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fdc: most control commands do not generate interrupts

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In fact, only three control commands generate an interrupt:
read_id, recalibrate and seek

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Hervé Poussineau 2012-02-06 22:29:04 +01:00 committed by Kevin Wolf
parent 1457a75843
commit a005186c17
1 changed files with 6 additions and 6 deletions
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12
hw/fdc.c
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@ -1348,7 +1348,7 @@ static void fdctrl_handle_lock(FDCtrl *fdctrl, int direction)
{ {
fdctrl->lock = (fdctrl->fifo[0] & 0x80) ? 1 : 0; fdctrl->lock = (fdctrl->fifo[0] & 0x80) ? 1 : 0;
fdctrl->fifo[0] = fdctrl->lock << 4; fdctrl->fifo[0] = fdctrl->lock << 4;
fdctrl_set_fifo(fdctrl, 1, fdctrl->lock); fdctrl_set_fifo(fdctrl, 1, 0);
} }
static void fdctrl_handle_dumpreg(FDCtrl *fdctrl, int direction) static void fdctrl_handle_dumpreg(FDCtrl *fdctrl, int direction)
@ -1380,7 +1380,7 @@ static void fdctrl_handle_version(FDCtrl *fdctrl, int direction)
{ {
/* Controller's version */ /* Controller's version */
fdctrl->fifo[0] = fdctrl->version; fdctrl->fifo[0] = fdctrl->version;
fdctrl_set_fifo(fdctrl, 1, 1); fdctrl_set_fifo(fdctrl, 1, 0);
} }
static void fdctrl_handle_partid(FDCtrl *fdctrl, int direction) static void fdctrl_handle_partid(FDCtrl *fdctrl, int direction)
@ -1439,7 +1439,7 @@ static void fdctrl_handle_save(FDCtrl *fdctrl, int direction)
fdctrl->fifo[12] = fdctrl->pwrd; fdctrl->fifo[12] = fdctrl->pwrd;
fdctrl->fifo[13] = 0; fdctrl->fifo[13] = 0;
fdctrl->fifo[14] = 0; fdctrl->fifo[14] = 0;
fdctrl_set_fifo(fdctrl, 15, 1); fdctrl_set_fifo(fdctrl, 15, 0);
} }
static void fdctrl_handle_readid(FDCtrl *fdctrl, int direction) static void fdctrl_handle_readid(FDCtrl *fdctrl, int direction)
@ -1580,7 +1580,7 @@ static void fdctrl_handle_powerdown_mode(FDCtrl *fdctrl, int direction)
{ {
fdctrl->pwrd = fdctrl->fifo[1]; fdctrl->pwrd = fdctrl->fifo[1];
fdctrl->fifo[0] = fdctrl->fifo[1]; fdctrl->fifo[0] = fdctrl->fifo[1];
fdctrl_set_fifo(fdctrl, 1, 1); fdctrl_set_fifo(fdctrl, 1, 0);
} }
static void fdctrl_handle_option(FDCtrl *fdctrl, int direction) static void fdctrl_handle_option(FDCtrl *fdctrl, int direction)
@ -1599,7 +1599,7 @@ static void fdctrl_handle_drive_specification_command(FDCtrl *fdctrl, int direct
fdctrl->fifo[0] = fdctrl->fifo[1]; fdctrl->fifo[0] = fdctrl->fifo[1];
fdctrl->fifo[2] = 0; fdctrl->fifo[2] = 0;
fdctrl->fifo[3] = 0; fdctrl->fifo[3] = 0;
fdctrl_set_fifo(fdctrl, 4, 1); fdctrl_set_fifo(fdctrl, 4, 0);
} else { } else {
fdctrl_reset_fifo(fdctrl); fdctrl_reset_fifo(fdctrl);
} }
@ -1607,7 +1607,7 @@ static void fdctrl_handle_drive_specification_command(FDCtrl *fdctrl, int direct
/* ERROR */ /* ERROR */
fdctrl->fifo[0] = 0x80 | fdctrl->fifo[0] = 0x80 |
(cur_drv->head << 2) | GET_CUR_DRV(fdctrl); (cur_drv->head << 2) | GET_CUR_DRV(fdctrl);
fdctrl_set_fifo(fdctrl, 1, 1); fdctrl_set_fifo(fdctrl, 1, 0);
} }
} }