summaryrefslogtreecommitdiffstats
path: root/sound/pci/rme96.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/pci/rme96.c')
-rw-r--r--sound/pci/rme96.c2490
1 files changed, 2490 insertions, 0 deletions
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c
new file mode 100644
index 0000000000..6b5ffb1819
--- /dev/null
+++ b/sound/pci/rme96.c
@@ -0,0 +1,2490 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * ALSA driver for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST audio
+ * interfaces
+ *
+ * Copyright (c) 2000, 2001 Anders Torger <torger@ludd.luth.se>
+ *
+ * Thanks to Henk Hesselink <henk@anda.nl> for the analog volume control
+ * code.
+ */
+
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+#include <linux/vmalloc.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/asoundef.h>
+#include <sound/initval.h>
+
+/* note, two last pcis should be equal, it is not a bug */
+
+MODULE_AUTHOR("Anders Torger <torger@ludd.luth.se>");
+MODULE_DESCRIPTION("RME Digi96, Digi96/8, Digi96/8 PRO, Digi96/8 PST, "
+ "Digi96/8 PAD");
+MODULE_LICENSE("GPL");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for RME Digi96 soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for RME Digi96 soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable RME Digi96 soundcard.");
+
+/*
+ * Defines for RME Digi96 series, from internal RME reference documents
+ * dated 12.01.00
+ */
+
+#define RME96_SPDIF_NCHANNELS 2
+
+/* Playback and capture buffer size */
+#define RME96_BUFFER_SIZE 0x10000
+
+/* IO area size */
+#define RME96_IO_SIZE 0x60000
+
+/* IO area offsets */
+#define RME96_IO_PLAY_BUFFER 0x0
+#define RME96_IO_REC_BUFFER 0x10000
+#define RME96_IO_CONTROL_REGISTER 0x20000
+#define RME96_IO_ADDITIONAL_REG 0x20004
+#define RME96_IO_CONFIRM_PLAY_IRQ 0x20008
+#define RME96_IO_CONFIRM_REC_IRQ 0x2000C
+#define RME96_IO_SET_PLAY_POS 0x40000
+#define RME96_IO_RESET_PLAY_POS 0x4FFFC
+#define RME96_IO_SET_REC_POS 0x50000
+#define RME96_IO_RESET_REC_POS 0x5FFFC
+#define RME96_IO_GET_PLAY_POS 0x20000
+#define RME96_IO_GET_REC_POS 0x30000
+
+/* Write control register bits */
+#define RME96_WCR_START (1 << 0)
+#define RME96_WCR_START_2 (1 << 1)
+#define RME96_WCR_GAIN_0 (1 << 2)
+#define RME96_WCR_GAIN_1 (1 << 3)
+#define RME96_WCR_MODE24 (1 << 4)
+#define RME96_WCR_MODE24_2 (1 << 5)
+#define RME96_WCR_BM (1 << 6)
+#define RME96_WCR_BM_2 (1 << 7)
+#define RME96_WCR_ADAT (1 << 8)
+#define RME96_WCR_FREQ_0 (1 << 9)
+#define RME96_WCR_FREQ_1 (1 << 10)
+#define RME96_WCR_DS (1 << 11)
+#define RME96_WCR_PRO (1 << 12)
+#define RME96_WCR_EMP (1 << 13)
+#define RME96_WCR_SEL (1 << 14)
+#define RME96_WCR_MASTER (1 << 15)
+#define RME96_WCR_PD (1 << 16)
+#define RME96_WCR_INP_0 (1 << 17)
+#define RME96_WCR_INP_1 (1 << 18)
+#define RME96_WCR_THRU_0 (1 << 19)
+#define RME96_WCR_THRU_1 (1 << 20)
+#define RME96_WCR_THRU_2 (1 << 21)
+#define RME96_WCR_THRU_3 (1 << 22)
+#define RME96_WCR_THRU_4 (1 << 23)
+#define RME96_WCR_THRU_5 (1 << 24)
+#define RME96_WCR_THRU_6 (1 << 25)
+#define RME96_WCR_THRU_7 (1 << 26)
+#define RME96_WCR_DOLBY (1 << 27)
+#define RME96_WCR_MONITOR_0 (1 << 28)
+#define RME96_WCR_MONITOR_1 (1 << 29)
+#define RME96_WCR_ISEL (1 << 30)
+#define RME96_WCR_IDIS (1 << 31)
+
+#define RME96_WCR_BITPOS_GAIN_0 2
+#define RME96_WCR_BITPOS_GAIN_1 3
+#define RME96_WCR_BITPOS_FREQ_0 9
+#define RME96_WCR_BITPOS_FREQ_1 10
+#define RME96_WCR_BITPOS_INP_0 17
+#define RME96_WCR_BITPOS_INP_1 18
+#define RME96_WCR_BITPOS_MONITOR_0 28
+#define RME96_WCR_BITPOS_MONITOR_1 29
+
+/* Read control register bits */
+#define RME96_RCR_AUDIO_ADDR_MASK 0xFFFF
+#define RME96_RCR_IRQ_2 (1 << 16)
+#define RME96_RCR_T_OUT (1 << 17)
+#define RME96_RCR_DEV_ID_0 (1 << 21)
+#define RME96_RCR_DEV_ID_1 (1 << 22)
+#define RME96_RCR_LOCK (1 << 23)
+#define RME96_RCR_VERF (1 << 26)
+#define RME96_RCR_F0 (1 << 27)
+#define RME96_RCR_F1 (1 << 28)
+#define RME96_RCR_F2 (1 << 29)
+#define RME96_RCR_AUTOSYNC (1 << 30)
+#define RME96_RCR_IRQ (1 << 31)
+
+#define RME96_RCR_BITPOS_F0 27
+#define RME96_RCR_BITPOS_F1 28
+#define RME96_RCR_BITPOS_F2 29
+
+/* Additional register bits */
+#define RME96_AR_WSEL (1 << 0)
+#define RME96_AR_ANALOG (1 << 1)
+#define RME96_AR_FREQPAD_0 (1 << 2)
+#define RME96_AR_FREQPAD_1 (1 << 3)
+#define RME96_AR_FREQPAD_2 (1 << 4)
+#define RME96_AR_PD2 (1 << 5)
+#define RME96_AR_DAC_EN (1 << 6)
+#define RME96_AR_CLATCH (1 << 7)
+#define RME96_AR_CCLK (1 << 8)
+#define RME96_AR_CDATA (1 << 9)
+
+#define RME96_AR_BITPOS_F0 2
+#define RME96_AR_BITPOS_F1 3
+#define RME96_AR_BITPOS_F2 4
+
+/* Monitor tracks */
+#define RME96_MONITOR_TRACKS_1_2 0
+#define RME96_MONITOR_TRACKS_3_4 1
+#define RME96_MONITOR_TRACKS_5_6 2
+#define RME96_MONITOR_TRACKS_7_8 3
+
+/* Attenuation */
+#define RME96_ATTENUATION_0 0
+#define RME96_ATTENUATION_6 1
+#define RME96_ATTENUATION_12 2
+#define RME96_ATTENUATION_18 3
+
+/* Input types */
+#define RME96_INPUT_OPTICAL 0
+#define RME96_INPUT_COAXIAL 1
+#define RME96_INPUT_INTERNAL 2
+#define RME96_INPUT_XLR 3
+#define RME96_INPUT_ANALOG 4
+
+/* Clock modes */
+#define RME96_CLOCKMODE_SLAVE 0
+#define RME96_CLOCKMODE_MASTER 1
+#define RME96_CLOCKMODE_WORDCLOCK 2
+
+/* Block sizes in bytes */
+#define RME96_SMALL_BLOCK_SIZE 2048
+#define RME96_LARGE_BLOCK_SIZE 8192
+
+/* Volume control */
+#define RME96_AD1852_VOL_BITS 14
+#define RME96_AD1855_VOL_BITS 10
+
+/* Defines for snd_rme96_trigger */
+#define RME96_TB_START_PLAYBACK 1
+#define RME96_TB_START_CAPTURE 2
+#define RME96_TB_STOP_PLAYBACK 4
+#define RME96_TB_STOP_CAPTURE 8
+#define RME96_TB_RESET_PLAYPOS 16
+#define RME96_TB_RESET_CAPTUREPOS 32
+#define RME96_TB_CLEAR_PLAYBACK_IRQ 64
+#define RME96_TB_CLEAR_CAPTURE_IRQ 128
+#define RME96_RESUME_PLAYBACK (RME96_TB_START_PLAYBACK)
+#define RME96_RESUME_CAPTURE (RME96_TB_START_CAPTURE)
+#define RME96_RESUME_BOTH (RME96_RESUME_PLAYBACK \
+ | RME96_RESUME_CAPTURE)
+#define RME96_START_PLAYBACK (RME96_TB_START_PLAYBACK \
+ | RME96_TB_RESET_PLAYPOS)
+#define RME96_START_CAPTURE (RME96_TB_START_CAPTURE \
+ | RME96_TB_RESET_CAPTUREPOS)
+#define RME96_START_BOTH (RME96_START_PLAYBACK \
+ | RME96_START_CAPTURE)
+#define RME96_STOP_PLAYBACK (RME96_TB_STOP_PLAYBACK \
+ | RME96_TB_CLEAR_PLAYBACK_IRQ)
+#define RME96_STOP_CAPTURE (RME96_TB_STOP_CAPTURE \
+ | RME96_TB_CLEAR_CAPTURE_IRQ)
+#define RME96_STOP_BOTH (RME96_STOP_PLAYBACK \
+ | RME96_STOP_CAPTURE)
+
+struct rme96 {
+ 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 */
+ u32 areg; /* cached additional register value */
+ u16 vol[2]; /* cached volume of analog output */
+
+ u8 rev; /* card revision number */
+
+#ifdef CONFIG_PM_SLEEP
+ u32 playback_pointer;
+ u32 capture_pointer;
+ void *playback_suspend_buffer;
+ void *capture_suspend_buffer;
+#endif
+
+ 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 */
+
+ 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_rme96_ids[] = {
+ { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96), 0, },
+ { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8), 0, },
+ { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PRO), 0, },
+ { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST), 0, },
+ { 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, snd_rme96_ids);
+
+#define RME96_ISPLAYING(rme96) ((rme96)->wcreg & RME96_WCR_START)
+#define RME96_ISRECORDING(rme96) ((rme96)->wcreg & RME96_WCR_START_2)
+#define RME96_HAS_ANALOG_IN(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
+#define RME96_HAS_ANALOG_OUT(rme96) ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO || \
+ (rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST)
+#define RME96_DAC_IS_1852(rme96) (RME96_HAS_ANALOG_OUT(rme96) && (rme96)->rev >= 4)
+#define RME96_DAC_IS_1855(rme96) (((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && (rme96)->rev < 4) || \
+ ((rme96)->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PRO && (rme96)->rev == 2))
+#define RME96_185X_MAX_OUT(rme96) ((1 << (RME96_DAC_IS_1852(rme96) ? RME96_AD1852_VOL_BITS : RME96_AD1855_VOL_BITS)) - 1)
+
+static int
+snd_rme96_playback_prepare(struct snd_pcm_substream *substream);
+
+static int
+snd_rme96_capture_prepare(struct snd_pcm_substream *substream);
+
+static int
+snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
+ int cmd);
+
+static int
+snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
+ int cmd);
+
+static snd_pcm_uframes_t
+snd_rme96_playback_pointer(struct snd_pcm_substream *substream);
+
+static snd_pcm_uframes_t
+snd_rme96_capture_pointer(struct snd_pcm_substream *substream);
+
+static void snd_rme96_proc_init(struct rme96 *rme96);
+
+static int
+snd_rme96_create_switches(struct snd_card *card,
+ struct rme96 *rme96);
+
+static int
+snd_rme96_getinputtype(struct rme96 *rme96);
+
+static inline unsigned int
+snd_rme96_playback_ptr(struct rme96 *rme96)
+{
+ return (readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
+ & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->playback_frlog;
+}
+
+static inline unsigned int
+snd_rme96_capture_ptr(struct rme96 *rme96)
+{
+ return (readl(rme96->iobase + RME96_IO_GET_REC_POS)
+ & RME96_RCR_AUDIO_ADDR_MASK) >> rme96->capture_frlog;
+}
+
+static int
+snd_rme96_playback_silence(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos, unsigned long count)
+{
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+
+ memset_io(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
+ 0, count);
+ return 0;
+}
+
+static int
+snd_rme96_playback_copy(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ struct iov_iter *src, unsigned long count)
+{
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+
+ return copy_from_iter_toio(rme96->iobase + RME96_IO_PLAY_BUFFER + pos,
+ src, count);
+}
+
+static int
+snd_rme96_capture_copy(struct snd_pcm_substream *substream,
+ int channel, unsigned long pos,
+ struct iov_iter *dst, unsigned long count)
+{
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+
+ return copy_to_iter_fromio(dst,
+ rme96->iobase + RME96_IO_REC_BUFFER + pos,
+ count);
+}
+
+/*
+ * Digital output capabilities (S/PDIF)
+ */
+static const struct snd_pcm_hardware snd_rme96_playback_spdif_info =
+{
+ .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_SYNC_START |
+ SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE),
+ .formats = (SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S32_LE),
+ .rates = (SNDRV_PCM_RATE_32000 |
+ SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_64000 |
+ SNDRV_PCM_RATE_88200 |
+ SNDRV_PCM_RATE_96000),
+ .rate_min = 32000,
+ .rate_max = 96000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .buffer_bytes_max = RME96_BUFFER_SIZE,
+ .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
+ .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
+ .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
+ .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
+ .fifo_size = 0,
+};
+
+/*
+ * Digital input capabilities (S/PDIF)
+ */
+static const struct snd_pcm_hardware snd_rme96_capture_spdif_info =
+{
+ .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_SYNC_START |
+ SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE),
+ .formats = (SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S32_LE),
+ .rates = (SNDRV_PCM_RATE_32000 |
+ SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_64000 |
+ SNDRV_PCM_RATE_88200 |
+ SNDRV_PCM_RATE_96000),
+ .rate_min = 32000,
+ .rate_max = 96000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .buffer_bytes_max = RME96_BUFFER_SIZE,
+ .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
+ .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
+ .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
+ .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
+ .fifo_size = 0,
+};
+
+/*
+ * Digital output capabilities (ADAT)
+ */
+static const struct snd_pcm_hardware snd_rme96_playback_adat_info =
+{
+ .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_SYNC_START |
+ SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE),
+ .formats = (SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S32_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 = RME96_BUFFER_SIZE,
+ .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
+ .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
+ .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
+ .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
+ .fifo_size = 0,
+};
+
+/*
+ * Digital input capabilities (ADAT)
+ */
+static const struct snd_pcm_hardware snd_rme96_capture_adat_info =
+{
+ .info = (SNDRV_PCM_INFO_MMAP_IOMEM |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_SYNC_START |
+ SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE),
+ .formats = (SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S32_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 = RME96_BUFFER_SIZE,
+ .period_bytes_min = RME96_SMALL_BLOCK_SIZE,
+ .period_bytes_max = RME96_LARGE_BLOCK_SIZE,
+ .periods_min = RME96_BUFFER_SIZE / RME96_LARGE_BLOCK_SIZE,
+ .periods_max = RME96_BUFFER_SIZE / RME96_SMALL_BLOCK_SIZE,
+ .fifo_size = 0,
+};
+
+/*
+ * The CDATA, CCLK and CLATCH bits can be used to write to the SPI interface
+ * of the AD1852 or AD1852 D/A converter on the board. CDATA must be set up
+ * on the falling edge of CCLK and be stable on the rising edge. The rising
+ * edge of CLATCH after the last data bit clocks in the whole data word.
+ * A fast processor could probably drive the SPI interface faster than the
+ * DAC can handle (3MHz for the 1855, unknown for the 1852). The udelay(1)
+ * limits the data rate to 500KHz and only causes a delay of 33 microsecs.
+ *
+ * NOTE: increased delay from 1 to 10, since there where problems setting
+ * the volume.
+ */
+static void
+snd_rme96_write_SPI(struct rme96 *rme96, u16 val)
+{
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ if (val & 0x8000) {
+ rme96->areg |= RME96_AR_CDATA;
+ } else {
+ rme96->areg &= ~RME96_AR_CDATA;
+ }
+ rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CLATCH);
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+ udelay(10);
+ rme96->areg |= RME96_AR_CCLK;
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+ udelay(10);
+ val <<= 1;
+ }
+ rme96->areg &= ~(RME96_AR_CCLK | RME96_AR_CDATA);
+ rme96->areg |= RME96_AR_CLATCH;
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+ udelay(10);
+ rme96->areg &= ~RME96_AR_CLATCH;
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+}
+
+static void
+snd_rme96_apply_dac_volume(struct rme96 *rme96)
+{
+ if (RME96_DAC_IS_1852(rme96)) {
+ snd_rme96_write_SPI(rme96, (rme96->vol[0] << 2) | 0x0);
+ snd_rme96_write_SPI(rme96, (rme96->vol[1] << 2) | 0x2);
+ } else if (RME96_DAC_IS_1855(rme96)) {
+ snd_rme96_write_SPI(rme96, (rme96->vol[0] & 0x3FF) | 0x000);
+ snd_rme96_write_SPI(rme96, (rme96->vol[1] & 0x3FF) | 0x400);
+ }
+}
+
+static void
+snd_rme96_reset_dac(struct rme96 *rme96)
+{
+ writel(rme96->wcreg | RME96_WCR_PD,
+ rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+}
+
+static int
+snd_rme96_getmontracks(struct rme96 *rme96)
+{
+ return ((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_0) & 1) +
+ (((rme96->wcreg >> RME96_WCR_BITPOS_MONITOR_1) & 1) << 1);
+}
+
+static int
+snd_rme96_setmontracks(struct rme96 *rme96,
+ int montracks)
+{
+ if (montracks & 1) {
+ rme96->wcreg |= RME96_WCR_MONITOR_0;
+ } else {
+ rme96->wcreg &= ~RME96_WCR_MONITOR_0;
+ }
+ if (montracks & 2) {
+ rme96->wcreg |= RME96_WCR_MONITOR_1;
+ } else {
+ rme96->wcreg &= ~RME96_WCR_MONITOR_1;
+ }
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ return 0;
+}
+
+static int
+snd_rme96_getattenuation(struct rme96 *rme96)
+{
+ return ((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_0) & 1) +
+ (((rme96->wcreg >> RME96_WCR_BITPOS_GAIN_1) & 1) << 1);
+}
+
+static int
+snd_rme96_setattenuation(struct rme96 *rme96,
+ int attenuation)
+{
+ switch (attenuation) {
+ case 0:
+ rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) &
+ ~RME96_WCR_GAIN_1;
+ break;
+ case 1:
+ rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) &
+ ~RME96_WCR_GAIN_1;
+ break;
+ case 2:
+ rme96->wcreg = (rme96->wcreg & ~RME96_WCR_GAIN_0) |
+ RME96_WCR_GAIN_1;
+ break;
+ case 3:
+ rme96->wcreg = (rme96->wcreg | RME96_WCR_GAIN_0) |
+ RME96_WCR_GAIN_1;
+ break;
+ default:
+ return -EINVAL;
+ }
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ return 0;
+}
+
+static int
+snd_rme96_capture_getrate(struct rme96 *rme96,
+ int *is_adat)
+{
+ int n, rate;
+
+ *is_adat = 0;
+ if (rme96->areg & RME96_AR_ANALOG) {
+ /* Analog input, overrides S/PDIF setting */
+ n = ((rme96->areg >> RME96_AR_BITPOS_F0) & 1) +
+ (((rme96->areg >> RME96_AR_BITPOS_F1) & 1) << 1);
+ switch (n) {
+ case 1:
+ rate = 32000;
+ break;
+ case 2:
+ rate = 44100;
+ break;
+ case 3:
+ rate = 48000;
+ break;
+ default:
+ return -1;
+ }
+ return (rme96->areg & RME96_AR_BITPOS_F2) ? rate << 1 : rate;
+ }
+
+ rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ if (rme96->rcreg & RME96_RCR_LOCK) {
+ /* ADAT rate */
+ *is_adat = 1;
+ if (rme96->rcreg & RME96_RCR_T_OUT) {
+ return 48000;
+ }
+ return 44100;
+ }
+
+ if (rme96->rcreg & RME96_RCR_VERF) {
+ return -1;
+ }
+
+ /* S/PDIF rate */
+ n = ((rme96->rcreg >> RME96_RCR_BITPOS_F0) & 1) +
+ (((rme96->rcreg >> RME96_RCR_BITPOS_F1) & 1) << 1) +
+ (((rme96->rcreg >> RME96_RCR_BITPOS_F2) & 1) << 2);
+
+ switch (n) {
+ case 0:
+ if (rme96->rcreg & RME96_RCR_T_OUT) {
+ return 64000;
+ }
+ return -1;
+ case 3: return 96000;
+ case 4: return 88200;
+ case 5: return 48000;
+ case 6: return 44100;
+ case 7: return 32000;
+ default:
+ break;
+ }
+ return -1;
+}
+
+static int
+snd_rme96_playback_getrate(struct rme96 *rme96)
+{
+ int rate, dummy;
+
+ if (!(rme96->wcreg & RME96_WCR_MASTER) &&
+ snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
+ rate = snd_rme96_capture_getrate(rme96, &dummy);
+ if (rate > 0) {
+ /* slave clock */
+ return rate;
+ }
+ }
+
+ rate = ((rme96->wcreg >> RME96_WCR_BITPOS_FREQ_0) & 1) +
+ (((rme96->wcreg >> RME96_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 (rme96->wcreg & RME96_WCR_DS) ? rate << 1 : rate;
+}
+
+static int
+snd_rme96_playback_setrate(struct rme96 *rme96,
+ int rate)
+{
+ int ds;
+
+ ds = rme96->wcreg & RME96_WCR_DS;
+ switch (rate) {
+ case 32000:
+ rme96->wcreg &= ~RME96_WCR_DS;
+ rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
+ ~RME96_WCR_FREQ_1;
+ break;
+ case 44100:
+ rme96->wcreg &= ~RME96_WCR_DS;
+ rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
+ ~RME96_WCR_FREQ_0;
+ break;
+ case 48000:
+ rme96->wcreg &= ~RME96_WCR_DS;
+ rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
+ RME96_WCR_FREQ_1;
+ break;
+ case 64000:
+ rme96->wcreg |= RME96_WCR_DS;
+ rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) &
+ ~RME96_WCR_FREQ_1;
+ break;
+ case 88200:
+ rme96->wcreg |= RME96_WCR_DS;
+ rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_1) &
+ ~RME96_WCR_FREQ_0;
+ break;
+ case 96000:
+ rme96->wcreg |= RME96_WCR_DS;
+ rme96->wcreg = (rme96->wcreg | RME96_WCR_FREQ_0) |
+ RME96_WCR_FREQ_1;
+ break;
+ default:
+ return -EINVAL;
+ }
+ if ((!ds && rme96->wcreg & RME96_WCR_DS) ||
+ (ds && !(rme96->wcreg & RME96_WCR_DS)))
+ {
+ /* change to/from double-speed: reset the DAC (if available) */
+ snd_rme96_reset_dac(rme96);
+ return 1; /* need to restore volume */
+ } else {
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ return 0;
+ }
+}
+
+static int
+snd_rme96_capture_analog_setrate(struct rme96 *rme96,
+ int rate)
+{
+ switch (rate) {
+ case 32000:
+ rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
+ ~RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
+ break;
+ case 44100:
+ rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
+ RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
+ break;
+ case 48000:
+ rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
+ RME96_AR_FREQPAD_1) & ~RME96_AR_FREQPAD_2;
+ break;
+ case 64000:
+ if (rme96->rev < 4) {
+ return -EINVAL;
+ }
+ rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) &
+ ~RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
+ break;
+ case 88200:
+ if (rme96->rev < 4) {
+ return -EINVAL;
+ }
+ rme96->areg = ((rme96->areg & ~RME96_AR_FREQPAD_0) |
+ RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
+ break;
+ case 96000:
+ rme96->areg = ((rme96->areg | RME96_AR_FREQPAD_0) |
+ RME96_AR_FREQPAD_1) | RME96_AR_FREQPAD_2;
+ break;
+ default:
+ return -EINVAL;
+ }
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+ return 0;
+}
+
+static int
+snd_rme96_setclockmode(struct rme96 *rme96,
+ int mode)
+{
+ switch (mode) {
+ case RME96_CLOCKMODE_SLAVE:
+ /* AutoSync */
+ rme96->wcreg &= ~RME96_WCR_MASTER;
+ rme96->areg &= ~RME96_AR_WSEL;
+ break;
+ case RME96_CLOCKMODE_MASTER:
+ /* Internal */
+ rme96->wcreg |= RME96_WCR_MASTER;
+ rme96->areg &= ~RME96_AR_WSEL;
+ break;
+ case RME96_CLOCKMODE_WORDCLOCK:
+ /* Word clock is a master mode */
+ rme96->wcreg |= RME96_WCR_MASTER;
+ rme96->areg |= RME96_AR_WSEL;
+ break;
+ default:
+ return -EINVAL;
+ }
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+ return 0;
+}
+
+static int
+snd_rme96_getclockmode(struct rme96 *rme96)
+{
+ if (rme96->areg & RME96_AR_WSEL) {
+ return RME96_CLOCKMODE_WORDCLOCK;
+ }
+ return (rme96->wcreg & RME96_WCR_MASTER) ? RME96_CLOCKMODE_MASTER :
+ RME96_CLOCKMODE_SLAVE;
+}
+
+static int
+snd_rme96_setinputtype(struct rme96 *rme96,
+ int type)
+{
+ int n;
+
+ switch (type) {
+ case RME96_INPUT_OPTICAL:
+ rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) &
+ ~RME96_WCR_INP_1;
+ break;
+ case RME96_INPUT_COAXIAL:
+ rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) &
+ ~RME96_WCR_INP_1;
+ break;
+ case RME96_INPUT_INTERNAL:
+ rme96->wcreg = (rme96->wcreg & ~RME96_WCR_INP_0) |
+ RME96_WCR_INP_1;
+ break;
+ case RME96_INPUT_XLR:
+ if ((rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
+ rme96->pci->device != PCI_DEVICE_ID_RME_DIGI96_8_PRO) ||
+ (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST &&
+ rme96->rev > 4))
+ {
+ /* Only Digi96/8 PRO and Digi96/8 PAD supports XLR */
+ return -EINVAL;
+ }
+ rme96->wcreg = (rme96->wcreg | RME96_WCR_INP_0) |
+ RME96_WCR_INP_1;
+ break;
+ case RME96_INPUT_ANALOG:
+ if (!RME96_HAS_ANALOG_IN(rme96)) {
+ return -EINVAL;
+ }
+ rme96->areg |= RME96_AR_ANALOG;
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+ if (rme96->rev < 4) {
+ /*
+ * Revision less than 004 does not support 64 and
+ * 88.2 kHz
+ */
+ if (snd_rme96_capture_getrate(rme96, &n) == 88200) {
+ snd_rme96_capture_analog_setrate(rme96, 44100);
+ }
+ if (snd_rme96_capture_getrate(rme96, &n) == 64000) {
+ snd_rme96_capture_analog_setrate(rme96, 32000);
+ }
+ }
+ return 0;
+ default:
+ return -EINVAL;
+ }
+ if (type != RME96_INPUT_ANALOG && RME96_HAS_ANALOG_IN(rme96)) {
+ rme96->areg &= ~RME96_AR_ANALOG;
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+ }
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ return 0;
+}
+
+static int
+snd_rme96_getinputtype(struct rme96 *rme96)
+{
+ if (rme96->areg & RME96_AR_ANALOG) {
+ return RME96_INPUT_ANALOG;
+ }
+ return ((rme96->wcreg >> RME96_WCR_BITPOS_INP_0) & 1) +
+ (((rme96->wcreg >> RME96_WCR_BITPOS_INP_1) & 1) << 1);
+}
+
+static void
+snd_rme96_setframelog(struct rme96 *rme96,
+ int n_channels,
+ int is_playback)
+{
+ int frlog;
+
+ if (n_channels == 2) {
+ frlog = 1;
+ } else {
+ /* assume 8 channels */
+ frlog = 3;
+ }
+ if (is_playback) {
+ frlog += (rme96->wcreg & RME96_WCR_MODE24) ? 2 : 1;
+ rme96->playback_frlog = frlog;
+ } else {
+ frlog += (rme96->wcreg & RME96_WCR_MODE24_2) ? 2 : 1;
+ rme96->capture_frlog = frlog;
+ }
+}
+
+static int
+snd_rme96_playback_setformat(struct rme96 *rme96, snd_pcm_format_t format)
+{
+ switch (format) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ rme96->wcreg &= ~RME96_WCR_MODE24;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ rme96->wcreg |= RME96_WCR_MODE24;
+ break;
+ default:
+ return -EINVAL;
+ }
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ return 0;
+}
+
+static int
+snd_rme96_capture_setformat(struct rme96 *rme96, snd_pcm_format_t format)
+{
+ switch (format) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ rme96->wcreg &= ~RME96_WCR_MODE24_2;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ rme96->wcreg |= RME96_WCR_MODE24_2;
+ break;
+ default:
+ return -EINVAL;
+ }
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ return 0;
+}
+
+static void
+snd_rme96_set_period_properties(struct rme96 *rme96,
+ size_t period_bytes)
+{
+ switch (period_bytes) {
+ case RME96_LARGE_BLOCK_SIZE:
+ rme96->wcreg &= ~RME96_WCR_ISEL;
+ break;
+ case RME96_SMALL_BLOCK_SIZE:
+ rme96->wcreg |= RME96_WCR_ISEL;
+ break;
+ default:
+ snd_BUG();
+ break;
+ }
+ rme96->wcreg &= ~RME96_WCR_IDIS;
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+}
+
+static int
+snd_rme96_playback_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int err, rate, dummy;
+ bool apply_dac_volume = false;
+
+ runtime->dma_area = (void __force *)(rme96->iobase +
+ RME96_IO_PLAY_BUFFER);
+ runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
+ runtime->dma_bytes = RME96_BUFFER_SIZE;
+
+ spin_lock_irq(&rme96->lock);
+ rate = 0;
+ if (!(rme96->wcreg & RME96_WCR_MASTER) &&
+ snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG)
+ rate = snd_rme96_capture_getrate(rme96, &dummy);
+ if (rate > 0) {
+ /* slave clock */
+ if ((int)params_rate(params) != rate) {
+ err = -EIO;
+ goto error;
+ }
+ } else {
+ err = snd_rme96_playback_setrate(rme96, params_rate(params));
+ if (err < 0)
+ goto error;
+ apply_dac_volume = err > 0; /* need to restore volume later? */
+ }
+
+ err = snd_rme96_playback_setformat(rme96, params_format(params));
+ if (err < 0)
+ goto error;
+ snd_rme96_setframelog(rme96, params_channels(params), 1);
+ if (rme96->capture_periodsize != 0) {
+ if (params_period_size(params) << rme96->playback_frlog !=
+ rme96->capture_periodsize)
+ {
+ err = -EBUSY;
+ goto error;
+ }
+ }
+ rme96->playback_periodsize =
+ params_period_size(params) << rme96->playback_frlog;
+ snd_rme96_set_period_properties(rme96, rme96->playback_periodsize);
+ /* S/PDIF setup */
+ if ((rme96->wcreg & RME96_WCR_ADAT) == 0) {
+ rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
+ writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ }
+
+ err = 0;
+ error:
+ spin_unlock_irq(&rme96->lock);
+ if (apply_dac_volume) {
+ usleep_range(3000, 10000);
+ snd_rme96_apply_dac_volume(rme96);
+ }
+
+ return err;
+}
+
+static int
+snd_rme96_capture_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int err, isadat, rate;
+
+ runtime->dma_area = (void __force *)(rme96->iobase +
+ RME96_IO_REC_BUFFER);
+ runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
+ runtime->dma_bytes = RME96_BUFFER_SIZE;
+
+ spin_lock_irq(&rme96->lock);
+ err = snd_rme96_capture_setformat(rme96, params_format(params));
+ if (err < 0) {
+ spin_unlock_irq(&rme96->lock);
+ return err;
+ }
+ if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
+ err = snd_rme96_capture_analog_setrate(rme96, params_rate(params));
+ if (err < 0) {
+ spin_unlock_irq(&rme96->lock);
+ return err;
+ }
+ } else {
+ rate = snd_rme96_capture_getrate(rme96, &isadat);
+ if (rate > 0) {
+ if ((int)params_rate(params) != rate) {
+ spin_unlock_irq(&rme96->lock);
+ return -EIO;
+ }
+ if ((isadat && runtime->hw.channels_min == 2) ||
+ (!isadat && runtime->hw.channels_min == 8)) {
+ spin_unlock_irq(&rme96->lock);
+ return -EIO;
+ }
+ }
+ }
+ snd_rme96_setframelog(rme96, params_channels(params), 0);
+ if (rme96->playback_periodsize != 0) {
+ if (params_period_size(params) << rme96->capture_frlog !=
+ rme96->playback_periodsize)
+ {
+ spin_unlock_irq(&rme96->lock);
+ return -EBUSY;
+ }
+ }
+ rme96->capture_periodsize =
+ params_period_size(params) << rme96->capture_frlog;
+ snd_rme96_set_period_properties(rme96, rme96->capture_periodsize);
+ spin_unlock_irq(&rme96->lock);
+
+ return 0;
+}
+
+static void
+snd_rme96_trigger(struct rme96 *rme96,
+ int op)
+{
+ if (op & RME96_TB_RESET_PLAYPOS)
+ writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
+ if (op & RME96_TB_RESET_CAPTUREPOS)
+ writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
+ if (op & RME96_TB_CLEAR_PLAYBACK_IRQ) {
+ rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ if (rme96->rcreg & RME96_RCR_IRQ)
+ writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
+ }
+ if (op & RME96_TB_CLEAR_CAPTURE_IRQ) {
+ rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ if (rme96->rcreg & RME96_RCR_IRQ_2)
+ writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
+ }
+ if (op & RME96_TB_START_PLAYBACK)
+ rme96->wcreg |= RME96_WCR_START;
+ if (op & RME96_TB_STOP_PLAYBACK)
+ rme96->wcreg &= ~RME96_WCR_START;
+ if (op & RME96_TB_START_CAPTURE)
+ rme96->wcreg |= RME96_WCR_START_2;
+ if (op & RME96_TB_STOP_CAPTURE)
+ rme96->wcreg &= ~RME96_WCR_START_2;
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+}
+
+
+
+static irqreturn_t
+snd_rme96_interrupt(int irq,
+ void *dev_id)
+{
+ struct rme96 *rme96 = (struct rme96 *)dev_id;
+
+ rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ /* fastpath out, to ease interrupt sharing */
+ if (!((rme96->rcreg & RME96_RCR_IRQ) ||
+ (rme96->rcreg & RME96_RCR_IRQ_2)))
+ {
+ return IRQ_NONE;
+ }
+
+ if (rme96->rcreg & RME96_RCR_IRQ) {
+ /* playback */
+ snd_pcm_period_elapsed(rme96->playback_substream);
+ writel(0, rme96->iobase + RME96_IO_CONFIRM_PLAY_IRQ);
+ }
+ if (rme96->rcreg & RME96_RCR_IRQ_2) {
+ /* capture */
+ snd_pcm_period_elapsed(rme96->capture_substream);
+ writel(0, rme96->iobase + RME96_IO_CONFIRM_REC_IRQ);
+ }
+ return IRQ_HANDLED;
+}
+
+static const unsigned int period_bytes[] = { RME96_SMALL_BLOCK_SIZE, RME96_LARGE_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
+rme96_set_buffer_size_constraint(struct rme96 *rme96,
+ struct snd_pcm_runtime *runtime)
+{
+ unsigned int size;
+
+ snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
+ RME96_BUFFER_SIZE);
+ size = rme96->playback_periodsize;
+ if (!size)
+ size = rme96->capture_periodsize;
+ if (size)
+ snd_pcm_hw_constraint_single(runtime,
+ SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
+ size);
+ else
+ snd_pcm_hw_constraint_list(runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
+ &hw_constraints_period_bytes);
+}
+
+static int
+snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream)
+{
+ int rate, dummy;
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ snd_pcm_set_sync(substream);
+ spin_lock_irq(&rme96->lock);
+ if (rme96->playback_substream) {
+ spin_unlock_irq(&rme96->lock);
+ return -EBUSY;
+ }
+ rme96->wcreg &= ~RME96_WCR_ADAT;
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ rme96->playback_substream = substream;
+ spin_unlock_irq(&rme96->lock);
+
+ runtime->hw = snd_rme96_playback_spdif_info;
+ if (!(rme96->wcreg & RME96_WCR_MASTER) &&
+ snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
+ rate = snd_rme96_capture_getrate(rme96, &dummy);
+ if (rate > 0) {
+ /* slave clock */
+ runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
+ runtime->hw.rate_min = rate;
+ runtime->hw.rate_max = rate;
+ }
+ }
+ rme96_set_buffer_size_constraint(rme96, runtime);
+
+ rme96->wcreg_spdif_stream = rme96->wcreg_spdif;
+ rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
+ return 0;
+}
+
+static int
+snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream)
+{
+ int isadat, rate;
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ snd_pcm_set_sync(substream);
+ runtime->hw = snd_rme96_capture_spdif_info;
+ if (snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
+ rate = snd_rme96_capture_getrate(rme96, &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;
+ }
+ }
+
+ spin_lock_irq(&rme96->lock);
+ if (rme96->capture_substream) {
+ spin_unlock_irq(&rme96->lock);
+ return -EBUSY;
+ }
+ rme96->capture_substream = substream;
+ spin_unlock_irq(&rme96->lock);
+
+ rme96_set_buffer_size_constraint(rme96, runtime);
+ return 0;
+}
+
+static int
+snd_rme96_playback_adat_open(struct snd_pcm_substream *substream)
+{
+ int rate, dummy;
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ snd_pcm_set_sync(substream);
+ spin_lock_irq(&rme96->lock);
+ if (rme96->playback_substream) {
+ spin_unlock_irq(&rme96->lock);
+ return -EBUSY;
+ }
+ rme96->wcreg |= RME96_WCR_ADAT;
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ rme96->playback_substream = substream;
+ spin_unlock_irq(&rme96->lock);
+
+ runtime->hw = snd_rme96_playback_adat_info;
+ if (!(rme96->wcreg & RME96_WCR_MASTER) &&
+ snd_rme96_getinputtype(rme96) != RME96_INPUT_ANALOG) {
+ rate = snd_rme96_capture_getrate(rme96, &dummy);
+ if (rate > 0) {
+ /* slave clock */
+ runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
+ runtime->hw.rate_min = rate;
+ runtime->hw.rate_max = rate;
+ }
+ }
+
+ rme96_set_buffer_size_constraint(rme96, runtime);
+ return 0;
+}
+
+static int
+snd_rme96_capture_adat_open(struct snd_pcm_substream *substream)
+{
+ int isadat, rate;
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ snd_pcm_set_sync(substream);
+ runtime->hw = snd_rme96_capture_adat_info;
+ if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
+ /* makes no sense to use analog input. Note that analog
+ expension cards AEB4/8-I are RME96_INPUT_INTERNAL */
+ return -EIO;
+ }
+ rate = snd_rme96_capture_getrate(rme96, &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;
+ }
+
+ spin_lock_irq(&rme96->lock);
+ if (rme96->capture_substream) {
+ spin_unlock_irq(&rme96->lock);
+ return -EBUSY;
+ }
+ rme96->capture_substream = substream;
+ spin_unlock_irq(&rme96->lock);
+
+ rme96_set_buffer_size_constraint(rme96, runtime);
+ return 0;
+}
+
+static int
+snd_rme96_playback_close(struct snd_pcm_substream *substream)
+{
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+ int spdif = 0;
+
+ spin_lock_irq(&rme96->lock);
+ if (RME96_ISPLAYING(rme96)) {
+ snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
+ }
+ rme96->playback_substream = NULL;
+ rme96->playback_periodsize = 0;
+ spdif = (rme96->wcreg & RME96_WCR_ADAT) == 0;
+ spin_unlock_irq(&rme96->lock);
+ if (spdif) {
+ rme96->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(rme96->card, SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO, &rme96->spdif_ctl->id);
+ }
+ return 0;
+}
+
+static int
+snd_rme96_capture_close(struct snd_pcm_substream *substream)
+{
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+
+ spin_lock_irq(&rme96->lock);
+ if (RME96_ISRECORDING(rme96)) {
+ snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
+ }
+ rme96->capture_substream = NULL;
+ rme96->capture_periodsize = 0;
+ spin_unlock_irq(&rme96->lock);
+ return 0;
+}
+
+static int
+snd_rme96_playback_prepare(struct snd_pcm_substream *substream)
+{
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+
+ spin_lock_irq(&rme96->lock);
+ if (RME96_ISPLAYING(rme96)) {
+ snd_rme96_trigger(rme96, RME96_STOP_PLAYBACK);
+ }
+ writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
+ spin_unlock_irq(&rme96->lock);
+ return 0;
+}
+
+static int
+snd_rme96_capture_prepare(struct snd_pcm_substream *substream)
+{
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+
+ spin_lock_irq(&rme96->lock);
+ if (RME96_ISRECORDING(rme96)) {
+ snd_rme96_trigger(rme96, RME96_STOP_CAPTURE);
+ }
+ writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
+ spin_unlock_irq(&rme96->lock);
+ return 0;
+}
+
+static int
+snd_rme96_playback_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_substream *s;
+ bool sync;
+
+ snd_pcm_group_for_each_entry(s, substream) {
+ if (snd_pcm_substream_chip(s) == rme96)
+ snd_pcm_trigger_done(s, substream);
+ }
+
+ sync = (rme96->playback_substream && rme96->capture_substream) &&
+ (rme96->playback_substream->group ==
+ rme96->capture_substream->group);
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ if (!RME96_ISPLAYING(rme96)) {
+ if (substream != rme96->playback_substream)
+ return -EBUSY;
+ snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
+ : RME96_START_PLAYBACK);
+ }
+ break;
+
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_STOP:
+ if (RME96_ISPLAYING(rme96)) {
+ if (substream != rme96->playback_substream)
+ return -EBUSY;
+ snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
+ : RME96_STOP_PLAYBACK);
+ }
+ break;
+
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (RME96_ISPLAYING(rme96))
+ snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
+ : RME96_STOP_PLAYBACK);
+ break;
+
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ if (!RME96_ISPLAYING(rme96))
+ snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
+ : RME96_RESUME_PLAYBACK);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+snd_rme96_capture_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_substream *s;
+ bool sync;
+
+ snd_pcm_group_for_each_entry(s, substream) {
+ if (snd_pcm_substream_chip(s) == rme96)
+ snd_pcm_trigger_done(s, substream);
+ }
+
+ sync = (rme96->playback_substream && rme96->capture_substream) &&
+ (rme96->playback_substream->group ==
+ rme96->capture_substream->group);
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ if (!RME96_ISRECORDING(rme96)) {
+ if (substream != rme96->capture_substream)
+ return -EBUSY;
+ snd_rme96_trigger(rme96, sync ? RME96_START_BOTH
+ : RME96_START_CAPTURE);
+ }
+ break;
+
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_STOP:
+ if (RME96_ISRECORDING(rme96)) {
+ if (substream != rme96->capture_substream)
+ return -EBUSY;
+ snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
+ : RME96_STOP_CAPTURE);
+ }
+ break;
+
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (RME96_ISRECORDING(rme96))
+ snd_rme96_trigger(rme96, sync ? RME96_STOP_BOTH
+ : RME96_STOP_CAPTURE);
+ break;
+
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ if (!RME96_ISRECORDING(rme96))
+ snd_rme96_trigger(rme96, sync ? RME96_RESUME_BOTH
+ : RME96_RESUME_CAPTURE);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static snd_pcm_uframes_t
+snd_rme96_playback_pointer(struct snd_pcm_substream *substream)
+{
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+ return snd_rme96_playback_ptr(rme96);
+}
+
+static snd_pcm_uframes_t
+snd_rme96_capture_pointer(struct snd_pcm_substream *substream)
+{
+ struct rme96 *rme96 = snd_pcm_substream_chip(substream);
+ return snd_rme96_capture_ptr(rme96);
+}
+
+static const struct snd_pcm_ops snd_rme96_playback_spdif_ops = {
+ .open = snd_rme96_playback_spdif_open,
+ .close = snd_rme96_playback_close,
+ .hw_params = snd_rme96_playback_hw_params,
+ .prepare = snd_rme96_playback_prepare,
+ .trigger = snd_rme96_playback_trigger,
+ .pointer = snd_rme96_playback_pointer,
+ .copy = snd_rme96_playback_copy,
+ .fill_silence = snd_rme96_playback_silence,
+ .mmap = snd_pcm_lib_mmap_iomem,
+};
+
+static const struct snd_pcm_ops snd_rme96_capture_spdif_ops = {
+ .open = snd_rme96_capture_spdif_open,
+ .close = snd_rme96_capture_close,
+ .hw_params = snd_rme96_capture_hw_params,
+ .prepare = snd_rme96_capture_prepare,
+ .trigger = snd_rme96_capture_trigger,
+ .pointer = snd_rme96_capture_pointer,
+ .copy = snd_rme96_capture_copy,
+ .mmap = snd_pcm_lib_mmap_iomem,
+};
+
+static const struct snd_pcm_ops snd_rme96_playback_adat_ops = {
+ .open = snd_rme96_playback_adat_open,
+ .close = snd_rme96_playback_close,
+ .hw_params = snd_rme96_playback_hw_params,
+ .prepare = snd_rme96_playback_prepare,
+ .trigger = snd_rme96_playback_trigger,
+ .pointer = snd_rme96_playback_pointer,
+ .copy = snd_rme96_playback_copy,
+ .fill_silence = snd_rme96_playback_silence,
+ .mmap = snd_pcm_lib_mmap_iomem,
+};
+
+static const struct snd_pcm_ops snd_rme96_capture_adat_ops = {
+ .open = snd_rme96_capture_adat_open,
+ .close = snd_rme96_capture_close,
+ .hw_params = snd_rme96_capture_hw_params,
+ .prepare = snd_rme96_capture_prepare,
+ .trigger = snd_rme96_capture_trigger,
+ .pointer = snd_rme96_capture_pointer,
+ .copy = snd_rme96_capture_copy,
+ .mmap = snd_pcm_lib_mmap_iomem,
+};
+
+static void
+snd_rme96_free(struct rme96 *rme96)
+{
+ if (rme96->irq >= 0) {
+ snd_rme96_trigger(rme96, RME96_STOP_BOTH);
+ rme96->areg &= ~RME96_AR_DAC_EN;
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+ }
+#ifdef CONFIG_PM_SLEEP
+ vfree(rme96->playback_suspend_buffer);
+ vfree(rme96->capture_suspend_buffer);
+#endif
+}
+
+static void
+snd_rme96_free_spdif_pcm(struct snd_pcm *pcm)
+{
+ struct rme96 *rme96 = pcm->private_data;
+ rme96->spdif_pcm = NULL;
+}
+
+static void
+snd_rme96_free_adat_pcm(struct snd_pcm *pcm)
+{
+ struct rme96 *rme96 = pcm->private_data;
+ rme96->adat_pcm = NULL;
+}
+
+static int
+snd_rme96_create(struct rme96 *rme96)
+{
+ struct pci_dev *pci = rme96->pci;
+ int err;
+
+ rme96->irq = -1;
+ spin_lock_init(&rme96->lock);
+
+ err = pcim_enable_device(pci);
+ if (err < 0)
+ return err;
+
+ err = pci_request_regions(pci, "RME96");
+ if (err < 0)
+ return err;
+ rme96->port = pci_resource_start(rme96->pci, 0);
+
+ rme96->iobase = devm_ioremap(&pci->dev, rme96->port, RME96_IO_SIZE);
+ if (!rme96->iobase) {
+ dev_err(rme96->card->dev,
+ "unable to remap memory region 0x%lx-0x%lx\n",
+ rme96->port, rme96->port + RME96_IO_SIZE - 1);
+ return -EBUSY;
+ }
+
+ if (devm_request_irq(&pci->dev, pci->irq, snd_rme96_interrupt,
+ IRQF_SHARED, KBUILD_MODNAME, rme96)) {
+ dev_err(rme96->card->dev, "unable to grab IRQ %d\n", pci->irq);
+ return -EBUSY;
+ }
+ rme96->irq = pci->irq;
+ rme96->card->sync_irq = rme96->irq;
+
+ /* read the card's revision number */
+ pci_read_config_byte(pci, 8, &rme96->rev);
+
+ /* set up ALSA pcm device for S/PDIF */
+ err = snd_pcm_new(rme96->card, "Digi96 IEC958", 0,
+ 1, 1, &rme96->spdif_pcm);
+ if (err < 0)
+ return err;
+
+ rme96->spdif_pcm->private_data = rme96;
+ rme96->spdif_pcm->private_free = snd_rme96_free_spdif_pcm;
+ strcpy(rme96->spdif_pcm->name, "Digi96 IEC958");
+ snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_spdif_ops);
+ snd_pcm_set_ops(rme96->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_spdif_ops);
+
+ rme96->spdif_pcm->info_flags = 0;
+
+ /* set up ALSA pcm device for ADAT */
+ if (pci->device == PCI_DEVICE_ID_RME_DIGI96) {
+ /* ADAT is not available on the base model */
+ rme96->adat_pcm = NULL;
+ } else {
+ err = snd_pcm_new(rme96->card, "Digi96 ADAT", 1,
+ 1, 1, &rme96->adat_pcm);
+ if (err < 0)
+ return err;
+ rme96->adat_pcm->private_data = rme96;
+ rme96->adat_pcm->private_free = snd_rme96_free_adat_pcm;
+ strcpy(rme96->adat_pcm->name, "Digi96 ADAT");
+ snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme96_playback_adat_ops);
+ snd_pcm_set_ops(rme96->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme96_capture_adat_ops);
+
+ rme96->adat_pcm->info_flags = 0;
+ }
+
+ rme96->playback_periodsize = 0;
+ rme96->capture_periodsize = 0;
+
+ /* make sure playback/capture is stopped, if by some reason active */
+ snd_rme96_trigger(rme96, RME96_STOP_BOTH);
+
+ /* set default values in registers */
+ rme96->wcreg =
+ RME96_WCR_FREQ_1 | /* set 44.1 kHz playback */
+ RME96_WCR_SEL | /* normal playback */
+ RME96_WCR_MASTER | /* set to master clock mode */
+ RME96_WCR_INP_0; /* set coaxial input */
+
+ rme96->areg = RME96_AR_FREQPAD_1; /* set 44.1 kHz analog capture */
+
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+
+ /* reset the ADC */
+ writel(rme96->areg | RME96_AR_PD2,
+ rme96->iobase + RME96_IO_ADDITIONAL_REG);
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+
+ /* reset and enable the DAC (order is important). */
+ snd_rme96_reset_dac(rme96);
+ rme96->areg |= RME96_AR_DAC_EN;
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+
+ /* reset playback and record buffer pointers */
+ writel(0, rme96->iobase + RME96_IO_RESET_PLAY_POS);
+ writel(0, rme96->iobase + RME96_IO_RESET_REC_POS);
+
+ /* reset volume */
+ rme96->vol[0] = rme96->vol[1] = 0;
+ if (RME96_HAS_ANALOG_OUT(rme96)) {
+ snd_rme96_apply_dac_volume(rme96);
+ }
+
+ /* init switch interface */
+ err = snd_rme96_create_switches(rme96->card, rme96);
+ if (err < 0)
+ return err;
+
+ /* init proc interface */
+ snd_rme96_proc_init(rme96);
+
+ return 0;
+}
+
+/*
+ * proc interface
+ */
+
+static void
+snd_rme96_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
+{
+ int n;
+ struct rme96 *rme96 = entry->private_data;
+
+ rme96->rcreg = readl(rme96->iobase + RME96_IO_CONTROL_REGISTER);
+
+ snd_iprintf(buffer, rme96->card->longname);
+ snd_iprintf(buffer, " (index #%d)\n", rme96->card->number + 1);
+
+ snd_iprintf(buffer, "\nGeneral settings\n");
+ if (rme96->wcreg & RME96_WCR_IDIS) {
+ snd_iprintf(buffer, " period size: N/A (interrupts "
+ "disabled)\n");
+ } else if (rme96->wcreg & RME96_WCR_ISEL) {
+ snd_iprintf(buffer, " period size: 2048 bytes\n");
+ } else {
+ snd_iprintf(buffer, " period size: 8192 bytes\n");
+ }
+ snd_iprintf(buffer, "\nInput settings\n");
+ switch (snd_rme96_getinputtype(rme96)) {
+ case RME96_INPUT_OPTICAL:
+ snd_iprintf(buffer, " input: optical");
+ break;
+ case RME96_INPUT_COAXIAL:
+ snd_iprintf(buffer, " input: coaxial");
+ break;
+ case RME96_INPUT_INTERNAL:
+ snd_iprintf(buffer, " input: internal");
+ break;
+ case RME96_INPUT_XLR:
+ snd_iprintf(buffer, " input: XLR");
+ break;
+ case RME96_INPUT_ANALOG:
+ snd_iprintf(buffer, " input: analog");
+ break;
+ }
+ if (snd_rme96_capture_getrate(rme96, &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_rme96_capture_getrate(rme96, &n));
+ }
+ if (rme96->wcreg & RME96_WCR_MODE24_2) {
+ snd_iprintf(buffer, " sample format: 24 bit\n");
+ } else {
+ snd_iprintf(buffer, " sample format: 16 bit\n");
+ }
+
+ snd_iprintf(buffer, "\nOutput settings\n");
+ if (rme96->wcreg & RME96_WCR_SEL) {
+ snd_iprintf(buffer, " output signal: normal playback\n");
+ } else {
+ snd_iprintf(buffer, " output signal: same as input\n");
+ }
+ snd_iprintf(buffer, " sample rate: %d Hz\n",
+ snd_rme96_playback_getrate(rme96));
+ if (rme96->wcreg & RME96_WCR_MODE24) {
+ snd_iprintf(buffer, " sample format: 24 bit\n");
+ } else {
+ snd_iprintf(buffer, " sample format: 16 bit\n");
+ }
+ if (rme96->areg & RME96_AR_WSEL) {
+ snd_iprintf(buffer, " sample clock source: word clock\n");
+ } else if (rme96->wcreg & RME96_WCR_MASTER) {
+ snd_iprintf(buffer, " sample clock source: internal\n");
+ } else if (snd_rme96_getinputtype(rme96) == RME96_INPUT_ANALOG) {
+ snd_iprintf(buffer, " sample clock source: autosync (internal anyway due to analog input setting)\n");
+ } else if (snd_rme96_capture_getrate(rme96, &n) < 0) {
+ snd_iprintf(buffer, " sample clock source: autosync (internal anyway due to no valid signal)\n");
+ } else {
+ snd_iprintf(buffer, " sample clock source: autosync\n");
+ }
+ if (rme96->wcreg & RME96_WCR_PRO) {
+ snd_iprintf(buffer, " format: AES/EBU (professional)\n");
+ } else {
+ snd_iprintf(buffer, " format: IEC958 (consumer)\n");
+ }
+ if (rme96->wcreg & RME96_WCR_EMP) {
+ snd_iprintf(buffer, " emphasis: on\n");
+ } else {
+ snd_iprintf(buffer, " emphasis: off\n");
+ }
+ if (rme96->wcreg & RME96_WCR_DOLBY) {
+ snd_iprintf(buffer, " non-audio (dolby): on\n");
+ } else {
+ snd_iprintf(buffer, " non-audio (dolby): off\n");
+ }
+ if (RME96_HAS_ANALOG_IN(rme96)) {
+ snd_iprintf(buffer, "\nAnalog output settings\n");
+ switch (snd_rme96_getmontracks(rme96)) {
+ case RME96_MONITOR_TRACKS_1_2:
+ snd_iprintf(buffer, " monitored ADAT tracks: 1+2\n");
+ break;
+ case RME96_MONITOR_TRACKS_3_4:
+ snd_iprintf(buffer, " monitored ADAT tracks: 3+4\n");
+ break;
+ case RME96_MONITOR_TRACKS_5_6:
+ snd_iprintf(buffer, " monitored ADAT tracks: 5+6\n");
+ break;
+ case RME96_MONITOR_TRACKS_7_8:
+ snd_iprintf(buffer, " monitored ADAT tracks: 7+8\n");
+ break;
+ }
+ switch (snd_rme96_getattenuation(rme96)) {
+ case RME96_ATTENUATION_0:
+ snd_iprintf(buffer, " attenuation: 0 dB\n");
+ break;
+ case RME96_ATTENUATION_6:
+ snd_iprintf(buffer, " attenuation: -6 dB\n");
+ break;
+ case RME96_ATTENUATION_12:
+ snd_iprintf(buffer, " attenuation: -12 dB\n");
+ break;
+ case RME96_ATTENUATION_18:
+ snd_iprintf(buffer, " attenuation: -18 dB\n");
+ break;
+ }
+ snd_iprintf(buffer, " volume left: %u\n", rme96->vol[0]);
+ snd_iprintf(buffer, " volume right: %u\n", rme96->vol[1]);
+ }
+}
+
+static void snd_rme96_proc_init(struct rme96 *rme96)
+{
+ snd_card_ro_proc_new(rme96->card, "rme96", rme96, snd_rme96_proc_read);
+}
+
+/*
+ * control interface
+ */
+
+#define snd_rme96_info_loopback_control snd_ctl_boolean_mono_info
+
+static int
+snd_rme96_get_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme96->lock);
+ ucontrol->value.integer.value[0] = rme96->wcreg & RME96_WCR_SEL ? 0 : 1;
+ spin_unlock_irq(&rme96->lock);
+ return 0;
+}
+static int
+snd_rme96_put_loopback_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int change;
+
+ val = ucontrol->value.integer.value[0] ? 0 : RME96_WCR_SEL;
+ spin_lock_irq(&rme96->lock);
+ val = (rme96->wcreg & ~RME96_WCR_SEL) | val;
+ change = val != rme96->wcreg;
+ rme96->wcreg = val;
+ writel(val, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ spin_unlock_irq(&rme96->lock);
+ return change;
+}
+
+static int
+snd_rme96_info_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const _texts[5] = {
+ "Optical", "Coaxial", "Internal", "XLR", "Analog"
+ };
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+ const char *texts[5] = {
+ _texts[0], _texts[1], _texts[2], _texts[3], _texts[4]
+ };
+ int num_items;
+
+ switch (rme96->pci->device) {
+ case PCI_DEVICE_ID_RME_DIGI96:
+ case PCI_DEVICE_ID_RME_DIGI96_8:
+ num_items = 3;
+ break;
+ case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
+ num_items = 4;
+ break;
+ case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
+ if (rme96->rev > 4) {
+ /* PST */
+ num_items = 4;
+ texts[3] = _texts[4]; /* Analog instead of XLR */
+ } else {
+ /* PAD */
+ num_items = 5;
+ }
+ break;
+ default:
+ snd_BUG();
+ return -EINVAL;
+ }
+ return snd_ctl_enum_info(uinfo, 1, num_items, texts);
+}
+static int
+snd_rme96_get_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+ unsigned int items = 3;
+
+ spin_lock_irq(&rme96->lock);
+ ucontrol->value.enumerated.item[0] = snd_rme96_getinputtype(rme96);
+
+ switch (rme96->pci->device) {
+ case PCI_DEVICE_ID_RME_DIGI96:
+ case PCI_DEVICE_ID_RME_DIGI96_8:
+ items = 3;
+ break;
+ case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
+ items = 4;
+ break;
+ case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
+ if (rme96->rev > 4) {
+ /* for handling PST case, (INPUT_ANALOG is moved to INPUT_XLR */
+ if (ucontrol->value.enumerated.item[0] == RME96_INPUT_ANALOG) {
+ ucontrol->value.enumerated.item[0] = RME96_INPUT_XLR;
+ }
+ items = 4;
+ } else {
+ items = 5;
+ }
+ break;
+ default:
+ snd_BUG();
+ break;
+ }
+ if (ucontrol->value.enumerated.item[0] >= items) {
+ ucontrol->value.enumerated.item[0] = items - 1;
+ }
+
+ spin_unlock_irq(&rme96->lock);
+ return 0;
+}
+static int
+snd_rme96_put_inputtype_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int change, items = 3;
+
+ switch (rme96->pci->device) {
+ case PCI_DEVICE_ID_RME_DIGI96:
+ case PCI_DEVICE_ID_RME_DIGI96_8:
+ items = 3;
+ break;
+ case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
+ items = 4;
+ break;
+ case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
+ if (rme96->rev > 4) {
+ items = 4;
+ } else {
+ items = 5;
+ }
+ break;
+ default:
+ snd_BUG();
+ break;
+ }
+ val = ucontrol->value.enumerated.item[0] % items;
+
+ /* special case for PST */
+ if (rme96->pci->device == PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST && rme96->rev > 4) {
+ if (val == RME96_INPUT_XLR) {
+ val = RME96_INPUT_ANALOG;
+ }
+ }
+
+ spin_lock_irq(&rme96->lock);
+ change = (int)val != snd_rme96_getinputtype(rme96);
+ snd_rme96_setinputtype(rme96, val);
+ spin_unlock_irq(&rme96->lock);
+ return change;
+}
+
+static int
+snd_rme96_info_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const texts[3] = { "AutoSync", "Internal", "Word" };
+
+ return snd_ctl_enum_info(uinfo, 1, 3, texts);
+}
+static int
+snd_rme96_get_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme96->lock);
+ ucontrol->value.enumerated.item[0] = snd_rme96_getclockmode(rme96);
+ spin_unlock_irq(&rme96->lock);
+ return 0;
+}
+static int
+snd_rme96_put_clockmode_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int change;
+
+ val = ucontrol->value.enumerated.item[0] % 3;
+ spin_lock_irq(&rme96->lock);
+ change = (int)val != snd_rme96_getclockmode(rme96);
+ snd_rme96_setclockmode(rme96, val);
+ spin_unlock_irq(&rme96->lock);
+ return change;
+}
+
+static int
+snd_rme96_info_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const texts[4] = {
+ "0 dB", "-6 dB", "-12 dB", "-18 dB"
+ };
+
+ return snd_ctl_enum_info(uinfo, 1, 4, texts);
+}
+static int
+snd_rme96_get_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme96->lock);
+ ucontrol->value.enumerated.item[0] = snd_rme96_getattenuation(rme96);
+ spin_unlock_irq(&rme96->lock);
+ return 0;
+}
+static int
+snd_rme96_put_attenuation_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int change;
+
+ val = ucontrol->value.enumerated.item[0] % 4;
+ spin_lock_irq(&rme96->lock);
+
+ change = (int)val != snd_rme96_getattenuation(rme96);
+ snd_rme96_setattenuation(rme96, val);
+ spin_unlock_irq(&rme96->lock);
+ return change;
+}
+
+static int
+snd_rme96_info_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const texts[4] = { "1+2", "3+4", "5+6", "7+8" };
+
+ return snd_ctl_enum_info(uinfo, 1, 4, texts);
+}
+static int
+snd_rme96_get_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme96->lock);
+ ucontrol->value.enumerated.item[0] = snd_rme96_getmontracks(rme96);
+ spin_unlock_irq(&rme96->lock);
+ return 0;
+}
+static int
+snd_rme96_put_montracks_control(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int change;
+
+ val = ucontrol->value.enumerated.item[0] % 4;
+ spin_lock_irq(&rme96->lock);
+ change = (int)val != snd_rme96_getmontracks(rme96);
+ snd_rme96_setmontracks(rme96, val);
+ spin_unlock_irq(&rme96->lock);
+ return change;
+}
+
+static u32 snd_rme96_convert_from_aes(struct snd_aes_iec958 *aes)
+{
+ u32 val = 0;
+ val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME96_WCR_PRO : 0;
+ val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME96_WCR_DOLBY : 0;
+ if (val & RME96_WCR_PRO)
+ val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
+ else
+ val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME96_WCR_EMP : 0;
+ return val;
+}
+
+static void snd_rme96_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
+{
+ aes->status[0] = ((val & RME96_WCR_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
+ ((val & RME96_WCR_DOLBY) ? IEC958_AES0_NONAUDIO : 0);
+ if (val & RME96_WCR_PRO)
+ aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
+ else
+ aes->status[0] |= (val & RME96_WCR_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
+}
+
+static int snd_rme96_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_rme96_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+
+ snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif);
+ return 0;
+}
+
+static int snd_rme96_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+ int change;
+ u32 val;
+
+ val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
+ spin_lock_irq(&rme96->lock);
+ change = val != rme96->wcreg_spdif;
+ rme96->wcreg_spdif = val;
+ spin_unlock_irq(&rme96->lock);
+ return change;
+}
+
+static int snd_rme96_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_rme96_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+
+ snd_rme96_convert_to_aes(&ucontrol->value.iec958, rme96->wcreg_spdif_stream);
+ return 0;
+}
+
+static int snd_rme96_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+ int change;
+ u32 val;
+
+ val = snd_rme96_convert_from_aes(&ucontrol->value.iec958);
+ spin_lock_irq(&rme96->lock);
+ change = val != rme96->wcreg_spdif_stream;
+ rme96->wcreg_spdif_stream = val;
+ rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
+ rme96->wcreg |= val;
+ writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+ spin_unlock_irq(&rme96->lock);
+ return change;
+}
+
+static int snd_rme96_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_rme96_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 int
+snd_rme96_dac_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = RME96_185X_MAX_OUT(rme96);
+ return 0;
+}
+
+static int
+snd_rme96_dac_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme96->lock);
+ u->value.integer.value[0] = rme96->vol[0];
+ u->value.integer.value[1] = rme96->vol[1];
+ spin_unlock_irq(&rme96->lock);
+
+ return 0;
+}
+
+static int
+snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *u)
+{
+ struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
+ int change = 0;
+ unsigned int vol, maxvol;
+
+
+ if (!RME96_HAS_ANALOG_OUT(rme96))
+ return -EINVAL;
+ maxvol = RME96_185X_MAX_OUT(rme96);
+ spin_lock_irq(&rme96->lock);
+ vol = u->value.integer.value[0];
+ if (vol != rme96->vol[0] && vol <= maxvol) {
+ rme96->vol[0] = vol;
+ change = 1;
+ }
+ vol = u->value.integer.value[1];
+ if (vol != rme96->vol[1] && vol <= maxvol) {
+ rme96->vol[1] = vol;
+ change = 1;
+ }
+ if (change)
+ snd_rme96_apply_dac_volume(rme96);
+ spin_unlock_irq(&rme96->lock);
+
+ return change;
+}
+
+static const struct snd_kcontrol_new snd_rme96_controls[] = {
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+ .info = snd_rme96_control_spdif_info,
+ .get = snd_rme96_control_spdif_get,
+ .put = snd_rme96_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_rme96_control_spdif_stream_info,
+ .get = snd_rme96_control_spdif_stream_get,
+ .put = snd_rme96_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_rme96_control_spdif_mask_info,
+ .get = snd_rme96_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_rme96_control_spdif_mask_info,
+ .get = snd_rme96_control_spdif_mask_get,
+ .private_value = IEC958_AES0_NONAUDIO |
+ IEC958_AES0_PROFESSIONAL |
+ IEC958_AES0_PRO_EMPHASIS
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Input Connector",
+ .info = snd_rme96_info_inputtype_control,
+ .get = snd_rme96_get_inputtype_control,
+ .put = snd_rme96_put_inputtype_control
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Loopback Input",
+ .info = snd_rme96_info_loopback_control,
+ .get = snd_rme96_get_loopback_control,
+ .put = snd_rme96_put_loopback_control
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Sample Clock Source",
+ .info = snd_rme96_info_clockmode_control,
+ .get = snd_rme96_get_clockmode_control,
+ .put = snd_rme96_put_clockmode_control
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Monitor Tracks",
+ .info = snd_rme96_info_montracks_control,
+ .get = snd_rme96_get_montracks_control,
+ .put = snd_rme96_put_montracks_control
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Attenuation",
+ .info = snd_rme96_info_attenuation_control,
+ .get = snd_rme96_get_attenuation_control,
+ .put = snd_rme96_put_attenuation_control
+},
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "DAC Playback Volume",
+ .info = snd_rme96_dac_volume_info,
+ .get = snd_rme96_dac_volume_get,
+ .put = snd_rme96_dac_volume_put
+}
+};
+
+static int
+snd_rme96_create_switches(struct snd_card *card,
+ struct rme96 *rme96)
+{
+ int idx, err;
+ struct snd_kcontrol *kctl;
+
+ for (idx = 0; idx < 7; idx++) {
+ kctl = snd_ctl_new1(&snd_rme96_controls[idx], rme96);
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
+ return err;
+ if (idx == 1) /* IEC958 (S/PDIF) Stream */
+ rme96->spdif_ctl = kctl;
+ }
+
+ if (RME96_HAS_ANALOG_OUT(rme96)) {
+ for (idx = 7; idx < 10; idx++) {
+ err = snd_ctl_add(card, snd_ctl_new1(&snd_rme96_controls[idx], rme96));
+ if (err < 0)
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Card initialisation
+ */
+
+#ifdef CONFIG_PM_SLEEP
+
+static int rme96_suspend(struct device *dev)
+{
+ struct snd_card *card = dev_get_drvdata(dev);
+ struct rme96 *rme96 = card->private_data;
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+
+ /* save capture & playback pointers */
+ rme96->playback_pointer = readl(rme96->iobase + RME96_IO_GET_PLAY_POS)
+ & RME96_RCR_AUDIO_ADDR_MASK;
+ rme96->capture_pointer = readl(rme96->iobase + RME96_IO_GET_REC_POS)
+ & RME96_RCR_AUDIO_ADDR_MASK;
+
+ /* save playback and capture buffers */
+ memcpy_fromio(rme96->playback_suspend_buffer,
+ rme96->iobase + RME96_IO_PLAY_BUFFER, RME96_BUFFER_SIZE);
+ memcpy_fromio(rme96->capture_suspend_buffer,
+ rme96->iobase + RME96_IO_REC_BUFFER, RME96_BUFFER_SIZE);
+
+ /* disable the DAC */
+ rme96->areg &= ~RME96_AR_DAC_EN;
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+ return 0;
+}
+
+static int rme96_resume(struct device *dev)
+{
+ struct snd_card *card = dev_get_drvdata(dev);
+ struct rme96 *rme96 = card->private_data;
+
+ /* reset playback and record buffer pointers */
+ writel(0, rme96->iobase + RME96_IO_SET_PLAY_POS
+ + rme96->playback_pointer);
+ writel(0, rme96->iobase + RME96_IO_SET_REC_POS
+ + rme96->capture_pointer);
+
+ /* restore playback and capture buffers */
+ memcpy_toio(rme96->iobase + RME96_IO_PLAY_BUFFER,
+ rme96->playback_suspend_buffer, RME96_BUFFER_SIZE);
+ memcpy_toio(rme96->iobase + RME96_IO_REC_BUFFER,
+ rme96->capture_suspend_buffer, RME96_BUFFER_SIZE);
+
+ /* reset the ADC */
+ writel(rme96->areg | RME96_AR_PD2,
+ rme96->iobase + RME96_IO_ADDITIONAL_REG);
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+
+ /* reset and enable DAC, restore analog volume */
+ snd_rme96_reset_dac(rme96);
+ rme96->areg |= RME96_AR_DAC_EN;
+ writel(rme96->areg, rme96->iobase + RME96_IO_ADDITIONAL_REG);
+ if (RME96_HAS_ANALOG_OUT(rme96)) {
+ usleep_range(3000, 10000);
+ snd_rme96_apply_dac_volume(rme96);
+ }
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(rme96_pm, rme96_suspend, rme96_resume);
+#define RME96_PM_OPS &rme96_pm
+#else
+#define RME96_PM_OPS NULL
+#endif /* CONFIG_PM_SLEEP */
+
+static void snd_rme96_card_free(struct snd_card *card)
+{
+ snd_rme96_free(card->private_data);
+}
+
+static int
+__snd_rme96_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
+{
+ static int dev;
+ struct rme96 *rme96;
+ struct snd_card *card;
+ int err;
+ u8 val;
+
+ 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(*rme96), &card);
+ if (err < 0)
+ return err;
+ card->private_free = snd_rme96_card_free;
+ rme96 = card->private_data;
+ rme96->card = card;
+ rme96->pci = pci;
+ err = snd_rme96_create(rme96);
+ if (err)
+ return err;
+
+#ifdef CONFIG_PM_SLEEP
+ rme96->playback_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
+ if (!rme96->playback_suspend_buffer)
+ return -ENOMEM;
+ rme96->capture_suspend_buffer = vmalloc(RME96_BUFFER_SIZE);
+ if (!rme96->capture_suspend_buffer)
+ return -ENOMEM;
+#endif
+
+ strcpy(card->driver, "Digi96");
+ switch (rme96->pci->device) {
+ case PCI_DEVICE_ID_RME_DIGI96:
+ strcpy(card->shortname, "RME Digi96");
+ break;
+ case PCI_DEVICE_ID_RME_DIGI96_8:
+ strcpy(card->shortname, "RME Digi96/8");
+ break;
+ case PCI_DEVICE_ID_RME_DIGI96_8_PRO:
+ strcpy(card->shortname, "RME Digi96/8 PRO");
+ break;
+ case PCI_DEVICE_ID_RME_DIGI96_8_PAD_OR_PST:
+ pci_read_config_byte(rme96->pci, 8, &val);
+ if (val < 5) {
+ strcpy(card->shortname, "RME Digi96/8 PAD");
+ } else {
+ strcpy(card->shortname, "RME Digi96/8 PST");
+ }
+ break;
+ }
+ sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
+ rme96->port, rme96->irq);
+ err = snd_card_register(card);
+ if (err)
+ return err;
+
+ pci_set_drvdata(pci, card);
+ dev++;
+ return 0;
+}
+
+static int snd_rme96_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
+{
+ return snd_card_free_on_error(&pci->dev, __snd_rme96_probe(pci, pci_id));
+}
+
+static struct pci_driver rme96_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = snd_rme96_ids,
+ .probe = snd_rme96_probe,
+ .driver = {
+ .pm = RME96_PM_OPS,
+ },
+};
+
+module_pci_driver(rme96_driver);