diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/fb/gddr5.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/gddr5.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/gddr5.c b/drivers/gpu/drm/nouveau/core/subdev/fb/gddr5.c deleted file mode 100644 index 7fbbe05d5c60..000000000000 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/gddr5.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * 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 <bskeggs@redhat.com> - */ - -#include <subdev/bios.h> -#include "priv.h" - -/* binary driver only executes this path if the condition (a) is true - * for any configuration (combination of rammap+ramcfg+timing) that - * can be reached on a given card. for now, we will execute the branch - * unconditionally in the hope that a "false everywhere" in the bios - * tables doesn't actually mean "don't touch this". - */ -#define NOTE00(a) 1 - -int -nouveau_gddr5_calc(struct nouveau_ram *ram, bool nuts) -{ - int pd, lf, xd, vh, vr, vo, l3; - int WL, CL, WR, at[2], dt, ds; - int rq = ram->freq < 1000000; /* XXX */ - - switch (ram->next->bios.ramcfg_ver) { - case 0x11: - pd = ram->next->bios.ramcfg_11_01_80; - lf = ram->next->bios.ramcfg_11_01_40; - xd = !ram->next->bios.ramcfg_11_01_20; - vh = ram->next->bios.ramcfg_11_02_10; - vr = ram->next->bios.ramcfg_11_02_04; - vo = ram->next->bios.ramcfg_11_06; - l3 = !ram->next->bios.ramcfg_11_07_02; - break; - default: - return -ENOSYS; - } - - switch (ram->next->bios.timing_ver) { - case 0x20: - WL = (ram->next->bios.timing[1] & 0x00000f80) >> 7; - CL = (ram->next->bios.timing[1] & 0x0000001f); - WR = (ram->next->bios.timing[2] & 0x007f0000) >> 16; - at[0] = ram->next->bios.timing_20_2e_c0; - at[1] = ram->next->bios.timing_20_2e_30; - dt = ram->next->bios.timing_20_2e_03; - ds = ram->next->bios.timing_20_2f_03; - break; - default: - return -ENOSYS; - } - - if (WL < 1 || WL > 7 || CL < 5 || CL > 36 || WR < 4 || WR > 35) - return -EINVAL; - CL -= 5; - WR -= 4; - - ram->mr[0] &= ~0xf7f; - ram->mr[0] |= (WR & 0x0f) << 8; - ram->mr[0] |= (CL & 0x0f) << 3; - ram->mr[0] |= (WL & 0x07) << 0; - - ram->mr[1] &= ~0x0bf; - ram->mr[1] |= (xd & 0x01) << 7; - ram->mr[1] |= (at[0] & 0x03) << 4; - ram->mr[1] |= (dt & 0x03) << 2; - ram->mr[1] |= (ds & 0x03) << 0; - - /* this seems wrong, alternate field used for the broadcast - * on nuts vs non-nuts configs.. meh, it matches for now. - */ - ram->mr1_nuts = ram->mr[1]; - if (nuts) { - ram->mr[1] &= ~0x030; - ram->mr[1] |= (at[1] & 0x03) << 4; - } - - ram->mr[3] &= ~0x020; - ram->mr[3] |= (rq & 0x01) << 5; - - ram->mr[5] &= ~0x004; - ram->mr[5] |= (l3 << 2); - - if (!vo) - vo = (ram->mr[6] & 0xff0) >> 4; - if (ram->mr[6] & 0x001) - pd = 1; /* binary driver does this.. bug? */ - ram->mr[6] &= ~0xff1; - ram->mr[6] |= (vo & 0xff) << 4; - ram->mr[6] |= (pd & 0x01) << 0; - - if (NOTE00(vr)) { - ram->mr[7] &= ~0x300; - ram->mr[7] |= (vr & 0x03) << 8; - } - ram->mr[7] &= ~0x088; - ram->mr[7] |= (vh & 0x01) << 7; - ram->mr[7] |= (lf & 0x01) << 3; - - ram->mr[8] &= ~0x003; - ram->mr[8] |= (WR & 0x10) >> 3; - ram->mr[8] |= (CL & 0x10) >> 4; - return 0; -} |