47 static void gpio_write(struct cx18 *cx)  in gpio_write()  argument
49 	u32 dir_lo = cx->gpio_dir & 0xffff;  in gpio_write()
50 	u32 val_lo = cx->gpio_val & 0xffff;  in gpio_write()
51 	u32 dir_hi = cx->gpio_dir >> 16;  in gpio_write()
52 	u32 val_hi = cx->gpio_val >> 16;  in gpio_write()
54 	cx18_write_reg_expect(cx, dir_lo << 16,  in gpio_write()
56 	cx18_write_reg_expect(cx, (dir_lo << 16) | val_lo,  in gpio_write()
58 	cx18_write_reg_expect(cx, dir_hi << 16,  in gpio_write()
60 	cx18_write_reg_expect(cx, (dir_hi << 16) | val_hi,  in gpio_write()
64 static void gpio_update(struct cx18 *cx, u32 mask, u32 data)  in gpio_update()  argument
69 	mutex_lock(&cx->gpio_lock);  in gpio_update()
70 	cx->gpio_val = (cx->gpio_val & ~mask) | (data & mask);  in gpio_update()
71 	gpio_write(cx);  in gpio_update()
72 	mutex_unlock(&cx->gpio_lock);  in gpio_update()
75 static void gpio_reset_seq(struct cx18 *cx, u32 active_lo, u32 active_hi,  in gpio_reset_seq()  argument
92 	gpio_update(cx, mask, ~active_lo);  in gpio_reset_seq()
96 	gpio_update(cx, mask, ~active_hi);  in gpio_reset_seq()
105 	struct cx18 *cx = v4l2_get_subdevdata(sd);  in gpiomux_log_status()  local
107 	mutex_lock(&cx->gpio_lock);  in gpiomux_log_status()
109 		      cx->gpio_dir, cx->gpio_val);  in gpiomux_log_status()
110 	mutex_unlock(&cx->gpio_lock);  in gpiomux_log_status()
116 	struct cx18 *cx = v4l2_get_subdevdata(sd);  in gpiomux_s_radio()  local
119 	 * FIXME - work out the cx->active/audio_input mess - this is  in gpiomux_s_radio()
121 	 * audio routing, but we need to update the state in cx  in gpiomux_s_radio()
123 	gpio_update(cx, cx->card->gpio_audio_input.mask,  in gpiomux_s_radio()
124 			cx->card->gpio_audio_input.radio);  in gpiomux_s_radio()
130 	struct cx18 *cx = v4l2_get_subdevdata(sd);  in gpiomux_s_std()  local
133 	switch (cx->card->audio_inputs[cx->audio_input].muxer_input) {  in gpiomux_s_std()
135 		data = cx->card->gpio_audio_input.linein;  in gpiomux_s_std()
138 		data = cx->card->gpio_audio_input.tuner;  in gpiomux_s_std()
142 		 * FIXME - work out the cx->active/audio_input mess - this is  in gpiomux_s_std()
144 		 * audio routing, but we need to update the state in cx  in gpiomux_s_std()
146 		data = cx->card->gpio_audio_input.tuner;  in gpiomux_s_std()
149 	gpio_update(cx, cx->card->gpio_audio_input.mask, data);  in gpiomux_s_std()
156 	struct cx18 *cx = v4l2_get_subdevdata(sd);  in gpiomux_s_audio_routing()  local
161 		data = cx->card->gpio_audio_input.tuner;  in gpiomux_s_audio_routing()
164 		data = cx->card->gpio_audio_input.linein;  in gpiomux_s_audio_routing()
167 		data = cx->card->gpio_audio_input.radio;  in gpiomux_s_audio_routing()
172 	gpio_update(cx, cx->card->gpio_audio_input.mask, data);  in gpiomux_s_audio_routing()
204 	struct cx18 *cx = v4l2_get_subdevdata(sd);  in resetctrl_log_status()  local
206 	mutex_lock(&cx->gpio_lock);  in resetctrl_log_status()
208 		      cx->gpio_dir, cx->gpio_val);  in resetctrl_log_status()
209 	mutex_unlock(&cx->gpio_lock);  in resetctrl_log_status()
215 	struct cx18 *cx = v4l2_get_subdevdata(sd);  in resetctrl_reset()  local
218 	p = &cx->card->gpio_i2c_slave_reset;  in resetctrl_reset()
221 		gpio_reset_seq(cx, p->active_lo_mask, p->active_hi_mask,  in resetctrl_reset()
239 		gpio_reset_seq(cx, p->ir_reset_mask, 0,  in resetctrl_reset()
243 		if (cx->card->tuners[0].tuner == TUNER_XC2028)  in resetctrl_reset()
244 			gpio_reset_seq(cx, (1 << cx->card->xceive_pin), 0,  in resetctrl_reset()
263 void cx18_gpio_init(struct cx18 *cx)  in cx18_gpio_init()  argument
265 	mutex_lock(&cx->gpio_lock);  in cx18_gpio_init()
266 	cx->gpio_dir = cx->card->gpio_init.direction;  in cx18_gpio_init()
267 	cx->gpio_val = cx->card->gpio_init.initial_value;  in cx18_gpio_init()
269 	if (cx->card->tuners[0].tuner == TUNER_XC2028) {  in cx18_gpio_init()
270 		cx->gpio_dir |= 1 << cx->card->xceive_pin;  in cx18_gpio_init()
271 		cx->gpio_val |= 1 << cx->card->xceive_pin;  in cx18_gpio_init()
274 	if (cx->gpio_dir == 0) {  in cx18_gpio_init()
275 		mutex_unlock(&cx->gpio_lock);  in cx18_gpio_init()
280 			cx18_read_reg(cx, CX18_REG_GPIO_DIR1),  in cx18_gpio_init()
281 			cx18_read_reg(cx, CX18_REG_GPIO_DIR2),  in cx18_gpio_init()
282 			cx18_read_reg(cx, CX18_REG_GPIO_OUT1),  in cx18_gpio_init()
283 			cx18_read_reg(cx, CX18_REG_GPIO_OUT2));  in cx18_gpio_init()
285 	gpio_write(cx);  in cx18_gpio_init()
286 	mutex_unlock(&cx->gpio_lock);  in cx18_gpio_init()
289 int cx18_gpio_register(struct cx18 *cx, u32 hw)  in cx18_gpio_register()  argument
297 		sd = &cx->sd_gpiomux;  in cx18_gpio_register()
302 		sd = &cx->sd_resetctrl;  in cx18_gpio_register()
311 	v4l2_set_subdevdata(sd, cx);  in cx18_gpio_register()
312 	snprintf(sd->name, sizeof(sd->name), "%s %s", cx->v4l2_dev.name, str);  in cx18_gpio_register()
314 	return v4l2_device_register_subdev(&cx->v4l2_dev, sd);  in cx18_gpio_register()
319 	struct cx18 *cx = to_cx18((struct v4l2_device *)data);  in cx18_reset_ir_gpio()  local
321 	if (cx->card->gpio_i2c_slave_reset.ir_reset_mask == 0)  in cx18_reset_ir_gpio()
326 	v4l2_subdev_call(&cx->sd_resetctrl,  in cx18_reset_ir_gpio()
337 	struct cx18 *cx = cb_data->cx;  in cx18_reset_tuner_gpio()  local
340 	    cx->card->tuners[0].tuner != TUNER_XC2028)  in cx18_reset_tuner_gpio()
344 	return v4l2_subdev_call(&cx->sd_resetctrl,  in cx18_reset_tuner_gpio()