xref: /openbmc/linux/sound/pci/pcxhr/pcxhr_mix22.c (revision fb574682)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Driver for Digigram pcxhr compatible soundcards
4  *
5  * mixer interface for stereo cards
6  *
7  * Copyright (c) 2004 by Digigram <alsa@digigram.com>
8  */
9 
10 #include <linux/delay.h>
11 #include <linux/io.h>
12 #include <linux/pci.h>
13 #include <sound/core.h>
14 #include <sound/control.h>
15 #include <sound/tlv.h>
16 #include <sound/asoundef.h>
17 #include "pcxhr.h"
18 #include "pcxhr_core.h"
19 #include "pcxhr_mix22.h"
20 
21 
22 /* registers used on the DSP and Xilinx (port 2) : HR stereo cards only */
23 #define PCXHR_DSP_RESET		0x20
24 #define PCXHR_XLX_CFG		0x24
25 #define PCXHR_XLX_RUER		0x28
26 #define PCXHR_XLX_DATA		0x2C
27 #define PCXHR_XLX_STATUS	0x30
28 #define PCXHR_XLX_LOFREQ	0x34
29 #define PCXHR_XLX_HIFREQ	0x38
30 #define PCXHR_XLX_CSUER		0x3C
31 #define PCXHR_XLX_SELMIC	0x40
32 
33 #define PCXHR_DSP 2
34 
35 /* byte access only ! */
36 #define PCXHR_INPB(mgr, x)	inb((mgr)->port[PCXHR_DSP] + (x))
37 #define PCXHR_OUTPB(mgr, x, data) outb((data), (mgr)->port[PCXHR_DSP] + (x))
38 
39 
40 /* values for PCHR_DSP_RESET register */
41 #define PCXHR_DSP_RESET_DSP	0x01
42 #define PCXHR_DSP_RESET_MUTE	0x02
43 #define PCXHR_DSP_RESET_CODEC	0x08
44 #define PCXHR_DSP_RESET_SMPTE	0x10
45 #define PCXHR_DSP_RESET_GPO_OFFSET	5
46 #define PCXHR_DSP_RESET_GPO_MASK	0x60
47 
48 /* values for PCHR_XLX_CFG register */
49 #define PCXHR_CFG_SYNCDSP_MASK		0x80
50 #define PCXHR_CFG_DEPENDENCY_MASK	0x60
51 #define PCXHR_CFG_INDEPENDANT_SEL	0x00
52 #define PCXHR_CFG_MASTER_SEL		0x40
53 #define PCXHR_CFG_SLAVE_SEL		0x20
54 #define PCXHR_CFG_DATA_UER1_SEL_MASK	0x10	/* 0 (UER0), 1(UER1) */
55 #define PCXHR_CFG_DATAIN_SEL_MASK	0x08	/* 0 (ana), 1 (UER) */
56 #define PCXHR_CFG_SRC_MASK		0x04	/* 0 (Bypass), 1 (SRC Actif) */
57 #define PCXHR_CFG_CLOCK_UER1_SEL_MASK	0x02	/* 0 (UER0), 1(UER1) */
58 #define PCXHR_CFG_CLOCKIN_SEL_MASK	0x01	/* 0 (internal), 1 (AES/EBU) */
59 
60 /* values for PCHR_XLX_DATA register */
61 #define PCXHR_DATA_CODEC	0x80
62 #define AKM_POWER_CONTROL_CMD	0xA007
63 #define AKM_RESET_ON_CMD	0xA100
64 #define AKM_RESET_OFF_CMD	0xA103
65 #define AKM_CLOCK_INF_55K_CMD	0xA240
66 #define AKM_CLOCK_SUP_55K_CMD	0xA24D
67 #define AKM_MUTE_CMD		0xA38D
68 #define AKM_UNMUTE_CMD		0xA30D
69 #define AKM_LEFT_LEVEL_CMD	0xA600
70 #define AKM_RIGHT_LEVEL_CMD	0xA700
71 
72 /* values for PCHR_XLX_STATUS register - READ */
73 #define PCXHR_STAT_SRC_LOCK		0x01
74 #define PCXHR_STAT_LEVEL_IN		0x02
75 #define PCXHR_STAT_GPI_OFFSET		2
76 #define PCXHR_STAT_GPI_MASK		0x0C
77 #define PCXHR_STAT_MIC_CAPS		0x10
78 /* values for PCHR_XLX_STATUS register - WRITE */
79 #define PCXHR_STAT_FREQ_SYNC_MASK	0x01
80 #define PCXHR_STAT_FREQ_UER1_MASK	0x02
81 #define PCXHR_STAT_FREQ_SAVE_MASK	0x80
82 
83 /* values for PCHR_XLX_CSUER register */
84 #define PCXHR_SUER1_BIT_U_READ_MASK	0x80
85 #define PCXHR_SUER1_BIT_C_READ_MASK	0x40
86 #define PCXHR_SUER1_DATA_PRESENT_MASK	0x20
87 #define PCXHR_SUER1_CLOCK_PRESENT_MASK	0x10
88 #define PCXHR_SUER_BIT_U_READ_MASK	0x08
89 #define PCXHR_SUER_BIT_C_READ_MASK	0x04
90 #define PCXHR_SUER_DATA_PRESENT_MASK	0x02
91 #define PCXHR_SUER_CLOCK_PRESENT_MASK	0x01
92 
93 #define PCXHR_SUER_BIT_U_WRITE_MASK	0x02
94 #define PCXHR_SUER_BIT_C_WRITE_MASK	0x01
95 
96 /* values for PCXHR_XLX_SELMIC register - WRITE */
97 #define PCXHR_SELMIC_PREAMPLI_OFFSET	2
98 #define PCXHR_SELMIC_PREAMPLI_MASK	0x0C
99 #define PCXHR_SELMIC_PHANTOM_ALIM	0x80
100 
101 
102 static const unsigned char g_hr222_p_level[] = {
103     0x00,   /* [000] -49.5 dB:	AKM[000] = -1.#INF dB	(mute) */
104     0x01,   /* [001] -49.0 dB:	AKM[001] = -48.131 dB	(diff=0.86920 dB) */
105     0x01,   /* [002] -48.5 dB:	AKM[001] = -48.131 dB	(diff=0.36920 dB) */
106     0x01,   /* [003] -48.0 dB:	AKM[001] = -48.131 dB	(diff=0.13080 dB) */
107     0x01,   /* [004] -47.5 dB:	AKM[001] = -48.131 dB	(diff=0.63080 dB) */
108     0x01,   /* [005] -46.5 dB:	AKM[001] = -48.131 dB	(diff=1.63080 dB) */
109     0x01,   /* [006] -47.0 dB:	AKM[001] = -48.131 dB	(diff=1.13080 dB) */
110     0x01,   /* [007] -46.0 dB:	AKM[001] = -48.131 dB	(diff=2.13080 dB) */
111     0x01,   /* [008] -45.5 dB:	AKM[001] = -48.131 dB	(diff=2.63080 dB) */
112     0x02,   /* [009] -45.0 dB:	AKM[002] = -42.110 dB	(diff=2.88980 dB) */
113     0x02,   /* [010] -44.5 dB:	AKM[002] = -42.110 dB	(diff=2.38980 dB) */
114     0x02,   /* [011] -44.0 dB:	AKM[002] = -42.110 dB	(diff=1.88980 dB) */
115     0x02,   /* [012] -43.5 dB:	AKM[002] = -42.110 dB	(diff=1.38980 dB) */
116     0x02,   /* [013] -43.0 dB:	AKM[002] = -42.110 dB	(diff=0.88980 dB) */
117     0x02,   /* [014] -42.5 dB:	AKM[002] = -42.110 dB	(diff=0.38980 dB) */
118     0x02,   /* [015] -42.0 dB:	AKM[002] = -42.110 dB	(diff=0.11020 dB) */
119     0x02,   /* [016] -41.5 dB:	AKM[002] = -42.110 dB	(diff=0.61020 dB) */
120     0x02,   /* [017] -41.0 dB:	AKM[002] = -42.110 dB	(diff=1.11020 dB) */
121     0x02,   /* [018] -40.5 dB:	AKM[002] = -42.110 dB	(diff=1.61020 dB) */
122     0x03,   /* [019] -40.0 dB:	AKM[003] = -38.588 dB	(diff=1.41162 dB) */
123     0x03,   /* [020] -39.5 dB:	AKM[003] = -38.588 dB	(diff=0.91162 dB) */
124     0x03,   /* [021] -39.0 dB:	AKM[003] = -38.588 dB	(diff=0.41162 dB) */
125     0x03,   /* [022] -38.5 dB:	AKM[003] = -38.588 dB	(diff=0.08838 dB) */
126     0x03,   /* [023] -38.0 dB:	AKM[003] = -38.588 dB	(diff=0.58838 dB) */
127     0x03,   /* [024] -37.5 dB:	AKM[003] = -38.588 dB	(diff=1.08838 dB) */
128     0x04,   /* [025] -37.0 dB:	AKM[004] = -36.090 dB	(diff=0.91040 dB) */
129     0x04,   /* [026] -36.5 dB:	AKM[004] = -36.090 dB	(diff=0.41040 dB) */
130     0x04,   /* [027] -36.0 dB:	AKM[004] = -36.090 dB	(diff=0.08960 dB) */
131     0x04,   /* [028] -35.5 dB:	AKM[004] = -36.090 dB	(diff=0.58960 dB) */
132     0x05,   /* [029] -35.0 dB:	AKM[005] = -34.151 dB	(diff=0.84860 dB) */
133     0x05,   /* [030] -34.5 dB:	AKM[005] = -34.151 dB	(diff=0.34860 dB) */
134     0x05,   /* [031] -34.0 dB:	AKM[005] = -34.151 dB	(diff=0.15140 dB) */
135     0x05,   /* [032] -33.5 dB:	AKM[005] = -34.151 dB	(diff=0.65140 dB) */
136     0x06,   /* [033] -33.0 dB:	AKM[006] = -32.568 dB	(diff=0.43222 dB) */
137     0x06,   /* [034] -32.5 dB:	AKM[006] = -32.568 dB	(diff=0.06778 dB) */
138     0x06,   /* [035] -32.0 dB:	AKM[006] = -32.568 dB	(diff=0.56778 dB) */
139     0x07,   /* [036] -31.5 dB:	AKM[007] = -31.229 dB	(diff=0.27116 dB) */
140     0x07,   /* [037] -31.0 dB:	AKM[007] = -31.229 dB	(diff=0.22884 dB) */
141     0x08,   /* [038] -30.5 dB:	AKM[008] = -30.069 dB	(diff=0.43100 dB) */
142     0x08,   /* [039] -30.0 dB:	AKM[008] = -30.069 dB	(diff=0.06900 dB) */
143     0x09,   /* [040] -29.5 dB:	AKM[009] = -29.046 dB	(diff=0.45405 dB) */
144     0x09,   /* [041] -29.0 dB:	AKM[009] = -29.046 dB	(diff=0.04595 dB) */
145     0x0a,   /* [042] -28.5 dB:	AKM[010] = -28.131 dB	(diff=0.36920 dB) */
146     0x0a,   /* [043] -28.0 dB:	AKM[010] = -28.131 dB	(diff=0.13080 dB) */
147     0x0b,   /* [044] -27.5 dB:	AKM[011] = -27.303 dB	(diff=0.19705 dB) */
148     0x0b,   /* [045] -27.0 dB:	AKM[011] = -27.303 dB	(diff=0.30295 dB) */
149     0x0c,   /* [046] -26.5 dB:	AKM[012] = -26.547 dB	(diff=0.04718 dB) */
150     0x0d,   /* [047] -26.0 dB:	AKM[013] = -25.852 dB	(diff=0.14806 dB) */
151     0x0e,   /* [048] -25.5 dB:	AKM[014] = -25.208 dB	(diff=0.29176 dB) */
152     0x0e,   /* [049] -25.0 dB:	AKM[014] = -25.208 dB	(diff=0.20824 dB) */
153     0x0f,   /* [050] -24.5 dB:	AKM[015] = -24.609 dB	(diff=0.10898 dB) */
154     0x10,   /* [051] -24.0 dB:	AKM[016] = -24.048 dB	(diff=0.04840 dB) */
155     0x11,   /* [052] -23.5 dB:	AKM[017] = -23.522 dB	(diff=0.02183 dB) */
156     0x12,   /* [053] -23.0 dB:	AKM[018] = -23.025 dB	(diff=0.02535 dB) */
157     0x13,   /* [054] -22.5 dB:	AKM[019] = -22.556 dB	(diff=0.05573 dB) */
158     0x14,   /* [055] -22.0 dB:	AKM[020] = -22.110 dB	(diff=0.11020 dB) */
159     0x15,   /* [056] -21.5 dB:	AKM[021] = -21.686 dB	(diff=0.18642 dB) */
160     0x17,   /* [057] -21.0 dB:	AKM[023] = -20.896 dB	(diff=0.10375 dB) */
161     0x18,   /* [058] -20.5 dB:	AKM[024] = -20.527 dB	(diff=0.02658 dB) */
162     0x1a,   /* [059] -20.0 dB:	AKM[026] = -19.831 dB	(diff=0.16866 dB) */
163     0x1b,   /* [060] -19.5 dB:	AKM[027] = -19.504 dB	(diff=0.00353 dB) */
164     0x1d,   /* [061] -19.0 dB:	AKM[029] = -18.883 dB	(diff=0.11716 dB) */
165     0x1e,   /* [062] -18.5 dB:	AKM[030] = -18.588 dB	(diff=0.08838 dB) */
166     0x20,   /* [063] -18.0 dB:	AKM[032] = -18.028 dB	(diff=0.02780 dB) */
167     0x22,   /* [064] -17.5 dB:	AKM[034] = -17.501 dB	(diff=0.00123 dB) */
168     0x24,   /* [065] -17.0 dB:	AKM[036] = -17.005 dB	(diff=0.00475 dB) */
169     0x26,   /* [066] -16.5 dB:	AKM[038] = -16.535 dB	(diff=0.03513 dB) */
170     0x28,   /* [067] -16.0 dB:	AKM[040] = -16.090 dB	(diff=0.08960 dB) */
171     0x2b,   /* [068] -15.5 dB:	AKM[043] = -15.461 dB	(diff=0.03857 dB) */
172     0x2d,   /* [069] -15.0 dB:	AKM[045] = -15.067 dB	(diff=0.06655 dB) */
173     0x30,   /* [070] -14.5 dB:	AKM[048] = -14.506 dB	(diff=0.00598 dB) */
174     0x33,   /* [071] -14.0 dB:	AKM[051] = -13.979 dB	(diff=0.02060 dB) */
175     0x36,   /* [072] -13.5 dB:	AKM[054] = -13.483 dB	(diff=0.01707 dB) */
176     0x39,   /* [073] -13.0 dB:	AKM[057] = -13.013 dB	(diff=0.01331 dB) */
177     0x3c,   /* [074] -12.5 dB:	AKM[060] = -12.568 dB	(diff=0.06778 dB) */
178     0x40,   /* [075] -12.0 dB:	AKM[064] = -12.007 dB	(diff=0.00720 dB) */
179     0x44,   /* [076] -11.5 dB:	AKM[068] = -11.481 dB	(diff=0.01937 dB) */
180     0x48,   /* [077] -11.0 dB:	AKM[072] = -10.984 dB	(diff=0.01585 dB) */
181     0x4c,   /* [078] -10.5 dB:	AKM[076] = -10.515 dB	(diff=0.01453 dB) */
182     0x51,   /* [079] -10.0 dB:	AKM[081] = -9.961 dB	(diff=0.03890 dB) */
183     0x55,   /* [080] -9.5 dB:	AKM[085] = -9.542 dB	(diff=0.04243 dB) */
184     0x5a,   /* [081] -9.0 dB:	AKM[090] = -9.046 dB	(diff=0.04595 dB) */
185     0x60,   /* [082] -8.5 dB:	AKM[096] = -8.485 dB	(diff=0.01462 dB) */
186     0x66,   /* [083] -8.0 dB:	AKM[102] = -7.959 dB	(diff=0.04120 dB) */
187     0x6c,   /* [084] -7.5 dB:	AKM[108] = -7.462 dB	(diff=0.03767 dB) */
188     0x72,   /* [085] -7.0 dB:	AKM[114] = -6.993 dB	(diff=0.00729 dB) */
189     0x79,   /* [086] -6.5 dB:	AKM[121] = -6.475 dB	(diff=0.02490 dB) */
190     0x80,   /* [087] -6.0 dB:	AKM[128] = -5.987 dB	(diff=0.01340 dB) */
191     0x87,   /* [088] -5.5 dB:	AKM[135] = -5.524 dB	(diff=0.02413 dB) */
192     0x8f,   /* [089] -5.0 dB:	AKM[143] = -5.024 dB	(diff=0.02408 dB) */
193     0x98,   /* [090] -4.5 dB:	AKM[152] = -4.494 dB	(diff=0.00607 dB) */
194     0xa1,   /* [091] -4.0 dB:	AKM[161] = -3.994 dB	(diff=0.00571 dB) */
195     0xaa,   /* [092] -3.5 dB:	AKM[170] = -3.522 dB	(diff=0.02183 dB) */
196     0xb5,   /* [093] -3.0 dB:	AKM[181] = -2.977 dB	(diff=0.02277 dB) */
197     0xbf,   /* [094] -2.5 dB:	AKM[191] = -2.510 dB	(diff=0.01014 dB) */
198     0xcb,   /* [095] -2.0 dB:	AKM[203] = -1.981 dB	(diff=0.01912 dB) */
199     0xd7,   /* [096] -1.5 dB:	AKM[215] = -1.482 dB	(diff=0.01797 dB) */
200     0xe3,   /* [097] -1.0 dB:	AKM[227] = -1.010 dB	(diff=0.01029 dB) */
201     0xf1,   /* [098] -0.5 dB:	AKM[241] = -0.490 dB	(diff=0.00954 dB) */
202     0xff,   /* [099] +0.0 dB:	AKM[255] = +0.000 dB	(diff=0.00000 dB) */
203 };
204 
205 
206 static void hr222_config_akm(struct pcxhr_mgr *mgr, unsigned short data)
207 {
208 	unsigned short mask = 0x8000;
209 	/* activate access to codec registers */
210 	PCXHR_INPB(mgr, PCXHR_XLX_HIFREQ);
211 
212 	while (mask) {
213 		PCXHR_OUTPB(mgr, PCXHR_XLX_DATA,
214 			    data & mask ? PCXHR_DATA_CODEC : 0);
215 		mask >>= 1;
216 	}
217 	/* termiate access to codec registers */
218 	PCXHR_INPB(mgr, PCXHR_XLX_RUER);
219 }
220 
221 
222 static int hr222_set_hw_playback_level(struct pcxhr_mgr *mgr,
223 				       int idx, int level)
224 {
225 	unsigned short cmd;
226 	if (idx > 1 ||
227 	    level < 0 ||
228 	    level >= ARRAY_SIZE(g_hr222_p_level))
229 		return -EINVAL;
230 
231 	if (idx == 0)
232 		cmd = AKM_LEFT_LEVEL_CMD;
233 	else
234 		cmd = AKM_RIGHT_LEVEL_CMD;
235 
236 	/* conversion from PmBoardCodedLevel to AKM nonlinear programming */
237 	cmd += g_hr222_p_level[level];
238 
239 	hr222_config_akm(mgr, cmd);
240 	return 0;
241 }
242 
243 
244 static int hr222_set_hw_capture_level(struct pcxhr_mgr *mgr,
245 				      int level_l, int level_r, int level_mic)
246 {
247 	/* program all input levels at the same time */
248 	unsigned int data;
249 	int i;
250 
251 	if (!mgr->capture_chips)
252 		return -EINVAL;	/* no PCX22 */
253 
254 	data  = ((level_mic & 0xff) << 24);	/* micro is mono, but apply */
255 	data |= ((level_mic & 0xff) << 16);	/* level on both channels */
256 	data |= ((level_r & 0xff) << 8);	/* line input right channel */
257 	data |= (level_l & 0xff);		/* line input left channel */
258 
259 	PCXHR_INPB(mgr, PCXHR_XLX_DATA);	/* activate input codec */
260 	/* send 32 bits (4 x 8 bits) */
261 	for (i = 0; i < 32; i++, data <<= 1) {
262 		PCXHR_OUTPB(mgr, PCXHR_XLX_DATA,
263 			    (data & 0x80000000) ? PCXHR_DATA_CODEC : 0);
264 	}
265 	PCXHR_INPB(mgr, PCXHR_XLX_RUER);	/* close input level codec */
266 	return 0;
267 }
268 
269 static void hr222_micro_boost(struct pcxhr_mgr *mgr, int level);
270 
271 int hr222_sub_init(struct pcxhr_mgr *mgr)
272 {
273 	unsigned char reg;
274 
275 	mgr->board_has_analog = 1;	/* analog always available */
276 	mgr->xlx_cfg = PCXHR_CFG_SYNCDSP_MASK;
277 
278 	reg = PCXHR_INPB(mgr, PCXHR_XLX_STATUS);
279 	if (reg & PCXHR_STAT_MIC_CAPS)
280 		mgr->board_has_mic = 1;	/* microphone available */
281 	dev_dbg(&mgr->pci->dev,
282 		"MIC input available = %d\n", mgr->board_has_mic);
283 
284 	/* reset codec */
285 	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET,
286 		    PCXHR_DSP_RESET_DSP);
287 	msleep(5);
288 	mgr->dsp_reset = PCXHR_DSP_RESET_DSP  |
289 			 PCXHR_DSP_RESET_MUTE |
290 			 PCXHR_DSP_RESET_CODEC;
291 	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, mgr->dsp_reset);
292 	/* hr222_write_gpo(mgr, 0); does the same */
293 	msleep(5);
294 
295 	/* config AKM */
296 	hr222_config_akm(mgr, AKM_POWER_CONTROL_CMD);
297 	hr222_config_akm(mgr, AKM_CLOCK_INF_55K_CMD);
298 	hr222_config_akm(mgr, AKM_UNMUTE_CMD);
299 	hr222_config_akm(mgr, AKM_RESET_OFF_CMD);
300 
301 	/* init micro boost */
302 	hr222_micro_boost(mgr, 0);
303 
304 	return 0;
305 }
306 
307 
308 /* calc PLL register */
309 /* TODO : there is a very similar fct in pcxhr.c */
310 static int hr222_pll_freq_register(unsigned int freq,
311 				   unsigned int *pllreg,
312 				   unsigned int *realfreq)
313 {
314 	unsigned int reg;
315 
316 	if (freq < 6900 || freq > 219000)
317 		return -EINVAL;
318 	reg = (28224000 * 2) / freq;
319 	reg = (reg - 1) / 2;
320 	if (reg < 0x100)
321 		*pllreg = reg + 0xC00;
322 	else if (reg < 0x200)
323 		*pllreg = reg + 0x800;
324 	else if (reg < 0x400)
325 		*pllreg = reg & 0x1ff;
326 	else if (reg < 0x800) {
327 		*pllreg = ((reg >> 1) & 0x1ff) + 0x200;
328 		reg &= ~1;
329 	} else {
330 		*pllreg = ((reg >> 2) & 0x1ff) + 0x400;
331 		reg &= ~3;
332 	}
333 	if (realfreq)
334 		*realfreq = (28224000 / (reg + 1));
335 	return 0;
336 }
337 
338 int hr222_sub_set_clock(struct pcxhr_mgr *mgr,
339 			unsigned int rate,
340 			int *changed)
341 {
342 	unsigned int speed, pllreg = 0;
343 	int err;
344 	unsigned realfreq = rate;
345 
346 	switch (mgr->use_clock_type) {
347 	case HR22_CLOCK_TYPE_INTERNAL:
348 		err = hr222_pll_freq_register(rate, &pllreg, &realfreq);
349 		if (err)
350 			return err;
351 
352 		mgr->xlx_cfg &= ~(PCXHR_CFG_CLOCKIN_SEL_MASK |
353 				  PCXHR_CFG_CLOCK_UER1_SEL_MASK);
354 		break;
355 	case HR22_CLOCK_TYPE_AES_SYNC:
356 		mgr->xlx_cfg |= PCXHR_CFG_CLOCKIN_SEL_MASK;
357 		mgr->xlx_cfg &= ~PCXHR_CFG_CLOCK_UER1_SEL_MASK;
358 		break;
359 	case HR22_CLOCK_TYPE_AES_1:
360 		if (!mgr->board_has_aes1)
361 			return -EINVAL;
362 
363 		mgr->xlx_cfg |= (PCXHR_CFG_CLOCKIN_SEL_MASK |
364 				 PCXHR_CFG_CLOCK_UER1_SEL_MASK);
365 		break;
366 	default:
367 		return -EINVAL;
368 	}
369 	hr222_config_akm(mgr, AKM_MUTE_CMD);
370 
371 	if (mgr->use_clock_type == HR22_CLOCK_TYPE_INTERNAL) {
372 		PCXHR_OUTPB(mgr, PCXHR_XLX_HIFREQ, pllreg >> 8);
373 		PCXHR_OUTPB(mgr, PCXHR_XLX_LOFREQ, pllreg & 0xff);
374 	}
375 
376 	/* set clock source */
377 	PCXHR_OUTPB(mgr, PCXHR_XLX_CFG, mgr->xlx_cfg);
378 
379 	/* codec speed modes */
380 	speed = rate < 55000 ? 0 : 1;
381 	if (mgr->codec_speed != speed) {
382 		mgr->codec_speed = speed;
383 		if (speed == 0)
384 			hr222_config_akm(mgr, AKM_CLOCK_INF_55K_CMD);
385 		else
386 			hr222_config_akm(mgr, AKM_CLOCK_SUP_55K_CMD);
387 	}
388 
389 	mgr->sample_rate_real = realfreq;
390 	mgr->cur_clock_type = mgr->use_clock_type;
391 
392 	if (changed)
393 		*changed = 1;
394 
395 	hr222_config_akm(mgr, AKM_UNMUTE_CMD);
396 
397 	dev_dbg(&mgr->pci->dev, "set_clock to %dHz (realfreq=%d pllreg=%x)\n",
398 		    rate, realfreq, pllreg);
399 	return 0;
400 }
401 
402 int hr222_get_external_clock(struct pcxhr_mgr *mgr,
403 			     enum pcxhr_clock_type clock_type,
404 			     int *sample_rate)
405 {
406 	int rate, calc_rate = 0;
407 	unsigned int ticks;
408 	unsigned char mask, reg;
409 
410 	if (clock_type == HR22_CLOCK_TYPE_AES_SYNC) {
411 
412 		mask = (PCXHR_SUER_CLOCK_PRESENT_MASK |
413 			PCXHR_SUER_DATA_PRESENT_MASK);
414 		reg = PCXHR_STAT_FREQ_SYNC_MASK;
415 
416 	} else if (clock_type == HR22_CLOCK_TYPE_AES_1 && mgr->board_has_aes1) {
417 
418 		mask = (PCXHR_SUER1_CLOCK_PRESENT_MASK |
419 			PCXHR_SUER1_DATA_PRESENT_MASK);
420 		reg = PCXHR_STAT_FREQ_UER1_MASK;
421 
422 	} else {
423 		dev_dbg(&mgr->pci->dev,
424 			"get_external_clock : type %d not supported\n",
425 			    clock_type);
426 		return -EINVAL; /* other clocks not supported */
427 	}
428 
429 	if ((PCXHR_INPB(mgr, PCXHR_XLX_CSUER) & mask) != mask) {
430 		dev_dbg(&mgr->pci->dev,
431 			"get_external_clock(%d) = 0 Hz\n", clock_type);
432 		*sample_rate = 0;
433 		return 0; /* no external clock locked */
434 	}
435 
436 	PCXHR_OUTPB(mgr, PCXHR_XLX_STATUS, reg); /* calculate freq */
437 
438 	/* save the measured clock frequency */
439 	reg |= PCXHR_STAT_FREQ_SAVE_MASK;
440 
441 	if (mgr->last_reg_stat != reg) {
442 		udelay(500);	/* wait min 2 cycles of lowest freq (8000) */
443 		mgr->last_reg_stat = reg;
444 	}
445 
446 	PCXHR_OUTPB(mgr, PCXHR_XLX_STATUS, reg); /* save */
447 
448 	/* get the frequency */
449 	ticks = (unsigned int)PCXHR_INPB(mgr, PCXHR_XLX_CFG);
450 	ticks = (ticks & 0x03) << 8;
451 	ticks |= (unsigned int)PCXHR_INPB(mgr, PCXHR_DSP_RESET);
452 
453 	if (ticks != 0)
454 		calc_rate = 28224000 / ticks;
455 	/* rounding */
456 	if (calc_rate > 184200)
457 		rate = 192000;
458 	else if (calc_rate > 152200)
459 		rate = 176400;
460 	else if (calc_rate > 112000)
461 		rate = 128000;
462 	else if (calc_rate > 92100)
463 		rate = 96000;
464 	else if (calc_rate > 76100)
465 		rate = 88200;
466 	else if (calc_rate > 56000)
467 		rate = 64000;
468 	else if (calc_rate > 46050)
469 		rate = 48000;
470 	else if (calc_rate > 38050)
471 		rate = 44100;
472 	else if (calc_rate > 28000)
473 		rate = 32000;
474 	else if (calc_rate > 23025)
475 		rate = 24000;
476 	else if (calc_rate > 19025)
477 		rate = 22050;
478 	else if (calc_rate > 14000)
479 		rate = 16000;
480 	else if (calc_rate > 11512)
481 		rate = 12000;
482 	else if (calc_rate > 9512)
483 		rate = 11025;
484 	else if (calc_rate > 7000)
485 		rate = 8000;
486 	else
487 		rate = 0;
488 
489 	dev_dbg(&mgr->pci->dev, "External clock is at %d Hz (measured %d Hz)\n",
490 		    rate, calc_rate);
491 	*sample_rate = rate;
492 	return 0;
493 }
494 
495 
496 int hr222_read_gpio(struct pcxhr_mgr *mgr, int is_gpi, int *value)
497 {
498 	if (is_gpi) {
499 		unsigned char reg = PCXHR_INPB(mgr, PCXHR_XLX_STATUS);
500 		*value = (int)(reg & PCXHR_STAT_GPI_MASK) >>
501 			      PCXHR_STAT_GPI_OFFSET;
502 	} else {
503 		*value = (int)(mgr->dsp_reset & PCXHR_DSP_RESET_GPO_MASK) >>
504 			 PCXHR_DSP_RESET_GPO_OFFSET;
505 	}
506 	return 0;
507 }
508 
509 
510 int hr222_write_gpo(struct pcxhr_mgr *mgr, int value)
511 {
512 	unsigned char reg = mgr->dsp_reset & ~PCXHR_DSP_RESET_GPO_MASK;
513 
514 	reg |= (unsigned char)(value << PCXHR_DSP_RESET_GPO_OFFSET) &
515 	       PCXHR_DSP_RESET_GPO_MASK;
516 
517 	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, reg);
518 	mgr->dsp_reset = reg;
519 	return 0;
520 }
521 
522 int hr222_manage_timecode(struct pcxhr_mgr *mgr, int enable)
523 {
524 	if (enable)
525 		mgr->dsp_reset |= PCXHR_DSP_RESET_SMPTE;
526 	else
527 		mgr->dsp_reset &= ~PCXHR_DSP_RESET_SMPTE;
528 
529 	PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, mgr->dsp_reset);
530 	return 0;
531 }
532 
533 int hr222_update_analog_audio_level(struct snd_pcxhr *chip,
534 				    int is_capture, int channel)
535 {
536 	dev_dbg(chip->card->dev,
537 		"hr222_update_analog_audio_level(%s chan=%d)\n",
538 		    is_capture ? "capture" : "playback", channel);
539 	if (is_capture) {
540 		int level_l, level_r, level_mic;
541 		/* we have to update all levels */
542 		if (chip->analog_capture_active) {
543 			level_l = chip->analog_capture_volume[0];
544 			level_r = chip->analog_capture_volume[1];
545 		} else {
546 			level_l = HR222_LINE_CAPTURE_LEVEL_MIN;
547 			level_r = HR222_LINE_CAPTURE_LEVEL_MIN;
548 		}
549 		if (chip->mic_active)
550 			level_mic = chip->mic_volume;
551 		else
552 			level_mic = HR222_MICRO_CAPTURE_LEVEL_MIN;
553 		return hr222_set_hw_capture_level(chip->mgr,
554 						 level_l, level_r, level_mic);
555 	} else {
556 		int vol;
557 		if (chip->analog_playback_active[channel])
558 			vol = chip->analog_playback_volume[channel];
559 		else
560 			vol = HR222_LINE_PLAYBACK_LEVEL_MIN;
561 		return hr222_set_hw_playback_level(chip->mgr, channel, vol);
562 	}
563 }
564 
565 
566 /*texts[5] = {"Line", "Digital", "Digi+SRC", "Mic", "Line+Mic"}*/
567 #define SOURCE_LINE	0
568 #define SOURCE_DIGITAL	1
569 #define SOURCE_DIGISRC	2
570 #define SOURCE_MIC	3
571 #define SOURCE_LINEMIC	4
572 
573 int hr222_set_audio_source(struct snd_pcxhr *chip)
574 {
575 	int digital = 0;
576 	/* default analog source */
577 	chip->mgr->xlx_cfg &= ~(PCXHR_CFG_SRC_MASK |
578 				PCXHR_CFG_DATAIN_SEL_MASK |
579 				PCXHR_CFG_DATA_UER1_SEL_MASK);
580 
581 	if (chip->audio_capture_source == SOURCE_DIGISRC) {
582 		chip->mgr->xlx_cfg |= PCXHR_CFG_SRC_MASK;
583 		digital = 1;
584 	} else {
585 		if (chip->audio_capture_source == SOURCE_DIGITAL)
586 			digital = 1;
587 	}
588 	if (digital) {
589 		chip->mgr->xlx_cfg |=  PCXHR_CFG_DATAIN_SEL_MASK;
590 		if (chip->mgr->board_has_aes1) {
591 			/* get data from the AES1 plug */
592 			chip->mgr->xlx_cfg |= PCXHR_CFG_DATA_UER1_SEL_MASK;
593 		}
594 		/* chip->mic_active = 0; */
595 		/* chip->analog_capture_active = 0; */
596 	} else {
597 		int update_lvl = 0;
598 		chip->analog_capture_active = 0;
599 		chip->mic_active = 0;
600 		if (chip->audio_capture_source == SOURCE_LINE ||
601 		    chip->audio_capture_source == SOURCE_LINEMIC) {
602 			if (chip->analog_capture_active == 0)
603 				update_lvl = 1;
604 			chip->analog_capture_active = 1;
605 		}
606 		if (chip->audio_capture_source == SOURCE_MIC ||
607 		    chip->audio_capture_source == SOURCE_LINEMIC) {
608 			if (chip->mic_active == 0)
609 				update_lvl = 1;
610 			chip->mic_active = 1;
611 		}
612 		if (update_lvl) {
613 			/* capture: update all 3 mutes/unmutes with one call */
614 			hr222_update_analog_audio_level(chip, 1, 0);
615 		}
616 	}
617 	/* set the source infos (max 3 bits modified) */
618 	PCXHR_OUTPB(chip->mgr, PCXHR_XLX_CFG, chip->mgr->xlx_cfg);
619 	return 0;
620 }
621 
622 
623 int hr222_iec958_capture_byte(struct snd_pcxhr *chip,
624 			     int aes_idx, unsigned char *aes_bits)
625 {
626 	unsigned char idx = (unsigned char)(aes_idx * 8);
627 	unsigned char temp = 0;
628 	unsigned char mask = chip->mgr->board_has_aes1 ?
629 		PCXHR_SUER1_BIT_C_READ_MASK : PCXHR_SUER_BIT_C_READ_MASK;
630 	int i;
631 	for (i = 0; i < 8; i++) {
632 		PCXHR_OUTPB(chip->mgr, PCXHR_XLX_RUER, idx++); /* idx < 192 */
633 		temp <<= 1;
634 		if (PCXHR_INPB(chip->mgr, PCXHR_XLX_CSUER) & mask)
635 			temp |= 1;
636 	}
637 	dev_dbg(chip->card->dev, "read iec958 AES %d byte %d = 0x%x\n",
638 		    chip->chip_idx, aes_idx, temp);
639 	*aes_bits = temp;
640 	return 0;
641 }
642 
643 
644 int hr222_iec958_update_byte(struct snd_pcxhr *chip,
645 			     int aes_idx, unsigned char aes_bits)
646 {
647 	int i;
648 	unsigned char new_bits = aes_bits;
649 	unsigned char old_bits = chip->aes_bits[aes_idx];
650 	unsigned char idx = (unsigned char)(aes_idx * 8);
651 	for (i = 0; i < 8; i++) {
652 		if ((old_bits & 0x01) != (new_bits & 0x01)) {
653 			/* idx < 192 */
654 			PCXHR_OUTPB(chip->mgr, PCXHR_XLX_RUER, idx);
655 			/* write C and U bit */
656 			PCXHR_OUTPB(chip->mgr, PCXHR_XLX_CSUER, new_bits&0x01 ?
657 				    PCXHR_SUER_BIT_C_WRITE_MASK : 0);
658 		}
659 		idx++;
660 		old_bits >>= 1;
661 		new_bits >>= 1;
662 	}
663 	chip->aes_bits[aes_idx] = aes_bits;
664 	return 0;
665 }
666 
667 static void hr222_micro_boost(struct pcxhr_mgr *mgr, int level)
668 {
669 	unsigned char boost_mask;
670 	boost_mask = (unsigned char) (level << PCXHR_SELMIC_PREAMPLI_OFFSET);
671 	if (boost_mask & (~PCXHR_SELMIC_PREAMPLI_MASK))
672 		return; /* only values form 0 to 3 accepted */
673 
674 	mgr->xlx_selmic &= ~PCXHR_SELMIC_PREAMPLI_MASK;
675 	mgr->xlx_selmic |= boost_mask;
676 
677 	PCXHR_OUTPB(mgr, PCXHR_XLX_SELMIC, mgr->xlx_selmic);
678 
679 	dev_dbg(&mgr->pci->dev, "hr222_micro_boost : set %x\n", boost_mask);
680 }
681 
682 static void hr222_phantom_power(struct pcxhr_mgr *mgr, int power)
683 {
684 	if (power)
685 		mgr->xlx_selmic |= PCXHR_SELMIC_PHANTOM_ALIM;
686 	else
687 		mgr->xlx_selmic &= ~PCXHR_SELMIC_PHANTOM_ALIM;
688 
689 	PCXHR_OUTPB(mgr, PCXHR_XLX_SELMIC, mgr->xlx_selmic);
690 
691 	dev_dbg(&mgr->pci->dev, "hr222_phantom_power : set %d\n", power);
692 }
693 
694 
695 /* mic level */
696 static const DECLARE_TLV_DB_SCALE(db_scale_mic_hr222, -9850, 50, 650);
697 
698 static int hr222_mic_vol_info(struct snd_kcontrol *kcontrol,
699 			      struct snd_ctl_elem_info *uinfo)
700 {
701 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
702 	uinfo->count = 1;
703 	uinfo->value.integer.min = HR222_MICRO_CAPTURE_LEVEL_MIN; /* -98 dB */
704 	/* gains from 9 dB to 31.5 dB not recommended; use micboost instead */
705 	uinfo->value.integer.max = HR222_MICRO_CAPTURE_LEVEL_MAX; /*  +7 dB */
706 	return 0;
707 }
708 
709 static int hr222_mic_vol_get(struct snd_kcontrol *kcontrol,
710 			     struct snd_ctl_elem_value *ucontrol)
711 {
712 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
713 	mutex_lock(&chip->mgr->mixer_mutex);
714 	ucontrol->value.integer.value[0] = chip->mic_volume;
715 	mutex_unlock(&chip->mgr->mixer_mutex);
716 	return 0;
717 }
718 
719 static int hr222_mic_vol_put(struct snd_kcontrol *kcontrol,
720 			     struct snd_ctl_elem_value *ucontrol)
721 {
722 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
723 	int changed = 0;
724 	mutex_lock(&chip->mgr->mixer_mutex);
725 	if (chip->mic_volume != ucontrol->value.integer.value[0]) {
726 		changed = 1;
727 		chip->mic_volume = ucontrol->value.integer.value[0];
728 		hr222_update_analog_audio_level(chip, 1, 0);
729 	}
730 	mutex_unlock(&chip->mgr->mixer_mutex);
731 	return changed;
732 }
733 
734 static const struct snd_kcontrol_new hr222_control_mic_level = {
735 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
736 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
737 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
738 	.name =		"Mic Capture Volume",
739 	.info =		hr222_mic_vol_info,
740 	.get =		hr222_mic_vol_get,
741 	.put =		hr222_mic_vol_put,
742 	.tlv = { .p = db_scale_mic_hr222 },
743 };
744 
745 
746 /* mic boost level */
747 static const DECLARE_TLV_DB_SCALE(db_scale_micboost_hr222, 0, 1800, 5400);
748 
749 static int hr222_mic_boost_info(struct snd_kcontrol *kcontrol,
750 				struct snd_ctl_elem_info *uinfo)
751 {
752 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
753 	uinfo->count = 1;
754 	uinfo->value.integer.min = 0;	/*  0 dB */
755 	uinfo->value.integer.max = 3;	/* 54 dB */
756 	return 0;
757 }
758 
759 static int hr222_mic_boost_get(struct snd_kcontrol *kcontrol,
760 			       struct snd_ctl_elem_value *ucontrol)
761 {
762 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
763 	mutex_lock(&chip->mgr->mixer_mutex);
764 	ucontrol->value.integer.value[0] = chip->mic_boost;
765 	mutex_unlock(&chip->mgr->mixer_mutex);
766 	return 0;
767 }
768 
769 static int hr222_mic_boost_put(struct snd_kcontrol *kcontrol,
770 			       struct snd_ctl_elem_value *ucontrol)
771 {
772 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
773 	int changed = 0;
774 	mutex_lock(&chip->mgr->mixer_mutex);
775 	if (chip->mic_boost != ucontrol->value.integer.value[0]) {
776 		changed = 1;
777 		chip->mic_boost = ucontrol->value.integer.value[0];
778 		hr222_micro_boost(chip->mgr, chip->mic_boost);
779 	}
780 	mutex_unlock(&chip->mgr->mixer_mutex);
781 	return changed;
782 }
783 
784 static const struct snd_kcontrol_new hr222_control_mic_boost = {
785 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
786 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
787 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
788 	.name =		"MicBoost Capture Volume",
789 	.info =		hr222_mic_boost_info,
790 	.get =		hr222_mic_boost_get,
791 	.put =		hr222_mic_boost_put,
792 	.tlv = { .p = db_scale_micboost_hr222 },
793 };
794 
795 
796 /******************* Phantom power switch *******************/
797 #define hr222_phantom_power_info	snd_ctl_boolean_mono_info
798 
799 static int hr222_phantom_power_get(struct snd_kcontrol *kcontrol,
800 				   struct snd_ctl_elem_value *ucontrol)
801 {
802 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
803 	mutex_lock(&chip->mgr->mixer_mutex);
804 	ucontrol->value.integer.value[0] = chip->phantom_power;
805 	mutex_unlock(&chip->mgr->mixer_mutex);
806 	return 0;
807 }
808 
809 static int hr222_phantom_power_put(struct snd_kcontrol *kcontrol,
810 				   struct snd_ctl_elem_value *ucontrol)
811 {
812 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
813 	int power, changed = 0;
814 
815 	mutex_lock(&chip->mgr->mixer_mutex);
816 	power = !!ucontrol->value.integer.value[0];
817 	if (chip->phantom_power != power) {
818 		hr222_phantom_power(chip->mgr, power);
819 		chip->phantom_power = power;
820 		changed = 1;
821 	}
822 	mutex_unlock(&chip->mgr->mixer_mutex);
823 	return changed;
824 }
825 
826 static const struct snd_kcontrol_new hr222_phantom_power_switch = {
827 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
828 	.name = "Phantom Power Switch",
829 	.info = hr222_phantom_power_info,
830 	.get = hr222_phantom_power_get,
831 	.put = hr222_phantom_power_put,
832 };
833 
834 
835 int hr222_add_mic_controls(struct snd_pcxhr *chip)
836 {
837 	int err;
838 	if (!chip->mgr->board_has_mic)
839 		return 0;
840 
841 	/* controls */
842 	err = snd_ctl_add(chip->card, snd_ctl_new1(&hr222_control_mic_level,
843 						   chip));
844 	if (err < 0)
845 		return err;
846 
847 	err = snd_ctl_add(chip->card, snd_ctl_new1(&hr222_control_mic_boost,
848 						   chip));
849 	if (err < 0)
850 		return err;
851 
852 	err = snd_ctl_add(chip->card, snd_ctl_new1(&hr222_phantom_power_switch,
853 						   chip));
854 	return err;
855 }
856