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-rw-r--r--drivers/char/agp/efficeon-agp.c11
-rw-r--r--drivers/char/hvc_lguest.c2
-rw-r--r--drivers/lguest/core.c6
-rw-r--r--drivers/lguest/lguest.c152
-rw-r--r--drivers/lguest/lguest_bus.c2
-rw-r--r--drivers/mmc/core/mmc.c3
-rw-r--r--drivers/mmc/host/at91_mci.c4
-rw-r--r--drivers/net/wireless/Kconfig6
-rw-r--r--drivers/net/wireless/libertas/Makefile2
-rw-r--r--drivers/net/wireless/libertas/defs.h2
-rw-r--r--drivers/net/wireless/libertas/if_sdio.c1079
-rw-r--r--drivers/net/wireless/libertas/if_sdio.h45
-rw-r--r--drivers/scsi/scsi_lib.c2
-rw-r--r--drivers/video/Kconfig1
14 files changed, 1228 insertions, 89 deletions
diff --git a/drivers/char/agp/efficeon-agp.c b/drivers/char/agp/efficeon-agp.c
index d78cd09186a..cac0009cebc 100644
--- a/drivers/char/agp/efficeon-agp.c
+++ b/drivers/char/agp/efficeon-agp.c
@@ -221,7 +221,7 @@ static int efficeon_create_gatt_table(struct agp_bridge_data *bridge)
SetPageReserved(virt_to_page((char *)page));
for (offset = 0; offset < PAGE_SIZE; offset += clflush_chunk)
- asm volatile("clflush %0" : : "m" (*(char *)(page+offset)));
+ clflush((char *)page+offset);
efficeon_private.l1_table[index] = page;
@@ -268,15 +268,16 @@ static int efficeon_insert_memory(struct agp_memory * mem, off_t pg_start, int t
*page = insert;
/* clflush is slow, so don't clflush until we have to */
- if ( last_page &&
- ((unsigned long)page^(unsigned long)last_page) & clflush_mask )
- asm volatile("clflush %0" : : "m" (*last_page));
+ if (last_page &&
+ (((unsigned long)page^(unsigned long)last_page) &
+ clflush_mask))
+ clflush(last_page);
last_page = page;
}
if ( last_page )
- asm volatile("clflush %0" : : "m" (*last_page));
+ clflush(last_page);
agp_bridge->driver->tlb_flush(mem);
return 0;
diff --git a/drivers/char/hvc_lguest.c b/drivers/char/hvc_lguest.c
index 3d6bd0baa56..efccb215583 100644
--- a/drivers/char/hvc_lguest.c
+++ b/drivers/char/hvc_lguest.c
@@ -115,7 +115,7 @@ static struct hv_ops lguest_cons = {
* (0), and the struct hv_ops containing the put_chars() function. */
static int __init cons_init(void)
{
- if (strcmp(paravirt_ops.name, "lguest") != 0)
+ if (strcmp(pv_info.name, "lguest") != 0)
return 0;
return hvc_instantiate(0, 0, &lguest_cons);
diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c
index 4a315f08a56..a0788c12b39 100644
--- a/drivers/lguest/core.c
+++ b/drivers/lguest/core.c
@@ -248,8 +248,8 @@ static void unmap_switcher(void)
}
/*H:130 Our Guest is usually so well behaved; it never tries to do things it
- * isn't allowed to. Unfortunately, "struct paravirt_ops" isn't quite
- * complete, because it doesn't contain replacements for the Intel I/O
+ * isn't allowed to. Unfortunately, Linux's paravirtual infrastructure isn't
+ * quite complete, because it doesn't contain replacements for the Intel I/O
* instructions. As a result, the Guest sometimes fumbles across one during
* the boot process as it probes for various things which are usually attached
* to a PC.
@@ -694,7 +694,7 @@ static int __init init(void)
/* Lguest can't run under Xen, VMI or itself. It does Tricky Stuff. */
if (paravirt_enabled()) {
- printk("lguest is afraid of %s\n", paravirt_ops.name);
+ printk("lguest is afraid of %s\n", pv_info.name);
return -EPERM;
}
diff --git a/drivers/lguest/lguest.c b/drivers/lguest/lguest.c
index 4a579c84030..3ba337dde85 100644
--- a/drivers/lguest/lguest.c
+++ b/drivers/lguest/lguest.c
@@ -23,7 +23,7 @@
*
* So how does the kernel know it's a Guest? The Guest starts at a special
* entry point marked with a magic string, which sets up a few things then
- * calls here. We replace the native functions in "struct paravirt_ops"
+ * calls here. We replace the native functions various "paravirt" structures
* with our Guest versions, then boot like normal. :*/
/*
@@ -97,29 +97,17 @@ static cycle_t clock_base;
* them as a batch when lazy_mode is eventually turned off. Because hypercalls
* are reasonably expensive, batching them up makes sense. For example, a
* large mmap might update dozens of page table entries: that code calls
- * lguest_lazy_mode(PARAVIRT_LAZY_MMU), does the dozen updates, then calls
- * lguest_lazy_mode(PARAVIRT_LAZY_NONE).
+ * paravirt_enter_lazy_mmu(), does the dozen updates, then calls
+ * lguest_leave_lazy_mode().
*
* So, when we're in lazy mode, we call async_hypercall() to store the call for
* future processing. When lazy mode is turned off we issue a hypercall to
* flush the stored calls.
- *
- * There's also a hack where "mode" is set to "PARAVIRT_LAZY_FLUSH" which
- * indicates we're to flush any outstanding calls immediately. This is used
- * when an interrupt handler does a kmap_atomic(): the page table changes must
- * happen immediately even if we're in the middle of a batch. Usually we're
- * not, though, so there's nothing to do. */
-static enum paravirt_lazy_mode lazy_mode; /* Note: not SMP-safe! */
-static void lguest_lazy_mode(enum paravirt_lazy_mode mode)
+ */
+static void lguest_leave_lazy_mode(void)
{
- if (mode == PARAVIRT_LAZY_FLUSH) {
- if (unlikely(lazy_mode != PARAVIRT_LAZY_NONE))
- hcall(LHCALL_FLUSH_ASYNC, 0, 0, 0);
- } else {
- lazy_mode = mode;
- if (mode == PARAVIRT_LAZY_NONE)
- hcall(LHCALL_FLUSH_ASYNC, 0, 0, 0);
- }
+ paravirt_leave_lazy(paravirt_get_lazy_mode());
+ hcall(LHCALL_FLUSH_ASYNC, 0, 0, 0);
}
static void lazy_hcall(unsigned long call,
@@ -127,7 +115,7 @@ static void lazy_hcall(unsigned long call,
unsigned long arg2,
unsigned long arg3)
{
- if (lazy_mode == PARAVIRT_LAZY_NONE)
+ if (paravirt_get_lazy_mode() == PARAVIRT_LAZY_NONE)
hcall(call, arg1, arg2, arg3);
else
async_hcall(call, arg1, arg2, arg3);
@@ -331,7 +319,7 @@ static void lguest_load_tls(struct thread_struct *t, unsigned int cpu)
}
/*G:038 That's enough excitement for now, back to ploughing through each of
- * the paravirt_ops (we're about 1/3 of the way through).
+ * the different pv_ops structures (we're about 1/3 of the way through).
*
* This is the Local Descriptor Table, another weird Intel thingy. Linux only
* uses this for some strange applications like Wine. We don't do anything
@@ -558,7 +546,7 @@ static void lguest_set_pte(pte_t *ptep, pte_t pteval)
lazy_hcall(LHCALL_FLUSH_TLB, 1, 0, 0);
}
-/* Unfortunately for Lguest, the paravirt_ops for page tables were based on
+/* Unfortunately for Lguest, the pv_mmu_ops for page tables were based on
* native page table operations. On native hardware you can set a new page
* table entry whenever you want, but if you want to remove one you have to do
* a TLB flush (a TLB is a little cache of page table entries kept by the CPU).
@@ -782,7 +770,7 @@ static void lguest_time_init(void)
clocksource_register(&lguest_clock);
/* Now we've set up our clock, we can use it as the scheduler clock */
- paravirt_ops.sched_clock = lguest_sched_clock;
+ pv_time_ops.sched_clock = lguest_sched_clock;
/* We can't set cpumask in the initializer: damn C limitations! Set it
* here and register our timer device. */
@@ -904,7 +892,7 @@ static __init char *lguest_memory_setup(void)
/*G:050
* Patching (Powerfully Placating Performance Pedants)
*
- * We have already seen that "struct paravirt_ops" lets us replace simple
+ * We have already seen that pv_ops structures let us replace simple
* native instructions with calls to the appropriate back end all throughout
* the kernel. This allows the same kernel to run as a Guest and as a native
* kernel, but it's slow because of all the indirect branches.
@@ -929,10 +917,10 @@ static const struct lguest_insns
{
const char *start, *end;
} lguest_insns[] = {
- [PARAVIRT_PATCH(irq_disable)] = { lgstart_cli, lgend_cli },
- [PARAVIRT_PATCH(irq_enable)] = { lgstart_sti, lgend_sti },
- [PARAVIRT_PATCH(restore_fl)] = { lgstart_popf, lgend_popf },
- [PARAVIRT_PATCH(save_fl)] = { lgstart_pushf, lgend_pushf },
+ [PARAVIRT_PATCH(pv_irq_ops.irq_disable)] = { lgstart_cli, lgend_cli },
+ [PARAVIRT_PATCH(pv_irq_ops.irq_enable)] = { lgstart_sti, lgend_sti },
+ [PARAVIRT_PATCH(pv_irq_ops.restore_fl)] = { lgstart_popf, lgend_popf },
+ [PARAVIRT_PATCH(pv_irq_ops.save_fl)] = { lgstart_pushf, lgend_pushf },
};
/* Now our patch routine is fairly simple (based on the native one in
@@ -959,9 +947,9 @@ static unsigned lguest_patch(u8 type, u16 clobber, void *ibuf,
return insn_len;
}
-/*G:030 Once we get to lguest_init(), we know we're a Guest. The paravirt_ops
- * structure in the kernel provides a single point for (almost) every routine
- * we have to override to avoid privileged instructions. */
+/*G:030 Once we get to lguest_init(), we know we're a Guest. The pv_ops
+ * structures in the kernel provide points for (almost) every routine we have
+ * to override to avoid privileged instructions. */
__init void lguest_init(void *boot)
{
/* Copy boot parameters first: the Launcher put the physical location
@@ -976,54 +964,70 @@ __init void lguest_init(void *boot)
/* We're under lguest, paravirt is enabled, and we're running at
* privilege level 1, not 0 as normal. */
- paravirt_ops.name = "lguest";
- paravirt_ops.paravirt_enabled = 1;
- paravirt_ops.kernel_rpl = 1;
+ pv_info.name = "lguest";
+ pv_info.paravirt_enabled = 1;
+ pv_info.kernel_rpl = 1;
/* We set up all the lguest overrides for sensitive operations. These
* are detailed with the operations themselves. */
- paravirt_ops.save_fl = save_fl;
- paravirt_ops.restore_fl = restore_fl;
- paravirt_ops.irq_disable = irq_disable;
- paravirt_ops.irq_enable = irq_enable;
- paravirt_ops.load_gdt = lguest_load_gdt;
- paravirt_ops.memory_setup = lguest_memory_setup;
- paravirt_ops.cpuid = lguest_cpuid;
- paravirt_ops.write_cr3 = lguest_write_cr3;
- paravirt_ops.flush_tlb_user = lguest_flush_tlb_user;
- paravirt_ops.flush_tlb_single = lguest_flush_tlb_single;
- paravirt_ops.flush_tlb_kernel = lguest_flush_tlb_kernel;
- paravirt_ops.set_pte = lguest_set_pte;
- paravirt_ops.set_pte_at = lguest_set_pte_at;
- paravirt_ops.set_pmd = lguest_set_pmd;
+
+ /* interrupt-related operations */
+ pv_irq_ops.init_IRQ = lguest_init_IRQ;
+ pv_irq_ops.save_fl = save_fl;
+ pv_irq_ops.restore_fl = restore_fl;
+ pv_irq_ops.irq_disable = irq_disable;
+ pv_irq_ops.irq_enable = irq_enable;
+ pv_irq_ops.safe_halt = lguest_safe_halt;
+
+ /* init-time operations */
+ pv_init_ops.memory_setup = lguest_memory_setup;
+ pv_init_ops.patch = lguest_patch;
+
+ /* Intercepts of various cpu instructions */
+ pv_cpu_ops.load_gdt = lguest_load_gdt;
+ pv_cpu_ops.cpuid = lguest_cpuid;
+ pv_cpu_ops.load_idt = lguest_load_idt;
+ pv_cpu_ops.iret = lguest_iret;
+ pv_cpu_ops.load_esp0 = lguest_load_esp0;
+ pv_cpu_ops.load_tr_desc = lguest_load_tr_desc;
+ pv_cpu_ops.set_ldt = lguest_set_ldt;
+ pv_cpu_ops.load_tls = lguest_load_tls;
+ pv_cpu_ops.set_debugreg = lguest_set_debugreg;
+ pv_cpu_ops.clts = lguest_clts;
+ pv_cpu_ops.read_cr0 = lguest_read_cr0;
+ pv_cpu_ops.write_cr0 = lguest_write_cr0;
+ pv_cpu_ops.read_cr4 = lguest_read_cr4;
+ pv_cpu_ops.write_cr4 = lguest_write_cr4;
+ pv_cpu_ops.write_gdt_entry = lguest_write_gdt_entry;
+ pv_cpu_ops.write_idt_entry = lguest_write_idt_entry;
+ pv_cpu_ops.wbinvd = lguest_wbinvd;
+ pv_cpu_ops.lazy_mode.enter = paravirt_enter_lazy_cpu;
+ pv_cpu_ops.lazy_mode.leave = lguest_leave_lazy_mode;
+
+ /* pagetable management */
+ pv_mmu_ops.write_cr3 = lguest_write_cr3;
+ pv_mmu_ops.flush_tlb_user = lguest_flush_tlb_user;
+ pv_mmu_ops.flush_tlb_single = lguest_flush_tlb_single;
+ pv_mmu_ops.flush_tlb_kernel = lguest_flush_tlb_kernel;
+ pv_mmu_ops.set_pte = lguest_set_pte;
+ pv_mmu_ops.set_pte_at = lguest_set_pte_at;
+ pv_mmu_ops.set_pmd = lguest_set_pmd;
+ pv_mmu_ops.read_cr2 = lguest_read_cr2;
+ pv_mmu_ops.read_cr3 = lguest_read_cr3;
+ pv_mmu_ops.lazy_mode.enter = paravirt_enter_lazy_mmu;
+ pv_mmu_ops.lazy_mode.leave = lguest_leave_lazy_mode;
+
#ifdef CONFIG_X86_LOCAL_APIC
- paravirt_ops.apic_write = lguest_apic_write;
- paravirt_ops.apic_write_atomic = lguest_apic_write;
- paravirt_ops.apic_read = lguest_apic_read;
+ /* apic read/write intercepts */
+ pv_apic_ops.apic_write = lguest_apic_write;
+ pv_apic_ops.apic_write_atomic = lguest_apic_write;
+ pv_apic_ops.apic_read = lguest_apic_read;
#endif
- paravirt_ops.load_idt = lguest_load_idt;
- paravirt_ops.iret = lguest_iret;
- paravirt_ops.load_esp0 = lguest_load_esp0;
- paravirt_ops.load_tr_desc = lguest_load_tr_desc;
- paravirt_ops.set_ldt = lguest_set_ldt;
- paravirt_ops.load_tls = lguest_load_tls;
- paravirt_ops.set_debugreg = lguest_set_debugreg;
- paravirt_ops.clts = lguest_clts;
- paravirt_ops.read_cr0 = lguest_read_cr0;
- paravirt_ops.write_cr0 = lguest_write_cr0;
- paravirt_ops.init_IRQ = lguest_init_IRQ;
- paravirt_ops.read_cr2 = lguest_read_cr2;
- paravirt_ops.read_cr3 = lguest_read_cr3;
- paravirt_ops.read_cr4 = lguest_read_cr4;
- paravirt_ops.write_cr4 = lguest_write_cr4;
- paravirt_ops.write_gdt_entry = lguest_write_gdt_entry;
- paravirt_ops.write_idt_entry = lguest_write_idt_entry;
- paravirt_ops.patch = lguest_patch;
- paravirt_ops.safe_halt = lguest_safe_halt;
- paravirt_ops.get_wallclock = lguest_get_wallclock;
- paravirt_ops.time_init = lguest_time_init;
- paravirt_ops.set_lazy_mode = lguest_lazy_mode;
- paravirt_ops.wbinvd = lguest_wbinvd;
+
+ /* time operations */
+ pv_time_ops.get_wallclock = lguest_get_wallclock;
+ pv_time_ops.time_init = lguest_time_init;
+
/* Now is a good time to look at the implementations of these functions
* before returning to the rest of lguest_init(). */
diff --git a/drivers/lguest/lguest_bus.c b/drivers/lguest/lguest_bus.c
index 9e7752cc800..57329788f8a 100644
--- a/drivers/lguest/lguest_bus.c
+++ b/drivers/lguest/lguest_bus.c
@@ -201,7 +201,7 @@ static void scan_devices(void)
* "struct lguest_device_desc" array. */
static int __init lguest_bus_init(void)
{
- if (strcmp(paravirt_ops.name, "lguest") != 0)
+ if (strcmp(pv_info.name, "lguest") != 0)
return 0;
/* Devices are in a single page above top of "normal" mem */
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 65fe28860f5..68c0e3b2f0e 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -213,7 +213,8 @@ static int mmc_read_ext_csd(struct mmc_card *card)
printk(KERN_ERR "%s: unrecognised EXT_CSD structure "
"version %d\n", mmc_hostname(card->host),
ext_csd_struct);
- return -EINVAL;
+ err = -EINVAL;
+ goto out;
}
if (ext_csd_struct >= 2) {
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index 6ba98a49612..7a452c2ad1f 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -581,9 +581,7 @@ static void at91_mci_completed_command(struct at91mci_host *host)
pr_debug("Status = %08X [%08X %08X %08X %08X]\n",
status, cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3]);
- if (status & (AT91_MCI_RINDE | AT91_MCI_RDIRE | AT91_MCI_RCRCE |
- AT91_MCI_RENDE | AT91_MCI_RTOE | AT91_MCI_DCRCE |
- AT91_MCI_DTOE | AT91_MCI_OVRE | AT91_MCI_UNRE)) {
+ if (status & AT91_MCI_ERRORS) {
if ((status & AT91_MCI_RCRCE) && !(mmc_resp_type(cmd) & MMC_RSP_CRC)) {
cmd->error = 0;
}
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 5a6fdfd0f14..dae5c8d5a31 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -282,6 +282,12 @@ config LIBERTAS_CS
---help---
A driver for Marvell Libertas 8385 CompactFlash devices.
+config LIBERTAS_SDIO
+ tristate "Marvell Libertas 8385 and 8686 SDIO 802.11b/g cards"
+ depends on LIBERTAS && MMC
+ ---help---
+ A driver for Marvell Libertas 8385 and 8686 SDIO devices.
+
config LIBERTAS_DEBUG
bool "Enable full debugging output in the Libertas module."
depends on LIBERTAS
diff --git a/drivers/net/wireless/libertas/Makefile b/drivers/net/wireless/libertas/Makefile
index c469d569f09..0e2787691f9 100644
--- a/drivers/net/wireless/libertas/Makefile
+++ b/drivers/net/wireless/libertas/Makefile
@@ -7,7 +7,9 @@ libertas-objs := main.o wext.o \
usb8xxx-objs += if_usb.o
libertas_cs-objs += if_cs.o
+libertas_sdio-objs += if_sdio.o
obj-$(CONFIG_LIBERTAS) += libertas.o
obj-$(CONFIG_LIBERTAS_USB) += usb8xxx.o
obj-$(CONFIG_LIBERTAS_CS) += libertas_cs.o
+obj-$(CONFIG_LIBERTAS_SDIO) += libertas_sdio.o
diff --git a/drivers/net/wireless/libertas/defs.h b/drivers/net/wireless/libertas/defs.h
index 7c5b7f7b45d..3a0c9beefcf 100644
--- a/drivers/net/wireless/libertas/defs.h
+++ b/drivers/net/wireless/libertas/defs.h
@@ -39,6 +39,7 @@
#define LBS_DEB_FW 0x00080000
#define LBS_DEB_THREAD 0x00100000
#define LBS_DEB_HEX 0x00200000
+#define LBS_DEB_SDIO 0x00400000
extern unsigned int libertas_debug;
@@ -80,6 +81,7 @@ do { if ((libertas_debug & (grp)) == (grp)) \
#define lbs_deb_usbd(dev, fmt, args...) LBS_DEB_LL(LBS_DEB_USB, " usbd", "%s:" fmt, (dev)->bus_id, ##args)
#define lbs_deb_cs(fmt, args...) LBS_DEB_LL(LBS_DEB_CS, " cs", fmt, ##args)
#define lbs_deb_thread(fmt, args...) LBS_DEB_LL(LBS_DEB_THREAD, " thread", fmt, ##args)
+#define lbs_deb_sdio(fmt, args...) LBS_DEB_LL(LBS_DEB_SDIO, " thread", fmt, ##args)
#define lbs_pr_info(format, args...) \
printk(KERN_INFO DRV_NAME": " format, ## args)
diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
new file mode 100644
index 00000000000..a8e17076e7d
--- /dev/null
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -0,0 +1,1079 @@
+/*
+ * linux/drivers/net/wireless/libertas/if_sdio.c
+ *
+ * Copyright 2007 Pierre Ossman
+ *
+ * Inspired by if_cs.c, Copyright 2007 Holger Schurig
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This hardware has more or less no CMD53 support, so all registers
+ * must be accessed using sdio_readb()/sdio_writeb().
+ *
+ * Transfers must be in one transaction or the firmware goes bonkers.
+ * This means that the transfer must either be small enough to do a
+ * byte based transfer or it must be padded to a multiple of the
+ * current block size.
+ *
+ * As SDIO is still new to the kernel, it is unfortunately common with
+ * bugs in the host controllers related to that. One such bug is that
+ * controllers cannot do transfers that aren't a multiple of 4 bytes.
+ * If you don't have time to fix the host controller driver, you can
+ * work around the problem by modifying if_sdio_host_to_card() and
+ * if_sdio_card_to_host() to pad the data.
+ */
+
+#include <linux/moduleparam.h>
+#include <linux/firmware.h>
+#include <linux/netdevice.h>
+#include <linux/delay.h>
+#include <linux/mmc/card.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio_ids.h>
+
+#include "host.h"
+#include "decl.h"
+#include "defs.h"
+#include "dev.h"
+#include "if_sdio.h"
+
+static char *libertas_helper_name = NULL;
+module_param_named(helper_name, libertas_helper_name, charp, 0644);
+
+static char *libertas_fw_name = NULL;
+module_param_named(fw_name, libertas_fw_name, charp, 0644);
+
+static const struct sdio_device_id if_sdio_ids[] = {
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_LIBERTAS) },
+ { /* end: all zeroes */ },
+};
+
+MODULE_DEVICE_TABLE(sdio, if_sdio_ids);
+
+struct if_sdio_model {
+ int model;
+ const char *helper;
+ const char *firmware;
+};
+
+static struct if_sdio_model if_sdio_models[] = {
+ {
+ /* 8385 */
+ .model = 0x04,
+ .helper = "sd8385_helper.bin",
+ .firmware = "sd8385.bin",
+ },
+ {
+ /* 8686 */
+ .model = 0x0B,
+ .helper = "sd8686_helper.bin",
+ .firmware = "sd8686.bin",
+ },
+};
+
+struct if_sdio_packet {
+ struct if_sdio_packet *next;
+ u16 nb;
+ u8 buffer[0] __attribute__((aligned(4)));
+};
+
+struct if_sdio_card {
+ struct sdio_func *func;
+ wlan_private *priv;
+
+ int model;
+ unsigned long ioport;
+
+ const char *helper;
+ const char *firmware;
+
+ u8 buffer[65536];
+ u8 int_cause;
+ u32 event;
+
+ spinlock_t lock;
+ struct if_sdio_packet *packets;
+ struct work_struct packet_worker;
+};
+
+/********************************************************************/
+/* I/O */
+/********************************************************************/
+
+static u16 if_sdio_read_scratch(struct if_sdio_card *card, int *err)
+{
+ int ret, reg;
+ u16 scratch;
+
+ if (card->model == 0x04)
+ reg = IF_SDIO_SCRATCH_OLD;
+ else
+ reg = IF_SDIO_SCRATCH;
+
+ scratch = sdio_readb(card->func, reg, &ret);
+ if (!ret)
+ scratch |= sdio_readb(card->func, reg + 1, &ret) << 8;
+
+ if (err)
+ *err = ret;
+
+ if (ret)
+ return 0xffff;
+
+ return scratch;
+}
+
+static int if_sdio_handle_cmd(struct if_sdio_card *card,
+ u8 *buffer, unsigned size)
+{
+ int ret;
+ unsigned long flags;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ spin_lock_irqsave(&card->priv->adapter->driver_lock, flags);
+
+ if (!card->priv->adapter->cur_cmd) {
+ lbs_deb_sdio("discarding spurious response\n");
+ ret = 0;
+ goto out;
+ }
+
+ if (size > MRVDRV_SIZE_OF_CMD_BUFFER) {
+ lbs_deb_sdio("response packet too large (%d bytes)\n",
+ (int)size);
+ ret = -E2BIG;
+ goto out;
+ }
+
+ memcpy(card->priv->adapter->cur_cmd->bufvirtualaddr, buffer, size);
+ card->priv->upld_len = size;
+
+ card->int_cause |= MRVDRV_CMD_UPLD_RDY;
+
+ libertas_interrupt(card->priv->dev);
+
+ ret = 0;
+
+out:
+ spin_unlock_irqrestore(&card->priv->adapter->driver_lock, flags);
+
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+
+ return ret;
+}
+
+static int if_sdio_handle_data(struct if_sdio_card *card,
+ u8 *buffer, unsigned size)
+{
+ int ret;
+ struct sk_buff *skb;
+ char *data;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ if (size > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE) {
+ lbs_deb_sdio("response packet too large (%d bytes)\n",
+ (int)size);
+ ret = -E2BIG;
+ goto out;
+ }
+
+ skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE);
+ if (!skb) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ data = skb_put(skb, size);
+
+ memcpy(data, buffer, size);
+
+ libertas_process_rxed_packet(card->priv, skb);
+
+ ret = 0;
+
+out:
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+
+ return ret;
+}
+
+static int if_sdio_handle_event(struct if_sdio_card *card,
+ u8 *buffer, unsigned size)
+{
+ int ret;
+ unsigned long flags;
+ u32 event;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ if (card->model == 0x04) {
+ event = sdio_readb(card->func, IF_SDIO_EVENT, &ret);
+ if (ret)
+ goto out;
+ } else {
+ if (size < 4) {
+ lbs_deb_sdio("event packet too small (%d bytes)\n",
+ (int)size);
+ ret = -EINVAL;
+ goto out;
+ }
+ event = buffer[3] << 24;
+ event |= buffer[2] << 16;
+ event |= buffer[1] << 8;
+ event |= buffer[0] << 0;
+ event <<= SBI_EVENT_CAUSE_SHIFT;
+ }
+
+ spin_lock_irqsave(&card->priv->adapter->driver_lock, flags);
+
+ card->event = event;
+ card->int_cause |= MRVDRV_CARDEVENT;
+
+ libertas_interrupt(card->priv->dev);
+
+ spin_unlock_irqrestore(&card->priv->adapter->driver_lock, flags);
+
+ ret = 0;
+
+out:
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+
+ return ret;
+}
+
+static int if_sdio_card_to_host(struct if_sdio_card *card)
+{
+ int ret;
+ u8 status;
+ u16 size, type, chunk;
+ unsigned long timeout;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ size = if_sdio_read_scratch(card, &ret);
+ if (ret)
+ goto out;
+
+ if (size < 4) {
+ lbs_deb_sdio("invalid packet size (%d bytes) from firmware\n",
+ (int)size);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ timeout = jiffies + HZ;
+ while (1) {
+ status = sdio_readb(card->func, IF_SDIO_STATUS, &ret);
+ if (ret)
+ goto out;
+ if (status & IF_SDIO_IO_RDY)
+ break;
+ if (time_after(jiffies, timeout)) {
+ ret = -ETIMEDOUT;
+ goto out;
+ }
+ mdelay(1);
+ }
+
+ /*
+ * The transfer must be in one transaction or the firmware
+ * goes suicidal.
+ */
+ chunk = size;
+ if ((chunk > card->func->cur_blksize) || (chunk > 512)) {
+ chunk = (chunk + card->func->cur_blksize - 1) /
+ card->func->cur_blksize * card->func->cur_blksize;
+ }
+
+ ret = sdio_readsb(card->func, card->buffer, card->ioport, chunk);
+ if (ret)
+ goto out;
+
+ chunk = card->buffer[0] | (card->buffer[1] << 8);
+ type = card->buffer[2] | (card->buffer[3] << 8);
+
+ lbs_deb_sdio("packet of type %d and size %d bytes\n",
+ (int)type, (int)chunk);
+
+ if (chunk > size) {
+ lbs_deb_sdio("packet fragment (%d > %d)\n",
+ (int)chunk, (int)size);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (chunk < size) {
+ lbs_deb_sdio("packet fragment (%d < %d)\n",
+ (int)chunk, (int)size);
+ }
+
+ switch (type) {
+ case MVMS_CMD:
+ ret = if_sdio_handle_cmd(card, card->buffer + 4, chunk - 4);
+ if (ret)
+ goto out;
+ break;
+ case MVMS_DAT:
+ ret = if_sdio_handle_data(card, card->buffer + 4, chunk - 4);
+ if (ret)
+ goto out;
+ break;
+ case MVMS_EVENT:
+ ret = if_sdio_handle_event(card, card->buffer + 4, chunk - 4);
+ if (ret)
+ goto out;
+ break;
+ default:
+ lbs_deb_sdio("invalid type (%d) from firmware\n",
+ (int)type);
+ ret = -EINVAL;
+ goto out;
+ }
+
+out:
+ if (ret)
+ lbs_pr_err("problem fetching packet from firmware\n");
+
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+
+ return ret;
+}
+
+static void if_sdio_host_to_card_worker(struct work_struct *work)
+{
+ struct if_sdio_card *card;
+ struct if_sdio_packet *packet;
+ unsigned long timeout;
+ u8 status;
+ int ret;
+ unsigned long flags;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ card = container_of(work, struct if_sdio_card, packet_worker);
+
+ while (1) {
+ spin_lock_irqsave(&card->lock, flags);
+ packet = card->packets;
+ if (packet)
+ card->packets = packet->next;
+ spin_unlock_irqrestore(&card->lock, flags);
+
+ if (!packet)
+ break;
+
+ sdio_claim_host(card->func);
+
+ timeout = jiffies + HZ;
+ while (1) {
+ status = sdio_readb(card->func, IF_SDIO_STATUS, &ret);
+ if (ret)
+ goto release;
+ if (status & IF_SDIO_IO_RDY)
+ break;
+ if (time_after(jiffies, timeout)) {
+ ret = -ETIMEDOUT;
+ goto release;
+ }
+ mdelay(1);
+ }
+
+ ret = sdio_writesb(card->func, card->ioport,
+ packet->buffer, packet->nb);
+ if (ret)
+ goto release;
+release:
+ sdio_release_host(card->func);
+
+ kfree(packet);
+ }
+
+ lbs_deb_leave(LBS_DEB_SDIO);
+}
+
+/********************************************************************/
+/* Firmware */
+/********************************************************************/
+
+static int if_sdio_prog_helper(struct if_sdio_card *card)
+{
+ int ret;
+ u8 status;
+ const struct firmware *fw;
+ unsigned long timeout;
+ u8 *chunk_buffer;
+ u32 chunk_size;
+ u8 *firmware;
+ size_t size;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ ret = request_firmware(&fw, card->helper, &card->func->dev);
+ if (ret) {
+ lbs_pr_err("can't load helper firmware\n");
+ goto out;
+ }
+
+ chunk_buffer = kzalloc(64, GFP_KERNEL);
+ if (!chunk_buffer) {
+ ret = -ENOMEM;
+ goto release_fw;
+ }
+
+ sdio_claim_host(card->func);
+
+ ret = sdio_set_block_size(card->func, 32);
+ if (ret)
+ goto release;
+
+ firmware = fw->data;
+ size = fw->size;
+
+ while (size) {
+ timeout = jiffies + HZ;
+ while (1) {
+ status = sdio_readb(card->func, IF_SDIO_STATUS, &ret);
+ if (ret)
+ goto release;
+ if ((status & IF_SDIO_IO_RDY) &&
+ (status & IF_SDIO_DL_RDY))
+ break;
+ if (time_after(jiffies, timeout)) {
+ ret = -ETIMEDOUT;
+ goto release;
+ }
+ mdelay(1);
+ }
+
+ chunk_size = min(size, (size_t)60);
+
+ *((u32*)chunk_buffer) = cpu_to_le32(chunk_size);
+ memcpy(chunk_buffer + 4, firmware, chunk_size);
+/*
+ lbs_deb_sdio("sending %d bytes chunk\n", chunk_size);
+*/
+ ret = sdio_writesb(card->func, card->ioport,
+ chunk_buffer, 64);
+ if (ret)
+ goto release;
+
+ firmware += chunk_size;
+ size -= chunk_size;
+ }
+
+ /* an empty block marks the end of the transfer */
+ memset(chunk_buffer, 0, 4);
+ ret = sdio_writesb(card->func, card->ioport, chunk_buffer, 64);
+ if (ret)
+ goto release;
+
+ lbs_deb_sdio("waiting for helper to boot...\n");
+
+ /* wait for the helper to boot by looking at the size register */
+ timeout = jiffies + HZ;
+ while (1) {
+ u16 req_size;
+
+ req_size = sdio_readb(card->func, IF_SDIO_RD_BASE, &ret);
+ if (ret)
+ goto release;
+
+ req_size |= sdio_readb(card->func, IF_SDIO_RD_BASE + 1, &ret) << 8;
+ if (ret)
+ goto release;
+
+ if (req_size != 0)
+ break;
+
+ if (time_after(jiffies, timeout)) {
+ ret = -ETIMEDOUT;
+ goto release;
+ }
+
+ msleep(10);
+ }
+
+ ret = 0;
+
+release:
+ sdio_set_block_size(card->func, 0);
+ sdio_release_host(card->func);
+ kfree(chunk_buffer);
+release_fw:
+ release_firmware(fw);
+
+out:
+ if (ret)
+ lbs_pr_err("failed to load helper firmware\n");
+
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+
+ return ret;
+}
+
+static int if_sdio_prog_real(struct if_sdio_card *card)
+{
+ int ret;
+ u8 status;
+ const struct firmware *fw;
+ unsigned long timeout;
+ u8 *chunk_buffer;
+ u32 chunk_size;
+ u8 *firmware;
+ size_t size, req_size;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ ret = request_firmware(&fw, card->firmware, &card->func->dev);
+ if (ret) {
+ lbs_pr_err("can't load firmware\n");
+ goto out;
+ }
+
+ chunk_buffer = kzalloc(512, GFP_KERNEL);
+ if (!chunk_buffer) {
+ ret = -ENOMEM;
+ goto release_fw;
+ }
+
+ sdio_claim_host(card->func);
+
+ ret = sdio_set_block_size(card->func, 32);
+ if (ret)
+ goto release;
+
+ firmware = fw->data;
+ size = fw->size;
+
+ while (size) {
+ timeout = jiffies + HZ;
+ while (1) {
+ status = sdio_readb(card->func, IF_SDIO_STATUS, &ret);
+ if (ret)
+ goto release;
+ if ((status & IF_SDIO_IO_RDY) &&
+ (status & IF_SDIO_DL_RDY))
+ break;
+ if (time_after(jiffies, timeout)) {
+ ret = -ETIMEDOUT;
+ goto release;
+ }
+ mdelay(1);
+ }
+
+ req_size = sdio_readb(card->func, IF_SDIO_RD_BASE, &ret);
+ if (ret)
+ goto release;
+
+ req_size |= sdio_readb(card->func, IF_SDIO_RD_BASE + 1, &ret) << 8;
+ if (ret)
+ goto release;
+/*
+ lbs_deb_sdio("firmware wants %d bytes\n", (int)req_size);
+*/
+ if (req_size == 0) {
+ lbs_deb_sdio("firmware helper gave up early\n");
+ ret = -EIO;
+ goto release;
+ }
+
+ if (req_size & 0x01) {
+ lbs_deb_sdio("firmware helper signalled error\n");
+ ret = -EIO;
+ goto release;
+ }
+
+ if (req_size > size)
+ req_size = size;
+
+ while (req_size) {
+ chunk_size = min(req_size, (size_t)512);
+
+ memcpy(chunk_buffer, firmware, chunk_size);
+/*
+ lbs_deb_sdio("sending %d bytes (%d bytes) chunk\n",
+ chunk_size, (chunk_size + 31) / 32 * 32);
+*/
+ ret = sdio_writesb(card->func, card->ioport,
+ chunk_buffer, (chunk_size + 31) / 32 * 32);
+ if (ret)
+ goto release;
+
+ firmware += chunk_size;
+ size -= chunk_size;
+ req_size -= chunk_size;
+ }
+ }
+
+ ret = 0;
+
+ lbs_deb_sdio("waiting for firmware to boot...\n");
+
+ /* wait for the firmware to boot */
+ timeout = jiffies + HZ;
+ while (1) {
+ u16 scratch;
+
+ scratch = if_sdio_read_scratch(card, &ret);
+ if (ret)
+ goto release;
+
+ if (scratch == IF_SDIO_FIRMWARE_OK)
+ break;
+
+ if (time_after(jiffies, timeout)) {
+ ret = -ETIMEDOUT;
+ goto release;
+ }
+
+ msleep(10);
+ }
+
+ ret = 0;
+
+release:
+ sdio_set_block_size(card->func, 0);
+ sdio_release_host(card->func);
+ kfree(chunk_buffer);
+release_fw:
+ release_firmware(fw);
+
+out:
+ if (ret)
+ lbs_pr_err("failed to load firmware\n");
+
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+
+ return ret;
+}
+
+static int if_sdio_prog_firmware(struct if_sdio_card *card)
+{
+ int ret;
+ u16 scratch;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ sdio_claim_host(card->func);
+ scratch = if_sdio_read_scratch(card, &ret);
+ sdio_release_host(card->func);
+
+ if (ret)
+ goto out;
+
+ if (scratch == IF_SDIO_FIRMWARE_OK) {
+ lbs_deb_sdio("firmware already loaded\n");
+ goto success;
+ }
+
+ ret = if_sdio_prog_helper(card);
+ if (ret)
+ goto out;
+
+ ret = if_sdio_prog_real(card);
+ if (ret)
+ goto out;
+
+success:
+ ret = 0;
+
+out:
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+
+ return ret;
+}
+
+/*******************************************************************/
+/* Libertas callbacks */
+/*******************************************************************/
+
+static int if_sdio_host_to_card(wlan_private *priv, u8 type, u8 *buf, u16 nb)
+{
+ int ret;
+ struct if_sdio_card *card;
+ struct if_sdio_packet *packet, *cur;
+ u16 size;
+ unsigned long flags;
+
+ lbs_deb_enter_args(LBS_DEB_SDIO, "type %d, bytes %d", type, nb);
+
+ card = priv->card;
+
+ if (nb > (65536 - sizeof(struct if_sdio_packet) - 4)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ /*
+ * The transfer must be in one transaction or the firmware
+ * goes suicidal.
+ */
+ size = nb + 4;
+ if ((size > card->func->cur_blksize) || (size > 512)) {
+ size = (size + card->func->cur_blksize - 1) /
+ card->func->cur_blksize * card->func->cur_blksize;
+ }
+
+ packet = kzalloc(sizeof(struct if_sdio_packet) + size,
+ GFP_ATOMIC);
+ if (!packet) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ packet->next = NULL;
+ packet->nb = size;
+
+ /*
+ * SDIO specific header.
+ */
+ packet->buffer[0] = (nb + 4) & 0xff;
+ packet->buffer[1] = ((nb + 4) >> 8) & 0xff;
+ packet->buffer[2] = type;
+ packet->buffer[3] = 0;
+
+ memcpy(packet->buffer + 4, buf, nb);
+
+ spin_lock_irqsave(&card->lock, flags);
+
+ if (!card->packets)
+ card->packets = packet;
+ else {
+ cur = card->packets;
+ while (cur->next)
+ cur = cur->next;
+ cur->next = packet;
+ }
+
+ switch (type) {
+ case MVMS_CMD:
+ priv->dnld_sent = DNLD_CMD_SENT;
+ break;
+ case MVMS_DAT:
+ priv->dnld_sent = DNLD_DATA_SENT;
+ break;
+ default:
+ lbs_deb_sdio("unknown packet type %d\n", (int)type);
+ }
+
+ spin_unlock_irqrestore(&card->lock, flags);
+
+ schedule_work(&card->packet_worker);
+
+ ret = 0;
+
+out:
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+
+ return ret;
+}
+
+static int if_sdio_get_int_status(wlan_private *priv, u8 *ireg)
+{
+ struct if_sdio_card *card;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ card = priv->card;
+
+ *ireg = card->int_cause;
+ card->int_cause = 0;
+
+ lbs_deb_leave(LBS_DEB_SDIO);
+
+ return 0;
+}
+
+static int if_sdio_read_event_cause(wlan_private *priv)
+{
+ struct if_sdio_card *card;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ card = priv->card;
+
+ priv->adapter->eventcause = card->event;
+
+ lbs_deb_leave(LBS_DEB_SDIO);
+
+ return 0;
+}
+
+/*******************************************************************/
+/* SDIO callbacks */
+/*******************************************************************/
+
+static void if_sdio_interrupt(struct sdio_func *func)
+{
+ int ret;
+ struct if_sdio_card *card;
+ u8 cause;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ card = sdio_get_drvdata(func);
+
+ cause = sdio_readb(card->func, IF_SDIO_H_INT_STATUS, &ret);
+ if (ret)
+ goto out;
+
+ lbs_deb_sdio("interrupt: 0x%X\n", (unsigned)cause);
+
+ sdio_writeb(card->func, ~cause, IF_SDIO_H_INT_STATUS, &ret);
+ if (ret)
+ goto out;
+
+ /*
+ * Ignore the define name, this really means the card has
+ * successfully received the command.
+ */
+ if (cause & IF_SDIO_H_INT_DNLD) {
+ if ((card->priv->dnld_sent == DNLD_DATA_SENT) &&
+ (card->priv->adapter->connect_status == LIBERTAS_CONNECTED))
+ netif_wake_queue(card->priv->dev);
+ card->priv->dnld_sent = DNLD_RES_RECEIVED;
+ }
+
+ if (cause & IF_SDIO_H_INT_UPLD) {
+ ret = if_sdio_card_to_host(card);
+ if (ret)
+ goto out;
+ }
+
+ ret = 0;
+
+out:
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+}
+
+static int if_sdio_probe(struct sdio_func *func,
+ const struct sdio_device_id *id)
+{
+ struct if_sdio_card *card;
+ wlan_private *priv;
+ int ret, i;
+ unsigned int model;
+ struct if_sdio_packet *packet;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ for (i = 0;i < func->card->num_info;i++) {
+ if (sscanf(func->card->info[i],
+ "802.11 SDIO ID: %x", &model) == 1)
+ break;
+ if (sscanf(func->card->info[i],
+ "ID: %x", &model) == 1)
+ break;
+ }
+
+ if (i == func->card->num_info) {
+ lbs_pr_err("unable to identify card model\n");
+ return -ENODEV;
+ }
+
+ card = kzalloc(sizeof(struct if_sdio_card), GFP_KERNEL);
+ if (!card)
+ return -ENOMEM;
+
+ card->func = func;
+ card->model = model;
+ spin_lock_init(&card->lock);
+ INIT_WORK(&card->packet_worker, if_sdio_host_to_card_worker);
+
+ for (i = 0;i < ARRAY_SIZE(if_sdio_models);i++) {
+ if (card->model == if_sdio_models[i].model)
+ break;
+ }
+
+ if (i == ARRAY_SIZE(if_sdio_models)) {
+ lbs_pr_err("unkown card model 0x%x\n", card->model);
+ ret = -ENODEV;
+ goto free;
+ }
+
+ card->helper = if_sdio_models[i].helper;
+ card->firmware = if_sdio_models[i].firmware;
+
+ if (libertas_helper_name) {
+ lbs_deb_sdio("overriding helper firmware: %s\n",
+ libertas_helper_name);
+ card->helper = libertas_helper_name;
+ }
+
+ if (libertas_fw_name) {
+ lbs_deb_sdio("overriding firmware: %s\n", libertas_fw_name);
+ card->firmware = libertas_fw_name;
+ }
+
+ sdio_claim_host(func);
+
+ ret = sdio_enable_func(func);
+ if (ret)
+ goto release;
+
+ ret = sdio_claim_irq(func, if_sdio_interrupt);
+ if (ret)
+ goto disable;
+
+ card->ioport = sdio_readb(func, IF_SDIO_IOPORT, &ret);
+ if (ret)
+ goto release_int;
+
+ card->ioport |= sdio_readb(func, IF_SDIO_IOPORT + 1, &ret) << 8;
+ if (ret)
+ goto release_int;
+
+ card->ioport |= sdio_readb(func, IF_SDIO_IOPORT + 2, &ret) << 16;
+ if (ret)
+ goto release_int;
+
+ sdio_release_host(func);
+
+ sdio_set_drvdata(func, card);
+
+ lbs_deb_sdio("class = 0x%X, vendor = 0x%X, "
+ "device = 0x%X, model = 0x%X, ioport = 0x%X\n",
+ func->class, func->vendor, func->device,
+ model, (unsigned)card->ioport);
+
+ ret = if_sdio_prog_firmware(card);
+ if (ret)
+ goto reclaim;
+
+ priv = libertas_add_card(card, &func->dev);
+ if (!priv) {
+ ret = -ENOMEM;
+ goto reclaim;
+ }
+
+ card->priv = priv;
+
+ priv->card = card;
+ priv->hw_host_to_card = if_sdio_host_to_card;
+ priv->hw_get_int_status = if_sdio_get_int_status;
+ priv->hw_read_event_cause = if_sdio_read_event_cause;
+
+ priv->adapter->fw_ready = 1;
+
+ /*
+ * Enable interrupts now that everything is set up
+ */
+ sdio_claim_host(func);
+ sdio_writeb(func, 0x0f, IF_SDIO_H_INT_MASK, &ret);
+ sdio_release_host(func);
+ if (ret)
+ goto reclaim;
+
+ ret = libertas_start_card(priv);
+ if (ret)
+ goto err_activate_card;
+
+out:
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+
+ return ret;
+
+err_activate_card:
+ flush_scheduled_work();
+ free_netdev(priv->dev);
+ kfree(priv->adapter);
+reclaim:
+ sdio_claim_host(func);
+release_int:
+ sdio_release_irq(func);
+disable:
+ sdio_disable_func(func);
+release:
+ sdio_release_host(func);
+free:
+ while (card->packets) {
+ packet = card->packets;
+ card->packets = card->packets->next;
+ kfree(packet);
+ }
+
+ kfree(card);
+
+ goto out;
+}
+
+static void if_sdio_remove(struct sdio_func *func)
+{
+ struct if_sdio_card *card;
+ struct if_sdio_packet *packet;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ card = sdio_get_drvdata(func);
+
+ card->priv->adapter->surpriseremoved = 1;
+
+ lbs_deb_sdio("call remove card\n");
+ libertas_stop_card(card->priv);
+ libertas_remove_card(card->priv);
+
+ flush_scheduled_work();
+
+ sdio_claim_host(func);
+ sdio_release_irq(func);
+ sdio_disable_func(func);
+ sdio_release_host(func);
+
+ while (card->packets) {
+ packet = card->packets;
+ card->packets = card->packets->next;
+ kfree(packet);
+ }
+
+ kfree(card);
+
+ lbs_deb_leave(LBS_DEB_SDIO);
+}
+
+static struct sdio_driver if_sdio_driver = {
+ .name = "libertas_sdio",
+ .id_table = if_sdio_ids,
+ .probe = if_sdio_probe,
+ .remove = if_sdio_remove,
+};
+
+/*******************************************************************/
+/* Module functions */
+/*******************************************************************/
+
+static int if_sdio_init_module(void)
+{
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ printk(KERN_INFO "libertas_sdio: Libertas SDIO driver\n");
+ printk(KERN_INFO "libertas_sdio: Copyright Pierre Ossman\n");
+
+ ret = sdio_register_driver(&if_sdio_driver);
+
+ lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
+
+ return ret;
+}
+
+static void if_sdio_exit_module(void)
+{
+ lbs_deb_enter(LBS_DEB_SDIO);
+
+ sdio_unregister_driver(&if_sdio_driver);
+
+ lbs_deb_leave(LBS_DEB_SDIO);
+}
+
+module_init(if_sdio_init_module);
+module_exit(if_sdio_exit_module);
+
+MODULE_DESCRIPTION("Libertas SDIO WLAN Driver");
+MODULE_AUTHOR("Pierre Ossman");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/wireless/libertas/if_sdio.h b/drivers/net/wireless/libertas/if_sdio.h
new file mode 100644
index 00000000000..dfcaea7b168
--- /dev/null
+++ b/drivers/net/wireless/libertas/if_sdio.h
@@ -0,0 +1,45 @@
+/*
+ * linux/drivers/net/wireless/libertas/if_sdio.h
+ *
+ * Copyright 2007 Pierre Ossman
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#ifndef LIBERTAS_IF_SDIO_H
+#define LIBERTAS_IF_SDIO_H
+
+#define IF_SDIO_IOPORT 0x00
+
+#define IF_SDIO_H_INT_MASK 0x04
+#define IF_SDIO_H_INT_OFLOW 0x08
+#define IF_SDIO_H_INT_UFLOW 0x04
+#define IF_SDIO_H_INT_DNLD 0x02
+#define IF_SDIO_H_INT_UPLD 0x01
+
+#define IF_SDIO_H_INT_STATUS 0x05
+#define IF_SDIO_H_INT_RSR 0x06
+#define IF_SDIO_H_INT_STATUS2 0x07
+
+#define IF_SDIO_RD_BASE 0x10
+
+#define IF_SDIO_STATUS 0x20
+#define IF_SDIO_IO_RDY 0x08
+#define IF_SDIO_CIS_RDY 0x04
+#define IF_SDIO_UL_RDY 0x02
+#define IF_SDIO_DL_RDY 0x01
+
+#define IF_SDIO_C_INT_MASK 0x24
+#define IF_SDIO_C_INT_STATUS 0x28
+#define IF_SDIO_C_INT_RSR 0x2C
+
+#define IF_SDIO_SCRATCH 0x34
+#define IF_SDIO_SCRATCH_OLD 0x80fe
+#define IF_SDIO_FIRMWARE_OK 0xfedc
+
+#define IF_SDIO_EVENT 0x80fc
+
+#endif
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 0c86be71bb3..aac8a02cbe8 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -764,6 +764,8 @@ struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask)
if (unlikely(!sgl))
goto enomem;
+ memset(sgl, 0, sizeof(*sgl) * sgp->size);
+
/*
* first loop through, set initial index and return value
*/
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index efe474e2cc3..b3bf4ecc983 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -15,7 +15,6 @@ config VGASTATE
config VIDEO_OUTPUT_CONTROL
tristate "Lowlevel video output switch controls"
- default m
help
This framework adds support for low-level control of the video
output switch.
generated by cgit (git 2.34.1) at 2024-11-11 14:01:39 +0000