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  
30  struct 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  
53  enum 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  
70  struct 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  
88  extern const char * const nv17_tv_norm_names[NUM_TV_NORMS];
89  
90  extern 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  
115  extern const struct drm_display_mode nv17_tv_modes[];
116  
interpolate(int y0,int y1,int y2,int x)117  static 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  
122  void nv17_tv_state_save(struct drm_device *dev, struct nv17_tv_state *state);
123  void nv17_tv_state_load(struct drm_device *dev, struct nv17_tv_state *state);
124  void nv17_tv_update_properties(struct drm_encoder *encoder);
125  void nv17_tv_update_rescaler(struct drm_encoder *encoder);
126  void nv17_ctv_update_rescaler(struct drm_encoder *encoder);
127  
128  /* TV hardware access functions */
129  
nv_write_ptv(struct drm_device * dev,uint32_t reg,uint32_t val)130  static 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  
nv_read_ptv(struct drm_device * dev,uint32_t reg)137  static 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  
nv_write_tv_enc(struct drm_device * dev,uint8_t reg,uint8_t val)143  static 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  
nv_read_tv_enc(struct drm_device * dev,uint8_t reg)150  static 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