diff options
Diffstat (limited to 'sound/soc/intel/sst-haswell-ipc.c')
| -rw-r--r-- | sound/soc/intel/sst-haswell-ipc.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/sound/soc/intel/sst-haswell-ipc.c b/sound/soc/intel/sst-haswell-ipc.c index a97324dff8fa..43fb5f339168 100644 --- a/sound/soc/intel/sst-haswell-ipc.c +++ b/sound/soc/intel/sst-haswell-ipc.c @@ -341,6 +341,11 @@ struct sst_hsw { /* flags bit field to track module state when resume from RTD3, * each bit represent state (enabled/disabled) of single module */ u32 enabled_modules_rtd3; + + /* buffer to store parameter lines */ + u32 param_idx_w; /* write index */ + u32 param_idx_r; /* read index */ + u8 param_buf[WAVES_PARAM_LINES][WAVES_PARAM_COUNT]; }; #define CREATE_TRACE_POINTS @@ -2005,6 +2010,62 @@ bool sst_hsw_is_module_enabled_rtd3(struct sst_hsw *hsw, u32 module_id) return hsw->enabled_modules_rtd3 & (1 << module_id); } +void sst_hsw_reset_param_buf(struct sst_hsw *hsw) +{ + hsw->param_idx_w = 0; + hsw->param_idx_r = 0; + memset((void *)hsw->param_buf, 0, sizeof(hsw->param_buf)); +} + +int sst_hsw_store_param_line(struct sst_hsw *hsw, u8 *buf) +{ + /* save line to the first available position of param buffer */ + if (hsw->param_idx_w > WAVES_PARAM_LINES - 1) { + dev_warn(hsw->dev, "warning: param buffer overflow!\n"); + return -EPERM; + } + memcpy(hsw->param_buf[hsw->param_idx_w], buf, WAVES_PARAM_COUNT); + hsw->param_idx_w++; + return 0; +} + +int sst_hsw_load_param_line(struct sst_hsw *hsw, u8 *buf) +{ + u8 id = 0; + + /* read the first matching line from param buffer */ + while (hsw->param_idx_r < WAVES_PARAM_LINES) { + id = hsw->param_buf[hsw->param_idx_r][0]; + hsw->param_idx_r++; + if (buf[0] == id) { + memcpy(buf, hsw->param_buf[hsw->param_idx_r], + WAVES_PARAM_COUNT); + break; + } + } + if (hsw->param_idx_r > WAVES_PARAM_LINES - 1) { + dev_dbg(hsw->dev, "end of buffer, roll to the beginning\n"); + hsw->param_idx_r = 0; + return 0; + } + return 0; +} + +int sst_hsw_launch_param_buf(struct sst_hsw *hsw) +{ + int ret, idx; + + /* put all param lines to DSP through ipc */ + for (idx = 0; idx < hsw->param_idx_w; idx++) { + ret = sst_hsw_module_set_param(hsw, + SST_HSW_MODULE_WAVES, 0, hsw->param_buf[idx][0], + WAVES_PARAM_COUNT, hsw->param_buf[idx]); + if (ret < 0) + return ret; + } + return 0; +} + int sst_hsw_module_load(struct sst_hsw *hsw, u32 module_id, u32 instance_id, char *name) { @@ -2299,6 +2360,9 @@ int sst_hsw_dsp_init(struct device *dev, struct sst_pdata *pdata) if (ret < 0) goto boot_err; + /* init param buffer */ + sst_hsw_reset_param_buf(hsw); + /* wait for DSP boot completion */ sst_dsp_boot(hsw->dsp); ret = wait_event_timeout(hsw->boot_wait, hsw->boot_complete, |