1/*	$NetBSD: tvnv17.h,v 1.4 2021/12/18 23:45:32 riastradh Exp $	*/
2
3/*
4 * Copyright (C) 2009 Francisco Jerez.
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining
8 * a copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sublicense, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial
17 * portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
22 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
23 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 */
28
29#ifndef __NV17_TV_H__
30#define __NV17_TV_H__
31
32struct nv17_tv_state {
33	uint8_t tv_enc[0x40];
34
35	uint32_t hfilter[4][7];
36	uint32_t hfilter2[4][7];
37	uint32_t vfilter[4][7];
38
39	uint32_t ptv_200;
40	uint32_t ptv_204;
41	uint32_t ptv_208;
42	uint32_t ptv_20c;
43	uint32_t ptv_304;
44	uint32_t ptv_500;
45	uint32_t ptv_504;
46	uint32_t ptv_508;
47	uint32_t ptv_600;
48	uint32_t ptv_604;
49	uint32_t ptv_608;
50	uint32_t ptv_60c;
51	uint32_t ptv_610;
52	uint32_t ptv_614;
53};
54
55enum nv17_tv_norm{
56	TV_NORM_PAL,
57	TV_NORM_PAL_M,
58	TV_NORM_PAL_N,
59	TV_NORM_PAL_NC,
60	TV_NORM_NTSC_M,
61	TV_NORM_NTSC_J,
62	NUM_LD_TV_NORMS,
63	TV_NORM_HD480I = NUM_LD_TV_NORMS,
64	TV_NORM_HD480P,
65	TV_NORM_HD576I,
66	TV_NORM_HD576P,
67	TV_NORM_HD720P,
68	TV_NORM_HD1080I,
69	NUM_TV_NORMS
70};
71
72struct nv17_tv_encoder {
73	struct nouveau_encoder base;
74
75	struct nv17_tv_state state;
76	struct nv17_tv_state saved_state;
77
78	int overscan;
79	int flicker;
80	int saturation;
81	int hue;
82	enum nv17_tv_norm tv_norm;
83	int subconnector;
84	int select_subconnector;
85	uint32_t pin_mask;
86};
87#define to_tv_enc(x) container_of(nouveau_encoder(x),		\
88				  struct nv17_tv_encoder, base)
89
90extern const char * const nv17_tv_norm_names[NUM_TV_NORMS];
91
92extern const struct nv17_tv_norm_params {
93	enum {
94		TV_ENC_MODE,
95		CTV_ENC_MODE,
96	} kind;
97
98	union {
99		struct {
100			int hdisplay;
101			int vdisplay;
102			int vrefresh; /* mHz */
103
104			uint8_t tv_enc[0x40];
105		} tv_enc_mode;
106
107		struct {
108			struct drm_display_mode mode;
109
110			uint32_t ctv_regs[38];
111		} ctv_enc_mode;
112	};
113
114} nv17_tv_norms[NUM_TV_NORMS];
115#define get_tv_norm(enc) (&nv17_tv_norms[to_tv_enc(enc)->tv_norm])
116
117extern const struct drm_display_mode nv17_tv_modes[];
118
119static inline int interpolate(int y0, int y1, int y2, int x)
120{
121	return y1 + (x < 50 ? y1 - y0 : y2 - y1) * (x - 50) / 50;
122}
123
124void nv17_tv_state_save(struct drm_device *dev, struct nv17_tv_state *state);
125void nv17_tv_state_load(struct drm_device *dev, struct nv17_tv_state *state);
126void nv17_tv_update_properties(struct drm_encoder *encoder);
127void nv17_tv_update_rescaler(struct drm_encoder *encoder);
128void nv17_ctv_update_rescaler(struct drm_encoder *encoder);
129
130/* TV hardware access functions */
131
132static inline void nv_write_ptv(struct drm_device *dev, uint32_t reg,
133				uint32_t val)
134{
135	struct nvif_device *device = &nouveau_drm(dev)->client.device;
136	nvif_wr32(&device->object, reg, val);
137}
138
139static inline uint32_t nv_read_ptv(struct drm_device *dev, uint32_t reg)
140{
141	struct nvif_device *device = &nouveau_drm(dev)->client.device;
142	return nvif_rd32(&device->object, reg);
143}
144
145static inline void nv_write_tv_enc(struct drm_device *dev, uint8_t reg,
146				   uint8_t val)
147{
148	nv_write_ptv(dev, NV_PTV_TV_INDEX, reg);
149	nv_write_ptv(dev, NV_PTV_TV_DATA, val);
150}
151
152static inline uint8_t nv_read_tv_enc(struct drm_device *dev, uint8_t reg)
153{
154	nv_write_ptv(dev, NV_PTV_TV_INDEX, reg);
155	return nv_read_ptv(dev, NV_PTV_TV_DATA);
156}
157
158#define nv_load_ptv(dev, state, reg) \
159	nv_write_ptv(dev, NV_PTV_OFFSET + 0x##reg, state->ptv_##reg)
160#define nv_save_ptv(dev, state, reg) \
161	state->ptv_##reg = nv_read_ptv(dev, NV_PTV_OFFSET + 0x##reg)
162#define nv_load_tv_enc(dev, state, reg) \
163	nv_write_tv_enc(dev, 0x##reg, state->tv_enc[0x##reg])
164
165#endif
166