[deliverable/linux.git] / include / linux / sm501.h

/* include/linux/sm501.h
 *
 * Copyright (c) 2006 Simtec Electronics
 *	Ben Dooks <ben@simtec.co.uk>
 *	Vincent Sanders <vince@simtec.co.uk>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

extern int sm501_unit_power(struct device *dev,
			    unsigned int unit, unsigned int to);

extern unsigned long sm501_set_clock(struct device *dev,
				     int clksrc, unsigned long freq);

extern unsigned long sm501_find_clock(struct device *dev,
				      int clksrc, unsigned long req_freq);

/* sm501_misc_control
 *
 * Modify the SM501's MISC_CONTROL register
*/

extern int sm501_misc_control(struct device *dev,
			      unsigned long set, unsigned long clear);

/* sm501_modify_reg
 *
 * Modify a register in the SM501 which may be shared with other
 * drivers.
*/

extern unsigned long sm501_modify_reg(struct device *dev,
				      unsigned long reg,
				      unsigned long set,
				      unsigned long clear);

/* sm501_gpio_set
 *
 * set the state of the given GPIO line
*/

extern void sm501_gpio_set(struct device *dev,
			   unsigned long gpio,
			   unsigned int to,
			   unsigned int dir);

/* sm501_gpio_get
 *
 * get the state of the given GPIO line
*/

extern unsigned long sm501_gpio_get(struct device *dev,
				    unsigned long gpio);


/* Platform data definitions */

#define SM501FB_FLAG_USE_INIT_MODE	(1<<0)
#define SM501FB_FLAG_DISABLE_AT_EXIT	(1<<1)
#define SM501FB_FLAG_USE_HWCURSOR	(1<<2)
#define SM501FB_FLAG_USE_HWACCEL	(1<<3)
#define SM501FB_FLAG_PANEL_NO_FPEN	(1<<4)
#define SM501FB_FLAG_PANEL_NO_VBIASEN	(1<<5)
#define SM501FB_FLAG_PANEL_INV_FPEN	(1<<6)
#define SM501FB_FLAG_PANEL_INV_VBIASEN	(1<<7)

struct sm501_platdata_fbsub {
	struct fb_videomode	*def_mode;
	unsigned int		 def_bpp;
	unsigned long		 max_mem;
	unsigned int		 flags;
};

enum sm501_fb_routing {
	SM501_FB_OWN		= 0,	/* CRT=>CRT, Panel=>Panel */
	SM501_FB_CRT_PANEL	= 1,	/* Panel=>CRT, Panel=>Panel */
};

/* sm501_platdata_fb flag field bit definitions */

#define SM501_FBPD_SWAP_FB_ENDIAN	(1<<0)	/* need to endian swap */

/* sm501_platdata_fb
 *
 * configuration data for the framebuffer driver
*/

struct sm501_platdata_fb {
	enum sm501_fb_routing		 fb_route;
	unsigned int			 flags;
	struct sm501_platdata_fbsub	*fb_crt;
	struct sm501_platdata_fbsub	*fb_pnl;
};

/* gpio i2c */

struct sm501_platdata_gpio_i2c {
	unsigned int		pin_sda;
	unsigned int		pin_scl;
};

/* sm501_initdata
 *
 * use for initialising values that may not have been setup
 * before the driver is loaded.
*/

struct sm501_reg_init {
	unsigned long		set;
	unsigned long		mask;
};

#define SM501_USE_USB_HOST	(1<<0)
#define SM501_USE_USB_SLAVE	(1<<1)
#define SM501_USE_SSP0		(1<<2)
#define SM501_USE_SSP1		(1<<3)
#define SM501_USE_UART0		(1<<4)
#define SM501_USE_UART1		(1<<5)
#define SM501_USE_FBACCEL	(1<<6)
#define SM501_USE_AC97		(1<<7)
#define SM501_USE_I2S		(1<<8)

#define SM501_USE_ALL		(0xffffffff)

struct sm501_initdata {
	struct sm501_reg_init	gpio_low;
	struct sm501_reg_init	gpio_high;
	struct sm501_reg_init	misc_timing;
	struct sm501_reg_init	misc_control;

	unsigned long		devices;
	unsigned long		mclk;		/* non-zero to modify */
	unsigned long		m1xclk;		/* non-zero to modify */
};

/* sm501_init_gpio
 *
 * default gpio settings
*/

struct sm501_init_gpio {
	struct sm501_reg_init	gpio_data_low;
	struct sm501_reg_init	gpio_data_high;
	struct sm501_reg_init	gpio_ddr_low;
	struct sm501_reg_init	gpio_ddr_high;
};

/* sm501_platdata
 *
 * This is passed with the platform device to allow the board
 * to control the behaviour of the SM501 driver(s) which attach
 * to the device.
 *
*/

struct sm501_platdata {
	struct sm501_initdata		*init;
	struct sm501_init_gpio		*init_gpiop;
	struct sm501_platdata_fb	*fb;

	struct sm501_platdata_gpio_i2c	*gpio_i2c;
	unsigned int			 gpio_i2c_nr;
};
Commit	Line	Data
b6d6454f BD	1	/* include/linux/sm501.h
	2	*
	3	* Copyright (c) 2006 Simtec Electronics
	4	* Ben Dooks <ben@simtec.co.uk>
	5	* Vincent Sanders <vince@simtec.co.uk>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*/
	20
	21	extern int sm501_unit_power(struct device *dev,
	22	unsigned int unit, unsigned int to);
	23
	24	extern unsigned long sm501_set_clock(struct device *dev,
	25	int clksrc, unsigned long freq);
	26
3149be50 VS	27	extern unsigned long sm501_find_clock(struct device *dev,
3149be50 VS	28	int clksrc, unsigned long req_freq);
b6d6454f BD	29
	30	/* sm501_misc_control
	31	*
	32	* Modify the SM501's MISC_CONTROL register
	33	*/
	34
	35	extern int sm501_misc_control(struct device *dev,
	36	unsigned long set, unsigned long clear);
	37
	38	/* sm501_modify_reg
	39	*
	40	* Modify a register in the SM501 which may be shared with other
	41	* drivers.
	42	*/
	43
	44	extern unsigned long sm501_modify_reg(struct device *dev,
	45	unsigned long reg,
	46	unsigned long set,
	47	unsigned long clear);
	48
	49	/* sm501_gpio_set
	50	*
	51	* set the state of the given GPIO line
	52	*/
	53
	54	extern void sm501_gpio_set(struct device *dev,
	55	unsigned long gpio,
	56	unsigned int to,
	57	unsigned int dir);
	58
	59	/* sm501_gpio_get
	60	*
	61	* get the state of the given GPIO line
	62	*/
	63
	64	extern unsigned long sm501_gpio_get(struct device *dev,
	65	unsigned long gpio);
	66
	67
	68	/* Platform data definitions */
	69
	70	#define SM501FB_FLAG_USE_INIT_MODE (1<<0)
	71	#define SM501FB_FLAG_DISABLE_AT_EXIT (1<<1)
	72	#define SM501FB_FLAG_USE_HWCURSOR (1<<2)
	73	#define SM501FB_FLAG_USE_HWACCEL (1<<3)
cdc83ae2 BD	74	#define SM501FB_FLAG_PANEL_NO_FPEN (1<<4)
cdc83ae2 BD	75	#define SM501FB_FLAG_PANEL_NO_VBIASEN (1<<5)
206c5d69 BD	76	#define SM501FB_FLAG_PANEL_INV_FPEN (1<<6)
206c5d69 BD	77	#define SM501FB_FLAG_PANEL_INV_VBIASEN (1<<7)
b6d6454f BD	78
	79	struct sm501_platdata_fbsub {
	80	struct fb_videomode *def_mode;
	81	unsigned int def_bpp;
	82	unsigned long max_mem;
	83	unsigned int flags;
	84	};
	85
	86	enum sm501_fb_routing {
	87	SM501_FB_OWN = 0, /* CRT=>CRT, Panel=>Panel */
	88	SM501_FB_CRT_PANEL = 1, /* Panel=>CRT, Panel=>Panel */
	89	};
	90
	91	/* sm501_platdata_fb flag field bit definitions */
	92
	93	#define SM501_FBPD_SWAP_FB_ENDIAN (1<<0) /* need to endian swap */
	94
	95	/* sm501_platdata_fb
	96	*
	97	* configuration data for the framebuffer driver
	98	*/
	99
	100	struct sm501_platdata_fb {
	101	enum sm501_fb_routing fb_route;
	102	unsigned int flags;
	103	struct sm501_platdata_fbsub *fb_crt;
	104	struct sm501_platdata_fbsub *fb_pnl;
	105	};
	106
	107	/* gpio i2c */
	108
	109	struct sm501_platdata_gpio_i2c {
	110	unsigned int pin_sda;
	111	unsigned int pin_scl;
	112	};
	113
	114	/* sm501_initdata
	115	*
	116	* use for initialising values that may not have been setup
	117	* before the driver is loaded.
	118	*/
	119
	120	struct sm501_reg_init {
	121	unsigned long set;
	122	unsigned long mask;
	123	};
	124
	125	#define SM501_USE_USB_HOST (1<<0)
	126	#define SM501_USE_USB_SLAVE (1<<1)
	127	#define SM501_USE_SSP0 (1<<2)
	128	#define SM501_USE_SSP1 (1<<3)
	129	#define SM501_USE_UART0 (1<<4)
	130	#define SM501_USE_UART1 (1<<5)
	131	#define SM501_USE_FBACCEL (1<<6)
	132	#define SM501_USE_AC97 (1<<7)
	133	#define SM501_USE_I2S (1<<8)
	134
	135	#define SM501_USE_ALL (0xffffffff)
	136
	137	struct sm501_initdata {
	138	struct sm501_reg_init gpio_low;
	139	struct sm501_reg_init gpio_high;
	140	struct sm501_reg_init misc_timing;
	141	struct sm501_reg_init misc_control;
142
143	unsigned long devices;
144	unsigned long mclk; /* non-zero to modify */
145	unsigned long m1xclk; /* non-zero to modify */
146	};
147
148	/* sm501_init_gpio
149	*
150	* default gpio settings
151	*/
152
153	struct sm501_init_gpio {
154	struct sm501_reg_init gpio_data_low;
155	struct sm501_reg_init gpio_data_high;
156	struct sm501_reg_init gpio_ddr_low;
157	struct sm501_reg_init gpio_ddr_high;
158	};
159
160	/* sm501_platdata
161	*
162	* This is passed with the platform device to allow the board
163	* to control the behaviour of the SM501 driver(s) which attach
164	* to the device.
165	*
166	*/
167
168	struct sm501_platdata {
169	struct sm501_initdata *init;
170	struct sm501_init_gpio *init_gpiop;
171	struct sm501_platdata_fb *fb;
172
173	struct sm501_platdata_gpio_i2c *gpio_i2c;
174	unsigned int gpio_i2c_nr;
175	};