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asoc: codecs: update audio clock driver for LPASS NPA resource

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Add new clock node for LPASS NPA resource for clients
to enable or disable the resource.

Change-Id: I8aa587771618d301ace72d6df1045078cdf39c9c
Signed-off-by: Mangesh Kunchamwar <mangeshk@codeaurora.org>
This commit is contained in:
Mangesh Kunchamwar
2018-11-13 16:04:53 +05:30
parent 70c29ec0dc
commit 912a96accb
1 changed files with 81 additions and 0 deletions
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81
asoc/codecs/audio-ext-clk-up.c
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@@ -21,6 +21,7 @@
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <dt-bindings/clock/qcom,audio-ext-clk.h> #include <dt-bindings/clock/qcom,audio-ext-clk.h>
#include <dsp/q6afe-v2.h> #include <dsp/q6afe-v2.h>
#include <dsp/q6core.h>
#include "audio-ext-clk-up.h" #include "audio-ext-clk-up.h"
enum { enum {
@@ -33,6 +34,7 @@ enum {
AUDIO_EXT_CLK_LPASS5, AUDIO_EXT_CLK_LPASS5,
AUDIO_EXT_CLK_LPASS6, AUDIO_EXT_CLK_LPASS6,
AUDIO_EXT_CLK_LPASS7, AUDIO_EXT_CLK_LPASS7,
AUDIO_EXT_CLK_LPASS_NPA_RSC_ISLAND,
AUDIO_EXT_CLK_LPASS_MAX, AUDIO_EXT_CLK_LPASS_MAX,
AUDIO_EXT_CLK_MAX = AUDIO_EXT_CLK_LPASS_MAX, AUDIO_EXT_CLK_MAX = AUDIO_EXT_CLK_LPASS_MAX,
}; };
@@ -55,6 +57,7 @@ struct audio_ext_clk_priv {
struct afe_clk_set clk_cfg; struct afe_clk_set clk_cfg;
struct audio_ext_clk audio_clk; struct audio_ext_clk audio_clk;
const char *clk_name; const char *clk_name;
uint32_t npa_rsc_client_handle;
}; };
static inline struct audio_ext_clk_priv *to_audio_clk(struct clk_hw *hw) static inline struct audio_ext_clk_priv *to_audio_clk(struct clk_hw *hw)
@@ -141,12 +144,58 @@ static u8 audio_ext_clk_get_parent(struct clk_hw *hw)
return 0; return 0;
} }
static int lpass_npa_rsc_prepare(struct clk_hw *hw)
{
struct audio_ext_clk_priv *clk_priv = to_audio_clk(hw);
int ret;
if ((clk_priv->clk_src >= AUDIO_EXT_CLK_LPASS_NPA_RSC_ISLAND) &&
(clk_priv->clk_src < AUDIO_EXT_CLK_LPASS_MAX)) {
if (q6core_get_avcs_api_version_per_service(
APRV2_IDS_SERVICE_ID_ADSP_CORE_V) >= AVCS_API_VERSION_V4) {
ret = q6core_request_island_transition(
clk_priv->npa_rsc_client_handle, false);
if (ret < 0) {
pr_err("%s q6core_request_island_transition failed %d\n",
__func__, ret);
return ret;
}
}
}
return 0;
}
static void lpass_npa_rsc_unprepare(struct clk_hw *hw)
{
struct audio_ext_clk_priv *clk_priv = to_audio_clk(hw);
int ret = 0;
if ((clk_priv->clk_src >= AUDIO_EXT_CLK_LPASS_NPA_RSC_ISLAND) &&
(clk_priv->clk_src < AUDIO_EXT_CLK_LPASS_MAX)) {
if (q6core_get_avcs_api_version_per_service(
APRV2_IDS_SERVICE_ID_ADSP_CORE_V) >= AVCS_API_VERSION_V4) {
ret = q6core_request_island_transition(
clk_priv->npa_rsc_client_handle, true);
if (ret < 0) {
pr_err("%s q6core_request_island_transition failed %d\n",
__func__, ret);
}
}
}
}
static const struct clk_ops audio_ext_clk_ops = { static const struct clk_ops audio_ext_clk_ops = {
.prepare = audio_ext_clk_prepare, .prepare = audio_ext_clk_prepare,
.unprepare = audio_ext_clk_unprepare, .unprepare = audio_ext_clk_unprepare,
.get_parent = audio_ext_clk_get_parent, .get_parent = audio_ext_clk_get_parent,
}; };
static const struct clk_ops lpass_npa_rsc_ops = {
.prepare = lpass_npa_rsc_prepare,
.unprepare = lpass_npa_rsc_unprepare,
};
static const char * const audio_ext_pmi_div_clk[] = { static const char * const audio_ext_pmi_div_clk[] = {
"qpnp_clkdiv_1", "qpnp_clkdiv_1",
"pms405_div_clk1", "pms405_div_clk1",
@@ -274,6 +323,15 @@ static struct audio_ext_clk audio_clk_array[] = {
}, },
}, },
}, },
{
.pnctrl_info = {NULL},
.fact = {
.hw.init = &(struct clk_init_data){
.name = "lpass_npa_rsc_island_clk",
.ops = &lpass_npa_rsc_ops,
},
},
},
}; };
static int audio_get_pinctrl(struct platform_device *pdev) static int audio_get_pinctrl(struct platform_device *pdev)
@@ -476,11 +534,34 @@ static int audio_ref_clk_probe(struct platform_device *pdev)
return ret; return ret;
} }
if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_NPA_RSC_ISLAND) {
if (q6core_get_avcs_api_version_per_service(
APRV2_IDS_SERVICE_ID_ADSP_CORE_V) >= AVCS_API_VERSION_V4) {
ret = q6core_create_lpass_npa_client(
AVCS_SLEEP_NODE_ISLAND_TRANSITION_RESOURCE_ID,
"lpass_npa_rsc_mgr",
&clk_priv->npa_rsc_client_handle);
if (ret) {
dev_err(&pdev->dev, "%s: q6core_create_lpass_npa_client is failed %d\n",
__func__, ret);
audio_put_pinctrl(pdev);
return ret;
}
}
}
return 0; return 0;
} }
static int audio_ref_clk_remove(struct platform_device *pdev) static int audio_ref_clk_remove(struct platform_device *pdev)
{ {
struct audio_ext_clk_priv *clk_priv = platform_get_drvdata(pdev);
if (clk_priv->clk_src == AUDIO_EXT_CLK_LPASS_NPA_RSC_ISLAND) {
if (q6core_get_avcs_api_version_per_service(
APRV2_IDS_SERVICE_ID_ADSP_CORE_V) >= AVCS_API_VERSION_V4)
q6core_destroy_lpass_npa_client(
clk_priv->npa_rsc_client_handle);
}
audio_put_pinctrl(pdev); audio_put_pinctrl(pdev);
return 0; return 0;