diff options
Diffstat (limited to 'src/gx_regacc.c')
| -rw-r--r-- | src/gx_regacc.c | 143 |
1 files changed, 73 insertions, 70 deletions
diff --git a/src/gx_regacc.c b/src/gx_regacc.c index 3156726..c7ba64a 100644 --- a/src/gx_regacc.c +++ b/src/gx_regacc.c @@ -66,11 +66,12 @@ unsigned long gfx_read_vid32(unsigned long offset); unsigned long gfx_read_vip32(unsigned long offset); void gfx_write_vip32(unsigned long offset, unsigned long value); void gfx_mono_bitmap_to_screen_blt_swp(unsigned short srcx, - unsigned short srcy, - unsigned short dstx, - unsigned short dsty, - unsigned short width, - unsigned short height, unsigned char *data, short pitch); + unsigned short srcy, + unsigned short dstx, + unsigned short dsty, + unsigned short width, + unsigned short height, + unsigned char *data, short pitch); unsigned int GetVideoMemSize(void); /* ROUTINES added accessing hardware reg */ @@ -91,6 +92,7 @@ gfx_write_reg32(unsigned long offset, unsigned long value) { WRITE_REG32(offset, value); } + unsigned short gfx_read_reg16(unsigned long offset) { @@ -99,6 +101,7 @@ gfx_read_reg16(unsigned long offset) value = READ_REG16(offset); return value; } + unsigned long gfx_read_reg32(unsigned long offset) { @@ -113,6 +116,7 @@ gfx_write_vid32(unsigned long offset, unsigned long value) { WRITE_VID32(offset, value); } + unsigned long gfx_read_vid32(unsigned long offset) { @@ -155,31 +159,31 @@ gfx_write_vip32(unsigned long offset, unsigned long value) void gfx_mono_bitmap_to_screen_blt_swp(unsigned short srcx, unsigned short srcy, - unsigned short dstx, unsigned short dsty, - unsigned short width, unsigned short height, - unsigned char *data, short pitch) + unsigned short dstx, unsigned short dsty, + unsigned short width, unsigned short height, + unsigned char *data, short pitch) { unsigned long dstoffset, size, bytes; unsigned long offset, temp_offset, temp1 = 0, temp2 = 0; unsigned long i, j = 0, fifo_lines, dwords_extra, bytes_extra; unsigned long shift = 0; - size = (((unsigned long)width) << 16) | height; + size = (((unsigned long) width) << 16) | height; /* CALCULATE STARTING OFFSETS */ - offset = (unsigned long)srcy *pitch + ((unsigned long)srcx >> 3); + offset = (unsigned long) srcy *pitch + ((unsigned long) srcx >> 3); - dstoffset = (unsigned long)dsty *gu2_pitch + - (((unsigned long)dstx) << gu2_xshift); + dstoffset = (unsigned long) dsty *gu2_pitch + + (((unsigned long) dstx) << gu2_xshift); /* CHECK IF PATTERN ORIGINS NEED TO BE SET */ if (GFXpatternFlags) { - /* COMBINE X AND Y PATTERN ORIGINS WITH OFFSET */ + /* COMBINE X AND Y PATTERN ORIGINS WITH OFFSET */ - dstoffset |= ((unsigned long)(dstx & 7)) << 26; - dstoffset |= ((unsigned long)(dsty & 7)) << 29; + dstoffset |= ((unsigned long) (dstx & 7)) << 26; + dstoffset |= ((unsigned long) (dsty & 7)) << 29; } bytes = ((srcx & 7) + width + 7) >> 3; @@ -195,12 +199,11 @@ gfx_mono_bitmap_to_screen_blt_swp(unsigned short srcx, unsigned short srcy, GU2_WAIT_PENDING; WRITE_GP32(MGP_RASTER_MODE, gu2_rop32); - WRITE_GP32(MGP_SRC_OFFSET, ((unsigned long)srcx & 7) << 26); + WRITE_GP32(MGP_SRC_OFFSET, ((unsigned long) srcx & 7) << 26); WRITE_GP32(MGP_DST_OFFSET, dstoffset); WRITE_GP32(MGP_WID_HEIGHT, size); WRITE_GP32(MGP_STRIDE, gu2_pitch); - WRITE_GP16(MGP_BLT_MODE, - gu2_blt_mode | MGP_BM_SRC_HOST | MGP_BM_SRC_MONO); + WRITE_GP16(MGP_BLT_MODE, gu2_blt_mode | MGP_BM_SRC_HOST | MGP_BM_SRC_MONO); /* WAIT FOR BLT TO BE LATCHED */ @@ -209,34 +212,34 @@ gfx_mono_bitmap_to_screen_blt_swp(unsigned short srcx, unsigned short srcy, /* WRITE ALL OF THE DATA TO THE HOST SOURCE REGISTER */ while (height--) { - temp_offset = offset; + temp_offset = offset; - /* WRITE ALL FULL FIFO LINES */ + /* WRITE ALL FULL FIFO LINES */ - for (i = 0; i < fifo_lines; i++) { - GU2_WAIT_HALF_EMPTY; - WRITE_GPREG_STRING32_SWP(MGP_HST_SOURCE, 8, j, data, temp_offset, - temp1); - temp_offset += 32; - } + for (i = 0; i < fifo_lines; i++) { + GU2_WAIT_HALF_EMPTY; + WRITE_GPREG_STRING32_SWP(MGP_HST_SOURCE, 8, j, data, temp_offset, + temp1); + temp_offset += 32; + } - /* WRITE ALL FULL DWORDS */ + /* WRITE ALL FULL DWORDS */ - GU2_WAIT_HALF_EMPTY; - if (dwords_extra) { - WRITE_GPREG_STRING32_SWP(MGP_HST_SOURCE, dwords_extra, i, data, - temp_offset, temp1); - temp_offset += (dwords_extra << 2); - } + GU2_WAIT_HALF_EMPTY; + if (dwords_extra) { + WRITE_GPREG_STRING32_SWP(MGP_HST_SOURCE, dwords_extra, i, data, + temp_offset, temp1); + temp_offset += (dwords_extra << 2); + } - /* WRITE REMAINING BYTES */ + /* WRITE REMAINING BYTES */ - shift = 0; - if (bytes_extra) - WRITE_GPREG_STRING8(MGP_HST_SOURCE, bytes_extra, shift, i, data, - temp_offset, temp1, temp2); + shift = 0; + if (bytes_extra) + WRITE_GPREG_STRING8(MGP_HST_SOURCE, bytes_extra, shift, i, data, + temp_offset, temp1, temp2); - offset += pitch; + offset += pitch; } } @@ -260,37 +263,37 @@ GetVideoMemSize(void) /* Calculate total memory size for GXm. */ for (i = 0; i < 2; i++) { - if (((mcBankCfg >> dimmShift) & 0x7) != 0x7) { - switch ((mcBankCfg >> (dimmShift + 4)) & 0x7) { - case 0: - totalMem += 0x400000; - break; - case 1: - totalMem += 0x800000; - break; - case 2: - totalMem += 0x1000000; - break; - case 3: - totalMem += 0x2000000; - break; - case 4: - totalMem += 0x4000000; - break; - case 5: - totalMem += 0x8000000; - break; - case 6: - totalMem += 0x10000000; - break; - case 7: - totalMem += 0x20000000; - break; - default: - break; - } - } - dimmShift += 16; + if (((mcBankCfg >> dimmShift) & 0x7) != 0x7) { + switch ((mcBankCfg >> (dimmShift + 4)) & 0x7) { + case 0: + totalMem += 0x400000; + break; + case 1: + totalMem += 0x800000; + break; + case 2: + totalMem += 0x1000000; + break; + case 3: + totalMem += 0x2000000; + break; + case 4: + totalMem += 0x4000000; + break; + case 5: + totalMem += 0x8000000; + break; + case 6: + totalMem += 0x10000000; + break; + case 7: + totalMem += 0x20000000; + break; + default: + break; + } + } + dimmShift += 16; } /* Calculate graphics memory base address */ |