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emummc: temp delete

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Michael Scire 2022-03-23 09:20:31 -07:00
parent b1a4a0db67
commit e3cb5e74b9
112 changed files with 0 additions and 21966 deletions
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168
emummc/source/soc/gpio.c vendored
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@ -1,168 +0,0 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2019 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#include "../soc/gpio.h"
#include "../soc/t210.h"
#define GPIO_BANK_IDX(port) ((port) >> 2)
#define GPIO_CNF_OFFSET(port) (0x00 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_OE_OFFSET(port) (0x10 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_OUT_OFFSET(port) (0x20 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_IN_OFFSET(port) (0x30 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_INT_STA_OFFSET(port) (0x40 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_INT_ENB_OFFSET(port) (0x50 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_INT_LVL_OFFSET(port) (0x60 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_INT_CLR_OFFSET(port) (0x70 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_CNF_MASKED_OFFSET(port) (0x80 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_OE_MASKED_OFFSET(port) (0x90 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_OUT_MASKED_OFFSET(port) (0xA0 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_INT_STA_MASKED_OFFSET(port) (0xC0 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_INT_ENB_MASKED_OFFSET(port) (0xD0 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_INT_LVL_MASKED_OFFSET(port) (0xE0 + (((port) >> 2) << 8) + (((port) % 4) << 2))
#define GPIO_IRQ_BANK1 32
#define GPIO_IRQ_BANK2 33
#define GPIO_IRQ_BANK3 34
#define GPIO_IRQ_BANK4 35
#define GPIO_IRQ_BANK5 55
#define GPIO_IRQ_BANK6 87
#define GPIO_IRQ_BANK7 89
#define GPIO_IRQ_BANK8 125
static u8 gpio_bank_irq_ids[8] = {
GPIO_IRQ_BANK1, GPIO_IRQ_BANK2, GPIO_IRQ_BANK3, GPIO_IRQ_BANK4,
GPIO_IRQ_BANK5, GPIO_IRQ_BANK6, GPIO_IRQ_BANK7, GPIO_IRQ_BANK8
};
void gpio_config(u32 port, u32 pins, int mode)
{
u32 offset = GPIO_CNF_OFFSET(port);
if (mode)
GPIO(offset) |= pins;
else
GPIO(offset) &= ~pins;
(void)GPIO(offset); // Commit the write.
}
void gpio_output_enable(u32 port, u32 pins, int enable)
{
u32 port_offset = GPIO_OE_OFFSET(port);
if (enable)
GPIO(port_offset) |= pins;
else
GPIO(port_offset) &= ~pins;
(void)GPIO(port_offset); // Commit the write.
}
void gpio_write(u32 port, u32 pins, int high)
{
u32 port_offset = GPIO_OUT_OFFSET(port);
if (high)
GPIO(port_offset) |= pins;
else
GPIO(port_offset) &= ~pins;
(void)GPIO(port_offset); // Commit the write.
}
int gpio_read(u32 port, u32 pins)
{
u32 port_offset = GPIO_IN_OFFSET(port);
return (GPIO(port_offset) & pins) ? 1 : 0;
}
static void _gpio_interrupt_clear(u32 port, u32 pins)
{
u32 port_offset = GPIO_INT_CLR_OFFSET(port);
GPIO(port_offset) |= pins;
(void)GPIO(port_offset); // Commit the write.
}
int gpio_interrupt_status(u32 port, u32 pins)
{
u32 port_offset = GPIO_INT_STA_OFFSET(port);
u32 enabled = GPIO(GPIO_INT_ENB_OFFSET(port)) & pins;
int status = ((GPIO(port_offset) & pins) && enabled) ? 1 : 0;
// Clear the interrupt status.
if (status)
_gpio_interrupt_clear(port, pins);
return status;
}
void gpio_interrupt_enable(u32 port, u32 pins, int enable)
{
u32 port_offset = GPIO_INT_ENB_OFFSET(port);
// Clear any possible stray interrupt.
_gpio_interrupt_clear(port, pins);
if (enable)
GPIO(port_offset) |= pins;
else
GPIO(port_offset) &= ~pins;
(void)GPIO(port_offset); // Commit the write.
}
void gpio_interrupt_level(u32 port, u32 pins, int high, int edge, int delta)
{
u32 port_offset = GPIO_INT_LVL_OFFSET(port);
u32 val = GPIO(port_offset);
if (high)
val |= pins;
else
val &= ~pins;
if (edge)
val |= pins << 8;
else
val &= ~(pins << 8);
if (delta)
val |= pins << 16;
else
val &= ~(pins << 16);
GPIO(port_offset) = val;
(void)GPIO(port_offset); // Commit the write.
// Clear any possible stray interrupt.
_gpio_interrupt_clear(port, pins);
}
u32 gpio_get_bank_irq_id(u32 port)
{
u32 bank_idx = GPIO_BANK_IDX(port);
return gpio_bank_irq_ids[bank_idx];
}