[P54]: add mac80211-based driver for prism54 softmac hardware
Signed-off-by: Michael Wu <flamingice@sourmilk.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Wu
David S. Miller
parent
0795af5729
commit
eff1a59c48
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@ -3060,6 +3060,14 @@ L: kpreempt-tech@lists.sourceforge.net
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W: ftp://ftp.kernel.org/pub/linux/kernel/people/rml/preempt-kernel
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S: Supported
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P54 WIRELESS DRIVER
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P: Michael Wu
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M: flamingice@sourmilk.net
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L: linux-wireless@vger.kernel.org
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W: http://prism54.org
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T: git kernel.org:/pub/scm/linux/kernel/git/mwu/mac80211-drivers.git
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S: Maintained
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PRISM54 WIRELESS DRIVER
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P: Luis R. Rodriguez
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M: mcgrof@gmail.com
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@ -577,6 +577,19 @@ config ADM8211
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Thanks to Infineon-ADMtek for their support of this driver.
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config P54_COMMON
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tristate "Softmac Prism54 support"
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depends on MAC80211 && WLAN_80211 && FW_LOADER && EXPERIMENTAL
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config P54_USB
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tristate "Prism54 USB support"
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depends on P54_COMMON && USB
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select CRC32
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config P54_PCI
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tristate "Prism54 PCI support"
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depends on P54_COMMON && PCI
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source "drivers/net/wireless/iwlwifi/Kconfig"
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source "drivers/net/wireless/hostap/Kconfig"
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source "drivers/net/wireless/bcm43xx/Kconfig"
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@ -54,3 +54,7 @@ obj-$(CONFIG_ADM8211) += adm8211.o
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obj-$(CONFIG_IWLWIFI) += iwlwifi/
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obj-$(CONFIG_RT2X00) += rt2x00/
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obj-$(CONFIG_P54_COMMON) += p54common.o
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obj-$(CONFIG_P54_USB) += p54usb.o
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obj-$(CONFIG_P54_PCI) += p54pci.o
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@ -0,0 +1,452 @@
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#ifndef NET2280_H
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#define NET2280_H
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/*
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* NetChip 2280 high/full speed USB device controller.
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* Unlike many such controllers, this one talks PCI.
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*/
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/*
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* Copyright (C) 2002 NetChip Technology, Inc. (http://www.netchip.com)
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* Copyright (C) 2003 David Brownell
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*-------------------------------------------------------------------------*/
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/* NET2280 MEMORY MAPPED REGISTERS
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*
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* The register layout came from the chip documentation, and the bit
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* number definitions were extracted from chip specification.
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*
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* Use the shift operator ('<<') to build bit masks, with readl/writel
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* to access the registers through PCI.
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*/
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/* main registers, BAR0 + 0x0000 */
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struct net2280_regs {
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// offset 0x0000
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__le32 devinit;
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#define LOCAL_CLOCK_FREQUENCY 8
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#define FORCE_PCI_RESET 7
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#define PCI_ID 6
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#define PCI_ENABLE 5
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#define FIFO_SOFT_RESET 4
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#define CFG_SOFT_RESET 3
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#define PCI_SOFT_RESET 2
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#define USB_SOFT_RESET 1
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#define M8051_RESET 0
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__le32 eectl;
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#define EEPROM_ADDRESS_WIDTH 23
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#define EEPROM_CHIP_SELECT_ACTIVE 22
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#define EEPROM_PRESENT 21
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#define EEPROM_VALID 20
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#define EEPROM_BUSY 19
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#define EEPROM_CHIP_SELECT_ENABLE 18
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#define EEPROM_BYTE_READ_START 17
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#define EEPROM_BYTE_WRITE_START 16
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#define EEPROM_READ_DATA 8
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#define EEPROM_WRITE_DATA 0
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__le32 eeclkfreq;
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u32 _unused0;
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// offset 0x0010
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__le32 pciirqenb0; /* interrupt PCI master ... */
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#define SETUP_PACKET_INTERRUPT_ENABLE 7
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#define ENDPOINT_F_INTERRUPT_ENABLE 6
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#define ENDPOINT_E_INTERRUPT_ENABLE 5
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#define ENDPOINT_D_INTERRUPT_ENABLE 4
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#define ENDPOINT_C_INTERRUPT_ENABLE 3
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#define ENDPOINT_B_INTERRUPT_ENABLE 2
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#define ENDPOINT_A_INTERRUPT_ENABLE 1
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#define ENDPOINT_0_INTERRUPT_ENABLE 0
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__le32 pciirqenb1;
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#define PCI_INTERRUPT_ENABLE 31
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#define POWER_STATE_CHANGE_INTERRUPT_ENABLE 27
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#define PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE 26
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#define PCI_PARITY_ERROR_INTERRUPT_ENABLE 25
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#define PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE 20
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#define PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE 19
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#define PCI_TARGET_ABORT_ASSERTED_INTERRUPT_ENABLE 18
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#define PCI_RETRY_ABORT_INTERRUPT_ENABLE 17
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#define PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE 16
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#define GPIO_INTERRUPT_ENABLE 13
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#define DMA_D_INTERRUPT_ENABLE 12
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#define DMA_C_INTERRUPT_ENABLE 11
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#define DMA_B_INTERRUPT_ENABLE 10
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#define DMA_A_INTERRUPT_ENABLE 9
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#define EEPROM_DONE_INTERRUPT_ENABLE 8
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#define VBUS_INTERRUPT_ENABLE 7
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#define CONTROL_STATUS_INTERRUPT_ENABLE 6
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#define ROOT_PORT_RESET_INTERRUPT_ENABLE 4
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#define SUSPEND_REQUEST_INTERRUPT_ENABLE 3
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#define SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE 2
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#define RESUME_INTERRUPT_ENABLE 1
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#define SOF_INTERRUPT_ENABLE 0
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__le32 cpu_irqenb0; /* ... or onboard 8051 */
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#define SETUP_PACKET_INTERRUPT_ENABLE 7
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#define ENDPOINT_F_INTERRUPT_ENABLE 6
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#define ENDPOINT_E_INTERRUPT_ENABLE 5
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#define ENDPOINT_D_INTERRUPT_ENABLE 4
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#define ENDPOINT_C_INTERRUPT_ENABLE 3
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#define ENDPOINT_B_INTERRUPT_ENABLE 2
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#define ENDPOINT_A_INTERRUPT_ENABLE 1
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#define ENDPOINT_0_INTERRUPT_ENABLE 0
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__le32 cpu_irqenb1;
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#define CPU_INTERRUPT_ENABLE 31
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#define POWER_STATE_CHANGE_INTERRUPT_ENABLE 27
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#define PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE 26
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#define PCI_PARITY_ERROR_INTERRUPT_ENABLE 25
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#define PCI_INTA_INTERRUPT_ENABLE 24
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#define PCI_PME_INTERRUPT_ENABLE 23
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#define PCI_SERR_INTERRUPT_ENABLE 22
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#define PCI_PERR_INTERRUPT_ENABLE 21
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#define PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE 20
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#define PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE 19
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#define PCI_RETRY_ABORT_INTERRUPT_ENABLE 17
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#define PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE 16
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#define GPIO_INTERRUPT_ENABLE 13
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#define DMA_D_INTERRUPT_ENABLE 12
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#define DMA_C_INTERRUPT_ENABLE 11
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#define DMA_B_INTERRUPT_ENABLE 10
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#define DMA_A_INTERRUPT_ENABLE 9
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#define EEPROM_DONE_INTERRUPT_ENABLE 8
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#define VBUS_INTERRUPT_ENABLE 7
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#define CONTROL_STATUS_INTERRUPT_ENABLE 6
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#define ROOT_PORT_RESET_INTERRUPT_ENABLE 4
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#define SUSPEND_REQUEST_INTERRUPT_ENABLE 3
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#define SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE 2
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#define RESUME_INTERRUPT_ENABLE 1
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#define SOF_INTERRUPT_ENABLE 0
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// offset 0x0020
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u32 _unused1;
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__le32 usbirqenb1;
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#define USB_INTERRUPT_ENABLE 31
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#define POWER_STATE_CHANGE_INTERRUPT_ENABLE 27
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#define PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE 26
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#define PCI_PARITY_ERROR_INTERRUPT_ENABLE 25
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#define PCI_INTA_INTERRUPT_ENABLE 24
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#define PCI_PME_INTERRUPT_ENABLE 23
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#define PCI_SERR_INTERRUPT_ENABLE 22
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#define PCI_PERR_INTERRUPT_ENABLE 21
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#define PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE 20
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#define PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE 19
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#define PCI_RETRY_ABORT_INTERRUPT_ENABLE 17
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#define PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE 16
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#define GPIO_INTERRUPT_ENABLE 13
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#define DMA_D_INTERRUPT_ENABLE 12
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#define DMA_C_INTERRUPT_ENABLE 11
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#define DMA_B_INTERRUPT_ENABLE 10
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#define DMA_A_INTERRUPT_ENABLE 9
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#define EEPROM_DONE_INTERRUPT_ENABLE 8
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#define VBUS_INTERRUPT_ENABLE 7
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#define CONTROL_STATUS_INTERRUPT_ENABLE 6
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#define ROOT_PORT_RESET_INTERRUPT_ENABLE 4
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#define SUSPEND_REQUEST_INTERRUPT_ENABLE 3
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#define SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE 2
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#define RESUME_INTERRUPT_ENABLE 1
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#define SOF_INTERRUPT_ENABLE 0
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__le32 irqstat0;
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#define INTA_ASSERTED 12
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#define SETUP_PACKET_INTERRUPT 7
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#define ENDPOINT_F_INTERRUPT 6
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#define ENDPOINT_E_INTERRUPT 5
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#define ENDPOINT_D_INTERRUPT 4
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#define ENDPOINT_C_INTERRUPT 3
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#define ENDPOINT_B_INTERRUPT 2
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#define ENDPOINT_A_INTERRUPT 1
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#define ENDPOINT_0_INTERRUPT 0
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__le32 irqstat1;
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#define POWER_STATE_CHANGE_INTERRUPT 27
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#define PCI_ARBITER_TIMEOUT_INTERRUPT 26
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#define PCI_PARITY_ERROR_INTERRUPT 25
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#define PCI_INTA_INTERRUPT 24
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#define PCI_PME_INTERRUPT 23
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#define PCI_SERR_INTERRUPT 22
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#define PCI_PERR_INTERRUPT 21
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#define PCI_MASTER_ABORT_RECEIVED_INTERRUPT 20
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#define PCI_TARGET_ABORT_RECEIVED_INTERRUPT 19
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#define PCI_RETRY_ABORT_INTERRUPT 17
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#define PCI_MASTER_CYCLE_DONE_INTERRUPT 16
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#define GPIO_INTERRUPT 13
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#define DMA_D_INTERRUPT 12
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#define DMA_C_INTERRUPT 11
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#define DMA_B_INTERRUPT 10
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#define DMA_A_INTERRUPT 9
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#define EEPROM_DONE_INTERRUPT 8
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#define VBUS_INTERRUPT 7
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#define CONTROL_STATUS_INTERRUPT 6
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#define ROOT_PORT_RESET_INTERRUPT 4
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#define SUSPEND_REQUEST_INTERRUPT 3
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#define SUSPEND_REQUEST_CHANGE_INTERRUPT 2
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#define RESUME_INTERRUPT 1
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#define SOF_INTERRUPT 0
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// offset 0x0030
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__le32 idxaddr;
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__le32 idxdata;
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__le32 fifoctl;
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#define PCI_BASE2_RANGE 16
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#define IGNORE_FIFO_AVAILABILITY 3
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#define PCI_BASE2_SELECT 2
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#define FIFO_CONFIGURATION_SELECT 0
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u32 _unused2;
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// offset 0x0040
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__le32 memaddr;
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#define START 28
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#define DIRECTION 27
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#define FIFO_DIAGNOSTIC_SELECT 24
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#define MEMORY_ADDRESS 0
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__le32 memdata0;
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__le32 memdata1;
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u32 _unused3;
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// offset 0x0050
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__le32 gpioctl;
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#define GPIO3_LED_SELECT 12
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#define GPIO3_INTERRUPT_ENABLE 11
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#define GPIO2_INTERRUPT_ENABLE 10
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#define GPIO1_INTERRUPT_ENABLE 9
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#define GPIO0_INTERRUPT_ENABLE 8
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#define GPIO3_OUTPUT_ENABLE 7
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#define GPIO2_OUTPUT_ENABLE 6
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#define GPIO1_OUTPUT_ENABLE 5
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#define GPIO0_OUTPUT_ENABLE 4
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#define GPIO3_DATA 3
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#define GPIO2_DATA 2
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#define GPIO1_DATA 1
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#define GPIO0_DATA 0
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__le32 gpiostat;
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#define GPIO3_INTERRUPT 3
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#define GPIO2_INTERRUPT 2
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#define GPIO1_INTERRUPT 1
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#define GPIO0_INTERRUPT 0
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} __attribute__ ((packed));
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/* usb control, BAR0 + 0x0080 */
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struct net2280_usb_regs {
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// offset 0x0080
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__le32 stdrsp;
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#define STALL_UNSUPPORTED_REQUESTS 31
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#define SET_TEST_MODE 16
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#define GET_OTHER_SPEED_CONFIGURATION 15
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#define GET_DEVICE_QUALIFIER 14
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#define SET_ADDRESS 13
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#define ENDPOINT_SET_CLEAR_HALT 12
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#define DEVICE_SET_CLEAR_DEVICE_REMOTE_WAKEUP 11
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#define GET_STRING_DESCRIPTOR_2 10
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#define GET_STRING_DESCRIPTOR_1 9
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#define GET_STRING_DESCRIPTOR_0 8
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#define GET_SET_INTERFACE 6
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#define GET_SET_CONFIGURATION 5
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#define GET_CONFIGURATION_DESCRIPTOR 4
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#define GET_DEVICE_DESCRIPTOR 3
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#define GET_ENDPOINT_STATUS 2
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#define GET_INTERFACE_STATUS 1
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#define GET_DEVICE_STATUS 0
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__le32 prodvendid;
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#define PRODUCT_ID 16
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#define VENDOR_ID 0
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__le32 relnum;
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__le32 usbctl;
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#define SERIAL_NUMBER_INDEX 16
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#define PRODUCT_ID_STRING_ENABLE 13
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#define VENDOR_ID_STRING_ENABLE 12
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#define USB_ROOT_PORT_WAKEUP_ENABLE 11
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#define VBUS_PIN 10
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#define TIMED_DISCONNECT 9
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#define SUSPEND_IMMEDIATELY 7
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#define SELF_POWERED_USB_DEVICE 6
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#define REMOTE_WAKEUP_SUPPORT 5
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#define PME_POLARITY 4
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#define USB_DETECT_ENABLE 3
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#define PME_WAKEUP_ENABLE 2
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#define DEVICE_REMOTE_WAKEUP_ENABLE 1
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#define SELF_POWERED_STATUS 0
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// offset 0x0090
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__le32 usbstat;
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#define HIGH_SPEED 7
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#define FULL_SPEED 6
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#define GENERATE_RESUME 5
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#define GENERATE_DEVICE_REMOTE_WAKEUP 4
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__le32 xcvrdiag;
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#define FORCE_HIGH_SPEED_MODE 31
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#define FORCE_FULL_SPEED_MODE 30
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#define USB_TEST_MODE 24
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#define LINE_STATE 16
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#define TRANSCEIVER_OPERATION_MODE 2
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#define TRANSCEIVER_SELECT 1
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#define TERMINATION_SELECT 0
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__le32 setup0123;
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__le32 setup4567;
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// offset 0x0090
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u32 _unused0;
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__le32 ouraddr;
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#define FORCE_IMMEDIATE 7
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#define OUR_USB_ADDRESS 0
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__le32 ourconfig;
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} __attribute__ ((packed));
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/* pci control, BAR0 + 0x0100 */
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struct net2280_pci_regs {
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// offset 0x0100
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__le32 pcimstctl;
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#define PCI_ARBITER_PARK_SELECT 13
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#define PCI_MULTI LEVEL_ARBITER 12
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#define PCI_RETRY_ABORT_ENABLE 11
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#define DMA_MEMORY_WRITE_AND_INVALIDATE_ENABLE 10
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#define DMA_READ_MULTIPLE_ENABLE 9
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#define DMA_READ_LINE_ENABLE 8
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#define PCI_MASTER_COMMAND_SELECT 6
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#define MEM_READ_OR_WRITE 0
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#define IO_READ_OR_WRITE 1
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#define CFG_READ_OR_WRITE 2
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#define PCI_MASTER_START 5
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#define PCI_MASTER_READ_WRITE 4
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#define PCI_MASTER_WRITE 0
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#define PCI_MASTER_READ 1
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#define PCI_MASTER_BYTE_WRITE_ENABLES 0
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__le32 pcimstaddr;
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__le32 pcimstdata;
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__le32 pcimststat;
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#define PCI_ARBITER_CLEAR 2
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#define PCI_EXTERNAL_ARBITER 1
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#define PCI_HOST_MODE 0
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} __attribute__ ((packed));
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/* dma control, BAR0 + 0x0180 ... array of four structs like this,
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* for channels 0..3. see also struct net2280_dma: descriptor
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* that can be loaded into some of these registers.
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*/
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struct net2280_dma_regs { /* [11.7] */
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// offset 0x0180, 0x01a0, 0x01c0, 0x01e0,
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__le32 dmactl;
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#define DMA_SCATTER_GATHER_DONE_INTERRUPT_ENABLE 25
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#define DMA_CLEAR_COUNT_ENABLE 21
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#define DESCRIPTOR_POLLING_RATE 19
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#define POLL_CONTINUOUS 0
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#define POLL_1_USEC 1
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#define POLL_100_USEC 2
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#define POLL_1_MSEC 3
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#define DMA_VALID_BIT_POLLING_ENABLE 18
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#define DMA_VALID_BIT_ENABLE 17
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#define DMA_SCATTER_GATHER_ENABLE 16
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#define DMA_OUT_AUTO_START_ENABLE 4
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#define DMA_PREEMPT_ENABLE 3
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#define DMA_FIFO_VALIDATE 2
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#define DMA_ENABLE 1
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#define DMA_ADDRESS_HOLD 0
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__le32 dmastat;
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#define DMA_SCATTER_GATHER_DONE_INTERRUPT 25
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#define DMA_TRANSACTION_DONE_INTERRUPT 24
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#define DMA_ABORT 1
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#define DMA_START 0
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u32 _unused0[2];
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// offset 0x0190, 0x01b0, 0x01d0, 0x01f0,
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__le32 dmacount;
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#define VALID_BIT 31
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#define DMA_DIRECTION 30
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#define DMA_DONE_INTERRUPT_ENABLE 29
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#define END_OF_CHAIN 28
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#define DMA_BYTE_COUNT_MASK ((1<<24)-1)
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#define DMA_BYTE_COUNT 0
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__le32 dmaaddr;
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__le32 dmadesc;
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u32 _unused1;
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} __attribute__ ((packed));
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/* dedicated endpoint registers, BAR0 + 0x0200 */
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struct net2280_dep_regs { /* [11.8] */
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// offset 0x0200, 0x0210, 0x220, 0x230, 0x240
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__le32 dep_cfg;
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// offset 0x0204, 0x0214, 0x224, 0x234, 0x244
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__le32 dep_rsp;
|
||||
u32 _unused[2];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
/* configurable endpoint registers, BAR0 + 0x0300 ... array of seven structs
|
||||
* like this, for ep0 then the configurable endpoints A..F
|
||||
* ep0 reserved for control; E and F have only 64 bytes of fifo
|
||||
*/
|
||||
struct net2280_ep_regs { /* [11.9] */
|
||||
// offset 0x0300, 0x0320, 0x0340, 0x0360, 0x0380, 0x03a0, 0x03c0
|
||||
__le32 ep_cfg;
|
||||
#define ENDPOINT_BYTE_COUNT 16
|
||||
#define ENDPOINT_ENABLE 10
|
||||
#define ENDPOINT_TYPE 8
|
||||
#define ENDPOINT_DIRECTION 7
|
||||
#define ENDPOINT_NUMBER 0
|
||||
__le32 ep_rsp;
|
||||
#define SET_NAK_OUT_PACKETS 15
|
||||
#define SET_EP_HIDE_STATUS_PHASE 14
|
||||
#define SET_EP_FORCE_CRC_ERROR 13
|
||||
#define SET_INTERRUPT_MODE 12
|
||||
#define SET_CONTROL_STATUS_PHASE_HANDSHAKE 11
|
||||
#define SET_NAK_OUT_PACKETS_MODE 10
|
||||
#define SET_ENDPOINT_TOGGLE 9
|
||||
#define SET_ENDPOINT_HALT 8
|
||||
#define CLEAR_NAK_OUT_PACKETS 7
|
||||
#define CLEAR_EP_HIDE_STATUS_PHASE 6
|
||||
#define CLEAR_EP_FORCE_CRC_ERROR 5
|
||||
#define CLEAR_INTERRUPT_MODE 4
|
||||
#define CLEAR_CONTROL_STATUS_PHASE_HANDSHAKE 3
|
||||
#define CLEAR_NAK_OUT_PACKETS_MODE 2
|
||||
#define CLEAR_ENDPOINT_TOGGLE 1
|
||||
#define CLEAR_ENDPOINT_HALT 0
|
||||
__le32 ep_irqenb;
|
||||
#define SHORT_PACKET_OUT_DONE_INTERRUPT_ENABLE 6
|
||||
#define SHORT_PACKET_TRANSFERRED_INTERRUPT_ENABLE 5
|
||||
#define DATA_PACKET_RECEIVED_INTERRUPT_ENABLE 3
|
||||
#define DATA_PACKET_TRANSMITTED_INTERRUPT_ENABLE 2
|
||||
#define DATA_OUT_PING_TOKEN_INTERRUPT_ENABLE 1
|
||||
#define DATA_IN_TOKEN_INTERRUPT_ENABLE 0
|
||||
__le32 ep_stat;
|
||||
#define FIFO_VALID_COUNT 24
|
||||
#define HIGH_BANDWIDTH_OUT_TRANSACTION_PID 22
|
||||
#define TIMEOUT 21
|
||||
#define USB_STALL_SENT 20
|
||||
#define USB_IN_NAK_SENT 19
|
||||
#define USB_IN_ACK_RCVD 18
|
||||
#define USB_OUT_PING_NAK_SENT 17
|
||||
#define USB_OUT_ACK_SENT 16
|
||||
#define FIFO_OVERFLOW 13
|
||||
#define FIFO_UNDERFLOW 12
|
||||
#define FIFO_FULL 11
|
||||
#define FIFO_EMPTY 10
|
||||
#define FIFO_FLUSH 9
|
||||
#define SHORT_PACKET_OUT_DONE_INTERRUPT 6
|
||||
#define SHORT_PACKET_TRANSFERRED_INTERRUPT 5
|
||||
#define NAK_OUT_PACKETS 4
|
||||
#define DATA_PACKET_RECEIVED_INTERRUPT 3
|
||||
#define DATA_PACKET_TRANSMITTED_INTERRUPT 2
|
||||
#define DATA_OUT_PING_TOKEN_INTERRUPT 1
|
||||
#define DATA_IN_TOKEN_INTERRUPT 0
|
||||
// offset 0x0310, 0x0330, 0x0350, 0x0370, 0x0390, 0x03b0, 0x03d0
|
||||
__le32 ep_avail;
|
||||
__le32 ep_data;
|
||||
u32 _unused0[2];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct net2280_reg_write {
|
||||
__le16 port;
|
||||
__le32 addr;
|
||||
__le32 val;
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct net2280_reg_read {
|
||||
__le16 port;
|
||||
__le32 addr;
|
||||
} __attribute__ ((packed));
|
||||
#endif /* NET2280_H */
|
||||
|
|
@ -0,0 +1,80 @@
|
|||
#ifndef PRISM54_H
|
||||
#define PRISM54_H
|
||||
|
||||
/*
|
||||
* Shared defines for all mac80211 Prism54 code
|
||||
*
|
||||
* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
|
||||
*
|
||||
* Based on the islsm (softmac prism54) driver, which is:
|
||||
* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
enum control_frame_types {
|
||||
P54_CONTROL_TYPE_FILTER_SET = 0,
|
||||
P54_CONTROL_TYPE_CHANNEL_CHANGE,
|
||||
P54_CONTROL_TYPE_FREQDONE,
|
||||
P54_CONTROL_TYPE_DCFINIT,
|
||||
P54_CONTROL_TYPE_FREEQUEUE = 7,
|
||||
P54_CONTROL_TYPE_TXDONE,
|
||||
P54_CONTROL_TYPE_PING,
|
||||
P54_CONTROL_TYPE_STAT_READBACK,
|
||||
P54_CONTROL_TYPE_BBP,
|
||||
P54_CONTROL_TYPE_EEPROM_READBACK,
|
||||
P54_CONTROL_TYPE_LED
|
||||
};
|
||||
|
||||
struct p54_control_hdr {
|
||||
__le16 magic1;
|
||||
__le16 len;
|
||||
__le32 req_id;
|
||||
__le16 type; /* enum control_frame_types */
|
||||
u8 retry1;
|
||||
u8 retry2;
|
||||
u8 data[0];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
#define EEPROM_READBACK_LEN (sizeof(struct p54_control_hdr) + 4 /* p54_eeprom_lm86 */)
|
||||
#define MAX_RX_SIZE (IEEE80211_MAX_RTS_THRESHOLD + sizeof(struct p54_control_hdr) + 20 /* length of struct p54_rx_hdr */ + 16 )
|
||||
|
||||
#define ISL38XX_DEV_FIRMWARE_ADDR 0x20000
|
||||
|
||||
struct p54_common {
|
||||
u32 rx_start;
|
||||
u32 rx_end;
|
||||
struct sk_buff_head tx_queue;
|
||||
void (*tx)(struct ieee80211_hw *dev, struct p54_control_hdr *data,
|
||||
size_t len, int free_on_tx);
|
||||
int (*open)(struct ieee80211_hw *dev);
|
||||
void (*stop)(struct ieee80211_hw *dev);
|
||||
int mode;
|
||||
u8 *mac_addr;
|
||||
struct pda_iq_autocal_entry *iq_autocal;
|
||||
unsigned int iq_autocal_len;
|
||||
struct pda_channel_output_limit *output_limit;
|
||||
unsigned int output_limit_len;
|
||||
struct pda_pa_curve_data *curve_data;
|
||||
__le16 rxhw;
|
||||
u8 version;
|
||||
unsigned int tx_hdr_len;
|
||||
void *cached_vdcf;
|
||||
unsigned int fw_var;
|
||||
/* FIXME: this channels/modes/rates stuff sucks */
|
||||
struct ieee80211_channel channels[14];
|
||||
struct ieee80211_rate rates[12];
|
||||
struct ieee80211_hw_mode modes[2];
|
||||
struct ieee80211_tx_queue_stats tx_stats;
|
||||
};
|
||||
|
||||
int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb);
|
||||
void p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw);
|
||||
int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len);
|
||||
void p54_fill_eeprom_readback(struct p54_control_hdr *hdr);
|
||||
struct ieee80211_hw *p54_init_common(size_t priv_data_len);
|
||||
void p54_free_common(struct ieee80211_hw *dev);
|
||||
|
||||
#endif /* PRISM54_H */
|
||||
|
|
@ -0,0 +1,983 @@
|
|||
|
||||
/*
|
||||
* Common code for mac80211 Prism54 drivers
|
||||
*
|
||||
* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
|
||||
* Copyright (c) 2007, Christian Lamparter <chunkeey@web.de>
|
||||
*
|
||||
* Based on the islsm (softmac prism54) driver, which is:
|
||||
* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/firmware.h>
|
||||
#include <linux/etherdevice.h>
|
||||
|
||||
#include <net/mac80211.h>
|
||||
|
||||
#include "p54.h"
|
||||
#include "p54common.h"
|
||||
|
||||
MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
|
||||
MODULE_DESCRIPTION("Softmac Prism54 common code");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS("prism54common");
|
||||
|
||||
void p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
struct bootrec_exp_if *exp_if;
|
||||
struct bootrec *bootrec;
|
||||
u32 *data = (u32 *)fw->data;
|
||||
u32 *end_data = (u32 *)fw->data + (fw->size >> 2);
|
||||
u8 *fw_version = NULL;
|
||||
size_t len;
|
||||
int i;
|
||||
|
||||
if (priv->rx_start)
|
||||
return;
|
||||
|
||||
while (data < end_data && *data)
|
||||
data++;
|
||||
|
||||
while (data < end_data && !*data)
|
||||
data++;
|
||||
|
||||
bootrec = (struct bootrec *) data;
|
||||
|
||||
while (bootrec->data <= end_data &&
|
||||
(bootrec->data + (len = le32_to_cpu(bootrec->len))) <= end_data) {
|
||||
u32 code = le32_to_cpu(bootrec->code);
|
||||
switch (code) {
|
||||
case BR_CODE_COMPONENT_ID:
|
||||
switch (be32_to_cpu(*bootrec->data)) {
|
||||
case FW_FMAC:
|
||||
printk(KERN_INFO "p54: FreeMAC firmware\n");
|
||||
break;
|
||||
case FW_LM20:
|
||||
printk(KERN_INFO "p54: LM20 firmware\n");
|
||||
break;
|
||||
case FW_LM86:
|
||||
printk(KERN_INFO "p54: LM86 firmware\n");
|
||||
break;
|
||||
case FW_LM87:
|
||||
printk(KERN_INFO "p54: LM87 firmware - not supported yet!\n");
|
||||
break;
|
||||
default:
|
||||
printk(KERN_INFO "p54: unknown firmware\n");
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case BR_CODE_COMPONENT_VERSION:
|
||||
/* 24 bytes should be enough for all firmwares */
|
||||
if (strnlen((unsigned char*)bootrec->data, 24) < 24)
|
||||
fw_version = (unsigned char*)bootrec->data;
|
||||
break;
|
||||
case BR_CODE_DESCR:
|
||||
priv->rx_start = le32_to_cpu(bootrec->data[1]);
|
||||
/* FIXME add sanity checking */
|
||||
priv->rx_end = le32_to_cpu(bootrec->data[2]) - 0x3500;
|
||||
break;
|
||||
case BR_CODE_EXPOSED_IF:
|
||||
exp_if = (struct bootrec_exp_if *) bootrec->data;
|
||||
for (i = 0; i < (len * sizeof(*exp_if) / 4); i++)
|
||||
if (exp_if[i].if_id == 0x1a)
|
||||
priv->fw_var = le16_to_cpu(exp_if[i].variant);
|
||||
break;
|
||||
case BR_CODE_DEPENDENT_IF:
|
||||
break;
|
||||
case BR_CODE_END_OF_BRA:
|
||||
case LEGACY_BR_CODE_END_OF_BRA:
|
||||
end_data = NULL;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
bootrec = (struct bootrec *)&bootrec->data[len];
|
||||
}
|
||||
|
||||
if (fw_version)
|
||||
printk(KERN_INFO "p54: FW rev %s - Softmac protocol %x.%x\n",
|
||||
fw_version, priv->fw_var >> 8, priv->fw_var & 0xff);
|
||||
|
||||
if (priv->fw_var >= 0x300) {
|
||||
/* Firmware supports QoS, use it! */
|
||||
priv->tx_stats.data[0].limit = 3;
|
||||
priv->tx_stats.data[1].limit = 4;
|
||||
priv->tx_stats.data[2].limit = 3;
|
||||
priv->tx_stats.data[3].limit = 1;
|
||||
dev->queues = 4;
|
||||
}
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(p54_parse_firmware);
|
||||
|
||||
static int p54_convert_rev0_to_rev1(struct ieee80211_hw *dev,
|
||||
struct pda_pa_curve_data *curve_data)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
struct pda_pa_curve_data_sample_rev1 *rev1;
|
||||
struct pda_pa_curve_data_sample_rev0 *rev0;
|
||||
size_t cd_len = sizeof(*curve_data) +
|
||||
(curve_data->points_per_channel*sizeof(*rev1) + 2) *
|
||||
curve_data->channels;
|
||||
unsigned int i, j;
|
||||
void *source, *target;
|
||||
|
||||
priv->curve_data = kmalloc(cd_len, GFP_KERNEL);
|
||||
if (!priv->curve_data)
|
||||
return -ENOMEM;
|
||||
|
||||
memcpy(priv->curve_data, curve_data, sizeof(*curve_data));
|
||||
source = curve_data->data;
|
||||
target = priv->curve_data->data;
|
||||
for (i = 0; i < curve_data->channels; i++) {
|
||||
__le16 *freq = source;
|
||||
source += sizeof(__le16);
|
||||
*((__le16 *)target) = *freq;
|
||||
target += sizeof(__le16);
|
||||
for (j = 0; j < curve_data->points_per_channel; j++) {
|
||||
rev1 = target;
|
||||
rev0 = source;
|
||||
|
||||
rev1->rf_power = rev0->rf_power;
|
||||
rev1->pa_detector = rev0->pa_detector;
|
||||
rev1->data_64qam = rev0->pcv;
|
||||
/* "invent" the points for the other modulations */
|
||||
#define SUB(x,y) (u8)((x) - (y)) > (x) ? 0 : (x) - (y)
|
||||
rev1->data_16qam = SUB(rev0->pcv, 12);
|
||||
rev1->data_qpsk = SUB(rev1->data_16qam, 12);
|
||||
rev1->data_bpsk = SUB(rev1->data_qpsk, 12);
|
||||
rev1->data_barker= SUB(rev1->data_bpsk, 14);
|
||||
#undef SUB
|
||||
target += sizeof(*rev1);
|
||||
source += sizeof(*rev0);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
struct eeprom_pda_wrap *wrap = NULL;
|
||||
struct pda_entry *entry;
|
||||
int i = 0;
|
||||
unsigned int data_len, entry_len;
|
||||
void *tmp;
|
||||
int err;
|
||||
|
||||
wrap = (struct eeprom_pda_wrap *) eeprom;
|
||||
entry = (void *)wrap->data + wrap->len;
|
||||
i += 2;
|
||||
i += le16_to_cpu(entry->len)*2;
|
||||
while (i < len) {
|
||||
entry_len = le16_to_cpu(entry->len);
|
||||
data_len = ((entry_len - 1) << 1);
|
||||
switch (le16_to_cpu(entry->code)) {
|
||||
case PDR_MAC_ADDRESS:
|
||||
SET_IEEE80211_PERM_ADDR(dev, entry->data);
|
||||
break;
|
||||
case PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS:
|
||||
if (data_len < 2) {
|
||||
err = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (2 + entry->data[1]*sizeof(*priv->output_limit) > data_len) {
|
||||
err = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
priv->output_limit = kmalloc(entry->data[1] *
|
||||
sizeof(*priv->output_limit), GFP_KERNEL);
|
||||
|
||||
if (!priv->output_limit) {
|
||||
err = -ENOMEM;
|
||||
goto err;
|
||||
}
|
||||
|
||||
memcpy(priv->output_limit, &entry->data[2],
|
||||
entry->data[1]*sizeof(*priv->output_limit));
|
||||
priv->output_limit_len = entry->data[1];
|
||||
break;
|
||||
case PDR_PRISM_PA_CAL_CURVE_DATA:
|
||||
if (data_len < sizeof(struct pda_pa_curve_data)) {
|
||||
err = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (((struct pda_pa_curve_data *)entry->data)->cal_method_rev) {
|
||||
priv->curve_data = kmalloc(data_len, GFP_KERNEL);
|
||||
if (!priv->curve_data) {
|
||||
err = -ENOMEM;
|
||||
goto err;
|
||||
}
|
||||
|
||||
memcpy(priv->curve_data, entry->data, data_len);
|
||||
} else {
|
||||
err = p54_convert_rev0_to_rev1(dev, (struct pda_pa_curve_data *)entry->data);
|
||||
if (err)
|
||||
goto err;
|
||||
}
|
||||
|
||||
break;
|
||||
case PDR_PRISM_ZIF_TX_IQ_CALIBRATION:
|
||||
priv->iq_autocal = kmalloc(data_len, GFP_KERNEL);
|
||||
if (!priv->iq_autocal) {
|
||||
err = -ENOMEM;
|
||||
goto err;
|
||||
}
|
||||
|
||||
memcpy(priv->iq_autocal, entry->data, data_len);
|
||||
priv->iq_autocal_len = data_len / sizeof(struct pda_iq_autocal_entry);
|
||||
break;
|
||||
case PDR_INTERFACE_LIST:
|
||||
tmp = entry->data;
|
||||
while ((u8 *)tmp < entry->data + data_len) {
|
||||
struct bootrec_exp_if *exp_if = tmp;
|
||||
if (le16_to_cpu(exp_if->if_id) == 0xF)
|
||||
priv->rxhw = exp_if->variant & cpu_to_le16(0x07);
|
||||
tmp += sizeof(struct bootrec_exp_if);
|
||||
}
|
||||
break;
|
||||
case PDR_HARDWARE_PLATFORM_COMPONENT_ID:
|
||||
priv->version = *(u8 *)(entry->data + 1);
|
||||
break;
|
||||
case PDR_END:
|
||||
i = len;
|
||||
break;
|
||||
}
|
||||
|
||||
entry = (void *)entry + (entry_len + 1)*2;
|
||||
i += 2;
|
||||
i += entry_len*2;
|
||||
}
|
||||
|
||||
if (!priv->iq_autocal || !priv->output_limit || !priv->curve_data) {
|
||||
printk(KERN_ERR "p54: not all required entries found in eeprom!\n");
|
||||
err = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err:
|
||||
if (priv->iq_autocal) {
|
||||
kfree(priv->iq_autocal);
|
||||
priv->iq_autocal = NULL;
|
||||
}
|
||||
|
||||
if (priv->output_limit) {
|
||||
kfree(priv->output_limit);
|
||||
priv->output_limit = NULL;
|
||||
}
|
||||
|
||||
if (priv->curve_data) {
|
||||
kfree(priv->curve_data);
|
||||
priv->curve_data = NULL;
|
||||
}
|
||||
|
||||
printk(KERN_ERR "p54: eeprom parse failed!\n");
|
||||
return err;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(p54_parse_eeprom);
|
||||
|
||||
void p54_fill_eeprom_readback(struct p54_control_hdr *hdr)
|
||||
{
|
||||
struct p54_eeprom_lm86 *eeprom_hdr;
|
||||
|
||||
hdr->magic1 = cpu_to_le16(0x8000);
|
||||
hdr->len = cpu_to_le16(sizeof(*eeprom_hdr) + 0x2000);
|
||||
hdr->type = cpu_to_le16(P54_CONTROL_TYPE_EEPROM_READBACK);
|
||||
hdr->retry1 = hdr->retry2 = 0;
|
||||
eeprom_hdr = (struct p54_eeprom_lm86 *) hdr->data;
|
||||
eeprom_hdr->offset = 0x0;
|
||||
eeprom_hdr->len = cpu_to_le16(0x2000);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(p54_fill_eeprom_readback);
|
||||
|
||||
static void p54_rx_data(struct ieee80211_hw *dev, struct sk_buff *skb)
|
||||
{
|
||||
struct p54_rx_hdr *hdr = (struct p54_rx_hdr *) skb->data;
|
||||
struct ieee80211_rx_status rx_status = {0};
|
||||
u16 freq = le16_to_cpu(hdr->freq);
|
||||
|
||||
rx_status.ssi = hdr->rssi;
|
||||
rx_status.rate = hdr->rate & 0x1f; /* report short preambles & CCK too */
|
||||
rx_status.channel = freq == 2484 ? 14 : (freq - 2407)/5;
|
||||
rx_status.freq = freq;
|
||||
rx_status.phymode = MODE_IEEE80211G;
|
||||
rx_status.antenna = hdr->antenna;
|
||||
rx_status.mactime = le64_to_cpu(hdr->timestamp);
|
||||
|
||||
skb_pull(skb, sizeof(*hdr));
|
||||
skb_trim(skb, le16_to_cpu(hdr->len));
|
||||
|
||||
ieee80211_rx_irqsafe(dev, skb, &rx_status);
|
||||
}
|
||||
|
||||
static void inline p54_wake_free_queues(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
int i;
|
||||
|
||||
/* ieee80211_start_queues is great if all queues are really empty.
|
||||
* But, what if some are full? */
|
||||
|
||||
for (i = 0; i < dev->queues; i++)
|
||||
if (priv->tx_stats.data[i].len < priv->tx_stats.data[i].limit)
|
||||
ieee80211_wake_queue(dev, i);
|
||||
}
|
||||
|
||||
static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
struct p54_control_hdr *hdr = (struct p54_control_hdr *) skb->data;
|
||||
struct p54_frame_sent_hdr *payload = (struct p54_frame_sent_hdr *) hdr->data;
|
||||
struct sk_buff *entry = (struct sk_buff *) priv->tx_queue.next;
|
||||
u32 addr = le32_to_cpu(hdr->req_id) - 0x70;
|
||||
struct memrecord *range = NULL;
|
||||
u32 freed = 0;
|
||||
u32 last_addr = priv->rx_start;
|
||||
|
||||
while (entry != (struct sk_buff *)&priv->tx_queue) {
|
||||
range = (struct memrecord *)&entry->cb;
|
||||
if (range->start_addr == addr) {
|
||||
struct ieee80211_tx_status status = {{0}};
|
||||
struct p54_control_hdr *entry_hdr;
|
||||
struct p54_tx_control_allocdata *entry_data;
|
||||
int pad = 0;
|
||||
|
||||
if (entry->next != (struct sk_buff *)&priv->tx_queue)
|
||||
freed = ((struct memrecord *)&entry->next->cb)->start_addr - last_addr;
|
||||
else
|
||||
freed = priv->rx_end - last_addr;
|
||||
|
||||
last_addr = range->end_addr;
|
||||
__skb_unlink(entry, &priv->tx_queue);
|
||||
if (!range->control) {
|
||||
kfree_skb(entry);
|
||||
break;
|
||||
}
|
||||
memcpy(&status.control, range->control,
|
||||
sizeof(status.control));
|
||||
kfree(range->control);
|
||||
priv->tx_stats.data[status.control.queue].len--;
|
||||
|
||||
entry_hdr = (struct p54_control_hdr *) entry->data;
|
||||
entry_data = (struct p54_tx_control_allocdata *) entry_hdr->data;
|
||||
if ((entry_hdr->magic1 & cpu_to_le16(0x4000)) != 0)
|
||||
pad = entry_data->align[0];
|
||||
|
||||
if (!status.control.flags & IEEE80211_TXCTL_NO_ACK) {
|
||||
if (!(payload->status & 0x01))
|
||||
status.flags |= IEEE80211_TX_STATUS_ACK;
|
||||
else
|
||||
status.excessive_retries = 1;
|
||||
}
|
||||
status.retry_count = payload->retries - 1;
|
||||
status.ack_signal = le16_to_cpu(payload->ack_rssi);
|
||||
skb_pull(entry, sizeof(*hdr) + pad + sizeof(*entry_data));
|
||||
ieee80211_tx_status_irqsafe(dev, entry, &status);
|
||||
break;
|
||||
} else
|
||||
last_addr = range->end_addr;
|
||||
entry = entry->next;
|
||||
}
|
||||
|
||||
if (freed >= IEEE80211_MAX_RTS_THRESHOLD + 0x170 +
|
||||
sizeof(struct p54_control_hdr))
|
||||
p54_wake_free_queues(dev);
|
||||
}
|
||||
|
||||
static void p54_rx_control(struct ieee80211_hw *dev, struct sk_buff *skb)
|
||||
{
|
||||
struct p54_control_hdr *hdr = (struct p54_control_hdr *) skb->data;
|
||||
|
||||
switch (le16_to_cpu(hdr->type)) {
|
||||
case P54_CONTROL_TYPE_TXDONE:
|
||||
p54_rx_frame_sent(dev, skb);
|
||||
break;
|
||||
case P54_CONTROL_TYPE_BBP:
|
||||
break;
|
||||
default:
|
||||
printk(KERN_DEBUG "%s: not handling 0x%02x type control frame\n",
|
||||
wiphy_name(dev->wiphy), le16_to_cpu(hdr->type));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* returns zero if skb can be reused */
|
||||
int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb)
|
||||
{
|
||||
u8 type = le16_to_cpu(*((__le16 *)skb->data)) >> 8;
|
||||
switch (type) {
|
||||
case 0x00:
|
||||
case 0x01:
|
||||
p54_rx_data(dev, skb);
|
||||
return -1;
|
||||
case 0x4d:
|
||||
/* TODO: do something better... but then again, I've never seen this happen */
|
||||
printk(KERN_ERR "%s: Received fault. Probably need to restart hardware now..\n",
|
||||
wiphy_name(dev->wiphy));
|
||||
break;
|
||||
case 0x80:
|
||||
p54_rx_control(dev, skb);
|
||||
break;
|
||||
default:
|
||||
printk(KERN_ERR "%s: unknown frame RXed (0x%02x)\n",
|
||||
wiphy_name(dev->wiphy), type);
|
||||
break;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(p54_rx);
|
||||
|
||||
/*
|
||||
* So, the firmware is somewhat stupid and doesn't know what places in its
|
||||
* memory incoming data should go to. By poking around in the firmware, we
|
||||
* can find some unused memory to upload our packets to. However, data that we
|
||||
* want the card to TX needs to stay intact until the card has told us that
|
||||
* it is done with it. This function finds empty places we can upload to and
|
||||
* marks allocated areas as reserved if necessary. p54_rx_frame_sent frees
|
||||
* allocated areas.
|
||||
*/
|
||||
static void p54_assign_address(struct ieee80211_hw *dev, struct sk_buff *skb,
|
||||
struct p54_control_hdr *data, u32 len,
|
||||
struct ieee80211_tx_control *control)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
struct sk_buff *entry = priv->tx_queue.next;
|
||||
struct sk_buff *target_skb = NULL;
|
||||
struct memrecord *range;
|
||||
u32 last_addr = priv->rx_start;
|
||||
u32 largest_hole = 0;
|
||||
u32 target_addr = priv->rx_start;
|
||||
unsigned long flags;
|
||||
unsigned int left;
|
||||
len = (len + 0x170 + 3) & ~0x3; /* 0x70 headroom, 0x100 tailroom */
|
||||
|
||||
spin_lock_irqsave(&priv->tx_queue.lock, flags);
|
||||
left = skb_queue_len(&priv->tx_queue);
|
||||
while (left--) {
|
||||
u32 hole_size;
|
||||
range = (struct memrecord *)&entry->cb;
|
||||
hole_size = range->start_addr - last_addr;
|
||||
if (!target_skb && hole_size >= len) {
|
||||
target_skb = entry->prev;
|
||||
hole_size -= len;
|
||||
target_addr = last_addr;
|
||||
}
|
||||
largest_hole = max(largest_hole, hole_size);
|
||||
last_addr = range->end_addr;
|
||||
entry = entry->next;
|
||||
}
|
||||
if (!target_skb && priv->rx_end - last_addr >= len) {
|
||||
target_skb = priv->tx_queue.prev;
|
||||
largest_hole = max(largest_hole, priv->rx_end - last_addr - len);
|
||||
if (!skb_queue_empty(&priv->tx_queue)) {
|
||||
range = (struct memrecord *)&target_skb->cb;
|
||||
target_addr = range->end_addr;
|
||||
}
|
||||
} else
|
||||
largest_hole = max(largest_hole, priv->rx_end - last_addr);
|
||||
|
||||
if (skb) {
|
||||
range = (struct memrecord *)&skb->cb;
|
||||
range->start_addr = target_addr;
|
||||
range->end_addr = target_addr + len;
|
||||
range->control = control;
|
||||
__skb_queue_after(&priv->tx_queue, target_skb, skb);
|
||||
if (largest_hole < IEEE80211_MAX_RTS_THRESHOLD + 0x170 +
|
||||
sizeof(struct p54_control_hdr))
|
||||
ieee80211_stop_queues(dev);
|
||||
}
|
||||
spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
|
||||
|
||||
data->req_id = cpu_to_le32(target_addr + 0x70);
|
||||
}
|
||||
|
||||
static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb,
|
||||
struct ieee80211_tx_control *control)
|
||||
{
|
||||
struct ieee80211_tx_queue_stats_data *current_queue;
|
||||
struct p54_common *priv = dev->priv;
|
||||
struct p54_control_hdr *hdr;
|
||||
struct p54_tx_control_allocdata *txhdr;
|
||||
struct ieee80211_tx_control *control_copy;
|
||||
size_t padding, len;
|
||||
u8 rate;
|
||||
|
||||
current_queue = &priv->tx_stats.data[control->queue];
|
||||
if (unlikely(current_queue->len > current_queue->limit))
|
||||
return NETDEV_TX_BUSY;
|
||||
current_queue->len++;
|
||||
current_queue->count++;
|
||||
if (current_queue->len == current_queue->limit)
|
||||
ieee80211_stop_queue(dev, control->queue);
|
||||
|
||||
padding = (unsigned long)(skb->data - (sizeof(*hdr) + sizeof(*txhdr))) & 3;
|
||||
len = skb->len;
|
||||
|
||||
control_copy = kmalloc(sizeof(*control), GFP_ATOMIC);
|
||||
if (control_copy)
|
||||
memcpy(control_copy, control, sizeof(*control));
|
||||
|
||||
txhdr = (struct p54_tx_control_allocdata *)
|
||||
skb_push(skb, sizeof(*txhdr) + padding);
|
||||
hdr = (struct p54_control_hdr *) skb_push(skb, sizeof(*hdr));
|
||||
|
||||
if (padding)
|
||||
hdr->magic1 = cpu_to_le16(0x4010);
|
||||
else
|
||||
hdr->magic1 = cpu_to_le16(0x0010);
|
||||
hdr->len = cpu_to_le16(len);
|
||||
hdr->type = (control->flags & IEEE80211_TXCTL_NO_ACK) ? 0 : cpu_to_le16(1);
|
||||
hdr->retry1 = hdr->retry2 = control->retry_limit;
|
||||
p54_assign_address(dev, skb, hdr, skb->len, control_copy);
|
||||
|
||||
memset(txhdr->wep_key, 0x0, 16);
|
||||
txhdr->padding = 0;
|
||||
txhdr->padding2 = 0;
|
||||
|
||||
/* TODO: add support for alternate retry TX rates */
|
||||
rate = control->tx_rate;
|
||||
if (control->flags & IEEE80211_TXCTL_USE_RTS_CTS)
|
||||
rate |= 0x40;
|
||||
else if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT)
|
||||
rate |= 0x20;
|
||||
memset(txhdr->rateset, rate, 8);
|
||||
txhdr->wep_key_present = 0;
|
||||
txhdr->wep_key_len = 0;
|
||||
txhdr->frame_type = cpu_to_le32(control->queue + 4);
|
||||
txhdr->magic4 = 0;
|
||||
txhdr->antenna = (control->antenna_sel_tx == 0) ?
|
||||
2 : control->antenna_sel_tx - 1;
|
||||
txhdr->output_power = 0x7f; // HW Maximum
|
||||
txhdr->magic5 = (control->flags & IEEE80211_TXCTL_NO_ACK) ?
|
||||
0 : ((rate > 0x3) ? cpu_to_le32(0x33) : cpu_to_le32(0x23));
|
||||
if (padding)
|
||||
txhdr->align[0] = padding;
|
||||
|
||||
priv->tx(dev, hdr, skb->len, 0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int p54_set_filter(struct ieee80211_hw *dev, u16 filter_type,
|
||||
const u8 *dst, const u8 *src, u8 antenna,
|
||||
u32 magic3, u32 magic8, u32 magic9)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
struct p54_control_hdr *hdr;
|
||||
struct p54_tx_control_filter *filter;
|
||||
|
||||
hdr = kzalloc(sizeof(*hdr) + sizeof(*filter) +
|
||||
priv->tx_hdr_len, GFP_KERNEL);
|
||||
if (!hdr)
|
||||
return -ENOMEM;
|
||||
|
||||
hdr = (void *)hdr + priv->tx_hdr_len;
|
||||
|
||||
filter = (struct p54_tx_control_filter *) hdr->data;
|
||||
hdr->magic1 = cpu_to_le16(0x8001);
|
||||
hdr->len = cpu_to_le16(sizeof(*filter));
|
||||
p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*filter), NULL);
|
||||
hdr->type = cpu_to_le16(P54_CONTROL_TYPE_FILTER_SET);
|
||||
|
||||
filter->filter_type = cpu_to_le16(filter_type);
|
||||
memcpy(filter->dst, dst, ETH_ALEN);
|
||||
if (!src)
|
||||
memset(filter->src, ~0, ETH_ALEN);
|
||||
else
|
||||
memcpy(filter->src, src, ETH_ALEN);
|
||||
filter->antenna = antenna;
|
||||
filter->magic3 = cpu_to_le32(magic3);
|
||||
filter->rx_addr = cpu_to_le32(priv->rx_end);
|
||||
filter->max_rx = cpu_to_le16(0x0620); /* FIXME: for usb ver 1.. maybe */
|
||||
filter->rxhw = priv->rxhw;
|
||||
filter->magic8 = cpu_to_le16(magic8);
|
||||
filter->magic9 = cpu_to_le16(magic9);
|
||||
|
||||
priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*filter), 1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int p54_set_freq(struct ieee80211_hw *dev, __le16 freq)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
struct p54_control_hdr *hdr;
|
||||
struct p54_tx_control_channel *chan;
|
||||
unsigned int i;
|
||||
size_t payload_len = sizeof(*chan) + sizeof(u32)*2 +
|
||||
sizeof(*chan->curve_data) *
|
||||
priv->curve_data->points_per_channel;
|
||||
void *entry;
|
||||
|
||||
hdr = kzalloc(sizeof(*hdr) + payload_len +
|
||||
priv->tx_hdr_len, GFP_KERNEL);
|
||||
if (!hdr)
|
||||
return -ENOMEM;
|
||||
|
||||
hdr = (void *)hdr + priv->tx_hdr_len;
|
||||
|
||||
chan = (struct p54_tx_control_channel *) hdr->data;
|
||||
|
||||
hdr->magic1 = cpu_to_le16(0x8001);
|
||||
hdr->len = cpu_to_le16(sizeof(*chan));
|
||||
hdr->type = cpu_to_le16(P54_CONTROL_TYPE_CHANNEL_CHANGE);
|
||||
p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + payload_len, NULL);
|
||||
|
||||
chan->magic1 = cpu_to_le16(0x1);
|
||||
chan->magic2 = cpu_to_le16(0x0);
|
||||
|
||||
for (i = 0; i < priv->iq_autocal_len; i++) {
|
||||
if (priv->iq_autocal[i].freq != freq)
|
||||
continue;
|
||||
|
||||
memcpy(&chan->iq_autocal, &priv->iq_autocal[i],
|
||||
sizeof(*priv->iq_autocal));
|
||||
break;
|
||||
}
|
||||
if (i == priv->iq_autocal_len)
|
||||
goto err;
|
||||
|
||||
for (i = 0; i < priv->output_limit_len; i++) {
|
||||
if (priv->output_limit[i].freq != freq)
|
||||
continue;
|
||||
|
||||
chan->val_barker = 0x38;
|
||||
chan->val_bpsk = priv->output_limit[i].val_bpsk;
|
||||
chan->val_qpsk = priv->output_limit[i].val_qpsk;
|
||||
chan->val_16qam = priv->output_limit[i].val_16qam;
|
||||
chan->val_64qam = priv->output_limit[i].val_64qam;
|
||||
break;
|
||||
}
|
||||
if (i == priv->output_limit_len)
|
||||
goto err;
|
||||
|
||||
chan->pa_points_per_curve = priv->curve_data->points_per_channel;
|
||||
|
||||
entry = priv->curve_data->data;
|
||||
for (i = 0; i < priv->curve_data->channels; i++) {
|
||||
if (*((__le16 *)entry) != freq) {
|
||||
entry += sizeof(__le16);
|
||||
entry += sizeof(struct pda_pa_curve_data_sample_rev1) *
|
||||
chan->pa_points_per_curve;
|
||||
continue;
|
||||
}
|
||||
|
||||
entry += sizeof(__le16);
|
||||
memcpy(chan->curve_data, entry, sizeof(*chan->curve_data) *
|
||||
chan->pa_points_per_curve);
|
||||
break;
|
||||
}
|
||||
|
||||
memcpy(hdr->data + payload_len - 4, &chan->val_bpsk, 4);
|
||||
|
||||
priv->tx(dev, hdr, sizeof(*hdr) + payload_len, 1);
|
||||
return 0;
|
||||
|
||||
err:
|
||||
printk(KERN_ERR "%s: frequency change failed\n", wiphy_name(dev->wiphy));
|
||||
kfree(hdr);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int p54_set_leds(struct ieee80211_hw *dev, int mode, int link, int act)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
struct p54_control_hdr *hdr;
|
||||
struct p54_tx_control_led *led;
|
||||
|
||||
hdr = kzalloc(sizeof(*hdr) + sizeof(*led) +
|
||||
priv->tx_hdr_len, GFP_KERNEL);
|
||||
if (!hdr)
|
||||
return -ENOMEM;
|
||||
|
||||
hdr = (void *)hdr + priv->tx_hdr_len;
|
||||
hdr->magic1 = cpu_to_le16(0x8001);
|
||||
hdr->len = cpu_to_le16(sizeof(*led));
|
||||
hdr->type = cpu_to_le16(P54_CONTROL_TYPE_LED);
|
||||
p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*led), NULL);
|
||||
|
||||
led = (struct p54_tx_control_led *) hdr->data;
|
||||
led->mode = cpu_to_le16(mode);
|
||||
led->led_permanent = cpu_to_le16(link);
|
||||
led->led_temporary = cpu_to_le16(act);
|
||||
led->duration = cpu_to_le16(1000);
|
||||
|
||||
priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*led), 1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define P54_SET_QUEUE(queue, ai_fs, cw_min, cw_max, burst) \
|
||||
do { \
|
||||
queue.aifs = cpu_to_le16(ai_fs); \
|
||||
queue.cwmin = cpu_to_le16(cw_min); \
|
||||
queue.cwmax = cpu_to_le16(cw_max); \
|
||||
queue.txop = (burst == 0) ? \
|
||||
0 : cpu_to_le16((burst * 100) / 32 + 1); \
|
||||
} while(0)
|
||||
|
||||
static void p54_init_vdcf(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
struct p54_control_hdr *hdr;
|
||||
struct p54_tx_control_vdcf *vdcf;
|
||||
|
||||
/* all USB V1 adapters need a extra headroom */
|
||||
hdr = (void *)priv->cached_vdcf + priv->tx_hdr_len;
|
||||
hdr->magic1 = cpu_to_le16(0x8001);
|
||||
hdr->len = cpu_to_le16(sizeof(*vdcf));
|
||||
hdr->type = cpu_to_le16(P54_CONTROL_TYPE_DCFINIT);
|
||||
hdr->req_id = cpu_to_le32(priv->rx_start);
|
||||
|
||||
vdcf = (struct p54_tx_control_vdcf *) hdr->data;
|
||||
|
||||
P54_SET_QUEUE(vdcf->queue[0], 0x0002, 0x0003, 0x0007, 0x000f);
|
||||
P54_SET_QUEUE(vdcf->queue[1], 0x0002, 0x0007, 0x000f, 0x001e);
|
||||
P54_SET_QUEUE(vdcf->queue[2], 0x0002, 0x000f, 0x03ff, 0x0014);
|
||||
P54_SET_QUEUE(vdcf->queue[3], 0x0007, 0x000f, 0x03ff, 0x0000);
|
||||
}
|
||||
|
||||
static void p54_set_vdcf(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
struct p54_control_hdr *hdr;
|
||||
struct p54_tx_control_vdcf *vdcf;
|
||||
|
||||
hdr = (void *)priv->cached_vdcf + priv->tx_hdr_len;
|
||||
|
||||
p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*vdcf), NULL);
|
||||
|
||||
vdcf = (struct p54_tx_control_vdcf *) hdr->data;
|
||||
|
||||
if (dev->conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME) {
|
||||
vdcf->slottime = 9;
|
||||
vdcf->magic1 = 0x00;
|
||||
vdcf->magic2 = 0x10;
|
||||
} else {
|
||||
vdcf->slottime = 20;
|
||||
vdcf->magic1 = 0x0a;
|
||||
vdcf->magic2 = 0x06;
|
||||
}
|
||||
|
||||
/* (see prism54/isl_oid.h for further details) */
|
||||
vdcf->frameburst = cpu_to_le16(0);
|
||||
|
||||
priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*vdcf), 0);
|
||||
}
|
||||
|
||||
static int p54_add_interface(struct ieee80211_hw *dev,
|
||||
struct ieee80211_if_init_conf *conf)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
int err;
|
||||
|
||||
/* NOTE: using IEEE80211_IF_TYPE_MGMT to indicate no mode selected */
|
||||
if (priv->mode != IEEE80211_IF_TYPE_MGMT)
|
||||
return -1;
|
||||
|
||||
switch (conf->type) {
|
||||
case IEEE80211_IF_TYPE_STA:
|
||||
priv->mode = conf->type;
|
||||
break;
|
||||
default:
|
||||
return -EOPNOTSUPP;
|
||||
}
|
||||
|
||||
priv->mac_addr = conf->mac_addr;
|
||||
|
||||
err = priv->open(dev);
|
||||
if (err) {
|
||||
priv->mode = IEEE80211_IF_TYPE_MGMT;
|
||||
skb_queue_purge(&priv->tx_queue);
|
||||
return err;
|
||||
}
|
||||
|
||||
p54_set_filter(dev, 0, priv->mac_addr, NULL, 0, 1, 0, 0xF642);
|
||||
p54_set_filter(dev, 0, priv->mac_addr, NULL, 1, 0, 0, 0xF642);
|
||||
p54_set_vdcf(dev);
|
||||
|
||||
switch (conf->type) {
|
||||
case IEEE80211_IF_TYPE_STA:
|
||||
p54_set_filter(dev, 1, priv->mac_addr, NULL, 0, 0x15F, 0x1F4, 0);
|
||||
break;
|
||||
}
|
||||
|
||||
p54_set_leds(dev, 1, 0, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void p54_remove_interface(struct ieee80211_hw *dev,
|
||||
struct ieee80211_if_init_conf *conf)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
struct sk_buff *skb;
|
||||
while ((skb = skb_dequeue(&priv->tx_queue))) {
|
||||
struct memrecord *range = (struct memrecord *)&skb->cb;
|
||||
if (range->control)
|
||||
kfree(range->control);
|
||||
kfree_skb(skb);
|
||||
}
|
||||
priv->mode = IEEE80211_IF_TYPE_MGMT;
|
||||
priv->stop(dev);
|
||||
}
|
||||
|
||||
static int p54_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = p54_set_freq(dev, cpu_to_le16(conf->freq));
|
||||
p54_set_vdcf(dev);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int p54_config_interface(struct ieee80211_hw *dev, int if_id,
|
||||
struct ieee80211_if_conf *conf)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
|
||||
p54_set_filter(dev, 0, priv->mac_addr, conf->bssid, 0, 1, 0, 0xF642);
|
||||
p54_set_filter(dev, 0, priv->mac_addr, conf->bssid, 2, 0, 0, 0);
|
||||
p54_set_leds(dev, 1, !is_multicast_ether_addr(conf->bssid), 0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int p54_conf_tx(struct ieee80211_hw *dev, int queue,
|
||||
const struct ieee80211_tx_queue_params *params)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
struct p54_tx_control_vdcf *vdcf;
|
||||
|
||||
vdcf = (struct p54_tx_control_vdcf *)(((struct p54_control_hdr *)
|
||||
((void *)priv->cached_vdcf + priv->tx_hdr_len))->data);
|
||||
|
||||
if ((params) && !((queue < 0) || (queue > 4))) {
|
||||
P54_SET_QUEUE(vdcf->queue[queue], params->aifs,
|
||||
params->cw_min, params->cw_max, params->burst_time);
|
||||
} else
|
||||
return -EINVAL;
|
||||
|
||||
p54_set_vdcf(dev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int p54_get_stats(struct ieee80211_hw *dev,
|
||||
struct ieee80211_low_level_stats *stats)
|
||||
{
|
||||
/* TODO */
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int p54_get_tx_stats(struct ieee80211_hw *dev,
|
||||
struct ieee80211_tx_queue_stats *stats)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
unsigned int i;
|
||||
|
||||
for (i = 0; i < dev->queues; i++)
|
||||
memcpy(&stats->data[i], &priv->tx_stats.data[i],
|
||||
sizeof(stats->data[i]));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct ieee80211_ops p54_ops = {
|
||||
.tx = p54_tx,
|
||||
.add_interface = p54_add_interface,
|
||||
.remove_interface = p54_remove_interface,
|
||||
.config = p54_config,
|
||||
.config_interface = p54_config_interface,
|
||||
.conf_tx = p54_conf_tx,
|
||||
.get_stats = p54_get_stats,
|
||||
.get_tx_stats = p54_get_tx_stats
|
||||
};
|
||||
|
||||
struct ieee80211_hw *p54_init_common(size_t priv_data_len)
|
||||
{
|
||||
struct ieee80211_hw *dev;
|
||||
struct p54_common *priv;
|
||||
int i;
|
||||
|
||||
dev = ieee80211_alloc_hw(priv_data_len, &p54_ops);
|
||||
if (!dev)
|
||||
return NULL;
|
||||
|
||||
priv = dev->priv;
|
||||
priv->mode = IEEE80211_IF_TYPE_MGMT;
|
||||
skb_queue_head_init(&priv->tx_queue);
|
||||
memcpy(priv->channels, p54_channels, sizeof(p54_channels));
|
||||
memcpy(priv->rates, p54_rates, sizeof(p54_rates));
|
||||
priv->modes[1].mode = MODE_IEEE80211B;
|
||||
priv->modes[1].num_rates = 4;
|
||||
priv->modes[1].rates = priv->rates;
|
||||
priv->modes[1].num_channels = ARRAY_SIZE(p54_channels);
|
||||
priv->modes[1].channels = priv->channels;
|
||||
priv->modes[0].mode = MODE_IEEE80211G;
|
||||
priv->modes[0].num_rates = ARRAY_SIZE(p54_rates);
|
||||
priv->modes[0].rates = priv->rates;
|
||||
priv->modes[0].num_channels = ARRAY_SIZE(p54_channels);
|
||||
priv->modes[0].channels = priv->channels;
|
||||
dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | /* not sure */
|
||||
IEEE80211_HW_RX_INCLUDES_FCS;
|
||||
dev->channel_change_time = 1000; /* TODO: find actual value */
|
||||
dev->max_rssi = 127;
|
||||
|
||||
priv->tx_stats.data[0].limit = 5;
|
||||
dev->queues = 1;
|
||||
|
||||
dev->extra_tx_headroom = sizeof(struct p54_control_hdr) + 4 +
|
||||
sizeof(struct p54_tx_control_allocdata);
|
||||
|
||||
priv->cached_vdcf = kzalloc(sizeof(struct p54_tx_control_vdcf) +
|
||||
priv->tx_hdr_len + sizeof(struct p54_control_hdr), GFP_KERNEL);
|
||||
|
||||
if (!priv->cached_vdcf) {
|
||||
ieee80211_free_hw(dev);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
p54_init_vdcf(dev);
|
||||
|
||||
for (i = 0; i < 2; i++) {
|
||||
if (ieee80211_register_hwmode(dev, &priv->modes[i])) {
|
||||
kfree(priv->cached_vdcf);
|
||||
ieee80211_free_hw(dev);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
return dev;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(p54_init_common);
|
||||
|
||||
void p54_free_common(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54_common *priv = dev->priv;
|
||||
kfree(priv->iq_autocal);
|
||||
kfree(priv->output_limit);
|
||||
kfree(priv->curve_data);
|
||||
kfree(priv->cached_vdcf);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(p54_free_common);
|
||||
|
||||
static int __init p54_init(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void __exit p54_exit(void)
|
||||
{
|
||||
}
|
||||
|
||||
module_init(p54_init);
|
||||
module_exit(p54_exit);
|
||||
|
|
@ -0,0 +1,329 @@
|
|||
#ifndef PRISM54COMMON_H
|
||||
#define PRISM54COMMON_H
|
||||
|
||||
/*
|
||||
* Common code specific definitions for mac80211 Prism54 drivers
|
||||
*
|
||||
* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
|
||||
* Copyright (c) 2007, Christian Lamparter <chunkeey@web.de>
|
||||
*
|
||||
* Based on the islsm (softmac prism54) driver, which is:
|
||||
* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
struct bootrec {
|
||||
__le32 code;
|
||||
__le32 len;
|
||||
u32 data[0];
|
||||
} __attribute__((packed));
|
||||
|
||||
struct bootrec_exp_if {
|
||||
__le16 role;
|
||||
__le16 if_id;
|
||||
__le16 variant;
|
||||
__le16 btm_compat;
|
||||
__le16 top_compat;
|
||||
} __attribute__((packed));
|
||||
|
||||
#define BR_CODE_MIN 0x80000000
|
||||
#define BR_CODE_COMPONENT_ID 0x80000001
|
||||
#define BR_CODE_COMPONENT_VERSION 0x80000002
|
||||
#define BR_CODE_DEPENDENT_IF 0x80000003
|
||||
#define BR_CODE_EXPOSED_IF 0x80000004
|
||||
#define BR_CODE_DESCR 0x80000101
|
||||
#define BR_CODE_MAX 0x8FFFFFFF
|
||||
#define BR_CODE_END_OF_BRA 0xFF0000FF
|
||||
#define LEGACY_BR_CODE_END_OF_BRA 0xFFFFFFFF
|
||||
|
||||
#define FW_FMAC 0x464d4143
|
||||
#define FW_LM86 0x4c4d3836
|
||||
#define FW_LM87 0x4c4d3837
|
||||
#define FW_LM20 0x4c4d3230
|
||||
|
||||
/* PDA defines are Copyright (C) 2005 Nokia Corporation (taken from islsm_pda.h) */
|
||||
|
||||
struct pda_entry {
|
||||
__le16 len; /* includes both code and data */
|
||||
__le16 code;
|
||||
u8 data[0];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct eeprom_pda_wrap {
|
||||
u32 magic;
|
||||
u16 pad;
|
||||
u16 len;
|
||||
u32 arm_opcode;
|
||||
u8 data[0];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct pda_iq_autocal_entry {
|
||||
__le16 freq;
|
||||
__le16 iq_param[4];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct pda_channel_output_limit {
|
||||
__le16 freq;
|
||||
u8 val_bpsk;
|
||||
u8 val_qpsk;
|
||||
u8 val_16qam;
|
||||
u8 val_64qam;
|
||||
u8 rate_set_mask;
|
||||
u8 rate_set_size;
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct pda_pa_curve_data_sample_rev0 {
|
||||
u8 rf_power;
|
||||
u8 pa_detector;
|
||||
u8 pcv;
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct pda_pa_curve_data_sample_rev1 {
|
||||
u8 rf_power;
|
||||
u8 pa_detector;
|
||||
u8 data_barker;
|
||||
u8 data_bpsk;
|
||||
u8 data_qpsk;
|
||||
u8 data_16qam;
|
||||
u8 data_64qam;
|
||||
u8 padding;
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct pda_pa_curve_data {
|
||||
u8 cal_method_rev;
|
||||
u8 channels;
|
||||
u8 points_per_channel;
|
||||
u8 padding;
|
||||
u8 data[0];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
/*
|
||||
* this defines the PDR codes used to build PDAs as defined in document
|
||||
* number 553155. The current implementation mirrors version 1.1 of the
|
||||
* document and lists only PDRs supported by the ARM platform.
|
||||
*/
|
||||
|
||||
/* common and choice range (0x0000 - 0x0fff) */
|
||||
#define PDR_END 0x0000
|
||||
#define PDR_MANUFACTURING_PART_NUMBER 0x0001
|
||||
#define PDR_PDA_VERSION 0x0002
|
||||
#define PDR_NIC_SERIAL_NUMBER 0x0003
|
||||
|
||||
#define PDR_MAC_ADDRESS 0x0101
|
||||
#define PDR_REGULATORY_DOMAIN_LIST 0x0103
|
||||
#define PDR_TEMPERATURE_TYPE 0x0107
|
||||
|
||||
#define PDR_PRISM_PCI_IDENTIFIER 0x0402
|
||||
|
||||
/* ARM range (0x1000 - 0x1fff) */
|
||||
#define PDR_COUNTRY_INFORMATION 0x1000
|
||||
#define PDR_INTERFACE_LIST 0x1001
|
||||
#define PDR_HARDWARE_PLATFORM_COMPONENT_ID 0x1002
|
||||
#define PDR_OEM_NAME 0x1003
|
||||
#define PDR_PRODUCT_NAME 0x1004
|
||||
#define PDR_UTF8_OEM_NAME 0x1005
|
||||
#define PDR_UTF8_PRODUCT_NAME 0x1006
|
||||
#define PDR_COUNTRY_LIST 0x1007
|
||||
#define PDR_DEFAULT_COUNTRY 0x1008
|
||||
|
||||
#define PDR_ANTENNA_GAIN 0x1100
|
||||
|
||||
#define PDR_PRISM_INDIGO_PA_CALIBRATION_DATA 0x1901
|
||||
#define PDR_RSSI_LINEAR_APPROXIMATION 0x1902
|
||||
#define PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS 0x1903
|
||||
#define PDR_PRISM_PA_CAL_CURVE_DATA 0x1904
|
||||
#define PDR_RSSI_LINEAR_APPROXIMATION_DUAL_BAND 0x1905
|
||||
#define PDR_PRISM_ZIF_TX_IQ_CALIBRATION 0x1906
|
||||
#define PDR_REGULATORY_POWER_LIMITS 0x1907
|
||||
#define PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED 0x1908
|
||||
#define PDR_RADIATED_TRANSMISSION_CORRECTION 0x1909
|
||||
#define PDR_PRISM_TX_IQ_CALIBRATION 0x190a
|
||||
|
||||
/* reserved range (0x2000 - 0x7fff) */
|
||||
|
||||
/* customer range (0x8000 - 0xffff) */
|
||||
#define PDR_BASEBAND_REGISTERS 0x8000
|
||||
#define PDR_PER_CHANNEL_BASEBAND_REGISTERS 0x8001
|
||||
|
||||
/* stored in skb->cb */
|
||||
struct memrecord {
|
||||
u32 start_addr;
|
||||
u32 end_addr;
|
||||
struct ieee80211_tx_control *control;
|
||||
};
|
||||
|
||||
struct p54_eeprom_lm86 {
|
||||
__le16 offset;
|
||||
__le16 len;
|
||||
u8 data[0];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct p54_rx_hdr {
|
||||
__le16 magic;
|
||||
__le16 len;
|
||||
__le16 freq;
|
||||
u8 antenna;
|
||||
u8 rate;
|
||||
u8 rssi;
|
||||
u8 quality;
|
||||
u16 unknown2;
|
||||
__le64 timestamp;
|
||||
u8 data[0];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct p54_frame_sent_hdr {
|
||||
u8 status;
|
||||
u8 retries;
|
||||
__le16 ack_rssi;
|
||||
__le16 seq;
|
||||
u16 rate;
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct p54_tx_control_allocdata {
|
||||
u8 rateset[8];
|
||||
u16 padding;
|
||||
u8 wep_key_present;
|
||||
u8 wep_key_len;
|
||||
u8 wep_key[16];
|
||||
__le32 frame_type;
|
||||
u32 padding2;
|
||||
__le16 magic4;
|
||||
u8 antenna;
|
||||
u8 output_power;
|
||||
__le32 magic5;
|
||||
u8 align[0];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct p54_tx_control_filter {
|
||||
__le16 filter_type;
|
||||
u8 dst[ETH_ALEN];
|
||||
u8 src[ETH_ALEN];
|
||||
u8 antenna;
|
||||
u8 debug;
|
||||
__le32 magic3;
|
||||
u8 rates[8]; // FIXME: what's this for?
|
||||
__le32 rx_addr;
|
||||
__le16 max_rx;
|
||||
__le16 rxhw;
|
||||
__le16 magic8;
|
||||
__le16 magic9;
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct p54_tx_control_channel {
|
||||
__le16 magic1;
|
||||
__le16 magic2;
|
||||
u8 padding1[20];
|
||||
struct pda_iq_autocal_entry iq_autocal;
|
||||
u8 pa_points_per_curve;
|
||||
u8 val_barker;
|
||||
u8 val_bpsk;
|
||||
u8 val_qpsk;
|
||||
u8 val_16qam;
|
||||
u8 val_64qam;
|
||||
struct pda_pa_curve_data_sample_rev1 curve_data[0];
|
||||
/* additional padding/data after curve_data */
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct p54_tx_control_led {
|
||||
__le16 mode;
|
||||
__le16 led_temporary;
|
||||
__le16 led_permanent;
|
||||
__le16 duration;
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct p54_tx_vdcf_queues {
|
||||
__le16 aifs;
|
||||
__le16 cwmin;
|
||||
__le16 cwmax;
|
||||
__le16 txop;
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct p54_tx_control_vdcf {
|
||||
u8 padding;
|
||||
u8 slottime;
|
||||
u8 magic1;
|
||||
u8 magic2;
|
||||
struct p54_tx_vdcf_queues queue[8];
|
||||
u8 pad2[4];
|
||||
__le16 frameburst;
|
||||
} __attribute__ ((packed));
|
||||
|
||||
static const struct ieee80211_rate p54_rates[] = {
|
||||
{ .rate = 10,
|
||||
.val = 0,
|
||||
.val2 = 0x10,
|
||||
.flags = IEEE80211_RATE_CCK_2 },
|
||||
{ .rate = 20,
|
||||
.val = 1,
|
||||
.val2 = 0x11,
|
||||
.flags = IEEE80211_RATE_CCK_2 },
|
||||
{ .rate = 55,
|
||||
.val = 2,
|
||||
.val2 = 0x12,
|
||||
.flags = IEEE80211_RATE_CCK_2 },
|
||||
{ .rate = 110,
|
||||
.val = 3,
|
||||
.val2 = 0x13,
|
||||
.flags = IEEE80211_RATE_CCK_2 },
|
||||
{ .rate = 60,
|
||||
.val = 4,
|
||||
.flags = IEEE80211_RATE_OFDM },
|
||||
{ .rate = 90,
|
||||
.val = 5,
|
||||
.flags = IEEE80211_RATE_OFDM },
|
||||
{ .rate = 120,
|
||||
.val = 6,
|
||||
.flags = IEEE80211_RATE_OFDM },
|
||||
{ .rate = 180,
|
||||
.val = 7,
|
||||
.flags = IEEE80211_RATE_OFDM },
|
||||
{ .rate = 240,
|
||||
.val = 8,
|
||||
.flags = IEEE80211_RATE_OFDM },
|
||||
{ .rate = 360,
|
||||
.val = 9,
|
||||
.flags = IEEE80211_RATE_OFDM },
|
||||
{ .rate = 480,
|
||||
.val = 10,
|
||||
.flags = IEEE80211_RATE_OFDM },
|
||||
{ .rate = 540,
|
||||
.val = 11,
|
||||
.flags = IEEE80211_RATE_OFDM },
|
||||
};
|
||||
|
||||
// TODO: just generate this..
|
||||
static const struct ieee80211_channel p54_channels[] = {
|
||||
{ .chan = 1,
|
||||
.freq = 2412},
|
||||
{ .chan = 2,
|
||||
.freq = 2417},
|
||||
{ .chan = 3,
|
||||
.freq = 2422},
|
||||
{ .chan = 4,
|
||||
.freq = 2427},
|
||||
{ .chan = 5,
|
||||
.freq = 2432},
|
||||
{ .chan = 6,
|
||||
.freq = 2437},
|
||||
{ .chan = 7,
|
||||
.freq = 2442},
|
||||
{ .chan = 8,
|
||||
.freq = 2447},
|
||||
{ .chan = 9,
|
||||
.freq = 2452},
|
||||
{ .chan = 10,
|
||||
.freq = 2457},
|
||||
{ .chan = 11,
|
||||
.freq = 2462},
|
||||
{ .chan = 12,
|
||||
.freq = 2467},
|
||||
{ .chan = 13,
|
||||
.freq = 2472},
|
||||
{ .chan = 14,
|
||||
.freq = 2484}
|
||||
};
|
||||
|
||||
#endif /* PRISM54COMMON_H */
|
||||
|
|
@ -0,0 +1,691 @@
|
|||
|
||||
/*
|
||||
* Linux device driver for PCI based Prism54
|
||||
*
|
||||
* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
|
||||
*
|
||||
* Based on the islsm (softmac prism54) driver, which is:
|
||||
* Copyright 2004-2006 Jean-Baptiste Note <jean-baptiste.note@m4x.org>, et al.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/firmware.h>
|
||||
#include <linux/etherdevice.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/completion.h>
|
||||
#include <net/mac80211.h>
|
||||
|
||||
#include "p54.h"
|
||||
#include "p54pci.h"
|
||||
|
||||
MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
|
||||
MODULE_DESCRIPTION("Prism54 PCI wireless driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS("prism54pci");
|
||||
|
||||
static struct pci_device_id p54p_table[] __devinitdata = {
|
||||
/* Intersil PRISM Duette/Prism GT Wireless LAN adapter */
|
||||
{ PCI_DEVICE(0x1260, 0x3890) },
|
||||
/* 3COM 3CRWE154G72 Wireless LAN adapter */
|
||||
{ PCI_DEVICE(0x10b7, 0x6001) },
|
||||
/* Intersil PRISM Indigo Wireless LAN adapter */
|
||||
{ PCI_DEVICE(0x1260, 0x3877) },
|
||||
/* Intersil PRISM Javelin/Xbow Wireless LAN adapter */
|
||||
{ PCI_DEVICE(0x1260, 0x3886) },
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(pci, p54p_table);
|
||||
|
||||
static int p54p_upload_firmware(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54p_priv *priv = dev->priv;
|
||||
const struct firmware *fw_entry = NULL;
|
||||
__le32 reg;
|
||||
int err;
|
||||
u32 *data;
|
||||
u32 remains, left, device_addr;
|
||||
|
||||
P54P_WRITE(int_enable, 0);
|
||||
P54P_READ(int_enable);
|
||||
udelay(10);
|
||||
|
||||
reg = P54P_READ(ctrl_stat);
|
||||
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
|
||||
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RAMBOOT);
|
||||
P54P_WRITE(ctrl_stat, reg);
|
||||
P54P_READ(ctrl_stat);
|
||||
udelay(10);
|
||||
|
||||
reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET);
|
||||
P54P_WRITE(ctrl_stat, reg);
|
||||
wmb();
|
||||
udelay(10);
|
||||
|
||||
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
|
||||
P54P_WRITE(ctrl_stat, reg);
|
||||
wmb();
|
||||
|
||||
mdelay(50);
|
||||
|
||||
err = request_firmware(&fw_entry, "isl3886", &priv->pdev->dev);
|
||||
if (err) {
|
||||
printk(KERN_ERR "%s (prism54pci): cannot find firmware "
|
||||
"(isl3886)\n", pci_name(priv->pdev));
|
||||
return err;
|
||||
}
|
||||
|
||||
p54_parse_firmware(dev, fw_entry);
|
||||
|
||||
data = (u32 *) fw_entry->data;
|
||||
remains = fw_entry->size;
|
||||
device_addr = ISL38XX_DEV_FIRMWARE_ADDR;
|
||||
while (remains) {
|
||||
u32 i = 0;
|
||||
left = min((u32)0x1000, remains);
|
||||
P54P_WRITE(direct_mem_base, cpu_to_le32(device_addr));
|
||||
P54P_READ(int_enable);
|
||||
|
||||
device_addr += 0x1000;
|
||||
while (i < left) {
|
||||
P54P_WRITE(direct_mem_win[i], *data++);
|
||||
i += sizeof(u32);
|
||||
}
|
||||
|
||||
remains -= left;
|
||||
P54P_READ(int_enable);
|
||||
}
|
||||
|
||||
release_firmware(fw_entry);
|
||||
|
||||
reg = P54P_READ(ctrl_stat);
|
||||
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN);
|
||||
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
|
||||
reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RAMBOOT);
|
||||
P54P_WRITE(ctrl_stat, reg);
|
||||
P54P_READ(ctrl_stat);
|
||||
udelay(10);
|
||||
|
||||
reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET);
|
||||
P54P_WRITE(ctrl_stat, reg);
|
||||
wmb();
|
||||
udelay(10);
|
||||
|
||||
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
|
||||
P54P_WRITE(ctrl_stat, reg);
|
||||
wmb();
|
||||
udelay(10);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static irqreturn_t p54p_simple_interrupt(int irq, void *dev_id)
|
||||
{
|
||||
struct p54p_priv *priv = (struct p54p_priv *) dev_id;
|
||||
__le32 reg;
|
||||
|
||||
reg = P54P_READ(int_ident);
|
||||
P54P_WRITE(int_ack, reg);
|
||||
|
||||
if (reg & P54P_READ(int_enable))
|
||||
complete(&priv->boot_comp);
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static int p54p_read_eeprom(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54p_priv *priv = dev->priv;
|
||||
int err;
|
||||
struct p54_control_hdr *hdr;
|
||||
void *eeprom;
|
||||
dma_addr_t rx_mapping, tx_mapping;
|
||||
u16 alen;
|
||||
|
||||
init_completion(&priv->boot_comp);
|
||||
err = request_irq(priv->pdev->irq, &p54p_simple_interrupt,
|
||||
IRQF_SHARED, "prism54pci", priv);
|
||||
if (err) {
|
||||
printk(KERN_ERR "%s (prism54pci): failed to register IRQ handler\n",
|
||||
pci_name(priv->pdev));
|
||||
return err;
|
||||
}
|
||||
|
||||
eeprom = kmalloc(0x2010 + EEPROM_READBACK_LEN, GFP_KERNEL);
|
||||
if (!eeprom) {
|
||||
printk(KERN_ERR "%s (prism54pci): no memory for eeprom!\n",
|
||||
pci_name(priv->pdev));
|
||||
err = -ENOMEM;
|
||||
goto out;
|
||||
}
|
||||
|
||||
memset(priv->ring_control, 0, sizeof(*priv->ring_control));
|
||||
P54P_WRITE(ring_control_base, priv->ring_control_dma);
|
||||
P54P_READ(ring_control_base);
|
||||
udelay(10);
|
||||
|
||||
P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_INIT));
|
||||
P54P_READ(int_enable);
|
||||
udelay(10);
|
||||
|
||||
P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_RESET));
|
||||
|
||||
if (!wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ)) {
|
||||
printk(KERN_ERR "%s (prism54pci): Cannot boot firmware!\n",
|
||||
pci_name(priv->pdev));
|
||||
err = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_UPDATE));
|
||||
P54P_READ(int_enable);
|
||||
|
||||
hdr = eeprom + 0x2010;
|
||||
p54_fill_eeprom_readback(hdr);
|
||||
hdr->req_id = cpu_to_le32(priv->common.rx_start);
|
||||
|
||||
rx_mapping = pci_map_single(priv->pdev, eeprom,
|
||||
0x2010, PCI_DMA_FROMDEVICE);
|
||||
tx_mapping = pci_map_single(priv->pdev, (void *)hdr,
|
||||
EEPROM_READBACK_LEN, PCI_DMA_TODEVICE);
|
||||
|
||||
priv->ring_control->rx_mgmt[0].host_addr = cpu_to_le32(rx_mapping);
|
||||
priv->ring_control->rx_mgmt[0].len = cpu_to_le16(0x2010);
|
||||
priv->ring_control->tx_data[0].host_addr = cpu_to_le32(tx_mapping);
|
||||
priv->ring_control->tx_data[0].device_addr = hdr->req_id;
|
||||
priv->ring_control->tx_data[0].len = cpu_to_le16(EEPROM_READBACK_LEN);
|
||||
|
||||
priv->ring_control->host_idx[2] = cpu_to_le32(1);
|
||||
priv->ring_control->host_idx[1] = cpu_to_le32(1);
|
||||
|
||||
wmb();
|
||||
mdelay(100);
|
||||
P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE));
|
||||
|
||||
wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ);
|
||||
wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ);
|
||||
|
||||
pci_unmap_single(priv->pdev, tx_mapping,
|
||||
EEPROM_READBACK_LEN, PCI_DMA_TODEVICE);
|
||||
pci_unmap_single(priv->pdev, rx_mapping,
|
||||
0x2010, PCI_DMA_FROMDEVICE);
|
||||
|
||||
alen = le16_to_cpu(priv->ring_control->rx_mgmt[0].len);
|
||||
if (le32_to_cpu(priv->ring_control->device_idx[2]) != 1 ||
|
||||
alen < 0x10) {
|
||||
printk(KERN_ERR "%s (prism54pci): Cannot read eeprom!\n",
|
||||
pci_name(priv->pdev));
|
||||
err = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
p54_parse_eeprom(dev, (u8 *)eeprom + 0x10, alen - 0x10);
|
||||
|
||||
out:
|
||||
kfree(eeprom);
|
||||
P54P_WRITE(int_enable, 0);
|
||||
P54P_READ(int_enable);
|
||||
udelay(10);
|
||||
free_irq(priv->pdev->irq, priv);
|
||||
P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_RESET));
|
||||
return err;
|
||||
}
|
||||
|
||||
static void p54p_refill_rx_ring(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54p_priv *priv = dev->priv;
|
||||
u32 limit, host_idx, idx;
|
||||
|
||||
host_idx = le32_to_cpu(priv->ring_control->host_idx[0]);
|
||||
limit = host_idx;
|
||||
limit -= le32_to_cpu(priv->ring_control->device_idx[0]);
|
||||
limit = ARRAY_SIZE(priv->ring_control->rx_data) - limit;
|
||||
|
||||
idx = host_idx % ARRAY_SIZE(priv->ring_control->rx_data);
|
||||
while (limit-- > 1) {
|
||||
struct p54p_desc *desc = &priv->ring_control->rx_data[idx];
|
||||
|
||||
if (!desc->host_addr) {
|
||||
struct sk_buff *skb;
|
||||
dma_addr_t mapping;
|
||||
skb = dev_alloc_skb(MAX_RX_SIZE);
|
||||
if (!skb)
|
||||
break;
|
||||
|
||||
mapping = pci_map_single(priv->pdev,
|
||||
skb_tail_pointer(skb),
|
||||
MAX_RX_SIZE,
|
||||
PCI_DMA_FROMDEVICE);
|
||||
desc->host_addr = cpu_to_le32(mapping);
|
||||
desc->device_addr = 0; // FIXME: necessary?
|
||||
desc->len = cpu_to_le16(MAX_RX_SIZE);
|
||||
desc->flags = 0;
|
||||
priv->rx_buf[idx] = skb;
|
||||
}
|
||||
|
||||
idx++;
|
||||
host_idx++;
|
||||
idx %= ARRAY_SIZE(priv->ring_control->rx_data);
|
||||
}
|
||||
|
||||
wmb();
|
||||
priv->ring_control->host_idx[0] = cpu_to_le32(host_idx);
|
||||
}
|
||||
|
||||
static irqreturn_t p54p_interrupt(int irq, void *dev_id)
|
||||
{
|
||||
struct ieee80211_hw *dev = dev_id;
|
||||
struct p54p_priv *priv = dev->priv;
|
||||
__le32 reg;
|
||||
|
||||
spin_lock(&priv->lock);
|
||||
reg = P54P_READ(int_ident);
|
||||
if (unlikely(reg == 0xFFFFFFFF)) {
|
||||
spin_unlock(&priv->lock);
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
P54P_WRITE(int_ack, reg);
|
||||
|
||||
reg &= P54P_READ(int_enable);
|
||||
|
||||
if (reg & cpu_to_le32(ISL38XX_INT_IDENT_UPDATE)) {
|
||||
struct p54p_desc *desc;
|
||||
u32 idx, i;
|
||||
i = priv->tx_idx;
|
||||
i %= ARRAY_SIZE(priv->ring_control->tx_data);
|
||||
priv->tx_idx = idx = le32_to_cpu(priv->ring_control->device_idx[1]);
|
||||
idx %= ARRAY_SIZE(priv->ring_control->tx_data);
|
||||
|
||||
while (i != idx) {
|
||||
desc = &priv->ring_control->tx_data[i];
|
||||
if (priv->tx_buf[i]) {
|
||||
kfree(priv->tx_buf[i]);
|
||||
priv->tx_buf[i] = NULL;
|
||||
}
|
||||
|
||||
pci_unmap_single(priv->pdev, le32_to_cpu(desc->host_addr),
|
||||
le16_to_cpu(desc->len), PCI_DMA_TODEVICE);
|
||||
|
||||
desc->host_addr = 0;
|
||||
desc->device_addr = 0;
|
||||
desc->len = 0;
|
||||
desc->flags = 0;
|
||||
|
||||
i++;
|
||||
i %= ARRAY_SIZE(priv->ring_control->tx_data);
|
||||
}
|
||||
|
||||
i = priv->rx_idx;
|
||||
i %= ARRAY_SIZE(priv->ring_control->rx_data);
|
||||
priv->rx_idx = idx = le32_to_cpu(priv->ring_control->device_idx[0]);
|
||||
idx %= ARRAY_SIZE(priv->ring_control->rx_data);
|
||||
while (i != idx) {
|
||||
u16 len;
|
||||
struct sk_buff *skb;
|
||||
desc = &priv->ring_control->rx_data[i];
|
||||
len = le16_to_cpu(desc->len);
|
||||
skb = priv->rx_buf[i];
|
||||
|
||||
skb_put(skb, len);
|
||||
|
||||
if (p54_rx(dev, skb)) {
|
||||
pci_unmap_single(priv->pdev,
|
||||
le32_to_cpu(desc->host_addr),
|
||||
MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
|
||||
|
||||
priv->rx_buf[i] = NULL;
|
||||
desc->host_addr = 0;
|
||||
} else {
|
||||
skb_trim(skb, 0);
|
||||
desc->len = cpu_to_le16(MAX_RX_SIZE);
|
||||
}
|
||||
|
||||
i++;
|
||||
i %= ARRAY_SIZE(priv->ring_control->rx_data);
|
||||
}
|
||||
|
||||
p54p_refill_rx_ring(dev);
|
||||
|
||||
wmb();
|
||||
P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE));
|
||||
} else if (reg & cpu_to_le32(ISL38XX_INT_IDENT_INIT))
|
||||
complete(&priv->boot_comp);
|
||||
|
||||
spin_unlock(&priv->lock);
|
||||
|
||||
return reg ? IRQ_HANDLED : IRQ_NONE;
|
||||
}
|
||||
|
||||
static void p54p_tx(struct ieee80211_hw *dev, struct p54_control_hdr *data,
|
||||
size_t len, int free_on_tx)
|
||||
{
|
||||
struct p54p_priv *priv = dev->priv;
|
||||
unsigned long flags;
|
||||
struct p54p_desc *desc;
|
||||
dma_addr_t mapping;
|
||||
u32 device_idx, idx, i;
|
||||
|
||||
spin_lock_irqsave(&priv->lock, flags);
|
||||
|
||||
device_idx = le32_to_cpu(priv->ring_control->device_idx[1]);
|
||||
idx = le32_to_cpu(priv->ring_control->host_idx[1]);
|
||||
i = idx % ARRAY_SIZE(priv->ring_control->tx_data);
|
||||
|
||||
mapping = pci_map_single(priv->pdev, data, len, PCI_DMA_TODEVICE);
|
||||
desc = &priv->ring_control->tx_data[i];
|
||||
desc->host_addr = cpu_to_le32(mapping);
|
||||
desc->device_addr = data->req_id;
|
||||
desc->len = cpu_to_le16(len);
|
||||
desc->flags = 0;
|
||||
|
||||
wmb();
|
||||
priv->ring_control->host_idx[1] = cpu_to_le32(idx + 1);
|
||||
|
||||
if (free_on_tx)
|
||||
priv->tx_buf[i] = data;
|
||||
|
||||
spin_unlock_irqrestore(&priv->lock, flags);
|
||||
|
||||
P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE));
|
||||
P54P_READ(dev_int);
|
||||
|
||||
/* FIXME: unlikely to happen because the device usually runs out of
|
||||
memory before we fill the ring up, but we can make it impossible */
|
||||
if (idx - device_idx > ARRAY_SIZE(priv->ring_control->tx_data) - 2)
|
||||
printk(KERN_INFO "%s: tx overflow.\n", wiphy_name(dev->wiphy));
|
||||
}
|
||||
|
||||
static int p54p_open(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54p_priv *priv = dev->priv;
|
||||
int err;
|
||||
|
||||
init_completion(&priv->boot_comp);
|
||||
err = request_irq(priv->pdev->irq, &p54p_interrupt,
|
||||
IRQF_SHARED, "prism54pci", dev);
|
||||
if (err) {
|
||||
printk(KERN_ERR "%s: failed to register IRQ handler\n",
|
||||
wiphy_name(dev->wiphy));
|
||||
return err;
|
||||
}
|
||||
|
||||
memset(priv->ring_control, 0, sizeof(*priv->ring_control));
|
||||
priv->rx_idx = priv->tx_idx = 0;
|
||||
p54p_refill_rx_ring(dev);
|
||||
|
||||
p54p_upload_firmware(dev);
|
||||
|
||||
P54P_WRITE(ring_control_base, priv->ring_control_dma);
|
||||
P54P_READ(ring_control_base);
|
||||
wmb();
|
||||
udelay(10);
|
||||
|
||||
P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_INIT));
|
||||
P54P_READ(int_enable);
|
||||
wmb();
|
||||
udelay(10);
|
||||
|
||||
P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_RESET));
|
||||
P54P_READ(dev_int);
|
||||
|
||||
if (!wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ)) {
|
||||
printk(KERN_ERR "%s: Cannot boot firmware!\n",
|
||||
wiphy_name(dev->wiphy));
|
||||
free_irq(priv->pdev->irq, dev);
|
||||
return -ETIMEDOUT;
|
||||
}
|
||||
|
||||
P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_UPDATE));
|
||||
P54P_READ(int_enable);
|
||||
wmb();
|
||||
udelay(10);
|
||||
|
||||
P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE));
|
||||
P54P_READ(dev_int);
|
||||
wmb();
|
||||
udelay(10);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void p54p_stop(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54p_priv *priv = dev->priv;
|
||||
unsigned int i;
|
||||
struct p54p_desc *desc;
|
||||
|
||||
P54P_WRITE(int_enable, 0);
|
||||
P54P_READ(int_enable);
|
||||
udelay(10);
|
||||
|
||||
free_irq(priv->pdev->irq, dev);
|
||||
|
||||
P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_RESET));
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(priv->rx_buf); i++) {
|
||||
desc = &priv->ring_control->rx_data[i];
|
||||
if (desc->host_addr)
|
||||
pci_unmap_single(priv->pdev, le32_to_cpu(desc->host_addr),
|
||||
MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
|
||||
kfree_skb(priv->rx_buf[i]);
|
||||
priv->rx_buf[i] = NULL;
|
||||
}
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(priv->tx_buf); i++) {
|
||||
desc = &priv->ring_control->tx_data[i];
|
||||
if (desc->host_addr)
|
||||
pci_unmap_single(priv->pdev, le32_to_cpu(desc->host_addr),
|
||||
le16_to_cpu(desc->len), PCI_DMA_TODEVICE);
|
||||
|
||||
kfree(priv->tx_buf[i]);
|
||||
priv->tx_buf[i] = NULL;
|
||||
}
|
||||
|
||||
memset(priv->ring_control, 0, sizeof(*priv->ring_control));
|
||||
}
|
||||
|
||||
static int __devinit p54p_probe(struct pci_dev *pdev,
|
||||
const struct pci_device_id *id)
|
||||
{
|
||||
struct p54p_priv *priv;
|
||||
struct ieee80211_hw *dev;
|
||||
unsigned long mem_addr, mem_len;
|
||||
int err;
|
||||
DECLARE_MAC_BUF(mac);
|
||||
|
||||
err = pci_enable_device(pdev);
|
||||
if (err) {
|
||||
printk(KERN_ERR "%s (prism54pci): Cannot enable new PCI device\n",
|
||||
pci_name(pdev));
|
||||
return err;
|
||||
}
|
||||
|
||||
mem_addr = pci_resource_start(pdev, 0);
|
||||
mem_len = pci_resource_len(pdev, 0);
|
||||
if (mem_len < sizeof(struct p54p_csr)) {
|
||||
printk(KERN_ERR "%s (prism54pci): Too short PCI resources\n",
|
||||
pci_name(pdev));
|
||||
pci_disable_device(pdev);
|
||||
return err;
|
||||
}
|
||||
|
||||
err = pci_request_regions(pdev, "prism54pci");
|
||||
if (err) {
|
||||
printk(KERN_ERR "%s (prism54pci): Cannot obtain PCI resources\n",
|
||||
pci_name(pdev));
|
||||
return err;
|
||||
}
|
||||
|
||||
if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
|
||||
pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) {
|
||||
printk(KERN_ERR "%s (prism54pci): No suitable DMA available\n",
|
||||
pci_name(pdev));
|
||||
goto err_free_reg;
|
||||
}
|
||||
|
||||
pci_set_master(pdev);
|
||||
pci_try_set_mwi(pdev);
|
||||
|
||||
pci_write_config_byte(pdev, 0x40, 0);
|
||||
pci_write_config_byte(pdev, 0x41, 0);
|
||||
|
||||
dev = p54_init_common(sizeof(*priv));
|
||||
if (!dev) {
|
||||
printk(KERN_ERR "%s (prism54pci): ieee80211 alloc failed\n",
|
||||
pci_name(pdev));
|
||||
err = -ENOMEM;
|
||||
goto err_free_reg;
|
||||
}
|
||||
|
||||
priv = dev->priv;
|
||||
priv->pdev = pdev;
|
||||
|
||||
SET_IEEE80211_DEV(dev, &pdev->dev);
|
||||
pci_set_drvdata(pdev, dev);
|
||||
|
||||
priv->map = ioremap(mem_addr, mem_len);
|
||||
if (!priv->map) {
|
||||
printk(KERN_ERR "%s (prism54pci): Cannot map device memory\n",
|
||||
pci_name(pdev));
|
||||
err = -EINVAL; // TODO: use a better error code?
|
||||
goto err_free_dev;
|
||||
}
|
||||
|
||||
priv->ring_control = pci_alloc_consistent(pdev, sizeof(*priv->ring_control),
|
||||
&priv->ring_control_dma);
|
||||
if (!priv->ring_control) {
|
||||
printk(KERN_ERR "%s (prism54pci): Cannot allocate rings\n",
|
||||
pci_name(pdev));
|
||||
err = -ENOMEM;
|
||||
goto err_iounmap;
|
||||
}
|
||||
memset(priv->ring_control, 0, sizeof(*priv->ring_control));
|
||||
|
||||
err = p54p_upload_firmware(dev);
|
||||
if (err)
|
||||
goto err_free_desc;
|
||||
|
||||
err = p54p_read_eeprom(dev);
|
||||
if (err)
|
||||
goto err_free_desc;
|
||||
|
||||
priv->common.open = p54p_open;
|
||||
priv->common.stop = p54p_stop;
|
||||
priv->common.tx = p54p_tx;
|
||||
|
||||
spin_lock_init(&priv->lock);
|
||||
|
||||
err = ieee80211_register_hw(dev);
|
||||
if (err) {
|
||||
printk(KERN_ERR "%s (prism54pci): Cannot register netdevice\n",
|
||||
pci_name(pdev));
|
||||
goto err_free_common;
|
||||
}
|
||||
|
||||
printk(KERN_INFO "%s: hwaddr %s, isl38%02x\n",
|
||||
wiphy_name(dev->wiphy),
|
||||
print_mac(mac, dev->wiphy->perm_addr),
|
||||
priv->common.version);
|
||||
|
||||
return 0;
|
||||
|
||||
err_free_common:
|
||||
p54_free_common(dev);
|
||||
|
||||
err_free_desc:
|
||||
pci_free_consistent(pdev, sizeof(*priv->ring_control),
|
||||
priv->ring_control, priv->ring_control_dma);
|
||||
|
||||
err_iounmap:
|
||||
iounmap(priv->map);
|
||||
|
||||
err_free_dev:
|
||||
pci_set_drvdata(pdev, NULL);
|
||||
ieee80211_free_hw(dev);
|
||||
|
||||
err_free_reg:
|
||||
pci_release_regions(pdev);
|
||||
pci_disable_device(pdev);
|
||||
return err;
|
||||
}
|
||||
|
||||
static void __devexit p54p_remove(struct pci_dev *pdev)
|
||||
{
|
||||
struct ieee80211_hw *dev = pci_get_drvdata(pdev);
|
||||
struct p54p_priv *priv;
|
||||
|
||||
if (!dev)
|
||||
return;
|
||||
|
||||
ieee80211_unregister_hw(dev);
|
||||
priv = dev->priv;
|
||||
pci_free_consistent(pdev, sizeof(*priv->ring_control),
|
||||
priv->ring_control, priv->ring_control_dma);
|
||||
p54_free_common(dev);
|
||||
iounmap(priv->map);
|
||||
pci_release_regions(pdev);
|
||||
pci_disable_device(pdev);
|
||||
ieee80211_free_hw(dev);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
static int p54p_suspend(struct pci_dev *pdev, pm_message_t state)
|
||||
{
|
||||
struct ieee80211_hw *dev = pci_get_drvdata(pdev);
|
||||
struct p54p_priv *priv = dev->priv;
|
||||
|
||||
if (priv->common.mode != IEEE80211_IF_TYPE_MGMT) {
|
||||
ieee80211_stop_queues(dev);
|
||||
p54p_stop(dev);
|
||||
}
|
||||
|
||||
pci_save_state(pdev);
|
||||
pci_set_power_state(pdev, pci_choose_state(pdev, state));
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int p54p_resume(struct pci_dev *pdev)
|
||||
{
|
||||
struct ieee80211_hw *dev = pci_get_drvdata(pdev);
|
||||
struct p54p_priv *priv = dev->priv;
|
||||
|
||||
pci_set_power_state(pdev, PCI_D0);
|
||||
pci_restore_state(pdev);
|
||||
|
||||
if (priv->common.mode != IEEE80211_IF_TYPE_MGMT) {
|
||||
p54p_open(dev);
|
||||
ieee80211_start_queues(dev);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif /* CONFIG_PM */
|
||||
|
||||
static struct pci_driver p54p_driver = {
|
||||
.name = "prism54pci",
|
||||
.id_table = p54p_table,
|
||||
.probe = p54p_probe,
|
||||
.remove = __devexit_p(p54p_remove),
|
||||
#ifdef CONFIG_PM
|
||||
.suspend = p54p_suspend,
|
||||
.resume = p54p_resume,
|
||||
#endif /* CONFIG_PM */
|
||||
};
|
||||
|
||||
static int __init p54p_init(void)
|
||||
{
|
||||
return pci_register_driver(&p54p_driver);
|
||||
}
|
||||
|
||||
static void __exit p54p_exit(void)
|
||||
{
|
||||
pci_unregister_driver(&p54p_driver);
|
||||
}
|
||||
|
||||
module_init(p54p_init);
|
||||
module_exit(p54p_exit);
|
||||
|
|
@ -0,0 +1,106 @@
|
|||
#ifndef PRISM54PCI_H
|
||||
#define PRISM54PCI_H
|
||||
|
||||
/*
|
||||
* Defines for PCI based mac80211 Prism54 driver
|
||||
*
|
||||
* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
|
||||
*
|
||||
* Based on the islsm (softmac prism54) driver, which is:
|
||||
* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
/* Device Interrupt register bits */
|
||||
#define ISL38XX_DEV_INT_RESET 0x0001
|
||||
#define ISL38XX_DEV_INT_UPDATE 0x0002
|
||||
#define ISL38XX_DEV_INT_WAKEUP 0x0008
|
||||
#define ISL38XX_DEV_INT_SLEEP 0x0010
|
||||
#define ISL38XX_DEV_INT_ABORT 0x0020
|
||||
/* these two only used in USB */
|
||||
#define ISL38XX_DEV_INT_DATA 0x0040
|
||||
#define ISL38XX_DEV_INT_MGMT 0x0080
|
||||
|
||||
#define ISL38XX_DEV_INT_PCIUART_CTS 0x4000
|
||||
#define ISL38XX_DEV_INT_PCIUART_DR 0x8000
|
||||
|
||||
/* Interrupt Identification/Acknowledge/Enable register bits */
|
||||
#define ISL38XX_INT_IDENT_UPDATE 0x0002
|
||||
#define ISL38XX_INT_IDENT_INIT 0x0004
|
||||
#define ISL38XX_INT_IDENT_WAKEUP 0x0008
|
||||
#define ISL38XX_INT_IDENT_SLEEP 0x0010
|
||||
#define ISL38XX_INT_IDENT_PCIUART_CTS 0x4000
|
||||
#define ISL38XX_INT_IDENT_PCIUART_DR 0x8000
|
||||
|
||||
/* Control/Status register bits */
|
||||
#define ISL38XX_CTRL_STAT_SLEEPMODE 0x00000200
|
||||
#define ISL38XX_CTRL_STAT_CLKRUN 0x00800000
|
||||
#define ISL38XX_CTRL_STAT_RESET 0x10000000
|
||||
#define ISL38XX_CTRL_STAT_RAMBOOT 0x20000000
|
||||
#define ISL38XX_CTRL_STAT_STARTHALTED 0x40000000
|
||||
#define ISL38XX_CTRL_STAT_HOST_OVERRIDE 0x80000000
|
||||
|
||||
struct p54p_csr {
|
||||
__le32 dev_int;
|
||||
u8 unused_1[12];
|
||||
__le32 int_ident;
|
||||
__le32 int_ack;
|
||||
__le32 int_enable;
|
||||
u8 unused_2[4];
|
||||
union {
|
||||
__le32 ring_control_base;
|
||||
__le32 gen_purp_com[2];
|
||||
};
|
||||
u8 unused_3[8];
|
||||
__le32 direct_mem_base;
|
||||
u8 unused_4[44];
|
||||
__le32 dma_addr;
|
||||
__le32 dma_len;
|
||||
__le32 dma_ctrl;
|
||||
u8 unused_5[12];
|
||||
__le32 ctrl_stat;
|
||||
u8 unused_6[1924];
|
||||
u8 cardbus_cis[0x800];
|
||||
u8 direct_mem_win[0x1000];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
/* usb backend only needs the register defines above */
|
||||
#ifndef PRISM54USB_H
|
||||
struct p54p_desc {
|
||||
__le32 host_addr;
|
||||
__le32 device_addr;
|
||||
__le16 len;
|
||||
__le16 flags;
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct p54p_ring_control {
|
||||
__le32 host_idx[4];
|
||||
__le32 device_idx[4];
|
||||
struct p54p_desc rx_data[8];
|
||||
struct p54p_desc tx_data[32];
|
||||
struct p54p_desc rx_mgmt[4];
|
||||
struct p54p_desc tx_mgmt[4];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
#define P54P_READ(r) __raw_readl(&priv->map->r)
|
||||
#define P54P_WRITE(r, val) __raw_writel((__force u32)(val), &priv->map->r)
|
||||
|
||||
struct p54p_priv {
|
||||
struct p54_common common;
|
||||
struct pci_dev *pdev;
|
||||
struct p54p_csr __iomem *map;
|
||||
|
||||
spinlock_t lock;
|
||||
struct p54p_ring_control *ring_control;
|
||||
dma_addr_t ring_control_dma;
|
||||
u32 rx_idx, tx_idx;
|
||||
struct sk_buff *rx_buf[8];
|
||||
void *tx_buf[32];
|
||||
struct completion boot_comp;
|
||||
};
|
||||
|
||||
#endif /* PRISM54USB_H */
|
||||
#endif /* PRISM54PCI_H */
|
||||
|
|
@ -0,0 +1,906 @@
|
|||
|
||||
/*
|
||||
* Linux device driver for USB based Prism54
|
||||
*
|
||||
* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
|
||||
*
|
||||
* Based on the islsm (softmac prism54) driver, which is:
|
||||
* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/usb.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/firmware.h>
|
||||
#include <linux/etherdevice.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/crc32.h>
|
||||
#include <net/mac80211.h>
|
||||
|
||||
#include "p54.h"
|
||||
#include "p54usb.h"
|
||||
|
||||
MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
|
||||
MODULE_DESCRIPTION("Prism54 USB wireless driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS("prism54usb");
|
||||
|
||||
static struct usb_device_id p54u_table[] __devinitdata = {
|
||||
/* Version 1 devices (pci chip + net2280) */
|
||||
{USB_DEVICE(0x0506, 0x0a11)}, /* 3COM 3CRWE254G72 */
|
||||
{USB_DEVICE(0x0707, 0xee06)}, /* SMC 2862W-G */
|
||||
{USB_DEVICE(0x083a, 0x4501)}, /* Accton 802.11g WN4501 USB */
|
||||
{USB_DEVICE(0x083a, 0x4502)}, /* Siemens Gigaset USB Adapter */
|
||||
{USB_DEVICE(0x0846, 0x4200)}, /* Netgear WG121 */
|
||||
{USB_DEVICE(0x0846, 0x4210)}, /* Netgear WG121 the second ? */
|
||||
{USB_DEVICE(0x0846, 0x4220)}, /* Netgear WG111 */
|
||||
{USB_DEVICE(0x0cde, 0x0006)}, /* Medion 40900, Roper Europe */
|
||||
{USB_DEVICE(0x124a, 0x4023)}, /* Shuttle PN15, Airvast WM168g, IOGear GWU513 */
|
||||
{USB_DEVICE(0x1915, 0x2234)}, /* Linksys WUSB54G OEM */
|
||||
{USB_DEVICE(0x1915, 0x2235)}, /* Linksys WUSB54G Portable OEM */
|
||||
{USB_DEVICE(0x2001, 0x3701)}, /* DLink DWL-G120 Spinnaker */
|
||||
{USB_DEVICE(0x2001, 0x3703)}, /* DLink DWL-G122 */
|
||||
{USB_DEVICE(0x5041, 0x2234)}, /* Linksys WUSB54G */
|
||||
{USB_DEVICE(0x5041, 0x2235)}, /* Linksys WUSB54G Portable */
|
||||
|
||||
/* Version 2 devices (3887) */
|
||||
{USB_DEVICE(0x050d, 0x7050)}, /* Belkin F5D7050 ver 1000 */
|
||||
{USB_DEVICE(0x0572, 0x2000)}, /* Cohiba Proto board */
|
||||
{USB_DEVICE(0x0572, 0x2002)}, /* Cohiba Proto board */
|
||||
{USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */
|
||||
{USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */
|
||||
{USB_DEVICE(0x0846, 0x4240)}, /* Netgear WG111 (v2) */
|
||||
{USB_DEVICE(0x0915, 0x2000)}, /* Cohiba Proto board */
|
||||
{USB_DEVICE(0x0915, 0x2002)}, /* Cohiba Proto board */
|
||||
{USB_DEVICE(0x0baf, 0x0118)}, /* U.S. Robotics U5 802.11g Adapter*/
|
||||
{USB_DEVICE(0x0bf8, 0x1009)}, /* FUJITSU E-5400 USB D1700*/
|
||||
{USB_DEVICE(0x0cde, 0x0006)}, /* Medion MD40900 */
|
||||
{USB_DEVICE(0x0cde, 0x0008)}, /* Sagem XG703A */
|
||||
{USB_DEVICE(0x0d8e, 0x3762)}, /* DLink DWL-G120 Cohiba */
|
||||
{USB_DEVICE(0x09aa, 0x1000)}, /* Spinnaker Proto board */
|
||||
{USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */
|
||||
{USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */
|
||||
{USB_DEVICE(0x413c, 0x8102)}, /* Spinnaker DUT */
|
||||
{USB_DEVICE(0x413c, 0x8104)}, /* Cohiba Proto board */
|
||||
{}
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(usb, p54u_table);
|
||||
|
||||
static void p54u_rx_cb(struct urb *urb)
|
||||
{
|
||||
struct sk_buff *skb = (struct sk_buff *) urb->context;
|
||||
struct p54u_rx_info *info = (struct p54u_rx_info *)skb->cb;
|
||||
struct ieee80211_hw *dev = info->dev;
|
||||
struct p54u_priv *priv = dev->priv;
|
||||
|
||||
if (unlikely(urb->status)) {
|
||||
info->urb = NULL;
|
||||
usb_free_urb(urb);
|
||||
return;
|
||||
}
|
||||
|
||||
skb_unlink(skb, &priv->rx_queue);
|
||||
skb_put(skb, urb->actual_length);
|
||||
if (!priv->hw_type)
|
||||
skb_pull(skb, sizeof(struct net2280_tx_hdr));
|
||||
|
||||
if (p54_rx(dev, skb)) {
|
||||
skb = dev_alloc_skb(MAX_RX_SIZE);
|
||||
if (unlikely(!skb)) {
|
||||
usb_free_urb(urb);
|
||||
/* TODO check rx queue length and refill *somewhere* */
|
||||
return;
|
||||
}
|
||||
|
||||
info = (struct p54u_rx_info *) skb->cb;
|
||||
info->urb = urb;
|
||||
info->dev = dev;
|
||||
urb->transfer_buffer = skb_tail_pointer(skb);
|
||||
urb->context = skb;
|
||||
skb_queue_tail(&priv->rx_queue, skb);
|
||||
} else {
|
||||
skb_trim(skb, 0);
|
||||
skb_queue_tail(&priv->rx_queue, skb);
|
||||
}
|
||||
|
||||
usb_submit_urb(urb, GFP_ATOMIC);
|
||||
}
|
||||
|
||||
static void p54u_tx_cb(struct urb *urb)
|
||||
{
|
||||
usb_free_urb(urb);
|
||||
}
|
||||
|
||||
static void p54u_tx_free_cb(struct urb *urb)
|
||||
{
|
||||
kfree(urb->transfer_buffer);
|
||||
usb_free_urb(urb);
|
||||
}
|
||||
|
||||
static int p54u_init_urbs(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54u_priv *priv = dev->priv;
|
||||
struct urb *entry;
|
||||
struct sk_buff *skb;
|
||||
struct p54u_rx_info *info;
|
||||
|
||||
while (skb_queue_len(&priv->rx_queue) < 32) {
|
||||
skb = __dev_alloc_skb(MAX_RX_SIZE, GFP_KERNEL);
|
||||
if (!skb)
|
||||
break;
|
||||
entry = usb_alloc_urb(0, GFP_KERNEL);
|
||||
if (!entry) {
|
||||
kfree_skb(skb);
|
||||
break;
|
||||
}
|
||||
usb_fill_bulk_urb(entry, priv->udev, usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), skb_tail_pointer(skb), MAX_RX_SIZE, p54u_rx_cb, skb);
|
||||
info = (struct p54u_rx_info *) skb->cb;
|
||||
info->urb = entry;
|
||||
info->dev = dev;
|
||||
skb_queue_tail(&priv->rx_queue, skb);
|
||||
usb_submit_urb(entry, GFP_KERNEL);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void p54u_free_urbs(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54u_priv *priv = dev->priv;
|
||||
struct p54u_rx_info *info;
|
||||
struct sk_buff *skb;
|
||||
|
||||
while ((skb = skb_dequeue(&priv->rx_queue))) {
|
||||
info = (struct p54u_rx_info *) skb->cb;
|
||||
if (!info->urb)
|
||||
continue;
|
||||
|
||||
usb_kill_urb(info->urb);
|
||||
kfree_skb(skb);
|
||||
}
|
||||
}
|
||||
|
||||
static void p54u_tx_3887(struct ieee80211_hw *dev, struct p54_control_hdr *data,
|
||||
size_t len, int free_on_tx)
|
||||
{
|
||||
struct p54u_priv *priv = dev->priv;
|
||||
struct urb *addr_urb, *data_urb;
|
||||
|
||||
addr_urb = usb_alloc_urb(0, GFP_ATOMIC);
|
||||
if (!addr_urb)
|
||||
return;
|
||||
|
||||
data_urb = usb_alloc_urb(0, GFP_ATOMIC);
|
||||
if (!data_urb) {
|
||||
usb_free_urb(addr_urb);
|
||||
return;
|
||||
}
|
||||
|
||||
usb_fill_bulk_urb(addr_urb, priv->udev,
|
||||
usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), &data->req_id,
|
||||
sizeof(data->req_id), p54u_tx_cb, dev);
|
||||
usb_fill_bulk_urb(data_urb, priv->udev,
|
||||
usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), data, len,
|
||||
free_on_tx ? p54u_tx_free_cb : p54u_tx_cb, dev);
|
||||
|
||||
usb_submit_urb(addr_urb, GFP_ATOMIC);
|
||||
usb_submit_urb(data_urb, GFP_ATOMIC);
|
||||
}
|
||||
|
||||
static void p54u_tx_net2280(struct ieee80211_hw *dev, struct p54_control_hdr *data,
|
||||
size_t len, int free_on_tx)
|
||||
{
|
||||
struct p54u_priv *priv = dev->priv;
|
||||
struct urb *int_urb, *data_urb;
|
||||
struct net2280_tx_hdr *hdr;
|
||||
struct net2280_reg_write *reg;
|
||||
|
||||
reg = kmalloc(sizeof(*reg), GFP_ATOMIC);
|
||||
if (!reg)
|
||||
return;
|
||||
|
||||
int_urb = usb_alloc_urb(0, GFP_ATOMIC);
|
||||
if (!int_urb) {
|
||||
kfree(reg);
|
||||
return;
|
||||
}
|
||||
|
||||
data_urb = usb_alloc_urb(0, GFP_ATOMIC);
|
||||
if (!data_urb) {
|
||||
kfree(reg);
|
||||
usb_free_urb(int_urb);
|
||||
return;
|
||||
}
|
||||
|
||||
reg->port = cpu_to_le16(NET2280_DEV_U32);
|
||||
reg->addr = cpu_to_le32(P54U_DEV_BASE);
|
||||
reg->val = cpu_to_le32(ISL38XX_DEV_INT_DATA);
|
||||
|
||||
len += sizeof(*data);
|
||||
hdr = (void *)data - sizeof(*hdr);
|
||||
memset(hdr, 0, sizeof(*hdr));
|
||||
hdr->device_addr = data->req_id;
|
||||
hdr->len = cpu_to_le16(len);
|
||||
|
||||
usb_fill_bulk_urb(int_urb, priv->udev,
|
||||
usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg),
|
||||
p54u_tx_free_cb, dev);
|
||||
usb_submit_urb(int_urb, GFP_ATOMIC);
|
||||
|
||||
usb_fill_bulk_urb(data_urb, priv->udev,
|
||||
usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), hdr, len + sizeof(*hdr),
|
||||
free_on_tx ? p54u_tx_free_cb : p54u_tx_cb, dev);
|
||||
usb_submit_urb(data_urb, GFP_ATOMIC);
|
||||
}
|
||||
|
||||
static int p54u_write(struct p54u_priv *priv,
|
||||
struct net2280_reg_write *buf,
|
||||
enum net2280_op_type type,
|
||||
__le32 addr, __le32 val)
|
||||
{
|
||||
unsigned int ep;
|
||||
int alen;
|
||||
|
||||
if (type & 0x0800)
|
||||
ep = usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV);
|
||||
else
|
||||
ep = usb_sndbulkpipe(priv->udev, P54U_PIPE_BRG);
|
||||
|
||||
buf->port = cpu_to_le16(type);
|
||||
buf->addr = addr;
|
||||
buf->val = val;
|
||||
|
||||
return usb_bulk_msg(priv->udev, ep, buf, sizeof(*buf), &alen, 1000);
|
||||
}
|
||||
|
||||
static int p54u_read(struct p54u_priv *priv, void *buf,
|
||||
enum net2280_op_type type,
|
||||
__le32 addr, __le32 *val)
|
||||
{
|
||||
struct net2280_reg_read *read = buf;
|
||||
__le32 *reg = buf;
|
||||
unsigned int ep;
|
||||
int alen, err;
|
||||
|
||||
if (type & 0x0800)
|
||||
ep = P54U_PIPE_DEV;
|
||||
else
|
||||
ep = P54U_PIPE_BRG;
|
||||
|
||||
read->port = cpu_to_le16(type);
|
||||
read->addr = addr;
|
||||
|
||||
err = usb_bulk_msg(priv->udev, usb_sndbulkpipe(priv->udev, ep),
|
||||
read, sizeof(*read), &alen, 1000);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = usb_bulk_msg(priv->udev, usb_rcvbulkpipe(priv->udev, ep),
|
||||
reg, sizeof(*reg), &alen, 1000);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
*val = *reg;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int p54u_bulk_msg(struct p54u_priv *priv, unsigned int ep,
|
||||
void *data, size_t len)
|
||||
{
|
||||
int alen;
|
||||
return usb_bulk_msg(priv->udev, usb_sndbulkpipe(priv->udev, ep),
|
||||
data, len, &alen, 2000);
|
||||
}
|
||||
|
||||
static int p54u_read_eeprom(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54u_priv *priv = dev->priv;
|
||||
void *buf;
|
||||
struct p54_control_hdr *hdr;
|
||||
int err, alen;
|
||||
size_t offset = priv->hw_type ? 0x10 : 0x20;
|
||||
|
||||
buf = kmalloc(0x2020, GFP_KERNEL);
|
||||
if (!buf) {
|
||||
printk(KERN_ERR "prism54usb: cannot allocate memory for"
|
||||
"eeprom readback!\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
if (priv->hw_type) {
|
||||
*((u32 *) buf) = priv->common.rx_start;
|
||||
err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, sizeof(u32));
|
||||
if (err) {
|
||||
printk(KERN_ERR "prism54usb: addr send failed\n");
|
||||
goto fail;
|
||||
}
|
||||
} else {
|
||||
struct net2280_reg_write *reg = buf;
|
||||
reg->port = cpu_to_le16(NET2280_DEV_U32);
|
||||
reg->addr = cpu_to_le32(P54U_DEV_BASE);
|
||||
reg->val = cpu_to_le32(ISL38XX_DEV_INT_DATA);
|
||||
err = p54u_bulk_msg(priv, P54U_PIPE_DEV, buf, sizeof(*reg));
|
||||
if (err) {
|
||||
printk(KERN_ERR "prism54usb: dev_int send failed\n");
|
||||
goto fail;
|
||||
}
|
||||
}
|
||||
|
||||
hdr = buf + priv->common.tx_hdr_len;
|
||||
p54_fill_eeprom_readback(hdr);
|
||||
hdr->req_id = cpu_to_le32(priv->common.rx_start);
|
||||
if (priv->common.tx_hdr_len) {
|
||||
struct net2280_tx_hdr *tx_hdr = buf;
|
||||
tx_hdr->device_addr = hdr->req_id;
|
||||
tx_hdr->len = cpu_to_le16(EEPROM_READBACK_LEN);
|
||||
}
|
||||
|
||||
/* we can just pretend to send 0x2000 bytes of nothing in the headers */
|
||||
err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf,
|
||||
EEPROM_READBACK_LEN + priv->common.tx_hdr_len);
|
||||
if (err) {
|
||||
printk(KERN_ERR "prism54usb: eeprom req send failed\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
err = usb_bulk_msg(priv->udev,
|
||||
usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA),
|
||||
buf, 0x2020, &alen, 1000);
|
||||
if (!err && alen > offset) {
|
||||
p54_parse_eeprom(dev, (u8 *)buf + offset, alen - offset);
|
||||
} else {
|
||||
printk(KERN_ERR "prism54usb: eeprom read failed!\n");
|
||||
err = -EINVAL;
|
||||
goto fail;
|
||||
}
|
||||
|
||||
fail:
|
||||
kfree(buf);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int p54u_upload_firmware_3887(struct ieee80211_hw *dev)
|
||||
{
|
||||
static char start_string[] = "~~~~<\r";
|
||||
struct p54u_priv *priv = dev->priv;
|
||||
const struct firmware *fw_entry = NULL;
|
||||
int err, alen;
|
||||
u8 carry = 0;
|
||||
u8 *buf, *tmp, *data;
|
||||
unsigned int left, remains, block_size;
|
||||
struct x2_header *hdr;
|
||||
unsigned long timeout;
|
||||
|
||||
tmp = buf = kmalloc(P54U_FW_BLOCK, GFP_KERNEL);
|
||||
if (!buf) {
|
||||
printk(KERN_ERR "p54usb: cannot allocate firmware upload buffer!\n");
|
||||
err = -ENOMEM;
|
||||
goto err_bufalloc;
|
||||
}
|
||||
|
||||
memcpy(buf, start_string, 4);
|
||||
err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, 4);
|
||||
if (err) {
|
||||
printk(KERN_ERR "p54usb: reset failed! (%d)\n", err);
|
||||
goto err_reset;
|
||||
}
|
||||
|
||||
err = request_firmware(&fw_entry, "isl3887usb_bare", &priv->udev->dev);
|
||||
if (err) {
|
||||
printk(KERN_ERR "p54usb: cannot find firmware (isl3887usb_bare)!\n");
|
||||
goto err_req_fw_failed;
|
||||
}
|
||||
|
||||
p54_parse_firmware(dev, fw_entry);
|
||||
|
||||
left = block_size = min((size_t)P54U_FW_BLOCK, fw_entry->size);
|
||||
strcpy(buf, start_string);
|
||||
left -= strlen(start_string);
|
||||
tmp += strlen(start_string);
|
||||
|
||||
data = fw_entry->data;
|
||||
remains = fw_entry->size;
|
||||
|
||||
hdr = (struct x2_header *)(buf + strlen(start_string));
|
||||
memcpy(hdr->signature, X2_SIGNATURE, X2_SIGNATURE_SIZE);
|
||||
hdr->fw_load_addr = cpu_to_le32(ISL38XX_DEV_FIRMWARE_ADDR);
|
||||
hdr->fw_length = cpu_to_le32(fw_entry->size);
|
||||
hdr->crc = cpu_to_le32(~crc32_le(~0, (void *)&hdr->fw_load_addr,
|
||||
sizeof(u32)*2));
|
||||
left -= sizeof(*hdr);
|
||||
tmp += sizeof(*hdr);
|
||||
|
||||
while (remains) {
|
||||
while (left--) {
|
||||
if (carry) {
|
||||
*tmp++ = carry;
|
||||
carry = 0;
|
||||
remains--;
|
||||
continue;
|
||||
}
|
||||
switch (*data) {
|
||||
case '~':
|
||||
*tmp++ = '}';
|
||||
carry = '^';
|
||||
break;
|
||||
case '}':
|
||||
*tmp++ = '}';
|
||||
carry = ']';
|
||||
break;
|
||||
default:
|
||||
*tmp++ = *data;
|
||||
remains--;
|
||||
break;
|
||||
}
|
||||
data++;
|
||||
}
|
||||
|
||||
err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_size);
|
||||
if (err) {
|
||||
printk(KERN_ERR "prism54usb: firmware upload failed!\n");
|
||||
goto err_upload_failed;
|
||||
}
|
||||
|
||||
tmp = buf;
|
||||
left = block_size = min((unsigned int)P54U_FW_BLOCK, remains);
|
||||
}
|
||||
|
||||
*((__le32 *)buf) = cpu_to_le32(~crc32_le(~0, fw_entry->data, fw_entry->size));
|
||||
err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, sizeof(u32));
|
||||
if (err) {
|
||||
printk(KERN_ERR "prism54usb: firmware upload failed!\n");
|
||||
goto err_upload_failed;
|
||||
}
|
||||
|
||||
timeout = jiffies + msecs_to_jiffies(1000);
|
||||
while (!(err = usb_bulk_msg(priv->udev,
|
||||
usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), buf, 128, &alen, 1000))) {
|
||||
if (alen > 2 && !memcmp(buf, "OK", 2))
|
||||
break;
|
||||
|
||||
if (alen > 5 && !memcmp(buf, "ERROR", 5)) {
|
||||
printk(KERN_INFO "prism54usb: firmware upload failed!\n");
|
||||
err = -EINVAL;
|
||||
break;
|
||||
}
|
||||
|
||||
if (time_after(jiffies, timeout)) {
|
||||
printk(KERN_ERR "prism54usb: firmware boot timed out!\n");
|
||||
err = -ETIMEDOUT;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (err)
|
||||
goto err_upload_failed;
|
||||
|
||||
buf[0] = 'g';
|
||||
buf[1] = '\r';
|
||||
err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, 2);
|
||||
if (err) {
|
||||
printk(KERN_ERR "prism54usb: firmware boot failed!\n");
|
||||
goto err_upload_failed;
|
||||
}
|
||||
|
||||
timeout = jiffies + msecs_to_jiffies(1000);
|
||||
while (!(err = usb_bulk_msg(priv->udev,
|
||||
usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), buf, 128, &alen, 1000))) {
|
||||
if (alen > 0 && buf[0] == 'g')
|
||||
break;
|
||||
|
||||
if (time_after(jiffies, timeout)) {
|
||||
err = -ETIMEDOUT;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (err)
|
||||
goto err_upload_failed;
|
||||
|
||||
err_upload_failed:
|
||||
release_firmware(fw_entry);
|
||||
err_req_fw_failed:
|
||||
err_reset:
|
||||
kfree(buf);
|
||||
err_bufalloc:
|
||||
return err;
|
||||
}
|
||||
|
||||
static int p54u_upload_firmware_net2280(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54u_priv *priv = dev->priv;
|
||||
const struct firmware *fw_entry = NULL;
|
||||
const struct p54p_csr *devreg = (const struct p54p_csr *) P54U_DEV_BASE;
|
||||
int err, alen;
|
||||
void *buf;
|
||||
__le32 reg;
|
||||
unsigned int remains, offset;
|
||||
u8 *data;
|
||||
|
||||
buf = kmalloc(512, GFP_KERNEL);
|
||||
if (!buf) {
|
||||
printk(KERN_ERR "p54usb: firmware buffer alloc failed!\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
err = request_firmware(&fw_entry, "isl3890usb", &priv->udev->dev);
|
||||
if (err) {
|
||||
printk(KERN_ERR "p54usb: cannot find firmware (isl3890usb)!\n");
|
||||
kfree(buf);
|
||||
return err;
|
||||
}
|
||||
|
||||
p54_parse_firmware(dev, fw_entry);
|
||||
|
||||
#define P54U_WRITE(type, addr, data) \
|
||||
do {\
|
||||
err = p54u_write(priv, buf, type,\
|
||||
cpu_to_le32((u32)(unsigned long)addr), data);\
|
||||
if (err) \
|
||||
goto fail;\
|
||||
} while (0)
|
||||
|
||||
#define P54U_READ(type, addr) \
|
||||
do {\
|
||||
err = p54u_read(priv, buf, type,\
|
||||
cpu_to_le32((u32)(unsigned long)addr), ®);\
|
||||
if (err)\
|
||||
goto fail;\
|
||||
} while (0)
|
||||
|
||||
/* power down net2280 bridge */
|
||||
P54U_READ(NET2280_BRG_U32, NET2280_GPIOCTL);
|
||||
reg |= cpu_to_le32(P54U_BRG_POWER_DOWN);
|
||||
reg &= cpu_to_le32(~P54U_BRG_POWER_UP);
|
||||
P54U_WRITE(NET2280_BRG_U32, NET2280_GPIOCTL, reg);
|
||||
|
||||
mdelay(100);
|
||||
|
||||
/* power up bridge */
|
||||
reg |= cpu_to_le32(P54U_BRG_POWER_UP);
|
||||
reg &= cpu_to_le32(~P54U_BRG_POWER_DOWN);
|
||||
P54U_WRITE(NET2280_BRG_U32, NET2280_GPIOCTL, reg);
|
||||
|
||||
mdelay(100);
|
||||
|
||||
P54U_WRITE(NET2280_BRG_U32, NET2280_DEVINIT,
|
||||
cpu_to_le32(NET2280_CLK_30Mhz |
|
||||
NET2280_PCI_ENABLE |
|
||||
NET2280_PCI_SOFT_RESET));
|
||||
|
||||
mdelay(20);
|
||||
|
||||
P54U_WRITE(NET2280_BRG_CFG_U16, PCI_COMMAND,
|
||||
cpu_to_le32(PCI_COMMAND_MEMORY |
|
||||
PCI_COMMAND_MASTER));
|
||||
|
||||
P54U_WRITE(NET2280_BRG_CFG_U32, PCI_BASE_ADDRESS_0,
|
||||
cpu_to_le32(NET2280_BASE));
|
||||
|
||||
P54U_READ(NET2280_BRG_CFG_U16, PCI_STATUS);
|
||||
reg |= cpu_to_le32(PCI_STATUS_REC_MASTER_ABORT);
|
||||
P54U_WRITE(NET2280_BRG_CFG_U16, PCI_STATUS, reg);
|
||||
|
||||
// TODO: we really need this?
|
||||
P54U_READ(NET2280_BRG_U32, NET2280_RELNUM);
|
||||
|
||||
P54U_WRITE(NET2280_BRG_U32, NET2280_EPA_RSP,
|
||||
cpu_to_le32(NET2280_CLEAR_NAK_OUT_PACKETS_MODE));
|
||||
P54U_WRITE(NET2280_BRG_U32, NET2280_EPC_RSP,
|
||||
cpu_to_le32(NET2280_CLEAR_NAK_OUT_PACKETS_MODE));
|
||||
|
||||
P54U_WRITE(NET2280_BRG_CFG_U32, PCI_BASE_ADDRESS_2,
|
||||
cpu_to_le32(NET2280_BASE2));
|
||||
|
||||
/* finally done setting up the bridge */
|
||||
|
||||
P54U_WRITE(NET2280_DEV_CFG_U16, 0x10000 | PCI_COMMAND,
|
||||
cpu_to_le32(PCI_COMMAND_MEMORY |
|
||||
PCI_COMMAND_MASTER));
|
||||
|
||||
P54U_WRITE(NET2280_DEV_CFG_U16, 0x10000 | 0x40 /* TRDY timeout */, 0);
|
||||
P54U_WRITE(NET2280_DEV_CFG_U32, 0x10000 | PCI_BASE_ADDRESS_0,
|
||||
cpu_to_le32(P54U_DEV_BASE));
|
||||
|
||||
P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, 0);
|
||||
P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1,
|
||||
cpu_to_le32(NET2280_PCI_INTA_INTERRUPT));
|
||||
|
||||
/* do romboot */
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->int_enable, 0);
|
||||
|
||||
P54U_READ(NET2280_DEV_U32, &devreg->ctrl_stat);
|
||||
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
|
||||
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RAMBOOT);
|
||||
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN);
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
|
||||
|
||||
mdelay(20);
|
||||
|
||||
reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET);
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
|
||||
|
||||
mdelay(20);
|
||||
|
||||
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
|
||||
|
||||
mdelay(100);
|
||||
|
||||
P54U_READ(NET2280_DEV_U32, &devreg->int_ident);
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg);
|
||||
|
||||
/* finally, we can upload firmware now! */
|
||||
remains = fw_entry->size;
|
||||
data = fw_entry->data;
|
||||
offset = ISL38XX_DEV_FIRMWARE_ADDR;
|
||||
|
||||
while (remains) {
|
||||
unsigned int block_len = min(remains, (unsigned int)512);
|
||||
memcpy(buf, data, block_len);
|
||||
|
||||
err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_len);
|
||||
if (err) {
|
||||
printk(KERN_ERR "prism54usb: firmware block upload "
|
||||
"failed\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->direct_mem_base,
|
||||
cpu_to_le32(0xc0000f00));
|
||||
|
||||
P54U_WRITE(NET2280_DEV_U32,
|
||||
0x0020 | (unsigned long)&devreg->direct_mem_win, 0);
|
||||
P54U_WRITE(NET2280_DEV_U32,
|
||||
0x0020 | (unsigned long)&devreg->direct_mem_win,
|
||||
cpu_to_le32(1));
|
||||
|
||||
P54U_WRITE(NET2280_DEV_U32,
|
||||
0x0024 | (unsigned long)&devreg->direct_mem_win,
|
||||
cpu_to_le32(block_len));
|
||||
P54U_WRITE(NET2280_DEV_U32,
|
||||
0x0028 | (unsigned long)&devreg->direct_mem_win,
|
||||
cpu_to_le32(offset));
|
||||
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->dma_addr,
|
||||
cpu_to_le32(NET2280_EPA_FIFO_PCI_ADDR));
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->dma_len,
|
||||
cpu_to_le32(block_len >> 2));
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->dma_ctrl,
|
||||
cpu_to_le32(ISL38XX_DMA_MASTER_CONTROL_TRIGGER));
|
||||
|
||||
mdelay(10);
|
||||
|
||||
P54U_READ(NET2280_DEV_U32,
|
||||
0x002C | (unsigned long)&devreg->direct_mem_win);
|
||||
if (!(reg & cpu_to_le32(ISL38XX_DMA_STATUS_DONE)) ||
|
||||
!(reg & cpu_to_le32(ISL38XX_DMA_STATUS_READY))) {
|
||||
printk(KERN_ERR "prism54usb: firmware DMA transfer "
|
||||
"failed\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
P54U_WRITE(NET2280_BRG_U32, NET2280_EPA_STAT,
|
||||
cpu_to_le32(NET2280_FIFO_FLUSH));
|
||||
|
||||
remains -= block_len;
|
||||
data += block_len;
|
||||
offset += block_len;
|
||||
}
|
||||
|
||||
/* do ramboot */
|
||||
P54U_READ(NET2280_DEV_U32, &devreg->ctrl_stat);
|
||||
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
|
||||
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN);
|
||||
reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RAMBOOT);
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
|
||||
|
||||
mdelay(20);
|
||||
|
||||
reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET);
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
|
||||
|
||||
reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
|
||||
|
||||
mdelay(100);
|
||||
|
||||
P54U_READ(NET2280_DEV_U32, &devreg->int_ident);
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg);
|
||||
|
||||
/* start up the firmware */
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->int_enable,
|
||||
cpu_to_le32(ISL38XX_INT_IDENT_INIT));
|
||||
|
||||
P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1,
|
||||
cpu_to_le32(NET2280_PCI_INTA_INTERRUPT));
|
||||
|
||||
P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1,
|
||||
cpu_to_le32(NET2280_PCI_INTA_INTERRUPT_ENABLE |
|
||||
NET2280_USB_INTERRUPT_ENABLE));
|
||||
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->dev_int,
|
||||
cpu_to_le32(ISL38XX_DEV_INT_RESET));
|
||||
|
||||
err = usb_interrupt_msg(priv->udev,
|
||||
usb_rcvbulkpipe(priv->udev, P54U_PIPE_INT),
|
||||
buf, sizeof(__le32), &alen, 1000);
|
||||
if (err || alen != sizeof(__le32))
|
||||
goto fail;
|
||||
|
||||
P54U_READ(NET2280_DEV_U32, &devreg->int_ident);
|
||||
P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg);
|
||||
|
||||
if (!(reg & cpu_to_le32(ISL38XX_INT_IDENT_INIT)))
|
||||
err = -EINVAL;
|
||||
|
||||
P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, 0);
|
||||
P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1,
|
||||
cpu_to_le32(NET2280_PCI_INTA_INTERRUPT));
|
||||
|
||||
#undef P54U_WRITE
|
||||
#undef P54U_READ
|
||||
|
||||
fail:
|
||||
release_firmware(fw_entry);
|
||||
kfree(buf);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int p54u_open(struct ieee80211_hw *dev)
|
||||
{
|
||||
struct p54u_priv *priv = dev->priv;
|
||||
int err;
|
||||
|
||||
err = p54u_init_urbs(dev);
|
||||
if (err) {
|
||||
return err;
|
||||
}
|
||||
|
||||
priv->common.open = p54u_init_urbs;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void p54u_stop(struct ieee80211_hw *dev)
|
||||
{
|
||||
/* TODO: figure out how to reliably stop the 3887 and net2280 so
|
||||
the hardware is still usable next time we want to start it.
|
||||
until then, we just stop listening to the hardware.. */
|
||||
p54u_free_urbs(dev);
|
||||
return;
|
||||
}
|
||||
|
||||
static int __devinit p54u_probe(struct usb_interface *intf,
|
||||
const struct usb_device_id *id)
|
||||
{
|
||||
struct usb_device *udev = interface_to_usbdev(intf);
|
||||
struct ieee80211_hw *dev;
|
||||
struct p54u_priv *priv;
|
||||
int err;
|
||||
unsigned int i, recognized_pipes;
|
||||
DECLARE_MAC_BUF(mac);
|
||||
|
||||
dev = p54_init_common(sizeof(*priv));
|
||||
if (!dev) {
|
||||
printk(KERN_ERR "prism54usb: ieee80211 alloc failed\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
priv = dev->priv;
|
||||
|
||||
SET_IEEE80211_DEV(dev, &intf->dev);
|
||||
usb_set_intfdata(intf, dev);
|
||||
priv->udev = udev;
|
||||
|
||||
usb_get_dev(udev);
|
||||
|
||||
/* really lazy and simple way of figuring out if we're a 3887 */
|
||||
/* TODO: should just stick the identification in the device table */
|
||||
i = intf->altsetting->desc.bNumEndpoints;
|
||||
recognized_pipes = 0;
|
||||
while (i--) {
|
||||
switch (intf->altsetting->endpoint[i].desc.bEndpointAddress) {
|
||||
case P54U_PIPE_DATA:
|
||||
case P54U_PIPE_MGMT:
|
||||
case P54U_PIPE_BRG:
|
||||
case P54U_PIPE_DEV:
|
||||
case P54U_PIPE_DATA | USB_DIR_IN:
|
||||
case P54U_PIPE_MGMT | USB_DIR_IN:
|
||||
case P54U_PIPE_BRG | USB_DIR_IN:
|
||||
case P54U_PIPE_DEV | USB_DIR_IN:
|
||||
case P54U_PIPE_INT | USB_DIR_IN:
|
||||
recognized_pipes++;
|
||||
}
|
||||
}
|
||||
priv->common.open = p54u_open;
|
||||
|
||||
if (recognized_pipes < P54U_PIPE_NUMBER) {
|
||||
priv->hw_type = P54U_3887;
|
||||
priv->common.tx = p54u_tx_3887;
|
||||
} else {
|
||||
dev->extra_tx_headroom += sizeof(struct net2280_tx_hdr);
|
||||
priv->common.tx_hdr_len = sizeof(struct net2280_tx_hdr);
|
||||
priv->common.tx = p54u_tx_net2280;
|
||||
}
|
||||
priv->common.stop = p54u_stop;
|
||||
|
||||
if (priv->hw_type)
|
||||
err = p54u_upload_firmware_3887(dev);
|
||||
else
|
||||
err = p54u_upload_firmware_net2280(dev);
|
||||
if (err)
|
||||
goto err_free_dev;
|
||||
|
||||
err = p54u_read_eeprom(dev);
|
||||
if (err)
|
||||
goto err_free_dev;
|
||||
|
||||
if (!is_valid_ether_addr(dev->wiphy->perm_addr)) {
|
||||
u8 perm_addr[ETH_ALEN];
|
||||
|
||||
printk(KERN_WARNING "prism54usb: Invalid hwaddr! Using randomly generated MAC addr\n");
|
||||
random_ether_addr(perm_addr);
|
||||
SET_IEEE80211_PERM_ADDR(dev, perm_addr);
|
||||
}
|
||||
|
||||
skb_queue_head_init(&priv->rx_queue);
|
||||
|
||||
err = ieee80211_register_hw(dev);
|
||||
if (err) {
|
||||
printk(KERN_ERR "prism54usb: Cannot register netdevice\n");
|
||||
goto err_free_dev;
|
||||
}
|
||||
|
||||
printk(KERN_INFO "%s: hwaddr %s, isl38%02x\n",
|
||||
wiphy_name(dev->wiphy),
|
||||
print_mac(mac, dev->wiphy->perm_addr),
|
||||
priv->common.version);
|
||||
|
||||
return 0;
|
||||
|
||||
err_free_dev:
|
||||
ieee80211_free_hw(dev);
|
||||
usb_set_intfdata(intf, NULL);
|
||||
usb_put_dev(udev);
|
||||
return err;
|
||||
}
|
||||
|
||||
static void __devexit p54u_disconnect(struct usb_interface *intf)
|
||||
{
|
||||
struct ieee80211_hw *dev = usb_get_intfdata(intf);
|
||||
struct p54u_priv *priv;
|
||||
|
||||
if (!dev)
|
||||
return;
|
||||
|
||||
ieee80211_unregister_hw(dev);
|
||||
|
||||
priv = dev->priv;
|
||||
usb_put_dev(interface_to_usbdev(intf));
|
||||
p54_free_common(dev);
|
||||
ieee80211_free_hw(dev);
|
||||
}
|
||||
|
||||
static struct usb_driver p54u_driver = {
|
||||
.name = "prism54usb",
|
||||
.id_table = p54u_table,
|
||||
.probe = p54u_probe,
|
||||
.disconnect = p54u_disconnect,
|
||||
};
|
||||
|
||||
static int __init p54u_init(void)
|
||||
{
|
||||
return usb_register(&p54u_driver);
|
||||
}
|
||||
|
||||
static void __exit p54u_exit(void)
|
||||
{
|
||||
usb_deregister(&p54u_driver);
|
||||
}
|
||||
|
||||
module_init(p54u_init);
|
||||
module_exit(p54u_exit);
|
||||
|
|
@ -0,0 +1,133 @@
|
|||
#ifndef PRISM54USB_H
|
||||
#define PRISM54USB_H
|
||||
|
||||
/*
|
||||
* Defines for USB based mac80211 Prism54 driver
|
||||
*
|
||||
* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
|
||||
*
|
||||
* Based on the islsm (softmac prism54) driver, which is:
|
||||
* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
/* for isl3886 register definitions used on ver 1 devices */
|
||||
#include "p54pci.h"
|
||||
#include "net2280.h"
|
||||
|
||||
/* pci */
|
||||
#define NET2280_BASE 0x10000000
|
||||
#define NET2280_BASE2 0x20000000
|
||||
|
||||
/* gpio */
|
||||
#define P54U_BRG_POWER_UP (1 << GPIO0_DATA)
|
||||
#define P54U_BRG_POWER_DOWN (1 << GPIO1_DATA)
|
||||
|
||||
/* devinit */
|
||||
#define NET2280_CLK_4Mhz (15 << LOCAL_CLOCK_FREQUENCY)
|
||||
#define NET2280_CLK_30Mhz (2 << LOCAL_CLOCK_FREQUENCY)
|
||||
#define NET2280_CLK_60Mhz (1 << LOCAL_CLOCK_FREQUENCY)
|
||||
#define NET2280_CLK_STOP (0 << LOCAL_CLOCK_FREQUENCY)
|
||||
#define NET2280_PCI_ENABLE (1 << PCI_ENABLE)
|
||||
#define NET2280_PCI_SOFT_RESET (1 << PCI_SOFT_RESET)
|
||||
|
||||
/* endpoints */
|
||||
#define NET2280_CLEAR_NAK_OUT_PACKETS_MODE (1 << CLEAR_NAK_OUT_PACKETS_MODE)
|
||||
#define NET2280_FIFO_FLUSH (1 << FIFO_FLUSH)
|
||||
|
||||
/* irq */
|
||||
#define NET2280_USB_INTERRUPT_ENABLE (1 << USB_INTERRUPT_ENABLE)
|
||||
#define NET2280_PCI_INTA_INTERRUPT (1 << PCI_INTA_INTERRUPT)
|
||||
#define NET2280_PCI_INTA_INTERRUPT_ENABLE (1 << PCI_INTA_INTERRUPT_ENABLE)
|
||||
|
||||
/* registers */
|
||||
#define NET2280_DEVINIT 0x00
|
||||
#define NET2280_USBIRQENB1 0x24
|
||||
#define NET2280_IRQSTAT1 0x2c
|
||||
#define NET2280_FIFOCTL 0x38
|
||||
#define NET2280_GPIOCTL 0x50
|
||||
#define NET2280_RELNUM 0x88
|
||||
#define NET2280_EPA_RSP 0x324
|
||||
#define NET2280_EPA_STAT 0x32c
|
||||
#define NET2280_EPB_STAT 0x34c
|
||||
#define NET2280_EPC_RSP 0x364
|
||||
#define NET2280_EPC_STAT 0x36c
|
||||
#define NET2280_EPD_STAT 0x38c
|
||||
|
||||
#define NET2280_EPA_CFG 0x320
|
||||
#define NET2280_EPB_CFG 0x340
|
||||
#define NET2280_EPC_CFG 0x360
|
||||
#define NET2280_EPD_CFG 0x380
|
||||
#define NET2280_EPE_CFG 0x3A0
|
||||
#define NET2280_EPF_CFG 0x3C0
|
||||
#define P54U_DEV_BASE 0x40000000
|
||||
|
||||
struct net2280_tx_hdr {
|
||||
__le32 device_addr;
|
||||
__le16 len;
|
||||
__le16 follower; /* ? */
|
||||
u8 padding[8];
|
||||
} __attribute__((packed));
|
||||
|
||||
/* Some flags for the isl hardware registers controlling DMA inside the
|
||||
* chip */
|
||||
#define ISL38XX_DMA_STATUS_DONE 0x00000001
|
||||
#define ISL38XX_DMA_STATUS_READY 0x00000002
|
||||
#define NET2280_EPA_FIFO_PCI_ADDR 0x20000000
|
||||
#define ISL38XX_DMA_MASTER_CONTROL_TRIGGER 0x00000004
|
||||
|
||||
enum net2280_op_type {
|
||||
NET2280_BRG_U32 = 0x001F,
|
||||
NET2280_BRG_CFG_U32 = 0x000F,
|
||||
NET2280_BRG_CFG_U16 = 0x0003,
|
||||
NET2280_DEV_U32 = 0x080F,
|
||||
NET2280_DEV_CFG_U32 = 0x088F,
|
||||
NET2280_DEV_CFG_U16 = 0x0883
|
||||
};
|
||||
|
||||
#define P54U_FW_BLOCK 2048
|
||||
|
||||
#define X2_SIGNATURE "x2 "
|
||||
#define X2_SIGNATURE_SIZE 4
|
||||
|
||||
struct x2_header {
|
||||
u8 signature[X2_SIGNATURE_SIZE];
|
||||
__le32 fw_load_addr;
|
||||
__le32 fw_length;
|
||||
__le32 crc;
|
||||
} __attribute__((packed));
|
||||
|
||||
/* pipes 3 and 4 are not used by the driver */
|
||||
#define P54U_PIPE_NUMBER 9
|
||||
|
||||
enum p54u_pipe_addr {
|
||||
P54U_PIPE_DATA = 0x01,
|
||||
P54U_PIPE_MGMT = 0x02,
|
||||
P54U_PIPE_3 = 0x03,
|
||||
P54U_PIPE_4 = 0x04,
|
||||
P54U_PIPE_BRG = 0x0d,
|
||||
P54U_PIPE_DEV = 0x0e,
|
||||
P54U_PIPE_INT = 0x0f
|
||||
};
|
||||
|
||||
struct p54u_rx_info {
|
||||
struct urb *urb;
|
||||
struct ieee80211_hw *dev;
|
||||
};
|
||||
|
||||
struct p54u_priv {
|
||||
struct p54_common common;
|
||||
struct usb_device *udev;
|
||||
enum {
|
||||
P54U_NET2280 = 0,
|
||||
P54U_3887
|
||||
} hw_type;
|
||||
|
||||
spinlock_t lock;
|
||||
struct sk_buff_head rx_queue;
|
||||
};
|
||||
|
||||
#endif /* PRISM54USB_H */
|
||||
Loading…
Reference in New Issue