drivers/staging/solo6x10/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 #include <linux/slab.h>
  22 #include "solo6x10.h"
  23 #include "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 solo_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, SOLO_EOSD_EXT_ADDR >> 16);
  97         solo_reg_write(solo_dev, SOLO_VE_OSD_CLR,
  98                        0xF0 << 16 | 0x80 << 8 | 0x80);
  99         solo_reg_write(solo_dev, SOLO_VE_OSD_OPT, 0);
 100
 101         /* Clear OSG buffer */
 102         buf = kzalloc(OSG_BUFFER_SIZE, GFP_KERNEL);
 103         if (!buf)
 104                 return;
 105
 106         for (i = 0; i < solo_dev->nr_chans; i++) {
 107                 for (j = 0; j < SOLO_EOSD_EXT_SIZE; j += OSG_BUFFER_SIZE) {
 108                         solo_p2m_dma(solo_dev, SOLO_P2M_DMA_ID_MP4E, 1, buf,
 109                                      SOLO_EOSD_EXT_ADDR +
 110                                      (i * SOLO_EOSD_EXT_SIZE) + j,
 111                                      OSG_BUFFER_SIZE);
 112                 }
 113         }
 114         kfree(buf);
 115 }
 116
 117 int solo_osd_print(struct solo_enc_dev *solo_enc)
 118 {
 119         struct solo_dev *solo_dev = solo_enc->solo_dev;
 120         char *str = solo_enc->osd_text;
 121         u8 *buf;
 122         u32 reg = solo_reg_read(solo_dev, SOLO_VE_OSD_CH);
 123         int len = strlen(str);
 124         int i, j;
 125         int x = 1, y = 1;
 126
 127         if (len == 0) {
 128                 reg &= ~(1 << solo_enc->ch);
 129                 solo_reg_write(solo_dev, SOLO_VE_OSD_CH, reg);
 130                 return 0;
 131         }
 132
 133         buf = kzalloc(SOLO_EOSD_EXT_SIZE, GFP_KERNEL);
 134         if (!buf)
 135                 return -ENOMEM;
 136
 137         for (i = 0; i < len; i++) {
 138                 for (j = 0; j < 16; j++) {
 139                         buf[(j*2) + (i%2) + ((x + (i/2)) * 32) + (y * 2048)] =
 140                                 (solo_osd_font[(str[i] * 4) + (j / 4)]
 141                                         >> ((3 - (j % 4)) * 8)) & 0xff;
 142                 }
 143         }
 144
 145         solo_p2m_dma(solo_dev, 0, 1, buf, SOLO_EOSD_EXT_ADDR +
 146                      (solo_enc->ch * SOLO_EOSD_EXT_SIZE), SOLO_EOSD_EXT_SIZE);
 147         reg |= (1 << solo_enc->ch);
 148         solo_reg_write(solo_dev, SOLO_VE_OSD_CH, reg);
 149
 150         kfree(buf);
 151
 152         return 0;
 153 }
 154
 155 static void solo_jpeg_config(struct solo_dev *solo_dev)
 156 {
 157         u32 reg;
 158         if (solo_dev->flags & FLAGS_6110)
 159                 reg = (4 << 24) | (3 << 16) | (2 << 8) | (1 << 0);
 160         else
 161                 reg = (2 << 24) | (2 << 16) | (2 << 8) | (2 << 0);
 162         solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_TBL, reg);
 163         solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_CH_L, 0);
 164         solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_CH_H, 0);
 165         solo_reg_write(solo_dev, SOLO_VE_JPEG_CFG,
 166                 (SOLO_JPEG_EXT_SIZE(solo_dev) & 0xffff0000) |
 167                 ((SOLO_JPEG_EXT_ADDR(solo_dev) >> 16) & 0x0000ffff));
 168         solo_reg_write(solo_dev, SOLO_VE_JPEG_CTRL, 0xffffffff);
 169         /* que limit, samp limit, pos limit */
 170         solo_reg_write(solo_dev, 0x0688, (0 << 16) | (30 << 8) | 60);
 171 }
 172
 173 static void solo_mp4e_config(struct solo_dev *solo_dev)
 174 {
 175         int i;
 176         u32 reg;
 177
 178         /* We can only use VE_INTR_CTRL(0) if we want to support mjpeg */
 179         solo_reg_write(solo_dev, SOLO_VE_CFG0,
 180                        SOLO_VE_INTR_CTRL(0) |
 181                        SOLO_VE_BLOCK_SIZE(SOLO_MP4E_EXT_SIZE(solo_dev) >> 16) |
 182                        SOLO_VE_BLOCK_BASE(SOLO_MP4E_EXT_ADDR(solo_dev) >> 16));
 183
 184         solo_reg_write(solo_dev, SOLO_VE_CFG1,
 185                        SOLO_VE_INSERT_INDEX | SOLO_VE_MOTION_MODE(0));
 186
 187         solo_reg_write(solo_dev, SOLO_VE_WMRK_POLY, 0);
 188         solo_reg_write(solo_dev, SOLO_VE_VMRK_INIT_KEY, 0);
 189         solo_reg_write(solo_dev, SOLO_VE_WMRK_STRL, 0);
 190         solo_reg_write(solo_dev, SOLO_VE_ENCRYP_POLY, 0);
 191         solo_reg_write(solo_dev, SOLO_VE_ENCRYP_INIT, 0);
 192
 193         reg = SOLO_VE_LITTLE_ENDIAN | SOLO_COMP_ATTR_FCODE(1) |
 194                 SOLO_COMP_TIME_INC(0) | SOLO_COMP_TIME_WIDTH(15);
 195         if (solo_dev->flags & FLAGS_6110)
 196                 reg |= SOLO_DCT_INTERVAL(10);
 197         else
 198                 reg |= SOLO_DCT_INTERVAL(36 / 4);
 199         solo_reg_write(solo_dev, SOLO_VE_ATTR, reg);
 200
 201         for (i = 0; i < solo_dev->nr_chans; i++)
 202                 solo_reg_write(solo_dev, SOLO_VE_CH_REF_BASE(i),
 203                                (SOLO_EREF_EXT_ADDR(solo_dev) +
 204                                (i * SOLO_EREF_EXT_SIZE)) >> 16);
 205
 206         if (solo_dev->flags & FLAGS_6110)
 207                 solo_reg_write(solo_dev, 0x0634, 0x00040008); /* ? */
 208 }
 209
 210 int solo_enc_init(struct solo_dev *solo_dev)
 211 {
 212         int i;
 213
 214         solo_capture_config(solo_dev);
 215         solo_mp4e_config(solo_dev);
 216         solo_jpeg_config(solo_dev);
 217
 218         for (i = 0; i < solo_dev->nr_chans; i++) {
 219                 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(i), 0);
 220                 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(i), 0);
 221         }
 222
 223         solo_irq_on(solo_dev, SOLO_IRQ_ENCODER);
 224
 225         return 0;
 226 }
 227
 228 void solo_enc_exit(struct solo_dev *solo_dev)
 229 {
 230         int i;
 231
 232         solo_irq_off(solo_dev, SOLO_IRQ_ENCODER);
 233
 234         for (i = 0; i < solo_dev->nr_chans; i++) {
 235                 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(i), 0);
 236                 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(i), 0);
 237         }
 238 }