drivers/staging/solo6x10/solo6010-enc.c

   1 /*
   2  * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com
   3  * Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include <linux/kernel.h>
  21
  22 #include "solo6010.h"
  23 #include "solo6010-osd-font.h"
  24
  25 #define CAPTURE_MAX_BANDWIDTH           32      /* D1 4channel (D1 == 4) */
  26 #define OSG_BUFFER_SIZE                 1024
  27
  28 #define VI_PROG_HSIZE                   (1280 - 16)
  29 #define VI_PROG_VSIZE                   (1024 - 16)
  30
  31 static void solo_capture_config(struct solo6010_dev *solo_dev)
  32 {
  33         int i, j;
  34         unsigned long height;
  35         unsigned long width;
  36         unsigned char *buf;
  37
  38         solo_reg_write(solo_dev, SOLO_CAP_BASE,
  39                        SOLO_CAP_MAX_PAGE(SOLO_CAP_EXT_MAX_PAGE *
  40                                          solo_dev->nr_chans) |
  41                        SOLO_CAP_BASE_ADDR(SOLO_CAP_EXT_ADDR(solo_dev) >> 16));
  42         solo_reg_write(solo_dev, SOLO_CAP_BTW,
  43                        (1 << 17) | SOLO_CAP_PROG_BANDWIDTH(2) |
  44                        SOLO_CAP_MAX_BANDWIDTH(CAPTURE_MAX_BANDWIDTH));
  45
  46         /* Set scale 1, 9 dimension */
  47         width = solo_dev->video_hsize;
  48         height = solo_dev->video_vsize;
  49         solo_reg_write(solo_dev, SOLO_DIM_SCALE1,
  50                        SOLO_DIM_H_MB_NUM(width / 16) |
  51                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  52                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  53
  54         /* Set scale 2, 10 dimension */
  55         width = solo_dev->video_hsize / 2;
  56         height = solo_dev->video_vsize;
  57         solo_reg_write(solo_dev, SOLO_DIM_SCALE2,
  58                        SOLO_DIM_H_MB_NUM(width / 16) |
  59                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  60                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  61
  62         /* Set scale 3, 11 dimension */
  63         width = solo_dev->video_hsize / 2;
  64         height = solo_dev->video_vsize / 2;
  65         solo_reg_write(solo_dev, SOLO_DIM_SCALE3,
  66                        SOLO_DIM_H_MB_NUM(width / 16) |
  67                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  68                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  69
  70         /* Set scale 4, 12 dimension */
  71         width = solo_dev->video_hsize / 3;
  72         height = solo_dev->video_vsize / 3;
  73         solo_reg_write(solo_dev, SOLO_DIM_SCALE4,
  74                        SOLO_DIM_H_MB_NUM(width / 16) |
  75                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  76                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  77
  78         /* Set scale 5, 13 dimension */
  79         width = solo_dev->video_hsize / 4;
  80         height = solo_dev->video_vsize / 2;
  81         solo_reg_write(solo_dev, SOLO_DIM_SCALE5,
  82                        SOLO_DIM_H_MB_NUM(width / 16) |
  83                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  84                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  85
  86         /* Progressive */
  87         width = VI_PROG_HSIZE;
  88         height = VI_PROG_VSIZE;
  89         solo_reg_write(solo_dev, SOLO_DIM_PROG,
  90                        SOLO_DIM_H_MB_NUM(width / 16) |
  91                        SOLO_DIM_V_MB_NUM_FRAME(height / 16) |
  92                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  93
  94         /* Clear OSD */
  95         solo_reg_write(solo_dev, SOLO_VE_OSD_CH, 0);
  96         solo_reg_write(solo_dev, SOLO_VE_OSD_BASE,
  97                        SOLO_EOSD_EXT_ADDR(solo_dev) >> 16);
  98         solo_reg_write(solo_dev, SOLO_VE_OSD_CLR,
  99                        0xF0 << 16 | 0x80 << 8 | 0x80);
 100         solo_reg_write(solo_dev, SOLO_VE_OSD_OPT, 0);
 101
 102         /* Clear OSG buffer */
 103         buf = kzalloc(OSG_BUFFER_SIZE, GFP_KERNEL);
 104         if (!buf)
 105                 return;
 106
 107         for (i = 0; i < solo_dev->nr_chans; i++) {
 108                 for (j = 0; j < SOLO_EOSD_EXT_SIZE; j += OSG_BUFFER_SIZE) {
 109                         solo_p2m_dma(solo_dev, SOLO_P2M_DMA_ID_MP4E, 1, buf,
 110                                      SOLO_EOSD_EXT_ADDR(solo_dev) +
 111                                      (i * SOLO_EOSD_EXT_SIZE) + j,
 112                                      OSG_BUFFER_SIZE);
 113                 }
 114         }
 115         kfree(buf);
 116 }
 117
 118 int solo_osd_print(struct solo_enc_dev *solo_enc)
 119 {
 120         struct solo6010_dev *solo_dev = solo_enc->solo_dev;
 121         char *str = solo_enc->osd_text;
 122         u8 *buf;
 123         u32 reg = solo_reg_read(solo_dev, SOLO_VE_OSD_CH);
 124         int len = strlen(str);
 125         int i, j;
 126         int x = 1, y = 1;
 127
 128         if (len == 0) {
 129                 reg &= ~(1 << solo_enc->ch);
 130                 solo_reg_write(solo_dev, SOLO_VE_OSD_CH, reg);
 131                 return 0;
 132         }
 133
 134         buf = kzalloc(SOLO_EOSD_EXT_SIZE, GFP_KERNEL);
 135         if (!buf)
 136                 return -ENOMEM;
 137
 138         for (i = 0; i < len; i++) {
 139                 for (j = 0; j < 16; j++) {
 140                         buf[(j*2) + (i%2) + ((x + (i/2)) * 32) + (y * 2048)] =
 141                                 (solo_osd_font[(str[i] * 4) + (j / 4)]
 142                                         >> ((3 - (j % 4)) * 8)) & 0xff;
 143                 }
 144         }
 145
 146         solo_p2m_dma(solo_dev, 0, 1, buf, SOLO_EOSD_EXT_ADDR(solo_dev) +
 147                      (solo_enc->ch * SOLO_EOSD_EXT_SIZE), SOLO_EOSD_EXT_SIZE);
 148         reg |= (1 << solo_enc->ch);
 149         solo_reg_write(solo_dev, SOLO_VE_OSD_CH, reg);
 150
 151         kfree(buf);
 152
 153         return 0;
 154 }
 155
 156 static void solo_jpeg_config(struct solo6010_dev *solo_dev)
 157 {
 158         solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_TBL,
 159                        (2 << 24) | (2 << 16) | (2 << 8) | (2 << 0));
 160         solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_CH_L, 0);
 161         solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_CH_H, 0);
 162         solo_reg_write(solo_dev, SOLO_VE_JPEG_CFG,
 163                 (SOLO_JPEG_EXT_SIZE(solo_dev) & 0xffff0000) |
 164                 ((SOLO_JPEG_EXT_ADDR(solo_dev) >> 16) & 0x0000ffff));
 165         solo_reg_write(solo_dev, SOLO_VE_JPEG_CTRL, 0xffffffff);
 166 }
 167
 168 static void solo_mp4e_config(struct solo6010_dev *solo_dev)
 169 {
 170         int i;
 171
 172         /* We can only use VE_INTR_CTRL(0) if we want to support mjpeg */
 173         solo_reg_write(solo_dev, SOLO_VE_CFG0,
 174                        SOLO_VE_INTR_CTRL(0) |
 175                        SOLO_VE_BLOCK_SIZE(SOLO_MP4E_EXT_SIZE(solo_dev) >> 16) |
 176                        SOLO_VE_BLOCK_BASE(SOLO_MP4E_EXT_ADDR(solo_dev) >> 16));
 177
 178         solo_reg_write(solo_dev, SOLO_VE_CFG1,
 179                        SOLO_VE_BYTE_ALIGN(2) |
 180                        SOLO_VE_INSERT_INDEX | SOLO_VE_MOTION_MODE(0));
 181
 182         solo_reg_write(solo_dev, SOLO_VE_WMRK_POLY, 0);
 183         solo_reg_write(solo_dev, SOLO_VE_VMRK_INIT_KEY, 0);
 184         solo_reg_write(solo_dev, SOLO_VE_WMRK_STRL, 0);
 185         solo_reg_write(solo_dev, SOLO_VE_ENCRYP_POLY, 0);
 186         solo_reg_write(solo_dev, SOLO_VE_ENCRYP_INIT, 0);
 187
 188         solo_reg_write(solo_dev, SOLO_VE_ATTR,
 189                        SOLO_VE_LITTLE_ENDIAN |
 190                        SOLO_COMP_ATTR_FCODE(1) |
 191                        SOLO_COMP_TIME_INC(0) |
 192                        SOLO_COMP_TIME_WIDTH(15) |
 193                        SOLO_DCT_INTERVAL(36 / 4));
 194
 195         for (i = 0; i < solo_dev->nr_chans; i++)
 196                 solo_reg_write(solo_dev, SOLO_VE_CH_REF_BASE(i),
 197                                (SOLO_EREF_EXT_ADDR(solo_dev) +
 198                                (i * SOLO_EREF_EXT_SIZE)) >> 16);
 199 }
 200
 201 int solo_enc_init(struct solo6010_dev *solo_dev)
 202 {
 203         int i;
 204
 205         solo_capture_config(solo_dev);
 206         solo_mp4e_config(solo_dev);
 207         solo_jpeg_config(solo_dev);
 208
 209         for (i = 0; i < solo_dev->nr_chans; i++) {
 210                 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(i), 0);
 211                 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(i), 0);
 212         }
 213
 214         solo6010_irq_on(solo_dev, SOLO_IRQ_ENCODER);
 215
 216         return 0;
 217 }
 218
 219 void solo_enc_exit(struct solo6010_dev *solo_dev)
 220 {
 221         int i;
 222
 223         solo6010_irq_off(solo_dev, SOLO_IRQ_ENCODER);
 224
 225         for (i = 0; i < solo_dev->nr_chans; i++) {
 226                 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(i), 0);
 227                 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(i), 0);
 228         }
 229 }