diff options
Diffstat (limited to 'drivers/ide/au1xxx-ide.c')
| -rw-r--r-- | drivers/ide/au1xxx-ide.c | 59 |
1 files changed, 12 insertions, 47 deletions
diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c index 154ec2cf734..46013644c96 100644 --- a/drivers/ide/au1xxx-ide.c +++ b/drivers/ide/au1xxx-ide.c @@ -50,7 +50,7 @@ static _auide_hwif auide_hwif; #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA) -void auide_insw(unsigned long port, void *addr, u32 count) +static inline void auide_insw(unsigned long port, void *addr, u32 count) { _auide_hwif *ahwif = &auide_hwif; chan_tab_t *ctp; @@ -68,7 +68,7 @@ void auide_insw(unsigned long port, void *addr, u32 count) ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp); } -void auide_outsw(unsigned long port, void *addr, u32 count) +static inline void auide_outsw(unsigned long port, void *addr, u32 count) { _auide_hwif *ahwif = &auide_hwif; chan_tab_t *ctp; @@ -86,13 +86,13 @@ void auide_outsw(unsigned long port, void *addr, u32 count) ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp); } -static void au1xxx_input_data(ide_drive_t *drive, struct request *rq, +static void au1xxx_input_data(ide_drive_t *drive, struct ide_cmd *cmd, void *buf, unsigned int len) { auide_insw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2); } -static void au1xxx_output_data(ide_drive_t *drive, struct request *rq, +static void au1xxx_output_data(ide_drive_t *drive, struct ide_cmd *cmd, void *buf, unsigned int len) { auide_outsw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2); @@ -209,23 +209,17 @@ static void auide_set_dma_mode(ide_drive_t *drive, const u8 speed) */ #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA -static int auide_build_dmatable(ide_drive_t *drive) +static int auide_build_dmatable(ide_drive_t *drive, struct ide_cmd *cmd) { - int i, iswrite, count = 0; ide_hwif_t *hwif = drive->hwif; - struct request *rq = hwif->rq; _auide_hwif *ahwif = &auide_hwif; struct scatterlist *sg; + int i = cmd->sg_nents, count = 0; + int iswrite = !!(cmd->tf_flags & IDE_TFLAG_WRITE); - iswrite = (rq_data_dir(rq) == WRITE); /* Save for interrupt context */ ahwif->drive = drive; - hwif->sg_nents = i = ide_build_sglist(drive, rq); - - if (!i) - return 0; - /* fill the descriptors */ sg = hwif->sg_table; while (i && sg_dma_len(sg)) { @@ -242,7 +236,7 @@ static int auide_build_dmatable(ide_drive_t *drive) if (++count >= PRD_ENTRIES) { printk(KERN_WARNING "%s: DMA table too small\n", drive->name); - goto use_pio_instead; + return 0; } /* Lets enable intr for the last descriptor only */ @@ -278,21 +272,11 @@ static int auide_build_dmatable(ide_drive_t *drive) if (count) return 1; - use_pio_instead: - ide_destroy_dmatable(drive); - return 0; /* revert to PIO for this request */ } static int auide_dma_end(ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; - - if (hwif->sg_nents) { - ide_destroy_dmatable(drive); - hwif->sg_nents = 0; - } - return 0; } @@ -301,23 +285,11 @@ static void auide_dma_start(ide_drive_t *drive ) } -static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command) +static int auide_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) { - /* issue cmd to drive */ - ide_execute_command(drive, command, &ide_dma_intr, - (2*WAIT_CMD), NULL); -} - -static int auide_dma_setup(ide_drive_t *drive) -{ - struct request *rq = drive->hwif->rq; - - if (!auide_build_dmatable(drive)) { - ide_map_sg(drive, rq); + if (auide_build_dmatable(drive, cmd) == 0) return 1; - } - drive->waiting_for_dma = 1; return 0; } @@ -342,16 +314,11 @@ static void auide_dma_host_set(ide_drive_t *drive, int on) static void auide_ddma_tx_callback(int irq, void *param) { - _auide_hwif *ahwif = (_auide_hwif*)param; - ahwif->drive->waiting_for_dma = 0; } static void auide_ddma_rx_callback(int irq, void *param) { - _auide_hwif *ahwif = (_auide_hwif*)param; - ahwif->drive->waiting_for_dma = 0; } - #endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */ static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 devwidth, u32 flags) @@ -369,12 +336,10 @@ static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 de static const struct ide_dma_ops au1xxx_dma_ops = { .dma_host_set = auide_dma_host_set, .dma_setup = auide_dma_setup, - .dma_exec_cmd = auide_dma_exec_cmd, .dma_start = auide_dma_start, .dma_end = auide_dma_end, .dma_test_irq = auide_dma_test_irq, .dma_lost_irq = ide_dma_lost_irq, - .dma_timeout = ide_dma_timeout, }; static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) @@ -502,9 +467,9 @@ static const struct ide_tp_ops au1xxx_tp_ops = { .exec_command = ide_exec_command, .read_status = ide_read_status, .read_altstatus = ide_read_altstatus, + .write_devctl = ide_write_devctl, - .set_irq = ide_set_irq, - + .dev_select = ide_dev_select, .tf_load = ide_tf_load, .tf_read = ide_tf_read, |