--- /dev/null
+/*
+ * 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);
+}
Code Review / kvmfornfv.git / blobdiff