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IB/ipath: EEPROM support for 7220 devices, robustness improvements, cleanup

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Add support for reading newer card's EEPROMs while continuing to support
older EEPROMs.

Also, add support for the temperature sensor if present.

Signed-off-by: Michael Albaugh <Michael.Albaugh@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Michael Albaugh
2008-04-16 21:09:27 -07:00
committed by Roland Dreier
parent d98b193776
commit d84e0b28d3
3 changed files with 439 additions and 67 deletions
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7
drivers/infiniband/hw/ipath/ipath_kernel.h
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@@ -654,8 +654,9 @@ struct ipath_devdata {
* Register bits for selecting i2c direction and values, used for
* I2C serial flash.
*/
u16 ipath_gpio_sda_num;
u16 ipath_gpio_scl_num;
u8 ipath_gpio_sda_num;
u8 ipath_gpio_scl_num;
u8 ipath_i2c_chain_type;
u64 ipath_gpio_sda;
u64 ipath_gpio_scl;
@@ -906,6 +907,8 @@ void ipath_release_user_pages(struct page **, size_t);
void ipath_release_user_pages_on_close(struct page **, size_t);
int ipath_eeprom_read(struct ipath_devdata *, u8, void *, int);
int ipath_eeprom_write(struct ipath_devdata *, u8, const void *, int);
int ipath_tempsense_read(struct ipath_devdata *, u8 regnum);
int ipath_tempsense_write(struct ipath_devdata *, u8 regnum, u8 data);
/* these are used for the registers that vary with port */
void ipath_write_kreg_port(const struct ipath_devdata *, ipath_kreg,