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#include <curses.h>
#include <errno.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <sys/fcntl.h>
#include <unistd.h>
#include "zap.h"
extern int mdio_read(long ioaddr, int phy_id, int mii_reg_num);
extern void mdio_write(int ioaddr, int phy_id, int location, int value);
struct zap_phy {
long ioaddr;
int phy_id;
int devad;
int irq_fd;
char aux_buf[16];
};
static bool phy_read(void *private, u32 addr, u32 *val)
{
struct zap_phy *phy = private;
int v;
v = mdio_read(phy->ioaddr, phy->phy_id | phy->devad, addr);
*val = v >= 0 ? v : 0;
return v >= 0;
}
static void phy_write(void *private, u32 addr, u32 val)
{
struct zap_phy *phy = private;
mdio_write(phy->ioaddr, phy->phy_id | phy->devad, addr, val);
}
static void phy_c45_key(struct zap_private *priv, void *private, int key)
{
struct zap_phy *phy = private;
int val;
switch (key) {
case 'r':
val = mdio_read(phy->ioaddr, phy->phy_id | 7, 0);
if (val < 0)
return;
mdio_write(phy->ioaddr, phy->phy_id | 7, 0, val | 0x200);
break;
case 'p':
zap_prompt_input(priv, 'p', "PHY devad");
break;
}
}
static void phy_c45_print_unit(void *private)
{
struct zap_phy *phy = private;
const char *dev = "";
switch (phy->devad) {
case 1: dev = " PMA/PMD"; break;
case 2: dev = " WIS"; break;
case 3: dev = " PCS"; break;
case 4: dev = " PHYXS"; break;
case 5: dev = " DTEXS"; break;
case 7: dev = " AN"; break;
}
printw("PHY #%u.%-2u%s", (phy->phy_id >> 5) & 31, phy->devad, dev);
clrtoeol();
}
static void phy_c45_update_aux(void *private)
{
struct zap_phy *phy = private;
char new[16];
int len;
if (phy->irq_fd == -1)
return;
lseek(phy->irq_fd, 0, SEEK_SET);
len = read(phy->irq_fd, new, sizeof(new));
if (len < 0 || len >= sizeof(new))
return;
len -= 1;
if (!memcmp(phy->aux_buf, new, len))
return;
memcpy(phy->aux_buf, new, len);
mvprintw(1, 41, "IRQ ");
mvaddnstr(1, 45, new, len);
clrtoeol();
}
static void phy_c45_input(void *private, char mode, const char *buf)
{
struct zap_phy *phy = private;
unsigned long unit;
errno = 0;
unit = strtoul(buf, NULL, 0);
if (unit == ULONG_MAX && errno == ERANGE)
return;
if (unit > 31)
return;
phy->devad = unit;
}
static const struct zap phy_c45_zap = {
.val_width = 4,
.max_addr = 0xffff,
.read = phy_read,
.write = phy_write,
.key = phy_c45_key,
.print_header = phy_c45_print_unit,
.update_aux = phy_c45_update_aux,
.input = phy_c45_input,
};
static void phy_print_c22_unit(void *private)
{
struct zap_phy *phy = private;
printw("PHY #%u", phy->phy_id);
}
static const struct zap phy_c22_zap = {
.val_width = 4,
.max_addr = 0x1f,
.read = phy_read,
.write = phy_write,
.print_header = phy_print_c22_unit,
};
void phy_zap(long ioaddr, int phy_id, unsigned long start)
{
const struct zap *z;
struct zap_phy phy = {
.ioaddr = ioaddr,
.irq_fd = -1,
};
if (phy_id & 0x8000) {
phy.phy_id = phy_id & ~31;
phy.devad = phy_id & 31;
if (phy_id == 0x8000)
phy.irq_fd = open("/sys/class/gpio/gpio82/value", O_RDONLY);
else if (phy_id == 0x8000 + 8 * 32)
phy.irq_fd = open("/sys/class/gpio/gpio81/value", O_RDONLY);
z = &phy_c45_zap;
} else {
phy.phy_id = phy_id;
phy.devad = 0;
z = &phy_c22_zap;
}
if (start >= z->max_addr)
start = z->max_addr;
zap(z, start, &phy);
}
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