[PATCH v2 5/5] msm: initial framebuffer support
Daniel Walker
dwalker at codeaurora.org
Mon Dec 13 17:35:11 EST 2010
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 at codeaurora.org>
---
arch/arm/mach-msm/Makefile | 1 +
arch/arm/mach-msm/board-trout-panel.c | 297 +++++++++++++++++++++++++++++++++
arch/arm/mach-msm/devices-msm7x00.c | 67 ++++++++
arch/arm/mach-msm/devices.h | 4 +
4 files changed, 369 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-msm/board-trout-panel.c
diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index b5a7b07..3abe889 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_MSM_SMD) += smd.o smd_debug.o
obj-$(CONFIG_MSM_SMD) += last_radio_log.o
obj-$(CONFIG_MACH_TROUT) += board-trout.o board-trout-gpio.o board-trout-mmc.o devices-msm7x00.o
+obj-$(CONFIG_MACH_TROUT) += board-trout.o board-trout-gpio.o board-trout-mmc.o board-trout-panel.o devices-msm7x00.o
obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o devices-msm7x00.o
obj-$(CONFIG_ARCH_MSM7X30) += board-msm7x30.o devices-msm7x30.o
obj-$(CONFIG_ARCH_QSD8X50) += board-qsd8x50.o devices-qsd8x50.o
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 at 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);
diff --git a/arch/arm/mach-msm/devices-msm7x00.c b/arch/arm/mach-msm/devices-msm7x00.c
index b00a94b..fb548a8 100644
--- a/arch/arm/mach-msm/devices-msm7x00.c
+++ b/arch/arm/mach-msm/devices-msm7x00.c
@@ -347,6 +347,73 @@ int __init msm_add_sdcc(unsigned int controller,
return platform_device_register(pdev);
}
+static struct resource resources_mddi0[] = {
+ {
+ .start = MSM_PMDH_PHYS,
+ .end = MSM_PMDH_PHYS + MSM_PMDH_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_MDDI_PRI,
+ .end = INT_MDDI_PRI,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource resources_mddi1[] = {
+ {
+ .start = MSM_EMDH_PHYS,
+ .end = MSM_EMDH_PHYS + MSM_EMDH_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_MDDI_EXT,
+ .end = INT_MDDI_EXT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device msm_device_mddi0 = {
+ .name = "msm_mddi",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(resources_mddi0),
+ .resource = resources_mddi0,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
+};
+
+struct platform_device msm_device_mddi1 = {
+ .name = "msm_mddi",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(resources_mddi1),
+ .resource = resources_mddi1,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
+};
+
+static struct resource resources_mdp[] = {
+ {
+ .start = MSM_MDP_PHYS,
+ .end = MSM_MDP_PHYS + MSM_MDP_SIZE - 1,
+ .name = "mdp",
+ .flags = IORESOURCE_MEM
+ },
+ {
+ .start = INT_MDP,
+ .end = INT_MDP,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device msm_device_mdp = {
+ .name = "msm_mdp",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(resources_mdp),
+ .resource = resources_mdp,
+};
+
struct clk msm_clocks_7x01a[] = {
CLK_PCOM("adm_clk", ADM_CLK, NULL, 0),
CLK_PCOM("adsp_clk", ADSP_CLK, NULL, 0),
diff --git a/arch/arm/mach-msm/devices.h b/arch/arm/mach-msm/devices.h
index 568443e..68b8075 100644
--- a/arch/arm/mach-msm/devices.h
+++ b/arch/arm/mach-msm/devices.h
@@ -35,6 +35,10 @@ extern struct platform_device msm_device_smd;
extern struct platform_device msm_device_nand;
+extern struct platform_device msm_device_mddi0;
+extern struct platform_device msm_device_mddi1;
+extern struct platform_device msm_device_mdp;
+
extern struct clk msm_clocks_7x01a[];
extern unsigned msm_num_clocks_7x01a;
--
1.7.1
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