diff options
Diffstat (limited to 'include/linux/ipa.h')
| -rw-r--r-- | include/linux/ipa.h | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/include/linux/ipa.h b/include/linux/ipa.h index 0dd2f0bf9c23..a0dd21d215d2 100644 --- a/include/linux/ipa.h +++ b/include/linux/ipa.h @@ -1056,92 +1056,6 @@ struct ipa_wdi_buffer_info { }; /** - * enum ipa_mhi_event_type - event type for mhi callback - * - * @IPA_MHI_EVENT_READY: IPA MHI is ready and IPA uC is loaded. After getting - * this event MHI client is expected to call to ipa_mhi_start() API - * @IPA_MHI_EVENT_DATA_AVAILABLE: downlink data available on MHI channel - */ -enum ipa_mhi_event_type { - IPA_MHI_EVENT_READY, - IPA_MHI_EVENT_DATA_AVAILABLE, - IPA_MHI_EVENT_MAX, -}; - -typedef void (*mhi_client_cb)(void *priv, enum ipa_mhi_event_type event, - unsigned long data); - -/** - * struct ipa_mhi_msi_info - parameters for MSI (Message Signaled Interrupts) - * @addr_low: MSI lower base physical address - * @addr_hi: MSI higher base physical address - * @data: Data Pattern to use when generating the MSI - * @mask: Mask indicating number of messages assigned by the host to device - * - * msi value is written according to this formula: - * ((data & ~mask) | (mmio.msiVec & mask)) - */ -struct ipa_mhi_msi_info { - u32 addr_low; - u32 addr_hi; - u32 data; - u32 mask; -}; - -/** - * struct ipa_mhi_init_params - parameters for IPA MHI initialization API - * - * @msi: MSI (Message Signaled Interrupts) parameters - * @mmio_addr: MHI MMIO physical address - * @first_ch_idx: First channel ID for hardware accelerated channels. - * @first_er_idx: First event ring ID for hardware accelerated channels. - * @assert_bit40: should assert bit 40 in order to access hots space. - * if PCIe iATU is configured then not need to assert bit40 - * @notify: client callback - * @priv: client private data to be provided in client callback - * @test_mode: flag to indicate if IPA MHI is in unit test mode - */ -struct ipa_mhi_init_params { - struct ipa_mhi_msi_info msi; - u32 mmio_addr; - u32 first_ch_idx; - u32 first_er_idx; - bool assert_bit40; - mhi_client_cb notify; - void *priv; - bool test_mode; -}; - -/** - * struct ipa_mhi_start_params - parameters for IPA MHI start API - * - * @host_ctrl_addr: Base address of MHI control data structures - * @host_data_addr: Base address of MHI data buffers - * @channel_context_addr: channel context array address in host address space - * @event_context_addr: event context array address in host address space - */ -struct ipa_mhi_start_params { - u32 host_ctrl_addr; - u32 host_data_addr; - u64 channel_context_array_addr; - u64 event_context_array_addr; -}; - -/** - * struct ipa_mhi_connect_params - parameters for IPA MHI channel connect API - * - * @sys: IPA EP configuration info - * @channel_id: MHI channel id - */ -struct ipa_mhi_connect_params { - struct ipa_sys_connect_params sys; - u8 channel_id; -}; - -/* bit #40 in address should be asserted for MHI transfers over pcie */ -#define IPA_MHI_HOST_ADDR(addr) ((addr) | BIT_ULL(40)) - -/** * struct ipa_gsi_ep_config - IPA GSI endpoint configurations * * @ipa_ep_num: IPA EP pipe number @@ -1436,23 +1350,6 @@ int ipa_dma_uc_memcpy(phys_addr_t dest, phys_addr_t src, int len); void ipa_dma_destroy(void); /* - * MHI - */ -int ipa_mhi_init(struct ipa_mhi_init_params *params); - -int ipa_mhi_start(struct ipa_mhi_start_params *params); - -int ipa_mhi_connect_pipe(struct ipa_mhi_connect_params *in, u32 *clnt_hdl); - -int ipa_mhi_disconnect_pipe(u32 clnt_hdl); - -int ipa_mhi_suspend(bool force); - -int ipa_mhi_resume(void); - -void ipa_mhi_destroy(void); - -/* * mux id */ int ipa_write_qmap_id(struct ipa_ioc_write_qmapid *param_in); @@ -2112,45 +2009,6 @@ static inline void ipa_dma_destroy(void) } /* - * MHI - */ -static inline int ipa_mhi_init(struct ipa_mhi_init_params *params) -{ - return -EPERM; -} - -static inline int ipa_mhi_start(struct ipa_mhi_start_params *params) -{ - return -EPERM; -} - -static inline int ipa_mhi_connect_pipe(struct ipa_mhi_connect_params *in, - u32 *clnt_hdl) -{ - return -EPERM; -} - -static inline int ipa_mhi_disconnect_pipe(u32 clnt_hdl) -{ - return -EPERM; -} - -static inline int ipa_mhi_suspend(bool force) -{ - return -EPERM; -} - -static inline int ipa_mhi_resume(void) -{ - return -EPERM; -} - -static inline void ipa_mhi_destroy(void) -{ - return; -} - -/* * mux id */ static inline int ipa_write_qmap_id(struct ipa_ioc_write_qmapid *param_in) |