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- /**************************************************************************
- * 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 "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 struct drm_driver driver;
- static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
- /*
- * The table below contains a mapping of the PCI vendor ID and the PCI Device ID
- * to the different groups of PowerVR 5-series chip designs
- *
- * 0x8086 = Intel Corporation
- *
- * PowerVR SGX535 - Poulsbo - Intel GMA 500, Intel Atom Z5xx
- * PowerVR SGX535 - Moorestown - Intel GMA 600
- * PowerVR SGX535 - Oaktrail - Intel GMA 600, Intel Atom Z6xx, E6xx
- * PowerVR SGX540 - Medfield - Intel Atom Z2460
- * PowerVR SGX544MP2 - Medfield -
- * PowerVR SGX545 - Cedartrail - Intel GMA 3600, Intel Atom D2500, N2600
- * PowerVR SGX545 - Cedartrail - Intel GMA 3650, Intel Atom D2550, D2700,
- * N2800
- */
- static const struct pci_device_id 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 },
- { 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.
- */
- static const struct drm_ioctl_desc psb_ioctls[] = {
- };
- static void psb_driver_lastclose(struct drm_device *dev)
- {
- int ret;
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct psb_fbdev *fbdev = dev_priv->fbdev;
- ret = drm_fb_helper_restore_fbdev_mode_unlocked(&fbdev->psb_fb_helper);
- if (ret)
- DRM_DEBUG("failed to restore crtc mode\n");
- 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;
- if (pg->mmu_gatt_start & 0x0FFFFFFF) {
- dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
- return -EINVAL;
- }
- 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);
- /* Do not bypass any MMU access, let them pagefault instead */
- PSB_WSGX32((PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_MMU_ER_MASK),
- PSB_CR_BIF_CTRL);
- PSB_RSGX32(PSB_CR_BIF_CTRL);
- psb_spank(dev_priv);
- /* mmu_gatt ?? */
- PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
- PSB_RSGX32(PSB_CR_BIF_TWOD_REQ_BASE); /* Post */
- return 0;
- }
- static int psb_driver_unload(struct drm_device *dev)
- {
- struct drm_psb_private *dev_priv = dev->dev_private;
- /* TODO: 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;
- }
- if (dev_priv->aux_reg) {
- iounmap(dev_priv->aux_reg);
- dev_priv->aux_reg = NULL;
- }
- if (dev_priv->aux_pdev)
- pci_dev_put(dev_priv->aux_pdev);
- if (dev_priv->lpc_pdev)
- pci_dev_put(dev_priv->lpc_pdev);
- /* 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 flags)
- {
- struct drm_psb_private *dev_priv;
- unsigned long resource_start, resource_len;
- unsigned long irqflags;
- int ret = -ENOMEM;
- struct drm_connector *connector;
- struct gma_encoder *gma_encoder;
- struct psb_gtt *pg;
- /* allocating and initializing driver private data */
- dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
- if (dev_priv == NULL)
- return -ENOMEM;
- dev_priv->ops = (struct psb_ops *)flags;
- dev_priv->dev = dev;
- dev->dev_private = (void *) dev_priv;
- pg = &dev_priv->gtt;
- 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;
- if (IS_MRST(dev)) {
- dev_priv->aux_pdev = pci_get_bus_and_slot(0, PCI_DEVFN(3, 0));
- if (dev_priv->aux_pdev) {
- resource_start = pci_resource_start(dev_priv->aux_pdev,
- PSB_AUX_RESOURCE);
- resource_len = pci_resource_len(dev_priv->aux_pdev,
- PSB_AUX_RESOURCE);
- dev_priv->aux_reg = ioremap_nocache(resource_start,
- resource_len);
- if (!dev_priv->aux_reg)
- goto out_err;
- DRM_DEBUG_KMS("Found aux vdc");
- } else {
- /* Couldn't find the aux vdc so map to primary vdc */
- dev_priv->aux_reg = dev_priv->vdc_reg;
- DRM_DEBUG_KMS("Couldn't find aux pci device");
- }
- dev_priv->gmbus_reg = dev_priv->aux_reg;
- dev_priv->lpc_pdev = pci_get_bus_and_slot(0, PCI_DEVFN(31, 0));
- if (dev_priv->lpc_pdev) {
- pci_read_config_word(dev_priv->lpc_pdev, PSB_LPC_GBA,
- &dev_priv->lpc_gpio_base);
- pci_write_config_dword(dev_priv->lpc_pdev, PSB_LPC_GBA,
- (u32)dev_priv->lpc_gpio_base | (1L<<31));
- pci_read_config_word(dev_priv->lpc_pdev, PSB_LPC_GBA,
- &dev_priv->lpc_gpio_base);
- dev_priv->lpc_gpio_base &= 0xffc0;
- if (dev_priv->lpc_gpio_base)
- DRM_DEBUG_KMS("Found LPC GPIO at 0x%04x\n",
- dev_priv->lpc_gpio_base);
- else {
- pci_dev_put(dev_priv->lpc_pdev);
- dev_priv->lpc_pdev = NULL;
- }
- }
- } else {
- dev_priv->gmbus_reg = dev_priv->vdc_reg;
- }
- 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(dev, 1, 0, 0);
- 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;
- ret = psb_do_init(dev);
- if (ret)
- return ret;
- /* Add stolen memory to SGX MMU */
- down_read(&pg->sem);
- ret = psb_mmu_insert_pfn_sequence(psb_mmu_get_default_pd(dev_priv->mmu),
- dev_priv->stolen_base >> PAGE_SHIFT,
- pg->gatt_start,
- pg->stolen_size >> PAGE_SHIFT, 0);
- up_read(&pg->sem);
- psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
- psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
- PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
- PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
- acpi_video_register();
- /* Setup vertical blanking handling */
- 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->pdev->irq);
- dev->vblank_disable_allowed = true;
- 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) {
- gma_encoder = gma_attached_encoder(connector);
- switch (gma_encoder->type) {
- case INTEL_OUTPUT_LVDS:
- case INTEL_OUTPUT_MIPI:
- ret = gma_backlight_init(dev);
- break;
- }
- }
- if (ret)
- return ret;
- psb_intel_opregion_enable_asle(dev);
- #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 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 int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
- {
- return drm_get_pci_dev(pdev, ent, &driver);
- }
- static void psb_pci_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,
- .thaw = gma_power_thaw,
- .freeze = gma_power_freeze,
- .restore = gma_power_restore,
- .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,
- #ifdef CONFIG_COMPAT
- .compat_ioctl = drm_compat_ioctl,
- #endif
- .mmap = drm_gem_mmap,
- .poll = drm_poll,
- .read = drm_read,
- };
- static struct drm_driver driver = {
- .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
- DRIVER_MODESET | DRIVER_GEM,
- .load = psb_driver_load,
- .unload = psb_driver_unload,
- .lastclose = psb_driver_lastclose,
- .preclose = psb_driver_preclose,
- .set_busid = drm_pci_set_busid,
- .num_ioctls = 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,
- .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 = drm_gem_dumb_destroy,
- .ioctls = psb_ioctls,
- .fops = &psb_gem_fops,
- .name = DRIVER_NAME,
- .desc = DRIVER_DESC,
- .date = DRIVER_DATE,
- .major = DRIVER_MAJOR,
- .minor = DRIVER_MINOR,
- .patchlevel = DRIVER_PATCHLEVEL
- };
- static struct pci_driver psb_pci_driver = {
- .name = DRIVER_NAME,
- .id_table = pciidlist,
- .probe = psb_pci_probe,
- .remove = psb_pci_remove,
- .driver.pm = &psb_pm_ops,
- };
- 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(DRIVER_AUTHOR);
- MODULE_DESCRIPTION(DRIVER_DESC);
- MODULE_LICENSE(DRIVER_LICENSE);
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