rt5627.c 35 KB

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  1. /*
  2. * rt5627.c -- RT5627/RT5628 ALSA Soc Audio driver
  3. *
  4. * Copyright 2008 Realtek Microelectronics
  5. *
  6. * Author: flove <flove@realtek.com>
  7. *
  8. * Based on WM8753.c
  9. *
  10. * This program is free software; you can redistribute it and/or modify
  11. * it under the terms of the GNU General Public License version 2 as
  12. * published by the Free Software Foundation.
  13. *
  14. */
  15. #include <linux/module.h>
  16. #include <linux/moduleparam.h>
  17. #include <linux/version.h>
  18. #include <linux/kernel.h>
  19. #include <linux/init.h>
  20. #include <linux/delay.h>
  21. #include <linux/pm.h>
  22. #include <linux/i2c.h>
  23. #include <linux/platform_device.h>
  24. #include <sound/driver.h>
  25. #include <sound/core.h>
  26. #include <sound/pcm.h>
  27. #include <sound/pcm_params.h>
  28. #include <sound/soc.h>
  29. #include <sound/soc-dapm.h>
  30. #include <sound/initval.h>
  31. #include <asm/div64.h>
  32. #include "rt5627.h"
  33. #define AUDIO_NAME "rt5627"
  34. #define RT5627_VERSION "0.01"
  35. /*
  36. * Debug
  37. */
  38. #ifdef CONFIG_SND_DEBUG
  39. #define s3cdbg(x...) printk(x)
  40. #else
  41. #define s3cdbg(x...)
  42. #endif
  43. #define RT5627_DEBUG 0
  44. #ifdef RT5627_DEBUG
  45. #define dbg(format, arg...) \
  46. printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
  47. #else
  48. #define dbg(format, arg...) do {} while (0)
  49. #endif
  50. #define err(format, arg...) \
  51. printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
  52. #define info(format, arg...) \
  53. printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
  54. #define warn(format, arg...) \
  55. printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
  56. static int caps_charge = 2000;
  57. module_param(caps_charge, int, 0);
  58. MODULE_PARM_DESC(caps_charge, "RT5627 cap charge time (msecs)");
  59. //HIKO DEBUG: for REALTEK 5627 on ebook proj
  60. //#include <asm/hardware.h>
  61. //#include <asm-arm/arch-s3c2410/regs-gpio.h>
  62. /* codec private data */
  63. struct rt5627_priv {
  64. unsigned int sysclk;
  65. };
  66. static struct snd_soc_device *rt5627_socdev;
  67. /*
  68. * rt5627 register cache
  69. * We can't read the RT5627 register space when we
  70. * are using 2 wire for device control, so we cache them instead.
  71. */
  72. static const u16 rt5627_reg[0x7E/2];
  73. /* virtual HP mixers regs */
  74. #define HPL_MIXER 0x80
  75. #define HPR_MIXER 0x82
  76. static u16 reg80=0,reg82=0;
  77. u16 Set_Codec_Reg_Init[][2]={
  78. {RT5627_STEREO_DAC_VOL ,0x1010},//default stereo DAC volume to 0db
  79. {RT5627_OUTPUT_MIXER_CTRL,0x0704},//default output mixer control
  80. {RT5627_GEN_CTRL ,0x0b00},//set Class D Vmid ratio is 1VDD and DAC have high pass filter
  81. {RT5627_AUDIO_DATA_CTRL ,0x8000},//set I2S codec to slave mode
  82. {RT5627_SPK_OUT_VOL ,0x8080},//default speaker volume to 0db
  83. {RT5627_HP_OUT_VOL ,0x8888},//default HP volume to -12db
  84. };
  85. #define SET_CODEC_REG_INIT_NUM ARRAY_SIZE(Set_Codec_Reg_Init)
  86. /*
  87. * read rt5627 register cache
  88. */
  89. static inline unsigned int rt5627_read_reg_cache(struct snd_soc_codec *codec,
  90. unsigned int reg)
  91. {
  92. u16 *cache = codec->reg_cache;
  93. if (reg < 1 || reg > (ARRAY_SIZE(rt5627_reg) + 1))
  94. return -1;
  95. return cache[reg/2];
  96. }
  97. /*
  98. * write rt5627 register cache
  99. */
  100. static inline void rt5627_write_reg_cache(struct snd_soc_codec *codec,
  101. unsigned int reg, unsigned int value)
  102. {
  103. u16 *cache = codec->reg_cache;
  104. if (reg < 0 || reg > 0x7e)
  105. return;
  106. cache[reg/2] = value;
  107. }
  108. static int rt5627_write(struct snd_soc_codec *codec, unsigned int reg,
  109. unsigned int value)
  110. {
  111. u8 data[3];
  112. if(reg>0x7E)
  113. {
  114. if(reg==HPL_MIXER)
  115. reg80=value;
  116. else if(reg==HPR_MIXER)
  117. reg82=value;
  118. else
  119. return -EIO;
  120. return 0;
  121. }
  122. printk("rt5627 write reg=%x,value=%x\n",reg,value);
  123. data[0] = reg;
  124. data[1] = (0xFF00 & value) >> 8;
  125. data[2] = 0x00FF & value;
  126. if (codec->hw_write(codec->control_data, data, 3) == 3)
  127. {
  128. rt5627_write_reg_cache (codec, reg, value);
  129. // printk("rt5627 write OK\n");
  130. return 0;
  131. }
  132. else
  133. {
  134. printk("rt5627 write faile\n");
  135. return -EIO;
  136. }
  137. }
  138. static unsigned int rt5627_read(struct snd_soc_codec *codec, unsigned int reg)
  139. {
  140. u8 data[2]={0};
  141. unsigned int value=0x0;
  142. if(reg>0x7E)
  143. {
  144. if(reg==HPL_MIXER)
  145. return reg80;
  146. else if(reg==HPR_MIXER)
  147. return reg82;
  148. else
  149. return -EIO;
  150. return -EIO;
  151. }
  152. data[0] = reg;
  153. if(codec->hw_write(codec->control_data, data, 1) ==1)
  154. {
  155. codec->hw_read(codec->control_data, data, 2);
  156. value = (data[0]<<8) | data[1];
  157. printk("rt5627 read reg%x=%x\n",reg,value);
  158. return value;
  159. }
  160. else
  161. {
  162. printk("rt5627 read faile\n");
  163. return -EIO;
  164. }
  165. }
  166. static int rt5627_write_mask(struct snd_soc_codec *codec, unsigned int reg,unsigned int value,unsigned int mask)
  167. {
  168. unsigned char RetVal=0;
  169. unsigned int CodecData;
  170. if(!mask)
  171. return 0;
  172. if(mask!=0xffff)
  173. {
  174. CodecData=rt5627_read(codec,reg);
  175. CodecData&=~mask;
  176. CodecData|=(value&mask);
  177. RetVal=rt5627_write(codec,reg,CodecData);
  178. }
  179. else
  180. {
  181. RetVal=rt5627_write(codec,reg,value);
  182. }
  183. return RetVal;
  184. }
  185. static int rt5627_ChangeCodecPowerStatus(struct snd_soc_codec *codec,int power_state)
  186. {
  187. unsigned short int PowerDownState=0;
  188. switch(power_state)
  189. {
  190. case POWER_STATE_D0: //FULL ON-----power on all power
  191. rt5627_write(codec,RT5627_PWR_MANAG_ADD1,~PowerDownState);
  192. rt5627_write(codec,RT5627_PWR_MANAG_ADD2,~PowerDownState);
  193. rt5627_write(codec,RT5627_PWR_MANAG_ADD3,~PowerDownState);
  194. break;
  195. case POWER_STATE_D1: //LOW ON-----
  196. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2,PWR_VREF |PWR_DAC_REF_CIR |PWR_L_DAC_CLK |PWR_R_DAC_CLK|PWR_L_DAC_L_D_S|PWR_R_DAC_R_D_S |PWR_L_HP_MIXER |PWR_R_HP_MIXER|PWR_SPK_MIXER|PWR_CLASS_D
  197. ,PWR_VREF |PWR_DAC_REF_CIR |PWR_L_DAC_CLK |PWR_R_DAC_CLK|PWR_L_DAC_L_D_S|PWR_R_DAC_R_D_S |PWR_L_HP_MIXER |PWR_R_HP_MIXER|PWR_SPK_MIXER|PWR_CLASS_D);
  198. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD1,PWR_MAIN_I2S_EN|PWR_HP_AMP|PWR_HP_ENH_AMP
  199. ,PWR_MAIN_I2S_EN|PWR_HP_AMP|PWR_HP_ENH_AMP);
  200. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD3,PWR_MAIN_BIAS|PWR_HP_R_OUT_VOL_AMP|PWR_HP_L_OUT_VOL_AMP|PWR_SPK_OUT
  201. ,PWR_MAIN_BIAS|PWR_HP_R_OUT_VOL_AMP|PWR_HP_L_OUT_VOL_AMP|PWR_SPK_OUT);
  202. break;
  203. case POWER_STATE_D1_PLAYBACK: //Low on of Playback
  204. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD1,PWR_MAIN_I2S_EN|PWR_HP_AMP|PWR_HP_ENH_AMP
  205. ,PWR_MAIN_I2S_EN|PWR_HP_AMP|PWR_HP_ENH_AMP);
  206. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2,PWR_VREF|PWR_DAC_REF_CIR|PWR_L_DAC_CLK|PWR_R_DAC_CLK|PWR_L_DAC_L_D_S|PWR_R_DAC_R_D_S|PWR_L_HP_MIXER|PWR_R_HP_MIXER|PWR_SPK_MIXER|PWR_CLASS_D
  207. ,PWR_VREF|PWR_DAC_REF_CIR|PWR_L_DAC_CLK|PWR_R_DAC_CLK|PWR_L_DAC_L_D_S|PWR_R_DAC_R_D_S|PWR_L_HP_MIXER|PWR_R_HP_MIXER|PWR_SPK_MIXER|PWR_CLASS_D);
  208. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD3,PWR_MAIN_BIAS|PWR_HP_R_OUT_VOL_AMP|PWR_HP_L_OUT_VOL_AMP|PWR_SPK_OUT
  209. ,PWR_MAIN_BIAS|PWR_HP_R_OUT_VOL_AMP|PWR_HP_L_OUT_VOL_AMP|PWR_SPK_OUT);
  210. break;
  211. case POWER_STATE_D1_RECORD: //Low on of Record
  212. //ALC5627 don't support record function
  213. break;
  214. case POWER_STATE_D2: //STANDBY----
  215. //
  216. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD1,0,PWR_MAIN_I2S_EN|PWR_HP_AMP|PWR_HP_ENH_AMP);
  217. //
  218. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2,0,PWR_DAC_REF_CIR |PWR_L_DAC_CLK |PWR_R_DAC_CLK |PWR_L_DAC_L_D_S|PWR_R_DAC_R_D_S|PWR_L_HP_MIXER |PWR_R_HP_MIXER|PWR_SPK_MIXER|PWR_CLASS_D);
  219. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD3,0,PWR_HP_R_OUT_VOL_AMP|PWR_HP_L_OUT_VOL_AMP|PWR_SPK_OUT);
  220. break;
  221. case POWER_STATE_D2_PLAYBACK: //STANDBY of playback
  222. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD3,0,/*PWR_HP_R_OUT_VOL_AMP|PWR_HP_L_OUT_VOL_AMP|*/PWR_SPK_OUT);
  223. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD1,0,PWR_HP_AMP|PWR_HP_ENH_AMP);
  224. //
  225. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2,0,PWR_DAC_REF_CIR|PWR_L_DAC_CLK|PWR_R_DAC_CLK|PWR_L_DAC_L_D_S|PWR_R_DAC_R_D_S|PWR_L_HP_MIXER|PWR_R_HP_MIXER|PWR_SPK_MIXER|PWR_CLASS_D );
  226. break;
  227. case POWER_STATE_D3: //SLEEP
  228. case POWER_STATE_D4: //OFF----power off all power
  229. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD1,0,PWR_HP_AMP|PWR_HP_ENH_AMP);
  230. rt5627_write(codec,RT5627_PWR_MANAG_ADD3,PowerDownState);
  231. rt5627_write(codec,RT5627_PWR_MANAG_ADD1,PowerDownState);
  232. rt5627_write(codec,RT5627_PWR_MANAG_ADD2,PowerDownState);
  233. break;
  234. default:
  235. break;
  236. }
  237. return 0;
  238. }
  239. static int rt5627_AudioOutEnable(struct snd_soc_codec *codec,unsigned short int WavOutPath,int Mute)
  240. {
  241. int RetVal=0;
  242. if(Mute)
  243. {
  244. switch(WavOutPath)
  245. {
  246. case RT_WAVOUT_ALL_ON:
  247. RetVal=rt5627_write_mask(codec,RT5627_SPK_OUT_VOL,RT_L_MUTE|RT_R_MUTE,RT_L_MUTE|RT_R_MUTE); //Mute Speaker right/left channel
  248. RetVal=rt5627_write_mask(codec,RT5627_HP_OUT_VOL,RT_L_MUTE|RT_R_MUTE,RT_L_MUTE|RT_R_MUTE); //Mute headphone right/left channel
  249. RetVal=rt5627_write_mask(codec,RT5627_STEREO_DAC_VOL,RT_M_HP_MIXER|RT_M_SPK_MIXER
  250. ,RT_M_HP_MIXER|RT_M_SPK_MIXER); //Mute DAC to HP,Speaker
  251. break;
  252. case RT_WAVOUT_HP:
  253. RetVal=rt5627_write_mask(codec,RT5627_HP_OUT_VOL,RT_L_MUTE|RT_R_MUTE,RT_L_MUTE|RT_R_MUTE); //Mute headphone right/left channel
  254. break;
  255. case RT_WAVOUT_SPK:
  256. RetVal=rt5627_write_mask(codec,RT5627_SPK_OUT_VOL,RT_L_MUTE|RT_R_MUTE,RT_L_MUTE|RT_R_MUTE); //Mute Speaker right/left channel
  257. break;
  258. case RT_WAVOUT_DAC:
  259. RetVal=rt5627_write_mask(codec,RT5627_STEREO_DAC_VOL,RT_M_HP_MIXER|RT_M_SPK_MIXER
  260. ,RT_M_HP_MIXER|RT_M_SPK_MIXER); //Mute DAC to HP,Speaker
  261. break;
  262. default:
  263. return 0;
  264. }
  265. }
  266. else
  267. {
  268. switch(WavOutPath)
  269. {
  270. case RT_WAVOUT_ALL_ON:
  271. RetVal=rt5627_write_mask(codec,RT5627_SPK_OUT_VOL ,0,RT_L_MUTE|RT_R_MUTE); //Mute Speaker right/left channel
  272. RetVal=rt5627_write_mask(codec,RT5627_HP_OUT_VOL ,0,RT_L_MUTE|RT_R_MUTE); //Mute headphone right/left channel
  273. RetVal=rt5627_write_mask(codec,RT5627_STEREO_DAC_VOL,0,RT_M_HP_MIXER|RT_M_SPK_MIXER); //Mute DAC to HP,Speaker
  274. break;
  275. case RT_WAVOUT_HP:
  276. RetVal=rt5627_write_mask(codec,RT5627_HP_OUT_VOL,0,RT_L_MUTE|RT_R_MUTE); //unMute headphone right/left channel
  277. break;
  278. case RT_WAVOUT_SPK:
  279. RetVal=rt5627_write_mask(codec,RT5627_SPK_OUT_VOL,0,RT_L_MUTE|RT_R_MUTE); //unMute Speaker right/left channel
  280. break;
  281. case RT_WAVOUT_DAC:
  282. RetVal=rt5627_write_mask(codec,RT5627_STEREO_DAC_VOL,0,RT_M_HP_MIXER|RT_M_SPK_MIXER); //unMute DAC to HP,Speaker
  283. break;
  284. default:
  285. return 0;
  286. }
  287. }
  288. return RetVal;
  289. }
  290. #define rt5627_reset(c) rt5627_write(c, 0x0, 0)
  291. /*
  292. * RT5627 Controls
  293. */
  294. static const char *rt5627_spk_n_sour_sel[] = {"RN","RP","LN","MUTE"};
  295. static const char *rt5627_spkout_input_sel[] = {"Vmid","HP mixer","Speaker Mixer"};
  296. static const char *rt5627_hpl_out_input_sel[] = {"Vmid","HP Left mixer"};
  297. static const char *rt5627_hpr_out_input_sel[] = {"Vmid","HP Right mixer"};
  298. static const char *rt5627_class_d_ratio_sel[] = {"2.25vdd","2.00vdd","1.75vdd","1.5vdd","1.25vdd","1.0vdd"};
  299. static const struct soc_enum rt5627_enum[] = {
  300. SOC_ENUM_SINGLE(RT5627_OUTPUT_MIXER_CTRL, 14, 4, rt5627_spk_n_sour_sel),// 0
  301. SOC_ENUM_SINGLE(RT5627_OUTPUT_MIXER_CTRL, 10, 3, rt5627_spkout_input_sel),// 1
  302. SOC_ENUM_SINGLE(RT5627_OUTPUT_MIXER_CTRL, 9, 2, rt5627_hpl_out_input_sel),// 2
  303. SOC_ENUM_SINGLE(RT5627_OUTPUT_MIXER_CTRL, 8, 2, rt5627_hpr_out_input_sel),// 3
  304. SOC_ENUM_SINGLE(RT5627_GEN_CTRL, 9, 6, rt5627_class_d_ratio_sel),// 4
  305. };
  306. static const struct snd_kcontrol_new rt5627_snd_controls[] = {
  307. SOC_DOUBLE("Speaker Playback Volume", RT5627_SPK_OUT_VOL, 8, 0, 31, 1),
  308. SOC_DOUBLE("Speaker Playback Switch", RT5627_SPK_OUT_VOL, 15, 7, 1, 1),
  309. SOC_DOUBLE("Headphone Playback Volume", RT5627_HP_OUT_VOL, 8, 0, 31, 1),
  310. SOC_DOUBLE("Headphone Playback Switch", RT5627_HP_OUT_VOL,15, 7, 1, 1),
  311. SOC_DOUBLE("PCM Playback Volume", RT5627_STEREO_DAC_VOL, 8, 0, 31, 1),
  312. SOC_DOUBLE("PCM Playback Switch", RT5627_STEREO_DAC_VOL,15, 7, 1, 1),
  313. SOC_DOUBLE("LineIn Capture Volume", RT5627_LINE_IN_VOL, 8, 0, 31, 1),
  314. SOC_DOUBLE("AuxIn Capture Volume", RT5627_AUXIN_VOL, 8, 0, 31, 1),
  315. SOC_ENUM("Class D AMP ratio", rt5627_enum[4]),
  316. };
  317. /* add non dapm controls */
  318. static int rt5627_add_controls(struct snd_soc_codec *codec)
  319. {
  320. int err, i;
  321. for (i = 0; i < ARRAY_SIZE(rt5627_snd_controls); i++) {
  322. err = snd_ctl_add(codec->card,
  323. snd_soc_cnew(&rt5627_snd_controls[i],codec, NULL));
  324. if (err < 0)
  325. return err;
  326. }
  327. return 0;
  328. }
  329. /*
  330. * _DAPM_ Controls
  331. */
  332. /* We have to create a fake left and right HP mixers because
  333. * the codec only has a single control that is shared by both channels.
  334. * This makes it impossible to determine the audio path using the current
  335. * register map, thus we add a new (virtual) register to help determine the
  336. * audio route within the device.
  337. */
  338. static int mixer_event (struct snd_soc_dapm_widget *w,
  339. struct snd_kcontrol *kcontrol, int event)
  340. {
  341. u16 l=0, r=0, lineIn,auxin,pcm;
  342. struct snd_soc_device *socdev = rt5627_socdev;
  343. struct snd_soc_codec *codec = socdev->codec;
  344. l = rt5627_read(codec, HPL_MIXER);
  345. r = rt5627_read(codec, HPR_MIXER);
  346. lineIn = rt5627_read(codec, RT5627_LINE_IN_VOL);
  347. auxin = rt5627_read(codec,RT5627_AUXIN_VOL);
  348. pcm = rt5627_read(codec, RT5627_STEREO_DAC_VOL);
  349. if (event & SND_SOC_DAPM_PRE_REG)
  350. return 0;
  351. if (l & 0x1 || r & 0x1)
  352. rt5627_write(codec, RT5627_STEREO_DAC_VOL, pcm & 0x7fff);
  353. else
  354. rt5627_write(codec, RT5627_STEREO_DAC_VOL, pcm | 0x8000);
  355. if (l & 0x2 || r & 0x2)
  356. rt5627_write(codec, RT5627_AUXIN_VOL, auxin & 0x7fff);
  357. else
  358. rt5627_write(codec, RT5627_AUXIN_VOL, auxin | 0x8000);
  359. if (l & 0x4 || r & 0x4)
  360. rt5627_write(codec, RT5627_LINE_IN_VOL, lineIn & 0x7fff);
  361. else
  362. rt5627_write(codec, RT5627_LINE_IN_VOL, lineIn | 0x8000);
  363. return 0;
  364. }
  365. /* Left Headphone Mixers */
  366. static const struct snd_kcontrol_new rt5627_hpl_mixer_controls[] = {
  367. SOC_DAPM_SINGLE("LineIn Playback Switch", HPL_MIXER, 2, 1, 0),
  368. SOC_DAPM_SINGLE("AUXIN Playback Switch", HPL_MIXER, 1, 1, 0),
  369. SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 0, 1, 0),
  370. };
  371. /* Right Headphone Mixers */
  372. static const struct snd_kcontrol_new rt5627_hpr_mixer_controls[] = {
  373. SOC_DAPM_SINGLE("LineIn Playback Switch", HPR_MIXER, 2, 1, 0),
  374. SOC_DAPM_SINGLE("AUXIN Playback Switch", HPR_MIXER, 1, 1, 0),
  375. SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 0, 1, 0),
  376. };
  377. /* Speaker Mixer */
  378. static const struct snd_kcontrol_new rt5627_speaker_mixer_controls[] = {
  379. SOC_DAPM_SINGLE("LineIn Playback Switch", RT5627_LINE_IN_VOL, 14, 1, 1),
  380. SOC_DAPM_SINGLE("AuxIn Playback Switch", RT5627_AUXIN_VOL, 14, 1, 1),
  381. SOC_DAPM_SINGLE("PCM Playback Switch", RT5627_STEREO_DAC_VOL, 14, 1, 1),
  382. };
  383. /* speaker output mux */
  384. static const struct snd_kcontrol_new rt5627_spkout_mux_controls =
  385. SOC_DAPM_ENUM("Route", rt5627_enum[2]);
  386. /* headphone left output mux */
  387. static const struct snd_kcontrol_new rt5627_hpl_out_mux_controls =
  388. SOC_DAPM_ENUM("Route", rt5627_enum[3]);
  389. /* headphone right output mux */
  390. static const struct snd_kcontrol_new rt5627_hpr_out_mux_controls =
  391. SOC_DAPM_ENUM("Route", rt5627_enum[4]);
  392. static const struct snd_soc_dapm_widget rt5627_dapm_widgets[] = {
  393. SND_SOC_DAPM_MUX("Speaker Out Mux", SND_SOC_NOPM, 0, 0,
  394. &rt5627_spkout_mux_controls),
  395. SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
  396. &rt5627_hpl_out_mux_controls),
  397. SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
  398. &rt5627_hpr_out_mux_controls),
  399. SND_SOC_DAPM_MIXER_E("Left HP Mixer",RT5627_PWR_MANAG_ADD2, 5, 0,
  400. &rt5627_hpl_mixer_controls[0], ARRAY_SIZE(rt5627_hpl_mixer_controls),
  401. mixer_event, SND_SOC_DAPM_POST_REG),
  402. SND_SOC_DAPM_MIXER_E("Right HP Mixer",RT5627_PWR_MANAG_ADD2, 4, 0,
  403. &rt5627_hpr_mixer_controls[0], ARRAY_SIZE(rt5627_hpr_mixer_controls),
  404. mixer_event, SND_SOC_DAPM_POST_REG),
  405. SND_SOC_DAPM_MIXER("Speaker Mixer", RT5627_PWR_MANAG_ADD2,3,0,
  406. &rt5627_speaker_mixer_controls[0],
  407. ARRAY_SIZE(rt5627_speaker_mixer_controls)),
  408. SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", RT5627_PWR_MANAG_ADD2,9, 0),
  409. SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", RT5627_PWR_MANAG_ADD2, 8, 0),
  410. SND_SOC_DAPM_MIXER("IIS Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
  411. SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
  412. SND_SOC_DAPM_MIXER("AuxIn Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
  413. SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
  414. SND_SOC_DAPM_PGA("Left Headphone", RT5627_PWR_MANAG_ADD3, 10, 0, NULL, 0),
  415. SND_SOC_DAPM_PGA("Right Headphone", RT5627_PWR_MANAG_ADD3, 9, 0, NULL, 0),
  416. SND_SOC_DAPM_PGA("Speaker Out", RT5627_PWR_MANAG_ADD3, 12, 0, NULL, 0),
  417. SND_SOC_DAPM_PGA("Left Aux Out", RT5627_PWR_MANAG_ADD3, 14, 0, NULL, 0),
  418. SND_SOC_DAPM_PGA("Right Aux Out", RT5627_PWR_MANAG_ADD3, 13, 0, NULL, 0),
  419. SND_SOC_DAPM_PGA("Left Line In", RT5627_PWR_MANAG_ADD3, 7, 0, NULL, 0),
  420. SND_SOC_DAPM_PGA("Right Line In", RT5627_PWR_MANAG_ADD3, 6, 0, NULL, 0),
  421. SND_SOC_DAPM_PGA("Left Aux In",RT5627_PWR_MANAG_ADD3, 5, 0, NULL, 0),
  422. SND_SOC_DAPM_PGA("Right Aux In",RT5627_PWR_MANAG_ADD3, 4, 0, NULL, 0),
  423. SND_SOC_DAPM_OUTPUT("HPL"),
  424. SND_SOC_DAPM_OUTPUT("HPR"),
  425. SND_SOC_DAPM_OUTPUT("SPKOUT"),
  426. SND_SOC_DAPM_INPUT("LINEL"),
  427. SND_SOC_DAPM_INPUT("LINER"),
  428. SND_SOC_DAPM_INPUT("AUXINL"),
  429. SND_SOC_DAPM_INPUT("AUXINR"),
  430. SND_SOC_DAPM_VMID("VMID"),
  431. };
  432. static const char *audio_map[][3] = {
  433. /* left HP mixer */
  434. {"Left HP Mixer", "LineIn Playback Switch", "LINEL"},
  435. {"Left HP Mixer", "AuxIn Playback Switch","AUXIN"},
  436. {"Left HP Mixer", "PCM Playback Switch","Left DAC"},
  437. /* right HP mixer */
  438. {"Right HP Mixer", "LineIn Playback Switch", "LINER"},
  439. {"Right HP Mixer", "AuxIn Playback Switch","AUXIN"},
  440. {"Right HP Mixer", "PCM Playback Switch","Right DAC"},
  441. /* virtual mixer - mixes left & right channels for spk and mono */
  442. {"IIS Mixer", NULL, "Left DAC"},
  443. {"IIS Mixer", NULL, "Right DAC"},
  444. {"Line Mixer", NULL, "Right Line In"},
  445. {"Line Mixer", NULL, "Left Line In"},
  446. {"HP Mixer", NULL, "Left HP Mixer"},
  447. {"HP Mixer", NULL, "Right HP Mixer"},
  448. {"AuxIn Mixer",NULL,"Left Aux In"},
  449. {"AuxIn Mixer",NULL,"Right Aux In"},
  450. /* speaker mixer */
  451. {"Speaker Mixer", "LineIn Playback Switch","Line Mixer"},
  452. {"Speaker Mixer", "AuxIn Playback Switch","AuxIn Mixer"},
  453. {"Speaker Mixer", "PCM Playback Switch","IIS Mixer"},
  454. /* headphone left mux */
  455. {"Left Headphone Out Mux", "HP Left mixer", "Left HP Mixer"},
  456. /* headphone right mux */
  457. {"Right Headphone Out Mux", "HP Right mixer", "Right HP Mixer"},
  458. /* speaker out mux */
  459. {"Speaker Out Mux", "HP mixer", "HP Mixer"},
  460. {"Speaker Out Mux", "Speaker Mixer", "Speaker Mixer"},
  461. /* output pga */
  462. {"HPL", NULL, "Left Headphone"},
  463. {"Left Headphone", NULL, "Left Headphone Out Mux"},
  464. {"HPR", NULL, "Right Headphone"},
  465. {"Right Headphone", NULL, "Right Headphone Out Mux"},
  466. {"SPKOUT", NULL, "Speaker Out"},
  467. {"Speaker Out", NULL, "Speaker Out Mux"},
  468. /* input pga */
  469. {"Left Line In", NULL, "LINEL"},
  470. {"Right Line In", NULL, "LINER"},
  471. {"Left Aux In", NULL, "AUXINL"},
  472. {"Right Aux In", NULL, "AUXINR"},
  473. /* terminator */
  474. {NULL, NULL, NULL},
  475. };
  476. static int rt5627_add_widgets(struct snd_soc_codec *codec)
  477. {
  478. int i;
  479. for (i = 0; i < ARRAY_SIZE(rt5627_dapm_widgets); i++)
  480. snd_soc_dapm_new_control(codec, &rt5627_dapm_widgets[i]);
  481. /* set up the RT5627 audio map */
  482. for (i = 0; audio_map[i][0] != NULL; i++) {
  483. snd_soc_dapm_connect_input(codec, audio_map[i][0],
  484. audio_map[i][1], audio_map[i][2]);
  485. }
  486. snd_soc_dapm_new_widgets(codec);
  487. return 0;
  488. }
  489. /* PLL divisors */
  490. struct _pll_div {
  491. u32 pll_in;
  492. u32 pll_out;
  493. u16 regvalue;
  494. };
  495. static const struct _pll_div codec_master_pll_div[] = {
  496. { 2048000, 8192000, 0x0ea0},
  497. { 3686400, 8192000, 0x4e27},
  498. { 12000000, 8192000, 0x456b},
  499. { 13000000, 8192000, 0x495f},
  500. { 13100000, 8192000, 0x0320},
  501. { 2048000, 11289600, 0xf637},
  502. { 3686400, 11289600, 0x2f22},
  503. { 12000000, 11289600, 0x3e2f},
  504. { 13000000, 11289600, 0x4d5b},
  505. { 13100000, 11289600, 0x363b},
  506. { 2048000, 16384000, 0x1ea0},
  507. { 3686400, 16384000, 0x9e27},
  508. { 12000000, 16384000, 0x452b},
  509. { 13000000, 16384000, 0x542f},
  510. { 13100000, 16384000, 0x03a0},
  511. { 2048000, 16934400, 0xe625},
  512. { 3686400, 16934400, 0x9126},
  513. { 12000000, 16934400, 0x4d2c},
  514. { 13000000, 16934400, 0x742f},
  515. { 13100000, 16934400, 0x3c27},
  516. { 2048000, 22579200, 0x2aa0},
  517. { 3686400, 22579200, 0x2f20},
  518. { 12000000, 22579200, 0x7e2f},
  519. { 13000000, 22579200, 0x742f},
  520. { 13100000, 22579200, 0x3c27},
  521. { 2048000, 24576000, 0x2ea0},
  522. { 3686400, 24576000, 0xee27},
  523. { 12000000, 24576000, 0x2915},
  524. { 13000000, 24576000, 0x772e},
  525. { 13100000, 24576000, 0x0d20},
  526. };
  527. static const struct _pll_div codec_slave_pll_div[] = {
  528. { 1024000, 16384000, 0x3ea0},
  529. { 1411200, 22579200, 0x3ea0},
  530. { 1536000, 24576000, 0x3ea0},
  531. { 2048000, 16384000, 0x1ea0},
  532. { 2822400, 22579200, 0x1ea0},
  533. { 3072000, 24576000, 0x1ea0},
  534. };
  535. static int rt5627_set_dai_pll(struct snd_soc_codec_dai *codec_dai,
  536. int pll_id, unsigned int freq_in, unsigned int freq_out)
  537. {
  538. int i;
  539. struct snd_soc_codec *codec = codec_dai->codec;
  540. if (pll_id < RT5627_PLL_FR_MCLK || pll_id > RT5627_PLL_FR_BCK)
  541. return -ENODEV;
  542. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2, 0x0000,0x1000); //disable PLL power
  543. if (!freq_in || !freq_out) {
  544. return 0;
  545. }
  546. if (pll_id == RT5627_PLL_FR_MCLK) { //codec is master mode
  547. //HIKO DEBUG:
  548. printk("[HIKO AUDIO]pll_id == RT5627_PLL_FR_MCLK");
  549. for (i = 0; i < ARRAY_SIZE(codec_master_pll_div); i++) {
  550. if (codec_master_pll_div[i].pll_in == freq_in && codec_master_pll_div[i].pll_out == freq_out)
  551. {
  552. //HIKO DEBUG:
  553. printk("[HIKO AUDIO]i==0x%X", i);
  554. rt5627_write(codec,RT5627_GLOBAL_CLK_CTRL,0x8000);//PLL source from MCLK,Clock source from PLL
  555. rt5627_write(codec,RT5627_PLL_CTRL,codec_master_pll_div[i].regvalue);//set PLL parameter
  556. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2, 0x1000,0x1000); //enable PLL power
  557. break;
  558. }
  559. }
  560. } else { //codec is slave mode
  561. //HIKO DEBUG:
  562. printk("[HIKO AUDIO]pll_id != RT5627_PLL_FR_MCLK");
  563. for (i = 0; i < ARRAY_SIZE(codec_slave_pll_div); i++) {
  564. if (codec_slave_pll_div[i].pll_in == freq_in && codec_slave_pll_div[i].pll_out == freq_out)
  565. {
  566. //HIKO DEBUG:
  567. printk("[HIKO AUDIO]i==0x%X", i);
  568. rt5627_write(codec,RT5627_GLOBAL_CLK_CTRL,0xC000);//PLL source from Bitclk
  569. rt5627_write(codec,RT5627_PLL_CTRL,codec_master_pll_div[i].regvalue);//set PLL parameter
  570. rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2, 0x1000,0x1000); //enable PLL power
  571. break;
  572. }
  573. }
  574. }
  575. return 0;
  576. }
  577. struct _coeff_div {
  578. u32 mclk;
  579. u32 rate;
  580. u16 fs;
  581. u16 regvalue;
  582. };
  583. /* codec hifi mclk (after PLL) clock divider coefficients */
  584. static const struct _coeff_div coeff_div[] = {
  585. /* 8k */
  586. { 8192000, 8000, 256*4, 0x2a69},
  587. {12288000, 8000, 384*4, 0x2c6b},
  588. /* 11.025k */
  589. {11289600, 11025, 256*4, 0x2a69},
  590. {16934400, 11025, 384*4, 0x2c6b},
  591. /* 16k */
  592. {16384000, 16000, 256*4, 0x2a69},
  593. {24576000, 16000, 384*4, 0x2c6b},
  594. /* 22.05k */
  595. {11289600, 22050, 256*2, 0x1a69},
  596. {16934400, 22050, 384*2, 0x1c6b},
  597. /* 32k */
  598. {16384000, 32000, 256*2, 0x1a69},
  599. {24576000, 32000, 384*2, 0x1c6b},
  600. /* 44.1k */
  601. {22579200, 44100, 256*2, 0x1a69},
  602. /* 48k */
  603. {24576000, 48000, 256*2, 0x1a69},
  604. };
  605. static int get_coeff(int mclk, int rate)
  606. {
  607. int i;
  608. printk("get_coeff mclk=%d,rate=%d\n",mclk,rate);
  609. for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
  610. if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
  611. return i;
  612. }
  613. return -EINVAL;
  614. }
  615. /*
  616. * Clock after PLL and dividers
  617. */
  618. static int rt5627_set_dai_sysclk(struct snd_soc_codec_dai *codec_dai,
  619. int clk_id, unsigned int freq, int dir)
  620. {
  621. struct snd_soc_codec *codec = codec_dai->codec;
  622. struct rt5627_priv *rt5627 = codec->private_data;
  623. switch (freq) {
  624. case 8192000:
  625. case 11289600:
  626. case 12288000:
  627. case 16384000:
  628. case 16934400:
  629. case 18432000:
  630. case 22579200:
  631. case 24576000:
  632. rt5627->sysclk = freq;
  633. return 0;
  634. }
  635. return -EINVAL;
  636. }
  637. static int rt5627_set_dai_fmt(struct snd_soc_codec_dai *codec_dai,
  638. unsigned int fmt)
  639. {
  640. struct snd_soc_codec *codec = codec_dai->codec;
  641. u16 iface = 0;
  642. /* set master/slave audio interface */
  643. switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
  644. case SND_SOC_DAIFMT_CBM_CFM:
  645. iface = 0x0000;
  646. break;
  647. case SND_SOC_DAIFMT_CBS_CFS:
  648. iface = 0x8000;
  649. break;
  650. default:
  651. return -EINVAL;
  652. }
  653. /* interface format */
  654. switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
  655. case SND_SOC_DAIFMT_I2S:
  656. iface |= 0x0000;
  657. break;
  658. case SND_SOC_DAIFMT_RIGHT_J:
  659. iface |= 0x0001;
  660. break;
  661. case SND_SOC_DAIFMT_LEFT_J:
  662. iface |= 0x0002;
  663. break;
  664. case SND_SOC_DAIFMT_DSP_A:
  665. iface |= 0x0003;
  666. break;
  667. case SND_SOC_DAIFMT_DSP_B:
  668. iface |= 0x4003;
  669. break;
  670. default:
  671. return -EINVAL;
  672. }
  673. /* clock inversion */
  674. switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
  675. case SND_SOC_DAIFMT_NB_NF:
  676. break;
  677. case SND_SOC_DAIFMT_IB_IF:
  678. iface |= 0x0080;
  679. break;
  680. case SND_SOC_DAIFMT_IB_NF:
  681. iface |= 0x0080;
  682. break;
  683. case SND_SOC_DAIFMT_NB_IF:
  684. break;
  685. default:
  686. return -EINVAL;
  687. }
  688. rt5627_write_mask(codec,RT5627_AUDIO_DATA_CTRL, iface,0x4803);
  689. return 0;
  690. }
  691. static int rt5627_pcm_hw_params(struct snd_pcm_substream *substream,
  692. struct snd_pcm_hw_params *params)
  693. {
  694. struct snd_soc_pcm_runtime *rtd = substream->private_data;
  695. struct snd_soc_device *socdev = rtd->socdev;
  696. struct snd_soc_codec *codec = socdev->codec;
  697. struct rt5627_priv *rt5627 = codec->private_data;
  698. u16 iface=rt5627_read(codec,RT5627_AUDIO_DATA_CTRL)&0xfff3;
  699. int coeff = get_coeff(rt5627->sysclk, params_rate(params));
  700. printk("rt5627_pcm_hw_params %d\n",params_rate(params));
  701. /* bit size */
  702. switch (params_format(params)) {
  703. case SNDRV_PCM_FORMAT_S16_LE:
  704. break;
  705. case SNDRV_PCM_FORMAT_S20_3LE:
  706. iface |= 0x0004;
  707. break;
  708. case SNDRV_PCM_FORMAT_S24_LE:
  709. iface |= 0x0008;
  710. break;
  711. case SNDRV_PCM_FORMAT_S32_LE:
  712. iface |= 0x000c;
  713. break;
  714. }
  715. /* set iface & srate */
  716. rt5627_write(codec,RT5627_AUDIO_DATA_CTRL, iface);
  717. if (coeff >= 0)
  718. rt5627_write(codec,RT5627_DAC_CLK_CTRL,coeff_div[coeff].regvalue);
  719. return 0;
  720. }
  721. static int rt5627_pcm_hw_trigger(struct snd_pcm_substream *substream,int cmd)
  722. {
  723. // struct snd_pcm_runtime *runtime = substream->runtime;
  724. struct snd_soc_pcm_runtime *rtd = substream->private_data;
  725. struct snd_soc_device *socdev = rtd->socdev;
  726. struct snd_soc_codec *codec = socdev->codec;
  727. int ret = 0;
  728. switch (cmd) {
  729. case SNDRV_PCM_TRIGGER_START:
  730. if(substream->stream==SNDRV_PCM_STREAM_PLAYBACK)
  731. {
  732. rt5627_ChangeCodecPowerStatus(codec,POWER_STATE_D1_PLAYBACK);
  733. rt5627_AudioOutEnable(codec,RT_WAVOUT_SPK,0);
  734. rt5627_AudioOutEnable(codec,RT_WAVOUT_HP,0);
  735. //HIKO DEBIG:
  736. printk(KERN_NOTICE "[HIKO AUDIO]rt5627_AudioOutEnable");
  737. }
  738. break;
  739. case SNDRV_PCM_TRIGGER_STOP:
  740. case SNDRV_PCM_TRIGGER_SUSPEND:
  741. case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
  742. break;
  743. case SNDRV_PCM_TRIGGER_RESUME:
  744. break;
  745. case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
  746. break;
  747. default:
  748. ret = -EINVAL;
  749. }
  750. return ret;
  751. }
  752. static int rt5627_mute(struct snd_soc_codec_dai *dai, int mute)
  753. {
  754. struct snd_soc_codec *codec = dai->codec;
  755. u16 mute_reg = rt5627_read(codec, RT5627_MISC2_CTRL) & 0xfff3;
  756. if (mute)
  757. {
  758. rt5627_write(codec, RT5627_MISC2_CTRL, mute_reg | 0xc);
  759. }
  760. else
  761. {
  762. rt5627_write(codec, RT5627_MISC2_CTRL, mute_reg);
  763. }
  764. return 0;
  765. }
  766. static int rt5627_dapm_event(struct snd_soc_codec *codec, int event)
  767. {
  768. switch (event) {
  769. case SNDRV_CTL_POWER_D0: /* full On */
  770. printk("rt5627_dapm_event_POWER_D0\n");
  771. break;
  772. case SNDRV_CTL_POWER_D1: /* partial On */
  773. printk("rt5627_dapm_event_POWER_D1\n");
  774. case SNDRV_CTL_POWER_D2: /* partial On */
  775. printk("rt5627_dapm_event_POWER_D2\n");
  776. break;
  777. case SNDRV_CTL_POWER_D3hot: /* Off, with power */
  778. printk("rt5627_dapm_event_POWER_D3\n");
  779. break;
  780. case SNDRV_CTL_POWER_D3cold: /* Off, without power */
  781. printk("rt5627_dapm_event_POWER_D4\n");
  782. break;
  783. }
  784. codec->dapm_state = event;
  785. return 0;
  786. }
  787. #define RT5627_RATES SNDRV_PCM_RATE_48000
  788. #define RT5627_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
  789. SNDRV_PCM_FMTBIT_S24_LE)
  790. struct snd_soc_codec_dai rt5627_dai = {
  791. .name = "RT5627",
  792. .playback = {
  793. .stream_name = "Playback",
  794. .channels_min = 1,
  795. .channels_max = 2,
  796. .rates = RT5627_RATES,
  797. .formats = RT5627_FORMATS,},
  798. .ops = {
  799. .hw_params = rt5627_pcm_hw_params,
  800. .trigger = rt5627_pcm_hw_trigger,
  801. },
  802. .dai_ops = {
  803. .digital_mute = rt5627_mute,
  804. .set_fmt = rt5627_set_dai_fmt,
  805. .set_sysclk = rt5627_set_dai_sysclk,
  806. .set_pll = rt5627_set_dai_pll,
  807. },
  808. };
  809. EXPORT_SYMBOL_GPL(rt5627_dai);
  810. static void rt5627_work(struct work_struct *work)
  811. {
  812. struct snd_soc_codec *codec =
  813. container_of(work, struct snd_soc_codec, delayed_work.work);
  814. rt5627_dapm_event(codec, codec->dapm_state);
  815. }
  816. static int rt5627_suspend(struct platform_device *pdev, pm_message_t state)
  817. {
  818. struct snd_soc_device *socdev = platform_get_drvdata(pdev);
  819. struct snd_soc_codec *codec = socdev->codec;
  820. /* we only need to suspend if we are a valid card */
  821. if(!codec->card)
  822. return 0;
  823. rt5627_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
  824. return 0;
  825. }
  826. static int rt5627_resume(struct platform_device *pdev)
  827. {
  828. struct snd_soc_device *socdev = platform_get_drvdata(pdev);
  829. struct snd_soc_codec *codec = socdev->codec;
  830. int i;
  831. u8 data[3];
  832. u16 *cache = codec->reg_cache;
  833. /* we only need to resume if we are a valid card */
  834. if(!codec->card)
  835. return 0;
  836. /* Sync reg_cache with the hardware */
  837. for (i = 0; i < ARRAY_SIZE(rt5627_reg); i++) {
  838. if (i == RT5627_RESET)
  839. continue;
  840. data[0] =i*2;
  841. data[1] = (0xFF00 & cache[i]) >> 8;
  842. data[2] = 0x00FF & cache[i];
  843. codec->hw_write(codec->control_data, data, 3);
  844. }
  845. rt5627_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
  846. /* charge rt5627 caps */
  847. if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) {
  848. rt5627_dapm_event(codec, SNDRV_CTL_POWER_D2);
  849. codec->dapm_state = SNDRV_CTL_POWER_D0;
  850. schedule_delayed_work(&codec->delayed_work,
  851. msecs_to_jiffies(caps_charge));
  852. }
  853. return 0;
  854. }
  855. /*
  856. * initialise the RT5627 driver
  857. * register the mixer and dsp interfaces with the kernel
  858. */
  859. static int rt5627_init(struct snd_soc_device *socdev)
  860. {
  861. struct snd_soc_codec *codec = socdev->codec;
  862. int ret = 0,i=0;
  863. codec->name = "RT5627";
  864. codec->owner = THIS_MODULE;
  865. codec->read = rt5627_read;
  866. codec->write = rt5627_write;
  867. codec->dapm_event = rt5627_dapm_event;
  868. codec->dai = &rt5627_dai;
  869. codec->num_dai = 1;
  870. codec->reg_cache_size = sizeof(rt5627_reg);
  871. codec->reg_cache = kmemdup(rt5627_reg, sizeof(rt5627_reg), GFP_KERNEL);
  872. printk(KERN_NOTICE "[HIKO] rt5627_init()\n");
  873. if (codec->reg_cache == NULL)
  874. return -ENOMEM;
  875. rt5627_reset(codec);
  876. /* register pcms */
  877. ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
  878. if (ret < 0) {
  879. printk(KERN_ERR "rt5627: failed to create pcms\n");
  880. goto pcm_err;
  881. }
  882. rt5627_write(codec, RT5627_PWR_MANAG_ADD3, 0x8000);//enable Main bias
  883. rt5627_write(codec, RT5627_PWR_MANAG_ADD2, 0x2000);//enable Vref
  884. /* charge output caps */
  885. rt5627_dapm_event(codec, SNDRV_CTL_POWER_D2);
  886. codec->dapm_state = SNDRV_CTL_POWER_D3hot;
  887. schedule_delayed_work(&codec->delayed_work,
  888. msecs_to_jiffies(caps_charge));
  889. for(i=0;i<SET_CODEC_REG_INIT_NUM;i++)
  890. {
  891. rt5627_write(codec,Set_Codec_Reg_Init[i][0],Set_Codec_Reg_Init[i][1]);
  892. }
  893. rt5627_add_controls(codec);
  894. // rt5627_add_widgets(codec);
  895. ret = snd_soc_register_card(socdev);
  896. if (ret < 0) {
  897. printk(KERN_ERR "rt5627: failed to register card\n");
  898. goto card_err;
  899. }
  900. //HIKO DEBUG: for REALTEK 5627 on ebook proj
  901. // s3c2410_gpio_cfgpin(S3C2410_GPB10, S3C2410_GPB10_OUTP);
  902. // s3c2410_gpio_setpin(S3C2410_GPB10, 1);
  903. // printk(KERN_NOTICE "[HIKO AUDIO]Enable GPB10 output");
  904. return ret;
  905. card_err:
  906. snd_soc_free_pcms(socdev);
  907. snd_soc_dapm_free(socdev);
  908. pcm_err:
  909. kfree(codec->reg_cache);
  910. return ret;
  911. }
  912. /* If the i2c layer weren't so broken, we could pass this kind of data
  913. around */
  914. #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
  915. /*
  916. * RT5627 2 wire address is determined by A1 pin
  917. * state during powerup.
  918. * low = 0x1a
  919. * high = 0x1b
  920. */
  921. static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
  922. /* Magic definition of all other variables and things */
  923. I2C_CLIENT_INSMOD;
  924. static struct i2c_driver rt5627_i2c_driver;
  925. static struct i2c_client client_template;
  926. static int rt5627_codec_probe(struct i2c_adapter *adap, int addr, int kind)
  927. {
  928. struct snd_soc_device *socdev = rt5627_socdev;
  929. struct rt5627_setup_data *setup = socdev->codec_data;
  930. struct snd_soc_codec *codec = socdev->codec;
  931. struct i2c_client *i2c;
  932. int ret;
  933. printk(KERN_NOTICE "[HIKO] rt5627_codec_probe()\n");
  934. if (addr != setup->i2c_address)
  935. return -ENODEV;
  936. client_template.adapter = adap;
  937. client_template.addr = addr;
  938. i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
  939. if (i2c == NULL){
  940. kfree(codec);
  941. return -ENOMEM;
  942. }
  943. i2c_set_clientdata(i2c, codec);
  944. codec->control_data = i2c;
  945. ret = i2c_attach_client(i2c);
  946. if (ret < 0) {
  947. err("failed to attach codec at addr %x\n", addr);
  948. goto err;
  949. }
  950. ret = rt5627_init(socdev);
  951. if (ret < 0) {
  952. err("failed to initialise RT5627\n");
  953. goto err;
  954. }
  955. return ret;
  956. err:
  957. kfree(codec);
  958. kfree(i2c);
  959. return ret;
  960. }
  961. static int rt5627_i2c_detach(struct i2c_client *client)
  962. {
  963. struct snd_soc_codec *codec = i2c_get_clientdata(client);
  964. i2c_detach_client(client);
  965. kfree(codec->reg_cache);
  966. kfree(client);
  967. return 0;
  968. }
  969. static int rt5627_i2c_attach(struct i2c_adapter *adap)
  970. {
  971. return i2c_probe(adap, &addr_data, rt5627_codec_probe);
  972. }
  973. /* corgi i2c codec control layer */
  974. static struct i2c_driver rt5627_i2c_driver = {
  975. .driver = {
  976. .name = "RT5627 I2C Codec",
  977. .owner = THIS_MODULE,
  978. },
  979. .id = I2C_DRIVERID_I2CDEV,
  980. // .id = I2C_DRIVERID_RT5627,
  981. .attach_adapter = rt5627_i2c_attach,
  982. .detach_client = rt5627_i2c_detach,
  983. .command = NULL,
  984. };
  985. static struct i2c_client client_template = {
  986. .name = "RT5627",
  987. .driver = &rt5627_i2c_driver,
  988. };
  989. #endif
  990. static int rt5627_probe(struct platform_device *pdev)
  991. {
  992. struct snd_soc_device *socdev = platform_get_drvdata(pdev);
  993. struct rt5627_setup_data *setup;
  994. struct snd_soc_codec *codec;
  995. struct rt5627_priv *rt5627;
  996. int ret = 0;
  997. info("RT5627 Audio Codec %s",RT5627_VERSION);
  998. setup = socdev->codec_data;
  999. codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
  1000. if (codec == NULL)
  1001. return -ENOMEM;
  1002. rt5627 = kzalloc(sizeof(struct rt5627_priv), GFP_KERNEL);
  1003. if (rt5627 == NULL) {
  1004. kfree(codec);
  1005. return -ENOMEM;
  1006. }
  1007. codec->private_data = rt5627;
  1008. socdev->codec = codec;
  1009. mutex_init(&codec->mutex);
  1010. INIT_LIST_HEAD(&codec->dapm_widgets);
  1011. INIT_LIST_HEAD(&codec->dapm_paths);
  1012. rt5627_socdev = socdev;
  1013. INIT_DELAYED_WORK(&codec->delayed_work, rt5627_work);
  1014. #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
  1015. if (setup->i2c_address) {
  1016. normal_i2c[0] = setup->i2c_address;
  1017. codec->hw_write = (hw_write_t)i2c_master_send;
  1018. codec->hw_read = (hw_read_t)i2c_master_recv;
  1019. ret = i2c_add_driver(&rt5627_i2c_driver);
  1020. if (ret != 0)
  1021. printk(KERN_ERR "can't add i2c driver");
  1022. }
  1023. #else
  1024. /* Add other interfaces here */
  1025. #endif
  1026. return ret;
  1027. }
  1028. /*
  1029. * This function forces any delayed work to be queued and run.
  1030. */
  1031. static int run_delayed_work(struct delayed_work *dwork)
  1032. {
  1033. int ret;
  1034. /* cancel any work waiting to be queued. */
  1035. ret = cancel_delayed_work(dwork);
  1036. /* if there was any work waiting then we run it now and
  1037. * wait for it's completion */
  1038. if (ret) {
  1039. schedule_delayed_work(dwork, 0);
  1040. flush_scheduled_work();
  1041. }
  1042. return ret;
  1043. }
  1044. /* power down chip */
  1045. static int rt5627_remove(struct platform_device *pdev)
  1046. {
  1047. struct snd_soc_device *socdev = platform_get_drvdata(pdev);
  1048. struct snd_soc_codec *codec = socdev->codec;
  1049. if (codec->control_data)
  1050. rt5627_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
  1051. run_delayed_work(&codec->delayed_work);
  1052. snd_soc_free_pcms(socdev);
  1053. snd_soc_dapm_free(socdev);
  1054. #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
  1055. i2c_del_driver(&rt5627_i2c_driver);
  1056. #endif
  1057. kfree(codec->private_data);
  1058. kfree(codec);
  1059. return 0;
  1060. }
  1061. struct snd_soc_codec_device soc_codec_dev_rt5627 = {
  1062. .probe = rt5627_probe,
  1063. .remove = rt5627_remove,
  1064. .suspend = rt5627_suspend,
  1065. .resume = rt5627_resume,
  1066. };
  1067. EXPORT_SYMBOL_GPL(soc_codec_dev_rt5627);
  1068. MODULE_DESCRIPTION("ASoC RT5627/5628 driver");
  1069. MODULE_AUTHOR("flove");
  1070. MODULE_LICENSE("GPL");