sync kmod-switch with whiterussian

[openwrt/staging/dedeckeh.git] / openwrt / target / linux / package / switch / src / switch-adm.c

diff --git a/openwrt/target/linux/package/switch/src/switch-adm.c b/openwrt/target/linux/package/switch/src/switch-adm.c
index 6ad98447b3244f70a649ac1fda3c621d205c2045..2ce87e777fee15d3408a4516982110207ae51537 100644 (file)
--- a/openwrt/target/linux/package/switch/src/switch-adm.c
+++ b/openwrt/target/linux/package/switch/src/switch-adm.c
@@ -32,11 +32,12 @@
 #include "gpio.h"
 
 #define DRIVER_NAME "adm6996"
+#define DRIVER_VERSION "0.01"
 
-static int eecs = 2;
-static int eesk = 3;
-static int eedi = 5;
-static int eerc = 6;
+static int eecs = 0;
+static int eesk = 0;
+static int eedi = 0;
+static int eerc = 0;
 static int force = 0;
 
 MODULE_AUTHOR("Felix Fietkau <openwrt@nbd.name>");
@@ -57,8 +58,35 @@ MODULE_PARM(force, "i");
 #define adm_write16(cs, w) { __u16 val = hton16(w); adm_write(cs, (__u8 *)&val, sizeof(val)*8); }
 #define adm_write32(cs, i) { uint32 val = hton32(i); adm_write(cs, (__u8 *)&val, sizeof(val)*8); }
 
+#define atoi(str) simple_strtoul(((str != NULL) ? str : ""), NULL, 0)
 
-extern int getintvar(char **vars, char *name);
+#if defined(BCMGPIO2) || defined(BCMGPIO)
+extern char *nvram_get(char *name);
+
+/* Return gpio pin number assigned to the named pin */
+/*
+* Variable should be in format:
+*
+*      gpio<N>=pin_name
+*
+* 'def_pin' is returned if there is no such variable found.
+*/
+static unsigned int getgpiopin(char *pin_name, unsigned int def_pin)
+{
+       char name[] = "gpioXXXX";
+       char *val;
+       unsigned int pin;
+
+       /* Go thru all possibilities till a match in pin name */
+       for (pin = 0; pin < 16; pin ++) {
+               sprintf(name, "gpio%d", pin);
+               val = nvram_get(name);
+               if (val && !strcmp(val, pin_name))
+                       return pin;
+       }
+       return def_pin;
+}
+#endif
 
 
 static void adm_write(int cs, char *buf, unsigned int bits)
@@ -253,7 +281,16 @@ static int handle_vlan_port_read(void *driver, char *buf, int nr)
        for (i = 0; i <= 5; i++) {
                if (ports & vlan_ports[i]) {
                        c = adm_rreg(0, port_conf[i]);
-                       len += sprintf(buf + len, (c & (1 << 4) ? "%dt\t" : (i == 5 ? "%du\t" : "%d\t")), i);
+                       
+                       len += sprintf(buf + len, "%d", i);
+                       if (c & (1 << 4)) {
+                               buf[len++] = 't';
+                               if (((c & (0xf << 10)) >> 10) == nr)
+                                       buf[len++] = '*';
+                       } else if (i == 5)
+                               buf[len++] = 'u';
+
+                       buf[len++] = '\t';
                }
        }
        len += sprintf(buf + len, "\n");
@@ -384,23 +421,24 @@ static int handle_reset(void *driver, char *buf, int nr)
         * reset logic therefore we must explicitly perform the
         * sequence in software.
         */
-       /* Keep RC high for at least 20ms */
-       adm_enout(eerc, eerc);
-       for (i = 0; i < 20; i ++)
-               udelay(1000);
-       /* Keep RC low for at least 100ms */
-       adm_enout(eerc, 0);
-       for (i = 0; i < 100; i++)
-               udelay(1000);
-       /* Set default configuration */
-       adm_enout((__u8)(eesk | eedi), eesk);
-       /* Keep RC high for at least 30ms */
-       adm_enout(eerc, eerc);
-       for (i = 0; i < 30; i++)
-               udelay(1000);
-       /* Leave RC high and disable GPIO outputs */
-       adm_disout((__u8)(eecs | eesk | eedi));
-
+       if (eerc) {
+               /* Keep RC high for at least 20ms */
+               adm_enout(eerc, eerc);
+               for (i = 0; i < 20; i ++)
+                       udelay(1000);
+               /* Keep RC low for at least 100ms */
+               adm_enout(eerc, 0);
+               for (i = 0; i < 100; i++)
+                       udelay(1000);
+               /* Set default configuration */
+               adm_enout((__u8)(eesk | eedi), eesk);
+               /* Keep RC high for at least 30ms */
+               adm_enout(eerc, eerc);
+               for (i = 0; i < 30; i++)
+                       udelay(1000);
+               /* Leave RC high and disable GPIO outputs */
+               adm_disout((__u8)(eecs | eesk | eedi));
+       }
        /* set up initial configuration for ports */
        for (i = 0; i <= 5; i++) {
                int cfg = 0x8000 | /* Auto MDIX */
@@ -442,25 +480,39 @@ static int detect_adm()
        int ret = 0;
 
 #if defined(BCMGPIO2) || defined(BCMGPIO)
-#ifdef LINUX_2_4
-       int boardflags = getintvar(NULL, "boardflags");
-#else
-       extern int boardflags;
-#endif
-       if ((boardflags & 0x80) || force)
+       int boardflags = atoi(nvram_get("boardflags"));
+
+       if ((boardflags & 0x80) || force) {
+               ret = 1;
+
+               eecs = getgpiopin("adm_eecs", 2);
+               eesk = getgpiopin("adm_eesk", 3);
+               eedi = getgpiopin("adm_eedi", 4);
+               eerc = getgpiopin("adm_rc", 0);
+
+       } else if ((strcmp(nvram_get("boardtype"), "bcm94710dev") == 0) &&
+                       (strncmp(nvram_get("boardnum"), "42", 2) == 0)) {
+               /* WRT54G v1.1 hack */
+               eecs = 2;
+               eesk = 3;
+               eedi = 5;
+               eerc = 6;
+
                ret = 1;
-       else 
+       } else
                printk("BFL_ENETADM not set in boardflags. Use force=1 to ignore.\n");
+               
+       if (eecs)
+               eecs = (1 << eecs);
+       if (eesk)
+               eesk = (1 << eesk);
+       if (eedi)
+               eedi = (1 << eedi);
+       if (eerc)
+               eerc = (1 << eerc);
 #else
        ret = 1;
 #endif
-       if (ret == 1) {
-               int i = adm_rreg(0, 0);
-               if ((i == 0) || (i == 0xffff)) {
-                       printk("No ADM6996 chip detected.\n");
-                       ret = 0;
-               }
-       }
 
        return ret;
 }
@@ -475,7 +527,7 @@ static int __init adm_init()
                {NULL, NULL, NULL}
        };
        switch_config port[] = {
-               {"enabled", handle_port_enable_read, handle_port_enable_write},
+               {"enable", handle_port_enable_read, handle_port_enable_write},
                {"media", handle_port_media_read, handle_port_media_write},
                {NULL, NULL, NULL}
        };
@@ -485,6 +537,7 @@ static int __init adm_init()
        };
        switch_driver driver = {
                name: DRIVER_NAME,
+               version: DRIVER_VERSION,
                interface: "eth0",
                ports: 6,
                cpuport: 5,
@@ -494,10 +547,6 @@ static int __init adm_init()
                vlan_handlers: vlan,
        };
 
-       eecs = (1 << eecs);
-       eesk = (1 << eesk);
-       eedi = (1 << eedi);
-
        if (!detect_adm())
                return -ENODEV;