[coreboot-gerrit] Change in coreboot[master]: ec/lenovo/h8/ssdt: Add UWB ACPI interface
Patrick Rudolph (Code Review)
gerrit at coreboot.org
Mon Aug 14 19:04:26 CEST 2017
Patrick Rudolph has uploaded this change for review. ( https://review.coreboot.org/21003
Change subject: ec/lenovo/h8/ssdt: Add UWB ACPI interface
......................................................................
ec/lenovo/h8/ssdt: Add UWB ACPI interface
Add ACPI methods GUWB and SUWB for thinkpad_acpi.
Change-Id: I8f9a56e45c0d765b0e06b8d3600bd3575dd09491
Signed-off-by: Patrick Rudolph <siro at das-labor.org>
---
M src/ec/lenovo/h8/acpi/ec.asl
M src/ec/lenovo/h8/ssdt.c
2 files changed, 67 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/03/21003/1
diff --git a/src/ec/lenovo/h8/acpi/ec.asl b/src/ec/lenovo/h8/acpi/ec.asl
index 085c9e2..9643102 100644
--- a/src/ec/lenovo/h8/acpi/ec.asl
+++ b/src/ec/lenovo/h8/acpi/ec.asl
@@ -42,6 +42,9 @@
Offset (0x30),
, 6,
ALMT, 1, /* Audio Mute + LED */
+ Offset (0x31),
+ , 2,
+ UWBE, 1, /* Ultra Wideband enable */
Offset (0x3a),
AMUT, 1, /* Audio Mute (internal use) */
, 3,
diff --git a/src/ec/lenovo/h8/ssdt.c b/src/ec/lenovo/h8/ssdt.c
index 26c0d84..7ed134b 100644
--- a/src/ec/lenovo/h8/ssdt.c
+++ b/src/ec/lenovo/h8/ssdt.c
@@ -239,6 +239,69 @@
acpigen_pop_len(); /* Method */
}
+/* Generate ACPI methods GUWB and SUWB */
+static void h8_dsdt_uwb(struct device *dev)
+{
+ struct ec_lenovo_h8_config *conf = dev->chip_info;
+ if (!conf)
+ return;
+
+ const bool has_uwb = conf->has_uwb;
+
+ /* Method (GUWB, 0) */
+ acpigen_write_method("GUWB", 0);
+ /* Store(Zero, Local0) */
+ acpigen_write_store_ops(ZERO_OP, LOCAL0_OP);
+ if (has_uwb) {
+ /* UWB present */
+ /* Or(Local0, One, Local0) */
+ acpigen_write_or(LOCAL0_OP, ONE_OP, LOCAL0_OP);
+
+ /* If(LEqual(\_SB.PCI0.LPCB.EC.UWBE, One)) */
+ acpigen_write_if();
+ acpigen_emit_byte(LEQUAL_OP);
+ acpigen_emit_namestring(h8_dsdt_scope(dev, "UWBE"));
+ acpigen_emit_byte(ONE_OP);
+
+ /* Or(Local0, 2, Local0) */
+ acpigen_emit_byte(OR_OP);
+ acpigen_emit_byte(LOCAL0_OP);
+ acpigen_write_integer(2);
+ acpigen_emit_byte(LOCAL0_OP);
+ acpigen_pop_len(); /* If */
+ }
+ /* Return(Local0) */
+ acpigen_emit_byte(RETURN_OP);
+ acpigen_emit_byte(LOCAL0_OP);
+ acpigen_pop_len(); /* Method */
+
+ /* Method (SUWB, 1) */
+ acpigen_write_method("SUWB", 1);
+ if (has_uwb) {
+ /* And(Arg0, 2, Local0) */
+ acpigen_emit_byte(AND_OP);
+ acpigen_emit_byte(ARG0_OP);
+ acpigen_write_integer(2);
+ acpigen_emit_byte(LOCAL0_OP);
+ /* If(Lequal(Local0, 2)) */
+ acpigen_write_if_lequal_op_int(LOCAL0_OP, 2);
+ /* Store(One, \_SB.PCI0.LPCB.EC.UWBE) */
+ acpigen_write_store();
+ acpigen_emit_byte(ONE_OP);
+ acpigen_emit_namestring(h8_dsdt_scope(dev, "UWBE"));
+ acpigen_pop_len(); /* If */
+ /* Else */
+ acpigen_write_else();
+ /* Store(Zero, \_SB.PCI0.LPCB.EC.UWBE) */
+ acpigen_write_store();
+ acpigen_emit_byte(ZERO_OP);
+ acpigen_emit_namestring(h8_dsdt_scope(dev, "UWBE"));
+ acpigen_pop_len(); /* Else */
+ }
+ acpigen_pop_len(); /* Method */
+}
+
+
/*
* Generates EC SSDT.
*/
@@ -256,6 +319,7 @@
h8_dsdt_bluetooth(dev);
h8_dsdt_wwan(dev);
h8_dsdt_keyboard_backlight(dev);
+ h8_dsdt_uwb(dev);
acpigen_pop_len(); /* Scope HKEY */
}
--
To view, visit https://review.coreboot.org/21003
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I8f9a56e45c0d765b0e06b8d3600bd3575dd09491
Gerrit-Change-Number: 21003
Gerrit-PatchSet: 1
Gerrit-Owner: Patrick Rudolph <siro at das-labor.org>
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