diff options
Diffstat (limited to 'sound/pci/rme96.c')
| -rw-r--r-- | sound/pci/rme96.c | 2490 |
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); |