11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ATI Mach64 CT/VT/GT/LT Cursor Support 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fb.h> 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 819757fc8432ac97a07a890d6310cccc1896a1b36Tomi Valkeinen#include "../core/fb_draw.h" 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef __sparc__ 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/fbio.h> 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <video/mach64.h> 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "atyfb.h" 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The hardware cursor definition requires 2 bits per pixel. The 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Cursor size reguardless of the visible cursor size is 64 pixels 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * by 64 lines. The total memory required to define the cursor is 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 16 bytes / line for 64 lines or 1024 bytes of data. The data 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * must be in a contigiuos format. The 2 bit cursor code values are 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * as follows: 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 00 - pixel colour = CURSOR_CLR_0 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 01 - pixel colour = CURSOR_CLR_1 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10 - pixel colour = transparent (current display pixel) 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 11 - pixel colour = 1's complement of current display pixel 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Cursor Offset 64 pixels Actual Displayed Area 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * \_________________________/ 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | | | | 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * |<--------------->| | | 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | CURS_HORZ_OFFSET| | | 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | |_______| | 64 Lines 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | ^ | | 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | | | | 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | CURS_VERT_OFFSET| | 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * | | | | 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * |____________________|____| | 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The Screen position of the top left corner of the displayed 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * cursor is specificed by CURS_HORZ_VERT_POSN. Care must be taken 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * when the cursor hot spot is not the top left corner and the 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * physical cursor position becomes negative. It will be be displayed 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if either the horizontal or vertical cursor position is negative 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * If x becomes negative the cursor manager must adjust the CURS_HORZ_OFFSET 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to a larger number and saturate CUR_HORZ_POSN to zero. 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if Y becomes negative, CUR_VERT_OFFSET must be adjusted to a larger number, 5525985edcedea6396277003854657b5f3cb31a628Lucas De Marchi * CUR_OFFSET must be adjusted to a point to the appropriate line in the cursor 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * definitation and CUR_VERT_POSN must be saturated to zero. 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Hardware Cursor support. 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const u8 cursor_bits_lookup[16] = { 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 0x00, 0x40, 0x10, 0x50, 0x04, 0x44, 0x14, 0x54, 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 0x01, 0x41, 0x11, 0x51, 0x05, 0x45, 0x15, 0x55 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int atyfb_cursor(struct fb_info *info, struct fb_cursor *cursor) 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct atyfb_par *par = (struct atyfb_par *) info->par; 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 xoff, yoff; 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int x, y, h; 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef __sparc__ 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (par->mmaped) 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EPERM; 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (par->asleep) 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EPERM; 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_for_fifo(1, par); 812f682fae611df642acfb99b5f2fd665f001cd253Krzysztof Helt if (cursor->enable) 822f682fae611df642acfb99b5f2fd665f001cd253Krzysztof Helt aty_st_le32(GEN_TEST_CNTL, aty_ld_le32(GEN_TEST_CNTL, par) 832f682fae611df642acfb99b5f2fd665f001cd253Krzysztof Helt | HWCURSOR_ENABLE, par); 842f682fae611df642acfb99b5f2fd665f001cd253Krzysztof Helt else 852f682fae611df642acfb99b5f2fd665f001cd253Krzysztof Helt aty_st_le32(GEN_TEST_CNTL, aty_ld_le32(GEN_TEST_CNTL, par) 862f682fae611df642acfb99b5f2fd665f001cd253Krzysztof Helt & ~HWCURSOR_ENABLE, par); 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* set position */ 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cursor->set & FB_CUR_SETPOS) { 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds x = cursor->image.dx - cursor->hot.x - info->var.xoffset; 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (x < 0) { 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds xoff = -x; 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds x = 0; 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds xoff = 0; 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds y = cursor->image.dy - cursor->hot.y - info->var.yoffset; 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (y < 0) { 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds yoff = -y; 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds y = 0; 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds yoff = 0; 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds h = cursor->image.height; 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * In doublescan mode, the cursor location 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * and heigh also needs to be doubled. 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (par->crtc.gen_cntl & CRTC_DBL_SCAN_EN) { 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds y<<=1; 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds h<<=1; 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1162f682fae611df642acfb99b5f2fd665f001cd253Krzysztof Helt wait_for_fifo(3, par); 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds aty_st_le32(CUR_OFFSET, (info->fix.smem_len >> 3) + (yoff << 1), par); 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds aty_st_le32(CUR_HORZ_VERT_OFF, 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((u32) (64 - h + yoff) << 16) | xoff, par); 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds aty_st_le32(CUR_HORZ_VERT_POSN, ((u32) y << 16) | x, par); 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set color map */ 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cursor->set & FB_CUR_SETCMAP) { 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 fg_idx, bg_idx, fg, bg; 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fg_idx = cursor->image.fg_color; 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bg_idx = cursor->image.bg_color; 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13072c24cc51aef31219f2e258b4dcb68e09399e040Antonino A. Daplas fg = ((info->cmap.red[fg_idx] & 0xff) << 24) | 13172c24cc51aef31219f2e258b4dcb68e09399e040Antonino A. Daplas ((info->cmap.green[fg_idx] & 0xff) << 16) | 13272c24cc51aef31219f2e258b4dcb68e09399e040Antonino A. Daplas ((info->cmap.blue[fg_idx] & 0xff) << 8) | 0xff; 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13472c24cc51aef31219f2e258b4dcb68e09399e040Antonino A. Daplas bg = ((info->cmap.red[bg_idx] & 0xff) << 24) | 13572c24cc51aef31219f2e258b4dcb68e09399e040Antonino A. Daplas ((info->cmap.green[bg_idx] & 0xff) << 16) | 13672c24cc51aef31219f2e258b4dcb68e09399e040Antonino A. Daplas ((info->cmap.blue[bg_idx] & 0xff) << 8); 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_for_fifo(2, par); 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds aty_st_le32(CUR_CLR0, bg, par); 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds aty_st_le32(CUR_CLR1, fg, par); 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cursor->set & (FB_CUR_SETSHAPE | FB_CUR_SETIMAGE)) { 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 *src = (u8 *)cursor->image.data; 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 *msk = (u8 *)cursor->mask; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 __iomem *dst = (u8 __iomem *)info->sprite.addr; 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int width = (cursor->image.width + 7) >> 3; 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int height = cursor->image.height; 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int align = info->sprite.scan_align; 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int i, j, offset; 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 m, b; 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Clear cursor image with 1010101010... 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fb_memset(dst, 0xaa, 1024); 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds offset = align - width*2; 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < height; i++) { 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < width; j++) { 16143751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka u16 l = 0xaaaa; 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b = *src++; 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m = *msk++; 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (cursor->rop) { 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ROP_XOR: 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Upper 4 bits of mask data 16743751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka l = cursor_bits_lookup[(b ^ m) >> 4] | 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Lower 4 bits of mask 16943751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka (cursor_bits_lookup[(b ^ m) & 0x0f] << 8); 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ROP_COPY: 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Upper 4 bits of mask data 17343751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka l = cursor_bits_lookup[(b & m) >> 4] | 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // Lower 4 bits of mask 17543751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka (cursor_bits_lookup[(b & m) & 0x0f] << 8); 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17843751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka /* 17943751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka * If cursor size is not a multiple of 8 characters 18043751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka * we must pad it with transparent pattern (0xaaaa). 18143751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka */ 18243751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka if ((j + 1) * 8 > cursor->image.width) { 18343751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka l = comp(l, 0xaaaa, 18443751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka (1 << ((cursor->image.width & 7) * 2)) - 1); 18543751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka } 18643751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka fb_writeb(l & 0xff, dst++); 18743751a1b8ee2e70ce392bf31ef3133da324e68b3Mikulas Patocka fb_writeb(l >> 8, dst++); 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dst += offset; 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19648c68c4f1b542444f175a9e136febcecf3e704d8Greg Kroah-Hartmanint aty_init_cursor(struct fb_info *info) 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long addr; 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info->fix.smem_len -= PAGE_SIZE; 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef __sparc__ 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr = (unsigned long) info->screen_base - 0x800000 + info->fix.smem_len; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info->sprite.addr = (u8 *) addr; 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef __BIG_ENDIAN 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr = info->fix.smem_start - 0x800000 + info->fix.smem_len; 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info->sprite.addr = (u8 *) ioremap(addr, 1024); 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr = (unsigned long) info->screen_base + info->fix.smem_len; 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info->sprite.addr = (u8 *) addr; 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!info->sprite.addr) 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENXIO; 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info->sprite.size = PAGE_SIZE; 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info->sprite.scan_align = 16; /* Scratch pad 64 bytes wide */ 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info->sprite.buf_align = 16; /* and 64 lines tall. */ 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info->sprite.flags = FB_PIXMAP_IO; 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info->fbops->fb_cursor = atyfb_cursor; 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 226