hw/tpm/tpm_tis_i2c.c

2  * tpm_tis_i2c.c - QEMU's TPM TIS I2C Device
15  * TPM TIS for TPM 2 implementation following TCG PC Client Platform
51     uint32_t    tis_addr;     /* Converted tis address including locty */
67     uint16_t  tis_reg;    /* TIS register */
77      * These registers are sent to TIS layer. The register with UNKNOWN
78      * mapping are not sent to TIS layer and handled in I2c layer.
114     .name = "tpm-tis-i2c",
151  * Generate interface capability based on what is returned by TIS and what is
152  * expected by I2C. Save the capability in the data array overwriting the TIS
168     /* Now check the TIS and set some capabilities */  in tpm_tis_i2c_interface_capability()
178 /* Convert I2C register to TIS address and returns the name of the register */
230              * Checksum is not handled by TIS code hence we will consume the  in tpm_tis_i2c_tpm_send()
240              * This register is not handled by TIS so save the locality  in tpm_tis_i2c_tpm_send()
369             /* FIFO data is directly read from TPM TIS */  in tpm_tis_i2c_recv()
440  * TPM TIS common code during FINISH event.
448         /* Convert I2C register to TIS register */  in tpm_tis_i2c_send()
472          * 2) In case of non-FIFO multibyte registers, TIS expects full  in tpm_tis_i2c_send()
474          *    to TIS during FINISH event.  in tpm_tis_i2c_send()
481              * The TIS can process FIFO data one byte at a time hence the FIFO  in tpm_tis_i2c_send()
482              * data is sent to TIS directly.  in tpm_tis_i2c_send()