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Make Trustonic TEE driver module compatible with kernel 5.4.

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The paths and interfaces for qcom scm call on kernel 4.x and kernel 5.x are
different, considering that different platform use different kernels, so
workaround here for compatibility.

Change-Id: I1a52e58be740799587a8ec924a5fd76d8f69a018
Signed-off-by: linyx10 <linyx10@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1885962
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Jefferson Rodrigo Capovilla <jeffecap@motorola.com>
Reviewed-by: Binsheng Que <quebs2@motorola.com>
Reviewed-by: Zhenxin Xi <xizx@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
linyx10 2021-02-24 22:51:32 +08:00 committed by linyx10
parent c866fdef4f
commit 0014e0a8e3
1 changed files with 20 additions and 0 deletions
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20
drivers/gud/MobiCoreDriver/platform.h
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@ -27,11 +27,20 @@
#define USE_SHM_BRIDGE
#endif
#if KERNEL_VERSION(5, 4, 0) <= LINUX_VERSION_CODE
#include <linux/qcom_scm.h>
#include <soc/qcom/qseecomi.h>
#if defined USE_SHM_BRIDGE
#include <linux/qtee_shmbridge.h>
#endif
#elif KERNEL_VERSION(4, 14, 0) <= LINUX_VERSION_CODE
#include <soc/qcom/scm.h>
#include <soc/qcom/qseecomi.h>
#if defined USE_SHM_BRIDGE
#include <soc/qcom/qtee_shmbridge.h>
#endif
#endif
/*--------------- Implementation -------------- */
/* MobiCore Interrupt for Qualcomm (DT IRQ has priority if present) */
#define MC_INTR_SSIQ 280
@ -39,6 +48,7 @@
/* Use SMC for fastcalls */
#define MC_SMC_FASTCALL
#if LINUX_VERSION_CODE <= KERNEL_VERSION(5, 4, 0)
#define SCM_MOBIOS_FNID(s, c) (((((s) & 0xFF) << 8) | ((c) & 0xFF)) \
| 0x33000000)
@ -48,11 +58,20 @@
TZ_SYSCALL_PARAM_TYPE_VAL, \
TZ_SYSCALL_PARAM_TYPE_BUF_RW, \
TZ_SYSCALL_PARAM_TYPE_VAL)
#endif
/* from following file */
#define SCM_SVC_MOBICORE 250
#define SCM_CMD_MOBICORE 1
#if KERNEL_VERSION(5, 4, 0) <= LINUX_VERSION_CODE
extern int trustonic_smc_fastcall(void *fc_generic, size_t size);
static inline int smc_fastcall(void *fc_generic, size_t size)
{
return trustonic_smc_fastcall(fc_generic, size);
}
#elif KERNEL_VERSION(4, 14, 0) <= LINUX_VERSION_CODE
static inline int smc_fastcall(void *fc_generic, size_t size)
{
#if !defined(USE_SHM_BRIDGE)
@ -102,6 +121,7 @@ static inline int smc_fastcall(void *fc_generic, size_t size)
fc_generic, size);
#endif
}
#endif
/*
* Do not start the TEE at driver init