--- /dev/null
+/*
+ * Copyright 2013 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 <subdev/bios.h>
+#include <subdev/bios/dcb.h>
+#include <subdev/bios/disp.h>
+#include <subdev/bios/init.h>
+#include <subdev/bios/pll.h>
+#include <subdev/clk/pll.h>
+#include <subdev/ibus.h>
+#include <subdev/vga.h>
+
+int
+nv50_devinit_pll_set(struct nvkm_devinit *devinit, u32 type, u32 freq)
+{
+ struct nv50_devinit_priv *priv = (void *)devinit;
+ struct nvkm_bios *bios = nvkm_bios(priv);
+ struct nvbios_pll info;
+ int N1, M1, N2, M2, P;
+ int ret;
+
+ ret = nvbios_pll_parse(bios, type, &info);
+ if (ret) {
+ nv_error(devinit, "failed to retrieve pll data, %d\n", ret);
+ return ret;
+ }
+
+ ret = nv04_pll_calc(nv_subdev(devinit), &info, freq, &N1, &M1, &N2, &M2, &P);
+ if (!ret) {
+ nv_error(devinit, "failed pll calculation\n");
+ return ret;
+ }
+
+ switch (info.type) {
+ case PLL_VPLL0:
+ case PLL_VPLL1:
+ nv_wr32(priv, info.reg + 0, 0x10000611);
+ nv_mask(priv, info.reg + 4, 0x00ff00ff, (M1 << 16) | N1);
+ nv_mask(priv, info.reg + 8, 0x7fff00ff, (P << 28) |
+ (M2 << 16) | N2);
+ break;
+ case PLL_MEMORY:
+ nv_mask(priv, info.reg + 0, 0x01ff0000, (P << 22) |
+ (info.bias_p << 19) |
+ (P << 16));
+ nv_wr32(priv, info.reg + 4, (N1 << 8) | M1);
+ break;
+ default:
+ nv_mask(priv, info.reg + 0, 0x00070000, (P << 16));
+ nv_wr32(priv, info.reg + 4, (N1 << 8) | M1);
+ break;
+ }
+
+ return 0;
+}
+
+static u64
+nv50_devinit_disable(struct nvkm_devinit *devinit)
+{
+ struct nv50_devinit_priv *priv = (void *)devinit;
+ u32 r001540 = nv_rd32(priv, 0x001540);
+ u64 disable = 0ULL;
+
+ if (!(r001540 & 0x40000000))
+ disable |= (1ULL << NVDEV_ENGINE_MPEG);
+
+ return disable;
+}
+
+int
+nv50_devinit_init(struct nvkm_object *object)
+{
+ struct nvkm_bios *bios = nvkm_bios(object);
+ struct nvkm_ibus *ibus = nvkm_ibus(object);
+ struct nv50_devinit_priv *priv = (void *)object;
+ struct nvbios_outp info;
+ struct dcb_output outp;
+ u8 ver = 0xff, hdr, cnt, len;
+ int ret, i = 0;
+
+ if (!priv->base.post) {
+ if (!nv_rdvgac(priv, 0, 0x00) &&
+ !nv_rdvgac(priv, 0, 0x1a)) {
+ nv_info(priv, "adaptor not initialised\n");
+ priv->base.post = true;
+ }
+ }
+
+ /* some boards appear to require certain priv register timeouts
+ * to be bumped before runing devinit scripts. not a clue why
+ * the vbios engineers didn't make the scripts just work...
+ */
+ if (priv->base.post && ibus)
+ nv_ofuncs(ibus)->init(nv_object(ibus));
+
+ ret = nvkm_devinit_init(&priv->base);
+ if (ret)
+ return ret;
+
+ /* if we ran the init tables, we have to execute the first script
+ * pointer of each dcb entry's display encoder table in order
+ * to properly initialise each encoder.
+ */
+ while (priv->base.post && dcb_outp_parse(bios, i, &ver, &hdr, &outp)) {
+ if (nvbios_outp_match(bios, outp.hasht, outp.hashm,
+ &ver, &hdr, &cnt, &len, &info)) {
+ struct nvbios_init init = {
+ .subdev = nv_subdev(priv),
+ .bios = bios,
+ .offset = info.script[0],
+ .outp = &outp,
+ .crtc = -1,
+ .execute = 1,
+ };
+
+ nvbios_exec(&init);
+ }
+ i++;
+ }
+
+ return 0;
+}
+
+int
+nv50_devinit_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct nv50_devinit_priv *priv;
+ int ret;
+
+ ret = nvkm_devinit_create(parent, engine, oclass, &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+struct nvkm_oclass *
+nv50_devinit_oclass = &(struct nvkm_devinit_impl) {
+ .base.handle = NV_SUBDEV(DEVINIT, 0x50),
+ .base.ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = nv50_devinit_ctor,
+ .dtor = _nvkm_devinit_dtor,
+ .init = nv50_devinit_init,
+ .fini = _nvkm_devinit_fini,
+ },
+ .pll_set = nv50_devinit_pll_set,
+ .disable = nv50_devinit_disable,
+ .post = nvbios_init,
+}.base;
Code Review / kvmfornfv.git / blobdiff