Esempio n. 1
0
/**
 * radeon_irq_kms_init - init driver interrupt info
 *
 * @rdev: radeon device pointer
 *
 * Sets up the work irq handlers, vblank init, MSIs, etc. (all asics).
 * Returns 0 for success, error for failure.
 */
int radeon_irq_kms_init(struct radeon_device *rdev)
{
	int r = 0;

	spin_lock_init(&rdev->irq.lock);
	r = drm_vblank_init(rdev->ddev, rdev->num_crtc);
	if (r) {
		return r;
	}
	/* enable msi */
	rdev->msi_enabled = 0;

	if (radeon_msi_ok(rdev)) {
		int ret = pci_enable_msi(rdev->pdev);
		if (!ret) {
			rdev->msi_enabled = 1;
			dev_info(rdev->dev, "radeon: using MSI.\n");
		}
	}

	INIT_WORK(&rdev->hotplug_work, radeon_hotplug_work_func);
	INIT_WORK(&rdev->audio_work, r600_audio_update_hdmi);

	rdev->irq.installed = true;
	r = drm_irq_install(rdev->ddev, rdev->ddev->pdev->irq);
	if (r) {
		rdev->irq.installed = false;
		flush_work(&rdev->hotplug_work);
		return r;
	}

	DRM_INFO("radeon: irq initialized.\n");
	return 0;
}
int radeon_irq_kms_init(struct radeon_device *rdev)
{
	int i;
	int r = 0;

	INIT_WORK(&rdev->hotplug_work, radeon_hotplug_work_func);

	spin_lock_init(&rdev->irq.sw_lock);
	for (i = 0; i < rdev->num_crtc; i++)
		spin_lock_init(&rdev->irq.pflip_lock[i]);
	r = drm_vblank_init(rdev->ddev, rdev->num_crtc);
	if (r) {
		return r;
	}
	/* enable msi */
	rdev->msi_enabled = 0;

	if (radeon_msi_ok(rdev)) {
		int ret = pci_enable_msi(rdev->pdev);
		if (!ret) {
			rdev->msi_enabled = 1;
			dev_info(rdev->dev, "radeon: using MSI.\n");
		}
	}
	rdev->irq.installed = true;
	r = drm_irq_install(rdev->ddev);
	if (r) {
		rdev->irq.installed = false;
		return r;
	}
	DRM_INFO("radeon: irq initialized.\n");
	return 0;
}
Esempio n. 3
0
/**
 * radeon_irq_kms_init - init driver interrupt info
 *
 * @rdev: radeon device pointer
 *
 * Sets up the work irq handlers, vblank init, MSIs, etc. (all asics).
 * Returns 0 for success, error for failure.
 */
int radeon_irq_kms_init(struct radeon_device *rdev)
{
	int r = 0;

	TASK_INIT(&rdev->hotplug_work, 0, radeon_hotplug_work_func, rdev);
	TASK_INIT(&rdev->audio_work, 0, r600_audio_update_hdmi, rdev);

	DRM_SPININIT(&rdev->irq.lock, "drm__radeon_device__irq__lock");
	r = drm_vblank_init(rdev->ddev, rdev->num_crtc);
	if (r) {
		return r;
	}
	/* enable msi */
	rdev->msi_enabled = 0;

	if (radeon_msi_ok(rdev)) {
		int ret = drm_pci_enable_msi(rdev->ddev);
		if (!ret) {
			rdev->msi_enabled = 1;
			dev_info(rdev->dev, "radeon: using MSI.\n");
		}
	}
	rdev->irq.installed = true;
	r = drm_irq_install(rdev->ddev);
	if (r) {
		rdev->irq.installed = false;
		return r;
	}
	DRM_INFO("radeon: irq initialized.\n");
	return 0;
}
Esempio n. 4
0
/**
 * radeon_irq_kms_init - init driver interrupt info
 *
 * @rdev: radeon device pointer
 *
 * Sets up the work irq handlers, vblank init, MSIs, etc. (all asics).
 * Returns 0 for success, error for failure.
 */
int radeon_irq_kms_init(struct radeon_device *rdev)
{
	int r = 0;

	task_set(&rdev->hotplug_task, radeon_hotplug_work_func, rdev, NULL);
	task_set(&rdev->audio_task, r600_audio_update_hdmi, rdev, NULL);

	mtx_init(&rdev->irq.lock, IPL_TTY);
	r = drm_vblank_init(rdev->ddev, rdev->num_crtc);
	if (r) {
		return r;
	}
#ifdef notyet
	/* enable msi */
	rdev->msi_enabled = 0;

	if (radeon_msi_ok(rdev)) {
		int ret = pci_enable_msi(rdev->pdev);
		if (!ret) {
			rdev->msi_enabled = 1;
			dev_info(rdev->ddev, "radeon: using MSI.\n");
		}
	}
#endif
	rdev->irq.installed = true;
	r = drm_irq_install(rdev->ddev);
	if (r) {
		rdev->irq.installed = false;
		return r;
	}
	DRM_DEBUG("radeon: irq initialized.\n");
	return 0;
}
Esempio n. 5
0
/**
 * radeon_driver_load_kms - Main load function for KMS.
 *
 * @dev: drm dev pointer
 * @flags: device flags
 *
 * This is the main load function for KMS (all asics).
 * It calls radeon_device_init() to set up the non-display
 * parts of the chip (asic init, CP, writeback, etc.), and
 * radeon_modeset_init() to set up the display parts
 * (crtcs, encoders, hotplug detect, etc.).
 * Returns 0 on success, error on failure.
 */
void
radeondrm_attach_kms(struct device *parent, struct device *self, void *aux)
{
	struct radeon_device	*rdev = (struct radeon_device *)self;
	struct drm_device	*dev;
	struct pci_attach_args	*pa = aux;
	const struct drm_pcidev *id_entry;
	int			 is_agp;
	pcireg_t		 type;
	uint8_t			 iobar;
#if !defined(__sparc64__)
	pcireg_t		 addr, mask;
	int			 s;
#endif

#if defined(__sparc64__) || defined(__macppc__)
	extern int fbnode;
#endif

	id_entry = drm_find_description(PCI_VENDOR(pa->pa_id),
	    PCI_PRODUCT(pa->pa_id), radeondrm_pciidlist);
	rdev->flags = id_entry->driver_data;
	rdev->pc = pa->pa_pc;
	rdev->pa_tag = pa->pa_tag;
	rdev->iot = pa->pa_iot;
	rdev->memt = pa->pa_memt;
	rdev->dmat = pa->pa_dmat;

#if defined(__sparc64__) || defined(__macppc__)
	if (fbnode == PCITAG_NODE(rdev->pa_tag))
		rdev->console = 1;
#else
	if (PCI_CLASS(pa->pa_class) == PCI_CLASS_DISPLAY &&
	    PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_DISPLAY_VGA &&
	    (pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG)
	    & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE))
	    == (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE)) {
		rdev->console = 1;
#if NVGA > 0
		vga_console_attached = 1;
#endif
	}
#if NEFIFB > 0
	if (efifb_is_console(pa)) {
		rdev->console = 1;
		efifb_cndetach();
	}
#endif
#endif

#define RADEON_PCI_MEM		0x10
#define RADEON_PCI_IO		0x14
#define RADEON_PCI_MMIO		0x18
#define RADEON_PCI_IO2		0x20

	type = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RADEON_PCI_MEM);
	if (PCI_MAPREG_TYPE(type) != PCI_MAPREG_TYPE_MEM ||
	    pci_mapreg_info(pa->pa_pc, pa->pa_tag, RADEON_PCI_MEM,
	    type, &rdev->fb_aper_offset, &rdev->fb_aper_size, NULL)) {
		printf(": can't get frambuffer info\n");
		return;
	}

	if (PCI_MAPREG_MEM_TYPE(type) != PCI_MAPREG_MEM_TYPE_64BIT)
		iobar = RADEON_PCI_IO;
	else
		iobar = RADEON_PCI_IO2;
	
	if (pci_mapreg_map(pa, iobar, PCI_MAPREG_TYPE_IO, 0,
	    NULL, &rdev->rio_mem, NULL, &rdev->rio_mem_size, 0)) {
		printf(": can't map IO space\n");
		return;
	}

	type = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RADEON_PCI_MMIO);
	if (PCI_MAPREG_TYPE(type) != PCI_MAPREG_TYPE_MEM ||
	    pci_mapreg_map(pa, RADEON_PCI_MMIO, type, 0, NULL,
	    &rdev->rmmio, &rdev->rmmio_base, &rdev->rmmio_size, 0)) {
		printf(": can't map mmio space\n");
		return;
	}

#if !defined(__sparc64__)
	/*
	 * Make sure we have a base address for the ROM such that we
	 * can map it later.
	 */
	s = splhigh();
	addr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ROM_REG);
	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_ROM_REG, ~PCI_ROM_ENABLE);
	mask = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ROM_REG);
	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_ROM_REG, addr);
	splx(s);

	if (addr == 0 && PCI_ROM_SIZE(mask) != 0 && pa->pa_memex) {
		bus_size_t size, start, end;
		bus_addr_t base;

		size = PCI_ROM_SIZE(mask);
		start = max(PCI_MEM_START, pa->pa_memex->ex_start);
		end = min(PCI_MEM_END, pa->pa_memex->ex_end);
		if (extent_alloc_subregion(pa->pa_memex, start, end, size,
		    size, 0, 0, 0, &base) == 0)
			pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_ROM_REG, base);
	}
#endif

#ifdef notyet
	mtx_init(&rdev->swi_lock, IPL_TTY);
#endif

	/* update BUS flag */
	if (pci_get_capability(pa->pa_pc, pa->pa_tag, PCI_CAP_AGP, NULL, NULL)) {
		rdev->flags |= RADEON_IS_AGP;
	} else if (pci_get_capability(pa->pa_pc, pa->pa_tag,
	    PCI_CAP_PCIEXPRESS, NULL, NULL)) {
		rdev->flags |= RADEON_IS_PCIE;
	} else {
		rdev->flags |= RADEON_IS_PCI;
	}

	DRM_DEBUG("%s card detected\n",
		 ((rdev->flags & RADEON_IS_AGP) ? "AGP" :
		 (((rdev->flags & RADEON_IS_PCIE) ? "PCIE" : "PCI"))));

	is_agp = pci_get_capability(pa->pa_pc, pa->pa_tag, PCI_CAP_AGP,
	    NULL, NULL);

	printf("\n");

	kms_driver.num_ioctls = radeon_max_kms_ioctl;

	dev = (struct drm_device *)drm_attach_pci(&kms_driver, pa, is_agp,
	    rdev->console, self);
	rdev->ddev = dev;
	rdev->pdev = dev->pdev;

	rdev->family = rdev->flags & RADEON_FAMILY_MASK;
	if (!radeon_msi_ok(rdev))
		pa->pa_flags &= ~PCI_FLAGS_MSI_ENABLED;

	rdev->msi_enabled = 0;
	if (pci_intr_map_msi(pa, &rdev->intrh) == 0)
		rdev->msi_enabled = 1;
	else if (pci_intr_map(pa, &rdev->intrh) != 0) {
		printf(": couldn't map interrupt\n");
		return;
	}
	printf("%s: %s\n", rdev->dev.dv_xname,
	    pci_intr_string(pa->pa_pc, rdev->intrh));

	rdev->irqh = pci_intr_establish(pa->pa_pc, rdev->intrh, IPL_TTY,
	    radeon_driver_irq_handler_kms, rdev->ddev, rdev->dev.dv_xname);
	if (rdev->irqh == NULL) {
		printf("%s: couldn't establish interrupt\n",
		    rdev->dev.dv_xname);
		return;
	}

#ifdef __sparc64__
{
	struct rasops_info *ri;
	int node, console;

	node = PCITAG_NODE(pa->pa_tag);
	console = (fbnode == node);

	fb_setsize(&rdev->sf, 8, 1152, 900, node, 0);

	/*
	 * The firmware sets up the framebuffer such that at starts at
	 * an offset from the start of video memory.
	 */
	rdev->fb_offset =
	    bus_space_read_4(rdev->memt, rdev->rmmio, RADEON_CRTC_OFFSET);
	if (bus_space_map(rdev->memt, rdev->fb_aper_offset + rdev->fb_offset,
	    rdev->sf.sf_fbsize, BUS_SPACE_MAP_LINEAR, &rdev->memh)) {
		printf("%s: can't map video memory\n", rdev->dev.dv_xname);
		return;
	}

	ri = &rdev->sf.sf_ro;
	ri->ri_bits = bus_space_vaddr(rdev->memt, rdev->memh);
	ri->ri_hw = rdev;
	ri->ri_updatecursor = NULL;

	fbwscons_init(&rdev->sf, RI_VCONS | RI_WRONLY | RI_BSWAP, console);
	if (console)
		fbwscons_console_init(&rdev->sf, -1);
}
#endif

	rdev->shutdown = true;
	config_mountroot(self, radeondrm_attachhook);
}