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Diffstat (limited to 'arch/arm/mach-s5p64x0/gpiolib.c')
-rw-r--r--arch/arm/mach-s5p64x0/gpiolib.c508
1 files changed, 0 insertions, 508 deletions
diff --git a/arch/arm/mach-s5p64x0/gpiolib.c b/arch/arm/mach-s5p64x0/gpiolib.c
deleted file mode 100644
index 700dac6..0000000
--- a/arch/arm/mach-s5p64x0/gpiolib.c
+++ /dev/null
@@ -1,508 +0,0 @@
-/* linux/arch/arm/mach-s5p64x0/gpiolib.c
- *
- * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * S5P64X0 - GPIOlib support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/kernel.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <linux/gpio.h>
-
-#include <mach/map.h>
-#include <mach/regs-gpio.h>
-#include <mach/regs-clock.h>
-
-#include <plat/cpu.h>
-#include <plat/gpio-core.h>
-#include <plat/gpio-cfg.h>
-#include <plat/gpio-cfg-helpers.h>
-
-/*
- * S5P6440 GPIO bank summary:
- *
- * Bank GPIOs Style SlpCon ExtInt Group
- * A 6 4Bit Yes 1
- * B 7 4Bit Yes 1
- * C 8 4Bit Yes 2
- * F 2 2Bit Yes 4 [1]
- * G 7 4Bit Yes 5
- * H 10 4Bit[2] Yes 6
- * I 16 2Bit Yes None
- * J 12 2Bit Yes None
- * N 16 2Bit No IRQ_EINT
- * P 8 2Bit Yes 8
- * R 15 4Bit[2] Yes 8
- *
- * S5P6450 GPIO bank summary:
- *
- * Bank GPIOs Style SlpCon ExtInt Group
- * A 6 4Bit Yes 1
- * B 7 4Bit Yes 1
- * C 8 4Bit Yes 2
- * D 8 4Bit Yes None
- * F 2 2Bit Yes None
- * G 14 4Bit[2] Yes 5
- * H 10 4Bit[2] Yes 6
- * I 16 2Bit Yes None
- * J 12 2Bit Yes None
- * K 5 4Bit Yes None
- * N 16 2Bit No IRQ_EINT
- * P 11 2Bit Yes 8
- * Q 14 2Bit Yes None
- * R 15 4Bit[2] Yes None
- * S 8 2Bit Yes None
- *
- * [1] BANKF pins 14,15 do not form part of the external interrupt sources
- * [2] BANK has two control registers, GPxCON0 and GPxCON1
- */
-
-static int s5p64x0_gpiolib_rbank_4bit2_input(struct gpio_chip *chip,
- unsigned int offset)
-{
- struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
- void __iomem *base = ourchip->base;
- void __iomem *regcon = base;
- unsigned long con;
- unsigned long flags;
-
- switch (offset) {
- case 6:
- offset += 1;
- case 0:
- case 1:
- case 2:
- case 3:
- case 4:
- case 5:
- regcon -= 4;
- break;
- default:
- offset -= 7;
- break;
- }
-
- s3c_gpio_lock(ourchip, flags);
-
- con = __raw_readl(regcon);
- con &= ~(0xf << con_4bit_shift(offset));
- __raw_writel(con, regcon);
-
- s3c_gpio_unlock(ourchip, flags);
-
- return 0;
-}
-
-static int s5p64x0_gpiolib_rbank_4bit2_output(struct gpio_chip *chip,
- unsigned int offset, int value)
-{
- struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
- void __iomem *base = ourchip->base;
- void __iomem *regcon = base;
- unsigned long con;
- unsigned long dat;
- unsigned long flags;
- unsigned con_offset = offset;
-
- switch (con_offset) {
- case 6:
- con_offset += 1;
- case 0:
- case 1:
- case 2:
- case 3:
- case 4:
- case 5:
- regcon -= 4;
- break;
- default:
- con_offset -= 7;
- break;
- }
-
- s3c_gpio_lock(ourchip, flags);
-
- con = __raw_readl(regcon);
- con &= ~(0xf << con_4bit_shift(con_offset));
- con |= 0x1 << con_4bit_shift(con_offset);
-
- dat = __raw_readl(base + GPIODAT_OFF);
- if (value)
- dat |= 1 << offset;
- else
- dat &= ~(1 << offset);
-
- __raw_writel(con, regcon);
- __raw_writel(dat, base + GPIODAT_OFF);
-
- s3c_gpio_unlock(ourchip, flags);
-
- return 0;
-}
-
-int s5p64x0_gpio_setcfg_4bit_rbank(struct s3c_gpio_chip *chip,
- unsigned int off, unsigned int cfg)
-{
- void __iomem *reg = chip->base;
- unsigned int shift;
- u32 con;
-
- switch (off) {
- case 0:
- case 1:
- case 2:
- case 3:
- case 4:
- case 5:
- shift = (off & 7) * 4;
- reg -= 4;
- break;
- case 6:
- shift = ((off + 1) & 7) * 4;
- reg -= 4;
- default:
- shift = ((off + 1) & 7) * 4;
- break;
- }
-
- if (s3c_gpio_is_cfg_special(cfg)) {
- cfg &= 0xf;
- cfg <<= shift;
- }
-
- con = __raw_readl(reg);
- con &= ~(0xf << shift);
- con |= cfg;
- __raw_writel(con, reg);
-
- return 0;
-}
-
-static struct s3c_gpio_cfg s5p64x0_gpio_cfgs[] = {
- {
- .cfg_eint = 0,
- }, {
- .cfg_eint = 7,
- }, {
- .cfg_eint = 3,
- .set_config = s5p64x0_gpio_setcfg_4bit_rbank,
- }, {
- .cfg_eint = 0,
- .set_config = s3c_gpio_setcfg_s3c24xx,
- .get_config = s3c_gpio_getcfg_s3c24xx,
- }, {
- .cfg_eint = 2,
- .set_config = s3c_gpio_setcfg_s3c24xx,
- .get_config = s3c_gpio_getcfg_s3c24xx,
- }, {
- .cfg_eint = 3,
- .set_config = s3c_gpio_setcfg_s3c24xx,
- .get_config = s3c_gpio_getcfg_s3c24xx,
- },
-};
-
-static struct s3c_gpio_chip s5p6440_gpio_4bit[] = {
- {
- .base = S5P64X0_GPA_BASE,
- .config = &s5p64x0_gpio_cfgs[1],
- .chip = {
- .base = S5P6440_GPA(0),
- .ngpio = S5P6440_GPIO_A_NR,
- .label = "GPA",
- },
- }, {
- .base = S5P64X0_GPB_BASE,
- .config = &s5p64x0_gpio_cfgs[1],
- .chip = {
- .base = S5P6440_GPB(0),
- .ngpio = S5P6440_GPIO_B_NR,
- .label = "GPB",
- },
- }, {
- .base = S5P64X0_GPC_BASE,
- .config = &s5p64x0_gpio_cfgs[1],
- .chip = {
- .base = S5P6440_GPC(0),
- .ngpio = S5P6440_GPIO_C_NR,
- .label = "GPC",
- },
- }, {
- .base = S5P64X0_GPG_BASE,
- .config = &s5p64x0_gpio_cfgs[1],
- .chip = {
- .base = S5P6440_GPG(0),
- .ngpio = S5P6440_GPIO_G_NR,
- .label = "GPG",
- },
- },
-};
-
-static struct s3c_gpio_chip s5p6440_gpio_4bit2[] = {
- {
- .base = S5P64X0_GPH_BASE + 0x4,
- .config = &s5p64x0_gpio_cfgs[1],
- .chip = {
- .base = S5P6440_GPH(0),
- .ngpio = S5P6440_GPIO_H_NR,
- .label = "GPH",
- },
- },
-};
-
-static struct s3c_gpio_chip s5p6440_gpio_rbank_4bit2[] = {
- {
- .base = S5P64X0_GPR_BASE + 0x4,
- .config = &s5p64x0_gpio_cfgs[2],
- .chip = {
- .base = S5P6440_GPR(0),
- .ngpio = S5P6440_GPIO_R_NR,
- .label = "GPR",
- },
- },
-};
-
-static struct s3c_gpio_chip s5p6440_gpio_2bit[] = {
- {
- .base = S5P64X0_GPF_BASE,
- .config = &s5p64x0_gpio_cfgs[5],
- .chip = {
- .base = S5P6440_GPF(0),
- .ngpio = S5P6440_GPIO_F_NR,
- .label = "GPF",
- },
- }, {
- .base = S5P64X0_GPI_BASE,
- .config = &s5p64x0_gpio_cfgs[3],
- .chip = {
- .base = S5P6440_GPI(0),
- .ngpio = S5P6440_GPIO_I_NR,
- .label = "GPI",
- },
- }, {
- .base = S5P64X0_GPJ_BASE,
- .config = &s5p64x0_gpio_cfgs[3],
- .chip = {
- .base = S5P6440_GPJ(0),
- .ngpio = S5P6440_GPIO_J_NR,
- .label = "GPJ",
- },
- }, {
- .base = S5P64X0_GPN_BASE,
- .config = &s5p64x0_gpio_cfgs[4],
- .chip = {
- .base = S5P6440_GPN(0),
- .ngpio = S5P6440_GPIO_N_NR,
- .label = "GPN",
- },
- }, {
- .base = S5P64X0_GPP_BASE,
- .config = &s5p64x0_gpio_cfgs[5],
- .chip = {
- .base = S5P6440_GPP(0),
- .ngpio = S5P6440_GPIO_P_NR,
- .label = "GPP",
- },
- },
-};
-
-static struct s3c_gpio_chip s5p6450_gpio_4bit[] = {
- {
- .base = S5P64X0_GPA_BASE,
- .config = &s5p64x0_gpio_cfgs[1],
- .chip = {
- .base = S5P6450_GPA(0),
- .ngpio = S5P6450_GPIO_A_NR,
- .label = "GPA",
- },
- }, {
- .base = S5P64X0_GPB_BASE,
- .config = &s5p64x0_gpio_cfgs[1],
- .chip = {
- .base = S5P6450_GPB(0),
- .ngpio = S5P6450_GPIO_B_NR,
- .label = "GPB",
- },
- }, {
- .base = S5P64X0_GPC_BASE,
- .config = &s5p64x0_gpio_cfgs[1],
- .chip = {
- .base = S5P6450_GPC(0),
- .ngpio = S5P6450_GPIO_C_NR,
- .label = "GPC",
- },
- }, {
- .base = S5P6450_GPD_BASE,
- .config = &s5p64x0_gpio_cfgs[1],
- .chip = {
- .base = S5P6450_GPD(0),
- .ngpio = S5P6450_GPIO_D_NR,
- .label = "GPD",
- },
- }, {
- .base = S5P6450_GPK_BASE,
- .config = &s5p64x0_gpio_cfgs[1],
- .chip = {
- .base = S5P6450_GPK(0),
- .ngpio = S5P6450_GPIO_K_NR,
- .label = "GPK",
- },
- },
-};
-
-static struct s3c_gpio_chip s5p6450_gpio_4bit2[] = {
- {
- .base = S5P64X0_GPG_BASE + 0x4,
- .config = &s5p64x0_gpio_cfgs[1],
- .chip = {
- .base = S5P6450_GPG(0),
- .ngpio = S5P6450_GPIO_G_NR,
- .label = "GPG",
- },
- }, {
- .base = S5P64X0_GPH_BASE + 0x4,
- .config = &s5p64x0_gpio_cfgs[1],
- .chip = {
- .base = S5P6450_GPH(0),
- .ngpio = S5P6450_GPIO_H_NR,
- .label = "GPH",
- },
- },
-};
-
-static struct s3c_gpio_chip s5p6450_gpio_rbank_4bit2[] = {
- {
- .base = S5P64X0_GPR_BASE + 0x4,
- .config = &s5p64x0_gpio_cfgs[2],
- .chip = {
- .base = S5P6450_GPR(0),
- .ngpio = S5P6450_GPIO_R_NR,
- .label = "GPR",
- },
- },
-};
-
-static struct s3c_gpio_chip s5p6450_gpio_2bit[] = {
- {
- .base = S5P64X0_GPF_BASE,
- .config = &s5p64x0_gpio_cfgs[5],
- .chip = {
- .base = S5P6450_GPF(0),
- .ngpio = S5P6450_GPIO_F_NR,
- .label = "GPF",
- },
- }, {
- .base = S5P64X0_GPI_BASE,
- .config = &s5p64x0_gpio_cfgs[3],
- .chip = {
- .base = S5P6450_GPI(0),
- .ngpio = S5P6450_GPIO_I_NR,
- .label = "GPI",
- },
- }, {
- .base = S5P64X0_GPJ_BASE,
- .config = &s5p64x0_gpio_cfgs[3],
- .chip = {
- .base = S5P6450_GPJ(0),
- .ngpio = S5P6450_GPIO_J_NR,
- .label = "GPJ",
- },
- }, {
- .base = S5P64X0_GPN_BASE,
- .config = &s5p64x0_gpio_cfgs[4],
- .chip = {
- .base = S5P6450_GPN(0),
- .ngpio = S5P6450_GPIO_N_NR,
- .label = "GPN",
- },
- }, {
- .base = S5P64X0_GPP_BASE,
- .config = &s5p64x0_gpio_cfgs[5],
- .chip = {
- .base = S5P6450_GPP(0),
- .ngpio = S5P6450_GPIO_P_NR,
- .label = "GPP",
- },
- }, {
- .base = S5P6450_GPQ_BASE,
- .config = &s5p64x0_gpio_cfgs[4],
- .chip = {
- .base = S5P6450_GPQ(0),
- .ngpio = S5P6450_GPIO_Q_NR,
- .label = "GPQ",
- },
- }, {
- .base = S5P6450_GPS_BASE,
- .config = &s5p64x0_gpio_cfgs[5],
- .chip = {
- .base = S5P6450_GPS(0),
- .ngpio = S5P6450_GPIO_S_NR,
- .label = "GPS",
- },
- },
-};
-
-void __init s5p64x0_gpiolib_set_cfg(struct s3c_gpio_cfg *chipcfg, int nr_chips)
-{
- for (; nr_chips > 0; nr_chips--, chipcfg++) {
- if (!chipcfg->set_config)
- chipcfg->set_config = s3c_gpio_setcfg_s3c64xx_4bit;
- if (!chipcfg->get_config)
- chipcfg->get_config = s3c_gpio_getcfg_s3c64xx_4bit;
- if (!chipcfg->set_pull)
- chipcfg->set_pull = s3c_gpio_setpull_updown;
- if (!chipcfg->get_pull)
- chipcfg->get_pull = s3c_gpio_getpull_updown;
- }
-}
-
-static void __init s5p64x0_gpio_add_rbank_4bit2(struct s3c_gpio_chip *chip,
- int nr_chips)
-{
- for (; nr_chips > 0; nr_chips--, chip++) {
- chip->chip.direction_input = s5p64x0_gpiolib_rbank_4bit2_input;
- chip->chip.direction_output =
- s5p64x0_gpiolib_rbank_4bit2_output;
- s3c_gpiolib_add(chip);
- }
-}
-
-static int __init s5p64x0_gpiolib_init(void)
-{
- s5p64x0_gpiolib_set_cfg(s5p64x0_gpio_cfgs,
- ARRAY_SIZE(s5p64x0_gpio_cfgs));
-
- if (soc_is_s5p6450()) {
- samsung_gpiolib_add_2bit_chips(s5p6450_gpio_2bit,
- ARRAY_SIZE(s5p6450_gpio_2bit));
-
- samsung_gpiolib_add_4bit_chips(s5p6450_gpio_4bit,
- ARRAY_SIZE(s5p6450_gpio_4bit));
-
- samsung_gpiolib_add_4bit2_chips(s5p6450_gpio_4bit2,
- ARRAY_SIZE(s5p6450_gpio_4bit2));
-
- s5p64x0_gpio_add_rbank_4bit2(s5p6450_gpio_rbank_4bit2,
- ARRAY_SIZE(s5p6450_gpio_rbank_4bit2));
- } else {
- samsung_gpiolib_add_2bit_chips(s5p6440_gpio_2bit,
- ARRAY_SIZE(s5p6440_gpio_2bit));
-
- samsung_gpiolib_add_4bit_chips(s5p6440_gpio_4bit,
- ARRAY_SIZE(s5p6440_gpio_4bit));
-
- samsung_gpiolib_add_4bit2_chips(s5p6440_gpio_4bit2,
- ARRAY_SIZE(s5p6440_gpio_4bit2));
-
- s5p64x0_gpio_add_rbank_4bit2(s5p6440_gpio_rbank_4bit2,
- ARRAY_SIZE(s5p6440_gpio_rbank_4bit2));
- }
-
- return 0;
-}
-core_initcall(s5p64x0_gpiolib_init);
generated by cgit v1.1 at 2024-12-26 13:39:39 +0000