/** * \file radeon_drv.c * ATI Radeon driver * * \author Gareth Hughes */ /* * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #include "drmP.h" #include "drm.h" #include "radeon_drm.h" #include "radeon_drv.h" #include "drm_pciids.h" #include #include /* * KMS wrapper. * - 2.0.0 - initial interface * - 2.1.0 - add square tiling interface * - 2.2.0 - add r6xx/r7xx const buffer support * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs * - 2.4.0 - add crtc id query * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500) * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query * 2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query * 2.10.0 - fusion 2D tiling * 2.11.0 - backend map, initial compute support for the CS checker * 2.12.0 - RADEON_CS_KEEP_TILING_FLAGS * 2.13.0 - virtual memory support */ #define KMS_DRIVER_MAJOR 2 #define KMS_DRIVER_MINOR 13 #define KMS_DRIVER_PATCHLEVEL 0 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); int radeon_driver_unload_kms(struct drm_device *dev); int radeon_driver_firstopen_kms(struct drm_device *dev); void radeon_driver_lastclose_kms(struct drm_device *dev); int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); void radeon_driver_postclose_kms(struct drm_device *dev, struct drm_file *file_priv); void radeon_driver_preclose_kms(struct drm_device *dev, struct drm_file *file_priv); int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); int radeon_resume_kms(struct drm_device *dev); u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, int *max_error, struct timeval *vblank_time, unsigned flags); void radeon_driver_irq_preinstall_kms(struct drm_device *dev); int radeon_driver_irq_postinstall_kms(struct drm_device *dev); void radeon_driver_irq_uninstall_kms(struct drm_device *dev); irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, struct drm_file *file_priv); int radeon_gem_object_init(struct drm_gem_object *obj); void radeon_gem_object_free(struct drm_gem_object *obj); int radeon_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv); void radeon_gem_object_close(struct drm_gem_object *obj, struct drm_file *file_priv); extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, int *vpos, int *hpos); extern struct drm_ioctl_desc radeon_ioctls_kms[]; extern int radeon_max_kms_ioctl; int radeon_mmap(struct file *filp, struct vm_area_struct *vma); int radeon_mode_dumb_mmap(struct drm_file *filp, struct drm_device *dev, uint32_t handle, uint64_t *offset_p); int radeon_mode_dumb_create(struct drm_file *file_priv, struct drm_device *dev, struct drm_mode_create_dumb *args); int radeon_mode_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev, uint32_t handle); #if defined(CONFIG_DEBUG_FS) int radeon_debugfs_init(struct drm_minor *minor); void radeon_debugfs_cleanup(struct drm_minor *minor); #endif int radeon_no_wb; int radeon_modeset = -1; int radeon_dynclks = -1; int radeon_r4xx_atom = 0; int radeon_agpmode = 0; int radeon_vram_limit = 0; int radeon_gart_size = 512; /* default gart size */ int radeon_benchmarking = 0; int radeon_testing = 0; int radeon_connector_table = 0; int radeon_tv = 1; int radeon_audio = 0; int radeon_disp_priority = 0; int radeon_hw_i2c = 0; int radeon_pcie_gen2 = 0; int radeon_msi = -1; MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); module_param_named(no_wb, radeon_no_wb, int, 0444); MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); module_param_named(modeset, radeon_modeset, int, 0400); MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); module_param_named(dynclks, radeon_dynclks, int, 0444); MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); module_param_named(vramlimit, radeon_vram_limit, int, 0600); MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); module_param_named(agpmode, radeon_agpmode, int, 0444); MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n"); module_param_named(gartsize, radeon_gart_size, int, 0600); MODULE_PARM_DESC(benchmark, "Run benchmark"); module_param_named(benchmark, radeon_benchmarking, int, 0444); MODULE_PARM_DESC(test, "Run tests"); module_param_named(test, radeon_testing, int, 0444); MODULE_PARM_DESC(connector_table, "Force connector table"); module_param_named(connector_table, radeon_connector_table, int, 0444); MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); module_param_named(tv, radeon_tv, int, 0444); MODULE_PARM_DESC(audio, "Audio enable (1 = enable)"); module_param_named(audio, radeon_audio, int, 0444); MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); module_param_named(disp_priority, radeon_disp_priority, int, 0444); MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (1 = enable)"); module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); module_param_named(msi, radeon_msi, int, 0444); static int radeon_suspend(struct drm_device *dev, pm_message_t state) { drm_radeon_private_t *dev_priv = dev->dev_private; if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) return 0; /* Disable *all* interrupts */ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) RADEON_WRITE(R500_DxMODE_INT_MASK, 0); RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); return 0; } static int radeon_resume(struct drm_device *dev) { drm_radeon_private_t *dev_priv = dev->dev_private; if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) return 0; /* Restore interrupt registers */ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); return 0; } static struct pci_device_id pciidlist[] = { radeon_PCI_IDS }; #if defined(CONFIG_DRM_RADEON_KMS) MODULE_DEVICE_TABLE(pci, pciidlist); #endif static const struct file_operations radeon_driver_old_fops = { .owner = THIS_MODULE, .open = drm_open, .release = drm_release, .unlocked_ioctl = drm_ioctl, .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, .read = drm_read, #ifdef CONFIG_COMPAT .compat_ioctl = radeon_compat_ioctl, #endif .llseek = noop_llseek, }; static struct drm_driver driver_old = { .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, .dev_priv_size = sizeof(drm_radeon_buf_priv_t), .load = radeon_driver_load, .firstopen = radeon_driver_firstopen, .open = radeon_driver_open, .preclose = radeon_driver_preclose, .postclose = radeon_driver_postclose, .lastclose = radeon_driver_lastclose, .unload = radeon_driver_unload, .suspend = radeon_suspend, .resume = radeon_resume, .get_vblank_counter = radeon_get_vblank_counter, .enable_vblank = radeon_enable_vblank, .disable_vblank = radeon_disable_vblank, .master_create = radeon_master_create, .master_destroy = radeon_master_destroy, .irq_preinstall = radeon_driver_irq_preinstall, .irq_postinstall = radeon_driver_irq_postinstall, .irq_uninstall = radeon_driver_irq_uninstall, .irq_handler = radeon_driver_irq_handler, .reclaim_buffers = drm_core_reclaim_buffers, .ioctls = radeon_ioctls, .dma_ioctl = radeon_cp_buffers, .fops = &radeon_driver_old_fops, .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, }; static struct drm_driver kms_driver; static void radeon_kick_out_firmware_fb(struct pci_dev *pdev) { struct apertures_struct *ap; bool primary = false; ap = alloc_apertures(1); ap->ranges[0].base = pci_resource_start(pdev, 0); ap->ranges[0].size = pci_resource_len(pdev, 0); #ifdef CONFIG_X86 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; #endif remove_conflicting_framebuffers(ap, "radeondrmfb", primary); kfree(ap); } static int __devinit radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { /* Get rid of things like offb */ radeon_kick_out_firmware_fb(pdev); return drm_get_pci_dev(pdev, ent, &kms_driver); } static void radeon_pci_remove(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev); drm_put_dev(dev); } static int radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) { struct drm_device *dev = pci_get_drvdata(pdev); return radeon_suspend_kms(dev, state); } static int radeon_pci_resume(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev); return radeon_resume_kms(dev); } static const struct file_operations radeon_driver_kms_fops = { .owner = THIS_MODULE, .open = drm_open, .release = drm_release, .unlocked_ioctl = drm_ioctl, .mmap = radeon_mmap, .poll = drm_poll, .fasync = drm_fasync, .read = drm_read, #ifdef CONFIG_COMPAT .compat_ioctl = radeon_kms_compat_ioctl, #endif }; static struct drm_driver kms_driver = { .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM, .dev_priv_size = 0, .load = radeon_driver_load_kms, .firstopen = radeon_driver_firstopen_kms, .open = radeon_driver_open_kms, .preclose = radeon_driver_preclose_kms, .postclose = radeon_driver_postclose_kms, .lastclose = radeon_driver_lastclose_kms, .unload = radeon_driver_unload_kms, .suspend = radeon_suspend_kms, .resume = radeon_resume_kms, .get_vblank_counter = radeon_get_vblank_counter_kms, .enable_vblank = radeon_enable_vblank_kms, .disable_vblank = radeon_disable_vblank_kms, .get_vblank_timestamp = radeon_get_vblank_timestamp_kms, .get_scanout_position = radeon_get_crtc_scanoutpos, #if defined(CONFIG_DEBUG_FS) .debugfs_init = radeon_debugfs_init, .debugfs_cleanup = radeon_debugfs_cleanup, #endif .irq_preinstall = radeon_driver_irq_preinstall_kms, .irq_postinstall = radeon_driver_irq_postinstall_kms, .irq_uninstall = radeon_driver_irq_uninstall_kms, .irq_handler = radeon_driver_irq_handler_kms, .reclaim_buffers = drm_core_reclaim_buffers, .ioctls = radeon_ioctls_kms, .gem_init_object = radeon_gem_object_init, .gem_free_object = radeon_gem_object_free, .gem_open_object = radeon_gem_object_open, .gem_close_object = radeon_gem_object_close, .dma_ioctl = radeon_dma_ioctl_kms, .dumb_create = radeon_mode_dumb_create, .dumb_map_offset = radeon_mode_dumb_mmap, .dumb_destroy = radeon_mode_dumb_destroy, .fops = &radeon_driver_kms_fops, .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, .major = KMS_DRIVER_MAJOR, .minor = KMS_DRIVER_MINOR, .patchlevel = KMS_DRIVER_PATCHLEVEL, }; static struct drm_driver *driver; static struct pci_driver *pdriver; static struct pci_driver radeon_pci_driver = { .name = DRIVER_NAME, .id_table = pciidlist, }; static struct pci_driver radeon_kms_pci_driver = { .name = DRIVER_NAME, .id_table = pciidlist, .probe = radeon_pci_probe, .remove = radeon_pci_remove, .suspend = radeon_pci_suspend, .resume = radeon_pci_resume, }; static int __init radeon_init(void) { driver = &driver_old; pdriver = &radeon_pci_driver; driver->num_ioctls = radeon_max_ioctl; #ifdef CONFIG_VGA_CONSOLE if (vgacon_text_force() && radeon_modeset == -1) { DRM_INFO("VGACON disable radeon kernel modesetting.\n"); driver = &driver_old; pdriver = &radeon_pci_driver; driver->driver_features &= ~DRIVER_MODESET; radeon_modeset = 0; } #endif /* if enabled by default */ if (radeon_modeset == -1) { #ifdef CONFIG_DRM_RADEON_KMS DRM_INFO("radeon defaulting to kernel modesetting.\n"); radeon_modeset = 1; #else DRM_INFO("radeon defaulting to userspace modesetting.\n"); radeon_modeset = 0; #endif } if (radeon_modeset == 1) { DRM_INFO("radeon kernel modesetting enabled.\n"); driver = &kms_driver; pdriver = &radeon_kms_pci_driver; driver->driver_features |= DRIVER_MODESET; driver->num_ioctls = radeon_max_kms_ioctl; radeon_register_atpx_handler(); } /* if the vga console setting is enabled still * let modprobe override it */ return drm_pci_init(driver, pdriver); } static void __exit radeon_exit(void) { drm_pci_exit(driver, pdriver); radeon_unregister_atpx_handler(); } module_init(radeon_init); module_exit(radeon_exit); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL and additional rights");