cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

tvnv17.h (4322B)

      1/*
      2 * Copyright (C) 2009 Francisco Jerez.
      3 * All Rights Reserved.
      4 *
      5 * Permission is hereby granted, free of charge, to any person obtaining
      6 * a copy of this software and associated documentation files (the
      7 * "Software"), to deal in the Software without restriction, including
      8 * without limitation the rights to use, copy, modify, merge, publish,
      9 * distribute, sublicense, and/or sell copies of the Software, and to
     10 * permit persons to whom the Software is furnished to do so, subject to
     11 * the following conditions:
     12 *
     13 * The above copyright notice and this permission notice (including the
     14 * next paragraph) shall be included in all copies or substantial
     15 * portions of the Software.
     16 *
     17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
     21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     24 *
     25 */
     26
     27#ifndef __NV17_TV_H__
     28#define __NV17_TV_H__
     29
     30struct nv17_tv_state {
     31	uint8_t tv_enc[0x40];
     32
     33	uint32_t hfilter[4][7];
     34	uint32_t hfilter2[4][7];
     35	uint32_t vfilter[4][7];
     36
     37	uint32_t ptv_200;
     38	uint32_t ptv_204;
     39	uint32_t ptv_208;
     40	uint32_t ptv_20c;
     41	uint32_t ptv_304;
     42	uint32_t ptv_500;
     43	uint32_t ptv_504;
     44	uint32_t ptv_508;
     45	uint32_t ptv_600;
     46	uint32_t ptv_604;
     47	uint32_t ptv_608;
     48	uint32_t ptv_60c;
     49	uint32_t ptv_610;
     50	uint32_t ptv_614;
     51};
     52
     53enum nv17_tv_norm{
     54	TV_NORM_PAL,
     55	TV_NORM_PAL_M,
     56	TV_NORM_PAL_N,
     57	TV_NORM_PAL_NC,
     58	TV_NORM_NTSC_M,
     59	TV_NORM_NTSC_J,
     60	NUM_LD_TV_NORMS,
     61	TV_NORM_HD480I = NUM_LD_TV_NORMS,
     62	TV_NORM_HD480P,
     63	TV_NORM_HD576I,
     64	TV_NORM_HD576P,
     65	TV_NORM_HD720P,
     66	TV_NORM_HD1080I,
     67	NUM_TV_NORMS
     68};
     69
     70struct nv17_tv_encoder {
     71	struct nouveau_encoder base;
     72
     73	struct nv17_tv_state state;
     74	struct nv17_tv_state saved_state;
     75
     76	int overscan;
     77	int flicker;
     78	int saturation;
     79	int hue;
     80	enum nv17_tv_norm tv_norm;
     81	int subconnector;
     82	int select_subconnector;
     83	uint32_t pin_mask;
     84};
     85#define to_tv_enc(x) container_of(nouveau_encoder(x),		\
     86				  struct nv17_tv_encoder, base)
     87
     88extern const char * const nv17_tv_norm_names[NUM_TV_NORMS];
     89
     90extern struct nv17_tv_norm_params {
     91	enum {
     92		TV_ENC_MODE,
     93		CTV_ENC_MODE,
     94	} kind;
     95
     96	union {
     97		struct {
     98			int hdisplay;
     99			int vdisplay;
    100			int vrefresh; /* mHz */
    101
    102			uint8_t tv_enc[0x40];
    103		} tv_enc_mode;
    104
    105		struct {
    106			struct drm_display_mode mode;
    107
    108			uint32_t ctv_regs[38];
    109		} ctv_enc_mode;
    110	};
    111
    112} nv17_tv_norms[NUM_TV_NORMS];
    113#define get_tv_norm(enc) (&nv17_tv_norms[to_tv_enc(enc)->tv_norm])
    114
    115extern const struct drm_display_mode nv17_tv_modes[];
    116
    117static inline int interpolate(int y0, int y1, int y2, int x)
    118{
    119	return y1 + (x < 50 ? y1 - y0 : y2 - y1) * (x - 50) / 50;
    120}
    121
    122void nv17_tv_state_save(struct drm_device *dev, struct nv17_tv_state *state);
    123void nv17_tv_state_load(struct drm_device *dev, struct nv17_tv_state *state);
    124void nv17_tv_update_properties(struct drm_encoder *encoder);
    125void nv17_tv_update_rescaler(struct drm_encoder *encoder);
    126void nv17_ctv_update_rescaler(struct drm_encoder *encoder);
    127
    128/* TV hardware access functions */
    129
    130static inline void nv_write_ptv(struct drm_device *dev, uint32_t reg,
    131				uint32_t val)
    132{
    133	struct nvif_device *device = &nouveau_drm(dev)->client.device;
    134	nvif_wr32(&device->object, reg, val);
    135}
    136
    137static inline uint32_t nv_read_ptv(struct drm_device *dev, uint32_t reg)
    138{
    139	struct nvif_device *device = &nouveau_drm(dev)->client.device;
    140	return nvif_rd32(&device->object, reg);
    141}
    142
    143static inline void nv_write_tv_enc(struct drm_device *dev, uint8_t reg,
    144				   uint8_t val)
    145{
    146	nv_write_ptv(dev, NV_PTV_TV_INDEX, reg);
    147	nv_write_ptv(dev, NV_PTV_TV_DATA, val);
    148}
    149
    150static inline uint8_t nv_read_tv_enc(struct drm_device *dev, uint8_t reg)
    151{
    152	nv_write_ptv(dev, NV_PTV_TV_INDEX, reg);
    153	return nv_read_ptv(dev, NV_PTV_TV_DATA);
    154}
    155
    156#define nv_load_ptv(dev, state, reg) \
    157	nv_write_ptv(dev, NV_PTV_OFFSET + 0x##reg, state->ptv_##reg)
    158#define nv_save_ptv(dev, state, reg) \
    159	state->ptv_##reg = nv_read_ptv(dev, NV_PTV_OFFSET + 0x##reg)
    160#define nv_load_tv_enc(dev, state, reg) \
    161	nv_write_tv_enc(dev, 0x##reg, state->tv_enc[0x##reg])
    162
    163#endif