diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c new file mode 100644 index 000000000000..1e40dfe11319 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c @@ -0,0 +1,139 @@ +/* + * 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" + +#include <subdev/timer.h> + +static inline u32 +gm204_sor_soff(struct nvkm_output_dp *outp) +{ + return (ffs(outp->base.info.or) - 1) * 0x800; +} + +static inline u32 +gm204_sor_loff(struct nvkm_output_dp *outp) +{ + return gm204_sor_soff(outp) + !(outp->base.info.sorconf.link & 1) * 0x80; +} + +void +gm204_sor_magic(struct nvkm_output *outp) +{ + struct nv50_disp_priv *priv = (void *)nvkm_disp(outp); + const u32 soff = outp->or * 0x100; + const u32 data = outp->or + 1; + if (outp->info.sorconf.link & 1) + nv_mask(priv, 0x612308 + soff, 0x0000001f, 0x00000000 | data); + if (outp->info.sorconf.link & 2) + nv_mask(priv, 0x612388 + soff, 0x0000001f, 0x00000010 | data); +} + +static inline u32 +gm204_sor_dp_lane_map(struct nv50_disp_priv *priv, u8 lane) +{ + return lane * 0x08; +} + +static int +gm204_sor_dp_pattern(struct nvkm_output_dp *outp, int pattern) +{ + struct nv50_disp_priv *priv = (void *)nvkm_disp(outp); + const u32 soff = gm204_sor_soff(outp); + const u32 data = 0x01010101 * pattern; + if (outp->base.info.sorconf.link & 1) + nv_mask(priv, 0x61c110 + soff, 0x0f0f0f0f, data); + else + nv_mask(priv, 0x61c12c + soff, 0x0f0f0f0f, data); + return 0; +} + +static int +gm204_sor_dp_lnk_pwr(struct nvkm_output_dp *outp, int nr) +{ + struct nv50_disp_priv *priv = (void *)nvkm_disp(outp); + const u32 soff = gm204_sor_soff(outp); + const u32 loff = gm204_sor_loff(outp); + u32 mask = 0, i; + + for (i = 0; i < nr; i++) + mask |= 1 << (gm204_sor_dp_lane_map(priv, i) >> 3); + + nv_mask(priv, 0x61c130 + loff, 0x0000000f, mask); + nv_mask(priv, 0x61c034 + soff, 0x80000000, 0x80000000); + nv_wait(priv, 0x61c034 + soff, 0x80000000, 0x00000000); + return 0; +} + +static int +gm204_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 = gm204_sor_dp_lane_map(priv, ln); + const u32 loff = gm204_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 +gm204_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 = gm204_sor_dp_pattern, + .lnk_pwr = gm204_sor_dp_lnk_pwr, + .lnk_ctl = gf110_sor_dp_lnk_ctl, + .drv_ctl = gm204_sor_dp_drv_ctl, +}; |