1 // SPDX-License-Identifier: GPL-2.0-only
3  * saa7706.c Philips SAA7706H Car Radio DSP driver
15 #include <media/v4l2-device.h>
16 #include <media/v4l2-ctrls.h>
22 	$1C00 - $FFFF Not Used
23 	$2200 - $3FFF Reserved YRAM (DSP2) space
24 	$2000 - $21FF YRAM (DSP2)
25 	$1FF0 - $1FFF Hardware Registers
26 	$1280 - $1FEF Reserved XRAM (DSP2) space
27 	$1000 - $127F XRAM (DSP2)
28 	$0FFF        DSP CONTROL
29 	$0A00 - $0FFE Reserved
30 	$0980 - $09FF Reserved YRAM (DSP1) space
31 	$0800 - $097F YRAM (DSP1)
32 	$0200 - $07FF Not Used
33 	$0180 - $01FF Reserved XRAM (DSP1) space
34 	$0000 - $017F XRAM (DSP1)
132 	return err > 0 ? -EIO : err;  in saa7706h_i2c_send()
138 	int err = i2c_transfer(client->adapter, msgs, num);  in saa7706h_i2c_transfer()
141 	return err > 0 ? -EIO : err;  in saa7706h_i2c_transfer()
193 						.addr = client->addr,  in saa7706h_get_reg16()
198 						.addr = client->addr,  in saa7706h_get_reg16()
292 		state->muted = 0;  in saa7706h_unmute()
305 		state->muted = 1;  in saa7706h_mute()
309 static int saa7706h_s_ctrl(struct v4l2_ctrl *ctrl)  in saa7706h_s_ctrl()  argument
312 		container_of(ctrl->handler, struct saa7706h_state, hdl);  in saa7706h_s_ctrl()
314 	switch (ctrl->id) {  in saa7706h_s_ctrl()
316 		if (ctrl->val)  in saa7706h_s_ctrl()
317 			return saa7706h_mute(&state->sd);  in saa7706h_s_ctrl()
318 		return saa7706h_unmute(&state->sd);  in saa7706h_s_ctrl()
320 	return -EINVAL;  in saa7706h_s_ctrl()
342 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))  in saa7706h_probe()
343 		return -EIO;  in saa7706h_probe()
346 			client->addr << 1, client->adapter->name);  in saa7706h_probe()
350 		return -ENOMEM;  in saa7706h_probe()
351 	sd = &state->sd;  in saa7706h_probe()
354 	v4l2_ctrl_handler_init(&state->hdl, 4);  in saa7706h_probe()
355 	v4l2_ctrl_new_std(&state->hdl, &saa7706h_ctrl_ops,  in saa7706h_probe()
357 	sd->ctrl_handler = &state->hdl;  in saa7706h_probe()
358 	err = state->hdl.error;  in saa7706h_probe()
368 	state->muted = 1;  in saa7706h_probe()
379 	v4l2_ctrl_handler_free(&state->hdl);  in saa7706h_probe()
394 	v4l2_ctrl_handler_free(&state->hdl);  in saa7706h_remove()
416 MODULE_DESCRIPTION("SAA7706H Car Radio DSP driver");