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Commit 61e0a6a2 authored by Krzysztof Hałasa's avatar Krzysztof Hałasa
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WAN: Simplify HD64572 drivers. 

Signed-off-by: default avatarKrzysztof Hałasa <khc@pm.waw.pl>
parent 96783436
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Showing with 110 additions and 135 deletions
drivers/net/wan/hd64572.c
View file @ 61e0a6a2
...@@ -11,13 +11,13 @@ ...@@ -11,13 +11,13 @@
* *
* We use the following SCA memory map: * We use the following SCA memory map:
* *
* Packet buffer descriptor rings - starting from winbase or win0base: * Packet buffer descriptor rings - starting from card->rambase:
* rx_ring_buffers * sizeof(pkt_desc) = logical channel #0 RX ring * rx_ring_buffers * sizeof(pkt_desc) = logical channel #0 RX ring
* tx_ring_buffers * sizeof(pkt_desc) = logical channel #0 TX ring * tx_ring_buffers * sizeof(pkt_desc) = logical channel #0 TX ring
* rx_ring_buffers * sizeof(pkt_desc) = logical channel #1 RX ring (if used) * rx_ring_buffers * sizeof(pkt_desc) = logical channel #1 RX ring (if used)
* tx_ring_buffers * sizeof(pkt_desc) = logical channel #1 TX ring (if used) * tx_ring_buffers * sizeof(pkt_desc) = logical channel #1 TX ring (if used)
* *
* Packet data buffers - starting from winbase + buff_offset: * Packet data buffers - starting from card->rambase + buff_offset:
* rx_ring_buffers * HDLC_MAX_MRU = logical channel #0 RX buffers * rx_ring_buffers * HDLC_MAX_MRU = logical channel #0 RX buffers
* tx_ring_buffers * HDLC_MAX_MRU = logical channel #0 TX buffers * tx_ring_buffers * HDLC_MAX_MRU = logical channel #0 TX buffers
* rx_ring_buffers * HDLC_MAX_MRU = logical channel #0 RX buffers (if used) * rx_ring_buffers * HDLC_MAX_MRU = logical channel #0 RX buffers (if used)
...@@ -47,16 +47,18 @@ ...@@ -47,16 +47,18 @@
#define NAPI_WEIGHT 16 #define NAPI_WEIGHT 16
#define get_msci(port) (phy_node(port) ? MSCI1_OFFSET : MSCI0_OFFSET) #define get_msci(port) (port->chan ? MSCI1_OFFSET : MSCI0_OFFSET)
#define get_dmac_rx(port) (phy_node(port) ? DMAC1RX_OFFSET : DMAC0RX_OFFSET) #define get_dmac_rx(port) (port->chan ? DMAC1RX_OFFSET : DMAC0RX_OFFSET)
#define get_dmac_tx(port) (phy_node(port) ? DMAC1TX_OFFSET : DMAC0TX_OFFSET) #define get_dmac_tx(port) (port->chan ? DMAC1TX_OFFSET : DMAC0TX_OFFSET)
static int sca_poll(struct napi_struct *napi, int budget); #define sca_in(reg, card) readb(card->scabase + (reg))
#define sca_out(value, reg, card) writeb(value, card->scabase + (reg))
#define sca_inw(reg, card) readw(card->scabase + (reg))
#define sca_outw(value, reg, card) writew(value, card->scabase + (reg))
#define sca_inl(reg, card) readl(card->scabase + (reg))
#define sca_outl(value, reg, card) writel(value, card->scabase + (reg))
static inline struct net_device *port_to_dev(port_t *port) static int sca_poll(struct napi_struct *napi, int budget);
{
return port->dev;
}
static inline port_t* dev_to_port(struct net_device *dev) static inline port_t* dev_to_port(struct net_device *dev)
{ {
...@@ -67,30 +69,29 @@ static inline void enable_intr(port_t *port) ...@@ -67,30 +69,29 @@ static inline void enable_intr(port_t *port)
{ {
/* enable DMIB and MSCI RXINTA interrupts */ /* enable DMIB and MSCI RXINTA interrupts */
sca_outl(sca_inl(IER0, port->card) | sca_outl(sca_inl(IER0, port->card) |
(phy_node(port) ? 0x08002200 : 0x00080022), IER0, port->card); (port->chan ? 0x08002200 : 0x00080022), IER0, port->card);
} }
static inline void disable_intr(port_t *port) static inline void disable_intr(port_t *port)
{ {
sca_outl(sca_inl(IER0, port->card) & sca_outl(sca_inl(IER0, port->card) &
(phy_node(port) ? 0x00FF00FF : 0xFF00FF00), IER0, port->card); (port->chan ? 0x00FF00FF : 0xFF00FF00), IER0, port->card);
} }
static inline u16 next_desc(port_t *port, u16 desc, int transmit) static inline u16 next_desc(port_t *port, u16 desc, int transmit)
{ {
return (desc + 1) % (transmit ? port_to_card(port)->tx_ring_buffers return (desc + 1) % (transmit ? port->card->tx_ring_buffers
: port_to_card(port)->rx_ring_buffers); : port->card->rx_ring_buffers);
} }
static inline u16 desc_abs_number(port_t *port, u16 desc, int transmit) static inline u16 desc_abs_number(port_t *port, u16 desc, int transmit)
{ {
u16 rx_buffs = port_to_card(port)->rx_ring_buffers; u16 rx_buffs = port->card->rx_ring_buffers;
u16 tx_buffs = port_to_card(port)->tx_ring_buffers; u16 tx_buffs = port->card->tx_ring_buffers;
desc %= (transmit ? tx_buffs : rx_buffs); // called with "X + 1" etc. desc %= (transmit ? tx_buffs : rx_buffs); // called with "X + 1" etc.
return log_node(port) * (rx_buffs + tx_buffs) + return port->chan * (rx_buffs + tx_buffs) + transmit * rx_buffs + desc;
transmit * rx_buffs + desc;
} }
...@@ -104,39 +105,39 @@ static inline u16 desc_offset(port_t *port, u16 desc, int transmit) ...@@ -104,39 +105,39 @@ static inline u16 desc_offset(port_t *port, u16 desc, int transmit)
static inline pkt_desc __iomem *desc_address(port_t *port, u16 desc, static inline pkt_desc __iomem *desc_address(port_t *port, u16 desc,
int transmit) int transmit)
{ {
return (pkt_desc __iomem *)(winbase(port_to_card(port)) return (pkt_desc __iomem *)(port->card->rambase +
+ desc_offset(port, desc, transmit)); desc_offset(port, desc, transmit));
} }
static inline u32 buffer_offset(port_t *port, u16 desc, int transmit) static inline u32 buffer_offset(port_t *port, u16 desc, int transmit)
{ {
return port_to_card(port)->buff_offset + return port->card->buff_offset +
desc_abs_number(port, desc, transmit) * (u32)HDLC_MAX_MRU; desc_abs_number(port, desc, transmit) * (u32)HDLC_MAX_MRU;
} }
static inline void sca_set_carrier(port_t *port) static inline void sca_set_carrier(port_t *port)
{ {
if (!(sca_in(get_msci(port) + ST3, port_to_card(port)) & ST3_DCD)) { if (!(sca_in(get_msci(port) + ST3, port->card) & ST3_DCD)) {
#ifdef DEBUG_LINK #ifdef DEBUG_LINK
printk(KERN_DEBUG "%s: sca_set_carrier on\n", printk(KERN_DEBUG "%s: sca_set_carrier on\n",
port_to_dev(port)->name); port->netdev.name);
#endif #endif
netif_carrier_on(port_to_dev(port)); netif_carrier_on(port->netdev);
} else { } else {
#ifdef DEBUG_LINK #ifdef DEBUG_LINK
printk(KERN_DEBUG "%s: sca_set_carrier off\n", printk(KERN_DEBUG "%s: sca_set_carrier off\n",
port_to_dev(port)->name); port->netdev.name);
#endif #endif
netif_carrier_off(port_to_dev(port)); netif_carrier_off(port->netdev);
} }
} }
static void sca_init_port(port_t *port) static void sca_init_port(port_t *port)
{ {
card_t *card = port_to_card(port); card_t *card = port->card;
int transmit, i; int transmit, i;
port->rxin = 0; port->rxin = 0;
...@@ -160,11 +161,11 @@ static void sca_init_port(port_t *port) ...@@ -160,11 +161,11 @@ static void sca_init_port(port_t *port)
} }
/* DMA disable - to halt state */ /* DMA disable - to halt state */
sca_out(0, transmit ? DSR_TX(phy_node(port)) : sca_out(0, transmit ? DSR_TX(port->chan) :
DSR_RX(phy_node(port)), card); DSR_RX(port->chan), card);
/* software ABORT - to initial state */ /* software ABORT - to initial state */
sca_out(DCR_ABORT, transmit ? DCR_TX(phy_node(port)) : sca_out(DCR_ABORT, transmit ? DCR_TX(port->chan) :
DCR_RX(phy_node(port)), card); DCR_RX(port->chan), card);
/* current desc addr */ /* current desc addr */
sca_outl(desc_offset(port, 0, transmit), dmac + CDAL, card); sca_outl(desc_offset(port, 0, transmit), dmac + CDAL, card);
...@@ -176,26 +177,26 @@ static void sca_init_port(port_t *port) ...@@ -176,26 +177,26 @@ static void sca_init_port(port_t *port)
card); card);
/* clear frame end interrupt counter */ /* clear frame end interrupt counter */
sca_out(DCR_CLEAR_EOF, transmit ? DCR_TX(phy_node(port)) : sca_out(DCR_CLEAR_EOF, transmit ? DCR_TX(port->chan) :
DCR_RX(phy_node(port)), card); DCR_RX(port->chan), card);
if (!transmit) { /* Receive */ if (!transmit) { /* Receive */
/* set buffer length */ /* set buffer length */
sca_outw(HDLC_MAX_MRU, dmac + BFLL, card); sca_outw(HDLC_MAX_MRU, dmac + BFLL, card);
/* Chain mode, Multi-frame */ /* Chain mode, Multi-frame */
sca_out(0x14, DMR_RX(phy_node(port)), card); sca_out(0x14, DMR_RX(port->chan), card);
sca_out(DIR_EOME, DIR_RX(phy_node(port)), card); sca_out(DIR_EOME, DIR_RX(port->chan), card);
/* DMA enable */ /* DMA enable */
sca_out(DSR_DE, DSR_RX(phy_node(port)), card); sca_out(DSR_DE, DSR_RX(port->chan), card);
} else { /* Transmit */ } else { /* Transmit */
/* Chain mode, Multi-frame */ /* Chain mode, Multi-frame */
sca_out(0x14, DMR_TX(phy_node(port)), card); sca_out(0x14, DMR_TX(port->chan), card);
/* enable underflow interrupts */ /* enable underflow interrupts */
sca_out(DIR_EOME, DIR_TX(phy_node(port)), card); sca_out(DIR_EOME, DIR_TX(port->chan), card);
} }
} }
sca_set_carrier(port); sca_set_carrier(port);
netif_napi_add(port_to_dev(port), &port->napi, sca_poll, NAPI_WEIGHT); netif_napi_add(port->netdev, &port->napi, sca_poll, NAPI_WEIGHT);
} }
...@@ -203,7 +204,7 @@ static void sca_init_port(port_t *port) ...@@ -203,7 +204,7 @@ static void sca_init_port(port_t *port)
static inline void sca_msci_intr(port_t *port) static inline void sca_msci_intr(port_t *port)
{ {
u16 msci = get_msci(port); u16 msci = get_msci(port);
card_t* card = port_to_card(port); card_t* card = port->card;
if (sca_in(msci + ST1, card) & ST1_CDCD) { if (sca_in(msci + ST1, card) & ST1_CDCD) {
/* Reset MSCI CDCD status bit */ /* Reset MSCI CDCD status bit */
...@@ -216,7 +217,7 @@ static inline void sca_msci_intr(port_t *port) ...@@ -216,7 +217,7 @@ static inline void sca_msci_intr(port_t *port)
static inline void sca_rx(card_t *card, port_t *port, pkt_desc __iomem *desc, static inline void sca_rx(card_t *card, port_t *port, pkt_desc __iomem *desc,
u16 rxin) u16 rxin)
{ {
struct net_device *dev = port_to_dev(port); struct net_device *dev = port->netdev;
struct sk_buff *skb; struct sk_buff *skb;
u16 len; u16 len;
u32 buff; u32 buff;
...@@ -229,7 +230,7 @@ static inline void sca_rx(card_t *card, port_t *port, pkt_desc __iomem *desc, ...@@ -229,7 +230,7 @@ static inline void sca_rx(card_t *card, port_t *port, pkt_desc __iomem *desc,
} }
buff = buffer_offset(port, rxin, 0); buff = buffer_offset(port, rxin, 0);
memcpy_fromio(skb->data, winbase(card) + buff, len); memcpy_fromio(skb->data, card->rambase + buff, len);
skb_put(skb, len); skb_put(skb, len);
#ifdef DEBUG_PKT #ifdef DEBUG_PKT
...@@ -246,15 +247,15 @@ static inline void sca_rx(card_t *card, port_t *port, pkt_desc __iomem *desc, ...@@ -246,15 +247,15 @@ static inline void sca_rx(card_t *card, port_t *port, pkt_desc __iomem *desc,
/* Receive DMA service */ /* Receive DMA service */
static inline int sca_rx_done(port_t *port, int budget) static inline int sca_rx_done(port_t *port, int budget)
{ {
struct net_device *dev = port_to_dev(port); struct net_device *dev = port->netdev;
u16 dmac = get_dmac_rx(port); u16 dmac = get_dmac_rx(port);
card_t *card = port_to_card(port); card_t *card = port->card;
u8 stat = sca_in(DSR_RX(phy_node(port)), card); /* read DMA Status */ u8 stat = sca_in(DSR_RX(port->chan), card); /* read DMA Status */
int received = 0; int received = 0;
/* Reset DSR status bits */ /* Reset DSR status bits */
sca_out((stat & (DSR_EOT | DSR_EOM | DSR_BOF | DSR_COF)) | DSR_DWE, sca_out((stat & (DSR_EOT | DSR_EOM | DSR_BOF | DSR_COF)) | DSR_DWE,
DSR_RX(phy_node(port)), card); DSR_RX(port->chan), card);
if (stat & DSR_BOF) if (stat & DSR_BOF)
/* Dropped one or more frames */ /* Dropped one or more frames */
...@@ -294,7 +295,7 @@ static inline int sca_rx_done(port_t *port, int budget) ...@@ -294,7 +295,7 @@ static inline int sca_rx_done(port_t *port, int budget)
} }
/* make sure RX DMA is enabled */ /* make sure RX DMA is enabled */
sca_out(DSR_DE, DSR_RX(phy_node(port)), card); sca_out(DSR_DE, DSR_RX(port->chan), card);
return received; return received;
} }
...@@ -302,17 +303,17 @@ static inline int sca_rx_done(port_t *port, int budget) ...@@ -302,17 +303,17 @@ static inline int sca_rx_done(port_t *port, int budget)
/* Transmit DMA service */ /* Transmit DMA service */
static inline void sca_tx_done(port_t *port) static inline void sca_tx_done(port_t *port)
{ {
struct net_device *dev = port_to_dev(port); struct net_device *dev = port->netdev;
card_t* card = port_to_card(port); card_t* card = port->card;
u8 stat; u8 stat;
spin_lock(&port->lock); spin_lock(&port->lock);
stat = sca_in(DSR_TX(phy_node(port)), card); /* read DMA Status */ stat = sca_in(DSR_TX(port->chan), card); /* read DMA Status */
/* Reset DSR status bits */ /* Reset DSR status bits */
sca_out((stat & (DSR_EOT | DSR_EOM | DSR_BOF | DSR_COF)) | DSR_DWE, sca_out((stat & (DSR_EOT | DSR_EOM | DSR_BOF | DSR_COF)) | DSR_DWE,
DSR_TX(phy_node(port)), card); DSR_TX(port->chan), card);
while (1) { while (1) {
pkt_desc __iomem *desc = desc_address(port, port->txlast, 1); pkt_desc __iomem *desc = desc_address(port, port->txlast, 1);
...@@ -342,17 +343,17 @@ static int sca_poll(struct napi_struct *napi, int budget) ...@@ -342,17 +343,17 @@ static int sca_poll(struct napi_struct *napi, int budget)
u32 isr0 = sca_inl(ISR0, port->card); u32 isr0 = sca_inl(ISR0, port->card);
int received = 0; int received = 0;
if (isr0 & (port->phy_node ? 0x08000000 : 0x00080000)) if (isr0 & (port->chan ? 0x08000000 : 0x00080000))
sca_msci_intr(port); sca_msci_intr(port);
if (isr0 & (port->phy_node ? 0x00002000 : 0x00000020)) if (isr0 & (port->chan ? 0x00002000 : 0x00000020))
sca_tx_done(port); sca_tx_done(port);
if (isr0 & (port->phy_node ? 0x00000200 : 0x00000002)) if (isr0 & (port->chan ? 0x00000200 : 0x00000002))
received = sca_rx_done(port, budget); received = sca_rx_done(port, budget);
if (received < budget) { if (received < budget) {
netif_rx_complete(port->dev, napi); netif_rx_complete(port->netdev, napi);
enable_intr(port); enable_intr(port);
} }
...@@ -370,7 +371,7 @@ static irqreturn_t sca_intr(int irq, void *dev_id) ...@@ -370,7 +371,7 @@ static irqreturn_t sca_intr(int irq, void *dev_id)
if (port && (isr0 & (i ? 0x08002200 : 0x00080022))) { if (port && (isr0 & (i ? 0x08002200 : 0x00080022))) {
handled = 1; handled = 1;
disable_intr(port); disable_intr(port);
netif_rx_schedule(port->dev, &port->napi); netif_rx_schedule(port->netdev, &port->napi);
} }
} }
...@@ -380,7 +381,7 @@ static irqreturn_t sca_intr(int irq, void *dev_id) ...@@ -380,7 +381,7 @@ static irqreturn_t sca_intr(int irq, void *dev_id)
static void sca_set_port(port_t *port) static void sca_set_port(port_t *port)
{ {
card_t* card = port_to_card(port); card_t* card = port->card;
u16 msci = get_msci(port); u16 msci = get_msci(port);
u8 md2 = sca_in(msci + MD2, card); u8 md2 = sca_in(msci + MD2, card);
unsigned int tmc, br = 10, brv = 1024; unsigned int tmc, br = 10, brv = 1024;
...@@ -435,7 +436,7 @@ static void sca_set_port(port_t *port) ...@@ -435,7 +436,7 @@ static void sca_set_port(port_t *port)
static void sca_open(struct net_device *dev) static void sca_open(struct net_device *dev)
{ {
port_t *port = dev_to_port(dev); port_t *port = dev_to_port(dev);
card_t* card = port_to_card(port); card_t* card = port->card;
u16 msci = get_msci(port); u16 msci = get_msci(port);
u8 md0, md2; u8 md0, md2;
...@@ -496,7 +497,7 @@ static void sca_close(struct net_device *dev) ...@@ -496,7 +497,7 @@ static void sca_close(struct net_device *dev)
port_t *port = dev_to_port(dev); port_t *port = dev_to_port(dev);
/* reset channel */ /* reset channel */
sca_out(CMD_RESET, get_msci(port) + CMD, port_to_card(port)); sca_out(CMD_RESET, get_msci(port) + CMD, port->card);
disable_intr(port); disable_intr(port);
napi_disable(&port->napi); napi_disable(&port->napi);
netif_stop_queue(dev); netif_stop_queue(dev);
...@@ -530,25 +531,25 @@ static int sca_attach(struct net_device *dev, unsigned short encoding, ...@@ -530,25 +531,25 @@ static int sca_attach(struct net_device *dev, unsigned short encoding,
static void sca_dump_rings(struct net_device *dev) static void sca_dump_rings(struct net_device *dev)
{ {
port_t *port = dev_to_port(dev); port_t *port = dev_to_port(dev);
card_t *card = port_to_card(port); card_t *card = port->card;
u16 cnt; u16 cnt;
printk(KERN_DEBUG "RX ring: CDA=%u EDA=%u DSR=%02X in=%u %sactive", printk(KERN_DEBUG "RX ring: CDA=%u EDA=%u DSR=%02X in=%u %sactive",
sca_inl(get_dmac_rx(port) + CDAL, card), sca_inl(get_dmac_rx(port) + CDAL, card),
sca_inl(get_dmac_rx(port) + EDAL, card), sca_inl(get_dmac_rx(port) + EDAL, card),
sca_in(DSR_RX(phy_node(port)), card), port->rxin, sca_in(DSR_RX(port->chan), card), port->rxin,
sca_in(DSR_RX(phy_node(port)), card) & DSR_DE ? "" : "in"); sca_in(DSR_RX(port->chan), card) & DSR_DE ? "" : "in");
for (cnt = 0; cnt < port_to_card(port)->rx_ring_buffers; cnt++) for (cnt = 0; cnt < port->card->rx_ring_buffers; cnt++)
printk(" %02X", readb(&(desc_address(port, cnt, 0)->stat))); printk(" %02X", readb(&(desc_address(port, cnt, 0)->stat)));
printk("\n" KERN_DEBUG "TX ring: CDA=%u EDA=%u DSR=%02X in=%u " printk("\n" KERN_DEBUG "TX ring: CDA=%u EDA=%u DSR=%02X in=%u "
"last=%u %sactive", "last=%u %sactive",
sca_inl(get_dmac_tx(port) + CDAL, card), sca_inl(get_dmac_tx(port) + CDAL, card),
sca_inl(get_dmac_tx(port) + EDAL, card), sca_inl(get_dmac_tx(port) + EDAL, card),
sca_in(DSR_TX(phy_node(port)), card), port->txin, port->txlast, sca_in(DSR_TX(port->chan), card), port->txin, port->txlast,
sca_in(DSR_TX(phy_node(port)), card) & DSR_DE ? "" : "in"); sca_in(DSR_TX(port->chan), card) & DSR_DE ? "" : "in");
for (cnt = 0; cnt < port_to_card(port)->tx_ring_buffers; cnt++) for (cnt = 0; cnt < port->card->tx_ring_buffers; cnt++)
printk(" %02X", readb(&(desc_address(port, cnt, 1)->stat))); printk(" %02X", readb(&(desc_address(port, cnt, 1)->stat)));
printk("\n"); printk("\n");
...@@ -575,7 +576,7 @@ static void sca_dump_rings(struct net_device *dev) ...@@ -575,7 +576,7 @@ static void sca_dump_rings(struct net_device *dev)
static int sca_xmit(struct sk_buff *skb, struct net_device *dev) static int sca_xmit(struct sk_buff *skb, struct net_device *dev)
{ {
port_t *port = dev_to_port(dev); port_t *port = dev_to_port(dev);
card_t *card = port_to_card(port); card_t *card = port->card;
pkt_desc __iomem *desc; pkt_desc __iomem *desc;
u32 buff, len; u32 buff, len;
...@@ -592,7 +593,7 @@ static int sca_xmit(struct sk_buff *skb, struct net_device *dev) ...@@ -592,7 +593,7 @@ static int sca_xmit(struct sk_buff *skb, struct net_device *dev)
desc = desc_address(port, port->txin, 1); desc = desc_address(port, port->txin, 1);
buff = buffer_offset(port, port->txin, 1); buff = buffer_offset(port, port->txin, 1);
len = skb->len; len = skb->len;
memcpy_toio(winbase(card) + buff, skb->data, len); memcpy_toio(card->rambase + buff, skb->data, len);
writew(len, &desc->len); writew(len, &desc->len);
writeb(ST_TX_EOM, &desc->stat); writeb(ST_TX_EOM, &desc->stat);
...@@ -602,7 +603,7 @@ static int sca_xmit(struct sk_buff *skb, struct net_device *dev) ...@@ -602,7 +603,7 @@ static int sca_xmit(struct sk_buff *skb, struct net_device *dev)
sca_outl(desc_offset(port, port->txin, 1), sca_outl(desc_offset(port, port->txin, 1),
get_dmac_tx(port) + EDAL, card); get_dmac_tx(port) + EDAL, card);
sca_out(DSR_DE, DSR_TX(phy_node(port)), card); /* Enable TX DMA */ sca_out(DSR_DE, DSR_TX(port->chan), card); /* Enable TX DMA */
desc = desc_address(port, port->txin + 1, 1); desc = desc_address(port, port->txin + 1, 1);
if (readb(&desc->stat)) /* allow 1 packet gap */ if (readb(&desc->stat)) /* allow 1 packet gap */
......
drivers/net/wan/pc300too.c
View file @ 61e0a6a2
/* /*
* Cyclades PC300 synchronous serial card driver for Linux * Cyclades PC300 synchronous serial card driver for Linux
* *
* Copyright (C) 2000-2007 Krzysztof Halasa <khc@pm.waw.pl> * Copyright (C) 2000-2008 Krzysztof Halasa <khc@pm.waw.pl>
* *
* This program is free software; you can redistribute it and/or modify it * This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License * under the terms of version 2 of the GNU General Public License
...@@ -11,7 +11,7 @@ ...@@ -11,7 +11,7 @@
* *
* Sources of information: * Sources of information:
* Hitachi HD64572 SCA-II User's Manual * Hitachi HD64572 SCA-II User's Manual
* Cyclades PC300 Linux driver * Original Cyclades PC300 Linux driver
* *
* This driver currently supports only PC300/RSV (V.24/V.35) and * This driver currently supports only PC300/RSV (V.24/V.35) and
* PC300/X21 cards. * PC300/X21 cards.
...@@ -76,7 +76,7 @@ typedef struct { ...@@ -76,7 +76,7 @@ typedef struct {
typedef struct port_s { typedef struct port_s {
struct napi_struct napi; struct napi_struct napi;
struct net_device *dev; struct net_device *netdev;
struct card_s *card; struct card_s *card;
spinlock_t lock; /* TX lock */ spinlock_t lock; /* TX lock */
sync_serial_settings settings; sync_serial_settings settings;
...@@ -88,7 +88,7 @@ typedef struct port_s { ...@@ -88,7 +88,7 @@ typedef struct port_s {
u16 txin; /* tx ring buffer 'in' and 'last' pointers */ u16 txin; /* tx ring buffer 'in' and 'last' pointers */
u16 txlast; u16 txlast;
u8 rxs, txs, tmc; /* SCA registers */ u8 rxs, txs, tmc; /* SCA registers */
u8 phy_node; /* physical port # - 0 or 1 */ u8 chan; /* physical port # - 0 or 1 */
}port_t; }port_t;
...@@ -109,17 +109,6 @@ typedef struct card_s { ...@@ -109,17 +109,6 @@ typedef struct card_s {
}card_t; }card_t;
#define sca_in(reg, card) readb(card->scabase + (reg))
#define sca_out(value, reg, card) writeb(value, card->scabase + (reg))
#define sca_inw(reg, card) readw(card->scabase + (reg))
#define sca_outw(value, reg, card) writew(value, card->scabase + (reg))
#define sca_inl(reg, card) readl(card->scabase + (reg))
#define sca_outl(value, reg, card) writel(value, card->scabase + (reg))
#define port_to_card(port) (port->card)
#define log_node(port) (port->phy_node)
#define phy_node(port) (port->phy_node)
#define winbase(card) (card->rambase)
#define get_port(card, port) ((port) < (card)->n_ports ? \ #define get_port(card, port) ((port) < (card)->n_ports ? \
(&(card)->ports[port]) : (NULL)) (&(card)->ports[port]) : (NULL))
...@@ -134,8 +123,8 @@ static void pc300_set_iface(port_t *port) ...@@ -134,8 +123,8 @@ static void pc300_set_iface(port_t *port)
u8 rxs = port->rxs & CLK_BRG_MASK; u8 rxs = port->rxs & CLK_BRG_MASK;
u8 txs = port->txs & CLK_BRG_MASK; u8 txs = port->txs & CLK_BRG_MASK;
sca_out(EXS_TES1, (phy_node(port) ? MSCI1_OFFSET : MSCI0_OFFSET) + EXS, sca_out(EXS_TES1, (port->chan ? MSCI1_OFFSET : MSCI0_OFFSET) + EXS,
port_to_card(port)); port->card);
switch(port->settings.clock_type) { switch(port->settings.clock_type) {
case CLOCK_INT: case CLOCK_INT:
rxs |= CLK_BRG; /* BRG output */ rxs |= CLK_BRG; /* BRG output */
...@@ -167,10 +156,10 @@ static void pc300_set_iface(port_t *port) ...@@ -167,10 +156,10 @@ static void pc300_set_iface(port_t *port)
if (port->card->type == PC300_RSV) { if (port->card->type == PC300_RSV) {
if (port->iface == IF_IFACE_V35) if (port->iface == IF_IFACE_V35)
writel(card->init_ctrl_value | writel(card->init_ctrl_value |
PC300_CHMEDIA_MASK(port->phy_node), init_ctrl); PC300_CHMEDIA_MASK(port->chan), init_ctrl);
else else
writel(card->init_ctrl_value & writel(card->init_ctrl_value &
~PC300_CHMEDIA_MASK(port->phy_node), init_ctrl); ~PC300_CHMEDIA_MASK(port->chan), init_ctrl);
} }
} }
...@@ -275,10 +264,8 @@ static void pc300_pci_remove_one(struct pci_dev *pdev) ...@@ -275,10 +264,8 @@ static void pc300_pci_remove_one(struct pci_dev *pdev)
card_t *card = pci_get_drvdata(pdev); card_t *card = pci_get_drvdata(pdev);
for (i = 0; i < 2; i++) for (i = 0; i < 2; i++)
if (card->ports[i].card) { if (card->ports[i].card)
struct net_device *dev = port_to_dev(&card->ports[i]); unregister_hdlc_device(card->ports[i].netdev);
unregister_hdlc_device(dev);
}
if (card->irq) if (card->irq)
free_irq(card->irq, card); free_irq(card->irq, card);
...@@ -293,10 +280,10 @@ static void pc300_pci_remove_one(struct pci_dev *pdev) ...@@ -293,10 +280,10 @@ static void pc300_pci_remove_one(struct pci_dev *pdev)
pci_release_regions(pdev); pci_release_regions(pdev);
pci_disable_device(pdev); pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL); pci_set_drvdata(pdev, NULL);
if (card->ports[0].dev) if (card->ports[0].netdev)
free_netdev(card->ports[0].dev); free_netdev(card->ports[0].netdev);
if (card->ports[1].dev) if (card->ports[1].netdev)
free_netdev(card->ports[1].dev); free_netdev(card->ports[1].netdev);
kfree(card); kfree(card);
} }
...@@ -347,7 +334,7 @@ static int __devinit pc300_pci_init_one(struct pci_dev *pdev, ...@@ -347,7 +334,7 @@ static int __devinit pc300_pci_init_one(struct pci_dev *pdev,
card->n_ports = 2; card->n_ports = 2;
for (i = 0; i < card->n_ports; i++) for (i = 0; i < card->n_ports; i++)
if (!(card->ports[i].dev = alloc_hdlcdev(&card->ports[i]))) { if (!(card->ports[i].netdev = alloc_hdlcdev(&card->ports[i]))) {
printk(KERN_ERR "pc300: unable to allocate memory\n"); printk(KERN_ERR "pc300: unable to allocate memory\n");
pc300_pci_remove_one(pdev); pc300_pci_remove_one(pdev);
return -ENOMEM; return -ENOMEM;
...@@ -452,9 +439,9 @@ static int __devinit pc300_pci_init_one(struct pci_dev *pdev, ...@@ -452,9 +439,9 @@ static int __devinit pc300_pci_init_one(struct pci_dev *pdev,
for (i = 0; i < card->n_ports; i++) { for (i = 0; i < card->n_ports; i++) {
port_t *port = &card->ports[i]; port_t *port = &card->ports[i];
struct net_device *dev = port_to_dev(port); struct net_device *dev = port->netdev;
hdlc_device *hdlc = dev_to_hdlc(dev); hdlc_device *hdlc = dev_to_hdlc(dev);
port->phy_node = i; port->chan = i;
spin_lock_init(&port->lock); spin_lock_init(&port->lock);
dev->irq = card->irq; dev->irq = card->irq;
...@@ -482,8 +469,8 @@ static int __devinit pc300_pci_init_one(struct pci_dev *pdev, ...@@ -482,8 +469,8 @@ static int __devinit pc300_pci_init_one(struct pci_dev *pdev,
return -ENOBUFS; return -ENOBUFS;
} }
printk(KERN_INFO "%s: PC300 node %d\n", printk(KERN_INFO "%s: PC300 channel %d\n",
dev->name, port->phy_node); dev->name, port->chan);
} }
return 0; return 0;
} }
......
drivers/net/wan/pci200syn.c
View file @ 61e0a6a2
/* /*
* Goramo PCI200SYN synchronous serial card driver for Linux * Goramo PCI200SYN synchronous serial card driver for Linux
* *
* Copyright (C) 2002-2003 Krzysztof Halasa <khc@pm.waw.pl> * Copyright (C) 2002-2008 Krzysztof Halasa <khc@pm.waw.pl>
* *
* This program is free software; you can redistribute it and/or modify it * This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License * under the terms of version 2 of the GNU General Public License
...@@ -63,7 +63,7 @@ typedef struct { ...@@ -63,7 +63,7 @@ typedef struct {
typedef struct port_s { typedef struct port_s {
struct napi_struct napi; struct napi_struct napi;
struct net_device *dev; struct net_device *netdev;
struct card_s *card; struct card_s *card;
spinlock_t lock; /* TX lock */ spinlock_t lock; /* TX lock */
sync_serial_settings settings; sync_serial_settings settings;
...@@ -74,7 +74,7 @@ typedef struct port_s { ...@@ -74,7 +74,7 @@ typedef struct port_s {
u16 txin; /* tx ring buffer 'in' and 'last' pointers */ u16 txin; /* tx ring buffer 'in' and 'last' pointers */
u16 txlast; u16 txlast;
u8 rxs, txs, tmc; /* SCA registers */ u8 rxs, txs, tmc; /* SCA registers */
u8 phy_node; /* physical port # - 0 or 1 */ u8 chan; /* physical port # - 0 or 1 */
}port_t; }port_t;
...@@ -92,17 +92,6 @@ typedef struct card_s { ...@@ -92,17 +92,6 @@ typedef struct card_s {
}card_t; }card_t;
#define sca_in(reg, card) readb(card->scabase + (reg))
#define sca_out(value, reg, card) writeb(value, card->scabase + (reg))
#define sca_inw(reg, card) readw(card->scabase + (reg))
#define sca_outw(value, reg, card) writew(value, card->scabase + (reg))
#define sca_inl(reg, card) readl(card->scabase + (reg))
#define sca_outl(value, reg, card) writel(value, card->scabase + (reg))
#define port_to_card(port) (port->card)
#define log_node(port) (port->phy_node)
#define phy_node(port) (port->phy_node)
#define winbase(card) (card->rambase)
#define get_port(card, port) (&card->ports[port]) #define get_port(card, port) (&card->ports[port])
#define sca_flush(card) (sca_in(IER0, card)); #define sca_flush(card) (sca_in(IER0, card));
...@@ -132,8 +121,8 @@ static void pci200_set_iface(port_t *port) ...@@ -132,8 +121,8 @@ static void pci200_set_iface(port_t *port)
u8 rxs = port->rxs & CLK_BRG_MASK; u8 rxs = port->rxs & CLK_BRG_MASK;
u8 txs = port->txs & CLK_BRG_MASK; u8 txs = port->txs & CLK_BRG_MASK;
sca_out(EXS_TES1, (phy_node(port) ? MSCI1_OFFSET : MSCI0_OFFSET) + EXS, sca_out(EXS_TES1, (port->chan ? MSCI1_OFFSET : MSCI0_OFFSET) + EXS,
port_to_card(port)); port->card);
switch(port->settings.clock_type) { switch(port->settings.clock_type) {
case CLOCK_INT: case CLOCK_INT:
rxs |= CLK_BRG; /* BRG output */ rxs |= CLK_BRG; /* BRG output */
...@@ -175,7 +164,7 @@ static int pci200_open(struct net_device *dev) ...@@ -175,7 +164,7 @@ static int pci200_open(struct net_device *dev)
sca_open(dev); sca_open(dev);
pci200_set_iface(port); pci200_set_iface(port);
sca_flush(port_to_card(port)); sca_flush(port->card);
return 0; return 0;
} }
...@@ -184,7 +173,7 @@ static int pci200_open(struct net_device *dev) ...@@ -184,7 +173,7 @@ static int pci200_open(struct net_device *dev)
static int pci200_close(struct net_device *dev) static int pci200_close(struct net_device *dev)
{ {
sca_close(dev); sca_close(dev);
sca_flush(port_to_card(dev_to_port(dev))); sca_flush(dev_to_port(dev)->card);
hdlc_close(dev); hdlc_close(dev);
return 0; return 0;
} }
...@@ -237,7 +226,7 @@ static int pci200_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) ...@@ -237,7 +226,7 @@ static int pci200_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
memcpy(&port->settings, &new_line, size); /* Update settings */ memcpy(&port->settings, &new_line, size); /* Update settings */
pci200_set_iface(port); pci200_set_iface(port);
sca_flush(port_to_card(port)); sca_flush(port->card);
return 0; return 0;
default: default:
...@@ -253,10 +242,8 @@ static void pci200_pci_remove_one(struct pci_dev *pdev) ...@@ -253,10 +242,8 @@ static void pci200_pci_remove_one(struct pci_dev *pdev)
card_t *card = pci_get_drvdata(pdev); card_t *card = pci_get_drvdata(pdev);
for (i = 0; i < 2; i++) for (i = 0; i < 2; i++)
if (card->ports[i].card) { if (card->ports[i].card)
struct net_device *dev = port_to_dev(&card->ports[i]); unregister_hdlc_device(card->ports[i].netdev);
unregister_hdlc_device(dev);
}
if (card->irq) if (card->irq)
free_irq(card->irq, card); free_irq(card->irq, card);
...@@ -271,10 +258,10 @@ static void pci200_pci_remove_one(struct pci_dev *pdev) ...@@ -271,10 +258,10 @@ static void pci200_pci_remove_one(struct pci_dev *pdev)
pci_release_regions(pdev); pci_release_regions(pdev);
pci_disable_device(pdev); pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL); pci_set_drvdata(pdev, NULL);
if (card->ports[0].dev) if (card->ports[0].netdev)
free_netdev(card->ports[0].dev); free_netdev(card->ports[0].netdev);
if (card->ports[1].dev) if (card->ports[1].netdev)
free_netdev(card->ports[1].dev); free_netdev(card->ports[1].netdev);
kfree(card); kfree(card);
} }
...@@ -309,9 +296,9 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev, ...@@ -309,9 +296,9 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev,
return -ENOBUFS; return -ENOBUFS;
} }
pci_set_drvdata(pdev, card); pci_set_drvdata(pdev, card);
card->ports[0].dev = alloc_hdlcdev(&card->ports[0]); card->ports[0].netdev = alloc_hdlcdev(&card->ports[0]);
card->ports[1].dev = alloc_hdlcdev(&card->ports[1]); card->ports[1].netdev = alloc_hdlcdev(&card->ports[1]);
if (!card->ports[0].dev || !card->ports[1].dev) { if (!card->ports[0].netdev || !card->ports[1].netdev) {
printk(KERN_ERR "pci200syn: unable to allocate memory\n"); printk(KERN_ERR "pci200syn: unable to allocate memory\n");
pci200_pci_remove_one(pdev); pci200_pci_remove_one(pdev);
return -ENOMEM; return -ENOMEM;
...@@ -399,9 +386,9 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev, ...@@ -399,9 +386,9 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev,
for (i = 0; i < 2; i++) { for (i = 0; i < 2; i++) {
port_t *port = &card->ports[i]; port_t *port = &card->ports[i];
struct net_device *dev = port_to_dev(port); struct net_device *dev = port->netdev;
hdlc_device *hdlc = dev_to_hdlc(dev); hdlc_device *hdlc = dev_to_hdlc(dev);
port->phy_node = i; port->chan = i;
spin_lock_init(&port->lock); spin_lock_init(&port->lock);
dev->irq = card->irq; dev->irq = card->irq;
...@@ -424,8 +411,8 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev, ...@@ -424,8 +411,8 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev,
return -ENOBUFS; return -ENOBUFS;
} }
printk(KERN_INFO "%s: PCI200SYN node %d\n", printk(KERN_INFO "%s: PCI200SYN channel %d\n",
dev->name, port->phy_node); dev->name, port->chan);
} }
sca_flush(card); sca_flush(card);
......
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