summaryrefslogtreecommitdiffstats
path: root/kernel/sound/pci/rme9652/rme9652.c
diff options
context:
space:
mode:
authorYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 12:17:53 -0700
committerYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 15:44:42 -0700
commit9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch)
tree1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/sound/pci/rme9652/rme9652.c
parent98260f3884f4a202f9ca5eabed40b1354c489b29 (diff)
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/sound/pci/rme9652/rme9652.c')
-rw-r--r--kernel/sound/pci/rme9652/rme9652.c2617
1 files changed, 2617 insertions, 0 deletions
diff --git a/kernel/sound/pci/rme9652/rme9652.c b/kernel/sound/pci/rme9652/rme9652.c
new file mode 100644
index 000000000..fdbc0aa27
--- /dev/null
+++ b/kernel/sound/pci/rme9652/rme9652.c
@@ -0,0 +1,2617 @@
+/*
+ * ALSA driver for RME Digi9652 audio interfaces
+ *
+ * Copyright (c) 1999 IEM - Winfried Ritsch
+ * Copyright (c) 1999-2001 Paul Davis
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+#include <linux/io.h>
+
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/info.h>
+#include <sound/asoundef.h>
+#include <sound/initval.h>
+
+#include <asm/current.h>
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
+static bool precise_ptr[SNDRV_CARDS]; /* Enable precise pointer */
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for RME Digi9652 (Hammerfall) soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for RME Digi9652 (Hammerfall) soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable/disable specific RME96{52,36} soundcards.");
+module_param_array(precise_ptr, bool, NULL, 0444);
+MODULE_PARM_DESC(precise_ptr, "Enable precise pointer (doesn't work reliably).");
+MODULE_AUTHOR("Paul Davis <pbd@op.net>, Winfried Ritsch");
+MODULE_DESCRIPTION("RME Digi9652/Digi9636");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{RME,Hammerfall},"
+ "{RME,Hammerfall-Light}}");
+
+/* The Hammerfall has two sets of 24 ADAT + 2 S/PDIF channels, one for
+ capture, one for playback. Both the ADAT and S/PDIF channels appear
+ to the host CPU in the same block of memory. There is no functional
+ difference between them in terms of access.
+
+ The Hammerfall Light is identical to the Hammerfall, except that it
+ has 2 sets 18 channels (16 ADAT + 2 S/PDIF) for capture and playback.
+*/
+
+#define RME9652_NCHANNELS 26
+#define RME9636_NCHANNELS 18
+
+/* Preferred sync source choices - used by "sync_pref" control switch */
+
+#define RME9652_SYNC_FROM_SPDIF 0
+#define RME9652_SYNC_FROM_ADAT1 1
+#define RME9652_SYNC_FROM_ADAT2 2
+#define RME9652_SYNC_FROM_ADAT3 3
+
+/* Possible sources of S/PDIF input */
+
+#define RME9652_SPDIFIN_OPTICAL 0 /* optical (ADAT1) */
+#define RME9652_SPDIFIN_COAXIAL 1 /* coaxial (RCA) */
+#define RME9652_SPDIFIN_INTERN 2 /* internal (CDROM) */
+
+/* ------------- Status-Register bits --------------------- */
+
+#define RME9652_IRQ (1<<0) /* IRQ is High if not reset by irq_clear */
+#define RME9652_lock_2 (1<<1) /* ADAT 3-PLL: 1=locked, 0=unlocked */
+#define RME9652_lock_1 (1<<2) /* ADAT 2-PLL: 1=locked, 0=unlocked */
+#define RME9652_lock_0 (1<<3) /* ADAT 1-PLL: 1=locked, 0=unlocked */
+#define RME9652_fs48 (1<<4) /* sample rate is 0=44.1/88.2,1=48/96 Khz */
+#define RME9652_wsel_rd (1<<5) /* if Word-Clock is used and valid then 1 */
+ /* bits 6-15 encode h/w buffer pointer position */
+#define RME9652_sync_2 (1<<16) /* if ADAT-IN 3 in sync to system clock */
+#define RME9652_sync_1 (1<<17) /* if ADAT-IN 2 in sync to system clock */
+#define RME9652_sync_0 (1<<18) /* if ADAT-IN 1 in sync to system clock */
+#define RME9652_DS_rd (1<<19) /* 1=Double Speed Mode, 0=Normal Speed */
+#define RME9652_tc_busy (1<<20) /* 1=time-code copy in progress (960ms) */
+#define RME9652_tc_out (1<<21) /* time-code out bit */
+#define RME9652_F_0 (1<<22) /* 000=64kHz, 100=88.2kHz, 011=96kHz */
+#define RME9652_F_1 (1<<23) /* 111=32kHz, 110=44.1kHz, 101=48kHz, */
+#define RME9652_F_2 (1<<24) /* external Crystal Chip if ERF=1 */
+#define RME9652_ERF (1<<25) /* Error-Flag of SDPIF Receiver (1=No Lock) */
+#define RME9652_buffer_id (1<<26) /* toggles by each interrupt on rec/play */
+#define RME9652_tc_valid (1<<27) /* 1 = a signal is detected on time-code input */
+#define RME9652_SPDIF_READ (1<<28) /* byte available from Rev 1.5+ S/PDIF interface */
+
+#define RME9652_sync (RME9652_sync_0|RME9652_sync_1|RME9652_sync_2)
+#define RME9652_lock (RME9652_lock_0|RME9652_lock_1|RME9652_lock_2)
+#define RME9652_F (RME9652_F_0|RME9652_F_1|RME9652_F_2)
+#define rme9652_decode_spdif_rate(x) ((x)>>22)
+
+/* Bit 6..15 : h/w buffer pointer */
+
+#define RME9652_buf_pos 0x000FFC0
+
+/* Bits 31,30,29 are bits 5,4,3 of h/w pointer position on later
+ Rev G EEPROMS and Rev 1.5 cards or later.
+*/
+
+#define RME9652_REV15_buf_pos(x) ((((x)&0xE0000000)>>26)|((x)&RME9652_buf_pos))
+
+/* amount of io space we remap for register access. i'm not sure we
+ even need this much, but 1K is nice round number :)
+*/
+
+#define RME9652_IO_EXTENT 1024
+
+#define RME9652_init_buffer 0
+#define RME9652_play_buffer 32 /* holds ptr to 26x64kBit host RAM */
+#define RME9652_rec_buffer 36 /* holds ptr to 26x64kBit host RAM */
+#define RME9652_control_register 64
+#define RME9652_irq_clear 96
+#define RME9652_time_code 100 /* useful if used with alesis adat */
+#define RME9652_thru_base 128 /* 132...228 Thru for 26 channels */
+
+/* Read-only registers */
+
+/* Writing to any of the register locations writes to the status
+ register. We'll use the first location as our point of access.
+*/
+
+#define RME9652_status_register 0
+
+/* --------- Control-Register Bits ---------------- */
+
+
+#define RME9652_start_bit (1<<0) /* start record/play */
+ /* bits 1-3 encode buffersize/latency */
+#define RME9652_Master (1<<4) /* Clock Mode Master=1,Slave/Auto=0 */
+#define RME9652_IE (1<<5) /* Interrupt Enable */
+#define RME9652_freq (1<<6) /* samplerate 0=44.1/88.2, 1=48/96 kHz */
+#define RME9652_freq1 (1<<7) /* if 0, 32kHz, else always 1 */
+#define RME9652_DS (1<<8) /* Doule Speed 0=44.1/48, 1=88.2/96 Khz */
+#define RME9652_PRO (1<<9) /* S/PDIF out: 0=consumer, 1=professional */
+#define RME9652_EMP (1<<10) /* Emphasis 0=None, 1=ON */
+#define RME9652_Dolby (1<<11) /* Non-audio bit 1=set, 0=unset */
+#define RME9652_opt_out (1<<12) /* Use 1st optical OUT as SPDIF: 1=yes,0=no */
+#define RME9652_wsel (1<<13) /* use Wordclock as sync (overwrites master) */
+#define RME9652_inp_0 (1<<14) /* SPDIF-IN: 00=optical (ADAT1), */
+#define RME9652_inp_1 (1<<15) /* 01=koaxial (Cinch), 10=Internal CDROM */
+#define RME9652_SyncPref_ADAT2 (1<<16)
+#define RME9652_SyncPref_ADAT3 (1<<17)
+#define RME9652_SPDIF_RESET (1<<18) /* Rev 1.5+: h/w S/PDIF receiver */
+#define RME9652_SPDIF_SELECT (1<<19)
+#define RME9652_SPDIF_CLOCK (1<<20)
+#define RME9652_SPDIF_WRITE (1<<21)
+#define RME9652_ADAT1_INTERNAL (1<<22) /* Rev 1.5+: if set, internal CD connector carries ADAT */
+
+/* buffersize = 512Bytes * 2^n, where n is made from Bit2 ... Bit0 */
+
+#define RME9652_latency 0x0e
+#define rme9652_encode_latency(x) (((x)&0x7)<<1)
+#define rme9652_decode_latency(x) (((x)>>1)&0x7)
+#define rme9652_running_double_speed(s) ((s)->control_register & RME9652_DS)
+#define RME9652_inp (RME9652_inp_0|RME9652_inp_1)
+#define rme9652_encode_spdif_in(x) (((x)&0x3)<<14)
+#define rme9652_decode_spdif_in(x) (((x)>>14)&0x3)
+
+#define RME9652_SyncPref_Mask (RME9652_SyncPref_ADAT2|RME9652_SyncPref_ADAT3)
+#define RME9652_SyncPref_ADAT1 0
+#define RME9652_SyncPref_SPDIF (RME9652_SyncPref_ADAT2|RME9652_SyncPref_ADAT3)
+
+/* the size of a substream (1 mono data stream) */
+
+#define RME9652_CHANNEL_BUFFER_SAMPLES (16*1024)
+#define RME9652_CHANNEL_BUFFER_BYTES (4*RME9652_CHANNEL_BUFFER_SAMPLES)
+
+/* the size of the area we need to allocate for DMA transfers. the
+ size is the same regardless of the number of channels - the
+ 9636 still uses the same memory area.
+
+ Note that we allocate 1 more channel than is apparently needed
+ because the h/w seems to write 1 byte beyond the end of the last
+ page. Sigh.
+*/
+
+#define RME9652_DMA_AREA_BYTES ((RME9652_NCHANNELS+1) * RME9652_CHANNEL_BUFFER_BYTES)
+#define RME9652_DMA_AREA_KILOBYTES (RME9652_DMA_AREA_BYTES/1024)
+
+struct snd_rme9652 {
+ int dev;
+
+ spinlock_t lock;
+ int irq;
+ unsigned long port;
+ void __iomem *iobase;
+
+ int precise_ptr;
+
+ u32 control_register; /* cached value */
+ u32 thru_bits; /* thru 1=on, 0=off channel 1=Bit1... channel 26= Bit26 */
+
+ u32 creg_spdif;
+ u32 creg_spdif_stream;
+
+ char *card_name; /* hammerfall or hammerfall light names */
+
+ size_t hw_offsetmask; /* &-with status register to get real hw_offset */
+ size_t prev_hw_offset; /* previous hw offset */
+ size_t max_jitter; /* maximum jitter in frames for
+ hw pointer */
+ size_t period_bytes; /* guess what this is */
+
+ unsigned char ds_channels;
+ unsigned char ss_channels; /* different for hammerfall/hammerfall-light */
+
+ struct snd_dma_buffer playback_dma_buf;
+ struct snd_dma_buffer capture_dma_buf;
+
+ unsigned char *capture_buffer; /* suitably aligned address */
+ unsigned char *playback_buffer; /* suitably aligned address */
+
+ pid_t capture_pid;
+ pid_t playback_pid;
+
+ struct snd_pcm_substream *capture_substream;
+ struct snd_pcm_substream *playback_substream;
+ int running;
+
+ int passthru; /* non-zero if doing pass-thru */
+ int hw_rev; /* h/w rev * 10 (i.e. 1.5 has hw_rev = 15) */
+
+ int last_spdif_sample_rate; /* so that we can catch externally ... */
+ int last_adat_sample_rate; /* ... induced rate changes */
+
+ char *channel_map;
+
+ struct snd_card *card;
+ struct snd_pcm *pcm;
+ struct pci_dev *pci;
+ struct snd_kcontrol *spdif_ctl;
+
+};
+
+/* These tables map the ALSA channels 1..N to the channels that we
+ need to use in order to find the relevant channel buffer. RME
+ refer to this kind of mapping as between "the ADAT channel and
+ the DMA channel." We index it using the logical audio channel,
+ and the value is the DMA channel (i.e. channel buffer number)
+ where the data for that channel can be read/written from/to.
+*/
+
+static char channel_map_9652_ss[26] = {
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
+ 18, 19, 20, 21, 22, 23, 24, 25
+};
+
+static char channel_map_9636_ss[26] = {
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ /* channels 16 and 17 are S/PDIF */
+ 24, 25,
+ /* channels 18-25 don't exist */
+ -1, -1, -1, -1, -1, -1, -1, -1
+};
+
+static char channel_map_9652_ds[26] = {
+ /* ADAT channels are remapped */
+ 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,
+ /* channels 12 and 13 are S/PDIF */
+ 24, 25,
+ /* others don't exist */
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+};
+
+static char channel_map_9636_ds[26] = {
+ /* ADAT channels are remapped */
+ 1, 3, 5, 7, 9, 11, 13, 15,
+ /* channels 8 and 9 are S/PDIF */
+ 24, 25,
+ /* others don't exist */
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+};
+
+static int snd_hammerfall_get_buffer(struct pci_dev *pci, struct snd_dma_buffer *dmab, size_t size)
+{
+ dmab->dev.type = SNDRV_DMA_TYPE_DEV;
+ dmab->dev.dev = snd_dma_pci_data(pci);
+ if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
+ size, dmab) < 0)
+ return -ENOMEM;
+ return 0;
+}
+
+static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_dev *pci)
+{
+ if (dmab->area)
+ snd_dma_free_pages(dmab);
+}
+
+
+static const struct pci_device_id snd_rme9652_ids[] = {
+ {
+ .vendor = 0x10ee,
+ .device = 0x3fc4,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ }, /* RME Digi9652 */
+ { 0, },
+};
+
+MODULE_DEVICE_TABLE(pci, snd_rme9652_ids);
+
+static inline void rme9652_write(struct snd_rme9652 *rme9652, int reg, int val)
+{
+ writel(val, rme9652->iobase + reg);
+}
+
+static inline unsigned int rme9652_read(struct snd_rme9652 *rme9652, int reg)
+{
+ return readl(rme9652->iobase + reg);
+}
+
+static inline int snd_rme9652_use_is_exclusive(struct snd_rme9652 *rme9652)
+{
+ unsigned long flags;
+ int ret = 1;
+
+ spin_lock_irqsave(&rme9652->lock, flags);
+ if ((rme9652->playback_pid != rme9652->capture_pid) &&
+ (rme9652->playback_pid >= 0) && (rme9652->capture_pid >= 0)) {
+ ret = 0;
+ }
+ spin_unlock_irqrestore(&rme9652->lock, flags);
+ return ret;
+}
+
+static inline int rme9652_adat_sample_rate(struct snd_rme9652 *rme9652)
+{
+ if (rme9652_running_double_speed(rme9652)) {
+ return (rme9652_read(rme9652, RME9652_status_register) &
+ RME9652_fs48) ? 96000 : 88200;
+ } else {
+ return (rme9652_read(rme9652, RME9652_status_register) &
+ RME9652_fs48) ? 48000 : 44100;
+ }
+}
+
+static inline void rme9652_compute_period_size(struct snd_rme9652 *rme9652)
+{
+ unsigned int i;
+
+ i = rme9652->control_register & RME9652_latency;
+ rme9652->period_bytes = 1 << ((rme9652_decode_latency(i) + 8));
+ rme9652->hw_offsetmask =
+ (rme9652->period_bytes * 2 - 1) & RME9652_buf_pos;
+ rme9652->max_jitter = 80;
+}
+
+static snd_pcm_uframes_t rme9652_hw_pointer(struct snd_rme9652 *rme9652)
+{
+ int status;
+ unsigned int offset, frag;
+ snd_pcm_uframes_t period_size = rme9652->period_bytes / 4;
+ snd_pcm_sframes_t delta;
+
+ status = rme9652_read(rme9652, RME9652_status_register);
+ if (!rme9652->precise_ptr)
+ return (status & RME9652_buffer_id) ? period_size : 0;
+ offset = status & RME9652_buf_pos;
+
+ /* The hardware may give a backward movement for up to 80 frames
+ Martin Kirst <martin.kirst@freenet.de> knows the details.
+ */
+
+ delta = rme9652->prev_hw_offset - offset;
+ delta &= 0xffff;
+ if (delta <= (snd_pcm_sframes_t)rme9652->max_jitter * 4)
+ offset = rme9652->prev_hw_offset;
+ else
+ rme9652->prev_hw_offset = offset;
+ offset &= rme9652->hw_offsetmask;
+ offset /= 4;
+ frag = status & RME9652_buffer_id;
+
+ if (offset < period_size) {
+ if (offset > rme9652->max_jitter) {
+ if (frag)
+ dev_err(rme9652->card->dev,
+ "Unexpected hw_pointer position (bufid == 0): status: %x offset: %d\n",
+ status, offset);
+ } else if (!frag)
+ return 0;
+ offset -= rme9652->max_jitter;
+ if ((int)offset < 0)
+ offset += period_size * 2;
+ } else {
+ if (offset > period_size + rme9652->max_jitter) {
+ if (!frag)
+ dev_err(rme9652->card->dev,
+ "Unexpected hw_pointer position (bufid == 1): status: %x offset: %d\n",
+ status, offset);
+ } else if (frag)
+ return period_size;
+ offset -= rme9652->max_jitter;
+ }
+
+ return offset;
+}
+
+static inline void rme9652_reset_hw_pointer(struct snd_rme9652 *rme9652)
+{
+ int i;
+
+ /* reset the FIFO pointer to zero. We do this by writing to 8
+ registers, each of which is a 32bit wide register, and set
+ them all to zero. Note that s->iobase is a pointer to
+ int32, not pointer to char.
+ */
+
+ for (i = 0; i < 8; i++) {
+ rme9652_write(rme9652, i * 4, 0);
+ udelay(10);
+ }
+ rme9652->prev_hw_offset = 0;
+}
+
+static inline void rme9652_start(struct snd_rme9652 *s)
+{
+ s->control_register |= (RME9652_IE | RME9652_start_bit);
+ rme9652_write(s, RME9652_control_register, s->control_register);
+}
+
+static inline void rme9652_stop(struct snd_rme9652 *s)
+{
+ s->control_register &= ~(RME9652_start_bit | RME9652_IE);
+ rme9652_write(s, RME9652_control_register, s->control_register);
+}
+
+static int rme9652_set_interrupt_interval(struct snd_rme9652 *s,
+ unsigned int frames)
+{
+ int restart = 0;
+ int n;
+
+ spin_lock_irq(&s->lock);
+
+ if ((restart = s->running)) {
+ rme9652_stop(s);
+ }
+
+ frames >>= 7;
+ n = 0;
+ while (frames) {
+ n++;
+ frames >>= 1;
+ }
+
+ s->control_register &= ~RME9652_latency;
+ s->control_register |= rme9652_encode_latency(n);
+
+ rme9652_write(s, RME9652_control_register, s->control_register);
+
+ rme9652_compute_period_size(s);
+
+ if (restart)
+ rme9652_start(s);
+
+ spin_unlock_irq(&s->lock);
+
+ return 0;
+}
+
+static int rme9652_set_rate(struct snd_rme9652 *rme9652, int rate)
+{
+ int restart;
+ int reject_if_open = 0;
+ int xrate;
+
+ if (!snd_rme9652_use_is_exclusive (rme9652)) {
+ return -EBUSY;
+ }
+
+ /* Changing from a "single speed" to a "double speed" rate is
+ not allowed if any substreams are open. This is because
+ such a change causes a shift in the location of
+ the DMA buffers and a reduction in the number of available
+ buffers.
+
+ Note that a similar but essentially insoluble problem
+ exists for externally-driven rate changes. All we can do
+ is to flag rate changes in the read/write routines.
+ */
+
+ spin_lock_irq(&rme9652->lock);
+ xrate = rme9652_adat_sample_rate(rme9652);
+
+ switch (rate) {
+ case 44100:
+ if (xrate > 48000) {
+ reject_if_open = 1;
+ }
+ rate = 0;
+ break;
+ case 48000:
+ if (xrate > 48000) {
+ reject_if_open = 1;
+ }
+ rate = RME9652_freq;
+ break;
+ case 88200:
+ if (xrate < 48000) {
+ reject_if_open = 1;
+ }
+ rate = RME9652_DS;
+ break;
+ case 96000:
+ if (xrate < 48000) {
+ reject_if_open = 1;
+ }
+ rate = RME9652_DS | RME9652_freq;
+ break;
+ default:
+ spin_unlock_irq(&rme9652->lock);
+ return -EINVAL;
+ }
+
+ if (reject_if_open && (rme9652->capture_pid >= 0 || rme9652->playback_pid >= 0)) {
+ spin_unlock_irq(&rme9652->lock);
+ return -EBUSY;
+ }
+
+ if ((restart = rme9652->running)) {
+ rme9652_stop(rme9652);
+ }
+ rme9652->control_register &= ~(RME9652_freq | RME9652_DS);
+ rme9652->control_register |= rate;
+ rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
+
+ if (restart) {
+ rme9652_start(rme9652);
+ }
+
+ if (rate & RME9652_DS) {
+ if (rme9652->ss_channels == RME9652_NCHANNELS) {
+ rme9652->channel_map = channel_map_9652_ds;
+ } else {
+ rme9652->channel_map = channel_map_9636_ds;
+ }
+ } else {
+ if (rme9652->ss_channels == RME9652_NCHANNELS) {
+ rme9652->channel_map = channel_map_9652_ss;
+ } else {
+ rme9652->channel_map = channel_map_9636_ss;
+ }
+ }
+
+ spin_unlock_irq(&rme9652->lock);
+ return 0;
+}
+
+static void rme9652_set_thru(struct snd_rme9652 *rme9652, int channel, int enable)
+{
+ int i;
+
+ rme9652->passthru = 0;
+
+ if (channel < 0) {
+
+ /* set thru for all channels */
+
+ if (enable) {
+ for (i = 0; i < RME9652_NCHANNELS; i++) {
+ rme9652->thru_bits |= (1 << i);
+ rme9652_write(rme9652, RME9652_thru_base + i * 4, 1);
+ }
+ } else {
+ for (i = 0; i < RME9652_NCHANNELS; i++) {
+ rme9652->thru_bits &= ~(1 << i);
+ rme9652_write(rme9652, RME9652_thru_base + i * 4, 0);
+ }
+ }
+
+ } else {
+ int mapped_channel;
+
+ mapped_channel = rme9652->channel_map[channel];
+
+ if (enable) {
+ rme9652->thru_bits |= (1 << mapped_channel);
+ } else {
+ rme9652->thru_bits &= ~(1 << mapped_channel);
+ }
+
+ rme9652_write(rme9652,
+ RME9652_thru_base + mapped_channel * 4,
+ enable ? 1 : 0);
+ }
+}
+
+static int rme9652_set_passthru(struct snd_rme9652 *rme9652, int onoff)
+{
+ if (onoff) {
+ rme9652_set_thru(rme9652, -1, 1);
+
+ /* we don't want interrupts, so do a
+ custom version of rme9652_start().
+ */
+
+ rme9652->control_register =
+ RME9652_inp_0 |
+ rme9652_encode_latency(7) |
+ RME9652_start_bit;
+
+ rme9652_reset_hw_pointer(rme9652);
+
+ rme9652_write(rme9652, RME9652_control_register,
+ rme9652->control_register);
+ rme9652->passthru = 1;
+ } else {
+ rme9652_set_thru(rme9652, -1, 0);
+ rme9652_stop(rme9652);
+ rme9652->passthru = 0;
+ }
+
+ return 0;
+}
+
+static void rme9652_spdif_set_bit (struct snd_rme9652 *rme9652, int mask, int onoff)
+{
+ if (onoff)
+ rme9652->control_register |= mask;
+ else
+ rme9652->control_register &= ~mask;
+
+ rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
+}
+
+static void rme9652_spdif_write_byte (struct snd_rme9652 *rme9652, const int val)
+{
+ long mask;
+ long i;
+
+ for (i = 0, mask = 0x80; i < 8; i++, mask >>= 1) {
+ if (val & mask)
+ rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_WRITE, 1);
+ else
+ rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_WRITE, 0);
+
+ rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 1);
+ rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 0);
+ }
+}
+
+static int rme9652_spdif_read_byte (struct snd_rme9652 *rme9652)
+{
+ long mask;
+ long val;
+ long i;
+
+ val = 0;
+
+ for (i = 0, mask = 0x80; i < 8; i++, mask >>= 1) {
+ rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 1);
+ if (rme9652_read (rme9652, RME9652_status_register) & RME9652_SPDIF_READ)
+ val |= mask;
+ rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_CLOCK, 0);
+ }
+
+ return val;
+}
+
+static void rme9652_write_spdif_codec (struct snd_rme9652 *rme9652, const int address, const int data)
+{
+ rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
+ rme9652_spdif_write_byte (rme9652, 0x20);
+ rme9652_spdif_write_byte (rme9652, address);
+ rme9652_spdif_write_byte (rme9652, data);
+ rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
+}
+
+
+static int rme9652_spdif_read_codec (struct snd_rme9652 *rme9652, const int address)
+{
+ int ret;
+
+ rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
+ rme9652_spdif_write_byte (rme9652, 0x20);
+ rme9652_spdif_write_byte (rme9652, address);
+ rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
+ rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 1);
+
+ rme9652_spdif_write_byte (rme9652, 0x21);
+ ret = rme9652_spdif_read_byte (rme9652);
+ rme9652_spdif_set_bit (rme9652, RME9652_SPDIF_SELECT, 0);
+
+ return ret;
+}
+
+static void rme9652_initialize_spdif_receiver (struct snd_rme9652 *rme9652)
+{
+ /* XXX what unsets this ? */
+
+ rme9652->control_register |= RME9652_SPDIF_RESET;
+
+ rme9652_write_spdif_codec (rme9652, 4, 0x40);
+ rme9652_write_spdif_codec (rme9652, 17, 0x13);
+ rme9652_write_spdif_codec (rme9652, 6, 0x02);
+}
+
+static inline int rme9652_spdif_sample_rate(struct snd_rme9652 *s)
+{
+ unsigned int rate_bits;
+
+ if (rme9652_read(s, RME9652_status_register) & RME9652_ERF) {
+ return -1; /* error condition */
+ }
+
+ if (s->hw_rev == 15) {
+
+ int x, y, ret;
+
+ x = rme9652_spdif_read_codec (s, 30);
+
+ if (x != 0)
+ y = 48000 * 64 / x;
+ else
+ y = 0;
+
+ if (y > 30400 && y < 33600) ret = 32000;
+ else if (y > 41900 && y < 46000) ret = 44100;
+ else if (y > 46000 && y < 50400) ret = 48000;
+ else if (y > 60800 && y < 67200) ret = 64000;
+ else if (y > 83700 && y < 92000) ret = 88200;
+ else if (y > 92000 && y < 100000) ret = 96000;
+ else ret = 0;
+ return ret;
+ }
+
+ rate_bits = rme9652_read(s, RME9652_status_register) & RME9652_F;
+
+ switch (rme9652_decode_spdif_rate(rate_bits)) {
+ case 0x7:
+ return 32000;
+ break;
+
+ case 0x6:
+ return 44100;
+ break;
+
+ case 0x5:
+ return 48000;
+ break;
+
+ case 0x4:
+ return 88200;
+ break;
+
+ case 0x3:
+ return 96000;
+ break;
+
+ case 0x0:
+ return 64000;
+ break;
+
+ default:
+ dev_err(s->card->dev,
+ "%s: unknown S/PDIF input rate (bits = 0x%x)\n",
+ s->card_name, rate_bits);
+ return 0;
+ break;
+ }
+}
+
+/*-----------------------------------------------------------------------------
+ Control Interface
+ ----------------------------------------------------------------------------*/
+
+static u32 snd_rme9652_convert_from_aes(struct snd_aes_iec958 *aes)
+{
+ u32 val = 0;
+ val |= (aes->status[0] & IEC958_AES0_PROFESSIONAL) ? RME9652_PRO : 0;
+ val |= (aes->status[0] & IEC958_AES0_NONAUDIO) ? RME9652_Dolby : 0;
+ if (val & RME9652_PRO)
+ val |= (aes->status[0] & IEC958_AES0_PRO_EMPHASIS_5015) ? RME9652_EMP : 0;
+ else
+ val |= (aes->status[0] & IEC958_AES0_CON_EMPHASIS_5015) ? RME9652_EMP : 0;
+ return val;
+}
+
+static void snd_rme9652_convert_to_aes(struct snd_aes_iec958 *aes, u32 val)
+{
+ aes->status[0] = ((val & RME9652_PRO) ? IEC958_AES0_PROFESSIONAL : 0) |
+ ((val & RME9652_Dolby) ? IEC958_AES0_NONAUDIO : 0);
+ if (val & RME9652_PRO)
+ aes->status[0] |= (val & RME9652_EMP) ? IEC958_AES0_PRO_EMPHASIS_5015 : 0;
+ else
+ aes->status[0] |= (val & RME9652_EMP) ? IEC958_AES0_CON_EMPHASIS_5015 : 0;
+}
+
+static int snd_rme9652_control_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+ uinfo->count = 1;
+ return 0;
+}
+
+static int snd_rme9652_control_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+
+ snd_rme9652_convert_to_aes(&ucontrol->value.iec958, rme9652->creg_spdif);
+ return 0;
+}
+
+static int snd_rme9652_control_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+ int change;
+ u32 val;
+
+ val = snd_rme9652_convert_from_aes(&ucontrol->value.iec958);
+ spin_lock_irq(&rme9652->lock);
+ change = val != rme9652->creg_spdif;
+ rme9652->creg_spdif = val;
+ spin_unlock_irq(&rme9652->lock);
+ return change;
+}
+
+static int snd_rme9652_control_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+ uinfo->count = 1;
+ return 0;
+}
+
+static int snd_rme9652_control_spdif_stream_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+
+ snd_rme9652_convert_to_aes(&ucontrol->value.iec958, rme9652->creg_spdif_stream);
+ return 0;
+}
+
+static int snd_rme9652_control_spdif_stream_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+ int change;
+ u32 val;
+
+ val = snd_rme9652_convert_from_aes(&ucontrol->value.iec958);
+ spin_lock_irq(&rme9652->lock);
+ change = val != rme9652->creg_spdif_stream;
+ rme9652->creg_spdif_stream = val;
+ rme9652->control_register &= ~(RME9652_PRO | RME9652_Dolby | RME9652_EMP);
+ rme9652_write(rme9652, RME9652_control_register, rme9652->control_register |= val);
+ spin_unlock_irq(&rme9652->lock);
+ return change;
+}
+
+static int snd_rme9652_control_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+ uinfo->count = 1;
+ return 0;
+}
+
+static int snd_rme9652_control_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.iec958.status[0] = kcontrol->private_value;
+ return 0;
+}
+
+#define RME9652_ADAT1_IN(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .info = snd_rme9652_info_adat1_in, \
+ .get = snd_rme9652_get_adat1_in, \
+ .put = snd_rme9652_put_adat1_in }
+
+static unsigned int rme9652_adat1_in(struct snd_rme9652 *rme9652)
+{
+ if (rme9652->control_register & RME9652_ADAT1_INTERNAL)
+ return 1;
+ return 0;
+}
+
+static int rme9652_set_adat1_input(struct snd_rme9652 *rme9652, int internal)
+{
+ int restart = 0;
+
+ if (internal) {
+ rme9652->control_register |= RME9652_ADAT1_INTERNAL;
+ } else {
+ rme9652->control_register &= ~RME9652_ADAT1_INTERNAL;
+ }
+
+ /* XXX do we actually need to stop the card when we do this ? */
+
+ if ((restart = rme9652->running)) {
+ rme9652_stop(rme9652);
+ }
+
+ rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
+
+ if (restart) {
+ rme9652_start(rme9652);
+ }
+
+ return 0;
+}
+
+static int snd_rme9652_info_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const texts[2] = {"ADAT1", "Internal"};
+
+ return snd_ctl_enum_info(uinfo, 1, 2, texts);
+}
+
+static int snd_rme9652_get_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme9652->lock);
+ ucontrol->value.enumerated.item[0] = rme9652_adat1_in(rme9652);
+ spin_unlock_irq(&rme9652->lock);
+ return 0;
+}
+
+static int snd_rme9652_put_adat1_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+ int change;
+ unsigned int val;
+
+ if (!snd_rme9652_use_is_exclusive(rme9652))
+ return -EBUSY;
+ val = ucontrol->value.enumerated.item[0] % 2;
+ spin_lock_irq(&rme9652->lock);
+ change = val != rme9652_adat1_in(rme9652);
+ if (change)
+ rme9652_set_adat1_input(rme9652, val);
+ spin_unlock_irq(&rme9652->lock);
+ return change;
+}
+
+#define RME9652_SPDIF_IN(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .info = snd_rme9652_info_spdif_in, \
+ .get = snd_rme9652_get_spdif_in, .put = snd_rme9652_put_spdif_in }
+
+static unsigned int rme9652_spdif_in(struct snd_rme9652 *rme9652)
+{
+ return rme9652_decode_spdif_in(rme9652->control_register &
+ RME9652_inp);
+}
+
+static int rme9652_set_spdif_input(struct snd_rme9652 *rme9652, int in)
+{
+ int restart = 0;
+
+ rme9652->control_register &= ~RME9652_inp;
+ rme9652->control_register |= rme9652_encode_spdif_in(in);
+
+ if ((restart = rme9652->running)) {
+ rme9652_stop(rme9652);
+ }
+
+ rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
+
+ if (restart) {
+ rme9652_start(rme9652);
+ }
+
+ return 0;
+}
+
+static int snd_rme9652_info_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const texts[3] = {"ADAT1", "Coaxial", "Internal"};
+
+ return snd_ctl_enum_info(uinfo, 1, 3, texts);
+}
+
+static int snd_rme9652_get_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme9652->lock);
+ ucontrol->value.enumerated.item[0] = rme9652_spdif_in(rme9652);
+ spin_unlock_irq(&rme9652->lock);
+ return 0;
+}
+
+static int snd_rme9652_put_spdif_in(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+ int change;
+ unsigned int val;
+
+ if (!snd_rme9652_use_is_exclusive(rme9652))
+ return -EBUSY;
+ val = ucontrol->value.enumerated.item[0] % 3;
+ spin_lock_irq(&rme9652->lock);
+ change = val != rme9652_spdif_in(rme9652);
+ if (change)
+ rme9652_set_spdif_input(rme9652, val);
+ spin_unlock_irq(&rme9652->lock);
+ return change;
+}
+
+#define RME9652_SPDIF_OUT(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .info = snd_rme9652_info_spdif_out, \
+ .get = snd_rme9652_get_spdif_out, .put = snd_rme9652_put_spdif_out }
+
+static int rme9652_spdif_out(struct snd_rme9652 *rme9652)
+{
+ return (rme9652->control_register & RME9652_opt_out) ? 1 : 0;
+}
+
+static int rme9652_set_spdif_output(struct snd_rme9652 *rme9652, int out)
+{
+ int restart = 0;
+
+ if (out) {
+ rme9652->control_register |= RME9652_opt_out;
+ } else {
+ rme9652->control_register &= ~RME9652_opt_out;
+ }
+
+ if ((restart = rme9652->running)) {
+ rme9652_stop(rme9652);
+ }
+
+ rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
+
+ if (restart) {
+ rme9652_start(rme9652);
+ }
+
+ return 0;
+}
+
+#define snd_rme9652_info_spdif_out snd_ctl_boolean_mono_info
+
+static int snd_rme9652_get_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme9652->lock);
+ ucontrol->value.integer.value[0] = rme9652_spdif_out(rme9652);
+ spin_unlock_irq(&rme9652->lock);
+ return 0;
+}
+
+static int snd_rme9652_put_spdif_out(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+ int change;
+ unsigned int val;
+
+ if (!snd_rme9652_use_is_exclusive(rme9652))
+ return -EBUSY;
+ val = ucontrol->value.integer.value[0] & 1;
+ spin_lock_irq(&rme9652->lock);
+ change = (int)val != rme9652_spdif_out(rme9652);
+ rme9652_set_spdif_output(rme9652, val);
+ spin_unlock_irq(&rme9652->lock);
+ return change;
+}
+
+#define RME9652_SYNC_MODE(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .info = snd_rme9652_info_sync_mode, \
+ .get = snd_rme9652_get_sync_mode, .put = snd_rme9652_put_sync_mode }
+
+static int rme9652_sync_mode(struct snd_rme9652 *rme9652)
+{
+ if (rme9652->control_register & RME9652_wsel) {
+ return 2;
+ } else if (rme9652->control_register & RME9652_Master) {
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+static int rme9652_set_sync_mode(struct snd_rme9652 *rme9652, int mode)
+{
+ int restart = 0;
+
+ switch (mode) {
+ case 0:
+ rme9652->control_register &=
+ ~(RME9652_Master | RME9652_wsel);
+ break;
+ case 1:
+ rme9652->control_register =
+ (rme9652->control_register & ~RME9652_wsel) | RME9652_Master;
+ break;
+ case 2:
+ rme9652->control_register |=
+ (RME9652_Master | RME9652_wsel);
+ break;
+ }
+
+ if ((restart = rme9652->running)) {
+ rme9652_stop(rme9652);
+ }
+
+ rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
+
+ if (restart) {
+ rme9652_start(rme9652);
+ }
+
+ return 0;
+}
+
+static int snd_rme9652_info_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const texts[3] = {
+ "AutoSync", "Master", "Word Clock"
+ };
+
+ return snd_ctl_enum_info(uinfo, 1, 3, texts);
+}
+
+static int snd_rme9652_get_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme9652->lock);
+ ucontrol->value.enumerated.item[0] = rme9652_sync_mode(rme9652);
+ spin_unlock_irq(&rme9652->lock);
+ return 0;
+}
+
+static int snd_rme9652_put_sync_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+ int change;
+ unsigned int val;
+
+ val = ucontrol->value.enumerated.item[0] % 3;
+ spin_lock_irq(&rme9652->lock);
+ change = (int)val != rme9652_sync_mode(rme9652);
+ rme9652_set_sync_mode(rme9652, val);
+ spin_unlock_irq(&rme9652->lock);
+ return change;
+}
+
+#define RME9652_SYNC_PREF(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .info = snd_rme9652_info_sync_pref, \
+ .get = snd_rme9652_get_sync_pref, .put = snd_rme9652_put_sync_pref }
+
+static int rme9652_sync_pref(struct snd_rme9652 *rme9652)
+{
+ switch (rme9652->control_register & RME9652_SyncPref_Mask) {
+ case RME9652_SyncPref_ADAT1:
+ return RME9652_SYNC_FROM_ADAT1;
+ case RME9652_SyncPref_ADAT2:
+ return RME9652_SYNC_FROM_ADAT2;
+ case RME9652_SyncPref_ADAT3:
+ return RME9652_SYNC_FROM_ADAT3;
+ case RME9652_SyncPref_SPDIF:
+ return RME9652_SYNC_FROM_SPDIF;
+ }
+ /* Not reachable */
+ return 0;
+}
+
+static int rme9652_set_sync_pref(struct snd_rme9652 *rme9652, int pref)
+{
+ int restart;
+
+ rme9652->control_register &= ~RME9652_SyncPref_Mask;
+ switch (pref) {
+ case RME9652_SYNC_FROM_ADAT1:
+ rme9652->control_register |= RME9652_SyncPref_ADAT1;
+ break;
+ case RME9652_SYNC_FROM_ADAT2:
+ rme9652->control_register |= RME9652_SyncPref_ADAT2;
+ break;
+ case RME9652_SYNC_FROM_ADAT3:
+ rme9652->control_register |= RME9652_SyncPref_ADAT3;
+ break;
+ case RME9652_SYNC_FROM_SPDIF:
+ rme9652->control_register |= RME9652_SyncPref_SPDIF;
+ break;
+ }
+
+ if ((restart = rme9652->running)) {
+ rme9652_stop(rme9652);
+ }
+
+ rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
+
+ if (restart) {
+ rme9652_start(rme9652);
+ }
+
+ return 0;
+}
+
+static int snd_rme9652_info_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const texts[4] = {
+ "IEC958 In", "ADAT1 In", "ADAT2 In", "ADAT3 In"
+ };
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+
+ return snd_ctl_enum_info(uinfo, 1,
+ rme9652->ss_channels == RME9652_NCHANNELS ? 4 : 3,
+ texts);
+}
+
+static int snd_rme9652_get_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme9652->lock);
+ ucontrol->value.enumerated.item[0] = rme9652_sync_pref(rme9652);
+ spin_unlock_irq(&rme9652->lock);
+ return 0;
+}
+
+static int snd_rme9652_put_sync_pref(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+ int change, max;
+ unsigned int val;
+
+ if (!snd_rme9652_use_is_exclusive(rme9652))
+ return -EBUSY;
+ max = rme9652->ss_channels == RME9652_NCHANNELS ? 4 : 3;
+ val = ucontrol->value.enumerated.item[0] % max;
+ spin_lock_irq(&rme9652->lock);
+ change = (int)val != rme9652_sync_pref(rme9652);
+ rme9652_set_sync_pref(rme9652, val);
+ spin_unlock_irq(&rme9652->lock);
+ return change;
+}
+
+static int snd_rme9652_info_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = rme9652->ss_channels;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int snd_rme9652_get_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+ unsigned int k;
+ u32 thru_bits = rme9652->thru_bits;
+
+ for (k = 0; k < rme9652->ss_channels; ++k) {
+ ucontrol->value.integer.value[k] = !!(thru_bits & (1 << k));
+ }
+ return 0;
+}
+
+static int snd_rme9652_put_thru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+ int change;
+ unsigned int chn;
+ u32 thru_bits = 0;
+
+ if (!snd_rme9652_use_is_exclusive(rme9652))
+ return -EBUSY;
+
+ for (chn = 0; chn < rme9652->ss_channels; ++chn) {
+ if (ucontrol->value.integer.value[chn])
+ thru_bits |= 1 << chn;
+ }
+
+ spin_lock_irq(&rme9652->lock);
+ change = thru_bits ^ rme9652->thru_bits;
+ if (change) {
+ for (chn = 0; chn < rme9652->ss_channels; ++chn) {
+ if (!(change & (1 << chn)))
+ continue;
+ rme9652_set_thru(rme9652,chn,thru_bits&(1<<chn));
+ }
+ }
+ spin_unlock_irq(&rme9652->lock);
+ return !!change;
+}
+
+#define RME9652_PASSTHRU(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .info = snd_rme9652_info_passthru, \
+ .put = snd_rme9652_put_passthru, \
+ .get = snd_rme9652_get_passthru }
+
+#define snd_rme9652_info_passthru snd_ctl_boolean_mono_info
+
+static int snd_rme9652_get_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme9652->lock);
+ ucontrol->value.integer.value[0] = rme9652->passthru;
+ spin_unlock_irq(&rme9652->lock);
+ return 0;
+}
+
+static int snd_rme9652_put_passthru(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+ int change;
+ unsigned int val;
+ int err = 0;
+
+ if (!snd_rme9652_use_is_exclusive(rme9652))
+ return -EBUSY;
+
+ val = ucontrol->value.integer.value[0] & 1;
+ spin_lock_irq(&rme9652->lock);
+ change = (ucontrol->value.integer.value[0] != rme9652->passthru);
+ if (change)
+ err = rme9652_set_passthru(rme9652, val);
+ spin_unlock_irq(&rme9652->lock);
+ return err ? err : change;
+}
+
+/* Read-only switches */
+
+#define RME9652_SPDIF_RATE(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
+ .info = snd_rme9652_info_spdif_rate, \
+ .get = snd_rme9652_get_spdif_rate }
+
+static int snd_rme9652_info_spdif_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 96000;
+ return 0;
+}
+
+static int snd_rme9652_get_spdif_rate(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+
+ spin_lock_irq(&rme9652->lock);
+ ucontrol->value.integer.value[0] = rme9652_spdif_sample_rate(rme9652);
+ spin_unlock_irq(&rme9652->lock);
+ return 0;
+}
+
+#define RME9652_ADAT_SYNC(xname, xindex, xidx) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
+ .info = snd_rme9652_info_adat_sync, \
+ .get = snd_rme9652_get_adat_sync, .private_value = xidx }
+
+static int snd_rme9652_info_adat_sync(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const texts[4] = {
+ "No Lock", "Lock", "No Lock Sync", "Lock Sync"
+ };
+
+ return snd_ctl_enum_info(uinfo, 1, 4, texts);
+}
+
+static int snd_rme9652_get_adat_sync(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+ unsigned int mask1, mask2, val;
+
+ switch (kcontrol->private_value) {
+ case 0: mask1 = RME9652_lock_0; mask2 = RME9652_sync_0; break;
+ case 1: mask1 = RME9652_lock_1; mask2 = RME9652_sync_1; break;
+ case 2: mask1 = RME9652_lock_2; mask2 = RME9652_sync_2; break;
+ default: return -EINVAL;
+ }
+ val = rme9652_read(rme9652, RME9652_status_register);
+ ucontrol->value.enumerated.item[0] = (val & mask1) ? 1 : 0;
+ ucontrol->value.enumerated.item[0] |= (val & mask2) ? 2 : 0;
+ return 0;
+}
+
+#define RME9652_TC_VALID(xname, xindex) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
+ .info = snd_rme9652_info_tc_valid, \
+ .get = snd_rme9652_get_tc_valid }
+
+#define snd_rme9652_info_tc_valid snd_ctl_boolean_mono_info
+
+static int snd_rme9652_get_tc_valid(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_rme9652 *rme9652 = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.integer.value[0] =
+ (rme9652_read(rme9652, RME9652_status_register) & RME9652_tc_valid) ? 1 : 0;
+ return 0;
+}
+
+#ifdef ALSA_HAS_STANDARD_WAY_OF_RETURNING_TIMECODE
+
+/* FIXME: this routine needs a port to the new control API --jk */
+
+static int snd_rme9652_get_tc_value(void *private_data,
+ snd_kswitch_t *kswitch,
+ snd_switch_t *uswitch)
+{
+ struct snd_rme9652 *s = (struct snd_rme9652 *) private_data;
+ u32 value;
+ int i;
+
+ uswitch->type = SNDRV_SW_TYPE_DWORD;
+
+ if ((rme9652_read(s, RME9652_status_register) &
+ RME9652_tc_valid) == 0) {
+ uswitch->value.data32[0] = 0;
+ return 0;
+ }
+
+ /* timecode request */
+
+ rme9652_write(s, RME9652_time_code, 0);
+
+ /* XXX bug alert: loop-based timing !!!! */
+
+ for (i = 0; i < 50; i++) {
+ if (!(rme9652_read(s, i * 4) & RME9652_tc_busy))
+ break;
+ }
+
+ if (!(rme9652_read(s, i * 4) & RME9652_tc_busy)) {
+ return -EIO;
+ }
+
+ value = 0;
+
+ for (i = 0; i < 32; i++) {
+ value >>= 1;
+
+ if (rme9652_read(s, i * 4) & RME9652_tc_out)
+ value |= 0x80000000;
+ }
+
+ if (value > 2 * 60 * 48000) {
+ value -= 2 * 60 * 48000;
+ } else {
+ value = 0;
+ }
+
+ uswitch->value.data32[0] = value;
+
+ return 0;
+}
+
+#endif /* ALSA_HAS_STANDARD_WAY_OF_RETURNING_TIMECODE */
+
+static struct snd_kcontrol_new snd_rme9652_controls[] = {
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+ .info = snd_rme9652_control_spdif_info,
+ .get = snd_rme9652_control_spdif_get,
+ .put = snd_rme9652_control_spdif_put,
+},
+{
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
+ .info = snd_rme9652_control_spdif_stream_info,
+ .get = snd_rme9652_control_spdif_stream_get,
+ .put = snd_rme9652_control_spdif_stream_put,
+},
+{
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
+ .info = snd_rme9652_control_spdif_mask_info,
+ .get = snd_rme9652_control_spdif_mask_get,
+ .private_value = IEC958_AES0_NONAUDIO |
+ IEC958_AES0_PROFESSIONAL |
+ IEC958_AES0_CON_EMPHASIS,
+},
+{
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
+ .info = snd_rme9652_control_spdif_mask_info,
+ .get = snd_rme9652_control_spdif_mask_get,
+ .private_value = IEC958_AES0_NONAUDIO |
+ IEC958_AES0_PROFESSIONAL |
+ IEC958_AES0_PRO_EMPHASIS,
+},
+RME9652_SPDIF_IN("IEC958 Input Connector", 0),
+RME9652_SPDIF_OUT("IEC958 Output also on ADAT1", 0),
+RME9652_SYNC_MODE("Sync Mode", 0),
+RME9652_SYNC_PREF("Preferred Sync Source", 0),
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Channels Thru",
+ .index = 0,
+ .info = snd_rme9652_info_thru,
+ .get = snd_rme9652_get_thru,
+ .put = snd_rme9652_put_thru,
+},
+RME9652_SPDIF_RATE("IEC958 Sample Rate", 0),
+RME9652_ADAT_SYNC("ADAT1 Sync Check", 0, 0),
+RME9652_ADAT_SYNC("ADAT2 Sync Check", 0, 1),
+RME9652_TC_VALID("Timecode Valid", 0),
+RME9652_PASSTHRU("Passthru", 0)
+};
+
+static struct snd_kcontrol_new snd_rme9652_adat3_check =
+RME9652_ADAT_SYNC("ADAT3 Sync Check", 0, 2);
+
+static struct snd_kcontrol_new snd_rme9652_adat1_input =
+RME9652_ADAT1_IN("ADAT1 Input Source", 0);
+
+static int snd_rme9652_create_controls(struct snd_card *card, struct snd_rme9652 *rme9652)
+{
+ unsigned int idx;
+ int err;
+ struct snd_kcontrol *kctl;
+
+ for (idx = 0; idx < ARRAY_SIZE(snd_rme9652_controls); idx++) {
+ if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_controls[idx], rme9652))) < 0)
+ return err;
+ if (idx == 1) /* IEC958 (S/PDIF) Stream */
+ rme9652->spdif_ctl = kctl;
+ }
+
+ if (rme9652->ss_channels == RME9652_NCHANNELS)
+ if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_adat3_check, rme9652))) < 0)
+ return err;
+
+ if (rme9652->hw_rev >= 15)
+ if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_rme9652_adat1_input, rme9652))) < 0)
+ return err;
+
+ return 0;
+}
+
+/*------------------------------------------------------------
+ /proc interface
+ ------------------------------------------------------------*/
+
+static void
+snd_rme9652_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
+{
+ struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) entry->private_data;
+ u32 thru_bits = rme9652->thru_bits;
+ int show_auto_sync_source = 0;
+ int i;
+ unsigned int status;
+ int x;
+
+ status = rme9652_read(rme9652, RME9652_status_register);
+
+ snd_iprintf(buffer, "%s (Card #%d)\n", rme9652->card_name, rme9652->card->number + 1);
+ snd_iprintf(buffer, "Buffers: capture %p playback %p\n",
+ rme9652->capture_buffer, rme9652->playback_buffer);
+ snd_iprintf(buffer, "IRQ: %d Registers bus: 0x%lx VM: 0x%lx\n",
+ rme9652->irq, rme9652->port, (unsigned long)rme9652->iobase);
+ snd_iprintf(buffer, "Control register: %x\n", rme9652->control_register);
+
+ snd_iprintf(buffer, "\n");
+
+ x = 1 << (6 + rme9652_decode_latency(rme9652->control_register &
+ RME9652_latency));
+
+ snd_iprintf(buffer, "Latency: %d samples (2 periods of %lu bytes)\n",
+ x, (unsigned long) rme9652->period_bytes);
+ snd_iprintf(buffer, "Hardware pointer (frames): %ld\n",
+ rme9652_hw_pointer(rme9652));
+ snd_iprintf(buffer, "Passthru: %s\n",
+ rme9652->passthru ? "yes" : "no");
+
+ if ((rme9652->control_register & (RME9652_Master | RME9652_wsel)) == 0) {
+ snd_iprintf(buffer, "Clock mode: autosync\n");
+ show_auto_sync_source = 1;
+ } else if (rme9652->control_register & RME9652_wsel) {
+ if (status & RME9652_wsel_rd) {
+ snd_iprintf(buffer, "Clock mode: word clock\n");
+ } else {
+ snd_iprintf(buffer, "Clock mode: word clock (no signal)\n");
+ }
+ } else {
+ snd_iprintf(buffer, "Clock mode: master\n");
+ }
+
+ if (show_auto_sync_source) {
+ switch (rme9652->control_register & RME9652_SyncPref_Mask) {
+ case RME9652_SyncPref_ADAT1:
+ snd_iprintf(buffer, "Pref. sync source: ADAT1\n");
+ break;
+ case RME9652_SyncPref_ADAT2:
+ snd_iprintf(buffer, "Pref. sync source: ADAT2\n");
+ break;
+ case RME9652_SyncPref_ADAT3:
+ snd_iprintf(buffer, "Pref. sync source: ADAT3\n");
+ break;
+ case RME9652_SyncPref_SPDIF:
+ snd_iprintf(buffer, "Pref. sync source: IEC958\n");
+ break;
+ default:
+ snd_iprintf(buffer, "Pref. sync source: ???\n");
+ }
+ }
+
+ if (rme9652->hw_rev >= 15)
+ snd_iprintf(buffer, "\nADAT1 Input source: %s\n",
+ (rme9652->control_register & RME9652_ADAT1_INTERNAL) ?
+ "Internal" : "ADAT1 optical");
+
+ snd_iprintf(buffer, "\n");
+
+ switch (rme9652_decode_spdif_in(rme9652->control_register &
+ RME9652_inp)) {
+ case RME9652_SPDIFIN_OPTICAL:
+ snd_iprintf(buffer, "IEC958 input: ADAT1\n");
+ break;
+ case RME9652_SPDIFIN_COAXIAL:
+ snd_iprintf(buffer, "IEC958 input: Coaxial\n");
+ break;
+ case RME9652_SPDIFIN_INTERN:
+ snd_iprintf(buffer, "IEC958 input: Internal\n");
+ break;
+ default:
+ snd_iprintf(buffer, "IEC958 input: ???\n");
+ break;
+ }
+
+ if (rme9652->control_register & RME9652_opt_out) {
+ snd_iprintf(buffer, "IEC958 output: Coaxial & ADAT1\n");
+ } else {
+ snd_iprintf(buffer, "IEC958 output: Coaxial only\n");
+ }
+
+ if (rme9652->control_register & RME9652_PRO) {
+ snd_iprintf(buffer, "IEC958 quality: Professional\n");
+ } else {
+ snd_iprintf(buffer, "IEC958 quality: Consumer\n");
+ }
+
+ if (rme9652->control_register & RME9652_EMP) {
+ snd_iprintf(buffer, "IEC958 emphasis: on\n");
+ } else {
+ snd_iprintf(buffer, "IEC958 emphasis: off\n");
+ }
+
+ if (rme9652->control_register & RME9652_Dolby) {
+ snd_iprintf(buffer, "IEC958 Dolby: on\n");
+ } else {
+ snd_iprintf(buffer, "IEC958 Dolby: off\n");
+ }
+
+ i = rme9652_spdif_sample_rate(rme9652);
+
+ if (i < 0) {
+ snd_iprintf(buffer,
+ "IEC958 sample rate: error flag set\n");
+ } else if (i == 0) {
+ snd_iprintf(buffer, "IEC958 sample rate: undetermined\n");
+ } else {
+ snd_iprintf(buffer, "IEC958 sample rate: %d\n", i);
+ }
+
+ snd_iprintf(buffer, "\n");
+
+ snd_iprintf(buffer, "ADAT Sample rate: %dHz\n",
+ rme9652_adat_sample_rate(rme9652));
+
+ /* Sync Check */
+
+ x = status & RME9652_sync_0;
+ if (status & RME9652_lock_0) {
+ snd_iprintf(buffer, "ADAT1: %s\n", x ? "Sync" : "Lock");
+ } else {
+ snd_iprintf(buffer, "ADAT1: No Lock\n");
+ }
+
+ x = status & RME9652_sync_1;
+ if (status & RME9652_lock_1) {
+ snd_iprintf(buffer, "ADAT2: %s\n", x ? "Sync" : "Lock");
+ } else {
+ snd_iprintf(buffer, "ADAT2: No Lock\n");
+ }
+
+ x = status & RME9652_sync_2;
+ if (status & RME9652_lock_2) {
+ snd_iprintf(buffer, "ADAT3: %s\n", x ? "Sync" : "Lock");
+ } else {
+ snd_iprintf(buffer, "ADAT3: No Lock\n");
+ }
+
+ snd_iprintf(buffer, "\n");
+
+ snd_iprintf(buffer, "Timecode signal: %s\n",
+ (status & RME9652_tc_valid) ? "yes" : "no");
+
+ /* thru modes */
+
+ snd_iprintf(buffer, "Punch Status:\n\n");
+
+ for (i = 0; i < rme9652->ss_channels; i++) {
+ if (thru_bits & (1 << i)) {
+ snd_iprintf(buffer, "%2d: on ", i + 1);
+ } else {
+ snd_iprintf(buffer, "%2d: off ", i + 1);
+ }
+
+ if (((i + 1) % 8) == 0) {
+ snd_iprintf(buffer, "\n");
+ }
+ }
+
+ snd_iprintf(buffer, "\n");
+}
+
+static void snd_rme9652_proc_init(struct snd_rme9652 *rme9652)
+{
+ struct snd_info_entry *entry;
+
+ if (! snd_card_proc_new(rme9652->card, "rme9652", &entry))
+ snd_info_set_text_ops(entry, rme9652, snd_rme9652_proc_read);
+}
+
+static void snd_rme9652_free_buffers(struct snd_rme9652 *rme9652)
+{
+ snd_hammerfall_free_buffer(&rme9652->capture_dma_buf, rme9652->pci);
+ snd_hammerfall_free_buffer(&rme9652->playback_dma_buf, rme9652->pci);
+}
+
+static int snd_rme9652_free(struct snd_rme9652 *rme9652)
+{
+ if (rme9652->irq >= 0)
+ rme9652_stop(rme9652);
+ snd_rme9652_free_buffers(rme9652);
+
+ if (rme9652->irq >= 0)
+ free_irq(rme9652->irq, (void *)rme9652);
+ iounmap(rme9652->iobase);
+ if (rme9652->port)
+ pci_release_regions(rme9652->pci);
+
+ pci_disable_device(rme9652->pci);
+ return 0;
+}
+
+static int snd_rme9652_initialize_memory(struct snd_rme9652 *rme9652)
+{
+ unsigned long pb_bus, cb_bus;
+
+ if (snd_hammerfall_get_buffer(rme9652->pci, &rme9652->capture_dma_buf, RME9652_DMA_AREA_BYTES) < 0 ||
+ snd_hammerfall_get_buffer(rme9652->pci, &rme9652->playback_dma_buf, RME9652_DMA_AREA_BYTES) < 0) {
+ if (rme9652->capture_dma_buf.area)
+ snd_dma_free_pages(&rme9652->capture_dma_buf);
+ dev_err(rme9652->card->dev,
+ "%s: no buffers available\n", rme9652->card_name);
+ return -ENOMEM;
+ }
+
+ /* Align to bus-space 64K boundary */
+
+ cb_bus = ALIGN(rme9652->capture_dma_buf.addr, 0x10000ul);
+ pb_bus = ALIGN(rme9652->playback_dma_buf.addr, 0x10000ul);
+
+ /* Tell the card where it is */
+
+ rme9652_write(rme9652, RME9652_rec_buffer, cb_bus);
+ rme9652_write(rme9652, RME9652_play_buffer, pb_bus);
+
+ rme9652->capture_buffer = rme9652->capture_dma_buf.area + (cb_bus - rme9652->capture_dma_buf.addr);
+ rme9652->playback_buffer = rme9652->playback_dma_buf.area + (pb_bus - rme9652->playback_dma_buf.addr);
+
+ return 0;
+}
+
+static void snd_rme9652_set_defaults(struct snd_rme9652 *rme9652)
+{
+ unsigned int k;
+
+ /* ASSUMPTION: rme9652->lock is either held, or
+ there is no need to hold it (e.g. during module
+ initialization).
+ */
+
+ /* set defaults:
+
+ SPDIF Input via Coax
+ autosync clock mode
+ maximum latency (7 = 8192 samples, 64Kbyte buffer,
+ which implies 2 4096 sample, 32Kbyte periods).
+
+ if rev 1.5, initialize the S/PDIF receiver.
+
+ */
+
+ rme9652->control_register =
+ RME9652_inp_0 | rme9652_encode_latency(7);
+
+ rme9652_write(rme9652, RME9652_control_register, rme9652->control_register);
+
+ rme9652_reset_hw_pointer(rme9652);
+ rme9652_compute_period_size(rme9652);
+
+ /* default: thru off for all channels */
+
+ for (k = 0; k < RME9652_NCHANNELS; ++k)
+ rme9652_write(rme9652, RME9652_thru_base + k * 4, 0);
+
+ rme9652->thru_bits = 0;
+ rme9652->passthru = 0;
+
+ /* set a default rate so that the channel map is set up */
+
+ rme9652_set_rate(rme9652, 48000);
+}
+
+static irqreturn_t snd_rme9652_interrupt(int irq, void *dev_id)
+{
+ struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) dev_id;
+
+ if (!(rme9652_read(rme9652, RME9652_status_register) & RME9652_IRQ)) {
+ return IRQ_NONE;
+ }
+
+ rme9652_write(rme9652, RME9652_irq_clear, 0);
+
+ if (rme9652->capture_substream) {
+ snd_pcm_period_elapsed(rme9652->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
+ }
+
+ if (rme9652->playback_substream) {
+ snd_pcm_period_elapsed(rme9652->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
+ }
+ return IRQ_HANDLED;
+}
+
+static snd_pcm_uframes_t snd_rme9652_hw_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+ return rme9652_hw_pointer(rme9652);
+}
+
+static char *rme9652_channel_buffer_location(struct snd_rme9652 *rme9652,
+ int stream,
+ int channel)
+
+{
+ int mapped_channel;
+
+ if (snd_BUG_ON(channel < 0 || channel >= RME9652_NCHANNELS))
+ return NULL;
+
+ if ((mapped_channel = rme9652->channel_map[channel]) < 0) {
+ return NULL;
+ }
+
+ if (stream == SNDRV_PCM_STREAM_CAPTURE) {
+ return rme9652->capture_buffer +
+ (mapped_channel * RME9652_CHANNEL_BUFFER_BYTES);
+ } else {
+ return rme9652->playback_buffer +
+ (mapped_channel * RME9652_CHANNEL_BUFFER_BYTES);
+ }
+}
+
+static int snd_rme9652_playback_copy(struct snd_pcm_substream *substream, int channel,
+ snd_pcm_uframes_t pos, void __user *src, snd_pcm_uframes_t count)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+ char *channel_buf;
+
+ if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES / 4))
+ return -EINVAL;
+
+ channel_buf = rme9652_channel_buffer_location (rme9652,
+ substream->pstr->stream,
+ channel);
+ if (snd_BUG_ON(!channel_buf))
+ return -EIO;
+ if (copy_from_user(channel_buf + pos * 4, src, count * 4))
+ return -EFAULT;
+ return count;
+}
+
+static int snd_rme9652_capture_copy(struct snd_pcm_substream *substream, int channel,
+ snd_pcm_uframes_t pos, void __user *dst, snd_pcm_uframes_t count)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+ char *channel_buf;
+
+ if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES / 4))
+ return -EINVAL;
+
+ channel_buf = rme9652_channel_buffer_location (rme9652,
+ substream->pstr->stream,
+ channel);
+ if (snd_BUG_ON(!channel_buf))
+ return -EIO;
+ if (copy_to_user(dst, channel_buf + pos * 4, count * 4))
+ return -EFAULT;
+ return count;
+}
+
+static int snd_rme9652_hw_silence(struct snd_pcm_substream *substream, int channel,
+ snd_pcm_uframes_t pos, snd_pcm_uframes_t count)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+ char *channel_buf;
+
+ channel_buf = rme9652_channel_buffer_location (rme9652,
+ substream->pstr->stream,
+ channel);
+ if (snd_BUG_ON(!channel_buf))
+ return -EIO;
+ memset(channel_buf + pos * 4, 0, count * 4);
+ return count;
+}
+
+static int snd_rme9652_reset(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_substream *other;
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ other = rme9652->capture_substream;
+ else
+ other = rme9652->playback_substream;
+ if (rme9652->running)
+ runtime->status->hw_ptr = rme9652_hw_pointer(rme9652);
+ else
+ runtime->status->hw_ptr = 0;
+ if (other) {
+ struct snd_pcm_substream *s;
+ struct snd_pcm_runtime *oruntime = other->runtime;
+ snd_pcm_group_for_each_entry(s, substream) {
+ if (s == other) {
+ oruntime->status->hw_ptr = runtime->status->hw_ptr;
+ break;
+ }
+ }
+ }
+ return 0;
+}
+
+static int snd_rme9652_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+ int err;
+ pid_t this_pid;
+ pid_t other_pid;
+
+ spin_lock_irq(&rme9652->lock);
+
+ if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ rme9652->control_register &= ~(RME9652_PRO | RME9652_Dolby | RME9652_EMP);
+ rme9652_write(rme9652, RME9652_control_register, rme9652->control_register |= rme9652->creg_spdif_stream);
+ this_pid = rme9652->playback_pid;
+ other_pid = rme9652->capture_pid;
+ } else {
+ this_pid = rme9652->capture_pid;
+ other_pid = rme9652->playback_pid;
+ }
+
+ if ((other_pid > 0) && (this_pid != other_pid)) {
+
+ /* The other stream is open, and not by the same
+ task as this one. Make sure that the parameters
+ that matter are the same.
+ */
+
+ if ((int)params_rate(params) !=
+ rme9652_adat_sample_rate(rme9652)) {
+ spin_unlock_irq(&rme9652->lock);
+ _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
+ return -EBUSY;
+ }
+
+ if (params_period_size(params) != rme9652->period_bytes / 4) {
+ spin_unlock_irq(&rme9652->lock);
+ _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
+ return -EBUSY;
+ }
+
+ /* We're fine. */
+
+ spin_unlock_irq(&rme9652->lock);
+ return 0;
+
+ } else {
+ spin_unlock_irq(&rme9652->lock);
+ }
+
+ /* how to make sure that the rate matches an externally-set one ?
+ */
+
+ if ((err = rme9652_set_rate(rme9652, params_rate(params))) < 0) {
+ _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
+ return err;
+ }
+
+ if ((err = rme9652_set_interrupt_interval(rme9652, params_period_size(params))) < 0) {
+ _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
+ return err;
+ }
+
+ return 0;
+}
+
+static int snd_rme9652_channel_info(struct snd_pcm_substream *substream,
+ struct snd_pcm_channel_info *info)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+ int chn;
+
+ if (snd_BUG_ON(info->channel >= RME9652_NCHANNELS))
+ return -EINVAL;
+
+ if ((chn = rme9652->channel_map[info->channel]) < 0) {
+ return -EINVAL;
+ }
+
+ info->offset = chn * RME9652_CHANNEL_BUFFER_BYTES;
+ info->first = 0;
+ info->step = 32;
+ return 0;
+}
+
+static int snd_rme9652_ioctl(struct snd_pcm_substream *substream,
+ unsigned int cmd, void *arg)
+{
+ switch (cmd) {
+ case SNDRV_PCM_IOCTL1_RESET:
+ {
+ return snd_rme9652_reset(substream);
+ }
+ case SNDRV_PCM_IOCTL1_CHANNEL_INFO:
+ {
+ struct snd_pcm_channel_info *info = arg;
+ return snd_rme9652_channel_info(substream, info);
+ }
+ default:
+ break;
+ }
+
+ return snd_pcm_lib_ioctl(substream, cmd, arg);
+}
+
+static void rme9652_silence_playback(struct snd_rme9652 *rme9652)
+{
+ memset(rme9652->playback_buffer, 0, RME9652_DMA_AREA_BYTES);
+}
+
+static int snd_rme9652_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_substream *other;
+ int running;
+ spin_lock(&rme9652->lock);
+ running = rme9652->running;
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ running |= 1 << substream->stream;
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ running &= ~(1 << substream->stream);
+ break;
+ default:
+ snd_BUG();
+ spin_unlock(&rme9652->lock);
+ return -EINVAL;
+ }
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ other = rme9652->capture_substream;
+ else
+ other = rme9652->playback_substream;
+
+ if (other) {
+ struct snd_pcm_substream *s;
+ snd_pcm_group_for_each_entry(s, substream) {
+ if (s == other) {
+ snd_pcm_trigger_done(s, substream);
+ if (cmd == SNDRV_PCM_TRIGGER_START)
+ running |= 1 << s->stream;
+ else
+ running &= ~(1 << s->stream);
+ goto _ok;
+ }
+ }
+ if (cmd == SNDRV_PCM_TRIGGER_START) {
+ if (!(running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) &&
+ substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ rme9652_silence_playback(rme9652);
+ } else {
+ if (running &&
+ substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ rme9652_silence_playback(rme9652);
+ }
+ } else {
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ rme9652_silence_playback(rme9652);
+ }
+ _ok:
+ snd_pcm_trigger_done(substream, substream);
+ if (!rme9652->running && running)
+ rme9652_start(rme9652);
+ else if (rme9652->running && !running)
+ rme9652_stop(rme9652);
+ rme9652->running = running;
+ spin_unlock(&rme9652->lock);
+
+ return 0;
+}
+
+static int snd_rme9652_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+ unsigned long flags;
+ int result = 0;
+
+ spin_lock_irqsave(&rme9652->lock, flags);
+ if (!rme9652->running)
+ rme9652_reset_hw_pointer(rme9652);
+ spin_unlock_irqrestore(&rme9652->lock, flags);
+ return result;
+}
+
+static struct snd_pcm_hardware snd_rme9652_playback_subinfo =
+{
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_NONINTERLEAVED |
+ SNDRV_PCM_INFO_SYNC_START |
+ SNDRV_PCM_INFO_DOUBLE),
+ .formats = SNDRV_PCM_FMTBIT_S32_LE,
+ .rates = (SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_88200 |
+ SNDRV_PCM_RATE_96000),
+ .rate_min = 44100,
+ .rate_max = 96000,
+ .channels_min = 10,
+ .channels_max = 26,
+ .buffer_bytes_max = RME9652_CHANNEL_BUFFER_BYTES * 26,
+ .period_bytes_min = (64 * 4) * 10,
+ .period_bytes_max = (8192 * 4) * 26,
+ .periods_min = 2,
+ .periods_max = 2,
+ .fifo_size = 0,
+};
+
+static struct snd_pcm_hardware snd_rme9652_capture_subinfo =
+{
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_NONINTERLEAVED |
+ SNDRV_PCM_INFO_SYNC_START),
+ .formats = SNDRV_PCM_FMTBIT_S32_LE,
+ .rates = (SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_88200 |
+ SNDRV_PCM_RATE_96000),
+ .rate_min = 44100,
+ .rate_max = 96000,
+ .channels_min = 10,
+ .channels_max = 26,
+ .buffer_bytes_max = RME9652_CHANNEL_BUFFER_BYTES *26,
+ .period_bytes_min = (64 * 4) * 10,
+ .period_bytes_max = (8192 * 4) * 26,
+ .periods_min = 2,
+ .periods_max = 2,
+ .fifo_size = 0,
+};
+
+static unsigned int period_sizes[] = { 64, 128, 256, 512, 1024, 2048, 4096, 8192 };
+
+static struct snd_pcm_hw_constraint_list hw_constraints_period_sizes = {
+ .count = ARRAY_SIZE(period_sizes),
+ .list = period_sizes,
+ .mask = 0
+};
+
+static int snd_rme9652_hw_rule_channels(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
+{
+ struct snd_rme9652 *rme9652 = rule->private;
+ struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+ unsigned int list[2] = { rme9652->ds_channels, rme9652->ss_channels };
+ return snd_interval_list(c, 2, list, 0);
+}
+
+static int snd_rme9652_hw_rule_channels_rate(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
+{
+ struct snd_rme9652 *rme9652 = rule->private;
+ struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+ struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
+ if (r->min > 48000) {
+ struct snd_interval t = {
+ .min = rme9652->ds_channels,
+ .max = rme9652->ds_channels,
+ .integer = 1,
+ };
+ return snd_interval_refine(c, &t);
+ } else if (r->max < 88200) {
+ struct snd_interval t = {
+ .min = rme9652->ss_channels,
+ .max = rme9652->ss_channels,
+ .integer = 1,
+ };
+ return snd_interval_refine(c, &t);
+ }
+ return 0;
+}
+
+static int snd_rme9652_hw_rule_rate_channels(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
+{
+ struct snd_rme9652 *rme9652 = rule->private;
+ struct snd_interval *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+ struct snd_interval *r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
+ if (c->min >= rme9652->ss_channels) {
+ struct snd_interval t = {
+ .min = 44100,
+ .max = 48000,
+ .integer = 1,
+ };
+ return snd_interval_refine(r, &t);
+ } else if (c->max <= rme9652->ds_channels) {
+ struct snd_interval t = {
+ .min = 88200,
+ .max = 96000,
+ .integer = 1,
+ };
+ return snd_interval_refine(r, &t);
+ }
+ return 0;
+}
+
+static int snd_rme9652_playback_open(struct snd_pcm_substream *substream)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ spin_lock_irq(&rme9652->lock);
+
+ snd_pcm_set_sync(substream);
+
+ runtime->hw = snd_rme9652_playback_subinfo;
+ runtime->dma_area = rme9652->playback_buffer;
+ runtime->dma_bytes = RME9652_DMA_AREA_BYTES;
+
+ if (rme9652->capture_substream == NULL) {
+ rme9652_stop(rme9652);
+ rme9652_set_thru(rme9652, -1, 0);
+ }
+
+ rme9652->playback_pid = current->pid;
+ rme9652->playback_substream = substream;
+
+ spin_unlock_irq(&rme9652->lock);
+
+ snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_period_sizes);
+ snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+ snd_rme9652_hw_rule_channels, rme9652,
+ SNDRV_PCM_HW_PARAM_CHANNELS, -1);
+ snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+ snd_rme9652_hw_rule_channels_rate, rme9652,
+ SNDRV_PCM_HW_PARAM_RATE, -1);
+ snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+ snd_rme9652_hw_rule_rate_channels, rme9652,
+ SNDRV_PCM_HW_PARAM_CHANNELS, -1);
+
+ rme9652->creg_spdif_stream = rme9652->creg_spdif;
+ rme9652->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(rme9652->card, SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO, &rme9652->spdif_ctl->id);
+ return 0;
+}
+
+static int snd_rme9652_playback_release(struct snd_pcm_substream *substream)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+
+ spin_lock_irq(&rme9652->lock);
+
+ rme9652->playback_pid = -1;
+ rme9652->playback_substream = NULL;
+
+ spin_unlock_irq(&rme9652->lock);
+
+ rme9652->spdif_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(rme9652->card, SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO, &rme9652->spdif_ctl->id);
+ return 0;
+}
+
+
+static int snd_rme9652_capture_open(struct snd_pcm_substream *substream)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ spin_lock_irq(&rme9652->lock);
+
+ snd_pcm_set_sync(substream);
+
+ runtime->hw = snd_rme9652_capture_subinfo;
+ runtime->dma_area = rme9652->capture_buffer;
+ runtime->dma_bytes = RME9652_DMA_AREA_BYTES;
+
+ if (rme9652->playback_substream == NULL) {
+ rme9652_stop(rme9652);
+ rme9652_set_thru(rme9652, -1, 0);
+ }
+
+ rme9652->capture_pid = current->pid;
+ rme9652->capture_substream = substream;
+
+ spin_unlock_irq(&rme9652->lock);
+
+ snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_period_sizes);
+ snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+ snd_rme9652_hw_rule_channels, rme9652,
+ SNDRV_PCM_HW_PARAM_CHANNELS, -1);
+ snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+ snd_rme9652_hw_rule_channels_rate, rme9652,
+ SNDRV_PCM_HW_PARAM_RATE, -1);
+ snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+ snd_rme9652_hw_rule_rate_channels, rme9652,
+ SNDRV_PCM_HW_PARAM_CHANNELS, -1);
+ return 0;
+}
+
+static int snd_rme9652_capture_release(struct snd_pcm_substream *substream)
+{
+ struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream);
+
+ spin_lock_irq(&rme9652->lock);
+
+ rme9652->capture_pid = -1;
+ rme9652->capture_substream = NULL;
+
+ spin_unlock_irq(&rme9652->lock);
+ return 0;
+}
+
+static struct snd_pcm_ops snd_rme9652_playback_ops = {
+ .open = snd_rme9652_playback_open,
+ .close = snd_rme9652_playback_release,
+ .ioctl = snd_rme9652_ioctl,
+ .hw_params = snd_rme9652_hw_params,
+ .prepare = snd_rme9652_prepare,
+ .trigger = snd_rme9652_trigger,
+ .pointer = snd_rme9652_hw_pointer,
+ .copy = snd_rme9652_playback_copy,
+ .silence = snd_rme9652_hw_silence,
+};
+
+static struct snd_pcm_ops snd_rme9652_capture_ops = {
+ .open = snd_rme9652_capture_open,
+ .close = snd_rme9652_capture_release,
+ .ioctl = snd_rme9652_ioctl,
+ .hw_params = snd_rme9652_hw_params,
+ .prepare = snd_rme9652_prepare,
+ .trigger = snd_rme9652_trigger,
+ .pointer = snd_rme9652_hw_pointer,
+ .copy = snd_rme9652_capture_copy,
+};
+
+static int snd_rme9652_create_pcm(struct snd_card *card,
+ struct snd_rme9652 *rme9652)
+{
+ struct snd_pcm *pcm;
+ int err;
+
+ if ((err = snd_pcm_new(card,
+ rme9652->card_name,
+ 0, 1, 1, &pcm)) < 0) {
+ return err;
+ }
+
+ rme9652->pcm = pcm;
+ pcm->private_data = rme9652;
+ strcpy(pcm->name, rme9652->card_name);
+
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_rme9652_playback_ops);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_rme9652_capture_ops);
+
+ pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
+
+ return 0;
+}
+
+static int snd_rme9652_create(struct snd_card *card,
+ struct snd_rme9652 *rme9652,
+ int precise_ptr)
+{
+ struct pci_dev *pci = rme9652->pci;
+ int err;
+ int status;
+ unsigned short rev;
+
+ rme9652->irq = -1;
+ rme9652->card = card;
+
+ pci_read_config_word(rme9652->pci, PCI_CLASS_REVISION, &rev);
+
+ switch (rev & 0xff) {
+ case 3:
+ case 4:
+ case 8:
+ case 9:
+ break;
+
+ default:
+ /* who knows? */
+ return -ENODEV;
+ }
+
+ if ((err = pci_enable_device(pci)) < 0)
+ return err;
+
+ spin_lock_init(&rme9652->lock);
+
+ if ((err = pci_request_regions(pci, "rme9652")) < 0)
+ return err;
+ rme9652->port = pci_resource_start(pci, 0);
+ rme9652->iobase = ioremap_nocache(rme9652->port, RME9652_IO_EXTENT);
+ if (rme9652->iobase == NULL) {
+ dev_err(card->dev, "unable to remap region 0x%lx-0x%lx\n",
+ rme9652->port, rme9652->port + RME9652_IO_EXTENT - 1);
+ return -EBUSY;
+ }
+
+ if (request_irq(pci->irq, snd_rme9652_interrupt, IRQF_SHARED,
+ KBUILD_MODNAME, rme9652)) {
+ dev_err(card->dev, "unable to request IRQ %d\n", pci->irq);
+ return -EBUSY;
+ }
+ rme9652->irq = pci->irq;
+ rme9652->precise_ptr = precise_ptr;
+
+ /* Determine the h/w rev level of the card. This seems like
+ a particularly kludgy way to encode it, but its what RME
+ chose to do, so we follow them ...
+ */
+
+ status = rme9652_read(rme9652, RME9652_status_register);
+ if (rme9652_decode_spdif_rate(status&RME9652_F) == 1) {
+ rme9652->hw_rev = 15;
+ } else {
+ rme9652->hw_rev = 11;
+ }
+
+ /* Differentiate between the standard Hammerfall, and the
+ "Light", which does not have the expansion board. This
+ method comes from information received from Mathhias
+ Clausen at RME. Display the EEPROM and h/w revID where
+ relevant.
+ */
+
+ switch (rev) {
+ case 8: /* original eprom */
+ strcpy(card->driver, "RME9636");
+ if (rme9652->hw_rev == 15) {
+ rme9652->card_name = "RME Digi9636 (Rev 1.5)";
+ } else {
+ rme9652->card_name = "RME Digi9636";
+ }
+ rme9652->ss_channels = RME9636_NCHANNELS;
+ break;
+ case 9: /* W36_G EPROM */
+ strcpy(card->driver, "RME9636");
+ rme9652->card_name = "RME Digi9636 (Rev G)";
+ rme9652->ss_channels = RME9636_NCHANNELS;
+ break;
+ case 4: /* W52_G EPROM */
+ strcpy(card->driver, "RME9652");
+ rme9652->card_name = "RME Digi9652 (Rev G)";
+ rme9652->ss_channels = RME9652_NCHANNELS;
+ break;
+ case 3: /* original eprom */
+ strcpy(card->driver, "RME9652");
+ if (rme9652->hw_rev == 15) {
+ rme9652->card_name = "RME Digi9652 (Rev 1.5)";
+ } else {
+ rme9652->card_name = "RME Digi9652";
+ }
+ rme9652->ss_channels = RME9652_NCHANNELS;
+ break;
+ }
+
+ rme9652->ds_channels = (rme9652->ss_channels - 2) / 2 + 2;
+
+ pci_set_master(rme9652->pci);
+
+ if ((err = snd_rme9652_initialize_memory(rme9652)) < 0) {
+ return err;
+ }
+
+ if ((err = snd_rme9652_create_pcm(card, rme9652)) < 0) {
+ return err;
+ }
+
+ if ((err = snd_rme9652_create_controls(card, rme9652)) < 0) {
+ return err;
+ }
+
+ snd_rme9652_proc_init(rme9652);
+
+ rme9652->last_spdif_sample_rate = -1;
+ rme9652->last_adat_sample_rate = -1;
+ rme9652->playback_pid = -1;
+ rme9652->capture_pid = -1;
+ rme9652->capture_substream = NULL;
+ rme9652->playback_substream = NULL;
+
+ snd_rme9652_set_defaults(rme9652);
+
+ if (rme9652->hw_rev == 15) {
+ rme9652_initialize_spdif_receiver (rme9652);
+ }
+
+ return 0;
+}
+
+static void snd_rme9652_card_free(struct snd_card *card)
+{
+ struct snd_rme9652 *rme9652 = (struct snd_rme9652 *) card->private_data;
+
+ if (rme9652)
+ snd_rme9652_free(rme9652);
+}
+
+static int snd_rme9652_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
+{
+ static int dev;
+ struct snd_rme9652 *rme9652;
+ struct snd_card *card;
+ int err;
+
+ if (dev >= SNDRV_CARDS)
+ return -ENODEV;
+ if (!enable[dev]) {
+ dev++;
+ return -ENOENT;
+ }
+
+ err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
+ sizeof(struct snd_rme9652), &card);
+
+ if (err < 0)
+ return err;
+
+ rme9652 = (struct snd_rme9652 *) card->private_data;
+ card->private_free = snd_rme9652_card_free;
+ rme9652->dev = dev;
+ rme9652->pci = pci;
+
+ if ((err = snd_rme9652_create(card, rme9652, precise_ptr[dev])) < 0) {
+ snd_card_free(card);
+ return err;
+ }
+
+ strcpy(card->shortname, rme9652->card_name);
+
+ sprintf(card->longname, "%s at 0x%lx, irq %d",
+ card->shortname, rme9652->port, rme9652->irq);
+
+
+ if ((err = snd_card_register(card)) < 0) {
+ snd_card_free(card);
+ return err;
+ }
+ pci_set_drvdata(pci, card);
+ dev++;
+ return 0;
+}
+
+static void snd_rme9652_remove(struct pci_dev *pci)
+{
+ snd_card_free(pci_get_drvdata(pci));
+}
+
+static struct pci_driver rme9652_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = snd_rme9652_ids,
+ .probe = snd_rme9652_probe,
+ .remove = snd_rme9652_remove,
+};
+
+module_pci_driver(rme9652_driver);