct snd_kcontrol_new snd_hdsp_9632_controls[] = { +HDSP_DA_GAIN("DA Gain", 0), +HDSP_AD_GAIN("AD Gain", 0), +HDSP_PHONE_GAIN("Phones Gain", 0), +HDSP_TOGGLE_SETTING("XLR Breakout Cable", HDSP_XLRBreakoutCable), +HDSP_DDS_OFFSET("DDS Sample Rate Offset", 0) +}; + +static const struct snd_kcontrol_new snd_hdsp_controls[] = { +{ + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), + .info = snd_hdsp_control_spdif_info, + .get = snd_hdsp_control_spdif_get, + .put = snd_hdsp_control_spdif_put, +}, +{ + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM), + .info = snd_hdsp_control_spdif_stream_info, + .get = snd_hdsp_control_spdif_stream_get, + .put = snd_hdsp_control_spdif_stream_put, +}, +{ + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), + .info = snd_hdsp_control_spdif_mask_info, + .get = snd_hdsp_control_spdif_mask_get, + .private_value = IEC958_AES0_NONAUDIO | + IEC958_AES0_PROFESSIONAL | + IEC958_AES0_CON_EMPHASIS, +}, +{ + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), + .info = snd_hdsp_control_spdif_mask_info, + .get = snd_hdsp_control_spdif_mask_get, + .private_value = IEC958_AES0_NONAUDIO | + IEC958_AES0_PROFESSIONAL | + IEC958_AES0_PRO_EMPHASIS, +}, +HDSP_MIXER("Mixer", 0), +HDSP_SPDIF_IN("IEC958 Input Connector", 0), +HDSP_TOGGLE_SETTING("IEC958 Output also on ADAT1", HDSP_SPDIFOpticalOut), +HDSP_TOGGLE_SETTING("IEC958 Professional Bit", HDSP_SPDIFProfessional), +HDSP_TOGGLE_SETTING("IEC958 Emphasis Bit", HDSP_SPDIFEmphasis), +HDSP_TOGGLE_SETTING("IEC958 Non-audio Bit", HDSP_SPDIFNonAudio), +/* 'Sample Clock Source' complies with the alsa control naming scheme */ +HDSP_CLOCK_SOURCE("Sample Clock Source", 0), +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Sample Clock Source Locking", + .info = snd_hdsp_info_clock_source_lock, + .get = snd_hdsp_get_clock_source_lock, + .put = snd_hdsp_put_clock_source_lock, +}, +HDSP_SYSTEM_CLOCK_MODE("System Clock Mode", 0), +HDSP_PREF_SYNC_REF("Preferred Sync Reference", 0), +HDSP_AUTOSYNC_REF("AutoSync Reference", 0), +HDSP_SPDIF_SAMPLE_RATE("SPDIF Sample Rate", 0), +HDSP_SYSTEM_SAMPLE_RATE("System Sample Rate", 0), +/* 'External Rate' complies with the alsa control naming scheme */ +HDSP_AUTOSYNC_SAMPLE_RATE("External Rate", 0), +HDSP_WC_SYNC_CHECK("Word Clock Lock Status", 0), +HDSP_SPDIF_SYNC_CHECK("SPDIF Lock Status", 0), +HDSP_ADATSYNC_SYNC_CHECK("ADAT Sync Lock Status", 0), +HDSP_TOGGLE_SETTING("Line Out", HDSP_LineOut), +HDSP_PRECISE_POINTER("Precise Pointer", 0), +HDSP_USE_MIDI_WORK("Use Midi Tasklet", 0), +}; + + +static int hdsp_rpm_input12(struct hdsp *hdsp) +{ + switch (hdsp->control_register & HDSP_RPM_Inp12) { + case HDSP_RPM_Inp12_Phon_6dB: + return 0; + case HDSP_RPM_Inp12_Phon_n6dB: + return 2; + case HDSP_RPM_Inp12_Line_0dB: + return 3; + case HDSP_RPM_Inp12_Line_n6dB: + return 4; + } + return 1; +} + + +static int snd_hdsp_get_rpm_input12(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp_rpm_input12(hdsp); + return 0; +} + + +static int hdsp_set_rpm_input12(struct hdsp *hdsp, int mode) +{ + hdsp->control_register &= ~HDSP_RPM_Inp12; + switch (mode) { + case 0: + hdsp->control_register |= HDSP_RPM_Inp12_Phon_6dB; + break; + case 1: + break; + case 2: + hdsp->control_register |= HDSP_RPM_Inp12_Phon_n6dB; + break; + case 3: + hdsp->control_register |= HDSP_RPM_Inp12_Line_0dB; + break; + case 4: + hdsp->control_register |= HDSP_RPM_Inp12_Line_n6dB; + break; + default: + return -1; + } + + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + return 0; +} + + +static int snd_hdsp_put_rpm_input12(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + val = ucontrol->value.enumerated.item[0]; + if (val < 0) + val = 0; + if (val > 4) + val = 4; + spin_lock_irq(&hdsp->lock); + if (val != hdsp_rpm_input12(hdsp)) + change = (hdsp_set_rpm_input12(hdsp, val) == 0) ? 1 : 0; + else + change = 0; + spin_unlock_irq(&hdsp->lock); + return change; +} + + +static int snd_hdsp_info_rpm_input(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[] = { + "Phono +6dB", "Phono 0dB", "Phono -6dB", "Line 0dB", "Line -6dB" + }; + + return snd_ctl_enum_info(uinfo, 1, 5, texts); +} + + +static int hdsp_rpm_input34(struct hdsp *hdsp) +{ + switch (hdsp->control_register & HDSP_RPM_Inp34) { + case HDSP_RPM_Inp34_Phon_6dB: + return 0; + case HDSP_RPM_Inp34_Phon_n6dB: + return 2; + case HDSP_RPM_Inp34_Line_0dB: + return 3; + case HDSP_RPM_Inp34_Line_n6dB: + return 4; + } + return 1; +} + + +static int snd_hdsp_get_rpm_input34(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = hdsp_rpm_input34(hdsp); + return 0; +} + + +static int hdsp_set_rpm_input34(struct hdsp *hdsp, int mode) +{ + hdsp->control_register &= ~HDSP_RPM_Inp34; + switch (mode) { + case 0: + hdsp->control_register |= HDSP_RPM_Inp34_Phon_6dB; + break; + case 1: + break; + case 2: + hdsp->control_register |= HDSP_RPM_Inp34_Phon_n6dB; + break; + case 3: + hdsp->control_register |= HDSP_RPM_Inp34_Line_0dB; + break; + case 4: + hdsp->control_register |= HDSP_RPM_Inp34_Line_n6dB; + break; + default: + return -1; + } + + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + return 0; +} + + +static int snd_hdsp_put_rpm_input34(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + val = ucontrol->value.enumerated.item[0]; + if (val < 0) + val = 0; + if (val > 4) + val = 4; + spin_lock_irq(&hdsp->lock); + if (val != hdsp_rpm_input34(hdsp)) + change = (hdsp_set_rpm_input34(hdsp, val) == 0) ? 1 : 0; + else + change = 0; + spin_unlock_irq(&hdsp->lock); + return change; +} + + +/* RPM Bypass switch */ +static int hdsp_rpm_bypass(struct hdsp *hdsp) +{ + return (hdsp->control_register & HDSP_RPM_Bypass) ? 1 : 0; +} + + +static int snd_hdsp_get_rpm_bypass(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.integer.value[0] = hdsp_rpm_bypass(hdsp); + return 0; +} + + +static int hdsp_set_rpm_bypass(struct hdsp *hdsp, int on) +{ + if (on) + hdsp->control_register |= HDSP_RPM_Bypass; + else + hdsp->control_register &= ~HDSP_RPM_Bypass; + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + return 0; +} + + +static int snd_hdsp_put_rpm_bypass(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + unsigned int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + val = ucontrol->value.integer.value[0] & 1; + spin_lock_irq(&hdsp->lock); + change = (int)val != hdsp_rpm_bypass(hdsp); + hdsp_set_rpm_bypass(hdsp, val); + spin_unlock_irq(&hdsp->lock); + return change; +} + + +static int snd_hdsp_info_rpm_bypass(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[] = {"On", "Off"}; + + return snd_ctl_enum_info(uinfo, 1, 2, texts); +} + + +/* RPM Disconnect switch */ +static int hdsp_rpm_disconnect(struct hdsp *hdsp) +{ + return (hdsp->control_register & HDSP_RPM_Disconnect) ? 1 : 0; +} + + +static int snd_hdsp_get_rpm_disconnect(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + + ucontrol->value.integer.value[0] = hdsp_rpm_disconnect(hdsp); + return 0; +} + + +static int hdsp_set_rpm_disconnect(struct hdsp *hdsp, int on) +{ + if (on) + hdsp->control_register |= HDSP_RPM_Disconnect; + else + hdsp->control_register &= ~HDSP_RPM_Disconnect; + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + return 0; +} + + +static int snd_hdsp_put_rpm_disconnect(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); + int change; + unsigned int val; + + if (!snd_hdsp_use_is_exclusive(hdsp)) + return -EBUSY; + val = ucontrol->value.integer.value[0] & 1; + spin_lock_irq(&hdsp->lock); + change = (int)val != hdsp_rpm_disconnect(hdsp); + hdsp_set_rpm_disconnect(hdsp, val); + spin_unlock_irq(&hdsp->lock); + return change; +} + +static int snd_hdsp_info_rpm_disconnect(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[] = {"On", "Off"}; + + return snd_ctl_enum_info(uinfo, 1, 2, texts); +} + +static const struct snd_kcontrol_new snd_hdsp_rpm_controls[] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "RPM Bypass", + .get = snd_hdsp_get_rpm_bypass, + .put = snd_hdsp_put_rpm_bypass, + .info = snd_hdsp_info_rpm_bypass + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "RPM Disconnect", + .get = snd_hdsp_get_rpm_disconnect, + .put = snd_hdsp_put_rpm_disconnect, + .info = snd_hdsp_info_rpm_disconnect + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Input 1/2", + .get = snd_hdsp_get_rpm_input12, + .put = snd_hdsp_put_rpm_input12, + .info = snd_hdsp_info_rpm_input + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Input 3/4", + .get = snd_hdsp_get_rpm_input34, + .put = snd_hdsp_put_rpm_input34, + .info = snd_hdsp_info_rpm_input + }, + HDSP_SYSTEM_SAMPLE_RATE("System Sample Rate", 0), + HDSP_MIXER("Mixer", 0) +}; + +static const struct snd_kcontrol_new snd_hdsp_96xx_aeb = + HDSP_TOGGLE_SETTING("Analog Extension Board", + HDSP_AnalogExtensionBoard); +static struct snd_kcontrol_new snd_hdsp_adat_sync_check = HDSP_ADAT_SYNC_CHECK; + + +static bool hdsp_loopback_get(struct hdsp *const hdsp, const u8 channel) +{ + return hdsp->io_loopback & (1 << channel); +} + +static int hdsp_loopback_set(struct hdsp *const hdsp, const u8 channel, const bool enable) +{ + if (hdsp_loopback_get(hdsp, channel) == enable) + return 0; + + hdsp->io_loopback ^= (1 << channel); + + hdsp_write(hdsp, HDSP_inputEnable + (4 * (hdsp->max_channels + channel)), enable); + + return 1; +} + +static int snd_hdsp_loopback_get(struct snd_kcontrol *const kcontrol, + struct snd_ctl_elem_value *const ucontrol) +{ + struct hdsp *const hdsp = snd_kcontrol_chip(kcontrol); + const u8 channel = snd_ctl_get_ioff(kcontrol, &ucontrol->id); + + if (channel >= hdsp->max_channels) + return -ENOENT; + + ucontrol->value.integer.value[0] = hdsp_loopback_get(hdsp, channel); + + return 0; +} + +static int snd_hdsp_loopback_put(struct snd_kcontrol *const kcontrol, + struct snd_ctl_elem_value *const ucontrol) +{ + struct hdsp *const hdsp = snd_kcontrol_chip(kcontrol); + const u8 channel = snd_ctl_get_ioff(kcontrol, &ucontrol->id); + const bool enable = ucontrol->value.integer.value[0] & 1; + + if (channel >= hdsp->max_channels) + return -ENOENT; + + return hdsp_loopback_set(hdsp, channel, enable); +} + +static struct snd_kcontrol_new snd_hdsp_loopback_control = { + .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, + .name = "Output Loopback", + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = snd_ctl_boolean_mono_info, + .get = snd_hdsp_loopback_get, + .put = snd_hdsp_loopback_put +}; + +static int snd_hdsp_create_controls(struct snd_card *card, struct hdsp *hdsp) +{ + unsigned int idx; + int err; + struct snd_kcontrol *kctl; + + if (hdsp->io_type == RPM) { + /* RPM Bypass, Disconnect and Input switches */ + for (idx = 0; idx < ARRAY_SIZE(snd_hdsp_rpm_controls); idx++) { + err = snd_ctl_add(card, snd_ctl_new1(&snd_hdsp_rpm_controls[idx], hdsp)); + if (err < 0) + return err; + } + return 0; + } + + for (idx = 0; idx < ARRAY_SIZE(snd_hdsp_controls); idx++) { + kctl = snd_ctl_new1(&snd_hdsp_controls[idx], hdsp); + err = snd_ctl_add(card, kctl); + if (err < 0) + return err; + if (idx == 1) /* IEC958 (S/PDIF) Stream */ + hdsp->spdif_ctl = kctl; + } + + /* ADAT SyncCheck status */ + snd_hdsp_adat_sync_check.name = "ADAT Lock Status"; + snd_hdsp_adat_sync_check.index = 1; + kctl = snd_ctl_new1(&snd_hdsp_adat_sync_check, hdsp); + err = snd_ctl_add(card, kctl); + if (err < 0) + return err; + if (hdsp->io_type == Digiface || hdsp->io_type == H9652) { + for (idx = 1; idx < 3; ++idx) { + snd_hdsp_adat_sync_check.index = idx+1; + kctl = snd_ctl_new1(&snd_hdsp_adat_sync_check, hdsp); + err = snd_ctl_add(card, kctl); + if (err < 0) + return err; + } + } + + /* DA, AD and Phone gain and XLR breakout cable controls for H9632 cards */ + if (hdsp->io_type == H9632) { + for (idx = 0; idx < ARRAY_SIZE(snd_hdsp_9632_controls); idx++) { + kctl = snd_ctl_new1(&snd_hdsp_9632_controls[idx], hdsp); + err = snd_ctl_add(card, kctl); + if (err < 0) + return err; + } + } + + /* Output loopback controls for H9632 cards */ + if (hdsp->io_type == H9632) { + snd_hdsp_loopback_control.count = hdsp->max_channels; + kctl = snd_ctl_new1(&snd_hdsp_loopback_control, hdsp); + if (kctl == NULL) + return -ENOMEM; + err = snd_ctl_add(card, kctl); + if (err < 0) + return err; + } + + /* AEB control for H96xx card */ + if (hdsp->io_type == H9632 || hdsp->io_type == H9652) { + kctl = snd_ctl_new1(&snd_hdsp_96xx_aeb, hdsp); + err = snd_ctl_add(card, kctl); + if (err < 0) + return err; + } + + return 0; +} + +/*------------------------------------------------------------ + /proc interface + ------------------------------------------------------------*/ + +static void +snd_hdsp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) +{ + struct hdsp *hdsp = entry->private_data; + unsigned int status; + unsigned int status2; + char *pref_sync_ref; + char *autosync_ref; + char *system_clock_mode; + char *clock_source; + int x; + + status = hdsp_read(hdsp, HDSP_statusRegister); + status2 = hdsp_read(hdsp, HDSP_status2Register); + + snd_iprintf(buffer, "%s (Card #%d)\n", hdsp->card_name, + hdsp->card->number + 1); + snd_iprintf(buffer, "Buffers: capture %p playback %p\n", + hdsp->capture_buffer, hdsp->playback_buffer); + snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n", + hdsp->irq, hdsp->port, (unsigned long)hdsp->iobase); + snd_iprintf(buffer, "Control register: 0x%x\n", hdsp->control_register); + snd_iprintf(buffer, "Control2 register: 0x%x\n", + hdsp->control2_register); + snd_iprintf(buffer, "Status register: 0x%x\n", status); + snd_iprintf(buffer, "Status2 register: 0x%x\n", status2); + + if (hdsp_check_for_iobox(hdsp)) { + snd_iprintf(buffer, "No I/O box connected.\n" + "Please connect one and upload firmware.\n"); + return; + } + + if (hdsp_check_for_firmware(hdsp, 0)) { + if (hdsp->state & HDSP_FirmwareCached) { + if (snd_hdsp_load_firmware_from_cache(hdsp) != 0) { + snd_iprintf(buffer, "Firmware loading from " + "cache failed, " + "please upload manually.\n"); + return; + } + } else { + int err; + + err = hdsp_request_fw_loader(hdsp); + if (err < 0) { + snd_iprintf(buffer, + "No firmware loaded nor cached, " + "please upload firmware.\n"); + return; + } + } + } + + snd_iprintf(buffer, "FIFO status: %d\n", hdsp_read(hdsp, HDSP_fifoStatus) & 0xff); + snd_iprintf(buffer, "MIDI1 Output status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusOut0)); + snd_iprintf(buffer, "MIDI1 Input status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusIn0)); + snd_iprintf(buffer, "MIDI2 Output status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusOut1)); + snd_iprintf(buffer, "MIDI2 Input status: 0x%x\n", hdsp_read(hdsp, HDSP_midiStatusIn1)); + snd_iprintf(buffer, "Use Midi Tasklet: %s\n", hdsp->use_midi_work ? "on" : "off"); + + snd_iprintf(buffer, "\n"); + + x = 1 << (6 + hdsp_decode_latency(hdsp->control_register & HDSP_LatencyMask)); + + snd_iprintf(buffer, "Buffer Size (Latency): %d samples (2 periods of %lu bytes)\n", x, (unsigned long) hdsp->period_bytes); + snd_iprintf(buffer, "Hardware pointer (frames): %ld\n", hdsp_hw_pointer(hdsp)); + snd_iprintf(buffer, "Precise pointer: %s\n", hdsp->precise_ptr ? "on" : "off"); + snd_iprintf(buffer, "Line out: %s\n", (hdsp->control_register & HDSP_LineOut) ? "on" : "off"); + + snd_iprintf(buffer, "Firmware version: %d\n", (status2&HDSP_version0)|(status2&HDSP_version1)<<1|(status2&HDSP_version2)<<2); + + snd_iprintf(buffer, "\n"); + + switch (hdsp_clock_source(hdsp)) { + case HDSP_CLOCK_SOURCE_AUTOSYNC: + clock_source = "AutoSync"; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_32KHZ: + clock_source = "Internal 32 kHz"; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ: + clock_source = "Internal 44.1 kHz"; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_48KHZ: + clock_source = "Internal 48 kHz"; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_64KHZ: + clock_source = "Internal 64 kHz"; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ: + clock_source = "Internal 88.2 kHz"; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_96KHZ: + clock_source = "Internal 96 kHz"; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_128KHZ: + clock_source = "Internal 128 kHz"; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ: + clock_source = "Internal 176.4 kHz"; + break; + case HDSP_CLOCK_SOURCE_INTERNAL_192KHZ: + clock_source = "Internal 192 kHz"; + break; + default: + clock_source = "Error"; + } + snd_iprintf (buffer, "Sample Clock Source: %s\n", clock_source); + + if (hdsp_system_clock_mode(hdsp)) + system_clock_mode = "Slave"; + else + system_clock_mode = "Master"; + + switch (hdsp_pref_sync_ref (hdsp)) { + case HDSP_SYNC_FROM_WORD: + pref_sync_ref = "Word Clock"; + break; + case HDSP_SYNC_FROM_ADAT_SYNC: + pref_sync_ref = "ADAT Sync"; + break; + case HDSP_SYNC_FROM_SPDIF: + pref_sync_ref = "SPDIF"; + break; + case HDSP_SYNC_FROM_ADAT1: + pref_sync_ref = "ADAT1"; + break; + case HDSP_SYNC_FROM_ADAT2: + pref_sync_ref = "ADAT2"; + break; + case HDSP_SYNC_FROM_ADAT3: + pref_sync_ref = "ADAT3"; + break; + default: + pref_sync_ref = "Word Clock"; + break; + } + snd_iprintf (buffer, "Preferred Sync Reference: %s\n", pref_sync_ref); + + switch (hdsp_autosync_ref (hdsp)) { + case HDSP_AUTOSYNC_FROM_WORD: + autosync_ref = "Word Clock"; + break; + case HDSP_AUTOSYNC_FROM_ADAT_SYNC: + autosync_ref = "ADAT Sync"; + break; + case HDSP_AUTOSYNC_FROM_SPDIF: + autosync_ref = "SPDIF"; + break; + case HDSP_AUTOSYNC_FROM_NONE: + autosync_ref = "None"; + break; + case HDSP_AUTOSYNC_FROM_ADAT1: + autosync_ref = "ADAT1"; + break; + case HDSP_AUTOSYNC_FROM_ADAT2: + autosync_ref = "ADAT2"; + break; + case HDSP_AUTOSYNC_FROM_ADAT3: + autosync_ref = "ADAT3"; + break; + default: + autosync_ref = "---"; + break; + } + snd_iprintf (buffer, "AutoSync Reference: %s\n", autosync_ref); + + snd_iprintf (buffer, "AutoSync Frequency: %d\n", hdsp_external_sample_rate(hdsp)); + + snd_iprintf (buffer, "System Clock Mode: %s\n", system_clock_mode); + + snd_iprintf (buffer, "System Clock Frequency: %d\n", hdsp->system_sample_rate); + snd_iprintf (buffer, "System Clock Locked: %s\n", hdsp->clock_source_locked ? "Yes" : "No"); + + snd_iprintf(buffer, "\n"); + + if (hdsp->io_type != RPM) { + switch (hdsp_spdif_in(hdsp)) { + case HDSP_SPDIFIN_OPTICAL: + snd_iprintf(buffer, "IEC958 input: Optical\n"); + break; + case HDSP_SPDIFIN_COAXIAL: + snd_iprintf(buffer, "IEC958 input: Coaxial\n"); + break; + case HDSP_SPDIFIN_INTERNAL: + snd_iprintf(buffer, "IEC958 input: Internal\n"); + break; + case HDSP_SPDIFIN_AES: + snd_iprintf(buffer, "IEC958 input: AES\n"); + break; + default: + snd_iprintf(buffer, "IEC958 input: ???\n"); + break; + } + } + + if (RPM == hdsp->io_type) { + if (hdsp->control_register & HDSP_RPM_Bypass) + snd_iprintf(buffer, "RPM Bypass: disabled\n"); + else + snd_iprintf(buffer, "RPM Bypass: enabled\n"); + if (hdsp->control_register & HDSP_RPM_Disconnect) + snd_iprintf(buffer, "RPM disconnected\n"); + else + snd_iprintf(buffer, "RPM connected\n"); + + switch (hdsp->control_register & HDSP_RPM_Inp12) { + case HDSP_RPM_Inp12_Phon_6dB: + snd_iprintf(buffer, "Input 1/2: Phono, 6dB\n"); + break; + case HDSP_RPM_Inp12_Phon_0dB: + snd_iprintf(buffer, "Input 1/2: Phono, 0dB\n"); + break; + case HDSP_RPM_Inp12_Phon_n6dB: + snd_iprintf(buffer, "Input 1/2: Phono, -6dB\n"); + break; + case HDSP_RPM_Inp12_Line_0dB: + snd_iprintf(buffer, "Input 1/2: Line, 0dB\n"); + break; + case HDSP_RPM_Inp12_Line_n6dB: + snd_iprintf(buffer, "Input 1/2: Line, -6dB\n"); + break; + default: + snd_iprintf(buffer, "Input 1/2: ???\n"); + } + + switch (hdsp->control_register & HDSP_RPM_Inp34) { + case HDSP_RPM_Inp34_Phon_6dB: + snd_iprintf(buffer, "Input 3/4: Phono, 6dB\n"); + break; + case HDSP_RPM_Inp34_Phon_0dB: + snd_iprintf(buffer, "Input 3/4: Phono, 0dB\n"); + break; + case HDSP_RPM_Inp34_Phon_n6dB: + snd_iprintf(buffer, "Input 3/4: Phono, -6dB\n"); + break; + case HDSP_RPM_Inp34_Line_0dB: + snd_iprintf(buffer, "Input 3/4: Line, 0dB\n"); + break; + case HDSP_RPM_Inp34_Line_n6dB: + snd_iprintf(buffer, "Input 3/4: Line, -6dB\n"); + break; + default: + snd_iprintf(buffer, "Input 3/4: ???\n"); + } + + } else { + if (hdsp->control_register & HDSP_SPDIFOpticalOut) + snd_iprintf(buffer, "IEC958 output: Coaxial & ADAT1\n"); + else + snd_iprintf(buffer, "IEC958 output: Coaxial only\n"); + + if (hdsp->control_register & HDSP_SPDIFProfessional) + snd_iprintf(buffer, "IEC958 quality: Professional\n"); + else + snd_iprintf(buffer, "IEC958 quality: Consumer\n"); + + if (hdsp->control_register & HDSP_SPDIFEmphasis) + snd_iprintf(buffer, "IEC958 emphasis: on\n"); + else + snd_iprintf(buffer, "IEC958 emphasis: off\n"); + + if (hdsp->control_register & HDSP_SPDIFNonAudio) + snd_iprintf(buffer, "IEC958 NonAudio: on\n"); + else + snd_iprintf(buffer, "IEC958 NonAudio: off\n"); + x = hdsp_spdif_sample_rate(hdsp); + if (x != 0) + snd_iprintf(buffer, "IEC958 sample rate: %d\n", x); + else + snd_iprintf(buffer, "IEC958 sample rate: Error flag set\n"); + } + snd_iprintf(buffer, "\n"); + + /* Sync Check */ + x = status & HDSP_Sync0; + if (status & HDSP_Lock0) + snd_iprintf(buffer, "ADAT1: %s\n", x ? "Sync" : "Lock"); + else + snd_iprintf(buffer, "ADAT1: No Lock\n"); + + switch (hdsp->io_type) { + case Digiface: + case H9652: + x = status & HDSP_Sync1; + if (status & HDSP_Lock1) + snd_iprintf(buffer, "ADAT2: %s\n", x ? "Sync" : "Lock"); + else + snd_iprintf(buffer, "ADAT2: No Lock\n"); + x = status & HDSP_Sync2; + if (status & HDSP_Lock2) + snd_iprintf(buffer, "ADAT3: %s\n", x ? "Sync" : "Lock"); + else + snd_iprintf(buffer, "ADAT3: No Lock\n"); + break; + default: + /* relax */ + break; + } + + x = status & HDSP_SPDIFSync; + if (status & HDSP_SPDIFErrorFlag) + snd_iprintf (buffer, "SPDIF: No Lock\n"); + else + snd_iprintf (buffer, "SPDIF: %s\n", x ? "Sync" : "Lock"); + + x = status2 & HDSP_wc_sync; + if (status2 & HDSP_wc_lock) + snd_iprintf (buffer, "Word Clock: %s\n", x ? "Sync" : "Lock"); + else + snd_iprintf (buffer, "Word Clock: No Lock\n"); + + x = status & HDSP_TimecodeSync; + if (status & HDSP_TimecodeLock) + snd_iprintf(buffer, "ADAT Sync: %s\n", x ? "Sync" : "Lock"); + else + snd_iprintf(buffer, "ADAT Sync: No Lock\n"); + + snd_iprintf(buffer, "\n"); + + /* Informations about H9632 specific controls */ + if (hdsp->io_type == H9632) { + char *tmp; + + switch (hdsp_ad_gain(hdsp)) { + case 0: + tmp = "-10 dBV"; + break; + case 1: + tmp = "+4 dBu"; + break; + default: + tmp = "Lo Gain"; + break; + } + snd_iprintf(buffer, "AD Gain : %s\n", tmp); + + switch (hdsp_da_gain(hdsp)) { + case 0: + tmp = "Hi Gain"; + break; + case 1: + tmp = "+4 dBu"; + break; + default: + tmp = "-10 dBV"; + break; + } + snd_iprintf(buffer, "DA Gain : %s\n", tmp); + + switch (hdsp_phone_gain(hdsp)) { + case 0: + tmp = "0 dB"; + break; + case 1: + tmp = "-6 dB"; + break; + default: + tmp = "-12 dB"; + break; + } + snd_iprintf(buffer, "Phones Gain : %s\n", tmp); + + snd_iprintf(buffer, "XLR Breakout Cable : %s\n", + hdsp_toggle_setting(hdsp, HDSP_XLRBreakoutCable) ? + "yes" : "no"); + + if (hdsp->control_register & HDSP_AnalogExtensionBoard) + snd_iprintf(buffer, "AEB : on (ADAT1 internal)\n"); + else + snd_iprintf(buffer, "AEB : off (ADAT1 external)\n"); + snd_iprintf(buffer, "\n"); + } + +} + +static void snd_hdsp_proc_init(struct hdsp *hdsp) +{ + snd_card_ro_proc_new(hdsp->card, "hdsp", hdsp, snd_hdsp_proc_read); +} + +static int snd_hdsp_initialize_memory(struct hdsp *hdsp) +{ + struct snd_dma_buffer *capture_dma, *playback_dma; + + capture_dma = snd_hammerfall_get_buffer(hdsp->pci, HDSP_DMA_AREA_BYTES); + playback_dma = snd_hammerfall_get_buffer(hdsp->pci, HDSP_DMA_AREA_BYTES); + if (!capture_dma || !playback_dma) { + dev_err(hdsp->card->dev, + "%s: no buffers available\n", hdsp->card_name); + return -ENOMEM; + } + + /* copy to the own data for alignment */ + hdsp->capture_dma_buf = *capture_dma; + hdsp->playback_dma_buf = *playback_dma; + + /* Align to bus-space 64K boundary */ + hdsp->capture_dma_buf.addr = ALIGN(capture_dma->addr, 0x10000ul); + hdsp->playback_dma_buf.addr = ALIGN(playback_dma->addr, 0x10000ul); + + /* Tell the card where it is */ + hdsp_write(hdsp, HDSP_inputBufferAddress, hdsp->capture_dma_buf.addr); + hdsp_write(hdsp, HDSP_outputBufferAddress, hdsp->playback_dma_buf.addr); + + hdsp->capture_dma_buf.area += hdsp->capture_dma_buf.addr - capture_dma->addr; + hdsp->playback_dma_buf.area += hdsp->playback_dma_buf.addr - playback_dma->addr; + hdsp->capture_buffer = hdsp->capture_dma_buf.area; + hdsp->playback_buffer = hdsp->playback_dma_buf.area; + + return 0; +} + +static int snd_hdsp_set_defaults(struct hdsp *hdsp) +{ + unsigned int i; + + /* ASSUMPTION: hdsp->lock is either held, or + there is no need to hold it (e.g. during module + initialization). + */ + + /* set defaults: + + SPDIF Input via Coax + Master clock mode + maximum latency (7 => 2^7 = 8192 samples, 64Kbyte buffer, + which implies 2 4096 sample, 32Kbyte periods). + Enable line out. + */ + + hdsp->control_register = HDSP_ClockModeMaster | + HDSP_SPDIFInputCoaxial | + hdsp_encode_latency(7) | + HDSP_LineOut; + + + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + +#ifdef SNDRV_BIG_ENDIAN + hdsp->control2_register = HDSP_BIGENDIAN_MODE; +#else + hdsp->control2_register = 0; +#endif + if (hdsp->io_type == H9652) + snd_hdsp_9652_enable_mixer (hdsp); + else + hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register); + + hdsp_reset_hw_pointer(hdsp); + hdsp_compute_period_size(hdsp); + + /* silence everything */ + + for (i = 0; i < HDSP_MATRIX_MIXER_SIZE; ++i) + hdsp->mixer_matrix[i] = MINUS_INFINITY_GAIN; + + for (i = 0; i < ((hdsp->io_type == H9652 || hdsp->io_type == H9632) ? 1352 : HDSP_MATRIX_MIXER_SIZE); ++i) { + if (hdsp_write_gain (hdsp, i, MINUS_INFINITY_GAIN)) + return -EIO; + } + + /* H9632 specific defaults */ + if (hdsp->io_type == H9632) { + hdsp->control_register |= (HDSP_DAGainPlus4dBu | HDSP_ADGainPlus4dBu | HDSP_PhoneGain0dB); + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + } + + /* set a default rate so that the channel map is set up. + */ + + hdsp_set_rate(hdsp, 48000, 1); + + return 0; +} + +static void hdsp_midi_work(struct work_struct *work) +{ + struct hdsp *hdsp = container_of(work, struct hdsp, midi_work); + + if (hdsp->midi[0].pending) + snd_hdsp_midi_input_read (&hdsp->midi[0]); + if (hdsp->midi[1].pending) + snd_hdsp_midi_input_read (&hdsp->midi[1]); +} + +static irqreturn_t snd_hdsp_interrupt(int irq, void *dev_id) +{ + struct hdsp *hdsp = (struct hdsp *) dev_id; + unsigned int status; + int audio; + int midi0; + int midi1; + unsigned int midi0status; + unsigned int midi1status; + int schedule = 0; + + status = hdsp_read(hdsp, HDSP_statusRegister); + + audio = status & HDSP_audioIRQPending; + midi0 = status & HDSP_midi0IRQPending; + midi1 = status & HDSP_midi1IRQPending; + + if (!audio && !midi0 && !midi1) + return IRQ_NONE; + + hdsp_write(hdsp, HDSP_interruptConfirmation, 0); + + midi0status = hdsp_read (hdsp, HDSP_midiStatusIn0) & 0xff; + midi1status = hdsp_read (hdsp, HDSP_midiStatusIn1) & 0xff; + + if (!(hdsp->state & HDSP_InitializationComplete)) + return IRQ_HANDLED; + + if (audio) { + if (hdsp->capture_substream) + snd_pcm_period_elapsed(hdsp->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream); + + if (hdsp->playback_substream) + snd_pcm_period_elapsed(hdsp->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream); + } + + if (midi0 && midi0status) { + if (hdsp->use_midi_work) { + /* we disable interrupts for this input until processing is done */ + hdsp->control_register &= ~HDSP_Midi0InterruptEnable; + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + hdsp->midi[0].pending = 1; + schedule = 1; + } else { + snd_hdsp_midi_input_read (&hdsp->midi[0]); + } + } + if (hdsp->io_type != Multiface && hdsp->io_type != RPM && hdsp->io_type != H9632 && midi1 && midi1status) { + if (hdsp->use_midi_work) { + /* we disable interrupts for this input until processing is done */ + hdsp->control_register &= ~HDSP_Midi1InterruptEnable; + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register); + hdsp->midi[1].pending = 1; + schedule = 1; + } else { + snd_hdsp_midi_input_read (&hdsp->midi[1]); + } + } + if (hdsp->use_midi_work && schedule) + queue_work(system_highpri_wq, &hdsp->midi_work); + return IRQ_HANDLED; +} + +static snd_pcm_uframes_t snd_hdsp_hw_pointer(struct snd_pcm_substream *substream) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + return hdsp_hw_pointer(hdsp); +} + +static signed char *hdsp_channel_buffer_location(struct hdsp *hdsp, + int stream, + int channel) + +{ + int mapped_channel; + + if (snd_BUG_ON(channel < 0 || channel >= hdsp->max_channels)) + return NULL; + + mapped_channel = hdsp->channel_map[channel]; + if (mapped_channel < 0) + return NULL; + + if (stream == SNDRV_PCM_STREAM_CAPTURE) + return hdsp->capture_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES); + else + return hdsp->playback_buffer + (mapped_channel * HDSP_CHANNEL_BUFFER_BYTES); +} + +static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *src, unsigned long count) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + signed char *channel_buf; + + if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES)) + return -EINVAL; + + channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + if (copy_from_user(channel_buf + pos, src, count)) + return -EFAULT; + return 0; +} + +static int snd_hdsp_playback_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *src, unsigned long count) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + signed char *channel_buf; + + channel_buf = hdsp_channel_buffer_location(hdsp, substream->pstr->stream, channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + memcpy(channel_buf + pos, src, count); + return 0; +} + +static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *dst, unsigned long count) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + signed char *channel_buf; + + if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES)) + return -EINVAL; + + channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + if (copy_to_user(dst, channel_buf + pos, count)) + return -EFAULT; + return 0; +} + +static int snd_hdsp_capture_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long count) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + signed char *channel_buf; + + channel_buf = hdsp_channel_buffer_location(hdsp, substream->pstr->stream, channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + memcpy(dst, channel_buf + pos, count); + return 0; +} + +static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + unsigned long count) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + signed char *channel_buf; + + channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + memset(channel_buf + pos, 0, count); + return 0; +} + +static int snd_hdsp_reset(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + struct snd_pcm_substream *other; + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + other = hdsp->capture_substream; + else + other = hdsp->playback_substream; + if (hdsp->running) + runtime->status->hw_ptr = hdsp_hw_pointer(hdsp); + else + runtime->status->hw_ptr = 0; + if (other) { + struct snd_pcm_substream *s; + struct snd_pcm_runtime *oruntime = other->runtime; + snd_pcm_group_for_each_entry(s, substream) { + if (s == other) { + oruntime->status->hw_ptr = runtime->status->hw_ptr; + break; + } + } + } + return 0; +} + +static int snd_hdsp_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + int err; + pid_t this_pid; + pid_t other_pid; + + if (hdsp_check_for_iobox (hdsp)) + return -EIO; + + if (hdsp_check_for_firmware(hdsp, 1)) + return -EIO; + + spin_lock_irq(&hdsp->lock); + + if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) { + hdsp->control_register &= ~(HDSP_SPDIFProfessional | HDSP_SPDIFNonAudio | HDSP_SPDIFEmphasis); + hdsp_write(hdsp, HDSP_controlRegister, hdsp->control_register |= hdsp->creg_spdif_stream); + this_pid = hdsp->playback_pid; + other_pid = hdsp->capture_pid; + } else { + this_pid = hdsp->capture_pid; + other_pid = hdsp->playback_pid; + } + + if ((other_pid > 0) && (this_pid != other_pid)) { + + /* The other stream is open, and not by the same + task as this one. Make sure that the parameters + that matter are the same. + */ + + if (params_rate(params) != hdsp->system_sample_rate) { + spin_unlock_irq(&hdsp->lock); + _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE); + return -EBUSY; + } + + if (params_period_size(params) != hdsp->period_bytes / 4) { + spin_unlock_irq(&hdsp->lock); + _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE); + return -EBUSY; + } + + /* We're fine. */ + + spin_unlock_irq(&hdsp->lock); + return 0; + + } else { + spin_unlock_irq(&hdsp->lock); + } + + /* how to make sure that the rate matches an externally-set one ? + */ + + spin_lock_irq(&hdsp->lock); + if (! hdsp->clock_source_locked) { + err = hdsp_set_rate(hdsp, params_rate(params), 0); + if (err < 0) { + spin_unlock_irq(&hdsp->lock); + _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE); + return err; + } + } + spin_unlock_irq(&hdsp->lock); + + err = hdsp_set_interrupt_interval(hdsp, params_period_size(params)); + if (err < 0) { + _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE); + return err; + } + + return 0; +} + +static int snd_hdsp_channel_info(struct snd_pcm_substream *substream, + struct snd_pcm_channel_info *info) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + unsigned int channel = info->channel; + + if (snd_BUG_ON(channel >= hdsp->max_channels)) + return -EINVAL; + channel = array_index_nospec(channel, hdsp->max_channels); + + if (hdsp->channel_map[channel] < 0) + return -EINVAL; + + info->offset = hdsp->channel_map[channel] * HDSP_CHANNEL_BUFFER_BYTES; + info->first = 0; + info->step = 32; + return 0; +} + +static int snd_hdsp_ioctl(struct snd_pcm_substream *substream, + unsigned int cmd, void *arg) +{ + switch (cmd) { + case SNDRV_PCM_IOCTL1_RESET: + return snd_hdsp_reset(substream); + case SNDRV_PCM_IOCTL1_CHANNEL_INFO: + return snd_hdsp_channel_info(substream, arg); + default: + break; + } + + return snd_pcm_lib_ioctl(substream, cmd, arg); +} + +static int snd_hdsp_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + struct snd_pcm_substream *other; + int running; + + if (hdsp_check_for_iobox (hdsp)) + return -EIO; + + if (hdsp_check_for_firmware(hdsp, 0)) /* no auto-loading in trigger */ + return -EIO; + + spin_lock(&hdsp->lock); + running = hdsp->running; + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + running |= 1 << substream->stream; + break; + case SNDRV_PCM_TRIGGER_STOP: + running &= ~(1 << substream->stream); + break; + default: + snd_BUG(); + spin_unlock(&hdsp->lock); + return -EINVAL; + } + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + other = hdsp->capture_substream; + else + other = hdsp->playback_substream; + + if (other) { + struct snd_pcm_substream *s; + snd_pcm_group_for_each_entry(s, substream) { + if (s == other) { + snd_pcm_trigger_done(s, substream); + if (cmd == SNDRV_PCM_TRIGGER_START) + running |= 1 << s->stream; + else + running &= ~(1 << s->stream); + goto _ok; + } + } + if (cmd == SNDRV_PCM_TRIGGER_START) { + if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) && + substream->stream == SNDRV_PCM_STREAM_CAPTURE) + hdsp_silence_playback(hdsp); + } else { + if (running && + substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + hdsp_silence_playback(hdsp); + } + } else { + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + hdsp_silence_playback(hdsp); + } + _ok: + snd_pcm_trigger_done(substream, substream); + if (!hdsp->running && running) + hdsp_start_audio(hdsp); + else if (hdsp->running && !running) + hdsp_stop_audio(hdsp); + hdsp->running = running; + spin_unlock(&hdsp->lock); + + return 0; +} + +static int snd_hdsp_prepare(struct snd_pcm_substream *substream) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + int result = 0; + + if (hdsp_check_for_iobox (hdsp)) + return -EIO; + + if (hdsp_check_for_firmware(hdsp, 1)) + return -EIO; + + spin_lock_irq(&hdsp->lock); + if (!hdsp->running) + hdsp_reset_hw_pointer(hdsp); + spin_unlock_irq(&hdsp->lock); + return result; +} + +static const struct snd_pcm_hardware snd_hdsp_playback_subinfo = +{ + .info = (SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_NONINTERLEAVED | + SNDRV_PCM_INFO_SYNC_START | + SNDRV_PCM_INFO_DOUBLE), +#ifdef SNDRV_BIG_ENDIAN + .formats = SNDRV_PCM_FMTBIT_S32_BE, +#else + .formats = SNDRV_PCM_FMTBIT_S32_LE, +#endif + .rates = (SNDRV_PCM_RATE_32000 | + SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_64000 | + SNDRV_PCM_RATE_88200 | + SNDRV_PCM_RATE_96000), + .rate_min = 32000, + .rate_max = 96000, + .channels_min = 6, + .channels_max = HDSP_MAX_CHANNELS, + .buffer_bytes_max = HDSP_CHANNEL_BUFFER_BYTES * HDSP_MAX_CHANNELS, + .period_bytes_min = (64 * 4) * 10, + .period_bytes_max = (8192 * 4) * HDSP_MAX_CHANNELS, + .periods_min = 2, + .periods_max = 2, + .fifo_size = 0 +}; + +static const struct snd_pcm_hardware snd_hdsp_capture_subinfo = +{ + .info = (SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_NONINTERLEAVED | + SNDRV_PCM_INFO_SYNC_START), +#ifdef SNDRV_BIG_ENDIAN + .formats = SNDRV_PCM_FMTBIT_S32_BE, +#else + .formats = SNDRV_PCM_FMTBIT_S32_LE, +#endif + .rates = (SNDRV_PCM_RATE_32000 | + SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_64000 | + SNDRV_PCM_RATE_88200 | + SNDRV_PCM_RATE_96000), + .rate_min = 32000, + .rate_max = 96000, + .channels_min = 5, + .channels_max = HDSP_MAX_CHANNELS, + .buffer_bytes_max = HDSP_CHANNEL_BUFFER_BYTES * HDSP_MAX_CHANNELS, + .period_bytes_min = (64 * 4) * 10, + .period_bytes_max = (8192 * 4) * HDSP_MAX_CHANNELS, + .periods_min = 2, + .periods_max = 2, + .fifo_size = 0 +}; + +static const unsigned int hdsp_period_sizes[] = { 64, 128, 256, 512, 1024, 2048, 4096, 8192 }; + +static const struct snd_pcm_hw_constraint_list hdsp_hw_constraints_period_sizes = { + .count = ARRAY_SIZE(hdsp_period_sizes), + .list = hdsp_period_sizes, + .mask = 0 +}; + +static const unsigned int hdsp_9632_sample_rates[] = { 32000, 44100, 48000, 64000, 88200, 96000, 128000, 176400, 192000 }; + +static const struct snd_pcm_hw_constraint_list hdsp_hw_constraints_9632_sample_rates = { + .count = ARRAY_SIZE(hdsp_9632_sample_rates), + .list = hdsp_9632_sample_rates, + .mask = 0 +}; + +static int snd_hdsp_hw_rule_in_channels(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule) +{ + struct hdsp *hdsp = rule->private; + struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + if (hdsp->io_type == H9632) { + unsigned int list[3]; + list[0] = hdsp->qs_in_channels; + list[1] = hdsp->ds_in_channels; + list[2] = hdsp->ss_in_channels; + return snd_interval_list(c, 3, list, 0); + } else { + unsigned int list[2]; + list[0] = hdsp->ds_in_channels; + list[1] = hdsp->ss_in_channels; + return snd_interval_list(c, 2, list, 0); + } +} + +static int snd_hdsp_hw_rule_out_channels(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule) +{ + unsigned int list[3]; + struct hdsp *hdsp = rule->private; + struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + if (hdsp->io_type == H9632) { + list[0] = hdsp->qs_out_channels; + list[1] = hdsp->ds_out_channels; + list[2] = hdsp->ss_out_channels; + return snd_interval_list(c, 3, list, 0); + } else { + list[0] = hdsp->ds_out_channels; + list[1] = hdsp->ss_out_channels; + } + return snd_interval_list(c, 2, list, 0); +} + +static int snd_hdsp_hw_rule_in_channels_rate(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule) +{ + struct hdsp *hdsp = rule->private; + struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + if (r->min > 96000 && hdsp->io_type == H9632) { + struct snd_interval t = { + .min = hdsp->qs_in_channels, + .max = hdsp->qs_in_channels, + .integer = 1, + }; + return snd_interval_refine(c, &t); + } else if (r->min > 48000 && r->max <= 96000) { + struct snd_interval t = { + .min = hdsp->ds_in_channels, + .max = hdsp->ds_in_channels, + .integer = 1, + }; + return snd_interval_refine(c, &t); + } else if (r->max < 64000) { + struct snd_interval t = { + .min = hdsp->ss_in_channels, + .max = hdsp->ss_in_channels, + .integer = 1, + }; + return snd_interval_refine(c, &t); + } + return 0; +} + +static int snd_hdsp_hw_rule_out_channels_rate(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule) +{ + struct hdsp *hdsp = rule->private; + struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + if (r->min > 96000 && hdsp->io_type == H9632) { + struct snd_interval t = { + .min = hdsp->qs_out_channels, + .max = hdsp->qs_out_channels, + .integer = 1, + }; + return snd_interval_refine(c, &t); + } else if (r->min > 48000 && r->max <= 96000) { + struct snd_interval t = { + .min = hdsp->ds_out_channels, + .max = hdsp->ds_out_channels, + .integer = 1, + }; + return snd_interval_refine(c, &t); + } else if (r->max < 64000) { + struct snd_interval t = { + .min = hdsp->ss_out_channels, + .max = hdsp->ss_out_channels, + .integer = 1, + }; + return snd_interval_refine(c, &t); + } + return 0; +} + +static int snd_hdsp_hw_rule_rate_out_channels(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule) +{ + struct hdsp *hdsp = rule->private; + struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + if (c->min >= hdsp->ss_out_channels) { + struct snd_interval t = { + .min = 32000, + .max = 48000, + .integer = 1, + }; + return snd_interval_refine(r, &t); + } else if (c->max <= hdsp->qs_out_channels && hdsp->io_type == H9632) { + struct snd_interval t = { + .min = 128000, + .max = 192000, + .integer = 1, + }; + return snd_interval_refine(r, &t); + } else if (c->max <= hdsp->ds_out_channels) { + struct snd_interval t = { + .min = 64000, + .max = 96000, + .integer = 1, + }; + return snd_interval_refine(r, &t); + } + return 0; +} + +static int snd_hdsp_hw_rule_rate_in_channels(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule) +{ + struct hdsp *hdsp = rule->private; + struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + if (c->min >= hdsp->ss_in_channels) { + struct snd_interval t = { + .min = 32000, + .max = 48000, + .integer = 1, + }; + return snd_interval_refine(r, &t); + } else if (c->max <= hdsp->qs_in_channels && hdsp->io_type == H9632) { + struct snd_interval t = { + .min = 128000, + .max = 192000, + .integer = 1, + }; + return snd_interval_refine(r, &t); + } else if (c->max <= hdsp->ds_in_channels) { + struct snd_interval t = { + .min = 64000, + .max = 96000, + .integer = 1, + }; + return snd_interval_refine(r, &t); + } + return 0; +} + +static int snd_hdsp_playback_open(struct snd_pcm_substream *substream) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + + if (hdsp_check_for_iobox (hdsp)) + return -EIO; + + if (hdsp_check_for_firmware(hdsp, 1)) + return -EIO; + + spin_lock_irq(&hdsp->lock); + + snd_pcm_set_sync(substream); + + runtime->hw = snd_hdsp_playback_subinfo; + snd_pcm_set_runtime_buffer(substream, &hdsp->playback_dma_buf); + + hdsp->playback_pid = current->pid; + hdsp->playback_substream = substream; + + spin_unlock_irq(&hdsp->lock); + + snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24); + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hdsp_hw_constraints_period_sizes); + if (hdsp->clock_source_locked) { + runtime->hw.rate_min = runtime->hw.rate_max = hdsp->system_sample_rate; + } else if (hdsp->io_type == H9632) { + runtime->hw.rate_max = 192000; + runtime->hw.rates = SNDRV_PCM_RATE_KNOT; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hdsp_hw_constraints_9632_sample_rates); + } + if (hdsp->io_type == H9632) { + runtime->hw.channels_min = hdsp->qs_out_channels; + runtime->hw.channels_max = hdsp->ss_out_channels; + } + + snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + snd_hdsp_hw_rule_out_channels, hdsp, + SNDRV_PCM_HW_PARAM_CHANNELS, -1); + snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + snd_hdsp_hw_rule_out_channels_rate, hdsp, + SNDRV_PCM_HW_PARAM_RATE, -1); + snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, + snd_hdsp_hw_rule_rate_out_channels, hdsp, + SNDRV_PCM_HW_PARAM_CHANNELS, -1); + + if (RPM != hdsp->io_type) { + hdsp->creg_spdif_stream = hdsp->creg_spdif; + hdsp->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(hdsp->card, SNDRV_CTL_EVENT_MASK_VALUE | + SNDRV_CTL_EVENT_MASK_INFO, &hdsp->spdif_ctl->id); + } + return 0; +} + +static int snd_hdsp_playback_release(struct snd_pcm_substream *substream) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + + spin_lock_irq(&hdsp->lock); + + hdsp->playback_pid = -1; + hdsp->playback_substream = NULL; + + spin_unlock_irq(&hdsp->lock); + + if (RPM != hdsp->io_type) { + hdsp->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(hdsp->card, SNDRV_CTL_EVENT_MASK_VALUE | + SNDRV_CTL_EVENT_MASK_INFO, &hdsp->spdif_ctl->id); + } + return 0; +} + + +static int snd_hdsp_capture_open(struct snd_pcm_substream *substream) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + + if (hdsp_check_for_iobox (hdsp)) + return -EIO; + + if (hdsp_check_for_firmware(hdsp, 1)) + return -EIO; + + spin_lock_irq(&hdsp->lock); + + snd_pcm_set_sync(substream); + + runtime->hw = snd_hdsp_capture_subinfo; + snd_pcm_set_runtime_buffer(substream, &hdsp->capture_dma_buf); + + hdsp->capture_pid = current->pid; + hdsp->capture_substream = substream; + + spin_unlock_irq(&hdsp->lock); + + snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24); + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hdsp_hw_constraints_period_sizes); + if (hdsp->io_type == H9632) { + runtime->hw.channels_min = hdsp->qs_in_channels; + runtime->hw.channels_max = hdsp->ss_in_channels; + runtime->hw.rate_max = 192000; + runtime->hw.rates = SNDRV_PCM_RATE_KNOT; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hdsp_hw_constraints_9632_sample_rates); + } + snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + snd_hdsp_hw_rule_in_channels, hdsp, + SNDRV_PCM_HW_PARAM_CHANNELS, -1); + snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + snd_hdsp_hw_rule_in_channels_rate, hdsp, + SNDRV_PCM_HW_PARAM_RATE, -1); + snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, + snd_hdsp_hw_rule_rate_in_channels, hdsp, + SNDRV_PCM_HW_PARAM_CHANNELS, -1); + return 0; +} + +static int snd_hdsp_capture_release(struct snd_pcm_substream *substream) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + + spin_lock_irq(&hdsp->lock); + + hdsp->capture_pid = -1; + hdsp->capture_substream = NULL; + + spin_unlock_irq(&hdsp->lock); + return 0; +} + +/* helper functions for copying meter values */ +static inline int copy_u32_le(void __user *dest, void __iomem *src) +{ + u32 val = readl(src); + return copy_to_user(dest, &val, 4); +} + +static inline int copy_u64_le(void __user *dest, void __iomem *src_low, void __iomem *src_high) +{ + u32 rms_low, rms_high; + u64 rms; + rms_low = readl(src_low); + rms_high = readl(src_high); + rms = ((u64)rms_high << 32) | rms_low; + return copy_to_user(dest, &rms, 8); +} + +static inline int copy_u48_le(void __user *dest, void __iomem *src_low, void __iomem *src_high) +{ + u32 rms_low, rms_high; + u64 rms; + rms_low = readl(src_low) & 0xffffff00; + rms_high = readl(src_high) & 0xffffff00; + rms = ((u64)rms_high << 32) | rms_low; + return copy_to_user(dest, &rms, 8); +} + +static int hdsp_9652_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms) +{ + int doublespeed = 0; + int i, j, channels, ofs; + + if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DoubleSpeedStatus) + doublespeed = 1; + channels = doublespeed ? 14 : 26; + for (i = 0, j = 0; i < 26; ++i) { + if (doublespeed && (i & 4)) + continue; + ofs = HDSP_9652_peakBase - j * 4; + if (copy_u32_le(&peak_rms->input_peaks[i], hdsp->iobase + ofs)) + return -EFAULT; + ofs -= channels * 4; + if (copy_u32_le(&peak_rms->playback_peaks[i], hdsp->iobase + ofs)) + return -EFAULT; + ofs -= channels * 4; + if (copy_u32_le(&peak_rms->output_peaks[i], hdsp->iobase + ofs)) + return -EFAULT; + ofs = HDSP_9652_rmsBase + j * 8; + if (copy_u48_le(&peak_rms->input_rms[i], hdsp->iobase + ofs, + hdsp->iobase + ofs + 4)) + return -EFAULT; + ofs += channels * 8; + if (copy_u48_le(&peak_rms->playback_rms[i], hdsp->iobase + ofs, + hdsp->iobase + ofs + 4)) + return -EFAULT; + ofs += channels * 8; + if (copy_u48_le(&peak_rms->output_rms[i], hdsp->iobase + ofs, + hdsp->iobase + ofs + 4)) + return -EFAULT; + j++; + } + return 0; +} + +static int hdsp_9632_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms) +{ + int i, j; + struct hdsp_9632_meters __iomem *m; + int doublespeed = 0; + + if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DoubleSpeedStatus) + doublespeed = 1; + m = (struct hdsp_9632_meters __iomem *)(hdsp->iobase+HDSP_9632_metersBase); + for (i = 0, j = 0; i < 16; ++i, ++j) { + if (copy_u32_le(&peak_rms->input_peaks[i], &m->input_peak[j])) + return -EFAULT; + if (copy_u32_le(&peak_rms->playback_peaks[i], &m->playback_peak[j])) + return -EFAULT; + if (copy_u32_le(&peak_rms->output_peaks[i], &m->output_peak[j])) + return -EFAULT; + if (copy_u64_le(&peak_rms->input_rms[i], &m->input_rms_low[j], + &m->input_rms_high[j])) + return -EFAULT; + if (copy_u64_le(&peak_rms->playback_rms[i], &m->playback_rms_low[j], + &m->playback_rms_high[j])) + return -EFAULT; + if (copy_u64_le(&peak_rms->output_rms[i], &m->output_rms_low[j], + &m->output_rms_high[j])) + return -EFAULT; + if (doublespeed && i == 3) i += 4; + } + return 0; +} + +static int hdsp_get_peak(struct hdsp *hdsp, struct hdsp_peak_rms __user *peak_rms) +{ + int i; + + for (i = 0; i < 26; i++) { + if (copy_u32_le(&peak_rms->playback_peaks[i], + hdsp->iobase + HDSP_playbackPeakLevel + i * 4)) + return -EFAULT; + if (copy_u32_le(&peak_rms->input_peaks[i], + hdsp->iobase + HDSP_inputPeakLevel + i * 4)) + return -EFAULT; + } + for (i = 0; i < 28; i++) { + if (copy_u32_le(&peak_rms->output_peaks[i], + hdsp->iobase + HDSP_outputPeakLevel + i * 4)) + return -EFAULT; + } + for (i = 0; i < 26; ++i) { + if (copy_u64_le(&peak_rms->playback_rms[i], + hdsp->iobase + HDSP_playbackRmsLevel + i * 8 + 4, + hdsp->iobase + HDSP_playbackRmsLevel + i * 8)) + return -EFAULT; + if (copy_u64_le(&peak_rms->input_rms[i], + hdsp->iobase + HDSP_inputRmsLevel + i * 8 + 4, + hdsp->iobase + HDSP_inputRmsLevel + i * 8)) + return -EFAULT; + } + return 0; +} + +static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigned int cmd, unsigned long arg) +{ + struct hdsp *hdsp = hw->private_data; + void __user *argp = (void __user *)arg; + int err; + + switch (cmd) { + case SNDRV_HDSP_IOCTL_GET_PEAK_RMS: { + struct hdsp_peak_rms __user *peak_rms = (struct hdsp_peak_rms __user *)arg; + + err = hdsp_check_for_iobox(hdsp); + if (err < 0) + return err; + + err = hdsp_check_for_firmware(hdsp, 1); + if (err < 0) + return err; + + if (!(hdsp->state & HDSP_FirmwareLoaded)) { + dev_err(hdsp->card->dev, + "firmware needs to be uploaded to the card.\n"); + return -EINVAL; + } + + switch (hdsp->io_type) { + case H9652: + return hdsp_9652_get_peak(hdsp, peak_rms); + case H9632: + return hdsp_9632_get_peak(hdsp, peak_rms); + default: + return hdsp_get_peak(hdsp, peak_rms); + } + } + case SNDRV_HDSP_IOCTL_GET_CONFIG_INFO: { + struct hdsp_config_info info; + unsigned long flags; + int i; + + err = hdsp_check_for_iobox(hdsp); + if (err < 0) + return err; + + err = hdsp_check_for_firmware(hdsp, 1); + if (err < 0) + return err; + + memset(&info, 0, sizeof(info)); + spin_lock_irqsave(&hdsp->lock, flags); + info.pref_sync_ref = (unsigned char)hdsp_pref_sync_ref(hdsp); + info.wordclock_sync_check = (unsigned char)hdsp_wc_sync_check(hdsp); + if (hdsp->io_type != H9632) + info.adatsync_sync_check = (unsigned char)hdsp_adatsync_sync_check(hdsp); + info.spdif_sync_check = (unsigned char)hdsp_spdif_sync_check(hdsp); + for (i = 0; i < ((hdsp->io_type != Multiface && hdsp->io_type != RPM && hdsp->io_type != H9632) ? 3 : 1); ++i) + info.adat_sync_check[i] = (unsigned char)hdsp_adat_sync_check(hdsp, i); + info.spdif_in = (unsigned char)hdsp_spdif_in(hdsp); + info.spdif_out = (unsigned char)hdsp_toggle_setting(hdsp, + HDSP_SPDIFOpticalOut); + info.spdif_professional = (unsigned char) + hdsp_toggle_setting(hdsp, HDSP_SPDIFProfessional); + info.spdif_emphasis = (unsigned char) + hdsp_toggle_setting(hdsp, HDSP_SPDIFEmphasis); + info.spdif_nonaudio = (unsigned char) + hdsp_toggle_setting(hdsp, HDSP_SPDIFNonAudio); + info.spdif_sample_rate = hdsp_spdif_sample_rate(hdsp); + info.system_sample_rate = hdsp->system_sample_rate; + info.autosync_sample_rate = hdsp_external_sample_rate(hdsp); + info.system_clock_mode = (unsigned char)hdsp_system_clock_mode(hdsp); + info.clock_source = (unsigned char)hdsp_clock_source(hdsp); + info.autosync_ref = (unsigned char)hdsp_autosync_ref(hdsp); + info.line_out = (unsigned char) + hdsp_toggle_setting(hdsp, HDSP_LineOut); + if (hdsp->io_type == H9632) { + info.da_gain = (unsigned char)hdsp_da_gain(hdsp); + info.ad_gain = (unsigned char)hdsp_ad_gain(hdsp); + info.phone_gain = (unsigned char)hdsp_phone_gain(hdsp); + info.xlr_breakout_cable = + (unsigned char)hdsp_toggle_setting(hdsp, + HDSP_XLRBreakoutCable); + + } else if (hdsp->io_type == RPM) { + info.da_gain = (unsigned char) hdsp_rpm_input12(hdsp); + info.ad_gain = (unsigned char) hdsp_rpm_input34(hdsp); + } + if (hdsp->io_type == H9632 || hdsp->io_type == H9652) + info.analog_extension_board = + (unsigned char)hdsp_toggle_setting(hdsp, + HDSP_AnalogExtensionBoard); + spin_unlock_irqrestore(&hdsp->lock, flags); + if (copy_to_user(argp, &info, sizeof(info))) + return -EFAULT; + break; + } + case SNDRV_HDSP_IOCTL_GET_9632_AEB: { + struct hdsp_9632_aeb h9632_aeb; + + if (hdsp->io_type != H9632) return -EINVAL; + h9632_aeb.aebi = hdsp->ss_in_channels - H9632_SS_CHANNELS; + h9632_aeb.aebo = hdsp->ss_out_channels - H9632_SS_CHANNELS; + if (copy_to_user(argp, &h9632_aeb, sizeof(h9632_aeb))) + return -EFAULT; + break; + } + case SNDRV_HDSP_IOCTL_GET_VERSION: { + struct hdsp_version hdsp_version; + int err; + + if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL; + if (hdsp->io_type == Undefined) { + err = hdsp_get_iobox_version(hdsp); + if (err < 0) + return err; + } + memset(&hdsp_version, 0, sizeof(hdsp_version)); + hdsp_version.io_type = hdsp->io_type; + hdsp_version.firmware_rev = hdsp->firmware_rev; + if (copy_to_user(argp, &hdsp_version, sizeof(hdsp_version))) + return -EFAULT; + break; + } + case SNDRV_HDSP_IOCTL_UPLOAD_FIRMWARE: { + struct hdsp_firmware firmware; + u32 __user *firmware_data; + int err; + + if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL; + /* SNDRV_HDSP_IOCTL_GET_VERSION must have been called */ + if (hdsp->io_type == Undefined) return -EINVAL; + + if (hdsp->state & (HDSP_FirmwareCached | HDSP_FirmwareLoaded)) + return -EBUSY; + + dev_info(hdsp->card->dev, + "initializing firmware upload\n"); + if (copy_from_user(&firmware, argp, sizeof(firmware))) + return -EFAULT; + firmware_data = (u32 __user *)firmware.firmware_data; + + if (hdsp_check_for_iobox (hdsp)) + return -EIO; + + if (!hdsp->fw_uploaded) { + hdsp->fw_uploaded = vmalloc(HDSP_FIRMWARE_SIZE); + if (!hdsp->fw_uploaded) + return -ENOMEM; + } + + if (copy_from_user(hdsp->fw_uploaded, firmware_data, + HDSP_FIRMWARE_SIZE)) { + vfree(hdsp->fw_uploaded); + hdsp->fw_uploaded = NULL; + return -EFAULT; + } + + hdsp->state |= HDSP_FirmwareCached; + + err = snd_hdsp_load_firmware_from_cache(hdsp); + if (err < 0) + return err; + + if (!(hdsp->state & HDSP_InitializationComplete)) { + err = snd_hdsp_enable_io(hdsp); + if (err < 0) + return err; + + snd_hdsp_initialize_channels(hdsp); + snd_hdsp_initialize_midi_flush(hdsp); + + err = snd_hdsp_create_alsa_devices(hdsp->card, hdsp); + if (err < 0) { + dev_err(hdsp->card->dev, + "error creating alsa devices\n"); + return err; + } + } + break; + } + case SNDRV_HDSP_IOCTL_GET_MIXER: { + struct hdsp_mixer __user *mixer = (struct hdsp_mixer __user *)argp; + if (copy_to_user(mixer->matrix, hdsp->mixer_matrix, sizeof(unsigned short)*HDSP_MATRIX_MIXER_SIZE)) + return -EFAULT; + break; + } + default: + return -EINVAL; + } + return 0; +} + +static const struct snd_pcm_ops snd_hdsp_playback_ops = { + .open = snd_hdsp_playback_open, + .close = snd_hdsp_playback_release, + .ioctl = snd_hdsp_ioctl, + .hw_params = snd_hdsp_hw_params, + .prepare = snd_hdsp_prepare, + .trigger = snd_hdsp_trigger, + .pointer = snd_hdsp_hw_pointer, + .copy_user = snd_hdsp_playback_copy, + .copy_kernel = snd_hdsp_playback_copy_kernel, + .fill_silence = snd_hdsp_hw_silence, +}; + +static const struct snd_pcm_ops snd_hdsp_capture_ops = { + .open = snd_hdsp_capture_open, + .close = snd_hdsp_capture_release, + .ioctl = snd_hdsp_ioctl, + .hw_params = snd_hdsp_hw_params, + .prepare = snd_hdsp_prepare, + .trigger = snd_hdsp_trigger, + .pointer = snd_hdsp_hw_pointer, + .copy_user = snd_hdsp_capture_copy, + .copy_kernel = snd_hdsp_capture_copy_kernel, +}; + +static int snd_hdsp_create_hwdep(struct snd_card *card, struct hdsp *hdsp) +{ + struct snd_hwdep *hw; + int err; + + err = snd_hwdep_new(card, "HDSP hwdep", 0, &hw); + if (err < 0) + return err; + + hdsp->hwdep = hw; + hw->private_data = hdsp; + strcpy(hw->name, "HDSP hwdep interface"); + + hw->ops.ioctl = snd_hdsp_hwdep_ioctl; + hw->ops.ioctl_compat = snd_hdsp_hwdep_ioctl; + + return 0; +} + +static int snd_hdsp_create_pcm(struct snd_card *card, struct hdsp *hdsp) +{ + struct snd_pcm *pcm; + int err; + + err = snd_pcm_new(card, hdsp->card_name, 0, 1, 1, &pcm); + if (err < 0) + return err; + + hdsp->pcm = pcm; + pcm->private_data = hdsp; + strcpy(pcm->name, hdsp->card_name); + + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_hdsp_playback_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_hdsp_capture_ops); + + pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX; + + return 0; +} + +static void snd_hdsp_9652_enable_mixer (struct hdsp *hdsp) +{ + hdsp->control2_register |= HDSP_9652_ENABLE_MIXER; + hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register); +} + +static int snd_hdsp_enable_io (struct hdsp *hdsp) +{ + int i; + + if (hdsp_fifo_wait (hdsp, 0, 100)) { + dev_err(hdsp->card->dev, + "enable_io fifo_wait failed\n"); + return -EIO; + } + + for (i = 0; i < hdsp->max_channels; ++i) { + hdsp_write (hdsp, HDSP_inputEnable + (4 * i), 1); + hdsp_write (hdsp, HDSP_outputEnable + (4 * i), 1); + } + + return 0; +} + +static void snd_hdsp_initialize_channels(struct hdsp *hdsp) +{ + int status, aebi_channels, aebo_channels, i; + + switch (hdsp->io_type) { + case Digiface: + hdsp->card_name = "RME Hammerfall DSP + Digiface"; + hdsp->ss_in_channels = hdsp->ss_out_channels = DIGIFACE_SS_CHANNELS; + hdsp->ds_in_channels = hdsp->ds_out_channels = DIGIFACE_DS_CHANNELS; + break; + + case H9652: + hdsp->card_name = "RME Hammerfall HDSP 9652"; + hdsp->ss_in_channels = hdsp->ss_out_channels = H9652_SS_CHANNELS; + hdsp->ds_in_channels = hdsp->ds_out_channels = H9652_DS_CHANNELS; + break; + + case H9632: + status = hdsp_read(hdsp, HDSP_statusRegister); + /* HDSP_AEBx bits are low when AEB are connected */ + aebi_channels = (status & HDSP_AEBI) ? 0 : 4; + aebo_channels = (status & HDSP_AEBO) ? 0 : 4; + hdsp->card_name = "RME Hammerfall HDSP 9632"; + hdsp->ss_in_channels = H9632_SS_CHANNELS+aebi_channels; + hdsp->ds_in_channels = H9632_DS_CHANNELS+aebi_channels; + hdsp->qs_in_channels = H9632_QS_CHANNELS+aebi_channels; + hdsp->ss_out_channels = H9632_SS_CHANNELS+aebo_channels; + hdsp->ds_out_channels = H9632_DS_CHANNELS+aebo_channels; + hdsp->qs_out_channels = H9632_QS_CHANNELS+aebo_channels; + /* Disable loopback of output channels, as the set function + * only sets on a change we fake all bits (channels) as enabled. + */ + hdsp->io_loopback = 0xffffffff; + for (i = 0; i < hdsp->max_channels; ++i) + hdsp_loopback_set(hdsp, i, false); + break; + + case Multiface: + hdsp->card_name = "RME Hammerfall DSP + Multiface"; + hdsp->ss_in_channels = hdsp->ss_out_channels = MULTIFACE_SS_CHANNELS; + hdsp->ds_in_channels = hdsp->ds_out_channels = MULTIFACE_DS_CHANNELS; + break; + + case RPM: + hdsp->card_name = "RME Hammerfall DSP + RPM"; + hdsp->ss_in_channels = RPM_CHANNELS-1; + hdsp->ss_out_channels = RPM_CHANNELS; + hdsp->ds_in_channels = RPM_CHANNELS-1; + hdsp->ds_out_channels = RPM_CHANNELS; + break; + + default: + /* should never get here */ + break; + } +} + +static void snd_hdsp_initialize_midi_flush (struct hdsp *hdsp) +{ + snd_hdsp_flush_midi_input (hdsp, 0); + snd_hdsp_flush_midi_input (hdsp, 1); +} + +static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp) +{ + int err; + + err = snd_hdsp_create_pcm(card, hdsp); + if (err < 0) { + dev_err(card->dev, + "Error creating pcm interface\n"); + return err; + } + + + err = snd_hdsp_create_midi(card, hdsp, 0); + if (err < 0) { + dev_err(card->dev, + "Error creating first midi interface\n"); + return err; + } + + if (hdsp->io_type == Digiface || hdsp->io_type == H9652) { + err = snd_hdsp_create_midi(card, hdsp, 1); + if (err < 0) { + dev_err(card->dev, + "Error creating second midi interface\n"); + return err; + } + } + + err = snd_hdsp_create_controls(card, hdsp); + if (err < 0) { + dev_err(card->dev, + "Error creating ctl interface\n"); + return err; + } + + snd_hdsp_proc_init(hdsp); + + hdsp->system_sample_rate = -1; + hdsp->playback_pid = -1; + hdsp->capture_pid = -1; + hdsp->capture_substream = NULL; + hdsp->playback_substream = NULL; + + err = snd_hdsp_set_defaults(hdsp); + if (err < 0) { + dev_err(card->dev, + "Error setting default values\n"); + return err; + } + + if (!(hdsp->state & HDSP_InitializationComplete)) { + strcpy(card->shortname, "Hammerfall DSP"); + sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name, + hdsp->port, hdsp->irq); + + err = snd_card_register(card); + if (err < 0) { + dev_err(card->dev, + "error registering card\n"); + return err; + } + hdsp->state |= HDSP_InitializationComplete; + } + + return 0; +} + +/* load firmware via hotplug fw loader */ +static int hdsp_request_fw_loader(struct hdsp *hdsp) +{ + const char *fwfile; + const struct firmware *fw; + int err; + + if (hdsp->io_type == H9652 || hdsp->io_type == H9632) + return 0; + if (hdsp->io_type == Undefined) { + err = hdsp_get_iobox_version(hdsp); + if (err < 0) + return err; + if (hdsp->io_type == H9652 || hdsp->io_type == H9632) + return 0; + } + + /* caution: max length of firmware filename is 30! */ + switch (hdsp->io_type) { + case RPM: + fwfile = "rpm_firmware.bin"; + break; + case Multiface: + if (hdsp->firmware_rev == 0xa) + fwfile = "multiface_firmware.bin"; + else + fwfile = "multiface_firmware_rev11.bin"; + break; + case Digiface: + if (hdsp->firmware_rev == 0xa) + fwfile = "digiface_firmware.bin"; + else + fwfile = "digiface_firmware_rev11.bin"; + break; + default: + dev_err(hdsp->card->dev, + "invalid io_type %d\n", hdsp->io_type); + return -EINVAL; + } + + if (request_firmware(&fw, fwfile, &hdsp->pci->dev)) { + dev_err(hdsp->card->dev, + "cannot load firmware %s\n", fwfile); + return -ENOENT; + } + if (fw->size < HDSP_FIRMWARE_SIZE) { + dev_err(hdsp->card->dev, + "too short firmware size %d (expected %d)\n", + (int)fw->size, HDSP_FIRMWARE_SIZE); + release_firmware(fw); + return -EINVAL; + } + + hdsp->firmware = fw; + + hdsp->state |= HDSP_FirmwareCached; + + err = snd_hdsp_load_firmware_from_cache(hdsp); + if (err < 0) + return err; + + if (!(hdsp->state & HDSP_InitializationComplete)) { + err = snd_hdsp_enable_io(hdsp); + if (err < 0) + return err; + + err = snd_hdsp_create_hwdep(hdsp->card, hdsp); + if (err < 0) { + dev_err(hdsp->card->dev, + "error creating hwdep device\n"); + return err; + } + snd_hdsp_initialize_channels(hdsp); + snd_hdsp_initialize_midi_flush(hdsp); + err = snd_hdsp_create_alsa_devices(hdsp->card, hdsp); + if (err < 0) { + dev_err(hdsp->card->dev, + "error creating alsa devices\n"); + return err; + } + } + return 0; +} + +static int snd_hdsp_create(struct snd_card *card, + struct hdsp *hdsp) +{ + struct pci_dev *pci = hdsp->pci; + int err; + int is_9652 = 0; + int is_9632 = 0; + + hdsp->irq = -1; + hdsp->state = 0; + hdsp->midi[0].rmidi = NULL; + hdsp->midi[1].rmidi = NULL; + hdsp->midi[0].input = NULL; + hdsp->midi[1].input = NULL; + hdsp->midi[0].output = NULL; + hdsp->midi[1].output = NULL; + hdsp->midi[0].pending = 0; + hdsp->midi[1].pending = 0; + spin_lock_init(&hdsp->midi[0].lock); + spin_lock_init(&hdsp->midi[1].lock); + hdsp->iobase = NULL; + hdsp->control_register = 0; + hdsp->control2_register = 0; + hdsp->io_type = Undefined; + hdsp->max_channels = 26; + + hdsp->card = card; + + spin_lock_init(&hdsp->lock); + + INIT_WORK(&hdsp->midi_work, hdsp_midi_work); + + pci_read_config_word(hdsp->pci, PCI_CLASS_REVISION, &hdsp->firmware_rev); + hdsp->firmware_rev &= 0xff; + + /* From Martin Bjoernsen : + "It is important that the card's latency timer register in + the PCI configuration space is set to a value much larger + than 0 by the computer's BIOS or the driver. + The windows driver always sets this 8 bit register [...] + to its maximum 255 to avoid problems with some computers." + */ + pci_write_config_byte(hdsp->pci, PCI_LATENCY_TIMER, 0xFF); + + strcpy(card->driver, "H-DSP"); + strcpy(card->mixername, "Xilinx FPGA"); + + if (hdsp->firmware_rev < 0xa) + return -ENODEV; + else if (hdsp->firmware_rev < 0x64) + hdsp->card_name = "RME Hammerfall DSP"; + else if (hdsp->firmware_rev < 0x96) { + hdsp->card_name = "RME HDSP 9652"; + is_9652 = 1; + } else { + hdsp->card_name = "RME HDSP 9632"; + hdsp->max_channels = 16; + is_9632 = 1; + } + + err = pcim_enable_device(pci); + if (err < 0) + return err; + + pci_set_master(hdsp->pci); + + err = pci_request_regions(pci, "hdsp"); + if (err < 0) + return err; + hdsp->port = pci_resource_start(pci, 0); + hdsp->iobase = devm_ioremap(&pci->dev, hdsp->port, HDSP_IO_EXTENT); + if (!hdsp->iobase) { + dev_err(hdsp->card->dev, "unable to remap region 0x%lx-0x%lx\n", + hdsp->port, hdsp->port + HDSP_IO_EXTENT - 1); + return -EBUSY; + } + + if (devm_request_irq(&pci->dev, pci->irq, snd_hdsp_interrupt, + IRQF_SHARED, KBUILD_MODNAME, hdsp)) { + dev_err(hdsp->card->dev, "unable to use IRQ %d\n", pci->irq); + return -EBUSY; + } + + hdsp->irq = pci->irq; + card->sync_irq = hdsp->irq; + hdsp->precise_ptr = 0; + hdsp->use_midi_work = 1; + hdsp->dds_value = 0; + + err = snd_hdsp_initialize_memory(hdsp); + if (err < 0) + return err; + + if (!is_9652 && !is_9632) { + /* we wait a maximum of 10 seconds to let freshly + * inserted cardbus cards do their hardware init */ + err = hdsp_wait_for_iobox(hdsp, 1000, 10); + + if (err < 0) + return err; + + if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) { + err = hdsp_request_fw_loader(hdsp); + if (err < 0) + /* we don't fail as this can happen + if userspace is not ready for + firmware upload + */ + dev_err(hdsp->card->dev, + "couldn't get firmware from userspace. try using hdsploader\n"); + else + /* init is complete, we return */ + return 0; + /* we defer initialization */ + dev_info(hdsp->card->dev, + "card initialization pending : waiting for firmware\n"); + err = snd_hdsp_create_hwdep(card, hdsp); + if (err < 0) + return err; + return 0; + } else { + dev_info(hdsp->card->dev, + "Firmware already present, initializing card.\n"); + if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version2) + hdsp->io_type = RPM; + else if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version1) + hdsp->io_type = Multiface; + else + hdsp->io_type = Digiface; + } + } + + err = snd_hdsp_enable_io(hdsp); + if (err) + return err; + + if (is_9652) + hdsp->io_type = H9652; + + if (is_9632) + hdsp->io_type = H9632; + + err = snd_hdsp_create_hwdep(card, hdsp); + if (err < 0) + return err; + + snd_hdsp_initialize_channels(hdsp); + snd_hdsp_initialize_midi_flush(hdsp); + + hdsp->state |= HDSP_FirmwareLoaded; + + err = snd_hdsp_create_alsa_devices(card, hdsp); + if (err < 0) + return err; + + return 0; +} + +static void snd_hdsp_card_free(struct snd_card *card) +{ + struct hdsp *hdsp = card->private_data; + + if (hdsp->port) { + /* stop the audio, and cancel all interrupts */ + cancel_work_sync(&hdsp->midi_work); + hdsp->control_register &= ~(HDSP_Start|HDSP_AudioInterruptEnable|HDSP_Midi0InterruptEnable|HDSP_Midi1InterruptEnable); + hdsp_write (hdsp, HDSP_controlRegister, hdsp->control_register); + } + + release_firmware(hdsp->firmware); + vfree(hdsp->fw_uploaded); +} + +static int snd_hdsp_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) +{ + static int dev; + struct hdsp *hdsp; + struct snd_card *card; + int err; + + if (dev >= SNDRV_CARDS) + return -ENODEV; + if (!enable[dev]) { + dev++; + return -ENOENT; + } + + err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, + sizeof(struct hdsp), &card); + if (err < 0) + return err; + + hdsp = card->private_data; + card->private_free = snd_hdsp_card_free; + hdsp->dev = dev; + hdsp->pci = pci; + err = snd_hdsp_create(card, hdsp); + if (err) + goto error; + + strcpy(card->shortname, "Hammerfall DSP"); + sprintf(card->longname, "%s at 0x%lx, irq %d", hdsp->card_name, + hdsp->port, hdsp->irq); + err = snd_card_register(card); + if (err) + goto error; + pci_set_drvdata(pci, card); + dev++; + return 0; + + error: + snd_card_free(card); + return err; +} + +static struct pci_driver hdsp_driver = { + .name = KBUILD_MODNAME, + .id_table = snd_hdsp_ids, + .probe = snd_hdsp_probe, +}; + +module_pci_driver(hdsp_driver); |