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_write_reg(mhi_cntrl, mhi_cntrl->regs,  in __mhi_download_rddm_in_panic()
127 		ee = mhi_get_exec_env(mhi_cntrl);  in __mhi_download_rddm_in_panic()
135 		ret = mhi_read_reg_field(mhi_cntrl, base, BHIE_RXVECSTATUS_OFFS,  in __mhi_download_rddm_in_panic()
146 	ee = mhi_get_exec_env(mhi_cntrl);  in __mhi_download_rddm_in_panic()
147 	ret = mhi_read_reg(mhi_cntrl, base, BHIE_RXVECSTATUS_OFFS, &rx_status);  in __mhi_download_rddm_in_panic()
159 int mhi_download_rddm_image(struct mhi_controller *mhi_cntrl, bool in_panic)  in mhi_download_rddm_image()  argument
161 	void __iomem *base = mhi_cntrl->bhie;  in mhi_download_rddm_image()
162 	struct device *dev = &mhi_cntrl->mhi_dev->dev;  in mhi_download_rddm_image()
166 		return __mhi_download_rddm_in_panic(mhi_cntrl);  in mhi_download_rddm_image()
171 	wait_event_timeout(mhi_cntrl->state_event,  in mhi_download_rddm_image()
172 			   mhi_read_reg_field(mhi_cntrl, base,  in mhi_download_rddm_image()
176 			   msecs_to_jiffies(mhi_cntrl->timeout_ms));  in mhi_download_rddm_image()
182 static int mhi_fw_load_bhie(struct mhi_controller *mhi_cntrl,  in mhi_fw_load_bhie()  argument
185 	void __iomem *base = mhi_cntrl->bhie;  in mhi_fw_load_bhie()
186 	struct device *dev = &mhi_cntrl->mhi_dev->dev;  in mhi_fw_load_bhie()
187 	rwlock_t *pm_lock = &mhi_cntrl->pm_lock;  in mhi_fw_load_bhie()
192 	if (!MHI_REG_ACCESS_VALID(mhi_cntrl->pm_state)) {  in mhi_fw_load_bhie()
200 	mhi_write_reg(mhi_cntrl, base, BHIE_TXVECADDR_HIGH_OFFS,  in mhi_fw_load_bhie()
203 	mhi_write_reg(mhi_cntrl, base, BHIE_TXVECADDR_LOW_OFFS,  in mhi_fw_load_bhie()
206 	mhi_write_reg(mhi_cntrl, base, BHIE_TXVECSIZE_OFFS, mhi_buf->len);  in mhi_fw_load_bhie()
208 	ret = mhi_write_reg_field(mhi_cntrl, base, BHIE_TXVECDB_OFFS,  in mhi_fw_load_bhie()
216 	ret = wait_event_timeout(mhi_cntrl->state_event,  in mhi_fw_load_bhie()
217 				 MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state) ||  in mhi_fw_load_bhie()
218 				 mhi_read_reg_field(mhi_cntrl, base,  in mhi_fw_load_bhie()
222 				 msecs_to_jiffies(mhi_cntrl->timeout_ms));  in mhi_fw_load_bhie()
223 	if (MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state) ||  in mhi_fw_load_bhie()
230 static int mhi_fw_load_bhi(struct mhi_controller *mhi_cntrl,  in mhi_fw_load_bhi()  argument
236 	void __iomem *base = mhi_cntrl->bhi;  in mhi_fw_load_bhi()
237 	rwlock_t *pm_lock = &mhi_cntrl->pm_lock;  in mhi_fw_load_bhi()
238 	struct device *dev = &mhi_cntrl->mhi_dev->dev;  in mhi_fw_load_bhi()
251 	if (!MHI_REG_ACCESS_VALID(mhi_cntrl->pm_state)) {  in mhi_fw_load_bhi()
259 	mhi_write_reg(mhi_cntrl, base, BHI_STATUS, 0);  in mhi_fw_load_bhi()
260 	mhi_write_reg(mhi_cntrl, base, BHI_IMGADDR_HIGH,  in mhi_fw_load_bhi()
262 	mhi_write_reg(mhi_cntrl, base, BHI_IMGADDR_LOW,  in mhi_fw_load_bhi()
264 	mhi_write_reg(mhi_cntrl, base, BHI_IMGSIZE, size);  in mhi_fw_load_bhi()
265 	mhi_write_reg(mhi_cntrl, base, BHI_IMGTXDB, session_id);  in mhi_fw_load_bhi()
269 	ret = wait_event_timeout(mhi_cntrl->state_event,  in mhi_fw_load_bhi()
270 			   MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state) ||  in mhi_fw_load_bhi()
271 			   mhi_read_reg_field(mhi_cntrl, base, BHI_STATUS,  in mhi_fw_load_bhi()
273 			   msecs_to_jiffies(mhi_cntrl->timeout_ms));  in mhi_fw_load_bhi()
274 	if (MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state))  in mhi_fw_load_bhi()
280 		if (MHI_REG_ACCESS_VALID(mhi_cntrl->pm_state)) {  in mhi_fw_load_bhi()
282 				ret = mhi_read_reg(mhi_cntrl, base,  in mhi_fw_load_bhi()
301 void mhi_free_bhie_table(struct mhi_controller *mhi_cntrl,  in mhi_free_bhie_table()  argument
308 		dma_free_coherent(mhi_cntrl->cntrl_dev, mhi_buf->len,  in mhi_free_bhie_table()
315 int mhi_alloc_bhie_table(struct mhi_controller *mhi_cntrl,  in mhi_alloc_bhie_table()  argument
319 	size_t seg_size = mhi_cntrl->seg_len;  in mhi_alloc_bhie_table()
345 		mhi_buf->buf = dma_alloc_coherent(mhi_cntrl->cntrl_dev,  in mhi_alloc_bhie_table()
360 		dma_free_coherent(mhi_cntrl->cntrl_dev, mhi_buf->len,  in mhi_alloc_bhie_table()
369 static void mhi_firmware_copy(struct mhi_controller *mhi_cntrl,  in mhi_firmware_copy()  argument
392 void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl)  in mhi_fw_load_handler()  argument
395 	struct device *dev = &mhi_cntrl->mhi_dev->dev;  in mhi_fw_load_handler()
402 	if (MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state)) {  in mhi_fw_load_handler()
408 	ret = mhi_read_reg(mhi_cntrl, mhi_cntrl->bhi, BHI_SERIALNU,  in mhi_fw_load_handler()
409 			   &mhi_cntrl->serial_number);  in mhi_fw_load_handler()
413 	for (i = 0; i < ARRAY_SIZE(mhi_cntrl->oem_pk_hash); i++) {  in mhi_fw_load_handler()
414 		ret = mhi_read_reg(mhi_cntrl, mhi_cntrl->bhi, BHI_OEMPKHASH(i),  in mhi_fw_load_handler()
415 				   &mhi_cntrl->oem_pk_hash[i]);  in mhi_fw_load_handler()
423 	if (!MHI_FW_LOAD_CAPABLE(mhi_cntrl->ee))  in mhi_fw_load_handler()
426 	fw_name = (mhi_cntrl->ee == MHI_EE_EDL) ?  in mhi_fw_load_handler()
427 		mhi_cntrl->edl_image : mhi_cntrl->fw_image;  in mhi_fw_load_handler()
429 	if (!fw_name || (mhi_cntrl->fbc_download && (!mhi_cntrl->sbl_size ||  in mhi_fw_load_handler()
430 						     !mhi_cntrl->seg_len))) {  in mhi_fw_load_handler()
442 	size = (mhi_cntrl->fbc_download) ? mhi_cntrl->sbl_size : firmware->size;  in mhi_fw_load_handler()
448 	buf = dma_alloc_coherent(mhi_cntrl->cntrl_dev, size, &dma_addr,  in mhi_fw_load_handler()
457 	ret = mhi_fw_load_bhi(mhi_cntrl, dma_addr, size);  in mhi_fw_load_handler()
458 	dma_free_coherent(mhi_cntrl->cntrl_dev, size, buf, dma_addr);  in mhi_fw_load_handler()
468 	if (fw_name == mhi_cntrl->edl_image) {  in mhi_fw_load_handler()
473 	write_lock_irq(&mhi_cntrl->pm_lock);  in mhi_fw_load_handler()
474 	mhi_cntrl->dev_state = MHI_STATE_RESET;  in mhi_fw_load_handler()
475 	write_unlock_irq(&mhi_cntrl->pm_lock);  in mhi_fw_load_handler()
481 	if (mhi_cntrl->fbc_download) {  in mhi_fw_load_handler()
482 		ret = mhi_alloc_bhie_table(mhi_cntrl, &mhi_cntrl->fbc_image,  in mhi_fw_load_handler()
490 		mhi_firmware_copy(mhi_cntrl, firmware, mhi_cntrl->fbc_image);  in mhi_fw_load_handler()
497 	ret = mhi_ready_state_transition(mhi_cntrl);  in mhi_fw_load_handler()
507 	if (mhi_cntrl->fbc_download) {  in mhi_fw_load_handler()
508 		mhi_free_bhie_table(mhi_cntrl, mhi_cntrl->fbc_image);  in mhi_fw_load_handler()
509 		mhi_cntrl->fbc_image = NULL;  in mhi_fw_load_handler()
513 	mhi_cntrl->pm_state = MHI_PM_FW_DL_ERR;  in mhi_fw_load_handler()
514 	wake_up_all(&mhi_cntrl->state_event);  in mhi_fw_load_handler()
517 int mhi_download_amss_image(struct mhi_controller *mhi_cntrl)  in mhi_download_amss_image()  argument
519 	struct image_info *image_info = mhi_cntrl->fbc_image;  in mhi_download_amss_image()
520 	struct device *dev = &mhi_cntrl->mhi_dev->dev;  in mhi_download_amss_image()
526 	ret = mhi_fw_load_bhie(mhi_cntrl,  in mhi_download_amss_image()
531 		mhi_cntrl->pm_state = MHI_PM_FW_DL_ERR;  in mhi_download_amss_image()
532 		wake_up_all(&mhi_cntrl->state_event);  in mhi_download_amss_image()