/* * 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 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); static inline 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; } static inline void ast_bo_unreserve(struct ast_bo *bo) { ttm_bo_unreserve(&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