28 static void sirf_usp_tx_enable(struct sirf_usp *usp)  in sirf_usp_tx_enable()  argument
30 	regmap_update_bits(usp->regmap, USP_TX_FIFO_OP,  in sirf_usp_tx_enable()
32 	regmap_write(usp->regmap, USP_TX_FIFO_OP, 0);  in sirf_usp_tx_enable()
34 	regmap_update_bits(usp->regmap, USP_TX_FIFO_OP,  in sirf_usp_tx_enable()
37 	regmap_update_bits(usp->regmap, USP_TX_RX_ENABLE,  in sirf_usp_tx_enable()
41 static void sirf_usp_tx_disable(struct sirf_usp *usp)  in sirf_usp_tx_disable()  argument
43 	regmap_update_bits(usp->regmap, USP_TX_RX_ENABLE,  in sirf_usp_tx_disable()
46 	regmap_write(usp->regmap, USP_TX_FIFO_OP, 0);  in sirf_usp_tx_disable()
49 static void sirf_usp_rx_enable(struct sirf_usp *usp)  in sirf_usp_rx_enable()  argument
51 	regmap_update_bits(usp->regmap, USP_RX_FIFO_OP,  in sirf_usp_rx_enable()
53 	regmap_write(usp->regmap, USP_RX_FIFO_OP, 0);  in sirf_usp_rx_enable()
55 	regmap_update_bits(usp->regmap, USP_RX_FIFO_OP,  in sirf_usp_rx_enable()
58 	regmap_update_bits(usp->regmap, USP_TX_RX_ENABLE,  in sirf_usp_rx_enable()
62 static void sirf_usp_rx_disable(struct sirf_usp *usp)  in sirf_usp_rx_disable()  argument
64 	regmap_update_bits(usp->regmap, USP_TX_RX_ENABLE,  in sirf_usp_rx_disable()
67 	regmap_write(usp->regmap, USP_RX_FIFO_OP, 0);  in sirf_usp_rx_disable()
72 	struct sirf_usp *usp = snd_soc_dai_get_drvdata(dai);  in sirf_usp_pcm_dai_probe()  local
74 	snd_soc_dai_init_dma_data(dai, &usp->playback_dma_data,  in sirf_usp_pcm_dai_probe()
75 			&usp->capture_dma_data);  in sirf_usp_pcm_dai_probe()
82 	struct sirf_usp *usp = snd_soc_dai_get_drvdata(dai);  in sirf_usp_pcm_set_dai_fmt()  local
96 		usp->daifmt_format = (fmt & SND_SOC_DAIFMT_FORMAT_MASK);  in sirf_usp_pcm_set_dai_fmt()
107 		usp->daifmt_format |= (fmt & SND_SOC_DAIFMT_INV_MASK);  in sirf_usp_pcm_set_dai_fmt()
116 static void sirf_usp_i2s_init(struct sirf_usp *usp)  in sirf_usp_i2s_init()  argument
119 	regmap_update_bits(usp->regmap, USP_RISC_DSP_MODE,  in sirf_usp_i2s_init()
126 	regmap_write(usp->regmap, USP_TX_DMA_IO_LEN, 0);  in sirf_usp_i2s_init()
127 	regmap_write(usp->regmap, USP_RX_DMA_IO_LEN, 0);  in sirf_usp_i2s_init()
130 	regmap_write(usp->regmap, USP_MODE2, (1 << USP_RXD_DELAY_LEN_OFFSET) |  in sirf_usp_i2s_init()
135 	regmap_write(usp->regmap, USP_MODE1,  in sirf_usp_i2s_init()
141 	regmap_write(usp->regmap, USP_RX_DMA_IO_CTRL, 0);  in sirf_usp_i2s_init()
144 	regmap_write(usp->regmap, USP_RX_FIFO_CTRL,  in sirf_usp_i2s_init()
149 	regmap_write(usp->regmap, USP_RX_FIFO_LEVEL_CHK,  in sirf_usp_i2s_init()
153 	regmap_write(usp->regmap, USP_TX_DMA_IO_CTRL, 0);  in sirf_usp_i2s_init()
156 	regmap_write(usp->regmap, USP_TX_FIFO_CTRL,  in sirf_usp_i2s_init()
160 	regmap_write(usp->regmap, USP_TX_FIFO_LEVEL_CHK,  in sirf_usp_i2s_init()
167 	struct sirf_usp *usp = snd_soc_dai_get_drvdata(dai);  in sirf_usp_pcm_hw_params()  local
190 	switch (usp->daifmt_format & SND_SOC_DAIFMT_FORMAT_MASK) {  in sirf_usp_pcm_hw_params()
192 		regmap_update_bits(usp->regmap, USP_RX_FRAME_CTRL,  in sirf_usp_pcm_hw_params()
196 		regmap_update_bits(usp->regmap, USP_RX_FRAME_CTRL,  in sirf_usp_pcm_hw_params()
206 	switch (usp->daifmt_format & SND_SOC_DAIFMT_INV_MASK) {  in sirf_usp_pcm_hw_params()
210 		regmap_update_bits(usp->regmap, USP_MODE1,  in sirf_usp_pcm_hw_params()
219 		regmap_update_bits(usp->regmap, USP_TX_FRAME_CTRL,  in sirf_usp_pcm_hw_params()
227 		regmap_update_bits(usp->regmap, USP_RX_FRAME_CTRL,  in sirf_usp_pcm_hw_params()
241 	struct sirf_usp *usp = snd_soc_dai_get_drvdata(dai);  in sirf_usp_pcm_trigger()  local
248 			sirf_usp_tx_enable(usp);  in sirf_usp_pcm_trigger()
250 			sirf_usp_rx_enable(usp);  in sirf_usp_pcm_trigger()
256 			sirf_usp_tx_disable(usp);  in sirf_usp_pcm_trigger()
258 			sirf_usp_rx_disable(usp);  in sirf_usp_pcm_trigger()
296 	struct sirf_usp *usp = dev_get_drvdata(dev);  in sirf_usp_pcm_runtime_suspend()  local
298 	clk_disable_unprepare(usp->clk);  in sirf_usp_pcm_runtime_suspend()
304 	struct sirf_usp *usp = dev_get_drvdata(dev);  in sirf_usp_pcm_runtime_resume()  local
307 	ret = clk_prepare_enable(usp->clk);  in sirf_usp_pcm_runtime_resume()
312 	sirf_usp_i2s_init(usp);  in sirf_usp_pcm_runtime_resume()
319 	struct sirf_usp *usp = dev_get_drvdata(dev);  in sirf_usp_pcm_suspend()  local
322 		regmap_read(usp->regmap, USP_MODE1, &usp->mode1_reg);  in sirf_usp_pcm_suspend()
323 		regmap_read(usp->regmap, USP_MODE2, &usp->mode2_reg);  in sirf_usp_pcm_suspend()
331 	struct sirf_usp *usp = dev_get_drvdata(dev);  in sirf_usp_pcm_resume()  local
338 		regmap_write(usp->regmap, USP_MODE1, usp->mode1_reg);  in sirf_usp_pcm_resume()
339 		regmap_write(usp->regmap, USP_MODE2, usp->mode2_reg);  in sirf_usp_pcm_resume()
360 	struct sirf_usp *usp;  in sirf_usp_pcm_probe()  local
363 	usp = devm_kzalloc(&pdev->dev, sizeof(struct sirf_usp),  in sirf_usp_pcm_probe()
365 	if (!usp)  in sirf_usp_pcm_probe()
368 	platform_set_drvdata(pdev, usp);  in sirf_usp_pcm_probe()
373 	usp->regmap = devm_regmap_init_mmio(&pdev->dev, base,  in sirf_usp_pcm_probe()
375 	if (IS_ERR(usp->regmap))  in sirf_usp_pcm_probe()
376 		return PTR_ERR(usp->regmap);  in sirf_usp_pcm_probe()
378 	usp->clk = devm_clk_get(&pdev->dev, NULL);  in sirf_usp_pcm_probe()
379 	if (IS_ERR(usp->clk)) {  in sirf_usp_pcm_probe()
381 		return PTR_ERR(usp->clk);  in sirf_usp_pcm_probe()