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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | /* * Copyright 2013 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/M0205.h> u32 nvbios_M0205Te(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *snr, u8 *ssz) { struct bit_entry bit_M; u32 data = 0x00000000; if (!bit_entry(bios, 'M', &bit_M)) { if (bit_M.version == 2 && bit_M.length > 0x08) data = nvbios_rd32(bios, bit_M.offset + 0x05); if (data) { *ver = nvbios_rd08(bios, data + 0x00); switch (*ver) { case 0x10: *hdr = nvbios_rd08(bios, data + 0x01); *len = nvbios_rd08(bios, data + 0x02); *ssz = nvbios_rd08(bios, data + 0x03); *snr = nvbios_rd08(bios, data + 0x04); *cnt = nvbios_rd08(bios, data + 0x05); return data; default: break; } } } return 0x00000000; } u32 nvbios_M0205Tp(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *snr, u8 *ssz, struct nvbios_M0205T *info) { u32 data = nvbios_M0205Te(bios, ver, hdr, cnt, len, snr, ssz); memset(info, 0x00, sizeof(*info)); switch (!!data * *ver) { case 0x10: info->freq = nvbios_rd16(bios, data + 0x06); break; default: break; } return data; } u32 nvbios_M0205Ee(struct nvkm_bios *bios, int idx, u8 *ver, u8 *hdr, u8 *cnt, u8 *len) { u8 snr, ssz; u32 data = nvbios_M0205Te(bios, ver, hdr, cnt, len, &snr, &ssz); if (data && idx < *cnt) { data = data + *hdr + idx * (*len + (snr * ssz)); *hdr = *len; *cnt = snr; *len = ssz; return data; } return 0x00000000; } u32 nvbios_M0205Ep(struct nvkm_bios *bios, int idx, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_M0205E *info) { u32 data = nvbios_M0205Ee(bios, idx, ver, hdr, cnt, len); memset(info, 0x00, sizeof(*info)); switch (!!data * *ver) { case 0x10: info->type = nvbios_rd08(bios, data + 0x00) & 0x0f; return data; default: break; } return 0x00000000; } u32 nvbios_M0205Se(struct nvkm_bios *bios, int ent, int idx, u8 *ver, u8 *hdr) { u8 cnt, len; u32 data = nvbios_M0205Ee(bios, ent, ver, hdr, &cnt, &len); if (data && idx < cnt) { data = data + *hdr + idx * len; *hdr = len; return data; } return 0x00000000; } u32 nvbios_M0205Sp(struct nvkm_bios *bios, int ent, int idx, u8 *ver, u8 *hdr, struct nvbios_M0205S *info) { u32 data = nvbios_M0205Se(bios, ent, idx, ver, hdr); memset(info, 0x00, sizeof(*info)); switch (!!data * *ver) { case 0x10: info->data = nvbios_rd08(bios, data + 0x00); return data; default: break; } return 0x00000000; } |