* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
-#include <sound/driver.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <linux/pci.h>
+#include <linux/math64.h>
#include <asm/io.h>
#include <sound/core.h>
#define HDSPM_AES32_AUTOSYNC_FROM_AES6 6
#define HDSPM_AES32_AUTOSYNC_FROM_AES7 7
#define HDSPM_AES32_AUTOSYNC_FROM_AES8 8
-#define HDSPM_AES32_AUTOSYNC_FROM_NONE -1
+#define HDSPM_AES32_AUTOSYNC_FROM_NONE 9
/* status2 */
/* HDSPM_LockAES_bit is given by HDSPM_LockAES >> (AES# - 1) */
/* revisions >= 230 indicate AES32 card */
#define HDSPM_AESREVISION 230
+/* speed factor modes */
+#define HDSPM_SPEED_SINGLE 0
+#define HDSPM_SPEED_DOUBLE 1
+#define HDSPM_SPEED_QUAD 2
+/* names for speed modes */
+static char *hdspm_speed_names[] = { "single", "double", "quad" };
+
struct hdspm_midi {
struct hdspm *hdspm;
int id;
};
-static struct pci_device_id snd_hdspm_ids[] __devinitdata = {
+static DEFINE_PCI_DEVICE_TABLE(snd_hdspm_ids) = {
{
.vendor = PCI_VENDOR_ID_XILINX,
.device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP_MADI,
static int hdspm_update_simple_mixer_controls(struct hdspm * hdspm);
static int hdspm_autosync_ref(struct hdspm * hdspm);
static int snd_hdspm_set_defaults(struct hdspm * hdspm);
-static void hdspm_set_sgbuf(struct hdspm * hdspm, struct snd_sg_buf *sgbuf,
+static void hdspm_set_sgbuf(struct hdspm * hdspm,
+ struct snd_pcm_substream *substream,
unsigned int reg, int channels);
static inline int HDSPM_bit2freq(int n)
{
- static int bit2freq_tab[] = { 0, 32000, 44100, 48000, 64000, 88200,
+ static const int bit2freq_tab[] = {
+ 0, 32000, 44100, 48000, 64000, 88200,
96000, 128000, 176400, 192000 };
if (n < 1 || n > 9)
return 0;
return hdspm->mixer->ch[chan].pb[pb];
}
-static inline int hdspm_write_in_gain(struct hdspm * hdspm, unsigned int chan,
+static int hdspm_write_in_gain(struct hdspm *hdspm, unsigned int chan,
unsigned int in, unsigned short data)
{
if (chan >= HDSPM_MIXER_CHANNELS || in >= HDSPM_MIXER_CHANNELS)
return 0;
}
-static inline int hdspm_write_pb_gain(struct hdspm * hdspm, unsigned int chan,
+static int hdspm_write_pb_gain(struct hdspm *hdspm, unsigned int chan,
unsigned int pb, unsigned short data)
{
if (chan >= HDSPM_MIXER_CHANNELS || pb >= HDSPM_MIXER_CHANNELS)
}
/* check if same process is writing and reading */
-static inline int snd_hdspm_use_is_exclusive(struct hdspm * hdspm)
+static int snd_hdspm_use_is_exclusive(struct hdspm *hdspm)
{
unsigned long flags;
int ret = 1;
}
/* check for external sample rate */
-static inline int hdspm_external_sample_rate(struct hdspm * hdspm)
+static int hdspm_external_sample_rate(struct hdspm *hdspm)
{
if (hdspm->is_aes32) {
unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
}
/* should I silence all or only opened ones ? doit all for first even is 4MB*/
-static inline void hdspm_silence_playback(struct hdspm * hdspm)
+static void hdspm_silence_playback(struct hdspm *hdspm)
{
int i;
int n = hdspm->period_bytes;
static void hdspm_set_dds_value(struct hdspm *hdspm, int rate)
{
u64 n;
- u32 r;
if (rate >= 112000)
rate /= 4;
rate /= 2;
/* RME says n = 104857600000000, but in the windows MADI driver, I see:
- return 104857600000000 / rate; // 100 MHz
+// return 104857600000000 / rate; // 100 MHz
return 110100480000000 / rate; // 105 MHz
*/
/* n = 104857600000000ULL; */ /* = 2^20 * 10^8 */
n = 110100480000000ULL; /* Value checked for AES32 and MADI */
- div64_32(&n, rate, &r);
+ n = div_u64(n, rate);
/* n should be less than 2^32 for being written to FREQ register */
- snd_assert((n >> 32) == 0);
+ snd_BUG_ON(n >> 32);
hdspm_write(hdspm, HDSPM_freqReg, (u32)n);
}
/* dummy set rate lets see what happens */
static int hdspm_set_rate(struct hdspm * hdspm, int rate, int called_internally)
{
- int reject_if_open = 0;
int current_rate;
int rate_bits;
int not_set = 0;
- int is_single, is_double, is_quad;
+ int current_speed, target_speed;
/* ASSUMPTION: hdspm->lock is either set, or there is no need for
it (e.g. during module initialization).
changes in the read/write routines.
*/
- is_single = (current_rate <= 48000);
- is_double = (current_rate > 48000 && current_rate <= 96000);
- is_quad = (current_rate > 96000);
+ if (current_rate <= 48000)
+ current_speed = HDSPM_SPEED_SINGLE;
+ else if (current_rate <= 96000)
+ current_speed = HDSPM_SPEED_DOUBLE;
+ else
+ current_speed = HDSPM_SPEED_QUAD;
+
+ if (rate <= 48000)
+ target_speed = HDSPM_SPEED_SINGLE;
+ else if (rate <= 96000)
+ target_speed = HDSPM_SPEED_DOUBLE;
+ else
+ target_speed = HDSPM_SPEED_QUAD;
switch (rate) {
case 32000:
- if (!is_single)
- reject_if_open = 1;
rate_bits = HDSPM_Frequency32KHz;
break;
case 44100:
- if (!is_single)
- reject_if_open = 1;
rate_bits = HDSPM_Frequency44_1KHz;
break;
case 48000:
- if (!is_single)
- reject_if_open = 1;
rate_bits = HDSPM_Frequency48KHz;
break;
case 64000:
- if (!is_double)
- reject_if_open = 1;
rate_bits = HDSPM_Frequency64KHz;
break;
case 88200:
- if (!is_double)
- reject_if_open = 1;
rate_bits = HDSPM_Frequency88_2KHz;
break;
case 96000:
- if (!is_double)
- reject_if_open = 1;
rate_bits = HDSPM_Frequency96KHz;
break;
case 128000:
- if (!is_quad)
- reject_if_open = 1;
rate_bits = HDSPM_Frequency128KHz;
break;
case 176400:
- if (!is_quad)
- reject_if_open = 1;
rate_bits = HDSPM_Frequency176_4KHz;
break;
case 192000:
- if (!is_quad)
- reject_if_open = 1;
rate_bits = HDSPM_Frequency192KHz;
break;
default:
return -EINVAL;
}
- if (reject_if_open
+ if (current_speed != target_speed
&& (hdspm->capture_pid >= 0 || hdspm->playback_pid >= 0)) {
snd_printk
(KERN_ERR "HDSPM: "
- "cannot change between single- and double-speed mode "
+ "cannot change from %s speed to %s speed mode "
"(capture PID = %d, playback PID = %d)\n",
+ hdspm_speed_names[current_speed],
+ hdspm_speed_names[target_speed],
hdspm->capture_pid, hdspm->playback_pid);
return -EBUSY;
}
{
/* the hardware already does the relevant bit-mask with 0xff */
if (id)
- return hdspm_write(hdspm, HDSPM_midiDataOut1, val);
+ hdspm_write(hdspm, HDSPM_midiDataOut1, val);
else
- return hdspm_write(hdspm, HDSPM_midiDataOut0, val);
+ hdspm_write(hdspm, HDSPM_midiDataOut0, val);
}
static inline int snd_hdspm_midi_input_available (struct hdspm *hdspm, int id)
return 0;
}
-static inline void snd_hdspm_flush_midi_input (struct hdspm *hdspm, int id)
+static void snd_hdspm_flush_midi_input(struct hdspm *hdspm, int id)
{
while (snd_hdspm_midi_input_available (hdspm, id))
snd_hdspm_midi_read_byte (hdspm, id);
if (err < 0)
return err;
- sprintf (hdspm->midi[id].rmidi->name, "%s MIDI %d", card->id, id+1);
+ sprintf(hdspm->midi[id].rmidi->name, "HDSPM MIDI %d", id+1);
hdspm->midi[id].rmidi->private_data = &hdspm->midi[id];
snd_rawmidi_set_ops(hdspm->midi[id].rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
val = ucontrol->value.enumerated.item[0];
if (val < 0)
val = 0;
- if (val > 6)
- val = 6;
+ if (val > 9)
+ val = 9;
spin_lock_irq(&hdspm->lock);
if (val != hdspm_clock_source(hdspm))
change = (hdspm_set_clock_source(hdspm, val) == 0) ? 1 : 0;
{
struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
- ucontrol->value.enumerated.item[0] = hdspm_pref_sync_ref(hdspm);
+ ucontrol->value.enumerated.item[0] = hdspm_autosync_ref(hdspm);
return 0;
}
on MADICARD
- playback mixer matrix: [channelout+64] [output] [value]
- input(thru) mixer matrix: [channelin] [output] [value]
- (better do 2 kontrols for seperation ?)
+ (better do 2 kontrols for separation ?)
*/
#define HDSPM_MIXER(xname, xindex) \
channel = ucontrol->id.index - 1;
- snd_assert(channel >= 0
- || channel < HDSPM_MAX_CHANNELS, return -EINVAL);
+ if (snd_BUG_ON(channel < 0 || channel >= HDSPM_MAX_CHANNELS))
+ return -EINVAL;
mapped_channel = hdspm->channel_map[channel];
if (mapped_channel < 0)
channel = ucontrol->id.index - 1;
- snd_assert(channel >= 0
- || channel < HDSPM_MAX_CHANNELS, return -EINVAL);
+ if (snd_BUG_ON(channel < 0 || channel >= HDSPM_MAX_CHANNELS))
+ return -EINVAL;
mapped_channel = hdspm->channel_map[channel];
if (mapped_channel < 0)
insel = "Coaxial";
break;
default:
- insel = "Unkown";
+ insel = "Unknown";
}
switch (hdspm->control_register & HDSPM_SyncRefMask) {
syncref = "MADI";
break;
default:
- syncref = "Unkown";
+ syncref = "Unknown";
}
snd_iprintf(buffer, "Inputsel = %s, SyncRef = %s\n", insel,
syncref);
unsigned int i;
/* ASSUMPTION: hdspm->lock is either held, or there is no need to
- hold it (e.g. during module initalization).
+ hold it (e.g. during module initialization).
*/
/* set defaults: */
/*------------------------------------------------------------
- interupt
+ interrupt
------------------------------------------------------------*/
static irqreturn_t snd_hdspm_interrupt(int irq, void *dev_id)
schedule = 1;
}
if (schedule)
- tasklet_hi_schedule(&hdspm->midi_tasklet);
+ tasklet_schedule(&hdspm->midi_tasklet);
return IRQ_HANDLED;
}
{
int mapped_channel;
- snd_assert(channel >= 0
- || channel < HDSPM_MAX_CHANNELS, return NULL);
+ if (snd_BUG_ON(channel < 0 || channel >= HDSPM_MAX_CHANNELS))
+ return NULL;
mapped_channel = hdspm->channel_map[channel];
if (mapped_channel < 0)
struct hdspm *hdspm = snd_pcm_substream_chip(substream);
char *channel_buf;
- snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4,
- return -EINVAL);
+ if (snd_BUG_ON(pos + count > HDSPM_CHANNEL_BUFFER_BYTES / 4))
+ return -EINVAL;
channel_buf =
hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
channel);
- snd_assert(channel_buf != NULL, return -EIO);
+ if (snd_BUG_ON(!channel_buf))
+ return -EIO;
return copy_from_user(channel_buf + pos * 4, src, count * 4);
}
struct hdspm *hdspm = snd_pcm_substream_chip(substream);
char *channel_buf;
- snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4,
- return -EINVAL);
+ if (snd_BUG_ON(pos + count > HDSPM_CHANNEL_BUFFER_BYTES / 4))
+ return -EINVAL;
channel_buf =
hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
channel);
- snd_assert(channel_buf != NULL, return -EIO);
+ if (snd_BUG_ON(!channel_buf))
+ return -EIO;
return copy_to_user(dst, channel_buf + pos * 4, count * 4);
}
channel_buf =
hdspm_channel_buffer_location(hdspm, substream->pstr->stream,
channel);
- snd_assert(channel_buf != NULL, return -EIO);
+ if (snd_BUG_ON(!channel_buf))
+ return -EIO;
memset(channel_buf + pos * 4, 0, count * 4);
return 0;
}
int i;
pid_t this_pid;
pid_t other_pid;
- struct snd_sg_buf *sgbuf;
-
spin_lock_irq(&hdspm->lock);
if (err < 0)
return err;
- sgbuf = snd_pcm_substream_sgbuf(substream);
-
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- hdspm_set_sgbuf(hdspm, sgbuf, HDSPM_pageAddressBufferOut,
+ hdspm_set_sgbuf(hdspm, substream, HDSPM_pageAddressBufferOut,
params_channels(params));
for (i = 0; i < params_channels(params); ++i)
snd_printdd("Allocated sample buffer for playback at %p\n",
hdspm->playback_buffer);
} else {
- hdspm_set_sgbuf(hdspm, sgbuf, HDSPM_pageAddressBufferIn,
+ hdspm_set_sgbuf(hdspm, substream, HDSPM_pageAddressBufferIn,
params_channels(params));
for (i = 0; i < params_channels(params); ++i)
snd_printdd("Allocated sample buffer for %s at 0x%08X\n",
substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
"playback" : "capture",
- snd_pcm_sgbuf_get_addr(sgbuf, 0));
+ snd_pcm_sgbuf_get_addr(substream, 0));
*/
/*
snd_printdd("set_hwparams: %s %d Hz, %d channels, bs = %d\n",
struct hdspm *hdspm = snd_pcm_substream_chip(substream);
int mapped_channel;
- snd_assert(info->channel < HDSPM_MAX_CHANNELS, return -EINVAL);
+ if (snd_BUG_ON(info->channel >= HDSPM_MAX_CHANNELS))
+ return -EINVAL;
mapped_channel = hdspm->channel_map[info->channel];
if (mapped_channel < 0)
return 0;
}
-static int snd_hdspm_hwdep_dummy_op(struct snd_hwdep * hw, struct file *file)
-{
- /* we have nothing to initialize but the call is required */
- return 0;
-}
-
-
static int snd_hdspm_hwdep_ioctl(struct snd_hwdep * hw, struct file *file,
unsigned int cmd, unsigned long arg)
{
hw->private_data = hdspm;
strcpy(hw->name, "HDSPM hwdep interface");
- hw->ops.open = snd_hdspm_hwdep_dummy_op;
hw->ops.ioctl = snd_hdspm_hwdep_ioctl;
- hw->ops.release = snd_hdspm_hwdep_dummy_op;
return 0;
}
return 0;
}
-static void hdspm_set_sgbuf(struct hdspm * hdspm, struct snd_sg_buf *sgbuf,
+static void hdspm_set_sgbuf(struct hdspm * hdspm,
+ struct snd_pcm_substream *substream,
unsigned int reg, int channels)
{
int i;
for (i = 0; i < (channels * 16); i++)
hdspm_write(hdspm, reg + 4 * i,
- snd_pcm_sgbuf_get_addr(sgbuf, (size_t) 4096 * i));
+ snd_pcm_sgbuf_get_addr(substream, 4096 * i));
}
/* ------------- ALSA Devices ---------------------------- */
return -ENOENT;
}
- card = snd_card_new(index[dev], id[dev],
- THIS_MODULE, sizeof(struct hdspm));
- if (!card)
- return -ENOMEM;
+ err = snd_card_create(index[dev], id[dev],
+ THIS_MODULE, sizeof(struct hdspm), &card);
+ if (err < 0)
+ return err;
hdspm = card->private_data;
card->private_free = snd_hdspm_card_free;