/*!
* This function is directly exported.
*
* @param driver_handle
* @param info
*
* @return 0
*/
int igd_get_config_info(igd_driver_h driver_handle,
igd_config_info_t *config_info)
{
igd_context_t *context = (igd_context_t *)driver_handle;
EMGD_TRACE_ENTER;
EMGD_ASSERT(context, "Null context!", -IGD_ERROR_INVAL);
EMGD_ASSERT(config_info, "Null config_info!", -IGD_ERROR_INVAL);
OS_MEMSET(config_info, 0, sizeof(igd_config_info_t));
/* Config information already obtained from driver_config() */
config_info->mmio_base_phys = context->device_context.mmadr;
config_info->mmio_base_virt = context->device_context.virt_mmadr;
config_info->gtt_memory_base_phys = context->device_context.fb_adr;
/* config_info->gtt_memory_base_virt = context->device_context.virt_fb_adr; */
config_info->gtt_memory_size = context->device_context.mem_size;
config_info->revision_id = context->device_context.rid;
config_info->hw_status_offset = context->device_context.hw_status_offset;
config_info->stolen_memory_base_virt = 0; /* FIXME: remove this */
/* get the portions held in the dsp module */
if(context->mod_dispatch.dsp_get_config_info) {
context->mod_dispatch.dsp_get_config_info(context, config_info);
}
/* get the portions held in the pi module */
if(context->mod_dispatch.pi_get_config_info) {
context->mod_dispatch.pi_get_config_info(context, config_info);
}
EMGD_TRACE_EXIT;
return 0;
}
/*!
* This function is directly exported. When compiled without the init
* module the function calls the DD layer get_param function. When the
* full init module is included this function calls _init_get_param to
* first get the DI parameters then calls the DD layer.
*
* @param driver_handle
* @param id
* @param value
*
* @return get_param()
*/
int igd_get_param(igd_driver_h driver_handle,
unsigned long id,
unsigned long *value)
{
igd_context_t *context = (igd_context_t *)driver_handle;
EMGD_ASSERT(context, "Null Driver Handle", -IGD_ERROR_INVAL);
EMGD_ASSERT(value, "Null Value", -IGD_ERROR_INVAL);
OPT_MICRO_CALL(_init_get_param(driver_handle, id, value));
return init_dispatch->get_param(context, id, value);
}
/*!
* This function is directly exported. When compiled without the init
* module the function does nothing and returns 0. When the full init
* module is included this function calls _init_set_param and returns
* the result.
*
* @param driver_handle
* @param id
* @param value
*
* @return 0
*/
int igd_set_param(igd_driver_h driver_handle,
unsigned long id,
unsigned long value)
{
igd_context_t *context = (igd_context_t *)driver_handle;
EMGD_ASSERT(context, "Null Driver Handle", -IGD_ERROR_INVAL);
OPT_MICRO_CALL(_init_set_param(context, id, value));
return 0;
}
/* FIXME: Move this to PI */
static int igd_get_EDID_block(igd_driver_h driver_handle,
unsigned short port_number,
unsigned char FAR *edid_ptr,
unsigned char block_number)
{
igd_context_t *context = (igd_context_t *)driver_handle;
igd_display_port_t *port;
int ret;
EMGD_TRACE_ENTER;
EMGD_ASSERT(driver_handle, "Null driver_handle", -IGD_ERROR_INVAL);
EMGD_ASSERT(edid_ptr, "Null edid_ptr", -IGD_ERROR_INVAL);
port = context->mod_dispatch.dsp_port_list[port_number];
if(!port) {
EMGD_TRACE_EXIT;
return -IGD_ERROR_INVAL;
}
/* Read EDID */
ret = context->mod_dispatch.i2c_read_regs(
context,
port->ddc_reg,
10, /* DDC speed 10 KHz */
port->ddc_dab,
128*block_number,
edid_ptr,
128);
if (ret) {
EMGD_TRACE_EXIT;
return -IGD_ERROR_EDID;
}
EMGD_TRACE_EXIT;
return 0;
} /* end igd_get_EDID_block() */
/*!
* This function is directly exported.
*
* @param driver_handle
*
* @return 0 on success
* @return 1 on failure
*/
int igd_driver_config(igd_driver_h driver_handle)
{
igd_context_t *context = (igd_context_t *)driver_handle;
int ret;
EMGD_TRACE_ENTER;
EMGD_ASSERT(context, "Null context!", -IGD_ERROR_INVAL);
ret = init_dispatch->config(context, init_dispatch);
if(ret) {
EMGD_ERROR_EXIT("Device Dependent Config Failed");
return ret;
}
EMGD_TRACE_EXIT;
return 0;
}
/*!
* Update internal data structures for the plane, pipe, and port as
* requested. Allocate a new framebuffer if the new parameters do not
* match the existing framebuffer.
*
* @param display
* @param port_number
* @param timing
* @param pt_info User supplied timing info to check.
* @param fb_info User supplied framebuffer info.
* @param flags
*
* @return 0 on success
* @return -IGD_ERROR_INVAL on failure
*/
static int mode_update_plane_pipe_ports(
igd_display_context_t *display,
unsigned short port_number,
igd_timing_info_t *timing,
igd_framebuffer_info_t *fb_info,
igd_display_info_t *pt_info,
unsigned long flags)
{
int ret;
int alloc_fb;
unsigned long size = 0;
igd_framebuffer_info_t *plane_fb_info;
igd_display_plane_t *mirror;
EMGD_TRACE_ENTER;
EMGD_DEBUG("Port Number (%d)", port_number);
EMGD_ASSERT( (fb_info || pt_info), "ERROR: fb_info & pt_info are NULL",
-IGD_ERROR_INVAL);
EMGD_ASSERT( PLANE(display)->fb_info, "ERROR: fb_info in plane is NULL",
-IGD_ERROR_INVAL);
plane_fb_info = PLANE(display)->fb_info;
mirror = PLANE(display)->mirror;
/*
* If there is a mirror plane (for Clone) and the mirror is populated
* then update our plane from the mirror. If the mirror is not populated
* then update the mirror from ours.
*/
if (mirror) {
if(mirror->fb_info->flags) {
OS_MEMCPY(plane_fb_info, mirror->fb_info,
sizeof(igd_framebuffer_info_t));
} else {
OS_MEMCPY(mirror->fb_info, plane_fb_info,
sizeof(igd_framebuffer_info_t));
}
}
if (PORT(display, port_number)->pt_info == NULL) {
if ((PORT(display, port_number)->pt_info = (igd_display_info_t *)
OS_ALLOC(sizeof(igd_display_info_t))) == NULL) {
EMGD_ERROR_EXIT("unable to alloc a pt_info struct in pipe.");
return -IGD_ERROR_INVAL;
}
}
/*
* If the fb_info was provided, and either we were asked to update
* the internal structures via the flags, or we are allocating a new
* framebuffer.
*/
if(fb_info && (flags & MODE_UPDATE_PLANE)) {
/* Assume we will be allocating a FB */
alloc_fb = 1;
/* If the frambuffer parameters are unchanged then do not re-alloc */
if((fb_info->width == plane_fb_info->width) &&
(fb_info->height == plane_fb_info->height) &&
(fb_info->pixel_format == plane_fb_info->pixel_format) &&
(fb_info->flags == plane_fb_info->flags)) {
alloc_fb = 0;
}
/* Do not re-alloc a framebuffer if the re-use flag is set. */
if(fb_info->flags & IGD_REUSE_FB) {
alloc_fb = 0;
/* May need to get the MIN_PITCH flags */
plane_fb_info->flags = (fb_info->flags & IGD_FB_FLAGS_MASK) |
(plane_fb_info->flags & ~IGD_FB_FLAGS_MASK);
}
/*
* If we don't have a framebuffer at all then we MUST allocate
* one.
*/
if(!plane_fb_info->allocated && !fb_info->allocated) {
alloc_fb = 1;
}
EMGD_DEBUG("plane_fb_info->fb_base_offset = 0x%08lx",
plane_fb_info->fb_base_offset);
if(alloc_fb) {
if(plane_fb_info->allocated) {
/* Free frame buffer memory */
display->context->dispatch.gmm_free(
plane_fb_info->fb_base_offset);
plane_fb_info->allocated = 0;
}
fb_info->fb_base_offset = plane_fb_info->fb_base_offset;
/*
* Keep the FB flags, add in Displayable flag and blank out
* the rest. This insures that any tiled or usage flags from an
* earlier call do not get reused.
*/
fb_info->flags = (fb_info->flags & IGD_FB_FLAGS_MASK) |
IGD_SURFACE_DISPLAY;
/*
* Framebuffer allocations must always come from a reservation
* if the IAL changes the address the new address must also be
* from a reservation.
*/
GMM_SET_DEBUG_NAME("Framebuffer");
ret = display->context->dispatch.gmm_alloc_surface(
&fb_info->fb_base_offset,
fb_info->pixel_format,
&fb_info->width,
&fb_info->height,
&fb_info->screen_pitch,
&size,
IGD_GMM_ALLOC_TYPE_RESERVATION,
&fb_info->flags);
if(ret) {
EMGD_ERROR_EXIT("Allocation of Front buffer failed: %d", ret);
return ret;
}
fb_info->allocated = 1;
/* Set the visible offset to the newly-allocated offset: */
fb_info->visible_offset = fb_info->fb_base_offset;
} else {
/* If not reallocating, use back the offset in plane_fb_info */
fb_info->fb_base_offset = plane_fb_info->fb_base_offset;
}
OS_MEMCPY(plane_fb_info, fb_info, sizeof(igd_framebuffer_info_t));
plane_fb_info->allocated = 1;
EMGD_DEBUG("plane_fb_info->fb_base_offset = 0x%08lx",
plane_fb_info->fb_base_offset);
}
if(timing && (flags & MODE_UPDATE_PIPE)) {
EMGD_DEBUG("Updating pipe timing.");
PIPE(display)->timing = timing;
PIPE(display)->owner = display;
}
if(pt_info && (flags & MODE_UPDATE_PORT)) {
EMGD_DEBUG("OLD_PT========NEW PT ");
IGD_PRINTK_PTINFO_2(PORT(display, port_number)->pt_info, pt_info);
OS_MEMCPY(PORT(display, port_number)->pt_info, pt_info,
sizeof(igd_display_info_t));
}
EMGD_TRACE_EXIT;
return 0;
} /* end mode_update_plane_pipe_ports() */