Lines Matching +full:geni +full:- +full:i2c
1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
7 #include <linux/dma-mapping.h>
8 #include <linux/dma/qcom-gpi-dma.h>
10 #include <linux/i2c.h>
17 #include <linux/soc/qcom/geni-se.h>
29 /* M_CMD OP codes for I2C */
36 /* M_CMD params for I2C */
47 /* I2C SCL COUNTER fields */
117 [GP_IRQ0] = {-EIO, "Unknown I2C err GP_IRQ0"},
118 [NACK] = {-ENXIO, "NACK: slv unresponsive, check its power/reset-ln"},
119 [GP_IRQ2] = {-EIO, "Unknown I2C err GP IRQ2"},
120 [BUS_PROTO] = {-EPROTO, "Bus proto err, noisy/unexpected start/stop"},
121 [ARB_LOST] = {-EAGAIN, "Bus arbitration lost, clock line undriveable"},
122 [GP_IRQ5] = {-EIO, "Unknown I2C err GP IRQ5"},
123 [GENI_OVERRUN] = {-EIO, "Cmd overrun, check GENI cmd-state machine"},
124 [GENI_ILLEGAL_CMD] = {-EIO, "Illegal cmd, check GENI cmd-state machine"},
125 [GENI_ABORT_DONE] = {-ETIMEDOUT, "Abort after timeout successful"},
126 [GENI_TIMEOUT] = {-ETIMEDOUT, "I2C TXN timed out"},
168 if (clk_get_rate(gi2c->se.clk) == 32 * HZ_PER_MHZ) in geni_i2c_clk_map_idx()
173 while (itr->clk_freq_out != 0) { in geni_i2c_clk_map_idx()
174 if (itr->clk_freq_out == gi2c->clk_freq_out) { in geni_i2c_clk_map_idx()
175 gi2c->clk_fld = itr; in geni_i2c_clk_map_idx()
180 return -EINVAL; in geni_i2c_clk_map_idx()
185 const struct geni_i2c_clk_fld *itr = gi2c->clk_fld; in qcom_geni_i2c_conf()
188 writel_relaxed(0, gi2c->se.base + SE_GENI_CLK_SEL); in qcom_geni_i2c_conf()
190 val = (itr->clk_div << CLK_DIV_SHFT) | SER_CLK_EN; in qcom_geni_i2c_conf()
191 writel_relaxed(val, gi2c->se.base + GENI_SER_M_CLK_CFG); in qcom_geni_i2c_conf()
193 val = itr->t_high_cnt << HIGH_COUNTER_SHFT; in qcom_geni_i2c_conf()
194 val |= itr->t_low_cnt << LOW_COUNTER_SHFT; in qcom_geni_i2c_conf()
195 val |= itr->t_cycle_cnt; in qcom_geni_i2c_conf()
196 writel_relaxed(val, gi2c->se.base + SE_I2C_SCL_COUNTERS); in qcom_geni_i2c_conf()
201 u32 m_cmd = readl_relaxed(gi2c->se.base + SE_GENI_M_CMD0); in geni_i2c_err_misc()
202 u32 m_stat = readl_relaxed(gi2c->se.base + SE_GENI_M_IRQ_STATUS); in geni_i2c_err_misc()
203 u32 geni_s = readl_relaxed(gi2c->se.base + SE_GENI_STATUS); in geni_i2c_err_misc()
204 u32 geni_ios = readl_relaxed(gi2c->se.base + SE_GENI_IOS); in geni_i2c_err_misc()
205 u32 dma = readl_relaxed(gi2c->se.base + SE_GENI_DMA_MODE_EN); in geni_i2c_err_misc()
209 rx_st = readl_relaxed(gi2c->se.base + SE_DMA_RX_IRQ_STAT); in geni_i2c_err_misc()
210 tx_st = readl_relaxed(gi2c->se.base + SE_DMA_TX_IRQ_STAT); in geni_i2c_err_misc()
212 rx_st = readl_relaxed(gi2c->se.base + SE_GENI_RX_FIFO_STATUS); in geni_i2c_err_misc()
213 tx_st = readl_relaxed(gi2c->se.base + SE_GENI_TX_FIFO_STATUS); in geni_i2c_err_misc()
215 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()
217 dev_dbg(gi2c->se.dev, "m_cmd:0x%x, geni_status:0x%x, geni_ios:0x%x\n", in geni_i2c_err_misc()
223 if (!gi2c->err) in geni_i2c_err()
224 gi2c->err = gi2c_log[err].err; in geni_i2c_err()
225 if (gi2c->cur) in geni_i2c_err()
226 dev_dbg(gi2c->se.dev, "len:%d, slv-addr:0x%x, RD/WR:%d\n", in geni_i2c_err()
227 gi2c->cur->len, gi2c->cur->addr, gi2c->cur->flags); in geni_i2c_err()
231 gi2c->abort_done = true; in geni_i2c_err()
235 dev_dbg(gi2c->se.dev, "%s\n", gi2c_log[err].msg); in geni_i2c_err()
238 dev_err(gi2c->se.dev, "%s\n", gi2c_log[err].msg); in geni_i2c_err()
247 void __iomem *base = gi2c->se.base; in geni_i2c_irq()
257 spin_lock(&gi2c->lock); in geni_i2c_irq()
263 cur = gi2c->cur; in geni_i2c_irq()
287 dev_dbg(gi2c->se.dev, "i2c dma tx:0x%x, dma rx:0x%x\n", in geni_i2c_irq()
289 } else if (cur->flags & I2C_M_RD && in geni_i2c_irq()
296 while (gi2c->cur_rd < cur->len && p < sizeof(val)) { in geni_i2c_irq()
297 cur->buf[gi2c->cur_rd++] = val & 0xff; in geni_i2c_irq()
301 if (gi2c->cur_rd == cur->len) in geni_i2c_irq()
304 } else if (!(cur->flags & I2C_M_RD) && in geni_i2c_irq()
306 for (j = 0; j < gi2c->tx_wm; j++) { in geni_i2c_irq()
311 while (gi2c->cur_wr < cur->len && p < sizeof(val)) { in geni_i2c_irq()
312 temp = cur->buf[gi2c->cur_wr++]; in geni_i2c_irq()
318 if (gi2c->cur_wr == cur->len) { in geni_i2c_irq()
333 /* if this is err with done-bit not set, handle that through timeout. */ in geni_i2c_irq()
337 complete(&gi2c->done); in geni_i2c_irq()
339 spin_unlock(&gi2c->lock); in geni_i2c_irq()
349 spin_lock_irqsave(&gi2c->lock, flags); in geni_i2c_abort_xfer()
351 gi2c->cur = NULL; in geni_i2c_abort_xfer()
352 gi2c->abort_done = false; in geni_i2c_abort_xfer()
353 geni_se_abort_m_cmd(&gi2c->se); in geni_i2c_abort_xfer()
354 spin_unlock_irqrestore(&gi2c->lock, flags); in geni_i2c_abort_xfer()
357 time_left = wait_for_completion_timeout(&gi2c->done, time_left); in geni_i2c_abort_xfer()
358 } while (!gi2c->abort_done && time_left); in geni_i2c_abort_xfer()
361 dev_err(gi2c->se.dev, "Timeout abort_m_cmd\n"); in geni_i2c_abort_xfer()
369 writel_relaxed(1, gi2c->se.base + SE_DMA_RX_FSM_RST); in geni_i2c_rx_fsm_rst()
371 time_left = wait_for_completion_timeout(&gi2c->done, time_left); in geni_i2c_rx_fsm_rst()
372 val = readl_relaxed(gi2c->se.base + SE_DMA_RX_IRQ_STAT); in geni_i2c_rx_fsm_rst()
376 dev_err(gi2c->se.dev, "Timeout resetting RX_FSM\n"); in geni_i2c_rx_fsm_rst()
384 writel_relaxed(1, gi2c->se.base + SE_DMA_TX_FSM_RST); in geni_i2c_tx_fsm_rst()
386 time_left = wait_for_completion_timeout(&gi2c->done, time_left); in geni_i2c_tx_fsm_rst()
387 val = readl_relaxed(gi2c->se.base + SE_DMA_TX_IRQ_STAT); in geni_i2c_tx_fsm_rst()
391 dev_err(gi2c->se.dev, "Timeout resetting TX_FSM\n"); in geni_i2c_tx_fsm_rst()
397 gi2c->cur_rd = 0; in geni_i2c_rx_msg_cleanup()
398 if (gi2c->dma_buf) { in geni_i2c_rx_msg_cleanup()
399 if (gi2c->err) in geni_i2c_rx_msg_cleanup()
401 geni_se_rx_dma_unprep(&gi2c->se, gi2c->dma_addr, gi2c->xfer_len); in geni_i2c_rx_msg_cleanup()
402 i2c_put_dma_safe_msg_buf(gi2c->dma_buf, cur, !gi2c->err); in geni_i2c_rx_msg_cleanup()
409 gi2c->cur_wr = 0; in geni_i2c_tx_msg_cleanup()
410 if (gi2c->dma_buf) { in geni_i2c_tx_msg_cleanup()
411 if (gi2c->err) in geni_i2c_tx_msg_cleanup()
413 geni_se_tx_dma_unprep(&gi2c->se, gi2c->dma_addr, gi2c->xfer_len); in geni_i2c_tx_msg_cleanup()
414 i2c_put_dma_safe_msg_buf(gi2c->dma_buf, cur, !gi2c->err); in geni_i2c_tx_msg_cleanup()
424 struct geni_se *se = &gi2c->se; in geni_i2c_rx_one_msg()
425 size_t len = msg->len; in geni_i2c_rx_one_msg()
434 writel_relaxed(len, se->base + SE_I2C_RX_TRANS_LEN); in geni_i2c_rx_one_msg()
442 gi2c->xfer_len = len; in geni_i2c_rx_one_msg()
443 gi2c->dma_addr = rx_dma; in geni_i2c_rx_one_msg()
444 gi2c->dma_buf = dma_buf; in geni_i2c_rx_one_msg()
447 cur = gi2c->cur; in geni_i2c_rx_one_msg()
448 time_left = wait_for_completion_timeout(&gi2c->done, XFER_TIMEOUT); in geni_i2c_rx_one_msg()
454 return gi2c->err; in geni_i2c_rx_one_msg()
463 struct geni_se *se = &gi2c->se; in geni_i2c_tx_one_msg()
464 size_t len = msg->len; in geni_i2c_tx_one_msg()
473 writel_relaxed(len, se->base + SE_I2C_TX_TRANS_LEN); in geni_i2c_tx_one_msg()
481 gi2c->xfer_len = len; in geni_i2c_tx_one_msg()
482 gi2c->dma_addr = tx_dma; in geni_i2c_tx_one_msg()
483 gi2c->dma_buf = dma_buf; in geni_i2c_tx_one_msg()
487 writel_relaxed(1, se->base + SE_GENI_TX_WATERMARK_REG); in geni_i2c_tx_one_msg()
489 cur = gi2c->cur; in geni_i2c_tx_one_msg()
490 time_left = wait_for_completion_timeout(&gi2c->done, XFER_TIMEOUT); in geni_i2c_tx_one_msg()
496 return gi2c->err; in geni_i2c_tx_one_msg()
503 if (result->result != DMA_TRANS_NOERROR) { in i2c_gpi_cb_result()
504 dev_err(gi2c->se.dev, "DMA txn failed:%d\n", result->result); in i2c_gpi_cb_result()
505 gi2c->err = -EIO; in i2c_gpi_cb_result()
506 } else if (result->residue) { in i2c_gpi_cb_result()
507 dev_dbg(gi2c->se.dev, "DMA xfer has pending: %d\n", result->residue); in i2c_gpi_cb_result()
510 complete(&gi2c->done); in i2c_gpi_cb_result()
518 dma_unmap_single(gi2c->se.dev->parent, tx_addr, msg->len, DMA_TO_DEVICE); in geni_i2c_gpi_unmap()
519 i2c_put_dma_safe_msg_buf(tx_buf, msg, !gi2c->err); in geni_i2c_gpi_unmap()
523 dma_unmap_single(gi2c->se.dev->parent, rx_addr, msg->len, DMA_FROM_DEVICE); in geni_i2c_gpi_unmap()
524 i2c_put_dma_safe_msg_buf(rx_buf, msg, !gi2c->err); in geni_i2c_gpi_unmap()
541 peripheral = config->peripheral_config; in geni_i2c_gpi()
545 return -ENOMEM; in geni_i2c_gpi()
552 addr = dma_map_single(gi2c->se.dev->parent, dma_buf, msg->len, map_dirn); in geni_i2c_gpi()
553 if (dma_mapping_error(gi2c->se.dev->parent, addr)) { in geni_i2c_gpi()
555 return -ENOMEM; in geni_i2c_gpi()
559 peripheral->rx_len = msg->len; in geni_i2c_gpi()
560 peripheral->op = op; in geni_i2c_gpi()
564 dev_err(gi2c->se.dev, "dma config error: %d for op:%d\n", ret, op); in geni_i2c_gpi()
568 peripheral->set_config = 0; in geni_i2c_gpi()
569 peripheral->multi_msg = true; in geni_i2c_gpi()
577 desc = dmaengine_prep_slave_single(dma_chan, addr, msg->len, dma_dirn, flags); in geni_i2c_gpi()
579 dev_err(gi2c->se.dev, "prep_slave_sg failed\n"); in geni_i2c_gpi()
580 ret = -EIO; in geni_i2c_gpi()
584 desc->callback_result = i2c_gpi_cb_result; in geni_i2c_gpi()
585 desc->callback_param = gi2c; in geni_i2c_gpi()
594 dma_unmap_single(gi2c->se.dev->parent, addr, msg->len, map_dirn); in geni_i2c_gpi()
607 const struct geni_i2c_clk_fld *itr = gi2c->clk_fld; in geni_i2c_gpi_xfer()
613 peripheral.cycle_count = itr->t_cycle_cnt; in geni_i2c_gpi_xfer()
614 peripheral.high_count = itr->t_high_cnt; in geni_i2c_gpi_xfer()
615 peripheral.low_count = itr->t_low_cnt; in geni_i2c_gpi_xfer()
616 peripheral.clk_div = itr->clk_div; in geni_i2c_gpi_xfer()
621 gi2c->cur = &msgs[i]; in geni_i2c_gpi_xfer()
622 gi2c->err = 0; in geni_i2c_gpi_xfer()
623 dev_dbg(gi2c->se.dev, "msg[%d].len:%d\n", i, gi2c->cur->len); in geni_i2c_gpi_xfer()
626 if (i < num - 1) in geni_i2c_gpi_xfer()
632 &tx_addr, &tx_buf, I2C_WRITE, gi2c->tx_c); in geni_i2c_gpi_xfer()
638 &rx_addr, &rx_buf, I2C_READ, gi2c->rx_c); in geni_i2c_gpi_xfer()
642 dma_async_issue_pending(gi2c->rx_c); in geni_i2c_gpi_xfer()
645 dma_async_issue_pending(gi2c->tx_c); in geni_i2c_gpi_xfer()
647 time_left = wait_for_completion_timeout(&gi2c->done, XFER_TIMEOUT); in geni_i2c_gpi_xfer()
649 gi2c->err = -ETIMEDOUT; in geni_i2c_gpi_xfer()
651 if (gi2c->err) { in geni_i2c_gpi_xfer()
652 ret = gi2c->err; in geni_i2c_gpi_xfer()
662 dev_err(gi2c->se.dev, "GPI transfer failed: %d\n", ret); in geni_i2c_gpi_xfer()
663 dmaengine_terminate_sync(gi2c->rx_c); in geni_i2c_gpi_xfer()
664 dmaengine_terminate_sync(gi2c->tx_c); in geni_i2c_gpi_xfer()
675 u32 m_param = i < (num - 1) ? STOP_STRETCH : 0; in geni_i2c_fifo_xfer()
679 gi2c->cur = &msgs[i]; in geni_i2c_fifo_xfer()
699 gi2c->err = 0; in geni_i2c_xfer()
700 reinit_completion(&gi2c->done); in geni_i2c_xfer()
701 ret = pm_runtime_get_sync(gi2c->se.dev); in geni_i2c_xfer()
703 dev_err(gi2c->se.dev, "error turning SE resources:%d\n", ret); in geni_i2c_xfer()
704 pm_runtime_put_noidle(gi2c->se.dev); in geni_i2c_xfer()
706 pm_runtime_set_suspended(gi2c->se.dev); in geni_i2c_xfer()
712 if (gi2c->gpi_mode) in geni_i2c_xfer()
717 pm_runtime_put_autosuspend(gi2c->se.dev); in geni_i2c_xfer()
718 gi2c->cur = NULL; in geni_i2c_xfer()
719 gi2c->err = 0; in geni_i2c_xfer()
744 if (gi2c->rx_c) in release_gpi_dma()
745 dma_release_channel(gi2c->rx_c); in release_gpi_dma()
747 if (gi2c->tx_c) in release_gpi_dma()
748 dma_release_channel(gi2c->tx_c); in release_gpi_dma()
755 geni_se_select_mode(&gi2c->se, GENI_GPI_DMA); in setup_gpi_dma()
756 gi2c->tx_c = dma_request_chan(gi2c->se.dev, "tx"); in setup_gpi_dma()
757 if (IS_ERR(gi2c->tx_c)) { in setup_gpi_dma()
758 ret = dev_err_probe(gi2c->se.dev, PTR_ERR(gi2c->tx_c), in setup_gpi_dma()
763 gi2c->rx_c = dma_request_chan(gi2c->se.dev, "rx"); in setup_gpi_dma()
764 if (IS_ERR(gi2c->rx_c)) { in setup_gpi_dma()
765 ret = dev_err_probe(gi2c->se.dev, PTR_ERR(gi2c->rx_c), in setup_gpi_dma()
770 dev_dbg(gi2c->se.dev, "Grabbed GPI dma channels\n"); in setup_gpi_dma()
774 dma_release_channel(gi2c->tx_c); in setup_gpi_dma()
784 struct device *dev = &pdev->dev; in geni_i2c_probe()
789 return -ENOMEM; in geni_i2c_probe()
791 gi2c->se.dev = dev; in geni_i2c_probe()
792 gi2c->se.wrapper = dev_get_drvdata(dev->parent); in geni_i2c_probe()
793 gi2c->se.base = devm_platform_ioremap_resource(pdev, 0); in geni_i2c_probe()
794 if (IS_ERR(gi2c->se.base)) in geni_i2c_probe()
795 return PTR_ERR(gi2c->se.base); in geni_i2c_probe()
797 desc = device_get_match_data(&pdev->dev); in geni_i2c_probe()
799 if (desc && desc->has_core_clk) { in geni_i2c_probe()
800 gi2c->core_clk = devm_clk_get(dev, "core"); in geni_i2c_probe()
801 if (IS_ERR(gi2c->core_clk)) in geni_i2c_probe()
802 return PTR_ERR(gi2c->core_clk); in geni_i2c_probe()
805 gi2c->se.clk = devm_clk_get(dev, "se"); in geni_i2c_probe()
806 if (IS_ERR(gi2c->se.clk) && !has_acpi_companion(dev)) in geni_i2c_probe()
807 return PTR_ERR(gi2c->se.clk); in geni_i2c_probe()
809 ret = device_property_read_u32(dev, "clock-frequency", in geni_i2c_probe()
810 &gi2c->clk_freq_out); in geni_i2c_probe()
813 gi2c->clk_freq_out = I2C_MAX_STANDARD_MODE_FREQ; in geni_i2c_probe()
817 ACPI_COMPANION_SET(&gi2c->adap.dev, ACPI_COMPANION(dev)); in geni_i2c_probe()
819 gi2c->irq = platform_get_irq(pdev, 0); in geni_i2c_probe()
820 if (gi2c->irq < 0) in geni_i2c_probe()
821 return gi2c->irq; in geni_i2c_probe()
826 gi2c->clk_freq_out); in geni_i2c_probe()
828 gi2c->adap.algo = &geni_i2c_algo; in geni_i2c_probe()
829 init_completion(&gi2c->done); in geni_i2c_probe()
830 spin_lock_init(&gi2c->lock); in geni_i2c_probe()
833 /* Keep interrupts disabled initially to allow for low-power modes */ in geni_i2c_probe()
834 ret = devm_request_irq(dev, gi2c->irq, geni_i2c_irq, IRQF_NO_AUTOEN, in geni_i2c_probe()
838 "Request_irq failed: %d\n", gi2c->irq); in geni_i2c_probe()
840 i2c_set_adapdata(&gi2c->adap, gi2c); in geni_i2c_probe()
841 gi2c->adap.dev.parent = dev; in geni_i2c_probe()
842 gi2c->adap.dev.of_node = dev->of_node; in geni_i2c_probe()
843 strscpy(gi2c->adap.name, "Geni-I2C", sizeof(gi2c->adap.name)); in geni_i2c_probe()
845 ret = geni_icc_get(&gi2c->se, desc ? desc->icc_ddr : "qup-memory"); in geni_i2c_probe()
853 gi2c->se.icc_paths[GENI_TO_CORE].avg_bw = GENI_DEFAULT_BW; in geni_i2c_probe()
854 gi2c->se.icc_paths[CPU_TO_GENI].avg_bw = GENI_DEFAULT_BW; in geni_i2c_probe()
855 if (!desc || desc->icc_ddr) in geni_i2c_probe()
856 gi2c->se.icc_paths[GENI_TO_DDR].avg_bw = Bps_to_icc(gi2c->clk_freq_out); in geni_i2c_probe()
858 ret = geni_icc_set_bw(&gi2c->se); in geni_i2c_probe()
862 ret = clk_prepare_enable(gi2c->core_clk); in geni_i2c_probe()
866 ret = geni_se_resources_on(&gi2c->se); in geni_i2c_probe()
871 proto = geni_se_read_proto(&gi2c->se); in geni_i2c_probe()
873 ret = geni_load_se_firmware(&gi2c->se, GENI_SE_I2C); in geni_i2c_probe()
875 dev_err_probe(dev, ret, "i2c firmware load failed ret: %d\n", ret); in geni_i2c_probe()
879 ret = dev_err_probe(dev, -ENXIO, "Invalid proto %d\n", proto); in geni_i2c_probe()
883 if (desc && desc->no_dma_support) in geni_i2c_probe()
886 fifo_disable = readl_relaxed(gi2c->se.base + GENI_IF_DISABLE_RO) & FIFO_IF_DISABLE; in geni_i2c_probe()
890 gi2c->gpi_mode = true; in geni_i2c_probe()
895 dev_dbg(dev, "Using GPI DMA mode for I2C\n"); in geni_i2c_probe()
897 gi2c->gpi_mode = false; in geni_i2c_probe()
898 tx_depth = geni_se_get_tx_fifo_depth(&gi2c->se); in geni_i2c_probe()
900 /* I2C Master Hub Serial Elements doesn't have the HW_PARAM_0 register */ in geni_i2c_probe()
902 tx_depth = desc->tx_fifo_depth; in geni_i2c_probe()
905 ret = dev_err_probe(dev, -EINVAL, in geni_i2c_probe()
910 gi2c->tx_wm = tx_depth - 1; in geni_i2c_probe()
911 geni_se_init(&gi2c->se, gi2c->tx_wm, tx_depth); in geni_i2c_probe()
912 geni_se_config_packing(&gi2c->se, BITS_PER_BYTE, in geni_i2c_probe()
915 dev_dbg(dev, "i2c fifo/se-dma mode. fifo depth:%d\n", tx_depth); in geni_i2c_probe()
918 clk_disable_unprepare(gi2c->core_clk); in geni_i2c_probe()
919 ret = geni_se_resources_off(&gi2c->se); in geni_i2c_probe()
925 ret = geni_icc_disable(&gi2c->se); in geni_i2c_probe()
929 gi2c->suspended = 1; in geni_i2c_probe()
930 pm_runtime_set_suspended(gi2c->se.dev); in geni_i2c_probe()
931 pm_runtime_set_autosuspend_delay(gi2c->se.dev, I2C_AUTO_SUSPEND_DELAY); in geni_i2c_probe()
932 pm_runtime_use_autosuspend(gi2c->se.dev); in geni_i2c_probe()
933 pm_runtime_enable(gi2c->se.dev); in geni_i2c_probe()
935 ret = i2c_add_adapter(&gi2c->adap); in geni_i2c_probe()
937 dev_err_probe(dev, ret, "Error adding i2c adapter\n"); in geni_i2c_probe()
938 pm_runtime_disable(gi2c->se.dev); in geni_i2c_probe()
942 dev_dbg(dev, "Geni-I2C adaptor successfully added\n"); in geni_i2c_probe()
947 geni_se_resources_off(&gi2c->se); in geni_i2c_probe()
949 clk_disable_unprepare(gi2c->core_clk); in geni_i2c_probe()
963 i2c_del_adapter(&gi2c->adap); in geni_i2c_remove()
965 pm_runtime_disable(gi2c->se.dev); in geni_i2c_remove()
972 /* Make client i2c transfers start failing */ in geni_i2c_shutdown()
973 i2c_mark_adapter_suspended(&gi2c->adap); in geni_i2c_shutdown()
981 disable_irq(gi2c->irq); in geni_i2c_runtime_suspend()
982 ret = geni_se_resources_off(&gi2c->se); in geni_i2c_runtime_suspend()
984 enable_irq(gi2c->irq); in geni_i2c_runtime_suspend()
988 gi2c->suspended = 1; in geni_i2c_runtime_suspend()
991 clk_disable_unprepare(gi2c->core_clk); in geni_i2c_runtime_suspend()
993 return geni_icc_disable(&gi2c->se); in geni_i2c_runtime_suspend()
1001 ret = geni_icc_enable(&gi2c->se); in geni_i2c_runtime_resume()
1005 ret = clk_prepare_enable(gi2c->core_clk); in geni_i2c_runtime_resume()
1009 ret = geni_se_resources_on(&gi2c->se); in geni_i2c_runtime_resume()
1013 enable_irq(gi2c->irq); in geni_i2c_runtime_resume()
1014 gi2c->suspended = 0; in geni_i2c_runtime_resume()
1019 clk_disable_unprepare(gi2c->core_clk); in geni_i2c_runtime_resume()
1021 geni_icc_disable(&gi2c->se); in geni_i2c_runtime_resume()
1030 i2c_mark_adapter_suspended(&gi2c->adap); in geni_i2c_suspend_noirq()
1032 if (!gi2c->suspended) { in geni_i2c_suspend_noirq()
1045 i2c_mark_adapter_resumed(&gi2c->adap); in geni_i2c_resume_noirq()
1063 { .compatible = "qcom,geni-i2c" },
1064 { .compatible = "qcom,geni-i2c-master-hub", .data = &i2c_master_hub },
1083 MODULE_DESCRIPTION("I2C Controller Driver for GENI based QUP cores");