diff options
Diffstat (limited to 'drivers/gpu/drm/emgd/emgd/core/init/cmn/igd_init.c')
| -rw-r--r-- | drivers/gpu/drm/emgd/emgd/core/init/cmn/igd_init.c | 876 |
1 files changed, 0 insertions, 876 deletions
diff --git a/drivers/gpu/drm/emgd/emgd/core/init/cmn/igd_init.c b/drivers/gpu/drm/emgd/emgd/core/init/cmn/igd_init.c deleted file mode 100644 index 67f0c5fdded6..000000000000 --- a/drivers/gpu/drm/emgd/emgd/core/init/cmn/igd_init.c +++ /dev/null @@ -1,876 +0,0 @@ -/* -*- pse-c -*- - *----------------------------------------------------------------------------- - * Filename: igd_init.c - * $Revision: 1.16 $ - *----------------------------------------------------------------------------- - * Copyright © 2002-2010, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - *----------------------------------------------------------------------------- - * Description: - * This file contains the implementation of the core init module. It - * is responsible from initializing the HAL and the device and gathering - * all necessary general device information. This module is partially - * optional such that portions may be disabled to save code space. - * When CONFIG_MICRO is enabled: - * Firmware parameters are NOT read. - * Only the first device instance is queried and configured. - * Revision ID is NOT queried, it is assumed to be 0. - * MMIO regions are not discovered or mapped. - * FB memory is not discovered or mapped. - * Shutdown is a no-op. - *----------------------------------------------------------------------------- - */ - -#define MODULE_NAME hal.init - -#include <io.h> -#include <pci.h> -#include <memory.h> -#include <memmap.h> - -#include <igd_init.h> -#include <igd_pwr.h> -#include <igd_errno.h> -#include <igd_mode.h> -#include <igd_debug.h> - -#include <context.h> -#include <cmd.h> -#include <reset.h> -#include <dsp.h> -#include <utils.h> -#include <general.h> -#include <intelpci.h> -#include <mode_access.h> -#include <module_init.h> -#include <mode.h> - -#include "init_dispatch.h" - -/* OAL header */ -#include <sched.h> - -/*! - * @addtogroup core_group - * @{ - */ - - -unsigned long _sgx_base, _msvdx_base, _topaz_base; - -/* Notes: If the bus is of value 0xFFFF, then the particular - * device is searched for in the whole PCI topology - */ -typedef struct _iegd_pci { - unsigned short vendor_id; - unsigned short device_id; - unsigned short bus; - unsigned short dev; - unsigned short func; -} iegd_pci_t; - -static iegd_pci_t intel_pci_device_table[] = { -#ifdef CONFIG_810 - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_810, 0, 2, 0}, -#endif -#ifdef CONFIG_810DC - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_810DC, 0, 2, 0}, -#endif -#ifdef CONFIG_810E - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_810E, 0, 2, 0}, -#endif -#ifdef CONFIG_815 - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_815, 0, 2, 0}, -#endif -#ifdef CONFIG_855 - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_855, 0, 2, 0}, -#endif -#ifdef CONFIG_830 - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_830M, 0, 2, 0}, -#endif -#ifdef CONFIG_835 - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_835, 0, 2, 0}, -#endif -#ifdef CONFIG_845 - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_845G, 0, 2, 0}, -#endif -#ifdef CONFIG_865 - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_865G, 0, 2, 0}, -#endif -#ifdef CONFIG_915GD - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_915GD, 0, 2, 0}, - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_910GL, 0, 2, 0}, -#endif -#ifdef CONFIG_915AL - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_915AL, 0, 2, 0}, -#endif -#ifdef CONFIG_945G - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_945G, 0, 2, 0}, -#endif -#ifdef CONFIG_945GM - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_945GM, 0, 2, 0}, - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_945GME, 0, 2, 0}, -#endif -#ifdef CONFIG_Q35 - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_Q35, 0, 2, 0}, - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_Q35A2, 0, 2, 0}, -#endif -#ifdef CONFIG_965G - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_965G, 0, 2, 0}, - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_G965, 0, 2, 0}, - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_Q965, 0, 2, 0}, - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_946GZ, 0, 2, 0}, -#endif -#ifdef CONFIG_965GM - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_GME965, 0, 2, 0}, - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_GM965, 0, 2, 0}, -#endif -#ifdef CONFIG_CTG - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_CTG, 0, 2, 0}, -#endif -#ifdef CONFIG_PLB - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_PLB, 0, 2, 0}, -#endif -#ifdef CONFIG_TNC - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_TNC, 0, 2, 0}, -#ifdef CONFIG_MSRT - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_TNC_A0, 0, 2, 0}, - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_LNC, 0, 2, 0}, -#endif -#endif -#ifdef CONFIG_Q45 - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_ELK, 0, 2, 0}, - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_Q45, 0, 2, 0}, - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_G45, 0, 2, 0}, - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_VGA_G41, 0, 2, 0}, -#endif - -}; - - -/* - * On platforms with multiple PCI devices (currently only Atom E6xx), we - * need to disable legacy VGA decoding on the second device, otherwise - * the VGA arbiter will prevent DRI from being used. Keep a list of - * devices we need to disable this on. - */ -static iegd_pci_t disabled_legacy_vga_list[] = { - {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_SDVO_TNC, 0, 0, 0}, -}; - -#define MAX_PCI_DEVICE_SUPPORTED \ - (sizeof(intel_pci_device_table)/sizeof(intel_pci_device_table[0])) -#define MAX_LEGACY_VGA_DISABLE \ - (sizeof(disabled_legacy_vga_list)/sizeof(disabled_legacy_vga_list[0])) - - -static dispatch_table_t init_dispatch_table[] = { - - DISPATCH_PLB(&init_dispatch_plb) - DISPATCH_TNC(&init_dispatch_tnc) -#ifdef CONFIG_MSRT - DISPATCH_TNC_A0(&init_dispatch_tnc_a0) - DISPATCH_LNC(&init_dispatch_lnc) -#endif - DISPATCH_END -}; - - - -static init_dispatch_t *init_dispatch; - - -/*--------------------------------------------------------------------------- - * Optional Init Module Components - *--------------------------------------------------------------------------*/ -#ifndef CONFIG_MICRO - -/*! - * This function allows for calling the igd_get_param function with a - * display handle instead of a driver handle. This version is exported in - * the dispatch table. - * - * @param display_handle - * @param id - * @param value - * - * @return igd_get_param() - */ -static int _igd_get_param(igd_display_h display_handle, - unsigned long id, - unsigned long *value) -{ - igd_display_context_t *display = (igd_display_context_t *)display_handle; - return igd_get_param((igd_driver_h)display->context, id, value); -} - -/*! - * This function allows for calling the igd_set_param function with a - * display handle instead of a driver handle. This version is exported in - * the dispatch table. - * - * @param display_handle - * @param id - * @param value - * - * @return igd_set_param() - */ -static int _igd_set_param(igd_display_h display_handle, - unsigned long id, - unsigned long value) -{ - igd_display_context_t *display = (igd_display_context_t *)display_handle; - return igd_set_param((igd_driver_h)display->context, id, value); -} - -/*! - * This function should never be called directly. It comprises the optional - * portion of the igd_set_param function which should be used instead. - * - * @param context - * @param id - * @param value - * - * @return set_param() - * @return 0 - */ -static int _init_set_param(igd_context_t *context, - unsigned long id, - unsigned long value) -{ - - switch(id) { - case IGD_PARAM_DEBUG_MASK: - *((unsigned long *)emgd_debug) = value; - break; - default: - return init_dispatch->set_param(context, id, value); - } - - return 0; -} - -/*! - * This function should never be called directly. It comprises the optional - * portion of the igd_get_param function which should be used instead. - * - * @param display_handle - * @param id - * @param value - * - * @return set_param() - * @return 0 - */ -static int _init_get_param(igd_display_h display_handle, - unsigned long id, - unsigned long *value) -{ - switch(id) { - case IGD_PARAM_DEBUG_MASK: - *value = *((unsigned long *)emgd_debug); - break; - default: - break; - } - return 0; -} - -/*! - * Hook up the dispatch pointers. These are only available when the - * full init module is compiled in. - * - * @param context - * - * @return void - */ -static void _init_dispatch(igd_context_t *context) -{ - /* Hook up top level dispatch table functions owner by init */ - context->dispatch.get_param = _igd_get_param; - context->dispatch.set_param = _igd_set_param; - return; -} - -/*! - * Shutdown all modules in the required order. Optional modules must - * only be called if they exist. - * - * @param context - * - * @return void - */ -static void shutdown_modules(igd_context_t *context) -{ - EMGD_TRACE_ENTER; - - if(context->mod_dispatch.shutdown_2d) { - context->mod_dispatch.shutdown_2d(context); - } - if(context->mod_dispatch.blend_shutdown) { - context->mod_dispatch.blend_shutdown(context); - } - if(context->mod_dispatch.interrupt_shutdown) { - context->mod_dispatch.interrupt_shutdown(context); - } - if(context->mod_dispatch.appcontext_shutdown) { - context->mod_dispatch.appcontext_shutdown(context); - } - if(context->mod_dispatch.reset_shutdown) { - context->mod_dispatch.reset_shutdown(context); - } - if(context->mod_dispatch.mode_shutdown) { - context->mod_dispatch.mode_shutdown(context); - } - if(context->mod_dispatch.pwr_shutdown) { - context->mod_dispatch.pwr_shutdown(context); - } - if(context->mod_dispatch.overlay_shutdown) { - context->mod_dispatch.overlay_shutdown(context); - } - if(context->mod_dispatch.cmd_shutdown) { - context->mod_dispatch.cmd_shutdown(context); - } - /* - * GMM is not optional shutdown must exist. - */ - gmm_shutdown(context); - - /* - * Reg module must be last to restore the state of the device to the - * way it was before the driver started. - */ - EMGD_DEBUG("post reg_shutdown: %p", context->mod_dispatch.reg_shutdown); - if(context->mod_dispatch.reg_shutdown) { - context->mod_dispatch.reg_shutdown(context); - } - - EMGD_TRACE_EXIT; -} - -#endif - -/*! - * Empty idle function. This insures that anyone can call - * dispatch->idle() in any configuration. If there is a command - * module this will get replaced with a real idle function. - * - * @param driver_handle - * - * @return 0 - */ -static int empty_idle(igd_driver_h driver_handle) -{ - return 0; -} - -/*! - * Empty sync function. This insures that anyone can call - * dispatch->sync() in any configuration. - * - * @param display_handle pointer to an IGD_DISPLAY pointer returned - * from a successful call to dispatch->alter_displays(). - * - * @param priority The command queue to use. IGD_PRIORITY_NORMAL is - * correct for most circumstances. - * - * @param sync The sync identifier that will be populated and returned - * during the call. To insert a new sync, this should be passed - * containing 0 (A pointer to a zero). To check the status of an - * existing sync pass the value returned from a previous call to - * this function. - * - * @param flags Sync flags. - * - * @returns - * 0: On Success - * -IGD_ERROR_BUSY: When the sync is not yet complete - */ -static int empty_sync(igd_display_h display_handle, int priority, - unsigned long *sync, unsigned long flags) -{ - return 0; -} - -/*! - * Non-Optional Init Module Components - * - * @param found_device - * @param pdev - * - * @return 0 on success - * @return -IGD_ERROR_NODEV on failure - */ -static int detect_device(iegd_pci_t **found_device, - os_pci_dev_t *pdev) -{ - int i; - - /* Scan the PCI bus for supported device */ - for(i = 0; i < MAX_PCI_DEVICE_SUPPORTED; i++) { - - *pdev = OS_PCI_FIND_DEVICE(intel_pci_device_table[i].vendor_id, - intel_pci_device_table[i].device_id, - intel_pci_device_table[i].bus, - intel_pci_device_table[i].dev, - intel_pci_device_table[i].func, - (os_pci_dev_t)0); - - if(*pdev) { - *found_device = &intel_pci_device_table[i]; - break; - } - } - if(!*pdev) { - EMGD_ERROR("No supported VGA devices found."); - return -IGD_ERROR_NODEV; - } - - EMGD_DEBUG("VGA device found: 0x%x", (*found_device)->device_id); - - return 0; -} - -/* This is currently a global context, because the context is needed - * in io.c for vbios in OS_READx and OS_WRITEx functions. */ -igd_context_t *fixme_vbios_context; - -/* By declaring io_mapped and io_base as globals, we no longer need to - * include context.h in the vbios common io.c */ - -/* Device 0:2:0 io_base */ -unsigned char io_mapped; /* True for io mapped MMIO space */ -unsigned short io_base; - -/* Device 0:2:0 [VGA device] io_base */ -unsigned char io_mapped_lvds; /* True for io mapped MMIO space */ -unsigned short io_base_lvds; - -/* Device 0:3:0 [SDVO device] io_base */ -unsigned char io_mapped_sdvo; /* True for io mapped MMIO space */ -unsigned short io_base_sdvo; - -/* Device 0:31:0 [LPC device] io_base */ -unsigned char io_mapped_lpc; /* True for io mapped MMIO space */ -unsigned short io_base_lpc; - - -/*! - * This function is directly exported. - * - * @param found_device - * @param pdev - * - * @return igd_driver_h - * @return NULL on failure - */ -igd_driver_h igd_driver_init( igd_init_info_t *init_info ) -{ - igd_context_t *context; - os_pci_dev_t pdev = (os_pci_dev_t)NULL; - os_pci_dev_t vga_disable_dev; - iegd_pci_t *found_device; - int ret; - int i; - - EMGD_TRACE_ENTER; - - /* Allocate a context */ - context = (void *) OS_ALLOC(sizeof(igd_context_t)); - fixme_vbios_context = context; - if(!context) { - EMGD_ERROR_EXIT("igd_driver_init failed to create context"); - return NULL; - } - OS_MEMSET(context, 0, sizeof(igd_context_t)); - - /* Search VGA devices for a supported one */ - ret = detect_device(&found_device, &pdev); - if(ret) { - OS_FREE(context); - return NULL; - } - - /* - * Some platforms (currently only Atom E6xx) use two PCI devices (the - * second device being for SDVO) and this causes the VGA arbiter to get - * involved. Legacy VGA decoding must be disabled for all PCI devices - * except one, otherwise the VGA arbiter will prevent DRI usage in the - * X server. - */ - for (i = 0; i < MAX_LEGACY_VGA_DISABLE; i++) { - vga_disable_dev = os_pci_find_device(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_SDVO_TNC, 0xFFFF, 0, 0, NULL); - if (vga_disable_dev) { - printk(KERN_INFO "VGA arbiter detected; disabling legacy VGA" - " decoding on SDVO device\n"); - os_pci_disable_legacy_vga_decoding(vga_disable_dev); - os_pci_free_device(vga_disable_dev); - } - } - - context->device_context.did = found_device->device_id; - init_dispatch = (init_dispatch_t *)dispatch_acquire(context, - init_dispatch_table); - - if(!init_dispatch) { - EMGD_ERROR_EXIT("No dispatch found for listed device"); - return NULL; - } - - ret = init_dispatch->query(context, init_dispatch, pdev, &init_info->bus, - &init_info->slot, &init_info->func); - if(ret) { - OS_FREE(context); - EMGD_ERROR_EXIT("Device Dependent Query Failed"); - return NULL; - } - - /* init info */ - init_info->vendor_id = found_device->vendor_id; - init_info->device_id = found_device->device_id; - init_info->name = init_dispatch->name; - init_info->chipset = init_dispatch->chipset; - init_info->default_pd_list = init_dispatch->default_pd_list; - - EMGD_TRACE_EXIT; - - return (igd_driver_h)context; -} - -/*! - * 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; -} - -/*! - * Initialize modules in the required order. Optional modules must be called - * with their initalization macro to ensure that they are not called when - * their option is not enabled. - * - * @param params - * @param context - * - * @return 0 on success - * @return 1 on failure - */ -/* FIXME: All modules should get params from mod_dispatch */ -static int init_modules(igd_param_t *params, igd_context_t *context) -{ - unsigned int ret; - - EMGD_TRACE_ENTER; - - /* - * Reg module must be first so that the state of the device can be - * saved before anything else is touched. - */ - ret = REG_INIT(context, (params->preserve_regs)?IGD_DRIVER_SAVE_RESTORE:0); - if (ret) { - EMGD_DEBUG("Error initializing register module"); - } - - /* - * GMM is not optional. Its init function must exist. - */ - ret = gmm_init(context, params->page_request, params->max_fb_size); - if(ret) { - EMGD_ERROR_EXIT("GMM Module Init Failed"); - return ret; - } - - ret = CMD_INIT(context); - if(ret) { - EMGD_ERROR_EXIT("Command Module Init Failed"); - return ret; - } - - /* - * Mode is not optional. Its init function must exist. - */ - ret = mode_init(context); - if (ret) { - EMGD_ERROR_EXIT("Mode Module Init Failed"); - return ret; - } - - ret = APPCONTEXT_INIT(context); - if (ret) { - EMGD_ERROR_EXIT("Appcontext Module Init Failed"); - return ret; - } - - ret = OVERLAY_INIT(context, params); - if(ret) { - EMGD_ERROR_EXIT("Overlay Module Init Failed"); - return ret; - } - - ret = PWR_INIT(context); - if(ret) { - EMGD_DEBUG("Error initializing power module"); - } - - ret = RESET_INIT(context); - if(ret) { - EMGD_DEBUG("Error initializing reset module"); - } - - ret = OS_INIT_INTERRUPT(context->device_context.did, - context->device_context.virt_mmadr); - if(ret) { - EMGD_ERROR_EXIT("Interrupt Module Init Failed"); - return ret; - } - - ret = BLEND_INIT(context); - if(ret) { - EMGD_DEBUG("Error initializing blend module"); - } - - ret = INIT_2D(context); - if(ret) { - EMGD_DEBUG("Error initializing 2d module"); - } - - EMGD_TRACE_EXIT; - return 0; -} - -/*! - * This function is directly exported. - * - * @param driver_handle - * @param dsp - * @param params - * - * @return 0 on success - * @return 1 on failure - */ -int igd_module_init(igd_driver_h driver_handle, - igd_dispatch_t **dsp, - igd_param_t *params) -{ - igd_context_t *context = (igd_context_t *)driver_handle; - device_context_t *device; - int ret = 0; - - EMGD_TRACE_ENTER; - - device = &context->device_context; - context->device_context.power_state = IGD_POWERSTATE_D0; - context->mod_dispatch.init_params = params; - context->dispatch.idle = empty_idle; - context->dispatch.sync = empty_sync; - - /* Intialize IGD Modules */ - ret = init_modules(params, context); - if (ret) { - EMGD_ERROR_EXIT("Init Modules Failed"); - return ret; - } - - OPT_MICRO_VOID_CALL(_init_dispatch(context)); - - *dsp = &context->dispatch; - - EMGD_TRACE_EXIT; - return 0; -} - -/*! - * 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; -} - -/*! - * This function is exported directly. It will shutdown an instance - * of the HAL that was initialized with igd_driver_init. - * - * Since the symbol is exported as part of the documented API it must - * always exist, however it becomes an empty function when the init - * module is not fully included. - * - * @param driver_handle - * - * @return void - */ -void igd_driver_shutdown(igd_driver_h driver_handle) -{ - igd_context_t *context = (igd_context_t *)driver_handle; - - EMGD_TRACE_ENTER; - - EMGD_ASSERT(context, "Null Driver Handle", ); - - - /* Shutdown the device context */ - init_dispatch->shutdown(context); - - /* release the driver's context */ - if(context) { - EMGD_DEBUG("Freeing context"); - OS_FREE(context); - } - - EMGD_TRACE_EXIT; - return; -} - -/*! - * This function is exported. It will shutdown most of the display - * functions. - * - * @param driver_handle - * - * @return void - */ -void igd_driver_shutdown_hal(igd_driver_h driver_handle) -{ - igd_context_t *context = (igd_context_t *)driver_handle; - - EMGD_TRACE_ENTER; - - EMGD_ASSERT(context, "Null Driver Handle", ); - - if(context->device_context.power_state != IGD_POWERSTATE_D0) { - return; - } - - /* Shutdown Modules */ - shutdown_modules(context); - - EMGD_TRACE_EXIT; - return; -} - -/*---------------------------------------------------------------------------- - * File Revision History - * $Id: igd_init.c,v 1.16 2010/09/25 00:49:45 syeh2 Exp $ - * $Source: /nfs/fm/proj/eia/cvsroot/koheo/linux/egd_drm/emgd/core/init/cmn/igd_init.c,v $ - *---------------------------------------------------------------------------- - */ - |