diff options
Diffstat (limited to 'drivers/staging/msm/mddihost.c')
| -rw-r--r-- | drivers/staging/msm/mddihost.c | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/drivers/staging/msm/mddihost.c b/drivers/staging/msm/mddihost.c deleted file mode 100644 index 58a86d5d995f..000000000000 --- a/drivers/staging/msm/mddihost.c +++ /dev/null @@ -1,377 +0,0 @@ -/* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/mm.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/device.h> -#include <linux/dma-mapping.h> - -#include "msm_fb.h" -#include "mddihost.h" -#include "mddihosti.h" - -#include <linux/clk.h> -#include <mach/clk.h> - -struct semaphore mddi_host_mutex; - -struct clk *mddi_io_clk; -static boolean mddi_host_powered = FALSE; -static boolean mddi_host_initialized = FALSE; -extern uint32 *mddi_reg_read_value_ptr; - -mddi_lcd_func_type mddi_lcd; - -extern mddi_client_capability_type mddi_client_capability_pkt; - -#ifdef FEATURE_MDDI_HITACHI -extern void mddi_hitachi_window_adjust(uint16 x1, - uint16 x2, uint16 y1, uint16 y2); -#endif - -extern void mddi_toshiba_lcd_init(void); - -#ifdef FEATURE_MDDI_S6D0142 -extern void mddi_s6d0142_lcd_init(void); -extern void mddi_s6d0142_window_adjust(uint16 x1, - uint16 x2, - uint16 y1, - uint16 y2, - mddi_llist_done_cb_type done_cb); -#endif - -void mddi_init(void) -{ - if (mddi_host_initialized) - return; - - mddi_host_initialized = TRUE; - - sema_init(&mddi_host_mutex, 1); - - if (!mddi_host_powered) { - down(&mddi_host_mutex); - mddi_host_init(MDDI_HOST_PRIM); - mddi_host_powered = TRUE; - up(&mddi_host_mutex); - mdelay(10); - } -} - -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__); - } - - 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 = 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 */ - -boolean mddi_host_register_read_int - (uint32 reg_addr, uint32 *reg_value_ptr, mddi_host_type host) { - mddi_linked_list_type *curr_llist_ptr; - mddi_register_access_packet_type *regacc_pkt_ptr; - uint16 curr_llist_idx; - - if (!in_interrupt()) - MDDI_MSG_CRIT("Called from TASK context\n"); - - if (!mddi_host_powered) { - MDDI_MSG_ERR("MDDI powered down!\n"); - return FALSE; - } - - if (down_trylock(&mddi_host_mutex) != 0) - return FALSE; - - mddi_reg_read_value_ptr = reg_value_ptr; - curr_llist_idx = mddi_get_reg_read_llist_item(host, FALSE); - if (curr_llist_idx == UNASSIGNED_INDEX) { - up(&mddi_host_mutex); - return FALSE; - } - - 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, FALSE, - NULL, host); - /* need to check if we can write the pointer or not */ - - up(&mddi_host_mutex); - - return TRUE; - -} /* mddi_host_register_read */ - -boolean mddi_host_register_write_int - (uint32 reg_addr, - uint32 reg_val, 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 TASK context\n"); - - if (!mddi_host_powered) { - MDDI_MSG_ERR("MDDI powered down!\n"); - return FALSE; - } - - if (down_trylock(&mddi_host_mutex) != 0) - return FALSE; - - curr_llist_idx = mddi_get_next_free_llist_item(host, FALSE); - if (curr_llist_idx == UNASSIGNED_INDEX) { - up(&mddi_host_mutex); - return FALSE; - } - - 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 + 4; - 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; - - regacc_pkt_ptr = &curr_llist_dma_ptr->packet_header.register_pkt; - curr_llist_ptr->packet_data_pointer = - (void *)(&(regacc_pkt_ptr->register_data_list)); - - /* now adjust pointers */ - mddi_queue_forward_packets(curr_llist_idx, curr_llist_idx, FALSE, - done_cb, host); - up(&mddi_host_mutex); - - return TRUE; - -} /* mddi_host_register_write */ - -void mddi_wait(uint16 time_ms) -{ - mdelay(time_ms); -} - -void mddi_client_lcd_vsync_detected(boolean detected) -{ - if (mddi_lcd.vsync_detected) - (*mddi_lcd.vsync_detected) (detected); -} - -/* extended version of function includes done callback */ -void mddi_window_adjust_ext(struct msm_fb_data_type *mfd, - uint16 x1, - uint16 x2, - uint16 y1, - uint16 y2, mddi_llist_done_cb_type done_cb) -{ -#ifdef FEATURE_MDDI_HITACHI - if (mfd->panel.id == HITACHI) - mddi_hitachi_window_adjust(x1, x2, y1, y2); -#elif defined(FEATURE_MDDI_S6D0142) - if (mfd->panel.id == MDDI_LCD_S6D0142) - mddi_s6d0142_window_adjust(x1, x2, y1, y2, done_cb); -#else - /* Do nothing then... except avoid lint/compiler warnings */ - (void)x1; - (void)x2; - (void)y1; - (void)y2; - (void)done_cb; -#endif -} - -void mddi_window_adjust(struct msm_fb_data_type *mfd, - uint16 x1, uint16 x2, uint16 y1, uint16 y2) -{ - mddi_window_adjust_ext(mfd, x1, x2, y1, y2, NULL); -} |