| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| 365 | 61.86% | 1 | 5.26% | |
| 146 | 24.75% | 9 | 47.37% | |
| 40 | 6.78% | 5 | 26.32% | |
| 37 | 6.27% | 3 | 15.79% | |
| 2 | 0.34% | 1 | 5.26% | |
| Total | 590 | 19 |
| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Cyril Chemparathy | 365 | 61.86% | 1 | 5.26% |
| Ivan Khoronzhuk | 146 | 24.75% | 9 | 47.37% |
| Grygorii Strashko | 40 | 6.78% | 5 | 26.32% |
| Mugunthan V N | 37 | 6.27% | 3 | 15.79% |
| Sriramakrishnan Govindarajan | 2 | 0.34% | 1 | 5.26% |
| Total | 590 | 19 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * Texas Instruments CPDMA Driver * * Copyright (C) 2010 Texas Instruments * */ #ifndef __DAVINCI_CPDMA_H__ #define __DAVINCI_CPDMA_H__ #define CPDMA_MAX_CHANNELS BITS_PER_LONG #define CPDMA_RX_SOURCE_PORT(__status__) ((__status__ >> 16) & 0x7) #define CPDMA_RX_VLAN_ENCAP BIT(19) #define CPDMA_EOI_RX_THRESH 0x0 #define CPDMA_EOI_RX 0x1 #define CPDMA_EOI_TX 0x2 #define CPDMA_EOI_MISC 0x3 struct cpdma_params { struct device *dev; void __iomem *dmaregs; void __iomem *txhdp, *rxhdp, *txcp, *rxcp; void __iomem *rxthresh, *rxfree; int num_chan; bool has_soft_reset; int min_packet_size; dma_addr_t desc_mem_phys; dma_addr_t desc_hw_addr; int desc_mem_size; int desc_align; u32 bus_freq_mhz; u32 descs_pool_size; /* * Some instances of embedded cpdma controllers have extra control and * status registers. The following flag enables access to these * "extended" registers. */ bool has_ext_regs; }; struct cpdma_chan_stats { u32 head_enqueue; u32 tail_enqueue; u32 pad_enqueue; u32 misqueued; u32 desc_alloc_fail; u32 pad_alloc_fail; u32 runt_receive_buff; u32 runt_transmit_buff; u32 empty_dequeue; u32 busy_dequeue; u32 good_dequeue; u32 requeue; u32 teardown_dequeue; }; struct cpdma_ctlr; struct cpdma_chan; typedef void (*cpdma_handler_fn)(void *token, int len, int status); struct cpdma_ctlr *cpdma_ctlr_create(struct cpdma_params *params); int cpdma_ctlr_destroy(struct cpdma_ctlr *ctlr); int cpdma_ctlr_start(struct cpdma_ctlr *ctlr); int cpdma_ctlr_stop(struct cpdma_ctlr *ctlr); struct cpdma_chan *cpdma_chan_create(struct cpdma_ctlr *ctlr, int chan_num, cpdma_handler_fn handler, int rx_type); int cpdma_chan_get_rx_buf_num(struct cpdma_chan *chan); int cpdma_chan_destroy(struct cpdma_chan *chan); int cpdma_chan_start(struct cpdma_chan *chan); int cpdma_chan_stop(struct cpdma_chan *chan); int cpdma_chan_get_stats(struct cpdma_chan *chan, struct cpdma_chan_stats *stats); int cpdma_chan_submit_mapped(struct cpdma_chan *chan, void *token, dma_addr_t data, int len, int directed); int cpdma_chan_submit(struct cpdma_chan *chan, void *token, void *data, int len, int directed); int cpdma_chan_idle_submit_mapped(struct cpdma_chan *chan, void *token, dma_addr_t data, int len, int directed); int cpdma_chan_idle_submit(struct cpdma_chan *chan, void *token, void *data, int len, int directed); int cpdma_chan_process(struct cpdma_chan *chan, int quota); int cpdma_ctlr_int_ctrl(struct cpdma_ctlr *ctlr, bool enable); void cpdma_ctlr_eoi(struct cpdma_ctlr *ctlr, u32 value); int cpdma_chan_int_ctrl(struct cpdma_chan *chan, bool enable); u32 cpdma_ctrl_rxchs_state(struct cpdma_ctlr *ctlr); u32 cpdma_ctrl_txchs_state(struct cpdma_ctlr *ctlr); bool cpdma_check_free_tx_desc(struct cpdma_chan *chan); int cpdma_chan_set_weight(struct cpdma_chan *ch, int weight); int cpdma_chan_set_rate(struct cpdma_chan *ch, u32 rate); u32 cpdma_chan_get_rate(struct cpdma_chan *ch); u32 cpdma_chan_get_min_rate(struct cpdma_ctlr *ctlr); enum cpdma_control { CPDMA_TX_RLIM, /* read-write */ CPDMA_CMD_IDLE, /* write-only */ CPDMA_COPY_ERROR_FRAMES, /* read-write */ CPDMA_RX_OFF_LEN_UPDATE, /* read-write */ CPDMA_RX_OWNERSHIP_FLIP, /* read-write */ CPDMA_TX_PRIO_FIXED, /* read-write */ CPDMA_STAT_IDLE, /* read-only */ CPDMA_STAT_TX_ERR_CHAN, /* read-only */ CPDMA_STAT_TX_ERR_CODE, /* read-only */ CPDMA_STAT_RX_ERR_CHAN, /* read-only */ CPDMA_STAT_RX_ERR_CODE, /* read-only */ CPDMA_RX_BUFFER_OFFSET, /* read-write */ }; int cpdma_control_get(struct cpdma_ctlr *ctlr, int control); int cpdma_control_set(struct cpdma_ctlr *ctlr, int control, int value); int cpdma_get_num_rx_descs(struct cpdma_ctlr *ctlr); int cpdma_set_num_rx_descs(struct cpdma_ctlr *ctlr, int num_rx_desc); int cpdma_get_num_tx_descs(struct cpdma_ctlr *ctlr); #endif