aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/sata_promise.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/sata_promise.c')
-rw-r--r--drivers/scsi/sata_promise.c95
1 files changed, 73 insertions, 22 deletions
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index 919fb314ad10..7c4f6ecc1cc9 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -7,21 +7,26 @@
7 * 7 *
8 * Copyright 2003-2004 Red Hat, Inc. 8 * Copyright 2003-2004 Red Hat, Inc.
9 * 9 *
10 * The contents of this file are subject to the Open
11 * Software License version 1.1 that can be found at
12 * http://www.opensource.org/licenses/osl-1.1.txt and is included herein
13 * by reference.
14 * 10 *
15 * Alternatively, the contents of this file may be used under the terms 11 * This program is free software; you can redistribute it and/or modify
16 * of the GNU General Public License version 2 (the "GPL") as distributed 12 * it under the terms of the GNU General Public License as published by
17 * in the kernel source COPYING file, in which case the provisions of 13 * the Free Software Foundation; either version 2, or (at your option)
18 * the GPL are applicable instead of the above. If you wish to allow 14 * any later version.
19 * the use of your version of this file only under the terms of the 15 *
20 * GPL and not to allow others to use your version of this file under 16 * This program is distributed in the hope that it will be useful,
21 * the OSL, indicate your decision by deleting the provisions above and 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * replace them with the notice and other provisions required by the GPL. 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * If you do not delete the provisions above, a recipient may use your 19 * GNU General Public License for more details.
24 * version of this file under either the OSL or the GPL. 20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 *
26 * libata documentation is available via 'make {ps|pdf}docs',
27 * as Documentation/DocBook/libata.*
28 *
29 * Hardware information only available under NDA.
25 * 30 *
26 */ 31 */
27 32
@@ -79,7 +84,8 @@ static irqreturn_t pdc_interrupt (int irq, void *dev_instance, struct pt_regs *r
79static void pdc_eng_timeout(struct ata_port *ap); 84static void pdc_eng_timeout(struct ata_port *ap);
80static int pdc_port_start(struct ata_port *ap); 85static int pdc_port_start(struct ata_port *ap);
81static void pdc_port_stop(struct ata_port *ap); 86static void pdc_port_stop(struct ata_port *ap);
82static void pdc_phy_reset(struct ata_port *ap); 87static void pdc_pata_phy_reset(struct ata_port *ap);
88static void pdc_sata_phy_reset(struct ata_port *ap);
83static void pdc_qc_prep(struct ata_queued_cmd *qc); 89static void pdc_qc_prep(struct ata_queued_cmd *qc);
84static void pdc_tf_load_mmio(struct ata_port *ap, struct ata_taskfile *tf); 90static void pdc_tf_load_mmio(struct ata_port *ap, struct ata_taskfile *tf);
85static void pdc_exec_command_mmio(struct ata_port *ap, struct ata_taskfile *tf); 91static void pdc_exec_command_mmio(struct ata_port *ap, struct ata_taskfile *tf);
@@ -106,19 +112,22 @@ static Scsi_Host_Template pdc_ata_sht = {
106 .ordered_flush = 1, 112 .ordered_flush = 1,
107}; 113};
108 114
109static struct ata_port_operations pdc_ata_ops = { 115static struct ata_port_operations pdc_sata_ops = {
110 .port_disable = ata_port_disable, 116 .port_disable = ata_port_disable,
111 .tf_load = pdc_tf_load_mmio, 117 .tf_load = pdc_tf_load_mmio,
112 .tf_read = ata_tf_read, 118 .tf_read = ata_tf_read,
113 .check_status = ata_check_status, 119 .check_status = ata_check_status,
114 .exec_command = pdc_exec_command_mmio, 120 .exec_command = pdc_exec_command_mmio,
115 .dev_select = ata_std_dev_select, 121 .dev_select = ata_std_dev_select,
116 .phy_reset = pdc_phy_reset, 122
123 .phy_reset = pdc_sata_phy_reset,
124
117 .qc_prep = pdc_qc_prep, 125 .qc_prep = pdc_qc_prep,
118 .qc_issue = pdc_qc_issue_prot, 126 .qc_issue = pdc_qc_issue_prot,
119 .eng_timeout = pdc_eng_timeout, 127 .eng_timeout = pdc_eng_timeout,
120 .irq_handler = pdc_interrupt, 128 .irq_handler = pdc_interrupt,
121 .irq_clear = pdc_irq_clear, 129 .irq_clear = pdc_irq_clear,
130
122 .scr_read = pdc_sata_scr_read, 131 .scr_read = pdc_sata_scr_read,
123 .scr_write = pdc_sata_scr_write, 132 .scr_write = pdc_sata_scr_write,
124 .port_start = pdc_port_start, 133 .port_start = pdc_port_start,
@@ -126,6 +135,27 @@ static struct ata_port_operations pdc_ata_ops = {
126 .host_stop = ata_host_stop, 135 .host_stop = ata_host_stop,
127}; 136};
128 137
138static struct ata_port_operations pdc_pata_ops = {
139 .port_disable = ata_port_disable,
140 .tf_load = pdc_tf_load_mmio,
141 .tf_read = ata_tf_read,
142 .check_status = ata_check_status,
143 .exec_command = pdc_exec_command_mmio,
144 .dev_select = ata_std_dev_select,
145
146 .phy_reset = pdc_pata_phy_reset,
147
148 .qc_prep = pdc_qc_prep,
149 .qc_issue = pdc_qc_issue_prot,
150 .eng_timeout = pdc_eng_timeout,
151 .irq_handler = pdc_interrupt,
152 .irq_clear = pdc_irq_clear,
153
154 .port_start = pdc_port_start,
155 .port_stop = pdc_port_stop,
156 .host_stop = ata_host_stop,
157};
158
129static struct ata_port_info pdc_port_info[] = { 159static struct ata_port_info pdc_port_info[] = {
130 /* board_2037x */ 160 /* board_2037x */
131 { 161 {
@@ -135,7 +165,7 @@ static struct ata_port_info pdc_port_info[] = {
135 .pio_mask = 0x1f, /* pio0-4 */ 165 .pio_mask = 0x1f, /* pio0-4 */
136 .mwdma_mask = 0x07, /* mwdma0-2 */ 166 .mwdma_mask = 0x07, /* mwdma0-2 */
137 .udma_mask = 0x7f, /* udma0-6 ; FIXME */ 167 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
138 .port_ops = &pdc_ata_ops, 168 .port_ops = &pdc_sata_ops,
139 }, 169 },
140 170
141 /* board_20319 */ 171 /* board_20319 */
@@ -146,7 +176,7 @@ static struct ata_port_info pdc_port_info[] = {
146 .pio_mask = 0x1f, /* pio0-4 */ 176 .pio_mask = 0x1f, /* pio0-4 */
147 .mwdma_mask = 0x07, /* mwdma0-2 */ 177 .mwdma_mask = 0x07, /* mwdma0-2 */
148 .udma_mask = 0x7f, /* udma0-6 ; FIXME */ 178 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
149 .port_ops = &pdc_ata_ops, 179 .port_ops = &pdc_sata_ops,
150 }, 180 },
151 181
152 /* board_20619 */ 182 /* board_20619 */
@@ -157,7 +187,7 @@ static struct ata_port_info pdc_port_info[] = {
157 .pio_mask = 0x1f, /* pio0-4 */ 187 .pio_mask = 0x1f, /* pio0-4 */
158 .mwdma_mask = 0x07, /* mwdma0-2 */ 188 .mwdma_mask = 0x07, /* mwdma0-2 */
159 .udma_mask = 0x7f, /* udma0-6 ; FIXME */ 189 .udma_mask = 0x7f, /* udma0-6 ; FIXME */
160 .port_ops = &pdc_ata_ops, 190 .port_ops = &pdc_pata_ops,
161 }, 191 },
162}; 192};
163 193
@@ -181,6 +211,10 @@ static struct pci_device_id pdc_ata_pci_tbl[] = {
181 board_20319 }, 211 board_20319 },
182 { PCI_VENDOR_ID_PROMISE, 0x3319, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 212 { PCI_VENDOR_ID_PROMISE, 0x3319, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
183 board_20319 }, 213 board_20319 },
214 { PCI_VENDOR_ID_PROMISE, 0x3519, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
215 board_20319 },
216 { PCI_VENDOR_ID_PROMISE, 0x3d17, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
217 board_20319 },
184 { PCI_VENDOR_ID_PROMISE, 0x3d18, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 218 { PCI_VENDOR_ID_PROMISE, 0x3d18, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
185 board_20319 }, 219 board_20319 },
186 220
@@ -268,12 +302,23 @@ static void pdc_reset_port(struct ata_port *ap)
268 readl(mmio); /* flush */ 302 readl(mmio); /* flush */
269} 303}
270 304
271static void pdc_phy_reset(struct ata_port *ap) 305static void pdc_sata_phy_reset(struct ata_port *ap)
272{ 306{
273 pdc_reset_port(ap); 307 pdc_reset_port(ap);
274 sata_phy_reset(ap); 308 sata_phy_reset(ap);
275} 309}
276 310
311static void pdc_pata_phy_reset(struct ata_port *ap)
312{
313 /* FIXME: add cable detect. Don't assume 40-pin cable */
314 ap->cbl = ATA_CBL_PATA40;
315 ap->udma_mask &= ATA_UDMA_MASK_40C;
316
317 pdc_reset_port(ap);
318 ata_port_probe(ap);
319 ata_bus_reset(ap);
320}
321
277static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg) 322static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
278{ 323{
279 if (sc_reg > SCR_CONTROL) 324 if (sc_reg > SCR_CONTROL)
@@ -321,11 +366,15 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc)
321 366
322static void pdc_eng_timeout(struct ata_port *ap) 367static void pdc_eng_timeout(struct ata_port *ap)
323{ 368{
369 struct ata_host_set *host_set = ap->host_set;
324 u8 drv_stat; 370 u8 drv_stat;
325 struct ata_queued_cmd *qc; 371 struct ata_queued_cmd *qc;
372 unsigned long flags;
326 373
327 DPRINTK("ENTER\n"); 374 DPRINTK("ENTER\n");
328 375
376 spin_lock_irqsave(&host_set->lock, flags);
377
329 qc = ata_qc_from_tag(ap, ap->active_tag); 378 qc = ata_qc_from_tag(ap, ap->active_tag);
330 if (!qc) { 379 if (!qc) {
331 printk(KERN_ERR "ata%u: BUG: timeout without command\n", 380 printk(KERN_ERR "ata%u: BUG: timeout without command\n",
@@ -359,6 +408,7 @@ static void pdc_eng_timeout(struct ata_port *ap)
359 } 408 }
360 409
361out: 410out:
411 spin_unlock_irqrestore(&host_set->lock, flags);
362 DPRINTK("EXIT\n"); 412 DPRINTK("EXIT\n");
363} 413}
364 414
@@ -441,7 +491,8 @@ static irqreturn_t pdc_interrupt (int irq, void *dev_instance, struct pt_regs *r
441 VPRINTK("port %u\n", i); 491 VPRINTK("port %u\n", i);
442 ap = host_set->ports[i]; 492 ap = host_set->ports[i];
443 tmp = mask & (1 << (i + 1)); 493 tmp = mask & (1 << (i + 1));
444 if (tmp && ap && (!(ap->flags & ATA_FLAG_PORT_DISABLED))) { 494 if (tmp && ap &&
495 !(ap->flags & (ATA_FLAG_PORT_DISABLED | ATA_FLAG_NOINTR))) {
445 struct ata_queued_cmd *qc; 496 struct ata_queued_cmd *qc;
446 497
447 qc = ata_qc_from_tag(ap, ap->active_tag); 498 qc = ata_qc_from_tag(ap, ap->active_tag);