?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / sound / soc / codecs / msm8916-wcd-digital.c
blob09fccacadd6b1ec38c7d06d115c6e9df7f11d70f
1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2016, The Linux Foundation. All rights reserved.
3
4 #include <linux/module.h>
5 #include <linux/err.h>
6 #include <linux/kernel.h>
7 #include <linux/delay.h>
8 #include <linux/types.h>
9 #include <linux/clk.h>
10 #include <linux/of.h>
11 #include <linux/platform_device.h>
12 #include <linux/regmap.h>
13 #include <linux/mfd/syscon.h>
14 #include <sound/soc.h>
15 #include <sound/pcm.h>
16 #include <sound/pcm_params.h>
17 #include <sound/tlv.h>
18
19 #define LPASS_CDC_CLK_RX_RESET_CTL (0x000)
20 #define LPASS_CDC_CLK_TX_RESET_B1_CTL (0x004)
21 #define CLK_RX_RESET_B1_CTL_TX1_RESET_MASK BIT(0)
22 #define CLK_RX_RESET_B1_CTL_TX2_RESET_MASK BIT(1)
23 #define LPASS_CDC_CLK_DMIC_B1_CTL (0x008)
24 #define DMIC_B1_CTL_DMIC0_CLK_SEL_MASK GENMASK(3, 1)
25 #define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV2 (0x0 << 1)
26 #define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV3 (0x1 << 1)
27 #define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV4 (0x2 << 1)
28 #define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV6 (0x3 << 1)
29 #define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV16 (0x4 << 1)
30 #define DMIC_B1_CTL_DMIC0_CLK_EN_MASK BIT(0)
31 #define DMIC_B1_CTL_DMIC0_CLK_EN_ENABLE BIT(0)
32
33 #define LPASS_CDC_CLK_RX_I2S_CTL (0x00C)
34 #define RX_I2S_CTL_RX_I2S_MODE_MASK BIT(5)
35 #define RX_I2S_CTL_RX_I2S_MODE_16 BIT(5)
36 #define RX_I2S_CTL_RX_I2S_MODE_32 0
37 #define RX_I2S_CTL_RX_I2S_FS_RATE_MASK GENMASK(2, 0)
38 #define RX_I2S_CTL_RX_I2S_FS_RATE_F_8_KHZ 0x0
39 #define RX_I2S_CTL_RX_I2S_FS_RATE_F_16_KHZ 0x1
40 #define RX_I2S_CTL_RX_I2S_FS_RATE_F_32_KHZ 0x2
41 #define RX_I2S_CTL_RX_I2S_FS_RATE_F_48_KHZ 0x3
42 #define RX_I2S_CTL_RX_I2S_FS_RATE_F_96_KHZ 0x4
43 #define RX_I2S_CTL_RX_I2S_FS_RATE_F_192_KHZ 0x5
44 #define LPASS_CDC_CLK_TX_I2S_CTL (0x010)
45 #define TX_I2S_CTL_TX_I2S_MODE_MASK BIT(5)
46 #define TX_I2S_CTL_TX_I2S_MODE_16 BIT(5)
47 #define TX_I2S_CTL_TX_I2S_MODE_32 0
48 #define TX_I2S_CTL_TX_I2S_FS_RATE_MASK GENMASK(2, 0)
49 #define TX_I2S_CTL_TX_I2S_FS_RATE_F_8_KHZ 0x0
50 #define TX_I2S_CTL_TX_I2S_FS_RATE_F_16_KHZ 0x1
51 #define TX_I2S_CTL_TX_I2S_FS_RATE_F_32_KHZ 0x2
52 #define TX_I2S_CTL_TX_I2S_FS_RATE_F_48_KHZ 0x3
53 #define TX_I2S_CTL_TX_I2S_FS_RATE_F_96_KHZ 0x4
54 #define TX_I2S_CTL_TX_I2S_FS_RATE_F_192_KHZ 0x5
55
56 #define LPASS_CDC_CLK_OTHR_RESET_B1_CTL (0x014)
57 #define LPASS_CDC_CLK_TX_CLK_EN_B1_CTL (0x018)
58 #define LPASS_CDC_CLK_OTHR_CTL (0x01C)
59 #define LPASS_CDC_CLK_RX_B1_CTL (0x020)
60 #define LPASS_CDC_CLK_MCLK_CTL (0x024)
61 #define MCLK_CTL_MCLK_EN_MASK BIT(0)
62 #define MCLK_CTL_MCLK_EN_ENABLE BIT(0)
63 #define MCLK_CTL_MCLK_EN_DISABLE 0
64 #define LPASS_CDC_CLK_PDM_CTL (0x028)
65 #define LPASS_CDC_CLK_PDM_CTL_PDM_EN_MASK BIT(0)
66 #define LPASS_CDC_CLK_PDM_CTL_PDM_EN BIT(0)
67 #define LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_MASK BIT(1)
68 #define LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_FB BIT(1)
69 #define LPASS_CDC_CLK_PDM_CTL_PDM_CLK_PDM_CLK 0
70
71 #define LPASS_CDC_CLK_SD_CTL (0x02C)
72 #define LPASS_CDC_RX1_B1_CTL (0x040)
73 #define LPASS_CDC_RX2_B1_CTL (0x060)
74 #define LPASS_CDC_RX3_B1_CTL (0x080)
75 #define LPASS_CDC_RX1_B2_CTL (0x044)
76 #define LPASS_CDC_RX2_B2_CTL (0x064)
77 #define LPASS_CDC_RX3_B2_CTL (0x084)
78 #define LPASS_CDC_RX1_B3_CTL (0x048)
79 #define LPASS_CDC_RX2_B3_CTL (0x068)
80 #define LPASS_CDC_RX3_B3_CTL (0x088)
81 #define LPASS_CDC_RX1_B4_CTL (0x04C)
82 #define LPASS_CDC_RX2_B4_CTL (0x06C)
83 #define LPASS_CDC_RX3_B4_CTL (0x08C)
84 #define LPASS_CDC_RX1_B5_CTL (0x050)
85 #define LPASS_CDC_RX2_B5_CTL (0x070)
86 #define LPASS_CDC_RX3_B5_CTL (0x090)
87 #define LPASS_CDC_RX1_B6_CTL (0x054)
88 #define RXn_B6_CTL_MUTE_MASK BIT(0)
89 #define RXn_B6_CTL_MUTE_ENABLE BIT(0)
90 #define RXn_B6_CTL_MUTE_DISABLE 0
91 #define LPASS_CDC_RX2_B6_CTL (0x074)
92 #define LPASS_CDC_RX3_B6_CTL (0x094)
93 #define LPASS_CDC_RX1_VOL_CTL_B1_CTL (0x058)
94 #define LPASS_CDC_RX2_VOL_CTL_B1_CTL (0x078)
95 #define LPASS_CDC_RX3_VOL_CTL_B1_CTL (0x098)
96 #define LPASS_CDC_RX1_VOL_CTL_B2_CTL (0x05C)
97 #define LPASS_CDC_RX2_VOL_CTL_B2_CTL (0x07C)
98 #define LPASS_CDC_RX3_VOL_CTL_B2_CTL (0x09C)
99 #define LPASS_CDC_TOP_GAIN_UPDATE (0x0A0)
100 #define LPASS_CDC_TOP_CTL (0x0A4)
101 #define TOP_CTL_DIG_MCLK_FREQ_MASK BIT(0)
102 #define TOP_CTL_DIG_MCLK_FREQ_F_12_288MHZ 0
103 #define TOP_CTL_DIG_MCLK_FREQ_F_9_6MHZ BIT(0)
104
105 #define LPASS_CDC_DEBUG_DESER1_CTL (0x0E0)
106 #define LPASS_CDC_DEBUG_DESER2_CTL (0x0E4)
107 #define LPASS_CDC_DEBUG_B1_CTL_CFG (0x0E8)
108 #define LPASS_CDC_DEBUG_B2_CTL_CFG (0x0EC)
109 #define LPASS_CDC_DEBUG_B3_CTL_CFG (0x0F0)
110 #define LPASS_CDC_IIR1_GAIN_B1_CTL (0x100)
111 #define LPASS_CDC_IIR2_GAIN_B1_CTL (0x140)
112 #define LPASS_CDC_IIR1_GAIN_B2_CTL (0x104)
113 #define LPASS_CDC_IIR2_GAIN_B2_CTL (0x144)
114 #define LPASS_CDC_IIR1_GAIN_B3_CTL (0x108)
115 #define LPASS_CDC_IIR2_GAIN_B3_CTL (0x148)
116 #define LPASS_CDC_IIR1_GAIN_B4_CTL (0x10C)
117 #define LPASS_CDC_IIR2_GAIN_B4_CTL (0x14C)
118 #define LPASS_CDC_IIR1_GAIN_B5_CTL (0x110)
119 #define LPASS_CDC_IIR2_GAIN_B5_CTL (0x150)
120 #define LPASS_CDC_IIR1_GAIN_B6_CTL (0x114)
121 #define LPASS_CDC_IIR2_GAIN_B6_CTL (0x154)
122 #define LPASS_CDC_IIR1_GAIN_B7_CTL (0x118)
123 #define LPASS_CDC_IIR2_GAIN_B7_CTL (0x158)
124 #define LPASS_CDC_IIR1_GAIN_B8_CTL (0x11C)
125 #define LPASS_CDC_IIR2_GAIN_B8_CTL (0x15C)
126 #define LPASS_CDC_IIR1_CTL (0x120)
127 #define LPASS_CDC_IIR2_CTL (0x160)
128 #define LPASS_CDC_IIR1_GAIN_TIMER_CTL (0x124)
129 #define LPASS_CDC_IIR2_GAIN_TIMER_CTL (0x164)
130 #define LPASS_CDC_IIR1_COEF_B1_CTL (0x128)
131 #define LPASS_CDC_IIR2_COEF_B1_CTL (0x168)
132 #define LPASS_CDC_IIR1_COEF_B2_CTL (0x12C)
133 #define LPASS_CDC_IIR2_COEF_B2_CTL (0x16C)
134 #define LPASS_CDC_CONN_RX1_B1_CTL (0x180)
135 #define LPASS_CDC_CONN_RX1_B2_CTL (0x184)
136 #define LPASS_CDC_CONN_RX1_B3_CTL (0x188)
137 #define LPASS_CDC_CONN_RX2_B1_CTL (0x18C)
138 #define LPASS_CDC_CONN_RX2_B2_CTL (0x190)
139 #define LPASS_CDC_CONN_RX2_B3_CTL (0x194)
140 #define LPASS_CDC_CONN_RX3_B1_CTL (0x198)
141 #define LPASS_CDC_CONN_RX3_B2_CTL (0x19C)
142 #define LPASS_CDC_CONN_TX_B1_CTL (0x1A0)
143 #define LPASS_CDC_CONN_EQ1_B1_CTL (0x1A8)
144 #define LPASS_CDC_CONN_EQ1_B2_CTL (0x1AC)
145 #define LPASS_CDC_CONN_EQ1_B3_CTL (0x1B0)
146 #define LPASS_CDC_CONN_EQ1_B4_CTL (0x1B4)
147 #define LPASS_CDC_CONN_EQ2_B1_CTL (0x1B8)
148 #define LPASS_CDC_CONN_EQ2_B2_CTL (0x1BC)
149 #define LPASS_CDC_CONN_EQ2_B3_CTL (0x1C0)
150 #define LPASS_CDC_CONN_EQ2_B4_CTL (0x1C4)
151 #define LPASS_CDC_CONN_TX_I2S_SD1_CTL (0x1C8)
152 #define LPASS_CDC_TX1_VOL_CTL_TIMER (0x280)
153 #define LPASS_CDC_TX2_VOL_CTL_TIMER (0x2A0)
154 #define LPASS_CDC_TX1_VOL_CTL_GAIN (0x284)
155 #define LPASS_CDC_TX2_VOL_CTL_GAIN (0x2A4)
156 #define LPASS_CDC_TX1_VOL_CTL_CFG (0x288)
157 #define TX_VOL_CTL_CFG_MUTE_EN_MASK BIT(0)
158 #define TX_VOL_CTL_CFG_MUTE_EN_ENABLE BIT(0)
159
160 #define LPASS_CDC_TX2_VOL_CTL_CFG (0x2A8)
161 #define LPASS_CDC_TX1_MUX_CTL (0x28C)
162 #define TX_MUX_CTL_CUT_OFF_FREQ_MASK GENMASK(5, 4)
163 #define TX_MUX_CTL_CUT_OFF_FREQ_SHIFT 4
164 #define TX_MUX_CTL_CF_NEG_3DB_4HZ (0x0 << 4)
165 #define TX_MUX_CTL_CF_NEG_3DB_75HZ (0x1 << 4)
166 #define TX_MUX_CTL_CF_NEG_3DB_150HZ (0x2 << 4)
167 #define TX_MUX_CTL_HPF_BP_SEL_MASK BIT(3)
168 #define TX_MUX_CTL_HPF_BP_SEL_BYPASS BIT(3)
169 #define TX_MUX_CTL_HPF_BP_SEL_NO_BYPASS 0
170
171 #define LPASS_CDC_TX2_MUX_CTL (0x2AC)
172 #define LPASS_CDC_TX1_CLK_FS_CTL (0x290)
173 #define LPASS_CDC_TX2_CLK_FS_CTL (0x2B0)
174 #define LPASS_CDC_TX1_DMIC_CTL (0x294)
175 #define LPASS_CDC_TX2_DMIC_CTL (0x2B4)
176 #define TXN_DMIC_CTL_CLK_SEL_MASK GENMASK(2, 0)
177 #define TXN_DMIC_CTL_CLK_SEL_DIV2 0x0
178 #define TXN_DMIC_CTL_CLK_SEL_DIV3 0x1
179 #define TXN_DMIC_CTL_CLK_SEL_DIV4 0x2
180 #define TXN_DMIC_CTL_CLK_SEL_DIV6 0x3
181 #define TXN_DMIC_CTL_CLK_SEL_DIV16 0x4
182
183 #define MSM8916_WCD_DIGITAL_RATES (SNDRV_PCM_RATE_8000 | \
184 SNDRV_PCM_RATE_16000 | \
185 SNDRV_PCM_RATE_32000 | \
186 SNDRV_PCM_RATE_48000)
187 #define MSM8916_WCD_DIGITAL_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
188 SNDRV_PCM_FMTBIT_S32_LE)
189
190 /* Codec supports 2 IIR filters */
191 enum {
192 IIR1 = 0,
193 IIR2,
194 IIR_MAX,
195 };
196
197 /* Codec supports 5 bands */
198 enum {
199 BAND1 = 0,
200 BAND2,
201 BAND3,
202 BAND4,
203 BAND5,
204 BAND_MAX,
205 };
206
207 #define WCD_IIR_FILTER_SIZE (sizeof(u32)*BAND_MAX)
208
209 #define WCD_IIR_FILTER_CTL(xname, iidx, bidx) \
210 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
211 .info = wcd_iir_filter_info, \
212 .get = msm8x16_wcd_get_iir_band_audio_mixer, \
213 .put = msm8x16_wcd_put_iir_band_audio_mixer, \
214 .private_value = (unsigned long)&(struct wcd_iir_filter_ctl) { \
215 .iir_idx = iidx, \
216 .band_idx = bidx, \
217 .bytes_ext = {.max = WCD_IIR_FILTER_SIZE, }, \
218 } \
219 }
220
221 struct wcd_iir_filter_ctl {
222 unsigned int iir_idx;
223 unsigned int band_idx;
224 struct soc_bytes_ext bytes_ext;
225 };
226
227 struct msm8916_wcd_digital_priv {
228 struct clk *ahbclk, *mclk;
229 };
230
231 static const unsigned long rx_gain_reg[] = {
232 LPASS_CDC_RX1_VOL_CTL_B2_CTL,
233 LPASS_CDC_RX2_VOL_CTL_B2_CTL,
234 LPASS_CDC_RX3_VOL_CTL_B2_CTL,
235 };
236
237 static const unsigned long tx_gain_reg[] = {
238 LPASS_CDC_TX1_VOL_CTL_GAIN,
239 LPASS_CDC_TX2_VOL_CTL_GAIN,
240 };
241
242 static const char *const rx_mix1_text[] = {
243 "ZERO", "IIR1", "IIR2", "RX1", "RX2", "RX3"
244 };
245
246 static const char * const rx_mix2_text[] = {
247 "ZERO", "IIR1", "IIR2"
248 };
249
250 static const char *const dec_mux_text[] = {
251 "ZERO", "ADC1", "ADC2", "ADC3", "DMIC1", "DMIC2"
252 };
253
254 static const char *const cic_mux_text[] = { "AMIC", "DMIC" };
255
256 /* RX1 MIX1 */
257 static const struct soc_enum rx_mix1_inp_enum[] = {
258 SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B1_CTL, 0, 6, rx_mix1_text),
259 SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B1_CTL, 3, 6, rx_mix1_text),
260 SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B2_CTL, 0, 6, rx_mix1_text),
261 };
262
263 /* RX2 MIX1 */
264 static const struct soc_enum rx2_mix1_inp_enum[] = {
265 SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B1_CTL, 0, 6, rx_mix1_text),
266 SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B1_CTL, 3, 6, rx_mix1_text),
267 SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B2_CTL, 0, 6, rx_mix1_text),
268 };
269
270 /* RX3 MIX1 */
271 static const struct soc_enum rx3_mix1_inp_enum[] = {
272 SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B1_CTL, 0, 6, rx_mix1_text),
273 SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B1_CTL, 3, 6, rx_mix1_text),
274 SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B2_CTL, 0, 6, rx_mix1_text),
275 };
276
277 /* RX1 MIX2 */
278 static const struct soc_enum rx_mix2_inp1_chain_enum =
279 SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B3_CTL,
280 0, 3, rx_mix2_text);
281
282 /* RX2 MIX2 */
283 static const struct soc_enum rx2_mix2_inp1_chain_enum =
284 SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B3_CTL,
285 0, 3, rx_mix2_text);
286
287 /* DEC */
288 static const struct soc_enum dec1_mux_enum = SOC_ENUM_SINGLE(
289 LPASS_CDC_CONN_TX_B1_CTL, 0, 6, dec_mux_text);
290 static const struct soc_enum dec2_mux_enum = SOC_ENUM_SINGLE(
291 LPASS_CDC_CONN_TX_B1_CTL, 3, 6, dec_mux_text);
292
293 /* CIC */
294 static const struct soc_enum cic1_mux_enum = SOC_ENUM_SINGLE(
295 LPASS_CDC_TX1_MUX_CTL, 0, 2, cic_mux_text);
296 static const struct soc_enum cic2_mux_enum = SOC_ENUM_SINGLE(
297 LPASS_CDC_TX2_MUX_CTL, 0, 2, cic_mux_text);
298
299 /* RDAC2 MUX */
300 static const struct snd_kcontrol_new dec1_mux = SOC_DAPM_ENUM(
301 "DEC1 MUX Mux", dec1_mux_enum);
302 static const struct snd_kcontrol_new dec2_mux = SOC_DAPM_ENUM(
303 "DEC2 MUX Mux", dec2_mux_enum);
304 static const struct snd_kcontrol_new cic1_mux = SOC_DAPM_ENUM(
305 "CIC1 MUX Mux", cic1_mux_enum);
306 static const struct snd_kcontrol_new cic2_mux = SOC_DAPM_ENUM(
307 "CIC2 MUX Mux", cic2_mux_enum);
308 static const struct snd_kcontrol_new rx_mix1_inp1_mux = SOC_DAPM_ENUM(
309 "RX1 MIX1 INP1 Mux", rx_mix1_inp_enum[0]);
310 static const struct snd_kcontrol_new rx_mix1_inp2_mux = SOC_DAPM_ENUM(
311 "RX1 MIX1 INP2 Mux", rx_mix1_inp_enum[1]);
312 static const struct snd_kcontrol_new rx_mix1_inp3_mux = SOC_DAPM_ENUM(
313 "RX1 MIX1 INP3 Mux", rx_mix1_inp_enum[2]);
314 static const struct snd_kcontrol_new rx2_mix1_inp1_mux = SOC_DAPM_ENUM(
315 "RX2 MIX1 INP1 Mux", rx2_mix1_inp_enum[0]);
316 static const struct snd_kcontrol_new rx2_mix1_inp2_mux = SOC_DAPM_ENUM(
317 "RX2 MIX1 INP2 Mux", rx2_mix1_inp_enum[1]);
318 static const struct snd_kcontrol_new rx2_mix1_inp3_mux = SOC_DAPM_ENUM(
319 "RX2 MIX1 INP3 Mux", rx2_mix1_inp_enum[2]);
320 static const struct snd_kcontrol_new rx3_mix1_inp1_mux = SOC_DAPM_ENUM(
321 "RX3 MIX1 INP1 Mux", rx3_mix1_inp_enum[0]);
322 static const struct snd_kcontrol_new rx3_mix1_inp2_mux = SOC_DAPM_ENUM(
323 "RX3 MIX1 INP2 Mux", rx3_mix1_inp_enum[1]);
324 static const struct snd_kcontrol_new rx3_mix1_inp3_mux = SOC_DAPM_ENUM(
325 "RX3 MIX1 INP3 Mux", rx3_mix1_inp_enum[2]);
326 static const struct snd_kcontrol_new rx1_mix2_inp1_mux = SOC_DAPM_ENUM(
327 "RX1 MIX2 INP1 Mux", rx_mix2_inp1_chain_enum);
328 static const struct snd_kcontrol_new rx2_mix2_inp1_mux = SOC_DAPM_ENUM(
329 "RX2 MIX2 INP1 Mux", rx2_mix2_inp1_chain_enum);
330
331 /* Digital Gain control -38.4 dB to +38.4 dB in 0.3 dB steps */
332 static const DECLARE_TLV_DB_SCALE(digital_gain, -3840, 30, 0);
333
334 /* Cutoff Freq for High Pass Filter at -3dB */
335 static const char * const hpf_cutoff_text[] = {
336 "4Hz", "75Hz", "150Hz",
337 };
338
339 static SOC_ENUM_SINGLE_DECL(tx1_hpf_cutoff_enum, LPASS_CDC_TX1_MUX_CTL, 4,
340 hpf_cutoff_text);
341 static SOC_ENUM_SINGLE_DECL(tx2_hpf_cutoff_enum, LPASS_CDC_TX2_MUX_CTL, 4,
342 hpf_cutoff_text);
343
344 /* cut off for dc blocker inside rx chain */
345 static const char * const dc_blocker_cutoff_text[] = {
346 "4Hz", "75Hz", "150Hz",
347 };
348
349 static SOC_ENUM_SINGLE_DECL(rx1_dcb_cutoff_enum, LPASS_CDC_RX1_B4_CTL, 0,
350 dc_blocker_cutoff_text);
351 static SOC_ENUM_SINGLE_DECL(rx2_dcb_cutoff_enum, LPASS_CDC_RX2_B4_CTL, 0,
352 dc_blocker_cutoff_text);
353 static SOC_ENUM_SINGLE_DECL(rx3_dcb_cutoff_enum, LPASS_CDC_RX3_B4_CTL, 0,
354 dc_blocker_cutoff_text);
355
356 static int msm8x16_wcd_codec_set_iir_gain(struct snd_soc_dapm_widget *w,
357 struct snd_kcontrol *kcontrol, int event)
358 {
359 struct snd_soc_component *component =
360 snd_soc_dapm_to_component(w->dapm);
361 int value = 0, reg = 0;
362
363 switch (event) {
364 case SND_SOC_DAPM_POST_PMU:
365 if (w->shift == 0)
366 reg = LPASS_CDC_IIR1_GAIN_B1_CTL;
367 else if (w->shift == 1)
368 reg = LPASS_CDC_IIR2_GAIN_B1_CTL;
369 value = snd_soc_component_read32(component, reg);
370 snd_soc_component_write(component, reg, value);
371 break;
372 default:
373 break;
374 }
375 return 0;
376 }
377
378 static uint32_t get_iir_band_coeff(struct snd_soc_component *component,
379 int iir_idx, int band_idx,
380 int coeff_idx)
381 {
382 uint32_t value = 0;
383
384 /* Address does not automatically update if reading */
385 snd_soc_component_write(component,
386 (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
387 ((band_idx * BAND_MAX + coeff_idx)
388 * sizeof(uint32_t)) & 0x7F);
389
390 value |= snd_soc_component_read32(component,
391 (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx));
392
393 snd_soc_component_write(component,
394 (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
395 ((band_idx * BAND_MAX + coeff_idx)
396 * sizeof(uint32_t) + 1) & 0x7F);
397
398 value |= (snd_soc_component_read32(component,
399 (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)) << 8);
400
401 snd_soc_component_write(component,
402 (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
403 ((band_idx * BAND_MAX + coeff_idx)
404 * sizeof(uint32_t) + 2) & 0x7F);
405
406 value |= (snd_soc_component_read32(component,
407 (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)) << 16);
408
409 snd_soc_component_write(component,
410 (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
411 ((band_idx * BAND_MAX + coeff_idx)
412 * sizeof(uint32_t) + 3) & 0x7F);
413
414 /* Mask bits top 2 bits since they are reserved */
415 value |= ((snd_soc_component_read32(component,
416 (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)) & 0x3f) << 24);
417 return value;
418
419 }
420
421 static int msm8x16_wcd_get_iir_band_audio_mixer(
422 struct snd_kcontrol *kcontrol,
423 struct snd_ctl_elem_value *ucontrol)
424 {
425
426 struct snd_soc_component *component =
427 snd_soc_kcontrol_component(kcontrol);
428 struct wcd_iir_filter_ctl *ctl =
429 (struct wcd_iir_filter_ctl *)kcontrol->private_value;
430 struct soc_bytes_ext *params = &ctl->bytes_ext;
431 int iir_idx = ctl->iir_idx;
432 int band_idx = ctl->band_idx;
433 u32 coeff[BAND_MAX];
434
435 coeff[0] = get_iir_band_coeff(component, iir_idx, band_idx, 0);
436 coeff[1] = get_iir_band_coeff(component, iir_idx, band_idx, 1);
437 coeff[2] = get_iir_band_coeff(component, iir_idx, band_idx, 2);
438 coeff[3] = get_iir_band_coeff(component, iir_idx, band_idx, 3);
439 coeff[4] = get_iir_band_coeff(component, iir_idx, band_idx, 4);
440
441 memcpy(ucontrol->value.bytes.data, &coeff[0], params->max);
442
443 return 0;
444 }
445
446 static void set_iir_band_coeff(struct snd_soc_component *component,
447 int iir_idx, int band_idx,
448 uint32_t value)
449 {
450 snd_soc_component_write(component,
451 (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx),
452 (value & 0xFF));
453
454 snd_soc_component_write(component,
455 (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx),
456 (value >> 8) & 0xFF);
457
458 snd_soc_component_write(component,
459 (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx),
460 (value >> 16) & 0xFF);
461
462 /* Mask top 2 bits, 7-8 are reserved */
463 snd_soc_component_write(component,
464 (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx),
465 (value >> 24) & 0x3F);
466 }
467
468 static int msm8x16_wcd_put_iir_band_audio_mixer(
469 struct snd_kcontrol *kcontrol,
470 struct snd_ctl_elem_value *ucontrol)
471 {
472 struct snd_soc_component *component =
473 snd_soc_kcontrol_component(kcontrol);
474 struct wcd_iir_filter_ctl *ctl =
475 (struct wcd_iir_filter_ctl *)kcontrol->private_value;
476 struct soc_bytes_ext *params = &ctl->bytes_ext;
477 int iir_idx = ctl->iir_idx;
478 int band_idx = ctl->band_idx;
479 u32 coeff[BAND_MAX];
480
481 memcpy(&coeff[0], ucontrol->value.bytes.data, params->max);
482
483 /* Mask top bit it is reserved */
484 /* Updates addr automatically for each B2 write */
485 snd_soc_component_write(component,
486 (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
487 (band_idx * BAND_MAX * sizeof(uint32_t)) & 0x7F);
488
489 set_iir_band_coeff(component, iir_idx, band_idx, coeff[0]);
490 set_iir_band_coeff(component, iir_idx, band_idx, coeff[1]);
491 set_iir_band_coeff(component, iir_idx, band_idx, coeff[2]);
492 set_iir_band_coeff(component, iir_idx, band_idx, coeff[3]);
493 set_iir_band_coeff(component, iir_idx, band_idx, coeff[4]);
494
495 return 0;
496 }
497
498 static int wcd_iir_filter_info(struct snd_kcontrol *kcontrol,
499 struct snd_ctl_elem_info *ucontrol)
500 {
501 struct wcd_iir_filter_ctl *ctl =
502 (struct wcd_iir_filter_ctl *)kcontrol->private_value;
503 struct soc_bytes_ext *params = &ctl->bytes_ext;
504
505 ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES;
506 ucontrol->count = params->max;
507
508 return 0;
509 }
510
511 static const struct snd_kcontrol_new msm8916_wcd_digital_snd_controls[] = {
512 SOC_SINGLE_S8_TLV("RX1 Digital Volume", LPASS_CDC_RX1_VOL_CTL_B2_CTL,
513 -128, 127, digital_gain),
514 SOC_SINGLE_S8_TLV("RX2 Digital Volume", LPASS_CDC_RX2_VOL_CTL_B2_CTL,
515 -128, 127, digital_gain),
516 SOC_SINGLE_S8_TLV("RX3 Digital Volume", LPASS_CDC_RX3_VOL_CTL_B2_CTL,
517 -128, 127, digital_gain),
518 SOC_SINGLE_S8_TLV("TX1 Digital Volume", LPASS_CDC_TX1_VOL_CTL_GAIN,
519 -128, 127, digital_gain),
520 SOC_SINGLE_S8_TLV("TX2 Digital Volume", LPASS_CDC_TX2_VOL_CTL_GAIN,
521 -128, 127, digital_gain),
522 SOC_ENUM("TX1 HPF Cutoff", tx1_hpf_cutoff_enum),
523 SOC_ENUM("TX2 HPF Cutoff", tx2_hpf_cutoff_enum),
524 SOC_SINGLE("TX1 HPF Switch", LPASS_CDC_TX1_MUX_CTL, 3, 1, 0),
525 SOC_SINGLE("TX2 HPF Switch", LPASS_CDC_TX2_MUX_CTL, 3, 1, 0),
526 SOC_ENUM("RX1 DCB Cutoff", rx1_dcb_cutoff_enum),
527 SOC_ENUM("RX2 DCB Cutoff", rx2_dcb_cutoff_enum),
528 SOC_ENUM("RX3 DCB Cutoff", rx3_dcb_cutoff_enum),
529 SOC_SINGLE("RX1 DCB Switch", LPASS_CDC_RX1_B5_CTL, 2, 1, 0),
530 SOC_SINGLE("RX2 DCB Switch", LPASS_CDC_RX2_B5_CTL, 2, 1, 0),
531 SOC_SINGLE("RX3 DCB Switch", LPASS_CDC_RX3_B5_CTL, 2, 1, 0),
532 SOC_SINGLE("RX1 Mute Switch", LPASS_CDC_RX1_B6_CTL, 0, 1, 0),
533 SOC_SINGLE("RX2 Mute Switch", LPASS_CDC_RX2_B6_CTL, 0, 1, 0),
534 SOC_SINGLE("RX3 Mute Switch", LPASS_CDC_RX3_B6_CTL, 0, 1, 0),
535
536 SOC_SINGLE("IIR1 Band1 Switch", LPASS_CDC_IIR1_CTL, 0, 1, 0),
537 SOC_SINGLE("IIR1 Band2 Switch", LPASS_CDC_IIR1_CTL, 1, 1, 0),
538 SOC_SINGLE("IIR1 Band3 Switch", LPASS_CDC_IIR1_CTL, 2, 1, 0),
539 SOC_SINGLE("IIR1 Band4 Switch", LPASS_CDC_IIR1_CTL, 3, 1, 0),
540 SOC_SINGLE("IIR1 Band5 Switch", LPASS_CDC_IIR1_CTL, 4, 1, 0),
541 SOC_SINGLE("IIR2 Band1 Switch", LPASS_CDC_IIR2_CTL, 0, 1, 0),
542 SOC_SINGLE("IIR2 Band2 Switch", LPASS_CDC_IIR2_CTL, 1, 1, 0),
543 SOC_SINGLE("IIR2 Band3 Switch", LPASS_CDC_IIR2_CTL, 2, 1, 0),
544 SOC_SINGLE("IIR2 Band4 Switch", LPASS_CDC_IIR2_CTL, 3, 1, 0),
545 SOC_SINGLE("IIR2 Band5 Switch", LPASS_CDC_IIR2_CTL, 4, 1, 0),
546 WCD_IIR_FILTER_CTL("IIR1 Band1", IIR1, BAND1),
547 WCD_IIR_FILTER_CTL("IIR1 Band2", IIR1, BAND2),
548 WCD_IIR_FILTER_CTL("IIR1 Band3", IIR1, BAND3),
549 WCD_IIR_FILTER_CTL("IIR1 Band4", IIR1, BAND4),
550 WCD_IIR_FILTER_CTL("IIR1 Band5", IIR1, BAND5),
551 WCD_IIR_FILTER_CTL("IIR2 Band1", IIR2, BAND1),
552 WCD_IIR_FILTER_CTL("IIR2 Band2", IIR2, BAND2),
553 WCD_IIR_FILTER_CTL("IIR2 Band3", IIR2, BAND3),
554 WCD_IIR_FILTER_CTL("IIR2 Band4", IIR2, BAND4),
555 WCD_IIR_FILTER_CTL("IIR2 Band5", IIR2, BAND5),
556 SOC_SINGLE_SX_TLV("IIR1 INP1 Volume", LPASS_CDC_IIR1_GAIN_B1_CTL,
557 0, -84, 40, digital_gain),
558 SOC_SINGLE_SX_TLV("IIR1 INP2 Volume", LPASS_CDC_IIR1_GAIN_B2_CTL,
559 0, -84, 40, digital_gain),
560 SOC_SINGLE_SX_TLV("IIR1 INP3 Volume", LPASS_CDC_IIR1_GAIN_B3_CTL,
561 0, -84, 40, digital_gain),
562 SOC_SINGLE_SX_TLV("IIR1 INP4 Volume", LPASS_CDC_IIR1_GAIN_B4_CTL,
563 0, -84, 40, digital_gain),
564 SOC_SINGLE_SX_TLV("IIR2 INP1 Volume", LPASS_CDC_IIR2_GAIN_B1_CTL,
565 0, -84, 40, digital_gain),
566 SOC_SINGLE_SX_TLV("IIR2 INP2 Volume", LPASS_CDC_IIR2_GAIN_B2_CTL,
567 0, -84, 40, digital_gain),
568 SOC_SINGLE_SX_TLV("IIR2 INP3 Volume", LPASS_CDC_IIR2_GAIN_B3_CTL,
569 0, -84, 40, digital_gain),
570 SOC_SINGLE_SX_TLV("IIR2 INP4 Volume", LPASS_CDC_IIR2_GAIN_B4_CTL,
571 0, -84, 40, digital_gain),
572
573 };
574
575 static int msm8916_wcd_digital_enable_interpolator(
576 struct snd_soc_dapm_widget *w,
577 struct snd_kcontrol *kcontrol,
578 int event)
579 {
580 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
581
582 switch (event) {
583 case SND_SOC_DAPM_POST_PMU:
584 /* apply the digital gain after the interpolator is enabled */
585 usleep_range(10000, 10100);
586 snd_soc_component_write(component, rx_gain_reg[w->shift],
587 snd_soc_component_read32(component, rx_gain_reg[w->shift]));
588 break;
589 case SND_SOC_DAPM_POST_PMD:
590 snd_soc_component_update_bits(component, LPASS_CDC_CLK_RX_RESET_CTL,
591 1 << w->shift, 1 << w->shift);
592 snd_soc_component_update_bits(component, LPASS_CDC_CLK_RX_RESET_CTL,
593 1 << w->shift, 0x0);
594 break;
595 }
596 return 0;
597 }
598
599 static int msm8916_wcd_digital_enable_dec(struct snd_soc_dapm_widget *w,
600 struct snd_kcontrol *kcontrol,
601 int event)
602 {
603 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
604 unsigned int decimator = w->shift + 1;
605 u16 dec_reset_reg, tx_vol_ctl_reg, tx_mux_ctl_reg;
606 u8 dec_hpf_cut_of_freq;
607
608 dec_reset_reg = LPASS_CDC_CLK_TX_RESET_B1_CTL;
609 tx_vol_ctl_reg = LPASS_CDC_TX1_VOL_CTL_CFG + 32 * (decimator - 1);
610 tx_mux_ctl_reg = LPASS_CDC_TX1_MUX_CTL + 32 * (decimator - 1);
611
612 switch (event) {
613 case SND_SOC_DAPM_PRE_PMU:
614 /* Enable TX digital mute */
615 snd_soc_component_update_bits(component, tx_vol_ctl_reg,
616 TX_VOL_CTL_CFG_MUTE_EN_MASK,
617 TX_VOL_CTL_CFG_MUTE_EN_ENABLE);
618 dec_hpf_cut_of_freq = snd_soc_component_read32(component, tx_mux_ctl_reg) &
619 TX_MUX_CTL_CUT_OFF_FREQ_MASK;
620 dec_hpf_cut_of_freq >>= TX_MUX_CTL_CUT_OFF_FREQ_SHIFT;
621 if (dec_hpf_cut_of_freq != TX_MUX_CTL_CF_NEG_3DB_150HZ) {
622 /* set cut of freq to CF_MIN_3DB_150HZ (0x1) */
623 snd_soc_component_update_bits(component, tx_mux_ctl_reg,
624 TX_MUX_CTL_CUT_OFF_FREQ_MASK,
625 TX_MUX_CTL_CF_NEG_3DB_150HZ);
626 }
627 break;
628 case SND_SOC_DAPM_POST_PMU:
629 /* enable HPF */
630 snd_soc_component_update_bits(component, tx_mux_ctl_reg,
631 TX_MUX_CTL_HPF_BP_SEL_MASK,
632 TX_MUX_CTL_HPF_BP_SEL_NO_BYPASS);
633 /* apply the digital gain after the decimator is enabled */
634 snd_soc_component_write(component, tx_gain_reg[w->shift],
635 snd_soc_component_read32(component, tx_gain_reg[w->shift]));
636 snd_soc_component_update_bits(component, tx_vol_ctl_reg,
637 TX_VOL_CTL_CFG_MUTE_EN_MASK, 0);
638 break;
639 case SND_SOC_DAPM_PRE_PMD:
640 snd_soc_component_update_bits(component, tx_vol_ctl_reg,
641 TX_VOL_CTL_CFG_MUTE_EN_MASK,
642 TX_VOL_CTL_CFG_MUTE_EN_ENABLE);
643 snd_soc_component_update_bits(component, tx_mux_ctl_reg,
644 TX_MUX_CTL_HPF_BP_SEL_MASK,
645 TX_MUX_CTL_HPF_BP_SEL_BYPASS);
646 break;
647 case SND_SOC_DAPM_POST_PMD:
648 snd_soc_component_update_bits(component, dec_reset_reg, 1 << w->shift,
649 1 << w->shift);
650 snd_soc_component_update_bits(component, dec_reset_reg, 1 << w->shift, 0x0);
651 snd_soc_component_update_bits(component, tx_mux_ctl_reg,
652 TX_MUX_CTL_HPF_BP_SEL_MASK,
653 TX_MUX_CTL_HPF_BP_SEL_BYPASS);
654 snd_soc_component_update_bits(component, tx_vol_ctl_reg,
655 TX_VOL_CTL_CFG_MUTE_EN_MASK, 0);
656 break;
657 }
658
659 return 0;
660 }
661
662 static int msm8916_wcd_digital_enable_dmic(struct snd_soc_dapm_widget *w,
663 struct snd_kcontrol *kcontrol,
664 int event)
665 {
666 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
667 unsigned int dmic;
668 int ret;
669 /* get dmic number out of widget name */
670 char *dmic_num = strpbrk(w->name, "12");
671
672 if (dmic_num == NULL) {
673 dev_err(component->dev, "Invalid DMIC\n");
674 return -EINVAL;
675 }
676 ret = kstrtouint(dmic_num, 10, &dmic);
677 if (ret < 0 || dmic > 2) {
678 dev_err(component->dev, "Invalid DMIC line on the component\n");
679 return -EINVAL;
680 }
681
682 switch (event) {
683 case SND_SOC_DAPM_PRE_PMU:
684 snd_soc_component_update_bits(component, LPASS_CDC_CLK_DMIC_B1_CTL,
685 DMIC_B1_CTL_DMIC0_CLK_SEL_MASK,
686 DMIC_B1_CTL_DMIC0_CLK_SEL_DIV3);
687 switch (dmic) {
688 case 1:
689 snd_soc_component_update_bits(component, LPASS_CDC_TX1_DMIC_CTL,
690 TXN_DMIC_CTL_CLK_SEL_MASK,
691 TXN_DMIC_CTL_CLK_SEL_DIV3);
692 break;
693 case 2:
694 snd_soc_component_update_bits(component, LPASS_CDC_TX2_DMIC_CTL,
695 TXN_DMIC_CTL_CLK_SEL_MASK,
696 TXN_DMIC_CTL_CLK_SEL_DIV3);
697 break;
698 }
699 break;
700 }
701
702 return 0;
703 }
704
705 static const char * const iir_inp1_text[] = {
706 "ZERO", "DEC1", "DEC2", "RX1", "RX2", "RX3"
707 };
708
709 static const struct soc_enum iir1_inp1_mux_enum =
710 SOC_ENUM_SINGLE(LPASS_CDC_CONN_EQ1_B1_CTL,
711 0, 6, iir_inp1_text);
712
713 static const struct soc_enum iir2_inp1_mux_enum =
714 SOC_ENUM_SINGLE(LPASS_CDC_CONN_EQ2_B1_CTL,
715 0, 6, iir_inp1_text);
716
717 static const struct snd_kcontrol_new iir1_inp1_mux =
718 SOC_DAPM_ENUM("IIR1 INP1 Mux", iir1_inp1_mux_enum);
719
720 static const struct snd_kcontrol_new iir2_inp1_mux =
721 SOC_DAPM_ENUM("IIR2 INP1 Mux", iir2_inp1_mux_enum);
722
723 static const struct snd_soc_dapm_widget msm8916_wcd_digital_dapm_widgets[] = {
724 /*RX stuff */
725 SND_SOC_DAPM_AIF_IN("I2S RX1", NULL, 0, SND_SOC_NOPM, 0, 0),
726 SND_SOC_DAPM_AIF_IN("I2S RX2", NULL, 0, SND_SOC_NOPM, 0, 0),
727 SND_SOC_DAPM_AIF_IN("I2S RX3", NULL, 0, SND_SOC_NOPM, 0, 0),
728
729 SND_SOC_DAPM_OUTPUT("PDM_RX1"),
730 SND_SOC_DAPM_OUTPUT("PDM_RX2"),
731 SND_SOC_DAPM_OUTPUT("PDM_RX3"),
732
733 SND_SOC_DAPM_INPUT("LPASS_PDM_TX"),
734
735 SND_SOC_DAPM_MIXER("RX1 MIX1", SND_SOC_NOPM, 0, 0, NULL, 0),
736 SND_SOC_DAPM_MIXER("RX2 MIX1", SND_SOC_NOPM, 0, 0, NULL, 0),
737 SND_SOC_DAPM_MIXER("RX3 MIX1", SND_SOC_NOPM, 0, 0, NULL, 0),
738
739 /* Interpolator */
740 SND_SOC_DAPM_MIXER_E("RX1 INT", LPASS_CDC_CLK_RX_B1_CTL, 0, 0, NULL,
741 0, msm8916_wcd_digital_enable_interpolator,
742 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
743 SND_SOC_DAPM_MIXER_E("RX2 INT", LPASS_CDC_CLK_RX_B1_CTL, 1, 0, NULL,
744 0, msm8916_wcd_digital_enable_interpolator,
745 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
746 SND_SOC_DAPM_MIXER_E("RX3 INT", LPASS_CDC_CLK_RX_B1_CTL, 2, 0, NULL,
747 0, msm8916_wcd_digital_enable_interpolator,
748 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
749 SND_SOC_DAPM_MUX("RX1 MIX1 INP1", SND_SOC_NOPM, 0, 0,
750 &rx_mix1_inp1_mux),
751 SND_SOC_DAPM_MUX("RX1 MIX1 INP2", SND_SOC_NOPM, 0, 0,
752 &rx_mix1_inp2_mux),
753 SND_SOC_DAPM_MUX("RX1 MIX1 INP3", SND_SOC_NOPM, 0, 0,
754 &rx_mix1_inp3_mux),
755 SND_SOC_DAPM_MUX("RX2 MIX1 INP1", SND_SOC_NOPM, 0, 0,
756 &rx2_mix1_inp1_mux),
757 SND_SOC_DAPM_MUX("RX2 MIX1 INP2", SND_SOC_NOPM, 0, 0,
758 &rx2_mix1_inp2_mux),
759 SND_SOC_DAPM_MUX("RX2 MIX1 INP3", SND_SOC_NOPM, 0, 0,
760 &rx2_mix1_inp3_mux),
761 SND_SOC_DAPM_MUX("RX3 MIX1 INP1", SND_SOC_NOPM, 0, 0,
762 &rx3_mix1_inp1_mux),
763 SND_SOC_DAPM_MUX("RX3 MIX1 INP2", SND_SOC_NOPM, 0, 0,
764 &rx3_mix1_inp2_mux),
765 SND_SOC_DAPM_MUX("RX3 MIX1 INP3", SND_SOC_NOPM, 0, 0,
766 &rx3_mix1_inp3_mux),
767 SND_SOC_DAPM_MUX("RX1 MIX2 INP1", SND_SOC_NOPM, 0, 0,
768 &rx1_mix2_inp1_mux),
769 SND_SOC_DAPM_MUX("RX2 MIX2 INP1", SND_SOC_NOPM, 0, 0,
770 &rx2_mix2_inp1_mux),
771
772 SND_SOC_DAPM_MUX("CIC1 MUX", SND_SOC_NOPM, 0, 0, &cic1_mux),
773 SND_SOC_DAPM_MUX("CIC2 MUX", SND_SOC_NOPM, 0, 0, &cic2_mux),
774 /* TX */
775 SND_SOC_DAPM_MIXER("ADC1", SND_SOC_NOPM, 0, 0, NULL, 0),
776 SND_SOC_DAPM_MIXER("ADC2", SND_SOC_NOPM, 0, 0, NULL, 0),
777 SND_SOC_DAPM_MIXER("ADC3", SND_SOC_NOPM, 0, 0, NULL, 0),
778
779 SND_SOC_DAPM_MUX_E("DEC1 MUX", LPASS_CDC_CLK_TX_CLK_EN_B1_CTL, 0, 0,
780 &dec1_mux, msm8916_wcd_digital_enable_dec,
781 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
782 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
783 SND_SOC_DAPM_MUX_E("DEC2 MUX", LPASS_CDC_CLK_TX_CLK_EN_B1_CTL, 1, 0,
784 &dec2_mux, msm8916_wcd_digital_enable_dec,
785 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
786 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
787 SND_SOC_DAPM_AIF_OUT("I2S TX1", NULL, 0, SND_SOC_NOPM, 0, 0),
788 SND_SOC_DAPM_AIF_OUT("I2S TX2", NULL, 0, SND_SOC_NOPM, 0, 0),
789 SND_SOC_DAPM_AIF_OUT("I2S TX3", NULL, 0, SND_SOC_NOPM, 0, 0),
790
791 /* Digital Mic Inputs */
792 SND_SOC_DAPM_ADC_E("DMIC1", NULL, SND_SOC_NOPM, 0, 0,
793 msm8916_wcd_digital_enable_dmic,
794 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
795 SND_SOC_DAPM_ADC_E("DMIC2", NULL, SND_SOC_NOPM, 0, 0,
796 msm8916_wcd_digital_enable_dmic,
797 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
798 SND_SOC_DAPM_SUPPLY("DMIC_CLK", LPASS_CDC_CLK_DMIC_B1_CTL, 0, 0,
799 NULL, 0),
800 SND_SOC_DAPM_SUPPLY("RX_I2S_CLK", LPASS_CDC_CLK_RX_I2S_CTL,
801 4, 0, NULL, 0),
802 SND_SOC_DAPM_SUPPLY("TX_I2S_CLK", LPASS_CDC_CLK_TX_I2S_CTL, 4, 0,
803 NULL, 0),
804
805 SND_SOC_DAPM_SUPPLY("MCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
806 SND_SOC_DAPM_SUPPLY("PDM_CLK", LPASS_CDC_CLK_PDM_CTL, 0, 0, NULL, 0),
807 /* Connectivity Clock */
808 SND_SOC_DAPM_SUPPLY_S("CDC_CONN", -2, LPASS_CDC_CLK_OTHR_CTL, 2, 0,
809 NULL, 0),
810 SND_SOC_DAPM_MIC("Digital Mic1", NULL),
811 SND_SOC_DAPM_MIC("Digital Mic2", NULL),
812
813 /* Sidetone */
814 SND_SOC_DAPM_MUX("IIR1 INP1 MUX", SND_SOC_NOPM, 0, 0, &iir1_inp1_mux),
815 SND_SOC_DAPM_PGA_E("IIR1", LPASS_CDC_CLK_SD_CTL, 0, 0, NULL, 0,
816 msm8x16_wcd_codec_set_iir_gain, SND_SOC_DAPM_POST_PMU),
817
818 SND_SOC_DAPM_MUX("IIR2 INP1 MUX", SND_SOC_NOPM, 0, 0, &iir2_inp1_mux),
819 SND_SOC_DAPM_PGA_E("IIR2", LPASS_CDC_CLK_SD_CTL, 1, 0, NULL, 0,
820 msm8x16_wcd_codec_set_iir_gain, SND_SOC_DAPM_POST_PMU),
821
822 };
823
824 static int msm8916_wcd_digital_get_clks(struct platform_device *pdev,
825 struct msm8916_wcd_digital_priv *priv)
826 {
827 struct device *dev = &pdev->dev;
828
829 priv->ahbclk = devm_clk_get(dev, "ahbix-clk");
830 if (IS_ERR(priv->ahbclk)) {
831 dev_err(dev, "failed to get ahbix clk\n");
832 return PTR_ERR(priv->ahbclk);
833 }
834
835 priv->mclk = devm_clk_get(dev, "mclk");
836 if (IS_ERR(priv->mclk)) {
837 dev_err(dev, "failed to get mclk\n");
838 return PTR_ERR(priv->mclk);
839 }
840
841 return 0;
842 }
843
844 static int msm8916_wcd_digital_component_probe(struct snd_soc_component *component)
845 {
846 struct msm8916_wcd_digital_priv *priv = dev_get_drvdata(component->dev);
847
848 snd_soc_component_set_drvdata(component, priv);
849
850 return 0;
851 }
852
853 static int msm8916_wcd_digital_component_set_sysclk(struct snd_soc_component *component,
854 int clk_id, int source,
855 unsigned int freq, int dir)
856 {
857 struct msm8916_wcd_digital_priv *p = dev_get_drvdata(component->dev);
858
859 return clk_set_rate(p->mclk, freq);
860 }
861
862 static int msm8916_wcd_digital_hw_params(struct snd_pcm_substream *substream,
863 struct snd_pcm_hw_params *params,
864 struct snd_soc_dai *dai)
865 {
866 u8 tx_fs_rate;
867 u8 rx_fs_rate;
868
869 switch (params_rate(params)) {
870 case 8000:
871 tx_fs_rate = TX_I2S_CTL_TX_I2S_FS_RATE_F_8_KHZ;
872 rx_fs_rate = RX_I2S_CTL_RX_I2S_FS_RATE_F_8_KHZ;
873 break;
874 case 16000:
875 tx_fs_rate = TX_I2S_CTL_TX_I2S_FS_RATE_F_16_KHZ;
876 rx_fs_rate = RX_I2S_CTL_RX_I2S_FS_RATE_F_16_KHZ;
877 break;
878 case 32000:
879 tx_fs_rate = TX_I2S_CTL_TX_I2S_FS_RATE_F_32_KHZ;
880 rx_fs_rate = RX_I2S_CTL_RX_I2S_FS_RATE_F_32_KHZ;
881 break;
882 case 48000:
883 tx_fs_rate = TX_I2S_CTL_TX_I2S_FS_RATE_F_48_KHZ;
884 rx_fs_rate = RX_I2S_CTL_RX_I2S_FS_RATE_F_48_KHZ;
885 break;
886 default:
887 dev_err(dai->component->dev, "Invalid sampling rate %d\n",
888 params_rate(params));
889 return -EINVAL;
890 }
891
892 switch (substream->stream) {
893 case SNDRV_PCM_STREAM_CAPTURE:
894 snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_TX_I2S_CTL,
895 TX_I2S_CTL_TX_I2S_FS_RATE_MASK, tx_fs_rate);
896 break;
897 case SNDRV_PCM_STREAM_PLAYBACK:
898 snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_RX_I2S_CTL,
899 RX_I2S_CTL_RX_I2S_FS_RATE_MASK, rx_fs_rate);
900 break;
901 default:
902 return -EINVAL;
903 }
904
905 switch (params_format(params)) {
906 case SNDRV_PCM_FORMAT_S16_LE:
907 snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_TX_I2S_CTL,
908 TX_I2S_CTL_TX_I2S_MODE_MASK,
909 TX_I2S_CTL_TX_I2S_MODE_16);
910 snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_RX_I2S_CTL,
911 RX_I2S_CTL_RX_I2S_MODE_MASK,
912 RX_I2S_CTL_RX_I2S_MODE_16);
913 break;
914
915 case SNDRV_PCM_FORMAT_S32_LE:
916 snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_TX_I2S_CTL,
917 TX_I2S_CTL_TX_I2S_MODE_MASK,
918 TX_I2S_CTL_TX_I2S_MODE_32);
919 snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_RX_I2S_CTL,
920 RX_I2S_CTL_RX_I2S_MODE_MASK,
921 RX_I2S_CTL_RX_I2S_MODE_32);
922 break;
923 default:
924 dev_err(dai->dev, "%s: wrong format selected\n", __func__);
925 return -EINVAL;
926 }
927
928 return 0;
929 }
930
931 static const struct snd_soc_dapm_route msm8916_wcd_digital_audio_map[] = {
932
933 {"I2S RX1", NULL, "AIF1 Playback"},
934 {"I2S RX2", NULL, "AIF1 Playback"},
935 {"I2S RX3", NULL, "AIF1 Playback"},
936
937 {"AIF1 Capture", NULL, "I2S TX1"},
938 {"AIF1 Capture", NULL, "I2S TX2"},
939 {"AIF1 Capture", NULL, "I2S TX3"},
940
941 {"CIC1 MUX", "DMIC", "DEC1 MUX"},
942 {"CIC1 MUX", "AMIC", "DEC1 MUX"},
943 {"CIC2 MUX", "DMIC", "DEC2 MUX"},
944 {"CIC2 MUX", "AMIC", "DEC2 MUX"},
945
946 /* Decimator Inputs */
947 {"DEC1 MUX", "DMIC1", "DMIC1"},
948 {"DEC1 MUX", "DMIC2", "DMIC2"},
949 {"DEC1 MUX", "ADC1", "ADC1"},
950 {"DEC1 MUX", "ADC2", "ADC2"},
951 {"DEC1 MUX", "ADC3", "ADC3"},
952 {"DEC1 MUX", NULL, "CDC_CONN"},
953
954 {"DEC2 MUX", "DMIC1", "DMIC1"},
955 {"DEC2 MUX", "DMIC2", "DMIC2"},
956 {"DEC2 MUX", "ADC1", "ADC1"},
957 {"DEC2 MUX", "ADC2", "ADC2"},
958 {"DEC2 MUX", "ADC3", "ADC3"},
959 {"DEC2 MUX", NULL, "CDC_CONN"},
960
961 {"DMIC1", NULL, "DMIC_CLK"},
962 {"DMIC2", NULL, "DMIC_CLK"},
963
964 {"I2S TX1", NULL, "CIC1 MUX"},
965 {"I2S TX2", NULL, "CIC2 MUX"},
966
967 {"I2S TX1", NULL, "TX_I2S_CLK"},
968 {"I2S TX2", NULL, "TX_I2S_CLK"},
969
970 {"TX_I2S_CLK", NULL, "MCLK"},
971 {"TX_I2S_CLK", NULL, "PDM_CLK"},
972
973 {"ADC1", NULL, "LPASS_PDM_TX"},
974 {"ADC2", NULL, "LPASS_PDM_TX"},
975 {"ADC3", NULL, "LPASS_PDM_TX"},
976
977 {"I2S RX1", NULL, "RX_I2S_CLK"},
978 {"I2S RX2", NULL, "RX_I2S_CLK"},
979 {"I2S RX3", NULL, "RX_I2S_CLK"},
980
981 {"RX_I2S_CLK", NULL, "PDM_CLK"},
982 {"RX_I2S_CLK", NULL, "MCLK"},
983 {"RX_I2S_CLK", NULL, "CDC_CONN"},
984
985 /* RX1 PATH.. */
986 {"PDM_RX1", NULL, "RX1 INT"},
987 {"RX1 INT", NULL, "RX1 MIX1"},
988
989 {"RX1 MIX1", NULL, "RX1 MIX1 INP1"},
990 {"RX1 MIX1", NULL, "RX1 MIX1 INP2"},
991 {"RX1 MIX1", NULL, "RX1 MIX1 INP3"},
992
993 {"RX1 MIX1 INP1", "RX1", "I2S RX1"},
994 {"RX1 MIX1 INP1", "RX2", "I2S RX2"},
995 {"RX1 MIX1 INP1", "RX3", "I2S RX3"},
996 {"RX1 MIX1 INP1", "IIR1", "IIR1"},
997 {"RX1 MIX1 INP1", "IIR2", "IIR2"},
998
999 {"RX1 MIX1 INP2", "RX1", "I2S RX1"},
1000 {"RX1 MIX1 INP2", "RX2", "I2S RX2"},
1001 {"RX1 MIX1 INP2", "RX3", "I2S RX3"},
1002 {"RX1 MIX1 INP2", "IIR1", "IIR1"},
1003 {"RX1 MIX1 INP2", "IIR2", "IIR2"},
1004
1005 {"RX1 MIX1 INP3", "RX1", "I2S RX1"},
1006 {"RX1 MIX1 INP3", "RX2", "I2S RX2"},
1007 {"RX1 MIX1 INP3", "RX3", "I2S RX3"},
1008
1009 /* RX2 PATH */
1010 {"PDM_RX2", NULL, "RX2 INT"},
1011 {"RX2 INT", NULL, "RX2 MIX1"},
1012
1013 {"RX2 MIX1", NULL, "RX2 MIX1 INP1"},
1014 {"RX2 MIX1", NULL, "RX2 MIX1 INP2"},
1015 {"RX2 MIX1", NULL, "RX2 MIX1 INP3"},
1016
1017 {"RX2 MIX1 INP1", "RX1", "I2S RX1"},
1018 {"RX2 MIX1 INP1", "RX2", "I2S RX2"},
1019 {"RX2 MIX1 INP1", "RX3", "I2S RX3"},
1020 {"RX2 MIX1 INP1", "IIR1", "IIR1"},
1021 {"RX2 MIX1 INP1", "IIR2", "IIR2"},
1022
1023 {"RX2 MIX1 INP2", "RX1", "I2S RX1"},
1024 {"RX2 MIX1 INP2", "RX2", "I2S RX2"},
1025 {"RX2 MIX1 INP2", "RX3", "I2S RX3"},
1026 {"RX2 MIX1 INP1", "IIR1", "IIR1"},
1027 {"RX2 MIX1 INP1", "IIR2", "IIR2"},
1028
1029 {"RX2 MIX1 INP3", "RX1", "I2S RX1"},
1030 {"RX2 MIX1 INP3", "RX2", "I2S RX2"},
1031 {"RX2 MIX1 INP3", "RX3", "I2S RX3"},
1032
1033 /* RX3 PATH */
1034 {"PDM_RX3", NULL, "RX3 INT"},
1035 {"RX3 INT", NULL, "RX3 MIX1"},
1036
1037 {"RX3 MIX1", NULL, "RX3 MIX1 INP1"},
1038 {"RX3 MIX1", NULL, "RX3 MIX1 INP2"},
1039 {"RX3 MIX1", NULL, "RX3 MIX1 INP3"},
1040
1041 {"RX3 MIX1 INP1", "RX1", "I2S RX1"},
1042 {"RX3 MIX1 INP1", "RX2", "I2S RX2"},
1043 {"RX3 MIX1 INP1", "RX3", "I2S RX3"},
1044 {"RX3 MIX1 INP1", "IIR1", "IIR1"},
1045 {"RX3 MIX1 INP1", "IIR2", "IIR2"},
1046
1047 {"RX3 MIX1 INP2", "RX1", "I2S RX1"},
1048 {"RX3 MIX1 INP2", "RX2", "I2S RX2"},
1049 {"RX3 MIX1 INP2", "RX3", "I2S RX3"},
1050 {"RX3 MIX1 INP2", "IIR1", "IIR1"},
1051 {"RX3 MIX1 INP2", "IIR2", "IIR2"},
1052
1053 {"RX1 MIX2 INP1", "IIR1", "IIR1"},
1054 {"RX2 MIX2 INP1", "IIR1", "IIR1"},
1055 {"RX1 MIX2 INP1", "IIR2", "IIR2"},
1056 {"RX2 MIX2 INP1", "IIR2", "IIR2"},
1057
1058 {"IIR1", NULL, "IIR1 INP1 MUX"},
1059 {"IIR1 INP1 MUX", "DEC1", "DEC1 MUX"},
1060 {"IIR1 INP1 MUX", "DEC2", "DEC2 MUX"},
1061
1062 {"IIR2", NULL, "IIR2 INP1 MUX"},
1063 {"IIR2 INP1 MUX", "DEC1", "DEC1 MUX"},
1064 {"IIR2 INP1 MUX", "DEC2", "DEC2 MUX"},
1065
1066 {"RX3 MIX1 INP3", "RX1", "I2S RX1"},
1067 {"RX3 MIX1 INP3", "RX2", "I2S RX2"},
1068 {"RX3 MIX1 INP3", "RX3", "I2S RX3"},
1069
1070 };
1071
1072 static int msm8916_wcd_digital_startup(struct snd_pcm_substream *substream,
1073 struct snd_soc_dai *dai)
1074 {
1075 struct snd_soc_component *component = dai->component;
1076 struct msm8916_wcd_digital_priv *msm8916_wcd;
1077 unsigned long mclk_rate;
1078
1079 msm8916_wcd = snd_soc_component_get_drvdata(component);
1080 snd_soc_component_update_bits(component, LPASS_CDC_CLK_MCLK_CTL,
1081 MCLK_CTL_MCLK_EN_MASK,
1082 MCLK_CTL_MCLK_EN_ENABLE);
1083 snd_soc_component_update_bits(component, LPASS_CDC_CLK_PDM_CTL,
1084 LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_MASK,
1085 LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_FB);
1086
1087 mclk_rate = clk_get_rate(msm8916_wcd->mclk);
1088 switch (mclk_rate) {
1089 case 12288000:
1090 snd_soc_component_update_bits(component, LPASS_CDC_TOP_CTL,
1091 TOP_CTL_DIG_MCLK_FREQ_MASK,
1092 TOP_CTL_DIG_MCLK_FREQ_F_12_288MHZ);
1093 break;
1094 case 9600000:
1095 snd_soc_component_update_bits(component, LPASS_CDC_TOP_CTL,
1096 TOP_CTL_DIG_MCLK_FREQ_MASK,
1097 TOP_CTL_DIG_MCLK_FREQ_F_9_6MHZ);
1098 break;
1099 default:
1100 dev_err(component->dev, "Invalid mclk rate %ld\n", mclk_rate);
1101 break;
1102 }
1103 return 0;
1104 }
1105
1106 static void msm8916_wcd_digital_shutdown(struct snd_pcm_substream *substream,
1107 struct snd_soc_dai *dai)
1108 {
1109 snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_PDM_CTL,
1110 LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_MASK, 0);
1111 }
1112
1113 static const struct snd_soc_dai_ops msm8916_wcd_digital_dai_ops = {
1114 .startup = msm8916_wcd_digital_startup,
1115 .shutdown = msm8916_wcd_digital_shutdown,
1116 .hw_params = msm8916_wcd_digital_hw_params,
1117 };
1118
1119 static struct snd_soc_dai_driver msm8916_wcd_digital_dai[] = {
1120 [0] = {
1121 .name = "msm8916_wcd_digital_i2s_rx1",
1122 .id = 0,
1123 .playback = {
1124 .stream_name = "AIF1 Playback",
1125 .rates = MSM8916_WCD_DIGITAL_RATES,
1126 .formats = MSM8916_WCD_DIGITAL_FORMATS,
1127 .channels_min = 1,
1128 .channels_max = 3,
1129 },
1130 .ops = &msm8916_wcd_digital_dai_ops,
1131 },
1132 [1] = {
1133 .name = "msm8916_wcd_digital_i2s_tx1",
1134 .id = 1,
1135 .capture = {
1136 .stream_name = "AIF1 Capture",
1137 .rates = MSM8916_WCD_DIGITAL_RATES,
1138 .formats = MSM8916_WCD_DIGITAL_FORMATS,
1139 .channels_min = 1,
1140 .channels_max = 4,
1141 },
1142 .ops = &msm8916_wcd_digital_dai_ops,
1143 },
1144 };
1145
1146 static const struct snd_soc_component_driver msm8916_wcd_digital = {
1147 .probe = msm8916_wcd_digital_component_probe,
1148 .set_sysclk = msm8916_wcd_digital_component_set_sysclk,
1149 .controls = msm8916_wcd_digital_snd_controls,
1150 .num_controls = ARRAY_SIZE(msm8916_wcd_digital_snd_controls),
1151 .dapm_widgets = msm8916_wcd_digital_dapm_widgets,
1152 .num_dapm_widgets = ARRAY_SIZE(msm8916_wcd_digital_dapm_widgets),
1153 .dapm_routes = msm8916_wcd_digital_audio_map,
1154 .num_dapm_routes = ARRAY_SIZE(msm8916_wcd_digital_audio_map),
1155 .idle_bias_on = 1,
1156 .use_pmdown_time = 1,
1157 .endianness = 1,
1158 .non_legacy_dai_naming = 1,
1159 };
1160
1161 static const struct regmap_config msm8916_codec_regmap_config = {
1162 .reg_bits = 32,
1163 .reg_stride = 4,
1164 .val_bits = 32,
1165 .max_register = LPASS_CDC_TX2_DMIC_CTL,
1166 .cache_type = REGCACHE_FLAT,
1167 };
1168
1169 static int msm8916_wcd_digital_probe(struct platform_device *pdev)
1170 {
1171 struct msm8916_wcd_digital_priv *priv;
1172 struct device *dev = &pdev->dev;
1173 void __iomem *base;
1174 struct regmap *digital_map;
1175 int ret;
1176
1177 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
1178 if (!priv)
1179 return -ENOMEM;
1180
1181 base = devm_platform_ioremap_resource(pdev, 0);
1182 if (IS_ERR(base))
1183 return PTR_ERR(base);
1184
1185 digital_map =
1186 devm_regmap_init_mmio(&pdev->dev, base,
1187 &msm8916_codec_regmap_config);
1188 if (IS_ERR(digital_map))
1189 return PTR_ERR(digital_map);
1190
1191 ret = msm8916_wcd_digital_get_clks(pdev, priv);
1192 if (ret < 0)
1193 return ret;
1194
1195 ret = clk_prepare_enable(priv->ahbclk);
1196 if (ret < 0) {
1197 dev_err(dev, "failed to enable ahbclk %d\n", ret);
1198 return ret;
1199 }
1200
1201 ret = clk_prepare_enable(priv->mclk);
1202 if (ret < 0) {
1203 dev_err(dev, "failed to enable mclk %d\n", ret);
1204 return ret;
1205 }
1206
1207 dev_set_drvdata(dev, priv);
1208
1209 return devm_snd_soc_register_component(dev, &msm8916_wcd_digital,
1210 msm8916_wcd_digital_dai,
1211 ARRAY_SIZE(msm8916_wcd_digital_dai));
1212 }
1213
1214 static int msm8916_wcd_digital_remove(struct platform_device *pdev)
1215 {
1216 struct msm8916_wcd_digital_priv *priv = dev_get_drvdata(&pdev->dev);
1217
1218 clk_disable_unprepare(priv->mclk);
1219 clk_disable_unprepare(priv->ahbclk);
1220
1221 return 0;
1222 }
1223
1224 static const struct of_device_id msm8916_wcd_digital_match_table[] = {
1225 { .compatible = "qcom,msm8916-wcd-digital-codec" },
1226 { }
1227 };
1228
1229 MODULE_DEVICE_TABLE(of, msm8916_wcd_digital_match_table);
1230
1231 static struct platform_driver msm8916_wcd_digital_driver = {
1232 .driver = {
1233 .name = "msm8916-wcd-digital-codec",
1234 .of_match_table = msm8916_wcd_digital_match_table,
1235 },
1236 .probe = msm8916_wcd_digital_probe,
1237 .remove = msm8916_wcd_digital_remove,
1238 };
1239
1240 module_platform_driver(msm8916_wcd_digital_driver);
1241
1242 MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>");
1243 MODULE_DESCRIPTION("MSM8916 WCD Digital Codec driver");
1244 MODULE_LICENSE("GPL v2");
Linux with added FPC-III support