diff options
Diffstat (limited to 'exynos/multimedia/codecs/audio/exynos4/srp/ulp/src/srp_api.c')
| -rw-r--r-- | exynos/multimedia/codecs/audio/exynos4/srp/ulp/src/srp_api.c | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/exynos/multimedia/codecs/audio/exynos4/srp/ulp/src/srp_api.c b/exynos/multimedia/codecs/audio/exynos4/srp/ulp/src/srp_api.c new file mode 100644 index 0000000..b0c0e5e --- /dev/null +++ b/exynos/multimedia/codecs/audio/exynos4/srp/ulp/src/srp_api.c @@ -0,0 +1,381 @@ +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/ioctl.h> +#include <sys/mman.h> +#include <sys/time.h> +#include <fcntl.h> +#include <ctype.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <stdio.h> + +#include "srp_api.h" + +#define LOG_TAG "libsrpapi" +#include <cutils/log.h> + +/* Disable LOGD message */ +#ifdef LOGD +#undef LOGD +#endif +#define LOGD(...) + +//#define _USE_WBUF_ /* Buffering before writing srp-rp device */ +//#define _DUMP_TO_FILE_ +//#define _USE_FW_FROM_DISK_ + +#ifdef _USE_WBUF_ +#define WBUF_LEN_MUL 2 +#endif + +static int srp_dev = -1; +static int srp_ibuf_size = 0; +static int srp_block_mode = SRP_INIT_BLOCK_MODE; + +static unsigned char *wbuf; +static int wbuf_size; +static int wbuf_pos; + +#ifdef _DUMP_TO_FILE_ +static FILE *fp_dump = NULL; +#endif + +#ifdef _USE_WBUF_ +static int WriteBuff_Init(void) +{ + if (wbuf == NULL) { + wbuf_size = srp_ibuf_size * WBUF_LEN_MUL; + wbuf_pos = 0; + wbuf = (unsigned char *)malloc(wbuf_size); + LOGD("%s: WriteBuffer %dbytes allocated", __func__, wbuf_size); + return 0; + } + + LOGE("%s: WriteBuffer already allocated", __func__); + return -1; +} + +static int WriteBuff_Deinit(void) +{ + if (wbuf != NULL) { + free(wbuf); + wbuf = NULL; + return 0; + } + + LOGE("%s: WriteBuffer is not ready", __func__); + return -1; +} + +static int WriteBuff_Write(unsigned char *buff, int size_byte) +{ + int write_byte; + + if ((wbuf_pos + size_byte) < wbuf_size) { + memcpy(&wbuf[wbuf_pos], buff, size_byte); + wbuf_pos += size_byte; + } else { + LOGE("%s: WriteBuffer is filled [%d], ignoring write [%d]", __func__, wbuf_pos, size_byte); + return -1; /* Insufficient buffer */ + } + + return wbuf_pos; +} + +static void WriteBuff_Consume(void) +{ + memcpy(wbuf, &wbuf[srp_ibuf_size], srp_ibuf_size * (WBUF_LEN_MUL - 1)); + wbuf_pos -= srp_ibuf_size; +} + +static void WriteBuff_Flush(void) +{ + wbuf_pos = 0; +} +#endif + +int SRP_Create(int block_mode) +{ + if (srp_dev == -1) { +#ifdef _USE_FW_FROM_DISK_ + SRP_Check_AltFirmware(); +#endif + + srp_block_mode = block_mode; + srp_dev = open(SRP_DEV_NAME, O_RDWR | + ((block_mode == SRP_INIT_NONBLOCK_MODE) ? O_NDELAY : 0)); + + return srp_dev; + } + + LOGE("%s: Device is not ready", __func__); + return -1; /* device alreay opened */ +} + +int SRP_Init(unsigned int ibuf_size) +{ + int ret; + + if (srp_dev != -1) { + srp_ibuf_size = ibuf_size; + ret = ioctl(srp_dev, SRP_INIT, srp_ibuf_size); /* Initialize IBUF size (4KB ~ 18KB) */ + +#ifdef _DUMP_TO_FILE_ + char outname[256]; + int cnt = 0; + + while (1) { + sprintf(outname, "/data/rp_dump_%04d.mp3", cnt++); + if (fp_dump = fopen(outname, "rb")) { /* file exist? */ + fclose(fp_dump); + } else { + break; + } + } + + LOGD("%s: Dump MP3 to %s", __func__, outname); + if (fp_dump = fopen(outname, "wb")) + LOGD("%s: Success to open %s", __func__, outname); + else + LOGD("%s: Fail to open %s", __func__, outname); +#endif + +#ifdef _USE_WBUF_ + if (ret != -1) + return WriteBuff_Init(); +#else + return ret; +#endif + } + + LOGE("%s: Device is not ready", __func__); + return -1; /* device is not created */ +} + +#ifdef _USE_WBUF_ +int SRP_Decode(void *buff, int size_byte) +{ + int ret; + int val; + int err_code = 0; + + if (srp_dev != -1) { + /* Check wbuf before writing buff */ + while (wbuf_pos >= srp_ibuf_size) { /* Write_Buffer filled? (IBUF Size)*/ + LOGD("%s: Write Buffer is full, Send data to RP", __func__); + + ret = write(srp_dev, wbuf, srp_ibuf_size); /* Write Buffer to RP Driver */ + if (ret == -1) { /* Fail? */ + ioctl(srp_dev, SRP_ERROR_STATE, &val); + if (!val) { /* Write error? */ + LOGE("%s: IBUF write fail", __func__); + return -1; + } else { /* Write OK, but RP decode error? */ + err_code = val; + LOGE("%s: RP decode error [0x%05X]", __func__, err_code); + } + } +#ifdef _DUMP_TO_FILE_ + if (fp_dump) + fwrite(wbuf, srp_ibuf_size, 1, fp_dump); +#endif + WriteBuff_Consume(); + } + + ret = WriteBuff_Write((unsigned char *)buff, size_byte); + if (ret == -1) + return -1; /* Buffering error */ + + LOGD("%s: Write Buffer remain [%d]", __func__, wbuf_pos); + return err_code; /* Write Success */ + } + + LOGE("%s: Device is not ready", __func__); + return -1; /* device is not created */ +} + +int SRP_Send_EOS(void) +{ + int ret; + int val; + + if (srp_dev != -1) { + /* Check wbuf before writing buff */ + while (wbuf_pos) { /* Write_Buffer ramain?*/ + if (wbuf_pos < srp_ibuf_size) { + memset(wbuf + wbuf_pos, 0xFF, srp_ibuf_size - wbuf_pos); /* Fill dummy data */ + wbuf_pos = srp_ibuf_size; + } + + ret = write(srp_dev, wbuf, srp_ibuf_size); /* Write Buffer to RP Driver */ + if (ret == -1) { /* Fail? */ + ret = ioctl(srp_dev, SRP_ERROR_STATE, &val); + if (!val) { /* Write error? */ + LOGE("%s: IBUF write fail", __func__); + return -1; + } else { /* RP decoe error? */ + LOGE("%s: RP decode error [0x%05X]", __func__, val); + return -1; + } + } else { /* Success? */ +#ifdef _DUMP_TO_FILE_ + if (fp_dump) + fwrite(wbuf, srp_ibuf_size, 1, fp_dump); +#endif + WriteBuff_Consume(); + } + } + + memset(wbuf, 0xFF, srp_ibuf_size); /* Fill dummy data */ + write(srp_dev, wbuf, srp_ibuf_size); /* Write Buffer to RP Driver */ + + /* Wait until RP decoding over */ + return ioctl(srp_dev, SRP_WAIT_EOS); + } + + return -1; /* device is not created */ +} +#else /* Without WBUF */ +int SRP_Decode(void *buff, int size_byte) +{ + int ret; + int val; + int err_code = 0; + + if (srp_dev != -1) { + LOGD("%s: Send data to RP (%d bytes)", __func__, size_byte); + + ret = write(srp_dev, buff, size_byte); /* Write Buffer to RP Driver */ + if (ret == -1) { /* Fail? */ + ioctl(srp_dev, SRP_ERROR_STATE, &val); + if (!val) { /* Write error? */ + LOGE("%s: IBUF write fail", __func__); + return -1; + } else { /* Write OK, but RP decode error? */ + err_code = val; + LOGE("%s: RP decode error [0x%05X]", __func__, err_code); + } + } +#ifdef _DUMP_TO_FILE_ + if (fp_dump) + fwrite(buff, size_byte, 1, fp_dump); +#endif + + return err_code; /* Write Success */ + } + + LOGE("%s: Device is not ready", __func__); + return -1; /* device is not created */ +} + +int SRP_Send_EOS(void) +{ + /* Wait until RP decoding over */ + if (srp_dev != -1) + return ioctl(srp_dev, SRP_SEND_EOS); + + return -1; /* device is not created */ +} + +int SRP_Resume_EOS(void) +{ + if (srp_dev != -1) + return ioctl(srp_dev, SRP_RESUME_EOS); + + return -1; /* device is not created */ +} +#endif + +int SRP_Pause(void) +{ + if (srp_dev != -1) + return ioctl(srp_dev, SRP_PAUSE); + + return -1; /* device is not created */ +} + +int SRP_Stop(void) +{ + if (srp_dev != -1) + return ioctl(srp_dev, SRP_STOP); + + return -1; /* device is not created */ +} + +int SRP_Flush(void) +{ + if (srp_dev != -1) { + if (ioctl(srp_dev, SRP_FLUSH) != -1) { +#ifdef _USE_WBUF_ + WriteBuff_Flush(); +#endif + return 0; + } + } + + return -1; /* device is not created */ +} + + +int SRP_SetParams(int id, unsigned long val) +{ + if (srp_dev != -1) + return 0; /* not yet */ + + return -1; /* device is not created */ +} + +int SRP_GetParams(int id, unsigned long *pval) +{ + if (srp_dev != -1) + return ioctl(srp_dev, id, pval); + + return -1; /* device is not created */ +} + +int SRP_Deinit(void) +{ + if (srp_dev != -1) { +#ifdef _DUMP_TO_FILE_ + if (fp_dump) + fclose(fp_dump); +#endif + +#ifdef _USE_WBUF_ + WriteBuff_Deinit(); +#endif + return ioctl(srp_dev, SRP_DEINIT); /* Deinialize */ + } + + LOGE("%s: Device is not ready", __func__); + return -1; /* device is not created */ +} + +int SRP_Terminate(void) +{ + int ret; + + if (srp_dev != -1) { + ret = close(srp_dev); + + if (ret == 0) { + srp_dev = -1; /* device closed */ + return 0; + } + } + + LOGE("%s: Device is not ready", __func__); + return -1; /* device is not created or close error*/ +} + +int SRP_IsOpen(void) +{ + if (srp_dev == -1) { + LOGD("%s: Device is not opened", __func__); + return 0; + } + + LOGD("%s: Device is opened", __func__); + return 1; +} |