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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /sound/pci/rme32.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/pci/rme32.c')
-rw-r--r--sound/pci/rme32.c1914
1 files changed, 1914 insertions, 0 deletions
diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c
new file mode 100644
index 0000000000..02144bbee6
--- /dev/null
+++ b/sound/pci/rme32.c
@@ -0,0 +1,1914 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * ALSA driver for RME Digi32, Digi32/8 and Digi32 PRO audio interfaces
+ *
+ * Copyright (c) 2002-2004 Martin Langer <martin-langer@gmx.de>,
+ * Pilo Chambert <pilo.c@wanadoo.fr>
+ *
+ * Thanks to : Anders Torger <torger@ludd.luth.se>,
+ * Henk Hesselink <henk@anda.nl>
+ * for writing the digi96-driver
+ * and RME for all informations.
+ *
+ * ****************************************************************************
+ *
+ * Note #1 "Sek'd models" ................................... martin 2002-12-07
+ *
+ * Identical soundcards by Sek'd were labeled:
+ * RME Digi 32 = Sek'd Prodif 32
+ * RME Digi 32 Pro = Sek'd Prodif 96
+ * RME Digi 32/8 = Sek'd Prodif Gold
+ *
+ * ****************************************************************************
+ *
+ * Note #2 "full duplex mode" ............................... martin 2002-12-07
+ *
+ * Full duplex doesn't work. All cards (32, 32/8, 32Pro) are working identical
+ * in this mode. Rec data and play data are using the same buffer therefore. At
+ * first you have got the playing bits in the buffer and then (after playing
+ * them) they were overwitten by the captured sound of the CS8412/14. Both
+ * modes (play/record) are running harmonically hand in hand in the same buffer
+ * and you have only one start bit plus one interrupt bit to control this
+ * paired action.
+ * This is opposite to the latter rme96 where playing and capturing is totally
+ * separated and so their full duplex mode is supported by alsa (using two
+ * start bits and two interrupts for two different buffers).
+ * But due to the wrong sequence of playing and capturing ALSA shows no solved
+ * full duplex support for the rme32 at the moment. That's bad, but I'm not
+ * able to solve it. Are you motivated enough to solve this problem now? Your
+ * patch would be welcome!
+ *
+ * ****************************************************************************
+ *
+ * "The story after the long seeking" -- tiwai
+ *
+ * Ok, the situation regarding the full duplex is now improved a bit.
+ * In the fullduplex mode (given by the module parameter), the hardware buffer
+ * is split to halves for read and write directions at the DMA pointer.
+ * That is, the half above the current DMA pointer is used for write, and
+ * the half below is used for read. To mangle this strange behavior, an
+ * software intermediate buffer is introduced. This is, of course, not good
+ * from the viewpoint of the data transfer efficiency. However, this allows
+ * you to use arbitrary buffer sizes, instead of the fixed I/O buffer size.
+ *
+ * ****************************************************************************
+ */
+
+
+#include <linux/delay.h>
+#include <linux/gfp.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+#include <linux/io.h>
+
+#include <sound/core.h>
+#include <sound/info.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/pcm-indirect.h>
+#include <sound/asoundef.h>
+#include <sound/initval.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 fullduplex[SNDRV_CARDS]; // = {[0 ... (SNDRV_CARDS - 1)] = 1};
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for RME Digi32 soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for RME Digi32 soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable RME Digi32 soundcard.");
+module_param_array(fullduplex, bool, NULL, 0444);
+MODULE_PARM_DESC(fullduplex, "Support full-duplex mode.");
+MODULE_AUTHOR("Martin Langer <martin-langer@gmx.de>, Pilo Chambert <pilo.c@wanadoo.fr>");
+MODULE_DESCRIPTION("RME Digi32, Digi32/8, Digi32 PRO");
+MODULE_LICENSE("GPL");
+
+/* Defines for RME Digi32 series */
+#define RME32_SPDIF_NCHANNELS 2
+
+/* Playback and capture buffer size */
+#define RME32_BUFFER_SIZE 0x20000
+
+/* IO area size */
+#define RME32_IO_SIZE 0x30000
+
+/* IO area offsets */
+#define RME32_IO_DATA_BUFFER 0x0
+#define RME32_IO_CONTROL_REGISTER 0x20000
+#define RME32_IO_GET_POS 0x20000
+#define RME32_IO_CONFIRM_ACTION_IRQ 0x20004
+#define RME32_IO_RESET_POS 0x20100
+
+/* Write control register bits */
+#define RME32_WCR_START (1 << 0) /* startbit */
+#define RME32_WCR_MONO (1 << 1) /* 0=stereo, 1=mono
+ Setting the whole card to mono
+ doesn't seem to be very useful.
+ A software-solution can handle
+ full-duplex with one direction in
+ stereo and the other way in mono.
+ So, the hardware should work all
+ the time in stereo! */
+#define RME32_WCR_MODE24 (1 << 2) /* 0=16bit, 1=32bit */
+#define RME32_WCR_SEL (1 << 3) /* 0=input on output, 1=normal playback/capture */
+#define RME32_WCR_FREQ_0 (1 << 4) /* frequency (play) */
+#define RME32_WCR_FREQ_1 (1 << 5)
+#define RME32_WCR_INP_0 (1 << 6) /* input switch */
+#define RME32_WCR_INP_1 (1 << 7)
+#define RME32_WCR_RESET (1 << 8) /* Reset address */
+#define RME32_WCR_MUTE (1 << 9) /* digital mute for output */
+#define RME32_WCR_PRO (1 << 10) /* 1=professional, 0=consumer */
+#define RME32_WCR_DS_BM (1 << 11) /* 1=DoubleSpeed (only PRO-Version); 1=BlockMode (only Adat-Version) */
+#define RME32_WCR_ADAT (1 << 12) /* Adat Mode (only Adat-Version) */
+#define RME32_WCR_AUTOSYNC (1 << 13) /* AutoSync */
+#define RME32_WCR_PD (1 << 14) /* DAC Reset (only PRO-Version) */
+#define RME32_WCR_EMP (1 << 15) /* 1=Emphasis on (only PRO-Version) */
+
+#define RME32_WCR_BITPOS_FREQ_0 4
+#define RME32_WCR_BITPOS_FREQ_1 5
+#define RME32_WCR_BITPOS_INP_0 6
+#define RME32_WCR_BITPOS_INP_1 7
+
+/* Read control register bits */
+#define RME32_RCR_AUDIO_ADDR_MASK 0x1ffff
+#define RME32_RCR_LOCK (1 << 23) /* 1=locked, 0=not locked */
+#define RME32_RCR_ERF (1 << 26) /* 1=Error, 0=no Error */
+#define RME32_RCR_FREQ_0 (1 << 27) /* CS841x frequency (record) */
+#define RME32_RCR_FREQ_1 (1 << 28)
+#define RME32_RCR_FREQ_2 (1 << 29)
+#define RME32_RCR_KMODE (1 << 30) /* card mode: 1=PLL, 0=quartz */
+#define RME32_RCR_IRQ (1 << 31) /* interrupt */
+
+#define RME32_RCR_BITPOS_F0 27
+#define RME32_RCR_BITPOS_F1 28
+#define RME32_RCR_BITPOS_F2 29
+
+/* Input types */
+#define RME32_INPUT_OPTICAL 0
+#define RME32_INPUT_COAXIAL 1
+#define RME32_INPUT_INTERNAL 2
+#define RME32_INPUT_XLR 3
+
+/* Clock modes */
+#define RME32_CLOCKMODE_SLAVE 0
+#define RME32_CLOCKMODE_MASTER_32 1
+#define RME32_CLOCKMODE_MASTER_44 2
+#define RME32_CLOCKMODE_MASTER_48 3
+
+/* Block sizes in bytes */
+#define RME32_BLOCK_SIZE 8192
+
+/* Software intermediate buffer (max) size */
+#define RME32_MID_BUFFER_SIZE (1024*1024)
+
+/* Hardware revisions */
+#define RME32_32_REVISION 192
+#define RME32_328_REVISION_OLD 100
+#define RME32_328_REVISION_NEW 101
+#define RME32_PRO_REVISION_WITH_8412 192
+#define RME32_PRO_REVISION_WITH_8414 150
+
+
+struct rme32 {
+ spinlock_t lock;
+ int irq;
+ unsigned long port;
+ void __iomem *iobase;
+
+ u32 wcreg; /* cached write control register value */
+ u32 wcreg_spdif; /* S/PDIF setup */
+ u32 wcreg_spdif_stream; /* S/PDIF setup (temporary) */
+ u32 rcreg; /* cached read control register value */
+
+ u8 rev; /* card revision number */
+
+ struct snd_pcm_substream *playback_substream;
+ struct snd_pcm_substream *capture_substream;
+
+ int playback_frlog; /* log2 of framesize */
+ int capture_frlog;
+
+ size_t playback_periodsize; /* in bytes, zero if not used */
+ size_t capture_periodsize; /* in bytes, zero if not used */
+
+ unsigned int fullduplex_mode;
+ int running;
+
+ struct snd_pcm_indirect playback_pcm;
+ struct snd_pcm_indirect capture_pcm;
+
+ struct snd_card *card;
+ struct snd_pcm *spdif_pcm;
+ struct snd_pcm *adat_pcm;
+ struct pci_dev *pci;
+ struct snd_kcontrol *spdif_ctl;
+};
+
+static const struct pci_device_id snd_rme32_ids[] = {
+ {PCI_VDEVICE(XILINX_RME, PCI_DEVICE_ID_RME_DIGI32), 0,},
+ {PCI_VDEVICE(XILINX_RME, PCI_DEVICE_ID_RME_DIGI32_8), 0,},
+ {PCI_VDEVICE(XILINX_RME, PCI_DEVICE_ID_RME_DIGI32_PRO), 0,},
+ {0,}
+};
+
+MODULE_DEVICE_TABLE(pci, snd_rme32_ids);
+
+#define RME32_ISWORKING(rme32) ((rme32)->wcreg & RME32_WCR_START)
+#define RME32_PRO_WITH_8414(rme32) ((rme32)->pci->device == PCI_DEVICE_ID_RME_DIGI32_PRO && (rme32)->rev == RME32_PRO_REVISION_WITH_8414)
+
+static int snd_rme32_playback_prepare(struct snd_pcm_substream *substream);
+
+static int snd_rme32_capture_prepare(struct snd_pcm_substream *substream);
+
+static int snd_rme32_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
+
+static void snd_rme32_proc_init(struct rme32 * rme32);
+
+static int snd_rme32_create_switches(struct snd_card *card, struct rme32 * rme32);
+
+static inline unsigned int snd_rme32_pcm_byteptr(struct rme32 * rme32)
+{
+ return (readl(rme32->iobase + RME32_IO_GET_POS)
+ & RME32_RCR_AUDIO_ADDR_MASK);
+}
+
+/* silence callback for halfduplex mode */
+static int snd_rme32_playback_silence(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ unsigned long count)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+
+ memset_io(rme32->iobase + RME32_IO_DATA_BUFFER + pos, 0, count);
+ return 0;
+}
+
+/* copy callback for halfduplex mode */
+static int snd_rme32_playback_copy(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ struct iov_iter *src, unsigned long count)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+
+ return copy_from_iter_toio(rme32->iobase + RME32_IO_DATA_BUFFER + pos,
+ src, count);
+}
+
+/* copy callback for halfduplex mode */
+static int snd_rme32_capture_copy(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ struct iov_iter *dst, unsigned long count)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+
+ return copy_to_iter_fromio(dst,
+ rme32->iobase + RME32_IO_DATA_BUFFER + pos,
+ count);
+}
+
+/*
+ * SPDIF I/O capabilities (half-duplex mode)
+ */
+static const struct snd_pcm_hardware snd_rme32_spdif_info = {
+ .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_SYNC_START |
+ SNDRV_PCM_INFO_SYNC_APPLPTR),
+ .formats = (SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S32_LE),
+ .rates = (SNDRV_PCM_RATE_32000 |
+ SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000),
+ .rate_min = 32000,
+ .rate_max = 48000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .buffer_bytes_max = RME32_BUFFER_SIZE,
+ .period_bytes_min = RME32_BLOCK_SIZE,
+ .period_bytes_max = RME32_BLOCK_SIZE,
+ .periods_min = RME32_BUFFER_SIZE / RME32_BLOCK_SIZE,
+ .periods_max = RME32_BUFFER_SIZE / RME32_BLOCK_SIZE,
+ .fifo_size = 0,
+};
+
+/*
+ * ADAT I/O capabilities (half-duplex mode)
+ */
+static const struct snd_pcm_hardware snd_rme32_adat_info =
+{
+ .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_SYNC_START |
+ SNDRV_PCM_INFO_SYNC_APPLPTR),
+ .formats= SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = (SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000),
+ .rate_min = 44100,
+ .rate_max = 48000,
+ .channels_min = 8,
+ .channels_max = 8,
+ .buffer_bytes_max = RME32_BUFFER_SIZE,
+ .period_bytes_min = RME32_BLOCK_SIZE,
+ .period_bytes_max = RME32_BLOCK_SIZE,
+ .periods_min = RME32_BUFFER_SIZE / RME32_BLOCK_SIZE,
+ .periods_max = RME32_BUFFER_SIZE / RME32_BLOCK_SIZE,
+ .fifo_size = 0,
+};
+
+/*
+ * SPDIF I/O capabilities (full-duplex mode)
+ */
+static const struct snd_pcm_hardware snd_rme32_spdif_fd_info = {
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_SYNC_START |
+ SNDRV_PCM_INFO_SYNC_APPLPTR),
+ .formats = (SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S32_LE),
+ .rates = (SNDRV_PCM_RATE_32000 |
+ SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000),
+ .rate_min = 32000,
+ .rate_max = 48000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .buffer_bytes_max = RME32_MID_BUFFER_SIZE,
+ .period_bytes_min = RME32_BLOCK_SIZE,
+ .period_bytes_max = RME32_BLOCK_SIZE,
+ .periods_min = 2,
+ .periods_max = RME32_MID_BUFFER_SIZE / RME32_BLOCK_SIZE,
+ .fifo_size = 0,
+};
+
+/*
+ * ADAT I/O capabilities (full-duplex mode)
+ */
+static const struct snd_pcm_hardware snd_rme32_adat_fd_info =
+{
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_SYNC_START |
+ SNDRV_PCM_INFO_SYNC_APPLPTR),
+ .formats= SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = (SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000),
+ .rate_min = 44100,
+ .rate_max = 48000,
+ .channels_min = 8,
+ .channels_max = 8,
+ .buffer_bytes_max = RME32_MID_BUFFER_SIZE,
+ .period_bytes_min = RME32_BLOCK_SIZE,
+ .period_bytes_max = RME32_BLOCK_SIZE,
+ .periods_min = 2,
+ .periods_max = RME32_MID_BUFFER_SIZE / RME32_BLOCK_SIZE,
+ .fifo_size = 0,
+};
+
+static void snd_rme32_reset_dac(struct rme32 *rme32)
+{
+ writel(rme32->wcreg | RME32_WCR_PD,
+ rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+}
+
+static int snd_rme32_playback_getrate(struct rme32 * rme32)
+{
+ int rate;
+
+ rate = ((rme32->wcreg >> RME32_WCR_BITPOS_FREQ_0) & 1) +
+ (((rme32->wcreg >> RME32_WCR_BITPOS_FREQ_1) & 1) << 1);
+ switch (rate) {
+ case 1:
+ rate = 32000;
+ break;
+ case 2:
+ rate = 44100;
+ break;
+ case 3:
+ rate = 48000;
+ break;
+ default:
+ return -1;
+ }
+ return (rme32->wcreg & RME32_WCR_DS_BM) ? rate << 1 : rate;
+}
+
+static int snd_rme32_capture_getrate(struct rme32 * rme32, int *is_adat)
+{
+ int n;
+
+ *is_adat = 0;
+ if (rme32->rcreg & RME32_RCR_LOCK) {
+ /* ADAT rate */
+ *is_adat = 1;
+ }
+ if (rme32->rcreg & RME32_RCR_ERF) {
+ return -1;
+ }
+
+ /* S/PDIF rate */
+ n = ((rme32->rcreg >> RME32_RCR_BITPOS_F0) & 1) +
+ (((rme32->rcreg >> RME32_RCR_BITPOS_F1) & 1) << 1) +
+ (((rme32->rcreg >> RME32_RCR_BITPOS_F2) & 1) << 2);
+
+ if (RME32_PRO_WITH_8414(rme32))
+ switch (n) { /* supporting the CS8414 */
+ case 0:
+ case 1:
+ case 2:
+ return -1;
+ case 3:
+ return 96000;
+ case 4:
+ return 88200;
+ case 5:
+ return 48000;
+ case 6:
+ return 44100;
+ case 7:
+ return 32000;
+ default:
+ return -1;
+ }
+ else
+ switch (n) { /* supporting the CS8412 */
+ case 0:
+ return -1;
+ case 1:
+ return 48000;
+ case 2:
+ return 44100;
+ case 3:
+ return 32000;
+ case 4:
+ return 48000;
+ case 5:
+ return 44100;
+ case 6:
+ return 44056;
+ case 7:
+ return 32000;
+ default:
+ break;
+ }
+ return -1;
+}
+
+static int snd_rme32_playback_setrate(struct rme32 * rme32, int rate)
+{
+ int ds;
+
+ ds = rme32->wcreg & RME32_WCR_DS_BM;
+ switch (rate) {
+ case 32000:
+ rme32->wcreg &= ~RME32_WCR_DS_BM;
+ rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_0) &
+ ~RME32_WCR_FREQ_1;
+ break;
+ case 44100:
+ rme32->wcreg &= ~RME32_WCR_DS_BM;
+ rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_1) &
+ ~RME32_WCR_FREQ_0;
+ break;
+ case 48000:
+ rme32->wcreg &= ~RME32_WCR_DS_BM;
+ rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_0) |
+ RME32_WCR_FREQ_1;
+ break;
+ case 64000:
+ if (rme32->pci->device != PCI_DEVICE_ID_RME_DIGI32_PRO)
+ return -EINVAL;
+ rme32->wcreg |= RME32_WCR_DS_BM;
+ rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_0) &
+ ~RME32_WCR_FREQ_1;
+ break;
+ case 88200:
+ if (rme32->pci->device != PCI_DEVICE_ID_RME_DIGI32_PRO)
+ return -EINVAL;
+ rme32->wcreg |= RME32_WCR_DS_BM;
+ rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_1) &
+ ~RME32_WCR_FREQ_0;
+ break;
+ case 96000:
+ if (rme32->pci->device != PCI_DEVICE_ID_RME_DIGI32_PRO)
+ return -EINVAL;
+ rme32->wcreg |= RME32_WCR_DS_BM;
+ rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_0) |
+ RME32_WCR_FREQ_1;
+ break;
+ default:
+ return -EINVAL;
+ }
+ if ((!ds && rme32->wcreg & RME32_WCR_DS_BM) ||
+ (ds && !(rme32->wcreg & RME32_WCR_DS_BM)))
+ {
+ /* change to/from double-speed: reset the DAC (if available) */
+ snd_rme32_reset_dac(rme32);
+ } else {
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ }
+ return 0;
+}
+
+static int snd_rme32_setclockmode(struct rme32 * rme32, int mode)
+{
+ switch (mode) {
+ case RME32_CLOCKMODE_SLAVE:
+ /* AutoSync */
+ rme32->wcreg = (rme32->wcreg & ~RME32_WCR_FREQ_0) &
+ ~RME32_WCR_FREQ_1;
+ break;
+ case RME32_CLOCKMODE_MASTER_32:
+ /* Internal 32.0kHz */
+ rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_0) &
+ ~RME32_WCR_FREQ_1;
+ break;
+ case RME32_CLOCKMODE_MASTER_44:
+ /* Internal 44.1kHz */
+ rme32->wcreg = (rme32->wcreg & ~RME32_WCR_FREQ_0) |
+ RME32_WCR_FREQ_1;
+ break;
+ case RME32_CLOCKMODE_MASTER_48:
+ /* Internal 48.0kHz */
+ rme32->wcreg = (rme32->wcreg | RME32_WCR_FREQ_0) |
+ RME32_WCR_FREQ_1;
+ break;
+ default:
+ return -EINVAL;
+ }
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ return 0;
+}
+
+static int snd_rme32_getclockmode(struct rme32 * rme32)
+{
+ return ((rme32->wcreg >> RME32_WCR_BITPOS_FREQ_0) & 1) +
+ (((rme32->wcreg >> RME32_WCR_BITPOS_FREQ_1) & 1) << 1);
+}
+
+static int snd_rme32_setinputtype(struct rme32 * rme32, int type)
+{
+ switch (type) {
+ case RME32_INPUT_OPTICAL:
+ rme32->wcreg = (rme32->wcreg & ~RME32_WCR_INP_0) &
+ ~RME32_WCR_INP_1;
+ break;
+ case RME32_INPUT_COAXIAL:
+ rme32->wcreg = (rme32->wcreg | RME32_WCR_INP_0) &
+ ~RME32_WCR_INP_1;
+ break;
+ case RME32_INPUT_INTERNAL:
+ rme32->wcreg = (rme32->wcreg & ~RME32_WCR_INP_0) |
+ RME32_WCR_INP_1;
+ break;
+ case RME32_INPUT_XLR:
+ rme32->wcreg = (rme32->wcreg | RME32_WCR_INP_0) |
+ RME32_WCR_INP_1;
+ break;
+ default:
+ return -EINVAL;
+ }
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ return 0;
+}
+
+static int snd_rme32_getinputtype(struct rme32 * rme32)
+{
+ return ((rme32->wcreg >> RME32_WCR_BITPOS_INP_0) & 1) +
+ (((rme32->wcreg >> RME32_WCR_BITPOS_INP_1) & 1) << 1);
+}
+
+static void
+snd_rme32_setframelog(struct rme32 * rme32, int n_channels, int is_playback)
+{
+ int frlog;
+
+ if (n_channels == 2) {
+ frlog = 1;
+ } else {
+ /* assume 8 channels */
+ frlog = 3;
+ }
+ if (is_playback) {
+ frlog += (rme32->wcreg & RME32_WCR_MODE24) ? 2 : 1;
+ rme32->playback_frlog = frlog;
+ } else {
+ frlog += (rme32->wcreg & RME32_WCR_MODE24) ? 2 : 1;
+ rme32->capture_frlog = frlog;
+ }
+}
+
+static int snd_rme32_setformat(struct rme32 *rme32, snd_pcm_format_t format)
+{
+ switch (format) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ rme32->wcreg &= ~RME32_WCR_MODE24;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ rme32->wcreg |= RME32_WCR_MODE24;
+ break;
+ default:
+ return -EINVAL;
+ }
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ return 0;
+}
+
+static int
+snd_rme32_playback_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ int err, rate, dummy;
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ if (!rme32->fullduplex_mode) {
+ runtime->dma_area = (void __force *)(rme32->iobase +
+ RME32_IO_DATA_BUFFER);
+ runtime->dma_addr = rme32->port + RME32_IO_DATA_BUFFER;
+ runtime->dma_bytes = RME32_BUFFER_SIZE;
+ }
+
+ spin_lock_irq(&rme32->lock);
+ rate = 0;
+ if (rme32->rcreg & RME32_RCR_KMODE)
+ rate = snd_rme32_capture_getrate(rme32, &dummy);
+ if (rate > 0) {
+ /* AutoSync */
+ if ((int)params_rate(params) != rate) {
+ spin_unlock_irq(&rme32->lock);
+ return -EIO;
+ }
+ } else {
+ err = snd_rme32_playback_setrate(rme32, params_rate(params));
+ if (err < 0) {
+ spin_unlock_irq(&rme32->lock);
+ return err;
+ }
+ }
+ err = snd_rme32_setformat(rme32, params_format(params));
+ if (err < 0) {
+ spin_unlock_irq(&rme32->lock);
+ return err;
+ }
+
+ snd_rme32_setframelog(rme32, params_channels(params), 1);
+ if (rme32->capture_periodsize != 0) {
+ if (params_period_size(params) << rme32->playback_frlog != rme32->capture_periodsize) {
+ spin_unlock_irq(&rme32->lock);
+ return -EBUSY;
+ }
+ }
+ rme32->playback_periodsize = params_period_size(params) << rme32->playback_frlog;
+ /* S/PDIF setup */
+ if ((rme32->wcreg & RME32_WCR_ADAT) == 0) {
+ rme32->wcreg &= ~(RME32_WCR_PRO | RME32_WCR_EMP);
+ rme32->wcreg |= rme32->wcreg_spdif_stream;
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ }
+ spin_unlock_irq(&rme32->lock);
+
+ return 0;
+}
+
+static int
+snd_rme32_capture_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ int err, isadat, rate;
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ if (!rme32->fullduplex_mode) {
+ runtime->dma_area = (void __force *)rme32->iobase +
+ RME32_IO_DATA_BUFFER;
+ runtime->dma_addr = rme32->port + RME32_IO_DATA_BUFFER;
+ runtime->dma_bytes = RME32_BUFFER_SIZE;
+ }
+
+ spin_lock_irq(&rme32->lock);
+ /* enable AutoSync for record-preparing */
+ rme32->wcreg |= RME32_WCR_AUTOSYNC;
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+
+ err = snd_rme32_setformat(rme32, params_format(params));
+ if (err < 0) {
+ spin_unlock_irq(&rme32->lock);
+ return err;
+ }
+ err = snd_rme32_playback_setrate(rme32, params_rate(params));
+ if (err < 0) {
+ spin_unlock_irq(&rme32->lock);
+ return err;
+ }
+ rate = snd_rme32_capture_getrate(rme32, &isadat);
+ if (rate > 0) {
+ if ((int)params_rate(params) != rate) {
+ spin_unlock_irq(&rme32->lock);
+ return -EIO;
+ }
+ if ((isadat && runtime->hw.channels_min == 2) ||
+ (!isadat && runtime->hw.channels_min == 8)) {
+ spin_unlock_irq(&rme32->lock);
+ return -EIO;
+ }
+ }
+ /* AutoSync off for recording */
+ rme32->wcreg &= ~RME32_WCR_AUTOSYNC;
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+
+ snd_rme32_setframelog(rme32, params_channels(params), 0);
+ if (rme32->playback_periodsize != 0) {
+ if (params_period_size(params) << rme32->capture_frlog !=
+ rme32->playback_periodsize) {
+ spin_unlock_irq(&rme32->lock);
+ return -EBUSY;
+ }
+ }
+ rme32->capture_periodsize =
+ params_period_size(params) << rme32->capture_frlog;
+ spin_unlock_irq(&rme32->lock);
+
+ return 0;
+}
+
+static void snd_rme32_pcm_start(struct rme32 * rme32, int from_pause)
+{
+ if (!from_pause) {
+ writel(0, rme32->iobase + RME32_IO_RESET_POS);
+ }
+
+ rme32->wcreg |= RME32_WCR_START;
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+}
+
+static void snd_rme32_pcm_stop(struct rme32 * rme32, int to_pause)
+{
+ /*
+ * Check if there is an unconfirmed IRQ, if so confirm it, or else
+ * the hardware will not stop generating interrupts
+ */
+ rme32->rcreg = readl(rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ if (rme32->rcreg & RME32_RCR_IRQ) {
+ writel(0, rme32->iobase + RME32_IO_CONFIRM_ACTION_IRQ);
+ }
+ rme32->wcreg &= ~RME32_WCR_START;
+ if (rme32->wcreg & RME32_WCR_SEL)
+ rme32->wcreg |= RME32_WCR_MUTE;
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ if (! to_pause)
+ writel(0, rme32->iobase + RME32_IO_RESET_POS);
+}
+
+static irqreturn_t snd_rme32_interrupt(int irq, void *dev_id)
+{
+ struct rme32 *rme32 = (struct rme32 *) dev_id;
+
+ rme32->rcreg = readl(rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ if (!(rme32->rcreg & RME32_RCR_IRQ)) {
+ return IRQ_NONE;
+ } else {
+ if (rme32->capture_substream) {
+ snd_pcm_period_elapsed(rme32->capture_substream);
+ }
+ if (rme32->playback_substream) {
+ snd_pcm_period_elapsed(rme32->playback_substream);
+ }
+ writel(0, rme32->iobase + RME32_IO_CONFIRM_ACTION_IRQ);
+ }
+ return IRQ_HANDLED;
+}
+
+static const unsigned int period_bytes[] = { RME32_BLOCK_SIZE };
+
+static const struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = {
+ .count = ARRAY_SIZE(period_bytes),
+ .list = period_bytes,
+ .mask = 0
+};
+
+static void snd_rme32_set_buffer_constraint(struct rme32 *rme32, struct snd_pcm_runtime *runtime)
+{
+ if (! rme32->fullduplex_mode) {
+ snd_pcm_hw_constraint_single(runtime,
+ SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
+ RME32_BUFFER_SIZE);
+ snd_pcm_hw_constraint_list(runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
+ &hw_constraints_period_bytes);
+ }
+}
+
+static int snd_rme32_playback_spdif_open(struct snd_pcm_substream *substream)
+{
+ int rate, dummy;
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ snd_pcm_set_sync(substream);
+
+ spin_lock_irq(&rme32->lock);
+ if (rme32->playback_substream != NULL) {
+ spin_unlock_irq(&rme32->lock);
+ return -EBUSY;
+ }
+ rme32->wcreg &= ~RME32_WCR_ADAT;
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ rme32->playback_substream = substream;
+ spin_unlock_irq(&rme32->lock);
+
+ if (rme32->fullduplex_mode)
+ runtime->hw = snd_rme32_spdif_fd_info;
+ else
+ runtime->hw = snd_rme32_spdif_info;
+ if (rme32->pci->device == PCI_DEVICE_ID_RME_DIGI32_PRO) {
+ runtime->hw.rates |= SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000;
+ runtime->hw.rate_max = 96000;
+ }
+ rate = 0;
+ if (rme32->rcreg & RME32_RCR_KMODE)
+ rate = snd_rme32_capture_getrate(rme32, &dummy);
+ if (rate > 0) {
+ /* AutoSync */
+ runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
+ runtime->hw.rate_min = rate;
+ runtime->hw.rate_max = rate;
+ }
+
+ snd_rme32_set_buffer_constraint(rme32, runtime);
+
+ rme32->wcreg_spdif_stream = rme32->wcreg_spdif;
+ rme32->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(rme32->card, SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO, &rme32->spdif_ctl->id);
+ return 0;
+}
+
+static int snd_rme32_capture_spdif_open(struct snd_pcm_substream *substream)
+{
+ int isadat, rate;
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ snd_pcm_set_sync(substream);
+
+ spin_lock_irq(&rme32->lock);
+ if (rme32->capture_substream != NULL) {
+ spin_unlock_irq(&rme32->lock);
+ return -EBUSY;
+ }
+ rme32->capture_substream = substream;
+ spin_unlock_irq(&rme32->lock);
+
+ if (rme32->fullduplex_mode)
+ runtime->hw = snd_rme32_spdif_fd_info;
+ else
+ runtime->hw = snd_rme32_spdif_info;
+ if (RME32_PRO_WITH_8414(rme32)) {
+ runtime->hw.rates |= SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000;
+ runtime->hw.rate_max = 96000;
+ }
+ rate = snd_rme32_capture_getrate(rme32, &isadat);
+ if (rate > 0) {
+ if (isadat) {
+ return -EIO;
+ }
+ runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
+ runtime->hw.rate_min = rate;
+ runtime->hw.rate_max = rate;
+ }
+
+ snd_rme32_set_buffer_constraint(rme32, runtime);
+
+ return 0;
+}
+
+static int
+snd_rme32_playback_adat_open(struct snd_pcm_substream *substream)
+{
+ int rate, dummy;
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ snd_pcm_set_sync(substream);
+
+ spin_lock_irq(&rme32->lock);
+ if (rme32->playback_substream != NULL) {
+ spin_unlock_irq(&rme32->lock);
+ return -EBUSY;
+ }
+ rme32->wcreg |= RME32_WCR_ADAT;
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ rme32->playback_substream = substream;
+ spin_unlock_irq(&rme32->lock);
+
+ if (rme32->fullduplex_mode)
+ runtime->hw = snd_rme32_adat_fd_info;
+ else
+ runtime->hw = snd_rme32_adat_info;
+ rate = 0;
+ if (rme32->rcreg & RME32_RCR_KMODE)
+ rate = snd_rme32_capture_getrate(rme32, &dummy);
+ if (rate > 0) {
+ /* AutoSync */
+ runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
+ runtime->hw.rate_min = rate;
+ runtime->hw.rate_max = rate;
+ }
+
+ snd_rme32_set_buffer_constraint(rme32, runtime);
+ return 0;
+}
+
+static int
+snd_rme32_capture_adat_open(struct snd_pcm_substream *substream)
+{
+ int isadat, rate;
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ if (rme32->fullduplex_mode)
+ runtime->hw = snd_rme32_adat_fd_info;
+ else
+ runtime->hw = snd_rme32_adat_info;
+ rate = snd_rme32_capture_getrate(rme32, &isadat);
+ if (rate > 0) {
+ if (!isadat) {
+ return -EIO;
+ }
+ runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
+ runtime->hw.rate_min = rate;
+ runtime->hw.rate_max = rate;
+ }
+
+ snd_pcm_set_sync(substream);
+
+ spin_lock_irq(&rme32->lock);
+ if (rme32->capture_substream != NULL) {
+ spin_unlock_irq(&rme32->lock);
+ return -EBUSY;
+ }
+ rme32->capture_substream = substream;
+ spin_unlock_irq(&rme32->lock);
+
+ snd_rme32_set_buffer_constraint(rme32, runtime);
+ return 0;
+}
+
+static int snd_rme32_playback_close(struct snd_pcm_substream *substream)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ int spdif = 0;
+
+ spin_lock_irq(&rme32->lock);
+ rme32->playback_substream = NULL;
+ rme32->playback_periodsize = 0;
+ spdif = (rme32->wcreg & RME32_WCR_ADAT) == 0;
+ spin_unlock_irq(&rme32->lock);
+ if (spdif) {
+ rme32->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(rme32->card, SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO,
+ &rme32->spdif_ctl->id);
+ }
+ return 0;
+}
+
+static int snd_rme32_capture_close(struct snd_pcm_substream *substream)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+
+ spin_lock_irq(&rme32->lock);
+ rme32->capture_substream = NULL;
+ rme32->capture_periodsize = 0;
+ spin_unlock_irq(&rme32->lock);
+ return 0;
+}
+
+static int snd_rme32_playback_prepare(struct snd_pcm_substream *substream)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+
+ spin_lock_irq(&rme32->lock);
+ if (rme32->fullduplex_mode) {
+ memset(&rme32->playback_pcm, 0, sizeof(rme32->playback_pcm));
+ rme32->playback_pcm.hw_buffer_size = RME32_BUFFER_SIZE;
+ rme32->playback_pcm.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
+ } else {
+ writel(0, rme32->iobase + RME32_IO_RESET_POS);
+ }
+ if (rme32->wcreg & RME32_WCR_SEL)
+ rme32->wcreg &= ~RME32_WCR_MUTE;
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ spin_unlock_irq(&rme32->lock);
+ return 0;
+}
+
+static int snd_rme32_capture_prepare(struct snd_pcm_substream *substream)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+
+ spin_lock_irq(&rme32->lock);
+ if (rme32->fullduplex_mode) {
+ memset(&rme32->capture_pcm, 0, sizeof(rme32->capture_pcm));
+ rme32->capture_pcm.hw_buffer_size = RME32_BUFFER_SIZE;
+ rme32->capture_pcm.hw_queue_size = RME32_BUFFER_SIZE / 2;
+ rme32->capture_pcm.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
+ } else {
+ writel(0, rme32->iobase + RME32_IO_RESET_POS);
+ }
+ spin_unlock_irq(&rme32->lock);
+ return 0;
+}
+
+static int
+snd_rme32_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_substream *s;
+
+ spin_lock(&rme32->lock);
+ snd_pcm_group_for_each_entry(s, substream) {
+ if (s != rme32->playback_substream &&
+ s != rme32->capture_substream)
+ continue;
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ rme32->running |= (1 << s->stream);
+ if (rme32->fullduplex_mode) {
+ /* remember the current DMA position */
+ if (s == rme32->playback_substream) {
+ rme32->playback_pcm.hw_io =
+ rme32->playback_pcm.hw_data = snd_rme32_pcm_byteptr(rme32);
+ } else {
+ rme32->capture_pcm.hw_io =
+ rme32->capture_pcm.hw_data = snd_rme32_pcm_byteptr(rme32);
+ }
+ }
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ rme32->running &= ~(1 << s->stream);
+ break;
+ }
+ snd_pcm_trigger_done(s, substream);
+ }
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ if (rme32->running && ! RME32_ISWORKING(rme32))
+ snd_rme32_pcm_start(rme32, 0);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ if (! rme32->running && RME32_ISWORKING(rme32))
+ snd_rme32_pcm_stop(rme32, 0);
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (rme32->running && RME32_ISWORKING(rme32))
+ snd_rme32_pcm_stop(rme32, 1);
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ if (rme32->running && ! RME32_ISWORKING(rme32))
+ snd_rme32_pcm_start(rme32, 1);
+ break;
+ }
+ spin_unlock(&rme32->lock);
+ return 0;
+}
+
+/* pointer callback for halfduplex mode */
+static snd_pcm_uframes_t
+snd_rme32_playback_pointer(struct snd_pcm_substream *substream)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ return snd_rme32_pcm_byteptr(rme32) >> rme32->playback_frlog;
+}
+
+static snd_pcm_uframes_t
+snd_rme32_capture_pointer(struct snd_pcm_substream *substream)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ return snd_rme32_pcm_byteptr(rme32) >> rme32->capture_frlog;
+}
+
+
+/* ack and pointer callbacks for fullduplex mode */
+static void snd_rme32_pb_trans_copy(struct snd_pcm_substream *substream,
+ struct snd_pcm_indirect *rec, size_t bytes)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ memcpy_toio(rme32->iobase + RME32_IO_DATA_BUFFER + rec->hw_data,
+ substream->runtime->dma_area + rec->sw_data, bytes);
+}
+
+static int snd_rme32_playback_fd_ack(struct snd_pcm_substream *substream)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_indirect *rec, *cprec;
+
+ rec = &rme32->playback_pcm;
+ cprec = &rme32->capture_pcm;
+ spin_lock(&rme32->lock);
+ rec->hw_queue_size = RME32_BUFFER_SIZE;
+ if (rme32->running & (1 << SNDRV_PCM_STREAM_CAPTURE))
+ rec->hw_queue_size -= cprec->hw_ready;
+ spin_unlock(&rme32->lock);
+ return snd_pcm_indirect_playback_transfer(substream, rec,
+ snd_rme32_pb_trans_copy);
+}
+
+static void snd_rme32_cp_trans_copy(struct snd_pcm_substream *substream,
+ struct snd_pcm_indirect *rec, size_t bytes)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ memcpy_fromio(substream->runtime->dma_area + rec->sw_data,
+ rme32->iobase + RME32_IO_DATA_BUFFER + rec->hw_data,
+ bytes);
+}
+
+static int snd_rme32_capture_fd_ack(struct snd_pcm_substream *substream)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ return snd_pcm_indirect_capture_transfer(substream, &rme32->capture_pcm,
+ snd_rme32_cp_trans_copy);
+}
+
+static snd_pcm_uframes_t
+snd_rme32_playback_fd_pointer(struct snd_pcm_substream *substream)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ return snd_pcm_indirect_playback_pointer(substream, &rme32->playback_pcm,
+ snd_rme32_pcm_byteptr(rme32));
+}
+
+static snd_pcm_uframes_t
+snd_rme32_capture_fd_pointer(struct snd_pcm_substream *substream)
+{
+ struct rme32 *rme32 = snd_pcm_substream_chip(substream);
+ return snd_pcm_indirect_capture_pointer(substream, &rme32->capture_pcm,
+ snd_rme32_pcm_byteptr(rme32));
+}
+
+/* for halfduplex mode */
+static const struct snd_pcm_ops snd_rme32_playback_spdif_ops = {
+ .open = snd_rme32_playback_spdif_open,
+ .close = snd_rme32_playback_close,
+ .hw_params = snd_rme32_playback_hw_params,
+ .prepare = snd_rme32_playback_prepare,
+ .trigger = snd_rme32_pcm_trigger,
+ .pointer = snd_rme32_playback_pointer,
+ .copy = snd_rme32_playback_copy,
+ .fill_silence = snd_rme32_playback_silence,
+ .mmap = snd_pcm_lib_mmap_iomem,
+};
+
+static const struct snd_pcm_ops snd_rme32_capture_spdif_ops = {
+ .open = snd_rme32_capture_spdif_open,
+ .close = snd_rme32_capture_close,
+ .hw_params = snd_rme32_capture_hw_params,
+ .prepare = snd_rme32_capture_prepare,
+ .trigger = snd_rme32_pcm_trigger,
+ .pointer = snd_rme32_capture_pointer,
+ .copy = snd_rme32_capture_copy,
+ .mmap = snd_pcm_lib_mmap_iomem,
+};
+
+static const struct snd_pcm_ops snd_rme32_playback_adat_ops = {
+ .open = snd_rme32_playback_adat_open,
+ .close = snd_rme32_playback_close,
+ .hw_params = snd_rme32_playback_hw_params,
+ .prepare = snd_rme32_playback_prepare,
+ .trigger = snd_rme32_pcm_trigger,
+ .pointer = snd_rme32_playback_pointer,
+ .copy = snd_rme32_playback_copy,
+ .fill_silence = snd_rme32_playback_silence,
+ .mmap = snd_pcm_lib_mmap_iomem,
+};
+
+static const struct snd_pcm_ops snd_rme32_capture_adat_ops = {
+ .open = snd_rme32_capture_adat_open,
+ .close = snd_rme32_capture_close,
+ .hw_params = snd_rme32_capture_hw_params,
+ .prepare = snd_rme32_capture_prepare,
+ .trigger = snd_rme32_pcm_trigger,
+ .pointer = snd_rme32_capture_pointer,
+ .copy = snd_rme32_capture_copy,
+ .mmap = snd_pcm_lib_mmap_iomem,
+};
+
+/* for fullduplex mode */
+static const struct snd_pcm_ops snd_rme32_playback_spdif_fd_ops = {
+ .open = snd_rme32_playback_spdif_open,
+ .close = snd_rme32_playback_close,
+ .hw_params = snd_rme32_playback_hw_params,
+ .prepare = snd_rme32_playback_prepare,
+ .trigger = snd_rme32_pcm_trigger,
+ .pointer = snd_rme32_playback_fd_pointer,
+ .ack = snd_rme32_playback_fd_ack,
+};
+
+static const struct snd_pcm_ops snd_rme32_capture_spdif_fd_ops = {
+ .open = snd_rme32_capture_spdif_open,
+ .close = snd_rme32_capture_close,
+ .hw_params = snd_rme32_capture_hw_params,
+ .prepare = snd_rme32_capture_prepare,
+ .trigger = snd_rme32_pcm_trigger,
+ .pointer = snd_rme32_capture_fd_pointer,
+ .ack = snd_rme32_capture_fd_ack,
+};
+
+static const struct snd_pcm_ops snd_rme32_playback_adat_fd_ops = {
+ .open = snd_rme32_playback_adat_open,
+ .close = snd_rme32_playback_close,
+ .hw_params = snd_rme32_playback_hw_params,
+ .prepare = snd_rme32_playback_prepare,
+ .trigger = snd_rme32_pcm_trigger,
+ .pointer = snd_rme32_playback_fd_pointer,
+ .ack = snd_rme32_playback_fd_ack,
+};
+
+static const struct snd_pcm_ops snd_rme32_capture_adat_fd_ops = {
+ .open = snd_rme32_capture_adat_open,
+ .close = snd_rme32_capture_close,
+ .hw_params = snd_rme32_capture_hw_params,
+ .prepare = snd_rme32_capture_prepare,
+ .trigger = snd_rme32_pcm_trigger,
+ .pointer = snd_rme32_capture_fd_pointer,
+ .ack = snd_rme32_capture_fd_ack,
+};
+
+static void snd_rme32_free(struct rme32 *rme32)
+{
+ if (rme32->irq >= 0)
+ snd_rme32_pcm_stop(rme32, 0);
+}
+
+static void snd_rme32_free_spdif_pcm(struct snd_pcm *pcm)
+{
+ struct rme32 *rme32 = (struct rme32 *) pcm->private_data;
+ rme32->spdif_pcm = NULL;
+}
+
+static void
+snd_rme32_free_adat_pcm(struct snd_pcm *pcm)
+{
+ struct rme32 *rme32 = (struct rme32 *) pcm->private_data;
+ rme32->adat_pcm = NULL;
+}
+
+static int snd_rme32_create(struct rme32 *rme32)
+{
+ struct pci_dev *pci = rme32->pci;
+ int err;
+
+ rme32->irq = -1;
+ spin_lock_init(&rme32->lock);
+
+ err = pcim_enable_device(pci);
+ if (err < 0)
+ return err;
+
+ err = pci_request_regions(pci, "RME32");
+ if (err < 0)
+ return err;
+ rme32->port = pci_resource_start(rme32->pci, 0);
+
+ rme32->iobase = devm_ioremap(&pci->dev, rme32->port, RME32_IO_SIZE);
+ if (!rme32->iobase) {
+ dev_err(rme32->card->dev,
+ "unable to remap memory region 0x%lx-0x%lx\n",
+ rme32->port, rme32->port + RME32_IO_SIZE - 1);
+ return -ENOMEM;
+ }
+
+ if (devm_request_irq(&pci->dev, pci->irq, snd_rme32_interrupt,
+ IRQF_SHARED, KBUILD_MODNAME, rme32)) {
+ dev_err(rme32->card->dev, "unable to grab IRQ %d\n", pci->irq);
+ return -EBUSY;
+ }
+ rme32->irq = pci->irq;
+ rme32->card->sync_irq = rme32->irq;
+
+ /* read the card's revision number */
+ pci_read_config_byte(pci, 8, &rme32->rev);
+
+ /* set up ALSA pcm device for S/PDIF */
+ err = snd_pcm_new(rme32->card, "Digi32 IEC958", 0, 1, 1, &rme32->spdif_pcm);
+ if (err < 0)
+ return err;
+ rme32->spdif_pcm->private_data = rme32;
+ rme32->spdif_pcm->private_free = snd_rme32_free_spdif_pcm;
+ strcpy(rme32->spdif_pcm->name, "Digi32 IEC958");
+ if (rme32->fullduplex_mode) {
+ snd_pcm_set_ops(rme32->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ &snd_rme32_playback_spdif_fd_ops);
+ snd_pcm_set_ops(rme32->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE,
+ &snd_rme32_capture_spdif_fd_ops);
+ snd_pcm_set_managed_buffer_all(rme32->spdif_pcm, SNDRV_DMA_TYPE_CONTINUOUS,
+ NULL, 0, RME32_MID_BUFFER_SIZE);
+ rme32->spdif_pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
+ } else {
+ snd_pcm_set_ops(rme32->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ &snd_rme32_playback_spdif_ops);
+ snd_pcm_set_ops(rme32->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE,
+ &snd_rme32_capture_spdif_ops);
+ rme32->spdif_pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX;
+ }
+
+ /* set up ALSA pcm device for ADAT */
+ if ((pci->device == PCI_DEVICE_ID_RME_DIGI32) ||
+ (pci->device == PCI_DEVICE_ID_RME_DIGI32_PRO)) {
+ /* ADAT is not available on DIGI32 and DIGI32 Pro */
+ rme32->adat_pcm = NULL;
+ }
+ else {
+ err = snd_pcm_new(rme32->card, "Digi32 ADAT", 1,
+ 1, 1, &rme32->adat_pcm);
+ if (err < 0)
+ return err;
+ rme32->adat_pcm->private_data = rme32;
+ rme32->adat_pcm->private_free = snd_rme32_free_adat_pcm;
+ strcpy(rme32->adat_pcm->name, "Digi32 ADAT");
+ if (rme32->fullduplex_mode) {
+ snd_pcm_set_ops(rme32->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ &snd_rme32_playback_adat_fd_ops);
+ snd_pcm_set_ops(rme32->adat_pcm, SNDRV_PCM_STREAM_CAPTURE,
+ &snd_rme32_capture_adat_fd_ops);
+ snd_pcm_set_managed_buffer_all(rme32->adat_pcm, SNDRV_DMA_TYPE_CONTINUOUS,
+ NULL,
+ 0, RME32_MID_BUFFER_SIZE);
+ rme32->adat_pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
+ } else {
+ snd_pcm_set_ops(rme32->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ &snd_rme32_playback_adat_ops);
+ snd_pcm_set_ops(rme32->adat_pcm, SNDRV_PCM_STREAM_CAPTURE,
+ &snd_rme32_capture_adat_ops);
+ rme32->adat_pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX;
+ }
+ }
+
+
+ rme32->playback_periodsize = 0;
+ rme32->capture_periodsize = 0;
+
+ /* make sure playback/capture is stopped, if by some reason active */
+ snd_rme32_pcm_stop(rme32, 0);
+
+ /* reset DAC */
+ snd_rme32_reset_dac(rme32);
+
+ /* reset buffer pointer */
+ writel(0, rme32->iobase + RME32_IO_RESET_POS);
+
+ /* set default values in registers */
+ rme32->wcreg = RME32_WCR_SEL | /* normal playback */
+ RME32_WCR_INP_0 | /* input select */
+ RME32_WCR_MUTE; /* muting on */
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+
+
+ /* init switch interface */
+ err = snd_rme32_create_switches(rme32->card, rme32);
+ if (err < 0)
+ return err;
+
+ /* init proc interface */
+ snd_rme32_proc_init(rme32);
+
+ rme32->capture_substream = NULL;
+ rme32->playback_substream = NULL;
+
+ return 0;
+}
+
+/*
+ * proc interface
+ */
+
+static void
+snd_rme32_proc_read(struct snd_info_entry * entry, struct snd_info_buffer *buffer)
+{
+ int n;
+ struct rme32 *rme32 = (struct rme32 *) entry->private_data;
+
+ rme32->rcreg = readl(rme32->iobase + RME32_IO_CONTROL_REGISTER);
+
+ snd_iprintf(buffer, rme32->card->longname);
+ snd_iprintf(buffer, " (index #%d)\n", rme32->card->number + 1);
+
+ snd_iprintf(buffer, "\nGeneral settings\n");
+ if (rme32->fullduplex_mode)
+ snd_iprintf(buffer, " Full-duplex mode\n");
+ else
+ snd_iprintf(buffer, " Half-duplex mode\n");
+ if (RME32_PRO_WITH_8414(rme32)) {
+ snd_iprintf(buffer, " receiver: CS8414\n");
+ } else {
+ snd_iprintf(buffer, " receiver: CS8412\n");
+ }
+ if (rme32->wcreg & RME32_WCR_MODE24) {
+ snd_iprintf(buffer, " format: 24 bit");
+ } else {
+ snd_iprintf(buffer, " format: 16 bit");
+ }
+ if (rme32->wcreg & RME32_WCR_MONO) {
+ snd_iprintf(buffer, ", Mono\n");
+ } else {
+ snd_iprintf(buffer, ", Stereo\n");
+ }
+
+ snd_iprintf(buffer, "\nInput settings\n");
+ switch (snd_rme32_getinputtype(rme32)) {
+ case RME32_INPUT_OPTICAL:
+ snd_iprintf(buffer, " input: optical");
+ break;
+ case RME32_INPUT_COAXIAL:
+ snd_iprintf(buffer, " input: coaxial");
+ break;
+ case RME32_INPUT_INTERNAL:
+ snd_iprintf(buffer, " input: internal");
+ break;
+ case RME32_INPUT_XLR:
+ snd_iprintf(buffer, " input: XLR");
+ break;
+ }
+ if (snd_rme32_capture_getrate(rme32, &n) < 0) {
+ snd_iprintf(buffer, "\n sample rate: no valid signal\n");
+ } else {
+ if (n) {
+ snd_iprintf(buffer, " (8 channels)\n");
+ } else {
+ snd_iprintf(buffer, " (2 channels)\n");
+ }
+ snd_iprintf(buffer, " sample rate: %d Hz\n",
+ snd_rme32_capture_getrate(rme32, &n));
+ }
+
+ snd_iprintf(buffer, "\nOutput settings\n");
+ if (rme32->wcreg & RME32_WCR_SEL) {
+ snd_iprintf(buffer, " output signal: normal playback");
+ } else {
+ snd_iprintf(buffer, " output signal: same as input");
+ }
+ if (rme32->wcreg & RME32_WCR_MUTE) {
+ snd_iprintf(buffer, " (muted)\n");
+ } else {
+ snd_iprintf(buffer, "\n");
+ }
+
+ /* master output frequency */
+ if (!
+ ((!(rme32->wcreg & RME32_WCR_FREQ_0))
+ && (!(rme32->wcreg & RME32_WCR_FREQ_1)))) {
+ snd_iprintf(buffer, " sample rate: %d Hz\n",
+ snd_rme32_playback_getrate(rme32));
+ }
+ if (rme32->rcreg & RME32_RCR_KMODE) {
+ snd_iprintf(buffer, " sample clock source: AutoSync\n");
+ } else {
+ snd_iprintf(buffer, " sample clock source: Internal\n");
+ }
+ if (rme32->wcreg & RME32_WCR_PRO) {
+ snd_iprintf(buffer, " format: AES/EBU (professional)\n");
+ } else {
+ snd_iprintf(buffer, " format: IEC958 (consumer)\n");
+ }
+ if (rme32->wcreg & RME32_WCR_EMP) {
+ snd_iprintf(buffer, " emphasis: on\n");
+ } else {
+ snd_iprintf(buffer, " emphasis: off\n");
+ }
+}
+
+static void snd_rme32_proc_init(struct rme32 *rme32)
+{
+ snd_card_ro_proc_new(rme32->card, "rme32", rme32, snd_rme32_proc_read);
+}
+
+/*
+ * control interface
+ */
+
+#define snd_rme32_info_loopback_control snd_ctl_boolean_mono_info
+
+static int
+snd_rme32_get_loopback_control(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme32->lock);
+ ucontrol->value.integer.value[0] =
+ rme32->wcreg & RME32_WCR_SEL ? 0 : 1;
+ spin_unlock_irq(&rme32->lock);
+ return 0;
+}
+static int
+snd_rme32_put_loopback_control(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int change;
+
+ val = ucontrol->value.integer.value[0] ? 0 : RME32_WCR_SEL;
+ spin_lock_irq(&rme32->lock);
+ val = (rme32->wcreg & ~RME32_WCR_SEL) | val;
+ change = val != rme32->wcreg;
+ if (ucontrol->value.integer.value[0])
+ val &= ~RME32_WCR_MUTE;
+ else
+ val |= RME32_WCR_MUTE;
+ rme32->wcreg = val;
+ writel(val, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ spin_unlock_irq(&rme32->lock);
+ return change;
+}
+
+static int
+snd_rme32_info_inputtype_control(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
+ static const char * const texts[4] = {
+ "Optical", "Coaxial", "Internal", "XLR"
+ };
+ int num_items;
+
+ switch (rme32->pci->device) {
+ case PCI_DEVICE_ID_RME_DIGI32:
+ case PCI_DEVICE_ID_RME_DIGI32_8:
+ num_items = 3;
+ break;
+ case PCI_DEVICE_ID_RME_DIGI32_PRO:
+ num_items = 4;
+ break;
+ default:
+ snd_BUG();
+ return -EINVAL;
+ }
+ return snd_ctl_enum_info(uinfo, 1, num_items, texts);
+}
+static int
+snd_rme32_get_inputtype_control(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
+ unsigned int items = 3;
+
+ spin_lock_irq(&rme32->lock);
+ ucontrol->value.enumerated.item[0] = snd_rme32_getinputtype(rme32);
+
+ switch (rme32->pci->device) {
+ case PCI_DEVICE_ID_RME_DIGI32:
+ case PCI_DEVICE_ID_RME_DIGI32_8:
+ items = 3;
+ break;
+ case PCI_DEVICE_ID_RME_DIGI32_PRO:
+ items = 4;
+ break;
+ default:
+ snd_BUG();
+ break;
+ }
+ if (ucontrol->value.enumerated.item[0] >= items) {
+ ucontrol->value.enumerated.item[0] = items - 1;
+ }
+
+ spin_unlock_irq(&rme32->lock);
+ return 0;
+}
+static int
+snd_rme32_put_inputtype_control(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int change, items = 3;
+
+ switch (rme32->pci->device) {
+ case PCI_DEVICE_ID_RME_DIGI32:
+ case PCI_DEVICE_ID_RME_DIGI32_8:
+ items = 3;
+ break;
+ case PCI_DEVICE_ID_RME_DIGI32_PRO:
+ items = 4;
+ break;
+ default:
+ snd_BUG();
+ break;
+ }
+ val = ucontrol->value.enumerated.item[0] % items;
+
+ spin_lock_irq(&rme32->lock);
+ change = val != (unsigned int)snd_rme32_getinputtype(rme32);
+ snd_rme32_setinputtype(rme32, val);
+ spin_unlock_irq(&rme32->lock);
+ return change;
+}
+
+static int
+snd_rme32_info_clockmode_control(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const texts[4] = { "AutoSync",
+ "Internal 32.0kHz",
+ "Internal 44.1kHz",
+ "Internal 48.0kHz" };
+
+ return snd_ctl_enum_info(uinfo, 1, 4, texts);
+}
+static int
+snd_rme32_get_clockmode_control(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme32->lock);
+ ucontrol->value.enumerated.item[0] = snd_rme32_getclockmode(rme32);
+ spin_unlock_irq(&rme32->lock);
+ return 0;
+}
+static int
+snd_rme32_put_clockmode_control(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int change;
+
+ val = ucontrol->value.enumerated.item[0] % 3;
+ spin_lock_irq(&rme32->lock);
+ change = val != (unsigned int)snd_rme32_getclockmode(rme32);
+ snd_rme32_setclockmode(rme32, val);
+ spin_unlock_irq(&rme32->lock);
+ return change;
+}
+
+static u32 snd_rme32_convert_from_aes(struct snd_aes_iec958 * aes)
+{
+ u32 val = 0;
+ val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME32_WCR_PRO : 0;
+ if (val & RME32_WCR_PRO)
+ val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME32_WCR_EMP : 0;
+ else
+ val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME32_WCR_EMP : 0;
+ return val;
+}
+
+static void snd_rme32_convert_to_aes(struct snd_aes_iec958 * aes, u32 val)
+{
+ aes->status[0] = ((val & RME32_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0);
+ if (val & RME32_WCR_PRO)
+ aes->status[0] |= (val & RME32_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
+ else
+ aes->status[0] |= (val & RME32_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
+}
+
+static int snd_rme32_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_rme32_control_spdif_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
+
+ snd_rme32_convert_to_aes(&ucontrol->value.iec958,
+ rme32->wcreg_spdif);
+ return 0;
+}
+
+static int snd_rme32_control_spdif_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
+ int change;
+ u32 val;
+
+ val = snd_rme32_convert_from_aes(&ucontrol->value.iec958);
+ spin_lock_irq(&rme32->lock);
+ change = val != rme32->wcreg_spdif;
+ rme32->wcreg_spdif = val;
+ spin_unlock_irq(&rme32->lock);
+ return change;
+}
+
+static int snd_rme32_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_rme32_control_spdif_stream_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *
+ ucontrol)
+{
+ struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
+
+ snd_rme32_convert_to_aes(&ucontrol->value.iec958,
+ rme32->wcreg_spdif_stream);
+ return 0;
+}
+
+static int snd_rme32_control_spdif_stream_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *
+ ucontrol)
+{
+ struct rme32 *rme32 = snd_kcontrol_chip(kcontrol);
+ int change;
+ u32 val;
+
+ val = snd_rme32_convert_from_aes(&ucontrol->value.iec958);
+ spin_lock_irq(&rme32->lock);
+ change = val != rme32->wcreg_spdif_stream;
+ rme32->wcreg_spdif_stream = val;
+ rme32->wcreg &= ~(RME32_WCR_PRO | RME32_WCR_EMP);
+ rme32->wcreg |= val;
+ writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
+ spin_unlock_irq(&rme32->lock);
+ return change;
+}
+
+static int snd_rme32_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_rme32_control_spdif_mask_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *
+ ucontrol)
+{
+ ucontrol->value.iec958.status[0] = kcontrol->private_value;
+ return 0;
+}
+
+static const struct snd_kcontrol_new snd_rme32_controls[] = {
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
+ .info = snd_rme32_control_spdif_info,
+ .get = snd_rme32_control_spdif_get,
+ .put = snd_rme32_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_rme32_control_spdif_stream_info,
+ .get = snd_rme32_control_spdif_stream_get,
+ .put = snd_rme32_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_rme32_control_spdif_mask_info,
+ .get = snd_rme32_control_spdif_mask_get,
+ .private_value = 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_rme32_control_spdif_mask_info,
+ .get = snd_rme32_control_spdif_mask_get,
+ .private_value = IEC958_AES0_PROFESSIONAL | IEC958_AES0_PRO_EMPHASIS
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Input Connector",
+ .info = snd_rme32_info_inputtype_control,
+ .get = snd_rme32_get_inputtype_control,
+ .put = snd_rme32_put_inputtype_control
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Loopback Input",
+ .info = snd_rme32_info_loopback_control,
+ .get = snd_rme32_get_loopback_control,
+ .put = snd_rme32_put_loopback_control
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Sample Clock Source",
+ .info = snd_rme32_info_clockmode_control,
+ .get = snd_rme32_get_clockmode_control,
+ .put = snd_rme32_put_clockmode_control
+ }
+};
+
+static int snd_rme32_create_switches(struct snd_card *card, struct rme32 * rme32)
+{
+ int idx, err;
+ struct snd_kcontrol *kctl;
+
+ for (idx = 0; idx < (int)ARRAY_SIZE(snd_rme32_controls); idx++) {
+ kctl = snd_ctl_new1(&snd_rme32_controls[idx], rme32);
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
+ return err;
+ if (idx == 1) /* IEC958 (S/PDIF) Stream */
+ rme32->spdif_ctl = kctl;
+ }
+
+ return 0;
+}
+
+/*
+ * Card initialisation
+ */
+
+static void snd_rme32_card_free(struct snd_card *card)
+{
+ snd_rme32_free(card->private_data);
+}
+
+static int
+__snd_rme32_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
+{
+ static int dev;
+ struct rme32 *rme32;
+ 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(*rme32), &card);
+ if (err < 0)
+ return err;
+ card->private_free = snd_rme32_card_free;
+ rme32 = (struct rme32 *) card->private_data;
+ rme32->card = card;
+ rme32->pci = pci;
+ if (fullduplex[dev])
+ rme32->fullduplex_mode = 1;
+ err = snd_rme32_create(rme32);
+ if (err < 0)
+ return err;
+
+ strcpy(card->driver, "Digi32");
+ switch (rme32->pci->device) {
+ case PCI_DEVICE_ID_RME_DIGI32:
+ strcpy(card->shortname, "RME Digi32");
+ break;
+ case PCI_DEVICE_ID_RME_DIGI32_8:
+ strcpy(card->shortname, "RME Digi32/8");
+ break;
+ case PCI_DEVICE_ID_RME_DIGI32_PRO:
+ strcpy(card->shortname, "RME Digi32 PRO");
+ break;
+ }
+ sprintf(card->longname, "%s (Rev. %d) at 0x%lx, irq %d",
+ card->shortname, rme32->rev, rme32->port, rme32->irq);
+
+ err = snd_card_register(card);
+ if (err < 0)
+ return err;
+ pci_set_drvdata(pci, card);
+ dev++;
+ return 0;
+}
+
+static int
+snd_rme32_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
+{
+ return snd_card_free_on_error(&pci->dev, __snd_rme32_probe(pci, pci_id));
+}
+
+static struct pci_driver rme32_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = snd_rme32_ids,
+ .probe = snd_rme32_probe,
+};
+
+module_pci_driver(rme32_driver);