From 40292fb0f041362bca2f6ad975acedce4f6e3f3e Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sat, 30 Jul 2005 13:12:06 +0200 Subject: [PATCH] [PATCH] sis190: remove hardcoded constants. Replace hardcoded constants by enumerated values in sis190_read_eeprom The names of the enumerated values have been extracted from SiS'official driver (v1.00.00 published on 2005/07/11). Signed-off-by: Francois Romieu Signed-off-by: Jeff Garzik --- drivers/net/sis190.c | 28 ++++++++++++++++++---------- 1 file changed, 18 insertions(+), 10 deletions(-) diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c index e67a5753882e..d915507e90eb 100644 --- a/drivers/net/sis190.c +++ b/drivers/net/sis190.c @@ -5,7 +5,8 @@ Copyright (c) 2003, 2004 Jeff Garzik Copyright (c) 2003, 2004, 2005 Francois Romieu - Based on r8169.c, tg3.c, 8139cp.c, skge.c and probably even epic100.c. + Based on r8169.c, tg3.c, 8139cp.c, skge.c, epic100.c and SiS 190/191 + genuine driver. This software may be used and distributed according to the terms of the GNU General Public License (GPL), incorporated herein by reference. @@ -221,6 +222,16 @@ enum _DescStatusBit { RxSizeMask = 0x0000ffff }; +enum sis190_eeprom_access_register_bits { + EECS = 0x00000001, // unused + EECLK = 0x00000002, // unused + EEDO = 0x00000008, // unused + EEDI = 0x00000004, // unused + EEREQ = 0x00000080, + EEROP = 0x00000200, + EEWOP = 0x00000100 // unused +}; + struct sis190_private { void __iomem *mmio_addr; struct pci_dev *pci_dev; @@ -333,27 +344,24 @@ static int __mdio_read(struct net_device *dev, int phy_id, int reg) return mdio_read(tp->mmio_addr, reg); } -static int sis190_read_eeprom(void __iomem *ioaddr, u32 reg) +static u16 __devinit sis190_read_eeprom(void __iomem *ioaddr, u32 reg) { + u16 data = 0xffff; unsigned int i; - u16 data; - u32 val; if (!(SIS_R32(ROMControl) & 0x0002)) return 0; - val = (0x0080 | (0x2 << 8) | (reg << 10)); - - SIS_W32(ROMInterface, val); + SIS_W32(ROMInterface, EEREQ | EEROP | (reg << 10)); for (i = 0; i < 200; i++) { - if (!(SIS_R32(ROMInterface) & 0x0080)) + if (!(SIS_R32(ROMInterface) & EEREQ)) { + data = (SIS_R32(ROMInterface) & 0xffff0000) >> 16; break; + } msleep(1); } - data = (u16) ((SIS_R32(ROMInterface) & 0xffff0000) >> 16); - return data; } -- 2.20.1