drivers/media/pci/solo6x10/solo6x10-enc.c

   1 /*
   2  * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com>
   3  *
   4  * Original author:
   5  * Ben Collins <bcollins@ubuntu.com>
   6  *
   7  * Additional work by:
   8  * John Brooks <john.brooks@bluecherry.net>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  */
  20
  21 #include <linux/kernel.h>
  22 #include <linux/font.h>
  23 #include <linux/bitrev.h>
  24 #include <linux/slab.h>
  25
  26 #include "solo6x10.h"
  27
  28 #define VI_PROG_HSIZE                   (1280 - 16)
  29 #define VI_PROG_VSIZE                   (1024 - 16)
  30
  31 #define IRQ_LEVEL                       2
  32
  33 static void solo_capture_config(struct solo_dev *solo_dev)
  34 {
  35         unsigned long height;
  36         unsigned long width;
  37         void *buf;
  38         int i;
  39
  40         solo_reg_write(solo_dev, SOLO_CAP_BASE,
  41                        SOLO_CAP_MAX_PAGE((SOLO_CAP_EXT_SIZE(solo_dev)
  42                                           - SOLO_CAP_PAGE_SIZE) >> 16)
  43                        | SOLO_CAP_BASE_ADDR(SOLO_CAP_EXT_ADDR(solo_dev) >> 16));
  44
  45         /* XXX: Undocumented bits at b17 and b24 */
  46         if (solo_dev->type == SOLO_DEV_6110) {
  47                 /* NOTE: Ref driver has (62 << 24) here as well, but it causes
  48                  * wacked out frame timing on 4-port 6110. */
  49                 solo_reg_write(solo_dev, SOLO_CAP_BTW,
  50                                (1 << 17) | SOLO_CAP_PROG_BANDWIDTH(2) |
  51                                SOLO_CAP_MAX_BANDWIDTH(36));
  52         } else {
  53                 solo_reg_write(solo_dev, SOLO_CAP_BTW,
  54                                (1 << 17) | SOLO_CAP_PROG_BANDWIDTH(2) |
  55                                SOLO_CAP_MAX_BANDWIDTH(32));
  56         }
  57
  58         /* Set scale 1, 9 dimension */
  59         width = solo_dev->video_hsize;
  60         height = solo_dev->video_vsize;
  61         solo_reg_write(solo_dev, SOLO_DIM_SCALE1,
  62                        SOLO_DIM_H_MB_NUM(width / 16) |
  63                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  64                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  65
  66         /* Set scale 2, 10 dimension */
  67         width = solo_dev->video_hsize / 2;
  68         height = solo_dev->video_vsize;
  69         solo_reg_write(solo_dev, SOLO_DIM_SCALE2,
  70                        SOLO_DIM_H_MB_NUM(width / 16) |
  71                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  72                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  73
  74         /* Set scale 3, 11 dimension */
  75         width = solo_dev->video_hsize / 2;
  76         height = solo_dev->video_vsize / 2;
  77         solo_reg_write(solo_dev, SOLO_DIM_SCALE3,
  78                        SOLO_DIM_H_MB_NUM(width / 16) |
  79                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  80                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  81
  82         /* Set scale 4, 12 dimension */
  83         width = solo_dev->video_hsize / 3;
  84         height = solo_dev->video_vsize / 3;
  85         solo_reg_write(solo_dev, SOLO_DIM_SCALE4,
  86                        SOLO_DIM_H_MB_NUM(width / 16) |
  87                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  88                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  89
  90         /* Set scale 5, 13 dimension */
  91         width = solo_dev->video_hsize / 4;
  92         height = solo_dev->video_vsize / 2;
  93         solo_reg_write(solo_dev, SOLO_DIM_SCALE5,
  94                        SOLO_DIM_H_MB_NUM(width / 16) |
  95                        SOLO_DIM_V_MB_NUM_FRAME(height / 8) |
  96                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
  97
  98         /* Progressive */
  99         width = VI_PROG_HSIZE;
 100         height = VI_PROG_VSIZE;
 101         solo_reg_write(solo_dev, SOLO_DIM_PROG,
 102                        SOLO_DIM_H_MB_NUM(width / 16) |
 103                        SOLO_DIM_V_MB_NUM_FRAME(height / 16) |
 104                        SOLO_DIM_V_MB_NUM_FIELD(height / 16));
 105
 106         /* Clear OSD */
 107         solo_reg_write(solo_dev, SOLO_VE_OSD_CH, 0);
 108         solo_reg_write(solo_dev, SOLO_VE_OSD_BASE, SOLO_EOSD_EXT_ADDR >> 16);
 109         solo_reg_write(solo_dev, SOLO_VE_OSD_CLR,
 110                        0xF0 << 16 | 0x80 << 8 | 0x80);
 111
 112         if (solo_dev->type == SOLO_DEV_6010)
 113                 solo_reg_write(solo_dev, SOLO_VE_OSD_OPT,
 114                                SOLO_VE_OSD_H_SHADOW | SOLO_VE_OSD_V_SHADOW);
 115         else
 116                 solo_reg_write(solo_dev, SOLO_VE_OSD_OPT, SOLO_VE_OSD_V_DOUBLE
 117                                | SOLO_VE_OSD_H_SHADOW | SOLO_VE_OSD_V_SHADOW);
 118
 119         /* Clear OSG buffer */
 120         buf = kzalloc(SOLO_EOSD_EXT_SIZE(solo_dev), GFP_KERNEL);
 121         if (!buf)
 122                 return;
 123
 124         for (i = 0; i < solo_dev->nr_chans; i++) {
 125                 solo_p2m_dma(solo_dev, 1, buf,
 126                              SOLO_EOSD_EXT_ADDR +
 127                              (SOLO_EOSD_EXT_SIZE(solo_dev) * i),
 128                              SOLO_EOSD_EXT_SIZE(solo_dev), 0, 0);
 129         }
 130         kfree(buf);
 131 }
 132
 133 #define SOLO_OSD_WRITE_SIZE (16 * OSD_TEXT_MAX)
 134
 135 /* Should be called with enable_lock held */
 136 int solo_osd_print(struct solo_enc_dev *solo_enc)
 137 {
 138         struct solo_dev *solo_dev = solo_enc->solo_dev;
 139         u8 *str = solo_enc->osd_text;
 140         u8 *buf = solo_enc->osd_buf;
 141         u32 reg;
 142         const struct font_desc *vga = find_font("VGA8x16");
 143         const u8 *vga_data;
 144         int i, j;
 145
 146         if (WARN_ON_ONCE(!vga))
 147                 return -ENODEV;
 148
 149         reg = solo_reg_read(solo_dev, SOLO_VE_OSD_CH);
 150         if (!*str) {
 151                 /* Disable OSD on this channel */
 152                 reg &= ~(1 << solo_enc->ch);
 153                 goto out;
 154         }
 155
 156         memset(buf, 0, SOLO_OSD_WRITE_SIZE);
 157         vga_data = (const u8 *)vga->data;
 158
 159         for (i = 0; *str; i++, str++) {
 160                 for (j = 0; j < 16; j++) {
 161                         buf[(j << 1) | (i & 1) | ((i & ~1) << 4)] =
 162                             bitrev8(vga_data[(*str << 4) | j]);
 163                 }
 164         }
 165
 166         solo_p2m_dma(solo_dev, 1, buf,
 167                      SOLO_EOSD_EXT_ADDR_CHAN(solo_dev, solo_enc->ch),
 168                      SOLO_OSD_WRITE_SIZE, 0, 0);
 169
 170         /* Enable OSD on this channel */
 171         reg |= (1 << solo_enc->ch);
 172
 173 out:
 174         solo_reg_write(solo_dev, SOLO_VE_OSD_CH, reg);
 175         return 0;
 176 }
 177
 178 /*
 179  * Set channel Quality Profile (0-3).
 180  */
 181 void solo_s_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch,
 182                     unsigned int qp)
 183 {
 184         unsigned long flags;
 185         unsigned int idx, reg;
 186
 187         if ((ch > 31) || (qp > 3))
 188                 return;
 189
 190         if (solo_dev->type == SOLO_DEV_6010)
 191                 return;
 192
 193         if (ch < 16) {
 194                 idx = 0;
 195                 reg = SOLO_VE_JPEG_QP_CH_L;
 196         } else {
 197                 ch -= 16;
 198                 idx = 1;
 199                 reg = SOLO_VE_JPEG_QP_CH_H;
 200         }
 201         ch *= 2;
 202
 203         spin_lock_irqsave(&solo_dev->jpeg_qp_lock, flags);
 204
 205         solo_dev->jpeg_qp[idx] &= ~(3 << ch);
 206         solo_dev->jpeg_qp[idx] |= (qp & 3) << ch;
 207
 208         solo_reg_write(solo_dev, reg, solo_dev->jpeg_qp[idx]);
 209
 210         spin_unlock_irqrestore(&solo_dev->jpeg_qp_lock, flags);
 211 }
 212
 213 int solo_g_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch)
 214 {
 215         int idx;
 216
 217         if (solo_dev->type == SOLO_DEV_6010)
 218                 return 2;
 219
 220         if (WARN_ON_ONCE(ch > 31))
 221                 return 2;
 222
 223         if (ch < 16) {
 224                 idx = 0;
 225         } else {
 226                 ch -= 16;
 227                 idx = 1;
 228         }
 229         ch *= 2;
 230
 231         return (solo_dev->jpeg_qp[idx] >> ch) & 3;
 232 }
 233
 234 #define SOLO_QP_INIT 0xaaaaaaaa
 235
 236 static void solo_jpeg_config(struct solo_dev *solo_dev)
 237 {
 238         if (solo_dev->type == SOLO_DEV_6010) {
 239                 solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_TBL,
 240                                (2 << 24) | (2 << 16) | (2 << 8) | 2);
 241         } else {
 242                 solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_TBL,
 243                                (4 << 24) | (3 << 16) | (2 << 8) | 1);
 244         }
 245
 246         spin_lock_init(&solo_dev->jpeg_qp_lock);
 247
 248         /* Initialize Quality Profile for all channels */
 249         solo_dev->jpeg_qp[0] = solo_dev->jpeg_qp[1] = SOLO_QP_INIT;
 250         solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_CH_L, SOLO_QP_INIT);
 251         solo_reg_write(solo_dev, SOLO_VE_JPEG_QP_CH_H, SOLO_QP_INIT);
 252
 253         solo_reg_write(solo_dev, SOLO_VE_JPEG_CFG,
 254                 (SOLO_JPEG_EXT_SIZE(solo_dev) & 0xffff0000) |
 255                 ((SOLO_JPEG_EXT_ADDR(solo_dev) >> 16) & 0x0000ffff));
 256         solo_reg_write(solo_dev, SOLO_VE_JPEG_CTRL, 0xffffffff);
 257         if (solo_dev->type == SOLO_DEV_6110) {
 258                 solo_reg_write(solo_dev, SOLO_VE_JPEG_CFG1,
 259                                (0 << 16) | (30 << 8) | 60);
 260         }
 261 }
 262
 263 static void solo_mp4e_config(struct solo_dev *solo_dev)
 264 {
 265         int i;
 266         u32 cfg;
 267
 268         solo_reg_write(solo_dev, SOLO_VE_CFG0,
 269                        SOLO_VE_INTR_CTRL(IRQ_LEVEL) |
 270                        SOLO_VE_BLOCK_SIZE(SOLO_MP4E_EXT_SIZE(solo_dev) >> 16) |
 271                        SOLO_VE_BLOCK_BASE(SOLO_MP4E_EXT_ADDR(solo_dev) >> 16));
 272
 273
 274         cfg = SOLO_VE_BYTE_ALIGN(2) | SOLO_VE_INSERT_INDEX
 275                 | SOLO_VE_MOTION_MODE(0);
 276         if (solo_dev->type != SOLO_DEV_6010) {
 277                 cfg |= SOLO_VE_MPEG_SIZE_H(
 278                         (SOLO_MP4E_EXT_SIZE(solo_dev) >> 24) & 0x0f);
 279                 cfg |= SOLO_VE_JPEG_SIZE_H(
 280                         (SOLO_JPEG_EXT_SIZE(solo_dev) >> 24) & 0x0f);
 281         }
 282         solo_reg_write(solo_dev, SOLO_VE_CFG1, cfg);
 283
 284         solo_reg_write(solo_dev, SOLO_VE_WMRK_POLY, 0);
 285         solo_reg_write(solo_dev, SOLO_VE_VMRK_INIT_KEY, 0);
 286         solo_reg_write(solo_dev, SOLO_VE_WMRK_STRL, 0);
 287         if (solo_dev->type == SOLO_DEV_6110)
 288                 solo_reg_write(solo_dev, SOLO_VE_WMRK_ENABLE, 0);
 289         solo_reg_write(solo_dev, SOLO_VE_ENCRYP_POLY, 0);
 290         solo_reg_write(solo_dev, SOLO_VE_ENCRYP_INIT, 0);
 291
 292         solo_reg_write(solo_dev, SOLO_VE_ATTR,
 293                        SOLO_VE_LITTLE_ENDIAN |
 294                        SOLO_COMP_ATTR_FCODE(1) |
 295                        SOLO_COMP_TIME_INC(0) |
 296                        SOLO_COMP_TIME_WIDTH(15) |
 297                        SOLO_DCT_INTERVAL(solo_dev->type == SOLO_DEV_6010 ? 9 : 10));
 298
 299         for (i = 0; i < solo_dev->nr_chans; i++) {
 300                 solo_reg_write(solo_dev, SOLO_VE_CH_REF_BASE(i),
 301                                (SOLO_EREF_EXT_ADDR(solo_dev) +
 302                                (i * SOLO_EREF_EXT_SIZE)) >> 16);
 303                 solo_reg_write(solo_dev, SOLO_VE_CH_REF_BASE_E(i),
 304                                (SOLO_EREF_EXT_ADDR(solo_dev) +
 305                                ((i + 16) * SOLO_EREF_EXT_SIZE)) >> 16);
 306         }
 307
 308         if (solo_dev->type == SOLO_DEV_6110) {
 309                 solo_reg_write(solo_dev, SOLO_VE_COMPT_MOT, 0x00040008);
 310         } else {
 311                 for (i = 0; i < solo_dev->nr_chans; i++)
 312                         solo_reg_write(solo_dev, SOLO_VE_CH_MOT(i), 0x100);
 313         }
 314 }
 315
 316 int solo_enc_init(struct solo_dev *solo_dev)
 317 {
 318         int i;
 319
 320         solo_capture_config(solo_dev);
 321         solo_mp4e_config(solo_dev);
 322         solo_jpeg_config(solo_dev);
 323
 324         for (i = 0; i < solo_dev->nr_chans; i++) {
 325                 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(i), 0);
 326                 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(i), 0);
 327         }
 328
 329         return 0;
 330 }
 331
 332 void solo_enc_exit(struct solo_dev *solo_dev)
 333 {
 334         int i;
 335
 336         for (i = 0; i < solo_dev->nr_chans; i++) {
 337                 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(i), 0);
 338                 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(i), 0);
 339         }
 340 }