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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 | #include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/vmalloc.h>
#include <linux/pagemap.h>
#include <linux/console.h>
#include <linux/platform_device.h>
#include <linux/screen_info.h>
#include "sm750.h"
#include "sm750_accel.h"
static inline void write_dpr(struct lynx_accel *accel, int offset, u32 regValue)
{
writel(regValue, accel->dprBase + offset);
}
static inline u32 read_dpr(struct lynx_accel *accel, int offset)
{
return readl(accel->dprBase + offset);
}
static inline void write_dpPort(struct lynx_accel *accel, u32 data)
{
writel(data, accel->dpPortBase);
}
void sm750_hw_de_init(struct lynx_accel *accel)
{
/* setup 2d engine registers */
u32 reg, clr;
write_dpr(accel, DE_MASKS, 0xFFFFFFFF);
/* dpr1c */
reg = 0x3;
clr = DE_STRETCH_FORMAT_PATTERN_XY |
DE_STRETCH_FORMAT_PATTERN_Y_MASK |
DE_STRETCH_FORMAT_PATTERN_X_MASK |
DE_STRETCH_FORMAT_ADDRESSING_MASK |
DE_STRETCH_FORMAT_SOURCE_HEIGHT_MASK;
/* DE_STRETCH bpp format need be initialized in setMode routine */
write_dpr(accel, DE_STRETCH_FORMAT,
(read_dpr(accel, DE_STRETCH_FORMAT) & ~clr) | reg);
/* disable clipping and transparent */
write_dpr(accel, DE_CLIP_TL, 0); /* dpr2c */
write_dpr(accel, DE_CLIP_BR, 0); /* dpr30 */
write_dpr(accel, DE_COLOR_COMPARE_MASK, 0); /* dpr24 */
write_dpr(accel, DE_COLOR_COMPARE, 0);
clr = DE_CONTROL_TRANSPARENCY | DE_CONTROL_TRANSPARENCY_MATCH |
DE_CONTROL_TRANSPARENCY_SELECT;
/* dpr0c */
write_dpr(accel, DE_CONTROL, read_dpr(accel, DE_CONTROL) & ~clr);
}
/*
* set2dformat only be called from setmode functions
* but if you need dual framebuffer driver,need call set2dformat
* every time you use 2d function
*/
void sm750_hw_set2dformat(struct lynx_accel *accel, int fmt)
{
u32 reg;
/* fmt=0,1,2 for 8,16,32,bpp on sm718/750/502 */
reg = read_dpr(accel, DE_STRETCH_FORMAT);
reg &= ~DE_STRETCH_FORMAT_PIXEL_FORMAT_MASK;
reg |= ((fmt << DE_STRETCH_FORMAT_PIXEL_FORMAT_SHIFT) &
DE_STRETCH_FORMAT_PIXEL_FORMAT_MASK);
write_dpr(accel, DE_STRETCH_FORMAT, reg);
}
int sm750_hw_fillrect(struct lynx_accel *accel,
u32 base, u32 pitch, u32 Bpp,
u32 x, u32 y, u32 width, u32 height,
u32 color, u32 rop)
{
u32 deCtrl;
if (accel->de_wait() != 0) {
/*
* int time wait and always busy,seems hardware
* got something error
*/
pr_debug("De engine always busy\n");
return -1;
}
write_dpr(accel, DE_WINDOW_DESTINATION_BASE, base); /* dpr40 */
write_dpr(accel, DE_PITCH,
((pitch / Bpp << DE_PITCH_DESTINATION_SHIFT) &
DE_PITCH_DESTINATION_MASK) |
(pitch / Bpp & DE_PITCH_SOURCE_MASK)); /* dpr10 */
write_dpr(accel, DE_WINDOW_WIDTH,
((pitch / Bpp << DE_WINDOW_WIDTH_DST_SHIFT) &
DE_WINDOW_WIDTH_DST_MASK) |
(pitch / Bpp & DE_WINDOW_WIDTH_SRC_MASK)); /* dpr44 */
write_dpr(accel, DE_FOREGROUND, color); /* DPR14 */
write_dpr(accel, DE_DESTINATION,
((x << DE_DESTINATION_X_SHIFT) & DE_DESTINATION_X_MASK) |
(y & DE_DESTINATION_Y_MASK)); /* dpr4 */
write_dpr(accel, DE_DIMENSION,
((width << DE_DIMENSION_X_SHIFT) & DE_DIMENSION_X_MASK) |
(height & DE_DIMENSION_Y_ET_MASK)); /* dpr8 */
deCtrl = DE_CONTROL_STATUS | DE_CONTROL_LAST_PIXEL |
DE_CONTROL_COMMAND_RECTANGLE_FILL | DE_CONTROL_ROP_SELECT |
(rop & DE_CONTROL_ROP_MASK); /* dpr0xc */
write_dpr(accel, DE_CONTROL, deCtrl);
return 0;
}
int sm750_hw_copyarea(
struct lynx_accel *accel,
unsigned int sBase, /* Address of source: offset in frame buffer */
unsigned int sPitch, /* Pitch value of source surface in BYTE */
unsigned int sx,
unsigned int sy, /* Starting coordinate of source surface */
unsigned int dBase, /* Address of destination: offset in frame buffer */
unsigned int dPitch, /* Pitch value of destination surface in BYTE */
unsigned int Bpp, /* Color depth of destination surface */
unsigned int dx,
unsigned int dy, /* Starting coordinate of destination surface */
unsigned int width,
unsigned int height, /* width and height of rectangle in pixel value */
unsigned int rop2) /* ROP value */
{
unsigned int nDirection, de_ctrl;
nDirection = LEFT_TO_RIGHT;
/* Direction of ROP2 operation: 1 = Left to Right, (-1) = Right to Left */
de_ctrl = 0;
/* If source and destination are the same surface, need to check for overlay cases */
if (sBase == dBase && sPitch == dPitch) {
/* Determine direction of operation */
if (sy < dy) {
/* +----------+
* |S |
* | +----------+
* | | | |
* | | | |
* +---|------+ |
* | D|
* +----------+
*/
nDirection = BOTTOM_TO_TOP;
} else if (sy > dy) {
/* +----------+
* |D |
* | +----------+
* | | | |
* | | | |
* +---|------+ |
* | S|
* +----------+
*/
nDirection = TOP_TO_BOTTOM;
} else {
/* sy == dy */
if (sx <= dx) {
/* +------+---+------+
* |S | | D|
* | | | |
* | | | |
* | | | |
* +------+---+------+
*/
nDirection = RIGHT_TO_LEFT;
} else {
/* sx > dx */
/* +------+---+------+
* |D | | S|
* | | | |
* | | | |
* | | | |
* +------+---+------+
*/
nDirection = LEFT_TO_RIGHT;
}
}
}
if ((nDirection == BOTTOM_TO_TOP) || (nDirection == RIGHT_TO_LEFT)) {
sx += width - 1;
sy += height - 1;
dx += width - 1;
dy += height - 1;
}
/*
* Note:
* DE_FOREGROUND are DE_BACKGROUND are don't care.
* DE_COLOR_COMPARE and DE_COLOR_COMPARE_MAKS
* are set by set deSetTransparency().
*/
/*
* 2D Source Base.
* It is an address offset (128 bit aligned)
* from the beginning of frame buffer.
*/
write_dpr(accel, DE_WINDOW_SOURCE_BASE, sBase); /* dpr40 */
/*
* 2D Destination Base.
* It is an address offset (128 bit aligned)
* from the beginning of frame buffer.
*/
write_dpr(accel, DE_WINDOW_DESTINATION_BASE, dBase); /* dpr44 */
/*
* Program pitch (distance between the 1st points of two adjacent lines).
* Note that input pitch is BYTE value, but the 2D Pitch register uses
* pixel values. Need Byte to pixel conversion.
*/
write_dpr(accel, DE_PITCH,
((dPitch / Bpp << DE_PITCH_DESTINATION_SHIFT) &
DE_PITCH_DESTINATION_MASK) |
(sPitch / Bpp & DE_PITCH_SOURCE_MASK)); /* dpr10 */
/*
* Screen Window width in Pixels.
* 2D engine uses this value to calculate the linear address in frame buffer
* for a given point.
*/
write_dpr(accel, DE_WINDOW_WIDTH,
((dPitch / Bpp << DE_WINDOW_WIDTH_DST_SHIFT) &
DE_WINDOW_WIDTH_DST_MASK) |
(sPitch / Bpp & DE_WINDOW_WIDTH_SRC_MASK)); /* dpr3c */
if (accel->de_wait() != 0)
return -1;
write_dpr(accel, DE_SOURCE,
((sx << DE_SOURCE_X_K1_SHIFT) & DE_SOURCE_X_K1_MASK) |
(sy & DE_SOURCE_Y_K2_MASK)); /* dpr0 */
write_dpr(accel, DE_DESTINATION,
((dx << DE_DESTINATION_X_SHIFT) & DE_DESTINATION_X_MASK) |
(dy & DE_DESTINATION_Y_MASK)); /* dpr04 */
write_dpr(accel, DE_DIMENSION,
((width << DE_DIMENSION_X_SHIFT) & DE_DIMENSION_X_MASK) |
(height & DE_DIMENSION_Y_ET_MASK)); /* dpr08 */
de_ctrl = (rop2 & DE_CONTROL_ROP_MASK) | DE_CONTROL_ROP_SELECT |
((nDirection == RIGHT_TO_LEFT) ? DE_CONTROL_DIRECTION : 0) |
DE_CONTROL_COMMAND_BITBLT | DE_CONTROL_STATUS;
write_dpr(accel, DE_CONTROL, de_ctrl); /* dpr0c */
return 0;
}
static unsigned int deGetTransparency(struct lynx_accel *accel)
{
unsigned int de_ctrl;
de_ctrl = read_dpr(accel, DE_CONTROL);
de_ctrl &= (DE_CONTROL_TRANSPARENCY_MATCH |
DE_CONTROL_TRANSPARENCY_SELECT | DE_CONTROL_TRANSPARENCY);
return de_ctrl;
}
int sm750_hw_imageblit(struct lynx_accel *accel,
const char *pSrcbuf, /* pointer to start of source buffer in system memory */
u32 srcDelta, /* Pitch value (in bytes) of the source buffer, +ive means top down and -ive mean button up */
u32 startBit, /* Mono data can start at any bit in a byte, this value should be 0 to 7 */
u32 dBase, /* Address of destination: offset in frame buffer */
u32 dPitch, /* Pitch value of destination surface in BYTE */
u32 bytePerPixel, /* Color depth of destination surface */
u32 dx,
u32 dy, /* Starting coordinate of destination surface */
u32 width,
u32 height, /* width and height of rectangle in pixel value */
u32 fColor, /* Foreground color (corresponding to a 1 in the monochrome data */
u32 bColor, /* Background color (corresponding to a 0 in the monochrome data */
u32 rop2) /* ROP value */
{
unsigned int ulBytesPerScan;
unsigned int ul4BytesPerScan;
unsigned int ulBytesRemain;
unsigned int de_ctrl = 0;
unsigned char ajRemain[4];
int i, j;
startBit &= 7; /* Just make sure the start bit is within legal range */
ulBytesPerScan = (width + startBit + 7) / 8;
ul4BytesPerScan = ulBytesPerScan & ~3;
ulBytesRemain = ulBytesPerScan & 3;
if (accel->de_wait() != 0)
return -1;
/*
* 2D Source Base.
* Use 0 for HOST Blt.
*/
write_dpr(accel, DE_WINDOW_SOURCE_BASE, 0);
/* 2D Destination Base.
* It is an address offset (128 bit aligned)
* from the beginning of frame buffer.
*/
write_dpr(accel, DE_WINDOW_DESTINATION_BASE, dBase);
/*
* Program pitch (distance between the 1st points of two adjacent
* lines). Note that input pitch is BYTE value, but the 2D Pitch
* register uses pixel values. Need Byte to pixel conversion.
*/
write_dpr(accel, DE_PITCH,
((dPitch / bytePerPixel << DE_PITCH_DESTINATION_SHIFT) &
DE_PITCH_DESTINATION_MASK) |
(dPitch / bytePerPixel & DE_PITCH_SOURCE_MASK)); /* dpr10 */
/*
* Screen Window width in Pixels.
* 2D engine uses this value to calculate the linear address
* in frame buffer for a given point.
*/
write_dpr(accel, DE_WINDOW_WIDTH,
((dPitch / bytePerPixel << DE_WINDOW_WIDTH_DST_SHIFT) &
DE_WINDOW_WIDTH_DST_MASK) |
(dPitch / bytePerPixel & DE_WINDOW_WIDTH_SRC_MASK));
/*
* Note: For 2D Source in Host Write, only X_K1_MONO field is needed,
* and Y_K2 field is not used.
* For mono bitmap, use startBit for X_K1.
*/
write_dpr(accel, DE_SOURCE,
(startBit << DE_SOURCE_X_K1_SHIFT) &
DE_SOURCE_X_K1_MONO_MASK); /* dpr00 */
write_dpr(accel, DE_DESTINATION,
((dx << DE_DESTINATION_X_SHIFT) & DE_DESTINATION_X_MASK) |
(dy & DE_DESTINATION_Y_MASK)); /* dpr04 */
write_dpr(accel, DE_DIMENSION,
((width << DE_DIMENSION_X_SHIFT) & DE_DIMENSION_X_MASK) |
(height & DE_DIMENSION_Y_ET_MASK)); /* dpr08 */
write_dpr(accel, DE_FOREGROUND, fColor);
write_dpr(accel, DE_BACKGROUND, bColor);
de_ctrl = (rop2 & DE_CONTROL_ROP_MASK) |
DE_CONTROL_ROP_SELECT | DE_CONTROL_COMMAND_HOST_WRITE |
DE_CONTROL_HOST | DE_CONTROL_STATUS;
write_dpr(accel, DE_CONTROL, de_ctrl | deGetTransparency(accel));
/* Write MONO data (line by line) to 2D Engine data port */
for (i = 0; i < height; i++) {
/* For each line, send the data in chunks of 4 bytes */
for (j = 0; j < (ul4BytesPerScan / 4); j++)
write_dpPort(accel, *(unsigned int *)(pSrcbuf + (j * 4)));
if (ulBytesRemain) {
memcpy(ajRemain, pSrcbuf+ul4BytesPerScan, ulBytesRemain);
write_dpPort(accel, *(unsigned int *)ajRemain);
}
pSrcbuf += srcDelta;
}
return 0;
}
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