Lines Matching full:sai
3 * ALSA SoC Audio Layer - Rockchip SAI Controller driver
23 #define DRV_NAME "rockchip-sai"
75 struct rk_sai_dev *sai = dev_get_drvdata(dev); in rockchip_sai_runtime_suspend() local
79 if (sai->is_master_mode) in rockchip_sai_runtime_suspend()
80 regmap_update_bits(sai->regmap, SAI_XFER, in rockchip_sai_runtime_suspend()
86 ret = regmap_read_poll_timeout_atomic(sai->regmap, SAI_XFER, val, in rockchip_sai_runtime_suspend()
89 dev_warn(sai->dev, "Failed to idle FS\n"); in rockchip_sai_runtime_suspend()
91 regcache_cache_only(sai->regmap, true); in rockchip_sai_runtime_suspend()
107 clk_disable_unprepare(sai->mclk); in rockchip_sai_runtime_suspend()
108 clk_disable_unprepare(sai->hclk); in rockchip_sai_runtime_suspend()
115 struct rk_sai_dev *sai = dev_get_drvdata(dev); in rockchip_sai_runtime_resume() local
118 ret = clk_prepare_enable(sai->hclk); in rockchip_sai_runtime_resume()
122 ret = clk_prepare_enable(sai->mclk); in rockchip_sai_runtime_resume()
126 regcache_cache_only(sai->regmap, false); in rockchip_sai_runtime_resume()
127 regcache_mark_dirty(sai->regmap); in rockchip_sai_runtime_resume()
128 ret = regcache_sync(sai->regmap); in rockchip_sai_runtime_resume()
132 if (sai->quirks & QUIRK_ALWAYS_ON && sai->is_master_mode) in rockchip_sai_runtime_resume()
133 regmap_update_bits(sai->regmap, SAI_XFER, in rockchip_sai_runtime_resume()
142 clk_disable_unprepare(sai->mclk); in rockchip_sai_runtime_resume()
144 clk_disable_unprepare(sai->hclk); in rockchip_sai_runtime_resume()
149 static void rockchip_sai_fifo_xrun_detect(struct rk_sai_dev *sai, in rockchip_sai_fifo_xrun_detect() argument
154 regmap_update_bits(sai->regmap, SAI_INTCR, in rockchip_sai_fifo_xrun_detect()
156 regmap_update_bits(sai->regmap, SAI_INTCR, in rockchip_sai_fifo_xrun_detect()
161 regmap_update_bits(sai->regmap, SAI_INTCR, in rockchip_sai_fifo_xrun_detect()
163 regmap_update_bits(sai->regmap, SAI_INTCR, in rockchip_sai_fifo_xrun_detect()
169 static void rockchip_sai_dma_ctrl(struct rk_sai_dev *sai, in rockchip_sai_dma_ctrl() argument
173 rockchip_sai_fifo_xrun_detect(sai, stream, 0); in rockchip_sai_dma_ctrl()
176 regmap_update_bits(sai->regmap, SAI_DMACR, in rockchip_sai_dma_ctrl()
180 regmap_update_bits(sai->regmap, SAI_DMACR, in rockchip_sai_dma_ctrl()
186 rockchip_sai_fifo_xrun_detect(sai, stream, 1); in rockchip_sai_dma_ctrl()
189 static void rockchip_sai_reset(struct rk_sai_dev *sai) in rockchip_sai_reset() argument
200 reset_control_assert(sai->rst_h); in rockchip_sai_reset()
203 reset_control_deassert(sai->rst_h); in rockchip_sai_reset()
206 reset_control_assert(sai->rst_m); in rockchip_sai_reset()
209 reset_control_deassert(sai->rst_m); in rockchip_sai_reset()
214 regcache_mark_dirty(sai->regmap); in rockchip_sai_reset()
215 regcache_sync(sai->regmap); in rockchip_sai_reset()
218 static int rockchip_sai_clear(struct rk_sai_dev *sai, unsigned int clr) in rockchip_sai_clear() argument
223 regmap_update_bits(sai->regmap, SAI_CLR, clr, clr); in rockchip_sai_clear()
224 ret = regmap_read_poll_timeout_atomic(sai->regmap, SAI_CLR, val, in rockchip_sai_clear()
227 dev_warn(sai->dev, "Failed to clear %u\n", clr); in rockchip_sai_clear()
234 rockchip_sai_reset(sai); in rockchip_sai_clear()
239 static void rockchip_sai_xfer_start(struct rk_sai_dev *sai, int stream) in rockchip_sai_xfer_start() argument
242 regmap_update_bits(sai->regmap, SAI_XFER, in rockchip_sai_xfer_start()
246 regmap_update_bits(sai->regmap, SAI_XFER, in rockchip_sai_xfer_start()
252 static void rockchip_sai_xfer_stop(struct rk_sai_dev *sai, int stream) in rockchip_sai_xfer_stop() argument
269 regmap_update_bits(sai->regmap, SAI_XFER, msk, val); in rockchip_sai_xfer_stop()
270 ret = regmap_read_poll_timeout_atomic(sai->regmap, SAI_XFER, val, in rockchip_sai_xfer_stop()
273 dev_warn(sai->dev, "Failed to idle stream %d\n", stream); in rockchip_sai_xfer_stop()
275 rockchip_sai_clear(sai, clr); in rockchip_sai_xfer_stop()
278 static void rockchip_sai_start(struct rk_sai_dev *sai, int stream) in rockchip_sai_start() argument
280 rockchip_sai_dma_ctrl(sai, stream, 1); in rockchip_sai_start()
281 rockchip_sai_xfer_start(sai, stream); in rockchip_sai_start()
284 static void rockchip_sai_stop(struct rk_sai_dev *sai, int stream) in rockchip_sai_stop() argument
286 rockchip_sai_dma_ctrl(sai, stream, 0); in rockchip_sai_stop()
287 rockchip_sai_xfer_stop(sai, stream); in rockchip_sai_stop()
290 static void rockchip_sai_fmt_create(struct rk_sai_dev *sai, unsigned int fmt) in rockchip_sai_fmt_create() argument
303 sai->fpw = FPW_HALF_FRAME_WIDTH; in rockchip_sai_fmt_create()
312 sai->fpw = FPW_HALF_FRAME_WIDTH; in rockchip_sai_fmt_create()
321 sai->fpw = FPW_HALF_FRAME_WIDTH; in rockchip_sai_fmt_create()
330 sai->fpw = FPW_ONE_BCLK_WIDTH; in rockchip_sai_fmt_create()
339 sai->fpw = FPW_ONE_BCLK_WIDTH; in rockchip_sai_fmt_create()
342 dev_err(sai->dev, "Unsupported fmt %u\n", fmt); in rockchip_sai_fmt_create()
346 regmap_update_bits(sai->regmap, SAI_TXCR, xcr_mask, xcr_val); in rockchip_sai_fmt_create()
347 regmap_update_bits(sai->regmap, SAI_RXCR, xcr_mask, xcr_val); in rockchip_sai_fmt_create()
348 regmap_update_bits(sai->regmap, SAI_TX_SHIFT, xsft_mask, xsft_val); in rockchip_sai_fmt_create()
349 regmap_update_bits(sai->regmap, SAI_RX_SHIFT, xsft_mask, xsft_val); in rockchip_sai_fmt_create()
350 regmap_update_bits(sai->regmap, SAI_FSCR, fscr_mask, fscr_val); in rockchip_sai_fmt_create()
355 struct rk_sai_dev *sai = snd_soc_dai_get_drvdata(dai); in rockchip_sai_set_fmt() local
364 sai->is_master_mode = true; in rockchip_sai_set_fmt()
368 sai->is_master_mode = false; in rockchip_sai_set_fmt()
375 regmap_update_bits(sai->regmap, SAI_CKR, mask, val); in rockchip_sai_set_fmt()
396 regmap_update_bits(sai->regmap, SAI_CKR, mask, val); in rockchip_sai_set_fmt()
398 rockchip_sai_fmt_create(sai, fmt); in rockchip_sai_set_fmt()
409 struct rk_sai_dev *sai = snd_soc_dai_get_drvdata(dai); in rockchip_sai_lanes_auto() local
412 if (!sai->is_tdm) in rockchip_sai_lanes_auto()
422 struct rk_sai_dev *sai = snd_soc_dai_get_drvdata(dai); in rockchip_sai_hw_params() local
435 if (sai->tx_lanes) in rockchip_sai_hw_params()
436 lanes = sai->tx_lanes; in rockchip_sai_hw_params()
439 if (sai->rx_lanes) in rockchip_sai_hw_params()
440 lanes = sai->rx_lanes; in rockchip_sai_hw_params()
464 regmap_update_bits(sai->regmap, reg, SAI_XCR_VDW_MASK | SAI_XCR_CSR_MASK, val); in rockchip_sai_hw_params()
466 regmap_read(sai->regmap, reg, &val); in rockchip_sai_hw_params()
471 regmap_update_bits(sai->regmap, reg, SAI_XCR_SNB_MASK, in rockchip_sai_hw_params()
474 fscr = SAI_FSCR_FW(sai->fw_ratio * slot_width * ch_per_lane); in rockchip_sai_hw_params()
476 switch (sai->fpw) { in rockchip_sai_hw_params()
484 fscr |= SAI_FSCR_FPW(sai->fw_ratio * slot_width * ch_per_lane / 2); in rockchip_sai_hw_params()
487 dev_err(sai->dev, "Invalid Frame Pulse Width %d\n", sai->fpw); in rockchip_sai_hw_params()
491 regmap_update_bits(sai->regmap, SAI_FSCR, in rockchip_sai_hw_params()
494 if (sai->is_master_mode) { in rockchip_sai_hw_params()
495 bclk_rate = sai->fw_ratio * slot_width * ch_per_lane * params_rate(params); in rockchip_sai_hw_params()
496 if (sai->is_clk_auto) in rockchip_sai_hw_params()
497 clk_set_rate(sai->mclk, bclk_rate); in rockchip_sai_hw_params()
498 mclk_rate = clk_get_rate(sai->mclk); in rockchip_sai_hw_params()
500 dev_err(sai->dev, "Mismatch mclk: %u, expected %u at least\n", in rockchip_sai_hw_params()
507 regmap_update_bits(sai->regmap, SAI_CKR, SAI_CKR_MDIV_MASK, in rockchip_sai_hw_params()
517 struct rk_sai_dev *sai = snd_soc_dai_get_drvdata(dai); in rockchip_sai_prepare() local
519 if (sai->is_master_mode) { in rockchip_sai_prepare()
531 regmap_update_bits(sai->regmap, SAI_XFER, in rockchip_sai_prepare()
544 struct rk_sai_dev *sai = snd_soc_dai_get_drvdata(dai); in rockchip_sai_trigger() local
551 rockchip_sai_start(sai, substream->stream); in rockchip_sai_trigger()
556 rockchip_sai_stop(sai, substream->stream); in rockchip_sai_trigger()
569 struct rk_sai_dev *sai = snd_soc_dai_get_drvdata(dai); in rockchip_sai_set_sysclk() local
572 if (!freq || sai->is_clk_auto) in rockchip_sai_set_sysclk()
575 ret = clk_set_rate(sai->mclk, freq); in rockchip_sai_set_sysclk()
577 dev_err(sai->dev, "Failed to set mclk %d\n", ret); in rockchip_sai_set_sysclk()
584 struct rk_sai_dev *sai = snd_soc_dai_get_drvdata(dai); in rockchip_sai_dai_probe() local
587 sai->has_playback ? &sai->playback_dma_data : NULL, in rockchip_sai_dai_probe()
588 sai->has_capture ? &sai->capture_dma_data : NULL); in rockchip_sai_dai_probe()
596 struct rk_sai_dev *sai = snd_soc_dai_get_drvdata(dai); in rockchip_sai_startup() local
599 if (sai->substreams[stream]) in rockchip_sai_startup()
602 if (sai->wait_time[stream]) in rockchip_sai_startup()
603 substream->wait_time = msecs_to_jiffies(sai->wait_time[stream]); in rockchip_sai_startup()
605 sai->substreams[stream] = substream; in rockchip_sai_startup()
613 struct rk_sai_dev *sai = snd_soc_dai_get_drvdata(dai); in rockchip_sai_shutdown() local
615 sai->substreams[substream->stream] = NULL; in rockchip_sai_shutdown()
622 struct rk_sai_dev *sai = snd_soc_dai_get_drvdata(dai); in rockchip_sai_set_tdm_slot() local
625 regmap_update_bits(sai->regmap, SAI_TXCR, SAI_XCR_SBW_MASK, in rockchip_sai_set_tdm_slot()
627 regmap_update_bits(sai->regmap, SAI_RXCR, SAI_XCR_SBW_MASK, in rockchip_sai_set_tdm_slot()
631 sai->is_tdm = true; in rockchip_sai_set_tdm_slot()
771 { .compatible = "rockchip,sai-v1", },
775 static int rockchip_sai_init_dai(struct rk_sai_dev *sai, struct resource *res, in rockchip_sai_init_dai() argument
778 struct device_node *node = sai->dev->of_node; in rockchip_sai_init_dai()
785 sai->has_playback = true; in rockchip_sai_init_dai()
787 sai->has_capture = true; in rockchip_sai_init_dai()
790 dai = devm_kmemdup(sai->dev, &rockchip_sai_dai, in rockchip_sai_init_dai()
795 if (sai->has_playback) { in rockchip_sai_init_dai()
806 sai->playback_dma_data.addr = res->start + SAI_TXDR; in rockchip_sai_init_dai()
807 sai->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in rockchip_sai_init_dai()
808 sai->playback_dma_data.maxburst = MAXBURST_PER_FIFO; in rockchip_sai_init_dai()
811 if (sai->has_capture) { in rockchip_sai_init_dai()
822 sai->capture_dma_data.addr = res->start + SAI_RXDR; in rockchip_sai_init_dai()
823 sai->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; in rockchip_sai_init_dai()
824 sai->capture_dma_data.maxburst = MAXBURST_PER_FIFO; in rockchip_sai_init_dai()
827 regmap_update_bits(sai->regmap, SAI_DMACR, SAI_DMACR_TDL_MASK, in rockchip_sai_init_dai()
829 regmap_update_bits(sai->regmap, SAI_DMACR, SAI_DMACR_RDL_MASK, in rockchip_sai_init_dai()
938 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_fpw_get() local
940 ucontrol->value.enumerated.item[0] = sai->fpw; in rockchip_sai_fpw_get()
949 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_fpw_put() local
956 sai->fpw = num; in rockchip_sai_fpw_put()
965 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_fw_ratio_get() local
967 ucontrol->value.enumerated.item[0] = sai->fw_ratio - 1; in rockchip_sai_fw_ratio_get()
976 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_fw_ratio_put() local
982 sai->fw_ratio = ratio; in rockchip_sai_fw_ratio_put()
991 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_tx_lanes_get() local
993 ucontrol->value.enumerated.item[0] = sai->tx_lanes; in rockchip_sai_tx_lanes_get()
1002 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_tx_lanes_put() local
1009 sai->tx_lanes = num; in rockchip_sai_tx_lanes_put()
1018 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_rx_lanes_get() local
1020 ucontrol->value.enumerated.item[0] = sai->rx_lanes; in rockchip_sai_rx_lanes_get()
1029 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_rx_lanes_put() local
1036 sai->rx_lanes = num; in rockchip_sai_rx_lanes_put()
1045 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_mss_get() local
1047 ucontrol->value.enumerated.item[0] = sai->is_master_mode; in rockchip_sai_mss_get()
1056 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_mss_put() local
1064 if (mss == sai->is_master_mode) in rockchip_sai_mss_put()
1067 sai->is_master_mode = mss; in rockchip_sai_mss_put()
1069 pm_runtime_get_sync(sai->dev); in rockchip_sai_mss_put()
1070 if (sai->is_master_mode) { in rockchip_sai_mss_put()
1072 regmap_update_bits(sai->regmap, SAI_CKR, in rockchip_sai_mss_put()
1075 regmap_update_bits(sai->regmap, SAI_XFER, in rockchip_sai_mss_put()
1082 regmap_update_bits(sai->regmap, SAI_CKR, in rockchip_sai_mss_put()
1085 regmap_update_bits(sai->regmap, SAI_XFER, in rockchip_sai_mss_put()
1091 pm_runtime_put(sai->dev); in rockchip_sai_mss_put()
1100 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_clk_auto_get() local
1102 ucontrol->value.integer.value[0] = sai->is_clk_auto; in rockchip_sai_clk_auto_get()
1111 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_clk_auto_put() local
1114 if (clk_auto == sai->is_clk_auto) in rockchip_sai_clk_auto_put()
1117 sai->is_clk_auto = clk_auto; in rockchip_sai_clk_auto_put()
1138 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_rd_wait_time_get() local
1140 ucontrol->value.integer.value[0] = sai->wait_time[SNDRV_PCM_STREAM_CAPTURE]; in rockchip_sai_rd_wait_time_get()
1149 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_rd_wait_time_put() local
1154 sai->wait_time[SNDRV_PCM_STREAM_CAPTURE] = ucontrol->value.integer.value[0]; in rockchip_sai_rd_wait_time_put()
1163 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_wr_wait_time_get() local
1165 ucontrol->value.integer.value[0] = sai->wait_time[SNDRV_PCM_STREAM_PLAYBACK]; in rockchip_sai_wr_wait_time_get()
1174 struct rk_sai_dev *sai = snd_soc_component_get_drvdata(component); in rockchip_sai_wr_wait_time_put() local
1179 sai->wait_time[SNDRV_PCM_STREAM_PLAYBACK] = ucontrol->value.integer.value[0]; in rockchip_sai_wr_wait_time_put()
1269 struct rk_sai_dev *sai = (struct rk_sai_dev *)devid; in rockchip_sai_isr() local
1273 regmap_read(sai->regmap, SAI_INTSR, &val); in rockchip_sai_isr()
1275 dev_warn_ratelimited(sai->dev, "TX FIFO Underrun\n"); in rockchip_sai_isr()
1276 regmap_update_bits(sai->regmap, SAI_INTCR, in rockchip_sai_isr()
1278 substream = sai->substreams[SNDRV_PCM_STREAM_PLAYBACK]; in rockchip_sai_isr()
1284 dev_warn_ratelimited(sai->dev, "RX FIFO Overrun\n"); in rockchip_sai_isr()
1285 regmap_update_bits(sai->regmap, SAI_INTCR, in rockchip_sai_isr()
1287 substream = sai->substreams[SNDRV_PCM_STREAM_CAPTURE]; in rockchip_sai_isr()
1295 static int rockchip_sai_keep_clk_always_on(struct rk_sai_dev *sai) in rockchip_sai_keep_clk_always_on() argument
1299 sai->is_master_mode = true; in rockchip_sai_keep_clk_always_on()
1302 rockchip_sai_fmt_create(sai, SND_SOC_DAIFMT_I2S); in rockchip_sai_keep_clk_always_on()
1304 regmap_update_bits(sai->regmap, SAI_FSCR, in rockchip_sai_keep_clk_always_on()
1310 mclk_rate = clk_get_rate(sai->mclk); in rockchip_sai_keep_clk_always_on()
1314 regmap_update_bits(sai->regmap, SAI_CKR, SAI_CKR_MDIV_MASK, in rockchip_sai_keep_clk_always_on()
1317 pm_runtime_forbid(sai->dev); in rockchip_sai_keep_clk_always_on()
1319 dev_info(sai->dev, "CLK-ALWAYS-ON: mclk: %d, bclk: %d, fsync: %d\n", in rockchip_sai_keep_clk_always_on()
1325 static int rockchip_sai_parse_quirks(struct rk_sai_dev *sai) in rockchip_sai_parse_quirks() argument
1330 if (device_property_read_bool(sai->dev, of_quirks[i].quirk)) in rockchip_sai_parse_quirks()
1331 sai->quirks |= of_quirks[i].id; in rockchip_sai_parse_quirks()
1333 if (sai->quirks & QUIRK_ALWAYS_ON) in rockchip_sai_parse_quirks()
1334 ret = rockchip_sai_keep_clk_always_on(sai); in rockchip_sai_parse_quirks()
1342 struct rk_sai_dev *sai; in rockchip_sai_probe() local
1348 sai = devm_kzalloc(&pdev->dev, sizeof(*sai), GFP_KERNEL); in rockchip_sai_probe()
1349 if (!sai) in rockchip_sai_probe()
1352 sai->dev = &pdev->dev; in rockchip_sai_probe()
1353 sai->fw_ratio = 1; in rockchip_sai_probe()
1355 sai->is_master_mode = true; in rockchip_sai_probe()
1356 dev_set_drvdata(&pdev->dev, sai); in rockchip_sai_probe()
1358 sai->rst_h = devm_reset_control_get_optional_exclusive(&pdev->dev, "h"); in rockchip_sai_probe()
1359 if (IS_ERR(sai->rst_h)) in rockchip_sai_probe()
1360 return PTR_ERR(sai->rst_h); in rockchip_sai_probe()
1362 sai->rst_m = devm_reset_control_get_optional_exclusive(&pdev->dev, "m"); in rockchip_sai_probe()
1363 if (IS_ERR(sai->rst_m)) in rockchip_sai_probe()
1364 return PTR_ERR(sai->rst_m); in rockchip_sai_probe()
1370 sai->regmap = devm_regmap_init_mmio(&pdev->dev, regs, in rockchip_sai_probe()
1372 if (IS_ERR(sai->regmap)) in rockchip_sai_probe()
1373 return PTR_ERR(sai->regmap); in rockchip_sai_probe()
1378 IRQF_SHARED, node->name, sai); in rockchip_sai_probe()
1385 sai->mclk = devm_clk_get(&pdev->dev, "mclk"); in rockchip_sai_probe()
1386 if (IS_ERR(sai->mclk)) { in rockchip_sai_probe()
1388 return PTR_ERR(sai->mclk); in rockchip_sai_probe()
1391 sai->hclk = devm_clk_get(&pdev->dev, "hclk"); in rockchip_sai_probe()
1392 if (IS_ERR(sai->hclk)) { in rockchip_sai_probe()
1394 return PTR_ERR(sai->hclk); in rockchip_sai_probe()
1397 ret = rockchip_sai_parse_quirks(sai); in rockchip_sai_probe()
1408 ret = rockchip_sai_init_dai(sai, res, &dai); in rockchip_sai_probe()
1463 MODULE_DESCRIPTION("Rockchip SAI ASoC Interface");