[src/trunk]: src/sys/dev/pci - make sure the power state of a node is D0

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

details:   https://anonhg.NetBSD.org/src/rev/7ead024d0230
branches:  trunk
changeset: 583347:7ead024d0230
user:      kent <kent%NetBSD.org@localhost>
date:      Sun Jul 31 06:48:15 2005 +0000

description:
- make sure the power state of a node is D0
- ignore unsoliticited responses

diffstat:

 sys/dev/pci/azalia.c |  31 +++++++++++++++++++++++++------
 1 files changed, 25 insertions(+), 6 deletions(-)

diffs (92 lines):

diff -r e01463d9398b -r 7ead024d0230 sys/dev/pci/azalia.c
--- a/sys/dev/pci/azalia.c      Sun Jul 31 04:13:20 2005 +0000
+++ b/sys/dev/pci/azalia.c      Sun Jul 31 06:48:15 2005 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: azalia.c,v 1.8 2005/07/29 16:20:53 kent Exp $  */
+/*     $NetBSD: azalia.c,v 1.9 2005/07/31 06:48:15 kent Exp $  */
 
 /*-
  * Copyright (c) 2005 The NetBSD Foundation, Inc.
@@ -44,7 +44,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: azalia.c,v 1.8 2005/07/29 16:20:53 kent Exp $");
+__KERNEL_RCSID(0, "$NetBSD: azalia.c,v 1.9 2005/07/31 06:48:15 kent Exp $");
 
 #include <sys/param.h>
 #include <sys/device.h>
@@ -333,6 +333,10 @@
 #define CORB_SET_DIGITAL_CONVERTER_CONTROL_H   0x70e
 #define CORB_GET_POWER_STATE           0xf05
 #define CORB_SET_POWER_STATE           0x705
+#define                CORB_PS_D0              0x0
+#define                CORB_PS_D1              0x1
+#define                CORB_PS_D2              0x2
+#define                CORB_PS_D3              0x3
 #define CORB_GET_CONVERTER_STREAM_CHANNEL      0xf06
 #define CORB_SET_CONVERTER_STREAM_CHANNEL      0x706
 #define CORB_GET_INPUT_CONVERTER_SDI_SELECT    0xf04
@@ -455,6 +459,7 @@
 typedef struct {
        uint32_t resp;
        uint32_t resp_ex;
+#define RIRB_UNSOLICITED_RESPONSE      (1 << 4)
 } __packed rirb_entry_t;
 
 
@@ -471,13 +476,13 @@
 #define                ICH_PCI_HDCTL_CLKDETINV         0x02
 #define                ICH_PCI_HDCTL_SIGNALMODE        0x01
 
-#define AZALIA_DEBUG
+/* #define AZALIA_DEBUG */
 #ifdef AZALIA_DEBUG
 # define DPRINTF(x)    do { printf x; } while (0/*CONSTCOND*/)
 #else
 # define DPRINTF(x)    do {} while (0/*CONSTCOND*/)
 #endif
-#define PTR_UPPER32(x) ((uint64_t)(uintptr_t)x >> 32)
+#define PTR_UPPER32(x) ((uint64_t)(uintptr_t)(x) >> 32)
 #define FLAGBUFLEN     256
 #define MAX_VOLUME_255 1
 
@@ -1285,8 +1290,14 @@
                return ETIMEDOUT;
        }
        rirb = (rirb_entry_t*)az->rirb_dma.addr;
-       if (++az->rirb_rp >= az->rirb_size)
-               az->rirb_rp = 0;
+       for (;;) {
+               if (++az->rirb_rp >= az->rirb_size)
+                       az->rirb_rp = 0;
+               if (rirb[az->rirb_rp].resp_ex & RIRB_UNSOLICITED_RESPONSE) {
+                       DPRINTF(("%s: unsolicited response\n", __func__));
+               } else
+                       break;
+       }
        if (result != NULL)
                *result = rirb[az->rirb_rp].resp;
 #if 0
@@ -1416,6 +1427,10 @@
                return -1;
        }
 
+       /* power the audio function */
+       this->comresp(this, this->audiofunc, CORB_SET_POWER_STATE, CORB_PS_D0, &result);
+       DELAY(100);
+
        /* check widgets in the audio function */
        err = this->comresp(this, this->audiofunc,
            CORB_GET_PARAMETER, COP_SUBORDINATE_NODE_COUNT, &result);
@@ -2706,6 +2721,10 @@
            "\011CONNLIST\010UNSOL\07PROC\06STRIPE\05FORMATOV\04AMPOV\03OUTAMP"
            "\02INAMP\01STEREO", flagbuf, FLAGBUFLEN);
        DPRINTF(("%s: ", XNAME(codec->az)));
+       if (this->widgetcap & COP_AWCAP_POWER) {
+               codec->comresp(codec, nid, CORB_SET_POWER_STATE, CORB_PS_D0, &result);
+               DELAY(100);
+       }
        switch (this->type) {
        case COP_AWTYPE_AUDIO_OUTPUT:
                snprintf(this->name, sizeof(this->name), "dac%2.2x", nid);