diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h new file mode 100644 index 0000000000..4e7f873f66 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h @@ -0,0 +1,98 @@ +/* SPDX-License-Identifier: MIT */ +#ifndef __NVKM_DISP_OUTP_H__ +#define __NVKM_DISP_OUTP_H__ +#include "priv.h" + +#include <drm/display/drm_dp.h> +#include <subdev/bios.h> +#include <subdev/bios/dcb.h> +#include <subdev/bios/dp.h> + +struct nvkm_outp { + const struct nvkm_outp_func *func; + struct nvkm_disp *disp; + int index; + struct dcb_output info; + + struct nvkm_i2c_bus *i2c; + + struct list_head head; + struct nvkm_conn *conn; + bool identity; + + /* Assembly state. */ +#define NVKM_OUTP_PRIV 1 +#define NVKM_OUTP_USER 2 + u8 acquired:2; + struct nvkm_ior *ior; + + union { + struct { + bool dual; + bool bpc8; + } lvds; + + struct { + struct nvbios_dpout info; + u8 version; + + struct nvkm_i2c_aux *aux; + + bool enabled; + bool aux_pwr; + bool aux_pwr_pu; + u8 lttpr[6]; + u8 lttprs; + u8 dpcd[DP_RECEIVER_CAP_SIZE]; + + struct { + int dpcd; /* -1, or index into SUPPORTED_LINK_RATES table */ + u32 rate; + } rate[8]; + int rates; + int links; + + struct mutex mutex; + struct { + atomic_t done; + u8 nr; + u8 bw; + bool mst; + } lt; + } dp; + }; + + struct nvkm_object object; + struct { + struct nvkm_head *head; + } asy; +}; + +int nvkm_outp_new_(const struct nvkm_outp_func *, struct nvkm_disp *, int index, + struct dcb_output *, struct nvkm_outp **); +int nvkm_outp_new(struct nvkm_disp *, int index, struct dcb_output *, struct nvkm_outp **); +void nvkm_outp_del(struct nvkm_outp **); +void nvkm_outp_init(struct nvkm_outp *); +void nvkm_outp_fini(struct nvkm_outp *); +int nvkm_outp_acquire(struct nvkm_outp *, u8 user, bool hda); +void nvkm_outp_release(struct nvkm_outp *, u8 user); +void nvkm_outp_route(struct nvkm_disp *); + +struct nvkm_outp_func { + void *(*dtor)(struct nvkm_outp *); + void (*init)(struct nvkm_outp *); + void (*fini)(struct nvkm_outp *); + int (*acquire)(struct nvkm_outp *); + void (*release)(struct nvkm_outp *); + void (*disable)(struct nvkm_outp *, struct nvkm_ior *); +}; + +#define OUTP_MSG(o,l,f,a...) do { \ + struct nvkm_outp *_outp = (o); \ + nvkm_##l(&_outp->disp->engine.subdev, "outp %02x:%04x:%04x: "f"\n", \ + _outp->index, _outp->info.hasht, _outp->info.hashm, ##a); \ +} while(0) +#define OUTP_ERR(o,f,a...) OUTP_MSG((o), error, f, ##a) +#define OUTP_DBG(o,f,a...) OUTP_MSG((o), debug, f, ##a) +#define OUTP_TRACE(o,f,a...) OUTP_MSG((o), trace, f, ##a) +#endif |