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authorHante Meuleman <meuleman@broadcom.com>2014-07-30 13:20:04 +0200
committerJohn W. Linville <linville@tuxdriver.com>2014-07-31 13:45:26 -0400
commit9e37f045d5e7f33450515f237c2f6f6bfee137dd (patch)
tree2be1781642b4c9d4df1a0a2fb78429fd0cc418f7 /drivers/net/wireless
parent9a1bb60250d2b6b546a62e5b73f55c4f1d22016b (diff)
downloadlinux-9e37f045d5e7f33450515f237c2f6f6bfee137dd.tar.gz
brcmfmac: Adding PCIe bus layer support.
This patch will add PCIe support. With this patch the PCIe chipsets 43602, 4354, 4356, 43567, and 43570 will be supported. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/brcm80211/Kconfig10
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/Makefile2
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/chip.c8
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h1
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h1
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c7
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/pcie.c1811
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/pcie.h29
-rw-r--r--drivers/net/wireless/brcm80211/include/brcm_hw_ids.h11
9 files changed, 1880 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/Kconfig b/drivers/net/wireless/brcm80211/Kconfig
index fcfed6b99a62..b8e2561ea645 100644
--- a/drivers/net/wireless/brcm80211/Kconfig
+++ b/drivers/net/wireless/brcm80211/Kconfig
@@ -48,6 +48,16 @@ config BRCMFMAC_USB
IEEE802.11n embedded FullMAC WLAN driver. Say Y if you want to
use the driver for an USB wireless card.
+config BRCMFMAC_PCIE
+ bool "PCIE bus interface support for FullMAC driver"
+ depends on BRCMFMAC
+ depends on PCI
+ select FW_LOADER
+ ---help---
+ This option enables the PCIE bus interface support for Broadcom
+ IEEE802.11ac embedded FullMAC WLAN driver. Say Y if you want to
+ use the driver for an PCIE wireless card.
+
config BRCM_TRACING
bool "Broadcom device tracing"
depends on BRCMSMAC || BRCMFMAC
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/Makefile b/drivers/net/wireless/brcm80211/brcmfmac/Makefile
index 0447a47fe237..c35adf4bc70b 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/Makefile
+++ b/drivers/net/wireless/brcm80211/brcmfmac/Makefile
@@ -45,6 +45,8 @@ brcmfmac-$(CONFIG_BRCMFMAC_SDIO) += \
bcmsdh.o
brcmfmac-$(CONFIG_BRCMFMAC_USB) += \
usb.o
+brcmfmac-$(CONFIG_BRCMFMAC_PCIE) += \
+ pcie.o
brcmfmac-$(CONFIG_BRCMDBG) += \
dhd_dbg.o
brcmfmac-$(CONFIG_BRCM_TRACING) += \
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/brcm80211/brcmfmac/chip.c
index 96800db0536b..95efde868db8 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/chip.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/chip.c
@@ -506,9 +506,17 @@ static void brcmf_chip_get_raminfo(struct brcmf_chip_priv *ci)
break;
case BRCM_CC_4339_CHIP_ID:
case BRCM_CC_4354_CHIP_ID:
+ case BRCM_CC_4356_CHIP_ID:
+ case BRCM_CC_43567_CHIP_ID:
+ case BRCM_CC_43569_CHIP_ID:
+ case BRCM_CC_43570_CHIP_ID:
ci->pub.ramsize = 0xc0000;
ci->pub.rambase = 0x180000;
break;
+ case BRCM_CC_43602_CHIP_ID:
+ ci->pub.ramsize = 0xf0000;
+ ci->pub.rambase = 0x180000;
+ break;
default:
brcmf_err("unknown chip: %s\n", ci->pub.name);
break;
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
index 4053368eb743..3122b86050a1 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
@@ -120,6 +120,7 @@ struct brcmf_bus {
union {
struct brcmf_sdio_dev *sdio;
struct brcmf_usbdev *usb;
+ struct brcmf_pciedev *pcie;
} bus_priv;
enum brcmf_bus_protocol_type proto_type;
struct device *dev;
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h
index 6804eeca7688..dec40d316c82 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h
@@ -36,6 +36,7 @@
#define BRCMF_BCDC_VAL 0x00010000
#define BRCMF_SDIO_VAL 0x00020000
#define BRCMF_MSGBUF_VAL 0x00040000
+#define BRCMF_PCIE_VAL 0x00080000
/* set default print format */
#undef pr_fmt
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
index 7e14e5fa4744..b456bcb7f916 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -32,6 +32,7 @@
#include "fwsignal.h"
#include "feature.h"
#include "proto.h"
+#include "pcie.h"
MODULE_AUTHOR("Broadcom Corporation");
MODULE_DESCRIPTION("Broadcom 802.11 wireless LAN fullmac driver.");
@@ -1084,6 +1085,9 @@ static void brcmf_driver_register(struct work_struct *work)
#ifdef CONFIG_BRCMFMAC_USB
brcmf_usb_register();
#endif
+#ifdef CONFIG_BRCMFMAC_PCIE
+ brcmf_pcie_register();
+#endif
}
static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register);
@@ -1109,6 +1113,9 @@ static void __exit brcmfmac_module_exit(void)
#ifdef CONFIG_BRCMFMAC_USB
brcmf_usb_exit();
#endif
+#ifdef CONFIG_BRCMFMAC_PCIE
+ brcmf_pcie_exit();
+#endif
brcmf_debugfs_exit();
}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
new file mode 100644
index 000000000000..89be96d3b6e9
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
@@ -0,0 +1,1811 @@
+/* Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/firmware.h>
+#include <linux/pci.h>
+#include <linux/vmalloc.h>
+#include <linux/delay.h>
+#include <linux/unaligned/access_ok.h>
+#include <linux/interrupt.h>
+#include <linux/bcma/bcma.h>
+#include <linux/sched.h>
+
+#include <soc.h>
+#include <chipcommon.h>
+#include <brcmu_utils.h>
+#include <brcmu_wifi.h>
+#include <brcm_hw_ids.h>
+
+#include "dhd_dbg.h"
+#include "dhd_bus.h"
+#include "commonring.h"
+#include "msgbuf.h"
+#include "pcie.h"
+#include "firmware.h"
+#include "chip.h"
+
+
+enum brcmf_pcie_state {
+ BRCMFMAC_PCIE_STATE_DOWN,
+ BRCMFMAC_PCIE_STATE_UP
+};
+
+
+#define BRCMF_PCIE_43602_FW_NAME "brcm/brcmfmac43602-pcie.bin"
+#define BRCMF_PCIE_43602_NVRAM_NAME "brcm/brcmfmac43602-pcie.txt"
+#define BRCMF_PCIE_4354_FW_NAME "brcm/brcmfmac4354-pcie.bin"
+#define BRCMF_PCIE_4354_NVRAM_NAME "brcm/brcmfmac4354-pcie.txt"
+#define BRCMF_PCIE_4356_FW_NAME "brcm/brcmfmac4356-pcie.bin"
+#define BRCMF_PCIE_4356_NVRAM_NAME "brcm/brcmfmac4356-pcie.txt"
+#define BRCMF_PCIE_43570_FW_NAME "brcm/brcmfmac43570-pcie.bin"
+#define BRCMF_PCIE_43570_NVRAM_NAME "brcm/brcmfmac43570-pcie.txt"
+
+#define BRCMF_PCIE_FW_UP_TIMEOUT 2000 /* msec */
+
+#define BRCMF_PCIE_TCM_MAP_SIZE (4096 * 1024)
+#define BRCMF_PCIE_REG_MAP_SIZE (32 * 1024)
+
+/* backplane addres space accessed by BAR0 */
+#define BRCMF_PCIE_BAR0_WINDOW 0x80
+#define BRCMF_PCIE_BAR0_REG_SIZE 0x1000
+#define BRCMF_PCIE_BAR0_WRAPPERBASE 0x70
+
+#define BRCMF_PCIE_BAR0_WRAPBASE_DMP_OFFSET 0x1000
+#define BRCMF_PCIE_BARO_PCIE_ENUM_OFFSET 0x2000
+
+#define BRCMF_PCIE_ARMCR4REG_BANKIDX 0x40
+#define BRCMF_PCIE_ARMCR4REG_BANKPDA 0x4C
+
+#define BRCMF_PCIE_REG_INTSTATUS 0x90
+#define BRCMF_PCIE_REG_INTMASK 0x94
+#define BRCMF_PCIE_REG_SBMBX 0x98
+
+#define BRCMF_PCIE_PCIE2REG_INTMASK 0x24
+#define BRCMF_PCIE_PCIE2REG_MAILBOXINT 0x48
+#define BRCMF_PCIE_PCIE2REG_MAILBOXMASK 0x4C
+#define BRCMF_PCIE_PCIE2REG_CONFIGADDR 0x120
+#define BRCMF_PCIE_PCIE2REG_CONFIGDATA 0x124
+#define BRCMF_PCIE_PCIE2REG_H2D_MAILBOX 0x140
+
+#define BRCMF_PCIE_GENREV1 1
+#define BRCMF_PCIE_GENREV2 2
+
+#define BRCMF_PCIE2_INTA 0x01
+#define BRCMF_PCIE2_INTB 0x02
+
+#define BRCMF_PCIE_INT_0 0x01
+#define BRCMF_PCIE_INT_1 0x02
+#define BRCMF_PCIE_INT_DEF (BRCMF_PCIE_INT_0 | \
+ BRCMF_PCIE_INT_1)
+
+#define BRCMF_PCIE_MB_INT_FN0_0 0x0100
+#define BRCMF_PCIE_MB_INT_FN0_1 0x0200
+#define BRCMF_PCIE_MB_INT_D2H0_DB0 0x10000
+#define BRCMF_PCIE_MB_INT_D2H0_DB1 0x20000
+#define BRCMF_PCIE_MB_INT_D2H1_DB0 0x40000
+#define BRCMF_PCIE_MB_INT_D2H1_DB1 0x80000
+#define BRCMF_PCIE_MB_INT_D2H2_DB0 0x100000
+#define BRCMF_PCIE_MB_INT_D2H2_DB1 0x200000
+#define BRCMF_PCIE_MB_INT_D2H3_DB0 0x400000
+#define BRCMF_PCIE_MB_INT_D2H3_DB1 0x800000
+
+#define BRCMF_PCIE_MB_INT_D2H_DB (BRCMF_PCIE_MB_INT_D2H0_DB0 | \
+ BRCMF_PCIE_MB_INT_D2H0_DB1 | \
+ BRCMF_PCIE_MB_INT_D2H1_DB0 | \
+ BRCMF_PCIE_MB_INT_D2H1_DB1 | \
+ BRCMF_PCIE_MB_INT_D2H2_DB0 | \
+ BRCMF_PCIE_MB_INT_D2H2_DB1 | \
+ BRCMF_PCIE_MB_INT_D2H3_DB0 | \
+ BRCMF_PCIE_MB_INT_D2H3_DB1)
+
+#define BRCMF_PCIE_MIN_SHARED_VERSION 4
+#define BRCMF_PCIE_MAX_SHARED_VERSION 5
+#define BRCMF_PCIE_SHARED_VERSION_MASK 0x00FF
+#define BRCMF_PCIE_SHARED_TXPUSH_SUPPORT 0x4000
+
+#define BRCMF_PCIE_FLAGS_HTOD_SPLIT 0x4000
+#define BRCMF_PCIE_FLAGS_DTOH_SPLIT 0x8000
+
+#define BRCMF_SHARED_MAX_RXBUFPOST_OFFSET 34
+#define BRCMF_SHARED_RING_BASE_OFFSET 52
+#define BRCMF_SHARED_RX_DATAOFFSET_OFFSET 36
+#define BRCMF_SHARED_CONSOLE_ADDR_OFFSET 20
+#define BRCMF_SHARED_HTOD_MB_DATA_ADDR_OFFSET 40
+#define BRCMF_SHARED_DTOH_MB_DATA_ADDR_OFFSET 44
+#define BRCMF_SHARED_RING_INFO_ADDR_OFFSET 48
+#define BRCMF_SHARED_DMA_SCRATCH_LEN_OFFSET 52
+#define BRCMF_SHARED_DMA_SCRATCH_ADDR_OFFSET 56
+#define BRCMF_SHARED_DMA_RINGUPD_LEN_OFFSET 64
+#define BRCMF_SHARED_DMA_RINGUPD_ADDR_OFFSET 68
+
+#define BRCMF_RING_H2D_RING_COUNT_OFFSET 0
+#define BRCMF_RING_D2H_RING_COUNT_OFFSET 1
+#define BRCMF_RING_H2D_RING_MEM_OFFSET 4
+#define BRCMF_RING_H2D_RING_STATE_OFFSET 8
+
+#define BRCMF_RING_MEM_BASE_ADDR_OFFSET 8
+#define BRCMF_RING_MAX_ITEM_OFFSET 4
+#define BRCMF_RING_LEN_ITEMS_OFFSET 6
+#define BRCMF_RING_MEM_SZ 16
+#define BRCMF_RING_STATE_SZ 8
+
+#define BRCMF_SHARED_RING_H2D_W_IDX_PTR_OFFSET 4
+#define BRCMF_SHARED_RING_H2D_R_IDX_PTR_OFFSET 8
+#define BRCMF_SHARED_RING_D2H_W_IDX_PTR_OFFSET 12
+#define BRCMF_SHARED_RING_D2H_R_IDX_PTR_OFFSET 16
+#define BRCMF_SHARED_RING_TCM_MEMLOC_OFFSET 0
+#define BRCMF_SHARED_RING_MAX_SUB_QUEUES 52
+
+#define BRCMF_DEF_MAX_RXBUFPOST 255
+
+#define BRCMF_CONSOLE_BUFADDR_OFFSET 8
+#define BRCMF_CONSOLE_BUFSIZE_OFFSET 12
+#define BRCMF_CONSOLE_WRITEIDX_OFFSET 16
+
+#define BRCMF_DMA_D2H_SCRATCH_BUF_LEN 8
+#define BRCMF_DMA_D2H_RINGUPD_BUF_LEN 1024
+
+#define BRCMF_D2H_DEV_D3_ACK 0x00000001
+#define BRCMF_D2H_DEV_DS_ENTER_REQ 0x00000002
+#define BRCMF_D2H_DEV_DS_EXIT_NOTE 0x00000004
+
+#define BRCMF_H2D_HOST_D3_INFORM 0x00000001
+#define BRCMF_H2D_HOST_DS_ACK 0x00000002
+
+#define BRCMF_PCIE_MBDATA_TIMEOUT 2000
+
+
+MODULE_FIRMWARE(BRCMF_PCIE_43602_FW_NAME);
+MODULE_FIRMWARE(BRCMF_PCIE_43602_NVRAM_NAME);
+MODULE_FIRMWARE(BRCMF_PCIE_4354_FW_NAME);
+MODULE_FIRMWARE(BRCMF_PCIE_4354_NVRAM_NAME);
+MODULE_FIRMWARE(BRCMF_PCIE_43570_FW_NAME);
+MODULE_FIRMWARE(BRCMF_PCIE_43570_NVRAM_NAME);
+
+
+struct brcmf_pcie_console {
+ u32 base_addr;
+ u32 buf_addr;
+ u32 bufsize;
+ u32 read_idx;
+ u8 log_str[256];
+ u8 log_idx;
+};
+
+struct brcmf_pcie_shared_info {
+ u32 tcm_base_address;
+ u32 flags;
+ struct brcmf_pcie_ringbuf *commonrings[BRCMF_NROF_COMMON_MSGRINGS];
+ struct brcmf_pcie_ringbuf *flowrings;
+ u16 max_rxbufpost;
+ u32 nrof_flowrings;
+ u32 rx_dataoffset;
+ u32 htod_mb_data_addr;
+ u32 dtoh_mb_data_addr;
+ u32 ring_info_addr;
+ struct brcmf_pcie_console console;
+ void *scratch;
+ dma_addr_t scratch_dmahandle;
+ void *ringupd;
+ dma_addr_t ringupd_dmahandle;
+};
+
+struct brcmf_pcie_core_info {
+ u32 base;
+ u32 wrapbase;
+};
+
+struct brcmf_pciedev_info {
+ enum brcmf_pcie_state state;
+ bool in_irq;
+ bool irq_requested;
+ struct pci_dev *pdev;
+ char fw_name[BRCMF_FW_PATH_LEN + BRCMF_FW_NAME_LEN];
+ char nvram_name[BRCMF_FW_PATH_LEN + BRCMF_FW_NAME_LEN];
+ void __iomem *regs;
+ void __iomem *tcm;
+ u32 tcm_size;
+ u32 ram_base;
+ u32 ram_size;
+ struct brcmf_chip *ci;
+ u32 coreid;
+ u32 generic_corerev;
+ struct brcmf_pcie_shared_info shared;
+ void (*ringbell)(struct brcmf_pciedev_info *devinfo);
+ wait_queue_head_t mbdata_resp_wait;
+ bool mbdata_completed;
+ bool irq_allocated;
+};
+
+struct brcmf_pcie_ringbuf {
+ struct brcmf_commonring commonring;
+ dma_addr_t dma_handle;
+ u32 w_idx_addr;
+ u32 r_idx_addr;
+ struct brcmf_pciedev_info *devinfo;
+ u8 id;
+};
+
+
+static const u32 brcmf_ring_max_item[BRCMF_NROF_COMMON_MSGRINGS] = {
+ BRCMF_H2D_MSGRING_CONTROL_SUBMIT_MAX_ITEM,
+ BRCMF_H2D_MSGRING_RXPOST_SUBMIT_MAX_ITEM,
+ BRCMF_D2H_MSGRING_CONTROL_COMPLETE_MAX_ITEM,
+ BRCMF_D2H_MSGRING_TX_COMPLETE_MAX_ITEM,
+ BRCMF_D2H_MSGRING_RX_COMPLETE_MAX_ITEM
+};
+
+static const u32 brcmf_ring_itemsize[BRCMF_NROF_COMMON_MSGRINGS] = {
+ BRCMF_H2D_MSGRING_CONTROL_SUBMIT_ITEMSIZE,
+ BRCMF_H2D_MSGRING_RXPOST_SUBMIT_ITEMSIZE,
+ BRCMF_D2H_MSGRING_CONTROL_COMPLETE_ITEMSIZE,
+ BRCMF_D2H_MSGRING_TX_COMPLETE_ITEMSIZE,
+ BRCMF_D2H_MSGRING_RX_COMPLETE_ITEMSIZE
+};
+
+
+/* dma flushing needs implementation for mips and arm platforms. Should
+ * be put in util. Note, this is not real flushing. It is virtual non
+ * cached memory. Only write buffers should have to be drained. Though
+ * this may be different depending on platform......
+ */
+#define brcmf_dma_flush(addr, len)
+#define brcmf_dma_invalidate_cache(addr, len)
+
+
+static u32
+brcmf_pcie_read_reg32(struct brcmf_pciedev_info *devinfo, u32 reg_offset)
+{
+ void __iomem *address = devinfo->regs + reg_offset;
+
+ return (ioread32(address));
+}
+
+
+static void
+brcmf_pcie_write_reg32(struct brcmf_pciedev_info *devinfo, u32 reg_offset,
+ u32 value)
+{
+ void __iomem *address = devinfo->regs + reg_offset;
+
+ iowrite32(value, address);
+}
+
+
+static u8
+brcmf_pcie_read_tcm8(struct brcmf_pciedev_info *devinfo, u32 mem_offset)
+{
+ void __iomem *address = devinfo->tcm + mem_offset;
+
+ return (ioread8(address));
+}
+
+
+static u16
+brcmf_pcie_read_tcm16(struct brcmf_pciedev_info *devinfo, u32 mem_offset)
+{
+ void __iomem *address = devinfo->tcm + mem_offset;
+
+ return (ioread16(address));
+}
+
+
+static void
+brcmf_pcie_write_tcm16(struct brcmf_pciedev_info *devinfo, u32 mem_offset,
+ u16 value)
+{
+ void __iomem *address = devinfo->tcm + mem_offset;
+
+ iowrite16(value, address);
+}
+
+
+static u32
+brcmf_pcie_read_tcm32(struct brcmf_pciedev_info *devinfo, u32 mem_offset)
+{
+ void __iomem *address = devinfo->tcm + mem_offset;
+
+ return (ioread32(address));
+}
+
+
+static void
+brcmf_pcie_write_tcm32(struct brcmf_pciedev_info *devinfo, u32 mem_offset,
+ u32 value)
+{
+ void __iomem *address = devinfo->tcm + mem_offset;
+
+ iowrite32(value, address);
+}
+
+
+static u32
+brcmf_pcie_read_ram32(struct brcmf_pciedev_info *devinfo, u32 mem_offset)
+{
+ void __iomem *addr = devinfo->tcm + devinfo->ci->rambase + mem_offset;
+
+ return (ioread32(addr));
+}
+
+
+static void
+brcmf_pcie_write_ram32(struct brcmf_pciedev_info *devinfo, u32 mem_offset,
+ u32 value)
+{
+ void __iomem *addr = devinfo->tcm + devinfo->ci->rambase + mem_offset;
+
+ iowrite32(value, addr);
+}
+
+
+static void
+brcmf_pcie_copy_mem_todev(struct brcmf_pciedev_info *devinfo, u32 mem_offset,
+ void *srcaddr, u32 len)
+{
+ void __iomem *address = devinfo->tcm + mem_offset;
+ __le32 *src32;
+ __le16 *src16;
+ u8 *src8;
+
+ if (((ulong)address & 4) || ((ulong)srcaddr & 4) || (len & 4)) {
+ if (((ulong)address & 2) || ((ulong)srcaddr & 2) || (len & 2)) {
+ src8 = (u8 *)srcaddr;
+ while (len) {
+ iowrite8(*src8, address);
+ address++;
+ src8++;
+ len--;
+ }
+ } else {
+ len = len / 2;
+ src16 = (__le16 *)srcaddr;
+ while (len) {
+ iowrite16(le16_to_cpu(*src16), address);
+ address += 2;
+ src16++;
+ len--;
+ }
+ }
+ } else {
+ len = len / 4;
+ src32 = (__le32 *)srcaddr;
+ while (len) {
+ iowrite32(le32_to_cpu(*src32), address);
+ address += 4;
+ src32++;
+ len--;
+ }
+ }
+}
+
+
+#define WRITECC32(devinfo, reg, value) brcmf_pcie_write_reg32(devinfo, \
+ CHIPCREGOFFS(reg), value)
+
+
+static void
+brcmf_pcie_select_core(struct brcmf_pciedev_info *devinfo, u16 coreid)
+{
+ const struct pci_dev *pdev = devinfo->pdev;
+ struct brcmf_core *core;
+ u32 bar0_win;
+
+ core = brcmf_chip_get_core(devinfo->ci, coreid);
+ if (core) {
+ bar0_win = core->base;
+ pci_write_config_dword(pdev, BRCMF_PCIE_BAR0_WINDOW, bar0_win);
+ if (pci_read_config_dword(pdev, BRCMF_PCIE_BAR0_WINDOW,
+ &bar0_win) == 0) {
+ if (bar0_win != core->base) {
+ bar0_win = core->base;
+ pci_write_config_dword(pdev,
+ BRCMF_PCIE_BAR0_WINDOW,
+ bar0_win);
+ }
+ }
+ } else {
+ brcmf_err("Unsupported core selected %x\n", coreid);
+ }
+}
+
+
+static void brcmf_pcie_detach(struct brcmf_pciedev_info *devinfo)
+{
+ u16 cfg_offset[] = { 0x4, 0x4C, 0x58, 0x5C, 0x60, 0x64, 0xDC, 0x228,
+ 0x248, 0x4e0, 0x4f4 };
+ u32 i;
+ u32 val;
+
+ if (!devinfo->ci)
+ return;
+
+ brcmf_pcie_select_core(devinfo, BCMA_CORE_CHIPCOMMON);
+ WRITECC32(devinfo, watchdog, 0x4e0);
+
+ msleep(100);
+
+ brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2);
+ for (i = 0; i < ARRAY_SIZE(cfg_offset); i++) {
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGADDR,
+ cfg_offset[i]);
+ val = brcmf_pcie_read_reg32(devinfo,
+ BRCMF_PCIE_PCIE2REG_CONFIGDATA);
+ brcmf_dbg(PCIE, "config offset 0x%04x, value 0x%04x\n",
+ cfg_offset[i], val);
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGDATA,
+ val);
+ }
+}
+
+
+static void brcmf_pcie_attach(struct brcmf_pciedev_info *devinfo)
+{
+ u32 config;
+
+ brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2);
+ if (brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_INTMASK) != 0)
+ brcmf_pcie_detach(devinfo);
+ /* BAR1 window may not be sized properly */
+ brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2);
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGADDR, 0x4e0);
+ config = brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGDATA);
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGDATA, config);
+
+ device_wakeup_enable(&devinfo->pdev->dev);
+}
+
+
+static int brcmf_pcie_enter_download_state(struct brcmf_pciedev_info *devinfo)
+{
+ brcmf_chip_enter_download(devinfo->ci);
+
+ if (devinfo->ci->chip == BRCM_CC_43602_CHIP_ID) {
+ brcmf_pcie_select_core(devinfo, BCMA_CORE_ARM_CR4);
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_ARMCR4REG_BANKIDX,
+ 5);
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_ARMCR4REG_BANKPDA,
+ 0);
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_ARMCR4REG_BANKIDX,
+ 7);
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_ARMCR4REG_BANKPDA,
+ 0);
+ }
+ return 0;
+}
+
+
+static int brcmf_pcie_exit_download_state(struct brcmf_pciedev_info *devinfo,
+ u32 resetintr)
+{
+ struct brcmf_core *core;
+
+ if (devinfo->ci->chip == BRCM_CC_43602_CHIP_ID) {
+ core = brcmf_chip_get_core(devinfo->ci, BCMA_CORE_INTERNAL_MEM);
+ brcmf_chip_resetcore(core, 0, 0, 0);
+ }
+
+ return !brcmf_chip_exit_download(devinfo->ci, resetintr);
+}
+
+
+static void
+brcmf_pcie_send_mb_data(struct brcmf_pciedev_info *devinfo, u32 htod_mb_data)
+{
+ struct brcmf_pcie_shared_info *shared;
+ u32 addr;
+ u32 cur_htod_mb_data;
+ u32 i;
+
+ shared = &devinfo->shared;
+ addr = shared->htod_mb_data_addr;
+ cur_htod_mb_data = brcmf_pcie_read_tcm32(devinfo, addr);
+
+ if (cur_htod_mb_data != 0)
+ brcmf_dbg(PCIE, "MB transaction is already pending 0x%04x\n",
+ cur_htod_mb_data);
+
+ i = 0;
+ while (cur_htod_mb_data != 0) {
+ msleep(10);
+ i++;
+ if (i > 100)
+ break;
+ cur_htod_mb_data = brcmf_pcie_read_tcm32(devinfo, addr);
+ }
+
+ brcmf_pcie_write_tcm32(devinfo, addr, htod_mb_data);
+ pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_SBMBX, 1);
+ pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_SBMBX, 1);
+}
+
+
+static void brcmf_pcie_handle_mb_data(struct brcmf_pciedev_info *devinfo)
+{
+ struct brcmf_pcie_shared_info *shared;
+ u32 addr;
+ u32 dtoh_mb_data;
+
+ shared = &devinfo->shared;
+ addr = shared->dtoh_mb_data_addr;
+ dtoh_mb_data = brcmf_pcie_read_tcm32(devinfo, addr);
+
+ if (!dtoh_mb_data)
+ return;
+
+ brcmf_pcie_write_tcm32(devinfo, addr, 0);
+
+ brcmf_dbg(PCIE, "D2H_MB_DATA: 0x%04x\n", dtoh_mb_data);
+ if (dtoh_mb_data & BRCMF_D2H_DEV_DS_ENTER_REQ) {
+ brcmf_dbg(PCIE, "D2H_MB_DATA: DEEP SLEEP REQ\n");
+ brcmf_pcie_send_mb_data(devinfo, BRCMF_H2D_HOST_DS_ACK);
+ brcmf_dbg(PCIE, "D2H_MB_DATA: sent DEEP SLEEP ACK\n");
+ }
+ if (dtoh_mb_data & BRCMF_D2H_DEV_DS_EXIT_NOTE)
+ brcmf_dbg(PCIE, "D2H_MB_DATA: DEEP SLEEP EXIT\n");
+ if (dtoh_mb_data & BRCMF_D2H_DEV_D3_ACK)
+ brcmf_dbg(PCIE, "D2H_MB_DATA: D3 ACK\n");
+ if (waitqueue_active(&devinfo->mbdata_resp_wait)) {
+ devinfo->mbdata_completed = true;
+ wake_up(&devinfo->mbdata_resp_wait);
+ }
+}
+
+
+static void brcmf_pcie_bus_console_init(struct brcmf_pciedev_info *devinfo)
+{
+ struct brcmf_pcie_shared_info *shared;
+ struct brcmf_pcie_console *console;
+ u32 addr;
+
+ shared = &devinfo->shared;
+ console = &shared->console;
+ addr = shared->tcm_base_address + BRCMF_SHARED_CONSOLE_ADDR_OFFSET;
+ console->base_addr = brcmf_pcie_read_tcm32(devinfo, addr);
+
+ addr = console->base_addr + BRCMF_CONSOLE_BUFADDR_OFFSET;
+ console->buf_addr = brcmf_pcie_read_tcm32(devinfo, addr);
+ addr = console->base_addr + BRCMF_CONSOLE_BUFSIZE_OFFSET;
+ console->bufsize = brcmf_pcie_read_tcm32(devinfo, addr);
+
+ brcmf_dbg(PCIE, "Console: base %x, buf %x, size %d\n",
+ console->base_addr, console->buf_addr, console->bufsize);
+}
+
+
+static void brcmf_pcie_bus_console_read(struct brcmf_pciedev_info *devinfo)
+{
+ struct brcmf_pcie_console *console;
+ u32 addr;
+ u8 ch;
+ u32 newidx;
+
+ console = &devinfo->shared.console;
+ addr = console->base_addr + BRCMF_CONSOLE_WRITEIDX_OFFSET;
+ newidx = brcmf_pcie_read_tcm32(devinfo, addr);
+ while (newidx != console->read_idx) {
+ addr = console->buf_addr + console->read_idx;
+ ch = brcmf_pcie_read_tcm8(devinfo, addr);
+ console->read_idx++;
+ if (console->read_idx == console->bufsize)
+ console->read_idx = 0;
+ if (ch == '\r')
+ continue;
+ console->log_str[console->log_idx] = ch;
+ console->log_idx++;
+ if ((ch != '\n') &&
+ (console->log_idx == (sizeof(console->log_str) - 2))) {
+ ch = '\n';
+ console->log_str[console->log_idx] = ch;
+ console->log_idx++;
+ }
+
+ if (ch == '\n') {
+ console->log_str[console->log_idx] = 0;
+ brcmf_dbg(PCIE, "CONSOLE: %s\n", console->log_str);
+ console->log_idx = 0;
+ }
+ }
+}
+
+
+static __used void brcmf_pcie_ringbell_v1(struct brcmf_pciedev_info *devinfo)
+{
+ u32 reg_value;
+
+ brcmf_dbg(PCIE, "RING !\n");
+ reg_value = brcmf_pcie_read_reg32(devinfo,
+ BRCMF_PCIE_PCIE2REG_MAILBOXINT);
+ reg_value |= BRCMF_PCIE2_INTB;
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT,
+ reg_value);
+}
+
+
+static void brcmf_pcie_ringbell_v2(struct brcmf_pciedev_info *devinfo)
+{
+ brcmf_dbg(PCIE, "RING !\n");
+ /* Any arbitrary value will do, lets use 1 */
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_H2D_MAILBOX, 1);
+}
+
+
+static void brcmf_pcie_intr_disable(struct brcmf_pciedev_info *devinfo)
+{
+ if (devinfo->generic_corerev == BRCMF_PCIE_GENREV1)
+ pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_INTMASK,
+ 0);
+ else
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXMASK,
+ 0);
+}
+
+
+static void brcmf_pcie_intr_enable(struct brcmf_pciedev_info *devinfo)
+{
+ if (devinfo->generic_corerev == BRCMF_PCIE_GENREV1)
+ pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_INTMASK,
+ BRCMF_PCIE_INT_DEF);
+ else
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXMASK,
+ BRCMF_PCIE_MB_INT_D2H_DB |
+ BRCMF_PCIE_MB_INT_FN0_0 |
+ BRCMF_PCIE_MB_INT_FN0_1);
+}
+
+
+static irqreturn_t brcmf_pcie_quick_check_isr_v1(int irq, void *arg)
+{
+ struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)arg;
+ u32 status;
+
+ status = 0;
+ pci_read_config_dword(devinfo->pdev, BRCMF_PCIE_REG_INTSTATUS, &status);
+ if (status) {
+ brcmf_pcie_intr_disable(devinfo);
+ brcmf_dbg(PCIE, "Enter\n");
+ return IRQ_WAKE_THREAD;
+ }
+ return IRQ_NONE;
+}
+
+
+static irqreturn_t brcmf_pcie_quick_check_isr_v2(int irq, void *arg)
+{
+ struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)arg;
+
+ if (brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT)) {
+ brcmf_pcie_intr_disable(devinfo);
+ brcmf_dbg(PCIE, "Enter\n");
+ return IRQ_WAKE_THREAD;
+ }
+ return IRQ_NONE;
+}
+
+
+static irqreturn_t brcmf_pcie_isr_thread_v1(int irq, void *arg)
+{
+ struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)arg;
+ const struct pci_dev *pdev = devinfo->pdev;
+ u32 status;
+
+ devinfo->in_irq = true;
+ status = 0;
+ pci_read_config_dword(pdev, BRCMF_PCIE_REG_INTSTATUS, &status);
+ brcmf_dbg(PCIE, "Enter %x\n", status);
+ if (status) {
+ pci_write_config_dword(pdev, BRCMF_PCIE_REG_INTSTATUS, status);
+ if (devinfo->state == BRCMFMAC_PCIE_STATE_UP)
+ brcmf_proto_msgbuf_rx_trigger(&devinfo->pdev->dev);
+ }
+ if (devinfo->state == BRCMFMAC_PCIE_STATE_UP)
+ brcmf_pcie_intr_enable(devinfo);
+ devinfo->in_irq = false;
+ return IRQ_HANDLED;
+}
+
+
+static irqreturn_t brcmf_pcie_isr_thread_v2(int irq, void *arg)
+{
+ struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)arg;
+ u32 status;
+
+ devinfo->in_irq = true;
+ status = brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT);
+ brcmf_dbg(PCIE, "Enter %x\n", status);
+ if (status) {
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT,
+ status);
+ if (status & (BRCMF_PCIE_MB_INT_FN0_0 |
+ BRCMF_PCIE_MB_INT_FN0_1))
+ brcmf_pcie_handle_mb_data(devinfo);
+ if (status & BRCMF_PCIE_MB_INT_D2H_DB) {
+ if (devinfo->state == BRCMFMAC_PCIE_STATE_UP)
+ brcmf_proto_msgbuf_rx_trigger(
+ &devinfo->pdev->dev);
+ }
+ }
+ brcmf_pcie_bus_console_read(devinfo);
+ if (devinfo->state == BRCMFMAC_PCIE_STATE_UP)
+ brcmf_pcie_intr_enable(devinfo);
+ devinfo->in_irq = false;
+ return IRQ_HANDLED;
+}
+
+
+static int brcmf_pcie_request_irq(struct brcmf_pciedev_info *devinfo)
+{
+ struct pci_dev *pdev;
+
+ pdev = devinfo->pdev;
+
+ brcmf_pcie_intr_disable(devinfo);
+
+ brcmf_dbg(PCIE, "Enter\n");
+ /* is it a v1 or v2 implementation */
+ devinfo->irq_requested = false;
+ if (devinfo->generic_corerev == BRCMF_PCIE_GENREV1) {
+ if (request_threaded_irq(pdev->irq,
+ brcmf_pcie_quick_check_isr_v1,
+ brcmf_pcie_isr_thread_v1,
+ IRQF_SHARED, "brcmf_pcie_intr",
+ devinfo)) {
+ brcmf_err("Failed to request IRQ %d\n", pdev->irq);
+ return -EIO;
+ }
+ } else {
+ if (request_threaded_irq(pdev->irq,
+ brcmf_pcie_quick_check_isr_v2,
+ brcmf_pcie_isr_thread_v2,
+ IRQF_SHARED, "brcmf_pcie_intr",
+ devinfo)) {
+ brcmf_err("Failed to request IRQ %d\n", pdev->irq);
+ return -EIO;
+ }
+ }
+ devinfo->irq_requested = true;
+ devinfo->irq_allocated = true;
+ return 0;
+}
+
+
+static void brcmf_pcie_release_irq(struct brcmf_pciedev_info *devinfo)
+{
+ struct pci_dev *pdev;
+ u32 status;
+ u32 count;
+
+ if (!devinfo->irq_allocated)
+ return;
+
+ pdev = devinfo->pdev;
+
+ brcmf_pcie_intr_disable(devinfo);
+ if (!devinfo->irq_requested)
+ return;
+ devinfo->irq_requested = false;
+ free_irq(pdev->irq, devinfo);
+
+ msleep(50);
+ count = 0;
+ while ((devinfo->in_irq) && (count < 20)) {
+ msleep(50);
+ count++;
+ }
+ if (devinfo->in_irq)
+ brcmf_err("Still in IRQ (processing) !!!\n");
+
+ if (devinfo->generic_corerev == BRCMF_PCIE_GENREV1) {
+ status = 0;
+ pci_read_config_dword(pdev, BRCMF_PCIE_REG_INTSTATUS, &status);
+ pci_write_config_dword(pdev, BRCMF_PCIE_REG_INTSTATUS, status);
+ } else {
+ status = brcmf_pcie_read_reg32(devinfo,
+ BRCMF_PCIE_PCIE2REG_MAILBOXINT);
+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT,
+ status);
+ }
+ devinfo->irq_allocated = false;
+}
+
+
+static int brcmf_pcie_ring_mb_write_rptr(void *ctx)
+{
+ struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx;
+ struct brcmf_pciedev_info *devinfo = ring->devinfo;
+ struct brcmf_commonring *commonring = &ring->commonring;
+
+ if (devinfo->state != BRCMFMAC_PCIE_STATE_UP)
+ return -EIO;
+
+ brcmf_dbg(PCIE, "W r_ptr %d (%d), ring %d\n", commonring->r_ptr,
+ commonring->w_ptr, ring->id);
+
+ brcmf_pcie_write_tcm16(devinfo, ring->r_idx_addr, commonring->r_ptr);
+
+ return 0;
+}
+
+
+static int brcmf_pcie_ring_mb_write_wptr(void *ctx)
+{
+ struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx;
+ struct brcmf_pciedev_info *devinfo = ring->devinfo;
+ struct brcmf_commonring *commonring = &ring->commonring;
+
+ if (devinfo->state != BRCMFMAC_PCIE_STATE_UP)
+ return -EIO;
+
+ brcmf_dbg(PCIE, "W w_ptr %d (%d), ring %d\n", commonring->w_ptr,
+ commonring->r_ptr, ring->id);
+
+ brcmf_pcie_write_tcm16(devinfo, ring->w_idx_addr, commonring->w_ptr);
+
+ return 0;
+}
+
+
+static int brcmf_pcie_ring_mb_ring_bell(void *ctx)
+{
+ struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx;
+ struct brcmf_pciedev_info *devinfo = ring->devinfo;
+
+ if (devinfo->state != BRCMFMAC_PCIE_STATE_UP)
+ return -EIO;
+
+ devinfo->ringbell(devinfo);
+
+ return 0;
+}
+
+
+static int brcmf_pcie_ring_mb_update_rptr(void *ctx)
+{
+ struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx;
+ struct brcmf_pciedev_info *devinfo = ring->devinfo;
+ struct brcmf_commonring *commonring = &ring->commonring;
+
+ if (devinfo->state != BRCMFMAC_PCIE_STATE_UP)
+ return -EIO;
+
+ commonring->r_ptr = brcmf_pcie_read_tcm16(devinfo, ring->r_idx_addr);
+
+ brcmf_dbg(PCIE, "R r_ptr %d (%d), ring %d\n", commonring->r_ptr,
+ commonring->w_ptr, ring->id);
+
+ return 0;
+}
+
+
+static int brcmf_pcie_ring_mb_update_wptr(void *ctx)
+{
+ struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx;
+ struct brcmf_pciedev_info *devinfo = ring->devinfo;
+ struct brcmf_commonring *commonring = &ring->commonring;
+
+ if (devinfo->state != BRCMFMAC_PCIE_STATE_UP)
+ return -EIO;
+
+ commonring->w_ptr = brcmf_pcie_read_tcm16(devinfo, ring->w_idx_addr);
+
+ brcmf_dbg(PCIE, "R w_ptr %d (%d), ring %d\n", commonring->w_ptr,
+ commonring->r_ptr, ring->id);
+
+ return 0;
+}
+
+
+static void *
+brcmf_pcie_init_dmabuffer_for_device(struct brcmf_pciedev_info *devinfo,
+ u32 size, u32 tcm_dma_phys_addr,
+ dma_addr_t *dma_handle)
+{
+ void *ring;
+ long long address;
+
+ ring = dma_alloc_coherent(&devinfo->pdev->dev, size, dma_handle,
+ GFP_KERNEL);
+ if (!ring)
+ return NULL;
+
+ address = (long long)(long)*dma_handle;
+ brcmf_pcie_write_tcm32(devinfo, tcm_dma_phys_addr,
+ address & 0xffffffff);
+ brcmf_pcie_write_tcm32(devinfo, tcm_dma_phys_addr + 4, address >> 32);
+
+ memset(ring, 0, size);
+
+ return (ring);
+}
+
+
+static struct brcmf_pcie_ringbuf *
+brcmf_pcie_alloc_dma_and_ring(struct brcmf_pciedev_info *devinfo, u32 ring_id,
+ u32 tcm_ring_phys_addr)
+{
+ void *dma_buf;
+ dma_addr_t dma_handle;
+ struct brcmf_pcie_ringbuf *ring;
+ u32 size;
+ u32 addr;
+
+ size = brcmf_ring_max_item[ring_id] * brcmf_ring_itemsize[ring_id];
+ dma_buf = brcmf_pcie_init_dmabuffer_for_device(devinfo, size,
+ tcm_ring_phys_addr + BRCMF_RING_MEM_BASE_ADDR_OFFSET,
+ &dma_handle);
+ if (!dma_buf)
+ return NULL;
+
+ addr = tcm_ring_phys_addr + BRCMF_RING_MAX_ITEM_OFFSET;
+ brcmf_pcie_write_tcm16(devinfo, addr, brcmf_ring_max_item[ring_id]);
+ addr = tcm_ring_phys_addr + BRCMF_RING_LEN_ITEMS_OFFSET;
+ brcmf_pcie_write_tcm16(devinfo, addr, brcmf_ring_itemsize[ring_id]);
+
+ ring = kzalloc(sizeof(*ring), GFP_KERNEL);
+ if (!ring) {
+ dma_free_coherent(&devinfo->pdev->dev, size, dma_buf,
+ dma_handle);
+ return NULL;
+ }
+ brcmf_commonring_config(&ring->commonring, brcmf_ring_max_item[ring_id],
+ brcmf_ring_itemsize[ring_id], dma_buf);
+ ring->dma_handle = dma_handle;
+ ring->devinfo = devinfo;
+ brcmf_commonring_register_cb(&ring->commonring,
+ brcmf_pcie_ring_mb_ring_bell,
+ brcmf_pcie_ring_mb_update_rptr,
+ brcmf_pcie_ring_mb_update_wptr,
+ brcmf_pcie_ring_mb_write_rptr,
+ brcmf_pcie_ring_mb_write_wptr, ring);
+
+ return (ring);
+}
+
+
+static void brcmf_pcie_release_ringbuffer(struct device *dev,
+ struct brcmf_pcie_ringbuf *ring)
+{
+ void *dma_buf;
+ u32 size;
+
+ if (!ring)
+ return;
+
+ dma_buf = ring->commonring.buf_addr;
+ if (dma_buf) {
+ size = ring->commonring.depth * ring->commonring.item_len;
+ dma_free_coherent(dev, size, dma_buf, ring->dma_handle);
+ }
+ kfree(ring);
+}
+
+
+static void brcmf_pcie_release_ringbuffers(struct brcmf_pciedev_info *devinfo)
+{
+ u32 i;
+
+ for (i = 0; i < BRCMF_NROF_COMMON_MSGRINGS; i++) {
+ brcmf_pcie_release_ringbuffer(&devinfo->pdev->dev,
+ devinfo->shared.commonrings[i]);
+ devinfo->shared.commonrings[i] = NULL;
+ }
+ kfree(devinfo->shared.flowrings);
+ devinfo->shared.flowrings = NULL;
+}
+
+
+static int brcmf_pcie_init_ringbuffers(struct brcmf_pciedev_info *devinfo)
+{
+ struct brcmf_pcie_ringbuf *ring;
+ struct brcmf_pcie_ringbuf *rings;
+ u32 ring_addr;
+ u32 d2h_w_idx_ptr;
+ u32 d2h_r_idx_ptr;
+ u32 h2d_w_idx_ptr;
+ u32 h2d_r_idx_ptr;
+ u32 addr;
+ u32 ring_mem_ptr;
+ u32 i;
+ u16 max_sub_queues;
+
+ ring_addr = devinfo->shared.ring_info_addr;
+ brcmf_dbg(PCIE, "Base ring addr = 0x%08x\n", ring_addr);
+
+ addr = ring_addr + BRCMF_SHARED_RING_D2H_W_IDX_PTR_OFFSET;
+ d2h_w_idx_ptr = brcmf_pcie_read_tcm32(devinfo, addr);
+ addr = ring_addr + BRCMF_SHARED_RING_D2H_R_IDX_PTR_OFFSET;
+ d2h_r_idx_ptr = brcmf_pcie_read_tcm32(devinfo, addr);
+ addr = ring_addr + BRCMF_SHARED_RING_H2D_W_IDX_PTR_OFFSET;
+ h2d_w_idx_ptr = brcmf_pcie_read_tcm32(devinfo, addr);
+ addr = ring_addr + BRCMF_SHARED_RING_H2D_R_IDX_PTR_OFFSET;
+ h2d_r_idx_ptr = brcmf_pcie_read_tcm32(devinfo, addr);
+
+ addr = ring_addr + BRCMF_SHARED_RING_TCM_MEMLOC_OFFSET;
+ ring_mem_ptr = brcmf_pcie_read_tcm32(devinfo, addr);
+
+ for (i = 0; i < BRCMF_NROF_H2D_COMMON_MSGRINGS; i++) {
+ ring = brcmf_pcie_alloc_dma_and_ring(devinfo, i, ring_mem_ptr);
+ if (!ring)
+ goto fail;
+ ring->w_idx_addr = h2d_w_idx_ptr;
+ ring->r_idx_addr = h2d_r_idx_ptr;
+ ring->id = i;
+ devinfo->shared.commonrings[i] = ring;
+
+ h2d_w_idx_ptr += sizeof(u32);
+ h2d_r_idx_ptr += sizeof(u32);
+ ring_mem_ptr += BRCMF_RING_MEM_SZ;
+ }
+
+ for (i = BRCMF_NROF_H2D_COMMON_MSGRINGS;
+ i < BRCMF_NROF_COMMON_MSGRINGS; i++) {
+ ring = brcmf_pcie_alloc_dma_and_ring(devinfo, i, ring_mem_ptr);
+ if (!ring)
+ goto fail;
+ ring->w_idx_addr = d2h_w_idx_ptr;
+ ring->r_idx_addr = d2h_r_idx_ptr;
+ ring->id = i;
+ devinfo->shared.commonrings[i] = ring;
+
+ d2h_w_idx_ptr += sizeof(u32);
+ d2h_r_idx_ptr += sizeof(u32);
+ ring_mem_ptr += BRCMF_RING_MEM_SZ;
+ }
+
+ addr = ring_addr + BRCMF_SHARED_RING_MAX_SUB_QUEUES;
+ max_sub_queues = brcmf_pcie_read_tcm16(devinfo, addr);
+ devinfo->shared.nrof_flowrings =
+ max_sub_queues - BRCMF_NROF_H2D_COMMON_MSGRINGS;
+ rings = kcalloc(devinfo->shared.nrof_flowrings, sizeof(*ring),
+ GFP_KERNEL);
+ if (!rings)
+ goto fail;
+
+ brcmf_dbg(PCIE, "Nr of flowrings is %d\n",
+ devinfo->shared.nrof_flowrings);
+
+ for (i = 0; i < devinfo->shared.nrof_flowrings; i++) {
+ ring = &rings[i];
+ ring->devinfo = devinfo;
+ ring->id = i + BRCMF_NROF_COMMON_MSGRINGS;
+ brcmf_commonring_register_cb(&ring->commonring,
+ brcmf_pcie_ring_mb_ring_bell,
+ brcmf_pcie_ring_mb_update_rptr,
+ brcmf_pcie_ring_mb_update_wptr,
+ brcmf_pcie_ring_mb_write_rptr,
+ brcmf_pcie_ring_mb_write_wptr,
+ ring);
+ ring->w_idx_addr = h2d_w_idx_ptr;
+ ring->r_idx_addr = h2d_r_idx_ptr;
+ h2d_w_idx_ptr += sizeof(u32);
+ h2d_r_idx_ptr += sizeof(u32);
+ }
+ devinfo->shared.flowrings = rings;
+
+ return 0;
+
+fail:
+ brcmf_err("Allocating commonring buffers failed\n");
+ brcmf_pcie_release_ringbuffers(devinfo);
+ return -ENOMEM;
+}
+
+
+static void
+brcmf_pcie_release_scratchbuffers(struct brcmf_pciedev_info *devinfo)
+{
+ if (devinfo->shared.scratch)
+ dma_free_coherent(&devinfo->pdev->dev,
+ BRCMF_DMA_D2H_SCRATCH_BUF_LEN,
+ devinfo->shared.scratch,
+ devinfo->shared.scratch_dmahandle);
+ if (devinfo->shared.ringupd)
+ dma_free_coherent(&devinfo->pdev->dev,
+ BRCMF_DMA_D2H_RINGUPD_BUF_LEN,
+ devinfo->shared.ringupd,
+ devinfo->shared.ringupd_dmahandle);
+}
+
+static int brcmf_pcie_init_scratchbuffers(struct brcmf_pciedev_info *devinfo)
+{
+ long long address;
+ u32 addr;
+
+ devinfo->shared.scratch = dma_alloc_coherent(&devinfo->pdev->dev,
+ BRCMF_DMA_D2H_SCRATCH_BUF_LEN,
+ &devinfo->shared.scratch_dmahandle, GFP_KERNEL);
+ if (!devinfo->shared.scratch)
+ goto fail;
+
+ memset(devinfo->shared.scratch, 0, BRCMF_DMA_D2H_SCRATCH_BUF_LEN);
+ brcmf_dma_flush(devinfo->shared.scratch, BRCMF_DMA_D2H_SCRATCH_BUF_LEN);
+
+ addr = devinfo->shared.tcm_base_address +
+ BRCMF_SHARED_DMA_SCRATCH_ADDR_OFFSET;
+ address = (long long)(long)devinfo->shared.scratch_dmahandle;
+ brcmf_pcie_write_tcm32(devinfo, addr, address & 0xffffffff);
+ brcmf_pcie_write_tcm32(devinfo, addr + 4, address >> 32);
+ addr = devinfo->shared.tcm_base_address +
+ BRCMF_SHARED_DMA_SCRATCH_LEN_OFFSET;
+ brcmf_pcie_write_tcm32(devinfo, addr, BRCMF_DMA_D2H_SCRATCH_BUF_LEN);
+
+ devinfo->shared.ringupd = dma_alloc_coherent(&devinfo->pdev->dev,
+ BRCMF_DMA_D2H_RINGUPD_BUF_LEN,
+ &devinfo->shared.ringupd_dmahandle, GFP_KERNEL);
+ if (!devinfo->shared.ringupd)
+ goto fail;
+
+ memset(devinfo->shared.ringupd, 0, BRCMF_DMA_D2H_RINGUPD_BUF_LEN);
+ brcmf_dma_flush(devinfo->shared.ringupd, BRCMF_DMA_D2H_RINGUPD_BUF_LEN);
+
+ addr = devinfo->shared.tcm_base_address +
+ BRCMF_SHARED_DMA_RINGUPD_ADDR_OFFSET;
+ address = (long long)(long)devinfo->shared.ringupd_dmahandle;
+ brcmf_pcie_write_tcm32(devinfo, addr, address & 0xffffffff);
+ brcmf_pcie_write_tcm32(devinfo, addr + 4, address >> 32);
+ addr = devinfo->shared.tcm_base_address +
+ BRCMF_SHARED_DMA_RINGUPD_LEN_OFFSET;
+ brcmf_pcie_write_tcm32(devinfo, addr, BRCMF_DMA_D2H_RINGUPD_BUF_LEN);
+ return 0;
+
+fail:
+ brcmf_err("Allocating scratch buffers failed\n");
+ brcmf_pcie_release_scratchbuffers(devinfo);
+ return -ENOMEM;
+}
+
+
+static void brcmf_pcie_down(struct device *dev)
+{
+}
+
+
+static int brcmf_pcie_tx(struct device *dev, struct sk_buff *skb)
+{
+ return 0;
+}
+
+
+static int brcmf_pcie_tx_ctlpkt(struct device *dev, unsigned char *msg,
+ uint len)
+{
+ return 0;
+}
+
+
+static int brcmf_pcie_rx_ctlpkt(struct device *dev, unsigned char *msg,
+ uint len)
+{
+ return 0;
+}
+
+
+static struct brcmf_bus_ops brcmf_pcie_bus_ops = {
+ .txdata = brcmf_pcie_tx,
+ .stop = brcmf_pcie_down,
+ .txctl = brcmf_pcie_tx_ctlpkt,
+ .rxctl = brcmf_pcie_rx_ctlpkt,
+};
+
+
+static int
+brcmf_pcie_init_share_ram_info(struct brcmf_pciedev_info *devinfo,
+ u32 sharedram_addr)
+{
+ struct brcmf_pcie_shared_info *shared;
+ u32 addr;
+ u32 version;
+
+ shared = &devinfo->shared;
+ shared->tcm_base_address = sharedram_addr;
+
+ shared->flags = brcmf_pcie_read_tcm32(devinfo, sharedram_addr);
+ version = shared->flags & BRCMF_PCIE_SHARED_VERSION_MASK;
+ brcmf_dbg(PCIE, "PCIe protocol version %d\n", version);
+ if ((version > BRCMF_PCIE_MAX_SHARED_VERSION) ||
+ (version < BRCMF_PCIE_MIN_SHARED_VERSION)) {
+ brcmf_err("Unsupported PCIE version %d\n", version);
+ return -EINVAL;
+ }
+ if (shared->flags & BRCMF_PCIE_SHARED_TXPUSH_SUPPORT) {
+ brcmf_err("Unsupported legacy TX mode 0x%x\n",
+ shared->flags & BRCMF_PCIE_SHARED_TXPUSH_SUPPORT);
+ return -EINVAL;
+ }
+
+ addr = sharedram_addr + BRCMF_SHARED_MAX_RXBUFPOST_OFFSET;
+ shared->max_rxbufpost = brcmf_pcie_read_tcm16(devinfo, addr);
+ if (shared->max_rxbufpost == 0)
+ shared->max_rxbufpost = BRCMF_DEF_MAX_RXBUFPOST;
+
+ addr = sharedram_addr + BRCMF_SHARED_RX_DATAOFFSET_OFFSET;
+ shared->rx_dataoffset = brcmf_pcie_read_tcm32(devinfo, addr);
+
+ addr = sharedram_addr + BRCMF_SHARED_HTOD_MB_DATA_ADDR_OFFSET;
+ shared->htod_mb_data_addr = brcmf_pcie_read_tcm32(devinfo, addr);
+
+ addr = sharedram_addr + BRCMF_SHARED_DTOH_MB_DATA_ADDR_OFFSET;
+ shared->dtoh_mb_data_addr = brcmf_pcie_read_tcm32(devinfo, addr);
+
+ addr = sharedram_addr + BRCMF_SHARED_RING_INFO_ADDR_OFFSET;
+ shared->ring_info_addr = brcmf_pcie_read_tcm32(devinfo, addr);
+
+ brcmf_dbg(PCIE, "max rx buf post %d, rx dataoffset %d\n",
+ shared->max_rxbufpost, shared->rx_dataoffset);
+
+ brcmf_pcie_bus_console_init(devinfo);
+
+ return 0;
+}
+
+
+static int brcmf_pcie_get_fwnames(struct brcmf_pciedev_info *devinfo)
+{
+ char *fw_name;
+ char *nvram_name;
+ uint fw_len, nv_len;
+ char end;
+
+ brcmf_dbg(PCIE, "Enter, chip 0x%04x chiprev %d\n", devinfo->ci->chip,
+ devinfo->ci->chiprev);
+
+ switch (devinfo->ci->chip) {
+ case BRCM_CC_43602_CHIP_ID:
+ fw_name = BRCMF_PCIE_43602_FW_NAME;
+ nvram_name = BRCMF_PCIE_43602_NVRAM_NAME;
+ break;
+ case BRCM_CC_4354_CHIP_ID:
+ fw_name = BRCMF_PCIE_4354_FW_NAME;
+ nvram_name = BRCMF_PCIE_4354_NVRAM_NAME;
+ break;
+ case BRCM_CC_4356_CHIP_ID:
+ fw_name = BRCMF_PCIE_4356_FW_NAME;
+ nvram_name = BRCMF_PCIE_4356_NVRAM_NAME;
+ break;
+ case BRCM_CC_43567_CHIP_ID:
+ case BRCM_CC_43569_CHIP_ID:
+ case BRCM_CC_43570_CHIP_ID:
+ fw_name = BRCMF_PCIE_43570_FW_NAME;
+ nvram_name = BRCMF_PCIE_43570_NVRAM_NAME;
+ break;
+ default:
+ brcmf_err("Unsupported chip 0x%04x\n", devinfo->ci->chip);
+ return -ENODEV;
+ }
+
+ fw_len = sizeof(devinfo->fw_name) - 1;
+ nv_len = sizeof(devinfo->nvram_name) - 1;
+ /* check if firmware path is provided by module parameter */
+ if (brcmf_firmware_path[0] != '\0') {
+ strncpy(devinfo->fw_name, brcmf_firmware_path, fw_len);
+ strncpy(devinfo->nvram_name, brcmf_firmware_path, nv_len);
+ fw_len -= strlen(devinfo->fw_name);
+ nv_len -= strlen(devinfo->nvram_name);
+
+ end = brcmf_firmware_path[strlen(brcmf_firmware_path) - 1];
+ if (end != '/') {
+ strncat(devinfo->fw_name, "/", fw_len);
+ strncat(devinfo->nvram_name, "/", nv_len);
+ fw_len--;
+ nv_len--;
+ }
+ }
+ strncat(devinfo->fw_name, fw_name, fw_len);
+ strncat(devinfo->nvram_name, nvram_name, nv_len);
+
+ return 0;
+}
+
+
+static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo,
+ const struct firmware *fw, void *nvram,
+ u32 nvram_len)
+{
+ u32 sharedram_addr;
+ u32 sharedram_addr_written;
+ u32 loop_counter;
+ int err;
+ u32 address;
+ u32 resetintr;
+
+ devinfo->ringbell = brcmf_pcie_ringbell_v2;
+ devinfo->generic_corerev = BRCMF_PCIE_GENREV2;
+
+ brcmf_dbg(PCIE, "Halt ARM.\n");
+ err = brcmf_pcie_enter_download_state(devinfo);
+ if (err)
+ return err;
+
+ brcmf_dbg(PCIE, "Download FW %s\n", devinfo->fw_name);
+ brcmf_pcie_copy_mem_todev(devinfo, devinfo->ci->rambase,
+ (void *)fw->data, fw->size);
+
+ resetintr = get_unaligned_le32(fw->data);
+ release_firmware(fw);
+
+ /* reset last 4 bytes of RAM address. to be used for shared
+ * area. This identifies when FW is running
+ */
+ brcmf_pcie_write_ram32(devinfo, devinfo->ci->ramsize - 4, 0);
+
+ if (nvram) {
+ brcmf_dbg(PCIE, "Download NVRAM %s\n", devinfo->nvram_name);
+ address = devinfo->ci->rambase + devinfo->ci->ramsize -
+ nvram_len;
+ brcmf_pcie_copy_mem_todev(devinfo, address, nvram, nvram_len);
+ brcmf_fw_nvram_free(nvram);
+ } else {
+ brcmf_dbg(PCIE, "No matching NVRAM file found %s\n",
+ devinfo->nvram_name);
+ }
+
+ sharedram_addr_written = brcmf_pcie_read_ram32(devinfo,
+ devinfo->ci->ramsize -
+ 4);
+ brcmf_dbg(PCIE, "Bring ARM in running state\n");
+ err = brcmf_pcie_exit_download_state(devinfo, resetintr);
+ if (err)
+ return err;
+
+ brcmf_dbg(PCIE, "Wait for FW init\n");
+ sharedram_addr = sharedram_addr_written;
+ loop_counter = BRCMF_PCIE_FW_UP_TIMEOUT / 50;
+ while ((sharedram_addr == sharedram_addr_written) && (loop_counter)) {
+ msleep(50);
+ sharedram_addr = brcmf_pcie_read_ram32(devinfo,
+ devinfo->ci->ramsize -
+ 4);
+ loop_counter--;
+ }
+ if (sharedram_addr == sharedram_addr_written) {
+ brcmf_err("FW failed to initialize\n");
+ return -ENODEV;
+ }
+ brcmf_dbg(PCIE, "Shared RAM addr: 0x%08x\n", sharedram_addr);
+
+ return (brcmf_pcie_init_share_ram_info(devinfo, sharedram_addr));
+}
+
+
+static int brcmf_pcie_get_resource(struct brcmf_pciedev_info *devinfo)
+{
+ struct pci_dev *pdev;
+ int err;
+ phys_addr_t bar0_addr, bar1_addr;
+ ulong bar1_size;
+
+ pdev = devinfo->pdev;
+
+ err = pci_enable_device(pdev);
+ if (err) {
+ brcmf_err("pci_enable_device failed err=%d\n", err);
+ return err;
+ }
+
+ pci_set_master(pdev);
+
+ /* Bar-0 mapped address */
+ bar0_addr = pci_resource_start(pdev, 0);
+ /* Bar-1 mapped address */
+ bar1_addr = pci_resource_start(pdev, 2);
+ /* read Bar-1 mapped memory range */
+ bar1_size = pci_resource_len(pdev, 2);
+ if ((bar1_size == 0) || (bar1_addr == 0)) {
+ brcmf_err("BAR1 Not enabled, device size=%ld, addr=%#016llx\n",
+ bar1_size, (unsigned long long)bar1_addr);
+ return -EINVAL;
+ }
+
+ devinfo->regs = ioremap_nocache(bar0_addr, BRCMF_PCIE_REG_MAP_SIZE);
+ devinfo->tcm = ioremap_nocache(bar1_addr, BRCMF_PCIE_TCM_MAP_SIZE);
+ devinfo->tcm_size = BRCMF_PCIE_TCM_MAP_SIZE;
+
+ if (!devinfo->regs || !devinfo->tcm) {
+ brcmf_err("ioremap() failed (%p,%p)\n", devinfo->regs,
+ devinfo->tcm);
+ return -EINVAL;
+ }
+ brcmf_dbg(PCIE, "Phys addr : reg space = %p base addr %#016llx\n",
+ devinfo->regs, (unsigned long long)bar0_addr);
+ brcmf_dbg(PCIE, "Phys addr : mem space = %p base addr %#016llx\n",
+ devinfo->tcm, (unsigned long long)bar1_addr);
+
+ return 0;
+}
+
+
+static void brcmf_pcie_release_resource(struct brcmf_pciedev_info *devinfo)
+{
+ if (devinfo->tcm)
+ iounmap(devinfo->tcm);
+ if (devinfo->regs)
+ iounmap(devinfo->regs);
+
+ pci_disable_device(devinfo->pdev);
+}
+
+
+static int brcmf_pcie_attach_bus(struct device *dev)
+{
+ int ret;
+
+ /* Attach to the common driver interface */
+ ret = brcmf_attach(dev);
+ if (ret) {
+ brcmf_err("brcmf_attach failed\n");
+ } else {
+ ret = brcmf_bus_start(dev);
+ if (ret)
+ brcmf_err("dongle is not responding\n");
+ }
+
+ return ret;
+}
+
+
+static u32 brcmf_pcie_buscore_prep_addr(const struct pci_dev *pdev, u32 addr)
+{
+ u32 ret_addr;
+
+ ret_addr = addr & (BRCMF_PCIE_BAR0_REG_SIZE - 1);
+ addr &= ~(BRCMF_PCIE_BAR0_REG_SIZE - 1);
+ pci_write_config_dword(pdev, BRCMF_PCIE_BAR0_WINDOW, addr);
+
+ return ret_addr;
+}
+
+
+static u32 brcmf_pcie_buscore_read32(void *ctx, u32 addr)
+{
+ struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)ctx;
+
+ addr = brcmf_pcie_buscore_prep_addr(devinfo->pdev, addr);
+ return brcmf_pcie_read_reg32(devinfo, addr);
+}
+
+
+static void brcmf_pcie_buscore_write32(void *ctx, u32 addr, u32 value)
+{
+ struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)ctx;
+
+ addr = brcmf_pcie_buscore_prep_addr(devinfo->pdev, addr);
+ brcmf_pcie_write_reg32(devinfo, addr, value);
+}
+
+
+static int brcmf_pcie_buscoreprep(void *ctx)
+{
+ struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)ctx;
+ int err;
+
+ err = brcmf_pcie_get_resource(devinfo);
+ if (err == 0) {
+ /* Set CC watchdog to reset all the cores on the chip to bring
+ * back dongle to a sane state.
+ */
+ brcmf_pcie_buscore_write32(ctx, CORE_CC_REG(SI_ENUM_BASE,
+ watchdog), 4);
+ msleep(100);
+ }
+
+ return err;
+}
+
+
+static void brcmf_pcie_buscore_exitdl(void *ctx, struct brcmf_chip *chip,
+ u32 rstvec)
+{
+ struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)ctx;
+
+ brcmf_pcie_write_tcm32(devinfo, 0, rstvec);
+}
+
+
+static const struct brcmf_buscore_ops brcmf_pcie_buscore_ops = {
+ .prepare = brcmf_pcie_buscoreprep,
+ .exit_dl = brcmf_pcie_buscore_exitdl,
+ .read32 = brcmf_pcie_buscore_read32,
+ .write32 = brcmf_pcie_buscore_write32,
+};
+
+static void brcmf_pcie_setup(struct device *dev, const struct firmware *fw,
+ void *nvram, u32 nvram_len)
+{
+ struct brcmf_bus *bus = dev_get_drvdata(dev);
+ struct brcmf_pciedev *pcie_bus_dev = bus->bus_priv.pcie;
+ struct brcmf_pciedev_info *devinfo = pcie_bus_dev->devinfo;
+ struct brcmf_commonring **flowrings;
+ int ret;
+ u32 i;
+
+ brcmf_pcie_attach(devinfo);
+
+ ret = brcmf_pcie_download_fw_nvram(devinfo, fw, nvram, nvram_len);
+ if (ret)
+ goto fail;
+
+ devinfo->state = BRCMFMAC_PCIE_STATE_UP;
+
+ ret = brcmf_pcie_init_ringbuffers(devinfo);
+ if (ret)
+ goto fail;
+
+ ret = brcmf_pcie_init_scratchbuffers(devinfo);
+ if (ret)
+ goto fail;
+
+ brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2);
+ ret = brcmf_pcie_request_irq(devinfo);
+ if (ret)
+ goto fail;
+
+ /* hook the commonrings in the bus structure. */
+ for (i = 0; i < BRCMF_NROF_COMMON_MSGRINGS; i++)
+ bus->msgbuf->commonrings[i] =
+ &devinfo->shared.commonrings[i]->commonring;
+
+ flowrings = kcalloc(devinfo->shared.nrof_flowrings, sizeof(flowrings),
+ GFP_KERNEL);
+ if (!flowrings)
+ goto fail;
+
+ for (i = 0; i < devinfo->shared.nrof_flowrings; i++)
+ flowrings[i] = &devinfo->shared.flowrings[i].commonring;
+ bus->msgbuf->flowrings = flowrings;
+
+ bus->msgbuf->rx_dataoffset = devinfo->shared.rx_dataoffset;
+ bus->msgbuf->max_rxbufpost = devinfo->shared.max_rxbufpost;
+ bus->msgbuf->nrof_flowrings = devinfo->shared.nrof_flowrings;
+
+ init_waitqueue_head(&devinfo->mbdata_resp_wait);
+
+ brcmf_pcie_intr_enable(devinfo);
+ if (brcmf_pcie_attach_bus(bus->dev) == 0)
+ return;
+
+ brcmf_pcie_bus_console_read(devinfo);
+
+fail:
+ device_release_driver(dev);
+}
+
+static int
+brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+ int ret;
+ struct brcmf_pciedev_info *devinfo;
+ struct brcmf_pciedev *pcie_bus_dev;
+ struct brcmf_bus *bus;
+
+ brcmf_dbg(PCIE, "Enter %x:%x\n", pdev->vendor, pdev->device);
+
+ ret = -ENOMEM;
+ devinfo = kzalloc(sizeof(*devinfo), GFP_KERNEL);
+ if (devinfo == NULL)
+ return ret;
+
+ devinfo->pdev = pdev;
+ pcie_bus_dev = NULL;
+ devinfo->ci = brcmf_chip_attach(devinfo, &brcmf_pcie_buscore_ops);
+ if (IS_ERR(devinfo->ci)) {
+ ret = PTR_ERR(devinfo->ci);
+ devinfo->ci = NULL;
+ goto fail;
+ }
+
+ pcie_bus_dev = kzalloc(sizeof(*pcie_bus_dev), GFP_KERNEL);
+ if (pcie_bus_dev == NULL) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
+ bus = kzalloc(sizeof(*bus), GFP_KERNEL);
+ if (!bus) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+ bus->msgbuf = kzalloc(sizeof(*bus->msgbuf), GFP_KERNEL);
+ if (!bus->msgbuf) {
+ ret = -ENOMEM;
+ kfree(bus);
+ goto fail;
+ }
+
+ /* hook it all together. */
+ pcie_bus_dev->devinfo = devinfo;
+ pcie_bus_dev->bus = bus;
+ bus->dev = &pdev->dev;
+ bus->bus_priv.pcie = pcie_bus_dev;
+ bus->ops = &brcmf_pcie_bus_ops;
+ bus->proto_type = BRCMF_PROTO_MSGBUF;
+ bus->chip = devinfo->coreid;
+ dev_set_drvdata(&pdev->dev, bus);
+
+ ret = brcmf_pcie_get_fwnames(devinfo);
+ if (ret)
+ goto fail_bus;
+
+ ret = brcmf_fw_get_firmwares(bus->dev, BRCMF_FW_REQUEST_NVRAM |
+ BRCMF_FW_REQ_NV_OPTIONAL,
+ devinfo->fw_name, devinfo->nvram_name,
+ brcmf_pcie_setup);
+ if (ret == 0)
+ return 0;
+fail_bus:
+ kfree(bus->msgbuf);
+ kfree(bus);
+fail:
+ brcmf_err("failed %x:%x\n", pdev->vendor, pdev->device);
+ brcmf_pcie_release_resource(devinfo);
+ if (devinfo->ci)
+ brcmf_chip_detach(devinfo->ci);
+ kfree(pcie_bus_dev);
+ kfree(devinfo);
+ return ret;
+}
+
+
+static void
+brcmf_pcie_remove(struct pci_dev *pdev)
+{
+ struct brcmf_pciedev_info *devinfo;
+ struct brcmf_bus *bus;
+
+ brcmf_dbg(PCIE, "Enter\n");
+
+ bus = dev_get_drvdata(&pdev->dev);
+ if (bus == NULL)
+ return;
+
+ devinfo = bus->bus_priv.pcie->devinfo;
+
+ devinfo->state = BRCMFMAC_PCIE_STATE_DOWN;
+ if (devinfo->ci)
+ brcmf_pcie_intr_disable(devinfo);
+
+ brcmf_detach(&pdev->dev);
+
+ kfree(bus->bus_priv.pcie);
+ kfree(bus->msgbuf->flowrings);
+ kfree(bus->msgbuf);
+ kfree(bus);
+
+ brcmf_pcie_release_irq(devinfo);
+ brcmf_pcie_release_scratchbuffers(devinfo);
+ brcmf_pcie_release_ringbuffers(devinfo);
+ brcmf_pcie_detach(devinfo);
+ brcmf_pcie_release_resource(devinfo);
+
+ if (devinfo->ci)
+ brcmf_chip_detach(devinfo->ci);
+
+ kfree(devinfo);
+ dev_set_drvdata(&pdev->dev, NULL);
+}
+
+
+#ifdef CONFIG_PM
+
+
+static int brcmf_pcie_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct brcmf_pciedev_info *devinfo;
+ struct brcmf_bus *bus;
+ int err;
+
+ brcmf_dbg(PCIE, "Enter, state=%d, pdev=%p\n", state.event, pdev);
+
+ bus = dev_get_drvdata(&pdev->dev);
+ devinfo = bus->bus_priv.pcie->devinfo;
+
+ brcmf_bus_change_state(bus, BRCMF_BUS_DOWN);
+
+ devinfo->mbdata_completed = false;
+ brcmf_pcie_send_mb_data(devinfo, BRCMF_H2D_HOST_D3_INFORM);
+
+ wait_event_timeout(devinfo->mbdata_resp_wait,
+ devinfo->mbdata_completed,
+ msecs_to_jiffies(BRCMF_PCIE_MBDATA_TIMEOUT));
+ if (!devinfo->mbdata_completed) {
+ brcmf_err("Timeout on response for entering D3 substate\n");
+ return -EIO;
+ }
+ brcmf_pcie_release_irq(devinfo);
+
+ err = pci_save_state(pdev);
+ if (err) {
+ brcmf_err("pci_save_state failed, err=%d\n", err);
+ return err;
+ }
+
+ brcmf_chip_detach(devinfo->ci);
+ devinfo->ci = NULL;
+
+ brcmf_pcie_remove(pdev);
+
+ return pci_prepare_to_sleep(pdev);
+}
+
+
+static int brcmf_pcie_resume(struct pci_dev *pdev)
+{
+ int err;
+
+ brcmf_dbg(PCIE, "Enter, pdev=%p\n", pdev);
+
+ err = pci_set_power_state(pdev, PCI_D0);
+ if (err) {
+ brcmf_err("pci_set_power_state failed, err=%d\n", err);
+ return err;
+ }
+ pci_restore_state(pdev);
+
+ err = brcmf_pcie_probe(pdev, NULL);
+ if (err)
+ brcmf_err("probe after resume failed, err=%d\n", err);
+
+ return err;
+}
+
+
+#endif /* CONFIG_PM */
+
+
+#define BRCMF_PCIE_DEVICE(dev_id) { BRCM_PCIE_VENDOR_ID_BROADCOM, dev_id,\
+ PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_NETWORK_OTHER << 8, 0xffff00, 0 }
+
+static struct pci_device_id brcmf_pcie_devid_table[] = {
+ BRCMF_PCIE_DEVICE(BRCM_PCIE_4354_DEVICE_ID),
+ BRCMF_PCIE_DEVICE(BRCM_PCIE_4356_DEVICE_ID),
+ BRCMF_PCIE_DEVICE(BRCM_PCIE_43567_DEVICE_ID),
+ BRCMF_PCIE_DEVICE(BRCM_PCIE_43570_DEVICE_ID),
+ BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_DEVICE_ID),
+ { /* end: all zeroes */ }
+};
+
+
+MODULE_DEVICE_TABLE(pci, brcmf_pcie_devid_table);
+
+
+static struct pci_driver brcmf_pciedrvr = {
+ .node = {},
+ .name = KBUILD_MODNAME,
+ .id_table = brcmf_pcie_devid_table,
+ .probe = brcmf_pcie_probe,
+ .remove = brcmf_pcie_remove,
+#ifdef CONFIG_PM
+ .suspend = brcmf_pcie_suspend,
+ .resume = brcmf_pcie_resume
+#endif /* CONFIG_PM */
+};
+
+
+void brcmf_pcie_register(void)
+{
+ int err;
+
+ brcmf_dbg(PCIE, "Enter\n");
+ err = pci_register_driver(&brcmf_pciedrvr);
+ if (err)
+ brcmf_err("PCIE driver registration failed, err=%d\n", err);
+}
+
+
+void brcmf_pcie_exit(void)
+{
+ brcmf_dbg(PCIE, "Enter\n");
+ pci_unregister_driver(&brcmf_pciedrvr);
+}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/pcie.h b/drivers/net/wireless/brcm80211/brcmfmac/pcie.h
new file mode 100644
index 000000000000..6edaaf8ef5ce
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/pcie.h
@@ -0,0 +1,29 @@
+/* Copyright (c) 2014 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef BRCMFMAC_PCIE_H
+#define BRCMFMAC_PCIE_H
+
+
+struct brcmf_pciedev {
+ struct brcmf_bus *bus;
+ struct brcmf_pciedev_info *devinfo;
+};
+
+
+void brcmf_pcie_exit(void);
+void brcmf_pcie_register(void);
+
+
+#endif /* BRCMFMAC_PCIE_H */
diff --git a/drivers/net/wireless/brcm80211/include/brcm_hw_ids.h b/drivers/net/wireless/brcm80211/include/brcm_hw_ids.h
index 64d1a7ba040c..af26e0de1e5c 100644
--- a/drivers/net/wireless/brcm80211/include/brcm_hw_ids.h
+++ b/drivers/net/wireless/brcm80211/include/brcm_hw_ids.h
@@ -38,8 +38,12 @@
#define BRCM_CC_4335_CHIP_ID 0x4335
#define BRCM_CC_4339_CHIP_ID 0x4339
#define BRCM_CC_4354_CHIP_ID 0x4354
+#define BRCM_CC_4356_CHIP_ID 0x4356
#define BRCM_CC_43566_CHIP_ID 43566
+#define BRCM_CC_43567_CHIP_ID 43567
#define BRCM_CC_43569_CHIP_ID 43569
+#define BRCM_CC_43570_CHIP_ID 43570
+#define BRCM_CC_43602_CHIP_ID 43602
/* SDIO Device IDs */
#define BRCM_SDIO_43143_DEVICE_ID BRCM_CC_43143_CHIP_ID
@@ -58,6 +62,13 @@
#define BRCM_USB_43569_DEVICE_ID 0xbd27
#define BRCM_USB_BCMFW_DEVICE_ID 0x0bdc
+/* PCIE Device IDs */
+#define BRCM_PCIE_4354_DEVICE_ID 0x43df
+#define BRCM_PCIE_4356_DEVICE_ID 0x43ec
+#define BRCM_PCIE_43567_DEVICE_ID 0x43d3
+#define BRCM_PCIE_43570_DEVICE_ID 0x43d9
+#define BRCM_PCIE_43602_DEVICE_ID 0x43ba
+
/* brcmsmac IDs */
#define BCM4313_D11N2G_ID 0x4727 /* 4313 802.11n 2.4G device */
#define BCM43224_D11N_ID 0x4353 /* 43224 802.11n dualband device */