Thomas Abraham | 43b169d | 2012-09-07 06:07:19 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Exynos specific definitions for Samsung pinctrl and gpiolib driver. |
| 3 | * |
| 4 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. |
| 5 | * http://www.samsung.com |
| 6 | * Copyright (c) 2012 Linaro Ltd |
| 7 | * http://www.linaro.org |
| 8 | * |
| 9 | * This file contains the Exynos specific definitions for the Samsung |
| 10 | * pinctrl/gpiolib interface drivers. |
| 11 | * |
| 12 | * Author: Thomas Abraham <thomas.ab@samsung.com> |
| 13 | * |
| 14 | * This program is free software; you can redistribute it and/or modify |
| 15 | * it under the terms of the GNU General Public License as published by |
| 16 | * the Free Software Foundation; either version 2 of the License, or |
| 17 | * (at your option) any later version. |
| 18 | */ |
| 19 | |
Thomas Abraham | 43b169d | 2012-09-07 06:07:19 +0900 | [diff] [blame] | 20 | /* External GPIO and wakeup interrupt related definitions */ |
| 21 | #define EXYNOS_GPIO_ECON_OFFSET 0x700 |
| 22 | #define EXYNOS_GPIO_EMASK_OFFSET 0x900 |
| 23 | #define EXYNOS_GPIO_EPEND_OFFSET 0xA00 |
| 24 | #define EXYNOS_WKUP_ECON_OFFSET 0xE00 |
| 25 | #define EXYNOS_WKUP_EMASK_OFFSET 0xF00 |
| 26 | #define EXYNOS_WKUP_EPEND_OFFSET 0xF40 |
| 27 | #define EXYNOS_SVC_OFFSET 0xB08 |
Tomasz Figa | ee2f573 | 2012-09-21 07:33:48 +0900 | [diff] [blame] | 28 | #define EXYNOS_EINT_FUNC 0xF |
Thomas Abraham | 43b169d | 2012-09-07 06:07:19 +0900 | [diff] [blame] | 29 | |
| 30 | /* helpers to access interrupt service register */ |
| 31 | #define EXYNOS_SVC_GROUP_SHIFT 3 |
| 32 | #define EXYNOS_SVC_GROUP_MASK 0x1f |
| 33 | #define EXYNOS_SVC_NUM_MASK 7 |
| 34 | #define EXYNOS_SVC_GROUP(x) ((x >> EXYNOS_SVC_GROUP_SHIFT) & \ |
| 35 | EXYNOS_SVC_GROUP_MASK) |
| 36 | |
| 37 | /* Exynos specific external interrupt trigger types */ |
| 38 | #define EXYNOS_EINT_LEVEL_LOW 0 |
| 39 | #define EXYNOS_EINT_LEVEL_HIGH 1 |
| 40 | #define EXYNOS_EINT_EDGE_FALLING 2 |
| 41 | #define EXYNOS_EINT_EDGE_RISING 3 |
| 42 | #define EXYNOS_EINT_EDGE_BOTH 4 |
| 43 | #define EXYNOS_EINT_CON_MASK 0xF |
| 44 | #define EXYNOS_EINT_CON_LEN 4 |
| 45 | |
| 46 | #define EXYNOS_EINT_MAX_PER_BANK 8 |
| 47 | #define EXYNOS_EINT_NR_WKUP_EINT |
| 48 | |
Tomasz Figa | 40ba622 | 2012-10-11 10:11:09 +0200 | [diff] [blame] | 49 | #define EXYNOS_PIN_BANK_EINTN(pins, reg, id) \ |
Thomas Abraham | 43b169d | 2012-09-07 06:07:19 +0900 | [diff] [blame] | 50 | { \ |
| 51 | .pctl_offset = reg, \ |
Tomasz Figa | 40ba622 | 2012-10-11 10:11:09 +0200 | [diff] [blame] | 52 | .nr_pins = pins, \ |
Thomas Abraham | 43b169d | 2012-09-07 06:07:19 +0900 | [diff] [blame] | 53 | .func_width = 4, \ |
| 54 | .pud_width = 2, \ |
| 55 | .drv_width = 2, \ |
| 56 | .conpdn_width = 2, \ |
| 57 | .pudpdn_width = 2, \ |
| 58 | .eint_type = EINT_TYPE_NONE, \ |
| 59 | .name = id \ |
| 60 | } |
| 61 | |
Tomasz Figa | 1b6056d | 2012-10-11 10:11:15 +0200 | [diff] [blame^] | 62 | #define EXYNOS_PIN_BANK_EINTG(pins, reg, id, offs) \ |
Thomas Abraham | 43b169d | 2012-09-07 06:07:19 +0900 | [diff] [blame] | 63 | { \ |
| 64 | .pctl_offset = reg, \ |
Tomasz Figa | 40ba622 | 2012-10-11 10:11:09 +0200 | [diff] [blame] | 65 | .nr_pins = pins, \ |
Thomas Abraham | 43b169d | 2012-09-07 06:07:19 +0900 | [diff] [blame] | 66 | .func_width = 4, \ |
| 67 | .pud_width = 2, \ |
| 68 | .drv_width = 2, \ |
| 69 | .conpdn_width = 2, \ |
| 70 | .pudpdn_width = 2, \ |
| 71 | .eint_type = EINT_TYPE_GPIO, \ |
Tomasz Figa | 1b6056d | 2012-10-11 10:11:15 +0200 | [diff] [blame^] | 72 | .eint_offset = offs, \ |
Thomas Abraham | 43b169d | 2012-09-07 06:07:19 +0900 | [diff] [blame] | 73 | .name = id \ |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * struct exynos_geint_data: gpio eint specific data for irq_chip callbacks. |
| 78 | * @bank: pin bank from which this gpio interrupt originates. |
| 79 | * @pin: pin number within the bank. |
| 80 | * @eint_offset: offset to be added to the con/pend/mask register bank base. |
| 81 | */ |
| 82 | struct exynos_geint_data { |
| 83 | struct samsung_pin_bank *bank; |
| 84 | u32 pin; |
| 85 | u32 eint_offset; |
| 86 | }; |
| 87 | |
| 88 | /** |
| 89 | * struct exynos_weint_data: irq specific data for all the wakeup interrupts |
| 90 | * generated by the external wakeup interrupt controller. |
| 91 | * @domain: irq domain representing the external wakeup interrupts |
| 92 | * @irq: interrupt number within the domain. |
| 93 | */ |
| 94 | struct exynos_weint_data { |
| 95 | struct irq_domain *domain; |
| 96 | u32 irq; |
| 97 | }; |