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 "solo6x10.h"
  22 #include "osd-font.h"
  23
  24 #define CAPTURE_MAX_BANDWIDTH           32      /* D1 4channel (D1 == 4) */
  25 #define OSG_BUFFER_SIZE                 1024
  26
  27 #define VI_PROG_HSIZE                   (1280 - 16)
  28 #define VI_PROG_VSIZE                   (1024 - 16)
  29
  30 static void solo_capture_config(struct solo_dev *solo_dev)
  31 {
  32         int i, j;
  33         unsigned long height;
  34         unsigned long width;
  35         unsigned char *buf;
  36
  37         solo_reg_write(solo_dev, SOLO_CAP_BASE,
  38                        SOLO_CAP_MAX_PAGE(SOLO_CAP_EXT_MAX_PAGE *
  39                                          solo_dev->nr_chans) |
  40                        SOLO_CAP_BASE_ADDR(SOLO_CAP_EXT_ADDR(solo_dev) >> 16));
  41         solo_reg_write(solo_dev, SOLO_CAP_BTW,
  42                        (1 << 17) | SOLO_CAP_PROG_BANDWIDTH(2) |
  43                        SOLO_CAP_MAX_BANDWIDTH(CAPTURE_MAX_BANDWIDTH));
  44
  45         /* Set scale 1, 9 dimension */
  46         width = solo_dev->video_hsize;
  47         height = solo_dev->video_vsize;
  48         solo_reg_write(solo_dev, SOLO_DIM_SCALE1,
  49                        SOLO_DIM_H_MB_NUM(width / 16) |
  50                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  51                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  52
  53         /* Set scale 2, 10 dimension */
  54         width = solo_dev->video_hsize / 2;
  55         height = solo_dev->video_vsize;
  56         solo_reg_write(solo_dev, SOLO_DIM_SCALE2,
  57                        SOLO_DIM_H_MB_NUM(width / 16) |
  58                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  59                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  60
  61         /* Set scale 3, 11 dimension */
  62         width = solo_dev->video_hsize / 2;
  63         height = solo_dev->video_vsize / 2;
  64         solo_reg_write(solo_dev, SOLO_DIM_SCALE3,
  65                        SOLO_DIM_H_MB_NUM(width / 16) |
  66                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  67                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  68
  69         /* Set scale 4, 12 dimension */
  70         width = solo_dev->video_hsize / 3;
  71         height = solo_dev->video_vsize / 3;
  72         solo_reg_write(solo_dev, SOLO_DIM_SCALE4,
  73                        SOLO_DIM_H_MB_NUM(width / 16) |
  74                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  75                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  76
  77         /* Set scale 5, 13 dimension */
  78         width = solo_dev->video_hsize / 4;
  79         height = solo_dev->video_vsize / 2;
  80         solo_reg_write(solo_dev, SOLO_DIM_SCALE5,
  81                        SOLO_DIM_H_MB_NUM(width / 16) |
  82                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  83                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  84
  85         /* Progressive */
  86         width = VI_PROG_HSIZE;
  87         height = VI_PROG_VSIZE;
  88         solo_reg_write(solo_dev, SOLO_DIM_PROG,
  89                        SOLO_DIM_H_MB_NUM(width / 16) |
  90                        SOLO_DIM_V_MB_NUM_FRAME(height / 16) |
  91                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  92
  93         /* Clear OSD */
  94         solo_reg_write(solo_dev, SOLO_VE_OSD_CH, 0);
  95         solo_reg_write(solo_dev, SOLO_VE_OSD_BASE, SOLO_EOSD_EXT_ADDR >> 16);
  96         solo_reg_write(solo_dev, SOLO_VE_OSD_CLR,
  97                        0xF0 << 16 | 0x80 << 8 | 0x80);
  98         solo_reg_write(solo_dev, SOLO_VE_OSD_OPT, 0);
  99
 100         /* Clear OSG buffer */
 101         buf = kzalloc(OSG_BUFFER_SIZE, GFP_KERNEL);
 102         if (!buf)
 103                 return;
 104
 105         for (i = 0; i < solo_dev->nr_chans; i++) {
 106                 for (j = 0; j < SOLO_EOSD_EXT_SIZE; j += OSG_BUFFER_SIZE) {
 107                         solo_p2m_dma(solo_dev, SOLO_P2M_DMA_ID_MP4E, 1, buf,
 108                                      SOLO_EOSD_EXT_ADDR +
 109                                      (i * SOLO_EOSD_EXT_SIZE) + j,
 110                                      OSG_BUFFER_SIZE);
 111                 }
 112         }
 113         kfree(buf);
 114 }
 115
 116 int solo_osd_print(struct solo_enc_dev *solo_enc)
 117 {
 118         struct solo_dev *solo_dev = solo_enc->solo_dev;
 119         char *str = solo_enc->osd_text;
 120         u8 *buf;
 121         u32 reg = solo_reg_read(solo_dev, SOLO_VE_OSD_CH);
 122         int len = strlen(str);
 123         int i, j;
 124         int x = 1, y = 1;
 125
 126         if (len == 0) {
 127                 reg &= ~(1 << solo_enc->ch);
 128                 solo_reg_write(solo_dev, SOLO_VE_OSD_CH, reg);
 129                 return 0;
 130         }
 131
 132         buf = kzalloc(SOLO_EOSD_EXT_SIZE, GFP_KERNEL);
 133         if (!buf)
 134                 return -ENOMEM;
 135
 136         for (i = 0; i < len; i++) {
 137                 for (j = 0; j < 16; j++) {
 138                         buf[(j*2) + (i%2) + ((x + (i/2)) * 32) + (y * 2048)] =
 139                                 (solo_osd_font[(str[i] * 4) + (j / 4)]
 140                                         >> ((3 - (j % 4)) * 8)) & 0xff;
 141                 }
 142         }
 143
 144         solo_p2m_dma(solo_dev, 0, 1, buf, SOLO_EOSD_EXT_ADDR +
 145                      (solo_enc->ch * SOLO_EOSD_EXT_SIZE), SOLO_EOSD_EXT_SIZE);
 146         reg |= (1 << solo_enc->ch);
 147         solo_reg_write(solo_dev, SOLO_VE_OSD_CH, reg);
 148
 149         kfree(buf);
 150
 151         return 0;
 152 }
 153
 154 static void solo_jpeg_config(struct solo_dev *solo_dev)
 155 {
 156         u32 reg;
 157         if (solo_dev->flags & FLAGS_6110)
 158                 reg = (4 << 24) | (3 << 16) | (2 << 8) | (1 << 0);
 159         else
 160                 reg = (2 << 24) | (2 << 16) | (2 << 8) | (2 << 0);
 161         solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_TBL, reg);
 162         solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_CH_L, 0);
 163         solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_CH_H, 0);
 164         solo_reg_write(solo_dev, SOLO_VE_JPEG_CFG,
 165                 (SOLO_JPEG_EXT_SIZE(solo_dev) & 0xffff0000) |
 166                 ((SOLO_JPEG_EXT_ADDR(solo_dev) >> 16) & 0x0000ffff));
 167         solo_reg_write(solo_dev, SOLO_VE_JPEG_CTRL, 0xffffffff);
 168         /* que limit, samp limit, pos limit */
 169         solo_reg_write(solo_dev, 0x0688, (0 << 16) | (30 << 8) | 60);
 170 }
 171
 172 static void solo_mp4e_config(struct solo_dev *solo_dev)
 173 {
 174         int i;
 175         u32 reg;
 176
 177         /* We can only use VE_INTR_CTRL(0) if we want to support mjpeg */
 178         solo_reg_write(solo_dev, SOLO_VE_CFG0,
 179                        SOLO_VE_INTR_CTRL(0) |
 180                        SOLO_VE_BLOCK_SIZE(SOLO_MP4E_EXT_SIZE(solo_dev) >> 16) |
 181                        SOLO_VE_BLOCK_BASE(SOLO_MP4E_EXT_ADDR(solo_dev) >> 16));
 182
 183         solo_reg_write(solo_dev, SOLO_VE_CFG1,
 184                        SOLO_VE_INSERT_INDEX | SOLO_VE_MOTION_MODE(0));
 185
 186         solo_reg_write(solo_dev, SOLO_VE_WMRK_POLY, 0);
 187         solo_reg_write(solo_dev, SOLO_VE_VMRK_INIT_KEY, 0);
 188         solo_reg_write(solo_dev, SOLO_VE_WMRK_STRL, 0);
 189         solo_reg_write(solo_dev, SOLO_VE_ENCRYP_POLY, 0);
 190         solo_reg_write(solo_dev, SOLO_VE_ENCRYP_INIT, 0);
 191
 192         reg = SOLO_VE_LITTLE_ENDIAN | SOLO_COMP_ATTR_FCODE(1) |
 193                 SOLO_COMP_TIME_INC(0) | SOLO_COMP_TIME_WIDTH(15);
 194         if (solo_dev->flags & FLAGS_6110)
 195                 reg |= SOLO_DCT_INTERVAL(10);
 196         else
 197                 reg |= SOLO_DCT_INTERVAL(36 / 4);
 198         solo_reg_write(solo_dev, SOLO_VE_ATTR, reg);
 199
 200         for (i = 0; i < solo_dev->nr_chans; i++)
 201                 solo_reg_write(solo_dev, SOLO_VE_CH_REF_BASE(i),
 202                                (SOLO_EREF_EXT_ADDR(solo_dev) +
 203                                (i * SOLO_EREF_EXT_SIZE)) >> 16);
 204
 205         if (solo_dev->flags & FLAGS_6110)
 206                 solo_reg_write(solo_dev, 0x0634, 0x00040008); /* ? */
 207 }
 208
 209 int solo_enc_init(struct solo_dev *solo_dev)
 210 {
 211         int i;
 212
 213         solo_capture_config(solo_dev);
 214         solo_mp4e_config(solo_dev);
 215         solo_jpeg_config(solo_dev);
 216
 217         for (i = 0; i < solo_dev->nr_chans; i++) {
 218                 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(i), 0);
 219                 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(i), 0);
 220         }
 221
 222         solo_irq_on(solo_dev, SOLO_IRQ_ENCODER);
 223
 224         return 0;
 225 }
 226
 227 void solo_enc_exit(struct solo_dev *solo_dev)
 228 {
 229         int i;
 230
 231         solo_irq_off(solo_dev, SOLO_IRQ_ENCODER);
 232
 233         for (i = 0; i < solo_dev->nr_chans; i++) {
 234                 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(i), 0);
 235                 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(i), 0);
 236         }
 237 }