2 * Copyright 2010 Matt Turner.
3 * Copyright 2012 Red Hat
5 * This file is subject to the terms and conditions of the GNU General
6 * Public License version 2. See the file COPYING in the main
7 * directory of this archive for more details.
9 * Authors: Matthew Garrett
13 #ifndef __MGAG200_DRV_H__
14 #define __MGAG200_DRV_H__
16 #include <video/vga.h>
18 #include <drm/drm_fb_helper.h>
19 #include <drm/ttm/ttm_bo_api.h>
20 #include <drm/ttm/ttm_bo_driver.h>
21 #include <drm/ttm/ttm_placement.h>
22 #include <drm/ttm/ttm_memory.h>
23 #include <drm/ttm/ttm_module.h>
25 #include <linux/i2c.h>
26 #include <linux/i2c-algo-bit.h>
28 #include "mgag200_reg.h"
30 #define DRIVER_AUTHOR "Matthew Garrett"
32 #define DRIVER_NAME "mgag200"
33 #define DRIVER_DESC "MGA G200 SE"
34 #define DRIVER_DATE "20110418"
36 #define DRIVER_MAJOR 1
37 #define DRIVER_MINOR 0
38 #define DRIVER_PATCHLEVEL 0
40 #define MGAG200FB_CONN_LIMIT 1
42 #define RREG8(reg) ioread8(((void __iomem *)mdev->rmmio) + (reg))
43 #define WREG8(reg, v) iowrite8(v, ((void __iomem *)mdev->rmmio) + (reg))
44 #define RREG32(reg) ioread32(((void __iomem *)mdev->rmmio) + (reg))
45 #define WREG32(reg, v) iowrite32(v, ((void __iomem *)mdev->rmmio) + (reg))
47 #define ATTR_INDEX 0x1fc0
48 #define ATTR_DATA 0x1fc1
50 #define WREG_ATTR(reg, v) \
53 WREG8(ATTR_INDEX, reg); \
54 WREG8(ATTR_DATA, v); \
57 #define WREG_SEQ(reg, v) \
59 WREG8(MGAREG_SEQ_INDEX, reg); \
60 WREG8(MGAREG_SEQ_DATA, v); \
63 #define WREG_CRT(reg, v) \
65 WREG8(MGAREG_CRTC_INDEX, reg); \
66 WREG8(MGAREG_CRTC_DATA, v); \
70 #define WREG_ECRT(reg, v) \
72 WREG8(MGAREG_CRTCEXT_INDEX, reg); \
73 WREG8(MGAREG_CRTCEXT_DATA, v); \
76 #define GFX_INDEX 0x1fce
77 #define GFX_DATA 0x1fcf
79 #define WREG_GFX(reg, v) \
81 WREG8(GFX_INDEX, reg); \
85 #define DAC_INDEX 0x3c00
86 #define DAC_DATA 0x3c0a
88 #define WREG_DAC(reg, v) \
90 WREG8(DAC_INDEX, reg); \
94 #define MGA_MISC_OUT 0x1fc2
95 #define MGA_MISC_IN 0x1fcc
97 #define MGAG200_MAX_FB_HEIGHT 4096
98 #define MGAG200_MAX_FB_WIDTH 4096
100 #define MATROX_DPMS_CLEARED (-1)
102 #define to_mga_crtc(x) container_of(x, struct mga_crtc, base)
103 #define to_mga_encoder(x) container_of(x, struct mga_encoder, base)
104 #define to_mga_connector(x) container_of(x, struct mga_connector, base)
105 #define to_mga_framebuffer(x) container_of(x, struct mga_framebuffer, base)
107 struct mga_framebuffer {
108 struct drm_framebuffer base;
109 struct drm_gem_object *obj;
113 struct drm_fb_helper helper;
114 struct mga_framebuffer mfb;
117 struct ttm_bo_kmap_obj mapping;
118 int x1, y1, x2, y2; /* dirty rect */
119 spinlock_t dirty_lock;
123 struct drm_crtc base;
124 u8 lut_r[256], lut_g[256], lut_b[256];
129 struct mga_mode_info {
130 bool mode_config_initialized;
131 struct mga_crtc *crtc;
135 struct drm_encoder base;
140 struct mga_i2c_chan {
141 struct i2c_adapter adapter;
142 struct drm_device *dev;
143 struct i2c_algo_bit_data bit;
147 struct mga_connector {
148 struct drm_connector base;
149 struct mga_i2c_chan *i2c;
154 We have to have 2 buffers for the cursor to avoid occasional
155 corruption while switching cursor icons.
156 If either of these is NULL, then don't do hardware cursors, and
157 fall back to software.
159 struct mgag200_bo *pixels_1;
160 struct mgag200_bo *pixels_2;
161 u64 pixels_1_gpu_addr, pixels_2_gpu_addr;
162 /* The currently displayed icon, this points to one of pixels_1, or pixels_2 */
163 struct mgag200_bo *pixels_current;
164 /* The previously displayed icon */
165 struct mgag200_bo *pixels_prev;
169 resource_size_t vram_size;
170 resource_size_t vram_base;
171 resource_size_t vram_window;
183 #define IS_G200_SE(mdev) (mdev->type == G200_SE_A || mdev->type == G200_SE_B)
186 struct drm_device *dev;
189 resource_size_t rmmio_base;
190 resource_size_t rmmio_size;
193 drm_local_map_t *framebuffer;
196 struct mga_mode_info mode_info;
198 struct mga_fbdev *mfbdev;
199 struct mga_cursor cursor;
205 struct drm_display_mode mode;
212 struct drm_global_reference mem_global_ref;
213 struct ttm_bo_global_ref bo_global_ref;
214 struct ttm_bo_device bdev;
217 u32 reg_1e24; /* SE model number */
222 struct ttm_buffer_object bo;
223 struct ttm_placement placement;
224 struct ttm_bo_kmap_obj kmap;
225 struct drm_gem_object gem;
229 #define gem_to_mga_bo(gobj) container_of((gobj), struct mgag200_bo, gem)
231 static inline struct mgag200_bo *
232 mgag200_bo(struct ttm_buffer_object *bo)
234 return container_of(bo, struct mgag200_bo, bo);
237 void mga_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
238 u16 blue, int regno);
239 void mga_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
240 u16 *blue, int regno);
243 int mgag200_modeset_init(struct mga_device *mdev);
244 void mgag200_modeset_fini(struct mga_device *mdev);
247 int mgag200_fbdev_init(struct mga_device *mdev);
248 void mgag200_fbdev_fini(struct mga_device *mdev);
251 int mgag200_framebuffer_init(struct drm_device *dev,
252 struct mga_framebuffer *mfb,
253 struct drm_mode_fb_cmd2 *mode_cmd,
254 struct drm_gem_object *obj);
257 int mgag200_driver_load(struct drm_device *dev, unsigned long flags);
258 int mgag200_driver_unload(struct drm_device *dev);
259 int mgag200_gem_create(struct drm_device *dev,
260 u32 size, bool iskernel,
261 struct drm_gem_object **obj);
262 int mgag200_gem_init_object(struct drm_gem_object *obj);
263 int mgag200_dumb_create(struct drm_file *file,
264 struct drm_device *dev,
265 struct drm_mode_create_dumb *args);
266 int mgag200_dumb_destroy(struct drm_file *file,
267 struct drm_device *dev,
269 void mgag200_gem_free_object(struct drm_gem_object *obj);
271 mgag200_dumb_mmap_offset(struct drm_file *file,
272 struct drm_device *dev,
276 struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev);
277 void mgag200_i2c_destroy(struct mga_i2c_chan *i2c);
279 #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
280 void mgag200_ttm_placement(struct mgag200_bo *bo, int domain);
282 int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait);
283 void mgag200_bo_unreserve(struct mgag200_bo *bo);
284 int mgag200_bo_create(struct drm_device *dev, int size, int align,
285 uint32_t flags, struct mgag200_bo **pastbo);
286 int mgag200_mm_init(struct mga_device *mdev);
287 void mgag200_mm_fini(struct mga_device *mdev);
288 int mgag200_mmap(struct file *filp, struct vm_area_struct *vma);
289 int mgag200_bo_pin(struct mgag200_bo *bo, u32 pl_flag, u64 *gpu_addr);
290 int mgag200_bo_unpin(struct mgag200_bo *bo);
291 int mgag200_bo_push_sysram(struct mgag200_bo *bo);
292 /* mgag200_cursor.c */
293 int mga_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
294 uint32_t handle, uint32_t width, uint32_t height);
295 int mga_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
297 #endif /* __MGAG200_DRV_H__ */