--- /dev/null
+/* -*- linux-c -*-
+ *
+ * ALSA driver for RME Hammerfall DSP MADI audio interface(s)
+ *
+ * Copyright (c) 2003 Winfried Ritsch (IEM)
+ * code based on hdsp.c Paul Davis
+ * Marcus Andersson
+ * Thomas Charbonnel
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#include <sound/driver.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/moduleparam.h>
+#include <linux/slab.h>
+#include <linux/pci.h>
+#include <asm/io.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/hdspm.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 int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
+
+/* Disable precise pointer at start */
+static int precise_ptr[SNDRV_CARDS];
+
+/* Send all playback to line outs */
+static int line_outs_monitor[SNDRV_CARDS];
+
+/* Enable Analog Outs on Channel 63/64 by default */
+static int enable_monitor[SNDRV_CARDS];
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for RME HDSPM interface.");
+
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for RME HDSPM interface.");
+
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable/disable specific HDSPM soundcards.");
+
+module_param_array(precise_ptr, bool, NULL, 0444);
+MODULE_PARM_DESC(precise_ptr, "Enable precise pointer, or disable.");
+
+module_param_array(line_outs_monitor, bool, NULL, 0444);
+MODULE_PARM_DESC(line_outs_monitor,
+ "Send playback streams to analog outs by default.");
+
+module_param_array(enable_monitor, bool, NULL, 0444);
+MODULE_PARM_DESC(enable_monitor,
+ "Enable Analog Out on Channel 63/64 by default.");
+
+MODULE_AUTHOR
+ ("Winfried Ritsch <ritsch_AT_iem.at>, Paul Davis <paul@linuxaudiosystems.com>, "
+ "Marcus Andersson, Thomas Charbonnel <thomas@undata.org>");
+MODULE_DESCRIPTION("RME HDSPM");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{RME HDSPM-MADI}}");
+
+/* --- Write registers. ---
+ These are defined as byte-offsets from the iobase value. */
+
+#define HDSPM_controlRegister 64
+#define HDSPM_interruptConfirmation 96
+#define HDSPM_control2Reg 256 /* not in specs ???????? */
+#define HDSPM_midiDataOut0 352 /* just believe in old code */
+#define HDSPM_midiDataOut1 356
+
+/* DMA enable for 64 channels, only Bit 0 is relevant */
+#define HDSPM_outputEnableBase 512 /* 512-767 input DMA */
+#define HDSPM_inputEnableBase 768 /* 768-1023 output DMA */
+
+/* 16 page addresses for each of the 64 channels DMA buffer in and out
+ (each 64k=16*4k) Buffer must be 4k aligned (which is default i386 ????) */
+#define HDSPM_pageAddressBufferOut 8192
+#define HDSPM_pageAddressBufferIn (HDSPM_pageAddressBufferOut+64*16*4)
+
+#define HDSPM_MADI_mixerBase 32768 /* 32768-65535 for 2x64x64 Fader */
+
+#define HDSPM_MATRIX_MIXER_SIZE 8192 /* = 2*64*64 * 4 Byte => 32kB */
+
+/* --- Read registers. ---
+ These are defined as byte-offsets from the iobase value */
+#define HDSPM_statusRegister 0
+#define HDSPM_statusRegister2 96
+
+#define HDSPM_midiDataIn0 360
+#define HDSPM_midiDataIn1 364
+
+/* status is data bytes in MIDI-FIFO (0-128) */
+#define HDSPM_midiStatusOut0 384
+#define HDSPM_midiStatusOut1 388
+#define HDSPM_midiStatusIn0 392
+#define HDSPM_midiStatusIn1 396
+
+
+/* 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 HDSPM_MADI_peakrmsbase 4096 /* 4096-8191 2x64x32Bit Meters */
+
+/* --- Control Register bits --------- */
+#define HDSPM_Start (1<<0) /* start engine */
+
+#define HDSPM_Latency0 (1<<1) /* buffer size = 2^n */
+#define HDSPM_Latency1 (1<<2) /* where n is defined */
+#define HDSPM_Latency2 (1<<3) /* by Latency{2,1,0} */
+
+#define HDSPM_ClockModeMaster (1<<4) /* 1=Master, 0=Slave/Autosync */
+
+#define HDSPM_AudioInterruptEnable (1<<5) /* what do you think ? */
+
+#define HDSPM_Frequency0 (1<<6) /* 0=44.1kHz/88.2kHz 1=48kHz/96kHz */
+#define HDSPM_Frequency1 (1<<7) /* 0=32kHz/64kHz */
+#define HDSPM_DoubleSpeed (1<<8) /* 0=normal speed, 1=double speed */
+#define HDSPM_QuadSpeed (1<<31) /* quad speed bit, not implemented now */
+
+#define HDSPM_TX_64ch (1<<10) /* Output 64channel MODE=1,
+ 56channelMODE=0 */
+
+#define HDSPM_AutoInp (1<<11) /* Auto Input (takeover) == Safe Mode,
+ 0=off, 1=on */
+
+#define HDSPM_InputSelect0 (1<<14) /* Input select 0= optical, 1=coax */
+#define HDSPM_InputSelect1 (1<<15) /* should be 0 */
+
+#define HDSPM_SyncRef0 (1<<16) /* 0=WOrd, 1=MADI */
+#define HDSPM_SyncRef1 (1<<17) /* should be 0 */
+
+#define HDSPM_clr_tms (1<<19) /* clear track marker, do not use
+ AES additional bits in
+ lower 5 Audiodatabits ??? */
+
+#define HDSPM_Midi0InterruptEnable (1<<22)
+#define HDSPM_Midi1InterruptEnable (1<<23)
+
+#define HDSPM_LineOut (1<<24) /* Analog Out on channel 63/64 on=1, mute=0 */
+
+
+/* --- bit helper defines */
+#define HDSPM_LatencyMask (HDSPM_Latency0|HDSPM_Latency1|HDSPM_Latency2)
+#define HDSPM_FrequencyMask (HDSPM_Frequency0|HDSPM_Frequency1)
+#define HDSPM_InputMask (HDSPM_InputSelect0|HDSPM_InputSelect1)
+#define HDSPM_InputOptical 0
+#define HDSPM_InputCoaxial (HDSPM_InputSelect0)
+#define HDSPM_SyncRefMask (HDSPM_SyncRef0|HDSPM_SyncRef1)
+#define HDSPM_SyncRef_Word 0
+#define HDSPM_SyncRef_MADI (HDSPM_SyncRef0)
+
+#define HDSPM_SYNC_FROM_WORD 0 /* Preferred sync reference */
+#define HDSPM_SYNC_FROM_MADI 1 /* choices - used by "pref_sync_ref" */
+
+#define HDSPM_Frequency32KHz HDSPM_Frequency0
+#define HDSPM_Frequency44_1KHz HDSPM_Frequency1
+#define HDSPM_Frequency48KHz (HDSPM_Frequency1|HDSPM_Frequency0)
+#define HDSPM_Frequency64KHz (HDSPM_DoubleSpeed|HDSPM_Frequency0)
+#define HDSPM_Frequency88_2KHz (HDSPM_DoubleSpeed|HDSPM_Frequency1)
+#define HDSPM_Frequency96KHz (HDSPM_DoubleSpeed|HDSPM_Frequency1|HDSPM_Frequency0)
+
+/* --- for internal discrimination */
+#define HDSPM_CLOCK_SOURCE_AUTOSYNC 0 /* Sample Clock Sources */
+#define HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ 1
+#define HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ 2
+#define HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ 3
+#define HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ 4
+#define HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ 5
+#define HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ 6
+#define HDSPM_CLOCK_SOURCE_INTERNAL_128KHZ 7
+#define HDSPM_CLOCK_SOURCE_INTERNAL_176_4KHZ 8
+#define HDSPM_CLOCK_SOURCE_INTERNAL_192KHZ 9
+
+/* Synccheck Status */
+#define HDSPM_SYNC_CHECK_NO_LOCK 0
+#define HDSPM_SYNC_CHECK_LOCK 1
+#define HDSPM_SYNC_CHECK_SYNC 2
+
+/* AutoSync References - used by "autosync_ref" control switch */
+#define HDSPM_AUTOSYNC_FROM_WORD 0
+#define HDSPM_AUTOSYNC_FROM_MADI 1
+#define HDSPM_AUTOSYNC_FROM_NONE 2
+
+/* Possible sources of MADI input */
+#define HDSPM_OPTICAL 0 /* optical */
+#define HDSPM_COAXIAL 1 /* BNC */
+
+#define hdspm_encode_latency(x) (((x)<<1) & HDSPM_LatencyMask)
+#define hdspm_decode_latency(x) (((x) & HDSPM_LatencyMask)>>1)
+
+#define hdspm_encode_in(x) (((x)&0x3)<<14)
+#define hdspm_decode_in(x) (((x)>>14)&0x3)
+
+/* --- control2 register bits --- */
+#define HDSPM_TMS (1<<0)
+#define HDSPM_TCK (1<<1)
+#define HDSPM_TDI (1<<2)
+#define HDSPM_JTAG (1<<3)
+#define HDSPM_PWDN (1<<4)
+#define HDSPM_PROGRAM (1<<5)
+#define HDSPM_CONFIG_MODE_0 (1<<6)
+#define HDSPM_CONFIG_MODE_1 (1<<7)
+/*#define HDSPM_VERSION_BIT (1<<8) not defined any more*/
+#define HDSPM_BIGENDIAN_MODE (1<<9)
+#define HDSPM_RD_MULTIPLE (1<<10)
+
+/* --- Status Register bits --- */
+#define HDSPM_audioIRQPending (1<<0) /* IRQ is high and pending */
+#define HDSPM_RX_64ch (1<<1) /* Input 64chan. MODE=1, 56chn. MODE=0 */
+#define HDSPM_AB_int (1<<2) /* InputChannel Opt=0, Coax=1 (like inp0) */
+#define HDSPM_madiLock (1<<3) /* MADI Locked =1, no=0 */
+
+#define HDSPM_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */
+ /* since 64byte accurate last 6 bits
+ are not used */
+
+#define HDSPM_madiSync (1<<18) /* MADI is in sync */
+#define HDSPM_DoubleSpeedStatus (1<<19) /* (input) card in double speed */
+
+#define HDSPM_madiFreq0 (1<<22) /* system freq 0=error */
+#define HDSPM_madiFreq1 (1<<23) /* 1=32, 2=44.1 3=48 */
+#define HDSPM_madiFreq2 (1<<24) /* 4=64, 5=88.2 6=96 */
+#define HDSPM_madiFreq3 (1<<25) /* 7=128, 8=176.4 9=192 */
+
+#define HDSPM_BufferID (1<<26) /* (Double)Buffer ID toggles with Interrupt */
+#define HDSPM_midi0IRQPending (1<<30) /* MIDI IRQ is pending */
+#define HDSPM_midi1IRQPending (1<<31) /* and aktiv */
+
+/* --- status bit helpers */
+#define HDSPM_madiFreqMask (HDSPM_madiFreq0|HDSPM_madiFreq1|HDSPM_madiFreq2|HDSPM_madiFreq3)
+#define HDSPM_madiFreq32 (HDSPM_madiFreq0)
+#define HDSPM_madiFreq44_1 (HDSPM_madiFreq1)
+#define HDSPM_madiFreq48 (HDSPM_madiFreq0|HDSPM_madiFreq1)
+#define HDSPM_madiFreq64 (HDSPM_madiFreq2)
+#define HDSPM_madiFreq88_2 (HDSPM_madiFreq0|HDSPM_madiFreq2)
+#define HDSPM_madiFreq96 (HDSPM_madiFreq1|HDSPM_madiFreq2)
+#define HDSPM_madiFreq128 (HDSPM_madiFreq0|HDSPM_madiFreq1|HDSPM_madiFreq2)
+#define HDSPM_madiFreq176_4 (HDSPM_madiFreq3)
+#define HDSPM_madiFreq192 (HDSPM_madiFreq3|HDSPM_madiFreq0)
+
+/* Status2 Register bits */
+
+#define HDSPM_version0 (1<<0) /* not realy defined but I guess */
+#define HDSPM_version1 (1<<1) /* in former cards it was ??? */
+#define HDSPM_version2 (1<<2)
+
+#define HDSPM_wcLock (1<<3) /* Wordclock is detected and locked */
+#define HDSPM_wcSync (1<<4) /* Wordclock is in sync with systemclock */
+
+#define HDSPM_wc_freq0 (1<<5) /* input freq detected via autosync */
+#define HDSPM_wc_freq1 (1<<6) /* 001=32, 010==44.1, 011=48, */
+#define HDSPM_wc_freq2 (1<<7) /* 100=64, 101=88.2, 110=96, */
+/* missing Bit for 111=128, 1000=176.4, 1001=192 */
+
+#define HDSPM_SelSyncRef0 (1<<8) /* Sync Source in slave mode */
+#define HDSPM_SelSyncRef1 (1<<9) /* 000=word, 001=MADI, */
+#define HDSPM_SelSyncRef2 (1<<10) /* 111=no valid signal */
+
+#define HDSPM_wc_valid (HDSPM_wcLock|HDSPM_wcSync)
+
+#define HDSPM_wcFreqMask (HDSPM_wc_freq0|HDSPM_wc_freq1|HDSPM_wc_freq2)
+#define HDSPM_wcFreq32 (HDSPM_wc_freq0)
+#define HDSPM_wcFreq44_1 (HDSPM_wc_freq1)
+#define HDSPM_wcFreq48 (HDSPM_wc_freq0|HDSPM_wc_freq1)
+#define HDSPM_wcFreq64 (HDSPM_wc_freq2)
+#define HDSPM_wcFreq88_2 (HDSPM_wc_freq0|HDSPM_wc_freq2)
+#define HDSPM_wcFreq96 (HDSPM_wc_freq1|HDSPM_wc_freq2)
+
+
+#define HDSPM_SelSyncRefMask (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|HDSPM_SelSyncRef2)
+#define HDSPM_SelSyncRef_WORD 0
+#define HDSPM_SelSyncRef_MADI (HDSPM_SelSyncRef0)
+#define HDSPM_SelSyncRef_NVALID (HDSPM_SelSyncRef0|HDSPM_SelSyncRef1|HDSPM_SelSyncRef2)
+
+/* Mixer Values */
+#define UNITY_GAIN 32768 /* = 65536/2 */
+#define MINUS_INFINITY_GAIN 0
+
+/* PCI info */
+#ifndef PCI_VENDOR_ID_XILINX
+#define PCI_VENDOR_ID_XILINX 0x10ee
+#endif
+#ifndef PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP
+#define PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP 0x3fc5
+#endif
+#ifndef PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP_MADI
+#define PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP_MADI 0x3fc6
+#endif
+
+
+/* Number of channels for different Speed Modes */
+#define MADI_SS_CHANNELS 64
+#define MADI_DS_CHANNELS 32
+#define MADI_QS_CHANNELS 16
+
+/* the size of a substream (1 mono data stream) */
+#define HDSPM_CHANNEL_BUFFER_SAMPLES (16*1024)
+#define HDSPM_CHANNEL_BUFFER_BYTES (4*HDSPM_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, and
+ also the latency to use.
+ for one direction !!!
+*/
+#define HDSPM_DMA_AREA_BYTES (HDSPM_MAX_CHANNELS * HDSPM_CHANNEL_BUFFER_BYTES)
+#define HDSPM_DMA_AREA_KILOBYTES (HDSPM_DMA_AREA_BYTES/1024)
+
+typedef struct _hdspm hdspm_t;
+typedef struct _hdspm_midi hdspm_midi_t;
+
+struct _hdspm_midi {
+ hdspm_t *hdspm;
+ int id;
+ snd_rawmidi_t *rmidi;
+ snd_rawmidi_substream_t *input;
+ snd_rawmidi_substream_t *output;
+ char istimer; /* timer in use */
+ struct timer_list timer;
+ spinlock_t lock;
+ int pending;
+};
+
+struct _hdspm {
+ spinlock_t lock;
+ snd_pcm_substream_t *capture_substream; /* only one playback */
+ snd_pcm_substream_t *playback_substream; /* and/or capture stream */
+
+ char *card_name; /* for procinfo */
+ unsigned short firmware_rev; /* dont know if relevant */
+
+ int precise_ptr; /* use precise pointers, to be tested */
+ int monitor_outs; /* set up monitoring outs init flag */
+
+ u32 control_register; /* cached value */
+ u32 control2_register; /* cached value */
+
+ hdspm_midi_t midi[2];
+ struct tasklet_struct midi_tasklet;
+
+ size_t period_bytes;
+ unsigned char ss_channels; /* channels of card in single speed */
+ unsigned char ds_channels; /* Double Speed */
+ unsigned char qs_channels; /* Quad Speed */
+
+ unsigned char *playback_buffer; /* suitably aligned address */
+ unsigned char *capture_buffer; /* suitably aligned address */
+
+ pid_t capture_pid; /* process id which uses capture */
+ pid_t playback_pid; /* process id which uses capture */
+ int running; /* running status */
+
+ int last_external_sample_rate; /* samplerate mystic ... */
+ int last_internal_sample_rate;
+ int system_sample_rate;
+
+ char *channel_map; /* channel map for DS and Quadspeed */
+
+ int dev; /* Hardware vars... */
+ int irq;
+ unsigned long port;
+ void __iomem *iobase;
+
+ int irq_count; /* for debug */
+
+ snd_card_t *card; /* one card */
+ snd_pcm_t *pcm; /* has one pcm */
+ snd_hwdep_t *hwdep; /* and a hwdep for additional ioctl */
+ struct pci_dev *pci; /* and an pci info */
+
+ /* Mixer vars */
+ snd_kcontrol_t *playback_mixer_ctls[HDSPM_MAX_CHANNELS]; /* fast alsa mixer */
+ snd_kcontrol_t *input_mixer_ctls[HDSPM_MAX_CHANNELS]; /* but input to much, so not used */
+ hdspm_mixer_t *mixer; /* full mixer accessable over mixer ioctl or hwdep-device */
+
+};
+
+/* 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 char channel_map_madi_ss[HDSPM_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, 26, 27, 28, 29, 30, 31,
+ 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, 41, 42, 43, 44, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55,
+ 56, 57, 58, 59, 60, 61, 62, 63
+};
+
+static char channel_map_madi_ds[HDSPM_MAX_CHANNELS] = {
+ 0, 2, 4, 6, 8, 10, 12, 14,
+ 16, 18, 20, 22, 24, 26, 28, 30,
+ 32, 34, 36, 38, 40, 42, 44, 46,
+ 48, 50, 52, 54, 56, 58, 60, 62,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1
+};
+
+static char channel_map_madi_qs[HDSPM_MAX_CHANNELS] = {
+ 0, 4, 8, 12, 16, 20, 24, 28,
+ 32, 36, 40, 44, 48, 52, 56, 60
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1
+};
+
+
+static struct pci_device_id snd_hdspm_ids[] = {
+ {
+ .vendor = PCI_VENDOR_ID_XILINX,
+ .device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP_MADI,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .class = 0,
+ .class_mask = 0,
+ .driver_data = 0},
+ {0,}
+};
+
+MODULE_DEVICE_TABLE(pci, snd_hdspm_ids);
+
+/* prototypes */
+static int __devinit snd_hdspm_create_alsa_devices(snd_card_t * card,
+ hdspm_t * hdspm);
+static int __devinit snd_hdspm_create_pcm(snd_card_t * card,
+ hdspm_t * hdspm);
+
+static inline void snd_hdspm_initialize_midi_flush(hdspm_t * hdspm);
+static int hdspm_update_simple_mixer_controls(hdspm_t * hdspm);
+static int hdspm_autosync_ref(hdspm_t * hdspm);
+static int snd_hdspm_set_defaults(hdspm_t * hdspm);
+static void hdspm_set_sgbuf(hdspm_t * hdspm, struct snd_sg_buf *sgbuf,
+ unsigned int reg, int channels);
+
+/* Write/read to/from HDSPM with Adresses in Bytes
+ not words but only 32Bit writes are allowed */
+
+static inline void hdspm_write(hdspm_t * hdspm, unsigned int reg,
+ unsigned int val)
+{
+ writel(val, hdspm->iobase + reg);
+}
+
+static inline unsigned int hdspm_read(hdspm_t * hdspm, unsigned int reg)
+{
+ return readl(hdspm->iobase + reg);
+}
+
+/* for each output channel (chan) I have an Input (in) and Playback (pb) Fader
+ mixer is write only on hardware so we have to cache him for read
+ each fader is a u32, but uses only the first 16 bit */
+
+static inline int hdspm_read_in_gain(hdspm_t * hdspm, unsigned int chan,
+ unsigned int in)
+{
+ if (chan > HDSPM_MIXER_CHANNELS || in > HDSPM_MIXER_CHANNELS)
+ return 0;
+
+ return hdspm->mixer->ch[chan].in[in];
+}
+
+static inline int hdspm_read_pb_gain(hdspm_t * hdspm, unsigned int chan,
+ unsigned int pb)
+{
+ if (chan > HDSPM_MIXER_CHANNELS || pb > HDSPM_MIXER_CHANNELS)
+ return 0;
+ return hdspm->mixer->ch[chan].pb[pb];
+}
+
+static inline int hdspm_write_in_gain(hdspm_t * hdspm, unsigned int chan,
+ unsigned int in, unsigned short data)
+{
+ if (chan >= HDSPM_MIXER_CHANNELS || in >= HDSPM_MIXER_CHANNELS)
+ return -1;
+
+ hdspm_write(hdspm,
+ HDSPM_MADI_mixerBase +
+ ((in + 128 * chan) * sizeof(u32)),
+ (hdspm->mixer->ch[chan].in[in] = data & 0xFFFF));
+ return 0;
+}
+
+static inline int hdspm_write_pb_gain(hdspm_t * hdspm, unsigned int chan,
+ unsigned int pb, unsigned short data)
+{
+ if (chan >= HDSPM_MIXER_CHANNELS || pb >= HDSPM_MIXER_CHANNELS)
+ return -1;
+
+ hdspm_write(hdspm,
+ HDSPM_MADI_mixerBase +
+ ((64 + pb + 128 * chan) * sizeof(u32)),
+ (hdspm->mixer->ch[chan].pb[pb] = data & 0xFFFF));
+ return 0;
+}
+
+
+/* enable DMA for specific channels, now available for DSP-MADI */
+static inline void snd_hdspm_enable_in(hdspm_t * hdspm, int i, int v)
+{
+ hdspm_write(hdspm, HDSPM_inputEnableBase + (4 * i), v);
+}
+
+static inline void snd_hdspm_enable_out(hdspm_t * hdspm, int i, int v)
+{
+ hdspm_write(hdspm, HDSPM_outputEnableBase + (4 * i), v);
+}
+
+/* check if same process is writing and reading */
+static inline int snd_hdspm_use_is_exclusive(hdspm_t * hdspm)
+{
+ unsigned long flags;
+ int ret = 1;
+
+ spin_lock_irqsave(&hdspm->lock, flags);
+ if ((hdspm->playback_pid != hdspm->capture_pid) &&
+ (hdspm->playback_pid >= 0) && (hdspm->capture_pid >= 0)) {
+ ret = 0;
+ }
+ spin_unlock_irqrestore(&hdspm->lock, flags);
+ return ret;
+}
+
+/* check for external sample rate */
+static inline int hdspm_external_sample_rate(hdspm_t * hdspm)
+{
+ unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
+ unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
+ unsigned int rate_bits;
+ int rate = 0;
+
+ /* if wordclock has synced freq and wordclock is valid */
+ if ((status2 & HDSPM_wcLock) != 0 &&
+ (status & HDSPM_SelSyncRef0) == 0) {
+
+ rate_bits = status2 & HDSPM_wcFreqMask;
+
+ switch (rate_bits) {
+ case HDSPM_wcFreq32:
+ rate = 32000;
+ break;
+ case HDSPM_wcFreq44_1:
+ rate = 44100;
+ break;
+ case HDSPM_wcFreq48:
+ rate = 48000;
+ break;
+ case HDSPM_wcFreq64:
+ rate = 64000;
+ break;
+ case HDSPM_wcFreq88_2:
+ rate = 88200;
+ break;
+ case HDSPM_wcFreq96:
+ rate = 96000;
+ break;
+ /* Quadspeed Bit missing ???? */
+ default:
+ rate = 0;
+ break;
+ }
+ }
+
+ /* if rate detected and Syncref is Word than have it, word has priority to MADI */
+ if (rate != 0
+ && (status2 & HDSPM_SelSyncRefMask) == HDSPM_SelSyncRef_WORD)
+ return rate;
+
+ /* maby a madi input (which is taken if sel sync is madi) */
+ if (status & HDSPM_madiLock) {
+ rate_bits = status & HDSPM_madiFreqMask;
+
+ switch (rate_bits) {
+ case HDSPM_madiFreq32:
+ rate = 32000;
+ break;
+ case HDSPM_madiFreq44_1:
+ rate = 44100;
+ break;
+ case HDSPM_madiFreq48:
+ rate = 48000;
+ break;
+ case HDSPM_madiFreq64:
+ rate = 64000;
+ break;
+ case HDSPM_madiFreq88_2:
+ rate = 88200;
+ break;
+ case HDSPM_madiFreq96:
+ rate = 96000;
+ break;
+ case HDSPM_madiFreq128:
+ rate = 128000;
+ break;
+ case HDSPM_madiFreq176_4:
+ rate = 176400;
+ break;
+ case HDSPM_madiFreq192:
+ rate = 192000;
+ break;
+ default:
+ rate = 0;
+ break;
+ }
+ }
+ return rate;
+}
+
+/* Latency function */
+static inline void hdspm_compute_period_size(hdspm_t * hdspm)
+{
+ hdspm->period_bytes =
+ 1 << ((hdspm_decode_latency(hdspm->control_register) + 8));
+}
+
+static snd_pcm_uframes_t hdspm_hw_pointer(hdspm_t * hdspm)
+{
+ int position;
+
+ position = hdspm_read(hdspm, HDSPM_statusRegister);
+
+ if (!hdspm->precise_ptr) {
+ return (position & HDSPM_BufferID) ? (hdspm->period_bytes /
+ 4) : 0;
+ }
+
+ /* hwpointer comes in bytes and is 64Bytes accurate (by docu since PCI Burst)
+ i have experimented that it is at most 64 Byte to much for playing
+ so substraction of 64 byte should be ok for ALSA, but use it only
+ for application where you know what you do since if you come to
+ near with record pointer it can be a disaster */
+
+ position &= HDSPM_BufferPositionMask;
+ position = ((position - 64) % (2 * hdspm->period_bytes)) / 4;
+
+ return position;
+}
+
+
+static inline void hdspm_start_audio(hdspm_t * s)
+{
+ s->control_register |= (HDSPM_AudioInterruptEnable | HDSPM_Start);
+ hdspm_write(s, HDSPM_controlRegister, s->control_register);
+}
+
+static inline void hdspm_stop_audio(hdspm_t * s)
+{
+ s->control_register &= ~(HDSPM_Start | HDSPM_AudioInterruptEnable);
+ hdspm_write(s, HDSPM_controlRegister, s->control_register);
+}
+
+/* should I silence all or only opened ones ? doit all for first even is 4MB*/
+static inline void hdspm_silence_playback(hdspm_t * hdspm)
+{
+ int i;
+ int n = hdspm->period_bytes;
+ void *buf = hdspm->playback_buffer;
+
+ snd_assert(buf != NULL, return);
+
+ for (i = 0; i < HDSPM_MAX_CHANNELS; i++) {
+ memset(buf, 0, n);
+ buf += HDSPM_CHANNEL_BUFFER_BYTES;
+ }
+}
+
+static int hdspm_set_interrupt_interval(hdspm_t * s, unsigned int frames)
+{
+ int n;
+
+ spin_lock_irq(&s->lock);
+
+ frames >>= 7;
+ n = 0;
+ while (frames) {
+ n++;
+ frames >>= 1;
+ }
+ s->control_register &= ~HDSPM_LatencyMask;
+ s->control_register |= hdspm_encode_latency(n);
+
+ hdspm_write(s, HDSPM_controlRegister, s->control_register);
+
+ hdspm_compute_period_size(s);
+
+ spin_unlock_irq(&s->lock);
+
+ return 0;
+}
+
+
+/* dummy set rate lets see what happens */
+static int hdspm_set_rate(hdspm_t * hdspm, int rate, int called_internally)
+{
+ int reject_if_open = 0;
+ int current_rate;
+ int rate_bits;
+ int not_set = 0;
+
+ /* ASSUMPTION: hdspm->lock is either set, or there is no need for
+ it (e.g. during module initialization).
+ */
+
+ if (!(hdspm->control_register & HDSPM_ClockModeMaster)) {
+
+ /* SLAVE --- */
+ if (called_internally) {
+
+ /* request from ctl or card initialization
+ just make a warning an remember setting
+ for future master mode switching */
+
+ snd_printk
+ (KERN_WARNING "HDSPM: Warning: device is not running as a clock master.\n");
+ not_set = 1;
+ } else {
+
+ /* hw_param request while in AutoSync mode */
+ int external_freq =
+ hdspm_external_sample_rate(hdspm);
+
+ if ((hdspm_autosync_ref(hdspm) ==
+ HDSPM_AUTOSYNC_FROM_NONE)) {
+
+ snd_printk(KERN_WARNING "HDSPM: Detected no Externel Sync \n");
+ not_set = 1;
+
+ } else if (rate != external_freq) {
+
+ snd_printk
+ (KERN_WARNING "HDSPM: Warning: No AutoSync source for requested rate\n");
+ not_set = 1;
+ }
+ }
+ }
+
+ current_rate = hdspm->system_sample_rate;
+
+ /* Changing between Singe, Double and Quad speed 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.
+ */
+
+ switch (rate) {
+ case 32000:
+ if (current_rate > 48000) {
+ reject_if_open = 1;
+ }
+ rate_bits = HDSPM_Frequency32KHz;
+ break;
+ case 44100:
+ if (current_rate > 48000) {
+ reject_if_open = 1;
+ }
+ rate_bits = HDSPM_Frequency44_1KHz;
+ break;
+ case 48000:
+ if (current_rate > 48000) {
+ reject_if_open = 1;
+ }
+ rate_bits = HDSPM_Frequency48KHz;
+ break;
+ case 64000:
+ if (current_rate <= 48000) {
+ reject_if_open = 1;
+ }
+ rate_bits = HDSPM_Frequency64KHz;
+ break;
+ case 88200:
+ if (current_rate <= 48000) {
+ reject_if_open = 1;
+ }
+ rate_bits = HDSPM_Frequency88_2KHz;
+ break;
+ case 96000:
+ if (current_rate <= 48000) {
+ reject_if_open = 1;
+ }
+ rate_bits = HDSPM_Frequency96KHz;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (reject_if_open
+ && (hdspm->capture_pid >= 0 || hdspm->playback_pid >= 0)) {
+ snd_printk
+ (KERN_ERR "HDSPM: cannot change between single- and double-speed mode (capture PID = %d, playback PID = %d)\n",
+ hdspm->capture_pid, hdspm->playback_pid);
+ return -EBUSY;
+ }
+
+ hdspm->control_register &= ~HDSPM_FrequencyMask;
+ hdspm->control_register |= rate_bits;
+ hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
+
+ if (rate > 64000)
+ hdspm->channel_map = channel_map_madi_qs;
+ else if (rate > 48000)
+ hdspm->channel_map = channel_map_madi_ds;
+ else
+ hdspm->channel_map = channel_map_madi_ss;
+
+ hdspm->system_sample_rate = rate;
+
+ if (not_set != 0)
+ return -1;
+
+ return 0;
+}
+
+/* mainly for init to 0 on load */
+static void all_in_all_mixer(hdspm_t * hdspm, int sgain)
+{
+ int i, j;
+ unsigned int gain =
+ (sgain > UNITY_GAIN) ? UNITY_GAIN : (sgain < 0) ? 0 : sgain;
+
+ for (i = 0; i < HDSPM_MIXER_CHANNELS; i++)
+ for (j = 0; j < HDSPM_MIXER_CHANNELS; j++) {
+ hdspm_write_in_gain(hdspm, i, j, gain);
+ hdspm_write_pb_gain(hdspm, i, j, gain);
+ }
+}
+
+/*----------------------------------------------------------------------------
+ MIDI
+ ----------------------------------------------------------------------------*/
+
+static inline unsigned char snd_hdspm_midi_read_byte (hdspm_t *hdspm, int id)
+{
+ /* the hardware already does the relevant bit-mask with 0xff */
+ if (id)
+ return hdspm_read(hdspm, HDSPM_midiDataIn1);
+ else
+ return hdspm_read(hdspm, HDSPM_midiDataIn0);
+}
+
+static inline void snd_hdspm_midi_write_byte (hdspm_t *hdspm, int id, int val)
+{
+ /* the hardware already does the relevant bit-mask with 0xff */
+ if (id)
+ return hdspm_write(hdspm, HDSPM_midiDataOut1, val);
+ else
+ return hdspm_write(hdspm, HDSPM_midiDataOut0, val);
+}
+
+static inline int snd_hdspm_midi_input_available (hdspm_t *hdspm, int id)
+{
+ if (id)
+ return (hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xff);
+ else
+ return (hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xff);
+}
+
+static inline int snd_hdspm_midi_output_possible (hdspm_t *hdspm, int id)
+{
+ int fifo_bytes_used;
+
+ if (id)
+ fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xff;
+ else
+ fifo_bytes_used = hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xff;
+
+ if (fifo_bytes_used < 128)
+ return 128 - fifo_bytes_used;
+ else
+ return 0;
+}
+
+static inline void snd_hdspm_flush_midi_input (hdspm_t *hdspm, int id)
+{
+ while (snd_hdspm_midi_input_available (hdspm, id))
+ snd_hdspm_midi_read_byte (hdspm, id);
+}
+
+static int snd_hdspm_midi_output_write (hdspm_midi_t *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)) {
+ if ((n_pending = snd_hdspm_midi_output_possible (hmidi->hdspm, hmidi->id)) > 0) {
+ if (n_pending > (int)sizeof (buf))
+ n_pending = sizeof (buf);
+
+ if ((to_write = snd_rawmidi_transmit (hmidi->output, buf, n_pending)) > 0) {
+ for (i = 0; i < to_write; ++i)
+ snd_hdspm_midi_write_byte (hmidi->hdspm, hmidi->id, buf[i]);
+ }
+ }
+ }
+ }
+ spin_unlock_irqrestore (&hmidi->lock, flags);
+ return 0;
+}
+
+static int snd_hdspm_midi_input_read (hdspm_midi_t *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);
+ if ((n_pending = snd_hdspm_midi_input_available (hmidi->hdspm, hmidi->id)) > 0) {
+ if (hmidi->input) {
+ if (n_pending > (int)sizeof (buf)) {
+ n_pending = sizeof (buf);
+ }
+ for (i = 0; i < n_pending; ++i) {
+ buf[i] = snd_hdspm_midi_read_byte (hmidi->hdspm, hmidi->id);
+ }
+ if (n_pending) {
+ snd_rawmidi_receive (hmidi->input, buf, n_pending);
+ }
+ } else {
+ /* flush the MIDI input FIFO */
+ while (n_pending--) {
+ snd_hdspm_midi_read_byte (hmidi->hdspm, hmidi->id);
+ }
+ }
+ }
+ hmidi->pending = 0;
+ if (hmidi->id) {
+ hmidi->hdspm->control_register |= HDSPM_Midi1InterruptEnable;
+ } else {
+ hmidi->hdspm->control_register |= HDSPM_Midi0InterruptEnable;
+ }
+ hdspm_write(hmidi->hdspm, HDSPM_controlRegister, hmidi->hdspm->control_register);
+ spin_unlock_irqrestore (&hmidi->lock, flags);
+ return snd_hdspm_midi_output_write (hmidi);
+}
+
+static void snd_hdspm_midi_input_trigger(snd_rawmidi_substream_t * substream, int up)
+{
+ hdspm_t *hdspm;
+ hdspm_midi_t *hmidi;
+ unsigned long flags;
+ u32 ie;
+
+ hmidi = (hdspm_midi_t *) substream->rmidi->private_data;
+ hdspm = hmidi->hdspm;
+ ie = hmidi->id ? HDSPM_Midi1InterruptEnable : HDSPM_Midi0InterruptEnable;
+ spin_lock_irqsave (&hdspm->lock, flags);
+ if (up) {
+ if (!(hdspm->control_register & ie)) {
+ snd_hdspm_flush_midi_input (hdspm, hmidi->id);
+ hdspm->control_register |= ie;
+ }
+ } else {
+ hdspm->control_register &= ~ie;
+ }
+
+ hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
+ spin_unlock_irqrestore (&hdspm->lock, flags);
+}
+
+static void snd_hdspm_midi_output_timer(unsigned long data)
+{
+ hdspm_midi_t *hmidi = (hdspm_midi_t *) data;
+ unsigned long flags;
+
+ snd_hdspm_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) {
+ hmidi->timer.expires = 1 + jiffies;
+ add_timer(&hmidi->timer);
+ }
+
+ spin_unlock_irqrestore (&hmidi->lock, flags);
+}
+
+static void snd_hdspm_midi_output_trigger(snd_rawmidi_substream_t * substream, int up)
+{
+ hdspm_midi_t *hmidi;
+ unsigned long flags;
+
+ hmidi = (hdspm_midi_t *) substream->rmidi->private_data;
+ spin_lock_irqsave (&hmidi->lock, flags);
+ if (up) {
+ if (!hmidi->istimer) {
+ init_timer(&hmidi->timer);
+ hmidi->timer.function = snd_hdspm_midi_output_timer;
+ hmidi->timer.data = (unsigned long) hmidi;
+ hmidi->timer.expires = 1 + jiffies;
+ add_timer(&hmidi->timer);
+ hmidi->istimer++;
+ }
+ } else {
+ if (hmidi->istimer && --hmidi->istimer <= 0) {
+ del_timer (&hmidi->timer);
+ }
+ }
+ spin_unlock_irqrestore (&hmidi->lock, flags);
+ if (up)
+ snd_hdspm_midi_output_write(hmidi);
+}
+
+static int snd_hdspm_midi_input_open(snd_rawmidi_substream_t * substream)
+{
+ hdspm_midi_t *hmidi;
+
+ hmidi = (hdspm_midi_t *) substream->rmidi->private_data;
+ spin_lock_irq (&hmidi->lock);
+ snd_hdspm_flush_midi_input (hmidi->hdspm, hmidi->id);
+ hmidi->input = substream;
+ spin_unlock_irq (&hmidi->lock);
+
+ return 0;
+}
+
+static int snd_hdspm_midi_output_open(snd_rawmidi_substream_t * substream)
+{
+ hdspm_midi_t *hmidi;
+
+ hmidi = (hdspm_midi_t *) substream->rmidi->private_data;
+ spin_lock_irq (&hmidi->lock);
+ hmidi->output = substream;
+ spin_unlock_irq (&hmidi->lock);
+
+ return 0;
+}
+
+static int snd_hdspm_midi_input_close(snd_rawmidi_substream_t * substream)
+{
+ hdspm_midi_t *hmidi;
+
+ snd_hdspm_midi_input_trigger (substream, 0);
+
+ hmidi = (hdspm_midi_t *) substream->rmidi->private_data;
+ spin_lock_irq (&hmidi->lock);
+ hmidi->input = NULL;
+ spin_unlock_irq (&hmidi->lock);
+
+ return 0;
+}
+
+static int snd_hdspm_midi_output_close(snd_rawmidi_substream_t * substream)
+{
+ hdspm_midi_t *hmidi;
+
+ snd_hdspm_midi_output_trigger (substream, 0);
+
+ hmidi = (hdspm_midi_t *) substream->rmidi->private_data;
+ spin_lock_irq (&hmidi->lock);
+ hmidi->output = NULL;
+ spin_unlock_irq (&hmidi->lock);
+
+ return 0;
+}
+
+snd_rawmidi_ops_t snd_hdspm_midi_output =
+{
+ .open = snd_hdspm_midi_output_open,
+ .close = snd_hdspm_midi_output_close,
+ .trigger = snd_hdspm_midi_output_trigger,
+};
+
+snd_rawmidi_ops_t snd_hdspm_midi_input =
+{
+ .open = snd_hdspm_midi_input_open,
+ .close = snd_hdspm_midi_input_close,
+ .trigger = snd_hdspm_midi_input_trigger,
+};
+
+static int __devinit snd_hdspm_create_midi (snd_card_t *card, hdspm_t *hdspm, int id)
+{
+ int err;
+ char buf[32];
+
+ hdspm->midi[id].id = id;
+ hdspm->midi[id].rmidi = NULL;
+ hdspm->midi[id].input = NULL;
+ hdspm->midi[id].output = NULL;
+ hdspm->midi[id].hdspm = hdspm;
+ hdspm->midi[id].istimer = 0;
+ hdspm->midi[id].pending = 0;
+ spin_lock_init (&hdspm->midi[id].lock);
+
+ sprintf (buf, "%s MIDI %d", card->shortname, id+1);
+ if ((err = snd_rawmidi_new (card, buf, id, 1, 1, &hdspm->midi[id].rmidi)) < 0)
+ return err;
+
+ sprintf (hdspm->midi[id].rmidi->name, "%s MIDI %d", card->id, id+1);
+ hdspm->midi[id].rmidi->private_data = &hdspm->midi[id];
+
+ snd_rawmidi_set_ops (hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_hdspm_midi_output);
+ snd_rawmidi_set_ops (hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_hdspm_midi_input);
+
+ hdspm->midi[id].rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
+ SNDRV_RAWMIDI_INFO_INPUT |
+ SNDRV_RAWMIDI_INFO_DUPLEX;
+
+ return 0;
+}
+
+
+static void hdspm_midi_tasklet(unsigned long arg)
+{
+ hdspm_t *hdspm = (hdspm_t *)arg;
+
+ if (hdspm->midi[0].pending)
+ snd_hdspm_midi_input_read (&hdspm->midi[0]);
+ if (hdspm->midi[1].pending)
+ snd_hdspm_midi_input_read (&hdspm->midi[1]);
+}
+
+
+/*-----------------------------------------------------------------------------
+ Status Interface
+ ----------------------------------------------------------------------------*/
+
+/* get the system sample rate which is set */
+
+#define HDSPM_SYSTEM_SAMPLE_RATE(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
+ .name = xname, \
+ .index = xindex, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READ, \
+ .info = snd_hdspm_info_system_sample_rate, \
+ .get = snd_hdspm_get_system_sample_rate \
+}
+
+static int snd_hdspm_info_system_sample_rate(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ return 0;
+}
+
+static int snd_hdspm_get_system_sample_rate(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t *
+ ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.enumerated.item[0] = hdspm->system_sample_rate;
+ return 0;
+}
+
+#define HDSPM_AUTOSYNC_SAMPLE_RATE(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_PCM, \
+ .name = xname, \
+ .index = xindex, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READ, \
+ .info = snd_hdspm_info_autosync_sample_rate, \
+ .get = snd_hdspm_get_autosync_sample_rate \
+}
+
+static int snd_hdspm_info_autosync_sample_rate(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ static char *texts[] = { "32000", "44100", "48000",
+ "64000", "88200", "96000",
+ "128000", "176400", "192000",
+ "None"
+ };
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = 10;
+ if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+ uinfo->value.enumerated.item =
+ uinfo->value.enumerated.items - 1;
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
+ return 0;
+}
+
+static int snd_hdspm_get_autosync_sample_rate(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t *
+ ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+
+ switch (hdspm_external_sample_rate(hdspm)) {
+ 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] = 6;
+ break;
+ case 176400:
+ ucontrol->value.enumerated.item[0] = 7;
+ break;
+ case 192000:
+ ucontrol->value.enumerated.item[0] = 8;
+ break;
+
+ default:
+ ucontrol->value.enumerated.item[0] = 9;
+ }
+ return 0;
+}
+
+#define HDSPM_SYSTEM_CLOCK_MODE(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
+ .name = xname, \
+ .index = xindex, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READ, \
+ .info = snd_hdspm_info_system_clock_mode, \
+ .get = snd_hdspm_get_system_clock_mode, \
+}
+
+
+
+static int hdspm_system_clock_mode(hdspm_t * hdspm)
+{
+ /* Always reflect the hardware info, rme is never wrong !!!! */
+
+ if (hdspm->control_register & HDSPM_ClockModeMaster)
+ return 0;
+ return 1;
+}
+
+static int snd_hdspm_info_system_clock_mode(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ static char *texts[] = { "Master", "Slave" };
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = 2;
+ if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+ uinfo->value.enumerated.item =
+ uinfo->value.enumerated.items - 1;
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
+ return 0;
+}
+
+static int snd_hdspm_get_system_clock_mode(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.enumerated.item[0] =
+ hdspm_system_clock_mode(hdspm);
+ return 0;
+}
+
+#define HDSPM_CLOCK_SOURCE(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_PCM, \
+ .name = xname, \
+ .index = xindex, \
+ .info = snd_hdspm_info_clock_source, \
+ .get = snd_hdspm_get_clock_source, \
+ .put = snd_hdspm_put_clock_source \
+}
+
+static int hdspm_clock_source(hdspm_t * hdspm)
+{
+ if (hdspm->control_register & HDSPM_ClockModeMaster) {
+ switch (hdspm->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 hdspm_set_clock_source(hdspm_t * hdspm, int mode)
+{
+ int rate;
+ switch (mode) {
+
+ case HDSPM_CLOCK_SOURCE_AUTOSYNC:
+ if (hdspm_external_sample_rate(hdspm) != 0) {
+ hdspm->control_register &= ~HDSPM_ClockModeMaster;
+ hdspm_write(hdspm, HDSPM_controlRegister,
+ hdspm->control_register);
+ return 0;
+ }
+ return -1;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ:
+ rate = 32000;
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ:
+ rate = 44100;
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ:
+ rate = 48000;
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ:
+ rate = 64000;
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ:
+ rate = 88200;
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ:
+ rate = 96000;
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_128KHZ:
+ rate = 128000;
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_176_4KHZ:
+ rate = 176400;
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_192KHZ:
+ rate = 192000;
+ break;
+
+ default:
+ rate = 44100;
+ }
+ hdspm->control_register |= HDSPM_ClockModeMaster;
+ hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
+ hdspm_set_rate(hdspm, rate, 1);
+ return 0;
+}
+
+static int snd_hdspm_info_clock_source(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ static char *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 128.0 kHz", "Internal 176.4 kHz",
+ "Internal 192.0 kHz"
+ };
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = 10;
+
+ if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+ uinfo->value.enumerated.item =
+ uinfo->value.enumerated.items - 1;
+
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
+
+ return 0;
+}
+
+static int snd_hdspm_get_clock_source(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.enumerated.item[0] = hdspm_clock_source(hdspm);
+ return 0;
+}
+
+static int snd_hdspm_put_clock_source(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+ int change;
+ int val;
+
+ if (!snd_hdspm_use_is_exclusive(hdspm))
+ return -EBUSY;
+ val = ucontrol->value.enumerated.item[0];
+ if (val < 0)
+ val = 0;
+ if (val > 6)
+ val = 6;
+ spin_lock_irq(&hdspm->lock);
+ if (val != hdspm_clock_source(hdspm))
+ change = (hdspm_set_clock_source(hdspm, val) == 0) ? 1 : 0;
+ else
+ change = 0;
+ spin_unlock_irq(&hdspm->lock);
+ return change;
+}
+
+#define HDSPM_PREF_SYNC_REF(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
+ .name = xname, \
+ .index = xindex, \
+ .info = snd_hdspm_info_pref_sync_ref, \
+ .get = snd_hdspm_get_pref_sync_ref, \
+ .put = snd_hdspm_put_pref_sync_ref \
+}
+
+static int hdspm_pref_sync_ref(hdspm_t * hdspm)
+{
+ /* Notice that this looks at the requested sync source,
+ not the one actually in use.
+ */
+ switch (hdspm->control_register & HDSPM_SyncRefMask) {
+ case HDSPM_SyncRef_Word:
+ return HDSPM_SYNC_FROM_WORD;
+ case HDSPM_SyncRef_MADI:
+ return HDSPM_SYNC_FROM_MADI;
+ }
+
+ return HDSPM_SYNC_FROM_WORD;
+}
+
+static int hdspm_set_pref_sync_ref(hdspm_t * hdspm, int pref)
+{
+ hdspm->control_register &= ~HDSPM_SyncRefMask;
+
+ switch (pref) {
+ case HDSPM_SYNC_FROM_MADI:
+ hdspm->control_register |= HDSPM_SyncRef_MADI;
+ break;
+ case HDSPM_SYNC_FROM_WORD:
+ hdspm->control_register |= HDSPM_SyncRef_Word;
+ break;
+ default:
+ return -1;
+ }
+ hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
+ return 0;
+}
+
+static int snd_hdspm_info_pref_sync_ref(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ static char *texts[] = { "Word", "MADI" };
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+
+ uinfo->value.enumerated.items = 2;
+
+ if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+ uinfo->value.enumerated.item =
+ uinfo->value.enumerated.items - 1;
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
+ return 0;
+}
+
+static int snd_hdspm_get_pref_sync_ref(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.enumerated.item[0] = hdspm_pref_sync_ref(hdspm);
+ return 0;
+}
+
+static int snd_hdspm_put_pref_sync_ref(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+ int change, max;
+ unsigned int val;
+
+ max = 2;
+
+ if (!snd_hdspm_use_is_exclusive(hdspm))
+ return -EBUSY;
+
+ val = ucontrol->value.enumerated.item[0] % max;
+
+ spin_lock_irq(&hdspm->lock);
+ change = (int) val != hdspm_pref_sync_ref(hdspm);
+ hdspm_set_pref_sync_ref(hdspm, val);
+ spin_unlock_irq(&hdspm->lock);
+ return change;
+}
+
+#define HDSPM_AUTOSYNC_REF(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
+ .name = xname, \
+ .index = xindex, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READ, \
+ .info = snd_hdspm_info_autosync_ref, \
+ .get = snd_hdspm_get_autosync_ref, \
+}
+
+static int hdspm_autosync_ref(hdspm_t * hdspm)
+{
+ /* This looks at the autosync selected sync reference */
+ unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
+
+ switch (status2 & HDSPM_SelSyncRefMask) {
+
+ case HDSPM_SelSyncRef_WORD:
+ return HDSPM_AUTOSYNC_FROM_WORD;
+
+ case HDSPM_SelSyncRef_MADI:
+ return HDSPM_AUTOSYNC_FROM_MADI;
+
+ case HDSPM_SelSyncRef_NVALID:
+ return HDSPM_AUTOSYNC_FROM_NONE;
+
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+
+static int snd_hdspm_info_autosync_ref(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ static char *texts[] = { "WordClock", "MADI", "None" };
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = 3;
+ if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+ uinfo->value.enumerated.item =
+ uinfo->value.enumerated.items - 1;
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
+ return 0;
+}
+
+static int snd_hdspm_get_autosync_ref(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.enumerated.item[0] = hdspm_pref_sync_ref(hdspm);
+ return 0;
+}
+
+#define HDSPM_LINE_OUT(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
+ .name = xname, \
+ .index = xindex, \
+ .info = snd_hdspm_info_line_out, \
+ .get = snd_hdspm_get_line_out, \
+ .put = snd_hdspm_put_line_out \
+}
+
+static int hdspm_line_out(hdspm_t * hdspm)
+{
+ return (hdspm->control_register & HDSPM_LineOut) ? 1 : 0;
+}
+
+
+static int hdspm_set_line_output(hdspm_t * hdspm, int out)
+{
+ if (out)
+ hdspm->control_register |= HDSPM_LineOut;
+ else
+ hdspm->control_register &= ~HDSPM_LineOut;
+ hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
+
+ return 0;
+}
+
+static int snd_hdspm_info_line_out(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int snd_hdspm_get_line_out(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&hdspm->lock);
+ ucontrol->value.integer.value[0] = hdspm_line_out(hdspm);
+ spin_unlock_irq(&hdspm->lock);
+ return 0;
+}
+
+static int snd_hdspm_put_line_out(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+ int change;
+ unsigned int val;
+
+ if (!snd_hdspm_use_is_exclusive(hdspm))
+ return -EBUSY;
+ val = ucontrol->value.integer.value[0] & 1;
+ spin_lock_irq(&hdspm->lock);
+ change = (int) val != hdspm_line_out(hdspm);
+ hdspm_set_line_output(hdspm, val);
+ spin_unlock_irq(&hdspm->lock);
+ return change;
+}
+
+#define HDSPM_TX_64(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
+ .name = xname, \
+ .index = xindex, \
+ .info = snd_hdspm_info_tx_64, \
+ .get = snd_hdspm_get_tx_64, \
+ .put = snd_hdspm_put_tx_64 \
+}
+
+static int hdspm_tx_64(hdspm_t * hdspm)
+{
+ return (hdspm->control_register & HDSPM_TX_64ch) ? 1 : 0;
+}
+
+static int hdspm_set_tx_64(hdspm_t * hdspm, int out)
+{
+ if (out)
+ hdspm->control_register |= HDSPM_TX_64ch;
+ else
+ hdspm->control_register &= ~HDSPM_TX_64ch;
+ hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
+
+ return 0;
+}
+
+static int snd_hdspm_info_tx_64(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int snd_hdspm_get_tx_64(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&hdspm->lock);
+ ucontrol->value.integer.value[0] = hdspm_tx_64(hdspm);
+ spin_unlock_irq(&hdspm->lock);
+ return 0;
+}
+
+static int snd_hdspm_put_tx_64(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+ int change;
+ unsigned int val;
+
+ if (!snd_hdspm_use_is_exclusive(hdspm))
+ return -EBUSY;
+ val = ucontrol->value.integer.value[0] & 1;
+ spin_lock_irq(&hdspm->lock);
+ change = (int) val != hdspm_tx_64(hdspm);
+ hdspm_set_tx_64(hdspm, val);
+ spin_unlock_irq(&hdspm->lock);
+ return change;
+}
+
+#define HDSPM_C_TMS(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
+ .name = xname, \
+ .index = xindex, \
+ .info = snd_hdspm_info_c_tms, \
+ .get = snd_hdspm_get_c_tms, \
+ .put = snd_hdspm_put_c_tms \
+}
+
+static int hdspm_c_tms(hdspm_t * hdspm)
+{
+ return (hdspm->control_register & HDSPM_clr_tms) ? 1 : 0;
+}
+
+static int hdspm_set_c_tms(hdspm_t * hdspm, int out)
+{
+ if (out)
+ hdspm->control_register |= HDSPM_clr_tms;
+ else
+ hdspm->control_register &= ~HDSPM_clr_tms;
+ hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
+
+ return 0;
+}
+
+static int snd_hdspm_info_c_tms(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int snd_hdspm_get_c_tms(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&hdspm->lock);
+ ucontrol->value.integer.value[0] = hdspm_c_tms(hdspm);
+ spin_unlock_irq(&hdspm->lock);
+ return 0;
+}
+
+static int snd_hdspm_put_c_tms(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+ int change;
+ unsigned int val;
+
+ if (!snd_hdspm_use_is_exclusive(hdspm))
+ return -EBUSY;
+ val = ucontrol->value.integer.value[0] & 1;
+ spin_lock_irq(&hdspm->lock);
+ change = (int) val != hdspm_c_tms(hdspm);
+ hdspm_set_c_tms(hdspm, val);
+ spin_unlock_irq(&hdspm->lock);
+ return change;
+}
+
+#define HDSPM_SAFE_MODE(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
+ .name = xname, \
+ .index = xindex, \
+ .info = snd_hdspm_info_safe_mode, \
+ .get = snd_hdspm_get_safe_mode, \
+ .put = snd_hdspm_put_safe_mode \
+}
+
+static int hdspm_safe_mode(hdspm_t * hdspm)
+{
+ return (hdspm->control_register & HDSPM_AutoInp) ? 1 : 0;
+}
+
+static int hdspm_set_safe_mode(hdspm_t * hdspm, int out)
+{
+ if (out)
+ hdspm->control_register |= HDSPM_AutoInp;
+ else
+ hdspm->control_register &= ~HDSPM_AutoInp;
+ hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
+
+ return 0;
+}
+
+static int snd_hdspm_info_safe_mode(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int snd_hdspm_get_safe_mode(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&hdspm->lock);
+ ucontrol->value.integer.value[0] = hdspm_safe_mode(hdspm);
+ spin_unlock_irq(&hdspm->lock);
+ return 0;
+}
+
+static int snd_hdspm_put_safe_mode(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+ int change;
+ unsigned int val;
+
+ if (!snd_hdspm_use_is_exclusive(hdspm))
+ return -EBUSY;
+ val = ucontrol->value.integer.value[0] & 1;
+ spin_lock_irq(&hdspm->lock);
+ change = (int) val != hdspm_safe_mode(hdspm);
+ hdspm_set_safe_mode(hdspm, val);
+ spin_unlock_irq(&hdspm->lock);
+ return change;
+}
+
+#define HDSPM_INPUT_SELECT(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
+ .name = xname, \
+ .index = xindex, \
+ .info = snd_hdspm_info_input_select, \
+ .get = snd_hdspm_get_input_select, \
+ .put = snd_hdspm_put_input_select \
+}
+
+static int hdspm_input_select(hdspm_t * hdspm)
+{
+ return (hdspm->control_register & HDSPM_InputSelect0) ? 1 : 0;
+}
+
+static int hdspm_set_input_select(hdspm_t * hdspm, int out)
+{
+ if (out)
+ hdspm->control_register |= HDSPM_InputSelect0;
+ else
+ hdspm->control_register &= ~HDSPM_InputSelect0;
+ hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
+
+ return 0;
+}
+
+static int snd_hdspm_info_input_select(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ static char *texts[] = { "optical", "coaxial" };
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = 2;
+
+ if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+ uinfo->value.enumerated.item =
+ uinfo->value.enumerated.items - 1;
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
+
+ return 0;
+}
+
+static int snd_hdspm_get_input_select(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&hdspm->lock);
+ ucontrol->value.enumerated.item[0] = hdspm_input_select(hdspm);
+ spin_unlock_irq(&hdspm->lock);
+ return 0;
+}
+
+static int snd_hdspm_put_input_select(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+ int change;
+ unsigned int val;
+
+ if (!snd_hdspm_use_is_exclusive(hdspm))
+ return -EBUSY;
+ val = ucontrol->value.integer.value[0] & 1;
+ spin_lock_irq(&hdspm->lock);
+ change = (int) val != hdspm_input_select(hdspm);
+ hdspm_set_input_select(hdspm, val);
+ spin_unlock_irq(&hdspm->lock);
+ return change;
+}
+
+/* Simple Mixer
+ deprecated since to much faders ???
+ MIXER interface says output (source, destination, value)
+ where source > MAX_channels are playback channels
+ on MADICARD
+ - playback mixer matrix: [channelout+64] [output] [value]
+ - input(thru) mixer matrix: [channelin] [output] [value]
+ (better do 2 kontrols for seperation ?)
+*/
+
+#define HDSPM_MIXER(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
+ .name = xname, \
+ .index = xindex, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
+ .info = snd_hdspm_info_mixer, \
+ .get = snd_hdspm_get_mixer, \
+ .put = snd_hdspm_put_mixer \
+}
+
+static int snd_hdspm_info_mixer(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 3;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 65535;
+ uinfo->value.integer.step = 1;
+ return 0;
+}
+
+static int snd_hdspm_get_mixer(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+ int source;
+ int destination;
+
+ source = ucontrol->value.integer.value[0];
+ if (source < 0)
+ source = 0;
+ else if (source >= 2 * HDSPM_MAX_CHANNELS)
+ source = 2 * HDSPM_MAX_CHANNELS - 1;
+
+ destination = ucontrol->value.integer.value[1];
+ if (destination < 0)
+ destination = 0;
+ else if (destination >= HDSPM_MAX_CHANNELS)
+ destination = HDSPM_MAX_CHANNELS - 1;
+
+ spin_lock_irq(&hdspm->lock);
+ if (source >= HDSPM_MAX_CHANNELS)
+ ucontrol->value.integer.value[2] =
+ hdspm_read_pb_gain(hdspm, destination,
+ source - HDSPM_MAX_CHANNELS);
+ else
+ ucontrol->value.integer.value[2] =
+ hdspm_read_in_gain(hdspm, destination, source);
+
+ spin_unlock_irq(&hdspm->lock);
+
+ return 0;
+}
+
+static int snd_hdspm_put_mixer(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+ int change;
+ int source;
+ int destination;
+ int gain;
+
+ if (!snd_hdspm_use_is_exclusive(hdspm))
+ return -EBUSY;
+
+ source = ucontrol->value.integer.value[0];
+ destination = ucontrol->value.integer.value[1];
+
+ if (source < 0 || source >= 2 * HDSPM_MAX_CHANNELS)
+ return -1;
+ if (destination < 0 || destination >= HDSPM_MAX_CHANNELS)
+ return -1;
+
+ gain = ucontrol->value.integer.value[2];
+
+ spin_lock_irq(&hdspm->lock);
+
+ if (source >= HDSPM_MAX_CHANNELS)
+ change = gain != hdspm_read_pb_gain(hdspm, destination,
+ source -
+ HDSPM_MAX_CHANNELS);
+ else
+ change =
+ gain != hdspm_read_in_gain(hdspm, destination, source);
+
+ if (change) {
+ if (source >= HDSPM_MAX_CHANNELS)
+ hdspm_write_pb_gain(hdspm, destination,
+ source - HDSPM_MAX_CHANNELS,
+ gain);
+ else
+ hdspm_write_in_gain(hdspm, destination, source,
+ gain);
+ }
+ spin_unlock_irq(&hdspm->lock);
+
+ return change;
+}
+
+/* The simple mixer control(s) provide gain control for the
+ basic 1:1 mappings of playback streams to output
+ streams.
+*/
+
+#define HDSPM_PLAYBACK_MIXER \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE | \
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
+ .info = snd_hdspm_info_playback_mixer, \
+ .get = snd_hdspm_get_playback_mixer, \
+ .put = snd_hdspm_put_playback_mixer \
+}
+
+static int snd_hdspm_info_playback_mixer(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 65536;
+ uinfo->value.integer.step = 1;
+ return 0;
+}
+
+static int snd_hdspm_get_playback_mixer(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+ int channel;
+ int mapped_channel;
+
+ channel = ucontrol->id.index - 1;
+
+ snd_assert(channel >= 0
+ || channel < HDSPM_MAX_CHANNELS, return -EINVAL);
+
+ if ((mapped_channel = hdspm->channel_map[channel]) < 0)
+ return -EINVAL;
+
+ spin_lock_irq(&hdspm->lock);
+ ucontrol->value.integer.value[0] =
+ hdspm_read_pb_gain(hdspm, mapped_channel, mapped_channel);
+ spin_unlock_irq(&hdspm->lock);
+
+ /* snd_printdd("get pb mixer index %d, channel %d, mapped_channel %d, value %d\n",
+ ucontrol->id.index, channel, mapped_channel, ucontrol->value.integer.value[0]);
+ */
+
+ return 0;
+}
+
+static int snd_hdspm_put_playback_mixer(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+ int change;
+ int channel;
+ int mapped_channel;
+ int gain;
+
+ if (!snd_hdspm_use_is_exclusive(hdspm))
+ return -EBUSY;
+
+ channel = ucontrol->id.index - 1;
+
+ snd_assert(channel >= 0
+ || channel < HDSPM_MAX_CHANNELS, return -EINVAL);
+
+ if ((mapped_channel = hdspm->channel_map[channel]) < 0)
+ return -EINVAL;
+
+ gain = ucontrol->value.integer.value[0];
+
+ spin_lock_irq(&hdspm->lock);
+ change =
+ gain != hdspm_read_pb_gain(hdspm, mapped_channel,
+ mapped_channel);
+ if (change)
+ hdspm_write_pb_gain(hdspm, mapped_channel, mapped_channel,
+ gain);
+ spin_unlock_irq(&hdspm->lock);
+ return change;
+}
+
+#define HDSPM_WC_SYNC_CHECK(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
+ .name = xname, \
+ .index = xindex, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
+ .info = snd_hdspm_info_sync_check, \
+ .get = snd_hdspm_get_wc_sync_check \
+}
+
+static int snd_hdspm_info_sync_check(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_info_t * uinfo)
+{
+ static char *texts[] = { "No Lock", "Lock", "Sync" };
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = 3;
+ if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+ uinfo->value.enumerated.item =
+ uinfo->value.enumerated.items - 1;
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
+ return 0;
+}
+
+static int hdspm_wc_sync_check(hdspm_t * hdspm)
+{
+ int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
+ if (status2 & HDSPM_wcLock) {
+ if (status2 & HDSPM_wcSync)
+ return 2;
+ else
+ return 1;
+ }
+ return 0;
+}
+
+static int snd_hdspm_get_wc_sync_check(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.enumerated.item[0] = hdspm_wc_sync_check(hdspm);
+ return 0;
+}
+
+
+#define HDSPM_MADI_SYNC_CHECK(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
+ .name = xname, \
+ .index = xindex, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
+ .info = snd_hdspm_info_sync_check, \
+ .get = snd_hdspm_get_madisync_sync_check \
+}
+
+static int hdspm_madisync_sync_check(hdspm_t * hdspm)
+{
+ int status = hdspm_read(hdspm, HDSPM_statusRegister);
+ if (status & HDSPM_madiLock) {
+ if (status & HDSPM_madiSync)
+ return 2;
+ else
+ return 1;
+ }
+ return 0;
+}
+
+static int snd_hdspm_get_madisync_sync_check(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t *
+ ucontrol)
+{
+ hdspm_t *hdspm = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.enumerated.item[0] =
+ hdspm_madisync_sync_check(hdspm);
+ return 0;
+}
+
+
+
+
+static snd_kcontrol_new_t snd_hdspm_controls[] = {
+
+ HDSPM_MIXER("Mixer", 0),
+/* 'Sample Clock Source' complies with the alsa control naming scheme */
+ HDSPM_CLOCK_SOURCE("Sample Clock Source", 0),
+
+ HDSPM_SYSTEM_CLOCK_MODE("System Clock Mode", 0),
+ HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
+ HDSPM_AUTOSYNC_REF("AutoSync Reference", 0),
+ HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
+/* 'External Rate' complies with the alsa control naming scheme */
+ HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
+ HDSPM_WC_SYNC_CHECK("Word Clock Lock Status", 0),
+ HDSPM_MADI_SYNC_CHECK("MADI Sync Lock Status", 0),
+ HDSPM_LINE_OUT("Line Out", 0),
+ HDSPM_TX_64("TX 64 channels mode", 0),
+ HDSPM_C_TMS("Clear Track Marker", 0),
+ HDSPM_SAFE_MODE("Safe Mode", 0),
+ HDSPM_INPUT_SELECT("Input Select", 0),
+};
+
+static snd_kcontrol_new_t snd_hdspm_playback_mixer = HDSPM_PLAYBACK_MIXER;
+
+
+static int hdspm_update_simple_mixer_controls(hdspm_t * hdspm)
+{
+ int i;
+
+ for (i = hdspm->ds_channels; i < hdspm->ss_channels; ++i) {
+ if (hdspm->system_sample_rate > 48000) {
+ hdspm->playback_mixer_ctls[i]->vd[0].access =
+ SNDRV_CTL_ELEM_ACCESS_INACTIVE |
+ SNDRV_CTL_ELEM_ACCESS_READ |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE;
+ } else {
+ hdspm->playback_mixer_ctls[i]->vd[0].access =
+ SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE;
+ }
+ snd_ctl_notify(hdspm->card, SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO,
+ &hdspm->playback_mixer_ctls[i]->id);
+ }
+
+ return 0;
+}
+
+
+static int snd_hdspm_create_controls(snd_card_t * card, hdspm_t * hdspm)
+{
+ unsigned int idx, limit;
+ int err;
+ snd_kcontrol_t *kctl;
+
+ /* add control list first */
+
+ for (idx = 0; idx < ARRAY_SIZE(snd_hdspm_controls); idx++) {
+ if ((err =
+ snd_ctl_add(card, kctl =
+ snd_ctl_new1(&snd_hdspm_controls[idx],
+ hdspm))) < 0) {
+ return err;
+ }
+ }
+
+ /* Channel playback mixer as default control
+ Note: the whole matrix would be 128*HDSPM_MIXER_CHANNELS Faders, thats to big for any alsamixer
+ they are accesible via special IOCTL on hwdep
+ and the mixer 2dimensional mixer control */
+
+ snd_hdspm_playback_mixer.name = "Chn";
+ limit = HDSPM_MAX_CHANNELS;
+
+ /* The index values are one greater than the channel ID so that alsamixer
+ will display them correctly. We want to use the index for fast lookup
+ of the relevant channel, but if we use it at all, most ALSA software
+ does the wrong thing with it ...
+ */
+
+ for (idx = 0; idx < limit; ++idx) {
+ snd_hdspm_playback_mixer.index = idx + 1;
+ if ((err = snd_ctl_add(card,
+ kctl =
+ snd_ctl_new1
+ (&snd_hdspm_playback_mixer,
+ hdspm)))) {
+ return err;
+ }
+ hdspm->playback_mixer_ctls[idx] = kctl;
+ }
+
+ return 0;
+}
+
+/*------------------------------------------------------------
+ /proc interface
+ ------------------------------------------------------------*/
+
+static void
+snd_hdspm_proc_read(snd_info_entry_t * entry, snd_info_buffer_t * buffer)
+{
+ hdspm_t *hdspm = (hdspm_t *) entry->private_data;
+ unsigned int status;
+ unsigned int status2;
+ char *pref_sync_ref;
+ char *autosync_ref;
+ char *system_clock_mode;
+ char *clock_source;
+ char *insel;
+ char *syncref;
+ int x, x2;
+
+ status = hdspm_read(hdspm, HDSPM_statusRegister);
+ status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
+
+ snd_iprintf(buffer, "%s (Card #%d) Rev.%x Status2first3bits: %x\n",
+ hdspm->card_name, hdspm->card->number + 1,
+ hdspm->firmware_rev,
+ (status2 & HDSPM_version0) |
+ (status2 & HDSPM_version1) | (status2 &
+ HDSPM_version2));
+
+ snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
+ hdspm->irq, hdspm->port, (unsigned long)hdspm->iobase);
+
+ snd_iprintf(buffer, "--- System ---\n");
+
+ snd_iprintf(buffer,
+ "IRQ Pending: Audio=%d, MIDI0=%d, MIDI1=%d, IRQcount=%d\n",
+ status & HDSPM_audioIRQPending,
+ (status & HDSPM_midi0IRQPending) ? 1 : 0,
+ (status & HDSPM_midi1IRQPending) ? 1 : 0,
+ hdspm->irq_count);
+ snd_iprintf(buffer,
+ "HW pointer: id = %d, rawptr = %d (%d->%d) estimated= %ld (bytes)\n",
+ ((status & HDSPM_BufferID) ? 1 : 0),
+ (status & HDSPM_BufferPositionMask),
+ (status & HDSPM_BufferPositionMask) % (2 *
+ (int)hdspm->
+ period_bytes),
+ ((status & HDSPM_BufferPositionMask) -
+ 64) % (2 * (int)hdspm->period_bytes),
+ (long) hdspm_hw_pointer(hdspm) * 4);
+
+ snd_iprintf(buffer,
+ "MIDI FIFO: Out1=0x%x, Out2=0x%x, In1=0x%x, In2=0x%x \n",
+ hdspm_read(hdspm, HDSPM_midiStatusOut0) & 0xFF,
+ hdspm_read(hdspm, HDSPM_midiStatusOut1) & 0xFF,
+ hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xFF,
+ hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xFF);
+ snd_iprintf(buffer,
+ "Register: ctrl1=0x%x, ctrl2=0x%x, status1=0x%x, status2=0x%x\n",
+ hdspm->control_register, hdspm->control2_register,
+ status, status2);
+
+ snd_iprintf(buffer, "--- Settings ---\n");
+
+ x = 1 << (6 +
+ hdspm_decode_latency(hdspm->
+ control_register &
+ HDSPM_LatencyMask));
+
+ snd_iprintf(buffer,
+ "Size (Latency): %d samples (2 periods of %lu bytes)\n",
+ x, (unsigned long) hdspm->period_bytes);
+
+ snd_iprintf(buffer, "Line out: %s, Precise Pointer: %s\n",
+ (hdspm->
+ control_register & HDSPM_LineOut) ? "on " : "off",
+ (hdspm->precise_ptr) ? "on" : "off");
+
+ switch (hdspm->control_register & HDSPM_InputMask) {
+ case HDSPM_InputOptical:
+ insel = "Optical";
+ break;
+ case HDSPM_InputCoaxial:
+ insel = "Coaxial";
+ break;
+ default:
+ insel = "Unkown";
+ }
+
+ switch (hdspm->control_register & HDSPM_SyncRefMask) {
+ case HDSPM_SyncRef_Word:
+ syncref = "WordClock";
+ break;
+ case HDSPM_SyncRef_MADI:
+ syncref = "MADI";
+ break;
+ default:
+ syncref = "Unkown";
+ }
+ snd_iprintf(buffer, "Inputsel = %s, SyncRef = %s\n", insel,
+ syncref);
+
+ snd_iprintf(buffer,
+ "ClearTrackMarker = %s, Transmit in %s Channel Mode, Auto Input %s\n",
+ (hdspm->
+ control_register & HDSPM_clr_tms) ? "on" : "off",
+ (hdspm->
+ control_register & HDSPM_TX_64ch) ? "64" : "56",
+ (hdspm->
+ control_register & HDSPM_AutoInp) ? "on" : "off");
+
+ switch (hdspm_clock_source(hdspm)) {
+ case HDSPM_CLOCK_SOURCE_AUTOSYNC:
+ clock_source = "AutoSync";
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_32KHZ:
+ clock_source = "Internal 32 kHz";
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_44_1KHZ:
+ clock_source = "Internal 44.1 kHz";
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_48KHZ:
+ clock_source = "Internal 48 kHz";
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_64KHZ:
+ clock_source = "Internal 64 kHz";
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_88_2KHZ:
+ clock_source = "Internal 88.2 kHz";
+ break;
+ case HDSPM_CLOCK_SOURCE_INTERNAL_96KHZ:
+ clock_source = "Internal 96 kHz";
+ break;
+ default:
+ clock_source = "Error";
+ }
+ snd_iprintf(buffer, "Sample Clock Source: %s\n", clock_source);
+ if (!(hdspm->control_register & HDSPM_ClockModeMaster)) {
+ system_clock_mode = "Slave";
+ } else {
+ system_clock_mode = "Master";
+ }
+ snd_iprintf(buffer, "System Clock Mode: %s\n", system_clock_mode);
+
+ switch (hdspm_pref_sync_ref(hdspm)) {
+ case HDSPM_SYNC_FROM_WORD:
+ pref_sync_ref = "Word Clock";
+ break;
+ case HDSPM_SYNC_FROM_MADI:
+ pref_sync_ref = "MADI Sync";
+ break;
+ default:
+ pref_sync_ref = "XXXX Clock";
+ break;
+ }
+ snd_iprintf(buffer, "Preferred Sync Reference: %s\n",
+ pref_sync_ref);
+
+ snd_iprintf(buffer, "System Clock Frequency: %d\n",
+ hdspm->system_sample_rate);
+
+
+ snd_iprintf(buffer, "--- Status:\n");
+
+ x = status & HDSPM_madiSync;
+ x2 = status2 & HDSPM_wcSync;
+
+ snd_iprintf(buffer, "Inputs MADI=%s, WordClock=%s\n",
+ (status & HDSPM_madiLock) ? (x ? "Sync" : "Lock") :
+ "NoLock",
+ (status2 & HDSPM_wcLock) ? (x2 ? "Sync" : "Lock") :
+ "NoLock");
+
+ switch (hdspm_autosync_ref(hdspm)) {
+ case HDSPM_AUTOSYNC_FROM_WORD:
+ autosync_ref = "Word Clock";
+ break;
+ case HDSPM_AUTOSYNC_FROM_MADI:
+ autosync_ref = "MADI Sync";
+ break;
+ case HDSPM_AUTOSYNC_FROM_NONE:
+ autosync_ref = "Input not valid";
+ break;
+ default:
+ autosync_ref = "---";
+ break;
+ }
+ snd_iprintf(buffer,
+ "AutoSync: Reference= %s, Freq=%d (MADI = %d, Word = %d)\n",
+ autosync_ref, hdspm_external_sample_rate(hdspm),
+ (status & HDSPM_madiFreqMask) >> 22,
+ (status2 & HDSPM_wcFreqMask) >> 5);
+
+ snd_iprintf(buffer, "Input: %s, Mode=%s\n",
+ (status & HDSPM_AB_int) ? "Coax" : "Optical",
+ (status & HDSPM_RX_64ch) ? "64 channels" :
+ "56 channels");
+
+ snd_iprintf(buffer, "\n");
+}
+
+static void __devinit snd_hdspm_proc_init(hdspm_t * hdspm)
+{
+ snd_info_entry_t *entry;
+
+ if (!snd_card_proc_new(hdspm->card, "hdspm", &entry))
+ snd_info_set_text_ops(entry, hdspm, 1024,
+ snd_hdspm_proc_read);
+}
+
+/*------------------------------------------------------------
+ hdspm intitialize
+ ------------------------------------------------------------*/
+
+static int snd_hdspm_set_defaults(hdspm_t * hdspm)
+{
+ unsigned int i;
+
+ /* ASSUMPTION: hdspm->lock is either held, or there is no need to
+ hold it (e.g. during module initalization).
+ */
+
+ /* set defaults: */
+
+ hdspm->control_register = HDSPM_ClockModeMaster | /* Master Cloack Mode on */
+ hdspm_encode_latency(7) | /* latency maximum = 8192 samples */
+ HDSPM_InputCoaxial | /* Input Coax not Optical */
+ HDSPM_SyncRef_MADI | /* Madi is syncclock */
+ HDSPM_LineOut | /* Analog output in */
+ HDSPM_TX_64ch | /* transmit in 64ch mode */
+ HDSPM_AutoInp; /* AutoInput chossing (takeover) */
+
+ /* ! HDSPM_Frequency0|HDSPM_Frequency1 = 44.1khz */
+ /* ! HDSPM_DoubleSpeed HDSPM_QuadSpeed = normal speed */
+ /* ! HDSPM_clr_tms = do not clear bits in track marks */
+
+ hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
+
+#ifdef SNDRV_BIG_ENDIAN
+ hdspm->control2_register = HDSPM_BIGENDIAN_MODE;
+#else
+ hdspm->control2_register = 0;
+#endif
+
+ hdspm_write(hdspm, HDSPM_control2Reg, hdspm->control2_register);
+ hdspm_compute_period_size(hdspm);
+
+ /* silence everything */
+
+ all_in_all_mixer(hdspm, 0 * UNITY_GAIN);
+
+ if (line_outs_monitor[hdspm->dev]) {
+
+ snd_printk(KERN_INFO "HDSPM: sending all playback streams to line outs.\n");
+
+ for (i = 0; i < HDSPM_MIXER_CHANNELS; i++) {
+ if (hdspm_write_pb_gain(hdspm, i, i, UNITY_GAIN))
+ return -EIO;
+ }
+ }
+
+ /* set a default rate so that the channel map is set up. */
+ hdspm->channel_map = channel_map_madi_ss;
+ hdspm_set_rate(hdspm, 44100, 1);
+
+ return 0;
+}
+
+
+/*------------------------------------------------------------
+ interupt
+ ------------------------------------------------------------*/
+
+static irqreturn_t snd_hdspm_interrupt(int irq, void *dev_id,
+ struct pt_regs *regs)
+{
+ hdspm_t *hdspm = (hdspm_t *) dev_id;
+ unsigned int status;
+ int audio;
+ int midi0;
+ int midi1;
+ unsigned int midi0status;
+ unsigned int midi1status;
+ int schedule = 0;
+
+ status = hdspm_read(hdspm, HDSPM_statusRegister);
+
+ audio = status & HDSPM_audioIRQPending;
+ midi0 = status & HDSPM_midi0IRQPending;
+ midi1 = status & HDSPM_midi1IRQPending;
+
+ if (!audio && !midi0 && !midi1)
+ return IRQ_NONE;
+
+ hdspm_write(hdspm, HDSPM_interruptConfirmation, 0);
+ hdspm->irq_count++;
+
+ midi0status = hdspm_read(hdspm, HDSPM_midiStatusIn0) & 0xff;
+ midi1status = hdspm_read(hdspm, HDSPM_midiStatusIn1) & 0xff;
+
+ if (audio) {
+
+ if (hdspm->capture_substream)
+ snd_pcm_period_elapsed(hdspm->pcm->
+ streams
+ [SNDRV_PCM_STREAM_CAPTURE].
+ substream);
+
+ if (hdspm->playback_substream)
+ snd_pcm_period_elapsed(hdspm->pcm->
+ streams
+ [SNDRV_PCM_STREAM_PLAYBACK].
+ substream);
+ }
+
+ if (midi0 && midi0status) {
+ /* we disable interrupts for this input until processing is done */
+ hdspm->control_register &= ~HDSPM_Midi0InterruptEnable;
+ hdspm_write(hdspm, HDSPM_controlRegister,
+ hdspm->control_register);
+ hdspm->midi[0].pending = 1;
+ schedule = 1;
+ }
+ if (midi1 && midi1status) {
+ /* we disable interrupts for this input until processing is done */
+ hdspm->control_register &= ~HDSPM_Midi1InterruptEnable;
+ hdspm_write(hdspm, HDSPM_controlRegister,
+ hdspm->control_register);
+ hdspm->midi[1].pending = 1;
+ schedule = 1;
+ }
+ if (schedule)
+ tasklet_hi_schedule(&hdspm->midi_tasklet);
+ return IRQ_HANDLED;
+}
+
+/*------------------------------------------------------------
+ pcm interface
+ ------------------------------------------------------------*/
+
+
+static snd_pcm_uframes_t snd_hdspm_hw_pointer(snd_pcm_substream_t *
+ substream)
+{
+ hdspm_t *hdspm = snd_pcm_substream_chip(substream);
+ return hdspm_hw_pointer(hdspm);
+}
+
+static char *hdspm_channel_buffer_location(hdspm_t * hdspm,
+ int stream, int channel)
+{
+ int mapped_channel;
+
+ snd_assert(channel >= 0
+ || channel < HDSPM_MAX_CHANNELS, return NULL);
+
+ if ((mapped_channel = hdspm->channel_map[channel]) < 0)
+ return NULL;
+
+ if (stream == SNDRV_PCM_STREAM_CAPTURE) {
+ return hdspm->capture_buffer +
+ mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
+ } else {
+ return hdspm->playback_buffer +
+ mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
+ }
+}
+
+
+/* dont know why need it ??? */
+static int snd_hdspm_playback_copy(snd_pcm_substream_t * substream,
+ int channel, snd_pcm_uframes_t pos,
+ void __user *src, snd_pcm_uframes_t count)
+{
+ hdspm_t *hdspm = snd_pcm_substream_chip(substream);
+ char *channel_buf;
+
+ snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4,
+ return -EINVAL);
+
+ channel_buf = hdspm_channel_buffer_location(hdspm,
+ substream->pstr->
+ stream, channel);
+
+ snd_assert(channel_buf != NULL, return -EIO);
+
+ return copy_from_user(channel_buf + pos * 4, src, count * 4);
+}
+
+static int snd_hdspm_capture_copy(snd_pcm_substream_t * substream,
+ int channel, snd_pcm_uframes_t pos,
+ void __user *dst, snd_pcm_uframes_t count)
+{
+ hdspm_t *hdspm = snd_pcm_substream_chip(substream);
+ char *channel_buf;
+
+ snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4,
+ return -EINVAL);
+
+ channel_buf = hdspm_channel_buffer_location(hdspm,
+ substream->pstr->
+ stream, channel);
+ snd_assert(channel_buf != NULL, return -EIO);
+ return copy_to_user(dst, channel_buf + pos * 4, count * 4);
+}
+
+static int snd_hdspm_hw_silence(snd_pcm_substream_t * substream,
+ int channel, snd_pcm_uframes_t pos,
+ snd_pcm_uframes_t count)
+{
+ hdspm_t *hdspm = snd_pcm_substream_chip(substream);
+ char *channel_buf;
+
+ channel_buf =
+ hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
+ channel);
+ snd_assert(channel_buf != NULL, return -EIO);
+ memset(channel_buf + pos * 4, 0, count * 4);
+ return 0;
+}
+
+static int snd_hdspm_reset(snd_pcm_substream_t * substream)
+{
+ snd_pcm_runtime_t *runtime = substream->runtime;
+ hdspm_t *hdspm = snd_pcm_substream_chip(substream);
+ snd_pcm_substream_t *other;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ other = hdspm->capture_substream;
+ else
+ other = hdspm->playback_substream;
+
+ if (hdspm->running)
+ runtime->status->hw_ptr = hdspm_hw_pointer(hdspm);
+ else
+ runtime->status->hw_ptr = 0;
+ if (other) {
+ struct list_head *pos;
+ snd_pcm_substream_t *s;
+ snd_pcm_runtime_t *oruntime = other->runtime;
+ snd_pcm_group_for_each(pos, substream) {
+ s = snd_pcm_group_substream_entry(pos);
+ if (s == other) {
+ oruntime->status->hw_ptr =
+ runtime->status->hw_ptr;
+ break;
+ }
+ }
+ }
+ return 0;
+}
+
+static int snd_hdspm_hw_params(snd_pcm_substream_t * substream,
+ snd_pcm_hw_params_t * params)
+{
+ hdspm_t *hdspm = snd_pcm_substream_chip(substream);
+ int err;
+ int i;
+ pid_t this_pid;
+ pid_t other_pid;
+ struct snd_sg_buf *sgbuf;
+
+
+ spin_lock_irq(&hdspm->lock);
+
+ if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ this_pid = hdspm->playback_pid;
+ other_pid = hdspm->capture_pid;
+ } else {
+ this_pid = hdspm->capture_pid;
+ other_pid = hdspm->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) != hdspm->system_sample_rate) {
+ spin_unlock_irq(&hdspm->lock);
+ _snd_pcm_hw_param_setempty(params,
+ SNDRV_PCM_HW_PARAM_RATE);
+ return -EBUSY;
+ }
+
+ if (params_period_size(params) != hdspm->period_bytes / 4) {
+ spin_unlock_irq(&hdspm->lock);
+ _snd_pcm_hw_param_setempty(params,
+ SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
+ return -EBUSY;
+ }
+
+ }
+ /* We're fine. */
+ spin_unlock_irq(&hdspm->lock);
+
+ /* how to make sure that the rate matches an externally-set one ? */
+
+ spin_lock_irq(&hdspm->lock);
+ if ((err = hdspm_set_rate(hdspm, params_rate(params), 0)) < 0) {
+ spin_unlock_irq(&hdspm->lock);
+ _snd_pcm_hw_param_setempty(params,
+ SNDRV_PCM_HW_PARAM_RATE);
+ return err;
+ }
+ spin_unlock_irq(&hdspm->lock);
+
+ if ((err =
+ hdspm_set_interrupt_interval(hdspm,
+ params_period_size(params))) <
+ 0) {
+ _snd_pcm_hw_param_setempty(params,
+ SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
+ return err;
+ }
+
+ /* Memory allocation, takashi's method, dont know if we should spinlock */
+ /* malloc all buffer even if not enabled to get sure */
+ /* malloc only needed bytes */
+ err =
+ snd_pcm_lib_malloc_pages(substream,
+ HDSPM_CHANNEL_BUFFER_BYTES *
+ params_channels(params));
+ if (err < 0)
+ return err;
+
+ sgbuf = snd_pcm_substream_sgbuf(substream);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+
+ hdspm_set_sgbuf(hdspm, sgbuf, HDSPM_pageAddressBufferOut,
+ params_channels(params));
+
+ for (i = 0; i < params_channels(params); ++i)
+ snd_hdspm_enable_out(hdspm, i, 1);
+
+ hdspm->playback_buffer =
+ (unsigned char *) substream->runtime->dma_area;
+ } else {
+ hdspm_set_sgbuf(hdspm, sgbuf, HDSPM_pageAddressBufferIn,
+ params_channels(params));
+
+ for (i = 0; i < params_channels(params); ++i)
+ snd_hdspm_enable_in(hdspm, i, 1);
+
+ hdspm->capture_buffer =
+ (unsigned char *) substream->runtime->dma_area;
+ }
+ return 0;
+}
+
+static int snd_hdspm_hw_free(snd_pcm_substream_t * substream)
+{
+ int i;
+ hdspm_t *hdspm = snd_pcm_substream_chip(substream);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+
+ /* params_channels(params) should be enough,
+ but to get sure in case of error */
+ for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
+ snd_hdspm_enable_out(hdspm, i, 0);
+
+ hdspm->playback_buffer = NULL;
+ } else {
+ for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
+ snd_hdspm_enable_in(hdspm, i, 0);
+
+ hdspm->capture_buffer = NULL;
+
+ }
+
+ snd_pcm_lib_free_pages(substream);
+
+ return 0;
+}
+
+static int snd_hdspm_channel_info(snd_pcm_substream_t * substream,
+ snd_pcm_channel_info_t * info)
+{
+ hdspm_t *hdspm = snd_pcm_substream_chip(substream);
+ int mapped_channel;
+
+ snd_assert(info->channel < HDSPM_MAX_CHANNELS, return -EINVAL);
+
+ if ((mapped_channel = hdspm->channel_map[info->channel]) < 0)
+ return -EINVAL;
+
+ info->offset = mapped_channel * HDSPM_CHANNEL_BUFFER_BYTES;
+ info->first = 0;
+ info->step = 32;
+ return 0;
+}
+
+static int snd_hdspm_ioctl(snd_pcm_substream_t * substream,
+ unsigned int cmd, void *arg)
+{
+ switch (cmd) {
+ case SNDRV_PCM_IOCTL1_RESET:
+ {
+ return snd_hdspm_reset(substream);
+ }
+
+ case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
+ {
+ snd_pcm_channel_info_t *info = arg;
+ return snd_hdspm_channel_info(substream, info);
+ }
+ default:
+ break;
+ }
+
+ return snd_pcm_lib_ioctl(substream, cmd, arg);
+}
+
+static int snd_hdspm_trigger(snd_pcm_substream_t * substream, int cmd)
+{
+ hdspm_t *hdspm = snd_pcm_substream_chip(substream);
+ snd_pcm_substream_t *other;
+ int running;
+
+ spin_lock(&hdspm->lock);
+ running = hdspm->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(&hdspm->lock);
+ return -EINVAL;
+ }
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ other = hdspm->capture_substream;
+ else
+ other = hdspm->playback_substream;
+
+ if (other) {
+ struct list_head *pos;
+ snd_pcm_substream_t *s;
+ snd_pcm_group_for_each(pos, substream) {
+ s = snd_pcm_group_substream_entry(pos);
+ 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)
+ hdspm_silence_playback(hdspm);
+ } else {
+ if (running &&
+ substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ hdspm_silence_playback(hdspm);
+ }
+ } else {
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ hdspm_silence_playback(hdspm);
+ }
+ _ok:
+ snd_pcm_trigger_done(substream, substream);
+ if (!hdspm->running && running)
+ hdspm_start_audio(hdspm);
+ else if (hdspm->running && !running)
+ hdspm_stop_audio(hdspm);
+ hdspm->running = running;
+ spin_unlock(&hdspm->lock);
+
+ return 0;
+}
+
+static int snd_hdspm_prepare(snd_pcm_substream_t * substream)
+{
+ return 0;
+}
+
+static unsigned int period_sizes[] =
+ { 64, 128, 256, 512, 1024, 2048, 4096, 8192 };
+
+static snd_pcm_hardware_t snd_hdspm_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),
+ .formats = SNDRV_PCM_FMTBIT_S32_LE,
+ .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 = 1,
+ .channels_max = HDSPM_MAX_CHANNELS,
+ .buffer_bytes_max =
+ HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
+ .period_bytes_min = (64 * 4),
+ .period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
+ .periods_min = 2,
+ .periods_max = 2,
+ .fifo_size = 0
+};
+
+static snd_pcm_hardware_t snd_hdspm_capture_subinfo = {
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_NONINTERLEAVED |
+ SNDRV_PCM_INFO_SYNC_START),
+ .formats = SNDRV_PCM_FMTBIT_S32_LE,
+ .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 = 1,
+ .channels_max = HDSPM_MAX_CHANNELS,
+ .buffer_bytes_max =
+ HDSPM_CHANNEL_BUFFER_BYTES * HDSPM_MAX_CHANNELS,
+ .period_bytes_min = (64 * 4),
+ .period_bytes_max = (8192 * 4) * HDSPM_MAX_CHANNELS,
+ .periods_min = 2,
+ .periods_max = 2,
+ .fifo_size = 0
+};
+
+static snd_pcm_hw_constraint_list_t hw_constraints_period_sizes = {
+ .count = ARRAY_SIZE(period_sizes),
+ .list = period_sizes,
+ .mask = 0
+};
+
+
+static int snd_hdspm_hw_rule_channels_rate(snd_pcm_hw_params_t * params,
+ snd_pcm_hw_rule_t * rule)
+{
+ hdspm_t *hdspm = rule->private;
+ snd_interval_t *c =
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+ snd_interval_t *r =
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
+
+ if (r->min > 48000) {
+ snd_interval_t t = {
+ .min = 1,
+ .max = hdspm->ds_channels,
+ .integer = 1,
+ };
+ return snd_interval_refine(c, &t);
+ } else if (r->max < 64000) {
+ snd_interval_t t = {
+ .min = 1,
+ .max = hdspm->ss_channels,
+ .integer = 1,
+ };
+ return snd_interval_refine(c, &t);
+ }
+ return 0;
+}
+
+static int snd_hdspm_hw_rule_rate_channels(snd_pcm_hw_params_t * params,
+ snd_pcm_hw_rule_t * rule)
+{
+ hdspm_t *hdspm = rule->private;
+ snd_interval_t *c =
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+ snd_interval_t *r =
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
+
+ if (c->min <= hdspm->ss_channels) {
+ snd_interval_t t = {
+ .min = 32000,
+ .max = 48000,
+ .integer = 1,
+ };
+ return snd_interval_refine(r, &t);
+ } else if (c->max > hdspm->ss_channels) {
+ snd_interval_t t = {
+ .min = 64000,
+ .max = 96000,
+ .integer = 1,
+ };
+
+ return snd_interval_refine(r, &t);
+ }
+ return 0;
+}
+
+static int snd_hdspm_playback_open(snd_pcm_substream_t * substream)
+{
+ hdspm_t *hdspm = snd_pcm_substream_chip(substream);
+ snd_pcm_runtime_t *runtime = substream->runtime;
+
+ snd_printdd("Open device substream %d\n", substream->stream);
+
+ spin_lock_irq(&hdspm->lock);
+
+ snd_pcm_set_sync(substream);
+
+ runtime->hw = snd_hdspm_playback_subinfo;
+
+ if (hdspm->capture_substream == NULL)
+ hdspm_stop_audio(hdspm);
+
+ hdspm->playback_pid = current->pid;
+ hdspm->playback_substream = substream;
+
+ spin_unlock_irq(&hdspm->lock);
+
+ snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
+
+ snd_pcm_hw_constraint_list(runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
+ &hw_constraints_period_sizes);
+
+ snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+ snd_hdspm_hw_rule_channels_rate, hdspm,
+ SNDRV_PCM_HW_PARAM_RATE, -1);
+
+ snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+ snd_hdspm_hw_rule_rate_channels, hdspm,
+ SNDRV_PCM_HW_PARAM_CHANNELS, -1);
+
+ return 0;
+}
+
+static int snd_hdspm_playback_release(snd_pcm_substream_t * substream)
+{
+ hdspm_t *hdspm = snd_pcm_substream_chip(substream);
+
+ spin_lock_irq(&hdspm->lock);
+
+ hdspm->playback_pid = -1;
+ hdspm->playback_substream = NULL;
+
+ spin_unlock_irq(&hdspm->lock);
+
+ return 0;
+}
+
+
+static int snd_hdspm_capture_open(snd_pcm_substream_t * substream)
+{
+ hdspm_t *hdspm = snd_pcm_substream_chip(substream);
+ snd_pcm_runtime_t *runtime = substream->runtime;
+
+ spin_lock_irq(&hdspm->lock);
+ snd_pcm_set_sync(substream);
+ runtime->hw = snd_hdspm_capture_subinfo;
+
+ if (hdspm->playback_substream == NULL)
+ hdspm_stop_audio(hdspm);
+
+ hdspm->capture_pid = current->pid;
+ hdspm->capture_substream = substream;
+
+ spin_unlock_irq(&hdspm->lock);
+
+ snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
+ snd_pcm_hw_constraint_list(runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
+ &hw_constraints_period_sizes);
+
+ snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+ snd_hdspm_hw_rule_channels_rate, hdspm,
+ SNDRV_PCM_HW_PARAM_RATE, -1);
+
+ snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+ snd_hdspm_hw_rule_rate_channels, hdspm,
+ SNDRV_PCM_HW_PARAM_CHANNELS, -1);
+ return 0;
+}
+
+static int snd_hdspm_capture_release(snd_pcm_substream_t * substream)
+{
+ hdspm_t *hdspm = snd_pcm_substream_chip(substream);
+
+ spin_lock_irq(&hdspm->lock);
+
+ hdspm->capture_pid = -1;
+ hdspm->capture_substream = NULL;
+
+ spin_unlock_irq(&hdspm->lock);
+ return 0;
+}
+
+static int snd_hdspm_hwdep_dummy_op(snd_hwdep_t * hw, struct file *file)
+{
+ /* we have nothing to initialize but the call is required */
+ return 0;
+}
+
+
+static int snd_hdspm_hwdep_ioctl(snd_hwdep_t * hw, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ hdspm_t *hdspm = (hdspm_t *) hw->private_data;
+ struct sndrv_hdspm_mixer_ioctl mixer;
+ hdspm_config_info_t info;
+ hdspm_version_t hdspm_version;
+ struct sndrv_hdspm_peak_rms_ioctl rms;
+
+ switch (cmd) {
+
+
+ case SNDRV_HDSPM_IOCTL_GET_PEAK_RMS:
+ if (copy_from_user(&rms, (void __user *)arg, sizeof(rms)))
+ return -EFAULT;
+ /* maybe there is a chance to memorymap in future so dont touch just copy */
+ if(copy_to_user_fromio((void __user *)rms.peak,
+ hdspm->iobase+HDSPM_MADI_peakrmsbase,
+ sizeof(hdspm_peak_rms_t)) != 0 )
+ return -EFAULT;
+
+ break;
+
+
+ case SNDRV_HDSPM_IOCTL_GET_CONFIG_INFO:
+
+ spin_lock_irq(&hdspm->lock);
+ info.pref_sync_ref =
+ (unsigned char) hdspm_pref_sync_ref(hdspm);
+ info.wordclock_sync_check =
+ (unsigned char) hdspm_wc_sync_check(hdspm);
+
+ info.system_sample_rate = hdspm->system_sample_rate;
+ info.autosync_sample_rate =
+ hdspm_external_sample_rate(hdspm);
+ info.system_clock_mode =
+ (unsigned char) hdspm_system_clock_mode(hdspm);
+ info.clock_source =
+ (unsigned char) hdspm_clock_source(hdspm);
+ info.autosync_ref =
+ (unsigned char) hdspm_autosync_ref(hdspm);
+ info.line_out = (unsigned char) hdspm_line_out(hdspm);
+ info.passthru = 0;
+ spin_unlock_irq(&hdspm->lock);
+ if (copy_to_user((void __user *) arg, &info, sizeof(info)))
+ return -EFAULT;
+ break;
+
+ case SNDRV_HDSPM_IOCTL_GET_VERSION:
+ hdspm_version.firmware_rev = hdspm->firmware_rev;
+ if (copy_to_user((void __user *) arg, &hdspm_version,
+ sizeof(hdspm_version)))
+ return -EFAULT;
+ break;
+
+ case SNDRV_HDSPM_IOCTL_GET_MIXER:
+ if (copy_from_user(&mixer, (void __user *)arg, sizeof(mixer)))
+ return -EFAULT;
+ if (copy_to_user
+ ((void __user *)mixer.mixer, hdspm->mixer, sizeof(hdspm_mixer_t)))
+ return -EFAULT;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static snd_pcm_ops_t snd_hdspm_playback_ops = {
+ .open = snd_hdspm_playback_open,
+ .close = snd_hdspm_playback_release,
+ .ioctl = snd_hdspm_ioctl,
+ .hw_params = snd_hdspm_hw_params,
+ .hw_free = snd_hdspm_hw_free,
+ .prepare = snd_hdspm_prepare,
+ .trigger = snd_hdspm_trigger,
+ .pointer = snd_hdspm_hw_pointer,
+ .copy = snd_hdspm_playback_copy,
+ .silence = snd_hdspm_hw_silence,
+ .page = snd_pcm_sgbuf_ops_page,
+};
+
+static snd_pcm_ops_t snd_hdspm_capture_ops = {
+ .open = snd_hdspm_capture_open,
+ .close = snd_hdspm_capture_release,
+ .ioctl = snd_hdspm_ioctl,
+ .hw_params = snd_hdspm_hw_params,
+ .hw_free = snd_hdspm_hw_free,
+ .prepare = snd_hdspm_prepare,
+ .trigger = snd_hdspm_trigger,
+ .pointer = snd_hdspm_hw_pointer,
+ .copy = snd_hdspm_capture_copy,
+ .page = snd_pcm_sgbuf_ops_page,
+};
+
+static int __devinit snd_hdspm_create_hwdep(snd_card_t * card,
+ hdspm_t * hdspm)
+{
+ snd_hwdep_t *hw;
+ int err;
+
+ if ((err = snd_hwdep_new(card, "HDSPM hwdep", 0, &hw)) < 0)
+ return err;
+
+ hdspm->hwdep = hw;
+ hw->private_data = hdspm;
+ strcpy(hw->name, "HDSPM hwdep interface");
+
+ hw->ops.open = snd_hdspm_hwdep_dummy_op;
+ hw->ops.ioctl = snd_hdspm_hwdep_ioctl;
+ hw->ops.release = snd_hdspm_hwdep_dummy_op;
+
+ return 0;
+}
+
+
+/*------------------------------------------------------------
+ memory interface
+ ------------------------------------------------------------*/
+static int __devinit snd_hdspm_preallocate_memory(hdspm_t * hdspm)
+{
+ int err;
+ snd_pcm_t *pcm;
+ size_t wanted;
+
+ pcm = hdspm->pcm;
+
+ wanted = HDSPM_DMA_AREA_BYTES + 4096; /* dont know why, but it works */
+
+ if ((err =
+ snd_pcm_lib_preallocate_pages_for_all(pcm,
+ SNDRV_DMA_TYPE_DEV_SG,
+ snd_dma_pci_data(hdspm->pci),
+ wanted,
+ wanted)) < 0) {
+ snd_printdd("Could not preallocate %d Bytes\n", wanted);
+
+ return err;
+ } else
+ snd_printdd(" Preallocated %d Bytes\n", wanted);
+
+ return 0;
+}
+
+static int snd_hdspm_memory_free(hdspm_t * hdspm)
+{
+ snd_printdd("memory_free_for_all %p\n", hdspm->pcm);
+
+ snd_pcm_lib_preallocate_free_for_all(hdspm->pcm);
+ return 0;
+}
+
+
+static void hdspm_set_sgbuf(hdspm_t * hdspm, struct snd_sg_buf *sgbuf,
+ unsigned int reg, int channels)
+{
+ int i;
+ for (i = 0; i < (channels * 16); i++)
+ hdspm_write(hdspm, reg + 4 * i,
+ snd_pcm_sgbuf_get_addr(sgbuf,
+ (size_t) 4096 * i));
+}
+
+/* ------------- ALSA Devices ---------------------------- */
+static int __devinit snd_hdspm_create_pcm(snd_card_t * card,
+ hdspm_t * hdspm)
+{
+ snd_pcm_t *pcm;
+ int err;
+
+ if ((err = snd_pcm_new(card, hdspm->card_name, 0, 1, 1, &pcm)) < 0)
+ return err;
+
+ hdspm->pcm = pcm;
+ pcm->private_data = hdspm;
+ strcpy(pcm->name, hdspm->card_name);
+
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ &snd_hdspm_playback_ops);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
+ &snd_hdspm_capture_ops);
+
+ pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
+
+ if ((err = snd_hdspm_preallocate_memory(hdspm)) < 0)
+ return err;
+
+ return 0;
+}
+
+static inline void snd_hdspm_initialize_midi_flush(hdspm_t * hdspm)
+{
+ snd_hdspm_flush_midi_input(hdspm, 0);
+ snd_hdspm_flush_midi_input(hdspm, 1);
+}
+
+static int __devinit snd_hdspm_create_alsa_devices(snd_card_t * card,
+ hdspm_t * hdspm)
+{
+ int err;
+
+ snd_printdd("Create card...\n");
+ if ((err = snd_hdspm_create_pcm(card, hdspm)) < 0)
+ return err;
+
+ if ((err = snd_hdspm_create_midi(card, hdspm, 0)) < 0)
+ return err;
+
+ if ((err = snd_hdspm_create_midi(card, hdspm, 1)) < 0)
+ return err;
+
+ if ((err = snd_hdspm_create_controls(card, hdspm)) < 0)
+ return err;
+
+ if ((err = snd_hdspm_create_hwdep(card, hdspm)) < 0)
+ return err;
+
+ snd_printdd("proc init...\n");
+ snd_hdspm_proc_init(hdspm);
+
+ hdspm->system_sample_rate = -1;
+ hdspm->last_external_sample_rate = -1;
+ hdspm->last_internal_sample_rate = -1;
+ hdspm->playback_pid = -1;
+ hdspm->capture_pid = -1;
+ hdspm->capture_substream = NULL;
+ hdspm->playback_substream = NULL;
+
+ snd_printdd("Set defaults...\n");
+ if ((err = snd_hdspm_set_defaults(hdspm)) < 0)
+ return err;
+
+ snd_printdd("Update mixer controls...\n");
+ hdspm_update_simple_mixer_controls(hdspm);
+
+ snd_printdd("Initializeing complete ???\n");
+
+ if ((err = snd_card_register(card)) < 0) {
+ snd_printk(KERN_ERR "HDSPM: error registering card\n");
+ return err;
+ }
+
+ snd_printdd("... yes now\n");
+
+ return 0;
+}
+
+static int __devinit snd_hdspm_create(snd_card_t * card, hdspm_t * hdspm,
+ int precise_ptr, int enable_monitor)
+{
+ struct pci_dev *pci = hdspm->pci;
+ int err;
+ int i;
+
+ unsigned long io_extent;
+
+ hdspm->irq = -1;
+ hdspm->irq_count = 0;
+
+ hdspm->midi[0].rmidi = NULL;
+ hdspm->midi[1].rmidi = NULL;
+ hdspm->midi[0].input = NULL;
+ hdspm->midi[1].input = NULL;
+ hdspm->midi[0].output = NULL;
+ hdspm->midi[1].output = NULL;
+ spin_lock_init(&hdspm->midi[0].lock);
+ spin_lock_init(&hdspm->midi[1].lock);
+ hdspm->iobase = NULL;
+ hdspm->control_register = 0;
+ hdspm->control2_register = 0;
+
+ hdspm->playback_buffer = NULL;
+ hdspm->capture_buffer = NULL;
+
+ for (i = 0; i < HDSPM_MAX_CHANNELS; ++i)
+ hdspm->playback_mixer_ctls[i] = NULL;
+ hdspm->mixer = NULL;
+
+ hdspm->card = card;
+
+ spin_lock_init(&hdspm->lock);
+
+ tasklet_init(&hdspm->midi_tasklet,
+ hdspm_midi_tasklet, (unsigned long) hdspm);
+
+ pci_read_config_word(hdspm->pci,
+ PCI_CLASS_REVISION, &hdspm->firmware_rev);
+
+ strcpy(card->driver, "HDSPM");
+ strcpy(card->mixername, "Xilinx FPGA");
+ hdspm->card_name = "RME HDSPM MADI";
+
+ if ((err = pci_enable_device(pci)) < 0)
+ return err;
+
+ pci_set_master(hdspm->pci);
+
+ if ((err = pci_request_regions(pci, "hdspm")) < 0)
+ return err;
+
+ hdspm->port = pci_resource_start(pci, 0);
+ io_extent = pci_resource_len(pci, 0);
+
+ snd_printdd("grabbed memory region 0x%lx-0x%lx\n",
+ hdspm->port, hdspm->port + io_extent - 1);
+
+
+ if ((hdspm->iobase = ioremap_nocache(hdspm->port, io_extent)) == NULL) {
+ snd_printk(KERN_ERR "HDSPM: unable to remap region 0x%lx-0x%lx\n",
+ hdspm->port, hdspm->port + io_extent - 1);
+ return -EBUSY;
+ }
+ snd_printdd("remapped region (0x%lx) 0x%lx-0x%lx\n",
+ (unsigned long)hdspm->iobase, hdspm->port,
+ hdspm->port + io_extent - 1);
+
+ if (request_irq(pci->irq, snd_hdspm_interrupt,
+ SA_INTERRUPT | SA_SHIRQ, "hdspm",
+ (void *) hdspm)) {
+ snd_printk(KERN_ERR "HDSPM: unable to use IRQ %d\n", pci->irq);
+ return -EBUSY;
+ }
+
+ snd_printdd("use IRQ %d\n", pci->irq);
+
+ hdspm->irq = pci->irq;
+ hdspm->precise_ptr = precise_ptr;
+
+ hdspm->monitor_outs = enable_monitor;
+
+ snd_printdd("kmalloc Mixer memory of %d Bytes\n",
+ sizeof(hdspm_mixer_t));
+ if ((hdspm->mixer =
+ (hdspm_mixer_t *) kmalloc(sizeof(hdspm_mixer_t), GFP_KERNEL))
+ == NULL) {
+ snd_printk(KERN_ERR "HDSPM: unable to kmalloc Mixer memory of %d Bytes\n",
+ (int)sizeof(hdspm_mixer_t));
+ return err;
+ }
+
+ hdspm->ss_channels = MADI_SS_CHANNELS;
+ hdspm->ds_channels = MADI_DS_CHANNELS;
+ hdspm->qs_channels = MADI_QS_CHANNELS;
+
+ snd_printdd("create alsa devices.\n");
+ if ((err = snd_hdspm_create_alsa_devices(card, hdspm)) < 0)
+ return err;
+
+ snd_hdspm_initialize_midi_flush(hdspm);
+
+ return 0;
+}
+
+static int snd_hdspm_free(hdspm_t * hdspm)
+{
+
+ if (hdspm->port) {
+
+ /* stop th audio, and cancel all interrupts */
+ hdspm->control_register &=
+ ~(HDSPM_Start | HDSPM_AudioInterruptEnable
+ | HDSPM_Midi0InterruptEnable |
+ HDSPM_Midi1InterruptEnable);
+ hdspm_write(hdspm, HDSPM_controlRegister,
+ hdspm->control_register);
+ }
+
+ if (hdspm->irq >= 0)
+ free_irq(hdspm->irq, (void *) hdspm);
+
+
+ if (hdspm->mixer)
+ kfree(hdspm->mixer);
+
+ if (hdspm->iobase)
+ iounmap(hdspm->iobase);
+
+ snd_hdspm_memory_free(hdspm);
+
+ if (hdspm->port)
+ pci_release_regions(hdspm->pci);
+
+ pci_disable_device(hdspm->pci);
+ return 0;
+}
+
+static void snd_hdspm_card_free(snd_card_t * card)
+{
+ hdspm_t *hdspm = (hdspm_t *) card->private_data;
+
+ if (hdspm)
+ snd_hdspm_free(hdspm);
+}
+
+static int __devinit snd_hdspm_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
+{
+ static int dev;
+ hdspm_t *hdspm;
+ snd_card_t *card;
+ int err;
+
+ if (dev >= SNDRV_CARDS)
+ return -ENODEV;
+ if (!enable[dev]) {
+ dev++;
+ return -ENOENT;
+ }
+
+ if (!(card = snd_card_new(index[dev], id[dev],
+ THIS_MODULE, sizeof(hdspm_t))))
+ return -ENOMEM;
+
+ hdspm = (hdspm_t *) card->private_data;
+ card->private_free = snd_hdspm_card_free;
+ hdspm->dev = dev;
+ hdspm->pci = pci;
+
+ if ((err =
+ snd_hdspm_create(card, hdspm, precise_ptr[dev],
+ enable_monitor[dev])) < 0) {
+ snd_card_free(card);
+ return err;
+ }
+
+ strcpy(card->shortname, "HDSPM MADI");
+ sprintf(card->longname, "%s at 0x%lx, irq %d", hdspm->card_name,
+ hdspm->port, hdspm->irq);
+
+ if ((err = snd_card_register(card)) < 0) {
+ snd_card_free(card);
+ return err;
+ }
+
+ pci_set_drvdata(pci, card);
+
+ dev++;
+ return 0;
+}
+
+static void __devexit snd_hdspm_remove(struct pci_dev *pci)
+{
+ snd_card_free(pci_get_drvdata(pci));
+ pci_set_drvdata(pci, NULL);
+}
+
+static struct pci_driver driver = {
+ .name = "RME Hammerfall DSP MADI",
+ .id_table = snd_hdspm_ids,
+ .probe = snd_hdspm_probe,
+ .remove = __devexit_p(snd_hdspm_remove),
+};
+
+
+static int __init alsa_card_hdspm_init(void)
+{
+ return pci_register_driver(&driver);
+}
+
+static void __exit alsa_card_hdspm_exit(void)
+{
+ pci_unregister_driver(&driver);
+}
+
+module_init(alsa_card_hdspm_init)
+module_exit(alsa_card_hdspm_exit)
projects / GitHub / LineageOS / G12 / android_kernel_amlogic_linux-4.9.git / commitdiff