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_READ_0 = 0x04,
  40         MDFLD_DSI_PKG_GEN_READ_1 = 0x14,
  41         MDFLD_DSI_PKG_GEN_READ_2 = 0x24,
  42         MDFLD_DSI_PKG_GEN_LONG_WRITE = 0x29,
  43         MDFLD_DSI_PKG_MCS_SHORT_WRITE_0 = 0x05,
  44         MDFLD_DSI_PKG_MCS_SHORT_WRITE_1 = 0x15,
  45         MDFLD_DSI_PKG_MCS_READ = 0x06,
  46         MDFLD_DSI_PKG_MCS_LONG_WRITE = 0x39,
  47 };
  48
  49 enum {
  50         MDFLD_DSI_LP_TRANSMISSION,
  51         MDFLD_DSI_HS_TRANSMISSION,
  52         MDFLD_DSI_DCS,
  53 };
  54
  55 enum {
  56         MDFLD_DSI_PANEL_MODE_SLEEP = 0x1,
  57 };
  58
  59 enum {
  60         MDFLD_DSI_PKG_SENDER_FREE = 0x0,
  61         MDFLD_DSI_PKG_SENDER_BUSY = 0x1,
  62 };
  63
  64 enum {
  65         MDFLD_DSI_SEND_PACKAGE,
  66         MDFLD_DSI_QUEUE_PACKAGE,
  67 };
  68
  69 struct mdfld_dsi_gen_short_pkg {
  70         u8 cmd;
  71         u8 param;
  72 };
  73
  74 struct mdfld_dsi_gen_long_pkg {
  75         u32 *data;
  76         u32 len;
  77 };
  78
  79 struct mdfld_dsi_dcs_pkg {
  80         u8 cmd;
  81         u8 param[MDFLD_MAX_DCS_PARAM];
  82         u32 param_num;
  83         u8 data_src;
  84 };
  85
  86 struct mdfld_dsi_pkg {
  87         u8 pkg_type;
  88         u8 transmission_type;
  89
  90         union {
  91                 struct mdfld_dsi_gen_short_pkg short_pkg;
  92                 struct mdfld_dsi_gen_long_pkg long_pkg;
  93                 struct mdfld_dsi_dcs_pkg dcs_pkg;
  94         } pkg;
  95
  96         struct list_head entry;
  97 };
  98
  99 struct mdfld_dsi_pkg_sender {
 100         struct drm_device *dev;
 101         struct mdfld_dsi_connector *dsi_connector;
 102         u32 status;
 103
 104         u32 panel_mode;
 105
 106         int pipe;
 107
 108         spinlock_t lock;
 109         struct list_head pkg_list;
 110         struct list_head free_list;
 111
 112         u32 pkg_num;
 113
 114         int dbi_pkg_support;
 115
 116         u32 dbi_cb_phy;
 117         void *dbi_cb_addr;
 118
 119         /* Registers */
 120         u32 dpll_reg;
 121         u32 dspcntr_reg;
 122         u32 pipeconf_reg;
 123         u32 pipestat_reg;
 124         u32 dsplinoff_reg;
 125         u32 dspsurf_reg;
 126
 127         u32 mipi_intr_stat_reg;
 128         u32 mipi_lp_gen_data_reg;
 129         u32 mipi_hs_gen_data_reg;
 130         u32 mipi_lp_gen_ctrl_reg;
 131         u32 mipi_hs_gen_ctrl_reg;
 132         u32 mipi_gen_fifo_stat_reg;
 133         u32 mipi_data_addr_reg;
 134         u32 mipi_data_len_reg;
 135         u32 mipi_cmd_addr_reg;
 136         u32 mipi_cmd_len_reg;
 137 };
 138
 139 /* DCS definitions */
 140 #define DCS_SOFT_RESET                  0x01
 141 #define DCS_ENTER_SLEEP_MODE            0x10
 142 #define DCS_EXIT_SLEEP_MODE             0x11
 143 #define DCS_SET_DISPLAY_OFF             0x28
 144 #define DCS_SET_DISPLAY_ON              0x29
 145 #define DCS_SET_COLUMN_ADDRESS          0x2a
 146 #define DCS_SET_PAGE_ADDRESS            0x2b
 147 #define DCS_WRITE_MEM_START             0x2c
 148 #define DCS_SET_TEAR_OFF                0x34
 149 #define DCS_SET_TEAR_ON                 0x35
 150
 151 extern int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
 152                         int pipe);
 153 extern void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender);
 154 extern int mdfld_dsi_send_dcs(struct mdfld_dsi_pkg_sender *sender, u8 dcs,
 155                         u8 *param, u32 param_num, u8 data_src, int delay);
 156 extern int mdfld_dsi_send_mcs_short_hs(struct mdfld_dsi_pkg_sender *sender,
 157                         u8 cmd, u8 param, u8 param_num, int delay);
 158 extern int mdfld_dsi_send_mcs_short_lp(struct mdfld_dsi_pkg_sender *sender,
 159                         u8 cmd, u8 param, u8 param_num, int delay);
 160 extern int mdfld_dsi_send_mcs_long_hs(struct mdfld_dsi_pkg_sender *sender,
 161                         u32 *data, u32 len, int delay);
 162 extern int mdfld_dsi_send_mcs_long_lp(struct mdfld_dsi_pkg_sender *sender,
 163                         u32 *data, u32 len, int delay);
 164 extern int mdfld_dsi_send_gen_short_hs(struct mdfld_dsi_pkg_sender *sender,
 165                         u8 param0, u8 param1, u8 param_num, int delay);
 166 extern int mdfld_dsi_send_gen_short_lp(struct mdfld_dsi_pkg_sender *sender,
 167                         u8 param0, u8 param1, u8 param_num, int delay);
 168 extern int mdfld_dsi_send_gen_long_hs(struct mdfld_dsi_pkg_sender *sender,
 169                         u32 *data, u32 len, int delay);
 170 extern int mdfld_dsi_send_gen_long_lp(struct mdfld_dsi_pkg_sender *sender,
 171                         u32 *data, u32 len, int delay);
 172
 173 extern int mdfld_dsi_read_gen_hs(struct mdfld_dsi_pkg_sender *sender,
 174                         u8 param0, u8 param1, u8 param_num, u32 *data, u16 len);
 175 extern int mdfld_dsi_read_gen_lp(struct mdfld_dsi_pkg_sender *sender,
 176                         u8 param0, u8 param1, u8 param_num, u32 *data, u16 len);
 177 extern int mdfld_dsi_read_mcs_hs(struct mdfld_dsi_pkg_sender *sender,
 178                         u8 cmd, u32 *data, u16 len);
 179 extern int mdfld_dsi_read_mcs_lp(struct mdfld_dsi_pkg_sender *sender,
 180                         u8 cmd, u32 *data, u16 len);
 181
 182 extern void mdfld_dsi_cmds_kick_out(struct mdfld_dsi_pkg_sender *sender);
 183
 184 #endif /* __MDFLD_DSI_PKG_SENDER_H__ */