vcprop_subr.c revision 1.2 1 1.2 skrll /* $NetBSD: vcprop_subr.c,v 1.2 2014/10/03 17:57:48 skrll Exp $ */
2 1.1 macallan
3 1.1 macallan /*
4 1.1 macallan * Copyright (c) 2014 Michael Lorenz
5 1.1 macallan * All rights reserved.
6 1.1 macallan *
7 1.1 macallan * Redistribution and use in source and binary forms, with or without
8 1.1 macallan * modification, are permitted provided that the following conditions
9 1.1 macallan * are met:
10 1.1 macallan * 1. Redistributions of source code must retain the above copyright
11 1.1 macallan * notice, this list of conditions and the following disclaimer.
12 1.1 macallan * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 macallan * notice, this list of conditions and the following disclaimer in the
14 1.1 macallan * documentation and/or other materials provided with the distribution.
15 1.1 macallan *
16 1.1 macallan * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 1.1 macallan * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 1.1 macallan * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 1.1 macallan * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 1.1 macallan * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 1.1 macallan * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 1.1 macallan * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 1.1 macallan * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 1.1 macallan * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 1.1 macallan * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 1.1 macallan */
27 1.1 macallan
28 1.1 macallan /*
29 1.1 macallan * Mailbox property interface wrapper functions
30 1.1 macallan */
31 1.1 macallan
32 1.1 macallan #include <sys/param.h>
33 1.1 macallan #include <sys/device.h>
34 1.1 macallan #include <sys/bus.h>
35 1.1 macallan
36 1.1 macallan #include <uvm/uvm_extern.h>
37 1.1 macallan
38 1.1 macallan #include <arm/arm32/machdep.h>
39 1.1 macallan
40 1.1 macallan #include <arm/broadcom/bcm2835reg.h>
41 1.1 macallan #include <arm/broadcom/bcm2835var.h>
42 1.1 macallan #include <arm/broadcom/bcm2835_pmvar.h>
43 1.1 macallan #include <arm/broadcom/bcm2835_mbox.h>
44 1.1 macallan
45 1.1 macallan #include <evbarm/rpi/vcio.h>
46 1.1 macallan #include <evbarm/rpi/vcpm.h>
47 1.1 macallan #include <evbarm/rpi/vcprop.h>
48 1.1 macallan
49 1.1 macallan #include <evbarm/rpi/rpi.h>
50 1.1 macallan
51 1.1 macallan #include <dev/wscons/wsconsio.h>
52 1.1 macallan
53 1.1 macallan int
54 1.1 macallan rpi_fb_set_video(int b)
55 1.1 macallan {
56 1.1 macallan int error;
57 1.1 macallan uint32_t res;
58 1.1 macallan
59 1.1 macallan /*
60 1.1 macallan * might as well put it here since we need to re-init it every time
61 1.1 macallan * and it's not like this is going to be called very often anyway
62 1.1 macallan */
63 1.1 macallan struct __aligned(16) {
64 1.1 macallan struct vcprop_buffer_hdr vb_hdr;
65 1.1 macallan struct vcprop_tag_blankscreen vbt_blank;
66 1.1 macallan struct vcprop_tag end;
67 1.1 macallan } vb_setblank =
68 1.1 macallan {
69 1.1 macallan .vb_hdr = {
70 1.1 macallan .vpb_len = sizeof(vb_setblank),
71 1.1 macallan .vpb_rcode = VCPROP_PROCESS_REQUEST,
72 1.1 macallan },
73 1.1 macallan .vbt_blank = {
74 1.1 macallan .tag = {
75 1.1 macallan .vpt_tag = VCPROPTAG_BLANK_SCREEN,
76 1.1 macallan .vpt_len = VCPROPTAG_LEN(vb_setblank.vbt_blank),
77 1.1 macallan .vpt_rcode = VCPROPTAG_REQUEST,
78 1.1 macallan },
79 1.1 macallan .state = (b != 0) ? VCPROP_BLANK_OFF : VCPROP_BLANK_ON,
80 1.1 macallan },
81 1.1 macallan .end = {
82 1.1 macallan .vpt_tag = VCPROPTAG_NULL,
83 1.1 macallan },
84 1.1 macallan };
85 1.1 macallan
86 1.1 macallan error = bcmmbox_request(BCMMBOX_CHANARM2VC, &vb_setblank,
87 1.1 macallan sizeof(vb_setblank), &res);
88 1.1 macallan #ifdef RPI_IOCTL_DEBUG
89 1.1 macallan printf("%s: %d %d %d %08x %08x\n", __func__, b,
90 1.1 macallan vb_setblank.vbt_blank.state, error, res,
91 1.1 macallan vb_setblank.vbt_blank.tag.vpt_rcode);
92 1.1 macallan #endif
93 1.2 skrll if (error)
94 1.2 skrll return error;
95 1.2 skrll
96 1.2 skrll if (!vcprop_buffer_success_p(&vb_setblank.vb_hdr) ||
97 1.2 skrll !vcprop_tag_success_p(&vb_setblank.vbt_blank.tag)) {
98 1.2 skrll return EIO;
99 1.2 skrll }
100 1.2 skrll
101 1.2 skrll return 0;
102 1.1 macallan }
103 1.1 macallan
104 1.1 macallan uint32_t
105 1.1 macallan rpi_alloc_mem(uint32_t size, uint32_t align, uint32_t flags)
106 1.1 macallan {
107 1.1 macallan int error;
108 1.1 macallan uint32_t res;
109 1.1 macallan
110 1.1 macallan struct __aligned(16) {
111 1.1 macallan struct vcprop_buffer_hdr vb_hdr;
112 1.1 macallan struct vcprop_tag_allocmem vbt_am;
113 1.1 macallan struct vcprop_tag end;
114 1.1 macallan } vb_allocmem =
115 1.1 macallan {
116 1.1 macallan .vb_hdr = {
117 1.1 macallan .vpb_len = sizeof(vb_allocmem),
118 1.1 macallan .vpb_rcode = VCPROP_PROCESS_REQUEST,
119 1.1 macallan },
120 1.1 macallan .vbt_am = {
121 1.1 macallan .tag = {
122 1.1 macallan .vpt_tag = VCPROPTAG_ALLOCMEM,
123 1.1 macallan .vpt_len = VCPROPTAG_LEN(vb_allocmem.vbt_am),
124 1.1 macallan .vpt_rcode = VCPROPTAG_REQUEST,
125 1.1 macallan },
126 1.1 macallan .size = size,
127 1.1 macallan .align = align,
128 1.1 macallan .flags = flags,
129 1.1 macallan },
130 1.1 macallan .end = {
131 1.1 macallan .vpt_tag = VCPROPTAG_NULL,
132 1.1 macallan },
133 1.1 macallan };
134 1.1 macallan
135 1.1 macallan error = bcmmbox_request(BCMMBOX_CHANARM2VC, &vb_allocmem,
136 1.1 macallan sizeof(vb_allocmem), &res);
137 1.1 macallan #ifdef RPI_IOCTL_DEBUG
138 1.1 macallan printf("%s: %d %d %08x %08x\n", __func__,
139 1.1 macallan vb_allocmem.vbt_am.size, error, res,
140 1.1 macallan vb_allocmem.vbt_am.tag.vpt_rcode);
141 1.1 macallan #endif
142 1.2 skrll if (error)
143 1.2 skrll return error;
144 1.2 skrll
145 1.2 skrll if (!vcprop_buffer_success_p(&vb_allocmem.vb_hdr) ||
146 1.2 skrll !vcprop_tag_success_p(&vb_allocmem.vbt_am.tag)) {
147 1.2 skrll return EIO;
148 1.2 skrll }
149 1.2 skrll
150 1.2 skrll /* Return the handle from the VC */
151 1.2 skrll return vb_allocmem.vbt_am.size;
152 1.1 macallan }
153 1.1 macallan
154 1.1 macallan bus_addr_t
155 1.1 macallan rpi_lock_mem(uint32_t handle)
156 1.1 macallan {
157 1.1 macallan int error;
158 1.1 macallan uint32_t res;
159 1.1 macallan
160 1.1 macallan struct __aligned(16) {
161 1.1 macallan struct vcprop_buffer_hdr vb_hdr;
162 1.1 macallan struct vcprop_tag_lockmem vbt_lm;
163 1.1 macallan struct vcprop_tag end;
164 1.1 macallan } vb_lockmem =
165 1.1 macallan {
166 1.1 macallan .vb_hdr = {
167 1.1 macallan .vpb_len = sizeof(vb_lockmem),
168 1.1 macallan .vpb_rcode = VCPROP_PROCESS_REQUEST,
169 1.1 macallan },
170 1.1 macallan .vbt_lm = {
171 1.1 macallan .tag = {
172 1.1 macallan .vpt_tag = VCPROPTAG_LOCKMEM,
173 1.1 macallan .vpt_len = VCPROPTAG_LEN(vb_lockmem.vbt_lm),
174 1.1 macallan .vpt_rcode = VCPROPTAG_REQUEST,
175 1.1 macallan },
176 1.1 macallan .handle = handle,
177 1.1 macallan },
178 1.1 macallan .end = {
179 1.1 macallan .vpt_tag = VCPROPTAG_NULL,
180 1.1 macallan },
181 1.1 macallan };
182 1.1 macallan
183 1.1 macallan error = bcmmbox_request(BCMMBOX_CHANARM2VC, &vb_lockmem,
184 1.1 macallan sizeof(vb_lockmem), &res);
185 1.1 macallan #ifdef RPI_IOCTL_DEBUG
186 1.1 macallan printf("%s: %d %d %08x %08x\n", __func__,
187 1.1 macallan vb_lockmem.vbt_lm.handle, error, res,
188 1.1 macallan vb_lockmem.vbt_lm.tag.vpt_rcode);
189 1.1 macallan #endif
190 1.2 skrll if (error)
191 1.2 skrll return 0;
192 1.2 skrll
193 1.2 skrll if (!vcprop_buffer_success_p(&vb_lockmem.vb_hdr) ||
194 1.2 skrll !vcprop_tag_success_p(&vb_lockmem.vbt_lm.tag)) {
195 1.2 skrll return 0;
196 1.2 skrll }
197 1.2 skrll
198 1.2 skrll return vb_lockmem.vbt_lm.handle;
199 1.1 macallan }
200 1.1 macallan
201 1.1 macallan int
202 1.1 macallan rpi_unlock_mem(uint32_t handle)
203 1.1 macallan {
204 1.1 macallan int error;
205 1.1 macallan uint32_t res;
206 1.1 macallan
207 1.1 macallan struct __aligned(16) {
208 1.1 macallan struct vcprop_buffer_hdr vb_hdr;
209 1.1 macallan struct vcprop_tag_lockmem vbt_lm;
210 1.1 macallan struct vcprop_tag end;
211 1.1 macallan } vb_unlockmem =
212 1.1 macallan {
213 1.1 macallan .vb_hdr = {
214 1.1 macallan .vpb_len = sizeof(vb_unlockmem),
215 1.1 macallan .vpb_rcode = VCPROP_PROCESS_REQUEST,
216 1.1 macallan },
217 1.1 macallan .vbt_lm = {
218 1.1 macallan .tag = {
219 1.1 macallan .vpt_tag = VCPROPTAG_UNLOCKMEM,
220 1.1 macallan .vpt_len = VCPROPTAG_LEN(vb_unlockmem.vbt_lm),
221 1.1 macallan .vpt_rcode = VCPROPTAG_REQUEST,
222 1.1 macallan },
223 1.1 macallan .handle = handle,
224 1.1 macallan },
225 1.1 macallan .end = {
226 1.1 macallan .vpt_tag = VCPROPTAG_NULL,
227 1.1 macallan },
228 1.1 macallan };
229 1.1 macallan
230 1.1 macallan error = bcmmbox_request(BCMMBOX_CHANARM2VC, &vb_unlockmem,
231 1.1 macallan sizeof(vb_unlockmem), &res);
232 1.1 macallan #ifdef RPI_IOCTL_DEBUG
233 1.1 macallan printf("%s: %d %d %08x %08x\n", __func__,
234 1.1 macallan vb_unlockmem.vbt_lm.handle, error, res,
235 1.1 macallan vb_unlockmem.vbt_lm.tag.vpt_rcode);
236 1.1 macallan #endif
237 1.2 skrll if (error)
238 1.2 skrll return error;
239 1.2 skrll
240 1.2 skrll if (!vcprop_buffer_success_p(&vb_unlockmem.vb_hdr) ||
241 1.2 skrll !vcprop_tag_success_p(&vb_unlockmem.vbt_lm.tag)) {
242 1.2 skrll return EIO;
243 1.2 skrll }
244 1.2 skrll
245 1.2 skrll return 0;
246 1.1 macallan }
247 1.1 macallan
248 1.1 macallan int
249 1.1 macallan rpi_release_mem(uint32_t handle)
250 1.1 macallan {
251 1.1 macallan int error;
252 1.1 macallan uint32_t res;
253 1.1 macallan
254 1.1 macallan struct __aligned(16) {
255 1.1 macallan struct vcprop_buffer_hdr vb_hdr;
256 1.1 macallan struct vcprop_tag_lockmem vbt_lm;
257 1.1 macallan struct vcprop_tag end;
258 1.1 macallan } vb_releasemem =
259 1.1 macallan {
260 1.1 macallan .vb_hdr = {
261 1.1 macallan .vpb_len = sizeof(vb_releasemem),
262 1.1 macallan .vpb_rcode = VCPROP_PROCESS_REQUEST,
263 1.1 macallan },
264 1.1 macallan .vbt_lm = {
265 1.1 macallan .tag = {
266 1.1 macallan .vpt_tag = VCPROPTAG_RELEASEMEM,
267 1.1 macallan .vpt_len = VCPROPTAG_LEN(vb_releasemem.vbt_lm),
268 1.1 macallan .vpt_rcode = VCPROPTAG_REQUEST,
269 1.1 macallan },
270 1.1 macallan .handle = handle,
271 1.1 macallan },
272 1.1 macallan .end = {
273 1.1 macallan .vpt_tag = VCPROPTAG_NULL,
274 1.1 macallan },
275 1.1 macallan };
276 1.1 macallan
277 1.1 macallan error = bcmmbox_request(BCMMBOX_CHANARM2VC, &vb_releasemem,
278 1.1 macallan sizeof(vb_releasemem), &res);
279 1.1 macallan #ifdef RPI_IOCTL_DEBUG
280 1.1 macallan printf("%s: %d %d %08x %08x\n", __func__,
281 1.1 macallan vb_releasemem.vbt_lm.handle, error, res,
282 1.1 macallan vb_releasemem.vbt_lm.tag.vpt_rcode);
283 1.1 macallan #endif
284 1.2 skrll if (error)
285 1.2 skrll return error;
286 1.2 skrll
287 1.2 skrll if (!vcprop_buffer_success_p(&vb_releasemem.vb_hdr) ||
288 1.2 skrll !vcprop_tag_success_p(&vb_releasemem.vbt_lm.tag)) {
289 1.2 skrll return EIO;
290 1.2 skrll }
291 1.2 skrll
292 1.2 skrll return 0;
293 1.1 macallan }
294 1.1 macallan
295 1.1 macallan int
296 1.1 macallan rpi_fb_movecursor(int x, int y, int on)
297 1.1 macallan {
298 1.1 macallan int error;
299 1.1 macallan uint32_t res;
300 1.1 macallan
301 1.1 macallan struct __aligned(16) {
302 1.1 macallan struct vcprop_buffer_hdr vb_hdr;
303 1.1 macallan struct vcprop_tag_cursorstate vbt_cs;
304 1.1 macallan struct vcprop_tag end;
305 1.1 macallan } vb_cursorstate =
306 1.1 macallan {
307 1.1 macallan .vb_hdr = {
308 1.1 macallan .vpb_len = sizeof(vb_cursorstate),
309 1.1 macallan .vpb_rcode = VCPROP_PROCESS_REQUEST,
310 1.1 macallan },
311 1.1 macallan .vbt_cs = {
312 1.1 macallan .tag = {
313 1.1 macallan .vpt_tag = VCPROPTAG_SET_CURSOR_STATE,
314 1.1 macallan .vpt_len = VCPROPTAG_LEN(vb_cursorstate.vbt_cs),
315 1.1 macallan .vpt_rcode = VCPROPTAG_REQUEST,
316 1.1 macallan },
317 1.1 macallan .enable = (on != 0) ? 1 : 0,
318 1.1 macallan .x = x,
319 1.1 macallan .y = y,
320 1.1 macallan .flags = 1,
321 1.1 macallan },
322 1.1 macallan .end = {
323 1.1 macallan .vpt_tag = VCPROPTAG_NULL,
324 1.1 macallan },
325 1.1 macallan };
326 1.1 macallan
327 1.1 macallan error = bcmmbox_request(BCMMBOX_CHANARM2VC, &vb_cursorstate,
328 1.1 macallan sizeof(vb_cursorstate), &res);
329 1.1 macallan #ifdef RPI_IOCTL_DEBUG
330 1.1 macallan printf("%s: %08x %d %08x %08x\n", __func__,
331 1.1 macallan vb_cursorstate.vbt_cs.enable, error, res,
332 1.1 macallan vb_cursorstate.vbt_cs.tag.vpt_rcode);
333 1.1 macallan #endif
334 1.2 skrll if (error)
335 1.2 skrll return error;
336 1.2 skrll
337 1.2 skrll if (!vcprop_buffer_success_p(&vb_cursorstate.vb_hdr) ||
338 1.2 skrll !vcprop_tag_success_p(&vb_cursorstate.vbt_cs.tag)) {
339 1.2 skrll return EIO;
340 1.2 skrll }
341 1.2 skrll
342 1.2 skrll return 0;
343 1.1 macallan }
344 1.1 macallan
345 1.1 macallan int
346 1.1 macallan rpi_fb_initcursor(bus_addr_t pixels, int hx, int hy)
347 1.1 macallan {
348 1.1 macallan int error;
349 1.1 macallan uint32_t res;
350 1.1 macallan
351 1.1 macallan
352 1.1 macallan struct __aligned(16) {
353 1.1 macallan struct vcprop_buffer_hdr vb_hdr;
354 1.1 macallan struct vcprop_tag_cursorinfo vbt_ci;
355 1.1 macallan struct vcprop_tag end;
356 1.1 macallan } vb_cursorinfo =
357 1.1 macallan {
358 1.1 macallan .vb_hdr = {
359 1.1 macallan .vpb_len = sizeof(vb_cursorinfo),
360 1.1 macallan .vpb_rcode = VCPROP_PROCESS_REQUEST,
361 1.1 macallan },
362 1.1 macallan .vbt_ci = {
363 1.1 macallan .tag = {
364 1.1 macallan .vpt_tag = VCPROPTAG_SET_CURSOR_INFO,
365 1.1 macallan .vpt_len = VCPROPTAG_LEN(vb_cursorinfo.vbt_ci),
366 1.1 macallan .vpt_rcode = VCPROPTAG_REQUEST,
367 1.1 macallan },
368 1.1 macallan .width = 64,
369 1.1 macallan .height = 64,
370 1.1 macallan .format = 0,
371 1.1 macallan .pixels = pixels,
372 1.1 macallan .hotspot_x = hx,
373 1.1 macallan .hotspot_y = hy,
374 1.1 macallan },
375 1.1 macallan .end = {
376 1.1 macallan .vpt_tag = VCPROPTAG_NULL,
377 1.1 macallan },
378 1.1 macallan };
379 1.1 macallan
380 1.1 macallan error = bcmmbox_request(BCMMBOX_CHANARM2VC, &vb_cursorinfo,
381 1.1 macallan sizeof(vb_cursorinfo), &res);
382 1.1 macallan #ifdef RPI_IOCTL_DEBUG
383 1.1 macallan printf("%s: %d %d %08x %08x\n", __func__,
384 1.1 macallan vb_cursorinfo.vbt_ci.width, error, res,
385 1.1 macallan vb_cursorinfo.vbt_ci.tag.vpt_rcode);
386 1.1 macallan #endif
387 1.2 skrll if (error)
388 1.2 skrll return error;
389 1.2 skrll
390 1.2 skrll if (!vcprop_buffer_success_p(&vb_cursorinfo.vb_hdr) ||
391 1.2 skrll !vcprop_tag_success_p(&vb_cursorinfo.vbt_ci.tag)) {
392 1.2 skrll return EIO;
393 1.2 skrll }
394 1.2 skrll
395 1.2 skrll return 0;
396 1.1 macallan }
397