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linux-next/drivers/gpu/drm/gma500/psb_drv.c
Thomas Gleixner a61127c213 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 335 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 111 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190530000436.567572064@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:37:06 +02:00

511 lines
15 KiB
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// SPDX-License-Identifier: GPL-2.0-only
/**************************************************************************
* Copyright (c) 2007-2011, Intel Corporation.
* All Rights Reserved.
* Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA.
* All Rights Reserved.
*
**************************************************************************/
#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>
#include <asm/set_memory.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 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 void 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;
}
pci_dev_put(dev_priv->aux_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);
}
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)) {
int domain = pci_domain_nr(dev->pdev->bus);
dev_priv->aux_pdev =
pci_get_domain_bus_and_slot(domain, 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_domain_bus_and_slot(domain, 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->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 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 */
}
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,
.compat_ioctl = drm_compat_ioctl,
.mmap = drm_gem_mmap,
.poll = drm_poll,
.read = drm_read,
};
static struct drm_driver driver = {
.driver_features = DRIVER_MODESET | DRIVER_GEM,
.load = psb_driver_load,
.unload = psb_driver_unload,
.lastclose = drm_fb_helper_lastclose,
.num_ioctls = ARRAY_SIZE(psb_ioctls),
.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,
.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 pci_register_driver(&psb_pci_driver);
}
static void __exit psb_exit(void)
{
pci_unregister_driver(&psb_pci_driver);
}
late_initcall(psb_init);
module_exit(psb_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
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