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>

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

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) += \

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;

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;

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

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);
 
@@ -1108,6 +1112,9 @@ static void __exit brcmfmac_module_exit(void)
 #endif
 #ifdef CONFIG_BRCMFMAC_USB
 	brcmf_usb_exit();
+#endif
+#ifdef CONFIG_BRCMFMAC_PCIE
+	brcmf_pcie_exit();
 #endif
 	brcmf_debugfs_exit();
 }

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 */

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 */