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);
curr_llist_ptr->packet_data_pointer =
(void *)(®acc_pkt_ptr->register_data_list[0]);
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]);
/* 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_multiread(uint32 reg_addr,
uint32 *value_list_ptr, uint32 value_count,
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 (!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);
mddi_reg_read_value_ptr = value_list_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 = 0x8000 | value_count;
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 == value_list_ptr) &&
(*value_list_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", *value_list_ptr);
return ret;
}
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 = 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);
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) {
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 */
int 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;
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 = 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; //4;
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) {
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;
}
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;
int ret = 0;
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 = ®acc_pkt_ptr->register_data_list[0];
for (i = 0; i < count; i++) {
data_list[i] = reg_val[i];
}
// MDDI_MSG_DEBUG("Reg Access write reg=%d, value=%d\n", regacc_pkt_ptr->register_address, 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) {
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__);
}
} /* 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 = ®acc_pkt_ptr->register_data_list;
data_list = (void *)(&(regacc_pkt_ptr->register_data_list[0]));
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);
(void *)(&(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) {
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 */
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));
}
}
