1 #include "at_wini.h" 2 3 /* State management variables. */ 4 EXTERN int w_command; 5 6 /* State management helpers. */ 7 #define IS_REQUEST_PENDING(c) ((c) != CMD_IDLE) 8 #define IS_READ_PENDING(c) ((c) == CMD_READ \ 9 || (c) == CMD_READ_EXT || (c) == CMD_READ_DMA || (c) == CMD_READ_DMA_EXT) 10 #define IS_WRITE_PENDING(c) ((c) == CMD_WRITE \ 11 || (c) == CMD_WRITE_EXT || (c) == CMD_WRITE_DMA || (c) == CMD_WRITE_DMA_EXT) 12 13 /* Custom states definition. */ 14 #define AT_STATE_READ_REQUEST_FREE (SEF_LU_STATE_CUSTOM_BASE + 0) 15 #define AT_STATE_WRITE_REQUEST_FREE (SEF_LU_STATE_CUSTOM_BASE + 1) 16 #define AT_STATE_IS_CUSTOM(s) \ 17 ((s) >= AT_STATE_READ_REQUEST_FREE && (s) <= AT_STATE_WRITE_REQUEST_FREE) 18 19 /*===========================================================================* 20 * sef_cb_lu_prepare * 21 *===========================================================================*/ 22 int sef_cb_lu_prepare(int state) 23 { 24 int is_ready; 25 26 /* Check if we are ready for the target state. */ 27 is_ready = FALSE; 28 switch(state) { 29 /* Standard states. */ 30 case SEF_LU_STATE_REQUEST_FREE: 31 case SEF_LU_STATE_PROTOCOL_FREE: 32 is_ready = (!IS_REQUEST_PENDING(w_command)); 33 break; 34 35 /* Custom states. */ 36 case AT_STATE_READ_REQUEST_FREE: 37 is_ready = (!IS_READ_PENDING(w_command)); 38 break; 39 40 case AT_STATE_WRITE_REQUEST_FREE: 41 is_ready = (!IS_WRITE_PENDING(w_command)); 42 break; 43 } 44 45 /* Tell SEF if we are ready. */ 46 return is_ready ? OK : ENOTREADY; 47 } 48 49 /*===========================================================================* 50 * sef_cb_lu_state_isvalid * 51 *===========================================================================*/ 52 int sef_cb_lu_state_isvalid(int state, int UNUSED(flags)) 53 { 54 return SEF_LU_STATE_IS_STANDARD(state) || AT_STATE_IS_CUSTOM(state); 55 } 56 57 /*===========================================================================* 58 * sef_cb_lu_state_dump * 59 *===========================================================================*/ 60 void sef_cb_lu_state_dump(int state) 61 { 62 sef_lu_dprint("at_wini: live update state = %d\n", state); 63 sef_lu_dprint("at_wini: w_command = 0x%02X\n", w_command); 64 65 sef_lu_dprint("at_wini: SEF_LU_STATE_WORK_FREE(%d) reached = %d\n", 66 SEF_LU_STATE_WORK_FREE, TRUE); 67 sef_lu_dprint("at_wini: SEF_LU_STATE_REQUEST_FREE(%d) reached = %d\n", 68 SEF_LU_STATE_REQUEST_FREE, (!IS_REQUEST_PENDING(w_command))); 69 sef_lu_dprint("at_wini: SEF_LU_STATE_PROTOCOL_FREE(%d) reached = %d\n", 70 SEF_LU_STATE_PROTOCOL_FREE, (!IS_REQUEST_PENDING(w_command))); 71 sef_lu_dprint("at_wini: AT_STATE_READ_REQUEST_FREE(%d) reached = %d\n", 72 AT_STATE_READ_REQUEST_FREE, (!IS_READ_PENDING(w_command))); 73 sef_lu_dprint("at_wini: AT_STATE_WRITE_REQUEST_FREE(%d) reached = %d\n", 74 AT_STATE_WRITE_REQUEST_FREE, (!IS_WRITE_PENDING(w_command))); 75 } 76 77