drivers/staging/msm/staging-devices.c

   1 #include <linux/kernel.h>
   2 #include <linux/irq.h>
   3 #include <linux/gpio.h>
   4 #include <linux/platform_device.h>
   5 #include <linux/bootmem.h>
   6 #include <linux/delay.h>
   7
   8 #include <asm/mach-types.h>
   9 #include <asm/mach/arch.h>
  10 #include <asm/io.h>
  11 #include <asm/setup.h>
  12
  13 #include <mach/board.h>
  14 #include <mach/irqs.h>
  15 #include <mach/sirc.h>
  16 #include <mach/gpio.h>
  17
  18 #include "msm_mdp.h"
  19 #include "memory_ll.h"
  20 //#include "android_pmem.h"
  21
  22 #ifdef CONFIG_MSM_SOC_REV_A
  23 #define MSM_SMI_BASE 0xE0000000
  24 #else
  25 #define MSM_SMI_BASE 0x00000000
  26 #endif
  27
  28
  29 #define TOUCHPAD_SUSPEND        34
  30 #define TOUCHPAD_IRQ            38
  31
  32 #define MSM_PMEM_MDP_SIZE       0x1591000
  33
  34 #ifdef CONFIG_MSM_SOC_REV_A
  35 #define SMEM_SPINLOCK_I2C       "D:I2C02000021"
  36 #else
  37 #define SMEM_SPINLOCK_I2C       "S:6"
  38 #endif
  39
  40 #define MSM_PMEM_ADSP_SIZE      0x1C00000
  41
  42 #define MSM_FB_SIZE             0x500000
  43 #define MSM_FB_SIZE_ST15        0x800000
  44 #define MSM_AUDIO_SIZE          0x80000
  45 #define MSM_GPU_PHYS_SIZE       SZ_2M
  46
  47 #ifdef CONFIG_MSM_SOC_REV_A
  48 #define MSM_SMI_BASE            0xE0000000
  49 #else
  50 #define MSM_SMI_BASE            0x00000000
  51 #endif
  52
  53 #define MSM_SHARED_RAM_PHYS     (MSM_SMI_BASE + 0x00100000)
  54
  55 #define MSM_PMEM_SMI_BASE       (MSM_SMI_BASE + 0x02B00000)
  56 #define MSM_PMEM_SMI_SIZE       0x01500000
  57
  58 #define MSM_FB_BASE             MSM_PMEM_SMI_BASE
  59 #define MSM_GPU_PHYS_BASE       (MSM_FB_BASE + MSM_FB_SIZE)
  60 #define MSM_PMEM_SMIPOOL_BASE   (MSM_GPU_PHYS_BASE + MSM_GPU_PHYS_SIZE)
  61 #define MSM_PMEM_SMIPOOL_SIZE   (MSM_PMEM_SMI_SIZE - MSM_FB_SIZE \
  62                                         - MSM_GPU_PHYS_SIZE)
  63
  64 #if defined(CONFIG_FB_MSM_MDP40)
  65 #define MDP_BASE          0xA3F00000
  66 #define PMDH_BASE         0xAD600000
  67 #define EMDH_BASE         0xAD700000
  68 #define TVENC_BASE        0xAD400000
  69 #else
  70 #define MDP_BASE          0xAA200000
  71 #define PMDH_BASE         0xAA600000
  72 #define EMDH_BASE         0xAA700000
  73 #define TVENC_BASE        0xAA400000
  74 #endif
  75
  76 #define PMEM_KERNEL_EBI1_SIZE   (CONFIG_PMEM_KERNEL_SIZE * 1024 * 1024)
  77
  78 static struct resource msm_fb_resources[] = {
  79         {
  80                 .flags  = IORESOURCE_DMA,
  81         }
  82 };
  83
  84 static struct resource msm_mdp_resources[] = {
  85         {
  86                 .name   = "mdp",
  87                 .start  = MDP_BASE,
  88                 .end    = MDP_BASE + 0x000F0000 - 1,
  89                 .flags  = IORESOURCE_MEM,
  90         }
  91 };
  92
  93 static struct platform_device msm_mdp_device = {
  94         .name   = "mdp",
  95         .id     = 0,
  96         .num_resources  = ARRAY_SIZE(msm_mdp_resources),
  97         .resource       = msm_mdp_resources,
  98 };
  99
 100 static struct platform_device msm_lcdc_device = {
 101         .name   = "lcdc",
 102         .id     = 0,
 103 };
 104
 105 static int msm_fb_detect_panel(const char *name)
 106 {
 107         int ret = -EPERM;
 108
 109         if (machine_is_qsd8x50_ffa() || machine_is_qsd8x50a_ffa()) {
 110                 if (!strncmp(name, "mddi_toshiba_wvga_pt", 20))
 111                         ret = 0;
 112                 else
 113                         ret = -ENODEV;
 114         } else if ((machine_is_qsd8x50_surf() || machine_is_qsd8x50a_surf())
 115                         && !strcmp(name, "lcdc_external"))
 116                 ret = 0;
 117         else if (machine_is_qsd8x50a_st1_5()) {
 118                 if (!strcmp(name, "lcdc_st15") ||
 119                     !strcmp(name, "hdmi_sii9022"))
 120                         ret = 0;
 121                 else
 122                         ret = -ENODEV;
 123         }
 124
 125         return ret;
 126 }
 127
 128 /* Only allow a small subset of machines to set the offset via
 129    FB PAN_DISPLAY */
 130
 131 static int msm_fb_allow_set_offset(void)
 132 {
 133         return (machine_is_qsd8x50_st1() ||
 134                 machine_is_qsd8x50a_st1_5()) ? 1 : 0;
 135 }
 136
 137
 138 static struct msm_fb_platform_data msm_fb_pdata = {
 139         .detect_client = msm_fb_detect_panel,
 140         .allow_set_offset = msm_fb_allow_set_offset,
 141 };
 142
 143 static struct platform_device msm_fb_device = {
 144         .name   = "msm_fb",
 145         .id     = 0,
 146         .num_resources  = ARRAY_SIZE(msm_fb_resources),
 147         .resource       = msm_fb_resources,
 148         .dev    = {
 149                 .platform_data = &msm_fb_pdata,
 150         }
 151 };
 152
 153 static void __init qsd8x50_allocate_memory_regions(void)
 154 {
 155         void *addr;
 156         unsigned long size;
 157         if (machine_is_qsd8x50a_st1_5())
 158                 size = MSM_FB_SIZE_ST15;
 159         else
 160                 size = MSM_FB_SIZE;
 161
 162         addr = alloc_bootmem(size); // (void *)MSM_FB_BASE;
 163         if (!addr)
 164                 printk("Failed to allocate bootmem for framebuffer\n");
 165
 166
 167         msm_fb_resources[0].start = __pa(addr);
 168         msm_fb_resources[0].end = msm_fb_resources[0].start + size - 1;
 169         pr_info(KERN_ERR "using %lu bytes of SMI at %lx physical for fb\n",
 170                 size, (unsigned long)addr);
 171 }
 172
 173 static int msm_fb_lcdc_gpio_config(int on)
 174 {
 175 //      return 0;
 176         if (machine_is_qsd8x50_st1()) {
 177                 if (on) {
 178                         gpio_set_value(32, 1);
 179                         mdelay(100);
 180                         gpio_set_value(20, 1);
 181                         gpio_set_value(17, 1);
 182                         gpio_set_value(19, 1);
 183                 } else {
 184                         gpio_set_value(17, 0);
 185                         gpio_set_value(19, 0);
 186                         gpio_set_value(20, 0);
 187                         mdelay(100);
 188                         gpio_set_value(32, 0);
 189                 }
 190         } else if (machine_is_qsd8x50a_st1_5()) {
 191                 if (on) {
 192                         gpio_set_value(17, 1);
 193                         gpio_set_value(19, 1);
 194                         gpio_set_value(20, 1);
 195                         gpio_set_value(22, 0);
 196                         gpio_set_value(32, 1);
 197                         gpio_set_value(155, 1);
 198                         //st15_hdmi_power(1);
 199                         gpio_set_value(22, 1);
 200
 201                 } else {
 202                         gpio_set_value(17, 0);
 203                         gpio_set_value(19, 0);
 204                         gpio_set_value(22, 0);
 205                         gpio_set_value(32, 0);
 206                         gpio_set_value(155, 0);
 207                 //      st15_hdmi_power(0);
 208                 }
 209         }
 210         return 0;
 211 }
 212
 213
 214 static struct lcdc_platform_data lcdc_pdata = {
 215         .lcdc_gpio_config = msm_fb_lcdc_gpio_config,
 216 };
 217
 218 static struct msm_gpio msm_fb_st15_gpio_config_data[] = {
 219         { GPIO_CFG(17, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "lcdc_en0" },
 220         { GPIO_CFG(19, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "dat_pwr_sv" },
 221         { GPIO_CFG(20, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "lvds_pwr_dn" },
 222         { GPIO_CFG(22, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "lcdc_en1" },
 223         { GPIO_CFG(32, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "lcdc_en2" },
 224         { GPIO_CFG(103, 0, GPIO_INPUT, GPIO_NO_PULL, GPIO_2MA), "hdmi_irq" },
 225         { GPIO_CFG(155, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "hdmi_3v3" },
 226 };
 227
 228 static struct msm_panel_common_pdata mdp_pdata = {
 229         .gpio = 98,
 230 };
 231
 232 static struct platform_device *devices[] __initdata = {
 233         &msm_fb_device,
 234 };
 235
 236
 237 static void __init msm_register_device(struct platform_device *pdev, void *data)
 238 {
 239         int ret;
 240
 241         pdev->dev.platform_data = data;
 242
 243         ret = platform_device_register(pdev);
 244         if (ret)
 245                 dev_err(&pdev->dev,
 246                           "%s: platform_device_register() failed = %d\n",
 247                           __func__, ret);
 248 }
 249
 250 void __init msm_fb_register_device(char *name, void *data)
 251 {
 252         if (!strncmp(name, "mdp", 3))
 253                 msm_register_device(&msm_mdp_device, data);
 254 /*
 255         else if (!strncmp(name, "pmdh", 4))
 256                 msm_register_device(&msm_mddi_device, data);
 257         else if (!strncmp(name, "emdh", 4))
 258                 msm_register_device(&msm_mddi_ext_device, data);
 259         else if (!strncmp(name, "ebi2", 4))
 260                 msm_register_device(&msm_ebi2_lcd_device, data);
 261         else if (!strncmp(name, "tvenc", 5))
 262                 msm_register_device(&msm_tvenc_device, data);
 263         else */
 264
 265         if (!strncmp(name, "lcdc", 4))
 266                 msm_register_device(&msm_lcdc_device, data);
 267         /*else
 268                 printk(KERN_ERR "%s: unknown device! %s\n", __func__, name);
 269 */
 270 }
 271
 272 static void __init msm_fb_add_devices(void)
 273 {
 274         int rc;
 275         msm_fb_register_device("mdp", &mdp_pdata);
 276 //      msm_fb_register_device("pmdh", &mddi_pdata);
 277 //      msm_fb_register_device("emdh", &mddi_pdata);
 278 //      msm_fb_register_device("tvenc", 0);
 279
 280         if (machine_is_qsd8x50a_st1_5()) {
 281 /*              rc = st15_hdmi_vreg_init();
 282                 if (rc)
 283                         return;
 284 */
 285                 rc = msm_gpios_request_enable(
 286                         msm_fb_st15_gpio_config_data,
 287                         ARRAY_SIZE(msm_fb_st15_gpio_config_data));
 288                 if (rc) {
 289                         printk(KERN_ERR "%s: unable to init lcdc gpios\n",
 290                                __func__);
 291                         return;
 292                 }
 293                 msm_fb_register_device("lcdc", &lcdc_pdata);
 294         } else
 295                 msm_fb_register_device("lcdc", 0);
 296 }
 297
 298 int __init staging_init_pmem(void)
 299 {
 300         qsd8x50_allocate_memory_regions();
 301         return 0;
 302 }
 303
 304 int __init staging_init_devices(void)
 305 {
 306         platform_add_devices(devices, ARRAY_SIZE(devices));
 307         msm_fb_add_devices();
 308         return 0;
 309 }
 310
 311 arch_initcall(staging_init_pmem);
 312 arch_initcall(staging_init_devices);