ata-siliconimage.c revision 201758
1/*-
2 * Copyright (c) 1998 - 2008 S�ren Schmidt <sos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer,
10 *    without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/dev/ata/chipsets/ata-siliconimage.c 201758 2010-01-07 21:01:37Z mbr $");
29
30#include "opt_ata.h"
31#include <sys/param.h>
32#include <sys/module.h>
33#include <sys/systm.h>
34#include <sys/kernel.h>
35#include <sys/ata.h>
36#include <sys/bus.h>
37#include <sys/endian.h>
38#include <sys/malloc.h>
39#include <sys/lock.h>
40#include <sys/mutex.h>
41#include <sys/sema.h>
42#include <sys/taskqueue.h>
43#include <vm/uma.h>
44#include <machine/stdarg.h>
45#include <machine/resource.h>
46#include <machine/bus.h>
47#include <sys/rman.h>
48#include <dev/pci/pcivar.h>
49#include <dev/pci/pcireg.h>
50#include <dev/ata/ata-all.h>
51#include <dev/ata/ata-pci.h>
52#include <ata_if.h>
53
54/* local prototypes */
55static int ata_cmd_ch_attach(device_t dev);
56static int ata_cmd_status(device_t dev);
57static int ata_cmd_setmode(device_t dev, int target, int mode);
58static int ata_sii_ch_attach(device_t dev);
59static int ata_sii_ch_detach(device_t dev);
60static int ata_sii_status(device_t dev);
61static void ata_sii_reset(device_t dev);
62static int ata_sii_setmode(device_t dev, int target, int mode);
63static int ata_siiprb_ch_attach(device_t dev);
64static int ata_siiprb_ch_detach(device_t dev);
65static int ata_siiprb_status(device_t dev);
66static int ata_siiprb_begin_transaction(struct ata_request *request);
67static int ata_siiprb_end_transaction(struct ata_request *request);
68static int ata_siiprb_pm_read(device_t dev, int port, int reg, u_int32_t *result);
69static int ata_siiprb_pm_write(device_t dev, int port, int reg, u_int32_t result);
70static u_int32_t ata_siiprb_softreset(device_t dev, int port);
71static void ata_siiprb_reset(device_t dev);
72static void ata_siiprb_dmasetprd(void *xsc, bus_dma_segment_t *segs, int nsegs, int error);
73static void ata_siiprb_dmainit(device_t dev);
74
75/* misc defines */
76#define SII_MEMIO	1
77#define SII_PRBIO	2
78#define SII_INTR	0x01
79#define SII_SETCLK	0x02
80#define SII_BUG		0x04
81#define SII_4CH		0x08
82
83
84/*
85 * Silicon Image Inc. (SiI) (former CMD) chipset support functions
86 */
87static int
88ata_sii_probe(device_t dev)
89{
90    struct ata_pci_controller *ctlr = device_get_softc(dev);
91    static struct ata_chip_id ids[] =
92    {{ ATA_SII3114,   0x00, SII_MEMIO, SII_4CH,    ATA_SA150, "3114" },
93     { ATA_SII3512,   0x02, SII_MEMIO, 0,          ATA_SA150, "3512" },
94     { ATA_SII3112,   0x02, SII_MEMIO, 0,          ATA_SA150, "3112" },
95     { ATA_SII3112_1, 0x02, SII_MEMIO, 0,          ATA_SA150, "3112" },
96     { ATA_SII3512,   0x00, SII_MEMIO, SII_BUG,    ATA_SA150, "3512" },
97     { ATA_SII3112,   0x00, SII_MEMIO, SII_BUG,    ATA_SA150, "3112" },
98     { ATA_SII3112_1, 0x00, SII_MEMIO, SII_BUG,    ATA_SA150, "3112" },
99     { ATA_SII3124,   0x00, SII_PRBIO, SII_4CH,    ATA_SA300, "3124" },
100     { ATA_SII3132,   0x00, SII_PRBIO, 0,          ATA_SA300, "3132" },
101     { ATA_SII3132_1, 0x00, SII_PRBIO, 0,          ATA_SA300, "3132" },
102     { ATA_SII3132_2, 0x00, SII_PRBIO, 0,          ATA_SA300, "3132" },
103     { ATA_SII0680,   0x00, SII_MEMIO, SII_SETCLK, ATA_UDMA6, "680" },
104     { ATA_CMD649,    0x00, 0,         SII_INTR,   ATA_UDMA5, "(CMD) 649" },
105     { ATA_CMD648,    0x00, 0,         SII_INTR,   ATA_UDMA4, "(CMD) 648" },
106     { ATA_CMD646,    0x07, 0,         0,          ATA_UDMA2, "(CMD) 646U2" },
107     { ATA_CMD646,    0x00, 0,         0,          ATA_WDMA2, "(CMD) 646" },
108     { 0, 0, 0, 0, 0, 0}};
109
110    if (pci_get_vendor(dev) != ATA_SILICON_IMAGE_ID)
111	return ENXIO;
112
113    if (!(ctlr->chip = ata_match_chip(dev, ids)))
114	return ENXIO;
115
116    ata_set_desc(dev);
117    ctlr->chipinit = ata_sii_chipinit;
118    return (BUS_PROBE_DEFAULT);
119}
120
121int
122ata_sii_chipinit(device_t dev)
123{
124    struct ata_pci_controller *ctlr = device_get_softc(dev);
125
126    if (ata_setup_interrupt(dev, ata_generic_intr))
127	return ENXIO;
128
129    switch (ctlr->chip->cfg1) {
130    case SII_PRBIO:
131	ctlr->r_type1 = SYS_RES_MEMORY;
132	ctlr->r_rid1 = PCIR_BAR(0);
133	if (!(ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1,
134						    &ctlr->r_rid1, RF_ACTIVE)))
135	    return ENXIO;
136
137	ctlr->r_rid2 = PCIR_BAR(2);
138	ctlr->r_type2 = SYS_RES_MEMORY;
139	if (!(ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
140						    &ctlr->r_rid2, RF_ACTIVE))){
141	    bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1,ctlr->r_res1);
142	    return ENXIO;
143	}
144	ctlr->ch_attach = ata_siiprb_ch_attach;
145	ctlr->ch_detach = ata_siiprb_ch_detach;
146	ctlr->reset = ata_siiprb_reset;
147	ctlr->setmode = ata_sata_setmode;
148	ctlr->getrev = ata_sata_getrev;
149	ctlr->channels = (ctlr->chip->cfg2 == SII_4CH) ? 4 : 2;
150
151	/* reset controller */
152	ATA_OUTL(ctlr->r_res1, 0x0040, 0x80000000);
153	DELAY(10000);
154	ATA_OUTL(ctlr->r_res1, 0x0040, 0x0000000f);
155	break;
156
157    case SII_MEMIO:
158	ctlr->r_type2 = SYS_RES_MEMORY;
159	ctlr->r_rid2 = PCIR_BAR(5);
160	if (!(ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
161						    &ctlr->r_rid2, RF_ACTIVE))){
162	    if (ctlr->chip->chipid != ATA_SII0680 ||
163			    (pci_read_config(dev, 0x8a, 1) & 1))
164		return ENXIO;
165	}
166
167	if (ctlr->chip->cfg2 & SII_SETCLK) {
168	    if ((pci_read_config(dev, 0x8a, 1) & 0x30) != 0x10)
169		pci_write_config(dev, 0x8a,
170				 (pci_read_config(dev, 0x8a, 1) & 0xcf)|0x10,1);
171	    if ((pci_read_config(dev, 0x8a, 1) & 0x30) != 0x10)
172		device_printf(dev, "%s could not set ATA133 clock\n",
173			      ctlr->chip->text);
174	}
175
176	/* if we have 4 channels enable the second set */
177	if (ctlr->chip->cfg2 & SII_4CH) {
178	    ATA_OUTL(ctlr->r_res2, 0x0200, 0x00000002);
179	    ctlr->channels = 4;
180	}
181
182	/* dont block interrupts from any channel */
183	pci_write_config(dev, 0x48,
184			 (pci_read_config(dev, 0x48, 4) & ~0x03c00000), 4);
185
186	/* enable PCI interrupt as BIOS might not */
187	pci_write_config(dev, 0x8a, (pci_read_config(dev, 0x8a, 1) & 0x3f), 1);
188
189	if (ctlr->r_res2) {
190	    ctlr->ch_attach = ata_sii_ch_attach;
191	    ctlr->ch_detach = ata_sii_ch_detach;
192	}
193
194	if (ctlr->chip->max_dma >= ATA_SA150) {
195	    ctlr->reset = ata_sii_reset;
196	    ctlr->setmode = ata_sata_setmode;
197	    ctlr->getrev = ata_sata_getrev;
198	}
199	else
200	    ctlr->setmode = ata_sii_setmode;
201	break;
202
203    default:
204	if ((pci_read_config(dev, 0x51, 1) & 0x08) != 0x08) {
205	    device_printf(dev, "HW has secondary channel disabled\n");
206	    ctlr->channels = 1;
207	}
208
209	/* enable interrupt as BIOS might not */
210	pci_write_config(dev, 0x71, 0x01, 1);
211
212	ctlr->ch_attach = ata_cmd_ch_attach;
213	ctlr->ch_detach = ata_pci_ch_detach;
214	ctlr->setmode = ata_cmd_setmode;
215	break;
216    }
217    return 0;
218}
219
220static int
221ata_cmd_ch_attach(device_t dev)
222{
223    struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
224    struct ata_channel *ch = device_get_softc(dev);
225
226    /* setup the usual register normal pci style */
227    if (ata_pci_ch_attach(dev))
228	return ENXIO;
229
230    if (ctlr->chip->cfg2 & SII_INTR)
231	ch->hw.status = ata_cmd_status;
232
233    return 0;
234}
235
236static int
237ata_cmd_status(device_t dev)
238{
239    struct ata_channel *ch = device_get_softc(dev);
240    u_int8_t reg71;
241
242    if (((reg71 = pci_read_config(device_get_parent(dev), 0x71, 1)) &
243	 (ch->unit ? 0x08 : 0x04))) {
244	pci_write_config(device_get_parent(dev), 0x71,
245			 reg71 & ~(ch->unit ? 0x04 : 0x08), 1);
246	return ata_pci_status(dev);
247    }
248    return 0;
249}
250
251static int
252ata_cmd_setmode(device_t dev, int target, int mode)
253{
254	device_t parent = device_get_parent(dev);
255	struct ata_pci_controller *ctlr = device_get_softc(parent);
256	struct ata_channel *ch = device_get_softc(dev);
257	int devno = (ch->unit << 1) + target;
258	int treg = 0x54 + ((devno < 3) ? (devno << 1) : 7);
259	int ureg = ch->unit ? 0x7b : 0x73;
260	int piomode;
261	uint8_t piotimings[] = { 0xa9, 0x57, 0x44, 0x32, 0x3f, 0x87, 0x32, 0x3f };
262	uint8_t udmatimings[][2] = { { 0x31,  0xc2 }, { 0x21,  0x82 },
263				     { 0x11,  0x42 }, { 0x25,  0x8a },
264				     { 0x15,  0x4a }, { 0x05,  0x0a } };
265
266	mode = min(mode, ctlr->chip->max_dma);
267	if (mode >= ATA_UDMA0) {
268		u_int8_t umode = pci_read_config(parent, ureg, 1);
269
270	        umode &= ~(target == 0 ? 0x35 : 0xca);
271		umode |= udmatimings[mode & ATA_MODE_MASK][target];
272		pci_write_config(parent, ureg, umode, 1);
273		piomode = ATA_PIO4;
274	} else {
275		pci_write_config(parent, ureg,
276			     pci_read_config(parent, ureg, 1) &
277			     ~(target == 0 ? 0x35 : 0xca), 1);
278		piomode = mode;
279	}
280	pci_write_config(parent, treg, piotimings[ata_mode2idx(piomode)], 1);
281	return (mode);
282}
283
284static int
285ata_sii_ch_attach(device_t dev)
286{
287    struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
288    struct ata_channel *ch = device_get_softc(dev);
289    int unit01 = (ch->unit & 1), unit10 = (ch->unit & 2);
290    int i;
291
292    ata_pci_dmainit(dev);
293
294    for (i = ATA_DATA; i <= ATA_COMMAND; i++) {
295	ch->r_io[i].res = ctlr->r_res2;
296	ch->r_io[i].offset = 0x80 + i + (unit01 << 6) + (unit10 << 8);
297    }
298    ch->r_io[ATA_CONTROL].res = ctlr->r_res2;
299    ch->r_io[ATA_CONTROL].offset = 0x8a + (unit01 << 6) + (unit10 << 8);
300    ch->r_io[ATA_IDX_ADDR].res = ctlr->r_res2;
301    ata_default_registers(dev);
302
303    ch->r_io[ATA_BMCMD_PORT].res = ctlr->r_res2;
304    ch->r_io[ATA_BMCMD_PORT].offset = 0x00 + (unit01 << 3) + (unit10 << 8);
305    ch->r_io[ATA_BMSTAT_PORT].res = ctlr->r_res2;
306    ch->r_io[ATA_BMSTAT_PORT].offset = 0x02 + (unit01 << 3) + (unit10 << 8);
307    ch->r_io[ATA_BMDTP_PORT].res = ctlr->r_res2;
308    ch->r_io[ATA_BMDTP_PORT].offset = 0x04 + (unit01 << 3) + (unit10 << 8);
309
310    if (ctlr->chip->max_dma >= ATA_SA150) {
311	ch->r_io[ATA_SSTATUS].res = ctlr->r_res2;
312	ch->r_io[ATA_SSTATUS].offset = 0x104 + (unit01 << 7) + (unit10 << 8);
313	ch->r_io[ATA_SERROR].res = ctlr->r_res2;
314	ch->r_io[ATA_SERROR].offset = 0x108 + (unit01 << 7) + (unit10 << 8);
315	ch->r_io[ATA_SCONTROL].res = ctlr->r_res2;
316	ch->r_io[ATA_SCONTROL].offset = 0x100 + (unit01 << 7) + (unit10 << 8);
317	ch->flags |= ATA_NO_SLAVE;
318	ch->flags |= ATA_SATA;
319
320	/* enable PHY state change interrupt */
321	ATA_OUTL(ctlr->r_res2, 0x148 + (unit01 << 7) + (unit10 << 8),(1 << 16));
322    }
323
324    if (ctlr->chip->cfg2 & SII_BUG) {
325	/* work around errata in early chips */
326	ch->dma.boundary = 8192;
327	ch->dma.segsize = 15 * DEV_BSIZE;
328    }
329
330    ata_pci_hw(dev);
331    ch->hw.status = ata_sii_status;
332    if (ctlr->chip->cfg2 & SII_SETCLK)
333	ch->flags |= ATA_CHECKS_CABLE;
334    return 0;
335}
336
337static int
338ata_sii_ch_detach(device_t dev)
339{
340
341    ata_pci_dmafini(dev);
342    return (0);
343}
344
345static int
346ata_sii_status(device_t dev)
347{
348    struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
349    struct ata_channel *ch = device_get_softc(dev);
350    int offset0 = ((ch->unit & 1) << 3) + ((ch->unit & 2) << 8);
351    int offset1 = ((ch->unit & 1) << 6) + ((ch->unit & 2) << 8);
352
353    /* do we have any PHY events ? */
354    if (ctlr->chip->max_dma >= ATA_SA150 &&
355	(ATA_INL(ctlr->r_res2, 0x10 + offset0) & 0x00000010))
356	ata_sata_phy_check_events(dev);
357
358    if (ATA_INL(ctlr->r_res2, 0xa0 + offset1) & 0x00000800)
359	return ata_pci_status(dev);
360    else
361	return 0;
362}
363
364static void
365ata_sii_reset(device_t dev)
366{
367    if (ata_sata_phy_reset(dev, -1, 1))
368	ata_generic_reset(dev);
369}
370
371static int
372ata_sii_setmode(device_t dev, int target, int mode)
373{
374	device_t parent = device_get_parent(dev);
375	struct ata_pci_controller *ctlr = device_get_softc(parent);
376	struct ata_channel *ch = device_get_softc(dev);
377	int rego = (ch->unit << 4) + (target << 1);
378	int mreg = ch->unit ? 0x84 : 0x80;
379	int mask = 0x03 << (target << 2);
380	int mval = pci_read_config(parent, mreg, 1) & ~mask;
381	int piomode;
382	u_int8_t preg = 0xa4 + rego;
383	u_int8_t dreg = 0xa8 + rego;
384	u_int8_t ureg = 0xac + rego;
385	u_int16_t piotimings[] = { 0x328a, 0x2283, 0x1104, 0x10c3, 0x10c1 };
386	u_int16_t dmatimings[] = { 0x2208, 0x10c2, 0x10c1 };
387	u_int8_t udmatimings[] = { 0xf, 0xb, 0x7, 0x5, 0x3, 0x2, 0x1 };
388
389	mode = min(mode, ctlr->chip->max_dma);
390
391	if (ctlr->chip->cfg2 & SII_SETCLK) {
392	    if (mode > ATA_UDMA2 && (pci_read_config(parent, 0x79, 1) &
393				 (ch->unit ? 0x02 : 0x01))) {
394		ata_print_cable(dev, "controller");
395		mode = ATA_UDMA2;
396	    }
397	}
398	if (mode >= ATA_UDMA0) {
399		pci_write_config(parent, mreg,
400			 mval | (0x03 << (target << 2)), 1);
401		pci_write_config(parent, ureg,
402			 (pci_read_config(parent, ureg, 1) & ~0x3f) |
403			 udmatimings[mode & ATA_MODE_MASK], 1);
404		piomode = ATA_PIO4;
405	} else if (mode >= ATA_WDMA0) {
406		pci_write_config(parent, mreg,
407			 mval | (0x02 << (target << 2)), 1);
408		pci_write_config(parent, dreg, dmatimings[mode & ATA_MODE_MASK], 2);
409		piomode = (mode == ATA_WDMA0) ? ATA_PIO0 :
410		    (mode == ATA_WDMA1) ? ATA_PIO3 : ATA_PIO4;
411	} else {
412		pci_write_config(parent, mreg,
413			 mval | (0x01 << (target << 2)), 1);
414		piomode = mode;
415	}
416	pci_write_config(parent, preg, piotimings[ata_mode2idx(piomode)], 2);
417	return (mode);
418}
419
420
421struct ata_siiprb_dma_prdentry {
422    u_int64_t addr;
423    u_int32_t count;
424    u_int32_t control;
425} __packed;
426
427#define ATA_SIIPRB_DMA_ENTRIES		129
428struct ata_siiprb_ata_command {
429    struct ata_siiprb_dma_prdentry prd[ATA_SIIPRB_DMA_ENTRIES];
430} __packed;
431
432struct ata_siiprb_atapi_command {
433    u_int8_t ccb[16];
434    struct ata_siiprb_dma_prdentry prd[ATA_SIIPRB_DMA_ENTRIES];
435} __packed;
436
437struct ata_siiprb_command {
438    u_int16_t control;
439    u_int16_t protocol_override;
440    u_int32_t transfer_count;
441    u_int8_t fis[24];
442    union {
443	struct ata_siiprb_ata_command ata;
444	struct ata_siiprb_atapi_command atapi;
445    } u;
446} __packed;
447
448static int
449ata_siiprb_ch_attach(device_t dev)
450{
451    struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
452    struct ata_channel *ch = device_get_softc(dev);
453    int offset = ch->unit * 0x2000;
454
455    ata_siiprb_dmainit(dev);
456
457    /* set the SATA resources */
458    ch->r_io[ATA_SSTATUS].res = ctlr->r_res2;
459    ch->r_io[ATA_SSTATUS].offset = 0x1f04 + offset;
460    ch->r_io[ATA_SERROR].res = ctlr->r_res2;
461    ch->r_io[ATA_SERROR].offset = 0x1f08 + offset;
462    ch->r_io[ATA_SCONTROL].res = ctlr->r_res2;
463    ch->r_io[ATA_SCONTROL].offset = 0x1f00 + offset;
464    ch->r_io[ATA_SACTIVE].res = ctlr->r_res2;
465    ch->r_io[ATA_SACTIVE].offset = 0x1f0c + offset;
466
467    ch->hw.status = ata_siiprb_status;
468    ch->hw.begin_transaction = ata_siiprb_begin_transaction;
469    ch->hw.end_transaction = ata_siiprb_end_transaction;
470    ch->hw.command = NULL;	/* not used here */
471    ch->hw.softreset = ata_siiprb_softreset;
472    ch->hw.pm_read = ata_siiprb_pm_read;
473    ch->hw.pm_write = ata_siiprb_pm_write;
474
475    return 0;
476}
477
478static int
479ata_siiprb_ch_detach(device_t dev)
480{
481
482    ata_dmafini(dev);
483    return 0;
484}
485
486static int
487ata_siiprb_status(device_t dev)
488{
489    struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
490    struct ata_channel *ch = device_get_softc(dev);
491    u_int32_t action = ATA_INL(ctlr->r_res1, 0x0044);
492    int offset = ch->unit * 0x2000;
493
494    if (action & (1 << ch->unit)) {
495	u_int32_t istatus = ATA_INL(ctlr->r_res2, 0x1008 + offset);
496
497	/* do we have any PHY events ? */
498	ata_sata_phy_check_events(dev);
499
500	/* clear interrupt(s) */
501	ATA_OUTL(ctlr->r_res2, 0x1008 + offset, istatus);
502
503	/* do we have any device action ? */
504	return (istatus & 0x00000003);
505    }
506    return 0;
507}
508
509static int
510ata_siiprb_begin_transaction(struct ata_request *request)
511{
512    struct ata_pci_controller *ctlr=device_get_softc(device_get_parent(request->parent));
513    struct ata_channel *ch = device_get_softc(request->parent);
514    struct ata_siiprb_command *prb;
515    struct ata_siiprb_dma_prdentry *prd;
516    int offset = ch->unit * 0x2000;
517    u_int64_t prb_bus;
518
519    /* SOS XXX */
520    if (request->u.ata.command == ATA_DEVICE_RESET) {
521        request->result = 0;
522        return ATA_OP_FINISHED;
523    }
524
525    /* get a piece of the workspace for this request */
526    prb = (struct ata_siiprb_command *)ch->dma.work;
527
528    /* clear the prb structure */
529    bzero(prb, sizeof(struct ata_siiprb_command));
530
531    /* setup the FIS for this request */
532    if (!ata_request2fis_h2d(request, &prb->fis[0])) {
533        device_printf(request->parent, "setting up SATA FIS failed\n");
534        request->result = EIO;
535        return ATA_OP_FINISHED;
536    }
537
538    /* setup transfer type */
539    if (request->flags & ATA_R_ATAPI) {
540	bcopy(request->u.atapi.ccb, prb->u.atapi.ccb, 16);
541	if (request->flags & ATA_R_ATAPI16)
542	    ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000020);
543	else
544	    ATA_OUTL(ctlr->r_res2, 0x1004 + offset, 0x00000020);
545	if (request->flags & ATA_R_READ)
546	    prb->control = htole16(0x0010);
547	if (request->flags & ATA_R_WRITE)
548	    prb->control = htole16(0x0020);
549	prd = &prb->u.atapi.prd[0];
550    }
551    else
552	prd = &prb->u.ata.prd[0];
553
554    /* if request moves data setup and load SG list */
555    if (request->flags & (ATA_R_READ | ATA_R_WRITE)) {
556	if (ch->dma.load(request, prd, NULL)) {
557	    device_printf(request->parent, "setting up DMA failed\n");
558	    request->result = EIO;
559	    return ATA_OP_FINISHED;
560	}
561    }
562
563    /* activate the prb */
564    prb_bus = ch->dma.work_bus;
565    ATA_OUTL(ctlr->r_res2, 0x1c00 + offset, prb_bus);
566    ATA_OUTL(ctlr->r_res2, 0x1c04 + offset, prb_bus>>32);
567
568    /* start the timeout */
569    callout_reset(&request->callout, request->timeout * hz,
570                  (timeout_t*)ata_timeout, request);
571    return ATA_OP_CONTINUES;
572}
573
574static int
575ata_siiprb_end_transaction(struct ata_request *request)
576{
577    struct ata_pci_controller *ctlr=device_get_softc(device_get_parent(request->parent));
578    struct ata_channel *ch = device_get_softc(request->parent);
579    struct ata_siiprb_command *prb;
580    int offset = ch->unit * 0x2000;
581    int error, timeout;
582
583    /* kill the timeout */
584    callout_stop(&request->callout);
585
586    prb = (struct ata_siiprb_command *)
587	((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset);
588
589    /* any controller errors flagged ? */
590    if ((error = ATA_INL(ctlr->r_res2, 0x1024 + offset))) {
591	if (bootverbose)
592	    printf("ata_siiprb_end_transaction %s error=%08x\n",
593		   ata_cmd2str(request), error);
594
595	/* if device error status get details */
596	if (error == 1 || error == 2) {
597	    request->status = prb->fis[2];
598	    if (request->status & ATA_S_ERROR)
599		request->error = prb->fis[3];
600	}
601
602 	/* SOS XXX handle other controller errors here */
603
604	/* initialize port */
605	ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000004);
606
607	/* poll for port ready */
608	for (timeout = 0; timeout < 1000; timeout++) {
609	    DELAY(1000);
610            if (ATA_INL(ctlr->r_res2, 0x1008 + offset) & 0x00040000)
611        	break;
612	}
613	if (bootverbose) {
614	    if (timeout >= 1000)
615		device_printf(ch->dev, "port initialize timeout\n");
616	    else
617		device_printf(ch->dev, "port initialize time=%dms\n", timeout);
618	}
619    }
620
621    /* on control commands read back registers to the request struct */
622    if (request->flags & ATA_R_CONTROL) {
623	request->u.ata.count = prb->fis[12] | ((u_int16_t)prb->fis[13] << 8);
624	request->u.ata.lba = prb->fis[4] | ((u_int64_t)prb->fis[5] << 8) |
625			     ((u_int64_t)prb->fis[6] << 16);
626	if (request->flags & ATA_R_48BIT)
627	    request->u.ata.lba |= ((u_int64_t)prb->fis[8] << 24) |
628				  ((u_int64_t)prb->fis[9] << 32) |
629				  ((u_int64_t)prb->fis[10] << 40);
630	else
631	    request->u.ata.lba |= ((u_int64_t)(prb->fis[7] & 0x0f) << 24);
632    }
633
634    /* update progress */
635    if (!(request->status & ATA_S_ERROR) && !(request->flags & ATA_R_TIMEOUT)) {
636	if (request->flags & ATA_R_READ)
637	    request->donecount = prb->transfer_count;
638	else
639	    request->donecount = request->bytecount;
640    }
641
642    /* release SG list etc */
643    ch->dma.unload(request);
644
645    return ATA_OP_FINISHED;
646}
647
648static int
649ata_siiprb_issue_cmd(device_t dev)
650{
651    struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
652    struct ata_channel *ch = device_get_softc(dev);
653    u_int64_t prb_bus = ch->dma.work_bus;
654    u_int32_t status;
655    int offset = ch->unit * 0x2000;
656    int timeout;
657
658    /* issue command to chip */
659    ATA_OUTL(ctlr->r_res2, 0x1c00 + offset, prb_bus);
660    ATA_OUTL(ctlr->r_res2, 0x1c04 + offset, prb_bus >> 32);
661
662    /* poll for command finished */
663    for (timeout = 0; timeout < 10000; timeout++) {
664        DELAY(1000);
665        if ((status = ATA_INL(ctlr->r_res2, 0x1008 + offset)) & 0x00010000)
666            break;
667    }
668    // SOS XXX ATA_OUTL(ctlr->r_res2, 0x1008 + offset, 0x00010000);
669    ATA_OUTL(ctlr->r_res2, 0x1008 + offset, 0x08ff08ff);
670
671    if (timeout >= 1000)
672	return EIO;
673
674    if (bootverbose)
675	device_printf(dev, "siiprb_issue_cmd time=%dms status=%08x\n",
676		      timeout, status);
677    return 0;
678}
679
680static int
681ata_siiprb_pm_read(device_t dev, int port, int reg, u_int32_t *result)
682{
683    struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
684    struct ata_channel *ch = device_get_softc(dev);
685    struct ata_siiprb_command *prb = (struct ata_siiprb_command *)ch->dma.work;
686    int offset = ch->unit * 0x2000;
687
688    bzero(prb, sizeof(struct ata_siiprb_command));
689    prb->fis[0] = 0x27;	/* host to device */
690    prb->fis[1] = 0x8f;	/* command FIS to PM port */
691    prb->fis[2] = ATA_READ_PM;
692    prb->fis[3] = reg;
693    prb->fis[7] = port;
694    if (ata_siiprb_issue_cmd(dev)) {
695	device_printf(dev, "error reading PM port\n");
696	return EIO;
697    }
698    prb = (struct ata_siiprb_command *)
699	((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset);
700    *result = prb->fis[12]|(prb->fis[4]<<8)|(prb->fis[5]<<16)|(prb->fis[6]<<24);
701    return 0;
702}
703
704static int
705ata_siiprb_pm_write(device_t dev, int port, int reg, u_int32_t value)
706{
707    struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
708    struct ata_channel *ch = device_get_softc(dev);
709    struct ata_siiprb_command *prb = (struct ata_siiprb_command *)ch->dma.work;
710    int offset = ch->unit * 0x2000;
711
712    bzero(prb, sizeof(struct ata_siiprb_command));
713    prb->fis[0] = 0x27;	/* host to device */
714    prb->fis[1] = 0x8f;	/* command FIS to PM port */
715    prb->fis[2] = ATA_WRITE_PM;
716    prb->fis[3] = reg;
717    prb->fis[7] = port;
718    prb->fis[12] = value & 0xff;
719    prb->fis[4] = (value >> 8) & 0xff;
720    prb->fis[5] = (value >> 16) & 0xff;
721    prb->fis[6] = (value >> 24) & 0xff;
722    if (ata_siiprb_issue_cmd(dev)) {
723	device_printf(dev, "error writing PM port\n");
724	return ATA_E_ABORT;
725    }
726    prb = (struct ata_siiprb_command *)
727	((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset);
728    return prb->fis[3];
729}
730
731static u_int32_t
732ata_siiprb_softreset(device_t dev, int port)
733{
734    struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
735    struct ata_channel *ch = device_get_softc(dev);
736    struct ata_siiprb_command *prb = (struct ata_siiprb_command *)ch->dma.work;
737    u_int32_t signature;
738    int offset = ch->unit * 0x2000;
739
740    /* setup the workspace for a soft reset command */
741    bzero(prb, sizeof(struct ata_siiprb_command));
742    prb->control = htole16(0x0080);
743    prb->fis[1] = port & 0x0f;
744
745    /* issue soft reset */
746    if (ata_siiprb_issue_cmd(dev))
747	return -1;
748
749    ata_udelay(150000);
750
751    /* get possible signature */
752    prb = (struct ata_siiprb_command *)
753	((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset);
754    signature=prb->fis[12]|(prb->fis[4]<<8)|(prb->fis[5]<<16)|(prb->fis[6]<<24);
755
756    /* clear error bits/interrupt */
757    ATA_IDX_OUTL(ch, ATA_SERROR, 0xffffffff);
758
759    return signature;
760}
761
762static void
763ata_siiprb_reset(device_t dev)
764{
765    struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
766    struct ata_channel *ch = device_get_softc(dev);
767    int offset = ch->unit * 0x2000;
768    u_int32_t status, signature;
769    int timeout;
770
771    /* disable interrupts */
772    ATA_OUTL(ctlr->r_res2, 0x1014 + offset, 0x000000ff);
773
774    /* reset channel HW */
775    ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000001);
776    DELAY(1000);
777    ATA_OUTL(ctlr->r_res2, 0x1004 + offset, 0x00000001);
778    DELAY(10000);
779
780    /* poll for channel ready */
781    for (timeout = 0; timeout < 1000; timeout++) {
782        if ((status = ATA_INL(ctlr->r_res2, 0x1008 + offset)) & 0x00040000)
783            break;
784        DELAY(1000);
785    }
786
787    if (bootverbose) {
788	if (timeout >= 1000)
789	    device_printf(dev, "channel HW reset timeout\n");
790	else
791	    device_printf(dev, "channel HW reset time=%dms\n", timeout);
792    }
793
794    /* reset phy */
795    if (!ata_sata_phy_reset(dev, -1, 1)) {
796	if (bootverbose)
797	    device_printf(dev, "phy reset found no device\n");
798	ch->devices = 0;
799	goto finish;
800    }
801
802    /* issue soft reset */
803    signature = ata_siiprb_softreset(dev, ATA_PM);
804    if (bootverbose)
805	device_printf(dev, "SIGNATURE=%08x\n", signature);
806
807    /* figure out whats there */
808    switch (signature >> 16) {
809    case 0x0000:
810	ch->devices = ATA_ATA_MASTER;
811	break;
812    case 0x9669:
813	ch->devices = ATA_PORTMULTIPLIER;
814	ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x2000); /* enable PM support */
815	//SOS XXX need to clear all PM status and interrupts!!!!
816	ata_pm_identify(dev);
817	break;
818    case 0xeb14:
819	ch->devices = ATA_ATAPI_MASTER;
820	break;
821    default:
822	ch->devices = 0;
823    }
824    if (bootverbose)
825        device_printf(dev, "siiprb_reset devices=%08x\n", ch->devices);
826
827finish:
828    /* clear interrupt(s) */
829    ATA_OUTL(ctlr->r_res2, 0x1008 + offset, 0x000008ff);
830
831    /* require explicit interrupt ack */
832    ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000008);
833
834    /* 64bit mode */
835    ATA_OUTL(ctlr->r_res2, 0x1004 + offset, 0x00000400);
836
837    /* enable interrupts wanted */
838    ATA_OUTL(ctlr->r_res2, 0x1010 + offset, 0x000000ff);
839}
840
841static void
842ata_siiprb_dmasetprd(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
843{
844    struct ata_dmasetprd_args *args = xsc;
845    struct ata_siiprb_dma_prdentry *prd = args->dmatab;
846    int i;
847
848    if ((args->error = error))
849	return;
850
851    for (i = 0; i < nsegs; i++) {
852	prd[i].addr = htole64(segs[i].ds_addr);
853	prd[i].count = htole32(segs[i].ds_len);
854    }
855    prd[i - 1].control = htole32(ATA_DMA_EOT);
856    KASSERT(nsegs <= ATA_SIIPRB_DMA_ENTRIES,("too many DMA segment entries\n"));
857    args->nsegs = nsegs;
858}
859
860static void
861ata_siiprb_dmainit(device_t dev)
862{
863    struct ata_channel *ch = device_get_softc(dev);
864
865    ata_dmainit(dev);
866    /* note start and stop are not used here */
867    ch->dma.setprd = ata_siiprb_dmasetprd;
868    ch->dma.max_address = BUS_SPACE_MAXADDR;
869    ch->dma.max_iosize = (ATA_SIIPRB_DMA_ENTRIES - 1) * PAGE_SIZE;
870}
871
872ATA_DECLARE_DRIVER(ata_sii);
873