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-rw-r--r--power/rk3399.c143
1 files changed, 63 insertions, 80 deletions
diff --git a/power/rk3399.c b/power/rk3399.c
index e0ea7ee483..ef4c0407b8 100644
--- a/power/rk3399.c
+++ b/power/rk3399.c
@@ -1,4 +1,4 @@
-/* Copyright 2013 The Chromium OS Authors. All rights reserved.
+/* Copyright 2013 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
@@ -12,6 +12,7 @@
* Version 1: Simplified power tree for tablet / detachable.
*/
+#include "builtin/assert.h"
#include "charge_state.h"
#include "chipset.h"
#include "common.h"
@@ -30,46 +31,46 @@
/* Console output macros */
#define CPUTS(outstr) cputs(CC_CHIPSET, outstr)
-#define CPRINTS(format, args...) cprints(CC_CHIPSET, format, ## args)
+#define CPRINTS(format, args...) cprints(CC_CHIPSET, format, ##args)
/* Input state flags */
#if CONFIG_CHIPSET_POWER_SEQ_VERSION == 1
- #define IN_PGOOD_PP1250_S3 POWER_SIGNAL_MASK(PP1250_S3_PWR_GOOD)
- #define IN_PGOOD_PP900_S0 POWER_SIGNAL_MASK(PP900_S0_PWR_GOOD)
+#define IN_PGOOD_PP1250_S3 POWER_SIGNAL_MASK(PP1250_S3_PWR_GOOD)
+#define IN_PGOOD_PP900_S0 POWER_SIGNAL_MASK(PP900_S0_PWR_GOOD)
#else
- #define IN_PGOOD_PP5000 POWER_SIGNAL_MASK(PP5000_PWR_GOOD)
- #define IN_PGOOD_SYS POWER_SIGNAL_MASK(SYS_PWR_GOOD)
+#define IN_PGOOD_PP5000 POWER_SIGNAL_MASK(PP5000_PWR_GOOD)
+#define IN_PGOOD_SYS POWER_SIGNAL_MASK(SYS_PWR_GOOD)
#endif
-#define IN_PGOOD_AP POWER_SIGNAL_MASK(AP_PWR_GOOD)
-#define IN_SUSPEND_DEASSERTED POWER_SIGNAL_MASK(SUSPEND_DEASSERTED)
+#define IN_PGOOD_AP POWER_SIGNAL_MASK(AP_PWR_GOOD)
+#define IN_SUSPEND_DEASSERTED POWER_SIGNAL_MASK(SUSPEND_DEASSERTED)
/* Rails requires for S3 and S0 */
#if CONFIG_CHIPSET_POWER_SEQ_VERSION == 1
- #define IN_PGOOD_S3 (IN_PGOOD_PP1250_S3)
- #define IN_PGOOD_S0 (IN_PGOOD_S3 | IN_PGOOD_PP900_S0 | IN_PGOOD_AP)
- /* This board can optionally wake-on-USB in S3 */
- #define S3_USB_WAKE
- /* This board has non-INT power signal pins */
- #define POWER_SIGNAL_POLLING
- /* This board supports CR50 deep sleep mode */
- #define CR50_DEEP_SLEEP
- /*
- * If AP_PWR_GOOD assertion does not trigger an interrupt, poll the
- * signal every 5ms, up to 200 times (~ 1 second timeout).
- */
- #define PGOOD_S0_POLL_TIMEOUT (5 * MSEC)
- #define PGOOD_S0_POLL_TRIES 200
+#define IN_PGOOD_S3 (IN_PGOOD_PP1250_S3)
+#define IN_PGOOD_S0 (IN_PGOOD_S3 | IN_PGOOD_PP900_S0 | IN_PGOOD_AP)
+/* This board can optionally wake-on-USB in S3 */
+#define S3_USB_WAKE
+/* This board has non-INT power signal pins */
+#define POWER_SIGNAL_POLLING
+/* This board supports CR50 deep sleep mode */
+#define CR50_DEEP_SLEEP
+/*
+ * If AP_PWR_GOOD assertion does not trigger an interrupt, poll the
+ * signal every 5ms, up to 200 times (~ 1 second timeout).
+ */
+#define PGOOD_S0_POLL_TIMEOUT (5 * MSEC)
+#define PGOOD_S0_POLL_TRIES 200
#else
- #define IN_PGOOD_S3 (IN_PGOOD_PP5000)
- #define IN_PGOOD_S0 (IN_PGOOD_S3 | IN_PGOOD_AP | IN_PGOOD_SYS)
+#define IN_PGOOD_S3 (IN_PGOOD_PP5000)
+#define IN_PGOOD_S0 (IN_PGOOD_S3 | IN_PGOOD_AP | IN_PGOOD_SYS)
#endif
/* All inputs in the right state for S0 */
-#define IN_ALL_S0 (IN_PGOOD_S0 | IN_SUSPEND_DEASSERTED)
+#define IN_ALL_S0 (IN_PGOOD_S0 | IN_SUSPEND_DEASSERTED)
/* Long power key press to force shutdown in S0 */
-#define FORCED_SHUTDOWN_DELAY (8 * SECOND)
+#define FORCED_SHUTDOWN_DELAY (8 * SECOND)
#define CHARGER_INITIALIZED_DELAY_MS 100
#define CHARGER_INITIALIZED_TRIES 40
@@ -126,12 +127,9 @@ static const struct power_seq_op s3s0_power_seq[] = {
};
#else
static const struct power_seq_op s3s0_power_seq[] = {
- { GPIO_PPVAR_CLOGIC_EN, 1, 2 },
- { GPIO_PP900_DDRPLL_EN, 1, 2 },
- { GPIO_PP1800_AP_AVDD_EN_L, 0, 2 },
- { GPIO_AP_CORE_EN, 1, 2 },
- { GPIO_PP1800_S0_EN_L, 0, 2 },
- { GPIO_PP3300_S0_EN_L, 0, 0 },
+ { GPIO_PPVAR_CLOGIC_EN, 1, 2 }, { GPIO_PP900_DDRPLL_EN, 1, 2 },
+ { GPIO_PP1800_AP_AVDD_EN_L, 0, 2 }, { GPIO_AP_CORE_EN, 1, 2 },
+ { GPIO_PP1800_S0_EN_L, 0, 2 }, { GPIO_PP3300_S0_EN_L, 0, 0 },
};
#endif
@@ -151,12 +149,9 @@ static const struct power_seq_op s0s3_power_seq[] = {
};
#else
static const struct power_seq_op s0s3_power_seq[] = {
- { GPIO_PP3300_S0_EN_L, 1, 20 },
- { GPIO_PP1800_S0_EN_L, 1, 1 },
- { GPIO_AP_CORE_EN, 0, 20 },
- { GPIO_PP1800_AP_AVDD_EN_L, 1, 1 },
- { GPIO_PP900_DDRPLL_EN, 0, 1 },
- { GPIO_PPVAR_CLOGIC_EN, 0, 0 },
+ { GPIO_PP3300_S0_EN_L, 1, 20 }, { GPIO_PP1800_S0_EN_L, 1, 1 },
+ { GPIO_AP_CORE_EN, 0, 20 }, { GPIO_PP1800_AP_AVDD_EN_L, 1, 1 },
+ { GPIO_PP900_DDRPLL_EN, 0, 1 }, { GPIO_PPVAR_CLOGIC_EN, 0, 0 },
};
#endif
@@ -173,28 +168,19 @@ static const struct power_seq_op s0s3_usb_wake_power_seq[] = {
/* The power sequence for POWER_S3S5 */
#if CONFIG_CHIPSET_POWER_SEQ_VERSION == 1
static const struct power_seq_op s3s5_power_seq[] = {
- { GPIO_SYS_RST_L, 0, 0 },
- { GPIO_PP1250_S3_EN, 0, 2 },
- { GPIO_PP1800_S3_EN, 0, 2 },
- { GPIO_PP3300_S3_EN, 0, 2 },
+ { GPIO_SYS_RST_L, 0, 0 }, { GPIO_PP1250_S3_EN, 0, 2 },
+ { GPIO_PP1800_S3_EN, 0, 2 }, { GPIO_PP3300_S3_EN, 0, 2 },
{ GPIO_PP900_S3_EN, 0, 0 },
};
#else
static const struct power_seq_op s3s5_power_seq[] = {
- { GPIO_PP1800_SENSOR_EN_L, 1, 0},
- { GPIO_PP1800_SIXAXIS_EN_L, 1, 0},
- { GPIO_PP1800_LID_EN_L, 1, 0 },
- { GPIO_PP3300_TRACKPAD_EN_L, 1, 0 },
- { GPIO_PP5000_EN, 0, 0 },
- { GPIO_PP3300_USB_EN_L, 1, 20 },
- { GPIO_PP1800_USB_EN_L, 1, 10 },
- { GPIO_LPDDR_PWR_EN, 0, 20 },
- { GPIO_PP1800_PMU_EN_L, 1, 2 },
- { GPIO_PP900_PLL_EN, 0, 0 },
- { GPIO_PP900_PMU_EN, 0, 0 },
- { GPIO_PP900_USB_EN, 0, 6 },
- { GPIO_PP900_PCIE_EN, 0, 0 },
- { GPIO_PP900_AP_EN, 0, 0 },
+ { GPIO_PP1800_SENSOR_EN_L, 1, 0 }, { GPIO_PP1800_SIXAXIS_EN_L, 1, 0 },
+ { GPIO_PP1800_LID_EN_L, 1, 0 }, { GPIO_PP3300_TRACKPAD_EN_L, 1, 0 },
+ { GPIO_PP5000_EN, 0, 0 }, { GPIO_PP3300_USB_EN_L, 1, 20 },
+ { GPIO_PP1800_USB_EN_L, 1, 10 }, { GPIO_LPDDR_PWR_EN, 0, 20 },
+ { GPIO_PP1800_PMU_EN_L, 1, 2 }, { GPIO_PP900_PLL_EN, 0, 0 },
+ { GPIO_PP900_PMU_EN, 0, 0 }, { GPIO_PP900_USB_EN, 0, 6 },
+ { GPIO_PP900_PCIE_EN, 0, 0 }, { GPIO_PP900_AP_EN, 0, 0 },
{ GPIO_PPVAR_LOGIC_EN, 0, 0 },
};
#endif
@@ -268,18 +254,18 @@ DECLARE_DEFERRED(force_shutdown);
* power sequencing, and immediately transition out of suspend if necessary.
*/
#define SLEEP_INTERVAL_MS 5
-#define MSLEEP_CHECK_ABORTED_SUSPEND(msec) \
- do { \
- int sleep_remain = msec; \
- do { \
- msleep(MIN(sleep_remain, SLEEP_INTERVAL_MS)); \
- sleep_remain -= SLEEP_INTERVAL_MS; \
- if (!forcing_shutdown && \
- power_get_signals() & IN_SUSPEND_DEASSERTED) { \
- CPRINTS("suspend aborted"); \
- return POWER_S3S0; \
- } \
- } while (sleep_remain > 0); \
+#define MSLEEP_CHECK_ABORTED_SUSPEND(msec) \
+ do { \
+ int sleep_remain = msec; \
+ do { \
+ msleep(MIN(sleep_remain, SLEEP_INTERVAL_MS)); \
+ sleep_remain -= SLEEP_INTERVAL_MS; \
+ if (!forcing_shutdown && \
+ power_get_signals() & IN_SUSPEND_DEASSERTED) { \
+ CPRINTS("suspend aborted"); \
+ return POWER_S3S0; \
+ } \
+ } while (sleep_remain > 0); \
} while (0)
BUILD_ASSERT(POWER_S3S0 != 0);
@@ -295,15 +281,14 @@ static int power_seq_run(const struct power_seq_op *power_seq_ops, int op_count)
int i;
for (i = 0; i < op_count; i++) {
- gpio_set_level(power_seq_ops[i].signal,
- power_seq_ops[i].level);
+ gpio_set_level(power_seq_ops[i].signal, power_seq_ops[i].level);
if (!power_seq_ops[i].delay)
continue;
if ((power_seq_ops == s0s3_power_seq)
#ifdef S3_USB_WAKE
|| (power_seq_ops == s0s3_usb_wake_power_seq)
#endif
- )
+ )
MSLEEP_CHECK_ABORTED_SUSPEND(power_seq_ops[i].delay);
else
msleep(power_seq_ops[i].delay);
@@ -340,8 +325,7 @@ enum power_state power_handle_state(enum power_state state)
break;
case POWER_S0:
- if (!power_has_signals(IN_PGOOD_S3) ||
- forcing_shutdown ||
+ if (!power_has_signals(IN_PGOOD_S3) || forcing_shutdown ||
!(power_get_signals() & IN_SUSPEND_DEASSERTED))
return POWER_S0S3;
@@ -353,16 +337,15 @@ enum power_state power_handle_state(enum power_state state)
* it here as well.
*/
if (power_wait_signals_timeout(IN_PGOOD_AP | IN_PGOOD_SYS,
- PGOOD_AP_DEBOUNCE_TIMEOUT)
- == EC_ERROR_TIMEOUT)
+ PGOOD_AP_DEBOUNCE_TIMEOUT) ==
+ EC_ERROR_TIMEOUT)
return POWER_S0S3;
/*
* power_wait_signals_timeout() can block and consume task
* wake events, so re-verify the state of the world.
*/
- if (!power_has_signals(IN_PGOOD_S3) ||
- forcing_shutdown ||
+ if (!power_has_signals(IN_PGOOD_S3) || forcing_shutdown ||
!(power_get_signals() & IN_SUSPEND_DEASSERTED))
return POWER_S0S3;
#endif
@@ -444,7 +427,8 @@ enum power_state power_handle_state(enum power_state state)
* interrupt.
*/
while (power_wait_signals_timeout(IN_PGOOD_S0,
- PGOOD_S0_POLL_TIMEOUT) == EC_ERROR_TIMEOUT &&
+ PGOOD_S0_POLL_TIMEOUT) ==
+ EC_ERROR_TIMEOUT &&
++tries < PGOOD_S0_POLL_TRIES)
;
@@ -553,8 +537,7 @@ static void power_button_changed(void)
#endif
}
/* Delayed power down from S0/S3, cancel on PB release */
- hook_call_deferred(&force_shutdown_data,
- FORCED_SHUTDOWN_DELAY);
+ hook_call_deferred(&force_shutdown_data, FORCED_SHUTDOWN_DELAY);
} else {
#if CONFIG_CHIPSET_POWER_SEQ_VERSION == 1
if (tablet_boot_on_button_release) {
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