void UNINIT_ACCELERANT(void)
{
if (accelerantIsClone)
{
LOG(4,("UNINIT_ACCELERANT: shutting down clone accelerant.\n"));
}
else
{
LOG(4,("UNINIT_ACCELERANT: shutting down primary accelerant.\n"));
/* delete benaphores ONLY if we are the primary accelerant */
DELETE_BEN(si->engine.lock);
DELETE_BEN(si->overlay.lock);
/* ensure that INIT_ACCELERANT can be executed again */
si->accelerant_in_use = false;
}
/* free our mode list area */
delete_area(my_mode_list_area);
/* paranoia */
my_mode_list = 0;
/* release our cloned data */
uninit_common();
/* close the file handle ONLY if we're the clone */
if (accelerantIsClone) close(fd);
}
status_t
vesa_clone_accelerant(void *info)
{
TRACE(("vesa_clone_accelerant()\n"));
// create full device name
char path[MAXPATHLEN];
strcpy(path, "/dev/");
strcat(path, (const char *)info);
int fd = open(path, B_READ_WRITE);
if (fd < 0)
return errno;
status_t status = init_common(fd, true);
if (status != B_OK)
goto err1;
// get read-only clone of supported display modes
status = gInfo->mode_list_area = clone_area(
"vesa cloned modes", (void **)&gInfo->mode_list,
B_ANY_ADDRESS, B_READ_AREA, gInfo->shared_info->mode_list_area);
if (status < B_OK)
goto err2;
return B_OK;
err2:
uninit_common();
err1:
close(fd);
return status;
}
/*! This function is called for both, the primary accelerant and all of
its clones.
*/
void
vesa_uninit_accelerant(void)
{
TRACE(("vesa_uninit_accelerant()\n"));
// delete accelerant instance data
delete_area(gInfo->mode_list_area);
gInfo->mode_list = NULL;
uninit_common();
}
/*! Init primary accelerant */
status_t
intel_init_accelerant(int device)
{
TRACE(("intel_init_accelerant()\n"));
status_t status = init_common(device, false);
if (status != B_OK)
return status;
intel_shared_info &info = *gInfo->shared_info;
init_lock(&info.accelerant_lock, "intel extreme accelerant");
init_lock(&info.engine_lock, "intel extreme engine");
setup_ring_buffer(info.primary_ring_buffer, "intel primary ring buffer");
// determine head depending on what's already enabled from the BIOS
// TODO: it would be nicer to retrieve this data via DDC - else the
// display is gone for good if the BIOS decides to only show the
// picture on the connected analog monitor!
gInfo->head_mode = 0;
if (read32(INTEL_DISPLAY_B_PIPE_CONTROL) & DISPLAY_PIPE_ENABLED)
gInfo->head_mode |= HEAD_MODE_B_DIGITAL;
if (read32(INTEL_DISPLAY_A_PIPE_CONTROL) & DISPLAY_PIPE_ENABLED)
gInfo->head_mode |= HEAD_MODE_A_ANALOG;
uint32 lvds = read32(INTEL_DISPLAY_LVDS_PORT);
// If we have an enabled display pipe we save the passed information and
// assume it is the valid panel size..
// Later we query for proper EDID info if it exists, or figure something
// else out. (Default modes, etc.)
bool hasPCH = gInfo->shared_info->device_type.HasPlatformControlHub();
if ((hasPCH && (lvds & PCH_LVDS_DETECTED) != 0)
|| (!hasPCH && (lvds & DISPLAY_PIPE_ENABLED) != 0)) {
save_lvds_mode();
gInfo->head_mode |= HEAD_MODE_LVDS_PANEL;
}
TRACE(("head detected: %#x\n", gInfo->head_mode));
TRACE(("adpa: %08lx, dova: %08lx, dovb: %08lx, lvds: %08lx\n",
read32(INTEL_DISPLAY_A_ANALOG_PORT),
read32(INTEL_DISPLAY_A_DIGITAL_PORT),
read32(INTEL_DISPLAY_B_DIGITAL_PORT), read32(INTEL_DISPLAY_LVDS_PORT)));
status = create_mode_list();
if (status != B_OK) {
uninit_common();
return status;
}
return B_OK;
}
/*! This function is called for both, the primary accelerant and all of
its clones.
*/
void
radeon_uninit_accelerant(void)
{
TRACE("%s enter\n", __func__);
gInfo->mode_list = NULL;
radeon_shared_info &info = *gInfo->shared_info;
uninit_lock(&info.accelerant_lock);
uninit_lock(&info.engine_lock);
uninit_common();
TRACE("%s done\n", __func__);
}
/*! This function is called for both, the primary accelerant and all of
its clones.
*/
void
intel_uninit_accelerant(void)
{
CALLED();
// delete accelerant instance data
delete_area(gInfo->mode_list_area);
gInfo->mode_list = NULL;
intel_shared_info &info = *gInfo->shared_info;
uninit_lock(&info.accelerant_lock);
uninit_lock(&info.engine_lock);
uninit_ring_buffer(info.primary_ring_buffer);
uninit_common();
}
/*! Init primary accelerant */
status_t
vesa_init_accelerant(int device)
{
TRACE(("vesa_init_accelerant()\n"));
status_t status = init_common(device, false);
if (status != B_OK)
return status;
status = create_mode_list();
if (status != B_OK) {
uninit_common();
return status;
}
// Initialize current mode completely from the mode list
vesa_propose_display_mode(&gInfo->shared_info->current_mode, NULL, NULL);
return B_OK;
}
/*! Init primary accelerant */
status_t
intel_init_accelerant(int device)
{
CALLED();
status_t status = init_common(device, false);
if (status != B_OK)
return status;
intel_shared_info &info = *gInfo->shared_info;
init_lock(&info.accelerant_lock, "intel extreme accelerant");
init_lock(&info.engine_lock, "intel extreme engine");
setup_ring_buffer(info.primary_ring_buffer, "intel primary ring buffer");
TRACE("pipe control for: 0x%" B_PRIx32 " 0x%" B_PRIx32 "\n",
read32(INTEL_PIPE_CONTROL), read32(INTEL_PIPE_CONTROL));
// Probe all ports
status = probe_ports();
// On TRACE, dump ports and states
dump_ports();
if (status != B_OK)
ERROR("Warning: zero active displays were found!\n");
status = assign_pipes();
if (status != B_OK)
ERROR("Warning: error while assigning pipes!\n");
status = create_mode_list();
if (status != B_OK) {
uninit_common();
return status;
}
return B_OK;
}
status_t
intel_clone_accelerant(void* info)
{
CALLED();
// create full device name
char path[B_PATH_NAME_LENGTH];
strcpy(path, "/dev/");
#ifdef __HAIKU__
strlcat(path, (const char*)info, sizeof(path));
#else
strcat(path, (const char*)info);
#endif
int fd = open(path, B_READ_WRITE);
if (fd < 0)
return errno;
status_t status = init_common(fd, true);
if (status != B_OK)
goto err1;
// get read-only clone of supported display modes
status = gInfo->mode_list_area = clone_area(
"intel extreme cloned modes", (void**)&gInfo->mode_list,
B_ANY_ADDRESS, B_READ_AREA, gInfo->shared_info->mode_list_area);
if (status < B_OK)
goto err2;
return B_OK;
err2:
uninit_common();
err1:
close(fd);
return status;
}
/*
Initialize the accelerant. the_fd is the file handle of the device (in
/dev/graphics) that has been opened by the app_server (or some test harness).
We need to determine if the kernel driver and the accelerant are compatible.
If they are, get the accelerant ready to handle other hook functions and
report success or failure.
*/
status_t INIT_ACCELERANT(int the_fd)
{
status_t result;
int pointer_reservation; //mem reserved for pointer
int cnt; //used for iteration through the overlay buffers
if (0) {
time_t now = time (NULL);
// LOG not available from here to next LOG: NULL si
// MSG(("INIT_ACCELERANT: booted since %f ms %s\n", system_time()/1000.0, real_time_clock()));
MSG(("INIT_ACCELERANT: %s", ctime (&now)));
}
/* note that we're the primary accelerant (accelerantIsClone is global) */
accelerantIsClone = 0;
/* do the initialization common to both the primary and the clones */
result = init_common(the_fd);
/* bail out if the common initialization failed */
if (result != B_OK) goto error0;
// LOG now available: !NULL si
/* ensure that INIT_ACCELERANT is executed just once (copies should be clones) */
if (si->accelerant_in_use)
{
result = B_NOT_ALLOWED;
goto error1;
}
/* assume G450/G550 signals are connected straight through (before powerup) */
si->crossed_conns = false;
/* call the device specific init code */
result = gx00_general_powerup();
/* bail out if it failed */
if (result != B_OK) goto error1;
/*
Now would be a good time to figure out what video modes your card supports.
We'll place the list of modes in another shared area so all of the copies
of the driver can see them. The primary copy of the accelerant (ie the one
initialized with this routine) will own the "one true copy" of the list.
Everybody else get's a read-only clone.
*/
result = create_mode_list();
if (result != B_OK)
{
goto error1;
}
/*
Put the cursor at the start of the frame buffer. The typical 64x64 4 color
(black, white, transparent, inverse) takes up 1024 bytes of RAM.
*/
/* Initialize the rest of the cursor information while we're here */
si->cursor.width = 16;
si->cursor.height = 16;
si->cursor.hot_x = 0;
si->cursor.hot_y = 0;
si->cursor.x = 0;
si->cursor.y = 0;
/*
Put the frame buffer immediately following the cursor data. We store this
info in a frame_buffer_config structure to make it convienient to return
to the app_server later.
*/
pointer_reservation = 0;
/* MIL 1/2 cards have a seperate buffer for the cursorbitmap inside the DAC */
if ((si->ps.card_type >= G100) && si->settings.hardcursor)
pointer_reservation = 1024;
si->fbc.frame_buffer = (void *)((char *)si->framebuffer+pointer_reservation);
si->fbc.frame_buffer_dma = (void *)((char *)si->framebuffer_pci+pointer_reservation);
/* count of issued parameters or commands */
si->engine.last_idle = si->engine.count = 0;
INIT_BEN(si->engine.lock);
INIT_BEN(si->overlay.lock);
for (cnt = 0; cnt < MAXBUFFERS; cnt++)
{
/* make sure overlay buffers are 'marked' as being free */
si->overlay.myBuffer[cnt].buffer = NULL;
si->overlay.myBuffer[cnt].buffer_dma = NULL;
}
/* make sure overlay unit is 'marked' as being free */
si->overlay.myToken = NULL;
/* note that overlay is not in use (for gx00_bes_move_overlay()) */
si->overlay.active = false;
/* bail out if something failed */
if (result != B_OK) goto error1;
/* initialise various cursor stuff*/
gx00_crtc_cursor_init();
/* ensure cursor state */
SHOW_CURSOR(false);
/* ensure DPMS state */
si->dpms_flags = B_DPMS_ON;
/* a winner! */
result = B_OK;
/* ensure that INIT_ACCELERANT won't be executed again (copies should be clones) */
si->accelerant_in_use = true;
goto error0;
error1:
/*
Initialization failed after init_common() succeeded, so we need to clean
up before quiting.
*/
uninit_common();
error0:
return result;
}
/*
Initialize a copy of the accelerant as a clone. void *data points to
a copy of the data returned by GET_ACCELERANT_CLONE_INFO().
*/
status_t CLONE_ACCELERANT(void *data) {
status_t result;
char path[MAXPATHLEN];
/* the data is the device name */
/* Note: the R4 graphics driver kit is in error here (missing trailing '/') */
strcpy(path, "/dev/");
strcat(path, (const char *)data);
/* open the device, the permissions aren't important */
fd = open(path, B_READ_WRITE);
if (fd < 0)
{
/* we can't use LOG because we didn't get the shared_info struct.. */
char fname[64];
FILE *myhand = NULL;
sprintf (fname, "/boot/home/" DRIVER_PREFIX ".accelerant.0.log");
myhand=fopen(fname,"a+");
fprintf(myhand, "CLONE_ACCELERANT: couldn't open kerneldriver %s! Aborting.\n", path);
fclose(myhand);
/* abort with resultcode from open attempt on kerneldriver */
result = errno;
goto error0;
}
/* note that we're a clone accelerant */
accelerantIsClone = 1;
/* call the shared initialization code */
result = init_common(fd);
/* bail out if the common initialization failed */
if (result != B_OK) goto error1;
/* ensure that INIT_ACCELERANT is executed first (i.e. primary accelerant exists) */
if (!(si->accelerant_in_use))
{
result = B_NOT_ALLOWED;
goto error2;
}
/* get shared area for display modes */
result = my_mode_list_area = clone_area(
DRIVER_PREFIX " cloned display_modes",
(void **)&my_mode_list,
B_ANY_ADDRESS,
B_READ_AREA,
si->mode_area
);
if (result < B_OK) goto error2;
/* all done */
LOG(4,("CLONE_ACCELERANT: cloning was succesfull.\n"));
result = B_OK;
goto error0;
error2:
/* free up the areas we cloned */
uninit_common();
error1:
/* close the device we opened */
close(fd);
error0:
return result;
}
