m68k: clean up comment delimiters in dma.h
Change C99 style comments to traditional K&R style. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
parent
cba89e231f
commit
584320156b
|
@ -177,21 +177,21 @@ static __inline__ void set_dma_mode(unsigned int dmanr, char mode)
|
|||
dmabp = (unsigned char *) dma_base_addr[dmanr];
|
||||
dmawp = (unsigned short *) dma_base_addr[dmanr];
|
||||
|
||||
// Clear config errors
|
||||
/* Clear config errors */
|
||||
dmabp[MCFDMA_DSR] = MCFDMA_DSR_DONE;
|
||||
|
||||
// Set command register
|
||||
/* Set command register */
|
||||
dmawp[MCFDMA_DCR] =
|
||||
MCFDMA_DCR_INT | // Enable completion irq
|
||||
MCFDMA_DCR_CS | // Force one xfer per request
|
||||
MCFDMA_DCR_AA | // Enable auto alignment
|
||||
// single-address-mode
|
||||
MCFDMA_DCR_INT | /* Enable completion irq */
|
||||
MCFDMA_DCR_CS | /* Force one xfer per request */
|
||||
MCFDMA_DCR_AA | /* Enable auto alignment */
|
||||
/* single-address-mode */
|
||||
((mode & DMA_MODE_SINGLE_BIT) ? MCFDMA_DCR_SAA : 0) |
|
||||
// sets s_rw (-> r/w) high if Memory to I/0
|
||||
/* sets s_rw (-> r/w) high if Memory to I/0 */
|
||||
((mode & DMA_MODE_WRITE_BIT) ? MCFDMA_DCR_S_RW : 0) |
|
||||
// Memory to I/O or I/O to Memory
|
||||
/* Memory to I/O or I/O to Memory */
|
||||
((mode & DMA_MODE_WRITE_BIT) ? MCFDMA_DCR_SINC : MCFDMA_DCR_DINC) |
|
||||
// 32 bit, 16 bit or 8 bit transfers
|
||||
/* 32 bit, 16 bit or 8 bit transfers */
|
||||
((mode & DMA_MODE_WORD_BIT) ? MCFDMA_DCR_SSIZE_WORD :
|
||||
((mode & DMA_MODE_LONG_BIT) ? MCFDMA_DCR_SSIZE_LONG :
|
||||
MCFDMA_DCR_SSIZE_BYTE)) |
|
||||
|
@ -219,16 +219,16 @@ static __inline__ void set_dma_addr(unsigned int dmanr, unsigned int a)
|
|||
dmawp = (unsigned short *) dma_base_addr[dmanr];
|
||||
dmalp = (unsigned int *) dma_base_addr[dmanr];
|
||||
|
||||
// Determine which address registers are used for memory/device accesses
|
||||
/* Determine which address registers are used for memory/device accesses */
|
||||
if (dmawp[MCFDMA_DCR] & MCFDMA_DCR_SINC) {
|
||||
// Source incrementing, must be memory
|
||||
/* Source incrementing, must be memory */
|
||||
dmalp[MCFDMA_SAR] = a;
|
||||
// Set dest address, must be device
|
||||
/* Set dest address, must be device */
|
||||
dmalp[MCFDMA_DAR] = dma_device_address[dmanr];
|
||||
} else {
|
||||
// Destination incrementing, must be memory
|
||||
/* Destination incrementing, must be memory */
|
||||
dmalp[MCFDMA_DAR] = a;
|
||||
// Set source address, must be device
|
||||
/* Set source address, must be device */
|
||||
dmalp[MCFDMA_SAR] = dma_device_address[dmanr];
|
||||
}
|
||||
|
||||
|
@ -367,19 +367,19 @@ static __inline__ void set_dma_mode(unsigned int dmanr, char mode)
|
|||
dmalp = (unsigned int *) dma_base_addr[dmanr];
|
||||
dmawp = (unsigned short *) dma_base_addr[dmanr];
|
||||
|
||||
// Clear config errors
|
||||
/* Clear config errors */
|
||||
dmalp[MCFDMA_DMR] |= MCFDMA_DMR_RESET;
|
||||
|
||||
// Set command register
|
||||
/* Set command register */
|
||||
dmalp[MCFDMA_DMR] =
|
||||
MCFDMA_DMR_RQM_DUAL | // Mandatory Request Mode setting
|
||||
MCFDMA_DMR_DSTT_SD | // Set up addressing types; set to supervisor-data.
|
||||
MCFDMA_DMR_SRCT_SD | // Set up addressing types; set to supervisor-data.
|
||||
// source static-address-mode
|
||||
MCFDMA_DMR_RQM_DUAL | /* Mandatory Request Mode setting */
|
||||
MCFDMA_DMR_DSTT_SD | /* Set up addressing types; set to supervisor-data. */
|
||||
MCFDMA_DMR_SRCT_SD | /* Set up addressing types; set to supervisor-data. */
|
||||
/* source static-address-mode */
|
||||
((mode & DMA_MODE_SRC_SA_BIT) ? MCFDMA_DMR_SRCM_SA : MCFDMA_DMR_SRCM_IA) |
|
||||
// dest static-address-mode
|
||||
/* dest static-address-mode */
|
||||
((mode & DMA_MODE_DES_SA_BIT) ? MCFDMA_DMR_DSTM_SA : MCFDMA_DMR_DSTM_IA) |
|
||||
// burst, 32 bit, 16 bit or 8 bit transfers are separately configurable on the MCF5272
|
||||
/* burst, 32 bit, 16 bit or 8 bit transfers are separately configurable on the MCF5272 */
|
||||
(((mode & DMA_MODE_SSIZE_MASK) >> DMA_MODE_SSIZE_OFF) << MCFDMA_DMR_DSTS_OFF) |
|
||||
(((mode & DMA_MODE_SSIZE_MASK) >> DMA_MODE_SSIZE_OFF) << MCFDMA_DMR_SRCS_OFF);
|
||||
|
||||
|
@ -403,16 +403,16 @@ static __inline__ void set_dma_addr(unsigned int dmanr, unsigned int a)
|
|||
|
||||
dmalp = (unsigned int *) dma_base_addr[dmanr];
|
||||
|
||||
// Determine which address registers are used for memory/device accesses
|
||||
/* Determine which address registers are used for memory/device accesses */
|
||||
if (dmalp[MCFDMA_DMR] & MCFDMA_DMR_SRCM) {
|
||||
// Source incrementing, must be memory
|
||||
/* Source incrementing, must be memory */
|
||||
dmalp[MCFDMA_DSAR] = a;
|
||||
// Set dest address, must be device
|
||||
/* Set dest address, must be device */
|
||||
dmalp[MCFDMA_DDAR] = dma_device_address[dmanr];
|
||||
} else {
|
||||
// Destination incrementing, must be memory
|
||||
/* Destination incrementing, must be memory */
|
||||
dmalp[MCFDMA_DDAR] = a;
|
||||
// Set source address, must be device
|
||||
/* Set source address, must be device */
|
||||
dmalp[MCFDMA_DSAR] = dma_device_address[dmanr];
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue