[src/isaki-audio2]: src/sys/dev/pci Remove encoding conversions on recording.

[isaki <isaki%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6d5662cee549
branches:  isaki-audio2
changeset: 451058:6d5662cee549
user:      isaki <isaki%NetBSD.org@localhost>
date:      Sun May 05 05:59:40 2019 +0000

description:
Remove encoding conversions on recording.
These are handled in the upper layer now.

diffstat:

 sys/dev/pci/cs4280.c    |  68 +++---------------------------------------------
 sys/dev/pci/cs4280reg.h |  10 +------
 sys/dev/pci/cs428x.h    |   3 +-
 3 files changed, 7 insertions(+), 74 deletions(-)

diffs (144 lines):

diff -r 6035db824e21 -r 6d5662cee549 sys/dev/pci/cs4280.c
--- a/sys/dev/pci/cs4280.c      Sun May 05 03:11:28 2019 +0000
+++ b/sys/dev/pci/cs4280.c      Sun May 05 05:59:40 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cs4280.c,v 1.71.2.2 2019/05/04 07:20:10 isaki Exp $    */
+/*     $NetBSD: cs4280.c,v 1.71.2.3 2019/05/05 05:59:40 isaki Exp $    */
 
 /*
  * Copyright (c) 1999, 2000 Tatoku Ogaito.  All rights reserved.
@@ -52,7 +52,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cs4280.c,v 1.71.2.2 2019/05/04 07:20:10 isaki Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cs4280.c,v 1.71.2.3 2019/05/05 05:59:40 isaki Exp $");
 
 #include "midi.h"
 
@@ -450,9 +450,6 @@
        }
        /* Capture Interrupt */
        if (intr & HISR_CINT) {
-               int  i;
-               int16_t rdata;
-
                handled = 1;
                mem = BA1READ4(sc, CS4280_CIE);
                BA1WRITE4(sc, CS4280_CIE, (mem & ~CIE_CI_MASK) | CIE_CI_DISABLE);
@@ -463,53 +460,9 @@
                        if ((sc->sc_ri&1) == 0)
                                empty_dma += sc->hw_blocksize;
 
-                       /*
-                        * XXX
-                        * I think this audio data conversion should be
-                        * happend in upper layer, but I put this here
-                        * since there is no conversion function available.
-                        */
-                       switch(sc->sc_rparam) {
-                       case CF_16BIT_STEREO:
-                               /* just copy it */
-                               memcpy(sc->sc_rn, empty_dma, sc->hw_blocksize);
-                               sc->sc_rn += sc->hw_blocksize;
-                               break;
-                       case CF_16BIT_MONO:
-                               for (i = 0; i < 512; i++) {
-                                       rdata  = *((int16_t *)empty_dma)>>1;
-                                       empty_dma += 2;
-                                       rdata += *((int16_t *)empty_dma)>>1;
-                                       empty_dma += 2;
-                                       *((int16_t *)sc->sc_rn) = rdata;
-                                       sc->sc_rn += 2;
-                               }
-                               break;
-                       case CF_8BIT_STEREO:
-                               for (i = 0; i < 512; i++) {
-                                       rdata = *((int16_t*)empty_dma);
-                                       empty_dma += 2;
-                                       *sc->sc_rn++ = rdata >> 8;
-                                       rdata = *((int16_t*)empty_dma);
-                                       empty_dma += 2;
-                                       *sc->sc_rn++ = rdata >> 8;
-                               }
-                               break;
-                       case CF_8BIT_MONO:
-                               for (i = 0; i < 512; i++) {
-                                       rdata =  *((int16_t*)empty_dma) >>1;
-                                       empty_dma += 2;
-                                       rdata += *((int16_t*)empty_dma) >>1;
-                                       empty_dma += 2;
-                                       *sc->sc_rn++ = rdata >>8;
-                               }
-                               break;
-                       default:
-                               /* Should not reach here */
-                               aprint_error_dev(sc->sc_dev,
-                                   "unknown sc->sc_rparam: %d\n",
-                                   sc->sc_rparam);
-                       }
+                       /* just copy it */
+                       memcpy(sc->sc_rn, empty_dma, sc->hw_blocksize);
+                       sc->sc_rn += sc->hw_blocksize;
                        if (sc->sc_rn >= sc->sc_re)
                                sc->sc_rn = sc->sc_rs;
                }
@@ -752,17 +705,6 @@
        /* initiate capture DMA */
        BA1WRITE4(sc, CS4280_CBA, DMAADDR(p));
 
-       /* setup format information for internal converter */
-       sc->sc_rparam = 0;
-       if (param->precision == 8) {
-               sc->sc_rparam += CF_8BIT;
-               sc->sc_rcount <<= 1;
-       }
-       if (param->channels  == 1) {
-               sc->sc_rparam += CF_MONO;
-               sc->sc_rcount <<= 1;
-       }
-
        /* set CIE */
        cie = BA1READ4(sc, CS4280_CIE) & ~CIE_CI_MASK;
        BA1WRITE4(sc, CS4280_CIE, cie | CIE_CI_ENABLE);
diff -r 6035db824e21 -r 6d5662cee549 sys/dev/pci/cs4280reg.h
--- a/sys/dev/pci/cs4280reg.h   Sun May 05 03:11:28 2019 +0000
+++ b/sys/dev/pci/cs4280reg.h   Sun May 05 05:59:40 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cs4280reg.h,v 1.7 2006/04/15 21:20:47 jmcneill Exp $   */
+/*     $NetBSD: cs4280reg.h,v 1.7.156.1 2019/05/05 05:59:40 isaki Exp $        */
 
 /*
  * Copyright (c) 1999, 2000 Tatoku Ogaito.  All rights reserved.
@@ -217,14 +217,6 @@
 #define         FRMT_FTV         0x00000adf
 
 
-#define CF_MONO                  0x01
-#define CF_8BIT                  0x02
-
-#define CF_16BIT_STEREO          0x00
-#define CF_16BIT_MONO    0x01
-#define CF_8BIT_STEREO   0x02
-#define CF_8BIT_MONO     0x03
-
 #define MIDI_BUSY_WAIT         100
 #define MIDI_BUSY_DELAY                100     /* Delay when UART is busy */
 
diff -r 6035db824e21 -r 6d5662cee549 sys/dev/pci/cs428x.h
--- a/sys/dev/pci/cs428x.h      Sun May 05 03:11:28 2019 +0000
+++ b/sys/dev/pci/cs428x.h      Sun May 05 05:59:40 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cs428x.h,v 1.16.42.1 2019/04/21 07:49:16 isaki Exp $   */
+/*     $NetBSD: cs428x.h,v 1.16.42.2 2019/05/05 05:59:40 isaki Exp $   */
 
 /*
  * Copyright (c) 2000 Tatoku Ogaito.  All rights reserved.
@@ -118,7 +118,6 @@
        int     sc_ri;
        struct  cs428x_dma *sc_rdma;
        char    *sc_rbuf;
-       int     sc_rparam;              /* record format */
        int     (*halt_input)(void *);
        char    sc_rrun;                /* recording status */
        int     sc_rrate;               /* recording sample rate */