From 20014cbe8b2b9921476531a051735ed3f932fb13 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Wed, 14 May 2014 11:10:02 +1000 Subject: [PATCH] drm/nouveau/bios: extend connector table parsing Signed-off-by: Ben Skeggs --- .../nouveau/core/include/subdev/bios/conn.h | 22 ++++++- .../gpu/drm/nouveau/core/subdev/bios/conn.c | 62 ++++++++++++++++--- .../gpu/drm/nouveau/core/subdev/bios/init.c | 9 +-- .../gpu/drm/nouveau/core/subdev/mxm/nv50.c | 2 +- 4 files changed, 79 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bios/conn.h b/drivers/gpu/drm/nouveau/core/include/subdev/bios/conn.h index a32feb3f3fb6..f3930c27cb7a 100644 --- a/drivers/gpu/drm/nouveau/core/include/subdev/bios/conn.h +++ b/drivers/gpu/drm/nouveau/core/include/subdev/bios/conn.h @@ -22,7 +22,25 @@ enum dcb_connector_type { DCB_CONNECTOR_NONE = 0xff }; -u16 dcb_conntab(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len); -u16 dcb_conn(struct nouveau_bios *bios, u8 idx, u8 *ver, u8 *len); +struct nvbios_connT { +}; + +u32 nvbios_connTe(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len); +u32 nvbios_connTp(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, + struct nvbios_connT *info); + +struct nvbios_connE { + u8 type; + u8 location; + u8 hpd; + u8 dp; + u8 di; + u8 sr; + u8 lcdid; +}; + +u32 nvbios_connEe(struct nouveau_bios *bios, u8 idx, u8 *ver, u8 *hdr); +u32 nvbios_connEp(struct nouveau_bios *bios, u8 idx, u8 *ver, u8 *hdr, + struct nvbios_connE *info); #endif diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/conn.c b/drivers/gpu/drm/nouveau/core/subdev/bios/conn.c index 5ac010efd959..2ede3bcd96a1 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/conn.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/conn.c @@ -28,12 +28,12 @@ #include #include -u16 -dcb_conntab(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len) +u32 +nvbios_connTe(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len) { - u16 dcb = dcb_table(bios, ver, hdr, cnt, len); + u32 dcb = dcb_table(bios, ver, hdr, cnt, len); if (dcb && *ver >= 0x30 && *hdr >= 0x16) { - u16 data = nv_ro16(bios, dcb + 0x14); + u32 data = nv_ro16(bios, dcb + 0x14); if (data) { *ver = nv_ro08(bios, data + 0); *hdr = nv_ro08(bios, data + 1); @@ -42,15 +42,59 @@ dcb_conntab(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len) return data; } } - return 0x0000; + return 0x00000000; } -u16 -dcb_conn(struct nouveau_bios *bios, u8 idx, u8 *ver, u8 *len) +u32 +nvbios_connTp(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, + struct nvbios_connT *info) +{ + u32 data = nvbios_connTe(bios, ver, hdr, cnt, len); + memset(info, 0x00, sizeof(*info)); + switch (!!data * *ver) { + case 0x30: + case 0x40: + return data; + default: + break; + } + return 0x00000000; +} + +u32 +nvbios_connEe(struct nouveau_bios *bios, u8 idx, u8 *ver, u8 *len) { u8 hdr, cnt; - u16 data = dcb_conntab(bios, ver, &hdr, &cnt, len); + u32 data = nvbios_connTe(bios, ver, &hdr, &cnt, len); if (data && idx < cnt) return data + hdr + (idx * *len); - return 0x0000; + return 0x00000000; +} + +u32 +nvbios_connEp(struct nouveau_bios *bios, u8 idx, u8 *ver, u8 *len, + struct nvbios_connE *info) +{ + u32 data = nvbios_connEe(bios, idx, ver, len); + memset(info, 0x00, sizeof(*info)); + switch (!!data * *ver) { + case 0x30: + case 0x40: + info->type = nv_ro08(bios, data + 0x00); + info->location = nv_ro08(bios, data + 0x01) & 0x0f; + info->hpd = (nv_ro08(bios, data + 0x01) & 0x30) >> 4; + info->dp = (nv_ro08(bios, data + 0x01) & 0xc0) >> 6; + if (*len < 4) + return data; + info->hpd |= (nv_ro08(bios, data + 0x02) & 0x03) << 2; + info->dp |= nv_ro08(bios, data + 0x02) & 0x0c; + info->di = (nv_ro08(bios, data + 0x02) & 0xf0) >> 4; + info->hpd |= (nv_ro08(bios, data + 0x03) & 0x07) << 4; + info->sr = (nv_ro08(bios, data + 0x03) & 0x08) >> 3; + info->lcdid = (nv_ro08(bios, data + 0x03) & 0x70) >> 4; + return data; + default: + break; + } + return 0x00000000; } diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c index acaeaf79e3f0..626380f9e4c0 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c @@ -98,15 +98,16 @@ static u8 init_conn(struct nvbios_init *init) { struct nouveau_bios *bios = init->bios; - u8 ver, len; - u16 conn; + struct nvbios_connE connE; + u8 ver, hdr; + u32 conn; if (init_exec(init)) { if (init->outp) { conn = init->outp->connector; - conn = dcb_conn(bios, conn, &ver, &len); + conn = nvbios_connEp(bios, conn, &ver, &hdr, &connE); if (conn) - return nv_ro08(bios, conn); + return connE.type; } error("script needs connector type\n"); diff --git a/drivers/gpu/drm/nouveau/core/subdev/mxm/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/mxm/nv50.c index 64f8b4702bf7..fcaabe8456e3 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mxm/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mxm/nv50.c @@ -150,7 +150,7 @@ mxm_dcb_sanitise_entry(struct nouveau_bios *bios, void *data, int idx, u16 pdcb) * common example is DP->eDP. */ conn = bios->data; - conn += dcb_conn(bios, (ctx.outp[0] & 0x0000f000) >> 12, &ver, &len); + conn += nvbios_connEe(bios, (ctx.outp[0] & 0x0000f000) >> 12, &ver, &len); type = conn[0]; switch (ctx.desc.conn_type) { case 0x01: /* LVDS */ -- 2.34.1