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Diffstat (limited to 'nvkm/subdev/bios/dcb.c')
-rw-r--r--nvkm/subdev/bios/dcb.c235
1 files changed, 0 insertions, 235 deletions
diff --git a/nvkm/subdev/bios/dcb.c b/nvkm/subdev/bios/dcb.c
deleted file mode 100644
index 96099aff8..000000000
--- a/nvkm/subdev/bios/dcb.c
+++ /dev/null
@@ -1,235 +0,0 @@
-/*
- * Copyright 2012 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 "core/device.h"
-
-#include "subdev/bios.h"
-#include "subdev/bios/dcb.h"
-
-u16
-dcb_table(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
-{
- struct nouveau_device *device = nv_device(bios);
- u16 dcb = 0x0000;
-
- if (device->card_type > NV_04)
- dcb = nv_ro16(bios, 0x36);
- if (!dcb) {
- nv_warn(bios, "DCB table not found\n");
- return dcb;
- }
-
- *ver = nv_ro08(bios, dcb);
-
- if (*ver >= 0x42) {
- nv_warn(bios, "DCB version 0x%02x unknown\n", *ver);
- return 0x0000;
- } else
- if (*ver >= 0x30) {
- if (nv_ro32(bios, dcb + 6) == 0x4edcbdcb) {
- *hdr = nv_ro08(bios, dcb + 1);
- *cnt = nv_ro08(bios, dcb + 2);
- *len = nv_ro08(bios, dcb + 3);
- return dcb;
- }
- } else
- if (*ver >= 0x20) {
- if (nv_ro32(bios, dcb + 4) == 0x4edcbdcb) {
- u16 i2c = nv_ro16(bios, dcb + 2);
- *hdr = 8;
- *cnt = (i2c - dcb) / 8;
- *len = 8;
- return dcb;
- }
- } else
- if (*ver >= 0x15) {
- if (!nv_memcmp(bios, dcb - 7, "DEV_REC", 7)) {
- u16 i2c = nv_ro16(bios, dcb + 2);
- *hdr = 4;
- *cnt = (i2c - dcb) / 10;
- *len = 10;
- return dcb;
- }
- } else {
- /*
- * v1.4 (some NV15/16, NV11+) seems the same as v1.5, but
- * always has the same single (crt) entry, even when tv-out
- * present, so the conclusion is this version cannot really
- * be used.
- *
- * v1.2 tables (some NV6/10, and NV15+) normally have the
- * same 5 entries, which are not specific to the card and so
- * no use.
- *
- * v1.2 does have an I2C table that read_dcb_i2c_table can
- * handle, but cards exist (nv11 in #14821) with a bad i2c
- * table pointer, so use the indices parsed in
- * parse_bmp_structure.
- *
- * v1.1 (NV5+, maybe some NV4) is entirely unhelpful
- */
- nv_warn(bios, "DCB contains no useful data\n");
- return 0x0000;
- }
-
- nv_warn(bios, "DCB header validation failed\n");
- return 0x0000;
-}
-
-u16
-dcb_outp(struct nouveau_bios *bios, u8 idx, u8 *ver, u8 *len)
-{
- u8 hdr, cnt;
- u16 dcb = dcb_table(bios, ver, &hdr, &cnt, len);
- if (dcb && idx < cnt)
- return dcb + hdr + (idx * *len);
- return 0x0000;
-}
-
-static inline u16
-dcb_outp_hasht(struct dcb_output *outp)
-{
- return (outp->extdev << 8) | (outp->location << 4) | outp->type;
-}
-
-static inline u16
-dcb_outp_hashm(struct dcb_output *outp)
-{
- return (outp->heads << 8) | (outp->link << 6) | outp->or;
-}
-
-u16
-dcb_outp_parse(struct nouveau_bios *bios, u8 idx, u8 *ver, u8 *len,
- struct dcb_output *outp)
-{
- u16 dcb = dcb_outp(bios, idx, ver, len);
- memset(outp, 0x00, sizeof(*outp));
- if (dcb) {
- if (*ver >= 0x20) {
- u32 conn = nv_ro32(bios, dcb + 0x00);
- outp->or = (conn & 0x0f000000) >> 24;
- outp->location = (conn & 0x00300000) >> 20;
- outp->bus = (conn & 0x000f0000) >> 16;
- outp->connector = (conn & 0x0000f000) >> 12;
- outp->heads = (conn & 0x00000f00) >> 8;
- outp->i2c_index = (conn & 0x000000f0) >> 4;
- outp->type = (conn & 0x0000000f);
- outp->link = 0;
- } else {
- dcb = 0x0000;
- }
-
- if (*ver >= 0x40) {
- u32 conf = nv_ro32(bios, dcb + 0x04);
- switch (outp->type) {
- case DCB_OUTPUT_DP:
- switch (conf & 0x00e00000) {
- case 0x00000000:
- outp->dpconf.link_bw = 0x06;
- break;
- case 0x00200000:
- outp->dpconf.link_bw = 0x0a;
- break;
- case 0x00400000:
- default:
- outp->dpconf.link_bw = 0x14;
- break;
- }
-
- outp->dpconf.link_nr = (conf & 0x0f000000) >> 24;
- if (*ver < 0x41) {
- switch (outp->dpconf.link_nr) {
- case 0x0f:
- outp->dpconf.link_nr = 4;
- break;
- case 0x03:
- outp->dpconf.link_nr = 2;
- break;
- case 0x01:
- default:
- outp->dpconf.link_nr = 1;
- break;
- }
- }
-
- /* fall-through... */
- case DCB_OUTPUT_TMDS:
- case DCB_OUTPUT_LVDS:
- outp->link = (conf & 0x00000030) >> 4;
- outp->sorconf.link = outp->link; /*XXX*/
- outp->extdev = 0x00;
- if (outp->location != 0)
- outp->extdev = (conf & 0x0000ff00) >> 8;
- break;
- default:
- break;
- }
- }
-
- outp->hasht = dcb_outp_hasht(outp);
- outp->hashm = dcb_outp_hashm(outp);
- }
- return dcb;
-}
-
-u16
-dcb_outp_match(struct nouveau_bios *bios, u16 type, u16 mask,
- u8 *ver, u8 *len, struct dcb_output *outp)
-{
- u16 dcb, idx = 0;
- while ((dcb = dcb_outp_parse(bios, idx++, ver, len, outp))) {
- if ((dcb_outp_hasht(outp) & 0x00ff) == (type & 0x00ff)) {
- if ((dcb_outp_hashm(outp) & mask) == mask)
- break;
- }
- }
- return dcb;
-}
-
-int
-dcb_outp_foreach(struct nouveau_bios *bios, void *data,
- int (*exec)(struct nouveau_bios *, void *, int, u16))
-{
- int ret, idx = -1;
- u8 ver, len;
- u16 outp;
-
- while ((outp = dcb_outp(bios, ++idx, &ver, &len))) {
- if (nv_ro32(bios, outp) == 0x00000000)
- break; /* seen on an NV11 with DCB v1.5 */
- if (nv_ro32(bios, outp) == 0xffffffff)
- break; /* seen on an NV17 with DCB v2.0 */
-
- if (nv_ro08(bios, outp) == DCB_OUTPUT_UNUSED)
- continue;
- if (nv_ro08(bios, outp) == DCB_OUTPUT_EOL)
- break;
-
- ret = exec(bios, data, idx, outp);
- if (ret)
- return ret;
- }
-
- return 0;
-}
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