* 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>
#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 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;
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 */
/* 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);
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;
}
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)
projects / linux-2.6 / blobdiff