diff options
Diffstat (limited to 'nvkm/subdev/bios/mxm.c')
| -rw-r--r-- | nvkm/subdev/bios/mxm.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/nvkm/subdev/bios/mxm.c b/nvkm/subdev/bios/mxm.c deleted file mode 100644 index 2610b11a9..000000000 --- a/nvkm/subdev/bios/mxm.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * Copyright 2012 Red Hat Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: Ben Skeggs - */ - -#include <subdev/bios.h> -#include <subdev/bios/bit.h> -#include <subdev/bios/mxm.h> - -u16 -mxm_table(struct nouveau_bios *bios, u8 *ver, u8 *hdr) -{ - struct bit_entry x; - - if (bit_entry(bios, 'x', &x)) { - nv_debug(bios, "BIT 'x' table not present\n"); - return 0x0000; - } - - *ver = x.version; - *hdr = x.length; - if (*ver != 1 || *hdr < 3) { - nv_warn(bios, "BIT 'x' table %d/%d unknown\n", *ver, *hdr); - return 0x0000; - } - - return x.offset; -} - -/* These map MXM v2.x digital connection values to the appropriate SOR/link, - * hopefully they're correct for all boards within the same chipset... - * - * MXM v3.x VBIOS are nicer and provide pointers to these tables. - */ -static u8 nv84_sor_map[16] = { - 0x00, 0x12, 0x22, 0x11, 0x32, 0x31, 0x11, 0x31, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 -}; - -static u8 nv92_sor_map[16] = { - 0x00, 0x12, 0x22, 0x11, 0x32, 0x31, 0x11, 0x31, - 0x11, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 -}; - -static u8 nv94_sor_map[16] = { - 0x00, 0x14, 0x24, 0x11, 0x34, 0x31, 0x11, 0x31, - 0x11, 0x31, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00 -}; - -static u8 nv98_sor_map[16] = { - 0x00, 0x14, 0x12, 0x11, 0x00, 0x31, 0x11, 0x31, - 0x11, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 -}; - -u8 -mxm_sor_map(struct nouveau_bios *bios, u8 conn) -{ - u8 ver, hdr; - u16 mxm = mxm_table(bios, &ver, &hdr); - if (mxm && hdr >= 6) { - u16 map = nv_ro16(bios, mxm + 4); - if (map) { - ver = nv_ro08(bios, map); - if (ver == 0x10) { - if (conn < nv_ro08(bios, map + 3)) { - map += nv_ro08(bios, map + 1); - map += conn; - return nv_ro08(bios, map); - } - - return 0x00; - } - - nv_warn(bios, "unknown sor map v%02x\n", ver); - } - } - - if (bios->version.chip == 0x84 || bios->version.chip == 0x86) - return nv84_sor_map[conn]; - if (bios->version.chip == 0x92) - return nv92_sor_map[conn]; - if (bios->version.chip == 0x94 || bios->version.chip == 0x96) - return nv94_sor_map[conn]; - if (bios->version.chip == 0x98) - return nv98_sor_map[conn]; - - nv_warn(bios, "missing sor map\n"); - return 0x00; -} - -u8 -mxm_ddc_map(struct nouveau_bios *bios, u8 port) -{ - u8 ver, hdr; - u16 mxm = mxm_table(bios, &ver, &hdr); - if (mxm && hdr >= 8) { - u16 map = nv_ro16(bios, mxm + 6); - if (map) { - ver = nv_ro08(bios, map); - if (ver == 0x10) { - if (port < nv_ro08(bios, map + 3)) { - map += nv_ro08(bios, map + 1); - map += port; - return nv_ro08(bios, map); - } - - return 0x00; - } - - nv_warn(bios, "unknown ddc map v%02x\n", ver); - } - } - - /* v2.x: directly write port as dcb i2cidx */ - return (port << 4) | port; -} |