2 * Copyright (c) 1995, 1996 Carnegie-Mellon University.
5 * Author: Chris G. Demetriou
7 * Permission to use, copy, modify and distribute this software and
8 * its documentation is hereby granted, provided that both the copyright
9 * notice and this permission notice appear in all copies of the
10 * software, derivative works or modified versions, and any portions
11 * thereof, and that both notices appear in supporting documentation.
13 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
14 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
15 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
17 * Carnegie Mellon requests users of this software to return to
19 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
20 * School of Computer Science
21 * Carnegie Mellon University
22 * Pittsburgh PA 15213-3890
24 * any improvements or extensions that they make and grant Carnegie the
25 * rights to redistribute these changes.
27 * Copyright (c) 2000 Andrew Miklic, Andrew Gallatin, and Thomas V. Crimi
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
40 #include <sys/fcntl.h>
41 #include <sys/malloc.h>
45 #include <vm/vm_param.h>
48 #include <machine/md_var.h>
49 #include <machine/pc/bios.h>
50 #include <machine/clock.h>
51 #include <machine/bus.h>
52 #include <machine/pc/vesa.h>
53 #include <machine/resource.h>
58 #include <dev/pci/pcireg.h>
59 #include <dev/pci/pcivar.h>
61 #include <dev/fb/fbreg.h>
62 #include <dev/fb/gfb.h>
63 #include <dev/gfb/gfb_pci.h>
66 static devclass_t gfb_devclass;
69 extern struct gfb_font bold8x16;
70 extern struct gfb_softc *gfb_device_softcs[2][16];
73 pcigfb_attach(device_t dev)
78 int unit, flags, error, rid, va_index;
82 unit = device_get_unit(dev);
83 flags = device_get_flags(dev);
84 sc = device_get_softc(dev);
85 sc->rev = pci_get_revid(dev);
86 rid = GFB_MEM_BASE_RID;
87 sc->res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
88 RF_ACTIVE|PCI_RF_DENSE);
90 device_printf(dev, "couldn't map memory\n");
93 sc->btag = rman_get_bustag(sc->res);
94 sc->bhandle = rman_get_bushandle(sc->res);
96 /* Allocate interrupt (irq)... */
98 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
99 RF_SHAREABLE|RF_ACTIVE);
100 if(sc->irq == NULL) {
101 device_printf(dev, "Couldn't map interrupt\n");
104 if((va_index = vid_find_adapter(sc->driver_name, unit)) < 0) {
105 sc->adp = (video_adapter_t *)malloc(sizeof(video_adapter_t),
108 bzero(adp, sizeof(video_adapter_t));
109 vid_init_struct(adp, sc->driver_name, sc->type, unit);
110 if(vid_register(adp) < 0) {
111 free(sc->adp, M_DEVBUF);
114 adp->va_flags |= V_ADP_REGISTERED;
115 adp->va_model = sc->model;
116 adp->va_mem_base = (vm_offset_t)rman_get_virtual(sc->res);
117 adp->va_mem_size = rman_get_end(sc->res) -
118 rman_get_start(sc->res);
119 adp->va_io_base = (vm_offset_t)sc->res; /* XXX */
121 adp->va_crtc_addr = 0;
122 gfb_device_softcs[sc->model][unit] = sc;
123 sc->gfbc = (struct gfb_conf *)malloc(sizeof(struct gfb_conf),
125 bzero(sc->gfbc, sizeof(struct gfb_conf));
126 if((*vidsw[adp->va_index]->init)(unit, adp, flags)) {
127 device_printf(dev, "Couldn't initialize adapter\n");
129 gfb_device_softcs[sc->model][unit] = NULL;
130 free(sc->gfbc, M_DEVBUF);
131 free(sc->adp, M_DEVBUF);
134 sc->gfbc->palette.red =
135 (u_char *)malloc(sc->gfbc->palette.count, M_DEVBUF,
137 sc->gfbc->palette.green =
138 (u_char *)malloc(sc->gfbc->palette.count, M_DEVBUF,
140 sc->gfbc->palette.blue =
141 (u_char *)malloc(sc->gfbc->palette.count, M_DEVBUF,
143 sc->gfbc->cursor_palette.red =
144 (u_char *)malloc(sc->gfbc->cursor_palette.count, M_DEVBUF,
146 sc->gfbc->cursor_palette.green =
147 (u_char *)malloc(sc->gfbc->cursor_palette.count, M_DEVBUF,
149 sc->gfbc->cursor_palette.blue =
150 (u_char *)malloc(sc->gfbc->cursor_palette.count, M_DEVBUF,
152 if(gfb_init(unit, adp, flags)) {
153 device_printf(dev, "Couldn't initialize framebuffer\n");
155 gfb_device_softcs[sc->model][unit] = NULL;
156 free(sc->gfbc->cursor_palette.blue, M_DEVBUF);
157 free(sc->gfbc->cursor_palette.green, M_DEVBUF);
158 free(sc->gfbc->cursor_palette.red, M_DEVBUF);
159 free(sc->gfbc->palette.blue, M_DEVBUF);
160 free(sc->gfbc->palette.green, M_DEVBUF);
161 free(sc->gfbc->palette.red, M_DEVBUF);
162 free(sc->gfbc, M_DEVBUF);
163 free(sc->adp, M_DEVBUF);
167 (*vidsw[va_index]->probe)(unit, &adp, (void *)sc->driver_name,
170 sc->gfbc = gfb_device_softcs[sc->model][unit]->gfbc;
171 gfb_device_softcs[sc->model][unit] = sc;
174 device_printf(dev, "Board type %s\n", sc->gfbc->name);
175 device_printf(dev, "%d x %d, %dbpp, %s RAMDAC\n",
176 sc->adp->va_info.vi_width, sc->adp->va_info.vi_height,
177 sc->adp->va_info.vi_depth, sc->gfbc->ramdac_name);
178 #ifdef FB_INSTALL_CDEV
179 /* attach a virtual frame buffer device */
180 error = fb_attach(unit, sc->adp, sc->cdevsw);
184 (*vidsw[sc->adp->va_index]->diag)(sc->adp, bootverbose);
186 device_add_child(dev, "fb", -1);
187 bus_generic_attach(dev);
188 #endif /*experimental*/
189 #endif /*FB_INSTALL_CDEV*/
192 if(sc->intrhand != NULL) {
193 bus_teardown_intr(dev, sc->irq, sc->intrhand);
196 if(sc->irq != NULL) {
198 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->irq);
201 if(sc->res != NULL) {
202 rid = GFB_MEM_BASE_RID;
203 bus_release_resource(dev, SYS_RES_MEMORY, rid, sc->res);
213 pcigfb_detach(device_t dev)
215 struct gfb_softc *sc;
218 sc = device_get_softc(dev);
219 bus_teardown_intr(dev, sc->irq, sc->intrhand);
221 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->irq);
222 rid = GFB_MEM_BASE_RID;
223 bus_release_resource(dev, SYS_RES_MEMORY, rid, sc->res);
227 #ifdef FB_INSTALL_CDEV
230 pcigfb_open(struct cdev *dev, int flag, int mode, struct thread *td)
232 struct gfb_softc *sc;
235 sc = (struct gfb_softc *)devclass_get_softc(gfb_devclass, minor(dev));
239 else if(mode & (O_CREAT | O_APPEND | O_TRUNC))
242 error = genfbopen(&sc->gensc, sc->adp, flag, mode, td);
247 pcigfb_close(struct cdev *dev, int flag, int mode, struct thread *td)
249 struct gfb_softc *sc;
251 sc = (struct gfb_softc *)devclass_get_softc(gfb_devclass, minor(dev));
252 return genfbclose(&sc->gensc, sc->adp, flag, mode, td);
256 pcigfb_read(struct cdev *dev, struct uio *uio, int flag)
258 struct gfb_softc *sc;
260 sc = (struct gfb_softc *)devclass_get_softc(gfb_devclass, minor(dev));
261 return genfbread(&sc->gensc, sc->adp, uio, flag);
265 pcigfb_write(struct cdev *dev, struct uio *uio, int flag)
267 struct gfb_softc *sc;
269 sc = (struct gfb_softc *)devclass_get_softc(gfb_devclass, minor(dev));
270 return genfbwrite(&sc->gensc, sc->adp, uio, flag);
274 pcigfb_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td)
276 struct gfb_softc *sc;
278 sc = (struct gfb_softc *)devclass_get_softc(gfb_devclass, minor(dev));
279 return genfbioctl(&sc->gensc, sc->adp, cmd, arg, flag, td);
283 pcigfb_mmap(struct cdev *dev, vm_offset_t offset, vm_paddr_t *paddr, int prot)
285 struct gfb_softc *sc;
287 sc = (struct gfb_softc *)devclass_get_softc(gfb_devclass, minor(dev));
288 return genfbmmap(&sc->gensc, sc->adp, offset, paddr, prot);
291 #endif /*FB_INSTALL_CDEV*/