diff options
Diffstat (limited to 'nvkm/subdev/bios/pll.c')
-rw-r--r-- | nvkm/subdev/bios/pll.c | 416 |
1 files changed, 0 insertions, 416 deletions
diff --git a/nvkm/subdev/bios/pll.c b/nvkm/subdev/bios/pll.c deleted file mode 100644 index 1f76de597..000000000 --- a/nvkm/subdev/bios/pll.c +++ /dev/null @@ -1,416 +0,0 @@ -/* - * Copyright 2005-2006 Erik Waling - * Copyright 2006 Stephane Marchesin - * Copyright 2007-2009 Stuart Bennett - * - * 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 AUTHORS 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. - */ - -#include <subdev/vga.h> -#include <subdev/bios.h> -#include <subdev/bios/bit.h> -#include <subdev/bios/bmp.h> -#include <subdev/bios/pll.h> - -struct pll_mapping { - u8 type; - u32 reg; -}; - -static struct pll_mapping -nv04_pll_mapping[] = { - { PLL_CORE , 0x680500 }, - { PLL_MEMORY, 0x680504 }, - { PLL_VPLL0 , 0x680508 }, - { PLL_VPLL1 , 0x680520 }, - {} -}; - -static struct pll_mapping -nv40_pll_mapping[] = { - { PLL_CORE , 0x004000 }, - { PLL_MEMORY, 0x004020 }, - { PLL_VPLL0 , 0x680508 }, - { PLL_VPLL1 , 0x680520 }, - {} -}; - -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 }, - {} -}; - -static u16 -pll_limits_table(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len) -{ - struct bit_entry bit_C; - - if (!bit_entry(bios, 'C', &bit_C) && bit_C.length >= 10) { - u16 data = nv_ro16(bios, bit_C.offset + 8); - if (data) { - *ver = nv_ro08(bios, data + 0); - *hdr = nv_ro08(bios, data + 1); - *len = nv_ro08(bios, data + 2); - *cnt = nv_ro08(bios, data + 3); - return data; - } - } - - if (bmp_version(bios) >= 0x0524) { - u16 data = nv_ro16(bios, bios->bmp_offset + 142); - if (data) { - *ver = nv_ro08(bios, data + 0); - *hdr = 1; - *cnt = 1; - *len = 0x18; - return data; - } - } - - *ver = 0x00; - return 0x0000; -} - -static struct pll_mapping * -pll_map(struct nouveau_bios *bios) -{ - switch (nv_device(bios)->card_type) { - case NV_04: - case NV_10: - case NV_11: - case NV_20: - case NV_30: - return nv04_pll_mapping; - break; - case NV_40: - return nv40_pll_mapping; - case NV_50: - if (nv_device(bios)->chipset == 0x50) - return nv50_pll_mapping; - else - if (nv_device(bios)->chipset < 0xa3 || - nv_device(bios)->chipset == 0xaa || - nv_device(bios)->chipset == 0xac) - return nv84_pll_mapping; - default: - return NULL; - } -} - -static u16 -pll_map_reg(struct nouveau_bios *bios, u32 reg, u32 *type, u8 *ver, u8 *len) -{ - struct pll_mapping *map; - u8 hdr, cnt; - u16 data; - - data = pll_limits_table(bios, ver, &hdr, &cnt, len); - if (data && *ver >= 0x30) { - data += hdr; - while (cnt--) { - if (nv_ro32(bios, data + 3) == reg) { - *type = nv_ro08(bios, data + 0); - return data; - } - data += *len; - } - return 0x0000; - } - - map = pll_map(bios); - while (map->reg) { - if (map->reg == reg && *ver >= 0x20) { - u16 addr = (data += hdr); - *type = map->type; - while (cnt--) { - if (nv_ro32(bios, data) == map->reg) - return data; - data += *len; - } - return addr; - } else - if (map->reg == reg) { - *type = map->type; - return data + 1; - } - map++; - } - - return 0x0000; -} - -static u16 -pll_map_type(struct nouveau_bios *bios, u8 type, u32 *reg, u8 *ver, u8 *len) -{ - struct pll_mapping *map; - u8 hdr, cnt; - u16 data; - - data = pll_limits_table(bios, ver, &hdr, &cnt, len); - if (data && *ver >= 0x30) { - data += hdr; - while (cnt--) { - if (nv_ro08(bios, data + 0) == type) { - *reg = nv_ro32(bios, data + 3); - return data; - } - data += *len; - } - return 0x0000; - } - - map = pll_map(bios); - while (map->reg) { - if (map->type == type && *ver >= 0x20) { - u16 addr = (data += hdr); - *reg = map->reg; - while (cnt--) { - if (nv_ro32(bios, data) == map->reg) - return data; - data += *len; - } - return addr; - } else - if (map->type == type) { - *reg = map->reg; - return data + 1; - } - map++; - } - - return 0x0000; -} - -int -nvbios_pll_parse(struct nouveau_bios *bios, u32 type, struct nvbios_pll *info) -{ - u8 ver, len; - u32 reg = type; - u16 data; - - if (type > PLL_MAX) { - reg = type; - data = pll_map_reg(bios, reg, &type, &ver, &len); - } else { - data = pll_map_type(bios, type, ®, &ver, &len); - } - - if (ver && !data) - return -ENOENT; - - memset(info, 0, sizeof(*info)); - info->type = type; - info->reg = reg; - - switch (ver) { - case 0x00: - break; - case 0x10: - case 0x11: - info->vco1.min_freq = nv_ro32(bios, data + 0); - info->vco1.max_freq = nv_ro32(bios, data + 4); - info->vco2.min_freq = nv_ro32(bios, data + 8); - info->vco2.max_freq = nv_ro32(bios, data + 12); - info->vco1.min_inputfreq = nv_ro32(bios, data + 16); - info->vco2.min_inputfreq = nv_ro32(bios, data + 20); - info->vco1.max_inputfreq = INT_MAX; - info->vco2.max_inputfreq = INT_MAX; - - info->max_p = 0x7; - info->max_p_usable = 0x6; - - /* these values taken from nv30/31/36 */ - switch (bios->version.chip) { - case 0x36: - info->vco1.min_n = 0x5; - break; - default: - info->vco1.min_n = 0x1; - break; - } - info->vco1.max_n = 0xff; - info->vco1.min_m = 0x1; - info->vco1.max_m = 0xd; - - /* - * 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 - */ - info->vco2.min_n = 0x4; - switch (bios->version.chip) { - case 0x30: - case 0x35: - info->vco2.max_n = 0x1f; - break; - default: - info->vco2.max_n = 0x28; - break; - } - info->vco2.min_m = 0x1; - info->vco2.max_m = 0x4; - break; - case 0x20: - case 0x21: - info->vco1.min_freq = nv_ro16(bios, data + 4) * 1000; - info->vco1.max_freq = nv_ro16(bios, data + 6) * 1000; - info->vco2.min_freq = nv_ro16(bios, data + 8) * 1000; - info->vco2.max_freq = nv_ro16(bios, data + 10) * 1000; - info->vco1.min_inputfreq = nv_ro16(bios, data + 12) * 1000; - info->vco2.min_inputfreq = nv_ro16(bios, data + 14) * 1000; - info->vco1.max_inputfreq = nv_ro16(bios, data + 16) * 1000; - info->vco2.max_inputfreq = nv_ro16(bios, data + 18) * 1000; - info->vco1.min_n = nv_ro08(bios, data + 20); - info->vco1.max_n = nv_ro08(bios, data + 21); - info->vco1.min_m = nv_ro08(bios, data + 22); - info->vco1.max_m = nv_ro08(bios, data + 23); - info->vco2.min_n = nv_ro08(bios, data + 24); - info->vco2.max_n = nv_ro08(bios, data + 25); - info->vco2.min_m = nv_ro08(bios, data + 26); - info->vco2.max_m = nv_ro08(bios, data + 27); - - info->max_p = nv_ro08(bios, data + 29); - info->max_p_usable = info->max_p; - if (bios->version.chip < 0x60) - info->max_p_usable = 0x6; - info->bias_p = nv_ro08(bios, data + 30); - - if (len > 0x22) - info->refclk = nv_ro32(bios, data + 31); - break; - case 0x30: - data = nv_ro16(bios, data + 1); - - info->vco1.min_freq = nv_ro16(bios, data + 0) * 1000; - info->vco1.max_freq = nv_ro16(bios, data + 2) * 1000; - info->vco2.min_freq = nv_ro16(bios, data + 4) * 1000; - info->vco2.max_freq = nv_ro16(bios, data + 6) * 1000; - info->vco1.min_inputfreq = nv_ro16(bios, data + 8) * 1000; - info->vco2.min_inputfreq = nv_ro16(bios, data + 10) * 1000; - info->vco1.max_inputfreq = nv_ro16(bios, data + 12) * 1000; - info->vco2.max_inputfreq = nv_ro16(bios, data + 14) * 1000; - info->vco1.min_n = nv_ro08(bios, data + 16); - info->vco1.max_n = nv_ro08(bios, data + 17); - info->vco1.min_m = nv_ro08(bios, data + 18); - info->vco1.max_m = nv_ro08(bios, data + 19); - info->vco2.min_n = nv_ro08(bios, data + 20); - info->vco2.max_n = nv_ro08(bios, data + 21); - info->vco2.min_m = nv_ro08(bios, data + 22); - info->vco2.max_m = nv_ro08(bios, data + 23); - info->max_p_usable = info->max_p = nv_ro08(bios, data + 25); - info->bias_p = nv_ro08(bios, data + 27); - info->refclk = nv_ro32(bios, data + 28); - break; - case 0x40: - info->refclk = nv_ro16(bios, data + 9) * 1000; - data = nv_ro16(bios, data + 1); - - info->vco1.min_freq = nv_ro16(bios, data + 0) * 1000; - info->vco1.max_freq = nv_ro16(bios, data + 2) * 1000; - info->vco1.min_inputfreq = nv_ro16(bios, data + 4) * 1000; - info->vco1.max_inputfreq = nv_ro16(bios, data + 6) * 1000; - info->vco1.min_m = nv_ro08(bios, data + 8); - info->vco1.max_m = nv_ro08(bios, data + 9); - info->vco1.min_n = nv_ro08(bios, data + 10); - info->vco1.max_n = nv_ro08(bios, data + 11); - info->min_p = nv_ro08(bios, data + 12); - info->max_p = nv_ro08(bios, data + 13); - break; - default: - nv_error(bios, "unknown pll limits version 0x%02x\n", ver); - return -EINVAL; - } - - if (!info->refclk) { - info->refclk = nv_device(bios)->crystal; - if (bios->version.chip == 0x51) { - u32 sel_clk = nv_rd32(bios, 0x680524); - if ((info->reg == 0x680508 && sel_clk & 0x20) || - (info->reg == 0x680520 && sel_clk & 0x80)) { - if (nv_rdvgac(bios, 0, 0x27) < 0xa3) - info->refclk = 200000; - else - info->refclk = 25000; - } - } - } - - /* - * 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 (!info->vco1.max_freq) { - info->vco1.max_freq = nv_ro32(bios, bios->bmp_offset + 67); - info->vco1.min_freq = nv_ro32(bios, bios->bmp_offset + 71); - if (bmp_version(bios) < 0x0506) { - info->vco1.max_freq = 256000; - info->vco1.min_freq = 128000; - } - - info->vco1.min_inputfreq = 0; - info->vco1.max_inputfreq = INT_MAX; - info->vco1.min_n = 0x1; - info->vco1.max_n = 0xff; - info->vco1.min_m = 0x1; - - if (nv_device(bios)->crystal == 13500) { - /* nv05 does this, nv11 doesn't, nv10 unknown */ - if (bios->version.chip < 0x11) - info->vco1.min_m = 0x7; - info->vco1.max_m = 0xd; - } else { - if (bios->version.chip < 0x11) - info->vco1.min_m = 0x8; - info->vco1.max_m = 0xe; - } - - if (bios->version.chip < 0x17 || - bios->version.chip == 0x1a || - bios->version.chip == 0x20) - info->max_p = 4; - else - info->max_p = 5; - info->max_p_usable = info->max_p; - } - - return 0; -} |