/*!
* 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;
}
/*!
* 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);
}
/*!
* Return either a pointer to the live mode list or a copy of the mode list
* for the requested display. This will be the mode list for the master port
* on the pipe.
*
* @note Currently (AS of 3.3 development) the mode list is
* described as a igd_display_info_t. However IT IS NOT, this
* pointer must be cast to a igd_timing_info_t to be used. After
* 3.3 the igd_display_info_t will be altered to match the
* igd_timing_info_t with the exception of the private pointers.
*
* @param driver_handle handle returned from a successful call to
* igd_driver_init().
* @param dc Display configuration that will determine which port
* controlls the pipe timings and thus, which set of timings to return.
* @param mode_list The returned mode list. This data may be LIVE. If
* a live list is returned, care should be taken to not free or alter
* the data.
* @param flags The flags will determine which display to query (primary
* or secondary) and if the mode list returned should be the live list.
*
* @return 0 on success.
* @return -IGD_INVAL if an error occured (memory allocation failed)
*/
int igd_query_mode_list(igd_driver_h driver_handle,
unsigned long dc,
igd_display_info_t **mode_list,
unsigned long flags)
{
igd_context_t *context;
unsigned short port_number;
igd_display_port_t *port;
EMGD_TRACE_ENTER;
context = (igd_context_t *)driver_handle;
*mode_list = NULL;
/* given the DC and flags, which port number to check? */
port_number = (flags & IGD_QUERY_SECONDARY_MODES) ? DC_PORT_NUMBER(dc, 5) :
DC_PORT_NUMBER(dc, 1);
port = context->mod_dispatch.dsp_port_list[port_number];
if (port) {
if (flags & IGD_QUERY_LIVE_MODES) {
/*
* FIXME:
* timing_table is not an igd_dislay_info_t structure but
* eventually it will be?
*/
*mode_list = (igd_display_info_t *)port->timing_table;
} else {
OPT_MICRO_CALL(full_mode_query(driver_handle, dc, mode_list,
port));
}
}
if (*mode_list == NULL) {
EMGD_DEBUG("No port on requested pipe");
return -IGD_ERROR_INVAL;
}
EMGD_TRACE_EXIT;
return 0;
}
/*!
* This function is used to initialize any module/dsp
* module specific structures or tables etc.
*
* @param context SS level igd_context.
*
* @return 0 on success.
* @return -IGD_INVAL or -IGD_ERROR_NODEV on failure
*/
int mode_init(igd_context_t *context)
{
igd_dispatch_t *dispatch = &context->dispatch;
inter_module_dispatch_t *md;
EMGD_TRACE_ENTER;
EMGD_DEBUG("Allocating a mode context...");
/* Clear the allocated memory for mode context */
OS_MEMSET((void *)mode_context, 0, sizeof(mode_context_t));
/* Set the pointer to igd level context */
mode_context->context = context;
mode_context->first_alter = TRUE;
mode_context->display_color =
context->mod_dispatch.init_params->display_color;
mode_context->ref_freq =
context->mod_dispatch.init_params->ref_freq;
mode_context->tuning_wa =
context->mod_dispatch.init_params->tuning_wa;
/* Get mode's dispatch table */
mode_context->dispatch = (mode_dispatch_t *)
dispatch_acquire(context, mode_dispatch);
if(!mode_context->dispatch) {
EMGD_ERROR_EXIT("Unsupported Device");
return -IGD_ERROR_NODEV;
}
md = &context->mod_dispatch;
/* Set the fw_info to 0 */
mode_context->fw_info = NULL;
/* Hook up the IGD dispatch table entires for mode */
dispatch->get_EDID_block = igd_get_EDID_block;
dispatch->power_display = igd_power_display;
dispatch->query_mode_list = igd_query_mode_list;
dispatch->alter_displays = igd_alter_displays;
OPT_MICRO_CALL(full_mode_init(context, mode_context));
/* Hook up inter-module dispatch functions */
md->mode_get_gpio_sets = mode_context->dispatch->get_gpio_sets;
md->mode_reset_plane_pipe_ports =
mode_context->dispatch->reset_plane_pipe_ports;
md->filter_modes = mode_context->dispatch->filter_modes;
/* Hook up Core specific IGD dispatch table entries */
dispatch->set_palette_entries =
mode_context->dispatch->full->set_palette_entries;
dispatch->set_palette_entry = mode_context->dispatch->set_palette_entry;
dispatch->get_palette_entry = mode_context->dispatch->get_palette_entry;
dispatch->wait_vblank = mode_context->dispatch->wait_vblank;
/* Initialize dsp module */
if (dsp_init(context)) {
EMGD_ERROR("dsp_init() failed.");
return -IGD_INVAL;
}
/* Initialze port interface (pi) module */
if (pi_init(context)) {
EMGD_ERROR_EXIT("pi_init() failed.");
if(md->dsp_shutdown) {
md->dsp_shutdown(context);
}
return -IGD_ERROR_INVAL;
}
if (mode_context->dispatch->full && md->reg_get_mod_state) {
/* Save mode state */
module_state_h *state = NULL;
unsigned long *flags = NULL;
md->reg_get_mod_state(REG_MODE_STATE, &state, &flags);
md->mode_save(context, state, flags);
}
/* Initialize the Display Configuration List */
/* FIXME: This should be done in dsp init */
dsp_dc_init(context);
EMGD_TRACE_EXIT;
return 0;
}