--- /dev/null
+/* 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;
+
+ init_MUTEX(&mddi_host_mutex);
+
+ 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);
+}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff