xref: /openbmc/linux/sound/pci/pcxhr/pcxhr_mix22.c (revision 0d456bad)
1 /*
2  * Driver for Digigram pcxhr compatible soundcards
3  *
4  * mixer interface for stereo cards
5  *
6  * Copyright (c) 2004 by Digigram <alsa@digigram.com>
7  *
8  *   This program is free software; you can redistribute it and/or modify
9  *   it under the terms of the GNU General Public License as published by
10  *   the Free Software Foundation; either version 2 of the License, or
11  *   (at your option) any later version.
12  *
13  *   This program is distributed in the hope that it will be useful,
14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *   GNU General Public License for more details.
17  *
18  *   You should have received a copy of the GNU General Public License
19  *   along with this program; if not, write to the Free Software
20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  */
22 
23 #include <linux/delay.h>
24 #include <linux/io.h>
25 #include <sound/core.h>
26 #include <sound/control.h>
27 #include <sound/tlv.h>
28 #include <sound/asoundef.h>
29 #include "pcxhr.h"
30 #include "pcxhr_core.h"
31 #include "pcxhr_mix22.h"
32 
33 
34 /* registers used on the DSP and Xilinx (port 2) : HR stereo cards only */
35 #define PCXHR_DSP_RESET		0x20
36 #define PCXHR_XLX_CFG		0x24
37 #define PCXHR_XLX_RUER		0x28
38 #define PCXHR_XLX_DATA		0x2C
39 #define PCXHR_XLX_STATUS	0x30
40 #define PCXHR_XLX_LOFREQ	0x34
41 #define PCXHR_XLX_HIFREQ	0x38
42 #define PCXHR_XLX_CSUER		0x3C
43 #define PCXHR_XLX_SELMIC	0x40
44 
45 #define PCXHR_DSP 2
46 
47 /* byte access only ! */
48 #define PCXHR_INPB(mgr, x)	inb((mgr)->port[PCXHR_DSP] + (x))
49 #define PCXHR_OUTPB(mgr, x, data) outb((data), (mgr)->port[PCXHR_DSP] + (x))
50 
51 
52 /* values for PCHR_DSP_RESET register */
53 #define PCXHR_DSP_RESET_DSP	0x01
54 #define PCXHR_DSP_RESET_MUTE	0x02
55 #define PCXHR_DSP_RESET_CODEC	0x08
56 #define PCXHR_DSP_RESET_SMPTE	0x10
57 #define PCXHR_DSP_RESET_GPO_OFFSET	5
58 #define PCXHR_DSP_RESET_GPO_MASK	0x60
59 
60 /* values for PCHR_XLX_CFG register */
61 #define PCXHR_CFG_SYNCDSP_MASK		0x80
62 #define PCXHR_CFG_DEPENDENCY_MASK	0x60
63 #define PCXHR_CFG_INDEPENDANT_SEL	0x00
64 #define PCXHR_CFG_MASTER_SEL		0x40
65 #define PCXHR_CFG_SLAVE_SEL		0x20
66 #define PCXHR_CFG_DATA_UER1_SEL_MASK	0x10	/* 0 (UER0), 1(UER1) */
67 #define PCXHR_CFG_DATAIN_SEL_MASK	0x08	/* 0 (ana), 1 (UER) */
68 #define PCXHR_CFG_SRC_MASK		0x04	/* 0 (Bypass), 1 (SRC Actif) */
69 #define PCXHR_CFG_CLOCK_UER1_SEL_MASK	0x02	/* 0 (UER0), 1(UER1) */
70 #define PCXHR_CFG_CLOCKIN_SEL_MASK	0x01	/* 0 (internal), 1 (AES/EBU) */
71 
72 /* values for PCHR_XLX_DATA register */
73 #define PCXHR_DATA_CODEC	0x80
74 #define AKM_POWER_CONTROL_CMD	0xA007
75 #define AKM_RESET_ON_CMD	0xA100
76 #define AKM_RESET_OFF_CMD	0xA103
77 #define AKM_CLOCK_INF_55K_CMD	0xA240
78 #define AKM_CLOCK_SUP_55K_CMD	0xA24D
79 #define AKM_MUTE_CMD		0xA38D
80 #define AKM_UNMUTE_CMD		0xA30D
81 #define AKM_LEFT_LEVEL_CMD	0xA600
82 #define AKM_RIGHT_LEVEL_CMD	0xA700
83 
84 /* values for PCHR_XLX_STATUS register - READ */
85 #define PCXHR_STAT_SRC_LOCK		0x01
86 #define PCXHR_STAT_LEVEL_IN		0x02
87 #define PCXHR_STAT_GPI_OFFSET		2
88 #define PCXHR_STAT_GPI_MASK		0x0C
89 #define PCXHR_STAT_MIC_CAPS		0x10
90 /* values for PCHR_XLX_STATUS register - WRITE */
91 #define PCXHR_STAT_FREQ_SYNC_MASK	0x01
92 #define PCXHR_STAT_FREQ_UER1_MASK	0x02
93 #define PCXHR_STAT_FREQ_SAVE_MASK	0x80
94 
95 /* values for PCHR_XLX_CSUER register */
96 #define PCXHR_SUER1_BIT_U_READ_MASK	0x80
97 #define PCXHR_SUER1_BIT_C_READ_MASK	0x40
98 #define PCXHR_SUER1_DATA_PRESENT_MASK	0x20
99 #define PCXHR_SUER1_CLOCK_PRESENT_MASK	0x10
100 #define PCXHR_SUER_BIT_U_READ_MASK	0x08
101 #define PCXHR_SUER_BIT_C_READ_MASK	0x04
102 #define PCXHR_SUER_DATA_PRESENT_MASK	0x02
103 #define PCXHR_SUER_CLOCK_PRESENT_MASK	0x01
104 
105 #define PCXHR_SUER_BIT_U_WRITE_MASK	0x02
106 #define PCXHR_SUER_BIT_C_WRITE_MASK	0x01
107 
108 /* values for PCXHR_XLX_SELMIC register - WRITE */
109 #define PCXHR_SELMIC_PREAMPLI_OFFSET	2
110 #define PCXHR_SELMIC_PREAMPLI_MASK	0x0C
111 #define PCXHR_SELMIC_PHANTOM_ALIM	0x80
112 
113 
114 static const unsigned char g_hr222_p_level[] = {
115     0x00,   /* [000] -49.5 dB:	AKM[000] = -1.#INF dB	(mute) */
116     0x01,   /* [001] -49.0 dB:	AKM[001] = -48.131 dB	(diff=0.86920 dB) */
117     0x01,   /* [002] -48.5 dB:	AKM[001] = -48.131 dB	(diff=0.36920 dB) */
118     0x01,   /* [003] -48.0 dB:	AKM[001] = -48.131 dB	(diff=0.13080 dB) */
119     0x01,   /* [004] -47.5 dB:	AKM[001] = -48.131 dB	(diff=0.63080 dB) */
120     0x01,   /* [005] -46.5 dB:	AKM[001] = -48.131 dB	(diff=1.63080 dB) */
121     0x01,   /* [006] -47.0 dB:	AKM[001] = -48.131 dB	(diff=1.13080 dB) */
122     0x01,   /* [007] -46.0 dB:	AKM[001] = -48.131 dB	(diff=2.13080 dB) */
123     0x01,   /* [008] -45.5 dB:	AKM[001] = -48.131 dB	(diff=2.63080 dB) */
124     0x02,   /* [009] -45.0 dB:	AKM[002] = -42.110 dB	(diff=2.88980 dB) */
125     0x02,   /* [010] -44.5 dB:	AKM[002] = -42.110 dB	(diff=2.38980 dB) */
126     0x02,   /* [011] -44.0 dB:	AKM[002] = -42.110 dB	(diff=1.88980 dB) */
127     0x02,   /* [012] -43.5 dB:	AKM[002] = -42.110 dB	(diff=1.38980 dB) */
128     0x02,   /* [013] -43.0 dB:	AKM[002] = -42.110 dB	(diff=0.88980 dB) */
129     0x02,   /* [014] -42.5 dB:	AKM[002] = -42.110 dB	(diff=0.38980 dB) */
130     0x02,   /* [015] -42.0 dB:	AKM[002] = -42.110 dB	(diff=0.11020 dB) */
131     0x02,   /* [016] -41.5 dB:	AKM[002] = -42.110 dB	(diff=0.61020 dB) */
132     0x02,   /* [017] -41.0 dB:	AKM[002] = -42.110 dB	(diff=1.11020 dB) */
133     0x02,   /* [018] -40.5 dB:	AKM[002] = -42.110 dB	(diff=1.61020 dB) */
134     0x03,   /* [019] -40.0 dB:	AKM[003] = -38.588 dB	(diff=1.41162 dB) */
135     0x03,   /* [020] -39.5 dB:	AKM[003] = -38.588 dB	(diff=0.91162 dB) */
136     0x03,   /* [021] -39.0 dB:	AKM[003] = -38.588 dB	(diff=0.41162 dB) */
137     0x03,   /* [022] -38.5 dB:	AKM[003] = -38.588 dB	(diff=0.08838 dB) */
138     0x03,   /* [023] -38.0 dB:	AKM[003] = -38.588 dB	(diff=0.58838 dB) */
139     0x03,   /* [024] -37.5 dB:	AKM[003] = -38.588 dB	(diff=1.08838 dB) */
140     0x04,   /* [025] -37.0 dB:	AKM[004] = -36.090 dB	(diff=0.91040 dB) */
141     0x04,   /* [026] -36.5 dB:	AKM[004] = -36.090 dB	(diff=0.41040 dB) */
142     0x04,   /* [027] -36.0 dB:	AKM[004] = -36.090 dB	(diff=0.08960 dB) */
143     0x04,   /* [028] -35.5 dB:	AKM[004] = -36.090 dB	(diff=0.58960 dB) */
144     0x05,   /* [029] -35.0 dB:	AKM[005] = -34.151 dB	(diff=0.84860 dB) */
145     0x05,   /* [030] -34.5 dB:	AKM[005] = -34.151 dB	(diff=0.34860 dB) */
146     0x05,   /* [031] -34.0 dB:	AKM[005] = -34.151 dB	(diff=0.15140 dB) */
147     0x05,   /* [032] -33.5 dB:	AKM[005] = -34.151 dB	(diff=0.65140 dB) */
148     0x06,   /* [033] -33.0 dB:	AKM[006] = -32.568 dB	(diff=0.43222 dB) */
149     0x06,   /* [034] -32.5 dB:	AKM[006] = -32.568 dB	(diff=0.06778 dB) */
150     0x06,   /* [035] -32.0 dB:	AKM[006] = -32.568 dB	(diff=0.56778 dB) */
151     0x07,   /* [036] -31.5 dB:	AKM[007] = -31.229 dB	(diff=0.27116 dB) */
152     0x07,   /* [037] -31.0 dB:	AKM[007] = -31.229 dB	(diff=0.22884 dB) */
153     0x08,   /* [038] -30.5 dB:	AKM[008] = -30.069 dB	(diff=0.43100 dB) */
154     0x08,   /* [039] -30.0 dB:	AKM[008] = -30.069 dB	(diff=0.06900 dB) */
155     0x09,   /* [040] -29.5 dB:	AKM[009] = -29.046 dB	(diff=0.45405 dB) */
156     0x09,   /* [041] -29.0 dB:	AKM[009] = -29.046 dB	(diff=0.04595 dB) */
157     0x0a,   /* [042] -28.5 dB:	AKM[010] = -28.131 dB	(diff=0.36920 dB) */
158     0x0a,   /* [043] -28.0 dB:	AKM[010] = -28.131 dB	(diff=0.13080 dB) */
159     0x0b,   /* [044] -27.5 dB:	AKM[011] = -27.303 dB	(diff=0.19705 dB) */
160     0x0b,   /* [045] -27.0 dB:	AKM[011] = -27.303 dB	(diff=0.30295 dB) */
161     0x0c,   /* [046] -26.5 dB:	AKM[012] = -26.547 dB	(diff=0.04718 dB) */
162     0x0d,   /* [047] -26.0 dB:	AKM[013] = -25.852 dB	(diff=0.14806 dB) */
163     0x0e,   /* [048] -25.5 dB:	AKM[014] = -25.208 dB	(diff=0.29176 dB) */
164     0x0e,   /* [049] -25.0 dB:	AKM[014] = -25.208 dB	(diff=0.20824 dB) */
165     0x0f,   /* [050] -24.5 dB:	AKM[015] = -24.609 dB	(diff=0.10898 dB) */
166     0x10,   /* [051] -24.0 dB:	AKM[016] = -24.048 dB	(diff=0.04840 dB) */
167     0x11,   /* [052] -23.5 dB:	AKM[017] = -23.522 dB	(diff=0.02183 dB) */
168     0x12,   /* [053] -23.0 dB:	AKM[018] = -23.025 dB	(diff=0.02535 dB) */
169     0x13,   /* [054] -22.5 dB:	AKM[019] = -22.556 dB	(diff=0.05573 dB) */
170     0x14,   /* [055] -22.0 dB:	AKM[020] = -22.110 dB	(diff=0.11020 dB) */
171     0x15,   /* [056] -21.5 dB:	AKM[021] = -21.686 dB	(diff=0.18642 dB) */
172     0x17,   /* [057] -21.0 dB:	AKM[023] = -20.896 dB	(diff=0.10375 dB) */
173     0x18,   /* [058] -20.5 dB:	AKM[024] = -20.527 dB	(diff=0.02658 dB) */
174     0x1a,   /* [059] -20.0 dB:	AKM[026] = -19.831 dB	(diff=0.16866 dB) */
175     0x1b,   /* [060] -19.5 dB:	AKM[027] = -19.504 dB	(diff=0.00353 dB) */
176     0x1d,   /* [061] -19.0 dB:	AKM[029] = -18.883 dB	(diff=0.11716 dB) */
177     0x1e,   /* [062] -18.5 dB:	AKM[030] = -18.588 dB	(diff=0.08838 dB) */
178     0x20,   /* [063] -18.0 dB:	AKM[032] = -18.028 dB	(diff=0.02780 dB) */
179     0x22,   /* [064] -17.5 dB:	AKM[034] = -17.501 dB	(diff=0.00123 dB) */
180     0x24,   /* [065] -17.0 dB:	AKM[036] = -17.005 dB	(diff=0.00475 dB) */
181     0x26,   /* [066] -16.5 dB:	AKM[038] = -16.535 dB	(diff=0.03513 dB) */
182     0x28,   /* [067] -16.0 dB:	AKM[040] = -16.090 dB	(diff=0.08960 dB) */
183     0x2b,   /* [068] -15.5 dB:	AKM[043] = -15.461 dB	(diff=0.03857 dB) */
184     0x2d,   /* [069] -15.0 dB:	AKM[045] = -15.067 dB	(diff=0.06655 dB) */
185     0x30,   /* [070] -14.5 dB:	AKM[048] = -14.506 dB	(diff=0.00598 dB) */
186     0x33,   /* [071] -14.0 dB:	AKM[051] = -13.979 dB	(diff=0.02060 dB) */
187     0x36,   /* [072] -13.5 dB:	AKM[054] = -13.483 dB	(diff=0.01707 dB) */
188     0x39,   /* [073] -13.0 dB:	AKM[057] = -13.013 dB	(diff=0.01331 dB) */
189     0x3c,   /* [074] -12.5 dB:	AKM[060] = -12.568 dB	(diff=0.06778 dB) */
190     0x40,   /* [075] -12.0 dB:	AKM[064] = -12.007 dB	(diff=0.00720 dB) */
191     0x44,   /* [076] -11.5 dB:	AKM[068] = -11.481 dB	(diff=0.01937 dB) */
192     0x48,   /* [077] -11.0 dB:	AKM[072] = -10.984 dB	(diff=0.01585 dB) */
193     0x4c,   /* [078] -10.5 dB:	AKM[076] = -10.515 dB	(diff=0.01453 dB) */
194     0x51,   /* [079] -10.0 dB:	AKM[081] = -9.961 dB	(diff=0.03890 dB) */
195     0x55,   /* [080] -9.5 dB:	AKM[085] = -9.542 dB	(diff=0.04243 dB) */
196     0x5a,   /* [081] -9.0 dB:	AKM[090] = -9.046 dB	(diff=0.04595 dB) */
197     0x60,   /* [082] -8.5 dB:	AKM[096] = -8.485 dB	(diff=0.01462 dB) */
198     0x66,   /* [083] -8.0 dB:	AKM[102] = -7.959 dB	(diff=0.04120 dB) */
199     0x6c,   /* [084] -7.5 dB:	AKM[108] = -7.462 dB	(diff=0.03767 dB) */
200     0x72,   /* [085] -7.0 dB:	AKM[114] = -6.993 dB	(diff=0.00729 dB) */
201     0x79,   /* [086] -6.5 dB:	AKM[121] = -6.475 dB	(diff=0.02490 dB) */
202     0x80,   /* [087] -6.0 dB:	AKM[128] = -5.987 dB	(diff=0.01340 dB) */
203     0x87,   /* [088] -5.5 dB:	AKM[135] = -5.524 dB	(diff=0.02413 dB) */
204     0x8f,   /* [089] -5.0 dB:	AKM[143] = -5.024 dB	(diff=0.02408 dB) */
205     0x98,   /* [090] -4.5 dB:	AKM[152] = -4.494 dB	(diff=0.00607 dB) */
206     0xa1,   /* [091] -4.0 dB:	AKM[161] = -3.994 dB	(diff=0.00571 dB) */
207     0xaa,   /* [092] -3.5 dB:	AKM[170] = -3.522 dB	(diff=0.02183 dB) */
208     0xb5,   /* [093] -3.0 dB:	AKM[181] = -2.977 dB	(diff=0.02277 dB) */
209     0xbf,   /* [094] -2.5 dB:	AKM[191] = -2.510 dB	(diff=0.01014 dB) */
210     0xcb,   /* [095] -2.0 dB:	AKM[203] = -1.981 dB	(diff=0.01912 dB) */
211     0xd7,   /* [096] -1.5 dB:	AKM[215] = -1.482 dB	(diff=0.01797 dB) */
212     0xe3,   /* [097] -1.0 dB:	AKM[227] = -1.010 dB	(diff=0.01029 dB) */
213     0xf1,   /* [098] -0.5 dB:	AKM[241] = -0.490 dB	(diff=0.00954 dB) */
214     0xff,   /* [099] +0.0 dB:	AKM[255] = +0.000 dB	(diff=0.00000 dB) */
215 };
216 
217 
218 static void hr222_config_akm(struct pcxhr_mgr *mgr, unsigned short data)
219 {
220 	unsigned short mask = 0x8000;
221 	/* activate access to codec registers */
222 	PCXHR_INPB(mgr, PCXHR_XLX_HIFREQ);
223 
224 	while (mask) {
225 		PCXHR_OUTPB(mgr, PCXHR_XLX_DATA,
226 			    data & mask ? PCXHR_DATA_CODEC : 0);
227 		mask >>= 1;
228 	}
229 	/* termiate access to codec registers */
230 	PCXHR_INPB(mgr, PCXHR_XLX_RUER);
231 }
232 
233 
234 static int hr222_set_hw_playback_level(struct pcxhr_mgr *mgr,
235 				       int idx, int level)
236 {
237 	unsigned short cmd;
238 	if (idx > 1 ||
239 	    level < 0 ||
240 	    level >= ARRAY_SIZE(g_hr222_p_level))
241 		return -EINVAL;
242 
243 	if (idx == 0)
244 		cmd = AKM_LEFT_LEVEL_CMD;
245 	else
246 		cmd = AKM_RIGHT_LEVEL_CMD;
247 
248 	/* conversion from PmBoardCodedLevel to AKM nonlinear programming */
249 	cmd += g_hr222_p_level[level];
250 
251 	hr222_config_akm(mgr, cmd);
252 	return 0;
253 }
254 
255 
256 static int hr222_set_hw_capture_level(struct pcxhr_mgr *mgr,
257 				      int level_l, int level_r, int level_mic)
258 {
259 	/* program all input levels at the same time */
260 	unsigned int data;
261 	int i;
262 
263 	if (!mgr->capture_chips)
264 		return -EINVAL;	/* no PCX22 */
265 
266 	data  = ((level_mic & 0xff) << 24);	/* micro is mono, but apply */
267 	data |= ((level_mic & 0xff) << 16);	/* level on both channels */
268 	data |= ((level_r & 0xff) << 8);	/* line input right channel */
269 	data |= (level_l & 0xff);		/* line input left channel */
270 
271 	PCXHR_INPB(mgr, PCXHR_XLX_DATA);	/* activate input codec */
272 	/* send 32 bits (4 x 8 bits) */
273 	for (i = 0; i < 32; i++, data <<= 1) {
274 		PCXHR_OUTPB(mgr, PCXHR_XLX_DATA,
275 			    (data & 0x80000000) ? PCXHR_DATA_CODEC : 0);
276 	}
277 	PCXHR_INPB(mgr, PCXHR_XLX_RUER);	/* close input level codec */
278 	return 0;
279 }
280 
281 static void hr222_micro_boost(struct pcxhr_mgr *mgr, int level);
282 
283 int hr222_sub_init(struct pcxhr_mgr *mgr)
284 {
285 	unsigned char reg;
286 
287 	mgr->board_has_analog = 1;	/* analog always available */
288 	mgr->xlx_cfg = PCXHR_CFG_SYNCDSP_MASK;
289 
290 	reg = PCXHR_INPB(mgr, PCXHR_XLX_STATUS);
291 	if (reg & PCXHR_STAT_MIC_CAPS)
292 		mgr->board_has_mic = 1;	/* microphone available */
293 	snd_printdd("MIC input available = %d\n", mgr->board_has_mic);
294 
295 	/* reset codec */
296 	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET,
297 		    PCXHR_DSP_RESET_DSP);
298 	msleep(5);
299 	mgr->dsp_reset = PCXHR_DSP_RESET_DSP  |
300 			 PCXHR_DSP_RESET_MUTE |
301 			 PCXHR_DSP_RESET_CODEC;
302 	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, mgr->dsp_reset);
303 	/* hr222_write_gpo(mgr, 0); does the same */
304 	msleep(5);
305 
306 	/* config AKM */
307 	hr222_config_akm(mgr, AKM_POWER_CONTROL_CMD);
308 	hr222_config_akm(mgr, AKM_CLOCK_INF_55K_CMD);
309 	hr222_config_akm(mgr, AKM_UNMUTE_CMD);
310 	hr222_config_akm(mgr, AKM_RESET_OFF_CMD);
311 
312 	/* init micro boost */
313 	hr222_micro_boost(mgr, 0);
314 
315 	return 0;
316 }
317 
318 
319 /* calc PLL register */
320 /* TODO : there is a very similar fct in pcxhr.c */
321 static int hr222_pll_freq_register(unsigned int freq,
322 				   unsigned int *pllreg,
323 				   unsigned int *realfreq)
324 {
325 	unsigned int reg;
326 
327 	if (freq < 6900 || freq > 219000)
328 		return -EINVAL;
329 	reg = (28224000 * 2) / freq;
330 	reg = (reg - 1) / 2;
331 	if (reg < 0x100)
332 		*pllreg = reg + 0xC00;
333 	else if (reg < 0x200)
334 		*pllreg = reg + 0x800;
335 	else if (reg < 0x400)
336 		*pllreg = reg & 0x1ff;
337 	else if (reg < 0x800) {
338 		*pllreg = ((reg >> 1) & 0x1ff) + 0x200;
339 		reg &= ~1;
340 	} else {
341 		*pllreg = ((reg >> 2) & 0x1ff) + 0x400;
342 		reg &= ~3;
343 	}
344 	if (realfreq)
345 		*realfreq = (28224000 / (reg + 1));
346 	return 0;
347 }
348 
349 int hr222_sub_set_clock(struct pcxhr_mgr *mgr,
350 			unsigned int rate,
351 			int *changed)
352 {
353 	unsigned int speed, pllreg = 0;
354 	int err;
355 	unsigned realfreq = rate;
356 
357 	switch (mgr->use_clock_type) {
358 	case HR22_CLOCK_TYPE_INTERNAL:
359 		err = hr222_pll_freq_register(rate, &pllreg, &realfreq);
360 		if (err)
361 			return err;
362 
363 		mgr->xlx_cfg &= ~(PCXHR_CFG_CLOCKIN_SEL_MASK |
364 				  PCXHR_CFG_CLOCK_UER1_SEL_MASK);
365 		break;
366 	case HR22_CLOCK_TYPE_AES_SYNC:
367 		mgr->xlx_cfg |= PCXHR_CFG_CLOCKIN_SEL_MASK;
368 		mgr->xlx_cfg &= ~PCXHR_CFG_CLOCK_UER1_SEL_MASK;
369 		break;
370 	case HR22_CLOCK_TYPE_AES_1:
371 		if (!mgr->board_has_aes1)
372 			return -EINVAL;
373 
374 		mgr->xlx_cfg |= (PCXHR_CFG_CLOCKIN_SEL_MASK |
375 				 PCXHR_CFG_CLOCK_UER1_SEL_MASK);
376 		break;
377 	default:
378 		return -EINVAL;
379 	}
380 	hr222_config_akm(mgr, AKM_MUTE_CMD);
381 
382 	if (mgr->use_clock_type == HR22_CLOCK_TYPE_INTERNAL) {
383 		PCXHR_OUTPB(mgr, PCXHR_XLX_HIFREQ, pllreg >> 8);
384 		PCXHR_OUTPB(mgr, PCXHR_XLX_LOFREQ, pllreg & 0xff);
385 	}
386 
387 	/* set clock source */
388 	PCXHR_OUTPB(mgr, PCXHR_XLX_CFG, mgr->xlx_cfg);
389 
390 	/* codec speed modes */
391 	speed = rate < 55000 ? 0 : 1;
392 	if (mgr->codec_speed != speed) {
393 		mgr->codec_speed = speed;
394 		if (speed == 0)
395 			hr222_config_akm(mgr, AKM_CLOCK_INF_55K_CMD);
396 		else
397 			hr222_config_akm(mgr, AKM_CLOCK_SUP_55K_CMD);
398 	}
399 
400 	mgr->sample_rate_real = realfreq;
401 	mgr->cur_clock_type = mgr->use_clock_type;
402 
403 	if (changed)
404 		*changed = 1;
405 
406 	hr222_config_akm(mgr, AKM_UNMUTE_CMD);
407 
408 	snd_printdd("set_clock to %dHz (realfreq=%d pllreg=%x)\n",
409 		    rate, realfreq, pllreg);
410 	return 0;
411 }
412 
413 int hr222_get_external_clock(struct pcxhr_mgr *mgr,
414 			     enum pcxhr_clock_type clock_type,
415 			     int *sample_rate)
416 {
417 	int rate, calc_rate = 0;
418 	unsigned int ticks;
419 	unsigned char mask, reg;
420 
421 	if (clock_type == HR22_CLOCK_TYPE_AES_SYNC) {
422 
423 		mask = (PCXHR_SUER_CLOCK_PRESENT_MASK |
424 			PCXHR_SUER_DATA_PRESENT_MASK);
425 		reg = PCXHR_STAT_FREQ_SYNC_MASK;
426 
427 	} else if (clock_type == HR22_CLOCK_TYPE_AES_1 && mgr->board_has_aes1) {
428 
429 		mask = (PCXHR_SUER1_CLOCK_PRESENT_MASK |
430 			PCXHR_SUER1_DATA_PRESENT_MASK);
431 		reg = PCXHR_STAT_FREQ_UER1_MASK;
432 
433 	} else {
434 		snd_printdd("get_external_clock : type %d not supported\n",
435 			    clock_type);
436 		return -EINVAL; /* other clocks not supported */
437 	}
438 
439 	if ((PCXHR_INPB(mgr, PCXHR_XLX_CSUER) & mask) != mask) {
440 		snd_printdd("get_external_clock(%d) = 0 Hz\n", clock_type);
441 		*sample_rate = 0;
442 		return 0; /* no external clock locked */
443 	}
444 
445 	PCXHR_OUTPB(mgr, PCXHR_XLX_STATUS, reg); /* calculate freq */
446 
447 	/* save the measured clock frequency */
448 	reg |= PCXHR_STAT_FREQ_SAVE_MASK;
449 
450 	if (mgr->last_reg_stat != reg) {
451 		udelay(500);	/* wait min 2 cycles of lowest freq (8000) */
452 		mgr->last_reg_stat = reg;
453 	}
454 
455 	PCXHR_OUTPB(mgr, PCXHR_XLX_STATUS, reg); /* save */
456 
457 	/* get the frequency */
458 	ticks = (unsigned int)PCXHR_INPB(mgr, PCXHR_XLX_CFG);
459 	ticks = (ticks & 0x03) << 8;
460 	ticks |= (unsigned int)PCXHR_INPB(mgr, PCXHR_DSP_RESET);
461 
462 	if (ticks != 0)
463 		calc_rate = 28224000 / ticks;
464 	/* rounding */
465 	if (calc_rate > 184200)
466 		rate = 192000;
467 	else if (calc_rate > 152200)
468 		rate = 176400;
469 	else if (calc_rate > 112000)
470 		rate = 128000;
471 	else if (calc_rate > 92100)
472 		rate = 96000;
473 	else if (calc_rate > 76100)
474 		rate = 88200;
475 	else if (calc_rate > 56000)
476 		rate = 64000;
477 	else if (calc_rate > 46050)
478 		rate = 48000;
479 	else if (calc_rate > 38050)
480 		rate = 44100;
481 	else if (calc_rate > 28000)
482 		rate = 32000;
483 	else if (calc_rate > 23025)
484 		rate = 24000;
485 	else if (calc_rate > 19025)
486 		rate = 22050;
487 	else if (calc_rate > 14000)
488 		rate = 16000;
489 	else if (calc_rate > 11512)
490 		rate = 12000;
491 	else if (calc_rate > 9512)
492 		rate = 11025;
493 	else if (calc_rate > 7000)
494 		rate = 8000;
495 	else
496 		rate = 0;
497 
498 	snd_printdd("External clock is at %d Hz (measured %d Hz)\n",
499 		    rate, calc_rate);
500 	*sample_rate = rate;
501 	return 0;
502 }
503 
504 
505 int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value)
506 {
507 	if (is_gpi) {
508 		unsigned char reg = PCXHR_INPB(mgr, PCXHR_XLX_STATUS);
509 		*value = (int)(reg & PCXHR_STAT_GPI_MASK) >>
510 			      PCXHR_STAT_GPI_OFFSET;
511 	} else {
512 		*value = (int)(mgr->dsp_reset & PCXHR_DSP_RESET_GPO_MASK) >>
513 			 PCXHR_DSP_RESET_GPO_OFFSET;
514 	}
515 	return 0;
516 }
517 
518 
519 int hr222_write_gpo(struct pcxhr_mgr *mgr, int value)
520 {
521 	unsigned char reg = mgr->dsp_reset & ~PCXHR_DSP_RESET_GPO_MASK;
522 
523 	reg |= (unsigned char)(value << PCXHR_DSP_RESET_GPO_OFFSET) &
524 	       PCXHR_DSP_RESET_GPO_MASK;
525 
526 	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, reg);
527 	mgr->dsp_reset = reg;
528 	return 0;
529 }
530 
531 int hr222_manage_timecode(struct pcxhr_mgr *mgr, int enable)
532 {
533 	if (enable)
534 		mgr->dsp_reset |= PCXHR_DSP_RESET_SMPTE;
535 	else
536 		mgr->dsp_reset &= ~PCXHR_DSP_RESET_SMPTE;
537 
538 	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, mgr->dsp_reset);
539 	return 0;
540 }
541 
542 int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
543 				    int is_capture, int channel)
544 {
545 	snd_printdd("hr222_update_analog_audio_level(%s chan=%d)\n",
546 		    is_capture ? "capture" : "playback", channel);
547 	if (is_capture) {
548 		int level_l, level_r, level_mic;
549 		/* we have to update all levels */
550 		if (chip->analog_capture_active) {
551 			level_l = chip->analog_capture_volume[0];
552 			level_r = chip->analog_capture_volume[1];
553 		} else {
554 			level_l = HR222_LINE_CAPTURE_LEVEL_MIN;
555 			level_r = HR222_LINE_CAPTURE_LEVEL_MIN;
556 		}
557 		if (chip->mic_active)
558 			level_mic = chip->mic_volume;
559 		else
560 			level_mic = HR222_MICRO_CAPTURE_LEVEL_MIN;
561 		return hr222_set_hw_capture_level(chip->mgr,
562 						 level_l, level_r, level_mic);
563 	} else {
564 		int vol;
565 		if (chip->analog_playback_active[channel])
566 			vol = chip->analog_playback_volume[channel];
567 		else
568 			vol = HR222_LINE_PLAYBACK_LEVEL_MIN;
569 		return hr222_set_hw_playback_level(chip->mgr, channel, vol);
570 	}
571 }
572 
573 
574 /*texts[5] = {"Line", "Digital", "Digi+SRC", "Mic", "Line+Mic"}*/
575 #define SOURCE_LINE	0
576 #define SOURCE_DIGITAL	1
577 #define SOURCE_DIGISRC	2
578 #define SOURCE_MIC	3
579 #define SOURCE_LINEMIC	4
580 
581 int hr222_set_audio_source(struct snd_pcxhr *chip)
582 {
583 	int digital = 0;
584 	/* default analog source */
585 	chip->mgr->xlx_cfg &= ~(PCXHR_CFG_SRC_MASK |
586 				PCXHR_CFG_DATAIN_SEL_MASK |
587 				PCXHR_CFG_DATA_UER1_SEL_MASK);
588 
589 	if (chip->audio_capture_source == SOURCE_DIGISRC) {
590 		chip->mgr->xlx_cfg |= PCXHR_CFG_SRC_MASK;
591 		digital = 1;
592 	} else {
593 		if (chip->audio_capture_source == SOURCE_DIGITAL)
594 			digital = 1;
595 	}
596 	if (digital) {
597 		chip->mgr->xlx_cfg |=  PCXHR_CFG_DATAIN_SEL_MASK;
598 		if (chip->mgr->board_has_aes1) {
599 			/* get data from the AES1 plug */
600 			chip->mgr->xlx_cfg |= PCXHR_CFG_DATA_UER1_SEL_MASK;
601 		}
602 		/* chip->mic_active = 0; */
603 		/* chip->analog_capture_active = 0; */
604 	} else {
605 		int update_lvl = 0;
606 		chip->analog_capture_active = 0;
607 		chip->mic_active = 0;
608 		if (chip->audio_capture_source == SOURCE_LINE ||
609 		    chip->audio_capture_source == SOURCE_LINEMIC) {
610 			if (chip->analog_capture_active == 0)
611 				update_lvl = 1;
612 			chip->analog_capture_active = 1;
613 		}
614 		if (chip->audio_capture_source == SOURCE_MIC ||
615 		    chip->audio_capture_source == SOURCE_LINEMIC) {
616 			if (chip->mic_active == 0)
617 				update_lvl = 1;
618 			chip->mic_active = 1;
619 		}
620 		if (update_lvl) {
621 			/* capture: update all 3 mutes/unmutes with one call */
622 			hr222_update_analog_audio_level(chip, 1, 0);
623 		}
624 	}
625 	/* set the source infos (max 3 bits modified) */
626 	PCXHR_OUTPB(chip->mgr, PCXHR_XLX_CFG, chip->mgr->xlx_cfg);
627 	return 0;
628 }
629 
630 
631 int hr222_iec958_capture_byte(struct snd_pcxhr *chip,
632 			     int aes_idx, unsigned char *aes_bits)
633 {
634 	unsigned char idx = (unsigned char)(aes_idx * 8);
635 	unsigned char temp = 0;
636 	unsigned char mask = chip->mgr->board_has_aes1 ?
637 		PCXHR_SUER1_BIT_C_READ_MASK : PCXHR_SUER_BIT_C_READ_MASK;
638 	int i;
639 	for (i = 0; i < 8; i++) {
640 		PCXHR_OUTPB(chip->mgr, PCXHR_XLX_RUER, idx++); /* idx < 192 */
641 		temp <<= 1;
642 		if (PCXHR_INPB(chip->mgr, PCXHR_XLX_CSUER) & mask)
643 			temp |= 1;
644 	}
645 	snd_printdd("read iec958 AES %d byte %d = 0x%x\n",
646 		    chip->chip_idx, aes_idx, temp);
647 	*aes_bits = temp;
648 	return 0;
649 }
650 
651 
652 int hr222_iec958_update_byte(struct snd_pcxhr *chip,
653 			     int aes_idx, unsigned char aes_bits)
654 {
655 	int i;
656 	unsigned char new_bits = aes_bits;
657 	unsigned char old_bits = chip->aes_bits[aes_idx];
658 	unsigned char idx = (unsigned char)(aes_idx * 8);
659 	for (i = 0; i < 8; i++) {
660 		if ((old_bits & 0x01) != (new_bits & 0x01)) {
661 			/* idx < 192 */
662 			PCXHR_OUTPB(chip->mgr, PCXHR_XLX_RUER, idx);
663 			/* write C and U bit */
664 			PCXHR_OUTPB(chip->mgr, PCXHR_XLX_CSUER, new_bits&0x01 ?
665 				    PCXHR_SUER_BIT_C_WRITE_MASK : 0);
666 		}
667 		idx++;
668 		old_bits >>= 1;
669 		new_bits >>= 1;
670 	}
671 	chip->aes_bits[aes_idx] = aes_bits;
672 	return 0;
673 }
674 
675 static void hr222_micro_boost(struct pcxhr_mgr *mgr, int level)
676 {
677 	unsigned char boost_mask;
678 	boost_mask = (unsigned char) (level << PCXHR_SELMIC_PREAMPLI_OFFSET);
679 	if (boost_mask & (~PCXHR_SELMIC_PREAMPLI_MASK))
680 		return; /* only values form 0 to 3 accepted */
681 
682 	mgr->xlx_selmic &= ~PCXHR_SELMIC_PREAMPLI_MASK;
683 	mgr->xlx_selmic |= boost_mask;
684 
685 	PCXHR_OUTPB(mgr, PCXHR_XLX_SELMIC, mgr->xlx_selmic);
686 
687 	snd_printdd("hr222_micro_boost : set %x\n", boost_mask);
688 }
689 
690 static void hr222_phantom_power(struct pcxhr_mgr *mgr, int power)
691 {
692 	if (power)
693 		mgr->xlx_selmic |= PCXHR_SELMIC_PHANTOM_ALIM;
694 	else
695 		mgr->xlx_selmic &= ~PCXHR_SELMIC_PHANTOM_ALIM;
696 
697 	PCXHR_OUTPB(mgr, PCXHR_XLX_SELMIC, mgr->xlx_selmic);
698 
699 	snd_printdd("hr222_phantom_power : set %d\n", power);
700 }
701 
702 
703 /* mic level */
704 static const DECLARE_TLV_DB_SCALE(db_scale_mic_hr222, -9850, 50, 650);
705 
706 static int hr222_mic_vol_info(struct snd_kcontrol *kcontrol,
707 			      struct snd_ctl_elem_info *uinfo)
708 {
709 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
710 	uinfo->count = 1;
711 	uinfo->value.integer.min = HR222_MICRO_CAPTURE_LEVEL_MIN; /* -98 dB */
712 	/* gains from 9 dB to 31.5 dB not recommended; use micboost instead */
713 	uinfo->value.integer.max = HR222_MICRO_CAPTURE_LEVEL_MAX; /*  +7 dB */
714 	return 0;
715 }
716 
717 static int hr222_mic_vol_get(struct snd_kcontrol *kcontrol,
718 			     struct snd_ctl_elem_value *ucontrol)
719 {
720 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
721 	mutex_lock(&chip->mgr->mixer_mutex);
722 	ucontrol->value.integer.value[0] = chip->mic_volume;
723 	mutex_unlock(&chip->mgr->mixer_mutex);
724 	return 0;
725 }
726 
727 static int hr222_mic_vol_put(struct snd_kcontrol *kcontrol,
728 			     struct snd_ctl_elem_value *ucontrol)
729 {
730 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
731 	int changed = 0;
732 	mutex_lock(&chip->mgr->mixer_mutex);
733 	if (chip->mic_volume != ucontrol->value.integer.value[0]) {
734 		changed = 1;
735 		chip->mic_volume = ucontrol->value.integer.value[0];
736 		hr222_update_analog_audio_level(chip, 1, 0);
737 	}
738 	mutex_unlock(&chip->mgr->mixer_mutex);
739 	return changed;
740 }
741 
742 static struct snd_kcontrol_new hr222_control_mic_level = {
743 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
744 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
745 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
746 	.name =		"Mic Capture Volume",
747 	.info =		hr222_mic_vol_info,
748 	.get =		hr222_mic_vol_get,
749 	.put =		hr222_mic_vol_put,
750 	.tlv = { .p = db_scale_mic_hr222 },
751 };
752 
753 
754 /* mic boost level */
755 static const DECLARE_TLV_DB_SCALE(db_scale_micboost_hr222, 0, 1800, 5400);
756 
757 static int hr222_mic_boost_info(struct snd_kcontrol *kcontrol,
758 				struct snd_ctl_elem_info *uinfo)
759 {
760 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
761 	uinfo->count = 1;
762 	uinfo->value.integer.min = 0;	/*  0 dB */
763 	uinfo->value.integer.max = 3;	/* 54 dB */
764 	return 0;
765 }
766 
767 static int hr222_mic_boost_get(struct snd_kcontrol *kcontrol,
768 			       struct snd_ctl_elem_value *ucontrol)
769 {
770 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
771 	mutex_lock(&chip->mgr->mixer_mutex);
772 	ucontrol->value.integer.value[0] = chip->mic_boost;
773 	mutex_unlock(&chip->mgr->mixer_mutex);
774 	return 0;
775 }
776 
777 static int hr222_mic_boost_put(struct snd_kcontrol *kcontrol,
778 			       struct snd_ctl_elem_value *ucontrol)
779 {
780 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
781 	int changed = 0;
782 	mutex_lock(&chip->mgr->mixer_mutex);
783 	if (chip->mic_boost != ucontrol->value.integer.value[0]) {
784 		changed = 1;
785 		chip->mic_boost = ucontrol->value.integer.value[0];
786 		hr222_micro_boost(chip->mgr, chip->mic_boost);
787 	}
788 	mutex_unlock(&chip->mgr->mixer_mutex);
789 	return changed;
790 }
791 
792 static struct snd_kcontrol_new hr222_control_mic_boost = {
793 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
794 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
795 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
796 	.name =		"MicBoost Capture Volume",
797 	.info =		hr222_mic_boost_info,
798 	.get =		hr222_mic_boost_get,
799 	.put =		hr222_mic_boost_put,
800 	.tlv = { .p = db_scale_micboost_hr222 },
801 };
802 
803 
804 /******************* Phantom power switch *******************/
805 #define hr222_phantom_power_info	snd_ctl_boolean_mono_info
806 
807 static int hr222_phantom_power_get(struct snd_kcontrol *kcontrol,
808 				   struct snd_ctl_elem_value *ucontrol)
809 {
810 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
811 	mutex_lock(&chip->mgr->mixer_mutex);
812 	ucontrol->value.integer.value[0] = chip->phantom_power;
813 	mutex_unlock(&chip->mgr->mixer_mutex);
814 	return 0;
815 }
816 
817 static int hr222_phantom_power_put(struct snd_kcontrol *kcontrol,
818 				   struct snd_ctl_elem_value *ucontrol)
819 {
820 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
821 	int power, changed = 0;
822 
823 	mutex_lock(&chip->mgr->mixer_mutex);
824 	power = !!ucontrol->value.integer.value[0];
825 	if (chip->phantom_power != power) {
826 		hr222_phantom_power(chip->mgr, power);
827 		chip->phantom_power = power;
828 		changed = 1;
829 	}
830 	mutex_unlock(&chip->mgr->mixer_mutex);
831 	return changed;
832 }
833 
834 static struct snd_kcontrol_new hr222_phantom_power_switch = {
835 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
836 	.name = "Phantom Power Switch",
837 	.info = hr222_phantom_power_info,
838 	.get = hr222_phantom_power_get,
839 	.put = hr222_phantom_power_put,
840 };
841 
842 
843 int hr222_add_mic_controls(struct snd_pcxhr *chip)
844 {
845 	int err;
846 	if (!chip->mgr->board_has_mic)
847 		return 0;
848 
849 	/* controls */
850 	err = snd_ctl_add(chip->card, snd_ctl_new1(&hr222_control_mic_level,
851 						   chip));
852 	if (err < 0)
853 		return err;
854 
855 	err = snd_ctl_add(chip->card, snd_ctl_new1(&hr222_control_mic_boost,
856 						   chip));
857 	if (err < 0)
858 		return err;
859 
860 	err = snd_ctl_add(chip->card, snd_ctl_new1(&hr222_phantom_power_switch,
861 						   chip));
862 	return err;
863 }
864