diff options
Diffstat (limited to 'hw/kdrive/trio/s3.c')
| -rw-r--r-- | hw/kdrive/trio/s3.c | 1016 |
1 files changed, 0 insertions, 1016 deletions
diff --git a/hw/kdrive/trio/s3.c b/hw/kdrive/trio/s3.c deleted file mode 100644 index c8359733b..000000000 --- a/hw/kdrive/trio/s3.c +++ /dev/null @@ -1,1016 +0,0 @@ -/* - * Id: s3.c,v 1.1 1999/11/02 08:17:24 keithp Exp $ - * - * Copyright © 1999 Keith Packard - * - * 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 Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD 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. - */ -/* $RCSId: xc/programs/Xserver/hw/kdrive/trio/s3.c,v 1.4 2000/05/06 22:17:52 keithp Exp $ */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "s3.h" - -#define REGISTERS_OFFSET (0x1000000) -#define PACKED_OFFSET (0x8100) - - -CARD8 -_s3ReadIndexRegister (volatile CARD8 *base, CARD8 index) -{ - CARD8 ret; - *base = index; - ret = *(base + 1); - DRAW_DEBUG ((DEBUG_CRTC, " 0x%3x 0x%02x -> 0x%02x", - ((int) base) & 0xfff, index, ret)); - return ret; -} - -void -_s3WriteIndexRegister (volatile CARD8 *base, CARD8 index, CARD8 value) -{ - DRAW_DEBUG ((DEBUG_CRTC, " 0x%3x 0x%02x <- 0x%02x", - ((int) base) & 0xfff, index, value)); - *base = index; - *(base + 1) = value; -} - -/* - * Map the S3 card and detect its configuration. Do not touch the card - */ - -static void -_s3LoadCrtc (S3Ptr s3, S3Crtc *crtc) -{ - crtc->h_total_0_7 = GetCrtc (s3, 0x00); - crtc->h_display_end_0_7 = GetCrtc (s3, 0x01); - crtc->h_blank_start_0_7 = GetCrtc (s3, 0x02); - crtc->_h_blank_end = GetCrtc (s3, 0x03); - crtc->h_sync_start_0_7 = GetCrtc (s3, 0x04); - crtc->_h_sync_end = GetCrtc (s3, 0x05); - crtc->v_total_0_7 = GetCrtc (s3, 0x06); - crtc->crtc_overflow = GetCrtc (s3, 0x07); - crtc->preset_row_scan = GetCrtc (s3, 0x08); - crtc->_max_scan_line = GetCrtc (s3, 0x09); - - crtc->start_address_8_15 = GetCrtc (s3, 0x0c); - crtc->start_address_0_7 = GetCrtc (s3, 0x0d); - - crtc->v_retrace_start_0_7 = GetCrtc (s3, 0x10); - crtc->_v_retrace_end = GetCrtc (s3, 0x11); - crtc->v_display_end_0_7 = GetCrtc (s3, 0x12); - crtc->screen_off_0_7 = GetCrtc (s3, 0x13); - - crtc->v_blank_start_0_7 = GetCrtc (s3, 0x15); - crtc->v_blank_end_0_7 = GetCrtc (s3, 0x16); - - crtc->line_compare_0_7 = GetCrtc (s3, 0x18); - - crtc->memory_configuration = GetCrtc (s3, 0x31); - - crtc->misc_1 = GetCrtc (s3, 0x3a); - crtc->h_start_fifo_fetch_0_7 = GetCrtc (s3, 0x3b); - - crtc->mode_control = GetCrtc (s3, 0x42); - - crtc->hardware_cursor_mode = GetCrtc (s3, 0x45); - crtc->cursor_address_8_15 = GetCrtc (s3, 0x4C); - crtc->cursor_address_0_7 = GetCrtc (s3, 0x4D); - - crtc->extended_system_control_1 = GetCrtc (s3, 0x50); - crtc->extended_system_control_2 = GetCrtc (s3, 0x51); - - crtc->extended_memory_control = GetCrtc (s3, 0x53); - - crtc->extended_ramdac_control = GetCrtc (s3, 0x55); - - crtc->extended_horizontal_overflow = GetCrtc (s3, 0x5d); - crtc->extended_vertical_overflow = GetCrtc (s3, 0x5e); - - crtc->l_parm_0_7 = GetCrtc (s3, 0x62); - - crtc->extended_misc_control = GetCrtc (s3, 0x65); - - crtc->extended_misc_control_2 = GetCrtc (s3, 0x67); - - crtc->configuration_3 = GetCrtc (s3, 0x68); - - crtc->extended_system_control_3 = GetCrtc (s3, 0x69); - - crtc->extended_bios_5 = GetCrtc (s3, 0x6d); - - crtc->extended_sequencer_b = GetSrtc (s3, 0x0b); - crtc->extended_sequencer_d = GetSrtc (s3, 0x0d); - crtc->dclk_value_low = GetSrtc (s3, 0x12); - crtc->dclk_value_high = GetSrtc (s3, 0x13); - crtc->control_2 = GetSrtc (s3, 0x15); - crtc->ramdac_control = GetSrtc (s3, 0x18); - -/* combine values */ - - switch (crtc_ge_screen_width(crtc)) { - case 0: - if (crtc->enable_two_page) - crtc->ge_screen_pitch = 2048; - else - crtc->ge_screen_pitch = 1024; - break; - case 1: - crtc->ge_screen_pitch = 640; - break; - case 2: - /* ignore magic 1600x1200x4 mode */ - crtc->ge_screen_pitch = 800; - break; - case 3: - crtc->ge_screen_pitch = 1280; - break; - case 4: - crtc->ge_screen_pitch = 1152; - break; - case 5: - crtc->ge_screen_pitch = 0; /* reserved */ - break; - case 6: - crtc->ge_screen_pitch = 1600; - break; - case 7: - crtc->ge_screen_pitch = 0; /* reserved */ - break; - } - switch (crtc->pixel_length) { - case 0: - crtc->bits_per_pixel = 8; - crtc->pixel_width = (crtc_h_display_end(crtc) + 1) * 8; - break; - case 1: - crtc->bits_per_pixel = 16; - crtc->pixel_width = (crtc_h_display_end(crtc) + 1) * 4; - break; - case 3: - crtc->bits_per_pixel = 32; - crtc->pixel_width = (crtc_h_display_end(crtc) + 1) * 8; - break; - } - crtc->double_pixel_mode = 0; - switch (crtc->color_mode) { - case 0x0: - crtc->depth = 8; break; - case 0x1: - crtc->depth = 8; crtc->double_pixel_mode = 1; break; - case 0x3: - crtc->depth = 15; break; - case 0x5: - crtc->depth = 16; break; - case 0x7: - crtc->depth = 24; break; /* unused */ - case 0xd: - crtc->depth = 24; break; - } -} - -static void -_s3SetBlank (S3Ptr s3, Bool blank) -{ - CARD8 clock_mode; - - DRAW_DEBUG ((DEBUG_S3INIT, "3c4 at 0x%x\n", &s3->crt_vga_3c4)); - clock_mode = _s3ReadIndexRegister (&s3->crt_vga_3c4, 0x01); - if (blank) - clock_mode |= 0x20; - else - clock_mode &= ~0x20; - _s3WaitVRetrace (s3); - _s3WriteIndexRegister (&s3->crt_vga_3c4, 0x01, clock_mode); - DRAW_DEBUG ((DEBUG_S3INIT, "blank is set to 0x%x", clock_mode)); -} - -static void -_s3SetDepth (S3Ptr s3, S3Crtc *crtc) -{ - CARD8 save_3c2; - _s3SetBlank (s3, TRUE); - PutCrtc(s3, 0x38, 0x48); - PutCrtc(s3, 0x39, 0xA0); - PutCrtc(s3, 0x00, crtc->h_total_0_7); - PutCrtc(s3, 0x01, crtc->h_display_end_0_7); - PutCrtc(s3, 0x02, crtc->h_blank_start_0_7); - PutCrtc(s3, 0x03, crtc->_h_blank_end); - PutCrtc(s3, 0x04, crtc->h_sync_start_0_7); - PutCrtc(s3, 0x05, crtc->_h_sync_end); - PutCrtc(s3, 0x06, crtc->v_total_0_7); - PutCrtc(s3, 0x07, crtc->crtc_overflow); - PutCrtc(s3, 0x09, crtc->_max_scan_line); - PutCrtc(s3, 0x0c, crtc->start_address_8_15); - PutCrtc(s3, 0x0d, crtc->start_address_0_7); - PutCrtc(s3, 0x10, crtc->v_retrace_start_0_7); - PutCrtc(s3, 0x11, crtc->_v_retrace_end); - PutCrtc(s3, 0x12, crtc->v_display_end_0_7); - PutCrtc(s3, 0x13, crtc->screen_off_0_7); - PutCrtc(s3, 0x15, crtc->v_blank_start_0_7); - PutCrtc(s3, 0x16, crtc->v_blank_end_0_7); - PutCrtc(s3, 0x18, crtc->line_compare_0_7); - PutCrtc(s3, 0x31, crtc->memory_configuration); - PutCrtc(s3, 0x3a, crtc->misc_1); - PutCrtc(s3, 0x3b, crtc->h_start_fifo_fetch_0_7); - PutCrtc(s3, 0x42, crtc->mode_control); - PutCrtc(s3, 0x45, crtc->hardware_cursor_mode); - PutCrtc(s3, 0x4c, crtc->cursor_address_8_15); - PutCrtc(s3, 0x4d, crtc->cursor_address_0_7); - PutCrtc(s3, 0x50, crtc->extended_system_control_1); - PutCrtc(s3, 0x51, crtc->extended_system_control_2); - PutCrtc(s3, 0x53, crtc->extended_memory_control); - PutCrtc(s3, 0x55, crtc->extended_ramdac_control); - PutCrtc(s3, 0x5d, crtc->extended_horizontal_overflow); - PutCrtc(s3, 0x5e, crtc->extended_vertical_overflow); - PutCrtc(s3, 0x62, crtc->l_parm_0_7); - PutCrtc(s3, 0x65, crtc->extended_misc_control); - PutCrtc(s3, 0x67, crtc->extended_misc_control_2); - PutCrtc(s3, 0x68, crtc->configuration_3); - PutCrtc(s3, 0x69, crtc->extended_system_control_3); - PutCrtc(s3, 0x6d, crtc->extended_bios_5); - PutCrtc(s3, 0x39, 0x00); - PutCrtc(s3, 0x38, 0x00); - PutSrtc(s3, 0x0b, crtc->extended_sequencer_b); - PutSrtc(s3, 0x0d, crtc->extended_sequencer_d); - /* - * Move new dclk/mclk values into PLL - */ - save_3c2 = s3->crt_vga_3cc; - DRAW_DEBUG ((DEBUG_S3INIT, "save_3c2 0x%x", save_3c2)); - s3->crt_vga_3c2 = save_3c2 | 0x0c; - - PutSrtc(s3, 0x12, crtc->dclk_value_low); - PutSrtc(s3, 0x13, crtc->dclk_value_high); - - DRAW_DEBUG ((DEBUG_S3INIT, "Set PLL load enable, frobbing clk_load...")); - crtc->dfrq_en = 1; - PutSrtc(s3, 0x15, crtc->control_2); - PutSrtc(s3, 0x18, crtc->ramdac_control); - - DRAW_DEBUG ((DEBUG_S3INIT, "Clk load frobbed, restoring 3c2 to 0x%x", save_3c2)); - s3->crt_vga_3c2 = save_3c2; - - DRAW_DEBUG ((DEBUG_S3INIT, "Enabling display")); - _s3SetBlank (s3, FALSE); -} - -void -_s3RestoreCrtc (S3Ptr s3, S3Crtc *crtc) -{ - _s3SetDepth (s3, crtc); -} - -s3Reset (S3CardInfo *s3c) -{ - S3Ptr s3 = s3c->s3; - S3Save *save = &s3c->save; - CARD8 *cursor_base; - - LockS3 (s3c); - - _s3UnlockExt (s3); - - _s3RestoreCrtc (s3, &save->crtc); - - /* set foreground */ - /* Reset cursor color stack pointers */ - (void) GetCrtc(s3, 0x45); - PutCrtc(s3, 0x4a, save->cursor_fg); - /* XXX for deeper screens? */ - - /* set background */ - /* Reset cursor color stack pointers */ - (void) GetCrtc(s3, 0x45); - PutCrtc(s3, 0x4b, save->cursor_bg); - - _s3LockExt (s3); - - /* graphics engine state */ - s3->alt_mix = save->alt_mix; - s3->write_mask = save->write_mask; - s3->fg = save->fg; - s3->bg = save->bg; - /* XXX should save and restore real values? */ - s3->scissors_tl = 0x00000000; - s3->scissors_br = 0x0fff0fff; - - _s3WriteIndexRegister (&s3->crt_vga_3c4, 0x01, save->clock_mode); - PutCrtc(s3, 0x39, save->lock2); - PutCrtc(s3, 0x38, save->lock1); - - UnlockS3 (s3c); -} - -void -s3Save (S3CardInfo *s3c) -{ - S3Ptr s3 = s3c->s3; - S3Save *save = &s3c->save; - S3Crtc newCrtc; - CARD8 t1, t2; - CARD8 *cursor_base; - - LockS3 (s3c); - - save->alt_mix = s3->alt_mix; - save->write_mask = s3->write_mask; - save->fg = s3->fg; - save->bg = s3->bg; - - save->lock1 = GetCrtc(s3, 0x38); - save->lock2 = GetCrtc(s3, 0x39); - save->clock_mode = _s3ReadIndexRegister (&s3->crt_vga_3c4, 0x01); - - _s3UnlockExt (s3); - save->cursor_fg = GetCrtc(s3, 0x4a); - save->cursor_bg = GetCrtc(s3, 0x4b); - - _s3LoadCrtc (s3, &save->crtc); - - _s3LockExt (s3); - - UnlockS3 (s3c); -} -Bool -s3CardInit (KdCardInfo *card) -{ - S3CardInfo *s3c; - S3Ptr s3; - int size; - CARD8 *registers; - CARD32 s3Address = card->attr.address[0]; - CARD8 *temp_buffer; - - DRAW_DEBUG ((DEBUG_S3INIT, "s3CardInit")); - s3c = (S3CardInfo *) xalloc (sizeof (S3CardInfo)); - if (!s3c) - { - DRAW_DEBUG ((DEBUG_FAILURE, "can't alloc s3 card info")); - goto bail0; - } - - memset (s3c, '\0', sizeof (S3CardInfo)); - - card->driver = s3c; - - fprintf (stderr, "S3 at 0x%x\n", s3Address); - registers = KdMapDevice (s3Address + REGISTERS_OFFSET, - sizeof (S3) + PACKED_OFFSET); - if (!registers) - { - ErrorF ("Can't map s3 device\n"); - goto bail2; - } - s3 = (S3Ptr) (registers + PACKED_OFFSET); - s3c->registers = registers; - s3c->s3 = s3; - - s3->crt_vga_3c3 = 1; /* wake up part from deep sleep */ - s3->crt_vga_3c2 = 0x01 | 0x02 | 0x0c; - - s3->crt_vga_3c4 = 0x58; - s3->crt_vga_3c5 = 0x10 | 0x3; - - /* - * Can't trust S3 register value for frame buffer amount, must compute - */ - temp_buffer = KdMapDevice (s3Address, 4096 * 1024); - - s3c->memory = KdFrameBufferSize (temp_buffer, 4096 * 1024); - - DRAW_DEBUG ((DEBUG_S3INIT, "Detected frame buffer %d", s3c->memory)); - - KdUnmapDevice (temp_buffer, 4096 * 1024); - - if (!s3c->memory) - { - ErrorF ("Can't detect s3 frame buffer\n"); - goto bail3; - } - - s3c->frameBuffer = KdMapDevice (s3Address, s3c->memory); - if (!s3c->frameBuffer) - { - ErrorF ("Can't map s3 frame buffer\n"); - goto bail3; - } - - card->driver = s3c; - - return TRUE; -bail3: - KdUnmapDevice ((void *) s3, sizeof (S3)); -bail2: -bail1: - xfree (s3c); -bail0: - return FALSE; -} - -Bool -s3ModeSupported (KdScreenInfo *screen, - const KdMonitorTiming *t) -{ - if (t->horizontal != 1600 && - t->horizontal != 1280 && - t->horizontal != 1152 && - t->horizontal != 1024 && - t->horizontal != 800 && - t->horizontal != 640) - return FALSE; - if (t->clock > S3_MAX_CLOCK * 2) - return FALSE; - return TRUE; -} - -Bool -s3ModeUsable (KdScreenInfo *screen) -{ - KdCardInfo *card = screen->card; - S3CardInfo *s3c = (S3CardInfo *) card->driver; - int screen_size; - int pixel_width; - int byte_width; - - if (screen->fb[0].depth >= 24) - { - screen->fb[0].depth = 24; - screen->fb[0].bitsPerPixel = 32; - } - else if (screen->fb[0].depth >= 16) - { - screen->fb[0].depth = 16; - screen->fb[0].bitsPerPixel = 16; - } - else if (screen->fb[0].depth >= 15) - { - screen->fb[0].depth = 15; - screen->fb[0].bitsPerPixel = 16; - } - else - { - screen->fb[0].depth = 8; - screen->fb[0].bitsPerPixel = 8; - } - - byte_width = screen->width * (screen->fb[0].bitsPerPixel >> 3); - pixel_width = screen->width; - screen->fb[0].pixelStride = pixel_width; - screen->fb[0].byteStride = byte_width; - - screen_size = byte_width * screen->height; - - return screen_size <= s3c->memory; -} - -Bool -s3ScreenInit (KdScreenInfo *screen) -{ - KdCardInfo *card = screen->card; - S3CardInfo *s3c = (S3CardInfo *) card->driver; - S3ScreenInfo *s3s; - int screen_size; - int memory; - int requested_memory; - int v_total, h_total; - int byte_width; - int pixel_width; - int m, n, r; - int i; - const KdMonitorTiming *t; - - DRAW_DEBUG ((DEBUG_S3INIT, "s3ScreenInit")); - s3s = (S3ScreenInfo *) xalloc (sizeof (S3ScreenInfo)); - if (!s3s) - return FALSE; - - memset (s3s, '\0', sizeof (S3ScreenInfo)); - - if (!screen->width || !screen->height) - { - screen->width = 800; - screen->height = 600; - screen->rate = 72; - } - if (!screen->fb[0].depth) - screen->fb[0].depth = 8; - - DRAW_DEBUG ((DEBUG_S3INIT, "Requested parameters %dx%dx%d", - screen->width, screen->height, screen->rate)); - t = KdFindMode (screen, s3ModeSupported); - screen->rate = t->rate; - screen->width = t->horizontal; - screen->height = t->vertical; - s3GetClock (t->clock, &m, &n, &r, 127, 31, 3); -#if 0 - fprintf (stderr, "computed %d,%d,%d (%d) provided %d,%d,%d (%d)\n", - m, n, r, S3_CLOCK(m,n,r), - t->dac_m, t->dac_n, t->dac_r, - S3_CLOCK(t->dac_m, t->dac_n, t->dac_r)); -#endif - /* - * Can only operate in pixel-doubled mode at 8 bits per pixel - */ - if (screen->fb[0].depth > 8 && S3_CLOCK(m,n,r) > S3_MAX_CLOCK) - screen->fb[0].depth = 8; - - if (!KdTuneMode (screen, s3ModeUsable, s3ModeSupported)) - { - xfree (s3s); - return FALSE; - } - - memory = s3c->memory - screen_size; - - /* - * Stick frame buffer at start of memory - */ - screen->fb[0].frameBuffer = s3c->frameBuffer; - - /* - * Stick cursor at end of memory - */ - if (memory >= 2048) - { - s3s->cursor_base = s3c->frameBuffer + (s3c->memory - 2048); - memory -= 2048; - } - else - s3s->cursor_base = 0; - - /* - * Use remaining memory for off-screen storage, but only use - * one piece (either right or bottom). - */ - if (memory >= byte_width * S3_TILE_SIZE) - { - s3s->fb[0].offscreen = s3c->frameBuffer + screen_size; - s3s->fb[0].offscreen_x = 0; - s3s->fb[0].offscreen_y = screen_size / byte_width; - s3s->fb[0].offscreen_width = pixel_width; - s3s->fb[0].offscreen_height = memory / byte_width; - memory -= s3s->fb[0].offscreen_height * byte_width; - } - else if (pixel_width - screen->width >= S3_TILE_SIZE) - { - s3s->fb[0].offscreen = s3c->frameBuffer + screen->width; - s3s->fb[0].offscreen_x = screen->width; - s3s->fb[0].offscreen_y = 0; - s3s->fb[0].offscreen_width = pixel_width - screen->width; - s3s->fb[0].offscreen_height = screen->height; - } - else - s3s->fb[0].offscreen = 0; - - DRAW_DEBUG ((DEBUG_S3INIT, "depth %d bits %d", screen->fb[0].depth, screen->fb[0].bitsPerPixel)); - - DRAW_DEBUG ((DEBUG_S3INIT, "Screen size %dx%d memory %d", - screen->width, screen->height, s3c->memory)); - DRAW_DEBUG ((DEBUG_S3INIT, "frame buffer 0x%x cursor 0x%x offscreen 0x%x", - s3c->frameBuffer, s3s->cursor_base, s3s->offscreen)); - DRAW_DEBUG ((DEBUG_S3INIT, "offscreen %dx%d+%d+%d", - s3s->offscreen_width, s3s->offscreen_height, - s3s->offscreen_x, s3s->offscreen_y)); - - switch (screen->fb[0].depth) { - case 8: - screen->fb[0].visuals = ((1 << StaticGray) | - (1 << GrayScale) | - (1 << StaticColor) | - (1 << PseudoColor) | - (1 << TrueColor) | - (1 << DirectColor)); - screen->fb[0].blueMask = 0x00; - screen->fb[0].greenMask = 0x00; - screen->fb[0].redMask = 0x00; - break; - case 15: - screen->fb[0].visuals = (1 << TrueColor); - screen->fb[0].blueMask = 0x001f; - screen->fb[0].greenMask = 0x03e0; - screen->fb[0].redMask = 0x7c00; - break; - case 16: - screen->fb[0].visuals = (1 << TrueColor); - screen->fb[0].blueMask = 0x001f; - screen->fb[0].greenMask = 0x07e0; - screen->fb[0].redMask = 0xf800; - break; - case 24: - screen->fb[0].visuals = (1 << TrueColor); - screen->fb[0].blueMask = 0x0000ff; - screen->fb[0].greenMask = 0x00ff00; - screen->fb[0].redMask = 0xff0000; - break; - } - - screen->driver = s3s; - - return TRUE; -} - -void -s3Preserve (KdCardInfo *card) -{ - S3CardInfo *s3c = card->driver; - - s3Save (s3c); -} - -/* - * Enable the card for rendering. Manipulate the initial settings - * of the card here. - */ -Bool -s3Enable (ScreenPtr pScreen) -{ - KdScreenPriv(pScreen); - KdCardInfo *card = pScreenPriv->card; - KdScreenInfo *screen = pScreenPriv->screen; - s3CardInfo (pScreenPriv); - s3ScreenInfo (pScreenPriv); - - S3Crtc crtcR, *crtc; - int hactive, hblank, hfp, hbp; - int vactive, vblank, vfp, vbp; - int hsize; - - int h_total; - int h_display_end; - int h_blank_start; - int h_blank_end; - int h_sync_start; - int h_sync_end; - int h_screen_off; - int h_start_fifo_fetch; - - int v_total; - int v_retrace_start; - int v_retrace_end; - int v_display_end; - int v_blank_start; - int v_blank_end; - - int h_adjust; - int h_sync_extend_; - int h_blank_extend_; - int i; - CARD16 cursor_address; - const KdMonitorTiming *t; - int m, n, r; - - DRAW_DEBUG ((DEBUG_S3INIT, "s3Enable")); - - DRAW_DEBUG ((DEBUG_S3INIT, "requested bpp %d current %d", - pScreenPriv->bitsPerPixel, s3c->save.crtc.bits_per_pixel)); - - t = KdFindMode (screen, s3ModeSupported); - - hfp = t->hfp; - hbp = t->hbp; - hblank = t->hblank; - hactive = t->horizontal; - - vfp = t->vfp; - vbp = t->vbp; - vblank = t->vblank; - vactive = t->vertical; - - crtcR = s3c->save.crtc; - crtc = &crtcR; - - s3GetClock (t->clock, &m, &n, &r, 127, 31, 3); - crtc->dclk_pll_m_trio = m; - crtc->dclk_pll_n_trio = n; - crtc->dclk_pll_r_trio = r; - - crtc->alt_refresh_count = 0x02; - crtc->enable_alt_refresh = 1; - crtc->enable_256_or_more = 1; - - DRAW_DEBUG ((DEBUG_S3INIT, "memory_bus_size %d\n", crtc->memory_bus_size)); - crtc->memory_bus_size = 1; - - crtc->dclk_over_2 = 0; - crtc->dclk_invert = 0; - crtc->enable_clock_double = 0; - crtc->delay_blank = 0; - crtc->extended_bios_5 = 0; - /* - * Compute character lengths for horizontal timing values - */ - switch (screen->fb[0].bitsPerPixel) { - case 8: - hactive = screen->width / 8; - hblank /= 8; - hfp /= 8; - hbp /= 8; - h_screen_off = hactive; - crtc->pixel_length = 0; - crtc->color_mode = 0; - /* - * Set up for double-pixel mode, switch color modes, - * divide the dclk and delay h blank by 2 dclks - */ - if (S3_CLOCK(crtc->dclk_pll_m_trio, crtc->dclk_pll_n_trio, - crtc->dclk_pll_r_trio) > S3_MAX_CLOCK) - { - DRAW_DEBUG ((DEBUG_S3INIT, "S3 clock %g > 80MHz, using pixel double mode", - S3_CLOCK(crtc->dclk_pll_m_trio, crtc->dclk_pll_n_trio, - crtc->dclk_pll_r_trio))); - crtc->color_mode = 1; - crtc->dclk_over_2 = 1; - crtc->enable_clock_double = 1; - crtc->delay_blank = 2; - crtc->extended_bios_5 = 2; - } - h_adjust = 1; - break; - case 16: - hactive = screen->width / 4; - hblank /= 4; - hfp /= 4; - hbp /= 4; - h_screen_off = hactive; - crtc->pixel_length = 1; - crtc->extended_bios_5 = 2; - if (crtc->depth == 15) - crtc->color_mode = 3; - else - crtc->color_mode = 5; - h_adjust = 2; - break; - case 32: - hactive = screen->width / 8; - hblank /= 8; - hfp /= 8; - hbp /= 8; - h_screen_off = hactive * 4; - crtc->pixel_length = 3; - crtc->color_mode = 0xd; - h_adjust = 1; - break; - } - - /* - * X server starts frame buffer at top of memory - */ - DRAW_DEBUG ((DEBUG_S3INIT, "Old start address 0x%x\n", - crtc_start_address (crtc))); - crtc_set_start_address (crtc, 0); - - /* - * Compute horizontal register values from timings - */ - h_total = hactive + hblank - 5; - h_display_end = hactive - 1; - h_blank_start = h_display_end; - h_blank_end = h_blank_start + hblank - h_adjust; - h_sync_start = hactive + hfp + h_adjust; - h_sync_end = h_sync_start + hblank - hbp - hfp; - h_start_fifo_fetch = h_total - 5; - - DRAW_DEBUG ((DEBUG_S3INIT, "blank_end 0x%x sync_end 0x%x sync_start 0x%x\n", - h_blank_end, h_sync_end, h_sync_start)); - - if (h_blank_end - h_blank_start > 0x40) - h_blank_extend_ = 1; - else - h_blank_extend_ = 0; - - if (h_sync_end - h_sync_start > 0x20) - h_sync_extend_ = 1; - else - h_sync_extend_ = 0; - - DRAW_DEBUG ((DEBUG_S3INIT, "blank_end 0x%x sync_end 0x%x extend %d\n", - h_blank_end, h_sync_end, h_sync_extend_)); - - crtc_set_h_total(crtc, h_total); - crtc_set_h_display_end (crtc, h_display_end); - crtc_set_h_blank_start (crtc, h_blank_start); - crtc_set_h_blank_end (crtc, h_blank_end); - crtc_set_h_sync_start (crtc, h_sync_start); - crtc_set_h_sync_end (crtc, h_sync_end); - crtc_set_screen_off (crtc, h_screen_off); - crtc_set_h_start_fifo_fetch (crtc, h_start_fifo_fetch); - crtc->h_sync_extend = h_sync_extend_; - crtc->h_blank_extend = h_blank_extend_; - - - v_total = vactive + vblank - 2; - v_retrace_start = vactive + vfp - 1; - v_retrace_end = v_retrace_start + vblank - vbp - 1; - v_display_end = vactive - 1; - v_blank_start = vactive - 1; - v_blank_end = v_blank_start + vblank - 1; - - crtc_set_v_total(crtc, v_total); - crtc_set_v_retrace_start (crtc, v_retrace_start); - crtc->v_retrace_end_0_3 = v_retrace_end; - crtc_set_v_display_end (crtc, v_display_end); - crtc_set_v_blank_start (crtc, v_blank_start); - crtc->v_blank_end_0_7 = v_blank_end; - - /* - * Set cursor - */ - if (!screen->softCursor) - { - cursor_address = (s3s->cursor_base - screen->fb[0].frameBuffer) / 1024; - - crtc->cursor_address_0_7 = cursor_address; - crtc->cursor_address_8_15 = cursor_address >> 8; - crtc->hardware_cursor_ms_x11 = 0; - crtc->hardware_cursor_enable = 1; - } - else - crtc->hardware_cursor_enable = 0; - - /* - * Set accelerator - */ - switch (screen->width) { - case 640: crtc_set_ge_screen_width(crtc,1); break; - case 800: crtc_set_ge_screen_width(crtc,2); break; - case 1024: crtc_set_ge_screen_width(crtc,0); break; - case 1152: crtc_set_ge_screen_width(crtc,4); break; - case 1280: crtc_set_ge_screen_width(crtc,3); break; - case 1600: crtc_set_ge_screen_width(crtc,6); break; - } - - /* - * Set depth values - */ - crtc->bits_per_pixel = screen->fb[0].bitsPerPixel; - crtc->depth = screen->fb[0].depth; - - crtc->l_parm_0_7 = screen->width / 4; /* Undocumented. */ - - crtc->disable_v_retrace_int = 1; /* don't let retrace interrupt */ - - DRAW_DEBUG ((DEBUG_S3INIT, "new h total %d display_end %d", - crtc_h_total(crtc), - crtc_h_display_end(crtc))); - DRAW_DEBUG ((DEBUG_S3INIT, " sync_start %d sync_end %d (%d)", - crtc_h_sync_start(crtc), - crtc_h_sync_end(crtc), h_sync_end)); - - DRAW_DEBUG ((DEBUG_S3INIT, " blank_start %d blank_end %d", - crtc_h_blank_start(crtc), - crtc_h_blank_end(crtc))); - - DRAW_DEBUG ((DEBUG_S3INIT, " screen_off %d start_fifo %d", - crtc_screen_off(crtc), crtc_h_start_fifo_fetch(crtc))); - - DRAW_DEBUG ((DEBUG_S3INIT, " active %d blank %d fp %d bp %d", - hactive, hblank, hfp, hbp)); - - DRAW_DEBUG ((DEBUG_S3INIT, "new v total %d display_end %d", - crtc_v_total(crtc), - crtc_v_display_end(crtc))); - DRAW_DEBUG ((DEBUG_S3INIT, " retrace_start %d retrace_end %d (%d)", - crtc_v_retrace_start(crtc), - crtc->v_retrace_end, - v_retrace_end)); - DRAW_DEBUG ((DEBUG_S3INIT, " blank_start %d blank_end %d", - crtc_v_blank_start(crtc), - crtc->v_blank_end_0_7)); - - DRAW_DEBUG ((DEBUG_S3INIT, " active %d blank %d fp %d bp %d", - vactive, vblank, vfp, vbp)); - - /* - * Set DPMS to normal - */ - crtc->hsync_control = 0; - crtc->vsync_control = 0; - - LockS3 (s3c); - _s3SetDepth (s3c->s3, crtc); - UnlockS3 (s3c); - return TRUE; -} - -void -s3Disable (ScreenPtr pScreen) -{ -} - -void -s3Restore (KdCardInfo *card) -{ - S3CardInfo *s3c = card->driver; - - s3Reset (s3c); -} - -void -_s3SetSync (S3CardInfo *s3c, int hsync, int vsync) -{ - /* this abuses the macros defined to access the crtc structure */ - union extended_sequencer_d_u _extended_sequencer_d_u; - S3Ptr s3 = s3c->s3; - - extended_sequencer_d = s3c->save.crtc.extended_sequencer_d; - hsync_control = hsync; - vsync_control = vsync; - PutSrtc (s3, 0x0d, extended_sequencer_d); -} - -Bool -s3DPMS (ScreenPtr pScreen, int mode) -{ - KdScreenPriv(pScreen); - s3CardInfo(pScreenPriv); - - switch (mode) { - case KD_DPMS_NORMAL: - _s3SetSync (s3c, 0, 0); - _s3SetBlank (s3c->s3, FALSE); - break; - case KD_DPMS_STANDBY: - _s3SetBlank (s3c->s3, TRUE); - _s3SetSync (s3c, 1, 0); - break; - case KD_DPMS_SUSPEND: - _s3SetBlank (s3c->s3, TRUE); - _s3SetSync (s3c, 0, 1); - break; - case KD_DPMS_POWERDOWN: - _s3SetBlank (s3c->s3, TRUE); - _s3SetSync (s3c, 1, 1); - break; - } - return TRUE; -} - -void -s3ScreenFini (KdScreenInfo *screen) -{ - S3ScreenInfo *s3s = (S3ScreenInfo *) screen->driver; - - xfree (s3s); - screen->driver = 0; -} - -void -s3CardFini (KdCardInfo *card) -{ - S3CardInfo *s3c = (S3CardInfo *) card->driver; - - KdUnmapDevice (s3c->frameBuffer, s3c->memory); - KdUnmapDevice (s3c->registers, sizeof (S3) + PACKED_OFFSET); -/* DeleteCriticalSection (&s3c->lock); */ - xfree (s3c); - card->driver = 0; -} - -KdCardFuncs s3Funcs = { - s3CardInit, - s3ScreenInit, - 0, - s3Preserve, - s3Enable, - s3DPMS, - s3Disable, - s3Restore, - s3ScreenFini, - s3CardFini, - s3CursorInit, - s3CursorEnable, - s3CursorDisable, - s3CursorFini, - s3RecolorCursor, - s3DrawInit, - s3DrawEnable, - s3DrawSync, - s3DrawDisable, - s3DrawFini, - s3GetColors, - s3PutColors, -}; - -void -S3InitCard (KdCardAttr *attr) -{ - KdCardInfoAdd (&s3Funcs, attr, 0); -} |