util.h

   1 /*-
   2  * Copyright (C) 2011, 2012 glevand <geoffrey.levand@mail.ru>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer,
  10  *    without modification, immediately at the beginning of the file.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  27  */
  28
  29 #ifndef _UTIL_H
  30 #define _UTIL_H
  31
  32 #define ARRAY_SIZE(_a)          (sizeof(_a) / sizeof((_a)[0]))
  33 #define ROUNDUP(_x, _y)         ((((_x) + ((_y) - 1)) / (_y)) * (_y))
  34
  35 struct surface_desc {
  36         uint32_t sd_color_loc[4];
  37         uint32_t sd_color_off[4];
  38         uint32_t sd_color_pitch[4];
  39         uint8_t sd_color_fmt;
  40         uint8_t sd_color_target;
  41         uint32_t sd_depth_loc;
  42         uint32_t sd_depth_off;
  43         uint32_t sd_depth_pitch;
  44         uint8_t sd_depth_fmt;
  45         uint16_t sd_x;
  46         uint16_t sd_y;
  47         uint16_t sd_w;
  48         uint16_t sd_h;
  49 };
  50
  51 static inline void
  52 memset32(void *buf, uint32_t val, int word_count)
  53 {
  54         uint32_t *ptr = buf;
  55
  56         while (word_count--)
  57                 *ptr++ = val;
  58 }
  59
  60 static inline uint32_t
  61 get_channel_id(const volatile void *driver_info)
  62 {
  63         return (*(uint32_t *) ((uint8_t *) driver_info + 0xc));
  64 }
  65
  66 static inline int
  67 get_flip_status(const volatile void *driver_info, uint8_t head)
  68 {
  69         uint32_t val;
  70
  71         val =  *(uint32_t *) ((uint8_t *) driver_info + 0x10c0 + head * 0x40);
  72
  73         return !(val >> 31);
  74 }
  75
  76 static inline int
  77 wait_fifo_idle(volatile uint32_t *control)
  78 {
  79         int count = 10000;
  80
  81         while (count--) {
  82                 if (control[0x10] == control[0x11])
  83                         break;
  84
  85                 usleep(100);
  86         }
  87
  88         if (control[0x10] != control[0x11])
  89                 return (-1);
  90
  91         return (0);
  92 }
  93
  94 /*
  95  * How to convert image to JPG format:
  96  *
  97  * convert -depth 8 -size 1920x1080 rgba:image.argb \
  98  *      -channel All -separate -clone 0 -delete 0 -combine -channel BA \
  99  *      -negate +channel -background white -flatten image.jpg
 100  *
 101  * convert image.jpg -resize 640x480 image_small.jpg
 102  */
 103 int save_image(const char *filename, const char *buf, int len);
 104
 105 void dump_fifo(FILE *fp, const uint32_t *fifo, unsigned int word_count);
 106
 107 int transfer_data(uint32_t *fifo, uint32_t src, uint32_t dst,
 108     uint32_t dst_offset, int32_t dst_pitch,
 109     uint32_t src_offset, int32_t src_pitch,
 110     uint32_t row_length, uint32_t row_count);
 111
 112 int transfer_inline(uint32_t *fifo, uint32_t dst, uint32_t dst_offset,
 113     const uint32_t *data, uint32_t word_count);
 114
 115 int flip_display_buffer(uint32_t *fifo, uint8_t channel_id, uint8_t buffer_id,
 116     uint8_t head);
 117
 118 int set_depth_mask(uint32_t *fifo, uint32_t mask);
 119
 120 int set_color_mask(uint32_t *fifo, uint32_t mask);
 121
 122 int set_color_mask_mrt(uint32_t *fifo, uint32_t mask);
 123
 124 int set_clear_color(uint32_t *fifo, uint32_t color);
 125
 126 int set_scissor(uint32_t *fifo, uint16_t x, uint16_t y, uint16_t w, uint16_t h);
 127
 128 int set_front_poly_mode(uint32_t *fifo, uint32_t mode);
 129
 130 int set_shade_mode(uint32_t *fifo, uint32_t mode);
 131
 132 int clear_surface(uint32_t *fifo, uint32_t mask);
 133
 134 int set_surface(uint32_t *fifo, const struct surface_desc *sd);
 135
 136 int wait_label(uint32_t *fifo, uint32_t index, uint32_t val);
 137
 138 int set_label(uint32_t *fifo, uint32_t index, uint32_t val);
 139
 140 int set_viewport(uint32_t *fifo, uint16_t x, uint16_t y, uint16_t w, uint16_t h,
 141     float zmin, float zmax, const float offset[4], const float scale[4]);
 142
 143 int load_vertex_prg(uint32_t *fifo, uint16_t slot, const uint32_t *prg, int instr_count);
 144
 145 int set_vertex_prg_reg_count(uint32_t *fifo, unsigned int count);
 146
 147 int set_vertex_prg_start_slot(uint32_t *fifo, uint16_t slot);
 148
 149 int set_vertex_attr_inmask(uint32_t *fifo, uint32_t mask);
 150
 151 int set_vertex_attr_outmask(uint32_t *fifo, uint32_t mask);
 152
 153 int set_frag_prg(uint32_t *fifo, uint8_t location, uint32_t offset);
 154
 155 int frag_prg_ctrl(uint32_t *fifo, uint8_t reg_count, uint8_t replace_txp_with_tex,
 156     uint8_t pixel_kill, uint8_t output_from_h0, uint8_t depth_replace);
 157
 158 int draw_begin(uint32_t *fifo, uint32_t mode);
 159
 160 int draw_end(uint32_t *fifo);
 161
 162 int set_vertex_data_arrfmt(uint32_t *fifo, uint8_t reg, uint16_t freq,
 163     uint8_t stride, uint8_t size, uint8_t type);
 164
 165 int set_vertex_data_4f(uint32_t *fifo, uint8_t reg, const float val[4]);
 166
 167 int set_vertex_data_arr(uint32_t *fifo, uint8_t reg,
 168     uint16_t freq, uint8_t stride, uint8_t size, uint8_t type,
 169     uint8_t location, uint32_t offset);
 170
 171 int draw_arrays(uint32_t *fifo, uint32_t mode, uint32_t first, uint32_t count);
 172
 173 #endif