drivers/staging/gma500/mdfld_dsi_pkg_sender.h

   1 /*
   2  * Copyright © 2010 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  * Jackie Li<yaodong.li@intel.com>
  25  */
  26 #ifndef __MDFLD_DSI_PKG_SENDER_H__
  27 #define __MDFLD_DSI_PKG_SENDER_H__
  28
  29 #include <linux/kthread.h>
  30
  31 #define MDFLD_MAX_DCS_PARAM     8
  32 #define MDFLD_MAX_PKG_NUM       2048
  33
  34 enum {
  35         MDFLD_DSI_PKG_DCS,
  36         MDFLD_DSI_PKG_GEN_SHORT_WRITE_0 = 0x03,
  37         MDFLD_DSI_PKG_GEN_SHORT_WRITE_1 = 0x13,
  38         MDFLD_DSI_PKG_GEN_SHORT_WRITE_2 = 0x23,
  39         MDFLD_DSI_PKG_GEN_LONG_WRITE = 0x29,
  40         MDFLD_DSI_PKG_MCS_SHORT_WRITE_0 = 0x05,
  41         MDFLD_DSI_PKG_MCS_SHORT_WRITE_1 = 0x15,
  42         MDFLD_DSI_PKG_MCS_LONG_WRITE = 0x39,
  43 };
  44
  45 enum {
  46         MDFLD_DSI_LP_TRANSMISSION,
  47         MDFLD_DSI_HS_TRANSMISSION,
  48         MDFLD_DSI_DCS,
  49 };
  50
  51 enum {
  52         MDFLD_DSI_PANEL_MODE_SLEEP = 0x1,
  53 };
  54
  55 enum {
  56         MDFLD_DSI_PKG_SENDER_FREE = 0x0,
  57         MDFLD_DSI_PKG_SENDER_BUSY = 0x1,
  58 };
  59
  60 enum {
  61         MDFLD_DSI_SEND_PACKAGE,
  62         MDFLD_DSI_QUEUE_PACKAGE,
  63 };
  64
  65 struct mdfld_dsi_gen_short_pkg {
  66         u8 cmd;
  67         u8 param;
  68 };
  69
  70 struct mdfld_dsi_gen_long_pkg {
  71         u32 *data;
  72         u32 len;
  73 };
  74
  75 struct mdfld_dsi_dcs_pkg {
  76         u8 cmd;
  77         u8 param[MDFLD_MAX_DCS_PARAM];
  78         u32 param_num;
  79         u8 data_src;
  80 };
  81
  82 struct mdfld_dsi_pkg {
  83         u8 pkg_type;
  84         u8 transmission_type;
  85
  86         union {
  87                 struct mdfld_dsi_gen_short_pkg short_pkg;
  88                 struct mdfld_dsi_gen_long_pkg long_pkg;
  89                 struct mdfld_dsi_dcs_pkg dcs_pkg;
  90         } pkg;
  91
  92         struct list_head entry;
  93 };
  94
  95 struct mdfld_dsi_pkg_sender {
  96         struct drm_device *dev;
  97         struct mdfld_dsi_connector *dsi_connector;
  98         u32 status;
  99
 100         u32 panel_mode;
 101
 102         int pipe;
 103
 104         spinlock_t lock;
 105         struct list_head pkg_list;
 106         struct list_head free_list;
 107
 108         u32 pkg_num;
 109
 110         int dbi_pkg_support;
 111
 112         u32 dbi_cb_phy;
 113         void *dbi_cb_addr;
 114
 115         /* Registers */
 116         u32 dpll_reg;
 117         u32 dspcntr_reg;
 118         u32 pipeconf_reg;
 119         u32 pipestat_reg;
 120         u32 dsplinoff_reg;
 121         u32 dspsurf_reg;
 122
 123         u32 mipi_intr_stat_reg;
 124         u32 mipi_lp_gen_data_reg;
 125         u32 mipi_hs_gen_data_reg;
 126         u32 mipi_lp_gen_ctrl_reg;
 127         u32 mipi_hs_gen_ctrl_reg;
 128         u32 mipi_gen_fifo_stat_reg;
 129         u32 mipi_data_addr_reg;
 130         u32 mipi_data_len_reg;
 131         u32 mipi_cmd_addr_reg;
 132         u32 mipi_cmd_len_reg;
 133 };
 134
 135 extern int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
 136                         int pipe);
 137 extern void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender);
 138 extern int mdfld_dsi_send_dcs(struct mdfld_dsi_pkg_sender *sender, u8 dcs,
 139                         u8 *param, u32 param_num, u8 data_src, int delay);
 140 extern int mdfld_dsi_send_mcs_short_hs(struct mdfld_dsi_pkg_sender *sender,
 141                         u8 cmd, u8 param, u8 param_num, int delay);
 142 extern int mdfld_dsi_send_mcs_short_lp(struct mdfld_dsi_pkg_sender *sender,
 143                         u8 cmd, u8 param, u8 param_num, int delay);
 144 extern int mdfld_dsi_send_mcs_long_hs(struct mdfld_dsi_pkg_sender *sender,
 145                         u32 *data, u32 len, int delay);
 146 extern int mdfld_dsi_send_mcs_long_lp(struct mdfld_dsi_pkg_sender *sender,
 147                         u32 *data, u32 len, int delay);
 148 extern int mdfld_dsi_send_gen_short_hs(struct mdfld_dsi_pkg_sender *sender,
 149                         u8 param0, u8 param1, u8 param_num, int delay);
 150 extern int mdfld_dsi_send_gen_short_lp(struct mdfld_dsi_pkg_sender *sender,
 151                         u8 param0, u8 param1, u8 param_num, int delay);
 152 extern int mdfld_dsi_send_gen_long_hs(struct mdfld_dsi_pkg_sender *sender,
 153                         u32 *data, u32 len, int delay);
 154 extern int mdfld_dsi_send_gen_long_lp(struct mdfld_dsi_pkg_sender *sender,
 155                         u32 *data, u32 len, int delay);
 156 extern void mdfld_dsi_cmds_kick_out(struct mdfld_dsi_pkg_sender *sender);
 157
 158 #endif /* __MDFLD_DSI_PKG_SENDER_H__ */