Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nvkm / engine / disp / sorgf110.c
diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf110.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf110.c
new file mode 100644 (file)
index 0000000..52fbe48
--- /dev/null
@@ -0,0 +1,124 @@
+/*
+ * 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 "outpdp.h"
+
+static inline u32
+gf110_sor_soff(struct nvkm_output_dp *outp)
+{
+       return (ffs(outp->base.info.or) - 1) * 0x800;
+}
+
+static inline u32
+gf110_sor_loff(struct nvkm_output_dp *outp)
+{
+       return gf110_sor_soff(outp) + !(outp->base.info.sorconf.link & 1) * 0x80;
+}
+
+static inline u32
+gf110_sor_dp_lane_map(struct nv50_disp_priv *priv, u8 lane)
+{
+       static const u8 gf110[] = { 16, 8, 0, 24 };
+       return gf110[lane];
+}
+
+static int
+gf110_sor_dp_pattern(struct nvkm_output_dp *outp, int pattern)
+{
+       struct nv50_disp_priv *priv = (void *)nvkm_disp(outp);
+       const u32 loff = gf110_sor_loff(outp);
+       nv_mask(priv, 0x61c110 + loff, 0x0f0f0f0f, 0x01010101 * pattern);
+       return 0;
+}
+
+int
+gf110_sor_dp_lnk_ctl(struct nvkm_output_dp *outp, int nr, int bw, bool ef)
+{
+       struct nv50_disp_priv *priv = (void *)nvkm_disp(outp);
+       const u32 soff = gf110_sor_soff(outp);
+       const u32 loff = gf110_sor_loff(outp);
+       u32 dpctrl = 0x00000000;
+       u32 clksor = 0x00000000;
+
+       clksor |= bw << 18;
+       dpctrl |= ((1 << nr) - 1) << 16;
+       if (ef)
+               dpctrl |= 0x00004000;
+
+       nv_mask(priv, 0x612300 + soff, 0x007c0000, clksor);
+       nv_mask(priv, 0x61c10c + loff, 0x001f4000, dpctrl);
+       return 0;
+}
+
+static int
+gf110_sor_dp_drv_ctl(struct nvkm_output_dp *outp,
+                    int ln, int vs, int pe, int pc)
+{
+       struct nv50_disp_priv *priv = (void *)nvkm_disp(outp);
+       struct nvkm_bios *bios = nvkm_bios(priv);
+       const u32 shift = gf110_sor_dp_lane_map(priv, ln);
+       const u32 loff = gf110_sor_loff(outp);
+       u32 addr, data[4];
+       u8  ver, hdr, cnt, len;
+       struct nvbios_dpout info;
+       struct nvbios_dpcfg ocfg;
+
+       addr = nvbios_dpout_match(bios, outp->base.info.hasht,
+                                       outp->base.info.hashm,
+                                 &ver, &hdr, &cnt, &len, &info);
+       if (!addr)
+               return -ENODEV;
+
+       addr = nvbios_dpcfg_match(bios, addr, pc, vs, pe,
+                                 &ver, &hdr, &cnt, &len, &ocfg);
+       if (!addr)
+               return -EINVAL;
+
+       data[0] = nv_rd32(priv, 0x61c118 + loff) & ~(0x000000ff << shift);
+       data[1] = nv_rd32(priv, 0x61c120 + loff) & ~(0x000000ff << shift);
+       data[2] = nv_rd32(priv, 0x61c130 + loff);
+       if ((data[2] & 0x0000ff00) < (ocfg.tx_pu << 8) || ln == 0)
+               data[2] = (data[2] & ~0x0000ff00) | (ocfg.tx_pu << 8);
+       nv_wr32(priv, 0x61c118 + loff, data[0] | (ocfg.dc << shift));
+       nv_wr32(priv, 0x61c120 + loff, data[1] | (ocfg.pe << shift));
+       nv_wr32(priv, 0x61c130 + loff, data[2] | (ocfg.tx_pu << 8));
+       data[3] = nv_rd32(priv, 0x61c13c + loff) & ~(0x000000ff << shift);
+       nv_wr32(priv, 0x61c13c + loff, data[3] | (ocfg.pc << shift));
+       return 0;
+}
+
+struct nvkm_output_dp_impl
+gf110_sor_dp_impl = {
+       .base.base.handle = DCB_OUTPUT_DP,
+       .base.base.ofuncs = &(struct nvkm_ofuncs) {
+               .ctor = _nvkm_output_dp_ctor,
+               .dtor = _nvkm_output_dp_dtor,
+               .init = _nvkm_output_dp_init,
+               .fini = _nvkm_output_dp_fini,
+       },
+       .pattern = gf110_sor_dp_pattern,
+       .lnk_pwr = g94_sor_dp_lnk_pwr,
+       .lnk_ctl = gf110_sor_dp_lnk_ctl,
+       .drv_ctl = gf110_sor_dp_drv_ctl,
+};