| /************************************************************************** | 
 |  * Copyright (c) 2007-2011, Intel Corporation. | 
 |  * All Rights Reserved. | 
 |  * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA. | 
 |  * All Rights Reserved. | 
 |  * | 
 |  * 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. | 
 |  * | 
 |  **************************************************************************/ | 
 |  | 
 | #include <drm/drmP.h> | 
 | #include <drm/drm.h> | 
 | #include "gma_drm.h" | 
 | #include "psb_drv.h" | 
 | #include "framebuffer.h" | 
 | #include "psb_reg.h" | 
 | #include "psb_intel_reg.h" | 
 | #include "intel_bios.h" | 
 | #include "mid_bios.h" | 
 | #include <drm/drm_pciids.h> | 
 | #include "power.h" | 
 | #include <linux/cpu.h> | 
 | #include <linux/notifier.h> | 
 | #include <linux/spinlock.h> | 
 | #include <linux/pm_runtime.h> | 
 | #include <acpi/video.h> | 
 | #include <linux/module.h> | 
 |  | 
 | static int drm_psb_trap_pagefaults; | 
 |  | 
 | static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent); | 
 |  | 
 | MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults"); | 
 | module_param_named(trap_pagefaults, drm_psb_trap_pagefaults, int, 0600); | 
 |  | 
 |  | 
 | static DEFINE_PCI_DEVICE_TABLE(pciidlist) = { | 
 | 	{ 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops }, | 
 | 	{ 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops }, | 
 | #if defined(CONFIG_DRM_GMA600) | 
 | 	{ 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, | 
 | 	{ 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, | 
 | 	{ 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, | 
 | 	{ 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, | 
 | 	{ 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, | 
 | 	{ 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, | 
 | 	{ 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, | 
 | 	{ 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, | 
 | 	/* Atom E620 */ | 
 | 	{ 0x8086, 0x4108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops}, | 
 | #endif | 
 | #if defined(CONFIG_DRM_MEDFIELD) | 
 | 	{0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, | 
 | 	{0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, | 
 | 	{0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, | 
 | 	{0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, | 
 | 	{0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, | 
 | 	{0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, | 
 | 	{0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, | 
 | 	{0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, | 
 | #endif | 
 | #if defined(CONFIG_DRM_GMA3600) | 
 | 	{ 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0be8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0be9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0bea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0beb, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0bec, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0bed, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0bee, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | 	{ 0x8086, 0x0bef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, | 
 | #endif | 
 | 	{ 0, } | 
 | }; | 
 | MODULE_DEVICE_TABLE(pci, pciidlist); | 
 |  | 
 | /* | 
 |  * Standard IOCTLs. | 
 |  */ | 
 |  | 
 | #define DRM_IOCTL_GMA_ADB	\ | 
 | 		DRM_IOWR(DRM_GMA_ADB + DRM_COMMAND_BASE, uint32_t) | 
 | #define DRM_IOCTL_GMA_MODE_OPERATION	\ | 
 | 		DRM_IOWR(DRM_GMA_MODE_OPERATION + DRM_COMMAND_BASE, \ | 
 | 			 struct drm_psb_mode_operation_arg) | 
 | #define DRM_IOCTL_GMA_STOLEN_MEMORY	\ | 
 | 		DRM_IOWR(DRM_GMA_STOLEN_MEMORY + DRM_COMMAND_BASE, \ | 
 | 			 struct drm_psb_stolen_memory_arg) | 
 | #define DRM_IOCTL_GMA_GAMMA	\ | 
 | 		DRM_IOWR(DRM_GMA_GAMMA + DRM_COMMAND_BASE, \ | 
 | 			 struct drm_psb_dpst_lut_arg) | 
 | #define DRM_IOCTL_GMA_DPST_BL	\ | 
 | 		DRM_IOWR(DRM_GMA_DPST_BL + DRM_COMMAND_BASE, \ | 
 | 			 uint32_t) | 
 | #define DRM_IOCTL_GMA_GET_PIPE_FROM_CRTC_ID	\ | 
 | 		DRM_IOWR(DRM_GMA_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \ | 
 | 			 struct drm_psb_get_pipe_from_crtc_id_arg) | 
 | #define DRM_IOCTL_GMA_GEM_CREATE	\ | 
 | 		DRM_IOWR(DRM_GMA_GEM_CREATE + DRM_COMMAND_BASE, \ | 
 | 			 struct drm_psb_gem_create) | 
 | #define DRM_IOCTL_GMA_GEM_MMAP	\ | 
 | 		DRM_IOWR(DRM_GMA_GEM_MMAP + DRM_COMMAND_BASE, \ | 
 | 			 struct drm_psb_gem_mmap) | 
 |  | 
 | static int psb_adb_ioctl(struct drm_device *dev, void *data, | 
 | 			 struct drm_file *file_priv); | 
 | static int psb_mode_operation_ioctl(struct drm_device *dev, void *data, | 
 | 				    struct drm_file *file_priv); | 
 | static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data, | 
 | 				   struct drm_file *file_priv); | 
 | static int psb_gamma_ioctl(struct drm_device *dev, void *data, | 
 | 			   struct drm_file *file_priv); | 
 | static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data, | 
 | 			     struct drm_file *file_priv); | 
 |  | 
 | static struct drm_ioctl_desc psb_ioctls[] = { | 
 | 	DRM_IOCTL_DEF_DRV(GMA_ADB, psb_adb_ioctl, DRM_AUTH), | 
 | 	DRM_IOCTL_DEF_DRV(GMA_MODE_OPERATION, psb_mode_operation_ioctl, | 
 | 		      DRM_AUTH), | 
 | 	DRM_IOCTL_DEF_DRV(GMA_STOLEN_MEMORY, psb_stolen_memory_ioctl, | 
 | 		      DRM_AUTH), | 
 | 	DRM_IOCTL_DEF_DRV(GMA_GAMMA, psb_gamma_ioctl, DRM_AUTH), | 
 | 	DRM_IOCTL_DEF_DRV(GMA_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH), | 
 | 	DRM_IOCTL_DEF_DRV(GMA_GET_PIPE_FROM_CRTC_ID, | 
 | 					psb_intel_get_pipe_from_crtc_id, 0), | 
 | 	DRM_IOCTL_DEF_DRV(GMA_GEM_CREATE, psb_gem_create_ioctl, | 
 | 						DRM_UNLOCKED | DRM_AUTH), | 
 | 	DRM_IOCTL_DEF_DRV(GMA_GEM_MMAP, psb_gem_mmap_ioctl, | 
 | 						DRM_UNLOCKED | DRM_AUTH), | 
 | }; | 
 |  | 
 | static void psb_lastclose(struct drm_device *dev) | 
 | { | 
 | 	return; | 
 | } | 
 |  | 
 | static int psb_do_init(struct drm_device *dev) | 
 | { | 
 | 	struct drm_psb_private *dev_priv = dev->dev_private; | 
 | 	struct psb_gtt *pg = &dev_priv->gtt; | 
 |  | 
 | 	uint32_t stolen_gtt; | 
 |  | 
 | 	int ret = -ENOMEM; | 
 |  | 
 | 	if (pg->mmu_gatt_start & 0x0FFFFFFF) { | 
 | 		dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n"); | 
 | 		ret = -EINVAL; | 
 | 		goto out_err; | 
 | 	} | 
 |  | 
 |  | 
 | 	stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4; | 
 | 	stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT; | 
 | 	stolen_gtt = | 
 | 	    (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages; | 
 |  | 
 | 	dev_priv->gatt_free_offset = pg->mmu_gatt_start + | 
 | 	    (stolen_gtt << PAGE_SHIFT) * 1024; | 
 |  | 
 | 	spin_lock_init(&dev_priv->irqmask_lock); | 
 | 	spin_lock_init(&dev_priv->lock_2d); | 
 |  | 
 | 	PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0); | 
 | 	PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1); | 
 | 	PSB_RSGX32(PSB_CR_BIF_BANK1); | 
 | 	PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK, | 
 | 							PSB_CR_BIF_CTRL); | 
 | 	psb_spank(dev_priv); | 
 |  | 
 | 	/* mmu_gatt ?? */ | 
 | 	PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE); | 
 | 	return 0; | 
 | out_err: | 
 | 	return ret; | 
 | } | 
 |  | 
 | static int psb_driver_unload(struct drm_device *dev) | 
 | { | 
 | 	struct drm_psb_private *dev_priv = dev->dev_private; | 
 |  | 
 | 	/* Kill vblank etc here */ | 
 |  | 
 |  | 
 | 	if (dev_priv) { | 
 | 		if (dev_priv->backlight_device) | 
 | 			gma_backlight_exit(dev); | 
 | 		psb_modeset_cleanup(dev); | 
 |  | 
 | 		if (dev_priv->ops->chip_teardown) | 
 | 			dev_priv->ops->chip_teardown(dev); | 
 |  | 
 | 		psb_intel_opregion_fini(dev); | 
 |  | 
 | 		if (dev_priv->pf_pd) { | 
 | 			psb_mmu_free_pagedir(dev_priv->pf_pd); | 
 | 			dev_priv->pf_pd = NULL; | 
 | 		} | 
 | 		if (dev_priv->mmu) { | 
 | 			struct psb_gtt *pg = &dev_priv->gtt; | 
 |  | 
 | 			down_read(&pg->sem); | 
 | 			psb_mmu_remove_pfn_sequence( | 
 | 				psb_mmu_get_default_pd | 
 | 				(dev_priv->mmu), | 
 | 				pg->mmu_gatt_start, | 
 | 				dev_priv->vram_stolen_size >> PAGE_SHIFT); | 
 | 			up_read(&pg->sem); | 
 | 			psb_mmu_driver_takedown(dev_priv->mmu); | 
 | 			dev_priv->mmu = NULL; | 
 | 		} | 
 | 		psb_gtt_takedown(dev); | 
 | 		if (dev_priv->scratch_page) { | 
 | 			set_pages_wb(dev_priv->scratch_page, 1); | 
 | 			__free_page(dev_priv->scratch_page); | 
 | 			dev_priv->scratch_page = NULL; | 
 | 		} | 
 | 		if (dev_priv->vdc_reg) { | 
 | 			iounmap(dev_priv->vdc_reg); | 
 | 			dev_priv->vdc_reg = NULL; | 
 | 		} | 
 | 		if (dev_priv->sgx_reg) { | 
 | 			iounmap(dev_priv->sgx_reg); | 
 | 			dev_priv->sgx_reg = NULL; | 
 | 		} | 
 |  | 
 | 		/* Destroy VBT data */ | 
 | 		psb_intel_destroy_bios(dev); | 
 |  | 
 | 		kfree(dev_priv); | 
 | 		dev->dev_private = NULL; | 
 | 	} | 
 | 	gma_power_uninit(dev); | 
 | 	return 0; | 
 | } | 
 |  | 
 |  | 
 | static int psb_driver_load(struct drm_device *dev, unsigned long chipset) | 
 | { | 
 | 	struct drm_psb_private *dev_priv; | 
 | 	unsigned long resource_start; | 
 | 	unsigned long irqflags; | 
 | 	int ret = -ENOMEM; | 
 | 	struct drm_connector *connector; | 
 | 	struct psb_intel_encoder *psb_intel_encoder; | 
 |  | 
 | 	dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); | 
 | 	if (dev_priv == NULL) | 
 | 		return -ENOMEM; | 
 |  | 
 | 	dev_priv->ops = (struct psb_ops *)chipset; | 
 | 	dev_priv->dev = dev; | 
 | 	dev->dev_private = (void *) dev_priv; | 
 |  | 
 | 	pci_set_master(dev->pdev); | 
 |  | 
 | 	dev_priv->num_pipe = dev_priv->ops->pipes; | 
 |  | 
 | 	resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE); | 
 |  | 
 | 	dev_priv->vdc_reg = | 
 | 	    ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE); | 
 | 	if (!dev_priv->vdc_reg) | 
 | 		goto out_err; | 
 |  | 
 | 	dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset, | 
 | 							PSB_SGX_SIZE); | 
 | 	if (!dev_priv->sgx_reg) | 
 | 		goto out_err; | 
 |  | 
 | 	psb_intel_opregion_setup(dev); | 
 |  | 
 | 	ret = dev_priv->ops->chip_setup(dev); | 
 | 	if (ret) | 
 | 		goto out_err; | 
 |  | 
 | 	/* Init OSPM support */ | 
 | 	gma_power_init(dev); | 
 |  | 
 | 	ret = -ENOMEM; | 
 |  | 
 | 	dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO); | 
 | 	if (!dev_priv->scratch_page) | 
 | 		goto out_err; | 
 |  | 
 | 	set_pages_uc(dev_priv->scratch_page, 1); | 
 |  | 
 | 	ret = psb_gtt_init(dev, 0); | 
 | 	if (ret) | 
 | 		goto out_err; | 
 |  | 
 | 	dev_priv->mmu = psb_mmu_driver_init((void *)0, | 
 | 					drm_psb_trap_pagefaults, 0, | 
 | 					dev_priv); | 
 | 	if (!dev_priv->mmu) | 
 | 		goto out_err; | 
 |  | 
 | 	dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0); | 
 | 	if (!dev_priv->pf_pd) | 
 | 		goto out_err; | 
 |  | 
 | 	psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0); | 
 | 	psb_mmu_set_pd_context(dev_priv->pf_pd, 1); | 
 |  | 
 | 	ret = psb_do_init(dev); | 
 | 	if (ret) | 
 | 		return ret; | 
 |  | 
 | 	PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE); | 
 | 	PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE); | 
 |  | 
 | 	acpi_video_register(); | 
 |  | 
 | 	ret = drm_vblank_init(dev, dev_priv->num_pipe); | 
 | 	if (ret) | 
 | 		goto out_err; | 
 |  | 
 | 	/* | 
 | 	 * Install interrupt handlers prior to powering off SGX or else we will | 
 | 	 * crash. | 
 | 	 */ | 
 | 	dev_priv->vdc_irq_mask = 0; | 
 | 	dev_priv->pipestat[0] = 0; | 
 | 	dev_priv->pipestat[1] = 0; | 
 | 	dev_priv->pipestat[2] = 0; | 
 | 	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); | 
 | 	PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); | 
 | 	PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R); | 
 | 	PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R); | 
 | 	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); | 
 |  | 
 | 	drm_irq_install(dev); | 
 |  | 
 | 	dev->vblank_disable_allowed = 1; | 
 |  | 
 | 	dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ | 
 |  | 
 | 	dev->driver->get_vblank_counter = psb_get_vblank_counter; | 
 |  | 
 | 	psb_modeset_init(dev); | 
 | 	psb_fbdev_init(dev); | 
 | 	drm_kms_helper_poll_init(dev); | 
 |  | 
 | 	/* Only add backlight support if we have LVDS output */ | 
 | 	list_for_each_entry(connector, &dev->mode_config.connector_list, | 
 | 			    head) { | 
 | 		psb_intel_encoder = psb_intel_attached_encoder(connector); | 
 |  | 
 | 		switch (psb_intel_encoder->type) { | 
 | 		case INTEL_OUTPUT_LVDS: | 
 | 		case INTEL_OUTPUT_MIPI: | 
 | 			ret = gma_backlight_init(dev); | 
 | 			break; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	if (ret) | 
 | 		return ret; | 
 | #if 0 | 
 | 	/*enable runtime pm at last*/ | 
 | 	pm_runtime_enable(&dev->pdev->dev); | 
 | 	pm_runtime_set_active(&dev->pdev->dev); | 
 | #endif | 
 | 	/*Intel drm driver load is done, continue doing pvr load*/ | 
 | 	return 0; | 
 | out_err: | 
 | 	psb_driver_unload(dev); | 
 | 	return ret; | 
 | } | 
 |  | 
 | static int psb_driver_device_is_agp(struct drm_device *dev) | 
 | { | 
 | 	return 0; | 
 | } | 
 |  | 
 | static inline void get_brightness(struct backlight_device *bd) | 
 | { | 
 | #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE | 
 | 	if (bd) { | 
 | 		bd->props.brightness = bd->ops->get_brightness(bd); | 
 | 		backlight_update_status(bd); | 
 | 	} | 
 | #endif | 
 | } | 
 |  | 
 | static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data, | 
 | 		       struct drm_file *file_priv) | 
 | { | 
 | 	struct drm_psb_private *dev_priv = psb_priv(dev); | 
 | 	uint32_t *arg = data; | 
 |  | 
 | 	dev_priv->blc_adj2 = *arg; | 
 | 	get_brightness(dev_priv->backlight_device); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int psb_adb_ioctl(struct drm_device *dev, void *data, | 
 | 			struct drm_file *file_priv) | 
 | { | 
 | 	struct drm_psb_private *dev_priv = psb_priv(dev); | 
 | 	uint32_t *arg = data; | 
 |  | 
 | 	dev_priv->blc_adj1 = *arg; | 
 | 	get_brightness(dev_priv->backlight_device); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int psb_gamma_ioctl(struct drm_device *dev, void *data, | 
 | 			   struct drm_file *file_priv) | 
 | { | 
 | 	struct drm_psb_dpst_lut_arg *lut_arg = data; | 
 | 	struct drm_mode_object *obj; | 
 | 	struct drm_crtc *crtc; | 
 | 	struct drm_connector *connector; | 
 | 	struct psb_intel_crtc *psb_intel_crtc; | 
 | 	int i = 0; | 
 | 	int32_t obj_id; | 
 |  | 
 | 	obj_id = lut_arg->output_id; | 
 | 	obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR); | 
 | 	if (!obj) { | 
 | 		dev_dbg(dev->dev, "Invalid Connector object.\n"); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	connector = obj_to_connector(obj); | 
 | 	crtc = connector->encoder->crtc; | 
 | 	psb_intel_crtc = to_psb_intel_crtc(crtc); | 
 |  | 
 | 	for (i = 0; i < 256; i++) | 
 | 		psb_intel_crtc->lut_adj[i] = lut_arg->lut[i]; | 
 |  | 
 | 	psb_intel_crtc_load_lut(crtc); | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int psb_mode_operation_ioctl(struct drm_device *dev, void *data, | 
 | 				struct drm_file *file_priv) | 
 | { | 
 | 	uint32_t obj_id; | 
 | 	uint16_t op; | 
 | 	struct drm_mode_modeinfo *umode; | 
 | 	struct drm_display_mode *mode = NULL; | 
 | 	struct drm_psb_mode_operation_arg *arg; | 
 | 	struct drm_mode_object *obj; | 
 | 	struct drm_connector *connector; | 
 | 	struct drm_connector_helper_funcs *connector_funcs; | 
 | 	int ret = 0; | 
 | 	int resp = MODE_OK; | 
 |  | 
 | 	arg = (struct drm_psb_mode_operation_arg *)data; | 
 | 	obj_id = arg->obj_id; | 
 | 	op = arg->operation; | 
 |  | 
 | 	switch (op) { | 
 | 	case PSB_MODE_OPERATION_MODE_VALID: | 
 | 		umode = &arg->mode; | 
 |  | 
 | 		mutex_lock(&dev->mode_config.mutex); | 
 |  | 
 | 		obj = drm_mode_object_find(dev, obj_id, | 
 | 					DRM_MODE_OBJECT_CONNECTOR); | 
 | 		if (!obj) { | 
 | 			ret = -EINVAL; | 
 | 			goto mode_op_out; | 
 | 		} | 
 |  | 
 | 		connector = obj_to_connector(obj); | 
 |  | 
 | 		mode = drm_mode_create(dev); | 
 | 		if (!mode) { | 
 | 			ret = -ENOMEM; | 
 | 			goto mode_op_out; | 
 | 		} | 
 |  | 
 | 		/* drm_crtc_convert_umode(mode, umode); */ | 
 | 		{ | 
 | 			mode->clock = umode->clock; | 
 | 			mode->hdisplay = umode->hdisplay; | 
 | 			mode->hsync_start = umode->hsync_start; | 
 | 			mode->hsync_end = umode->hsync_end; | 
 | 			mode->htotal = umode->htotal; | 
 | 			mode->hskew = umode->hskew; | 
 | 			mode->vdisplay = umode->vdisplay; | 
 | 			mode->vsync_start = umode->vsync_start; | 
 | 			mode->vsync_end = umode->vsync_end; | 
 | 			mode->vtotal = umode->vtotal; | 
 | 			mode->vscan = umode->vscan; | 
 | 			mode->vrefresh = umode->vrefresh; | 
 | 			mode->flags = umode->flags; | 
 | 			mode->type = umode->type; | 
 | 			strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN); | 
 | 			mode->name[DRM_DISPLAY_MODE_LEN-1] = 0; | 
 | 		} | 
 |  | 
 | 		connector_funcs = (struct drm_connector_helper_funcs *) | 
 | 				   connector->helper_private; | 
 |  | 
 | 		if (connector_funcs->mode_valid) { | 
 | 			resp = connector_funcs->mode_valid(connector, mode); | 
 | 			arg->data = resp; | 
 | 		} | 
 |  | 
 | 		/*do some clean up work*/ | 
 | 		if (mode) | 
 | 			drm_mode_destroy(dev, mode); | 
 | mode_op_out: | 
 | 		mutex_unlock(&dev->mode_config.mutex); | 
 | 		return ret; | 
 |  | 
 | 	default: | 
 | 		dev_dbg(dev->dev, "Unsupported psb mode operation\n"); | 
 | 		return -EOPNOTSUPP; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data, | 
 | 				   struct drm_file *file_priv) | 
 | { | 
 | 	struct drm_psb_private *dev_priv = psb_priv(dev); | 
 | 	struct drm_psb_stolen_memory_arg *arg = data; | 
 |  | 
 | 	arg->base = dev_priv->stolen_base; | 
 | 	arg->size = dev_priv->vram_stolen_size; | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int psb_driver_open(struct drm_device *dev, struct drm_file *priv) | 
 | { | 
 | 	return 0; | 
 | } | 
 |  | 
 | static void psb_driver_close(struct drm_device *dev, struct drm_file *priv) | 
 | { | 
 | } | 
 |  | 
 | static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd, | 
 | 			       unsigned long arg) | 
 | { | 
 | 	struct drm_file *file_priv = filp->private_data; | 
 | 	struct drm_device *dev = file_priv->minor->dev; | 
 | 	struct drm_psb_private *dev_priv = dev->dev_private; | 
 | 	static unsigned int runtime_allowed; | 
 |  | 
 | 	if (runtime_allowed == 1 && dev_priv->is_lvds_on) { | 
 | 		runtime_allowed++; | 
 | 		pm_runtime_allow(&dev->pdev->dev); | 
 | 		dev_priv->rpm_enabled = 1; | 
 | 	} | 
 | 	return drm_ioctl(filp, cmd, arg); | 
 | 	/* FIXME: do we need to wrap the other side of this */ | 
 | } | 
 |  | 
 |  | 
 | /* When a client dies: | 
 |  *    - Check for and clean up flipped page state | 
 |  */ | 
 | static void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv) | 
 | { | 
 | } | 
 |  | 
 | static void psb_remove(struct pci_dev *pdev) | 
 | { | 
 | 	struct drm_device *dev = pci_get_drvdata(pdev); | 
 | 	drm_put_dev(dev); | 
 | } | 
 |  | 
 | static const struct dev_pm_ops psb_pm_ops = { | 
 | 	.resume = gma_power_resume, | 
 | 	.suspend = gma_power_suspend, | 
 | 	.runtime_suspend = psb_runtime_suspend, | 
 | 	.runtime_resume = psb_runtime_resume, | 
 | 	.runtime_idle = psb_runtime_idle, | 
 | }; | 
 |  | 
 | static const struct vm_operations_struct psb_gem_vm_ops = { | 
 | 	.fault = psb_gem_fault, | 
 | 	.open = drm_gem_vm_open, | 
 | 	.close = drm_gem_vm_close, | 
 | }; | 
 |  | 
 | static const struct file_operations psb_gem_fops = { | 
 | 	.owner = THIS_MODULE, | 
 | 	.open = drm_open, | 
 | 	.release = drm_release, | 
 | 	.unlocked_ioctl = psb_unlocked_ioctl, | 
 | 	.mmap = drm_gem_mmap, | 
 | 	.poll = drm_poll, | 
 | 	.fasync = drm_fasync, | 
 | 	.read = drm_read, | 
 | }; | 
 |  | 
 | static struct drm_driver driver = { | 
 | 	.driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \ | 
 | 			   DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM , | 
 | 	.load = psb_driver_load, | 
 | 	.unload = psb_driver_unload, | 
 |  | 
 | 	.ioctls = psb_ioctls, | 
 | 	.num_ioctls = DRM_ARRAY_SIZE(psb_ioctls), | 
 | 	.device_is_agp = psb_driver_device_is_agp, | 
 | 	.irq_preinstall = psb_irq_preinstall, | 
 | 	.irq_postinstall = psb_irq_postinstall, | 
 | 	.irq_uninstall = psb_irq_uninstall, | 
 | 	.irq_handler = psb_irq_handler, | 
 | 	.enable_vblank = psb_enable_vblank, | 
 | 	.disable_vblank = psb_disable_vblank, | 
 | 	.get_vblank_counter = psb_get_vblank_counter, | 
 | 	.lastclose = psb_lastclose, | 
 | 	.open = psb_driver_open, | 
 | 	.preclose = psb_driver_preclose, | 
 | 	.postclose = psb_driver_close, | 
 | 	.reclaim_buffers = drm_core_reclaim_buffers, | 
 |  | 
 | 	.gem_init_object = psb_gem_init_object, | 
 | 	.gem_free_object = psb_gem_free_object, | 
 | 	.gem_vm_ops = &psb_gem_vm_ops, | 
 | 	.dumb_create = psb_gem_dumb_create, | 
 | 	.dumb_map_offset = psb_gem_dumb_map_gtt, | 
 | 	.dumb_destroy = psb_gem_dumb_destroy, | 
 | 	.fops = &psb_gem_fops, | 
 | 	.name = DRIVER_NAME, | 
 | 	.desc = DRIVER_DESC, | 
 | 	.date = PSB_DRM_DRIVER_DATE, | 
 | 	.major = PSB_DRM_DRIVER_MAJOR, | 
 | 	.minor = PSB_DRM_DRIVER_MINOR, | 
 | 	.patchlevel = PSB_DRM_DRIVER_PATCHLEVEL | 
 | }; | 
 |  | 
 | static struct pci_driver psb_pci_driver = { | 
 | 	.name = DRIVER_NAME, | 
 | 	.id_table = pciidlist, | 
 | 	.probe = psb_probe, | 
 | 	.remove = psb_remove, | 
 | 	.driver = { | 
 | 		.pm = &psb_pm_ops, | 
 | 	} | 
 | }; | 
 |  | 
 | static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | 
 | { | 
 | 	return drm_get_pci_dev(pdev, ent, &driver); | 
 | } | 
 |  | 
 | static int __init psb_init(void) | 
 | { | 
 | 	return drm_pci_init(&driver, &psb_pci_driver); | 
 | } | 
 |  | 
 | static void __exit psb_exit(void) | 
 | { | 
 | 	drm_pci_exit(&driver, &psb_pci_driver); | 
 | } | 
 |  | 
 | late_initcall(psb_init); | 
 | module_exit(psb_exit); | 
 |  | 
 | MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others"); | 
 | MODULE_DESCRIPTION(DRIVER_DESC); | 
 | MODULE_LICENSE("GPL"); |