gten.c revision 1.22.2.1 1 1.22.2.1 thorpej /* $NetBSD: gten.c,v 1.22.2.1 2021/03/21 21:09:06 thorpej Exp $ */
2 1.2 matt
3 1.2 matt /*-
4 1.2 matt * Copyright (c) 2000 The NetBSD Foundation, Inc.
5 1.2 matt * All rights reserved.
6 1.2 matt *
7 1.2 matt * This code is derived from software contributed to The NetBSD Foundation
8 1.2 matt * by Matt Thomas <matt (at) 3am-software.com>
9 1.2 matt *
10 1.2 matt * Redistribution and use in source and binary forms, with or without
11 1.2 matt * modification, are permitted provided that the following conditions
12 1.2 matt * are met:
13 1.2 matt * 1. Redistributions of source code must retain the above copyright
14 1.2 matt * notice, this list of conditions and the following disclaimer.
15 1.2 matt * 2. Redistributions in binary form must reproduce the above copyright
16 1.2 matt * notice, this list of conditions and the following disclaimer in the
17 1.2 matt * documentation and/or other materials provided with the distribution.
18 1.2 matt *
19 1.2 matt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.2 matt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.2 matt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.2 matt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.2 matt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.2 matt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.2 matt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.2 matt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.2 matt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.2 matt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.2 matt * POSSIBILITY OF SUCH DAMAGE.
30 1.2 matt */
31 1.9 lukem
32 1.9 lukem #include <sys/cdefs.h>
33 1.22.2.1 thorpej __KERNEL_RCSID(0, "$NetBSD: gten.c,v 1.22.2.1 2021/03/21 21:09:06 thorpej Exp $");
34 1.1 matt
35 1.1 matt #include <sys/param.h>
36 1.1 matt #include <sys/buf.h>
37 1.1 matt #include <sys/conf.h>
38 1.1 matt #include <sys/device.h>
39 1.1 matt #include <sys/ioctl.h>
40 1.1 matt #include <sys/kernel.h>
41 1.22 thorpej #include <sys/kmem.h>
42 1.1 matt #include <sys/systm.h>
43 1.1 matt
44 1.1 matt #include <uvm/uvm_extern.h>
45 1.1 matt
46 1.1 matt #include <dev/pci/pcidevs.h>
47 1.1 matt #include <dev/pci/pcireg.h>
48 1.1 matt #include <dev/pci/pcivar.h>
49 1.1 matt
50 1.1 matt #include <dev/wscons/wsconsio.h>
51 1.1 matt #include <dev/wscons/wsdisplayvar.h>
52 1.1 matt #include <dev/rasops/rasops.h>
53 1.1 matt
54 1.20 dyoung #include <sys/bus.h>
55 1.1 matt #include <machine/gtenvar.h>
56 1.1 matt
57 1.19 matt static int gten_match(device_t, cfdata_t, void *);
58 1.19 matt static void gten_attach(device_t, device_t, void *);
59 1.14 garbled static int gten_print(void *, const char *);
60 1.1 matt
61 1.19 matt CFATTACH_DECL_NEW(gten, sizeof(struct gten_softc),
62 1.8 thorpej gten_match, gten_attach, NULL, NULL);
63 1.1 matt
64 1.1 matt static struct rasops_info gten_console_ri;
65 1.1 matt static pcitag_t gten_console_pcitag;
66 1.1 matt
67 1.1 matt static struct wsscreen_descr gten_stdscreen = {
68 1.1 matt "std",
69 1.1 matt 0, 0,
70 1.1 matt 0,
71 1.1 matt 0, 0,
72 1.1 matt WSSCREEN_REVERSE
73 1.1 matt };
74 1.1 matt
75 1.1 matt static const struct wsscreen_descr *_gten_scrlist[] = {
76 1.1 matt >en_stdscreen,
77 1.1 matt /* XXX other formats, graphics screen? */
78 1.1 matt };
79 1.1 matt
80 1.1 matt static struct wsscreen_list gten_screenlist = {
81 1.1 matt sizeof(_gten_scrlist) / sizeof(struct wsscreen_descr *), _gten_scrlist
82 1.1 matt };
83 1.1 matt
84 1.15 christos static int gten_ioctl(void *, void *, u_long, void *, int, struct proc *);
85 1.14 garbled static paddr_t gten_mmap(void *, void *, off_t, int);
86 1.14 garbled static int gten_alloc_screen(void *, const struct wsscreen_descr *,
87 1.14 garbled void **, int *, int *, long *);
88 1.14 garbled static void gten_free_screen(void *, void *);
89 1.14 garbled static int gten_show_screen(void *, void *, int,
90 1.14 garbled void (*) (void *, int, int), void *);
91 1.1 matt
92 1.2 matt static struct wsdisplay_accessops gten_accessops = {
93 1.1 matt gten_ioctl,
94 1.1 matt gten_mmap,
95 1.1 matt gten_alloc_screen,
96 1.1 matt gten_free_screen,
97 1.1 matt gten_show_screen,
98 1.1 matt 0 /* load_font */
99 1.1 matt };
100 1.1 matt
101 1.14 garbled static void gten_common_init(struct rasops_info *);
102 1.14 garbled static int gten_getcmap(struct gten_softc *, struct wsdisplay_cmap *);
103 1.14 garbled static int gten_putcmap(struct gten_softc *, struct wsdisplay_cmap *);
104 1.1 matt
105 1.2 matt #define GTEN_VRAM_OFFSET 0xf00000
106 1.2 matt
107 1.2 matt static int
108 1.19 matt gten_match(device_t parent, cfdata_t match, void *aux)
109 1.1 matt {
110 1.1 matt struct pci_attach_args *pa = aux;
111 1.1 matt
112 1.1 matt if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_WD &&
113 1.1 matt PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_WD_90C)
114 1.1 matt return 2;
115 1.1 matt
116 1.1 matt return 0;
117 1.1 matt }
118 1.1 matt
119 1.2 matt static void
120 1.19 matt gten_attach(device_t parent, device_t self, void *aux)
121 1.1 matt {
122 1.19 matt struct gten_softc *gt = device_private(self);
123 1.1 matt struct pci_attach_args *pa = aux;
124 1.1 matt struct wsemuldisplaydev_attach_args a;
125 1.1 matt int console = (pa->pa_tag == gten_console_pcitag);
126 1.1 matt int error;
127 1.1 matt char devinfo[256], pbuf[10];
128 1.1 matt
129 1.1 matt error = pci_mapreg_info(pa->pa_pc, pa->pa_tag, 0x14,
130 1.1 matt PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT,
131 1.1 matt >->gt_memaddr, >->gt_memsize, NULL);
132 1.1 matt if (error) {
133 1.16 garbled aprint_error(": can't determine memory size: error=%d\n",
134 1.1 matt error);
135 1.1 matt return;
136 1.1 matt }
137 1.19 matt gt->gt_dev = self;
138 1.1 matt if (console) {
139 1.1 matt gt->gt_ri = >en_console_ri;
140 1.1 matt gt->gt_nscreens = 1;
141 1.1 matt } else {
142 1.22 thorpej gt->gt_ri = kmem_zalloc(sizeof(*gt->gt_ri),
143 1.22 thorpej KM_SLEEP);
144 1.1 matt #if 0
145 1.1 matt error = pci_mapreg_map(pa, 0x14,
146 1.1 matt PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT,
147 1.1 matt BUS_SPACE_MAP_LINEAR, NULL,
148 1.1 matt (bus_space_handle_t *) >->gt_ri->ri_bits,
149 1.1 matt NULL, NULL);
150 1.1 matt #else
151 1.2 matt error = bus_space_map(pa->pa_memt, gt->gt_memaddr + GTEN_VRAM_OFFSET,
152 1.2 matt 960*1024, BUS_SPACE_MAP_LINEAR,
153 1.1 matt (bus_space_handle_t *) >->gt_ri->ri_bits);
154 1.1 matt #endif
155 1.1 matt if (error) {
156 1.16 garbled aprint_error(": can't map frame buffer: error=%d\n",
157 1.16 garbled error);
158 1.1 matt return;
159 1.1 matt }
160 1.1 matt
161 1.1 matt gten_common_init(gt->gt_ri);
162 1.1 matt }
163 1.1 matt
164 1.1 matt gt->gt_paddr = vtophys((vaddr_t)gt->gt_ri->ri_bits);
165 1.1 matt if (gt->gt_paddr == 0) {
166 1.16 garbled aprint_error(": cannot map framebuffer\n");
167 1.1 matt return;
168 1.1 matt }
169 1.2 matt gt->gt_psize = gt->gt_memsize - GTEN_VRAM_OFFSET;
170 1.1 matt
171 1.11 itojun pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
172 1.16 garbled aprint_normal(": %s\n", devinfo);
173 1.2 matt format_bytes(pbuf, sizeof(pbuf), gt->gt_psize);
174 1.19 matt aprint_normal_dev(self, "%s: %s, %dx%d, %dbpp\n", pbuf,
175 1.2 matt gt->gt_ri->ri_width, gt->gt_ri->ri_height,
176 1.2 matt gt->gt_ri->ri_depth);
177 1.2 matt #if defined(DEBUG)
178 1.19 matt aprint_debug_dev(self, "%s: text %dx%d, =+%d+%d\n",
179 1.2 matt gt->gt_ri->ri_cols, gt->gt_ri->ri_rows,
180 1.2 matt gt->gt_ri->ri_xorigin, gt->gt_ri->ri_yorigin);
181 1.2 matt
182 1.2 matt { int i;
183 1.2 matt struct rasops_info *ri = gt->gt_ri;
184 1.2 matt for (i = 0; i < 64; i++) {
185 1.2 matt int j = i * ri->ri_stride;
186 1.2 matt int k = (ri->ri_height - i - 1) * gt->gt_ri->ri_stride;
187 1.2 matt memset(ri->ri_bits + j, 0, 64 - i);
188 1.2 matt memset(ri->ri_bits + j + 64 - i, 255, i);
189 1.2 matt
190 1.2 matt memset(ri->ri_bits + j + ri->ri_width - 64 + i, 0, 64 - i);
191 1.2 matt memset(ri->ri_bits + j + ri->ri_width - 64, 255, i);
192 1.2 matt
193 1.2 matt memset(ri->ri_bits + k, 0, 64 - i);
194 1.2 matt memset(ri->ri_bits + k + 64 - i, 255, i);
195 1.2 matt
196 1.2 matt memset(ri->ri_bits + k + ri->ri_width - 64 + i, 0, 64 - i);
197 1.2 matt memset(ri->ri_bits + k + ri->ri_width - 64, 255, i);
198 1.2 matt }}
199 1.2 matt #endif
200 1.1 matt
201 1.1 matt gt->gt_cmap_red[0] = gt->gt_cmap_green[0] = gt->gt_cmap_blue[0] = 0;
202 1.1 matt gt->gt_cmap_red[15] = gt->gt_cmap_red[255] = 0xff;
203 1.1 matt gt->gt_cmap_green[15] = gt->gt_cmap_green[255] = 0xff;
204 1.1 matt gt->gt_cmap_blue[15] = gt->gt_cmap_blue[255] = 0xff;
205 1.1 matt
206 1.1 matt a.console = console;
207 1.1 matt a.scrdata = >en_screenlist;
208 1.1 matt a.accessops = >en_accessops;
209 1.1 matt a.accesscookie = gt;
210 1.1 matt
211 1.22.2.1 thorpej config_found(self, &a, wsemuldisplaydevprint, CFARG_EOL);
212 1.1 matt }
213 1.1 matt
214 1.1 matt static void
215 1.1 matt gten_common_init(struct rasops_info *ri)
216 1.1 matt {
217 1.1 matt int32_t addr, width, height, linebytes, depth;
218 1.1 matt int i, screenbytes;
219 1.1 matt
220 1.1 matt /* initialize rasops */
221 1.1 matt ri->ri_width = 640;
222 1.1 matt ri->ri_height = 480;
223 1.1 matt ri->ri_depth = 8;
224 1.1 matt ri->ri_stride = 640;
225 1.2 matt ri->ri_flg = RI_FORCEMONO | RI_FULLCLEAR;
226 1.1 matt
227 1.2 matt rasops_init(ri, 30, 80);
228 1.1 matt /* black on white */
229 1.1 matt ri->ri_devcmap[0] = 0xffffffff; /* bg */
230 1.1 matt ri->ri_devcmap[1] = 0; /* fg */
231 1.1 matt
232 1.2 matt memset(ri->ri_bits, 0xff, ri->ri_stride * ri->ri_height);
233 1.2 matt
234 1.1 matt gten_stdscreen.nrows = ri->ri_rows;
235 1.1 matt gten_stdscreen.ncols = ri->ri_cols;
236 1.1 matt gten_stdscreen.textops = &ri->ri_ops;
237 1.1 matt gten_stdscreen.capabilities = ri->ri_caps;
238 1.1 matt }
239 1.1 matt
240 1.2 matt static int
241 1.15 christos gten_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
242 1.14 garbled struct proc *p)
243 1.1 matt {
244 1.1 matt struct gten_softc *gt = v;
245 1.1 matt struct wsdisplay_fbinfo *wdf;
246 1.1 matt struct grfinfo *gm;
247 1.1 matt
248 1.1 matt switch (cmd) {
249 1.1 matt case WSDISPLAYIO_GTYPE:
250 1.1 matt *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; /* XXX ? */
251 1.1 matt return 0;
252 1.1 matt
253 1.1 matt case WSDISPLAYIO_GINFO:
254 1.1 matt wdf = (void *)data;
255 1.1 matt wdf->height = gt->gt_ri->ri_height;
256 1.1 matt wdf->width = gt->gt_ri->ri_width;
257 1.1 matt wdf->depth = gt->gt_ri->ri_depth;
258 1.1 matt wdf->cmsize = 256;
259 1.1 matt return 0;
260 1.1 matt
261 1.1 matt case WSDISPLAYIO_GETCMAP:
262 1.1 matt return gten_getcmap(gt, (struct wsdisplay_cmap *)data);
263 1.1 matt
264 1.1 matt case WSDISPLAYIO_PUTCMAP:
265 1.1 matt return gten_putcmap(gt, (struct wsdisplay_cmap *)data);
266 1.1 matt }
267 1.4 atatat return EPASSTHROUGH;
268 1.1 matt }
269 1.1 matt
270 1.2 matt static paddr_t
271 1.14 garbled gten_mmap(void *v, void *vs, off_t offset, int prot)
272 1.1 matt {
273 1.1 matt struct gten_softc *gt = v;
274 1.1 matt
275 1.2 matt if (offset >= 0 && offset < gt->gt_psize)
276 1.1 matt return gt->gt_paddr + offset;
277 1.2 matt if (offset >= 0x1000000 && offset < gt->gt_memsize)
278 1.2 matt return gt->gt_memaddr + offset - 0x1000000;
279 1.1 matt
280 1.1 matt return -1;
281 1.1 matt }
282 1.1 matt
283 1.2 matt static int
284 1.14 garbled gten_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
285 1.14 garbled int *curxp, int *curyp, long *attrp)
286 1.1 matt {
287 1.1 matt struct gten_softc *gt = v;
288 1.1 matt struct rasops_info *ri = gt->gt_ri;
289 1.1 matt long defattr;
290 1.1 matt
291 1.1 matt if (gt->gt_nscreens > 0)
292 1.1 matt return (ENOMEM);
293 1.1 matt
294 1.1 matt *cookiep = ri; /* one and only for now */
295 1.1 matt *curxp = 0;
296 1.1 matt *curyp = 0;
297 1.5 junyoung (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
298 1.1 matt *attrp = defattr;
299 1.1 matt gt->gt_nscreens++;
300 1.1 matt return 0;
301 1.1 matt }
302 1.1 matt
303 1.2 matt static void
304 1.14 garbled gten_free_screen(void *v, void *cookie)
305 1.1 matt {
306 1.1 matt struct gten_softc *gt = v;
307 1.1 matt
308 1.1 matt if (gt->gt_ri == >en_console_ri)
309 1.1 matt panic("gten_free_screen: console");
310 1.1 matt
311 1.1 matt gt->gt_nscreens--;
312 1.1 matt }
313 1.1 matt
314 1.2 matt static int
315 1.14 garbled gten_show_screen(void *v, void *cookie, int waitok,
316 1.14 garbled void (*cb)(void *, int, int), void *cbarg)
317 1.1 matt {
318 1.1 matt return (0);
319 1.1 matt }
320 1.1 matt
321 1.1 matt int
322 1.3 kleink gten_cnattach(pci_chipset_tag_t pc, bus_space_tag_t memt)
323 1.1 matt {
324 1.1 matt struct rasops_info *ri = >en_console_ri;
325 1.1 matt u_int32_t mapreg, id, mask, mapsize;
326 1.1 matt long defattr;
327 1.1 matt pcitag_t tag;
328 1.1 matt int s, error;
329 1.1 matt bus_size_t bussize;
330 1.1 matt bus_addr_t busaddr;
331 1.1 matt
332 1.3 kleink tag = pci_make_tag(pc, 0, 14, 0);
333 1.1 matt
334 1.3 kleink id = pci_conf_read(pc, tag, PCI_ID_REG);
335 1.1 matt if (PCI_VENDOR(id) != PCI_VENDOR_WD ||
336 1.1 matt PCI_PRODUCT(id) != PCI_PRODUCT_WD_90C)
337 1.1 matt return ENXIO;
338 1.1 matt
339 1.3 kleink mapreg = pci_conf_read(pc, tag, 0x14);
340 1.1 matt if (PCI_MAPREG_TYPE(mapreg) != PCI_MAPREG_TYPE_MEM ||
341 1.1 matt PCI_MAPREG_MEM_TYPE(mapreg) != PCI_MAPREG_MEM_TYPE_32BIT)
342 1.1 matt return ENXIO;
343 1.1 matt
344 1.1 matt s = splhigh();
345 1.3 kleink pci_conf_write(pc, tag, 0x14, 0xffffffff);
346 1.3 kleink mask = pci_conf_read(pc, tag, 0x14);
347 1.3 kleink pci_conf_write(pc, tag, 0x14, mapreg);
348 1.1 matt splx(s);
349 1.1 matt bussize = PCI_MAPREG_MEM_SIZE(mask);
350 1.1 matt busaddr = PCI_MAPREG_MEM_ADDR(mapreg);
351 1.1 matt
352 1.2 matt error = bus_space_map(memt, busaddr + GTEN_VRAM_OFFSET, 960*1024,
353 1.1 matt BUS_SPACE_MAP_LINEAR, (bus_space_handle_t *) &ri->ri_bits);
354 1.1 matt if (error)
355 1.1 matt return error;
356 1.1 matt
357 1.1 matt gten_common_init(ri);
358 1.1 matt
359 1.5 junyoung (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
360 1.1 matt wsdisplay_cnattach(>en_stdscreen, ri, 0, 0, defattr);
361 1.1 matt
362 1.1 matt gten_console_pcitag = tag;
363 1.1 matt
364 1.1 matt return 0;
365 1.1 matt }
366 1.1 matt
367 1.2 matt static int
368 1.14 garbled gten_getcmap(struct gten_softc *gt, struct wsdisplay_cmap *cm)
369 1.1 matt {
370 1.1 matt u_int index = cm->index;
371 1.1 matt u_int count = cm->count;
372 1.1 matt int error;
373 1.1 matt
374 1.1 matt if (index >= 256 || count > 256 || index + count > 256)
375 1.1 matt return EINVAL;
376 1.1 matt
377 1.1 matt error = copyout(>->gt_cmap_red[index], cm->red, count);
378 1.1 matt if (error)
379 1.1 matt return error;
380 1.1 matt error = copyout(>->gt_cmap_green[index], cm->green, count);
381 1.1 matt if (error)
382 1.1 matt return error;
383 1.1 matt error = copyout(>->gt_cmap_blue[index], cm->blue, count);
384 1.1 matt if (error)
385 1.1 matt return error;
386 1.1 matt
387 1.1 matt return 0;
388 1.1 matt }
389 1.1 matt
390 1.2 matt static int
391 1.14 garbled gten_putcmap(struct gten_softc *gt, struct wsdisplay_cmap *cm)
392 1.1 matt {
393 1.1 matt int index = cm->index;
394 1.1 matt int count = cm->count;
395 1.10 chs int i, error;
396 1.10 chs u_char rbuf[256], gbuf[256], bbuf[256];
397 1.1 matt
398 1.1 matt if (cm->index >= 256 || cm->count > 256 ||
399 1.1 matt (cm->index + cm->count) > 256)
400 1.1 matt return EINVAL;
401 1.10 chs error = copyin(cm->red, &rbuf[index], count);
402 1.10 chs if (error)
403 1.10 chs return error;
404 1.10 chs error = copyin(cm->green, &gbuf[index], count);
405 1.10 chs if (error)
406 1.10 chs return error;
407 1.10 chs error = copyin(cm->blue, &bbuf[index], count);
408 1.10 chs if (error)
409 1.10 chs return error;
410 1.1 matt
411 1.10 chs memcpy(>->gt_cmap_red[index], &rbuf[index], count);
412 1.10 chs memcpy(>->gt_cmap_green[index], &gbuf[index], count);
413 1.10 chs memcpy(>->gt_cmap_blue[index], &bbuf[index], count);
414 1.1 matt return 0;
415 1.1 matt }
416