mt_clkmgr.c 109 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/io.h>
  15. #include <mt-plat/sync_write.h>
  16. /* FIXME: change to mt_clkmgr.h after CCF is ready */
  17. #include <mach/mt_clkmgr1_legacy.h>
  18. #include "mt_spm.h"
  19. #include <mach/mt_spm_mtcmos.h>
  20. /* #include <mach/mt_spm_sleep.h> */
  21. #include <mach/mt_freqhopping.h>
  22. /* #include <mach/mt_gpufreq.h> */
  23. /* #include <mach/irqs.h> */
  24. /* #include <mach/upmu_common.h> */
  25. /* #include <mach/upmu_sw.h> */
  26. /* #include <mach/upmu_hw.h> */
  27. #ifdef CONFIG_OF
  28. #include <linux/of.h>
  29. #include <linux/of_address.h>
  30. #endif
  31. #ifdef CONFIG_OF
  32. void __iomem *clk_apmixed_base;
  33. void __iomem *clk_cksys_base;
  34. void __iomem *clk_infracfg_ao_base;
  35. void __iomem *clk_pericfg_base;
  36. void __iomem *clk_audio_base;
  37. void __iomem *clk_mfgcfg_base;
  38. void __iomem *clk_mmsys_config_base;
  39. void __iomem *clk_imgsys_base;
  40. void __iomem *clk_vdec_gcon_base;
  41. void __iomem *clk_venc_gcon_base;
  42. #endif
  43. /* #define CLK_LOG_TOP */
  44. /* #define CLK_LOG */
  45. /* #define DISP_CLK_LOG */
  46. /* #define SYS_LOG */
  47. /* #define MUX_LOG_TOP */
  48. #define MUX_LOG
  49. /* #define PLL_LOG_TOP */
  50. #define PLL_LOG
  51. #if !defined(CONFIG_MTK_CLKMGR)
  52. #define MT_CCF_DEBUG 0
  53. #define MT_CCF_BRINGUP 0
  54. #define Bring_Up
  55. #else
  56. /* #define Bring_Up */
  57. #endif /* !defined(CONFIG_MTK_CLKMGR) */
  58. #define VLTE_SUPPORT
  59. /************************************************
  60. ********** log debug **********
  61. ************************************************/
  62. #define TAG "[Power/clkmgr] "
  63. #define clk_err(fmt, args...) \
  64. pr_err(TAG fmt, ##args)
  65. #define clk_warn(fmt, args...) \
  66. pr_warn(TAG fmt, ##args)
  67. #define clk_info(fmt, args...) \
  68. pr_info(TAG fmt, ##args)
  69. #define clk_dbg(fmt, args...) \
  70. pr_debug(TAG fmt, ##args)
  71. /************************************************
  72. ********** register access **********
  73. ************************************************/
  74. #define clk_readl(addr) \
  75. readl(addr)
  76. /* DRV_Reg32(addr) */
  77. #define clk_writel(addr, val) \
  78. mt_reg_sync_writel(val, addr)
  79. #define clk_setl(addr, val) \
  80. mt_reg_sync_writel(clk_readl(addr) | (val), addr)
  81. #define clk_clrl(addr, val) \
  82. mt_reg_sync_writel(clk_readl(addr) & ~(val), addr)
  83. /************************************************
  84. ********** struct definition **********
  85. ************************************************/
  86. /* #define CONFIG_CLKMGR_STAT */
  87. struct pll;
  88. struct pll_ops {
  89. int (*get_state)(struct pll *pll);
  90. /* void (*change_mode)(int mode); */
  91. void (*enable)(struct pll *pll);
  92. void (*disable)(struct pll *pll);
  93. void (*fsel)(struct pll *pll, unsigned int value);
  94. int (*dump_regs)(struct pll *pll, unsigned int *ptr);
  95. /* unsigned int (*vco_calc)(struct pll *pll); */
  96. int (*hp_enable)(struct pll *pll);
  97. int (*hp_disable)(struct pll *pll);
  98. };
  99. struct pll {
  100. const char *name;
  101. int type;
  102. int mode;
  103. int feat;
  104. int state;
  105. unsigned int cnt;
  106. unsigned int en_mask;
  107. void __iomem *base_addr;
  108. void __iomem *pwr_addr;
  109. struct pll_ops *ops;
  110. unsigned int hp_id;
  111. int hp_switch;
  112. #ifdef CONFIG_CLKMGR_STAT
  113. struct list_head head;
  114. #endif
  115. };
  116. struct subsys;
  117. struct subsys_ops {
  118. int (*enable)(struct subsys *sys);
  119. int (*disable)(struct subsys *sys);
  120. int (*get_state)(struct subsys *sys);
  121. int (*dump_regs)(struct subsys *sys, unsigned int *ptr);
  122. };
  123. struct subsys {
  124. const char *name;
  125. int type;
  126. int force_on;
  127. unsigned int cnt;
  128. unsigned int state;
  129. unsigned int default_sta;
  130. unsigned int sta_mask; /* mask in PWR_STATUS */
  131. void __iomem *ctl_addr;
  132. /* int (*pwr_ctrl)(int state); */
  133. struct subsys_ops *ops;
  134. struct cg_grp *start;
  135. unsigned int nr_grps;
  136. struct clkmux *mux;
  137. #ifdef CONFIG_CLKMGR_STAT
  138. struct list_head head;
  139. #endif
  140. };
  141. struct clkmux;
  142. struct clkmux_ops {
  143. void (*sel)(struct clkmux *mux, unsigned int clksrc);
  144. void (*enable)(struct clkmux *mux);
  145. void (*disable)(struct clkmux *mux);
  146. };
  147. struct clkmux {
  148. const char *name;
  149. unsigned int cnt;
  150. void __iomem *base_addr;
  151. unsigned int sel_mask;
  152. unsigned int pdn_mask;
  153. unsigned int offset;
  154. unsigned int nr_inputs;
  155. /* unsigned int upd_mask; */
  156. struct clkmux_ops *ops;
  157. /* struct clkmux *parent; */
  158. struct clkmux *siblings;
  159. struct pll *pll;
  160. #ifdef CONFIG_CLKMGR_STAT
  161. struct list_head head;
  162. #endif
  163. };
  164. struct cg_grp;
  165. struct cg_grp_ops {
  166. int (*prepare)(struct cg_grp *grp);
  167. int (*finished)(struct cg_grp *grp);
  168. unsigned int (*get_state)(struct cg_grp *grp);
  169. int (*dump_regs)(struct cg_grp *grp, unsigned int *ptr);
  170. };
  171. struct cg_grp {
  172. const char *name;
  173. void __iomem *set_addr;
  174. void __iomem *clr_addr;
  175. void __iomem *sta_addr;
  176. void __iomem *dummy_addr;
  177. void __iomem *bw_limit_addr;
  178. unsigned int mask;
  179. unsigned int state;
  180. struct cg_grp_ops *ops;
  181. struct subsys *sys;
  182. };
  183. struct cg_clk;
  184. struct cg_clk_ops {
  185. int (*get_state)(struct cg_clk *clk);
  186. int (*check_validity)(struct cg_clk *clk); /* 1: valid, 0: invalid */
  187. int (*enable)(struct cg_clk *clk);
  188. int (*disable)(struct cg_clk *clk);
  189. };
  190. struct cg_clk {
  191. int cnt;
  192. unsigned int state;
  193. unsigned int mask;
  194. int force_on;
  195. struct cg_clk_ops *ops;
  196. struct cg_grp *grp;
  197. struct clkmux *mux;
  198. /* struct cg_clk *parent; */
  199. #ifdef CONFIG_CLKMGR_STAT
  200. struct list_head head;
  201. #endif
  202. };
  203. #ifdef CONFIG_CLKMGR_STAT
  204. struct stat_node {
  205. struct list_head link;
  206. unsigned int cnt_on;
  207. unsigned int cnt_off;
  208. char name[0];
  209. };
  210. #endif
  211. /************************************************
  212. ********** global variablies **********
  213. ************************************************/
  214. #define PWR_DOWN 0
  215. #define PWR_ON 1
  216. static int initialized;
  217. /* static int es_flag = 0; */
  218. static int slp_chk_mtcmos_pll_stat;
  219. static struct pll plls[NR_PLLS];
  220. static struct subsys syss[NR_SYSS];
  221. static struct clkmux muxs[NR_MUXS];
  222. static struct cg_grp grps[NR_GRPS];
  223. static struct cg_clk clks[NR_CLKS];
  224. /************************************************
  225. ********** spin lock protect **********
  226. ************************************************/
  227. static DEFINE_SPINLOCK(clock_lock);
  228. #define clkmgr_lock(flags) spin_lock_irqsave(&clock_lock, flags)
  229. #define clkmgr_unlock(flags) spin_unlock_irqrestore(&clock_lock, flags)
  230. #define clkmgr_locked() spin_is_locked(&clock_lock)
  231. int clkmgr_is_locked(void)
  232. {
  233. return clkmgr_locked();
  234. }
  235. EXPORT_SYMBOL(clkmgr_is_locked);
  236. /************************************************
  237. ********** clkmgr stat debug **********
  238. ************************************************/
  239. #ifdef CONFIG_CLKMGR_STAT
  240. void update_stat_locked(struct list_head *head, char *name, int op)
  241. {
  242. struct list_head *pos = NULL;
  243. struct stat_node *node = NULL;
  244. int len = strlen(name);
  245. int new_node = 1;
  246. list_for_each(pos, head) {
  247. node = list_entry(pos, struct stat_node, link);
  248. if (!strncmp(node->name, name, len)) {
  249. new_node = 0;
  250. break;
  251. }
  252. }
  253. if (new_node) {
  254. node = NULL;
  255. node = kzalloc(sizeof(*node) + len + 1, GFP_ATOMIC);
  256. if (!node) {
  257. clk_err("[%s]: malloc stat node for %s fail\n", __func__, name);
  258. goto node_error;
  259. } else {
  260. memcpy(node->name, name, len);
  261. list_add_tail(&node->link, head);
  262. }
  263. }
  264. if (op)
  265. node->cnt_on++;
  266. else
  267. node->cnt_off++;
  268. node_error:
  269. return;
  270. }
  271. #endif
  272. /************************************************
  273. ********** function declaration **********
  274. ************************************************/
  275. static int pll_enable_locked(struct pll *pll);
  276. static int pll_disable_locked(struct pll *pll);
  277. static int sys_enable_locked(struct subsys *sys);
  278. static int sys_disable_locked(struct subsys *sys, int force_off);
  279. static void mux_enable_locked(struct clkmux *mux);
  280. static void mux_disable_locked(struct clkmux *mux);
  281. static int clk_enable_locked(struct cg_clk *clk);
  282. static int clk_disable_locked(struct cg_clk *clk);
  283. static inline int pll_enable_internal(struct pll *pll, char *name)
  284. {
  285. int err;
  286. err = pll_enable_locked(pll);
  287. #ifdef CONFIG_CLKMGR_STAT
  288. update_stat_locked(&pll->head, name, 1);
  289. #endif
  290. return err;
  291. }
  292. static inline int pll_disable_internal(struct pll *pll, char *name)
  293. {
  294. int err;
  295. err = pll_disable_locked(pll);
  296. #ifdef CONFIG_CLKMGR_STAT
  297. update_stat_locked(&pll->head, name, 0);
  298. #endif
  299. return err;
  300. }
  301. static inline int subsys_enable_internal(struct subsys *sys, char *name)
  302. {
  303. int err;
  304. err = sys_enable_locked(sys);
  305. #ifdef CONFIG_CLKMGR_STAT
  306. /* update_stat_locked(&sys->head, name, 1); */
  307. #endif
  308. return err;
  309. }
  310. static inline int subsys_disable_internal(struct subsys *sys, int force_off, char *name)
  311. {
  312. int err;
  313. err = sys_disable_locked(sys, force_off);
  314. #ifdef CONFIG_CLKMGR_STAT
  315. /* update_stat_locked(&sys->head, name, 0); */
  316. #endif
  317. return err;
  318. }
  319. static inline void mux_enable_internal(struct clkmux *mux, char *name)
  320. {
  321. mux_enable_locked(mux);
  322. #ifdef CONFIG_CLKMGR_STAT
  323. update_stat_locked(&mux->head, name, 1);
  324. #endif
  325. }
  326. static inline void mux_disable_internal(struct clkmux *mux, char *name)
  327. {
  328. mux_disable_locked(mux);
  329. #ifdef CONFIG_CLKMGR_STAT
  330. update_stat_locked(&mux->head, name, 0);
  331. #endif
  332. }
  333. static inline int clk_enable_internal(struct cg_clk *clk, char *name)
  334. {
  335. int err;
  336. err = clk_enable_locked(clk);
  337. #ifdef CONFIG_CLKMGR_STAT
  338. update_stat_locked(&clk->head, name, 1);
  339. #endif
  340. return err;
  341. }
  342. static inline int clk_disable_internal(struct cg_clk *clk, char *name)
  343. {
  344. int err;
  345. err = clk_disable_locked(clk);
  346. #ifdef CONFIG_CLKMGR_STAT
  347. update_stat_locked(&clk->head, name, 0);
  348. #endif
  349. return err;
  350. }
  351. /************************************************
  352. ********** pll part **********
  353. ************************************************/
  354. #define PLL_TYPE_SDM 0
  355. #define PLL_TYPE_LC 1
  356. #define HAVE_RST_BAR (0x1 << 0)
  357. #define HAVE_PLL_HP (0x1 << 1)
  358. #define HAVE_FIX_FRQ (0x1 << 2)
  359. #define Others (0x1 << 3)
  360. #define RST_BAR_MASK 0x1000000
  361. static struct pll_ops arm_pll_ops;
  362. static struct pll_ops sdm_pll_ops;
  363. static struct pll plls[NR_PLLS] = {
  364. {
  365. .name = __stringify(ARMPLL),
  366. .type = PLL_TYPE_SDM,
  367. .feat = HAVE_PLL_HP,
  368. .en_mask = 0x00000001,
  369. /* .base_addr = ARMCA7PLL_CON0, */
  370. /* .pwr_addr = ARMCA7PLL_PWR_CON0, */
  371. .ops = &arm_pll_ops,
  372. .hp_id = FH_ARM_PLLID,
  373. .hp_switch = 1,
  374. }, {
  375. .name = __stringify(MAINPLL),
  376. .type = PLL_TYPE_SDM,
  377. .feat = HAVE_PLL_HP | HAVE_RST_BAR,
  378. .en_mask = 0xF0000101,
  379. /* .base_addr = MAINPLL_CON0, */
  380. /* .pwr_addr = MAINPLL_PWR_CON0, */
  381. .ops = &sdm_pll_ops,
  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. .hp_id = FH_MSDC_PLLID,
  393. .hp_switch = 1,
  394. }, {
  395. .name = __stringify(UNIVPLL),
  396. .type = PLL_TYPE_SDM,
  397. .feat = HAVE_RST_BAR | HAVE_FIX_FRQ,
  398. .en_mask = 0xFC000001,
  399. /* .base_addr = UNIVPLL_CON0, */
  400. /* .pwr_addr = UNIVPLL_PWR_CON0, */
  401. .ops = &sdm_pll_ops,
  402. }, {
  403. .name = __stringify(MMPLL),
  404. .type = PLL_TYPE_SDM,
  405. .feat = HAVE_PLL_HP,
  406. .en_mask = 0x00000001,
  407. /* .base_addr = MMPLL_CON0, */
  408. /* .pwr_addr = MMPLL_PWR_CON0, */
  409. .ops = &sdm_pll_ops,
  410. .hp_id = FH_MM_PLLID,
  411. .hp_switch = 1,
  412. }, {
  413. .name = __stringify(VENCPLL),
  414. .type = PLL_TYPE_SDM,
  415. .feat = HAVE_PLL_HP,
  416. .en_mask = 0x00000001,
  417. /* .base_addr = VENCPLL_CON0, */
  418. /* .pwr_addr = VENCPLL_PWR_CON0, */
  419. .ops = &sdm_pll_ops,
  420. .hp_id = FH_VENC_PLLID,
  421. .hp_switch = 1,
  422. }, {
  423. .name = __stringify(TVDPLL),
  424. .type = PLL_TYPE_SDM,
  425. .feat = HAVE_PLL_HP,
  426. .en_mask = 0x00000001,
  427. /* .base_addr = TVDPLL_CON0, */
  428. /* .pwr_addr = TVDPLL_PWR_CON0, */
  429. .ops = &sdm_pll_ops,
  430. .hp_id = FH_TVD_PLLID,
  431. .hp_switch = 1,
  432. }, /* {
  433. .name = __stringify(MPLL),
  434. .type = PLL_TYPE_SDM,
  435. .feat = HAVE_PLL_HP,
  436. .en_mask = 0x00000001,
  437. .base_addr = MPLL_CON0,
  438. .pwr_addr = MPLL_PWR_CON0,
  439. .ops = &sdm_pll_ops,
  440. .hp_id = FH_M_PLLID,
  441. .hp_switch = 1,
  442. }, */ {
  443. .name = __stringify(APLL1),
  444. .type = PLL_TYPE_SDM,
  445. .feat = HAVE_PLL_HP,
  446. .en_mask = 0x00000001,
  447. /* .base_addr = APLL1_CON0, */
  448. /* .pwr_addr = APLL1_PWR_CON0, */
  449. .ops = &sdm_pll_ops,
  450. }, {
  451. .name = __stringify(APLL2),
  452. .type = PLL_TYPE_SDM,
  453. .feat = HAVE_PLL_HP,
  454. .en_mask = 0x00000001,
  455. /* .base_addr = APLL2_CON0, */
  456. /* .pwr_addr = APLL2_PWR_CON0, */
  457. .ops = &sdm_pll_ops,
  458. }
  459. };
  460. static struct pll *id_to_pll(unsigned int id)
  461. {
  462. return id < NR_PLLS ? plls + id : NULL;
  463. }
  464. #define PLL_PWR_ON (0x1 << 0)
  465. #define PLL_ISO_EN (0x1 << 1)
  466. #define SDM_PLL_N_INFO_MASK 0x001FFFFF
  467. #define UNIV_SDM_PLL_N_INFO_MASK 0x001fc000
  468. #define APLL_SDM_PLL_N_INFO_MASK 0x7fffffff
  469. #define SDM_PLL_N_INFO_CHG 0x80000000
  470. #define ARMPLL_POSDIV_MASK 0x07000000
  471. static int pll_get_state_op(struct pll *pll)
  472. {
  473. return clk_readl(pll->base_addr) & 0x1;
  474. }
  475. static void sdm_pll_enable_op(struct pll *pll)
  476. {
  477. #ifdef PLL_LOG
  478. /* clk_info("[%s]: pll->name=%s\n", __func__, pll->name); */
  479. clk_dbg("[%s]: pll->name=%s\n", __func__, pll->name);
  480. #endif
  481. clk_setl(pll->pwr_addr, PLL_PWR_ON);
  482. udelay(2);
  483. clk_clrl(pll->pwr_addr, PLL_ISO_EN);
  484. clk_setl(pll->base_addr, pll->en_mask);
  485. udelay(20);
  486. if (pll->feat & HAVE_RST_BAR)
  487. clk_setl(pll->base_addr, RST_BAR_MASK);
  488. }
  489. static void sdm_pll_disable_op(struct pll *pll)
  490. {
  491. #ifdef PLL_LOG
  492. /* clk_info("[%s]: pll->name=%s\n", __func__, pll->name); */
  493. clk_dbg("[%s]: pll->name=%s\n", __func__, pll->name);
  494. #endif
  495. /* if( pll->base_addr == UNIVPLL_CON0 || pll->base_addr == VENCPLL_CON0) */
  496. /* { */
  497. /* printk("univpll return\n"); */
  498. /* return;//for debug */
  499. /* } */
  500. if (pll->feat & HAVE_RST_BAR)
  501. clk_clrl(pll->base_addr, RST_BAR_MASK);
  502. clk_clrl(pll->base_addr, 0x1);
  503. clk_setl(pll->pwr_addr, PLL_ISO_EN);
  504. clk_clrl(pll->pwr_addr, PLL_PWR_ON);
  505. }
  506. static void sdm_pll_fsel_op(struct pll *pll, unsigned int value)
  507. {
  508. unsigned int ctrl_value;
  509. ctrl_value = clk_readl(pll->base_addr + 4);
  510. if (pll->base_addr == UNIVPLL_CON0) {
  511. ctrl_value &= ~UNIV_SDM_PLL_N_INFO_MASK;
  512. ctrl_value |= value & UNIV_SDM_PLL_N_INFO_MASK;
  513. } else if ((pll->base_addr == APLL1_CON0) || (pll->base_addr == APLL2_CON0)) {
  514. ctrl_value &= ~APLL_SDM_PLL_N_INFO_MASK;
  515. ctrl_value |= value & APLL_SDM_PLL_N_INFO_MASK;
  516. } else {
  517. ctrl_value &= ~SDM_PLL_N_INFO_MASK;
  518. ctrl_value |= value & SDM_PLL_N_INFO_MASK;
  519. }
  520. ctrl_value |= SDM_PLL_N_INFO_CHG;
  521. clk_writel(pll->base_addr + 4, ctrl_value);
  522. udelay(20);
  523. }
  524. static int sdm_pll_dump_regs_op(struct pll *pll, unsigned int *ptr)
  525. {
  526. *(ptr) = clk_readl(pll->base_addr);
  527. *(++ptr) = clk_readl(pll->base_addr + 4);
  528. *(++ptr) = clk_readl(pll->pwr_addr);
  529. return 3;
  530. }
  531. static int sdm_pll_hp_enable_op(struct pll *pll)
  532. {
  533. int err;
  534. if (!pll->hp_switch || (pll->state == PWR_DOWN))
  535. return 0;
  536. #ifndef Bring_Up
  537. err = freqhopping_config(pll->hp_id, 0, PWR_ON);
  538. #endif
  539. return err;
  540. }
  541. static int sdm_pll_hp_disable_op(struct pll *pll)
  542. {
  543. int err;
  544. if (!pll->hp_switch || (pll->state == PWR_ON))
  545. return 0;
  546. #ifndef Bring_Up
  547. err = freqhopping_config(pll->hp_id, 0, PWR_DOWN);
  548. #endif
  549. return err;
  550. }
  551. static struct pll_ops sdm_pll_ops = {
  552. .get_state = pll_get_state_op,
  553. .enable = sdm_pll_enable_op,
  554. .disable = sdm_pll_disable_op,
  555. .fsel = sdm_pll_fsel_op,
  556. .dump_regs = sdm_pll_dump_regs_op,
  557. .hp_enable = sdm_pll_hp_enable_op,
  558. .hp_disable = sdm_pll_hp_disable_op,
  559. };
  560. static void arm_pll_fsel_op(struct pll *pll, unsigned int value)
  561. {
  562. unsigned int ctrl_value;
  563. ctrl_value = clk_readl(pll->base_addr + 4);
  564. ctrl_value &= ~(SDM_PLL_N_INFO_MASK | ARMPLL_POSDIV_MASK);
  565. ctrl_value |= value & (SDM_PLL_N_INFO_MASK | ARMPLL_POSDIV_MASK);
  566. ctrl_value |= SDM_PLL_N_INFO_CHG;
  567. clk_writel(pll->base_addr + 4, ctrl_value);
  568. udelay(20);
  569. }
  570. static struct pll_ops arm_pll_ops = {
  571. .get_state = pll_get_state_op,
  572. .enable = sdm_pll_enable_op,
  573. .disable = sdm_pll_disable_op,
  574. .fsel = arm_pll_fsel_op,
  575. .dump_regs = sdm_pll_dump_regs_op,
  576. .hp_enable = sdm_pll_hp_enable_op,
  577. .hp_disable = sdm_pll_hp_disable_op,
  578. };
  579. static int get_pll_state_locked(struct pll *pll)
  580. {
  581. if (likely(initialized))
  582. return pll->state;
  583. else
  584. return pll->ops->get_state(pll);
  585. }
  586. static int pll_enable_locked(struct pll *pll)
  587. {
  588. pll->cnt++;
  589. #ifdef PLL_LOG_TOP
  590. clk_info("[%s]: Start. pll->name=%s, pll->cnt=%d, pll->state=%d\n", __func__, pll->name,
  591. pll->cnt, pll->state);
  592. #endif
  593. if (pll->cnt > 1)
  594. return 0;
  595. if (pll->state == PWR_DOWN) {
  596. pll->ops->enable(pll);
  597. pll->state = PWR_ON;
  598. }
  599. if (pll->ops->hp_enable)
  600. pll->ops->hp_enable(pll);
  601. #ifdef PLL_LOG_TOP
  602. clk_info("[%s]: End. pll->name=%s, pll->cnt=%d, pll->state=%d\n", __func__, pll->name,
  603. pll->cnt, pll->state);
  604. #endif
  605. return 0;
  606. }
  607. static int pll_disable_locked(struct pll *pll)
  608. {
  609. #ifdef PLL_LOG_TOP
  610. clk_info("[%s]: Start. pll->name=%s, pll->cnt=%d, pll->state=%d\n", __func__, pll->name,
  611. pll->cnt, pll->state);
  612. #endif
  613. BUG_ON(!pll->cnt);
  614. pll->cnt--;
  615. #ifdef PLL_LOG_TOP
  616. clk_info("[%s]: Start. pll->name=%s, pll->cnt=%d, pll->state=%d\n", __func__, pll->name,
  617. pll->cnt, pll->state);
  618. #endif
  619. if (pll->cnt > 0)
  620. return 0;
  621. if (pll->state == PWR_ON) {
  622. pll->ops->disable(pll);
  623. pll->state = PWR_DOWN;
  624. }
  625. if (pll->ops->hp_disable)
  626. pll->ops->hp_disable(pll);
  627. #ifdef PLL_LOG_TOP
  628. clk_info("[%s]: End. pll->name=%s, pll->cnt=%d, pll->state=%d\n", __func__, pll->name,
  629. pll->cnt, pll->state);
  630. #endif
  631. return 0;
  632. }
  633. static int pll_fsel_locked(struct pll *pll, unsigned int value)
  634. {
  635. pll->ops->fsel(pll, value);
  636. if (pll->ops->hp_enable)
  637. pll->ops->hp_enable(pll);
  638. return 0;
  639. }
  640. int pll_is_on(int id)
  641. {
  642. int state;
  643. unsigned long flags;
  644. struct pll *pll = id_to_pll(id);
  645. #ifdef Bring_Up
  646. return 1;
  647. #endif
  648. BUG_ON(!pll);
  649. clkmgr_lock(flags);
  650. state = get_pll_state_locked(pll);
  651. clkmgr_unlock(flags);
  652. return state;
  653. }
  654. EXPORT_SYMBOL(pll_is_on);
  655. int enable_pll(int id, char *name)
  656. {
  657. int err;
  658. unsigned long flags;
  659. struct pll *pll = id_to_pll(id);
  660. #ifdef Bring_Up
  661. return 0;
  662. #endif
  663. #ifndef PLL_CLK_LINK
  664. return 0;
  665. #endif
  666. BUG_ON(!initialized);
  667. BUG_ON(!pll);
  668. BUG_ON(!name);
  669. #ifdef PLL_LOG_TOP
  670. clk_info("[%s]: id=%d, name=%s\n", __func__, id, name);
  671. #endif
  672. clkmgr_lock(flags);
  673. err = pll_enable_internal(pll, name);
  674. clkmgr_unlock(flags);
  675. return err;
  676. }
  677. EXPORT_SYMBOL(enable_pll);
  678. int disable_pll(int id, char *name)
  679. {
  680. int err;
  681. unsigned long flags;
  682. struct pll *pll = id_to_pll(id);
  683. #ifdef Bring_Up
  684. return 0;
  685. #endif
  686. #ifndef PLL_CLK_LINK
  687. return 0;
  688. #endif
  689. BUG_ON(!initialized);
  690. BUG_ON(!pll);
  691. BUG_ON(!name);
  692. #ifdef PLL_LOG_TOP
  693. clk_info("[%s]: id=%d, name=%s\n", __func__, id, name);
  694. #endif
  695. clkmgr_lock(flags);
  696. err = pll_disable_internal(pll, name);
  697. clkmgr_unlock(flags);
  698. return err;
  699. }
  700. EXPORT_SYMBOL(disable_pll);
  701. int pll_fsel(int id, unsigned int value)
  702. {
  703. int err;
  704. unsigned long flags;
  705. struct pll *pll = id_to_pll(id);
  706. #ifdef Bring_Up
  707. return 0;
  708. #endif
  709. BUG_ON(!initialized);
  710. BUG_ON(!pll);
  711. clkmgr_lock(flags);
  712. err = pll_fsel_locked(pll, value);
  713. clkmgr_unlock(flags);
  714. return err;
  715. }
  716. EXPORT_SYMBOL(pll_fsel);
  717. int pll_hp_switch_on(int id, int hp_on)
  718. {
  719. int err = 0;
  720. unsigned long flags;
  721. int old_value;
  722. struct pll *pll = id_to_pll(id);
  723. #ifdef Bring_Up
  724. return 0;
  725. #endif
  726. BUG_ON(!initialized);
  727. BUG_ON(!pll);
  728. if (pll->type != PLL_TYPE_SDM) {
  729. err = -EINVAL;
  730. goto out;
  731. }
  732. clkmgr_lock(flags);
  733. old_value = pll->hp_switch;
  734. if (old_value == 0) {
  735. pll->hp_switch = 1;
  736. if (hp_on)
  737. err = pll->ops->hp_enable(pll);
  738. }
  739. clkmgr_unlock(flags);
  740. #if 0
  741. clk_info("[%s]hp_switch(%d->%d), hp_on=%d\n", __func__, old_value, pll->hp_switch, hp_on);
  742. #endif
  743. out:
  744. return err;
  745. }
  746. EXPORT_SYMBOL(pll_hp_switch_on);
  747. int pll_hp_switch_off(int id, int hp_off)
  748. {
  749. int err = 0;
  750. unsigned long flags;
  751. int old_value;
  752. struct pll *pll = id_to_pll(id);
  753. #ifdef Bring_Up
  754. return 0;
  755. #endif
  756. BUG_ON(!initialized);
  757. BUG_ON(!pll);
  758. if (pll->type != PLL_TYPE_SDM) {
  759. err = -EINVAL;
  760. goto out;
  761. }
  762. clkmgr_lock(flags);
  763. old_value = pll->hp_switch;
  764. if (old_value == 1) {
  765. if (hp_off)
  766. err = pll->ops->hp_disable(pll);
  767. pll->hp_switch = 0;
  768. }
  769. clkmgr_unlock(flags);
  770. #if 0
  771. clk_info("[%s]hp_switch(%d->%d), hp_off=%d\n", __func__, old_value, pll->hp_switch, hp_off);
  772. #endif
  773. out:
  774. return err;
  775. }
  776. EXPORT_SYMBOL(pll_hp_switch_off);
  777. int pll_dump_regs(int id, unsigned int *ptr)
  778. {
  779. struct pll *pll = id_to_pll(id);
  780. #if defined(CONFIG_MTK_CLKMGR)
  781. #ifdef Bring_Up
  782. return 0;
  783. #endif
  784. #endif /* defined(CONFIG_MTK_CLKMGR) */
  785. BUG_ON(!initialized);
  786. BUG_ON(!pll);
  787. return pll->ops->dump_regs(pll, ptr);
  788. }
  789. EXPORT_SYMBOL(pll_dump_regs);
  790. const char *pll_get_name(int id)
  791. {
  792. struct pll *pll = id_to_pll(id);
  793. BUG_ON(!initialized);
  794. BUG_ON(!pll);
  795. return pll->name;
  796. }
  797. void set_mipi26m(int en)
  798. {
  799. unsigned long flags;
  800. #ifdef Bring_Up
  801. return;
  802. #endif
  803. clkmgr_lock(flags);
  804. if (en)
  805. clk_setl(AP_PLL_CON0, 1 << 6);
  806. else
  807. clk_clrl(AP_PLL_CON0, 1 << 6);
  808. clkmgr_unlock(flags);
  809. }
  810. EXPORT_SYMBOL(set_mipi26m);
  811. void set_ada_ssusb_xtal_ck(int en)
  812. {
  813. unsigned long flags;
  814. #ifdef Bring_Up
  815. return;
  816. #endif
  817. clkmgr_lock(flags);
  818. if (en) {
  819. clk_setl(AP_PLL_CON2, 1 << 0);
  820. udelay(100);
  821. clk_setl(AP_PLL_CON2, 1 << 1);
  822. clk_setl(AP_PLL_CON2, 1 << 2);
  823. } else {
  824. clk_clrl(AP_PLL_CON2, 0x7);
  825. }
  826. clkmgr_unlock(flags);
  827. }
  828. EXPORT_SYMBOL(set_ada_ssusb_xtal_ck);
  829. /************************************************
  830. ********** subsys part **********
  831. ************************************************/
  832. #define SYS_TYPE_MODEM 0
  833. #define SYS_TYPE_MEDIA 1
  834. #define SYS_TYPE_OTHER 2
  835. #define SYS_TYPE_CONN 3
  836. static struct subsys_ops md1_sys_ops;
  837. static struct subsys_ops conn_sys_ops;
  838. static struct subsys_ops dis_sys_ops;
  839. static struct subsys_ops mfg_sys_ops;
  840. static struct subsys_ops isp_sys_ops;
  841. static struct subsys_ops vde_sys_ops;
  842. /* static struct subsys_ops mjc_sys_ops; */
  843. static struct subsys_ops ven_sys_ops;
  844. /* static struct subsys_ops aud_sys_ops; */
  845. static struct subsys_ops md2_sys_ops;
  846. static struct subsys syss[NR_SYSS] = {
  847. {
  848. .name = __stringify(SYS_MD1),
  849. .type = SYS_TYPE_MODEM,
  850. .default_sta = PWR_DOWN,
  851. .sta_mask = 1U << 0,
  852. /* .ctl_addr = SPM_MD_PWR_CON, */
  853. .ops = &md1_sys_ops,
  854. }, {
  855. .name = __stringify(SYS_MD2),
  856. .type = SYS_TYPE_MODEM,
  857. .default_sta = PWR_DOWN,
  858. .sta_mask = 1U << 22,
  859. /* .ctl_addr = SPM_MD2_PWR_CON, */
  860. .ops = &md2_sys_ops,
  861. }, {
  862. .name = __stringify(SYS_CONN),
  863. .type = SYS_TYPE_CONN,
  864. .default_sta = PWR_DOWN,
  865. .sta_mask = 1U << 1,
  866. /* .ctl_addr = SPM_CONN_PWR_CON, */
  867. .ops = &conn_sys_ops,
  868. }, {
  869. .name = __stringify(SYS_DIS),
  870. .type = SYS_TYPE_MEDIA,
  871. .default_sta = PWR_ON,
  872. .sta_mask = 1U << 3,
  873. /* .ctl_addr = SPM_DIS_PWR_CON, */
  874. .ops = &dis_sys_ops,
  875. .start = &grps[CG_DISP0],
  876. .nr_grps = 2,
  877. .mux = &muxs[MT_MUX_MM],
  878. }, {
  879. .name = __stringify(SYS_MFG),
  880. .type = SYS_TYPE_MEDIA,
  881. .default_sta = PWR_ON,
  882. .sta_mask = 1U << 4,
  883. /* .ctl_addr = SPM_MFG_PWR_CON, */
  884. .ops = &mfg_sys_ops,
  885. .start = &grps[CG_MFG],
  886. .nr_grps = 1,
  887. .mux = &muxs[MT_MUX_MFG],
  888. }, {
  889. .name = __stringify(SYS_ISP),
  890. .type = SYS_TYPE_MEDIA,
  891. .default_sta = PWR_ON,
  892. .sta_mask = 1U << 5,
  893. /* .ctl_addr = SPM_ISP_PWR_CON, */
  894. .ops = &isp_sys_ops,
  895. .start = &grps[CG_IMAGE],
  896. .nr_grps = 1,
  897. /* .mux = &muxs[MT_MUX_SCAM], */
  898. }, {
  899. .name = __stringify(SYS_VDE),
  900. .type = SYS_TYPE_MEDIA,
  901. .default_sta = PWR_ON,
  902. .sta_mask = 1U << 7,
  903. /* .ctl_addr = SPM_VDE_PWR_CON, */
  904. .ops = &vde_sys_ops,
  905. .start = &grps[CG_VDEC0],
  906. .nr_grps = 2,
  907. .mux = &muxs[MT_MUX_VDEC],
  908. }, /*{
  909. .name = __stringify(SYS_MJC),
  910. .type = SYS_TYPE_MEDIA,
  911. .default_sta = PWR_ON,
  912. .sta_mask = 1U << 20,
  913. // .ctl_addr = SPM_MJC_PWR_CON,
  914. .ops = &mjc_sys_ops,
  915. .start = &grps[CG_MJC],
  916. .nr_grps = 1,
  917. .mux = &muxs[MT_MUX_MJC],
  918. }, */ {
  919. .name = __stringify(SYS_VEN),
  920. .type = SYS_TYPE_MEDIA,
  921. .default_sta = PWR_ON,
  922. .sta_mask = 1U << 8,
  923. /* .ctl_addr = SPM_VEN_PWR_CON, */
  924. .ops = &ven_sys_ops,
  925. .start = &grps[CG_VENC],
  926. .nr_grps = 1,
  927. /* .mux = &muxs[MT_MUX_VENC], */
  928. } /*, {
  929. .name = __stringify(SYS_AUD),
  930. .type = SYS_TYPE_MEDIA,
  931. .default_sta = PWR_ON,
  932. .sta_mask = 1U << 24,
  933. // .ctl_addr = SPM_AUDIO_PWR_CON,
  934. .ops = &aud_sys_ops,
  935. .start = &grps[CG_AUDIO],
  936. .nr_grps = 1,
  937. .mux = &muxs[MT_MUX_AUDINTBUS],
  938. } */
  939. };
  940. static void larb_backup(int larb_idx);
  941. static void larb_restore(int larb_idx);
  942. static struct subsys *id_to_sys(unsigned int id)
  943. {
  944. return id < NR_SYSS ? syss + id : NULL;
  945. }
  946. static int md1_sys_enable_op(struct subsys *sys)
  947. {
  948. int err;
  949. err = spm_mtcmos_ctrl_mdsys1(STA_POWER_ON);
  950. return err;
  951. }
  952. static int md1_sys_disable_op(struct subsys *sys)
  953. {
  954. int err;
  955. err = spm_mtcmos_ctrl_mdsys1(STA_POWER_DOWN);
  956. return err;
  957. }
  958. static int md2_sys_enable_op(struct subsys *sys)
  959. {
  960. int err;
  961. err = spm_mtcmos_ctrl_mdsys2(STA_POWER_ON);
  962. return err;
  963. }
  964. static int md2_sys_disable_op(struct subsys *sys)
  965. {
  966. int err;
  967. err = spm_mtcmos_ctrl_mdsys2(STA_POWER_DOWN);
  968. return err;
  969. }
  970. static int conn_sys_enable_op(struct subsys *sys)
  971. {
  972. int err;
  973. err = spm_mtcmos_ctrl_connsys(STA_POWER_ON);
  974. return err;
  975. }
  976. static int conn_sys_disable_op(struct subsys *sys)
  977. {
  978. int err;
  979. err = spm_mtcmos_ctrl_connsys(STA_POWER_DOWN);
  980. return err;
  981. }
  982. static int dis_sys_enable_op(struct subsys *sys)
  983. {
  984. int err;
  985. #ifdef SYS_LOG
  986. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  987. #endif
  988. err = spm_mtcmos_ctrl_disp(STA_POWER_ON);
  989. clk_writel(MMSYS_DUMMY, 0xFFFFFFFF);
  990. larb_restore(MT_LARB_DISP);
  991. return err;
  992. }
  993. static int dis_sys_disable_op(struct subsys *sys)
  994. {
  995. int err;
  996. #ifdef SYS_LOG
  997. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  998. #endif
  999. larb_backup(MT_LARB_DISP);
  1000. err = spm_mtcmos_ctrl_disp(STA_POWER_DOWN);
  1001. return err;
  1002. }
  1003. static int mfg_sys_enable_op(struct subsys *sys)
  1004. {
  1005. int err;
  1006. #ifdef SYS_LOG
  1007. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1008. #endif
  1009. /* mt_gpufreq_voltage_enable_set(1); */
  1010. /* return 0;//for debug */
  1011. /* err = spm_mtcmos_ctrl_mfg_ASYNC(STA_POWER_ON); */
  1012. err = spm_mtcmos_ctrl_mfg(STA_POWER_ON);
  1013. return err;
  1014. }
  1015. static int mfg_sys_disable_op(struct subsys *sys)
  1016. {
  1017. int err;
  1018. #ifdef SYS_LOG
  1019. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1020. #endif
  1021. /* return 0;//for debug */
  1022. err = spm_mtcmos_ctrl_mfg(STA_POWER_DOWN);
  1023. /* err = spm_mtcmos_ctrl_mfg_ASYNC(STA_POWER_DOWN); */
  1024. /* mt_gpufreq_voltage_enable_set(0); */
  1025. return err;
  1026. }
  1027. static int isp_sys_enable_op(struct subsys *sys)
  1028. {
  1029. int err;
  1030. #ifdef SYS_LOG
  1031. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1032. #endif
  1033. err = spm_mtcmos_ctrl_isp(STA_POWER_ON);
  1034. larb_restore(MT_LARB_IMG);
  1035. return err;
  1036. }
  1037. static int isp_sys_disable_op(struct subsys *sys)
  1038. {
  1039. int err;
  1040. #ifdef SYS_LOG
  1041. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1042. #endif
  1043. larb_backup(MT_LARB_IMG);
  1044. err = spm_mtcmos_ctrl_isp(STA_POWER_DOWN);
  1045. return err;
  1046. }
  1047. static int vde_sys_enable_op(struct subsys *sys)
  1048. {
  1049. int err;
  1050. #ifdef SYS_LOG
  1051. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1052. #endif
  1053. err = spm_mtcmos_ctrl_vdec(STA_POWER_ON);
  1054. larb_restore(MT_LARB_VDEC);
  1055. return err;
  1056. }
  1057. static int vde_sys_disable_op(struct subsys *sys)
  1058. {
  1059. int err;
  1060. #ifdef SYS_LOG
  1061. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1062. #endif
  1063. larb_backup(MT_LARB_VDEC);
  1064. err = spm_mtcmos_ctrl_vdec(STA_POWER_DOWN);
  1065. return err;
  1066. }
  1067. /*
  1068. static int mjc_sys_enable_op(struct subsys *sys)
  1069. {
  1070. int err;
  1071. #ifdef SYS_LOG
  1072. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1073. #endif
  1074. err = spm_mtcmos_ctrl_mjc(STA_POWER_ON);
  1075. larb_restore(MT_LARB_MJC);
  1076. return err;
  1077. }
  1078. static int mjc_sys_disable_op(struct subsys *sys)
  1079. {
  1080. int err;
  1081. #ifdef SYS_LOG
  1082. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1083. #endif
  1084. larb_backup(MT_LARB_MJC);
  1085. err = spm_mtcmos_ctrl_mjc(STA_POWER_DOWN);
  1086. return err;
  1087. }
  1088. */
  1089. static int ven_sys_enable_op(struct subsys *sys)
  1090. {
  1091. int err;
  1092. #ifdef SYS_LOG
  1093. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1094. #endif
  1095. err = spm_mtcmos_ctrl_venc(STA_POWER_ON);
  1096. larb_restore(MT_LARB_VENC);
  1097. return err;
  1098. }
  1099. static int ven_sys_disable_op(struct subsys *sys)
  1100. {
  1101. int err;
  1102. #ifdef SYS_LOG
  1103. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1104. #endif
  1105. larb_backup(MT_LARB_VENC);
  1106. err = spm_mtcmos_ctrl_venc(STA_POWER_DOWN);
  1107. return err;
  1108. }
  1109. /*
  1110. static int aud_sys_enable_op(struct subsys *sys)
  1111. {
  1112. int err;
  1113. #ifdef SYS_LOG
  1114. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1115. #endif
  1116. err = spm_mtcmos_ctrl_aud(STA_POWER_ON);
  1117. return err;
  1118. }
  1119. static int aud_sys_disable_op(struct subsys *sys)
  1120. {
  1121. int err;
  1122. #ifdef SYS_LOG
  1123. clk_info("[%s]: sys->name=%s\n", __func__, sys->name);
  1124. #endif
  1125. err = spm_mtcmos_ctrl_aud(STA_POWER_DOWN);
  1126. return err;
  1127. }
  1128. */
  1129. static int sys_get_state_op(struct subsys *sys)
  1130. {
  1131. #ifndef CONFIG_FPGA_EARLY_PORTING
  1132. unsigned int sta = clk_readl(SPM_PWR_STATUS);
  1133. unsigned int sta_s = clk_readl(SPM_PWR_STATUS_2ND);
  1134. return (sta & sys->sta_mask) && (sta_s & sys->sta_mask);
  1135. #else
  1136. return 0;
  1137. #endif
  1138. }
  1139. static int sys_dump_regs_op(struct subsys *sys, unsigned int *ptr)
  1140. {
  1141. *(ptr) = clk_readl(sys->ctl_addr);
  1142. return 1;
  1143. }
  1144. static struct subsys_ops md1_sys_ops = {
  1145. .enable = md1_sys_enable_op,
  1146. .disable = md1_sys_disable_op,
  1147. .get_state = sys_get_state_op,
  1148. .dump_regs = sys_dump_regs_op,
  1149. };
  1150. static struct subsys_ops conn_sys_ops = {
  1151. .enable = conn_sys_enable_op,
  1152. .disable = conn_sys_disable_op,
  1153. .get_state = sys_get_state_op,
  1154. .dump_regs = sys_dump_regs_op,
  1155. };
  1156. static struct subsys_ops dis_sys_ops = {
  1157. .enable = dis_sys_enable_op,
  1158. .disable = dis_sys_disable_op,
  1159. .get_state = sys_get_state_op,
  1160. .dump_regs = sys_dump_regs_op,
  1161. };
  1162. static struct subsys_ops mfg_sys_ops = {
  1163. .enable = mfg_sys_enable_op,
  1164. .disable = mfg_sys_disable_op,
  1165. .get_state = sys_get_state_op,
  1166. .dump_regs = sys_dump_regs_op,
  1167. };
  1168. static struct subsys_ops isp_sys_ops = {
  1169. .enable = isp_sys_enable_op,
  1170. .disable = isp_sys_disable_op,
  1171. .get_state = sys_get_state_op,
  1172. .dump_regs = sys_dump_regs_op,
  1173. };
  1174. static struct subsys_ops vde_sys_ops = {
  1175. .enable = vde_sys_enable_op,
  1176. .disable = vde_sys_disable_op,
  1177. .get_state = sys_get_state_op,
  1178. .dump_regs = sys_dump_regs_op,
  1179. };
  1180. /*
  1181. static struct subsys_ops mjc_sys_ops = {
  1182. .enable = mjc_sys_enable_op,
  1183. .disable = mjc_sys_disable_op,
  1184. .get_state = sys_get_state_op,
  1185. .dump_regs = sys_dump_regs_op,
  1186. };
  1187. */
  1188. static struct subsys_ops ven_sys_ops = {
  1189. .enable = ven_sys_enable_op,
  1190. .disable = ven_sys_disable_op,
  1191. .get_state = sys_get_state_op,
  1192. .dump_regs = sys_dump_regs_op,
  1193. };
  1194. /*
  1195. static struct subsys_ops aud_sys_ops = {
  1196. .enable = aud_sys_enable_op,
  1197. .disable = aud_sys_disable_op,
  1198. .get_state = sys_get_state_op,
  1199. .dump_regs = sys_dump_regs_op,
  1200. };
  1201. */
  1202. static struct subsys_ops md2_sys_ops = {
  1203. .enable = md2_sys_enable_op,
  1204. .disable = md2_sys_disable_op,
  1205. .get_state = sys_get_state_op,
  1206. .dump_regs = sys_dump_regs_op,
  1207. };
  1208. static int get_sys_state_locked(struct subsys *sys)
  1209. {
  1210. if (likely(initialized))
  1211. return sys->state;
  1212. else
  1213. return sys->ops->get_state(sys);
  1214. }
  1215. int subsys_is_on(int id)
  1216. {
  1217. int state;
  1218. unsigned long flags;
  1219. struct subsys *sys = id_to_sys(id);
  1220. #ifdef Bring_Up
  1221. return 1;
  1222. #endif
  1223. BUG_ON(!sys);
  1224. clkmgr_lock(flags);
  1225. state = get_sys_state_locked(sys);
  1226. clkmgr_unlock(flags);
  1227. return state;
  1228. }
  1229. EXPORT_SYMBOL(subsys_is_on);
  1230. /* #define STATE_CHECK_DEBUG */
  1231. static int sys_enable_locked(struct subsys *sys)
  1232. {
  1233. int err;
  1234. int local_state = sys->state; /* get_subsys_local_state(sys); */
  1235. #ifdef STATE_CHECK_DEBUG
  1236. int reg_state = sys->ops->get_state(sys); /* get_subsys_reg_state(sys); */
  1237. BUG_ON(local_state != reg_state);
  1238. #endif
  1239. #ifdef SYS_LOG
  1240. clk_info("[%s]: Start. sys->name=%s, sys->state=%d\n", __func__, sys->name, sys->state);
  1241. #endif
  1242. if (local_state == PWR_ON)
  1243. return 0;
  1244. if (sys->mux)
  1245. mux_enable_internal(sys->mux, "sys");
  1246. err = sys->ops->enable(sys);
  1247. WARN_ON(err);
  1248. if (!err)
  1249. sys->state = PWR_ON;
  1250. #ifdef SYS_LOG
  1251. clk_info("[%s]: End. sys->name=%s, sys->state=%d\n", __func__, sys->name, sys->state);
  1252. #endif
  1253. return err;
  1254. }
  1255. static int sys_disable_locked(struct subsys *sys, int force_off)
  1256. {
  1257. int err;
  1258. int local_state = sys->state; /* get_subsys_local_state(sys); */
  1259. int i;
  1260. struct cg_grp *grp;
  1261. #ifdef STATE_CHECK_DEBUG
  1262. int reg_state = sys->ops->get_state(sys); /* get_subsys_reg_state(sys); */
  1263. BUG_ON(local_state != reg_state);
  1264. #endif
  1265. #ifdef SYS_LOG
  1266. clk_info("[%s]: Start. sys->name=%s, sys->state=%d, force_off=%d\n", __func__, sys->name,
  1267. sys->state, force_off);
  1268. #endif
  1269. if (!force_off) {
  1270. /* could be power off or not */
  1271. for (i = 0; i < sys->nr_grps; i++) {
  1272. grp = sys->start + i;
  1273. if (grp->state)
  1274. return 0;
  1275. }
  1276. }
  1277. if (local_state == PWR_DOWN)
  1278. return 0;
  1279. err = sys->ops->disable(sys);
  1280. WARN_ON(err);
  1281. if (!err)
  1282. sys->state = PWR_DOWN;
  1283. if (sys->mux)
  1284. mux_disable_internal(sys->mux, "sys");
  1285. #ifdef SYS_LOG
  1286. clk_info("[%s]: End. sys->name=%s, sys->state=%d, force_off=%d\n", __func__, sys->name,
  1287. sys->state, force_off);
  1288. #endif
  1289. return err;
  1290. }
  1291. int enable_subsys(int id, char *name)
  1292. {
  1293. int err;
  1294. unsigned long flags;
  1295. struct subsys *sys = id_to_sys(id);
  1296. #ifdef Bring_Up
  1297. return 0;
  1298. #endif
  1299. BUG_ON(!initialized);
  1300. BUG_ON(!sys);
  1301. clkmgr_lock(flags);
  1302. err = subsys_enable_internal(sys, name);
  1303. clkmgr_unlock(flags);
  1304. return err;
  1305. }
  1306. EXPORT_SYMBOL(enable_subsys);
  1307. int disable_subsys(int id, char *name)
  1308. {
  1309. int err;
  1310. unsigned long flags;
  1311. struct subsys *sys = id_to_sys(id);
  1312. #ifdef Bring_Up
  1313. return 0;
  1314. #endif
  1315. BUG_ON(!initialized);
  1316. BUG_ON(!sys);
  1317. clkmgr_lock(flags);
  1318. err = subsys_disable_internal(sys, 0, name);
  1319. clkmgr_unlock(flags);
  1320. return err;
  1321. }
  1322. EXPORT_SYMBOL(disable_subsys);
  1323. int disable_subsys_force(int id, char *name)
  1324. {
  1325. int err;
  1326. unsigned long flags;
  1327. struct subsys *sys = id_to_sys(id);
  1328. BUG_ON(!initialized);
  1329. BUG_ON(!sys);
  1330. clkmgr_lock(flags);
  1331. err = subsys_disable_internal(sys, 1, name);
  1332. clkmgr_unlock(flags);
  1333. return err;
  1334. }
  1335. int subsys_dump_regs(int id, unsigned int *ptr)
  1336. {
  1337. struct subsys *sys = id_to_sys(id);
  1338. #if defined(CONFIG_MTK_CLKMGR)
  1339. #ifdef Bring_Up
  1340. return 0;
  1341. #endif
  1342. #endif /* defined(CONFIG_MTK_CLKMGR) */
  1343. BUG_ON(!initialized);
  1344. BUG_ON(!sys);
  1345. return sys->ops->dump_regs(sys, ptr);
  1346. }
  1347. EXPORT_SYMBOL(subsys_dump_regs);
  1348. const char *subsys_get_name(int id)
  1349. {
  1350. struct subsys *sys = id_to_sys(id);
  1351. BUG_ON(!initialized);
  1352. BUG_ON(!sys);
  1353. return sys->name;
  1354. }
  1355. #define JIFFIES_PER_LOOP 10
  1356. int md_power_on(int id)
  1357. {
  1358. int err = 0;
  1359. unsigned long flags;
  1360. struct subsys *sys = id_to_sys(id);
  1361. #ifdef Bring_Up
  1362. #if !defined(CONFIG_MTK_FPGA)
  1363. if (id == SYS_MD1)
  1364. spm_mtcmos_ctrl_mdsys1(STA_POWER_ON);
  1365. else
  1366. spm_mtcmos_ctrl_mdsys2(STA_POWER_ON);
  1367. clk_info("[%s]: id = %d\n", __func__, id);
  1368. #endif
  1369. return 0;
  1370. #endif
  1371. BUG_ON(!initialized);
  1372. BUG_ON(!sys);
  1373. BUG_ON(sys->type != SYS_TYPE_MODEM);
  1374. clkmgr_lock(flags);
  1375. err = subsys_enable_internal(sys, "md");
  1376. /*
  1377. if(id == 0)
  1378. spm_mtcmos_ctrl_mdsys1(STA_POWER_ON);
  1379. else
  1380. spm_mtcmos_ctrl_mdsys2(STA_POWER_ON);
  1381. */
  1382. clkmgr_unlock(flags);
  1383. clk_info("[%s]: id = %d\n", __func__, id);
  1384. WARN_ON(err);
  1385. return err;
  1386. }
  1387. EXPORT_SYMBOL(md_power_on);
  1388. #ifndef Bring_Up
  1389. static bool(*spm_md_sleep[])(void) = {
  1390. spm_is_md1_sleep,
  1391. spm_is_md2_sleep,
  1392. };
  1393. #endif
  1394. int md_power_off(int id, unsigned int timeout)
  1395. {
  1396. int err = 0;
  1397. int cnt;
  1398. bool slept = 1;
  1399. unsigned long flags;
  1400. struct subsys *sys = id_to_sys(id);
  1401. #ifdef Bring_Up
  1402. #if !defined(CONFIG_MTK_FPGA)
  1403. if (id == SYS_MD1)
  1404. spm_mtcmos_ctrl_mdsys1(STA_POWER_DOWN);
  1405. else
  1406. spm_mtcmos_ctrl_mdsys2(STA_POWER_DOWN);
  1407. #endif
  1408. return 0;
  1409. #endif
  1410. BUG_ON(!initialized);
  1411. BUG_ON(!sys);
  1412. BUG_ON(sys->type != SYS_TYPE_MODEM);
  1413. /* 0: not sleep, 1: sleep */
  1414. #ifndef Bring_Up
  1415. slept = spm_md_sleep[id] ();
  1416. #endif
  1417. cnt = (timeout + JIFFIES_PER_LOOP - 1) / JIFFIES_PER_LOOP;
  1418. while (!slept && cnt--) {
  1419. msleep(MSEC_PER_SEC / JIFFIES_PER_LOOP);
  1420. #ifndef Bring_Up
  1421. slept = spm_md_sleep[id] ();
  1422. #endif
  1423. if (slept)
  1424. break;
  1425. }
  1426. clkmgr_lock(flags);
  1427. err = subsys_disable_internal(sys, 0, "md");
  1428. /*
  1429. if(id == 0)
  1430. spm_mtcmos_ctrl_mdsys1(STA_POWER_DOWN);
  1431. else
  1432. spm_mtcmos_ctrl_mdsys2(STA_POWER_DOWN);
  1433. */
  1434. clkmgr_unlock(flags);
  1435. clk_info("[%s]: id = %d\n", __func__, id);
  1436. WARN_ON(err);
  1437. return !slept;
  1438. }
  1439. EXPORT_SYMBOL(md_power_off);
  1440. int conn_power_on(void)
  1441. {
  1442. int err = 0;
  1443. unsigned long flags;
  1444. struct subsys *sys = id_to_sys(SYS_CONN);
  1445. #ifdef Bring_Up
  1446. #if !defined(CONFIG_MTK_CLKMGR)
  1447. return 0;
  1448. #endif /* !defined(CONFIG_MTK_CLKMGR) */
  1449. #if !defined(CONFIG_MTK_FPGA)
  1450. spm_mtcmos_ctrl_connsys(STA_POWER_ON);
  1451. #endif
  1452. return 0;
  1453. #endif
  1454. BUG_ON(!initialized);
  1455. BUG_ON(!sys);
  1456. BUG_ON(sys->type != SYS_TYPE_CONN);
  1457. clkmgr_lock(flags);
  1458. /* spm_mtcmos_ctrl_connsys(STA_POWER_ON); */
  1459. err = subsys_enable_internal(sys, "conn");
  1460. clkmgr_unlock(flags);
  1461. clk_info("[%s]\n", __func__);
  1462. WARN_ON(err);
  1463. return err;
  1464. }
  1465. EXPORT_SYMBOL(conn_power_on);
  1466. int conn_power_off(void)
  1467. {
  1468. int err = 0;
  1469. unsigned long flags;
  1470. struct subsys *sys = id_to_sys(SYS_CONN);
  1471. #ifdef Bring_Up
  1472. #if !defined(CONFIG_MTK_CLKMGR)
  1473. return 0;
  1474. #endif /* !defined(CONFIG_MTK_CLKMGR) */
  1475. #if !defined(CONFIG_MTK_FPGA)
  1476. spm_mtcmos_ctrl_connsys(STA_POWER_DOWN);
  1477. #endif
  1478. return 0;
  1479. #endif
  1480. BUG_ON(!initialized);
  1481. BUG_ON(!sys);
  1482. BUG_ON(sys->type != SYS_TYPE_CONN);
  1483. clkmgr_lock(flags);
  1484. /* spm_mtcmos_ctrl_connsys(STA_POWER_DOWN); */
  1485. err = subsys_disable_internal(sys, 0, "conn");
  1486. clkmgr_unlock(flags);
  1487. clk_info("[%s]\n", __func__);
  1488. WARN_ON(err);
  1489. return err;
  1490. }
  1491. EXPORT_SYMBOL(conn_power_off);
  1492. static DEFINE_MUTEX(larb_monitor_lock);
  1493. static LIST_HEAD(larb_monitor_handlers);
  1494. void register_larb_monitor(struct larb_monitor *handler)
  1495. {
  1496. struct list_head *pos;
  1497. #ifdef Bring_Up
  1498. return;
  1499. #endif
  1500. clk_info("register_larb_monitor\n");
  1501. mutex_lock(&larb_monitor_lock);
  1502. list_for_each(pos, &larb_monitor_handlers) {
  1503. struct larb_monitor *l;
  1504. l = list_entry(pos, struct larb_monitor, link);
  1505. if (l->level > handler->level)
  1506. break;
  1507. }
  1508. list_add_tail(&handler->link, pos);
  1509. mutex_unlock(&larb_monitor_lock);
  1510. }
  1511. EXPORT_SYMBOL(register_larb_monitor);
  1512. void unregister_larb_monitor(struct larb_monitor *handler)
  1513. {
  1514. #ifdef Bring_Up
  1515. return;
  1516. #endif
  1517. mutex_lock(&larb_monitor_lock);
  1518. list_del(&handler->link);
  1519. mutex_unlock(&larb_monitor_lock);
  1520. }
  1521. EXPORT_SYMBOL(unregister_larb_monitor);
  1522. static void larb_clk_prepare(int larb_idx)
  1523. {
  1524. switch (larb_idx) {
  1525. case MT_LARB_DISP:
  1526. /* display */
  1527. clk_writel(DISP_CG_CLR0, 0x3);
  1528. break;
  1529. case MT_LARB_VDEC:
  1530. /* vde */
  1531. clk_writel(LARB_CKEN_SET, 0x1);
  1532. break;
  1533. case MT_LARB_IMG:
  1534. /* isp */
  1535. clk_writel(IMG_CG_CLR, 0x1);
  1536. break;
  1537. case MT_LARB_VENC:
  1538. /* venc */
  1539. clk_writel(VENC_CG_SET, 0x11);
  1540. break;
  1541. /* case MT_LARB_MJC: */
  1542. /* mjc */
  1543. /* clk_writel(MJC_CG_CLR, 0x21); */
  1544. /* break; */
  1545. default:
  1546. BUG();
  1547. }
  1548. }
  1549. static void larb_clk_finish(int larb_idx)
  1550. {
  1551. switch (larb_idx) {
  1552. case MT_LARB_DISP:
  1553. /* display */
  1554. clk_writel(DISP_CG_SET0, 0x3);
  1555. break;
  1556. case MT_LARB_VDEC:
  1557. /* vde */
  1558. clk_writel(LARB_CKEN_CLR, 0x1);
  1559. break;
  1560. case MT_LARB_IMG:
  1561. /* isp */
  1562. clk_writel(IMG_CG_SET, 0x1);
  1563. break;
  1564. case MT_LARB_VENC:
  1565. /* venc */
  1566. clk_writel(VENC_CG_CLR, 0x11);
  1567. break;
  1568. /* case MT_LARB_MJC: */
  1569. /* mjc */
  1570. /* clk_writel(MJC_CG_SET, 0x21); */
  1571. /* break; */
  1572. default:
  1573. BUG();
  1574. }
  1575. }
  1576. static void larb_backup(int larb_idx)
  1577. {
  1578. struct larb_monitor *pos;
  1579. /* clk_info("[%s]: start to backup larb%d\n", __func__, larb_idx); */
  1580. clk_dbg("[%s]: backup larb%d\n", __func__, larb_idx);
  1581. larb_clk_prepare(larb_idx);
  1582. list_for_each_entry(pos, &larb_monitor_handlers, link) {
  1583. if (pos->backup != NULL) {
  1584. /* clk_info("[%s]: backup larb\n", __func__); */
  1585. pos->backup(pos, larb_idx);
  1586. }
  1587. }
  1588. larb_clk_finish(larb_idx);
  1589. }
  1590. static void larb_restore(int larb_idx)
  1591. {
  1592. struct larb_monitor *pos;
  1593. /* clk_info("[%s]: start to restore larb%d\n", __func__, larb_idx); */
  1594. clk_dbg("[%s]: restore larb%d\n", __func__, larb_idx);
  1595. larb_clk_prepare(larb_idx);
  1596. list_for_each_entry(pos, &larb_monitor_handlers, link) {
  1597. if (pos->restore != NULL) {
  1598. /* clk_info("[%s]: restore larb\n", __func__); */
  1599. pos->restore(pos, larb_idx);
  1600. }
  1601. }
  1602. larb_clk_finish(larb_idx);
  1603. }
  1604. /************************************************
  1605. ********** clkmux part **********
  1606. ************************************************/
  1607. static struct clkmux_ops clkmux_ops;
  1608. static struct clkmux_ops audio_clkmux_ops;
  1609. /* static struct clkmux_ops hd_audio_clkmux_ops; */
  1610. static struct clkmux muxs[NR_MUXS] = {
  1611. {
  1612. .name = __stringify(MUX_MM), /* 0 */
  1613. /* .base_addr = CLK_CFG_0, */
  1614. .sel_mask = 0x07000000,
  1615. .pdn_mask = 0x80000000,
  1616. .offset = 24,
  1617. .nr_inputs = 8,
  1618. .ops = &clkmux_ops,
  1619. .pll = &plls[VENCPLL],
  1620. }, {
  1621. .name = __stringify(MUX_DDRPHY), /* 1 */
  1622. /* .base_addr = CLK_CFG_0, */
  1623. .sel_mask = 0x00010000,
  1624. .pdn_mask = 0x00800000,
  1625. .offset = 16,
  1626. .nr_inputs = 2,
  1627. .ops = &clkmux_ops,
  1628. }, {
  1629. .name = __stringify(MUX_MEM), /* 2 */
  1630. /* .base_addr = CLK_CFG_0, */
  1631. .sel_mask = 0x00000100,
  1632. .pdn_mask = 0x00008000,
  1633. .offset = 8,
  1634. .nr_inputs = 2,
  1635. .ops = &clkmux_ops,
  1636. }, {
  1637. .name = __stringify(MUX_AXI), /* 3 */
  1638. /* .base_addr = CLK_CFG_0, */
  1639. .sel_mask = 0x00000007,
  1640. .pdn_mask = 0x00000080,
  1641. .offset = 0,
  1642. .nr_inputs = 8,
  1643. .ops = &clkmux_ops,
  1644. }, {
  1645. .name = __stringify(MUX_CAMTG), /* 4 */
  1646. /* .base_addr = CLK_CFG_1, */
  1647. .sel_mask = 0x07000000,
  1648. .pdn_mask = 0x80000000,
  1649. .offset = 24,
  1650. .nr_inputs = 7,
  1651. .ops = &clkmux_ops,
  1652. .pll = &plls[UNIVPLL],
  1653. }, {
  1654. .name = __stringify(MUX_MFG), /* 5 */
  1655. /* .base_addr = CLK_CFG_1, */
  1656. .sel_mask = 0x000f0000,
  1657. .pdn_mask = 0x00800000,
  1658. .offset = 16,
  1659. .nr_inputs = 14,
  1660. .ops = &clkmux_ops,
  1661. .siblings = &muxs[MT_MUX_MFG13M],
  1662. .pll = &plls[MMPLL],
  1663. }, {
  1664. .name = __stringify(MUX_VDEC), /* 6 */
  1665. /* .base_addr = CLK_CFG_1, */
  1666. .sel_mask = 0x00000700,
  1667. .pdn_mask = 0x00008000,
  1668. .offset = 8,
  1669. .nr_inputs = 8,
  1670. .ops = &clkmux_ops,
  1671. }, {
  1672. .name = __stringify(MUX_PWM), /* 7 */
  1673. /* .base_addr = CLK_CFG_1, */
  1674. .sel_mask = 0x00000003,
  1675. .pdn_mask = 0x00000080,
  1676. .offset = 0,
  1677. .nr_inputs = 4,
  1678. .ops = &clkmux_ops,
  1679. }, {
  1680. .name = __stringify(MUX_MSDC50_0), /* 8 */
  1681. /* .base_addr = CLK_CFG_2, */
  1682. .sel_mask = 0x07000000,
  1683. .pdn_mask = 0x80000000,
  1684. .offset = 24,
  1685. .nr_inputs = 6,
  1686. .ops = &clkmux_ops,
  1687. /* .pll = &plls[MSDCPLL], */
  1688. }, {
  1689. .name = __stringify(MUX_USB20), /* 9 */
  1690. /* .base_addr = CLK_CFG_2, */
  1691. .sel_mask = 0x00030000,
  1692. .pdn_mask = 0x00800000,
  1693. .offset = 16,
  1694. .nr_inputs = 3,
  1695. .ops = &clkmux_ops,
  1696. .pll = &plls[UNIVPLL],
  1697. }, {
  1698. .name = __stringify(MUX_SPI), /* 10 */
  1699. /* .base_addr = CLK_CFG_2, */
  1700. .sel_mask = 0x00000700,
  1701. .pdn_mask = 0x00008000,
  1702. .offset = 8,
  1703. .nr_inputs = 7,
  1704. .ops = &clkmux_ops,
  1705. }, {
  1706. .name = __stringify(MUX_UART), /* 11 */
  1707. /* .base_addr = CLK_CFG_2, */
  1708. .sel_mask = 0x00000001,
  1709. .pdn_mask = 0x00000080,
  1710. .offset = 0,
  1711. .nr_inputs = 2,
  1712. .ops = &clkmux_ops,
  1713. }, {
  1714. .name = __stringify(MUX_MSDC30_3), /* 12 */
  1715. /* .base_addr = CLK_CFG_3, */
  1716. .sel_mask = 0x0f000000,
  1717. .pdn_mask = 0x80000000,
  1718. .offset = 24,
  1719. .nr_inputs = 9,
  1720. .ops = &clkmux_ops,
  1721. .pll = &plls[MSDCPLL],
  1722. }, {
  1723. .name = __stringify(MUX_MSDC30_2), /* 13 */
  1724. /* .base_addr = CLK_CFG_3, */
  1725. .sel_mask = 0x00070000,
  1726. .pdn_mask = 0x00800000,
  1727. .offset = 16,
  1728. .nr_inputs = 8,
  1729. .ops = &clkmux_ops,
  1730. .pll = &plls[MSDCPLL],
  1731. }, {
  1732. .name = __stringify(MUX_MSDC30_1), /* 14 */
  1733. /* .base_addr = CLK_CFG_3, */
  1734. .sel_mask = 0x00000700,
  1735. .pdn_mask = 0x00008000,
  1736. .offset = 8,
  1737. .nr_inputs = 8,
  1738. .ops = &clkmux_ops,
  1739. .pll = &plls[MSDCPLL],
  1740. }, {
  1741. .name = __stringify(MUX_MSDC30_0), /* 15 */
  1742. /* .base_addr = CLK_CFG_3, */
  1743. .sel_mask = 0x0000000f,
  1744. .pdn_mask = 0x00000080,
  1745. .offset = 0,
  1746. .nr_inputs = 11,
  1747. .ops = &clkmux_ops,
  1748. .siblings = &muxs[MT_MUX_MSDC50_0],
  1749. .pll = &plls[MSDCPLL],
  1750. }, {
  1751. .name = __stringify(MUX_SCP), /* 16 */
  1752. /* .base_addr = CLK_CFG_4, */
  1753. .sel_mask = 0x03000000,
  1754. .pdn_mask = 0x80000000,
  1755. .offset = 24,
  1756. .nr_inputs = 4,
  1757. .ops = &clkmux_ops,
  1758. }, {
  1759. .name = __stringify(MUX_PMICSPI), /* 17 */
  1760. /* .base_addr = CLK_CFG_4, */
  1761. .sel_mask = 0x00070000,
  1762. .pdn_mask = 0x00800000,
  1763. .offset = 16,
  1764. .nr_inputs = 8,
  1765. .ops = &clkmux_ops,
  1766. }, {
  1767. .name = __stringify(MUX_AUDINTBUS), /* 18 */
  1768. /* .base_addr = CLK_CFG_4, */
  1769. .sel_mask = 0x00000300,
  1770. .pdn_mask = 0x00008000,
  1771. .offset = 8,
  1772. .nr_inputs = 4,
  1773. .ops = &audio_clkmux_ops,
  1774. .siblings = &muxs[MT_MUX_AUDIO],
  1775. }, {
  1776. .name = __stringify(MUX_AUDIO), /* 19 */
  1777. /* .base_addr = CLK_CFG_4, */
  1778. .sel_mask = 0x00000003,
  1779. .pdn_mask = 0x00000080,
  1780. .offset = 0,
  1781. .nr_inputs = 4,
  1782. .ops = &audio_clkmux_ops,
  1783. }, {
  1784. .name = __stringify(MUX_MFG13M), /* 20 */
  1785. /* .base_addr = CLK_CFG_5, */
  1786. .sel_mask = 0x01000000,
  1787. .pdn_mask = 0x80000000,
  1788. .offset = 24,
  1789. .nr_inputs = 2,
  1790. .ops = &clkmux_ops,
  1791. }, {
  1792. .name = __stringify(MUX_SCAM), /* 21 */
  1793. /* .base_addr = CLK_CFG_5, */
  1794. .sel_mask = 0x00030000,
  1795. .pdn_mask = 0x00800000,
  1796. .offset = 16,
  1797. .nr_inputs = 4,
  1798. .ops = &clkmux_ops,
  1799. /* .pll = &plls[UNIVPLL], */
  1800. }, {
  1801. .name = __stringify(MUX_DPI0), /* 22 */
  1802. /* .base_addr = CLK_CFG_5, */
  1803. .sel_mask = 0x00000700,
  1804. .pdn_mask = 0x00008000,
  1805. .offset = 8,
  1806. .nr_inputs = 5,
  1807. .ops = &clkmux_ops,
  1808. .pll = &plls[TVDPLL],
  1809. }, {
  1810. .name = __stringify(MUX_ATB), /* 23 */
  1811. /* .base_addr = CLK_CFG_5, */
  1812. .sel_mask = 0x00000003,
  1813. .pdn_mask = 0x00000080,
  1814. .offset = 0,
  1815. .nr_inputs = 4,
  1816. .ops = &clkmux_ops,
  1817. }, {
  1818. .name = __stringify(MUX_IRTX), /* 24 */
  1819. /* .base_addr = CLK_CFG_6, */
  1820. .sel_mask = 0x01000000,
  1821. .pdn_mask = 0x80000000,
  1822. .offset = 24,
  1823. .nr_inputs = 2,
  1824. .ops = &clkmux_ops,
  1825. }, {
  1826. .name = __stringify(MUX_IRDA), /* 25 */
  1827. /* .base_addr = CLK_CFG_6, */
  1828. .sel_mask = 0x00010000,
  1829. .pdn_mask = 0x00800000,
  1830. .offset = 16,
  1831. .nr_inputs = 2,
  1832. .ops = &clkmux_ops,
  1833. .pll = &plls[UNIVPLL],
  1834. }, {
  1835. .name = __stringify(MUX_AUD2), /* 26 */
  1836. /* .base_addr = CLK_CFG_6, */
  1837. .sel_mask = 0x00000100,
  1838. .pdn_mask = 0x00008000,
  1839. .offset = 8,
  1840. .nr_inputs = 2,
  1841. .ops = &clkmux_ops,
  1842. .pll = &plls[APLL2],
  1843. }, {
  1844. .name = __stringify(MUX_AUD1), /* 27 */
  1845. /* .base_addr = CLK_CFG_6, */
  1846. .sel_mask = 0x00000001,
  1847. .pdn_mask = 0x00000080,
  1848. .offset = 0,
  1849. .nr_inputs = 2,
  1850. .ops = &clkmux_ops,
  1851. .pll = &plls[APLL1],
  1852. }, {
  1853. .name = __stringify(MUX_DISPPWM), /* 28 */
  1854. /* .base_addr = CLK_CFG_7, */
  1855. .sel_mask = 0x00000003,
  1856. .pdn_mask = 0x00000080,
  1857. .offset = 0,
  1858. .nr_inputs = 4,
  1859. .ops = &clkmux_ops,
  1860. .pll = &plls[UNIVPLL],
  1861. }
  1862. };
  1863. static struct clkmux *id_to_mux(unsigned int id)
  1864. {
  1865. return id < NR_MUXS ? muxs + id : NULL;
  1866. }
  1867. #define mux_to_id(mux) (mux-muxs)
  1868. static void clkmux_sel_op(struct clkmux *mux, unsigned clksrc)
  1869. {
  1870. /* volatile unsigned int reg; */
  1871. unsigned int id;
  1872. id = mux_to_id(mux);
  1873. #ifdef MUX_LOG_TOP
  1874. /* clk_info("[%s]: mux->name=%s, clksrc=%d\n", __func__, mux->name, clksrc); */
  1875. clk_dbg("[%s]: mux->name=%s, clksrc=%d\n", __func__, mux->name, clksrc);
  1876. #endif
  1877. #if 0
  1878. reg = clk_readl(mux->base_addr);
  1879. reg &= ~(mux->sel_mask);
  1880. reg |= (clksrc << mux->offset) & mux->sel_mask;
  1881. clk_writel(mux->base_addr, reg);
  1882. #else
  1883. clk_writel(mux->base_addr + 8, mux->sel_mask); /* clr */
  1884. clk_writel(mux->base_addr + 4, (clksrc << mux->offset)); /* set */
  1885. if (id == MT_MUX_AXI) {
  1886. if (clksrc == 2)
  1887. clk_clrl(PERI_GLOBALCON_CKSEL, 1); /* 218M, bit 0 set 0 */
  1888. else
  1889. clk_setl(PERI_GLOBALCON_CKSEL, 1); /* 136M, bit 0 set 1 */
  1890. }
  1891. #ifdef CONFIG_MTK_RAM_CONSOLE
  1892. if (id < 4)
  1893. aee_rr_rec_clk(0, clk_readl(mux->base_addr));
  1894. else if (id < 8)
  1895. aee_rr_rec_clk(1, clk_readl(mux->base_addr));
  1896. else if (id < 12)
  1897. aee_rr_rec_clk(2, clk_readl(mux->base_addr));
  1898. else if (id < 16)
  1899. aee_rr_rec_clk(3, clk_readl(mux->base_addr));
  1900. else if (id < 20)
  1901. aee_rr_rec_clk(4, clk_readl(mux->base_addr));
  1902. else if (id < 24)
  1903. aee_rr_rec_clk(5, clk_readl(mux->base_addr));
  1904. else if (id < 28)
  1905. aee_rr_rec_clk(6, clk_readl(mux->base_addr));
  1906. else if (id < 32)
  1907. aee_rr_rec_clk(7, clk_readl(mux->base_addr));
  1908. #endif
  1909. #endif
  1910. }
  1911. static void clkmux_enable_op(struct clkmux *mux)
  1912. {
  1913. unsigned int id;
  1914. id = mux_to_id(mux);
  1915. #ifdef MUX_LOG
  1916. /* clk_info("[%s]: mux->name=%s\n", __func__, mux->name); */
  1917. clk_dbg("[%s]: mux->name=%s\n", __func__, mux->name);
  1918. #endif
  1919. #if 0
  1920. clk_clrl(mux->base_addr, mux->pdn_mask);
  1921. #else
  1922. clk_writel(mux->base_addr + 8, mux->pdn_mask); /* write clr reg */
  1923. #ifdef CONFIG_MTK_RAM_CONSOLE
  1924. if (id < 4)
  1925. aee_rr_rec_clk(0, clk_readl(mux->base_addr));
  1926. else if (id < 8)
  1927. aee_rr_rec_clk(1, clk_readl(mux->base_addr));
  1928. else if (id < 12)
  1929. aee_rr_rec_clk(2, clk_readl(mux->base_addr));
  1930. else if (id < 16)
  1931. aee_rr_rec_clk(3, clk_readl(mux->base_addr));
  1932. else if (id < 20)
  1933. aee_rr_rec_clk(4, clk_readl(mux->base_addr));
  1934. else if (id < 24)
  1935. aee_rr_rec_clk(5, clk_readl(mux->base_addr));
  1936. else if (id < 28)
  1937. aee_rr_rec_clk(6, clk_readl(mux->base_addr));
  1938. else if (id < 32)
  1939. aee_rr_rec_clk(7, clk_readl(mux->base_addr));
  1940. #endif
  1941. #endif
  1942. }
  1943. static void clkmux_disable_op(struct clkmux *mux)
  1944. {
  1945. unsigned int id;
  1946. id = mux_to_id(mux);
  1947. #ifdef MUX_LOG
  1948. /* clk_info("[%s]: mux->name=%s\n", __func__, mux->name); */
  1949. clk_dbg("[%s]: mux->name=%s\n", __func__, mux->name);
  1950. #endif
  1951. #if 0
  1952. clk_setl(mux->base_addr, mux->pdn_mask);
  1953. #else
  1954. clk_writel(mux->base_addr + 4, mux->pdn_mask); /* write set reg */
  1955. #ifdef CONFIG_MTK_RAM_CONSOLE
  1956. if (id < 4)
  1957. aee_rr_rec_clk(0, clk_readl(mux->base_addr));
  1958. else if (id < 8)
  1959. aee_rr_rec_clk(1, clk_readl(mux->base_addr));
  1960. else if (id < 12)
  1961. aee_rr_rec_clk(2, clk_readl(mux->base_addr));
  1962. else if (id < 16)
  1963. aee_rr_rec_clk(3, clk_readl(mux->base_addr));
  1964. else if (id < 20)
  1965. aee_rr_rec_clk(4, clk_readl(mux->base_addr));
  1966. else if (id < 24)
  1967. aee_rr_rec_clk(5, clk_readl(mux->base_addr));
  1968. else if (id < 28)
  1969. aee_rr_rec_clk(6, clk_readl(mux->base_addr));
  1970. else if (id < 32)
  1971. aee_rr_rec_clk(7, clk_readl(mux->base_addr));
  1972. #endif
  1973. #endif
  1974. }
  1975. static struct clkmux_ops clkmux_ops = {
  1976. .sel = clkmux_sel_op,
  1977. .enable = clkmux_enable_op,
  1978. .disable = clkmux_disable_op,
  1979. };
  1980. /*
  1981. static struct clkmux_ops hd_audio_clkmux_ops = {
  1982. .enable = clkmux_enable_op,
  1983. .disable = clkmux_disable_op,
  1984. };
  1985. */
  1986. /*
  1987. static void audio_clkmux_enable_op(struct clkmux *mux)
  1988. {
  1989. #ifdef MUX_LOG
  1990. clk_dbg("[%s]: mux->name=%s\n", __func__, mux->name);
  1991. #endif
  1992. clk_clrl(mux->base_addr, mux->pdn_mask);
  1993. };
  1994. */
  1995. static struct clkmux_ops audio_clkmux_ops = {
  1996. .sel = clkmux_sel_op,
  1997. /* .enable = audio_clkmux_enable_op, */
  1998. .enable = clkmux_enable_op,
  1999. .disable = clkmux_disable_op,
  2000. };
  2001. static void clkmux_sel_locked(struct clkmux *mux, unsigned int clksrc)
  2002. {
  2003. mux->ops->sel(mux, clksrc);
  2004. }
  2005. static void mux_enable_locked(struct clkmux *mux)
  2006. {
  2007. mux->cnt++;
  2008. #ifdef MUX_LOG_TOP
  2009. clk_info("[%s]: Start. mux->name=%s, mux->cnt=%d\n", __func__, mux->name, mux->cnt);
  2010. #endif
  2011. if (mux->cnt > 1)
  2012. return;
  2013. if (mux->pll)
  2014. pll_enable_internal(mux->pll, "mux");
  2015. /* if (mux->parent) { */
  2016. /* mux_enable_internal(mux->parent, "mux_p"); */
  2017. /* } */
  2018. if (mux->ops)
  2019. mux->ops->enable(mux);
  2020. if (mux->siblings)
  2021. mux_enable_internal(mux->siblings, "mux_s");
  2022. #ifdef MUX_LOG_TOP
  2023. clk_info("[%s]: End. mux->name=%s, mux->cnt=%d\n", __func__, mux->name, mux->cnt);
  2024. #endif
  2025. }
  2026. static void mux_disable_locked(struct clkmux *mux)
  2027. {
  2028. #ifdef MUX_LOG_TOP
  2029. clk_info("[%s]: Start. mux->name=%s, mux->cnt=%d\n", __func__, mux->name, mux->cnt);
  2030. #endif
  2031. BUG_ON(!mux->cnt);
  2032. mux->cnt--;
  2033. #ifdef MUX_LOG_TOP
  2034. clk_info("[%s]: Start. mux->name=%s, mux->cnt=%d\n", __func__, mux->name, mux->cnt);
  2035. #endif
  2036. if (mux->cnt > 0)
  2037. return;
  2038. if (mux->ops)
  2039. mux->ops->disable(mux);
  2040. if (mux->siblings)
  2041. mux_disable_internal(mux->siblings, "mux_s");
  2042. /* if (mux->parent) { */
  2043. /* mux_disable_internal(mux->siblings, "mux_p"); */
  2044. /* } */
  2045. if (mux->pll)
  2046. pll_disable_internal(mux->pll, "mux");
  2047. #ifdef MUX_LOG_TOP
  2048. clk_info("[%s]: End. mux->name=%s, mux->cnt=%d\n", __func__, mux->name, mux->cnt);
  2049. #endif
  2050. }
  2051. int clkmux_sel(int id, unsigned int clksrc, char *name)
  2052. {
  2053. unsigned long flags;
  2054. struct clkmux *mux = id_to_mux(id);
  2055. #ifdef Bring_Up
  2056. #if MT_CCF_BRINGUP
  2057. unsigned int reg;
  2058. if (id == MT_MUX_CAMTG) {
  2059. reg = clk_readl(CLK_CFG_1);
  2060. reg &= ~(0x07000000);
  2061. reg |= (clksrc << 24) & 0x07000000;
  2062. clk_writel(CLK_CFG_1, reg);
  2063. } else if (id == MT_MUX_DPI0) {
  2064. reg = clk_readl(CLK_CFG_5);
  2065. reg &= ~(0x00000700);
  2066. reg |= (clksrc << 8) & 0x00000700;
  2067. clk_writel(CLK_CFG_5, reg);
  2068. }
  2069. #endif /* MT_CCF_BRINGUP */
  2070. return 0;
  2071. #endif
  2072. BUG_ON(!initialized);
  2073. BUG_ON(!mux);
  2074. BUG_ON(clksrc >= mux->nr_inputs);
  2075. clkmgr_lock(flags);
  2076. clkmux_sel_locked(mux, clksrc);
  2077. clkmgr_unlock(flags);
  2078. return 0;
  2079. }
  2080. EXPORT_SYMBOL(clkmux_sel);
  2081. void enable_mux(int id, char *name)
  2082. {
  2083. unsigned long flags;
  2084. struct clkmux *mux = id_to_mux(id);
  2085. #ifdef Bring_Up
  2086. return;
  2087. #endif
  2088. #ifndef PLL_CLK_LINK
  2089. return;
  2090. #endif
  2091. BUG_ON(!initialized);
  2092. BUG_ON(!mux);
  2093. BUG_ON(!name);
  2094. #ifdef MUX_LOG_TOP
  2095. clk_info("[%s]: id=%d, name=%s\n", __func__, id, name);
  2096. /* #else */
  2097. /* if(id == MT_MUX_MM) */
  2098. /* clk_info("[%s]: id=%d, name=%s\n", __func__, id, name); */
  2099. #endif
  2100. clkmgr_lock(flags);
  2101. mux_enable_internal(mux, name);
  2102. clkmgr_unlock(flags);
  2103. }
  2104. EXPORT_SYMBOL(enable_mux);
  2105. void disable_mux(int id, char *name)
  2106. {
  2107. unsigned long flags;
  2108. struct clkmux *mux = id_to_mux(id);
  2109. #ifdef Bring_Up
  2110. return;
  2111. #endif
  2112. #ifndef PLL_CLK_LINK
  2113. return;
  2114. #endif
  2115. BUG_ON(!initialized);
  2116. BUG_ON(!mux);
  2117. BUG_ON(!name);
  2118. #ifdef MUX_LOG_TOP
  2119. clk_info("[%s]: id=%d, name=%s\n", __func__, id, name);
  2120. /* #else */
  2121. /* if(id == MT_MUX_MM) */
  2122. /* clk_info("[%s]: id=%d, name=%s\n", __func__, id, name); */
  2123. #endif
  2124. clkmgr_lock(flags);
  2125. mux_disable_internal(mux, name);
  2126. clkmgr_unlock(flags);
  2127. }
  2128. EXPORT_SYMBOL(disable_mux);
  2129. /************************************************
  2130. ********** cg_grp part **********
  2131. ************************************************/
  2132. static struct cg_grp_ops general_cg_grp_ops;
  2133. static struct cg_grp_ops disp0_cg_grp_ops;
  2134. static struct cg_grp_ops vdec_cg_grp_ops;
  2135. static struct cg_grp_ops venc_cg_grp_ops;
  2136. static struct cg_grp grps[NR_GRPS] = {
  2137. {
  2138. .name = __stringify(CG_INFRA),
  2139. /* .set_addr = INFRA_PDN_SET0, //disable */
  2140. /* .clr_addr = INFRA_PDN_CLR0, //enable */
  2141. /* .sta_addr = INFRA_PDN_STA0, */
  2142. .mask = 0x00FD91FF,
  2143. .ops = &general_cg_grp_ops,
  2144. }, {
  2145. .name = __stringify(CG_PERI),
  2146. /* .set_addr = INFRA_PDN_SET1, //disable */
  2147. /* .clr_addr = INFRA_PDN_CLR1, //enable */
  2148. /* .sta_addr = INFRA_PDN_STA1, */
  2149. .mask = 0x3FFFFFFF,
  2150. .ops = &general_cg_grp_ops,
  2151. }, {
  2152. .name = __stringify(CG_DISP0),
  2153. /* .set_addr = DISP_CG_SET0, //disable */
  2154. /* .clr_addr = DISP_CG_CLR0, //enable */
  2155. /* .sta_addr = DISP_CG_CON0, */
  2156. /* .dummy_addr = MMSYS_DUMMY, */
  2157. /* .bw_limit_addr = SMI_LARB_BWL_EN_REG, */
  2158. .mask = 0x0007FFFF,
  2159. .ops = &disp0_cg_grp_ops,
  2160. .sys = &syss[SYS_DIS],
  2161. }, {
  2162. .name = __stringify(CG_DISP1),
  2163. /* .set_addr = DISP_CG_SET1, //disable */
  2164. /* .clr_addr = DISP_CG_CLR1, //enable */
  2165. /* .sta_addr = DISP_CG_CON1, */
  2166. .mask = 0x0000003C,
  2167. .ops = &general_cg_grp_ops,
  2168. .sys = &syss[SYS_DIS],
  2169. }, {
  2170. .name = __stringify(CG_IMAGE),
  2171. /* .set_addr = IMG_CG_SET, //disable */
  2172. /* .clr_addr = IMG_CG_CLR, //enable */
  2173. /* .sta_addr = IMG_CG_CON, */
  2174. .mask = 0x00000FE1,
  2175. .ops = &general_cg_grp_ops,
  2176. .sys = &syss[SYS_ISP],
  2177. }, {
  2178. .name = __stringify(CG_MFG),
  2179. /* .set_addr = MFG_CG_SET, //disable */
  2180. /* .clr_addr = MFG_CG_CLR, //enable */
  2181. /* .sta_addr = MFG_CG_CON, */
  2182. .mask = 0x00000001,
  2183. .ops = &general_cg_grp_ops,
  2184. .sys = &syss[SYS_MFG],
  2185. }, {
  2186. .name = __stringify(CG_AUDIO),
  2187. /* .sta_addr = AUDIO_TOP_CON0, */
  2188. .mask = 0x0F0C0344,
  2189. .ops = &general_cg_grp_ops,
  2190. /* .sys = &syss[SYS_AUD], */
  2191. }, {
  2192. .name = __stringify(CG_VDEC0),
  2193. /* .set_addr = VDEC_CKEN_CLR, //disable */
  2194. /* .clr_addr = VDEC_CKEN_SET, //enable */
  2195. .mask = 0x00000001,
  2196. .ops = &vdec_cg_grp_ops,
  2197. .sys = &syss[SYS_VDE],
  2198. }, {
  2199. .name = __stringify(CG_VDEC1),
  2200. /* .set_addr = LARB_CKEN_CLR, //disable */
  2201. /* .clr_addr = LARB_CKEN_SET, //enable */
  2202. .mask = 0x00000001,
  2203. .ops = &vdec_cg_grp_ops,
  2204. .sys = &syss[SYS_VDE],
  2205. }, /* {
  2206. .name = __stringify(CG_MJC),
  2207. .set_addr = MJC_CG_SET, //disable
  2208. .clr_addr = MJC_CG_CLR, //enable
  2209. .sta_addr = MJC_CG_CON,
  2210. .mask = 0x0000002F,
  2211. .ops = &general_cg_grp_ops,
  2212. .sys = &syss[SYS_MJC],
  2213. }, */ {
  2214. .name = __stringify(CG_VENC),
  2215. /* .set_addr = VENC_CG_CLR, //disable */
  2216. /* .clr_addr = VENC_CG_SET, //enable */
  2217. /* .sta_addr = VENC_CG_CON, */
  2218. .mask = 0x00001111,
  2219. .ops = &venc_cg_grp_ops,
  2220. .sys = &syss[SYS_VEN],
  2221. }
  2222. };
  2223. static struct cg_grp *id_to_grp(unsigned int id)
  2224. {
  2225. return id < NR_GRPS ? grps + id : NULL;
  2226. }
  2227. static unsigned int general_grp_get_state_op(struct cg_grp *grp)
  2228. {
  2229. volatile unsigned int val;
  2230. struct subsys *sys = grp->sys;
  2231. if (sys && !sys->state)
  2232. return 0;
  2233. val = clk_readl(grp->sta_addr);
  2234. val = (~val) & (grp->mask);
  2235. return val;
  2236. }
  2237. static int general_grp_dump_regs_op(struct cg_grp *grp, unsigned int *ptr)
  2238. {
  2239. *(ptr) = clk_readl(grp->sta_addr);
  2240. /* *(ptr) = clk_readl(grp->sta_addr) & grp->mask; */
  2241. return 1;
  2242. }
  2243. static struct cg_grp_ops general_cg_grp_ops = {
  2244. .get_state = general_grp_get_state_op,
  2245. .dump_regs = general_grp_dump_regs_op,
  2246. };
  2247. static unsigned int disp0_grp_get_state_op(struct cg_grp *grp)
  2248. {
  2249. volatile unsigned int val;
  2250. struct subsys *sys = grp->sys;
  2251. if (sys && !sys->state)
  2252. return 0;
  2253. val = clk_readl(grp->dummy_addr);
  2254. val = (~val) & (grp->mask);
  2255. return val;
  2256. }
  2257. static int disp0_grp_dump_regs_op(struct cg_grp *grp, unsigned int *ptr)
  2258. {
  2259. *(ptr) = clk_readl(grp->sta_addr);
  2260. *(++ptr) = clk_readl(grp->dummy_addr);
  2261. /* *(++ptr) = clk_readl(grp->bw_limit_addr); */
  2262. return 2;
  2263. }
  2264. static struct cg_grp_ops disp0_cg_grp_ops = {
  2265. .get_state = disp0_grp_get_state_op,
  2266. .dump_regs = disp0_grp_dump_regs_op,
  2267. };
  2268. static unsigned int vdec_grp_get_state_op(struct cg_grp *grp)
  2269. {
  2270. volatile unsigned int val = 0;
  2271. val = clk_readl(grp->set_addr);
  2272. val &= grp->mask;
  2273. return val;
  2274. }
  2275. static int vdec_grp_dump_regs_op(struct cg_grp *grp, unsigned int *ptr)
  2276. {
  2277. *(ptr) = clk_readl(grp->set_addr);
  2278. *(++ptr) = clk_readl(grp->clr_addr);
  2279. return 2;
  2280. }
  2281. static struct cg_grp_ops vdec_cg_grp_ops = {
  2282. .get_state = vdec_grp_get_state_op,
  2283. .dump_regs = vdec_grp_dump_regs_op,
  2284. };
  2285. static unsigned int venc_grp_get_state_op(struct cg_grp *grp)
  2286. {
  2287. volatile unsigned int val = 0;
  2288. val = clk_readl(grp->sta_addr);
  2289. val &= grp->mask;
  2290. return val;
  2291. }
  2292. static int venc_grp_dump_regs_op(struct cg_grp *grp, unsigned int *ptr)
  2293. {
  2294. *(ptr) = clk_readl(grp->sta_addr);
  2295. return 1;
  2296. }
  2297. static struct cg_grp_ops venc_cg_grp_ops = {
  2298. .get_state = venc_grp_get_state_op,
  2299. .dump_regs = venc_grp_dump_regs_op,
  2300. };
  2301. /************************************************
  2302. ********** cg_clk part **********
  2303. ************************************************/
  2304. static struct cg_clk_ops general_cg_clk_ops;
  2305. #if 0
  2306. static struct cg_clk_ops audio_cg_clk_ops;
  2307. #endif
  2308. static struct cg_clk_ops audsys_cg_clk_ops; /* @audio sys */
  2309. static struct cg_clk_ops disp0_cg_clk_ops;
  2310. static struct cg_clk_ops vdec_cg_clk_ops;
  2311. static struct cg_clk_ops venc_cg_clk_ops;
  2312. static struct cg_clk clks[NR_CLKS] = {
  2313. [CG_INFRA_FROM ... CG_INFRA_TO] = {
  2314. .cnt = 0,
  2315. .ops = &general_cg_clk_ops,
  2316. .grp = &grps[CG_INFRA],
  2317. },
  2318. [CG_PERI_FROM ... CG_PERI_TO] = {
  2319. .cnt = 0,
  2320. .ops = &general_cg_clk_ops,
  2321. .grp = &grps[CG_PERI],
  2322. },
  2323. [CG_DISP0_FROM ... CG_DISP0_TO] = {
  2324. .cnt = 0,
  2325. .ops = &disp0_cg_clk_ops,
  2326. .grp = &grps[CG_DISP0],
  2327. },
  2328. [CG_DISP1_FROM ... CG_DISP1_TO] = {
  2329. .cnt = 0,
  2330. .ops = &general_cg_clk_ops,
  2331. .grp = &grps[CG_DISP1],
  2332. },
  2333. [CG_IMAGE_FROM ... CG_IMAGE_TO] = {
  2334. .cnt = 0,
  2335. .ops = &general_cg_clk_ops,
  2336. .grp = &grps[CG_IMAGE],
  2337. },
  2338. [CG_MFG_FROM ... CG_MFG_TO] = {
  2339. .cnt = 0,
  2340. .ops = &general_cg_clk_ops,
  2341. .grp = &grps[CG_MFG],
  2342. },
  2343. [CG_AUDIO_FROM ... CG_AUDIO_TO] = {
  2344. .cnt = 0,
  2345. .ops = &audsys_cg_clk_ops,
  2346. .grp = &grps[CG_AUDIO],
  2347. },
  2348. [CG_VDEC0_FROM ... CG_VDEC0_TO] = {
  2349. .cnt = 0,
  2350. .ops = &vdec_cg_clk_ops,
  2351. .grp = &grps[CG_VDEC0],
  2352. },
  2353. [CG_VDEC1_FROM ... CG_VDEC1_TO] = {
  2354. .cnt = 0,
  2355. .ops = &vdec_cg_clk_ops,
  2356. .grp = &grps[CG_VDEC1],
  2357. },
  2358. /* [CG_MJC_FROM ... CG_MJC_TO] = {
  2359. .cnt = 0,
  2360. .ops = &general_cg_clk_ops,
  2361. .grp = &grps[CG_MJC],
  2362. }, */
  2363. [CG_VENC_FROM ... CG_VENC_TO] = {
  2364. .cnt = 0,
  2365. .ops = &venc_cg_clk_ops,
  2366. .grp = &grps[CG_VENC],
  2367. },
  2368. };
  2369. static struct cg_clk *id_to_clk(unsigned int id)
  2370. {
  2371. return id < NR_CLKS ? clks + id : NULL;
  2372. }
  2373. static int general_clk_get_state_op(struct cg_clk *clk)
  2374. {
  2375. struct subsys *sys = clk->grp->sys;
  2376. if (sys && !sys->state)
  2377. return PWR_DOWN;
  2378. return (clk_readl(clk->grp->sta_addr) & (clk->mask)) ? PWR_DOWN : PWR_ON;
  2379. }
  2380. static int general_clk_check_validity_op(struct cg_clk *clk)
  2381. {
  2382. int valid = 0;
  2383. if (clk->mask & clk->grp->mask)
  2384. valid = 1;
  2385. return valid;
  2386. }
  2387. static int general_clk_enable_op(struct cg_clk *clk)
  2388. {
  2389. #ifdef CLK_LOG
  2390. clk_info("[%s]: clk->grp->name=%s, clk->mask=0x%x\n", __func__, clk->grp->name, clk->mask);
  2391. #endif
  2392. clk_writel(clk->grp->clr_addr, clk->mask);
  2393. return 0;
  2394. }
  2395. static int general_clk_disable_op(struct cg_clk *clk)
  2396. {
  2397. #ifdef CLK_LOG
  2398. clk_info("[%s]: clk->grp->name=%s, clk->mask=0x%x\n", __func__, clk->grp->name, clk->mask);
  2399. #endif
  2400. clk_writel(clk->grp->set_addr, clk->mask);
  2401. return 0;
  2402. }
  2403. static struct cg_clk_ops general_cg_clk_ops = {
  2404. .get_state = general_clk_get_state_op,
  2405. .check_validity = general_clk_check_validity_op,
  2406. .enable = general_clk_enable_op,
  2407. .disable = general_clk_disable_op,
  2408. };
  2409. static int disp0_clk_get_state_op(struct cg_clk *clk)
  2410. {
  2411. struct subsys *sys = clk->grp->sys;
  2412. if (sys && !sys->state)
  2413. return PWR_DOWN;
  2414. return (clk_readl(clk->grp->dummy_addr) & (clk->mask)) ? PWR_DOWN : PWR_ON;
  2415. }
  2416. static int disp0_clk_enable_op(struct cg_clk *clk)
  2417. {
  2418. #ifdef DISP_CLK_LOG
  2419. clk_info("[%s]: clk->grp->name=%s, clk->mask=0x%x\n", __func__, clk->grp->name, clk->mask);
  2420. #endif
  2421. /* clk_writel(clk->grp->clr_addr, clk->mask); */
  2422. clk_clrl(clk->grp->dummy_addr, clk->mask);
  2423. if (clk->mask & 0x00000203)
  2424. clk_writel(clk->grp->clr_addr, clk->mask);
  2425. return 0;
  2426. }
  2427. static int disp0_clk_disable_op(struct cg_clk *clk)
  2428. {
  2429. #ifdef DISP_CLK_LOG
  2430. clk_info("[%s]: clk->grp->name=%s, clk->mask=0x%x\n", __func__, clk->grp->name, clk->mask);
  2431. #endif
  2432. /* clk_writel(clk->grp->set_addr, clk->mask); */
  2433. clk_setl(clk->grp->dummy_addr, clk->mask);
  2434. if (clk->mask & 0x00000203)
  2435. clk_writel(clk->grp->set_addr, clk->mask);
  2436. return 0;
  2437. }
  2438. static struct cg_clk_ops disp0_cg_clk_ops = {
  2439. .get_state = disp0_clk_get_state_op,
  2440. .check_validity = general_clk_check_validity_op,
  2441. .enable = disp0_clk_enable_op,
  2442. .disable = disp0_clk_disable_op,
  2443. };
  2444. #if 0
  2445. static int audio_clk_enable_op(struct cg_clk *clk)
  2446. {
  2447. #ifdef CLK_LOG
  2448. clk_info("[%s]: clk->grp->name=%s, clk->mask=0x%x\n", __func__, clk->grp->name, clk->mask);
  2449. #endif
  2450. clk_writel(clk->grp->clr_addr, clk->mask);
  2451. /* clk_setl(TOPAXI_SI0_CTL, 1U << 7); //audio not from AXI */
  2452. return 0;
  2453. }
  2454. static int audio_clk_disable_op(struct cg_clk *clk)
  2455. {
  2456. #ifdef CLK_LOG
  2457. clk_info("[%s]: clk->grp->name=%s, clk->mask=0x%x\n", __func__, clk->grp->name, clk->mask);
  2458. #endif
  2459. /* clk_clrl(TOPAXI_SI0_CTL, 1U << 7); //audio not from AXI */
  2460. clk_writel(clk->grp->set_addr, clk->mask);
  2461. return 0;
  2462. }
  2463. static struct cg_clk_ops audio_cg_clk_ops = {
  2464. .get_state = general_clk_get_state_op,
  2465. .check_validity = general_clk_check_validity_op,
  2466. .enable = audio_clk_enable_op,
  2467. .disable = audio_clk_disable_op,
  2468. };
  2469. #endif
  2470. static int audsys_clk_enable_op(struct cg_clk *clk)
  2471. {
  2472. /* 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)); */
  2473. clk_clrl(clk->grp->sta_addr, clk->mask);
  2474. return 0;
  2475. }
  2476. static int audsys_clk_disable_op(struct cg_clk *clk)
  2477. {
  2478. clk_setl(clk->grp->sta_addr, clk->mask);
  2479. return 0;
  2480. }
  2481. static struct cg_clk_ops audsys_cg_clk_ops = {
  2482. .get_state = general_clk_get_state_op,
  2483. .check_validity = general_clk_check_validity_op,
  2484. .enable = audsys_clk_enable_op,
  2485. .disable = audsys_clk_disable_op,
  2486. };
  2487. static int vdec_clk_get_state_op(struct cg_clk *clk)
  2488. {
  2489. return (clk_readl(clk->grp->set_addr) & (clk->mask)) ? PWR_ON : PWR_DOWN;
  2490. }
  2491. static struct cg_clk_ops vdec_cg_clk_ops = {
  2492. .get_state = vdec_clk_get_state_op,
  2493. .check_validity = general_clk_check_validity_op,
  2494. .enable = general_clk_enable_op,
  2495. .disable = general_clk_disable_op,
  2496. };
  2497. static int venc_clk_get_state_op(struct cg_clk *clk)
  2498. {
  2499. return (clk_readl(clk->grp->sta_addr) & (clk->mask)) ? PWR_ON : PWR_DOWN;
  2500. }
  2501. static struct cg_clk_ops venc_cg_clk_ops = {
  2502. .get_state = venc_clk_get_state_op,
  2503. .check_validity = general_clk_check_validity_op,
  2504. .enable = general_clk_enable_op,
  2505. .disable = general_clk_disable_op,
  2506. };
  2507. #ifdef PLL_CLK_LINK
  2508. static int power_prepare_locked(struct cg_grp *grp)
  2509. {
  2510. int err = 0;
  2511. if (grp->sys)
  2512. err = subsys_enable_internal(grp->sys, "clk");
  2513. return err;
  2514. }
  2515. static int power_finish_locked(struct cg_grp *grp)
  2516. {
  2517. int err = 0;
  2518. if (grp->sys)
  2519. err = subsys_disable_internal(grp->sys, 0, "clk");
  2520. return err;
  2521. }
  2522. #endif
  2523. static int clk_enable_locked(struct cg_clk *clk)
  2524. {
  2525. struct cg_grp *grp = clk->grp;
  2526. unsigned int local_state;
  2527. #ifdef STATE_CHECK_DEBUG
  2528. unsigned int reg_state;
  2529. #endif
  2530. #ifdef PLL_CLK_LINK
  2531. int err;
  2532. #endif
  2533. clk->cnt++;
  2534. #ifdef CLK_LOG
  2535. clk_info
  2536. ("[%s]: Start. grp->name=%s, grp->state=0x%x, clk->mask=0x%x, clk->cnt=%d, clk->state=%d\n",
  2537. __func__, grp->name, grp->state, clk->mask, clk->cnt, clk->state);
  2538. #endif
  2539. if (clk->cnt > 1)
  2540. return 0;
  2541. local_state = clk->state;
  2542. #ifdef STATE_CHECK_DEBUG
  2543. reg_state = grp->ops->get_state(grp, clk);
  2544. /* BUG_ON(local_state != reg_state); */
  2545. #endif
  2546. #ifdef PLL_CLK_LINK
  2547. if (clk->mux)
  2548. mux_enable_internal(clk->mux, "clk");
  2549. err = power_prepare_locked(grp);
  2550. BUG_ON(err);
  2551. #endif
  2552. /* if (clk->parent) { */
  2553. /* clk_enable_internal(clk->parent, "clk"); */
  2554. /* } */
  2555. if (local_state == PWR_ON)
  2556. return 0;
  2557. clk->ops->enable(clk);
  2558. clk->state = PWR_ON;
  2559. grp->state |= clk->mask;
  2560. #ifdef CLK_LOG
  2561. clk_info
  2562. ("[%s]: End. grp->name=%s, grp->state=0x%x, clk->mask=0x%x, clk->cnt=%d, clk->state=%d\n",
  2563. __func__, grp->name, grp->state, clk->mask, clk->cnt, clk->state);
  2564. #endif
  2565. return 0;
  2566. }
  2567. static void clk_stat_bug(void);
  2568. static int clk_disable_locked(struct cg_clk *clk)
  2569. {
  2570. struct cg_grp *grp = clk->grp;
  2571. unsigned int local_state;
  2572. #ifdef STATE_CHECK_DEBUG
  2573. unsigned int reg_state;
  2574. #endif
  2575. #ifdef PLL_CLK_LINK
  2576. int err;
  2577. #endif
  2578. #ifdef CLK_LOG
  2579. clk_info
  2580. ("[%s]: Start. grp->name=%s, grp->state=0x%x, clk->mask=0x%x, clk->cnt=%d, clk->state=%d\n",
  2581. __func__, grp->name, grp->state, clk->mask, clk->cnt, clk->state);
  2582. #endif
  2583. if (!clk->cnt) {
  2584. clk_info
  2585. ("[%s]: grp->name=%s, grp->state=0x%x, clk->mask=0x%x, clk->cnt=%d, clk->state=%d\n",
  2586. __func__, grp->name, grp->state, clk->mask, clk->cnt, clk->state);
  2587. #ifdef CONFIG_CLKMGR_STAT
  2588. clk_stat_bug();
  2589. #endif
  2590. }
  2591. BUG_ON(!clk->cnt);
  2592. clk->cnt--;
  2593. #ifdef CLK_LOG
  2594. clk_info
  2595. ("[%s]: Start. grp->name=%s, grp->state=0x%x, clk->mask=0x%x, clk->cnt=%d, clk->state=%d\n",
  2596. __func__, grp->name, grp->state, clk->mask, clk->cnt, clk->state);
  2597. #endif
  2598. if (clk->cnt > 0)
  2599. return 0;
  2600. local_state = clk->state;
  2601. #ifdef STATE_CHECK_DEBUG
  2602. reg_state = grp->ops->get_state(grp, clk);
  2603. /* BUG_ON(local_state != reg_state); */
  2604. #endif
  2605. if (local_state == PWR_DOWN)
  2606. return 0;
  2607. if (clk->force_on)
  2608. return 0;
  2609. clk->ops->disable(clk);
  2610. clk->state = PWR_DOWN;
  2611. grp->state &= ~(clk->mask);
  2612. /* if (clk->parent) { */
  2613. /* clk_disable_internal(clk->parent, "clk"); */
  2614. /* } */
  2615. #ifdef PLL_CLK_LINK
  2616. err = power_finish_locked(grp);
  2617. BUG_ON(err);
  2618. if (clk->mux)
  2619. mux_disable_internal(clk->mux, "clk");
  2620. #endif
  2621. #ifdef CLK_LOG
  2622. clk_info
  2623. ("[%s]: End. grp->name=%s, grp->state=0x%x, clk->mask=0x%x, clk->cnt=%d, clk->state=%d\n",
  2624. __func__, grp->name, grp->state, clk->mask, clk->cnt, clk->state);
  2625. #endif
  2626. return 0;
  2627. }
  2628. static int get_clk_state_locked(struct cg_clk *clk)
  2629. {
  2630. if (likely(initialized))
  2631. return clk->state;
  2632. else
  2633. return clk->ops->get_state(clk);
  2634. }
  2635. int mt_enable_clock(int id, char *name)
  2636. {
  2637. int err;
  2638. unsigned long flags;
  2639. struct cg_clk *clk = id_to_clk(id);
  2640. #ifdef Bring_Up
  2641. return 0;
  2642. #endif
  2643. BUG_ON(!initialized);
  2644. BUG_ON(!clk);
  2645. BUG_ON(!clk->grp);
  2646. BUG_ON(!clk->ops->check_validity(clk));
  2647. BUG_ON(!name);
  2648. #ifdef CLK_LOG_TOP
  2649. clk_info("[%s]: id=%d, names=%s\n", __func__, id, name);
  2650. #else
  2651. /*
  2652. if ((id == MT_CG_DISP0_SMI_COMMON))
  2653. clk_dbg("[%s]: id=%d, names=%s\n", __func__, id, name);
  2654. */
  2655. #endif
  2656. clkmgr_lock(flags);
  2657. err = clk_enable_internal(clk, name);
  2658. clkmgr_unlock(flags);
  2659. return err;
  2660. }
  2661. EXPORT_SYMBOL(mt_enable_clock);
  2662. int mt_disable_clock(int id, char *name)
  2663. {
  2664. int err;
  2665. unsigned long flags;
  2666. struct cg_clk *clk = id_to_clk(id);
  2667. #ifdef Bring_Up
  2668. return 0;
  2669. #endif
  2670. BUG_ON(!initialized);
  2671. BUG_ON(!clk);
  2672. BUG_ON(!clk->grp);
  2673. BUG_ON(!clk->ops->check_validity(clk));
  2674. BUG_ON(!name);
  2675. #ifdef CLK_LOG_TOP
  2676. clk_info("[%s]: id=%d, names=%s\n", __func__, id, name);
  2677. #else
  2678. /*
  2679. if (id == MT_CG_DISP0_SMI_COMMON)
  2680. clk_dbg("[%s]: id=%d, names=%s\n", __func__, id, name);
  2681. */
  2682. #endif
  2683. clkmgr_lock(flags);
  2684. err = clk_disable_internal(clk, name);
  2685. clkmgr_unlock(flags);
  2686. return err;
  2687. }
  2688. EXPORT_SYMBOL(mt_disable_clock);
  2689. int enable_clock_ext_locked(int id, char *name)
  2690. {
  2691. int err;
  2692. struct cg_clk *clk = id_to_clk(id);
  2693. #ifdef Bring_Up
  2694. return 0;
  2695. #endif
  2696. BUG_ON(!initialized);
  2697. BUG_ON(!clk);
  2698. BUG_ON(!clk->grp);
  2699. BUG_ON(!clk->ops->check_validity(clk));
  2700. BUG_ON(!clkmgr_locked());
  2701. err = clk_enable_internal(clk, name);
  2702. return err;
  2703. }
  2704. EXPORT_SYMBOL(enable_clock_ext_locked);
  2705. int disable_clock_ext_locked(int id, char *name)
  2706. {
  2707. int err;
  2708. struct cg_clk *clk = id_to_clk(id);
  2709. #ifdef Bring_Up
  2710. return 0;
  2711. #endif
  2712. BUG_ON(!initialized);
  2713. BUG_ON(!clk);
  2714. BUG_ON(!clk->grp);
  2715. BUG_ON(!clk->ops->check_validity(clk));
  2716. BUG_ON(!clkmgr_locked());
  2717. err = clk_disable_internal(clk, name);
  2718. return err;
  2719. }
  2720. EXPORT_SYMBOL(disable_clock_ext_locked);
  2721. int clock_is_on(int id)
  2722. {
  2723. int state;
  2724. unsigned long flags;
  2725. struct cg_clk *clk = id_to_clk(id);
  2726. #ifdef Bring_Up
  2727. return 1;
  2728. #endif
  2729. BUG_ON(!clk);
  2730. BUG_ON(!clk->grp);
  2731. BUG_ON(!clk->ops->check_validity(clk));
  2732. clkmgr_lock(flags);
  2733. state = get_clk_state_locked(clk);
  2734. clkmgr_unlock(flags);
  2735. return state;
  2736. }
  2737. EXPORT_SYMBOL(clock_is_on);
  2738. static void clk_set_force_on_locked(struct cg_clk *clk)
  2739. {
  2740. clk->force_on = 1;
  2741. }
  2742. static void clk_clr_force_on_locked(struct cg_clk *clk)
  2743. {
  2744. clk->force_on = 0;
  2745. }
  2746. void clk_set_force_on(int id)
  2747. {
  2748. unsigned long flags;
  2749. struct cg_clk *clk = id_to_clk(id);
  2750. #ifdef Bring_Up
  2751. return;
  2752. #endif
  2753. BUG_ON(!initialized);
  2754. BUG_ON(!clk);
  2755. BUG_ON(!clk->grp);
  2756. BUG_ON(!clk->ops->check_validity(clk));
  2757. clkmgr_lock(flags);
  2758. clk_set_force_on_locked(clk);
  2759. clkmgr_unlock(flags);
  2760. }
  2761. EXPORT_SYMBOL(clk_set_force_on);
  2762. void clk_clr_force_on(int id)
  2763. {
  2764. unsigned long flags;
  2765. struct cg_clk *clk = id_to_clk(id);
  2766. #ifdef Bring_Up
  2767. return;
  2768. #endif
  2769. BUG_ON(!initialized);
  2770. BUG_ON(!clk);
  2771. BUG_ON(!clk->grp);
  2772. BUG_ON(!clk->ops->check_validity(clk));
  2773. clkmgr_lock(flags);
  2774. clk_clr_force_on_locked(clk);
  2775. clkmgr_unlock(flags);
  2776. }
  2777. EXPORT_SYMBOL(clk_clr_force_on);
  2778. int clk_is_force_on(int id)
  2779. {
  2780. struct cg_clk *clk = id_to_clk(id);
  2781. #ifdef Bring_Up
  2782. return 0;
  2783. #endif
  2784. BUG_ON(!initialized);
  2785. BUG_ON(!clk);
  2786. BUG_ON(!clk->grp);
  2787. BUG_ON(!clk->ops->check_validity(clk));
  2788. return clk->force_on;
  2789. }
  2790. int grp_dump_regs(int id, unsigned int *ptr)
  2791. {
  2792. struct cg_grp *grp = id_to_grp(id);
  2793. #if defined(CONFIG_MTK_CLKMGR)
  2794. #ifdef Bring_Up
  2795. return 0;
  2796. #endif
  2797. #endif /* defined(CONFIG_MTK_CLKMGR) */
  2798. /* BUG_ON(!initialized); */
  2799. BUG_ON(!grp);
  2800. return grp->ops->dump_regs(grp, ptr);
  2801. }
  2802. EXPORT_SYMBOL(grp_dump_regs);
  2803. const char *grp_get_name(int id)
  2804. {
  2805. struct cg_grp *grp = id_to_grp(id);
  2806. #if defined(CONFIG_MTK_CLKMGR)
  2807. #ifdef Bring_Up
  2808. return 0;
  2809. #endif
  2810. #endif /* defined(CONFIG_MTK_CLKMGR) */
  2811. /* BUG_ON(!initialized); */
  2812. BUG_ON(!grp);
  2813. return grp->name;
  2814. }
  2815. void print_grp_regs(void)
  2816. {
  2817. int i, cnt;
  2818. unsigned int value[3] = {0, 0, 0};
  2819. const char *name;
  2820. struct pll *pll;
  2821. unsigned int sta, sta_s;
  2822. #if MT_CCF_DEBUG
  2823. int state, j;
  2824. unsigned int val_subsys = 0;
  2825. #endif
  2826. /* clk_info("********** cg register dump *********\n"); */
  2827. for (i = 0; i < NR_GRPS; i++) {
  2828. name = grp_get_name(i);
  2829. cnt = grp_dump_regs(i, value);
  2830. if (cnt == 1) {
  2831. if ((slp_chk_mtcmos_pll_stat == 0) || value[0])
  2832. clk_info("[%02d][%-8s]=[0x%08x]\n",
  2833. i, name, value[0]);
  2834. } else if (cnt == 2) {
  2835. if ((slp_chk_mtcmos_pll_stat == 0) || value[0] || value[1])
  2836. clk_info("[%02d][%-8s]=[0x%08x][0x%08x]\n",
  2837. i, name, value[0], value[1]);
  2838. } else {
  2839. if ((slp_chk_mtcmos_pll_stat == 0) || value[0] || value[1] || value[2])
  2840. clk_info("[%02d][%-8s]=[0x%08x][0x%08x][0x%08x]\n",
  2841. i, name, value[0], value[1], value[2]);
  2842. }
  2843. }
  2844. #if MT_CCF_DEBUG
  2845. clk_info("********** mux register dump *********\n");
  2846. clk_info("[CLK_CFG_0]=0x%08x\n", clk_readl(CLK_CFG_0));
  2847. clk_info("[CLK_CFG_1]=0x%08x\n", clk_readl(CLK_CFG_1));
  2848. clk_info("[CLK_CFG_2]=0x%08x\n", clk_readl(CLK_CFG_2));
  2849. clk_info("[CLK_CFG_3]=0x%08x\n", clk_readl(CLK_CFG_3));
  2850. clk_info("[CLK_CFG_4]=0x%08x\n", clk_readl(CLK_CFG_4));
  2851. clk_info("[CLK_CFG_5]=0x%08x\n", clk_readl(CLK_CFG_5));
  2852. clk_info("[CLK_CFG_6]=0x%08x\n", clk_readl(CLK_CFG_6));
  2853. clk_info("[CLK_CFG_7]=0x%08x\n", clk_readl(CLK_CFG_7));
  2854. #endif
  2855. /* clk_info("********** pll register dump **********\n"); */
  2856. for (i = 2; i < NR_PLLS; i++) {
  2857. name = pll_get_name(i);
  2858. cnt = pll_dump_regs(i, value);
  2859. pll = &plls[i];
  2860. pll->state = pll->ops->get_state(pll);
  2861. if ((slp_chk_mtcmos_pll_stat == 0) || pll->state)
  2862. clk_info("pll->name=%s, pll->state=%d\n",
  2863. pll->name, pll->state);
  2864. #if MT_CCF_DEBUG
  2865. for (j = 0; j < cnt; j++)
  2866. clk_info("[%d][%-7s reg%d]=[0x%08x]\n", i, name, j, value[j]);
  2867. #endif
  2868. }
  2869. /* clk_info("********** subsys register dump **********\n"); */
  2870. sta = clk_readl(SPM_PWR_STATUS);
  2871. sta_s = clk_readl(SPM_PWR_STATUS_2ND);
  2872. #if MT_CCF_DEBUG
  2873. for (i = 0; i < NR_SYSS; i++) {
  2874. name = subsys_get_name(i);
  2875. state = subsys_is_on(i);
  2876. subsys_dump_regs(i, &val_subsys);
  2877. clk_info("[%d][%-7s]=[0x%08x], state(%u)\n", i, name, val_subsys, state);
  2878. }
  2879. #endif
  2880. clk_info("SPM_PWR_STATUS=0x%08x, SPM_PWR_STATUS_2ND=0x%08x\n", sta, sta_s);
  2881. }
  2882. EXPORT_SYMBOL(print_grp_regs);
  2883. /************************************************
  2884. ********** initialization **********
  2885. ************************************************/
  2886. #if 0
  2887. static void subsys_all_force_on(void)
  2888. {
  2889. if (test_spm_gpu_power_on())
  2890. spm_mtcmos_ctrl_mfg(STA_POWER_ON);
  2891. else
  2892. clk_warn("[%s]: not force to turn on MFG\n", __func__);
  2893. spm_mtcmos_ctrl_vdec(STA_POWER_ON);
  2894. spm_mtcmos_ctrl_venc(STA_POWER_ON);
  2895. }
  2896. #endif
  2897. #define INFRA_CG 0xFFFFFFFF
  2898. #define PERI_CG 0xFFFFFFFF
  2899. #define AUD_CG 0x0F0C0344
  2900. #define MFG_CG 0x00000001
  2901. #define DISP0_CG 0xFFFFFFFF
  2902. #define DISP1_CG 0x0000003F
  2903. #define IMG_CG 0x00000FE1
  2904. #define VDEC_CG 0x00000001
  2905. #define LARB_CG 0x00000001
  2906. #define VENC_CG 0x00001111
  2907. #if MT_CCF_BRINGUP
  2908. static void cg_all_force_on(void)
  2909. {
  2910. /* INFRA CG */
  2911. clk_writel(INFRA_PDN_CLR0, INFRA_CG);
  2912. clk_writel(PERI_PDN_CLR0, PERI_CG);
  2913. /* AUDIO */
  2914. clk_clrl(AUDIO_TOP_CON0, AUD_CG);
  2915. /* MFG */
  2916. clk_writel(MFG_CG_CLR, MFG_CG);
  2917. /* DISP */
  2918. /* clk_writel(DISP_CG_CLR0, DISP0_CG); */
  2919. /* clk_writel(DISP_CG_CLR1, DISP1_CG); */
  2920. clk_writel(MMSYS_DUMMY, 0);
  2921. /* ISP */
  2922. clk_writel(IMG_CG_CLR, IMG_CG);
  2923. /* VDE */
  2924. clk_writel(VDEC_CKEN_SET, VDEC_CG);
  2925. clk_writel(LARB_CKEN_SET, LARB_CG);
  2926. /* VENC */
  2927. clk_writel(VENC_CG_SET, VENC_CG);
  2928. }
  2929. #endif /* MT_CCF_BRINGUP */
  2930. static void cg_bootup_pdn(void)
  2931. {
  2932. /* AUDIO */
  2933. clk_writel(AUDIO_TOP_CON0, AUD_CG);
  2934. /* INFRA CG */
  2935. clk_writel(INFRA_PDN_SET0, 0x008a);
  2936. clk_writel(PERI_PDN_SET0, 0x3fc1fffc);
  2937. /* MFG */
  2938. clk_writel(MFG_CG_SET, MFG_CG);
  2939. /* DISP */
  2940. /* clk_writel(DISP_CG_SET0, 0xff9ffffc); //DCM enable */
  2941. /* clk_writel(DISP_CG_SET1, 0x0000003F); // */
  2942. /* ISP */
  2943. clk_writel(IMG_CG_SET, IMG_CG);
  2944. /* VDE */
  2945. clk_writel(VDEC_CKEN_CLR, VDEC_CG);
  2946. clk_writel(LARB_CKEN_CLR, LARB_CG);
  2947. /* VENC */
  2948. clk_clrl(VENC_CG_CON, VENC_CG);
  2949. }
  2950. static void mt_subsys_init(void)
  2951. {
  2952. int i;
  2953. struct subsys *sys;
  2954. syss[SYS_MD1].ctl_addr = SPM_MD_PWR_CON;
  2955. syss[SYS_CONN].ctl_addr = SPM_CONN_PWR_CON;
  2956. syss[SYS_DIS].ctl_addr = SPM_DIS_PWR_CON;
  2957. syss[SYS_MFG].ctl_addr = SPM_MFG_PWR_CON;
  2958. syss[SYS_ISP].ctl_addr = SPM_ISP_PWR_CON;
  2959. syss[SYS_VDE].ctl_addr = SPM_VDE_PWR_CON;
  2960. syss[SYS_VEN].ctl_addr = SPM_VEN_PWR_CON;
  2961. syss[SYS_MD2].ctl_addr = SPM_MD2_PWR_CON;
  2962. for (i = 0; i < NR_SYSS; i++) {
  2963. sys = &syss[i];
  2964. sys->state = sys->ops->get_state(sys);
  2965. #if MT_CCF_BRINGUP
  2966. if (sys->state != sys->default_sta) {
  2967. clk_info("[%s]%s, change state: (%u->%u)\n", __func__,
  2968. sys->name, sys->state, sys->default_sta);
  2969. if (sys->default_sta == PWR_DOWN)
  2970. sys_disable_locked(sys, 1);
  2971. else
  2972. sys_enable_locked(sys);
  2973. }
  2974. #endif /* MT_CCF_BRINGUP */
  2975. #ifdef CONFIG_CLKMGR_STAT
  2976. INIT_LIST_HEAD(&sys->head);
  2977. #endif
  2978. }
  2979. }
  2980. static void pll_bootup_pdn(void)
  2981. {
  2982. pr_warn("%s: close TVDPLL/APLL1/APLL2 during init\n", __func__);
  2983. clk_clrl(TVDPLL_CON0, 0x1);
  2984. clk_setl(TVDPLL_PWR_CON0, PLL_ISO_EN);
  2985. clk_clrl(TVDPLL_PWR_CON0, PLL_PWR_ON);
  2986. clk_clrl(APLL1_CON0, 0x1);
  2987. clk_setl(APLL1_PWR_CON0, PLL_ISO_EN);
  2988. clk_clrl(APLL1_PWR_CON0, PLL_PWR_ON);
  2989. clk_clrl(APLL2_CON0, 0x1);
  2990. clk_setl(APLL2_PWR_CON0, PLL_ISO_EN);
  2991. clk_clrl(APLL2_PWR_CON0, PLL_PWR_ON);
  2992. }
  2993. static void mt_plls_init(void)
  2994. {
  2995. int i;
  2996. struct pll *pll;
  2997. plls[ARMPLL].base_addr = ARMPLL_CON0;
  2998. plls[ARMPLL].pwr_addr = ARMPLL_PWR_CON0;
  2999. plls[MAINPLL].base_addr = MAINPLL_CON0;
  3000. plls[MAINPLL].pwr_addr = MAINPLL_PWR_CON0;
  3001. plls[MSDCPLL].base_addr = MSDCPLL_CON0;
  3002. plls[MSDCPLL].pwr_addr = MSDCPLL_PWR_CON0;
  3003. plls[UNIVPLL].base_addr = UNIVPLL_CON0;
  3004. plls[UNIVPLL].pwr_addr = UNIVPLL_PWR_CON0;
  3005. plls[MMPLL].base_addr = MMPLL_CON0;
  3006. plls[MMPLL].pwr_addr = MMPLL_PWR_CON0;
  3007. plls[VENCPLL].base_addr = VENCPLL_CON0;
  3008. plls[VENCPLL].pwr_addr = VENCPLL_PWR_CON0;
  3009. plls[TVDPLL].base_addr = TVDPLL_CON0;
  3010. plls[TVDPLL].pwr_addr = TVDPLL_PWR_CON0;
  3011. plls[APLL1].base_addr = APLL1_CON0;
  3012. plls[APLL1].pwr_addr = APLL1_PWR_CON0;
  3013. plls[APLL2].base_addr = APLL2_CON0;
  3014. plls[APLL2].pwr_addr = APLL2_PWR_CON0;
  3015. for (i = 0; i < NR_PLLS; i++) {
  3016. pll = &plls[i];
  3017. pll->state = pll->ops->get_state(pll);
  3018. /* clk_info("[%s]: pll->name=%s, pll->state=%d\n", __func__, pll->name, pll->state); */
  3019. #ifdef CONFIG_CLKMGR_STAT
  3020. INIT_LIST_HEAD(&pll->head);
  3021. #endif
  3022. }
  3023. plls[MMPLL].cnt = 1;
  3024. plls[VENCPLL].cnt = 1;
  3025. /* plls[UNIVPLL].cnt = 1; */
  3026. }
  3027. /*
  3028. static void mt_plls_enable_hp(void)
  3029. {
  3030. int i;
  3031. struct pll *pll;
  3032. for (i = 0; i < NR_PLLS; i++) {
  3033. pll = &plls[i];
  3034. if (pll->ops->hp_enable) {
  3035. pll->ops->hp_enable(pll);
  3036. }
  3037. }
  3038. }
  3039. */
  3040. static void mt_muxs_init(void)
  3041. {
  3042. int i;
  3043. struct clkmux *mux;
  3044. muxs[MT_MUX_MM].base_addr = CLK_CFG_0;
  3045. muxs[MT_MUX_DDRPHY].base_addr = CLK_CFG_0;
  3046. muxs[MT_MUX_MEM].base_addr = CLK_CFG_0;
  3047. muxs[MT_MUX_AXI].base_addr = CLK_CFG_0;
  3048. muxs[MT_MUX_CAMTG].base_addr = CLK_CFG_1;
  3049. muxs[MT_MUX_MFG].base_addr = CLK_CFG_1;
  3050. muxs[MT_MUX_VDEC].base_addr = CLK_CFG_1;
  3051. muxs[MT_MUX_PWM].base_addr = CLK_CFG_1;
  3052. muxs[MT_MUX_MSDC50_0].base_addr = CLK_CFG_2;
  3053. muxs[MT_MUX_USB20].base_addr = CLK_CFG_2;
  3054. muxs[MT_MUX_SPI].base_addr = CLK_CFG_2;
  3055. muxs[MT_MUX_UART].base_addr = CLK_CFG_2;
  3056. muxs[MT_MUX_MSDC30_0].base_addr = CLK_CFG_3;
  3057. muxs[MT_MUX_MSDC30_1].base_addr = CLK_CFG_3;
  3058. muxs[MT_MUX_MSDC30_2].base_addr = CLK_CFG_3;
  3059. muxs[MT_MUX_MSDC30_3].base_addr = CLK_CFG_3;
  3060. muxs[MT_MUX_SCP].base_addr = CLK_CFG_4;
  3061. muxs[MT_MUX_PMICSPI].base_addr = CLK_CFG_4;
  3062. muxs[MT_MUX_AUDINTBUS].base_addr = CLK_CFG_4;
  3063. muxs[MT_MUX_AUDIO].base_addr = CLK_CFG_4;
  3064. muxs[MT_MUX_MFG13M].base_addr = CLK_CFG_5;
  3065. muxs[MT_MUX_SCAM].base_addr = CLK_CFG_5;
  3066. muxs[MT_MUX_DPI0].base_addr = CLK_CFG_5;
  3067. muxs[MT_MUX_ATB].base_addr = CLK_CFG_5;
  3068. muxs[MT_MUX_IRTX].base_addr = CLK_CFG_6;
  3069. muxs[MT_MUX_IRDA].base_addr = CLK_CFG_6;
  3070. muxs[MT_MUX_AUD2].base_addr = CLK_CFG_6;
  3071. muxs[MT_MUX_AUD1].base_addr = CLK_CFG_6;
  3072. muxs[MT_MUX_DISPPWM].base_addr = CLK_CFG_7;
  3073. for (i = 0; i < NR_MUXS; i++) {
  3074. mux = &muxs[i];
  3075. #ifdef CONFIG_CLKMGR_STAT
  3076. INIT_LIST_HEAD(&mux->head);
  3077. #endif
  3078. }
  3079. /* muxs[MT_MUX_AUDINTBUS].cnt = 1; */
  3080. /* muxs[MT_MUX_AUDIO].cnt = 1; */
  3081. muxs[MT_MUX_MM].cnt = 1;
  3082. muxs[MT_MUX_MFG].cnt = 1;
  3083. muxs[MT_MUX_MFG13M].cnt = 1;
  3084. muxs[MT_MUX_VDEC].cnt = 1;
  3085. /* muxs[MT_MUX_MJC].cnt = 1; */
  3086. }
  3087. static void mt_clks_init(void)
  3088. {
  3089. int i, j;
  3090. struct cg_grp *grp;
  3091. struct cg_clk *clk;
  3092. clk_writel(MMSYS_DUMMY, clk_readl(DISP_CG_CON0));
  3093. grps[CG_INFRA].set_addr = INFRA_PDN_SET0;
  3094. grps[CG_INFRA].clr_addr = INFRA_PDN_CLR0;
  3095. grps[CG_INFRA].sta_addr = INFRA_PDN_STA0;
  3096. grps[CG_PERI].set_addr = PERI_PDN_SET0;
  3097. grps[CG_PERI].clr_addr = PERI_PDN_CLR0;
  3098. grps[CG_PERI].sta_addr = PERI_PDN_STA0;
  3099. grps[CG_DISP0].set_addr = DISP_CG_SET0;
  3100. grps[CG_DISP0].clr_addr = DISP_CG_CLR0;
  3101. grps[CG_DISP0].sta_addr = DISP_CG_CON0;
  3102. grps[CG_DISP0].dummy_addr = MMSYS_DUMMY;
  3103. grps[CG_DISP1].set_addr = DISP_CG_SET1;
  3104. grps[CG_DISP1].clr_addr = DISP_CG_CLR1;
  3105. grps[CG_DISP1].sta_addr = DISP_CG_CON1;
  3106. grps[CG_IMAGE].set_addr = IMG_CG_SET;
  3107. grps[CG_IMAGE].clr_addr = IMG_CG_CLR;
  3108. grps[CG_IMAGE].sta_addr = IMG_CG_CON;
  3109. grps[CG_MFG].set_addr = MFG_CG_SET;
  3110. grps[CG_MFG].clr_addr = MFG_CG_CLR;
  3111. grps[CG_MFG].sta_addr = MFG_CG_CON;
  3112. grps[CG_AUDIO].sta_addr = AUDIO_TOP_CON0;
  3113. grps[CG_VDEC0].clr_addr = VDEC_CKEN_SET;
  3114. grps[CG_VDEC0].set_addr = VDEC_CKEN_CLR;
  3115. grps[CG_VDEC1].clr_addr = LARB_CKEN_SET;
  3116. grps[CG_VDEC1].set_addr = LARB_CKEN_CLR;
  3117. grps[CG_VENC].clr_addr = VENC_CG_SET;
  3118. grps[CG_VENC].set_addr = VENC_CG_CLR;
  3119. grps[CG_VENC].sta_addr = VENC_CG_CON;
  3120. for (i = 0; i < NR_GRPS; i++) {
  3121. grp = &grps[i];
  3122. grp->state = grp->ops->get_state(grp);
  3123. /* clk_info("[%s]: grps=%d\n", __func__, i); */
  3124. for (j = 0; j < 32; j++) {
  3125. if (grp->mask & (1U << j)) {
  3126. clk = &clks[i * 32 + j];
  3127. /* clk->grp = grp; */
  3128. /* clk->cnt = 0; */
  3129. clk->mask = 1U << j;
  3130. clk->state = clk->ops->get_state(clk);
  3131. /* (grp->state & clk->mask) ? PWR_DOWN : PWR_ON; */
  3132. /* clk_info("[%s]: clk=%d, clk->state=%d\n", __func__, j, clk->state); */
  3133. #ifdef CONFIG_CLKMGR_STAT
  3134. INIT_LIST_HEAD(&clk->head);
  3135. #endif
  3136. }
  3137. }
  3138. }
  3139. clks[MT_CG_PERI_DISP_PWM].mux = &muxs[MT_MUX_DISPPWM];
  3140. clks[MT_CG_PERI_USB0].mux = &muxs[MT_MUX_USB20];
  3141. clks[MT_CG_PERI_IRDA].mux = &muxs[MT_MUX_IRDA];
  3142. clks[MT_CG_PERI_MSDC30_0].mux = &muxs[MT_MUX_MSDC30_0];
  3143. clks[MT_CG_PERI_MSDC30_1].mux = &muxs[MT_MUX_MSDC30_1];
  3144. clks[MT_CG_PERI_MSDC30_2].mux = &muxs[MT_MUX_MSDC30_2];
  3145. clks[MT_CG_PERI_MSDC30_3].mux = &muxs[MT_MUX_MSDC30_3];
  3146. clks[MT_CG_PERI_UART0].mux = &muxs[MT_MUX_UART];
  3147. clks[MT_CG_PERI_UART1].mux = &muxs[MT_MUX_UART];
  3148. clks[MT_CG_PERI_UART2].mux = &muxs[MT_MUX_UART];
  3149. clks[MT_CG_PERI_UART3].mux = &muxs[MT_MUX_UART];
  3150. clks[MT_CG_PERI_UART4].mux = &muxs[MT_MUX_UART];
  3151. clks[MT_CG_PERI_SPI0].mux = &muxs[MT_MUX_SPI];
  3152. clks[MT_CG_PERI_IRTX].mux = &muxs[MT_MUX_IRTX];
  3153. clks[MT_CG_AUDIO_AFE].mux = &muxs[MT_MUX_AUDINTBUS];
  3154. clks[MT_CG_AUDIO_I2S].mux = &muxs[MT_MUX_AUDINTBUS];
  3155. clks[MT_CG_AUDIO_22M].mux = &muxs[MT_MUX_AUDINTBUS];
  3156. clks[MT_CG_AUDIO_24M].mux = &muxs[MT_MUX_AUDINTBUS];
  3157. clks[MT_CG_AUDIO_APLL2_TUNER].mux = &muxs[MT_MUX_AUDINTBUS];
  3158. clks[MT_CG_AUDIO_APLL_TUNER].mux = &muxs[MT_MUX_AUDINTBUS];
  3159. clks[MT_CG_AUDIO_ADC].mux = &muxs[MT_MUX_AUDINTBUS];
  3160. clks[MT_CG_AUDIO_DAC].mux = &muxs[MT_MUX_AUDINTBUS];
  3161. clks[MT_CG_AUDIO_DAC_PREDIS].mux = &muxs[MT_MUX_AUDINTBUS];
  3162. clks[MT_CG_AUDIO_TML].mux = &muxs[MT_MUX_AUDINTBUS];
  3163. clks[MT_CG_INFRA_AUDIO].mux = &muxs[MT_MUX_AUDINTBUS];
  3164. clks[MT_CG_IMAGE_SEN_TG].mux = &muxs[MT_MUX_CAMTG];
  3165. clks[MT_CG_DISP1_DPI_PIXEL].mux = &muxs[MT_MUX_DPI0];
  3166. #if MT_CCF_BRINGUP
  3167. /* Don't disable these clock until it's clk_clr_force_on() is called */
  3168. clk_set_force_on_locked(&clks[MT_CG_DISP0_SMI_LARB0]);
  3169. clk_set_force_on_locked(&clks[MT_CG_DISP0_SMI_COMMON]);
  3170. #endif /* MT_CCF_BRINGUP */
  3171. }
  3172. /* #endif //#ifndef Bring_Up */
  3173. #ifdef CONFIG_OF
  3174. void iomap(void)
  3175. {
  3176. struct device_node *node;
  3177. /* apmixed */
  3178. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-apmixedsys");
  3179. if (!node)
  3180. pr_err("[CLK_APMIXED] find node failed\n");
  3181. clk_apmixed_base = of_iomap(node, 0);
  3182. if (!clk_apmixed_base)
  3183. pr_err("[CLK_APMIXED] base failed\n");
  3184. /* cksys_base */
  3185. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-topckgen");
  3186. if (!node)
  3187. pr_err("[CLK_CKSYS] find node failed\n");
  3188. clk_cksys_base = of_iomap(node, 0);
  3189. if (!clk_cksys_base)
  3190. pr_err("[CLK_CKSYS] base failed\n");
  3191. /* infracfg_ao */
  3192. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-infrasys");
  3193. if (!node)
  3194. pr_err("[CLK_INFRACFG_AO] find node failed\n");
  3195. clk_infracfg_ao_base = of_iomap(node, 0);
  3196. if (!clk_infracfg_ao_base)
  3197. pr_err("[CLK_INFRACFG_AO] base failed\n");
  3198. /* pericfg_base */
  3199. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-perisys");
  3200. if (!node)
  3201. pr_err("[PERICFG] find node failed\n");
  3202. clk_pericfg_base = of_iomap(node, 0);
  3203. if (!clk_pericfg_base)
  3204. pr_err("[PERICFG] base failed\n");
  3205. /* audio */
  3206. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-audiosys");
  3207. if (!node)
  3208. pr_err("[CLK_AUDIO] find node failed\n");
  3209. clk_audio_base = of_iomap(node, 0);
  3210. if (!clk_audio_base)
  3211. pr_err("[CLK_AUDIO] base failed\n");
  3212. /* mfgcfg */
  3213. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-mfgsys");
  3214. if (!node)
  3215. pr_err("[CLK_G3D_CONFIG] find node failed\n");
  3216. clk_mfgcfg_base = of_iomap(node, 0);
  3217. if (!clk_mfgcfg_base)
  3218. pr_err("[CLK_G3D_CONFIG] base failed\n");
  3219. /* mmsys_config */
  3220. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-mmsys");
  3221. if (!node)
  3222. pr_err("[CLK_MMSYS_CONFIG] find node failed\n");
  3223. clk_mmsys_config_base = of_iomap(node, 0);
  3224. if (!clk_mmsys_config_base)
  3225. pr_err("[CLK_MMSYS_CONFIG] base failed\n");
  3226. /* imgsys */
  3227. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-imgsys");
  3228. if (!node)
  3229. pr_err("[CLK_IMGSYS_CONFIG] find node failed\n");
  3230. clk_imgsys_base = of_iomap(node, 0);
  3231. if (!clk_imgsys_base)
  3232. pr_err("[CLK_IMGSYS_CONFIG] base failed\n");
  3233. /* vdec_gcon */
  3234. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-vdec_gcon");
  3235. if (!node)
  3236. pr_err("[CLK_VDEC_GCON] find node failed\n");
  3237. clk_vdec_gcon_base = of_iomap(node, 0);
  3238. if (!clk_vdec_gcon_base)
  3239. pr_err("[CLK_VDEC_GCON] base failed\n");
  3240. /* venc_gcon */
  3241. node = of_find_compatible_node(NULL, NULL, "mediatek,mt6735-venc_gcon");
  3242. if (!node)
  3243. pr_err("[CLK_VENC_GCON] find node failed\n");
  3244. clk_venc_gcon_base = of_iomap(node, 0);
  3245. if (!clk_venc_gcon_base)
  3246. pr_err("[CLK_VENC_GCON] base failed\n");
  3247. }
  3248. #endif
  3249. int mt_clkmgr_init(void)
  3250. {
  3251. iomap();
  3252. BUG_ON(initialized);
  3253. /*
  3254. spm_mtcmos_ctrl_vdec(STA_POWER_DOWN);
  3255. spm_mtcmos_ctrl_venc(STA_POWER_DOWN);
  3256. spm_mtcmos_ctrl_isp(STA_POWER_DOWN);
  3257. spm_mtcmos_ctrl_mfg(STA_POWER_DOWN);
  3258. */
  3259. spm_mtcmos_ctrl_vdec(STA_POWER_ON);
  3260. spm_mtcmos_ctrl_venc(STA_POWER_ON);
  3261. spm_mtcmos_ctrl_isp(STA_POWER_ON);
  3262. spm_mtcmos_ctrl_mfg(STA_POWER_ON);
  3263. /* spm_mtcmos_ctrl_connsys(STA_POWER_ON); */
  3264. #if MT_CCF_BRINGUP
  3265. cg_all_force_on();
  3266. #endif /* MT_CCF_BRINGUP */
  3267. #if !MT_CCF_BRINGUP
  3268. cg_bootup_pdn();
  3269. #endif /* !MT_CCF_BRINGUP */
  3270. mt_plls_init();
  3271. mt_subsys_init();
  3272. mt_muxs_init();
  3273. mt_clks_init();
  3274. #if !MT_CCF_BRINGUP
  3275. pll_bootup_pdn();
  3276. #endif /* !MT_CCF_BRINGUP */
  3277. initialized = 1;
  3278. mt_freqhopping_init();
  3279. print_grp_regs();
  3280. pr_warn("%s: CLKMGR_INCFILE_VER=%s\n", __func__, CLKMGR_INCFILE_VER);
  3281. return 0;
  3282. }
  3283. #define VEN_PWR_STA_MASK (0x1 << 8)
  3284. #define VDE_PWR_STA_MASK (0x1 << 7)
  3285. #define ISP_PWR_STA_MASK (0x1 << 5)
  3286. #define MFG_PWR_STA_MASK (0x1 << 4)
  3287. bool clkmgr_idle_can_enter(unsigned int *condition_mask, unsigned int *block_mask)
  3288. {
  3289. int i, j;
  3290. unsigned int sd_mask = 0;
  3291. unsigned int cg_mask = 0;
  3292. #ifdef PLL_CLK_LINK
  3293. unsigned int sta;
  3294. #endif
  3295. msdc_clk_status(&sd_mask);
  3296. if (sd_mask) {
  3297. block_mask[CG_PERI] |= sd_mask;
  3298. return false;
  3299. }
  3300. for (i = CG_INFRA; i < NR_GRPS; i++) {
  3301. cg_mask = grps[i].state & condition_mask[i];
  3302. if (cg_mask) {
  3303. for (j = CG_INFRA; j < NR_GRPS; j++)
  3304. block_mask[j] = grps[j].state & condition_mask[j];
  3305. /* block_mask[i] |= cg_mask; */
  3306. return false;
  3307. }
  3308. }
  3309. #ifdef PLL_CLK_LINK
  3310. sta = clk_readl(SPM_PWR_STATUS);
  3311. if (sta & (MFG_PWR_STA_MASK | ISP_PWR_STA_MASK | VDE_PWR_STA_MASK | VEN_PWR_STA_MASK))
  3312. return false;
  3313. #endif
  3314. return true;
  3315. }
  3316. static unsigned int clk_cfg_4;
  3317. void clkmgr_faudintbus_pll2sq(void)
  3318. {
  3319. clk_cfg_4 = clk_readl(CLK_CFG_4);
  3320. clk_writel(CLK_CFG_4, clk_cfg_4 & 0xFFFFFCFF);
  3321. }
  3322. void clkmgr_faudintbus_sq2pll(void)
  3323. {
  3324. clk_writel(CLK_CFG_4, clk_cfg_4);
  3325. }
  3326. /************************************************
  3327. ********** function debug **********
  3328. ************************************************/
  3329. static int pll_test_read(struct seq_file *m, void *v)
  3330. {
  3331. int i, j;
  3332. int cnt;
  3333. unsigned int value[3];
  3334. const char *name;
  3335. seq_puts(m, "********** pll register dump **********\n");
  3336. for (i = 0; i < NR_PLLS; i++) {
  3337. name = pll_get_name(i);
  3338. cnt = pll_dump_regs(i, value);
  3339. for (j = 0; j < cnt; j++)
  3340. seq_printf(m, "[%d][%-7s reg%d]=[0x%08x]\n", i, name, j, value[j]);
  3341. }
  3342. seq_puts(m, "\n********** pll_test help **********\n");
  3343. seq_puts(m, "enable pll: echo enable id [mod_name] > /proc/clkmgr/pll_test\n");
  3344. seq_puts(m, "disable pll: echo disable id [mod_name] > /proc/clkmgr/pll_test\n");
  3345. return 0;
  3346. }
  3347. static ssize_t pll_test_write(struct file *file, const char __user *buffer,
  3348. size_t count, loff_t *data) {
  3349. char desc[32];
  3350. int len = 0;
  3351. char cmd[10];
  3352. char mod_name[10];
  3353. int id;
  3354. int err = 0;
  3355. len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
  3356. if (copy_from_user(desc, buffer, len))
  3357. return 0;
  3358. desc[len] = '\0';
  3359. if (sscanf(desc, "%9s %d %9s", cmd, &id, mod_name) == 3) {
  3360. if (!strcmp(cmd, "enable"))
  3361. err = enable_pll(id, mod_name);
  3362. else if (!strcmp(cmd, "disable"))
  3363. err = disable_pll(id, mod_name);
  3364. } else if (sscanf(desc, "%9s %d", cmd, &id) == 2) {
  3365. if (!strcmp(cmd, "enable"))
  3366. err = enable_pll(id, "pll_test");
  3367. else if (!strcmp(cmd, "disable"))
  3368. err = disable_pll(id, "pll_test");
  3369. }
  3370. clk_info("[%s]%s pll %d: result is %d\n", __func__, cmd, id, err);
  3371. return count;
  3372. }
  3373. static int pll_fsel_read(struct seq_file *m, void *v)
  3374. {
  3375. int i;
  3376. int cnt;
  3377. unsigned int value[3] = {
  3378. 0, 0, 0};
  3379. const char *name;
  3380. for (i = 0; i < NR_PLLS; i++) {
  3381. name = pll_get_name(i);
  3382. if (pll_is_on(i)) {
  3383. cnt = pll_dump_regs(i, value);
  3384. if (cnt >= 2) {
  3385. seq_printf(m, "[%d][%-7s]=[0x%08x%08x]\n", i, name, value[0],
  3386. value[1]);
  3387. } else {
  3388. seq_printf(m, "[%d][%-7s]=[0x%08x]\n", i, name, value[0]);
  3389. }
  3390. } else {
  3391. seq_printf(m, "[%d][%-7s]=[-1]\n", i, name);
  3392. }
  3393. }
  3394. seq_puts(m, "\n********** pll_fsel help **********\n");
  3395. seq_puts(m, "adjust pll frequency: echo id freq > /proc/clkmgr/pll_fsel\n");
  3396. return 0;
  3397. }
  3398. static ssize_t pll_fsel_write(struct file *file, const char __user *buffer,
  3399. size_t count, loff_t *data) {
  3400. char desc[32];
  3401. int len = 0;
  3402. int id;
  3403. unsigned int value;
  3404. len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
  3405. if (copy_from_user(desc, buffer, len))
  3406. return 0;
  3407. desc[len] = '\0';
  3408. if (sscanf(desc, "%d %x", &id, &value) == 2)
  3409. pll_fsel(id, value);
  3410. return count;
  3411. }
  3412. #ifdef CONFIG_CLKMGR_STAT
  3413. static int pll_stat_read(struct seq_file *m, void *v)
  3414. {
  3415. struct pll *pll;
  3416. struct list_head *pos;
  3417. struct stat_node *node;
  3418. int i;
  3419. seq_puts(m, "\n********** pll stat dump **********\n");
  3420. for (i = 0; i < NR_PLLS; i++) {
  3421. pll = id_to_pll(i);
  3422. seq_printf(m, "[%d][%-7s]state=%u, cnt=%u", i, pll->name, pll->state, pll->cnt);
  3423. list_for_each(pos, &pll->head) {
  3424. node = list_entry(pos, struct stat_node, link);
  3425. seq_printf(m, "\t(%s,%u,%u)", node->name, node->cnt_on, node->cnt_off);
  3426. }
  3427. seq_puts(m, "\n");
  3428. }
  3429. seq_puts(m, "\n********** pll_dump help **********\n");
  3430. return 0;
  3431. }
  3432. #endif
  3433. static int subsys_test_read(struct seq_file *m, void *v)
  3434. {
  3435. int i;
  3436. int state;
  3437. unsigned int value = 0, sta = 0, sta_s = 0;
  3438. const char *name;
  3439. sta = clk_readl(SPM_PWR_STATUS);
  3440. sta_s = clk_readl(SPM_PWR_STATUS_2ND);
  3441. seq_puts(m, "********** subsys register dump **********\n");
  3442. for (i = 0; i < NR_SYSS; i++) {
  3443. name = subsys_get_name(i);
  3444. state = subsys_is_on(i);
  3445. subsys_dump_regs(i, &value);
  3446. seq_printf(m, "[%d][%-7s]=[0x%08x], state(%u)\n", i, name, value, state);
  3447. }
  3448. seq_printf(m, "SPM_PWR_STATUS=0x%08x, SPM_PWR_STATUS_2ND=0x%08x\n", sta, sta_s);
  3449. seq_puts(m, "\n********** subsys_test help **********\n");
  3450. seq_puts(m, "enable subsys: echo enable id > /proc/clkmgr/subsys_test\n");
  3451. seq_puts(m, "disable subsys: echo disable id [force_off] > /proc/clkmgr/subsys_test\n");
  3452. return 0;
  3453. }
  3454. static ssize_t subsys_test_write(struct file *file, const char __user *buffer,
  3455. size_t count, loff_t *data) {
  3456. char desc[32];
  3457. int len = 0;
  3458. char cmd[10];
  3459. int id;
  3460. int force_off;
  3461. int err = 0;
  3462. len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
  3463. if (copy_from_user(desc, buffer, len))
  3464. return 0;
  3465. desc[len] = '\0';
  3466. if (sscanf(desc, "%9s %d %d", cmd, &id, &force_off) == 3) {
  3467. if (!strcmp(cmd, "disable"))
  3468. err = disable_subsys_force(id, "test");
  3469. } else if (sscanf(desc, "%9s %d", cmd, &id) == 2) {
  3470. if (!strcmp(cmd, "enable"))
  3471. err = enable_subsys(id, "test");
  3472. else if (!strcmp(cmd, "disable"))
  3473. err = disable_subsys(id, "test");
  3474. }
  3475. clk_info("[%s]%s subsys %d: result is %d\n", __func__, cmd, id, err);
  3476. return count;
  3477. }
  3478. #ifdef CONFIG_CLKMGR_STAT
  3479. static int subsys_stat_read(struct seq_file *m, void *v)
  3480. {
  3481. struct subsys *sys;
  3482. struct list_head *pos;
  3483. struct stat_node *node;
  3484. int i;
  3485. seq_puts(m, "\n********** subsys stat dump **********\n");
  3486. for (i = 0; i < NR_SYSS; i++) {
  3487. sys = id_to_sys(i);
  3488. seq_printf(m, "[%d][%-7s]state=%u", i, sys->name, sys->state);
  3489. list_for_each(pos, &sys->head) {
  3490. node = list_entry(pos, struct stat_node, link);
  3491. seq_printf(m, "\t(%s,%u,%u)", node->name, node->cnt_on, node->cnt_off);
  3492. }
  3493. seq_puts(m, "\n");
  3494. }
  3495. seq_puts(m, "\n********** subsys_dump help **********\n");
  3496. return 0;
  3497. }
  3498. #endif
  3499. static int mux_test_read(struct seq_file *m, void *v)
  3500. {
  3501. seq_puts(m, "********** mux register dump *********\n");
  3502. seq_printf(m, "[CLK_CFG_0]=0x%08x\n", clk_readl(CLK_CFG_0));
  3503. seq_printf(m, "[CLK_CFG_1]=0x%08x\n", clk_readl(CLK_CFG_1));
  3504. seq_printf(m, "[CLK_CFG_2]=0x%08x\n", clk_readl(CLK_CFG_2));
  3505. seq_printf(m, "[CLK_CFG_3]=0x%08x\n", clk_readl(CLK_CFG_3));
  3506. seq_printf(m, "[CLK_CFG_4]=0x%08x\n", clk_readl(CLK_CFG_4));
  3507. seq_printf(m, "[CLK_CFG_5]=0x%08x\n", clk_readl(CLK_CFG_5));
  3508. seq_printf(m, "[CLK_CFG_6]=0x%08x\n", clk_readl(CLK_CFG_6));
  3509. seq_printf(m, "[CLK_CFG_7]=0x%08x\n", clk_readl(CLK_CFG_7));
  3510. seq_puts(m, "\n********** mux_test help *********\n");
  3511. return 0;
  3512. }
  3513. #ifdef CONFIG_CLKMGR_STAT
  3514. static int mux_stat_read(struct seq_file *m, void *v)
  3515. {
  3516. struct clkmux *mux;
  3517. struct list_head *pos;
  3518. struct stat_node *node;
  3519. int i;
  3520. seq_puts(m, "********** mux stat dump **********\n");
  3521. for (i = 0; i < NR_MUXS; i++) {
  3522. mux = id_to_mux(i);
  3523. #if 0
  3524. seq_printf(m, "[%02d][%-14s]state=%u, cnt=%u", i, mux->name, mux->state, mux->cnt);
  3525. #else
  3526. seq_printf(m, "[%02d][%-14s]cnt=%u", i, mux->name, mux->cnt);
  3527. #endif
  3528. list_for_each(pos, &mux->head) {
  3529. node = list_entry(pos, struct stat_node, link);
  3530. seq_printf(m, "\t(%s,%u,%u)", node->name, node->cnt_on, node->cnt_off);
  3531. }
  3532. seq_puts(m, "\n");
  3533. }
  3534. seq_puts(m, "\n********** mux_dump help **********\n");
  3535. return 0;
  3536. }
  3537. #endif
  3538. static int clk_test_read(struct seq_file *m, void *v)
  3539. {
  3540. int i;
  3541. int cnt;
  3542. unsigned int value[3];
  3543. const char *name;
  3544. seq_puts(m, "********** clk register dump **********\n");
  3545. for (i = 0; i < NR_GRPS; i++) {
  3546. name = grp_get_name(i);
  3547. cnt = grp_dump_regs(i, value);
  3548. if (cnt == 1) {
  3549. seq_printf(m, "[%02d][%-8s]=[0x%08x]\n", i, name, value[0]);
  3550. } else if (cnt == 2) {
  3551. seq_printf(m, "[%02d][%-8s]=[0x%08x][0x%08x]\n", i, name, value[0],
  3552. value[1]);
  3553. } else {
  3554. seq_printf(m, "[%02d][%-8s]=[0x%08x][0x%08x][0x%08x]\n", i, name, value[0],
  3555. value[1], value[2]);
  3556. }
  3557. }
  3558. seq_puts(m, "\n********** clk_test help **********\n");
  3559. seq_puts(m, "enable clk: echo enable id [mod_name] > /proc/clkmgr/clk_test\n");
  3560. seq_puts(m, "disable clk: echo disable id [mod_name] > /proc/clkmgr/clk_test\n");
  3561. seq_puts(m, "read state: echo id > /proc/clkmgr/clk_test\n");
  3562. return 0;
  3563. }
  3564. static ssize_t clk_test_write(struct file *file, const char __user *buffer,
  3565. size_t count, loff_t *data) {
  3566. char desc[32];
  3567. int len = 0;
  3568. char cmd[10];
  3569. char mod_name[10];
  3570. int id;
  3571. int err;
  3572. len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
  3573. if (copy_from_user(desc, buffer, len))
  3574. return 0;
  3575. desc[len] = '\0';
  3576. if (sscanf(desc, "%9s %d %9s", cmd, &id, mod_name) == 3) {
  3577. if (!strcmp(cmd, "enable"))
  3578. err = enable_clock(id, mod_name);
  3579. else if (!strcmp(cmd, "disable"))
  3580. err = disable_clock(id, mod_name);
  3581. } else if (sscanf(desc, "%9s %d", cmd, &id) == 2) {
  3582. if (!strcmp(cmd, "enable"))
  3583. err = enable_clock(id, "pll_test");
  3584. else if (!strcmp(cmd, "disable"))
  3585. err = disable_clock(id, "pll_test");
  3586. }
  3587. /* clk_info("[%s]%s clock %d: result is %d\n", __func__, cmd, id, err); */
  3588. return count;
  3589. }
  3590. #ifdef CONFIG_CLKMGR_STAT
  3591. static int clk_stat_read(struct seq_file *m, void *v)
  3592. {
  3593. struct cg_clk *clk;
  3594. struct list_head *pos;
  3595. struct stat_node *node;
  3596. int i, grp, offset;
  3597. int skip;
  3598. seq_puts(m, "\n********** clk stat dump **********\n");
  3599. for (i = 0; i < NR_CLKS; i++) {
  3600. grp = i / 32;
  3601. offset = i % 32;
  3602. if (offset == 0)
  3603. seq_printf(m, "\n*****[%02d][%-8s]*****\n", grp, grp_get_name(grp));
  3604. clk = id_to_clk(i);
  3605. if (!clk || !clk->grp || !clk->ops->check_validity(clk))
  3606. continue;
  3607. skip = (clk->cnt == 0) && (clk->state == 0) && list_empty(&clk->head);
  3608. if (skip)
  3609. continue;
  3610. seq_printf(m, "[%02d]state=%u, cnt=%u", offset, clk->state, clk->cnt);
  3611. list_for_each(pos, &clk->head) {
  3612. node = list_entry(pos, struct stat_node, link);
  3613. seq_printf(m, "\t(%s,%u,%u)", node->name, node->cnt_on, node->cnt_off);
  3614. }
  3615. seq_puts(m, "\n");
  3616. }
  3617. seq_puts(m, "\n********** clk_dump help **********\n");
  3618. return 0;
  3619. }
  3620. void clk_stat_check(int id)
  3621. {
  3622. struct cg_clk *clk;
  3623. struct list_head *pos;
  3624. struct stat_node *node;
  3625. int i, j, grp, offset;
  3626. int skip;
  3627. if (id == SYS_DIS) {
  3628. for (i = CG_DISP0_FROM; i <= CG_DISP0_TO; i++) {
  3629. grp = i / 32;
  3630. offset = i % 32;
  3631. clk = id_to_clk(i);
  3632. if (!clk || !clk->grp || !clk->ops->check_validity(clk))
  3633. continue;
  3634. skip = (clk->cnt == 0) && (clk->state == 0) && list_empty(&clk->head);
  3635. if (skip)
  3636. continue;
  3637. pr_err(" [%02d]state=%u, cnt=%u", offset, clk->state, clk->cnt);
  3638. j = 0;
  3639. list_for_each(pos, &clk->head) {
  3640. node = list_entry(pos, struct stat_node, link);
  3641. pr_err(" (%s,%u,%u)", node->name, node->cnt_on, node->cnt_off);
  3642. if (++j % 3 == 0)
  3643. pr_err("\n \t\t\t\t ");
  3644. }
  3645. pr_err("\n");
  3646. }
  3647. }
  3648. }
  3649. EXPORT_SYMBOL(clk_stat_check);
  3650. static void clk_stat_bug(void)
  3651. {
  3652. struct cg_clk *clk;
  3653. struct list_head *pos;
  3654. struct stat_node *node;
  3655. int i, j, grp, offset;
  3656. int skip;
  3657. for (i = 0; i < NR_CLKS; i++) {
  3658. grp = i / 32;
  3659. offset = i % 32;
  3660. if (offset == 0)
  3661. pr_err("\n*****[%02d][%-8s]*****\n", grp, grp_get_name(grp));
  3662. clk = id_to_clk(i);
  3663. if (!clk || !clk->grp || !clk->ops->check_validity(clk))
  3664. continue;
  3665. skip = (clk->cnt == 0) && (clk->state == 0) && list_empty(&clk->head);
  3666. if (skip)
  3667. continue;
  3668. pr_err(" [%02d]state=%u, cnt=%u", offset, clk->state, clk->cnt);
  3669. j = 0;
  3670. list_for_each(pos, &clk->head) {
  3671. node = list_entry(pos, struct stat_node, link);
  3672. pr_err(" (%s,%u,%u)", node->name, node->cnt_on, node->cnt_off);
  3673. if (++j % 3 == 0)
  3674. pr_err("\n \t\t\t\t ");
  3675. }
  3676. pr_err("\n");
  3677. }
  3678. }
  3679. #endif
  3680. void slp_check_pm_mtcmos_pll(void)
  3681. {
  3682. int i;
  3683. slp_chk_mtcmos_pll_stat = 1;
  3684. #if !defined(CONFIG_MTK_CLKMGR)
  3685. print_grp_regs();
  3686. return;
  3687. #endif /* !defined(CONFIG_MTK_CLKMGR) */
  3688. clk_info("[%s]\n", __func__);
  3689. for (i = 3; i < NR_PLLS; i++) {
  3690. if (i == 8)
  3691. continue;
  3692. if (pll_is_on(i)) {
  3693. slp_chk_mtcmos_pll_stat = -1;
  3694. clk_info("%s: on\n", plls[i].name);
  3695. clk_info("suspend warning: %s is on!!!\n", plls[i].name);
  3696. clk_info("warning! warning! warning! it may cause resume fail\n");
  3697. }
  3698. }
  3699. for (i = 0; i < NR_SYSS; i++) {
  3700. if (subsys_is_on(i)) {
  3701. clk_info("%s: on\n", syss[i].name);
  3702. if (i > SYS_CONN) {
  3703. /* aee_kernel_warning("Suspend Warning","%s is on", subsyss[i].name); */
  3704. slp_chk_mtcmos_pll_stat = -1;
  3705. clk_info("suspend warning: %s is on!!!\n", syss[i].name);
  3706. clk_info("warning! warning! warning! it may cause resume fail\n");
  3707. #ifdef CONFIG_CLKMGR_STAT
  3708. clk_stat_bug();
  3709. #endif
  3710. }
  3711. }
  3712. }
  3713. }
  3714. EXPORT_SYMBOL(slp_check_pm_mtcmos_pll);
  3715. static int clk_force_on_read(struct seq_file *m, void *v)
  3716. {
  3717. int i;
  3718. struct cg_clk *clk;
  3719. seq_puts(m, "********** clk force on info dump **********\n");
  3720. for (i = 0; i < NR_CLKS; i++) {
  3721. clk = &clks[i];
  3722. if (clk->force_on) {
  3723. seq_printf(m, "clock %d (0x%08x @ %s) is force on\n", i,
  3724. clk->mask, clk->grp->name);
  3725. }
  3726. }
  3727. seq_puts(m, "\n********** clk_force_on help **********\n");
  3728. seq_puts(m, "set clk force on: echo set id > /proc/clkmgr/clk_force_on\n");
  3729. seq_puts(m, "clr clk force on: echo clr id > /proc/clkmgr/clk_force_on\n");
  3730. return 0;
  3731. }
  3732. static ssize_t clk_force_on_write(struct file *file, const char __user *buffer,
  3733. size_t count, loff_t *data) {
  3734. char desc[32];
  3735. int len = 0;
  3736. char cmd[10];
  3737. int id;
  3738. len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
  3739. if (copy_from_user(desc, buffer, len))
  3740. return 0;
  3741. desc[len] = '\0';
  3742. if (sscanf(desc, "%9s %d", cmd, &id) == 2) {
  3743. if (!strcmp(cmd, "set"))
  3744. clk_set_force_on(id);
  3745. else if (!strcmp(cmd, "clr"))
  3746. clk_clr_force_on(id);
  3747. }
  3748. return count;
  3749. }
  3750. static int slp_chk_mtcmos_pll_stat_read(struct seq_file *m, void *v)
  3751. {
  3752. seq_printf(m, "%d\n", slp_chk_mtcmos_pll_stat);
  3753. return 0;
  3754. }
  3755. static int armpll_ckdiv_read(struct seq_file *m, void *v)
  3756. {
  3757. seq_printf(m, "TOP_CKDIV1 = 0x%x\n", clk_readl(TOP_CKDIV1));
  3758. return 0;
  3759. }
  3760. static ssize_t armpll_ckdiv_write(struct file *file, const char __user *buffer,
  3761. size_t count, loff_t *data)
  3762. {
  3763. char desc[32];
  3764. int len = 0;
  3765. /* char cmd[10]; */
  3766. int id;
  3767. len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
  3768. if (copy_from_user(desc, buffer, len))
  3769. return 0;
  3770. desc[len] = '\0';
  3771. /* if (sscanf(desc, "%d", &id) == 1) */
  3772. if (kstrtoint(desc, 10, &id) == 0)
  3773. clk_writel(TOP_CKDIV1, id); /* CPU clock divide */
  3774. return count;
  3775. }
  3776. /* for pll_test */
  3777. static int proc_pll_test_open(struct inode *inode, struct file *file)
  3778. {
  3779. return single_open(file, pll_test_read, NULL);
  3780. }
  3781. static const struct file_operations pll_test_proc_fops = {
  3782. .owner = THIS_MODULE,
  3783. .open = proc_pll_test_open,
  3784. .read = seq_read,
  3785. .write = pll_test_write,
  3786. };
  3787. /* for pll_fsel */
  3788. static int proc_pll_fsel_open(struct inode *inode, struct file *file)
  3789. {
  3790. return single_open(file, pll_fsel_read, NULL);
  3791. }
  3792. static const struct file_operations pll_fsel_proc_fops = {
  3793. .owner = THIS_MODULE,
  3794. .open = proc_pll_fsel_open,
  3795. .read = seq_read,
  3796. .write = pll_fsel_write,
  3797. };
  3798. #ifdef CONFIG_CLKMGR_STAT
  3799. /* for pll_stat */
  3800. static int proc_pll_stat_open(struct inode *inode, struct file *file)
  3801. {
  3802. return single_open(file, pll_stat_read, NULL);
  3803. }
  3804. static const struct file_operations pll_stat_proc_fops = {
  3805. .owner = THIS_MODULE,
  3806. .open = proc_pll_stat_open,
  3807. .read = seq_read,
  3808. };
  3809. #endif
  3810. /* for subsys_test */
  3811. static int proc_subsys_test_open(struct inode *inode, struct file *file)
  3812. {
  3813. return single_open(file, subsys_test_read, NULL);
  3814. }
  3815. static const struct file_operations subsys_test_proc_fops = {
  3816. .owner = THIS_MODULE,
  3817. .open = proc_subsys_test_open,
  3818. .read = seq_read,
  3819. .write = subsys_test_write
  3820. };
  3821. #ifdef CONFIG_CLKMGR_STAT
  3822. /* for subsys_stat */
  3823. static int proc_subsys_stat_open(struct inode *inode, struct file *file)
  3824. {
  3825. return single_open(file, subsys_stat_read, NULL);
  3826. }
  3827. static const struct file_operations subsys_stat_proc_fops = {
  3828. .owner = THIS_MODULE,
  3829. .open = proc_subsys_stat_open,
  3830. .read = seq_read,
  3831. };
  3832. #endif
  3833. /* for mux_test */
  3834. static int proc_mux_test_open(struct inode *inode, struct file *file)
  3835. {
  3836. return single_open(file, mux_test_read, NULL);
  3837. }
  3838. static const struct file_operations mux_test_proc_fops = {
  3839. .owner = THIS_MODULE,
  3840. .open = proc_mux_test_open,
  3841. .read = seq_read,
  3842. };
  3843. #ifdef CONFIG_CLKMGR_STAT
  3844. /* for mux_stat */
  3845. static int proc_mux_stat_open(struct inode *inode, struct file *file)
  3846. {
  3847. return single_open(file, mux_stat_read, NULL);
  3848. }
  3849. static const struct file_operations mux_stat_proc_fops = {
  3850. .owner = THIS_MODULE,
  3851. .open = proc_mux_stat_open,
  3852. .read = seq_read,
  3853. };
  3854. #endif
  3855. /* for clk_test */
  3856. static int proc_clk_test_open(struct inode *inode, struct file *file)
  3857. {
  3858. return single_open(file, clk_test_read, NULL);
  3859. }
  3860. static const struct file_operations clk_test_proc_fops = {
  3861. .owner = THIS_MODULE,
  3862. .open = proc_clk_test_open,
  3863. .read = seq_read,
  3864. .write = clk_test_write,
  3865. };
  3866. #ifdef CONFIG_CLKMGR_STAT
  3867. /* for clk_stat */
  3868. static int proc_clk_stat_open(struct inode *inode, struct file *file)
  3869. {
  3870. return single_open(file, clk_stat_read, NULL);
  3871. }
  3872. static const struct file_operations clk_stat_proc_fops = {
  3873. .owner = THIS_MODULE,
  3874. .open = proc_clk_stat_open,
  3875. .read = seq_read,
  3876. };
  3877. #endif
  3878. /* for clk_force_on */
  3879. static int proc_clk_force_on_open(struct inode *inode, struct file *file)
  3880. {
  3881. return single_open(file, clk_force_on_read, NULL);
  3882. }
  3883. static const struct file_operations clk_force_on_proc_fops = {
  3884. .owner = THIS_MODULE,
  3885. .open = proc_clk_force_on_open,
  3886. .read = seq_read,
  3887. .write = clk_force_on_write,
  3888. };
  3889. /* for slp_check_pm_mtcmos_pll */
  3890. static int proc_slp_chk_mtcmos_pll_stat_open(struct inode *inode, struct file *file)
  3891. {
  3892. return single_open(file, slp_chk_mtcmos_pll_stat_read, NULL);
  3893. }
  3894. static const struct file_operations slp_chk_mtcmos_pll_stat_proc_fops = {
  3895. .owner = THIS_MODULE,
  3896. .open = proc_slp_chk_mtcmos_pll_stat_open,
  3897. .read = seq_read,
  3898. };
  3899. /* for armpll_ckdiv */
  3900. static int proc_armpll_ckdiv_open(struct inode *inode, struct file *file)
  3901. {
  3902. return single_open(file, armpll_ckdiv_read, NULL);
  3903. }
  3904. static const struct file_operations armpll_ckdiv_proc_fops = {
  3905. .owner = THIS_MODULE,
  3906. .open = proc_armpll_ckdiv_open,
  3907. .read = seq_read,
  3908. .write = armpll_ckdiv_write,
  3909. };
  3910. void mt_clkmgr_debug_init(void)
  3911. {
  3912. /* use proc_create */
  3913. struct proc_dir_entry *entry;
  3914. struct proc_dir_entry *clkmgr_dir;
  3915. clkmgr_dir = proc_mkdir("clkmgr", NULL);
  3916. if (!clkmgr_dir) {
  3917. clk_err("[%s]: fail to mkdir /proc/clkmgr\n", __func__);
  3918. return;
  3919. }
  3920. entry = proc_create("pll_test", S_IRUGO | S_IWUSR, clkmgr_dir, &pll_test_proc_fops);
  3921. entry = proc_create("pll_fsel", S_IRUGO | S_IWUSR, clkmgr_dir, &pll_fsel_proc_fops);
  3922. #ifdef CONFIG_CLKMGR_STAT
  3923. entry = proc_create("pll_stat", S_IRUGO, clkmgr_dir, &pll_stat_proc_fops);
  3924. #endif
  3925. entry = proc_create("subsys_test", S_IRUGO | S_IWUSR, clkmgr_dir, &subsys_test_proc_fops);
  3926. #ifdef CONFIG_CLKMGR_STAT
  3927. entry = proc_create("subsys_stat", S_IRUGO, clkmgr_dir, &subsys_stat_proc_fops);
  3928. #endif
  3929. entry = proc_create("mux_test", S_IRUGO, clkmgr_dir, &mux_test_proc_fops);
  3930. #ifdef CONFIG_CLKMGR_STAT
  3931. entry = proc_create("mux_stat", S_IRUGO, clkmgr_dir, &mux_stat_proc_fops);
  3932. #endif
  3933. entry = proc_create("clk_test", S_IRUGO | S_IWUSR, clkmgr_dir, &clk_test_proc_fops);
  3934. #ifdef CONFIG_CLKMGR_STAT
  3935. entry = proc_create("clk_stat", S_IRUGO, clkmgr_dir, &clk_stat_proc_fops);
  3936. #endif
  3937. entry = proc_create("clk_force_on", S_IRUGO | S_IWUSR, clkmgr_dir, &clk_force_on_proc_fops);
  3938. entry =
  3939. proc_create("slp_chk_mtcmos_pll_stat", S_IRUGO, clkmgr_dir,
  3940. &slp_chk_mtcmos_pll_stat_proc_fops);
  3941. entry = proc_create("armpll_ckdiv", S_IRUGO, clkmgr_dir, &armpll_ckdiv_proc_fops);
  3942. }
  3943. struct platform_device clkmgr_device = {
  3944. .name = "CLK",
  3945. .id = -1,
  3946. .dev = {},
  3947. };
  3948. int clk_pm_restore_noirq(struct device *device)
  3949. {
  3950. struct subsys *sys;
  3951. sys = &syss[SYS_DIS];
  3952. sys->state = sys->ops->get_state(sys);
  3953. muxs[MT_MUX_MM].cnt = 1;
  3954. plls[VENCPLL].cnt = 1;
  3955. /* es_flag = 0; */
  3956. clk_set_force_on_locked(&clks[MT_CG_DISP0_SMI_LARB0]);
  3957. clk_set_force_on_locked(&clks[MT_CG_DISP0_SMI_COMMON]);
  3958. clk_info("clk_pm_restore_noirq\n");
  3959. return 0;
  3960. }
  3961. #ifdef CONFIG_PM
  3962. const struct dev_pm_ops clkmgr_pm_ops = {
  3963. .restore_noirq = clk_pm_restore_noirq,
  3964. };
  3965. #endif
  3966. #ifdef CONFIG_OF
  3967. static const struct of_device_id mt_clkmgr_of_match[] = {
  3968. { .compatible = "mediatek,mt6735-apmixedsys", },
  3969. {},
  3970. };
  3971. #endif
  3972. static struct platform_driver clkmgr_driver = {
  3973. .driver = {
  3974. .name = "CLK",
  3975. #ifdef CONFIG_PM
  3976. .pm = &clkmgr_pm_ops,
  3977. #endif
  3978. .owner = THIS_MODULE,
  3979. #ifdef CONFIG_OF
  3980. .of_match_table = mt_clkmgr_of_match,
  3981. #endif
  3982. },};
  3983. static int mt_clkmgr_debug_module_init(void)
  3984. {
  3985. int ret;
  3986. mt_clkmgr_debug_init();
  3987. ret = platform_device_register(&clkmgr_device);
  3988. if (ret) {
  3989. clk_info("clkmgr_device register fail(%d)\n", ret);
  3990. return ret;
  3991. }
  3992. ret = platform_driver_register(&clkmgr_driver);
  3993. if (ret) {
  3994. clk_info("clkmgr_driver register fail(%d)\n", ret);
  3995. return ret;
  3996. }
  3997. return 0;
  3998. }
  3999. static int __init mt_clkmgr_late_init(void)
  4000. {
  4001. #ifdef Bring_Up
  4002. return 0;
  4003. #endif
  4004. mt_enable_clock(MT_CG_DISP1_DPI_PIXEL, "clkmgr");
  4005. mt_disable_clock(MT_CG_DISP1_DPI_PIXEL, "clkmgr");
  4006. mt_enable_clock(MT_CG_IMAGE_LARB2_SMI, "clkmgr");
  4007. mt_disable_clock(MT_CG_IMAGE_LARB2_SMI, "clkmgr");
  4008. mt_enable_clock(MT_CG_VDEC0_VDEC, "clkmgr");
  4009. mt_disable_clock(MT_CG_VDEC0_VDEC, "clkmgr");
  4010. mt_enable_clock(MT_CG_VENC_LARB, "clkmgr");
  4011. mt_disable_clock(MT_CG_VENC_LARB, "clkmgr");
  4012. enable_mux(MT_MUX_AUD1, "clkmgr");
  4013. disable_mux(MT_MUX_AUD1, "clkmgr");
  4014. enable_mux(MT_MUX_AUD2, "clkmgr");
  4015. disable_mux(MT_MUX_AUD2, "clkmgr");
  4016. print_grp_regs();
  4017. return 0;
  4018. }
  4019. module_init(mt_clkmgr_debug_module_init);
  4020. late_initcall(mt_clkmgr_late_init);
  4021. void all_force_off(void)
  4022. {
  4023. #if 0
  4024. clk_info("All force off\n");
  4025. /* MTCMOS */
  4026. spm_mtcmos_ctrl_mdsys1(STA_POWER_DOWN);
  4027. spm_mtcmos_ctrl_mdsys2(STA_POWER_DOWN);
  4028. spm_mtcmos_ctrl_connsys(STA_POWER_DOWN);
  4029. spm_mtcmos_ctrl_disp(STA_POWER_DOWN);
  4030. spm_mtcmos_ctrl_mfg(STA_POWER_DOWN);
  4031. spm_mtcmos_ctrl_isp(STA_POWER_DOWN);
  4032. spm_mtcmos_ctrl_vdec(STA_POWER_DOWN);
  4033. spm_mtcmos_ctrl_venc(STA_POWER_DOWN);
  4034. /* PLL */
  4035. enable_pll(MSDCPLL, "clk");
  4036. disable_pll(MSDCPLL, "clk");
  4037. enable_pll(UNIVPLL, "clk");
  4038. disable_pll(UNIVPLL, "clk");
  4039. enable_pll(MMPLL, "clk");
  4040. disable_pll(MMPLL, "clk");
  4041. enable_pll(VENCPLL, "clk");
  4042. disable_pll(VENCPLL, "clk");
  4043. enable_pll(TVDPLL, "clk");
  4044. disable_pll(TVDPLL, "clk");
  4045. enable_pll(APLL1, "clk");
  4046. disable_pll(APLL1, "clk");
  4047. enable_pll(APLL2, "clk");
  4048. disable_pll(APLL2, "clk");
  4049. /* mmpll */
  4050. clk_clrl(MMPLL_CON0, 0x1);
  4051. clk_setl(MMPLL_PWR_CON0, PLL_ISO_EN);
  4052. clk_clrl(MMPLL_PWR_CON0, PLL_PWR_ON);
  4053. /* vencpll */
  4054. clk_clrl(VENCPLL_CON0, 0x1);
  4055. clk_setl(VENCPLL_PWR_CON0, PLL_ISO_EN);
  4056. clk_clrl(VENCPLL_PWR_CON0, PLL_PWR_ON);
  4057. /* UNIVPLL */
  4058. clk_clrl(UNIVPLL_CON0, RST_BAR_MASK);
  4059. clk_clrl(UNIVPLL_CON0, 0x1);
  4060. clk_setl(UNIVPLL_PWR_CON0, PLL_ISO_EN);
  4061. clk_clrl(UNIVPLL_PWR_CON0, PLL_PWR_ON);
  4062. clk_info("UNIVPLL_CON0=0x%x\n", clk_readl(UNIVPLL_CON0));
  4063. clk_info("MMPLL_CON0=0x%x\n", clk_readl(MMPLL_CON0));
  4064. clk_info("MSDCPLL_CON0=0x%x\n", clk_readl(MSDCPLL_CON0));
  4065. clk_info("VENCPLL_CON0=0x%x\n", clk_readl(VENCPLL_CON0));
  4066. clk_info("TVDPLL_CON0=0x%x\n", clk_readl(TVDPLL_CON0));
  4067. clk_info("APLL1_CON0=0x%x\n", clk_readl(APLL1_CON0));
  4068. clk_info("APLL2_CON0=0x%x\n", clk_readl(APLL2_CON0));
  4069. #endif
  4070. }
  4071. EXPORT_SYMBOL(all_force_off);
  4072. /*************CLKM****************/
  4073. #if 1
  4074. int clk_monitor_0(enum ckmon_sel ckmon, enum monitor_clk_sel_0 sel, int div)
  4075. {
  4076. unsigned long flags;
  4077. unsigned int temp;
  4078. if ((div > 255) || (ckmon > 0)) {
  4079. clk_info("CLK_Monitor_0 error parameter\n");
  4080. return 1;
  4081. }
  4082. clkmgr_lock(flags);
  4083. temp = clk_readl(CLK26CALI_0);
  4084. clk_writel(CLK26CALI_0, temp | 0x80);
  4085. clk_writel(CLK_CFG_8, sel << 8);
  4086. temp = clk_readl(CLK_MISC_CFG_1);
  4087. clk_writel(CLK_MISC_CFG_1, div & 0xff);
  4088. clk_info("CLK_Monitor_0 Reg: CLK26CALI_0=0x%x, CLK_CFG_8=0x%x, CLK_MISC_CFG_1=0x%x\n",
  4089. clk_readl(CLK26CALI_0), clk_readl(CLK_CFG_8), clk_readl(CLK_MISC_CFG_1));
  4090. clkmgr_unlock(flags);
  4091. return 0;
  4092. }
  4093. EXPORT_SYMBOL(clk_monitor_0);
  4094. int clk_monitor(enum ckmon_sel ckmon, enum monitor_clk_sel sel, int div)
  4095. {
  4096. unsigned long flags;
  4097. unsigned int ckmon_shift = 0;
  4098. unsigned int temp;
  4099. if ((div > 255) || (ckmon == 0)) {
  4100. clk_info("CLK_Monitor error parameter\n");
  4101. return 1;
  4102. }
  4103. clkmgr_lock(flags);
  4104. #if 0
  4105. if (ckmon == 1)
  4106. ckmon_shift = 0;
  4107. else if (ckmon == 2)
  4108. ckmon_shift = 8;
  4109. else if (ckmon == 3)
  4110. ckmon_shift = 16;
  4111. #else
  4112. ckmon_shift = (ckmon - 1) << 3;
  4113. #endif
  4114. temp = clk_readl(CLK_CFG_10);
  4115. temp = temp & (~(0xf << ckmon_shift));
  4116. temp = temp | ((sel & 0xf) << ckmon_shift);
  4117. clk_writel(CLK_CFG_10, temp);
  4118. temp = clk_readl(CLK_CFG_11);
  4119. temp = temp & (~(0xff << ckmon_shift));
  4120. temp = temp | ((div & 0xff) << ckmon_shift);
  4121. clk_writel(CLK_CFG_11, temp);
  4122. clk_info("CLK_Monitor Reg: CLK_CFG_10=0x%x, CLK_CFG_11=0x%x\n", clk_readl(CLK_CFG_10),
  4123. clk_readl(CLK_CFG_11));
  4124. clkmgr_unlock(flags);
  4125. return 0;
  4126. }
  4127. EXPORT_SYMBOL(clk_monitor);
  4128. #endif