// SPDX-License-Identifier: GPL-2.0-or-later
/*
* ALSA driver for RME Digi9652 audio interfaces
*
* Copyright ( c ) 1999 IEM - Winfried Ritsch
* Copyright ( c ) 1999 - 2001 Paul Davis
*/
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/nospec.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/info.h>
#include <sound/asoundef.h>
#include <sound/initval.h>
#include <asm /current.h>
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
static bool precise_ptr[SNDRV_CARDS]; /* Enable precise pointer */
module_param_array(index, int , NULL, 0444 );
MODULE_PARM_DESC(index, "Index value for RME Digi9652 (Hammerfall) soundcard." );
module_param_array(id, charp, NULL, 0444 );
MODULE_PARM_DESC(id, "ID string for RME Digi9652 (Hammerfall) soundcard." );
module_param_array(enable, bool , NULL, 0444 );
MODULE_PARM_DESC(enable, "Enable/disable specific RME96{52,36} soundcards." );
module_param_array(precise_ptr, bool , NULL, 0444 );
MODULE_PARM_DESC(precise_ptr, "Enable precise pointer (doesn't work reliably)." );
MODULE_AUTHOR("Paul Davis <pbd@op.net>, Winfried Ritsch" );
MODULE_DESCRIPTION("RME Digi9652/Digi9636" );
MODULE_LICENSE("GPL" );
/* The Hammerfall has two sets of 24 ADAT + 2 S/PDIF channels, one for
capture , one for playback . Both the ADAT and S / PDIF channels appear
to the host CPU in the same block of memory . There is no functional
difference between them in terms of access .
The Hammerfall Light is identical to the Hammerfall , except that it
has 2 sets 18 channels ( 16 ADAT + 2 S / PDIF ) for capture and playback .
*/
#define RME9652_NCHANNELS 26
#define RME9636_NCHANNELS 18
/* Preferred sync source choices - used by "sync_pref" control switch */
#define RME9652_SYNC_FROM_SPDIF 0
#define RME9652_SYNC_FROM_ADAT1 1
#define RME9652_SYNC_FROM_ADAT2 2
#define RME9652_SYNC_FROM_ADAT3 3
/* Possible sources of S/PDIF input */
#define RME9652_SPDIFIN_OPTICAL 0 /* optical (ADAT1) */
#define RME9652_SPDIFIN_COAXIAL 1 /* coaxial (RCA) */
#define RME9652_SPDIFIN_INTERN 2 /* internal (CDROM) */
/* ------------- Status-Register bits --------------------- */
#define RME9652_IRQ (1 <<0 ) /* IRQ is High if not reset by irq_clear */
#define RME9652_lock_2 (1 <<1 ) /* ADAT 3-PLL: 1=locked, 0=unlocked */
#define RME9652_lock_1 (1 <<2 ) /* ADAT 2-PLL: 1=locked, 0=unlocked */
#define RME9652_lock_0 (1 <<3 ) /* ADAT 1-PLL: 1=locked, 0=unlocked */
#define RME9652_fs48 (1 <<4 ) /* sample rate is 0=44.1/88.2,1=48/96 Khz */
#define RME9652_wsel_rd (1 <<5 ) /* if Word-Clock is used and valid then 1 */
/* bits 6-15 encode h/w buffer pointer position */
#define RME9652_sync_2 (1 <<16 ) /* if ADAT-IN 3 in sync to system clock */
#define RME9652_sync_1 (1 <<17 ) /* if ADAT-IN 2 in sync to system clock */
#define RME9652_sync_0 (1 <<18 ) /* if ADAT-IN 1 in sync to system clock */
#define RME9652_DS_rd (1 <<19 ) /* 1=Double Speed Mode, 0=Normal Speed */
#define RME9652_tc_busy (1 <<20 ) /* 1=time-code copy in progress (960ms) */
#define RME9652_tc_out (1 <<21 ) /* time-code out bit */
#define RME9652_F_0 (1 <<22 ) /* 000=64kHz, 100=88.2kHz, 011=96kHz */
#define RME9652_F_1 (1 <<23 ) /* 111=32kHz, 110=44.1kHz, 101=48kHz, */
#define RME9652_F_2 (1 <<24 ) /* external Crystal Chip if ERF=1 */
#define RME9652_ERF (1 <<25 ) /* Error-Flag of SDPIF Receiver (1=No Lock) */
#define RME9652_buffer_id (1 <<26 ) /* toggles by each interrupt on rec/play */
#define RME9652_tc_valid (1 <<27 ) /* 1 = a signal is detected on time-code input */
#define RME9652_SPDIF_READ (1 <<28 ) /* byte available from Rev 1.5+ S/PDIF interface */
#define RME9652_sync (RME9652_sync_0|RME9652_sync_1|RME9652_sync_2)
#define RME9652_lock (RME9652_lock_0|RME9652_lock_1|RME9652_lock_2)
#define RME9652_F (RME9652_F_0|RME9652_F_1|RME9652_F_2)
#define rme9652_decode_spdif_rate(x) ((x)>>22 )
/* Bit 6..15 : h/w buffer pointer */
#define RME9652_buf_pos 0 x000FFC0
/* Bits 31,30,29 are bits 5,4,3 of h/w pointer position on later
Rev G EEPROMS and Rev 1 . 5 cards or later .
*/
#define RME9652_REV15_buf_pos(x) ((((x)&0 xE0000000)>>26 )|((x)&RME9652_buf_pos))
/* amount of io space we remap for register access. i'm not sure we
even need this much , but 1 K is nice round number : )
*/
#define RME9652_IO_EXTENT 1024
#define RME9652_init_buffer 0
#define RME9652_play_buffer 32 /* holds ptr to 26x64kBit host RAM */
#define RME9652_rec_buffer 36 /* holds ptr to 26x64kBit host RAM */
#define RME9652_control_register 64
#define RME9652_irq_clear 96
#define RME9652_time_code 100 /* useful if used with alesis adat */
#define RME9652_thru_base 128 /* 132...228 Thru for 26 channels */
/* Read-only registers */
/* Writing to any of the register locations writes to the status
register . We ' ll use the first location as our point of access .
*/
#define RME9652_status_register 0
/* --------- Control-Register Bits ---------------- */
#define RME9652_start_bit (1 <<0 ) /* start record/play */
/* bits 1-3 encode buffersize/latency */
#define RME9652_Master (1 <<4 ) /* Clock Mode Master=1,Slave/Auto=0 */
#define RME9652_IE (1 <<5 ) /* Interrupt Enable */
#define RME9652_freq (1 <<6 ) /* samplerate 0=44.1/88.2, 1=48/96 kHz */
#define RME9652_freq1 (1 <<7 ) /* if 0, 32kHz, else always 1 */
#define RME9652_DS (1 <<8 ) /* Doule Speed 0=44.1/48, 1=88.2/96 Khz */
#define RME9652_PRO (1 <<9 ) /* S/PDIF out: 0=consumer, 1=professional */
#define RME9652_EMP (1 <<10 ) /* Emphasis 0=None, 1=ON */
#define RME9652_Dolby (1 <<11 ) /* Non-audio bit 1=set, 0=unset */
#define RME9652_opt_out (1 <<12 ) /* Use 1st optical OUT as SPDIF: 1=yes,0=no */
#define RME9652_wsel (1 <<13 ) /* use Wordclock as sync (overwrites master) */
#define RME9652_inp_0 (1 <<14 ) /* SPDIF-IN: 00=optical (ADAT1), */
#define RME9652_inp_1 (1 <<15 ) /* 01=koaxial (Cinch), 10=Internal CDROM */
#define RME9652_SyncPref_ADAT2 (1 <<16 )
#define RME9652_SyncPref_ADAT3 (1 <<17 )
#define RME9652_SPDIF_RESET (1 <<18 ) /* Rev 1.5+: h/w S/PDIF receiver */
#define RME9652_SPDIF_SELECT (1 <<19 )
#define RME9652_SPDIF_CLOCK (1 <<20 )
#define RME9652_SPDIF_WRITE (1 <<21 )
#define RME9652_ADAT1_INTERNAL (1 <<22 ) /* Rev 1.5+: if set, internal CD connector carries ADAT */
/* buffersize = 512Bytes * 2^n, where n is made from Bit2 ... Bit0 */
#define RME9652_latency 0 x0e
#define rme9652_encode_latency(x) (((x)&0 x7)<<1 )
#define rme9652_decode_latency(x) (((x)>>1 )&0 x7)
#define rme9652_running_double_speed(s) ((s)->control_register & RME9652_DS)
#define RME9652_inp (RME9652_inp_0|RME9652_inp_1)
#define rme9652_encode_spdif_in(x) (((x)&0 x3)<<14 )
#define rme9652_decode_spdif_in(x) (((x)>>14 )&0 x3)
#define RME9652_SyncPref_Mask (RME9652_SyncPref_ADAT2|RME9652_SyncPref_ADAT3)
#define RME9652_SyncPref_ADAT1 0
#define RME9652_SyncPref_SPDIF (RME9652_SyncPref_ADAT2|RME9652_SyncPref_ADAT3)
/* the size of a substream (1 mono data stream) */
#define RME9652_CHANNEL_BUFFER_SAMPLES (16 *1024 )
#define RME9652_CHANNEL_BUFFER_BYTES (4 *RME9652_CHANNEL_BUFFER_SAMPLES)
/* the size of the area we need to allocate for DMA transfers. the
size is the same regardless of the number of channels - the
9636 still uses the same memory area .
Note that we allocate 1 more channel than is apparently needed
because the h / w seems to write 1 byte beyond the end of the last
page . Sigh .
*/
#define RME9652_DMA_AREA_BYTES ((RME9652_NCHANNELS+1 ) * RME9652_CHANNEL_BUFFER_BYTES)
#define RME9652_DMA_AREA_KILOBYTES (RME9652_DMA_AREA_BYTES/1024 )
struct snd_rme9652 {
int dev;
spinlock_t lock;
int irq;
unsigned long port;
void __iomem *iobase;
int precise_ptr;
u32 control_register; /* cached value */
u32 thru_bits; /* thru 1=on, 0=off channel 1=Bit1... channel 26= Bit26 */
u32 creg_spdif;
u32 creg_spdif_stream;
char *card_name; /* hammerfall or hammerfall light names */
size_t hw_offsetmask; /* &-with status register to get real hw_offset */
size_t prev_hw_offset; /* previous hw offset */
size_t max_jitter; /* maximum jitter in frames for
hw pointer */
size_t period_bytes; /* guess what this is */
unsigned char ds_channels;
unsigned char ss_channels; /* different for hammerfall/hammerfall-light */
/* DMA buffers; those are copied instances from the original snd_dma_buf
* objects ( which are managed via devres ) for the address alignments
*/
struct snd_dma_buffer playback_dma_buf;
struct snd_dma_buffer capture_dma_buf;
unsigned char *capture_buffer; /* suitably aligned address */
unsigned char *playback_buffer; /* suitably aligned address */
pid_t capture_pid;
pid_t playback_pid;
struct snd_pcm_substream *capture_substream;
struct snd_pcm_substream *playback_substream;
int running;
int passthru; /* non-zero if doing pass-thru */
int hw_rev; /* h/w rev * 10 (i.e. 1.5 has hw_rev = 15) */
int last_spdif_sample_rate; /* so that we can catch externally ... */
int last_adat_sample_rate; /* ... induced rate changes */
const signed char *channel_map;
struct snd_card *card;
struct snd_pcm *pcm;
struct pci_dev *pci;
struct snd_kcontrol *spdif_ctl;
};
/* These tables map the ALSA channels 1..N to the channels that we
need to use in order to find the relevant channel buffer . RME
refer to this kind of mapping as between " the ADAT channel and
the DMA channel . " We index it using the logical audio channel ,
and the value is the DMA channel ( i . e . channel buffer number )
where the data for that channel can be read / written from / to .
*/
static const signed char channel_map_9652_ss[26 ] = {
0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 ,
18 , 19 , 20 , 21 , 22 , 23 , 24 , 25
};
static const signed char channel_map_9636_ss[26 ] = {
0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 ,
/* channels 16 and 17 are S/PDIF */
24 , 25 ,
/* channels 18-25 don't exist */
-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1
};
static const signed char channel_map_9652_ds[26 ] = {
/* ADAT channels are remapped */
1 , 3 , 5 , 7 , 9 , 11 , 13 , 15 , 17 , 19 , 21 , 23 ,
/* channels 12 and 13 are S/PDIF */
24 , 25 ,
/* others don't exist */
-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1
};
static const signed char channel_map_9636_ds[26 ] = {
/* ADAT channels are remapped */
1 , 3 , 5 , 7 , 9 , 11 , 13 , 15 ,
/* channels 8 and 9 are S/PDIF */
24 , 25 ,
/* others don't exist */
-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1
};
static struct snd_dma_buffer *
snd_hammerfall_get_buffer(struct pci_dev *pci, size_t size)
{
return snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV, size);
}
static const struct pci_device_id snd_rme9652_ids[] = {
{
.vendor = 0 x10ee,
.device = 0 x3fc4,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
}, /* RME Digi9652 */
{ 0 , },
};
MODULE_DEVICE_TABLE(pci, snd_rme9652_ids);
static inline void rme9652_write(struct snd_rme9652 *rme9652, int reg, int val)
{
writel(val, rme9652->iobase + reg);
}
static inline unsigned int rme9652_read(struct snd_rme9652 *rme9652, int reg)
{
return readl(rme9652->iobase + reg);
}
static inline int snd_rme9652_use_is_exclusive(struct snd_rme9652 *rme9652)
{
unsigned long flags;
int ret = 1 ;
spin_lock_irqsave(&rme9652->lock, flags);
if ((rme9652->playback_pid != rme9652->capture_pid) &&
(rme9652->playback_pid >= 0 ) && (rme9652->capture_pid >= 0 )) {
ret = 0 ;
}
spin_unlock_irqrestore(&rme9652->lock, flags);
return ret;
}
static inline int rme9652_adat_sample_rate(struct snd_rme9652 *rme9652)
{
if (rme9652_running_double_speed(rme9652)) {
return (rme9652_read(rme9652, RME9652_status_register) &
RME9652_fs48) ? 96000 : 88200 ;
} else {
return (rme9652_read(rme9652, RME9652_status_register) &
RME9652_fs48) ? 48000 : 44100 ;
}
}
static inline void rme9652_compute_period_size(struct snd_rme9652 *rme9652)
{
unsigned int i;
i = rme9652->control_register & RME9652_latency;
rme9652->period_bytes = 1 << ((rme9652_decode_latency(i) + 8 ));
rme9652->hw_offsetmask =
(rme9652->period_bytes * 2 - 1 ) & RME9652_buf_pos;
rme9652->max_jitter = 80 ;
}
static snd_pcm_uframes_t rme9652_hw_pointer(struct snd_rme9652 *rme9652)
{
int status;
unsigned int offset, frag;
snd_pcm_uframes_t period_size = rme9652->period_bytes / 4 ;
snd_pcm_sframes_t delta;
status = rme9652_read(rme9652, RME9652_status_register);
if (!rme9652->precise_ptr)
return (status & RME9652_buffer_id) ? period_size : 0 ;
offset = status & RME9652_buf_pos;
/* The hardware may give a backward movement for up to 80 frames
Martin Kirst < martin . kirst @ freenet . de > knows the details .
*/
delta = rme9652->prev_hw_offset - offset;
delta &= 0 xffff;
if (delta <= (snd_pcm_sframes_t)rme9652->max_jitter * 4 )
offset = rme9652->prev_hw_offset;
else
rme9652->prev_hw_offset = offset;
offset &= rme9652->hw_offsetmask;
offset /= 4 ;
frag = status & RME9652_buffer_id;
if (offset < period_size) {
if (offset > rme9652->max_jitter) {
if (frag)
dev_err(rme9652->card->dev,
"Unexpected hw_pointer position (bufid == 0): status: %x offset: %d\n" ,
status, offset);
} else if (!frag)
return 0 ;
offset -= rme9652->max_jitter;
if ((int )offset < 0 )
offset += period_size * 2 ;
} else {
if (offset > period_size + rme9652->max_jitter) {
if (!frag)
dev_err(rme9652->card->dev,
"Unexpected hw_pointer position (bufid == 1): status: %x offset: %d\n" ,
status, offset);
} else if (frag)
return period_size;
offset -= rme9652->max_jitter;
}
return offset;
}
static inline void rme9652_reset_hw_pointer(struct snd_rme9652 *rme9652)
{
int i;
/* reset the FIFO pointer to zero. We do this by writing to 8
registers , each of which is a 32 bit wide register , and set
them all to zero . Note that s - > iobase is a pointer to
int32 , not pointer to char .
*/
for (i = 0 ; i < 8 ; i++) {
rme9652_write(rme9652, i * 4 , 0 );
udelay(10 );
}
rme9652->prev_hw_offset = 0 ;
}
static inline void rme9652_start(struct snd_rme9652 *s)
{
s->control_register |= (RME9652_IE | RME9652_start_bit);
rme9652_write(s, RME9652_control_register, s->control_register);
}
static inline void rme9652_stop(struct snd_rme9652 *s)
{
s->control_register &= ~(RME9652_start_bit | RME9652_IE);
rme9652_write(s, RME9652_control_register, s->control_register);
}
static int rme9652_set_interrupt_interval(struct snd_rme9652 *s,
unsigned int frames)
{
int restart = 0 ;
int n;
spin_lock_irq(&s->lock);
restart = s->running;
if (restart)
rme9652_stop(s);
frames >>= 7 ;
n = 0 ;
while (frames) {
n++;
frames >>= 1 ;
}
s->control_register &= ~RME9652_latency;
s->control_register |= rme9652_encode_latency(n);
rme9652_write(s, RME9652_control_register, s->control_register);
rme9652_compute_period_size(s);
if (restart)
rme9652_start(s);
spin_unlock_irq(&s->lock);
return 0 ;
}
static int rme9652_set_rate(struct snd_rme9652 *rme9652, int rate)
{
int restart;
int reject_if_open = 0 ;
int xrate;
if (!snd_rme9652_use_is_exclusive (rme9652)) {
return -EBUSY;
}
/* Changing from a "single speed" to a "double speed" rate is
not allowed if any substreams are open . This is because
such a change causes a shift in the location of
the DMA buffers and a reduction in the number of available
buffers .
Note that a similar but essentially insoluble problem
exists for externally - driven rate changes . All we can do
is to flag rate changes in the read / write routines .
*/
spin_lock_irq(&rme9652->lock);
xrate = rme9652_adat_sample_rate(rme9652);
switch (rate) {
case 44100 :
if (xrate > 48000 ) {
reject_if_open = 1 ;
}
rate = 0 ;
break ;
case 48000 :
if (xrate > 48000 ) {
reject_if_open = 1 ;
}
rate = RME9652_freq;
break ;
case 88200 :
if (xrate < 48000 ) {
reject_if_open = 1 ;
}
rate = RME9652_DS;
break ;
case 96000 :
if (xrate < 48000 ) {
reject_if_open = 1 ;
}
rate = RME9652_DS | RME9652_freq;
break ;
default :
spin_unlock_irq(&rme9652->lock);
return -EINVAL;
}
if (reject_if_open && (rme9652->capture_pid >= 0 || rme9652->playback_pid >= 0 )) {
spin_unlock_irq(&rme9652->lock);
return -EBUSY;
}
restart = rme9652->running;
if (restart)
rme9652_stop(rme9652);
rme9652->control_register &= ~(RME9652_freq | RME9652_DS);
rme9652->control_register |= rate;
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
if (restart)
rme9652_start(rme9652);
if (rate & RME9652_DS) {
if (rme9652->ss_channels == RME9652_NCHANNELS) {
rme9652->channel_map = channel_map_9652_ds;
} else {
rme9652->channel_map = channel_map_9636_ds;
}
} else {
if (rme9652->ss_channels == RME9652_NCHANNELS) {
rme9652->channel_map = channel_map_9652_ss;
} else {
rme9652->channel_map = channel_map_9636_ss;
}
}
spin_unlock_irq(&rme9652->lock);
return 0 ;
}
static void rme9652_set_thru(struct snd_rme9652 *rme9652, int channel, int enable)
{
int i;
rme9652->passthru = 0 ;
if (channel < 0 ) {
/* set thru for all channels */
if (enable) {
for (i = 0 ; i < RME9652_NCHANNELS; i++) {
rme9652->thru_bits |= (1 << i);
rme9652_write(rme9652, RME9652_thru_base + i * 4 , 1 );
}
} else {
for (i = 0 ; i < RME9652_NCHANNELS; i++) {
rme9652->thru_bits &= ~(1 << i);
rme9652_write(rme9652, RME9652_thru_base + i * 4 , 0 );
}
}
} else {
int mapped_channel;
mapped_channel = rme9652->channel_map[channel];
if (enable) {
rme9652->thru_bits |= (1 << mapped_channel);
} else {
rme9652->thru_bits &= ~(1 << mapped_channel);
}
rme9652_write(rme9652,
RME9652_thru_base + mapped_channel * 4 ,
enable ? 1 : 0 );
}
}
static int rme9652_set_passthru(struct snd_rme9652 *rme9652, int onoff)
{
if (onoff) {
rme9652_set_thru(rme9652, -1 , 1 );
/* we don't want interrupts, so do a
custom version of rme9652_start ( ) .
*/
rme9652->control_register =
RME9652_inp_0 |
rme9652_encode_latency(7 ) |
RME9652_start_bit;
rme9652_reset_hw_pointer(rme9652);
rme9652_write(rme9652, RME9652_control_register,
rme9652->control_register);
rme9652->passthru = 1 ;
} else {
rme9652_set_thru(rme9652, -1 , 0 );
rme9652_stop(rme9652);
rme9652->passthru = 0 ;
}
return 0 ;
}
static void rme9652_spdif_set_bit (struct snd_rme9652 *rme9652, int mask, int onoff)
{
if (onoff)
rme9652->control_register |= mask;
else
rme9652->control_register &= ~mask;
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
}
static void rme9652_spdif_write_byte (struct snd_rme9652 *rme9652, const int val)
{
long mask;
long i;
for (i = 0 , mask = 0 x80; i < 8 ; i++, mask >>= 1 ) {
if (val & mask)
rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_WRITE, 1 );
else
rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_WRITE, 0 );
rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 1 );
rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 0 );
}
}
static int rme9652_spdif_read_byte (struct snd_rme9652 *rme9652)
{
long mask;
long val;
long i;
val = 0 ;
for (i = 0 , mask = 0 x80; i < 8 ; i++, mask >>= 1 ) {
rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 1 );
if (rme9652_read (rme9652, RME9652_status_register) & RME9652_SPDIF_READ)
val |= mask;
rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 0 );
}
return val;
}
static void rme9652_write_spdif_codec (struct snd_rme9652 *rme9652, const int address, const int data)
{
rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1 );
rme9652_spdif_write_byte (rme9652, 0 x20);
rme9652_spdif_write_byte (rme9652, address);
rme9652_spdif_write_byte (rme9652, data);
rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0 );
}
static int rme9652_spdif_read_codec (struct snd_rme9652 *rme9652, const int address)
{
int ret;
rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1 );
rme9652_spdif_write_byte (rme9652, 0 x20);
rme9652_spdif_write_byte (rme9652, address);
rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0 );
rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1 );
rme9652_spdif_write_byte (rme9652, 0 x21);
ret = rme9652_spdif_read_byte (rme9652);
rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0 );
return ret;
}
static void rme9652_initialize_spdif_receiver (struct snd_rme9652 *rme9652)
{
/* XXX what unsets this ? */
rme9652->control_register |= RME9652_SPDIF_RESET;
rme9652_write_spdif_codec (rme9652, 4 , 0 x40);
rme9652_write_spdif_codec (rme9652, 17 , 0 x13);
rme9652_write_spdif_codec (rme9652, 6 , 0 x02);
}
static inline int rme9652_spdif_sample_rate(struct snd_rme9652 *s)
{
unsigned int rate_bits;
if (rme9652_read(s, RME9652_status_register) & RME9652_ERF) {
return -1 ; /* error condition */
}
if (s->hw_rev == 15 ) {
int x, y, ret;
x = rme9652_spdif_read_codec (s, 30 );
if (x != 0 )
y = 48000 * 64 / x;
else
y = 0 ;
if (y > 30400 && y < 33600 ) ret = 32000 ;
else if (y > 41900 && y < 46000 ) ret = 44100 ;
else if (y > 46000 && y < 50400 ) ret = 48000 ;
else if (y > 60800 && y < 67200 ) ret = 64000 ;
else if (y > 83700 && y < 92000 ) ret = 88200 ;
else if (y > 92000 && y < 100000 ) ret = 96000 ;
else ret = 0 ;
return ret;
}
rate_bits = rme9652_read(s, RME9652_status_register) & RME9652_F;
switch (rme9652_decode_spdif_rate(rate_bits)) {
case 0 x7:
return 32000 ;
case 0 x6:
return 44100 ;
case 0 x5:
return 48000 ;
case 0 x4:
return 88200 ;
case 0 x3:
return 96000 ;
case 0 x0:
return 64000 ;
default :
dev_err(s->card->dev,
"%s: unknown S/PDIF input rate (bits = 0x%x)\n" ,
s->card_name, rate_bits);
return 0 ;
}
}
/*-----------------------------------------------------------------------------
Control Interface
----------------------------------------------------------------------------*/
static u32 snd_rme9652_convert_from_aes(struct snd_aes_iec958 *aes)
{
u32 val = 0 ;
val |= (aes->status[0 ] & IEC958_AES0_PROFESSIONAL) ? RME9652_PRO : 0 ;
val |= (aes->status[0 ] & IEC958_AES0_NONAUDIO) ? RME9652_Dolby : 0 ;
if (val & RME9652_PRO)
val |= (aes->status[0 ] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME9652_EMP : 0 ;
else
val |= (aes->status[0 ] & IEC958_AES0_CON_EMPHASIS_5015) ? RME9652_EMP : 0 ;
return val;
}
static void snd_rme9652_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
{
aes->status[0 ] = ((val & RME9652_PRO) ? IEC958_AES0_PROFESSIONAL : 0 ) |
((val & RME9652_Dolby) ? IEC958_AES0_NONAUDIO : 0 );
if (val & RME9652_PRO)
aes->status[0 ] |= (val & RME9652_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0 ;
else
aes->status[0 ] |= (val & RME9652_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0 ;
}
static int snd_rme9652_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1 ;
return 0 ;
}
static int snd_rme9652_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
snd_rme9652_convert_to_aes(&ucontrol->value.iec958, rme9652->creg_spdif);
return 0 ;
}
static int snd_rme9652_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
int change;
u32 val;
val = snd_rme9652_convert_from_aes(&ucontrol->value.iec958);
spin_lock_irq(&rme9652->lock);
change = val != rme9652->creg_spdif;
rme9652->creg_spdif = val;
spin_unlock_irq(&rme9652->lock);
return change;
}
static int snd_rme9652_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1 ;
return 0 ;
}
static int snd_rme9652_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
snd_rme9652_convert_to_aes(&ucontrol->value.iec958, rme9652->creg_spdif_stream);
return 0 ;
}
static int snd_rme9652_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
int change;
u32 val;
val = snd_rme9652_convert_from_aes(&ucontrol->value.iec958);
spin_lock_irq(&rme9652->lock);
change = val != rme9652->creg_spdif_stream;
rme9652->creg_spdif_stream = val;
rme9652->control_register &= ~(RME9652_PRO | RME9652_Dolby | RME9652_EMP);
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register |= val);
spin_unlock_irq(&rme9652->lock);
return change;
}
static int snd_rme9652_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1 ;
return 0 ;
}
static int snd_rme9652_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.iec958.status[0 ] = kcontrol->private_value;
return 0 ;
}
#define RME9652_ADAT1_IN(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.info = snd_rme9652_info_adat1_in, \
.get = snd_rme9652_get_adat1_in, \
.put = snd_rme9652_put_adat1_in }
static unsigned int rme9652_adat1_in(struct snd_rme9652 *rme9652)
{
if (rme9652->control_register & RME9652_ADAT1_INTERNAL)
return 1 ;
return 0 ;
}
static int rme9652_set_adat1_input(struct snd_rme9652 *rme9652, int internal)
{
int restart = 0 ;
if (internal) {
rme9652->control_register |= RME9652_ADAT1_INTERNAL;
} else {
rme9652->control_register &= ~RME9652_ADAT1_INTERNAL;
}
/* XXX do we actually need to stop the card when we do this ? */
restart = rme9652->running;
if (restart)
rme9652_stop(rme9652);
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
if (restart)
rme9652_start(rme9652);
return 0 ;
}
static int snd_rme9652_info_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
static const char * const texts[2 ] = {"ADAT1" , "Internal" };
return snd_ctl_enum_info(uinfo, 1 , 2 , texts);
}
static int snd_rme9652_get_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
spin_lock_irq(&rme9652->lock);
ucontrol->value.enumerated.item[0 ] = rme9652_adat1_in(rme9652);
spin_unlock_irq(&rme9652->lock);
return 0 ;
}
static int snd_rme9652_put_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
int change;
unsigned int val;
if (!snd_rme9652_use_is_exclusive(rme9652))
return -EBUSY;
val = ucontrol->value.enumerated.item[0 ] % 2 ;
spin_lock_irq(&rme9652->lock);
change = val != rme9652_adat1_in(rme9652);
if (change)
rme9652_set_adat1_input(rme9652, val);
spin_unlock_irq(&rme9652->lock);
return change;
}
#define RME9652_SPDIF_IN(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.info = snd_rme9652_info_spdif_in, \
.get = snd_rme9652_get_spdif_in, .put = snd_rme9652_put_spdif_in }
static unsigned int rme9652_spdif_in(struct snd_rme9652 *rme9652)
{
return rme9652_decode_spdif_in(rme9652->control_register &
RME9652_inp);
}
static int rme9652_set_spdif_input(struct snd_rme9652 *rme9652, int in)
{
int restart = 0 ;
rme9652->control_register &= ~RME9652_inp;
rme9652->control_register |= rme9652_encode_spdif_in(in);
restart = rme9652->running;
if (restart)
rme9652_stop(rme9652);
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
if (restart)
rme9652_start(rme9652);
return 0 ;
}
static int snd_rme9652_info_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
static const char * const texts[3 ] = {"ADAT1" , "Coaxial" , "Internal" };
return snd_ctl_enum_info(uinfo, 1 , 3 , texts);
}
static int snd_rme9652_get_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
spin_lock_irq(&rme9652->lock);
ucontrol->value.enumerated.item[0 ] = rme9652_spdif_in(rme9652);
spin_unlock_irq(&rme9652->lock);
return 0 ;
}
static int snd_rme9652_put_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
int change;
unsigned int val;
if (!snd_rme9652_use_is_exclusive(rme9652))
return -EBUSY;
val = ucontrol->value.enumerated.item[0 ] % 3 ;
spin_lock_irq(&rme9652->lock);
change = val != rme9652_spdif_in(rme9652);
if (change)
rme9652_set_spdif_input(rme9652, val);
spin_unlock_irq(&rme9652->lock);
return change;
}
#define RME9652_SPDIF_OUT(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.info = snd_rme9652_info_spdif_out, \
.get = snd_rme9652_get_spdif_out, .put = snd_rme9652_put_spdif_out }
static int rme9652_spdif_out(struct snd_rme9652 *rme9652)
{
return (rme9652->control_register & RME9652_opt_out) ? 1 : 0 ;
}
static int rme9652_set_spdif_output(struct snd_rme9652 *rme9652, int out)
{
int restart = 0 ;
if (out) {
rme9652->control_register |= RME9652_opt_out;
} else {
rme9652->control_register &= ~RME9652_opt_out;
}
restart = rme9652->running;
if (restart)
rme9652_stop(rme9652);
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
if (restart)
rme9652_start(rme9652);
return 0 ;
}
#define snd_rme9652_info_spdif_out snd_ctl_boolean_mono_info
static int snd_rme9652_get_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
spin_lock_irq(&rme9652->lock);
ucontrol->value.integer.value[0 ] = rme9652_spdif_out(rme9652);
spin_unlock_irq(&rme9652->lock);
return 0 ;
}
static int snd_rme9652_put_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
int change;
unsigned int val;
if (!snd_rme9652_use_is_exclusive(rme9652))
return -EBUSY;
val = ucontrol->value.integer.value[0 ] & 1 ;
spin_lock_irq(&rme9652->lock);
change = (int )val != rme9652_spdif_out(rme9652);
rme9652_set_spdif_output(rme9652, val);
spin_unlock_irq(&rme9652->lock);
return change;
}
#define RME9652_SYNC_MODE(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.info = snd_rme9652_info_sync_mode, \
.get = snd_rme9652_get_sync_mode, .put = snd_rme9652_put_sync_mode }
static int rme9652_sync_mode(struct snd_rme9652 *rme9652)
{
if (rme9652->control_register & RME9652_wsel) {
return 2 ;
} else if (rme9652->control_register & RME9652_Master) {
return 1 ;
} else {
return 0 ;
}
}
static int rme9652_set_sync_mode(struct snd_rme9652 *rme9652, int mode)
{
int restart = 0 ;
switch (mode) {
case 0 :
rme9652->control_register &=
~(RME9652_Master | RME9652_wsel);
break ;
case 1 :
rme9652->control_register =
(rme9652->control_register & ~RME9652_wsel) | RME9652_Master;
break ;
case 2 :
rme9652->control_register |=
(RME9652_Master | RME9652_wsel);
break ;
}
restart = rme9652->running;
if (restart)
rme9652_stop(rme9652);
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
if (restart)
rme9652_start(rme9652);
return 0 ;
}
static int snd_rme9652_info_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
static const char * const texts[3 ] = {
"AutoSync" , "Master" , "Word Clock"
};
return snd_ctl_enum_info(uinfo, 1 , 3 , texts);
}
static int snd_rme9652_get_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
spin_lock_irq(&rme9652->lock);
ucontrol->value.enumerated.item[0 ] = rme9652_sync_mode(rme9652);
spin_unlock_irq(&rme9652->lock);
return 0 ;
}
static int snd_rme9652_put_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
int change;
unsigned int val;
val = ucontrol->value.enumerated.item[0 ] % 3 ;
spin_lock_irq(&rme9652->lock);
change = (int )val != rme9652_sync_mode(rme9652);
rme9652_set_sync_mode(rme9652, val);
spin_unlock_irq(&rme9652->lock);
return change;
}
#define RME9652_SYNC_PREF(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.info = snd_rme9652_info_sync_pref, \
.get = snd_rme9652_get_sync_pref, .put = snd_rme9652_put_sync_pref }
static int rme9652_sync_pref(struct snd_rme9652 *rme9652)
{
switch (rme9652->control_register & RME9652_SyncPref_Mask) {
case RME9652_SyncPref_ADAT1:
return RME9652_SYNC_FROM_ADAT1;
case RME9652_SyncPref_ADAT2:
return RME9652_SYNC_FROM_ADAT2;
case RME9652_SyncPref_ADAT3:
return RME9652_SYNC_FROM_ADAT3;
case RME9652_SyncPref_SPDIF:
return RME9652_SYNC_FROM_SPDIF;
}
/* Not reachable */
return 0 ;
}
static int rme9652_set_sync_pref(struct snd_rme9652 *rme9652, int pref)
{
int restart;
rme9652->control_register &= ~RME9652_SyncPref_Mask;
switch (pref) {
case RME9652_SYNC_FROM_ADAT1:
rme9652->control_register |= RME9652_SyncPref_ADAT1;
break ;
case RME9652_SYNC_FROM_ADAT2:
rme9652->control_register |= RME9652_SyncPref_ADAT2;
break ;
case RME9652_SYNC_FROM_ADAT3:
rme9652->control_register |= RME9652_SyncPref_ADAT3;
break ;
case RME9652_SYNC_FROM_SPDIF:
rme9652->control_register |= RME9652_SyncPref_SPDIF;
break ;
}
restart = rme9652->running;
if (restart)
rme9652_stop(rme9652);
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
if (restart)
rme9652_start(rme9652);
return 0 ;
}
static int snd_rme9652_info_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
static const char * const texts[4 ] = {
"IEC958 In" , "ADAT1 In" , "ADAT2 In" , "ADAT3 In"
};
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
return snd_ctl_enum_info(uinfo, 1 ,
rme9652->ss_channels == RME9652_NCHANNELS ? 4 : 3 ,
texts);
}
static int snd_rme9652_get_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
spin_lock_irq(&rme9652->lock);
ucontrol->value.enumerated.item[0 ] = rme9652_sync_pref(rme9652);
spin_unlock_irq(&rme9652->lock);
return 0 ;
}
static int snd_rme9652_put_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
int change, max;
unsigned int val;
if (!snd_rme9652_use_is_exclusive(rme9652))
return -EBUSY;
max = rme9652->ss_channels == RME9652_NCHANNELS ? 4 : 3 ;
val = ucontrol->value.enumerated.item[0 ] % max;
spin_lock_irq(&rme9652->lock);
change = (int )val != rme9652_sync_pref(rme9652);
rme9652_set_sync_pref(rme9652, val);
spin_unlock_irq(&rme9652->lock);
return change;
}
static int snd_rme9652_info_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->count = rme9652->ss_channels;
uinfo->value.integer.min = 0 ;
uinfo->value.integer.max = 1 ;
return 0 ;
}
static int snd_rme9652_get_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
unsigned int k;
u32 thru_bits = rme9652->thru_bits;
for (k = 0 ; k < rme9652->ss_channels; ++k) {
ucontrol->value.integer.value[k] = !!(thru_bits & (1 << k));
}
return 0 ;
}
static int snd_rme9652_put_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
int change;
unsigned int chn;
u32 thru_bits = 0 ;
if (!snd_rme9652_use_is_exclusive(rme9652))
return -EBUSY;
for (chn = 0 ; chn < rme9652->ss_channels; ++chn) {
if (ucontrol->value.integer.value[chn])
thru_bits |= 1 << chn;
}
spin_lock_irq(&rme9652->lock);
change = thru_bits ^ rme9652->thru_bits;
if (change) {
for (chn = 0 ; chn < rme9652->ss_channels; ++chn) {
if (!(change & (1 << chn)))
continue ;
rme9652_set_thru(rme9652,chn,thru_bits&(1 <<chn));
}
}
spin_unlock_irq(&rme9652->lock);
return !!change;
}
#define RME9652_PASSTHRU(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.info = snd_rme9652_info_passthru, \
.put = snd_rme9652_put_passthru, \
.get = snd_rme9652_get_passthru }
#define snd_rme9652_info_passthru snd_ctl_boolean_mono_info
static int snd_rme9652_get_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
spin_lock_irq(&rme9652->lock);
ucontrol->value.integer.value[0 ] = rme9652->passthru;
spin_unlock_irq(&rme9652->lock);
return 0 ;
}
static int snd_rme9652_put_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
int change;
unsigned int val;
int err = 0 ;
if (!snd_rme9652_use_is_exclusive(rme9652))
return -EBUSY;
val = ucontrol->value.integer.value[0 ] & 1 ;
spin_lock_irq(&rme9652->lock);
change = (ucontrol->value.integer.value[0 ] != rme9652->passthru);
if (change)
err = rme9652_set_passthru(rme9652, val);
spin_unlock_irq(&rme9652->lock);
return err ? err : change;
}
/* Read-only switches */
#define RME9652_SPDIF_RATE(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
.info = snd_rme9652_info_spdif_rate, \
.get = snd_rme9652_get_spdif_rate }
static int snd_rme9652_info_spdif_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1 ;
uinfo->value.integer.min = 0 ;
uinfo->value.integer.max = 96000 ;
return 0 ;
}
static int snd_rme9652_get_spdif_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
spin_lock_irq(&rme9652->lock);
ucontrol->value.integer.value[0 ] = rme9652_spdif_sample_rate(rme9652);
spin_unlock_irq(&rme9652->lock);
return 0 ;
}
#define RME9652_ADAT_SYNC(xname, xindex, xidx) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
.info = snd_rme9652_info_adat_sync, \
.get = snd_rme9652_get_adat_sync, .private_value = xidx }
static int snd_rme9652_info_adat_sync(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
static const char * const texts[4 ] = {
"No Lock" , "Lock" , "No Lock Sync" , "Lock Sync"
};
return snd_ctl_enum_info(uinfo, 1 , 4 , texts);
}
static int snd_rme9652_get_adat_sync(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
unsigned int mask1, mask2, val;
switch (kcontrol->private_value) {
case 0 : mask1 = RME9652_lock_0; mask2 = RME9652_sync_0; break ;
case 1 : mask1 = RME9652_lock_1; mask2 = RME9652_sync_1; break ;
case 2 : mask1 = RME9652_lock_2; mask2 = RME9652_sync_2; break ;
default : return -EINVAL;
}
val = rme9652_read(rme9652, RME9652_status_register);
ucontrol->value.enumerated.item[0 ] = (val & mask1) ? 1 : 0 ;
ucontrol->value.enumerated.item[0 ] |= (val & mask2) ? 2 : 0 ;
return 0 ;
}
#define RME9652_TC_VALID(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
.info = snd_rme9652_info_tc_valid, \
.get = snd_rme9652_get_tc_valid }
#define snd_rme9652_info_tc_valid snd_ctl_boolean_mono_info
static int snd_rme9652_get_tc_valid(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
ucontrol->value.integer.value[0 ] =
(rme9652_read(rme9652, RME9652_status_register) & RME9652_tc_valid) ? 1 : 0 ;
return 0 ;
}
#ifdef ALSA_HAS_STANDARD_WAY_OF_RETURNING_TIMECODE
/* FIXME: this routine needs a port to the new control API --jk */
static int snd_rme9652_get_tc_value(void *private_data,
snd_kswitch_t *kswitch,
snd_switch_t *uswitch)
{
struct snd_rme9652 *s = (struct snd_rme9652 *) private_data;
u32 value;
int i;
uswitch->type = SNDRV_SW_TYPE_DWORD;
if ((rme9652_read(s, RME9652_status_register) &
RME9652_tc_valid) == 0 ) {
uswitch->value.data32[0 ] = 0 ;
return 0 ;
}
/* timecode request */
rme9652_write(s, RME9652_time_code, 0 );
/* XXX bug alert: loop-based timing !!!! */
for (i = 0 ; i < 50 ; i++) {
if (!(rme9652_read(s, i * 4 ) & RME9652_tc_busy))
break ;
}
if (!(rme9652_read(s, i * 4 ) & RME9652_tc_busy)) {
return -EIO;
}
value = 0 ;
for (i = 0 ; i < 32 ; i++) {
value >>= 1 ;
if (rme9652_read(s, i * 4 ) & RME9652_tc_out)
value |= 0 x80000000;
}
if (value > 2 * 60 * 48000 ) {
value -= 2 * 60 * 48000 ;
} else {
value = 0 ;
}
uswitch->value.data32[0 ] = value;
return 0 ;
}
#endif /* ALSA_HAS_STANDARD_WAY_OF_RETURNING_TIMECODE */
static const struct snd_kcontrol_new snd_rme9652_controls[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("" ,PLAYBACK,DEFAULT ),
.info = snd_rme9652_control_spdif_info,
.get = snd_rme9652_control_spdif_get,
.put = snd_rme9652_control_spdif_put,
},
{
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("" ,PLAYBACK,PCM_STREAM),
.info = snd_rme9652_control_spdif_stream_info,
.get = snd_rme9652_control_spdif_stream_get,
.put = snd_rme9652_control_spdif_stream_put,
},
{
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("" ,PLAYBACK,CON_MASK),
.info = snd_rme9652_control_spdif_mask_info,
.get = snd_rme9652_control_spdif_mask_get,
.private_value = IEC958_AES0_NONAUDIO |
IEC958_AES0_PROFESSIONAL |
IEC958_AES0_CON_EMPHASIS,
},
{
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("" ,PLAYBACK,PRO_MASK),
.info = snd_rme9652_control_spdif_mask_info,
.get = snd_rme9652_control_spdif_mask_get,
.private_value = IEC958_AES0_NONAUDIO |
IEC958_AES0_PROFESSIONAL |
IEC958_AES0_PRO_EMPHASIS,
},
RME9652_SPDIF_IN("IEC958 Input Connector" , 0 ),
RME9652_SPDIF_OUT("IEC958 Output also on ADAT1" , 0 ),
RME9652_SYNC_MODE("Sync Mode" , 0 ),
RME9652_SYNC_PREF("Preferred Sync Source" , 0 ),
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Channels Thru" ,
.index = 0 ,
.info = snd_rme9652_info_thru,
.get = snd_rme9652_get_thru,
.put = snd_rme9652_put_thru,
},
RME9652_SPDIF_RATE("IEC958 Sample Rate" , 0 ),
RME9652_ADAT_SYNC("ADAT1 Sync Check" , 0 , 0 ),
RME9652_ADAT_SYNC("ADAT2 Sync Check" , 0 , 1 ),
RME9652_TC_VALID("Timecode Valid" , 0 ),
RME9652_PASSTHRU("Passthru" , 0 )
};
static const struct snd_kcontrol_new snd_rme9652_adat3_check =
RME9652_ADAT_SYNC("ADAT3 Sync Check" , 0 , 2 );
static const struct snd_kcontrol_new snd_rme9652_adat1_input =
RME9652_ADAT1_IN("ADAT1 Input Source" , 0 );
static int snd_rme9652_create_controls(struct snd_card *card, struct snd_rme9652 *rme9652)
{
unsigned int idx;
int err;
struct snd_kcontrol *kctl;
for (idx = 0 ; idx < ARRAY_SIZE(snd_rme9652_controls); idx++) {
kctl = snd_ctl_new1(&snd_rme9652_controls[idx], rme9652);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
if (idx == 1 ) /* IEC958 (S/PDIF) Stream */
rme9652->spdif_ctl = kctl;
}
if (rme9652->ss_channels == RME9652_NCHANNELS) {
kctl = snd_ctl_new1(&snd_rme9652_adat3_check, rme9652);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
}
if (rme9652->hw_rev >= 15 ) {
kctl = snd_ctl_new1(&snd_rme9652_adat1_input, rme9652);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
}
return 0 ;
}
/*------------------------------------------------------------
/ proc interface
------------------------------------------------------------*/
static void
snd_rme9652_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) entry->private_data;
u32 thru_bits = rme9652->thru_bits;
int show_auto_sync_source = 0 ;
int i;
unsigned int status;
int x;
status = rme9652_read(rme9652, RME9652_status_register);
snd_iprintf(buffer, "%s (Card #%d)\n" , rme9652->card_name, rme9652->card->number + 1 );
snd_iprintf(buffer, "Buffers: capture %p playback %p\n" ,
rme9652->capture_buffer, rme9652->playback_buffer);
snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n" ,
rme9652->irq, rme9652->port, (unsigned long )rme9652->iobase);
snd_iprintf(buffer, "Control register: %x\n" , rme9652->control_register);
snd_iprintf(buffer, "\n" );
x = 1 << (6 + rme9652_decode_latency(rme9652->control_register &
RME9652_latency));
snd_iprintf(buffer, "Latency: %d samples (2 periods of %lu bytes)\n" ,
x, (unsigned long ) rme9652->period_bytes);
snd_iprintf(buffer, "Hardware pointer (frames): %ld\n" ,
rme9652_hw_pointer(rme9652));
snd_iprintf(buffer, "Passthru: %s\n" , str_yes_no(rme9652->passthru));
if ((rme9652->control_register & (RME9652_Master | RME9652_wsel)) == 0 ) {
snd_iprintf(buffer, "Clock mode: autosync\n" );
show_auto_sync_source = 1 ;
} else if (rme9652->control_register & RME9652_wsel) {
if (status & RME9652_wsel_rd) {
snd_iprintf(buffer, "Clock mode: word clock\n" );
} else {
snd_iprintf(buffer, "Clock mode: word clock (no signal)\n" );
}
} else {
snd_iprintf(buffer, "Clock mode: master\n" );
}
if (show_auto_sync_source) {
switch (rme9652->control_register & RME9652_SyncPref_Mask) {
case RME9652_SyncPref_ADAT1:
snd_iprintf(buffer, "Pref. sync source: ADAT1\n" );
break ;
case RME9652_SyncPref_ADAT2:
snd_iprintf(buffer, "Pref. sync source: ADAT2\n" );
break ;
case RME9652_SyncPref_ADAT3:
snd_iprintf(buffer, "Pref. sync source: ADAT3\n" );
break ;
case RME9652_SyncPref_SPDIF:
snd_iprintf(buffer, "Pref. sync source: IEC958\n" );
break ;
default :
snd_iprintf(buffer, "Pref. sync source: ???\n" );
}
}
if (rme9652->hw_rev >= 15 )
snd_iprintf(buffer, "\nADAT1 Input source: %s\n" ,
(rme9652->control_register & RME9652_ADAT1_INTERNAL) ?
"Internal" : "ADAT1 optical" );
snd_iprintf(buffer, "\n" );
switch (rme9652_decode_spdif_in(rme9652->control_register &
RME9652_inp)) {
case RME9652_SPDIFIN_OPTICAL:
snd_iprintf(buffer, "IEC958 input: ADAT1\n" );
break ;
case RME9652_SPDIFIN_COAXIAL:
snd_iprintf(buffer, "IEC958 input: Coaxial\n" );
break ;
case RME9652_SPDIFIN_INTERN:
snd_iprintf(buffer, "IEC958 input: Internal\n" );
break ;
default :
snd_iprintf(buffer, "IEC958 input: ???\n" );
break ;
}
if (rme9652->control_register & RME9652_opt_out) {
snd_iprintf(buffer, "IEC958 output: Coaxial & ADAT1\n" );
} else {
snd_iprintf(buffer, "IEC958 output: Coaxial only\n" );
}
if (rme9652->control_register & RME9652_PRO) {
snd_iprintf(buffer, "IEC958 quality: Professional\n" );
} else {
snd_iprintf(buffer, "IEC958 quality: Consumer\n" );
}
if (rme9652->control_register & RME9652_EMP) {
snd_iprintf(buffer, "IEC958 emphasis: on\n" );
} else {
snd_iprintf(buffer, "IEC958 emphasis: off\n" );
}
if (rme9652->control_register & RME9652_Dolby) {
snd_iprintf(buffer, "IEC958 Dolby: on\n" );
} else {
snd_iprintf(buffer, "IEC958 Dolby: off\n" );
}
i = rme9652_spdif_sample_rate(rme9652);
if (i < 0 ) {
snd_iprintf(buffer,
"IEC958 sample rate: error flag set\n" );
} else if (i == 0 ) {
snd_iprintf(buffer, "IEC958 sample rate: undetermined\n" );
} else {
snd_iprintf(buffer, "IEC958 sample rate: %d\n" , i);
}
snd_iprintf(buffer, "\n" );
snd_iprintf(buffer, "ADAT Sample rate: %dHz\n" ,
rme9652_adat_sample_rate(rme9652));
/* Sync Check */
x = status & RME9652_sync_0;
if (status & RME9652_lock_0) {
snd_iprintf(buffer, "ADAT1: %s\n" , x ? "Sync" : "Lock" );
} else {
snd_iprintf(buffer, "ADAT1: No Lock\n" );
}
x = status & RME9652_sync_1;
if (status & RME9652_lock_1) {
snd_iprintf(buffer, "ADAT2: %s\n" , x ? "Sync" : "Lock" );
} else {
snd_iprintf(buffer, "ADAT2: No Lock\n" );
}
x = status & RME9652_sync_2;
if (status & RME9652_lock_2) {
snd_iprintf(buffer, "ADAT3: %s\n" , x ? "Sync" : "Lock" );
} else {
snd_iprintf(buffer, "ADAT3: No Lock\n" );
}
snd_iprintf(buffer, "\n" );
snd_iprintf(buffer, "Timecode signal: %s\n" ,
str_yes_no(status & RME9652_tc_valid));
/* thru modes */
snd_iprintf(buffer, "Punch Status:\n\n" );
for (i = 0 ; i < rme9652->ss_channels; i++) {
if (thru_bits & (1 << i)) {
snd_iprintf(buffer, "%2d: on " , i + 1 );
} else {
snd_iprintf(buffer, "%2d: off " , i + 1 );
}
if (((i + 1 ) % 8 ) == 0 ) {
snd_iprintf(buffer, "\n" );
}
}
snd_iprintf(buffer, "\n" );
}
static void snd_rme9652_proc_init(struct snd_rme9652 *rme9652)
{
snd_card_ro_proc_new(rme9652->card, "rme9652" , rme9652,
snd_rme9652_proc_read);
}
static void snd_rme9652_card_free(struct snd_card *card)
{
struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) card->private_data;
if (rme9652->irq >= 0 )
rme9652_stop(rme9652);
}
static int snd_rme9652_initialize_memory(struct snd_rme9652 *rme9652)
{
struct snd_dma_buffer *capture_dma, *playback_dma;
capture_dma = snd_hammerfall_get_buffer(rme9652->pci, RME9652_DMA_AREA_BYTES);
playback_dma = snd_hammerfall_get_buffer(rme9652->pci, RME9652_DMA_AREA_BYTES);
if (!capture_dma || !playback_dma) {
dev_err(rme9652->card->dev,
"%s: no buffers available\n" , rme9652->card_name);
return -ENOMEM;
}
/* copy to the own data for alignment */
rme9652->capture_dma_buf = *capture_dma;
rme9652->playback_dma_buf = *playback_dma;
/* Align to bus-space 64K boundary */
rme9652->capture_dma_buf.addr = ALIGN(capture_dma->addr, 0 x10000ul);
rme9652->playback_dma_buf.addr = ALIGN(playback_dma->addr, 0 x10000ul);
/* Tell the card where it is */
rme9652_write(rme9652, RME9652_rec_buffer, rme9652->capture_dma_buf.addr);
rme9652_write(rme9652, RME9652_play_buffer, rme9652->playback_dma_buf.addr);
rme9652->capture_dma_buf.area += rme9652->capture_dma_buf.addr - capture_dma->addr;
rme9652->playback_dma_buf.area += rme9652->playback_dma_buf.addr - playback_dma->addr;
rme9652->capture_buffer = rme9652->capture_dma_buf.area;
rme9652->playback_buffer = rme9652->playback_dma_buf.area;
return 0 ;
}
static void snd_rme9652_set_defaults(struct snd_rme9652 *rme9652)
{
unsigned int k;
/* ASSUMPTION: rme9652->lock is either held, or
there is no need to hold it ( e . g . during module
initialization ) .
*/
/* set defaults:
SPDIF Input via Coax
autosync clock mode
maximum latency ( 7 = 8192 samples , 64 Kbyte buffer ,
which implies 2 4096 sample , 32 Kbyte periods ) .
if rev 1 . 5 , initialize the S / PDIF receiver .
*/
rme9652->control_register =
RME9652_inp_0 | rme9652_encode_latency(7 );
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
rme9652_reset_hw_pointer(rme9652);
rme9652_compute_period_size(rme9652);
/* default: thru off for all channels */
for (k = 0 ; k < RME9652_NCHANNELS; ++k)
rme9652_write(rme9652, RME9652_thru_base + k * 4 , 0 );
rme9652->thru_bits = 0 ;
rme9652->passthru = 0 ;
/* set a default rate so that the channel map is set up */
rme9652_set_rate(rme9652, 48000 );
}
static irqreturn_t snd_rme9652_interrupt(int irq, void *dev_id)
{
struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) dev_id;
if (!(rme9652_read(rme9652, RME9652_status_register) & RME9652_IRQ)) {
return IRQ_NONE;
}
rme9652_write(rme9652, RME9652_irq_clear, 0 );
if (rme9652->capture_substream) {
snd_pcm_period_elapsed(rme9652->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
}
if (rme9652->playback_substream) {
snd_pcm_period_elapsed(rme9652->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
}
return IRQ_HANDLED;
}
static snd_pcm_uframes_t snd_rme9652_hw_pointer(struct snd_pcm_substream *substream)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
return rme9652_hw_pointer(rme9652);
}
static signed char *rme9652_channel_buffer_location(struct snd_rme9652 *rme9652,
int stream,
int channel)
{
int mapped_channel;
if (snd_BUG_ON(channel < 0 || channel >= RME9652_NCHANNELS))
return NULL;
mapped_channel = rme9652->channel_map[channel];
if (mapped_channel < 0 )
return NULL;
if (stream == SNDRV_PCM_STREAM_CAPTURE) {
return rme9652->capture_buffer +
(mapped_channel * RME9652_CHANNEL_BUFFER_BYTES);
} else {
return rme9652->playback_buffer +
(mapped_channel * RME9652_CHANNEL_BUFFER_BYTES);
}
}
static int snd_rme9652_playback_copy(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
struct iov_iter *src, unsigned long count)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
signed char *channel_buf;
if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES))
return -EINVAL;
channel_buf = rme9652_channel_buffer_location (rme9652,
substream->pstr->stream,
channel);
if (snd_BUG_ON(!channel_buf))
return -EIO;
if (copy_from_iter(channel_buf + pos, count, src) != count)
return -EFAULT;
return 0 ;
}
static int snd_rme9652_capture_copy(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
struct iov_iter *dst, unsigned long count)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
signed char *channel_buf;
if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES))
return -EINVAL;
channel_buf = rme9652_channel_buffer_location (rme9652,
substream->pstr->stream,
channel);
if (snd_BUG_ON(!channel_buf))
return -EIO;
if (copy_to_iter(channel_buf + pos, count, dst) != count)
return -EFAULT;
return 0 ;
}
static int snd_rme9652_hw_silence(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
unsigned long count)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
signed char *channel_buf;
channel_buf = rme9652_channel_buffer_location (rme9652,
substream->pstr->stream,
channel);
if (snd_BUG_ON(!channel_buf))
return -EIO;
memset(channel_buf + pos, 0 , count);
return 0 ;
}
static int snd_rme9652_reset(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
struct snd_pcm_substream *other;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
other = rme9652->capture_substream;
else
other = rme9652->playback_substream;
if (rme9652->running)
runtime->status->hw_ptr = rme9652_hw_pointer(rme9652);
else
runtime->status->hw_ptr = 0 ;
if (other) {
struct snd_pcm_substream *s;
struct snd_pcm_runtime *oruntime = other->runtime;
snd_pcm_group_for_each_entry(s, substream) {
if (s == other) {
oruntime->status->hw_ptr = runtime->status->hw_ptr;
break ;
}
}
}
return 0 ;
}
static int snd_rme9652_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
int err;
pid_t this_pid;
pid_t other_pid;
spin_lock_irq(&rme9652->lock);
if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
rme9652->control_register &= ~(RME9652_PRO | RME9652_Dolby | RME9652_EMP);
rme9652_write(rme9652, RME9652_control_register, rme9652->control_register |= rme9652->creg_spdif_stream);
this_pid = rme9652->playback_pid;
other_pid = rme9652->capture_pid;
} else {
this_pid = rme9652->capture_pid;
other_pid = rme9652->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 ((int )params_rate(params) !=
rme9652_adat_sample_rate(rme9652)) {
spin_unlock_irq(&rme9652->lock);
_snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
return -EBUSY;
}
if (params_period_size(params) != rme9652->period_bytes / 4 ) {
spin_unlock_irq(&rme9652->lock);
_snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
return -EBUSY;
}
/* We're fine. */
spin_unlock_irq(&rme9652->lock);
return 0 ;
} else {
spin_unlock_irq(&rme9652->lock);
}
/* how to make sure that the rate matches an externally-set one ?
*/
err = rme9652_set_rate(rme9652, params_rate(params));
if (err < 0 ) {
_snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
return err;
}
err = rme9652_set_interrupt_interval(rme9652, params_period_size(params));
if (err < 0 ) {
_snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
return err;
}
return 0 ;
}
static int snd_rme9652_channel_info(struct snd_pcm_substream *substream,
struct snd_pcm_channel_info *info)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
int chn;
if (snd_BUG_ON(info->channel >= RME9652_NCHANNELS))
return -EINVAL;
chn = rme9652->channel_map[array_index_nospec(info->channel,
RME9652_NCHANNELS)];
if (chn < 0 )
return -EINVAL;
info->offset = chn * RME9652_CHANNEL_BUFFER_BYTES;
info->first = 0 ;
info->step = 32 ;
return 0 ;
}
static int snd_rme9652_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
{
switch (cmd) {
case SNDRV_PCM_IOCTL1_RESET:
{
return snd_rme9652_reset(substream);
}
case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
{
struct snd_pcm_channel_info *info = arg;
return snd_rme9652_channel_info(substream, info);
}
default :
break ;
}
return snd_pcm_lib_ioctl(substream, cmd, arg);
}
static void rme9652_silence_playback(struct snd_rme9652 *rme9652)
{
memset(rme9652->playback_buffer, 0 , RME9652_DMA_AREA_BYTES);
}
static int snd_rme9652_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
struct snd_pcm_substream *other;
int running;
spin_lock(&rme9652->lock);
running = rme9652->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(&rme9652->lock);
return -EINVAL;
}
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
other = rme9652->capture_substream;
else
other = rme9652->playback_substream;
if (other) {
struct snd_pcm_substream *s;
snd_pcm_group_for_each_entry(s, substream) {
if (s == other) {
snd_pcm_trigger_done(s, substream);
if (cmd == SNDRV_PCM_TRIGGER_START)
running |= 1 << s->stream;
else
running &= ~(1 << s->stream);
goto _ok;
}
}
if (cmd == SNDRV_PCM_TRIGGER_START) {
if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) &&
substream->stream == SNDRV_PCM_STREAM_CAPTURE)
rme9652_silence_playback(rme9652);
} else {
if (running &&
substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
rme9652_silence_playback(rme9652);
}
} else {
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
rme9652_silence_playback(rme9652);
}
_ok:
snd_pcm_trigger_done(substream, substream);
if (!rme9652->running && running)
rme9652_start(rme9652);
else if (rme9652->running && !running)
rme9652_stop(rme9652);
rme9652->running = running;
spin_unlock(&rme9652->lock);
return 0 ;
}
static int snd_rme9652_prepare(struct snd_pcm_substream *substream)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
unsigned long flags;
spin_lock_irqsave(&rme9652->lock, flags);
if (!rme9652->running)
rme9652_reset_hw_pointer(rme9652);
spin_unlock_irqrestore(&rme9652->lock, flags);
return 0 ;
}
static const struct snd_pcm_hardware snd_rme9652_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_44100 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_88200 |
SNDRV_PCM_RATE_96000),
.rate_min = 44100 ,
.rate_max = 96000 ,
.channels_min = 10 ,
.channels_max = 26 ,
.buffer_bytes_max = RME9652_CHANNEL_BUFFER_BYTES * 26 ,
.period_bytes_min = (64 * 4 ) * 10 ,
.period_bytes_max = (8192 * 4 ) * 26 ,
.periods_min = 2 ,
.periods_max = 2 ,
.fifo_size = 0 ,
};
static const struct snd_pcm_hardware snd_rme9652_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_44100 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_88200 |
SNDRV_PCM_RATE_96000),
.rate_min = 44100 ,
.rate_max = 96000 ,
.channels_min = 10 ,
.channels_max = 26 ,
.buffer_bytes_max = RME9652_CHANNEL_BUFFER_BYTES *26 ,
.period_bytes_min = (64 * 4 ) * 10 ,
.period_bytes_max = (8192 * 4 ) * 26 ,
.periods_min = 2 ,
.periods_max = 2 ,
.fifo_size = 0 ,
};
static const unsigned int period_sizes[] = { 64 , 128 , 256 , 512 , 1024 , 2048 , 4096 , 8192 };
static const struct snd_pcm_hw_constraint_list hw_constraints_period_sizes = {
.count = ARRAY_SIZE(period_sizes),
.list = period_sizes,
.mask = 0
};
static int snd_rme9652_hw_rule_channels(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
struct snd_rme9652 *rme9652 = rule->private ;
struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
unsigned int list[2 ] = { rme9652->ds_channels, rme9652->ss_channels };
return snd_interval_list(c, 2 , list, 0 );
}
static int snd_rme9652_hw_rule_channels_rate(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
struct snd_rme9652 *rme9652 = rule->private ;
struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
if (r->min > 48000 ) {
struct snd_interval t = {
.min = rme9652->ds_channels,
.max = rme9652->ds_channels,
.integer = 1 ,
};
return snd_interval_refine(c, &t);
} else if (r->max < 88200 ) {
struct snd_interval t = {
.min = rme9652->ss_channels,
.max = rme9652->ss_channels,
.integer = 1 ,
};
return snd_interval_refine(c, &t);
}
return 0 ;
}
static int snd_rme9652_hw_rule_rate_channels(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
struct snd_rme9652 *rme9652 = rule->private ;
struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
if (c->min >= rme9652->ss_channels) {
struct snd_interval t = {
.min = 44100 ,
.max = 48000 ,
.integer = 1 ,
};
return snd_interval_refine(r, &t);
} else if (c->max <= rme9652->ds_channels) {
struct snd_interval t = {
.min = 88200 ,
.max = 96000 ,
.integer = 1 ,
};
return snd_interval_refine(r, &t);
}
return 0 ;
}
static int snd_rme9652_playback_open(struct snd_pcm_substream *substream)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
spin_lock_irq(&rme9652->lock);
snd_pcm_set_sync(substream);
runtime->hw = snd_rme9652_playback_subinfo;
snd_pcm_set_runtime_buffer(substream, &rme9652->playback_dma_buf);
if (rme9652->capture_substream == NULL) {
rme9652_stop(rme9652);
rme9652_set_thru(rme9652, -1 , 0 );
}
rme9652->playback_pid = current->pid;
rme9652->playback_substream = substream;
spin_unlock_irq(&rme9652->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_rme9652_hw_rule_channels, rme9652,
SNDRV_PCM_HW_PARAM_CHANNELS, -1 );
snd_pcm_hw_rule_add(runtime, 0 , SNDRV_PCM_HW_PARAM_CHANNELS,
snd_rme9652_hw_rule_channels_rate, rme9652,
SNDRV_PCM_HW_PARAM_RATE, -1 );
snd_pcm_hw_rule_add(runtime, 0 , SNDRV_PCM_HW_PARAM_RATE,
snd_rme9652_hw_rule_rate_channels, rme9652,
SNDRV_PCM_HW_PARAM_CHANNELS, -1 );
rme9652->creg_spdif_stream = rme9652->creg_spdif;
rme9652->spdif_ctl->vd[0 ].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
snd_ctl_notify(rme9652->card, SNDRV_CTL_EVENT_MASK_VALUE |
SNDRV_CTL_EVENT_MASK_INFO, &rme9652->spdif_ctl->id);
return 0 ;
}
static int snd_rme9652_playback_release(struct snd_pcm_substream *substream)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
spin_lock_irq(&rme9652->lock);
rme9652->playback_pid = -1 ;
rme9652->playback_substream = NULL;
spin_unlock_irq(&rme9652->lock);
rme9652->spdif_ctl->vd[0 ].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
snd_ctl_notify(rme9652->card, SNDRV_CTL_EVENT_MASK_VALUE |
SNDRV_CTL_EVENT_MASK_INFO, &rme9652->spdif_ctl->id);
return 0 ;
}
static int snd_rme9652_capture_open(struct snd_pcm_substream *substream)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
spin_lock_irq(&rme9652->lock);
snd_pcm_set_sync(substream);
runtime->hw = snd_rme9652_capture_subinfo;
snd_pcm_set_runtime_buffer(substream, &rme9652->capture_dma_buf);
if (rme9652->playback_substream == NULL) {
rme9652_stop(rme9652);
rme9652_set_thru(rme9652, -1 , 0 );
}
rme9652->capture_pid = current->pid;
rme9652->capture_substream = substream;
spin_unlock_irq(&rme9652->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_rme9652_hw_rule_channels, rme9652,
SNDRV_PCM_HW_PARAM_CHANNELS, -1 );
snd_pcm_hw_rule_add(runtime, 0 , SNDRV_PCM_HW_PARAM_CHANNELS,
snd_rme9652_hw_rule_channels_rate, rme9652,
SNDRV_PCM_HW_PARAM_RATE, -1 );
snd_pcm_hw_rule_add(runtime, 0 , SNDRV_PCM_HW_PARAM_RATE,
snd_rme9652_hw_rule_rate_channels, rme9652,
SNDRV_PCM_HW_PARAM_CHANNELS, -1 );
return 0 ;
}
static int snd_rme9652_capture_release(struct snd_pcm_substream *substream)
{
struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
spin_lock_irq(&rme9652->lock);
rme9652->capture_pid = -1 ;
rme9652->capture_substream = NULL;
spin_unlock_irq(&rme9652->lock);
return 0 ;
}
static const struct snd_pcm_ops snd_rme9652_playback_ops = {
.open = snd_rme9652_playback_open,
.close = snd_rme9652_playback_release,
.ioctl = snd_rme9652_ioctl,
.hw_params = snd_rme9652_hw_params,
.prepare = snd_rme9652_prepare,
.trigger = snd_rme9652_trigger,
.pointer = snd_rme9652_hw_pointer,
.copy = snd_rme9652_playback_copy,
.fill_silence = snd_rme9652_hw_silence,
};
static const struct snd_pcm_ops snd_rme9652_capture_ops = {
.open = snd_rme9652_capture_open,
.close = snd_rme9652_capture_release,
.ioctl = snd_rme9652_ioctl,
.hw_params = snd_rme9652_hw_params,
.prepare = snd_rme9652_prepare,
.trigger = snd_rme9652_trigger,
.pointer = snd_rme9652_hw_pointer,
.copy = snd_rme9652_capture_copy,
};
static int snd_rme9652_create_pcm(struct snd_card *card,
struct snd_rme9652 *rme9652)
{
struct snd_pcm *pcm;
int err;
err = snd_pcm_new(card, rme9652->card_name, 0 , 1 , 1 , &pcm);
if (err < 0 )
return err;
rme9652->pcm = pcm;
pcm->private_data = rme9652;
strscpy(pcm->name, rme9652->card_name);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme9652_playback_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme9652_capture_ops);
pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
return 0 ;
}
static int snd_rme9652_create(struct snd_card *card,
struct snd_rme9652 *rme9652,
int precise_ptr)
{
struct pci_dev *pci = rme9652->pci;
int err;
int status;
unsigned short rev;
rme9652->irq = -1 ;
rme9652->card = card;
pci_read_config_word(rme9652->pci, PCI_CLASS_REVISION, &rev);
switch (rev & 0 xff) {
case 3 :
case 4 :
case 8 :
case 9 :
break ;
default :
/* who knows? */
return -ENODEV;
}
err = pcim_enable_device(pci);
if (err < 0 )
return err;
spin_lock_init(&rme9652->lock);
err = pcim_request_all_regions(pci, "rme9652" );
if (err < 0 )
return err;
rme9652->port = pci_resource_start(pci, 0 );
rme9652->iobase = devm_ioremap(&pci->dev, rme9652->port, RME9652_IO_EXTENT);
if (rme9652->iobase == NULL) {
dev_err(card->dev, "unable to remap region 0x%lx-0x%lx\n" ,
rme9652->port, rme9652->port + RME9652_IO_EXTENT - 1 );
return -EBUSY;
}
if (devm_request_irq(&pci->dev, pci->irq, snd_rme9652_interrupt,
IRQF_SHARED, KBUILD_MODNAME, rme9652)) {
dev_err(card->dev, "unable to request IRQ %d\n" , pci->irq);
return -EBUSY;
}
rme9652->irq = pci->irq;
card->sync_irq = rme9652->irq;
rme9652->precise_ptr = precise_ptr;
/* Determine the h/w rev level of the card. This seems like
a particularly kludgy way to encode it , but its what RME
chose to do , so we follow them . . .
*/
status = rme9652_read(rme9652, RME9652_status_register);
if (rme9652_decode_spdif_rate(status&RME9652_F) == 1 ) {
rme9652->hw_rev = 15 ;
} else {
rme9652->hw_rev = 11 ;
}
/* Differentiate between the standard Hammerfall, and the
" Light " , which does not have the expansion board . This
method comes from information received from Mathhias
Clausen at RME . Display the EEPROM and h / w revID where
relevant .
*/
switch (rev) {
case 8 : /* original eprom */
strscpy(card->driver, "RME9636" );
if (rme9652->hw_rev == 15 ) {
rme9652->card_name = "RME Digi9636 (Rev 1.5)" ;
} else {
rme9652->card_name = "RME Digi9636" ;
}
rme9652->ss_channels = RME9636_NCHANNELS;
break ;
case 9 : /* W36_G EPROM */
strscpy(card->driver, "RME9636" );
rme9652->card_name = "RME Digi9636 (Rev G)" ;
rme9652->ss_channels = RME9636_NCHANNELS;
break ;
case 4 : /* W52_G EPROM */
strscpy(card->driver, "RME9652" );
rme9652->card_name = "RME Digi9652 (Rev G)" ;
rme9652->ss_channels = RME9652_NCHANNELS;
break ;
case 3 : /* original eprom */
strscpy(card->driver, "RME9652" );
if (rme9652->hw_rev == 15 ) {
rme9652->card_name = "RME Digi9652 (Rev 1.5)" ;
} else {
rme9652->card_name = "RME Digi9652" ;
}
rme9652->ss_channels = RME9652_NCHANNELS;
break ;
}
rme9652->ds_channels = (rme9652->ss_channels - 2 ) / 2 + 2 ;
pci_set_master(rme9652->pci);
err = snd_rme9652_initialize_memory(rme9652);
if (err < 0 )
return err;
err = snd_rme9652_create_pcm(card, rme9652);
if (err < 0 )
return err;
err = snd_rme9652_create_controls(card, rme9652);
if (err < 0 )
return err;
snd_rme9652_proc_init(rme9652);
rme9652->last_spdif_sample_rate = -1 ;
rme9652->last_adat_sample_rate = -1 ;
rme9652->playback_pid = -1 ;
rme9652->capture_pid = -1 ;
rme9652->capture_substream = NULL;
rme9652->playback_substream = NULL;
snd_rme9652_set_defaults(rme9652);
if (rme9652->hw_rev == 15 ) {
rme9652_initialize_spdif_receiver (rme9652);
}
return 0 ;
}
static int snd_rme9652_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
static int dev;
struct snd_rme9652 *rme9652;
struct snd_card *card;
int err;
if (dev >= SNDRV_CARDS)
return -ENODEV;
if (!enable[dev]) {
dev++;
return -ENOENT;
}
err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
sizeof (struct snd_rme9652), &card);
if (err < 0 )
return err;
rme9652 = (struct snd_rme9652 *) card->private_data;
card->private_free = snd_rme9652_card_free;
rme9652->dev = dev;
rme9652->pci = pci;
err = snd_rme9652_create(card, rme9652, precise_ptr[dev]);
if (err)
goto error;
strscpy(card->shortname, rme9652->card_name);
sprintf(card->longname, "%s at 0x%lx, irq %d" ,
card->shortname, rme9652->port, rme9652->irq);
err = snd_card_register(card);
if (err)
goto error;
pci_set_drvdata(pci, card);
dev++;
return 0 ;
error:
snd_card_free(card);
return err;
}
static struct pci_driver rme9652_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_rme9652_ids,
.probe = snd_rme9652_probe,
};
module_pci_driver(rme9652_driver);
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(vorverarbeitet am 2026-10-01)
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