All of the rtlwifi family of drivers have a similar routine that acquires
the hardware info from efuse and initializes a number of variables in the
driver's private area. A common routine is created for all drivers to use.
Reported-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
---
V2 - Fixes bug found after V1 was submitted.
V3 - No changes.
This patch requires ("rtlwifi: Add missing newlines to RT_TRACE calls")
submitted by Joe Perches.
---
drivers/net/wireless/realtek/rtlwifi/efuse.c | 78 ++++++++++++++++++++++++++++
drivers/net/wireless/realtek/rtlwifi/efuse.h | 2 +
2 files changed, 80 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtlwifi/efuse.c b/drivers/net/wireless/realtek/rtlwifi/efuse.c
index 0b4082c..7becfef 100644
--- a/drivers/net/wireless/realtek/rtlwifi/efuse.c
+++ b/drivers/net/wireless/realtek/rtlwifi/efuse.c
@@ -24,6 +24,7 @@
*****************************************************************************/
#include "wifi.h"
#include "efuse.h"
+#include "pci.h"
#include <linux/export.h>
static const u8 MAX_PGPKT_SIZE = 9;
@@ -1243,3 +1244,80 @@ static u8 efuse_calculate_word_cnts(u8 word_en)
return word_cnts;
}
+int rtl_get_hwinfo(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv,
+ int max_size, u8 *hwinfo, int *params)
+{
+ struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+ struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
+ struct device *dev = &rtlpcipriv->dev.pdev->dev;
+ u16 eeprom_id;
+ u16 i, usvalue;
+
+ switch (rtlefuse->epromtype) {
+ case EEPROM_BOOT_EFUSE:
+ rtl_efuse_shadow_map_update(hw);
+ break;
+
+ case EEPROM_93C46:
+ RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+ "RTL8XXX did not boot from eeprom, check it !!\n");
+ return 1;
+
+ default:
+ dev_warn(dev, "no efuse data\n");
+ return 1;
+ }
+
+ memcpy(hwinfo, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0], max_size);
+
+ RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "MAP",
+ hwinfo, max_size);
+
+ eeprom_id = *((u16 *)&hwinfo[0]);
+ if (eeprom_id != params[0]) {
+ RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
+ "EEPROM ID(%#x) is invalid!!\n", eeprom_id);
+ rtlefuse->autoload_failflag = true;
+ } else {
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload OK\n");
+ rtlefuse->autoload_failflag = false;
+ }
+
+ if (rtlefuse->autoload_failflag)
+ return 1;
+
+ rtlefuse->eeprom_vid = *(u16 *)&hwinfo[params[1]];
+ rtlefuse->eeprom_did = *(u16 *)&hwinfo[params[2]];
+ rtlefuse->eeprom_svid = *(u16 *)&hwinfo[params[3]];
+ rtlefuse->eeprom_smid = *(u16 *)&hwinfo[params[4]];
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
+ "EEPROMId = 0x%4x\n", eeprom_id);
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
+ "EEPROM VID = 0x%4x\n", rtlefuse->eeprom_vid);
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
+ "EEPROM DID = 0x%4x\n", rtlefuse->eeprom_did);
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
+ "EEPROM SVID = 0x%4x\n", rtlefuse->eeprom_svid);
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
+ "EEPROM SMID = 0x%4x\n", rtlefuse->eeprom_smid);
+
+ for (i = 0; i < 6; i += 2) {
+ usvalue = *(u16 *)&hwinfo[params[5] + i];
+ *((u16 *)(&rtlefuse->dev_addr[i])) = usvalue;
+ }
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%pM\n", rtlefuse->dev_addr);
+
+ rtlefuse->eeprom_channelplan = *&hwinfo[params[6]];
+ rtlefuse->eeprom_version = *(u16 *)&hwinfo[params[7]];
+ rtlefuse->txpwr_fromeprom = true;
+ rtlefuse->eeprom_oemid = *&hwinfo[params[8]];
+
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
+ "EEPROM Customer ID: 0x%2x\n", rtlefuse->eeprom_oemid);
+
+ /* set channel plan to world wide 13 */
+ rtlefuse->channel_plan = params[9];
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rtl_get_hwinfo);
diff --git a/drivers/net/wireless/realtek/rtlwifi/efuse.h b/drivers/net/wireless/realtek/rtlwifi/efuse.h
index be02e78..51aa121 100644
--- a/drivers/net/wireless/realtek/rtlwifi/efuse.h
+++ b/drivers/net/wireless/realtek/rtlwifi/efuse.h
@@ -109,5 +109,7 @@ bool efuse_shadow_update_chk(struct ieee80211_hw *hw);
void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw);
void efuse_force_write_vendor_Id(struct ieee80211_hw *hw);
void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx);
+int rtl_get_hwinfo(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv,
+ int max_size, u8 *hwinfo, int *params);
#endif
--
2.1.4
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