svn commit: r360228 - head/sys/arm64/rockchip

[Emmanuel Vadot]

Author: manu
Date: Thu Apr 23 19:16:20 2020
New Revision: 360228
URL: https://svnweb.freebsd.org/changeset/base/360228

Log:
  arm64: rockchip: Fix TSADC on RK3328
  
  The TSADC familiy is a little bit more complex than V2 and V3.
  Early revision do not use syscon and do not use qsel (RK3288).
  Next revision still do not use syscon but uses qsel (RK3328).
  Final revision use both.
  
  Submitted by:	peterj
  MFC after:	1 month

Modified:
  head/sys/arm64/rockchip/rk_tsadc.c

Modified: head/sys/arm64/rockchip/rk_tsadc.c
==============================================================================
--- head/sys/arm64/rockchip/rk_tsadc.c	Thu Apr 23 18:04:52 2020	(r360227)
+++ head/sys/arm64/rockchip/rk_tsadc.c	Thu Apr 23 19:16:20 2020	(r360228)
@@ -98,24 +98,19 @@ struct tsensor {
 	int			channel;
 };
 
-enum tsadc_type {
-	RK_TSADC_V2,
-	RK_TSADC_V3
-};
-
 struct rk_calib_entry {
 	uint32_t	raw;
 	int		temp;
 };
 
 struct tsadc_calib_info {
-	bool decrement_mode;
 	struct rk_calib_entry	*table;
 	int			nentries;
 };
 
 struct tsadc_conf {
-	enum tsadc_type		type;
+	int			use_syscon;
+	int			q_sel_ntc;
 	int			shutdown_temp;
 	int			shutdown_mode;
 	int			shutdown_pol;
@@ -188,7 +183,8 @@ struct tsensor rk3288_tsensors[] = {
 };
 
 struct tsadc_conf rk3288_tsadc_conf = {
-	.type = 		RK_TSADC_V2,
+	.use_syscon =		0,
+	.q_sel_ntc =		0,
 	.shutdown_temp =	95000,
 	.shutdown_mode =	1, /* GPIO */
 	.shutdown_pol =		0, /* Low  */
@@ -241,7 +237,8 @@ static struct tsensor rk3328_tsensors[] = {
 };
 
 static struct tsadc_conf rk3328_tsadc_conf = {
-	.type = 		RK_TSADC_V3,
+	.use_syscon =		0,
+	.q_sel_ntc =		1,
 	.shutdown_temp =	95000,
 	.shutdown_mode =	0, /* CRU */
 	.shutdown_pol =		0, /* Low  */
@@ -296,7 +293,8 @@ static struct tsensor rk3399_tsensors[] = {
 };
 
 static struct tsadc_conf rk3399_tsadc_conf = {
-	.type = 		RK_TSADC_V3,
+	.use_syscon =		1,
+	.q_sel_ntc =		1,
 	.shutdown_temp =	95000,
 	.shutdown_mode =	1, /* GPIO */
 	.shutdown_pol =		0, /* Low  */
@@ -444,11 +442,11 @@ tsadc_init(struct tsadc_softc *sc)
 		val |= TSADC_AUTO_CON_POL_HI;
 	else
 		val &= ~TSADC_AUTO_CON_POL_HI;
-	if (sc->conf->type == RK_TSADC_V3)
+	if (sc->conf->q_sel_ntc)
 		val |= TSADC_AUTO_Q_SEL;
 	WR4(sc, TSADC_AUTO_CON, val);
 
-	if (sc->conf->type == RK_TSADC_V2) {
+	if (!sc->conf->use_syscon) {
 		/* V2 init */
 		WR4(sc, TSADC_AUTO_PERIOD, 250); 	/* 250 ms */
 		WR4(sc, TSADC_AUTO_PERIOD_HT, 50);	/*  50 ms */