Lines Matching full:i2s
3 * IMG I2S output controller driver
69 struct img_i2s_out *i2s = dev_get_drvdata(dev); in img_i2s_out_runtime_suspend() local
71 clk_disable_unprepare(i2s->clk_ref); in img_i2s_out_runtime_suspend()
72 clk_disable_unprepare(i2s->clk_sys); in img_i2s_out_runtime_suspend()
79 struct img_i2s_out *i2s = dev_get_drvdata(dev); in img_i2s_out_runtime_resume() local
82 ret = clk_prepare_enable(i2s->clk_sys); in img_i2s_out_runtime_resume()
88 ret = clk_prepare_enable(i2s->clk_ref); in img_i2s_out_runtime_resume()
91 clk_disable_unprepare(i2s->clk_sys); in img_i2s_out_runtime_resume()
98 static inline void img_i2s_out_writel(struct img_i2s_out *i2s, u32 val, in img_i2s_out_writel() argument
101 writel(val, i2s->base + reg); in img_i2s_out_writel()
104 static inline u32 img_i2s_out_readl(struct img_i2s_out *i2s, u32 reg) in img_i2s_out_readl() argument
106 return readl(i2s->base + reg); in img_i2s_out_readl()
109 static inline void img_i2s_out_ch_writel(struct img_i2s_out *i2s, in img_i2s_out_ch_writel() argument
112 writel(val, i2s->channel_base + (chan * IMG_I2S_OUT_CH_STRIDE) + reg); in img_i2s_out_ch_writel()
115 static inline u32 img_i2s_out_ch_readl(struct img_i2s_out *i2s, u32 chan, in img_i2s_out_ch_readl() argument
118 return readl(i2s->channel_base + (chan * IMG_I2S_OUT_CH_STRIDE) + reg); in img_i2s_out_ch_readl()
121 static inline void img_i2s_out_ch_disable(struct img_i2s_out *i2s, u32 chan) in img_i2s_out_ch_disable() argument
125 reg = img_i2s_out_ch_readl(i2s, chan, IMG_I2S_OUT_CH_CTL); in img_i2s_out_ch_disable()
127 img_i2s_out_ch_writel(i2s, chan, reg, IMG_I2S_OUT_CH_CTL); in img_i2s_out_ch_disable()
130 static inline void img_i2s_out_ch_enable(struct img_i2s_out *i2s, u32 chan) in img_i2s_out_ch_enable() argument
134 reg = img_i2s_out_ch_readl(i2s, chan, IMG_I2S_OUT_CH_CTL); in img_i2s_out_ch_enable()
136 img_i2s_out_ch_writel(i2s, chan, reg, IMG_I2S_OUT_CH_CTL); in img_i2s_out_ch_enable()
139 static inline void img_i2s_out_disable(struct img_i2s_out *i2s) in img_i2s_out_disable() argument
143 reg = img_i2s_out_readl(i2s, IMG_I2S_OUT_CTL); in img_i2s_out_disable()
145 img_i2s_out_writel(i2s, reg, IMG_I2S_OUT_CTL); in img_i2s_out_disable()
148 static inline void img_i2s_out_enable(struct img_i2s_out *i2s) in img_i2s_out_enable() argument
152 reg = img_i2s_out_readl(i2s, IMG_I2S_OUT_CTL); in img_i2s_out_enable()
154 img_i2s_out_writel(i2s, reg, IMG_I2S_OUT_CTL); in img_i2s_out_enable()
157 static void img_i2s_out_reset(struct img_i2s_out *i2s) in img_i2s_out_reset() argument
162 core_ctl = img_i2s_out_readl(i2s, IMG_I2S_OUT_CTL) & in img_i2s_out_reset()
166 if (!i2s->force_clk_active) in img_i2s_out_reset()
169 chan_ctl = img_i2s_out_ch_readl(i2s, 0, IMG_I2S_OUT_CH_CTL) & in img_i2s_out_reset()
172 reset_control_assert(i2s->rst); in img_i2s_out_reset()
173 reset_control_deassert(i2s->rst); in img_i2s_out_reset()
175 for (i = 0; i < i2s->max_i2s_chan; i++) in img_i2s_out_reset()
176 img_i2s_out_ch_writel(i2s, i, chan_ctl, IMG_I2S_OUT_CH_CTL); in img_i2s_out_reset()
178 for (i = 0; i < i2s->active_channels; i++) in img_i2s_out_reset()
179 img_i2s_out_ch_enable(i2s, i); in img_i2s_out_reset()
181 img_i2s_out_writel(i2s, core_ctl, IMG_I2S_OUT_CTL); in img_i2s_out_reset()
182 img_i2s_out_enable(i2s); in img_i2s_out_reset()
188 struct img_i2s_out *i2s = snd_soc_dai_get_drvdata(dai); in img_i2s_out_trigger() local
195 reg = img_i2s_out_readl(i2s, IMG_I2S_OUT_CTL); in img_i2s_out_trigger()
196 if (!i2s->force_clk_active) in img_i2s_out_trigger()
199 img_i2s_out_writel(i2s, reg, IMG_I2S_OUT_CTL); in img_i2s_out_trigger()
204 img_i2s_out_reset(i2s); in img_i2s_out_trigger()
216 struct img_i2s_out *i2s = snd_soc_dai_get_drvdata(dai); in img_i2s_out_hw_params() local
232 (channels > (i2s->max_i2s_chan * 2)) || in img_i2s_out_hw_params()
236 pre_div_a = clk_round_rate(i2s->clk_ref, rate * 256); in img_i2s_out_hw_params()
239 pre_div_b = clk_round_rate(i2s->clk_ref, rate * 384); in img_i2s_out_hw_params()
248 clk_set_rate(i2s->clk_ref, pre_div_b); in img_i2s_out_hw_params()
250 clk_set_rate(i2s->clk_ref, pre_div_a); in img_i2s_out_hw_params()
257 clk_rate = clk_get_rate(i2s->clk_ref); in img_i2s_out_hw_params()
272 img_i2s_out_disable(i2s); in img_i2s_out_hw_params()
274 reg = img_i2s_out_readl(i2s, IMG_I2S_OUT_CTL); in img_i2s_out_hw_params()
276 img_i2s_out_writel(i2s, reg, IMG_I2S_OUT_CTL); in img_i2s_out_hw_params()
279 img_i2s_out_ch_enable(i2s, i); in img_i2s_out_hw_params()
281 for (; i < i2s->max_i2s_chan; i++) in img_i2s_out_hw_params()
282 img_i2s_out_ch_disable(i2s, i); in img_i2s_out_hw_params()
284 img_i2s_out_enable(i2s); in img_i2s_out_hw_params()
286 i2s->active_channels = i2s_channels; in img_i2s_out_hw_params()
293 struct img_i2s_out *i2s = snd_soc_dai_get_drvdata(dai); in img_i2s_out_set_fmt() local
349 ret = pm_runtime_get_sync(i2s->dev); in img_i2s_out_set_fmt()
351 pm_runtime_put_noidle(i2s->dev); in img_i2s_out_set_fmt()
355 img_i2s_out_disable(i2s); in img_i2s_out_set_fmt()
357 reg = img_i2s_out_readl(i2s, IMG_I2S_OUT_CTL); in img_i2s_out_set_fmt()
359 img_i2s_out_writel(i2s, reg, IMG_I2S_OUT_CTL); in img_i2s_out_set_fmt()
361 for (i = 0; i < i2s->active_channels; i++) in img_i2s_out_set_fmt()
362 img_i2s_out_ch_disable(i2s, i); in img_i2s_out_set_fmt()
364 for (i = 0; i < i2s->max_i2s_chan; i++) { in img_i2s_out_set_fmt()
365 reg = img_i2s_out_ch_readl(i2s, i, IMG_I2S_OUT_CH_CTL); in img_i2s_out_set_fmt()
367 img_i2s_out_ch_writel(i2s, i, reg, IMG_I2S_OUT_CH_CTL); in img_i2s_out_set_fmt()
370 for (i = 0; i < i2s->active_channels; i++) in img_i2s_out_set_fmt()
371 img_i2s_out_ch_enable(i2s, i); in img_i2s_out_set_fmt()
373 img_i2s_out_enable(i2s); in img_i2s_out_set_fmt()
374 pm_runtime_put(i2s->dev); in img_i2s_out_set_fmt()
376 i2s->force_clk_active = force_clk_active; in img_i2s_out_set_fmt()
389 struct img_i2s_out *i2s = snd_soc_dai_get_drvdata(dai); in img_i2s_out_dai_probe() local
391 snd_soc_dai_init_dma_data(dai, &i2s->dma_data, NULL); in img_i2s_out_dai_probe()
397 .name = "img-i2s-out"
427 struct img_i2s_out *i2s; in img_i2s_out_probe() local
435 i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL); in img_i2s_out_probe()
436 if (!i2s) in img_i2s_out_probe()
439 platform_set_drvdata(pdev, i2s); in img_i2s_out_probe()
441 i2s->dev = &pdev->dev; in img_i2s_out_probe()
448 i2s->base = base; in img_i2s_out_probe()
450 if (of_property_read_u32(pdev->dev.of_node, "img,i2s-channels", in img_i2s_out_probe()
451 &i2s->max_i2s_chan)) { in img_i2s_out_probe()
452 dev_err(&pdev->dev, "No img,i2s-channels property\n"); in img_i2s_out_probe()
456 max_i2s_chan_pow_2 = 1 << get_count_order(i2s->max_i2s_chan); in img_i2s_out_probe()
458 i2s->channel_base = base + (max_i2s_chan_pow_2 * 0x20); in img_i2s_out_probe()
460 i2s->rst = devm_reset_control_get_exclusive(&pdev->dev, "rst"); in img_i2s_out_probe()
461 if (IS_ERR(i2s->rst)) { in img_i2s_out_probe()
462 if (PTR_ERR(i2s->rst) != -EPROBE_DEFER) in img_i2s_out_probe()
464 return PTR_ERR(i2s->rst); in img_i2s_out_probe()
467 i2s->clk_sys = devm_clk_get(&pdev->dev, "sys"); in img_i2s_out_probe()
468 if (IS_ERR(i2s->clk_sys)) { in img_i2s_out_probe()
469 if (PTR_ERR(i2s->clk_sys) != -EPROBE_DEFER) in img_i2s_out_probe()
471 return PTR_ERR(i2s->clk_sys); in img_i2s_out_probe()
474 i2s->clk_ref = devm_clk_get(&pdev->dev, "ref"); in img_i2s_out_probe()
475 if (IS_ERR(i2s->clk_ref)) { in img_i2s_out_probe()
476 if (PTR_ERR(i2s->clk_ref) != -EPROBE_DEFER) in img_i2s_out_probe()
478 return PTR_ERR(i2s->clk_ref); in img_i2s_out_probe()
481 i2s->suspend_ch_ctl = devm_kcalloc(dev, in img_i2s_out_probe()
482 i2s->max_i2s_chan, sizeof(*i2s->suspend_ch_ctl), GFP_KERNEL); in img_i2s_out_probe()
483 if (!i2s->suspend_ch_ctl) in img_i2s_out_probe()
499 img_i2s_out_writel(i2s, reg, IMG_I2S_OUT_CTL); in img_i2s_out_probe()
506 for (i = 0; i < i2s->max_i2s_chan; i++) in img_i2s_out_probe()
507 img_i2s_out_ch_writel(i2s, i, reg, IMG_I2S_OUT_CH_CTL); in img_i2s_out_probe()
509 img_i2s_out_reset(i2s); in img_i2s_out_probe()
512 i2s->active_channels = 1; in img_i2s_out_probe()
513 i2s->dma_data.addr = res->start + IMG_I2S_OUT_TX_FIFO; in img_i2s_out_probe()
514 i2s->dma_data.addr_width = 4; in img_i2s_out_probe()
515 i2s->dma_data.maxburst = 4; in img_i2s_out_probe()
517 i2s->dai_driver.probe = img_i2s_out_dai_probe; in img_i2s_out_probe()
518 i2s->dai_driver.playback.channels_min = 2; in img_i2s_out_probe()
519 i2s->dai_driver.playback.channels_max = i2s->max_i2s_chan * 2; in img_i2s_out_probe()
520 i2s->dai_driver.playback.rates = SNDRV_PCM_RATE_8000_192000; in img_i2s_out_probe()
521 i2s->dai_driver.playback.formats = SNDRV_PCM_FMTBIT_S32_LE; in img_i2s_out_probe()
522 i2s->dai_driver.ops = &img_i2s_out_dai_ops; in img_i2s_out_probe()
525 &img_i2s_out_component, &i2s->dai_driver, 1); in img_i2s_out_probe()
557 struct img_i2s_out *i2s = dev_get_drvdata(dev); in img_i2s_out_suspend() local
567 for (i = 0; i < i2s->max_i2s_chan; i++) { in img_i2s_out_suspend()
568 reg = img_i2s_out_ch_readl(i2s, i, IMG_I2S_OUT_CH_CTL); in img_i2s_out_suspend()
569 i2s->suspend_ch_ctl[i] = reg; in img_i2s_out_suspend()
572 i2s->suspend_ctl = img_i2s_out_readl(i2s, IMG_I2S_OUT_CTL); in img_i2s_out_suspend()
581 struct img_i2s_out *i2s = dev_get_drvdata(dev); in img_i2s_out_resume() local
589 for (i = 0; i < i2s->max_i2s_chan; i++) { in img_i2s_out_resume()
590 reg = i2s->suspend_ch_ctl[i]; in img_i2s_out_resume()
591 img_i2s_out_ch_writel(i2s, i, reg, IMG_I2S_OUT_CH_CTL); in img_i2s_out_resume()
594 img_i2s_out_writel(i2s, i2s->suspend_ctl, IMG_I2S_OUT_CTL); in img_i2s_out_resume()
604 { .compatible = "img,i2s-out" },
617 .name = "img-i2s-out",
627 MODULE_DESCRIPTION("IMG I2S Output Driver");