dma/dw-edma/dw-hdma-v0-debugfs.c

12 #include "dw-hdma-v0-debugfs.h"
13 #include "dw-hdma-v0-regs.h"
14 #include "dw-edma-core.h"
16 #define REGS_ADDR(dw, name)						       \
18 		struct dw_hdma_v0_regs __iomem *__regs = (dw)->chip->reg_base; \
23 #define REGS_CH_ADDR(dw, name, _dir, _ch)				       \
28 			__ch_regs = REGS_ADDR(dw, ch[_ch].rd);		       \
30 			__ch_regs = REGS_ADDR(dw, ch[_ch].wr);		       \
35 #define CTX_REGISTER(dw, name, dir, ch) \
36 	{#name, REGS_CH_ADDR(dw, name, dir, ch)}
59 static void dw_hdma_debugfs_create_x32(struct dw_edma *dw,
66 	entries = devm_kcalloc(dw->chip->dev, nr_entries, sizeof(*entries),
79 static void dw_hdma_debugfs_regs_ch(struct dw_edma *dw, enum dw_edma_dir dir,
83 		CTX_REGISTER(dw, ch_en, dir, ch),
84 		CTX_REGISTER(dw, doorbell, dir, ch),
85 		CTX_REGISTER(dw, prefetch, dir, ch),
86 		CTX_REGISTER(dw, handshake, dir, ch),
87 		CTX_REGISTER(dw, llp.lsb, dir, ch),
88 		CTX_REGISTER(dw, llp.msb, dir, ch),
89 		CTX_REGISTER(dw, cycle_sync, dir, ch),
90 		CTX_REGISTER(dw, transfer_size, dir, ch),
91 		CTX_REGISTER(dw, sar.lsb, dir, ch),
92 		CTX_REGISTER(dw, sar.msb, dir, ch),
93 		CTX_REGISTER(dw, dar.lsb, dir, ch),
94 		CTX_REGISTER(dw, dar.msb, dir, ch),
95 		CTX_REGISTER(dw, watermark_en, dir, ch),
96 		CTX_REGISTER(dw, control1, dir, ch),
97 		CTX_REGISTER(dw, func_num, dir, ch),
98 		CTX_REGISTER(dw, qos, dir, ch),
99 		CTX_REGISTER(dw, ch_stat, dir, ch),
100 		CTX_REGISTER(dw, int_stat, dir, ch),
101 		CTX_REGISTER(dw, int_setup, dir, ch),
102 		CTX_REGISTER(dw, int_clear, dir, ch),
103 		CTX_REGISTER(dw, msi_stop.lsb, dir, ch),
104 		CTX_REGISTER(dw, msi_stop.msb, dir, ch),
105 		CTX_REGISTER(dw, msi_watermark.lsb, dir, ch),
106 		CTX_REGISTER(dw, msi_watermark.msb, dir, ch),
107 		CTX_REGISTER(dw, msi_abort.lsb, dir, ch),
108 		CTX_REGISTER(dw, msi_abort.msb, dir, ch),
109 		CTX_REGISTER(dw, msi_msgdata, dir, ch),
113 	dw_hdma_debugfs_create_x32(dw, debugfs_regs, nr_entries, dent);
116 static void dw_hdma_debugfs_regs_wr(struct dw_edma *dw, struct dentry *dent)
124 	for (i = 0; i < dw->wr_ch_cnt; i++) {
129 		dw_hdma_debugfs_regs_ch(dw, EDMA_DIR_WRITE, i, ch_dent);
133 static void dw_hdma_debugfs_regs_rd(struct dw_edma *dw, struct dentry *dent)
141 	for (i = 0; i < dw->rd_ch_cnt; i++) {
146 		dw_hdma_debugfs_regs_ch(dw, EDMA_DIR_READ, i, ch_dent);
150 static void dw_hdma_debugfs_regs(struct dw_edma *dw)
154 	regs_dent = debugfs_create_dir(REGISTERS_STR, dw->dma.dbg_dev_root);
156 	dw_hdma_debugfs_regs_wr(dw, regs_dent);
157 	dw_hdma_debugfs_regs_rd(dw, regs_dent);
160 void dw_hdma_v0_debugfs_on(struct dw_edma *dw)
165 	debugfs_create_u32("mf", 0444, dw->dma.dbg_dev_root, &dw->chip->mf);
166 	debugfs_create_u16("wr_ch_cnt", 0444, dw->dma.dbg_dev_root, &dw->wr_ch_cnt);
167 	debugfs_create_u16("rd_ch_cnt", 0444, dw->dma.dbg_dev_root, &dw->rd_ch_cnt);
169 	dw_hdma_debugfs_regs(dw);