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export EDID info to /proc
git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@1396 7894878c-1315-0410-8ee3-d5d059ff63e0
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Mark D. Studebaker committed
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commit
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2 files changed
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@@ -71,13 +71,13 @@ SENSORS_INSMOD_1(arp);
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static u8 reserved[] =
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/* As defined by SMBus Spec. Appendix C */
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{0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x28,
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0x2c, 0x2d, 0x37, 0x40, 0x41, 0x42,
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0x43, 0x44, ARP_ADDRESS,
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0x37, ARP_ADDRESS,
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/* As defined by SMBus Spec. Sect. 5.2 */
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0x01, 0x02, 0x03, 0x04, 0x05,
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0x06, 0x07, 0x78, 0x79, 0x7a, 0x7b,
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0x7c, 0x7d, 0x7e, 0x7f,
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/* Common PC addresses (bad idea) */
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0x2d, 0x48, 0x49, /* sensors */
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0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* eeproms */
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0x69, /* clock chips */
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/* Must end in 0 which is also reserved */
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@@ -91,7 +91,14 @@ static u8 reserved[] =
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#define ARP_MAX_DEVICES 8
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struct arp_device {
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int status;
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u8 udid[16];
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u8 dev_cap;
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u8 dev_ver;
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u16 dev_vid;
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u16 dev_did;
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u16 dev_int;
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u16 dev_svid;
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u16 dev_sdid;
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u32 dev_vsid;
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u8 saddr;
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};
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@@ -135,7 +142,6 @@ static void smbusarp_contents(struct i2c_client *client, int operation,
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static void smbusarp_update_client(struct i2c_client *client);
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/* This is the driver that will be inserted */
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static struct i2c_driver smbusarp_driver = {
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/* name */ "SMBUS ARP",
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/* id */ I2C_DRIVERID_ARP,
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@@ -147,8 +153,23 @@ static struct i2c_driver smbusarp_driver = {
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/* dec_use */ &smbusarp_dec_use
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};
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/* These files are created for each bus */
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static ctl_table smbusarp_dir_table_template[] = {
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{ARP_SYSCTL1, "0", NULL, 0, 0444, NULL, &i2c_proc_real,
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&i2c_sysctl_real, NULL, &smbusarp_contents},
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{ARP_SYSCTL2, "1", NULL, 0, 0444, NULL, &i2c_proc_real,
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&i2c_sysctl_real, NULL, &smbusarp_contents},
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{ARP_SYSCTL3, "2", NULL, 0, 0444, NULL, &i2c_proc_real,
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&i2c_sysctl_real, NULL, &smbusarp_contents},
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{ARP_SYSCTL4, "3", NULL, 0, 0444, NULL, &i2c_proc_real,
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&i2c_sysctl_real, NULL, &smbusarp_contents},
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{ARP_SYSCTL5, "4", NULL, 0, 0444, NULL, &i2c_proc_real,
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&i2c_sysctl_real, NULL, &smbusarp_contents},
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{ARP_SYSCTL6, "5", NULL, 0, 0444, NULL, &i2c_proc_real,
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&i2c_sysctl_real, NULL, &smbusarp_contents},
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{ARP_SYSCTL7, "6", NULL, 0, 0444, NULL, &i2c_proc_real,
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&i2c_sysctl_real, NULL, &smbusarp_contents},
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{ARP_SYSCTL8, "7", NULL, 0, 0444, NULL, &i2c_proc_real,
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&i2c_sysctl_real, NULL, &smbusarp_contents},
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{0}
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};
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@@ -286,6 +307,9 @@ int smbusarp_init_client(struct i2c_client *client)
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int found = 0;
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int newdev = 0;
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for(i = 0; i < ARP_MAX_DEVICES; i++)
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data->dev[i].status = ARP_FREE;
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for(i = 0; i < SMBUS_ADDRESS_SIZE; i++)
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data->address_pool[i] = ARP_FREE;
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@@ -365,9 +389,17 @@ int smbusarp_init_client(struct i2c_client *client)
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}
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}
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for(i = 0; i < 16; i++)
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data->dev[newdev].saddr = addr;
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data->dev[newdev].udid[i] = blk[i];
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data->dev[newdev].status = ARP_BUSY;
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data->dev[newdev].dev_cap = blk[0];
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data->dev[newdev].dev_ver = blk[1];
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data->dev[newdev].dev_vid = (blk[2] << 8) | blk[3];
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data->dev[newdev].dev_did = (blk[4] << 8) | blk[5];
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data->dev[newdev].dev_int = (blk[6] << 8) | blk[7];
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data->dev[newdev].dev_svid = (blk[8] << 8) | blk[9];
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data->dev[newdev].dev_sdid = (blk[10] << 8) | blk[11];
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data->dev[newdev].dev_vsid = (blk[12] << 24) | (blk[13] << 16) |
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(blk[14] << 8) | blk[15] ;
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blk[16] = addr << 1;
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ret = i2c_smbus_write_block_data(client, ARP_ASSIGN_ADDR,
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@@ -410,6 +442,35 @@ void smbusarp_update_client(struct i2c_client *client)
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up(&data->update_lock);
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}
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void smbusarp_contents(struct i2c_client *client, int operation,
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int ctl_name, int *nrels_mag, long *results)
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{
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int i;
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int nr = ctl_name - ARP_SYSCTL1;
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struct arp_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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if(data->dev[nr].status == ARP_BUSY) {
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results[0] = data->dev[nr].saddr;
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results[1] = data->dev[nr].dev_cap;
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results[2] = data->dev[nr].dev_ver;
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results[3] = data->dev[nr].dev_vid;
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results[4] = data->dev[nr].dev_did;
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results[5] = data->dev[nr].dev_int;
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results[6] = data->dev[nr].dev_svid;
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results[7] = data->dev[nr].dev_sdid;
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results[8] = data->dev[nr].dev_vsid;
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*nrels_mag = 9;
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} else {
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*nrels_mag = 0;
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}
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} else if (operation == SENSORS_PROC_REAL_WRITE) {
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printk(KERN_WARNING "smbus-arp.o: No writes supported!\n");
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}
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}
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int __init sensors_smbusarp_init(void)
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{
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int res;
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@@ -558,4 +558,13 @@
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#define PCF8591_SYSCTL_AOUT_ENABLE 1005 /* Analog output enable flag */
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#define PCF8591_SYSCTL_AOUT 1006 /* Analog output */
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#define ARP_SYSCTL1 1000
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#define ARP_SYSCTL2 1001
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#define ARP_SYSCTL3 1002
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#define ARP_SYSCTL4 1003
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#define ARP_SYSCTL5 1004
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#define ARP_SYSCTL6 1005
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#define ARP_SYSCTL7 1006
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#define ARP_SYSCTL8 1007
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#endif /* def SENSORS_SENSORS_H */
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