44 static void spdif_out_configure(struct spdif_out_dev *host)  in spdif_out_configure()  argument
46 	writel(SPDIF_OUT_RESET, host->io_base + SPDIF_OUT_SOFT_RST);  in spdif_out_configure()
48 	writel(readl(host->io_base + SPDIF_OUT_SOFT_RST) & ~SPDIF_OUT_RESET,  in spdif_out_configure()
49 			host->io_base + SPDIF_OUT_SOFT_RST);  in spdif_out_configure()
54 			host->io_base + SPDIF_OUT_CFG);  in spdif_out_configure()
56 	writel(0x7F, host->io_base + SPDIF_OUT_INT_STA_CLR);  in spdif_out_configure()
57 	writel(0x7F, host->io_base + SPDIF_OUT_INT_EN_CLR);  in spdif_out_configure()
63 	struct spdif_out_dev *host = snd_soc_dai_get_drvdata(cpu_dai);  in spdif_out_startup()  local
69 	ret = clk_enable(host->clk);  in spdif_out_startup()
73 	host->running = true;  in spdif_out_startup()
74 	spdif_out_configure(host);  in spdif_out_startup()
82 	struct spdif_out_dev *host = snd_soc_dai_get_drvdata(dai);  in spdif_out_shutdown()  local
87 	clk_disable(host->clk);  in spdif_out_shutdown()
88 	host->running = false;  in spdif_out_shutdown()
91 static void spdif_out_clock(struct spdif_out_dev *host, u32 core_freq,  in spdif_out_clock()  argument
96 	clk_set_rate(host->clk, core_freq);  in spdif_out_clock()
97 	divider = DIV_ROUND_CLOSEST(clk_get_rate(host->clk), (rate * 128));  in spdif_out_clock()
99 	ctrl = readl(host->io_base + SPDIF_OUT_CTRL);  in spdif_out_clock()
102 	writel(ctrl, host->io_base + SPDIF_OUT_CTRL);  in spdif_out_clock()
109 	struct spdif_out_dev *host = snd_soc_dai_get_drvdata(dai);  in spdif_out_hw_params()  local
144 	spdif_out_clock(host, core_freq, rate);  in spdif_out_hw_params()
145 	host->saved_params.core_freq = core_freq;  in spdif_out_hw_params()
146 	host->saved_params.rate = rate;  in spdif_out_hw_params()
154 	struct spdif_out_dev *host = snd_soc_dai_get_drvdata(dai);  in spdif_out_trigger()  local
165 			ctrl = readl(host->io_base + SPDIF_OUT_CTRL);  in spdif_out_trigger()
167 			if (!host->saved_params.mute)  in spdif_out_trigger()
172 			writel(ctrl, host->io_base + SPDIF_OUT_CTRL);  in spdif_out_trigger()
178 		ctrl = readl(host->io_base + SPDIF_OUT_CTRL);  in spdif_out_trigger()
181 		writel(ctrl, host->io_base + SPDIF_OUT_CTRL);  in spdif_out_trigger()
193 	struct spdif_out_dev *host = snd_soc_dai_get_drvdata(dai);  in spdif_digital_mute()  local
196 	host->saved_params.mute = mute;  in spdif_digital_mute()
197 	val = readl(host->io_base + SPDIF_OUT_CTRL);  in spdif_digital_mute()
203 		if (host->running)  in spdif_digital_mute()
209 	writel(val, host->io_base + SPDIF_OUT_CTRL);  in spdif_digital_mute()
217 	struct spdif_out_dev *host = snd_soc_dai_get_drvdata(cpu_dai);  in spdif_mute_get()  local
219 	ucontrol->value.integer.value[0] = host->saved_params.mute;  in spdif_mute_get()
227 	struct spdif_out_dev *host = snd_soc_dai_get_drvdata(cpu_dai);  in spdif_mute_put()  local
229 	if (host->saved_params.mute == ucontrol->value.integer.value[0])  in spdif_mute_put()
243 	struct spdif_out_dev *host = snd_soc_dai_get_drvdata(dai);  in spdif_soc_dai_probe()  local
245 	host->dma_params_tx.filter_data = &host->dma_params;  in spdif_soc_dai_probe()
246 	dai->playback_dma_data = &host->dma_params_tx;  in spdif_soc_dai_probe()
279 	struct spdif_out_dev *host;  in spdif_out_probe()  local
284 	host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL);  in spdif_out_probe()
285 	if (!host) {  in spdif_out_probe()
291 	host->io_base = devm_ioremap_resource(&pdev->dev, res);  in spdif_out_probe()
292 	if (IS_ERR(host->io_base))  in spdif_out_probe()
293 		return PTR_ERR(host->io_base);  in spdif_out_probe()
295 	host->clk = devm_clk_get(&pdev->dev, NULL);  in spdif_out_probe()
296 	if (IS_ERR(host->clk))  in spdif_out_probe()
297 		return PTR_ERR(host->clk);  in spdif_out_probe()
301 	host->dma_params.data = pdata->dma_params;  in spdif_out_probe()
302 	host->dma_params.addr = res->start + SPDIF_OUT_FIFO_DATA;  in spdif_out_probe()
303 	host->dma_params.max_burst = 16;  in spdif_out_probe()
304 	host->dma_params.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;  in spdif_out_probe()
306 	dev_set_drvdata(&pdev->dev, host);  in spdif_out_probe()
313 	return devm_spear_pcm_platform_register(&pdev->dev, &host->config,  in spdif_out_probe()
321 	struct spdif_out_dev *host = dev_get_drvdata(&pdev->dev);  in spdif_out_suspend()  local
323 	if (host->running)  in spdif_out_suspend()
324 		clk_disable(host->clk);  in spdif_out_suspend()
332 	struct spdif_out_dev *host = dev_get_drvdata(&pdev->dev);  in spdif_out_resume()  local
334 	if (host->running) {  in spdif_out_resume()
335 		clk_enable(host->clk);  in spdif_out_resume()
336 		spdif_out_configure(host);  in spdif_out_resume()
337 		spdif_out_clock(host, host->saved_params.core_freq,  in spdif_out_resume()
338 				host->saved_params.rate);  in spdif_out_resume()