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path: root/drivers/gpu/drm/nouveau/nouveau_perf.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_perf.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_perf.c368
1 files changed, 0 insertions, 368 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_perf.c b/drivers/gpu/drm/nouveau/nouveau_perf.c
deleted file mode 100644
index 58f497343ce..00000000000
--- a/drivers/gpu/drm/nouveau/nouveau_perf.c
+++ /dev/null
@@ -1,368 +0,0 @@
-/*
- * Copyright 2010 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 "drmP.h"
-
-#include "nouveau_drv.h"
-#include "nouveau_pm.h"
-
-static void
-legacy_perf_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nvbios *bios = &dev_priv->vbios;
- struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
- char *perf, *entry, *bmp = &bios->data[bios->offset];
- int headerlen, use_straps;
-
- if (bmp[5] < 0x5 || bmp[6] < 0x14) {
- NV_DEBUG(dev, "BMP version too old for perf\n");
- return;
- }
-
- perf = ROMPTR(dev, bmp[0x73]);
- if (!perf) {
- NV_DEBUG(dev, "No memclock table pointer found.\n");
- return;
- }
-
- switch (perf[0]) {
- case 0x12:
- case 0x14:
- case 0x18:
- use_straps = 0;
- headerlen = 1;
- break;
- case 0x01:
- use_straps = perf[1] & 1;
- headerlen = (use_straps ? 8 : 2);
- break;
- default:
- NV_WARN(dev, "Unknown memclock table version %x.\n", perf[0]);
- return;
- }
-
- entry = perf + headerlen;
- if (use_straps)
- entry += (nv_rd32(dev, NV_PEXTDEV_BOOT_0) & 0x3c) >> 1;
-
- sprintf(pm->perflvl[0].name, "performance_level_0");
- pm->perflvl[0].memory = ROM16(entry[0]) * 20;
- pm->nr_perflvl = 1;
-}
-
-static struct nouveau_pm_memtiming *
-nouveau_perf_timing(struct drm_device *dev, struct bit_entry *P,
- u16 memclk, u8 *entry, u8 recordlen, u8 entries)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
- struct nvbios *bios = &dev_priv->vbios;
- u8 ramcfg;
- int i;
-
- /* perf v2 has a separate "timing map" table, we have to match
- * the target memory clock to a specific entry, *then* use
- * ramcfg to select the correct subentry
- */
- if (P->version == 2) {
- u8 *tmap = ROMPTR(dev, P->data[4]);
- if (!tmap) {
- NV_DEBUG(dev, "no timing map pointer\n");
- return NULL;
- }
-
- if (tmap[0] != 0x10) {
- NV_WARN(dev, "timing map 0x%02x unknown\n", tmap[0]);
- return NULL;
- }
-
- entry = tmap + tmap[1];
- recordlen = tmap[2] + (tmap[4] * tmap[3]);
- for (i = 0; i < tmap[5]; i++, entry += recordlen) {
- if (memclk >= ROM16(entry[0]) &&
- memclk <= ROM16(entry[2]))
- break;
- }
-
- if (i == tmap[5]) {
- NV_WARN(dev, "no match in timing map table\n");
- return NULL;
- }
-
- entry += tmap[2];
- recordlen = tmap[3];
- entries = tmap[4];
- }
-
- ramcfg = (nv_rd32(dev, NV_PEXTDEV_BOOT_0) & 0x0000003c) >> 2;
- if (bios->ram_restrict_tbl_ptr)
- ramcfg = bios->data[bios->ram_restrict_tbl_ptr + ramcfg];
-
- if (ramcfg >= entries) {
- NV_WARN(dev, "ramcfg strap out of bounds!\n");
- return NULL;
- }
-
- entry += ramcfg * recordlen;
- if (entry[1] >= pm->memtimings.nr_timing) {
- if (entry[1] != 0xff)
- NV_WARN(dev, "timingset %d does not exist\n", entry[1]);
- return NULL;
- }
-
- return &pm->memtimings.timing[entry[1]];
-}
-
-static void
-nouveau_perf_voltage(struct drm_device *dev, struct bit_entry *P,
- struct nouveau_pm_level *perflvl)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- u8 *vmap;
- int id;
-
- id = perflvl->volt_min;
- perflvl->volt_min = 0;
-
- /* boards using voltage table version <0x40 store the voltage
- * level directly in the perflvl entry as a multiple of 10mV
- */
- if (dev_priv->engine.pm.voltage.version < 0x40) {
- perflvl->volt_min = id * 10000;
- perflvl->volt_max = perflvl->volt_min;
- return;
- }
-
- /* on newer ones, the perflvl stores an index into yet another
- * vbios table containing a min/max voltage value for the perflvl
- */
- if (P->version != 2 || P->length < 34) {
- NV_DEBUG(dev, "where's our volt map table ptr? %d %d\n",
- P->version, P->length);
- return;
- }
-
- vmap = ROMPTR(dev, P->data[32]);
- if (!vmap) {
- NV_DEBUG(dev, "volt map table pointer invalid\n");
- return;
- }
-
- if (id < vmap[3]) {
- vmap += vmap[1] + (vmap[2] * id);
- perflvl->volt_min = ROM32(vmap[0]);
- perflvl->volt_max = ROM32(vmap[4]);
- }
-}
-
-void
-nouveau_perf_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
- struct nvbios *bios = &dev_priv->vbios;
- struct bit_entry P;
- struct nouveau_pm_memtimings *memtimings = &pm->memtimings;
- struct nouveau_pm_tbl_header mt_hdr;
- u8 version, headerlen, recordlen, entries;
- u8 *perf, *entry;
- int vid, i;
-
- if (bios->type == NVBIOS_BIT) {
- if (bit_table(dev, 'P', &P))
- return;
-
- if (P.version != 1 && P.version != 2) {
- NV_WARN(dev, "unknown perf for BIT P %d\n", P.version);
- return;
- }
-
- perf = ROMPTR(dev, P.data[0]);
- version = perf[0];
- headerlen = perf[1];
- if (version < 0x40) {
- recordlen = perf[3] + (perf[4] * perf[5]);
- entries = perf[2];
-
- pm->pwm_divisor = ROM16(perf[6]);
- } else {
- recordlen = perf[2] + (perf[3] * perf[4]);
- entries = perf[5];
- }
- } else {
- if (bios->data[bios->offset + 6] < 0x25) {
- legacy_perf_init(dev);
- return;
- }
-
- perf = ROMPTR(dev, bios->data[bios->offset + 0x94]);
- if (!perf) {
- NV_DEBUG(dev, "perf table pointer invalid\n");
- return;
- }
-
- version = perf[1];
- headerlen = perf[0];
- recordlen = perf[3];
- entries = perf[2];
- }
-
- if (entries > NOUVEAU_PM_MAX_LEVEL) {
- NV_DEBUG(dev, "perf table has too many entries - buggy vbios?\n");
- entries = NOUVEAU_PM_MAX_LEVEL;
- }
-
- entry = perf + headerlen;
-
- /* For version 0x15, initialize memtiming table */
- if(version == 0x15) {
- memtimings->timing =
- kcalloc(entries, sizeof(*memtimings->timing), GFP_KERNEL);
- if (!memtimings->timing) {
- NV_WARN(dev,"Could not allocate memtiming table\n");
- return;
- }
-
- mt_hdr.entry_cnt = entries;
- mt_hdr.entry_len = 14;
- mt_hdr.version = version;
- mt_hdr.header_len = 4;
- }
-
- for (i = 0; i < entries; i++) {
- struct nouveau_pm_level *perflvl = &pm->perflvl[pm->nr_perflvl];
-
- perflvl->timing = NULL;
-
- if (entry[0] == 0xff) {
- entry += recordlen;
- continue;
- }
-
- switch (version) {
- case 0x12:
- case 0x13:
- case 0x15:
- perflvl->fanspeed = entry[55];
- if (recordlen > 56)
- perflvl->volt_min = entry[56];
- perflvl->core = ROM32(entry[1]) * 10;
- perflvl->memory = ROM32(entry[5]) * 20;
- break;
- case 0x21:
- case 0x23:
- case 0x24:
- perflvl->fanspeed = entry[4];
- perflvl->volt_min = entry[5];
- perflvl->shader = ROM16(entry[6]) * 1000;
- perflvl->core = perflvl->shader;
- perflvl->core += (signed char)entry[8] * 1000;
- if (dev_priv->chipset == 0x49 ||
- dev_priv->chipset == 0x4b)
- perflvl->memory = ROM16(entry[11]) * 1000;
- else
- perflvl->memory = ROM16(entry[11]) * 2000;
- break;
- case 0x25:
- perflvl->fanspeed = entry[4];
- perflvl->volt_min = entry[5];
- perflvl->core = ROM16(entry[6]) * 1000;
- perflvl->shader = ROM16(entry[10]) * 1000;
- perflvl->memory = ROM16(entry[12]) * 1000;
- break;
- case 0x30:
- perflvl->memscript = ROM16(entry[2]);
- case 0x35:
- perflvl->fanspeed = entry[6];
- perflvl->volt_min = entry[7];
- perflvl->core = ROM16(entry[8]) * 1000;
- perflvl->shader = ROM16(entry[10]) * 1000;
- perflvl->memory = ROM16(entry[12]) * 1000;
- perflvl->vdec = ROM16(entry[16]) * 1000;
- perflvl->dom6 = ROM16(entry[20]) * 1000;
- break;
- case 0x40:
-#define subent(n) (ROM16(entry[perf[2] + ((n) * perf[3])]) & 0xfff) * 1000
- perflvl->fanspeed = 0; /*XXX*/
- perflvl->volt_min = entry[2];
- if (dev_priv->card_type == NV_50) {
- perflvl->core = subent(0);
- perflvl->shader = subent(1);
- perflvl->memory = subent(2);
- perflvl->vdec = subent(3);
- perflvl->unka0 = subent(4);
- } else {
- perflvl->hub06 = subent(0);
- perflvl->hub01 = subent(1);
- perflvl->copy = subent(2);
- perflvl->shader = subent(3);
- perflvl->rop = subent(4);
- perflvl->memory = subent(5);
- perflvl->vdec = subent(6);
- perflvl->daemon = subent(10);
- perflvl->hub07 = subent(11);
- perflvl->core = perflvl->shader / 2;
- }
- break;
- }
-
- /* make sure vid is valid */
- nouveau_perf_voltage(dev, &P, perflvl);
- if (pm->voltage.supported && perflvl->volt_min) {
- vid = nouveau_volt_vid_lookup(dev, perflvl->volt_min);
- if (vid < 0) {
- NV_DEBUG(dev, "drop perflvl %d, bad vid\n", i);
- entry += recordlen;
- continue;
- }
- }
-
- /* get the corresponding memory timings */
- if (version == 0x15) {
- memtimings->timing[i].id = i;
- nv30_mem_timing_entry(dev,&mt_hdr,(struct nouveau_pm_tbl_entry*) &entry[41],0,&memtimings->timing[i]);
- perflvl->timing = &memtimings->timing[i];
- } else if (version > 0x15) {
- /* last 3 args are for < 0x40, ignored for >= 0x40 */
- perflvl->timing =
- nouveau_perf_timing(dev, &P,
- perflvl->memory / 1000,
- entry + perf[3],
- perf[5], perf[4]);
- }
-
- snprintf(perflvl->name, sizeof(perflvl->name),
- "performance_level_%d", i);
- perflvl->id = i;
- pm->nr_perflvl++;
-
- entry += recordlen;
- }
-}
-
-void
-nouveau_perf_fini(struct drm_device *dev)
-{
-}
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