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Diffstat (limited to 'src/video_out/vidix/drivers/sis_vid.c')
-rw-r--r--src/video_out/vidix/drivers/sis_vid.c1562
1 files changed, 0 insertions, 1562 deletions
diff --git a/src/video_out/vidix/drivers/sis_vid.c b/src/video_out/vidix/drivers/sis_vid.c
deleted file mode 100644
index c3ef2bdcf..000000000
--- a/src/video_out/vidix/drivers/sis_vid.c
+++ /dev/null
@@ -1,1562 +0,0 @@
-/**
- VIDIX driver for SiS 300 and 310/325 series chips.
-
- Copyright 2003 Jake Page, Sugar Media.
-
- Based on SiS Xv driver:
- Copyright 2002-2003 by Thomas Winischhofer, Vienna, Austria.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- 2003/10/08 integrated into mplayer/vidix architecture -- Alex Beregszaszi
-**/
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <inttypes.h>
-#include <unistd.h>
-
-#include "vidix.h"
-#include "fourcc.h"
-#include "libdha.h"
-#include "pci_ids.h"
-#include "pci_names.h"
-
-#include "sis_regs.h"
-#include "sis_defs.h"
-
-
-/** Random defines **/
-
-#define WATCHDOG_DELAY 500000 /* Watchdog counter for retrace waiting */
-#define IMAGE_MIN_WIDTH 32 /* Min and max source image sizes */
-#define IMAGE_MIN_HEIGHT 24
-#define IMAGE_MAX_WIDTH 720
-#define IMAGE_MAX_HEIGHT 576
-#define IMAGE_MAX_WIDTH_M650 1920
-#define IMAGE_MAX_HEIGHT_M650 1080
-
-#define OVERLAY_MIN_WIDTH 32 /* Minimum overlay sizes */
-#define OVERLAY_MIN_HEIGHT 24
-
-#define DISPMODE_SINGLE1 0x1 /* TW: CRT1 only */
-#define DISPMODE_SINGLE2 0x2 /* TW: CRT2 only */
-#define DISPMODE_MIRROR 0x4 /* TW: CRT1 + CRT2 MIRROR */
-
-#define VMODE_INTERLACED 0x1
-#define VMODE_DOUBLESCAN 0x2
-
-typedef struct {
- short x1, y1, x2, y2;
-} BoxRec;
-
-typedef struct {
- int pixelFormat;
-
- uint16_t pitch;
- uint16_t origPitch;
-
- uint8_t keyOP;
- uint16_t HUSF;
- uint16_t VUSF;
- uint8_t IntBit;
- uint8_t wHPre;
-
- uint16_t srcW;
- uint16_t srcH;
-
- BoxRec dstBox;
-
- uint32_t PSY;
- uint32_t PSV;
- uint32_t PSU;
- uint8_t bobEnable;
-
- uint8_t contrastCtrl;
- uint8_t contrastFactor;
-
- uint8_t lineBufSize;
-
- uint8_t(*VBlankActiveFunc) ();
-
- uint16_t SCREENheight;
-
-} SISOverlayRec, *SISOverlayPtr;
-
-
-/** static variable definitions **/
-static int sis_probed = 0;
-static pciinfo_t pci_info;
-unsigned int sis_verbose = 0;
-
-static void *sis_mem_base;
-/* static void *sis_reg_base; */
-unsigned short sis_iobase;
-
-unsigned int sis_vga_engine = UNKNOWN_VGA;
-static unsigned int sis_displaymode = DISPMODE_SINGLE1;
-static unsigned int sis_has_two_overlays = 0;
-static unsigned int sis_bridge_is_slave = 0;
-static unsigned int sis_shift_value = 1;
-static unsigned int sis_vmode = 0;
-unsigned int sis_vbflags = DISPTYPE_DISP1;
-unsigned int sis_overlay_on_crt1 = 1;
-unsigned int sis_crt1_off = -1;
-unsigned int sis_detected_crt2_devices;
-unsigned int sis_force_crt2_type = CRT2_DEFAULT;
-unsigned int sis_device_id = -1;
-
-static int sis_format;
-static int sis_Yoff = 0;
-static int sis_Voff = 0;
-static int sis_Uoff = 0;
-static int sis_screen_width = 640;
-static int sis_screen_height = 480;
-
-static int sis_frames[VID_PLAY_MAXFRAMES];
-
-static vidix_grkey_t sis_grkey;
-
-static vidix_capability_t sis_cap = {
- "SiS 300/310/325 Video Driver",
- "Jake Page",
- TYPE_OUTPUT,
- {0, 0, 0, 0},
- 2048,
- 2048,
- 4,
- 4,
- -1,
- FLAG_UPSCALER | FLAG_DOWNSCALER | FLAG_EQUALIZER,
- VENDOR_SIS,
- -1,
- {0, 0, 0, 0}
-};
-
-vidix_video_eq_t sis_equal = {
- VEQ_CAP_BRIGHTNESS | VEQ_CAP_CONTRAST,
- 200, 0, 0, 0, 0, 0, 0, 0
-};
-
-static unsigned short sis_card_ids[] = {
- DEVICE_SIS_300,
- DEVICE_SIS_315H,
- DEVICE_SIS_315,
- DEVICE_SIS_315PRO,
- DEVICE_SIS_330,
- DEVICE_SIS_540_VGA,
- DEVICE_SIS_550_VGA,
- DEVICE_SIS_630_VGA,
- DEVICE_SIS_650_VGA
-};
-
-/** function declarations **/
-
-extern void sis_init_video_bridge();
-
-
-static void set_overlay(SISOverlayPtr pOverlay, int index);
-static void close_overlay(void);
-static void calc_scale_factor(SISOverlayPtr pOverlay,
- int index, int iscrt2);
-static void set_line_buf_size(SISOverlayPtr pOverlay);
-static void merge_line_buf(int enable);
-static void set_format(SISOverlayPtr pOverlay);
-static void set_colorkey(void);
-
-static void set_brightness(uint8_t brightness);
-static void set_contrast(uint8_t contrast);
-static void set_saturation(char saturation);
-static void set_hue(uint8_t hue);
-#if 0
-static void set_alpha(uint8_t alpha);
-#endif
-
-/* IO Port access functions */
-static uint8_t getvideoreg(uint8_t reg)
-{
- uint8_t ret;
- inSISIDXREG(SISVID, reg, ret);
- return (ret);
-}
-
-static void setvideoreg(uint8_t reg, uint8_t data)
-{
- outSISIDXREG(SISVID, reg, data);
-}
-
-static void setvideoregmask(uint8_t reg, uint8_t data, uint8_t mask)
-{
- uint8_t old;
-
- inSISIDXREG(SISVID, reg, old);
- data = (data & mask) | (old & (~mask));
- outSISIDXREG(SISVID, reg, data);
-}
-
-static void setsrregmask(uint8_t reg, uint8_t data, uint8_t mask)
-{
- uint8_t old;
-
- inSISIDXREG(SISSR, reg, old);
- data = (data & mask) | (old & (~mask));
- outSISIDXREG(SISSR, reg, data);
-}
-
-/* vblank checking*/
-static uint8_t vblank_active_CRT1()
-{
- /* this may be too simplistic? */
- return (inSISREG(SISINPSTAT) & 0x08);
-}
-
-static uint8_t vblank_active_CRT2()
-{
- uint8_t ret;
- if (sis_vga_engine == SIS_315_VGA) {
- inSISIDXREG(SISPART1, Index_310_CRT2_FC_VR, ret);
- } else {
- inSISIDXREG(SISPART1, Index_CRT2_FC_VR, ret);
- }
- return ((ret & 0x02) ^ 0x02);
-}
-
-
-unsigned int vixGetVersion(void)
-{
- return (VIDIX_VERSION);
-}
-
-static int find_chip(unsigned chip_id)
-{
- unsigned i;
- for (i = 0; i < sizeof(sis_card_ids) / sizeof(unsigned short); i++) {
- if (chip_id == sis_card_ids[i])
- return i;
- }
- return -1;
-}
-
-int vixProbe(int verbose, int force)
-{
- pciinfo_t lst[MAX_PCI_DEVICES];
- unsigned i, num_pci;
- int err;
-
- sis_verbose = verbose;
- force = force;
- err = pci_scan(lst, &num_pci);
- if (err) {
- printf("[SiS] Error occurred during pci scan: %s\n", strerror(err));
- return err;
- } else if(!enable_app_io()){
- err = ENXIO;
- for (i = 0; i < num_pci; i++) {
- if (lst[i].vendor == VENDOR_SIS) {
- int idx;
- const char *dname;
- idx = find_chip(lst[i].device);
- if (idx == -1)
- continue;
- dname = pci_device_name(VENDOR_SIS, lst[i].device);
- dname = dname ? dname : "Unknown chip";
- if (sis_verbose > 0)
- printf("[SiS] Found chip: %s (0x%X)\n",
- dname, lst[i].device);
- sis_device_id = sis_cap.device_id = lst[i].device;
- err = 0;
- memcpy(&pci_info, &lst[i], sizeof(pciinfo_t));
-
- sis_has_two_overlays = 0;
- switch (sis_cap.device_id) {
- case DEVICE_SIS_300:
- case DEVICE_SIS_630_VGA:
- sis_has_two_overlays = 1;
- case DEVICE_SIS_540_VGA:
- sis_vga_engine = SIS_300_VGA;
- break;
- case DEVICE_SIS_330:
- case DEVICE_SIS_550_VGA:
- sis_has_two_overlays = 1;
- case DEVICE_SIS_315H:
- case DEVICE_SIS_315:
- case DEVICE_SIS_315PRO:
- case DEVICE_SIS_650_VGA:
- /* M650 & 651 have 2 overlays */
- /* JCP: I think this works, but not really tested yet */
- {
- unsigned char CR5F;
- unsigned char tempreg1, tempreg2;
-
- inSISIDXREG(SISCR, 0x5F, CR5F);
- CR5F &= 0xf0;
- andSISIDXREG(SISCR, 0x5c, 0x07);
- inSISIDXREG(SISCR, 0x5c, tempreg1);
- tempreg1 &= 0xf8;
- setSISIDXREG(SISCR, 0x5c, 0x07, 0xf8);
- inSISIDXREG(SISCR, 0x5c, tempreg2);
- tempreg2 &= 0xf8;
- if ((!tempreg1) || (tempreg2)) {
- if (CR5F & 0x80) {
- sis_has_two_overlays = 1;
- }
- } else {
- sis_has_two_overlays = 1; /* ? */
- }
- if (sis_has_two_overlays) {
- if (sis_verbose > 0)
- printf
- ("[SiS] detected M650/651 with 2 overlays\n");
- }
- }
- sis_vga_engine = SIS_315_VGA;
- break;
- default:
- /* should never get here */
- sis_vga_engine = UNKNOWN_VGA;
- break;
- }
- }
- }
- } else {
- err = EPERM;
- }
-
- if (err && sis_verbose) {
- printf("[SiS] Can't find chip\n");
- } else {
- sis_probed = 1;
- }
-
- return err;
-}
-
-int vixInit(const char *args)
-{
- uint8_t sr_data, cr_data, cr_data2;
- char *env_overlay_crt;
-
- if (!sis_probed) {
- printf("[SiS] driver was not probed but is being initialized\n");
- return (EINTR);
- }
-
- /* JCP: this is WRONG. Need to coordinate w/ sisfb to use correct mem */
- /* map 16MB scary hack for now. */
- sis_mem_base = map_phys_mem(pci_info.base0, 0x1000000);
- /* sis_reg_base = map_phys_mem(pci_info.base1, 0x20000); */
- sis_iobase = pci_info.base2 & 0xFFFC;
-
- /* would like to use fb ioctl - or some other method - here to get
- current resolution. */
- inSISIDXREG(SISCR, 0x12, cr_data);
- inSISIDXREG(SISCR, 0x07, cr_data2);
- sis_screen_height =
- ((cr_data & 0xff) | ((uint16_t) (cr_data2 & 0x02) << 7) |
- ((uint16_t) (cr_data2 & 0x40) << 3) | ((uint16_t) (cr_data & 0x02)
- << 9)) + 1;
-
- inSISIDXREG(SISSR, 0x0b, sr_data);
- inSISIDXREG(SISCR, 0x01, cr_data);
- sis_screen_width = (((cr_data & 0xff) |
- ((uint16_t) (sr_data & 0x0C) << 6)) + 1) * 8;
-
- inSISIDXREG(SISSR, Index_SR_Graphic_Mode, sr_data);
- if (sr_data & 0x20) /* interlaced mode */
- sis_vmode |= VMODE_INTERLACED;
-
-#if 0 /* getting back false data here... */
- /* CR9 bit 7 set = double scan active */
- inSISIDXREG(SISCR, 0x09, cr_data);
- if (cr_data & 0x40) {
- sis_vmode |= VMODE_DOUBLESCAN;
- }
-#endif
-
- /* JCP: eventually I'd like to replace this with a call to sisfb
- SISFB_GET_INFO ioctl to get video bridge info. Not for now,
- since it requires a very new and not widely distributed version. */
- sis_init_video_bridge();
-
- env_overlay_crt = getenv("VIDIX_CRT");
- if (env_overlay_crt) {
- int crt = atoi(env_overlay_crt);
- if (crt == 1 || crt == 2) {
- sis_overlay_on_crt1 = (crt == 1);
- if (sis_verbose > 0) {
- printf
- ("[SiS] override: using overlay on CRT%d from VIDIX_CRT\n",
- crt);
- }
- }
- }
-
- return 0;
-}
-
-void vixDestroy(void)
-{
- /* unmap_phys_mem(sis_reg_base, 0x20000); */
- /* JCP: see above, hence also a hack. */
- unmap_phys_mem(sis_mem_base, 0x1000000);
-}
-
-int vixGetCapability(vidix_capability_t * to)
-{
- memcpy(to, &sis_cap, sizeof(vidix_capability_t));
- return 0;
-}
-
-static int is_supported_fourcc(uint32_t fourcc)
-{
- switch (fourcc) {
- case IMGFMT_YV12:
- case IMGFMT_I420:
- case IMGFMT_UYVY:
- case IMGFMT_YUY2:
- case IMGFMT_RGB15:
- case IMGFMT_RGB16:
- return 1;
- default:
- return 0;
- }
-}
-
-int vixQueryFourcc(vidix_fourcc_t * to)
-{
- if (is_supported_fourcc(to->fourcc)) {
- to->depth = VID_DEPTH_8BPP | VID_DEPTH_16BPP | VID_DEPTH_32BPP;
- to->flags = VID_CAP_EXPAND | VID_CAP_SHRINK | VID_CAP_COLORKEY;
- return 0;
- } else
- to->depth = to->flags = 0;
- return ENOSYS;
-}
-
-static int bridge_in_slave_mode()
-{
- unsigned char usScratchP1_00;
-
- if (!(sis_vbflags & VB_VIDEOBRIDGE))
- return 0;
-
- inSISIDXREG(SISPART1, 0x00, usScratchP1_00);
- if (((sis_vga_engine == SIS_300_VGA)
- && (usScratchP1_00 & 0xa0) == 0x20)
- || ((sis_vga_engine == SIS_315_VGA)
- && (usScratchP1_00 & 0x50) == 0x10)) {
- return 1;
- } else {
- return 0;
- }
-}
-
-/* This does not handle X dual head mode, since 1) vidix doesn't support it
- and 2) it doesn't make sense for other gfx drivers */
-static void set_dispmode()
-{
- sis_bridge_is_slave = 0;
-
- if (bridge_in_slave_mode())
- sis_bridge_is_slave = 1;
-
- if ((sis_vbflags & VB_DISPMODE_MIRROR) ||
- (sis_bridge_is_slave && (sis_vbflags & DISPTYPE_DISP2))) {
- if (sis_has_two_overlays)
- sis_displaymode = DISPMODE_MIRROR; /* TW: CRT1+CRT2 (2 overlays) */
- else if (!sis_overlay_on_crt1)
- sis_displaymode = DISPMODE_SINGLE2;
- else
- sis_displaymode = DISPMODE_SINGLE1;
- } else {
- if (sis_vbflags & DISPTYPE_DISP1) {
- sis_displaymode = DISPMODE_SINGLE1; /* TW: CRT1 only */
- } else {
- sis_displaymode = DISPMODE_SINGLE2; /* TW: CRT2 only */
- }
- }
-}
-
-static void set_disptype_regs()
-{
- switch (sis_displaymode) {
- case DISPMODE_SINGLE1: /* TW: CRT1 only */
- if (sis_verbose > 2) {
- printf("[SiS] Setting up overlay on CRT1\n");
- }
- if (sis_has_two_overlays) {
- setsrregmask(0x06, 0x00, 0xc0);
- setsrregmask(0x32, 0x00, 0xc0);
- } else {
- setsrregmask(0x06, 0x00, 0xc0);
- setsrregmask(0x32, 0x00, 0xc0);
- }
- break;
- case DISPMODE_SINGLE2: /* TW: CRT2 only */
- if (sis_verbose > 2) {
- printf("[SiS] Setting up overlay on CRT2\n");
- }
- if (sis_has_two_overlays) {
- setsrregmask(0x06, 0x80, 0xc0);
- setsrregmask(0x32, 0x80, 0xc0);
- } else {
- setsrregmask(0x06, 0x40, 0xc0);
- setsrregmask(0x32, 0x40, 0xc0);
- }
- break;
- case DISPMODE_MIRROR: /* TW: CRT1 + CRT2 */
- default:
- if (sis_verbose > 2) {
- printf("[SiS] Setting up overlay on CRT1 AND CRT2!\n");
- }
- setsrregmask(0x06, 0x80, 0xc0);
- setsrregmask(0x32, 0x80, 0xc0);
- break;
- }
-}
-
-static void init_overlay()
-{
- /* Initialize first overlay (CRT1) */
-
- /* Write-enable video registers */
- setvideoregmask(Index_VI_Control_Misc2, 0x80, 0x81);
-
- /* Disable overlay */
- setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
-
- /* Disable bobEnable */
- setvideoregmask(Index_VI_Control_Misc1, 0x02, 0x02);
-
- /* Reset scale control and contrast */
- setvideoregmask(Index_VI_Scale_Control, 0x60, 0x60);
- setvideoregmask(Index_VI_Contrast_Enh_Ctrl, 0x04, 0x1F);
-
- setvideoreg(Index_VI_Disp_Y_Buf_Preset_Low, 0x00);
- setvideoreg(Index_VI_Disp_Y_Buf_Preset_Middle, 0x00);
- setvideoreg(Index_VI_UV_Buf_Preset_Low, 0x00);
- setvideoreg(Index_VI_UV_Buf_Preset_Middle, 0x00);
- setvideoreg(Index_VI_Disp_Y_UV_Buf_Preset_High, 0x00);
- setvideoreg(Index_VI_Play_Threshold_Low, 0x00);
- setvideoreg(Index_VI_Play_Threshold_High, 0x00);
-
- /* may not want to init these here, could already be set to other
- values by app? */
- setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x01);
- setvideoregmask(Index_VI_Contrast_Enh_Ctrl, 0x04, 0x07);
- setvideoreg(Index_VI_Brightness, 0x20);
- if (sis_vga_engine == SIS_315_VGA) {
- setvideoreg(Index_VI_Hue, 0x00);
- setvideoreg(Index_VI_Saturation, 0x00);
- }
-
- /* Initialize second overlay (CRT2) */
- if (sis_has_two_overlays) {
- /* Write-enable video registers */
- setvideoregmask(Index_VI_Control_Misc2, 0x81, 0x81);
-
- /* Disable overlay */
- setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
-
- /* Disable bobEnable */
- setvideoregmask(Index_VI_Control_Misc1, 0x02, 0x02);
-
- /* Reset scale control and contrast */
- setvideoregmask(Index_VI_Scale_Control, 0x60, 0x60);
- setvideoregmask(Index_VI_Contrast_Enh_Ctrl, 0x04, 0x1F);
-
- setvideoreg(Index_VI_Disp_Y_Buf_Preset_Low, 0x00);
- setvideoreg(Index_VI_Disp_Y_Buf_Preset_Middle, 0x00);
- setvideoreg(Index_VI_UV_Buf_Preset_Low, 0x00);
- setvideoreg(Index_VI_UV_Buf_Preset_Middle, 0x00);
- setvideoreg(Index_VI_Disp_Y_UV_Buf_Preset_High, 0x00);
- setvideoreg(Index_VI_Play_Threshold_Low, 0x00);
- setvideoreg(Index_VI_Play_Threshold_High, 0x00);
-
- setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x01);
- setvideoregmask(Index_VI_Contrast_Enh_Ctrl, 0x04, 0x07);
- setvideoreg(Index_VI_Brightness, 0x20);
- if (sis_vga_engine == SIS_315_VGA) {
- setvideoreg(Index_VI_Hue, 0x00);
- setvideoreg(Index_VI_Saturation, 0x00);
- }
- }
-}
-
-int vixConfigPlayback(vidix_playback_t * info)
-{
- SISOverlayRec overlay;
- int srcOffsetX = 0, srcOffsetY = 0;
- int sx, sy;
- int index = 0, iscrt2 = 0;
- int total_size;
-
- short src_w, drw_w;
- short src_h, drw_h;
- short src_x, drw_x;
- short src_y, drw_y;
- long dga_offset;
- int pitch;
- unsigned int i;
-
- if (!is_supported_fourcc(info->fourcc))
- return -1;
-
- /* set chipset/engine.dependent config info */
- /* which CRT to use, etc.? */
- switch (sis_vga_engine) {
- case SIS_315_VGA:
- sis_shift_value = 1;
- sis_equal.cap |= VEQ_CAP_SATURATION | VEQ_CAP_HUE;
- break;
- case SIS_300_VGA:
- default:
- sis_shift_value = 2;
- break;
- }
-
- sis_displaymode = DISPMODE_SINGLE1; /* xV driver code in set_dispmode() */
- set_dispmode();
-
- set_disptype_regs();
-
- init_overlay();
-
- /* get basic dimension info */
- src_x = info->src.x;
- src_y = info->src.y;
- src_w = info->src.w;
- src_h = info->src.h;
-
- drw_x = info->dest.x;
- drw_y = info->dest.y;
- drw_w = info->dest.w;
- drw_h = info->dest.h;
-
- switch (info->fourcc) {
- case IMGFMT_YV12:
- case IMGFMT_I420:
- pitch = (src_w + 7) & ~7;
- total_size = (pitch * src_h * 3) >> 1;
- break;
- case IMGFMT_YUY2:
- case IMGFMT_UYVY:
- case IMGFMT_RGB15:
- case IMGFMT_RGB16:
- pitch = ((src_w << 1) + 3) & ~3;
- total_size = pitch * src_h;
- break;
- default:
- return -1;
- }
-
- /* "allocate" memory for overlay! */
- /* start at 8MB = sisfb's "dri reserved space" -
- really shouldn't hardcode though */
- /* XXX: JCP - this can use the sisfb FBIO_ALLOC ioctl to safely
- allocate "video heap" memory... */
- dga_offset = 0x800000;
-
- /* use 7MB for now. need to calc/get real info from sisfb? */
- /* this can result in a LOT of frames - probably not necessary */
- info->num_frames = 0x700000 / (total_size * 2);
- if (info->num_frames > VID_PLAY_MAXFRAMES)
- info->num_frames = VID_PLAY_MAXFRAMES;
-
- info->dga_addr = sis_mem_base + dga_offset;
- info->dest.pitch.y = 16;
- info->dest.pitch.u = 16;
- info->dest.pitch.v = 16;
- info->offset.y = 0;
- info->offset.u = 0;
- info->offset.v = 0;
- info->frame_size = (total_size * 2); /* why times 2 ? */
- for (i = 0; i < info->num_frames; i++) {
- info->offsets[i] = info->frame_size * i;
- /* save ptrs to mem buffers */
- sis_frames[i] = (dga_offset + info->offsets[i]);
- }
-
- memset(&overlay, 0, sizeof(overlay));
- overlay.pixelFormat = sis_format = info->fourcc;
- overlay.pitch = overlay.origPitch = pitch;
-
-
- overlay.keyOP = (sis_grkey.ckey.op == CKEY_TRUE ?
- VI_ROP_DestKey : VI_ROP_Always);
-
- overlay.bobEnable = 0x00;
-
- overlay.SCREENheight = sis_screen_height;
-
- /* probably will not support X virtual screen > phys very well? */
- overlay.dstBox.x1 = drw_x; /* - pScrn->frameX0; */
- overlay.dstBox.x2 = drw_x + drw_w; /* - pScrn->frameX0; ??? */
- overlay.dstBox.y1 = drw_y; /* - pScrn->frameY0; */
- overlay.dstBox.y2 = drw_y + drw_h; /* - pScrn->frameY0; ??? */
-
- if ((overlay.dstBox.x1 > overlay.dstBox.x2) ||
- (overlay.dstBox.y1 > overlay.dstBox.y2))
- return -1;
-
- if ((overlay.dstBox.x2 < 0) || (overlay.dstBox.y2 < 0))
- return -1;
-
- if (overlay.dstBox.x1 < 0) {
- srcOffsetX = src_w * (-overlay.dstBox.x1) / drw_w;
- overlay.dstBox.x1 = 0;
- }
- if (overlay.dstBox.y1 < 0) {
- srcOffsetY = src_h * (-overlay.dstBox.y1) / drw_h;
- overlay.dstBox.y1 = 0;
- }
-
- switch (info->fourcc) {
- case IMGFMT_YV12:
- info->dest.pitch.y = 16;
- sx = (src_x + srcOffsetX) & ~7;
- sy = (src_y + srcOffsetY) & ~1;
- info->offset.y = sis_Yoff = sx + sy * pitch;
- /* JCP: NOTE reversed u & v here! Not sure why this is needed.
- maybe mplayer & sis define U & V differently?? */
- info->offset.u = sis_Voff =
- src_h * pitch + ((sx + sy * pitch / 2) >> 1);
- info->offset.v = sis_Uoff =
- src_h * pitch * 5 / 4 + ((sx + sy * pitch / 2) >> 1);
-
- overlay.PSY = (sis_frames[0] + sis_Yoff) >> sis_shift_value;
- overlay.PSV = (sis_frames[0] + sis_Voff) >> sis_shift_value;
- overlay.PSU = (sis_frames[0] + sis_Uoff) >> sis_shift_value;
- break;
- case IMGFMT_I420:
- sx = (src_x + srcOffsetX) & ~7;
- sy = (src_y + srcOffsetY) & ~1;
- info->offset.y = sis_Yoff = sx + sy * pitch;
- /* JCP: see above... */
- info->offset.u = sis_Voff =
- src_h * pitch * 5 / 4 + ((sx + sy * pitch / 2) >> 1);
- info->offset.v = sis_Uoff =
- src_h * pitch + ((sx + sy * pitch / 2) >> 1);
-
- overlay.PSY = (sis_frames[0] + sis_Yoff) >> sis_shift_value;
- overlay.PSV = (sis_frames[0] + sis_Voff) >> sis_shift_value;
- overlay.PSU = (sis_frames[0] + sis_Uoff) >> sis_shift_value;
- break;
- case IMGFMT_YUY2:
- case IMGFMT_UYVY:
- case IMGFMT_RGB16:
- case IMGFMT_RGB15:
- default:
- sx = (src_x + srcOffsetX) & ~1;
- sy = (src_y + srcOffsetY);
- info->offset.y = sis_Yoff = sx * 2 + sy * pitch;
-
- overlay.PSY = (sis_frames[0] + sis_Yoff) >> sis_shift_value;
- break;
- }
-
- /* FIXME: is it possible that srcW < 0? */
- overlay.srcW = src_w - (sx - src_x);
- overlay.srcH = src_h - (sy - src_y);
-
- /* JCP: what to do about this? */
-#if 0
- if ((pPriv->oldx1 != overlay.dstBox.x1) ||
- (pPriv->oldx2 != overlay.dstBox.x2) ||
- (pPriv->oldy1 != overlay.dstBox.y1) ||
- (pPriv->oldy2 != overlay.dstBox.y2)) {
- pPriv->mustwait = 1;
- pPriv->oldx1 = overlay.dstBox.x1;
- pPriv->oldx2 = overlay.dstBox.x2;
- pPriv->oldy1 = overlay.dstBox.y1;
- pPriv->oldy2 = overlay.dstBox.y2;
- }
-#endif
-
- /* set merge line buffer */
- merge_line_buf(overlay.srcW > 384);
-
- /* calculate line buffer length */
- set_line_buf_size(&overlay);
-
- if (sis_displaymode == DISPMODE_SINGLE2) {
- if (sis_has_two_overlays) {
- /* TW: On chips with two overlays we use
- * overlay 2 for CRT2 */
- index = 1;
- iscrt2 = 1;
- } else {
- /* TW: On chips with only one overlay we
- * use that only overlay for CRT2 */
- index = 0;
- iscrt2 = 1;
- }
- overlay.VBlankActiveFunc = vblank_active_CRT2;
- /* overlay.GetScanLineFunc = get_scanline_CRT2; */
- } else {
- index = 0;
- iscrt2 = 0;
- overlay.VBlankActiveFunc = vblank_active_CRT1;
- /* overlay.GetScanLineFunc = get_scanline_CRT1; */
- }
-
- /* calc scale factor (to use below) */
- calc_scale_factor(&overlay, index, iscrt2);
-
- /* Select video1 (used for CRT1) or video2 (used for CRT2) */
- setvideoregmask(Index_VI_Control_Misc2, index, 0x01);
-
- set_format(&overlay);
-
- set_colorkey();
-
- vixPlaybackSetEq(&sis_equal);
-
- /* set up video overlay registers */
- set_overlay(&overlay, index);
-
- /* prevent badness if bits are not at default setting */
- setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x01);
- setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x04);
-
- /* JCP: Xv driver implementation loops back over above code to
- setup mirror CRT2 */
-
- return 0;
-}
-
-int vixPlaybackOn(void)
-{
- setvideoregmask(Index_VI_Control_Misc0, 0x02, 0x02);
- return 0;
-}
-
-int vixPlaybackOff(void)
-{
- unsigned char sridx, cridx;
- sridx = inSISREG(SISSR);
- cridx = inSISREG(SISCR);
- close_overlay();
- outSISREG(SISSR, sridx);
- outSISREG(SISCR, cridx);
-
- return 0;
-}
-
-int vixPlaybackFrameSelect(unsigned int frame)
-{
- uint8_t data;
- int index = 0;
- uint32_t PSY;
-
- if (sis_displaymode == DISPMODE_SINGLE2 && sis_has_two_overlays) {
- index = 1;
- }
-
- PSY = (sis_frames[frame] + sis_Yoff) >> sis_shift_value;
-
- /* Unlock address registers */
- data = getvideoreg(Index_VI_Control_Misc1);
- setvideoreg(Index_VI_Control_Misc1, data | 0x20);
- /* TEST: Is this required? */
- setvideoreg(Index_VI_Control_Misc1, data | 0x20);
- /* TEST end */
- /* TEST: Is this required? */
- if (sis_vga_engine == SIS_315_VGA)
- setvideoreg(Index_VI_Control_Misc3, 0x00);
- /* TEST end */
-
- /* set Y start address */
- setvideoreg(Index_VI_Disp_Y_Buf_Start_Low, (uint8_t) (PSY));
- setvideoreg(Index_VI_Disp_Y_Buf_Start_Middle, (uint8_t) ((PSY) >> 8));
- setvideoreg(Index_VI_Disp_Y_Buf_Start_High, (uint8_t) ((PSY) >> 16));
- /* set 310/325 series overflow bits for Y plane */
- if (sis_vga_engine == SIS_315_VGA) {
- setvideoreg(Index_VI_Y_Buf_Start_Over,
- ((uint8_t) ((PSY) >> 24) & 0x01));
- }
-
- /* Set U/V data if using plane formats */
- if ((sis_format == IMGFMT_YV12) || (sis_format == IMGFMT_I420)) {
-
- uint32_t PSU, PSV;
-
- PSU = (sis_frames[frame] + sis_Uoff) >> sis_shift_value;
- PSV = (sis_frames[frame] + sis_Voff) >> sis_shift_value;
-
- /* set U/V start address */
- setvideoreg(Index_VI_U_Buf_Start_Low, (uint8_t) PSU);
- setvideoreg(Index_VI_U_Buf_Start_Middle, (uint8_t) (PSU >> 8));
- setvideoreg(Index_VI_U_Buf_Start_High, (uint8_t) (PSU >> 16));
-
- setvideoreg(Index_VI_V_Buf_Start_Low, (uint8_t) PSV);
- setvideoreg(Index_VI_V_Buf_Start_Middle, (uint8_t) (PSV >> 8));
- setvideoreg(Index_VI_V_Buf_Start_High, (uint8_t) (PSV >> 16));
-
- /* 310/325 series overflow bits */
- if (sis_vga_engine == SIS_315_VGA) {
- setvideoreg(Index_VI_U_Buf_Start_Over,
- ((uint8_t) (PSU >> 24) & 0x01));
- setvideoreg(Index_VI_V_Buf_Start_Over,
- ((uint8_t) (PSV >> 24) & 0x01));
- }
- }
-
- if (sis_vga_engine == SIS_315_VGA) {
- /* Trigger register copy for 310 series */
- setvideoreg(Index_VI_Control_Misc3, 1 << index);
- }
-
- /* Lock the address registers */
- setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x20);
-
- return 0;
-}
-
-int vixGetGrKeys(vidix_grkey_t * grkey)
-{
- memcpy(grkey, &sis_grkey, sizeof(vidix_grkey_t));
- return 0;
-}
-
-int vixSetGrKeys(const vidix_grkey_t * grkey)
-{
- memcpy(&sis_grkey, grkey, sizeof(vidix_grkey_t));
- set_colorkey();
- return 0;
-}
-
-int vixPlaybackGetEq(vidix_video_eq_t * eq)
-{
- memcpy(eq, &sis_equal, sizeof(vidix_video_eq_t));
- return 0;
-}
-
-int vixPlaybackSetEq(const vidix_video_eq_t * eq)
-{
- int br, sat, cr, hue;
- if (eq->cap & VEQ_CAP_BRIGHTNESS)
- sis_equal.brightness = eq->brightness;
- if (eq->cap & VEQ_CAP_CONTRAST)
- sis_equal.contrast = eq->contrast;
- if (eq->cap & VEQ_CAP_SATURATION)
- sis_equal.saturation = eq->saturation;
- if (eq->cap & VEQ_CAP_HUE)
- sis_equal.hue = eq->hue;
- if (eq->cap & VEQ_CAP_RGB_INTENSITY) {
- sis_equal.red_intensity = eq->red_intensity;
- sis_equal.green_intensity = eq->green_intensity;
- sis_equal.blue_intensity = eq->blue_intensity;
- }
- sis_equal.flags = eq->flags;
-
- cr = (sis_equal.contrast + 1000) * 7 / 2000;
- if (cr < 0)
- cr = 0;
- if (cr > 7)
- cr = 7;
-
- br = sis_equal.brightness * 127 / 1000;
- if (br < -128)
- br = -128;
- if (br > 127)
- br = 127;
-
- sat = (sis_equal.saturation * 7) / 1000;
- if (sat < -7)
- sat = -7;
- if (sat > 7)
- sat = 7;
-
- hue = sis_equal.hue * 7 / 1000;
- if (hue < -8)
- hue = -8;
- if (hue > 7)
- hue = 7;
-
- set_brightness(br);
- set_contrast(cr);
- if (sis_vga_engine == SIS_315_VGA) {
- set_saturation(sat);
- set_hue(hue);
- }
-
- return 0;
-}
-
-static void set_overlay(SISOverlayPtr pOverlay, int index)
-{
- uint16_t pitch = 0;
- uint8_t h_over = 0, v_over = 0;
- uint16_t top, bottom, left, right;
- uint16_t screenX = sis_screen_width;
- uint16_t screenY = sis_screen_height;
- uint8_t data;
- uint32_t watchdog;
-
- top = pOverlay->dstBox.y1;
- bottom = pOverlay->dstBox.y2;
- if (bottom > screenY) {
- bottom = screenY;
- }
-
- left = pOverlay->dstBox.x1;
- right = pOverlay->dstBox.x2;
- if (right > screenX) {
- right = screenX;
- }
-
- /* JCP: these aren't really tested... */
- /* TW: DoubleScan modes require Y coordinates * 2 */
- if (sis_vmode & VMODE_DOUBLESCAN) {
- top <<= 1;
- bottom <<= 1;
- }
- /* TW: Interlace modes require Y coordinates / 2 */
- if (sis_vmode & VMODE_INTERLACED) {
- top >>= 1;
- bottom >>= 1;
- }
-
- h_over = (((left >> 8) & 0x0f) | ((right >> 4) & 0xf0));
- v_over = (((top >> 8) & 0x0f) | ((bottom >> 4) & 0xf0));
-
- pitch = pOverlay->pitch >> sis_shift_value;
-
- /* set line buffer size */
- setvideoreg(Index_VI_Line_Buffer_Size, pOverlay->lineBufSize);
-
- /* set color key mode */
- setvideoregmask(Index_VI_Key_Overlay_OP, pOverlay->keyOP, 0x0F);
-
- /* TW: We don't have to wait for vertical retrace in all cases */
- /* JCP: be safe for now. */
- if (1 /*pPriv->mustwait */ ) {
- watchdog = WATCHDOG_DELAY;
- while (pOverlay->VBlankActiveFunc() && --watchdog);
- watchdog = WATCHDOG_DELAY;
- while ((!pOverlay->VBlankActiveFunc()) && --watchdog);
- if (!watchdog && sis_verbose > 0) {
- printf("[SiS]: timed out waiting for vertical retrace\n");
- }
- }
-
- /* Unlock address registers */
- data = getvideoreg(Index_VI_Control_Misc1);
- setvideoreg(Index_VI_Control_Misc1, data | 0x20);
- /* TEST: Is this required? */
- setvideoreg(Index_VI_Control_Misc1, data | 0x20);
- /* TEST end */
-
- /* TEST: Is this required? */
- if (sis_vga_engine == SIS_315_VGA)
- setvideoreg(Index_VI_Control_Misc3, 0x00);
- /* TEST end */
-
- /* Set Y buf pitch */
- setvideoreg(Index_VI_Disp_Y_Buf_Pitch_Low, (uint8_t) (pitch));
- setvideoregmask(Index_VI_Disp_Y_UV_Buf_Pitch_Middle,
- (uint8_t) (pitch >> 8), 0x0f);
-
- /* Set Y start address */
- setvideoreg(Index_VI_Disp_Y_Buf_Start_Low, (uint8_t) (pOverlay->PSY));
- setvideoreg(Index_VI_Disp_Y_Buf_Start_Middle,
- (uint8_t) ((pOverlay->PSY) >> 8));
- setvideoreg(Index_VI_Disp_Y_Buf_Start_High,
- (uint8_t) ((pOverlay->PSY) >> 16));
-
- /* set 310/325 series overflow bits for Y plane */
- if (sis_vga_engine == SIS_315_VGA) {
- setvideoreg(Index_VI_Disp_Y_Buf_Pitch_High,
- (uint8_t) (pitch >> 12));
- setvideoreg(Index_VI_Y_Buf_Start_Over,
- ((uint8_t) ((pOverlay->PSY) >> 24) & 0x01));
- }
-
- /* Set U/V data if using plane formats */
- if ((pOverlay->pixelFormat == IMGFMT_YV12) ||
- (pOverlay->pixelFormat == IMGFMT_I420)) {
-
- uint32_t PSU, PSV;
-
- PSU = pOverlay->PSU;
- PSV = pOverlay->PSV;
-
- /* Set U/V pitch */
- setvideoreg(Index_VI_Disp_UV_Buf_Pitch_Low,
- (uint8_t) (pitch >> 1));
- setvideoregmask(Index_VI_Disp_Y_UV_Buf_Pitch_Middle,
- (uint8_t) (pitch >> 5), 0xf0);
-
- /* set U/V start address */
- setvideoreg(Index_VI_U_Buf_Start_Low, (uint8_t) PSU);
- setvideoreg(Index_VI_U_Buf_Start_Middle, (uint8_t) (PSU >> 8));
- setvideoreg(Index_VI_U_Buf_Start_High, (uint8_t) (PSU >> 16));
-
- setvideoreg(Index_VI_V_Buf_Start_Low, (uint8_t) PSV);
- setvideoreg(Index_VI_V_Buf_Start_Middle, (uint8_t) (PSV >> 8));
- setvideoreg(Index_VI_V_Buf_Start_High, (uint8_t) (PSV >> 16));
-
- /* 310/325 series overflow bits */
- if (sis_vga_engine == SIS_315_VGA) {
- setvideoreg(Index_VI_Disp_UV_Buf_Pitch_High,
- (uint8_t) (pitch >> 13));
- setvideoreg(Index_VI_U_Buf_Start_Over,
- ((uint8_t) (PSU >> 24) & 0x01));
- setvideoreg(Index_VI_V_Buf_Start_Over,
- ((uint8_t) (PSV >> 24) & 0x01));
- }
- }
-
- if (sis_vga_engine == SIS_315_VGA) {
- /* Trigger register copy for 310 series */
- setvideoreg(Index_VI_Control_Misc3, 1 << index);
- }
-
- /* set scale factor */
- setvideoreg(Index_VI_Hor_Post_Up_Scale_Low,
- (uint8_t) (pOverlay->HUSF));
- setvideoreg(Index_VI_Hor_Post_Up_Scale_High,
- (uint8_t) ((pOverlay->HUSF) >> 8));
- setvideoreg(Index_VI_Ver_Up_Scale_Low, (uint8_t) (pOverlay->VUSF));
- setvideoreg(Index_VI_Ver_Up_Scale_High,
- (uint8_t) ((pOverlay->VUSF) >> 8));
-
- setvideoregmask(Index_VI_Scale_Control, (pOverlay->IntBit << 3)
- | (pOverlay->wHPre), 0x7f);
-
- /* set destination window position */
- setvideoreg(Index_VI_Win_Hor_Disp_Start_Low, (uint8_t) left);
- setvideoreg(Index_VI_Win_Hor_Disp_End_Low, (uint8_t) right);
- setvideoreg(Index_VI_Win_Hor_Over, (uint8_t) h_over);
-
- setvideoreg(Index_VI_Win_Ver_Disp_Start_Low, (uint8_t) top);
- setvideoreg(Index_VI_Win_Ver_Disp_End_Low, (uint8_t) bottom);
- setvideoreg(Index_VI_Win_Ver_Over, (uint8_t) v_over);
-
- setvideoregmask(Index_VI_Control_Misc1, pOverlay->bobEnable, 0x1a);
-
- /* Lock the address registers */
- setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x20);
-}
-
-
-/* TW: Overlay MUST NOT be switched off while beam is over it */
-static void close_overlay()
-{
- uint32_t watchdog;
-
- if ((sis_displaymode == DISPMODE_SINGLE2) ||
- (sis_displaymode == DISPMODE_MIRROR)) {
- if (sis_has_two_overlays) {
- setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x01);
- watchdog = WATCHDOG_DELAY;
- while (vblank_active_CRT2() && --watchdog);
- watchdog = WATCHDOG_DELAY;
- while ((!vblank_active_CRT2()) && --watchdog);
- setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
- watchdog = WATCHDOG_DELAY;
- while (vblank_active_CRT2() && --watchdog);
- watchdog = WATCHDOG_DELAY;
- while ((!vblank_active_CRT2()) && --watchdog);
- } else if (sis_displaymode == DISPMODE_SINGLE2) {
- setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x01);
- watchdog = WATCHDOG_DELAY;
- while (vblank_active_CRT1() && --watchdog);
- watchdog = WATCHDOG_DELAY;
- while ((!vblank_active_CRT1()) && --watchdog);
- setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
- watchdog = WATCHDOG_DELAY;
- while (vblank_active_CRT1() && --watchdog);
- watchdog = WATCHDOG_DELAY;
- while ((!vblank_active_CRT1()) && --watchdog);
- }
- }
- if ((sis_displaymode == DISPMODE_SINGLE1) ||
- (sis_displaymode == DISPMODE_MIRROR)) {
- setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x01);
- watchdog = WATCHDOG_DELAY;
- while (vblank_active_CRT1() && --watchdog);
- watchdog = WATCHDOG_DELAY;
- while ((!vblank_active_CRT1()) && --watchdog);
- setvideoregmask(Index_VI_Control_Misc0, 0x00, 0x02);
- watchdog = WATCHDOG_DELAY;
- while (vblank_active_CRT1() && --watchdog);
- watchdog = WATCHDOG_DELAY;
- while ((!vblank_active_CRT1()) && --watchdog);
- }
-}
-
-
-static void
-calc_scale_factor(SISOverlayPtr pOverlay, int index, int iscrt2)
-{
- uint32_t i = 0, mult = 0;
- int flag = 0;
-
- int dstW = pOverlay->dstBox.x2 - pOverlay->dstBox.x1;
- int dstH = pOverlay->dstBox.y2 - pOverlay->dstBox.y1;
- int srcW = pOverlay->srcW;
- int srcH = pOverlay->srcH;
- /* uint16_t LCDheight = pSiS->LCDheight; */
- int srcPitch = pOverlay->origPitch;
- int origdstH = dstH;
-
- /* get rid of warnings for now */
- index = index;
- iscrt2 = iscrt2;
-
-#if 0 /* JCP: don't bother with this for now. */
- /* TW: Stretch image due to idiotic LCD "auto"-scaling on LVDS (and 630+301B) */
- if (pSiS->VBFlags & CRT2_LCD) {
- if (sis_bridge_is_slave) {
- if (pSiS->VBFlags & VB_LVDS) {
- dstH = (dstH * LCDheight) / pOverlay->SCREENheight;
- } else if ((sis_vga_engine == SIS_300_VGA) &&
- (pSiS->
- VBFlags & (VB_301B | VB_302B | VB_301LV |
- VB_302LV))) {
- dstH = (dstH * LCDheight) / pOverlay->SCREENheight;
- }
- } else if (iscrt2) {
- if (pSiS->VBFlags & VB_LVDS) {
- dstH = (dstH * LCDheight) / pOverlay->SCREENheight;
- if (sis_displaymode == DISPMODE_MIRROR)
- flag = 1;
- } else if ((sis_vga_engine == SIS_300_VGA) &&
- (pSiS->
- VBFlags & (VB_301B | VB_302B | VB_301LV |
- VB_302LV))) {
- dstH = (dstH * LCDheight) / pOverlay->SCREENheight;
- if (sis_displaymode == DISPMODE_MIRROR)
- flag = 1;
- }
- }
- }
-#endif
-
- /* TW: For double scan modes, we need to double the height
- * (Perhaps we also need to scale LVDS, but I'm not sure.)
- * On 310/325 series, we need to double the width as well.
- * Interlace mode vice versa.
- */
- if (sis_vmode & VMODE_DOUBLESCAN) {
- dstH = origdstH << 1;
- flag = 0;
- if (sis_vga_engine == SIS_315_VGA) {
- dstW <<= 1;
- }
- }
- if (sis_vmode & VMODE_INTERLACED) {
- dstH = origdstH >> 1;
- flag = 0;
- }
-
- if (dstW < OVERLAY_MIN_WIDTH)
- dstW = OVERLAY_MIN_WIDTH;
- if (dstW == srcW) {
- pOverlay->HUSF = 0x00;
- pOverlay->IntBit = 0x05;
- pOverlay->wHPre = 0;
- } else if (dstW > srcW) {
- dstW += 2;
- pOverlay->HUSF = (srcW << 16) / dstW;
- pOverlay->IntBit = 0x04;
- pOverlay->wHPre = 0;
- } else {
- int tmpW = dstW;
-
- /* TW: It seems, the hardware can't scale below factor .125 (=1/8) if the
- pitch isn't a multiple of 256.
- TODO: Test this on the 310/325 series!
- */
- if ((srcPitch % 256) || (srcPitch < 256)) {
- if (((dstW * 1000) / srcW) < 125)
- dstW = tmpW = ((srcW * 125) / 1000) + 1;
- }
-
- i = 0;
- pOverlay->IntBit = 0x01;
- while (srcW >= tmpW) {
- tmpW <<= 1;
- i++;
- }
- pOverlay->wHPre = (uint8_t) (i - 1);
- dstW <<= (i - 1);
- if ((srcW % dstW))
- pOverlay->HUSF = ((srcW - dstW) << 16) / dstW;
- else
- pOverlay->HUSF = 0x00;
- }
-
- if (dstH < OVERLAY_MIN_HEIGHT)
- dstH = OVERLAY_MIN_HEIGHT;
- if (dstH == srcH) {
- pOverlay->VUSF = 0x00;
- pOverlay->IntBit |= 0x0A;
- } else if (dstH > srcH) {
- dstH += 0x02;
- pOverlay->VUSF = (srcH << 16) / dstH;
- pOverlay->IntBit |= 0x08;
- } else {
- uint32_t realI;
-
- i = realI = srcH / dstH;
- pOverlay->IntBit |= 0x02;
-
- if (i < 2) {
- pOverlay->VUSF = ((srcH - dstH) << 16) / dstH;
- /* TW: Needed for LCD-scaling modes */
- if ((flag) && (mult = (srcH / origdstH)) >= 2)
- pOverlay->pitch /= mult;
- } else {
-#if 0
- if (((pOverlay->bobEnable & 0x08) == 0x00) &&
- (((srcPitch * i) >> 2) > 0xFFF)) {
- pOverlay->bobEnable |= 0x08;
- srcPitch >>= 1;
- }
-#endif
- if (((srcPitch * i) >> 2) > 0xFFF) {
- i = (0xFFF * 2 / srcPitch);
- pOverlay->VUSF = 0xFFFF;
- } else {
- dstH = i * dstH;
- if (srcH % dstH)
- pOverlay->VUSF = ((srcH - dstH) << 16) / dstH;
- else
- pOverlay->VUSF = 0x00;
- }
- /* set video frame buffer offset */
- pOverlay->pitch = (uint16_t) (srcPitch * i);
- }
- }
-}
-
-static void set_line_buf_size(SISOverlayPtr pOverlay)
-{
- uint8_t preHIDF;
- uint32_t i;
- uint32_t line = pOverlay->srcW;
-
- if ((pOverlay->pixelFormat == IMGFMT_YV12) ||
- (pOverlay->pixelFormat == IMGFMT_I420)) {
- preHIDF = pOverlay->wHPre & 0x07;
- switch (preHIDF) {
- case 3:
- if ((line & 0xffffff00) == line)
- i = (line >> 8);
- else
- i = (line >> 8) + 1;
- pOverlay->lineBufSize = (uint8_t) (i * 32 - 1);
- break;
- case 4:
- if ((line & 0xfffffe00) == line)
- i = (line >> 9);
- else
- i = (line >> 9) + 1;
- pOverlay->lineBufSize = (uint8_t) (i * 64 - 1);
- break;
- case 5:
- if ((line & 0xfffffc00) == line)
- i = (line >> 10);
- else
- i = (line >> 10) + 1;
- pOverlay->lineBufSize = (uint8_t) (i * 128 - 1);
- break;
- case 6:
- if ((line & 0xfffff800) == line)
- i = (line >> 11);
- else
- i = (line >> 11) + 1;
- pOverlay->lineBufSize = (uint8_t) (i * 256 - 1);
- break;
- default:
- if ((line & 0xffffff80) == line)
- i = (line >> 7);
- else
- i = (line >> 7) + 1;
- pOverlay->lineBufSize = (uint8_t) (i * 16 - 1);
- break;
- }
- } else { /* YUV2, UYVY */
- if ((line & 0xffffff8) == line)
- i = (line >> 3);
- else
- i = (line >> 3) + 1;
- pOverlay->lineBufSize = (uint8_t) (i - 1);
- }
-}
-
-static void merge_line_buf(int enable)
-{
- if (enable) {
- switch (sis_displaymode) {
- case DISPMODE_SINGLE1:
- if (sis_has_two_overlays) {
- /* dual line merge */
- setvideoregmask(Index_VI_Control_Misc2, 0x10, 0x11);
- setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
- } else {
- setvideoregmask(Index_VI_Control_Misc2, 0x10, 0x11);
- setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
- }
- break;
- case DISPMODE_SINGLE2:
- if (sis_has_two_overlays) {
- /* line merge */
- setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x11);
- setvideoregmask(Index_VI_Control_Misc1, 0x04, 0x04);
- } else {
- setvideoregmask(Index_VI_Control_Misc2, 0x10, 0x11);
- setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
- }
- break;
- case DISPMODE_MIRROR:
- default:
- /* line merge */
- setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x11);
- setvideoregmask(Index_VI_Control_Misc1, 0x04, 0x04);
- if (sis_has_two_overlays) {
- /* line merge */
- setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x11);
- setvideoregmask(Index_VI_Control_Misc1, 0x04, 0x04);
- }
- break;
- }
- } else {
- switch (sis_displaymode) {
- case DISPMODE_SINGLE1:
- setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x11);
- setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
- break;
- case DISPMODE_SINGLE2:
- if (sis_has_two_overlays) {
- setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x11);
- setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
- } else {
- setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x11);
- setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
- }
- break;
- case DISPMODE_MIRROR:
- default:
- setvideoregmask(Index_VI_Control_Misc2, 0x00, 0x11);
- setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
- if (sis_has_two_overlays) {
- setvideoregmask(Index_VI_Control_Misc2, 0x01, 0x11);
- setvideoregmask(Index_VI_Control_Misc1, 0x00, 0x04);
- }
- break;
- }
- }
-}
-
-
-static void set_format(SISOverlayPtr pOverlay)
-{
- uint8_t fmt;
-
- switch (pOverlay->pixelFormat) {
- case IMGFMT_YV12:
- case IMGFMT_I420:
- fmt = 0x0c;
- break;
- case IMGFMT_YUY2:
- fmt = 0x28;
- break;
- case IMGFMT_UYVY:
- fmt = 0x08;
- break;
- case IMGFMT_RGB15: /* D[5:4] : 00 RGB555, 01 RGB 565 */
- fmt = 0x00;
- break;
- case IMGFMT_RGB16:
- fmt = 0x10;
- break;
- default:
- fmt = 0x00;
- break;
- }
- setvideoregmask(Index_VI_Control_Misc0, fmt, 0x7c);
-}
-
-static void set_colorkey()
-{
- uint8_t r, g, b;
-
- b = (uint8_t) sis_grkey.ckey.blue;
- g = (uint8_t) sis_grkey.ckey.green;
- r = (uint8_t) sis_grkey.ckey.red;
-
- /* set color key mode */
- setvideoregmask(Index_VI_Key_Overlay_OP,
- sis_grkey.ckey.op == CKEY_TRUE ?
- VI_ROP_DestKey : VI_ROP_Always, 0x0F);
-
- /* set colorkey values */
- setvideoreg(Index_VI_Overlay_ColorKey_Blue_Min, (uint8_t) b);
- setvideoreg(Index_VI_Overlay_ColorKey_Green_Min, (uint8_t) g);
- setvideoreg(Index_VI_Overlay_ColorKey_Red_Min, (uint8_t) r);
-
- setvideoreg(Index_VI_Overlay_ColorKey_Blue_Max, (uint8_t) b);
- setvideoreg(Index_VI_Overlay_ColorKey_Green_Max, (uint8_t) g);
- setvideoreg(Index_VI_Overlay_ColorKey_Red_Max, (uint8_t) r);
-}
-
-static void set_brightness(uint8_t brightness)
-{
- setvideoreg(Index_VI_Brightness, brightness);
-}
-
-static void set_contrast(uint8_t contrast)
-{
- setvideoregmask(Index_VI_Contrast_Enh_Ctrl, contrast, 0x07);
-}
-
-/* Next 3 functions are 310/325 series only */
-
-static void set_saturation(char saturation)
-{
- uint8_t temp = 0;
-
- if (saturation < 0) {
- temp |= 0x88;
- saturation = -saturation;
- }
- temp |= (saturation & 0x07);
- temp |= ((saturation & 0x07) << 4);
-
- setvideoreg(Index_VI_Saturation, temp);
-}
-
-static void set_hue(uint8_t hue)
-{
- setvideoreg(Index_VI_Hue, (hue & 0x08) ? (hue ^ 0x07) : hue);
-}
-
-#if 0
-/* JCP: not used (I don't think it's correct anyway) */
-static void set_alpha(uint8_t alpha)
-{
- uint8_t data;
-
- data = getvideoreg(Index_VI_Key_Overlay_OP);
- data &= 0x0F;
- setvideoreg(Index_VI_Key_Overlay_OP, data | (alpha << 4));
-}
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-27 06:21:34 +0000