max98396.c 62 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. // Copyright (c) 2022, Analog Devices Inc.
  3. #include <linux/gpio/consumer.h>
  4. #include <linux/i2c.h>
  5. #include <linux/module.h>
  6. #include <sound/pcm_params.h>
  7. #include <linux/regulator/consumer.h>
  8. #include <sound/soc.h>
  9. #include <linux/gpio.h>
  10. #include <sound/tlv.h>
  11. #include "max98396.h"
  12. static const char * const max98396_core_supplies[MAX98396_NUM_CORE_SUPPLIES] = {
  13. "avdd",
  14. "dvdd",
  15. "dvddio",
  16. };
  17. static struct reg_default max98396_reg[] = {
  18. {MAX98396_R2000_SW_RESET, 0x00},
  19. {MAX98396_R2001_INT_RAW1, 0x00},
  20. {MAX98396_R2002_INT_RAW2, 0x00},
  21. {MAX98396_R2003_INT_RAW3, 0x00},
  22. {MAX98396_R2004_INT_RAW4, 0x00},
  23. {MAX98396_R2006_INT_STATE1, 0x00},
  24. {MAX98396_R2007_INT_STATE2, 0x00},
  25. {MAX98396_R2008_INT_STATE3, 0x00},
  26. {MAX98396_R2009_INT_STATE4, 0x00},
  27. {MAX98396_R200B_INT_FLAG1, 0x00},
  28. {MAX98396_R200C_INT_FLAG2, 0x00},
  29. {MAX98396_R200D_INT_FLAG3, 0x00},
  30. {MAX98396_R200E_INT_FLAG4, 0x00},
  31. {MAX98396_R2010_INT_EN1, 0x02},
  32. {MAX98396_R2011_INT_EN2, 0x00},
  33. {MAX98396_R2012_INT_EN3, 0x00},
  34. {MAX98396_R2013_INT_EN4, 0x00},
  35. {MAX98396_R2015_INT_FLAG_CLR1, 0x00},
  36. {MAX98396_R2016_INT_FLAG_CLR2, 0x00},
  37. {MAX98396_R2017_INT_FLAG_CLR3, 0x00},
  38. {MAX98396_R2018_INT_FLAG_CLR4, 0x00},
  39. {MAX98396_R201F_IRQ_CTRL, 0x00},
  40. {MAX98396_R2020_THERM_WARN_THRESH, 0x46},
  41. {MAX98396_R2021_THERM_WARN_THRESH2, 0x46},
  42. {MAX98396_R2022_THERM_SHDN_THRESH, 0x64},
  43. {MAX98396_R2023_THERM_HYSTERESIS, 0x02},
  44. {MAX98396_R2024_THERM_FOLDBACK_SET, 0xC5},
  45. {MAX98396_R2027_THERM_FOLDBACK_EN, 0x01},
  46. {MAX98396_R2030_NOISEGATE_MODE_CTRL, 0x32},
  47. {MAX98396_R2033_NOISEGATE_MODE_EN, 0x00},
  48. {MAX98396_R2038_CLK_MON_CTRL, 0x00},
  49. {MAX98396_R2039_DATA_MON_CTRL, 0x00},
  50. {MAX98396_R203F_ENABLE_CTRLS, 0x0F},
  51. {MAX98396_R2040_PIN_CFG, 0x55},
  52. {MAX98396_R2041_PCM_MODE_CFG, 0xC0},
  53. {MAX98396_R2042_PCM_CLK_SETUP, 0x04},
  54. {MAX98396_R2043_PCM_SR_SETUP, 0x88},
  55. {MAX98396_R2044_PCM_TX_CTRL_1, 0x00},
  56. {MAX98396_R2045_PCM_TX_CTRL_2, 0x00},
  57. {MAX98396_R2046_PCM_TX_CTRL_3, 0x00},
  58. {MAX98396_R2047_PCM_TX_CTRL_4, 0x00},
  59. {MAX98396_R2048_PCM_TX_CTRL_5, 0x00},
  60. {MAX98396_R2049_PCM_TX_CTRL_6, 0x00},
  61. {MAX98396_R204A_PCM_TX_CTRL_7, 0x00},
  62. {MAX98396_R204B_PCM_TX_CTRL_8, 0x00},
  63. {MAX98396_R204C_PCM_TX_HIZ_CTRL_1, 0xFF},
  64. {MAX98396_R204D_PCM_TX_HIZ_CTRL_2, 0xFF},
  65. {MAX98396_R204E_PCM_TX_HIZ_CTRL_3, 0xFF},
  66. {MAX98396_R204F_PCM_TX_HIZ_CTRL_4, 0xFF},
  67. {MAX98396_R2050_PCM_TX_HIZ_CTRL_5, 0xFF},
  68. {MAX98396_R2051_PCM_TX_HIZ_CTRL_6, 0xFF},
  69. {MAX98396_R2052_PCM_TX_HIZ_CTRL_7, 0xFF},
  70. {MAX98396_R2053_PCM_TX_HIZ_CTRL_8, 0xFF},
  71. {MAX98396_R2055_PCM_RX_SRC1, 0x00},
  72. {MAX98396_R2056_PCM_RX_SRC2, 0x00},
  73. {MAX98396_R2058_PCM_BYPASS_SRC, 0x00},
  74. {MAX98396_R205D_PCM_TX_SRC_EN, 0x00},
  75. {MAX98396_R205E_PCM_RX_EN, 0x00},
  76. {MAX98396_R205F_PCM_TX_EN, 0x00},
  77. {MAX98396_R2070_ICC_RX_EN_A, 0x00},
  78. {MAX98396_R2071_ICC_RX_EN_B, 0x00},
  79. {MAX98396_R2072_ICC_TX_CTRL, 0x00},
  80. {MAX98396_R207F_ICC_EN, 0x00},
  81. {MAX98396_R2083_TONE_GEN_DC_CFG, 0x04},
  82. {MAX98396_R2084_TONE_GEN_DC_LVL1, 0x00},
  83. {MAX98396_R2085_TONE_GEN_DC_LVL2, 0x00},
  84. {MAX98396_R2086_TONE_GEN_DC_LVL3, 0x00},
  85. {MAX98396_R208F_TONE_GEN_EN, 0x00},
  86. {MAX98396_R2090_AMP_VOL_CTRL, 0x00},
  87. {MAX98396_R2091_AMP_PATH_GAIN, 0x0B},
  88. {MAX98396_R2092_AMP_DSP_CFG, 0x23},
  89. {MAX98396_R2093_SSM_CFG, 0x0D},
  90. {MAX98396_R2094_SPK_CLS_DG_THRESH, 0x12},
  91. {MAX98396_R2095_SPK_CLS_DG_HDR, 0x17},
  92. {MAX98396_R2096_SPK_CLS_DG_HOLD_TIME, 0x17},
  93. {MAX98396_R2097_SPK_CLS_DG_DELAY, 0x00},
  94. {MAX98396_R2098_SPK_CLS_DG_MODE, 0x00},
  95. {MAX98396_R2099_SPK_CLS_DG_VBAT_LVL, 0x03},
  96. {MAX98396_R209A_SPK_EDGE_CTRL, 0x00},
  97. {MAX98396_R209C_SPK_EDGE_CTRL1, 0x0A},
  98. {MAX98396_R209D_SPK_EDGE_CTRL2, 0xAA},
  99. {MAX98396_R209E_AMP_CLIP_GAIN, 0x00},
  100. {MAX98396_R209F_BYPASS_PATH_CFG, 0x00},
  101. {MAX98396_R20A0_AMP_SUPPLY_CTL, 0x00},
  102. {MAX98396_R20AF_AMP_EN, 0x00},
  103. {MAX98396_R20B0_ADC_SR, 0x30},
  104. {MAX98396_R20B1_ADC_PVDD_CFG, 0x00},
  105. {MAX98396_R20B2_ADC_VBAT_CFG, 0x00},
  106. {MAX98396_R20B3_ADC_THERMAL_CFG, 0x00},
  107. {MAX98396_R20B4_ADC_READBACK_CTRL1, 0x00},
  108. {MAX98396_R20B5_ADC_READBACK_CTRL2, 0x00},
  109. {MAX98396_R20B6_ADC_PVDD_READBACK_MSB, 0x00},
  110. {MAX98396_R20B7_ADC_PVDD_READBACK_LSB, 0x00},
  111. {MAX98396_R20B8_ADC_VBAT_READBACK_MSB, 0x00},
  112. {MAX98396_R20B9_ADC_VBAT_READBACK_LSB, 0x00},
  113. {MAX98396_R20BA_ADC_TEMP_READBACK_MSB, 0x00},
  114. {MAX98396_R20BB_ADC_TEMP_READBACK_LSB, 0x00},
  115. {MAX98396_R20BC_ADC_LO_PVDD_READBACK_MSB, 0x00},
  116. {MAX98396_R20BD_ADC_LO_PVDD_READBACK_LSB, 0x00},
  117. {MAX98396_R20BE_ADC_LO_VBAT_READBACK_MSB, 0x00},
  118. {MAX98396_R20BF_ADC_LO_VBAT_READBACK_LSB, 0x00},
  119. {MAX98396_R20C7_ADC_CFG, 0x00},
  120. {MAX98396_R20D0_DHT_CFG1, 0x00},
  121. {MAX98396_R20D1_LIMITER_CFG1, 0x08},
  122. {MAX98396_R20D2_LIMITER_CFG2, 0x00},
  123. {MAX98396_R20D3_DHT_CFG2, 0x14},
  124. {MAX98396_R20D4_DHT_CFG3, 0x02},
  125. {MAX98396_R20D5_DHT_CFG4, 0x04},
  126. {MAX98396_R20D6_DHT_HYSTERESIS_CFG, 0x07},
  127. {MAX98396_R20DF_DHT_EN, 0x00},
  128. {MAX98396_R20E0_IV_SENSE_PATH_CFG, 0x04},
  129. {MAX98396_R20E4_IV_SENSE_PATH_EN, 0x00},
  130. {MAX98396_R20E5_BPE_STATE, 0x00},
  131. {MAX98396_R20E6_BPE_L3_THRESH_MSB, 0x00},
  132. {MAX98396_R20E7_BPE_L3_THRESH_LSB, 0x00},
  133. {MAX98396_R20E8_BPE_L2_THRESH_MSB, 0x00},
  134. {MAX98396_R20E9_BPE_L2_THRESH_LSB, 0x00},
  135. {MAX98396_R20EA_BPE_L1_THRESH_MSB, 0x00},
  136. {MAX98396_R20EB_BPE_L1_THRESH_LSB, 0x00},
  137. {MAX98396_R20EC_BPE_L0_THRESH_MSB, 0x00},
  138. {MAX98396_R20ED_BPE_L0_THRESH_LSB, 0x00},
  139. {MAX98396_R20EE_BPE_L3_DWELL_HOLD_TIME, 0x00},
  140. {MAX98396_R20EF_BPE_L2_DWELL_HOLD_TIME, 0x00},
  141. {MAX98396_R20F0_BPE_L1_DWELL_HOLD_TIME, 0x00},
  142. {MAX98396_R20F1_BPE_L0_HOLD_TIME, 0x00},
  143. {MAX98396_R20F2_BPE_L3_ATTACK_REL_STEP, 0x00},
  144. {MAX98396_R20F3_BPE_L2_ATTACK_REL_STEP, 0x00},
  145. {MAX98396_R20F4_BPE_L1_ATTACK_REL_STEP, 0x00},
  146. {MAX98396_R20F5_BPE_L0_ATTACK_REL_STEP, 0x00},
  147. {MAX98396_R20F6_BPE_L3_MAX_GAIN_ATTN, 0x00},
  148. {MAX98396_R20F7_BPE_L2_MAX_GAIN_ATTN, 0x00},
  149. {MAX98396_R20F8_BPE_L1_MAX_GAIN_ATTN, 0x00},
  150. {MAX98396_R20F9_BPE_L0_MAX_GAIN_ATTN, 0x00},
  151. {MAX98396_R20FA_BPE_L3_ATT_REL_RATE, 0x00},
  152. {MAX98396_R20FB_BPE_L2_ATT_REL_RATE, 0x00},
  153. {MAX98396_R20FC_BPE_L1_ATT_REL_RATE, 0x00},
  154. {MAX98396_R20FD_BPE_L0_ATT_REL_RATE, 0x00},
  155. {MAX98396_R20FE_BPE_L3_LIMITER_CFG, 0x00},
  156. {MAX98396_R20FF_BPE_L2_LIMITER_CFG, 0x00},
  157. {MAX98396_R2100_BPE_L1_LIMITER_CFG, 0x00},
  158. {MAX98396_R2101_BPE_L0_LIMITER_CFG, 0x00},
  159. {MAX98396_R2102_BPE_L3_LIM_ATT_REL_RATE, 0x00},
  160. {MAX98396_R2103_BPE_L2_LIM_ATT_REL_RATE, 0x00},
  161. {MAX98396_R2104_BPE_L1_LIM_ATT_REL_RATE, 0x00},
  162. {MAX98396_R2105_BPE_L0_LIM_ATT_REL_RATE, 0x00},
  163. {MAX98396_R2106_BPE_THRESH_HYSTERESIS, 0x00},
  164. {MAX98396_R2107_BPE_INFINITE_HOLD_CLR, 0x00},
  165. {MAX98396_R2108_BPE_SUPPLY_SRC, 0x00},
  166. {MAX98396_R2109_BPE_LOW_STATE, 0x00},
  167. {MAX98396_R210A_BPE_LOW_GAIN, 0x00},
  168. {MAX98396_R210B_BPE_LOW_LIMITER, 0x00},
  169. {MAX98396_R210D_BPE_EN, 0x00},
  170. {MAX98396_R210E_AUTO_RESTART, 0x00},
  171. {MAX98396_R210F_GLOBAL_EN, 0x00},
  172. {MAX98396_R21FF_REVISION_ID, 0x00},
  173. };
  174. static struct reg_default max98397_reg[] = {
  175. {MAX98396_R2000_SW_RESET, 0x00},
  176. {MAX98396_R2001_INT_RAW1, 0x00},
  177. {MAX98396_R2002_INT_RAW2, 0x00},
  178. {MAX98396_R2003_INT_RAW3, 0x00},
  179. {MAX98396_R2004_INT_RAW4, 0x00},
  180. {MAX98396_R2006_INT_STATE1, 0x00},
  181. {MAX98396_R2007_INT_STATE2, 0x00},
  182. {MAX98396_R2008_INT_STATE3, 0x00},
  183. {MAX98396_R2009_INT_STATE4, 0x00},
  184. {MAX98396_R200B_INT_FLAG1, 0x00},
  185. {MAX98396_R200C_INT_FLAG2, 0x00},
  186. {MAX98396_R200D_INT_FLAG3, 0x00},
  187. {MAX98396_R200E_INT_FLAG4, 0x00},
  188. {MAX98396_R2010_INT_EN1, 0x02},
  189. {MAX98396_R2011_INT_EN2, 0x00},
  190. {MAX98396_R2012_INT_EN3, 0x00},
  191. {MAX98396_R2013_INT_EN4, 0x00},
  192. {MAX98396_R2015_INT_FLAG_CLR1, 0x00},
  193. {MAX98396_R2016_INT_FLAG_CLR2, 0x00},
  194. {MAX98396_R2017_INT_FLAG_CLR3, 0x00},
  195. {MAX98396_R2018_INT_FLAG_CLR4, 0x00},
  196. {MAX98396_R201F_IRQ_CTRL, 0x00},
  197. {MAX98396_R2020_THERM_WARN_THRESH, 0x46},
  198. {MAX98396_R2021_THERM_WARN_THRESH2, 0x46},
  199. {MAX98396_R2022_THERM_SHDN_THRESH, 0x64},
  200. {MAX98396_R2023_THERM_HYSTERESIS, 0x02},
  201. {MAX98396_R2024_THERM_FOLDBACK_SET, 0xC5},
  202. {MAX98396_R2027_THERM_FOLDBACK_EN, 0x01},
  203. {MAX98396_R2030_NOISEGATE_MODE_CTRL, 0x32},
  204. {MAX98396_R2033_NOISEGATE_MODE_EN, 0x00},
  205. {MAX98396_R2038_CLK_MON_CTRL, 0x00},
  206. {MAX98396_R2039_DATA_MON_CTRL, 0x00},
  207. {MAX98397_R203A_SPK_MON_THRESH, 0x03},
  208. {MAX98396_R203F_ENABLE_CTRLS, 0x0F},
  209. {MAX98396_R2040_PIN_CFG, 0x55},
  210. {MAX98396_R2041_PCM_MODE_CFG, 0xC0},
  211. {MAX98396_R2042_PCM_CLK_SETUP, 0x04},
  212. {MAX98396_R2043_PCM_SR_SETUP, 0x88},
  213. {MAX98396_R2044_PCM_TX_CTRL_1, 0x00},
  214. {MAX98396_R2045_PCM_TX_CTRL_2, 0x00},
  215. {MAX98396_R2046_PCM_TX_CTRL_3, 0x00},
  216. {MAX98396_R2047_PCM_TX_CTRL_4, 0x00},
  217. {MAX98396_R2048_PCM_TX_CTRL_5, 0x00},
  218. {MAX98396_R2049_PCM_TX_CTRL_6, 0x00},
  219. {MAX98396_R204A_PCM_TX_CTRL_7, 0x00},
  220. {MAX98396_R204B_PCM_TX_CTRL_8, 0x00},
  221. {MAX98397_R204C_PCM_TX_CTRL_9, 0x00},
  222. {MAX98397_R204D_PCM_TX_HIZ_CTRL_1, 0xFF},
  223. {MAX98397_R204E_PCM_TX_HIZ_CTRL_2, 0xFF},
  224. {MAX98397_R204F_PCM_TX_HIZ_CTRL_3, 0xFF},
  225. {MAX98397_R2050_PCM_TX_HIZ_CTRL_4, 0xFF},
  226. {MAX98397_R2051_PCM_TX_HIZ_CTRL_5, 0xFF},
  227. {MAX98397_R2052_PCM_TX_HIZ_CTRL_6, 0xFF},
  228. {MAX98397_R2053_PCM_TX_HIZ_CTRL_7, 0xFF},
  229. {MAX98397_R2054_PCM_TX_HIZ_CTRL_8, 0xFF},
  230. {MAX98397_R2056_PCM_RX_SRC1, 0x00},
  231. {MAX98397_R2057_PCM_RX_SRC2, 0x00},
  232. {MAX98396_R2058_PCM_BYPASS_SRC, 0x00},
  233. {MAX98396_R205D_PCM_TX_SRC_EN, 0x00},
  234. {MAX98396_R205E_PCM_RX_EN, 0x00},
  235. {MAX98396_R205F_PCM_TX_EN, 0x00},
  236. {MAX98397_R2060_PCM_TX_SUPPLY_SEL, 0x00},
  237. {MAX98396_R2070_ICC_RX_EN_A, 0x00},
  238. {MAX98396_R2071_ICC_RX_EN_B, 0x00},
  239. {MAX98396_R2072_ICC_TX_CTRL, 0x00},
  240. {MAX98396_R207F_ICC_EN, 0x00},
  241. {MAX98396_R2083_TONE_GEN_DC_CFG, 0x04},
  242. {MAX98396_R2084_TONE_GEN_DC_LVL1, 0x00},
  243. {MAX98396_R2085_TONE_GEN_DC_LVL2, 0x00},
  244. {MAX98396_R2086_TONE_GEN_DC_LVL3, 0x00},
  245. {MAX98396_R208F_TONE_GEN_EN, 0x00},
  246. {MAX98396_R2090_AMP_VOL_CTRL, 0x00},
  247. {MAX98396_R2091_AMP_PATH_GAIN, 0x12},
  248. {MAX98396_R2092_AMP_DSP_CFG, 0x22},
  249. {MAX98396_R2093_SSM_CFG, 0x08},
  250. {MAX98396_R2094_SPK_CLS_DG_THRESH, 0x12},
  251. {MAX98396_R2095_SPK_CLS_DG_HDR, 0x17},
  252. {MAX98396_R2096_SPK_CLS_DG_HOLD_TIME, 0x17},
  253. {MAX98396_R2097_SPK_CLS_DG_DELAY, 0x00},
  254. {MAX98396_R2098_SPK_CLS_DG_MODE, 0x00},
  255. {MAX98396_R2099_SPK_CLS_DG_VBAT_LVL, 0x03},
  256. {MAX98396_R209A_SPK_EDGE_CTRL, 0x00},
  257. {MAX98397_R209B_SPK_PATH_WB_ONLY, 0x00},
  258. {MAX98396_R209C_SPK_EDGE_CTRL1, 0x03},
  259. {MAX98396_R209D_SPK_EDGE_CTRL2, 0xFC},
  260. {MAX98396_R209E_AMP_CLIP_GAIN, 0x00},
  261. {MAX98396_R209F_BYPASS_PATH_CFG, 0x00},
  262. {MAX98396_R20AF_AMP_EN, 0x00},
  263. {MAX98396_R20B0_ADC_SR, 0x30},
  264. {MAX98396_R20B1_ADC_PVDD_CFG, 0x00},
  265. {MAX98396_R20B2_ADC_VBAT_CFG, 0x00},
  266. {MAX98396_R20B3_ADC_THERMAL_CFG, 0x00},
  267. {MAX98397_R20B4_ADC_VDDH_CFG, 0x00},
  268. {MAX98397_R20B5_ADC_READBACK_CTRL1, 0x00},
  269. {MAX98397_R20B6_ADC_READBACK_CTRL2, 0x00},
  270. {MAX98397_R20B7_ADC_PVDD_READBACK_MSB, 0x00},
  271. {MAX98397_R20B8_ADC_PVDD_READBACK_LSB, 0x00},
  272. {MAX98397_R20B9_ADC_VBAT_READBACK_MSB, 0x00},
  273. {MAX98397_R20BA_ADC_VBAT_READBACK_LSB, 0x00},
  274. {MAX98397_R20BB_ADC_TEMP_READBACK_MSB, 0x00},
  275. {MAX98397_R20BC_ADC_TEMP_READBACK_LSB, 0x00},
  276. {MAX98397_R20BD_ADC_VDDH__READBACK_MSB, 0x00},
  277. {MAX98397_R20BE_ADC_VDDH_READBACK_LSB, 0x00},
  278. {MAX98396_R20BF_ADC_LO_VBAT_READBACK_LSB, 0x00},
  279. {MAX98397_R20C3_ADC_LO_VDDH_READBACK_MSB, 0x00},
  280. {MAX98397_R20C4_ADC_LO_VDDH_READBACK_LSB, 0x00},
  281. {MAX98397_R20C5_MEAS_ADC_OPTIMAL_MODE, 0x04},
  282. {MAX98396_R20C7_ADC_CFG, 0x00},
  283. {MAX98396_R20D0_DHT_CFG1, 0x00},
  284. {MAX98396_R20D1_LIMITER_CFG1, 0x08},
  285. {MAX98396_R20D2_LIMITER_CFG2, 0x00},
  286. {MAX98396_R20D3_DHT_CFG2, 0x14},
  287. {MAX98396_R20D4_DHT_CFG3, 0x02},
  288. {MAX98396_R20D5_DHT_CFG4, 0x04},
  289. {MAX98396_R20D6_DHT_HYSTERESIS_CFG, 0x07},
  290. {MAX98396_R20DF_DHT_EN, 0x00},
  291. {MAX98396_R20E0_IV_SENSE_PATH_CFG, 0x04},
  292. {MAX98396_R20E4_IV_SENSE_PATH_EN, 0x00},
  293. {MAX98396_R20E5_BPE_STATE, 0x00},
  294. {MAX98396_R20E6_BPE_L3_THRESH_MSB, 0x00},
  295. {MAX98396_R20E7_BPE_L3_THRESH_LSB, 0x00},
  296. {MAX98396_R20E8_BPE_L2_THRESH_MSB, 0x00},
  297. {MAX98396_R20E9_BPE_L2_THRESH_LSB, 0x00},
  298. {MAX98396_R20EA_BPE_L1_THRESH_MSB, 0x00},
  299. {MAX98396_R20EB_BPE_L1_THRESH_LSB, 0x00},
  300. {MAX98396_R20EC_BPE_L0_THRESH_MSB, 0x00},
  301. {MAX98396_R20ED_BPE_L0_THRESH_LSB, 0x00},
  302. {MAX98396_R20EE_BPE_L3_DWELL_HOLD_TIME, 0x00},
  303. {MAX98396_R20EF_BPE_L2_DWELL_HOLD_TIME, 0x00},
  304. {MAX98396_R20F0_BPE_L1_DWELL_HOLD_TIME, 0x00},
  305. {MAX98396_R20F1_BPE_L0_HOLD_TIME, 0x00},
  306. {MAX98396_R20F2_BPE_L3_ATTACK_REL_STEP, 0x00},
  307. {MAX98396_R20F3_BPE_L2_ATTACK_REL_STEP, 0x00},
  308. {MAX98396_R20F4_BPE_L1_ATTACK_REL_STEP, 0x00},
  309. {MAX98396_R20F5_BPE_L0_ATTACK_REL_STEP, 0x00},
  310. {MAX98396_R20F6_BPE_L3_MAX_GAIN_ATTN, 0x00},
  311. {MAX98396_R20F7_BPE_L2_MAX_GAIN_ATTN, 0x00},
  312. {MAX98396_R20F8_BPE_L1_MAX_GAIN_ATTN, 0x00},
  313. {MAX98396_R20F9_BPE_L0_MAX_GAIN_ATTN, 0x00},
  314. {MAX98396_R20FA_BPE_L3_ATT_REL_RATE, 0x00},
  315. {MAX98396_R20FB_BPE_L2_ATT_REL_RATE, 0x00},
  316. {MAX98396_R20FC_BPE_L1_ATT_REL_RATE, 0x00},
  317. {MAX98396_R20FD_BPE_L0_ATT_REL_RATE, 0x00},
  318. {MAX98396_R20FE_BPE_L3_LIMITER_CFG, 0x00},
  319. {MAX98396_R20FF_BPE_L2_LIMITER_CFG, 0x00},
  320. {MAX98396_R2100_BPE_L1_LIMITER_CFG, 0x00},
  321. {MAX98396_R2101_BPE_L0_LIMITER_CFG, 0x00},
  322. {MAX98396_R2102_BPE_L3_LIM_ATT_REL_RATE, 0x00},
  323. {MAX98396_R2103_BPE_L2_LIM_ATT_REL_RATE, 0x00},
  324. {MAX98396_R2104_BPE_L1_LIM_ATT_REL_RATE, 0x00},
  325. {MAX98396_R2105_BPE_L0_LIM_ATT_REL_RATE, 0x00},
  326. {MAX98396_R2106_BPE_THRESH_HYSTERESIS, 0x00},
  327. {MAX98396_R2107_BPE_INFINITE_HOLD_CLR, 0x00},
  328. {MAX98396_R2108_BPE_SUPPLY_SRC, 0x00},
  329. {MAX98396_R2109_BPE_LOW_STATE, 0x00},
  330. {MAX98396_R210A_BPE_LOW_GAIN, 0x00},
  331. {MAX98396_R210B_BPE_LOW_LIMITER, 0x00},
  332. {MAX98396_R210D_BPE_EN, 0x00},
  333. {MAX98396_R210E_AUTO_RESTART, 0x00},
  334. {MAX98396_R210F_GLOBAL_EN, 0x00},
  335. {MAX98397_R22FF_REVISION_ID, 0x00},
  336. };
  337. static void max98396_global_enable_onoff(struct regmap *regmap, bool onoff)
  338. {
  339. regmap_write(regmap, MAX98396_R210F_GLOBAL_EN, onoff ? 1 : 0);
  340. usleep_range(11000, 12000);
  341. }
  342. static int max98396_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
  343. {
  344. struct snd_soc_component *component = codec_dai->component;
  345. struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component);
  346. unsigned int format_mask, format = 0;
  347. unsigned int bclk_pol = 0;
  348. int ret, status;
  349. int reg;
  350. bool update = false;
  351. format_mask = MAX98396_PCM_MODE_CFG_FORMAT_MASK |
  352. MAX98396_PCM_MODE_CFG_LRCLKEDGE;
  353. dev_dbg(component->dev, "%s: fmt 0x%08X\n", __func__, fmt);
  354. switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
  355. case SND_SOC_DAIFMT_NB_NF:
  356. break;
  357. case SND_SOC_DAIFMT_NB_IF:
  358. format = MAX98396_PCM_MODE_CFG_LRCLKEDGE;
  359. break;
  360. case SND_SOC_DAIFMT_IB_NF:
  361. bclk_pol = MAX98396_PCM_MODE_CFG_BCLKEDGE;
  362. break;
  363. case SND_SOC_DAIFMT_IB_IF:
  364. bclk_pol = MAX98396_PCM_MODE_CFG_BCLKEDGE;
  365. format = MAX98396_PCM_MODE_CFG_LRCLKEDGE;
  366. break;
  367. default:
  368. dev_err(component->dev, "DAI invert mode %d unsupported\n",
  369. fmt & SND_SOC_DAIFMT_INV_MASK);
  370. return -EINVAL;
  371. }
  372. /* interface format */
  373. switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
  374. case SND_SOC_DAIFMT_I2S:
  375. format |= MAX98396_PCM_FORMAT_I2S;
  376. break;
  377. case SND_SOC_DAIFMT_LEFT_J:
  378. format |= MAX98396_PCM_FORMAT_LJ;
  379. break;
  380. case SND_SOC_DAIFMT_DSP_A:
  381. format |= MAX98396_PCM_FORMAT_TDM_MODE1;
  382. break;
  383. case SND_SOC_DAIFMT_DSP_B:
  384. format |= MAX98396_PCM_FORMAT_TDM_MODE0;
  385. break;
  386. default:
  387. dev_err(component->dev, "DAI format %d unsupported\n",
  388. fmt & SND_SOC_DAIFMT_FORMAT_MASK);
  389. return -EINVAL;
  390. }
  391. ret = regmap_read(max98396->regmap, MAX98396_R210F_GLOBAL_EN, &status);
  392. if (ret < 0)
  393. return -EINVAL;
  394. if (status) {
  395. ret = regmap_read(max98396->regmap, MAX98396_R2041_PCM_MODE_CFG, &reg);
  396. if (ret < 0)
  397. return -EINVAL;
  398. if (format != (reg & format_mask)) {
  399. update = true;
  400. } else {
  401. ret = regmap_read(max98396->regmap,
  402. MAX98396_R2042_PCM_CLK_SETUP, &reg);
  403. if (ret < 0)
  404. return -EINVAL;
  405. if (bclk_pol != (reg & MAX98396_PCM_MODE_CFG_BCLKEDGE))
  406. update = true;
  407. }
  408. /* GLOBAL_EN OFF prior to pcm mode, clock configuration change */
  409. if (update)
  410. max98396_global_enable_onoff(max98396->regmap, false);
  411. }
  412. regmap_update_bits(max98396->regmap,
  413. MAX98396_R2041_PCM_MODE_CFG,
  414. format_mask, format);
  415. regmap_update_bits(max98396->regmap,
  416. MAX98396_R2042_PCM_CLK_SETUP,
  417. MAX98396_PCM_MODE_CFG_BCLKEDGE,
  418. bclk_pol);
  419. if (status && update)
  420. max98396_global_enable_onoff(max98396->regmap, true);
  421. return 0;
  422. }
  423. #define MAX98396_BSEL_32 0x2
  424. #define MAX98396_BSEL_48 0x3
  425. #define MAX98396_BSEL_64 0x4
  426. #define MAX98396_BSEL_96 0x5
  427. #define MAX98396_BSEL_128 0x6
  428. #define MAX98396_BSEL_192 0x7
  429. #define MAX98396_BSEL_256 0x8
  430. #define MAX98396_BSEL_384 0x9
  431. #define MAX98396_BSEL_512 0xa
  432. #define MAX98396_BSEL_320 0xb
  433. #define MAX98396_BSEL_250 0xc
  434. #define MAX98396_BSEL_125 0xd
  435. /* Refer to table 5 in the datasheet */
  436. static const struct max98396_pcm_config {
  437. int in, out, width, bsel, max_sr;
  438. } max98396_pcm_configs[] = {
  439. { .in = 2, .out = 4, .width = 16, .bsel = MAX98396_BSEL_32, .max_sr = 192000 },
  440. { .in = 2, .out = 6, .width = 24, .bsel = MAX98396_BSEL_48, .max_sr = 192000 },
  441. { .in = 2, .out = 8, .width = 32, .bsel = MAX98396_BSEL_64, .max_sr = 192000 },
  442. { .in = 3, .out = 15, .width = 32, .bsel = MAX98396_BSEL_125, .max_sr = 192000 },
  443. { .in = 4, .out = 8, .width = 16, .bsel = MAX98396_BSEL_64, .max_sr = 192000 },
  444. { .in = 4, .out = 12, .width = 24, .bsel = MAX98396_BSEL_96, .max_sr = 192000 },
  445. { .in = 4, .out = 16, .width = 32, .bsel = MAX98396_BSEL_128, .max_sr = 192000 },
  446. { .in = 5, .out = 15, .width = 24, .bsel = MAX98396_BSEL_125, .max_sr = 192000 },
  447. { .in = 7, .out = 15, .width = 16, .bsel = MAX98396_BSEL_125, .max_sr = 192000 },
  448. { .in = 2, .out = 4, .width = 16, .bsel = MAX98396_BSEL_32, .max_sr = 96000 },
  449. { .in = 2, .out = 6, .width = 24, .bsel = MAX98396_BSEL_48, .max_sr = 96000 },
  450. { .in = 2, .out = 8, .width = 32, .bsel = MAX98396_BSEL_64, .max_sr = 96000 },
  451. { .in = 3, .out = 15, .width = 32, .bsel = MAX98396_BSEL_125, .max_sr = 96000 },
  452. { .in = 4, .out = 8, .width = 16, .bsel = MAX98396_BSEL_64, .max_sr = 96000 },
  453. { .in = 4, .out = 12, .width = 24, .bsel = MAX98396_BSEL_96, .max_sr = 96000 },
  454. { .in = 4, .out = 16, .width = 32, .bsel = MAX98396_BSEL_128, .max_sr = 96000 },
  455. { .in = 5, .out = 15, .width = 24, .bsel = MAX98396_BSEL_125, .max_sr = 96000 },
  456. { .in = 7, .out = 15, .width = 16, .bsel = MAX98396_BSEL_125, .max_sr = 96000 },
  457. { .in = 7, .out = 31, .width = 32, .bsel = MAX98396_BSEL_250, .max_sr = 96000 },
  458. { .in = 8, .out = 16, .width = 16, .bsel = MAX98396_BSEL_128, .max_sr = 96000 },
  459. { .in = 8, .out = 24, .width = 24, .bsel = MAX98396_BSEL_192, .max_sr = 96000 },
  460. { .in = 8, .out = 32, .width = 32, .bsel = MAX98396_BSEL_256, .max_sr = 96000 },
  461. { .in = 10, .out = 31, .width = 24, .bsel = MAX98396_BSEL_250, .max_sr = 96000 },
  462. { .in = 15, .out = 31, .width = 16, .bsel = MAX98396_BSEL_250, .max_sr = 96000 },
  463. { .in = 16, .out = 32, .width = 16, .bsel = MAX98396_BSEL_256, .max_sr = 96000 },
  464. { .in = 7, .out = 31, .width = 32, .bsel = MAX98396_BSEL_250, .max_sr = 48000 },
  465. { .in = 10, .out = 31, .width = 24, .bsel = MAX98396_BSEL_250, .max_sr = 48000 },
  466. { .in = 10, .out = 40, .width = 32, .bsel = MAX98396_BSEL_320, .max_sr = 48000 },
  467. { .in = 15, .out = 31, .width = 16, .bsel = MAX98396_BSEL_250, .max_sr = 48000 },
  468. { .in = 16, .out = 48, .width = 24, .bsel = MAX98396_BSEL_384, .max_sr = 48000 },
  469. { .in = 16, .out = 64, .width = 32, .bsel = MAX98396_BSEL_512, .max_sr = 48000 },
  470. };
  471. static int max98396_pcm_config_index(int in_slots, int out_slots, int width)
  472. {
  473. int i;
  474. for (i = 0; i < ARRAY_SIZE(max98396_pcm_configs); i++) {
  475. const struct max98396_pcm_config *c = &max98396_pcm_configs[i];
  476. if (in_slots == c->in && out_slots <= c->out && width == c->width)
  477. return i;
  478. }
  479. return -1;
  480. }
  481. static int max98396_dai_hw_params(struct snd_pcm_substream *substream,
  482. struct snd_pcm_hw_params *params,
  483. struct snd_soc_dai *dai)
  484. {
  485. struct snd_soc_component *component = dai->component;
  486. struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component);
  487. unsigned int sampling_rate = 0;
  488. unsigned int chan_sz = 0;
  489. int ret, reg, status, bsel = 0;
  490. bool update = false;
  491. /* pcm mode configuration */
  492. switch (snd_pcm_format_width(params_format(params))) {
  493. case 16:
  494. chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_16;
  495. break;
  496. case 24:
  497. chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_24;
  498. break;
  499. case 32:
  500. chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_32;
  501. break;
  502. default:
  503. dev_err(component->dev, "format unsupported %d\n",
  504. params_format(params));
  505. goto err;
  506. }
  507. dev_dbg(component->dev, "format supported %d",
  508. params_format(params));
  509. /* sampling rate configuration */
  510. switch (params_rate(params)) {
  511. case 8000:
  512. sampling_rate = MAX98396_PCM_SR_8000;
  513. break;
  514. case 11025:
  515. sampling_rate = MAX98396_PCM_SR_11025;
  516. break;
  517. case 12000:
  518. sampling_rate = MAX98396_PCM_SR_12000;
  519. break;
  520. case 16000:
  521. sampling_rate = MAX98396_PCM_SR_16000;
  522. break;
  523. case 22050:
  524. sampling_rate = MAX98396_PCM_SR_22050;
  525. break;
  526. case 24000:
  527. sampling_rate = MAX98396_PCM_SR_24000;
  528. break;
  529. case 32000:
  530. sampling_rate = MAX98396_PCM_SR_32000;
  531. break;
  532. case 44100:
  533. sampling_rate = MAX98396_PCM_SR_44100;
  534. break;
  535. case 48000:
  536. sampling_rate = MAX98396_PCM_SR_48000;
  537. break;
  538. case 88200:
  539. sampling_rate = MAX98396_PCM_SR_88200;
  540. break;
  541. case 96000:
  542. sampling_rate = MAX98396_PCM_SR_96000;
  543. break;
  544. case 192000:
  545. sampling_rate = MAX98396_PCM_SR_192000;
  546. break;
  547. default:
  548. dev_err(component->dev, "rate %d not supported\n",
  549. params_rate(params));
  550. goto err;
  551. }
  552. if (max98396->tdm_mode) {
  553. if (params_rate(params) > max98396->tdm_max_samplerate) {
  554. dev_err(component->dev, "TDM sample rate %d too high",
  555. params_rate(params));
  556. goto err;
  557. }
  558. } else {
  559. /* BCLK configuration */
  560. ret = max98396_pcm_config_index(params_channels(params),
  561. params_channels(params),
  562. snd_pcm_format_width(params_format(params)));
  563. if (ret < 0) {
  564. dev_err(component->dev,
  565. "no PCM config for %d channels, format %d\n",
  566. params_channels(params), params_format(params));
  567. goto err;
  568. }
  569. bsel = max98396_pcm_configs[ret].bsel;
  570. if (params_rate(params) > max98396_pcm_configs[ret].max_sr) {
  571. dev_err(component->dev, "sample rate %d too high",
  572. params_rate(params));
  573. goto err;
  574. }
  575. }
  576. ret = regmap_read(max98396->regmap, MAX98396_R210F_GLOBAL_EN, &status);
  577. if (ret < 0)
  578. goto err;
  579. if (status) {
  580. ret = regmap_read(max98396->regmap, MAX98396_R2041_PCM_MODE_CFG, &reg);
  581. if (ret < 0)
  582. goto err;
  583. if (chan_sz != (reg & MAX98396_PCM_MODE_CFG_CHANSZ_MASK)) {
  584. update = true;
  585. } else {
  586. ret = regmap_read(max98396->regmap, MAX98396_R2043_PCM_SR_SETUP, &reg);
  587. if (ret < 0)
  588. goto err;
  589. if (sampling_rate != (reg & MAX98396_PCM_SR_MASK))
  590. update = true;
  591. }
  592. /* GLOBAL_EN OFF prior to channel size and sampling rate change */
  593. if (update)
  594. max98396_global_enable_onoff(max98396->regmap, false);
  595. }
  596. /* set channel size */
  597. regmap_update_bits(max98396->regmap, MAX98396_R2041_PCM_MODE_CFG,
  598. MAX98396_PCM_MODE_CFG_CHANSZ_MASK, chan_sz);
  599. /* set DAI_SR to correct LRCLK frequency */
  600. regmap_update_bits(max98396->regmap, MAX98396_R2043_PCM_SR_SETUP,
  601. MAX98396_PCM_SR_MASK, sampling_rate);
  602. /* set sampling rate of IV */
  603. if (max98396->interleave_mode &&
  604. sampling_rate > MAX98396_PCM_SR_16000)
  605. regmap_update_bits(max98396->regmap,
  606. MAX98396_R2043_PCM_SR_SETUP,
  607. MAX98396_IVADC_SR_MASK,
  608. (sampling_rate - 3)
  609. << MAX98396_IVADC_SR_SHIFT);
  610. else
  611. regmap_update_bits(max98396->regmap,
  612. MAX98396_R2043_PCM_SR_SETUP,
  613. MAX98396_IVADC_SR_MASK,
  614. sampling_rate << MAX98396_IVADC_SR_SHIFT);
  615. if (bsel)
  616. regmap_update_bits(max98396->regmap,
  617. MAX98396_R2042_PCM_CLK_SETUP,
  618. MAX98396_PCM_CLK_SETUP_BSEL_MASK,
  619. bsel);
  620. if (status && update)
  621. max98396_global_enable_onoff(max98396->regmap, true);
  622. return 0;
  623. err:
  624. return -EINVAL;
  625. }
  626. static int max98396_dai_tdm_slot(struct snd_soc_dai *dai,
  627. unsigned int tx_mask, unsigned int rx_mask,
  628. int slots, int slot_width)
  629. {
  630. struct snd_soc_component *component = dai->component;
  631. struct max98396_priv *max98396 =
  632. snd_soc_component_get_drvdata(component);
  633. int bsel;
  634. unsigned int chan_sz = 0;
  635. int ret, status;
  636. int reg;
  637. bool update = false;
  638. if (!tx_mask && !rx_mask && !slots && !slot_width)
  639. max98396->tdm_mode = false;
  640. else
  641. max98396->tdm_mode = true;
  642. /* BCLK configuration */
  643. ret = max98396_pcm_config_index(slots, slots, slot_width);
  644. if (ret < 0) {
  645. dev_err(component->dev, "no TDM config for %d slots %d bits\n",
  646. slots, slot_width);
  647. return -EINVAL;
  648. }
  649. bsel = max98396_pcm_configs[ret].bsel;
  650. max98396->tdm_max_samplerate = max98396_pcm_configs[ret].max_sr;
  651. /* Channel size configuration */
  652. switch (slot_width) {
  653. case 16:
  654. chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_16;
  655. break;
  656. case 24:
  657. chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_24;
  658. break;
  659. case 32:
  660. chan_sz = MAX98396_PCM_MODE_CFG_CHANSZ_32;
  661. break;
  662. default:
  663. dev_err(component->dev, "slot width %d unsupported\n",
  664. slot_width);
  665. return -EINVAL;
  666. }
  667. ret = regmap_read(max98396->regmap, MAX98396_R210F_GLOBAL_EN, &status);
  668. if (ret < 0)
  669. return -EINVAL;
  670. if (status) {
  671. ret = regmap_read(max98396->regmap, MAX98396_R2042_PCM_CLK_SETUP, &reg);
  672. if (ret < 0)
  673. return -EINVAL;
  674. if (bsel != (reg & MAX98396_PCM_CLK_SETUP_BSEL_MASK)) {
  675. update = true;
  676. } else {
  677. ret = regmap_read(max98396->regmap, MAX98396_R2041_PCM_MODE_CFG, &reg);
  678. if (ret < 0)
  679. return -EINVAL;
  680. if (chan_sz != (reg & MAX98396_PCM_MODE_CFG_CHANSZ_MASK))
  681. update = true;
  682. }
  683. /* GLOBAL_EN OFF prior to channel size and BCLK per LRCLK change */
  684. if (update)
  685. max98396_global_enable_onoff(max98396->regmap, false);
  686. }
  687. regmap_update_bits(max98396->regmap,
  688. MAX98396_R2042_PCM_CLK_SETUP,
  689. MAX98396_PCM_CLK_SETUP_BSEL_MASK,
  690. bsel);
  691. regmap_update_bits(max98396->regmap,
  692. MAX98396_R2041_PCM_MODE_CFG,
  693. MAX98396_PCM_MODE_CFG_CHANSZ_MASK, chan_sz);
  694. /* Rx slot configuration */
  695. if (max98396->device_id == CODEC_TYPE_MAX98396) {
  696. regmap_update_bits(max98396->regmap,
  697. MAX98396_R2056_PCM_RX_SRC2,
  698. MAX98396_PCM_DMIX_CH0_SRC_MASK,
  699. rx_mask);
  700. regmap_update_bits(max98396->regmap,
  701. MAX98396_R2056_PCM_RX_SRC2,
  702. MAX98396_PCM_DMIX_CH1_SRC_MASK,
  703. rx_mask << MAX98396_PCM_DMIX_CH1_SHIFT);
  704. } else {
  705. regmap_update_bits(max98396->regmap,
  706. MAX98397_R2057_PCM_RX_SRC2,
  707. MAX98396_PCM_DMIX_CH0_SRC_MASK,
  708. rx_mask);
  709. regmap_update_bits(max98396->regmap,
  710. MAX98397_R2057_PCM_RX_SRC2,
  711. MAX98396_PCM_DMIX_CH1_SRC_MASK,
  712. rx_mask << MAX98396_PCM_DMIX_CH1_SHIFT);
  713. }
  714. /* Tx slot Hi-Z configuration */
  715. if (max98396->device_id == CODEC_TYPE_MAX98396) {
  716. regmap_write(max98396->regmap,
  717. MAX98396_R2053_PCM_TX_HIZ_CTRL_8,
  718. ~tx_mask & 0xFF);
  719. regmap_write(max98396->regmap,
  720. MAX98396_R2052_PCM_TX_HIZ_CTRL_7,
  721. (~tx_mask & 0xFF00) >> 8);
  722. } else {
  723. regmap_write(max98396->regmap,
  724. MAX98397_R2054_PCM_TX_HIZ_CTRL_8,
  725. ~tx_mask & 0xFF);
  726. regmap_write(max98396->regmap,
  727. MAX98397_R2053_PCM_TX_HIZ_CTRL_7,
  728. (~tx_mask & 0xFF00) >> 8);
  729. }
  730. if (status && update)
  731. max98396_global_enable_onoff(max98396->regmap, true);
  732. return 0;
  733. }
  734. #define MAX98396_RATES SNDRV_PCM_RATE_8000_192000
  735. #define MAX98396_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
  736. SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
  737. static const struct snd_soc_dai_ops max98396_dai_ops = {
  738. .set_fmt = max98396_dai_set_fmt,
  739. .hw_params = max98396_dai_hw_params,
  740. .set_tdm_slot = max98396_dai_tdm_slot,
  741. };
  742. static int max98396_dac_event(struct snd_soc_dapm_widget *w,
  743. struct snd_kcontrol *kcontrol, int event)
  744. {
  745. struct snd_soc_component *component =
  746. snd_soc_dapm_to_component(w->dapm);
  747. struct max98396_priv *max98396 =
  748. snd_soc_component_get_drvdata(component);
  749. switch (event) {
  750. case SND_SOC_DAPM_POST_PMU:
  751. max98396_global_enable_onoff(max98396->regmap, true);
  752. break;
  753. case SND_SOC_DAPM_PRE_PMD:
  754. max98396_global_enable_onoff(max98396->regmap, false);
  755. max98396->tdm_mode = false;
  756. break;
  757. default:
  758. return 0;
  759. }
  760. return 0;
  761. }
  762. static bool max98396_readable_register(struct device *dev, unsigned int reg)
  763. {
  764. switch (reg) {
  765. case MAX98396_R2001_INT_RAW1 ... MAX98396_R2004_INT_RAW4:
  766. case MAX98396_R2006_INT_STATE1 ... MAX98396_R2009_INT_STATE4:
  767. case MAX98396_R200B_INT_FLAG1 ... MAX98396_R200E_INT_FLAG4:
  768. case MAX98396_R2010_INT_EN1 ... MAX98396_R2013_INT_EN4:
  769. case MAX98396_R2015_INT_FLAG_CLR1 ... MAX98396_R2018_INT_FLAG_CLR4:
  770. case MAX98396_R201F_IRQ_CTRL ... MAX98396_R2024_THERM_FOLDBACK_SET:
  771. case MAX98396_R2027_THERM_FOLDBACK_EN:
  772. case MAX98396_R2030_NOISEGATE_MODE_CTRL:
  773. case MAX98396_R2033_NOISEGATE_MODE_EN:
  774. case MAX98396_R2038_CLK_MON_CTRL ... MAX98396_R2039_DATA_MON_CTRL:
  775. case MAX98396_R203F_ENABLE_CTRLS ... MAX98396_R2053_PCM_TX_HIZ_CTRL_8:
  776. case MAX98396_R2055_PCM_RX_SRC1 ... MAX98396_R2056_PCM_RX_SRC2:
  777. case MAX98396_R2058_PCM_BYPASS_SRC:
  778. case MAX98396_R205D_PCM_TX_SRC_EN ... MAX98396_R205F_PCM_TX_EN:
  779. case MAX98396_R2070_ICC_RX_EN_A... MAX98396_R2072_ICC_TX_CTRL:
  780. case MAX98396_R207F_ICC_EN:
  781. case MAX98396_R2083_TONE_GEN_DC_CFG ... MAX98396_R2086_TONE_GEN_DC_LVL3:
  782. case MAX98396_R208F_TONE_GEN_EN ... MAX98396_R209A_SPK_EDGE_CTRL:
  783. case MAX98396_R209C_SPK_EDGE_CTRL1 ... MAX98396_R20A0_AMP_SUPPLY_CTL:
  784. case MAX98396_R20AF_AMP_EN ... MAX98396_R20BF_ADC_LO_VBAT_READBACK_LSB:
  785. case MAX98396_R20C7_ADC_CFG:
  786. case MAX98396_R20D0_DHT_CFG1 ... MAX98396_R20D6_DHT_HYSTERESIS_CFG:
  787. case MAX98396_R20DF_DHT_EN:
  788. case MAX98396_R20E0_IV_SENSE_PATH_CFG:
  789. case MAX98396_R20E4_IV_SENSE_PATH_EN
  790. ... MAX98396_R2106_BPE_THRESH_HYSTERESIS:
  791. case MAX98396_R2108_BPE_SUPPLY_SRC ... MAX98396_R210B_BPE_LOW_LIMITER:
  792. case MAX98396_R210D_BPE_EN ... MAX98396_R210F_GLOBAL_EN:
  793. case MAX98396_R21FF_REVISION_ID:
  794. return true;
  795. default:
  796. return false;
  797. }
  798. };
  799. static bool max98396_volatile_reg(struct device *dev, unsigned int reg)
  800. {
  801. switch (reg) {
  802. case MAX98396_R2000_SW_RESET:
  803. case MAX98396_R2001_INT_RAW1 ... MAX98396_R200E_INT_FLAG4:
  804. case MAX98396_R2041_PCM_MODE_CFG:
  805. case MAX98396_R20B6_ADC_PVDD_READBACK_MSB
  806. ... MAX98396_R20BF_ADC_LO_VBAT_READBACK_LSB:
  807. case MAX98396_R20E5_BPE_STATE:
  808. case MAX98396_R2109_BPE_LOW_STATE
  809. ... MAX98396_R210B_BPE_LOW_LIMITER:
  810. case MAX98396_R210F_GLOBAL_EN:
  811. case MAX98396_R21FF_REVISION_ID:
  812. return true;
  813. default:
  814. return false;
  815. }
  816. }
  817. static bool max98397_readable_register(struct device *dev, unsigned int reg)
  818. {
  819. switch (reg) {
  820. case MAX98396_R2001_INT_RAW1 ... MAX98396_R2004_INT_RAW4:
  821. case MAX98396_R2006_INT_STATE1 ... MAX98396_R2009_INT_STATE4:
  822. case MAX98396_R200B_INT_FLAG1 ... MAX98396_R200E_INT_FLAG4:
  823. case MAX98396_R2010_INT_EN1 ... MAX98396_R2013_INT_EN4:
  824. case MAX98396_R2015_INT_FLAG_CLR1 ... MAX98396_R2018_INT_FLAG_CLR4:
  825. case MAX98396_R201F_IRQ_CTRL ... MAX98396_R2024_THERM_FOLDBACK_SET:
  826. case MAX98396_R2027_THERM_FOLDBACK_EN:
  827. case MAX98396_R2030_NOISEGATE_MODE_CTRL:
  828. case MAX98396_R2033_NOISEGATE_MODE_EN:
  829. case MAX98396_R2038_CLK_MON_CTRL ... MAX98397_R203A_SPK_MON_THRESH:
  830. case MAX98396_R203F_ENABLE_CTRLS ... MAX98397_R2054_PCM_TX_HIZ_CTRL_8:
  831. case MAX98397_R2056_PCM_RX_SRC1... MAX98396_R2058_PCM_BYPASS_SRC:
  832. case MAX98396_R205D_PCM_TX_SRC_EN ... MAX98397_R2060_PCM_TX_SUPPLY_SEL:
  833. case MAX98396_R2070_ICC_RX_EN_A... MAX98396_R2072_ICC_TX_CTRL:
  834. case MAX98396_R207F_ICC_EN:
  835. case MAX98396_R2083_TONE_GEN_DC_CFG ... MAX98396_R2086_TONE_GEN_DC_LVL3:
  836. case MAX98396_R208F_TONE_GEN_EN ... MAX98396_R209F_BYPASS_PATH_CFG:
  837. case MAX98396_R20AF_AMP_EN ... MAX98397_R20C5_MEAS_ADC_OPTIMAL_MODE:
  838. case MAX98396_R20C7_ADC_CFG:
  839. case MAX98396_R20D0_DHT_CFG1 ... MAX98396_R20D6_DHT_HYSTERESIS_CFG:
  840. case MAX98396_R20DF_DHT_EN:
  841. case MAX98396_R20E0_IV_SENSE_PATH_CFG:
  842. case MAX98396_R20E4_IV_SENSE_PATH_EN
  843. ... MAX98396_R2106_BPE_THRESH_HYSTERESIS:
  844. case MAX98396_R2108_BPE_SUPPLY_SRC ... MAX98396_R210B_BPE_LOW_LIMITER:
  845. case MAX98396_R210D_BPE_EN ... MAX98396_R210F_GLOBAL_EN:
  846. case MAX98397_R22FF_REVISION_ID:
  847. return true;
  848. default:
  849. return false;
  850. }
  851. };
  852. static bool max98397_volatile_reg(struct device *dev, unsigned int reg)
  853. {
  854. switch (reg) {
  855. case MAX98396_R2001_INT_RAW1 ... MAX98396_R200E_INT_FLAG4:
  856. case MAX98396_R2041_PCM_MODE_CFG:
  857. case MAX98397_R20B7_ADC_PVDD_READBACK_MSB
  858. ... MAX98397_R20C4_ADC_LO_VDDH_READBACK_LSB:
  859. case MAX98396_R20E5_BPE_STATE:
  860. case MAX98396_R2109_BPE_LOW_STATE
  861. ... MAX98396_R210B_BPE_LOW_LIMITER:
  862. case MAX98396_R210F_GLOBAL_EN:
  863. case MAX98397_R22FF_REVISION_ID:
  864. return true;
  865. default:
  866. return false;
  867. }
  868. }
  869. static const char * const max98396_op_mod_text[] = {
  870. "DG", "PVDD", "VBAT",
  871. };
  872. static SOC_ENUM_SINGLE_DECL(max98396_op_mod_enum,
  873. MAX98396_R2098_SPK_CLS_DG_MODE,
  874. 0, max98396_op_mod_text);
  875. static DECLARE_TLV_DB_SCALE(max98396_digital_tlv, -6350, 50, 1);
  876. static const DECLARE_TLV_DB_RANGE(max98396_spk_tlv,
  877. 0, 0x11, TLV_DB_SCALE_ITEM(400, 100, 0),
  878. );
  879. static DECLARE_TLV_DB_RANGE(max98397_digital_tlv,
  880. 0, 0x4A, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  881. 0x4B, 0xFF, TLV_DB_SCALE_ITEM(-9000, 50, 0),
  882. );
  883. static const DECLARE_TLV_DB_RANGE(max98397_spk_tlv,
  884. 0, 0x15, TLV_DB_SCALE_ITEM(600, 100, 0),
  885. );
  886. static int max98396_mux_get(struct snd_kcontrol *kcontrol,
  887. struct snd_ctl_elem_value *ucontrol)
  888. {
  889. struct snd_soc_component *component =
  890. snd_soc_dapm_kcontrol_component(kcontrol);
  891. struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component);
  892. int reg, val;
  893. if (max98396->device_id == CODEC_TYPE_MAX98396)
  894. reg = MAX98396_R2055_PCM_RX_SRC1;
  895. else
  896. reg = MAX98397_R2056_PCM_RX_SRC1;
  897. regmap_read(max98396->regmap, reg, &val);
  898. ucontrol->value.enumerated.item[0] = val;
  899. return 0;
  900. }
  901. static int max98396_mux_put(struct snd_kcontrol *kcontrol,
  902. struct snd_ctl_elem_value *ucontrol)
  903. {
  904. struct snd_soc_component *component =
  905. snd_soc_dapm_kcontrol_component(kcontrol);
  906. struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
  907. struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component);
  908. struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
  909. unsigned int *item = ucontrol->value.enumerated.item;
  910. int reg, val;
  911. int change;
  912. if (item[0] >= e->items)
  913. return -EINVAL;
  914. val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
  915. if (max98396->device_id == CODEC_TYPE_MAX98396)
  916. reg = MAX98396_R2055_PCM_RX_SRC1;
  917. else
  918. reg = MAX98397_R2056_PCM_RX_SRC1;
  919. change = snd_soc_component_test_bits(component, reg,
  920. MAX98396_PCM_RX_MASK, val);
  921. if (change)
  922. regmap_update_bits(max98396->regmap, reg,
  923. MAX98396_PCM_RX_MASK, val);
  924. snd_soc_dapm_mux_update_power(dapm, kcontrol, item[0], e, NULL);
  925. return change;
  926. }
  927. static const char * const max98396_switch_text[] = {
  928. "Left", "Right", "LeftRight"};
  929. static SOC_ENUM_SINGLE_DECL(dai_sel_enum, SND_SOC_NOPM, 0,
  930. max98396_switch_text);
  931. static const struct snd_kcontrol_new max98396_dai_mux =
  932. SOC_DAPM_ENUM_EXT("DAI Sel Mux", dai_sel_enum,
  933. max98396_mux_get, max98396_mux_put);
  934. static const struct snd_kcontrol_new max98396_vi_control =
  935. SOC_DAPM_SINGLE("Switch", MAX98396_R205F_PCM_TX_EN, 0, 1, 0);
  936. static const struct snd_soc_dapm_widget max98396_dapm_widgets[] = {
  937. SND_SOC_DAPM_DAC_E("Amp Enable", "HiFi Playback",
  938. MAX98396_R20AF_AMP_EN, 0, 0, max98396_dac_event,
  939. SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
  940. SND_SOC_DAPM_MUX("DAI Sel Mux", SND_SOC_NOPM, 0, 0,
  941. &max98396_dai_mux),
  942. SND_SOC_DAPM_OUTPUT("BE_OUT"),
  943. SND_SOC_DAPM_AIF_OUT("Voltage Sense", "HiFi Capture", 0,
  944. MAX98396_R20E4_IV_SENSE_PATH_EN, 0, 0),
  945. SND_SOC_DAPM_AIF_OUT("Current Sense", "HiFi Capture", 0,
  946. MAX98396_R20E4_IV_SENSE_PATH_EN, 1, 0),
  947. SND_SOC_DAPM_SWITCH("VI Sense", SND_SOC_NOPM, 0, 0,
  948. &max98396_vi_control),
  949. SND_SOC_DAPM_SIGGEN("VMON"),
  950. SND_SOC_DAPM_SIGGEN("IMON"),
  951. SND_SOC_DAPM_SIGGEN("FBMON"),
  952. };
  953. static const char * const max98396_thermal_thresh_text[] = {
  954. "50C", "51C", "52C", "53C", "54C", "55C", "56C", "57C",
  955. "58C", "59C", "60C", "61C", "62C", "63C", "64C", "65C",
  956. "66C", "67C", "68C", "69C", "70C", "71C", "72C", "73C",
  957. "74C", "75C", "76C", "77C", "78C", "79C", "80C", "81C",
  958. "82C", "83C", "84C", "85C", "86C", "87C", "88C", "89C",
  959. "90C", "91C", "92C", "93C", "94C", "95C", "96C", "97C",
  960. "98C", "99C", "100C", "101C", "102C", "103C", "104C", "105C",
  961. "106C", "107C", "108C", "109C", "110C", "111C", "112C", "113C",
  962. "114C", "115C", "116C", "117C", "118C", "119C", "120C", "121C",
  963. "122C", "123C", "124C", "125C", "126C", "127C", "128C", "129C",
  964. "130C", "131C", "132C", "133C", "134C", "135C", "136C", "137C",
  965. "138C", "139C", "140C", "141C", "142C", "143C", "144C", "145C",
  966. "146C", "147C", "148C", "149C", "150C"
  967. };
  968. static SOC_ENUM_SINGLE_DECL(max98396_thermal_warn_thresh1_enum,
  969. MAX98396_R2020_THERM_WARN_THRESH, 0,
  970. max98396_thermal_thresh_text);
  971. static SOC_ENUM_SINGLE_DECL(max98396_thermal_warn_thresh2_enum,
  972. MAX98396_R2021_THERM_WARN_THRESH2, 0,
  973. max98396_thermal_thresh_text);
  974. static SOC_ENUM_SINGLE_DECL(max98396_thermal_shdn_thresh_enum,
  975. MAX98396_R2022_THERM_SHDN_THRESH, 0,
  976. max98396_thermal_thresh_text);
  977. static const char * const max98396_thermal_hyteresis_text[] = {
  978. "2C", "5C", "7C", "10C"
  979. };
  980. static SOC_ENUM_SINGLE_DECL(max98396_thermal_hysteresis_enum,
  981. MAX98396_R2023_THERM_HYSTERESIS, 0,
  982. max98396_thermal_hyteresis_text);
  983. static const char * const max98396_foldback_slope_text[] = {
  984. "0.25", "0.5", "1.0", "2.0"
  985. };
  986. static SOC_ENUM_SINGLE_DECL(max98396_thermal_fb_slope1_enum,
  987. MAX98396_R2024_THERM_FOLDBACK_SET,
  988. MAX98396_THERM_FB_SLOPE1_SHIFT,
  989. max98396_foldback_slope_text);
  990. static SOC_ENUM_SINGLE_DECL(max98396_thermal_fb_slope2_enum,
  991. MAX98396_R2024_THERM_FOLDBACK_SET,
  992. MAX98396_THERM_FB_SLOPE2_SHIFT,
  993. max98396_foldback_slope_text);
  994. static const char * const max98396_foldback_reltime_text[] = {
  995. "3ms", "10ms", "100ms", "300ms"
  996. };
  997. static SOC_ENUM_SINGLE_DECL(max98396_thermal_fb_reltime_enum,
  998. MAX98396_R2024_THERM_FOLDBACK_SET,
  999. MAX98396_THERM_FB_REL_SHIFT,
  1000. max98396_foldback_reltime_text);
  1001. static const char * const max98396_foldback_holdtime_text[] = {
  1002. "0ms", "20ms", "40ms", "80ms"
  1003. };
  1004. static SOC_ENUM_SINGLE_DECL(max98396_thermal_fb_holdtime_enum,
  1005. MAX98396_R2024_THERM_FOLDBACK_SET,
  1006. MAX98396_THERM_FB_HOLD_SHIFT,
  1007. max98396_foldback_holdtime_text);
  1008. static int max98396_adc_value_get(struct snd_kcontrol *kcontrol,
  1009. struct snd_ctl_elem_value *ucontrol)
  1010. {
  1011. struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
  1012. struct soc_mixer_control *mc =
  1013. (struct soc_mixer_control *)kcontrol->private_value;
  1014. struct max98396_priv *max98396 = snd_soc_component_get_drvdata(component);
  1015. int ret;
  1016. u8 val[2];
  1017. int reg = mc->reg;
  1018. /* ADC value is not available if the device is powered down */
  1019. if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
  1020. goto exit;
  1021. if (max98396->device_id == CODEC_TYPE_MAX98397) {
  1022. switch (mc->reg) {
  1023. case MAX98396_R20B6_ADC_PVDD_READBACK_MSB:
  1024. reg = MAX98397_R20B7_ADC_PVDD_READBACK_MSB;
  1025. break;
  1026. case MAX98396_R20B8_ADC_VBAT_READBACK_MSB:
  1027. reg = MAX98397_R20B9_ADC_VBAT_READBACK_MSB;
  1028. break;
  1029. case MAX98396_R20BA_ADC_TEMP_READBACK_MSB:
  1030. reg = MAX98397_R20BB_ADC_TEMP_READBACK_MSB;
  1031. break;
  1032. default:
  1033. goto exit;
  1034. }
  1035. }
  1036. ret = regmap_raw_read(max98396->regmap, reg, &val, 2);
  1037. if (ret)
  1038. goto exit;
  1039. /* ADC readback bits[8:0] rearrangement */
  1040. ucontrol->value.integer.value[0] = (val[0] << 1) | (val[1] & 1);
  1041. return 0;
  1042. exit:
  1043. ucontrol->value.integer.value[0] = 0;
  1044. return 0;
  1045. }
  1046. static const struct snd_kcontrol_new max98396_snd_controls[] = {
  1047. /* Volume */
  1048. SOC_SINGLE_TLV("Digital Volume", MAX98396_R2090_AMP_VOL_CTRL,
  1049. 0, 0x7F, 1, max98396_digital_tlv),
  1050. SOC_SINGLE_TLV("Speaker Volume", MAX98396_R2091_AMP_PATH_GAIN,
  1051. 0, 0x11, 0, max98396_spk_tlv),
  1052. /* Volume Ramp Up/Down Enable*/
  1053. SOC_SINGLE("Ramp Up Switch", MAX98396_R2092_AMP_DSP_CFG,
  1054. MAX98396_DSP_SPK_VOL_RMPUP_SHIFT, 1, 0),
  1055. SOC_SINGLE("Ramp Down Switch", MAX98396_R2092_AMP_DSP_CFG,
  1056. MAX98396_DSP_SPK_VOL_RMPDN_SHIFT, 1, 0),
  1057. /* Clock Monitor Enable */
  1058. SOC_SINGLE("CLK Monitor Switch", MAX98396_R203F_ENABLE_CTRLS,
  1059. MAX98396_CTRL_CMON_EN_SHIFT, 1, 0),
  1060. /* Dither Enable */
  1061. SOC_SINGLE("Dither Switch", MAX98396_R2092_AMP_DSP_CFG,
  1062. MAX98396_DSP_SPK_DITH_EN_SHIFT, 1, 0),
  1063. SOC_SINGLE("IV Dither Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG,
  1064. MAX98396_IV_SENSE_DITH_EN_SHIFT, 1, 0),
  1065. /* DC Blocker Enable */
  1066. SOC_SINGLE("DC Blocker Switch", MAX98396_R2092_AMP_DSP_CFG,
  1067. MAX98396_DSP_SPK_DCBLK_EN_SHIFT, 1, 0),
  1068. SOC_SINGLE("IV DC Blocker Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG,
  1069. MAX98396_IV_SENSE_DCBLK_EN_SHIFT, 3, 0),
  1070. /* Speaker Safe Mode Enable */
  1071. SOC_SINGLE("Safe Mode Switch", MAX98396_R2092_AMP_DSP_CFG,
  1072. MAX98396_DSP_SPK_SAFE_EN_SHIFT, 1, 0),
  1073. /* Wideband Filter Enable */
  1074. SOC_SINGLE("WB Filter Switch", MAX98396_R2092_AMP_DSP_CFG,
  1075. MAX98396_DSP_SPK_WB_FLT_EN_SHIFT, 1, 0),
  1076. SOC_SINGLE("IV WB Filter Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG,
  1077. MAX98396_IV_SENSE_WB_FLT_EN_SHIFT, 1, 0),
  1078. /* Dynamic Headroom Tracking */
  1079. SOC_SINGLE("DHT Switch", MAX98396_R20DF_DHT_EN, 0, 1, 0),
  1080. /* Brownout Protection Engine */
  1081. SOC_SINGLE("BPE Switch", MAX98396_R210D_BPE_EN, 0, 1, 0),
  1082. SOC_SINGLE("BPE Limiter Switch", MAX98396_R210D_BPE_EN, 1, 1, 0),
  1083. /* Bypass Path Enable */
  1084. SOC_SINGLE("Bypass Path Switch",
  1085. MAX98396_R205E_PCM_RX_EN, 1, 1, 0),
  1086. /* Speaker Operation Mode */
  1087. SOC_ENUM("OP Mode", max98396_op_mod_enum),
  1088. /* Auto Restart functions */
  1089. SOC_SINGLE("CMON Auto Restart Switch", MAX98396_R2038_CLK_MON_CTRL,
  1090. MAX98396_CLK_MON_AUTO_RESTART_SHIFT, 1, 0),
  1091. SOC_SINGLE("PVDD Auto Restart Switch", MAX98396_R210E_AUTO_RESTART,
  1092. MAX98396_PVDD_UVLO_RESTART_SHFT, 1, 0),
  1093. SOC_SINGLE("VBAT Auto Restart Switch", MAX98396_R210E_AUTO_RESTART,
  1094. MAX98396_VBAT_UVLO_RESTART_SHFT, 1, 0),
  1095. SOC_SINGLE("THERM Auto Restart Switch", MAX98396_R210E_AUTO_RESTART,
  1096. MAX98396_THEM_SHDN_RESTART_SHFT, 1, 0),
  1097. SOC_SINGLE("OVC Auto Restart Switch", MAX98396_R210E_AUTO_RESTART,
  1098. MAX98396_OVC_RESTART_SHFT, 1, 0),
  1099. /* Thermal Threshold */
  1100. SOC_ENUM("THERM Thresh1", max98396_thermal_warn_thresh1_enum),
  1101. SOC_ENUM("THERM Thresh2", max98396_thermal_warn_thresh2_enum),
  1102. SOC_ENUM("THERM SHDN Thresh", max98396_thermal_shdn_thresh_enum),
  1103. SOC_ENUM("THERM Hysteresis", max98396_thermal_hysteresis_enum),
  1104. SOC_SINGLE("THERM Foldback Switch",
  1105. MAX98396_R2027_THERM_FOLDBACK_EN, 0, 1, 0),
  1106. SOC_ENUM("THERM Slope1", max98396_thermal_fb_slope1_enum),
  1107. SOC_ENUM("THERM Slope2", max98396_thermal_fb_slope2_enum),
  1108. SOC_ENUM("THERM Release", max98396_thermal_fb_reltime_enum),
  1109. SOC_ENUM("THERM Hold", max98396_thermal_fb_holdtime_enum),
  1110. /* ADC */
  1111. SOC_SINGLE_EXT("ADC PVDD", MAX98396_R20B6_ADC_PVDD_READBACK_MSB, 0, 0x1FF, 0,
  1112. max98396_adc_value_get, NULL),
  1113. SOC_SINGLE_EXT("ADC VBAT", MAX98396_R20B8_ADC_VBAT_READBACK_MSB, 0, 0x1FF, 0,
  1114. max98396_adc_value_get, NULL),
  1115. SOC_SINGLE_EXT("ADC TEMP", MAX98396_R20BA_ADC_TEMP_READBACK_MSB, 0, 0x1FF, 0,
  1116. max98396_adc_value_get, NULL),
  1117. };
  1118. static const struct snd_kcontrol_new max98397_snd_controls[] = {
  1119. /* Volume */
  1120. SOC_SINGLE_TLV("Digital Volume", MAX98396_R2090_AMP_VOL_CTRL,
  1121. 0, 0xFF, 1, max98397_digital_tlv),
  1122. SOC_SINGLE_TLV("Speaker Volume", MAX98396_R2091_AMP_PATH_GAIN,
  1123. 0, 0x15, 0, max98397_spk_tlv),
  1124. /* Volume Ramp Up/Down Enable*/
  1125. SOC_SINGLE("Ramp Up Switch", MAX98396_R2092_AMP_DSP_CFG,
  1126. MAX98396_DSP_SPK_VOL_RMPUP_SHIFT, 1, 0),
  1127. SOC_SINGLE("Ramp Down Switch", MAX98396_R2092_AMP_DSP_CFG,
  1128. MAX98396_DSP_SPK_VOL_RMPDN_SHIFT, 1, 0),
  1129. /* Clock Monitor Enable */
  1130. SOC_SINGLE("CLK Monitor Switch", MAX98396_R203F_ENABLE_CTRLS,
  1131. MAX98396_CTRL_CMON_EN_SHIFT, 1, 0),
  1132. /* Dither Enable */
  1133. SOC_SINGLE("Dither Switch", MAX98396_R2092_AMP_DSP_CFG,
  1134. MAX98396_DSP_SPK_DITH_EN_SHIFT, 1, 0),
  1135. SOC_SINGLE("IV Dither Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG,
  1136. MAX98396_IV_SENSE_DITH_EN_SHIFT, 1, 0),
  1137. /* DC Blocker Enable */
  1138. SOC_SINGLE("DC Blocker Switch", MAX98396_R2092_AMP_DSP_CFG,
  1139. MAX98396_DSP_SPK_DCBLK_EN_SHIFT, 1, 0),
  1140. SOC_SINGLE("IV DC Blocker Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG,
  1141. MAX98396_IV_SENSE_DCBLK_EN_SHIFT, 3, 0),
  1142. /* Speaker Safe Mode Enable */
  1143. SOC_SINGLE("Safe Mode Switch", MAX98396_R2092_AMP_DSP_CFG,
  1144. MAX98396_DSP_SPK_SAFE_EN_SHIFT, 1, 0),
  1145. /* Wideband Filter Enable */
  1146. SOC_SINGLE("WB Filter Switch", MAX98396_R2092_AMP_DSP_CFG,
  1147. MAX98396_DSP_SPK_WB_FLT_EN_SHIFT, 1, 0),
  1148. SOC_SINGLE("IV WB Filter Switch", MAX98396_R20E0_IV_SENSE_PATH_CFG,
  1149. MAX98396_IV_SENSE_WB_FLT_EN_SHIFT, 1, 0),
  1150. /* Dynamic Headroom Tracking */
  1151. SOC_SINGLE("DHT Switch", MAX98396_R20DF_DHT_EN, 0, 1, 0),
  1152. /* Brownout Protection Engine */
  1153. SOC_SINGLE("BPE Switch", MAX98396_R210D_BPE_EN, 0, 1, 0),
  1154. SOC_SINGLE("BPE Limiter Switch", MAX98396_R210D_BPE_EN, 1, 1, 0),
  1155. /* Bypass Path Enable */
  1156. SOC_SINGLE("Bypass Path Switch",
  1157. MAX98396_R205E_PCM_RX_EN, 1, 1, 0),
  1158. /* Speaker Operation Mode */
  1159. SOC_ENUM("OP Mode", max98396_op_mod_enum),
  1160. /* Auto Restart functions */
  1161. SOC_SINGLE("CMON Auto Restart Switch", MAX98396_R2038_CLK_MON_CTRL,
  1162. MAX98396_CLK_MON_AUTO_RESTART_SHIFT, 1, 0),
  1163. SOC_SINGLE("PVDD Auto Restart Switch", MAX98396_R210E_AUTO_RESTART,
  1164. MAX98396_PVDD_UVLO_RESTART_SHFT, 1, 0),
  1165. SOC_SINGLE("VBAT Auto Restart Switch", MAX98396_R210E_AUTO_RESTART,
  1166. MAX98396_VBAT_UVLO_RESTART_SHFT, 1, 0),
  1167. SOC_SINGLE("THERM Auto Restart Switch", MAX98396_R210E_AUTO_RESTART,
  1168. MAX98396_THEM_SHDN_RESTART_SHFT, 1, 0),
  1169. SOC_SINGLE("OVC Auto Restart Switch", MAX98396_R210E_AUTO_RESTART,
  1170. MAX98396_OVC_RESTART_SHFT, 1, 0),
  1171. /* Thermal Threshold */
  1172. SOC_ENUM("THERM Thresh1", max98396_thermal_warn_thresh1_enum),
  1173. SOC_ENUM("THERM Thresh2", max98396_thermal_warn_thresh2_enum),
  1174. SOC_ENUM("THERM SHDN Thresh", max98396_thermal_shdn_thresh_enum),
  1175. SOC_ENUM("THERM Hysteresis", max98396_thermal_hysteresis_enum),
  1176. SOC_SINGLE("THERM Foldback Switch",
  1177. MAX98396_R2027_THERM_FOLDBACK_EN, 0, 1, 0),
  1178. SOC_ENUM("THERM Slope1", max98396_thermal_fb_slope1_enum),
  1179. SOC_ENUM("THERM Slope2", max98396_thermal_fb_slope2_enum),
  1180. SOC_ENUM("THERM Release", max98396_thermal_fb_reltime_enum),
  1181. SOC_ENUM("THERM Hold", max98396_thermal_fb_holdtime_enum),
  1182. /* ADC */
  1183. SOC_SINGLE_EXT("ADC PVDD", MAX98396_R20B6_ADC_PVDD_READBACK_MSB, 0, 0x1FF, 0,
  1184. max98396_adc_value_get, NULL),
  1185. SOC_SINGLE_EXT("ADC VBAT", MAX98396_R20B8_ADC_VBAT_READBACK_MSB, 0, 0x1FF, 0,
  1186. max98396_adc_value_get, NULL),
  1187. SOC_SINGLE_EXT("ADC TEMP", MAX98396_R20BA_ADC_TEMP_READBACK_MSB, 0, 0x1FF, 0,
  1188. max98396_adc_value_get, NULL),
  1189. };
  1190. static const struct snd_soc_dapm_route max98396_audio_map[] = {
  1191. /* Plabyack */
  1192. {"DAI Sel Mux", "Left", "Amp Enable"},
  1193. {"DAI Sel Mux", "Right", "Amp Enable"},
  1194. {"DAI Sel Mux", "LeftRight", "Amp Enable"},
  1195. {"BE_OUT", NULL, "DAI Sel Mux"},
  1196. /* Capture */
  1197. { "VI Sense", "Switch", "VMON" },
  1198. { "VI Sense", "Switch", "IMON" },
  1199. { "Voltage Sense", NULL, "VI Sense" },
  1200. { "Current Sense", NULL, "VI Sense" },
  1201. };
  1202. static struct snd_soc_dai_driver max98396_dai[] = {
  1203. {
  1204. .name = "max98396-aif1",
  1205. .playback = {
  1206. .stream_name = "HiFi Playback",
  1207. .channels_min = 1,
  1208. .channels_max = 2,
  1209. .rates = MAX98396_RATES,
  1210. .formats = MAX98396_FORMATS,
  1211. },
  1212. .capture = {
  1213. .stream_name = "HiFi Capture",
  1214. .channels_min = 1,
  1215. .channels_max = 2,
  1216. .rates = MAX98396_RATES,
  1217. .formats = MAX98396_FORMATS,
  1218. },
  1219. .ops = &max98396_dai_ops,
  1220. }
  1221. };
  1222. static struct snd_soc_dai_driver max98397_dai[] = {
  1223. {
  1224. .name = "max98397-aif1",
  1225. .playback = {
  1226. .stream_name = "HiFi Playback",
  1227. .channels_min = 1,
  1228. .channels_max = 2,
  1229. .rates = MAX98396_RATES,
  1230. .formats = MAX98396_FORMATS,
  1231. },
  1232. .capture = {
  1233. .stream_name = "HiFi Capture",
  1234. .channels_min = 1,
  1235. .channels_max = 2,
  1236. .rates = MAX98396_RATES,
  1237. .formats = MAX98396_FORMATS,
  1238. },
  1239. .ops = &max98396_dai_ops,
  1240. }
  1241. };
  1242. static void max98396_reset(struct max98396_priv *max98396, struct device *dev)
  1243. {
  1244. int ret, reg, count;
  1245. /* Software Reset */
  1246. ret = regmap_write(max98396->regmap,
  1247. MAX98396_R2000_SW_RESET, 1);
  1248. if (ret)
  1249. dev_err(dev, "Reset command failed. (ret:%d)\n", ret);
  1250. count = 0;
  1251. while (count < 3) {
  1252. usleep_range(5000, 6000);
  1253. /* Software Reset Verification */
  1254. ret = regmap_read(max98396->regmap,
  1255. GET_REG_ADDR_REV_ID(max98396->device_id), &reg);
  1256. if (!ret) {
  1257. dev_info(dev, "Reset completed (retry:%d)\n", count);
  1258. return;
  1259. }
  1260. count++;
  1261. }
  1262. dev_err(dev, "Reset failed. (ret:%d)\n", ret);
  1263. }
  1264. static int max98396_probe(struct snd_soc_component *component)
  1265. {
  1266. struct max98396_priv *max98396 =
  1267. snd_soc_component_get_drvdata(component);
  1268. /* Software Reset */
  1269. max98396_reset(max98396, component->dev);
  1270. /* L/R mix configuration */
  1271. if (max98396->device_id == CODEC_TYPE_MAX98396) {
  1272. regmap_write(max98396->regmap,
  1273. MAX98396_R2055_PCM_RX_SRC1, 0x02);
  1274. regmap_write(max98396->regmap,
  1275. MAX98396_R2056_PCM_RX_SRC2, 0x10);
  1276. } else {
  1277. regmap_write(max98396->regmap,
  1278. MAX98397_R2056_PCM_RX_SRC1, 0x02);
  1279. regmap_write(max98396->regmap,
  1280. MAX98397_R2057_PCM_RX_SRC2, 0x10);
  1281. }
  1282. /* Supply control */
  1283. regmap_update_bits(max98396->regmap,
  1284. MAX98396_R20A0_AMP_SUPPLY_CTL,
  1285. MAX98396_AMP_SUPPLY_NOVBAT,
  1286. (max98396->vbat == NULL) ?
  1287. MAX98396_AMP_SUPPLY_NOVBAT : 0);
  1288. /* Enable DC blocker */
  1289. regmap_update_bits(max98396->regmap,
  1290. MAX98396_R2092_AMP_DSP_CFG, 1, 1);
  1291. /* Enable IV Monitor DC blocker */
  1292. regmap_update_bits(max98396->regmap,
  1293. MAX98396_R20E0_IV_SENSE_PATH_CFG,
  1294. MAX98396_IV_SENSE_DCBLK_EN_MASK,
  1295. MAX98396_IV_SENSE_DCBLK_EN_MASK);
  1296. /* Configure default data output sources */
  1297. regmap_write(max98396->regmap,
  1298. MAX98396_R205D_PCM_TX_SRC_EN, 3);
  1299. /* Enable Wideband Filter */
  1300. regmap_update_bits(max98396->regmap,
  1301. MAX98396_R2092_AMP_DSP_CFG, 0x40, 0x40);
  1302. /* Enable IV Wideband Filter */
  1303. regmap_update_bits(max98396->regmap,
  1304. MAX98396_R20E0_IV_SENSE_PATH_CFG, 8, 8);
  1305. /* Enable Bypass Source */
  1306. regmap_write(max98396->regmap,
  1307. MAX98396_R2058_PCM_BYPASS_SRC,
  1308. max98396->bypass_slot);
  1309. /* Voltage, current slot configuration */
  1310. regmap_write(max98396->regmap,
  1311. MAX98396_R2044_PCM_TX_CTRL_1,
  1312. max98396->v_slot);
  1313. regmap_write(max98396->regmap,
  1314. MAX98396_R2045_PCM_TX_CTRL_2,
  1315. max98396->i_slot);
  1316. regmap_write(max98396->regmap,
  1317. MAX98396_R204A_PCM_TX_CTRL_7,
  1318. max98396->spkfb_slot);
  1319. if (max98396->v_slot < 8)
  1320. if (max98396->device_id == CODEC_TYPE_MAX98396)
  1321. regmap_update_bits(max98396->regmap,
  1322. MAX98396_R2053_PCM_TX_HIZ_CTRL_8,
  1323. 1 << max98396->v_slot, 0);
  1324. else
  1325. regmap_update_bits(max98396->regmap,
  1326. MAX98397_R2054_PCM_TX_HIZ_CTRL_8,
  1327. 1 << max98396->v_slot, 0);
  1328. else
  1329. if (max98396->device_id == CODEC_TYPE_MAX98396)
  1330. regmap_update_bits(max98396->regmap,
  1331. MAX98396_R2052_PCM_TX_HIZ_CTRL_7,
  1332. 1 << (max98396->v_slot - 8), 0);
  1333. else
  1334. regmap_update_bits(max98396->regmap,
  1335. MAX98397_R2053_PCM_TX_HIZ_CTRL_7,
  1336. 1 << (max98396->v_slot - 8), 0);
  1337. if (max98396->i_slot < 8)
  1338. if (max98396->device_id == CODEC_TYPE_MAX98396)
  1339. regmap_update_bits(max98396->regmap,
  1340. MAX98396_R2053_PCM_TX_HIZ_CTRL_8,
  1341. 1 << max98396->i_slot, 0);
  1342. else
  1343. regmap_update_bits(max98396->regmap,
  1344. MAX98397_R2054_PCM_TX_HIZ_CTRL_8,
  1345. 1 << max98396->i_slot, 0);
  1346. else
  1347. if (max98396->device_id == CODEC_TYPE_MAX98396)
  1348. regmap_update_bits(max98396->regmap,
  1349. MAX98396_R2052_PCM_TX_HIZ_CTRL_7,
  1350. 1 << (max98396->i_slot - 8), 0);
  1351. else
  1352. regmap_update_bits(max98396->regmap,
  1353. MAX98397_R2053_PCM_TX_HIZ_CTRL_7,
  1354. 1 << (max98396->i_slot - 8), 0);
  1355. /* Set interleave mode */
  1356. if (max98396->interleave_mode)
  1357. regmap_update_bits(max98396->regmap,
  1358. MAX98396_R2041_PCM_MODE_CFG,
  1359. MAX98396_PCM_TX_CH_INTERLEAVE_MASK,
  1360. MAX98396_PCM_TX_CH_INTERLEAVE_MASK);
  1361. regmap_update_bits(max98396->regmap,
  1362. MAX98396_R2038_CLK_MON_CTRL,
  1363. MAX98396_CLK_MON_AUTO_RESTART_MASK,
  1364. MAX98396_CLK_MON_AUTO_RESTART_MASK);
  1365. regmap_update_bits(max98396->regmap,
  1366. MAX98396_R203F_ENABLE_CTRLS,
  1367. MAX98396_CTRL_DMON_STUCK_EN_MASK,
  1368. max98396->dmon_stuck_enable ?
  1369. MAX98396_CTRL_DMON_STUCK_EN_MASK : 0);
  1370. regmap_update_bits(max98396->regmap,
  1371. MAX98396_R203F_ENABLE_CTRLS,
  1372. MAX98396_CTRL_DMON_MAG_EN_MASK,
  1373. max98396->dmon_mag_enable ?
  1374. MAX98396_CTRL_DMON_MAG_EN_MASK : 0);
  1375. switch (max98396->dmon_duration) {
  1376. case 64:
  1377. regmap_update_bits(max98396->regmap,
  1378. MAX98396_R2039_DATA_MON_CTRL,
  1379. MAX98396_DMON_DURATION_MASK, 0);
  1380. break;
  1381. case 256:
  1382. regmap_update_bits(max98396->regmap,
  1383. MAX98396_R2039_DATA_MON_CTRL,
  1384. MAX98396_DMON_DURATION_MASK, 1);
  1385. break;
  1386. case 1024:
  1387. regmap_update_bits(max98396->regmap,
  1388. MAX98396_R2039_DATA_MON_CTRL,
  1389. MAX98396_DMON_DURATION_MASK, 2);
  1390. break;
  1391. case 4096:
  1392. regmap_update_bits(max98396->regmap,
  1393. MAX98396_R2039_DATA_MON_CTRL,
  1394. MAX98396_DMON_DURATION_MASK, 3);
  1395. break;
  1396. default:
  1397. dev_err(component->dev, "Invalid DMON duration %d\n",
  1398. max98396->dmon_duration);
  1399. }
  1400. switch (max98396->dmon_stuck_threshold) {
  1401. case 15:
  1402. regmap_update_bits(max98396->regmap,
  1403. MAX98396_R2039_DATA_MON_CTRL,
  1404. MAX98396_DMON_STUCK_THRESH_MASK,
  1405. 0 << MAX98396_DMON_STUCK_THRESH_SHIFT);
  1406. break;
  1407. case 13:
  1408. regmap_update_bits(max98396->regmap,
  1409. MAX98396_R2039_DATA_MON_CTRL,
  1410. MAX98396_DMON_STUCK_THRESH_MASK,
  1411. 1 << MAX98396_DMON_STUCK_THRESH_SHIFT);
  1412. break;
  1413. case 22:
  1414. regmap_update_bits(max98396->regmap,
  1415. MAX98396_R2039_DATA_MON_CTRL,
  1416. MAX98396_DMON_STUCK_THRESH_MASK,
  1417. 2 << MAX98396_DMON_STUCK_THRESH_SHIFT);
  1418. break;
  1419. case 9:
  1420. regmap_update_bits(max98396->regmap,
  1421. MAX98396_R2039_DATA_MON_CTRL,
  1422. MAX98396_DMON_STUCK_THRESH_MASK,
  1423. 3 << MAX98396_DMON_STUCK_THRESH_SHIFT);
  1424. break;
  1425. default:
  1426. dev_err(component->dev, "Invalid DMON stuck threshold %d\n",
  1427. max98396->dmon_stuck_threshold);
  1428. }
  1429. switch (max98396->dmon_mag_threshold) {
  1430. case 2 ... 5:
  1431. regmap_update_bits(max98396->regmap,
  1432. MAX98396_R2039_DATA_MON_CTRL,
  1433. MAX98396_DMON_STUCK_THRESH_MASK,
  1434. (5 - max98396->dmon_mag_threshold)
  1435. << MAX98396_DMON_MAG_THRESH_SHIFT);
  1436. break;
  1437. default:
  1438. dev_err(component->dev, "Invalid DMON magnitude threshold %d\n",
  1439. max98396->dmon_mag_threshold);
  1440. }
  1441. /* Speaker Amplifier PCM RX Enable by default */
  1442. regmap_update_bits(max98396->regmap,
  1443. MAX98396_R205E_PCM_RX_EN,
  1444. MAX98396_PCM_RX_EN_MASK, 1);
  1445. return 0;
  1446. }
  1447. #ifdef CONFIG_PM_SLEEP
  1448. static int max98396_suspend(struct device *dev)
  1449. {
  1450. struct max98396_priv *max98396 = dev_get_drvdata(dev);
  1451. regcache_cache_only(max98396->regmap, true);
  1452. regcache_mark_dirty(max98396->regmap);
  1453. regulator_bulk_disable(MAX98396_NUM_CORE_SUPPLIES,
  1454. max98396->core_supplies);
  1455. if (max98396->pvdd)
  1456. regulator_disable(max98396->pvdd);
  1457. if (max98396->vbat)
  1458. regulator_disable(max98396->vbat);
  1459. return 0;
  1460. }
  1461. static int max98396_resume(struct device *dev)
  1462. {
  1463. struct max98396_priv *max98396 = dev_get_drvdata(dev);
  1464. int ret;
  1465. ret = regulator_bulk_enable(MAX98396_NUM_CORE_SUPPLIES,
  1466. max98396->core_supplies);
  1467. if (ret < 0)
  1468. return ret;
  1469. if (max98396->pvdd) {
  1470. ret = regulator_enable(max98396->pvdd);
  1471. if (ret < 0)
  1472. return ret;
  1473. }
  1474. if (max98396->vbat) {
  1475. ret = regulator_enable(max98396->vbat);
  1476. if (ret < 0)
  1477. return ret;
  1478. }
  1479. regcache_cache_only(max98396->regmap, false);
  1480. max98396_reset(max98396, dev);
  1481. regcache_sync(max98396->regmap);
  1482. return 0;
  1483. }
  1484. #endif
  1485. static const struct dev_pm_ops max98396_pm = {
  1486. SET_SYSTEM_SLEEP_PM_OPS(max98396_suspend, max98396_resume)
  1487. };
  1488. static const struct snd_soc_component_driver soc_codec_dev_max98396 = {
  1489. .probe = max98396_probe,
  1490. .controls = max98396_snd_controls,
  1491. .num_controls = ARRAY_SIZE(max98396_snd_controls),
  1492. .dapm_widgets = max98396_dapm_widgets,
  1493. .num_dapm_widgets = ARRAY_SIZE(max98396_dapm_widgets),
  1494. .dapm_routes = max98396_audio_map,
  1495. .num_dapm_routes = ARRAY_SIZE(max98396_audio_map),
  1496. .idle_bias_on = 1,
  1497. .use_pmdown_time = 1,
  1498. .endianness = 1,
  1499. };
  1500. static const struct snd_soc_component_driver soc_codec_dev_max98397 = {
  1501. .probe = max98396_probe,
  1502. .controls = max98397_snd_controls,
  1503. .num_controls = ARRAY_SIZE(max98397_snd_controls),
  1504. .dapm_widgets = max98396_dapm_widgets,
  1505. .num_dapm_widgets = ARRAY_SIZE(max98396_dapm_widgets),
  1506. .dapm_routes = max98396_audio_map,
  1507. .num_dapm_routes = ARRAY_SIZE(max98396_audio_map),
  1508. .idle_bias_on = 1,
  1509. .use_pmdown_time = 1,
  1510. .endianness = 1,
  1511. };
  1512. static const struct regmap_config max98396_regmap = {
  1513. .reg_bits = 16,
  1514. .val_bits = 8,
  1515. .max_register = MAX98396_R21FF_REVISION_ID,
  1516. .reg_defaults = max98396_reg,
  1517. .num_reg_defaults = ARRAY_SIZE(max98396_reg),
  1518. .readable_reg = max98396_readable_register,
  1519. .volatile_reg = max98396_volatile_reg,
  1520. .cache_type = REGCACHE_RBTREE,
  1521. };
  1522. static const struct regmap_config max98397_regmap = {
  1523. .reg_bits = 16,
  1524. .val_bits = 8,
  1525. .max_register = MAX98397_R22FF_REVISION_ID,
  1526. .reg_defaults = max98397_reg,
  1527. .num_reg_defaults = ARRAY_SIZE(max98397_reg),
  1528. .readable_reg = max98397_readable_register,
  1529. .volatile_reg = max98397_volatile_reg,
  1530. .cache_type = REGCACHE_RBTREE,
  1531. };
  1532. static void max98396_read_device_property(struct device *dev,
  1533. struct max98396_priv *max98396)
  1534. {
  1535. int value;
  1536. if (!device_property_read_u32(dev, "adi,vmon-slot-no", &value))
  1537. max98396->v_slot = value & 0xF;
  1538. else
  1539. max98396->v_slot = 0;
  1540. if (!device_property_read_u32(dev, "adi,imon-slot-no", &value))
  1541. max98396->i_slot = value & 0xF;
  1542. else
  1543. max98396->i_slot = 1;
  1544. if (!device_property_read_u32(dev, "adi,spkfb-slot-no", &value))
  1545. max98396->spkfb_slot = value & 0xF;
  1546. else
  1547. max98396->spkfb_slot = 2;
  1548. if (!device_property_read_u32(dev, "adi,bypass-slot-no", &value))
  1549. max98396->bypass_slot = value & 0xF;
  1550. else
  1551. max98396->bypass_slot = 0;
  1552. max98396->dmon_stuck_enable =
  1553. device_property_read_bool(dev, "adi,dmon-stuck-enable");
  1554. if (!device_property_read_u32(dev, "adi,dmon-stuck-threshold-bits", &value))
  1555. max98396->dmon_stuck_threshold = value;
  1556. else
  1557. max98396->dmon_stuck_threshold = 15;
  1558. max98396->dmon_mag_enable =
  1559. device_property_read_bool(dev, "adi,dmon-magnitude-enable");
  1560. if (!device_property_read_u32(dev, "adi,dmon-magnitude-threshold-bits", &value))
  1561. max98396->dmon_mag_threshold = value;
  1562. else
  1563. max98396->dmon_mag_threshold = 5;
  1564. if (!device_property_read_u32(dev, "adi,dmon-duration-ms", &value))
  1565. max98396->dmon_duration = value;
  1566. else
  1567. max98396->dmon_duration = 64;
  1568. }
  1569. static void max98396_core_supplies_disable(void *priv)
  1570. {
  1571. struct max98396_priv *max98396 = priv;
  1572. regulator_bulk_disable(MAX98396_NUM_CORE_SUPPLIES,
  1573. max98396->core_supplies);
  1574. }
  1575. static void max98396_supply_disable(void *r)
  1576. {
  1577. regulator_disable((struct regulator *) r);
  1578. }
  1579. static int max98396_i2c_probe(struct i2c_client *i2c,
  1580. const struct i2c_device_id *id)
  1581. {
  1582. struct max98396_priv *max98396 = NULL;
  1583. int i, ret, reg;
  1584. max98396 = devm_kzalloc(&i2c->dev, sizeof(*max98396), GFP_KERNEL);
  1585. if (!max98396) {
  1586. ret = -ENOMEM;
  1587. return ret;
  1588. }
  1589. i2c_set_clientdata(i2c, max98396);
  1590. max98396->device_id = id->driver_data;
  1591. /* regmap initialization */
  1592. if (max98396->device_id == CODEC_TYPE_MAX98396)
  1593. max98396->regmap = devm_regmap_init_i2c(i2c, &max98396_regmap);
  1594. else
  1595. max98396->regmap = devm_regmap_init_i2c(i2c, &max98397_regmap);
  1596. if (IS_ERR(max98396->regmap)) {
  1597. ret = PTR_ERR(max98396->regmap);
  1598. dev_err(&i2c->dev,
  1599. "Failed to allocate regmap: %d\n", ret);
  1600. return ret;
  1601. }
  1602. /* Obtain regulator supplies */
  1603. for (i = 0; i < MAX98396_NUM_CORE_SUPPLIES; i++)
  1604. max98396->core_supplies[i].supply = max98396_core_supplies[i];
  1605. ret = devm_regulator_bulk_get(&i2c->dev, MAX98396_NUM_CORE_SUPPLIES,
  1606. max98396->core_supplies);
  1607. if (ret < 0) {
  1608. dev_err(&i2c->dev, "Failed to request core supplies: %d\n", ret);
  1609. return ret;
  1610. }
  1611. max98396->vbat = devm_regulator_get_optional(&i2c->dev, "vbat");
  1612. if (IS_ERR(max98396->vbat)) {
  1613. if (PTR_ERR(max98396->vbat) == -EPROBE_DEFER)
  1614. return -EPROBE_DEFER;
  1615. max98396->vbat = NULL;
  1616. }
  1617. max98396->pvdd = devm_regulator_get_optional(&i2c->dev, "pvdd");
  1618. if (IS_ERR(max98396->pvdd)) {
  1619. if (PTR_ERR(max98396->pvdd) == -EPROBE_DEFER)
  1620. return -EPROBE_DEFER;
  1621. max98396->pvdd = NULL;
  1622. }
  1623. ret = regulator_bulk_enable(MAX98396_NUM_CORE_SUPPLIES,
  1624. max98396->core_supplies);
  1625. if (ret < 0) {
  1626. dev_err(&i2c->dev, "Unable to enable core supplies: %d", ret);
  1627. return ret;
  1628. }
  1629. ret = devm_add_action_or_reset(&i2c->dev, max98396_core_supplies_disable,
  1630. max98396);
  1631. if (ret < 0)
  1632. return ret;
  1633. if (max98396->pvdd) {
  1634. ret = regulator_enable(max98396->pvdd);
  1635. if (ret < 0)
  1636. return ret;
  1637. ret = devm_add_action_or_reset(&i2c->dev,
  1638. max98396_supply_disable,
  1639. max98396->pvdd);
  1640. if (ret < 0)
  1641. return ret;
  1642. }
  1643. if (max98396->vbat) {
  1644. ret = regulator_enable(max98396->vbat);
  1645. if (ret < 0)
  1646. return ret;
  1647. ret = devm_add_action_or_reset(&i2c->dev,
  1648. max98396_supply_disable,
  1649. max98396->vbat);
  1650. if (ret < 0)
  1651. return ret;
  1652. }
  1653. /* update interleave mode info */
  1654. if (device_property_read_bool(&i2c->dev, "adi,interleave_mode"))
  1655. max98396->interleave_mode = true;
  1656. else
  1657. max98396->interleave_mode = false;
  1658. /* voltage/current slot & gpio configuration */
  1659. max98396_read_device_property(&i2c->dev, max98396);
  1660. /* Reset the Device */
  1661. max98396->reset_gpio = devm_gpiod_get_optional(&i2c->dev,
  1662. "reset", GPIOD_OUT_HIGH);
  1663. if (IS_ERR(max98396->reset_gpio)) {
  1664. ret = PTR_ERR(max98396->reset_gpio);
  1665. dev_err(&i2c->dev, "Unable to request GPIO pin: %d.\n", ret);
  1666. return ret;
  1667. }
  1668. if (max98396->reset_gpio) {
  1669. usleep_range(5000, 6000);
  1670. gpiod_set_value_cansleep(max98396->reset_gpio, 0);
  1671. /* Wait for the hw reset done */
  1672. usleep_range(5000, 6000);
  1673. }
  1674. ret = regmap_read(max98396->regmap,
  1675. GET_REG_ADDR_REV_ID(max98396->device_id), &reg);
  1676. if (ret < 0) {
  1677. dev_err(&i2c->dev, "%s: failed to read revision of the device.\n", id->name);
  1678. return ret;
  1679. }
  1680. dev_info(&i2c->dev, "%s revision ID: 0x%02X\n", id->name, reg);
  1681. /* codec registration */
  1682. if (max98396->device_id == CODEC_TYPE_MAX98396)
  1683. ret = devm_snd_soc_register_component(&i2c->dev,
  1684. &soc_codec_dev_max98396,
  1685. max98396_dai,
  1686. ARRAY_SIZE(max98396_dai));
  1687. else
  1688. ret = devm_snd_soc_register_component(&i2c->dev,
  1689. &soc_codec_dev_max98397,
  1690. max98397_dai,
  1691. ARRAY_SIZE(max98397_dai));
  1692. if (ret < 0)
  1693. dev_err(&i2c->dev, "Failed to register codec: %d\n", ret);
  1694. return ret;
  1695. }
  1696. static const struct i2c_device_id max98396_i2c_id[] = {
  1697. { "max98396", CODEC_TYPE_MAX98396},
  1698. { "max98397", CODEC_TYPE_MAX98397},
  1699. { },
  1700. };
  1701. MODULE_DEVICE_TABLE(i2c, max98396_i2c_id);
  1702. #if defined(CONFIG_OF)
  1703. static const struct of_device_id max98396_of_match[] = {
  1704. { .compatible = "adi,max98396", },
  1705. { .compatible = "adi,max98397", },
  1706. { }
  1707. };
  1708. MODULE_DEVICE_TABLE(of, max98396_of_match);
  1709. #endif
  1710. #ifdef CONFIG_ACPI
  1711. static const struct acpi_device_id max98396_acpi_match[] = {
  1712. { "ADS8396", 0 },
  1713. { "ADS8397", 0 },
  1714. {},
  1715. };
  1716. MODULE_DEVICE_TABLE(acpi, max98396_acpi_match);
  1717. #endif
  1718. static struct i2c_driver max98396_i2c_driver = {
  1719. .driver = {
  1720. .name = "max98396",
  1721. .of_match_table = of_match_ptr(max98396_of_match),
  1722. .acpi_match_table = ACPI_PTR(max98396_acpi_match),
  1723. .pm = &max98396_pm,
  1724. },
  1725. .probe = max98396_i2c_probe,
  1726. .id_table = max98396_i2c_id,
  1727. };
  1728. module_i2c_driver(max98396_i2c_driver)
  1729. MODULE_DESCRIPTION("ALSA SoC MAX98396 driver");
  1730. MODULE_AUTHOR("Ryan Lee <[email protected]>");
  1731. MODULE_LICENSE("GPL");