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Initial commit; kernel source import

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Nathan
2025-04-06 23:50:55 -05:00
commit 25c6d769f4
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17
drivers/gpu/drm/ast/Kconfig Normal file
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config DRM_AST
tristate "AST server chips"
depends on DRM && PCI
select DRM_TTM
select FB_SYS_COPYAREA
select FB_SYS_FILLRECT
select FB_SYS_IMAGEBLIT
select DRM_KMS_HELPER
select DRM_KMS_FB_HELPER
select DRM_TTM
help
Say yes for experimental AST GPU driver. Do not enable
this driver without having a working -modesetting,
and a version of AST that knows to fail if KMS
is bound to the driver. These GPUs are commonly found
in server chipsets.

9
drivers/gpu/drm/ast/Makefile Normal file
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#
# Makefile for the drm device driver. This driver provides support for the
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
ccflags-y := -Iinclude/drm
ast-y := ast_drv.o ast_main.o ast_mode.o ast_fb.o ast_ttm.o ast_post.o
obj-$(CONFIG_DRM_AST) := ast.o

144
drivers/gpu/drm/ast/ast_dram_tables.h Normal file
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#ifndef AST_DRAM_TABLES_H
#define AST_DRAM_TABLES_H
/* DRAM timing tables */
struct ast_dramstruct {
u16 index;
u32 data;
};
static const struct ast_dramstruct ast2000_dram_table_data[] = {
{ 0x0108, 0x00000000 },
{ 0x0120, 0x00004a21 },
{ 0xFF00, 0x00000043 },
{ 0x0000, 0xFFFFFFFF },
{ 0x0004, 0x00000089 },
{ 0x0008, 0x22331353 },
{ 0x000C, 0x0d07000b },
{ 0x0010, 0x11113333 },
{ 0x0020, 0x00110350 },
{ 0x0028, 0x1e0828f0 },
{ 0x0024, 0x00000001 },
{ 0x001C, 0x00000000 },
{ 0x0014, 0x00000003 },
{ 0xFF00, 0x00000043 },
{ 0x0018, 0x00000131 },
{ 0x0014, 0x00000001 },
{ 0xFF00, 0x00000043 },
{ 0x0018, 0x00000031 },
{ 0x0014, 0x00000001 },
{ 0xFF00, 0x00000043 },
{ 0x0028, 0x1e0828f1 },
{ 0x0024, 0x00000003 },
{ 0x002C, 0x1f0f28fb },
{ 0x0030, 0xFFFFFE01 },
{ 0xFFFF, 0xFFFFFFFF }
};
static const struct ast_dramstruct ast1100_dram_table_data[] = {
{ 0x2000, 0x1688a8a8 },
{ 0x2020, 0x000041f0 },
{ 0xFF00, 0x00000043 },
{ 0x0000, 0xfc600309 },
{ 0x006C, 0x00909090 },
{ 0x0064, 0x00050000 },
{ 0x0004, 0x00000585 },
{ 0x0008, 0x0011030f },
{ 0x0010, 0x22201724 },
{ 0x0018, 0x1e29011a },
{ 0x0020, 0x00c82222 },
{ 0x0014, 0x01001523 },
{ 0x001C, 0x1024010d },
{ 0x0024, 0x00cb2522 },
{ 0x0038, 0xffffff82 },
{ 0x003C, 0x00000000 },
{ 0x0040, 0x00000000 },
{ 0x0044, 0x00000000 },
{ 0x0048, 0x00000000 },
{ 0x004C, 0x00000000 },
{ 0x0050, 0x00000000 },
{ 0x0054, 0x00000000 },
{ 0x0058, 0x00000000 },
{ 0x005C, 0x00000000 },
{ 0x0060, 0x032aa02a },
{ 0x0064, 0x002d3000 },
{ 0x0068, 0x00000000 },
{ 0x0070, 0x00000000 },
{ 0x0074, 0x00000000 },
{ 0x0078, 0x00000000 },
{ 0x007C, 0x00000000 },
{ 0x0034, 0x00000001 },
{ 0xFF00, 0x00000043 },
{ 0x002C, 0x00000732 },
{ 0x0030, 0x00000040 },
{ 0x0028, 0x00000005 },
{ 0x0028, 0x00000007 },
{ 0x0028, 0x00000003 },
{ 0x0028, 0x00000001 },
{ 0x000C, 0x00005a08 },
{ 0x002C, 0x00000632 },
{ 0x0028, 0x00000001 },
{ 0x0030, 0x000003c0 },
{ 0x0028, 0x00000003 },
{ 0x0030, 0x00000040 },
{ 0x0028, 0x00000003 },
{ 0x000C, 0x00005a21 },
{ 0x0034, 0x00007c03 },
{ 0x0120, 0x00004c41 },
{ 0xffff, 0xffffffff },
};
static const struct ast_dramstruct ast2100_dram_table_data[] = {
{ 0x2000, 0x1688a8a8 },
{ 0x2020, 0x00004120 },
{ 0xFF00, 0x00000043 },
{ 0x0000, 0xfc600309 },
{ 0x006C, 0x00909090 },
{ 0x0064, 0x00070000 },
{ 0x0004, 0x00000489 },
{ 0x0008, 0x0011030f },
{ 0x0010, 0x32302926 },
{ 0x0018, 0x274c0122 },
{ 0x0020, 0x00ce2222 },
{ 0x0014, 0x01001523 },
{ 0x001C, 0x1024010d },
{ 0x0024, 0x00cb2522 },
{ 0x0038, 0xffffff82 },
{ 0x003C, 0x00000000 },
{ 0x0040, 0x00000000 },
{ 0x0044, 0x00000000 },
{ 0x0048, 0x00000000 },
{ 0x004C, 0x00000000 },
{ 0x0050, 0x00000000 },
{ 0x0054, 0x00000000 },
{ 0x0058, 0x00000000 },
{ 0x005C, 0x00000000 },
{ 0x0060, 0x0f2aa02a },
{ 0x0064, 0x003f3005 },
{ 0x0068, 0x02020202 },
{ 0x0070, 0x00000000 },
{ 0x0074, 0x00000000 },
{ 0x0078, 0x00000000 },
{ 0x007C, 0x00000000 },
{ 0x0034, 0x00000001 },
{ 0xFF00, 0x00000043 },
{ 0x002C, 0x00000942 },
{ 0x0030, 0x00000040 },
{ 0x0028, 0x00000005 },
{ 0x0028, 0x00000007 },
{ 0x0028, 0x00000003 },
{ 0x0028, 0x00000001 },
{ 0x000C, 0x00005a08 },
{ 0x002C, 0x00000842 },
{ 0x0028, 0x00000001 },
{ 0x0030, 0x000003c0 },
{ 0x0028, 0x00000003 },
{ 0x0030, 0x00000040 },
{ 0x0028, 0x00000003 },
{ 0x000C, 0x00005a21 },
{ 0x0034, 0x00007c03 },
{ 0x0120, 0x00005061 },
{ 0xffff, 0xffffffff },
};
#endif

243
drivers/gpu/drm/ast/ast_drv.c Normal file
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/*
* Copyright 2012 Red Hat Inc.
*
* 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, sub license, 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 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
* THE COPYRIGHT HOLDERS, AUTHORS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*/
/*
* Authors: Dave Airlie <airlied@redhat.com>
*/
#include <linux/module.h>
#include <linux/console.h>
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
#include "ast_drv.h"
int ast_modeset = -1;
MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
module_param_named(modeset, ast_modeset, int, 0400);
#define PCI_VENDOR_ASPEED 0x1a03
static struct drm_driver driver;
#define AST_VGA_DEVICE(id, info) { \
.class = PCI_BASE_CLASS_DISPLAY << 16, \
.class_mask = 0xff0000, \
.vendor = PCI_VENDOR_ASPEED, \
.device = id, \
.subvendor = PCI_ANY_ID, \
.subdevice = PCI_ANY_ID, \
.driver_data = (unsigned long) info }
static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
AST_VGA_DEVICE(PCI_CHIP_AST2000, NULL),
AST_VGA_DEVICE(PCI_CHIP_AST2100, NULL),
/* AST_VGA_DEVICE(PCI_CHIP_AST1180, NULL), - don't bind to 1180 for now */
{0, 0, 0},
};
MODULE_DEVICE_TABLE(pci, pciidlist);
static int ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
return drm_get_pci_dev(pdev, ent, &driver);
}
static void
ast_pci_remove(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
drm_put_dev(dev);
}
static int ast_drm_freeze(struct drm_device *dev)
{
drm_kms_helper_poll_disable(dev);
pci_save_state(dev->pdev);
console_lock();
ast_fbdev_set_suspend(dev, 1);
console_unlock();
return 0;
}
static int ast_drm_thaw(struct drm_device *dev)
{
int error = 0;
ast_post_gpu(dev);
drm_mode_config_reset(dev);
drm_modeset_lock_all(dev);
drm_helper_resume_force_mode(dev);
drm_modeset_unlock_all(dev);
console_lock();
ast_fbdev_set_suspend(dev, 0);
console_unlock();
return error;
}
static int ast_drm_resume(struct drm_device *dev)
{
int ret;
if (pci_enable_device(dev->pdev))
return -EIO;
ret = ast_drm_thaw(dev);
if (ret)
return ret;
drm_kms_helper_poll_enable(dev);
return 0;
}
static int ast_pm_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *ddev = pci_get_drvdata(pdev);
int error;
error = ast_drm_freeze(ddev);
if (error)
return error;
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3hot);
return 0;
}
static int ast_pm_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *ddev = pci_get_drvdata(pdev);
return ast_drm_resume(ddev);
}
static int ast_pm_freeze(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *ddev = pci_get_drvdata(pdev);
if (!ddev || !ddev->dev_private)
return -ENODEV;
return ast_drm_freeze(ddev);
}
static int ast_pm_thaw(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *ddev = pci_get_drvdata(pdev);
return ast_drm_thaw(ddev);
}
static int ast_pm_poweroff(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *ddev = pci_get_drvdata(pdev);
return ast_drm_freeze(ddev);
}
static const struct dev_pm_ops ast_pm_ops = {
.suspend = ast_pm_suspend,
.resume = ast_pm_resume,
.freeze = ast_pm_freeze,
.thaw = ast_pm_thaw,
.poweroff = ast_pm_poweroff,
.restore = ast_pm_resume,
};
static struct pci_driver ast_pci_driver = {
.name = DRIVER_NAME,
.id_table = pciidlist,
.probe = ast_pci_probe,
.remove = ast_pci_remove,
.driver.pm = &ast_pm_ops,
};
static const struct file_operations ast_fops = {
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
.unlocked_ioctl = drm_ioctl,
.mmap = ast_mmap,
.poll = drm_poll,
#ifdef CONFIG_COMPAT
.compat_ioctl = drm_compat_ioctl,
#endif
.read = drm_read,
};
static struct drm_driver driver = {
.driver_features = DRIVER_MODESET | DRIVER_GEM,
.dev_priv_size = 0,
.load = ast_driver_load,
.unload = ast_driver_unload,
.fops = &ast_fops,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
.gem_free_object = ast_gem_free_object,
.dumb_create = ast_dumb_create,
.dumb_map_offset = ast_dumb_mmap_offset,
.dumb_destroy = drm_gem_dumb_destroy,
};
static int __init ast_init(void)
{
#ifdef CONFIG_VGA_CONSOLE
if (vgacon_text_force() && ast_modeset == -1)
return -EINVAL;
#endif
if (ast_modeset == 0)
return -EINVAL;
return drm_pci_init(&driver, &ast_pci_driver);
}
static void __exit ast_exit(void)
{
drm_pci_exit(&driver, &ast_pci_driver);
}
module_init(ast_init);
module_exit(ast_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");

355
drivers/gpu/drm/ast/ast_drv.h Normal file
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/*
* Copyright 2012 Red Hat Inc.
*
* 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, sub license, 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 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
* THE COPYRIGHT HOLDERS, AUTHORS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*/
/*
* Authors: Dave Airlie <airlied@redhat.com>
*/
#ifndef __AST_DRV_H__
#define __AST_DRV_H__
#include <drm/drm_fb_helper.h>
#include <drm/ttm/ttm_bo_api.h>
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/ttm/ttm_placement.h>
#include <drm/ttm/ttm_memory.h>
#include <drm/ttm/ttm_module.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#define DRIVER_AUTHOR "Dave Airlie"
#define DRIVER_NAME "ast"
#define DRIVER_DESC "AST"
#define DRIVER_DATE "20120228"
#define DRIVER_MAJOR 0
#define DRIVER_MINOR 1
#define DRIVER_PATCHLEVEL 0
#define PCI_CHIP_AST2000 0x2000
#define PCI_CHIP_AST2100 0x2010
#define PCI_CHIP_AST1180 0x1180
enum ast_chip {
AST2000,
AST2100,
AST1100,
AST2200,
AST2150,
AST2300,
AST1180,
};
#define AST_DRAM_512Mx16 0
#define AST_DRAM_1Gx16 1
#define AST_DRAM_512Mx32 2
#define AST_DRAM_1Gx32 3
#define AST_DRAM_2Gx16 6
#define AST_DRAM_4Gx16 7
struct ast_fbdev;
struct ast_private {
struct drm_device *dev;
void __iomem *regs;
void __iomem *ioregs;
enum ast_chip chip;
bool vga2_clone;
uint32_t dram_bus_width;
uint32_t dram_type;
uint32_t mclk;
uint32_t vram_size;
struct ast_fbdev *fbdev;
int fb_mtrr;
struct {
struct drm_global_reference mem_global_ref;
struct ttm_bo_global_ref bo_global_ref;
struct ttm_bo_device bdev;
} ttm;
struct drm_gem_object *cursor_cache;
uint64_t cursor_cache_gpu_addr;
/* Acces to this cache is protected by the crtc->mutex of the only crtc
* we have. */
struct ttm_bo_kmap_obj cache_kmap;
int next_cursor;
};
int ast_driver_load(struct drm_device *dev, unsigned long flags);
int ast_driver_unload(struct drm_device *dev);
struct ast_gem_object;
#define AST_IO_AR_PORT_WRITE (0x40)
#define AST_IO_MISC_PORT_WRITE (0x42)
#define AST_IO_SEQ_PORT (0x44)
#define AST_DAC_INDEX_READ (0x3c7)
#define AST_IO_DAC_INDEX_WRITE (0x48)
#define AST_IO_DAC_DATA (0x49)
#define AST_IO_GR_PORT (0x4E)
#define AST_IO_CRTC_PORT (0x54)
#define AST_IO_INPUT_STATUS1_READ (0x5A)
#define AST_IO_MISC_PORT_READ (0x4C)
#define __ast_read(x) \
static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
u##x val = 0;\
val = ioread##x(ast->regs + reg); \
return val;\
}
__ast_read(8);
__ast_read(16);
__ast_read(32)
#define __ast_io_read(x) \
static inline u##x ast_io_read##x(struct ast_private *ast, u32 reg) { \
u##x val = 0;\
val = ioread##x(ast->ioregs + reg); \
return val;\
}
__ast_io_read(8);
__ast_io_read(16);
__ast_io_read(32);
#define __ast_write(x) \
static inline void ast_write##x(struct ast_private *ast, u32 reg, u##x val) {\
iowrite##x(val, ast->regs + reg);\
}
__ast_write(8);
__ast_write(16);
__ast_write(32);
#define __ast_io_write(x) \
static inline void ast_io_write##x(struct ast_private *ast, u32 reg, u##x val) {\
iowrite##x(val, ast->ioregs + reg);\
}
__ast_io_write(8);
__ast_io_write(16);
#undef __ast_io_write
static inline void ast_set_index_reg(struct ast_private *ast,
uint32_t base, uint8_t index,
uint8_t val)
{
ast_io_write16(ast, base, ((u16)val << 8) | index);
}
void ast_set_index_reg_mask(struct ast_private *ast,
uint32_t base, uint8_t index,
uint8_t mask, uint8_t val);
uint8_t ast_get_index_reg(struct ast_private *ast,
uint32_t base, uint8_t index);
uint8_t ast_get_index_reg_mask(struct ast_private *ast,
uint32_t base, uint8_t index, uint8_t mask);
static inline void ast_open_key(struct ast_private *ast)
{
ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x80, 0xA8);
}
#define AST_VIDMEM_SIZE_8M 0x00800000
#define AST_VIDMEM_SIZE_16M 0x01000000
#define AST_VIDMEM_SIZE_32M 0x02000000
#define AST_VIDMEM_SIZE_64M 0x04000000
#define AST_VIDMEM_SIZE_128M 0x08000000
#define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
#define AST_MAX_HWC_WIDTH 64
#define AST_MAX_HWC_HEIGHT 64
#define AST_HWC_SIZE (AST_MAX_HWC_WIDTH*AST_MAX_HWC_HEIGHT*2)
#define AST_HWC_SIGNATURE_SIZE 32
#define AST_DEFAULT_HWC_NUM 2
/* define for signature structure */
#define AST_HWC_SIGNATURE_CHECKSUM 0x00
#define AST_HWC_SIGNATURE_SizeX 0x04
#define AST_HWC_SIGNATURE_SizeY 0x08
#define AST_HWC_SIGNATURE_X 0x0C
#define AST_HWC_SIGNATURE_Y 0x10
#define AST_HWC_SIGNATURE_HOTSPOTX 0x14
#define AST_HWC_SIGNATURE_HOTSPOTY 0x18
struct ast_i2c_chan {
struct i2c_adapter adapter;
struct drm_device *dev;
struct i2c_algo_bit_data bit;
};
struct ast_connector {
struct drm_connector base;
struct ast_i2c_chan *i2c;
};
struct ast_crtc {
struct drm_crtc base;
u8 lut_r[256], lut_g[256], lut_b[256];
struct drm_gem_object *cursor_bo;
uint64_t cursor_addr;
int cursor_width, cursor_height;
u8 offset_x, offset_y;
};
struct ast_encoder {
struct drm_encoder base;
};
struct ast_framebuffer {
struct drm_framebuffer base;
struct drm_gem_object *obj;
};
struct ast_fbdev {
struct drm_fb_helper helper;
struct ast_framebuffer afb;
struct list_head fbdev_list;
void *sysram;
int size;
struct ttm_bo_kmap_obj mapping;
int x1, y1, x2, y2; /* dirty rect */
spinlock_t dirty_lock;
};
#define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
#define to_ast_connector(x) container_of(x, struct ast_connector, base)
#define to_ast_encoder(x) container_of(x, struct ast_encoder, base)
#define to_ast_framebuffer(x) container_of(x, struct ast_framebuffer, base)
struct ast_vbios_stdtable {
u8 misc;
u8 seq[4];
u8 crtc[25];
u8 ar[20];
u8 gr[9];
};
struct ast_vbios_enhtable {
u32 ht;
u32 hde;
u32 hfp;
u32 hsync;
u32 vt;
u32 vde;
u32 vfp;
u32 vsync;
u32 dclk_index;
u32 flags;
u32 refresh_rate;
u32 refresh_rate_index;
u32 mode_id;
};
struct ast_vbios_dclk_info {
u8 param1;
u8 param2;
u8 param3;
};
struct ast_vbios_mode_info {
struct ast_vbios_stdtable *std_table;
struct ast_vbios_enhtable *enh_table;
};
extern int ast_mode_init(struct drm_device *dev);
extern void ast_mode_fini(struct drm_device *dev);
int ast_framebuffer_init(struct drm_device *dev,
struct ast_framebuffer *ast_fb,
struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object *obj);
int ast_fbdev_init(struct drm_device *dev);
void ast_fbdev_fini(struct drm_device *dev);
void ast_fbdev_set_suspend(struct drm_device *dev, int state);
struct ast_bo {
struct ttm_buffer_object bo;
struct ttm_placement placement;
struct ttm_bo_kmap_obj kmap;
struct drm_gem_object gem;
u32 placements[3];
int pin_count;
};
#define gem_to_ast_bo(gobj) container_of((gobj), struct ast_bo, gem)
static inline struct ast_bo *
ast_bo(struct ttm_buffer_object *bo)
{
return container_of(bo, struct ast_bo, bo);
}
#define to_ast_obj(x) container_of(x, struct ast_gem_object, base)
#define AST_MM_ALIGN_SHIFT 4
#define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
extern int ast_dumb_create(struct drm_file *file,
struct drm_device *dev,
struct drm_mode_create_dumb *args);
extern void ast_gem_free_object(struct drm_gem_object *obj);
extern int ast_dumb_mmap_offset(struct drm_file *file,
struct drm_device *dev,
uint32_t handle,
uint64_t *offset);
#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
int ast_mm_init(struct ast_private *ast);
void ast_mm_fini(struct ast_private *ast);
int ast_bo_create(struct drm_device *dev, int size, int align,
uint32_t flags, struct ast_bo **pastbo);
int ast_gem_create(struct drm_device *dev,
u32 size, bool iskernel,
struct drm_gem_object **obj);
int ast_bo_pin(struct ast_bo *bo, u32 pl_flag, u64 *gpu_addr);
int ast_bo_unpin(struct ast_bo *bo);
int ast_bo_reserve(struct ast_bo *bo, bool no_wait);
void ast_bo_unreserve(struct ast_bo *bo);
void ast_ttm_placement(struct ast_bo *bo, int domain);
int ast_bo_push_sysram(struct ast_bo *bo);
int ast_mmap(struct file *filp, struct vm_area_struct *vma);
/* ast post */
void ast_post_gpu(struct drm_device *dev);
#endif

368
drivers/gpu/drm/ast/ast_fb.c Normal file
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@@ -0,0 +1,368 @@
/*
* Copyright 2012 Red Hat Inc.
*
* 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, sub license, 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 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
* THE COPYRIGHT HOLDERS, AUTHORS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*/
/*
* Authors: Dave Airlie <airlied@redhat.com>
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/sysrq.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_crtc_helper.h>
#include "ast_drv.h"
static void ast_dirty_update(struct ast_fbdev *afbdev,
int x, int y, int width, int height)
{
int i;
struct drm_gem_object *obj;
struct ast_bo *bo;
int src_offset, dst_offset;
int bpp = (afbdev->afb.base.bits_per_pixel + 7)/8;
int ret;
bool unmap = false;
bool store_for_later = false;
int x2, y2;
unsigned long flags;
obj = afbdev->afb.obj;
bo = gem_to_ast_bo(obj);
/*
* try and reserve the BO, if we fail with busy
* then the BO is being moved and we should
* store up the damage until later.
*/
ret = ast_bo_reserve(bo, true);
if (ret) {
if (ret != -EBUSY)
return;
store_for_later = true;
}
x2 = x + width - 1;
y2 = y + height - 1;
spin_lock_irqsave(&afbdev->dirty_lock, flags);
if (afbdev->y1 < y)
y = afbdev->y1;
if (afbdev->y2 > y2)
y2 = afbdev->y2;
if (afbdev->x1 < x)
x = afbdev->x1;
if (afbdev->x2 > x2)
x2 = afbdev->x2;
if (store_for_later) {
afbdev->x1 = x;
afbdev->x2 = x2;
afbdev->y1 = y;
afbdev->y2 = y2;
spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
return;
}
afbdev->x1 = afbdev->y1 = INT_MAX;
afbdev->x2 = afbdev->y2 = 0;
spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
if (!bo->kmap.virtual) {
ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap);
if (ret) {
DRM_ERROR("failed to kmap fb updates\n");
ast_bo_unreserve(bo);
return;
}
unmap = true;
}
for (i = y; i <= y2; i++) {
/* assume equal stride for now */
src_offset = dst_offset = i * afbdev->afb.base.pitches[0] + (x * bpp);
memcpy_toio(bo->kmap.virtual + src_offset, afbdev->sysram + src_offset, (x2 - x + 1) * bpp);
}
if (unmap)
ttm_bo_kunmap(&bo->kmap);
ast_bo_unreserve(bo);
}
static void ast_fillrect(struct fb_info *info,
const struct fb_fillrect *rect)
{
struct ast_fbdev *afbdev = info->par;
sys_fillrect(info, rect);
ast_dirty_update(afbdev, rect->dx, rect->dy, rect->width,
rect->height);
}
static void ast_copyarea(struct fb_info *info,
const struct fb_copyarea *area)
{
struct ast_fbdev *afbdev = info->par;
sys_copyarea(info, area);
ast_dirty_update(afbdev, area->dx, area->dy, area->width,
area->height);
}
static void ast_imageblit(struct fb_info *info,
const struct fb_image *image)
{
struct ast_fbdev *afbdev = info->par;
sys_imageblit(info, image);
ast_dirty_update(afbdev, image->dx, image->dy, image->width,
image->height);
}
static struct fb_ops astfb_ops = {
.owner = THIS_MODULE,
.fb_check_var = drm_fb_helper_check_var,
.fb_set_par = drm_fb_helper_set_par,
.fb_fillrect = ast_fillrect,
.fb_copyarea = ast_copyarea,
.fb_imageblit = ast_imageblit,
.fb_pan_display = drm_fb_helper_pan_display,
.fb_blank = drm_fb_helper_blank,
.fb_setcmap = drm_fb_helper_setcmap,
.fb_debug_enter = drm_fb_helper_debug_enter,
.fb_debug_leave = drm_fb_helper_debug_leave,
};
static int astfb_create_object(struct ast_fbdev *afbdev,
struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object **gobj_p)
{
struct drm_device *dev = afbdev->helper.dev;
u32 bpp, depth;
u32 size;
struct drm_gem_object *gobj;
int ret = 0;
drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp);
size = mode_cmd->pitches[0] * mode_cmd->height;
ret = ast_gem_create(dev, size, true, &gobj);
if (ret)
return ret;
*gobj_p = gobj;
return ret;
}
static int astfb_create(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes)
{
struct ast_fbdev *afbdev = (struct ast_fbdev *)helper;
struct drm_device *dev = afbdev->helper.dev;
struct drm_mode_fb_cmd2 mode_cmd;
struct drm_framebuffer *fb;
struct fb_info *info;
int size, ret;
struct device *device = &dev->pdev->dev;
void *sysram;
struct drm_gem_object *gobj = NULL;
struct ast_bo *bo = NULL;
mode_cmd.width = sizes->surface_width;
mode_cmd.height = sizes->surface_height;
mode_cmd.pitches[0] = mode_cmd.width * ((sizes->surface_bpp + 7)/8);
mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
sizes->surface_depth);
size = mode_cmd.pitches[0] * mode_cmd.height;
ret = astfb_create_object(afbdev, &mode_cmd, &gobj);
if (ret) {
DRM_ERROR("failed to create fbcon backing object %d\n", ret);
return ret;
}
bo = gem_to_ast_bo(gobj);
sysram = vmalloc(size);
if (!sysram)
return -ENOMEM;
info = framebuffer_alloc(0, device);
if (!info) {
ret = -ENOMEM;
goto out;
}
info->par = afbdev;
ret = ast_framebuffer_init(dev, &afbdev->afb, &mode_cmd, gobj);
if (ret)
goto out;
afbdev->sysram = sysram;
afbdev->size = size;
fb = &afbdev->afb.base;
afbdev->helper.fb = fb;
afbdev->helper.fbdev = info;
strcpy(info->fix.id, "astdrmfb");
info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
info->fbops = &astfb_ops;
ret = fb_alloc_cmap(&info->cmap, 256, 0);
if (ret) {
ret = -ENOMEM;
goto out;
}
info->apertures = alloc_apertures(1);
if (!info->apertures) {
ret = -ENOMEM;
goto out;
}
info->apertures->ranges[0].base = pci_resource_start(dev->pdev, 0);
info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 0);
drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
drm_fb_helper_fill_var(info, &afbdev->helper, sizes->fb_width, sizes->fb_height);
info->screen_base = sysram;
info->screen_size = size;
info->pixmap.flags = FB_PIXMAP_SYSTEM;
DRM_DEBUG_KMS("allocated %dx%d\n",
fb->width, fb->height);
return 0;
out:
return ret;
}
static void ast_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
u16 blue, int regno)
{
struct ast_crtc *ast_crtc = to_ast_crtc(crtc);
ast_crtc->lut_r[regno] = red >> 8;
ast_crtc->lut_g[regno] = green >> 8;
ast_crtc->lut_b[regno] = blue >> 8;
}
static void ast_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, int regno)
{
struct ast_crtc *ast_crtc = to_ast_crtc(crtc);
*red = ast_crtc->lut_r[regno] << 8;
*green = ast_crtc->lut_g[regno] << 8;
*blue = ast_crtc->lut_b[regno] << 8;
}
static struct drm_fb_helper_funcs ast_fb_helper_funcs = {
.gamma_set = ast_fb_gamma_set,
.gamma_get = ast_fb_gamma_get,
.fb_probe = astfb_create,
};
static void ast_fbdev_destroy(struct drm_device *dev,
struct ast_fbdev *afbdev)
{
struct fb_info *info;
struct ast_framebuffer *afb = &afbdev->afb;
if (afbdev->helper.fbdev) {
info = afbdev->helper.fbdev;
unregister_framebuffer(info);
if (info->cmap.len)
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
if (afb->obj) {
drm_gem_object_unreference_unlocked(afb->obj);
afb->obj = NULL;
}
drm_fb_helper_fini(&afbdev->helper);
vfree(afbdev->sysram);
drm_framebuffer_unregister_private(&afb->base);
drm_framebuffer_cleanup(&afb->base);
}
int ast_fbdev_init(struct drm_device *dev)
{
struct ast_private *ast = dev->dev_private;
struct ast_fbdev *afbdev;
int ret;
afbdev = kzalloc(sizeof(struct ast_fbdev), GFP_KERNEL);
if (!afbdev)
return -ENOMEM;
ast->fbdev = afbdev;
afbdev->helper.funcs = &ast_fb_helper_funcs;
spin_lock_init(&afbdev->dirty_lock);
ret = drm_fb_helper_init(dev, &afbdev->helper,
1, 1);
if (ret) {
kfree(afbdev);
return ret;
}
drm_fb_helper_single_add_all_connectors(&afbdev->helper);
/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(dev);
drm_fb_helper_initial_config(&afbdev->helper, 32);
return 0;
}
void ast_fbdev_fini(struct drm_device *dev)
{
struct ast_private *ast = dev->dev_private;
if (!ast->fbdev)
return;
ast_fbdev_destroy(dev, ast->fbdev);
kfree(ast->fbdev);
ast->fbdev = NULL;
}
void ast_fbdev_set_suspend(struct drm_device *dev, int state)
{
struct ast_private *ast = dev->dev_private;
if (!ast->fbdev)
return;
fb_set_suspend(ast->fbdev->helper.fbdev, state);
}

506
drivers/gpu/drm/ast/ast_main.c Normal file
View File

@@ -0,0 +1,506 @@
/*
* Copyright 2012 Red Hat Inc.
*
* 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, sub license, 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 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
* THE COPYRIGHT HOLDERS, AUTHORS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*/
/*
* Authors: Dave Airlie <airlied@redhat.com>
*/
#include <drm/drmP.h>
#include "ast_drv.h"
#include <drm/drm_fb_helper.h>
#include <drm/drm_crtc_helper.h>
#include "ast_dram_tables.h"
void ast_set_index_reg_mask(struct ast_private *ast,
uint32_t base, uint8_t index,
uint8_t mask, uint8_t val)
{
u8 tmp;
ast_io_write8(ast, base, index);
tmp = (ast_io_read8(ast, base + 1) & mask) | val;
ast_set_index_reg(ast, base, index, tmp);
}
uint8_t ast_get_index_reg(struct ast_private *ast,
uint32_t base, uint8_t index)
{
uint8_t ret;
ast_io_write8(ast, base, index);
ret = ast_io_read8(ast, base + 1);
return ret;
}
uint8_t ast_get_index_reg_mask(struct ast_private *ast,
uint32_t base, uint8_t index, uint8_t mask)
{
uint8_t ret;
ast_io_write8(ast, base, index);
ret = ast_io_read8(ast, base + 1) & mask;
return ret;
}
static int ast_detect_chip(struct drm_device *dev)
{
struct ast_private *ast = dev->dev_private;
if (dev->pdev->device == PCI_CHIP_AST1180) {
ast->chip = AST1100;
DRM_INFO("AST 1180 detected\n");
} else {
if (dev->pdev->revision >= 0x20) {
ast->chip = AST2300;
DRM_INFO("AST 2300 detected\n");
} else if (dev->pdev->revision >= 0x10) {
uint32_t data;
ast_write32(ast, 0xf004, 0x1e6e0000);
ast_write32(ast, 0xf000, 0x1);
data = ast_read32(ast, 0x1207c);
switch (data & 0x0300) {
case 0x0200:
ast->chip = AST1100;
DRM_INFO("AST 1100 detected\n");
break;
case 0x0100:
ast->chip = AST2200;
DRM_INFO("AST 2200 detected\n");
break;
case 0x0000:
ast->chip = AST2150;
DRM_INFO("AST 2150 detected\n");
break;
default:
ast->chip = AST2100;
DRM_INFO("AST 2100 detected\n");
break;
}
ast->vga2_clone = false;
} else {
ast->chip = 2000;
DRM_INFO("AST 2000 detected\n");
}
}
return 0;
}
static int ast_get_dram_info(struct drm_device *dev)
{
struct ast_private *ast = dev->dev_private;
uint32_t data, data2;
uint32_t denum, num, div, ref_pll;
ast_write32(ast, 0xf004, 0x1e6e0000);
ast_write32(ast, 0xf000, 0x1);
ast_write32(ast, 0x10000, 0xfc600309);
do {
;
} while (ast_read32(ast, 0x10000) != 0x01);
data = ast_read32(ast, 0x10004);
if (data & 0x400)
ast->dram_bus_width = 16;
else
ast->dram_bus_width = 32;
if (ast->chip == AST2300) {
switch (data & 0x03) {
case 0:
ast->dram_type = AST_DRAM_512Mx16;
break;
default:
case 1:
ast->dram_type = AST_DRAM_1Gx16;
break;
case 2:
ast->dram_type = AST_DRAM_2Gx16;
break;
case 3:
ast->dram_type = AST_DRAM_4Gx16;
break;
}
} else {
switch (data & 0x0c) {
case 0:
case 4:
ast->dram_type = AST_DRAM_512Mx16;
break;
case 8:
if (data & 0x40)
ast->dram_type = AST_DRAM_1Gx16;
else
ast->dram_type = AST_DRAM_512Mx32;
break;
case 0xc:
ast->dram_type = AST_DRAM_1Gx32;
break;
}
}
data = ast_read32(ast, 0x10120);
data2 = ast_read32(ast, 0x10170);
if (data2 & 0x2000)
ref_pll = 14318;
else
ref_pll = 12000;
denum = data & 0x1f;
num = (data & 0x3fe0) >> 5;
data = (data & 0xc000) >> 14;
switch (data) {
case 3:
div = 0x4;
break;
case 2:
case 1:
div = 0x2;
break;
default:
div = 0x1;
break;
}
ast->mclk = ref_pll * (num + 2) / (denum + 2) * (div * 1000);
return 0;
}
uint32_t ast_get_max_dclk(struct drm_device *dev, int bpp)
{
struct ast_private *ast = dev->dev_private;
uint32_t dclk, jreg;
uint32_t dram_bus_width, mclk, dram_bandwidth, actual_dram_bandwidth, dram_efficency = 500;
dram_bus_width = ast->dram_bus_width;
mclk = ast->mclk;
if (ast->chip == AST2100 ||
ast->chip == AST1100 ||
ast->chip == AST2200 ||
ast->chip == AST2150 ||
ast->dram_bus_width == 16)
dram_efficency = 600;
else if (ast->chip == AST2300)
dram_efficency = 400;
dram_bandwidth = mclk * dram_bus_width * 2 / 8;
actual_dram_bandwidth = dram_bandwidth * dram_efficency / 1000;
if (ast->chip == AST1180)
dclk = actual_dram_bandwidth / ((bpp + 1) / 8);
else {
jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
if ((jreg & 0x08) && (ast->chip == AST2000))
dclk = actual_dram_bandwidth / ((bpp + 1 + 16) / 8);
else if ((jreg & 0x08) && (bpp == 8))
dclk = actual_dram_bandwidth / ((bpp + 1 + 24) / 8);
else
dclk = actual_dram_bandwidth / ((bpp + 1) / 8);
}
if (ast->chip == AST2100 ||
ast->chip == AST2200 ||
ast->chip == AST2300 ||
ast->chip == AST1180) {
if (dclk > 200)
dclk = 200;
} else {
if (dclk > 165)
dclk = 165;
}
return dclk;
}
static void ast_user_framebuffer_destroy(struct drm_framebuffer *fb)
{
struct ast_framebuffer *ast_fb = to_ast_framebuffer(fb);
if (ast_fb->obj)
drm_gem_object_unreference_unlocked(ast_fb->obj);
drm_framebuffer_cleanup(fb);
kfree(fb);
}
static const struct drm_framebuffer_funcs ast_fb_funcs = {
.destroy = ast_user_framebuffer_destroy,
};
int ast_framebuffer_init(struct drm_device *dev,
struct ast_framebuffer *ast_fb,
struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object *obj)
{
int ret;
drm_helper_mode_fill_fb_struct(&ast_fb->base, mode_cmd);
ast_fb->obj = obj;
ret = drm_framebuffer_init(dev, &ast_fb->base, &ast_fb_funcs);
if (ret) {
DRM_ERROR("framebuffer init failed %d\n", ret);
return ret;
}
return 0;
}
static struct drm_framebuffer *
ast_user_framebuffer_create(struct drm_device *dev,
struct drm_file *filp,
struct drm_mode_fb_cmd2 *mode_cmd)
{
struct drm_gem_object *obj;
struct ast_framebuffer *ast_fb;
int ret;
obj = drm_gem_object_lookup(dev, filp, mode_cmd->handles[0]);
if (obj == NULL)
return ERR_PTR(-ENOENT);
ast_fb = kzalloc(sizeof(*ast_fb), GFP_KERNEL);
if (!ast_fb) {
drm_gem_object_unreference_unlocked(obj);
return ERR_PTR(-ENOMEM);
}
ret = ast_framebuffer_init(dev, ast_fb, mode_cmd, obj);
if (ret) {
drm_gem_object_unreference_unlocked(obj);
kfree(ast_fb);
return ERR_PTR(ret);
}
return &ast_fb->base;
}
static const struct drm_mode_config_funcs ast_mode_funcs = {
.fb_create = ast_user_framebuffer_create,
};
static u32 ast_get_vram_info(struct drm_device *dev)
{
struct ast_private *ast = dev->dev_private;
u8 jreg;
ast_open_key(ast);
jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xaa, 0xff);
switch (jreg & 3) {
case 0: return AST_VIDMEM_SIZE_8M;
case 1: return AST_VIDMEM_SIZE_16M;
case 2: return AST_VIDMEM_SIZE_32M;
case 3: return AST_VIDMEM_SIZE_64M;
}
return AST_VIDMEM_DEFAULT_SIZE;
}
int ast_driver_load(struct drm_device *dev, unsigned long flags)
{
struct ast_private *ast;
int ret = 0;
ast = kzalloc(sizeof(struct ast_private), GFP_KERNEL);
if (!ast)
return -ENOMEM;
dev->dev_private = ast;
ast->dev = dev;
ast->regs = pci_iomap(dev->pdev, 1, 0);
if (!ast->regs) {
ret = -EIO;
goto out_free;
}
ast->ioregs = pci_iomap(dev->pdev, 2, 0);
if (!ast->ioregs) {
ret = -EIO;
goto out_free;
}
ast_detect_chip(dev);
if (ast->chip != AST1180) {
ast_get_dram_info(dev);
ast->vram_size = ast_get_vram_info(dev);
DRM_INFO("dram %d %d %d %08x\n", ast->mclk, ast->dram_type, ast->dram_bus_width, ast->vram_size);
}
ret = ast_mm_init(ast);
if (ret)
goto out_free;
drm_mode_config_init(dev);
dev->mode_config.funcs = (void *)&ast_mode_funcs;
dev->mode_config.min_width = 0;
dev->mode_config.min_height = 0;
dev->mode_config.preferred_depth = 24;
dev->mode_config.prefer_shadow = 1;
if (ast->chip == AST2100 ||
ast->chip == AST2200 ||
ast->chip == AST2300 ||
ast->chip == AST1180) {
dev->mode_config.max_width = 1920;
dev->mode_config.max_height = 2048;
} else {
dev->mode_config.max_width = 1600;
dev->mode_config.max_height = 1200;
}
ret = ast_mode_init(dev);
if (ret)
goto out_free;
ret = ast_fbdev_init(dev);
if (ret)
goto out_free;
return 0;
out_free:
kfree(ast);
dev->dev_private = NULL;
return ret;
}
int ast_driver_unload(struct drm_device *dev)
{
struct ast_private *ast = dev->dev_private;
ast_mode_fini(dev);
ast_fbdev_fini(dev);
drm_mode_config_cleanup(dev);
ast_mm_fini(ast);
pci_iounmap(dev->pdev, ast->ioregs);
pci_iounmap(dev->pdev, ast->regs);
kfree(ast);
return 0;
}
int ast_gem_create(struct drm_device *dev,
u32 size, bool iskernel,
struct drm_gem_object **obj)
{
struct ast_bo *astbo;
int ret;
*obj = NULL;
size = roundup(size, PAGE_SIZE);
if (size == 0)
return -EINVAL;
ret = ast_bo_create(dev, size, 0, 0, &astbo);
if (ret) {
if (ret != -ERESTARTSYS)
DRM_ERROR("failed to allocate GEM object\n");
return ret;
}
*obj = &astbo->gem;
return 0;
}
int ast_dumb_create(struct drm_file *file,
struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
int ret;
struct drm_gem_object *gobj;
u32 handle;
args->pitch = args->width * ((args->bpp + 7) / 8);
args->size = args->pitch * args->height;
ret = ast_gem_create(dev, args->size, false,
&gobj);
if (ret)
return ret;
ret = drm_gem_handle_create(file, gobj, &handle);
drm_gem_object_unreference_unlocked(gobj);
if (ret)
return ret;
args->handle = handle;
return 0;
}
void ast_bo_unref(struct ast_bo **bo)
{
struct ttm_buffer_object *tbo;
if ((*bo) == NULL)
return;
tbo = &((*bo)->bo);
ttm_bo_unref(&tbo);
if (tbo == NULL)
*bo = NULL;
}
void ast_gem_free_object(struct drm_gem_object *obj)
{
struct ast_bo *ast_bo = gem_to_ast_bo(obj);
if (!ast_bo)
return;
ast_bo_unref(&ast_bo);
}
static inline u64 ast_bo_mmap_offset(struct ast_bo *bo)
{
return drm_vma_node_offset_addr(&bo->bo.vma_node);
}
int
ast_dumb_mmap_offset(struct drm_file *file,
struct drm_device *dev,
uint32_t handle,
uint64_t *offset)
{
struct drm_gem_object *obj;
int ret;
struct ast_bo *bo;
mutex_lock(&dev->struct_mutex);
obj = drm_gem_object_lookup(dev, file, handle);
if (obj == NULL) {
ret = -ENOENT;
goto out_unlock;
}
bo = gem_to_ast_bo(obj);
*offset = ast_bo_mmap_offset(bo);
drm_gem_object_unreference(obj);
ret = 0;
out_unlock:
mutex_unlock(&dev->struct_mutex);
return ret;
}

1161
drivers/gpu/drm/ast/ast_mode.c Normal file
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File diff suppressed because it is too large Load Diff

1780
drivers/gpu/drm/ast/ast_post.c Normal file
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File diff suppressed because it is too large Load Diff

265
drivers/gpu/drm/ast/ast_tables.h Normal file
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@@ -0,0 +1,265 @@
/*
* Copyright (c) 2005 ASPEED Technology Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the authors not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The authors makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* Ported from xf86-video-ast driver */
#ifndef AST_TABLES_H
#define AST_TABLES_H
/* Std. Table Index Definition */
#define TextModeIndex 0
#define EGAModeIndex 1
#define VGAModeIndex 2
#define HiCModeIndex 3
#define TrueCModeIndex 4
#define Charx8Dot 0x00000001
#define HalfDCLK 0x00000002
#define DoubleScanMode 0x00000004
#define LineCompareOff 0x00000008
#define SyncPP 0x00000000
#define SyncPN 0x00000040
#define SyncNP 0x00000080
#define SyncNN 0x000000C0
#define HBorder 0x00000020
#define VBorder 0x00000010
#define WideScreenMode 0x00000100
/* DCLK Index */
#define VCLK25_175 0x00
#define VCLK28_322 0x01
#define VCLK31_5 0x02
#define VCLK36 0x03
#define VCLK40 0x04
#define VCLK49_5 0x05
#define VCLK50 0x06
#define VCLK56_25 0x07
#define VCLK65 0x08
#define VCLK75 0x09
#define VCLK78_75 0x0A
#define VCLK94_5 0x0B
#define VCLK108 0x0C
#define VCLK135 0x0D
#define VCLK157_5 0x0E
#define VCLK162 0x0F
/* #define VCLK193_25 0x10 */
#define VCLK154 0x10
#define VCLK83_5 0x11
#define VCLK106_5 0x12
#define VCLK146_25 0x13
#define VCLK148_5 0x14
static struct ast_vbios_dclk_info dclk_table[] = {
{0x2C, 0xE7, 0x03}, /* 00: VCLK25_175 */
{0x95, 0x62, 0x03}, /* 01: VCLK28_322 */
{0x67, 0x63, 0x01}, /* 02: VCLK31_5 */
{0x76, 0x63, 0x01}, /* 03: VCLK36 */
{0xEE, 0x67, 0x01}, /* 04: VCLK40 */
{0x82, 0x62, 0x01}, /* 05: VCLK49_5 */
{0xC6, 0x64, 0x01}, /* 06: VCLK50 */
{0x94, 0x62, 0x01}, /* 07: VCLK56_25 */
{0x80, 0x64, 0x00}, /* 08: VCLK65 */
{0x7B, 0x63, 0x00}, /* 09: VCLK75 */
{0x67, 0x62, 0x00}, /* 0A: VCLK78_75 */
{0x7C, 0x62, 0x00}, /* 0B: VCLK94_5 */
{0x8E, 0x62, 0x00}, /* 0C: VCLK108 */
{0x85, 0x24, 0x00}, /* 0D: VCLK135 */
{0x67, 0x22, 0x00}, /* 0E: VCLK157_5 */
{0x6A, 0x22, 0x00}, /* 0F: VCLK162 */
{0x4d, 0x4c, 0x80}, /* 10: VCLK154 */
{0xa7, 0x78, 0x80}, /* 11: VCLK83.5 */
{0x28, 0x49, 0x80}, /* 12: VCLK106.5 */
{0x37, 0x49, 0x80}, /* 13: VCLK146.25 */
{0x1f, 0x45, 0x80}, /* 14: VCLK148.5 */
};
static struct ast_vbios_stdtable vbios_stdtable[] = {
/* MD_2_3_400 */
{
0x67,
{0x00,0x03,0x00,0x02},
{0x5f,0x4f,0x50,0x82,0x55,0x81,0xbf,0x1f,
0x00,0x4f,0x0d,0x0e,0x00,0x00,0x00,0x00,
0x9c,0x8e,0x8f,0x28,0x1f,0x96,0xb9,0xa3,
0xff},
{0x00,0x01,0x02,0x03,0x04,0x05,0x14,0x07,
0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,
0x0c,0x00,0x0f,0x08},
{0x00,0x00,0x00,0x00,0x00,0x10,0x0e,0x00,
0xff}
},
/* Mode12/ExtEGATable */
{
0xe3,
{0x01,0x0f,0x00,0x06},
{0x5f,0x4f,0x50,0x82,0x55,0x81,0x0b,0x3e,
0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
0xe9,0x8b,0xdf,0x28,0x00,0xe7,0x04,0xe3,
0xff},
{0x00,0x01,0x02,0x03,0x04,0x05,0x14,0x07,
0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,
0x01,0x00,0x0f,0x00},
{0x00,0x00,0x00,0x00,0x00,0x00,0x05,0x0f,
0xff}
},
/* ExtVGATable */
{
0x2f,
{0x01,0x0f,0x00,0x0e},
{0x5f,0x4f,0x50,0x82,0x54,0x80,0x0b,0x3e,
0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
0xea,0x8c,0xdf,0x28,0x40,0xe7,0x04,0xa3,
0xff},
{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,
0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,
0x01,0x00,0x00,0x00},
{0x00,0x00,0x00,0x00,0x00,0x40,0x05,0x0f,
0xff}
},
/* ExtHiCTable */
{
0x2f,
{0x01,0x0f,0x00,0x0e},
{0x5f,0x4f,0x50,0x82,0x54,0x80,0x0b,0x3e,
0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
0xea,0x8c,0xdf,0x28,0x40,0xe7,0x04,0xa3,
0xff},
{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,
0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,
0x01,0x00,0x00,0x00},
{0x00,0x00,0x00,0x00,0x00,0x00,0x05,0x0f,
0xff}
},
/* ExtTrueCTable */
{
0x2f,
{0x01,0x0f,0x00,0x0e},
{0x5f,0x4f,0x50,0x82,0x54,0x80,0x0b,0x3e,
0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
0xea,0x8c,0xdf,0x28,0x40,0xe7,0x04,0xa3,
0xff},
{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,
0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,
0x01,0x00,0x00,0x00},
{0x00,0x00,0x00,0x00,0x00,0x00,0x05,0x0f,
0xff}
},
};
static struct ast_vbios_enhtable res_640x480[] = {
{ 800, 640, 8, 96, 525, 480, 2, 2, VCLK25_175, /* 60Hz */
(SyncNN | HBorder | VBorder | Charx8Dot), 60, 1, 0x2E },
{ 832, 640, 16, 40, 520, 480, 1, 3, VCLK31_5, /* 72Hz */
(SyncNN | HBorder | VBorder | Charx8Dot), 72, 2, 0x2E },
{ 840, 640, 16, 64, 500, 480, 1, 3, VCLK31_5, /* 75Hz */
(SyncNN | Charx8Dot) , 75, 3, 0x2E },
{ 832, 640, 56, 56, 509, 480, 1, 3, VCLK36, /* 85Hz */
(SyncNN | Charx8Dot) , 85, 4, 0x2E },
{ 832, 640, 56, 56, 509, 480, 1, 3, VCLK36, /* end */
(SyncNN | Charx8Dot) , 0xFF, 4, 0x2E },
};
static struct ast_vbios_enhtable res_800x600[] = {
{1024, 800, 24, 72, 625, 600, 1, 2, VCLK36, /* 56Hz */
(SyncPP | Charx8Dot), 56, 1, 0x30 },
{1056, 800, 40, 128, 628, 600, 1, 4, VCLK40, /* 60Hz */
(SyncPP | Charx8Dot), 60, 2, 0x30 },
{1040, 800, 56, 120, 666, 600, 37, 6, VCLK50, /* 72Hz */
(SyncPP | Charx8Dot), 72, 3, 0x30 },
{1056, 800, 16, 80, 625, 600, 1, 3, VCLK49_5, /* 75Hz */
(SyncPP | Charx8Dot), 75, 4, 0x30 },
{1048, 800, 32, 64, 631, 600, 1, 3, VCLK56_25, /* 85Hz */
(SyncPP | Charx8Dot), 84, 5, 0x30 },
{1048, 800, 32, 64, 631, 600, 1, 3, VCLK56_25, /* end */
(SyncPP | Charx8Dot), 0xFF, 5, 0x30 },
};
static struct ast_vbios_enhtable res_1024x768[] = {
{1344, 1024, 24, 136, 806, 768, 3, 6, VCLK65, /* 60Hz */
(SyncNN | Charx8Dot), 60, 1, 0x31 },
{1328, 1024, 24, 136, 806, 768, 3, 6, VCLK75, /* 70Hz */
(SyncNN | Charx8Dot), 70, 2, 0x31 },
{1312, 1024, 16, 96, 800, 768, 1, 3, VCLK78_75, /* 75Hz */
(SyncPP | Charx8Dot), 75, 3, 0x31 },
{1376, 1024, 48, 96, 808, 768, 1, 3, VCLK94_5, /* 85Hz */
(SyncPP | Charx8Dot), 84, 4, 0x31 },
{1376, 1024, 48, 96, 808, 768, 1, 3, VCLK94_5, /* end */
(SyncPP | Charx8Dot), 0xFF, 4, 0x31 },
};
static struct ast_vbios_enhtable res_1280x1024[] = {
{1688, 1280, 48, 112, 1066, 1024, 1, 3, VCLK108, /* 60Hz */
(SyncPP | Charx8Dot), 60, 1, 0x32 },
{1688, 1280, 16, 144, 1066, 1024, 1, 3, VCLK135, /* 75Hz */
(SyncPP | Charx8Dot), 75, 2, 0x32 },
{1728, 1280, 64, 160, 1072, 1024, 1, 3, VCLK157_5, /* 85Hz */
(SyncPP | Charx8Dot), 85, 3, 0x32 },
{1728, 1280, 64, 160, 1072, 1024, 1, 3, VCLK157_5, /* end */
(SyncPP | Charx8Dot), 0xFF, 3, 0x32 },
};
static struct ast_vbios_enhtable res_1600x1200[] = {
{2160, 1600, 64, 192, 1250, 1200, 1, 3, VCLK162, /* 60Hz */
(SyncPP | Charx8Dot), 60, 1, 0x33 },
{2160, 1600, 64, 192, 1250, 1200, 1, 3, VCLK162, /* end */
(SyncPP | Charx8Dot), 0xFF, 1, 0x33 },
};
static struct ast_vbios_enhtable res_1920x1200[] = {
{2080, 1920, 48, 32, 1235, 1200, 3, 6, VCLK154, /* 60Hz */
(SyncNP | Charx8Dot), 60, 1, 0x34 },
{2080, 1920, 48, 32, 1235, 1200, 3, 6, VCLK154, /* 60Hz */
(SyncNP | Charx8Dot), 0xFF, 1, 0x34 },
};
/* 16:10 */
static struct ast_vbios_enhtable res_1280x800[] = {
{1680, 1280, 72,128, 831, 800, 3, 6, VCLK83_5, /* 60Hz */
(SyncPN | Charx8Dot | LineCompareOff | WideScreenMode), 60, 1, 0x35 },
{1680, 1280, 72,128, 831, 800, 3, 6, VCLK83_5, /* 60Hz */
(SyncPN | Charx8Dot | LineCompareOff | WideScreenMode), 0xFF, 1, 0x35 },
};
static struct ast_vbios_enhtable res_1440x900[] = {
{1904, 1440, 80,152, 934, 900, 3, 6, VCLK106_5, /* 60Hz */
(SyncPN | Charx8Dot | LineCompareOff | WideScreenMode), 60, 1, 0x36 },
{1904, 1440, 80,152, 934, 900, 3, 6, VCLK106_5, /* 60Hz */
(SyncPN | Charx8Dot | LineCompareOff | WideScreenMode), 0xFF, 1, 0x36 },
};
static struct ast_vbios_enhtable res_1680x1050[] = {
{2240, 1680,104,176, 1089, 1050, 3, 6, VCLK146_25, /* 60Hz */
(SyncPN | Charx8Dot | LineCompareOff | WideScreenMode), 60, 1, 0x37 },
{2240, 1680,104,176, 1089, 1050, 3, 6, VCLK146_25, /* 60Hz */
(SyncPN | Charx8Dot | LineCompareOff | WideScreenMode), 0xFF, 1, 0x37 },
};
/* HDTV */
static struct ast_vbios_enhtable res_1920x1080[] = {
{2200, 1920, 88, 44, 1125, 1080, 4, 5, VCLK148_5, /* 60Hz */
(SyncNP | Charx8Dot | LineCompareOff | WideScreenMode), 60, 1, 0x38 },
{2200, 1920, 88, 44, 1125, 1080, 4, 5, VCLK148_5, /* 60Hz */
(SyncNP | Charx8Dot | LineCompareOff | WideScreenMode), 0xFF, 1, 0x38 },
};
#endif

447
drivers/gpu/drm/ast/ast_ttm.c Normal file
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/*
* Copyright 2012 Red Hat Inc.
*
* 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, sub license, 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 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
* THE COPYRIGHT HOLDERS, AUTHORS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*/
/*
* Authors: Dave Airlie <airlied@redhat.com>
*/
#include <drm/drmP.h>
#include "ast_drv.h"
#include <ttm/ttm_page_alloc.h>
static inline struct ast_private *
ast_bdev(struct ttm_bo_device *bd)
{
return container_of(bd, struct ast_private, ttm.bdev);
}
static int
ast_ttm_mem_global_init(struct drm_global_reference *ref)
{
return ttm_mem_global_init(ref->object);
}
static void
ast_ttm_mem_global_release(struct drm_global_reference *ref)
{
ttm_mem_global_release(ref->object);
}
static int ast_ttm_global_init(struct ast_private *ast)
{
struct drm_global_reference *global_ref;
int r;
global_ref = &ast->ttm.mem_global_ref;
global_ref->global_type = DRM_GLOBAL_TTM_MEM;
global_ref->size = sizeof(struct ttm_mem_global);
global_ref->init = &ast_ttm_mem_global_init;
global_ref->release = &ast_ttm_mem_global_release;
r = drm_global_item_ref(global_ref);
if (r != 0) {
DRM_ERROR("Failed setting up TTM memory accounting "
"subsystem.\n");
return r;
}
ast->ttm.bo_global_ref.mem_glob =
ast->ttm.mem_global_ref.object;
global_ref = &ast->ttm.bo_global_ref.ref;
global_ref->global_type = DRM_GLOBAL_TTM_BO;
global_ref->size = sizeof(struct ttm_bo_global);
global_ref->init = &ttm_bo_global_init;
global_ref->release = &ttm_bo_global_release;
r = drm_global_item_ref(global_ref);
if (r != 0) {
DRM_ERROR("Failed setting up TTM BO subsystem.\n");
drm_global_item_unref(&ast->ttm.mem_global_ref);
return r;
}
return 0;
}
void
ast_ttm_global_release(struct ast_private *ast)
{
if (ast->ttm.mem_global_ref.release == NULL)
return;
drm_global_item_unref(&ast->ttm.bo_global_ref.ref);
drm_global_item_unref(&ast->ttm.mem_global_ref);
ast->ttm.mem_global_ref.release = NULL;
}
static void ast_bo_ttm_destroy(struct ttm_buffer_object *tbo)
{
struct ast_bo *bo;
bo = container_of(tbo, struct ast_bo, bo);
drm_gem_object_release(&bo->gem);
kfree(bo);
}
bool ast_ttm_bo_is_ast_bo(struct ttm_buffer_object *bo)
{
if (bo->destroy == &ast_bo_ttm_destroy)
return true;
return false;
}
static int
ast_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
struct ttm_mem_type_manager *man)
{
switch (type) {
case TTM_PL_SYSTEM:
man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_MASK_CACHING;
man->default_caching = TTM_PL_FLAG_CACHED;
break;
case TTM_PL_VRAM:
man->func = &ttm_bo_manager_func;
man->flags = TTM_MEMTYPE_FLAG_FIXED |
TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_WC;
man->default_caching = TTM_PL_FLAG_WC;
break;
default:
DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
return -EINVAL;
}
return 0;
}
static void
ast_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl)
{
struct ast_bo *astbo = ast_bo(bo);
if (!ast_ttm_bo_is_ast_bo(bo))
return;
ast_ttm_placement(astbo, TTM_PL_FLAG_SYSTEM);
*pl = astbo->placement;
}
static int ast_bo_verify_access(struct ttm_buffer_object *bo, struct file *filp)
{
return 0;
}
static int ast_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
struct ttm_mem_reg *mem)
{
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
struct ast_private *ast = ast_bdev(bdev);
mem->bus.addr = NULL;
mem->bus.offset = 0;
mem->bus.size = mem->num_pages << PAGE_SHIFT;
mem->bus.base = 0;
mem->bus.is_iomem = false;
if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
return -EINVAL;
switch (mem->mem_type) {
case TTM_PL_SYSTEM:
/* system memory */
return 0;
case TTM_PL_VRAM:
mem->bus.offset = mem->start << PAGE_SHIFT;
mem->bus.base = pci_resource_start(ast->dev->pdev, 0);
mem->bus.is_iomem = true;
break;
default:
return -EINVAL;
break;
}
return 0;
}
static void ast_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
}
static int ast_bo_move(struct ttm_buffer_object *bo,
bool evict, bool interruptible,
bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
int r;
r = ttm_bo_move_memcpy(bo, evict, no_wait_gpu, new_mem);
return r;
}
static void ast_ttm_backend_destroy(struct ttm_tt *tt)
{
ttm_tt_fini(tt);
kfree(tt);
}
static struct ttm_backend_func ast_tt_backend_func = {
.destroy = &ast_ttm_backend_destroy,
};
struct ttm_tt *ast_ttm_tt_create(struct ttm_bo_device *bdev,
unsigned long size, uint32_t page_flags,
struct page *dummy_read_page)
{
struct ttm_tt *tt;
tt = kzalloc(sizeof(struct ttm_tt), GFP_KERNEL);
if (tt == NULL)
return NULL;
tt->func = &ast_tt_backend_func;
if (ttm_tt_init(tt, bdev, size, page_flags, dummy_read_page)) {
kfree(tt);
return NULL;
}
return tt;
}
static int ast_ttm_tt_populate(struct ttm_tt *ttm)
{
return ttm_pool_populate(ttm);
}
static void ast_ttm_tt_unpopulate(struct ttm_tt *ttm)
{
ttm_pool_unpopulate(ttm);
}
struct ttm_bo_driver ast_bo_driver = {
.ttm_tt_create = ast_ttm_tt_create,
.ttm_tt_populate = ast_ttm_tt_populate,
.ttm_tt_unpopulate = ast_ttm_tt_unpopulate,
.init_mem_type = ast_bo_init_mem_type,
.evict_flags = ast_bo_evict_flags,
.move = ast_bo_move,
.verify_access = ast_bo_verify_access,
.io_mem_reserve = &ast_ttm_io_mem_reserve,
.io_mem_free = &ast_ttm_io_mem_free,
};
int ast_mm_init(struct ast_private *ast)
{
int ret;
struct drm_device *dev = ast->dev;
struct ttm_bo_device *bdev = &ast->ttm.bdev;
ret = ast_ttm_global_init(ast);
if (ret)
return ret;
ret = ttm_bo_device_init(&ast->ttm.bdev,
ast->ttm.bo_global_ref.ref.object,
&ast_bo_driver, DRM_FILE_PAGE_OFFSET,
true);
if (ret) {
DRM_ERROR("Error initialising bo driver; %d\n", ret);
return ret;
}
ret = ttm_bo_init_mm(bdev, TTM_PL_VRAM,
ast->vram_size >> PAGE_SHIFT);
if (ret) {
DRM_ERROR("Failed ttm VRAM init: %d\n", ret);
return ret;
}
ast->fb_mtrr = arch_phys_wc_add(pci_resource_start(dev->pdev, 0),
pci_resource_len(dev->pdev, 0));
return 0;
}
void ast_mm_fini(struct ast_private *ast)
{
ttm_bo_device_release(&ast->ttm.bdev);
ast_ttm_global_release(ast);
arch_phys_wc_del(ast->fb_mtrr);
}
void ast_ttm_placement(struct ast_bo *bo, int domain)
{
u32 c = 0;
bo->placement.fpfn = 0;
bo->placement.lpfn = 0;
bo->placement.placement = bo->placements;
bo->placement.busy_placement = bo->placements;
if (domain & TTM_PL_FLAG_VRAM)
bo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM;
if (domain & TTM_PL_FLAG_SYSTEM)
bo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
if (!c)
bo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
bo->placement.num_placement = c;
bo->placement.num_busy_placement = c;
}
int ast_bo_reserve(struct ast_bo *bo, bool no_wait)
{
int ret;
ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0);
if (ret) {
if (ret != -ERESTARTSYS && ret != -EBUSY)
DRM_ERROR("reserve failed %p\n", bo);
return ret;
}
return 0;
}
void ast_bo_unreserve(struct ast_bo *bo)
{
ttm_bo_unreserve(&bo->bo);
}
int ast_bo_create(struct drm_device *dev, int size, int align,
uint32_t flags, struct ast_bo **pastbo)
{
struct ast_private *ast = dev->dev_private;
struct ast_bo *astbo;
size_t acc_size;
int ret;
astbo = kzalloc(sizeof(struct ast_bo), GFP_KERNEL);
if (!astbo)
return -ENOMEM;
ret = drm_gem_object_init(dev, &astbo->gem, size);
if (ret) {
kfree(astbo);
return ret;
}
astbo->gem.driver_private = NULL;
astbo->bo.bdev = &ast->ttm.bdev;
astbo->bo.bdev->dev_mapping = dev->dev_mapping;
ast_ttm_placement(astbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);
acc_size = ttm_bo_dma_acc_size(&ast->ttm.bdev, size,
sizeof(struct ast_bo));
ret = ttm_bo_init(&ast->ttm.bdev, &astbo->bo, size,
ttm_bo_type_device, &astbo->placement,
align >> PAGE_SHIFT, false, NULL, acc_size,
NULL, ast_bo_ttm_destroy);
if (ret)
return ret;
*pastbo = astbo;
return 0;
}
static inline u64 ast_bo_gpu_offset(struct ast_bo *bo)
{
return bo->bo.offset;
}
int ast_bo_pin(struct ast_bo *bo, u32 pl_flag, u64 *gpu_addr)
{
int i, ret;
if (bo->pin_count) {
bo->pin_count++;
if (gpu_addr)
*gpu_addr = ast_bo_gpu_offset(bo);
}
ast_ttm_placement(bo, pl_flag);
for (i = 0; i < bo->placement.num_placement; i++)
bo->placements[i] |= TTM_PL_FLAG_NO_EVICT;
ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false);
if (ret)
return ret;
bo->pin_count = 1;
if (gpu_addr)
*gpu_addr = ast_bo_gpu_offset(bo);
return 0;
}
int ast_bo_unpin(struct ast_bo *bo)
{
int i, ret;
if (!bo->pin_count) {
DRM_ERROR("unpin bad %p\n", bo);
return 0;
}
bo->pin_count--;
if (bo->pin_count)
return 0;
for (i = 0; i < bo->placement.num_placement ; i++)
bo->placements[i] &= ~TTM_PL_FLAG_NO_EVICT;
ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false);
if (ret)
return ret;
return 0;
}
int ast_bo_push_sysram(struct ast_bo *bo)
{
int i, ret;
if (!bo->pin_count) {
DRM_ERROR("unpin bad %p\n", bo);
return 0;
}
bo->pin_count--;
if (bo->pin_count)
return 0;
if (bo->kmap.virtual)
ttm_bo_kunmap(&bo->kmap);
ast_ttm_placement(bo, TTM_PL_FLAG_SYSTEM);
for (i = 0; i < bo->placement.num_placement ; i++)
bo->placements[i] |= TTM_PL_FLAG_NO_EVICT;
ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false);
if (ret) {
DRM_ERROR("pushing to VRAM failed\n");
return ret;
}
return 0;
}
int ast_mmap(struct file *filp, struct vm_area_struct *vma)
{
struct drm_file *file_priv;
struct ast_private *ast;
if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
return drm_mmap(filp, vma);
file_priv = filp->private_data;
ast = file_priv->minor->dev->dev_private;
return ttm_bo_mmap(filp, vma, &ast->ttm.bdev);
}