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1/*-
2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/isa/vga_isa.c 198964 2009-11-05 22:58:50Z jkim $");
28__FBSDID("$FreeBSD: head/sys/isa/vga_isa.c 199002 2009-11-06 20:32:26Z jkim $");
29
30#include "opt_vga.h"
31#include "opt_fb.h"
32#include "opt_syscons.h" /* should be removed in the future, XXX */
33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/kernel.h>

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112 adp.va_mem_base, adp.va_mem_size);
113#if 0
114 isa_set_port(dev, adp.va_io_base);
115 isa_set_portsize(dev, adp.va_io_size);
116 isa_set_maddr(dev, adp.va_mem_base);
117 isa_set_msize(dev, adp.va_mem_size);
118#endif
119 }
120 return error;
120 return (error);
121}
122
123static int
124isavga_attach(device_t dev)
125{
126 vga_softc_t *sc;
127 devclass_t dc;
128 device_t *devs;
129 void *vgapci_sc;
130 int count, i;
131 int unit;
132 int rid;
133 int error;
134
135 unit = device_get_unit(dev);
136 sc = device_get_softc(dev);
137
138 rid = 0;
139 bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
140 0, ~0, 0, RF_ACTIVE | RF_SHAREABLE);
141 rid = 0;
142 bus_alloc_resource(dev, SYS_RES_MEMORY, &rid,
143 0, ~0, 0, RF_ACTIVE | RF_SHAREABLE);
144
145 error = vga_attach_unit(unit, sc, device_get_flags(dev));
146 if (error)
143 return error;
147 return (error);
148
149#ifdef FB_INSTALL_CDEV
150 /* attach a virtual frame buffer device */
151 error = fb_attach(VGA_MKMINOR(unit), sc->adp, &isavga_cdevsw);
152 if (error)
149 return error;
153 return (error);
154#endif /* FB_INSTALL_CDEV */
155
156 if (0 && bootverbose)
157 vidd_diag(sc->adp, bootverbose);
158
159#if 0 /* experimental */
160 device_add_child(dev, "fb", -1);
161 bus_generic_attach(dev);
162#endif
163
160 return 0;
164 /* Find the matching PCI video controller. */
165 if (unit == 0) {
166 dc = devclass_find("vgapci");
167 if (dc != NULL &&
168 devclass_get_devices(dc, &devs, &count) == 0) {
169 for (i = 0; i < count; i++)
170 if (device_get_flags(devs[i]) != 0) {
171 sc->pci_dev = devs[i];
172 break;
173 }
174 free(devs, M_TEMP);
175 }
176 if (sc->pci_dev != NULL) {
177 vgapci_sc = device_get_softc(sc->pci_dev);
178 *(device_t *)vgapci_sc = dev;
179 device_printf(dev, "associated with %s\n",
180 device_get_nameunit(sc->pci_dev));
181 }
182 }
183
184 return (0);
185}
186
187static int
188isavga_suspend(device_t dev)
189{
190 vga_softc_t *sc;
191 device_t isa_dev;
192 int err, nbytes;
193
169 err = bus_generic_suspend(dev);
170 if (err)
171 return (err);
194 err = 0;
195 isa_dev = dev;
196 sc = device_get_softc(isa_dev);
197 if (sc->pci_dev != NULL)
198 dev = sc->pci_dev;
199 else
200 err = bus_generic_suspend(isa_dev);
201
173 sc = device_get_softc(dev);
174
202 /* Save the video state across the suspend. */
203 if (sc->state_buf != NULL)
204 goto save_palette;
205 nbytes = vidd_save_state(sc->adp, NULL, 0);
206 if (nbytes <= 0)
207 goto save_palette;
208 sc->state_buf = malloc(nbytes, M_TEMP, M_NOWAIT);
209 if (sc->state_buf == NULL)

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215 nbytes);
216 free(sc->state_buf, M_TEMP);
217 sc->state_buf = NULL;
218 }
219
220save_palette:
221 /* Save the color palette across the suspend. */
222 if (sc->pal_buf != NULL)
196 return (0);
223 return (err);
224 sc->pal_buf = malloc(256 * 3, M_TEMP, M_NOWAIT);
225 if (sc->pal_buf != NULL) {
226 if (bootverbose)
227 device_printf(dev, "saving color palette\n");
228 if (vidd_save_palette(sc->adp, sc->pal_buf) != 0) {
229 device_printf(dev, "failed to save palette\n");
230 free(sc->pal_buf, M_TEMP);
231 sc->pal_buf = NULL;
232 }
233 }
234
208 return (0);
235 return (err);
236}
237
238static int
239isavga_resume(device_t dev)
240{
241 vga_softc_t *sc;
242 device_t isa_dev;
243
216 sc = device_get_softc(dev);
244 isa_dev = dev;
245 sc = device_get_softc(isa_dev);
246 if (sc->pci_dev != NULL)
247 dev = sc->pci_dev;
248
249 if (sc->state_buf != NULL) {
250 if (vidd_load_state(sc->adp, sc->state_buf) != 0)
251 device_printf(dev, "failed to reload state\n");
252 free(sc->state_buf, M_TEMP);
253 sc->state_buf = NULL;
254 }
255 if (sc->pal_buf != NULL) {
256 if (vidd_load_palette(sc->adp, sc->pal_buf) != 0)
257 device_printf(dev, "failed to reload palette\n");
258 free(sc->pal_buf, M_TEMP);
259 sc->pal_buf = NULL;
260 }
261
231 return (bus_generic_resume(dev));
262 if (isa_dev != dev)
263 return (0);
264
265 return (bus_generic_resume(isa_dev));
266}
267
268#ifdef FB_INSTALL_CDEV
269
270static int
271isavga_open(struct cdev *dev, int flag, int mode, struct thread *td)
272{
239 return vga_open(dev, VGA_SOFTC(VGA_UNIT(dev)), flag, mode, td);
273 return (vga_open(dev, VGA_SOFTC(VGA_UNIT(dev)), flag, mode, td));
274}
275
276static int
277isavga_close(struct cdev *dev, int flag, int mode, struct thread *td)
278{
245 return vga_close(dev, VGA_SOFTC(VGA_UNIT(dev)), flag, mode, td);
279 return (vga_close(dev, VGA_SOFTC(VGA_UNIT(dev)), flag, mode, td));
280}
281
282static int
283isavga_read(struct cdev *dev, struct uio *uio, int flag)
284{
251 return vga_read(dev, VGA_SOFTC(VGA_UNIT(dev)), uio, flag);
285 return (vga_read(dev, VGA_SOFTC(VGA_UNIT(dev)), uio, flag));
286}
287
288static int
289isavga_write(struct cdev *dev, struct uio *uio, int flag)
290{
257 return vga_write(dev, VGA_SOFTC(VGA_UNIT(dev)), uio, flag);
291 return (vga_write(dev, VGA_SOFTC(VGA_UNIT(dev)), uio, flag));
292}
293
294static int
295isavga_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td)
296{
263 return vga_ioctl(dev, VGA_SOFTC(VGA_UNIT(dev)), cmd, arg, flag, td);
297 return (vga_ioctl(dev, VGA_SOFTC(VGA_UNIT(dev)), cmd, arg, flag, td));
298}
299
300static int
301isavga_mmap(struct cdev *dev, vm_offset_t offset, vm_paddr_t *paddr, int prot)
302{
269 return vga_mmap(dev, VGA_SOFTC(VGA_UNIT(dev)), offset, paddr, prot);
303 return (vga_mmap(dev, VGA_SOFTC(VGA_UNIT(dev)), offset, paddr, prot));
304}
305
306#endif /* FB_INSTALL_CDEV */
307
308static device_method_t isavga_methods[] = {
309 DEVMETHOD(device_identify, isavga_identify),
310 DEVMETHOD(device_probe, isavga_probe),
311 DEVMETHOD(device_attach, isavga_attach),

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