1/*
2 * Sonics Silicon Backplane PCI-Hostbus related functions.
3 *
4 * Copyright (C) 2005-2006 Michael Buesch <m@bues.ch>
5 * Copyright (C) 2005 Martin Langer <martin-langer@gmx.de>
6 * Copyright (C) 2005 Stefano Brivio <st3@riseup.net>
7 * Copyright (C) 2005 Danny van Dyk <kugelfang@gentoo.org>
8 * Copyright (C) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
9 *
10 * Derived from the Broadcom 4400 device driver.
11 * Copyright (C) 2002 David S. Miller (davem@redhat.com)
12 * Fixed by Pekka Pietikainen (pp@ee.oulu.fi)
13 * Copyright (C) 2006 Broadcom Corporation.
14 *
15 * Licensed under the GNU/GPL. See COPYING for details.
16 */
17
18#include "ssb_private.h"
19
20#include <linux/ssb/ssb.h>
21#include <linux/ssb/ssb_regs.h>
22#include <linux/slab.h>
23#include <linux/pci.h>
24#include <linux/delay.h>
25
26
27/* Define the following to 1 to enable a printk on each coreswitch. */
28#define SSB_VERBOSE_PCICORESWITCH_DEBUG		0
29
30
31/* Lowlevel coreswitching */
32int ssb_pci_switch_coreidx(struct ssb_bus *bus, u8 coreidx)
33{
34	int err;
35	int attempts = 0;
36	u32 cur_core;
37
38	while (1) {
39		err = pci_write_config_dword(bus->host_pci, SSB_BAR0_WIN,
40					     (coreidx * SSB_CORE_SIZE)
41					     + SSB_ENUM_BASE);
42		if (err)
43			goto error;
44		err = pci_read_config_dword(bus->host_pci, SSB_BAR0_WIN,
45					    &cur_core);
46		if (err)
47			goto error;
48		cur_core = (cur_core - SSB_ENUM_BASE)
49			   / SSB_CORE_SIZE;
50		if (cur_core == coreidx)
51			break;
52
53		if (attempts++ > SSB_BAR0_MAX_RETRIES)
54			goto error;
55		udelay(10);
56	}
57	return 0;
58error:
59	pr_err("Failed to switch to core %u\n", coreidx);
60	return -ENODEV;
61}
62
63int ssb_pci_switch_core(struct ssb_bus *bus,
64			struct ssb_device *dev)
65{
66	int err;
67	unsigned long flags;
68
69#if SSB_VERBOSE_PCICORESWITCH_DEBUG
70	pr_info("Switching to %s core, index %d\n",
71		ssb_core_name(dev->id.coreid), dev->core_index);
72#endif
73
74	spin_lock_irqsave(&bus->bar_lock, flags);
75	err = ssb_pci_switch_coreidx(bus, dev->core_index);
76	if (!err)
77		bus->mapped_device = dev;
78	spin_unlock_irqrestore(&bus->bar_lock, flags);
79
80	return err;
81}
82
83/* Enable/disable the on board crystal oscillator and/or PLL. */
84int ssb_pci_xtal(struct ssb_bus *bus, u32 what, int turn_on)
85{
86	int err;
87	u32 in, out, outenable;
88	u16 pci_status;
89
90	if (bus->bustype != SSB_BUSTYPE_PCI)
91		return 0;
92
93	err = pci_read_config_dword(bus->host_pci, SSB_GPIO_IN, &in);
94	if (err)
95		goto err_pci;
96	err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT, &out);
97	if (err)
98		goto err_pci;
99	err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, &outenable);
100	if (err)
101		goto err_pci;
102
103	outenable |= what;
104
105	if (turn_on) {
106		/* Avoid glitching the clock if GPRS is already using it.
107		 * We can't actually read the state of the PLLPD so we infer it
108		 * by the value of XTAL_PU which *is* readable via gpioin.
109		 */
110		if (!(in & SSB_GPIO_XTAL)) {
111			if (what & SSB_GPIO_XTAL) {
112				/* Turn the crystal on */
113				out |= SSB_GPIO_XTAL;
114				if (what & SSB_GPIO_PLL)
115					out |= SSB_GPIO_PLL;
116				err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out);
117				if (err)
118					goto err_pci;
119				err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE,
120							     outenable);
121				if (err)
122					goto err_pci;
123				msleep(1);
124			}
125			if (what & SSB_GPIO_PLL) {
126				/* Turn the PLL on */
127				out &= ~SSB_GPIO_PLL;
128				err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out);
129				if (err)
130					goto err_pci;
131				msleep(5);
132			}
133		}
134
135		err = pci_read_config_word(bus->host_pci, PCI_STATUS, &pci_status);
136		if (err)
137			goto err_pci;
138		pci_status &= ~PCI_STATUS_SIG_TARGET_ABORT;
139		err = pci_write_config_word(bus->host_pci, PCI_STATUS, pci_status);
140		if (err)
141			goto err_pci;
142	} else {
143		if (what & SSB_GPIO_XTAL) {
144			/* Turn the crystal off */
145			out &= ~SSB_GPIO_XTAL;
146		}
147		if (what & SSB_GPIO_PLL) {
148			/* Turn the PLL off */
149			out |= SSB_GPIO_PLL;
150		}
151		err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out);
152		if (err)
153			goto err_pci;
154		err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, outenable);
155		if (err)
156			goto err_pci;
157	}
158
159out:
160	return err;
161
162err_pci:
163	pr_err("Error: ssb_pci_xtal() could not access PCI config space!\n");
164	err = -EBUSY;
165	goto out;
166}
167
168/* Get the word-offset for a SSB_SPROM_XXX define. */
169#define SPOFF(offset)	((offset) / sizeof(u16))
170/* Helper to extract some _offset, which is one of the SSB_SPROM_XXX defines. */
171#define SPEX16(_outvar, _offset, _mask, _shift)	\
172	out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift))
173#define SPEX32(_outvar, _offset, _mask, _shift)	\
174	out->_outvar = ((((u32)in[SPOFF((_offset)+2)] << 16 | \
175			   in[SPOFF(_offset)]) & (_mask)) >> (_shift))
176#define SPEX(_outvar, _offset, _mask, _shift) \
177	SPEX16(_outvar, _offset, _mask, _shift)
178
179#define SPEX_ARRAY8(_field, _offset, _mask, _shift)	\
180	do {	\
181		SPEX(_field[0], _offset +  0, _mask, _shift);	\
182		SPEX(_field[1], _offset +  2, _mask, _shift);	\
183		SPEX(_field[2], _offset +  4, _mask, _shift);	\
184		SPEX(_field[3], _offset +  6, _mask, _shift);	\
185		SPEX(_field[4], _offset +  8, _mask, _shift);	\
186		SPEX(_field[5], _offset + 10, _mask, _shift);	\
187		SPEX(_field[6], _offset + 12, _mask, _shift);	\
188		SPEX(_field[7], _offset + 14, _mask, _shift);	\
189	} while (0)
190
191
192static inline u8 ssb_crc8(u8 crc, u8 data)
193{
194	/* Polynomial:   x^8 + x^7 + x^6 + x^4 + x^2 + 1   */
195	static const u8 t[] = {
196		0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B,
197		0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21,
198		0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF,
199		0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5,
200		0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14,
201		0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E,
202		0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80,
203		0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA,
204		0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95,
205		0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF,
206		0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01,
207		0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B,
208		0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA,
209		0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0,
210		0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E,
211		0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34,
212		0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0,
213		0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A,
214		0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54,
215		0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E,
216		0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF,
217		0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5,
218		0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B,
219		0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61,
220		0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E,
221		0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74,
222		0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA,
223		0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0,
224		0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41,
225		0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B,
226		0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5,
227		0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F,
228	};
229	return t[crc ^ data];
230}
231
232static void sprom_get_mac(char *mac, const u16 *in)
233{
234	int i;
235	for (i = 0; i < 3; i++) {
236		*mac++ = in[i] >> 8;
237		*mac++ = in[i];
238	}
239}
240
241static u8 ssb_sprom_crc(const u16 *sprom, u16 size)
242{
243	int word;
244	u8 crc = 0xFF;
245
246	for (word = 0; word < size - 1; word++) {
247		crc = ssb_crc8(crc, sprom[word] & 0x00FF);
248		crc = ssb_crc8(crc, (sprom[word] & 0xFF00) >> 8);
249	}
250	crc = ssb_crc8(crc, sprom[size - 1] & 0x00FF);
251	crc ^= 0xFF;
252
253	return crc;
254}
255
256static int sprom_check_crc(const u16 *sprom, size_t size)
257{
258	u8 crc;
259	u8 expected_crc;
260	u16 tmp;
261
262	crc = ssb_sprom_crc(sprom, size);
263	tmp = sprom[size - 1] & SSB_SPROM_REVISION_CRC;
264	expected_crc = tmp >> SSB_SPROM_REVISION_CRC_SHIFT;
265	if (crc != expected_crc)
266		return -EPROTO;
267
268	return 0;
269}
270
271static int sprom_do_read(struct ssb_bus *bus, u16 *sprom)
272{
273	int i;
274
275	for (i = 0; i < bus->sprom_size; i++)
276		sprom[i] = ioread16(bus->mmio + bus->sprom_offset + (i * 2));
277
278	return 0;
279}
280
281static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom)
282{
283	struct pci_dev *pdev = bus->host_pci;
284	int i, err;
285	u32 spromctl;
286	u16 size = bus->sprom_size;
287
288	pr_notice("Writing SPROM. Do NOT turn off the power! Please stand by...\n");
289	err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl);
290	if (err)
291		goto err_ctlreg;
292	spromctl |= SSB_SPROMCTL_WE;
293	err = pci_write_config_dword(pdev, SSB_SPROMCTL, spromctl);
294	if (err)
295		goto err_ctlreg;
296	pr_notice("[ 0%%");
297	msleep(500);
298	for (i = 0; i < size; i++) {
299		if (i == size / 4)
300			pr_cont("25%%");
301		else if (i == size / 2)
302			pr_cont("50%%");
303		else if (i == (size * 3) / 4)
304			pr_cont("75%%");
305		else if (i % 2)
306			pr_cont(".");
307		writew(sprom[i], bus->mmio + bus->sprom_offset + (i * 2));
308		msleep(20);
309	}
310	err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl);
311	if (err)
312		goto err_ctlreg;
313	spromctl &= ~SSB_SPROMCTL_WE;
314	err = pci_write_config_dword(pdev, SSB_SPROMCTL, spromctl);
315	if (err)
316		goto err_ctlreg;
317	msleep(500);
318	pr_cont("100%% ]\n");
319	pr_notice("SPROM written\n");
320
321	return 0;
322err_ctlreg:
323	pr_err("Could not access SPROM control register.\n");
324	return err;
325}
326
327static s8 sprom_extract_antgain(u8 sprom_revision, const u16 *in, u16 offset,
328				u16 mask, u16 shift)
329{
330	u16 v;
331	u8 gain;
332
333	v = in[SPOFF(offset)];
334	gain = (v & mask) >> shift;
335	if (gain == 0xFF)
336		gain = 2; /* If unset use 2dBm */
337	if (sprom_revision == 1) {
338		/* Convert to Q5.2 */
339		gain <<= 2;
340	} else {
341		/* Q5.2 Fractional part is stored in 0xC0 */
342		gain = ((gain & 0xC0) >> 6) | ((gain & 0x3F) << 2);
343	}
344
345	return (s8)gain;
346}
347
348static void sprom_extract_r23(struct ssb_sprom *out, const u16 *in)
349{
350	SPEX(boardflags_hi, SSB_SPROM2_BFLHI, 0xFFFF, 0);
351	SPEX(opo, SSB_SPROM2_OPO, SSB_SPROM2_OPO_VALUE, 0);
352	SPEX(pa1lob0, SSB_SPROM2_PA1LOB0, 0xFFFF, 0);
353	SPEX(pa1lob1, SSB_SPROM2_PA1LOB1, 0xFFFF, 0);
354	SPEX(pa1lob2, SSB_SPROM2_PA1LOB2, 0xFFFF, 0);
355	SPEX(pa1hib0, SSB_SPROM2_PA1HIB0, 0xFFFF, 0);
356	SPEX(pa1hib1, SSB_SPROM2_PA1HIB1, 0xFFFF, 0);
357	SPEX(pa1hib2, SSB_SPROM2_PA1HIB2, 0xFFFF, 0);
358	SPEX(maxpwr_ah, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_HI, 0);
359	SPEX(maxpwr_al, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_LO,
360	     SSB_SPROM2_MAXP_A_LO_SHIFT);
361}
362
363static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in)
364{
365	u16 loc[3];
366
367	if (out->revision == 3)			/* rev 3 moved MAC */
368		loc[0] = SSB_SPROM3_IL0MAC;
369	else {
370		loc[0] = SSB_SPROM1_IL0MAC;
371		loc[1] = SSB_SPROM1_ET0MAC;
372		loc[2] = SSB_SPROM1_ET1MAC;
373	}
374	sprom_get_mac(out->il0mac, &in[SPOFF(loc[0])]);
375	if (out->revision < 3) { 	/* only rev 1-2 have et0, et1 */
376		sprom_get_mac(out->et0mac, &in[SPOFF(loc[1])]);
377		sprom_get_mac(out->et1mac, &in[SPOFF(loc[2])]);
378	}
379	SPEX(et0phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0A, 0);
380	SPEX(et1phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1A,
381	     SSB_SPROM1_ETHPHY_ET1A_SHIFT);
382	SPEX(et0mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0M, 14);
383	SPEX(et1mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1M, 15);
384	SPEX(board_rev, SSB_SPROM1_BINF, SSB_SPROM1_BINF_BREV, 0);
385	SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0);
386	if (out->revision == 1)
387		SPEX(country_code, SSB_SPROM1_BINF, SSB_SPROM1_BINF_CCODE,
388		     SSB_SPROM1_BINF_CCODE_SHIFT);
389	SPEX(ant_available_a, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTA,
390	     SSB_SPROM1_BINF_ANTA_SHIFT);
391	SPEX(ant_available_bg, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTBG,
392	     SSB_SPROM1_BINF_ANTBG_SHIFT);
393	SPEX(pa0b0, SSB_SPROM1_PA0B0, 0xFFFF, 0);
394	SPEX(pa0b1, SSB_SPROM1_PA0B1, 0xFFFF, 0);
395	SPEX(pa0b2, SSB_SPROM1_PA0B2, 0xFFFF, 0);
396	SPEX(pa1b0, SSB_SPROM1_PA1B0, 0xFFFF, 0);
397	SPEX(pa1b1, SSB_SPROM1_PA1B1, 0xFFFF, 0);
398	SPEX(pa1b2, SSB_SPROM1_PA1B2, 0xFFFF, 0);
399	SPEX(gpio0, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P0, 0);
400	SPEX(gpio1, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P1,
401	     SSB_SPROM1_GPIOA_P1_SHIFT);
402	SPEX(gpio2, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P2, 0);
403	SPEX(gpio3, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P3,
404	     SSB_SPROM1_GPIOB_P3_SHIFT);
405	SPEX(maxpwr_a, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_A,
406	     SSB_SPROM1_MAXPWR_A_SHIFT);
407	SPEX(maxpwr_bg, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_BG, 0);
408	SPEX(itssi_a, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_A,
409	     SSB_SPROM1_ITSSI_A_SHIFT);
410	SPEX(itssi_bg, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_BG, 0);
411	SPEX(boardflags_lo, SSB_SPROM1_BFLLO, 0xFFFF, 0);
412
413	SPEX(alpha2[0], SSB_SPROM1_CCODE, 0xff00, 8);
414	SPEX(alpha2[1], SSB_SPROM1_CCODE, 0x00ff, 0);
415
416	/* Extract the antenna gain values. */
417	out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in,
418						     SSB_SPROM1_AGAIN,
419						     SSB_SPROM1_AGAIN_BG,
420						     SSB_SPROM1_AGAIN_BG_SHIFT);
421	out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in,
422						     SSB_SPROM1_AGAIN,
423						     SSB_SPROM1_AGAIN_A,
424						     SSB_SPROM1_AGAIN_A_SHIFT);
425	if (out->revision >= 2)
426		sprom_extract_r23(out, in);
427}
428
429/* Revs 4 5 and 8 have partially shared layout */
430static void sprom_extract_r458(struct ssb_sprom *out, const u16 *in)
431{
432	SPEX(txpid2g[0], SSB_SPROM4_TXPID2G01,
433	     SSB_SPROM4_TXPID2G0, SSB_SPROM4_TXPID2G0_SHIFT);
434	SPEX(txpid2g[1], SSB_SPROM4_TXPID2G01,
435	     SSB_SPROM4_TXPID2G1, SSB_SPROM4_TXPID2G1_SHIFT);
436	SPEX(txpid2g[2], SSB_SPROM4_TXPID2G23,
437	     SSB_SPROM4_TXPID2G2, SSB_SPROM4_TXPID2G2_SHIFT);
438	SPEX(txpid2g[3], SSB_SPROM4_TXPID2G23,
439	     SSB_SPROM4_TXPID2G3, SSB_SPROM4_TXPID2G3_SHIFT);
440
441	SPEX(txpid5gl[0], SSB_SPROM4_TXPID5GL01,
442	     SSB_SPROM4_TXPID5GL0, SSB_SPROM4_TXPID5GL0_SHIFT);
443	SPEX(txpid5gl[1], SSB_SPROM4_TXPID5GL01,
444	     SSB_SPROM4_TXPID5GL1, SSB_SPROM4_TXPID5GL1_SHIFT);
445	SPEX(txpid5gl[2], SSB_SPROM4_TXPID5GL23,
446	     SSB_SPROM4_TXPID5GL2, SSB_SPROM4_TXPID5GL2_SHIFT);
447	SPEX(txpid5gl[3], SSB_SPROM4_TXPID5GL23,
448	     SSB_SPROM4_TXPID5GL3, SSB_SPROM4_TXPID5GL3_SHIFT);
449
450	SPEX(txpid5g[0], SSB_SPROM4_TXPID5G01,
451	     SSB_SPROM4_TXPID5G0, SSB_SPROM4_TXPID5G0_SHIFT);
452	SPEX(txpid5g[1], SSB_SPROM4_TXPID5G01,
453	     SSB_SPROM4_TXPID5G1, SSB_SPROM4_TXPID5G1_SHIFT);
454	SPEX(txpid5g[2], SSB_SPROM4_TXPID5G23,
455	     SSB_SPROM4_TXPID5G2, SSB_SPROM4_TXPID5G2_SHIFT);
456	SPEX(txpid5g[3], SSB_SPROM4_TXPID5G23,
457	     SSB_SPROM4_TXPID5G3, SSB_SPROM4_TXPID5G3_SHIFT);
458
459	SPEX(txpid5gh[0], SSB_SPROM4_TXPID5GH01,
460	     SSB_SPROM4_TXPID5GH0, SSB_SPROM4_TXPID5GH0_SHIFT);
461	SPEX(txpid5gh[1], SSB_SPROM4_TXPID5GH01,
462	     SSB_SPROM4_TXPID5GH1, SSB_SPROM4_TXPID5GH1_SHIFT);
463	SPEX(txpid5gh[2], SSB_SPROM4_TXPID5GH23,
464	     SSB_SPROM4_TXPID5GH2, SSB_SPROM4_TXPID5GH2_SHIFT);
465	SPEX(txpid5gh[3], SSB_SPROM4_TXPID5GH23,
466	     SSB_SPROM4_TXPID5GH3, SSB_SPROM4_TXPID5GH3_SHIFT);
467}
468
469static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in)
470{
471	static const u16 pwr_info_offset[] = {
472		SSB_SPROM4_PWR_INFO_CORE0, SSB_SPROM4_PWR_INFO_CORE1,
473		SSB_SPROM4_PWR_INFO_CORE2, SSB_SPROM4_PWR_INFO_CORE3
474	};
475	u16 il0mac_offset;
476	int i;
477
478	BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) !=
479		     ARRAY_SIZE(out->core_pwr_info));
480
481	if (out->revision == 4)
482		il0mac_offset = SSB_SPROM4_IL0MAC;
483	else
484		il0mac_offset = SSB_SPROM5_IL0MAC;
485
486	sprom_get_mac(out->il0mac, &in[SPOFF(il0mac_offset)]);
487
488	SPEX(et0phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET0A, 0);
489	SPEX(et1phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET1A,
490	     SSB_SPROM4_ETHPHY_ET1A_SHIFT);
491	SPEX(board_rev, SSB_SPROM4_BOARDREV, 0xFFFF, 0);
492	SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0);
493	if (out->revision == 4) {
494		SPEX(alpha2[0], SSB_SPROM4_CCODE, 0xff00, 8);
495		SPEX(alpha2[1], SSB_SPROM4_CCODE, 0x00ff, 0);
496		SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0);
497		SPEX(boardflags_hi, SSB_SPROM4_BFLHI, 0xFFFF, 0);
498		SPEX(boardflags2_lo, SSB_SPROM4_BFL2LO, 0xFFFF, 0);
499		SPEX(boardflags2_hi, SSB_SPROM4_BFL2HI, 0xFFFF, 0);
500	} else {
501		SPEX(alpha2[0], SSB_SPROM5_CCODE, 0xff00, 8);
502		SPEX(alpha2[1], SSB_SPROM5_CCODE, 0x00ff, 0);
503		SPEX(boardflags_lo, SSB_SPROM5_BFLLO, 0xFFFF, 0);
504		SPEX(boardflags_hi, SSB_SPROM5_BFLHI, 0xFFFF, 0);
505		SPEX(boardflags2_lo, SSB_SPROM5_BFL2LO, 0xFFFF, 0);
506		SPEX(boardflags2_hi, SSB_SPROM5_BFL2HI, 0xFFFF, 0);
507	}
508	SPEX(ant_available_a, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_A,
509	     SSB_SPROM4_ANTAVAIL_A_SHIFT);
510	SPEX(ant_available_bg, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_BG,
511	     SSB_SPROM4_ANTAVAIL_BG_SHIFT);
512	SPEX(maxpwr_bg, SSB_SPROM4_MAXP_BG, SSB_SPROM4_MAXP_BG_MASK, 0);
513	SPEX(itssi_bg, SSB_SPROM4_MAXP_BG, SSB_SPROM4_ITSSI_BG,
514	     SSB_SPROM4_ITSSI_BG_SHIFT);
515	SPEX(maxpwr_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_MAXP_A_MASK, 0);
516	SPEX(itssi_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_ITSSI_A,
517	     SSB_SPROM4_ITSSI_A_SHIFT);
518	if (out->revision == 4) {
519		SPEX(gpio0, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P0, 0);
520		SPEX(gpio1, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P1,
521		     SSB_SPROM4_GPIOA_P1_SHIFT);
522		SPEX(gpio2, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P2, 0);
523		SPEX(gpio3, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P3,
524		     SSB_SPROM4_GPIOB_P3_SHIFT);
525	} else {
526		SPEX(gpio0, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P0, 0);
527		SPEX(gpio1, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P1,
528		     SSB_SPROM5_GPIOA_P1_SHIFT);
529		SPEX(gpio2, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P2, 0);
530		SPEX(gpio3, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P3,
531		     SSB_SPROM5_GPIOB_P3_SHIFT);
532	}
533
534	/* Extract the antenna gain values. */
535	out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in,
536						     SSB_SPROM4_AGAIN01,
537						     SSB_SPROM4_AGAIN0,
538						     SSB_SPROM4_AGAIN0_SHIFT);
539	out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in,
540						     SSB_SPROM4_AGAIN01,
541						     SSB_SPROM4_AGAIN1,
542						     SSB_SPROM4_AGAIN1_SHIFT);
543	out->antenna_gain.a2 = sprom_extract_antgain(out->revision, in,
544						     SSB_SPROM4_AGAIN23,
545						     SSB_SPROM4_AGAIN2,
546						     SSB_SPROM4_AGAIN2_SHIFT);
547	out->antenna_gain.a3 = sprom_extract_antgain(out->revision, in,
548						     SSB_SPROM4_AGAIN23,
549						     SSB_SPROM4_AGAIN3,
550						     SSB_SPROM4_AGAIN3_SHIFT);
551
552	/* Extract cores power info info */
553	for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) {
554		u16 o = pwr_info_offset[i];
555
556		SPEX(core_pwr_info[i].itssi_2g, o + SSB_SPROM4_2G_MAXP_ITSSI,
557			SSB_SPROM4_2G_ITSSI, SSB_SPROM4_2G_ITSSI_SHIFT);
558		SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SPROM4_2G_MAXP_ITSSI,
559			SSB_SPROM4_2G_MAXP, 0);
560
561		SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SPROM4_2G_PA_0, ~0, 0);
562		SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SPROM4_2G_PA_1, ~0, 0);
563		SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SPROM4_2G_PA_2, ~0, 0);
564		SPEX(core_pwr_info[i].pa_2g[3], o + SSB_SPROM4_2G_PA_3, ~0, 0);
565
566		SPEX(core_pwr_info[i].itssi_5g, o + SSB_SPROM4_5G_MAXP_ITSSI,
567			SSB_SPROM4_5G_ITSSI, SSB_SPROM4_5G_ITSSI_SHIFT);
568		SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SPROM4_5G_MAXP_ITSSI,
569			SSB_SPROM4_5G_MAXP, 0);
570		SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM4_5GHL_MAXP,
571			SSB_SPROM4_5GH_MAXP, 0);
572		SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM4_5GHL_MAXP,
573			SSB_SPROM4_5GL_MAXP, SSB_SPROM4_5GL_MAXP_SHIFT);
574
575		SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SPROM4_5GL_PA_0, ~0, 0);
576		SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SPROM4_5GL_PA_1, ~0, 0);
577		SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SPROM4_5GL_PA_2, ~0, 0);
578		SPEX(core_pwr_info[i].pa_5gl[3], o + SSB_SPROM4_5GL_PA_3, ~0, 0);
579		SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SPROM4_5G_PA_0, ~0, 0);
580		SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SPROM4_5G_PA_1, ~0, 0);
581		SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SPROM4_5G_PA_2, ~0, 0);
582		SPEX(core_pwr_info[i].pa_5g[3], o + SSB_SPROM4_5G_PA_3, ~0, 0);
583		SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SPROM4_5GH_PA_0, ~0, 0);
584		SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SPROM4_5GH_PA_1, ~0, 0);
585		SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SPROM4_5GH_PA_2, ~0, 0);
586		SPEX(core_pwr_info[i].pa_5gh[3], o + SSB_SPROM4_5GH_PA_3, ~0, 0);
587	}
588
589	sprom_extract_r458(out, in);
590
591	/* TODO - get remaining rev 4 stuff needed */
592}
593
594static void sprom_extract_r8(struct ssb_sprom *out, const u16 *in)
595{
596	int i;
597	u16 o;
598	static const u16 pwr_info_offset[] = {
599		SSB_SROM8_PWR_INFO_CORE0, SSB_SROM8_PWR_INFO_CORE1,
600		SSB_SROM8_PWR_INFO_CORE2, SSB_SROM8_PWR_INFO_CORE3
601	};
602	BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) !=
603			ARRAY_SIZE(out->core_pwr_info));
604
605	/* extract the MAC address */
606	sprom_get_mac(out->il0mac, &in[SPOFF(SSB_SPROM8_IL0MAC)]);
607
608	SPEX(board_rev, SSB_SPROM8_BOARDREV, 0xFFFF, 0);
609	SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0);
610	SPEX(alpha2[0], SSB_SPROM8_CCODE, 0xff00, 8);
611	SPEX(alpha2[1], SSB_SPROM8_CCODE, 0x00ff, 0);
612	SPEX(boardflags_lo, SSB_SPROM8_BFLLO, 0xFFFF, 0);
613	SPEX(boardflags_hi, SSB_SPROM8_BFLHI, 0xFFFF, 0);
614	SPEX(boardflags2_lo, SSB_SPROM8_BFL2LO, 0xFFFF, 0);
615	SPEX(boardflags2_hi, SSB_SPROM8_BFL2HI, 0xFFFF, 0);
616	SPEX(ant_available_a, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_A,
617	     SSB_SPROM8_ANTAVAIL_A_SHIFT);
618	SPEX(ant_available_bg, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_BG,
619	     SSB_SPROM8_ANTAVAIL_BG_SHIFT);
620	SPEX(maxpwr_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_MAXP_BG_MASK, 0);
621	SPEX(itssi_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_ITSSI_BG,
622	     SSB_SPROM8_ITSSI_BG_SHIFT);
623	SPEX(maxpwr_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_MAXP_A_MASK, 0);
624	SPEX(itssi_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_ITSSI_A,
625	     SSB_SPROM8_ITSSI_A_SHIFT);
626	SPEX(maxpwr_ah, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AH_MASK, 0);
627	SPEX(maxpwr_al, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AL_MASK,
628	     SSB_SPROM8_MAXP_AL_SHIFT);
629	SPEX(gpio0, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P0, 0);
630	SPEX(gpio1, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P1,
631	     SSB_SPROM8_GPIOA_P1_SHIFT);
632	SPEX(gpio2, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P2, 0);
633	SPEX(gpio3, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P3,
634	     SSB_SPROM8_GPIOB_P3_SHIFT);
635	SPEX(tri2g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI2G, 0);
636	SPEX(tri5g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI5G,
637	     SSB_SPROM8_TRI5G_SHIFT);
638	SPEX(tri5gl, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GL, 0);
639	SPEX(tri5gh, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GH,
640	     SSB_SPROM8_TRI5GH_SHIFT);
641	SPEX(rxpo2g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO2G, 0);
642	SPEX(rxpo5g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO5G,
643	     SSB_SPROM8_RXPO5G_SHIFT);
644	SPEX(rssismf2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMF2G, 0);
645	SPEX(rssismc2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMC2G,
646	     SSB_SPROM8_RSSISMC2G_SHIFT);
647	SPEX(rssisav2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISAV2G,
648	     SSB_SPROM8_RSSISAV2G_SHIFT);
649	SPEX(bxa2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_BXA2G,
650	     SSB_SPROM8_BXA2G_SHIFT);
651	SPEX(rssismf5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMF5G, 0);
652	SPEX(rssismc5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMC5G,
653	     SSB_SPROM8_RSSISMC5G_SHIFT);
654	SPEX(rssisav5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISAV5G,
655	     SSB_SPROM8_RSSISAV5G_SHIFT);
656	SPEX(bxa5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_BXA5G,
657	     SSB_SPROM8_BXA5G_SHIFT);
658	SPEX(pa0b0, SSB_SPROM8_PA0B0, 0xFFFF, 0);
659	SPEX(pa0b1, SSB_SPROM8_PA0B1, 0xFFFF, 0);
660	SPEX(pa0b2, SSB_SPROM8_PA0B2, 0xFFFF, 0);
661	SPEX(pa1b0, SSB_SPROM8_PA1B0, 0xFFFF, 0);
662	SPEX(pa1b1, SSB_SPROM8_PA1B1, 0xFFFF, 0);
663	SPEX(pa1b2, SSB_SPROM8_PA1B2, 0xFFFF, 0);
664	SPEX(pa1lob0, SSB_SPROM8_PA1LOB0, 0xFFFF, 0);
665	SPEX(pa1lob1, SSB_SPROM8_PA1LOB1, 0xFFFF, 0);
666	SPEX(pa1lob2, SSB_SPROM8_PA1LOB2, 0xFFFF, 0);
667	SPEX(pa1hib0, SSB_SPROM8_PA1HIB0, 0xFFFF, 0);
668	SPEX(pa1hib1, SSB_SPROM8_PA1HIB1, 0xFFFF, 0);
669	SPEX(pa1hib2, SSB_SPROM8_PA1HIB2, 0xFFFF, 0);
670	SPEX(cck2gpo, SSB_SPROM8_CCK2GPO, 0xFFFF, 0);
671	SPEX32(ofdm2gpo, SSB_SPROM8_OFDM2GPO, 0xFFFFFFFF, 0);
672	SPEX32(ofdm5glpo, SSB_SPROM8_OFDM5GLPO, 0xFFFFFFFF, 0);
673	SPEX32(ofdm5gpo, SSB_SPROM8_OFDM5GPO, 0xFFFFFFFF, 0);
674	SPEX32(ofdm5ghpo, SSB_SPROM8_OFDM5GHPO, 0xFFFFFFFF, 0);
675
676	/* Extract the antenna gain values. */
677	out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in,
678						     SSB_SPROM8_AGAIN01,
679						     SSB_SPROM8_AGAIN0,
680						     SSB_SPROM8_AGAIN0_SHIFT);
681	out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in,
682						     SSB_SPROM8_AGAIN01,
683						     SSB_SPROM8_AGAIN1,
684						     SSB_SPROM8_AGAIN1_SHIFT);
685	out->antenna_gain.a2 = sprom_extract_antgain(out->revision, in,
686						     SSB_SPROM8_AGAIN23,
687						     SSB_SPROM8_AGAIN2,
688						     SSB_SPROM8_AGAIN2_SHIFT);
689	out->antenna_gain.a3 = sprom_extract_antgain(out->revision, in,
690						     SSB_SPROM8_AGAIN23,
691						     SSB_SPROM8_AGAIN3,
692						     SSB_SPROM8_AGAIN3_SHIFT);
693
694	/* Extract cores power info info */
695	for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) {
696		o = pwr_info_offset[i];
697		SPEX(core_pwr_info[i].itssi_2g, o + SSB_SROM8_2G_MAXP_ITSSI,
698			SSB_SPROM8_2G_ITSSI, SSB_SPROM8_2G_ITSSI_SHIFT);
699		SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SROM8_2G_MAXP_ITSSI,
700			SSB_SPROM8_2G_MAXP, 0);
701
702		SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SROM8_2G_PA_0, ~0, 0);
703		SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SROM8_2G_PA_1, ~0, 0);
704		SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SROM8_2G_PA_2, ~0, 0);
705
706		SPEX(core_pwr_info[i].itssi_5g, o + SSB_SROM8_5G_MAXP_ITSSI,
707			SSB_SPROM8_5G_ITSSI, SSB_SPROM8_5G_ITSSI_SHIFT);
708		SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SROM8_5G_MAXP_ITSSI,
709			SSB_SPROM8_5G_MAXP, 0);
710		SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM8_5GHL_MAXP,
711			SSB_SPROM8_5GH_MAXP, 0);
712		SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM8_5GHL_MAXP,
713			SSB_SPROM8_5GL_MAXP, SSB_SPROM8_5GL_MAXP_SHIFT);
714
715		SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SROM8_5GL_PA_0, ~0, 0);
716		SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SROM8_5GL_PA_1, ~0, 0);
717		SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SROM8_5GL_PA_2, ~0, 0);
718		SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SROM8_5G_PA_0, ~0, 0);
719		SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SROM8_5G_PA_1, ~0, 0);
720		SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SROM8_5G_PA_2, ~0, 0);
721		SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SROM8_5GH_PA_0, ~0, 0);
722		SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SROM8_5GH_PA_1, ~0, 0);
723		SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SROM8_5GH_PA_2, ~0, 0);
724	}
725
726	/* Extract FEM info */
727	SPEX(fem.ghz2.tssipos, SSB_SPROM8_FEM2G,
728		SSB_SROM8_FEM_TSSIPOS, SSB_SROM8_FEM_TSSIPOS_SHIFT);
729	SPEX(fem.ghz2.extpa_gain, SSB_SPROM8_FEM2G,
730		SSB_SROM8_FEM_EXTPA_GAIN, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT);
731	SPEX(fem.ghz2.pdet_range, SSB_SPROM8_FEM2G,
732		SSB_SROM8_FEM_PDET_RANGE, SSB_SROM8_FEM_PDET_RANGE_SHIFT);
733	SPEX(fem.ghz2.tr_iso, SSB_SPROM8_FEM2G,
734		SSB_SROM8_FEM_TR_ISO, SSB_SROM8_FEM_TR_ISO_SHIFT);
735	SPEX(fem.ghz2.antswlut, SSB_SPROM8_FEM2G,
736		SSB_SROM8_FEM_ANTSWLUT, SSB_SROM8_FEM_ANTSWLUT_SHIFT);
737
738	SPEX(fem.ghz5.tssipos, SSB_SPROM8_FEM5G,
739		SSB_SROM8_FEM_TSSIPOS, SSB_SROM8_FEM_TSSIPOS_SHIFT);
740	SPEX(fem.ghz5.extpa_gain, SSB_SPROM8_FEM5G,
741		SSB_SROM8_FEM_EXTPA_GAIN, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT);
742	SPEX(fem.ghz5.pdet_range, SSB_SPROM8_FEM5G,
743		SSB_SROM8_FEM_PDET_RANGE, SSB_SROM8_FEM_PDET_RANGE_SHIFT);
744	SPEX(fem.ghz5.tr_iso, SSB_SPROM8_FEM5G,
745		SSB_SROM8_FEM_TR_ISO, SSB_SROM8_FEM_TR_ISO_SHIFT);
746	SPEX(fem.ghz5.antswlut, SSB_SPROM8_FEM5G,
747		SSB_SROM8_FEM_ANTSWLUT, SSB_SROM8_FEM_ANTSWLUT_SHIFT);
748
749	SPEX(leddc_on_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_ON,
750	     SSB_SPROM8_LEDDC_ON_SHIFT);
751	SPEX(leddc_off_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_OFF,
752	     SSB_SPROM8_LEDDC_OFF_SHIFT);
753
754	SPEX(txchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_TXCHAIN,
755	     SSB_SPROM8_TXRXC_TXCHAIN_SHIFT);
756	SPEX(rxchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_RXCHAIN,
757	     SSB_SPROM8_TXRXC_RXCHAIN_SHIFT);
758	SPEX(antswitch, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_SWITCH,
759	     SSB_SPROM8_TXRXC_SWITCH_SHIFT);
760
761	SPEX(opo, SSB_SPROM8_OFDM2GPO, 0x00ff, 0);
762
763	SPEX_ARRAY8(mcs2gpo, SSB_SPROM8_2G_MCSPO, ~0, 0);
764	SPEX_ARRAY8(mcs5gpo, SSB_SPROM8_5G_MCSPO, ~0, 0);
765	SPEX_ARRAY8(mcs5glpo, SSB_SPROM8_5GL_MCSPO, ~0, 0);
766	SPEX_ARRAY8(mcs5ghpo, SSB_SPROM8_5GH_MCSPO, ~0, 0);
767
768	SPEX(rawtempsense, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_RAWTEMP,
769	     SSB_SPROM8_RAWTS_RAWTEMP_SHIFT);
770	SPEX(measpower, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_MEASPOWER,
771	     SSB_SPROM8_RAWTS_MEASPOWER_SHIFT);
772	SPEX(tempsense_slope, SSB_SPROM8_OPT_CORRX,
773	     SSB_SPROM8_OPT_CORRX_TEMP_SLOPE,
774	     SSB_SPROM8_OPT_CORRX_TEMP_SLOPE_SHIFT);
775	SPEX(tempcorrx, SSB_SPROM8_OPT_CORRX, SSB_SPROM8_OPT_CORRX_TEMPCORRX,
776	     SSB_SPROM8_OPT_CORRX_TEMPCORRX_SHIFT);
777	SPEX(tempsense_option, SSB_SPROM8_OPT_CORRX,
778	     SSB_SPROM8_OPT_CORRX_TEMP_OPTION,
779	     SSB_SPROM8_OPT_CORRX_TEMP_OPTION_SHIFT);
780	SPEX(freqoffset_corr, SSB_SPROM8_HWIQ_IQSWP,
781	     SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR,
782	     SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR_SHIFT);
783	SPEX(iqcal_swp_dis, SSB_SPROM8_HWIQ_IQSWP,
784	     SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP,
785	     SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP_SHIFT);
786	SPEX(hw_iqcal_en, SSB_SPROM8_HWIQ_IQSWP, SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL,
787	     SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL_SHIFT);
788
789	SPEX(bw40po, SSB_SPROM8_BW40PO, ~0, 0);
790	SPEX(cddpo, SSB_SPROM8_CDDPO, ~0, 0);
791	SPEX(stbcpo, SSB_SPROM8_STBCPO, ~0, 0);
792	SPEX(bwduppo, SSB_SPROM8_BWDUPPO, ~0, 0);
793
794	SPEX(tempthresh, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_TRESH,
795	     SSB_SPROM8_THERMAL_TRESH_SHIFT);
796	SPEX(tempoffset, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_OFFSET,
797	     SSB_SPROM8_THERMAL_OFFSET_SHIFT);
798	SPEX(phycal_tempdelta, SSB_SPROM8_TEMPDELTA,
799	     SSB_SPROM8_TEMPDELTA_PHYCAL,
800	     SSB_SPROM8_TEMPDELTA_PHYCAL_SHIFT);
801	SPEX(temps_period, SSB_SPROM8_TEMPDELTA, SSB_SPROM8_TEMPDELTA_PERIOD,
802	     SSB_SPROM8_TEMPDELTA_PERIOD_SHIFT);
803	SPEX(temps_hysteresis, SSB_SPROM8_TEMPDELTA,
804	     SSB_SPROM8_TEMPDELTA_HYSTERESIS,
805	     SSB_SPROM8_TEMPDELTA_HYSTERESIS_SHIFT);
806	sprom_extract_r458(out, in);
807
808	/* TODO - get remaining rev 8 stuff needed */
809}
810
811static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
812			 const u16 *in, u16 size)
813{
814	memset(out, 0, sizeof(*out));
815
816	out->revision = in[size - 1] & 0x00FF;
817	pr_debug("SPROM revision %d detected\n", out->revision);
818	memset(out->et0mac, 0xFF, 6);		/* preset et0 and et1 mac */
819	memset(out->et1mac, 0xFF, 6);
820
821	if ((bus->chip_id & 0xFF00) == 0x4400) {
822		/* Workaround: The BCM44XX chip has a stupid revision
823		 * number stored in the SPROM.
824		 * Always extract r1. */
825		out->revision = 1;
826		pr_debug("SPROM treated as revision %d\n", out->revision);
827	}
828
829	switch (out->revision) {
830	case 1:
831	case 2:
832	case 3:
833		sprom_extract_r123(out, in);
834		break;
835	case 4:
836	case 5:
837		sprom_extract_r45(out, in);
838		break;
839	case 8:
840		sprom_extract_r8(out, in);
841		break;
842	default:
843		pr_warn("Unsupported SPROM revision %d detected. Will extract v1\n",
844			out->revision);
845		out->revision = 1;
846		sprom_extract_r123(out, in);
847	}
848
849	if (out->boardflags_lo == 0xFFFF)
850		out->boardflags_lo = 0;  /* per specs */
851	if (out->boardflags_hi == 0xFFFF)
852		out->boardflags_hi = 0;  /* per specs */
853
854	return 0;
855}
856
857static int ssb_pci_sprom_get(struct ssb_bus *bus,
858			     struct ssb_sprom *sprom)
859{
860	int err;
861	u16 *buf;
862
863	if (!ssb_is_sprom_available(bus)) {
864		pr_err("No SPROM available!\n");
865		return -ENODEV;
866	}
867	if (bus->chipco.dev) {	/* can be unavailable! */
868		/*
869		 * get SPROM offset: SSB_SPROM_BASE1 except for
870		 * chipcommon rev >= 31 or chip ID is 0x4312 and
871		 * chipcommon status & 3 == 2
872		 */
873		if (bus->chipco.dev->id.revision >= 31)
874			bus->sprom_offset = SSB_SPROM_BASE31;
875		else if (bus->chip_id == 0x4312 &&
876			 (bus->chipco.status & 0x03) == 2)
877			bus->sprom_offset = SSB_SPROM_BASE31;
878		else
879			bus->sprom_offset = SSB_SPROM_BASE1;
880	} else {
881		bus->sprom_offset = SSB_SPROM_BASE1;
882	}
883	pr_debug("SPROM offset is 0x%x\n", bus->sprom_offset);
884
885	buf = kcalloc(SSB_SPROMSIZE_WORDS_R123, sizeof(u16), GFP_KERNEL);
886	if (!buf)
887		return -ENOMEM;
888	bus->sprom_size = SSB_SPROMSIZE_WORDS_R123;
889	sprom_do_read(bus, buf);
890	err = sprom_check_crc(buf, bus->sprom_size);
891	if (err) {
892		/* try for a 440 byte SPROM - revision 4 and higher */
893		kfree(buf);
894		buf = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
895			      GFP_KERNEL);
896		if (!buf)
897			return -ENOMEM;
898		bus->sprom_size = SSB_SPROMSIZE_WORDS_R4;
899		sprom_do_read(bus, buf);
900		err = sprom_check_crc(buf, bus->sprom_size);
901		if (err) {
902			/* All CRC attempts failed.
903			 * Maybe there is no SPROM on the device?
904			 * Now we ask the arch code if there is some sprom
905			 * available for this device in some other storage */
906			err = ssb_fill_sprom_with_fallback(bus, sprom);
907			if (err) {
908				pr_warn("WARNING: Using fallback SPROM failed (err %d)\n",
909					err);
910				goto out_free;
911			} else {
912				pr_debug("Using SPROM revision %d provided by platform\n",
913					 sprom->revision);
914				err = 0;
915				goto out_free;
916			}
917		}
918	}
919	err = sprom_extract(bus, sprom, buf, bus->sprom_size);
920
921out_free:
922	kfree(buf);
923	return err;
924}
925
926static void ssb_pci_get_boardinfo(struct ssb_bus *bus,
927				  struct ssb_boardinfo *bi)
928{
929	bi->vendor = bus->host_pci->subsystem_vendor;
930	bi->type = bus->host_pci->subsystem_device;
931}
932
933int ssb_pci_get_invariants(struct ssb_bus *bus,
934			   struct ssb_init_invariants *iv)
935{
936	int err;
937
938	err = ssb_pci_sprom_get(bus, &iv->sprom);
939	if (err)
940		goto out;
941	ssb_pci_get_boardinfo(bus, &iv->boardinfo);
942
943out:
944	return err;
945}
946
947static int ssb_pci_assert_buspower(struct ssb_bus *bus)
948{
949	if (likely(bus->powered_up))
950		return 0;
951
952	pr_err("FATAL ERROR: Bus powered down while accessing PCI MMIO space\n");
953	if (bus->power_warn_count <= 10) {
954		bus->power_warn_count++;
955		dump_stack();
956	}
957
958	return -ENODEV;
959}
960
961static u8 ssb_pci_read8(struct ssb_device *dev, u16 offset)
962{
963	struct ssb_bus *bus = dev->bus;
964
965	if (unlikely(ssb_pci_assert_buspower(bus)))
966		return 0xFF;
967	if (unlikely(bus->mapped_device != dev)) {
968		if (unlikely(ssb_pci_switch_core(bus, dev)))
969			return 0xFF;
970	}
971	return ioread8(bus->mmio + offset);
972}
973
974static u16 ssb_pci_read16(struct ssb_device *dev, u16 offset)
975{
976	struct ssb_bus *bus = dev->bus;
977
978	if (unlikely(ssb_pci_assert_buspower(bus)))
979		return 0xFFFF;
980	if (unlikely(bus->mapped_device != dev)) {
981		if (unlikely(ssb_pci_switch_core(bus, dev)))
982			return 0xFFFF;
983	}
984	return ioread16(bus->mmio + offset);
985}
986
987static u32 ssb_pci_read32(struct ssb_device *dev, u16 offset)
988{
989	struct ssb_bus *bus = dev->bus;
990
991	if (unlikely(ssb_pci_assert_buspower(bus)))
992		return 0xFFFFFFFF;
993	if (unlikely(bus->mapped_device != dev)) {
994		if (unlikely(ssb_pci_switch_core(bus, dev)))
995			return 0xFFFFFFFF;
996	}
997	return ioread32(bus->mmio + offset);
998}
999
1000#ifdef CONFIG_SSB_BLOCKIO
1001static void ssb_pci_block_read(struct ssb_device *dev, void *buffer,
1002			       size_t count, u16 offset, u8 reg_width)
1003{
1004	struct ssb_bus *bus = dev->bus;
1005	void __iomem *addr = bus->mmio + offset;
1006
1007	if (unlikely(ssb_pci_assert_buspower(bus)))
1008		goto error;
1009	if (unlikely(bus->mapped_device != dev)) {
1010		if (unlikely(ssb_pci_switch_core(bus, dev)))
1011			goto error;
1012	}
1013	switch (reg_width) {
1014	case sizeof(u8):
1015		ioread8_rep(addr, buffer, count);
1016		break;
1017	case sizeof(u16):
1018		WARN_ON(count & 1);
1019		ioread16_rep(addr, buffer, count >> 1);
1020		break;
1021	case sizeof(u32):
1022		WARN_ON(count & 3);
1023		ioread32_rep(addr, buffer, count >> 2);
1024		break;
1025	default:
1026		WARN_ON(1);
1027	}
1028
1029	return;
1030error:
1031	memset(buffer, 0xFF, count);
1032}
1033#endif /* CONFIG_SSB_BLOCKIO */
1034
1035static void ssb_pci_write8(struct ssb_device *dev, u16 offset, u8 value)
1036{
1037	struct ssb_bus *bus = dev->bus;
1038
1039	if (unlikely(ssb_pci_assert_buspower(bus)))
1040		return;
1041	if (unlikely(bus->mapped_device != dev)) {
1042		if (unlikely(ssb_pci_switch_core(bus, dev)))
1043			return;
1044	}
1045	iowrite8(value, bus->mmio + offset);
1046}
1047
1048static void ssb_pci_write16(struct ssb_device *dev, u16 offset, u16 value)
1049{
1050	struct ssb_bus *bus = dev->bus;
1051
1052	if (unlikely(ssb_pci_assert_buspower(bus)))
1053		return;
1054	if (unlikely(bus->mapped_device != dev)) {
1055		if (unlikely(ssb_pci_switch_core(bus, dev)))
1056			return;
1057	}
1058	iowrite16(value, bus->mmio + offset);
1059}
1060
1061static void ssb_pci_write32(struct ssb_device *dev, u16 offset, u32 value)
1062{
1063	struct ssb_bus *bus = dev->bus;
1064
1065	if (unlikely(ssb_pci_assert_buspower(bus)))
1066		return;
1067	if (unlikely(bus->mapped_device != dev)) {
1068		if (unlikely(ssb_pci_switch_core(bus, dev)))
1069			return;
1070	}
1071	iowrite32(value, bus->mmio + offset);
1072}
1073
1074#ifdef CONFIG_SSB_BLOCKIO
1075static void ssb_pci_block_write(struct ssb_device *dev, const void *buffer,
1076				size_t count, u16 offset, u8 reg_width)
1077{
1078	struct ssb_bus *bus = dev->bus;
1079	void __iomem *addr = bus->mmio + offset;
1080
1081	if (unlikely(ssb_pci_assert_buspower(bus)))
1082		return;
1083	if (unlikely(bus->mapped_device != dev)) {
1084		if (unlikely(ssb_pci_switch_core(bus, dev)))
1085			return;
1086	}
1087	switch (reg_width) {
1088	case sizeof(u8):
1089		iowrite8_rep(addr, buffer, count);
1090		break;
1091	case sizeof(u16):
1092		WARN_ON(count & 1);
1093		iowrite16_rep(addr, buffer, count >> 1);
1094		break;
1095	case sizeof(u32):
1096		WARN_ON(count & 3);
1097		iowrite32_rep(addr, buffer, count >> 2);
1098		break;
1099	default:
1100		WARN_ON(1);
1101	}
1102}
1103#endif /* CONFIG_SSB_BLOCKIO */
1104
1105/* Not "static", as it's used in main.c */
1106const struct ssb_bus_ops ssb_pci_ops = {
1107	.read8		= ssb_pci_read8,
1108	.read16		= ssb_pci_read16,
1109	.read32		= ssb_pci_read32,
1110	.write8		= ssb_pci_write8,
1111	.write16	= ssb_pci_write16,
1112	.write32	= ssb_pci_write32,
1113#ifdef CONFIG_SSB_BLOCKIO
1114	.block_read	= ssb_pci_block_read,
1115	.block_write	= ssb_pci_block_write,
1116#endif
1117};
1118
1119static ssize_t ssb_sprom_show(struct device *pcidev,
1120			      struct device_attribute *attr,
1121			      char *buf)
1122{
1123	struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev);
1124	struct ssb_bus *bus;
1125
1126	bus = ssb_pci_dev_to_bus(pdev);
1127	if (!bus)
1128		return -ENODEV;
1129
1130	return ssb_attr_sprom_show(bus, buf, sprom_do_read);
1131}
1132
1133static ssize_t ssb_sprom_store(struct device *pcidev,
1134			       struct device_attribute *attr,
1135			       const char *buf, size_t count)
1136{
1137	struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev);
1138	struct ssb_bus *bus;
1139
1140	bus = ssb_pci_dev_to_bus(pdev);
1141	if (!bus)
1142		return -ENODEV;
1143
1144	return ssb_attr_sprom_store(bus, buf, count,
1145				    sprom_check_crc, sprom_do_write);
1146}
1147
1148static DEVICE_ATTR_ADMIN_RW(ssb_sprom);
1149
1150void ssb_pci_exit(struct ssb_bus *bus)
1151{
1152	struct pci_dev *pdev;
1153
1154	if (bus->bustype != SSB_BUSTYPE_PCI)
1155		return;
1156
1157	pdev = bus->host_pci;
1158	device_remove_file(&pdev->dev, &dev_attr_ssb_sprom);
1159}
1160
1161int ssb_pci_init(struct ssb_bus *bus)
1162{
1163	struct pci_dev *pdev;
1164
1165	if (bus->bustype != SSB_BUSTYPE_PCI)
1166		return 0;
1167
1168	pdev = bus->host_pci;
1169	mutex_init(&bus->sprom_mutex);
1170
1171	return device_create_file(&pdev->dev, &dev_attr_ssb_sprom);
1172}
1173