msm: initial framebuffer support

Initial framebuffer components. Add board-trout-panel.c
as well as platform parts to enable the framebuffer. This
code comes directly from Google's tree.

Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>

1 files changed, 297 insertions, 0 deletions

diff --git a/arch/arm/mach-msm/board-trout-panel.c b/arch/arm/mach-msm/board-trout-panel.c
new file mode 100644
index 0000000..729bb49
--- /dev/null
+++ b/arch/arm/mach-msm/board-trout-panel.c
@@ -0,0 +1,297 @@
+/* linux/arch/arm/mach-msm/board-trout-mddi.c
+** Author: Brian Swetland <swetland@google.com>
+*/
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/leds.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <asm/mach-types.h>
+
+#include <mach/msm_fb.h>
+#include <mach/vreg.h>
+
+#include "board-trout.h"
+#include "proc_comm.h"
+#include "devices.h"
+
+#define TROUT_DEFAULT_BACKLIGHT_BRIGHTNESS 255
+
+#define MDDI_CLIENT_CORE_BASE  0x108000
+#define LCD_CONTROL_BLOCK_BASE 0x110000
+#define SPI_BLOCK_BASE         0x120000
+#define I2C_BLOCK_BASE         0x130000
+#define PWM_BLOCK_BASE         0x140000
+#define GPIO_BLOCK_BASE        0x150000
+#define SYSTEM_BLOCK1_BASE     0x160000
+#define SYSTEM_BLOCK2_BASE     0x170000
+
+
+#define	DPSUS       (MDDI_CLIENT_CORE_BASE|0x24)
+#define	SYSCLKENA   (MDDI_CLIENT_CORE_BASE|0x2C)
+#define	PWM0OFF	      (PWM_BLOCK_BASE|0x1C)
+
+#define V_VDDE2E_VDD2_GPIO 0
+#define MDDI_RST_N 82
+
+#define	MDDICAP0    (MDDI_CLIENT_CORE_BASE|0x00)
+#define	MDDICAP1    (MDDI_CLIENT_CORE_BASE|0x04)
+#define	MDDICAP2    (MDDI_CLIENT_CORE_BASE|0x08)
+#define	MDDICAP3    (MDDI_CLIENT_CORE_BASE|0x0C)
+#define	MDCAPCHG    (MDDI_CLIENT_CORE_BASE|0x10)
+#define	MDCRCERC    (MDDI_CLIENT_CORE_BASE|0x14)
+#define	TTBUSSEL    (MDDI_CLIENT_CORE_BASE|0x18)
+#define	DPSET0      (MDDI_CLIENT_CORE_BASE|0x1C)
+#define	DPSET1      (MDDI_CLIENT_CORE_BASE|0x20)
+#define	DPSUS       (MDDI_CLIENT_CORE_BASE|0x24)
+#define	DPRUN       (MDDI_CLIENT_CORE_BASE|0x28)
+#define	SYSCKENA    (MDDI_CLIENT_CORE_BASE|0x2C)
+#define	TESTMODE    (MDDI_CLIENT_CORE_BASE|0x30)
+#define	FIFOMONI    (MDDI_CLIENT_CORE_BASE|0x34)
+#define	INTMONI     (MDDI_CLIENT_CORE_BASE|0x38)
+#define	MDIOBIST    (MDDI_CLIENT_CORE_BASE|0x3C)
+#define	MDIOPSET    (MDDI_CLIENT_CORE_BASE|0x40)
+#define	BITMAP0     (MDDI_CLIENT_CORE_BASE|0x44)
+#define	BITMAP1     (MDDI_CLIENT_CORE_BASE|0x48)
+#define	BITMAP2     (MDDI_CLIENT_CORE_BASE|0x4C)
+#define	BITMAP3     (MDDI_CLIENT_CORE_BASE|0x50)
+#define	BITMAP4     (MDDI_CLIENT_CORE_BASE|0x54)
+
+#define	SRST        (LCD_CONTROL_BLOCK_BASE|0x00)
+#define	PORT_ENB    (LCD_CONTROL_BLOCK_BASE|0x04)
+#define	START       (LCD_CONTROL_BLOCK_BASE|0x08)
+#define	PORT        (LCD_CONTROL_BLOCK_BASE|0x0C)
+#define	CMN         (LCD_CONTROL_BLOCK_BASE|0x10)
+#define	GAMMA       (LCD_CONTROL_BLOCK_BASE|0x14)
+#define	INTFLG      (LCD_CONTROL_BLOCK_BASE|0x18)
+#define	INTMSK      (LCD_CONTROL_BLOCK_BASE|0x1C)
+#define	MPLFBUF     (LCD_CONTROL_BLOCK_BASE|0x20)
+#define	HDE_LEFT    (LCD_CONTROL_BLOCK_BASE|0x24)
+#define	VDE_TOP     (LCD_CONTROL_BLOCK_BASE|0x28)
+#define	PXL         (LCD_CONTROL_BLOCK_BASE|0x30)
+#define	HCYCLE      (LCD_CONTROL_BLOCK_BASE|0x34)
+#define	HSW         (LCD_CONTROL_BLOCK_BASE|0x38)
+#define	HDE_START   (LCD_CONTROL_BLOCK_BASE|0x3C)
+#define	HDE_SIZE    (LCD_CONTROL_BLOCK_BASE|0x40)
+#define	VCYCLE      (LCD_CONTROL_BLOCK_BASE|0x44)
+#define	VSW         (LCD_CONTROL_BLOCK_BASE|0x48)
+#define	VDE_START   (LCD_CONTROL_BLOCK_BASE|0x4C)
+#define	VDE_SIZE    (LCD_CONTROL_BLOCK_BASE|0x50)
+#define	WAKEUP      (LCD_CONTROL_BLOCK_BASE|0x54)
+#define	WSYN_DLY    (LCD_CONTROL_BLOCK_BASE|0x58)
+#define	REGENB      (LCD_CONTROL_BLOCK_BASE|0x5C)
+#define	VSYNIF      (LCD_CONTROL_BLOCK_BASE|0x60)
+#define	WRSTB       (LCD_CONTROL_BLOCK_BASE|0x64)
+#define	RDSTB       (LCD_CONTROL_BLOCK_BASE|0x68)
+#define	ASY_DATA    (LCD_CONTROL_BLOCK_BASE|0x6C)
+#define	ASY_DATB    (LCD_CONTROL_BLOCK_BASE|0x70)
+#define	ASY_DATC    (LCD_CONTROL_BLOCK_BASE|0x74)
+#define	ASY_DATD    (LCD_CONTROL_BLOCK_BASE|0x78)
+#define	ASY_DATE    (LCD_CONTROL_BLOCK_BASE|0x7C)
+#define	ASY_DATF    (LCD_CONTROL_BLOCK_BASE|0x80)
+#define	ASY_DATG    (LCD_CONTROL_BLOCK_BASE|0x84)
+#define	ASY_DATH    (LCD_CONTROL_BLOCK_BASE|0x88)
+#define	ASY_CMDSET  (LCD_CONTROL_BLOCK_BASE|0x8C)
+
+#define	SSICTL      (SPI_BLOCK_BASE|0x00)
+#define	SSITIME     (SPI_BLOCK_BASE|0x04)
+#define	SSITX       (SPI_BLOCK_BASE|0x08)
+#define	SSIRX       (SPI_BLOCK_BASE|0x0C)
+#define	SSIINTC     (SPI_BLOCK_BASE|0x10)
+#define	SSIINTS     (SPI_BLOCK_BASE|0x14)
+#define	SSIDBG1     (SPI_BLOCK_BASE|0x18)
+#define	SSIDBG2     (SPI_BLOCK_BASE|0x1C)
+#define	SSIID       (SPI_BLOCK_BASE|0x20)
+
+#define	WKREQ       (SYSTEM_BLOCK1_BASE|0x00)
+#define	CLKENB      (SYSTEM_BLOCK1_BASE|0x04)
+#define	DRAMPWR     (SYSTEM_BLOCK1_BASE|0x08)
+#define	INTMASK     (SYSTEM_BLOCK1_BASE|0x0C)
+#define	GPIOSEL     (SYSTEM_BLOCK2_BASE|0x00)
+
+#define	GPIODATA    (GPIO_BLOCK_BASE|0x00)
+#define	GPIODIR     (GPIO_BLOCK_BASE|0x04)
+#define	GPIOIS      (GPIO_BLOCK_BASE|0x08)
+#define	GPIOIBE     (GPIO_BLOCK_BASE|0x0C)
+#define	GPIOIEV     (GPIO_BLOCK_BASE|0x10)
+#define	GPIOIE      (GPIO_BLOCK_BASE|0x14)
+#define	GPIORIS     (GPIO_BLOCK_BASE|0x18)
+#define	GPIOMIS     (GPIO_BLOCK_BASE|0x1C)
+#define	GPIOIC      (GPIO_BLOCK_BASE|0x20)
+#define	GPIOOMS     (GPIO_BLOCK_BASE|0x24)
+#define	GPIOPC      (GPIO_BLOCK_BASE|0x28)
+#define	GPIOID      (GPIO_BLOCK_BASE|0x30)
+
+#define SPI_WRITE(reg, val) \
+	{ SSITX,        0x00010000 | (((reg) & 0xff) << 8) | ((val) & 0xff) }, \
+	{ 0, 5 },
+
+#define SPI_WRITE1(reg) \
+	{ SSITX,        (reg) & 0xff }, \
+	{ 0, 5 },
+
+struct mddi_table {
+	uint32_t reg;
+	uint32_t value;
+};
+static struct mddi_table mddi_toshiba_init_table[] = {
+	{ DPSET0,       0x09e90046 },
+	{ DPSET1,       0x00000118 },
+	{ DPSUS,        0x00000000 },
+	{ DPRUN,        0x00000001 },
+	{ 1,            14         }, /* msleep 14 */
+	{ SYSCKENA,     0x00000001 },
+	{ CLKENB,       0x0000A1EF },  /*    # SYS.CLKENB  # Enable clocks for each module (without DCLK , i2cCLK) */
+
+	{ GPIODATA,     0x02000200 },  /*   # GPI .GPIODATA  # GPIO2(RESET_LCD_N) set to 0 , GPIO3(eDRAM_Power) set to 0 */
+	{ GPIODIR,      0x000030D  },  /* 24D   # GPI .GPIODIR  # Select direction of GPIO port (0,2,3,6,9 output) */
+	{ GPIOSEL,      0/*0x00000173*/},  /*   # SYS.GPIOSEL  # GPIO port multiplexing control */
+	{ GPIOPC,       0x03C300C0 },  /*   # GPI .GPIOPC  # GPIO2,3 PD cut */
+	{ WKREQ,        0x00000000 },  /*   # SYS.WKREQ  # Wake-up request event is VSYNC alignment */
+
+	{ GPIOIBE,      0x000003FF },
+	{ GPIOIS,       0x00000000 },
+	{ GPIOIC,       0x000003FF },
+	{ GPIOIE,       0x00000000 },
+
+	{ GPIODATA,     0x00040004 },  /*   # GPI .GPIODATA  # eDRAM VD supply */
+	{ 1,            1          }, /* msleep 1 */
+	{ GPIODATA,     0x02040004 },  /*   # GPI .GPIODATA  # eDRAM VD supply */
+	{ DRAMPWR,      0x00000001 }, /* eDRAM power */
+};
+
+#define GPIOSEL_VWAKEINT (1U << 0)
+#define INTMASK_VWAKEOUT (1U << 0)
+
+
+static struct clk *gp_clk;
+static int trout_new_backlight = 1;
+static struct vreg *vreg_mddi_1v5;
+static struct vreg *vreg_lcm_2v85;
+
+static void trout_process_mddi_table(struct msm_mddi_client_data *client_data,
+				     struct mddi_table *table, size_t count)
+{
+	int i;
+	for (i = 0; i < count; i++) {
+		uint32_t reg = table[i].reg;
+		uint32_t value = table[i].value;
+
+		if (reg == 0)
+			udelay(value);
+		else if (reg == 1)
+			msleep(value);
+		else
+			client_data->remote_write(client_data, value, reg);
+	}
+}
+
+static int trout_mddi_toshiba_client_init(
+	struct msm_mddi_bridge_platform_data *bridge_data,
+	struct msm_mddi_client_data *client_data)
+{
+	int panel_id;
+
+	client_data->auto_hibernate(client_data, 0);
+	trout_process_mddi_table(client_data, mddi_toshiba_init_table,
+				 ARRAY_SIZE(mddi_toshiba_init_table));
+	client_data->auto_hibernate(client_data, 1);
+	panel_id = (client_data->remote_read(client_data, GPIODATA) >> 4) & 3;
+	if (panel_id > 1) {
+		printk(KERN_WARNING "unknown panel id at mddi_enable\n");
+		return -1;
+	}
+	return 0;
+}
+
+static int trout_mddi_toshiba_client_uninit(
+	struct msm_mddi_bridge_platform_data *bridge_data,
+	struct msm_mddi_client_data *client_data)
+{
+	return 0;
+}
+
+static struct resource resources_msm_fb[] = {
+	{
+		.start = MSM_FB_BASE,
+		.end = MSM_FB_BASE + MSM_FB_SIZE,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+struct msm_mddi_bridge_platform_data toshiba_client_data = {
+	.init = trout_mddi_toshiba_client_init,
+	.uninit = trout_mddi_toshiba_client_uninit,
+	.fb_data = {
+		.xres = 320,
+		.yres = 480,
+		.width = 45,
+		.height = 67,
+		.output_format = 0,
+	},
+};
+
+static struct msm_mddi_platform_data mddi_pdata = {
+	.clk_rate = 122880000,
+	.fb_resource = resources_msm_fb,
+	.num_clients = 1,
+	.client_platform_data = {
+		{
+			.product_id = (0xd263 << 16 | 0),
+			.name = "mddi_c_d263_0000",
+			.id = 0,
+			.client_data = &toshiba_client_data,
+			.clk_rate = 0,
+		},
+	},
+};
+
+int __init trout_init_panel(void)
+{
+	int rc;
+
+	if (!machine_is_trout())
+		return 0;
+	vreg_mddi_1v5 = vreg_get(0, "gp2");
+	if (IS_ERR(vreg_mddi_1v5))
+		return PTR_ERR(vreg_mddi_1v5);
+	vreg_lcm_2v85 = vreg_get(0, "gp4");
+	if (IS_ERR(vreg_lcm_2v85))
+		return PTR_ERR(vreg_lcm_2v85);
+
+	trout_new_backlight = system_rev >= 5;
+	if (trout_new_backlight) {
+		uint32_t config = PCOM_GPIO_CFG(27, 0, GPIO_OUTPUT,
+						GPIO_NO_PULL, GPIO_8MA);
+		msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &config, 0);
+	} else {
+		uint32_t config = PCOM_GPIO_CFG(27, 1, GPIO_OUTPUT,
+						GPIO_NO_PULL, GPIO_8MA);
+		msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &config, 0);
+
+		gp_clk = clk_get(NULL, "gp_clk");
+		if (IS_ERR(gp_clk)) {
+			printk(KERN_ERR "trout_init_panel: could not get gp"
+			       "clock\n");
+			gp_clk = NULL;
+		}
+		rc = clk_set_rate(gp_clk, 19200000);
+		if (rc)
+			printk(KERN_ERR "trout_init_panel: set clock rate "
+			       "failed\n");
+	}
+
+	rc = platform_device_register(&msm_device_mdp);
+	if (rc)
+		return rc;
+	msm_device_mddi0.dev.platform_data = &mddi_pdata;
+	return platform_device_register(&msm_device_mddi0);
+}
+
+device_initcall(trout_init_panel);