* count by 2 when using 16-bit dma; that is not handled by these functions.
*
* Ramen Noodles are yummy.
- *
- * 1998 Tymm Twillman <tymm@computer.org>
+ *
+ * 1998 Tymm Twillman <tymm@computer.org>
*/
/*
- * Registers that are used by the DMA controller; FN is the function register
+ * Registers that are used by the DMA controller; FN is the function register
* (tell the controller what to do) and EXE is the execution register (how
* to do it)
*/
#define MCA_DMA_REG_FN 0x18
-#define MCA_DMA_REG_EXE 0x1A
+#define MCA_DMA_REG_EXE 0x1A
/*
* Functions that the DMA controller can do
/*
* Modes (used by setting MCA_DMA_FN_MODE in the function register)
- *
+ *
* Note that the MODE_READ is read from memory (write to device), and
- * MODE_WRITE is vice-versa.
+ * MODE_WRITE is vice-versa.
*/
#define MCA_DMA_MODE_XFER 0x04 /* read by default */
* IRQ context.
*/
-static __inline__ void mca_enable_dma(unsigned int dmanr)
+static inline void mca_enable_dma(unsigned int dmanr)
{
outb(MCA_DMA_FN_RESET_MASK | dmanr, MCA_DMA_REG_FN);
}
* IRQ context.
*/
-static __inline__ void mca_disable_dma(unsigned int dmanr)
+static inline void mca_disable_dma(unsigned int dmanr)
{
outb(MCA_DMA_FN_MASK | dmanr, MCA_DMA_REG_FN);
}
* @a: 24bit bus address
*
* Load the address register in the DMA controller. This has a 24bit
- * limitation (16Mb).
+ * limitation (16Mb).
*/
-static __inline__ void mca_set_dma_addr(unsigned int dmanr, unsigned int a)
+static inline void mca_set_dma_addr(unsigned int dmanr, unsigned int a)
{
outb(MCA_DMA_FN_SET_ADDR | dmanr, MCA_DMA_REG_FN);
outb(a & 0xff, MCA_DMA_REG_EXE);
* limitation (16Mb). The return is a bus address.
*/
-static __inline__ unsigned int mca_get_dma_addr(unsigned int dmanr)
+static inline unsigned int mca_get_dma_addr(unsigned int dmanr)
{
unsigned int addr;
outb(MCA_DMA_FN_GET_ADDR | dmanr, MCA_DMA_REG_FN);
addr = inb(MCA_DMA_REG_EXE);
addr |= inb(MCA_DMA_REG_EXE) << 8;
- addr |= inb(MCA_DMA_REG_EXE) << 16;
+ addr |= inb(MCA_DMA_REG_EXE) << 16;
return addr;
}
* Setting a count of zero will not do what you expect.
*/
-static __inline__ void mca_set_dma_count(unsigned int dmanr, unsigned int count)
+static inline void mca_set_dma_count(unsigned int dmanr, unsigned int count)
{
count--; /* transfers one more than count -- correct for this */
* on this DMA channel.
*/
-static __inline__ unsigned int mca_get_dma_residue(unsigned int dmanr)
+static inline unsigned int mca_get_dma_residue(unsigned int dmanr)
{
unsigned short count;
* with an I/O port target.
*/
-static __inline__ void mca_set_dma_io(unsigned int dmanr, unsigned int io_addr)
+static inline void mca_set_dma_io(unsigned int dmanr, unsigned int io_addr)
{
/*
* DMA from a port address -- set the io address
*/
-
+
outb(MCA_DMA_FN_SET_IO | dmanr, MCA_DMA_REG_FN);
outb(io_addr & 0xff, MCA_DMA_REG_EXE);
outb((io_addr >> 8) & 0xff, MCA_DMA_REG_EXE);
* %MCA_DMA_MODE_16 to do 16bit transfers.
*/
-static __inline__ void mca_set_dma_mode(unsigned int dmanr, unsigned int mode)
+static inline void mca_set_dma_mode(unsigned int dmanr, unsigned int mode)
{
outb(MCA_DMA_FN_SET_MODE | dmanr, MCA_DMA_REG_FN);
outb(mode, MCA_DMA_REG_EXE);