claunia/86Box
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clang-format in src/mem/

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This commit is contained in:
Jasmine Iwanek
2022-09-18 17:18:07 -04:00
parent 3fddf4d488
commit 4685da3fca
8 changed files with 2602 additions and 2828 deletions
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70
src/mem/i2c_eeprom.c
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@@ -24,36 +24,32 @@
#include <86box/86box.h>
#include <86box/i2c.h>
typedef struct {
void *i2c;
uint8_t addr, *data, writable;
void *i2c;
uint8_t addr, *data, writable;
uint32_t addr_mask, addr_register;
uint8_t addr_len, addr_pos;
uint32_t addr_mask, addr_register;
uint8_t addr_len, addr_pos;
} i2c_eeprom_t;
#ifdef ENABLE_I2C_EEPROM_LOG
int i2c_eeprom_do_log = ENABLE_I2C_EEPROM_LOG;
static void
i2c_eeprom_log(const char *fmt, ...)
{
va_list ap;
if (i2c_eeprom_do_log) {
va_start(ap, fmt);
pclog_ex(fmt, ap);
va_end(ap);
va_start(ap, fmt);
pclog_ex(fmt, ap);
va_end(ap);
}
}
#else
#define i2c_eeprom_log(fmt, ...)
# define i2c_eeprom_log(fmt, ...)
#endif
static uint8_t
i2c_eeprom_start(void *bus, uint8_t addr, uint8_t read, void *priv)
{
@@ -62,19 +58,18 @@ i2c_eeprom_start(void *bus, uint8_t addr, uint8_t read, void *priv)
i2c_eeprom_log("I2C EEPROM %s %02X: start()\n", i2c_getbusname(dev->i2c), dev->addr);
if (!read) {
dev->addr_pos = 0;
dev->addr_register = (addr << dev->addr_len) & dev->addr_mask;
dev->addr_pos = 0;
dev->addr_register = (addr << dev->addr_len) & dev->addr_mask;
}
return 1;
}
static uint8_t
i2c_eeprom_read(void *bus, uint8_t addr, void *priv)
{
i2c_eeprom_t *dev = (i2c_eeprom_t *) priv;
uint8_t ret = dev->data[dev->addr_register];
uint8_t ret = dev->data[dev->addr_register];
i2c_eeprom_log("I2C EEPROM %s %02X: read(%06X) = %02X\n", i2c_getbusname(dev->i2c), dev->addr, dev->addr_register, ret);
dev->addr_register++;
@@ -83,33 +78,31 @@ i2c_eeprom_read(void *bus, uint8_t addr, void *priv)
return ret;
}
static uint8_t
i2c_eeprom_write(void *bus, uint8_t addr, uint8_t data, void *priv)
{
i2c_eeprom_t *dev = (i2c_eeprom_t *) priv;
if (dev->addr_pos < dev->addr_len) {
dev->addr_register <<= 8;
dev->addr_register |= data;
dev->addr_register &= (1 << dev->addr_len) - 1;
dev->addr_register |= addr << dev->addr_len;
dev->addr_register &= dev->addr_mask;
i2c_eeprom_log("I2C EEPROM %s %02X: write(address, %06X)\n", i2c_getbusname(dev->i2c), dev->addr, dev->addr_register);
dev->addr_pos += 8;
dev->addr_register <<= 8;
dev->addr_register |= data;
dev->addr_register &= (1 << dev->addr_len) - 1;
dev->addr_register |= addr << dev->addr_len;
dev->addr_register &= dev->addr_mask;
i2c_eeprom_log("I2C EEPROM %s %02X: write(address, %06X)\n", i2c_getbusname(dev->i2c), dev->addr, dev->addr_register);
dev->addr_pos += 8;
} else {
i2c_eeprom_log("I2C EEPROM %s %02X: write(%06X, %02X) = %d\n", i2c_getbusname(dev->i2c), dev->addr, dev->addr_register, data, !!dev->writable);
if (dev->writable)
dev->data[dev->addr_register] = data;
dev->addr_register++;
dev->addr_register &= dev->addr_mask; /* roll-over */
return dev->writable;
i2c_eeprom_log("I2C EEPROM %s %02X: write(%06X, %02X) = %d\n", i2c_getbusname(dev->i2c), dev->addr, dev->addr_register, data, !!dev->writable);
if (dev->writable)
dev->data[dev->addr_register] = data;
dev->addr_register++;
dev->addr_register &= dev->addr_mask; /* roll-over */
return dev->writable;
}
return 1;
}
static void
i2c_eeprom_stop(void *bus, uint8_t addr, void *priv)
{
@@ -120,17 +113,15 @@ i2c_eeprom_stop(void *bus, uint8_t addr, void *priv)
dev->addr_pos = 0;
}
uint8_t
log2i(uint32_t i)
{
uint8_t ret = 0;
while ((i >>= 1))
ret++;
ret++;
return ret;
}
void *
i2c_eeprom_init(void *i2c, uint8_t addr, uint8_t *data, uint32_t size, uint8_t writable)
{
@@ -140,17 +131,17 @@ i2c_eeprom_init(void *i2c, uint8_t addr, uint8_t *data, uint32_t size, uint8_t w
/* Round size up to the next power of 2. */
uint32_t pow_size = 1 << log2i(size);
if (pow_size < size)
size = pow_size << 1;
size = pow_size << 1;
size &= 0x7fffff; /* address space limit of 8 MB = 7 bits from I2C address + 16 bits */
i2c_eeprom_log("I2C EEPROM %s %02X: init(%d, %d)\n", i2c_getbusname(i2c), addr, size, writable);
dev->i2c = i2c;
dev->addr = addr;
dev->data = data;
dev->i2c = i2c;
dev->addr = addr;
dev->data = data;
dev->writable = writable;
dev->addr_len = (size >= 4096) ? 16 : 8; /* use 16-bit addresses on 24C32 and above */
dev->addr_len = (size >= 4096) ? 16 : 8; /* use 16-bit addresses on 24C32 and above */
dev->addr_mask = size - 1;
i2c_sethandler(dev->i2c, dev->addr & ~(dev->addr_mask >> dev->addr_len), (dev->addr_mask >> dev->addr_len) + 1, i2c_eeprom_start, i2c_eeprom_read, i2c_eeprom_write, i2c_eeprom_stop, dev);
@@ -158,7 +149,6 @@ i2c_eeprom_init(void *i2c, uint8_t addr, uint8_t *data, uint32_t size, uint8_t w
return dev;
}
void
i2c_eeprom_close(void *dev_handle)
{