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1.1 nbrk 1: /* $Id$ */
2: /*
3: * Jornada framebuffer.
4: * 640x240 @16bpp
5: */
6: #include <sys/param.h>
7: #include <sys/systm.h>
8: #include <sys/device.h>
9: #include <sys/proc.h>
10: #include <sys/conf.h>
11:
12: #include <dev/wscons/wsdisplayvar.h>
13: #include <dev/rasops/rasops.h>
14: #include <dev/wscons/wsconsio.h>
15: #include <dev/wsfont/vt220l8x10.h>
16:
17: #include <machine/bus.h>
18:
19: #include <arm/sa11x0/sa11x0_reg.h>
20: #include <arm/sa11x0/sa11x0_var.h>
21: #include <jornada/dev/jfbreg.h>
22:
23: #include "wsdisplay.h"
24:
25: #define JFB_DFLTWIDTH 640
26: #define JFB_DFLTHEIGHT 240
27: #define JFB_DFLTBPP 16
28:
29: struct jfb_softc {
30: struct device sc_dev;
31: bus_space_tag_t sc_bust;
32: bus_space_handle_t sc_bush;
33: uint8_t *sc_bits;
34:
35: int sc_width;
36: int sc_height;
37: int sc_depth;
38: int sc_linebytes;
39:
40: int sc_rows;
41: int sc_cols;
42:
43: struct rasops_info sc_ri;
44:
45: struct wsscreen_descr sc_wsd;
46: struct wsscreen_list sc_wsl;
47: struct wsscreen_descr *sc_scrlist[1];
48: };
49:
50: int jfb_match(struct device *parent, void *cf, void *aux);
51: void jfb_attach(struct device *parent, struct device *self, void *aux);
52: void jfbfakecnattach(bus_addr_t addr);
53: void jfb_rasopsinit(struct jfb_softc *sc);
54: void jfb_setcmap(struct rasops_info *ri);
55:
56: struct jfb_softc jfb_sc;
57: int jfb_initted = 0;
58:
59: /* autoconf stuff */
60: struct cfattach jfb_ca = {
61: sizeof(struct jfb_softc), jfb_match, jfb_attach, NULL, NULL
62: };
63:
64: struct cfdriver jfb_cd = {
65: NULL, "jfb", DV_DULL
66: };
67:
68:
69: int
70: jfb_match(struct device *parent, void *cf, void *aux)
71: {
72: return(1);
73: }
74:
75: void
76: jfb_attach(struct device *parent, struct device *self, void *aux)
77: {
78: struct jfb_softc *sc = (void *)self;
79: struct saip_attach_args *saa = aux;
80: struct wsemuldisplaydev_attach_args waa;
81:
82: sc->sc_bust = saa->sai_iot;
83:
84: /* use bootstrap softc if it is already configured */
85: // if (jfb_initted)
86: // *sc = jfb_sc;
87:
88: if (bus_space_map(sc->sc_bust, saa->sai_addr, JFB_SIZE , BUS_SPACE_MAP_LINEAR, &sc->sc_bush)) {
89: printf(": can't map i/o space\n");
90: return;
91: }
92:
93: sc->sc_bits = (uint8_t *)sc->sc_bush;
94:
95: /* TODO use flags for mode selection */
96: sc->sc_width = JFB_DFLTWIDTH;
97: sc->sc_height = JFB_DFLTHEIGHT;
98: sc->sc_depth = JFB_DFLTBPP;
99: sc->sc_linebytes = sc->sc_width * (sc->sc_depth / 8);
100:
101: sc->sc_cols = 80;
102: sc->sc_rows = 24;
103:
104: jfb_rasopsinit(sc);
105:
106: printf(": Jornada framebuffer (%dx%d @%dbpp)\n", sc->sc_width, sc->sc_height, sc->sc_depth);
107:
108: sc->sc_scrlist[0] = &sc->sc_wsd;
109: sc->sc_wsl.nscreens = 1;
110: sc->sc_wsl.screens = (const struct wsscreen_descr **)sc->sc_scrlist;
111:
112: waa.scrdata = &sc->sc_wsl;
113: waa.accesscookie = sc;
114: waa.defaultscreens = 0;
115:
116: config_found((struct device *)sc, &waa, wsemuldisplaydevprint);
117:
118: return;
119: }
120:
121: void
122: jfbfakecnattach(bus_addr_t addr)
123: {
124: struct jfb_softc *sc = &jfb_sc;
125:
126: sc->sc_bits = (uint8_t *)addr;
127:
128: if (jfb_initted == 0) {
129: /*
130: * First attachment.
131: * Initialize with defaults.
132: */
133:
134: /* clear the screen */
135: sc->sc_ri.ri_flg = RI_CLEAR | RI_FULLCLEAR;
136:
137: sc->sc_width = JFB_DFLTWIDTH;
138: sc->sc_height = JFB_DFLTHEIGHT;
139: sc->sc_depth = JFB_DFLTBPP;
140: sc->sc_linebytes = sc->sc_width * (sc->sc_depth / 8);
141:
142: sc->sc_cols = 80;
143: sc->sc_rows = 24;
144:
145: /* set up rasops */
146: jfb_rasopsinit(sc);
147:
148: jfb_initted = 1;
149:
150: wsdisplay_cnattach(&sc->sc_wsd, &sc->sc_ri, 0, 0, 0);
151: } else {
152: /*
153: * Already attached.
154: * Tweak some settings and reconfigure rasops.
155: */
156:
157: /* reset ri_bits */
158: sc->sc_ri.ri_flg &= ~RI_CFGDONE;
159: sc->sc_ri.ri_bits = sc->sc_bits;
160: /* do not clear the screen */
161: sc->sc_ri.ri_flg &= ~RI_CLEAR;
162:
163: rasops_reconfig(&sc->sc_ri, 160, 160);
164: }
165: }
166:
167: void
168: jfb_rasopsinit(struct jfb_softc *sc)
169: {
170: struct rasops_info *ri = &sc->sc_ri;
171: struct wsscreen_descr *wsd = &sc->sc_wsd;
172: extern struct wsdisplay_font vt220l8x10;
173:
174: ri->ri_hw = sc;
175: ri->ri_bits = sc->sc_bits;
176:
177: /* claim minimal colour capabilities */
178: ri->ri_caps = WSSCREEN_WSCOLORS;
179:
180: ri->ri_depth = sc->sc_depth;
181: ri->ri_width = sc->sc_width;
182: ri->ri_height = sc->sc_height;
183: ri->ri_stride = sc->sc_linebytes;
184:
185: /* FIXME: see how colors are packed in 16bits/pixel ? */
186: ri->ri_rnum = 5;
187: ri->ri_gnum = 6;
188: ri->ri_bnum = 5;
189: ri->ri_rpos = 11;
190: ri->ri_gpos = 5;
191: ri->ri_bpos = 0;
192:
193: ri->ri_font = &vt220l8x10;
194:
195: /* XXX XXX please tell me why? */
196: /* rasops_init(ri, sc->sc_cols, sc->sc_rows); */
197: rasops_init(ri, 160, 160);
198:
199: /* tune colours */
200: jfb_setcmap(ri);
201:
202: /* initialize wsscreen_descr */
203: strlcpy(wsd->name, "std", sizeof(wsd->name));
204: wsd->ncols = sc->sc_cols;
205: wsd->nrows = sc->sc_rows;
206: wsd->capabilities = ri->ri_caps;
207: wsd->textops = &ri->ri_ops;
208: }
209:
210: void
211: jfb_setcmap(struct rasops_info *ri)
212: {
213: /* more intensive white */
214: ri->ri_devcmap[WSCOL_WHITE] = 0xffff;
215: }