diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 1081 |
1 files changed, 1081 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c new file mode 100644 index 00000000..5992502a --- /dev/null +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -0,0 +1,1081 @@ +/* + * Copyright 2008 Advanced Micro Devices, Inc. + * Copyright 2008 Red Hat Inc. + * Copyright 2009 Jerome Glisse. + * + * 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 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 + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + * + * Authors: Dave Airlie + * Alex Deucher + * Jerome Glisse + */ +#include <linux/console.h> +#include <linux/slab.h> +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include <drm/radeon_drm.h> +#include <linux/vgaarb.h> +#include <linux/vga_switcheroo.h> +#include <linux/efi.h> +#include "radeon_reg.h" +#include "radeon.h" +#include "atom.h" + +static const char radeon_family_name[][16] = { + "R100", + "RV100", + "RS100", + "RV200", + "RS200", + "R200", + "RV250", + "RS300", + "RV280", + "R300", + "R350", + "RV350", + "RV380", + "R420", + "R423", + "RV410", + "RS400", + "RS480", + "RS600", + "RS690", + "RS740", + "RV515", + "R520", + "RV530", + "RV560", + "RV570", + "R580", + "R600", + "RV610", + "RV630", + "RV670", + "RV620", + "RV635", + "RS780", + "RS880", + "RV770", + "RV730", + "RV710", + "RV740", + "CEDAR", + "REDWOOD", + "JUNIPER", + "CYPRESS", + "HEMLOCK", + "PALM", + "SUMO", + "SUMO2", + "BARTS", + "TURKS", + "CAICOS", + "CAYMAN", + "ARUBA", + "TAHITI", + "PITCAIRN", + "VERDE", + "LAST", +}; + +/* + * Clear GPU surface registers. + */ +void radeon_surface_init(struct radeon_device *rdev) +{ + /* FIXME: check this out */ + if (rdev->family < CHIP_R600) { + int i; + + for (i = 0; i < RADEON_GEM_MAX_SURFACES; i++) { + if (rdev->surface_regs[i].bo) + radeon_bo_get_surface_reg(rdev->surface_regs[i].bo); + else + radeon_clear_surface_reg(rdev, i); + } + /* enable surfaces */ + WREG32(RADEON_SURFACE_CNTL, 0); + } +} + +/* + * GPU scratch registers helpers function. + */ +void radeon_scratch_init(struct radeon_device *rdev) +{ + int i; + + /* FIXME: check this out */ + if (rdev->family < CHIP_R300) { + rdev->scratch.num_reg = 5; + } else { + rdev->scratch.num_reg = 7; + } + rdev->scratch.reg_base = RADEON_SCRATCH_REG0; + for (i = 0; i < rdev->scratch.num_reg; i++) { + rdev->scratch.free[i] = true; + rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4); + } +} + +int radeon_scratch_get(struct radeon_device *rdev, uint32_t *reg) +{ + int i; + + for (i = 0; i < rdev->scratch.num_reg; i++) { + if (rdev->scratch.free[i]) { + rdev->scratch.free[i] = false; + *reg = rdev->scratch.reg[i]; + return 0; + } + } + return -EINVAL; +} + +void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg) +{ + int i; + + for (i = 0; i < rdev->scratch.num_reg; i++) { + if (rdev->scratch.reg[i] == reg) { + rdev->scratch.free[i] = true; + return; + } + } +} + +void radeon_wb_disable(struct radeon_device *rdev) +{ + int r; + + if (rdev->wb.wb_obj) { + r = radeon_bo_reserve(rdev->wb.wb_obj, false); + if (unlikely(r != 0)) + return; + radeon_bo_kunmap(rdev->wb.wb_obj); + radeon_bo_unpin(rdev->wb.wb_obj); + radeon_bo_unreserve(rdev->wb.wb_obj); + } + rdev->wb.enabled = false; +} + +void radeon_wb_fini(struct radeon_device *rdev) +{ + radeon_wb_disable(rdev); + if (rdev->wb.wb_obj) { + radeon_bo_unref(&rdev->wb.wb_obj); + rdev->wb.wb = NULL; + rdev->wb.wb_obj = NULL; + } +} + +int radeon_wb_init(struct radeon_device *rdev) +{ + int r; + + if (rdev->wb.wb_obj == NULL) { + r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, PAGE_SIZE, true, + RADEON_GEM_DOMAIN_GTT, &rdev->wb.wb_obj); + if (r) { + dev_warn(rdev->dev, "(%d) create WB bo failed\n", r); + return r; + } + } + r = radeon_bo_reserve(rdev->wb.wb_obj, false); + if (unlikely(r != 0)) { + radeon_wb_fini(rdev); + return r; + } + r = radeon_bo_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT, + &rdev->wb.gpu_addr); + if (r) { + radeon_bo_unreserve(rdev->wb.wb_obj); + dev_warn(rdev->dev, "(%d) pin WB bo failed\n", r); + radeon_wb_fini(rdev); + return r; + } + r = radeon_bo_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb); + radeon_bo_unreserve(rdev->wb.wb_obj); + if (r) { + dev_warn(rdev->dev, "(%d) map WB bo failed\n", r); + radeon_wb_fini(rdev); + return r; + } + + /* clear wb memory */ + memset((char *)rdev->wb.wb, 0, RADEON_GPU_PAGE_SIZE); + /* disable event_write fences */ + rdev->wb.use_event = false; + /* disabled via module param */ + if (radeon_no_wb == 1) + rdev->wb.enabled = false; + else { + if (rdev->flags & RADEON_IS_AGP) { + /* often unreliable on AGP */ + rdev->wb.enabled = false; + } else if (rdev->family < CHIP_R300) { + /* often unreliable on pre-r300 */ + rdev->wb.enabled = false; + } else { + rdev->wb.enabled = true; + /* event_write fences are only available on r600+ */ + if (rdev->family >= CHIP_R600) + rdev->wb.use_event = true; + } + } + /* always use writeback/events on NI, APUs */ + if (rdev->family >= CHIP_PALM) { + rdev->wb.enabled = true; + rdev->wb.use_event = true; + } + + dev_info(rdev->dev, "WB %sabled\n", rdev->wb.enabled ? "en" : "dis"); + + return 0; +} + +/** + * radeon_vram_location - try to find VRAM location + * @rdev: radeon device structure holding all necessary informations + * @mc: memory controller structure holding memory informations + * @base: base address at which to put VRAM + * + * Function will place try to place VRAM at base address provided + * as parameter (which is so far either PCI aperture address or + * for IGP TOM base address). + * + * If there is not enough space to fit the unvisible VRAM in the 32bits + * address space then we limit the VRAM size to the aperture. + * + * If we are using AGP and if the AGP aperture doesn't allow us to have + * room for all the VRAM than we restrict the VRAM to the PCI aperture + * size and print a warning. + * + * This function will never fails, worst case are limiting VRAM. + * + * Note: GTT start, end, size should be initialized before calling this + * function on AGP platform. + * + * Note: We don't explicitly enforce VRAM start to be aligned on VRAM size, + * this shouldn't be a problem as we are using the PCI aperture as a reference. + * Otherwise this would be needed for rv280, all r3xx, and all r4xx, but + * not IGP. + * + * Note: we use mc_vram_size as on some board we need to program the mc to + * cover the whole aperture even if VRAM size is inferior to aperture size + * Novell bug 204882 + along with lots of ubuntu ones + * + * Note: when limiting vram it's safe to overwritte real_vram_size because + * we are not in case where real_vram_size is inferior to mc_vram_size (ie + * note afected by bogus hw of Novell bug 204882 + along with lots of ubuntu + * ones) + * + * Note: IGP TOM addr should be the same as the aperture addr, we don't + * explicitly check for that thought. + * + * FIXME: when reducing VRAM size align new size on power of 2. + */ +void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base) +{ + mc->vram_start = base; + if (mc->mc_vram_size > (0xFFFFFFFF - base + 1)) { + dev_warn(rdev->dev, "limiting VRAM to PCI aperture size\n"); + mc->real_vram_size = mc->aper_size; + mc->mc_vram_size = mc->aper_size; + } + mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; + if (rdev->flags & RADEON_IS_AGP && mc->vram_end > mc->gtt_start && mc->vram_start <= mc->gtt_end) { + dev_warn(rdev->dev, "limiting VRAM to PCI aperture size\n"); + mc->real_vram_size = mc->aper_size; + mc->mc_vram_size = mc->aper_size; + } + mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; + if (radeon_vram_limit && radeon_vram_limit < mc->real_vram_size) + mc->real_vram_size = radeon_vram_limit; + dev_info(rdev->dev, "VRAM: %lluM 0x%016llX - 0x%016llX (%lluM used)\n", + mc->mc_vram_size >> 20, mc->vram_start, + mc->vram_end, mc->real_vram_size >> 20); +} + +/** + * radeon_gtt_location - try to find GTT location + * @rdev: radeon device structure holding all necessary informations + * @mc: memory controller structure holding memory informations + * + * Function will place try to place GTT before or after VRAM. + * + * If GTT size is bigger than space left then we ajust GTT size. + * Thus function will never fails. + * + * FIXME: when reducing GTT size align new size on power of 2. + */ +void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) +{ + u64 size_af, size_bf; + + size_af = ((0xFFFFFFFF - mc->vram_end) + mc->gtt_base_align) & ~mc->gtt_base_align; + size_bf = mc->vram_start & ~mc->gtt_base_align; + if (size_bf > size_af) { + if (mc->gtt_size > size_bf) { + dev_warn(rdev->dev, "limiting GTT\n"); + mc->gtt_size = size_bf; + } + mc->gtt_start = (mc->vram_start & ~mc->gtt_base_align) - mc->gtt_size; + } else { + if (mc->gtt_size > size_af) { + dev_warn(rdev->dev, "limiting GTT\n"); + mc->gtt_size = size_af; + } + mc->gtt_start = (mc->vram_end + 1 + mc->gtt_base_align) & ~mc->gtt_base_align; + } + mc->gtt_end = mc->gtt_start + mc->gtt_size - 1; + dev_info(rdev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n", + mc->gtt_size >> 20, mc->gtt_start, mc->gtt_end); +} + +/* + * GPU helpers function. + */ +bool radeon_card_posted(struct radeon_device *rdev) +{ + uint32_t reg; + + if (efi_enabled && rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) + return false; + + /* first check CRTCs */ + if (ASIC_IS_DCE41(rdev)) { + reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET); + if (reg & EVERGREEN_CRTC_MASTER_EN) + return true; + } else if (ASIC_IS_DCE4(rdev)) { + reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); + if (reg & EVERGREEN_CRTC_MASTER_EN) + return true; + } else if (ASIC_IS_AVIVO(rdev)) { + reg = RREG32(AVIVO_D1CRTC_CONTROL) | + RREG32(AVIVO_D2CRTC_CONTROL); + if (reg & AVIVO_CRTC_EN) { + return true; + } + } else { + reg = RREG32(RADEON_CRTC_GEN_CNTL) | + RREG32(RADEON_CRTC2_GEN_CNTL); + if (reg & RADEON_CRTC_EN) { + return true; + } + } + + /* then check MEM_SIZE, in case the crtcs are off */ + if (rdev->family >= CHIP_R600) + reg = RREG32(R600_CONFIG_MEMSIZE); + else + reg = RREG32(RADEON_CONFIG_MEMSIZE); + + if (reg) + return true; + + return false; + +} + +void radeon_update_bandwidth_info(struct radeon_device *rdev) +{ + fixed20_12 a; + u32 sclk = rdev->pm.current_sclk; + u32 mclk = rdev->pm.current_mclk; + + /* sclk/mclk in Mhz */ + a.full = dfixed_const(100); + rdev->pm.sclk.full = dfixed_const(sclk); + rdev->pm.sclk.full = dfixed_div(rdev->pm.sclk, a); + rdev->pm.mclk.full = dfixed_const(mclk); + rdev->pm.mclk.full = dfixed_div(rdev->pm.mclk, a); + + if (rdev->flags & RADEON_IS_IGP) { + a.full = dfixed_const(16); + /* core_bandwidth = sclk(Mhz) * 16 */ + rdev->pm.core_bandwidth.full = dfixed_div(rdev->pm.sclk, a); + } +} + +bool radeon_boot_test_post_card(struct radeon_device *rdev) +{ + if (radeon_card_posted(rdev)) + return true; + + if (rdev->bios) { + DRM_INFO("GPU not posted. posting now...\n"); + if (rdev->is_atom_bios) + atom_asic_init(rdev->mode_info.atom_context); + else + radeon_combios_asic_init(rdev->ddev); + return true; + } else { + dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); + return false; + } +} + +int radeon_dummy_page_init(struct radeon_device *rdev) +{ + if (rdev->dummy_page.page) + return 0; + rdev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO); + if (rdev->dummy_page.page == NULL) + return -ENOMEM; + rdev->dummy_page.addr = pci_map_page(rdev->pdev, rdev->dummy_page.page, + 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); + if (pci_dma_mapping_error(rdev->pdev, rdev->dummy_page.addr)) { + dev_err(&rdev->pdev->dev, "Failed to DMA MAP the dummy page\n"); + __free_page(rdev->dummy_page.page); + rdev->dummy_page.page = NULL; + return -ENOMEM; + } + return 0; +} + +void radeon_dummy_page_fini(struct radeon_device *rdev) +{ + if (rdev->dummy_page.page == NULL) + return; + pci_unmap_page(rdev->pdev, rdev->dummy_page.addr, + PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); + __free_page(rdev->dummy_page.page); + rdev->dummy_page.page = NULL; +} + + +/* ATOM accessor methods */ +static uint32_t cail_pll_read(struct card_info *info, uint32_t reg) +{ + struct radeon_device *rdev = info->dev->dev_private; + uint32_t r; + + r = rdev->pll_rreg(rdev, reg); + return r; +} + +static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val) +{ + struct radeon_device *rdev = info->dev->dev_private; + + rdev->pll_wreg(rdev, reg, val); +} + +static uint32_t cail_mc_read(struct card_info *info, uint32_t reg) +{ + struct radeon_device *rdev = info->dev->dev_private; + uint32_t r; + + r = rdev->mc_rreg(rdev, reg); + return r; +} + +static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val) +{ + struct radeon_device *rdev = info->dev->dev_private; + + rdev->mc_wreg(rdev, reg, val); +} + +static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val) +{ + struct radeon_device *rdev = info->dev->dev_private; + + WREG32(reg*4, val); +} + +static uint32_t cail_reg_read(struct card_info *info, uint32_t reg) +{ + struct radeon_device *rdev = info->dev->dev_private; + uint32_t r; + + r = RREG32(reg*4); + return r; +} + +static void cail_ioreg_write(struct card_info *info, uint32_t reg, uint32_t val) +{ + struct radeon_device *rdev = info->dev->dev_private; + + WREG32_IO(reg*4, val); +} + +static uint32_t cail_ioreg_read(struct card_info *info, uint32_t reg) +{ + struct radeon_device *rdev = info->dev->dev_private; + uint32_t r; + + r = RREG32_IO(reg*4); + return r; +} + +int radeon_atombios_init(struct radeon_device *rdev) +{ + struct card_info *atom_card_info = + kzalloc(sizeof(struct card_info), GFP_KERNEL); + + if (!atom_card_info) + return -ENOMEM; + + rdev->mode_info.atom_card_info = atom_card_info; + atom_card_info->dev = rdev->ddev; + atom_card_info->reg_read = cail_reg_read; + atom_card_info->reg_write = cail_reg_write; + /* needed for iio ops */ + if (rdev->rio_mem) { + atom_card_info->ioreg_read = cail_ioreg_read; + atom_card_info->ioreg_write = cail_ioreg_write; + } else { + DRM_ERROR("Unable to find PCI I/O BAR; using MMIO for ATOM IIO\n"); + atom_card_info->ioreg_read = cail_reg_read; + atom_card_info->ioreg_write = cail_reg_write; + } + atom_card_info->mc_read = cail_mc_read; + atom_card_info->mc_write = cail_mc_write; + atom_card_info->pll_read = cail_pll_read; + atom_card_info->pll_write = cail_pll_write; + + rdev->mode_info.atom_context = atom_parse(atom_card_info, rdev->bios); + mutex_init(&rdev->mode_info.atom_context->mutex); + radeon_atom_initialize_bios_scratch_regs(rdev->ddev); + atom_allocate_fb_scratch(rdev->mode_info.atom_context); + return 0; +} + +void radeon_atombios_fini(struct radeon_device *rdev) +{ + if (rdev->mode_info.atom_context) { + kfree(rdev->mode_info.atom_context->scratch); + kfree(rdev->mode_info.atom_context); + } + kfree(rdev->mode_info.atom_card_info); +} + +int radeon_combios_init(struct radeon_device *rdev) +{ + radeon_combios_initialize_bios_scratch_regs(rdev->ddev); + return 0; +} + +void radeon_combios_fini(struct radeon_device *rdev) +{ +} + +/* if we get transitioned to only one device, tak VGA back */ +static unsigned int radeon_vga_set_decode(void *cookie, bool state) +{ + struct radeon_device *rdev = cookie; + radeon_vga_set_state(rdev, 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; +} + +void radeon_check_arguments(struct radeon_device *rdev) +{ + /* vramlimit must be a power of two */ + switch (radeon_vram_limit) { + case 0: + case 4: + case 8: + case 16: + case 32: + case 64: + case 128: + case 256: + case 512: + case 1024: + case 2048: + case 4096: + break; + default: + dev_warn(rdev->dev, "vram limit (%d) must be a power of 2\n", + radeon_vram_limit); + radeon_vram_limit = 0; + break; + } + radeon_vram_limit = radeon_vram_limit << 20; + /* gtt size must be power of two and greater or equal to 32M */ + switch (radeon_gart_size) { + case 4: + case 8: + case 16: + dev_warn(rdev->dev, "gart size (%d) too small forcing to 512M\n", + radeon_gart_size); + radeon_gart_size = 512; + break; + case 32: + case 64: + case 128: + case 256: + case 512: + case 1024: + case 2048: + case 4096: + break; + default: + dev_warn(rdev->dev, "gart size (%d) must be a power of 2\n", + radeon_gart_size); + radeon_gart_size = 512; + break; + } + rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024; + /* AGP mode can only be -1, 1, 2, 4, 8 */ + switch (radeon_agpmode) { + case -1: + case 0: + case 1: + case 2: + case 4: + case 8: + break; + default: + dev_warn(rdev->dev, "invalid AGP mode %d (valid mode: " + "-1, 0, 1, 2, 4, 8)\n", radeon_agpmode); + radeon_agpmode = 0; + break; + } +} + +static void radeon_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_INFO "radeon: switched on\n"); + /* don't suspend or resume card normally */ + dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; + radeon_resume_kms(dev); + dev->switch_power_state = DRM_SWITCH_POWER_ON; + drm_kms_helper_poll_enable(dev); + } else { + printk(KERN_INFO "radeon: switched off\n"); + drm_kms_helper_poll_disable(dev); + dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; + radeon_suspend_kms(dev, pmm); + dev->switch_power_state = DRM_SWITCH_POWER_OFF; + } +} + +static bool radeon_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; +} + + +int radeon_device_init(struct radeon_device *rdev, + struct drm_device *ddev, + struct pci_dev *pdev, + uint32_t flags) +{ + int r, i; + int dma_bits; + + rdev->shutdown = false; + rdev->dev = &pdev->dev; + rdev->ddev = ddev; + rdev->pdev = pdev; + rdev->flags = flags; + rdev->family = flags & RADEON_FAMILY_MASK; + rdev->is_atom_bios = false; + rdev->usec_timeout = RADEON_MAX_USEC_TIMEOUT; + rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024; + rdev->gpu_lockup = false; + rdev->accel_working = false; + + DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X).\n", + radeon_family_name[rdev->family], pdev->vendor, pdev->device, + pdev->subsystem_vendor, pdev->subsystem_device); + + /* mutex initialization are all done here so we + * can recall function without having locking issues */ + radeon_mutex_init(&rdev->cs_mutex); + radeon_mutex_init(&rdev->ib_pool.mutex); + for (i = 0; i < RADEON_NUM_RINGS; ++i) + mutex_init(&rdev->ring[i].mutex); + mutex_init(&rdev->dc_hw_i2c_mutex); + if (rdev->family >= CHIP_R600) + spin_lock_init(&rdev->ih.lock); + mutex_init(&rdev->gem.mutex); + mutex_init(&rdev->pm.mutex); + mutex_init(&rdev->vram_mutex); + rwlock_init(&rdev->fence_lock); + rwlock_init(&rdev->semaphore_drv.lock); + INIT_LIST_HEAD(&rdev->gem.objects); + init_waitqueue_head(&rdev->irq.vblank_queue); + init_waitqueue_head(&rdev->irq.idle_queue); + INIT_LIST_HEAD(&rdev->semaphore_drv.bo); + /* initialize vm here */ + rdev->vm_manager.use_bitmap = 1; + rdev->vm_manager.max_pfn = 1 << 20; + INIT_LIST_HEAD(&rdev->vm_manager.lru_vm); + + /* Set asic functions */ + r = radeon_asic_init(rdev); + if (r) + return r; + radeon_check_arguments(rdev); + + /* all of the newer IGP chips have an internal gart + * However some rs4xx report as AGP, so remove that here. + */ + if ((rdev->family >= CHIP_RS400) && + (rdev->flags & RADEON_IS_IGP)) { + rdev->flags &= ~RADEON_IS_AGP; + } + + if (rdev->flags & RADEON_IS_AGP && radeon_agpmode == -1) { + radeon_agp_disable(rdev); + } + + /* set DMA mask + need_dma32 flags. + * PCIE - can handle 40-bits. + * IGP - can handle 40-bits + * AGP - generally dma32 is safest + * PCI - dma32 for legacy pci gart, 40 bits on newer asics + */ + rdev->need_dma32 = false; + if (rdev->flags & RADEON_IS_AGP) + rdev->need_dma32 = true; + if ((rdev->flags & RADEON_IS_PCI) && + (rdev->family < CHIP_RS400)) + rdev->need_dma32 = true; + + dma_bits = rdev->need_dma32 ? 32 : 40; + r = pci_set_dma_mask(rdev->pdev, DMA_BIT_MASK(dma_bits)); + if (r) { + rdev->need_dma32 = true; + dma_bits = 32; + printk(KERN_WARNING "radeon: No suitable DMA available.\n"); + } + r = pci_set_consistent_dma_mask(rdev->pdev, DMA_BIT_MASK(dma_bits)); + if (r) { + pci_set_consistent_dma_mask(rdev->pdev, DMA_BIT_MASK(32)); + printk(KERN_WARNING "radeon: No coherent DMA available.\n"); + } + + /* Registers mapping */ + /* TODO: block userspace mapping of io register */ + rdev->rmmio_base = pci_resource_start(rdev->pdev, 2); + rdev->rmmio_size = pci_resource_len(rdev->pdev, 2); + rdev->rmmio = ioremap(rdev->rmmio_base, rdev->rmmio_size); + if (rdev->rmmio == NULL) { + return -ENOMEM; + } + DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)rdev->rmmio_base); + DRM_INFO("register mmio size: %u\n", (unsigned)rdev->rmmio_size); + + /* io port mapping */ + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + if (pci_resource_flags(rdev->pdev, i) & IORESOURCE_IO) { + rdev->rio_mem_size = pci_resource_len(rdev->pdev, i); + rdev->rio_mem = pci_iomap(rdev->pdev, i, rdev->rio_mem_size); + break; + } + } + if (rdev->rio_mem == NULL) + DRM_ERROR("Unable to find PCI I/O BAR\n"); + + /* if we have > 1 VGA cards, then disable the radeon VGA resources */ + /* this will fail for cards that aren't VGA class devices, just + * ignore it */ + vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode); + vga_switcheroo_register_client(rdev->pdev, + radeon_switcheroo_set_state, + NULL, + radeon_switcheroo_can_switch); + + r = radeon_init(rdev); + if (r) + return r; + + if (rdev->flags & RADEON_IS_AGP && !rdev->accel_working) { + /* Acceleration not working on AGP card try again + * with fallback to PCI or PCIE GART + */ + radeon_asic_reset(rdev); + radeon_fini(rdev); + radeon_agp_disable(rdev); + r = radeon_init(rdev); + if (r) + return r; + } + if ((radeon_testing & 1)) { + radeon_test_moves(rdev); + } + if ((radeon_testing & 2)) { + radeon_test_syncing(rdev); + } + if (radeon_benchmarking) { + radeon_benchmark(rdev, radeon_benchmarking); + } + return 0; +} + +static void radeon_debugfs_remove_files(struct radeon_device *rdev); + +void radeon_device_fini(struct radeon_device *rdev) +{ + DRM_INFO("radeon: finishing device.\n"); + rdev->shutdown = true; + /* evict vram memory */ + radeon_bo_evict_vram(rdev); + radeon_fini(rdev); + vga_switcheroo_unregister_client(rdev->pdev); + vga_client_register(rdev->pdev, NULL, NULL, NULL); + if (rdev->rio_mem) + pci_iounmap(rdev->pdev, rdev->rio_mem); + rdev->rio_mem = NULL; + iounmap(rdev->rmmio); + rdev->rmmio = NULL; + radeon_debugfs_remove_files(rdev); +} + + +/* + * Suspend & resume. + */ +int radeon_suspend_kms(struct drm_device *dev, pm_message_t state) +{ + struct radeon_device *rdev; + struct drm_crtc *crtc; + struct drm_connector *connector; + int i, r; + + if (dev == NULL || dev->dev_private == NULL) { + return -ENODEV; + } + if (state.event == PM_EVENT_PRETHAW) { + return 0; + } + rdev = dev->dev_private; + + if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) + return 0; + + drm_kms_helper_poll_disable(dev); + + /* turn off display hw */ + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); + } + + /* unpin the front buffers */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->fb); + struct radeon_bo *robj; + + if (rfb == NULL || rfb->obj == NULL) { + continue; + } + robj = gem_to_radeon_bo(rfb->obj); + /* don't unpin kernel fb objects */ + if (!radeon_fbdev_robj_is_fb(rdev, robj)) { + r = radeon_bo_reserve(robj, false); + if (r == 0) { + radeon_bo_unpin(robj); + radeon_bo_unreserve(robj); + } + } + } + /* evict vram memory */ + radeon_bo_evict_vram(rdev); + /* wait for gpu to finish processing current batch */ + for (i = 0; i < RADEON_NUM_RINGS; i++) + radeon_fence_wait_last(rdev, i); + + radeon_save_bios_scratch_regs(rdev); + + radeon_pm_suspend(rdev); + radeon_suspend(rdev); + radeon_hpd_fini(rdev); + /* evict remaining vram memory */ + radeon_bo_evict_vram(rdev); + + radeon_agp_suspend(rdev); + + pci_save_state(dev->pdev); + if (state.event == PM_EVENT_SUSPEND) { + /* Shut down the device */ + pci_disable_device(dev->pdev); + pci_set_power_state(dev->pdev, PCI_D3hot); + } + console_lock(); + radeon_fbdev_set_suspend(rdev, 1); + console_unlock(); + return 0; +} + +int radeon_resume_kms(struct drm_device *dev) +{ + struct drm_connector *connector; + struct radeon_device *rdev = dev->dev_private; + + if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) + return 0; + + console_lock(); + pci_set_power_state(dev->pdev, PCI_D0); + pci_restore_state(dev->pdev); + if (pci_enable_device(dev->pdev)) { + console_unlock(); + return -1; + } + pci_set_master(dev->pdev); + /* resume AGP if in use */ + radeon_agp_resume(rdev); + radeon_resume(rdev); + radeon_pm_resume(rdev); + radeon_restore_bios_scratch_regs(rdev); + + radeon_fbdev_set_suspend(rdev, 0); + console_unlock(); + + /* init dig PHYs, disp eng pll */ + if (rdev->is_atom_bios) { + radeon_atom_encoder_init(rdev); + radeon_atom_disp_eng_pll_init(rdev); + } + /* reset hpd state */ + radeon_hpd_init(rdev); + /* blat the mode back in */ + drm_helper_resume_force_mode(dev); + /* turn on display hw */ + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); + } + + drm_kms_helper_poll_enable(dev); + return 0; +} + +int radeon_gpu_reset(struct radeon_device *rdev) +{ + int r; + int resched; + + /* Prevent CS ioctl from interfering */ + radeon_mutex_lock(&rdev->cs_mutex); + + radeon_save_bios_scratch_regs(rdev); + /* block TTM */ + resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev); + radeon_suspend(rdev); + + r = radeon_asic_reset(rdev); + if (!r) { + dev_info(rdev->dev, "GPU reset succeed\n"); + radeon_resume(rdev); + radeon_restore_bios_scratch_regs(rdev); + drm_helper_resume_force_mode(rdev->ddev); + ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched); + } + + radeon_mutex_unlock(&rdev->cs_mutex); + + if (r) { + /* bad news, how to tell it to userspace ? */ + dev_info(rdev->dev, "GPU reset failed\n"); + } + + return r; +} + + +/* + * Debugfs + */ +int radeon_debugfs_add_files(struct radeon_device *rdev, + struct drm_info_list *files, + unsigned nfiles) +{ + unsigned i; + + for (i = 0; i < rdev->debugfs_count; i++) { + if (rdev->debugfs[i].files == files) { + /* Already registered */ + return 0; + } + } + + i = rdev->debugfs_count + 1; + if (i > RADEON_DEBUGFS_MAX_COMPONENTS) { + DRM_ERROR("Reached maximum number of debugfs components.\n"); + DRM_ERROR("Report so we increase " + "RADEON_DEBUGFS_MAX_COMPONENTS.\n"); + return -EINVAL; + } + rdev->debugfs[rdev->debugfs_count].files = files; + rdev->debugfs[rdev->debugfs_count].num_files = nfiles; + rdev->debugfs_count = i; +#if defined(CONFIG_DEBUG_FS) + drm_debugfs_create_files(files, nfiles, + rdev->ddev->control->debugfs_root, + rdev->ddev->control); + drm_debugfs_create_files(files, nfiles, + rdev->ddev->primary->debugfs_root, + rdev->ddev->primary); +#endif + return 0; +} + +static void radeon_debugfs_remove_files(struct radeon_device *rdev) +{ +#if defined(CONFIG_DEBUG_FS) + unsigned i; + + for (i = 0; i < rdev->debugfs_count; i++) { + drm_debugfs_remove_files(rdev->debugfs[i].files, + rdev->debugfs[i].num_files, + rdev->ddev->control); + drm_debugfs_remove_files(rdev->debugfs[i].files, + rdev->debugfs[i].num_files, + rdev->ddev->primary); + } +#endif +} + +#if defined(CONFIG_DEBUG_FS) +int radeon_debugfs_init(struct drm_minor *minor) +{ + return 0; +} + +void radeon_debugfs_cleanup(struct drm_minor *minor) +{ +} +#endif |