54 static void cmdbuf_add(struct pt3_i2cbuf *cbuf, enum ctl_cmd cmd)  in cmdbuf_add()  argument
58 	if ((cbuf->num_cmds % 2) == 0)  in cmdbuf_add()
59 		cbuf->tmp = cmd;  in cmdbuf_add()
61 		cbuf->tmp |= cmd << 4;  in cmdbuf_add()
62 		buf_idx = cbuf->num_cmds / 2;  in cmdbuf_add()
63 		if (buf_idx < ARRAY_SIZE(cbuf->data))  in cmdbuf_add()
64 			cbuf->data[buf_idx] = cbuf->tmp;  in cmdbuf_add()
66 	cbuf->num_cmds++;  in cmdbuf_add()
69 static void put_end(struct pt3_i2cbuf *cbuf)  in put_end()  argument
71 	cmdbuf_add(cbuf, I_END);  in put_end()
72 	if (cbuf->num_cmds % 2)  in put_end()
73 		cmdbuf_add(cbuf, I_END);  in put_end()
76 static void put_start(struct pt3_i2cbuf *cbuf)  in put_start()  argument
78 	cmdbuf_add(cbuf, I_DATA_H);  in put_start()
79 	cmdbuf_add(cbuf, I_CLOCK_H);  in put_start()
80 	cmdbuf_add(cbuf, I_DATA_L);  in put_start()
81 	cmdbuf_add(cbuf, I_CLOCK_L);  in put_start()
84 static void put_byte_write(struct pt3_i2cbuf *cbuf, u8 val)  in put_byte_write()  argument
90 		cmdbuf_add(cbuf, (val & mask) ? I_DATA_H_NOP : I_DATA_L_NOP);  in put_byte_write()
91 	cmdbuf_add(cbuf, I_DATA_H_ACK0);  in put_byte_write()
94 static void put_byte_read(struct pt3_i2cbuf *cbuf, u32 size)  in put_byte_read()  argument
100 			cmdbuf_add(cbuf, I_DATA_H_READ);  in put_byte_read()
101 		cmdbuf_add(cbuf, (i == size - 1) ? I_DATA_H_NOP : I_DATA_L_NOP);  in put_byte_read()
105 static void put_stop(struct pt3_i2cbuf *cbuf)  in put_stop()  argument
107 	cmdbuf_add(cbuf, I_DATA_L);  in put_stop()
108 	cmdbuf_add(cbuf, I_CLOCK_H);  in put_stop()
109 	cmdbuf_add(cbuf, I_DATA_H);  in put_stop()
114 static void translate(struct pt3_i2cbuf *cbuf, struct i2c_msg *msgs, int num)  in translate()  argument
119 	cbuf->num_cmds = 0;  in translate()
122 		put_start(cbuf);  in translate()
123 		put_byte_write(cbuf, msgs[i].addr << 1 | rd);  in translate()
125 			put_byte_read(cbuf, msgs[i].len);  in translate()
128 				put_byte_write(cbuf, msgs[i].buf[j]);  in translate()
131 		put_stop(cbuf);  in translate()
132 		put_end(cbuf);  in translate()
205 	struct pt3_i2cbuf *cbuf;  in pt3_i2c_master_xfer()  local
210 	cbuf = pt3->i2c_buf;  in pt3_i2c_master_xfer()
220 	translate(cbuf, msgs, num);  in pt3_i2c_master_xfer()
222 			cbuf->data, cbuf->num_cmds);  in pt3_i2c_master_xfer()