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Diffstat (limited to 'src/glamo-cmdq.h')
-rw-r--r-- | src/glamo-cmdq.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/glamo-cmdq.h b/src/glamo-cmdq.h new file mode 100644 index 0000000..e64aaca --- /dev/null +++ b/src/glamo-cmdq.h @@ -0,0 +1,160 @@ +/* + * Copyright © 2007 OpenMoko, Inc. + * + * This driver is based on Xati, + * Copyright © 2004 Eric Anholt + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#ifndef _GLAMO_DMA_H_ +#define _GLAMO_DMA_H_ + +#define CCE_DEBUG 1 + +#if !CCE_DEBUG + +#define RING_LOCALS CARD16 *__head; int __count +#define BEGIN_CMDQ(n) \ +do { \ + if ((glamos->cmd_queue_cache->used + 2 * (n)) > \ + glamos->cmd_queue_cache->size) { \ + GLAMOFlushCMDQCache(glamos, 1); \ + } \ + __head = (CARD16 *)((char *)glamos->cmd_queue_cache->address + \ + glamos->cmd_queue_cache->used); \ + __count = 0; \ +} while (0) +#define END_CMDQ() do { \ + glamos->cmd_queue_cache->used += __count * 2; \ +} while (0) + +#else + +#define RING_LOCALS \ + CARD16 *__head; int __count, __total, __reg, __packet0count +#define BEGIN_CMDQ(n) \ +do { \ + if ((glamos->cmd_queue_cache->used + 2 * (n)) > \ + glamos->cmd_queue_cache->size) { \ + GLAMOFlushCMDQCache(glamos, 1); \ + } \ + __head = (CARD16 *)((char *)glamos->cmd_queue_cache->address + \ + glamos->cmd_queue_cache->used); \ + __count = 0; \ + __total = n; \ + __reg = 0; \ + __packet0count = 0; \ +} while (0) +#define END_CMDQ() do { \ + if (__count != __total) \ + FatalError("count != total (%d vs %d) at %s:%d\n", \ + __count, __total, __FILE__, __LINE__); \ + glamos->cmd_queue_cache->used += __count * 2; \ +} while (0) + +#endif + +#define OUT_PAIR(v1, v2) \ +do { \ + __head[__count++] = (v1); \ + __head[__count++] = (v2); \ +} while (0) + +#define OUT_BURST_REG(reg, val) do { \ + if (__reg != reg) \ + FatalError("unexpected reg (0x%x vs 0x%x) at %s:%d\n", \ + reg, __reg, __FILE__, __LINE__); \ + if (__packet0count-- <= 0) \ + FatalError("overrun of packet0 at %s:%d\n", \ + __FILE__, __LINE__); \ + __head[__count++] = (val); \ + __reg += 2; \ +} while (0) + +#define OUT_REG(reg, val) \ + OUT_PAIR(reg, val) + +#define OUT_BURST(reg, n) \ +do { \ + OUT_PAIR((1 << 15) | reg, n); \ + __reg = reg; \ + __packet0count = n; \ +} while (0) + + +#define TIMEOUT_LOCALS struct timeval _target, _curtime + +static inline Bool +tv_le(struct timeval *tv1, struct timeval *tv2) +{ + if (tv1->tv_sec < tv2->tv_sec || + (tv1->tv_sec == tv2->tv_sec && tv1->tv_usec < tv2->tv_usec)) + return TRUE; + else + return FALSE; +} + +#define WHILE_NOT_TIMEOUT(_timeout) \ + gettimeofday(&_target, NULL); \ + _target.tv_usec += ((_timeout) * 1000000); \ + _target.tv_sec += _target.tv_usec / 1000000; \ + _target.tv_usec = _target.tv_usec % 1000000; \ + while (gettimeofday(&_curtime, NULL), tv_le(&_curtime, &_target)) + +#define TIMEDOUT() (!tv_le(&_curtime, &_target)) + +MemBuf * +GLAMOCreateCMDQCache(GLAMOScreenInfo *glamos); + +void +GLAMOFlushCMDQCache(GLAMOScreenInfo *glamos, Bool discard); + +void +GLAMOCMDQCacheSetup(ScreenPtr pScreen); + +void +GLAMOCMQCacheTeardown(ScreenPtr pScreen); + +enum GLAMOEngine { + GLAMO_ENGINE_CMDQ, + GLAMO_ENGINE_ISP, + GLAMO_ENGINE_2D, + GLAMO_ENGINE_MPEG, + GLAMO_ENGINE_ALL, + NB_GLAMO_ENGINES /*should be the last entry*/ +}; + +void +GLAMOEngineEnable(ScreenPtr pScreen, enum GLAMOEngine engine); + +void +GLAMOEngineDisable(ScreenPtr pScreen, enum GLAMOEngine engine); + +void +GLAMOEngineReset(ScreenPtr pScreen, enum GLAMOEngine engine); + +int +GLAMOEngineBusy(ScreenPtr pScreen, enum GLAMOEngine engine); + +void +GLAMOEngineWait(ScreenPtr pScreen, enum GLAMOEngine engine); + +#endif /* _GLAMO_DMA_H_ */ + |