C++ rsnd_priv_to_dev函数代码示例

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本文整理汇总了C++中rsnd_priv_to_dev函数的典型用法代码示例。如果您正苦于以下问题：C++ rsnd_priv_to_dev函数的具体用法？C++ rsnd_priv_to_dev怎么用？C++ rsnd_priv_to_dev使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了rsnd_priv_to_dev函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: rsnd_ssi_quit

static int rsnd_ssi_quit(struct rsnd_mod *mod,
			 struct rsnd_dai_stream *io,
			 struct rsnd_priv *priv)
{
	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
	struct device *dev = rsnd_priv_to_dev(priv);

	if (!rsnd_ssi_is_run_mods(mod, io))
		return 0;

	if (!ssi->usrcnt) {
		dev_err(dev, "%s[%d] usrcnt error\n",
			rsnd_mod_name(mod), rsnd_mod_id(mod));
		return -EIO;
	}

	if (!rsnd_ssi_is_parent(mod, io))
		ssi->cr_own	= 0;

	rsnd_ssi_master_clk_stop(mod, io);

	rsnd_mod_power_off(mod);

	ssi->usrcnt--;

	return 0;
}

开发者ID:020gzh，项目名称:linux，代码行数:27，代码来源:ssi.c

示例2: rsnd_ssi_common_probe

static int rsnd_ssi_common_probe(struct rsnd_mod *mod,
				 struct rsnd_dai_stream *io,
				 struct rsnd_priv *priv)
{
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
	int ret;

	/*
	 * SSIP/SSIU/IRQ are not needed on
	 * SSI Multi slaves
	 */
	if (rsnd_ssi_is_multi_slave(mod, io))
		return 0;

	/*
	 * It can't judge ssi parent at this point
	 * see rsnd_ssi_pcm_new()
	 */

	ret = rsnd_ssiu_attach(io, mod);
	if (ret < 0)
		return ret;

	ret = devm_request_irq(dev, ssi->irq,
			       rsnd_ssi_interrupt,
			       IRQF_SHARED,
			       dev_name(dev), mod);

	return ret;
}

开发者ID:020gzh，项目名称:linux，代码行数:31，代码来源:ssi.c

示例3: rsnd_dma_probe

int rsnd_dma_probe(struct platform_device *pdev,
		   const struct rsnd_of_data *of_data,
		   struct rsnd_priv *priv)
{
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_dma_ctrl *dmac;
	struct resource *res;

	/*
	 * for Gen1
	 */
	if (rsnd_is_gen1(priv))
		return 0;

	/*
	 * for Gen2
	 */
	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "audmapp");
	dmac = devm_kzalloc(dev, sizeof(*dmac), GFP_KERNEL);
	if (!dmac || !res) {
		dev_err(dev, "dma allocate failed\n");
		return 0; /* it will be PIO mode */
	}

	dmac->dmapp_num = 0;
	dmac->base = devm_ioremap_resource(dev, res);
	if (IS_ERR(dmac->base))
		return PTR_ERR(dmac->base);

	priv->dma = dmac;

	return 0;
}

开发者ID:Seagate，项目名称:SMR_FS-EXT4，代码行数:33，代码来源:dma.c

示例4: rsnd_gen2_dma_addr

static dma_addr_t
rsnd_gen2_dma_addr(struct rsnd_dai_stream *io,
		   struct rsnd_mod *mod,
		   int is_play, int is_from)
{
	struct rsnd_priv *priv = rsnd_io_to_priv(io);
	struct device *dev = rsnd_priv_to_dev(priv);
	phys_addr_t ssi_reg = rsnd_gen_get_phy_addr(priv, RSND_GEN2_SSI);
	phys_addr_t src_reg = rsnd_gen_get_phy_addr(priv, RSND_GEN2_SCU);
	int is_ssi = !!(rsnd_io_to_mod_ssi(io) == mod);
	int use_src = !!rsnd_io_to_mod_src(io);
	int use_dvc = !!rsnd_io_to_mod_dvc(io);
	int id = rsnd_mod_id(mod);
	struct dma_addr {
		dma_addr_t out_addr;
		dma_addr_t in_addr;
	} dma_addrs[3][2][3] = {
		/* SRC */
		{{{ 0,				0 },
		  /* Capture */
		  { RDMA_SRC_O_N(src, id),	RDMA_SRC_I_P(src, id) },
		  { RDMA_CMD_O_N(src, id),	RDMA_SRC_I_P(src, id) } },
		 /* Playback */
		 {{ 0,				0, },
		  { RDMA_SRC_O_P(src, id),	RDMA_SRC_I_N(src, id) },
		  { RDMA_CMD_O_P(src, id),	RDMA_SRC_I_N(src, id) } }
		},
		/* SSI */
		/* Capture */
		{{{ RDMA_SSI_O_N(ssi, id),	0 },
		  { RDMA_SSIU_O_P(ssi, id),	0 },
		  { RDMA_SSIU_O_P(ssi, id),	0 } },
		 /* Playback */
		 {{ 0,				RDMA_SSI_I_N(ssi, id) },
		  { 0,				RDMA_SSIU_I_P(ssi, id) },
		  { 0,				RDMA_SSIU_I_P(ssi, id) } }
		},
		/* SSIU */
		/* Capture */
		{{{ RDMA_SSIU_O_N(ssi, id),	0 },
		  { RDMA_SSIU_O_P(ssi, id),	0 },
		  { RDMA_SSIU_O_P(ssi, id),	0 } },
		 /* Playback */
		 {{ 0,				RDMA_SSIU_I_N(ssi, id) },
		  { 0,				RDMA_SSIU_I_P(ssi, id) },
		  { 0,				RDMA_SSIU_I_P(ssi, id) } } },
	};

	/* it shouldn't happen */
	if (use_dvc && !use_src)
		dev_err(dev, "DVC is selected without SRC\n");

	/* use SSIU or SSI ? */
	if (is_ssi && rsnd_ssi_use_busif(io, mod))
		is_ssi++;

	return (is_from) ?
		dma_addrs[is_ssi][is_play][use_src + use_dvc].out_addr :
		dma_addrs[is_ssi][is_play][use_src + use_dvc].in_addr;
}

开发者ID:Seagate，项目名称:SMR_FS-EXT4，代码行数:60，代码来源:dma.c

示例5: rsnd_dmaen_init

static int rsnd_dmaen_init(struct rsnd_dai_stream *io,
			   struct rsnd_dma *dma, int id,
			   struct rsnd_mod *mod_from, struct rsnd_mod *mod_to)
{
	struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);
	struct rsnd_priv *priv = rsnd_io_to_priv(io);
	struct device *dev = rsnd_priv_to_dev(priv);
	struct dma_slave_config cfg = {};
	int is_play = rsnd_io_is_play(io);
	int ret;

	if (dmaen->chan) {
		dev_err(dev, "it already has dma channel\n");
		return -EIO;
	}

	if (dev->of_node) {
		dmaen->chan = rsnd_dmaen_request_channel(io, mod_from, mod_to);
	} else {
		dma_cap_mask_t mask;

		dma_cap_zero(mask);
		dma_cap_set(DMA_SLAVE, mask);

		dmaen->chan = dma_request_channel(mask, shdma_chan_filter,
						  (void *)id);
	}
	if (IS_ERR_OR_NULL(dmaen->chan)) {
		dmaen->chan = NULL;
		dev_err(dev, "can't get dma channel\n");
		goto rsnd_dma_channel_err;
	}

	cfg.direction	= is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
	cfg.src_addr	= dma->src_addr;
	cfg.dst_addr	= dma->dst_addr;
	cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
	cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;

	dev_dbg(dev, "dma : %pad -> %pad\n",
		&cfg.src_addr, &cfg.dst_addr);

	ret = dmaengine_slave_config(dmaen->chan, &cfg);
	if (ret < 0)
		goto rsnd_dma_init_err;

	return 0;

rsnd_dma_init_err:
	rsnd_dma_quit(io, dma);
rsnd_dma_channel_err:

	/*
	 * DMA failed. try to PIO mode
	 * see
	 *	rsnd_ssi_fallback()
	 *	rsnd_rdai_continuance_probe()
	 */
	return -EAGAIN;
}

开发者ID:Seagate，项目名称:SMR_FS-EXT4，代码行数:60，代码来源:dma.c

示例6: rsnd_dma_start

void rsnd_dma_start(struct rsnd_dma *dma)
{
	struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
	struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
	struct snd_pcm_substream *substream = io->substream;
	struct device *dev = rsnd_priv_to_dev(priv);
	struct dma_async_tx_descriptor *desc;

	desc = dmaengine_prep_dma_cyclic(dma->chan,
					 (dma->addr) ? dma->addr :
					 substream->runtime->dma_addr,
					 snd_pcm_lib_buffer_bytes(substream),
					 snd_pcm_lib_period_bytes(substream),
					 dma->dir,
					 DMA_PREP_INTERRUPT | DMA_CTRL_ACK);

	if (!desc) {
		dev_err(dev, "dmaengine_prep_slave_sg() fail\n");
		return;
	}

	desc->callback		= rsnd_dma_complete;
	desc->callback_param	= dma;

	if (dmaengine_submit(desc) < 0) {
		dev_err(dev, "dmaengine_submit() fail\n");
		return;
	}

	dma_async_issue_pending(dma->chan);
}

开发者ID:3null，项目名称:linux，代码行数:32，代码来源:core.c

示例7: rsnd_ssiu_probe

int rsnd_ssiu_probe(struct rsnd_priv *priv)
{
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_ssiu *ssiu;
	static struct rsnd_mod_ops *ops;
	int i, nr, ret;

	/* same number to SSI */
	nr	= priv->ssi_nr;
	ssiu	= devm_kzalloc(dev, sizeof(*ssiu) * nr, GFP_KERNEL);
	if (!ssiu)
		return -ENOMEM;

	priv->ssiu	= ssiu;
	priv->ssiu_nr	= nr;

	if (rsnd_is_gen1(priv))
		ops = &rsnd_ssiu_ops_gen1;
	else
		ops = &rsnd_ssiu_ops_gen2;

	for_each_rsnd_ssiu(ssiu, priv, i) {
		ret = rsnd_mod_init(priv, rsnd_mod_get(ssiu),
				    ops, NULL, rsnd_mod_get_status,
				    RSND_MOD_SSIU, i);
		if (ret)
			return ret;
	}

开发者ID:020gzh，项目名称:linux，代码行数:28，代码来源:ssiu.c

示例8: rsnd_adg_get_clkin

static void rsnd_adg_get_clkin(struct rsnd_priv *priv,
			       struct rsnd_adg *adg)
{
	struct device *dev = rsnd_priv_to_dev(priv);
	struct clk *clk;
	static const char * const clk_name[] = {
		[CLKA]	= "clk_a",
		[CLKB]	= "clk_b",
		[CLKC]	= "clk_c",
		[CLKI]	= "clk_i",
	};
	int i, ret;

	for (i = 0; i < CLKMAX; i++) {
		clk = devm_clk_get(dev, clk_name[i]);
		adg->clk[i] = IS_ERR(clk) ? NULL : clk;
	}

	for_each_rsnd_clk(clk, adg, i) {
		ret = clk_prepare_enable(clk);
		if (ret < 0)
			dev_warn(dev, "can't use clk %d\n", i);

		dev_dbg(dev, "clk %d : %p : %ld\n", i, clk, clk_get_rate(clk));
	}

开发者ID:AK101111，项目名称:linux，代码行数:25，代码来源:adg.c

示例9: rsnd_dmapp_get_id

static u32 rsnd_dmapp_get_id(struct rsnd_dai_stream *io,
			     struct rsnd_mod *mod)
{
	struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io);
	struct rsnd_mod *src = rsnd_io_to_mod_src(io);
	struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
	const u8 *entry = NULL;
	int id = rsnd_mod_id(mod);
	int size = 0;

	if (mod == ssi) {
		entry = gen2_id_table_ssiu;
		size = ARRAY_SIZE(gen2_id_table_ssiu);
	} else if (mod == src) {
		entry = gen2_id_table_scu;
		size = ARRAY_SIZE(gen2_id_table_scu);
	} else if (mod == dvc) {
		entry = gen2_id_table_cmd;
		size = ARRAY_SIZE(gen2_id_table_cmd);
	}

	if ((!entry) || (size <= id)) {
		struct device *dev = rsnd_priv_to_dev(rsnd_io_to_priv(io));

		dev_err(dev, "unknown connection (%s[%d])\n",
			rsnd_mod_name(mod), rsnd_mod_id(mod));

		/* use non-prohibited SRS number as error */
		return 0x00; /* SSI00 */
	}

	return entry[id];
}

开发者ID:513855417，项目名称:linux，代码行数:33，代码来源:dma.c

示例10: rsnd_src_probe_gen2

static int rsnd_src_probe_gen2(struct rsnd_mod *mod,
			       struct rsnd_dai *rdai,
			       struct rsnd_dai_stream *io)
{
	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
	struct rcar_snd_info *info = rsnd_priv_to_info(priv);
	struct rsnd_src *src = rsnd_mod_to_src(mod);
	struct rsnd_mod *ssi = rsnd_ssi_mod_get(priv, rsnd_mod_id(mod));
	struct device *dev = rsnd_priv_to_dev(priv);
	int ret;
	int is_play;

	if (info->dai_info)
		is_play = rsnd_info_is_playback(priv, src);
	else
		is_play = rsnd_ssi_is_play(ssi);

	ret = rsnd_dma_init(priv,
			    rsnd_mod_to_dma(mod),
			    is_play,
			    src->info->dma_id);
	if (ret < 0)
		dev_err(dev, "SRC DMA failed\n");

	return ret;
}

开发者ID:908626950，项目名称:linux，代码行数:26，代码来源:src.c

示例11: rsnd_dma_do_work

static void rsnd_dma_do_work(struct work_struct *work)
{
	struct rsnd_dma *dma = container_of(work, struct rsnd_dma, work);
	struct rsnd_priv *priv = dma->priv;
	struct device *dev = rsnd_priv_to_dev(priv);
	struct dma_async_tx_descriptor *desc;
	dma_addr_t buf;
	size_t len;
	int i;

	for (i = 0; i < dma->submit_loop; i++) {

		if (dma->inquiry(dma, &buf, &len) < 0)
			return;

		desc = dmaengine_prep_slave_single(
			dma->chan, buf, len, dma->dir,
			DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
		if (!desc) {
			dev_err(dev, "dmaengine_prep_slave_sg() fail\n");
			return;
		}

		desc->callback		= rsnd_dma_complete;
		desc->callback_param	= dma;

		if (dmaengine_submit(desc) < 0) {
			dev_err(dev, "dmaengine_submit() fail\n");
			return;
		}

		dma_async_issue_pending(dma->chan);
	}
}

开发者ID:Master-Traders，项目名称:linux，代码行数:34，代码来源:core.c

示例12: rsnd_priv_to_gen

void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
			       struct rsnd_mod *mod,
			       enum rsnd_reg reg)
{
	struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
	struct device *dev = rsnd_priv_to_dev(priv);
	int index;
	u32 offset_id, offset_adr;

	if (reg >= RSND_REG_MAX) {
		dev_err(dev, "rsnd_reg reg error\n");
		return NULL;
	}

	index		= gen->reg_map[reg].index;
	offset_id	= gen->reg_map[reg].offset_id;
	offset_adr	= gen->reg_map[reg].offset_adr;

	if (index < 0) {
		dev_err(dev, "unsupported reg access %d\n", reg);
		return NULL;
	}

	if (offset_id && mod)
		offset_id *= rsnd_mod_id(mod);

	/*
	 * index/offset were set on gen1/gen2
	 */

	return gen->base[index] + offset_id + offset_adr;
}

开发者ID:AeroGirl，项目名称:VAR-SOM-AM33-SDK7-Kernel，代码行数:32，代码来源:gen.c

示例13: rsnd_gen_probe

int rsnd_gen_probe(struct platform_device *pdev,
		   struct rcar_snd_info *info,
		   struct rsnd_priv *priv)
{
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_gen *gen;
	int i;

	gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL);
	if (!gen) {
		dev_err(dev, "GEN allocate failed\n");
		return -ENOMEM;
	}

	priv->gen = gen;

	/*
	 * see
	 *	rsnd_reg_get()
	 *	rsnd_gen_probe()
	 */
	for (i = 0; i < RSND_REG_MAX; i++)
		gen->reg_map[i].index = -1;

	/*
	 *	init each module
	 */
	if (rsnd_is_gen1(priv))
		return rsnd_gen1_probe(pdev, info, priv);

	dev_err(dev, "unknown generation R-Car sound device\n");

	return -ENODEV;
}

开发者ID:AeroGirl，项目名称:VAR-SOM-AM33-SDK7-Kernel，代码行数:34，代码来源:gen.c

示例14: rsnd_gen_probe

/*
 *		Gen
 */
int rsnd_gen_probe(struct rsnd_priv *priv)
{
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_gen *gen;
	int ret;

	gen = devm_kzalloc(dev, sizeof(*gen), GFP_KERNEL);
	if (!gen) {
		dev_err(dev, "GEN allocate failed\n");
		return -ENOMEM;
	}

	priv->gen = gen;

	ret = -ENODEV;
	if (rsnd_is_gen1(priv))
		ret = rsnd_gen1_probe(priv);
	else if (rsnd_is_gen2(priv))
		ret = rsnd_gen2_probe(priv);

	if (ret < 0)
		dev_err(dev, "unknown generation R-Car sound device\n");

	return ret;
}

开发者ID:a2hojsjsjs，项目名称:linux，代码行数:28，代码来源:gen.c

示例15: __rsnd_adg_get_timesel_ratio

static void __rsnd_adg_get_timesel_ratio(struct rsnd_priv *priv,
				       struct rsnd_dai_stream *io,
				       unsigned int target_rate,
				       unsigned int *target_val,
				       unsigned int *target_en)
{
	struct rsnd_adg *adg = rsnd_priv_to_adg(priv);
	struct device *dev = rsnd_priv_to_dev(priv);
	int idx, sel, div, step;
	unsigned int val, en;
	unsigned int min, diff;
	unsigned int sel_rate[] = {
		clk_get_rate(adg->clk[CLKA]),	/* 0000: CLKA */
		clk_get_rate(adg->clk[CLKB]),	/* 0001: CLKB */
		clk_get_rate(adg->clk[CLKC]),	/* 0010: CLKC */
		adg->rbga_rate_for_441khz,	/* 0011: RBGA */
		adg->rbgb_rate_for_48khz,	/* 0100: RBGB */
	};

	min = ~0;
	val = 0;
	en = 0;
	for (sel = 0; sel < ARRAY_SIZE(sel_rate); sel++) {
		idx = 0;
		step = 2;

		if (!sel_rate[sel])
			continue;

		for (div = 2; div <= 98304; div += step) {
			diff = abs(target_rate - sel_rate[sel] / div);
			if (min > diff) {
				val = (sel << 8) | idx;
				min = diff;
				en = 1 << (sel + 1); /* fixme */
			}

			/*
			 * step of 0_0000 / 0_0001 / 0_1101
			 * are out of order
			 */
			if ((idx > 2) && (idx % 2))
				step *= 2;
			if (idx == 0x1c) {
				div += step;
				step *= 2;
			}
			idx++;
		}
	}

	if (min == ~0) {
		dev_err(dev, "no Input clock\n");
		return;
	}

	*target_val = val;
	if (target_en)
		*target_en = en;
}

开发者ID:AK101111，项目名称:linux，代码行数:60，代码来源:adg.c

示例16: rsnd_ssi_dma_probe

static int rsnd_ssi_dma_probe(struct rsnd_mod *mod,
			  struct rsnd_dai *rdai,
			  struct rsnd_dai_stream *io)
{
	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
	struct rcar_snd_info *info = rsnd_priv_to_info(priv);
	struct device *dev = rsnd_priv_to_dev(priv);
	int dma_id = ssi->info->dma_id;
	int is_play;
	int ret;

	if (info->dai_info)
		is_play = rsnd_info_is_playback(priv, ssi);
	else
		is_play = rsnd_ssi_is_play(&ssi->mod);

	ret = rsnd_dma_init(
		priv, rsnd_mod_to_dma(mod),
		is_play,
		dma_id);

	if (ret < 0)
		dev_err(dev, "SSI DMA failed\n");

	return ret;
}

开发者ID:Astralix，项目名称:mainline-dss11，代码行数:27，代码来源:ssi.c

示例17: rsnd_scu_probe

int rsnd_scu_probe(struct platform_device *pdev,
		   struct rcar_snd_info *info,
		   struct rsnd_priv *priv)
{
	struct device *dev = rsnd_priv_to_dev(priv);
	struct rsnd_scu *scu;
	int i, nr;

	/*
	 * init SCU
	 */
	nr	= info->scu_info_nr;
	scu	= devm_kzalloc(dev, sizeof(*scu) * nr, GFP_KERNEL);
	if (!scu) {
		dev_err(dev, "SCU allocate failed\n");
		return -ENOMEM;
	}

	priv->scu_nr	= nr;
	priv->scu	= scu;

	for_each_rsnd_scu(scu, priv, i) {
		rsnd_mod_init(priv, &scu->mod,
			      &rsnd_scu_ops, i);
		scu->info = &info->scu_info[i];

		dev_dbg(dev, "SCU%d probed\n", i);
	}

开发者ID:andrewgreen5610，项目名称:linux，代码行数:28，代码来源:scu.c

示例18: rsnd_dmaen_start

static int rsnd_dmaen_start(struct rsnd_mod *mod,
			    struct rsnd_dai_stream *io,
			    struct rsnd_priv *priv)
{
	struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
	struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);
	struct snd_pcm_substream *substream = io->substream;
	struct device *dev = rsnd_priv_to_dev(priv);
	struct dma_async_tx_descriptor *desc;
	int is_play = rsnd_io_is_play(io);

	desc = dmaengine_prep_dma_cyclic(dmaen->chan,
					 substream->runtime->dma_addr,
					 snd_pcm_lib_buffer_bytes(substream),
					 snd_pcm_lib_period_bytes(substream),
					 is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM,
					 DMA_PREP_INTERRUPT | DMA_CTRL_ACK);

	if (!desc) {
		dev_err(dev, "dmaengine_prep_slave_sg() fail\n");
		return -EIO;
	}

	desc->callback		= rsnd_dmaen_complete;
	desc->callback_param	= rsnd_mod_get(dma);

	if (dmaengine_submit(desc) < 0) {
		dev_err(dev, "dmaengine_submit() fail\n");
		return -EIO;
	}

	dma_async_issue_pending(dmaen->chan);

	return 0;
}

开发者ID:513855417，项目名称:linux，代码行数:35，代码来源:dma.c

示例19: rsnd_ssi_hw_start

static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi,
			      struct rsnd_dai *rdai,
			      struct rsnd_dai_stream *io)
{
	struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod);
	struct device *dev = rsnd_priv_to_dev(priv);
	u32 cr;

	if (0 == ssi->usrcnt) {
		clk_enable(ssi->clk);

		if (rsnd_rdai_is_clk_master(rdai)) {
			if (rsnd_ssi_clk_from_parent(ssi))
				rsnd_ssi_hw_start(ssi->parent, rdai, io);
			else
				rsnd_ssi_master_clk_start(ssi, io);
		}
	}

	cr  =	ssi->cr_own	|
		ssi->cr_clk	|
		ssi->cr_etc	|
		EN;

	rsnd_mod_write(&ssi->mod, SSICR, cr);

	ssi->usrcnt++;

	dev_dbg(dev, "ssi%d hw started\n", rsnd_mod_id(&ssi->mod));
}

开发者ID:LuweiLight，项目名称:linux-3.14.35-vbal，代码行数:30，代码来源:ssi.c

示例20: rsnd_adg_ssi_clk_try_start

int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate)
{
	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
	struct rsnd_adg *adg = rsnd_priv_to_adg(priv);
	struct device *dev = rsnd_priv_to_dev(priv);
	struct clk *clk;
	int i;
	u32 data;
	int sel_table[] = {
		[CLKA] = 0x1,
		[CLKB] = 0x2,
		[CLKC] = 0x3,
		[CLKI] = 0x0,
	};

	dev_dbg(dev, "request clock = %d\n", rate);

	/*
	 * find suitable clock from
	 * AUDIO_CLKA/AUDIO_CLKB/AUDIO_CLKC/AUDIO_CLKI.
	 */
	data = 0;
	for_each_rsnd_clk(clk, adg, i) {
		if (rate == clk_get_rate(clk)) {
			data = sel_table[i];
			goto found_clock;
		}
	}

	/*
	 * find divided clock from BRGA/BRGB
	 */
	if (rate  == adg->rbga_rate_for_441khz) {
		data = 0x10;
		goto found_clock;
	}

	if (rate == adg->rbgb_rate_for_48khz) {
		data = 0x20;
		goto found_clock;
	}

	return -EIO;

found_clock:

	/*
	 * This "mod" = "ssi" here.
	 * we can get "ssi id" from mod
	 */
	rsnd_adg_set_ssi_clk(mod, data);

	dev_dbg(dev, "ADG: %s[%d] selects 0x%x for %d\n",
		rsnd_mod_name(mod), rsnd_mod_id(mod),
		data, rate);

	return 0;
}

开发者ID:Chong-Li，项目名称:cse522，代码行数:58，代码来源:adg.c

注：本文中的rsnd_priv_to_dev函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ rsnd_priv_to_dev函数代码示例

示例1: rsnd_ssi_quit

示例2: rsnd_ssi_common_probe

示例3: rsnd_dma_probe

示例4: rsnd_gen2_dma_addr

示例5: rsnd_dmaen_init

示例6: rsnd_dma_start

示例7: rsnd_ssiu_probe

示例8: rsnd_adg_get_clkin

示例9: rsnd_dmapp_get_id

示例10: rsnd_src_probe_gen2

示例11: rsnd_dma_do_work

示例12: rsnd_priv_to_gen

示例13: rsnd_gen_probe

示例14: rsnd_gen_probe

示例15: __rsnd_adg_get_timesel_ratio

示例16: rsnd_ssi_dma_probe

示例17: rsnd_scu_probe

示例18: rsnd_dmaen_start

示例19: rsnd_ssi_hw_start

示例20: rsnd_adg_ssi_clk_try_start

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