arch/arm/mach-msm/board-trout-panel.c

   1 /* linux/arch/arm/mach-msm/board-trout-mddi.c
   2 ** Author: Brian Swetland <swetland@google.com>
   3 */
   4
   5 #include <linux/kernel.h>
   6 #include <linux/init.h>
   7 #include <linux/platform_device.h>
   8 #include <linux/delay.h>
   9 #include <linux/leds.h>
  10 #include <linux/clk.h>
  11 #include <linux/err.h>
  12
  13 #include <asm/io.h>
  14 #include <asm/gpio.h>
  15 #include <asm/mach-types.h>
  16
  17 #include <mach/msm_fb.h>
  18 #include <mach/vreg.h>
  19
  20 #include "board-trout.h"
  21 #include "proc_comm.h"
  22 #include "devices.h"
  23
  24 #define TROUT_DEFAULT_BACKLIGHT_BRIGHTNESS 255
  25
  26 #define MDDI_CLIENT_CORE_BASE  0x108000
  27 #define LCD_CONTROL_BLOCK_BASE 0x110000
  28 #define SPI_BLOCK_BASE         0x120000
  29 #define I2C_BLOCK_BASE         0x130000
  30 #define PWM_BLOCK_BASE         0x140000
  31 #define GPIO_BLOCK_BASE        0x150000
  32 #define SYSTEM_BLOCK1_BASE     0x160000
  33 #define SYSTEM_BLOCK2_BASE     0x170000
  34
  35
  36 #define DPSUS       (MDDI_CLIENT_CORE_BASE|0x24)
  37 #define SYSCLKENA   (MDDI_CLIENT_CORE_BASE|0x2C)
  38 #define PWM0OFF       (PWM_BLOCK_BASE|0x1C)
  39
  40 #define V_VDDE2E_VDD2_GPIO 0
  41 #define MDDI_RST_N 82
  42
  43 #define MDDICAP0    (MDDI_CLIENT_CORE_BASE|0x00)
  44 #define MDDICAP1    (MDDI_CLIENT_CORE_BASE|0x04)
  45 #define MDDICAP2    (MDDI_CLIENT_CORE_BASE|0x08)
  46 #define MDDICAP3    (MDDI_CLIENT_CORE_BASE|0x0C)
  47 #define MDCAPCHG    (MDDI_CLIENT_CORE_BASE|0x10)
  48 #define MDCRCERC    (MDDI_CLIENT_CORE_BASE|0x14)
  49 #define TTBUSSEL    (MDDI_CLIENT_CORE_BASE|0x18)
  50 #define DPSET0      (MDDI_CLIENT_CORE_BASE|0x1C)
  51 #define DPSET1      (MDDI_CLIENT_CORE_BASE|0x20)
  52 #define DPSUS       (MDDI_CLIENT_CORE_BASE|0x24)
  53 #define DPRUN       (MDDI_CLIENT_CORE_BASE|0x28)
  54 #define SYSCKENA    (MDDI_CLIENT_CORE_BASE|0x2C)
  55 #define TESTMODE    (MDDI_CLIENT_CORE_BASE|0x30)
  56 #define FIFOMONI    (MDDI_CLIENT_CORE_BASE|0x34)
  57 #define INTMONI     (MDDI_CLIENT_CORE_BASE|0x38)
  58 #define MDIOBIST    (MDDI_CLIENT_CORE_BASE|0x3C)
  59 #define MDIOPSET    (MDDI_CLIENT_CORE_BASE|0x40)
  60 #define BITMAP0     (MDDI_CLIENT_CORE_BASE|0x44)
  61 #define BITMAP1     (MDDI_CLIENT_CORE_BASE|0x48)
  62 #define BITMAP2     (MDDI_CLIENT_CORE_BASE|0x4C)
  63 #define BITMAP3     (MDDI_CLIENT_CORE_BASE|0x50)
  64 #define BITMAP4     (MDDI_CLIENT_CORE_BASE|0x54)
  65
  66 #define SRST        (LCD_CONTROL_BLOCK_BASE|0x00)
  67 #define PORT_ENB    (LCD_CONTROL_BLOCK_BASE|0x04)
  68 #define START       (LCD_CONTROL_BLOCK_BASE|0x08)
  69 #define PORT        (LCD_CONTROL_BLOCK_BASE|0x0C)
  70 #define CMN         (LCD_CONTROL_BLOCK_BASE|0x10)
  71 #define GAMMA       (LCD_CONTROL_BLOCK_BASE|0x14)
  72 #define INTFLG      (LCD_CONTROL_BLOCK_BASE|0x18)
  73 #define INTMSK      (LCD_CONTROL_BLOCK_BASE|0x1C)
  74 #define MPLFBUF     (LCD_CONTROL_BLOCK_BASE|0x20)
  75 #define HDE_LEFT    (LCD_CONTROL_BLOCK_BASE|0x24)
  76 #define VDE_TOP     (LCD_CONTROL_BLOCK_BASE|0x28)
  77 #define PXL         (LCD_CONTROL_BLOCK_BASE|0x30)
  78 #define HCYCLE      (LCD_CONTROL_BLOCK_BASE|0x34)
  79 #define HSW         (LCD_CONTROL_BLOCK_BASE|0x38)
  80 #define HDE_START   (LCD_CONTROL_BLOCK_BASE|0x3C)
  81 #define HDE_SIZE    (LCD_CONTROL_BLOCK_BASE|0x40)
  82 #define VCYCLE      (LCD_CONTROL_BLOCK_BASE|0x44)
  83 #define VSW         (LCD_CONTROL_BLOCK_BASE|0x48)
  84 #define VDE_START   (LCD_CONTROL_BLOCK_BASE|0x4C)
  85 #define VDE_SIZE    (LCD_CONTROL_BLOCK_BASE|0x50)
  86 #define WAKEUP      (LCD_CONTROL_BLOCK_BASE|0x54)
  87 #define WSYN_DLY    (LCD_CONTROL_BLOCK_BASE|0x58)
  88 #define REGENB      (LCD_CONTROL_BLOCK_BASE|0x5C)
  89 #define VSYNIF      (LCD_CONTROL_BLOCK_BASE|0x60)
  90 #define WRSTB       (LCD_CONTROL_BLOCK_BASE|0x64)
  91 #define RDSTB       (LCD_CONTROL_BLOCK_BASE|0x68)
  92 #define ASY_DATA    (LCD_CONTROL_BLOCK_BASE|0x6C)
  93 #define ASY_DATB    (LCD_CONTROL_BLOCK_BASE|0x70)
  94 #define ASY_DATC    (LCD_CONTROL_BLOCK_BASE|0x74)
  95 #define ASY_DATD    (LCD_CONTROL_BLOCK_BASE|0x78)
  96 #define ASY_DATE    (LCD_CONTROL_BLOCK_BASE|0x7C)
  97 #define ASY_DATF    (LCD_CONTROL_BLOCK_BASE|0x80)
  98 #define ASY_DATG    (LCD_CONTROL_BLOCK_BASE|0x84)
  99 #define ASY_DATH    (LCD_CONTROL_BLOCK_BASE|0x88)
 100 #define ASY_CMDSET  (LCD_CONTROL_BLOCK_BASE|0x8C)
 101
 102 #define SSICTL      (SPI_BLOCK_BASE|0x00)
 103 #define SSITIME     (SPI_BLOCK_BASE|0x04)
 104 #define SSITX       (SPI_BLOCK_BASE|0x08)
 105 #define SSIRX       (SPI_BLOCK_BASE|0x0C)
 106 #define SSIINTC     (SPI_BLOCK_BASE|0x10)
 107 #define SSIINTS     (SPI_BLOCK_BASE|0x14)
 108 #define SSIDBG1     (SPI_BLOCK_BASE|0x18)
 109 #define SSIDBG2     (SPI_BLOCK_BASE|0x1C)
 110 #define SSIID       (SPI_BLOCK_BASE|0x20)
 111
 112 #define WKREQ       (SYSTEM_BLOCK1_BASE|0x00)
 113 #define CLKENB      (SYSTEM_BLOCK1_BASE|0x04)
 114 #define DRAMPWR     (SYSTEM_BLOCK1_BASE|0x08)
 115 #define INTMASK     (SYSTEM_BLOCK1_BASE|0x0C)
 116 #define GPIOSEL     (SYSTEM_BLOCK2_BASE|0x00)
 117
 118 #define GPIODATA    (GPIO_BLOCK_BASE|0x00)
 119 #define GPIODIR     (GPIO_BLOCK_BASE|0x04)
 120 #define GPIOIS      (GPIO_BLOCK_BASE|0x08)
 121 #define GPIOIBE     (GPIO_BLOCK_BASE|0x0C)
 122 #define GPIOIEV     (GPIO_BLOCK_BASE|0x10)
 123 #define GPIOIE      (GPIO_BLOCK_BASE|0x14)
 124 #define GPIORIS     (GPIO_BLOCK_BASE|0x18)
 125 #define GPIOMIS     (GPIO_BLOCK_BASE|0x1C)
 126 #define GPIOIC      (GPIO_BLOCK_BASE|0x20)
 127 #define GPIOOMS     (GPIO_BLOCK_BASE|0x24)
 128 #define GPIOPC      (GPIO_BLOCK_BASE|0x28)
 129 #define GPIOID      (GPIO_BLOCK_BASE|0x30)
 130
 131 #define SPI_WRITE(reg, val) \
 132         { SSITX,        0x00010000 | (((reg) & 0xff) << 8) | ((val) & 0xff) }, \
 133         { 0, 5 },
 134
 135 #define SPI_WRITE1(reg) \
 136         { SSITX,        (reg) & 0xff }, \
 137         { 0, 5 },
 138
 139 struct mddi_table {
 140         uint32_t reg;
 141         uint32_t value;
 142 };
 143 static struct mddi_table mddi_toshiba_init_table[] = {
 144         { DPSET0,       0x09e90046 },
 145         { DPSET1,       0x00000118 },
 146         { DPSUS,        0x00000000 },
 147         { DPRUN,        0x00000001 },
 148         { 1,            14         }, /* msleep 14 */
 149         { SYSCKENA,     0x00000001 },
 150         { CLKENB,       0x0000A1EF },  /*    # SYS.CLKENB  # Enable clocks for each module (without DCLK , i2cCLK) */
 151
 152         { GPIODATA,     0x02000200 },  /*   # GPI .GPIODATA  # GPIO2(RESET_LCD_N) set to 0 , GPIO3(eDRAM_Power) set to 0 */
 153         { GPIODIR,      0x000030D  },  /* 24D   # GPI .GPIODIR  # Select direction of GPIO port (0,2,3,6,9 output) */
 154         { GPIOSEL,      0/*0x00000173*/},  /*   # SYS.GPIOSEL  # GPIO port multiplexing control */
 155         { GPIOPC,       0x03C300C0 },  /*   # GPI .GPIOPC  # GPIO2,3 PD cut */
 156         { WKREQ,        0x00000000 },  /*   # SYS.WKREQ  # Wake-up request event is VSYNC alignment */
 157
 158         { GPIOIBE,      0x000003FF },
 159         { GPIOIS,       0x00000000 },
 160         { GPIOIC,       0x000003FF },
 161         { GPIOIE,       0x00000000 },
 162
 163         { GPIODATA,     0x00040004 },  /*   # GPI .GPIODATA  # eDRAM VD supply */
 164         { 1,            1          }, /* msleep 1 */
 165         { GPIODATA,     0x02040004 },  /*   # GPI .GPIODATA  # eDRAM VD supply */
 166         { DRAMPWR,      0x00000001 }, /* eDRAM power */
 167 };
 168
 169 #define GPIOSEL_VWAKEINT (1U << 0)
 170 #define INTMASK_VWAKEOUT (1U << 0)
 171
 172
 173 static struct clk *gp_clk;
 174 static int trout_new_backlight = 1;
 175 static struct vreg *vreg_mddi_1v5;
 176 static struct vreg *vreg_lcm_2v85;
 177
 178 static void trout_process_mddi_table(struct msm_mddi_client_data *client_data,
 179                                      struct mddi_table *table, size_t count)
 180 {
 181         int i;
 182         for (i = 0; i < count; i++) {
 183                 uint32_t reg = table[i].reg;
 184                 uint32_t value = table[i].value;
 185
 186                 if (reg == 0)
 187                         udelay(value);
 188                 else if (reg == 1)
 189                         msleep(value);
 190                 else
 191                         client_data->remote_write(client_data, value, reg);
 192         }
 193 }
 194
 195 static int trout_mddi_toshiba_client_init(
 196         struct msm_mddi_bridge_platform_data *bridge_data,
 197         struct msm_mddi_client_data *client_data)
 198 {
 199         int panel_id;
 200
 201         client_data->auto_hibernate(client_data, 0);
 202         trout_process_mddi_table(client_data, mddi_toshiba_init_table,
 203                                  ARRAY_SIZE(mddi_toshiba_init_table));
 204         client_data->auto_hibernate(client_data, 1);
 205         panel_id = (client_data->remote_read(client_data, GPIODATA) >> 4) & 3;
 206         if (panel_id > 1) {
 207                 printk(KERN_WARNING "unknown panel id at mddi_enable\n");
 208                 return -1;
 209         }
 210         return 0;
 211 }
 212
 213 static int trout_mddi_toshiba_client_uninit(
 214         struct msm_mddi_bridge_platform_data *bridge_data,
 215         struct msm_mddi_client_data *client_data)
 216 {
 217         return 0;
 218 }
 219
 220 static struct resource resources_msm_fb[] = {
 221         {
 222                 .start = MSM_FB_BASE,
 223                 .end = MSM_FB_BASE + MSM_FB_SIZE,
 224                 .flags = IORESOURCE_MEM,
 225         },
 226 };
 227
 228 struct msm_mddi_bridge_platform_data toshiba_client_data = {
 229         .init = trout_mddi_toshiba_client_init,
 230         .uninit = trout_mddi_toshiba_client_uninit,
 231         .fb_data = {
 232                 .xres = 320,
 233                 .yres = 480,
 234                 .width = 45,
 235                 .height = 67,
 236                 .output_format = 0,
 237         },
 238 };
 239
 240 static struct msm_mddi_platform_data mddi_pdata = {
 241         .clk_rate = 122880000,
 242         .fb_resource = resources_msm_fb,
 243         .num_clients = 1,
 244         .client_platform_data = {
 245                 {
 246                         .product_id = (0xd263 << 16 | 0),
 247                         .name = "mddi_c_d263_0000",
 248                         .id = 0,
 249                         .client_data = &toshiba_client_data,
 250                         .clk_rate = 0,
 251                 },
 252         },
 253 };
 254
 255 int __init trout_init_panel(void)
 256 {
 257         int rc;
 258
 259         if (!machine_is_trout())
 260                 return 0;
 261         vreg_mddi_1v5 = vreg_get(0, "gp2");
 262         if (IS_ERR(vreg_mddi_1v5))
 263                 return PTR_ERR(vreg_mddi_1v5);
 264         vreg_lcm_2v85 = vreg_get(0, "gp4");
 265         if (IS_ERR(vreg_lcm_2v85))
 266                 return PTR_ERR(vreg_lcm_2v85);
 267
 268         trout_new_backlight = system_rev >= 5;
 269         if (trout_new_backlight) {
 270                 uint32_t config = PCOM_GPIO_CFG(27, 0, GPIO_OUTPUT,
 271                                                 GPIO_NO_PULL, GPIO_8MA);
 272                 msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &config, 0);
 273         } else {
 274                 uint32_t config = PCOM_GPIO_CFG(27, 1, GPIO_OUTPUT,
 275                                                 GPIO_NO_PULL, GPIO_8MA);
 276                 msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &config, 0);
 277
 278                 gp_clk = clk_get(NULL, "gp_clk");
 279                 if (IS_ERR(gp_clk)) {
 280                         printk(KERN_ERR "trout_init_panel: could not get gp"
 281                                "clock\n");
 282                         gp_clk = NULL;
 283                 }
 284                 rc = clk_set_rate(gp_clk, 19200000);
 285                 if (rc)
 286                         printk(KERN_ERR "trout_init_panel: set clock rate "
 287                                "failed\n");
 288         }
 289
 290         rc = platform_device_register(&msm_device_mdp);
 291         if (rc)
 292                 return rc;
 293         msm_device_mddi0.dev.platform_data = &mddi_pdata;
 294         return platform_device_register(&msm_device_mddi0);
 295 }
 296
 297 device_initcall(trout_init_panel);