313 lines
7.2 KiB
C
313 lines
7.2 KiB
C
#include <linux/kernel.h>
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#include <linux/irq.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <linux/bootmem.h>
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#include <linux/delay.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/io.h>
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#include <asm/setup.h>
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#include <mach/board.h>
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#include <mach/irqs.h>
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#include <mach/sirc.h>
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#include <mach/gpio.h>
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#include "msm_mdp.h"
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#include "memory_ll.h"
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//#include "android_pmem.h"
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#ifdef CONFIG_MSM_SOC_REV_A
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#define MSM_SMI_BASE 0xE0000000
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#else
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#define MSM_SMI_BASE 0x00000000
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#endif
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#define TOUCHPAD_SUSPEND 34
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#define TOUCHPAD_IRQ 38
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#define MSM_PMEM_MDP_SIZE 0x1591000
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#ifdef CONFIG_MSM_SOC_REV_A
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#define SMEM_SPINLOCK_I2C "D:I2C02000021"
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#else
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#define SMEM_SPINLOCK_I2C "S:6"
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#endif
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#define MSM_PMEM_ADSP_SIZE 0x1C00000
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#define MSM_FB_SIZE 0x500000
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#define MSM_FB_SIZE_ST15 0x800000
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#define MSM_AUDIO_SIZE 0x80000
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#define MSM_GPU_PHYS_SIZE SZ_2M
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#ifdef CONFIG_MSM_SOC_REV_A
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#define MSM_SMI_BASE 0xE0000000
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#else
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#define MSM_SMI_BASE 0x00000000
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#endif
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#define MSM_SHARED_RAM_PHYS (MSM_SMI_BASE + 0x00100000)
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#define MSM_PMEM_SMI_BASE (MSM_SMI_BASE + 0x02B00000)
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#define MSM_PMEM_SMI_SIZE 0x01500000
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#define MSM_FB_BASE MSM_PMEM_SMI_BASE
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#define MSM_GPU_PHYS_BASE (MSM_FB_BASE + MSM_FB_SIZE)
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#define MSM_PMEM_SMIPOOL_BASE (MSM_GPU_PHYS_BASE + MSM_GPU_PHYS_SIZE)
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#define MSM_PMEM_SMIPOOL_SIZE (MSM_PMEM_SMI_SIZE - MSM_FB_SIZE \
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- MSM_GPU_PHYS_SIZE)
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#if defined(CONFIG_FB_MSM_MDP40)
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#define MDP_BASE 0xA3F00000
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#define PMDH_BASE 0xAD600000
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#define EMDH_BASE 0xAD700000
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#define TVENC_BASE 0xAD400000
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#else
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#define MDP_BASE 0xAA200000
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#define PMDH_BASE 0xAA600000
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#define EMDH_BASE 0xAA700000
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#define TVENC_BASE 0xAA400000
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#endif
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#define PMEM_KERNEL_EBI1_SIZE (CONFIG_PMEM_KERNEL_SIZE * 1024 * 1024)
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static struct resource msm_fb_resources[] = {
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{
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.flags = IORESOURCE_DMA,
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}
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};
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static struct resource msm_mdp_resources[] = {
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{
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.name = "mdp",
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.start = MDP_BASE,
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.end = MDP_BASE + 0x000F0000 - 1,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device msm_mdp_device = {
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.name = "mdp",
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.id = 0,
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.num_resources = ARRAY_SIZE(msm_mdp_resources),
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.resource = msm_mdp_resources,
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};
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static struct platform_device msm_lcdc_device = {
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.name = "lcdc",
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.id = 0,
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};
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static int msm_fb_detect_panel(const char *name)
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{
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int ret = -EPERM;
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if (machine_is_qsd8x50_ffa() || machine_is_qsd8x50a_ffa()) {
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if (!strncmp(name, "mddi_toshiba_wvga_pt", 20))
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ret = 0;
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else
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ret = -ENODEV;
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} else if ((machine_is_qsd8x50_surf() || machine_is_qsd8x50a_surf())
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&& !strcmp(name, "lcdc_external"))
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ret = 0;
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else if (machine_is_qsd8x50a_st1_5()) {
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if (!strcmp(name, "lcdc_st15") ||
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!strcmp(name, "hdmi_sii9022"))
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ret = 0;
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else
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ret = -ENODEV;
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}
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return ret;
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}
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/* Only allow a small subset of machines to set the offset via
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FB PAN_DISPLAY */
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static int msm_fb_allow_set_offset(void)
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{
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return (machine_is_qsd8x50_st1() ||
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machine_is_qsd8x50a_st1_5()) ? 1 : 0;
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}
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static struct msm_fb_platform_data msm_fb_pdata = {
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.detect_client = msm_fb_detect_panel,
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.allow_set_offset = msm_fb_allow_set_offset,
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};
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static struct platform_device msm_fb_device = {
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.name = "msm_fb",
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.id = 0,
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.num_resources = ARRAY_SIZE(msm_fb_resources),
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.resource = msm_fb_resources,
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.dev = {
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.platform_data = &msm_fb_pdata,
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}
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};
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static void __init qsd8x50_allocate_memory_regions(void)
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{
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void *addr;
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unsigned long size;
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if (machine_is_qsd8x50a_st1_5())
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size = MSM_FB_SIZE_ST15;
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else
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size = MSM_FB_SIZE;
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addr = alloc_bootmem(size); // (void *)MSM_FB_BASE;
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if (!addr)
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printk("Failed to allocate bootmem for framebuffer\n");
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msm_fb_resources[0].start = __pa(addr);
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msm_fb_resources[0].end = msm_fb_resources[0].start + size - 1;
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pr_info("using %lu bytes of SMI at %lx physical for fb\n",
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size, (unsigned long)addr);
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}
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static int msm_fb_lcdc_gpio_config(int on)
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{
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// return 0;
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if (machine_is_qsd8x50_st1()) {
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if (on) {
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gpio_set_value(32, 1);
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mdelay(100);
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gpio_set_value(20, 1);
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gpio_set_value(17, 1);
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gpio_set_value(19, 1);
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} else {
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gpio_set_value(17, 0);
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gpio_set_value(19, 0);
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gpio_set_value(20, 0);
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mdelay(100);
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gpio_set_value(32, 0);
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}
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} else if (machine_is_qsd8x50a_st1_5()) {
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if (on) {
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gpio_set_value(17, 1);
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gpio_set_value(19, 1);
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gpio_set_value(20, 1);
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gpio_set_value(22, 0);
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gpio_set_value(32, 1);
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gpio_set_value(155, 1);
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//st15_hdmi_power(1);
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gpio_set_value(22, 1);
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} else {
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gpio_set_value(17, 0);
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gpio_set_value(19, 0);
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gpio_set_value(22, 0);
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gpio_set_value(32, 0);
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gpio_set_value(155, 0);
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// st15_hdmi_power(0);
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}
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}
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return 0;
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}
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static struct lcdc_platform_data lcdc_pdata = {
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.lcdc_gpio_config = msm_fb_lcdc_gpio_config,
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};
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static struct msm_gpio msm_fb_st15_gpio_config_data[] = {
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{ GPIO_CFG(17, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "lcdc_en0" },
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{ GPIO_CFG(19, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "dat_pwr_sv" },
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{ GPIO_CFG(20, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "lvds_pwr_dn" },
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{ GPIO_CFG(22, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "lcdc_en1" },
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{ GPIO_CFG(32, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "lcdc_en2" },
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{ GPIO_CFG(103, 0, GPIO_INPUT, GPIO_NO_PULL, GPIO_2MA), "hdmi_irq" },
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{ GPIO_CFG(155, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "hdmi_3v3" },
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};
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static struct msm_panel_common_pdata mdp_pdata = {
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.gpio = 98,
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};
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static struct platform_device *devices[] __initdata = {
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&msm_fb_device,
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};
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static void __init msm_register_device(struct platform_device *pdev, void *data)
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{
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int ret;
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pdev->dev.platform_data = data;
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ret = platform_device_register(pdev);
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if (ret)
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dev_err(&pdev->dev,
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"%s: platform_device_register() failed = %d\n",
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__func__, ret);
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}
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void __init msm_fb_register_device(char *name, void *data)
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{
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if (!strncmp(name, "mdp", 3))
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msm_register_device(&msm_mdp_device, data);
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/*
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else if (!strncmp(name, "pmdh", 4))
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msm_register_device(&msm_mddi_device, data);
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else if (!strncmp(name, "emdh", 4))
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msm_register_device(&msm_mddi_ext_device, data);
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else if (!strncmp(name, "ebi2", 4))
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msm_register_device(&msm_ebi2_lcd_device, data);
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else if (!strncmp(name, "tvenc", 5))
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msm_register_device(&msm_tvenc_device, data);
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else */
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if (!strncmp(name, "lcdc", 4))
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msm_register_device(&msm_lcdc_device, data);
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/*else
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printk(KERN_ERR "%s: unknown device! %s\n", __func__, name);
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*/
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}
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static void __init msm_fb_add_devices(void)
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{
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int rc;
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msm_fb_register_device("mdp", &mdp_pdata);
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// msm_fb_register_device("pmdh", &mddi_pdata);
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// msm_fb_register_device("emdh", &mddi_pdata);
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// msm_fb_register_device("tvenc", 0);
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if (machine_is_qsd8x50a_st1_5()) {
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/* rc = st15_hdmi_vreg_init();
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if (rc)
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return;
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*/
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rc = msm_gpios_request_enable(
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msm_fb_st15_gpio_config_data,
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ARRAY_SIZE(msm_fb_st15_gpio_config_data));
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if (rc) {
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printk(KERN_ERR "%s: unable to init lcdc gpios\n",
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__func__);
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return;
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}
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msm_fb_register_device("lcdc", &lcdc_pdata);
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} else
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msm_fb_register_device("lcdc", 0);
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}
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int __init staging_init_pmem(void)
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{
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qsd8x50_allocate_memory_regions();
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return 0;
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}
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int __init staging_init_devices(void)
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{
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platform_add_devices(devices, ARRAY_SIZE(devices));
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msm_fb_add_devices();
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return 0;
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}
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arch_initcall(staging_init_pmem);
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arch_initcall(staging_init_devices);
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