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authorMichael Chan <mchan@broadcom.com>2012-07-16 16:24:02 +0000
committerDavid S. Miller <davem@davemloft.net>2012-07-16 23:10:30 -0700
commitaed93e0bf493535c25c27270001226bb1dd379b2 (patch)
treeac90051c0b2f86ad78b67a6c33e8620f2c845d30 /drivers/net/ethernet/broadcom/tg3.h
parentcf8d55ae08459d6412779559fb1e88252db86c9d (diff)
downloadvexpress-lsk-aed93e0bf493535c25c27270001226bb1dd379b2.tar.gz
tg3: Add hwmon support for temperature
Some tg3 devices have management firmware that can export sensor data. Export temperature sensor reading via hwmon sysfs. [hwmon interface suggested by Ben Hutchings <bhutchings@solarflare.com>] Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/tg3.h')
-rw-r--r--drivers/net/ethernet/broadcom/tg3.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index f8a0d9c0e99..a1b75cd67b9 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -2676,6 +2676,40 @@ struct tg3_hw_stats {
u8 __reserved4[0xb00-0x9c8];
};
+#define TG3_SD_NUM_RECS 3
+#define TG3_OCIR_LEN (sizeof(struct tg3_ocir))
+#define TG3_OCIR_SIG_MAGIC 0x5253434f
+#define TG3_OCIR_FLAG_ACTIVE 0x00000001
+
+#define TG3_TEMP_CAUTION_OFFSET 0xc8
+#define TG3_TEMP_MAX_OFFSET 0xcc
+#define TG3_TEMP_SENSOR_OFFSET 0xd4
+
+
+struct tg3_ocir {
+ u32 signature;
+ u16 version_flags;
+ u16 refresh_int;
+ u32 refresh_tmr;
+ u32 update_tmr;
+ u32 dst_base_addr;
+ u16 src_hdr_offset;
+ u16 src_hdr_length;
+ u16 src_data_offset;
+ u16 src_data_length;
+ u16 dst_hdr_offset;
+ u16 dst_data_offset;
+ u16 dst_reg_upd_offset;
+ u16 dst_sem_offset;
+ u32 reserved1[2];
+ u32 port0_flags;
+ u32 port1_flags;
+ u32 port2_flags;
+ u32 port3_flags;
+ u32 reserved2[1];
+};
+
+
/* 'mapping' is superfluous as the chip does not write into
* the tx/rx post rings so we could just fetch it from there.
* But the cache behavior is better how we are doing it now.
@@ -3211,6 +3245,10 @@ struct tg3 {
const char *fw_needed;
const struct firmware *fw;
u32 fw_len; /* includes BSS */
+
+#if IS_ENABLED(CONFIG_HWMON)
+ struct device *hwmon_dev;
+#endif
};
#endif /* !(_T3_H) */