diff options
Diffstat (limited to 'drivers/ata')
-rw-r--r-- | drivers/ata/pata_parport/ppc6lnx.c | 120 |
1 files changed, 36 insertions, 84 deletions
diff --git a/drivers/ata/pata_parport/ppc6lnx.c b/drivers/ata/pata_parport/ppc6lnx.c index 89c40d6ab036..fdc11875bf1b 100644 --- a/drivers/ata/pata_parport/ppc6lnx.c +++ b/drivers/ata/pata_parport/ppc6lnx.c @@ -15,14 +15,6 @@ //*************************************************************************** - -#define port_int 16 - -#define ECR_EPP 0x80 -#define ECR_BI 0x20 - -//*************************************************************************** - // 60772 Commands #define ACCESS_REG 0x00 @@ -57,7 +49,6 @@ //*************************************************************************** -#define CUR_CTRL (((u8 *)&pi->private)[0]) #define PPC_FLAGS (((u8 *)&pi->private)[1]) //*************************************************************************** @@ -109,11 +100,7 @@ static int ppc6_select(struct pi_adapter *pi) pi->saved_r2 = parport_read_control(pi->pardev->port) & 0x5F; // readback ctrl - CUR_CTRL = pi->saved_r2; - - CUR_CTRL |= PARPORT_CONTROL_SELECT; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, PARPORT_CONTROL_SELECT, PARPORT_CONTROL_SELECT); if (pi->saved_r0 == 'b') parport_write_data(pi->pardev->port, 'x'); @@ -123,13 +110,9 @@ static int ppc6_select(struct pi_adapter *pi) parport_write_data(pi->pardev->port, pi->unit); parport_write_data(pi->pardev->port, ~pi->unit); - CUR_CTRL &= ~PARPORT_CONTROL_SELECT; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, PARPORT_CONTROL_SELECT, 0); - CUR_CTRL = (CUR_CTRL & port_int) | PARPORT_CONTROL_INIT; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_write_control(pi->pardev->port, PARPORT_CONTROL_INIT); i = mode_map[pi->mode] & 0x0C; @@ -138,15 +121,11 @@ static int ppc6_select(struct pi_adapter *pi) parport_write_data(pi->pardev->port, i); - CUR_CTRL |= PARPORT_CONTROL_SELECT; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, PARPORT_CONTROL_SELECT, PARPORT_CONTROL_SELECT); // DELAY - CUR_CTRL |= PARPORT_CONTROL_AUTOFD; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, PARPORT_CONTROL_AUTOFD, PARPORT_CONTROL_AUTOFD); j = ((i & 0x08) << 4) | ((i & 0x07) << 3); @@ -154,20 +133,18 @@ static int ppc6_select(struct pi_adapter *pi) if (j == k) { - CUR_CTRL &= ~PARPORT_CONTROL_AUTOFD; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, PARPORT_CONTROL_AUTOFD, 0); k = (parport_read_status(pi->pardev->port) & 0xB8) ^ 0xB8; if (j == k) { if (i & 4) // EPP - CUR_CTRL &= ~(PARPORT_CONTROL_SELECT | PARPORT_CONTROL_INIT); + parport_frob_control(pi->pardev->port, + PARPORT_CONTROL_SELECT | PARPORT_CONTROL_INIT, 0); else // PPC/ECP - CUR_CTRL &= ~PARPORT_CONTROL_SELECT; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, + PARPORT_CONTROL_SELECT, 0); return(1); } @@ -185,11 +162,11 @@ static int ppc6_select(struct pi_adapter *pi) static void ppc6_deselect(struct pi_adapter *pi) { if (mode_map[pi->mode] & 4) // EPP - CUR_CTRL |= PARPORT_CONTROL_INIT; + parport_frob_control(pi->pardev->port, + PARPORT_CONTROL_INIT, PARPORT_CONTROL_INIT); else // PPC/ECP - CUR_CTRL |= PARPORT_CONTROL_SELECT; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, + PARPORT_CONTROL_SELECT, PARPORT_CONTROL_SELECT); parport_write_data(pi->pardev->port, pi->saved_r0); @@ -210,10 +187,7 @@ static void ppc6_send_cmd(struct pi_adapter *pi, u8 cmd) case PPCMODE_BI_FW : { parport_write_data(pi->pardev->port, cmd); - - CUR_CTRL ^= PARPORT_CONTROL_AUTOFD; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, 0, PARPORT_CONTROL_AUTOFD); break; } @@ -241,10 +215,7 @@ static void ppc6_wr_data_byte(struct pi_adapter *pi, u8 data) case PPCMODE_BI_FW : { parport_write_data(pi->pardev->port, data); - - CUR_CTRL ^= PARPORT_CONTROL_INIT; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, 0, PARPORT_CONTROL_INIT); break; } @@ -271,9 +242,8 @@ static u8 ppc6_rd_data_byte(struct pi_adapter *pi) case PPCMODE_UNI_SW : case PPCMODE_UNI_FW : { - CUR_CTRL = (CUR_CTRL & ~PARPORT_CONTROL_STROBE) ^ PARPORT_CONTROL_INIT; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, + PARPORT_CONTROL_STROBE, PARPORT_CONTROL_INIT); // DELAY @@ -281,9 +251,8 @@ static u8 ppc6_rd_data_byte(struct pi_adapter *pi) data = ((data & 0x80) >> 1) | ((data & 0x38) >> 3); - CUR_CTRL |= PARPORT_CONTROL_STROBE; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, + PARPORT_CONTROL_STROBE, PARPORT_CONTROL_STROBE); // DELAY @@ -297,15 +266,12 @@ static u8 ppc6_rd_data_byte(struct pi_adapter *pi) { parport_data_reverse(pi->pardev->port); - CUR_CTRL = (CUR_CTRL | PARPORT_CONTROL_STROBE) ^ PARPORT_CONTROL_INIT; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE, + PARPORT_CONTROL_STROBE | PARPORT_CONTROL_INIT); data = parport_read_data(pi->pardev->port); - CUR_CTRL &= ~PARPORT_CONTROL_STROBE; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE, 0); parport_data_forward(pi->pardev->port); @@ -356,10 +322,8 @@ static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count) { u8 d; - CUR_CTRL = (CUR_CTRL & ~PARPORT_CONTROL_STROBE) - ^ PARPORT_CONTROL_INIT; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, + PARPORT_CONTROL_STROBE, PARPORT_CONTROL_INIT); // DELAY @@ -367,9 +331,8 @@ static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count) d = ((d & 0x80) >> 1) | ((d & 0x38) >> 3); - CUR_CTRL |= PARPORT_CONTROL_STROBE; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, + PARPORT_CONTROL_STROBE, PARPORT_CONTROL_STROBE); // DELAY @@ -387,21 +350,16 @@ static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count) { parport_data_reverse(pi->pardev->port); - CUR_CTRL |= PARPORT_CONTROL_STROBE; - while(count) { - CUR_CTRL ^= PARPORT_CONTROL_INIT; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE, + PARPORT_CONTROL_STROBE | PARPORT_CONTROL_INIT); *data++ = parport_read_data(pi->pardev->port); count--; } - CUR_CTRL &= ~PARPORT_CONTROL_STROBE; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE, 0); parport_data_forward(pi->pardev->port); @@ -467,9 +425,7 @@ static void ppc6_wr_data_blk(struct pi_adapter *pi, u8 *data, long count) { parport_write_data(pi->pardev->port, *data++); - CUR_CTRL ^= PARPORT_CONTROL_INIT; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, 0, PARPORT_CONTROL_INIT); } break; @@ -482,9 +438,8 @@ static void ppc6_wr_data_blk(struct pi_adapter *pi, u8 *data, long count) ppc6_send_cmd(pi, CMD_PREFIX_SET | PREFIX_FASTWR); - CUR_CTRL |= PARPORT_CONTROL_STROBE; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, + PARPORT_CONTROL_STROBE, PARPORT_CONTROL_STROBE); last = *data; @@ -497,9 +452,8 @@ static void ppc6_wr_data_blk(struct pi_adapter *pi, u8 *data, long count) if (this == last) { - CUR_CTRL ^= PARPORT_CONTROL_INIT; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, + 0, PARPORT_CONTROL_INIT); } else { @@ -509,9 +463,7 @@ static void ppc6_wr_data_blk(struct pi_adapter *pi, u8 *data, long count) } } - CUR_CTRL &= ~PARPORT_CONTROL_STROBE; - - parport_write_control(pi->pardev->port, CUR_CTRL); + parport_frob_control(pi->pardev->port, PARPORT_CONTROL_STROBE, 0); ppc6_send_cmd(pi, CMD_PREFIX_RESET | PREFIX_FASTWR); |