Пример #1
0
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 ;

}
Пример #2
0
/**
 * 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);
}
Пример #3
0
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;
}
Пример #4
0
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;
}
Пример #5
0
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;
}
Пример #6
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;
}
Пример #7
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);
}
Пример #8
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(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;
}
Пример #9
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 = (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);
}
Пример #10
0
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;
}
Пример #11
0
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
	 */
}
Пример #12
0
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;
}
Пример #13
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;
}
Пример #14
0
/**
 * 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);
}
Пример #15
0
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;
}
Пример #16
0
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,
};
Пример #17
0
}

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,
Пример #18
0
}

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,
Пример #19
0
	[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,
};
Пример #20
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;
}
Пример #21
0
	.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,
	}
Пример #22
0
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;
	}
	
}
Пример #23
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;
}
Пример #24
0
	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;
Пример #25
0
	.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),
};
Пример #26
0
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;
}
Пример #27
0
{
	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",
Пример #28
0
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;
}
Пример #29
0
		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,
Пример #30
0
		.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,
	},