diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c index abedb3e86361..4f0ca709c85a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c @@ -21,11 +21,238 @@ */ #define nvkm_uoutp(p) container_of((p), struct nvkm_outp, object) #include "outp.h" +#include "dp.h" +#include "head.h" #include "ior.h" #include <nvif/if0012.h> static int +nvkm_uoutp_mthd_dp_mst_vcpi(struct nvkm_outp *outp, void *argv, u32 argc) +{ + struct nvkm_ior *ior = outp->ior; + union nvif_outp_dp_mst_vcpi_args *args = argv; + + if (argc != sizeof(args->v0) || args->v0.version != 0) + return -ENOSYS; + if (!ior->func->dp || !ior->func->dp->vcpi || !nvkm_head_find(outp->disp, args->v0.head)) + return -EINVAL; + + ior->func->dp->vcpi(ior, args->v0.head, args->v0.start_slot, args->v0.num_slots, + args->v0.pbn, args->v0.aligned_pbn); + return 0; +} + +static int +nvkm_uoutp_mthd_dp_retrain(struct nvkm_outp *outp, void *argv, u32 argc) +{ + union nvif_outp_dp_retrain_args *args = argv; + + if (argc != sizeof(args->vn)) + return -ENOSYS; + + if (!atomic_read(&outp->dp.lt.done)) + return 0; + + return outp->func->acquire(outp); +} + +static int +nvkm_uoutp_mthd_dp_aux_pwr(struct nvkm_outp *outp, void *argv, u32 argc) +{ + union nvif_outp_dp_aux_pwr_args *args = argv; + + if (argc != sizeof(args->v0) || args->v0.version != 0) + return -ENOSYS; + + outp->dp.enabled = !!args->v0.state; + nvkm_dp_enable(outp, outp->dp.enabled); + return 0; +} + +static int +nvkm_uoutp_mthd_hda_eld(struct nvkm_outp *outp, void *argv, u32 argc) +{ + struct nvkm_ior *ior = outp->ior; + union nvif_outp_hda_eld_args *args = argv; + + if (argc < sizeof(args->v0) || args->v0.version != 0) + return -ENOSYS; + argc -= sizeof(args->v0); + + if (!ior->hda || !nvkm_head_find(outp->disp, args->v0.head)) + return -EINVAL; + if (argc > 0x60) + return -E2BIG; + + if (argc && args->v0.data[0]) { + if (outp->info.type == DCB_OUTPUT_DP) + ior->func->dp->audio(ior, args->v0.head, true); + ior->func->hda->hpd(ior, args->v0.head, true); + ior->func->hda->eld(ior, args->v0.head, args->v0.data, argc); + } else { + if (outp->info.type == DCB_OUTPUT_DP) + ior->func->dp->audio(ior, args->v0.head, false); + ior->func->hda->hpd(ior, args->v0.head, false); + } + + return 0; +} + +static int +nvkm_uoutp_mthd_infoframe(struct nvkm_outp *outp, void *argv, u32 argc) +{ + struct nvkm_ior *ior = outp->ior; + union nvif_outp_infoframe_args *args = argv; + ssize_t size = argc - sizeof(*args); + + if (argc < sizeof(args->v0) || args->v0.version != 0) + return -ENOSYS; + if (!nvkm_head_find(outp->disp, args->v0.head)) + return -EINVAL; + + switch (ior->func->hdmi ? args->v0.type : 0xff) { + case NVIF_OUTP_INFOFRAME_V0_AVI: + ior->func->hdmi->infoframe_avi(ior, args->v0.head, &args->v0.data, size); + return 0; + case NVIF_OUTP_INFOFRAME_V0_VSI: + ior->func->hdmi->infoframe_vsi(ior, args->v0.head, &args->v0.data, size); + return 0; + default: + break; + } + + return -EINVAL; +} + +static int +nvkm_uoutp_mthd_release(struct nvkm_outp *outp, void *argv, u32 argc) +{ + struct nvkm_head *head = outp->asy.head; + struct nvkm_ior *ior = outp->ior; + union nvif_outp_release_args *args = argv; + + if (argc != sizeof(args->vn)) + return -ENOSYS; + + if (ior->func->hdmi && head) { + ior->func->hdmi->infoframe_avi(ior, head->id, NULL, 0); + ior->func->hdmi->infoframe_vsi(ior, head->id, NULL, 0); + ior->func->hdmi->ctrl(ior, head->id, false, 0, 0); + } + + nvkm_outp_release(outp, NVKM_OUTP_USER); + return 0; +} + +static int +nvkm_uoutp_mthd_acquire_dp(struct nvkm_outp *outp, u8 dpcd[16], + u8 link_nr, u8 link_bw, bool hda, bool mst) +{ + int ret; + + ret = nvkm_outp_acquire(outp, NVKM_OUTP_USER, hda); + if (ret) + return ret; + + memcpy(outp->dp.dpcd, dpcd, sizeof(outp->dp.dpcd)); + outp->dp.lt.nr = link_nr; + outp->dp.lt.bw = link_bw; + outp->dp.lt.mst = mst; + return 0; +} + +static int +nvkm_uoutp_mthd_acquire_tmds(struct nvkm_outp *outp, u8 head, u8 hdmi, u8 hdmi_max_ac_packet, + u8 hdmi_rekey, u8 hdmi_scdc, u8 hdmi_hda) +{ + struct nvkm_ior *ior; + int ret; + + if (!(outp->asy.head = nvkm_head_find(outp->disp, head))) + return -EINVAL; + + ret = nvkm_outp_acquire(outp, NVKM_OUTP_USER, hdmi && hdmi_hda); + if (ret) + return ret; + + ior = outp->ior; + + if (hdmi) { + if (!ior->func->hdmi || + hdmi_max_ac_packet > 0x1f || hdmi_rekey > 0x7f || + (hdmi_scdc && !ior->func->hdmi->scdc)) { + nvkm_outp_release(outp, NVKM_OUTP_USER); + return -EINVAL; + } + + ior->func->hdmi->ctrl(ior, head, hdmi, hdmi_max_ac_packet, hdmi_rekey); + if (ior->func->hdmi->scdc) + ior->func->hdmi->scdc(ior, hdmi_scdc); + } + + return 0; +} + +static int +nvkm_uoutp_mthd_acquire_lvds(struct nvkm_outp *outp, bool dual, bool bpc8) +{ + if (outp->info.type != DCB_OUTPUT_LVDS) + return -EINVAL; + + outp->lvds.dual = dual; + outp->lvds.bpc8 = bpc8; + + return nvkm_outp_acquire(outp, NVKM_OUTP_USER, false); +} + +static int +nvkm_uoutp_mthd_acquire(struct nvkm_outp *outp, void *argv, u32 argc) +{ + union nvif_outp_acquire_args *args = argv; + int ret; + + if (argc != sizeof(args->v0) || args->v0.version != 0) + return -ENOSYS; + if (outp->ior) + return -EBUSY; + + switch (args->v0.proto) { + case NVIF_OUTP_ACQUIRE_V0_RGB_CRT: + ret = nvkm_outp_acquire(outp, NVKM_OUTP_USER, false); + break; + case NVIF_OUTP_ACQUIRE_V0_TMDS: + ret = nvkm_uoutp_mthd_acquire_tmds(outp, args->v0.tmds.head, + args->v0.tmds.hdmi, + args->v0.tmds.hdmi_max_ac_packet, + args->v0.tmds.hdmi_rekey, + args->v0.tmds.hdmi_scdc, + args->v0.tmds.hdmi_hda); + break; + case NVIF_OUTP_ACQUIRE_V0_LVDS: + ret = nvkm_uoutp_mthd_acquire_lvds(outp, args->v0.lvds.dual, args->v0.lvds.bpc8); + break; + case NVIF_OUTP_ACQUIRE_V0_DP: + ret = nvkm_uoutp_mthd_acquire_dp(outp, args->v0.dp.dpcd, + args->v0.dp.link_nr, + args->v0.dp.link_bw, + args->v0.dp.hda != 0, + args->v0.dp.mst != 0); + break; + default: + ret = -EINVAL; + break; + } + + if (ret) + return ret; + + args->v0.or = outp->ior->id; + args->v0.link = outp->ior->asy.link; + return 0; +} + +static int nvkm_uoutp_mthd_load_detect(struct nvkm_outp *outp, void *argv, u32 argc) { union nvif_outp_load_detect_args *args = argv; @@ -49,10 +276,28 @@ nvkm_uoutp_mthd_load_detect(struct nvkm_outp *outp, void *argv, u32 argc) } static int +nvkm_uoutp_mthd_acquired(struct nvkm_outp *outp, u32 mthd, void *argv, u32 argc) +{ + switch (mthd) { + case NVIF_OUTP_V0_RELEASE : return nvkm_uoutp_mthd_release (outp, argv, argc); + case NVIF_OUTP_V0_INFOFRAME : return nvkm_uoutp_mthd_infoframe (outp, argv, argc); + case NVIF_OUTP_V0_HDA_ELD : return nvkm_uoutp_mthd_hda_eld (outp, argv, argc); + case NVIF_OUTP_V0_DP_RETRAIN : return nvkm_uoutp_mthd_dp_retrain (outp, argv, argc); + case NVIF_OUTP_V0_DP_MST_VCPI: return nvkm_uoutp_mthd_dp_mst_vcpi(outp, argv, argc); + default: + break; + } + + return -EINVAL; +} + +static int nvkm_uoutp_mthd_noacquire(struct nvkm_outp *outp, u32 mthd, void *argv, u32 argc) { switch (mthd) { case NVIF_OUTP_V0_LOAD_DETECT: return nvkm_uoutp_mthd_load_detect(outp, argv, argc); + case NVIF_OUTP_V0_ACQUIRE : return nvkm_uoutp_mthd_acquire (outp, argv, argc); + case NVIF_OUTP_V0_DP_AUX_PWR : return nvkm_uoutp_mthd_dp_aux_pwr (outp, argv, argc); default: break; } @@ -73,6 +318,11 @@ nvkm_uoutp_mthd(struct nvkm_object *object, u32 mthd, void *argv, u32 argc) if (ret <= 0) goto done; + if (outp->ior) + ret = nvkm_uoutp_mthd_acquired(outp, mthd, argv, argc); + else + ret = -EIO; + done: mutex_unlock(&disp->super.mutex); return ret; |