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(Phil) Expansion and beginning functionality of BT869 driver.
git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@458 7894878c-1315-0410-8ee3-d5d059ff63e0
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Philip Edelbrock committed
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@@ -63,7 +63,10 @@ struct bt869_data {
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char valid; /* !=0 if following fields are valid */
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unsigned long last_updated; /* In jiffies */
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u16 status[3]; /* Register values */
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u8 status[3]; /* Register values */
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u16 res[2]; /* Resolution XxY */
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u8 ntsc; /* Resolution XxY */
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u8 half; /* Resolution XxY */
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};
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#ifdef MODULE
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@@ -86,6 +89,12 @@ static int bt869_read_value(struct i2c_client *client, u8 reg);
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static int bt869_write_value(struct i2c_client *client, u8 reg, u16 value);
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static void bt869_status(struct i2c_client *client, int operation, int ctl_name,
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int *nrels_mag, long *results);
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static void bt869_ntsc(struct i2c_client *client, int operation, int ctl_name,
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int *nrels_mag, long *results);
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static void bt869_res(struct i2c_client *client, int operation, int ctl_name,
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int *nrels_mag, long *results);
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static void bt869_half(struct i2c_client *client, int operation, int ctl_name,
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int *nrels_mag, long *results);
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static void bt869_update_client(struct i2c_client *client);
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@@ -107,8 +116,14 @@ static struct i2c_driver bt869_driver = {
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is done through one of the 'extra' fields which are initialized
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when a new copy is allocated. */
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static ctl_table bt869_dir_table_template[] = {
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{ BT869_SYSCTL_STATUS, "status", NULL, 0, 0644, NULL, &sensors_proc_real,
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{ BT869_SYSCTL_STATUS, "status", NULL, 0, 0444, NULL, &sensors_proc_real,
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&sensors_sysctl_real, NULL, &bt869_status },
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{ BT869_SYSCTL_NTSC, "ntsc", NULL, 0, 0644, NULL, &sensors_proc_real,
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&sensors_sysctl_real, NULL, &bt869_ntsc },
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{ BT869_SYSCTL_RES, "res", NULL, 0, 0644, NULL, &sensors_proc_real,
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&sensors_sysctl_real, NULL, &bt869_res },
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{ BT869_SYSCTL_HALF, "half", NULL, 0, 0644, NULL, &sensors_proc_real,
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&sensors_sysctl_real, NULL, &bt869_half },
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{ 0 }
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};
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@@ -171,7 +186,7 @@ printk("bt869.o: probing address %d .\n",address);
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new_client->addr,0xC4,0); /* set status bank 0 */
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cur = smbus_read_byte_data(adapter,address,0);
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printk("bt869.o: address 0x%X testing-->0x%X\n",address,cur);
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if (cur != 0x22)
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if ((cur | 0x20) != 0x22)
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goto ERROR1;
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/* Determine the chip type */
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@@ -307,8 +322,19 @@ int bt869_write_value(struct i2c_client *client, u8 reg, u16 value)
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void bt869_init_client(struct i2c_client *client)
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{
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struct bt869_data *data = client->data;
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/* Initialize the bt869 chip */
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bt869_write_value(client,0xC4,0);
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bt869_write_value(client,0x06C,0x80);
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bt869_write_value(client,0x0ba,0x80);
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bt869_write_value(client,0x0D6, 0x80);
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/* depth =16bpp */
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bt869_write_value(client,0x0C6, 0x001);
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bt869_write_value(client,0xC4,1);
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data->res[0]=640;
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data->res[1]=480;
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data->ntsc=1;
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data->half=0;
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/* Todo: setup the proper modes */
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}
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@@ -326,13 +352,26 @@ void bt869_update_client(struct i2c_client *client)
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printk("Starting bt869 update\n");
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#endif
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bt869_write_value(client,0xC4,0);
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/* Set values of device */
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if ((data->res[0] == 640) && (data->res[1] == 480)) {
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bt869_write_value(client,0xD6,(0 + (! data->ntsc))<<2);
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} else if ((data->res[0] == 800) && (data->res[1] == 600)) {
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bt869_write_value(client,0xD6,(2 + (! data->ntsc))<<2);
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} else {
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bt869_write_value(client,0xD6,(0 + (! data->ntsc))<<2);
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printk("bt869.o: Warning: arbitrary resolutions not supported yet. Using 640x480.\n");
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}
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bt869_write_value(client,0xD4,data->half);
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/* Get status */
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bt869_write_value(client,0xC4,1);
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data->status[0] = bt869_read_value(client,1);
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bt869_write_value(client,0xC4,0x40);
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bt869_write_value(client,0xC4,0x41);
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data->status[1] = bt869_read_value(client,1);
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bt869_write_value(client,0xC4,0x80);
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bt869_write_value(client,0xC4,0x81);
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data->status[2] = bt869_read_value(client,1);
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bt869_write_value(client,0xC4,0x0C0);
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bt869_write_value(client,0xC4,0x0C1);
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data->last_updated = jiffies;
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data->valid = 1;
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}
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@@ -353,14 +392,65 @@ void bt869_status(struct i2c_client *client, int operation, int ctl_name,
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results[1] = data->status[1];
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results[2] = data->status[2];
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*nrels_mag = 3;
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} else if (operation == SENSORS_PROC_REAL_WRITE) {
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printk("bt869.o: Warning: write was requested on read-only proc file: status\n");
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}
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}
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void bt869_ntsc(struct i2c_client *client, int operation, int ctl_name,
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int *nrels_mag, long *results)
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{
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struct bt869_data *data = client->data;
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if (operation == SENSORS_PROC_REAL_INFO)
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*nrels_mag = 0;
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else if (operation == SENSORS_PROC_REAL_READ) {
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bt869_update_client(client);
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results[0] = data->ntsc;
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*nrels_mag = 1;
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} else if (operation == SENSORS_PROC_REAL_WRITE) {
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if (*nrels_mag >= 1) {
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// data->temp_os = TEMP_TO_REG(results[0]);
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// bt869_write_value(client,bt869_REG_TEMP_OS,data->temp_os);
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data->ntsc = (results[0] > 0);
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}
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}
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}
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void bt869_res(struct i2c_client *client, int operation, int ctl_name,
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int *nrels_mag, long *results)
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{
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struct bt869_data *data = client->data;
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if (operation == SENSORS_PROC_REAL_INFO)
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*nrels_mag = 0;
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else if (operation == SENSORS_PROC_REAL_READ) {
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bt869_update_client(client);
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results[0] = data->res[0];
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results[1] = data->res[1];
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*nrels_mag = 2;
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} else if (operation == SENSORS_PROC_REAL_WRITE) {
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if (*nrels_mag >= 1) {
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data->res[0] = results[0];
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}
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if (*nrels_mag >= 2) {
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// data->temp_os = TEMP_TO_REG(results[1]);
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// bt869_write_value(client,bt869_REG_TEMP_HYST,data->temp_os);
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data->res[1] = results[1];
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}
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}
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}
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void bt869_half(struct i2c_client *client, int operation, int ctl_name,
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int *nrels_mag, long *results)
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{
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struct bt869_data *data = client->data;
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if (operation == SENSORS_PROC_REAL_INFO)
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*nrels_mag = 0;
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else if (operation == SENSORS_PROC_REAL_READ) {
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bt869_update_client(client);
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results[0] = data->half;
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*nrels_mag = 1;
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} else if (operation == SENSORS_PROC_REAL_WRITE) {
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if (*nrels_mag >= 1) {
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data->half = (results[0] > 0);
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}
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}
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}
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@@ -556,5 +556,8 @@ struct sensors_chips_data {
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#define ICSPLL_SYSCTL1 1000
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#define BT869_SYSCTL_STATUS 1000
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#define BT869_SYSCTL_NTSC 1001
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#define BT869_SYSCTL_HALF 1002
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#define BT869_SYSCTL_RES 1003
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#endif /* def SENSORS_SENSORS_H */
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