Module Name: src
Committed By: jmcneill
Date: Sat Nov 23 12:28:44 UTC 2019
Modified Files:
src/sys/dev/ic: dw_hdmi.c dw_hdmi.h
Log Message:
Allow bus glue to setup DDC clocks
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/dev/ic/dw_hdmi.c src/sys/dev/ic/dw_hdmi.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/ic/dw_hdmi.c
diff -u src/sys/dev/ic/dw_hdmi.c:1.4 src/sys/dev/ic/dw_hdmi.c:1.5
--- src/sys/dev/ic/dw_hdmi.c:1.4 Sat Nov 16 13:10:07 2019
+++ src/sys/dev/ic/dw_hdmi.c Sat Nov 23 12:28:44 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: dw_hdmi.c,v 1.4 2019/11/16 13:10:07 jmcneill Exp $ */
+/* $NetBSD: dw_hdmi.c,v 1.5 2019/11/23 12:28:44 jmcneill Exp $ */
/*-
* Copyright (c) 2019 Jared D. McNeill <jmcne...@invisible.ca>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dw_hdmi.c,v 1.4 2019/11/16 13:10:07 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dw_hdmi.c,v 1.5 2019/11/23 12:28:44 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -239,6 +239,8 @@ __KERNEL_RCSID(0, "$NetBSD: dw_hdmi.c,v
#define HDMI_I2CM_SOFTRSTZ 0x7e09
#define HDMI_I2CM_SOFTRSTZ_I2C_SOFTRST __BIT(0)
#define HDMI_I2CM_SEGPTR 0x7e0a
+#define HDMI_I2CM_SS_SCL_HCNT_0_ADDR 0x730c
+#define HDMI_I2CM_SS_SCL_LCNT_0_ADDR 0x730e
enum dwhdmi_dai_mixer_ctrl {
DWHDMI_DAI_OUTPUT_CLASS,
@@ -291,6 +293,10 @@ dwhdmi_ddc_exec(void *priv, i2c_op_t op,
dwhdmi_write(sc, HDMI_I2CM_SOFTRSTZ, 0);
dwhdmi_write(sc, HDMI_IH_I2CM_STAT0, dwhdmi_read(sc, HDMI_IH_I2CM_STAT0));
+ if (sc->sc_scl_hcnt)
+ dwhdmi_write(sc, HDMI_I2CM_SS_SCL_HCNT_0_ADDR, sc->sc_scl_hcnt);
+ if (sc->sc_scl_lcnt)
+ dwhdmi_write(sc, HDMI_I2CM_SS_SCL_LCNT_0_ADDR, sc->sc_scl_lcnt);
dwhdmi_write(sc, HDMI_I2CM_DIV, 0);
dwhdmi_write(sc, HDMI_I2CM_SLAVE, DDC_ADDR);
dwhdmi_write(sc, HDMI_I2CM_SEGADDR, DDC_SEGMENT_ADDR);
@@ -299,6 +305,8 @@ dwhdmi_ddc_exec(void *priv, i2c_op_t op,
operation = block ? HDMI_I2CM_OPERATION_RD_EXT : HDMI_I2CM_OPERATION_RD;
off = (block & 1) ? 128 : 0;
+ dwhdmi_write(sc, HDMI_I2CM_SEGPTR, block >> 1);
+
for (n = 0; n < len; n++) {
dwhdmi_write(sc, HDMI_I2CM_ADDRESS, n + off);
dwhdmi_write(sc, HDMI_I2CM_OPERATION, operation);
Index: src/sys/dev/ic/dw_hdmi.h
diff -u src/sys/dev/ic/dw_hdmi.h:1.4 src/sys/dev/ic/dw_hdmi.h:1.5
--- src/sys/dev/ic/dw_hdmi.h:1.4 Sat Nov 16 13:10:07 2019
+++ src/sys/dev/ic/dw_hdmi.h Sat Nov 23 12:28:44 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: dw_hdmi.h,v 1.4 2019/11/16 13:10:07 jmcneill Exp $ */
+/* $NetBSD: dw_hdmi.h,v 1.5 2019/11/23 12:28:44 jmcneill Exp $ */
/*-
* Copyright (c) 2019 Jared D. McNeill <jmcne...@invisible.ca>
@@ -67,6 +67,8 @@ struct dwhdmi_softc {
u_int sc_reg_width;
u_int sc_flags;
#define DWHDMI_USE_INTERNAL_PHY __BIT(0)
+ u_int sc_scl_hcnt;
+ u_int sc_scl_lcnt;
u_int sc_phytype;
u_int sc_version;
