45 static void start_fw_load(struct i2c_client *client)  in start_fw_load()  argument
48 	cx25840_write(client, 0x800, 0x00);  in start_fw_load()
49 	cx25840_write(client, 0x801, 0x00);  in start_fw_load()
51 	cx25840_write(client, 0x803, 0x0b);  in start_fw_load()
53 	cx25840_write(client, 0x000, 0x20);  in start_fw_load()
56 static void end_fw_load(struct i2c_client *client)  in end_fw_load()  argument
59 	cx25840_write(client, 0x000, 0x00);  in end_fw_load()
61 	cx25840_write(client, 0x803, 0x03);  in end_fw_load()
68 static const char *get_fw_name(struct i2c_client *client)  in get_fw_name()  argument
70 	struct cx25840_state *state = to_state(i2c_get_clientdata(client));  in get_fw_name()
81 static int check_fw_load(struct i2c_client *client, int size)  in check_fw_load()  argument
84 	int s = cx25840_read(client, 0x801) << 8;  in check_fw_load()
85 	s |= cx25840_read(client, 0x800);  in check_fw_load()
88 		v4l_err(client, "firmware %s load failed\n",  in check_fw_load()
89 				get_fw_name(client));  in check_fw_load()
93 	v4l_info(client, "loaded %s firmware (%d bytes)\n",  in check_fw_load()
94 			get_fw_name(client), size);  in check_fw_load()
98 static int fw_write(struct i2c_client *client, const u8 *data, int size)  in fw_write()  argument
100 	if (i2c_master_send(client, data, size) < size) {  in fw_write()
101 		v4l_err(client, "firmware load i2c failure\n");  in fw_write()
108 int cx25840_loadfw(struct i2c_client *client)  in cx25840_loadfw()  argument
110 	struct cx25840_state *state = to_state(i2c_get_clientdata(client));  in cx25840_loadfw()
114 	const char *fwname = get_fw_name(client);  in cx25840_loadfw()
121 		gpio_oe = cx25840_read(client, 0x160);  in cx25840_loadfw()
122 		gpio_da = cx25840_read(client, 0x164);  in cx25840_loadfw()
129 	if (request_firmware(&fw, fwname, FWDEV(client)) != 0) {  in cx25840_loadfw()
130 		v4l_err(client, "unable to open firmware %s\n", fwname);  in cx25840_loadfw()
134 	start_fw_load(client);  in cx25840_loadfw()
146 		retval = fw_write(client, buffer, len + 2);  in cx25840_loadfw()
157 	end_fw_load(client);  in cx25840_loadfw()
164 		cx25840_write(client, 0x160, gpio_oe);  in cx25840_loadfw()
165 		cx25840_write(client, 0x164, gpio_da);  in cx25840_loadfw()
168 	return check_fw_load(client, size);  in cx25840_loadfw()