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Improve the way we'll detect video devices as per ACPI 3.0.

Browse Source 
PR:		100271
Requested by:	john AT utzweb DOT net
Submitted by:	hrs
Reviewed by:	njl
Approved by:	njl
MFC after:	3 days
This commit is contained in:
Bruno Ducrot 2006-08-10 13:18:02 +00:00
parent f366efa96f
commit 48411a171a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=161184
1 changed files with 51 additions and 21 deletions
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72
sys/dev/acpica/acpi_video.c
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@ -109,16 +109,22 @@ static void vo_set_device_state(ACPI_HANDLE, UINT32);
#define DOS_BRIGHTNESS_BY_BIOS (1 << 2)
/* _DOD and subdev's _ADR */
#define DOD_DEVID_MASK 0xffff
#define DOD_DEVID_MASK 0x0f00
#define DOD_DEVID_MASK_FULL 0xffff
#define DOD_DEVID_MASK_DISPIDX 0x000f
#define DOD_DEVID_MASK_DISPPORT 0x00f0
#define DOD_DEVID_MONITOR 0x0100
#define DOD_DEVID_PANEL 0x0110
#define DOD_DEVID_LCD 0x0110
#define DOD_DEVID_TV 0x0200
#define DOD_DEVID_EXT 0x0300
#define DOD_DEVID_INTDFP 0x0400
#define DOD_BIOS (1 << 16)
#define DOD_NONVGA (1 << 17)
#define DOD_HEAD_ID_SHIFT 18
#define DOD_HEAD_ID_BITS 3
#define DOD_HEAD_ID_MASK \
(((1 << DOD_HEAD_ID_BITS) - 1) << DOD_HEAD_ID_SHIFT)
#define DOD_DEVID_SCHEME_STD (1 << 31)
/* _BCL related constants */
#define BCL_FULLPOWER 0
@ -160,8 +166,8 @@ MODULE_DEPEND(acpi_video, acpi, 1, 1, 1);
static struct sysctl_ctx_list acpi_video_sysctl_ctx;
static struct sysctl_oid *acpi_video_sysctl_tree;
static struct acpi_video_output_queue lcd_units, crt_units, tv_units,
other_units;
static struct acpi_video_output_queue crt_units, tv_units,
ext_units, lcd_units, other_units;
ACPI_SERIAL_DECL(video, "ACPI video");
MALLOC_DEFINE(M_ACPIVIDEO, "acpivideo", "ACPI video extension");
@ -175,9 +181,10 @@ acpi_video_modevent(struct module *mod __unused, int evt, void *cookie __unused)
switch (evt) {
case MOD_LOAD:
sysctl_ctx_init(&acpi_video_sysctl_ctx);
STAILQ_INIT(&lcd_units);
STAILQ_INIT(&crt_units);
STAILQ_INIT(&tv_units);
STAILQ_INIT(&ext_units);
STAILQ_INIT(&lcd_units);
STAILQ_INIT(&other_units);
break;
case MOD_UNLOAD:
@ -404,27 +411,44 @@ acpi_video_vo_init(UINT32 adr)
{
struct acpi_video_output *vn, *vo, *vp;
int n, x;
int display_index;
int display_port;
char name[8], env[32];
const char *type, *desc;
struct acpi_video_output_queue *voqh;
ACPI_SERIAL_ASSERT(video);
display_index = adr & DOD_DEVID_MASK_DISPIDX;
display_port = (adr & DOD_DEVID_MASK_DISPPORT) >> 4;
switch (adr & DOD_DEVID_MASK) {
case DOD_DEVID_MONITOR:
desc = "CRT monitor";
type = "crt";
voqh = &crt_units;
break;
case DOD_DEVID_PANEL:
desc = "LCD panel";
type = "lcd";
voqh = &lcd_units;
if ((adr & DOD_DEVID_MASK_FULL) == DOD_DEVID_LCD) {
/* DOD_DEVID_LCD is a common, backward compatible ID */
desc = "Internal/Integrated Digital Flat Panel";
type = "lcd";
voqh = &lcd_units;
} else {
desc = "VGA CRT or VESA Compatible Analog Monitor";
type = "crt";
voqh = &crt_units;
}
break;
case DOD_DEVID_TV:
desc = "TV";
desc = "TV/HDTV or Analog-Video Monitor";
type = "tv";
voqh = &tv_units;
break;
case DOD_DEVID_EXT:
desc = "External Digital Monitor";
type = "ext";
voqh = &ext_units;
break;
case DOD_DEVID_INTDFP:
desc = "Internal/Integrated Digital Flat Panel";
type = "lcd";
voqh = &lcd_units;
break;
default:
desc = "unknown output";
type = "out";
@ -508,13 +532,16 @@ acpi_video_vo_init(UINT32 adr)
printf("%s: softc allocation failed\n", type);
if (bootverbose) {
printf("found %s(%x)", desc, adr & DOD_DEVID_MASK);
printf("found %s(%x)", desc, adr & DOD_DEVID_MASK_FULL);
printf(", idx#%x", adr & DOD_DEVID_MASK_DISPIDX);
printf(", port#%x", (adr & DOD_DEVID_MASK_DISPPORT) >> 4);
if (adr & DOD_BIOS)
printf(", detectable by BIOS");
if (adr & DOD_NONVGA)
printf(" (not a VGA output)");
printf(" (Non-VGA output device whose power "
"is related to the VGA device)");
printf(", head #%d\n",
(adr & DOD_HEAD_ID_MASK) >> DOD_HEAD_ID_SHIFT);
(adr & DOD_HEAD_ID_MASK) >> DOD_HEAD_ID_SHIFT);
}
return (vo);
}
@ -557,12 +584,15 @@ acpi_video_vo_destroy(struct acpi_video_output *vo)
case DOD_DEVID_MONITOR:
voqh = &crt_units;
break;
case DOD_DEVID_PANEL:
voqh = &lcd_units;
break;
case DOD_DEVID_TV:
voqh = &tv_units;
break;
case DOD_DEVID_EXT:
voqh = &ext_units;
break;
case DOD_DEVID_INTDFP:
voqh = &lcd_units;
break;
default:
voqh = &other_units;
}
@ -751,7 +781,7 @@ vid_enum_outputs_subr(ACPI_HANDLE handle, UINT32 level __unused,
for (i = 0; i < argset->dod_pkg->Package.Count; i++) {
if (acpi_PkgInt32(argset->dod_pkg, i, &val) == 0 &&
(val & DOD_DEVID_MASK) == adr) {
(val & DOD_DEVID_MASK_FULL) == adr) {
argset->callback(handle, val, argset->context);
argset->count++;
}