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10#ifndef __MGAG200_DRV_H__
11#define __MGAG200_DRV_H__
12
13#include <video/vga.h>
14
15#include <drm/drm_encoder.h>
16#include <drm/drm_fb_helper.h>
17#include <drm/ttm/ttm_bo_api.h>
18#include <drm/ttm/ttm_bo_driver.h>
19#include <drm/ttm/ttm_placement.h>
20#include <drm/ttm/ttm_memory.h>
21#include <drm/ttm/ttm_module.h>
22
23#include <drm/drm_gem.h>
24
25#include <linux/i2c.h>
26#include <linux/i2c-algo-bit.h>
27
28#include "mgag200_reg.h"
29
30#define DRIVER_AUTHOR "Matthew Garrett"
31
32#define DRIVER_NAME "mgag200"
33#define DRIVER_DESC "MGA G200 SE"
34#define DRIVER_DATE "20110418"
35
36#define DRIVER_MAJOR 1
37#define DRIVER_MINOR 0
38#define DRIVER_PATCHLEVEL 0
39
40#define MGAG200FB_CONN_LIMIT 1
41
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))
46
47#define ATTR_INDEX 0x1fc0
48#define ATTR_DATA 0x1fc1
49
50#define WREG_ATTR(reg, v) \
51 do { \
52 RREG8(0x1fda); \
53 WREG8(ATTR_INDEX, reg); \
54 WREG8(ATTR_DATA, v); \
55 } while (0) \
56
57#define WREG_SEQ(reg, v) \
58 do { \
59 WREG8(MGAREG_SEQ_INDEX, reg); \
60 WREG8(MGAREG_SEQ_DATA, v); \
61 } while (0) \
62
63#define WREG_CRT(reg, v) \
64 do { \
65 WREG8(MGAREG_CRTC_INDEX, reg); \
66 WREG8(MGAREG_CRTC_DATA, v); \
67 } while (0) \
68
69
70#define WREG_ECRT(reg, v) \
71 do { \
72 WREG8(MGAREG_CRTCEXT_INDEX, reg); \
73 WREG8(MGAREG_CRTCEXT_DATA, v); \
74 } while (0) \
75
76#define GFX_INDEX 0x1fce
77#define GFX_DATA 0x1fcf
78
79#define WREG_GFX(reg, v) \
80 do { \
81 WREG8(GFX_INDEX, reg); \
82 WREG8(GFX_DATA, v); \
83 } while (0) \
84
85#define DAC_INDEX 0x3c00
86#define DAC_DATA 0x3c0a
87
88#define WREG_DAC(reg, v) \
89 do { \
90 WREG8(DAC_INDEX, reg); \
91 WREG8(DAC_DATA, v); \
92 } while (0) \
93
94#define MGA_MISC_OUT 0x1fc2
95#define MGA_MISC_IN 0x1fcc
96
97#define MGAG200_MAX_FB_HEIGHT 4096
98#define MGAG200_MAX_FB_WIDTH 4096
99
100#define MATROX_DPMS_CLEARED (-1)
101
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)
106
107struct mga_framebuffer {
108 struct drm_framebuffer base;
109 struct drm_gem_object *obj;
110};
111
112struct mga_fbdev {
113 struct drm_fb_helper helper;
114 struct mga_framebuffer mfb;
115 void *sysram;
116 int size;
117 struct ttm_bo_kmap_obj mapping;
118 int x1, y1, x2, y2;
119 spinlock_t dirty_lock;
120};
121
122struct mga_crtc {
123 struct drm_crtc base;
124 u8 lut_r[256], lut_g[256], lut_b[256];
125 int last_dpms;
126 bool enabled;
127};
128
129struct mga_mode_info {
130 bool mode_config_initialized;
131 struct mga_crtc *crtc;
132};
133
134struct mga_encoder {
135 struct drm_encoder base;
136 int last_dpms;
137};
138
139
140struct mga_i2c_chan {
141 struct i2c_adapter adapter;
142 struct drm_device *dev;
143 struct i2c_algo_bit_data bit;
144 int data, clock;
145};
146
147struct mga_connector {
148 struct drm_connector base;
149 struct mga_i2c_chan *i2c;
150};
151
152struct mga_cursor {
153
154
155
156
157
158
159 struct mgag200_bo *pixels_1;
160 struct mgag200_bo *pixels_2;
161 u64 pixels_1_gpu_addr, pixels_2_gpu_addr;
162
163 struct mgag200_bo *pixels_current;
164
165 struct mgag200_bo *pixels_prev;
166};
167
168struct mga_mc {
169 resource_size_t vram_size;
170 resource_size_t vram_base;
171 resource_size_t vram_window;
172};
173
174enum mga_type {
175 G200_SE_A,
176 G200_SE_B,
177 G200_WB,
178 G200_EV,
179 G200_EH,
180 G200_EH3,
181 G200_ER,
182 G200_EW3,
183};
184
185#define IS_G200_SE(mdev) (mdev->type == G200_SE_A || mdev->type == G200_SE_B)
186
187struct mga_device {
188 struct drm_device *dev;
189 unsigned long flags;
190
191 resource_size_t rmmio_base;
192 resource_size_t rmmio_size;
193 void __iomem *rmmio;
194
195 struct mga_mc mc;
196 struct mga_mode_info mode_info;
197
198 struct mga_fbdev *mfbdev;
199 struct mga_cursor cursor;
200
201 bool suspended;
202 int num_crtc;
203 enum mga_type type;
204 int has_sdram;
205 struct drm_display_mode mode;
206
207 int bpp_shifts[4];
208
209 int fb_mtrr;
210
211 struct {
212 struct ttm_bo_device bdev;
213 } ttm;
214
215
216 u32 unique_rev_id;
217};
218
219
220struct mgag200_bo {
221 struct ttm_buffer_object bo;
222 struct ttm_placement placement;
223 struct ttm_bo_kmap_obj kmap;
224 struct drm_gem_object gem;
225 struct ttm_place placements[3];
226 int pin_count;
227};
228#define gem_to_mga_bo(gobj) container_of((gobj), struct mgag200_bo, gem)
229
230static inline struct mgag200_bo *
231mgag200_bo(struct ttm_buffer_object *bo)
232{
233 return container_of(bo, struct mgag200_bo, bo);
234}
235
236
237int mgag200_modeset_init(struct mga_device *mdev);
238void mgag200_modeset_fini(struct mga_device *mdev);
239
240
241int mgag200_fbdev_init(struct mga_device *mdev);
242void mgag200_fbdev_fini(struct mga_device *mdev);
243
244
245int mgag200_framebuffer_init(struct drm_device *dev,
246 struct mga_framebuffer *mfb,
247 const struct drm_mode_fb_cmd2 *mode_cmd,
248 struct drm_gem_object *obj);
249
250
251int mgag200_driver_load(struct drm_device *dev, unsigned long flags);
252void mgag200_driver_unload(struct drm_device *dev);
253int mgag200_gem_create(struct drm_device *dev,
254 u32 size, bool iskernel,
255 struct drm_gem_object **obj);
256int mgag200_dumb_create(struct drm_file *file,
257 struct drm_device *dev,
258 struct drm_mode_create_dumb *args);
259void mgag200_gem_free_object(struct drm_gem_object *obj);
260int
261mgag200_dumb_mmap_offset(struct drm_file *file,
262 struct drm_device *dev,
263 uint32_t handle,
264 uint64_t *offset);
265
266struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev);
267void mgag200_i2c_destroy(struct mga_i2c_chan *i2c);
268
269void mgag200_ttm_placement(struct mgag200_bo *bo, int domain);
270
271static inline int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait)
272{
273 int ret;
274
275 ret = ttm_bo_reserve(&bo->bo, true, no_wait, NULL);
276 if (ret) {
277 if (ret != -ERESTARTSYS && ret != -EBUSY)
278 DRM_ERROR("reserve failed %p\n", bo);
279 return ret;
280 }
281 return 0;
282}
283
284static inline void mgag200_bo_unreserve(struct mgag200_bo *bo)
285{
286 ttm_bo_unreserve(&bo->bo);
287}
288
289int mgag200_bo_create(struct drm_device *dev, int size, int align,
290 uint32_t flags, struct mgag200_bo **pastbo);
291int mgag200_mm_init(struct mga_device *mdev);
292void mgag200_mm_fini(struct mga_device *mdev);
293int mgag200_mmap(struct file *filp, struct vm_area_struct *vma);
294int mgag200_bo_pin(struct mgag200_bo *bo, u32 pl_flag, u64 *gpu_addr);
295int mgag200_bo_unpin(struct mgag200_bo *bo);
296int mgag200_bo_push_sysram(struct mgag200_bo *bo);
297
298int mga_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
299 uint32_t handle, uint32_t width, uint32_t height);
300int mga_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
301
302#endif
303
