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author | Joey Castillo <jose.castillo@gmail.com> | 2021-08-28 12:50:18 -0400 |
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committer | Joey Castillo <jose.castillo@gmail.com> | 2021-08-28 12:50:18 -0400 |
commit | 39a5c822a2a2e798e2e39ff8a98b7af84253026c (patch) | |
tree | fa157c98d3aea0d4f996e4415aa2a7ad1093ac05 /tinyusb/src/portable/ohci/ohci.h | |
parent | c9e00b83bbdcb05058806d915ec4fff3cf4e596f (diff) | |
download | Sensor-Watch-39a5c822a2a2e798e2e39ff8a98b7af84253026c.tar.gz Sensor-Watch-39a5c822a2a2e798e2e39ff8a98b7af84253026c.tar.bz2 Sensor-Watch-39a5c822a2a2e798e2e39ff8a98b7af84253026c.zip |
add tinyusb
Diffstat (limited to 'tinyusb/src/portable/ohci/ohci.h')
-rwxr-xr-x | tinyusb/src/portable/ohci/ohci.h | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/tinyusb/src/portable/ohci/ohci.h b/tinyusb/src/portable/ohci/ohci.h new file mode 100755 index 00000000..cd90aa45 --- /dev/null +++ b/tinyusb/src/portable/ohci/ohci.h @@ -0,0 +1,275 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 Ha Thach (tinyusb.org) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * This file is part of the TinyUSB stack. + */ + +#ifndef _TUSB_OHCI_H_ +#define _TUSB_OHCI_H_ + +#ifdef __cplusplus + extern "C" { +#endif + +//--------------------------------------------------------------------+ +// OHCI CONFIGURATION & CONSTANTS +//--------------------------------------------------------------------+ +#define HOST_HCD_XFER_INTERRUPT // TODO interrupt is used widely, should always be enalbed +#define OHCI_PERIODIC_LIST (defined HOST_HCD_XFER_INTERRUPT || defined HOST_HCD_XFER_ISOCHRONOUS) + +// TODO merge OHCI with EHCI +enum { + OHCI_MAX_ITD = 4 +}; + +//--------------------------------------------------------------------+ +// OHCI Data Structure +//--------------------------------------------------------------------+ +typedef struct { + uint32_t interrupt_table[32]; + volatile uint16_t frame_number; + volatile uint16_t frame_pad; + volatile uint32_t done_head; + uint8_t reserved[116+4]; // TODO try to make use of this area if possible, extra 4 byte to make the whole struct size = 256 +}ohci_hcca_t; // TU_ATTR_ALIGNED(256) + +TU_VERIFY_STATIC( sizeof(ohci_hcca_t) == 256, "size is not correct" ); + +typedef struct { + uint32_t reserved[2]; + volatile uint32_t next; + uint32_t reserved2; +}ohci_td_item_t; + +typedef struct TU_ATTR_ALIGNED(16) +{ + // Word 0 + uint32_t used : 1; + uint32_t index : 4; // endpoint index the td belongs to, or device address in case of control xfer + uint32_t expected_bytes : 13; // TODO available for hcd + + uint32_t buffer_rounding : 1; + uint32_t pid : 2; + uint32_t delay_interrupt : 3; + volatile uint32_t data_toggle : 2; + volatile uint32_t error_count : 2; + volatile uint32_t condition_code : 4; + + // Word 1 + volatile uint8_t* current_buffer_pointer; + + // Word 2 : next TD + volatile uint32_t next; + + // Word 3 + uint8_t* buffer_end; +} ohci_gtd_t; + +TU_VERIFY_STATIC( sizeof(ohci_gtd_t) == 16, "size is not correct" ); + +typedef struct TU_ATTR_ALIGNED(16) +{ + // Word 0 + uint32_t dev_addr : 7; + uint32_t ep_number : 4; + uint32_t pid : 2; + uint32_t speed : 1; + uint32_t skip : 1; + uint32_t is_iso : 1; + uint32_t max_packet_size : 11; + // HCD: make use of 5 reserved bits + uint32_t used : 1; + uint32_t is_interrupt_xfer : 1; + uint32_t is_stalled : 1; + uint32_t : 2; + + // Word 1 + uint32_t td_tail; + + // Word 2 + volatile union { + uint32_t address; + struct { + uint32_t halted : 1; + uint32_t toggle : 1; + uint32_t : 30; + }; + }td_head; + + // Word 3: next ED + uint32_t next; +} ohci_ed_t; + +TU_VERIFY_STATIC( sizeof(ohci_ed_t) == 16, "size is not correct" ); + +typedef struct TU_ATTR_ALIGNED(32) +{ + /*---------- Word 1 ----------*/ + uint32_t starting_frame : 16; + uint32_t : 5; // can be used + uint32_t delay_interrupt : 3; + uint32_t frame_count : 3; + uint32_t : 1; // can be used + volatile uint32_t condition_code : 4; + + /*---------- Word 2 ----------*/ + uint32_t buffer_page0; // 12 lsb bits can be used + + /*---------- Word 3 ----------*/ + volatile uint32_t next; + + /*---------- Word 4 ----------*/ + uint32_t buffer_end; + + /*---------- Word 5-8 ----------*/ + volatile uint16_t offset_packetstatus[8]; +} ochi_itd_t; + +TU_VERIFY_STATIC( sizeof(ochi_itd_t) == 32, "size is not correct" ); + +// structure with member alignment required from large to small +typedef struct TU_ATTR_ALIGNED(256) +{ + ohci_hcca_t hcca; + + ohci_ed_t bulk_head_ed; // static bulk head (dummy) + ohci_ed_t period_head_ed; // static periodic list head (dummy) + + // control endpoints has reserved resources + struct { + ohci_ed_t ed; + ohci_gtd_t gtd; + }control[CFG_TUH_DEVICE_MAX+1]; + + // ochi_itd_t itd[OHCI_MAX_ITD]; // itd requires alignment of 32 + ohci_ed_t ed_pool[HCD_MAX_ENDPOINT]; + ohci_gtd_t gtd_pool[HCD_MAX_XFER]; + + volatile uint16_t frame_number_hi; + +} ohci_data_t; + +//--------------------------------------------------------------------+ +// OHCI Operational Register +//--------------------------------------------------------------------+ + + +//--------------------------------------------------------------------+ +// OHCI Data Organization +//--------------------------------------------------------------------+ +typedef volatile struct +{ + uint32_t revision; + + union { + uint32_t control; + struct { + uint32_t control_bulk_service_ratio : 2; + uint32_t periodic_list_enable : 1; + uint32_t isochronous_enable : 1; + uint32_t control_list_enable : 1; + uint32_t bulk_list_enable : 1; + uint32_t hc_functional_state : 2; + uint32_t interrupt_routing : 1; + uint32_t remote_wakeup_connected : 1; + uint32_t remote_wakeup_enale : 1; + uint32_t TU_RESERVED : 21; + }control_bit; + }; + + union { + uint32_t command_status; + struct { + uint32_t controller_reset : 1; + uint32_t control_list_filled : 1; + uint32_t bulk_list_filled : 1; + uint32_t ownership_change_request : 1; + uint32_t : 12; + uint32_t scheduling_overrun_count : 2; + }command_status_bit; + }; + + uint32_t interrupt_status; + uint32_t interrupt_enable; + uint32_t interrupt_disable; + + uint32_t hcca; + uint32_t period_current_ed; + uint32_t control_head_ed; + uint32_t control_current_ed; + uint32_t bulk_head_ed; + uint32_t bulk_current_ed; + uint32_t done_head; + + uint32_t frame_interval; + uint32_t frame_remaining; + uint32_t frame_number; + uint32_t periodic_start; + uint32_t lowspeed_threshold; + + uint32_t rh_descriptorA; + uint32_t rh_descriptorB; + + union { + uint32_t rh_status; + struct { + uint32_t local_power_status : 1; // read Local Power Status; write: Clear Global Power + uint32_t over_current_indicator : 1; + uint32_t : 13; + uint32_t device_remote_wakeup_enable : 1; + uint32_t local_power_status_change : 1; + uint32_t over_current_indicator_change : 1; + uint32_t : 13; + uint32_t clear_remote_wakeup_enable : 1; + }rh_status_bit; + }; + + union { + uint32_t rhport_status[2]; // TODO NXP OHCI controller only has 2 ports + struct { + uint32_t current_connect_status : 1; + uint32_t port_enable_status : 1; + uint32_t port_suspend_status : 1; + uint32_t port_over_current_indicator : 1; + uint32_t port_reset_status : 1; + uint32_t : 3; + uint32_t port_power_status : 1; + uint32_t low_speed_device_attached : 1; + uint32_t : 6; + uint32_t connect_status_change : 1; + uint32_t port_enable_status_change : 1; + uint32_t port_suspend_status_change : 1; + uint32_t port_over_current_indicator_change : 1; + uint32_t port_reset_status_change : 1; + uint32_t TU_RESERVED : 11; + }rhport_status_bit[2]; + }; +}ohci_registers_t; + +TU_VERIFY_STATIC( sizeof(ohci_registers_t) == 0x5c, "size is not correct"); + +#ifdef __cplusplus + } +#endif + +#endif /* _TUSB_OHCI_H_ */ |