void pcm_play_dma_init(void) { IO_INTC_IRQ0 = 1 << 11; IO_INTC_EINT0 |= 1 << 11; IO_DSPC_HPIB_CONTROL = 1 << 10 | 1 << 9 | 1 << 8 | 1 << 7 | 1 << 3 | 1 << 0; dsp_reset(); dsp_load(dsp_image); dsp_wake(); }
void pcm_play_dma_init(void) { IO_INTC_IRQ0 = INTR_IRQ0_IMGBUF; bitset16(&IO_INTC_EINT0, INTR_EINT0_IMGBUF); /* Set this as a FIQ */ bitset16(&IO_INTC_FISEL0, INTR_EINT0_IMGBUF); /* Enable the HPIB clock */ bitset16(&IO_CLK_MOD0, (CLK_MOD0_HPIB | CLK_MOD0_DSP)); IO_SDRAM_SDDMASEL = 0x24; IO_DSPC_HPIB_CONTROL = 1 << 10 | 1 << 9 | 1 << 8 | 1 << 7 | 1 << 3 | 1 << 0; dsp_reset(); dsp_load(dsp_image); DSP_(_dma0_stopped)=1; dsp_wake(); }
int main(int argc, const char **argv) { int ret = 0; int dsp_handle; void *proc; char *cmd[1]; if (argc != 2) { pr_err("Wrong arguments: %s <dsp_program>", argv[0]); return -1; } dsp_handle = dsp_open(); if (dsp_handle < 0) { pr_err("dsp open failed"); return -1; } if (!dsp_attach(dsp_handle, 0, NULL, &proc)) { pr_err("dsp attach failed"); ret = -1; goto leave; } if (!dsp_stop(dsp_handle, proc)) { pr_err("dsp stop failed"); ret = -1; goto leave; } cmd[0] = (char *) argv[1]; if (!dsp_load(dsp_handle, proc, 1, cmd, NULL)) { pr_err("dsp load failed"); ret = -1; goto leave; } if (!dsp_start(dsp_handle, proc)) { pr_err("dsp start failed"); ret = -1; } leave: if (proc) { if (!dsp_detach(dsp_handle, proc)) { pr_err("dsp detach failed"); ret = -1; } proc = NULL; } if (dsp_handle > 0) { if (dsp_close(dsp_handle) < 0) { pr_err("dsp close failed"); return -1; } } return ret; }