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
164