23 #include <linux/mfd/wl1273-core.h>
27 #define DRIVER_DESC "WL1273 FM Radio Core"
35 static int wl1273_fm_read_reg(struct wl1273_core *core, u8 reg, u16 *value)  in wl1273_fm_read_reg()  argument
37 	struct i2c_client *client = core->client;  in wl1273_fm_read_reg()
52 static int wl1273_fm_write_cmd(struct wl1273_core *core, u8 cmd, u16 param)  in wl1273_fm_write_cmd()  argument
54 	struct i2c_client *client = core->client;  in wl1273_fm_write_cmd()
67 static int wl1273_fm_write_data(struct wl1273_core *core, u8 *data, u16 len)  in wl1273_fm_write_data()  argument
69 	struct i2c_client *client = core->client;  in wl1273_fm_write_data()
89  * @core:			A pointer to the device struct.
94 static int wl1273_fm_set_audio(struct wl1273_core *core, unsigned int new_mode)  in wl1273_fm_set_audio()  argument
98 	if (core->mode == WL1273_MODE_OFF ||  in wl1273_fm_set_audio()
99 	    core->mode == WL1273_MODE_SUSPENDED)  in wl1273_fm_set_audio()
102 	if (core->mode == WL1273_MODE_RX && new_mode == WL1273_AUDIO_DIGITAL) {  in wl1273_fm_set_audio()
103 		r = wl1273_fm_write_cmd(core, WL1273_PCM_MODE_SET,  in wl1273_fm_set_audio()
108 		r = wl1273_fm_write_cmd(core, WL1273_I2S_MODE_CONFIG_SET,  in wl1273_fm_set_audio()
109 					core->i2s_mode);  in wl1273_fm_set_audio()
113 		r = wl1273_fm_write_cmd(core, WL1273_AUDIO_ENABLE,  in wl1273_fm_set_audio()
118 	} else if (core->mode == WL1273_MODE_RX &&  in wl1273_fm_set_audio()
120 		r = wl1273_fm_write_cmd(core, WL1273_AUDIO_ENABLE,  in wl1273_fm_set_audio()
125 	} else if (core->mode == WL1273_MODE_TX &&  in wl1273_fm_set_audio()
127 		r = wl1273_fm_write_cmd(core, WL1273_I2S_MODE_CONFIG_SET,  in wl1273_fm_set_audio()
128 					core->i2s_mode);  in wl1273_fm_set_audio()
132 		r = wl1273_fm_write_cmd(core, WL1273_AUDIO_IO_SET,  in wl1273_fm_set_audio()
137 	} else if (core->mode == WL1273_MODE_TX &&  in wl1273_fm_set_audio()
139 		r = wl1273_fm_write_cmd(core, WL1273_AUDIO_IO_SET,  in wl1273_fm_set_audio()
145 	core->audio_mode = new_mode;  in wl1273_fm_set_audio()
152  * @core:			A pointer to the device struct.
155 static int wl1273_fm_set_volume(struct wl1273_core *core, unsigned int volume)  in wl1273_fm_set_volume()  argument
162 	if (core->volume == volume)  in wl1273_fm_set_volume()
165 	r = wl1273_fm_write_cmd(core, WL1273_VOLUME_SET, volume);  in wl1273_fm_set_volume()
169 	core->volume = volume;  in wl1273_fm_set_volume()
175 	struct wl1273_core *core = i2c_get_clientdata(client);  in wl1273_core_remove()  local
180 	kfree(core);  in wl1273_core_remove()
189 	struct wl1273_core *core;  in wl1273_core_probe()  local
206 	core = kzalloc(sizeof(*core), GFP_KERNEL);  in wl1273_core_probe()
207 	if (!core)  in wl1273_core_probe()
210 	core->pdata = pdata;  in wl1273_core_probe()
211 	core->client = client;  in wl1273_core_probe()
212 	mutex_init(&core->lock);  in wl1273_core_probe()
214 	i2c_set_clientdata(client, core);  in wl1273_core_probe()
218 	cell = &core->cells[children];  in wl1273_core_probe()
220 	cell->platform_data = &core;  in wl1273_core_probe()
221 	cell->pdata_size = sizeof(core);  in wl1273_core_probe()
224 	core->read = wl1273_fm_read_reg;  in wl1273_core_probe()
225 	core->write = wl1273_fm_write_cmd;  in wl1273_core_probe()
226 	core->write_data = wl1273_fm_write_data;  in wl1273_core_probe()
227 	core->set_audio = wl1273_fm_set_audio;  in wl1273_core_probe()
228 	core->set_volume = wl1273_fm_set_volume;  in wl1273_core_probe()
231 		cell = &core->cells[children];  in wl1273_core_probe()
235 		cell->platform_data = &core;  in wl1273_core_probe()
236 		cell->pdata_size = sizeof(core);  in wl1273_core_probe()
243 	r = mfd_add_devices(&client->dev, -1, core->cells,  in wl1273_core_probe()
252 	kfree(core);  in wl1273_core_probe()