diff options
Diffstat (limited to 'xorg-server/hw/kdrive/r128/r128.c')
| -rw-r--r-- | xorg-server/hw/kdrive/r128/r128.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/xorg-server/hw/kdrive/r128/r128.c b/xorg-server/hw/kdrive/r128/r128.c new file mode 100644 index 000000000..9e7f312e0 --- /dev/null +++ b/xorg-server/hw/kdrive/r128/r128.c @@ -0,0 +1,250 @@ +/* + * Copyright © 2003 Anders Carlsson + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Anders Carlsson not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Anders Carlsson makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * ANDERS CARLSSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL ANDERS CARLSSON BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ +#ifdef HAVE_CONFIG_H +#include <kdrive-config.h> +#endif +#include "r128.h" + +static Bool +r128CardInit (KdCardInfo *card) +{ + R128CardInfo *r128c; + + r128c = (R128CardInfo *) xalloc (sizeof (R128CardInfo)); + if (!r128c) + return FALSE; + + r128MapReg (card, r128c); + + if (!vesaInitialize (card, &r128c->vesa)) + { + xfree (r128c); + return FALSE; + } + + r128c->fifo_size = 0; + + card->driver = r128c; + + return TRUE; +} + +static Bool +r128ScreenInit (KdScreenInfo *screen) +{ + R128ScreenInfo *r128s; + int screen_size, memory; + + r128s = (R128ScreenInfo *) xalloc (sizeof (R128ScreenInfo)); + if (!r128s) + return FALSE; + memset (r128s, '\0', sizeof (R128ScreenInfo)); + if (!vesaScreenInitialize (screen, &r128s->vesa)) + { + xfree (r128s); + return FALSE; + } +#if 0 + /* if (!r128c->reg) + screen->dumb = TRUE; */ + + if (r128s->vesa.mapping != VESA_LINEAR) + screen->dumb = TRUE; + + fprintf (stderr, "vesa mapping is %d\n", r128s->vesa.mapping); +#endif + r128s->screen = r128s->vesa.fb; + + memory = r128s->vesa.fb_size; + screen_size = screen->fb[0].byteStride * screen->height; + + memory -= screen_size; + if (memory > screen->fb[0].byteStride) + { + r128s->off_screen = r128s->screen + screen_size; + r128s->off_screen_size = memory; + } + else + { + r128s->off_screen = 0; + r128s->off_screen_size = 0; + } + screen->driver = r128s; + return TRUE; +} + +static Bool +r128InitScreen (ScreenPtr pScreen) +{ + return vesaInitScreen (pScreen); +} + +static Bool +r128FinishInitScreen (ScreenPtr pScreen) +{ + Bool ret; + + ret = vesaFinishInitScreen (pScreen); + + return ret; +} + +static void +r128Preserve (KdCardInfo *card) +{ + vesaPreserve (card); +} + +Bool +r128MapReg (KdCardInfo *card, R128CardInfo *r128c) +{ + r128c->reg_base = (CARD8 *) KdMapDevice (R128_REG_BASE (card), + R128_REG_SIZE (card)); + + if (!r128c->reg_base) + { + return FALSE; + } + + KdSetMappedMode (R128_REG_BASE (card), + R128_REG_SIZE (card), + KD_MAPPED_MODE_REGISTERS); + + return TRUE; +} + +void +r128UnmapReg (KdCardInfo *card, R128CardInfo *r128c) +{ + if (r128c->reg_base) + { + KdResetMappedMode (R128_REG_BASE (card), + R128_REG_SIZE (card), + KD_MAPPED_MODE_REGISTERS); + KdUnmapDevice ((void *) r128c->reg_base, R128_REG_SIZE (card)); + r128c->reg_base = 0; + } +} + +void +r128SetMMIO (KdCardInfo *card, R128CardInfo *r128c) +{ + if (!r128c->reg_base) + r128MapReg (card, r128c); +} + +void +r128ResetMMIO (KdCardInfo *card, R128CardInfo *r128c) +{ + r128UnmapReg (card, r128c); +} + + +static Bool +r128DPMS (ScreenPtr pScreen, int mode) +{ + /* XXX */ + return TRUE; +} + +static Bool +r128Enable (ScreenPtr pScreen) +{ + KdScreenPriv (pScreen); + R128CardInfo *r128c = pScreenPriv->card->driver; + + if (!vesaEnable (pScreen)) + return FALSE; + + r128SetMMIO (pScreenPriv->card, r128c); + r128DPMS (pScreen, KD_DPMS_NORMAL); + + return TRUE; +} + +static void +r128Disable (ScreenPtr pScreen) +{ + KdScreenPriv (pScreen); + R128CardInfo *r128c = pScreenPriv->card->driver; + + r128ResetMMIO (pScreenPriv->card, r128c); + vesaDisable (pScreen); +} + +static void +r128Restore (KdCardInfo *card) +{ + R128CardInfo *r128c = card->driver; + + r128ResetMMIO (card, r128c); + vesaRestore (card); +} + +static void +r128ScreenFini (KdScreenInfo *screen) +{ + R128ScreenInfo *r128s = (R128ScreenInfo *) screen->driver; + + vesaScreenFini (screen); + xfree (r128s); + screen->driver = 0; +} + +static void +r128CardFini (KdCardInfo *card) +{ + R128CardInfo *r128c = (R128CardInfo *)card->driver; + + r128UnmapReg (card, r128c); + vesaCardFini (card); +} + +KdCardFuncs r128Funcs = { + r128CardInit, /* cardinit */ + r128ScreenInit, /* scrinit */ + r128InitScreen, /* initScreen */ + r128FinishInitScreen, /* finishInitScreen */ + vesaCreateResources,/* createRes */ + r128Preserve, /* preserve */ + r128Enable, /* enable */ + r128DPMS, /* dpms */ + r128Disable, /* disable */ + r128Restore, /* restore */ + r128ScreenFini, /* scrfini */ + r128CardFini, /* cardfini */ + + 0, /* initCursor */ + 0, /* enableCursor */ + 0, /* disableCursor */ + 0, /* finiCursor */ + 0, /* recolorCursor */ + + r128DrawInit, /* initAccel */ + r128DrawEnable, /* enableAccel */ + r128DrawDisable, /* disableAccel */ + r128DrawFini, /* finiAccel */ + + vesaGetColors, /* getColors */ + vesaPutColors, /* putColors */ +}; + |