15 #include <linux/qcom-geni-se.h>
76 	struct geni_se se;  member
154 	writel_relaxed(0, gi2c->se.base + SE_GENI_CLK_SEL);  in qcom_geni_i2c_conf()
157 	writel_relaxed(val, gi2c->se.base + GENI_SER_M_CLK_CFG);  in qcom_geni_i2c_conf()
162 	writel_relaxed(val, gi2c->se.base + SE_I2C_SCL_COUNTERS);  in qcom_geni_i2c_conf()
167 	u32 m_cmd = readl_relaxed(gi2c->se.base + SE_GENI_M_CMD0);  in geni_i2c_err_misc()
168 	u32 m_stat = readl_relaxed(gi2c->se.base + SE_GENI_M_IRQ_STATUS);  in geni_i2c_err_misc()
169 	u32 geni_s = readl_relaxed(gi2c->se.base + SE_GENI_STATUS);  in geni_i2c_err_misc()
170 	u32 geni_ios = readl_relaxed(gi2c->se.base + SE_GENI_IOS);  in geni_i2c_err_misc()
171 	u32 dma = readl_relaxed(gi2c->se.base + SE_GENI_DMA_MODE_EN);  in geni_i2c_err_misc()
175 		rx_st = readl_relaxed(gi2c->se.base + SE_DMA_RX_IRQ_STAT);  in geni_i2c_err_misc()
176 		tx_st = readl_relaxed(gi2c->se.base + SE_DMA_TX_IRQ_STAT);  in geni_i2c_err_misc()
178 		rx_st = readl_relaxed(gi2c->se.base + SE_GENI_RX_FIFO_STATUS);  in geni_i2c_err_misc()
179 		tx_st = readl_relaxed(gi2c->se.base + SE_GENI_TX_FIFO_STATUS);  in geni_i2c_err_misc()
181 	dev_dbg(gi2c->se.dev, "DMA:%d tx_stat:0x%x, rx_stat:0x%x, irq-stat:0x%x\n",  in geni_i2c_err_misc()
183 	dev_dbg(gi2c->se.dev, "m_cmd:0x%x, geni_status:0x%x, geni_ios:0x%x\n",  in geni_i2c_err_misc()
192 		dev_dbg(gi2c->se.dev, "len:%d, slv-addr:0x%x, RD/WR:%d\n",  in geni_i2c_err()
196 		dev_err(gi2c->se.dev, "%s\n", gi2c_log[err].msg);  in geni_i2c_err()
204 	void __iomem *base = gi2c->se.base;  in geni_i2c_irq()
244 		dev_dbg(gi2c->se.dev, "i2c dma tx:0x%x, dma rx:0x%x\n",  in geni_i2c_irq()
310 	geni_se_abort_m_cmd(&gi2c->se);  in geni_i2c_abort_xfer()
314 		val = readl_relaxed(gi2c->se.base + SE_GENI_M_IRQ_STATUS);  in geni_i2c_abort_xfer()
318 		dev_err(gi2c->se.dev, "Timeout abort_m_cmd\n");  in geni_i2c_abort_xfer()
326 	writel_relaxed(1, gi2c->se.base + SE_DMA_RX_FSM_RST);  in geni_i2c_rx_fsm_rst()
329 		val = readl_relaxed(gi2c->se.base + SE_DMA_RX_IRQ_STAT);  in geni_i2c_rx_fsm_rst()
333 		dev_err(gi2c->se.dev, "Timeout resetting RX_FSM\n");  in geni_i2c_rx_fsm_rst()
341 	writel_relaxed(1, gi2c->se.base + SE_DMA_TX_FSM_RST);  in geni_i2c_tx_fsm_rst()
344 		val = readl_relaxed(gi2c->se.base + SE_DMA_TX_IRQ_STAT);  in geni_i2c_tx_fsm_rst()
348 		dev_err(gi2c->se.dev, "Timeout resetting TX_FSM\n");  in geni_i2c_tx_fsm_rst()
357 	struct geni_se *se = &gi2c->se;  in geni_i2c_rx_one_msg()  local
364 		geni_se_select_mode(se, GENI_SE_DMA);  in geni_i2c_rx_one_msg()
366 		geni_se_select_mode(se, GENI_SE_FIFO);  in geni_i2c_rx_one_msg()
368 	writel_relaxed(len, se->base + SE_I2C_RX_TRANS_LEN);  in geni_i2c_rx_one_msg()
370 	if (dma_buf && geni_se_rx_dma_prep(se, dma_buf, len, &rx_dma)) {  in geni_i2c_rx_one_msg()
371 		geni_se_select_mode(se, GENI_SE_FIFO);  in geni_i2c_rx_one_msg()
376 	geni_se_setup_m_cmd(se, I2C_READ, m_param);  in geni_i2c_rx_one_msg()
386 		geni_se_rx_dma_unprep(se, rx_dma, len);  in geni_i2c_rx_one_msg()
399 	struct geni_se *se = &gi2c->se;  in geni_i2c_tx_one_msg()  local
406 		geni_se_select_mode(se, GENI_SE_DMA);  in geni_i2c_tx_one_msg()
408 		geni_se_select_mode(se, GENI_SE_FIFO);  in geni_i2c_tx_one_msg()
410 	writel_relaxed(len, se->base + SE_I2C_TX_TRANS_LEN);  in geni_i2c_tx_one_msg()
412 	if (dma_buf && geni_se_tx_dma_prep(se, dma_buf, len, &tx_dma)) {  in geni_i2c_tx_one_msg()
413 		geni_se_select_mode(se, GENI_SE_FIFO);  in geni_i2c_tx_one_msg()
418 	geni_se_setup_m_cmd(se, I2C_WRITE, m_param);  in geni_i2c_tx_one_msg()
421 		writel_relaxed(1, se->base + SE_GENI_TX_WATERMARK_REG);  in geni_i2c_tx_one_msg()
431 		geni_se_tx_dma_unprep(se, tx_dma, len);  in geni_i2c_tx_one_msg()
447 	ret = pm_runtime_get_sync(gi2c->se.dev);  in geni_i2c_xfer()
449 		dev_err(gi2c->se.dev, "error turning SE resources:%d\n", ret);  in geni_i2c_xfer()
450 		pm_runtime_put_noidle(gi2c->se.dev);  in geni_i2c_xfer()
452 		pm_runtime_set_suspended(gi2c->se.dev);  in geni_i2c_xfer()
474 	pm_runtime_mark_last_busy(gi2c->se.dev);  in geni_i2c_xfer()
475 	pm_runtime_put_autosuspend(gi2c->se.dev);  in geni_i2c_xfer()
511 	gi2c->se.dev = dev;  in geni_i2c_probe()
512 	gi2c->se.wrapper = dev_get_drvdata(dev->parent);  in geni_i2c_probe()
514 	gi2c->se.base = devm_ioremap_resource(dev, res);  in geni_i2c_probe()
515 	if (IS_ERR(gi2c->se.base))  in geni_i2c_probe()
516 		return PTR_ERR(gi2c->se.base);  in geni_i2c_probe()
518 	gi2c->se.clk = devm_clk_get(dev, "se");  in geni_i2c_probe()
519 	if (IS_ERR(gi2c->se.clk) && !has_acpi_companion(dev))  in geni_i2c_probe()
520 		return PTR_ERR(gi2c->se.clk);  in geni_i2c_probe()
561 	ret = geni_icc_get(&gi2c->se, "qup-memory");  in geni_i2c_probe()
569 	gi2c->se.icc_paths[GENI_TO_CORE].avg_bw = GENI_DEFAULT_BW;  in geni_i2c_probe()
570 	gi2c->se.icc_paths[CPU_TO_GENI].avg_bw = GENI_DEFAULT_BW;  in geni_i2c_probe()
571 	gi2c->se.icc_paths[GENI_TO_DDR].avg_bw = Bps_to_icc(gi2c->clk_freq_out);  in geni_i2c_probe()
573 	ret = geni_icc_set_bw(&gi2c->se);  in geni_i2c_probe()
577 	ret = geni_se_resources_on(&gi2c->se);  in geni_i2c_probe()
582 	proto = geni_se_read_proto(&gi2c->se);  in geni_i2c_probe()
583 	tx_depth = geni_se_get_tx_fifo_depth(&gi2c->se);  in geni_i2c_probe()
586 		geni_se_resources_off(&gi2c->se);  in geni_i2c_probe()
590 	geni_se_init(&gi2c->se, gi2c->tx_wm, tx_depth);  in geni_i2c_probe()
591 	geni_se_config_packing(&gi2c->se, BITS_PER_BYTE, PACKING_BYTES_PW,  in geni_i2c_probe()
593 	ret = geni_se_resources_off(&gi2c->se);  in geni_i2c_probe()
599 	ret = geni_icc_disable(&gi2c->se);  in geni_i2c_probe()
603 	dev_dbg(dev, "i2c fifo/se-dma mode. fifo depth:%d\n", tx_depth);  in geni_i2c_probe()
606 	pm_runtime_set_suspended(gi2c->se.dev);  in geni_i2c_probe()
607 	pm_runtime_set_autosuspend_delay(gi2c->se.dev, I2C_AUTO_SUSPEND_DELAY);  in geni_i2c_probe()
608 	pm_runtime_use_autosuspend(gi2c->se.dev);  in geni_i2c_probe()
609 	pm_runtime_enable(gi2c->se.dev);  in geni_i2c_probe()
614 		pm_runtime_disable(gi2c->se.dev);  in geni_i2c_probe()
628 	pm_runtime_disable(gi2c->se.dev);  in geni_i2c_remove()
638 	ret = geni_se_resources_off(&gi2c->se);  in geni_i2c_runtime_suspend()
647 	return geni_icc_disable(&gi2c->se);  in geni_i2c_runtime_suspend()
655 	ret = geni_icc_enable(&gi2c->se);  in geni_i2c_runtime_resume()
659 	ret = geni_se_resources_on(&gi2c->se);  in geni_i2c_runtime_resume()