diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/Makefile | 8 | ||||
| -rw-r--r-- | linux-core/Makefile.kernel | 2 | ||||
| -rw-r--r-- | linux-core/xgi_cmdlist.c | 264 | ||||
| -rw-r--r-- | linux-core/xgi_cmdlist.h | 98 | ||||
| l--------- | linux-core/xgi_drm.h | 1 | ||||
| -rw-r--r-- | linux-core/xgi_drv.c | 362 | ||||
| -rw-r--r-- | linux-core/xgi_drv.h | 152 | ||||
| -rw-r--r-- | linux-core/xgi_fb.c | 370 | ||||
| -rw-r--r-- | linux-core/xgi_misc.c | 474 | ||||
| -rw-r--r-- | linux-core/xgi_misc.h | 37 | ||||
| -rw-r--r-- | linux-core/xgi_pcie.c | 348 | ||||
| -rw-r--r-- | linux-core/xgi_regs.h | 216 |
12 files changed, 2331 insertions, 1 deletions
diff --git a/linux-core/Makefile b/linux-core/Makefile index 1758777c..55e25253 100644 --- a/linux-core/Makefile +++ b/linux-core/Makefile @@ -58,7 +58,7 @@ endif # Modules for all architectures MODULE_LIST := drm.o tdfx.o r128.o radeon.o mga.o sis.o savage.o via.o \ - mach64.o nv.o nouveau.o + mach64.o nv.o nouveau.o xgi.o # Modules only for ix86 architectures ifneq (,$(findstring 86,$(MACHINE))) @@ -91,6 +91,7 @@ MACH64HEADERS = mach64_drv.h mach64_drm.h $(DRMHEADERS) NVHEADERS = nv_drv.h $(DRMHEADERS) FFBHEADERS = ffb_drv.h $(DRMHEADERS) NOUVEAUHEADERS = nouveau_drv.h nouveau_drm.h nouveau_reg.h $(DRMHEADERS) +XGIHEADERS = xgi_cmdlist.h xgi_drv.h xgi_misc.h xgi_regs.h $(DRMHEADERS) PROGS = dristat drmstat @@ -284,6 +285,7 @@ CONFIG_DRM_VIA := n CONFIG_DRM_MACH64 := n CONFIG_DRM_NV := n CONFIG_DRM_NOUVEAU := n +CONFIG_DRM_XGI := n # Enable module builds for the modules requested/supported. @@ -320,6 +322,9 @@ endif ifneq (,$(findstring nouveau,$(DRM_MODULES))) CONFIG_DRM_NOUVEAU := m endif +ifneq (,$(findstring xgi,$(DRM_MODULES))) +CONFIG_DRM_XGI := m +endif # These require AGP support @@ -347,6 +352,7 @@ $(via-objs): $(VIAHEADERS) $(mach64-objs): $(MACH64HEADERS) $(nv-objs): $(NVHEADERS) $(nouveau-objs): $(NOUVEAUHEADERS) +$(xgi-objs): $(XGIHEADERS) endif diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel index 5aa589cd..c898206d 100644 --- a/linux-core/Makefile.kernel +++ b/linux-core/Makefile.kernel @@ -38,6 +38,7 @@ via-objs := via_irq.o via_drv.o via_map.o via_mm.o via_dma.o via_verifier.o \ via_video.o via_dmablit.o via_fence.o via_buffer.o mach64-objs := mach64_drv.o mach64_dma.o mach64_irq.o mach64_state.o nv-objs := nv_drv.o +xgi-objs := xgi_cmdlist.o xgi_drv.o xgi_fb.o xgi_misc.o xgi_pcie.o ifeq ($(CONFIG_COMPAT),y) drm-objs += drm_ioc32.o @@ -62,3 +63,4 @@ obj-$(CONFIG_DRM_VIA) += via.o obj-$(CONFIG_DRM_MACH64)+= mach64.o obj-$(CONFIG_DRM_NV) += nv.o obj-$(CONFIG_DRM_NOUVEAU) += nouveau.o +obj-$(CONFIG_DRM_XGI) += xgi.o
\ No newline at end of file diff --git a/linux-core/xgi_cmdlist.c b/linux-core/xgi_cmdlist.c new file mode 100644 index 00000000..490e9f39 --- /dev/null +++ b/linux-core/xgi_cmdlist.c @@ -0,0 +1,264 @@ +/**************************************************************************** + * Copyright (C) 2003-2006 by XGI Technology, Taiwan. + * + * 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 on 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * XGI 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 "xgi_drv.h" +#include "xgi_regs.h" +#include "xgi_misc.h" +#include "xgi_cmdlist.h" + +static void addFlush2D(struct xgi_info * info); +static unsigned int get_batch_command(enum xgi_batch_type type); +static void triggerHWCommandList(struct xgi_info * info); +static void xgi_cmdlist_reset(struct xgi_info * info); + +int xgi_cmdlist_initialize(struct xgi_info * info, size_t size) +{ + struct xgi_mem_alloc mem_alloc = { + .size = size, + .owner = PCIE_2D, + }; + int err; + + err = xgi_pcie_alloc(info, &mem_alloc, 0); + if (err) { + return err; + } + + info->cmdring.ptr = xgi_find_pcie_virt(info, mem_alloc.hw_addr); + info->cmdring.size = mem_alloc.size; + info->cmdring.ring_hw_base = mem_alloc.hw_addr; + info->cmdring.ring_gart_base = mem_alloc.offset; + info->cmdring.last_ptr = NULL; + info->cmdring.ring_offset = 0; + + return 0; +} + + +/** + * get_batch_command - Get the command ID for the current begin type. + * @type: Type of the current batch + * + * See section 3.2.2 "Begin" (page 15) of the 3D SPG. + * + * This function assumes that @type is on the range [0,3]. + */ +unsigned int get_batch_command(enum xgi_batch_type type) +{ + static const unsigned int ports[4] = { + 0x30 >> 2, 0x40 >> 2, 0x50 >> 2, 0x20 >> 2 + }; + + return ports[type]; +} + + +static void xgi_submit_cmdlist(struct xgi_info * info, + const struct xgi_cmd_info * pCmdInfo) +{ + const unsigned int cmd = get_batch_command(pCmdInfo->type); + u32 begin[4]; + + + begin[0] = (cmd << 24) | BEGIN_VALID_MASK + | (BEGIN_BEGIN_IDENTIFICATION_MASK & pCmdInfo->id); + begin[1] = BEGIN_LINK_ENABLE_MASK | pCmdInfo->size; + begin[2] = pCmdInfo->hw_addr >> 4; + begin[3] = 0; + + if (info->cmdring.last_ptr == NULL) { + const unsigned int portOffset = BASE_3D_ENG + (cmd << 2); + + + /* Enable PCI Trigger Mode + */ + dwWriteReg(info->mmio_map, + BASE_3D_ENG + M2REG_AUTO_LINK_SETTING_ADDRESS, + (M2REG_AUTO_LINK_SETTING_ADDRESS << 22) | + M2REG_CLEAR_COUNTERS_MASK | 0x08 | + M2REG_PCI_TRIGGER_MODE_MASK); + + dwWriteReg(info->mmio_map, + BASE_3D_ENG + M2REG_AUTO_LINK_SETTING_ADDRESS, + (M2REG_AUTO_LINK_SETTING_ADDRESS << 22) | 0x08 | + M2REG_PCI_TRIGGER_MODE_MASK); + + + /* Send PCI begin command + */ + dwWriteReg(info->mmio_map, portOffset, begin[0]); + dwWriteReg(info->mmio_map, portOffset + 4, begin[1]); + dwWriteReg(info->mmio_map, portOffset + 8, begin[2]); + dwWriteReg(info->mmio_map, portOffset + 12, begin[3]); + } else { + DRM_DEBUG("info->cmdring.last_ptr != NULL\n"); + + if (pCmdInfo->type == BTYPE_3D) { + addFlush2D(info); + } + + info->cmdring.last_ptr[1] = begin[1]; + info->cmdring.last_ptr[2] = begin[2]; + info->cmdring.last_ptr[3] = begin[3]; + wmb(); + info->cmdring.last_ptr[0] = begin[0]; + + triggerHWCommandList(info); + } + + info->cmdring.last_ptr = xgi_find_pcie_virt(info, pCmdInfo->hw_addr); +} + + +int xgi_submit_cmdlist_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + struct xgi_cmd_info cmd_list; + struct xgi_info *info = dev->dev_private; + + DRM_COPY_FROM_USER_IOCTL(cmd_list, + (struct xgi_cmd_info __user *) data, + sizeof(cmd_list)); + + if (cmd_list.type > BTYPE_CTRL) { + return DRM_ERR(EINVAL); + } + + xgi_submit_cmdlist(info, &cmd_list); + return 0; +} + + +/* + state: 0 - console + 1 - graphic + 2 - fb + 3 - logout +*/ +int xgi_state_change(struct xgi_info * info, unsigned int to, + unsigned int from) +{ +#define STATE_CONSOLE 0 +#define STATE_GRAPHIC 1 +#define STATE_FBTERM 2 +#define STATE_LOGOUT 3 +#define STATE_REBOOT 4 +#define STATE_SHUTDOWN 5 + + if ((from == STATE_GRAPHIC) && (to == STATE_CONSOLE)) { + DRM_INFO("Leaving graphical mode (probably VT switch)\n"); + } else if ((from == STATE_CONSOLE) && (to == STATE_GRAPHIC)) { + DRM_INFO("Entering graphical mode (probably VT switch)\n"); + xgi_cmdlist_reset(info); + } else if ((from == STATE_GRAPHIC) + && ((to == STATE_LOGOUT) + || (to == STATE_REBOOT) + || (to == STATE_SHUTDOWN))) { + DRM_INFO("Leaving graphical mode (probably X shutting down)\n"); + } else { + DRM_ERROR("Invalid state change.\n"); + return DRM_ERR(EINVAL); + } + + return 0; +} + + +int xgi_state_change_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + struct xgi_state_info state; + struct xgi_info *info = dev->dev_private; + + DRM_COPY_FROM_USER_IOCTL(state, (struct xgi_state_info __user *) data, + sizeof(state)); + + return xgi_state_change(info, state._toState, state._fromState); +} + + +void xgi_cmdlist_reset(struct xgi_info * info) +{ + info->cmdring.last_ptr = NULL; + info->cmdring.ring_offset = 0; +} + +void xgi_cmdlist_cleanup(struct xgi_info * info) +{ + if (info->cmdring.ring_hw_base != 0) { + xgi_pcie_free(info, info->cmdring.ring_gart_base, NULL); + info->cmdring.ring_hw_base = 0; + info->cmdring.ring_offset = 0; + info->cmdring.size = 0; + } +} + +static void triggerHWCommandList(struct xgi_info * info) +{ + static unsigned int s_triggerID = 1; + + dwWriteReg(info->mmio_map, + BASE_3D_ENG + M2REG_PCI_TRIGGER_REGISTER_ADDRESS, + 0x05000000 + (0x0ffff & s_triggerID++)); +} + + +static void addFlush2D(struct xgi_info * info) +{ + u32 *flushBatchVirtAddr; + u32 flushBatchHWAddr; + + /* check buf is large enough to contain a new flush batch */ + if ((info->cmdring.ring_offset + 0x20) >= info->cmdring.size) { + info->cmdring.ring_offset = 0; + } + + flushBatchHWAddr = info->cmdring.ring_hw_base + info->cmdring.ring_offset; + flushBatchVirtAddr = info->cmdring.ptr + + (info->cmdring.ring_offset / 4); + + /* not using memcpy for I assume the address is discrete */ + *(flushBatchVirtAddr + 0) = 0x10000000; + *(flushBatchVirtAddr + 1) = 0x80000004; /* size = 0x04 dwords */ + *(flushBatchVirtAddr + 2) = 0x00000000; + *(flushBatchVirtAddr + 3) = 0x00000000; + *(flushBatchVirtAddr + 4) = FLUSH_2D; + *(flushBatchVirtAddr + 5) = FLUSH_2D; + *(flushBatchVirtAddr + 6) = FLUSH_2D; + *(flushBatchVirtAddr + 7) = FLUSH_2D; + + info->cmdring.last_ptr[1] = BEGIN_LINK_ENABLE_MASK + 0x08; + info->cmdring.last_ptr[2] = flushBatchHWAddr >> 4; + info->cmdring.last_ptr[3] = 0; + wmb(); + info->cmdring.last_ptr[0] = (get_batch_command(BTYPE_CTRL) << 24) + | (BEGIN_VALID_MASK); + + triggerHWCommandList(info); + + info->cmdring.ring_offset += 0x20; + info->cmdring.last_ptr = flushBatchVirtAddr; +} diff --git a/linux-core/xgi_cmdlist.h b/linux-core/xgi_cmdlist.h new file mode 100644 index 00000000..604c9aac --- /dev/null +++ b/linux-core/xgi_cmdlist.h @@ -0,0 +1,98 @@ +/**************************************************************************** + * Copyright (C) 2003-2006 by XGI Technology, Taiwan. + * + * 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 on 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * XGI 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. + ***************************************************************************/ + +#ifndef _XGI_CMDLIST_H_ +#define _XGI_CMDLIST_H_ + +#define ONE_BIT_MASK 0x1 +#define TWENTY_BIT_MASK 0xfffff +#define M2REG_FLUSH_2D_ENGINE_MASK (ONE_BIT_MASK<<20) +#define M2REG_FLUSH_3D_ENGINE_MASK TWENTY_BIT_MASK +#define M2REG_FLUSH_FLIP_ENGINE_MASK (ONE_BIT_MASK<<21) +#define BASE_3D_ENG 0x2800 +#define M2REG_AUTO_LINK_SETTING_ADDRESS 0x10 +#define M2REG_CLEAR_COUNTERS_MASK (ONE_BIT_MASK<<4) +#define M2REG_PCI_TRIGGER_MODE_MASK (ONE_BIT_MASK<<1) +#define BEGIN_VALID_MASK (ONE_BIT_MASK<<20) +#define BEGIN_LINK_ENABLE_MASK (ONE_BIT_MASK<<31) +#define BEGIN_BEGIN_IDENTIFICATION_MASK (TWENTY_BIT_MASK<<0) +#define M2REG_PCI_TRIGGER_REGISTER_ADDRESS 0x14 + +typedef enum { + FLUSH_2D = M2REG_FLUSH_2D_ENGINE_MASK, + FLUSH_3D = M2REG_FLUSH_3D_ENGINE_MASK, + FLUSH_FLIP = M2REG_FLUSH_FLIP_ENGINE_MASK +} FLUSH_CODE; + +typedef enum { + AGPCMDLIST_SCRATCH_SIZE = 0x100, + AGPCMDLIST_BEGIN_SIZE = 0x004, + AGPCMDLIST_3D_SCRATCH_CMD_SIZE = 0x004, + AGPCMDLIST_2D_SCRATCH_CMD_SIZE = 0x00c, + AGPCMDLIST_FLUSH_CMD_LEN = 0x004, + AGPCMDLIST_DUMY_END_BATCH_LEN = AGPCMDLIST_BEGIN_SIZE +} CMD_SIZE; + +struct xgi_cmdring_info { + /** + * Kernel space pointer to the base of the command ring. + */ + u32 * ptr; + + /** + * Size, in bytes, of the command ring. + */ + unsigned int size; + + /** + * Base address of the command ring from the hardware's PoV. + */ + unsigned int ring_hw_base; + + /** + * Offset, in bytes, from the base of PCI-e GART space to the start + * of the ring. + */ + unsigned long ring_gart_base; + + u32 * last_ptr; + + /** + * Offset, in bytes, from the start of the ring to the next available + * location to store a command. + */ + unsigned int ring_offset; +}; + +struct xgi_info; +extern int xgi_cmdlist_initialize(struct xgi_info * info, size_t size); + +extern int xgi_state_change(struct xgi_info * info, unsigned int to, + unsigned int from); + +extern void xgi_cmdlist_cleanup(struct xgi_info * info); + +#endif /* _XGI_CMDLIST_H_ */ diff --git a/linux-core/xgi_drm.h b/linux-core/xgi_drm.h new file mode 120000 index 00000000..677586d7 --- /dev/null +++ b/linux-core/xgi_drm.h @@ -0,0 +1 @@ +../shared-core/xgi_drm.h
\ No newline at end of file diff --git a/linux-core/xgi_drv.c b/linux-core/xgi_drv.c new file mode 100644 index 00000000..2c3384b0 --- /dev/null +++ b/linux-core/xgi_drv.c @@ -0,0 +1,362 @@ +/**************************************************************************** + * Copyright (C) 2003-2006 by XGI Technology, Taiwan. + * + * 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 on 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * XGI 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 "xgi_drv.h" +#include "xgi_regs.h" +#include "xgi_misc.h" +#include "xgi_cmdlist.h" + +#include "drm_pciids.h" + +static struct pci_device_id pciidlist[] = { + xgi_PCI_IDS +}; + +static int xgi_bootstrap(DRM_IOCTL_ARGS); + +static drm_ioctl_desc_t xgi_ioctls[] = { + [DRM_IOCTL_NR(DRM_XGI_BOOTSTRAP)] = {xgi_bootstrap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + + [DRM_IOCTL_NR(DRM_XGI_FB_ALLOC)] = {xgi_fb_alloc_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_XGI_FB_FREE)] = {xgi_fb_free_ioctl, DRM_AUTH}, + + [DRM_IOCTL_NR(DRM_XGI_PCIE_ALLOC)] = {xgi_pcie_alloc_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_XGI_PCIE_FREE)] = {xgi_pcie_free_ioctl, DRM_AUTH}, + + [DRM_IOCTL_NR(DRM_XGI_GE_RESET)] = {xgi_ge_reset_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_XGI_DUMP_REGISTER)] = {xgi_dump_register_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_XGI_DEBUG_INFO)] = {xgi_restore_registers_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_XGI_SUBMIT_CMDLIST)] = {xgi_submit_cmdlist_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_XGI_TEST_RWINKERNEL)] = {xgi_test_rwinkernel_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_XGI_STATE_CHANGE)] = {xgi_state_change_ioctl, DRM_AUTH|DRM_MASTER}, +}; + +static const int xgi_max_ioctl = DRM_ARRAY_SIZE(xgi_ioctls); + +static int probe(struct pci_dev *pdev, const struct pci_device_id *ent); +static int xgi_driver_load(struct drm_device *dev, unsigned long flags); +static int xgi_driver_unload(struct drm_device *dev); +static void xgi_driver_preclose(struct drm_device * dev, DRMFILE filp); +static void xgi_driver_lastclose(drm_device_t * dev); +static irqreturn_t xgi_kern_isr(DRM_IRQ_ARGS); + + +static struct drm_driver driver = { + .driver_features = + DRIVER_PCI_DMA | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | + DRIVER_IRQ_SHARED | DRIVER_SG, + .dev_priv_size = sizeof(struct xgi_info), + .load = xgi_driver_load, + .unload = xgi_driver_unload, + .preclose = xgi_driver_preclose, + .lastclose = xgi_driver_lastclose, + .dma_quiescent = NULL, + .irq_preinstall = NULL, + .irq_postinstall = NULL, + .irq_uninstall = NULL, + .irq_handler = xgi_kern_isr, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .ioctls = xgi_ioctls, + .dma_ioctl = NULL, + + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + .probe = probe, + .remove = __devexit_p(drm_cleanup_pci), + }, + + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, + +}; + +static int probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + return drm_get_dev(pdev, ent, &driver); +} + + +static int __init xgi_init(void) +{ + driver.num_ioctls = xgi_max_ioctl; + return drm_init(&driver, pciidlist); +} + +static void __exit xgi_exit(void) +{ + drm_exit(&driver); +} + +module_init(xgi_init); +module_exit(xgi_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL and additional rights"); + + +void xgi_kern_isr_bh(struct drm_device *dev); + +int xgi_bootstrap(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + struct xgi_info *info = dev->dev_private; + struct xgi_bootstrap bs; + struct drm_map_list *maplist; + int err; + + + DRM_COPY_FROM_USER_IOCTL(bs, (struct xgi_bootstrap __user *) data, + sizeof(bs)); + + if (info->mmio_map == NULL) { + err = drm_addmap(dev, info->mmio.base, info->mmio.size, + _DRM_REGISTERS, _DRM_KERNEL, + &info->mmio_map); + if (err) { + DRM_ERROR("Unable to map MMIO region: %d\n", err); + return err; + } + + xgi_enable_mmio(info); + } + + + info->fb.size = IN3CFB(info->mmio_map, 0x54) * 8 * 1024 * 1024; + + DRM_INFO("fb base: 0x%lx, size: 0x%x (probed)\n", + (unsigned long) info->fb.base, info->fb.size); + + + if ((info->fb.base == 0) || (info->fb.size == 0)) { + DRM_ERROR("framebuffer appears to be wrong: 0x%lx 0x%x\n", + (unsigned long) info->fb.base, info->fb.size); + return DRM_ERR(EINVAL); + } + + + /* Init the resource manager */ + if (!info->fb_heap.initialized) { + err = xgi_fb_heap_init(info); + if (err) { + DRM_ERROR("Unable to initialize FB heap.\n"); + return err; + } + } + + + info->pcie.size = bs.gart.size; + + /* Init the resource manager */ + if (!info->pcie_heap.initialized) { + err = xgi_pcie_heap_init(info); + if (err) { + DRM_ERROR("Unable to initialize GART heap.\n"); + return err; + } + + /* Alloc 1M bytes for cmdbuffer which is flush2D batch array */ + err = xgi_cmdlist_initialize(info, 0x100000); + if (err) { + DRM_ERROR("xgi_cmdlist_initialize() failed\n"); + return err; + } + } + + + if (info->pcie_map == NULL) { + err = drm_addmap(info->dev, 0, info->pcie.size, + _DRM_SCATTER_GATHER, _DRM_LOCKED, + & info->pcie_map); + if (err) { + DRM_ERROR("Could not add map for GART backing " + "store.\n"); + return err; + } + } + + + maplist = drm_find_matching_map(dev, info->pcie_map); + if (maplist == NULL) { + DRM_ERROR("Could not find GART backing store map.\n"); + return DRM_ERR(EINVAL); + } + + bs.gart = *info->pcie_map; + bs.gart.handle = (void *)(unsigned long) maplist->user_token; + DRM_COPY_TO_USER_IOCTL((struct xgi_bootstrap __user *) data, + bs, sizeof(bs)); + + return 0; +} + + +void xgi_driver_preclose(struct drm_device * dev, DRMFILE filp) +{ + struct xgi_info * info = dev->dev_private; + + xgi_pcie_free_all(info, filp); + xgi_fb_free_all(info, filp); +} + + +void xgi_driver_lastclose(drm_device_t * dev) +{ + struct xgi_info * info = dev->dev_private; + + if (info != NULL) { + /* The core DRM lastclose routine will destroy all of our + * mappings for us. NULL out the pointers here so that + * xgi_bootstrap can do the right thing. + */ + info->pcie_map = NULL; + info->mmio_map = NULL; + info->fb_map = NULL; + + xgi_cmdlist_cleanup(info); + + if (info->fb_heap.initialized) { + xgi_mem_heap_cleanup(&info->fb_heap); + } + + if (info->pcie_heap.initialized) { + xgi_mem_heap_cleanup(&info->pcie_heap); + xgi_pcie_lut_cleanup(info); + } + } +} + + +/* + * driver receives an interrupt if someone waiting, then hand it off. + */ +irqreturn_t xgi_kern_isr(DRM_IRQ_ARGS) +{ + struct drm_device *dev = (struct drm_device *) arg; +// struct xgi_info *info = dev->dev_private; + u32 need_to_run_bottom_half = 0; + + //DRM_INFO("xgi_kern_isr \n"); + + //xgi_dvi_irq_handler(info); + + if (need_to_run_bottom_half) { + drm_locked_tasklet(dev, xgi_kern_isr_bh); + } + + return IRQ_HANDLED; +} + +void xgi_kern_isr_bh(struct drm_device *dev) +{ + struct xgi_info *info = dev->dev_private; + + DRM_INFO("xgi_kern_isr_bh \n"); + + //xgi_dvi_irq_handler(info); +} + +int xgi_driver_load(struct drm_device *dev, unsigned long flags) +{ + struct xgi_info *info = drm_alloc(sizeof(*info), DRM_MEM_DRIVER); + + if (!info) + return DRM_ERR(ENOMEM); + + (void) memset(info, 0, sizeof(*info)); + dev->dev_private = info; + info->dev = dev; + + sema_init(&info->fb_sem, 1); + sema_init(&info->pcie_sem, 1); + + info->mmio.base = drm_get_resource_start(dev, 1); + info->mmio.size = drm_get_resource_len(dev, 1); + + DRM_INFO("mmio base: 0x%lx, size: 0x%x\n", + (unsigned long) info->mmio.base, info->mmio.size); + + + if ((info->mmio.base == 0) || (info->mmio.size == 0)) { + DRM_ERROR("mmio appears to be wrong: 0x%lx 0x%x\n", + (unsigned long) info->mmio.base, info->mmio.size); + return DRM_ERR(EINVAL); + } + + + info->fb.base = drm_get_resource_start(dev, 0); + info->fb.size = drm_get_resource_len(dev, 0); + + DRM_INFO("fb base: 0x%lx, size: 0x%x\n", + (unsigned long) info->fb.base, info->fb.size); + + + xgi_mem_block_cache = kmem_cache_create("xgi_mem_block", + sizeof(struct xgi_mem_block), + 0, + SLAB_HWCACHE_ALIGN, + NULL, NULL); + if (xgi_mem_block_cache == NULL) { + return DRM_ERR(ENOMEM); + } + + + return 0; +} + +int xgi_driver_unload(struct drm_device *dev) +{ + struct xgi_info * info = dev->dev_private; + + if (xgi_mem_block_cache) { + kmem_cache_destroy(xgi_mem_block_cache); + xgi_mem_block_cache = NULL; + } + + drm_free(info, sizeof(*info), DRM_MEM_DRIVER); + dev->dev_private = NULL; + + return 0; +} diff --git a/linux-core/xgi_drv.h b/linux-core/xgi_drv.h new file mode 100644 index 00000000..2061189a --- /dev/null +++ b/linux-core/xgi_drv.h @@ -0,0 +1,152 @@ +/**************************************************************************** + * Copyright (C) 2003-2006 by XGI Technology, Taiwan. + * + * 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 on 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * XGI 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. + ***************************************************************************/ + +#ifndef _XGI_DRV_H_ +#define _XGI_DRV_H_ + +#include "drmP.h" +#include "drm.h" + +#define DRIVER_AUTHOR "Andrea Zhang <andrea_zhang@macrosynergy.com>" + +#define DRIVER_NAME "xgi" +#define DRIVER_DESC "XGI XP5 / XP10 / XG47" +#define DRIVER_DATE "20070723" + +#define DRIVER_MAJOR 0 +#define DRIVER_MINOR 10 +#define DRIVER_PATCHLEVEL 0 + +#include "xgi_cmdlist.h" +#include "xgi_drm.h" + +struct xgi_aperture { + dma_addr_t base; + unsigned int size; +}; + +struct xgi_mem_block { + struct list_head list; + unsigned long offset; + unsigned long size; + DRMFILE filp; + + unsigned int owner; +}; + +struct xgi_mem_heap { + struct list_head free_list; + struct list_head used_list; + struct list_head sort_list; + unsigned long max_freesize; + + bool initialized; +}; + +struct xgi_info { + struct drm_device *dev; + + bool bootstrap_done; + + /* physical characteristics */ + struct xgi_aperture mmio; + struct xgi_aperture fb; + struct xgi_aperture pcie; + + struct drm_map *mmio_map; + struct drm_map *pcie_map; + struct drm_map *fb_map; + + /* look up table parameters */ + struct drm_dma_handle *lut_handle; + unsigned int lutPageSize; + + struct xgi_mem_heap fb_heap; + struct xgi_mem_heap pcie_heap; + + struct semaphore fb_sem; + struct semaphore pcie_sem; + + struct xgi_cmdring_info cmdring; +}; + +enum PcieOwner { + PCIE_2D = 0, + /* + PCIE_3D should not begin with 1, + 2D alloc pcie memory will use owner 1. + */ + PCIE_3D = 11, /*vetex buf */ + PCIE_3D_CMDLIST = 12, + PCIE_3D_SCRATCHPAD = 13, + PCIE_3D_TEXTURE = 14, + PCIE_INVALID = 0x7fffffff +}; + + +extern struct kmem_cache *xgi_mem_block_cache; +extern struct xgi_mem_block *xgi_mem_alloc(struct xgi_mem_heap * heap, + unsigned long size, enum PcieOwner owner); +extern int xgi_mem_free(struct xgi_mem_heap * heap, unsigned long offset, + DRMFILE filp); +extern int xgi_mem_heap_init(struct xgi_mem_heap * heap, unsigned int start, + unsigned int end); +extern void xgi_mem_heap_cleanup(struct xgi_mem_heap * heap); + +extern int xgi_fb_heap_init(struct xgi_info * info); + +extern int xgi_fb_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc, + DRMFILE filp); + +extern int xgi_fb_free(struct xgi_info * info, unsigned long offset, + DRMFILE filp); + +extern int xgi_pcie_heap_init(struct xgi_info * info); +extern void xgi_pcie_lut_cleanup(struct xgi_info * info); + +extern int xgi_pcie_alloc(struct xgi_info * info, + struct xgi_mem_alloc * alloc, DRMFILE filp); + +extern int xgi_pcie_free(struct xgi_info * info, unsigned long offset, + DRMFILE filp); + +extern void *xgi_find_pcie_virt(struct xgi_info * info, u32 address); + +extern void xgi_pcie_free_all(struct xgi_info *, DRMFILE); +extern void xgi_fb_free_all(struct xgi_info *, DRMFILE); + +extern int xgi_fb_alloc_ioctl(DRM_IOCTL_ARGS); +extern int xgi_fb_free_ioctl(DRM_IOCTL_ARGS); +extern int xgi_pcie_alloc_ioctl(DRM_IOCTL_ARGS); +extern int xgi_pcie_free_ioctl(DRM_IOCTL_ARGS); +extern int xgi_ge_reset_ioctl(DRM_IOCTL_ARGS); +extern int xgi_dump_register_ioctl(DRM_IOCTL_ARGS); +extern int xgi_restore_registers_ioctl(DRM_IOCTL_ARGS); +extern int xgi_submit_cmdlist_ioctl(DRM_IOCTL_ARGS); +extern int xgi_test_rwinkernel_ioctl(DRM_IOCTL_ARGS); +extern int xgi_state_change_ioctl(DRM_IOCTL_ARGS); + +#endif diff --git a/linux-core/xgi_fb.c b/linux-core/xgi_fb.c new file mode 100644 index 00000000..3d3b2ae0 --- /dev/null +++ b/linux-core/xgi_fb.c @@ -0,0 +1,370 @@ +/**************************************************************************** + * Copyright (C) 2003-2006 by XGI Technology, Taiwan. + * + * 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 on 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * XGI 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 "xgi_drv.h" + +#define XGI_FB_HEAP_START 0x1000000 + +struct kmem_cache *xgi_mem_block_cache = NULL; + +static struct xgi_mem_block *xgi_mem_new_node(void); + + +int xgi_mem_heap_init(struct xgi_mem_heap *heap, unsigned int start, + unsigned int end) +{ + struct xgi_mem_block *block; + + INIT_LIST_HEAD(&heap->free_list); + INIT_LIST_HEAD(&heap->used_list); + INIT_LIST_HEAD(&heap->sort_list); + heap->initialized = TRUE; + + block = kmem_cache_alloc(xgi_mem_block_cache, GFP_KERNEL); + if (!block) { + return DRM_ERR(ENOMEM); + } + + block->offset = start; + block->size = end - start; + + list_add(&block->list, &heap->free_list); + + heap->max_freesize = end - start; + + return 0; +} + + +void xgi_mem_heap_cleanup(struct xgi_mem_heap * heap) +{ + struct list_head *free_list; + struct xgi_mem_block *block; + struct xgi_mem_block *next; + int i; + + free_list = &heap->free_list; + for (i = 0; i < 3; i++, free_list++) { + list_for_each_entry_safe(block, next, free_list, list) { + DRM_INFO + ("No. %d block->offset: 0x%lx block->size: 0x%lx \n", + i, block->offset, block->size); + kmem_cache_free(xgi_mem_block_cache, block); + block = NULL; + } + } + + heap->initialized = 0; +} + + +struct xgi_mem_block *xgi_mem_new_node(void) +{ + struct xgi_mem_block *block = + kmem_cache_alloc(xgi_mem_block_cache, GFP_KERNEL); + + if (!block) { + DRM_ERROR("kmem_cache_alloc failed\n"); + return NULL; + } + + block->offset = 0; + block->size = 0; + block->owner = PCIE_INVALID; + block->filp = (DRMFILE) -1; + + return block; +} + + +struct xgi_mem_block *xgi_mem_alloc(struct xgi_mem_heap * heap, + unsigned long originalSize, + enum PcieOwner owner) +{ + struct xgi_mem_block *block, *free_block, *used_block; + unsigned long size = (originalSize + PAGE_SIZE - 1) & PAGE_MASK; + + + DRM_INFO("Original 0x%lx bytes requested, really 0x%lx allocated\n", + originalSize, size); + + if (size == 0) { + DRM_ERROR("size == 0\n"); + return (NULL); + } + DRM_INFO("max_freesize: 0x%lx \n", heap->max_freesize); + if (size > heap->max_freesize) { + DRM_ERROR + ("size: 0x%lx is bigger than frame buffer total free size: 0x%lx !\n", + size, heap->max_freesize); + return (NULL); + } + + list_for_each_entry(block, &heap->free_list, list) { + DRM_INFO("block: 0x%px \n", block); + if (size <= block->size) { + break; + } + } + + if (&block->list == &heap->free_list) { + DRM_ERROR + ("Can't allocate %ldk size from frame buffer memory !\n", + size / 1024); + return (NULL); + } + + free_block = block; + DRM_INFO("alloc size: 0x%lx from offset: 0x%lx size: 0x%lx \n", + size, free_block->offset, free_block->size); + + if (size == free_block->size) { + used_block = free_block; + DRM_INFO("size == free_block->size: free_block = 0x%p\n", + free_block); + list_del(&free_block->list); + } else { + used_block = xgi_mem_new_node(); + + if (used_block == NULL) + return (NULL); + + if (used_block == free_block) { + DRM_ERROR("used_block == free_block = 0x%p\n", + used_block); + } + + used_block->offset = free_block->offset; + used_block->size = size; + + free_block->offset += size; + free_block->size -= size; + } + + heap->max_freesize -= size; + + list_add(&used_block->list, &heap->used_list); + used_block->owner = owner; + + return (used_block); +} + +int xgi_mem_free(struct xgi_mem_heap * heap, unsigned long offset, + DRMFILE filp) +{ + struct xgi_mem_block *used_block = NULL, *block; + struct xgi_mem_block *prev, *next; + + unsigned long upper; + unsigned long lower; + + list_for_each_entry(block, &heap->used_list, list) { + if (block->offset == offset) { + break; + } + } + + if (&block->list == &heap->used_list) { + DRM_ERROR("can't find block: 0x%lx to free!\n", offset); + return DRM_ERR(ENOENT); + } + + if (block->filp != filp) { + return DRM_ERR(EPERM); + } + + used_block = block; + DRM_INFO("used_block: 0x%p, offset = 0x%lx, size = 0x%lx\n", + used_block, used_block->offset, used_block->size); + + heap->max_freesize += used_block->size; + + prev = next = NULL; + upper = used_block->offset + used_block->size; + lower = used_block->offset; + + list_for_each_entry(block, &heap->free_list, list) { + if (block->offset == upper) { + next = block; + } else if ((block->offset + block->size) == lower) { + prev = block; + } + } + + DRM_INFO("next = 0x%p, prev = 0x%p\n", next, prev); + list_del(&used_block->list); + + if (prev && next) { + prev->size += (used_block->size + next->size); + list_del(&next->list); + DRM_INFO("free node 0x%p\n", next); + kmem_cache_free(xgi_mem_block_cache, next); + kmem_cache_free(xgi_mem_block_cache, used_block); + } + else if (prev) { + prev->size += used_block->size; + DRM_INFO("free node 0x%p\n", used_block); + kmem_cache_free(xgi_mem_block_cache, used_block); + } + else if (next) { + next->size += used_block->size; + next->offset = used_block->offset; + DRM_INFO("free node 0x%p\n", used_block); + kmem_cache_free(xgi_mem_block_cache, used_block); + } + else { + list_add(&used_block->list, &heap->free_list); + DRM_INFO("Recycled free node %p, offset = 0x%lx, size = 0x%lx\n", + used_block, used_block->offset, used_block->size); + } + + return 0; +} + + +int xgi_fb_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc, + DRMFILE filp) +{ + struct xgi_mem_block *block; + + if (alloc->is_front) { + alloc->location = XGI_MEMLOC_LOCAL; + alloc->offset = 0; + alloc->hw_addr = 0; + DRM_INFO + ("Video RAM allocation on front buffer successfully! \n"); + } else { + down(&info->fb_sem); + block = xgi_mem_alloc(&info->fb_heap, alloc->size, PCIE_2D); + up(&info->fb_sem); + + if (block == NULL) { + alloc->location = XGI_MEMLOC_LOCAL; + alloc->size = 0; + DRM_ERROR("Video RAM allocation failed\n"); + return DRM_ERR(ENOMEM); + } else { + DRM_INFO("Video RAM allocation succeeded: 0x%p\n", + (char *)block->offset); + alloc->location = XGI_MEMLOC_LOCAL; + alloc->size = block->size; + alloc->offset = block->offset; + alloc->hw_addr = block->offset; + + block->filp = filp; + } + } + + return 0; +} + + +int xgi_fb_alloc_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + struct xgi_mem_alloc alloc; + struct xgi_info *info = dev->dev_private; + int err; + + DRM_COPY_FROM_USER_IOCTL(alloc, (struct xgi_mem_alloc __user *) data, + sizeof(alloc)); + + err = xgi_fb_alloc(info, & alloc, filp); + if (err) { + return err; + } + + DRM_COPY_TO_USER_IOCTL((struct xgi_mem_alloc __user *) data, + alloc, sizeof(alloc)); + + return 0; +} + + +int xgi_fb_free(struct xgi_info * info, unsigned long offset, DRMFILE filp) +{ + int err = 0; + + if (offset == 0) { + DRM_INFO("free onscreen frame buffer successfully !\n"); + } else { + down(&info->fb_sem); + err = xgi_mem_free(&info->fb_heap, offset, filp); + up(&info->fb_sem); + } + + return err; +} + + +int xgi_fb_free_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + struct xgi_info *info = dev->dev_private; + u32 offset; + + DRM_COPY_FROM_USER_IOCTL(offset, (unsigned long __user *) data, + sizeof(offset)); + + return xgi_fb_free(info, offset, filp); +} + + +int xgi_fb_heap_init(struct xgi_info * info) +{ + return xgi_mem_heap_init(&info->fb_heap, XGI_FB_HEAP_START, + info->fb.size); +} + +/** + * Free all blocks associated with a particular file handle. + */ +void xgi_fb_free_all(struct xgi_info * info, DRMFILE filp) +{ + if (!info->fb_heap.initialized) { + return; + } + + down(&info->fb_sem); + + do { + struct xgi_mem_block *block; + + list_for_each_entry(block, &info->fb_heap.used_list, list) { + if (block->filp == filp) { + break; + } + } + + if (&block->list == &info->fb_heap.used_list) { + break; + } + + (void) xgi_mem_free(&info->fb_heap, block->offset, filp); + } while(1); + + up(&info->fb_sem); +} diff --git a/linux-core/xgi_misc.c b/linux-core/xgi_misc.c new file mode 100644 index 00000000..5e8c3da8 --- /dev/null +++ b/linux-core/xgi_misc.c @@ -0,0 +1,474 @@ +/**************************************************************************** + * Copyright (C) 2003-2006 by XGI Technology, Taiwan. + * + * 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 on 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * XGI 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 "xgi_drv.h" +#include "xgi_regs.h" + +int xgi_ge_reset_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + struct xgi_info *info = dev->dev_private; + + xgi_disable_ge(info); + xgi_enable_ge(info); + + return 0; +} + + +/* + * irq functions + */ +#define STALL_INTERRUPT_RESET_THRESHOLD 0xffff + +static unsigned int s_invalid_begin = 0; + +static bool xgi_validate_signal(volatile u8 *mmio_vbase) +{ + volatile u32 *const ge_3d_status = + (volatile u32 *)(mmio_vbase + 0x2800); + const u32 old_ge_status = ge_3d_status[0x00]; + + if (old_ge_status & 0x001c0000) { + u16 check; + + /* Check Read back status */ + *(mmio_vbase + 0x235c) = 0x80; + check = *((volatile u16 *)(mmio_vbase + 0x2360)); + + if ((check & 0x3f) != ((check & 0x3f00) >> 8)) { + return FALSE; + } + + /* Check RO channel */ + *(mmio_vbase + 0x235c) = 0x83; + check = *((volatile u16 *)(mmio_vbase + 0x2360)); + if ((check & 0x0f) != ((check & 0xf0) >> 4)) { + return FALSE; + } + + /* Check RW channel */ + *(mmio_vbase + 0x235c) = 0x88; + check = *((volatile u16 *)(mmio_vbase + 0x2360)); + if ((check & 0x0f) != ((check & 0xf0) >> 4)) { + return FALSE; + } + + /* Check RO channel outstanding */ + *(mmio_vbase + 0x235c) = 0x8f; + check = *((volatile u16 *)(mmio_vbase + 0x2360)); + if (0 != (check & 0x3ff)) { + return FALSE; + } + + /* Check RW channel outstanding */ + *(mmio_vbase + 0x235c) = 0x90; + check = *((volatile u16 *)(mmio_vbase + 0x2360)); + if (0 != (check & 0x3ff)) { + return FALSE; + } + + /* No pending PCIE request. GE stall. */ + } + + return TRUE; +} + + +static void xgi_ge_hang_reset(volatile u8 *mmio_vbase) +{ + volatile u32 *const ge_3d_status = + (volatile u32 *)(mmio_vbase + 0x2800); + int time_out = 0xffff; + + *(mmio_vbase + 0xb057) = 8; + while (0 != (ge_3d_status[0x00] & 0xf0000000)) { + while (0 != ((--time_out) & 0xfff)) + /* empty */ ; + + if (0 == time_out) { + u8 old_3ce; + u8 old_3cf; + u8 old_index; + u8 old_36; + + DRM_INFO("Can not reset back 0x%x!\n", + ge_3d_status[0x00]); + + *(mmio_vbase + 0xb057) = 0; + + /* Have to use 3x5.36 to reset. */ + /* Save and close dynamic gating */ + + old_3ce = *(mmio_vbase + 0x3ce); + *(mmio_vbase + 0x3ce) = 0x2a; + old_3cf = *(mmio_vbase + 0x3cf); + *(mmio_vbase + 0x3cf) = old_3cf & 0xfe; + + /* Reset GE */ + old_index = *(mmio_vbase + 0x3d4); + *(mmio_vbase + 0x3d4) = 0x36; + old_36 = *(mmio_vbase + 0x3d5); + *(mmio_vbase + 0x3d5) = old_36 | 0x10; + + while (0 != ((--time_out) & 0xfff)) + /* empty */ ; + + *(mmio_vbase + 0x3d5) = old_36; + *(mmio_vbase + 0x3d4) = old_index; + + /* Restore dynamic gating */ + *(mmio_vbase + 0x3cf) = old_3cf; + *(mmio_vbase + 0x3ce) = old_3ce; + break; + } + } + + *(mmio_vbase + 0xb057) = 0; +} + + +bool xgi_ge_irq_handler(struct xgi_info * info) +{ + volatile u8 *const mmio_vbase = info->mmio_map->handle; + volatile u32 *const ge_3d_status = + (volatile u32 *)(mmio_vbase + 0x2800); + const u32 int_status = ge_3d_status[4]; + bool is_support_auto_reset = FALSE; + + /* Check GE on/off */ + if (0 == (0xffffc0f0 & int_status)) { + u32 old_pcie_cmd_fetch_Addr = ge_3d_status[0x0a]; + + if (0 != (0x1000 & int_status)) { + /* We got GE stall interrupt. + */ + ge_3d_status[0x04] = int_status | 0x04000000; + + if (is_support_auto_reset) { + static cycles_t last_tick; + static unsigned continue_int_count = 0; + + /* OE II is busy. */ + + if (!xgi_validate_signal(mmio_vbase)) { + /* Nothing but skip. */ + } else if (0 == continue_int_count++) { + last_tick = get_cycles(); + } else { + const cycles_t new_tick = get_cycles(); + if ((new_tick - last_tick) > + STALL_INTERRUPT_RESET_THRESHOLD) { + continue_int_count = 0; + } else if (continue_int_count >= 3) { + continue_int_count = 0; + + /* GE Hung up, need reset. */ + DRM_INFO("Reset GE!\n"); + + xgi_ge_hang_reset(mmio_vbase); + } + } + } + } else if (0 != (0x1 & int_status)) { + s_invalid_begin++; + ge_3d_status[0x04] = (int_status & ~0x01) | 0x04000000; + } + + return TRUE; + } + + return FALSE; +} + +bool xgi_crt_irq_handler(struct xgi_info * info) +{ + bool ret = FALSE; + u8 save_3ce = DRM_READ8(info->mmio_map, 0x3ce); + + if (IN3CFB(info->mmio_map, 0x37) & 0x01) // CRT1 interrupt just happened + { + u8 op3cf_3d; + u8 op3cf_37; + + // What happened? + op3cf_37 = IN3CFB(info->mmio_map, 0x37); + + // Clear CRT interrupt + op3cf_3d = IN3CFB(info->mmio_map, 0x3d); + OUT3CFB(info->mmio_map, 0x3d, (op3cf_3d | 0x04)); + OUT3CFB(info->mmio_map, 0x3d, (op3cf_3d & ~0x04)); + ret = TRUE; + } + DRM_WRITE8(info->mmio_map, 0x3ce, save_3ce); + + return (ret); +} + +bool xgi_dvi_irq_handler(struct xgi_info * info) +{ + bool ret = FALSE; + const u8 save_3ce = DRM_READ8(info->mmio_map, 0x3ce); + + if (IN3CFB(info->mmio_map, 0x38) & 0x20) { // DVI interrupt just happened + const u8 save_3x4 = DRM_READ8(info->mmio_map, 0x3d4); + u8 op3cf_39; + u8 op3cf_37; + u8 op3x5_5a; + + // What happened? + op3cf_37 = IN3CFB(info->mmio_map, 0x37); + + //Notify BIOS that DVI plug/unplug happened + op3x5_5a = IN3X5B(info->mmio_map, 0x5a); + OUT3X5B(info->mmio_map, 0x5a, op3x5_5a & 0xf7); + + DRM_WRITE8(info->mmio_map, 0x3d4, save_3x4); + + // Clear DVI interrupt + op3cf_39 = IN3CFB(info->mmio_map, 0x39); + OUT3C5B(info->mmio_map, 0x39, (op3cf_39 & ~0x01)); //Set 3cf.39 bit 0 to 0 + OUT3C5B(info->mmio_map, 0x39, (op3cf_39 | 0x01)); //Set 3cf.39 bit 0 to 1 + + ret = TRUE; + } + DRM_WRITE8(info->mmio_map, 0x3ce, save_3ce); + + return (ret); +} + + +void xgi_dump_register(struct xgi_info * info) +{ + int i, j; + unsigned char temp; + + // 0x3C5 + printk("\r\n=====xgi_dump_register========0x%x===============\r\n", + 0x3C5); + + for (i = 0; i < 0x10; i++) { + if (i == 0) { + printk("%5x", i); + } else { + printk("%3x", i); + } + } + printk("\r\n"); + + for (i = 0; i < 0x10; i++) { + printk("%1x ", i); + + for (j = 0; j < 0x10; j++) { + temp = IN3C5B(info->mmio_map, i * 0x10 + j); + printk("%3x", temp); + } + printk("\r\n"); + } + + // 0x3D5 + printk("\r\n====xgi_dump_register=========0x%x===============\r\n", + 0x3D5); + for (i = 0; i < 0x10; i++) { + if (i == 0) { + printk("%5x", i); + } else { + printk("%3x", i); + } + } + printk("\r\n"); + + for (i = 0; i < 0x10; i++) { + printk("%1x ", i); + + for (j = 0; j < 0x10; j++) { + temp = IN3X5B(info->mmio_map, i * 0x10 + j); + printk("%3x", temp); + } + printk("\r\n"); + } + + // 0x3CF + printk("\r\n=========xgi_dump_register====0x%x===============\r\n", + 0x3CF); + for (i = 0; i < 0x10; i++) { + if (i == 0) { + printk("%5x", i); + } else { + printk("%3x", i); + } + } + printk("\r\n"); + + for (i = 0; i < 0x10; i++) { + printk("%1x ", i); + + for (j = 0; j < 0x10; j++) { + temp = IN3CFB(info->mmio_map, i * 0x10 + j); + printk("%3x", temp); + } + printk("\r\n"); + } + + printk("\r\n=====xgi_dump_register======0x%x===============\r\n", + 0xB000); + for (i = 0; i < 0x10; i++) { + if (i == 0) { + printk("%5x", i); + } else { + printk("%3x", i); + } + } + printk("\r\n"); + + for (i = 0; i < 0x5; i++) { + printk("%1x ", i); + + for (j = 0; j < 0x10; j++) { + temp = DRM_READ8(info->mmio_map, 0xB000 + i * 0x10 + j); + printk("%3x", temp); + } + printk("\r\n"); + } + + printk("\r\n==================0x%x===============\r\n", 0x2200); + for (i = 0; i < 0x10; i++) { + if (i == 0) { + printk("%5x", i); + } else { + printk("%3x", i); + } + } + printk("\r\n"); + + for (i = 0; i < 0xB; i++) { + printk("%1x ", i); + + for (j = 0; j < 0x10; j++) { + temp = DRM_READ8(info->mmio_map, 0x2200 + i * 0x10 + j); + printk("%3x", temp); + } + printk("\r\n"); + } + + printk("\r\n==================0x%x===============\r\n", 0x2300); + for (i = 0; i < 0x10; i++) { + if (i == 0) { + printk("%5x", i); + } else { + printk("%3x", i); + } + } + printk("\r\n"); + + for (i = 0; i < 0x7; i++) { + printk("%1x ", i); + + for (j = 0; j < 0x10; j++) { + temp = DRM_READ8(info->mmio_map, 0x2300 + i * 0x10 + j); + printk("%3x", temp); + } + printk("\r\n"); + } + + printk("\r\n==================0x%x===============\r\n", 0x2400); + for (i = 0; i < 0x10; i++) { + if (i == 0) { + printk("%5x", i); + } else { + printk("%3x", i); + } + } + printk("\r\n"); + + for (i = 0; i < 0x10; i++) { + printk("%1x ", i); + + for (j = 0; j < 0x10; j++) { + temp = DRM_READ8(info->mmio_map, 0x2400 + i * 0x10 + j); + printk("%3x", temp); + } + printk("\r\n"); + } + + printk("\r\n==================0x%x===============\r\n", 0x2800); + for (i = 0; i < 0x10; i++) { + if (i == 0) { + printk("%5x", i); + } else { + printk("%3x", i); + } + } + printk("\r\n"); + + for (i = 0; i < 0x10; i++) { + printk("%1x ", i); + + for (j = 0; j < 0x10; j++) { + temp = DRM_READ8(info->mmio_map, 0x2800 + i * 0x10 + j); + printk("%3x", temp); + } + printk("\r\n"); + } +} + + +int xgi_dump_register_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + struct xgi_info *info = dev->dev_private; + + xgi_dump_register(info); + + return 0; +} + + +int xgi_restore_registers_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + struct xgi_info *info = dev->dev_private; + + OUT3X5B(info->mmio_map, 0x13, 0); + OUT3X5B(info->mmio_map, 0x8b, 2); + + return 0; +} + +void xgi_waitfor_pci_idle(struct xgi_info * info) +{ +#define WHOLD_GE_STATUS 0x2800 +#define IDLE_MASK ~0x90200000 + + int idleCount = 0; + while (idleCount < 5) { + if (DRM_READ32(info->mmio_map, WHOLD_GE_STATUS) & IDLE_MASK) { + idleCount = 0; + } else { + idleCount++; + } + } +} diff --git a/linux-core/xgi_misc.h b/linux-core/xgi_misc.h new file mode 100644 index 00000000..af19a11a --- /dev/null +++ b/linux-core/xgi_misc.h @@ -0,0 +1,37 @@ +/**************************************************************************** + * Copyright (C) 2003-2006 by XGI Technology, Taiwan. + * + * 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 on 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * XGI 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. + ***************************************************************************/ + +#ifndef _XGI_MISC_H_ +#define _XGI_MISC_H_ + +extern void xgi_dump_register(struct xgi_info * info); + +extern bool xgi_ge_irq_handler(struct xgi_info * info); +extern bool xgi_crt_irq_handler(struct xgi_info * info); +extern bool xgi_dvi_irq_handler(struct xgi_info * info); +extern void xgi_waitfor_pci_idle(struct xgi_info * info); + +#endif diff --git a/linux-core/xgi_pcie.c b/linux-core/xgi_pcie.c new file mode 100644 index 00000000..537e82f5 --- /dev/null +++ b/linux-core/xgi_pcie.c @@ -0,0 +1,348 @@ +/**************************************************************************** + * Copyright (C) 2003-2006 by XGI Technology, Taiwan. + * + * 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 on 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * XGI 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 "xgi_drv.h" +#include "xgi_regs.h" +#include "xgi_misc.h" + +static struct xgi_mem_block *xgi_pcie_vertex_block = NULL; +static struct xgi_mem_block *xgi_pcie_cmdlist_block = NULL; +static struct xgi_mem_block *xgi_pcie_scratchpad_block = NULL; + +static int xgi_pcie_free_locked(struct xgi_info * info, + unsigned long offset, DRMFILE filp); + +static int xgi_pcie_lut_init(struct xgi_info * info) +{ + u8 temp = 0; + int err; + unsigned i; + struct drm_scatter_gather request; + struct drm_sg_mem *sg; + u32 *lut; + + + /* Get current FB aperture size */ + temp = IN3X5B(info->mmio_map, 0x27); + DRM_INFO("In3x5(0x27): 0x%x \n", temp); + + if (temp & 0x01) { /* 256MB; Jong 06/05/2006; 0x10000000 */ + info->pcie.base = 256 * 1024 * 1024; + } else { /* 128MB; Jong 06/05/2006; 0x08000000 */ + info->pcie.base = 128 * 1024 * 1024; + } + + + DRM_INFO("info->pcie.base: 0x%lx\n", (unsigned long) info->pcie.base); + + /* Get current lookup table page size */ + temp = DRM_READ8(info->mmio_map, 0xB00C); + if (temp & 0x04) { /* 8KB */ + info->lutPageSize = 8 * 1024; + } else { /* 4KB */ + info->lutPageSize = 4 * 1024; + } + + DRM_INFO("info->lutPageSize: 0x%x \n", info->lutPageSize); + + + request.size = info->pcie.size; + err = drm_sg_alloc(info->dev, & request); + if (err) { + DRM_ERROR("cannot allocate PCIE GART backing store! " + "size = %d\n", info->pcie.size); + return err; + } + + sg = info->dev->sg; + + info->lut_handle = drm_pci_alloc(info->dev, + sizeof(u32) * sg->pages, + PAGE_SIZE, + DMA_31BIT_MASK); + if (info->lut_handle == NULL) { + DRM_ERROR("cannot allocate PCIE lut page!\n"); + return DRM_ERR(ENOMEM); + } + + lut = info->lut_handle->vaddr; + for (i = 0; i < sg->pages; i++) { + info->dev->sg->busaddr[i] = pci_map_page(info->dev->pdev, + sg->pagelist[i], + 0, + PAGE_SIZE, + DMA_BIDIRECTIONAL); + if (dma_mapping_error(info->dev->sg->busaddr[i])) { + DRM_ERROR("cannot map GART backing store for DMA!\n"); + return DRM_ERR(-(info->dev->sg->busaddr[i])); + } + + lut[i] = info->dev->sg->busaddr[i]; + } + +#if defined(__i386__) || defined(__x86_64__) + asm volatile ("wbinvd":::"memory"); +#else + mb(); +#endif + + /* Set GART in SFB */ + temp = DRM_READ8(info->mmio_map, 0xB00C); + DRM_WRITE8(info->mmio_map, 0xB00C, temp & ~0x02); + + /* Set GART base address to HW */ + dwWriteReg(info->mmio_map, 0xB034, info->lut_handle->busaddr); + + return 0; +} + +void xgi_pcie_lut_cleanup(struct xgi_info * info) +{ + if (info->dev->sg) { + drm_sg_free(info->dev, info->dev->sg->handle); + } + + if (info->lut_handle) { + drm_pci_free(info->dev, info->lut_handle); + info->lut_handle = NULL; + } +} + +int xgi_pcie_heap_init(struct xgi_info * info) +{ + int err; + + err = xgi_pcie_lut_init(info); + if (err) { + DRM_ERROR("xgi_pcie_lut_init failed\n"); + return err; + } + + + err = xgi_mem_heap_init(&info->pcie_heap, 0, info->pcie.size); + if (err) { + xgi_pcie_lut_cleanup(info); + } + + return err; +} + + +int xgi_pcie_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc, + DRMFILE filp) +{ + struct xgi_mem_block *block; + + down(&info->pcie_sem); + if ((alloc->owner == PCIE_3D) && (xgi_pcie_vertex_block)) { + DRM_INFO("PCIE Vertex has been created, return directly.\n"); + block = xgi_pcie_vertex_block; + } + else if ((alloc->owner == PCIE_3D_CMDLIST) && (xgi_pcie_cmdlist_block)) { + DRM_INFO("PCIE Cmdlist has been created, return directly.\n"); + block = xgi_pcie_cmdlist_block; + } + else if ((alloc->owner == PCIE_3D_SCRATCHPAD) && (xgi_pcie_scratchpad_block)) { + DRM_INFO("PCIE Scratchpad has been created, return directly.\n"); + block = xgi_pcie_scratchpad_block; + } + else { + block = xgi_mem_alloc(&info->pcie_heap, alloc->size, alloc->owner); + + if (alloc->owner == PCIE_3D) { + xgi_pcie_vertex_block = block; + } + else if (alloc->owner == PCIE_3D_CMDLIST) { + xgi_pcie_cmdlist_block = block; + } + else if (alloc->owner == PCIE_3D_SCRATCHPAD) { + xgi_pcie_scratchpad_block = block; + } + } + up(&info->pcie_sem); + + if (block == NULL) { + alloc->location = XGI_MEMLOC_INVALID; + alloc->size = 0; + DRM_ERROR("PCIE RAM allocation failed\n"); + return DRM_ERR(ENOMEM); + } else { + DRM_INFO("PCIE RAM allocation succeeded: offset = 0x%lx\n", + block->offset); + alloc->location = XGI_MEMLOC_NON_LOCAL; + alloc->size = block->size; + alloc->hw_addr = block->offset + info->pcie.base; + alloc->offset = block->offset; + + block->filp = filp; + return 0; + } +} + + +int xgi_pcie_alloc_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + struct xgi_mem_alloc alloc; + struct xgi_info *info = dev->dev_private; + int err; + + DRM_COPY_FROM_USER_IOCTL(alloc, (struct xgi_mem_alloc __user *) data, + sizeof(alloc)); + + err = xgi_pcie_alloc(info, & alloc, filp); + if (err) { + return err; + } + + DRM_COPY_TO_USER_IOCTL((struct xgi_mem_alloc __user *) data, + alloc, sizeof(alloc)); + + return 0; +} + + +/** + * Free all blocks associated with a particular file handle. + */ +void xgi_pcie_free_all(struct xgi_info * info, DRMFILE filp) +{ + if (!info->pcie_heap.initialized) { + return; + } + + down(&info->pcie_sem); + + do { + struct xgi_mem_block *block; + + list_for_each_entry(block, &info->pcie_heap.used_list, list) { + if (block->filp == filp) { + break; + } + } + + if (&block->list == &info->pcie_heap.used_list) { + break; + } + + (void) xgi_pcie_free_locked(info, block->offset, filp); + } while(1); + + up(&info->pcie_sem); +} + + +int xgi_pcie_free_locked(struct xgi_info * info, + unsigned long offset, DRMFILE filp) +{ + const bool isvertex = (xgi_pcie_vertex_block + && (xgi_pcie_vertex_block->offset == offset)); + int err = xgi_mem_free(&info->pcie_heap, offset, filp); + + if (!err && isvertex) + xgi_pcie_vertex_block = NULL; + + return err; +} + + +int xgi_pcie_free(struct xgi_info * info, unsigned long offset, DRMFILE filp) +{ + int err; + + down(&info->pcie_sem); + err = xgi_pcie_free_locked(info, offset, filp); + up(&info->pcie_sem); + + if (err) { + DRM_ERROR("xgi_pcie_free() failed at base 0x%lx\n", offset); + } + + return err; +} + + +int xgi_pcie_free_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + struct xgi_info *info = dev->dev_private; + u32 offset; + + DRM_COPY_FROM_USER_IOCTL(offset, (unsigned long __user *) data, + sizeof(offset)); + + return xgi_pcie_free(info, offset, filp); +} + + +/** + * xgi_find_pcie_virt + * @address: GE HW address + * + * Returns CPU virtual address. Assumes the CPU VAddr is continuous in not + * the same block + */ +void *xgi_find_pcie_virt(struct xgi_info * info, u32 address) +{ + const unsigned long offset = address - info->pcie.base; + + return ((u8 *) info->dev->sg->virtual) + offset; +} + +/* + address -- GE hw address +*/ +int xgi_test_rwinkernel_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + struct xgi_info *info = dev->dev_private; + u32 address; + u32 *virtaddr = 0; + + DRM_COPY_FROM_USER_IOCTL(address, (unsigned long __user *) data, + sizeof(address)); + + DRM_INFO("input GE HW addr is 0x%x\n", address); + + if (address == 0) { + return DRM_ERR(EFAULT); + } + + virtaddr = (u32 *)xgi_find_pcie_virt(info, address); + + DRM_INFO("convert to CPU virt addr 0x%p\n", virtaddr); + + if (virtaddr != NULL) { + DRM_INFO("original [virtaddr] = 0x%x\n", *virtaddr); + *virtaddr = 0x00f00fff; + DRM_INFO("modified [virtaddr] = 0x%x\n", *virtaddr); + } else { + return DRM_ERR(EFAULT); + } + + return 0; +} diff --git a/linux-core/xgi_regs.h b/linux-core/xgi_regs.h new file mode 100644 index 00000000..34268a56 --- /dev/null +++ b/linux-core/xgi_regs.h @@ -0,0 +1,216 @@ +/**************************************************************************** + * Copyright (C) 2003-2006 by XGI Technology, Taiwan. + * + * 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 on 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * XGI 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. + ***************************************************************************/ + +#ifndef _XGI_REGS_H_ +#define _XGI_REGS_H_ + +#include "drmP.h" +#include "drm.h" + + +/* Hardware access functions */ +static inline void OUT3C5B(struct drm_map * map, u8 index, u8 data) +{ + DRM_WRITE8(map, 0x3C4, index); + DRM_WRITE8(map, 0x3C5, data); +} + +static inline void OUT3X5B(struct drm_map * map, u8 index, u8 data) +{ + DRM_WRITE8(map, 0x3D4, index); + DRM_WRITE8(map, 0x3D5, data); +} + +static inline void OUT3CFB(struct drm_map * map, u8 index, u8 data) +{ + DRM_WRITE8(map, 0x3CE, index); + DRM_WRITE8(map, 0x3CF, data); +} + +static inline u8 IN3C5B(struct drm_map * map, u8 index) +{ + DRM_WRITE8(map, 0x3C4, index); + return DRM_READ8(map, 0x3C5); +} + +static inline u8 IN3X5B(struct drm_map * map, u8 index) +{ + DRM_WRITE8(map, 0x3D4, index); + return DRM_READ8(map, 0x3D5); +} + +static inline u8 IN3CFB(struct drm_map * map, u8 index) +{ + DRM_WRITE8(map, 0x3CE, index); + return DRM_READ8(map, 0x3CF); +} + + +/* + * Graphic engine register (2d/3d) acessing interface + */ +static inline void dwWriteReg(struct drm_map * map, u32 addr, u32 data) +{ +#ifdef XGI_MMIO_DEBUG + DRM_INFO("mmio_map->handle = 0x%p, addr = 0x%x, data = 0x%x\n", + map->handle, addr, data); +#endif + DRM_WRITE32(map, addr, data); +} + + +static inline void xgi_enable_mmio(struct xgi_info * info) +{ + u8 protect = 0; + u8 temp; + + /* Unprotect registers */ + DRM_WRITE8(info->mmio_map, 0x3C4, 0x11); + protect = DRM_READ8(info->mmio_map, 0x3C5); + DRM_WRITE8(info->mmio_map, 0x3C5, 0x92); + + DRM_WRITE8(info->mmio_map, 0x3D4, 0x3A); + temp = DRM_READ8(info->mmio_map, 0x3D5); + DRM_WRITE8(info->mmio_map, 0x3D5, temp | 0x20); + + /* Enable MMIO */ + DRM_WRITE8(info->mmio_map, 0x3D4, 0x39); + temp = DRM_READ8(info->mmio_map, 0x3D5); + DRM_WRITE8(info->mmio_map, 0x3D5, temp | 0x01); + + /* Protect registers */ + OUT3C5B(info->mmio_map, 0x11, protect); +} + +static inline void xgi_disable_mmio(struct xgi_info * info) +{ + u8 protect = 0; + u8 temp; + + /* Unprotect registers */ + DRM_WRITE8(info->mmio_map, 0x3C4, 0x11); + protect = DRM_READ8(info->mmio_map, 0x3C5); + DRM_WRITE8(info->mmio_map, 0x3C5, 0x92); + + /* Disable MMIO access */ + DRM_WRITE8(info->mmio_map, 0x3D4, 0x39); + temp = DRM_READ8(info->mmio_map, 0x3D5); + DRM_WRITE8(info->mmio_map, 0x3D5, temp & 0xFE); + + /* Protect registers */ + OUT3C5B(info->mmio_map, 0x11, protect); +} + +static inline void xgi_enable_ge(struct xgi_info * info) +{ + unsigned char bOld3cf2a = 0; + int wait = 0; + + // Enable GE + DRM_WRITE16(info->mmio_map, 0x3C4, 0x9211); + + // Save and close dynamic gating + bOld3cf2a = IN3CFB(info->mmio_map, 0x2a); + OUT3CFB(info->mmio_map, 0x2a, bOld3cf2a & 0xfe); + + // Reset both 3D and 2D engine + OUT3X5B(info->mmio_map, 0x36, 0x84); + wait = 10; + while (wait--) { + DRM_READ8(info->mmio_map, 0x36); + } + OUT3X5B(info->mmio_map, 0x36, 0x94); + wait = 10; + while (wait--) { + DRM_READ8(info->mmio_map, 0x36); + } + OUT3X5B(info->mmio_map, 0x36, 0x84); + wait = 10; + while (wait--) { + DRM_READ8(info->mmio_map, 0x36); + } + // Enable 2D engine only + OUT3X5B(info->mmio_map, 0x36, 0x80); + + // Enable 2D+3D engine + OUT3X5B(info->mmio_map, 0x36, 0x84); + + // Restore dynamic gating + OUT3CFB(info->mmio_map, 0x2a, bOld3cf2a); +} + +static inline void xgi_disable_ge(struct xgi_info * info) +{ + int wait = 0; + + // Reset both 3D and 2D engine + OUT3X5B(info->mmio_map, 0x36, 0x84); + + wait = 10; + while (wait--) { + DRM_READ8(info->mmio_map, 0x36); + } + OUT3X5B(info->mmio_map, 0x36, 0x94); + + wait = 10; + while (wait--) { + DRM_READ8(info->mmio_map, 0x36); + } + OUT3X5B(info->mmio_map, 0x36, 0x84); + + wait = 10; + while (wait--) { + DRM_READ8(info->mmio_map, 0x36); + } + + // Disable 2D engine only + OUT3X5B(info->mmio_map, 0x36, 0); +} + +static inline void xgi_enable_dvi_interrupt(struct xgi_info * info) +{ + OUT3CFB(info->mmio_map, 0x39, IN3CFB(info->mmio_map, 0x39) & ~0x01); //Set 3cf.39 bit 0 to 0 + OUT3CFB(info->mmio_map, 0x39, IN3CFB(info->mmio_map, 0x39) | 0x01); //Set 3cf.39 bit 0 to 1 + OUT3CFB(info->mmio_map, 0x39, IN3CFB(info->mmio_map, 0x39) | 0x02); +} +static inline void xgi_disable_dvi_interrupt(struct xgi_info * info) +{ + OUT3CFB(info->mmio_map, 0x39, IN3CFB(info->mmio_map, 0x39) & ~0x02); +} + +static inline void xgi_enable_crt1_interrupt(struct xgi_info * info) +{ + OUT3CFB(info->mmio_map, 0x3d, IN3CFB(info->mmio_map, 0x3d) | 0x04); + OUT3CFB(info->mmio_map, 0x3d, IN3CFB(info->mmio_map, 0x3d) & ~0x04); + OUT3CFB(info->mmio_map, 0x3d, IN3CFB(info->mmio_map, 0x3d) | 0x08); +} + +static inline void xgi_disable_crt1_interrupt(struct xgi_info * info) +{ + OUT3CFB(info->mmio_map, 0x3d, IN3CFB(info->mmio_map, 0x3d) & ~0x08); +} + +#endif |