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[src/trunk]: src/sys/arch/arm/sunxi Add HP jack detect support. When HP is pr...
details: https://anonhg.NetBSD.org/src/rev/eec6faa5c317
branches: trunk
changeset: 832454:eec6faa5c317
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Fri May 11 22:51:12 2018 +0000
description:
Add HP jack detect support. When HP is present, mute lineout.
diffstat:
sys/arch/arm/sunxi/sun50i_a64_acodec.c | 35 +++++++-
sys/arch/arm/sunxi/sun8i_codec.c | 151 ++++++++++++++++++++++++++++++++-
2 files changed, 181 insertions(+), 5 deletions(-)
diffs (300 lines):
diff -r ffa6dd8ac34a -r eec6faa5c317 sys/arch/arm/sunxi/sun50i_a64_acodec.c
--- a/sys/arch/arm/sunxi/sun50i_a64_acodec.c Fri May 11 22:49:19 2018 +0000
+++ b/sys/arch/arm/sunxi/sun50i_a64_acodec.c Fri May 11 22:51:12 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sun50i_a64_acodec.c,v 1.2 2018/05/10 00:30:56 jmcneill Exp $ */
+/* $NetBSD: sun50i_a64_acodec.c,v 1.3 2018/05/11 22:51:12 jmcneill Exp $ */
/*-
* Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sun50i_a64_acodec.c,v 1.2 2018/05/10 00:30:56 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sun50i_a64_acodec.c,v 1.3 2018/05/11 22:51:12 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -89,6 +89,10 @@
#define A64_ADCREN __BIT(7)
#define A64_ADCLEN __BIT(6)
#define A64_ADCG __BITS(2,0)
+#define A64_JACK_MIC_CTRL 0x1d
+#define A64_JACKDETEN __BIT(7)
+#define A64_INNERRESEN __BIT(6)
+#define A64_AUTOPLEN __BIT(1)
struct a64_acodec_softc {
device_t sc_dev;
@@ -430,6 +434,29 @@
.get_tag = a64_acodec_dai_get_tag
};
+static int
+a64_acodec_dai_jack_detect(audio_dai_tag_t dai, u_int jack, int present)
+{
+ struct a64_acodec_softc * const sc = audio_dai_private(dai);
+ const uint32_t lineout_mask = A64_LINEOUT_LEFT_EN | A64_LINEOUT_RIGHT_EN;
+
+ switch (jack) {
+ case AUDIO_DAI_JACK_HP:
+ if (present)
+ a64_acodec_pr_set_clear(sc, A64_LINEOUT_CTRL0,
+ 0, lineout_mask);
+ else
+ a64_acodec_pr_set_clear(sc, A64_LINEOUT_CTRL0,
+ lineout_mask, 0);
+ break;
+ case AUDIO_DAI_JACK_MIC:
+ /* XXX TODO */
+ break;
+ }
+
+ return 0;
+}
+
static const char * compatible[] = {
"allwinner,sun50i-a64-codec-analog",
NULL
@@ -474,7 +501,11 @@
/* Right & Left Headphone PA enable */
a64_acodec_pr_set_clear(sc, A64_HP_CTRL,
A64_HPPA_EN, 0);
+ /* Jack detect enable */
+ a64_acodec_pr_set_clear(sc, A64_JACK_MIC_CTRL,
+ A64_JACKDETEN | A64_INNERRESEN | A64_AUTOPLEN, 0);
+ sc->sc_dai.dai_jack_detect = a64_acodec_dai_jack_detect;
sc->sc_dai.dai_hw_if = &a64_acodec_hw_if;
sc->sc_dai.dai_dev = self;
sc->sc_dai.dai_priv = sc;
diff -r ffa6dd8ac34a -r eec6faa5c317 sys/arch/arm/sunxi/sun8i_codec.c
--- a/sys/arch/arm/sunxi/sun8i_codec.c Fri May 11 22:49:19 2018 +0000
+++ b/sys/arch/arm/sunxi/sun8i_codec.c Fri May 11 22:51:12 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sun8i_codec.c,v 1.1 2018/05/10 00:00:21 jmcneill Exp $ */
+/* $NetBSD: sun8i_codec.c,v 1.2 2018/05/11 22:51:12 jmcneill Exp $ */
/*-
* Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sun8i_codec.c,v 1.1 2018/05/10 00:00:21 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sun8i_codec.c,v 1.2 2018/05/11 22:51:12 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -36,6 +36,7 @@
#include <sys/kmem.h>
#include <sys/bitops.h>
#include <sys/gpio.h>
+#include <sys/workqueue.h>
#include <dev/audio_dai.h>
@@ -82,6 +83,21 @@
#define ADC_DIG_CTRL 0x100
#define ADC_DIG_CTRL_ENAD __BIT(15)
+#define HMIC_CTRL1 0x110
+#define HMIC_CTRL1_N __BITS(11,8)
+#define HMIC_CTRL1_JACK_IN_IRQ_EN __BIT(4)
+#define HMIC_CTRL1_JACK_OUT_IRQ_EN __BIT(3)
+#define HMIC_CTRL1_MIC_DET_IRQ_EN __BIT(0)
+
+#define HMIC_CTRL2 0x114
+#define HMIC_CTRL2_MDATA_THRES __BITS(12,8)
+
+#define HMIC_STS 0x118
+#define HMIC_STS_MIC_PRESENT __BIT(6)
+#define HMIC_STS_JACK_DET_OIRQ __BIT(4)
+#define HMIC_STS_JACK_DET_IIRQ __BIT(3)
+#define HMIC_STS_MIC_DET_ST __BIT(0)
+
#define DAC_DIG_CTRL 0x120
#define DAC_DIG_CTRL_ENDA __BIT(15)
@@ -97,7 +113,13 @@
bus_space_handle_t sc_bsh;
int sc_phandle;
+ struct workqueue *sc_workq;
+ struct work sc_work;
+
struct audio_dai_device sc_dai;
+ audio_dai_tag_t sc_codec_analog;
+ uint32_t sc_jackdet;
+ int sc_jackdet_pol;
struct fdtbus_gpio_pin *sc_pin_pa;
@@ -205,6 +227,91 @@
return 0;
}
+static int
+sun8i_codec_dai_add_device(audio_dai_tag_t dai, audio_dai_tag_t aux)
+{
+ struct sun8i_codec_softc * const sc = audio_dai_private(dai);
+
+ if (sc->sc_codec_analog != NULL)
+ return 0;
+
+ sc->sc_codec_analog = aux;
+
+ return 0;
+}
+
+static void
+sun8i_codec_set_jackdet(struct sun8i_codec_softc *sc, bool enable)
+{
+ const uint32_t mask =
+ HMIC_CTRL1_JACK_IN_IRQ_EN |
+ HMIC_CTRL1_JACK_OUT_IRQ_EN |
+ HMIC_CTRL1_MIC_DET_IRQ_EN;
+ uint32_t val;
+
+ val = RD4(sc, HMIC_CTRL1);
+ if (enable)
+ val |= mask;
+ else
+ val &= ~mask;
+ WR4(sc, HMIC_CTRL1, val);
+}
+
+static int
+sun8i_codec_intr(void *priv)
+{
+ struct sun8i_codec_softc * const sc = priv;
+ const uint32_t mask =
+ HMIC_STS_JACK_DET_OIRQ |
+ HMIC_STS_JACK_DET_IIRQ |
+ HMIC_STS_MIC_DET_ST;
+
+ sc->sc_jackdet = RD4(sc, HMIC_STS);
+
+ if (sc->sc_jackdet & mask) {
+ /* Disable jack detect IRQ until work is complete */
+ sun8i_codec_set_jackdet(sc, false);
+
+ /* Schedule pending jack detect task */
+ workqueue_enqueue(sc->sc_workq, &sc->sc_work, NULL);
+ }
+
+ WR4(sc, HMIC_STS, sc->sc_jackdet);
+
+ return 1;
+}
+
+
+static void
+sun8i_codec_thread(struct work *wk, void *priv)
+{
+ struct sun8i_codec_softc * const sc = priv;
+ const uint32_t sts = sc->sc_jackdet;
+ int hpdet = -1, micdet = -1;
+
+ if (sc->sc_codec_analog) {
+ if (sts & HMIC_STS_JACK_DET_OIRQ)
+ hpdet = 0 ^ sc->sc_jackdet_pol;
+ else if (sts & HMIC_STS_JACK_DET_IIRQ)
+ hpdet = 1 ^ sc->sc_jackdet_pol;
+
+ if (sts & HMIC_STS_MIC_DET_ST)
+ micdet = !!(sts & HMIC_STS_MIC_PRESENT);
+
+ if (hpdet != -1) {
+ audio_dai_jack_detect(sc->sc_codec_analog,
+ AUDIO_DAI_JACK_HP, hpdet);
+ }
+ if (micdet != -1) {
+ audio_dai_jack_detect(sc->sc_codec_analog,
+ AUDIO_DAI_JACK_MIC, micdet);
+ }
+ }
+
+ /* Re-enable jack detect IRQ */
+ sun8i_codec_set_jackdet(sc, true);
+}
+
static const char * compatible[] = {
"allwinner,sun50i-a64-codec",
NULL
@@ -224,20 +331,29 @@
struct sun8i_codec_softc * const sc = device_private(self);
struct fdt_attach_args * const faa = aux;
const int phandle = faa->faa_phandle;
+ char intrstr[128];
bus_addr_t addr;
bus_size_t size;
uint32_t val;
+ void *ih;
- sc->sc_dev = self;
if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
aprint_error(": couldn't get registers\n");
return;
}
+
+ if (!fdtbus_intr_str(phandle, 0, intrstr, sizeof(intrstr))) {
+ aprint_error(": couldn't decode interrupt\n");
+ return;
+ }
+
+ sc->sc_dev = self;
sc->sc_bst = faa->faa_bst;
if (bus_space_map(sc->sc_bst, addr, size, 0, &sc->sc_bsh) != 0) {
aprint_error(": couldn't map registers\n");
return;
}
+ sc->sc_jackdet_pol = 1;
sc->sc_clk_gate = fdtbus_clock_get(phandle, "bus");
sc->sc_clk_mod = fdtbus_clock_get(phandle, "mod");
@@ -255,6 +371,12 @@
aprint_naive("\n");
aprint_normal(": Audio Codec\n");
+ if (workqueue_create(&sc->sc_workq, "jackdet", sun8i_codec_thread,
+ sc, PRI_NONE, IPL_VM, 0) != 0) {
+ aprint_error_dev(self, "couldn't create jackdet workqueue\n");
+ return;
+ }
+
/* Enable clocks */
val = RD4(sc, SYSCLK_CTL);
val |= AIF1CLK_ENA;
@@ -301,7 +423,30 @@
if (sc->sc_pin_pa)
fdtbus_gpio_write(sc->sc_pin_pa, 1);
+ /* Enable jack detect */
+ val = RD4(sc, HMIC_CTRL1);
+ val |= __SHIFTIN(0xff, HMIC_CTRL1_N);
+ WR4(sc, HMIC_CTRL1, val);
+
+ val = RD4(sc, HMIC_CTRL2);
+ val &= ~HMIC_CTRL2_MDATA_THRES;
+ val |= __SHIFTIN(0x17, HMIC_CTRL2_MDATA_THRES);
+ WR4(sc, HMIC_CTRL2, val);
+
+ /* Schedule initial jack detect task */
+ workqueue_enqueue(sc->sc_workq, &sc->sc_work, NULL);
+
+ ih = fdtbus_intr_establish(phandle, 0, IPL_VM, FDT_INTR_MPSAFE,
+ sun8i_codec_intr, sc);
+ if (ih == NULL) {
+ aprint_error_dev(self, "couldn't establish interrupt on %s\n",
+ intrstr);
+ return;
+ }
+ aprint_normal_dev(self, "interrupting on %s\n", intrstr);
+
sc->sc_dai.dai_set_format = sun8i_codec_dai_set_format;
+ sc->sc_dai.dai_add_device = sun8i_codec_dai_add_device;
sc->sc_dai.dai_hw_if = &sun8i_codec_hw_if;
sc->sc_dai.dai_dev = self;
sc->sc_dai.dai_priv = sc;
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