#include "nouveau_drv.h"
#include "nouveau_pm.h"
+static u8 *
+nouveau_perf_table(struct drm_device *dev, u8 *ver)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nvbios *bios = &dev_priv->vbios;
+ struct bit_entry P;
+
+ if (!bit_table(dev, 'P', &P) && P.version && P.version <= 2) {
+ u8 *perf = ROMPTR(dev, P.data[0]);
+ if (perf) {
+ *ver = perf[0];
+ return perf;
+ }
+ }
+
+ if (bios->type == NVBIOS_BMP) {
+ if (bios->data[bios->offset + 6] >= 0x25) {
+ u8 *perf = ROMPTR(dev, bios->data[bios->offset + 0x94]);
+ if (perf) {
+ *ver = perf[1];
+ return perf;
+ }
+ }
+ }
+
+ return NULL;
+}
+
+static u8 *
+nouveau_perf_entry(struct drm_device *dev, int idx,
+ u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
+{
+ u8 *perf = nouveau_perf_table(dev, ver);
+ if (perf) {
+ if (*ver >= 0x12 && *ver < 0x20 && idx < perf[2]) {
+ *hdr = perf[3];
+ *cnt = 0;
+ *len = 0;
+ return perf + perf[0] + idx * perf[3];
+ } else
+ if (*ver >= 0x20 && *ver < 0x40 && idx < perf[2]) {
+ *hdr = perf[3];
+ *cnt = perf[4];
+ *len = perf[5];
+ return perf + perf[1] + idx * (*hdr + (*cnt * *len));
+ } else
+ if (*ver >= 0x40 && *ver < 0x41 && idx < perf[5]) {
+ *hdr = perf[2];
+ *cnt = perf[4];
+ *len = perf[3];
+ return perf + perf[1] + idx * (*hdr + (*cnt * *len));
+ }
+ }
+ return NULL;
+}
+
+static u8 *
+nouveau_perf_rammap(struct drm_device *dev, u32 freq,
+ u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct bit_entry P;
+ u8 *perf, i;
+
+ if (!bit_table(dev, 'P', &P) && P.version == 2) {
+ u8 *rammap = ROMPTR(dev, P.data[4]);
+ if (rammap) {
+ u8 *ramcfg = rammap + rammap[1];
+
+ *ver = rammap[0];
+ *hdr = rammap[2];
+ *cnt = rammap[4];
+ *len = rammap[3];
+
+ freq /= 1000;
+ for (i = 0; i < rammap[5]; i++) {
+ if (freq >= ROM16(ramcfg[0]) &&
+ freq <= ROM16(ramcfg[2]))
+ return ramcfg;
+
+ ramcfg += *hdr + (*cnt * *len);
+ }
+ }
+
+ return NULL;
+ }
+
+ if (dev_priv->chipset == 0x49 ||
+ dev_priv->chipset == 0x4b)
+ freq /= 2;
+
+ while ((perf = nouveau_perf_entry(dev, i++, ver, hdr, cnt, len))) {
+ if (*ver >= 0x20 && *ver < 0x25) {
+ if (perf[0] != 0xff && freq <= ROM16(perf[11]) * 1000)
+ break;
+ } else
+ if (*ver >= 0x25 && *ver < 0x40) {
+ if (perf[0] != 0xff && freq <= ROM16(perf[12]) * 1000)
+ break;
+ }
+ }
+
+ if (perf) {
+ u8 *ramcfg = perf + *hdr;
+ *ver = 0x00;
+ *hdr = 0;
+ return ramcfg;
+ }
+
+ return NULL;
+}
+
+static u8 *
+nouveau_perf_ramcfg(struct drm_device *dev, u32 freq, u8 *ver, u8 *len)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nvbios *bios = &dev_priv->vbios;
+ u8 strap, hdr, cnt;
+ u8 *rammap;
+
+ strap = (nv_rd32(dev, 0x101000) & 0x0000003c) >> 2;
+ if (bios->ram_restrict_tbl_ptr)
+ strap = bios->data[bios->ram_restrict_tbl_ptr + strap];
+
+ rammap = nouveau_perf_rammap(dev, freq, ver, &hdr, &cnt, len);
+ if (rammap && strap < cnt)
+ return rammap + hdr + (strap * *len);
+
+ return NULL;
+}
+
+static u8 *
+nouveau_perf_timing(struct drm_device *dev, u32 freq, u8 *ver, u8 *len)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nvbios *bios = &dev_priv->vbios;
+ struct bit_entry P;
+ u8 *perf, *timing = NULL;
+ u8 i = 0, hdr, cnt;
+
+ if (bios->type == NVBIOS_BMP) {
+ while ((perf = nouveau_perf_entry(dev, i++, ver, &hdr, &cnt,
+ len)) && *ver == 0x15) {
+ if (freq <= ROM32(perf[5]) * 20) {
+ *ver = 0x00;
+ *len = 14;
+ return perf + 41;
+ }
+ }
+ return NULL;
+ }
+
+ if (!bit_table(dev, 'P', &P)) {
+ if (P.version == 1)
+ timing = ROMPTR(dev, P.data[4]);
+ else
+ if (P.version == 2)
+ timing = ROMPTR(dev, P.data[8]);
+ }
+
+ if (timing && timing[0] == 0x10) {
+ u8 *ramcfg = nouveau_perf_ramcfg(dev, freq, ver, len);
+ if (ramcfg && ramcfg[1] < timing[2]) {
+ *ver = timing[0];
+ *len = timing[3];
+ return timing + timing[1] + (ramcfg[1] * timing[3]);
+ }
+ }
+
+ return NULL;
+}
+
static void
legacy_perf_init(struct drm_device *dev)
{
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)
+nouveau_perf_voltage(struct drm_device *dev, struct nouveau_pm_level *perflvl)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct bit_entry P;
u8 *vmap;
int id;
/* 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) {
+ if (bit_table(dev, 'P', &P) || P.version != 2 || P.length < 34) {
NV_DEBUG(dev, "where's our volt map table ptr? %d %d\n",
- P->version, P->length);
+ P.version, P.length);
return;
}
- vmap = ROMPTR(dev, P->data[32]);
+ vmap = ROMPTR(dev, P.data[32]);
if (!vmap) {
NV_DEBUG(dev, "volt map table pointer invalid\n");
return;
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->fan.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;
- }
+ u8 *perf, ver, hdr, cnt, len;
+ int vid, i = -1;
- 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;
+ if (bios->type == NVBIOS_BMP && bios->data[bios->offset + 6] < 0x25) {
+ legacy_perf_init(dev);
+ return;
}
- for (i = 0; i < entries; i++) {
+ while ((perf = nouveau_perf_entry(dev, ++i, &ver, &hdr, &cnt, &len))) {
struct nouveau_pm_level *perflvl = &pm->perflvl[pm->nr_perflvl];
- perflvl->timing = NULL;
-
- if (entry[0] == 0xff) {
- entry += recordlen;
+ if (perf[0] == 0xff)
continue;
- }
- switch (version) {
+ switch (ver) {
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;
+ perflvl->fanspeed = perf[55];
+ if (hdr > 56)
+ perflvl->volt_min = perf[56];
+ perflvl->core = ROM32(perf[1]) * 10;
+ perflvl->memory = ROM32(perf[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->fanspeed = perf[4];
+ perflvl->volt_min = perf[5];
+ perflvl->shader = ROM16(perf[6]) * 1000;
perflvl->core = perflvl->shader;
- perflvl->core += (signed char)entry[8] * 1000;
+ perflvl->core += (signed char)perf[8] * 1000;
if (dev_priv->chipset == 0x49 ||
dev_priv->chipset == 0x4b)
- perflvl->memory = ROM16(entry[11]) * 1000;
+ perflvl->memory = ROM16(perf[11]) * 1000;
else
- perflvl->memory = ROM16(entry[11]) * 2000;
+ perflvl->memory = ROM16(perf[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;
+ perflvl->fanspeed = perf[4];
+ perflvl->volt_min = perf[5];
+ perflvl->core = ROM16(perf[6]) * 1000;
+ perflvl->shader = ROM16(perf[10]) * 1000;
+ perflvl->memory = ROM16(perf[12]) * 1000;
break;
case 0x30:
- perflvl->memscript = ROM16(entry[2]);
+ perflvl->memscript = ROM16(perf[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;
+ perflvl->fanspeed = perf[6];
+ perflvl->volt_min = perf[7];
+ perflvl->core = ROM16(perf[8]) * 1000;
+ perflvl->shader = ROM16(perf[10]) * 1000;
+ perflvl->memory = ROM16(perf[12]) * 1000;
+ perflvl->vdec = ROM16(perf[16]) * 1000;
+ perflvl->dom6 = ROM16(perf[20]) * 1000;
break;
case 0x40:
-#define subent(n) ((ROM16(entry[perf[2] + ((n) * perf[3])]) & 0xfff) * 1000)
+#define subent(n) ((ROM16(perf[hdr + (n) * len]) & 0xfff) * 1000)
perflvl->fanspeed = 0; /*XXX*/
- perflvl->volt_min = entry[2];
+ perflvl->volt_min = perf[2];
if (dev_priv->card_type == NV_50) {
perflvl->core = subent(0);
perflvl->shader = subent(1);
}
/* make sure vid is valid */
- nouveau_perf_voltage(dev, &P, perflvl);
+ nouveau_perf_voltage(dev, 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;
+ NV_DEBUG(dev, "perflvl %d, bad vid\n", i);
continue;
}
}
/* get the corresponding memory timings */
+#if 0
if (version == 0x15) {
memtimings->timing[i].id = i;
nv30_mem_timing_entry(dev, &mt_hdr,
entry + perf[3],
perf[5], perf[4]);
}
+#else
+ perflvl->timing = NULL;
+#endif
snprintf(perflvl->name, sizeof(perflvl->name),
"performance_level_%d", i);
perflvl->id = i;
pm->nr_perflvl++;
-
- entry += recordlen;
}
}
projects / linux-platform-drivers-x86.git / commitdiff