mt_clkmgr_legacy.c 106 KB

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  1. #include <linux/kernel.h>
  2. #include <linux/module.h>
  3. #include <linux/types.h>
  4. #include <linux/delay.h>
  5. #include <linux/list.h>
  6. #include <linux/slab.h>
  7. #include <linux/spinlock.h>
  8. #include <linux/proc_fs.h>
  9. #include <linux/seq_file.h>
  10. #include <linux/uaccess.h>
  11. #include <linux/device.h>
  12. #include <linux/platform_device.h>
  13. #include <linux/smp.h>
  14. /* #include <linux/earlysuspend.h> */
  15. #include <linux/io.h>
  16. /* **** */
  17. /* #include <mach/mt_typedefs.h> */
  18. #include <mt-plat/sync_write.h>
  19. #include <mach/mt_clkmgr.h>
  20. /* #include <mach/mt_dcm.h> */
  21. #include <mach/mt_spm_mtcmos.h>
  22. /* #include <mach/mt_spm_sleep.h> */
  23. /* #include <mach/mt_freqhopping.h> */
  24. /* #include <mach/mt_gpufreq.h> */
  25. /* #include <mach/irqs.h> */
  26. /* #include <mach/upmu_common.h> */
  27. /* #include <mach/upmu_sw.h> */
  28. /* #include <mach/upmu_hw.h> */
  29. #include "mt_spm.h"
  30. #ifdef CONFIG_OF
  31. #include <linux/of.h>
  32. #include <linux/of_address.h>
  33. #endif
  34. #ifdef CONFIG_OF
  35. void __iomem *clk_apmixed_base;
  36. void __iomem *clk_cksys_base;
  37. void __iomem *clk_infracfg_ao_base;
  38. void __iomem *clk_pericfg_base;
  39. void __iomem *clk_audio_base;
  40. void __iomem *clk_mfgcfg_base;
  41. void __iomem *clk_mmsys_config_base;
  42. void __iomem *clk_imgsys_base;
  43. void __iomem *clk_vdec_gcon_base;
  44. void __iomem *clk_venc_gcon_base;
  45. #endif
  46. /* #define CLK_LOG_TOP */
  47. /* #define CLK_LOG */
  48. /* #define DISP_CLK_LOG */
  49. /* #define SYS_LOG */
  50. /* #define MUX_LOG_TOP */
  51. #define MUX_LOG
  52. /* #define PLL_LOG_TOP */
  53. #define PLL_LOG
  54. /* **** */
  55. #define Bring_Up
  56. #define VLTE_SUPPORT
  57. /************************************************
  58. ********** log debug **********
  59. ************************************************/
  60. #define TAG "[Power/clkmgr] "
  61. #define clk_err(fmt, args...) \
  62. pr_err(TAG fmt, ##args)
  63. #define clk_warn(fmt, args...) \
  64. pr_warn(TAG fmt, ##args)
  65. #define clk_info(fmt, args...) \
  66. pr_info(TAG fmt, ##args)
  67. #define clk_dbg(fmt, args...) \
  68. pr_debug(TAG fmt, ##args)
  69. /************************************************
  70. ********** register access **********
  71. ************************************************/
  72. #define clk_readl(addr) \
  73. readl(addr)
  74. /* DRV_Reg32(addr) */
  75. #define clk_writel(addr, val) \
  76. mt_reg_sync_writel(val, addr)
  77. #define clk_setl(addr, val) \
  78. mt_reg_sync_writel(clk_readl(addr) | (val), addr)
  79. #define clk_clrl(addr, val) \
  80. mt_reg_sync_writel(clk_readl(addr) & ~(val), addr)
  81. /************************************************
  82. ********** struct definition **********
  83. ************************************************/
  84. /* #define CONFIG_CLKMGR_STAT */
  85. struct pll;
  86. struct pll_ops {
  87. int (*get_state)(struct pll *pll);
  88. /* void (*change_mode)(int mode); */
  89. void (*enable)(struct pll *pll);
  90. void (*disable)(struct pll *pll);
  91. void (*fsel)(struct pll *pll, unsigned int value);
  92. int (*dump_regs)(struct pll *pll, unsigned int *ptr);
  93. /* unsigned int (*vco_calc)(struct pll *pll); */
  94. int (*hp_enable)(struct pll *pll);
  95. int (*hp_disable)(struct pll *pll);
  96. };
  97. struct pll {
  98. const char *name;
  99. int type;
  100. int mode;
  101. int feat;
  102. int state;
  103. unsigned int cnt;
  104. unsigned int en_mask;
  105. void __iomem *base_addr;
  106. void __iomem *pwr_addr;
  107. struct pll_ops *ops;
  108. unsigned int hp_id;
  109. int hp_switch;
  110. #ifdef CONFIG_CLKMGR_STAT
  111. struct list_head head;
  112. #endif
  113. };
  114. struct subsys;
  115. struct subsys_ops {
  116. int (*enable)(struct subsys *sys);
  117. int (*disable)(struct subsys *sys);
  118. int (*get_state)(struct subsys *sys);
  119. int (*dump_regs)(struct subsys *sys, unsigned int *ptr);
  120. };
  121. struct subsys {
  122. const char *name;
  123. int type;
  124. int force_on;
  125. unsigned int cnt;
  126. unsigned int state;
  127. unsigned int default_sta;
  128. unsigned int sta_mask; /* mask in PWR_STATUS */
  129. void __iomem *ctl_addr;
  130. /* int (*pwr_ctrl)(int state); */
  131. struct subsys_ops *ops;
  132. struct cg_grp *start;
  133. unsigned int nr_grps;
  134. struct clkmux *mux;
  135. #ifdef CONFIG_CLKMGR_STAT
  136. struct list_head head;
  137. #endif
  138. };
  139. struct clkmux;
  140. struct clkmux_ops {
  141. void (*sel)(struct clkmux *mux, unsigned int clksrc);
  142. void (*enable)(struct clkmux *mux);
  143. void (*disable)(struct clkmux *mux);
  144. };
  145. struct clkmux {
  146. const char *name;
  147. unsigned int cnt;
  148. void __iomem *base_addr;
  149. unsigned int sel_mask;
  150. unsigned int pdn_mask;
  151. unsigned int offset;
  152. unsigned int nr_inputs;
  153. /* unsigned int upd_mask; */
  154. struct clkmux_ops *ops;
  155. /* struct clkmux *parent; */
  156. struct clkmux *siblings;
  157. struct pll *pll;
  158. #ifdef CONFIG_CLKMGR_STAT
  159. struct list_head head;
  160. #endif
  161. };
  162. struct cg_grp;
  163. struct cg_grp_ops {
  164. int (*prepare)(struct cg_grp *grp);
  165. int (*finished)(struct cg_grp *grp);
  166. unsigned int (*get_state)(struct cg_grp *grp);
  167. int (*dump_regs)(struct cg_grp *grp, unsigned int *ptr);
  168. };
  169. struct cg_grp {
  170. const char *name;
  171. void __iomem *set_addr;
  172. void __iomem *clr_addr;
  173. void __iomem *sta_addr;
  174. void __iomem *dummy_addr;
  175. void __iomem *bw_limit_addr;
  176. unsigned int mask;
  177. unsigned int state;
  178. struct cg_grp_ops *ops;
  179. struct subsys *sys;
  180. };
  181. struct cg_clk;
  182. struct cg_clk_ops {
  183. int (*get_state)(struct cg_clk *clk);
  184. int (*check_validity)(struct cg_clk *clk); /* 1: valid, 0: invalid */
  185. int (*enable)(struct cg_clk *clk);
  186. int (*disable)(struct cg_clk *clk);
  187. };
  188. struct cg_clk {
  189. int cnt;
  190. unsigned int state;
  191. unsigned int mask;
  192. int force_on;
  193. struct cg_clk_ops *ops;
  194. struct cg_grp *grp;
  195. struct clkmux *mux;
  196. /* struct cg_clk *parent; */
  197. #ifdef CONFIG_CLKMGR_STAT
  198. struct list_head head;
  199. #endif
  200. };
  201. #ifdef CONFIG_CLKMGR_STAT
  202. struct stat_node {
  203. struct list_head link;
  204. unsigned int cnt_on;
  205. unsigned int cnt_off;
  206. char name[0];
  207. };
  208. #endif
  209. /************************************************
  210. ********** global variablies **********
  211. ************************************************/
  212. #define PWR_DOWN 0
  213. #define PWR_ON 1
  214. static int initialized;
  215. /* static int es_flag = 0; */
  216. static int slp_chk_mtcmos_pll_stat;
  217. static struct pll plls[NR_PLLS];
  218. static struct subsys syss[NR_SYSS];
  219. static struct clkmux muxs[NR_MUXS];
  220. static struct cg_grp grps[NR_GRPS];
  221. static struct cg_clk clks[NR_CLKS];
  222. /************************************************
  223. ********** spin lock protect **********
  224. ************************************************/
  225. static DEFINE_SPINLOCK(clock_lock);
  226. #define clkmgr_lock(flags) spin_lock_irqsave(&clock_lock, flags)
  227. #define clkmgr_unlock(flags) spin_unlock_irqrestore(&clock_lock, flags)
  228. #define clkmgr_locked() spin_is_locked(&clock_lock)
  229. int clkmgr_is_locked(void)
  230. {
  231. return clkmgr_locked();
  232. }
  233. EXPORT_SYMBOL(clkmgr_is_locked);
  234. /************************************************
  235. ********** clkmgr stat debug **********
  236. ************************************************/
  237. #ifdef CONFIG_CLKMGR_STAT
  238. void update_stat_locked(struct list_head *head, char *name, int op)
  239. {
  240. struct list_head *pos = NULL;
  241. struct stat_node *node = NULL;
  242. int len = strlen(name);
  243. int new_node = 1;
  244. list_for_each(pos, head) {
  245. node = list_entry(pos, struct stat_node, link);
  246. if (!strncmp(node->name, name, len)) {
  247. new_node = 0;
  248. break;
  249. }
  250. }
  251. if (new_node) {
  252. node = NULL;
  253. node = kzalloc(sizeof(*node) + len + 1, GFP_ATOMIC);
  254. if (!node) {
  255. clk_err("[%s]: malloc stat node for %s fail\n", __func__, name);
  256. goto node_error;
  257. } else {
  258. memcpy(node->name, name, len);
  259. list_add_tail(&node->link, head);
  260. }
  261. }
  262. if (op)
  263. node->cnt_on++;
  264. else
  265. node->cnt_off++;
  266. node_error:
  267. return;
  268. }
  269. #endif
  270. /************************************************
  271. ********** function declaration **********
  272. ************************************************/
  273. static int pll_enable_locked(struct pll *pll);
  274. static int pll_disable_locked(struct pll *pll);
  275. static int sys_enable_locked(struct subsys *sys);
  276. static int sys_disable_locked(struct subsys *sys, int force_off);
  277. static void mux_enable_locked(struct clkmux *mux);
  278. static void mux_disable_locked(struct clkmux *mux);
  279. static int clk_enable_locked(struct cg_clk *clk);
  280. static int clk_disable_locked(struct cg_clk *clk);
  281. static inline int pll_enable_internal(struct pll *pll, char *name)
  282. {
  283. int err;
  284. err = pll_enable_locked(pll);
  285. #ifdef CONFIG_CLKMGR_STAT
  286. update_stat_locked(&pll->head, name, 1);
  287. #endif
  288. return err;
  289. }
  290. static inline int pll_disable_internal(struct pll *pll, char *name)
  291. {
  292. int err;
  293. err = pll_disable_locked(pll);
  294. #ifdef CONFIG_CLKMGR_STAT
  295. update_stat_locked(&pll->head, name, 0);
  296. #endif
  297. return err;
  298. }
  299. static inline int subsys_enable_internal(struct subsys *sys, char *name)
  300. {
  301. int err;
  302. err = sys_enable_locked(sys);
  303. #ifdef CONFIG_CLKMGR_STAT
  304. /* update_stat_locked(&sys->head, name, 1); */
  305. #endif
  306. return err;
  307. }
  308. static inline int subsys_disable_internal(struct subsys *sys, int force_off, char *name)
  309. {
  310. int err;
  311. err = sys_disable_locked(sys, force_off);
  312. #ifdef CONFIG_CLKMGR_STAT
  313. /* update_stat_locked(&sys->head, name, 0); */
  314. #endif
  315. return err;
  316. }
  317. static inline void mux_enable_internal(struct clkmux *mux, char *name)
  318. {
  319. mux_enable_locked(mux);
  320. #ifdef CONFIG_CLKMGR_STAT
  321. update_stat_locked(&mux->head, name, 1);
  322. #endif
  323. }
  324. static inline void mux_disable_internal(struct clkmux *mux, char *name)
  325. {
  326. mux_disable_locked(mux);
  327. #ifdef CONFIG_CLKMGR_STAT
  328. update_stat_locked(&mux->head, name, 0);
  329. #endif
  330. }
  331. static inline int clk_enable_internal(struct cg_clk *clk, char *name)
  332. {
  333. int err;
  334. err = clk_enable_locked(clk);
  335. #ifdef CONFIG_CLKMGR_STAT
  336. update_stat_locked(&clk->head, name, 1);
  337. #endif
  338. return err;
  339. }
  340. static inline int clk_disable_internal(struct cg_clk *clk, char *name)
  341. {
  342. int err;
  343. err = clk_disable_locked(clk);
  344. #ifdef CONFIG_CLKMGR_STAT
  345. update_stat_locked(&clk->head, name, 0);
  346. #endif
  347. return err;
  348. }
  349. /************************************************
  350. ********** pll part **********
  351. ************************************************/
  352. #define PLL_TYPE_SDM 0
  353. #define PLL_TYPE_LC 1
  354. #define HAVE_RST_BAR (0x1 << 0)
  355. #define HAVE_PLL_HP (0x1 << 1)
  356. #define HAVE_FIX_FRQ (0x1 << 2)
  357. #define Others (0x1 << 3)
  358. #define RST_BAR_MASK 0x1000000
  359. static struct pll_ops arm_pll_ops;
  360. static struct pll_ops sdm_pll_ops;
  361. static struct pll plls[NR_PLLS] = {
  362. {
  363. .name = __stringify(ARMPLL),
  364. .type = PLL_TYPE_SDM,
  365. .feat = HAVE_PLL_HP,
  366. .en_mask = 0x00000001,
  367. /* .base_addr = ARMCA7PLL_CON0, */
  368. /* .pwr_addr = ARMCA7PLL_PWR_CON0, */
  369. .ops = &arm_pll_ops,
  370. /* **** */
  371. /* .hp_id = FH_ARM_PLLID, */
  372. .hp_switch = 1,
  373. }, {
  374. .name = __stringify(MAINPLL),
  375. .type = PLL_TYPE_SDM,
  376. .feat = HAVE_PLL_HP | HAVE_RST_BAR,
  377. .en_mask = 0xF0000101,
  378. /* .base_addr = MAINPLL_CON0, */
  379. /* .pwr_addr = MAINPLL_PWR_CON0, */
  380. .ops = &sdm_pll_ops,
  381. /* **** */
  382. /* .hp_id = FH_MAIN_PLLID, */
  383. .hp_switch = 1,
  384. }, {
  385. .name = __stringify(MSDCPLL),
  386. .type = PLL_TYPE_SDM,
  387. .feat = HAVE_PLL_HP,
  388. .en_mask = 0x00000001,
  389. /* .base_addr = MSDCPLL_CON0, */
  390. /* .pwr_addr = MSDCPLL_PWR_CON0, */
  391. .ops = &sdm_pll_ops,
  392. /* **** */
  393. /* .hp_id = FH_MSDC_PLLID, */
  394. .hp_switch = 1,
  395. }, {
  396. .name = __stringify(UNIVPLL),
  397. .type = PLL_TYPE_SDM,
  398. .feat = HAVE_RST_BAR | HAVE_FIX_FRQ,
  399. .en_mask = 0xFC000001,
  400. /* .base_addr = UNIVPLL_CON0, */
  401. /* .pwr_addr = UNIVPLL_PWR_CON0, */
  402. .ops = &sdm_pll_ops,
  403. }, {
  404. .name = __stringify(MMPLL),
  405. .type = PLL_TYPE_SDM,
  406. .feat = HAVE_PLL_HP,
  407. .en_mask = 0x00000001,
  408. /* .base_addr = MMPLL_CON0, */
  409. /* .pwr_addr = MMPLL_PWR_CON0, */
  410. .ops = &sdm_pll_ops,
  411. /* **** */
  412. /* .hp_id = FH_MM_PLLID, */
  413. .hp_switch = 1,
  414. }, {
  415. .name = __stringify(VENCPLL),
  416. .type = PLL_TYPE_SDM,
  417. .feat = HAVE_PLL_HP,
  418. .en_mask = 0x00000001,
  419. /* .base_addr = VENCPLL_CON0, */
  420. /* .pwr_addr = VENCPLL_PWR_CON0, */
  421. .ops = &sdm_pll_ops,
  422. /* **** */
  423. /* .hp_id = FH_VENC_PLLID, */
  424. .hp_switch = 1,
  425. }, {
  426. .name = __stringify(TVDPLL),
  427. .type = PLL_TYPE_SDM,
  428. .feat = HAVE_PLL_HP,
  429. .en_mask = 0x00000001,
  430. /* .base_addr = TVDPLL_CON0, */
  431. /* .pwr_addr = TVDPLL_PWR_CON0, */
  432. .ops = &sdm_pll_ops,
  433. /* **** */
  434. /* .hp_id = FH_TVD_PLLID, */
  435. .hp_switch = 1,
  436. }, /* {
  437. .name = __stringify(MPLL),
  438. .type = PLL_TYPE_SDM,
  439. .feat = HAVE_PLL_HP,
  440. .en_mask = 0x00000001,
  441. .base_addr = MPLL_CON0,
  442. .pwr_addr = MPLL_PWR_CON0,
  443. .ops = &sdm_pll_ops,
  444. .hp_id = FH_M_PLLID,
  445. .hp_switch = 1,
  446. }, */ {
  447. .name = __stringify(APLL1),
  448. .type = PLL_TYPE_SDM,
  449. .feat = HAVE_PLL_HP,
  450. .en_mask = 0x00000001,
  451. /* .base_addr = APLL1_CON0, */
  452. /* .pwr_addr = APLL1_PWR_CON0, */
  453. .ops = &sdm_pll_ops,
  454. }, {
  455. .name = __stringify(APLL2),
  456. .type = PLL_TYPE_SDM,
  457. .feat = HAVE_PLL_HP,
  458. .en_mask = 0x00000001,
  459. /* .base_addr = APLL2_CON0, */
  460. /* .pwr_addr = APLL2_PWR_CON0, */
  461. .ops = &sdm_pll_ops,
  462. }
  463. };
  464. static struct pll *id_to_pll(unsigned int id)
  465. {
  466. return id < NR_PLLS ? plls + id : NULL;
  467. }
  468. #define PLL_PWR_ON (0x1 << 0)
  469. #define PLL_ISO_EN (0x1 << 1)
  470. #define SDM_PLL_N_INFO_MASK 0x001FFFFF
  471. #define UNIV_SDM_PLL_N_INFO_MASK 0x001fc000
  472. #define APLL_SDM_PLL_N_INFO_MASK 0x7fffffff
  473. #define SDM_PLL_N_INFO_CHG 0x80000000
  474. #define ARMPLL_POSDIV_MASK 0x07000000
  475. static int pll_get_state_op(struct pll *pll)
  476. {
  477. return clk_readl(pll->base_addr) & 0x1;
  478. }
  479. static void sdm_pll_enable_op(struct pll *pll)
  480. {
  481. #ifdef PLL_LOG
  482. /* clk_info("[%s]: pll->name=%s\n", __func__, pll->name); */
  483. clk_dbg("[%s]: pll->name=%s\n", __func__, pll->name);
  484. #endif
  485. clk_setl(pll->pwr_addr, PLL_PWR_ON);
  486. udelay(2);
  487. clk_clrl(pll->pwr_addr, PLL_ISO_EN);
  488. clk_setl(pll->base_addr, pll->en_mask);
  489. udelay(20);
  490. if (pll->feat & HAVE_RST_BAR)
  491. clk_setl(pll->base_addr, RST_BAR_MASK);
  492. }
  493. static void sdm_pll_disable_op(struct pll *pll)
  494. {
  495. #ifdef PLL_LOG
  496. /* clk_info("[%s]: pll->name=%s\n", __func__, pll->name); */
  497. clk_dbg("[%s]: pll->name=%s\n", __func__, pll->name);
  498. #endif
  499. /* if( pll->base_addr == UNIVPLL_CON0 || pll->base_addr == VENCPLL_CON0) */
  500. /* { */
  501. /* printk("univpll return\n"); */
  502. /* return;//for debug */
  503. /* } */
  504. if (pll->feat & HAVE_RST_BAR)
  505. clk_clrl(pll->base_addr, RST_BAR_MASK);
  506. clk_clrl(pll->base_addr, 0x1);
  507. clk_setl(pll->pwr_addr, PLL_ISO_EN);
  508. clk_clrl(pll->pwr_addr, PLL_PWR_ON);
  509. }
  510. static void sdm_pll_fsel_op(struct pll *pll, unsigned int value)
  511. {
  512. unsigned int ctrl_value;
  513. ctrl_value = clk_readl(pll->base_addr + 4);
  514. if (pll->base_addr == UNIVPLL_CON0) {
  515. ctrl_value &= ~UNIV_SDM_PLL_N_INFO_MASK;
  516. ctrl_value |= value & UNIV_SDM_PLL_N_INFO_MASK;
  517. } else if ((pll->base_addr == APLL1_CON0) || (pll->base_addr == APLL2_CON0)) {
  518. ctrl_value &= ~APLL_SDM_PLL_N_INFO_MASK;
  519. ctrl_value |= value & APLL_SDM_PLL_N_INFO_MASK;
  520. } else {
  521. ctrl_value &= ~SDM_PLL_N_INFO_MASK;
  522. ctrl_value |= value & SDM_PLL_N_INFO_MASK;
  523. }
  524. ctrl_value |= SDM_PLL_N_INFO_CHG;
  525. clk_writel(pll->base_addr + 4, ctrl_value);
  526. udelay(20);
  527. }
  528. static int sdm_pll_dump_regs_op(struct pll *pll, unsigned int *ptr)
  529. {
  530. *(ptr) = clk_readl(pll->base_addr);
  531. *(++ptr) = clk_readl(pll->base_addr + 4);
  532. *(++ptr) = clk_readl(pll->pwr_addr);
  533. return 3;
  534. }
  535. static int sdm_pll_hp_enable_op(struct pll *pll)
  536. {
  537. int err;
  538. if (!pll->hp_switch || (pll->state == PWR_DOWN))
  539. return 0;
  540. #ifndef Bring_Up
  541. err = freqhopping_config(pll->hp_id, 0, PWR_ON);
  542. #endif
  543. return err;
  544. }
  545. static int sdm_pll_hp_disable_op(struct pll *pll)
  546. {
  547. int err;
  548. if (!pll->hp_switch || (pll->state == PWR_ON))
  549. return 0;
  550. #ifndef Bring_Up
  551. err = freqhopping_config(pll->hp_id, 0, PWR_DOWN);
  552. #endif
  553. return err;
  554. }
  555. static struct pll_ops sdm_pll_ops = {
  556. .get_state = pll_get_state_op,
  557. .enable = sdm_pll_enable_op,
  558. .disable = sdm_pll_disable_op,
  559. .fsel = sdm_pll_fsel_op,
  560. .dump_regs = sdm_pll_dump_regs_op,
  561. .hp_enable = sdm_pll_hp_enable_op,
  562. .hp_disable = sdm_pll_hp_disable_op,
  563. };
  564. static void arm_pll_fsel_op(struct pll *pll, unsigned int value)
  565. {
  566. unsigned int ctrl_value;
  567. ctrl_value = clk_readl(pll->base_addr + 4);
  568. ctrl_value &= ~(SDM_PLL_N_INFO_MASK | ARMPLL_POSDIV_MASK);
  569. ctrl_value |= value & (SDM_PLL_N_INFO_MASK | ARMPLL_POSDIV_MASK);
  570. ctrl_value |= SDM_PLL_N_INFO_CHG;
  571. clk_writel(pll->base_addr + 4, ctrl_value);
  572. udelay(20);
  573. }
  574. static struct pll_ops arm_pll_ops = {
  575. .get_state = pll_get_state_op,
  576. .enable = sdm_pll_enable_op,
  577. .disable = sdm_pll_disable_op,
  578. .fsel = arm_pll_fsel_op,
  579. .dump_regs = sdm_pll_dump_regs_op,
  580. .hp_enable = sdm_pll_hp_enable_op,
  581. .hp_disable = sdm_pll_hp_disable_op,
  582. };
  583. static int get_pll_state_locked(struct pll *pll)
  584. {
  585. if (likely(initialized))
  586. return pll->state;
  587. else
  588. return pll->ops->get_state(pll);
  589. }
  590. static int pll_enable_locked(struct pll *pll)
  591. {
  592. pll->cnt++;
  593. #ifdef PLL_LOG_TOP
  594. clk_info("[%s]: Start. pll->name=%s, pll->cnt=%d, pll->state=%d\n", __func__, pll->name,
  595. pll->cnt, pll->state);
  596. #endif
  597. if (pll->cnt > 1)
  598. return 0;
  599. if (pll->state == PWR_DOWN) {
  600. pll->ops->enable(pll);
  601. pll->state = PWR_ON;
  602. }
  603. if (pll->ops->hp_enable)
  604. pll->ops->hp_enable(pll);
  605. #ifdef PLL_LOG_TOP
  606. clk_info("[%s]: End. pll->name=%s, pll->cnt=%d, pll->state=%d\n", __func__, pll->name,
  607. pll->cnt, pll->state);
  608. #endif
  609. return 0;
  610. }
  611. static int pll_disable_locked(struct pll *pll)
  612. {
  613. #ifdef PLL_LOG_TOP
  614. clk_info("[%s]: Start. pll->name=%s, pll->cnt=%d, pll->state=%d\n", __func__, pll->name,
  615. pll->cnt, pll->state);
  616. #endif
  617. BUG_ON(!pll->cnt);
  618. pll->cnt--;
  619. #ifdef PLL_LOG_TOP
  620. clk_info("[%s]: Start. pll->name=%s, pll->cnt=%d, pll->state=%d\n", __func__, pll->name,
  621. pll->cnt, pll->state);
  622. #endif
  623. if (pll->cnt > 0)
  624. return 0;
  625. if (pll->state == PWR_ON) {
  626. pll->ops->disable(pll);
  627. pll->state = PWR_DOWN;
  628. }
  629. if (pll->ops->hp_disable)
  630. pll->ops->hp_disable(pll);
  631. #ifdef PLL_LOG_TOP
  632. clk_info("[%s]: End. pll->name=%s, pll->cnt=%d, pll->state=%d\n", __func__, pll->name,
  633. pll->cnt, pll->state);
  634. #endif
  635. return 0;
  636. }
  637. static int pll_fsel_locked(struct pll *pll, unsigned int value)
  638. {
  639. pll->ops->fsel(pll, value);
  640. if (pll->ops->hp_enable)
  641. pll->ops->hp_enable(pll);
  642. return 0;
  643. }
  644. int pll_is_on(int id)
  645. {
  646. int state;
  647. unsigned long flags;
  648. struct pll *pll = id_to_pll(id);
  649. #ifdef Bring_Up
  650. return 1;
  651. #endif
  652. BUG_ON(!pll);
  653. clkmgr_lock(flags);
  654. state = get_pll_state_locked(pll);
  655. clkmgr_unlock(flags);
  656. return state;
  657. }
  658. EXPORT_SYMBOL(pll_is_on);
  659. int enable_pll(int id, char *name)
  660. {
  661. int err;
  662. unsigned long flags;
  663. struct pll *pll = id_to_pll(id);
  664. #ifdef Bring_Up
  665. return 0;
  666. #endif
  667. #ifndef PLL_CLK_LINK
  668. return 0;
  669. #endif
  670. BUG_ON(!initialized);
  671. BUG_ON(!pll);
  672. BUG_ON(!name);
  673. #ifdef PLL_LOG_TOP
  674. clk_info("[%s]: id=%d, name=%s\n", __func__, id, name);
  675. #endif
  676. clkmgr_lock(flags);
  677. err = pll_enable_internal(pll, name);
  678. clkmgr_unlock(flags);
  679. return err;
  680. }
  681. EXPORT_SYMBOL(enable_pll);
  682. int disable_pll(int id, char *name)
  683. {
  684. int err;
  685. unsigned long flags;
  686. struct pll *pll = id_to_pll(id);
  687. #ifdef Bring_Up
  688. return 0;
  689. #endif
  690. #ifndef PLL_CLK_LINK
  691. return 0;
  692. #endif
  693. BUG_ON(!initialized);
  694. BUG_ON(!pll);
  695. BUG_ON(!name);
  696. #ifdef PLL_LOG_TOP
  697. clk_info("[%s]: id=%d, name=%s\n", __func__, id, name);
  698. #endif
  699. clkmgr_lock(flags);
  700. err = pll_disable_internal(pll, name);
  701. clkmgr_unlock(flags);
  702. return err;
  703. }
  704. EXPORT_SYMBOL(disable_pll);
  705. int pll_fsel(int id, unsigned int value)
  706. {
  707. int err;
  708. unsigned long flags;
  709. struct pll *pll = id_to_pll(id);
  710. #ifdef Bring_Up
  711. return 0;
  712. #endif
  713. BUG_ON(!initialized);
  714. BUG_ON(!pll);
  715. clkmgr_lock(flags);
  716. err = pll_fsel_locked(pll, value);
  717. clkmgr_unlock(flags);
  718. return err;
  719. }
  720. EXPORT_SYMBOL(pll_fsel);
  721. int pll_hp_switch_on(int id, int hp_on)
  722. {
  723. int err = 0;
  724. unsigned long flags;
  725. int old_value;
  726. struct pll *pll = id_to_pll(id);
  727. #ifdef Bring_Up
  728. return 0;
  729. #endif
  730. BUG_ON(!initialized);
  731. BUG_ON(!pll);
  732. if (pll->type != PLL_TYPE_SDM) {
  733. err = -EINVAL;
  734. goto out;
  735. }
  736. clkmgr_lock(flags);
  737. old_value = pll->hp_switch;
  738. if (old_value == 0) {
  739. pll->hp_switch = 1;
  740. if (hp_on)
  741. err = pll->ops->hp_enable(pll);
  742. }
  743. clkmgr_unlock(flags);
  744. #if 0
  745. clk_info("[%s]hp_switch(%d->%d), hp_on=%d\n", __func__, old_value, pll->hp_switch, hp_on);
  746. #endif
  747. out:
  748. return err;
  749. }
  750. EXPORT_SYMBOL(pll_hp_switch_on);
  751. int pll_hp_switch_off(int id, int hp_off)
  752. {
  753. int err = 0;
  754. unsigned long flags;
  755. int old_value;
  756. struct pll *pll = id_to_pll(id);
  757. #ifdef Bring_Up
  758. return 0;
  759. #endif
  760. BUG_ON(!initialized);
  761. BUG_ON(!pll);
  762. if (pll->type != PLL_TYPE_SDM) {
  763. err = -EINVAL;
  764. goto out;
  765. }
  766. clkmgr_lock(flags);
  767. old_value = pll->hp_switch;
  768. if (old_value == 1) {
  769. if (hp_off)
  770. err = pll->ops->hp_disable(pll);
  771. pll->hp_switch = 0;
  772. }
  773. clkmgr_unlock(flags);
  774. #if 0
  775. clk_info("[%s]hp_switch(%d->%d), hp_off=%d\n", __func__, old_value, pll->hp_switch, hp_off);
  776. #endif
  777. out:
  778. return err;
  779. }
  780. EXPORT_SYMBOL(pll_hp_switch_off);
  781. int pll_dump_regs(int id, unsigned int *ptr)
  782. {
  783. struct pll *pll = id_to_pll(id);
  784. #ifdef Bring_Up
  785. return 0;
  786. #endif
  787. BUG_ON(!initialized);
  788. BUG_ON(!pll);
  789. return pll->ops->dump_regs(pll, ptr);
  790. }
  791. EXPORT_SYMBOL(pll_dump_regs);
  792. const char *pll_get_name(int id)
  793. {
  794. struct pll *pll = id_to_pll(id);
  795. BUG_ON(!initialized);
  796. BUG_ON(!pll);
  797. return pll->name;
  798. }
  799. void set_mipi26m(int en)
  800. {
  801. unsigned long flags;
  802. #ifdef Bring_Up
  803. return;
  804. #endif
  805. clkmgr_lock(flags);
  806. if (en)
  807. clk_setl(AP_PLL_CON0, 1 << 6);
  808. else
  809. clk_clrl(AP_PLL_CON0, 1 << 6);
  810. clkmgr_unlock(flags);
  811. }
  812. EXPORT_SYMBOL(set_mipi26m);
  813. void set_ada_ssusb_xtal_ck(int en)
  814. {
  815. unsigned long flags;
  816. #ifdef Bring_Up
  817. return;
  818. #endif
  819. clkmgr_lock(flags);
  820. if (en) {
  821. clk_setl(AP_PLL_CON2, 1 << 0);
  822. udelay(100);
  823. clk_setl(AP_PLL_CON2, 1 << 1);
  824. clk_setl(AP_PLL_CON2, 1 << 2);
  825. } else {
  826. clk_clrl(AP_PLL_CON2, 0x7);
  827. }
  828. clkmgr_unlock(flags);
  829. }
  830. EXPORT_SYMBOL(set_ada_ssusb_xtal_ck);
  831. /************************************************
  832. ********** subsys part **********
  833. ************************************************/
  834. #define SYS_TYPE_MODEM 0
  835. #define SYS_TYPE_MEDIA 1
  836. #define SYS_TYPE_OTHER 2
  837. #define SYS_TYPE_CONN 3
  838. static struct subsys_ops md1_sys_ops;
  839. static struct subsys_ops conn_sys_ops;
  840. static struct subsys_ops dis_sys_ops;
  841. static struct subsys_ops mfg_sys_ops;
  842. static struct subsys_ops isp_sys_ops;
  843. static struct subsys_ops vde_sys_ops;
  844. /* static struct subsys_ops mjc_sys_ops; */
  845. static struct subsys_ops ven_sys_ops;
  846. /* static struct subsys_ops aud_sys_ops; */
  847. static struct subsys_ops md2_sys_ops;
  848. static struct subsys syss[NR_SYSS] = {
  849. {
  850. .name = __stringify(SYS_MD1),
  851. .type = SYS_TYPE_MODEM,
  852. .default_sta = PWR_DOWN,
  853. .sta_mask = 1U << 0,
  854. /* .ctl_addr = SPM_MD_PWR_CON, */
  855. .ops = &md1_sys_ops,
  856. }, {
  857. .name = __stringify(SYS_MD2),
  858. .type = SYS_TYPE_MODEM,
  859. .default_sta = PWR_DOWN,
  860. .sta_mask = 1U << 22,
  861. /* .ctl_addr = SPM_MD2_PWR_CON, */
  862. .ops = &md2_sys_ops,
  863. }, {
  864. .name = __stringify(SYS_CONN),
  865. .type = SYS_TYPE_CONN,
  866. .default_sta = PWR_DOWN,
  867. .sta_mask = 1U << 1,
  868. /* .ctl_addr = SPM_CONN_PWR_CON, */
  869. .ops = &conn_sys_ops,
  870. }, {
  871. .name = __stringify(SYS_DIS),
  872. .type = SYS_TYPE_MEDIA,
  873. .default_sta = PWR_ON,
  874. .sta_mask = 1U << 3,
  875. /* .ctl_addr = SPM_DIS_PWR_CON, */
  876. .ops = &dis_sys_ops,
  877. .start = &grps[CG_DISP0],
  878. .nr_grps = 2,
  879. .mux = &muxs[MT_MUX_MM],
  880. }, {
  881. .name = __stringify(SYS_MFG),
  882. .type = SYS_TYPE_MEDIA,
  883. .default_sta = PWR_ON,
  884. .sta_mask = 1U << 4,
  885. /* .ctl_addr = SPM_MFG_PWR_CON, */
  886. .ops = &mfg_sys_ops,
  887. .start = &grps[CG_MFG],
  888. .nr_grps = 1,
  889. .mux = &muxs[MT_MUX_MFG],
  890. }, {
  891. .name = __stringify(SYS_ISP),
  892. .type = SYS_TYPE_MEDIA,
  893. .default_sta = PWR_ON,
  894. .sta_mask = 1U << 5,
  895. /* .ctl_addr = SPM_ISP_PWR_CON, */
  896. .ops = &isp_sys_ops,
  897. .start = &grps[CG_IMAGE],
  898. .nr_grps = 1,
  899. /* .mux = &muxs[MT_MUX_SCAM], */
  900. }, {
  901. .name = __stringify(SYS_VDE),
  902. .type = SYS_TYPE_MEDIA,
  903. .default_sta = PWR_ON,
  904. .sta_mask = 1U << 7,
  905. /* .ctl_addr = SPM_VDE_PWR_CON, */
  906. .ops = &vde_sys_ops,
  907. .start = &grps[CG_VDEC0],
  908. .nr_grps = 2,
  909. .mux = &muxs[MT_MUX_VDEC],
  910. }, /*{
  911. .name = __stringify(SYS_MJC),
  912. .type = SYS_TYPE_MEDIA,
  913. .default_sta = PWR_ON,
  914. .sta_mask = 1U << 20,
  915. // .ctl_addr = SPM_MJC_PWR_CON,
  916. .ops = &mjc_sys_ops,
  917. .start = &grps[CG_MJC],
  918. .nr_grps = 1,
  919. .mux = &muxs[MT_MUX_MJC],
  920. }, */ {
  921. .name = __stringify(SYS_VEN),
  922. .type = SYS_TYPE_MEDIA,
  923. .default_sta = PWR_ON,
  924. .sta_mask = 1U << 8,
  925. /* .ctl_addr = SPM_VEN_PWR_CON, */
  926. .ops = &ven_sys_ops,
  927. .start = &grps[CG_VENC],
  928. .nr_grps = 1,
  929. /* .mux = &muxs[MT_MUX_VENC], */
  930. } /*, {
  931. .name = __stringify(SYS_AUD),
  932. .type = SYS_TYPE_MEDIA,
  933. .default_sta = PWR_ON,
  934. .sta_mask = 1U << 24,
  935. // .ctl_addr = SPM_AUDIO_PWR_CON,
  936. .ops = &aud_sys_ops,
  937. .start = &grps[CG_AUDIO],
  938. .nr_grps = 1,
  939. .mux = &muxs[MT_MUX_AUDINTBUS],
  940. } */
  941. };
  942. static void larb_backup(int larb_idx);
  943. static void larb_restore(int larb_idx);
  944. static struct subsys *id_to_sys(unsigned int id)
  945. {
  946. return id < NR_SYSS ? syss + id : NULL;
  947. }
  948. static int md1_sys_enable_op(struct subsys *sys)
  949. {
  950. int err;
  951. err = spm_mtcmos_ctrl_mdsys1(STA_POWER_ON);
  952. return err;
  953. }
  954. static int md1_sys_disable_op(struct subsys *sys)
  955. {
  956. int err;
  957. err = spm_mtcmos_ctrl_mdsys1(STA_POWER_DOWN);
  958. return err;
  959. }
  960. static int md2_sys_enable_op(struct subsys *sys)
  961. {
  962. int err;
  963. err = spm_mtcmos_ctrl_mdsys2(STA_POWER_ON);
  964. return err;
  965. }
  966. static int md2_sys_disable_op(struct subsys *sys)
  967. {
  968. int err;
  969. err = spm_mtcmos_ctrl_mdsys2(STA_POWER_DOWN);
  970. return err;
  971. }
  972. static int conn_sys_enable_op(struct subsys *sys)
  973. {
  974. int err;
  975. err = spm_mtcmos_ctrl_connsys(STA_POWER_ON);
  976. return err;
  977. }
  978. static int conn_sys_disable_op(struct subsys *sys)
  979. {
  980. int err;
  981. err = spm_mtcmos_ctrl_connsys(STA_POWER_DOWN);
  982. return err;
  983. }
  984. static int dis_sys_enable_op(struct subsys *sys)
  985. {
  986. int err;
  987. #ifdef SYS_LOG
  988. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  989. #endif
  990. err = spm_mtcmos_ctrl_disp(STA_POWER_ON);
  991. clk_writel(MMSYS_DUMMY, 0xFFFFFFFF);
  992. larb_restore(MT_LARB_DISP);
  993. return err;
  994. }
  995. static int dis_sys_disable_op(struct subsys *sys)
  996. {
  997. int err;
  998. #ifdef SYS_LOG
  999. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1000. #endif
  1001. larb_backup(MT_LARB_DISP);
  1002. err = spm_mtcmos_ctrl_disp(STA_POWER_DOWN);
  1003. return err;
  1004. }
  1005. static int mfg_sys_enable_op(struct subsys *sys)
  1006. {
  1007. int err;
  1008. #ifdef SYS_LOG
  1009. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1010. #endif
  1011. /* mt_gpufreq_voltage_enable_set(1); */
  1012. /* return 0;//for debug */
  1013. /* err = spm_mtcmos_ctrl_mfg_ASYNC(STA_POWER_ON); */
  1014. err = spm_mtcmos_ctrl_mfg(STA_POWER_ON);
  1015. return err;
  1016. }
  1017. static int mfg_sys_disable_op(struct subsys *sys)
  1018. {
  1019. int err;
  1020. #ifdef SYS_LOG
  1021. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1022. #endif
  1023. /* return 0;//for debug */
  1024. err = spm_mtcmos_ctrl_mfg(STA_POWER_DOWN);
  1025. /* err = spm_mtcmos_ctrl_mfg_ASYNC(STA_POWER_DOWN); */
  1026. /* mt_gpufreq_voltage_enable_set(0); */
  1027. return err;
  1028. }
  1029. static int isp_sys_enable_op(struct subsys *sys)
  1030. {
  1031. int err;
  1032. #ifdef SYS_LOG
  1033. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1034. #endif
  1035. err = spm_mtcmos_ctrl_isp(STA_POWER_ON);
  1036. larb_restore(MT_LARB_IMG);
  1037. return err;
  1038. }
  1039. static int isp_sys_disable_op(struct subsys *sys)
  1040. {
  1041. int err;
  1042. #ifdef SYS_LOG
  1043. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1044. #endif
  1045. larb_backup(MT_LARB_IMG);
  1046. err = spm_mtcmos_ctrl_isp(STA_POWER_DOWN);
  1047. return err;
  1048. }
  1049. static int vde_sys_enable_op(struct subsys *sys)
  1050. {
  1051. int err;
  1052. #ifdef SYS_LOG
  1053. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1054. #endif
  1055. err = spm_mtcmos_ctrl_vdec(STA_POWER_ON);
  1056. larb_restore(MT_LARB_VDEC);
  1057. return err;
  1058. }
  1059. static int vde_sys_disable_op(struct subsys *sys)
  1060. {
  1061. int err;
  1062. #ifdef SYS_LOG
  1063. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1064. #endif
  1065. larb_backup(MT_LARB_VDEC);
  1066. err = spm_mtcmos_ctrl_vdec(STA_POWER_DOWN);
  1067. return err;
  1068. }
  1069. /*
  1070. static int mjc_sys_enable_op(struct subsys *sys)
  1071. {
  1072. int err;
  1073. #ifdef SYS_LOG
  1074. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1075. #endif
  1076. err = spm_mtcmos_ctrl_mjc(STA_POWER_ON);
  1077. larb_restore(MT_LARB_MJC);
  1078. return err;
  1079. }
  1080. static int mjc_sys_disable_op(struct subsys *sys)
  1081. {
  1082. int err;
  1083. #ifdef SYS_LOG
  1084. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1085. #endif
  1086. larb_backup(MT_LARB_MJC);
  1087. err = spm_mtcmos_ctrl_mjc(STA_POWER_DOWN);
  1088. return err;
  1089. }
  1090. */
  1091. static int ven_sys_enable_op(struct subsys *sys)
  1092. {
  1093. int err;
  1094. #ifdef SYS_LOG
  1095. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1096. #endif
  1097. err = spm_mtcmos_ctrl_venc(STA_POWER_ON);
  1098. larb_restore(MT_LARB_VENC);
  1099. return err;
  1100. }
  1101. static int ven_sys_disable_op(struct subsys *sys)
  1102. {
  1103. int err;
  1104. #ifdef SYS_LOG
  1105. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1106. #endif
  1107. larb_backup(MT_LARB_VENC);
  1108. err = spm_mtcmos_ctrl_venc(STA_POWER_DOWN);
  1109. return err;
  1110. }
  1111. /*
  1112. static int aud_sys_enable_op(struct subsys *sys)
  1113. {
  1114. int err;
  1115. #ifdef SYS_LOG
  1116. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1117. #endif
  1118. err = spm_mtcmos_ctrl_aud(STA_POWER_ON);
  1119. return err;
  1120. }
  1121. static int aud_sys_disable_op(struct subsys *sys)
  1122. {
  1123. int err;
  1124. #ifdef SYS_LOG
  1125. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1126. #endif
  1127. err = spm_mtcmos_ctrl_aud(STA_POWER_DOWN);
  1128. return err;
  1129. }
  1130. */
  1131. static int sys_get_state_op(struct subsys *sys)
  1132. {
  1133. #ifndef CONFIG_FPGA_EARLY_PORTING
  1134. /* **** */
  1135. /* unsigned int sta = clk_readl(SPM_PWR_STATUS); */
  1136. /* unsigned int sta_s = clk_readl(SPM_PWR_STATUS_2ND); */
  1137. /* return (sta & sys->sta_mask) && (sta_s & sys->sta_mask); */
  1138. return 0;
  1139. #else
  1140. return 0;
  1141. #endif
  1142. }
  1143. static int sys_dump_regs_op(struct subsys *sys, unsigned int *ptr)
  1144. {
  1145. *(ptr) = clk_readl(sys->ctl_addr);
  1146. return 1;
  1147. }
  1148. static struct subsys_ops md1_sys_ops = {
  1149. .enable = md1_sys_enable_op,
  1150. .disable = md1_sys_disable_op,
  1151. .get_state = sys_get_state_op,
  1152. .dump_regs = sys_dump_regs_op,
  1153. };
  1154. static struct subsys_ops conn_sys_ops = {
  1155. .enable = conn_sys_enable_op,
  1156. .disable = conn_sys_disable_op,
  1157. .get_state = sys_get_state_op,
  1158. .dump_regs = sys_dump_regs_op,
  1159. };
  1160. static struct subsys_ops dis_sys_ops = {
  1161. .enable = dis_sys_enable_op,
  1162. .disable = dis_sys_disable_op,
  1163. .get_state = sys_get_state_op,
  1164. .dump_regs = sys_dump_regs_op,
  1165. };
  1166. static struct subsys_ops mfg_sys_ops = {
  1167. .enable = mfg_sys_enable_op,
  1168. .disable = mfg_sys_disable_op,
  1169. .get_state = sys_get_state_op,
  1170. .dump_regs = sys_dump_regs_op,
  1171. };
  1172. static struct subsys_ops isp_sys_ops = {
  1173. .enable = isp_sys_enable_op,
  1174. .disable = isp_sys_disable_op,
  1175. .get_state = sys_get_state_op,
  1176. .dump_regs = sys_dump_regs_op,
  1177. };
  1178. static struct subsys_ops vde_sys_ops = {
  1179. .enable = vde_sys_enable_op,
  1180. .disable = vde_sys_disable_op,
  1181. .get_state = sys_get_state_op,
  1182. .dump_regs = sys_dump_regs_op,
  1183. };
  1184. /*
  1185. static struct subsys_ops mjc_sys_ops = {
  1186. .enable = mjc_sys_enable_op,
  1187. .disable = mjc_sys_disable_op,
  1188. .get_state = sys_get_state_op,
  1189. .dump_regs = sys_dump_regs_op,
  1190. };
  1191. */
  1192. static struct subsys_ops ven_sys_ops = {
  1193. .enable = ven_sys_enable_op,
  1194. .disable = ven_sys_disable_op,
  1195. .get_state = sys_get_state_op,
  1196. .dump_regs = sys_dump_regs_op,
  1197. };
  1198. /*
  1199. static struct subsys_ops aud_sys_ops = {
  1200. .enable = aud_sys_enable_op,
  1201. .disable = aud_sys_disable_op,
  1202. .get_state = sys_get_state_op,
  1203. .dump_regs = sys_dump_regs_op,
  1204. };
  1205. */
  1206. static struct subsys_ops md2_sys_ops = {
  1207. .enable = md2_sys_enable_op,
  1208. .disable = md2_sys_disable_op,
  1209. .get_state = sys_get_state_op,
  1210. .dump_regs = sys_dump_regs_op,
  1211. };
  1212. static int get_sys_state_locked(struct subsys *sys)
  1213. {
  1214. if (likely(initialized))
  1215. return sys->state;
  1216. else
  1217. return sys->ops->get_state(sys);
  1218. }
  1219. int subsys_is_on(int id)
  1220. {
  1221. int state;
  1222. unsigned long flags;
  1223. struct subsys *sys = id_to_sys(id);
  1224. #ifdef Bring_Up
  1225. return 1;
  1226. #endif
  1227. BUG_ON(!sys);
  1228. clkmgr_lock(flags);
  1229. state = get_sys_state_locked(sys);
  1230. clkmgr_unlock(flags);
  1231. return state;
  1232. }
  1233. EXPORT_SYMBOL(subsys_is_on);
  1234. /* #define STATE_CHECK_DEBUG */
  1235. static int sys_enable_locked(struct subsys *sys)
  1236. {
  1237. int err;
  1238. int local_state = sys->state; /* get_subsys_local_state(sys); */
  1239. #ifdef STATE_CHECK_DEBUG
  1240. int reg_state = sys->ops->get_state(sys); /* get_subsys_reg_state(sys); */
  1241. BUG_ON(local_state != reg_state);
  1242. #endif
  1243. #ifdef SYS_LOG
  1244. clk_info("[%s]: Start. sys->name=%s, sys->state=%d\n", __func__, sys->name, sys->state);
  1245. #endif
  1246. if (local_state == PWR_ON)
  1247. return 0;
  1248. if (sys->mux)
  1249. mux_enable_internal(sys->mux, "sys");
  1250. err = sys->ops->enable(sys);
  1251. WARN_ON(err);
  1252. if (!err)
  1253. sys->state = PWR_ON;
  1254. #ifdef SYS_LOG
  1255. clk_info("[%s]: End. sys->name=%s, sys->state=%d\n", __func__, sys->name, sys->state);
  1256. #endif
  1257. return err;
  1258. }
  1259. static int sys_disable_locked(struct subsys *sys, int force_off)
  1260. {
  1261. int err;
  1262. int local_state = sys->state; /* get_subsys_local_state(sys); */
  1263. int i;
  1264. struct cg_grp *grp;
  1265. #ifdef STATE_CHECK_DEBUG
  1266. int reg_state = sys->ops->get_state(sys); /* get_subsys_reg_state(sys); */
  1267. BUG_ON(local_state != reg_state);
  1268. #endif
  1269. #ifdef SYS_LOG
  1270. clk_info("[%s]: Start. sys->name=%s, sys->state=%d, force_off=%d\n", __func__, sys->name,
  1271. sys->state, force_off);
  1272. #endif
  1273. if (!force_off) {
  1274. /* could be power off or not */
  1275. for (i = 0; i < sys->nr_grps; i++) {
  1276. grp = sys->start + i;
  1277. if (grp->state)
  1278. return 0;
  1279. }
  1280. }
  1281. if (local_state == PWR_DOWN)
  1282. return 0;
  1283. err = sys->ops->disable(sys);
  1284. WARN_ON(err);
  1285. if (!err)
  1286. sys->state = PWR_DOWN;
  1287. if (sys->mux)
  1288. mux_disable_internal(sys->mux, "sys");
  1289. #ifdef SYS_LOG
  1290. clk_info("[%s]: End. sys->name=%s, sys->state=%d, force_off=%d\n", __func__, sys->name,
  1291. sys->state, force_off);
  1292. #endif
  1293. return err;
  1294. }
  1295. int enable_subsys(int id, char *name)
  1296. {
  1297. int err;
  1298. unsigned long flags;
  1299. struct subsys *sys = id_to_sys(id);
  1300. #ifdef Bring_Up
  1301. return 0;
  1302. #endif
  1303. BUG_ON(!initialized);
  1304. BUG_ON(!sys);
  1305. clkmgr_lock(flags);
  1306. err = subsys_enable_internal(sys, name);
  1307. clkmgr_unlock(flags);
  1308. return err;
  1309. }
  1310. EXPORT_SYMBOL(enable_subsys);
  1311. int disable_subsys(int id, char *name)
  1312. {
  1313. int err;
  1314. unsigned long flags;
  1315. struct subsys *sys = id_to_sys(id);
  1316. #ifdef Bring_Up
  1317. return 0;
  1318. #endif
  1319. BUG_ON(!initialized);
  1320. BUG_ON(!sys);
  1321. clkmgr_lock(flags);
  1322. err = subsys_disable_internal(sys, 0, name);
  1323. clkmgr_unlock(flags);
  1324. return err;
  1325. }
  1326. EXPORT_SYMBOL(disable_subsys);
  1327. int disable_subsys_force(int id, char *name)
  1328. {
  1329. int err;
  1330. unsigned long flags;
  1331. struct subsys *sys = id_to_sys(id);
  1332. BUG_ON(!initialized);
  1333. BUG_ON(!sys);
  1334. clkmgr_lock(flags);
  1335. err = subsys_disable_internal(sys, 1, name);
  1336. clkmgr_unlock(flags);
  1337. return err;
  1338. }
  1339. int subsys_dump_regs(int id, unsigned int *ptr)
  1340. {
  1341. struct subsys *sys = id_to_sys(id);
  1342. #ifdef Bring_Up
  1343. return 0;
  1344. #endif
  1345. BUG_ON(!initialized);
  1346. BUG_ON(!sys);
  1347. return sys->ops->dump_regs(sys, ptr);
  1348. }
  1349. EXPORT_SYMBOL(subsys_dump_regs);
  1350. const char *subsys_get_name(int id)
  1351. {
  1352. struct subsys *sys = id_to_sys(id);
  1353. BUG_ON(!initialized);
  1354. BUG_ON(!sys);
  1355. return sys->name;
  1356. }
  1357. #define JIFFIES_PER_LOOP 10
  1358. int md_power_on(int id)
  1359. {
  1360. int err = 0;
  1361. unsigned long flags;
  1362. struct subsys *sys = id_to_sys(id);
  1363. #ifdef Bring_Up
  1364. #if !defined(CONFIG_MTK_FPGA)
  1365. if (id == SYS_MD1)
  1366. spm_mtcmos_ctrl_mdsys1(STA_POWER_ON);
  1367. else
  1368. spm_mtcmos_ctrl_mdsys2(STA_POWER_ON);
  1369. clk_info("[%s]: id = %d\n", __func__, id);
  1370. #endif
  1371. return 0;
  1372. #endif
  1373. BUG_ON(!initialized);
  1374. BUG_ON(!sys);
  1375. BUG_ON(sys->type != SYS_TYPE_MODEM);
  1376. clkmgr_lock(flags);
  1377. err = subsys_enable_internal(sys, "md");
  1378. /*
  1379. if(id == 0)
  1380. spm_mtcmos_ctrl_mdsys1(STA_POWER_ON);
  1381. else
  1382. spm_mtcmos_ctrl_mdsys2(STA_POWER_ON);
  1383. */
  1384. clkmgr_unlock(flags);
  1385. clk_info("[%s]: id = %d\n", __func__, id);
  1386. WARN_ON(err);
  1387. return err;
  1388. }
  1389. EXPORT_SYMBOL(md_power_on);
  1390. #ifndef Bring_Up
  1391. static bool(*spm_md_sleep[])(void) = {
  1392. spm_is_md1_sleep,
  1393. spm_is_md2_sleep,
  1394. };
  1395. #endif
  1396. int md_power_off(int id, unsigned int timeout)
  1397. {
  1398. int err = 0;
  1399. int cnt;
  1400. bool slept = 1;
  1401. unsigned long flags;
  1402. struct subsys *sys = id_to_sys(id);
  1403. #ifdef Bring_Up
  1404. #if !defined(CONFIG_MTK_FPGA)
  1405. if (id == SYS_MD1)
  1406. spm_mtcmos_ctrl_mdsys1(STA_POWER_DOWN);
  1407. else
  1408. spm_mtcmos_ctrl_mdsys2(STA_POWER_DOWN);
  1409. #endif
  1410. return 0;
  1411. #endif
  1412. BUG_ON(!initialized);
  1413. BUG_ON(!sys);
  1414. BUG_ON(sys->type != SYS_TYPE_MODEM);
  1415. /* 0: not sleep, 1: sleep */
  1416. #ifndef Bring_Up
  1417. slept = spm_md_sleep[id] ();
  1418. #endif
  1419. cnt = (timeout + JIFFIES_PER_LOOP - 1) / JIFFIES_PER_LOOP;
  1420. while (!slept && cnt--) {
  1421. msleep(MSEC_PER_SEC / JIFFIES_PER_LOOP);
  1422. #ifndef Bring_Up
  1423. slept = spm_md_sleep[id] ();
  1424. #endif
  1425. if (slept)
  1426. break;
  1427. }
  1428. clkmgr_lock(flags);
  1429. err = subsys_disable_internal(sys, 0, "md");
  1430. /*
  1431. if(id == 0)
  1432. spm_mtcmos_ctrl_mdsys1(STA_POWER_DOWN);
  1433. else
  1434. spm_mtcmos_ctrl_mdsys2(STA_POWER_DOWN);
  1435. */
  1436. clkmgr_unlock(flags);
  1437. clk_info("[%s]: id = %d\n", __func__, id);
  1438. WARN_ON(err);
  1439. return !slept;
  1440. }
  1441. EXPORT_SYMBOL(md_power_off);
  1442. int conn_power_on(void)
  1443. {
  1444. int err = 0;
  1445. unsigned long flags;
  1446. struct subsys *sys = id_to_sys(SYS_CONN);
  1447. #ifdef Bring_Up
  1448. #if !defined(CONFIG_MTK_FPGA)
  1449. spm_mtcmos_ctrl_connsys(STA_POWER_ON);
  1450. #endif
  1451. return 0;
  1452. #endif
  1453. BUG_ON(!initialized);
  1454. BUG_ON(!sys);
  1455. BUG_ON(sys->type != SYS_TYPE_CONN);
  1456. clkmgr_lock(flags);
  1457. /* spm_mtcmos_ctrl_connsys(STA_POWER_ON); */
  1458. err = subsys_enable_internal(sys, "conn");
  1459. clkmgr_unlock(flags);
  1460. clk_info("[%s]\n", __func__);
  1461. WARN_ON(err);
  1462. return err;
  1463. }
  1464. EXPORT_SYMBOL(conn_power_on);
  1465. int conn_power_off(void)
  1466. {
  1467. int err = 0;
  1468. unsigned long flags;
  1469. struct subsys *sys = id_to_sys(SYS_CONN);
  1470. #ifdef Bring_Up
  1471. #if !defined(CONFIG_MTK_FPGA)
  1472. spm_mtcmos_ctrl_connsys(STA_POWER_DOWN);
  1473. #endif
  1474. return 0;
  1475. #endif
  1476. BUG_ON(!initialized);
  1477. BUG_ON(!sys);
  1478. BUG_ON(sys->type != SYS_TYPE_CONN);
  1479. clkmgr_lock(flags);
  1480. /* spm_mtcmos_ctrl_connsys(STA_POWER_DOWN); */
  1481. err = subsys_disable_internal(sys, 0, "conn");
  1482. clkmgr_unlock(flags);
  1483. clk_info("[%s]\n", __func__);
  1484. WARN_ON(err);
  1485. return err;
  1486. }
  1487. EXPORT_SYMBOL(conn_power_off);
  1488. static DEFINE_MUTEX(larb_monitor_lock);
  1489. static LIST_HEAD(larb_monitor_handlers);
  1490. void register_larb_monitor(struct larb_monitor *handler)
  1491. {
  1492. struct list_head *pos;
  1493. #ifdef Bring_Up
  1494. return;
  1495. #endif
  1496. clk_info("register_larb_monitor\n");
  1497. mutex_lock(&larb_monitor_lock);
  1498. list_for_each(pos, &larb_monitor_handlers) {
  1499. struct larb_monitor *l;
  1500. l = list_entry(pos, struct larb_monitor, link);
  1501. if (l->level > handler->level)
  1502. break;
  1503. }
  1504. list_add_tail(&handler->link, pos);
  1505. mutex_unlock(&larb_monitor_lock);
  1506. }
  1507. EXPORT_SYMBOL(register_larb_monitor);
  1508. void unregister_larb_monitor(struct larb_monitor *handler)
  1509. {
  1510. #ifdef Bring_Up
  1511. return;
  1512. #endif
  1513. mutex_lock(&larb_monitor_lock);
  1514. list_del(&handler->link);
  1515. mutex_unlock(&larb_monitor_lock);
  1516. }
  1517. EXPORT_SYMBOL(unregister_larb_monitor);
  1518. static void larb_clk_prepare(int larb_idx)
  1519. {
  1520. switch (larb_idx) {
  1521. case MT_LARB_DISP:
  1522. /* display */
  1523. clk_writel(DISP_CG_CLR0, 0x3);
  1524. break;
  1525. case MT_LARB_VDEC:
  1526. /* vde */
  1527. clk_writel(LARB_CKEN_SET, 0x1);
  1528. break;
  1529. case MT_LARB_IMG:
  1530. /* isp */
  1531. clk_writel(IMG_CG_CLR, 0x1);
  1532. break;
  1533. case MT_LARB_VENC:
  1534. /* venc */
  1535. clk_writel(VENC_CG_SET, 0x11);
  1536. break;
  1537. /* case MT_LARB_MJC: */
  1538. /* mjc */
  1539. /* clk_writel(MJC_CG_CLR, 0x21); */
  1540. /* break; */
  1541. default:
  1542. BUG();
  1543. }
  1544. }
  1545. static void larb_clk_finish(int larb_idx)
  1546. {
  1547. switch (larb_idx) {
  1548. case MT_LARB_DISP:
  1549. /* display */
  1550. clk_writel(DISP_CG_SET0, 0x3);
  1551. break;
  1552. case MT_LARB_VDEC:
  1553. /* vde */
  1554. clk_writel(LARB_CKEN_CLR, 0x1);
  1555. break;
  1556. case MT_LARB_IMG:
  1557. /* isp */
  1558. clk_writel(IMG_CG_SET, 0x1);
  1559. break;
  1560. case MT_LARB_VENC:
  1561. /* venc */
  1562. clk_writel(VENC_CG_CLR, 0x11);
  1563. break;
  1564. /* case MT_LARB_MJC: */
  1565. /* mjc */
  1566. /* clk_writel(MJC_CG_SET, 0x21); */
  1567. /* break; */
  1568. default:
  1569. BUG();
  1570. }
  1571. }
  1572. static void larb_backup(int larb_idx)
  1573. {
  1574. struct larb_monitor *pos;
  1575. /* clk_info("[%s]: start to backup larb%d\n", __func__, larb_idx); */
  1576. clk_dbg("[%s]: backup larb%d\n", __func__, larb_idx);
  1577. larb_clk_prepare(larb_idx);
  1578. list_for_each_entry(pos, &larb_monitor_handlers, link) {
  1579. if (pos->backup != NULL) {
  1580. /* clk_info("[%s]: backup larb\n", __func__); */
  1581. pos->backup(pos, larb_idx);
  1582. }
  1583. }
  1584. larb_clk_finish(larb_idx);
  1585. }
  1586. static void larb_restore(int larb_idx)
  1587. {
  1588. struct larb_monitor *pos;
  1589. /* clk_info("[%s]: start to restore larb%d\n", __func__, larb_idx); */
  1590. clk_dbg("[%s]: restore larb%d\n", __func__, larb_idx);
  1591. larb_clk_prepare(larb_idx);
  1592. list_for_each_entry(pos, &larb_monitor_handlers, link) {
  1593. if (pos->restore != NULL) {
  1594. /* clk_info("[%s]: restore larb\n", __func__); */
  1595. pos->restore(pos, larb_idx);
  1596. }
  1597. }
  1598. larb_clk_finish(larb_idx);
  1599. }
  1600. /************************************************
  1601. ********** clkmux part **********
  1602. ************************************************/
  1603. static struct clkmux_ops clkmux_ops;
  1604. static struct clkmux_ops audio_clkmux_ops;
  1605. /* static struct clkmux_ops hd_audio_clkmux_ops; */
  1606. static struct clkmux muxs[NR_MUXS] = {
  1607. {
  1608. .name = __stringify(MUX_MM), /* 0 */
  1609. /* .base_addr = CLK_CFG_0, */
  1610. .sel_mask = 0x07000000,
  1611. .pdn_mask = 0x80000000,
  1612. .offset = 24,
  1613. .nr_inputs = 8,
  1614. .ops = &clkmux_ops,
  1615. .pll = &plls[VENCPLL],
  1616. }, {
  1617. .name = __stringify(MUX_DDRPHY), /* 1 */
  1618. /* .base_addr = CLK_CFG_0, */
  1619. .sel_mask = 0x00010000,
  1620. .pdn_mask = 0x00800000,
  1621. .offset = 16,
  1622. .nr_inputs = 2,
  1623. .ops = &clkmux_ops,
  1624. }, {
  1625. .name = __stringify(MUX_MEM), /* 2 */
  1626. /* .base_addr = CLK_CFG_0, */
  1627. .sel_mask = 0x00000100,
  1628. .pdn_mask = 0x00008000,
  1629. .offset = 8,
  1630. .nr_inputs = 2,
  1631. .ops = &clkmux_ops,
  1632. }, {
  1633. .name = __stringify(MUX_AXI), /* 3 */
  1634. /* .base_addr = CLK_CFG_0, */
  1635. .sel_mask = 0x00000007,
  1636. .pdn_mask = 0x00000080,
  1637. .offset = 0,
  1638. .nr_inputs = 8,
  1639. .ops = &clkmux_ops,
  1640. }, {
  1641. .name = __stringify(MUX_CAMTG), /* 4 */
  1642. /* .base_addr = CLK_CFG_1, */
  1643. .sel_mask = 0x07000000,
  1644. .pdn_mask = 0x80000000,
  1645. .offset = 24,
  1646. .nr_inputs = 7,
  1647. .ops = &clkmux_ops,
  1648. .pll = &plls[UNIVPLL],
  1649. }, {
  1650. .name = __stringify(MUX_MFG), /* 5 */
  1651. /* .base_addr = CLK_CFG_1, */
  1652. .sel_mask = 0x000f0000,
  1653. .pdn_mask = 0x00800000,
  1654. .offset = 16,
  1655. .nr_inputs = 14,
  1656. .ops = &clkmux_ops,
  1657. .siblings = &muxs[MT_MUX_MFG13M],
  1658. .pll = &plls[MMPLL],
  1659. }, {
  1660. .name = __stringify(MUX_VDEC), /* 6 */
  1661. /* .base_addr = CLK_CFG_1, */
  1662. .sel_mask = 0x00000700,
  1663. .pdn_mask = 0x00008000,
  1664. .offset = 8,
  1665. .nr_inputs = 8,
  1666. .ops = &clkmux_ops,
  1667. }, {
  1668. .name = __stringify(MUX_PWM), /* 7 */
  1669. /* .base_addr = CLK_CFG_1, */
  1670. .sel_mask = 0x00000003,
  1671. .pdn_mask = 0x00000080,
  1672. .offset = 0,
  1673. .nr_inputs = 4,
  1674. .ops = &clkmux_ops,
  1675. }, {
  1676. .name = __stringify(MUX_MSDC50_0), /* 8 */
  1677. /* .base_addr = CLK_CFG_2, */
  1678. .sel_mask = 0x07000000,
  1679. .pdn_mask = 0x80000000,
  1680. .offset = 24,
  1681. .nr_inputs = 6,
  1682. .ops = &clkmux_ops,
  1683. /* .pll = &plls[MSDCPLL], */
  1684. }, {
  1685. .name = __stringify(MUX_USB20), /* 9 */
  1686. /* .base_addr = CLK_CFG_2, */
  1687. .sel_mask = 0x00030000,
  1688. .pdn_mask = 0x00800000,
  1689. .offset = 16,
  1690. .nr_inputs = 3,
  1691. .ops = &clkmux_ops,
  1692. .pll = &plls[UNIVPLL],
  1693. }, {
  1694. .name = __stringify(MUX_SPI), /* 10 */
  1695. /* .base_addr = CLK_CFG_2, */
  1696. .sel_mask = 0x00000700,
  1697. .pdn_mask = 0x00008000,
  1698. .offset = 8,
  1699. .nr_inputs = 7,
  1700. .ops = &clkmux_ops,
  1701. }, {
  1702. .name = __stringify(MUX_UART), /* 11 */
  1703. /* .base_addr = CLK_CFG_2, */
  1704. .sel_mask = 0x00000001,
  1705. .pdn_mask = 0x00000080,
  1706. .offset = 0,
  1707. .nr_inputs = 2,
  1708. .ops = &clkmux_ops,
  1709. }, {
  1710. .name = __stringify(MUX_MSDC30_3), /* 12 */
  1711. /* .base_addr = CLK_CFG_3, */
  1712. .sel_mask = 0x0f000000,
  1713. .pdn_mask = 0x80000000,
  1714. .offset = 24,
  1715. .nr_inputs = 9,
  1716. .ops = &clkmux_ops,
  1717. .pll = &plls[MSDCPLL],
  1718. }, {
  1719. .name = __stringify(MUX_MSDC30_2), /* 13 */
  1720. /* .base_addr = CLK_CFG_3, */
  1721. .sel_mask = 0x00070000,
  1722. .pdn_mask = 0x00800000,
  1723. .offset = 16,
  1724. .nr_inputs = 8,
  1725. .ops = &clkmux_ops,
  1726. .pll = &plls[MSDCPLL],
  1727. }, {
  1728. .name = __stringify(MUX_MSDC30_1), /* 14 */
  1729. /* .base_addr = CLK_CFG_3, */
  1730. .sel_mask = 0x00000700,
  1731. .pdn_mask = 0x00008000,
  1732. .offset = 8,
  1733. .nr_inputs = 8,
  1734. .ops = &clkmux_ops,
  1735. .pll = &plls[MSDCPLL],
  1736. }, {
  1737. .name = __stringify(MUX_MSDC30_0), /* 15 */
  1738. /* .base_addr = CLK_CFG_3, */
  1739. .sel_mask = 0x0000000f,
  1740. .pdn_mask = 0x00000080,
  1741. .offset = 0,
  1742. .nr_inputs = 11,
  1743. .ops = &clkmux_ops,
  1744. .siblings = &muxs[MT_MUX_MSDC50_0],
  1745. .pll = &plls[MSDCPLL],
  1746. }, {
  1747. .name = __stringify(MUX_SCP), /* 16 */
  1748. /* .base_addr = CLK_CFG_4, */
  1749. .sel_mask = 0x03000000,
  1750. .pdn_mask = 0x80000000,
  1751. .offset = 24,
  1752. .nr_inputs = 4,
  1753. .ops = &clkmux_ops,
  1754. }, {
  1755. .name = __stringify(MUX_PMICSPI), /* 17 */
  1756. /* .base_addr = CLK_CFG_4, */
  1757. .sel_mask = 0x00070000,
  1758. .pdn_mask = 0x00800000,
  1759. .offset = 16,
  1760. .nr_inputs = 8,
  1761. .ops = &clkmux_ops,
  1762. }, {
  1763. .name = __stringify(MUX_AUDINTBUS), /* 18 */
  1764. /* .base_addr = CLK_CFG_4, */
  1765. .sel_mask = 0x00000300,
  1766. .pdn_mask = 0x00008000,
  1767. .offset = 8,
  1768. .nr_inputs = 4,
  1769. .ops = &audio_clkmux_ops,
  1770. .siblings = &muxs[MT_MUX_AUDIO],
  1771. }, {
  1772. .name = __stringify(MUX_AUDIO), /* 19 */
  1773. /* .base_addr = CLK_CFG_4, */
  1774. .sel_mask = 0x00000003,
  1775. .pdn_mask = 0x00000080,
  1776. .offset = 0,
  1777. .nr_inputs = 4,
  1778. .ops = &audio_clkmux_ops,
  1779. }, {
  1780. .name = __stringify(MUX_MFG13M), /* 20 */
  1781. /* .base_addr = CLK_CFG_5, */
  1782. .sel_mask = 0x01000000,
  1783. .pdn_mask = 0x80000000,
  1784. .offset = 24,
  1785. .nr_inputs = 2,
  1786. .ops = &clkmux_ops,
  1787. }, {
  1788. .name = __stringify(MUX_SCAM), /* 21 */
  1789. /* .base_addr = CLK_CFG_5, */
  1790. .sel_mask = 0x00030000,
  1791. .pdn_mask = 0x00800000,
  1792. .offset = 16,
  1793. .nr_inputs = 4,
  1794. .ops = &clkmux_ops,
  1795. /* .pll = &plls[UNIVPLL], */
  1796. }, {
  1797. .name = __stringify(MUX_DPI0), /* 22 */
  1798. /* .base_addr = CLK_CFG_5, */
  1799. .sel_mask = 0x00000700,
  1800. .pdn_mask = 0x00008000,
  1801. .offset = 8,
  1802. .nr_inputs = 5,
  1803. .ops = &clkmux_ops,
  1804. .pll = &plls[TVDPLL],
  1805. }, {
  1806. .name = __stringify(MUX_ATB), /* 23 */
  1807. /* .base_addr = CLK_CFG_5, */
  1808. .sel_mask = 0x00000003,
  1809. .pdn_mask = 0x00000080,
  1810. .offset = 0,
  1811. .nr_inputs = 4,
  1812. .ops = &clkmux_ops,
  1813. }, {
  1814. .name = __stringify(MUX_IRTX), /* 24 */
  1815. /* .base_addr = CLK_CFG_6, */
  1816. .sel_mask = 0x01000000,
  1817. .pdn_mask = 0x80000000,
  1818. .offset = 24,
  1819. .nr_inputs = 2,
  1820. .ops = &clkmux_ops,
  1821. }, {
  1822. .name = __stringify(MUX_IRDA), /* 25 */
  1823. /* .base_addr = CLK_CFG_6, */
  1824. .sel_mask = 0x00010000,
  1825. .pdn_mask = 0x00800000,
  1826. .offset = 16,
  1827. .nr_inputs = 2,
  1828. .ops = &clkmux_ops,
  1829. .pll = &plls[UNIVPLL],
  1830. }, {
  1831. .name = __stringify(MUX_AUD2), /* 26 */
  1832. /* .base_addr = CLK_CFG_6, */
  1833. .sel_mask = 0x00000100,
  1834. .pdn_mask = 0x00008000,
  1835. .offset = 8,
  1836. .nr_inputs = 2,
  1837. .ops = &clkmux_ops,
  1838. .pll = &plls[APLL2],
  1839. }, {
  1840. .name = __stringify(MUX_AUD1), /* 27 */
  1841. /* .base_addr = CLK_CFG_6, */
  1842. .sel_mask = 0x00000001,
  1843. .pdn_mask = 0x00000080,
  1844. .offset = 0,
  1845. .nr_inputs = 2,
  1846. .ops = &clkmux_ops,
  1847. .pll = &plls[APLL1],
  1848. }, {
  1849. .name = __stringify(MUX_DISPPWM), /* 28 */
  1850. /* .base_addr = CLK_CFG_7, */
  1851. .sel_mask = 0x00000003,
  1852. .pdn_mask = 0x00000080,
  1853. .offset = 0,
  1854. .nr_inputs = 4,
  1855. .ops = &clkmux_ops,
  1856. .pll = &plls[UNIVPLL],
  1857. }
  1858. };
  1859. static struct clkmux *id_to_mux(unsigned int id)
  1860. {
  1861. return id < NR_MUXS ? muxs + id : NULL;
  1862. }
  1863. #define mux_to_id(mux) (mux-muxs)
  1864. static void clkmux_sel_op(struct clkmux *mux, unsigned clksrc)
  1865. {
  1866. /* volatile unsigned int reg; */
  1867. unsigned int id;
  1868. id = mux_to_id(mux);
  1869. #ifdef MUX_LOG_TOP
  1870. /* clk_info("[%s]: mux->name=%s, clksrc=%d\n", __func__, mux->name, clksrc); */
  1871. clk_dbg("[%s]: mux->name=%s, clksrc=%d\n", __func__, mux->name, clksrc);
  1872. #endif
  1873. #if 0
  1874. reg = clk_readl(mux->base_addr);
  1875. reg &= ~(mux->sel_mask);
  1876. reg |= (clksrc << mux->offset) & mux->sel_mask;
  1877. clk_writel(mux->base_addr, reg);
  1878. #else
  1879. clk_writel(mux->base_addr + 8, mux->sel_mask); /* clr */
  1880. clk_writel(mux->base_addr + 4, (clksrc << mux->offset)); /* set */
  1881. if (id == MT_MUX_AXI) {
  1882. if (clksrc == 2)
  1883. clk_clrl(PERI_GLOBALCON_CKSEL, 1); /* 218M, bit 0 set 0 */
  1884. else
  1885. clk_setl(PERI_GLOBALCON_CKSEL, 1); /* 136M, bit 0 set 1 */
  1886. }
  1887. #ifdef CONFIG_MTK_RAM_CONSOLE
  1888. if (id < 4)
  1889. aee_rr_rec_clk(0, clk_readl(mux->base_addr));
  1890. else if (id < 8)
  1891. aee_rr_rec_clk(1, clk_readl(mux->base_addr));
  1892. else if (id < 12)
  1893. aee_rr_rec_clk(2, clk_readl(mux->base_addr));
  1894. else if (id < 16)
  1895. aee_rr_rec_clk(3, clk_readl(mux->base_addr));
  1896. else if (id < 20)
  1897. aee_rr_rec_clk(4, clk_readl(mux->base_addr));
  1898. else if (id < 24)
  1899. aee_rr_rec_clk(5, clk_readl(mux->base_addr));
  1900. else if (id < 28)
  1901. aee_rr_rec_clk(6, clk_readl(mux->base_addr));
  1902. else if (id < 32)
  1903. aee_rr_rec_clk(7, clk_readl(mux->base_addr));
  1904. #endif
  1905. #endif
  1906. }
  1907. static void clkmux_enable_op(struct clkmux *mux)
  1908. {
  1909. unsigned int id;
  1910. id = mux_to_id(mux);
  1911. #ifdef MUX_LOG
  1912. /* clk_info("[%s]: mux->name=%s\n", __func__, mux->name); */
  1913. clk_dbg("[%s]: mux->name=%s\n", __func__, mux->name);
  1914. #endif
  1915. #if 0
  1916. clk_clrl(mux->base_addr, mux->pdn_mask);
  1917. #else
  1918. clk_writel(mux->base_addr + 8, mux->pdn_mask); /* write clr reg */
  1919. #ifdef CONFIG_MTK_RAM_CONSOLE
  1920. if (id < 4)
  1921. aee_rr_rec_clk(0, clk_readl(mux->base_addr));
  1922. else if (id < 8)
  1923. aee_rr_rec_clk(1, clk_readl(mux->base_addr));
  1924. else if (id < 12)
  1925. aee_rr_rec_clk(2, clk_readl(mux->base_addr));
  1926. else if (id < 16)
  1927. aee_rr_rec_clk(3, clk_readl(mux->base_addr));
  1928. else if (id < 20)
  1929. aee_rr_rec_clk(4, clk_readl(mux->base_addr));
  1930. else if (id < 24)
  1931. aee_rr_rec_clk(5, clk_readl(mux->base_addr));
  1932. else if (id < 28)
  1933. aee_rr_rec_clk(6, clk_readl(mux->base_addr));
  1934. else if (id < 32)
  1935. aee_rr_rec_clk(7, clk_readl(mux->base_addr));
  1936. #endif
  1937. #endif
  1938. }
  1939. static void clkmux_disable_op(struct clkmux *mux)
  1940. {
  1941. unsigned int id;
  1942. id = mux_to_id(mux);
  1943. #ifdef MUX_LOG
  1944. /* clk_info("[%s]: mux->name=%s\n", __func__, mux->name); */
  1945. clk_dbg("[%s]: mux->name=%s\n", __func__, mux->name);
  1946. #endif
  1947. #if 0
  1948. clk_setl(mux->base_addr, mux->pdn_mask);
  1949. #else
  1950. clk_writel(mux->base_addr + 4, mux->pdn_mask); /* write set reg */
  1951. #ifdef CONFIG_MTK_RAM_CONSOLE
  1952. if (id < 4)
  1953. aee_rr_rec_clk(0, clk_readl(mux->base_addr));
  1954. else if (id < 8)
  1955. aee_rr_rec_clk(1, clk_readl(mux->base_addr));
  1956. else if (id < 12)
  1957. aee_rr_rec_clk(2, clk_readl(mux->base_addr));
  1958. else if (id < 16)
  1959. aee_rr_rec_clk(3, clk_readl(mux->base_addr));
  1960. else if (id < 20)
  1961. aee_rr_rec_clk(4, clk_readl(mux->base_addr));
  1962. else if (id < 24)
  1963. aee_rr_rec_clk(5, clk_readl(mux->base_addr));
  1964. else if (id < 28)
  1965. aee_rr_rec_clk(6, clk_readl(mux->base_addr));
  1966. else if (id < 32)
  1967. aee_rr_rec_clk(7, clk_readl(mux->base_addr));
  1968. #endif
  1969. #endif
  1970. }
  1971. static struct clkmux_ops clkmux_ops = {
  1972. .sel = clkmux_sel_op,
  1973. .enable = clkmux_enable_op,
  1974. .disable = clkmux_disable_op,
  1975. };
  1976. /*
  1977. static struct clkmux_ops hd_audio_clkmux_ops = {
  1978. .enable = clkmux_enable_op,
  1979. .disable = clkmux_disable_op,
  1980. };*/
  1981. /*
  1982. static void audio_clkmux_enable_op(struct clkmux *mux)
  1983. {
  1984. #ifdef MUX_LOG
  1985. //clk_info("[%s]: mux->name=%s\n", __func__, mux->name);
  1986. clk_dbg("[%s]: mux->name=%s\n", __func__, mux->name);
  1987. #endif
  1988. clk_clrl(mux->base_addr, mux->pdn_mask);
  1989. };
  1990. */
  1991. static struct clkmux_ops audio_clkmux_ops = {
  1992. .sel = clkmux_sel_op,
  1993. /* .enable = audio_clkmux_enable_op, */
  1994. .enable = clkmux_enable_op,
  1995. .disable = clkmux_disable_op,
  1996. };
  1997. static void clkmux_sel_locked(struct clkmux *mux, unsigned int clksrc)
  1998. {
  1999. mux->ops->sel(mux, clksrc);
  2000. }
  2001. static void mux_enable_locked(struct clkmux *mux)
  2002. {
  2003. mux->cnt++;
  2004. #ifdef MUX_LOG_TOP
  2005. clk_info("[%s]: Start. mux->name=%s, mux->cnt=%d\n", __func__, mux->name, mux->cnt);
  2006. #endif
  2007. if (mux->cnt > 1)
  2008. return;
  2009. if (mux->pll)
  2010. pll_enable_internal(mux->pll, "mux");
  2011. /* if (mux->parent) { */
  2012. /* mux_enable_internal(mux->parent, "mux_p"); */
  2013. /* } */
  2014. if (mux->ops)
  2015. mux->ops->enable(mux);
  2016. if (mux->siblings)
  2017. mux_enable_internal(mux->siblings, "mux_s");
  2018. #ifdef MUX_LOG_TOP
  2019. clk_info("[%s]: End. mux->name=%s, mux->cnt=%d\n", __func__, mux->name, mux->cnt);
  2020. #endif
  2021. }
  2022. static void mux_disable_locked(struct clkmux *mux)
  2023. {
  2024. #ifdef MUX_LOG_TOP
  2025. clk_info("[%s]: Start. mux->name=%s, mux->cnt=%d\n", __func__, mux->name, mux->cnt);
  2026. #endif
  2027. BUG_ON(!mux->cnt);
  2028. mux->cnt--;
  2029. #ifdef MUX_LOG_TOP
  2030. clk_info("[%s]: Start. mux->name=%s, mux->cnt=%d\n", __func__, mux->name, mux->cnt);
  2031. #endif
  2032. if (mux->cnt > 0)
  2033. return;
  2034. if (mux->ops)
  2035. mux->ops->disable(mux);
  2036. if (mux->siblings)
  2037. mux_disable_internal(mux->siblings, "mux_s");
  2038. /* if (mux->parent) { */
  2039. /* mux_disable_internal(mux->siblings, "mux_p"); */
  2040. /* } */
  2041. if (mux->pll)
  2042. pll_disable_internal(mux->pll, "mux");
  2043. #ifdef MUX_LOG_TOP
  2044. clk_info("[%s]: End. mux->name=%s, mux->cnt=%d\n", __func__, mux->name, mux->cnt);
  2045. #endif
  2046. }
  2047. int clkmux_sel(int id, unsigned int clksrc, char *name)
  2048. {
  2049. unsigned long flags;
  2050. struct clkmux *mux = id_to_mux(id);
  2051. #ifdef Bring_Up
  2052. unsigned int reg;
  2053. if (id == MT_MUX_CAMTG) {
  2054. reg = clk_readl(CLK_CFG_1);
  2055. reg &= ~(0x07000000);
  2056. reg |= (clksrc << 24) & 0x07000000;
  2057. clk_writel(CLK_CFG_1, reg);
  2058. } else if (id == MT_MUX_DPI0) {
  2059. reg = clk_readl(CLK_CFG_5);
  2060. reg &= ~(0x00000700);
  2061. reg |= (clksrc << 8) & 0x00000700;
  2062. clk_writel(CLK_CFG_5, reg);
  2063. }
  2064. return 0;
  2065. #endif
  2066. BUG_ON(!initialized);
  2067. BUG_ON(!mux);
  2068. BUG_ON(clksrc >= mux->nr_inputs);
  2069. clkmgr_lock(flags);
  2070. clkmux_sel_locked(mux, clksrc);
  2071. clkmgr_unlock(flags);
  2072. return 0;
  2073. }
  2074. EXPORT_SYMBOL(clkmux_sel);
  2075. void enable_mux(int id, char *name)
  2076. {
  2077. unsigned long flags;
  2078. struct clkmux *mux = id_to_mux(id);
  2079. #ifdef Bring_Up
  2080. return;
  2081. #endif
  2082. #ifndef PLL_CLK_LINK
  2083. return;
  2084. #endif
  2085. BUG_ON(!initialized);
  2086. BUG_ON(!mux);
  2087. BUG_ON(!name);
  2088. #ifdef MUX_LOG_TOP
  2089. clk_info("[%s]: id=%d, name=%s\n", __func__, id, name);
  2090. /* #else */
  2091. /* if(id == MT_MUX_MM) */
  2092. /* clk_info("[%s]: id=%d, name=%s\n", __func__, id, name); */
  2093. #endif
  2094. clkmgr_lock(flags);
  2095. mux_enable_internal(mux, name);
  2096. clkmgr_unlock(flags);
  2097. }
  2098. EXPORT_SYMBOL(enable_mux);
  2099. void disable_mux(int id, char *name)
  2100. {
  2101. unsigned long flags;
  2102. struct clkmux *mux = id_to_mux(id);
  2103. #ifdef Bring_Up
  2104. return;
  2105. #endif
  2106. #ifndef PLL_CLK_LINK
  2107. return;
  2108. #endif
  2109. BUG_ON(!initialized);
  2110. BUG_ON(!mux);
  2111. BUG_ON(!name);
  2112. #ifdef MUX_LOG_TOP
  2113. clk_info("[%s]: id=%d, name=%s\n", __func__, id, name);
  2114. /* #else */
  2115. /* if(id == MT_MUX_MM) */
  2116. /* clk_info("[%s]: id=%d, name=%s\n", __func__, id, name); */
  2117. #endif
  2118. clkmgr_lock(flags);
  2119. mux_disable_internal(mux, name);
  2120. clkmgr_unlock(flags);
  2121. }
  2122. EXPORT_SYMBOL(disable_mux);
  2123. /************************************************
  2124. ********** cg_grp part **********
  2125. ************************************************/
  2126. static struct cg_grp_ops general_cg_grp_ops;
  2127. static struct cg_grp_ops disp0_cg_grp_ops;
  2128. static struct cg_grp_ops vdec_cg_grp_ops;
  2129. static struct cg_grp_ops venc_cg_grp_ops;
  2130. static struct cg_grp grps[NR_GRPS] = {
  2131. {
  2132. .name = __stringify(CG_INFRA),
  2133. /* .set_addr = INFRA_PDN_SET0, //disable */
  2134. /* .clr_addr = INFRA_PDN_CLR0, //enable */
  2135. /* .sta_addr = INFRA_PDN_STA0, */
  2136. .mask = 0x00FD91FF,
  2137. .ops = &general_cg_grp_ops,
  2138. }, {
  2139. .name = __stringify(CG_PERI),
  2140. /* .set_addr = INFRA_PDN_SET1, //disable */
  2141. /* .clr_addr = INFRA_PDN_CLR1, //enable */
  2142. /* .sta_addr = INFRA_PDN_STA1, */
  2143. .mask = 0x3FFFFFFF,
  2144. .ops = &general_cg_grp_ops,
  2145. }, {
  2146. .name = __stringify(CG_DISP0),
  2147. /* .set_addr = DISP_CG_SET0, //disable */
  2148. /* .clr_addr = DISP_CG_CLR0, //enable */
  2149. /* .sta_addr = DISP_CG_CON0, */
  2150. /* .dummy_addr = MMSYS_DUMMY, */
  2151. /* .bw_limit_addr = SMI_LARB_BWL_EN_REG, */
  2152. .mask = 0x0007FFFF,
  2153. .ops = &disp0_cg_grp_ops,
  2154. .sys = &syss[SYS_DIS],
  2155. }, {
  2156. .name = __stringify(CG_DISP1),
  2157. /* .set_addr = DISP_CG_SET1, //disable */
  2158. /* .clr_addr = DISP_CG_CLR1, //enable */
  2159. /* .sta_addr = DISP_CG_CON1, */
  2160. .mask = 0x0000003C,
  2161. .ops = &general_cg_grp_ops,
  2162. .sys = &syss[SYS_DIS],
  2163. }, {
  2164. .name = __stringify(CG_IMAGE),
  2165. /* .set_addr = IMG_CG_SET, //disable */
  2166. /* .clr_addr = IMG_CG_CLR, //enable */
  2167. /* .sta_addr = IMG_CG_CON, */
  2168. .mask = 0x00000FE1,
  2169. .ops = &general_cg_grp_ops,
  2170. .sys = &syss[SYS_ISP],
  2171. }, {
  2172. .name = __stringify(CG_MFG),
  2173. /* .set_addr = MFG_CG_SET, //disable */
  2174. /* .clr_addr = MFG_CG_CLR, //enable */
  2175. /* .sta_addr = MFG_CG_CON, */
  2176. .mask = 0x00000001,
  2177. .ops = &general_cg_grp_ops,
  2178. .sys = &syss[SYS_MFG],
  2179. }, {
  2180. .name = __stringify(CG_AUDIO),
  2181. /* .sta_addr = AUDIO_TOP_CON0, */
  2182. .mask = 0x0F0C0344,
  2183. .ops = &general_cg_grp_ops,
  2184. /* .sys = &syss[SYS_AUD], */
  2185. }, {
  2186. .name = __stringify(CG_VDEC0),
  2187. /* .set_addr = VDEC_CKEN_CLR, //disable */
  2188. /* .clr_addr = VDEC_CKEN_SET, //enable */
  2189. .mask = 0x00000001,
  2190. .ops = &vdec_cg_grp_ops,
  2191. .sys = &syss[SYS_VDE],
  2192. }, {
  2193. .name = __stringify(CG_VDEC1),
  2194. /* .set_addr = LARB_CKEN_CLR, //disable */
  2195. /* .clr_addr = LARB_CKEN_SET, //enable */
  2196. .mask = 0x00000001,
  2197. .ops = &vdec_cg_grp_ops,
  2198. .sys = &syss[SYS_VDE],
  2199. }, /* {
  2200. .name = __stringify(CG_MJC),
  2201. .set_addr = MJC_CG_SET, //disable
  2202. .clr_addr = MJC_CG_CLR, //enable
  2203. .sta_addr = MJC_CG_CON,
  2204. .mask = 0x0000002F,
  2205. .ops = &general_cg_grp_ops,
  2206. .sys = &syss[SYS_MJC],
  2207. }, */ {
  2208. .name = __stringify(CG_VENC),
  2209. /* .set_addr = VENC_CG_CLR, //disable */
  2210. /* .clr_addr = VENC_CG_SET, //enable */
  2211. /* .sta_addr = VENC_CG_CON, */
  2212. .mask = 0x00001111,
  2213. .ops = &venc_cg_grp_ops,
  2214. .sys = &syss[SYS_VEN],
  2215. }
  2216. };
  2217. static struct cg_grp *id_to_grp(unsigned int id)
  2218. {
  2219. return id < NR_GRPS ? grps + id : NULL;
  2220. }
  2221. static unsigned int general_grp_get_state_op(struct cg_grp *grp)
  2222. {
  2223. volatile unsigned int val;
  2224. struct subsys *sys = grp->sys;
  2225. if (sys && !sys->state)
  2226. return 0;
  2227. val = clk_readl(grp->sta_addr);
  2228. val = (~val) & (grp->mask);
  2229. return val;
  2230. }
  2231. static int general_grp_dump_regs_op(struct cg_grp *grp, unsigned int *ptr)
  2232. {
  2233. *(ptr) = clk_readl(grp->sta_addr);
  2234. /* *(ptr) = clk_readl(grp->sta_addr) & grp->mask; */
  2235. return 1;
  2236. }
  2237. static struct cg_grp_ops general_cg_grp_ops = {
  2238. .get_state = general_grp_get_state_op,
  2239. .dump_regs = general_grp_dump_regs_op,
  2240. };
  2241. static unsigned int disp0_grp_get_state_op(struct cg_grp *grp)
  2242. {
  2243. volatile unsigned int val;
  2244. struct subsys *sys = grp->sys;
  2245. if (sys && !sys->state)
  2246. return 0;
  2247. val = clk_readl(grp->dummy_addr);
  2248. val = (~val) & (grp->mask);
  2249. return val;
  2250. }
  2251. static int disp0_grp_dump_regs_op(struct cg_grp *grp, unsigned int *ptr)
  2252. {
  2253. *(ptr) = clk_readl(grp->sta_addr);
  2254. *(++ptr) = clk_readl(grp->dummy_addr);
  2255. /* *(++ptr) = clk_readl(grp->bw_limit_addr); */
  2256. return 2;
  2257. }
  2258. static struct cg_grp_ops disp0_cg_grp_ops = {
  2259. .get_state = disp0_grp_get_state_op,
  2260. .dump_regs = disp0_grp_dump_regs_op,
  2261. };
  2262. static unsigned int vdec_grp_get_state_op(struct cg_grp *grp)
  2263. {
  2264. volatile unsigned int val = 0;
  2265. val = clk_readl(grp->set_addr);
  2266. val &= grp->mask;
  2267. return val;
  2268. }
  2269. static int vdec_grp_dump_regs_op(struct cg_grp *grp, unsigned int *ptr)
  2270. {
  2271. *(ptr) = clk_readl(grp->set_addr);
  2272. *(++ptr) = clk_readl(grp->clr_addr);
  2273. return 2;
  2274. }
  2275. static struct cg_grp_ops vdec_cg_grp_ops = {
  2276. .get_state = vdec_grp_get_state_op,
  2277. .dump_regs = vdec_grp_dump_regs_op,
  2278. };
  2279. static unsigned int venc_grp_get_state_op(struct cg_grp *grp)
  2280. {
  2281. volatile unsigned int val = 0;
  2282. val = clk_readl(grp->sta_addr);
  2283. val &= grp->mask;
  2284. return val;
  2285. }
  2286. static int venc_grp_dump_regs_op(struct cg_grp *grp, unsigned int *ptr)
  2287. {
  2288. *(ptr) = clk_readl(grp->sta_addr);
  2289. return 1;
  2290. }
  2291. static struct cg_grp_ops venc_cg_grp_ops = {
  2292. .get_state = venc_grp_get_state_op,
  2293. .dump_regs = venc_grp_dump_regs_op,
  2294. };
  2295. /************************************************
  2296. ********** cg_clk part **********
  2297. ************************************************/
  2298. static struct cg_clk_ops general_cg_clk_ops;
  2299. #if 0
  2300. static struct cg_clk_ops audio_cg_clk_ops;
  2301. #endif
  2302. static struct cg_clk_ops audsys_cg_clk_ops; /* @audio sys */
  2303. static struct cg_clk_ops disp0_cg_clk_ops;
  2304. static struct cg_clk_ops vdec_cg_clk_ops;
  2305. static struct cg_clk_ops venc_cg_clk_ops;
  2306. static struct cg_clk clks[NR_CLKS] = {
  2307. [CG_INFRA_FROM ... CG_INFRA_TO] = {
  2308. .cnt = 0,
  2309. .ops = &general_cg_clk_ops,
  2310. .grp = &grps[CG_INFRA],
  2311. },
  2312. [CG_PERI_FROM ... CG_PERI_TO] = {
  2313. .cnt = 0,
  2314. .ops = &general_cg_clk_ops,
  2315. .grp = &grps[CG_PERI],
  2316. },
  2317. [CG_DISP0_FROM ... CG_DISP0_TO] = {
  2318. .cnt = 0,
  2319. .ops = &disp0_cg_clk_ops,
  2320. .grp = &grps[CG_DISP0],
  2321. },
  2322. [CG_DISP1_FROM ... CG_DISP1_TO] = {
  2323. .cnt = 0,
  2324. .ops = &general_cg_clk_ops,
  2325. .grp = &grps[CG_DISP1],
  2326. },
  2327. [CG_IMAGE_FROM ... CG_IMAGE_TO] = {
  2328. .cnt = 0,
  2329. .ops = &general_cg_clk_ops,
  2330. .grp = &grps[CG_IMAGE],
  2331. },
  2332. [CG_MFG_FROM ... CG_MFG_TO] = {
  2333. .cnt = 0,
  2334. .ops = &general_cg_clk_ops,
  2335. .grp = &grps[CG_MFG],
  2336. },
  2337. [CG_AUDIO_FROM ... CG_AUDIO_TO] = {
  2338. .cnt = 0,
  2339. .ops = &audsys_cg_clk_ops,
  2340. .grp = &grps[CG_AUDIO],
  2341. },
  2342. [CG_VDEC0_FROM ... CG_VDEC0_TO] = {
  2343. .cnt = 0,
  2344. .ops = &vdec_cg_clk_ops,
  2345. .grp = &grps[CG_VDEC0],
  2346. },
  2347. [CG_VDEC1_FROM ... CG_VDEC1_TO] = {
  2348. .cnt = 0,
  2349. .ops = &vdec_cg_clk_ops,
  2350. .grp = &grps[CG_VDEC1],
  2351. },
  2352. /* [CG_MJC_FROM ... CG_MJC_TO] = {
  2353. .cnt = 0,
  2354. .ops = &general_cg_clk_ops,
  2355. .grp = &grps[CG_MJC],
  2356. }, */
  2357. [CG_VENC_FROM ... CG_VENC_TO] = {
  2358. .cnt = 0,
  2359. .ops = &venc_cg_clk_ops,
  2360. .grp = &grps[CG_VENC],
  2361. },
  2362. };
  2363. static struct cg_clk *id_to_clk(unsigned int id)
  2364. {
  2365. return id < NR_CLKS ? clks + id : NULL;
  2366. }
  2367. static int general_clk_get_state_op(struct cg_clk *clk)
  2368. {
  2369. struct subsys *sys = clk->grp->sys;
  2370. if (sys && !sys->state)
  2371. return PWR_DOWN;
  2372. return (clk_readl(clk->grp->sta_addr) & (clk->mask)) ? PWR_DOWN : PWR_ON;
  2373. }
  2374. static int general_clk_check_validity_op(struct cg_clk *clk)
  2375. {
  2376. int valid = 0;
  2377. if (clk->mask & clk->grp->mask)
  2378. valid = 1;
  2379. return valid;
  2380. }
  2381. static int general_clk_enable_op(struct cg_clk *clk)
  2382. {
  2383. #ifdef CLK_LOG
  2384. clk_info("[%s]: clk->grp->name=%s, clk->mask=0x%x\n", __func__, clk->grp->name, clk->mask);
  2385. #endif
  2386. clk_writel(clk->grp->clr_addr, clk->mask);
  2387. return 0;
  2388. }
  2389. static int general_clk_disable_op(struct cg_clk *clk)
  2390. {
  2391. #ifdef CLK_LOG
  2392. clk_info("[%s]: clk->grp->name=%s, clk->mask=0x%x\n", __func__, clk->grp->name, clk->mask);
  2393. #endif
  2394. clk_writel(clk->grp->set_addr, clk->mask);
  2395. return 0;
  2396. }
  2397. static struct cg_clk_ops general_cg_clk_ops = {
  2398. .get_state = general_clk_get_state_op,
  2399. .check_validity = general_clk_check_validity_op,
  2400. .enable = general_clk_enable_op,
  2401. .disable = general_clk_disable_op,
  2402. };
  2403. static int disp0_clk_get_state_op(struct cg_clk *clk)
  2404. {
  2405. struct subsys *sys = clk->grp->sys;
  2406. if (sys && !sys->state)
  2407. return PWR_DOWN;
  2408. return (clk_readl(clk->grp->dummy_addr) & (clk->mask)) ? PWR_DOWN : PWR_ON;
  2409. }
  2410. static int disp0_clk_enable_op(struct cg_clk *clk)
  2411. {
  2412. #ifdef DISP_CLK_LOG
  2413. clk_info("[%s]: clk->grp->name=%s, clk->mask=0x%x\n", __func__, clk->grp->name, clk->mask);
  2414. #endif
  2415. /* clk_writel(clk->grp->clr_addr, clk->mask); */
  2416. clk_clrl(clk->grp->dummy_addr, clk->mask);
  2417. if (clk->mask & 0x00000203)
  2418. clk_writel(clk->grp->clr_addr, clk->mask);
  2419. return 0;
  2420. }
  2421. static int disp0_clk_disable_op(struct cg_clk *clk)
  2422. {
  2423. #ifdef DISP_CLK_LOG
  2424. clk_info("[%s]: clk->grp->name=%s, clk->mask=0x%x\n", __func__, clk->grp->name, clk->mask);
  2425. #endif
  2426. /* clk_writel(clk->grp->set_addr, clk->mask); */
  2427. clk_setl(clk->grp->dummy_addr, clk->mask);
  2428. if (clk->mask & 0x00000203)
  2429. clk_writel(clk->grp->set_addr, clk->mask);
  2430. return 0;
  2431. }
  2432. static struct cg_clk_ops disp0_cg_clk_ops = {
  2433. .get_state = disp0_clk_get_state_op,
  2434. .check_validity = general_clk_check_validity_op,
  2435. .enable = disp0_clk_enable_op,
  2436. .disable = disp0_clk_disable_op,
  2437. };
  2438. #if 0
  2439. static int audio_clk_enable_op(struct cg_clk *clk)
  2440. {
  2441. #ifdef CLK_LOG
  2442. clk_info("[%s]: clk->grp->name=%s, clk->mask=0x%x\n", __func__, clk->grp->name, clk->mask);
  2443. #endif
  2444. clk_writel(clk->grp->clr_addr, clk->mask);
  2445. /* clk_setl(TOPAXI_SI0_CTL, 1U << 7); //audio not from AXI */
  2446. return 0;
  2447. }
  2448. static int audio_clk_disable_op(struct cg_clk *clk)
  2449. {
  2450. #ifdef CLK_LOG
  2451. clk_info("[%s]: clk->grp->name=%s, clk->mask=0x%x\n", __func__, clk->grp->name, clk->mask);
  2452. #endif
  2453. /* clk_clrl(TOPAXI_SI0_CTL, 1U << 7); //audio not from AXI */
  2454. clk_writel(clk->grp->set_addr, clk->mask);
  2455. return 0;
  2456. }
  2457. static struct cg_clk_ops audio_cg_clk_ops = {
  2458. .get_state = general_clk_get_state_op,
  2459. .check_validity = general_clk_check_validity_op,
  2460. .enable = audio_clk_enable_op,
  2461. .disable = audio_clk_disable_op,
  2462. };
  2463. #endif
  2464. static int audsys_clk_enable_op(struct cg_clk *clk)
  2465. {
  2466. /* clk_info("[%s]: CLK_CFG_2=0x%x, CLK_CFG_3=0x%x\n", __func__, clk_readl(CLK_CFG_2),clk_readl(CLK_CFG_3)); */
  2467. clk_clrl(clk->grp->sta_addr, clk->mask);
  2468. return 0;
  2469. }
  2470. static int audsys_clk_disable_op(struct cg_clk *clk)
  2471. {
  2472. clk_setl(clk->grp->sta_addr, clk->mask);
  2473. return 0;
  2474. }
  2475. static struct cg_clk_ops audsys_cg_clk_ops = {
  2476. .get_state = general_clk_get_state_op,
  2477. .check_validity = general_clk_check_validity_op,
  2478. .enable = audsys_clk_enable_op,
  2479. .disable = audsys_clk_disable_op,
  2480. };
  2481. static int vdec_clk_get_state_op(struct cg_clk *clk)
  2482. {
  2483. return (clk_readl(clk->grp->set_addr) & (clk->mask)) ? PWR_ON : PWR_DOWN;
  2484. }
  2485. static struct cg_clk_ops vdec_cg_clk_ops = {
  2486. .get_state = vdec_clk_get_state_op,
  2487. .check_validity = general_clk_check_validity_op,
  2488. .enable = general_clk_enable_op,
  2489. .disable = general_clk_disable_op,
  2490. };
  2491. static int venc_clk_get_state_op(struct cg_clk *clk)
  2492. {
  2493. return (clk_readl(clk->grp->sta_addr) & (clk->mask)) ? PWR_ON : PWR_DOWN;
  2494. }
  2495. static struct cg_clk_ops venc_cg_clk_ops = {
  2496. .get_state = venc_clk_get_state_op,
  2497. .check_validity = general_clk_check_validity_op,
  2498. .enable = general_clk_enable_op,
  2499. .disable = general_clk_disable_op,
  2500. };
  2501. #ifdef PLL_CLK_LINK
  2502. static int power_prepare_locked(struct cg_grp *grp)
  2503. {
  2504. int err = 0;
  2505. if (grp->sys)
  2506. err = subsys_enable_internal(grp->sys, "clk");
  2507. return err;
  2508. }
  2509. static int power_finish_locked(struct cg_grp *grp)
  2510. {
  2511. int err = 0;
  2512. if (grp->sys)
  2513. err = subsys_disable_internal(grp->sys, 0, "clk");
  2514. return err;
  2515. }
  2516. #endif
  2517. static int clk_enable_locked(struct cg_clk *clk)
  2518. {
  2519. struct cg_grp *grp = clk->grp;
  2520. unsigned int local_state;
  2521. #ifdef STATE_CHECK_DEBUG
  2522. unsigned int reg_state;
  2523. #endif
  2524. #ifdef PLL_CLK_LINK
  2525. int err;
  2526. #endif
  2527. clk->cnt++;
  2528. #ifdef CLK_LOG
  2529. clk_info
  2530. ("[%s]: Start. grp->name=%s, grp->state=0x%x, clk->mask=0x%x, clk->cnt=%d, clk->state=%d\n",
  2531. __func__, grp->name, grp->state, clk->mask, clk->cnt, clk->state);
  2532. #endif
  2533. if (clk->cnt > 1)
  2534. return 0;
  2535. local_state = clk->state;
  2536. #ifdef STATE_CHECK_DEBUG
  2537. reg_state = grp->ops->get_state(grp, clk);
  2538. /* BUG_ON(local_state != reg_state); */
  2539. #endif
  2540. #ifdef PLL_CLK_LINK
  2541. if (clk->mux)
  2542. mux_enable_internal(clk->mux, "clk");
  2543. err = power_prepare_locked(grp);
  2544. BUG_ON(err);
  2545. #endif
  2546. /* if (clk->parent) { */
  2547. /* clk_enable_internal(clk->parent, "clk"); */
  2548. /* } */
  2549. if (local_state == PWR_ON)
  2550. return 0;
  2551. clk->ops->enable(clk);
  2552. clk->state = PWR_ON;
  2553. grp->state |= clk->mask;
  2554. #ifdef CLK_LOG
  2555. clk_info
  2556. ("[%s]: End. grp->name=%s, grp->state=0x%x, clk->mask=0x%x, clk->cnt=%d, clk->state=%d\n",
  2557. __func__, grp->name, grp->state, clk->mask, clk->cnt, clk->state);
  2558. #endif
  2559. return 0;
  2560. }
  2561. static void clk_stat_bug(void);
  2562. static int clk_disable_locked(struct cg_clk *clk)
  2563. {
  2564. struct cg_grp *grp = clk->grp;
  2565. unsigned int local_state;
  2566. #ifdef STATE_CHECK_DEBUG
  2567. unsigned int reg_state;
  2568. #endif
  2569. #ifdef PLL_CLK_LINK
  2570. int err;
  2571. #endif
  2572. #ifdef CLK_LOG
  2573. clk_info
  2574. ("[%s]: Start. grp->name=%s, grp->state=0x%x, clk->mask=0x%x, clk->cnt=%d, clk->state=%d\n",
  2575. __func__, grp->name, grp->state, clk->mask, clk->cnt, clk->state);
  2576. #endif
  2577. if (!clk->cnt) {
  2578. clk_info
  2579. ("[%s]: grp->name=%s, grp->state=0x%x, clk->mask=0x%x, clk->cnt=%d, clk->state=%d\n",
  2580. __func__, grp->name, grp->state, clk->mask, clk->cnt, clk->state);
  2581. #ifdef CONFIG_CLKMGR_STAT
  2582. clk_stat_bug();
  2583. #endif
  2584. }
  2585. BUG_ON(!clk->cnt);
  2586. clk->cnt--;
  2587. #ifdef CLK_LOG
  2588. clk_info
  2589. ("[%s]: Start. grp->name=%s, grp->state=0x%x, clk->mask=0x%x, clk->cnt=%d, clk->state=%d\n",
  2590. __func__, grp->name, grp->state, clk->mask, clk->cnt, clk->state);
  2591. #endif
  2592. if (clk->cnt > 0)
  2593. return 0;
  2594. local_state = clk->state;
  2595. #ifdef STATE_CHECK_DEBUG
  2596. reg_state = grp->ops->get_state(grp, clk);
  2597. /* BUG_ON(local_state != reg_state); */
  2598. #endif
  2599. if (local_state == PWR_DOWN)
  2600. return 0;
  2601. if (clk->force_on)
  2602. return 0;
  2603. clk->ops->disable(clk);
  2604. clk->state = PWR_DOWN;
  2605. grp->state &= ~(clk->mask);
  2606. /* if (clk->parent) { */
  2607. /* clk_disable_internal(clk->parent, "clk"); */
  2608. /* } */
  2609. #ifdef PLL_CLK_LINK
  2610. err = power_finish_locked(grp);
  2611. BUG_ON(err);
  2612. if (clk->mux)
  2613. mux_disable_internal(clk->mux, "clk");
  2614. #endif
  2615. #ifdef CLK_LOG
  2616. clk_info
  2617. ("[%s]: End. grp->name=%s, grp->state=0x%x, clk->mask=0x%x, clk->cnt=%d, clk->state=%d\n",
  2618. __func__, grp->name, grp->state, clk->mask, clk->cnt, clk->state);
  2619. #endif
  2620. return 0;
  2621. }
  2622. static int get_clk_state_locked(struct cg_clk *clk)
  2623. {
  2624. if (likely(initialized))
  2625. return clk->state;
  2626. else
  2627. return clk->ops->get_state(clk);
  2628. }
  2629. int mt_enable_clock(int id, char *name)
  2630. {
  2631. int err;
  2632. unsigned long flags;
  2633. struct cg_clk *clk = id_to_clk(id);
  2634. #ifdef Bring_Up
  2635. return 0;
  2636. #endif
  2637. BUG_ON(!initialized);
  2638. BUG_ON(!clk);
  2639. BUG_ON(!clk->grp);
  2640. BUG_ON(!clk->ops->check_validity(clk));
  2641. BUG_ON(!name);
  2642. #ifdef CLK_LOG_TOP
  2643. clk_info("[%s]: id=%d, names=%s\n", __func__, id, name);
  2644. #else
  2645. /*
  2646. if ((id == MT_CG_DISP0_SMI_COMMON))
  2647. clk_dbg("[%s]: id=%d, names=%s\n", __func__, id, name);
  2648. */
  2649. #endif
  2650. clkmgr_lock(flags);
  2651. err = clk_enable_internal(clk, name);
  2652. clkmgr_unlock(flags);
  2653. return err;
  2654. }
  2655. EXPORT_SYMBOL(mt_enable_clock);
  2656. int mt_disable_clock(int id, char *name)
  2657. {
  2658. int err;
  2659. unsigned long flags;
  2660. struct cg_clk *clk = id_to_clk(id);
  2661. #ifdef Bring_Up
  2662. return 0;
  2663. #endif
  2664. BUG_ON(!initialized);
  2665. BUG_ON(!clk);
  2666. BUG_ON(!clk->grp);
  2667. BUG_ON(!clk->ops->check_validity(clk));
  2668. BUG_ON(!name);
  2669. #ifdef CLK_LOG_TOP
  2670. clk_info("[%s]: id=%d, names=%s\n", __func__, id, name);
  2671. #else
  2672. /*
  2673. if (id == MT_CG_DISP0_SMI_COMMON)
  2674. clk_dbg("[%s]: id=%d, names=%s\n", __func__, id, name);
  2675. */
  2676. #endif
  2677. clkmgr_lock(flags);
  2678. err = clk_disable_internal(clk, name);
  2679. clkmgr_unlock(flags);
  2680. return err;
  2681. }
  2682. EXPORT_SYMBOL(mt_disable_clock);
  2683. int enable_clock_ext_locked(int id, char *name)
  2684. {
  2685. int err;
  2686. struct cg_clk *clk = id_to_clk(id);
  2687. #ifdef Bring_Up
  2688. return 0;
  2689. #endif
  2690. BUG_ON(!initialized);
  2691. BUG_ON(!clk);
  2692. BUG_ON(!clk->grp);
  2693. BUG_ON(!clk->ops->check_validity(clk));
  2694. BUG_ON(!clkmgr_locked());
  2695. err = clk_enable_internal(clk, name);
  2696. return err;
  2697. }
  2698. EXPORT_SYMBOL(enable_clock_ext_locked);
  2699. int disable_clock_ext_locked(int id, char *name)
  2700. {
  2701. int err;
  2702. struct cg_clk *clk = id_to_clk(id);
  2703. #ifdef Bring_Up
  2704. return 0;
  2705. #endif
  2706. BUG_ON(!initialized);
  2707. BUG_ON(!clk);
  2708. BUG_ON(!clk->grp);
  2709. BUG_ON(!clk->ops->check_validity(clk));
  2710. BUG_ON(!clkmgr_locked());
  2711. err = clk_disable_internal(clk, name);
  2712. return err;
  2713. }
  2714. EXPORT_SYMBOL(disable_clock_ext_locked);
  2715. int clock_is_on(int id)
  2716. {
  2717. int state;
  2718. unsigned long flags;
  2719. struct cg_clk *clk = id_to_clk(id);
  2720. #ifdef Bring_Up
  2721. return 1;
  2722. #endif
  2723. BUG_ON(!clk);
  2724. BUG_ON(!clk->grp);
  2725. BUG_ON(!clk->ops->check_validity(clk));
  2726. clkmgr_lock(flags);
  2727. state = get_clk_state_locked(clk);
  2728. clkmgr_unlock(flags);
  2729. return state;
  2730. }
  2731. EXPORT_SYMBOL(clock_is_on);
  2732. static void clk_set_force_on_locked(struct cg_clk *clk)
  2733. {
  2734. clk->force_on = 1;
  2735. }
  2736. static void clk_clr_force_on_locked(struct cg_clk *clk)
  2737. {
  2738. clk->force_on = 0;
  2739. }
  2740. void clk_set_force_on(int id)
  2741. {
  2742. unsigned long flags;
  2743. struct cg_clk *clk = id_to_clk(id);
  2744. #ifdef Bring_Up
  2745. return;
  2746. #endif
  2747. BUG_ON(!initialized);
  2748. BUG_ON(!clk);
  2749. BUG_ON(!clk->grp);
  2750. BUG_ON(!clk->ops->check_validity(clk));
  2751. clkmgr_lock(flags);
  2752. clk_set_force_on_locked(clk);
  2753. clkmgr_unlock(flags);
  2754. }
  2755. EXPORT_SYMBOL(clk_set_force_on);
  2756. void clk_clr_force_on(int id)
  2757. {
  2758. unsigned long flags;
  2759. struct cg_clk *clk = id_to_clk(id);
  2760. #ifdef Bring_Up
  2761. return;
  2762. #endif
  2763. BUG_ON(!initialized);
  2764. BUG_ON(!clk);
  2765. BUG_ON(!clk->grp);
  2766. BUG_ON(!clk->ops->check_validity(clk));
  2767. clkmgr_lock(flags);
  2768. clk_clr_force_on_locked(clk);
  2769. clkmgr_unlock(flags);
  2770. }
  2771. EXPORT_SYMBOL(clk_clr_force_on);
  2772. int clk_is_force_on(int id)
  2773. {
  2774. struct cg_clk *clk = id_to_clk(id);
  2775. #ifdef Bring_Up
  2776. return 0;
  2777. #endif
  2778. BUG_ON(!initialized);
  2779. BUG_ON(!clk);
  2780. BUG_ON(!clk->grp);
  2781. BUG_ON(!clk->ops->check_validity(clk));
  2782. return clk->force_on;
  2783. }
  2784. int grp_dump_regs(int id, unsigned int *ptr)
  2785. {
  2786. struct cg_grp *grp = id_to_grp(id);
  2787. #ifdef Bring_Up
  2788. return 0;
  2789. #endif
  2790. /* BUG_ON(!initialized); */
  2791. BUG_ON(!grp);
  2792. return grp->ops->dump_regs(grp, ptr);
  2793. }
  2794. EXPORT_SYMBOL(grp_dump_regs);
  2795. const char *grp_get_name(int id)
  2796. {
  2797. struct cg_grp *grp = id_to_grp(id);
  2798. #ifdef Bring_Up
  2799. return 0;
  2800. #endif
  2801. /* BUG_ON(!initialized); */
  2802. BUG_ON(!grp);
  2803. return grp->name;
  2804. }
  2805. void print_grp_regs(void)
  2806. {
  2807. int i;
  2808. int cnt;
  2809. unsigned int value[3] = {
  2810. 0, 0, 0};
  2811. const char *name;
  2812. for (i = 0; i < NR_GRPS; i++) {
  2813. name = grp_get_name(i);
  2814. cnt = grp_dump_regs(i, value);
  2815. if (cnt == 1) {
  2816. clk_info("[%02d][%-8s]=[0x%08x]\n", i, name, value[0]);
  2817. } else if (cnt == 2) {
  2818. clk_info("[%02d][%-8s]=[0x%08x][0x%08x]\n", i, name, value[0], value[1]);
  2819. } else {
  2820. clk_info("[%02d][%-8s]=[0x%08x][0x%08x][0x%08x]\n", i, name, value[0],
  2821. value[1], value[2]);
  2822. }
  2823. }
  2824. }
  2825. /************************************************
  2826. ********** initialization **********
  2827. ************************************************/
  2828. #if 0
  2829. static void subsys_all_force_on(void)
  2830. {
  2831. if (test_spm_gpu_power_on())
  2832. spm_mtcmos_ctrl_mfg(STA_POWER_ON);
  2833. else
  2834. clk_warn("[%s]: not force to turn on MFG\n", __func__);
  2835. spm_mtcmos_ctrl_vdec(STA_POWER_ON);
  2836. spm_mtcmos_ctrl_venc(STA_POWER_ON);
  2837. }
  2838. #endif
  2839. #define INFRA_CG 0xFFFFFFFF
  2840. #define PERI_CG 0xFFFFFFFF
  2841. #define AUD_CG 0x0F0C0344
  2842. #define MFG_CG 0x00000001
  2843. #define DISP0_CG 0xFFFFFFFF
  2844. #define DISP1_CG 0x0000003F
  2845. #define IMG_CG 0x00000FE1
  2846. #define VDEC_CG 0x00000001
  2847. #define LARB_CG 0x00000001
  2848. #define VENC_CG 0x00001111
  2849. static void cg_all_force_on(void)
  2850. {
  2851. /* INFRA CG */
  2852. clk_writel(INFRA_PDN_CLR0, INFRA_CG);
  2853. clk_writel(PERI_PDN_CLR0, PERI_CG);
  2854. /* AUDIO */
  2855. /* clk_clrl(AUDIO_TOP_CON0, AUD_CG); */
  2856. /* MFG */
  2857. clk_writel(MFG_CG_CLR, MFG_CG);
  2858. /* DISP */
  2859. /* clk_writel(MMSYS_DUMMY, 0); */
  2860. /* ISP */
  2861. /* clk_writel(IMG_CG_CLR, IMG_CG); */
  2862. /* VDE */
  2863. /* clk_writel(VDEC_CKEN_SET, VDEC_CG); */
  2864. /* clk_writel(LARB_CKEN_SET, LARB_CG); */
  2865. /* VENC */
  2866. /* clk_writel(VENC_CG_SET, VENC_CG); */
  2867. }
  2868. static void cg_bootup_pdn(void)
  2869. {
  2870. #if 0
  2871. /* AUDIO */
  2872. clk_writel(AUDIO_TOP_CON0, AUD_CG);
  2873. /* INFRA CG */
  2874. clk_writel(INFRA_PDN_SET0, 0x008a);
  2875. clk_writel(PERI_PDN_SET0, 0x3fc1fffc);
  2876. /* MFG */
  2877. clk_writel(MFG_CG_SET, MFG_CG);
  2878. /* DISP */
  2879. /* clk_writel(DISP_CG_SET0, 0xff9ffffc); //DCM enable */
  2880. /* clk_writel(DISP_CG_SET1, 0x0000003F); // */
  2881. /* ISP */
  2882. clk_writel(IMG_CG_SET, IMG_CG);
  2883. /* VDE */
  2884. clk_writel(VDEC_CKEN_CLR, VDEC_CG);
  2885. clk_writel(LARB_CKEN_CLR, LARB_CG);
  2886. /* VENC */
  2887. clk_clrl(VENC_CG_CON, VENC_CG);
  2888. #endif
  2889. }
  2890. static void mt_subsys_init(void)
  2891. {
  2892. int i;
  2893. struct subsys *sys;
  2894. /* **** */
  2895. /*
  2896. syss[SYS_MD1].ctl_addr = SPM_MD_PWR_CON;
  2897. syss[SYS_CONN].ctl_addr = SPM_CONN_PWR_CON;
  2898. syss[SYS_DIS].ctl_addr = SPM_DIS_PWR_CON;
  2899. syss[SYS_MFG].ctl_addr = SPM_MFG_PWR_CON;
  2900. syss[SYS_ISP].ctl_addr = SPM_ISP_PWR_CON;
  2901. syss[SYS_VDE].ctl_addr = SPM_VDE_PWR_CON;
  2902. syss[SYS_VEN].ctl_addr = SPM_VEN_PWR_CON;
  2903. syss[SYS_MD2].ctl_addr = SPM_MD2_PWR_CON;
  2904. */
  2905. for (i = 0; i < NR_SYSS; i++) {
  2906. sys = &syss[i];
  2907. sys->state = sys->ops->get_state(sys);
  2908. if (sys->state != sys->default_sta) {
  2909. clk_info("[%s]%s, change state: (%u->%u)\n", __func__,
  2910. sys->name, sys->state, sys->default_sta);
  2911. if (sys->default_sta == PWR_DOWN)
  2912. sys_disable_locked(sys, 1);
  2913. else
  2914. sys_enable_locked(sys);
  2915. }
  2916. #ifdef CONFIG_CLKMGR_STAT
  2917. INIT_LIST_HEAD(&sys->head);
  2918. #endif
  2919. }
  2920. }
  2921. static void mt_plls_init(void)
  2922. {
  2923. int i;
  2924. struct pll *pll;
  2925. plls[ARMPLL].base_addr = ARMPLL_CON0;
  2926. plls[ARMPLL].pwr_addr = ARMPLL_PWR_CON0;
  2927. plls[MAINPLL].base_addr = MAINPLL_CON0;
  2928. plls[MAINPLL].pwr_addr = MAINPLL_PWR_CON0;
  2929. plls[MSDCPLL].base_addr = MSDCPLL_CON0;
  2930. plls[MSDCPLL].pwr_addr = MSDCPLL_PWR_CON0;
  2931. plls[UNIVPLL].base_addr = UNIVPLL_CON0;
  2932. plls[UNIVPLL].pwr_addr = UNIVPLL_PWR_CON0;
  2933. plls[MMPLL].base_addr = MMPLL_CON0;
  2934. plls[MMPLL].pwr_addr = MMPLL_PWR_CON0;
  2935. plls[VENCPLL].base_addr = VENCPLL_CON0;
  2936. plls[VENCPLL].pwr_addr = VENCPLL_PWR_CON0;
  2937. plls[TVDPLL].base_addr = TVDPLL_CON0;
  2938. plls[TVDPLL].pwr_addr = TVDPLL_PWR_CON0;
  2939. plls[APLL1].base_addr = APLL1_CON0;
  2940. plls[APLL1].pwr_addr = APLL1_PWR_CON0;
  2941. plls[APLL2].base_addr = APLL2_CON0;
  2942. plls[APLL2].pwr_addr = APLL2_PWR_CON0;
  2943. for (i = 0; i < NR_PLLS; i++) {
  2944. pll = &plls[i];
  2945. pll->state = pll->ops->get_state(pll);
  2946. /* clk_info("[%s]: pll->name=%s, pll->state=%d\n", __func__, pll->name, pll->state); */
  2947. #ifdef CONFIG_CLKMGR_STAT
  2948. INIT_LIST_HEAD(&pll->head);
  2949. #endif
  2950. }
  2951. plls[MMPLL].cnt = 1;
  2952. plls[VENCPLL].cnt = 1;
  2953. /* plls[UNIVPLL].cnt = 1; */
  2954. }
  2955. /*
  2956. static void mt_plls_enable_hp(void)
  2957. {
  2958. int i;
  2959. struct pll *pll;
  2960. for (i = 0; i < NR_PLLS; i++) {
  2961. pll = &plls[i];
  2962. if (pll->ops->hp_enable) {
  2963. pll->ops->hp_enable(pll);
  2964. }
  2965. }
  2966. }
  2967. */
  2968. static void mt_muxs_init(void)
  2969. {
  2970. int i;
  2971. struct clkmux *mux;
  2972. muxs[MT_MUX_MM].base_addr = CLK_CFG_0;
  2973. muxs[MT_MUX_DDRPHY].base_addr = CLK_CFG_0;
  2974. muxs[MT_MUX_MEM].base_addr = CLK_CFG_0;
  2975. muxs[MT_MUX_AXI].base_addr = CLK_CFG_0;
  2976. muxs[MT_MUX_CAMTG].base_addr = CLK_CFG_1;
  2977. muxs[MT_MUX_MFG].base_addr = CLK_CFG_1;
  2978. muxs[MT_MUX_VDEC].base_addr = CLK_CFG_1;
  2979. muxs[MT_MUX_PWM].base_addr = CLK_CFG_1;
  2980. muxs[MT_MUX_MSDC50_0].base_addr = CLK_CFG_2;
  2981. muxs[MT_MUX_USB20].base_addr = CLK_CFG_2;
  2982. muxs[MT_MUX_SPI].base_addr = CLK_CFG_2;
  2983. muxs[MT_MUX_UART].base_addr = CLK_CFG_2;
  2984. muxs[MT_MUX_MSDC30_0].base_addr = CLK_CFG_3;
  2985. muxs[MT_MUX_MSDC30_1].base_addr = CLK_CFG_3;
  2986. muxs[MT_MUX_MSDC30_2].base_addr = CLK_CFG_3;
  2987. muxs[MT_MUX_MSDC30_3].base_addr = CLK_CFG_3;
  2988. muxs[MT_MUX_SCP].base_addr = CLK_CFG_4;
  2989. muxs[MT_MUX_PMICSPI].base_addr = CLK_CFG_4;
  2990. muxs[MT_MUX_AUDINTBUS].base_addr = CLK_CFG_4;
  2991. muxs[MT_MUX_AUDIO].base_addr = CLK_CFG_4;
  2992. muxs[MT_MUX_MFG13M].base_addr = CLK_CFG_5;
  2993. muxs[MT_MUX_SCAM].base_addr = CLK_CFG_5;
  2994. muxs[MT_MUX_DPI0].base_addr = CLK_CFG_5;
  2995. muxs[MT_MUX_ATB].base_addr = CLK_CFG_5;
  2996. muxs[MT_MUX_IRTX].base_addr = CLK_CFG_6;
  2997. muxs[MT_MUX_IRDA].base_addr = CLK_CFG_6;
  2998. muxs[MT_MUX_AUD2].base_addr = CLK_CFG_6;
  2999. muxs[MT_MUX_AUD1].base_addr = CLK_CFG_6;
  3000. muxs[MT_MUX_DISPPWM].base_addr = CLK_CFG_7;
  3001. for (i = 0; i < NR_MUXS; i++) {
  3002. mux = &muxs[i];
  3003. #ifdef CONFIG_CLKMGR_STAT
  3004. INIT_LIST_HEAD(&mux->head);
  3005. #endif
  3006. }
  3007. /* muxs[MT_MUX_AUDINTBUS].cnt = 1; */
  3008. /* muxs[MT_MUX_AUDIO].cnt = 1; */
  3009. muxs[MT_MUX_MM].cnt = 1;
  3010. muxs[MT_MUX_MFG].cnt = 1;
  3011. muxs[MT_MUX_MFG13M].cnt = 1;
  3012. muxs[MT_MUX_VDEC].cnt = 1;
  3013. /* muxs[MT_MUX_MJC].cnt = 1; */
  3014. }
  3015. static void mt_clks_init(void)
  3016. {
  3017. int i, j;
  3018. struct cg_grp *grp;
  3019. struct cg_clk *clk;
  3020. clk_writel(MMSYS_DUMMY, clk_readl(DISP_CG_CON0));
  3021. grps[CG_INFRA].set_addr = INFRA_PDN_SET0;
  3022. grps[CG_INFRA].clr_addr = INFRA_PDN_CLR0;
  3023. grps[CG_INFRA].sta_addr = INFRA_PDN_STA0;
  3024. grps[CG_PERI].set_addr = PERI_PDN_SET0;
  3025. grps[CG_PERI].clr_addr = PERI_PDN_CLR0;
  3026. grps[CG_PERI].sta_addr = PERI_PDN_STA0;
  3027. grps[CG_DISP0].set_addr = DISP_CG_SET0;
  3028. grps[CG_DISP0].clr_addr = DISP_CG_CLR0;
  3029. grps[CG_DISP0].sta_addr = DISP_CG_CON0;
  3030. grps[CG_DISP0].dummy_addr = MMSYS_DUMMY;
  3031. grps[CG_DISP1].set_addr = DISP_CG_SET1;
  3032. grps[CG_DISP1].clr_addr = DISP_CG_CLR1;
  3033. grps[CG_DISP1].sta_addr = DISP_CG_CON1;
  3034. grps[CG_IMAGE].set_addr = IMG_CG_SET;
  3035. grps[CG_IMAGE].clr_addr = IMG_CG_CLR;
  3036. grps[CG_IMAGE].sta_addr = IMG_CG_CON;
  3037. grps[CG_MFG].set_addr = MFG_CG_SET;
  3038. grps[CG_MFG].clr_addr = MFG_CG_CLR;
  3039. grps[CG_MFG].sta_addr = MFG_CG_CON;
  3040. grps[CG_AUDIO].sta_addr = AUDIO_TOP_CON0;
  3041. grps[CG_VDEC0].clr_addr = VDEC_CKEN_SET;
  3042. grps[CG_VDEC0].set_addr = VDEC_CKEN_CLR;
  3043. grps[CG_VDEC1].clr_addr = LARB_CKEN_SET;
  3044. grps[CG_VDEC1].set_addr = LARB_CKEN_CLR;
  3045. grps[CG_VENC].clr_addr = VENC_CG_SET;
  3046. grps[CG_VENC].set_addr = VENC_CG_CLR;
  3047. grps[CG_VENC].sta_addr = VENC_CG_CON;
  3048. for (i = 0; i < NR_GRPS; i++) {
  3049. grp = &grps[i];
  3050. grp->state = grp->ops->get_state(grp);
  3051. /* clk_info("[%s]: grps=%d\n", __func__, i); */
  3052. for (j = 0; j < 32; j++) {
  3053. if (grp->mask & (1U << j)) {
  3054. clk = &clks[i * 32 + j];
  3055. /* clk->grp = grp; */
  3056. /* clk->cnt = 0; */
  3057. clk->mask = 1U << j;
  3058. clk->state = clk->ops->get_state(clk);
  3059. /* (grp->state & clk->mask) ? PWR_DOWN : PWR_ON; */
  3060. /* clk_info("[%s]: clk=%d, clk->state=%d\n", __func__, j, clk->state); */
  3061. #ifdef CONFIG_CLKMGR_STAT
  3062. INIT_LIST_HEAD(&clk->head);
  3063. #endif
  3064. }
  3065. }
  3066. }
  3067. clks[MT_CG_PERI_DISP_PWM].mux = &muxs[MT_MUX_DISPPWM];
  3068. clks[MT_CG_PERI_USB0].mux = &muxs[MT_MUX_USB20];
  3069. clks[MT_CG_PERI_IRDA].mux = &muxs[MT_MUX_IRDA];
  3070. clks[MT_CG_PERI_MSDC30_0].mux = &muxs[MT_MUX_MSDC30_0];
  3071. clks[MT_CG_PERI_MSDC30_1].mux = &muxs[MT_MUX_MSDC30_1];
  3072. clks[MT_CG_PERI_MSDC30_2].mux = &muxs[MT_MUX_MSDC30_2];
  3073. clks[MT_CG_PERI_MSDC30_3].mux = &muxs[MT_MUX_MSDC30_3];
  3074. clks[MT_CG_PERI_UART0].mux = &muxs[MT_MUX_UART];
  3075. clks[MT_CG_PERI_UART1].mux = &muxs[MT_MUX_UART];
  3076. clks[MT_CG_PERI_UART2].mux = &muxs[MT_MUX_UART];
  3077. clks[MT_CG_PERI_UART3].mux = &muxs[MT_MUX_UART];
  3078. clks[MT_CG_PERI_UART4].mux = &muxs[MT_MUX_UART];
  3079. clks[MT_CG_PERI_SPI0].mux = &muxs[MT_MUX_SPI];
  3080. clks[MT_CG_PERI_IRTX].mux = &muxs[MT_MUX_IRTX];
  3081. clks[MT_CG_AUDIO_AFE].mux = &muxs[MT_MUX_AUDINTBUS];
  3082. clks[MT_CG_AUDIO_I2S].mux = &muxs[MT_MUX_AUDINTBUS];
  3083. clks[MT_CG_AUDIO_22M].mux = &muxs[MT_MUX_AUDINTBUS];
  3084. clks[MT_CG_AUDIO_24M].mux = &muxs[MT_MUX_AUDINTBUS];
  3085. clks[MT_CG_AUDIO_APLL2_TUNER].mux = &muxs[MT_MUX_AUDINTBUS];
  3086. clks[MT_CG_AUDIO_APLL_TUNER].mux = &muxs[MT_MUX_AUDINTBUS];
  3087. clks[MT_CG_AUDIO_ADC].mux = &muxs[MT_MUX_AUDINTBUS];
  3088. clks[MT_CG_AUDIO_DAC].mux = &muxs[MT_MUX_AUDINTBUS];
  3089. clks[MT_CG_AUDIO_DAC_PREDIS].mux = &muxs[MT_MUX_AUDINTBUS];
  3090. clks[MT_CG_AUDIO_TML].mux = &muxs[MT_MUX_AUDINTBUS];
  3091. clks[MT_CG_INFRA_AUDIO].mux = &muxs[MT_MUX_AUDINTBUS];
  3092. clks[MT_CG_IMAGE_SEN_TG].mux = &muxs[MT_MUX_CAMTG];
  3093. clks[MT_CG_DISP1_DPI_PIXEL].mux = &muxs[MT_MUX_DPI0];
  3094. /* Don't disable these clock until it's clk_clr_force_on() is called */
  3095. clk_set_force_on_locked(&clks[MT_CG_DISP0_SMI_LARB0]);
  3096. clk_set_force_on_locked(&clks[MT_CG_DISP0_SMI_COMMON]);
  3097. }
  3098. /* #endif //#ifndef Bring_Up */
  3099. #ifdef CONFIG_OF
  3100. void iomap(void)
  3101. {
  3102. struct device_node *node;
  3103. /* apmixed */
  3104. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-apmixedsys");
  3105. if (!node)
  3106. pr_err("[CLK_APMIXED] find node failed\n");
  3107. clk_apmixed_base = of_iomap(node, 0);
  3108. if (!clk_apmixed_base)
  3109. pr_err("[CLK_APMIXED] base failed\n");
  3110. /* cksys_base */
  3111. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-topckgen");
  3112. if (!node)
  3113. pr_err("[CLK_CKSYS] find node failed\n");
  3114. clk_cksys_base = of_iomap(node, 0);
  3115. if (!clk_cksys_base)
  3116. pr_err("[CLK_CKSYS] base failed\n");
  3117. /* infracfg_ao */
  3118. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-infrasys");
  3119. if (!node)
  3120. pr_err("[CLK_INFRACFG_AO] find node failed\n");
  3121. clk_infracfg_ao_base = of_iomap(node, 0);
  3122. if (!clk_infracfg_ao_base)
  3123. pr_err("[CLK_INFRACFG_AO] base failed\n");
  3124. /* pericfg_base */
  3125. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-perisys");
  3126. if (!node)
  3127. pr_err("[PERICFG] find node failed\n");
  3128. clk_pericfg_base = of_iomap(node, 0);
  3129. if (!clk_pericfg_base)
  3130. pr_err("[PERICFG] base failed\n");
  3131. /* audio */
  3132. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-audiosys");
  3133. if (!node)
  3134. pr_err("[CLK_AUDIO] find node failed\n");
  3135. clk_audio_base = of_iomap(node, 0);
  3136. if (!clk_audio_base)
  3137. pr_err("[CLK_AUDIO] base failed\n");
  3138. /* mfgcfg */
  3139. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-mfgsys");
  3140. if (!node)
  3141. pr_err("[CLK_G3D_CONFIG] find node failed\n");
  3142. clk_mfgcfg_base = of_iomap(node, 0);
  3143. if (!clk_mfgcfg_base)
  3144. pr_err("[CLK_G3D_CONFIG] base failed\n");
  3145. /* mmsys_config */
  3146. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-mmsys");
  3147. if (!node)
  3148. pr_err("[CLK_MMSYS_CONFIG] find node failed\n");
  3149. clk_mmsys_config_base = of_iomap(node, 0);
  3150. if (!clk_mmsys_config_base)
  3151. pr_err("[CLK_MMSYS_CONFIG] base failed\n");
  3152. /* imgsys */
  3153. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-imgsys");
  3154. if (!node)
  3155. pr_err("[CLK_IMGSYS_CONFIG] find node failed\n");
  3156. clk_imgsys_base = of_iomap(node, 0);
  3157. if (!clk_imgsys_base)
  3158. pr_err("[CLK_IMGSYS_CONFIG] base failed\n");
  3159. /* vdec_gcon */
  3160. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-vdec_gcon");
  3161. if (!node)
  3162. pr_err("[CLK_VDEC_GCON] find node failed\n");
  3163. clk_vdec_gcon_base = of_iomap(node, 0);
  3164. if (!clk_vdec_gcon_base)
  3165. pr_err("[CLK_VDEC_GCON] base failed\n");
  3166. /* venc_gcon */
  3167. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-venc_gcon");
  3168. if (!node)
  3169. pr_err("[CLK_VENC_GCON] find node failed\n");
  3170. clk_venc_gcon_base = of_iomap(node, 0);
  3171. if (!clk_venc_gcon_base)
  3172. pr_err("[CLK_VENC_GCON] base failed\n");
  3173. }
  3174. #endif
  3175. int mt_clkmgr_init(void)
  3176. {
  3177. iomap();
  3178. BUG_ON(initialized);
  3179. /*
  3180. spm_mtcmos_ctrl_vdec(STA_POWER_DOWN);
  3181. spm_mtcmos_ctrl_venc(STA_POWER_DOWN);
  3182. spm_mtcmos_ctrl_isp(STA_POWER_DOWN);
  3183. spm_mtcmos_ctrl_mfg(STA_POWER_DOWN);
  3184. */
  3185. spm_mtcmos_ctrl_vdec(STA_POWER_ON);
  3186. spm_mtcmos_ctrl_venc(STA_POWER_ON);
  3187. spm_mtcmos_ctrl_isp(STA_POWER_ON);
  3188. spm_mtcmos_ctrl_mfg(STA_POWER_ON);
  3189. /* spm_mtcmos_ctrl_connsys(STA_POWER_ON); */
  3190. cg_all_force_on();
  3191. cg_bootup_pdn();
  3192. return 1;
  3193. mt_plls_init();
  3194. mt_subsys_init();
  3195. mt_muxs_init();
  3196. mt_clks_init();
  3197. initialized = 1;
  3198. /* **** */
  3199. /* mt_freqhopping_init(); */
  3200. print_grp_regs();
  3201. #ifndef CONFIG_ARCH_MT6753
  3202. pr_warn("%s: CLKMGR_INCFILE_VER=%s\n", __func__, CLKMGR_INCFILE_VER);
  3203. #endif
  3204. return 0;
  3205. }
  3206. /* **** */
  3207. /*
  3208. #ifdef CONFIG_MTK_MMC
  3209. extern void msdc_clk_status(int * status);
  3210. #else
  3211. void msdc_clk_status(int * status) { *status = 0; }
  3212. #endif
  3213. #define VEN_PWR_STA_MASK (0x1 << 8)
  3214. #define VDE_PWR_STA_MASK (0x1 << 7)
  3215. #define ISP_PWR_STA_MASK (0x1 << 5)
  3216. #define MFG_PWR_STA_MASK (0x1 << 4)
  3217. bool clkmgr_idle_can_enter(unsigned int *condition_mask, unsigned int *block_mask)
  3218. {
  3219. int i, j;
  3220. unsigned int sd_mask = 0;
  3221. unsigned int cg_mask = 0;
  3222. #ifdef PLL_CLK_LINK
  3223. unsigned int sta;
  3224. #endif
  3225. msdc_clk_status(&sd_mask);
  3226. if (sd_mask) {
  3227. block_mask[CG_PERI] |= sd_mask;
  3228. return false;
  3229. }
  3230. for (i = CG_INFRA; i < NR_GRPS; i++) {
  3231. cg_mask = grps[i].state & condition_mask[i];
  3232. if (cg_mask)
  3233. {
  3234. for (j = CG_INFRA; j < NR_GRPS; j++)
  3235. {
  3236. block_mask[j] = grps[j].state & condition_mask[j];
  3237. }
  3238. //block_mask[i] |= cg_mask;
  3239. return false;
  3240. }
  3241. }
  3242. #ifdef PLL_CLK_LINK
  3243. sta = clk_readl(SPM_PWR_STATUS);
  3244. if (sta & (MFG_PWR_STA_MASK | ISP_PWR_STA_MASK | VDE_PWR_STA_MASK | VEN_PWR_STA_MASK))
  3245. return false;
  3246. #endif
  3247. return true;
  3248. }
  3249. */
  3250. static unsigned int clk_cfg_4;
  3251. void clkmgr_faudintbus_pll2sq(void)
  3252. {
  3253. clk_cfg_4 = clk_readl(CLK_CFG_4);
  3254. clk_writel(CLK_CFG_4, clk_cfg_4 & 0xFFFFFCFF);
  3255. }
  3256. void clkmgr_faudintbus_sq2pll(void)
  3257. {
  3258. clk_writel(CLK_CFG_4, clk_cfg_4);
  3259. }
  3260. /************************************************
  3261. ********** function debug **********
  3262. ************************************************/
  3263. static int pll_test_read(struct seq_file *m, void *v)
  3264. {
  3265. int i, j;
  3266. int cnt;
  3267. unsigned int value[3];
  3268. const char *name;
  3269. seq_puts(m, "********** pll register dump **********\n");
  3270. for (i = 0; i < NR_PLLS; i++) {
  3271. name = pll_get_name(i);
  3272. cnt = pll_dump_regs(i, value);
  3273. for (j = 0; j < cnt; j++)
  3274. seq_printf(m, "[%d][%-7s reg%d]=[0x%08x]\n", i, name, j, value[j]);
  3275. }
  3276. seq_puts(m, "\n********** pll_test help **********\n");
  3277. seq_puts(m, "enable pll: echo enable id [mod_name] > /proc/clkmgr/pll_test\n");
  3278. seq_puts(m, "disable pll: echo disable id [mod_name] > /proc/clkmgr/pll_test\n");
  3279. return 0;
  3280. }
  3281. static ssize_t pll_test_write(struct file *file, const char __user *buffer,
  3282. size_t count, loff_t *data) {
  3283. char desc[32];
  3284. int len = 0;
  3285. char cmd[10];
  3286. char mod_name[10];
  3287. int id;
  3288. int err = 0;
  3289. len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
  3290. if (copy_from_user(desc, buffer, len))
  3291. return 0;
  3292. desc[len] = '\0';
  3293. if (sscanf(desc, "%9s %d %9s", cmd, &id, mod_name) == 3) {
  3294. if (!strcmp(cmd, "enable"))
  3295. err = enable_pll(id, mod_name);
  3296. else if (!strcmp(cmd, "disable"))
  3297. err = disable_pll(id, mod_name);
  3298. } else if (sscanf(desc, "%9s %d", cmd, &id) == 2) {
  3299. if (!strcmp(cmd, "enable"))
  3300. err = enable_pll(id, "pll_test");
  3301. else if (!strcmp(cmd, "disable"))
  3302. err = disable_pll(id, "pll_test");
  3303. }
  3304. clk_info("[%s]%s pll %d: result is %d\n", __func__, cmd, id, err);
  3305. return count;
  3306. }
  3307. static int pll_fsel_read(struct seq_file *m, void *v)
  3308. {
  3309. int i;
  3310. int cnt;
  3311. unsigned int value[3] = {
  3312. 0, 0, 0};
  3313. const char *name;
  3314. for (i = 0; i < NR_PLLS; i++) {
  3315. name = pll_get_name(i);
  3316. if (pll_is_on(i)) {
  3317. cnt = pll_dump_regs(i, value);
  3318. if (cnt >= 2) {
  3319. seq_printf(m, "[%d][%-7s]=[0x%08x%08x]\n", i, name, value[0],
  3320. value[1]);
  3321. } else {
  3322. seq_printf(m, "[%d][%-7s]=[0x%08x]\n", i, name, value[0]);
  3323. }
  3324. } else {
  3325. seq_printf(m, "[%d][%-7s]=[-1]\n", i, name);
  3326. }
  3327. }
  3328. seq_puts(m, "\n********** pll_fsel help **********\n");
  3329. seq_puts(m, "adjust pll frequency: echo id freq > /proc/clkmgr/pll_fsel\n");
  3330. return 0;
  3331. }
  3332. static ssize_t pll_fsel_write(struct file *file, const char __user *buffer,
  3333. size_t count, loff_t *data) {
  3334. char desc[32];
  3335. int len = 0;
  3336. int id;
  3337. unsigned int value;
  3338. len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
  3339. if (copy_from_user(desc, buffer, len))
  3340. return 0;
  3341. desc[len] = '\0';
  3342. if (sscanf(desc, "%d %x", &id, &value) == 2)
  3343. pll_fsel(id, value);
  3344. return count;
  3345. }
  3346. #ifdef CONFIG_CLKMGR_STAT
  3347. static int pll_stat_read(struct seq_file *m, void *v)
  3348. {
  3349. struct pll *pll;
  3350. struct list_head *pos;
  3351. struct stat_node *node;
  3352. int i;
  3353. seq_puts(m, "\n********** pll stat dump **********\n");
  3354. for (i = 0; i < NR_PLLS; i++) {
  3355. pll = id_to_pll(i);
  3356. seq_printf(m, "[%d][%-7s]state=%u, cnt=%u", i, pll->name, pll->state, pll->cnt);
  3357. list_for_each(pos, &pll->head) {
  3358. node = list_entry(pos, struct stat_node, link);
  3359. seq_printf(m, "\t(%s,%u,%u)", node->name, node->cnt_on, node->cnt_off);
  3360. }
  3361. seq_puts(m, "\n");
  3362. }
  3363. seq_puts(m, "\n********** pll_dump help **********\n");
  3364. return 0;
  3365. }
  3366. #endif
  3367. static int subsys_test_read(struct seq_file *m, void *v)
  3368. {
  3369. int i;
  3370. int state;
  3371. unsigned int value = 0, sta = 0, sta_s = 0;
  3372. const char *name;
  3373. /* **** */
  3374. /* sta = clk_readl(SPM_PWR_STATUS); */
  3375. /* sta_s = clk_readl(SPM_PWR_STATUS_2ND); */
  3376. seq_puts(m, "********** subsys register dump **********\n");
  3377. for (i = 0; i < NR_SYSS; i++) {
  3378. name = subsys_get_name(i);
  3379. state = subsys_is_on(i);
  3380. subsys_dump_regs(i, &value);
  3381. seq_printf(m, "[%d][%-7s]=[0x%08x], state(%u)\n", i, name, value, state);
  3382. }
  3383. seq_printf(m, "SPM_PWR_STATUS=0x%08x, SPM_PWR_STATUS_2ND=0x%08x\n", sta, sta_s);
  3384. seq_puts(m, "\n********** subsys_test help **********\n");
  3385. seq_puts(m, "enable subsys: echo enable id > /proc/clkmgr/subsys_test\n");
  3386. seq_puts(m, "disable subsys: echo disable id [force_off] > /proc/clkmgr/subsys_test\n");
  3387. return 0;
  3388. }
  3389. static ssize_t subsys_test_write(struct file *file, const char __user *buffer,
  3390. size_t count, loff_t *data) {
  3391. char desc[32];
  3392. int len = 0;
  3393. char cmd[10];
  3394. int id;
  3395. int force_off;
  3396. int err = 0;
  3397. len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
  3398. if (copy_from_user(desc, buffer, len))
  3399. return 0;
  3400. desc[len] = '\0';
  3401. if (sscanf(desc, "%9s %d %d", cmd, &id, &force_off) == 3) {
  3402. if (!strcmp(cmd, "disable"))
  3403. err = disable_subsys_force(id, "test");
  3404. } else if (sscanf(desc, "%9s %d", cmd, &id) == 2) {
  3405. if (!strcmp(cmd, "enable"))
  3406. err = enable_subsys(id, "test");
  3407. else if (!strcmp(cmd, "disable"))
  3408. err = disable_subsys(id, "test");
  3409. }
  3410. clk_info("[%s]%s subsys %d: result is %d\n", __func__, cmd, id, err);
  3411. return count;
  3412. }
  3413. #ifdef CONFIG_CLKMGR_STAT
  3414. static int subsys_stat_read(struct seq_file *m, void *v)
  3415. {
  3416. struct subsys *sys;
  3417. struct list_head *pos;
  3418. struct stat_node *node;
  3419. int i;
  3420. seq_puts(m, "\n********** subsys stat dump **********\n");
  3421. for (i = 0; i < NR_SYSS; i++) {
  3422. sys = id_to_sys(i);
  3423. seq_printf(m, "[%d][%-7s]state=%u", i, sys->name, sys->state);
  3424. list_for_each(pos, &sys->head) {
  3425. node = list_entry(pos, struct stat_node, link);
  3426. seq_printf(m, "\t(%s,%u,%u)", node->name, node->cnt_on, node->cnt_off);
  3427. }
  3428. seq_puts(m, "\n");
  3429. }
  3430. seq_puts(m, "\n********** subsys_dump help **********\n");
  3431. return 0;
  3432. }
  3433. #endif
  3434. static int mux_test_read(struct seq_file *m, void *v)
  3435. {
  3436. seq_puts(m, "********** mux register dump *********\n");
  3437. seq_printf(m, "[CLK_CFG_0]=0x%08x\n", clk_readl(CLK_CFG_0));
  3438. seq_printf(m, "[CLK_CFG_1]=0x%08x\n", clk_readl(CLK_CFG_1));
  3439. seq_printf(m, "[CLK_CFG_2]=0x%08x\n", clk_readl(CLK_CFG_2));
  3440. seq_printf(m, "[CLK_CFG_3]=0x%08x\n", clk_readl(CLK_CFG_3));
  3441. seq_printf(m, "[CLK_CFG_4]=0x%08x\n", clk_readl(CLK_CFG_4));
  3442. seq_printf(m, "[CLK_CFG_5]=0x%08x\n", clk_readl(CLK_CFG_5));
  3443. seq_printf(m, "[CLK_CFG_6]=0x%08x\n", clk_readl(CLK_CFG_6));
  3444. seq_printf(m, "[CLK_CFG_7]=0x%08x\n", clk_readl(CLK_CFG_7));
  3445. seq_puts(m, "\n********** mux_test help *********\n");
  3446. return 0;
  3447. }
  3448. #ifdef CONFIG_CLKMGR_STAT
  3449. static int mux_stat_read(struct seq_file *m, void *v)
  3450. {
  3451. struct clkmux *mux;
  3452. struct list_head *pos;
  3453. struct stat_node *node;
  3454. int i;
  3455. seq_puts(m, "********** mux stat dump **********\n");
  3456. for (i = 0; i < NR_MUXS; i++) {
  3457. mux = id_to_mux(i);
  3458. #if 0
  3459. seq_printf(m, "[%02d][%-14s]state=%u, cnt=%u", i, mux->name, mux->state, mux->cnt);
  3460. #else
  3461. seq_printf(m, "[%02d][%-14s]cnt=%u", i, mux->name, mux->cnt);
  3462. #endif
  3463. list_for_each(pos, &mux->head) {
  3464. node = list_entry(pos, struct stat_node, link);
  3465. seq_printf(m, "\t(%s,%u,%u)", node->name, node->cnt_on, node->cnt_off);
  3466. }
  3467. seq_puts(m, "\n");
  3468. }
  3469. seq_puts(m, "\n********** mux_dump help **********\n");
  3470. return 0;
  3471. }
  3472. #endif
  3473. static int clk_test_read(struct seq_file *m, void *v)
  3474. {
  3475. int i;
  3476. int cnt;
  3477. unsigned int value[3];
  3478. const char *name;
  3479. seq_puts(m, "********** clk register dump **********\n");
  3480. for (i = 0; i < NR_GRPS; i++) {
  3481. name = grp_get_name(i);
  3482. cnt = grp_dump_regs(i, value);
  3483. if (cnt == 1) {
  3484. seq_printf(m, "[%02d][%-8s]=[0x%08x]\n", i, name, value[0]);
  3485. } else if (cnt == 2) {
  3486. seq_printf(m, "[%02d][%-8s]=[0x%08x][0x%08x]\n", i, name, value[0],
  3487. value[1]);
  3488. } else {
  3489. seq_printf(m, "[%02d][%-8s]=[0x%08x][0x%08x][0x%08x]\n", i, name, value[0],
  3490. value[1], value[2]);
  3491. }
  3492. }
  3493. seq_puts(m, "\n********** clk_test help **********\n");
  3494. seq_puts(m, "enable clk: echo enable id [mod_name] > /proc/clkmgr/clk_test\n");
  3495. seq_puts(m, "disable clk: echo disable id [mod_name] > /proc/clkmgr/clk_test\n");
  3496. seq_puts(m, "read state: echo id > /proc/clkmgr/clk_test\n");
  3497. return 0;
  3498. }
  3499. static ssize_t clk_test_write(struct file *file, const char __user *buffer,
  3500. size_t count, loff_t *data) {
  3501. char desc[32];
  3502. int len = 0;
  3503. char cmd[10];
  3504. char mod_name[10];
  3505. int id;
  3506. int err;
  3507. len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
  3508. if (copy_from_user(desc, buffer, len))
  3509. return 0;
  3510. desc[len] = '\0';
  3511. if (sscanf(desc, "%9s %d %9s", cmd, &id, mod_name) == 3) {
  3512. if (!strcmp(cmd, "enable"))
  3513. err = enable_clock(id, mod_name);
  3514. else if (!strcmp(cmd, "disable"))
  3515. err = disable_clock(id, mod_name);
  3516. } else if (sscanf(desc, "%9s %d", cmd, &id) == 2) {
  3517. if (!strcmp(cmd, "enable"))
  3518. err = enable_clock(id, "pll_test");
  3519. else if (!strcmp(cmd, "disable"))
  3520. err = disable_clock(id, "pll_test");
  3521. }
  3522. /* clk_info("[%s]%s clock %d: result is %d\n", __func__, cmd, id, err); */
  3523. return count;
  3524. }
  3525. #ifdef CONFIG_CLKMGR_STAT
  3526. static int clk_stat_read(struct seq_file *m, void *v)
  3527. {
  3528. struct cg_clk *clk;
  3529. struct list_head *pos;
  3530. struct stat_node *node;
  3531. int i, grp, offset;
  3532. int skip;
  3533. seq_puts(m, "\n********** clk stat dump **********\n");
  3534. for (i = 0; i < NR_CLKS; i++) {
  3535. grp = i / 32;
  3536. offset = i % 32;
  3537. if (offset == 0)
  3538. seq_printf(m, "\n*****[%02d][%-8s]*****\n", grp, grp_get_name(grp));
  3539. clk = id_to_clk(i);
  3540. if (!clk || !clk->grp || !clk->ops->check_validity(clk))
  3541. continue;
  3542. skip = (clk->cnt == 0) && (clk->state == 0) && list_empty(&clk->head);
  3543. if (skip)
  3544. continue;
  3545. seq_printf(m, "[%02d]state=%u, cnt=%u", offset, clk->state, clk->cnt);
  3546. list_for_each(pos, &clk->head) {
  3547. node = list_entry(pos, struct stat_node, link);
  3548. seq_printf(m, "\t(%s,%u,%u)", node->name, node->cnt_on, node->cnt_off);
  3549. }
  3550. seq_puts(m, "\n");
  3551. }
  3552. seq_puts(m, "\n********** clk_dump help **********\n");
  3553. return 0;
  3554. }
  3555. void clk_stat_check(int id)
  3556. {
  3557. struct cg_clk *clk;
  3558. struct list_head *pos;
  3559. struct stat_node *node;
  3560. int i, j, grp, offset;
  3561. int skip;
  3562. if (id == SYS_DIS) {
  3563. for (i = CG_DISP0_FROM; i <= CG_DISP0_TO; i++) {
  3564. grp = i / 32;
  3565. offset = i % 32;
  3566. clk = id_to_clk(i);
  3567. if (!clk || !clk->grp || !clk->ops->check_validity(clk))
  3568. continue;
  3569. skip = (clk->cnt == 0) && (clk->state == 0) && list_empty(&clk->head);
  3570. if (skip)
  3571. continue;
  3572. pr_err(" [%02d]state=%u, cnt=%u", offset, clk->state, clk->cnt);
  3573. j = 0;
  3574. list_for_each(pos, &clk->head) {
  3575. node = list_entry(pos, struct stat_node, link);
  3576. pr_err(" (%s,%u,%u)", node->name, node->cnt_on, node->cnt_off);
  3577. if (++j % 3 == 0)
  3578. pr_err("\n \t\t\t\t ");
  3579. }
  3580. pr_err("\n");
  3581. }
  3582. }
  3583. }
  3584. EXPORT_SYMBOL(clk_stat_check);
  3585. static void clk_stat_bug(void)
  3586. {
  3587. struct cg_clk *clk;
  3588. struct list_head *pos;
  3589. struct stat_node *node;
  3590. int i, j, grp, offset;
  3591. int skip;
  3592. for (i = 0; i < NR_CLKS; i++) {
  3593. grp = i / 32;
  3594. offset = i % 32;
  3595. if (offset == 0)
  3596. pr_err("\n*****[%02d][%-8s]*****\n", grp, grp_get_name(grp));
  3597. clk = id_to_clk(i);
  3598. if (!clk || !clk->grp || !clk->ops->check_validity(clk))
  3599. continue;
  3600. skip = (clk->cnt == 0) && (clk->state == 0) && list_empty(&clk->head);
  3601. if (skip)
  3602. continue;
  3603. pr_err(" [%02d]state=%u, cnt=%u", offset, clk->state, clk->cnt);
  3604. j = 0;
  3605. list_for_each(pos, &clk->head) {
  3606. node = list_entry(pos, struct stat_node, link);
  3607. pr_err(" (%s,%u,%u)", node->name, node->cnt_on, node->cnt_off);
  3608. if (++j % 3 == 0)
  3609. pr_err("\n \t\t\t\t ");
  3610. }
  3611. pr_err("\n");
  3612. }
  3613. }
  3614. #endif
  3615. void slp_check_pm_mtcmos_pll(void)
  3616. {
  3617. int i;
  3618. slp_chk_mtcmos_pll_stat = 1;
  3619. clk_info("[%s]\n", __func__);
  3620. for (i = 3; i < NR_PLLS; i++) {
  3621. if (i == 8)
  3622. continue;
  3623. if (pll_is_on(i)) {
  3624. slp_chk_mtcmos_pll_stat = -1;
  3625. clk_info("%s: on\n", plls[i].name);
  3626. clk_info("suspend warning: %s is on!!!\n", plls[i].name);
  3627. clk_info("warning! warning! warning! it may cause resume fail\n");
  3628. }
  3629. }
  3630. for (i = 0; i < NR_SYSS; i++) {
  3631. if (subsys_is_on(i)) {
  3632. clk_info("%s: on\n", syss[i].name);
  3633. if (i > SYS_CONN) {
  3634. /* aee_kernel_warning("Suspend Warning","%s is on", subsyss[i].name); */
  3635. slp_chk_mtcmos_pll_stat = -1;
  3636. clk_info("suspend warning: %s is on!!!\n", syss[i].name);
  3637. clk_info("warning! warning! warning! it may cause resume fail\n");
  3638. #ifdef CONFIG_CLKMGR_STAT
  3639. clk_stat_bug();
  3640. #endif
  3641. }
  3642. }
  3643. }
  3644. }
  3645. EXPORT_SYMBOL(slp_check_pm_mtcmos_pll);
  3646. static int clk_force_on_read(struct seq_file *m, void *v)
  3647. {
  3648. int i;
  3649. struct cg_clk *clk;
  3650. seq_puts(m, "********** clk force on info dump **********\n");
  3651. for (i = 0; i < NR_CLKS; i++) {
  3652. clk = &clks[i];
  3653. if (clk->force_on) {
  3654. seq_printf(m, "clock %d (0x%08x @ %s) is force on\n", i,
  3655. clk->mask, clk->grp->name);
  3656. }
  3657. }
  3658. seq_puts(m, "\n********** clk_force_on help **********\n");
  3659. seq_puts(m, "set clk force on: echo set id > /proc/clkmgr/clk_force_on\n");
  3660. seq_puts(m, "clr clk force on: echo clr id > /proc/clkmgr/clk_force_on\n");
  3661. return 0;
  3662. }
  3663. static ssize_t clk_force_on_write(struct file *file, const char __user *buffer,
  3664. size_t count, loff_t *data) {
  3665. char desc[32];
  3666. int len = 0;
  3667. char cmd[10];
  3668. int id;
  3669. len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
  3670. if (copy_from_user(desc, buffer, len))
  3671. return 0;
  3672. desc[len] = '\0';
  3673. if (sscanf(desc, "%9s %d", cmd, &id) == 2) {
  3674. if (!strcmp(cmd, "set"))
  3675. clk_set_force_on(id);
  3676. else if (!strcmp(cmd, "clr"))
  3677. clk_clr_force_on(id);
  3678. }
  3679. return count;
  3680. }
  3681. static int slp_chk_mtcmos_pll_stat_read(struct seq_file *m, void *v)
  3682. {
  3683. seq_printf(m, "%d\n", slp_chk_mtcmos_pll_stat);
  3684. return 0;
  3685. }
  3686. static int armpll_ckdiv_read(struct seq_file *m, void *v)
  3687. {
  3688. seq_printf(m, "TOP_CKDIV1 = 0x%x\n", clk_readl(TOP_CKDIV1));
  3689. return 0;
  3690. }
  3691. static ssize_t armpll_ckdiv_write(struct file *file, const char __user *buffer,
  3692. size_t count, loff_t *data)
  3693. {
  3694. char desc[32];
  3695. int len = 0;
  3696. /* char cmd[10]; */
  3697. int id;
  3698. len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
  3699. if (copy_from_user(desc, buffer, len))
  3700. return 0;
  3701. desc[len] = '\0';
  3702. /* if (sscanf(desc, "%d", &id) == 1) */
  3703. if (kstrtoint(desc, 10, &id) == 0)
  3704. clk_writel(TOP_CKDIV1, id); /* CPU clock divide */
  3705. return count;
  3706. }
  3707. /* for pll_test */
  3708. static int proc_pll_test_open(struct inode *inode, struct file *file)
  3709. {
  3710. return single_open(file, pll_test_read, NULL);
  3711. }
  3712. static const struct file_operations pll_test_proc_fops = {
  3713. .owner = THIS_MODULE,
  3714. .open = proc_pll_test_open,
  3715. .read = seq_read,
  3716. .write = pll_test_write,
  3717. };
  3718. /* for pll_fsel */
  3719. static int proc_pll_fsel_open(struct inode *inode, struct file *file)
  3720. {
  3721. return single_open(file, pll_fsel_read, NULL);
  3722. }
  3723. static const struct file_operations pll_fsel_proc_fops = {
  3724. .owner = THIS_MODULE,
  3725. .open = proc_pll_fsel_open,
  3726. .read = seq_read,
  3727. .write = pll_fsel_write,
  3728. };
  3729. #ifdef CONFIG_CLKMGR_STAT
  3730. /* for pll_stat */
  3731. static int proc_pll_stat_open(struct inode *inode, struct file *file)
  3732. {
  3733. return single_open(file, pll_stat_read, NULL);
  3734. }
  3735. static const struct file_operations pll_stat_proc_fops = {
  3736. .owner = THIS_MODULE,
  3737. .open = proc_pll_stat_open,
  3738. .read = seq_read,
  3739. };
  3740. #endif
  3741. /* for subsys_test */
  3742. static int proc_subsys_test_open(struct inode *inode, struct file *file)
  3743. {
  3744. return single_open(file, subsys_test_read, NULL);
  3745. }
  3746. static const struct file_operations subsys_test_proc_fops = {
  3747. .owner = THIS_MODULE,
  3748. .open = proc_subsys_test_open,
  3749. .read = seq_read,
  3750. .write = subsys_test_write
  3751. };
  3752. #ifdef CONFIG_CLKMGR_STAT
  3753. /* for subsys_stat */
  3754. static int proc_subsys_stat_open(struct inode *inode, struct file *file)
  3755. {
  3756. return single_open(file, subsys_stat_read, NULL);
  3757. }
  3758. static const struct file_operations subsys_stat_proc_fops = {
  3759. .owner = THIS_MODULE,
  3760. .open = proc_subsys_stat_open,
  3761. .read = seq_read,
  3762. };
  3763. #endif
  3764. /* for mux_test */
  3765. static int proc_mux_test_open(struct inode *inode, struct file *file)
  3766. {
  3767. return single_open(file, mux_test_read, NULL);
  3768. }
  3769. static const struct file_operations mux_test_proc_fops = {
  3770. .owner = THIS_MODULE,
  3771. .open = proc_mux_test_open,
  3772. .read = seq_read,
  3773. };
  3774. #ifdef CONFIG_CLKMGR_STAT
  3775. /* for mux_stat */
  3776. static int proc_mux_stat_open(struct inode *inode, struct file *file)
  3777. {
  3778. return single_open(file, mux_stat_read, NULL);
  3779. }
  3780. static const struct file_operations mux_stat_proc_fops = {
  3781. .owner = THIS_MODULE,
  3782. .open = proc_mux_stat_open,
  3783. .read = seq_read,
  3784. };
  3785. #endif
  3786. /* for clk_test */
  3787. static int proc_clk_test_open(struct inode *inode, struct file *file)
  3788. {
  3789. return single_open(file, clk_test_read, NULL);
  3790. }
  3791. static const struct file_operations clk_test_proc_fops = {
  3792. .owner = THIS_MODULE,
  3793. .open = proc_clk_test_open,
  3794. .read = seq_read,
  3795. .write = clk_test_write,
  3796. };
  3797. #ifdef CONFIG_CLKMGR_STAT
  3798. /* for clk_stat */
  3799. static int proc_clk_stat_open(struct inode *inode, struct file *file)
  3800. {
  3801. return single_open(file, clk_stat_read, NULL);
  3802. }
  3803. static const struct file_operations clk_stat_proc_fops = {
  3804. .owner = THIS_MODULE,
  3805. .open = proc_clk_stat_open,
  3806. .read = seq_read,
  3807. };
  3808. #endif
  3809. /* for clk_force_on */
  3810. static int proc_clk_force_on_open(struct inode *inode, struct file *file)
  3811. {
  3812. return single_open(file, clk_force_on_read, NULL);
  3813. }
  3814. static const struct file_operations clk_force_on_proc_fops = {
  3815. .owner = THIS_MODULE,
  3816. .open = proc_clk_force_on_open,
  3817. .read = seq_read,
  3818. .write = clk_force_on_write,
  3819. };
  3820. /* for slp_check_pm_mtcmos_pll */
  3821. static int proc_slp_chk_mtcmos_pll_stat_open(struct inode *inode, struct file *file)
  3822. {
  3823. return single_open(file, slp_chk_mtcmos_pll_stat_read, NULL);
  3824. }
  3825. static const struct file_operations slp_chk_mtcmos_pll_stat_proc_fops = {
  3826. .owner = THIS_MODULE,
  3827. .open = proc_slp_chk_mtcmos_pll_stat_open,
  3828. .read = seq_read,
  3829. };
  3830. /* for armpll_ckdiv */
  3831. static int proc_armpll_ckdiv_open(struct inode *inode, struct file *file)
  3832. {
  3833. return single_open(file, armpll_ckdiv_read, NULL);
  3834. }
  3835. static const struct file_operations armpll_ckdiv_proc_fops = {
  3836. .owner = THIS_MODULE,
  3837. .open = proc_armpll_ckdiv_open,
  3838. .read = seq_read,
  3839. .write = armpll_ckdiv_write,
  3840. };
  3841. void mt_clkmgr_debug_init(void)
  3842. {
  3843. /* use proc_create */
  3844. struct proc_dir_entry *entry;
  3845. struct proc_dir_entry *clkmgr_dir;
  3846. clkmgr_dir = proc_mkdir("clkmgr", NULL);
  3847. if (!clkmgr_dir) {
  3848. clk_err("[%s]: fail to mkdir /proc/clkmgr\n", __func__);
  3849. return;
  3850. }
  3851. entry = proc_create("pll_test", S_IRUGO | S_IWUSR, clkmgr_dir, &pll_test_proc_fops);
  3852. entry = proc_create("pll_fsel", S_IRUGO | S_IWUSR, clkmgr_dir, &pll_fsel_proc_fops);
  3853. #ifdef CONFIG_CLKMGR_STAT
  3854. entry = proc_create("pll_stat", S_IRUGO, clkmgr_dir, &pll_stat_proc_fops);
  3855. #endif
  3856. entry = proc_create("subsys_test", S_IRUGO | S_IWUSR, clkmgr_dir, &subsys_test_proc_fops);
  3857. #ifdef CONFIG_CLKMGR_STAT
  3858. entry = proc_create("subsys_stat", S_IRUGO, clkmgr_dir, &subsys_stat_proc_fops);
  3859. #endif
  3860. entry = proc_create("mux_test", S_IRUGO, clkmgr_dir, &mux_test_proc_fops);
  3861. #ifdef CONFIG_CLKMGR_STAT
  3862. entry = proc_create("mux_stat", S_IRUGO, clkmgr_dir, &mux_stat_proc_fops);
  3863. #endif
  3864. entry = proc_create("clk_test", S_IRUGO | S_IWUSR, clkmgr_dir, &clk_test_proc_fops);
  3865. #ifdef CONFIG_CLKMGR_STAT
  3866. entry = proc_create("clk_stat", S_IRUGO, clkmgr_dir, &clk_stat_proc_fops);
  3867. #endif
  3868. entry = proc_create("clk_force_on", S_IRUGO | S_IWUSR, clkmgr_dir, &clk_force_on_proc_fops);
  3869. entry =
  3870. proc_create("slp_chk_mtcmos_pll_stat", S_IRUGO, clkmgr_dir,
  3871. &slp_chk_mtcmos_pll_stat_proc_fops);
  3872. entry = proc_create("armpll_ckdiv", S_IRUGO, clkmgr_dir, &armpll_ckdiv_proc_fops);
  3873. }
  3874. struct platform_device clkmgr_device = {
  3875. .name = "CLK",
  3876. .id = -1,
  3877. .dev = {},
  3878. };
  3879. int clk_pm_restore_noirq(struct device *device)
  3880. {
  3881. struct subsys *sys;
  3882. sys = &syss[SYS_DIS];
  3883. sys->state = sys->ops->get_state(sys);
  3884. muxs[MT_MUX_MM].cnt = 1;
  3885. plls[VENCPLL].cnt = 1;
  3886. /* es_flag = 0; */
  3887. clk_set_force_on_locked(&clks[MT_CG_DISP0_SMI_LARB0]);
  3888. clk_set_force_on_locked(&clks[MT_CG_DISP0_SMI_COMMON]);
  3889. clk_info("clk_pm_restore_noirq\n");
  3890. return 0;
  3891. }
  3892. #ifdef CONFIG_PM
  3893. const struct dev_pm_ops clkmgr_pm_ops = {
  3894. .restore_noirq = clk_pm_restore_noirq,
  3895. };
  3896. #endif
  3897. #ifdef CONFIG_OF
  3898. static const struct of_device_id mt_clkmgr_of_match[] = {
  3899. { .compatible = "mediatek,mt6735-apmixedsys", },
  3900. {},
  3901. };
  3902. #endif
  3903. static struct platform_driver clkmgr_driver = {
  3904. .driver = {
  3905. .name = "CLK",
  3906. #ifdef CONFIG_PM
  3907. .pm = &clkmgr_pm_ops,
  3908. #endif
  3909. .owner = THIS_MODULE,
  3910. #ifdef CONFIG_OF
  3911. .of_match_table = mt_clkmgr_of_match,
  3912. #endif
  3913. },};
  3914. static int mt_clkmgr_debug_module_init(void)
  3915. {
  3916. int ret;
  3917. mt_clkmgr_debug_init();
  3918. #if 0
  3919. #ifdef CONFIG_HAS_EARLYSUSPEND
  3920. register_early_suspend(&mt_clkmgr_early_suspend_handler);
  3921. #endif
  3922. #endif
  3923. ret = platform_device_register(&clkmgr_device);
  3924. if (ret) {
  3925. clk_info("clkmgr_device register fail(%d)\n", ret);
  3926. return ret;
  3927. }
  3928. ret = platform_driver_register(&clkmgr_driver);
  3929. if (ret) {
  3930. clk_info("clkmgr_driver register fail(%d)\n", ret);
  3931. return ret;
  3932. }
  3933. return 0;
  3934. }
  3935. static int __init mt_clkmgr_late_init(void)
  3936. {
  3937. /* **** */
  3938. /*
  3939. mt_enable_clock(MT_CG_DISP1_DPI_PIXEL, "clkmgr");
  3940. mt_disable_clock(MT_CG_DISP1_DPI_PIXEL, "clkmgr");
  3941. mt_enable_clock(MT_CG_IMAGE_LARB2_SMI, "clkmgr");
  3942. mt_disable_clock(MT_CG_IMAGE_LARB2_SMI, "clkmgr");
  3943. mt_enable_clock(MT_CG_VDEC0_VDEC, "clkmgr");
  3944. mt_disable_clock(MT_CG_VDEC0_VDEC, "clkmgr");
  3945. mt_enable_clock(MT_CG_VENC_LARB, "clkmgr");
  3946. mt_disable_clock(MT_CG_VENC_LARB, "clkmgr");
  3947. enable_mux(MT_MUX_AUD1, "clkmgr");
  3948. disable_mux(MT_MUX_AUD1, "clkmgr");
  3949. enable_mux(MT_MUX_AUD2, "clkmgr");
  3950. disable_mux(MT_MUX_AUD2, "clkmgr");
  3951. print_grp_regs();
  3952. */
  3953. return 0;
  3954. }
  3955. module_init(mt_clkmgr_debug_module_init);
  3956. late_initcall(mt_clkmgr_late_init);
  3957. void all_force_off(void)
  3958. {
  3959. /* **** */
  3960. #if 0
  3961. clk_info("All force off\n");
  3962. /* MTCMOS */
  3963. spm_mtcmos_ctrl_mdsys1(STA_POWER_DOWN);
  3964. spm_mtcmos_ctrl_mdsys2(STA_POWER_DOWN);
  3965. spm_mtcmos_ctrl_connsys(STA_POWER_DOWN);
  3966. spm_mtcmos_ctrl_disp(STA_POWER_DOWN);
  3967. spm_mtcmos_ctrl_mfg(STA_POWER_DOWN);
  3968. spm_mtcmos_ctrl_isp(STA_POWER_DOWN);
  3969. spm_mtcmos_ctrl_vdec(STA_POWER_DOWN);
  3970. spm_mtcmos_ctrl_venc(STA_POWER_DOWN);
  3971. /* PLL */
  3972. enable_pll(MSDCPLL, "clk");
  3973. disable_pll(MSDCPLL, "clk");
  3974. enable_pll(UNIVPLL, "clk");
  3975. disable_pll(UNIVPLL, "clk");
  3976. enable_pll(MMPLL, "clk");
  3977. disable_pll(MMPLL, "clk");
  3978. enable_pll(VENCPLL, "clk");
  3979. disable_pll(VENCPLL, "clk");
  3980. enable_pll(TVDPLL, "clk");
  3981. disable_pll(TVDPLL, "clk");
  3982. enable_pll(APLL1, "clk");
  3983. disable_pll(APLL1, "clk");
  3984. enable_pll(APLL2, "clk");
  3985. disable_pll(APLL2, "clk");
  3986. /* mmpll */
  3987. clk_clrl(MMPLL_CON0, 0x1);
  3988. clk_setl(MMPLL_PWR_CON0, PLL_ISO_EN);
  3989. clk_clrl(MMPLL_PWR_CON0, PLL_PWR_ON);
  3990. /* vencpll */
  3991. clk_clrl(VENCPLL_CON0, 0x1);
  3992. clk_setl(VENCPLL_PWR_CON0, PLL_ISO_EN);
  3993. clk_clrl(VENCPLL_PWR_CON0, PLL_PWR_ON);
  3994. /* UNIVPLL */
  3995. clk_clrl(UNIVPLL_CON0, RST_BAR_MASK);
  3996. clk_clrl(UNIVPLL_CON0, 0x1);
  3997. clk_setl(UNIVPLL_PWR_CON0, PLL_ISO_EN);
  3998. clk_clrl(UNIVPLL_PWR_CON0, PLL_PWR_ON);
  3999. clk_info("UNIVPLL_CON0=0x%x\n", clk_readl(UNIVPLL_CON0));
  4000. clk_info("MMPLL_CON0=0x%x\n", clk_readl(MMPLL_CON0));
  4001. clk_info("MSDCPLL_CON0=0x%x\n", clk_readl(MSDCPLL_CON0));
  4002. clk_info("VENCPLL_CON0=0x%x\n", clk_readl(VENCPLL_CON0));
  4003. clk_info("TVDPLL_CON0=0x%x\n", clk_readl(TVDPLL_CON0));
  4004. clk_info("APLL1_CON0=0x%x\n", clk_readl(APLL1_CON0));
  4005. clk_info("APLL2_CON0=0x%x\n", clk_readl(APLL2_CON0));
  4006. #endif
  4007. }
  4008. EXPORT_SYMBOL(all_force_off);
  4009. /*************CLKM****************/
  4010. #if 1
  4011. int clk_monitor_0(enum ckmon_sel ckmon, enum monitor_clk_sel_0 sel, int div)
  4012. {
  4013. unsigned long flags;
  4014. unsigned int temp;
  4015. if ((div > 255) || (ckmon > 0)) {
  4016. clk_info("CLK_Monitor_0 error parameter\n");
  4017. return 1;
  4018. }
  4019. clkmgr_lock(flags);
  4020. temp = clk_readl(CLK26CALI_0);
  4021. clk_writel(CLK26CALI_0, temp | 0x80);
  4022. clk_writel(CLK_CFG_8, sel << 8);
  4023. temp = clk_readl(CLK_MISC_CFG_1);
  4024. clk_writel(CLK_MISC_CFG_1, div & 0xff);
  4025. clk_info("CLK_Monitor_0 Reg: CLK26CALI_0=0x%x, CLK_CFG_8=0x%x, CLK_MISC_CFG_1=0x%x\n",
  4026. clk_readl(CLK26CALI_0), clk_readl(CLK_CFG_8), clk_readl(CLK_MISC_CFG_1));
  4027. clkmgr_unlock(flags);
  4028. return 0;
  4029. }
  4030. EXPORT_SYMBOL(clk_monitor_0);
  4031. int clk_monitor(enum ckmon_sel ckmon, enum monitor_clk_sel sel, int div)
  4032. {
  4033. unsigned long flags;
  4034. unsigned int ckmon_shift = 0;
  4035. unsigned int temp;
  4036. if ((div > 255) || (ckmon == 0)) {
  4037. clk_info("CLK_Monitor error parameter\n");
  4038. return 1;
  4039. }
  4040. clkmgr_lock(flags);
  4041. #if 0
  4042. if (ckmon == 1)
  4043. ckmon_shift = 0;
  4044. else if (ckmon == 2)
  4045. ckmon_shift = 8;
  4046. else if (ckmon == 3)
  4047. ckmon_shift = 16;
  4048. #else
  4049. ckmon_shift = (ckmon - 1) << 3;
  4050. #endif
  4051. temp = clk_readl(CLK_CFG_10);
  4052. temp = temp & (~(0xf << ckmon_shift));
  4053. temp = temp | ((sel & 0xf) << ckmon_shift);
  4054. clk_writel(CLK_CFG_10, temp);
  4055. temp = clk_readl(CLK_CFG_11);
  4056. temp = temp & (~(0xff << ckmon_shift));
  4057. temp = temp | ((div & 0xff) << ckmon_shift);
  4058. clk_writel(CLK_CFG_11, temp);
  4059. clk_info("CLK_Monitor Reg: CLK_CFG_10=0x%x, CLK_CFG_11=0x%x\n", clk_readl(CLK_CFG_10),
  4060. clk_readl(CLK_CFG_11));
  4061. clkmgr_unlock(flags);
  4062. return 0;
  4063. }
  4064. EXPORT_SYMBOL(clk_monitor);
  4065. #endif