1 /* SPDX-License-Identifier: MIT */ 2 #ifndef __NVKM_DISP_OUTP_H__ 3 #define __NVKM_DISP_OUTP_H__ 4 #include "priv.h" 5 #include <core/notify.h> 6 7 #include <subdev/bios.h> 8 #include <subdev/bios/dcb.h> 9 #include <subdev/bios/dp.h> 10 11 struct nvkm_outp { 12 const struct nvkm_outp_func *func; 13 struct nvkm_disp *disp; 14 int index; 15 struct dcb_output info; 16 17 struct nvkm_i2c_bus *i2c; 18 19 struct list_head head; 20 struct nvkm_conn *conn; 21 bool identity; 22 23 /* Assembly state. */ 24 #define NVKM_OUTP_PRIV 1 25 #define NVKM_OUTP_USER 2 26 u8 acquired:2; 27 struct nvkm_ior *ior; 28 29 union { 30 struct { 31 struct nvbios_dpout info; 32 u8 version; 33 34 struct nvkm_i2c_aux *aux; 35 36 struct nvkm_notify hpd; 37 bool present; 38 u8 lttpr[6]; 39 u8 lttprs; 40 u8 dpcd[16]; 41 42 struct { 43 int dpcd; /* -1, or index into SUPPORTED_LINK_RATES table */ 44 u32 rate; 45 } rate[8]; 46 int rates; 47 int links; 48 49 struct mutex mutex; 50 struct { 51 atomic_t done; 52 bool mst; 53 } lt; 54 } dp; 55 }; 56 57 struct nvkm_object object; 58 }; 59 60 int nvkm_outp_new_(const struct nvkm_outp_func *, struct nvkm_disp *, int index, 61 struct dcb_output *, struct nvkm_outp **); 62 int nvkm_outp_new(struct nvkm_disp *, int index, struct dcb_output *, struct nvkm_outp **); 63 void nvkm_outp_del(struct nvkm_outp **); 64 void nvkm_outp_init(struct nvkm_outp *); 65 void nvkm_outp_fini(struct nvkm_outp *); 66 int nvkm_outp_acquire(struct nvkm_outp *, u8 user, bool hda); 67 void nvkm_outp_release(struct nvkm_outp *, u8 user); 68 void nvkm_outp_route(struct nvkm_disp *); 69 70 struct nvkm_outp_func { 71 void *(*dtor)(struct nvkm_outp *); 72 void (*init)(struct nvkm_outp *); 73 void (*fini)(struct nvkm_outp *); 74 int (*acquire)(struct nvkm_outp *); 75 void (*release)(struct nvkm_outp *); 76 void (*disable)(struct nvkm_outp *, struct nvkm_ior *); 77 }; 78 79 #define OUTP_MSG(o,l,f,a...) do { \ 80 struct nvkm_outp *_outp = (o); \ 81 nvkm_##l(&_outp->disp->engine.subdev, "outp %02x:%04x:%04x: "f"\n", \ 82 _outp->index, _outp->info.hasht, _outp->info.hashm, ##a); \ 83 } while(0) 84 #define OUTP_ERR(o,f,a...) OUTP_MSG((o), error, f, ##a) 85 #define OUTP_DBG(o,f,a...) OUTP_MSG((o), debug, f, ##a) 86 #define OUTP_TRACE(o,f,a...) OUTP_MSG((o), trace, f, ##a) 87 #endif 88