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312fec14 DA |
1 | /* |
2 | * Copyright 2012 Red Hat Inc. | |
3 | * Parts based on xf86-video-ast | |
4 | * Copyright (c) 2005 ASPEED Technology Inc. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the | |
8 | * "Software"), to deal in the Software without restriction, including | |
9 | * without limitation the rights to use, copy, modify, merge, publish, | |
10 | * distribute, sub license, and/or sell copies of the Software, and to | |
11 | * permit persons to whom the Software is furnished to do so, subject to | |
12 | * the following conditions: | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, | |
18 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | |
19 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | |
20 | * USE OR OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | * The above copyright notice and this permission notice (including the | |
23 | * next paragraph) shall be included in all copies or substantial portions | |
24 | * of the Software. | |
25 | * | |
26 | */ | |
27 | /* | |
28 | * Authors: Dave Airlie <airlied@redhat.com> | |
29 | */ | |
30 | #include <linux/export.h> | |
760285e7 DH |
31 | #include <drm/drmP.h> |
32 | #include <drm/drm_crtc.h> | |
33 | #include <drm/drm_crtc_helper.h> | |
3cb9ae4f | 34 | #include <drm/drm_plane_helper.h> |
312fec14 DA |
35 | #include "ast_drv.h" |
36 | ||
37 | #include "ast_tables.h" | |
38 | ||
39 | static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); | |
40 | static void ast_i2c_destroy(struct ast_i2c_chan *i2c); | |
41 | static int ast_cursor_set(struct drm_crtc *crtc, | |
42 | struct drm_file *file_priv, | |
43 | uint32_t handle, | |
44 | uint32_t width, | |
45 | uint32_t height); | |
46 | static int ast_cursor_move(struct drm_crtc *crtc, | |
47 | int x, int y); | |
48 | ||
49 | static inline void ast_load_palette_index(struct ast_private *ast, | |
50 | u8 index, u8 red, u8 green, | |
51 | u8 blue) | |
52 | { | |
53 | ast_io_write8(ast, AST_IO_DAC_INDEX_WRITE, index); | |
54 | ast_io_read8(ast, AST_IO_SEQ_PORT); | |
55 | ast_io_write8(ast, AST_IO_DAC_DATA, red); | |
56 | ast_io_read8(ast, AST_IO_SEQ_PORT); | |
57 | ast_io_write8(ast, AST_IO_DAC_DATA, green); | |
58 | ast_io_read8(ast, AST_IO_SEQ_PORT); | |
59 | ast_io_write8(ast, AST_IO_DAC_DATA, blue); | |
60 | ast_io_read8(ast, AST_IO_SEQ_PORT); | |
61 | } | |
62 | ||
63 | static void ast_crtc_load_lut(struct drm_crtc *crtc) | |
64 | { | |
65 | struct ast_private *ast = crtc->dev->dev_private; | |
3bffd962 | 66 | u16 *r, *g, *b; |
312fec14 DA |
67 | int i; |
68 | ||
69 | if (!crtc->enabled) | |
70 | return; | |
71 | ||
3bffd962 PR |
72 | r = crtc->gamma_store; |
73 | g = r + crtc->gamma_size; | |
74 | b = g + crtc->gamma_size; | |
75 | ||
312fec14 | 76 | for (i = 0; i < 256; i++) |
3bffd962 | 77 | ast_load_palette_index(ast, i, *r++ >> 8, *g++ >> 8, *b++ >> 8); |
312fec14 DA |
78 | } |
79 | ||
80 | static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mode *mode, | |
81 | struct drm_display_mode *adjusted_mode, | |
82 | struct ast_vbios_mode_info *vbios_mode) | |
83 | { | |
84 | struct ast_private *ast = crtc->dev->dev_private; | |
7445283a | 85 | const struct drm_framebuffer *fb = crtc->primary->fb; |
312fec14 | 86 | u32 refresh_rate_index = 0, mode_id, color_index, refresh_rate; |
22acdbb1 | 87 | const struct ast_vbios_enhtable *best = NULL; |
312fec14 | 88 | u32 hborder, vborder; |
94d12b13 | 89 | bool check_sync; |
312fec14 | 90 | |
272725c7 | 91 | switch (fb->format->cpp[0] * 8) { |
312fec14 DA |
92 | case 8: |
93 | vbios_mode->std_table = &vbios_stdtable[VGAModeIndex]; | |
94 | color_index = VGAModeIndex - 1; | |
95 | break; | |
96 | case 16: | |
97 | vbios_mode->std_table = &vbios_stdtable[HiCModeIndex]; | |
98 | color_index = HiCModeIndex; | |
99 | break; | |
100 | case 24: | |
101 | case 32: | |
102 | vbios_mode->std_table = &vbios_stdtable[TrueCModeIndex]; | |
103 | color_index = TrueCModeIndex; | |
104 | break; | |
105 | default: | |
106 | return false; | |
107 | } | |
108 | ||
109 | switch (crtc->mode.crtc_hdisplay) { | |
110 | case 640: | |
111 | vbios_mode->enh_table = &res_640x480[refresh_rate_index]; | |
112 | break; | |
113 | case 800: | |
114 | vbios_mode->enh_table = &res_800x600[refresh_rate_index]; | |
115 | break; | |
116 | case 1024: | |
117 | vbios_mode->enh_table = &res_1024x768[refresh_rate_index]; | |
118 | break; | |
119 | case 1280: | |
120 | if (crtc->mode.crtc_vdisplay == 800) | |
121 | vbios_mode->enh_table = &res_1280x800[refresh_rate_index]; | |
122 | else | |
123 | vbios_mode->enh_table = &res_1280x1024[refresh_rate_index]; | |
124 | break; | |
f1f62f2c DA |
125 | case 1360: |
126 | vbios_mode->enh_table = &res_1360x768[refresh_rate_index]; | |
127 | break; | |
312fec14 DA |
128 | case 1440: |
129 | vbios_mode->enh_table = &res_1440x900[refresh_rate_index]; | |
130 | break; | |
131 | case 1600: | |
f1f62f2c DA |
132 | if (crtc->mode.crtc_vdisplay == 900) |
133 | vbios_mode->enh_table = &res_1600x900[refresh_rate_index]; | |
134 | else | |
135 | vbios_mode->enh_table = &res_1600x1200[refresh_rate_index]; | |
312fec14 DA |
136 | break; |
137 | case 1680: | |
138 | vbios_mode->enh_table = &res_1680x1050[refresh_rate_index]; | |
139 | break; | |
140 | case 1920: | |
141 | if (crtc->mode.crtc_vdisplay == 1080) | |
142 | vbios_mode->enh_table = &res_1920x1080[refresh_rate_index]; | |
143 | else | |
144 | vbios_mode->enh_table = &res_1920x1200[refresh_rate_index]; | |
145 | break; | |
146 | default: | |
147 | return false; | |
148 | } | |
149 | ||
150 | refresh_rate = drm_mode_vrefresh(mode); | |
94d12b13 C |
151 | check_sync = vbios_mode->enh_table->flags & WideScreenMode; |
152 | do { | |
22acdbb1 | 153 | const struct ast_vbios_enhtable *loop = vbios_mode->enh_table; |
94d12b13 C |
154 | |
155 | while (loop->refresh_rate != 0xff) { | |
156 | if ((check_sync) && | |
157 | (((mode->flags & DRM_MODE_FLAG_NVSYNC) && | |
158 | (loop->flags & PVSync)) || | |
159 | ((mode->flags & DRM_MODE_FLAG_PVSYNC) && | |
160 | (loop->flags & NVSync)) || | |
161 | ((mode->flags & DRM_MODE_FLAG_NHSYNC) && | |
162 | (loop->flags & PHSync)) || | |
163 | ((mode->flags & DRM_MODE_FLAG_PHSYNC) && | |
164 | (loop->flags & NHSync)))) { | |
165 | loop++; | |
166 | continue; | |
167 | } | |
168 | if (loop->refresh_rate <= refresh_rate | |
169 | && (!best || loop->refresh_rate > best->refresh_rate)) | |
170 | best = loop; | |
171 | loop++; | |
312fec14 | 172 | } |
94d12b13 C |
173 | if (best || !check_sync) |
174 | break; | |
175 | check_sync = 0; | |
176 | } while (1); | |
177 | if (best) | |
178 | vbios_mode->enh_table = best; | |
312fec14 DA |
179 | |
180 | hborder = (vbios_mode->enh_table->flags & HBorder) ? 8 : 0; | |
181 | vborder = (vbios_mode->enh_table->flags & VBorder) ? 8 : 0; | |
182 | ||
183 | adjusted_mode->crtc_htotal = vbios_mode->enh_table->ht; | |
184 | adjusted_mode->crtc_hblank_start = vbios_mode->enh_table->hde + hborder; | |
185 | adjusted_mode->crtc_hblank_end = vbios_mode->enh_table->ht - hborder; | |
186 | adjusted_mode->crtc_hsync_start = vbios_mode->enh_table->hde + hborder + | |
187 | vbios_mode->enh_table->hfp; | |
188 | adjusted_mode->crtc_hsync_end = (vbios_mode->enh_table->hde + hborder + | |
189 | vbios_mode->enh_table->hfp + | |
190 | vbios_mode->enh_table->hsync); | |
191 | ||
192 | adjusted_mode->crtc_vtotal = vbios_mode->enh_table->vt; | |
193 | adjusted_mode->crtc_vblank_start = vbios_mode->enh_table->vde + vborder; | |
194 | adjusted_mode->crtc_vblank_end = vbios_mode->enh_table->vt - vborder; | |
195 | adjusted_mode->crtc_vsync_start = vbios_mode->enh_table->vde + vborder + | |
196 | vbios_mode->enh_table->vfp; | |
197 | adjusted_mode->crtc_vsync_end = (vbios_mode->enh_table->vde + vborder + | |
198 | vbios_mode->enh_table->vfp + | |
199 | vbios_mode->enh_table->vsync); | |
200 | ||
201 | refresh_rate_index = vbios_mode->enh_table->refresh_rate_index; | |
202 | mode_id = vbios_mode->enh_table->mode_id; | |
203 | ||
204 | if (ast->chip == AST1180) { | |
205 | /* TODO 1180 */ | |
206 | } else { | |
207 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8c, (u8)((color_index & 0xf) << 4)); | |
208 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8d, refresh_rate_index & 0xff); | |
209 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x8e, mode_id & 0xff); | |
210 | ||
f1f62f2c DA |
211 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0x00); |
212 | if (vbios_mode->enh_table->flags & NewModeInfo) { | |
213 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x91, 0xa8); | |
272725c7 VS |
214 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x92, |
215 | fb->format->cpp[0] * 8); | |
f1f62f2c DA |
216 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x93, adjusted_mode->clock / 1000); |
217 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x94, adjusted_mode->crtc_hdisplay); | |
218 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x95, adjusted_mode->crtc_hdisplay >> 8); | |
312fec14 | 219 | |
f1f62f2c DA |
220 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x96, adjusted_mode->crtc_vdisplay); |
221 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x97, adjusted_mode->crtc_vdisplay >> 8); | |
222 | } | |
312fec14 DA |
223 | } |
224 | ||
225 | return true; | |
226 | ||
227 | ||
228 | } | |
229 | static void ast_set_std_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, | |
230 | struct ast_vbios_mode_info *vbios_mode) | |
231 | { | |
232 | struct ast_private *ast = crtc->dev->dev_private; | |
22acdbb1 | 233 | const struct ast_vbios_stdtable *stdtable; |
312fec14 DA |
234 | u32 i; |
235 | u8 jreg; | |
236 | ||
237 | stdtable = vbios_mode->std_table; | |
238 | ||
239 | jreg = stdtable->misc; | |
240 | ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); | |
241 | ||
242 | /* Set SEQ */ | |
243 | ast_set_index_reg(ast, AST_IO_SEQ_PORT, 0x00, 0x03); | |
244 | for (i = 0; i < 4; i++) { | |
245 | jreg = stdtable->seq[i]; | |
246 | if (!i) | |
247 | jreg |= 0x20; | |
248 | ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg); | |
249 | } | |
250 | ||
251 | /* Set CRTC */ | |
252 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); | |
253 | for (i = 0; i < 25; i++) | |
254 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); | |
255 | ||
256 | /* set AR */ | |
257 | jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); | |
258 | for (i = 0; i < 20; i++) { | |
259 | jreg = stdtable->ar[i]; | |
260 | ast_io_write8(ast, AST_IO_AR_PORT_WRITE, (u8)i); | |
261 | ast_io_write8(ast, AST_IO_AR_PORT_WRITE, jreg); | |
262 | } | |
263 | ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x14); | |
264 | ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x00); | |
265 | ||
266 | jreg = ast_io_read8(ast, AST_IO_INPUT_STATUS1_READ); | |
267 | ast_io_write8(ast, AST_IO_AR_PORT_WRITE, 0x20); | |
268 | ||
269 | /* Set GR */ | |
270 | for (i = 0; i < 9; i++) | |
271 | ast_set_index_reg(ast, AST_IO_GR_PORT, i, stdtable->gr[i]); | |
272 | } | |
273 | ||
274 | static void ast_set_crtc_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, | |
275 | struct ast_vbios_mode_info *vbios_mode) | |
276 | { | |
277 | struct ast_private *ast = crtc->dev->dev_private; | |
278 | u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; | |
9f93c8b3 C |
279 | u16 temp, precache = 0; |
280 | ||
281 | if ((ast->chip == AST2500) && | |
282 | (vbios_mode->enh_table->flags & AST2500PreCatchCRT)) | |
283 | precache = 40; | |
312fec14 DA |
284 | |
285 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); | |
286 | ||
287 | temp = (mode->crtc_htotal >> 3) - 5; | |
288 | if (temp & 0x100) | |
289 | jregAC |= 0x01; /* HT D[8] */ | |
290 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x00, 0x00, temp); | |
291 | ||
292 | temp = (mode->crtc_hdisplay >> 3) - 1; | |
293 | if (temp & 0x100) | |
294 | jregAC |= 0x04; /* HDE D[8] */ | |
295 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x01, 0x00, temp); | |
296 | ||
297 | temp = (mode->crtc_hblank_start >> 3) - 1; | |
298 | if (temp & 0x100) | |
299 | jregAC |= 0x10; /* HBS D[8] */ | |
300 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x02, 0x00, temp); | |
301 | ||
302 | temp = ((mode->crtc_hblank_end >> 3) - 1) & 0x7f; | |
303 | if (temp & 0x20) | |
304 | jreg05 |= 0x80; /* HBE D[5] */ | |
305 | if (temp & 0x40) | |
306 | jregAD |= 0x01; /* HBE D[5] */ | |
307 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0, (temp & 0x1f)); | |
308 | ||
9f93c8b3 | 309 | temp = ((mode->crtc_hsync_start-precache) >> 3) - 1; |
312fec14 DA |
310 | if (temp & 0x100) |
311 | jregAC |= 0x40; /* HRS D[5] */ | |
312 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00, temp); | |
313 | ||
9f93c8b3 | 314 | temp = (((mode->crtc_hsync_end-precache) >> 3) - 1) & 0x3f; |
312fec14 DA |
315 | if (temp & 0x20) |
316 | jregAD |= 0x04; /* HRE D[5] */ | |
317 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60, (u8)((temp & 0x1f) | jreg05)); | |
318 | ||
319 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); | |
320 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD); | |
321 | ||
322 | /* vert timings */ | |
323 | temp = (mode->crtc_vtotal) - 2; | |
324 | if (temp & 0x100) | |
325 | jreg07 |= 0x01; | |
326 | if (temp & 0x200) | |
327 | jreg07 |= 0x20; | |
328 | if (temp & 0x400) | |
329 | jregAE |= 0x01; | |
330 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x06, 0x00, temp); | |
331 | ||
332 | temp = (mode->crtc_vsync_start) - 1; | |
333 | if (temp & 0x100) | |
334 | jreg07 |= 0x04; | |
335 | if (temp & 0x200) | |
336 | jreg07 |= 0x80; | |
337 | if (temp & 0x400) | |
338 | jregAE |= 0x08; | |
339 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x10, 0x00, temp); | |
340 | ||
341 | temp = (mode->crtc_vsync_end - 1) & 0x3f; | |
342 | if (temp & 0x10) | |
343 | jregAE |= 0x20; | |
344 | if (temp & 0x20) | |
345 | jregAE |= 0x40; | |
346 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x70, temp & 0xf); | |
347 | ||
348 | temp = mode->crtc_vdisplay - 1; | |
349 | if (temp & 0x100) | |
350 | jreg07 |= 0x02; | |
351 | if (temp & 0x200) | |
352 | jreg07 |= 0x40; | |
353 | if (temp & 0x400) | |
354 | jregAE |= 0x02; | |
355 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x12, 0x00, temp); | |
356 | ||
357 | temp = mode->crtc_vblank_start - 1; | |
358 | if (temp & 0x100) | |
359 | jreg07 |= 0x08; | |
360 | if (temp & 0x200) | |
361 | jreg09 |= 0x20; | |
362 | if (temp & 0x400) | |
363 | jregAE |= 0x04; | |
364 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x15, 0x00, temp); | |
365 | ||
366 | temp = mode->crtc_vblank_end - 1; | |
367 | if (temp & 0x100) | |
368 | jregAE |= 0x10; | |
369 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x16, 0x00, temp); | |
370 | ||
371 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x07, 0x00, jreg07); | |
372 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf, jreg09); | |
373 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00, (jregAE | 0x80)); | |
374 | ||
9f93c8b3 C |
375 | if (precache) |
376 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x80); | |
377 | else | |
378 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0x3f, 0x00); | |
379 | ||
312fec14 DA |
380 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x80); |
381 | } | |
382 | ||
383 | static void ast_set_offset_reg(struct drm_crtc *crtc) | |
384 | { | |
385 | struct ast_private *ast = crtc->dev->dev_private; | |
7445283a | 386 | const struct drm_framebuffer *fb = crtc->primary->fb; |
312fec14 DA |
387 | |
388 | u16 offset; | |
389 | ||
7445283a | 390 | offset = fb->pitches[0] >> 3; |
312fec14 DA |
391 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x13, (offset & 0xff)); |
392 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xb0, (offset >> 8) & 0x3f); | |
393 | } | |
394 | ||
395 | static void ast_set_dclk_reg(struct drm_device *dev, struct drm_display_mode *mode, | |
396 | struct ast_vbios_mode_info *vbios_mode) | |
397 | { | |
398 | struct ast_private *ast = dev->dev_private; | |
22acdbb1 | 399 | const struct ast_vbios_dclk_info *clk_info; |
312fec14 | 400 | |
9f93c8b3 C |
401 | if (ast->chip == AST2500) |
402 | clk_info = &dclk_table_ast2500[vbios_mode->enh_table->dclk_index]; | |
403 | else | |
404 | clk_info = &dclk_table[vbios_mode->enh_table->dclk_index]; | |
312fec14 DA |
405 | |
406 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc0, 0x00, clk_info->param1); | |
407 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc1, 0x00, clk_info->param2); | |
408 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xbb, 0x0f, | |
9f93c8b3 C |
409 | (clk_info->param3 & 0xc0) | |
410 | ((clk_info->param3 & 0x3) << 4)); | |
312fec14 DA |
411 | } |
412 | ||
413 | static void ast_set_ext_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, | |
414 | struct ast_vbios_mode_info *vbios_mode) | |
415 | { | |
416 | struct ast_private *ast = crtc->dev->dev_private; | |
7445283a | 417 | const struct drm_framebuffer *fb = crtc->primary->fb; |
312fec14 DA |
418 | u8 jregA0 = 0, jregA3 = 0, jregA8 = 0; |
419 | ||
272725c7 | 420 | switch (fb->format->cpp[0] * 8) { |
312fec14 DA |
421 | case 8: |
422 | jregA0 = 0x70; | |
423 | jregA3 = 0x01; | |
424 | jregA8 = 0x00; | |
425 | break; | |
426 | case 15: | |
427 | case 16: | |
428 | jregA0 = 0x70; | |
429 | jregA3 = 0x04; | |
430 | jregA8 = 0x02; | |
431 | break; | |
432 | case 32: | |
433 | jregA0 = 0x70; | |
434 | jregA3 = 0x08; | |
435 | jregA8 = 0x02; | |
436 | break; | |
437 | } | |
438 | ||
439 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa0, 0x8f, jregA0); | |
440 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xf0, jregA3); | |
441 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8); | |
442 | ||
443 | /* Set Threshold */ | |
9f93c8b3 C |
444 | if (ast->chip == AST2300 || ast->chip == AST2400 || |
445 | ast->chip == AST2500) { | |
312fec14 DA |
446 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78); |
447 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60); | |
448 | } else if (ast->chip == AST2100 || | |
449 | ast->chip == AST1100 || | |
450 | ast->chip == AST2200 || | |
451 | ast->chip == AST2150) { | |
452 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x3f); | |
453 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x2f); | |
454 | } else { | |
455 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x2f); | |
456 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x1f); | |
457 | } | |
458 | } | |
459 | ||
7f5ccd44 | 460 | static void ast_set_sync_reg(struct drm_device *dev, struct drm_display_mode *mode, |
312fec14 DA |
461 | struct ast_vbios_mode_info *vbios_mode) |
462 | { | |
463 | struct ast_private *ast = dev->dev_private; | |
464 | u8 jreg; | |
465 | ||
94d12b13 C |
466 | jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); |
467 | jreg &= ~0xC0; | |
468 | if (vbios_mode->enh_table->flags & NVSync) jreg |= 0x80; | |
469 | if (vbios_mode->enh_table->flags & NHSync) jreg |= 0x40; | |
312fec14 DA |
470 | ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); |
471 | } | |
472 | ||
7f5ccd44 | 473 | static bool ast_set_dac_reg(struct drm_crtc *crtc, struct drm_display_mode *mode, |
312fec14 DA |
474 | struct ast_vbios_mode_info *vbios_mode) |
475 | { | |
7445283a VS |
476 | const struct drm_framebuffer *fb = crtc->primary->fb; |
477 | ||
272725c7 | 478 | switch (fb->format->cpp[0] * 8) { |
312fec14 DA |
479 | case 8: |
480 | break; | |
481 | default: | |
482 | return false; | |
483 | } | |
484 | return true; | |
485 | } | |
486 | ||
7f5ccd44 | 487 | static void ast_set_start_address_crt1(struct drm_crtc *crtc, unsigned offset) |
312fec14 DA |
488 | { |
489 | struct ast_private *ast = crtc->dev->dev_private; | |
490 | u32 addr; | |
491 | ||
492 | addr = offset >> 2; | |
493 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0d, (u8)(addr & 0xff)); | |
494 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x0c, (u8)((addr >> 8) & 0xff)); | |
495 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xaf, (u8)((addr >> 16) & 0xff)); | |
496 | ||
497 | } | |
498 | ||
499 | static void ast_crtc_dpms(struct drm_crtc *crtc, int mode) | |
500 | { | |
501 | struct ast_private *ast = crtc->dev->dev_private; | |
502 | ||
503 | if (ast->chip == AST1180) | |
504 | return; | |
505 | ||
506 | switch (mode) { | |
507 | case DRM_MODE_DPMS_ON: | |
508 | case DRM_MODE_DPMS_STANDBY: | |
509 | case DRM_MODE_DPMS_SUSPEND: | |
510 | ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); | |
83c6620b DA |
511 | if (ast->tx_chip_type == AST_TX_DP501) |
512 | ast_set_dp501_video_output(crtc->dev, 1); | |
312fec14 DA |
513 | ast_crtc_load_lut(crtc); |
514 | break; | |
515 | case DRM_MODE_DPMS_OFF: | |
83c6620b DA |
516 | if (ast->tx_chip_type == AST_TX_DP501) |
517 | ast_set_dp501_video_output(crtc->dev, 0); | |
312fec14 DA |
518 | ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0x20); |
519 | break; | |
520 | } | |
521 | } | |
522 | ||
312fec14 DA |
523 | /* ast is different - we will force move buffers out of VRAM */ |
524 | static int ast_crtc_do_set_base(struct drm_crtc *crtc, | |
525 | struct drm_framebuffer *fb, | |
526 | int x, int y, int atomic) | |
527 | { | |
528 | struct ast_private *ast = crtc->dev->dev_private; | |
529 | struct drm_gem_object *obj; | |
530 | struct ast_framebuffer *ast_fb; | |
531 | struct ast_bo *bo; | |
532 | int ret; | |
533 | u64 gpu_addr; | |
534 | ||
535 | /* push the previous fb to system ram */ | |
536 | if (!atomic && fb) { | |
537 | ast_fb = to_ast_framebuffer(fb); | |
538 | obj = ast_fb->obj; | |
539 | bo = gem_to_ast_bo(obj); | |
540 | ret = ast_bo_reserve(bo, false); | |
541 | if (ret) | |
542 | return ret; | |
543 | ast_bo_push_sysram(bo); | |
544 | ast_bo_unreserve(bo); | |
545 | } | |
546 | ||
f4510a27 | 547 | ast_fb = to_ast_framebuffer(crtc->primary->fb); |
312fec14 DA |
548 | obj = ast_fb->obj; |
549 | bo = gem_to_ast_bo(obj); | |
550 | ||
551 | ret = ast_bo_reserve(bo, false); | |
552 | if (ret) | |
553 | return ret; | |
554 | ||
555 | ret = ast_bo_pin(bo, TTM_PL_FLAG_VRAM, &gpu_addr); | |
556 | if (ret) { | |
557 | ast_bo_unreserve(bo); | |
558 | return ret; | |
559 | } | |
560 | ||
561 | if (&ast->fbdev->afb == ast_fb) { | |
562 | /* if pushing console in kmap it */ | |
563 | ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap); | |
564 | if (ret) | |
565 | DRM_ERROR("failed to kmap fbcon\n"); | |
28fb4cb7 EE |
566 | else |
567 | ast_fbdev_set_base(ast, gpu_addr); | |
312fec14 DA |
568 | } |
569 | ast_bo_unreserve(bo); | |
570 | ||
571 | ast_set_start_address_crt1(crtc, (u32)gpu_addr); | |
572 | ||
573 | return 0; | |
574 | } | |
575 | ||
576 | static int ast_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, | |
577 | struct drm_framebuffer *old_fb) | |
578 | { | |
579 | return ast_crtc_do_set_base(crtc, old_fb, x, y, 0); | |
580 | } | |
581 | ||
582 | static int ast_crtc_mode_set(struct drm_crtc *crtc, | |
583 | struct drm_display_mode *mode, | |
584 | struct drm_display_mode *adjusted_mode, | |
585 | int x, int y, | |
586 | struct drm_framebuffer *old_fb) | |
587 | { | |
588 | struct drm_device *dev = crtc->dev; | |
589 | struct ast_private *ast = crtc->dev->dev_private; | |
590 | struct ast_vbios_mode_info vbios_mode; | |
591 | bool ret; | |
592 | if (ast->chip == AST1180) { | |
593 | DRM_ERROR("AST 1180 modesetting not supported\n"); | |
594 | return -EINVAL; | |
595 | } | |
596 | ||
597 | ret = ast_get_vbios_mode_info(crtc, mode, adjusted_mode, &vbios_mode); | |
598 | if (ret == false) | |
599 | return -EINVAL; | |
600 | ast_open_key(ast); | |
601 | ||
602 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa1, 0xff, 0x04); | |
603 | ||
604 | ast_set_std_reg(crtc, adjusted_mode, &vbios_mode); | |
605 | ast_set_crtc_reg(crtc, adjusted_mode, &vbios_mode); | |
606 | ast_set_offset_reg(crtc); | |
607 | ast_set_dclk_reg(dev, adjusted_mode, &vbios_mode); | |
608 | ast_set_ext_reg(crtc, adjusted_mode, &vbios_mode); | |
609 | ast_set_sync_reg(dev, adjusted_mode, &vbios_mode); | |
610 | ast_set_dac_reg(crtc, adjusted_mode, &vbios_mode); | |
611 | ||
612 | ast_crtc_mode_set_base(crtc, x, y, old_fb); | |
613 | ||
614 | return 0; | |
615 | } | |
616 | ||
617 | static void ast_crtc_disable(struct drm_crtc *crtc) | |
618 | { | |
ab209c32 EE |
619 | int ret; |
620 | ||
621 | DRM_DEBUG_KMS("\n"); | |
622 | ast_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); | |
623 | if (crtc->primary->fb) { | |
624 | struct ast_framebuffer *ast_fb = to_ast_framebuffer(crtc->primary->fb); | |
625 | struct drm_gem_object *obj = ast_fb->obj; | |
626 | struct ast_bo *bo = gem_to_ast_bo(obj); | |
627 | ||
628 | ret = ast_bo_reserve(bo, false); | |
629 | if (ret) | |
630 | return; | |
312fec14 | 631 | |
ab209c32 EE |
632 | ast_bo_push_sysram(bo); |
633 | ast_bo_unreserve(bo); | |
634 | } | |
635 | crtc->primary->fb = NULL; | |
312fec14 DA |
636 | } |
637 | ||
638 | static void ast_crtc_prepare(struct drm_crtc *crtc) | |
639 | { | |
640 | ||
641 | } | |
642 | ||
643 | static void ast_crtc_commit(struct drm_crtc *crtc) | |
644 | { | |
645 | struct ast_private *ast = crtc->dev->dev_private; | |
646 | ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0); | |
1e8dce0c | 647 | ast_crtc_load_lut(crtc); |
312fec14 DA |
648 | } |
649 | ||
650 | ||
651 | static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = { | |
652 | .dpms = ast_crtc_dpms, | |
312fec14 DA |
653 | .mode_set = ast_crtc_mode_set, |
654 | .mode_set_base = ast_crtc_mode_set_base, | |
655 | .disable = ast_crtc_disable, | |
312fec14 DA |
656 | .prepare = ast_crtc_prepare, |
657 | .commit = ast_crtc_commit, | |
658 | ||
659 | }; | |
660 | ||
661 | static void ast_crtc_reset(struct drm_crtc *crtc) | |
662 | { | |
663 | ||
664 | } | |
665 | ||
7ea77283 | 666 | static int ast_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, |
6d124ff8 DV |
667 | u16 *blue, uint32_t size, |
668 | struct drm_modeset_acquire_ctx *ctx) | |
312fec14 | 669 | { |
312fec14 | 670 | ast_crtc_load_lut(crtc); |
7ea77283 ML |
671 | |
672 | return 0; | |
312fec14 DA |
673 | } |
674 | ||
675 | ||
676 | static void ast_crtc_destroy(struct drm_crtc *crtc) | |
677 | { | |
678 | drm_crtc_cleanup(crtc); | |
679 | kfree(crtc); | |
680 | } | |
681 | ||
682 | static const struct drm_crtc_funcs ast_crtc_funcs = { | |
683 | .cursor_set = ast_cursor_set, | |
684 | .cursor_move = ast_cursor_move, | |
685 | .reset = ast_crtc_reset, | |
686 | .set_config = drm_crtc_helper_set_config, | |
687 | .gamma_set = ast_crtc_gamma_set, | |
688 | .destroy = ast_crtc_destroy, | |
689 | }; | |
690 | ||
7f5ccd44 | 691 | static int ast_crtc_init(struct drm_device *dev) |
312fec14 DA |
692 | { |
693 | struct ast_crtc *crtc; | |
312fec14 DA |
694 | |
695 | crtc = kzalloc(sizeof(struct ast_crtc), GFP_KERNEL); | |
696 | if (!crtc) | |
697 | return -ENOMEM; | |
698 | ||
699 | drm_crtc_init(dev, &crtc->base, &ast_crtc_funcs); | |
700 | drm_mode_crtc_set_gamma_size(&crtc->base, 256); | |
701 | drm_crtc_helper_add(&crtc->base, &ast_crtc_helper_funcs); | |
312fec14 DA |
702 | return 0; |
703 | } | |
704 | ||
705 | static void ast_encoder_destroy(struct drm_encoder *encoder) | |
706 | { | |
707 | drm_encoder_cleanup(encoder); | |
708 | kfree(encoder); | |
709 | } | |
710 | ||
711 | ||
712 | static struct drm_encoder *ast_best_single_encoder(struct drm_connector *connector) | |
713 | { | |
714 | int enc_id = connector->encoder_ids[0]; | |
312fec14 | 715 | /* pick the encoder ids */ |
70e26260 | 716 | if (enc_id) |
418da172 | 717 | return drm_encoder_find(connector->dev, NULL, enc_id); |
312fec14 DA |
718 | return NULL; |
719 | } | |
720 | ||
721 | ||
722 | static const struct drm_encoder_funcs ast_enc_funcs = { | |
723 | .destroy = ast_encoder_destroy, | |
724 | }; | |
725 | ||
726 | static void ast_encoder_dpms(struct drm_encoder *encoder, int mode) | |
727 | { | |
728 | ||
729 | } | |
730 | ||
312fec14 DA |
731 | static void ast_encoder_mode_set(struct drm_encoder *encoder, |
732 | struct drm_display_mode *mode, | |
733 | struct drm_display_mode *adjusted_mode) | |
734 | { | |
735 | } | |
736 | ||
737 | static void ast_encoder_prepare(struct drm_encoder *encoder) | |
738 | { | |
739 | ||
740 | } | |
741 | ||
742 | static void ast_encoder_commit(struct drm_encoder *encoder) | |
743 | { | |
744 | ||
745 | } | |
746 | ||
747 | ||
748 | static const struct drm_encoder_helper_funcs ast_enc_helper_funcs = { | |
749 | .dpms = ast_encoder_dpms, | |
312fec14 DA |
750 | .prepare = ast_encoder_prepare, |
751 | .commit = ast_encoder_commit, | |
752 | .mode_set = ast_encoder_mode_set, | |
753 | }; | |
754 | ||
7f5ccd44 | 755 | static int ast_encoder_init(struct drm_device *dev) |
312fec14 DA |
756 | { |
757 | struct ast_encoder *ast_encoder; | |
758 | ||
759 | ast_encoder = kzalloc(sizeof(struct ast_encoder), GFP_KERNEL); | |
760 | if (!ast_encoder) | |
761 | return -ENOMEM; | |
762 | ||
763 | drm_encoder_init(dev, &ast_encoder->base, &ast_enc_funcs, | |
13a3d91f | 764 | DRM_MODE_ENCODER_DAC, NULL); |
312fec14 DA |
765 | drm_encoder_helper_add(&ast_encoder->base, &ast_enc_helper_funcs); |
766 | ||
767 | ast_encoder->base.possible_crtcs = 1; | |
768 | return 0; | |
769 | } | |
770 | ||
771 | static int ast_get_modes(struct drm_connector *connector) | |
772 | { | |
773 | struct ast_connector *ast_connector = to_ast_connector(connector); | |
83c6620b | 774 | struct ast_private *ast = connector->dev->dev_private; |
312fec14 DA |
775 | struct edid *edid; |
776 | int ret; | |
83c6620b DA |
777 | bool flags = false; |
778 | if (ast->tx_chip_type == AST_TX_DP501) { | |
779 | ast->dp501_maxclk = 0xff; | |
780 | edid = kmalloc(128, GFP_KERNEL); | |
781 | if (!edid) | |
782 | return -ENOMEM; | |
783 | ||
784 | flags = ast_dp501_read_edid(connector->dev, (u8 *)edid); | |
785 | if (flags) | |
786 | ast->dp501_maxclk = ast_get_dp501_max_clk(connector->dev); | |
787 | else | |
788 | kfree(edid); | |
789 | } | |
790 | if (!flags) | |
791 | edid = drm_get_edid(connector, &ast_connector->i2c->adapter); | |
312fec14 DA |
792 | if (edid) { |
793 | drm_mode_connector_update_edid_property(&ast_connector->base, edid); | |
794 | ret = drm_add_edid_modes(connector, edid); | |
993dcb05 | 795 | kfree(edid); |
312fec14 DA |
796 | return ret; |
797 | } else | |
798 | drm_mode_connector_update_edid_property(&ast_connector->base, NULL); | |
799 | return 0; | |
800 | } | |
801 | ||
802 | static int ast_mode_valid(struct drm_connector *connector, | |
803 | struct drm_display_mode *mode) | |
804 | { | |
f1f62f2c DA |
805 | struct ast_private *ast = connector->dev->dev_private; |
806 | int flags = MODE_NOMODE; | |
807 | uint32_t jtemp; | |
808 | ||
809 | if (ast->support_wide_screen) { | |
810 | if ((mode->hdisplay == 1680) && (mode->vdisplay == 1050)) | |
811 | return MODE_OK; | |
812 | if ((mode->hdisplay == 1280) && (mode->vdisplay == 800)) | |
813 | return MODE_OK; | |
814 | if ((mode->hdisplay == 1440) && (mode->vdisplay == 900)) | |
815 | return MODE_OK; | |
816 | if ((mode->hdisplay == 1360) && (mode->vdisplay == 768)) | |
817 | return MODE_OK; | |
818 | if ((mode->hdisplay == 1600) && (mode->vdisplay == 900)) | |
819 | return MODE_OK; | |
820 | ||
9f93c8b3 C |
821 | if ((ast->chip == AST2100) || (ast->chip == AST2200) || |
822 | (ast->chip == AST2300) || (ast->chip == AST2400) || | |
823 | (ast->chip == AST2500) || (ast->chip == AST1180)) { | |
f1f62f2c DA |
824 | if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080)) |
825 | return MODE_OK; | |
826 | ||
827 | if ((mode->hdisplay == 1920) && (mode->vdisplay == 1200)) { | |
828 | jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff); | |
829 | if (jtemp & 0x01) | |
830 | return MODE_NOMODE; | |
831 | else | |
832 | return MODE_OK; | |
833 | } | |
834 | } | |
835 | } | |
836 | switch (mode->hdisplay) { | |
837 | case 640: | |
838 | if (mode->vdisplay == 480) flags = MODE_OK; | |
839 | break; | |
840 | case 800: | |
841 | if (mode->vdisplay == 600) flags = MODE_OK; | |
842 | break; | |
843 | case 1024: | |
844 | if (mode->vdisplay == 768) flags = MODE_OK; | |
845 | break; | |
846 | case 1280: | |
847 | if (mode->vdisplay == 1024) flags = MODE_OK; | |
848 | break; | |
849 | case 1600: | |
850 | if (mode->vdisplay == 1200) flags = MODE_OK; | |
851 | break; | |
852 | default: | |
853 | return flags; | |
854 | } | |
855 | ||
856 | return flags; | |
312fec14 DA |
857 | } |
858 | ||
859 | static void ast_connector_destroy(struct drm_connector *connector) | |
860 | { | |
861 | struct ast_connector *ast_connector = to_ast_connector(connector); | |
862 | ast_i2c_destroy(ast_connector->i2c); | |
34ea3d38 | 863 | drm_connector_unregister(connector); |
312fec14 DA |
864 | drm_connector_cleanup(connector); |
865 | kfree(connector); | |
866 | } | |
867 | ||
312fec14 DA |
868 | static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { |
869 | .mode_valid = ast_mode_valid, | |
870 | .get_modes = ast_get_modes, | |
871 | .best_encoder = ast_best_single_encoder, | |
872 | }; | |
873 | ||
874 | static const struct drm_connector_funcs ast_connector_funcs = { | |
875 | .dpms = drm_helper_connector_dpms, | |
312fec14 DA |
876 | .fill_modes = drm_helper_probe_single_connector_modes, |
877 | .destroy = ast_connector_destroy, | |
878 | }; | |
879 | ||
7f5ccd44 | 880 | static int ast_connector_init(struct drm_device *dev) |
312fec14 DA |
881 | { |
882 | struct ast_connector *ast_connector; | |
883 | struct drm_connector *connector; | |
884 | struct drm_encoder *encoder; | |
885 | ||
886 | ast_connector = kzalloc(sizeof(struct ast_connector), GFP_KERNEL); | |
887 | if (!ast_connector) | |
888 | return -ENOMEM; | |
889 | ||
890 | connector = &ast_connector->base; | |
891 | drm_connector_init(dev, connector, &ast_connector_funcs, DRM_MODE_CONNECTOR_VGA); | |
892 | ||
893 | drm_connector_helper_add(connector, &ast_connector_helper_funcs); | |
894 | ||
895 | connector->interlace_allowed = 0; | |
896 | connector->doublescan_allowed = 0; | |
897 | ||
34ea3d38 | 898 | drm_connector_register(connector); |
312fec14 DA |
899 | |
900 | connector->polled = DRM_CONNECTOR_POLL_CONNECT; | |
901 | ||
902 | encoder = list_first_entry(&dev->mode_config.encoder_list, struct drm_encoder, head); | |
903 | drm_mode_connector_attach_encoder(connector, encoder); | |
904 | ||
905 | ast_connector->i2c = ast_i2c_create(dev); | |
906 | if (!ast_connector->i2c) | |
907 | DRM_ERROR("failed to add ddc bus for connector\n"); | |
908 | ||
909 | return 0; | |
910 | } | |
911 | ||
912 | /* allocate cursor cache and pin at start of VRAM */ | |
7f5ccd44 | 913 | static int ast_cursor_init(struct drm_device *dev) |
312fec14 DA |
914 | { |
915 | struct ast_private *ast = dev->dev_private; | |
916 | int size; | |
917 | int ret; | |
918 | struct drm_gem_object *obj; | |
919 | struct ast_bo *bo; | |
920 | uint64_t gpu_addr; | |
921 | ||
922 | size = (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE) * AST_DEFAULT_HWC_NUM; | |
923 | ||
924 | ret = ast_gem_create(dev, size, true, &obj); | |
925 | if (ret) | |
926 | return ret; | |
927 | bo = gem_to_ast_bo(obj); | |
928 | ret = ast_bo_reserve(bo, false); | |
929 | if (unlikely(ret != 0)) | |
930 | goto fail; | |
931 | ||
932 | ret = ast_bo_pin(bo, TTM_PL_FLAG_VRAM, &gpu_addr); | |
933 | ast_bo_unreserve(bo); | |
934 | if (ret) | |
935 | goto fail; | |
936 | ||
937 | /* kmap the object */ | |
938 | ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &ast->cache_kmap); | |
939 | if (ret) | |
940 | goto fail; | |
941 | ||
942 | ast->cursor_cache = obj; | |
943 | ast->cursor_cache_gpu_addr = gpu_addr; | |
0273de08 | 944 | DRM_DEBUG_KMS("pinned cursor cache at %llx\n", ast->cursor_cache_gpu_addr); |
312fec14 DA |
945 | return 0; |
946 | fail: | |
947 | return ret; | |
948 | } | |
949 | ||
7f5ccd44 | 950 | static void ast_cursor_fini(struct drm_device *dev) |
312fec14 DA |
951 | { |
952 | struct ast_private *ast = dev->dev_private; | |
953 | ttm_bo_kunmap(&ast->cache_kmap); | |
1feba03f | 954 | drm_gem_object_put_unlocked(ast->cursor_cache); |
312fec14 DA |
955 | } |
956 | ||
957 | int ast_mode_init(struct drm_device *dev) | |
958 | { | |
959 | ast_cursor_init(dev); | |
960 | ast_crtc_init(dev); | |
961 | ast_encoder_init(dev); | |
962 | ast_connector_init(dev); | |
963 | return 0; | |
964 | } | |
965 | ||
966 | void ast_mode_fini(struct drm_device *dev) | |
967 | { | |
968 | ast_cursor_fini(dev); | |
969 | } | |
970 | ||
971 | static int get_clock(void *i2c_priv) | |
972 | { | |
973 | struct ast_i2c_chan *i2c = i2c_priv; | |
974 | struct ast_private *ast = i2c->dev->dev_private; | |
975 | uint32_t val; | |
976 | ||
977 | val = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x10) >> 4; | |
978 | return val & 1 ? 1 : 0; | |
979 | } | |
980 | ||
981 | static int get_data(void *i2c_priv) | |
982 | { | |
983 | struct ast_i2c_chan *i2c = i2c_priv; | |
984 | struct ast_private *ast = i2c->dev->dev_private; | |
985 | uint32_t val; | |
986 | ||
987 | val = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x20) >> 5; | |
988 | return val & 1 ? 1 : 0; | |
989 | } | |
990 | ||
991 | static void set_clock(void *i2c_priv, int clock) | |
992 | { | |
993 | struct ast_i2c_chan *i2c = i2c_priv; | |
994 | struct ast_private *ast = i2c->dev->dev_private; | |
995 | int i; | |
996 | u8 ujcrb7, jtemp; | |
997 | ||
998 | for (i = 0; i < 0x10000; i++) { | |
999 | ujcrb7 = ((clock & 0x01) ? 0 : 1); | |
1000 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xfe, ujcrb7); | |
1001 | jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x01); | |
1002 | if (ujcrb7 == jtemp) | |
1003 | break; | |
1004 | } | |
1005 | } | |
1006 | ||
1007 | static void set_data(void *i2c_priv, int data) | |
1008 | { | |
1009 | struct ast_i2c_chan *i2c = i2c_priv; | |
1010 | struct ast_private *ast = i2c->dev->dev_private; | |
1011 | int i; | |
1012 | u8 ujcrb7, jtemp; | |
1013 | ||
1014 | for (i = 0; i < 0x10000; i++) { | |
1015 | ujcrb7 = ((data & 0x01) ? 0 : 1) << 2; | |
1016 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0xfb, ujcrb7); | |
1017 | jtemp = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x04); | |
1018 | if (ujcrb7 == jtemp) | |
1019 | break; | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev) | |
1024 | { | |
1025 | struct ast_i2c_chan *i2c; | |
1026 | int ret; | |
1027 | ||
1028 | i2c = kzalloc(sizeof(struct ast_i2c_chan), GFP_KERNEL); | |
1029 | if (!i2c) | |
1030 | return NULL; | |
1031 | ||
1032 | i2c->adapter.owner = THIS_MODULE; | |
1033 | i2c->adapter.class = I2C_CLASS_DDC; | |
1034 | i2c->adapter.dev.parent = &dev->pdev->dev; | |
1035 | i2c->dev = dev; | |
1036 | i2c_set_adapdata(&i2c->adapter, i2c); | |
1037 | snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), | |
1038 | "AST i2c bit bus"); | |
1039 | i2c->adapter.algo_data = &i2c->bit; | |
1040 | ||
1041 | i2c->bit.udelay = 20; | |
1042 | i2c->bit.timeout = 2; | |
1043 | i2c->bit.data = i2c; | |
1044 | i2c->bit.setsda = set_data; | |
1045 | i2c->bit.setscl = set_clock; | |
1046 | i2c->bit.getsda = get_data; | |
1047 | i2c->bit.getscl = get_clock; | |
1048 | ret = i2c_bit_add_bus(&i2c->adapter); | |
1049 | if (ret) { | |
1050 | DRM_ERROR("Failed to register bit i2c\n"); | |
1051 | goto out_free; | |
1052 | } | |
1053 | ||
1054 | return i2c; | |
1055 | out_free: | |
1056 | kfree(i2c); | |
1057 | return NULL; | |
1058 | } | |
1059 | ||
1060 | static void ast_i2c_destroy(struct ast_i2c_chan *i2c) | |
1061 | { | |
1062 | if (!i2c) | |
1063 | return; | |
1064 | i2c_del_adapter(&i2c->adapter); | |
1065 | kfree(i2c); | |
1066 | } | |
1067 | ||
7f5ccd44 | 1068 | static void ast_show_cursor(struct drm_crtc *crtc) |
312fec14 DA |
1069 | { |
1070 | struct ast_private *ast = crtc->dev->dev_private; | |
1071 | u8 jreg; | |
1072 | ||
1073 | jreg = 0x2; | |
1074 | /* enable ARGB cursor */ | |
1075 | jreg |= 1; | |
1076 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg); | |
1077 | } | |
1078 | ||
7f5ccd44 | 1079 | static void ast_hide_cursor(struct drm_crtc *crtc) |
312fec14 DA |
1080 | { |
1081 | struct ast_private *ast = crtc->dev->dev_private; | |
1082 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00); | |
1083 | } | |
1084 | ||
1085 | static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height) | |
1086 | { | |
1087 | union { | |
1088 | u32 ul; | |
1089 | u8 b[4]; | |
1090 | } srcdata32[2], data32; | |
1091 | union { | |
1092 | u16 us; | |
1093 | u8 b[2]; | |
1094 | } data16; | |
1095 | u32 csum = 0; | |
1096 | s32 alpha_dst_delta, last_alpha_dst_delta; | |
1097 | u8 *srcxor, *dstxor; | |
1098 | int i, j; | |
1099 | u32 per_pixel_copy, two_pixel_copy; | |
1100 | ||
1101 | alpha_dst_delta = AST_MAX_HWC_WIDTH << 1; | |
1102 | last_alpha_dst_delta = alpha_dst_delta - (width << 1); | |
1103 | ||
1104 | srcxor = src; | |
1105 | dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta; | |
1106 | per_pixel_copy = width & 1; | |
1107 | two_pixel_copy = width >> 1; | |
1108 | ||
1109 | for (j = 0; j < height; j++) { | |
1110 | for (i = 0; i < two_pixel_copy; i++) { | |
1111 | srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; | |
1112 | srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0; | |
1113 | data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); | |
1114 | data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); | |
1e99cfa8 BH |
1115 | data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4); |
1116 | data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4); | |
312fec14 DA |
1117 | |
1118 | writel(data32.ul, dstxor); | |
1119 | csum += data32.ul; | |
1120 | ||
1121 | dstxor += 4; | |
1122 | srcxor += 8; | |
1123 | ||
1124 | } | |
1125 | ||
1126 | for (i = 0; i < per_pixel_copy; i++) { | |
1127 | srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0; | |
1128 | data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4); | |
1129 | data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4); | |
1130 | writew(data16.us, dstxor); | |
1131 | csum += (u32)data16.us; | |
1132 | ||
1133 | dstxor += 2; | |
1134 | srcxor += 4; | |
1135 | } | |
1136 | dstxor += last_alpha_dst_delta; | |
1137 | } | |
1138 | return csum; | |
1139 | } | |
1140 | ||
1141 | static int ast_cursor_set(struct drm_crtc *crtc, | |
1142 | struct drm_file *file_priv, | |
1143 | uint32_t handle, | |
1144 | uint32_t width, | |
1145 | uint32_t height) | |
1146 | { | |
1147 | struct ast_private *ast = crtc->dev->dev_private; | |
1148 | struct ast_crtc *ast_crtc = to_ast_crtc(crtc); | |
1149 | struct drm_gem_object *obj; | |
1150 | struct ast_bo *bo; | |
1151 | uint64_t gpu_addr; | |
1152 | u32 csum; | |
1153 | int ret; | |
1154 | struct ttm_bo_kmap_obj uobj_map; | |
1155 | u8 *src, *dst; | |
1156 | bool src_isiomem, dst_isiomem; | |
1157 | if (!handle) { | |
1158 | ast_hide_cursor(crtc); | |
1159 | return 0; | |
1160 | } | |
1161 | ||
1162 | if (width > AST_MAX_HWC_WIDTH || height > AST_MAX_HWC_HEIGHT) | |
1163 | return -EINVAL; | |
1164 | ||
a8ad0bd8 | 1165 | obj = drm_gem_object_lookup(file_priv, handle); |
312fec14 DA |
1166 | if (!obj) { |
1167 | DRM_ERROR("Cannot find cursor object %x for crtc\n", handle); | |
1168 | return -ENOENT; | |
1169 | } | |
1170 | bo = gem_to_ast_bo(obj); | |
1171 | ||
1172 | ret = ast_bo_reserve(bo, false); | |
1173 | if (ret) | |
1174 | goto fail; | |
1175 | ||
1176 | ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &uobj_map); | |
1177 | ||
1178 | src = ttm_kmap_obj_virtual(&uobj_map, &src_isiomem); | |
1179 | dst = ttm_kmap_obj_virtual(&ast->cache_kmap, &dst_isiomem); | |
1180 | ||
1181 | if (src_isiomem == true) | |
1182 | DRM_ERROR("src cursor bo should be in main memory\n"); | |
1183 | if (dst_isiomem == false) | |
1184 | DRM_ERROR("dst bo should be in VRAM\n"); | |
1185 | ||
1186 | dst += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor; | |
1187 | ||
1188 | /* do data transfer to cursor cache */ | |
1189 | csum = copy_cursor_image(src, dst, width, height); | |
1190 | ||
1191 | /* write checksum + signature */ | |
1192 | ttm_bo_kunmap(&uobj_map); | |
1193 | ast_bo_unreserve(bo); | |
1194 | { | |
1195 | u8 *dst = (u8 *)ast->cache_kmap.virtual + (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor + AST_HWC_SIZE; | |
1196 | writel(csum, dst); | |
1197 | writel(width, dst + AST_HWC_SIGNATURE_SizeX); | |
1198 | writel(height, dst + AST_HWC_SIGNATURE_SizeY); | |
1199 | writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX); | |
1200 | writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY); | |
1201 | ||
1202 | /* set pattern offset */ | |
1203 | gpu_addr = ast->cursor_cache_gpu_addr; | |
1204 | gpu_addr += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor; | |
1205 | gpu_addr >>= 3; | |
1206 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, gpu_addr & 0xff); | |
1207 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, (gpu_addr >> 8) & 0xff); | |
1208 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, (gpu_addr >> 16) & 0xff); | |
1209 | } | |
1210 | ast_crtc->cursor_width = width; | |
1211 | ast_crtc->cursor_height = height; | |
1212 | ast_crtc->offset_x = AST_MAX_HWC_WIDTH - width; | |
1213 | ast_crtc->offset_y = AST_MAX_HWC_WIDTH - height; | |
1214 | ||
1215 | ast->next_cursor = (ast->next_cursor + 1) % AST_DEFAULT_HWC_NUM; | |
1216 | ||
1217 | ast_show_cursor(crtc); | |
1218 | ||
1feba03f | 1219 | drm_gem_object_put_unlocked(obj); |
312fec14 DA |
1220 | return 0; |
1221 | fail: | |
1feba03f | 1222 | drm_gem_object_put_unlocked(obj); |
312fec14 DA |
1223 | return ret; |
1224 | } | |
1225 | ||
1226 | static int ast_cursor_move(struct drm_crtc *crtc, | |
1227 | int x, int y) | |
1228 | { | |
1229 | struct ast_crtc *ast_crtc = to_ast_crtc(crtc); | |
1230 | struct ast_private *ast = crtc->dev->dev_private; | |
1231 | int x_offset, y_offset; | |
1232 | u8 *sig; | |
1233 | ||
1234 | sig = (u8 *)ast->cache_kmap.virtual + (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor + AST_HWC_SIZE; | |
1235 | writel(x, sig + AST_HWC_SIGNATURE_X); | |
1236 | writel(y, sig + AST_HWC_SIGNATURE_Y); | |
1237 | ||
1238 | x_offset = ast_crtc->offset_x; | |
1239 | y_offset = ast_crtc->offset_y; | |
1240 | if (x < 0) { | |
1241 | x_offset = (-x) + ast_crtc->offset_x; | |
1242 | x = 0; | |
1243 | } | |
1244 | ||
1245 | if (y < 0) { | |
1246 | y_offset = (-y) + ast_crtc->offset_y; | |
1247 | y = 0; | |
1248 | } | |
1249 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset); | |
1250 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset); | |
1251 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, (x & 0xff)); | |
1252 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, ((x >> 8) & 0x0f)); | |
1253 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, (y & 0xff)); | |
1254 | ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07)); | |
1255 | ||
1256 | /* dummy write to fire HWC */ | |
1257 | ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xCB, 0xFF, 0x00); | |
1258 | ||
1259 | return 0; | |
1260 | } |