From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/drivers/net/wireless/rockchip_wlan/cywdhd/bcmdhd/bcmsdspi_linux.c | 423 +++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 414 insertions(+), 9 deletions(-)
diff --git a/kernel/drivers/net/wireless/rockchip_wlan/cywdhd/bcmdhd/bcmsdspi_linux.c b/kernel/drivers/net/wireless/rockchip_wlan/cywdhd/bcmdhd/bcmsdspi_linux.c
index 566a701..eef1190 100644
--- a/kernel/drivers/net/wireless/rockchip_wlan/cywdhd/bcmdhd/bcmsdspi_linux.c
+++ b/kernel/drivers/net/wireless/rockchip_wlan/cywdhd/bcmdhd/bcmsdspi_linux.c
@@ -1,15 +1,16 @@
-/* SPDX-License-Identifier: GPL-2.0 */
/*
* Broadcom SPI Host Controller Driver - Linux Per-port
*
- * Copyright (C) 1999-2019, Broadcom Corporation
- *
+ * Portions of this code are copyright (c) 2022 Cypress Semiconductor Corporation
+ *
+ * Copyright (C) 1999-2017, Broadcom Corporation
+ *
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
- *
+ *
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
@@ -17,7 +18,7 @@
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
- *
+ *
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
@@ -34,37 +35,257 @@
#include <bcmsdbus.h> /* bcmsdh to/from specific controller APIs */
#include <sdiovar.h> /* to get msglevel bit values */
+#ifdef BCMSPI_ANDROID
+#include <bcmsdh.h>
+#include <bcmspibrcm.h>
+#include <linux/spi/spi.h>
+#else
#include <pcicfg.h>
#include <sdio.h> /* SDIO Device and Protocol Specs */
#include <linux/sched.h> /* request_irq(), free_irq() */
#include <bcmsdspi.h>
+#include <bcmdevs.h>
#include <bcmspi.h>
+#endif /* BCMSPI_ANDROID */
+#ifndef GSPIBCM
+#ifndef BCMSPI_ANDROID
extern uint sd_crc;
module_param(sd_crc, uint, 0);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0))
#define KERNEL26
-#endif
+#endif // endif
+#endif /* !BCMSPI_ANDROID */
struct sdos_info {
sdioh_info_t *sd;
spinlock_t lock;
+#ifndef BCMSPI_ANDROID
wait_queue_head_t intr_wait_queue;
+#endif /* !BCMSPI_ANDROID */
};
+#endif /* !GSPIBCM */
+#ifndef BCMSPI_ANDROID
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0))
#define BLOCKABLE() (!in_atomic())
#else
#define BLOCKABLE() (!in_interrupt())
-#endif
+#endif // endif
+/* For Broadcom PCI-SPI Host controller (Raggedstone) */
+#if defined(BCMSPI) && (defined(BCMPCISPIHOST) || defined(GSPIBCM))
+#ifndef SDLX_MSG
+#define SDLX_MSG(x) printf x
+#endif // endif
+extern void* bcmsdh_probe(osl_t *osh, void *dev, void *sdioh, void *adapter_info,
+ uint bus_type, uint bus_num, uint slot_num);
+extern int bcmsdh_remove(bcmsdh_info_t *bcmsdh);
+extern sdioh_info_t * sdioh_attach(osl_t *osh, void *bar0, uint irq);
+extern SDIOH_API_RC sdioh_detach(osl_t *osh, sdioh_info_t *sd);
+
+/* forward declarations for PCI probe and remove functions. */
+static int __devinit bcmsdh_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
+static void __devexit bcmsdh_pci_remove(struct pci_dev *pdev);
+
+/* forward declarations for PCI probe and remove functions. */
+static int __devinit bcmsdh_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
+static void __devexit bcmsdh_pci_remove(struct pci_dev *pdev);
+
+/**
+ * pci id table
+ */
+static struct pci_device_id bcmsdh_pci_devid[] __devinitdata = {
+ { vendor: PCI_ANY_ID,
+ device: PCI_ANY_ID,
+ subvendor: PCI_ANY_ID,
+ subdevice: PCI_ANY_ID,
+ class: 0,
+ class_mask: 0,
+ driver_data: 0,
+ },
+ { 0, }
+};
+MODULE_DEVICE_TABLE(pci, bcmsdh_pci_devid);
+
+/**
+ * PCI-SPI Host Controller: pci driver info
+ */
+static struct pci_driver bcmsdh_pci_driver = {
+ node: {},
+ name: "bcmsdh",
+ id_table: bcmsdh_pci_devid,
+ probe: bcmsdh_pci_probe,
+ remove: bcmsdh_pci_remove,
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0))
+ save_state: NULL,
+#endif // endif
+ suspend: NULL,
+ resume: NULL,
+};
+
+/* Force detection to a particular PCI */
+/* slot only . Allows for having multiple */
+/* WL devices at once in a PC */
+/* Only one instance of dhd will be */
+/* usable at a time */
+/* Upper word is bus number, */
+/* lower word is slot number */
+/* Default value of 0xffffffff turns this off */
+extern uint sd_pci_slot;
+module_param(sd_pci_slot, uint, 0);
+
+/**
+ * Detect supported Host Controller and attach if found.
+ *
+ * Determine if the device described by pdev is a supported PCI Host
+ * Controller. If so, attach to it and attach to the target device.
+ */
+static int __devinit
+bcmsdh_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ osl_t *osh = NULL;
+ sdioh_info_t *sdioh = NULL;
+ void *bcmsdh;
+
+ int rc;
+
+ if (sd_pci_slot != 0xFFFFFFFF) {
+ if (pdev->bus->number != (sd_pci_slot>>16) ||
+ PCI_SLOT(pdev->devfn) != (sd_pci_slot&0xffff)) {
+ SDLX_MSG(("%s: %s: bus %X, slot %X, vend %X, dev %X\n",
+ __FUNCTION__,
+ bcmsdh_chipmatch(pdev->vendor, pdev->device)
+ ?"Found compatible SDIOHC"
+ :"Probing unknown device",
+ pdev->bus->number, PCI_SLOT(pdev->devfn), pdev->vendor,
+ pdev->device));
+ return -ENODEV;
+ }
+ SDLX_MSG(("%s: %s: bus %X, slot %X, vendor %X, device %X (good PCI location)\n",
+ __FUNCTION__,
+ bcmsdh_chipmatch(pdev->vendor, pdev->device)
+ ?"Using compatible SDIOHC"
+ :"WARNING, forced use of unkown device",
+ pdev->bus->number, PCI_SLOT(pdev->devfn), pdev->vendor, pdev->device));
+ }
+
+ if ((pdev->vendor == VENDOR_TI) && ((pdev->device == PCIXX21_FLASHMEDIA_ID) ||
+ (pdev->device == PCIXX21_FLASHMEDIA0_ID))) {
+ uint32 config_reg;
+
+ SDLX_MSG(("%s: Disabling TI FlashMedia Controller.\n", __FUNCTION__));
+ if (!(osh = osl_attach(pdev, PCI_BUS, FALSE))) {
+ SDLX_MSG(("%s: osl_attach failed\n", __FUNCTION__));
+ goto err;
+ }
+ config_reg = OSL_PCI_READ_CONFIG(osh, 0x4c, 4);
+
+ /*
+ * Set MMC_SD_DIS bit in FlashMedia Controller.
+ * Disbling the SD/MMC Controller in the FlashMedia Controller
+ * allows the Standard SD Host Controller to take over control
+ * of the SD Slot.
+ */
+ config_reg |= 0x02;
+ OSL_PCI_WRITE_CONFIG(osh, 0x4c, 4, config_reg);
+ osl_detach(osh);
+ }
+ /* match this pci device with what we support */
+ /* we can't solely rely on this to believe it is our SDIO Host Controller! */
+ if (!bcmsdh_chipmatch(pdev->vendor, pdev->device)) {
+ if (pdev->vendor == VENDOR_BROADCOM) {
+ SDLX_MSG(("%s: Unknown Broadcom device (vendor: %#x, device: %#x).\n",
+ __FUNCTION__, pdev->vendor, pdev->device));
+ }
+ return -ENODEV;
+ }
+
+ /* this is a pci device we might support */
+ SDLX_MSG(("%s: Found possible SDIO Host Controller: bus %d slot %d func %d irq %d\n",
+ __FUNCTION__,
+ pdev->bus->number, PCI_SLOT(pdev->devfn),
+ PCI_FUNC(pdev->devfn), pdev->irq));
+
+ /* use bcmsdh_query_device() to get the vendor ID of the target device so
+ * it will eventually appear in the Broadcom string on the console
+ */
+
+ /* allocate SDIO Host Controller state info */
+ if (!(osh = osl_attach(pdev, PCI_BUS, FALSE))) {
+ SDLX_MSG(("%s: osl_attach failed\n", __FUNCTION__));
+ goto err;
+ }
+
+ /* map to address where host can access */
+ pci_set_master(pdev);
+ rc = pci_enable_device(pdev);
+ if (rc) {
+ SDLX_MSG(("%s: Cannot enable PCI device\n", __FUNCTION__));
+ goto err;
+ }
+
+ if (!(sdioh = sdioh_attach(osh, (void *)(ulong)pci_resource_start(pdev, 0), pdev->irq))) {
+ SDLX_MSG(("%s: bcmsdh_attach failed\n", __FUNCTION__));
+ goto err;
+ }
+
+#ifdef GSPIBCM
+ bcmsdh = bcmsdh_probe(osh, &pdev->dev, sdioh, NULL, PCI_BUS, -1, -1);
+ if (bcmsdh == NULL) {
+#else
+ sdioh->bcmsdh = bcmsdh_probe(osh, &pdev->dev, sdioh, NULL, PCI_BUS, -1, -1);
+ if (sdioh->bcmsdh == NULL) {
+#endif /* GSPIBCM */
+ sd_err(("%s: bcmsdh_probe failed\n", __FUNCTION__));
+ goto err;
+ }
+
+ pci_set_drvdata(pdev, sdioh);
+ return 0;
+
+ /* error handling */
+err:
+ if (sdioh != NULL)
+ sdioh_detach(osh, sdioh);
+ if (osh != NULL)
+ osl_detach(osh);
+ return -ENOMEM;
+
+}
+
+/**
+ * Detach from target devices and PCI-SPI Host Controller
+ */
+static void __devexit
+bcmsdh_pci_remove(struct pci_dev *pdev)
+{
+
+ sdioh_info_t *sdioh = NULL;
+ osl_t *osh;
+
+ sdioh = pci_get_drvdata(pdev);
+ if (sdioh == NULL) {
+ sd_err(("%s: error, no sdh handler found\n", __FUNCTION__));
+ return;
+ }
+
+ osh = sdioh->osh;
+ bcmsdh_remove(sdioh->bcmsdh);
+ sdioh_detach(osh, sdioh);
+ osl_detach(osh);
+
+}
+#endif /* BCMSPI && BCMPCISPIHOST */
+
+#ifndef GSPIBCM
/* Interrupt handler */
static irqreturn_t
sdspi_isr(int irq, void *dev_id
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
, struct pt_regs *ptregs
-#endif
+#endif // endif
)
{
sdioh_info_t *sd;
@@ -89,17 +310,100 @@
return IRQ_RETVAL(ours);
}
}
+#endif /* !GSPIBCM */
+#endif /* !BCMSPI_ANDROID */
+#ifdef BCMSPI_ANDROID
+static struct spi_device *gBCMSPI = NULL;
+extern int bcmsdh_probe(struct device *dev);
+extern int bcmsdh_remove(struct device *dev);
+
+static int bcmsdh_spi_probe(struct spi_device *spi_dev)
+{
+ int ret = 0;
+
+ gBCMSPI = spi_dev;
+
+#ifdef SPI_PIO_32BIT_RW
+ spi_dev->bits_per_word = 32;
+#else
+ spi_dev->bits_per_word = 8;
+#endif /* SPI_PIO_32BIT_RW */
+ ret = spi_setup(spi_dev);
+
+ if (ret) {
+ sd_err(("bcmsdh_spi_probe: spi_setup fail with %d\n", ret));
+ }
+ sd_err(("bcmsdh_spi_probe: spi_setup with %d, bits_per_word=%d\n",
+ ret, spi_dev->bits_per_word));
+ ret = bcmsdh_probe(&spi_dev->dev);
+
+ return ret;
+}
+
+static int bcmsdh_spi_remove(struct spi_device *spi_dev)
+{
+ int ret = 0;
+
+ ret = bcmsdh_remove(&spi_dev->dev);
+ gBCMSPI = NULL;
+
+ return ret;
+}
+
+static struct spi_driver bcmsdh_spi_driver = {
+ .probe = bcmsdh_spi_probe,
+ .remove = bcmsdh_spi_remove,
+ .driver = {
+ .name = "wlan_spi",
+ .bus = &spi_bus_type,
+ .owner = THIS_MODULE,
+ },
+};
+#endif /* BCMSPI_ANDROID */
+
+/*
+ * module init
+*/
+int bcmsdh_register_client_driver(void)
+{
+ int error = 0;
+ sd_trace(("bcmsdh_gspi: %s Enter\n", __FUNCTION__));
+#if defined(BCMSPI) && (defined(BCMPCISPIHOST) || defined(GSPIBCM))
+ error = pci_module_init(&bcmsdh_pci_driver);
+#else
+ error = spi_register_driver(&bcmsdh_spi_driver);
+#endif /* BCMSPI && BCMPCISPIHOST */
+
+ return error;
+}
+
+/*
+ * module cleanup
+*/
+void bcmsdh_unregister_client_driver(void)
+{
+ sd_trace(("%s Enter\n", __FUNCTION__));
+#if defined(BCMSPI) && (defined(BCMPCISPIHOST) || defined(GSPIBCM))
+ pci_unregister_driver(&bcmsdh_pci_driver);
+#else
+ spi_unregister_driver(&bcmsdh_spi_driver);
+#endif /* BCMSPI && BCMPCISPIHOST */
+}
+
+#ifndef GSPIBCM
/* Register with Linux for interrupts */
int
spi_register_irq(sdioh_info_t *sd, uint irq)
{
+#ifndef BCMSPI_ANDROID
sd_trace(("Entering %s: irq == %d\n", __FUNCTION__, irq));
if (request_irq(irq, sdspi_isr, IRQF_SHARED, "bcmsdspi", sd) < 0) {
sd_err(("%s: request_irq() failed\n", __FUNCTION__));
return ERROR;
}
+#endif /* !BCMSPI_ANDROID */
return SUCCESS;
}
@@ -107,10 +411,13 @@
void
spi_free_irq(uint irq, sdioh_info_t *sd)
{
+#ifndef BCMSPI_ANDROID
free_irq(irq, sd);
+#endif /* !BCMSPI_ANDROID */
}
/* Map Host controller registers */
+#ifndef BCMSPI_ANDROID
uint32 *
spi_reg_map(osl_t *osh, uintptr addr, int size)
{
@@ -122,6 +429,7 @@
{
REG_UNMAP((void*)(uintptr)addr);
}
+#endif /* !BCMSPI_ANDROID */
int
spi_osinit(sdioh_info_t *sd)
@@ -135,7 +443,9 @@
sdos->sd = sd;
spin_lock_init(&sdos->lock);
+#ifndef BCMSPI_ANDROID
init_waitqueue_head(&sdos->intr_wait_queue);
+#endif /* !BCMSPI_ANDROID */
return BCME_OK;
}
@@ -166,19 +476,23 @@
return SDIOH_API_RC_FAIL;
}
+#ifndef BCMSPI_ANDROID
if (enable && !(sd->intr_handler && sd->intr_handler_arg)) {
sd_err(("%s: no handler registered, will not enable\n", __FUNCTION__));
return SDIOH_API_RC_FAIL;
}
+#endif /* !BCMSPI_ANDROID */
/* Ensure atomicity for enable/disable calls */
spin_lock_irqsave(&sdos->lock, flags);
sd->client_intr_enabled = enable;
+#ifndef BCMSPI_ANDROID
if (enable && !sd->lockcount)
spi_devintr_on(sd);
else
spi_devintr_off(sd);
+#endif /* !BCMSPI_ANDROID */
spin_unlock_irqrestore(&sdos->lock, flags);
@@ -202,7 +516,12 @@
sd_err(("%s: Already locked!\n", __FUNCTION__));
ASSERT(sd->lockcount == 0);
}
+#ifdef BCMSPI_ANDROID
+ if (sd->client_intr_enabled)
+ bcmsdh_oob_intr_set(0);
+#else
spi_devintr_off(sd);
+#endif /* BCMSPI_ANDROID */
sd->lockcount++;
spin_unlock_irqrestore(&sdos->lock, flags);
}
@@ -222,16 +541,21 @@
spin_lock_irqsave(&sdos->lock, flags);
if (--sd->lockcount == 0 && sd->client_intr_enabled) {
+#ifdef BCMSPI_ANDROID
+ bcmsdh_oob_intr_set(1);
+#else
spi_devintr_on(sd);
+#endif /* BCMSPI_ANDROID */
}
spin_unlock_irqrestore(&sdos->lock, flags);
}
+#ifndef BCMSPI_ANDROID
void spi_waitbits(sdioh_info_t *sd, bool yield)
{
#ifndef BCMSDYIELD
ASSERT(!yield);
-#endif
+#endif // endif
sd_trace(("%s: yield %d canblock %d\n",
__FUNCTION__, yield, BLOCKABLE()));
@@ -251,3 +575,84 @@
}
}
+#else /* !BCMSPI_ANDROID */
+int bcmgspi_dump = 0; /* Set to dump complete trace of all SPI bus transactions */
+
+static void
+hexdump(char *pfx, unsigned char *msg, int msglen)
+{
+ int i, col;
+ char buf[80];
+
+ ASSERT(strlen(pfx) + 49 <= sizeof(buf));
+
+ col = 0;
+
+ for (i = 0; i < msglen; i++, col++) {
+ if (col % 16 == 0)
+ strcpy(buf, pfx);
+ sprintf(buf + strlen(buf), "%02x", msg[i]);
+ if ((col + 1) % 16 == 0)
+ printf("%s\n", buf);
+ else
+ sprintf(buf + strlen(buf), " ");
+ }
+
+ if (col % 16 != 0)
+ printf("%s\n", buf);
+}
+
+/* Send/Receive an SPI Packet */
+void
+spi_sendrecv(sdioh_info_t *sd, uint8 *msg_out, uint8 *msg_in, int msglen)
+{
+ int write = 0;
+ int tx_len = 0;
+ struct spi_message msg;
+ struct spi_transfer t[2];
+
+ spi_message_init(&msg);
+ memset(t, 0, 2*sizeof(struct spi_transfer));
+
+ if (sd->wordlen == 2)
+#if !(defined(SPI_PIO_RW_BIGENDIAN) && defined(SPI_PIO_32BIT_RW))
+ write = msg_out[2] & 0x80;
+#else
+ write = msg_out[1] & 0x80;
+#endif /* !(defined(SPI_PIO_RW_BIGENDIAN) && defined(SPI_PIO_32BIT_RW)) */
+ if (sd->wordlen == 4)
+#if !(defined(SPI_PIO_RW_BIGENDIAN) && defined(SPI_PIO_32BIT_RW))
+ write = msg_out[0] & 0x80;
+#else
+ write = msg_out[3] & 0x80;
+#endif /* !(defined(SPI_PIO_RW_BIGENDIAN) && defined(SPI_PIO_32BIT_RW)) */
+
+ if (bcmgspi_dump) {
+ hexdump(" OUT: ", msg_out, msglen);
+ }
+
+ tx_len = write ? msglen-4 : 4;
+
+ sd_trace(("spi_sendrecv: %s, wordlen %d, cmd : 0x%02x 0x%02x 0x%02x 0x%02x\n",
+ write ? "WR" : "RD", sd->wordlen,
+ msg_out[0], msg_out[1], msg_out[2], msg_out[3]));
+
+ t[0].tx_buf = (char *)&msg_out[0];
+ t[0].rx_buf = 0;
+ t[0].len = tx_len;
+
+ spi_message_add_tail(&t[0], &msg);
+
+ t[1].rx_buf = (char *)&msg_in[tx_len];
+ t[1].tx_buf = 0;
+ t[1].len = msglen-tx_len;
+
+ spi_message_add_tail(&t[1], &msg);
+ spi_sync(gBCMSPI, &msg);
+
+ if (bcmgspi_dump) {
+ hexdump(" IN : ", msg_in, msglen);
+ }
+}
+#endif /* !BCMSPI_ANDROID */
+#endif /* !GSPIBCM */
--
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