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13#ifndef __MGAG200_DRV_H__
14#define __MGAG200_DRV_H__
15
16#include <video/vga.h>
17
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>
24
25#include <drm/drm_gem.h>
26
27#include <linux/i2c.h>
28#include <linux/i2c-algo-bit.h>
29
30#include "mgag200_reg.h"
31
32#define DRIVER_AUTHOR "Matthew Garrett"
33
34#define DRIVER_NAME "mgag200"
35#define DRIVER_DESC "MGA G200 SE"
36#define DRIVER_DATE "20110418"
37
38#define DRIVER_MAJOR 1
39#define DRIVER_MINOR 0
40#define DRIVER_PATCHLEVEL 0
41
42#define MGAG200FB_CONN_LIMIT 1
43
44#define RREG8(reg) ioread8(((void __iomem *)mdev->rmmio) + (reg))
45#define WREG8(reg, v) iowrite8(v, ((void __iomem *)mdev->rmmio) + (reg))
46#define RREG32(reg) ioread32(((void __iomem *)mdev->rmmio) + (reg))
47#define WREG32(reg, v) iowrite32(v, ((void __iomem *)mdev->rmmio) + (reg))
48
49#define ATTR_INDEX 0x1fc0
50#define ATTR_DATA 0x1fc1
51
52#define WREG_ATTR(reg, v) \
53 do { \
54 RREG8(0x1fda); \
55 WREG8(ATTR_INDEX, reg); \
56 WREG8(ATTR_DATA, v); \
57 } while (0) \
58
59#define WREG_SEQ(reg, v) \
60 do { \
61 WREG8(MGAREG_SEQ_INDEX, reg); \
62 WREG8(MGAREG_SEQ_DATA, v); \
63 } while (0) \
64
65#define WREG_CRT(reg, v) \
66 do { \
67 WREG8(MGAREG_CRTC_INDEX, reg); \
68 WREG8(MGAREG_CRTC_DATA, v); \
69 } while (0) \
70
71
72#define WREG_ECRT(reg, v) \
73 do { \
74 WREG8(MGAREG_CRTCEXT_INDEX, reg); \
75 WREG8(MGAREG_CRTCEXT_DATA, v); \
76 } while (0) \
77
78#define GFX_INDEX 0x1fce
79#define GFX_DATA 0x1fcf
80
81#define WREG_GFX(reg, v) \
82 do { \
83 WREG8(GFX_INDEX, reg); \
84 WREG8(GFX_DATA, v); \
85 } while (0) \
86
87#define DAC_INDEX 0x3c00
88#define DAC_DATA 0x3c0a
89
90#define WREG_DAC(reg, v) \
91 do { \
92 WREG8(DAC_INDEX, reg); \
93 WREG8(DAC_DATA, v); \
94 } while (0) \
95
96#define MGA_MISC_OUT 0x1fc2
97#define MGA_MISC_IN 0x1fcc
98
99#define MGAG200_MAX_FB_HEIGHT 4096
100#define MGAG200_MAX_FB_WIDTH 4096
101
102#define MATROX_DPMS_CLEARED (-1)
103
104#define to_mga_crtc(x) container_of(x, struct mga_crtc, base)
105#define to_mga_encoder(x) container_of(x, struct mga_encoder, base)
106#define to_mga_connector(x) container_of(x, struct mga_connector, base)
107#define to_mga_framebuffer(x) container_of(x, struct mga_framebuffer, base)
108
109struct mga_framebuffer {
110 struct drm_framebuffer base;
111 struct drm_gem_object *obj;
112};
113
114struct mga_fbdev {
115 struct drm_fb_helper helper;
116 struct mga_framebuffer mfb;
117 void *sysram;
118 int size;
119 struct ttm_bo_kmap_obj mapping;
120 int x1, y1, x2, y2;
121 spinlock_t dirty_lock;
122};
123
124struct mga_crtc {
125 struct drm_crtc base;
126 u8 lut_r[256], lut_g[256], lut_b[256];
127 int last_dpms;
128 bool enabled;
129};
130
131struct mga_mode_info {
132 bool mode_config_initialized;
133 struct mga_crtc *crtc;
134};
135
136struct mga_encoder {
137 struct drm_encoder base;
138 int last_dpms;
139};
140
141
142struct mga_i2c_chan {
143 struct i2c_adapter adapter;
144 struct drm_device *dev;
145 struct i2c_algo_bit_data bit;
146 int data, clock;
147};
148
149struct mga_connector {
150 struct drm_connector base;
151 struct mga_i2c_chan *i2c;
152};
153
154struct mga_cursor {
155
156
157
158
159
160
161 struct mgag200_bo *pixels_1;
162 struct mgag200_bo *pixels_2;
163 u64 pixels_1_gpu_addr, pixels_2_gpu_addr;
164
165 struct mgag200_bo *pixels_current;
166
167 struct mgag200_bo *pixels_prev;
168};
169
170struct mga_mc {
171 resource_size_t vram_size;
172 resource_size_t vram_base;
173 resource_size_t vram_window;
174};
175
176enum mga_type {
177 G200_SE_A,
178 G200_SE_B,
179 G200_WB,
180 G200_EV,
181 G200_EH,
182 G200_ER,
183 G200_EW3,
184};
185
186#define IS_G200_SE(mdev) (mdev->type == G200_SE_A || mdev->type == G200_SE_B)
187
188struct mga_device {
189 struct drm_device *dev;
190 unsigned long flags;
191
192 resource_size_t rmmio_base;
193 resource_size_t rmmio_size;
194 void __iomem *rmmio;
195
196 struct mga_mc mc;
197 struct mga_mode_info mode_info;
198
199 struct mga_fbdev *mfbdev;
200 struct mga_cursor cursor;
201
202 bool suspended;
203 int num_crtc;
204 enum mga_type type;
205 int has_sdram;
206 struct drm_display_mode mode;
207
208 int bpp_shifts[4];
209
210 int fb_mtrr;
211
212 struct {
213 struct drm_global_reference mem_global_ref;
214 struct ttm_bo_global_ref bo_global_ref;
215 struct ttm_bo_device bdev;
216 } ttm;
217
218
219 u32 unique_rev_id;
220};
221
222
223struct mgag200_bo {
224 struct ttm_buffer_object bo;
225 struct ttm_placement placement;
226 struct ttm_bo_kmap_obj kmap;
227 struct drm_gem_object gem;
228 struct ttm_place placements[3];
229 int pin_count;
230};
231#define gem_to_mga_bo(gobj) container_of((gobj), struct mgag200_bo, gem)
232
233static inline struct mgag200_bo *
234mgag200_bo(struct ttm_buffer_object *bo)
235{
236 return container_of(bo, struct mgag200_bo, bo);
237}
238
239void mga_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
240 u16 blue, int regno);
241void mga_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
242 u16 *blue, int regno);
243
244
245int mgag200_modeset_init(struct mga_device *mdev);
246void mgag200_modeset_fini(struct mga_device *mdev);
247
248
249int mgag200_fbdev_init(struct mga_device *mdev);
250void mgag200_fbdev_fini(struct mga_device *mdev);
251
252
253int mgag200_framebuffer_init(struct drm_device *dev,
254 struct mga_framebuffer *mfb,
255 const struct drm_mode_fb_cmd2 *mode_cmd,
256 struct drm_gem_object *obj);
257
258
259int mgag200_driver_load(struct drm_device *dev, unsigned long flags);
260int mgag200_driver_unload(struct drm_device *dev);
261int mgag200_gem_create(struct drm_device *dev,
262 u32 size, bool iskernel,
263 struct drm_gem_object **obj);
264int mgag200_dumb_create(struct drm_file *file,
265 struct drm_device *dev,
266 struct drm_mode_create_dumb *args);
267void mgag200_gem_free_object(struct drm_gem_object *obj);
268int
269mgag200_dumb_mmap_offset(struct drm_file *file,
270 struct drm_device *dev,
271 uint32_t handle,
272 uint64_t *offset);
273
274struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev);
275void mgag200_i2c_destroy(struct mga_i2c_chan *i2c);
276
277#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
278void mgag200_ttm_placement(struct mgag200_bo *bo, int domain);
279
280static inline int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait)
281{
282 int ret;
283
284 ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, NULL);
285 if (ret) {
286 if (ret != -ERESTARTSYS && ret != -EBUSY)
287 DRM_ERROR("reserve failed %p\n", bo);
288 return ret;
289 }
290 return 0;
291}
292
293static inline void mgag200_bo_unreserve(struct mgag200_bo *bo)
294{
295 ttm_bo_unreserve(&bo->bo);
296}
297
298int mgag200_bo_create(struct drm_device *dev, int size, int align,
299 uint32_t flags, struct mgag200_bo **pastbo);
300int mgag200_mm_init(struct mga_device *mdev);
301void mgag200_mm_fini(struct mga_device *mdev);
302int mgag200_mmap(struct file *filp, struct vm_area_struct *vma);
303int mgag200_bo_pin(struct mgag200_bo *bo, u32 pl_flag, u64 *gpu_addr);
304int mgag200_bo_unpin(struct mgag200_bo *bo);
305int mgag200_bo_push_sysram(struct mgag200_bo *bo);
306
307int mga_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
308 uint32_t handle, uint32_t width, uint32_t height);
309int mga_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
310
311#endif
312
