diff options
| -rw-r--r-- | drivers/spi/spi-geni-qcom.c | 13 | ||||
| -rw-r--r-- | include/trace/events/qcom_geni_spi.h | 103 |
2 files changed, 116 insertions, 0 deletions
diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c index d5fb0edc8e0c..a04cdc1e5ad4 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -1,6 +1,9 @@ // SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2017-2018, The Linux foundation. All rights reserved. +#define CREATE_TRACE_POINTS +#include <trace/events/qcom_geni_spi.h> + #include <linux/clk.h> #include <linux/dmaengine.h> #include <linux/dma-mapping.h> @@ -332,6 +335,9 @@ static int geni_spi_set_clock_and_bw(struct spi_geni_master *mas, writel(clk_sel, se->base + SE_GENI_CLK_SEL); writel(m_clk_cfg, se->base + GENI_SER_M_CLK_CFG); + trace_geni_spi_clk_cfg(mas->dev, clk_hz, mas->cur_sclk_hz, idx, div, + mas->cur_bits_per_word); + /* Set BW quota for CPU as driver supports FIFO mode only. */ se->icc_paths[CPU_TO_GENI].avg_bw = Bps_to_icc(mas->cur_speed_hz); ret = geni_icc_set_bw(se); @@ -366,6 +372,9 @@ static int setup_fifo_params(struct spi_device *spi_slv, if ((mode_changed & SPI_CS_HIGH) || (cs_changed && (spi_slv->mode & SPI_CS_HIGH))) writel((spi_slv->mode & SPI_CS_HIGH) ? BIT(chipselect) : 0, se->base + SE_SPI_DEMUX_OUTPUT_INV); + trace_geni_spi_setup_params(mas->dev, chipselect, spi_slv->mode, + mode_changed, cs_changed); + return 0; } @@ -861,6 +870,8 @@ static int setup_se_xfer(struct spi_transfer *xfer, spin_lock_irq(&mas->lock); geni_se_setup_m_cmd(se, m_cmd, m_params); + trace_geni_spi_transfer(mas->dev, len, m_cmd); + if (mas->cur_xfer_mode == GENI_SE_DMA) { if (m_cmd & SPI_RX_ONLY) geni_se_rx_init_dma(se, sg_dma_address(xfer->rx_sg.sgl), @@ -915,6 +926,8 @@ static irqreturn_t geni_spi_isr(int irq, void *data) if (!m_irq && !dma_tx_status && !dma_rx_status) return IRQ_NONE; + trace_geni_spi_irq(mas->dev, m_irq, dma_tx_status, dma_rx_status); + if (m_irq & (M_CMD_OVERRUN_EN | M_ILLEGAL_CMD_EN | M_CMD_FAILURE_EN | M_RX_FIFO_RD_ERR_EN | M_RX_FIFO_WR_ERR_EN | M_TX_FIFO_RD_ERR_EN | M_TX_FIFO_WR_ERR_EN)) diff --git a/include/trace/events/qcom_geni_spi.h b/include/trace/events/qcom_geni_spi.h new file mode 100644 index 000000000000..6d027adf2e1d --- /dev/null +++ b/include/trace/events/qcom_geni_spi.h @@ -0,0 +1,103 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM qcom_geni_spi + +#if !defined(_TRACE_QCOM_GENI_SPI_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_QCOM_GENI_SPI_H + +#include <linux/tracepoint.h> + +TRACE_EVENT(geni_spi_setup_params, + TP_PROTO(struct device *dev, u8 cs, u32 mode, + u32 mode_changed, bool cs_changed), + TP_ARGS(dev, cs, mode, mode_changed, cs_changed), + + TP_STRUCT__entry(__string(name, dev_name(dev)) + __field(u8, cs) + __field(u32, mode) + __field(u32, mode_changed) + __field(bool, cs_changed) + ), + + TP_fast_assign(__assign_str(name); + __entry->cs = cs; + __entry->mode = mode; + __entry->mode_changed = mode_changed; + __entry->cs_changed = cs_changed; + ), + + TP_printk("%s: cs=%u mode=0x%08x mode_changed=0x%08x cs_changed=%d", + __get_str(name), __entry->cs, __entry->mode, + __entry->mode_changed, __entry->cs_changed) +); + +TRACE_EVENT(geni_spi_clk_cfg, + TP_PROTO(struct device *dev, unsigned long req_hz, + unsigned long sclk_hz, unsigned int clk_idx, + unsigned int clk_div, unsigned int bpw), + TP_ARGS(dev, req_hz, sclk_hz, clk_idx, clk_div, bpw), + + TP_STRUCT__entry(__string(name, dev_name(dev)) + __field(unsigned long, req_hz) + __field(unsigned long, sclk_hz) + __field(unsigned int, clk_idx) + __field(unsigned int, clk_div) + __field(unsigned int, bpw) + ), + + TP_fast_assign(__assign_str(name); + __entry->req_hz = req_hz; + __entry->sclk_hz = sclk_hz; + __entry->clk_idx = clk_idx; + __entry->clk_div = clk_div; + __entry->bpw = bpw; + ), + + TP_printk("%s: req_hz=%lu sclk_hz=%lu clk_idx=%u clk_div=%u bpw=%u", + __get_str(name), __entry->req_hz, __entry->sclk_hz, + __entry->clk_idx, __entry->clk_div, __entry->bpw) +); + +TRACE_EVENT(geni_spi_transfer, + TP_PROTO(struct device *dev, unsigned int len, u32 m_cmd), + TP_ARGS(dev, len, m_cmd), + + TP_STRUCT__entry(__string(name, dev_name(dev)) + __field(unsigned int, len) + __field(u32, m_cmd) + ), + + TP_fast_assign(__assign_str(name); + __entry->len = len; + __entry->m_cmd = m_cmd; + ), + + TP_printk("%s: len=%u m_cmd=0x%08x", + __get_str(name), __entry->len, __entry->m_cmd) +); + +TRACE_EVENT(geni_spi_irq, + TP_PROTO(struct device *dev, u32 m_irq, u32 dma_tx, u32 dma_rx), + TP_ARGS(dev, m_irq, dma_tx, dma_rx), + + TP_STRUCT__entry(__string(name, dev_name(dev)) + __field(u32, m_irq) + __field(u32, dma_tx) + __field(u32, dma_rx) + ), + + TP_fast_assign(__assign_str(name); + __entry->m_irq = m_irq; + __entry->dma_tx = dma_tx; + __entry->dma_rx = dma_rx; + ), + + TP_printk("%s: m_irq=0x%08x dma_tx=0x%08x dma_rx=0x%08x", + __get_str(name), __entry->m_irq, __entry->dma_tx, + __entry->dma_rx) +); + +#endif /* _TRACE_QCOM_GENI_SPI_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |