int mddi_host_register_multiwrite(uint32 reg_addr, uint32 *value_list_ptr, uint32 value_count, boolean wait, mddi_llist_done_cb_type done_cb, mddi_host_type host) { mddi_linked_list_type *curr_llist_ptr; mddi_linked_list_type *curr_llist_dma_ptr; mddi_register_access_packet_type *regacc_pkt_ptr; uint16 curr_llist_idx; int ret = 0; if (!value_list_ptr || !value_count || value_count > MDDI_HOST_MAX_CLIENT_REG_IN_SAME_ADDR) { MDDI_MSG_ERR("\n Invalid value_list or value_count"); return -EINVAL; } if (in_interrupt()) MDDI_MSG_CRIT("Called from ISR context\n"); if (!mddi_host_powered) { MDDI_MSG_ERR("MDDI powered down!\n"); mddi_init(); } down(&mddi_host_mutex); curr_llist_idx = mddi_get_next_free_llist_item(host, TRUE); curr_llist_ptr = &llist_extern[host][curr_llist_idx]; curr_llist_dma_ptr = &llist_dma_extern[host][curr_llist_idx]; curr_llist_ptr->link_controller_flags = 1; curr_llist_ptr->packet_header_count = 14; curr_llist_ptr->packet_data_count = (uint16)(value_count * 4); curr_llist_ptr->next_packet_pointer = NULL; curr_llist_ptr->reserved = 0; regacc_pkt_ptr = &curr_llist_ptr->packet_header.register_pkt; regacc_pkt_ptr->packet_length = curr_llist_ptr->packet_header_count + curr_llist_ptr->packet_data_count; regacc_pkt_ptr->packet_type = 146; /* register access packet */ regacc_pkt_ptr->bClient_ID = 0; regacc_pkt_ptr->read_write_info = value_count; regacc_pkt_ptr->register_address = reg_addr; memcpy((void *)®acc_pkt_ptr->register_data_list[0], value_list_ptr, curr_llist_ptr->packet_data_count); regacc_pkt_ptr = &curr_llist_dma_ptr->packet_header.register_pkt; curr_llist_ptr->packet_data_pointer = (void *)(®acc_pkt_ptr->register_data_list[0]); MDDI_MSG_DEBUG("MultiReg Access write reg=0x%x, value[0]=0x%x\n", regacc_pkt_ptr->register_address, regacc_pkt_ptr->register_data_list[0]); /* now adjust pointers */ mddi_queue_forward_packets(curr_llist_idx, curr_llist_idx, wait, done_cb, host); up(&mddi_host_mutex); if (wait) { int wait_ret; mddi_linked_list_notify_type *llist_notify_ptr; llist_notify_ptr = &llist_extern_notify[host][curr_llist_idx]; wait_ret = wait_for_completion_timeout( &(llist_notify_ptr->done_comp), 5 * HZ); if (wait_ret <= 0) ret = -EBUSY; if (wait_ret < 0) printk(KERN_ERR "%s: failed to wait for completion!\n", __func__); else if (!wait_ret) printk(KERN_ERR "%s: Timed out waiting!\n", __func__); } return ret; }
int mddi_host_register_read(uint32 reg_addr, uint32 *reg_value_ptr, boolean wait, mddi_host_type host) { mddi_linked_list_type *curr_llist_ptr; mddi_register_access_packet_type *regacc_pkt_ptr; uint16 curr_llist_idx; int ret = 0; if (in_interrupt()) MDDI_MSG_CRIT("Called from ISR context\n"); if (!mddi_host_powered) { MDDI_MSG_ERR("MDDI powered down!\n"); mddi_init(); } down(&mddi_host_mutex); mddi_reg_read_value_ptr = reg_value_ptr; curr_llist_idx = mddi_get_reg_read_llist_item(host, TRUE); if (curr_llist_idx == UNASSIGNED_INDEX) { up(&mddi_host_mutex); /* need to change this to some sort of wait */ MDDI_MSG_ERR("Attempting to queue up more than 1 reg read\n"); return -EINVAL; } curr_llist_ptr = &llist_extern[host][curr_llist_idx]; curr_llist_ptr->link_controller_flags = 0x11; curr_llist_ptr->packet_header_count = 14; curr_llist_ptr->packet_data_count = 0; curr_llist_ptr->next_packet_pointer = NULL; curr_llist_ptr->packet_data_pointer = NULL; curr_llist_ptr->reserved = 0; regacc_pkt_ptr = &curr_llist_ptr->packet_header.register_pkt; regacc_pkt_ptr->packet_length = curr_llist_ptr->packet_header_count; regacc_pkt_ptr->packet_type = 146; /* register access packet */ regacc_pkt_ptr->bClient_ID = 0; regacc_pkt_ptr->read_write_info = 0x8001; regacc_pkt_ptr->register_address = reg_addr; /* now adjust pointers */ mddi_queue_forward_packets(curr_llist_idx, curr_llist_idx, wait, NULL, host); /* need to check if we can write the pointer or not */ up(&mddi_host_mutex); if (wait) { int wait_ret; mddi_linked_list_notify_type *llist_notify_ptr; llist_notify_ptr = &llist_extern_notify[host][curr_llist_idx]; wait_ret = wait_for_completion_timeout( &(llist_notify_ptr->done_comp), 5 * HZ); if (wait_ret <= 0) ret = -EBUSY; if (wait_ret < 0) printk(KERN_ERR "%s: failed to wait for completion!\n", __func__); else if (!wait_ret) printk(KERN_ERR "%s: Timed out waiting!\n", __func__); if (!ret && (mddi_reg_read_value_ptr == reg_value_ptr) && (*reg_value_ptr == -EBUSY)) { printk(KERN_ERR "%s - failed to get data from client", __func__); mddi_reg_read_value_ptr = NULL; ret = -EBUSY; } } MDDI_MSG_DEBUG("Reg Read value=0x%x\n", *reg_value_ptr); return ret; } /* mddi_host_register_read */
int mddi_host_register_write(uint32 reg_addr, uint32 reg_val, enum mddi_data_packet_size_type packet_size, boolean wait, mddi_llist_done_cb_type done_cb, mddi_host_type host) { mddi_linked_list_type *curr_llist_ptr; mddi_linked_list_type *curr_llist_dma_ptr; mddi_register_access_packet_type *regacc_pkt_ptr; uint16 curr_llist_idx; int ret = 0; if (in_interrupt()) MDDI_MSG_CRIT("Called from ISR context\n"); if (!mddi_host_powered) { MDDI_MSG_ERR("MDDI powered down!\n"); mddi_init(); } down(&mddi_host_mutex); curr_llist_idx = mddi_get_next_free_llist_item(host, TRUE); curr_llist_ptr = &llist_extern[host][curr_llist_idx]; curr_llist_dma_ptr = &llist_dma_extern[host][curr_llist_idx]; curr_llist_ptr->link_controller_flags = 1; curr_llist_ptr->packet_header_count = 14; curr_llist_ptr->packet_data_count = 4; curr_llist_ptr->next_packet_pointer = NULL; curr_llist_ptr->reserved = 0; regacc_pkt_ptr = &curr_llist_ptr->packet_header.register_pkt; regacc_pkt_ptr->packet_length = curr_llist_ptr->packet_header_count + (uint16)packet_size; regacc_pkt_ptr->packet_type = 146; /* register access packet */ regacc_pkt_ptr->bClient_ID = 0; regacc_pkt_ptr->read_write_info = 0x0001; regacc_pkt_ptr->register_address = reg_addr; regacc_pkt_ptr->register_data_list[0] = reg_val; MDDI_MSG_DEBUG("Reg Access write reg=0x%x, value=0x%x\n", regacc_pkt_ptr->register_address, regacc_pkt_ptr->register_data_list[0]); regacc_pkt_ptr = &curr_llist_dma_ptr->packet_header.register_pkt; curr_llist_ptr->packet_data_pointer = (void *)(®acc_pkt_ptr->register_data_list[0]); /* now adjust pointers */ mddi_queue_forward_packets(curr_llist_idx, curr_llist_idx, wait, done_cb, host); up(&mddi_host_mutex); if (wait) { int wait_ret; mddi_linked_list_notify_type *llist_notify_ptr; llist_notify_ptr = &llist_extern_notify[host][curr_llist_idx]; wait_ret = wait_for_completion_timeout( &(llist_notify_ptr->done_comp), 5 * HZ); if (wait_ret <= 0) ret = -EBUSY; if (wait_ret < 0) printk(KERN_ERR "%s: failed to wait for completion!\n", __func__); else if (!wait_ret) printk(KERN_ERR "%s: Timed out waiting!\n", __func__); } return ret; } /* mddi_host_register_write */
void mddi_host_register_write16( uint32 reg_addr, uint32 reg_val0, uint32 reg_val1, uint32 reg_val2, uint32 reg_val3, uint32 reg_nbrs, boolean wait, mddi_llist_done_cb_type done_cb, mddi_host_type host) { mddi_linked_list_type *curr_llist_ptr; mddi_linked_list_type *curr_llist_dma_ptr; mddi_register_access_packet_type *regacc_pkt_ptr; uint16 curr_llist_idx; if (in_interrupt()) MDDI_MSG_CRIT("Called from ISR context\n"); if (!mddi_host_powered) { MDDI_MSG_ERR("MDDI powered down!\n"); mddi_init(); } down(&mddi_host_mutex); curr_llist_idx = mddi_get_next_free_llist_item(host, TRUE); curr_llist_ptr = &llist_extern[host][curr_llist_idx]; curr_llist_dma_ptr = &llist_dma_extern[host][curr_llist_idx]; curr_llist_ptr->link_controller_flags = 1; curr_llist_ptr->packet_header_count = 14; curr_llist_ptr->packet_data_count = reg_nbrs*4; curr_llist_ptr->next_packet_pointer = NULL; curr_llist_ptr->reserved = 0; regacc_pkt_ptr = &curr_llist_ptr->packet_header.register_pkt; regacc_pkt_ptr->packet_length = curr_llist_ptr->packet_header_count + curr_llist_ptr->packet_data_count; regacc_pkt_ptr->packet_type = 146; /* register access packet */ regacc_pkt_ptr->bClient_ID = 0; regacc_pkt_ptr->read_write_info = reg_nbrs; regacc_pkt_ptr->register_address = reg_addr; regacc_pkt_ptr->register_data_list[0] = reg_val0; regacc_pkt_ptr->register_data_list_ext[0] = reg_val1; regacc_pkt_ptr->register_data_list_ext[1] = reg_val2; regacc_pkt_ptr->register_data_list_ext[2] = reg_val3; MDDI_MSG_DEBUG("Reg Access write reg=0x%x, value=0x%x\n", regacc_pkt_ptr->register_address, regacc_pkt_ptr->register_data_list[0]); regacc_pkt_ptr = &curr_llist_dma_ptr->packet_header.register_pkt; curr_llist_ptr->packet_data_pointer = (void *)(®acc_pkt_ptr->register_data_list); /* now adjust pointers */ mddi_queue_forward_packets(curr_llist_idx, curr_llist_idx, wait, done_cb, host); up(&mddi_host_mutex); if (wait) { mddi_linked_list_notify_type *llist_notify_ptr; llist_notify_ptr = &llist_extern_notify[host][curr_llist_idx]; wait_for_completion_interruptible(&(llist_notify_ptr->done_comp)); } }
void mddi_host_register_write_xl( uint32 reg_addr, uint32 *reg_val_ext, /* array of register data */ uint32 reg_nbrs, boolean wait, mddi_llist_done_cb_type done_cb, mddi_host_type host) { mddi_linked_list_type *curr_llist_ptr; mddi_linked_list_type *curr_llist_dma_ptr; mddi_register_access_packet_xl_type *regacc_pkt_ptr; uint16 curr_llist_idx; uint16 idx_values = 0; if (in_interrupt()) + MDDI_MSG_CRIT("Called from ISR context\n"); if (!mddi_host_powered) { MDDI_MSG_ERR("MDDI powered down!\n"); mddi_init(); } down(&mddi_host_mutex); curr_llist_idx = mddi_get_next_free_llist_item(host, TRUE); curr_llist_ptr = &llist_extern[host][curr_llist_idx]; curr_llist_dma_ptr = &llist_dma_extern[host][curr_llist_idx]; curr_llist_ptr->link_controller_flags = 1; curr_llist_ptr->packet_header_count = 14; curr_llist_ptr->packet_data_count = reg_nbrs*4; curr_llist_ptr->next_packet_pointer = NULL; curr_llist_ptr->reserved = 0; regacc_pkt_ptr = &curr_llist_ptr->packet_header.register_xl_pkt; regacc_pkt_ptr->packet_length = curr_llist_ptr->packet_header_count + curr_llist_ptr->packet_data_count; regacc_pkt_ptr->packet_type = 146; /* register access packet */ regacc_pkt_ptr->bClient_ID = 0; regacc_pkt_ptr->read_write_info = reg_nbrs; regacc_pkt_ptr->register_address = reg_addr; regacc_pkt_ptr->register_data_list = reg_val_ext[0]; /* Handle multiple parameter writes to a single register */ if ((reg_nbrs > 1) && (reg_nbrs <= MDDI_ACCESS_PKT_REG_DATA_EXT)) { for (idx_values = 1; idx_values < reg_nbrs; idx_values++) { regacc_pkt_ptr->register_data_list_ext[idx_values - 1] = reg_val_ext[idx_values]; } } MDDI_MSG_DEBUG("Reg Access write reg=0x%x, value=0x%x\n", regacc_pkt_ptr->register_address, regacc_pkt_ptr->register_data_list); regacc_pkt_ptr = &curr_llist_dma_ptr->packet_header.register_xl_pkt; curr_llist_ptr->packet_data_pointer = (void *)(®acc_pkt_ptr->register_data_list); /* now adjust pointers */ mddi_queue_forward_packets(curr_llist_idx, curr_llist_idx, wait, done_cb, host); up(&mddi_host_mutex); if (wait) { mddi_linked_list_notify_type *llist_notify_ptr; llist_notify_ptr = &llist_extern_notify[host][curr_llist_idx]; wait_for_completion_interruptible(&(llist_notify_ptr->done_comp)); } }
void mddi_host_register_cmds_write32(unsigned reg_addr, unsigned count, unsigned int reg_val[], boolean wait, mddi_llist_done_cb_type done_cb, mddi_host_type host) { mddi_linked_list_type *curr_llist_ptr; mddi_linked_list_type *curr_llist_dma_ptr; mddi_register_access_packet_type *regacc_pkt_ptr; unsigned curr_llist_idx; unsigned *data_list; unsigned i; MDDI_MSG_DEBUG("%s: started.\n", __func__); if (in_interrupt()) { MDDI_MSG_CRIT("Called from ISR context\n"); } if (!mddi_host_powered) { MDDI_MSG_ERR("MDDI powered down!\n"); mddi_init(); } down(&mddi_host_mutex); curr_llist_idx = mddi_get_next_free_llist_item(host, TRUE); curr_llist_ptr = &llist_extern[host][curr_llist_idx]; curr_llist_dma_ptr = &llist_dma_extern[host][curr_llist_idx]; curr_llist_ptr->link_controller_flags = 1; curr_llist_ptr->packet_header_count = 14; curr_llist_ptr->packet_data_count = count << 2; curr_llist_ptr->next_packet_pointer = NULL; curr_llist_ptr->reserved = 0; regacc_pkt_ptr = &curr_llist_ptr->packet_header.register_pkt; regacc_pkt_ptr->packet_length = curr_llist_ptr->packet_header_count + (count << 2); regacc_pkt_ptr->packet_type = 146; /* register access packet */ regacc_pkt_ptr->bClient_ID = 0; regacc_pkt_ptr->read_write_info = count; regacc_pkt_ptr->register_address = reg_addr; data_list = (unsigned *)®acc_pkt_ptr->register_data_list; for (i = 0; i < count; i++) { data_list[i] = reg_val[i]; } MDDI_MSG_DEBUG("Reg Access write reg=0x%x, value=0x%x\n", (unsigned int)regacc_pkt_ptr->register_address, (unsigned int)regacc_pkt_ptr->register_data_list); regacc_pkt_ptr = &curr_llist_dma_ptr->packet_header.register_pkt; curr_llist_ptr->packet_data_pointer = (void *)(®acc_pkt_ptr->register_data_list); /* now adjust pointers */ mddi_queue_forward_packets(curr_llist_idx, curr_llist_idx, wait, done_cb, host); up(&mddi_host_mutex); if (wait) { mddi_linked_list_notify_type *llist_notify_ptr; llist_notify_ptr = &llist_extern_notify[host][curr_llist_idx]; wait_for_completion_interruptible(& (llist_notify_ptr-> done_comp)); } } /* mddi_host_register_cmds_write32 */
void mddi_host_register_cmds_write8(unsigned reg_addr, unsigned count, unsigned char reg_val[], boolean wait, mddi_llist_done_cb_type done_cb, mddi_host_type host) { mddi_linked_list_type *curr_llist_ptr; mddi_linked_list_type *curr_llist_dma_ptr; mddi_register_access_packet_type *regacc_pkt_ptr; unsigned curr_llist_idx; unsigned *data_list; unsigned data32, count32; unsigned i; if (in_interrupt()) { MDDI_MSG_CRIT("Called from ISR context\n"); } if (!mddi_host_powered) { MDDI_MSG_ERR("MDDI powered down!\n"); mddi_init(); } count32 = (count + 3) / 4; down(&mddi_host_mutex); curr_llist_idx = mddi_get_next_free_llist_item(host, TRUE); curr_llist_ptr = &llist_extern[host][curr_llist_idx]; curr_llist_dma_ptr = &llist_dma_extern[host][curr_llist_idx]; curr_llist_ptr->link_controller_flags = 1; curr_llist_ptr->packet_header_count = 14; curr_llist_ptr->packet_data_count = count32 * 4; curr_llist_ptr->next_packet_pointer = NULL; curr_llist_ptr->reserved = 0; regacc_pkt_ptr = &curr_llist_ptr->packet_header.register_pkt; regacc_pkt_ptr->packet_length = curr_llist_ptr->packet_header_count + (count32 * 4); regacc_pkt_ptr->packet_type = 146; /* register access packet */ regacc_pkt_ptr->bClient_ID = 0; regacc_pkt_ptr->read_write_info = count32; regacc_pkt_ptr->register_address = reg_addr; data_list = (unsigned *)®acc_pkt_ptr->register_data_list; for(i = 0; i < count32; i++) { data32 = *((unsigned*)(reg_val + (i * 4))); *(data_list + i) = data32; MDDI_MSG_DEBUG("Mddi command packet data: 0x%x\n", data32); } regacc_pkt_ptr = &curr_llist_dma_ptr->packet_header.register_pkt; curr_llist_ptr->packet_data_pointer = (void *)(®acc_pkt_ptr->register_data_list); /* now adjust pointers */ mddi_queue_forward_packets(curr_llist_idx, curr_llist_idx, wait, done_cb, host); up(&mddi_host_mutex); if (wait) { mddi_linked_list_notify_type *llist_notify_ptr; llist_notify_ptr = &llist_extern_notify[host][curr_llist_idx]; wait_for_completion_interruptible(& (llist_notify_ptr-> done_comp)); } } /* mddi_host_register_cmds_write8 */