cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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disp.h (3161B)

      1#ifndef __NV50_KMS_H__
      2#define __NV50_KMS_H__
      3#include <linux/workqueue.h>
      4#include <nvif/mem.h>
      5#include <nvif/push.h>
      6
      7#include "nouveau_display.h"
      8
      9struct nv50_msto;
     10struct nouveau_encoder;
     11
     12struct nv50_disp {
     13	struct nvif_disp *disp;
     14	struct nv50_core *core;
     15	struct nvif_object caps;
     16
     17#define NV50_DISP_SYNC(c, o)                                ((c) * 0x040 + (o))
     18#define NV50_DISP_CORE_NTFY                       NV50_DISP_SYNC(0      , 0x00)
     19#define NV50_DISP_WNDW_SEM0(c)                    NV50_DISP_SYNC(1 + (c), 0x00)
     20#define NV50_DISP_WNDW_SEM1(c)                    NV50_DISP_SYNC(1 + (c), 0x10)
     21#define NV50_DISP_WNDW_NTFY(c)                    NV50_DISP_SYNC(1 + (c), 0x20)
     22#define NV50_DISP_BASE_SEM0(c)                    NV50_DISP_WNDW_SEM0(0 + (c))
     23#define NV50_DISP_BASE_SEM1(c)                    NV50_DISP_WNDW_SEM1(0 + (c))
     24#define NV50_DISP_BASE_NTFY(c)                    NV50_DISP_WNDW_NTFY(0 + (c))
     25#define NV50_DISP_OVLY_SEM0(c)                    NV50_DISP_WNDW_SEM0(4 + (c))
     26#define NV50_DISP_OVLY_SEM1(c)                    NV50_DISP_WNDW_SEM1(4 + (c))
     27#define NV50_DISP_OVLY_NTFY(c)                    NV50_DISP_WNDW_NTFY(4 + (c))
     28	struct nouveau_bo *sync;
     29
     30	struct mutex mutex;
     31};
     32
     33static inline struct nv50_disp *
     34nv50_disp(struct drm_device *dev)
     35{
     36	return nouveau_display(dev)->priv;
     37}
     38
     39struct nv50_disp_interlock {
     40	enum nv50_disp_interlock_type {
     41		NV50_DISP_INTERLOCK_CORE = 0,
     42		NV50_DISP_INTERLOCK_CURS,
     43		NV50_DISP_INTERLOCK_BASE,
     44		NV50_DISP_INTERLOCK_OVLY,
     45		NV50_DISP_INTERLOCK_WNDW,
     46		NV50_DISP_INTERLOCK_WIMM,
     47		NV50_DISP_INTERLOCK__SIZE
     48	} type;
     49	u32 data;
     50	u32 wimm;
     51};
     52
     53void corec37d_ntfy_init(struct nouveau_bo *, u32);
     54
     55void head907d_olut_load(struct drm_color_lut *, int size, void __iomem *);
     56
     57struct nv50_chan {
     58	struct nvif_object user;
     59	struct nvif_device *device;
     60};
     61
     62struct nv50_dmac {
     63	struct nv50_chan base;
     64
     65	struct nvif_push _push;
     66	struct nvif_push *push;
     67	u32 *ptr;
     68
     69	struct nvif_object sync;
     70	struct nvif_object vram;
     71
     72	/* Protects against concurrent pushbuf access to this channel, lock is
     73	 * grabbed by evo_wait (if the pushbuf reservation is successful) and
     74	 * dropped again by evo_kick. */
     75	struct mutex lock;
     76
     77	u32 cur;
     78	u32 put;
     79	u32 max;
     80};
     81
     82struct nv50_outp_atom {
     83	struct list_head head;
     84
     85	struct drm_encoder *encoder;
     86	bool flush_disable;
     87
     88	union nv50_outp_atom_mask {
     89		struct {
     90			bool ctrl:1;
     91		};
     92		u8 mask;
     93	} set, clr;
     94};
     95
     96int nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
     97		     const s32 *oclass, u8 head, void *data, u32 size,
     98		     s64 syncbuf, struct nv50_dmac *dmac);
     99void nv50_dmac_destroy(struct nv50_dmac *);
    100
    101/*
    102 * For normal encoders this just returns the encoder. For active MST encoders,
    103 * this returns the real outp that's driving displays on the topology.
    104 * Inactive MST encoders return NULL, since they would have no real outp to
    105 * return anyway.
    106 */
    107struct nouveau_encoder *nv50_real_outp(struct drm_encoder *encoder);
    108
    109u32 *evo_wait(struct nv50_dmac *, int nr);
    110void evo_kick(u32 *, struct nv50_dmac *);
    111
    112extern const u64 disp50xx_modifiers[];
    113extern const u64 disp90xx_modifiers[];
    114extern const u64 wndwc57e_modifiers[];
    115#endif