xref: /openbmc/linux/sound/pci/pcxhr/pcxhr_mix22.c (revision eb3fcf00)
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 <linux/pci.h>
26 #include <sound/core.h>
27 #include <sound/control.h>
28 #include <sound/tlv.h>
29 #include <sound/asoundef.h>
30 #include "pcxhr.h"
31 #include "pcxhr_core.h"
32 #include "pcxhr_mix22.h"
33 
34 
35 /* registers used on the DSP and Xilinx (port 2) : HR stereo cards only */
36 #define PCXHR_DSP_RESET		0x20
37 #define PCXHR_XLX_CFG		0x24
38 #define PCXHR_XLX_RUER		0x28
39 #define PCXHR_XLX_DATA		0x2C
40 #define PCXHR_XLX_STATUS	0x30
41 #define PCXHR_XLX_LOFREQ	0x34
42 #define PCXHR_XLX_HIFREQ	0x38
43 #define PCXHR_XLX_CSUER		0x3C
44 #define PCXHR_XLX_SELMIC	0x40
45 
46 #define PCXHR_DSP 2
47 
48 /* byte access only ! */
49 #define PCXHR_INPB(mgr, x)	inb((mgr)->port[PCXHR_DSP] + (x))
50 #define PCXHR_OUTPB(mgr, x, data) outb((data), (mgr)->port[PCXHR_DSP] + (x))
51 
52 
53 /* values for PCHR_DSP_RESET register */
54 #define PCXHR_DSP_RESET_DSP	0x01
55 #define PCXHR_DSP_RESET_MUTE	0x02
56 #define PCXHR_DSP_RESET_CODEC	0x08
57 #define PCXHR_DSP_RESET_SMPTE	0x10
58 #define PCXHR_DSP_RESET_GPO_OFFSET	5
59 #define PCXHR_DSP_RESET_GPO_MASK	0x60
60 
61 /* values for PCHR_XLX_CFG register */
62 #define PCXHR_CFG_SYNCDSP_MASK		0x80
63 #define PCXHR_CFG_DEPENDENCY_MASK	0x60
64 #define PCXHR_CFG_INDEPENDANT_SEL	0x00
65 #define PCXHR_CFG_MASTER_SEL		0x40
66 #define PCXHR_CFG_SLAVE_SEL		0x20
67 #define PCXHR_CFG_DATA_UER1_SEL_MASK	0x10	/* 0 (UER0), 1(UER1) */
68 #define PCXHR_CFG_DATAIN_SEL_MASK	0x08	/* 0 (ana), 1 (UER) */
69 #define PCXHR_CFG_SRC_MASK		0x04	/* 0 (Bypass), 1 (SRC Actif) */
70 #define PCXHR_CFG_CLOCK_UER1_SEL_MASK	0x02	/* 0 (UER0), 1(UER1) */
71 #define PCXHR_CFG_CLOCKIN_SEL_MASK	0x01	/* 0 (internal), 1 (AES/EBU) */
72 
73 /* values for PCHR_XLX_DATA register */
74 #define PCXHR_DATA_CODEC	0x80
75 #define AKM_POWER_CONTROL_CMD	0xA007
76 #define AKM_RESET_ON_CMD	0xA100
77 #define AKM_RESET_OFF_CMD	0xA103
78 #define AKM_CLOCK_INF_55K_CMD	0xA240
79 #define AKM_CLOCK_SUP_55K_CMD	0xA24D
80 #define AKM_MUTE_CMD		0xA38D
81 #define AKM_UNMUTE_CMD		0xA30D
82 #define AKM_LEFT_LEVEL_CMD	0xA600
83 #define AKM_RIGHT_LEVEL_CMD	0xA700
84 
85 /* values for PCHR_XLX_STATUS register - READ */
86 #define PCXHR_STAT_SRC_LOCK		0x01
87 #define PCXHR_STAT_LEVEL_IN		0x02
88 #define PCXHR_STAT_GPI_OFFSET		2
89 #define PCXHR_STAT_GPI_MASK		0x0C
90 #define PCXHR_STAT_MIC_CAPS		0x10
91 /* values for PCHR_XLX_STATUS register - WRITE */
92 #define PCXHR_STAT_FREQ_SYNC_MASK	0x01
93 #define PCXHR_STAT_FREQ_UER1_MASK	0x02
94 #define PCXHR_STAT_FREQ_SAVE_MASK	0x80
95 
96 /* values for PCHR_XLX_CSUER register */
97 #define PCXHR_SUER1_BIT_U_READ_MASK	0x80
98 #define PCXHR_SUER1_BIT_C_READ_MASK	0x40
99 #define PCXHR_SUER1_DATA_PRESENT_MASK	0x20
100 #define PCXHR_SUER1_CLOCK_PRESENT_MASK	0x10
101 #define PCXHR_SUER_BIT_U_READ_MASK	0x08
102 #define PCXHR_SUER_BIT_C_READ_MASK	0x04
103 #define PCXHR_SUER_DATA_PRESENT_MASK	0x02
104 #define PCXHR_SUER_CLOCK_PRESENT_MASK	0x01
105 
106 #define PCXHR_SUER_BIT_U_WRITE_MASK	0x02
107 #define PCXHR_SUER_BIT_C_WRITE_MASK	0x01
108 
109 /* values for PCXHR_XLX_SELMIC register - WRITE */
110 #define PCXHR_SELMIC_PREAMPLI_OFFSET	2
111 #define PCXHR_SELMIC_PREAMPLI_MASK	0x0C
112 #define PCXHR_SELMIC_PHANTOM_ALIM	0x80
113 
114 
115 static const unsigned char g_hr222_p_level[] = {
116     0x00,   /* [000] -49.5 dB:	AKM[000] = -1.#INF dB	(mute) */
117     0x01,   /* [001] -49.0 dB:	AKM[001] = -48.131 dB	(diff=0.86920 dB) */
118     0x01,   /* [002] -48.5 dB:	AKM[001] = -48.131 dB	(diff=0.36920 dB) */
119     0x01,   /* [003] -48.0 dB:	AKM[001] = -48.131 dB	(diff=0.13080 dB) */
120     0x01,   /* [004] -47.5 dB:	AKM[001] = -48.131 dB	(diff=0.63080 dB) */
121     0x01,   /* [005] -46.5 dB:	AKM[001] = -48.131 dB	(diff=1.63080 dB) */
122     0x01,   /* [006] -47.0 dB:	AKM[001] = -48.131 dB	(diff=1.13080 dB) */
123     0x01,   /* [007] -46.0 dB:	AKM[001] = -48.131 dB	(diff=2.13080 dB) */
124     0x01,   /* [008] -45.5 dB:	AKM[001] = -48.131 dB	(diff=2.63080 dB) */
125     0x02,   /* [009] -45.0 dB:	AKM[002] = -42.110 dB	(diff=2.88980 dB) */
126     0x02,   /* [010] -44.5 dB:	AKM[002] = -42.110 dB	(diff=2.38980 dB) */
127     0x02,   /* [011] -44.0 dB:	AKM[002] = -42.110 dB	(diff=1.88980 dB) */
128     0x02,   /* [012] -43.5 dB:	AKM[002] = -42.110 dB	(diff=1.38980 dB) */
129     0x02,   /* [013] -43.0 dB:	AKM[002] = -42.110 dB	(diff=0.88980 dB) */
130     0x02,   /* [014] -42.5 dB:	AKM[002] = -42.110 dB	(diff=0.38980 dB) */
131     0x02,   /* [015] -42.0 dB:	AKM[002] = -42.110 dB	(diff=0.11020 dB) */
132     0x02,   /* [016] -41.5 dB:	AKM[002] = -42.110 dB	(diff=0.61020 dB) */
133     0x02,   /* [017] -41.0 dB:	AKM[002] = -42.110 dB	(diff=1.11020 dB) */
134     0x02,   /* [018] -40.5 dB:	AKM[002] = -42.110 dB	(diff=1.61020 dB) */
135     0x03,   /* [019] -40.0 dB:	AKM[003] = -38.588 dB	(diff=1.41162 dB) */
136     0x03,   /* [020] -39.5 dB:	AKM[003] = -38.588 dB	(diff=0.91162 dB) */
137     0x03,   /* [021] -39.0 dB:	AKM[003] = -38.588 dB	(diff=0.41162 dB) */
138     0x03,   /* [022] -38.5 dB:	AKM[003] = -38.588 dB	(diff=0.08838 dB) */
139     0x03,   /* [023] -38.0 dB:	AKM[003] = -38.588 dB	(diff=0.58838 dB) */
140     0x03,   /* [024] -37.5 dB:	AKM[003] = -38.588 dB	(diff=1.08838 dB) */
141     0x04,   /* [025] -37.0 dB:	AKM[004] = -36.090 dB	(diff=0.91040 dB) */
142     0x04,   /* [026] -36.5 dB:	AKM[004] = -36.090 dB	(diff=0.41040 dB) */
143     0x04,   /* [027] -36.0 dB:	AKM[004] = -36.090 dB	(diff=0.08960 dB) */
144     0x04,   /* [028] -35.5 dB:	AKM[004] = -36.090 dB	(diff=0.58960 dB) */
145     0x05,   /* [029] -35.0 dB:	AKM[005] = -34.151 dB	(diff=0.84860 dB) */
146     0x05,   /* [030] -34.5 dB:	AKM[005] = -34.151 dB	(diff=0.34860 dB) */
147     0x05,   /* [031] -34.0 dB:	AKM[005] = -34.151 dB	(diff=0.15140 dB) */
148     0x05,   /* [032] -33.5 dB:	AKM[005] = -34.151 dB	(diff=0.65140 dB) */
149     0x06,   /* [033] -33.0 dB:	AKM[006] = -32.568 dB	(diff=0.43222 dB) */
150     0x06,   /* [034] -32.5 dB:	AKM[006] = -32.568 dB	(diff=0.06778 dB) */
151     0x06,   /* [035] -32.0 dB:	AKM[006] = -32.568 dB	(diff=0.56778 dB) */
152     0x07,   /* [036] -31.5 dB:	AKM[007] = -31.229 dB	(diff=0.27116 dB) */
153     0x07,   /* [037] -31.0 dB:	AKM[007] = -31.229 dB	(diff=0.22884 dB) */
154     0x08,   /* [038] -30.5 dB:	AKM[008] = -30.069 dB	(diff=0.43100 dB) */
155     0x08,   /* [039] -30.0 dB:	AKM[008] = -30.069 dB	(diff=0.06900 dB) */
156     0x09,   /* [040] -29.5 dB:	AKM[009] = -29.046 dB	(diff=0.45405 dB) */
157     0x09,   /* [041] -29.0 dB:	AKM[009] = -29.046 dB	(diff=0.04595 dB) */
158     0x0a,   /* [042] -28.5 dB:	AKM[010] = -28.131 dB	(diff=0.36920 dB) */
159     0x0a,   /* [043] -28.0 dB:	AKM[010] = -28.131 dB	(diff=0.13080 dB) */
160     0x0b,   /* [044] -27.5 dB:	AKM[011] = -27.303 dB	(diff=0.19705 dB) */
161     0x0b,   /* [045] -27.0 dB:	AKM[011] = -27.303 dB	(diff=0.30295 dB) */
162     0x0c,   /* [046] -26.5 dB:	AKM[012] = -26.547 dB	(diff=0.04718 dB) */
163     0x0d,   /* [047] -26.0 dB:	AKM[013] = -25.852 dB	(diff=0.14806 dB) */
164     0x0e,   /* [048] -25.5 dB:	AKM[014] = -25.208 dB	(diff=0.29176 dB) */
165     0x0e,   /* [049] -25.0 dB:	AKM[014] = -25.208 dB	(diff=0.20824 dB) */
166     0x0f,   /* [050] -24.5 dB:	AKM[015] = -24.609 dB	(diff=0.10898 dB) */
167     0x10,   /* [051] -24.0 dB:	AKM[016] = -24.048 dB	(diff=0.04840 dB) */
168     0x11,   /* [052] -23.5 dB:	AKM[017] = -23.522 dB	(diff=0.02183 dB) */
169     0x12,   /* [053] -23.0 dB:	AKM[018] = -23.025 dB	(diff=0.02535 dB) */
170     0x13,   /* [054] -22.5 dB:	AKM[019] = -22.556 dB	(diff=0.05573 dB) */
171     0x14,   /* [055] -22.0 dB:	AKM[020] = -22.110 dB	(diff=0.11020 dB) */
172     0x15,   /* [056] -21.5 dB:	AKM[021] = -21.686 dB	(diff=0.18642 dB) */
173     0x17,   /* [057] -21.0 dB:	AKM[023] = -20.896 dB	(diff=0.10375 dB) */
174     0x18,   /* [058] -20.5 dB:	AKM[024] = -20.527 dB	(diff=0.02658 dB) */
175     0x1a,   /* [059] -20.0 dB:	AKM[026] = -19.831 dB	(diff=0.16866 dB) */
176     0x1b,   /* [060] -19.5 dB:	AKM[027] = -19.504 dB	(diff=0.00353 dB) */
177     0x1d,   /* [061] -19.0 dB:	AKM[029] = -18.883 dB	(diff=0.11716 dB) */
178     0x1e,   /* [062] -18.5 dB:	AKM[030] = -18.588 dB	(diff=0.08838 dB) */
179     0x20,   /* [063] -18.0 dB:	AKM[032] = -18.028 dB	(diff=0.02780 dB) */
180     0x22,   /* [064] -17.5 dB:	AKM[034] = -17.501 dB	(diff=0.00123 dB) */
181     0x24,   /* [065] -17.0 dB:	AKM[036] = -17.005 dB	(diff=0.00475 dB) */
182     0x26,   /* [066] -16.5 dB:	AKM[038] = -16.535 dB	(diff=0.03513 dB) */
183     0x28,   /* [067] -16.0 dB:	AKM[040] = -16.090 dB	(diff=0.08960 dB) */
184     0x2b,   /* [068] -15.5 dB:	AKM[043] = -15.461 dB	(diff=0.03857 dB) */
185     0x2d,   /* [069] -15.0 dB:	AKM[045] = -15.067 dB	(diff=0.06655 dB) */
186     0x30,   /* [070] -14.5 dB:	AKM[048] = -14.506 dB	(diff=0.00598 dB) */
187     0x33,   /* [071] -14.0 dB:	AKM[051] = -13.979 dB	(diff=0.02060 dB) */
188     0x36,   /* [072] -13.5 dB:	AKM[054] = -13.483 dB	(diff=0.01707 dB) */
189     0x39,   /* [073] -13.0 dB:	AKM[057] = -13.013 dB	(diff=0.01331 dB) */
190     0x3c,   /* [074] -12.5 dB:	AKM[060] = -12.568 dB	(diff=0.06778 dB) */
191     0x40,   /* [075] -12.0 dB:	AKM[064] = -12.007 dB	(diff=0.00720 dB) */
192     0x44,   /* [076] -11.5 dB:	AKM[068] = -11.481 dB	(diff=0.01937 dB) */
193     0x48,   /* [077] -11.0 dB:	AKM[072] = -10.984 dB	(diff=0.01585 dB) */
194     0x4c,   /* [078] -10.5 dB:	AKM[076] = -10.515 dB	(diff=0.01453 dB) */
195     0x51,   /* [079] -10.0 dB:	AKM[081] = -9.961 dB	(diff=0.03890 dB) */
196     0x55,   /* [080] -9.5 dB:	AKM[085] = -9.542 dB	(diff=0.04243 dB) */
197     0x5a,   /* [081] -9.0 dB:	AKM[090] = -9.046 dB	(diff=0.04595 dB) */
198     0x60,   /* [082] -8.5 dB:	AKM[096] = -8.485 dB	(diff=0.01462 dB) */
199     0x66,   /* [083] -8.0 dB:	AKM[102] = -7.959 dB	(diff=0.04120 dB) */
200     0x6c,   /* [084] -7.5 dB:	AKM[108] = -7.462 dB	(diff=0.03767 dB) */
201     0x72,   /* [085] -7.0 dB:	AKM[114] = -6.993 dB	(diff=0.00729 dB) */
202     0x79,   /* [086] -6.5 dB:	AKM[121] = -6.475 dB	(diff=0.02490 dB) */
203     0x80,   /* [087] -6.0 dB:	AKM[128] = -5.987 dB	(diff=0.01340 dB) */
204     0x87,   /* [088] -5.5 dB:	AKM[135] = -5.524 dB	(diff=0.02413 dB) */
205     0x8f,   /* [089] -5.0 dB:	AKM[143] = -5.024 dB	(diff=0.02408 dB) */
206     0x98,   /* [090] -4.5 dB:	AKM[152] = -4.494 dB	(diff=0.00607 dB) */
207     0xa1,   /* [091] -4.0 dB:	AKM[161] = -3.994 dB	(diff=0.00571 dB) */
208     0xaa,   /* [092] -3.5 dB:	AKM[170] = -3.522 dB	(diff=0.02183 dB) */
209     0xb5,   /* [093] -3.0 dB:	AKM[181] = -2.977 dB	(diff=0.02277 dB) */
210     0xbf,   /* [094] -2.5 dB:	AKM[191] = -2.510 dB	(diff=0.01014 dB) */
211     0xcb,   /* [095] -2.0 dB:	AKM[203] = -1.981 dB	(diff=0.01912 dB) */
212     0xd7,   /* [096] -1.5 dB:	AKM[215] = -1.482 dB	(diff=0.01797 dB) */
213     0xe3,   /* [097] -1.0 dB:	AKM[227] = -1.010 dB	(diff=0.01029 dB) */
214     0xf1,   /* [098] -0.5 dB:	AKM[241] = -0.490 dB	(diff=0.00954 dB) */
215     0xff,   /* [099] +0.0 dB:	AKM[255] = +0.000 dB	(diff=0.00000 dB) */
216 };
217 
218 
219 static void hr222_config_akm(struct pcxhr_mgr *mgr, unsigned short data)
220 {
221 	unsigned short mask = 0x8000;
222 	/* activate access to codec registers */
223 	PCXHR_INPB(mgr, PCXHR_XLX_HIFREQ);
224 
225 	while (mask) {
226 		PCXHR_OUTPB(mgr, PCXHR_XLX_DATA,
227 			    data & mask ? PCXHR_DATA_CODEC : 0);
228 		mask >>= 1;
229 	}
230 	/* termiate access to codec registers */
231 	PCXHR_INPB(mgr, PCXHR_XLX_RUER);
232 }
233 
234 
235 static int hr222_set_hw_playback_level(struct pcxhr_mgr *mgr,
236 				       int idx, int level)
237 {
238 	unsigned short cmd;
239 	if (idx > 1 ||
240 	    level < 0 ||
241 	    level >= ARRAY_SIZE(g_hr222_p_level))
242 		return -EINVAL;
243 
244 	if (idx == 0)
245 		cmd = AKM_LEFT_LEVEL_CMD;
246 	else
247 		cmd = AKM_RIGHT_LEVEL_CMD;
248 
249 	/* conversion from PmBoardCodedLevel to AKM nonlinear programming */
250 	cmd += g_hr222_p_level[level];
251 
252 	hr222_config_akm(mgr, cmd);
253 	return 0;
254 }
255 
256 
257 static int hr222_set_hw_capture_level(struct pcxhr_mgr *mgr,
258 				      int level_l, int level_r, int level_mic)
259 {
260 	/* program all input levels at the same time */
261 	unsigned int data;
262 	int i;
263 
264 	if (!mgr->capture_chips)
265 		return -EINVAL;	/* no PCX22 */
266 
267 	data  = ((level_mic & 0xff) << 24);	/* micro is mono, but apply */
268 	data |= ((level_mic & 0xff) << 16);	/* level on both channels */
269 	data |= ((level_r & 0xff) << 8);	/* line input right channel */
270 	data |= (level_l & 0xff);		/* line input left channel */
271 
272 	PCXHR_INPB(mgr, PCXHR_XLX_DATA);	/* activate input codec */
273 	/* send 32 bits (4 x 8 bits) */
274 	for (i = 0; i < 32; i++, data <<= 1) {
275 		PCXHR_OUTPB(mgr, PCXHR_XLX_DATA,
276 			    (data & 0x80000000) ? PCXHR_DATA_CODEC : 0);
277 	}
278 	PCXHR_INPB(mgr, PCXHR_XLX_RUER);	/* close input level codec */
279 	return 0;
280 }
281 
282 static void hr222_micro_boost(struct pcxhr_mgr *mgr, int level);
283 
284 int hr222_sub_init(struct pcxhr_mgr *mgr)
285 {
286 	unsigned char reg;
287 
288 	mgr->board_has_analog = 1;	/* analog always available */
289 	mgr->xlx_cfg = PCXHR_CFG_SYNCDSP_MASK;
290 
291 	reg = PCXHR_INPB(mgr, PCXHR_XLX_STATUS);
292 	if (reg & PCXHR_STAT_MIC_CAPS)
293 		mgr->board_has_mic = 1;	/* microphone available */
294 	dev_dbg(&mgr->pci->dev,
295 		"MIC input available = %d\n", mgr->board_has_mic);
296 
297 	/* reset codec */
298 	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET,
299 		    PCXHR_DSP_RESET_DSP);
300 	msleep(5);
301 	mgr->dsp_reset = PCXHR_DSP_RESET_DSP  |
302 			 PCXHR_DSP_RESET_MUTE |
303 			 PCXHR_DSP_RESET_CODEC;
304 	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, mgr->dsp_reset);
305 	/* hr222_write_gpo(mgr, 0); does the same */
306 	msleep(5);
307 
308 	/* config AKM */
309 	hr222_config_akm(mgr, AKM_POWER_CONTROL_CMD);
310 	hr222_config_akm(mgr, AKM_CLOCK_INF_55K_CMD);
311 	hr222_config_akm(mgr, AKM_UNMUTE_CMD);
312 	hr222_config_akm(mgr, AKM_RESET_OFF_CMD);
313 
314 	/* init micro boost */
315 	hr222_micro_boost(mgr, 0);
316 
317 	return 0;
318 }
319 
320 
321 /* calc PLL register */
322 /* TODO : there is a very similar fct in pcxhr.c */
323 static int hr222_pll_freq_register(unsigned int freq,
324 				   unsigned int *pllreg,
325 				   unsigned int *realfreq)
326 {
327 	unsigned int reg;
328 
329 	if (freq < 6900 || freq > 219000)
330 		return -EINVAL;
331 	reg = (28224000 * 2) / freq;
332 	reg = (reg - 1) / 2;
333 	if (reg < 0x100)
334 		*pllreg = reg + 0xC00;
335 	else if (reg < 0x200)
336 		*pllreg = reg + 0x800;
337 	else if (reg < 0x400)
338 		*pllreg = reg & 0x1ff;
339 	else if (reg < 0x800) {
340 		*pllreg = ((reg >> 1) & 0x1ff) + 0x200;
341 		reg &= ~1;
342 	} else {
343 		*pllreg = ((reg >> 2) & 0x1ff) + 0x400;
344 		reg &= ~3;
345 	}
346 	if (realfreq)
347 		*realfreq = (28224000 / (reg + 1));
348 	return 0;
349 }
350 
351 int hr222_sub_set_clock(struct pcxhr_mgr *mgr,
352 			unsigned int rate,
353 			int *changed)
354 {
355 	unsigned int speed, pllreg = 0;
356 	int err;
357 	unsigned realfreq = rate;
358 
359 	switch (mgr->use_clock_type) {
360 	case HR22_CLOCK_TYPE_INTERNAL:
361 		err = hr222_pll_freq_register(rate, &pllreg, &realfreq);
362 		if (err)
363 			return err;
364 
365 		mgr->xlx_cfg &= ~(PCXHR_CFG_CLOCKIN_SEL_MASK |
366 				  PCXHR_CFG_CLOCK_UER1_SEL_MASK);
367 		break;
368 	case HR22_CLOCK_TYPE_AES_SYNC:
369 		mgr->xlx_cfg |= PCXHR_CFG_CLOCKIN_SEL_MASK;
370 		mgr->xlx_cfg &= ~PCXHR_CFG_CLOCK_UER1_SEL_MASK;
371 		break;
372 	case HR22_CLOCK_TYPE_AES_1:
373 		if (!mgr->board_has_aes1)
374 			return -EINVAL;
375 
376 		mgr->xlx_cfg |= (PCXHR_CFG_CLOCKIN_SEL_MASK |
377 				 PCXHR_CFG_CLOCK_UER1_SEL_MASK);
378 		break;
379 	default:
380 		return -EINVAL;
381 	}
382 	hr222_config_akm(mgr, AKM_MUTE_CMD);
383 
384 	if (mgr->use_clock_type == HR22_CLOCK_TYPE_INTERNAL) {
385 		PCXHR_OUTPB(mgr, PCXHR_XLX_HIFREQ, pllreg >> 8);
386 		PCXHR_OUTPB(mgr, PCXHR_XLX_LOFREQ, pllreg & 0xff);
387 	}
388 
389 	/* set clock source */
390 	PCXHR_OUTPB(mgr, PCXHR_XLX_CFG, mgr->xlx_cfg);
391 
392 	/* codec speed modes */
393 	speed = rate < 55000 ? 0 : 1;
394 	if (mgr->codec_speed != speed) {
395 		mgr->codec_speed = speed;
396 		if (speed == 0)
397 			hr222_config_akm(mgr, AKM_CLOCK_INF_55K_CMD);
398 		else
399 			hr222_config_akm(mgr, AKM_CLOCK_SUP_55K_CMD);
400 	}
401 
402 	mgr->sample_rate_real = realfreq;
403 	mgr->cur_clock_type = mgr->use_clock_type;
404 
405 	if (changed)
406 		*changed = 1;
407 
408 	hr222_config_akm(mgr, AKM_UNMUTE_CMD);
409 
410 	dev_dbg(&mgr->pci->dev, "set_clock to %dHz (realfreq=%d pllreg=%x)\n",
411 		    rate, realfreq, pllreg);
412 	return 0;
413 }
414 
415 int hr222_get_external_clock(struct pcxhr_mgr *mgr,
416 			     enum pcxhr_clock_type clock_type,
417 			     int *sample_rate)
418 {
419 	int rate, calc_rate = 0;
420 	unsigned int ticks;
421 	unsigned char mask, reg;
422 
423 	if (clock_type == HR22_CLOCK_TYPE_AES_SYNC) {
424 
425 		mask = (PCXHR_SUER_CLOCK_PRESENT_MASK |
426 			PCXHR_SUER_DATA_PRESENT_MASK);
427 		reg = PCXHR_STAT_FREQ_SYNC_MASK;
428 
429 	} else if (clock_type == HR22_CLOCK_TYPE_AES_1 && mgr->board_has_aes1) {
430 
431 		mask = (PCXHR_SUER1_CLOCK_PRESENT_MASK |
432 			PCXHR_SUER1_DATA_PRESENT_MASK);
433 		reg = PCXHR_STAT_FREQ_UER1_MASK;
434 
435 	} else {
436 		dev_dbg(&mgr->pci->dev,
437 			"get_external_clock : type %d not supported\n",
438 			    clock_type);
439 		return -EINVAL; /* other clocks not supported */
440 	}
441 
442 	if ((PCXHR_INPB(mgr, PCXHR_XLX_CSUER) & mask) != mask) {
443 		dev_dbg(&mgr->pci->dev,
444 			"get_external_clock(%d) = 0 Hz\n", clock_type);
445 		*sample_rate = 0;
446 		return 0; /* no external clock locked */
447 	}
448 
449 	PCXHR_OUTPB(mgr, PCXHR_XLX_STATUS, reg); /* calculate freq */
450 
451 	/* save the measured clock frequency */
452 	reg |= PCXHR_STAT_FREQ_SAVE_MASK;
453 
454 	if (mgr->last_reg_stat != reg) {
455 		udelay(500);	/* wait min 2 cycles of lowest freq (8000) */
456 		mgr->last_reg_stat = reg;
457 	}
458 
459 	PCXHR_OUTPB(mgr, PCXHR_XLX_STATUS, reg); /* save */
460 
461 	/* get the frequency */
462 	ticks = (unsigned int)PCXHR_INPB(mgr, PCXHR_XLX_CFG);
463 	ticks = (ticks & 0x03) << 8;
464 	ticks |= (unsigned int)PCXHR_INPB(mgr, PCXHR_DSP_RESET);
465 
466 	if (ticks != 0)
467 		calc_rate = 28224000 / ticks;
468 	/* rounding */
469 	if (calc_rate > 184200)
470 		rate = 192000;
471 	else if (calc_rate > 152200)
472 		rate = 176400;
473 	else if (calc_rate > 112000)
474 		rate = 128000;
475 	else if (calc_rate > 92100)
476 		rate = 96000;
477 	else if (calc_rate > 76100)
478 		rate = 88200;
479 	else if (calc_rate > 56000)
480 		rate = 64000;
481 	else if (calc_rate > 46050)
482 		rate = 48000;
483 	else if (calc_rate > 38050)
484 		rate = 44100;
485 	else if (calc_rate > 28000)
486 		rate = 32000;
487 	else if (calc_rate > 23025)
488 		rate = 24000;
489 	else if (calc_rate > 19025)
490 		rate = 22050;
491 	else if (calc_rate > 14000)
492 		rate = 16000;
493 	else if (calc_rate > 11512)
494 		rate = 12000;
495 	else if (calc_rate > 9512)
496 		rate = 11025;
497 	else if (calc_rate > 7000)
498 		rate = 8000;
499 	else
500 		rate = 0;
501 
502 	dev_dbg(&mgr->pci->dev, "External clock is at %d Hz (measured %d Hz)\n",
503 		    rate, calc_rate);
504 	*sample_rate = rate;
505 	return 0;
506 }
507 
508 
509 int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value)
510 {
511 	if (is_gpi) {
512 		unsigned char reg = PCXHR_INPB(mgr, PCXHR_XLX_STATUS);
513 		*value = (int)(reg & PCXHR_STAT_GPI_MASK) >>
514 			      PCXHR_STAT_GPI_OFFSET;
515 	} else {
516 		*value = (int)(mgr->dsp_reset & PCXHR_DSP_RESET_GPO_MASK) >>
517 			 PCXHR_DSP_RESET_GPO_OFFSET;
518 	}
519 	return 0;
520 }
521 
522 
523 int hr222_write_gpo(struct pcxhr_mgr *mgr, int value)
524 {
525 	unsigned char reg = mgr->dsp_reset & ~PCXHR_DSP_RESET_GPO_MASK;
526 
527 	reg |= (unsigned char)(value << PCXHR_DSP_RESET_GPO_OFFSET) &
528 	       PCXHR_DSP_RESET_GPO_MASK;
529 
530 	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, reg);
531 	mgr->dsp_reset = reg;
532 	return 0;
533 }
534 
535 int hr222_manage_timecode(struct pcxhr_mgr *mgr, int enable)
536 {
537 	if (enable)
538 		mgr->dsp_reset |= PCXHR_DSP_RESET_SMPTE;
539 	else
540 		mgr->dsp_reset &= ~PCXHR_DSP_RESET_SMPTE;
541 
542 	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, mgr->dsp_reset);
543 	return 0;
544 }
545 
546 int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
547 				    int is_capture, int channel)
548 {
549 	dev_dbg(chip->card->dev,
550 		"hr222_update_analog_audio_level(%s chan=%d)\n",
551 		    is_capture ? "capture" : "playback", channel);
552 	if (is_capture) {
553 		int level_l, level_r, level_mic;
554 		/* we have to update all levels */
555 		if (chip->analog_capture_active) {
556 			level_l = chip->analog_capture_volume[0];
557 			level_r = chip->analog_capture_volume[1];
558 		} else {
559 			level_l = HR222_LINE_CAPTURE_LEVEL_MIN;
560 			level_r = HR222_LINE_CAPTURE_LEVEL_MIN;
561 		}
562 		if (chip->mic_active)
563 			level_mic = chip->mic_volume;
564 		else
565 			level_mic = HR222_MICRO_CAPTURE_LEVEL_MIN;
566 		return hr222_set_hw_capture_level(chip->mgr,
567 						 level_l, level_r, level_mic);
568 	} else {
569 		int vol;
570 		if (chip->analog_playback_active[channel])
571 			vol = chip->analog_playback_volume[channel];
572 		else
573 			vol = HR222_LINE_PLAYBACK_LEVEL_MIN;
574 		return hr222_set_hw_playback_level(chip->mgr, channel, vol);
575 	}
576 }
577 
578 
579 /*texts[5] = {"Line", "Digital", "Digi+SRC", "Mic", "Line+Mic"}*/
580 #define SOURCE_LINE	0
581 #define SOURCE_DIGITAL	1
582 #define SOURCE_DIGISRC	2
583 #define SOURCE_MIC	3
584 #define SOURCE_LINEMIC	4
585 
586 int hr222_set_audio_source(struct snd_pcxhr *chip)
587 {
588 	int digital = 0;
589 	/* default analog source */
590 	chip->mgr->xlx_cfg &= ~(PCXHR_CFG_SRC_MASK |
591 				PCXHR_CFG_DATAIN_SEL_MASK |
592 				PCXHR_CFG_DATA_UER1_SEL_MASK);
593 
594 	if (chip->audio_capture_source == SOURCE_DIGISRC) {
595 		chip->mgr->xlx_cfg |= PCXHR_CFG_SRC_MASK;
596 		digital = 1;
597 	} else {
598 		if (chip->audio_capture_source == SOURCE_DIGITAL)
599 			digital = 1;
600 	}
601 	if (digital) {
602 		chip->mgr->xlx_cfg |=  PCXHR_CFG_DATAIN_SEL_MASK;
603 		if (chip->mgr->board_has_aes1) {
604 			/* get data from the AES1 plug */
605 			chip->mgr->xlx_cfg |= PCXHR_CFG_DATA_UER1_SEL_MASK;
606 		}
607 		/* chip->mic_active = 0; */
608 		/* chip->analog_capture_active = 0; */
609 	} else {
610 		int update_lvl = 0;
611 		chip->analog_capture_active = 0;
612 		chip->mic_active = 0;
613 		if (chip->audio_capture_source == SOURCE_LINE ||
614 		    chip->audio_capture_source == SOURCE_LINEMIC) {
615 			if (chip->analog_capture_active == 0)
616 				update_lvl = 1;
617 			chip->analog_capture_active = 1;
618 		}
619 		if (chip->audio_capture_source == SOURCE_MIC ||
620 		    chip->audio_capture_source == SOURCE_LINEMIC) {
621 			if (chip->mic_active == 0)
622 				update_lvl = 1;
623 			chip->mic_active = 1;
624 		}
625 		if (update_lvl) {
626 			/* capture: update all 3 mutes/unmutes with one call */
627 			hr222_update_analog_audio_level(chip, 1, 0);
628 		}
629 	}
630 	/* set the source infos (max 3 bits modified) */
631 	PCXHR_OUTPB(chip->mgr, PCXHR_XLX_CFG, chip->mgr->xlx_cfg);
632 	return 0;
633 }
634 
635 
636 int hr222_iec958_capture_byte(struct snd_pcxhr *chip,
637 			     int aes_idx, unsigned char *aes_bits)
638 {
639 	unsigned char idx = (unsigned char)(aes_idx * 8);
640 	unsigned char temp = 0;
641 	unsigned char mask = chip->mgr->board_has_aes1 ?
642 		PCXHR_SUER1_BIT_C_READ_MASK : PCXHR_SUER_BIT_C_READ_MASK;
643 	int i;
644 	for (i = 0; i < 8; i++) {
645 		PCXHR_OUTPB(chip->mgr, PCXHR_XLX_RUER, idx++); /* idx < 192 */
646 		temp <<= 1;
647 		if (PCXHR_INPB(chip->mgr, PCXHR_XLX_CSUER) & mask)
648 			temp |= 1;
649 	}
650 	dev_dbg(chip->card->dev, "read iec958 AES %d byte %d = 0x%x\n",
651 		    chip->chip_idx, aes_idx, temp);
652 	*aes_bits = temp;
653 	return 0;
654 }
655 
656 
657 int hr222_iec958_update_byte(struct snd_pcxhr *chip,
658 			     int aes_idx, unsigned char aes_bits)
659 {
660 	int i;
661 	unsigned char new_bits = aes_bits;
662 	unsigned char old_bits = chip->aes_bits[aes_idx];
663 	unsigned char idx = (unsigned char)(aes_idx * 8);
664 	for (i = 0; i < 8; i++) {
665 		if ((old_bits & 0x01) != (new_bits & 0x01)) {
666 			/* idx < 192 */
667 			PCXHR_OUTPB(chip->mgr, PCXHR_XLX_RUER, idx);
668 			/* write C and U bit */
669 			PCXHR_OUTPB(chip->mgr, PCXHR_XLX_CSUER, new_bits&0x01 ?
670 				    PCXHR_SUER_BIT_C_WRITE_MASK : 0);
671 		}
672 		idx++;
673 		old_bits >>= 1;
674 		new_bits >>= 1;
675 	}
676 	chip->aes_bits[aes_idx] = aes_bits;
677 	return 0;
678 }
679 
680 static void hr222_micro_boost(struct pcxhr_mgr *mgr, int level)
681 {
682 	unsigned char boost_mask;
683 	boost_mask = (unsigned char) (level << PCXHR_SELMIC_PREAMPLI_OFFSET);
684 	if (boost_mask & (~PCXHR_SELMIC_PREAMPLI_MASK))
685 		return; /* only values form 0 to 3 accepted */
686 
687 	mgr->xlx_selmic &= ~PCXHR_SELMIC_PREAMPLI_MASK;
688 	mgr->xlx_selmic |= boost_mask;
689 
690 	PCXHR_OUTPB(mgr, PCXHR_XLX_SELMIC, mgr->xlx_selmic);
691 
692 	dev_dbg(&mgr->pci->dev, "hr222_micro_boost : set %x\n", boost_mask);
693 }
694 
695 static void hr222_phantom_power(struct pcxhr_mgr *mgr, int power)
696 {
697 	if (power)
698 		mgr->xlx_selmic |= PCXHR_SELMIC_PHANTOM_ALIM;
699 	else
700 		mgr->xlx_selmic &= ~PCXHR_SELMIC_PHANTOM_ALIM;
701 
702 	PCXHR_OUTPB(mgr, PCXHR_XLX_SELMIC, mgr->xlx_selmic);
703 
704 	dev_dbg(&mgr->pci->dev, "hr222_phantom_power : set %d\n", power);
705 }
706 
707 
708 /* mic level */
709 static const DECLARE_TLV_DB_SCALE(db_scale_mic_hr222, -9850, 50, 650);
710 
711 static int hr222_mic_vol_info(struct snd_kcontrol *kcontrol,
712 			      struct snd_ctl_elem_info *uinfo)
713 {
714 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
715 	uinfo->count = 1;
716 	uinfo->value.integer.min = HR222_MICRO_CAPTURE_LEVEL_MIN; /* -98 dB */
717 	/* gains from 9 dB to 31.5 dB not recommended; use micboost instead */
718 	uinfo->value.integer.max = HR222_MICRO_CAPTURE_LEVEL_MAX; /*  +7 dB */
719 	return 0;
720 }
721 
722 static int hr222_mic_vol_get(struct snd_kcontrol *kcontrol,
723 			     struct snd_ctl_elem_value *ucontrol)
724 {
725 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
726 	mutex_lock(&chip->mgr->mixer_mutex);
727 	ucontrol->value.integer.value[0] = chip->mic_volume;
728 	mutex_unlock(&chip->mgr->mixer_mutex);
729 	return 0;
730 }
731 
732 static int hr222_mic_vol_put(struct snd_kcontrol *kcontrol,
733 			     struct snd_ctl_elem_value *ucontrol)
734 {
735 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
736 	int changed = 0;
737 	mutex_lock(&chip->mgr->mixer_mutex);
738 	if (chip->mic_volume != ucontrol->value.integer.value[0]) {
739 		changed = 1;
740 		chip->mic_volume = ucontrol->value.integer.value[0];
741 		hr222_update_analog_audio_level(chip, 1, 0);
742 	}
743 	mutex_unlock(&chip->mgr->mixer_mutex);
744 	return changed;
745 }
746 
747 static struct snd_kcontrol_new hr222_control_mic_level = {
748 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
749 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
750 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
751 	.name =		"Mic Capture Volume",
752 	.info =		hr222_mic_vol_info,
753 	.get =		hr222_mic_vol_get,
754 	.put =		hr222_mic_vol_put,
755 	.tlv = { .p = db_scale_mic_hr222 },
756 };
757 
758 
759 /* mic boost level */
760 static const DECLARE_TLV_DB_SCALE(db_scale_micboost_hr222, 0, 1800, 5400);
761 
762 static int hr222_mic_boost_info(struct snd_kcontrol *kcontrol,
763 				struct snd_ctl_elem_info *uinfo)
764 {
765 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
766 	uinfo->count = 1;
767 	uinfo->value.integer.min = 0;	/*  0 dB */
768 	uinfo->value.integer.max = 3;	/* 54 dB */
769 	return 0;
770 }
771 
772 static int hr222_mic_boost_get(struct snd_kcontrol *kcontrol,
773 			       struct snd_ctl_elem_value *ucontrol)
774 {
775 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
776 	mutex_lock(&chip->mgr->mixer_mutex);
777 	ucontrol->value.integer.value[0] = chip->mic_boost;
778 	mutex_unlock(&chip->mgr->mixer_mutex);
779 	return 0;
780 }
781 
782 static int hr222_mic_boost_put(struct snd_kcontrol *kcontrol,
783 			       struct snd_ctl_elem_value *ucontrol)
784 {
785 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
786 	int changed = 0;
787 	mutex_lock(&chip->mgr->mixer_mutex);
788 	if (chip->mic_boost != ucontrol->value.integer.value[0]) {
789 		changed = 1;
790 		chip->mic_boost = ucontrol->value.integer.value[0];
791 		hr222_micro_boost(chip->mgr, chip->mic_boost);
792 	}
793 	mutex_unlock(&chip->mgr->mixer_mutex);
794 	return changed;
795 }
796 
797 static struct snd_kcontrol_new hr222_control_mic_boost = {
798 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
799 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
800 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
801 	.name =		"MicBoost Capture Volume",
802 	.info =		hr222_mic_boost_info,
803 	.get =		hr222_mic_boost_get,
804 	.put =		hr222_mic_boost_put,
805 	.tlv = { .p = db_scale_micboost_hr222 },
806 };
807 
808 
809 /******************* Phantom power switch *******************/
810 #define hr222_phantom_power_info	snd_ctl_boolean_mono_info
811 
812 static int hr222_phantom_power_get(struct snd_kcontrol *kcontrol,
813 				   struct snd_ctl_elem_value *ucontrol)
814 {
815 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
816 	mutex_lock(&chip->mgr->mixer_mutex);
817 	ucontrol->value.integer.value[0] = chip->phantom_power;
818 	mutex_unlock(&chip->mgr->mixer_mutex);
819 	return 0;
820 }
821 
822 static int hr222_phantom_power_put(struct snd_kcontrol *kcontrol,
823 				   struct snd_ctl_elem_value *ucontrol)
824 {
825 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
826 	int power, changed = 0;
827 
828 	mutex_lock(&chip->mgr->mixer_mutex);
829 	power = !!ucontrol->value.integer.value[0];
830 	if (chip->phantom_power != power) {
831 		hr222_phantom_power(chip->mgr, power);
832 		chip->phantom_power = power;
833 		changed = 1;
834 	}
835 	mutex_unlock(&chip->mgr->mixer_mutex);
836 	return changed;
837 }
838 
839 static struct snd_kcontrol_new hr222_phantom_power_switch = {
840 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
841 	.name = "Phantom Power Switch",
842 	.info = hr222_phantom_power_info,
843 	.get = hr222_phantom_power_get,
844 	.put = hr222_phantom_power_put,
845 };
846 
847 
848 int hr222_add_mic_controls(struct snd_pcxhr *chip)
849 {
850 	int err;
851 	if (!chip->mgr->board_has_mic)
852 		return 0;
853 
854 	/* controls */
855 	err = snd_ctl_add(chip->card, snd_ctl_new1(&hr222_control_mic_level,
856 						   chip));
857 	if (err < 0)
858 		return err;
859 
860 	err = snd_ctl_add(chip->card, snd_ctl_new1(&hr222_control_mic_boost,
861 						   chip));
862 	if (err < 0)
863 		return err;
864 
865 	err = snd_ctl_add(chip->card, snd_ctl_new1(&hr222_phantom_power_switch,
866 						   chip));
867 	return err;
868 }
869