diff options
| -rw-r--r-- | arch/arm/mach-pxa/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/spitz.c | 291 |
2 files changed, 125 insertions, 168 deletions
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index ced2a679d08..56f216298bc 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -29,7 +29,7 @@ obj-$(CONFIG_ARCH_PXA_IDP) += idp.o obj-$(CONFIG_MACH_TRIZEPS4) += trizeps4.o obj-$(CONFIG_MACH_COLIBRI) += colibri.o obj-$(CONFIG_PXA_SHARP_C7xx) += corgi.o sharpsl_pm.o corgi_pm.o -obj-$(CONFIG_PXA_SHARP_Cxx00) += spitz.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o spitz_pm.o +obj-$(CONFIG_PXA_SHARP_Cxx00) += spitz.o sharpsl_pm.o spitz_pm.o obj-$(CONFIG_MACH_AKITA) += akita-ioexp.o obj-$(CONFIG_MACH_POODLE) += poodle.o obj-$(CONFIG_MACH_PCM027) += pcm027.o diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index 075fd8dda92..8b06b7a749d 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -23,6 +23,9 @@ #include <linux/mmc/host.h> #include <linux/pm.h> #include <linux/backlight.h> +#include <linux/spi/spi.h> +#include <linux/spi/ads7846.h> +#include <linux/spi/corgi_lcd.h> #include <asm/setup.h> #include <asm/memory.h> @@ -47,6 +50,7 @@ #include <mach/ohci.h> #include <mach/udc.h> #include <mach/pxafb.h> +#include <mach/pxa2xx_spi.h> #include <mach/akita.h> #include <mach/spitz.h> #include <mach/sharpsl.h> @@ -237,64 +241,6 @@ static struct scoop_pcmcia_config spitz_pcmcia_config = { EXPORT_SYMBOL(spitzscoop_device); EXPORT_SYMBOL(spitzscoop2_device); - -/* - * Spitz SSP Device - * - * Set the parent as the scoop device because a lot of SSP devices - * also use scoop functions and this makes the power up/down order - * work correctly. - */ -struct platform_device spitzssp_device = { - .name = "corgi-ssp", - .dev = { - .parent = &spitzscoop_device.dev, - }, - .id = -1, -}; - -struct corgissp_machinfo spitz_ssp_machinfo = { - .port = 2, - .cs_lcdcon = SPITZ_GPIO_LCDCON_CS, - .cs_ads7846 = SPITZ_GPIO_ADS7846_CS, - .cs_max1111 = SPITZ_GPIO_MAX1111_CS, - .clk_lcdcon = 520, - .clk_ads7846 = 14, - .clk_max1111 = 56, -}; - - -/* - * Spitz Backlight Device - */ -static void spitz_bl_kick_battery(void) -{ - void (*kick_batt)(void); - - kick_batt = symbol_get(sharpsl_battery_kick); - if (kick_batt) { - kick_batt(); - symbol_put(sharpsl_battery_kick); - } -} - -static struct generic_bl_info spitz_bl_machinfo = { - .name = "corgi-bl", - .default_intensity = 0x1f, - .limit_mask = 0x0b, - .max_intensity = 0x2f, - .kick_battery = spitz_bl_kick_battery, -}; - -static struct platform_device spitzbl_device = { - .name = "generic-bl", - .dev = { - .platform_data = &spitz_bl_machinfo, - }, - .id = -1, -}; - - /* * Spitz Keyboard Device */ @@ -312,83 +258,150 @@ static struct platform_device spitzled_device = { .id = -1, }; -/* - * Spitz Touch Screen Device - */ +#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) +static struct pxa2xx_spi_master spitz_spi_info = { + .num_chipselect = 3, +}; -static unsigned long (*get_hsync_invperiod)(struct device *dev); +static struct ads7846_platform_data spitz_ads7846_info = { + .model = 7846, + .vref_delay_usecs = 100, + .x_plate_ohms = 419, + .y_plate_ohms = 486, + .gpio_pendown = SPITZ_GPIO_TP_INT, +}; -static void inline sharpsl_wait_sync(int gpio) +static void spitz_ads7846_cs(u32 command) { - while((GPLR(gpio) & GPIO_bit(gpio)) == 0); - while((GPLR(gpio) & GPIO_bit(gpio)) != 0); + gpio_set_value(SPITZ_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT)); } -static struct device *spitz_pxafb_dev; +static struct pxa2xx_spi_chip spitz_ads7846_chip = { + .cs_control = spitz_ads7846_cs, +}; -static int is_pxafb_device(struct device * dev, void * data) +static void spitz_notify_intensity(int intensity) { - struct platform_device *pdev = container_of(dev, struct platform_device, dev); + if (machine_is_spitz() || machine_is_borzoi()) { + /* Bit 5 is via SCOOP */ + if (intensity & 0x0020) + reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT); + else + set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT); + + if (intensity) + set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON); + else + reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON); + return; + } - return (strncmp(pdev->name, "pxa2xx-fb", 9) == 0); + if (machine_is_akita()) { + /* Bit 5 is via IO-Expander */ + if (intensity & 0x0020) + akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT); + else + akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT); + + if (intensity) + akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON); + else + akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON); + return; + } } -static unsigned long spitz_get_hsync_invperiod(void) +static void spitz_bl_kick_battery(void) { -#ifdef CONFIG_FB_PXA - if (!spitz_pxafb_dev) { - spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device); - if (!spitz_pxafb_dev) - return 0; - } - if (!get_hsync_invperiod) - get_hsync_invperiod = symbol_get(pxafb_get_hsync_time); - if (!get_hsync_invperiod) -#endif - return 0; + void (*kick_batt)(void); - return get_hsync_invperiod(spitz_pxafb_dev); + kick_batt = symbol_get(sharpsl_battery_kick); + if (kick_batt) { + kick_batt(); + symbol_put(sharpsl_battery_kick); + } } -static void spitz_put_hsync(void) -{ - put_device(spitz_pxafb_dev); - if (get_hsync_invperiod) - symbol_put(pxafb_get_hsync_time); - spitz_pxafb_dev = NULL; - get_hsync_invperiod = NULL; -} +static struct corgi_lcd_platform_data spitz_lcdcon_info = { + .init_mode = CORGI_LCD_MODE_VGA, + .max_intensity = 0x2f, + .default_intensity = 0x1f, + .limit_mask = 0x0b, + .notify = spitz_notify_intensity, + .kick_battery = spitz_bl_kick_battery, +}; -static void spitz_wait_hsync(void) +static void spitz_lcdcon_cs(u32 command) { - sharpsl_wait_sync(SPITZ_GPIO_HSYNC); + gpio_set_value(SPITZ_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT)); } -static struct resource spitzts_resources[] = { - [0] = { - .start = SPITZ_IRQ_GPIO_TP_INT, - .end = SPITZ_IRQ_GPIO_TP_INT, - .flags = IORESOURCE_IRQ, - }, +static struct pxa2xx_spi_chip spitz_lcdcon_chip = { + .cs_control = spitz_lcdcon_cs, }; -static struct corgits_machinfo spitz_ts_machinfo = { - .get_hsync_invperiod = spitz_get_hsync_invperiod, - .put_hsync = spitz_put_hsync, - .wait_hsync = spitz_wait_hsync, +static void spitz_max1111_cs(u32 command) +{ + gpio_set_value(SPITZ_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT)); +} + +static struct pxa2xx_spi_chip spitz_max1111_chip = { + .cs_control = spitz_max1111_cs, }; -static struct platform_device spitzts_device = { - .name = "corgi-ts", - .dev = { - .parent = &spitzssp_device.dev, - .platform_data = &spitz_ts_machinfo, +static struct spi_board_info spitz_spi_devices[] = { + { + .modalias = "ads7846", + .max_speed_hz = 1200000, + .bus_num = 2, + .chip_select = 0, + .platform_data = &spitz_ads7846_info, + .controller_data= &spitz_ads7846_chip, + .irq = gpio_to_irq(SPITZ_GPIO_TP_INT), + }, { + .modalias = "corgi-lcd", + .max_speed_hz = 50000, + .bus_num = 2, + .chip_select = 1, + .platform_data = &spitz_lcdcon_info, + .controller_data= &spitz_lcdcon_chip, + }, { + .modalias = "max1111", + .max_speed_hz = 450000, + .bus_num = 2, + .chip_select = 2, + .controller_data= &spitz_max1111_chip, }, - .id = -1, - .num_resources = ARRAY_SIZE(spitzts_resources), - .resource = spitzts_resources, }; +static void __init spitz_init_spi(void) +{ + int err; + + err = gpio_request(SPITZ_GPIO_ADS7846_CS, "ADS7846_CS"); + if (err) + return; + + err = gpio_request(SPITZ_GPIO_LCDCON_CS, "LCDCON_CS"); + if (err) + goto err_free_1; + + err = gpio_request(SPITZ_GPIO_MAX1111_CS, "MAX1111_CS"); + if (err) + goto err_free_2; + + pxa2xx_set_spi_info(2, &spitz_spi_info); + spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices)); + return; + +err_free_2: + gpio_free(SPITZ_GPIO_LCDCON_CS); +err_free_1: + gpio_free(SPITZ_GPIO_ADS7846_CS); +} +#else +static inline void spitz_init_spi(void) {} +#endif /* * MMC/SD Device @@ -532,14 +545,6 @@ static struct pxaficp_platform_data spitz_ficp_platform_data = { * Spitz PXA Framebuffer */ -static void spitz_lcd_power(int on, struct fb_var_screeninfo *var) -{ - if (on) - corgi_lcdtg_hw_init(var->xres); - else - corgi_lcdtg_suspend(); -} - static struct pxafb_mode_info spitz_pxafb_modes[] = { { .pixclock = 19231, @@ -573,16 +578,12 @@ static struct pxafb_mach_info spitz_pxafb_info = { .num_modes = 2, .fixed_modes = 1, .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING, - .pxafb_lcd_power = spitz_lcd_power, }; static struct platform_device *devices[] __initdata = { &spitzscoop_device, - &spitzssp_device, &spitzkbd_device, - &spitzts_device, - &spitzbl_device, &spitzled_device, }; @@ -613,44 +614,21 @@ static void __init common_init(void) pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config)); - corgi_ssp_set_machinfo(&spitz_ssp_machinfo); + spitz_init_spi(); platform_add_devices(devices, ARRAY_SIZE(devices)); pxa_set_mci_info(&spitz_mci_platform_data); pxa_set_ohci_info(&spitz_ohci_platform_data); pxa_set_ficp_info(&spitz_ficp_platform_data); - set_pxa_fb_parent(&spitzssp_device.dev); set_pxa_fb_info(&spitz_pxafb_info); pxa_set_i2c_info(NULL); } #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI) -static void spitz_bl_set_intensity(int intensity) -{ - if (intensity > 0x10) - intensity += 0x10; - - /* Bits 0-4 are accessed via the SSP interface */ - corgi_ssp_blduty_set(intensity & 0x1f); - - /* Bit 5 is via SCOOP */ - if (intensity & 0x0020) - reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT); - else - set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT); - - if (intensity) - set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON); - else - reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON); -} - static void __init spitz_init(void) { platform_scoop_config = &spitz_pcmcia_config; - spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity; - common_init(); platform_device_register(&spitzscoop2_device); @@ -668,26 +646,6 @@ struct platform_device akitaioexp_device = { EXPORT_SYMBOL_GPL(akitaioexp_device); -static void akita_bl_set_intensity(int intensity) -{ - if (intensity > 0x10) - intensity += 0x10; - - /* Bits 0-4 are accessed via the SSP interface */ - corgi_ssp_blduty_set(intensity & 0x1f); - - /* Bit 5 is via IO-Expander */ - if (intensity & 0x0020) - akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT); - else - akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT); - - if (intensity) - akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON); - else - akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON); -} - static void __init akita_init(void) { spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode; @@ -695,7 +653,6 @@ static void __init akita_init(void) /* We just pretend the second element of the array doesn't exist */ spitz_pcmcia_config.num_devs = 1; platform_scoop_config = &spitz_pcmcia_config; - spitz_bl_machinfo.set_bl_intensity = akita_bl_set_intensity; platform_device_register(&akitaioexp_device); |