sound/spi/at73c213.c

27 #include <linux/atmel-ssc.h>
69 	struct ssc_device		*ssc;
131 	unsigned long ssc_rate = clk_get_rate(chip->ssc->clk);
166 		/* SSC clock / (ssc divider * 16-bit * stereo). */
193 	ssc_writel(chip->ssc->regs, CMR, ssc_div/2);
195 	/* SSC clock / (ssc divider * 16-bit * stereo). */
221 	err = clk_enable(chip->ssc->clk);
232 	clk_disable(chip->ssc->clk);
243 	val = ssc_readl(chip->ssc->regs, TFMR);
245 	ssc_writel(chip->ssc->regs, TFMR, val);
260 	ssc_writel(chip->ssc->regs, PDC_TPR,
262 	ssc_writel(chip->ssc->regs, PDC_TCR,
264 	ssc_writel(chip->ssc->regs, PDC_TNPR,
266 	ssc_writel(chip->ssc->regs, PDC_TNCR,
282 		ssc_writel(chip->ssc->regs, IER, SSC_BIT(IER_ENDTX));
283 		ssc_writel(chip->ssc->regs, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTEN));
286 		ssc_writel(chip->ssc->regs, PDC_PTCR, SSC_BIT(PDC_PTCR_TXTDIS));
287 		ssc_writel(chip->ssc->regs, IDR, SSC_BIT(IDR_ENDTX));
308 	bytes = ssc_readl(chip->ssc->regs, PDC_TPR)
345 			SNDRV_DMA_TYPE_DEV, &chip->ssc->pdev->dev,
364 	status = ssc_readl(chip->ssc->regs, IMR);
376 		ssc_writel(chip->ssc->regs, PDC_TNPR,
378 		ssc_writel(chip->ssc->regs, PDC_TNCR,
383 	ssc_readl(chip->ssc->regs, IMR);
749 	ssc_writel(chip->ssc->regs, TCMR,
761 	ssc_writel(chip->ssc->regs, TFMR,
855 	ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXEN));
869 	ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));
887 	irq = chip->ssc->irq;
896 	retval = clk_enable(chip->ssc->clk);
938 	clk_disable(chip->ssc->clk);
978 	chip->ssc = ssc_request(board->ssc_id);
979 	if (IS_ERR(chip->ssc)) {
980 		dev_dbg(&spi->dev, "could not get ssc%d device\n",
982 		retval = PTR_ERR(chip->ssc);
1003 	ssc_free(chip->ssc);
1017 	retval = clk_enable(chip->ssc->clk);
1020 	ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));
1021 	clk_disable(chip->ssc->clk);
1075 	ssc_free(chip->ssc);
1084 	ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXDIS));
1085 	clk_disable(chip->ssc->clk);
1100 	retval = clk_enable(chip->ssc->clk);
1105 	ssc_writel(chip->ssc->regs, CR, SSC_BIT(CR_TXEN));