22 int mhi_rddm_prepare(struct mhi_controller *mhi_cntrl,  in mhi_rddm_prepare()  argument
27 	void __iomem *base = mhi_cntrl->bhie;  in mhi_rddm_prepare()
28 	struct device *dev = &mhi_cntrl->mhi_dev->dev;  in mhi_rddm_prepare()
40 	mhi_write_reg(mhi_cntrl, base, BHIE_RXVECADDR_HIGH_OFFS,  in mhi_rddm_prepare()
43 	mhi_write_reg(mhi_cntrl, base, BHIE_RXVECADDR_LOW_OFFS,  in mhi_rddm_prepare()
46 	mhi_write_reg(mhi_cntrl, base, BHIE_RXVECSIZE_OFFS, mhi_buf->len);  in mhi_rddm_prepare()
49 	ret = mhi_write_reg_field(mhi_cntrl, base, BHIE_RXVECDB_OFFS,  in mhi_rddm_prepare()
63 static int __mhi_download_rddm_in_panic(struct mhi_controller *mhi_cntrl)  in __mhi_download_rddm_in_panic()  argument
69 	u32 retry = (mhi_cntrl->timeout_ms * 1000) / delayus;  in __mhi_download_rddm_in_panic()
72 	void __iomem *base = mhi_cntrl->bhie;  in __mhi_download_rddm_in_panic()
73 	struct device *dev = &mhi_cntrl->mhi_dev->dev;  in __mhi_download_rddm_in_panic()
76 		to_mhi_pm_state_str(mhi_cntrl->pm_state),  in __mhi_download_rddm_in_panic()
77 		mhi_state_str(mhi_cntrl->dev_state),  in __mhi_download_rddm_in_panic()
78 		TO_MHI_EXEC_STR(mhi_cntrl->ee));  in __mhi_download_rddm_in_panic()
90 	mhi_cntrl->pm_state = MHI_PM_LD_ERR_FATAL_DETECT;  in __mhi_download_rddm_in_panic()
100 	ee = mhi_get_exec_env(mhi_cntrl);  in __mhi_download_rddm_in_panic()
106 		mhi_set_mhi_state(mhi_cntrl, MHI_STATE_SYS_ERR);  in __mhi_download_rddm_in_panic()
110 			ee = mhi_get_exec_env(mhi_cntrl);  in __mhi_download_rddm_in_panic()
121 			mhi_soc_reset(mhi_cntrl);  in __mhi_download_rddm_in_panic()
125 		ee = mhi_get_exec_env(mhi_cntrl);  in __mhi_download_rddm_in_panic()
133 		ret = mhi_read_reg_field(mhi_cntrl, base, BHIE_RXVECSTATUS_OFFS,  in __mhi_download_rddm_in_panic()
144 	ee = mhi_get_exec_env(mhi_cntrl);  in __mhi_download_rddm_in_panic()
145 	ret = mhi_read_reg(mhi_cntrl, base, BHIE_RXVECSTATUS_OFFS, &rx_status);  in __mhi_download_rddm_in_panic()
157 int mhi_download_rddm_image(struct mhi_controller *mhi_cntrl, bool in_panic)  in mhi_download_rddm_image()  argument
159 	void __iomem *base = mhi_cntrl->bhie;  in mhi_download_rddm_image()
160 	struct device *dev = &mhi_cntrl->mhi_dev->dev;  in mhi_download_rddm_image()
164 		return __mhi_download_rddm_in_panic(mhi_cntrl);  in mhi_download_rddm_image()
169 	wait_event_timeout(mhi_cntrl->state_event,  in mhi_download_rddm_image()
170 			   mhi_read_reg_field(mhi_cntrl, base,  in mhi_download_rddm_image()
174 			   msecs_to_jiffies(mhi_cntrl->timeout_ms));  in mhi_download_rddm_image()
180 static int mhi_fw_load_bhie(struct mhi_controller *mhi_cntrl,  in mhi_fw_load_bhie()  argument
183 	void __iomem *base = mhi_cntrl->bhie;  in mhi_fw_load_bhie()
184 	struct device *dev = &mhi_cntrl->mhi_dev->dev;  in mhi_fw_load_bhie()
185 	rwlock_t *pm_lock = &mhi_cntrl->pm_lock;  in mhi_fw_load_bhie()
190 	if (!MHI_REG_ACCESS_VALID(mhi_cntrl->pm_state)) {  in mhi_fw_load_bhie()
198 	mhi_write_reg(mhi_cntrl, base, BHIE_TXVECADDR_HIGH_OFFS,  in mhi_fw_load_bhie()
201 	mhi_write_reg(mhi_cntrl, base, BHIE_TXVECADDR_LOW_OFFS,  in mhi_fw_load_bhie()
204 	mhi_write_reg(mhi_cntrl, base, BHIE_TXVECSIZE_OFFS, mhi_buf->len);  in mhi_fw_load_bhie()
206 	ret = mhi_write_reg_field(mhi_cntrl, base, BHIE_TXVECDB_OFFS,  in mhi_fw_load_bhie()
214 	ret = wait_event_timeout(mhi_cntrl->state_event,  in mhi_fw_load_bhie()
215 				 MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state) ||  in mhi_fw_load_bhie()
216 				 mhi_read_reg_field(mhi_cntrl, base,  in mhi_fw_load_bhie()
220 				 msecs_to_jiffies(mhi_cntrl->timeout_ms));  in mhi_fw_load_bhie()
221 	if (MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state) ||  in mhi_fw_load_bhie()
228 static int mhi_fw_load_bhi(struct mhi_controller *mhi_cntrl,  in mhi_fw_load_bhi()  argument
234 	void __iomem *base = mhi_cntrl->bhi;  in mhi_fw_load_bhi()
235 	rwlock_t *pm_lock = &mhi_cntrl->pm_lock;  in mhi_fw_load_bhi()
236 	struct device *dev = &mhi_cntrl->mhi_dev->dev;  in mhi_fw_load_bhi()
249 	if (!MHI_REG_ACCESS_VALID(mhi_cntrl->pm_state)) {  in mhi_fw_load_bhi()
257 	mhi_write_reg(mhi_cntrl, base, BHI_STATUS, 0);  in mhi_fw_load_bhi()
258 	mhi_write_reg(mhi_cntrl, base, BHI_IMGADDR_HIGH,  in mhi_fw_load_bhi()
260 	mhi_write_reg(mhi_cntrl, base, BHI_IMGADDR_LOW,  in mhi_fw_load_bhi()
262 	mhi_write_reg(mhi_cntrl, base, BHI_IMGSIZE, size);  in mhi_fw_load_bhi()
263 	mhi_write_reg(mhi_cntrl, base, BHI_IMGTXDB, session_id);  in mhi_fw_load_bhi()
267 	ret = wait_event_timeout(mhi_cntrl->state_event,  in mhi_fw_load_bhi()
268 			   MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state) ||  in mhi_fw_load_bhi()
269 			   mhi_read_reg_field(mhi_cntrl, base, BHI_STATUS,  in mhi_fw_load_bhi()
271 			   msecs_to_jiffies(mhi_cntrl->timeout_ms));  in mhi_fw_load_bhi()
272 	if (MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state))  in mhi_fw_load_bhi()
278 		if (MHI_REG_ACCESS_VALID(mhi_cntrl->pm_state)) {  in mhi_fw_load_bhi()
280 				ret = mhi_read_reg(mhi_cntrl, base,  in mhi_fw_load_bhi()
299 void mhi_free_bhie_table(struct mhi_controller *mhi_cntrl,  in mhi_free_bhie_table()  argument
306 		dma_free_coherent(mhi_cntrl->cntrl_dev, mhi_buf->len,  in mhi_free_bhie_table()
313 int mhi_alloc_bhie_table(struct mhi_controller *mhi_cntrl,  in mhi_alloc_bhie_table()  argument
317 	size_t seg_size = mhi_cntrl->seg_len;  in mhi_alloc_bhie_table()
343 		mhi_buf->buf = dma_alloc_coherent(mhi_cntrl->cntrl_dev,  in mhi_alloc_bhie_table()
358 		dma_free_coherent(mhi_cntrl->cntrl_dev, mhi_buf->len,  in mhi_alloc_bhie_table()
367 static void mhi_firmware_copy(struct mhi_controller *mhi_cntrl,  in mhi_firmware_copy()  argument
388 void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl)  in mhi_fw_load_handler()  argument
391 	struct device *dev = &mhi_cntrl->mhi_dev->dev;  in mhi_fw_load_handler()
400 	if (MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state)) {  in mhi_fw_load_handler()
406 	ret = mhi_read_reg(mhi_cntrl, mhi_cntrl->bhi, BHI_SERIALNU,  in mhi_fw_load_handler()
407 			   &mhi_cntrl->serial_number);  in mhi_fw_load_handler()
412 	if (!MHI_FW_LOAD_CAPABLE(mhi_cntrl->ee))  in mhi_fw_load_handler()
415 	fw_name = (mhi_cntrl->ee == MHI_EE_EDL) ?  in mhi_fw_load_handler()
416 		mhi_cntrl->edl_image : mhi_cntrl->fw_image;  in mhi_fw_load_handler()
419 	if (!fw_name && mhi_cntrl->fbc_download &&  in mhi_fw_load_handler()
420 	    mhi_cntrl->fw_data && mhi_cntrl->fw_sz) {  in mhi_fw_load_handler()
421 		if (!mhi_cntrl->sbl_size) {  in mhi_fw_load_handler()
426 		size = mhi_cntrl->sbl_size;  in mhi_fw_load_handler()
427 		fw_data = mhi_cntrl->fw_data;  in mhi_fw_load_handler()
428 		fw_sz = mhi_cntrl->fw_sz;  in mhi_fw_load_handler()
432 	if (!fw_name || (mhi_cntrl->fbc_download && (!mhi_cntrl->sbl_size ||  in mhi_fw_load_handler()
433 						     !mhi_cntrl->seg_len))) {  in mhi_fw_load_handler()
445 	size = (mhi_cntrl->fbc_download) ? mhi_cntrl->sbl_size : firmware->size;  in mhi_fw_load_handler()
455 	buf = dma_alloc_coherent(mhi_cntrl->cntrl_dev, size, &dma_addr,  in mhi_fw_load_handler()
464 	ret = mhi_fw_load_bhi(mhi_cntrl, dma_addr, size);  in mhi_fw_load_handler()
465 	dma_free_coherent(mhi_cntrl->cntrl_dev, size, buf, dma_addr);  in mhi_fw_load_handler()
475 	if (fw_name && fw_name == mhi_cntrl->edl_image) {  in mhi_fw_load_handler()
480 	write_lock_irq(&mhi_cntrl->pm_lock);  in mhi_fw_load_handler()
481 	mhi_cntrl->dev_state = MHI_STATE_RESET;  in mhi_fw_load_handler()
482 	write_unlock_irq(&mhi_cntrl->pm_lock);  in mhi_fw_load_handler()
488 	if (mhi_cntrl->fbc_download) {  in mhi_fw_load_handler()
489 		ret = mhi_alloc_bhie_table(mhi_cntrl, &mhi_cntrl->fbc_image, fw_sz);  in mhi_fw_load_handler()
496 		mhi_firmware_copy(mhi_cntrl, fw_data, fw_sz, mhi_cntrl->fbc_image);  in mhi_fw_load_handler()
503 	ret = mhi_ready_state_transition(mhi_cntrl);  in mhi_fw_load_handler()
513 	if (mhi_cntrl->fbc_download) {  in mhi_fw_load_handler()
514 		mhi_free_bhie_table(mhi_cntrl, mhi_cntrl->fbc_image);  in mhi_fw_load_handler()
515 		mhi_cntrl->fbc_image = NULL;  in mhi_fw_load_handler()
519 	write_lock_irq(&mhi_cntrl->pm_lock);  in mhi_fw_load_handler()
520 	new_state = mhi_tryset_pm_state(mhi_cntrl, MHI_PM_FW_DL_ERR);  in mhi_fw_load_handler()
521 	write_unlock_irq(&mhi_cntrl->pm_lock);  in mhi_fw_load_handler()
523 		wake_up_all(&mhi_cntrl->state_event);  in mhi_fw_load_handler()
526 int mhi_download_amss_image(struct mhi_controller *mhi_cntrl)  in mhi_download_amss_image()  argument
528 	struct image_info *image_info = mhi_cntrl->fbc_image;  in mhi_download_amss_image()
529 	struct device *dev = &mhi_cntrl->mhi_dev->dev;  in mhi_download_amss_image()
536 	ret = mhi_fw_load_bhie(mhi_cntrl,  in mhi_download_amss_image()
541 		write_lock_irq(&mhi_cntrl->pm_lock);  in mhi_download_amss_image()
542 		new_state = mhi_tryset_pm_state(mhi_cntrl, MHI_PM_FW_DL_ERR);  in mhi_download_amss_image()
543 		write_unlock_irq(&mhi_cntrl->pm_lock);  in mhi_download_amss_image()
545 			wake_up_all(&mhi_cntrl->state_event);  in mhi_download_amss_image()