/* * (C) Copyright 2009 Samsung Electronics * Minkyu Kang * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #ifndef __ASM_ARCH_GPIO_H #define __ASM_ARCH_GPIO_H #ifndef __ASSEMBLY__ struct s5p_gpio_bank { unsigned int con; unsigned int dat; unsigned int pull; unsigned int drv; unsigned int pdn_con; unsigned int pdn_pull; unsigned char res1[8]; }; struct s5pc100_gpio { struct s5p_gpio_bank a0; struct s5p_gpio_bank a1; struct s5p_gpio_bank b; struct s5p_gpio_bank c; struct s5p_gpio_bank d; struct s5p_gpio_bank e0; struct s5p_gpio_bank e1; struct s5p_gpio_bank f0; struct s5p_gpio_bank f1; struct s5p_gpio_bank f2; struct s5p_gpio_bank f3; struct s5p_gpio_bank g0; struct s5p_gpio_bank g1; struct s5p_gpio_bank g2; struct s5p_gpio_bank g3; struct s5p_gpio_bank i; struct s5p_gpio_bank j0; struct s5p_gpio_bank j1; struct s5p_gpio_bank j2; struct s5p_gpio_bank j3; struct s5p_gpio_bank j4; struct s5p_gpio_bank k0; struct s5p_gpio_bank k1; struct s5p_gpio_bank k2; struct s5p_gpio_bank k3; struct s5p_gpio_bank l0; struct s5p_gpio_bank l1; struct s5p_gpio_bank l2; struct s5p_gpio_bank l3; struct s5p_gpio_bank l4; struct s5p_gpio_bank h0; struct s5p_gpio_bank h1; struct s5p_gpio_bank h2; struct s5p_gpio_bank h3; }; struct s5pc110_gpio { struct s5p_gpio_bank a0; struct s5p_gpio_bank a1; struct s5p_gpio_bank b; struct s5p_gpio_bank c0; struct s5p_gpio_bank c1; struct s5p_gpio_bank d0; struct s5p_gpio_bank d1; struct s5p_gpio_bank e0; struct s5p_gpio_bank e1; struct s5p_gpio_bank f0; struct s5p_gpio_bank f1; struct s5p_gpio_bank f2; struct s5p_gpio_bank f3; struct s5p_gpio_bank g0; struct s5p_gpio_bank g1; struct s5p_gpio_bank g2; struct s5p_gpio_bank g3; struct s5p_gpio_bank i; struct s5p_gpio_bank j0; struct s5p_gpio_bank j1; struct s5p_gpio_bank j2; struct s5p_gpio_bank j3; struct s5p_gpio_bank j4; struct s5p_gpio_bank mp0_1; struct s5p_gpio_bank mp0_2; struct s5p_gpio_bank mp0_3; struct s5p_gpio_bank mp0_4; struct s5p_gpio_bank mp0_5; struct s5p_gpio_bank mp0_6; struct s5p_gpio_bank mp0_7; struct s5p_gpio_bank mp1_0; struct s5p_gpio_bank mp1_1; struct s5p_gpio_bank mp1_2; struct s5p_gpio_bank mp1_3; struct s5p_gpio_bank mp1_4; struct s5p_gpio_bank mp1_5; struct s5p_gpio_bank mp1_6; struct s5p_gpio_bank mp1_7; struct s5p_gpio_bank mp1_8; struct s5p_gpio_bank mp2_0; struct s5p_gpio_bank mp2_1; struct s5p_gpio_bank mp2_2; struct s5p_gpio_bank mp2_3; struct s5p_gpio_bank mp2_4; struct s5p_gpio_bank mp2_5; struct s5p_gpio_bank mp2_6; struct s5p_gpio_bank mp2_7; struct s5p_gpio_bank mp2_8; struct s5p_gpio_bank res1[48]; struct s5p_gpio_bank h0; struct s5p_gpio_bank h1; struct s5p_gpio_bank h2; struct s5p_gpio_bank h3; }; /* functions */ void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg); void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en); void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio); void s5p_gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en); unsigned int s5p_gpio_get_value(struct s5p_gpio_bank *bank, int gpio); void s5p_gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode); void s5p_gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode); void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode); /* GPIO pins per bank */ #define GPIO_PER_BANK 8 static inline unsigned int s5p_gpio_base(int nr) { return S5PC110_GPIO_BASE; } static inline unsigned int s5p_gpio_part_max(int nr) { return 0; } #define s5pc110_gpio_get_nr(bank, pin) \ ((((((unsigned int)&(((struct s5pc110_gpio *)S5PC110_GPIO_BASE)->bank))\ - S5PC110_GPIO_BASE) / sizeof(struct s5p_gpio_bank)) \ * GPIO_PER_BANK) + pin) #endif /* Pin configurations */ #define GPIO_INPUT 0x0 #define GPIO_OUTPUT 0x1 #define GPIO_IRQ 0xf #define GPIO_FUNC(x) (x) /* Pull mode */ #define GPIO_PULL_NONE 0x0 #define GPIO_PULL_DOWN 0x1 #define GPIO_PULL_UP 0x2 /* Drive Strength level */ #define GPIO_DRV_1X 0x0 #define GPIO_DRV_3X 0x1 #define GPIO_DRV_2X 0x2 #define GPIO_DRV_4X 0x3 #define GPIO_DRV_FAST 0x0 #define GPIO_DRV_SLOW 0x1 #endif