diff options
Diffstat (limited to 'target/linux/generic/patches-3.3/025-bcma_backport.patch')
| -rw-r--r-- | target/linux/generic/patches-3.3/025-bcma_backport.patch | 307 |
1 files changed, 281 insertions, 26 deletions
diff --git a/target/linux/generic/patches-3.3/025-bcma_backport.patch b/target/linux/generic/patches-3.3/025-bcma_backport.patch index 2f85e022c7..29aaa29582 100644 --- a/target/linux/generic/patches-3.3/025-bcma_backport.patch +++ b/target/linux/generic/patches-3.3/025-bcma_backport.patch @@ -9,6 +9,32 @@ help PCI core hostmode operation (external PCI bus). +@@ -46,6 +46,15 @@ config BCMA_DRIVER_MIPS + + If unsure, say N + ++config BCMA_DRIVER_GMAC_CMN ++ bool "BCMA Broadcom GBIT MAC COMMON core driver" ++ depends on BCMA ++ help ++ Driver for the Broadcom GBIT MAC COMMON core attached to Broadcom ++ specific Advanced Microcontroller Bus. ++ ++ If unsure, say N ++ + config BCMA_DEBUG + bool "BCMA debugging" + depends on BCMA +--- a/drivers/bcma/Makefile ++++ b/drivers/bcma/Makefile +@@ -3,6 +3,7 @@ bcma-y += driver_chipcommon.o driver + bcma-y += driver_pci.o + bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o + bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o ++bcma-$(CONFIG_BCMA_DRIVER_GMAC_CMN) += driver_gmac_cmn.o + bcma-$(CONFIG_BCMA_HOST_PCI) += host_pci.o + bcma-$(CONFIG_BCMA_HOST_SOC) += host_soc.o + obj-$(CONFIG_BCMA) += bcma.o --- a/drivers/bcma/bcma_private.h +++ b/drivers/bcma/bcma_private.h @@ -10,10 +10,19 @@ @@ -618,6 +644,23 @@ + bcma_cc_write32(cc, BCMA_CC_PMU_CTL, tmp); +} +EXPORT_SYMBOL_GPL(bcma_pmu_spuravoid_pllupdate); +--- /dev/null ++++ b/drivers/bcma/driver_gmac_cmn.c +@@ -0,0 +1,14 @@ ++/* ++ * Broadcom specific AMBA ++ * GBIT MAC COMMON Core ++ * ++ * Licensed under the GNU/GPL. See COPYING for details. ++ */ ++ ++#include "bcma_private.h" ++#include <linux/bcma/bcma.h> ++ ++void __devinit bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc) ++{ ++ mutex_init(&gc->phy_mutex); ++} --- a/drivers/bcma/driver_mips.c +++ b/drivers/bcma/driver_mips.c @@ -22,15 +22,15 @@ @@ -1737,16 +1780,23 @@ static int bcma_bus_match(struct device *dev, struct device_driver *drv); static int bcma_device_probe(struct device *dev); static int bcma_device_remove(struct device *dev); -@@ -55,7 +61,7 @@ static struct bus_type bcma_bus_type = { +@@ -55,7 +61,14 @@ static struct bus_type bcma_bus_type = { .dev_attrs = bcma_device_attrs, }; -static struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid) ++static u16 bcma_cc_core_id(struct bcma_bus *bus) ++{ ++ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) ++ return BCMA_CORE_4706_CHIPCOMMON; ++ return BCMA_CORE_CHIPCOMMON; ++} ++ +struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid) { struct bcma_device *core; -@@ -65,6 +71,7 @@ static struct bcma_device *bcma_find_cor +@@ -65,6 +78,7 @@ static struct bcma_device *bcma_find_cor } return NULL; } @@ -1754,7 +1804,18 @@ static void bcma_release_core_dev(struct device *dev) { -@@ -93,7 +100,7 @@ static int bcma_register_cores(struct bc +@@ -84,16 +98,18 @@ static int bcma_register_cores(struct bc + list_for_each_entry(core, &bus->cores, list) { + /* We support that cores ourself */ + switch (core->id.id) { ++ case BCMA_CORE_4706_CHIPCOMMON: + case BCMA_CORE_CHIPCOMMON: + case BCMA_CORE_PCI: + case BCMA_CORE_PCIE: + case BCMA_CORE_MIPS_74K: ++ case BCMA_CORE_4706_MAC_GBIT_COMMON: + continue; + } core->dev.release = bcma_release_core_dev; core->dev.bus = &bcma_bus_type; @@ -1763,7 +1824,7 @@ switch (bus->hosttype) { case BCMA_HOSTTYPE_PCI: -@@ -111,8 +118,9 @@ static int bcma_register_cores(struct bc +@@ -111,8 +127,9 @@ static int bcma_register_cores(struct bc err = device_register(&core->dev); if (err) { @@ -1775,7 +1836,7 @@ continue; } core->dev_registered = true; -@@ -132,15 +140,19 @@ static void bcma_unregister_cores(struct +@@ -132,20 +149,24 @@ static void bcma_unregister_cores(struct } } @@ -1797,7 +1858,23 @@ return -1; } -@@ -168,14 +180,14 @@ int bcma_bus_register(struct bcma_bus *b + /* Init CC core */ +- core = bcma_find_core(bus, BCMA_CORE_CHIPCOMMON); ++ core = bcma_find_core(bus, bcma_cc_core_id(bus)); + if (core) { + bus->drv_cc.core = core; + bcma_core_chipcommon_init(&bus->drv_cc); +@@ -165,17 +186,24 @@ int bcma_bus_register(struct bcma_bus *b + bcma_core_pci_init(&bus->drv_pci); + } + ++ /* Init GBIT MAC COMMON core */ ++ core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON); ++ if (core) { ++ bus->drv_gmac_cmn.core = core; ++ bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn); ++ } ++ /* Try to get SPROM */ err = bcma_sprom_get(bus); if (err == -ENOENT) { @@ -1815,7 +1892,15 @@ return 0; } -@@ -203,7 +215,7 @@ int __init bcma_bus_early_register(struc +@@ -196,14 +224,14 @@ int __init bcma_bus_early_register(struc + bcma_init_bus(bus); + + match.manuf = BCMA_MANUF_BCM; +- match.id = BCMA_CORE_CHIPCOMMON; ++ match.id = bcma_cc_core_id(bus); + match.class = BCMA_CL_SIM; + match.rev = BCMA_ANY_REV; + /* Scan for chip common core */ err = bcma_bus_scan_early(bus, &match, core_cc); if (err) { @@ -1824,7 +1909,7 @@ return -1; } -@@ -215,7 +227,7 @@ int __init bcma_bus_early_register(struc +@@ -215,12 +243,12 @@ int __init bcma_bus_early_register(struc /* Scan for mips core */ err = bcma_bus_scan_early(bus, &match, core_mips); if (err) { @@ -1833,7 +1918,13 @@ return -1; } -@@ -233,7 +245,7 @@ int __init bcma_bus_early_register(struc + /* Init CC core */ +- core = bcma_find_core(bus, BCMA_CORE_CHIPCOMMON); ++ core = bcma_find_core(bus, bcma_cc_core_id(bus)); + if (core) { + bus->drv_cc.core = core; + bcma_core_chipcommon_init(&bus->drv_cc); +@@ -233,7 +261,7 @@ int __init bcma_bus_early_register(struc bcma_core_mips_init(&bus->drv_mips); } @@ -1842,6 +1933,16 @@ return 0; } +@@ -259,8 +287,7 @@ int bcma_bus_resume(struct bcma_bus *bus + struct bcma_device *core; + + /* Init CC core */ +- core = bcma_find_core(bus, BCMA_CORE_CHIPCOMMON); +- if (core) { ++ if (bus->drv_cc.core) { + bus->drv_cc.setup_done = false; + bcma_core_chipcommon_init(&bus->drv_cc); + } --- a/drivers/bcma/scan.c +++ b/drivers/bcma/scan.c @@ -19,15 +19,27 @@ struct bcma_device_id_name { @@ -1851,6 +1952,7 @@ -struct bcma_device_id_name bcma_device_names[] = { + +static const struct bcma_device_id_name bcma_arm_device_names[] = { ++ { BCMA_CORE_4706_MAC_GBIT_COMMON, "BCM4706 GBit MAC Common" }, + { BCMA_CORE_ARM_1176, "ARM 1176" }, + { BCMA_CORE_ARM_7TDMI, "ARM 7TDMI" }, + { BCMA_CORE_ARM_CM3, "ARM CM3" }, @@ -1863,7 +1965,6 @@ + { BCMA_CORE_4706_MAC_GBIT, "BCM4706 GBit MAC" }, + { BCMA_CORE_AMEMC, "AMEMC (DDR)" }, + { BCMA_CORE_ALTA, "ALTA (I2S)" }, -+ { BCMA_CORE_4706_MAC_GBIT_COMMON, "BCM4706 GBit MAC Common" }, { BCMA_CORE_INVALID, "Invalid" }, { BCMA_CORE_CHIPCOMMON, "ChipCommon" }, { BCMA_CORE_ILINE20, "ILine 20" }, @@ -1965,7 +2066,28 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, struct bcma_device_id *match, int core_num, struct bcma_device *core) -@@ -286,6 +329,23 @@ static int bcma_get_next_core(struct bcm +@@ -252,11 +295,15 @@ static int bcma_get_next_core(struct bcm + + /* check if component is a core at all */ + if (wrappers[0] + wrappers[1] == 0) { +- /* we could save addrl of the router +- if (cid == BCMA_CORE_OOB_ROUTER) +- */ +- bcma_erom_skip_component(bus, eromptr); +- return -ENXIO; ++ /* Some specific cores don't need wrappers */ ++ switch (core->id.id) { ++ case BCMA_CORE_4706_MAC_GBIT_COMMON: ++ /* Not used yet: case BCMA_CORE_OOB_ROUTER: */ ++ break; ++ default: ++ bcma_erom_skip_component(bus, eromptr); ++ return -ENXIO; ++ } + } + + if (bcma_erom_is_bridge(bus, eromptr)) { +@@ -286,6 +333,23 @@ static int bcma_get_next_core(struct bcm return -EILSEQ; } @@ -1989,7 +2111,7 @@ /* get & parse slave ports */ for (i = 0; i < ports[1]; i++) { for (j = 0; ; j++) { -@@ -298,7 +358,7 @@ static int bcma_get_next_core(struct bcm +@@ -298,7 +362,7 @@ static int bcma_get_next_core(struct bcm break; } else { if (i == 0 && j == 0) @@ -1998,7 +2120,7 @@ } } } -@@ -353,6 +413,7 @@ static int bcma_get_next_core(struct bcm +@@ -353,6 +417,7 @@ static int bcma_get_next_core(struct bcm void bcma_init_bus(struct bcma_bus *bus) { s32 tmp; @@ -2006,7 +2128,7 @@ if (bus->init_done) return; -@@ -363,9 +424,12 @@ void bcma_init_bus(struct bcma_bus *bus) +@@ -363,9 +428,12 @@ void bcma_init_bus(struct bcma_bus *bus) bcma_scan_switch_core(bus, BCMA_ADDR_BASE); tmp = bcma_scan_read32(bus, 0, BCMA_CC_ID); @@ -2022,7 +2144,7 @@ bus->init_done = true; } -@@ -392,6 +456,7 @@ int bcma_bus_scan(struct bcma_bus *bus) +@@ -392,6 +460,7 @@ int bcma_bus_scan(struct bcma_bus *bus) bcma_scan_switch_core(bus, erombase); while (eromptr < eromend) { @@ -2030,7 +2152,7 @@ struct bcma_device *core = kzalloc(sizeof(*core), GFP_KERNEL); if (!core) return -ENOMEM; -@@ -414,12 +479,13 @@ int bcma_bus_scan(struct bcma_bus *bus) +@@ -414,14 +483,15 @@ int bcma_bus_scan(struct bcma_bus *bus) core->core_index = core_num++; bus->nr_cores++; @@ -2047,9 +2169,12 @@ + core->id.manuf, core->id.id, core->id.rev, + core->id.class); - list_add(&core->list, &bus->cores); +- list_add(&core->list, &bus->cores); ++ list_add_tail(&core->list, &bus->cores); } -@@ -471,11 +537,10 @@ int __init bcma_bus_scan_early(struct bc + + if (bus->hosttype == BCMA_HOSTTYPE_SOC) +@@ -471,13 +541,12 @@ int __init bcma_bus_scan_early(struct bc core->core_index = core_num++; bus->nr_cores++; @@ -2063,8 +2188,22 @@ + core->id.manuf, core->id.id, core->id.rev, + core->id.class); - list_add(&core->list, &bus->cores); +- list_add(&core->list, &bus->cores); ++ list_add_tail(&core->list, &bus->cores); err = 0; + break; + } +--- a/drivers/bcma/scan.h ++++ b/drivers/bcma/scan.h +@@ -27,7 +27,7 @@ + #define SCAN_CIB_NMW 0x0007C000 + #define SCAN_CIB_NMW_SHIFT 14 + #define SCAN_CIB_NSW 0x00F80000 +-#define SCAN_CIB_NSW_SHIFT 17 ++#define SCAN_CIB_NSW_SHIFT 19 + #define SCAN_CIB_REV 0xFF000000 + #define SCAN_CIB_REV_SHIFT 24 + --- a/drivers/bcma/sprom.c +++ b/drivers/bcma/sprom.c @@ -2,6 +2,8 @@ @@ -2630,7 +2769,15 @@ err = bcma_sprom_valid(sprom); --- a/include/linux/bcma/bcma.h +++ b/include/linux/bcma/bcma.h -@@ -26,6 +26,11 @@ struct bcma_chipinfo { +@@ -7,6 +7,7 @@ + #include <linux/bcma/bcma_driver_chipcommon.h> + #include <linux/bcma/bcma_driver_pci.h> + #include <linux/bcma/bcma_driver_mips.h> ++#include <linux/bcma/bcma_driver_gmac_cmn.h> + #include <linux/ssb/ssb.h> /* SPROM sharing */ + + #include "bcma_regs.h" +@@ -26,6 +27,11 @@ struct bcma_chipinfo { u8 pkg; }; @@ -2642,7 +2789,7 @@ enum bcma_clkmode { BCMA_CLKMODE_FAST, BCMA_CLKMODE_DYNAMIC, -@@ -65,6 +70,13 @@ struct bcma_host_ops { +@@ -65,6 +71,13 @@ struct bcma_host_ops { /* Core-ID values. */ #define BCMA_CORE_OOB_ROUTER 0x367 /* Out of band */ @@ -2656,7 +2803,7 @@ #define BCMA_CORE_INVALID 0x700 #define BCMA_CORE_CHIPCOMMON 0x800 #define BCMA_CORE_ILINE20 0x801 -@@ -125,6 +137,36 @@ struct bcma_host_ops { +@@ -125,6 +138,36 @@ struct bcma_host_ops { #define BCMA_MAX_NR_CORES 16 @@ -2693,7 +2840,7 @@ struct bcma_device { struct bcma_bus *bus; struct bcma_device_id id; -@@ -136,8 +178,10 @@ struct bcma_device { +@@ -136,8 +179,10 @@ struct bcma_device { bool dev_registered; u8 core_index; @@ -2704,7 +2851,7 @@ u32 wrap; void __iomem *io_addr; -@@ -175,6 +219,12 @@ int __bcma_driver_register(struct bcma_d +@@ -175,6 +220,12 @@ int __bcma_driver_register(struct bcma_d extern void bcma_driver_unregister(struct bcma_driver *drv); @@ -2717,7 +2864,7 @@ struct bcma_bus { /* The MMIO area. */ void __iomem *mmio; -@@ -191,10 +241,13 @@ struct bcma_bus { +@@ -191,14 +242,18 @@ struct bcma_bus { struct bcma_chipinfo chipinfo; @@ -2731,7 +2878,12 @@ struct bcma_drv_cc drv_cc; struct bcma_drv_pci drv_pci; -@@ -282,6 +335,7 @@ static inline void bcma_maskset16(struct + struct bcma_drv_mips drv_mips; ++ struct bcma_drv_gmac_cmn drv_gmac_cmn; + + /* We decided to share SPROM struct with SSB as long as we do not need + * any hacks for BCMA. This simplifies drivers code. */ +@@ -282,6 +337,7 @@ static inline void bcma_maskset16(struct bcma_write16(cc, offset, (bcma_read16(cc, offset) & mask) | set); } @@ -2869,6 +3021,109 @@ +extern void bcma_pmu_spuravoid_pllupdate(struct bcma_drv_cc *cc, int spuravoid); #endif /* LINUX_BCMA_DRIVER_CC_H_ */ +--- /dev/null ++++ b/include/linux/bcma/bcma_driver_gmac_cmn.h +@@ -0,0 +1,100 @@ ++#ifndef LINUX_BCMA_DRIVER_GMAC_CMN_H_ ++#define LINUX_BCMA_DRIVER_GMAC_CMN_H_ ++ ++#include <linux/types.h> ++ ++#define BCMA_GMAC_CMN_STAG0 0x000 ++#define BCMA_GMAC_CMN_STAG1 0x004 ++#define BCMA_GMAC_CMN_STAG2 0x008 ++#define BCMA_GMAC_CMN_STAG3 0x00C ++#define BCMA_GMAC_CMN_PARSER_CTL 0x020 ++#define BCMA_GMAC_CMN_MIB_MAX_LEN 0x024 ++#define BCMA_GMAC_CMN_PHY_ACCESS 0x100 ++#define BCMA_GMAC_CMN_PA_DATA_MASK 0x0000ffff ++#define BCMA_GMAC_CMN_PA_ADDR_MASK 0x001f0000 ++#define BCMA_GMAC_CMN_PA_ADDR_SHIFT 16 ++#define BCMA_GMAC_CMN_PA_REG_MASK 0x1f000000 ++#define BCMA_GMAC_CMN_PA_REG_SHIFT 24 ++#define BCMA_GMAC_CMN_PA_WRITE 0x20000000 ++#define BCMA_GMAC_CMN_PA_START 0x40000000 ++#define BCMA_GMAC_CMN_PHY_CTL 0x104 ++#define BCMA_GMAC_CMN_PC_EPA_MASK 0x0000001f ++#define BCMA_GMAC_CMN_PC_MCT_MASK 0x007f0000 ++#define BCMA_GMAC_CMN_PC_MCT_SHIFT 16 ++#define BCMA_GMAC_CMN_PC_MTE 0x00800000 ++#define BCMA_GMAC_CMN_GMAC0_RGMII_CTL 0x110 ++#define BCMA_GMAC_CMN_CFP_ACCESS 0x200 ++#define BCMA_GMAC_CMN_CFP_TCAM_DATA0 0x210 ++#define BCMA_GMAC_CMN_CFP_TCAM_DATA1 0x214 ++#define BCMA_GMAC_CMN_CFP_TCAM_DATA2 0x218 ++#define BCMA_GMAC_CMN_CFP_TCAM_DATA3 0x21C ++#define BCMA_GMAC_CMN_CFP_TCAM_DATA4 0x220 ++#define BCMA_GMAC_CMN_CFP_TCAM_DATA5 0x224 ++#define BCMA_GMAC_CMN_CFP_TCAM_DATA6 0x228 ++#define BCMA_GMAC_CMN_CFP_TCAM_DATA7 0x22C ++#define BCMA_GMAC_CMN_CFP_TCAM_MASK0 0x230 ++#define BCMA_GMAC_CMN_CFP_TCAM_MASK1 0x234 ++#define BCMA_GMAC_CMN_CFP_TCAM_MASK2 0x238 ++#define BCMA_GMAC_CMN_CFP_TCAM_MASK3 0x23C ++#define BCMA_GMAC_CMN_CFP_TCAM_MASK4 0x240 ++#define BCMA_GMAC_CMN_CFP_TCAM_MASK5 0x244 ++#define BCMA_GMAC_CMN_CFP_TCAM_MASK6 0x248 ++#define BCMA_GMAC_CMN_CFP_TCAM_MASK7 0x24C ++#define BCMA_GMAC_CMN_CFP_ACTION_DATA 0x250 ++#define BCMA_GMAC_CMN_TCAM_BIST_CTL 0x2A0 ++#define BCMA_GMAC_CMN_TCAM_BIST_STATUS 0x2A4 ++#define BCMA_GMAC_CMN_TCAM_CMP_STATUS 0x2A8 ++#define BCMA_GMAC_CMN_TCAM_DISABLE 0x2AC ++#define BCMA_GMAC_CMN_TCAM_TEST_CTL 0x2F0 ++#define BCMA_GMAC_CMN_UDF_0_A3_A0 0x300 ++#define BCMA_GMAC_CMN_UDF_0_A7_A4 0x304 ++#define BCMA_GMAC_CMN_UDF_0_A8 0x308 ++#define BCMA_GMAC_CMN_UDF_1_A3_A0 0x310 ++#define BCMA_GMAC_CMN_UDF_1_A7_A4 0x314 ++#define BCMA_GMAC_CMN_UDF_1_A8 0x318 ++#define BCMA_GMAC_CMN_UDF_2_A3_A0 0x320 ++#define BCMA_GMAC_CMN_UDF_2_A7_A4 0x324 ++#define BCMA_GMAC_CMN_UDF_2_A8 0x328 ++#define BCMA_GMAC_CMN_UDF_0_B3_B0 0x330 ++#define BCMA_GMAC_CMN_UDF_0_B7_B4 0x334 ++#define BCMA_GMAC_CMN_UDF_0_B8 0x338 ++#define BCMA_GMAC_CMN_UDF_1_B3_B0 0x340 ++#define BCMA_GMAC_CMN_UDF_1_B7_B4 0x344 ++#define BCMA_GMAC_CMN_UDF_1_B8 0x348 ++#define BCMA_GMAC_CMN_UDF_2_B3_B0 0x350 ++#define BCMA_GMAC_CMN_UDF_2_B7_B4 0x354 ++#define BCMA_GMAC_CMN_UDF_2_B8 0x358 ++#define BCMA_GMAC_CMN_UDF_0_C3_C0 0x360 ++#define BCMA_GMAC_CMN_UDF_0_C7_C4 0x364 ++#define BCMA_GMAC_CMN_UDF_0_C8 0x368 ++#define BCMA_GMAC_CMN_UDF_1_C3_C0 0x370 ++#define BCMA_GMAC_CMN_UDF_1_C7_C4 0x374 ++#define BCMA_GMAC_CMN_UDF_1_C8 0x378 ++#define BCMA_GMAC_CMN_UDF_2_C3_C0 0x380 ++#define BCMA_GMAC_CMN_UDF_2_C7_C4 0x384 ++#define BCMA_GMAC_CMN_UDF_2_C8 0x388 ++#define BCMA_GMAC_CMN_UDF_0_D3_D0 0x390 ++#define BCMA_GMAC_CMN_UDF_0_D7_D4 0x394 ++#define BCMA_GMAC_CMN_UDF_0_D11_D8 0x394 ++ ++struct bcma_drv_gmac_cmn { ++ struct bcma_device *core; ++ ++ /* Drivers accessing BCMA_GMAC_CMN_PHY_ACCESS and ++ * BCMA_GMAC_CMN_PHY_CTL need to take that mutex first. */ ++ struct mutex phy_mutex; ++}; ++ ++/* Register access */ ++#define gmac_cmn_read16(gc, offset) bcma_read16((gc)->core, offset) ++#define gmac_cmn_read32(gc, offset) bcma_read32((gc)->core, offset) ++#define gmac_cmn_write16(gc, offset, val) bcma_write16((gc)->core, offset, val) ++#define gmac_cmn_write32(gc, offset, val) bcma_write32((gc)->core, offset, val) ++ ++#ifdef CONFIG_BCMA_DRIVER_GMAC_CMN ++extern void __devinit bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc); ++#else ++static inline void bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc) { } ++#endif ++ ++#endif /* LINUX_BCMA_DRIVER_GMAC_CMN_H_ */ --- a/include/linux/bcma/bcma_driver_pci.h +++ b/include/linux/bcma/bcma_driver_pci.h @@ -53,11 +53,47 @@ struct pci_dev; |