* DEALINGS IN THE SOFTWARE.
*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Ben Skeggs <bskeggs@redhat.com>
+ * Roy Spliet <r.spliet@student.tudelft.nl>
*/
}
}
-static uint32_t
-nouveau_mem_detect_nv04(struct drm_device *dev)
-{
- uint32_t boot0 = nv_rd32(dev, NV04_PFB_BOOT_0);
-
- if (boot0 & 0x00000100)
- return (((boot0 >> 12) & 0xf) * 2 + 2) * 1024 * 1024;
-
- switch (boot0 & NV04_PFB_BOOT_0_RAM_AMOUNT) {
- case NV04_PFB_BOOT_0_RAM_AMOUNT_32MB:
- return 32 * 1024 * 1024;
- case NV04_PFB_BOOT_0_RAM_AMOUNT_16MB:
- return 16 * 1024 * 1024;
- case NV04_PFB_BOOT_0_RAM_AMOUNT_8MB:
- return 8 * 1024 * 1024;
- case NV04_PFB_BOOT_0_RAM_AMOUNT_4MB:
- return 4 * 1024 * 1024;
- }
-
- return 0;
-}
-
-static uint32_t
-nouveau_mem_detect_nforce(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct pci_dev *bridge;
- uint32_t mem;
-
- bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 1));
- if (!bridge) {
- NV_ERROR(dev, "no bridge device\n");
- return 0;
- }
-
- if (dev_priv->flags & NV_NFORCE) {
- pci_read_config_dword(bridge, 0x7C, &mem);
- return (uint64_t)(((mem >> 6) & 31) + 1)*1024*1024;
- } else
- if (dev_priv->flags & NV_NFORCE2) {
- pci_read_config_dword(bridge, 0x84, &mem);
- return (uint64_t)(((mem >> 4) & 127) + 1)*1024*1024;
- }
-
- NV_ERROR(dev, "impossible!\n");
- return 0;
-}
-
-int
-nouveau_mem_detect(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
-
- if (dev_priv->card_type == NV_04) {
- dev_priv->vram_size = nouveau_mem_detect_nv04(dev);
- } else
- if (dev_priv->flags & (NV_NFORCE | NV_NFORCE2)) {
- dev_priv->vram_size = nouveau_mem_detect_nforce(dev);
- } else
- if (dev_priv->card_type < NV_50) {
- dev_priv->vram_size = nv_rd32(dev, NV04_PFB_FIFO_DATA);
- dev_priv->vram_size &= NV10_PFB_FIFO_DATA_RAM_AMOUNT_MB_MASK;
- }
-
- if (dev_priv->vram_size)
- return 0;
- return -ENOMEM;
-}
-
bool
nouveau_mem_flags_valid(struct drm_device *dev, u32 tile_flags)
{
return 0;
}
+static const struct vram_types {
+ int value;
+ const char *name;
+} vram_type_map[] = {
+ { NV_MEM_TYPE_STOLEN , "stolen system memory" },
+ { NV_MEM_TYPE_SGRAM , "SGRAM" },
+ { NV_MEM_TYPE_SDRAM , "SDRAM" },
+ { NV_MEM_TYPE_DDR1 , "DDR1" },
+ { NV_MEM_TYPE_DDR2 , "DDR2" },
+ { NV_MEM_TYPE_DDR3 , "DDR3" },
+ { NV_MEM_TYPE_GDDR2 , "GDDR2" },
+ { NV_MEM_TYPE_GDDR3 , "GDDR3" },
+ { NV_MEM_TYPE_GDDR4 , "GDDR4" },
+ { NV_MEM_TYPE_GDDR5 , "GDDR5" },
+ { NV_MEM_TYPE_UNKNOWN, "unknown type" }
+};
+
int
nouveau_mem_vram_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct ttm_bo_device *bdev = &dev_priv->ttm.bdev;
+ const struct vram_types *vram_type;
int ret, dma_bits;
dma_bits = 32;
return ret;
}
- NV_INFO(dev, "Detected %dMiB VRAM\n", (int)(dev_priv->vram_size >> 20));
+ vram_type = vram_type_map;
+ while (vram_type->value != NV_MEM_TYPE_UNKNOWN) {
+ if (nouveau_vram_type) {
+ if (!strcasecmp(nouveau_vram_type, vram_type->name))
+ break;
+ dev_priv->vram_type = vram_type->value;
+ } else {
+ if (vram_type->value == dev_priv->vram_type)
+ break;
+ }
+ vram_type++;
+ }
+
+ NV_INFO(dev, "Detected %dMiB VRAM (%s)\n",
+ (int)(dev_priv->vram_size >> 20), vram_type->name);
if (dev_priv->vram_sys_base) {
NV_INFO(dev, "Stolen system memory at: 0x%010llx\n",
dev_priv->vram_sys_base);
return 0;
}
-/* XXX: For now a dummy. More samples required, possibly even a card
- * Called from nouveau_perf.c */
-void nv30_mem_timing_entry(struct drm_device *dev, struct nouveau_pm_tbl_header *hdr,
- struct nouveau_pm_tbl_entry *e, uint8_t magic_number,
- struct nouveau_pm_memtiming *timing) {
-
- NV_DEBUG(dev,"Timing entry format unknown, please contact nouveau developers");
-}
-
-void nv40_mem_timing_entry(struct drm_device *dev, struct nouveau_pm_tbl_header *hdr,
- struct nouveau_pm_tbl_entry *e, uint8_t magic_number,
- struct nouveau_pm_memtiming *timing) {
-
- timing->reg_0 = (e->tRC << 24 | e->tRFC << 16 | e->tRAS << 8 | e->tRP);
+static int
+nv40_mem_timing_calc(struct drm_device *dev, u32 freq,
+ struct nouveau_pm_tbl_entry *e, u8 len,
+ struct nouveau_pm_memtiming *boot,
+ struct nouveau_pm_memtiming *t)
+{
+ t->reg[0] = (e->tRP << 24 | e->tRAS << 16 | e->tRFC << 8 | e->tRC);
/* XXX: I don't trust the -1's and +1's... they must come
* from somewhere! */
- timing->reg_1 = (e->tWR + 2 + magic_number) << 24 |
- 1 << 16 |
- (e->tUNK_1 + 2 + magic_number) << 8 |
- (e->tCL + 2 - magic_number);
- timing->reg_2 = (magic_number << 24 | e->tUNK_12 << 16 | e->tUNK_11 << 8 | e->tUNK_10);
- timing->reg_2 |= 0x20200000;
-
- NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x\n", timing->id,
- timing->reg_0, timing->reg_1,timing->reg_2);
+ t->reg[1] = (e->tWR + 2 + (t->tCWL - 1)) << 24 |
+ 1 << 16 |
+ (e->tWTR + 2 + (t->tCWL - 1)) << 8 |
+ (e->tCL + 2 - (t->tCWL - 1));
+
+ t->reg[2] = 0x20200000 |
+ ((t->tCWL - 1) << 24 |
+ e->tRRD << 16 |
+ e->tRCDWR << 8 |
+ e->tRCDRD);
+
+ NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x\n", t->id,
+ t->reg[0], t->reg[1], t->reg[2]);
+ return 0;
}
-void nv50_mem_timing_entry(struct drm_device *dev, struct bit_entry *P, struct nouveau_pm_tbl_header *hdr,
- struct nouveau_pm_tbl_entry *e, uint8_t magic_number,struct nouveau_pm_memtiming *timing) {
+static int
+nv50_mem_timing_calc(struct drm_device *dev, u32 freq,
+ struct nouveau_pm_tbl_entry *e, u8 len,
+ struct nouveau_pm_memtiming *boot,
+ struct nouveau_pm_memtiming *t)
+{
struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct bit_entry P;
+ uint8_t unk18 = 1, unk20 = 0, unk21 = 0, tmp7_3;
- uint8_t unk18 = 1,
- unk19 = 1,
- unk20 = 0,
- unk21 = 0;
+ if (bit_table(dev, 'P', &P))
+ return -EINVAL;
- switch (min(hdr->entry_len, (u8) 22)) {
+ switch (min(len, (u8) 22)) {
case 22:
unk21 = e->tUNK_21;
case 21:
unk20 = e->tUNK_20;
case 20:
- unk19 = e->tUNK_19;
+ if (e->tCWL > 0)
+ t->tCWL = e->tCWL;
case 19:
unk18 = e->tUNK_18;
break;
}
- timing->reg_0 = (e->tRC << 24 | e->tRFC << 16 | e->tRAS << 8 | e->tRP);
+ t->reg[0] = (e->tRP << 24 | e->tRAS << 16 | e->tRFC << 8 | e->tRC);
- /* XXX: I don't trust the -1's and +1's... they must come
- * from somewhere! */
- timing->reg_1 = (e->tWR + unk19 + 1 + magic_number) << 24 |
- max(unk18, (u8) 1) << 16 |
- (e->tUNK_1 + unk19 + 1 + magic_number) << 8;
- if (dev_priv->chipset == 0xa8) {
- timing->reg_1 |= (e->tCL - 1);
- } else {
- timing->reg_1 |= (e->tCL + 2 - magic_number);
- }
- timing->reg_2 = (e->tUNK_12 << 16 | e->tUNK_11 << 8 | e->tUNK_10);
-
- timing->reg_5 = (e->tRAS << 24 | e->tRC);
- timing->reg_5 += max(e->tUNK_10, e->tUNK_11) << 16;
-
- if (P->version == 1) {
- timing->reg_2 |= magic_number << 24;
- timing->reg_3 = (0x14 + e->tCL) << 24 |
- 0x16 << 16 |
- (e->tCL - 1) << 8 |
- (e->tCL - 1);
- timing->reg_4 = (nv_rd32(dev,0x10022c) & 0xffff0000) | e->tUNK_13 << 8 | e->tUNK_13;
- timing->reg_5 |= (e->tCL + 2) << 8;
- timing->reg_7 = 0x4000202 | (e->tCL - 1) << 16;
+ t->reg[1] = (e->tWR + 2 + (t->tCWL - 1)) << 24 |
+ max(unk18, (u8) 1) << 16 |
+ (e->tWTR + 2 + (t->tCWL - 1)) << 8;
+
+ t->reg[2] = ((t->tCWL - 1) << 24 |
+ e->tRRD << 16 |
+ e->tRCDWR << 8 |
+ e->tRCDRD);
+
+ t->reg[4] = e->tUNK_13 << 8 | e->tUNK_13;
+
+ t->reg[5] = (e->tRFC << 24 | max(e->tRCDRD, e->tRCDWR) << 16 | e->tRP);
+
+ t->reg[8] = boot->reg[8] & 0xffffff00;
+
+ if (P.version == 1) {
+ t->reg[1] |= (e->tCL + 2 - (t->tCWL - 1));
+
+ t->reg[3] = (0x14 + e->tCL) << 24 |
+ 0x16 << 16 |
+ (e->tCL - 1) << 8 |
+ (e->tCL - 1);
+
+ t->reg[4] |= boot->reg[4] & 0xffff0000;
+
+ t->reg[6] = (0x33 - t->tCWL) << 16 |
+ t->tCWL << 8 |
+ (0x2e + e->tCL - t->tCWL);
+
+ t->reg[7] = 0x4000202 | (e->tCL - 1) << 16;
+
+ /* XXX: P.version == 1 only has DDR2 and GDDR3? */
+ if (dev_priv->vram_type == NV_MEM_TYPE_DDR2) {
+ t->reg[5] |= (e->tCL + 3) << 8;
+ t->reg[6] |= (t->tCWL - 2) << 8;
+ t->reg[8] |= (e->tCL - 4);
+ } else {
+ t->reg[5] |= (e->tCL + 2) << 8;
+ t->reg[6] |= t->tCWL << 8;
+ t->reg[8] |= (e->tCL - 2);
+ }
} else {
- timing->reg_2 |= (unk19 - 1) << 24;
- /* XXX: reg_10022c for recentish cards pretty much unknown*/
- timing->reg_3 = e->tCL - 1;
- timing->reg_4 = (unk20 << 24 | unk21 << 16 |
- e->tUNK_13 << 8 | e->tUNK_13);
+ t->reg[1] |= (5 + e->tCL - (t->tCWL));
+
+ /* XXX: 0xb? 0x30? */
+ t->reg[3] = (0x30 + e->tCL) << 24 |
+ (boot->reg[3] & 0x00ff0000)|
+ (0xb + e->tCL) << 8 |
+ (e->tCL - 1);
+
+ t->reg[4] |= (unk20 << 24 | unk21 << 16);
+
/* XXX: +6? */
- timing->reg_5 |= (unk19 + 6) << 8;
+ t->reg[5] |= (t->tCWL + 6) << 8;
- /* XXX: reg_10023c currently unknown
- * 10023c seen as 06xxxxxx, 0bxxxxxx or 0fxxxxxx */
- timing->reg_7 = 0x202;
+ t->reg[6] = (0x5a + e->tCL) << 16 |
+ (6 - e->tCL + t->tCWL) << 8 |
+ (0x50 + e->tCL - t->tCWL);
+
+ tmp7_3 = (boot->reg[7] & 0xff000000) >> 24;
+ t->reg[7] = (tmp7_3 << 24) |
+ ((tmp7_3 - 6 + e->tCL) << 16) |
+ 0x202;
}
- NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x %08x\n", timing->id,
- timing->reg_0, timing->reg_1,
- timing->reg_2, timing->reg_3);
+ NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x %08x\n", t->id,
+ t->reg[0], t->reg[1], t->reg[2], t->reg[3]);
NV_DEBUG(dev, " 230: %08x %08x %08x %08x\n",
- timing->reg_4, timing->reg_5,
- timing->reg_6, timing->reg_7);
- NV_DEBUG(dev, " 240: %08x\n", timing->reg_8);
-}
-
-void nvc0_mem_timing_entry(struct drm_device *dev, struct nouveau_pm_tbl_header *hdr,
- struct nouveau_pm_tbl_entry *e, struct nouveau_pm_memtiming *timing) {
- timing->reg_0 = (e->tRC << 24 | (e->tRFC & 0x7f) << 17 | e->tRAS << 8 | e->tRP);
- timing->reg_1 = (nv_rd32(dev,0x10f294) & 0xff000000) | (e->tUNK_11&0x0f) << 20 | (e->tUNK_19 << 7) | (e->tCL & 0x0f);
- timing->reg_2 = (nv_rd32(dev,0x10f298) & 0xff0000ff) | e->tWR << 16 | e->tUNK_1 << 8;
- timing->reg_3 = e->tUNK_20 << 9 | e->tUNK_13;
- timing->reg_4 = (nv_rd32(dev,0x10f2a0) & 0xfff000ff) | e->tUNK_12 << 15;
- NV_DEBUG(dev, "Entry %d: 290: %08x %08x %08x %08x\n", timing->id,
- timing->reg_0, timing->reg_1,
- timing->reg_2, timing->reg_3);
- NV_DEBUG(dev, " 2a0: %08x %08x %08x %08x\n",
- timing->reg_4, timing->reg_5,
- timing->reg_6, timing->reg_7);
+ t->reg[4], t->reg[5], t->reg[6], t->reg[7]);
+ NV_DEBUG(dev, " 240: %08x\n", t->reg[8]);
+ return 0;
+}
+
+static int
+nvc0_mem_timing_calc(struct drm_device *dev, u32 freq,
+ struct nouveau_pm_tbl_entry *e, u8 len,
+ struct nouveau_pm_memtiming *boot,
+ struct nouveau_pm_memtiming *t)
+{
+ if (e->tCWL > 0)
+ t->tCWL = e->tCWL;
+
+ t->reg[0] = (e->tRP << 24 | (e->tRAS & 0x7f) << 17 |
+ e->tRFC << 8 | e->tRC);
+
+ t->reg[1] = (boot->reg[1] & 0xff000000) |
+ (e->tRCDWR & 0x0f) << 20 |
+ (e->tRCDRD & 0x0f) << 14 |
+ (t->tCWL << 7) |
+ (e->tCL & 0x0f);
+
+ t->reg[2] = (boot->reg[2] & 0xff0000ff) |
+ e->tWR << 16 | e->tWTR << 8;
+
+ t->reg[3] = (e->tUNK_20 & 0x1f) << 9 |
+ (e->tUNK_21 & 0xf) << 5 |
+ (e->tUNK_13 & 0x1f);
+
+ t->reg[4] = (boot->reg[4] & 0xfff00fff) |
+ (e->tRRD&0x1f) << 15;
+
+ NV_DEBUG(dev, "Entry %d: 290: %08x %08x %08x %08x\n", t->id,
+ t->reg[0], t->reg[1], t->reg[2], t->reg[3]);
+ NV_DEBUG(dev, " 2a0: %08x\n", t->reg[4]);
+ return 0;
}
/**
- * Processes the Memory Timing BIOS table, stores generated
- * register values
- * @pre init scripts were run, memtiming regs are initialized
+ * MR generation methods
*/
-void
-nouveau_mem_timing_init(struct drm_device *dev)
+
+static int
+nouveau_mem_ddr2_mr(struct drm_device *dev, u32 freq,
+ struct nouveau_pm_tbl_entry *e, u8 len,
+ struct nouveau_pm_memtiming *boot,
+ struct nouveau_pm_memtiming *t)
+{
+ t->drive_strength = 0;
+ if (len < 15) {
+ t->odt = boot->odt;
+ } else {
+ t->odt = e->RAM_FT1 & 0x07;
+ }
+
+ if (e->tCL >= NV_MEM_CL_DDR2_MAX) {
+ NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL);
+ return -ERANGE;
+ }
+
+ if (e->tWR >= NV_MEM_WR_DDR2_MAX) {
+ NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR);
+ return -ERANGE;
+ }
+
+ if (t->odt > 3) {
+ NV_WARN(dev, "(%u) Invalid odt value, assuming disabled: %x",
+ t->id, t->odt);
+ t->odt = 0;
+ }
+
+ t->mr[0] = (boot->mr[0] & 0x100f) |
+ (e->tCL) << 4 |
+ (e->tWR - 1) << 9;
+ t->mr[1] = (boot->mr[1] & 0x101fbb) |
+ (t->odt & 0x1) << 2 |
+ (t->odt & 0x2) << 5;
+
+ NV_DEBUG(dev, "(%u) MR: %08x", t->id, t->mr[0]);
+ return 0;
+}
+
+uint8_t nv_mem_wr_lut_ddr3[NV_MEM_WR_DDR3_MAX] = {
+ 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 5, 6, 6, 7, 7, 0, 0};
+
+static int
+nouveau_mem_ddr3_mr(struct drm_device *dev, u32 freq,
+ struct nouveau_pm_tbl_entry *e, u8 len,
+ struct nouveau_pm_memtiming *boot,
+ struct nouveau_pm_memtiming *t)
+{
+ u8 cl = e->tCL - 4;
+
+ t->drive_strength = 0;
+ if (len < 15) {
+ t->odt = boot->odt;
+ } else {
+ t->odt = e->RAM_FT1 & 0x07;
+ }
+
+ if (e->tCL >= NV_MEM_CL_DDR3_MAX || e->tCL < 4) {
+ NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL);
+ return -ERANGE;
+ }
+
+ if (e->tWR >= NV_MEM_WR_DDR3_MAX || e->tWR < 4) {
+ NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR);
+ return -ERANGE;
+ }
+
+ if (e->tCWL < 5) {
+ NV_WARN(dev, "(%u) Invalid tCWL: %u", t->id, e->tCWL);
+ return -ERANGE;
+ }
+
+ t->mr[0] = (boot->mr[0] & 0x180b) |
+ /* CAS */
+ (cl & 0x7) << 4 |
+ (cl & 0x8) >> 1 |
+ (nv_mem_wr_lut_ddr3[e->tWR]) << 9;
+ t->mr[1] = (boot->mr[1] & 0x101dbb) |
+ (t->odt & 0x1) << 2 |
+ (t->odt & 0x2) << 5 |
+ (t->odt & 0x4) << 7;
+ t->mr[2] = (boot->mr[2] & 0x20ffb7) | (e->tCWL - 5) << 3;
+
+ NV_DEBUG(dev, "(%u) MR: %08x %08x", t->id, t->mr[0], t->mr[2]);
+ return 0;
+}
+
+uint8_t nv_mem_cl_lut_gddr3[NV_MEM_CL_GDDR3_MAX] = {
+ 0, 0, 0, 0, 4, 5, 6, 7, 0, 1, 2, 3, 8, 9, 10, 11};
+uint8_t nv_mem_wr_lut_gddr3[NV_MEM_WR_GDDR3_MAX] = {
+ 0, 0, 0, 0, 0, 2, 3, 8, 9, 10, 11, 0, 0, 1, 1, 0, 3};
+
+static int
+nouveau_mem_gddr3_mr(struct drm_device *dev, u32 freq,
+ struct nouveau_pm_tbl_entry *e, u8 len,
+ struct nouveau_pm_memtiming *boot,
+ struct nouveau_pm_memtiming *t)
+{
+ if (len < 15) {
+ t->drive_strength = boot->drive_strength;
+ t->odt = boot->odt;
+ } else {
+ t->drive_strength = (e->RAM_FT1 & 0x30) >> 4;
+ t->odt = e->RAM_FT1 & 0x07;
+ }
+
+ if (e->tCL >= NV_MEM_CL_GDDR3_MAX) {
+ NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL);
+ return -ERANGE;
+ }
+
+ if (e->tWR >= NV_MEM_WR_GDDR3_MAX) {
+ NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR);
+ return -ERANGE;
+ }
+
+ if (t->odt > 3) {
+ NV_WARN(dev, "(%u) Invalid odt value, assuming autocal: %x",
+ t->id, t->odt);
+ t->odt = 0;
+ }
+
+ t->mr[0] = (boot->mr[0] & 0xe0b) |
+ /* CAS */
+ ((nv_mem_cl_lut_gddr3[e->tCL] & 0x7) << 4) |
+ ((nv_mem_cl_lut_gddr3[e->tCL] & 0x8) >> 2);
+ t->mr[1] = (boot->mr[1] & 0x100f40) | t->drive_strength |
+ (t->odt << 2) |
+ (nv_mem_wr_lut_gddr3[e->tWR] & 0xf) << 4;
+ t->mr[2] = boot->mr[2];
+
+ NV_DEBUG(dev, "(%u) MR: %08x %08x %08x", t->id,
+ t->mr[0], t->mr[1], t->mr[2]);
+ return 0;
+}
+
+static int
+nouveau_mem_gddr5_mr(struct drm_device *dev, u32 freq,
+ struct nouveau_pm_tbl_entry *e, u8 len,
+ struct nouveau_pm_memtiming *boot,
+ struct nouveau_pm_memtiming *t)
+{
+ if (len < 15) {
+ t->drive_strength = boot->drive_strength;
+ t->odt = boot->odt;
+ } else {
+ t->drive_strength = (e->RAM_FT1 & 0x30) >> 4;
+ t->odt = e->RAM_FT1 & 0x03;
+ }
+
+ if (e->tCL >= NV_MEM_CL_GDDR5_MAX) {
+ NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL);
+ return -ERANGE;
+ }
+
+ if (e->tWR >= NV_MEM_WR_GDDR5_MAX) {
+ NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR);
+ return -ERANGE;
+ }
+
+ if (t->odt > 3) {
+ NV_WARN(dev, "(%u) Invalid odt value, assuming autocal: %x",
+ t->id, t->odt);
+ t->odt = 0;
+ }
+
+ t->mr[0] = (boot->mr[0] & 0x007) |
+ ((e->tCL - 5) << 3) |
+ ((e->tWR - 4) << 8);
+ t->mr[1] = (boot->mr[1] & 0x1007f0) |
+ t->drive_strength |
+ (t->odt << 2);
+
+ NV_DEBUG(dev, "(%u) MR: %08x %08x", t->id, t->mr[0], t->mr[1]);
+ return 0;
+}
+
+int
+nouveau_mem_timing_calc(struct drm_device *dev, u32 freq,
+ struct nouveau_pm_memtiming *t)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
- struct nouveau_pm_memtimings *memtimings = &pm->memtimings;
- struct nvbios *bios = &dev_priv->vbios;
- struct bit_entry P;
- struct nouveau_pm_tbl_header *hdr = NULL;
- uint8_t magic_number;
- u8 *entry;
- int i;
+ struct nouveau_pm_memtiming *boot = &pm->boot.timing;
+ struct nouveau_pm_tbl_entry *e;
+ u8 ver, len, *ptr, *ramcfg;
+ int ret;
+
+ ptr = nouveau_perf_timing(dev, freq, &ver, &len);
+ if (!ptr || ptr[0] == 0x00) {
+ *t = *boot;
+ return 0;
+ }
+ e = (struct nouveau_pm_tbl_entry *)ptr;
+
+ t->tCWL = boot->tCWL;
+
+ switch (dev_priv->card_type) {
+ case NV_40:
+ ret = nv40_mem_timing_calc(dev, freq, e, len, boot, t);
+ break;
+ case NV_50:
+ ret = nv50_mem_timing_calc(dev, freq, e, len, boot, t);
+ break;
+ case NV_C0:
+ ret = nvc0_mem_timing_calc(dev, freq, e, len, boot, t);
+ break;
+ default:
+ ret = -ENODEV;
+ break;
+ }
- if (bios->type == NVBIOS_BIT) {
- if (bit_table(dev, 'P', &P))
- return;
+ switch (dev_priv->vram_type * !ret) {
+ case NV_MEM_TYPE_GDDR3:
+ ret = nouveau_mem_gddr3_mr(dev, freq, e, len, boot, t);
+ break;
+ case NV_MEM_TYPE_GDDR5:
+ ret = nouveau_mem_gddr5_mr(dev, freq, e, len, boot, t);
+ break;
+ case NV_MEM_TYPE_DDR2:
+ ret = nouveau_mem_ddr2_mr(dev, freq, e, len, boot, t);
+ break;
+ case NV_MEM_TYPE_DDR3:
+ ret = nouveau_mem_ddr3_mr(dev, freq, e, len, boot, t);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ ramcfg = nouveau_perf_ramcfg(dev, freq, &ver, &len);
+ if (ramcfg) {
+ int dll_off;
- if (P.version == 1)
- hdr = (struct nouveau_pm_tbl_header *) ROMPTR(dev, P.data[4]);
+ if (ver == 0x00)
+ dll_off = !!(ramcfg[3] & 0x04);
else
- if (P.version == 2)
- hdr = (struct nouveau_pm_tbl_header *) ROMPTR(dev, P.data[8]);
- else {
- NV_WARN(dev, "unknown mem for BIT P %d\n", P.version);
+ dll_off = !!(ramcfg[2] & 0x40);
+
+ switch (dev_priv->vram_type) {
+ case NV_MEM_TYPE_GDDR3:
+ t->mr[1] &= ~0x00000040;
+ t->mr[1] |= 0x00000040 * dll_off;
+ break;
+ default:
+ t->mr[1] &= ~0x00000001;
+ t->mr[1] |= 0x00000001 * dll_off;
+ break;
}
+ }
+
+ return ret;
+}
+
+void
+nouveau_mem_timing_read(struct drm_device *dev, struct nouveau_pm_memtiming *t)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ u32 timing_base, timing_regs, mr_base;
+ int i;
+
+ if (dev_priv->card_type >= 0xC0) {
+ timing_base = 0x10f290;
+ mr_base = 0x10f300;
} else {
- NV_DEBUG(dev, "BMP version too old for memory\n");
- return;
+ timing_base = 0x100220;
+ mr_base = 0x1002c0;
}
- if (!hdr) {
- NV_DEBUG(dev, "memory timing table pointer invalid\n");
+ t->id = -1;
+
+ switch (dev_priv->card_type) {
+ case NV_50:
+ timing_regs = 9;
+ break;
+ case NV_C0:
+ case NV_D0:
+ timing_regs = 5;
+ break;
+ case NV_30:
+ case NV_40:
+ timing_regs = 3;
+ break;
+ default:
+ timing_regs = 0;
return;
}
+ for(i = 0; i < timing_regs; i++)
+ t->reg[i] = nv_rd32(dev, timing_base + (0x04 * i));
+
+ t->tCWL = 0;
+ if (dev_priv->card_type < NV_C0) {
+ t->tCWL = ((nv_rd32(dev, 0x100228) & 0x0f000000) >> 24) + 1;
+ } else if (dev_priv->card_type <= NV_D0) {
+ t->tCWL = ((nv_rd32(dev, 0x10f294) & 0x00000f80) >> 7);
+ }
- if (hdr->version != 0x10) {
- NV_WARN(dev, "memory timing table 0x%02x unknown\n", hdr->version);
- return;
+ t->mr[0] = nv_rd32(dev, mr_base);
+ t->mr[1] = nv_rd32(dev, mr_base + 0x04);
+ t->mr[2] = nv_rd32(dev, mr_base + 0x20);
+ t->mr[3] = nv_rd32(dev, mr_base + 0x24);
+
+ t->odt = 0;
+ t->drive_strength = 0;
+
+ switch (dev_priv->vram_type) {
+ case NV_MEM_TYPE_DDR3:
+ t->odt |= (t->mr[1] & 0x200) >> 7;
+ case NV_MEM_TYPE_DDR2:
+ t->odt |= (t->mr[1] & 0x04) >> 2 |
+ (t->mr[1] & 0x40) >> 5;
+ break;
+ case NV_MEM_TYPE_GDDR3:
+ case NV_MEM_TYPE_GDDR5:
+ t->drive_strength = t->mr[1] & 0x03;
+ t->odt = (t->mr[1] & 0x0c) >> 2;
+ break;
+ default:
+ break;
}
+}
- /* validate record length */
- if (hdr->entry_len < 15) {
- NV_ERROR(dev, "mem timing table length unknown: %d\n", hdr->entry_len);
- return;
+int
+nouveau_mem_exec(struct nouveau_mem_exec_func *exec,
+ struct nouveau_pm_level *perflvl)
+{
+ struct drm_nouveau_private *dev_priv = exec->dev->dev_private;
+ struct nouveau_pm_memtiming *info = &perflvl->timing;
+ u32 tMRD = 1000, tCKSRE = 0, tCKSRX = 0, tXS = 0, tDLLK = 0;
+ u32 mr[3] = { info->mr[0], info->mr[1], info->mr[2] };
+ u32 mr1_dlloff;
+
+ switch (dev_priv->vram_type) {
+ case NV_MEM_TYPE_DDR2:
+ tDLLK = 2000;
+ mr1_dlloff = 0x00000001;
+ break;
+ case NV_MEM_TYPE_DDR3:
+ tDLLK = 12000;
+ mr1_dlloff = 0x00000001;
+ break;
+ case NV_MEM_TYPE_GDDR3:
+ tDLLK = 40000;
+ mr1_dlloff = 0x00000040;
+ break;
+ default:
+ NV_ERROR(exec->dev, "cannot reclock unsupported memtype\n");
+ return -ENODEV;
}
- /* parse vbios entries into common format */
- memtimings->timing =
- kcalloc(hdr->entry_cnt, sizeof(*memtimings->timing), GFP_KERNEL);
- if (!memtimings->timing)
- return;
+ /* fetch current MRs */
+ switch (dev_priv->vram_type) {
+ case NV_MEM_TYPE_GDDR3:
+ case NV_MEM_TYPE_DDR3:
+ mr[2] = exec->mrg(exec, 2);
+ default:
+ mr[1] = exec->mrg(exec, 1);
+ mr[0] = exec->mrg(exec, 0);
+ break;
+ }
- /* Get "some number" from the timing reg for NV_40 and NV_50
- * Used in calculations later... source unknown */
- magic_number = 0;
- if (P.version == 1) {
- magic_number = (nv_rd32(dev, 0x100228) & 0x0f000000) >> 24;
+ /* DLL 'on' -> DLL 'off' mode, disable before entering self-refresh */
+ if (!(mr[1] & mr1_dlloff) && (info->mr[1] & mr1_dlloff)) {
+ exec->precharge(exec);
+ exec->mrs (exec, 1, mr[1] | mr1_dlloff);
+ exec->wait(exec, tMRD);
}
- entry = (u8*) hdr + hdr->header_len;
- for (i = 0; i < hdr->entry_cnt; i++, entry += hdr->entry_len) {
- struct nouveau_pm_memtiming *timing = &pm->memtimings.timing[i];
- if (entry[0] == 0)
- continue;
+ /* enter self-refresh mode */
+ exec->precharge(exec);
+ exec->refresh(exec);
+ exec->refresh(exec);
+ exec->refresh_auto(exec, false);
+ exec->refresh_self(exec, true);
+ exec->wait(exec, tCKSRE);
+
+ /* modify input clock frequency */
+ exec->clock_set(exec);
+
+ /* exit self-refresh mode */
+ exec->wait(exec, tCKSRX);
+ exec->precharge(exec);
+ exec->refresh_self(exec, false);
+ exec->refresh_auto(exec, true);
+ exec->wait(exec, tXS);
+
+ /* update MRs */
+ if (mr[2] != info->mr[2]) {
+ exec->mrs (exec, 2, info->mr[2]);
+ exec->wait(exec, tMRD);
+ }
+
+ if (mr[1] != info->mr[1]) {
+ /* need to keep DLL off until later, at least on GDDR3 */
+ exec->mrs (exec, 1, info->mr[1] | (mr[1] & mr1_dlloff));
+ exec->wait(exec, tMRD);
+ }
+
+ if (mr[0] != info->mr[0]) {
+ exec->mrs (exec, 0, info->mr[0]);
+ exec->wait(exec, tMRD);
+ }
- timing->id = i;
- timing->WR = entry[0];
- timing->CL = entry[2];
+ /* update PFB timing registers */
+ exec->timing_set(exec);
- if(dev_priv->card_type <= NV_40) {
- nv40_mem_timing_entry(dev,hdr,(struct nouveau_pm_tbl_entry*) entry,magic_number,&pm->memtimings.timing[i]);
- } else if(dev_priv->card_type == NV_50){
- nv50_mem_timing_entry(dev,&P,hdr,(struct nouveau_pm_tbl_entry*) entry,magic_number,&pm->memtimings.timing[i]);
- } else if(dev_priv->card_type == NV_C0) {
- nvc0_mem_timing_entry(dev,hdr,(struct nouveau_pm_tbl_entry*) entry,&pm->memtimings.timing[i]);
+ /* DLL (enable + ) reset */
+ if (!(info->mr[1] & mr1_dlloff)) {
+ if (mr[1] & mr1_dlloff) {
+ exec->mrs (exec, 1, info->mr[1]);
+ exec->wait(exec, tMRD);
}
+ exec->mrs (exec, 0, info->mr[0] | 0x00000100);
+ exec->wait(exec, tMRD);
+ exec->mrs (exec, 0, info->mr[0] | 0x00000000);
+ exec->wait(exec, tMRD);
+ exec->wait(exec, tDLLK);
+ if (dev_priv->vram_type == NV_MEM_TYPE_GDDR3)
+ exec->precharge(exec);
}
- memtimings->nr_timing = hdr->entry_cnt;
- memtimings->supported = P.version == 1;
+ return 0;
}
-void
-nouveau_mem_timing_fini(struct drm_device *dev)
+int
+nouveau_mem_vbios_type(struct drm_device *dev)
{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_pm_memtimings *mem = &dev_priv->engine.pm.memtimings;
+ struct bit_entry M;
+ u8 ramcfg = (nv_rd32(dev, 0x101000) & 0x0000003c) >> 2;
+ if (!bit_table(dev, 'M', &M) || M.version != 2 || M.length < 5) {
+ u8 *table = ROMPTR(dev, M.data[3]);
+ if (table && table[0] == 0x10 && ramcfg < table[3]) {
+ u8 *entry = table + table[1] + (ramcfg * table[2]);
+ switch (entry[0] & 0x0f) {
+ case 0: return NV_MEM_TYPE_DDR2;
+ case 1: return NV_MEM_TYPE_DDR3;
+ case 2: return NV_MEM_TYPE_GDDR3;
+ case 3: return NV_MEM_TYPE_GDDR5;
+ default:
+ break;
+ }
- if(mem->timing) {
- kfree(mem->timing);
- mem->timing = NULL;
+ }
}
+ return NV_MEM_TYPE_UNKNOWN;
}
static int
projects / firefly-linux-kernel-4.4.55.git / blobdiff