106 zs_get_speed(struct zs_chanstate *cs)  in zs_get_speed()  argument
110 	tconst = zs_read_reg(cs, 12);  in zs_get_speed()
111 	tconst |= zs_read_reg(cs, 13) << 8;  in zs_get_speed()
112 	return TCONST_TO_BPS(cs->cs_brg_clk, tconst);  in zs_get_speed()
119 zs_set_speed(struct zs_chanstate *cs, int bps)  in zs_set_speed()  argument
127 	if (cs->cs_brg_clk == 0)  in zs_set_speed()
131 	tconst = BPS_TO_TCONST(cs->cs_brg_clk, bps);  in zs_set_speed()
136 	real_bps = TCONST_TO_BPS(cs->cs_brg_clk, tconst);  in zs_set_speed()
142 	cs->cs_preg[12] = tconst;  in zs_set_speed()
143 	cs->cs_preg[13] = tconst >> 8;  in zs_set_speed()
150 zs_set_modes(struct zs_chanstate *cs, int cflag)  in zs_set_modes()  argument
162 	cs->cs_rr0_pps = 0;  in zs_set_modes()
164 		cs->cs_rr0_dcd = 0;  in zs_set_modes()
166 			cs->cs_rr0_pps = ZSRR0_DCD;  in zs_set_modes()
168 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zs_set_modes()
170 		cs->cs_wr5_dtr = ZSWR5_DTR;  in zs_set_modes()
171 		cs->cs_wr5_rts = ZSWR5_RTS;  in zs_set_modes()
172 		cs->cs_rr0_cts = ZSRR0_CTS;  in zs_set_modes()
174 		cs->cs_wr5_dtr = 0;  in zs_set_modes()
175 		cs->cs_wr5_rts = ZSWR5_DTR;  in zs_set_modes()
176 		cs->cs_rr0_cts = ZSRR0_DCD;  in zs_set_modes()
178 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;  in zs_set_modes()
179 		cs->cs_wr5_rts = 0;  in zs_set_modes()
180 		cs->cs_rr0_cts = 0;  in zs_set_modes()
193 zs_read_reg(struct zs_chanstate *cs, uint8_t reg)  in zs_read_reg()  argument
197 	*cs->cs_reg_csr = reg;  in zs_read_reg()
199 	val = *cs->cs_reg_csr;  in zs_read_reg()
205 zs_write_reg(struct zs_chanstate *cs, uint8_t reg, uint8_t val)  in zs_write_reg()  argument
208 	*cs->cs_reg_csr = reg;  in zs_write_reg()
210 	*cs->cs_reg_csr = val;  in zs_write_reg()
215 zs_read_csr(struct zs_chanstate *cs)  in zs_read_csr()  argument
219 	val = *cs->cs_reg_csr;  in zs_read_csr()
225 zs_write_csr(struct zs_chanstate *cs, uint8_t val)  in zs_write_csr()  argument
228 	*cs->cs_reg_csr = val;  in zs_write_csr()
233  zs_read_data(struct zs_chanstate *cs)  in zs_read_data()  argument
237 	val = *cs->cs_reg_data;  in zs_read_data()
243 zs_write_data(struct zs_chanstate *cs, uint8_t val)  in zs_write_data()  argument
246 	*cs->cs_reg_data = val;  in zs_write_data()
251 zs_abort(struct zs_chanstate *cs)  in zs_abort()  argument