diff options
Diffstat (limited to 'drivers/mxc/amd-gpu/include/gsl_ringbuffer.h')
| -rw-r--r-- | drivers/mxc/amd-gpu/include/gsl_ringbuffer.h | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/drivers/mxc/amd-gpu/include/gsl_ringbuffer.h b/drivers/mxc/amd-gpu/include/gsl_ringbuffer.h new file mode 100644 index 000000000000..6081c396f6e4 --- /dev/null +++ b/drivers/mxc/amd-gpu/include/gsl_ringbuffer.h @@ -0,0 +1,235 @@ +/* Copyright (c) 2002,2007-2009, Code Aurora Forum. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Code Aurora nor + * the names of its contributors may be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef __GSL_RINGBUFFER_H +#define __GSL_RINGBUFFER_H + + +////////////////////////////////////////////////////////////////////////////// +// defines +////////////////////////////////////////////////////////////////////////////// + +// ringbuffer sizes log2quadword +#define GSL_RB_SIZE_8 0 +#define GSL_RB_SIZE_16 1 +#define GSL_RB_SIZE_32 2 +#define GSL_RB_SIZE_64 3 +#define GSL_RB_SIZE_128 4 +#define GSL_RB_SIZE_256 5 +#define GSL_RB_SIZE_512 6 +#define GSL_RB_SIZE_1K 7 +#define GSL_RB_SIZE_2K 8 +#define GSL_RB_SIZE_4K 9 +#define GSL_RB_SIZE_8K 10 +#define GSL_RB_SIZE_16K 11 +#define GSL_RB_SIZE_32K 12 +#define GSL_RB_SIZE_64K 13 +#define GSL_RB_SIZE_128K 14 +#define GSL_RB_SIZE_256K 15 +#define GSL_RB_SIZE_512K 16 +#define GSL_RB_SIZE_1M 17 +#define GSL_RB_SIZE_2M 18 +#define GSL_RB_SIZE_4M 19 + +// offsets into memptrs +#define GSL_RB_MEMPTRS_RPTR_OFFSET 0 +#define GSL_RB_MEMPTRS_WPTRPOLL_OFFSET (GSL_RB_MEMPTRS_RPTR_OFFSET + sizeof(unsigned int)) + +// dword base address of the GFX decode space +#define GSL_HAL_SUBBLOCK_OFFSET(reg) ((unsigned int)((reg) - (0x2000))) + +// CP timestamp register +#define mmCP_TIMESTAMP mmSCRATCH_REG0 + + +////////////////////////////////////////////////////////////////////////////// +// types +////////////////////////////////////////////////////////////////////////////// + +#ifdef _DEBUG +// ---------------- +// ringbuffer debug +// ---------------- +typedef struct _gsl_rb_debug_t { + unsigned int pm4_ucode_rel; + unsigned int pfp_ucode_rel; + unsigned int cp_rb_base; + cp_rb_cntl_u cp_rb_cntl; + unsigned int cp_rb_rptr_addr; + unsigned int cp_rb_rptr; + unsigned int cp_rb_wptr; + unsigned int cp_rb_wptr_base; + scratch_umsk_u scratch_umsk; + unsigned int scratch_addr; + cp_me_cntl_u cp_me_cntl; + cp_me_status_u cp_me_status; + cp_debug_u cp_debug; + cp_stat_u cp_stat; + rbbm_status_u rbbm_status; + unsigned int sop_timestamp; + unsigned int eop_timestamp; +} gsl_rb_debug_t; +#endif // _DEBUG + +// ------------------- +// ringbuffer watchdog +// ------------------- +typedef struct _gsl_rbwatchdog_t { + gsl_flags_t flags; + unsigned int rptr_sample; +} gsl_rbwatchdog_t; + +// ------------------ +// memory ptr objects +// ------------------ +#ifdef __GNUC__ +#pragma pack(push, 1) +#else +#pragma pack(push) +#pragma pack(1) +#endif +typedef struct _gsl_rbmemptrs_t { + volatile int rptr; + int wptr_poll; +} gsl_rbmemptrs_t; +#pragma pack(pop) + +// ----- +// stats +// ----- +typedef struct _gsl_rbstats_t { + __int64 wraps; + __int64 issues; + __int64 wordstotal; +} gsl_rbstats_t; + + +// ----------------- +// ringbuffer object +// ----------------- +typedef struct _gsl_ringbuffer_t { + + gsl_device_t *device; + gsl_flags_t flags; + + gsl_memdesc_t buffer_desc; // allocated memory descriptor + gsl_memdesc_t memptrs_desc; + + gsl_rbmemptrs_t *memptrs; + + unsigned int sizedwords; // ring buffer size dwords + unsigned int blksizequadwords; + + unsigned int wptr; // write pointer offset in dwords from baseaddr + unsigned int rptr; // read pointer offset in dwords from baseaddr + gsl_timestamp_t timestamp; + + + gsl_rbwatchdog_t watchdog; + +#ifdef GSL_STATS_RINGBUFFER + gsl_rbstats_t stats; +#endif // GSL_STATS_RINGBUFFER + +} gsl_ringbuffer_t; + + +////////////////////////////////////////////////////////////////////////////// +// macros +////////////////////////////////////////////////////////////////////////////// + +// ---------- +// ring write +// ---------- +#define GSL_RB_WRITE(ring, data) \ + KGSL_DEBUG(GSL_DBGFLAGS_DUMPX, KGSL_DEBUG_DUMPX(BB_DUMP_RINGBUF_WRT, (unsigned int)ring, data, 0, "GSL_RB_WRITE")); \ + *(unsigned int *)(ring)++ = (unsigned int)(data); + +// --------- +// timestamp +// --------- +#ifdef GSL_DEVICE_SHADOW_MEMSTORE_TO_USER +#define GSL_RB_USE_MEM_TIMESTAMP +#endif //GSL_DEVICE_SHADOW_MEMSTORE_TO_USER + +#ifdef GSL_RB_USE_MEM_TIMESTAMP +#define GSL_RB_MEMPTRS_SCRATCH_MASK 0x1 // enable timestamp (...scratch0) memory shadowing +#define GSL_RB_INIT_TIMESTAMP(rb) + +#else +#define GSL_RB_MEMPTRS_SCRATCH_MASK 0x0 // disable +#define GSL_RB_INIT_TIMESTAMP(rb) kgsl_device_regwrite((rb)->device->id, mmCP_TIMESTAMP, 0); +#endif // GSL_RB_USE_MEMTIMESTAMP + +// -------- +// mem rptr +// -------- +#ifdef GSL_RB_USE_MEM_RPTR +#define GSL_RB_CNTL_NO_UPDATE 0x0 // enable +#define GSL_RB_GET_READPTR(rb, data) kgsl_sharedmem_read0(&(rb)->memptrs_desc, (data), GSL_RB_MEMPTRS_RPTR_OFFSET, 4, false) +#else +#define GSL_RB_CNTL_NO_UPDATE 0x1 // disable +#define GSL_RB_GET_READPTR(rb, data) (rb)->device->fbtl.device_regread((rb)->device, mmCP_RB_RPTR,(data)) +#endif // GSL_RB_USE_MEMRPTR + +// ------------ +// wptr polling +// ------------ +#ifdef GSL_RB_USE_WPTR_POLLING +#define GSL_RB_CNTL_POLL_EN 0x1 // enable +#define GSL_RB_UPDATE_WPTR_POLLING(rb) (rb)->memptrs->wptr_poll = (rb)->wptr +#else +#define GSL_RB_CNTL_POLL_EN 0x0 // disable +#define GSL_RB_UPDATE_WPTR_POLLING(rb) +#endif // GSL_RB_USE_WPTR_POLLING + +// ----- +// stats +// ----- +#ifdef GSL_STATS_RINGBUFFER +#define GSL_RB_STATS(x) x +#else +#define GSL_RB_STATS(x) +#endif // GSL_STATS_RINGBUFFER + + +////////////////////////////////////////////////////////////////////////////// +// prototypes +////////////////////////////////////////////////////////////////////////////// +int kgsl_ringbuffer_init(gsl_device_t *device); +int kgsl_ringbuffer_close(gsl_ringbuffer_t *rb); +int kgsl_ringbuffer_start(gsl_ringbuffer_t *rb); +int kgsl_ringbuffer_stop(gsl_ringbuffer_t *rb); +gsl_timestamp_t kgsl_ringbuffer_issuecmds(gsl_device_t *device, int pmodeoff, unsigned int *cmdaddr, int sizedwords, unsigned int pid); +int kgsl_ringbuffer_issueibcmds(gsl_device_t *device, int drawctxt_index, gpuaddr_t ibaddr, int sizedwords, gsl_timestamp_t *timestamp, gsl_flags_t flags); +void kgsl_ringbuffer_watchdog(void); + +int kgsl_ringbuffer_querystats(gsl_ringbuffer_t *rb, gsl_rbstats_t *stats); +int kgsl_ringbuffer_bist(gsl_ringbuffer_t *rb); + +#endif // __GSL_RINGBUFFER_H |