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move gtd extra out of control struct to save sram

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also rename gtd_data to gtd_extra
This commit is contained in:
hathach 2024-01-11 17:35:05 +07:00
parent 3349e40276
commit e68c6658c9
2 changed files with 14 additions and 17 deletions
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13
src/portable/ohci/ohci.c
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@ -612,12 +612,11 @@ static inline ohci_ed_t* gtd_get_ed(ohci_gtd_t const * const p_qtd)
} }
static gtd_extra_data_t *gtd_get_extra_data(ohci_gtd_t const * const gtd) { static gtd_extra_data_t *gtd_get_extra_data(ohci_gtd_t const * const gtd) {
if ( gtd_is_control(gtd) ) if ( gtd_is_control(gtd) ) {
{ uint8_t idx = ((uintptr_t)gtd - (uintptr_t)&ohci_data.control->gtd) / sizeof(ohci_data.control[0]);
return &ohci_data.control[((intptr_t)gtd - (intptr_t)&ohci_data.control->gtd) / sizeof(ohci_data.control[0])].gtd_data; return &ohci_data.gtd_extra_control[idx];
}else }else {
{ return &ohci_data.gtd_extra[gtd - ohci_data.gtd_pool];
return &ohci_data.gtd_data[gtd - ohci_data.gtd_pool];
} }
} }
@ -661,7 +660,7 @@ static void done_queue_isr(uint8_t hostid)
// --> HC will not process Control list (due to service ratio when Bulk list not empty) // --> HC will not process Control list (due to service ratio when Bulk list not empty)
// To walk-around this, the halted ED will have TailP = HeadP (empty list condition), when clearing halt // To walk-around this, the halted ED will have TailP = HeadP (empty list condition), when clearing halt
// the TailP must be set back to NULL for processing remaining TDs // the TailP must be set back to NULL for processing remaining TDs
if ((event != XFER_RESULT_SUCCESS)) if (event != XFER_RESULT_SUCCESS)
{ {
ed->td_tail &= 0x0Ful; ed->td_tail &= 0x0Ful;
ed->td_tail |= tu_align16(ed->td_head.address); // mark halted EP as empty queue ed->td_tail |= tu_align16(ed->td_head.address); // mark halted EP as empty queue

16
src/portable/ohci/ohci.h
View File

@ -154,15 +154,12 @@ typedef struct TU_ATTR_ALIGNED(32)
TU_VERIFY_STATIC( sizeof(ochi_itd_t) == 32, "size is not correct" ); TU_VERIFY_STATIC( sizeof(ochi_itd_t) == 32, "size is not correct" );
typedef struct typedef struct {
{ uint16_t expected_bytes; // up to 8192 bytes so max is 13 bits
uint16_t expected_bytes : 13; // can be up to 8192 bytes long so use 13 bits
uint16_t : 3; // can be used
} gtd_extra_data_t; } gtd_extra_data_t;
// structure with member alignment required from large to small // structure with member alignment required from large to small
typedef struct TU_ATTR_ALIGNED(256) typedef struct TU_ATTR_ALIGNED(256) {
{
ohci_hcca_t hcca; ohci_hcca_t hcca;
ohci_ed_t bulk_head_ed; // static bulk head (dummy) ohci_ed_t bulk_head_ed; // static bulk head (dummy)
@ -172,16 +169,17 @@ typedef struct TU_ATTR_ALIGNED(256)
struct { struct {
ohci_ed_t ed; ohci_ed_t ed;
ohci_gtd_t gtd; ohci_gtd_t gtd;
gtd_extra_data_t gtd_data;
} control[CFG_TUH_DEVICE_MAX + CFG_TUH_HUB + 1]; } control[CFG_TUH_DEVICE_MAX + CFG_TUH_HUB + 1];
// ochi_itd_t itd[OHCI_MAX_ITD]; // itd requires alignment of 32 // ochi_itd_t itd[OHCI_MAX_ITD]; // itd requires alignment of 32
ohci_ed_t ed_pool[ED_MAX]; ohci_ed_t ed_pool[ED_MAX];
ohci_gtd_t gtd_pool[GTD_MAX]; ohci_gtd_t gtd_pool[GTD_MAX];
gtd_extra_data_t gtd_data[GTD_MAX]; // extra data needed by TDs that can't fit in the TD struct
// extra data needed by TDs that can't fit in the TD struct
gtd_extra_data_t gtd_extra_control[CFG_TUH_DEVICE_MAX + CFG_TUH_HUB + 1];
gtd_extra_data_t gtd_extra[GTD_MAX];
volatile uint16_t frame_number_hi; volatile uint16_t frame_number_hi;
} ohci_data_t; } ohci_data_t;
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+