static void pxa250_start_rx_dma(struct net_device *dev)
{
struct pxa250_irda *si = dev->priv;
int ch=si->rxdma_ch;
if (!si->rxskb) {
DBG("rx buffer went missing\n");
/* return; */
}
DCSR(ch)=0;
DCSR(ch)=DCSR_NODESC;
DSADR(ch) = __PREG(ICDR);
DTADR(ch) = si->rxbuf_dma; /* phisical address */;
/* We should never do END_IRQ. !!!*/
DCMD(ch) = DCMD_ENDIRQEN| DCMD_INCTRGADDR | DCMD_FLOWSRC | DCMD_BURST8 | DCMD_WIDTH1 | HPSIR_MAX_RXLEN;
/*
* All right information will be available as soon as we set RXE flag
*/
DCSR(ch) = DCSR_ENDINTR | DCSR_BUSERR;
DCSR(ch) = DCSR_RUN | DCSR_NODESC ;
}
/**
* ssp_exit - undo the effects of ssp_init
*
* release and free resources for the SSP port.
*/
void ssp_exit(void)
{
Ser4SSCR0 &= ~SSCR0_SSE;
free_irq(IRQ_Ser4SSP, NULL);
release_mem_region(__PREG(Ser4SSCR0), 0x18);
}
inline static void pxa_irda_fir_dma_rx_start(struct pxa_irda *si)
{
DCSR(si->rxdma) = DCSR_NODESC;
DSADR(si->rxdma) = __PREG(ICDR);
DTADR(si->rxdma) = si->dma_rx_buff_phy;
DCMD(si->rxdma) = DCMD_INCTRGADDR | DCMD_FLOWSRC | DCMD_WIDTH1 | DCMD_BURST32 | IRDA_FRAME_SIZE_LIMIT;
DCSR(si->rxdma) |= DCSR_RUN;
}
inline static void pxa_irda_fir_dma_tx_start(struct pxa_irda *si)
{
DCSR(si->txdma) = DCSR_NODESC;
DSADR(si->txdma) = si->dma_tx_buff_phy;
DTADR(si->txdma) = __PREG(ICDR);
DCMD(si->txdma) = DCMD_INCSRCADDR | DCMD_FLOWTRG | DCMD_ENDIRQEN | DCMD_WIDTH1 | DCMD_BURST32 | si->dma_tx_buff_len;
DCSR(si->txdma) |= DCSR_RUN;
}
static int pxa_irda_remove(struct platform_device *_dev)
{
struct net_device *dev = platform_get_drvdata(_dev);
if (dev) {
struct pxa_irda *si = netdev_priv(dev);
unregister_netdev(dev);
kfree(si->tx_buff.head);
kfree(si->rx_buff.head);
free_netdev(dev);
}
release_mem_region(__PREG(STUART), 0x24);
release_mem_region(__PREG(FICP), 0x1c);
return 0;
}
static int sa1100_irda_remove(struct platform_device *pdev)
{
struct net_device *dev = platform_get_drvdata(pdev);
if (dev) {
struct sa1100_irda *si = dev->priv;
unregister_netdev(dev);
kfree(si->tx_buff.head);
kfree(si->rx_buff.head);
free_netdev(dev);
}
release_mem_region(__PREG(Ser2HSCR2), 0x04);
release_mem_region(__PREG(Ser2HSCR0), 0x1c);
release_mem_region(__PREG(Ser2UTCR0), 0x24);
return 0;
}
/*
* On Assabet, we must probe for the Neponset board _before_
* paging_init() has occurred to actually determine the amount
* of RAM available. To do so, we map the appropriate IO section
* in the page table here in order to access GPIO registers.
*/
static void __init map_sa1100_gpio_regs( void )
{
unsigned long phys = __PREG(GPLR) & PMD_MASK;
unsigned long virt = io_p2v(phys);
int prot = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_DOMAIN(DOMAIN_IO);
pmd_t pmd;
pmd_val(pmd) = phys | prot;
set_pmd(pmd_offset(pgd_offset_k(virt), virt), pmd);
}
/**
* ssp_init - setup the SSP port
*
* initialise and claim resources for the SSP port.
*
* Returns:
* %-ENODEV if the SSP port is unavailable
* %-EBUSY if the resources are already in use
* %0 on success
*/
int ssp_init(struct ssp_dev *dev, u32 port, u32 init_flags)
{
int ret;
if (port > PXA_SSP_PORTS || port == 0)
return -ENODEV;
mutex_lock(&mutex);
if (use_count[port - 1]) {
mutex_unlock(&mutex);
return -EBUSY;
}
use_count[port - 1]++;
if (!request_mem_region(__PREG(SSCR0_P(port)), 0x2c, "SSP")) {
use_count[port - 1]--;
mutex_unlock(&mutex);
return -EBUSY;
}
dev->port = port;
/* do we need to get irq */
if (!(init_flags & SSP_NO_IRQ)) {
ret = request_irq(ssp_info[port-1].irq, ssp_interrupt,
0, "SSP", dev);
if (ret)
goto out_region;
dev->irq = ssp_info[port-1].irq;
} else
dev->irq = 0;
/* turn on SSP port clock */
pxa_set_cken(ssp_info[port-1].clock, 1);
mutex_unlock(&mutex);
return 0;
out_region:
release_mem_region(__PREG(SSCR0_P(port)), 0x2c);
use_count[port - 1]--;
mutex_unlock(&mutex);
return ret;
}
/*
* On Assabet, we must probe for the Neponset board _before_
* paging_init() has occurred to actually determine the amount
* of RAM available. To do so, we map the appropriate IO section
* in the page table here in order to access GPIO registers.
*/
static void __init map_sa1100_gpio_regs( void )
{
unsigned long phys = __PREG(GPLR) & PMD_MASK;
unsigned long virt = (unsigned long)io_p2v(phys);
int prot = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_DOMAIN(DOMAIN_IO);
pmd_t *pmd;
pmd = pmd_offset(pud_offset(pgd_offset_k(virt), virt), virt);
*pmd = __pmd(phys | prot);
flush_pmd_entry(pmd);
}
static int __init pxa250_irda_init(void)
{
struct net_device *dev;
int err;
/* STUART */
err = request_mem_region(__PREG(STRBR), 0x24, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_1;
/* FIR */
err = request_mem_region(__PREG(ICCR0), 0x1c, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_2;
rtnl_lock();
dev = dev_alloc("irda%d", &err);
if (dev) {
dev->irq = IRQ_STUART;
dev->init = pxa250_irda_net_init;
dev->uninit = pxa250_irda_net_uninit;
err = register_netdevice(dev);
if (err)
kfree(dev);
else
netdev = dev;
}
rtnl_unlock();
if (err) {
release_mem_region(__PREG(ICCR0), 0x1c);
err_mem_2:
release_mem_region(__PREG(STRBR), 0x24);
}
err_mem_1:
return err;
}
static void __exit pxa250_irda_exit(void)
{
struct net_device *dev = netdev;
netdev = NULL;
if (dev) {
rtnl_lock();
unregister_netdevice(dev);
rtnl_unlock();
}
release_mem_region(__PREG(ICCR0), 0x1c);
release_mem_region(__PREG(STRBR), 0x24);
/*
* We now know that the netdevice is no longer in use, and all
* references to our driver have been removed. The only structure
* which may still be present is the netdevice, which will get
* cleaned up by net/core/dev.c
*/
}
static int pxa_irda_remove(struct platform_device *_dev)
{
struct net_device *dev = platform_get_drvdata(_dev);
if (dev) {
struct pxa_irda *si = netdev_priv(dev);
unregister_netdev(dev);
if (gpio_is_valid(si->pdata->gpio_pwdown))
gpio_free(si->pdata->gpio_pwdown);
if (si->pdata->shutdown)
si->pdata->shutdown(si->dev);
kfree(si->tx_buff.head);
kfree(si->rx_buff.head);
clk_put(si->fir_clk);
clk_put(si->sir_clk);
free_netdev(dev);
}
release_mem_region(__PREG(STUART), 0x24);
release_mem_region(__PREG(FICP), 0x1c);
return 0;
}
/**
* ssp_init - setup the SSP port
*
* initialise and claim resources for the SSP port.
*
* Returns:
* %-ENODEV if the SSP port is unavailable
* %-EBUSY if the resources are already in use
* %0 on success
*/
int ssp_init(void)
{
int ret;
if (!(PPAR & PPAR_SPR) && (Ser4MCCR0 & MCCR0_MCE))
return -ENODEV;
if (!request_mem_region(__PREG(Ser4SSCR0), 0x18, "SSP")) {
return -EBUSY;
}
Ser4SSSR = SSSR_ROR;
ret = request_irq(IRQ_Ser4SSP, ssp_interrupt, 0, "SSP", NULL);
if (ret)
goto out_region;
return 0;
out_region:
release_mem_region(__PREG(Ser4SSCR0), 0x18);
return ret;
}
/**
* ssp_exit - undo the effects of ssp_init
*
* release and free resources for the SSP port.
*/
void ssp_exit(struct ssp_dev *dev)
{
mutex_lock(&mutex);
SSCR0_P(dev->port) &= ~SSCR0_SSE;
if (dev->port > PXA_SSP_PORTS || dev->port == 0) {
printk(KERN_WARNING "SSP: tried to close invalid port\n");
return;
}
pxa_set_cken(ssp_info[dev->port-1].clock, 0);
if (dev->irq)
free_irq(dev->irq, dev);
release_mem_region(__PREG(SSCR0_P(dev->port)), 0x2c);
use_count[dev->port - 1]--;
mutex_unlock(&mutex);
}
static
#endif
int __init sa1100_irda_init(void)
{
struct net_device *dev;
int err;
/*
* Limit power level a sensible range.
*/
if (power_level < 1)
power_level = 1;
if (power_level > 3)
power_level = 3;
err = request_mem_region(__PREG(Ser2UTCR0), 0x24, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_1;
err = request_mem_region(__PREG(Ser2HSCR0), 0x1c, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_2;
err = request_mem_region(__PREG(Ser2HSCR2), 0x04, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_3;
rtnl_lock();
dev = dev_alloc("irda%d", &err);
if (dev) {
dev->irq = IRQ_Ser2ICP;
dev->init = sa1100_irda_net_init;
dev->uninit = sa1100_irda_net_uninit;
err = register_netdevice(dev);
if (err)
kfree(dev);
else
netdev = dev;
}
rtnl_unlock();
if (err) {
release_mem_region(__PREG(Ser2HSCR2), 0x04);
err_mem_3:
release_mem_region(__PREG(Ser2HSCR0), 0x1c);
err_mem_2:
release_mem_region(__PREG(Ser2UTCR0), 0x24);
}
err_mem_1:
return err;
}
static struct resource sa11x0uart3_resources[] = {
[0] = DEFINE_RES_MEM(__PREG(Ser3UTCR0), SZ_64K),
[1] = DEFINE_RES_IRQ(IRQ_Ser3UART),
};
static struct platform_device sa11x0uart3_device = {
.name = "sa11x0-uart",
.id = 3,
.num_resources = ARRAY_SIZE(sa11x0uart3_resources),
.resource = sa11x0uart3_resources,
};
static struct resource sa11x0mcp_resources[] = {
[0] = DEFINE_RES_MEM(__PREG(Ser4MCCR0), SZ_64K),
[1] = DEFINE_RES_MEM(__PREG(Ser4MCCR1), 4),
[2] = DEFINE_RES_IRQ(IRQ_Ser4MCP),
};
static u64 sa11x0mcp_dma_mask = 0xffffffffUL;
static struct platform_device sa11x0mcp_device = {
.name = "sa11x0-mcp",
.id = -1,
.dev = {
.dma_mask = &sa11x0mcp_dma_mask,
.coherent_dma_mask = 0xffffffff,
},
.num_resources = ARRAY_SIZE(sa11x0mcp_resources),
.resource = sa11x0mcp_resources,
};
}
static void sa11x0_register_device(struct platform_device *dev, void *data)
{
int err;
dev->dev.platform_data = data;
err = platform_device_register(dev);
if (err)
printk(KERN_ERR "Unable to register device %s: %d\n",
dev->name, err);
}
static struct resource sa11x0udc_resources[] = {
[0] = {
.start = __PREG(Ser0UDCCR),
.end = __PREG(Ser0UDCCR) + 0xffff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_Ser0UDC,
.end = IRQ_Ser0UDC,
.flags = IORESOURCE_IRQ,
},
};
static u64 sa11x0udc_dma_mask = 0xffffffffUL;
static struct platform_device sa11x0udc_device = {
.name = "sa11x0-udc",
.id = -1,
}
static struct snd_ac97_bus_ops pxa2xx_ac97_ops = {
.read = pxa2xx_ac97_read,
.write = pxa2xx_ac97_write,
.warm_reset = pxa2xx_ac97_warm_reset,
.reset = pxa2xx_ac97_cold_reset,
};
static struct pxad_param pxa2xx_ac97_pcm_stereo_in_req = {
.prio = PXAD_PRIO_LOWEST,
.drcmr = 11,
};
static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_in = {
.addr = __PREG(PCDR),
.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
.maxburst = 32,
.filter_data = &pxa2xx_ac97_pcm_stereo_in_req,
};
static struct pxad_param pxa2xx_ac97_pcm_stereo_out_req = {
.prio = PXAD_PRIO_LOWEST,
.drcmr = 12,
};
static struct snd_dmaengine_dai_dma_data pxa2xx_ac97_pcm_stereo_out = {
.addr = __PREG(PCDR),
.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
.maxburst = 32,
.filter_data = &pxa2xx_ac97_pcm_stereo_out_req,
[2] = {
.name = "smc91x-attrib",
.start = 0x0e000000,
.end = 0x0e0fffff,
.flags = IORESOURCE_MEM,
},
};
/* ADS7846 is connected through SSP ... and if your board has J5 populated,
* you can select it to replace the ucb1400 by switching the touchscreen cable
* (to J5) and poking board registers (as done below). Else it's only useful
* for the temperature sensors.
*/
static struct resource pxa_ssp_resources[] = {
[0] = {
.start = __PREG(SSCR0_P(1)),
.end = __PREG(SSCR0_P(1)) + 0x14,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_SSP,
.end = IRQ_SSP,
.flags = IORESOURCE_IRQ,
},
};
static struct pxa2xx_spi_master pxa_ssp_master_info = {
.ssp_type = PXA25x_SSP,
.clock_enable = CKEN_SSP,
.num_chipselect = 0,
};
static int pxa_irda_probe(struct platform_device *pdev)
{
struct net_device *dev;
struct pxa_irda *si;
unsigned int baudrate_mask;
int err;
if (!pdev->dev.platform_data)
return -ENODEV;
err = request_mem_region(__PREG(STUART), 0x24, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_1;
err = request_mem_region(__PREG(FICP), 0x1c, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_2;
dev = alloc_irdadev(sizeof(struct pxa_irda));
if (!dev)
goto err_mem_3;
si = netdev_priv(dev);
si->dev = &pdev->dev;
si->pdata = pdev->dev.platform_data;
si->sir_clk = clk_get(&pdev->dev, "UARTCLK");
si->fir_clk = clk_get(&pdev->dev, "FICPCLK");
if (IS_ERR(si->sir_clk) || IS_ERR(si->fir_clk)) {
err = PTR_ERR(IS_ERR(si->sir_clk) ? si->sir_clk : si->fir_clk);
goto err_mem_4;
}
/*
* Initialise the SIR buffers
*/
err = pxa_irda_init_iobuf(&si->rx_buff, 14384);
if (err)
goto err_mem_4;
err = pxa_irda_init_iobuf(&si->tx_buff, 4000);
if (err)
goto err_mem_5;
if (si->pdata->startup)
err = si->pdata->startup(si->dev);
if (err)
goto err_startup;
dev->hard_start_xmit = pxa_irda_hard_xmit;
dev->open = pxa_irda_start;
dev->stop = pxa_irda_stop;
dev->do_ioctl = pxa_irda_ioctl;
dev->get_stats = pxa_irda_stats;
irda_init_max_qos_capabilies(&si->qos);
baudrate_mask = 0;
if (si->pdata->transceiver_cap & IR_SIRMODE)
baudrate_mask |= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
if (si->pdata->transceiver_cap & IR_FIRMODE)
baudrate_mask |= IR_4000000 << 8;
si->qos.baud_rate.bits &= baudrate_mask;
si->qos.min_turn_time.bits = 7; /* 1ms or more */
irda_qos_bits_to_value(&si->qos);
err = register_netdev(dev);
if (err == 0)
dev_set_drvdata(&pdev->dev, dev);
if (err) {
if (si->pdata->shutdown)
si->pdata->shutdown(si->dev);
err_startup:
kfree(si->tx_buff.head);
err_mem_5:
kfree(si->rx_buff.head);
err_mem_4:
if (si->sir_clk && !IS_ERR(si->sir_clk))
clk_put(si->sir_clk);
if (si->fir_clk && !IS_ERR(si->fir_clk))
clk_put(si->fir_clk);
free_netdev(dev);
err_mem_3:
release_mem_region(__PREG(FICP), 0x1c);
err_mem_2:
release_mem_region(__PREG(STUART), 0x24);
}
err_mem_1:
return err;
}
.name = "sa1100-mtd",
.id = -1,
};
void sa11x0_register_mtd(struct flash_platform_data *flash,
struct resource *res, int nr)
{
flash->name = "sa1100";
sa11x0mtd_device.resource = res;
sa11x0mtd_device.num_resources = nr;
sa11x0_register_device(&sa11x0mtd_device, flash);
}
static struct resource sa11x0ir_resources[] = {
{
.start = __PREG(Ser2UTCR0),
.end = __PREG(Ser2UTCR0) + 0x24 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = __PREG(Ser2HSCR0),
.end = __PREG(Ser2HSCR0) + 0x1c - 1,
.flags = IORESOURCE_MEM,
}, {
.start = __PREG(Ser2HSCR2),
.end = __PREG(Ser2HSCR2) + 0x04 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_Ser2ICP,
.end = IRQ_Ser2ICP,
.flags = IORESOURCE_IRQ,
}
static int pxa250_irda_hard_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct pxa250_irda *si = dev->priv;
int speed = irda_get_next_speed(skb);
int mtt;
__ECHO_IN;
/*
* Does this packet contain a request to change the interface
* speed? If so, remember it until we complete the transmission
* of this frame.
*/
if (speed != si->speed && speed != -1)
si->newspeed = speed;
/*
* If this is an empty frame, we can bypass a lot.
*/
if (skb->len == 0) {
if (si->newspeed) {
si->newspeed = 0;
pxa250_irda_set_speed(dev, speed);
}
dev_kfree_skb(skb);
return 0;
}
DBG("stop queue\n");
netif_stop_queue(dev);
if(!IS_FIR(si))
{
si->tx_buff.data = si->tx_buff.head;
si->tx_buff.len = async_wrap_skb(skb, si->tx_buff.data,
si->tx_buff.truesize);
pxa250_sir_transmit(dev);
dev_kfree_skb(skb);
dev->trans_start = jiffies;
return 0;
}
else /* FIR */
{
DBG("Enter FIR transmit\n");
/*
* We must not be transmitting...
*/
if (si->txskb)
BUG();
disable_irq(si->fir_irq);
netif_stop_queue(dev);
DBG("queue stoped\n");
si->txskb = skb;
/* we could not just map so we'll need some triks */
/* skb->data may be not DMA capable -Sed- */
if (skb->len > TXBUFF_MAX_SIZE)
{
printk (KERN_ERR "skb data too large\n");
printk (KERN_ERR "len=%d",skb->len);
BUG();
}
DBG("gonna copy %d bytes to txbuf\n",skb->len);
memcpy (si->txbuf_dma_virt, skb->data , skb->len);
/* Actual sending ;must not be receiving !!! */
/* Write data and source address */
DBG("ICSR1 & RNE =%d\n",(ICSR1 & ICSR1_RNE) ? 1 : 0 );
/*Disable receiver and enable transifer */
ICCR0 &= ~ICCR0_RXE;
if (ICSR1 & ICSR1_TBY)
BUG();
ICCR0 |= ICCR0_TXE;
DBG("FICP status %x\n",ICSR0);
if (0){
int i;
DBG("sending packet\n");
for (i=0;i<skb->len;i++)
(i % 64) ? printk ("%2x ",skb->data[i]) : printk ("%2x \n",skb->data[i]) ;
DBG(" done\n");
}
/*
* If we have a mean turn-around time, impose the specified
* specified delay. We could shorten this by timing from
* the point we received the packet.
*/
mtt = irda_get_mtt(skb);
if(mtt)
udelay(mtt);
DCSR(si->txdma_ch)=0;
DCSR(si->txdma_ch)=DCSR_NODESC;
DSADR(si->txdma_ch) = si->txbuf_dma; /* phisic address */
DTADR(si->txdma_ch) = __PREG(ICDR);
DCMD(si->txdma_ch) = DCMD_ENDIRQEN| DCMD_INCSRCADDR | DCMD_FLOWTRG | DCMD_BURST8 | DCMD_WIDTH1 | skb->len;
DCSR(si->txdma_ch) = DCSR_ENDINTR | DCSR_BUSERR;
DCSR(si->txdma_ch) = DCSR_RUN | DCSR_NODESC ;
DBG("FICP status %x\n",ICSR0);
return 0;
}
}
static int pxa_irda_probe(struct platform_device *pdev)
{
struct net_device *dev;
struct pxa_irda *si;
unsigned int baudrate_mask;
int err;
if (!pdev->dev.platform_data)
return -ENODEV;
err = request_mem_region(__PREG(STUART), 0x24, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_1;
err = request_mem_region(__PREG(FICP), 0x1c, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_2;
dev = alloc_irdadev(sizeof(struct pxa_irda));
if (!dev)
goto err_mem_3;
SET_NETDEV_DEV(dev, &pdev->dev);
si = netdev_priv(dev);
si->dev = &pdev->dev;
si->pdata = pdev->dev.platform_data;
si->sir_clk = clk_get(&pdev->dev, "UARTCLK");
si->fir_clk = clk_get(&pdev->dev, "FICPCLK");
if (IS_ERR(si->sir_clk) || IS_ERR(si->fir_clk)) {
err = PTR_ERR(IS_ERR(si->sir_clk) ? si->sir_clk : si->fir_clk);
goto err_mem_4;
}
/*
* Initialise the SIR buffers
*/
err = pxa_irda_init_iobuf(&si->rx_buff, 14384);
if (err)
goto err_mem_4;
err = pxa_irda_init_iobuf(&si->tx_buff, 4000);
if (err)
goto err_mem_5;
if (gpio_is_valid(si->pdata->gpio_pwdown)) {
err = gpio_request(si->pdata->gpio_pwdown, "IrDA switch");
if (err)
goto err_startup;
err = gpio_direction_output(si->pdata->gpio_pwdown,
!si->pdata->gpio_pwdown_inverted);
if (err) {
gpio_free(si->pdata->gpio_pwdown);
goto err_startup;
}
}
if (si->pdata->startup) {
err = si->pdata->startup(si->dev);
if (err)
goto err_startup;
}
if (gpio_is_valid(si->pdata->gpio_pwdown) && si->pdata->startup)
dev_warn(si->dev, "gpio_pwdown and startup() both defined!\n");
dev->netdev_ops = &pxa_irda_netdev_ops;
irda_init_max_qos_capabilies(&si->qos);
baudrate_mask = 0;
if (si->pdata->transceiver_cap & IR_SIRMODE)
baudrate_mask |= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
if (si->pdata->transceiver_cap & IR_FIRMODE)
baudrate_mask |= IR_4000000 << 8;
si->qos.baud_rate.bits &= baudrate_mask;
si->qos.min_turn_time.bits = 7; /* 1ms or more */
irda_qos_bits_to_value(&si->qos);
err = register_netdev(dev);
if (err == 0)
dev_set_drvdata(&pdev->dev, dev);
if (err) {
if (si->pdata->shutdown)
si->pdata->shutdown(si->dev);
err_startup:
kfree(si->tx_buff.head);
err_mem_5:
kfree(si->rx_buff.head);
err_mem_4:
if (si->sir_clk && !IS_ERR(si->sir_clk))
clk_put(si->sir_clk);
if (si->fir_clk && !IS_ERR(si->fir_clk))
clk_put(si->fir_clk);
free_netdev(dev);
err_mem_3:
release_mem_region(__PREG(FICP), 0x1c);
err_mem_2:
release_mem_region(__PREG(STUART), 0x24);
}
err_mem_1:
return err;
}
if (!pxa2xx_ac97_try_cold_reset(ac97)) {
pxa2xx_ac97_try_warm_reset(ac97);
}
pxa2xx_ac97_finish_reset(ac97);
}
static struct snd_ac97_bus_ops pxa2xx_ac97_ops = {
.read = pxa2xx_ac97_read,
.write = pxa2xx_ac97_write,
.reset = pxa2xx_ac97_reset,
};
static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_out = {
.name = "AC97 PCM out",
.dev_addr = __PREG(PCDR),
.drcmr = &DRCMR(12),
.dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
DCMD_BURST32 | DCMD_WIDTH4,
};
static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_in = {
.name = "AC97 PCM in",
.dev_addr = __PREG(PCDR),
.drcmr = &DRCMR(11),
.dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
DCMD_BURST32 | DCMD_WIDTH4,
};
static struct snd_pcm *pxa2xx_ac97_pcm;
static struct snd_ac97 *pxa2xx_ac97_ac97;
.resource = pxafb_resources,
};
void __init set_pxa_fb_info(struct pxafb_mach_info *info)
{
pxa_device_fb.dev.platform_data = info;
}
void __init set_pxa_fb_parent(struct device *parent_dev)
{
pxa_device_fb.dev.parent = parent_dev;
}
static struct resource pxa_resource_ffuart[] = {
{
.start = __PREG(FFUART),
.end = __PREG(FFUART) + 35,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_FFUART,
.end = IRQ_FFUART,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device pxa_device_ffuart= {
.name = "pxa2xx-uart",
.id = 0,
.resource = pxa_resource_ffuart,
.num_resources = ARRAY_SIZE(pxa_resource_ffuart),
};
static int serial_pxa_probe(struct platform_device *dev)
{
struct uart_pxa_port *sport;
struct resource *mmres, *irqres;
int ret;
mmres = platform_get_resource(dev, IORESOURCE_MEM, 0);
irqres = platform_get_resource(dev, IORESOURCE_IRQ, 0);
if (!mmres || !irqres)
return -ENODEV;
sport = kzalloc(sizeof(struct uart_pxa_port), GFP_KERNEL);
if (!sport)
return -ENOMEM;
sport->clk = clk_get(&dev->dev, "UARTCLK");
if (IS_ERR(sport->clk)) {
ret = PTR_ERR(sport->clk);
goto err_free;
}
sport->port.type = PORT_PXA;
sport->port.iotype = UPIO_MEM;
sport->port.mapbase = mmres->start;
sport->port.irq = irqres->start;
sport->port.fifosize = 64;
sport->port.ops = &serial_pxa_pops;
sport->port.line = dev->id;
sport->port.dev = &dev->dev;
sport->port.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF;
sport->port.uartclk = clk_get_rate(sport->clk);
/*
* Is it worth keeping this?
*/
if (mmres->start == __PREG(FFUART))
sport->name = "FFUART";
else if (mmres->start == __PREG(BTUART))
sport->name = "BTUART";
else if (mmres->start == __PREG(STUART))
sport->name = "STUART";
else if (mmres->start == __PREG(HWUART))
sport->name = "HWUART";
else
sport->name = "???";
sport->port.membase = ioremap(mmres->start, mmres->end - mmres->start + 1);
if (!sport->port.membase) {
ret = -ENOMEM;
goto err_clk;
}
serial_pxa_ports[dev->id] = sport;
uart_add_one_port(&serial_pxa_reg, &sport->port);
platform_set_drvdata(dev, sport);
return 0;
err_clk:
clk_put(sport->clk);
err_free:
kfree(sport);
return ret;
}
{
pxa2xx_ac97_try_cold_reset(ac97);
pxa2xx_ac97_finish_reset(ac97);
}
struct snd_ac97_bus_ops soc_ac97_ops = {
.read = pxa2xx_ac97_read,
.write = pxa2xx_ac97_write,
.warm_reset = pxa2xx_ac97_warm_reset,
.reset = pxa2xx_ac97_cold_reset,
};
static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = {
.name = "AC97 PCM Stereo out",
.dev_addr = __PREG(PCDR),
.drcmr = &DRCMR(12),
.dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
DCMD_BURST32 | DCMD_WIDTH4,
};
static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = {
.name = "AC97 PCM Stereo in",
.dev_addr = __PREG(PCDR),
.drcmr = &DRCMR(11),
.dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
DCMD_BURST32 | DCMD_WIDTH4,
};
static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = {
.name = "AC97 Aux PCM (Slot 5) Mono out",
static int sa1100_irda_probe(struct platform_device *pdev)
{
struct net_device *dev;
struct sa1100_irda *si;
unsigned int baudrate_mask;
int err;
if (!pdev->dev.platform_data)
return -EINVAL;
err = request_mem_region(__PREG(Ser2UTCR0), 0x24, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_1;
err = request_mem_region(__PREG(Ser2HSCR0), 0x1c, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_2;
err = request_mem_region(__PREG(Ser2HSCR2), 0x04, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_3;
dev = alloc_irdadev(sizeof(struct sa1100_irda));
if (!dev)
goto err_mem_4;
si = dev->priv;
si->dev = &pdev->dev;
si->pdata = pdev->dev.platform_data;
/*
* Initialise the HP-SIR buffers
*/
err = sa1100_irda_init_iobuf(&si->rx_buff, 14384);
if (err)
goto err_mem_5;
err = sa1100_irda_init_iobuf(&si->tx_buff, 4000);
if (err)
goto err_mem_5;
dev->hard_start_xmit = sa1100_irda_hard_xmit;
dev->open = sa1100_irda_start;
dev->stop = sa1100_irda_stop;
dev->do_ioctl = sa1100_irda_ioctl;
dev->get_stats = sa1100_irda_stats;
dev->irq = IRQ_Ser2ICP;
irda_init_max_qos_capabilies(&si->qos);
/*
* We support original IRDA up to 115k2. (we don't currently
* support 4Mbps). Min Turn Time set to 1ms or greater.
*/
baudrate_mask = IR_9600;
switch (max_rate) {
case 4000000: baudrate_mask |= IR_4000000 << 8;
case 115200: baudrate_mask |= IR_115200;
case 57600: baudrate_mask |= IR_57600;
case 38400: baudrate_mask |= IR_38400;
case 19200: baudrate_mask |= IR_19200;
}
si->qos.baud_rate.bits &= baudrate_mask;
si->qos.min_turn_time.bits = 7;
irda_qos_bits_to_value(&si->qos);
si->utcr4 = UTCR4_HPSIR;
if (tx_lpm)
si->utcr4 |= UTCR4_Z1_6us;
/*
* Initially enable HP-SIR modulation, and ensure that the port
* is disabled.
*/
Ser2UTCR3 = 0;
Ser2UTCR4 = si->utcr4;
Ser2HSCR0 = HSCR0_UART;
err = register_netdev(dev);
if (err == 0)
platform_set_drvdata(pdev, dev);
if (err) {
err_mem_5:
kfree(si->tx_buff.head);
kfree(si->rx_buff.head);
free_netdev(dev);
err_mem_4:
release_mem_region(__PREG(Ser2HSCR2), 0x04);
err_mem_3:
release_mem_region(__PREG(Ser2HSCR0), 0x1c);
err_mem_2:
release_mem_region(__PREG(Ser2UTCR0), 0x24);
}
err_mem_1:
return err;
}
MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR;
}
pxa2xx_transceiver_mode(dev, mode);
if (mode & IR_OFF) {
MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF;
} else {
MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL;
}
local_irq_restore(flags);
}
static struct pxaficp_platform_data mainstone_ficp_platform_data = {
.transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
.transceiver_mode = mainstone_irda_transceiver_mode,
.uart_irq = IRQ_STUART,
.uart_reg_base = __PREG(STUART),
};
static struct gpio_keys_button gpio_keys_button[] = {
[0] = {
.desc = "wakeup",
.code = KEY_SUSPEND,
.type = EV_KEY,
.gpio = 1,
.wakeup = 1,
},
};
static struct gpio_keys_platform_data mainstone_gpio_keys = {
.buttons = gpio_keys_button,
.nbuttons = 1,
.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
.iotype = UPIO_MEM,
},
{ /* COM4 */
.mapbase = 0x11800000,
.irq = gpio_to_irq(ZEUS_UARTD_GPIO),
.irqflags = IRQF_TRIGGER_RISING,
.uartclk = 14745600,
.regshift = 1,
.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
.iotype = UPIO_MEM,
},
/* Internal UARTs */
{ /* FFUART */
.membase = (void *)&FFUART,
.mapbase = __PREG(FFUART),
.irq = IRQ_FFUART,
.uartclk = 921600 * 16,
.regshift = 2,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
.iotype = UPIO_MEM,
},
{ /* BTUART */
.membase = (void *)&BTUART,
.mapbase = __PREG(BTUART),
.irq = IRQ_BTUART,
.uartclk = 921600 * 16,
.regshift = 2,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
.iotype = UPIO_MEM,
},