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tvnv17.h revision 1.2.2.2 
      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 *nv17_tv_norm_names[NUM_TV_NORMS];
     89 
     90 extern const 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 
    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 
    130 static inline void nv_write_ptv(struct drm_device *dev, uint32_t reg,
    131 				uint32_t val)
    132 {
    133 	struct nouveau_device *device = nouveau_dev(dev);
    134 	nv_wr32(device, reg, val);
    135 }
    136 
    137 static inline uint32_t nv_read_ptv(struct drm_device *dev, uint32_t reg)
    138 {
    139 	struct nouveau_device *device = nouveau_dev(dev);
    140 	return nv_rd32(device, reg);
    141 }
    142 
    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 
    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