diff options
Diffstat (limited to 'target/linux/generic-2.6/patches')
3 files changed, 0 insertions, 440 deletions
diff --git a/target/linux/generic-2.6/patches/000-eeprom_93cx6.patch b/target/linux/generic-2.6/patches/000-eeprom_93cx6.patch deleted file mode 100644 index ff23846b4..000000000 --- a/target/linux/generic-2.6/patches/000-eeprom_93cx6.patch +++ /dev/null @@ -1,358 +0,0 @@ -From: Ivo van Doorn <ivdoorn@gmail.com> -Date: Fri, 11 May 2007 19:59:40 +0000 (-0400) -Subject: [PATCH] Add 93cx6 eeprom library -X-Git-Tag: v2.6.23-rc1~1201^2~74 -X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=9467d64b0e88763914c01f71ddf591b166c4f526 - -[PATCH] Add 93cx6 eeprom library - -This patch adds a library for reading from 93cx6 eeproms. - -Signed-off-by: Michael Wu <flamingice@sourmilk.net> -Signed-off-by: John W. Linville <linville@tuxdriver.com> ---- - -diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig -index 616eee9..bd601ef 100644 ---- a/drivers/misc/Kconfig -+++ b/drivers/misc/Kconfig -@@ -34,6 +34,11 @@ config PHANTOM - If you choose to build module, its name will be phantom. If unsure, - say N here. - -+config EEPROM_93CX6 -+ tristate "EEPROM 93CX6 support" -+ ---help--- -+ This is a driver for the EEPROM chipsets 93c46 and 93c66. -+ The driver supports both read as well as write commands. - - If unsure, say N. - -@@ -187,5 +192,4 @@ config THINKPAD_ACPI_BAY - - If you are not sure, say Y here. - -- - endmenu -diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile -index 8abbf2f..b5ce0e3 100644 ---- a/drivers/misc/Makefile -+++ b/drivers/misc/Makefile -@@ -14,3 +14,4 @@ obj-$(CONFIG_PHANTOM) += phantom.o - obj-$(CONFIG_SGI_IOC4) += ioc4.o - obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o - obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o -+obj-$(CONFIG_EEPROM_93CX6) += eeprom_93cx6.o -diff --git a/drivers/misc/eeprom_93cx6.c b/drivers/misc/eeprom_93cx6.c -new file mode 100644 -index 0000000..bfcb434 ---- /dev/null -+++ b/drivers/misc/eeprom_93cx6.c -@@ -0,0 +1,229 @@ -+/* -+ Copyright (C) 2004 - 2006 rt2x00 SourceForge Project -+ <http://rt2x00.serialmonkey.com> -+ -+ This program is free software; you can redistribute it and/or modify -+ it under the terms of the GNU General Public License as published by -+ the Free Software Foundation; either version 2 of the License, or -+ (at your option) any later version. -+ -+ This program is distributed in the hope that it will be useful, -+ but WITHOUT ANY WARRANTY; without even the implied warranty of -+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ GNU General Public License for more details. -+ -+ You should have received a copy of the GNU General Public License -+ along with this program; if not, write to the -+ Free Software Foundation, Inc., -+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -+ */ -+ -+/* -+ Module: eeprom_93cx6 -+ Abstract: EEPROM reader routines for 93cx6 chipsets. -+ Supported chipsets: 93c46 & 93c66. -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/version.h> -+#include <linux/delay.h> -+#include <linux/eeprom_93cx6.h> -+ -+MODULE_AUTHOR("http://rt2x00.serialmonkey.com"); -+MODULE_VERSION("1.0"); -+MODULE_DESCRIPTION("EEPROM 93cx6 chip driver"); -+MODULE_LICENSE("GPL"); -+ -+static inline void eeprom_93cx6_pulse_high(struct eeprom_93cx6 *eeprom) -+{ -+ eeprom->reg_data_clock = 1; -+ eeprom->register_write(eeprom); -+ udelay(1); -+} -+ -+static inline void eeprom_93cx6_pulse_low(struct eeprom_93cx6 *eeprom) -+{ -+ eeprom->reg_data_clock = 0; -+ eeprom->register_write(eeprom); -+ udelay(1); -+} -+ -+static void eeprom_93cx6_startup(struct eeprom_93cx6 *eeprom) -+{ -+ /* -+ * Clear all flags, and enable chip select. -+ */ -+ eeprom->register_read(eeprom); -+ eeprom->reg_data_in = 0; -+ eeprom->reg_data_out = 0; -+ eeprom->reg_data_clock = 0; -+ eeprom->reg_chip_select = 1; -+ eeprom->register_write(eeprom); -+ -+ /* -+ * kick a pulse. -+ */ -+ eeprom_93cx6_pulse_high(eeprom); -+ eeprom_93cx6_pulse_low(eeprom); -+} -+ -+static void eeprom_93cx6_cleanup(struct eeprom_93cx6 *eeprom) -+{ -+ /* -+ * Clear chip_select and data_in flags. -+ */ -+ eeprom->register_read(eeprom); -+ eeprom->reg_data_in = 0; -+ eeprom->reg_chip_select = 0; -+ eeprom->register_write(eeprom); -+ -+ /* -+ * kick a pulse. -+ */ -+ eeprom_93cx6_pulse_high(eeprom); -+ eeprom_93cx6_pulse_low(eeprom); -+} -+ -+static void eeprom_93cx6_write_bits(struct eeprom_93cx6 *eeprom, -+ const u16 data, const u16 count) -+{ -+ unsigned int i; -+ -+ eeprom->register_read(eeprom); -+ -+ /* -+ * Clear data flags. -+ */ -+ eeprom->reg_data_in = 0; -+ eeprom->reg_data_out = 0; -+ -+ /* -+ * Start writing all bits. -+ */ -+ for (i = count; i > 0; i--) { -+ /* -+ * Check if this bit needs to be set. -+ */ -+ eeprom->reg_data_in = !!(data & (1 << (i - 1))); -+ -+ /* -+ * Write the bit to the eeprom register. -+ */ -+ eeprom->register_write(eeprom); -+ -+ /* -+ * Kick a pulse. -+ */ -+ eeprom_93cx6_pulse_high(eeprom); -+ eeprom_93cx6_pulse_low(eeprom); -+ } -+ -+ eeprom->reg_data_in = 0; -+ eeprom->register_write(eeprom); -+} -+ -+static void eeprom_93cx6_read_bits(struct eeprom_93cx6 *eeprom, -+ u16 *data, const u16 count) -+{ -+ unsigned int i; -+ u16 buf = 0; -+ -+ eeprom->register_read(eeprom); -+ -+ /* -+ * Clear data flags. -+ */ -+ eeprom->reg_data_in = 0; -+ eeprom->reg_data_out = 0; -+ -+ /* -+ * Start reading all bits. -+ */ -+ for (i = count; i > 0; i--) { -+ eeprom_93cx6_pulse_high(eeprom); -+ -+ eeprom->register_read(eeprom); -+ -+ /* -+ * Clear data_in flag. -+ */ -+ eeprom->reg_data_in = 0; -+ -+ /* -+ * Read if the bit has been set. -+ */ -+ if (eeprom->reg_data_out) -+ buf |= (1 << (i - 1)); -+ -+ eeprom_93cx6_pulse_low(eeprom); -+ } -+ -+ *data = buf; -+} -+ -+/** -+ * eeprom_93cx6_read - Read multiple words from eeprom -+ * @eeprom: Pointer to eeprom structure -+ * @word: Word index from where we should start reading -+ * @data: target pointer where the information will have to be stored -+ * -+ * This function will read the eeprom data as host-endian word -+ * into the given data pointer. -+ */ -+void eeprom_93cx6_read(struct eeprom_93cx6 *eeprom, const u8 word, -+ u16 *data) -+{ -+ u16 command; -+ -+ /* -+ * Initialize the eeprom register -+ */ -+ eeprom_93cx6_startup(eeprom); -+ -+ /* -+ * Select the read opcode and the word to be read. -+ */ -+ command = (PCI_EEPROM_READ_OPCODE << eeprom->width) | word; -+ eeprom_93cx6_write_bits(eeprom, command, -+ PCI_EEPROM_WIDTH_OPCODE + eeprom->width); -+ -+ /* -+ * Read the requested 16 bits. -+ */ -+ eeprom_93cx6_read_bits(eeprom, data, 16); -+ -+ /* -+ * Cleanup eeprom register. -+ */ -+ eeprom_93cx6_cleanup(eeprom); -+} -+EXPORT_SYMBOL_GPL(eeprom_93cx6_read); -+ -+/** -+ * eeprom_93cx6_multiread - Read multiple words from eeprom -+ * @eeprom: Pointer to eeprom structure -+ * @word: Word index from where we should start reading -+ * @data: target pointer where the information will have to be stored -+ * @words: Number of words that should be read. -+ * -+ * This function will read all requested words from the eeprom, -+ * this is done by calling eeprom_93cx6_read() multiple times. -+ * But with the additional change that while the eeprom_93cx6_read -+ * will return host ordered bytes, this method will return little -+ * endian words. -+ */ -+void eeprom_93cx6_multiread(struct eeprom_93cx6 *eeprom, const u8 word, -+ __le16 *data, const u16 words) -+{ -+ unsigned int i; -+ u16 tmp; -+ -+ for (i = 0; i < words; i++) { -+ tmp = 0; -+ eeprom_93cx6_read(eeprom, word + i, &tmp); -+ data[i] = cpu_to_le16(tmp); -+ } -+} -+EXPORT_SYMBOL_GPL(eeprom_93cx6_multiread); -+ -diff --git a/include/linux/eeprom_93cx6.h b/include/linux/eeprom_93cx6.h -new file mode 100644 -index 0000000..d774b77 ---- /dev/null -+++ b/include/linux/eeprom_93cx6.h -@@ -0,0 +1,72 @@ -+/* -+ Copyright (C) 2004 - 2006 rt2x00 SourceForge Project -+ <http://rt2x00.serialmonkey.com> -+ -+ This program is free software; you can redistribute it and/or modify -+ it under the terms of the GNU General Public License as published by -+ the Free Software Foundation; either version 2 of the License, or -+ (at your option) any later version. -+ -+ This program is distributed in the hope that it will be useful, -+ but WITHOUT ANY WARRANTY; without even the implied warranty of -+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ GNU General Public License for more details. -+ -+ You should have received a copy of the GNU General Public License -+ along with this program; if not, write to the -+ Free Software Foundation, Inc., -+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -+ */ -+ -+/* -+ Module: eeprom_93cx6 -+ Abstract: EEPROM reader datastructures for 93cx6 chipsets. -+ Supported chipsets: 93c46 & 93c66. -+ */ -+ -+/* -+ * EEPROM operation defines. -+ */ -+#define PCI_EEPROM_WIDTH_93C46 6 -+#define PCI_EEPROM_WIDTH_93C66 8 -+#define PCI_EEPROM_WIDTH_OPCODE 3 -+#define PCI_EEPROM_WRITE_OPCODE 0x05 -+#define PCI_EEPROM_READ_OPCODE 0x06 -+#define PCI_EEPROM_EWDS_OPCODE 0x10 -+#define PCI_EEPROM_EWEN_OPCODE 0x13 -+ -+/** -+ * struct eeprom_93cx6 - control structure for setting the commands -+ * for reading the eeprom data. -+ * @data: private pointer for the driver. -+ * @register_read(struct eeprom_93cx6 *eeprom): handler to -+ * read the eeprom register, this function should set all reg_* fields. -+ * @register_write(struct eeprom_93cx6 *eeprom): handler to -+ * write to the eeprom register by using all reg_* fields. -+ * @width: eeprom width, should be one of the PCI_EEPROM_WIDTH_* defines -+ * @reg_data_in: register field to indicate data input -+ * @reg_data_out: register field to indicate data output -+ * @reg_data_clock: register field to set the data clock -+ * @reg_chip_select: register field to set the chip select -+ * -+ * This structure is used for the communication between the driver -+ * and the eeprom_93cx6 handlers for reading the eeprom. -+ */ -+struct eeprom_93cx6 { -+ void *data; -+ -+ void (*register_read)(struct eeprom_93cx6 *eeprom); -+ void (*register_write)(struct eeprom_93cx6 *eeprom); -+ -+ int width; -+ -+ char reg_data_in; -+ char reg_data_out; -+ char reg_data_clock; -+ char reg_chip_select; -+}; -+ -+extern void eeprom_93cx6_read(struct eeprom_93cx6 *eeprom, -+ const u8 word, u16 *data); -+extern void eeprom_93cx6_multiread(struct eeprom_93cx6 *eeprom, -+ const u8 word, __le16 *data, const u16 words); diff --git a/target/linux/generic-2.6/patches/001-eeprom_93cx6.patch b/target/linux/generic-2.6/patches/001-eeprom_93cx6.patch deleted file mode 100644 index 9bc19fb49..000000000 --- a/target/linux/generic-2.6/patches/001-eeprom_93cx6.patch +++ /dev/null @@ -1,46 +0,0 @@ -From: Ivo van Doorn <ivdoorn@gmail.com> -Date: Mon, 14 May 2007 21:06:01 +0000 (+0200) -Subject: [PATCH] eeprom_93cx6: Add comment for 1us delay after pulse -X-Git-Tag: v2.6.23-rc1~1201^2~73 -X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=4b914dc0493edff19ff698a18198a173a14ba9d2 - -[PATCH] eeprom_93cx6: Add comment for 1us delay after pulse - -This will add a comment for the 1us delay which is taken -after the pulse has been switched. The 1us delay is based -on the specifications so that should be made clear. - -Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> -Signed-off-by: John W. Linville <linville@tuxdriver.com> ---- - -diff --git a/drivers/misc/eeprom_93cx6.c b/drivers/misc/eeprom_93cx6.c -index bfcb434..0d6d742 100644 ---- a/drivers/misc/eeprom_93cx6.c -+++ b/drivers/misc/eeprom_93cx6.c -@@ -39,6 +39,12 @@ static inline void eeprom_93cx6_pulse_high(struct eeprom_93cx6 *eeprom) - { - eeprom->reg_data_clock = 1; - eeprom->register_write(eeprom); -+ -+ /* -+ * Add a short delay for the pulse to work. -+ * According to the specifications the minimal time -+ * should be 450ns so a 1us delay is sufficient. -+ */ - udelay(1); - } - -@@ -46,6 +52,12 @@ static inline void eeprom_93cx6_pulse_low(struct eeprom_93cx6 *eeprom) - { - eeprom->reg_data_clock = 0; - eeprom->register_write(eeprom); -+ -+ /* -+ * Add a short delay for the pulse to work. -+ * According to the specifications the minimal time -+ * should be 450ns so a 1us delay is sufficient. -+ */ - udelay(1); - } - diff --git a/target/linux/generic-2.6/patches/002-eeprom_93cx6.patch b/target/linux/generic-2.6/patches/002-eeprom_93cx6.patch deleted file mode 100644 index 7f2b12554..000000000 --- a/target/linux/generic-2.6/patches/002-eeprom_93cx6.patch +++ /dev/null @@ -1,36 +0,0 @@ -From: John W. Linville <linville@tuxdriver.com> -Date: Tue, 12 Jun 2007 01:37:46 +0000 (-0400) -Subject: [PATCH] eeprom_93cx6: shorten pulse timing to match spec -X-Git-Tag: v2.6.23-rc1~1201^2~71 -X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=7e9400f178d291b2208c4ed9aac0f425c1364000 - -[PATCH] eeprom_93cx6: shorten pulse timing to match spec - -93cx6 datasheet available here: - - http://ww1.microchip.com/downloads/en/DeviceDoc/21749F.pdf - -Figure 1-1 and Table 1-2 on pages 4-5 indicate that both Clock High -Time and Clock Low Time have largest minimum times of 450ns. - -Signed-off-by: John W. Linville <linville@tuxdriver.com> ---- - -diff --git a/drivers/misc/eeprom_93cx6.c b/drivers/misc/eeprom_93cx6.c -index 0d6d742..ac515b0 100644 ---- a/drivers/misc/eeprom_93cx6.c -+++ b/drivers/misc/eeprom_93cx6.c -@@ -42,10 +42,10 @@ static inline void eeprom_93cx6_pulse_high(struct eeprom_93cx6 *eeprom) - - /* - * Add a short delay for the pulse to work. -- * According to the specifications the minimal time -- * should be 450ns so a 1us delay is sufficient. -+ * According to the specifications the "maximum minimum" -+ * time should be 450ns. - */ -- udelay(1); -+ ndelay(450); - } - - static inline void eeprom_93cx6_pulse_low(struct eeprom_93cx6 *eeprom) |