diff options
Diffstat (limited to 'chip/mchp/gpio.c')
| -rw-r--r-- | chip/mchp/gpio.c | 69 |
1 files changed, 31 insertions, 38 deletions
diff --git a/chip/mchp/gpio.c b/chip/mchp/gpio.c index 5794229b34..a3cab86fcc 100644 --- a/chip/mchp/gpio.c +++ b/chip/mchp/gpio.c @@ -1,4 +1,4 @@ -/* Copyright 2017 The Chromium OS Authors. All rights reserved. +/* Copyright 2017 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ @@ -18,8 +18,7 @@ /* Console output macros */ #define CPUTS(outstr) cputs(CC_LPC, outstr) -#define CPRINTS(format, args...) cprints(CC_LPC, format, ## args) - +#define CPRINTS(format, args...) cprints(CC_LPC, format, ##args) struct gpio_int_mapping { int8_t girq_id; @@ -38,10 +37,9 @@ struct gpio_int_mapping { * 4 0200 - 0235 12 * 5 0240 - 0276 26 */ -static const struct gpio_int_mapping int_map[] = { - { 11, 0 }, { 10, 1 }, { 9, 2 }, - { 8, 3 }, { 12, 4 }, { 26, 5 } -}; +static const struct gpio_int_mapping int_map[] = { { 11, 0 }, { 10, 1 }, + { 9, 2 }, { 8, 3 }, + { 12, 4 }, { 26, 5 } }; BUILD_ASSERT(ARRAY_SIZE(int_map) == MCHP_GPIO_MAX_PORT); /* @@ -98,7 +96,7 @@ static void disable_bgpo(uint32_t port, uint32_t mask) * 1-bit of val or if val == 0 returns 0 */ void gpio_set_alternate_function(uint32_t port, uint32_t mask, - enum gpio_alternate_func func) + enum gpio_alternate_func func) { int i; uint32_t val; @@ -171,16 +169,16 @@ void gpio_set_flags_by_mask(uint32_t port, uint32_t mask, uint32_t flags) #ifdef CONFIG_GPIO_POWER_DOWN if (flags & GPIO_POWER_DOWN) { - val = (MCHP_GPIO_CTRL_PWR_OFF - | MCHP_GPIO_INTDET_DISABLED - | MCHP_GPIO_CTRL_DIS_INPUT_BIT); + val = (MCHP_GPIO_CTRL_PWR_OFF | + MCHP_GPIO_INTDET_DISABLED | + MCHP_GPIO_CTRL_DIS_INPUT_BIT); MCHP_GPIO_CTL(port, i) = val; continue; } #endif - val &= ~(MCHP_GPIO_CTRL_PWR_MASK - | MCHP_GPIO_CTRL_DIS_INPUT_BIT); + val &= ~(MCHP_GPIO_CTRL_PWR_MASK | + MCHP_GPIO_CTRL_DIS_INPUT_BIT); val |= MCHP_GPIO_CTRL_PWR_VTR; /* @@ -253,9 +251,9 @@ void gpio_power_off_by_mask(uint32_t port, uint32_t mask) while (mask) { i = GPIO_MASK_TO_NUM(mask); mask &= ~BIT(i); - MCHP_GPIO_CTL(port, i) = (MCHP_GPIO_CTRL_PWR_OFF - | MCHP_GPIO_INTDET_DISABLED - | MCHP_GPIO_CTRL_DIS_INPUT_BIT); + MCHP_GPIO_CTL(port, i) = + (MCHP_GPIO_CTRL_PWR_OFF | MCHP_GPIO_INTDET_DISABLED | + MCHP_GPIO_CTRL_DIS_INPUT_BIT); } } @@ -268,9 +266,9 @@ int gpio_power_off(enum gpio_signal signal) i = GPIO_MASK_TO_NUM(gpio_list[signal].mask); port = gpio_list[signal].port; - MCHP_GPIO_CTL(port, i) = (MCHP_GPIO_CTRL_PWR_OFF - | MCHP_GPIO_INTDET_DISABLED - | MCHP_GPIO_CTRL_DIS_INPUT_BIT); + MCHP_GPIO_CTL(port, i) = + (MCHP_GPIO_CTRL_PWR_OFF | MCHP_GPIO_INTDET_DISABLED | + MCHP_GPIO_CTRL_DIS_INPUT_BIT); return EC_SUCCESS; } @@ -313,7 +311,6 @@ int gpio_disable_interrupt(enum gpio_signal signal) port = gpio_list[signal].port; girq_id = int_map[port].girq_id; - MCHP_INT_DISABLE(girq_id) = BIT(i); return EC_SUCCESS; @@ -369,7 +366,6 @@ void gpio_pre_init(void) int is_warm = system_is_reboot_warm(); const struct gpio_info *g = gpio_list; - for (i = 0; i < GPIO_COUNT; i++, g++) { flags = g->flags; @@ -389,7 +385,7 @@ void gpio_pre_init(void) /* Use as GPIO, not alternate function */ gpio_set_alternate_function(g->port, g->mask, - GPIO_ALT_FUNC_NONE); + GPIO_ALT_FUNC_NONE); } } @@ -405,14 +401,13 @@ void gpio_pre_init(void) * assumption for the GPIO's that have been enabled. * 2. Clear NVIC pending to prevent ISR firing on false edge. */ -#define ENABLE_GPIO_GIRQ(x) \ - do { \ - MCHP_INT_SOURCE(x) = 0xfffffffful; \ - task_clear_pending_irq(MCHP_IRQ_GIRQ ## x); \ - task_enable_irq(MCHP_IRQ_GIRQ ## x); \ +#define ENABLE_GPIO_GIRQ(x) \ + do { \ + MCHP_INT_SOURCE(x) = 0xfffffffful; \ + task_clear_pending_irq(MCHP_IRQ_GIRQ##x); \ + task_enable_irq(MCHP_IRQ_GIRQ##x); \ } while (0) - static void gpio_init(void) { ENABLE_GPIO_GIRQ(8); @@ -427,7 +422,6 @@ DECLARE_HOOK(HOOK_INIT, gpio_init, HOOK_PRIO_DEFAULT); /************************************************************************/ /* Interrupt handlers */ - /** * Handler for each GIRQ interrupt. This reads and clears the interrupt * bits for the GIRQ interrupt, then finds and calls the corresponding @@ -448,8 +442,8 @@ static void gpio_interrupt(int girq, int port) MCHP_INT_SOURCE(girq) = sts; trace12(0, GPIO, 0, "GPIO GIRQ %d result = 0x%08x", girq, sts); - trace12(0, GPIO, 0, "GPIO ParIn[%d] = 0x%08x", - port, MCHP_GPIO_PARIN(port)); + trace12(0, GPIO, 0, "GPIO ParIn[%d] = 0x%08x", port, + MCHP_GPIO_PARIN(port)); for (i = 0; (i < GPIO_IH_COUNT) && sts; ++i, ++g) { if (g->port != port) @@ -459,9 +453,8 @@ static void gpio_interrupt(int girq, int port) if (bit) { bit--; if (sts & BIT(bit)) { - trace12(0, GPIO, 0, - "Bit[%d]: handler @ 0x%08x", bit, - (uint32_t)gpio_irq_handlers[i]); + trace12(0, GPIO, 0, "Bit[%d]: handler @ 0x%08x", + bit, (uint32_t)gpio_irq_handlers[i]); gpio_irq_handlers[i](i); } sts &= ~BIT(bit); @@ -469,10 +462,10 @@ static void gpio_interrupt(int girq, int port) } } -#define GPIO_IRQ_FUNC(irqfunc, girq, port)\ - static void irqfunc(void) \ - { \ - gpio_interrupt(girq, port);\ +#define GPIO_IRQ_FUNC(irqfunc, girq, port) \ + static void irqfunc(void) \ + { \ + gpio_interrupt(girq, port); \ } GPIO_IRQ_FUNC(__girq_8_interrupt, 8, 3); |