kernel: switch to upstream
This driver is upstream since 2012 (commit: a8e510f682f), so switch to it and remove own sources. Also place it under "Network Devices" menu together with other phy drivers. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> SVN-Revision: 45269
This commit is contained in:
John Crispin
parent
0e78550030
commit
0b44b593a7
5 changed files with 17 additions and 477 deletions
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@ -810,3 +810,20 @@ define KernelPackage/vmxnet3/description
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endef
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endef
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$(eval $(call KernelPackage,vmxnet3))
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$(eval $(call KernelPackage,vmxnet3))
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define KernelPackage/spi-ks8995
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SUBMENU:=$(NETWORK_DEVICES_MENU)
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TITLE:=Micrel/Kendin KS8995 Ethernet switch control
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FILES:=$(LINUX_DIR)/drivers/net/phy/spi_ks8995.ko
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KCONFIG:=CONFIG_MICREL_KS8995MA \
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CONFIG_SPI=y \
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CONFIG_SPI_MASTER=y
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AUTOLOAD:=$(call AutoLoad,50,spi_ks8995)
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endef
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define KernelPackage/spi-ks8995/description
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Kernel module for Micrel/Kendin KS8995 ethernet switch
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endef
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$(eval $(call KernelPackage,spi-ks8995))
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@ -1,54 +0,0 @@
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#
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# Copyright (C) 2008 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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include $(INCLUDE_DIR)/kernel.mk
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PKG_NAME:=spi-ks8995
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PKG_RELEASE:=1
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include $(INCLUDE_DIR)/package.mk
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define KernelPackage/spi-ks8995
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SUBMENU:=SPI Support
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TITLE:=Micrel/Kendin KS8995 Ethernet switch control
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FILES:=$(PKG_BUILD_DIR)/spi_ks8995.ko
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KCONFIG:=CONFIG_SPI=y \
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CONFIG_SPI_MASTER=y
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AUTOLOAD:=$(call AutoLoad,50,spi_ks8995)
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endef
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define KernelPackage/spi-ks8995/description
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Kernel module for Micrel/Kendin KS8995 ethernet switch
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endef
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EXTRA_KCONFIG:= \
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CONFIG_SPI_KS8995=m
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EXTRA_CFLAGS:= \
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$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=m,%,$(filter %=m,$(EXTRA_KCONFIG)))) \
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$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=y,%,$(filter %=y,$(EXTRA_KCONFIG)))) \
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MAKE_OPTS:= \
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ARCH="$(LINUX_KARCH)" \
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CROSS_COMPILE="$(TARGET_CROSS)" \
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SUBDIRS="$(PKG_BUILD_DIR)" \
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EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
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$(EXTRA_KCONFIG)
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define Build/Prepare
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mkdir -p $(PKG_BUILD_DIR)
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$(CP) ./src/* $(PKG_BUILD_DIR)/
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endef
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define Build/Compile
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$(MAKE) -C "$(LINUX_DIR)" \
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$(MAKE_OPTS) \
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modules
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endef
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$(eval $(call KernelPackage,spi-ks8995))
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@ -1,3 +0,0 @@
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config SPI_KS8995
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tristate "Micrel/Kendin KS8995 Ethernet switch"
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depends on SPI
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@ -1 +0,0 @@
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obj-${CONFIG_SPI_KS8995} += spi_ks8995.o
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@ -1,419 +0,0 @@
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/*
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* SPI driver for Micrel/Kendin KS8995M ethernet switch
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*
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* Copyright (C) 2008 Gabor Juhos <juhosg at openwrt.org>
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*
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* This file was based on: drivers/spi/at25.c
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* Copyright (C) 2006 David Brownell
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/device.h>
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#include <linux/spi/spi.h>
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#define DRV_VERSION "0.1.1"
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#define DRV_DESC "Micrel/Kendin KS8995 Ethernet switch SPI driver"
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/*-------------------------------------------------------------------------*/
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#define KS8995_REG_ID0 0x00 /* Chip ID0 */
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#define KS8995_REG_ID1 0x01 /* Chip ID1 */
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#define KS8995_REG_GC0 0x02 /* Global Control 0 */
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#define KS8995_REG_GC1 0x03 /* Global Control 1 */
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#define KS8995_REG_GC2 0x04 /* Global Control 2 */
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#define KS8995_REG_GC3 0x05 /* Global Control 3 */
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#define KS8995_REG_GC4 0x06 /* Global Control 4 */
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#define KS8995_REG_GC5 0x07 /* Global Control 5 */
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#define KS8995_REG_GC6 0x08 /* Global Control 6 */
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#define KS8995_REG_GC7 0x09 /* Global Control 7 */
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#define KS8995_REG_GC8 0x0a /* Global Control 8 */
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#define KS8995_REG_GC9 0x0b /* Global Control 9 */
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#define KS8995_REG_PC(p,r) ((0x10 * p) + r) /* Port Control */
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#define KS8995_REG_PS(p,r) ((0x10 * p) + r + 0xe) /* Port Status */
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#define KS8995_REG_TPC0 0x60 /* TOS Priority Control 0 */
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#define KS8995_REG_TPC1 0x61 /* TOS Priority Control 1 */
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#define KS8995_REG_TPC2 0x62 /* TOS Priority Control 2 */
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#define KS8995_REG_TPC3 0x63 /* TOS Priority Control 3 */
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#define KS8995_REG_TPC4 0x64 /* TOS Priority Control 4 */
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#define KS8995_REG_TPC5 0x65 /* TOS Priority Control 5 */
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#define KS8995_REG_TPC6 0x66 /* TOS Priority Control 6 */
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#define KS8995_REG_TPC7 0x67 /* TOS Priority Control 7 */
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#define KS8995_REG_MAC0 0x68 /* MAC address 0 */
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#define KS8995_REG_MAC1 0x69 /* MAC address 1 */
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#define KS8995_REG_MAC2 0x6a /* MAC address 2 */
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#define KS8995_REG_MAC3 0x6b /* MAC address 3 */
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#define KS8995_REG_MAC4 0x6c /* MAC address 4 */
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#define KS8995_REG_MAC5 0x6d /* MAC address 5 */
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#define KS8995_REG_IAC0 0x6e /* Indirect Access Control 0 */
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#define KS8995_REG_IAC1 0x6f /* Indirect Access Control 0 */
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#define KS8995_REG_IAD7 0x70 /* Indirect Access Data 7 */
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#define KS8995_REG_IAD6 0x71 /* Indirect Access Data 6 */
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#define KS8995_REG_IAD5 0x72 /* Indirect Access Data 5 */
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#define KS8995_REG_IAD4 0x73 /* Indirect Access Data 4 */
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#define KS8995_REG_IAD3 0x74 /* Indirect Access Data 3 */
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#define KS8995_REG_IAD2 0x75 /* Indirect Access Data 2 */
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#define KS8995_REG_IAD1 0x76 /* Indirect Access Data 1 */
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#define KS8995_REG_IAD0 0x77 /* Indirect Access Data 0 */
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#define KS8995_REGS_SIZE 0x80
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#define ID1_CHIPID_M 0xf
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#define ID1_CHIPID_S 4
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#define ID1_REVISION_M 0x7
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#define ID1_REVISION_S 1
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#define ID1_START_SW 1 /* start the switch */
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#define FAMILY_KS8995 0x95
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#define CHIPID_M 0
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#define KS8995_CMD_WRITE 0x02U
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#define KS8995_CMD_READ 0x03U
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#define KS8995_RESET_DELAY 10 /* usec */
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/*-------------------------------------------------------------------------*/
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struct ks8995_pdata {
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/* not yet implemented */
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};
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struct ks8995_switch {
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struct spi_device *spi;
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struct mutex lock;
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struct ks8995_pdata *pdata;
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};
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/*-------------------------------------------------------------------------*/
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static inline u8 get_chip_id(u8 val)
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{
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return ((val >> ID1_CHIPID_S) & ID1_CHIPID_M);
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}
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static inline u8 get_chip_rev(u8 val)
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{
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return ((val >> ID1_REVISION_S) & ID1_REVISION_M);
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}
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/*-------------------------------------------------------------------------*/
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static int ks8995_read(struct ks8995_switch *ks, char *buf,
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unsigned offset, size_t count)
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{
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u8 cmd[2];
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struct spi_transfer t[2];
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struct spi_message m;
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int err;
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spi_message_init(&m);
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memset(&t, 0, sizeof(t));
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t[0].tx_buf = cmd;
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t[0].len = sizeof(cmd);
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spi_message_add_tail(&t[0], &m);
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t[1].rx_buf = buf;
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t[1].len = count;
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spi_message_add_tail(&t[1], &m);
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cmd[0] = KS8995_CMD_READ;
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cmd[1] = offset;
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mutex_lock(&ks->lock);
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err = spi_sync(ks->spi, &m);
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mutex_unlock(&ks->lock);
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return err ? err : count;
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}
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static int ks8995_write(struct ks8995_switch *ks, char *buf,
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unsigned offset, size_t count)
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{
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u8 cmd[2];
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struct spi_transfer t[2];
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struct spi_message m;
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int err;
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spi_message_init(&m);
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memset(&t, 0, sizeof(t));
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t[0].tx_buf = cmd;
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t[0].len = sizeof(cmd);
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spi_message_add_tail(&t[0], &m);
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t[1].tx_buf = buf;
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t[1].len = count;
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spi_message_add_tail(&t[1], &m);
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cmd[0] = KS8995_CMD_WRITE;
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cmd[1] = offset;
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mutex_lock(&ks->lock);
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err = spi_sync(ks->spi, &m);
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mutex_unlock(&ks->lock);
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return err ? err : count;
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}
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static inline int ks8995_read_reg(struct ks8995_switch *ks, u8 addr, u8 *buf)
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{
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return (ks8995_read(ks, buf, addr, 1) != 1);
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}
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static inline int ks8995_write_reg(struct ks8995_switch *ks, u8 addr, u8 val)
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{
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char buf = val;
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return (ks8995_write(ks, &buf, addr, 1) != 1);
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}
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/*-------------------------------------------------------------------------*/
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#if 0
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static int ks8995_setup(struct spi_device *spi)
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{
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struct ks8995_switch *ks;
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u8 t;
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ks = dev_get_drvdata(&spi->dev);
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ks8995_write_reg(ks, KS8995_REG_GC0, 0x4c);
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ks8995_write_reg(ks, KS8995_REG_GC1, 0x05);
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ks8995_read_reg(ks, KS8995_REG_GC2, &t);
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ks8995_write_reg(ks, KS8995_REG_GC2, t | 1);
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ks8995_write_reg(ks, KS8995_REG_GC4, 0x20);
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ks8995_write_reg(ks, KS8995_REG_PC(1,0), 0x61);
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ks8995_write_reg(ks, KS8995_REG_PC(2,0), 0x61);
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ks8995_write_reg(ks, KS8995_REG_PC(3,0), 0x61);
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ks8995_write_reg(ks, KS8995_REG_PC(4,0), 0x61);
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ks8995_write_reg(ks, KS8995_REG_PC(5,0), 0x61);
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ks8995_write_reg(ks, KS8995_REG_PC(5,11), 0x18);
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ks8995_write_reg(ks, KS8995_REG_TPC0, 0xff);
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ks8995_write_reg(ks, KS8995_REG_TPC1, 0xff);
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ks8995_write_reg(ks, KS8995_REG_TPC2, 0xff);
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ks8995_write_reg(ks, KS8995_REG_TPC3, 0xff);
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ks8995_write_reg(ks, KS8995_REG_TPC4, 0xff);
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ks8995_write_reg(ks, KS8995_REG_TPC5, 0xff);
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ks8995_write_reg(ks, KS8995_REG_TPC6, 0xff);
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ks8995_write_reg(ks, KS8995_REG_TPC7, 0xfe);
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return 0;
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}
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#endif
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static int ks8995_stop(struct ks8995_switch *ks)
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{
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return ks8995_write_reg(ks, KS8995_REG_ID1, 0);
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}
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static int ks8995_start(struct ks8995_switch *ks)
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{
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return ks8995_write_reg(ks, KS8995_REG_ID1, 1);
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}
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static int ks8995_reset(struct ks8995_switch *ks)
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{
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int err;
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err = ks8995_stop(ks);
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if (err)
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return err;
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udelay(KS8995_RESET_DELAY);
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return ks8995_start(ks);
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}
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/*-------------------------------------------------------------------------*/
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static int ks8995_registers_read(struct kobject *kobj,
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struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count)
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{
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struct device *dev;
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struct ks8995_switch *ks8995;
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dev = container_of(kobj, struct device, kobj);
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ks8995 = dev_get_drvdata(dev);
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if (unlikely(off > KS8995_REGS_SIZE))
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return 0;
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if ((off + count) > KS8995_REGS_SIZE)
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count = KS8995_REGS_SIZE - off;
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if (unlikely(!count))
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return count;
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return ks8995_read(ks8995, buf, off, count);
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}
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static int ks8995_registers_write(struct kobject *kobj,
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struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count)
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{
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struct device *dev;
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struct ks8995_switch *ks8995;
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dev = container_of(kobj, struct device, kobj);
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ks8995 = dev_get_drvdata(dev);
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if (unlikely(off >= KS8995_REGS_SIZE))
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return -EFBIG;
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||||||
|
|
||||||
if ((off + count) > KS8995_REGS_SIZE)
|
|
||||||
count = KS8995_REGS_SIZE - off;
|
|
||||||
|
|
||||||
if (unlikely(!count))
|
|
||||||
return count;
|
|
||||||
|
|
||||||
return ks8995_write(ks8995, buf, off, count);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
static struct bin_attribute ks8995_registers_attr = {
|
|
||||||
.attr = {
|
|
||||||
.name = "registers",
|
|
||||||
.mode = S_IRUSR | S_IWUSR,
|
|
||||||
},
|
|
||||||
.size = KS8995_REGS_SIZE,
|
|
||||||
.read = ks8995_registers_read,
|
|
||||||
.write = ks8995_registers_write,
|
|
||||||
};
|
|
||||||
|
|
||||||
/*-------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
static int ks8995_probe(struct spi_device *spi)
|
|
||||||
{
|
|
||||||
struct ks8995_switch *ks;
|
|
||||||
struct ks8995_pdata *pdata;
|
|
||||||
u8 ids[2];
|
|
||||||
int err;
|
|
||||||
|
|
||||||
/* Chip description */
|
|
||||||
pdata = spi->dev.platform_data;
|
|
||||||
|
|
||||||
ks = kzalloc(sizeof(*ks), GFP_KERNEL);
|
|
||||||
if (!ks) {
|
|
||||||
dev_err(&spi->dev, "no memory for private data\n");
|
|
||||||
return-ENOMEM;
|
|
||||||
}
|
|
||||||
|
|
||||||
mutex_init(&ks->lock);
|
|
||||||
ks->pdata = pdata;
|
|
||||||
ks->spi = spi_dev_get(spi);
|
|
||||||
dev_set_drvdata(&spi->dev, ks);
|
|
||||||
|
|
||||||
spi->mode = SPI_MODE_0;
|
|
||||||
spi->bits_per_word = 8;
|
|
||||||
err = spi_setup(spi);
|
|
||||||
if (err) {
|
|
||||||
dev_err(&spi->dev, "spi_setup failed, err=%d \n", err);
|
|
||||||
goto err_drvdata;
|
|
||||||
}
|
|
||||||
|
|
||||||
err = ks8995_read(ks, ids, KS8995_REG_ID0, sizeof(ids));
|
|
||||||
if (err < 0) {
|
|
||||||
dev_err(&spi->dev, "unable to read id registers, err=%d \n",
|
|
||||||
err);
|
|
||||||
goto err_drvdata;
|
|
||||||
}
|
|
||||||
|
|
||||||
switch (ids[0]) {
|
|
||||||
case FAMILY_KS8995:
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
dev_err(&spi->dev, "unknown family id:%02x\n", ids[0]);
|
|
||||||
err = -ENODEV;
|
|
||||||
goto err_drvdata;
|
|
||||||
}
|
|
||||||
|
|
||||||
err = ks8995_reset(ks);
|
|
||||||
if (err)
|
|
||||||
goto err_drvdata;
|
|
||||||
|
|
||||||
err = sysfs_create_bin_file(&spi->dev.kobj, &ks8995_registers_attr);
|
|
||||||
if (err) {
|
|
||||||
dev_err(&spi->dev, "unable to create sysfs file, err=%d\n",
|
|
||||||
err);
|
|
||||||
goto err_drvdata;
|
|
||||||
}
|
|
||||||
|
|
||||||
dev_info(&spi->dev, "KS89%02X device found, Chip ID:%01x, "
|
|
||||||
"Revision:%01x\n", ids[0],
|
|
||||||
get_chip_id(ids[1]), get_chip_rev(ids[1]));
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
err_drvdata:
|
|
||||||
dev_set_drvdata(&spi->dev, NULL);
|
|
||||||
kfree(ks);
|
|
||||||
return err;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int ks8995_remove(struct spi_device *spi)
|
|
||||||
{
|
|
||||||
struct ks8995_data *ks8995;
|
|
||||||
|
|
||||||
ks8995 = dev_get_drvdata(&spi->dev);
|
|
||||||
sysfs_remove_bin_file(&spi->dev.kobj, &ks8995_registers_attr);
|
|
||||||
|
|
||||||
dev_set_drvdata(&spi->dev, NULL);
|
|
||||||
kfree(ks8995);
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*-------------------------------------------------------------------------*/
|
|
||||||
|
|
||||||
static struct spi_driver ks8995_driver = {
|
|
||||||
.driver = {
|
|
||||||
.name = "spi-ks8995",
|
|
||||||
.bus = &spi_bus_type,
|
|
||||||
.owner = THIS_MODULE,
|
|
||||||
},
|
|
||||||
.probe = ks8995_probe,
|
|
||||||
.remove = ks8995_remove,
|
|
||||||
};
|
|
||||||
|
|
||||||
static int __init ks8995_init(void)
|
|
||||||
{
|
|
||||||
printk(KERN_INFO DRV_DESC " version " DRV_VERSION"\n");
|
|
||||||
|
|
||||||
return spi_register_driver(&ks8995_driver);
|
|
||||||
}
|
|
||||||
module_init(ks8995_init);
|
|
||||||
|
|
||||||
static void __exit ks8995_exit(void)
|
|
||||||
{
|
|
||||||
spi_unregister_driver(&ks8995_driver);
|
|
||||||
}
|
|
||||||
module_exit(ks8995_exit);
|
|
||||||
|
|
||||||
MODULE_DESCRIPTION(DRV_DESC);
|
|
||||||
MODULE_VERSION(DRV_VERSION);
|
|
||||||
MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
|
|
||||||
MODULE_LICENSE("GPL v2");
|
|
||||||
|
|
||||||
Loading…
Reference in a new issue