diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/pm2fb.c | 125 |
1 files changed, 113 insertions, 12 deletions
diff --git a/drivers/video/pm2fb.c b/drivers/video/pm2fb.c index 53dd639e9753..20476f4c43ae 100644 --- a/drivers/video/pm2fb.c +++ b/drivers/video/pm2fb.c @@ -1257,18 +1257,8 @@ static const u8 cursor_bits_lookup[16] = { static int pm2vfb_cursor(struct fb_info *info, struct fb_cursor *cursor) { struct pm2fb_par *par = info->par; - u8 mode; - - if (!hwcursor) - return -EINVAL; /* just to force soft_cursor() call */ - - /* Too large of a cursor or wrong bpp :-( */ - if (cursor->image.width > 64 || - cursor->image.height > 64 || - cursor->image.depth > 1) - return -EINVAL; + u8 mode = PM2F_CURSORMODE_TYPE_X; - mode = PM2F_CURSORMODE_TYPE_X; if (cursor->enable) mode |= PM2F_CURSORMODE_CURSOR_ENABLE; @@ -1369,11 +1359,122 @@ static int pm2vfb_cursor(struct fb_info *info, struct fb_cursor *cursor) static int pm2fb_cursor(struct fb_info *info, struct fb_cursor *cursor) { struct pm2fb_par *par = info->par; + u8 mode; + + if (!hwcursor) + return -EINVAL; /* just to force soft_cursor() call */ + + /* Too large of a cursor or wrong bpp :-( */ + if (cursor->image.width > 64 || + cursor->image.height > 64 || + cursor->image.depth > 1) + return -EINVAL; if (par->type == PM2_TYPE_PERMEDIA2V) return pm2vfb_cursor(info, cursor); - return -ENXIO; + mode = 0; + if (cursor->enable) + mode = 0x43; + + pm2_RDAC_WR(par, PM2I_RD_CURSOR_CONTROL, mode); + + /* + * If the cursor is not be changed this means either we want the + * current cursor state (if enable is set) or we want to query what + * we can do with the cursor (if enable is not set) + */ + if (!cursor->set) + return 0; + + if (cursor->set & FB_CUR_SETPOS) { + int x, y; + + x = cursor->image.dx + 63; + y = cursor->image.dy + 63; + WAIT_FIFO(par, 4); + pm2_WR(par, PM2R_RD_CURSOR_X_LSB, x & 0xff); + pm2_WR(par, PM2R_RD_CURSOR_X_MSB, (x >> 8) & 0x7); + pm2_WR(par, PM2R_RD_CURSOR_Y_LSB, y & 0xff); + pm2_WR(par, PM2R_RD_CURSOR_Y_MSB, (y >> 8) & 0x7); + } + + if (cursor->set & FB_CUR_SETCMAP) { + u32 fg_idx = cursor->image.fg_color; + u32 bg_idx = cursor->image.bg_color; + + WAIT_FIFO(par, 7); + pm2_WR(par, PM2R_RD_CURSOR_COLOR_ADDRESS, 1); + pm2_WR(par, PM2R_RD_CURSOR_COLOR_DATA, + info->cmap.red[bg_idx] >> 8); + pm2_WR(par, PM2R_RD_CURSOR_COLOR_DATA, + info->cmap.green[bg_idx] >> 8); + pm2_WR(par, PM2R_RD_CURSOR_COLOR_DATA, + info->cmap.blue[bg_idx] >> 8); + + pm2_WR(par, PM2R_RD_CURSOR_COLOR_DATA, + info->cmap.red[fg_idx] >> 8); + pm2_WR(par, PM2R_RD_CURSOR_COLOR_DATA, + info->cmap.green[fg_idx] >> 8); + pm2_WR(par, PM2R_RD_CURSOR_COLOR_DATA, + info->cmap.blue[fg_idx] >> 8); + } + + if (cursor->set & (FB_CUR_SETSHAPE | FB_CUR_SETIMAGE)) { + u8 *bitmap = (u8 *)cursor->image.data; + u8 *mask = (u8 *)cursor->mask; + int i; + + WAIT_FIFO(par, 1); + pm2_WR(par, PM2R_RD_PALETTE_WRITE_ADDRESS, 0); + + for (i = 0; i < cursor->image.height; i++) { + int j = (cursor->image.width + 7) >> 3; + int k = 8 - j; + + WAIT_FIFO(par, 8); + for (; j > 0; j--) { + u8 data = *bitmap ^ *mask; + + if (cursor->rop == ROP_COPY) + data = *mask & *bitmap; + /* bitmap data */ + pm2_WR(par, PM2R_RD_CURSOR_DATA, data); + bitmap++; + mask++; + } + for (; k > 0; k--) + pm2_WR(par, PM2R_RD_CURSOR_DATA, 0); + } + for (; i < 64; i++) { + int j = 8; + WAIT_FIFO(par, 8); + while (j-- > 0) + pm2_WR(par, PM2R_RD_CURSOR_DATA, 0); + } + + mask = (u8 *)cursor->mask; + for (i = 0; i < cursor->image.height; i++) { + int j = (cursor->image.width + 7) >> 3; + int k = 8 - j; + + WAIT_FIFO(par, 8); + for (; j > 0; j--) { + /* mask */ + pm2_WR(par, PM2R_RD_CURSOR_DATA, *mask); + mask++; + } + for (; k > 0; k--) + pm2_WR(par, PM2R_RD_CURSOR_DATA, 0); + } + for (; i < 64; i++) { + int j = 8; + WAIT_FIFO(par, 8); + while (j-- > 0) + pm2_WR(par, PM2R_RD_CURSOR_DATA, 0); + } + } + return 0; } /* ------------ Hardware Independent Functions ------------ */ |