diff options
Diffstat (limited to 'arch/blackfin/mach-bf538')
| -rw-r--r-- | arch/blackfin/mach-bf538/include/mach/bfin_sir.h | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/arch/blackfin/mach-bf538/include/mach/bfin_sir.h b/arch/blackfin/mach-bf538/include/mach/bfin_sir.h deleted file mode 100644 index b2b546d0b9d..00000000000 --- a/arch/blackfin/mach-bf538/include/mach/bfin_sir.h +++ /dev/null @@ -1,159 +0,0 @@ -/* - * 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) -#define SIR_UART_GET_DLH(port) bfin_read16((port)->membase + OFFSET_DLH) -#define SIR_UART_GET_IIR(port) bfin_read16((port)->membase + OFFSET_IIR) -#define SIR_UART_GET_LCR(port) bfin_read16((port)->membase + OFFSET_LCR) -#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_PUT_IER(port, v) bfin_write16(((port)->membase + OFFSET_IER), v) -#define SIR_UART_PUT_DLH(port, v) bfin_write16(((port)->membase + OFFSET_DLH), v) -#define SIR_UART_PUT_LCR(port, v) bfin_write16(((port)->membase + OFFSET_LCR), v) -#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 -}; - -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; -}; - -static inline unsigned int SIR_UART_GET_LSR(struct bfin_sir_port *port) -{ - unsigned int lsr = bfin_read16(port->membase + OFFSET_LSR); - port->lsr |= (lsr & (BI|FE|PE|OE)); - return lsr | port->lsr; -} - -static inline void SIR_UART_CLEAR_LSR(struct bfin_sir_port *port) -{ - port->lsr = 0; - bfin_read16(port->membase + OFFSET_LSR); -} - -#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 - return ret; -} |