From 7500bb7eb417d432cdb57643d813c122ee8c43c0 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Mon, 1 Sep 2014 15:33:14 +1000 Subject: [PATCH] drm/nouveau/bios: add support for parsing table at BIT 'M' v2 + 0x05 Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/Makefile | 3 +- .../nouveau/core/include/subdev/bios/M0205.h | 32 +++++ .../gpu/drm/nouveau/core/subdev/bios/M0205.c | 136 ++++++++++++++++++ 3 files changed, 170 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/nouveau/core/include/subdev/bios/M0205.h create mode 100644 drivers/gpu/drm/nouveau/core/subdev/bios/M0205.c diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile index f0647f6347c2..0e33b9526f04 100644 --- a/drivers/gpu/drm/nouveau/Makefile +++ b/drivers/gpu/drm/nouveau/Makefile @@ -38,6 +38,7 @@ nouveau-y += core/subdev/bios/dcb.o nouveau-y += core/subdev/bios/disp.o nouveau-y += core/subdev/bios/dp.o nouveau-y += core/subdev/bios/extdev.o +nouveau-y += core/subdev/bios/fan.o nouveau-y += core/subdev/bios/gpio.o nouveau-y += core/subdev/bios/i2c.o nouveau-y += core/subdev/bios/init.o @@ -51,8 +52,8 @@ nouveau-y += core/subdev/bios/therm.o nouveau-y += core/subdev/bios/vmap.o nouveau-y += core/subdev/bios/volt.o nouveau-y += core/subdev/bios/xpio.o +nouveau-y += core/subdev/bios/M0205.o nouveau-y += core/subdev/bios/P0260.o -nouveau-y += core/subdev/bios/fan.o nouveau-y += core/subdev/bus/hwsq.o nouveau-y += core/subdev/bus/nv04.o nouveau-y += core/subdev/bus/nv31.o diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bios/M0205.h b/drivers/gpu/drm/nouveau/core/include/subdev/bios/M0205.h new file mode 100644 index 000000000000..e171120cec81 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/include/subdev/bios/M0205.h @@ -0,0 +1,32 @@ +#ifndef __NVBIOS_M0205_H__ +#define __NVBIOS_M0205_H__ + +struct nvbios_M0205T { + u16 freq; +}; + +u32 nvbios_M0205Te(struct nouveau_bios *, + u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *snr, u8 *ssz); +u32 nvbios_M0205Tp(struct nouveau_bios *, + u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *snr, u8 *ssz, + struct nvbios_M0205T *); + +struct nvbios_M0205E { + u8 type; +}; + +u32 nvbios_M0205Ee(struct nouveau_bios *, int idx, + u8 *ver, u8 *hdr, u8 *cnt, u8 *len); +u32 nvbios_M0205Ep(struct nouveau_bios *, int idx, + u8 *ver, u8 *hdr, u8 *cnt, u8 *len, + struct nvbios_M0205E *); + +struct nvbios_M0205S { + u8 data; +}; + +u32 nvbios_M0205Se(struct nouveau_bios *, int ent, int idx, u8 *ver, u8 *hdr); +u32 nvbios_M0205Sp(struct nouveau_bios *, int ent, int idx, u8 *ver, u8 *hdr, + struct nvbios_M0205S *); + +#endif diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/M0205.c b/drivers/gpu/drm/nouveau/core/subdev/bios/M0205.c new file mode 100644 index 000000000000..ac9617c5fc2a --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/M0205.c @@ -0,0 +1,136 @@ +/* + * 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 +#include +#include + +u32 +nvbios_M0205Te(struct nouveau_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 = nv_ro32(bios, bit_M.offset + 0x05); + if (data) { + *ver = nv_ro08(bios, data + 0x00); + switch (*ver) { + case 0x10: + *hdr = nv_ro08(bios, data + 0x01); + *len = nv_ro08(bios, data + 0x02); + *ssz = nv_ro08(bios, data + 0x03); + *snr = nv_ro08(bios, data + 0x04); + *cnt = nv_ro08(bios, data + 0x05); + return data; + default: + break; + } + } + } + + return 0x00000000; +} + +u32 +nvbios_M0205Tp(struct nouveau_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 = nv_ro16(bios, data + 0x06); + break; + default: + break; + } + return data; +} + +u32 +nvbios_M0205Ee(struct nouveau_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 nouveau_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 = nv_ro08(bios, data + 0x00) & 0x0f; + return data; + default: + break; + } + return 0x00000000; +} + +u32 +nvbios_M0205Se(struct nouveau_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 nouveau_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 = nv_ro08(bios, data + 0x00); + return data; + default: + break; + } + return 0x00000000; +}