From: Ben Skeggs Date: Thu, 8 Nov 2012 23:53:28 +0000 (+1000) Subject: drm/nv50/disp: move dp link training helpers into core X-Git-Tag: v3.8-rc1~42^2~66 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f7960736d0b8647fd149687d15deb79e47122d69;p=platform%2Fkernel%2Flinux-exynos.git drm/nv50/disp: move dp link training helpers into core Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile index 01132dd..9c107c8 100644 --- a/drivers/gpu/drm/nouveau/Makefile +++ b/drivers/gpu/drm/nouveau/Makefile @@ -141,6 +141,7 @@ nouveau-y += core/engine/disp/dacnv50.o nouveau-y += core/engine/disp/hdanvd0.o nouveau-y += core/engine/disp/hdminvd0.o nouveau-y += core/engine/disp/sornv50.o +nouveau-y += core/engine/disp/sornv94.o nouveau-y += core/engine/disp/sornvd0.o nouveau-y += core/engine/disp/vga.o nouveau-y += core/engine/fifo/base.o diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h index 72cefd2..61dd70f 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h @@ -49,6 +49,13 @@ int nv50_dac_sense(struct nv50_disp_priv *, int, u32); int nv50_sor_mthd(struct nouveau_object *, u32, void *, u32); int nv50_sor_power(struct nv50_disp_priv *, int, u32); +int nv94_sor_dp_train(struct nv50_disp_priv *, int, int, u16, u16, u32, + struct dcb_output *); +int nv94_sor_dp_lnkctl(struct nv50_disp_priv *, int, int, int, u16, u16, u32, + struct dcb_output *); +int nv94_sor_dp_drvctl(struct nv50_disp_priv *, int, int, int, u16, u16, u32, + struct dcb_output *); + int nvd0_hda_eld(struct nv50_disp_priv *, int, u8 *, u32); int nvd0_hdmi_ctrl(struct nv50_disp_priv *, int, int, u32); diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c index 36eb89c..3f3cc83 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c @@ -84,6 +84,9 @@ nv94_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, priv->dac.power = nv50_dac_power; priv->dac.sense = nv50_dac_sense; priv->sor.power = nv50_sor_power; + priv->sor.dp_train = nv94_sor_dp_train; + priv->sor.dp_lnkctl = nv94_sor_dp_lnkctl; + priv->sor.dp_drvctl = nv94_sor_dp_drvctl; INIT_LIST_HEAD(&priv->base.vblank.list); spin_lock_init(&priv->base.vblank.lock); diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c index 398bb87..5a85d77 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c @@ -85,6 +85,9 @@ nva3_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, priv->dac.power = nv50_dac_power; priv->dac.sense = nv50_dac_sense; priv->sor.power = nv50_sor_power; + priv->sor.dp_train = nv94_sor_dp_train; + priv->sor.dp_lnkctl = nv94_sor_dp_lnkctl; + priv->sor.dp_drvctl = nv94_sor_dp_drvctl; INIT_LIST_HEAD(&priv->base.vblank.list); spin_lock_init(&priv->base.vblank.lock); diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c new file mode 100644 index 0000000..49bcc76 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c @@ -0,0 +1,132 @@ +/* + * 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 +#include + +#include +#include +#include +#include + +#include "nv50.h" + +static inline u32 +nv94_sor_dp_lane_map(struct nv50_disp_priv *priv, u8 lane) +{ + static const u8 nvaf[] = { 24, 16, 8, 0 }; /* thanks, apple.. */ + static const u8 nv94[] = { 16, 8, 0, 24 }; + if (nv_device(priv)->chipset == 0xaf) + return nvaf[lane]; + return nv94[lane]; +} + +int +nv94_sor_dp_train(struct nv50_disp_priv *priv, int or, int link, + u16 type, u16 mask, u32 data, struct dcb_output *info) +{ + const u32 loff = (or * 0x800) + (link * 0x80); + const u32 patt = (data & NV94_DISP_SOR_DP_TRAIN_PATTERN); + nv_mask(priv, 0x61c10c + loff, 0x0f000000, patt << 24); + return 0; +} + +int +nv94_sor_dp_lnkctl(struct nv50_disp_priv *priv, int or, int link, int head, + u16 type, u16 mask, u32 data, struct dcb_output *dcbo) +{ + struct nouveau_bios *bios = nouveau_bios(priv); + const u32 loff = (or * 0x800) + (link * 0x80); + const u32 soff = (or * 0x800); + u16 link_bw = (data & NV94_DISP_SOR_DP_LNKCTL_WIDTH) >> 8; + u8 link_nr = (data & NV94_DISP_SOR_DP_LNKCTL_COUNT); + u32 dpctrl = 0x00000000; + u32 clksor = 0x00000000; + u32 outp, lane = 0; + u8 ver, hdr, cnt, len; + struct nvbios_dpout info; + int i; + + /* -> 10Khz units */ + link_bw *= 2700; + + outp = nvbios_dpout_match(bios, type, mask, &ver, &hdr, &cnt, &len, &info); + if (outp && info.lnkcmp) { + struct nvbios_init init = { + .subdev = nv_subdev(priv), + .bios = bios, + .offset = 0x0000, + .outp = dcbo, + .crtc = head, + .execute = 1, + }; + + while (link_bw < nv_ro16(bios, info.lnkcmp)) + info.lnkcmp += 4; + init.offset = nv_ro16(bios, info.lnkcmp + 2); + + nvbios_exec(&init); + } + + dpctrl |= ((1 << link_nr) - 1) << 16; + if (data & NV94_DISP_SOR_DP_LNKCTL_FRAME_ENH) + dpctrl |= 0x00004000; + if (link_bw > 16200) + clksor |= 0x00040000; + + for (i = 0; i < link_nr; i++) + lane |= 1 << (nv94_sor_dp_lane_map(priv, i) >> 3); + + nv_mask(priv, 0x614300 + soff, 0x000c0000, clksor); + nv_mask(priv, 0x61c10c + loff, 0x001f4000, dpctrl); + nv_mask(priv, 0x61c130 + loff, 0x0000000f, lane); + return 0; +} + +int +nv94_sor_dp_drvctl(struct nv50_disp_priv *priv, int or, int link, int lane, + u16 type, u16 mask, u32 data, struct dcb_output *dcbo) +{ + struct nouveau_bios *bios = nouveau_bios(priv); + const u32 loff = (or * 0x800) + (link * 0x80); + const u8 swing = (data & NV94_DISP_SOR_DP_DRVCTL_VS) >> 8; + const u8 preem = (data & NV94_DISP_SOR_DP_DRVCTL_PE); + u32 addr, shift = nv94_sor_dp_lane_map(priv, lane); + u8 ver, hdr, cnt, len; + struct nvbios_dpout outp; + struct nvbios_dpcfg ocfg; + + addr = nvbios_dpout_match(bios, type, mask, &ver, &hdr, &cnt, &len, &outp); + if (!addr) + return -ENODEV; + + addr = nvbios_dpcfg_match(bios, addr, 0, swing, preem, &ver, &hdr, &cnt, &len, &ocfg); + if (!addr) + return -EINVAL; + + nv_mask(priv, 0x61c118 + loff, 0x000000ff << shift, ocfg.drv << shift); + nv_mask(priv, 0x61c120 + loff, 0x000000ff << shift, ocfg.pre << shift); + nv_mask(priv, 0x61c130 + loff, 0x0000ff00, ocfg.unk << 8); + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c index 5498f0e..d2aab65 100644 --- a/drivers/gpu/drm/nouveau/nv50_sor.c +++ b/drivers/gpu/drm/nouveau/nv50_sor.c @@ -40,94 +40,37 @@ #include -static u32 -nv50_sor_dp_lane_map(struct drm_device *dev, struct dcb_output *dcb, u8 lane) -{ - struct nouveau_drm *drm = nouveau_drm(dev); - static const u8 nvaf[] = { 24, 16, 8, 0 }; /* thanks, apple.. */ - static const u8 nv50[] = { 16, 8, 0, 24 }; - if (nv_device(drm->device)->chipset == 0xaf) - return nvaf[lane]; - return nv50[lane]; -} - static void nv50_sor_dp_train_set(struct drm_device *dev, struct dcb_output *dcb, u8 pattern) { - struct nouveau_device *device = nouveau_dev(dev); - u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); - nv_mask(device, NV50_SOR_DP_CTRL(or, link), 0x0f000000, pattern << 24); + struct nv50_display *disp = nv50_display(dev); + const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); + const u32 moff = (link << 2) | or; + nv_call(disp->core, NV94_DISP_SOR_DP_TRAIN + moff, pattern); } static void nv50_sor_dp_train_adj(struct drm_device *dev, struct dcb_output *dcb, u8 lane, u8 swing, u8 preem) { - struct nouveau_device *device = nouveau_dev(dev); - struct nouveau_drm *drm = nouveau_drm(dev); - u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); - u32 shift = nv50_sor_dp_lane_map(dev, dcb, lane); - u32 mask = 0x000000ff << shift; - u8 *table, *entry, *config; - - table = nouveau_dp_bios_data(dev, dcb, &entry); - if (!table || (table[0] != 0x20 && table[0] != 0x21)) { - NV_ERROR(drm, "PDISP: unsupported DP table for chipset\n"); - return; - } - - config = entry + table[4]; - while (config[0] != swing || config[1] != preem) { - config += table[5]; - if (config >= entry + table[4] + entry[4] * table[5]) - return; - } - - nv_mask(device, NV50_SOR_DP_UNK118(or, link), mask, config[2] << shift); - nv_mask(device, NV50_SOR_DP_UNK120(or, link), mask, config[3] << shift); - nv_mask(device, NV50_SOR_DP_UNK130(or, link), 0x0000ff00, config[4] << 8); + struct nv50_display *disp = nv50_display(dev); + const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); + const u32 moff = (link << 2) | or; + const u32 data = (swing << 8) | preem; + nv_call(disp->core, NV94_DISP_SOR_DP_DRVCTL(lane) + moff, data); } static void nv50_sor_dp_link_set(struct drm_device *dev, struct dcb_output *dcb, int crtc, int link_nr, u32 link_bw, bool enhframe) { - struct nouveau_device *device = nouveau_dev(dev); - struct nouveau_drm *drm = nouveau_drm(dev); - u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); - u32 dpctrl = nv_rd32(device, NV50_SOR_DP_CTRL(or, link)) & ~0x001f4000; - u32 clksor = nv_rd32(device, 0x614300 + (or * 0x800)) & ~0x000c0000; - u8 *table, *entry, mask; - int i; - - table = nouveau_dp_bios_data(dev, dcb, &entry); - if (!table || (table[0] != 0x20 && table[0] != 0x21)) { - NV_ERROR(drm, "PDISP: unsupported DP table for chipset\n"); - return; - } - - entry = ROMPTR(dev, entry[10]); - if (entry) { - while (link_bw < ROM16(entry[0]) * 10) - entry += 4; - - nouveau_bios_run_init_table(dev, ROM16(entry[2]), dcb, crtc); - } - - dpctrl |= ((1 << link_nr) - 1) << 16; + struct nv50_display *disp = nv50_display(dev); + const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); + const u32 moff = (crtc << 3) | (link << 2) | or; + u32 data = ((link_bw / 27000) << 8) | link_nr; if (enhframe) - dpctrl |= 0x00004000; - - if (link_bw > 162000) - clksor |= 0x00040000; - - nv_wr32(device, 0x614300 + (or * 0x800), clksor); - nv_wr32(device, NV50_SOR_DP_CTRL(or, link), dpctrl); - - mask = 0; - for (i = 0; i < link_nr; i++) - mask |= 1 << (nv50_sor_dp_lane_map(dev, dcb, i) >> 3); - nv_mask(device, NV50_SOR_DP_UNK130(or, link), 0x0000000f, mask); + data |= NV94_DISP_SOR_DP_LNKCTL_FRAME_ENH; + nv_call(disp->core, NV94_DISP_SOR_DP_LNKCTL + moff, data); } static void