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 unsigned char *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 unsigned char *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 unsigned char *)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 } 341