38 static void gpio_write(struct cx18 *cx)  in gpio_write()  argument
40 	u32 dir_lo = cx->gpio_dir & 0xffff;  in gpio_write()
41 	u32 val_lo = cx->gpio_val & 0xffff;  in gpio_write()
42 	u32 dir_hi = cx->gpio_dir >> 16;  in gpio_write()
43 	u32 val_hi = cx->gpio_val >> 16;  in gpio_write()
45 	cx18_write_reg_expect(cx, dir_lo << 16,  in gpio_write()
47 	cx18_write_reg_expect(cx, (dir_lo << 16) | val_lo,  in gpio_write()
49 	cx18_write_reg_expect(cx, dir_hi << 16,  in gpio_write()
51 	cx18_write_reg_expect(cx, (dir_hi << 16) | val_hi,  in gpio_write()
55 static void gpio_update(struct cx18 *cx, u32 mask, u32 data)  in gpio_update()  argument
60 	mutex_lock(&cx->gpio_lock);  in gpio_update()
61 	cx->gpio_val = (cx->gpio_val & ~mask) | (data & mask);  in gpio_update()
62 	gpio_write(cx);  in gpio_update()
63 	mutex_unlock(&cx->gpio_lock);  in gpio_update()
66 static void gpio_reset_seq(struct cx18 *cx, u32 active_lo, u32 active_hi,  in gpio_reset_seq()  argument
83 	gpio_update(cx, mask, ~active_lo);  in gpio_reset_seq()
87 	gpio_update(cx, mask, ~active_hi);  in gpio_reset_seq()
96 	struct cx18 *cx = v4l2_get_subdevdata(sd);  in gpiomux_log_status()  local
98 	mutex_lock(&cx->gpio_lock);  in gpiomux_log_status()
100 		      cx->gpio_dir, cx->gpio_val);  in gpiomux_log_status()
101 	mutex_unlock(&cx->gpio_lock);  in gpiomux_log_status()
107 	struct cx18 *cx = v4l2_get_subdevdata(sd);  in gpiomux_s_radio()  local
110 	 * FIXME - work out the cx->active/audio_input mess - this is  in gpiomux_s_radio()
112 	 * audio routing, but we need to update the state in cx  in gpiomux_s_radio()
114 	gpio_update(cx, cx->card->gpio_audio_input.mask,  in gpiomux_s_radio()
115 			cx->card->gpio_audio_input.radio);  in gpiomux_s_radio()
121 	struct cx18 *cx = v4l2_get_subdevdata(sd);  in gpiomux_s_std()  local
124 	switch (cx->card->audio_inputs[cx->audio_input].muxer_input) {  in gpiomux_s_std()
126 		data = cx->card->gpio_audio_input.linein;  in gpiomux_s_std()
129 		data = cx->card->gpio_audio_input.tuner;  in gpiomux_s_std()
133 		 * FIXME - work out the cx->active/audio_input mess - this is  in gpiomux_s_std()
135 		 * audio routing, but we need to update the state in cx  in gpiomux_s_std()
137 		data = cx->card->gpio_audio_input.tuner;  in gpiomux_s_std()
140 	gpio_update(cx, cx->card->gpio_audio_input.mask, data);  in gpiomux_s_std()
147 	struct cx18 *cx = v4l2_get_subdevdata(sd);  in gpiomux_s_audio_routing()  local
152 		data = cx->card->gpio_audio_input.tuner;  in gpiomux_s_audio_routing()
155 		data = cx->card->gpio_audio_input.linein;  in gpiomux_s_audio_routing()
158 		data = cx->card->gpio_audio_input.radio;  in gpiomux_s_audio_routing()
163 	gpio_update(cx, cx->card->gpio_audio_input.mask, data);  in gpiomux_s_audio_routing()
195 	struct cx18 *cx = v4l2_get_subdevdata(sd);  in resetctrl_log_status()  local
197 	mutex_lock(&cx->gpio_lock);  in resetctrl_log_status()
199 		      cx->gpio_dir, cx->gpio_val);  in resetctrl_log_status()
200 	mutex_unlock(&cx->gpio_lock);  in resetctrl_log_status()
206 	struct cx18 *cx = v4l2_get_subdevdata(sd);  in resetctrl_reset()  local
209 	p = &cx->card->gpio_i2c_slave_reset;  in resetctrl_reset()
212 		gpio_reset_seq(cx, p->active_lo_mask, p->active_hi_mask,  in resetctrl_reset()
230 		gpio_reset_seq(cx, p->ir_reset_mask, 0,  in resetctrl_reset()
234 		if (cx->card->tuners[0].tuner == TUNER_XC2028)  in resetctrl_reset()
235 			gpio_reset_seq(cx, (1 << cx->card->xceive_pin), 0,  in resetctrl_reset()
254 void cx18_gpio_init(struct cx18 *cx)  in cx18_gpio_init()  argument
256 	mutex_lock(&cx->gpio_lock);  in cx18_gpio_init()
257 	cx->gpio_dir = cx->card->gpio_init.direction;  in cx18_gpio_init()
258 	cx->gpio_val = cx->card->gpio_init.initial_value;  in cx18_gpio_init()
260 	if (cx->card->tuners[0].tuner == TUNER_XC2028) {  in cx18_gpio_init()
261 		cx->gpio_dir |= 1 << cx->card->xceive_pin;  in cx18_gpio_init()
262 		cx->gpio_val |= 1 << cx->card->xceive_pin;  in cx18_gpio_init()
265 	if (cx->gpio_dir == 0) {  in cx18_gpio_init()
266 		mutex_unlock(&cx->gpio_lock);  in cx18_gpio_init()
271 			cx18_read_reg(cx, CX18_REG_GPIO_DIR1),  in cx18_gpio_init()
272 			cx18_read_reg(cx, CX18_REG_GPIO_DIR2),  in cx18_gpio_init()
273 			cx18_read_reg(cx, CX18_REG_GPIO_OUT1),  in cx18_gpio_init()
274 			cx18_read_reg(cx, CX18_REG_GPIO_OUT2));  in cx18_gpio_init()
276 	gpio_write(cx);  in cx18_gpio_init()
277 	mutex_unlock(&cx->gpio_lock);  in cx18_gpio_init()
280 int cx18_gpio_register(struct cx18 *cx, u32 hw)  in cx18_gpio_register()  argument
288 		sd = &cx->sd_gpiomux;  in cx18_gpio_register()
293 		sd = &cx->sd_resetctrl;  in cx18_gpio_register()
302 	v4l2_set_subdevdata(sd, cx);  in cx18_gpio_register()
303 	snprintf(sd->name, sizeof(sd->name), "%s %s", cx->v4l2_dev.name, str);  in cx18_gpio_register()
305 	return v4l2_device_register_subdev(&cx->v4l2_dev, sd);  in cx18_gpio_register()
310 	struct cx18 *cx = to_cx18(data);  in cx18_reset_ir_gpio()  local
312 	if (cx->card->gpio_i2c_slave_reset.ir_reset_mask == 0)  in cx18_reset_ir_gpio()
317 	v4l2_subdev_call(&cx->sd_resetctrl,  in cx18_reset_ir_gpio()
328 	struct cx18 *cx = cb_data->cx;  in cx18_reset_tuner_gpio()  local
331 	    cx->card->tuners[0].tuner != TUNER_XC2028)  in cx18_reset_tuner_gpio()
335 	return v4l2_subdev_call(&cx->sd_resetctrl,  in cx18_reset_tuner_gpio()