Lines Matching defs:sspa
3 * linux/sound/soc/pxa/mmp-sspa.c
25 #include "mmp-sspa.h"
45 static void mmp_sspa_tx_enable(struct sspa_priv *sspa)
47 unsigned int sspa_sp = sspa->sp;
52 __raw_writel(sspa_sp, sspa->tx_base + SSPA_SP);
55 static void mmp_sspa_tx_disable(struct sspa_priv *sspa)
57 unsigned int sspa_sp = sspa->sp;
62 __raw_writel(sspa_sp, sspa->tx_base + SSPA_SP);
65 static void mmp_sspa_rx_enable(struct sspa_priv *sspa)
67 unsigned int sspa_sp = sspa->sp;
71 __raw_writel(sspa_sp, sspa->rx_base + SSPA_SP);
74 static void mmp_sspa_rx_disable(struct sspa_priv *sspa)
76 unsigned int sspa_sp = sspa->sp;
80 __raw_writel(sspa_sp, sspa->rx_base + SSPA_SP);
86 struct sspa_priv *sspa = snd_soc_dai_get_drvdata(dai);
88 clk_prepare_enable(sspa->sysclk);
89 clk_prepare_enable(sspa->clk);
97 struct sspa_priv *sspa = snd_soc_dai_get_drvdata(dai);
99 clk_disable_unprepare(sspa->clk);
100 clk_disable_unprepare(sspa->sysclk);
109 struct sspa_priv *sspa = snd_soc_dai_get_drvdata(cpu_dai);
118 ret = clk_set_rate(sspa->audio_clk, freq);
137 struct sspa_priv *sspa = snd_soc_dai_get_drvdata(cpu_dai);
146 ret = clk_set_rate(sspa->sysclk, freq_out);
151 ret = clk_set_rate(sspa->clk, freq_out);
163 * Set up the sspa dai format.
168 struct sspa_priv *sspa = snd_soc_dai_get_drvdata(cpu_dai);
171 sspa->sp = SSPA_SP_WEN | SSPA_SP_S_RST | SSPA_SP_FFLUSH;
172 sspa->ctrl = 0;
176 sspa->sp |= SSPA_SP_MSL;
186 sspa->sp |= SSPA_SP_FSP;
194 sspa->ctrl |= SSPA_CTL_XDATDLY(1);
215 struct sspa_priv *sspa = snd_soc_dai_get_drvdata(dai);
217 u32 sspa_ctrl = sspa->ctrl;
258 sspa->sp &= ~SSPA_SP_FWID_MASK;
259 sspa->sp |= SSPA_SP_FWID(bits - 1);
261 sspa->sp &= ~SSPA_TXSP_FPER_MASK;
262 sspa->sp |= SSPA_TXSP_FPER(bits * 2 - 1);
265 clk_set_rate(sspa->clk, params_rate(params) *
270 __raw_writel(sspa_ctrl, sspa->tx_base + SSPA_CTL);
271 __raw_writel(0x1, sspa->tx_base + SSPA_FIFO_UL);
273 __raw_writel(sspa_ctrl, sspa->rx_base + SSPA_CTL);
274 __raw_writel(0x0, sspa->rx_base + SSPA_FIFO_UL);
283 struct sspa_priv *sspa = snd_soc_dai_get_drvdata(dai);
296 if (!sspa->running_cnt)
297 mmp_sspa_rx_enable(sspa);
300 mmp_sspa_tx_enable(sspa);
302 sspa->running_cnt++;
308 sspa->running_cnt--;
311 mmp_sspa_tx_disable(sspa);
314 if (!sspa->running_cnt)
315 mmp_sspa_rx_disable(sspa);
327 struct sspa_priv *sspa = dev_get_drvdata(dai->dev);
330 &sspa->playback_dma_data,
331 &sspa->capture_dma_data);
417 struct sspa_priv *sspa = snd_soc_component_get_drvdata(component);
422 if ((__raw_readl(sspa->tx_base + SSPA_SP) & SSPA_SP_S_EN) ||
423 (__raw_readl(sspa->rx_base + SSPA_SP) & SSPA_SP_S_EN)) {
429 __raw_writel(sspa->sp, sspa->tx_base + SSPA_SP);
430 __raw_writel(sspa->sp, sspa->rx_base + SSPA_SP);
432 sspa->sp &= ~(SSPA_SP_S_RST | SSPA_SP_FFLUSH);
433 __raw_writel(sspa->sp, sspa->tx_base + SSPA_SP);
434 __raw_writel(sspa->sp, sspa->rx_base + SSPA_SP);
443 __raw_writel(sspa->sp & ~SSPA_SP_MSL, sspa->tx_base + SSPA_SP);
445 __raw_writel(sspa->ctrl, sspa->tx_base + SSPA_CTL);
446 __raw_writel(sspa->ctrl, sspa->rx_base + SSPA_CTL);
459 .name = "mmp-sspa",
468 struct sspa_priv *sspa;
471 sspa = devm_kzalloc(&pdev->dev,
473 if (!sspa)
477 sspa->rx_base = devm_platform_ioremap_resource(pdev, 0);
478 if (IS_ERR(sspa->rx_base))
479 return PTR_ERR(sspa->rx_base);
481 sspa->tx_base = devm_platform_ioremap_resource(pdev, 1);
482 if (IS_ERR(sspa->tx_base))
483 return PTR_ERR(sspa->tx_base);
485 sspa->clk = devm_clk_get(&pdev->dev, "bitclk");
486 if (IS_ERR(sspa->clk))
487 return PTR_ERR(sspa->clk);
489 sspa->audio_clk = devm_clk_get(&pdev->dev, "audio");
490 if (IS_ERR(sspa->audio_clk))
491 return PTR_ERR(sspa->audio_clk);
499 sspa->rx_base = devm_ioremap(&pdev->dev, res->start, 0x30);
500 if (!sspa->rx_base)
503 sspa->tx_base = devm_ioremap(&pdev->dev,
505 if (!sspa->tx_base)
508 sspa->clk = devm_clk_get(&pdev->dev, NULL);
509 if (IS_ERR(sspa->clk))
510 return PTR_ERR(sspa->clk);
512 sspa->audio_clk = clk_get(NULL, "mmp-audio");
513 if (IS_ERR(sspa->audio_clk))
514 return PTR_ERR(sspa->audio_clk);
516 sspa->sysclk = clk_get(NULL, "mmp-sysclk");
517 if (IS_ERR(sspa->sysclk)) {
518 clk_put(sspa->audio_clk);
519 return PTR_ERR(sspa->sysclk);
522 platform_set_drvdata(pdev, sspa);
524 sspa->playback_dma_data.maxburst = 4;
525 sspa->capture_dma_data.maxburst = 4;
527 sspa->capture_dma_data.addr = SSPA_D;
528 sspa->playback_dma_data.addr = 0x80 + SSPA_D;
543 clk_prepare_enable(sspa->audio_clk);
550 struct sspa_priv *sspa = platform_get_drvdata(pdev);
552 clk_disable_unprepare(sspa->audio_clk);
558 clk_put(sspa->audio_clk);
559 clk_put(sspa->sysclk);
564 { .compatible = "marvell,mmp-sspa" },
573 .name = "mmp-sspa-dai",
585 MODULE_ALIAS("platform:mmp-sspa-dai");