| /* |
| * Copyright 2005 Stephane Marchesin |
| * Copyright 2008 Stuart Bennett |
| * 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 |
| * PRECISION INSIGHT 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 <linux/swab.h> |
| #include <linux/slab.h> |
| #include "drmP.h" |
| #include "drm.h" |
| #include "drm_sarea.h" |
| #include "drm_crtc_helper.h" |
| #include <linux/vgaarb.h> |
| #include <linux/vga_switcheroo.h> |
| |
| #include "nouveau_drv.h" |
| #include <nouveau_drm.h> |
| #include "nouveau_fbcon.h" |
| #include "nouveau_pm.h" |
| #include "nv04_display.h" |
| #include "nv50_display.h" |
| #include "nouveau_acpi.h" |
| |
| static void nouveau_stub_takedown(struct drm_device *dev) {} |
| static int nouveau_stub_init(struct drm_device *dev) { return 0; } |
| |
| static int nouveau_init_engine_ptrs(struct drm_device *dev) |
| { |
| struct drm_nouveau_private *dev_priv = dev->dev_private; |
| struct nouveau_engine *engine = &dev_priv->engine; |
| |
| switch (dev_priv->chipset & 0xf0) { |
| case 0x00: |
| engine->display.early_init = nv04_display_early_init; |
| engine->display.late_takedown = nv04_display_late_takedown; |
| engine->display.create = nv04_display_create; |
| engine->display.destroy = nv04_display_destroy; |
| engine->display.init = nv04_display_init; |
| engine->display.fini = nv04_display_fini; |
| engine->pm.clocks_get = nv04_pm_clocks_get; |
| engine->pm.clocks_pre = nv04_pm_clocks_pre; |
| engine->pm.clocks_set = nv04_pm_clocks_set; |
| break; |
| case 0x10: |
| engine->display.early_init = nv04_display_early_init; |
| engine->display.late_takedown = nv04_display_late_takedown; |
| engine->display.create = nv04_display_create; |
| engine->display.destroy = nv04_display_destroy; |
| engine->display.init = nv04_display_init; |
| engine->display.fini = nv04_display_fini; |
| engine->pm.clocks_get = nv04_pm_clocks_get; |
| engine->pm.clocks_pre = nv04_pm_clocks_pre; |
| engine->pm.clocks_set = nv04_pm_clocks_set; |
| break; |
| case 0x20: |
| engine->display.early_init = nv04_display_early_init; |
| engine->display.late_takedown = nv04_display_late_takedown; |
| engine->display.create = nv04_display_create; |
| engine->display.destroy = nv04_display_destroy; |
| engine->display.init = nv04_display_init; |
| engine->display.fini = nv04_display_fini; |
| engine->pm.clocks_get = nv04_pm_clocks_get; |
| engine->pm.clocks_pre = nv04_pm_clocks_pre; |
| engine->pm.clocks_set = nv04_pm_clocks_set; |
| break; |
| case 0x30: |
| engine->display.early_init = nv04_display_early_init; |
| engine->display.late_takedown = nv04_display_late_takedown; |
| engine->display.create = nv04_display_create; |
| engine->display.destroy = nv04_display_destroy; |
| engine->display.init = nv04_display_init; |
| engine->display.fini = nv04_display_fini; |
| engine->pm.clocks_get = nv04_pm_clocks_get; |
| engine->pm.clocks_pre = nv04_pm_clocks_pre; |
| engine->pm.clocks_set = nv04_pm_clocks_set; |
| engine->pm.voltage_get = nouveau_voltage_gpio_get; |
| engine->pm.voltage_set = nouveau_voltage_gpio_set; |
| break; |
| case 0x40: |
| case 0x60: |
| engine->display.early_init = nv04_display_early_init; |
| engine->display.late_takedown = nv04_display_late_takedown; |
| engine->display.create = nv04_display_create; |
| engine->display.destroy = nv04_display_destroy; |
| engine->display.init = nv04_display_init; |
| engine->display.fini = nv04_display_fini; |
| engine->pm.clocks_get = nv40_pm_clocks_get; |
| engine->pm.clocks_pre = nv40_pm_clocks_pre; |
| engine->pm.clocks_set = nv40_pm_clocks_set; |
| engine->pm.voltage_get = nouveau_voltage_gpio_get; |
| engine->pm.voltage_set = nouveau_voltage_gpio_set; |
| engine->pm.temp_get = nv40_temp_get; |
| engine->pm.pwm_get = nv40_pm_pwm_get; |
| engine->pm.pwm_set = nv40_pm_pwm_set; |
| break; |
| case 0x50: |
| case 0x80: /* gotta love NVIDIA's consistency.. */ |
| case 0x90: |
| case 0xa0: |
| engine->display.early_init = nv50_display_early_init; |
| engine->display.late_takedown = nv50_display_late_takedown; |
| engine->display.create = nv50_display_create; |
| engine->display.destroy = nv50_display_destroy; |
| engine->display.init = nv50_display_init; |
| engine->display.fini = nv50_display_fini; |
| switch (dev_priv->chipset) { |
| case 0x84: |
| case 0x86: |
| case 0x92: |
| case 0x94: |
| case 0x96: |
| case 0x98: |
| case 0xa0: |
| case 0xaa: |
| case 0xac: |
| case 0x50: |
| engine->pm.clocks_get = nv50_pm_clocks_get; |
| engine->pm.clocks_pre = nv50_pm_clocks_pre; |
| engine->pm.clocks_set = nv50_pm_clocks_set; |
| break; |
| default: |
| engine->pm.clocks_get = nva3_pm_clocks_get; |
| engine->pm.clocks_pre = nva3_pm_clocks_pre; |
| engine->pm.clocks_set = nva3_pm_clocks_set; |
| break; |
| } |
| engine->pm.voltage_get = nouveau_voltage_gpio_get; |
| engine->pm.voltage_set = nouveau_voltage_gpio_set; |
| if (dev_priv->chipset >= 0x84) |
| engine->pm.temp_get = nv84_temp_get; |
| else |
| engine->pm.temp_get = nv40_temp_get; |
| engine->pm.pwm_get = nv50_pm_pwm_get; |
| engine->pm.pwm_set = nv50_pm_pwm_set; |
| break; |
| case 0xc0: |
| engine->display.early_init = nv50_display_early_init; |
| engine->display.late_takedown = nv50_display_late_takedown; |
| engine->display.create = nv50_display_create; |
| engine->display.destroy = nv50_display_destroy; |
| engine->display.init = nv50_display_init; |
| engine->display.fini = nv50_display_fini; |
| engine->pm.temp_get = nv84_temp_get; |
| engine->pm.clocks_get = nvc0_pm_clocks_get; |
| engine->pm.clocks_pre = nvc0_pm_clocks_pre; |
| engine->pm.clocks_set = nvc0_pm_clocks_set; |
| engine->pm.voltage_get = nouveau_voltage_gpio_get; |
| engine->pm.voltage_set = nouveau_voltage_gpio_set; |
| engine->pm.pwm_get = nv50_pm_pwm_get; |
| engine->pm.pwm_set = nv50_pm_pwm_set; |
| break; |
| case 0xd0: |
| engine->display.early_init = nouveau_stub_init; |
| engine->display.late_takedown = nouveau_stub_takedown; |
| engine->display.create = nvd0_display_create; |
| engine->display.destroy = nvd0_display_destroy; |
| engine->display.init = nvd0_display_init; |
| engine->display.fini = nvd0_display_fini; |
| engine->pm.temp_get = nv84_temp_get; |
| engine->pm.clocks_get = nvc0_pm_clocks_get; |
| engine->pm.clocks_pre = nvc0_pm_clocks_pre; |
| engine->pm.clocks_set = nvc0_pm_clocks_set; |
| engine->pm.voltage_get = nouveau_voltage_gpio_get; |
| engine->pm.voltage_set = nouveau_voltage_gpio_set; |
| break; |
| case 0xe0: |
| engine->display.early_init = nouveau_stub_init; |
| engine->display.late_takedown = nouveau_stub_takedown; |
| engine->display.create = nvd0_display_create; |
| engine->display.destroy = nvd0_display_destroy; |
| engine->display.init = nvd0_display_init; |
| engine->display.fini = nvd0_display_fini; |
| break; |
| default: |
| NV_ERROR(dev, "NV%02x unsupported\n", dev_priv->chipset); |
| return 1; |
| } |
| |
| /* headless mode */ |
| if (nouveau_modeset == 2) { |
| engine->display.early_init = nouveau_stub_init; |
| engine->display.late_takedown = nouveau_stub_takedown; |
| engine->display.create = nouveau_stub_init; |
| engine->display.init = nouveau_stub_init; |
| engine->display.destroy = nouveau_stub_takedown; |
| } |
| |
| return 0; |
| } |
| |
| static unsigned int |
| nouveau_vga_set_decode(void *priv, bool state) |
| { |
| struct drm_device *dev = priv; |
| struct drm_nouveau_private *dev_priv = dev->dev_private; |
| |
| if (dev_priv->chipset >= 0x40) |
| nv_wr32(dev, 0x88054, state); |
| else |
| nv_wr32(dev, 0x1854, state); |
| |
| if (state) |
| return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | |
| VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; |
| else |
| return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; |
| } |
| |
| static void nouveau_switcheroo_set_state(struct pci_dev *pdev, |
| enum vga_switcheroo_state state) |
| { |
| struct drm_device *dev = pci_get_drvdata(pdev); |
| pm_message_t pmm = { .event = PM_EVENT_SUSPEND }; |
| if (state == VGA_SWITCHEROO_ON) { |
| printk(KERN_ERR "VGA switcheroo: switched nouveau on\n"); |
| dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; |
| nouveau_pci_resume(pdev); |
| drm_kms_helper_poll_enable(dev); |
| dev->switch_power_state = DRM_SWITCH_POWER_ON; |
| } else { |
| printk(KERN_ERR "VGA switcheroo: switched nouveau off\n"); |
| dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; |
| drm_kms_helper_poll_disable(dev); |
| nouveau_switcheroo_optimus_dsm(); |
| nouveau_pci_suspend(pdev, pmm); |
| dev->switch_power_state = DRM_SWITCH_POWER_OFF; |
| } |
| } |
| |
| static void nouveau_switcheroo_reprobe(struct pci_dev *pdev) |
| { |
| struct drm_device *dev = pci_get_drvdata(pdev); |
| nouveau_fbcon_output_poll_changed(dev); |
| } |
| |
| static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev) |
| { |
| struct drm_device *dev = pci_get_drvdata(pdev); |
| bool can_switch; |
| |
| spin_lock(&dev->count_lock); |
| can_switch = (dev->open_count == 0); |
| spin_unlock(&dev->count_lock); |
| return can_switch; |
| } |
| |
| static const struct vga_switcheroo_client_ops nouveau_switcheroo_ops = { |
| .set_gpu_state = nouveau_switcheroo_set_state, |
| .reprobe = nouveau_switcheroo_reprobe, |
| .can_switch = nouveau_switcheroo_can_switch, |
| }; |
| |
| int |
| nouveau_card_init(struct drm_device *dev) |
| { |
| struct drm_nouveau_private *dev_priv = dev->dev_private; |
| struct nouveau_engine *engine; |
| int ret; |
| |
| vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode); |
| vga_switcheroo_register_client(dev->pdev, &nouveau_switcheroo_ops); |
| |
| /* Initialise internal driver API hooks */ |
| ret = nouveau_init_engine_ptrs(dev); |
| if (ret) |
| goto out; |
| engine = &dev_priv->engine; |
| spin_lock_init(&dev_priv->context_switch_lock); |
| |
| /* Make the CRTCs and I2C buses accessible */ |
| ret = engine->display.early_init(dev); |
| if (ret) |
| goto out; |
| |
| /* Parse BIOS tables / Run init tables if card not POSTed */ |
| ret = nouveau_bios_init(dev); |
| if (ret) |
| goto out_display_early; |
| |
| /* workaround an odd issue on nvc1 by disabling the device's |
| * nosnoop capability. hopefully won't cause issues until a |
| * better fix is found - assuming there is one... |
| */ |
| if (dev_priv->chipset == 0xc1) { |
| nv_mask(dev, 0x00088080, 0x00000800, 0x00000000); |
| } |
| |
| ret = nouveau_irq_init(dev); |
| if (ret) |
| goto out_bios; |
| |
| ret = nouveau_display_create(dev); |
| if (ret) |
| goto out_irq; |
| |
| nouveau_backlight_init(dev); |
| nouveau_pm_init(dev); |
| |
| if (dev->mode_config.num_crtc) { |
| ret = nouveau_display_init(dev); |
| if (ret) |
| goto out_pm; |
| } |
| |
| return 0; |
| |
| out_pm: |
| nouveau_pm_fini(dev); |
| nouveau_backlight_exit(dev); |
| nouveau_display_destroy(dev); |
| out_irq: |
| nouveau_irq_fini(dev); |
| out_bios: |
| nouveau_bios_takedown(dev); |
| out_display_early: |
| engine->display.late_takedown(dev); |
| out: |
| vga_switcheroo_unregister_client(dev->pdev); |
| vga_client_register(dev->pdev, NULL, NULL, NULL); |
| return ret; |
| } |
| |
| static void nouveau_card_takedown(struct drm_device *dev) |
| { |
| struct drm_nouveau_private *dev_priv = dev->dev_private; |
| struct nouveau_engine *engine = &dev_priv->engine; |
| |
| if (dev->mode_config.num_crtc) |
| nouveau_display_fini(dev); |
| |
| nouveau_pm_fini(dev); |
| nouveau_backlight_exit(dev); |
| nouveau_display_destroy(dev); |
| |
| nouveau_bios_takedown(dev); |
| engine->display.late_takedown(dev); |
| |
| nouveau_irq_fini(dev); |
| |
| vga_switcheroo_unregister_client(dev->pdev); |
| vga_client_register(dev->pdev, NULL, NULL, NULL); |
| } |
| |
| /* first module load, setup the mmio/fb mapping */ |
| /* KMS: we need mmio at load time, not when the first drm client opens. */ |
| int nouveau_firstopen(struct drm_device *dev) |
| { |
| return 0; |
| } |
| |
| /* if we have an OF card, copy vbios to RAMIN */ |
| static void nouveau_OF_copy_vbios_to_ramin(struct drm_device *dev) |
| { |
| #if defined(__powerpc__) |
| int size, i; |
| const uint32_t *bios; |
| struct device_node *dn = pci_device_to_OF_node(dev->pdev); |
| if (!dn) { |
| NV_INFO(dev, "Unable to get the OF node\n"); |
| return; |
| } |
| |
| bios = of_get_property(dn, "NVDA,BMP", &size); |
| if (bios) { |
| for (i = 0; i < size; i += 4) |
| nv_wi32(dev, i, bios[i/4]); |
| NV_INFO(dev, "OF bios successfully copied (%d bytes)\n", size); |
| } else { |
| NV_INFO(dev, "Unable to get the OF bios\n"); |
| } |
| #endif |
| } |
| |
| int nouveau_load(struct drm_device *dev, unsigned long flags) |
| { |
| struct drm_nouveau_private *dev_priv; |
| uint32_t reg0 = ~0, strap; |
| int ret; |
| |
| dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); |
| if (!dev_priv) { |
| ret = -ENOMEM; |
| goto err_out; |
| } |
| dev_priv->newpriv = dev->dev_private; |
| dev->dev_private = dev_priv; |
| dev_priv->dev = dev; |
| |
| NV_DEBUG(dev, "vendor: 0x%X device: 0x%X class: 0x%X\n", |
| dev->pci_vendor, dev->pci_device, dev->pdev->class); |
| |
| /* determine chipset and derive architecture from it */ |
| reg0 = nv_rd32(dev, NV03_PMC_BOOT_0); |
| if ((reg0 & 0x0f000000) > 0) { |
| dev_priv->chipset = (reg0 & 0xff00000) >> 20; |
| switch (dev_priv->chipset & 0xf0) { |
| case 0x10: |
| case 0x20: |
| case 0x30: |
| dev_priv->card_type = dev_priv->chipset & 0xf0; |
| break; |
| case 0x40: |
| case 0x60: |
| dev_priv->card_type = NV_40; |
| break; |
| case 0x50: |
| case 0x80: |
| case 0x90: |
| case 0xa0: |
| dev_priv->card_type = NV_50; |
| break; |
| case 0xc0: |
| dev_priv->card_type = NV_C0; |
| break; |
| case 0xd0: |
| dev_priv->card_type = NV_D0; |
| break; |
| case 0xe0: |
| dev_priv->card_type = NV_E0; |
| break; |
| default: |
| break; |
| } |
| } else |
| if ((reg0 & 0xff00fff0) == 0x20004000) { |
| if (reg0 & 0x00f00000) |
| dev_priv->chipset = 0x05; |
| else |
| dev_priv->chipset = 0x04; |
| dev_priv->card_type = NV_04; |
| } |
| |
| if (!dev_priv->card_type) { |
| NV_ERROR(dev, "unsupported chipset 0x%08x\n", reg0); |
| ret = -EINVAL; |
| goto err_priv; |
| } |
| |
| NV_INFO(dev, "Detected an NV%02x generation card (0x%08x)\n", |
| dev_priv->card_type, reg0); |
| |
| /* determine frequency of timing crystal */ |
| strap = nv_rd32(dev, 0x101000); |
| if ( dev_priv->chipset < 0x17 || |
| (dev_priv->chipset >= 0x20 && dev_priv->chipset <= 0x25)) |
| strap &= 0x00000040; |
| else |
| strap &= 0x00400040; |
| |
| switch (strap) { |
| case 0x00000000: dev_priv->crystal = 13500; break; |
| case 0x00000040: dev_priv->crystal = 14318; break; |
| case 0x00400000: dev_priv->crystal = 27000; break; |
| case 0x00400040: dev_priv->crystal = 25000; break; |
| } |
| |
| NV_DEBUG(dev, "crystal freq: %dKHz\n", dev_priv->crystal); |
| |
| nouveau_OF_copy_vbios_to_ramin(dev); |
| |
| /* For kernel modesetting, init card now and bring up fbcon */ |
| ret = nouveau_card_init(dev); |
| if (ret) |
| goto err_priv; |
| |
| return 0; |
| |
| err_priv: |
| dev->dev_private = dev_priv->newpriv; |
| kfree(dev_priv); |
| err_out: |
| return ret; |
| } |
| |
| void nouveau_lastclose(struct drm_device *dev) |
| { |
| vga_switcheroo_process_delayed_switch(); |
| } |
| |
| int nouveau_unload(struct drm_device *dev) |
| { |
| struct drm_nouveau_private *dev_priv = dev->dev_private; |
| |
| nouveau_card_takedown(dev); |
| |
| dev->dev_private = dev_priv->newpriv; |
| kfree(dev_priv); |
| return 0; |
| } |