mirror of
https://github.com/torvalds/linux.git
synced 2024-12-11 05:33:09 +00:00
ALSA: hdspm - Added some comments and control register documentation
Signed-off-by: Martin Dausel <martin.dausel@iosono-sound.com> Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Martin Dausel
Takashi Iwai
parent
04659f9e9e
commit
69358fca42
@ -38,6 +38,97 @@
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
*/
|
||||
|
||||
/* ************* Register Documentation *******************************************************
|
||||
*
|
||||
* Work in progress! Documentation is based on the code in this file.
|
||||
*
|
||||
* --------- HDSPM_controlRegister ---------
|
||||
* :7654.3210:7654.3210:7654.3210:7654.3210: bit number per byte
|
||||
* :||||.||||:||||.||||:||||.||||:||||.||||:
|
||||
* :3322.2222:2222.1111:1111.1100:0000.0000: bit number
|
||||
* :1098.7654:3210.9876:5432.1098:7654.3210: 0..31
|
||||
* :||||.||||:||||.||||:||||.||||:||||.||||:
|
||||
* :8421.8421:8421.8421:8421.8421:8421.8421: hex digit
|
||||
* : . : . : . : x . : HDSPM_AudioInterruptEnable \_ setting both bits
|
||||
* : . : . : . : . x: HDSPM_Start / enables audio IO
|
||||
* : . : . : . : x. : HDSPM_ClockModeMaster - 1: Master, 0: Slave
|
||||
* : . : . : . : .210 : HDSPM_LatencyMask - 3 Bit value for latency
|
||||
* : . : . : . : . : 0:64, 1:128, 2:256, 3:512,
|
||||
* : . : . : . : . : 4:1024, 5:2048, 6:4096, 7:8192
|
||||
* :x . : . : . x:xx . : HDSPM_FrequencyMask
|
||||
* : . : . : . :10 . : HDSPM_Frequency1|HDSPM_Frequency0: 1=32K,2=44.1K,3=48K,0=??
|
||||
* : . : . : . x: . : <MADI> HDSPM_DoubleSpeed
|
||||
* :x . : . : . : . : <MADI> HDSPM_QuadSpeed
|
||||
* : . 3 : . 10: 2 . : . : HDSPM_SyncRefMask :
|
||||
* : . : . x: . : . : HDSPM_SyncRef0
|
||||
* : . : . x : . : . : HDSPM_SyncRef1
|
||||
* : . : . : x . : . : <AES32> HDSPM_SyncRef2
|
||||
* : . x : . : . : . : <AES32> HDSPM_SyncRef3
|
||||
* : . : . 10: . : . : <MADI> sync ref: 0:WC, 1:Madi, 2:TCO, 3:SyncIn
|
||||
* : . 3 : . 10: 2 . : . : <AES32> 0:WC, 1:AES1 ... 8:AES8, 9: TCO, 10:SyncIn?
|
||||
* : . x : . : . : . : <MADIe> HDSPe_FLOAT_FORMAT
|
||||
* : . : . : x . : . : <MADI> HDSPM_InputSelect0 : 0=optical,1=coax
|
||||
* : . : . :x . : . : <MADI> HDSPM_InputSelect1
|
||||
* : . : .x : . : . : <MADI> HDSPM_clr_tms
|
||||
* : . : . : . x : . : <MADI> HDSPM_TX_64ch
|
||||
* : . : . : . x : . : <AES32> HDSPM_Emphasis
|
||||
* : . : . : .x : . : <MADI> HDSPM_AutoInp
|
||||
* : . : . x : . : . : <MADI> HDSPM_SMUX
|
||||
* : . : .x : . : . : <MADI> HDSPM_clr_tms
|
||||
* : . : x. : . : . : <MADI> HDSPM_taxi_reset
|
||||
* : . x: . : . : . : <MADI> HDSPM_LineOut
|
||||
* : . x: . : . : . : <AES32> ??????????????????
|
||||
* : . : x. : . : . : <AES32> HDSPM_WCK48
|
||||
* : . : . : .x : . : <AES32> HDSPM_Dolby
|
||||
* : . : x . : . : . : HDSPM_Midi0InterruptEnable
|
||||
* : . :x . : . : . : HDSPM_Midi1InterruptEnable
|
||||
* : . : x . : . : . : HDSPM_Midi2InterruptEnable
|
||||
* : . x : . : . : . : <MADI> HDSPM_Midi3InterruptEnable
|
||||
* : . x : . : . : . : <AES32> HDSPM_DS_DoubleWire
|
||||
* : .x : . : . : . : <AES32> HDSPM_QS_DoubleWire
|
||||
* : x. : . : . : . : <AES32> HDSPM_QS_QuadWire
|
||||
* : . : . : . x : . : <AES32> HDSPM_Professional
|
||||
* : x . : . : . : . : HDSPM_wclk_sel
|
||||
* : . : . : . : . :
|
||||
* :7654.3210:7654.3210:7654.3210:7654.3210: bit number per byte
|
||||
* :||||.||||:||||.||||:||||.||||:||||.||||:
|
||||
* :3322.2222:2222.1111:1111.1100:0000.0000: bit number
|
||||
* :1098.7654:3210.9876:5432.1098:7654.3210: 0..31
|
||||
* :||||.||||:||||.||||:||||.||||:||||.||||:
|
||||
* :8421.8421:8421.8421:8421.8421:8421.8421:hex digit
|
||||
*
|
||||
*
|
||||
*
|
||||
* AIO / RayDAT only
|
||||
*
|
||||
* ------------ HDSPM_WR_SETTINGS ----------
|
||||
* :3322.2222:2222.1111:1111.1100:0000.0000: bit number per byte
|
||||
* :1098.7654:3210.9876:5432.1098:7654.3210:
|
||||
* :||||.||||:||||.||||:||||.||||:||||.||||: bit number
|
||||
* :7654.3210:7654.3210:7654.3210:7654.3210: 0..31
|
||||
* :||||.||||:||||.||||:||||.||||:||||.||||:
|
||||
* :8421.8421:8421.8421:8421.8421:8421.8421: hex digit
|
||||
* : . : . : . : . x: HDSPM_c0Master 1: Master, 0: Slave
|
||||
* : . : . : . : . x : HDSPM_c0_SyncRef0
|
||||
* : . : . : . : . x : HDSPM_c0_SyncRef1
|
||||
* : . : . : . : .x : HDSPM_c0_SyncRef2
|
||||
* : . : . : . : x. : HDSPM_c0_SyncRef3
|
||||
* : . : . : . : 3.210 : HDSPM_c0_SyncRefMask:
|
||||
* : . : . : . : . : RayDat: 0:WC, 1:AES, 2:SPDIF, 3..6: ADAT1..4,
|
||||
* : . : . : . : . : 9:TCO, 10:SyncIn
|
||||
* : . : . : . : . : AIO: 0:WC, 1:AES, 2: SPDIF, 3: ATAT,
|
||||
* : . : . : . : . : 9:TCO, 10:SyncIn
|
||||
* : . : . : . : . :
|
||||
* : . : . : . : . :
|
||||
* :3322.2222:2222.1111:1111.1100:0000.0000: bit number per byte
|
||||
* :1098.7654:3210.9876:5432.1098:7654.3210:
|
||||
* :||||.||||:||||.||||:||||.||||:||||.||||: bit number
|
||||
* :7654.3210:7654.3210:7654.3210:7654.3210: 0..31
|
||||
* :||||.||||:||||.||||:||||.||||:||||.||||:
|
||||
* :8421.8421:8421.8421:8421.8421:8421.8421: hex digit
|
||||
*
|
||||
*/
|
||||
#include <linux/init.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/interrupt.h>
|
||||
@ -95,7 +186,7 @@ MODULE_SUPPORTED_DEVICE("{{RME HDSPM-MADI}}");
|
||||
#define HDSPM_controlRegister 64
|
||||
#define HDSPM_interruptConfirmation 96
|
||||
#define HDSPM_control2Reg 256 /* not in specs ???????? */
|
||||
#define HDSPM_freqReg 256 /* for AES32 */
|
||||
#define HDSPM_freqReg 256 /* for setting arbitrary clock values (DDS feature) */
|
||||
#define HDSPM_midiDataOut0 352 /* just believe in old code */
|
||||
#define HDSPM_midiDataOut1 356
|
||||
#define HDSPM_eeprom_wr 384 /* for AES32 */
|
||||
@ -890,11 +981,11 @@ struct hdspm_midi {
|
||||
};
|
||||
|
||||
struct hdspm_tco {
|
||||
int input;
|
||||
int framerate;
|
||||
int wordclock;
|
||||
int samplerate;
|
||||
int pull;
|
||||
int input; /* 0: LTC, 1:Video, 2: WC*/
|
||||
int framerate; /* 0=24, 1=25, 2=29.97, 3=29.97d, 4=30, 5=30d */
|
||||
int wordclock; /* 0=1:1, 1=44.1->48, 2=48->44.1 */
|
||||
int samplerate; /* 0=44.1, 1=48, 2= freq from app */
|
||||
int pull; /* 0=0, 1=+0.1%, 2=-0.1%, 3=+4%, 4=-4%*/
|
||||
int term; /* 0 = off, 1 = on */
|
||||
};
|
||||
|
||||
@ -913,7 +1004,7 @@ struct hdspm {
|
||||
|
||||
u32 control_register; /* cached value */
|
||||
u32 control2_register; /* cached value */
|
||||
u32 settings_register;
|
||||
u32 settings_register; /* cached value for AIO / RayDat (sync reference, master/slave) */
|
||||
|
||||
struct hdspm_midi midi[4];
|
||||
struct tasklet_struct midi_tasklet;
|
||||
@ -4137,6 +4228,7 @@ static void hdspm_tco_write(struct hdspm *hdspm)
|
||||
static int snd_hdspm_info_tco_sample_rate(struct snd_kcontrol *kcontrol,
|
||||
struct snd_ctl_elem_info *uinfo)
|
||||
{
|
||||
/* TODO freq from app could be supported here, see tco->samplerate */
|
||||
static const char *const texts[] = { "44.1 kHz", "48 kHz" };
|
||||
ENUMERATED_CTL_INFO(uinfo, texts);
|
||||
return 0;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user