diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c | 536 |
1 files changed, 536 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c new file mode 100644 index 000000000000..186fd3ac78f6 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c @@ -0,0 +1,536 @@ +/* + * 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 "nv50.h" +#include "rootnv50.h" + +#include <subdev/bios.h> +#include <subdev/bios/disp.h> +#include <subdev/bios/init.h> +#include <subdev/bios/pll.h> +#include <subdev/devinit.h> + +void +gf119_disp_vblank_init(struct nv50_disp *disp, int head) +{ + struct nvkm_device *device = disp->base.engine.subdev.device; + nvkm_mask(device, 0x6100c0 + (head * 0x800), 0x00000001, 0x00000001); +} + +void +gf119_disp_vblank_fini(struct nv50_disp *disp, int head) +{ + struct nvkm_device *device = disp->base.engine.subdev.device; + nvkm_mask(device, 0x6100c0 + (head * 0x800), 0x00000001, 0x00000000); +} + +static struct nvkm_output * +exec_lookup(struct nv50_disp *disp, int head, int or, u32 ctrl, + u32 *data, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, + struct nvbios_outp *info) +{ + struct nvkm_subdev *subdev = &disp->base.engine.subdev; + struct nvkm_bios *bios = subdev->device->bios; + struct nvkm_output *outp; + u16 mask, type; + + if (or < 4) { + type = DCB_OUTPUT_ANALOG; + mask = 0; + } else { + or -= 4; + switch (ctrl & 0x00000f00) { + case 0x00000000: type = DCB_OUTPUT_LVDS; mask = 1; break; + case 0x00000100: type = DCB_OUTPUT_TMDS; mask = 1; break; + case 0x00000200: type = DCB_OUTPUT_TMDS; mask = 2; break; + case 0x00000500: type = DCB_OUTPUT_TMDS; mask = 3; break; + case 0x00000800: type = DCB_OUTPUT_DP; mask = 1; break; + case 0x00000900: type = DCB_OUTPUT_DP; mask = 2; break; + default: + nvkm_error(subdev, "unknown SOR mc %08x\n", ctrl); + return NULL; + } + } + + mask = 0x00c0 & (mask << 6); + mask |= 0x0001 << or; + mask |= 0x0100 << head; + + list_for_each_entry(outp, &disp->base.outp, head) { + if ((outp->info.hasht & 0xff) == type && + (outp->info.hashm & mask) == mask) { + *data = nvbios_outp_match(bios, outp->info.hasht, + outp->info.hashm, + ver, hdr, cnt, len, info); + if (!*data) + return NULL; + return outp; + } + } + + return NULL; +} + +static struct nvkm_output * +exec_script(struct nv50_disp *disp, int head, int id) +{ + struct nvkm_subdev *subdev = &disp->base.engine.subdev; + struct nvkm_device *device = subdev->device; + struct nvkm_bios *bios = device->bios; + struct nvkm_output *outp; + struct nvbios_outp info; + u8 ver, hdr, cnt, len; + u32 data, ctrl = 0; + int or; + + for (or = 0; !(ctrl & (1 << head)) && or < 8; or++) { + ctrl = nvkm_rd32(device, 0x640180 + (or * 0x20)); + if (ctrl & (1 << head)) + break; + } + + if (or == 8) + return NULL; + + outp = exec_lookup(disp, head, or, ctrl, &data, &ver, &hdr, &cnt, &len, &info); + if (outp) { + struct nvbios_init init = { + .subdev = subdev, + .bios = bios, + .offset = info.script[id], + .outp = &outp->info, + .crtc = head, + .execute = 1, + }; + + nvbios_exec(&init); + } + + return outp; +} + +static struct nvkm_output * +exec_clkcmp(struct nv50_disp *disp, int head, int id, u32 pclk, u32 *conf) +{ + struct nvkm_subdev *subdev = &disp->base.engine.subdev; + struct nvkm_device *device = subdev->device; + struct nvkm_bios *bios = device->bios; + struct nvkm_output *outp; + struct nvbios_outp info1; + struct nvbios_ocfg info2; + u8 ver, hdr, cnt, len; + u32 data, ctrl = 0; + int or; + + for (or = 0; !(ctrl & (1 << head)) && or < 8; or++) { + ctrl = nvkm_rd32(device, 0x660180 + (or * 0x20)); + if (ctrl & (1 << head)) + break; + } + + if (or == 8) + return NULL; + + outp = exec_lookup(disp, head, or, ctrl, &data, &ver, &hdr, &cnt, &len, &info1); + if (!outp) + return NULL; + + switch (outp->info.type) { + case DCB_OUTPUT_TMDS: + *conf = (ctrl & 0x00000f00) >> 8; + if (pclk >= 165000) + *conf |= 0x0100; + break; + case DCB_OUTPUT_LVDS: + *conf = disp->sor.lvdsconf; + break; + case DCB_OUTPUT_DP: + *conf = (ctrl & 0x00000f00) >> 8; + break; + case DCB_OUTPUT_ANALOG: + default: + *conf = 0x00ff; + break; + } + + data = nvbios_ocfg_match(bios, data, *conf, &ver, &hdr, &cnt, &len, &info2); + if (data && id < 0xff) { + data = nvbios_oclk_match(bios, info2.clkcmp[id], pclk); + if (data) { + struct nvbios_init init = { + .subdev = subdev, + .bios = bios, + .offset = data, + .outp = &outp->info, + .crtc = head, + .execute = 1, + }; + + nvbios_exec(&init); + } + } + + return outp; +} + +static void +gf119_disp_intr_unk1_0(struct nv50_disp *disp, int head) +{ + exec_script(disp, head, 1); +} + +static void +gf119_disp_intr_unk2_0(struct nv50_disp *disp, int head) +{ + struct nvkm_subdev *subdev = &disp->base.engine.subdev; + struct nvkm_output *outp = exec_script(disp, head, 2); + + /* see note in nv50_disp_intr_unk20_0() */ + if (outp && outp->info.type == DCB_OUTPUT_DP) { + struct nvkm_output_dp *outpdp = nvkm_output_dp(outp); + struct nvbios_init init = { + .subdev = subdev, + .bios = subdev->device->bios, + .outp = &outp->info, + .crtc = head, + .offset = outpdp->info.script[4], + .execute = 1, + }; + + nvbios_exec(&init); + atomic_set(&outpdp->lt.done, 0); + } +} + +static void +gf119_disp_intr_unk2_1(struct nv50_disp *disp, int head) +{ + struct nvkm_device *device = disp->base.engine.subdev.device; + struct nvkm_devinit *devinit = device->devinit; + u32 pclk = nvkm_rd32(device, 0x660450 + (head * 0x300)) / 1000; + if (pclk) + nvkm_devinit_pll_set(devinit, PLL_VPLL0 + head, pclk); + nvkm_wr32(device, 0x612200 + (head * 0x800), 0x00000000); +} + +static void +gf119_disp_intr_unk2_2_tu(struct nv50_disp *disp, int head, + struct dcb_output *outp) +{ + struct nvkm_device *device = disp->base.engine.subdev.device; + const int or = ffs(outp->or) - 1; + const u32 ctrl = nvkm_rd32(device, 0x660200 + (or * 0x020)); + const u32 conf = nvkm_rd32(device, 0x660404 + (head * 0x300)); + const s32 vactive = nvkm_rd32(device, 0x660414 + (head * 0x300)) & 0xffff; + const s32 vblanke = nvkm_rd32(device, 0x66041c + (head * 0x300)) & 0xffff; + const s32 vblanks = nvkm_rd32(device, 0x660420 + (head * 0x300)) & 0xffff; + const u32 pclk = nvkm_rd32(device, 0x660450 + (head * 0x300)) / 1000; + const u32 link = ((ctrl & 0xf00) == 0x800) ? 0 : 1; + const u32 hoff = (head * 0x800); + const u32 soff = ( or * 0x800); + const u32 loff = (link * 0x080) + soff; + const u32 symbol = 100000; + const u32 TU = 64; + u32 dpctrl = nvkm_rd32(device, 0x61c10c + loff); + u32 clksor = nvkm_rd32(device, 0x612300 + soff); + u32 datarate, link_nr, link_bw, bits; + u64 ratio, value; + + link_nr = hweight32(dpctrl & 0x000f0000); + link_bw = (clksor & 0x007c0000) >> 18; + link_bw *= 27000; + + /* symbols/hblank - algorithm taken from comments in tegra driver */ + value = vblanke + vactive - vblanks - 7; + value = value * link_bw; + do_div(value, pclk); + value = value - (3 * !!(dpctrl & 0x00004000)) - (12 / link_nr); + nvkm_mask(device, 0x616620 + hoff, 0x0000ffff, value); + + /* symbols/vblank - algorithm taken from comments in tegra driver */ + value = vblanks - vblanke - 25; + value = value * link_bw; + do_div(value, pclk); + value = value - ((36 / link_nr) + 3) - 1; + nvkm_mask(device, 0x616624 + hoff, 0x00ffffff, value); + + /* watermark */ + if ((conf & 0x3c0) == 0x180) bits = 30; + else if ((conf & 0x3c0) == 0x140) bits = 24; + else bits = 18; + datarate = (pclk * bits) / 8; + + ratio = datarate; + ratio *= symbol; + do_div(ratio, link_nr * link_bw); + + value = (symbol - ratio) * TU; + value *= ratio; + do_div(value, symbol); + do_div(value, symbol); + + value += 5; + value |= 0x08000000; + + nvkm_wr32(device, 0x616610 + hoff, value); +} + +static void +gf119_disp_intr_unk2_2(struct nv50_disp *disp, int head) +{ + struct nvkm_device *device = disp->base.engine.subdev.device; + struct nvkm_output *outp; + u32 pclk = nvkm_rd32(device, 0x660450 + (head * 0x300)) / 1000; + u32 conf, addr, data; + + outp = exec_clkcmp(disp, head, 0xff, pclk, &conf); + if (!outp) + return; + + /* see note in nv50_disp_intr_unk20_2() */ + if (outp->info.type == DCB_OUTPUT_DP) { + u32 sync = nvkm_rd32(device, 0x660404 + (head * 0x300)); + switch ((sync & 0x000003c0) >> 6) { + case 6: pclk = pclk * 30; break; + case 5: pclk = pclk * 24; break; + case 2: + default: + pclk = pclk * 18; + break; + } + + if (nvkm_output_dp_train(outp, pclk, true)) + OUTP_ERR(outp, "link not trained before attach"); + } else { + if (disp->func->sor.magic) + disp->func->sor.magic(outp); + } + + exec_clkcmp(disp, head, 0, pclk, &conf); + + if (outp->info.type == DCB_OUTPUT_ANALOG) { + addr = 0x612280 + (ffs(outp->info.or) - 1) * 0x800; + data = 0x00000000; + } else { + addr = 0x612300 + (ffs(outp->info.or) - 1) * 0x800; + data = (conf & 0x0100) ? 0x00000101 : 0x00000000; + switch (outp->info.type) { + case DCB_OUTPUT_TMDS: + nvkm_mask(device, addr, 0x007c0000, 0x00280000); + break; + case DCB_OUTPUT_DP: + gf119_disp_intr_unk2_2_tu(disp, head, &outp->info); + break; + default: + break; + } + } + + nvkm_mask(device, addr, 0x00000707, data); +} + +static void +gf119_disp_intr_unk4_0(struct nv50_disp *disp, int head) +{ + struct nvkm_device *device = disp->base.engine.subdev.device; + u32 pclk = nvkm_rd32(device, 0x660450 + (head * 0x300)) / 1000; + u32 conf; + + exec_clkcmp(disp, head, 1, pclk, &conf); +} + +void +gf119_disp_intr_supervisor(struct work_struct *work) +{ + struct nv50_disp *disp = + container_of(work, struct nv50_disp, supervisor); + struct nvkm_subdev *subdev = &disp->base.engine.subdev; + struct nvkm_device *device = subdev->device; + u32 mask[4]; + int head; + + nvkm_debug(subdev, "supervisor %d\n", ffs(disp->super)); + for (head = 0; head < disp->base.head.nr; head++) { + mask[head] = nvkm_rd32(device, 0x6101d4 + (head * 0x800)); + nvkm_debug(subdev, "head %d: %08x\n", head, mask[head]); + } + + if (disp->super & 0x00000001) { + nv50_disp_chan_mthd(disp->chan[0], NV_DBG_DEBUG); + for (head = 0; head < disp->base.head.nr; head++) { + if (!(mask[head] & 0x00001000)) + continue; + nvkm_debug(subdev, "supervisor 1.0 - head %d\n", head); + gf119_disp_intr_unk1_0(disp, head); + } + } else + if (disp->super & 0x00000002) { + for (head = 0; head < disp->base.head.nr; head++) { + if (!(mask[head] & 0x00001000)) + continue; + nvkm_debug(subdev, "supervisor 2.0 - head %d\n", head); + gf119_disp_intr_unk2_0(disp, head); + } + for (head = 0; head < disp->base.head.nr; head++) { + if (!(mask[head] & 0x00010000)) + continue; + nvkm_debug(subdev, "supervisor 2.1 - head %d\n", head); + gf119_disp_intr_unk2_1(disp, head); + } + for (head = 0; head < disp->base.head.nr; head++) { + if (!(mask[head] & 0x00001000)) + continue; + nvkm_debug(subdev, "supervisor 2.2 - head %d\n", head); + gf119_disp_intr_unk2_2(disp, head); + } + } else + if (disp->super & 0x00000004) { + for (head = 0; head < disp->base.head.nr; head++) { + if (!(mask[head] & 0x00001000)) + continue; + nvkm_debug(subdev, "supervisor 3.0 - head %d\n", head); + gf119_disp_intr_unk4_0(disp, head); + } + } + + for (head = 0; head < disp->base.head.nr; head++) + nvkm_wr32(device, 0x6101d4 + (head * 0x800), 0x00000000); + nvkm_wr32(device, 0x6101d0, 0x80000000); +} + +static void +gf119_disp_intr_error(struct nv50_disp *disp, int chid) +{ + struct nvkm_subdev *subdev = &disp->base.engine.subdev; + struct nvkm_device *device = subdev->device; + u32 mthd = nvkm_rd32(device, 0x6101f0 + (chid * 12)); + u32 data = nvkm_rd32(device, 0x6101f4 + (chid * 12)); + u32 unkn = nvkm_rd32(device, 0x6101f8 + (chid * 12)); + + nvkm_error(subdev, "chid %d mthd %04x data %08x %08x %08x\n", + chid, (mthd & 0x0000ffc), data, mthd, unkn); + + if (chid < ARRAY_SIZE(disp->chan)) { + switch (mthd & 0xffc) { + case 0x0080: + nv50_disp_chan_mthd(disp->chan[chid], NV_DBG_ERROR); + break; + default: + break; + } + } + + nvkm_wr32(device, 0x61009c, (1 << chid)); + nvkm_wr32(device, 0x6101f0 + (chid * 12), 0x90000000); +} + +void +gf119_disp_intr(struct nv50_disp *disp) +{ + struct nvkm_subdev *subdev = &disp->base.engine.subdev; + struct nvkm_device *device = subdev->device; + u32 intr = nvkm_rd32(device, 0x610088); + int i; + + if (intr & 0x00000001) { + u32 stat = nvkm_rd32(device, 0x61008c); + while (stat) { + int chid = __ffs(stat); stat &= ~(1 << chid); + nv50_disp_chan_uevent_send(disp, chid); + nvkm_wr32(device, 0x61008c, 1 << chid); + } + intr &= ~0x00000001; + } + + if (intr & 0x00000002) { + u32 stat = nvkm_rd32(device, 0x61009c); + int chid = ffs(stat) - 1; + if (chid >= 0) + gf119_disp_intr_error(disp, chid); + intr &= ~0x00000002; + } + + if (intr & 0x00100000) { + u32 stat = nvkm_rd32(device, 0x6100ac); + if (stat & 0x00000007) { + disp->super = (stat & 0x00000007); + schedule_work(&disp->supervisor); + nvkm_wr32(device, 0x6100ac, disp->super); + stat &= ~0x00000007; + } + + if (stat) { + nvkm_warn(subdev, "intr24 %08x\n", stat); + nvkm_wr32(device, 0x6100ac, stat); + } + + intr &= ~0x00100000; + } + + for (i = 0; i < disp->base.head.nr; i++) { + u32 mask = 0x01000000 << i; + if (mask & intr) { + u32 stat = nvkm_rd32(device, 0x6100bc + (i * 0x800)); + if (stat & 0x00000001) + nvkm_disp_vblank(&disp->base, i); + nvkm_mask(device, 0x6100bc + (i * 0x800), 0, 0); + nvkm_rd32(device, 0x6100c0 + (i * 0x800)); + } + } +} + +int +gf119_disp_new_(const struct nv50_disp_func *func, struct nvkm_device *device, + int index, struct nvkm_disp **pdisp) +{ + u32 heads = nvkm_rd32(device, 0x022448); + return nv50_disp_new_(func, device, index, heads, pdisp); +} + +static const struct nv50_disp_func +gf119_disp = { + .intr = gf119_disp_intr, + .uevent = &gf119_disp_chan_uevent, + .super = gf119_disp_intr_supervisor, + .root = &gf119_disp_root_oclass, + .head.vblank_init = gf119_disp_vblank_init, + .head.vblank_fini = gf119_disp_vblank_fini, + .head.scanoutpos = gf119_disp_root_scanoutpos, + .outp.internal.crt = nv50_dac_output_new, + .outp.internal.tmds = nv50_sor_output_new, + .outp.internal.lvds = nv50_sor_output_new, + .outp.internal.dp = gf119_sor_dp_new, + .dac.nr = 3, + .dac.power = nv50_dac_power, + .dac.sense = nv50_dac_sense, + .sor.nr = 4, + .sor.power = nv50_sor_power, + .sor.hda_eld = gf119_hda_eld, + .sor.hdmi = gf119_hdmi_ctrl, +}; + +int +gf119_disp_new(struct nvkm_device *device, int index, struct nvkm_disp **pdisp) +{ + return gf119_disp_new_(&gf119_disp, device, index, pdisp); +} |