diff options
Diffstat (limited to 'include/soc/fsl/qe/qmc.h')
| -rw-r--r-- | include/soc/fsl/qe/qmc.h | 54 |
1 files changed, 50 insertions, 4 deletions
diff --git a/include/soc/fsl/qe/qmc.h b/include/soc/fsl/qe/qmc.h index 3c61a50d2ae2..294e42ea8d4c 100644 --- a/include/soc/fsl/qe/qmc.h +++ b/include/soc/fsl/qe/qmc.h @@ -9,16 +9,40 @@ #ifndef __SOC_FSL_QMC_H__ #define __SOC_FSL_QMC_H__ +#include <linux/bits.h> #include <linux/types.h> struct device_node; struct device; struct qmc_chan; -struct qmc_chan *qmc_chan_get_byphandle(struct device_node *np, const char *phandle_name); +int qmc_chan_count_phandles(struct device_node *np, const char *phandles_name); + +struct qmc_chan *qmc_chan_get_byphandles_index(struct device_node *np, + const char *phandles_name, + int index); +struct qmc_chan *devm_qmc_chan_get_byphandles_index(struct device *dev, + struct device_node *np, + const char *phandles_name, + int index); + +static inline struct qmc_chan *qmc_chan_get_byphandle(struct device_node *np, + const char *phandle_name) +{ + return qmc_chan_get_byphandles_index(np, phandle_name, 0); +} + +static inline struct qmc_chan *devm_qmc_chan_get_byphandle(struct device *dev, + struct device_node *np, + const char *phandle_name) +{ + return devm_qmc_chan_get_byphandles_index(dev, np, phandle_name, 0); +} + +struct qmc_chan *qmc_chan_get_bychild(struct device_node *np); void qmc_chan_put(struct qmc_chan *chan); -struct qmc_chan *devm_qmc_chan_get_byphandle(struct device *dev, struct device_node *np, - const char *phandle_name); + +struct qmc_chan *devm_qmc_chan_get_bychild(struct device *dev, struct device_node *np); enum qmc_mode { QMC_TRANSPARENT, @@ -37,6 +61,16 @@ struct qmc_chan_info { int qmc_chan_get_info(struct qmc_chan *chan, struct qmc_chan_info *info); +struct qmc_chan_ts_info { + u64 rx_ts_mask_avail; + u64 tx_ts_mask_avail; + u64 rx_ts_mask; + u64 tx_ts_mask; +}; + +int qmc_chan_get_ts_info(struct qmc_chan *chan, struct qmc_chan_ts_info *ts_info); +int qmc_chan_set_ts_info(struct qmc_chan *chan, const struct qmc_chan_ts_info *ts_info); + struct qmc_chan_param { enum qmc_mode mode; union { @@ -56,8 +90,20 @@ int qmc_chan_set_param(struct qmc_chan *chan, const struct qmc_chan_param *param int qmc_chan_write_submit(struct qmc_chan *chan, dma_addr_t addr, size_t length, void (*complete)(void *context), void *context); +/* Flags available (ORed) for read complete() flags parameter in HDLC mode. + * No flags are available in transparent mode and the read complete() flags + * parameter has no meaning in transparent mode. + */ +#define QMC_RX_FLAG_HDLC_LAST BIT(11) /* Last in frame */ +#define QMC_RX_FLAG_HDLC_FIRST BIT(10) /* First in frame */ +#define QMC_RX_FLAG_HDLC_OVF BIT(5) /* Data overflow */ +#define QMC_RX_FLAG_HDLC_UNA BIT(4) /* Unaligned (ie. bits received not multiple of 8) */ +#define QMC_RX_FLAG_HDLC_ABORT BIT(3) /* Received an abort sequence (seven consecutive ones) */ +#define QMC_RX_FLAG_HDLC_CRC BIT(2) /* CRC error */ + int qmc_chan_read_submit(struct qmc_chan *chan, dma_addr_t addr, size_t length, - void (*complete)(void *context, size_t length), + void (*complete)(void *context, size_t length, + unsigned int flags), void *context); #define QMC_CHAN_READ (1<<0) |