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ASoC: qdsp6: q6afe-clocks: move audio-clocks to common file
Move common parts of q6afe-clocks to q6dsp-lpass-clocks so that we could reuse most of the driver for new Q6DSP audio frameworks. This is to make the code reuseable for new Q6DSP AudioReach framework. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20211026111655.1702-6-srinivas.kandagatla@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
parent
95b6cd57e9
commit
9ab71ac372
4 changed files with 232 additions and 173 deletions
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@ -1,5 +1,5 @@
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# SPDX-License-Identifier: GPL-2.0-only
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# SPDX-License-Identifier: GPL-2.0-only
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snd-q6dsp-common-objs := q6dsp-common.o q6dsp-lpass-ports.o
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snd-q6dsp-common-objs := q6dsp-common.o q6dsp-lpass-ports.o q6dsp-lpass-clocks.o
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obj-$(CONFIG_SND_SOC_QDSP6_COMMON) += snd-q6dsp-common.o
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obj-$(CONFIG_SND_SOC_QDSP6_COMMON) += snd-q6dsp-common.o
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obj-$(CONFIG_SND_SOC_QDSP6_CORE) += q6core.o
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obj-$(CONFIG_SND_SOC_QDSP6_CORE) += q6core.o
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@ -7,115 +7,18 @@
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#include <linux/module.h>
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#include <linux/module.h>
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#include <linux/device.h>
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#include <linux/device.h>
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#include <linux/platform_device.h>
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#include <linux/platform_device.h>
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#include <linux/of.h>
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#include "q6dsp-lpass-clocks.h"
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#include <linux/slab.h>
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#include "q6afe.h"
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#include "q6afe.h"
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#define Q6AFE_CLK(id) { \
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#define Q6AFE_CLK(id) { \
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.clk_id = id, \
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.clk_id = id, \
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.afe_clk_id = Q6AFE_##id, \
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.q6dsp_clk_id = Q6AFE_##id, \
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.name = #id, \
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.name = #id, \
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.rate = 19200000, \
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.rate = 19200000, \
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}
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}
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#define Q6AFE_VOTE_CLK(id, blkid, n) { \
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.clk_id = id, \
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.afe_clk_id = blkid, \
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.name = n, \
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}
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struct q6afe_clk_init {
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static const struct q6dsp_clk_init q6afe_clks[] = {
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int clk_id;
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int afe_clk_id;
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char *name;
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int rate;
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};
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struct q6afe_clk {
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struct device *dev;
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int afe_clk_id;
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int attributes;
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int rate;
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uint32_t handle;
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struct clk_hw hw;
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};
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#define to_q6afe_clk(_hw) container_of(_hw, struct q6afe_clk, hw)
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struct q6afe_cc {
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struct device *dev;
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struct q6afe_clk *clks[Q6AFE_MAX_CLK_ID];
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};
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static int clk_q6afe_prepare(struct clk_hw *hw)
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{
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struct q6afe_clk *clk = to_q6afe_clk(hw);
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return q6afe_set_lpass_clock(clk->dev, clk->afe_clk_id, clk->attributes,
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Q6AFE_LPASS_CLK_ROOT_DEFAULT, clk->rate);
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}
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static void clk_q6afe_unprepare(struct clk_hw *hw)
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{
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struct q6afe_clk *clk = to_q6afe_clk(hw);
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q6afe_set_lpass_clock(clk->dev, clk->afe_clk_id, clk->attributes,
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Q6AFE_LPASS_CLK_ROOT_DEFAULT, 0);
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}
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static int clk_q6afe_set_rate(struct clk_hw *hw, unsigned long rate,
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unsigned long parent_rate)
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{
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struct q6afe_clk *clk = to_q6afe_clk(hw);
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clk->rate = rate;
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return 0;
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}
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static unsigned long clk_q6afe_recalc_rate(struct clk_hw *hw,
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unsigned long parent_rate)
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{
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struct q6afe_clk *clk = to_q6afe_clk(hw);
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return clk->rate;
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}
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static long clk_q6afe_round_rate(struct clk_hw *hw, unsigned long rate,
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unsigned long *parent_rate)
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{
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return rate;
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}
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static const struct clk_ops clk_q6afe_ops = {
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.prepare = clk_q6afe_prepare,
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.unprepare = clk_q6afe_unprepare,
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.set_rate = clk_q6afe_set_rate,
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.round_rate = clk_q6afe_round_rate,
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.recalc_rate = clk_q6afe_recalc_rate,
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};
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static int clk_vote_q6afe_block(struct clk_hw *hw)
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{
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struct q6afe_clk *clk = to_q6afe_clk(hw);
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return q6afe_vote_lpass_core_hw(clk->dev, clk->afe_clk_id,
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clk_hw_get_name(&clk->hw), &clk->handle);
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}
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static void clk_unvote_q6afe_block(struct clk_hw *hw)
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{
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struct q6afe_clk *clk = to_q6afe_clk(hw);
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q6afe_unvote_lpass_core_hw(clk->dev, clk->afe_clk_id, clk->handle);
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}
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static const struct clk_ops clk_vote_q6afe_ops = {
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.prepare = clk_vote_q6afe_block,
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.unprepare = clk_unvote_q6afe_block,
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};
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static const struct q6afe_clk_init q6afe_clks[] = {
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Q6AFE_CLK(LPASS_CLK_ID_PRI_MI2S_IBIT),
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Q6AFE_CLK(LPASS_CLK_ID_PRI_MI2S_IBIT),
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Q6AFE_CLK(LPASS_CLK_ID_PRI_MI2S_EBIT),
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Q6AFE_CLK(LPASS_CLK_ID_PRI_MI2S_EBIT),
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Q6AFE_CLK(LPASS_CLK_ID_SEC_MI2S_IBIT),
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Q6AFE_CLK(LPASS_CLK_ID_SEC_MI2S_IBIT),
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@ -176,88 +79,28 @@ static const struct q6afe_clk_init q6afe_clks[] = {
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Q6AFE_CLK(LPASS_CLK_ID_RX_CORE_MCLK),
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Q6AFE_CLK(LPASS_CLK_ID_RX_CORE_MCLK),
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Q6AFE_CLK(LPASS_CLK_ID_RX_CORE_NPL_MCLK),
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Q6AFE_CLK(LPASS_CLK_ID_RX_CORE_NPL_MCLK),
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Q6AFE_CLK(LPASS_CLK_ID_VA_CORE_2X_MCLK),
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Q6AFE_CLK(LPASS_CLK_ID_VA_CORE_2X_MCLK),
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Q6AFE_VOTE_CLK(LPASS_HW_AVTIMER_VOTE,
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Q6DSP_VOTE_CLK(LPASS_HW_AVTIMER_VOTE,
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Q6AFE_LPASS_CORE_AVTIMER_BLOCK,
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Q6AFE_LPASS_CORE_AVTIMER_BLOCK,
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"LPASS_AVTIMER_MACRO"),
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"LPASS_AVTIMER_MACRO"),
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Q6AFE_VOTE_CLK(LPASS_HW_MACRO_VOTE,
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Q6DSP_VOTE_CLK(LPASS_HW_MACRO_VOTE,
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Q6AFE_LPASS_CORE_HW_MACRO_BLOCK,
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Q6AFE_LPASS_CORE_HW_MACRO_BLOCK,
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"LPASS_HW_MACRO"),
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"LPASS_HW_MACRO"),
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Q6AFE_VOTE_CLK(LPASS_HW_DCODEC_VOTE,
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Q6DSP_VOTE_CLK(LPASS_HW_DCODEC_VOTE,
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Q6AFE_LPASS_CORE_HW_DCODEC_BLOCK,
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Q6AFE_LPASS_CORE_HW_DCODEC_BLOCK,
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"LPASS_HW_DCODEC"),
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"LPASS_HW_DCODEC"),
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};
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};
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static struct clk_hw *q6afe_of_clk_hw_get(struct of_phandle_args *clkspec,
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static const struct q6dsp_clk_desc q6dsp_clk_q6afe __maybe_unused = {
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void *data)
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.clks = q6afe_clks,
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{
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.num_clks = ARRAY_SIZE(q6afe_clks),
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struct q6afe_cc *cc = data;
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.lpass_set_clk = q6afe_set_lpass_clock,
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unsigned int idx = clkspec->args[0];
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.lpass_vote_clk = q6afe_vote_lpass_core_hw,
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unsigned int attr = clkspec->args[1];
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.lpass_unvote_clk = q6afe_unvote_lpass_core_hw,
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};
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if (idx >= Q6AFE_MAX_CLK_ID || attr > LPASS_CLK_ATTRIBUTE_COUPLE_DIVISOR) {
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dev_err(cc->dev, "Invalid clk specifier (%d, %d)\n", idx, attr);
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return ERR_PTR(-EINVAL);
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}
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if (cc->clks[idx]) {
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cc->clks[idx]->attributes = attr;
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return &cc->clks[idx]->hw;
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}
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return ERR_PTR(-ENOENT);
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}
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static int q6afe_clock_dev_probe(struct platform_device *pdev)
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{
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struct q6afe_cc *cc;
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struct device *dev = &pdev->dev;
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int i, ret;
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cc = devm_kzalloc(dev, sizeof(*cc), GFP_KERNEL);
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if (!cc)
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return -ENOMEM;
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cc->dev = dev;
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for (i = 0; i < ARRAY_SIZE(q6afe_clks); i++) {
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unsigned int id = q6afe_clks[i].clk_id;
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struct clk_init_data init = {
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.name = q6afe_clks[i].name,
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};
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struct q6afe_clk *clk;
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clk = devm_kzalloc(dev, sizeof(*clk), GFP_KERNEL);
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if (!clk)
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return -ENOMEM;
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clk->dev = dev;
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clk->afe_clk_id = q6afe_clks[i].afe_clk_id;
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clk->rate = q6afe_clks[i].rate;
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clk->hw.init = &init;
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if (clk->rate)
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init.ops = &clk_q6afe_ops;
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else
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init.ops = &clk_vote_q6afe_ops;
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cc->clks[id] = clk;
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ret = devm_clk_hw_register(dev, &clk->hw);
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if (ret)
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return ret;
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}
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ret = devm_of_clk_add_hw_provider(dev, q6afe_of_clk_hw_get, cc);
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if (ret)
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return ret;
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dev_set_drvdata(dev, cc);
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return 0;
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}
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#ifdef CONFIG_OF
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#ifdef CONFIG_OF
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static const struct of_device_id q6afe_clock_device_id[] = {
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static const struct of_device_id q6afe_clock_device_id[] = {
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{ .compatible = "qcom,q6afe-clocks" },
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{ .compatible = "qcom,q6afe-clocks", .data = &q6dsp_clk_q6afe },
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{},
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{},
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};
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};
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MODULE_DEVICE_TABLE(of, q6afe_clock_device_id);
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MODULE_DEVICE_TABLE(of, q6afe_clock_device_id);
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.name = "q6afe-clock",
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.name = "q6afe-clock",
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.of_match_table = of_match_ptr(q6afe_clock_device_id),
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.of_match_table = of_match_ptr(q6afe_clock_device_id),
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},
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},
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.probe = q6afe_clock_dev_probe,
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.probe = q6dsp_clock_dev_probe,
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};
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};
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module_platform_driver(q6afe_clock_platform_driver);
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module_platform_driver(q6afe_clock_platform_driver);
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186
sound/soc/qcom/qdsp6/q6dsp-lpass-clocks.c
Normal file
186
sound/soc/qcom/qdsp6/q6dsp-lpass-clocks.c
Normal file
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// SPDX-License-Identifier: GPL-2.0
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// Copyright (c) 2020, Linaro Limited
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#include <linux/err.h>
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#include <linux/init.h>
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#include <linux/clk-provider.h>
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#include <linux/module.h>
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#include <linux/device.h>
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#include <linux/platform_device.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/slab.h>
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#include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h>
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#include "q6dsp-lpass-clocks.h"
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#define Q6DSP_MAX_CLK_ID 104
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#define Q6DSP_LPASS_CLK_ROOT_DEFAULT 0
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struct q6dsp_clk {
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struct device *dev;
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int q6dsp_clk_id;
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int attributes;
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int rate;
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uint32_t handle;
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struct clk_hw hw;
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};
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#define to_q6dsp_clk(_hw) container_of(_hw, struct q6dsp_clk, hw)
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struct q6dsp_cc {
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struct device *dev;
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struct q6dsp_clk *clks[Q6DSP_MAX_CLK_ID];
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const struct q6dsp_clk_desc *desc;
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};
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static int clk_q6dsp_prepare(struct clk_hw *hw)
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{
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struct q6dsp_clk *clk = to_q6dsp_clk(hw);
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struct q6dsp_cc *cc = dev_get_drvdata(clk->dev);
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return cc->desc->lpass_set_clk(clk->dev, clk->q6dsp_clk_id, clk->attributes,
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Q6DSP_LPASS_CLK_ROOT_DEFAULT, clk->rate);
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}
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static void clk_q6dsp_unprepare(struct clk_hw *hw)
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{
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struct q6dsp_clk *clk = to_q6dsp_clk(hw);
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struct q6dsp_cc *cc = dev_get_drvdata(clk->dev);
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cc->desc->lpass_set_clk(clk->dev, clk->q6dsp_clk_id, clk->attributes,
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Q6DSP_LPASS_CLK_ROOT_DEFAULT, 0);
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}
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static int clk_q6dsp_set_rate(struct clk_hw *hw, unsigned long rate,
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unsigned long parent_rate)
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{
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struct q6dsp_clk *clk = to_q6dsp_clk(hw);
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clk->rate = rate;
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return 0;
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}
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static unsigned long clk_q6dsp_recalc_rate(struct clk_hw *hw,
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unsigned long parent_rate)
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{
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struct q6dsp_clk *clk = to_q6dsp_clk(hw);
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return clk->rate;
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}
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static long clk_q6dsp_round_rate(struct clk_hw *hw, unsigned long rate,
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unsigned long *parent_rate)
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{
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return rate;
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}
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static const struct clk_ops clk_q6dsp_ops = {
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.prepare = clk_q6dsp_prepare,
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.unprepare = clk_q6dsp_unprepare,
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.set_rate = clk_q6dsp_set_rate,
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.round_rate = clk_q6dsp_round_rate,
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.recalc_rate = clk_q6dsp_recalc_rate,
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};
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static int clk_vote_q6dsp_block(struct clk_hw *hw)
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{
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struct q6dsp_clk *clk = to_q6dsp_clk(hw);
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struct q6dsp_cc *cc = dev_get_drvdata(clk->dev);
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return cc->desc->lpass_vote_clk(clk->dev, clk->q6dsp_clk_id,
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clk_hw_get_name(&clk->hw), &clk->handle);
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}
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static void clk_unvote_q6dsp_block(struct clk_hw *hw)
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{
|
||||||
|
struct q6dsp_clk *clk = to_q6dsp_clk(hw);
|
||||||
|
struct q6dsp_cc *cc = dev_get_drvdata(clk->dev);
|
||||||
|
|
||||||
|
cc->desc->lpass_unvote_clk(clk->dev, clk->q6dsp_clk_id, clk->handle);
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct clk_ops clk_vote_q6dsp_ops = {
|
||||||
|
.prepare = clk_vote_q6dsp_block,
|
||||||
|
.unprepare = clk_unvote_q6dsp_block,
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
static struct clk_hw *q6dsp_of_clk_hw_get(struct of_phandle_args *clkspec,
|
||||||
|
void *data)
|
||||||
|
{
|
||||||
|
struct q6dsp_cc *cc = data;
|
||||||
|
unsigned int idx = clkspec->args[0];
|
||||||
|
unsigned int attr = clkspec->args[1];
|
||||||
|
|
||||||
|
if (idx >= Q6DSP_MAX_CLK_ID || attr > LPASS_CLK_ATTRIBUTE_COUPLE_DIVISOR) {
|
||||||
|
dev_err(cc->dev, "Invalid clk specifier (%d, %d)\n", idx, attr);
|
||||||
|
return ERR_PTR(-EINVAL);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (cc->clks[idx]) {
|
||||||
|
cc->clks[idx]->attributes = attr;
|
||||||
|
return &cc->clks[idx]->hw;
|
||||||
|
}
|
||||||
|
|
||||||
|
return ERR_PTR(-ENOENT);
|
||||||
|
}
|
||||||
|
|
||||||
|
int q6dsp_clock_dev_probe(struct platform_device *pdev)
|
||||||
|
{
|
||||||
|
struct q6dsp_cc *cc;
|
||||||
|
struct device *dev = &pdev->dev;
|
||||||
|
const struct q6dsp_clk_init *q6dsp_clks;
|
||||||
|
const struct q6dsp_clk_desc *desc;
|
||||||
|
int i, ret;
|
||||||
|
|
||||||
|
cc = devm_kzalloc(dev, sizeof(*cc), GFP_KERNEL);
|
||||||
|
if (!cc)
|
||||||
|
return -ENOMEM;
|
||||||
|
|
||||||
|
desc = of_device_get_match_data(&pdev->dev);
|
||||||
|
if (!desc)
|
||||||
|
return -EINVAL;
|
||||||
|
|
||||||
|
cc->desc = desc;
|
||||||
|
cc->dev = dev;
|
||||||
|
q6dsp_clks = desc->clks;
|
||||||
|
|
||||||
|
for (i = 0; i < desc->num_clks; i++) {
|
||||||
|
unsigned int id = q6dsp_clks[i].clk_id;
|
||||||
|
struct clk_init_data init = {
|
||||||
|
.name = q6dsp_clks[i].name,
|
||||||
|
};
|
||||||
|
struct q6dsp_clk *clk;
|
||||||
|
|
||||||
|
clk = devm_kzalloc(dev, sizeof(*clk), GFP_KERNEL);
|
||||||
|
if (!clk)
|
||||||
|
return -ENOMEM;
|
||||||
|
|
||||||
|
clk->dev = dev;
|
||||||
|
clk->q6dsp_clk_id = q6dsp_clks[i].q6dsp_clk_id;
|
||||||
|
clk->rate = q6dsp_clks[i].rate;
|
||||||
|
clk->hw.init = &init;
|
||||||
|
|
||||||
|
if (clk->rate)
|
||||||
|
init.ops = &clk_q6dsp_ops;
|
||||||
|
else
|
||||||
|
init.ops = &clk_vote_q6dsp_ops;
|
||||||
|
|
||||||
|
cc->clks[id] = clk;
|
||||||
|
|
||||||
|
ret = devm_clk_hw_register(dev, &clk->hw);
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
ret = devm_of_clk_add_hw_provider(dev, q6dsp_of_clk_hw_get, cc);
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
dev_set_drvdata(dev, cc);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
EXPORT_SYMBOL_GPL(q6dsp_clock_dev_probe);
|
30
sound/soc/qcom/qdsp6/q6dsp-lpass-clocks.h
Normal file
30
sound/soc/qcom/qdsp6/q6dsp-lpass-clocks.h
Normal file
|
@ -0,0 +1,30 @@
|
||||||
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||||||
|
|
||||||
|
#ifndef __Q6DSP_AUDIO_CLOCKS_H__
|
||||||
|
#define __Q6DSP_AUDIO_CLOCKS_H__
|
||||||
|
|
||||||
|
struct q6dsp_clk_init {
|
||||||
|
int clk_id;
|
||||||
|
int q6dsp_clk_id;
|
||||||
|
char *name;
|
||||||
|
int rate;
|
||||||
|
};
|
||||||
|
|
||||||
|
#define Q6DSP_VOTE_CLK(id, blkid, n) { \
|
||||||
|
.clk_id = id, \
|
||||||
|
.q6dsp_clk_id = blkid, \
|
||||||
|
.name = n, \
|
||||||
|
}
|
||||||
|
|
||||||
|
struct q6dsp_clk_desc {
|
||||||
|
const struct q6dsp_clk_init *clks;
|
||||||
|
size_t num_clks;
|
||||||
|
int (*lpass_set_clk)(struct device *dev, int clk_id, int attr,
|
||||||
|
int root_clk, unsigned int freq);
|
||||||
|
int (*lpass_vote_clk)(struct device *dev, uint32_t hid, const char *n, uint32_t *h);
|
||||||
|
int (*lpass_unvote_clk)(struct device *dev, uint32_t hid, uint32_t h);
|
||||||
|
};
|
||||||
|
|
||||||
|
int q6dsp_clock_dev_probe(struct platform_device *pdev);
|
||||||
|
|
||||||
|
#endif /* __Q6DSP_AUDIO_CLOCKS_H__ */
|
Loading…
Reference in a new issue