1 // SPDX-License-Identifier: GPL-2.0
49 	if ((cbuf->num_cmds % 2) == 0)  in cmdbuf_add()
50 		cbuf->tmp = cmd;  in cmdbuf_add()
52 		cbuf->tmp |= cmd << 4;  in cmdbuf_add()
53 		buf_idx = cbuf->num_cmds / 2;  in cmdbuf_add()
54 		if (buf_idx < ARRAY_SIZE(cbuf->data))  in cmdbuf_add()
55 			cbuf->data[buf_idx] = cbuf->tmp;  in cmdbuf_add()
57 	cbuf->num_cmds++;  in cmdbuf_add()
63 	if (cbuf->num_cmds % 2)  in put_end()
91 		cmdbuf_add(cbuf, (i == size - 1) ? I_DATA_H_NOP : I_DATA_L_NOP);  in put_byte_read()
103 /* translates msgs to internal commands for bit-banging */
109 	cbuf->num_cmds = 0;  in translate()
132 		v = ioread32(pt3->regs[0] + REG_I2C_R);  in wait_i2c_result()
138 		return -EIO;  in wait_i2c_result()
144 /* send [pre-]translated i2c msgs stored at addr */
151 		dev_warn(&pt3->pdev->dev, "(%s) prev. transaction stalled\n",  in send_i2c_cmd()
153 		return -EIO;  in send_i2c_cmd()
156 	iowrite32(PT3_I2C_RUN | addr, pt3->regs[0] + REG_I2C_W);  in send_i2c_cmd()
160 		dev_warn(&pt3->pdev->dev, "(%s) failed.\n", __func__);  in send_i2c_cmd()
161 		return -EIO;  in send_i2c_cmd()
172 	ioread32(pt3->regs[0] + REG_I2C_R);  in pt3_init_all_demods()
176 /* init commands for two ISDB-T tuners are hidden in ROM. */
185 	iowrite32(PT3_I2C_RESET, pt3->regs[0] + REG_I2C_W);  in pt3_i2c_reset()
200 	cbuf = pt3->i2c_buf;  in pt3_i2c_master_xfer()
204 			dev_warn(&pt3->pdev->dev,  in pt3_i2c_master_xfer()
207 			return -EINVAL;  in pt3_i2c_master_xfer()
211 	memcpy_toio(pt3->regs[1] + PT3_I2C_BASE + PT3_CMD_ADDR_NORMAL / 2,  in pt3_i2c_master_xfer()
212 			cbuf->data, cbuf->num_cmds);  in pt3_i2c_master_xfer()
215 		return -EIO;  in pt3_i2c_master_xfer()
217 	p = pt3->regs[1] + PT3_I2C_BASE;  in pt3_i2c_master_xfer()