diff options
Diffstat (limited to 'target/linux/rb532/files/drivers/net/rc32434_eth.h')
| -rw-r--r-- | target/linux/rb532/files/drivers/net/rc32434_eth.h | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/target/linux/rb532/files/drivers/net/rc32434_eth.h b/target/linux/rb532/files/drivers/net/rc32434_eth.h deleted file mode 100644 index eaa0bfe51b..0000000000 --- a/target/linux/rb532/files/drivers/net/rc32434_eth.h +++ /dev/null @@ -1,178 +0,0 @@ -/************************************************************************** - * - * BRIEF MODULE DESCRIPTION - * Definitions for IDT RC32434 on-chip ethernet controller. - * - * Copyright 2004 IDT Inc. (rischelp@idt.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - * - ************************************************************************** - * May 2004 rkt, neb - * - * Initial Release - * - * Aug 2004 - * - * Added NAPI - * - ************************************************************************** - */ - - -#include <asm/rc32434/rc32434.h> -#include <asm/rc32434/dma_v.h> -#include <asm/rc32434/eth_v.h> - -#define CONFIG_IDT_USE_NAPI 1 -#define RC32434_DEBUG 2 -//#define RC32434_PROC_DEBUG -#undef RC32434_DEBUG - -#ifdef RC32434_DEBUG - -/* use 0 for production, 1 for verification, >2 for debug */ -static int rc32434_debug = RC32434_DEBUG; -#define ASSERT(expr) \ - if(!(expr)) { \ - printk( "Assertion failed! %s,%s,%s,line=%d\n", \ - #expr,__FILE__,__FUNCTION__,__LINE__); } -#define DBG(lvl, format, arg...) if (rc32434_debug > lvl) printk(KERN_INFO "%s: " format, dev->name , ## arg) -#else -#define ASSERT(expr) do {} while (0) -#define DBG(lvl, format, arg...) do {} while (0) -#endif - -#define INFO(format, arg...) printk(KERN_INFO "%s: " format, dev->name , ## arg) -#define ERR(format, arg...) printk(KERN_ERR "%s: " format, dev->name , ## arg) -#define WARN(format, arg...) printk(KERN_WARNING "%s: " format, dev->name , ## arg) - -/* the following must be powers of two */ -#ifdef CONFIG_IDT_USE_NAPI -#define RC32434_NUM_RDS 64 /* number of receive descriptors */ -#define RC32434_NUM_TDS 64 /* number of transmit descriptors */ -#else -#define RC32434_NUM_RDS 128 /* number of receive descriptors */ -#define RC32434_NUM_TDS 128 /* number of transmit descriptors */ -#endif - -#define RC32434_RBSIZE 1536 /* size of one resource buffer = Ether MTU */ -#define RC32434_RDS_MASK (RC32434_NUM_RDS-1) -#define RC32434_TDS_MASK (RC32434_NUM_TDS-1) -#define RD_RING_SIZE (RC32434_NUM_RDS * sizeof(struct DMAD_s)) -#define TD_RING_SIZE (RC32434_NUM_TDS * sizeof(struct DMAD_s)) - -#define RC32434_TX_TIMEOUT HZ * 100 - -#define rc32434_eth0_regs ((ETH_t)(ETH0_VirtualAddress)) -#define rc32434_eth1_regs ((ETH_t)(ETH1_VirtualAddress)) - -enum status { filled, empty}; -#define IS_DMA_FINISHED(X) (((X) & (DMAD_f_m)) != 0) -#define IS_DMA_DONE(X) (((X) & (DMAD_d_m)) != 0) - - -/* Information that need to be kept for each board. */ -struct rc32434_local { - ETH_t eth_regs; - DMA_Chan_t rx_dma_regs; - DMA_Chan_t tx_dma_regs; - volatile DMAD_t td_ring; /* transmit descriptor ring */ - volatile DMAD_t rd_ring; /* receive descriptor ring */ - - struct sk_buff* tx_skb[RC32434_NUM_TDS]; /* skbuffs for pkt to trans */ - struct sk_buff* rx_skb[RC32434_NUM_RDS]; /* skbuffs for pkt to trans */ - -#ifndef CONFIG_IDT_USE_NAPI - struct tasklet_struct * rx_tasklet; -#endif - struct tasklet_struct * tx_tasklet; - - int rx_next_done; - int rx_chain_head; - int rx_chain_tail; - enum status rx_chain_status; - - int tx_next_done; - int tx_chain_head; - int tx_chain_tail; - enum status tx_chain_status; - int tx_count; - int tx_full; - - struct timer_list mii_phy_timer; - unsigned long duplex_mode; - - int rx_irq; - int tx_irq; - int ovr_irq; - int und_irq; - - struct net_device_stats stats; - spinlock_t lock; - - /* debug /proc entry */ - struct proc_dir_entry *ps; - int dma_halt_cnt; int dma_run_cnt; -}; - -extern unsigned int idt_cpu_freq; - -/* Index to functions, as function prototypes. */ -static int rc32434_open(struct net_device *dev); -static int rc32434_send_packet(struct sk_buff *skb, struct net_device *dev); -static void rc32434_mii_handler(unsigned long data); -static irqreturn_t rc32434_und_interrupt(int irq, void *dev_id); -static irqreturn_t rc32434_rx_dma_interrupt(int irq, void *dev_id); -static irqreturn_t rc32434_tx_dma_interrupt(int irq, void *dev_id); -#ifdef RC32434_REVISION -static irqreturn_t rc32434_ovr_interrupt(int irq, void *dev_id); -#endif -static int rc32434_close(struct net_device *dev); -static struct net_device_stats *rc32434_get_stats(struct net_device *dev); -static void rc32434_multicast_list(struct net_device *dev); -static int rc32434_init(struct net_device *dev); -static void rc32434_tx_timeout(struct net_device *dev); - -static void rc32434_tx_tasklet(unsigned long tx_data_dev); -#ifdef CONFIG_IDT_USE_NAPI -static int rc32434_poll(struct net_device *rx_data_dev, int *budget); -#else -static void rc32434_rx_tasklet(unsigned long rx_data_dev); -#endif -static void rc32434_cleanup_module(void); - - -static inline void rc32434_abort_dma(struct net_device *dev, DMA_Chan_t ch) -{ - if (__raw_readl(&ch->dmac) & DMAC_run_m) { - __raw_writel(0x10, &ch->dmac); - - while (!(__raw_readl(&ch->dmas) & DMAS_h_m)) - dev->trans_start = jiffies; - - __raw_writel(0, &ch->dmas); - } - - __raw_writel(0, &ch->dmadptr); - __raw_writel(0, &ch->dmandptr); -} |