99 zs_get_speed(struct zs_chanstate *cs)  in zs_get_speed()  argument
103 	tconst = zs_read_reg(cs, 12);  in zs_get_speed()
104 	tconst |= zs_read_reg(cs, 13) << 8;  in zs_get_speed()
105 	return TCONST_TO_BPS(cs->cs_brg_clk, tconst);  in zs_get_speed()
112 zs_set_speed(struct zs_chanstate *cs, int bps)  in zs_set_speed()  argument
120 	if (cs->cs_brg_clk == 0)  in zs_set_speed()
124 	tconst = BPS_TO_TCONST(cs->cs_brg_clk, bps);  in zs_set_speed()
129 	real_bps = TCONST_TO_BPS(cs->cs_brg_clk, tconst);  in zs_set_speed()
135 	cs->cs_preg[12] = tconst;  in zs_set_speed()
136 	cs->cs_preg[13] = tconst >> 8;  in zs_set_speed()
143 zs_set_modes(struct zs_chanstate *cs, int cflag)  in zs_set_modes()  argument
155 	cs->cs_rr0_pps = 0;  in zs_set_modes()
157 		cs->cs_rr0_dcd = 0;  in zs_set_modes()
159 			cs->cs_rr0_pps = ZSRR0_DCD;  in zs_set_modes()
161 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zs_set_modes()
163 		cs->cs_wr5_dtr = ZSWR5_DTR;  in zs_set_modes()
164 		cs->cs_wr5_rts = ZSWR5_RTS;  in zs_set_modes()
165 		cs->cs_rr0_cts = ZSRR0_CTS;  in zs_set_modes()
167 		cs->cs_wr5_dtr = 0;  in zs_set_modes()
168 		cs->cs_wr5_rts = ZSWR5_DTR;  in zs_set_modes()
169 		cs->cs_rr0_cts = ZSRR0_DCD;  in zs_set_modes()
171 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;  in zs_set_modes()
172 		cs->cs_wr5_rts = 0;  in zs_set_modes()
173 		cs->cs_rr0_cts = 0;  in zs_set_modes()
185 zs_read_reg(struct zs_chanstate *cs, uint8_t reg)  in zs_read_reg()  argument
189 	*cs->cs_reg_csr = reg;  in zs_read_reg()
191 	val = *cs->cs_reg_csr;  in zs_read_reg()
197 zs_write_reg(struct zs_chanstate *cs, uint8_t reg, uint8_t val)  in zs_write_reg()  argument
200 	*cs->cs_reg_csr = reg;  in zs_write_reg()
202 	*cs->cs_reg_csr = val;  in zs_write_reg()
207 zs_read_csr(struct zs_chanstate *cs)  in zs_read_csr()  argument
211 	val = *cs->cs_reg_csr;  in zs_read_csr()
217 zs_write_csr(struct zs_chanstate *cs, uint8_t val)  in zs_write_csr()  argument
220 	*cs->cs_reg_csr = val;  in zs_write_csr()
225 zs_read_data(struct zs_chanstate *cs)  in zs_read_data()  argument
229 	val = *cs->cs_reg_data;  in zs_read_data()
235 zs_write_data(struct zs_chanstate *cs, uint8_t val)  in zs_write_data()  argument
238 	*cs->cs_reg_data = val;  in zs_write_data()
242 zs_abort(struct zs_chanstate *cs)  in zs_abort()  argument
256 	struct zs_chanstate *cs = arg;  in zs_getc()  local
263 		rr0 = *cs->cs_reg_csr;  in zs_getc()
267 	c = *cs->cs_reg_data;  in zs_getc()
284 	struct zs_chanstate *cs = arg;  in zs_putc()  local
291 		rr0 = *cs->cs_reg_csr;  in zs_putc()
295 	*cs->cs_reg_data = c;  in zs_putc()