diff options
Diffstat (limited to 'sound/oss/aci.h')
-rw-r--r-- | sound/oss/aci.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/sound/oss/aci.h b/sound/oss/aci.h deleted file mode 100644 index 20102ee088eb..000000000000 --- a/sound/oss/aci.h +++ /dev/null @@ -1,57 +0,0 @@ -#ifndef _ACI_H_ -#define _ACI_H_ - -extern int aci_port; -extern int aci_version; /* ACI firmware version */ -extern int aci_rw_cmd(int write1, int write2, int write3); - -#define aci_indexed_cmd(a, b) aci_rw_cmd(a, b, -1) -#define aci_write_cmd(a, b) aci_rw_cmd(a, b, -1) -#define aci_read_cmd(a) aci_rw_cmd(a,-1, -1) - -#define COMMAND_REGISTER (aci_port) /* write register */ -#define STATUS_REGISTER (aci_port + 1) /* read register */ -#define BUSY_REGISTER (aci_port + 2) /* also used for rds */ - -#define RDS_REGISTER BUSY_REGISTER - -#define ACI_SET_MUTE 0x0d -#define ACI_SET_POWERAMP 0x0f -#define ACI_SET_TUNERMUTE 0xa3 -#define ACI_SET_TUNERMONO 0xa4 -#define ACI_SET_IDE 0xd0 -#define ACI_SET_WSS 0xd1 -#define ACI_SET_SOLOMODE 0xd2 -#define ACI_WRITE_IGAIN 0x03 -#define ACI_WRITE_TUNE 0xa7 -#define ACI_READ_TUNERSTEREO 0xa8 -#define ACI_READ_TUNERSTATION 0xa9 -#define ACI_READ_VERSION 0xf1 -#define ACI_READ_IDCODE 0xf2 -#define ACI_INIT 0xff -#define ACI_STATUS 0xf0 -#define ACI_S_GENERAL 0x00 -#define ACI_S_READ_IGAIN 0x21 -#define ACI_ERROR_OP 0xdf - -/* - * The following macro SCALE can be used to scale one integer volume - * value into another one using only integer arithmetic. If the input - * value x is in the range 0 <= x <= xmax, then the result will be in - * the range 0 <= SCALE(xmax,ymax,x) <= ymax. - * - * This macro has for all xmax, ymax > 0 and all 0 <= x <= xmax the - * following nice properties: - * - * - SCALE(xmax,ymax,xmax) = ymax - * - SCALE(xmax,ymax,0) = 0 - * - SCALE(xmax,ymax,SCALE(ymax,xmax,SCALE(xmax,ymax,x))) = SCALE(xmax,ymax,x) - * - * In addition, the rounding error is minimal and nicely distributed. - * The proofs are left as an exercise to the reader. - */ - -#define SCALE(xmax,ymax,x) (((x)*(ymax)+(xmax)/2)/(xmax)) - - -#endif /* _ACI_H_ */ |