int omap_st_disable(struct omap_mcbsp *mcbsp) { struct omap_mcbsp_st_data *st_data = mcbsp->st_data; int ret = 0; if (!st_data) return -ENODEV; spin_lock_irq(&mcbsp->lock); omap_st_stop(mcbsp); st_data->enabled = 0; spin_unlock_irq(&mcbsp->lock); return ret; }
void omap_mcbsp_stop(unsigned int id, int tx, int rx) { struct omap_mcbsp *mcbsp; int idle; u16 w; if (!omap_mcbsp_check_valid_id(id)) { printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); return; } mcbsp = id_to_mcbsp_ptr(id); /* Reset transmitter */ tx &= 1; if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) { w = MCBSP_READ_CACHE(mcbsp, XCCR); w |= (tx ? XDISABLE : 0); MCBSP_WRITE(mcbsp, XCCR, w); } w = MCBSP_READ_CACHE(mcbsp, SPCR2); MCBSP_WRITE(mcbsp, SPCR2, w & ~tx); /* Reset receiver */ rx &= 1; if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) { w = MCBSP_READ_CACHE(mcbsp, RCCR); w |= (rx ? RDISABLE : 0); MCBSP_WRITE(mcbsp, RCCR, w); } w = MCBSP_READ_CACHE(mcbsp, SPCR1); MCBSP_WRITE(mcbsp, SPCR1, w & ~rx); idle = !((MCBSP_READ_CACHE(mcbsp, SPCR2) | MCBSP_READ_CACHE(mcbsp, SPCR1)) & 1); if (idle) { /* Reset the sample rate generator */ w = MCBSP_READ_CACHE(mcbsp, SPCR2); MCBSP_WRITE(mcbsp, SPCR2, w & ~(1 << 6)); } if (cpu_is_omap34xx()) omap_st_stop(mcbsp); }
void omap_mcbsp_stop(struct omap_mcbsp *mcbsp, int tx, int rx) { int idle; u16 w; /* Reset transmitter */ tx &= 1; if (mcbsp->pdata->has_ccr) { w = MCBSP_READ_CACHE(mcbsp, XCCR); w |= (tx ? XDISABLE : 0); MCBSP_WRITE(mcbsp, XCCR, w); } w = MCBSP_READ_CACHE(mcbsp, SPCR2); MCBSP_WRITE(mcbsp, SPCR2, w & ~tx); /* Reset receiver */ rx &= 1; if (mcbsp->pdata->has_ccr) { w = MCBSP_READ_CACHE(mcbsp, RCCR); w |= (rx ? RDISABLE : 0); MCBSP_WRITE(mcbsp, RCCR, w); } w = MCBSP_READ_CACHE(mcbsp, SPCR1); MCBSP_WRITE(mcbsp, SPCR1, w & ~rx); idle = !((MCBSP_READ_CACHE(mcbsp, SPCR2) | MCBSP_READ_CACHE(mcbsp, SPCR1)) & 1); if (idle) { /* Reset the sample rate generator */ w = MCBSP_READ_CACHE(mcbsp, SPCR2); MCBSP_WRITE(mcbsp, SPCR2, w & ~(1 << 6)); } if (mcbsp->st_data) omap_st_stop(mcbsp); }
void omap_mcbsp_stop(struct omap_mcbsp *mcbsp, int tx, int rx) { int idle; u16 w; tx &= 1; if (mcbsp->pdata->has_ccr) { w = MCBSP_READ_CACHE(mcbsp, XCCR); w |= (tx ? XDISABLE : 0); MCBSP_WRITE(mcbsp, XCCR, w); } w = MCBSP_READ_CACHE(mcbsp, SPCR2); MCBSP_WRITE(mcbsp, SPCR2, w & ~tx); rx &= 1; if (mcbsp->pdata->has_ccr) { w = MCBSP_READ_CACHE(mcbsp, RCCR); w |= (rx ? RDISABLE : 0); MCBSP_WRITE(mcbsp, RCCR, w); } w = MCBSP_READ_CACHE(mcbsp, SPCR1); MCBSP_WRITE(mcbsp, SPCR1, w & ~rx); idle = !((MCBSP_READ_CACHE(mcbsp, SPCR2) | MCBSP_READ_CACHE(mcbsp, SPCR1)) & 1); if (idle) { w = MCBSP_READ_CACHE(mcbsp, SPCR2); MCBSP_WRITE(mcbsp, SPCR2, w & ~(1 << 6)); } if (mcbsp->st_data) omap_st_stop(mcbsp); }
int omap_st_disable(unsigned int id) { struct omap_mcbsp *mcbsp; struct omap_mcbsp_st_data *st_data; int ret = 0; if (!omap_mcbsp_check_valid_id(id)) { printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1); return -ENODEV; } mcbsp = id_to_mcbsp_ptr(id); st_data = mcbsp->st_data; if (!st_data) return -ENODEV; spin_lock_irq(&mcbsp->lock); omap_st_stop(mcbsp); st_data->enabled = 0; spin_unlock_irq(&mcbsp->lock); return ret; }