From 51097579b18df865d833360e850e054ded56f730 Mon Sep 17 00:00:00 2001 From: Kevin Mihelich <kevin@archlinuxarm.org> Date: Sun, 29 Oct 2017 19:51:12 +0000 Subject: [PATCH] core/linux-raspberrypi to 4.9.59-1 --- ...move-the-driver-as-non-functional-on.patch | 1283 ----------------- core/linux-raspberrypi/PKGBUILD | 15 +- core/linux-raspberrypi/config | 44 +- 3 files changed, 25 insertions(+), 1317 deletions(-) delete mode 100644 core/linux-raspberrypi/0001-Revert-vc-cma-Remove-the-driver-as-non-functional-on.patch diff --git a/core/linux-raspberrypi/0001-Revert-vc-cma-Remove-the-driver-as-non-functional-on.patch b/core/linux-raspberrypi/0001-Revert-vc-cma-Remove-the-driver-as-non-functional-on.patch deleted file mode 100644 index e02ce309f..000000000 --- a/core/linux-raspberrypi/0001-Revert-vc-cma-Remove-the-driver-as-non-functional-on.patch +++ /dev/null @@ -1,1283 +0,0 @@ -From 85549a2bfc21286330443a8fe6591f0ba1f090ac Mon Sep 17 00:00:00 2001 -From: Kevin Mihelich <kevin@archlinuxarm.org> -Date: Sat, 21 Oct 2017 10:14:35 -0600 -Subject: [PATCH] Revert "vc-cma: Remove the driver as non-functional on Pi" - -This reverts commit b017e4f94b17ac322340159f63c546e8d115b104. ---- - arch/arm/configs/bcm2709_defconfig | 1 + - arch/arm/configs/bcmrpi_defconfig | 1 + - drivers/char/broadcom/Kconfig | 7 + - drivers/char/broadcom/Makefile | 1 + - drivers/char/broadcom/vc_cma/Makefile | 7 + - drivers/char/broadcom/vc_cma/vc_cma.c | 1193 +++++++++++++++++++++++++++++++++ - 6 files changed, 1210 insertions(+) - create mode 100644 drivers/char/broadcom/vc_cma/Makefile - create mode 100644 drivers/char/broadcom/vc_cma/vc_cma.c - -diff --git a/arch/arm/configs/bcm2709_defconfig b/arch/arm/configs/bcm2709_defconfig -index 889922c4..199550c7 100644 ---- a/arch/arm/configs/bcm2709_defconfig -+++ b/arch/arm/configs/bcm2709_defconfig -@@ -595,6 +595,7 @@ CONFIG_GAMEPORT=m - CONFIG_GAMEPORT_NS558=m - CONFIG_GAMEPORT_L4=m - CONFIG_BRCM_CHAR_DRIVERS=y -+CONFIG_BCM_VC_CMA=y - CONFIG_BCM_VCIO=y - CONFIG_BCM_VC_SM=y - # CONFIG_LEGACY_PTYS is not set -diff --git a/arch/arm/configs/bcmrpi_defconfig b/arch/arm/configs/bcmrpi_defconfig -index 6a098ee6..e36c0f92 100644 ---- a/arch/arm/configs/bcmrpi_defconfig -+++ b/arch/arm/configs/bcmrpi_defconfig -@@ -591,6 +591,7 @@ CONFIG_GAMEPORT=m - CONFIG_GAMEPORT_NS558=m - CONFIG_GAMEPORT_L4=m - CONFIG_BRCM_CHAR_DRIVERS=y -+CONFIG_BCM_VC_CMA=y - CONFIG_BCM_VCIO=y - CONFIG_BCM_VC_SM=y - # CONFIG_LEGACY_PTYS is not set -diff --git a/drivers/char/broadcom/Kconfig b/drivers/char/broadcom/Kconfig -index 77bf68a8..03216491 100644 ---- a/drivers/char/broadcom/Kconfig -+++ b/drivers/char/broadcom/Kconfig -@@ -9,6 +9,13 @@ menuconfig BRCM_CHAR_DRIVERS - - if BRCM_CHAR_DRIVERS - -+config BCM_VC_CMA -+ bool "Videocore CMA" -+ depends on CMA && BCM2708_VCHIQ -+ default n -+ help -+ Helper for videocore CMA access. -+ - config BCM2708_VCMEM - bool "Videocore Memory" - default y -diff --git a/drivers/char/broadcom/Makefile b/drivers/char/broadcom/Makefile -index 7d9cb3e0..14775c9b 100644 ---- a/drivers/char/broadcom/Makefile -+++ b/drivers/char/broadcom/Makefile -@@ -1,3 +1,4 @@ -+obj-$(CONFIG_BCM_VC_CMA) += vc_cma/ - obj-$(CONFIG_BCM2708_VCMEM) += vc_mem.o - obj-$(CONFIG_BCM_VCIO) += vcio.o - obj-$(CONFIG_BCM_VC_SM) += vc_sm/ -diff --git a/drivers/char/broadcom/vc_cma/Makefile b/drivers/char/broadcom/vc_cma/Makefile -new file mode 100644 -index 00000000..d222313e ---- /dev/null -+++ b/drivers/char/broadcom/vc_cma/Makefile -@@ -0,0 +1,7 @@ -+ccflags-$(CONFIG_BCM_VC_CMA) += -Wall -Wstrict-prototypes -Wno-trigraphs -Werror -+ccflags-$(CONFIG_BCM_VC_CMA) += -Iinclude/linux/broadcom -Idrivers/staging/vc04_services -Idrivers/staging/vc04_services/interface/vchi -Idrivers/staging/vc04_services/interface/vchiq_arm -+ccflags-$(CONFIG_BCM_VC_CMA) += -D__KERNEL__ -D__linux__ -+ -+obj-$(CONFIG_BCM_VC_CMA) += vc-cma.o -+ -+vc-cma-objs := vc_cma.o -diff --git a/drivers/char/broadcom/vc_cma/vc_cma.c b/drivers/char/broadcom/vc_cma/vc_cma.c -new file mode 100644 -index 00000000..85f6e9da ---- /dev/null -+++ b/drivers/char/broadcom/vc_cma/vc_cma.c -@@ -0,0 +1,1193 @@ -+/** -+ * Copyright (c) 2010-2012 Broadcom. All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions, and the following disclaimer, -+ * without modification. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The names of the above-listed copyright holders may not be used -+ * to endorse or promote products derived from this software without -+ * specific prior written permission. -+ * -+ * ALTERNATIVELY, this software may be distributed under the terms of the -+ * GNU General Public License ("GPL") version 2, as published by the Free -+ * Software Foundation. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS -+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, -+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR -+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR -+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/kthread.h> -+#include <linux/fs.h> -+#include <linux/device.h> -+#include <linux/cdev.h> -+#include <linux/mm.h> -+#include <linux/proc_fs.h> -+#include <linux/seq_file.h> -+#include <linux/dma-mapping.h> -+#include <linux/dma-contiguous.h> -+#include <linux/platform_device.h> -+#include <linux/uaccess.h> -+#include <asm/cacheflush.h> -+ -+#include "vc_cma.h" -+ -+#include "vchiq_util.h" -+#include "vchiq_connected.h" -+//#include "debug_sym.h" -+//#include "vc_mem.h" -+ -+#define DRIVER_NAME "vc-cma" -+ -+#define LOG_DBG(fmt, ...) \ -+ if (vc_cma_debug) \ -+ printk(KERN_INFO fmt "\n", ##__VA_ARGS__) -+#define LOG_INFO(fmt, ...) \ -+ printk(KERN_INFO fmt "\n", ##__VA_ARGS__) -+#define LOG_ERR(fmt, ...) \ -+ printk(KERN_ERR fmt "\n", ##__VA_ARGS__) -+ -+#define VC_CMA_FOURCC VCHIQ_MAKE_FOURCC('C', 'M', 'A', ' ') -+#define VC_CMA_VERSION 2 -+ -+#define VC_CMA_CHUNK_ORDER 6 /* 256K */ -+#define VC_CMA_CHUNK_SIZE (4096 << VC_CMA_CHUNK_ORDER) -+#define VC_CMA_MAX_PARAMS_PER_MSG \ -+ ((VCHIQ_MAX_MSG_SIZE - sizeof(unsigned short))/sizeof(unsigned short)) -+#define VC_CMA_RESERVE_COUNT_MAX 16 -+ -+#define PAGES_PER_CHUNK (VC_CMA_CHUNK_SIZE / PAGE_SIZE) -+ -+#define VCADDR_TO_PHYSADDR(vcaddr) (mm_vc_mem_phys_addr + vcaddr) -+ -+#define loud_error(...) \ -+ LOG_ERR("===== " __VA_ARGS__) -+ -+enum { -+ VC_CMA_MSG_QUIT, -+ VC_CMA_MSG_OPEN, -+ VC_CMA_MSG_TICK, -+ VC_CMA_MSG_ALLOC, /* chunk count */ -+ VC_CMA_MSG_FREE, /* chunk, chunk, ... */ -+ VC_CMA_MSG_ALLOCATED, /* chunk, chunk, ... */ -+ VC_CMA_MSG_REQUEST_ALLOC, /* chunk count */ -+ VC_CMA_MSG_REQUEST_FREE, /* chunk count */ -+ VC_CMA_MSG_RESERVE, /* bytes lo, bytes hi */ -+ VC_CMA_MSG_UPDATE_RESERVE, -+ VC_CMA_MSG_MAX -+}; -+ -+struct cma_msg { -+ unsigned short type; -+ unsigned short params[VC_CMA_MAX_PARAMS_PER_MSG]; -+}; -+ -+struct vc_cma_reserve_user { -+ unsigned int pid; -+ unsigned int reserve; -+}; -+ -+/* Device (/dev) related variables */ -+static dev_t vc_cma_devnum; -+static struct class *vc_cma_class; -+static struct cdev vc_cma_cdev; -+static int vc_cma_inited; -+static int vc_cma_debug; -+ -+/* Proc entry */ -+static struct proc_dir_entry *vc_cma_proc_entry; -+ -+phys_addr_t vc_cma_base; -+struct page *vc_cma_base_page; -+unsigned int vc_cma_size; -+EXPORT_SYMBOL(vc_cma_size); -+unsigned int vc_cma_initial; -+unsigned int vc_cma_chunks; -+unsigned int vc_cma_chunks_used; -+unsigned int vc_cma_chunks_reserved; -+ -+ -+void *vc_cma_dma_alloc; -+unsigned int vc_cma_dma_size; -+ -+static int in_loud_error; -+ -+unsigned int vc_cma_reserve_total; -+unsigned int vc_cma_reserve_count; -+struct vc_cma_reserve_user vc_cma_reserve_users[VC_CMA_RESERVE_COUNT_MAX]; -+static DEFINE_SEMAPHORE(vc_cma_reserve_mutex); -+static DEFINE_SEMAPHORE(vc_cma_worker_queue_push_mutex); -+ -+static u64 vc_cma_dma_mask = DMA_BIT_MASK(32); -+static struct platform_device vc_cma_device = { -+ .name = "vc-cma", -+ .id = 0, -+ .dev = { -+ .dma_mask = &vc_cma_dma_mask, -+ .coherent_dma_mask = DMA_BIT_MASK(32), -+ }, -+}; -+ -+static VCHIQ_INSTANCE_T cma_instance; -+static VCHIQ_SERVICE_HANDLE_T cma_service; -+static VCHIU_QUEUE_T cma_msg_queue; -+static struct task_struct *cma_worker; -+ -+static int vc_cma_set_reserve(unsigned int reserve, unsigned int pid); -+static int vc_cma_alloc_chunks(int num_chunks, struct cma_msg *reply); -+static VCHIQ_STATUS_T cma_service_callback(VCHIQ_REASON_T reason, -+ VCHIQ_HEADER_T * header, -+ VCHIQ_SERVICE_HANDLE_T service, -+ void *bulk_userdata); -+static void send_vc_msg(unsigned short type, -+ unsigned short param1, unsigned short param2); -+static bool send_worker_msg(VCHIQ_HEADER_T * msg); -+ -+static int early_vc_cma_mem(char *p) -+{ -+ unsigned int new_size; -+ printk(KERN_NOTICE "early_vc_cma_mem(%s)", p); -+ vc_cma_size = memparse(p, &p); -+ vc_cma_initial = vc_cma_size; -+ if (*p == '/') -+ vc_cma_size = memparse(p + 1, &p); -+ if (*p == '@') -+ vc_cma_base = memparse(p + 1, &p); -+ -+ new_size = (vc_cma_size - ((-vc_cma_base) & (VC_CMA_CHUNK_SIZE - 1))) -+ & ~(VC_CMA_CHUNK_SIZE - 1); -+ if (new_size > vc_cma_size) -+ vc_cma_size = 0; -+ vc_cma_initial = (vc_cma_initial + VC_CMA_CHUNK_SIZE - 1) -+ & ~(VC_CMA_CHUNK_SIZE - 1); -+ if (vc_cma_initial > vc_cma_size) -+ vc_cma_initial = vc_cma_size; -+ vc_cma_base = (vc_cma_base + VC_CMA_CHUNK_SIZE - 1) -+ & ~(VC_CMA_CHUNK_SIZE - 1); -+ -+ printk(KERN_NOTICE " -> initial %x, size %x, base %x", vc_cma_initial, -+ vc_cma_size, (unsigned int)vc_cma_base); -+ -+ return 0; -+} -+ -+early_param("vc-cma-mem", early_vc_cma_mem); -+ -+void __init vc_cma_early_init(void) -+{ -+ LOG_DBG("vc_cma_early_init - vc_cma_chunks = %d", vc_cma_chunks); -+ if (vc_cma_size) { -+ int rc = platform_device_register(&vc_cma_device); -+ LOG_DBG("platform_device_register -> %d", rc); -+ } -+} -+ -+void __init vc_cma_reserve(void) -+{ -+ /* if vc_cma_size is set, then declare vc CMA area of the same -+ * size from the end of memory -+ */ -+ if (vc_cma_size) { -+ if (dma_declare_contiguous(&vc_cma_device.dev, vc_cma_size, -+ vc_cma_base, 0) == 0) { -+ if (!dev_get_cma_area(NULL)) { -+ /* There is no default CMA area - make this -+ the default */ -+ struct cma *vc_cma_area = dev_get_cma_area( -+ &vc_cma_device.dev); -+ dma_contiguous_set_default(vc_cma_area); -+ LOG_INFO("vc_cma_reserve - using vc_cma as " -+ "the default contiguous DMA area"); -+ } -+ } else { -+ LOG_ERR("vc_cma: dma_declare_contiguous(%x,%x) failed", -+ vc_cma_size, (unsigned int)vc_cma_base); -+ vc_cma_size = 0; -+ } -+ } -+ vc_cma_chunks = vc_cma_size / VC_CMA_CHUNK_SIZE; -+} -+ -+/**************************************************************************** -+* -+* vc_cma_open -+* -+***************************************************************************/ -+ -+static int vc_cma_open(struct inode *inode, struct file *file) -+{ -+ (void)inode; -+ (void)file; -+ -+ return 0; -+} -+ -+/**************************************************************************** -+* -+* vc_cma_release -+* -+***************************************************************************/ -+ -+static int vc_cma_release(struct inode *inode, struct file *file) -+{ -+ (void)inode; -+ (void)file; -+ -+ vc_cma_set_reserve(0, current->tgid); -+ -+ return 0; -+} -+ -+/**************************************************************************** -+* -+* vc_cma_ioctl -+* -+***************************************************************************/ -+ -+static long vc_cma_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -+{ -+ int rc = 0; -+ -+ (void)cmd; -+ (void)arg; -+ -+ switch (cmd) { -+ case VC_CMA_IOC_RESERVE: -+ rc = vc_cma_set_reserve((unsigned int)arg, current->tgid); -+ if (rc >= 0) -+ rc = 0; -+ break; -+ default: -+ LOG_ERR("vc-cma: Unknown ioctl %x", cmd); -+ return -ENOTTY; -+ } -+ -+ return rc; -+} -+ -+/**************************************************************************** -+* -+* File Operations for the driver. -+* -+***************************************************************************/ -+ -+static const struct file_operations vc_cma_fops = { -+ .owner = THIS_MODULE, -+ .open = vc_cma_open, -+ .release = vc_cma_release, -+ .unlocked_ioctl = vc_cma_ioctl, -+}; -+ -+/**************************************************************************** -+* -+* vc_cma_proc_open -+* -+***************************************************************************/ -+ -+static int vc_cma_show_info(struct seq_file *m, void *v) -+{ -+ int i; -+ -+ seq_printf(m, "Videocore CMA:\n"); -+ seq_printf(m, " Base : %08x\n", (unsigned int)vc_cma_base); -+ seq_printf(m, " Length : %08x\n", vc_cma_size); -+ seq_printf(m, " Initial : %08x\n", vc_cma_initial); -+ seq_printf(m, " Chunk size : %08x\n", VC_CMA_CHUNK_SIZE); -+ seq_printf(m, " Chunks : %4d (%d bytes)\n", -+ (int)vc_cma_chunks, -+ (int)(vc_cma_chunks * VC_CMA_CHUNK_SIZE)); -+ seq_printf(m, " Used : %4d (%d bytes)\n", -+ (int)vc_cma_chunks_used, -+ (int)(vc_cma_chunks_used * VC_CMA_CHUNK_SIZE)); -+ seq_printf(m, " Reserved : %4d (%d bytes)\n", -+ (unsigned int)vc_cma_chunks_reserved, -+ (int)(vc_cma_chunks_reserved * VC_CMA_CHUNK_SIZE)); -+ -+ for (i = 0; i < vc_cma_reserve_count; i++) { -+ struct vc_cma_reserve_user *user = &vc_cma_reserve_users[i]; -+ seq_printf(m, " PID %5d: %d bytes\n", user->pid, -+ user->reserve); -+ } -+ seq_printf(m, " dma_alloc : %p (%d pages)\n", -+ vc_cma_dma_alloc ? page_address(vc_cma_dma_alloc) : 0, -+ vc_cma_dma_size); -+ -+ seq_printf(m, "\n"); -+ -+ return 0; -+} -+ -+static int vc_cma_proc_open(struct inode *inode, struct file *file) -+{ -+ return single_open(file, vc_cma_show_info, NULL); -+} -+ -+/**************************************************************************** -+* -+* vc_cma_proc_write -+* -+***************************************************************************/ -+ -+static int vc_cma_proc_write(struct file *file, -+ const char __user *buffer, -+ size_t size, loff_t *ppos) -+{ -+ int rc = -EFAULT; -+ char input_str[20]; -+ -+ memset(input_str, 0, sizeof(input_str)); -+ -+ if (size > sizeof(input_str)) { -+ LOG_ERR("%s: input string length too long", __func__); -+ goto out; -+ } -+ -+ if (copy_from_user(input_str, buffer, size - 1)) { -+ LOG_ERR("%s: failed to get input string", __func__); -+ goto out; -+ } -+#define ALLOC_STR "alloc" -+#define FREE_STR "free" -+#define DEBUG_STR "debug" -+#define RESERVE_STR "reserve" -+#define DMA_ALLOC_STR "dma_alloc" -+#define DMA_FREE_STR "dma_free" -+ if (strncmp(input_str, ALLOC_STR, strlen(ALLOC_STR)) == 0) { -+ int alloc_size; -+ char *p = input_str + strlen(ALLOC_STR); -+ -+ while (*p == ' ') -+ p++; -+ alloc_size = memparse(p, NULL); -+ LOG_INFO("/proc/vc-cma: alloc %d", alloc_size); -+ if (alloc_size) -+ send_vc_msg(VC_CMA_MSG_REQUEST_FREE, -+ alloc_size / VC_CMA_CHUNK_SIZE, 0); -+ else -+ LOG_ERR("invalid size '%s'", p); -+ rc = size; -+ } else if (strncmp(input_str, FREE_STR, strlen(FREE_STR)) == 0) { -+ int alloc_size; -+ char *p = input_str + strlen(FREE_STR); -+ -+ while (*p == ' ') -+ p++; -+ alloc_size = memparse(p, NULL); -+ LOG_INFO("/proc/vc-cma: free %d", alloc_size); -+ if (alloc_size) -+ send_vc_msg(VC_CMA_MSG_REQUEST_ALLOC, -+ alloc_size / VC_CMA_CHUNK_SIZE, 0); -+ else -+ LOG_ERR("invalid size '%s'", p); -+ rc = size; -+ } else if (strncmp(input_str, DEBUG_STR, strlen(DEBUG_STR)) == 0) { -+ char *p = input_str + strlen(DEBUG_STR); -+ while (*p == ' ') -+ p++; -+ if ((strcmp(p, "on") == 0) || (strcmp(p, "1") == 0)) -+ vc_cma_debug = 1; -+ else if ((strcmp(p, "off") == 0) || (strcmp(p, "0") == 0)) -+ vc_cma_debug = 0; -+ LOG_INFO("/proc/vc-cma: debug %s", vc_cma_debug ? "on" : "off"); -+ rc = size; -+ } else if (strncmp(input_str, RESERVE_STR, strlen(RESERVE_STR)) == 0) { -+ int alloc_size; -+ int reserved; -+ char *p = input_str + strlen(RESERVE_STR); -+ while (*p == ' ') -+ p++; -+ alloc_size = memparse(p, NULL); -+ -+ reserved = vc_cma_set_reserve(alloc_size, current->tgid); -+ rc = (reserved >= 0) ? size : reserved; -+ } else if (strncmp(input_str, DMA_ALLOC_STR, strlen(DMA_ALLOC_STR)) == 0) { -+ int alloc_size; -+ char *p = input_str + strlen(DMA_ALLOC_STR); -+ while (*p == ' ') -+ p++; -+ alloc_size = memparse(p, NULL); -+ -+ if (vc_cma_dma_alloc) { -+ dma_release_from_contiguous(NULL, vc_cma_dma_alloc, -+ vc_cma_dma_size); -+ vc_cma_dma_alloc = NULL; -+ vc_cma_dma_size = 0; -+ } -+ vc_cma_dma_alloc = dma_alloc_from_contiguous(NULL, alloc_size, 0); -+ vc_cma_dma_size = (vc_cma_dma_alloc ? alloc_size : 0); -+ if (vc_cma_dma_alloc) -+ LOG_INFO("dma_alloc(%d pages) -> %p", alloc_size, page_address(vc_cma_dma_alloc)); -+ else -+ LOG_ERR("dma_alloc(%d pages) failed", alloc_size); -+ rc = size; -+ } else if (strncmp(input_str, DMA_FREE_STR, strlen(DMA_FREE_STR)) == 0) { -+ if (vc_cma_dma_alloc) { -+ dma_release_from_contiguous(NULL, vc_cma_dma_alloc, -+ vc_cma_dma_size); -+ vc_cma_dma_alloc = NULL; -+ vc_cma_dma_size = 0; -+ } -+ rc = size; -+ } -+ -+out: -+ return rc; -+} -+ -+/**************************************************************************** -+* -+* File Operations for /proc interface. -+* -+***************************************************************************/ -+ -+static const struct file_operations vc_cma_proc_fops = { -+ .open = vc_cma_proc_open, -+ .read = seq_read, -+ .write = vc_cma_proc_write, -+ .llseek = seq_lseek, -+ .release = single_release -+}; -+ -+static int vc_cma_set_reserve(unsigned int reserve, unsigned int pid) -+{ -+ struct vc_cma_reserve_user *user = NULL; -+ int delta = 0; -+ int i; -+ -+ if (down_interruptible(&vc_cma_reserve_mutex)) -+ return -ERESTARTSYS; -+ -+ for (i = 0; i < vc_cma_reserve_count; i++) { -+ if (pid == vc_cma_reserve_users[i].pid) { -+ user = &vc_cma_reserve_users[i]; -+ delta = reserve - user->reserve; -+ if (reserve) -+ user->reserve = reserve; -+ else { -+ /* Remove this entry by copying downwards */ -+ while ((i + 1) < vc_cma_reserve_count) { -+ user[0].pid = user[1].pid; -+ user[0].reserve = user[1].reserve; -+ user++; -+ i++; -+ } -+ vc_cma_reserve_count--; -+ user = NULL; -+ } -+ break; -+ } -+ } -+ -+ if (reserve && !user) { -+ if (vc_cma_reserve_count == VC_CMA_RESERVE_COUNT_MAX) { -+ LOG_ERR("vc-cma: Too many reservations - " -+ "increase CMA_RESERVE_COUNT_MAX"); -+ up(&vc_cma_reserve_mutex); -+ return -EBUSY; -+ } -+ user = &vc_cma_reserve_users[vc_cma_reserve_count]; -+ user->pid = pid; -+ user->reserve = reserve; -+ delta = reserve; -+ vc_cma_reserve_count++; -+ } -+ -+ vc_cma_reserve_total += delta; -+ -+ send_vc_msg(VC_CMA_MSG_RESERVE, -+ vc_cma_reserve_total & 0xffff, vc_cma_reserve_total >> 16); -+ -+ send_worker_msg((VCHIQ_HEADER_T *) VC_CMA_MSG_UPDATE_RESERVE); -+ -+ LOG_DBG("/proc/vc-cma: reserve %d (PID %d) - total %u", -+ reserve, pid, vc_cma_reserve_total); -+ -+ up(&vc_cma_reserve_mutex); -+ -+ return vc_cma_reserve_total; -+} -+ -+static VCHIQ_STATUS_T cma_service_callback(VCHIQ_REASON_T reason, -+ VCHIQ_HEADER_T * header, -+ VCHIQ_SERVICE_HANDLE_T service, -+ void *bulk_userdata) -+{ -+ switch (reason) { -+ case VCHIQ_MESSAGE_AVAILABLE: -+ if (!send_worker_msg(header)) -+ return VCHIQ_RETRY; -+ break; -+ case VCHIQ_SERVICE_CLOSED: -+ LOG_DBG("CMA service closed"); -+ break; -+ default: -+ LOG_ERR("Unexpected CMA callback reason %d", reason); -+ break; -+ } -+ return VCHIQ_SUCCESS; -+} -+ -+static void send_vc_msg(unsigned short type, -+ unsigned short param1, unsigned short param2) -+{ -+ unsigned short msg[] = { type, param1, param2 }; -+ VCHIQ_ELEMENT_T elem = { &msg, sizeof(msg) }; -+ VCHIQ_STATUS_T ret; -+ vchiq_use_service(cma_service); -+ ret = vchiq_queue_message(cma_service, &elem, 1); -+ vchiq_release_service(cma_service); -+ if (ret != VCHIQ_SUCCESS) -+ LOG_ERR("vchiq_queue_message returned %x", ret); -+} -+ -+static bool send_worker_msg(VCHIQ_HEADER_T * msg) -+{ -+ if (down_interruptible(&vc_cma_worker_queue_push_mutex)) -+ return false; -+ vchiu_queue_push(&cma_msg_queue, msg); -+ up(&vc_cma_worker_queue_push_mutex); -+ return true; -+} -+ -+static int vc_cma_alloc_chunks(int num_chunks, struct cma_msg *reply) -+{ -+ int i; -+ for (i = 0; i < num_chunks; i++) { -+ struct page *chunk; -+ unsigned int chunk_num; -+ uint8_t *chunk_addr; -+ size_t chunk_size = PAGES_PER_CHUNK << PAGE_SHIFT; -+ -+ chunk = dma_alloc_from_contiguous(&vc_cma_device.dev, -+ PAGES_PER_CHUNK, -+ VC_CMA_CHUNK_ORDER); -+ if (!chunk) -+ break; -+ -+ chunk_addr = page_address(chunk); -+ dmac_flush_range(chunk_addr, chunk_addr + chunk_size); -+ outer_inv_range(__pa(chunk_addr), __pa(chunk_addr) + -+ chunk_size); -+ -+ chunk_num = -+ (page_to_phys(chunk) - vc_cma_base) / VC_CMA_CHUNK_SIZE; -+ BUG_ON(((page_to_phys(chunk) - vc_cma_base) % -+ VC_CMA_CHUNK_SIZE) != 0); -+ if (chunk_num >= vc_cma_chunks) { -+ phys_addr_t _pa = vc_cma_base + vc_cma_size - 1; -+ LOG_ERR("%s: ===============================", -+ __func__); -+ LOG_ERR("%s: chunk phys %x, vc_cma %pa-%pa - " -+ "bad SPARSEMEM configuration?", -+ __func__, (unsigned int)page_to_phys(chunk), -+ &vc_cma_base, &_pa); -+ LOG_ERR("%s: dev->cma_area = %p", __func__, -+ (void*)0/*vc_cma_device.dev.cma_area*/); -+ LOG_ERR("%s: ===============================", -+ __func__); -+ break; -+ } -+ reply->params[i] = chunk_num; -+ vc_cma_chunks_used++; -+ } -+ -+ if (i < num_chunks) { -+ LOG_ERR("%s: dma_alloc_from_contiguous failed " -+ "for %x bytes (alloc %d of %d, %d free)", -+ __func__, VC_CMA_CHUNK_SIZE, i, -+ num_chunks, vc_cma_chunks - vc_cma_chunks_used); -+ num_chunks = i; -+ } -+ -+ LOG_DBG("CMA allocated %d chunks -> %d used", -+ num_chunks, vc_cma_chunks_used); -+ reply->type = VC_CMA_MSG_ALLOCATED; -+ -+ { -+ VCHIQ_ELEMENT_T elem = { -+ reply, -+ offsetof(struct cma_msg, params[0]) + -+ num_chunks * sizeof(reply->params[0]) -+ }; -+ VCHIQ_STATUS_T ret; -+ vchiq_use_service(cma_service); -+ ret = vchiq_queue_message(cma_service, &elem, 1); -+ vchiq_release_service(cma_service); -+ if (ret != VCHIQ_SUCCESS) -+ LOG_ERR("vchiq_queue_message return " "%x", ret); -+ } -+ -+ return num_chunks; -+} -+ -+static int cma_worker_proc(void *param) -+{ -+ static struct cma_msg reply; -+ (void)param; -+ -+ while (1) { -+ VCHIQ_HEADER_T *msg; -+ static struct cma_msg msg_copy; -+ struct cma_msg *cma_msg = &msg_copy; -+ int type, msg_size; -+ -+ msg = vchiu_queue_pop(&cma_msg_queue); -+ if ((unsigned int)msg >= VC_CMA_MSG_MAX) { -+ msg_size = msg->size; -+ memcpy(&msg_copy, msg->data, msg_size); -+ type = cma_msg->type; -+ vchiq_release_message(cma_service, msg); -+ } else { -+ msg_size = 0; -+ type = (int)msg; -+ if (type == VC_CMA_MSG_QUIT) -+ break; -+ else if (type == VC_CMA_MSG_UPDATE_RESERVE) { -+ msg = NULL; -+ cma_msg = NULL; -+ } else { -+ BUG(); -+ continue; -+ } -+ } -+ -+ switch (type) { -+ case VC_CMA_MSG_ALLOC:{ -+ int num_chunks, free_chunks; -+ num_chunks = cma_msg->params[0]; -+ free_chunks = -+ vc_cma_chunks - vc_cma_chunks_used; -+ LOG_DBG("CMA_MSG_ALLOC(%d chunks)", num_chunks); -+ if (num_chunks > VC_CMA_MAX_PARAMS_PER_MSG) { -+ LOG_ERR -+ ("CMA_MSG_ALLOC - chunk count (%d) " -+ "exceeds VC_CMA_MAX_PARAMS_PER_MSG (%d)", -+ num_chunks, -+ VC_CMA_MAX_PARAMS_PER_MSG); -+ num_chunks = VC_CMA_MAX_PARAMS_PER_MSG; -+ } -+ -+ if (num_chunks > free_chunks) { -+ LOG_ERR -+ ("CMA_MSG_ALLOC - chunk count (%d) " -+ "exceeds free chunks (%d)", -+ num_chunks, free_chunks); -+ num_chunks = free_chunks; -+ } -+ -+ vc_cma_alloc_chunks(num_chunks, &reply); -+ } -+ break; -+ -+ case VC_CMA_MSG_FREE:{ -+ int chunk_count = -+ (msg_size - -+ offsetof(struct cma_msg, -+ params)) / -+ sizeof(cma_msg->params[0]); -+ int i; -+ BUG_ON(chunk_count <= 0); -+ -+ LOG_DBG("CMA_MSG_FREE(%d chunks - %x, ...)", -+ chunk_count, cma_msg->params[0]); -+ for (i = 0; i < chunk_count; i++) { -+ int chunk_num = cma_msg->params[i]; -+ struct page *page = vc_cma_base_page + -+ chunk_num * PAGES_PER_CHUNK; -+ if (chunk_num >= vc_cma_chunks) { -+ LOG_ERR -+ ("CMA_MSG_FREE - chunk %d of %d" -+ " (value %x) exceeds maximum " -+ "(%x)", i, chunk_count, -+ chunk_num, -+ vc_cma_chunks - 1); -+ break; -+ } -+ -+ if (!dma_release_from_contiguous -+ (&vc_cma_device.dev, page, -+ PAGES_PER_CHUNK)) { -+ phys_addr_t _pa = page_to_phys(page); -+ LOG_ERR -+ ("CMA_MSG_FREE - failed to " -+ "release chunk %d (phys %pa, " -+ "page %x)", chunk_num, -+ &_pa, -+ (unsigned int)page); -+ } -+ vc_cma_chunks_used--; -+ } -+ LOG_DBG("CMA released %d chunks -> %d used", -+ i, vc_cma_chunks_used); -+ } -+ break; -+ -+ case VC_CMA_MSG_UPDATE_RESERVE:{ -+ int chunks_needed = -+ ((vc_cma_reserve_total + VC_CMA_CHUNK_SIZE - -+ 1) -+ / VC_CMA_CHUNK_SIZE) - -+ vc_cma_chunks_reserved; -+ -+ LOG_DBG -+ ("CMA_MSG_UPDATE_RESERVE(%d chunks needed)", -+ chunks_needed); -+ -+ /* Cap the reservations to what is available */ -+ if (chunks_needed > 0) { -+ if (chunks_needed > -+ (vc_cma_chunks - -+ vc_cma_chunks_used)) -+ chunks_needed = -+ (vc_cma_chunks - -+ vc_cma_chunks_used); -+ -+ chunks_needed = -+ vc_cma_alloc_chunks(chunks_needed, -+ &reply); -+ } -+ -+ LOG_DBG -+ ("CMA_MSG_UPDATE_RESERVE(%d chunks allocated)", -+ chunks_needed); -+ vc_cma_chunks_reserved += chunks_needed; -+ } -+ break; -+ -+ default: -+ LOG_ERR("unexpected msg type %d", type); -+ break; -+ } -+ } -+ -+ LOG_DBG("quitting..."); -+ return 0; -+} -+ -+/**************************************************************************** -+* -+* vc_cma_connected_init -+* -+* This function is called once the videocore has been connected. -+* -+***************************************************************************/ -+ -+static void vc_cma_connected_init(void) -+{ -+ VCHIQ_SERVICE_PARAMS_T service_params; -+ -+ LOG_DBG("vc_cma_connected_init"); -+ -+ if (!vchiu_queue_init(&cma_msg_queue, 16)) { -+ LOG_ERR("could not create CMA msg queue"); -+ goto fail_queue; -+ } -+ -+ if (vchiq_initialise(&cma_instance) != VCHIQ_SUCCESS) -+ goto fail_vchiq_init; -+ -+ vchiq_connect(cma_instance); -+ -+ service_params.fourcc = VC_CMA_FOURCC; -+ service_params.callback = cma_service_callback; -+ service_params.userdata = NULL; -+ service_params.version = VC_CMA_VERSION; -+ service_params.version_min = VC_CMA_VERSION; -+ -+ if (vchiq_open_service(cma_instance, &service_params, -+ &cma_service) != VCHIQ_SUCCESS) { -+ LOG_ERR("failed to open service - already in use?"); -+ goto fail_vchiq_open; -+ } -+ -+ vchiq_release_service(cma_service); -+ -+ cma_worker = kthread_create(cma_worker_proc, NULL, "cma_worker"); -+ if (!cma_worker) { -+ LOG_ERR("could not create CMA worker thread"); -+ goto fail_worker; -+ } -+ set_user_nice(cma_worker, -20); -+ wake_up_process(cma_worker); -+ -+ return; -+ -+fail_worker: -+ vchiq_close_service(cma_service); -+fail_vchiq_open: -+ vchiq_shutdown(cma_instance); -+fail_vchiq_init: -+ vchiu_queue_delete(&cma_msg_queue); -+fail_queue: -+ return; -+} -+ -+void -+loud_error_header(void) -+{ -+ if (in_loud_error) -+ return; -+ -+ LOG_ERR("============================================================" -+ "================"); -+ LOG_ERR("============================================================" -+ "================"); -+ LOG_ERR("====="); -+ -+ in_loud_error = 1; -+} -+ -+void -+loud_error_footer(void) -+{ -+ if (!in_loud_error) -+ return; -+ -+ LOG_ERR("====="); -+ LOG_ERR("============================================================" -+ "================"); -+ LOG_ERR("============================================================" -+ "================"); -+ -+ in_loud_error = 0; -+} -+ -+#if 1 -+static int check_cma_config(void) { return 1; } -+#else -+static int -+read_vc_debug_var(VC_MEM_ACCESS_HANDLE_T handle, -+ const char *symbol, -+ void *buf, size_t bufsize) -+{ -+ VC_MEM_ADDR_T vcMemAddr; -+ size_t vcMemSize; -+ uint8_t *mapAddr; -+ off_t vcMapAddr; -+ -+ if (!LookupVideoCoreSymbol(handle, symbol, -+ &vcMemAddr, -+ &vcMemSize)) { -+ loud_error_header(); -+ loud_error( -+ "failed to find VC symbol \"%s\".", -+ symbol); -+ loud_error_footer(); -+ return 0; -+ } -+ -+ if (vcMemSize != bufsize) { -+ loud_error_header(); -+ loud_error( -+ "VC symbol \"%s\" is the wrong size.", -+ symbol); -+ loud_error_footer(); -+ return 0; -+ } -+ -+ vcMapAddr = (off_t)vcMemAddr & VC_MEM_TO_ARM_ADDR_MASK; -+ vcMapAddr += mm_vc_mem_phys_addr; -+ mapAddr = ioremap_nocache(vcMapAddr, vcMemSize); -+ if (mapAddr == 0) { -+ loud_error_header(); -+ loud_error( -+ "failed to ioremap \"%s\" @ 0x%x " -+ "(phys: 0x%x, size: %u).", -+ symbol, -+ (unsigned int)vcMapAddr, -+ (unsigned int)vcMemAddr, -+ (unsigned int)vcMemSize); -+ loud_error_footer(); -+ return 0; -+ } -+ -+ memcpy(buf, mapAddr, bufsize); -+ iounmap(mapAddr); -+ -+ return 1; -+} -+ -+ -+static int -+check_cma_config(void) -+{ -+ VC_MEM_ACCESS_HANDLE_T mem_hndl; -+ VC_MEM_ADDR_T mempool_start; -+ VC_MEM_ADDR_T mempool_end; -+ VC_MEM_ADDR_T mempool_offline_start; -+ VC_MEM_ADDR_T mempool_offline_end; -+ VC_MEM_ADDR_T cam_alloc_base; -+ VC_MEM_ADDR_T cam_alloc_size; -+ VC_MEM_ADDR_T cam_alloc_end; -+ int success = 0; -+ -+ if (OpenVideoCoreMemory(&mem_hndl) != 0) -+ goto out; -+ -+ /* Read the relevant VideoCore variables */ -+ if (!read_vc_debug_var(mem_hndl, "__MEMPOOL_START", -+ &mempool_start, -+ sizeof(mempool_start))) -+ goto close; -+ -+ if (!read_vc_debug_var(mem_hndl, "__MEMPOOL_END", -+ &mempool_end, -+ sizeof(mempool_end))) -+ goto close; -+ -+ if (!read_vc_debug_var(mem_hndl, "__MEMPOOL_OFFLINE_START", -+ &mempool_offline_start, -+ sizeof(mempool_offline_start))) -+ goto close; -+ -+ if (!read_vc_debug_var(mem_hndl, "__MEMPOOL_OFFLINE_END", -+ &mempool_offline_end, -+ sizeof(mempool_offline_end))) -+ goto close; -+ -+ if (!read_vc_debug_var(mem_hndl, "cam_alloc_base", -+ &cam_alloc_base, -+ sizeof(cam_alloc_base))) -+ goto close; -+ -+ if (!read_vc_debug_var(mem_hndl, "cam_alloc_size", -+ &cam_alloc_size, -+ sizeof(cam_alloc_size))) -+ goto close; -+ -+ cam_alloc_end = cam_alloc_base + cam_alloc_size; -+ -+ success = 1; -+ -+ /* Now the sanity checks */ -+ if (!mempool_offline_start) -+ mempool_offline_start = mempool_start; -+ if (!mempool_offline_end) -+ mempool_offline_end = mempool_end; -+ -+ if (VCADDR_TO_PHYSADDR(mempool_offline_start) != vc_cma_base) { -+ loud_error_header(); -+ loud_error( -+ "__MEMPOOL_OFFLINE_START(%x -> %lx) doesn't match " -+ "vc_cma_base(%x)", -+ mempool_offline_start, -+ VCADDR_TO_PHYSADDR(mempool_offline_start), -+ vc_cma_base); -+ success = 0; -+ } -+ -+ if (VCADDR_TO_PHYSADDR(mempool_offline_end) != -+ (vc_cma_base + vc_cma_size)) { -+ loud_error_header(); -+ loud_error( -+ "__MEMPOOL_OFFLINE_END(%x -> %lx) doesn't match " -+ "vc_cma_base(%x) + vc_cma_size(%x) = %x", -+ mempool_offline_start, -+ VCADDR_TO_PHYSADDR(mempool_offline_end), -+ vc_cma_base, vc_cma_size, vc_cma_base + vc_cma_size); -+ success = 0; -+ } -+ -+ if (mempool_end < mempool_start) { -+ loud_error_header(); -+ loud_error( -+ "__MEMPOOL_END(%x) must not be before " -+ "__MEMPOOL_START(%x)", -+ mempool_end, -+ mempool_start); -+ success = 0; -+ } -+ -+ if (mempool_offline_end < mempool_offline_start) { -+ loud_error_header(); -+ loud_error( -+ "__MEMPOOL_OFFLINE_END(%x) must not be before " -+ "__MEMPOOL_OFFLINE_START(%x)", -+ mempool_offline_end, -+ mempool_offline_start); -+ success = 0; -+ } -+ -+ if (mempool_offline_start < mempool_start) { -+ loud_error_header(); -+ loud_error( -+ "__MEMPOOL_OFFLINE_START(%x) must not be before " -+ "__MEMPOOL_START(%x)", -+ mempool_offline_start, -+ mempool_start); -+ success = 0; -+ } -+ -+ if (mempool_offline_end > mempool_end) { -+ loud_error_header(); -+ loud_error( -+ "__MEMPOOL_OFFLINE_END(%x) must not be after " -+ "__MEMPOOL_END(%x)", -+ mempool_offline_end, -+ mempool_end); -+ success = 0; -+ } -+ -+ if ((cam_alloc_base < mempool_end) && -+ (cam_alloc_end > mempool_start)) { -+ loud_error_header(); -+ loud_error( -+ "cam_alloc pool(%x-%x) overlaps " -+ "mempool(%x-%x)", -+ cam_alloc_base, cam_alloc_end, -+ mempool_start, mempool_end); -+ success = 0; -+ } -+ -+ loud_error_footer(); -+ -+close: -+ CloseVideoCoreMemory(mem_hndl); -+ -+out: -+ return success; -+} -+#endif -+ -+static int vc_cma_init(void) -+{ -+ int rc = -EFAULT; -+ struct device *dev; -+ -+ if (!check_cma_config()) -+ goto out_release; -+ -+ LOG_INFO("vc-cma: Videocore CMA driver"); -+ LOG_INFO("vc-cma: vc_cma_base = %pa", &vc_cma_base); -+ LOG_INFO("vc-cma: vc_cma_size = 0x%08x (%u MiB)", -+ vc_cma_size, vc_cma_size / (1024 * 1024)); -+ LOG_INFO("vc-cma: vc_cma_initial = 0x%08x (%u MiB)", -+ vc_cma_initial, vc_cma_initial / (1024 * 1024)); -+ -+ vc_cma_base_page = phys_to_page(vc_cma_base); -+ -+ if (vc_cma_chunks) { -+ int chunks_needed = vc_cma_initial / VC_CMA_CHUNK_SIZE; -+ -+ for (vc_cma_chunks_used = 0; -+ vc_cma_chunks_used < chunks_needed; vc_cma_chunks_used++) { -+ struct page *chunk; -+ chunk = dma_alloc_from_contiguous(&vc_cma_device.dev, -+ PAGES_PER_CHUNK, -+ VC_CMA_CHUNK_ORDER); -+ if (!chunk) -+ break; -+ BUG_ON(((page_to_phys(chunk) - vc_cma_base) % -+ VC_CMA_CHUNK_SIZE) != 0); -+ } -+ if (vc_cma_chunks_used != chunks_needed) { -+ LOG_ERR("%s: dma_alloc_from_contiguous failed (%d " -+ "bytes, allocation %d of %d)", -+ __func__, VC_CMA_CHUNK_SIZE, -+ vc_cma_chunks_used, chunks_needed); -+ goto out_release; -+ } -+ -+ vchiq_add_connected_callback(vc_cma_connected_init); -+ } -+ -+ rc = alloc_chrdev_region(&vc_cma_devnum, 0, 1, DRIVER_NAME); -+ if (rc < 0) { -+ LOG_ERR("%s: alloc_chrdev_region failed (rc=%d)", __func__, rc); -+ goto out_release; -+ } -+ -+ cdev_init(&vc_cma_cdev, &vc_cma_fops); -+ rc = cdev_add(&vc_cma_cdev, vc_cma_devnum, 1); -+ if (rc != 0) { -+ LOG_ERR("%s: cdev_add failed (rc=%d)", __func__, rc); -+ goto out_unregister; -+ } -+ -+ vc_cma_class = class_create(THIS_MODULE, DRIVER_NAME); -+ if (IS_ERR(vc_cma_class)) { -+ rc = PTR_ERR(vc_cma_class); -+ LOG_ERR("%s: class_create failed (rc=%d)", __func__, rc); -+ goto out_cdev_del; -+ } -+ -+ dev = device_create(vc_cma_class, NULL, vc_cma_devnum, NULL, -+ DRIVER_NAME); -+ if (IS_ERR(dev)) { -+ rc = PTR_ERR(dev); -+ LOG_ERR("%s: device_create failed (rc=%d)", __func__, rc); -+ goto out_class_destroy; -+ } -+ -+ vc_cma_proc_entry = proc_create(DRIVER_NAME, 0444, NULL, &vc_cma_proc_fops); -+ if (vc_cma_proc_entry == NULL) { -+ rc = -EFAULT; -+ LOG_ERR("%s: proc_create failed", __func__); -+ goto out_device_destroy; -+ } -+ -+ vc_cma_inited = 1; -+ return 0; -+ -+out_device_destroy: -+ device_destroy(vc_cma_class, vc_cma_devnum); -+ -+out_class_destroy: -+ class_destroy(vc_cma_class); -+ vc_cma_class = NULL; -+ -+out_cdev_del: -+ cdev_del(&vc_cma_cdev); -+ -+out_unregister: -+ unregister_chrdev_region(vc_cma_devnum, 1); -+ -+out_release: -+ /* It is tempting to try to clean up by calling -+ dma_release_from_contiguous for all allocated chunks, but it isn't -+ a very safe thing to do. If vc_cma_initial is non-zero it is because -+ VideoCore is already using that memory, so giving it back to Linux -+ is likely to be fatal. -+ */ -+ return -1; -+} -+ -+/**************************************************************************** -+* -+* vc_cma_exit -+* -+***************************************************************************/ -+ -+static void __exit vc_cma_exit(void) -+{ -+ LOG_DBG("%s: called", __func__); -+ -+ if (vc_cma_inited) { -+ remove_proc_entry(DRIVER_NAME, NULL); -+ device_destroy(vc_cma_class, vc_cma_devnum); -+ class_destroy(vc_cma_class); -+ cdev_del(&vc_cma_cdev); -+ unregister_chrdev_region(vc_cma_devnum, 1); -+ } -+} -+ -+module_init(vc_cma_init); -+module_exit(vc_cma_exit); -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Broadcom Corporation"); --- -2.14.1 - diff --git a/core/linux-raspberrypi/PKGBUILD b/core/linux-raspberrypi/PKGBUILD index faef30e25..b93bd727d 100644 --- a/core/linux-raspberrypi/PKGBUILD +++ b/core/linux-raspberrypi/PKGBUILD @@ -5,11 +5,11 @@ buildarch=20 pkgbase=linux-raspberrypi -_commit=8f34d03766cb1e4d29b3fd00cbc8e0e70e63e18a +_commit=6820d0cbec64cfee481b961833feffec8880111e _srcname=linux-${_commit} _kernelname=${pkgbase#linux} _desc="Raspberry Pi" -pkgver=4.9.58 +pkgver=4.9.59 pkgrel=1 arch=('armv6h' 'armv7h') url="http://www.kernel.org/" @@ -18,19 +18,17 @@ makedepends=('xmlto' 'docbook-xsl' 'kmod' 'inetutils' 'bc' 'git') options=('!strip') source=("https://github.com/raspberrypi/linux/archive/${_commit}.tar.gz" 'https://archlinuxarm.org/builder/src/brcmfmac43430-sdio.bin' 'https://archlinuxarm.org/builder/src/brcmfmac43430-sdio.txt' - 0001-Revert-vc-cma-Remove-the-driver-as-non-functional-on.patch 'config.txt' 'cmdline.txt' 'config' 'linux.preset' '99-linux.hook') -md5sums=('3ebbeb11a27f1276b7e66ed96bf39fc6' +md5sums=('48175bfca539a247858b089b2b2f87bc' '4a410ab9a1eefe82e158d36df02b3589' '8c3cb6d8f0609b43f09d083b4006ec5a' - '9246abe34ecf6235c5452d5af71eb403' '7c6b37a1353caccf6d3786bb4161c218' '60bc3624123c183305677097bcd56212' - '83327f60faf355b8cf59a8b463f795a8' + 'ccf446c3a5ddd0f6aa201686ba74d54f' '552c43bf6c0225bc213b31ee942b7000' '982f9184dfcfbe52110795cf73674334') @@ -45,7 +43,6 @@ prepare() { # don't run depmod on 'make install'. We'll do this ourselves in packaging sed -i '2iexit 0' scripts/depmod.sh - git apply ../0001-Revert-vc-cma-Remove-the-driver-as-non-functional-on.patch mkdir firmware/brcm cp ../brcmfmac43430-sdio.{bin,txt} firmware/brcm } @@ -101,9 +98,9 @@ _package() { make INSTALL_MOD_PATH="${pkgdir}" modules_install make INSTALL_DTBS_PATH="${pkgdir}/boot" dtbs_install - [[ $CARCH == "armv6h" ]] && perl scripts/mkknlimg --dtok arch/$KARCH/boot/zImage "${pkgdir}/boot/kernel.img" \ + [[ $CARCH == "armv6h" ]] && cp arch/$KARCH/boot/zImage "${pkgdir}/boot/kernel.img" \ && rm -f "${pkgdir}"/boot/bcm{2836,2709,2710}*.dtb - [[ $CARCH == "armv7h" ]] && perl scripts/mkknlimg --dtok arch/$KARCH/boot/zImage "${pkgdir}/boot/kernel7.img" \ + [[ $CARCH == "armv7h" ]] && cp arch/$KARCH/boot/zImage "${pkgdir}/boot/kernel7.img" \ && rm -f "${pkgdir}"/boot/bcm{2835,2708}*.dtb cp arch/$KARCH/boot/dts/overlays/README "${pkgdir}/boot/overlays" diff --git a/core/linux-raspberrypi/config b/core/linux-raspberrypi/config index 2e392c43d..4ae4928c0 100644 --- a/core/linux-raspberrypi/config +++ b/core/linux-raspberrypi/config @@ -1,6 +1,6 @@ # # Automatically generated file; DO NOT EDIT. -# Linux/arm 4.9.57-2 Kernel Configuration +# Linux/arm 4.9.59-1 Kernel Configuration # CONFIG_ARM=y CONFIG_ARM_HAS_SG_CHAIN=y @@ -492,7 +492,7 @@ CONFIG_DEBUG_ALIGN_RODATA=y CONFIG_MULTI_IRQ_HANDLER=y CONFIG_ARM_ERRATA_411920=y # CONFIG_ARM_ERRATA_430973 is not set -# CONFIG_ARM_ERRATA_643719 is not set +CONFIG_ARM_ERRATA_643719=y # CONFIG_ARM_ERRATA_720789 is not set # CONFIG_ARM_ERRATA_754322 is not set # CONFIG_ARM_ERRATA_754327 is not set @@ -532,7 +532,7 @@ CONFIG_VMSPLIT_2G=y # CONFIG_VMSPLIT_1G is not set CONFIG_PAGE_OFFSET=0x80000000 CONFIG_NR_CPUS=4 -CONFIG_HOTPLUG_CPU=y +# CONFIG_HOTPLUG_CPU is not set # CONFIG_ARM_PSCI is not set CONFIG_ARCH_NR_GPIO=0 # CONFIG_PREEMPT_NONE is not set @@ -1602,10 +1602,7 @@ CONFIG_CMA_ALIGNMENT=8 # # Bus devices # -CONFIG_ARM_CCI=y -CONFIG_ARM_CCI_PMU=y -CONFIG_ARM_CCI400_COMMON=y -CONFIG_ARM_CCI400_PMU=y +# CONFIG_ARM_CCI400_PMU is not set # CONFIG_ARM_CCI5xx_PMU is not set # CONFIG_ARM_CCN is not set # CONFIG_BRCMSTB_GISB_ARB is not set @@ -1862,7 +1859,7 @@ CONFIG_SCSI_ISCSI_ATTRS=y # CONFIG_SCSI_SRP_ATTRS is not set CONFIG_SCSI_LOWLEVEL=y CONFIG_ISCSI_TCP=m -# CONFIG_ISCSI_BOOT_SYSFS is not set +CONFIG_ISCSI_BOOT_SYSFS=m # CONFIG_SCSI_UFSHCD is not set # CONFIG_SCSI_DEBUG is not set # CONFIG_SCSI_DH is not set @@ -2173,7 +2170,7 @@ CONFIG_B43_SSB=y CONFIG_B43_BUSES_BCMA_AND_SSB=y # CONFIG_B43_BUSES_BCMA is not set # CONFIG_B43_BUSES_SSB is not set -CONFIG_B43_SDIO=y +# CONFIG_B43_SDIO is not set CONFIG_B43_BCMA_PIO=y CONFIG_B43_PIO=y CONFIG_B43_PHY_G=y @@ -2451,6 +2448,7 @@ CONFIG_TOUCHSCREEN_EDT_FT5X06=m CONFIG_TOUCHSCREEN_RPI_FT5406=m CONFIG_TOUCHSCREEN_TOUCHRIGHT=m CONFIG_TOUCHSCREEN_TOUCHWIN=m +# CONFIG_TOUCHSCREEN_UCB1400 is not set CONFIG_TOUCHSCREEN_PIXCIR=m CONFIG_TOUCHSCREEN_WDT87XX_I2C=m CONFIG_TOUCHSCREEN_WM97XX=m @@ -2495,7 +2493,6 @@ CONFIG_TOUCHSCREEN_ZFORCE=m # CONFIG_TOUCHSCREEN_COLIBRI_VF50 is not set CONFIG_TOUCHSCREEN_ROHM_BU21023=m CONFIG_INPUT_MISC=y -# CONFIG_INPUT_88PM80X_ONKEY is not set CONFIG_INPUT_AD714X=m CONFIG_INPUT_AD714X_I2C=m CONFIG_INPUT_AD714X_SPI=m @@ -2553,7 +2550,6 @@ CONFIG_GAMEPORT_L4=m # Character devices # CONFIG_BRCM_CHAR_DRIVERS=y -CONFIG_BCM_VC_CMA=y CONFIG_BCM2708_VCMEM=y CONFIG_BCM_VCIO=y CONFIG_BCM_VC_SM=y @@ -2673,7 +2669,7 @@ CONFIG_I2C_BCM2835=m # CONFIG_I2C_DESIGNWARE_PLATFORM is not set # CONFIG_I2C_EMEV2 is not set CONFIG_I2C_GPIO=m -CONFIG_I2C_NOMADIK=y +# CONFIG_I2C_NOMADIK is not set # CONFIG_I2C_OCORES is not set # CONFIG_I2C_PCA_PLATFORM is not set # CONFIG_I2C_PXA_PCI is not set @@ -2720,7 +2716,7 @@ CONFIG_SPI_GPIO=m # CONFIG_SPI_PXA2XX_PCI is not set # CONFIG_SPI_ROCKCHIP is not set # CONFIG_SPI_SC18IS602 is not set -CONFIG_SPI_XCOMM=m +# CONFIG_SPI_XCOMM is not set # CONFIG_SPI_XILINX is not set # CONFIG_SPI_ZYNQMP_GQSPI is not set @@ -2814,6 +2810,7 @@ CONFIG_GPIO_BCM_VIRT=y CONFIG_GPIO_ARIZONA=m # CONFIG_HTC_EGPIO is not set CONFIG_GPIO_STMPE=y +# CONFIG_GPIO_UCB1400 is not set # # SPI GPIO expanders @@ -2855,6 +2852,7 @@ CONFIG_W1_SLAVE_DS2423=m CONFIG_W1_SLAVE_DS2431=m CONFIG_W1_SLAVE_DS2433=m # CONFIG_W1_SLAVE_DS2433_CRC is not set +CONFIG_W1_SLAVE_DS2438=m CONFIG_W1_SLAVE_DS2760=m CONFIG_W1_SLAVE_DS2780=m CONFIG_W1_SLAVE_DS2781=m @@ -3082,7 +3080,7 @@ CONFIG_SSB_POSSIBLE=y CONFIG_SSB=m CONFIG_SSB_BLOCKIO=y CONFIG_SSB_SDIOHOST_POSSIBLE=y -CONFIG_SSB_SDIOHOST=y +# CONFIG_SSB_SDIOHOST is not set # CONFIG_SSB_SILENT is not set # CONFIG_SSB_DEBUG is not set # CONFIG_SSB_DRIVER_GPIO is not set @@ -3130,8 +3128,8 @@ CONFIG_MFD_RPISENSE_CORE=m # CONFIG_HTC_I2CPLD is not set # CONFIG_INTEL_SOC_PMIC is not set # CONFIG_MFD_KEMPLD is not set -CONFIG_MFD_88PM800=m -CONFIG_MFD_88PM805=m +# CONFIG_MFD_88PM800 is not set +# CONFIG_MFD_88PM805 is not set # CONFIG_MFD_88PM860X is not set # CONFIG_MFD_MAX14577 is not set # CONFIG_MFD_MAX77620 is not set @@ -3148,7 +3146,7 @@ CONFIG_MFD_88PM805=m # CONFIG_MFD_VIPERBOARD is not set # CONFIG_MFD_RETU is not set # CONFIG_MFD_PCF50633 is not set -# CONFIG_UCB1400_CORE is not set +CONFIG_UCB1400_CORE=m # CONFIG_MFD_PM8921_CORE is not set # CONFIG_MFD_RT5033 is not set # CONFIG_MFD_RTSX_USB is not set @@ -3213,7 +3211,6 @@ CONFIG_REGULATOR=y CONFIG_REGULATOR_FIXED_VOLTAGE=m # CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set # CONFIG_REGULATOR_USERSPACE_CONSUMER is not set -# CONFIG_REGULATOR_88PM800 is not set # CONFIG_REGULATOR_ACT8865 is not set # CONFIG_REGULATOR_AD5398 is not set # CONFIG_REGULATOR_ANATOP is not set @@ -3481,7 +3478,7 @@ CONFIG_V4L_MEM2MEM_DRIVERS=y # # Supported MMC/SDIO adapters # -CONFIG_SMS_SDIO_DRV=m +# CONFIG_SMS_SDIO_DRV is not set CONFIG_RADIO_ADAPTERS=y CONFIG_RADIO_TEA575X=m CONFIG_RADIO_SI470X=y @@ -3515,7 +3512,6 @@ CONFIG_CYPRESS_FIRMWARE=m CONFIG_DVB_B2C2_FLEXCOP=m CONFIG_SMS_SIANO_MDTV=m CONFIG_SMS_SIANO_RC=y -# CONFIG_SMS_SIANO_DEBUGFS is not set # # Media ancillary drivers (tuners, sensors, i2c, spi, frontends) @@ -3787,7 +3783,7 @@ CONFIG_DRM_PANEL_SIMPLE=m # CONFIG_DRM_PANEL_SAMSUNG_LD9040 is not set # CONFIG_DRM_PANEL_LG_LG4573 is not set # CONFIG_DRM_PANEL_PANASONIC_VVX10F034N00 is not set -# CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN is not set +CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN=m # CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0 is not set # CONFIG_DRM_PANEL_SHARP_LQ101R1SX01 is not set # CONFIG_DRM_PANEL_SHARP_LS043T1LE01 is not set @@ -4535,7 +4531,7 @@ CONFIG_MMC_SDHCI_PLTFM=y # CONFIG_MMC_SDHCI_OF_AT91 is not set # CONFIG_MMC_SDHCI_F_SDH30 is not set # CONFIG_MMC_SDHCI_IPROC is not set -# CONFIG_MMC_SPI is not set +CONFIG_MMC_SPI=m # CONFIG_MMC_DW is not set # CONFIG_MMC_VUB300 is not set # CONFIG_MMC_USHC is not set @@ -4624,7 +4620,6 @@ CONFIG_RTC_INTF_DEV=y # # I2C RTC drivers # -# CONFIG_RTC_DRV_88PM80X is not set # CONFIG_RTC_DRV_ABB5ZES3 is not set CONFIG_RTC_DRV_ABX80X=m CONFIG_RTC_DRV_DS1307=m @@ -4746,7 +4741,7 @@ CONFIG_DMA_BCM2708=y # CONFIG_AUXDISPLAY is not set CONFIG_UIO=m CONFIG_UIO_PDRV_GENIRQ=m -CONFIG_UIO_DMEM_GENIRQ=m +# CONFIG_UIO_DMEM_GENIRQ is not set # CONFIG_UIO_PRUSS is not set # CONFIG_VIRT_DRIVERS is not set @@ -5796,7 +5791,6 @@ CONFIG_RCU_CPU_STALL_TIMEOUT=21 # CONFIG_RCU_EQS_DEBUG is not set # CONFIG_DEBUG_WQ_FORCE_RR_CPU is not set # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set -# CONFIG_CPU_HOTPLUG_STATE_CONTROL is not set # CONFIG_NOTIFIER_ERROR_INJECTION is not set # CONFIG_FAULT_INJECTION is not set CONFIG_LATENCYTOP=y