--- /dev/null
+/*
+ * Copyright 2012 Nouveau Community
+ *
+ * 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: Martin Peres
+ */
+#include <subdev/bios.h>
+#include <subdev/bios/bit.h>
+#include <subdev/bios/perf.h>
+
+#include <core/device.h>
+
+u16
+nvbios_perf_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr,
+ u8 *cnt, u8 *len, u8 *snr, u8 *ssz)
+{
+ struct bit_entry bit_P;
+ u16 perf = 0x0000;
+
+ if (!bit_entry(bios, 'P', &bit_P)) {
+ if (bit_P.version <= 2) {
+ perf = nv_ro16(bios, bit_P.offset + 0);
+ if (perf) {
+ *ver = nv_ro08(bios, perf + 0);
+ *hdr = nv_ro08(bios, perf + 1);
+ if (*ver >= 0x40 && *ver < 0x41) {
+ *cnt = nv_ro08(bios, perf + 5);
+ *len = nv_ro08(bios, perf + 2);
+ *snr = nv_ro08(bios, perf + 4);
+ *ssz = nv_ro08(bios, perf + 3);
+ return perf;
+ } else
+ if (*ver >= 0x20 && *ver < 0x40) {
+ *cnt = nv_ro08(bios, perf + 2);
+ *len = nv_ro08(bios, perf + 3);
+ *snr = nv_ro08(bios, perf + 4);
+ *ssz = nv_ro08(bios, perf + 5);
+ return perf;
+ }
+ }
+ }
+ }
+
+ if (bios->bmp_offset) {
+ if (nv_ro08(bios, bios->bmp_offset + 6) >= 0x25) {
+ perf = nv_ro16(bios, bios->bmp_offset + 0x94);
+ if (perf) {
+ *hdr = nv_ro08(bios, perf + 0);
+ *ver = nv_ro08(bios, perf + 1);
+ *cnt = nv_ro08(bios, perf + 2);
+ *len = nv_ro08(bios, perf + 3);
+ *snr = 0;
+ *ssz = 0;
+ return perf;
+ }
+ }
+ }
+
+ return 0x0000;
+}
+
+u16
+nvbios_perf_entry(struct nvkm_bios *bios, int idx,
+ u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
+{
+ u8 snr, ssz;
+ u16 perf = nvbios_perf_table(bios, ver, hdr, cnt, len, &snr, &ssz);
+ if (perf && idx < *cnt) {
+ perf = perf + *hdr + (idx * (*len + (snr * ssz)));
+ *hdr = *len;
+ *cnt = snr;
+ *len = ssz;
+ return perf;
+ }
+ return 0x0000;
+}
+
+u16
+nvbios_perfEp(struct nvkm_bios *bios, int idx,
+ u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_perfE *info)
+{
+ u16 perf = nvbios_perf_entry(bios, idx, ver, hdr, cnt, len);
+ memset(info, 0x00, sizeof(*info));
+ info->pstate = nv_ro08(bios, perf + 0x00);
+ switch (!!perf * *ver) {
+ case 0x12:
+ case 0x13:
+ case 0x14:
+ info->core = nv_ro32(bios, perf + 0x01) * 10;
+ info->memory = nv_ro32(bios, perf + 0x05) * 20;
+ info->fanspeed = nv_ro08(bios, perf + 0x37);
+ if (*hdr > 0x38)
+ info->voltage = nv_ro08(bios, perf + 0x38);
+ break;
+ case 0x21:
+ case 0x23:
+ case 0x24:
+ info->fanspeed = nv_ro08(bios, perf + 0x04);
+ info->voltage = nv_ro08(bios, perf + 0x05);
+ info->shader = nv_ro16(bios, perf + 0x06) * 1000;
+ info->core = info->shader + (signed char)
+ nv_ro08(bios, perf + 0x08) * 1000;
+ switch (nv_device(bios)->chipset) {
+ case 0x49:
+ case 0x4b:
+ info->memory = nv_ro16(bios, perf + 0x0b) * 1000;
+ break;
+ default:
+ info->memory = nv_ro16(bios, perf + 0x0b) * 2000;
+ break;
+ }
+ break;
+ case 0x25:
+ info->fanspeed = nv_ro08(bios, perf + 0x04);
+ info->voltage = nv_ro08(bios, perf + 0x05);
+ info->core = nv_ro16(bios, perf + 0x06) * 1000;
+ info->shader = nv_ro16(bios, perf + 0x0a) * 1000;
+ info->memory = nv_ro16(bios, perf + 0x0c) * 1000;
+ break;
+ case 0x30:
+ info->script = nv_ro16(bios, perf + 0x02);
+ case 0x35:
+ info->fanspeed = nv_ro08(bios, perf + 0x06);
+ info->voltage = nv_ro08(bios, perf + 0x07);
+ info->core = nv_ro16(bios, perf + 0x08) * 1000;
+ info->shader = nv_ro16(bios, perf + 0x0a) * 1000;
+ info->memory = nv_ro16(bios, perf + 0x0c) * 1000;
+ info->vdec = nv_ro16(bios, perf + 0x10) * 1000;
+ info->disp = nv_ro16(bios, perf + 0x14) * 1000;
+ break;
+ case 0x40:
+ info->voltage = nv_ro08(bios, perf + 0x02);
+ break;
+ default:
+ return 0x0000;
+ }
+ return perf;
+}
+
+u32
+nvbios_perfSe(struct nvkm_bios *bios, u32 perfE, int idx,
+ u8 *ver, u8 *hdr, u8 cnt, u8 len)
+{
+ u32 data = 0x00000000;
+ if (idx < cnt) {
+ data = perfE + *hdr + (idx * len);
+ *hdr = len;
+ }
+ return data;
+}
+
+u32
+nvbios_perfSp(struct nvkm_bios *bios, u32 perfE, int idx,
+ u8 *ver, u8 *hdr, u8 cnt, u8 len,
+ struct nvbios_perfS *info)
+{
+ u32 data = nvbios_perfSe(bios, perfE, idx, ver, hdr, cnt, len);
+ memset(info, 0x00, sizeof(*info));
+ switch (!!data * *ver) {
+ case 0x40:
+ info->v40.freq = (nv_ro16(bios, data + 0x00) & 0x3fff) * 1000;
+ break;
+ default:
+ break;
+ }
+ return data;
+}
+
+int
+nvbios_perf_fan_parse(struct nvkm_bios *bios,
+ struct nvbios_perf_fan *fan)
+{
+ u8 ver, hdr, cnt, len, snr, ssz;
+ u16 perf = nvbios_perf_table(bios, &ver, &hdr, &cnt, &len, &snr, &ssz);
+ if (!perf)
+ return -ENODEV;
+
+ if (ver >= 0x20 && ver < 0x40 && hdr > 6)
+ fan->pwm_divisor = nv_ro16(bios, perf + 6);
+ else
+ fan->pwm_divisor = 0;
+
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff