diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bios.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.c | 519 |
1 files changed, 7 insertions, 512 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index 35b0a8f9c008..98eaac9da30e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -441,70 +441,6 @@ io_condition_met(struct nvbios *bios, uint16_t offset, uint8_t cond) return (data == cmpval); } -static int -nv50_pll_set(struct drm_device *dev, uint32_t reg, uint32_t clk) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_pll_vals pll; - struct pll_lims pll_limits; - u32 ctrl, mask, coef; - int ret; - - ret = get_pll_limits(dev, reg, &pll_limits); - if (ret) - return ret; - - clk = nouveau_calc_pll_mnp(dev, &pll_limits, clk, &pll); - if (!clk) - return -ERANGE; - - coef = pll.N1 << 8 | pll.M1; - ctrl = pll.log2P << 16; - mask = 0x00070000; - if (reg == 0x004008) { - mask |= 0x01f80000; - ctrl |= (pll_limits.log2p_bias << 19); - ctrl |= (pll.log2P << 22); - } - - if (!dev_priv->vbios.execute) - return 0; - - nv_mask(dev, reg + 0, mask, ctrl); - nv_wr32(dev, reg + 4, coef); - return 0; -} - -static int -setPLL(struct nvbios *bios, uint32_t reg, uint32_t clk) -{ - struct drm_device *dev = bios->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - /* clk in kHz */ - struct pll_lims pll_lim; - struct nouveau_pll_vals pllvals; - int ret; - - if (dev_priv->card_type >= NV_50) - return nv50_pll_set(dev, reg, clk); - - /* high regs (such as in the mac g5 table) are not -= 4 */ - ret = get_pll_limits(dev, reg > 0x405c ? reg : reg - 4, &pll_lim); - if (ret) - return ret; - - clk = nouveau_calc_pll_mnp(dev, &pll_lim, clk, &pllvals); - if (!clk) - return -ERANGE; - - if (bios->execute) { - still_alive(); - nouveau_hw_setpll(dev, reg, &pllvals); - } - - return 0; -} - static int dcb_entry_idx_from_crtchead(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; @@ -752,7 +688,7 @@ init_io_restrict_pll(struct nvbios *bios, uint16_t offset, BIOSLOG(bios, "0x%04X: Reg: 0x%08X, Config: 0x%02X, Freq: %d0kHz\n", offset, reg, config, freq); - setPLL(bios, reg, freq * 10); + setPLL(bios->dev, reg, freq * 10); return len; } @@ -1110,7 +1046,7 @@ init_io_restrict_pll2(struct nvbios *bios, uint16_t offset, BIOSLOG(bios, "0x%04X: Reg: 0x%08X, Config: 0x%02X, Freq: %dkHz\n", offset, reg, config, freq); - setPLL(bios, reg, freq); + setPLL(bios->dev, reg, freq); return len; } @@ -1137,7 +1073,7 @@ init_pll2(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) BIOSLOG(bios, "0x%04X: Reg: 0x%04X, Freq: %dkHz\n", offset, reg, freq); - setPLL(bios, reg, freq); + setPLL(bios->dev, reg, freq); return 9; } @@ -2376,12 +2312,12 @@ init_configure_clk(struct nvbios *bios, uint16_t offset, return 0; clock = ROM16(bios->data[meminitoffs + 4]) * 10; - setPLL(bios, NV_PRAMDAC_NVPLL_COEFF, clock); + setPLL(bios->dev, NV_PRAMDAC_NVPLL_COEFF, clock); clock = ROM16(bios->data[meminitoffs + 2]) * 10; if (bios->data[meminitoffs] & 1) /* DDR */ clock *= 2; - setPLL(bios, NV_PRAMDAC_MPLL_COEFF, clock); + setPLL(bios->dev, NV_PRAMDAC_MPLL_COEFF, clock); return 1; } @@ -2820,7 +2756,7 @@ init_pll(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) BIOSLOG(bios, "0x%04X: Reg: 0x%08X, Freq: %d0kHz\n", offset, reg, freq); - setPLL(bios, reg, freq * 10); + setPLL(bios->dev, reg, freq * 10); return 7; } @@ -2898,7 +2834,7 @@ init_ram_restrict_pll(struct nvbios *bios, uint16_t offset, "Type %02x Reg 0x%08x Freq %dKHz\n", offset, type, reg, freq); - setPLL(bios, reg, freq); + setPLL(bios->dev, reg, freq); return len; } } @@ -4305,447 +4241,6 @@ int run_tmds_table(struct drm_device *dev, struct dcb_entry *dcbent, int head, i return 0; } -struct pll_mapping { - u8 type; - u32 reg; -}; - -static struct pll_mapping nv04_pll_mapping[] = { - { PLL_CORE , NV_PRAMDAC_NVPLL_COEFF }, - { PLL_MEMORY, NV_PRAMDAC_MPLL_COEFF }, - { PLL_VPLL0 , NV_PRAMDAC_VPLL_COEFF }, - { PLL_VPLL1 , NV_RAMDAC_VPLL2 }, - {} -}; - -static struct pll_mapping nv40_pll_mapping[] = { - { PLL_CORE , 0x004000 }, - { PLL_MEMORY, 0x004020 }, - { PLL_VPLL0 , NV_PRAMDAC_VPLL_COEFF }, - { PLL_VPLL1 , NV_RAMDAC_VPLL2 }, - {} -}; - -static struct pll_mapping nv50_pll_mapping[] = { - { PLL_CORE , 0x004028 }, - { PLL_SHADER, 0x004020 }, - { PLL_UNK03 , 0x004000 }, - { PLL_MEMORY, 0x004008 }, - { PLL_UNK40 , 0x00e810 }, - { PLL_UNK41 , 0x00e818 }, - { PLL_UNK42 , 0x00e824 }, - { PLL_VPLL0 , 0x614100 }, - { PLL_VPLL1 , 0x614900 }, - {} -}; - -static struct pll_mapping nv84_pll_mapping[] = { - { PLL_CORE , 0x004028 }, - { PLL_SHADER, 0x004020 }, - { PLL_MEMORY, 0x004008 }, - { PLL_VDEC , 0x004030 }, - { PLL_UNK41 , 0x00e818 }, - { PLL_VPLL0 , 0x614100 }, - { PLL_VPLL1 , 0x614900 }, - {} -}; - -u32 -get_pll_register(struct drm_device *dev, enum pll_types type) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nvbios *bios = &dev_priv->vbios; - struct pll_mapping *map; - int i; - - if (dev_priv->card_type < NV_40) - map = nv04_pll_mapping; - else - if (dev_priv->card_type < NV_50) - map = nv40_pll_mapping; - else { - u8 *plim = &bios->data[bios->pll_limit_tbl_ptr]; - - if (plim[0] >= 0x30) { - u8 *entry = plim + plim[1]; - for (i = 0; i < plim[3]; i++, entry += plim[2]) { - if (entry[0] == type) - return ROM32(entry[3]); - } - - return 0; - } - - if (dev_priv->chipset == 0x50) - map = nv50_pll_mapping; - else - map = nv84_pll_mapping; - } - - while (map->reg) { - if (map->type == type) - return map->reg; - map++; - } - - return 0; -} - -int get_pll_limits(struct drm_device *dev, uint32_t limit_match, struct pll_lims *pll_lim) -{ - /* - * PLL limits table - * - * Version 0x10: NV30, NV31 - * One byte header (version), one record of 24 bytes - * Version 0x11: NV36 - Not implemented - * Seems to have same record style as 0x10, but 3 records rather than 1 - * Version 0x20: Found on Geforce 6 cards - * Trivial 4 byte BIT header. 31 (0x1f) byte record length - * Version 0x21: Found on Geforce 7, 8 and some Geforce 6 cards - * 5 byte header, fifth byte of unknown purpose. 35 (0x23) byte record - * length in general, some (integrated) have an extra configuration byte - * Version 0x30: Found on Geforce 8, separates the register mapping - * from the limits tables. - */ - - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nvbios *bios = &dev_priv->vbios; - int cv = bios->chip_version, pllindex = 0; - uint8_t pll_lim_ver = 0, headerlen = 0, recordlen = 0, entries = 0; - uint32_t crystal_strap_mask, crystal_straps; - - if (!bios->pll_limit_tbl_ptr) { - if (cv == 0x30 || cv == 0x31 || cv == 0x35 || cv == 0x36 || - cv >= 0x40) { - NV_ERROR(dev, "Pointer to PLL limits table invalid\n"); - return -EINVAL; - } - } else - pll_lim_ver = bios->data[bios->pll_limit_tbl_ptr]; - - crystal_strap_mask = 1 << 6; - /* open coded dev->twoHeads test */ - if (cv > 0x10 && cv != 0x15 && cv != 0x1a && cv != 0x20) - crystal_strap_mask |= 1 << 22; - crystal_straps = nvReadEXTDEV(dev, NV_PEXTDEV_BOOT_0) & - crystal_strap_mask; - - switch (pll_lim_ver) { - /* - * We use version 0 to indicate a pre limit table bios (single stage - * pll) and load the hard coded limits instead. - */ - case 0: - break; - case 0x10: - case 0x11: - /* - * Strictly v0x11 has 3 entries, but the last two don't seem - * to get used. - */ - headerlen = 1; - recordlen = 0x18; - entries = 1; - pllindex = 0; - break; - case 0x20: - case 0x21: - case 0x30: - case 0x40: - headerlen = bios->data[bios->pll_limit_tbl_ptr + 1]; - recordlen = bios->data[bios->pll_limit_tbl_ptr + 2]; - entries = bios->data[bios->pll_limit_tbl_ptr + 3]; - break; - default: - NV_ERROR(dev, "PLL limits table revision 0x%X not currently " - "supported\n", pll_lim_ver); - return -ENOSYS; - } - - /* initialize all members to zero */ - memset(pll_lim, 0, sizeof(struct pll_lims)); - - /* if we were passed a type rather than a register, figure - * out the register and store it - */ - if (limit_match > PLL_MAX) - pll_lim->reg = limit_match; - else { - pll_lim->reg = get_pll_register(dev, limit_match); - if (!pll_lim->reg) - return -ENOENT; - } - - if (pll_lim_ver == 0x10 || pll_lim_ver == 0x11) { - uint8_t *pll_rec = &bios->data[bios->pll_limit_tbl_ptr + headerlen + recordlen * pllindex]; - - pll_lim->vco1.minfreq = ROM32(pll_rec[0]); - pll_lim->vco1.maxfreq = ROM32(pll_rec[4]); - pll_lim->vco2.minfreq = ROM32(pll_rec[8]); - pll_lim->vco2.maxfreq = ROM32(pll_rec[12]); - pll_lim->vco1.min_inputfreq = ROM32(pll_rec[16]); - pll_lim->vco2.min_inputfreq = ROM32(pll_rec[20]); - pll_lim->vco1.max_inputfreq = pll_lim->vco2.max_inputfreq = INT_MAX; - - /* these values taken from nv30/31/36 */ - pll_lim->vco1.min_n = 0x1; - if (cv == 0x36) - pll_lim->vco1.min_n = 0x5; - pll_lim->vco1.max_n = 0xff; - pll_lim->vco1.min_m = 0x1; - pll_lim->vco1.max_m = 0xd; - pll_lim->vco2.min_n = 0x4; - /* - * On nv30, 31, 36 (i.e. all cards with two stage PLLs with this - * table version (apart from nv35)), N2 is compared to - * maxN2 (0x46) and 10 * maxM2 (0x4), so set maxN2 to 0x28 and - * save a comparison - */ - pll_lim->vco2.max_n = 0x28; - if (cv == 0x30 || cv == 0x35) - /* only 5 bits available for N2 on nv30/35 */ - pll_lim->vco2.max_n = 0x1f; - pll_lim->vco2.min_m = 0x1; - pll_lim->vco2.max_m = 0x4; - pll_lim->max_log2p = 0x7; - pll_lim->max_usable_log2p = 0x6; - } else if (pll_lim_ver == 0x20 || pll_lim_ver == 0x21) { - uint16_t plloffs = bios->pll_limit_tbl_ptr + headerlen; - uint8_t *pll_rec; - int i; - - /* - * First entry is default match, if nothing better. warn if - * reg field nonzero - */ - if (ROM32(bios->data[plloffs])) - NV_WARN(dev, "Default PLL limit entry has non-zero " - "register field\n"); - - for (i = 1; i < entries; i++) - if (ROM32(bios->data[plloffs + recordlen * i]) == pll_lim->reg) { - pllindex = i; - break; - } - - if ((dev_priv->card_type >= NV_50) && (pllindex == 0)) { - NV_ERROR(dev, "Register 0x%08x not found in PLL " - "limits table", pll_lim->reg); - return -ENOENT; - } - - pll_rec = &bios->data[plloffs + recordlen * pllindex]; - - BIOSLOG(bios, "Loading PLL limits for reg 0x%08x\n", - pllindex ? pll_lim->reg : 0); - - /* - * Frequencies are stored in tables in MHz, kHz are more - * useful, so we convert. - */ - - /* What output frequencies can each VCO generate? */ - pll_lim->vco1.minfreq = ROM16(pll_rec[4]) * 1000; - pll_lim->vco1.maxfreq = ROM16(pll_rec[6]) * 1000; - pll_lim->vco2.minfreq = ROM16(pll_rec[8]) * 1000; - pll_lim->vco2.maxfreq = ROM16(pll_rec[10]) * 1000; - - /* What input frequencies they accept (past the m-divider)? */ - pll_lim->vco1.min_inputfreq = ROM16(pll_rec[12]) * 1000; - pll_lim->vco2.min_inputfreq = ROM16(pll_rec[14]) * 1000; - pll_lim->vco1.max_inputfreq = ROM16(pll_rec[16]) * 1000; - pll_lim->vco2.max_inputfreq = ROM16(pll_rec[18]) * 1000; - - /* What values are accepted as multiplier and divider? */ - pll_lim->vco1.min_n = pll_rec[20]; - pll_lim->vco1.max_n = pll_rec[21]; - pll_lim->vco1.min_m = pll_rec[22]; - pll_lim->vco1.max_m = pll_rec[23]; - pll_lim->vco2.min_n = pll_rec[24]; - pll_lim->vco2.max_n = pll_rec[25]; - pll_lim->vco2.min_m = pll_rec[26]; - pll_lim->vco2.max_m = pll_rec[27]; - - pll_lim->max_usable_log2p = pll_lim->max_log2p = pll_rec[29]; - if (pll_lim->max_log2p > 0x7) - /* pll decoding in nv_hw.c assumes never > 7 */ - NV_WARN(dev, "Max log2 P value greater than 7 (%d)\n", - pll_lim->max_log2p); - if (cv < 0x60) - pll_lim->max_usable_log2p = 0x6; - pll_lim->log2p_bias = pll_rec[30]; - - if (recordlen > 0x22) - pll_lim->refclk = ROM32(pll_rec[31]); - - if (recordlen > 0x23 && pll_rec[35]) - NV_WARN(dev, - "Bits set in PLL configuration byte (%x)\n", - pll_rec[35]); - - /* C51 special not seen elsewhere */ - if (cv == 0x51 && !pll_lim->refclk) { - uint32_t sel_clk = bios_rd32(bios, NV_PRAMDAC_SEL_CLK); - - if ((pll_lim->reg == NV_PRAMDAC_VPLL_COEFF && sel_clk & 0x20) || - (pll_lim->reg == NV_RAMDAC_VPLL2 && sel_clk & 0x80)) { - if (bios_idxprt_rd(bios, NV_CIO_CRX__COLOR, NV_CIO_CRE_CHIP_ID_INDEX) < 0xa3) - pll_lim->refclk = 200000; - else - pll_lim->refclk = 25000; - } - } - } else if (pll_lim_ver == 0x30) { /* ver 0x30 */ - uint8_t *entry = &bios->data[bios->pll_limit_tbl_ptr + headerlen]; - uint8_t *record = NULL; - int i; - - BIOSLOG(bios, "Loading PLL limits for register 0x%08x\n", - pll_lim->reg); - - for (i = 0; i < entries; i++, entry += recordlen) { - if (ROM32(entry[3]) == pll_lim->reg) { - record = &bios->data[ROM16(entry[1])]; - break; - } - } - - if (!record) { - NV_ERROR(dev, "Register 0x%08x not found in PLL " - "limits table", pll_lim->reg); - return -ENOENT; - } - - pll_lim->vco1.minfreq = ROM16(record[0]) * 1000; - pll_lim->vco1.maxfreq = ROM16(record[2]) * 1000; - pll_lim->vco2.minfreq = ROM16(record[4]) * 1000; - pll_lim->vco2.maxfreq = ROM16(record[6]) * 1000; - pll_lim->vco1.min_inputfreq = ROM16(record[8]) * 1000; - pll_lim->vco2.min_inputfreq = ROM16(record[10]) * 1000; - pll_lim->vco1.max_inputfreq = ROM16(record[12]) * 1000; - pll_lim->vco2.max_inputfreq = ROM16(record[14]) * 1000; - pll_lim->vco1.min_n = record[16]; - pll_lim->vco1.max_n = record[17]; - pll_lim->vco1.min_m = record[18]; - pll_lim->vco1.max_m = record[19]; - pll_lim->vco2.min_n = record[20]; - pll_lim->vco2.max_n = record[21]; - pll_lim->vco2.min_m = record[22]; - pll_lim->vco2.max_m = record[23]; - pll_lim->max_usable_log2p = pll_lim->max_log2p = record[25]; - pll_lim->log2p_bias = record[27]; - pll_lim->refclk = ROM32(record[28]); - } else if (pll_lim_ver) { /* ver 0x40 */ - uint8_t *entry = &bios->data[bios->pll_limit_tbl_ptr + headerlen]; - uint8_t *record = NULL; - int i; - - BIOSLOG(bios, "Loading PLL limits for register 0x%08x\n", - pll_lim->reg); - - for (i = 0; i < entries; i++, entry += recordlen) { - if (ROM32(entry[3]) == pll_lim->reg) { - record = &bios->data[ROM16(entry[1])]; - break; - } - } - - if (!record) { - NV_ERROR(dev, "Register 0x%08x not found in PLL " - "limits table", pll_lim->reg); - return -ENOENT; - } - - pll_lim->vco1.minfreq = ROM16(record[0]) * 1000; - pll_lim->vco1.maxfreq = ROM16(record[2]) * 1000; - pll_lim->vco1.min_inputfreq = ROM16(record[4]) * 1000; - pll_lim->vco1.max_inputfreq = ROM16(record[6]) * 1000; - pll_lim->vco1.min_m = record[8]; - pll_lim->vco1.max_m = record[9]; - pll_lim->vco1.min_n = record[10]; - pll_lim->vco1.max_n = record[11]; - pll_lim->min_p = record[12]; - pll_lim->max_p = record[13]; - pll_lim->refclk = ROM16(entry[9]) * 1000; - } - - /* - * By now any valid limit table ought to have set a max frequency for - * vco1, so if it's zero it's either a pre limit table bios, or one - * with an empty limit table (seen on nv18) - */ - if (!pll_lim->vco1.maxfreq) { - pll_lim->vco1.minfreq = bios->fminvco; - pll_lim->vco1.maxfreq = bios->fmaxvco; - pll_lim->vco1.min_inputfreq = 0; - pll_lim->vco1.max_inputfreq = INT_MAX; - pll_lim->vco1.min_n = 0x1; - pll_lim->vco1.max_n = 0xff; - pll_lim->vco1.min_m = 0x1; - if (crystal_straps == 0) { - /* nv05 does this, nv11 doesn't, nv10 unknown */ - if (cv < 0x11) - pll_lim->vco1.min_m = 0x7; - pll_lim->vco1.max_m = 0xd; - } else { - if (cv < 0x11) - pll_lim->vco1.min_m = 0x8; - pll_lim->vco1.max_m = 0xe; - } - if (cv < 0x17 || cv == 0x1a || cv == 0x20) - pll_lim->max_log2p = 4; - else - pll_lim->max_log2p = 5; - pll_lim->max_usable_log2p = pll_lim->max_log2p; - } - - if (!pll_lim->refclk) - switch (crystal_straps) { - case 0: - pll_lim->refclk = 13500; - break; - case (1 << 6): - pll_lim->refclk = 14318; - break; - case (1 << 22): - pll_lim->refclk = 27000; - break; - case (1 << 22 | 1 << 6): - pll_lim->refclk = 25000; - break; - } - - NV_DEBUG(dev, "pll.vco1.minfreq: %d\n", pll_lim->vco1.minfreq); - NV_DEBUG(dev, "pll.vco1.maxfreq: %d\n", pll_lim->vco1.maxfreq); - NV_DEBUG(dev, "pll.vco1.min_inputfreq: %d\n", pll_lim->vco1.min_inputfreq); - NV_DEBUG(dev, "pll.vco1.max_inputfreq: %d\n", pll_lim->vco1.max_inputfreq); - NV_DEBUG(dev, "pll.vco1.min_n: %d\n", pll_lim->vco1.min_n); - NV_DEBUG(dev, "pll.vco1.max_n: %d\n", pll_lim->vco1.max_n); - NV_DEBUG(dev, "pll.vco1.min_m: %d\n", pll_lim->vco1.min_m); - NV_DEBUG(dev, "pll.vco1.max_m: %d\n", pll_lim->vco1.max_m); - if (pll_lim->vco2.maxfreq) { - NV_DEBUG(dev, "pll.vco2.minfreq: %d\n", pll_lim->vco2.minfreq); - NV_DEBUG(dev, "pll.vco2.maxfreq: %d\n", pll_lim->vco2.maxfreq); - NV_DEBUG(dev, "pll.vco2.min_inputfreq: %d\n", pll_lim->vco2.min_inputfreq); - NV_DEBUG(dev, "pll.vco2.max_inputfreq: %d\n", pll_lim->vco2.max_inputfreq); - NV_DEBUG(dev, "pll.vco2.min_n: %d\n", pll_lim->vco2.min_n); - NV_DEBUG(dev, "pll.vco2.max_n: %d\n", pll_lim->vco2.max_n); - NV_DEBUG(dev, "pll.vco2.min_m: %d\n", pll_lim->vco2.min_m); - NV_DEBUG(dev, "pll.vco2.max_m: %d\n", pll_lim->vco2.max_m); - } - if (!pll_lim->max_p) { - NV_DEBUG(dev, "pll.max_log2p: %d\n", pll_lim->max_log2p); - NV_DEBUG(dev, "pll.log2p_bias: %d\n", pll_lim->log2p_bias); - } else { - NV_DEBUG(dev, "pll.min_p: %d\n", pll_lim->min_p); - NV_DEBUG(dev, "pll.max_p: %d\n", pll_lim->max_p); - } - NV_DEBUG(dev, "pll.refclk: %d\n", pll_lim->refclk); - - return 0; -} - static void parse_bios_version(struct drm_device *dev, struct nvbios *bios, uint16_t offset) { /* |