Merge branch 'linus' into x86/core

1 files changed, 166 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf548/include/mach/bfin_sir.h b/arch/blackfin/mach-bf548/include/mach/bfin_sir.h
new file mode 100644
index 00000000000..c41f9cf0026
--- /dev/null
+++ b/arch/blackfin/mach-bf548/include/mach/bfin_sir.h
@@ -0,0 +1,166 @@
+/*
+ * Blackfin Infra-red Driver
+ *
+ * Copyright 2006-2008 Analog Devices Inc.
+ *
+ * Enter bugs at http://blackfin.uclinux.org/
+ *
+ * Licensed under the GPL-2 or later.
+ *
+ */
+
+#include <linux/serial.h>
+#include <asm/dma.h>
+#include <asm/portmux.h>
+
+#define SIR_UART_GET_CHAR(port)   bfin_read16((port)->membase + OFFSET_RBR)
+#define SIR_UART_GET_DLL(port)    bfin_read16((port)->membase + OFFSET_DLL)
+#define SIR_UART_GET_IER(port)    bfin_read16((port)->membase + OFFSET_IER_SET)
+#define SIR_UART_GET_DLH(port)    bfin_read16((port)->membase + OFFSET_DLH)
+#define SIR_UART_GET_LCR(port)    bfin_read16((port)->membase + OFFSET_LCR)
+#define SIR_UART_GET_LSR(port)    bfin_read16((port)->membase + OFFSET_LSR)
+#define SIR_UART_GET_GCTL(port)   bfin_read16((port)->membase + OFFSET_GCTL)
+
+#define SIR_UART_PUT_CHAR(port, v) bfin_write16(((port)->membase + OFFSET_THR), v)
+#define SIR_UART_PUT_DLL(port, v)  bfin_write16(((port)->membase + OFFSET_DLL), v)
+#define SIR_UART_SET_IER(port, v)  bfin_write16(((port)->membase + OFFSET_IER_SET), v)
+#define SIR_UART_CLEAR_IER(port, v)  bfin_write16(((port)->membase + OFFSET_IER_CLEAR), v)
+#define SIR_UART_PUT_DLH(port, v)  bfin_write16(((port)->membase + OFFSET_DLH), v)
+#define SIR_UART_PUT_LSR(port, v)  bfin_write16(((port)->membase + OFFSET_LSR), v)
+#define SIR_UART_PUT_LCR(port, v)  bfin_write16(((port)->membase + OFFSET_LCR), v)
+#define SIR_UART_CLEAR_LSR(port)  bfin_write16(((port)->membase + OFFSET_LSR), -1)
+#define SIR_UART_PUT_GCTL(port, v) bfin_write16(((port)->membase + OFFSET_GCTL), v)
+
+#ifdef CONFIG_SIR_BFIN_DMA
+struct dma_rx_buf {
+	char *buf;
+	int head;
+	int tail;
+	};
+#endif /* CONFIG_SIR_BFIN_DMA */
+
+struct bfin_sir_port {
+	unsigned char __iomem   *membase;
+	unsigned int            irq;
+	unsigned int            lsr;
+	unsigned long           clk;
+	struct net_device       *dev;
+#ifdef CONFIG_SIR_BFIN_DMA
+	int                     tx_done;
+	struct dma_rx_buf       rx_dma_buf;
+	struct timer_list       rx_dma_timer;
+	int                     rx_dma_nrows;
+#endif /* CONFIG_SIR_BFIN_DMA */
+	unsigned int            tx_dma_channel;
+	unsigned int            rx_dma_channel;
+};
+
+struct bfin_sir_port sir_ports[BFIN_UART_NR_PORTS];
+
+struct bfin_sir_port_res {
+	unsigned long   base_addr;
+	int             irq;
+	unsigned int    rx_dma_channel;
+	unsigned int    tx_dma_channel;
+};
+
+struct bfin_sir_port_res bfin_sir_port_resource[] = {
+#ifdef CONFIG_BFIN_SIR0
+	{
+	0xFFC00400,
+	IRQ_UART0_RX,
+	CH_UART0_RX,
+	CH_UART0_TX,
+	},
+#endif
+#ifdef CONFIG_BFIN_SIR1
+	{
+	0xFFC02000,
+	IRQ_UART1_RX,
+	CH_UART1_RX,
+	CH_UART1_TX,
+	},
+#endif
+#ifdef CONFIG_BFIN_SIR2
+	{
+	0xFFC02100,
+	IRQ_UART2_RX,
+	CH_UART2_RX,
+	CH_UART2_TX,
+	},
+#endif
+#ifdef CONFIG_BFIN_SIR3
+	{
+	0xFFC03100,
+	IRQ_UART3_RX,
+	CH_UART3_RX,
+	CH_UART3_TX,
+	},
+#endif
+};
+
+int nr_sirs = ARRAY_SIZE(bfin_sir_port_resource);
+
+struct bfin_sir_self {
+	struct bfin_sir_port    *sir_port;
+	spinlock_t              lock;
+	unsigned int            open;
+	int                     speed;
+	int                     newspeed;
+
+	struct sk_buff          *txskb;
+	struct sk_buff          *rxskb;
+	struct net_device_stats stats;
+	struct device           *dev;
+	struct irlap_cb         *irlap;
+	struct qos_info         qos;
+
+	iobuff_t                tx_buff;
+	iobuff_t                rx_buff;
+
+	struct work_struct      work;
+	int                     mtt;
+};
+
+#define DRIVER_NAME "bfin_sir"
+
+static int bfin_sir_hw_init(void)
+{
+	int ret = -ENODEV;
+#ifdef CONFIG_BFIN_SIR0
+	ret = peripheral_request(P_UART0_TX, DRIVER_NAME);
+	if (ret)
+		return ret;
+	ret = peripheral_request(P_UART0_RX, DRIVER_NAME);
+	if (ret)
+		return ret;
+#endif
+
+#ifdef CONFIG_BFIN_SIR1
+	ret = peripheral_request(P_UART1_TX, DRIVER_NAME);
+	if (ret)
+		return ret;
+	ret = peripheral_request(P_UART1_RX, DRIVER_NAME);
+	if (ret)
+		return ret;
+#endif
+
+#ifdef CONFIG_BFIN_SIR2
+	ret = peripheral_request(P_UART2_TX, DRIVER_NAME);
+	if (ret)
+		return ret;
+	ret = peripheral_request(P_UART2_RX, DRIVER_NAME);
+	if (ret)
+		return ret;
+#endif
+
+#ifdef CONFIG_BFIN_SIR3
+	ret = peripheral_request(P_UART3_TX, DRIVER_NAME);
+	if (ret)
+		return ret;
+	ret = peripheral_request(P_UART3_RX, DRIVER_NAME);
+	if (ret)
+		return ret;
+#endif
+	return ret;
+}