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-rw-r--r--drivers/gpu/drm/ast/Kconfig15
-rw-r--r--drivers/gpu/drm/ast/Makefile9
-rw-r--r--drivers/gpu/drm/ast/ast_dram_tables.h144
-rw-r--r--drivers/gpu/drm/ast/ast_drv.c242
-rw-r--r--drivers/gpu/drm/ast/ast_drv.h356
-rw-r--r--drivers/gpu/drm/ast/ast_fb.c341
-rw-r--r--drivers/gpu/drm/ast/ast_main.c527
-rw-r--r--drivers/gpu/drm/ast/ast_mode.c1160
-rw-r--r--drivers/gpu/drm/ast/ast_post.c1780
-rw-r--r--drivers/gpu/drm/ast/ast_tables.h265
-rw-r--r--drivers/gpu/drm/ast/ast_ttm.c453
11 files changed, 5292 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/Kconfig b/drivers/gpu/drm/ast/Kconfig
new file mode 100644
index 000000000000..e43ff8dc0320
--- /dev/null
+++ b/drivers/gpu/drm/ast/Kconfig
@@ -0,0 +1,15 @@
+config DRM_AST
+ tristate "AST server chips"
+ depends on DRM && PCI && EXPERIMENTAL
+ select DRM_TTM
+ select FB_SYS_COPYAREA
+ select FB_SYS_FILLRECT
+ select FB_SYS_IMAGEBLIT
+ select DRM_KMS_HELPER
+ 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.
+
diff --git a/drivers/gpu/drm/ast/Makefile b/drivers/gpu/drm/ast/Makefile
new file mode 100644
index 000000000000..8df4f284ee24
--- /dev/null
+++ b/drivers/gpu/drm/ast/Makefile
@@ -0,0 +1,9 @@
+#
+# 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 \ No newline at end of file
diff --git a/drivers/gpu/drm/ast/ast_dram_tables.h b/drivers/gpu/drm/ast/ast_dram_tables.h
new file mode 100644
index 000000000000..cc04539c0ff3
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_dram_tables.h
@@ -0,0 +1,144 @@
+#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
diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
new file mode 100644
index 000000000000..b56eac6b155f
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -0,0 +1,242 @@
+/*
+ * 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 "drmP.h"
+#include "drm.h"
+#include "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 __devinit
+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);
+ mutex_lock(&dev->mode_config.mutex);
+ drm_helper_resume_force_mode(dev);
+ mutex_unlock(&dev->mode_config.mutex);
+
+ 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,
+ .fasync = drm_fasync,
+ .read = drm_read,
+};
+
+static struct drm_driver driver = {
+ .driver_features = DRIVER_USE_MTRR | 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_init_object = ast_gem_init_object,
+ .gem_free_object = ast_gem_free_object,
+ .dumb_create = ast_dumb_create,
+ .dumb_map_offset = ast_dumb_mmap_offset,
+ .dumb_destroy = ast_dumb_destroy,
+
+};
+
+static int __init ast_init(void)
+{
+ if (vgacon_text_force() && ast_modeset == -1)
+ return -EINVAL;
+
+ 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");
+
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
new file mode 100644
index 000000000000..d4af9edcbb97
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -0,0 +1,356 @@
+/*
+ * 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_fb_helper.h"
+
+#include "ttm/ttm_bo_api.h"
+#include "ttm/ttm_bo_driver.h"
+#include "ttm/ttm_placement.h"
+#include "ttm/ttm_memory.h"
+#include "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;
+ atomic_t validate_sequence;
+ } ttm;
+
+ struct drm_gem_object *cursor_cache;
+ uint64_t cursor_cache_gpu_addr;
+ 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_mask(ast, AST_IO_CRTC_PORT, 0xA1, 0xFF, 0x04);
+}
+
+#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;
+};
+
+#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 int ast_dumb_destroy(struct drm_file *file,
+ struct drm_device *dev,
+ uint32_t handle);
+
+extern int ast_gem_init_object(struct drm_gem_object *obj);
+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
diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
new file mode 100644
index 000000000000..2fc8e9e860b1
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -0,0 +1,341 @@
+/*
+ * 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 "drmP.h"
+#include "drm.h"
+#include "drm_crtc.h"
+#include "drm_fb_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;
+
+ obj = afbdev->afb.obj;
+ bo = gem_to_ast_bo(obj);
+
+ ret = ast_bo_reserve(bo, true);
+ if (ret) {
+ DRM_ERROR("failed to reserve fb bo\n");
+ return;
+ }
+
+ 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 < y + height; 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, width * 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 ast_fbdev *afbdev,
+ struct drm_fb_helper_surface_size *sizes)
+{
+ 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 int ast_find_or_create_single(struct drm_fb_helper *helper,
+ struct drm_fb_helper_surface_size *sizes)
+{
+ struct ast_fbdev *afbdev = (struct ast_fbdev *)helper;
+ int new_fb = 0;
+ int ret;
+
+ if (!helper->fb) {
+ ret = astfb_create(afbdev, sizes);
+ if (ret)
+ return ret;
+ new_fb = 1;
+ }
+ return new_fb;
+}
+
+static struct drm_fb_helper_funcs ast_fb_helper_funcs = {
+ .gamma_set = ast_fb_gamma_set,
+ .gamma_get = ast_fb_gamma_get,
+ .fb_probe = ast_find_or_create_single,
+};
+
+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