WebSVN – Kolibri OS – Blame – /drivers/video/drm/radeon/atom.c

Rev	Author	Line No.	Line
1117	serge	1	/*
		2	* Copyright 2008 Advanced Micro Devices, Inc.
		3	*
		4	* Permission is hereby granted, free of charge, to any person obtaining a
		5	* copy of this software and associated documentation files (the "Software"),
		6	* to deal in the Software without restriction, including without limitation
		7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
		8	* and/or sell copies of the Software, and to permit persons to whom the
		9	* Software is furnished to do so, subject to the following conditions:
		10	*
		11	* The above copyright notice and this permission notice shall be included in
		12	* all copies or substantial portions of the Software.
		13	*
		14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
		15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
		16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
		17	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
		18	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
		19	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
		20	* OTHER DEALINGS IN THE SOFTWARE.
		21	*
		22	* Author: Stanislaw Skowronek
		23	*/
		24
1179	serge	25	#include
		26	#include
1963	serge	27	#include
1428	serge	28	#include
1117	serge	29
		30	#define ATOM_DEBUG
		31
		32	#include "atom.h"
		33	#include "atom-names.h"
		34	#include "atom-bits.h"
1963	serge	35	#include "radeon.h"
1117	serge	36
		37	#define ATOM_COND_ABOVE 0
		38	#define ATOM_COND_ABOVEOREQUAL 1
		39	#define ATOM_COND_ALWAYS 2
		40	#define ATOM_COND_BELOW 3
		41	#define ATOM_COND_BELOWOREQUAL 4
		42	#define ATOM_COND_EQUAL 5
		43	#define ATOM_COND_NOTEQUAL 6
		44
		45	#define ATOM_PORT_ATI 0
		46	#define ATOM_PORT_PCI 1
		47	#define ATOM_PORT_SYSIO 2
		48
		49	#define ATOM_UNIT_MICROSEC 0
		50	#define ATOM_UNIT_MILLISEC 1
		51
		52	#define PLL_INDEX 2
		53	#define PLL_DATA 3
		54
		55	typedef struct {
		56	struct atom_context *ctx;
		57	uint32_t ps, ws;
		58	int ps_shift;
		59	uint16_t start;
1963	serge	60	unsigned last_jump;
		61	unsigned long last_jump_jiffies;
		62	bool abort;
1117	serge	63	} atom_exec_context;
		64
		65	int atom_debug = 0;
1963	serge	66	static int atom_execute_table_locked(struct atom_context ctx, int index, uint32_t params);
		67	int atom_execute_table(struct atom_context ctx, int index, uint32_t params);
1117	serge	68
		69	static uint32_t atom_arg_mask[8] =
		70	{ 0xFFFFFFFF, 0xFFFF, 0xFFFF00, 0xFFFF0000, 0xFF, 0xFF00, 0xFF0000,
		71	0xFF000000 };
		72	static int atom_arg_shift[8] = { 0, 0, 8, 16, 0, 8, 16, 24 };
		73
		74	static int atom_dst_to_src[8][4] = {
		75	/* translate destination alignment field to the source alignment encoding */
		76	{0, 0, 0, 0},
		77	{1, 2, 3, 0},
		78	{1, 2, 3, 0},
		79	{1, 2, 3, 0},
		80	{4, 5, 6, 7},
		81	{4, 5, 6, 7},
		82	{4, 5, 6, 7},
		83	{4, 5, 6, 7},
		84	};
		85	static int atom_def_dst[8] = { 0, 0, 1, 2, 0, 1, 2, 3 };
		86
		87	static int debug_depth = 0;
		88	#ifdef ATOM_DEBUG
		89	static void debug_print_spaces(int n)
		90	{
		91	while (n--)
		92	printk(" ");
		93	}
		94
		95	#define DEBUG(...) do if (atom_debug) { printk(KERN_DEBUG __VA_ARGS__); } while (0)
6321	serge	96	#define SDEBUG(...) do if (atom_debug) { printk(KERN_DEBUG); debug_print_spaces(debug_depth); printk(__VA_ARGS__);} while (0)
1117	serge	97	#else
		98	#define DEBUG(...) do { } while (0)
		99	#define SDEBUG(...) do { } while (0)
		100	#endif
		101
		102	static uint32_t atom_iio_execute(struct atom_context *ctx, int base,
		103	uint32_t index, uint32_t data)
		104	{
1963	serge	105	struct radeon_device *rdev = ctx->card->dev->dev_private;
1117	serge	106	uint32_t temp = 0xCDCDCDCD;
1963	serge	107
1117	serge	108	while (1)
		109	switch (CU8(base)) {
		110	case ATOM_IIO_NOP:
		111	base++;
		112	break;
		113	case ATOM_IIO_READ:
1963	serge	114	temp = ctx->card->ioreg_read(ctx->card, CU16(base + 1));
1117	serge	115	base += 3;
		116	break;
		117	case ATOM_IIO_WRITE:
1963	serge	118	if (rdev->family == CHIP_RV515)
6104	serge	119	(void)ctx->card->ioreg_read(ctx->card, CU16(base + 1));
1963	serge	120	ctx->card->ioreg_write(ctx->card, CU16(base + 1), temp);
1117	serge	121	base += 3;
		122	break;
		123	case ATOM_IIO_CLEAR:
		124	temp &=
		125	~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
		126	CU8(base + 2));
		127	base += 3;
		128	break;
		129	case ATOM_IIO_SET:
		130	temp \|=
		131	(0xFFFFFFFF >> (32 - CU8(base + 1))) << CU8(base +
		132	2);
		133	base += 3;
		134	break;
		135	case ATOM_IIO_MOVE_INDEX:
		136	temp &=
		137	~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
1963	serge	138	CU8(base + 3));
1117	serge	139	temp \|=
		140	((index >> CU8(base + 2)) &
		141	(0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
		142	3);
		143	base += 4;
		144	break;
		145	case ATOM_IIO_MOVE_DATA:
		146	temp &=
		147	~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
1963	serge	148	CU8(base + 3));
1117	serge	149	temp \|=
		150	((data >> CU8(base + 2)) &
		151	(0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
		152	3);
		153	base += 4;
		154	break;
		155	case ATOM_IIO_MOVE_ATTR:
		156	temp &=
		157	~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
1963	serge	158	CU8(base + 3));
1117	serge	159	temp \|=
		160	((ctx->
		161	io_attr >> CU8(base + 2)) & (0xFFFFFFFF >> (32 -
		162	CU8
		163	(base
		164	+
		165	1))))
		166	<< CU8(base + 3);
		167	base += 4;
		168	break;
		169	case ATOM_IIO_END:
		170	return temp;
		171	default:
		172	printk(KERN_INFO "Unknown IIO opcode.\n");
		173	return 0;
		174	}
		175	}
		176
		177	static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
		178	int ptr, uint32_t saved, int print)
		179	{
		180	uint32_t idx, val = 0xCDCDCDCD, align, arg;
		181	struct atom_context *gctx = ctx->ctx;
		182	arg = attr & 7;
		183	align = (attr >> 3) & 7;
		184	switch (arg) {
		185	case ATOM_ARG_REG:
		186	idx = U16(*ptr);
		187	(*ptr) += 2;
		188	if (print)
		189	DEBUG("REG[0x%04X]", idx);
		190	idx += gctx->reg_block;
		191	switch (gctx->io_mode) {
		192	case ATOM_IO_MM:
		193	val = gctx->card->reg_read(gctx->card, idx);
		194	break;
		195	case ATOM_IO_PCI:
		196	printk(KERN_INFO
		197	"PCI registers are not implemented.\n");
		198	return 0;
		199	case ATOM_IO_SYSIO:
		200	printk(KERN_INFO
		201	"SYSIO registers are not implemented.\n");
		202	return 0;
		203	default:
		204	if (!(gctx->io_mode & 0x80)) {
		205	printk(KERN_INFO "Bad IO mode.\n");
		206	return 0;
		207	}
		208	if (!gctx->iio[gctx->io_mode & 0x7F]) {
		209	printk(KERN_INFO
		210	"Undefined indirect IO read method %d.\n",
		211	gctx->io_mode & 0x7F);
		212	return 0;
		213	}
		214	val =
		215	atom_iio_execute(gctx,
		216	gctx->iio[gctx->io_mode & 0x7F],
		217	idx, 0);
		218	}
		219	break;
		220	case ATOM_ARG_PS:
		221	idx = U8(*ptr);
		222	(*ptr)++;
1428	serge	223	/* get_unaligned_le32 avoids unaligned accesses from atombios
		224	* tables, noticed on a DEC Alpha. */
		225	val = get_unaligned_le32((u32 *)&ctx->ps[idx]);
1117	serge	226	if (print)
		227	DEBUG("PS[0x%02X,0x%04X]", idx, val);
		228	break;
		229	case ATOM_ARG_WS:
		230	idx = U8(*ptr);
		231	(*ptr)++;
		232	if (print)
		233	DEBUG("WS[0x%02X]", idx);
		234	switch (idx) {
		235	case ATOM_WS_QUOTIENT:
		236	val = gctx->divmul[0];
		237	break;
		238	case ATOM_WS_REMAINDER:
		239	val = gctx->divmul[1];
		240	break;
		241	case ATOM_WS_DATAPTR:
		242	val = gctx->data_block;
		243	break;
		244	case ATOM_WS_SHIFT:
		245	val = gctx->shift;
		246	break;
		247	case ATOM_WS_OR_MASK:
		248	val = 1 << gctx->shift;
		249	break;
		250	case ATOM_WS_AND_MASK:
		251	val = ~(1 << gctx->shift);
		252	break;
		253	case ATOM_WS_FB_WINDOW:
		254	val = gctx->fb_base;
		255	break;
		256	case ATOM_WS_ATTRIBUTES:
		257	val = gctx->io_attr;
		258	break;
1403	serge	259	case ATOM_WS_REGPTR:
		260	val = gctx->reg_block;
		261	break;
1117	serge	262	default:
		263	val = ctx->ws[idx];
		264	}
		265	break;
		266	case ATOM_ARG_ID:
		267	idx = U16(*ptr);
		268	(*ptr) += 2;
		269	if (print) {
		270	if (gctx->data_block)
		271	DEBUG("ID[0x%04X+%04X]", idx, gctx->data_block);
		272	else
		273	DEBUG("ID[0x%04X]", idx);
		274	}
		275	val = U32(idx + gctx->data_block);
		276	break;
		277	case ATOM_ARG_FB:
		278	idx = U8(*ptr);
		279	(*ptr)++;
2997	Serge	280	if ((gctx->fb_base + (idx * 4)) > gctx->scratch_size_bytes) {
		281	DRM_ERROR("ATOM: fb read beyond scratch region: %d vs. %d\n",
		282	gctx->fb_base + (idx * 4), gctx->scratch_size_bytes);
		283	val = 0;
		284	} else
		285	val = gctx->scratch[(gctx->fb_base / 4) + idx];
1117	serge	286	if (print)
		287	DEBUG("FB[0x%02X]", idx);
1321	serge	288	break;
1117	serge	289	case ATOM_ARG_IMM:
		290	switch (align) {
		291	case ATOM_SRC_DWORD:
		292	val = U32(*ptr);
		293	(*ptr) += 4;
		294	if (print)
		295	DEBUG("IMM 0x%08X\n", val);
		296	return val;
		297	case ATOM_SRC_WORD0:
		298	case ATOM_SRC_WORD8:
		299	case ATOM_SRC_WORD16:
		300	val = U16(*ptr);
		301	(*ptr) += 2;
		302	if (print)
		303	DEBUG("IMM 0x%04X\n", val);
		304	return val;
		305	case ATOM_SRC_BYTE0:
		306	case ATOM_SRC_BYTE8:
		307	case ATOM_SRC_BYTE16:
		308	case ATOM_SRC_BYTE24:
		309	val = U8(*ptr);
		310	(*ptr)++;
		311	if (print)
		312	DEBUG("IMM 0x%02X\n", val);
		313	return val;
		314	}
		315	return 0;
		316	case ATOM_ARG_PLL:
		317	idx = U8(*ptr);
		318	(*ptr)++;
		319	if (print)
		320	DEBUG("PLL[0x%02X]", idx);
		321	val = gctx->card->pll_read(gctx->card, idx);
		322	break;
		323	case ATOM_ARG_MC:
		324	idx = U8(*ptr);
		325	(*ptr)++;
		326	if (print)
		327	DEBUG("MC[0x%02X]", idx);
		328	val = gctx->card->mc_read(gctx->card, idx);
		329	break;
		330	}
		331	if (saved)
		332	*saved = val;
		333	val &= atom_arg_mask[align];
		334	val >>= atom_arg_shift[align];
		335	if (print)
		336	switch (align) {
		337	case ATOM_SRC_DWORD:
		338	DEBUG(".[31:0] -> 0x%08X\n", val);
		339	break;
		340	case ATOM_SRC_WORD0:
		341	DEBUG(".[15:0] -> 0x%04X\n", val);
		342	break;
		343	case ATOM_SRC_WORD8:
		344	DEBUG(".[23:8] -> 0x%04X\n", val);
		345	break;
		346	case ATOM_SRC_WORD16:
		347	DEBUG(".[31:16] -> 0x%04X\n", val);
		348	break;
		349	case ATOM_SRC_BYTE0:
		350	DEBUG(".[7:0] -> 0x%02X\n", val);
		351	break;
		352	case ATOM_SRC_BYTE8:
		353	DEBUG(".[15:8] -> 0x%02X\n", val);
		354	break;
		355	case ATOM_SRC_BYTE16:
		356	DEBUG(".[23:16] -> 0x%02X\n", val);
		357	break;
		358	case ATOM_SRC_BYTE24:
		359	DEBUG(".[31:24] -> 0x%02X\n", val);
		360	break;
		361	}
		362	return val;
		363	}
		364
		365	static void atom_skip_src_int(atom_exec_context ctx, uint8_t attr, int ptr)
		366	{
		367	uint32_t align = (attr >> 3) & 7, arg = attr & 7;
		368	switch (arg) {
		369	case ATOM_ARG_REG:
		370	case ATOM_ARG_ID:
		371	(*ptr) += 2;
		372	break;
		373	case ATOM_ARG_PLL:
		374	case ATOM_ARG_MC:
		375	case ATOM_ARG_PS:
		376	case ATOM_ARG_WS:
		377	case ATOM_ARG_FB:
		378	(*ptr)++;
		379	break;
		380	case ATOM_ARG_IMM:
		381	switch (align) {
		382	case ATOM_SRC_DWORD:
		383	(*ptr) += 4;
		384	return;
		385	case ATOM_SRC_WORD0:
		386	case ATOM_SRC_WORD8:
		387	case ATOM_SRC_WORD16:
		388	(*ptr) += 2;
		389	return;
		390	case ATOM_SRC_BYTE0:
		391	case ATOM_SRC_BYTE8:
		392	case ATOM_SRC_BYTE16:
		393	case ATOM_SRC_BYTE24:
		394	(*ptr)++;
		395	return;
		396	}
		397	return;
		398	}
		399	}
		400
		401	static uint32_t atom_get_src(atom_exec_context ctx, uint8_t attr, int ptr)
		402	{
		403	return atom_get_src_int(ctx, attr, ptr, NULL, 1);
		404	}
		405
1403	serge	406	static uint32_t atom_get_src_direct(atom_exec_context ctx, uint8_t align, int ptr)
		407	{
		408	uint32_t val = 0xCDCDCDCD;
		409
		410	switch (align) {
		411	case ATOM_SRC_DWORD:
		412	val = U32(*ptr);
		413	(*ptr) += 4;
		414	break;
		415	case ATOM_SRC_WORD0:
		416	case ATOM_SRC_WORD8:
		417	case ATOM_SRC_WORD16:
		418	val = U16(*ptr);
		419	(*ptr) += 2;
		420	break;
		421	case ATOM_SRC_BYTE0:
		422	case ATOM_SRC_BYTE8:
		423	case ATOM_SRC_BYTE16:
		424	case ATOM_SRC_BYTE24:
		425	val = U8(*ptr);
		426	(*ptr)++;
		427	break;
		428	}
		429	return val;
		430	}
		431
1117	serge	432	static uint32_t atom_get_dst(atom_exec_context *ctx, int arg, uint8_t attr,
		433	int ptr, uint32_t saved, int print)
		434	{
		435	return atom_get_src_int(ctx,
		436	arg \| atom_dst_to_src[(attr >> 3) &
		437	7][(attr >> 6) & 3] << 3,
		438	ptr, saved, print);
		439	}
		440
		441	static void atom_skip_dst(atom_exec_context ctx, int arg, uint8_t attr, int ptr)
		442	{
		443	atom_skip_src_int(ctx,
		444	arg \| atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) &
		445	3] << 3, ptr);
		446	}
		447
		448	static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr,
		449	int *ptr, uint32_t val, uint32_t saved)
		450	{
		451	uint32_t align =
		452	atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3], old_val =
		453	val, idx;
		454	struct atom_context *gctx = ctx->ctx;
		455	old_val &= atom_arg_mask[align] >> atom_arg_shift[align];
		456	val <<= atom_arg_shift[align];
		457	val &= atom_arg_mask[align];
		458	saved &= ~atom_arg_mask[align];
		459	val \|= saved;
		460	switch (arg) {
		461	case ATOM_ARG_REG:
		462	idx = U16(*ptr);
		463	(*ptr) += 2;
		464	DEBUG("REG[0x%04X]", idx);
		465	idx += gctx->reg_block;
		466	switch (gctx->io_mode) {
		467	case ATOM_IO_MM:
		468	if (idx == 0)
		469	gctx->card->reg_write(gctx->card, idx,
		470	val << 2);
		471	else
		472	gctx->card->reg_write(gctx->card, idx, val);
		473	break;
		474	case ATOM_IO_PCI:
		475	printk(KERN_INFO
		476	"PCI registers are not implemented.\n");
		477	return;
		478	case ATOM_IO_SYSIO:
		479	printk(KERN_INFO
		480	"SYSIO registers are not implemented.\n");
		481	return;
		482	default:
		483	if (!(gctx->io_mode & 0x80)) {
		484	printk(KERN_INFO "Bad IO mode.\n");
		485	return;
		486	}
		487	if (!gctx->iio[gctx->io_mode & 0xFF]) {
		488	printk(KERN_INFO
		489	"Undefined indirect IO write method %d.\n",
		490	gctx->io_mode & 0x7F);
		491	return;
		492	}
		493	atom_iio_execute(gctx, gctx->iio[gctx->io_mode & 0xFF],
		494	idx, val);
		495	}
		496	break;
		497	case ATOM_ARG_PS:
		498	idx = U8(*ptr);
		499	(*ptr)++;
		500	DEBUG("PS[0x%02X]", idx);
		501	ctx->ps[idx] = cpu_to_le32(val);
		502	break;
		503	case ATOM_ARG_WS:
		504	idx = U8(*ptr);
		505	(*ptr)++;
		506	DEBUG("WS[0x%02X]", idx);
		507	switch (idx) {
		508	case ATOM_WS_QUOTIENT:
		509	gctx->divmul[0] = val;
		510	break;
		511	case ATOM_WS_REMAINDER:
		512	gctx->divmul[1] = val;
		513	break;
		514	case ATOM_WS_DATAPTR:
		515	gctx->data_block = val;
		516	break;
		517	case ATOM_WS_SHIFT:
		518	gctx->shift = val;
		519	break;
		520	case ATOM_WS_OR_MASK:
		521	case ATOM_WS_AND_MASK:
		522	break;
		523	case ATOM_WS_FB_WINDOW:
		524	gctx->fb_base = val;
		525	break;
		526	case ATOM_WS_ATTRIBUTES:
		527	gctx->io_attr = val;
		528	break;
1403	serge	529	case ATOM_WS_REGPTR:
		530	gctx->reg_block = val;
		531	break;
1117	serge	532	default:
		533	ctx->ws[idx] = val;
		534	}
		535	break;
		536	case ATOM_ARG_FB:
		537	idx = U8(*ptr);
		538	(*ptr)++;
2997	Serge	539	if ((gctx->fb_base + (idx * 4)) > gctx->scratch_size_bytes) {
		540	DRM_ERROR("ATOM: fb write beyond scratch region: %d vs. %d\n",
		541	gctx->fb_base + (idx * 4), gctx->scratch_size_bytes);
		542	} else
		543	gctx->scratch[(gctx->fb_base / 4) + idx] = val;
1117	serge	544	DEBUG("FB[0x%02X]", idx);
1321	serge	545	break;
1117	serge	546	case ATOM_ARG_PLL:
		547	idx = U8(*ptr);
		548	(*ptr)++;
		549	DEBUG("PLL[0x%02X]", idx);
		550	gctx->card->pll_write(gctx->card, idx, val);
		551	break;
		552	case ATOM_ARG_MC:
		553	idx = U8(*ptr);
		554	(*ptr)++;
		555	DEBUG("MC[0x%02X]", idx);
		556	gctx->card->mc_write(gctx->card, idx, val);
		557	return;
		558	}
		559	switch (align) {
		560	case ATOM_SRC_DWORD:
		561	DEBUG(".[31:0] <- 0x%08X\n", old_val);
		562	break;
		563	case ATOM_SRC_WORD0:
		564	DEBUG(".[15:0] <- 0x%04X\n", old_val);
		565	break;
		566	case ATOM_SRC_WORD8:
		567	DEBUG(".[23:8] <- 0x%04X\n", old_val);
		568	break;
		569	case ATOM_SRC_WORD16:
		570	DEBUG(".[31:16] <- 0x%04X\n", old_val);
		571	break;
		572	case ATOM_SRC_BYTE0:
		573	DEBUG(".[7:0] <- 0x%02X\n", old_val);
		574	break;
		575	case ATOM_SRC_BYTE8:
		576	DEBUG(".[15:8] <- 0x%02X\n", old_val);
		577	break;
		578	case ATOM_SRC_BYTE16:
		579	DEBUG(".[23:16] <- 0x%02X\n", old_val);
		580	break;
		581	case ATOM_SRC_BYTE24:
		582	DEBUG(".[31:24] <- 0x%02X\n", old_val);
		583	break;
		584	}
		585	}
		586
		587	static void atom_op_add(atom_exec_context ctx, int ptr, int arg)
		588	{
		589	uint8_t attr = U8((*ptr)++);
		590	uint32_t dst, src, saved;
		591	int dptr = *ptr;
		592	SDEBUG(" dst: ");
		593	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		594	SDEBUG(" src: ");
		595	src = atom_get_src(ctx, attr, ptr);
		596	dst += src;
		597	SDEBUG(" dst: ");
		598	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		599	}
		600
		601	static void atom_op_and(atom_exec_context ctx, int ptr, int arg)
		602	{
		603	uint8_t attr = U8((*ptr)++);
		604	uint32_t dst, src, saved;
		605	int dptr = *ptr;
		606	SDEBUG(" dst: ");
		607	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		608	SDEBUG(" src: ");
		609	src = atom_get_src(ctx, attr, ptr);
		610	dst &= src;
		611	SDEBUG(" dst: ");
		612	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		613	}
		614
		615	static void atom_op_beep(atom_exec_context ctx, int ptr, int arg)
		616	{
		617	printk("ATOM BIOS beeped!\n");
		618	}
		619
		620	static void atom_op_calltable(atom_exec_context ctx, int ptr, int arg)
		621	{
		622	int idx = U8((*ptr)++);
1963	serge	623	int r = 0;
		624
1117	serge	625	if (idx < ATOM_TABLE_NAMES_CNT)
		626	SDEBUG(" table: %d (%s)\n", idx, atom_table_names[idx]);
		627	else
		628	SDEBUG(" table: %d\n", idx);
		629	if (U16(ctx->ctx->cmd_table + 4 + 2 * idx))
1963	serge	630	r = atom_execute_table_locked(ctx->ctx, idx, ctx->ps + ctx->ps_shift);
		631	if (r) {
		632	ctx->abort = true;
		633	}
1117	serge	634	}
		635
		636	static void atom_op_clear(atom_exec_context ctx, int ptr, int arg)
		637	{
		638	uint8_t attr = U8((*ptr)++);
		639	uint32_t saved;
		640	int dptr = *ptr;
		641	attr &= 0x38;
		642	attr \|= atom_def_dst[attr >> 3] << 6;
		643	atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
		644	SDEBUG(" dst: ");
		645	atom_put_dst(ctx, arg, attr, &dptr, 0, saved);
		646	}
		647
		648	static void atom_op_compare(atom_exec_context ctx, int ptr, int arg)
		649	{
		650	uint8_t attr = U8((*ptr)++);
		651	uint32_t dst, src;
		652	SDEBUG(" src1: ");
		653	dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
		654	SDEBUG(" src2: ");
		655	src = atom_get_src(ctx, attr, ptr);
		656	ctx->ctx->cs_equal = (dst == src);
		657	ctx->ctx->cs_above = (dst > src);
		658	SDEBUG(" result: %s %s\n", ctx->ctx->cs_equal ? "EQ" : "NE",
		659	ctx->ctx->cs_above ? "GT" : "LE");
		660	}
		661
		662	static void atom_op_delay(atom_exec_context ctx, int ptr, int arg)
		663	{
1963	serge	664	unsigned count = U8((*ptr)++);
1117	serge	665	SDEBUG(" count: %d\n", count);
6104	serge	666	if (arg == ATOM_UNIT_MICROSEC)
		667	udelay(count);
		668	else if (!drm_can_sleep())
		669	mdelay(count);
		670	else
1963	serge	671	msleep(count);
1117	serge	672	}
		673
		674	static void atom_op_div(atom_exec_context ctx, int ptr, int arg)
		675	{
		676	uint8_t attr = U8((*ptr)++);
		677	uint32_t dst, src;
		678	SDEBUG(" src1: ");
		679	dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
		680	SDEBUG(" src2: ");
		681	src = atom_get_src(ctx, attr, ptr);
		682	if (src != 0) {
		683	ctx->ctx->divmul[0] = dst / src;
		684	ctx->ctx->divmul[1] = dst % src;
		685	} else {
		686	ctx->ctx->divmul[0] = 0;
		687	ctx->ctx->divmul[1] = 0;
		688	}
		689	}
		690
		691	static void atom_op_eot(atom_exec_context ctx, int ptr, int arg)
		692	{
		693	/* functionally, a nop */
		694	}
		695
		696	static void atom_op_jump(atom_exec_context ctx, int ptr, int arg)
		697	{
		698	int execute = 0, target = U16(*ptr);
1963	serge	699	unsigned long cjiffies;
		700
1117	serge	701	(*ptr) += 2;
		702	switch (arg) {
		703	case ATOM_COND_ABOVE:
		704	execute = ctx->ctx->cs_above;
		705	break;
		706	case ATOM_COND_ABOVEOREQUAL:
		707	execute = ctx->ctx->cs_above \|\| ctx->ctx->cs_equal;
		708	break;
		709	case ATOM_COND_ALWAYS:
		710	execute = 1;
		711	break;
		712	case ATOM_COND_BELOW:
		713	execute = !(ctx->ctx->cs_above \|\| ctx->ctx->cs_equal);
		714	break;
		715	case ATOM_COND_BELOWOREQUAL:
		716	execute = !ctx->ctx->cs_above;
		717	break;
		718	case ATOM_COND_EQUAL:
		719	execute = ctx->ctx->cs_equal;
		720	break;
		721	case ATOM_COND_NOTEQUAL:
		722	execute = !ctx->ctx->cs_equal;
		723	break;
		724	}
		725	if (arg != ATOM_COND_ALWAYS)
		726	SDEBUG(" taken: %s\n", execute ? "yes" : "no");
		727	SDEBUG(" target: 0x%04X\n", target);
2997	Serge	728	if (execute) {
		729	if (ctx->last_jump == (ctx->start + target)) {
5078	serge	730	cjiffies = jiffies;
2997	Serge	731	if (time_after(cjiffies, ctx->last_jump_jiffies)) {
		732	cjiffies -= ctx->last_jump_jiffies;
		733	if ((jiffies_to_msecs(cjiffies) > 5000)) {
		734	DRM_ERROR("atombios stuck in loop for more than 5secs aborting\n");
		735	ctx->abort = true;
		736	}
		737	} else {
		738	/* jiffies wrap around we will just wait a little longer */
5078	serge	739	ctx->last_jump_jiffies = jiffies;
2997	Serge	740	}
		741	} else {
		742	ctx->last_jump = ctx->start + target;
5078	serge	743	ctx->last_jump_jiffies = jiffies;
2997	Serge	744	}
1117	serge	745	*ptr = ctx->start + target;
2997	Serge	746	}
1117	serge	747	}
		748
		749	static void atom_op_mask(atom_exec_context ctx, int ptr, int arg)
		750	{
		751	uint8_t attr = U8((*ptr)++);
1963	serge	752	uint32_t dst, mask, src, saved;
1117	serge	753	int dptr = *ptr;
		754	SDEBUG(" dst: ");
		755	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
1963	serge	756	mask = atom_get_src_direct(ctx, ((attr >> 3) & 7), ptr);
		757	SDEBUG(" mask: 0x%08x", mask);
		758	SDEBUG(" src: ");
		759	src = atom_get_src(ctx, attr, ptr);
		760	dst &= mask;
		761	dst \|= src;
1117	serge	762	SDEBUG(" dst: ");
		763	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		764	}
		765
		766	static void atom_op_move(atom_exec_context ctx, int ptr, int arg)
		767	{
		768	uint8_t attr = U8((*ptr)++);
		769	uint32_t src, saved;
		770	int dptr = *ptr;
		771	if (((attr >> 3) & 7) != ATOM_SRC_DWORD)
		772	atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
		773	else {
		774	atom_skip_dst(ctx, arg, attr, ptr);
		775	saved = 0xCDCDCDCD;
		776	}
		777	SDEBUG(" src: ");
		778	src = atom_get_src(ctx, attr, ptr);
		779	SDEBUG(" dst: ");
		780	atom_put_dst(ctx, arg, attr, &dptr, src, saved);
		781	}
		782
		783	static void atom_op_mul(atom_exec_context ctx, int ptr, int arg)
		784	{
		785	uint8_t attr = U8((*ptr)++);
		786	uint32_t dst, src;
		787	SDEBUG(" src1: ");
		788	dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
		789	SDEBUG(" src2: ");
		790	src = atom_get_src(ctx, attr, ptr);
		791	ctx->ctx->divmul[0] = dst * src;
		792	}
		793
		794	static void atom_op_nop(atom_exec_context ctx, int ptr, int arg)
		795	{
		796	/* nothing */
		797	}
		798
		799	static void atom_op_or(atom_exec_context ctx, int ptr, int arg)
		800	{
		801	uint8_t attr = U8((*ptr)++);
		802	uint32_t dst, src, saved;
		803	int dptr = *ptr;
		804	SDEBUG(" dst: ");
		805	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		806	SDEBUG(" src: ");
		807	src = atom_get_src(ctx, attr, ptr);
		808	dst \|= src;
		809	SDEBUG(" dst: ");
		810	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		811	}
		812
		813	static void atom_op_postcard(atom_exec_context ctx, int ptr, int arg)
		814	{
		815	uint8_t val = U8((*ptr)++);
		816	SDEBUG("POST card output: 0x%02X\n", val);
		817	}
		818
		819	static void atom_op_repeat(atom_exec_context ctx, int ptr, int arg)
		820	{
		821	printk(KERN_INFO "unimplemented!\n");
		822	}
		823
		824	static void atom_op_restorereg(atom_exec_context ctx, int ptr, int arg)
		825	{
		826	printk(KERN_INFO "unimplemented!\n");
		827	}
		828
		829	static void atom_op_savereg(atom_exec_context ctx, int ptr, int arg)
		830	{
		831	printk(KERN_INFO "unimplemented!\n");
		832	}
		833
		834	static void atom_op_setdatablock(atom_exec_context ctx, int ptr, int arg)
		835	{
		836	int idx = U8(*ptr);
		837	(*ptr)++;
		838	SDEBUG(" block: %d\n", idx);
		839	if (!idx)
		840	ctx->ctx->data_block = 0;
		841	else if (idx == 255)
		842	ctx->ctx->data_block = ctx->start;
		843	else
		844	ctx->ctx->data_block = U16(ctx->ctx->data_table + 4 + 2 * idx);
		845	SDEBUG(" base: 0x%04X\n", ctx->ctx->data_block);
		846	}
		847
		848	static void atom_op_setfbbase(atom_exec_context ctx, int ptr, int arg)
		849	{
		850	uint8_t attr = U8((*ptr)++);
		851	SDEBUG(" fb_base: ");
		852	ctx->ctx->fb_base = atom_get_src(ctx, attr, ptr);
		853	}
		854
		855	static void atom_op_setport(atom_exec_context ctx, int ptr, int arg)
		856	{
		857	int port;
		858	switch (arg) {
		859	case ATOM_PORT_ATI:
		860	port = U16(*ptr);
		861	if (port < ATOM_IO_NAMES_CNT)
		862	SDEBUG(" port: %d (%s)\n", port, atom_io_names[port]);
		863	else
		864	SDEBUG(" port: %d\n", port);
		865	if (!port)
		866	ctx->ctx->io_mode = ATOM_IO_MM;
		867	else
		868	ctx->ctx->io_mode = ATOM_IO_IIO \| port;
		869	(*ptr) += 2;
		870	break;
		871	case ATOM_PORT_PCI:
		872	ctx->ctx->io_mode = ATOM_IO_PCI;
		873	(*ptr)++;
		874	break;
		875	case ATOM_PORT_SYSIO:
		876	ctx->ctx->io_mode = ATOM_IO_SYSIO;
		877	(*ptr)++;
		878	break;
		879	}
		880	}
		881
		882	static void atom_op_setregblock(atom_exec_context ctx, int ptr, int arg)
		883	{
		884	ctx->ctx->reg_block = U16(*ptr);
		885	(*ptr) += 2;
		886	SDEBUG(" base: 0x%04X\n", ctx->ctx->reg_block);
		887	}
		888
1403	serge	889	static void atom_op_shift_left(atom_exec_context ctx, int ptr, int arg)
		890	{
		891	uint8_t attr = U8((*ptr)++), shift;
		892	uint32_t saved, dst;
		893	int dptr = *ptr;
		894	attr &= 0x38;
		895	attr \|= atom_def_dst[attr >> 3] << 6;
		896	SDEBUG(" dst: ");
		897	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		898	shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr);
		899	SDEBUG(" shift: %d\n", shift);
		900	dst <<= shift;
		901	SDEBUG(" dst: ");
		902	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		903	}
		904
		905	static void atom_op_shift_right(atom_exec_context ctx, int ptr, int arg)
		906	{
		907	uint8_t attr = U8((*ptr)++), shift;
		908	uint32_t saved, dst;
		909	int dptr = *ptr;
		910	attr &= 0x38;
		911	attr \|= atom_def_dst[attr >> 3] << 6;
		912	SDEBUG(" dst: ");
		913	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		914	shift = atom_get_src_direct(ctx, ATOM_SRC_BYTE0, ptr);
		915	SDEBUG(" shift: %d\n", shift);
		916	dst >>= shift;
		917	SDEBUG(" dst: ");
		918	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		919	}
		920
1117	serge	921	static void atom_op_shl(atom_exec_context ctx, int ptr, int arg)
		922	{
		923	uint8_t attr = U8((*ptr)++), shift;
		924	uint32_t saved, dst;
		925	int dptr = *ptr;
1963	serge	926	uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3];
1117	serge	927	SDEBUG(" dst: ");
		928	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
1963	serge	929	/* op needs to full dst value */
		930	dst = saved;
1403	serge	931	shift = atom_get_src(ctx, attr, ptr);
1117	serge	932	SDEBUG(" shift: %d\n", shift);
		933	dst <<= shift;
1963	serge	934	dst &= atom_arg_mask[dst_align];
		935	dst >>= atom_arg_shift[dst_align];
1117	serge	936	SDEBUG(" dst: ");
		937	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		938	}
		939
		940	static void atom_op_shr(atom_exec_context ctx, int ptr, int arg)
		941	{
		942	uint8_t attr = U8((*ptr)++), shift;
		943	uint32_t saved, dst;
		944	int dptr = *ptr;
1963	serge	945	uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3];
1117	serge	946	SDEBUG(" dst: ");
		947	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
1963	serge	948	/* op needs to full dst value */
		949	dst = saved;
1403	serge	950	shift = atom_get_src(ctx, attr, ptr);
1117	serge	951	SDEBUG(" shift: %d\n", shift);
		952	dst >>= shift;
1963	serge	953	dst &= atom_arg_mask[dst_align];
		954	dst >>= atom_arg_shift[dst_align];
1117	serge	955	SDEBUG(" dst: ");
		956	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		957	}
		958
		959	static void atom_op_sub(atom_exec_context ctx, int ptr, int arg)
		960	{
		961	uint8_t attr = U8((*ptr)++);
		962	uint32_t dst, src, saved;
		963	int dptr = *ptr;
		964	SDEBUG(" dst: ");
		965	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		966	SDEBUG(" src: ");
		967	src = atom_get_src(ctx, attr, ptr);
		968	dst -= src;
		969	SDEBUG(" dst: ");
		970	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		971	}
		972
		973	static void atom_op_switch(atom_exec_context ctx, int ptr, int arg)
		974	{
		975	uint8_t attr = U8((*ptr)++);
		976	uint32_t src, val, target;
		977	SDEBUG(" switch: ");
		978	src = atom_get_src(ctx, attr, ptr);
		979	while (U16(*ptr) != ATOM_CASE_END)
		980	if (U8(*ptr) == ATOM_CASE_MAGIC) {
		981	(*ptr)++;
		982	SDEBUG(" case: ");
		983	val =
		984	atom_get_src(ctx, (attr & 0x38) \| ATOM_ARG_IMM,
		985	ptr);
		986	target = U16(*ptr);
		987	if (val == src) {
		988	SDEBUG(" target: %04X\n", target);
		989	*ptr = ctx->start + target;
		990	return;
		991	}
		992	(*ptr) += 2;
		993	} else {
		994	printk(KERN_INFO "Bad case.\n");
		995	return;
		996	}
		997	(*ptr) += 2;
		998	}
		999
		1000	static void atom_op_test(atom_exec_context ctx, int ptr, int arg)
		1001	{
		1002	uint8_t attr = U8((*ptr)++);
		1003	uint32_t dst, src;
		1004	SDEBUG(" src1: ");
		1005	dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
		1006	SDEBUG(" src2: ");
		1007	src = atom_get_src(ctx, attr, ptr);
		1008	ctx->ctx->cs_equal = ((dst & src) == 0);
		1009	SDEBUG(" result: %s\n", ctx->ctx->cs_equal ? "EQ" : "NE");
		1010	}
		1011
		1012	static void atom_op_xor(atom_exec_context ctx, int ptr, int arg)
		1013	{
		1014	uint8_t attr = U8((*ptr)++);
		1015	uint32_t dst, src, saved;
		1016	int dptr = *ptr;
		1017	SDEBUG(" dst: ");
		1018	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
		1019	SDEBUG(" src: ");
		1020	src = atom_get_src(ctx, attr, ptr);
		1021	dst ^= src;
		1022	SDEBUG(" dst: ");
		1023	atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
		1024	}
		1025
		1026	static void atom_op_debug(atom_exec_context ctx, int ptr, int arg)
		1027	{
		1028	printk(KERN_INFO "unimplemented!\n");
		1029	}
		1030
		1031	static struct {
		1032	void (func) (atom_exec_context , int *, int);
		1033	int arg;
		1034	} opcode_table[ATOM_OP_CNT] = {
		1035	{
		1036	NULL, 0}, {
		1037	atom_op_move, ATOM_ARG_REG}, {
		1038	atom_op_move, ATOM_ARG_PS}, {
		1039	atom_op_move, ATOM_ARG_WS}, {
		1040	atom_op_move, ATOM_ARG_FB}, {
		1041	atom_op_move, ATOM_ARG_PLL}, {
		1042	atom_op_move, ATOM_ARG_MC}, {
		1043	atom_op_and, ATOM_ARG_REG}, {
		1044	atom_op_and, ATOM_ARG_PS}, {
		1045	atom_op_and, ATOM_ARG_WS}, {
		1046	atom_op_and, ATOM_ARG_FB}, {
		1047	atom_op_and, ATOM_ARG_PLL}, {
		1048	atom_op_and, ATOM_ARG_MC}, {
		1049	atom_op_or, ATOM_ARG_REG}, {
		1050	atom_op_or, ATOM_ARG_PS}, {
		1051	atom_op_or, ATOM_ARG_WS}, {
		1052	atom_op_or, ATOM_ARG_FB}, {
		1053	atom_op_or, ATOM_ARG_PLL}, {
		1054	atom_op_or, ATOM_ARG_MC}, {
1403	serge	1055	atom_op_shift_left, ATOM_ARG_REG}, {
		1056	atom_op_shift_left, ATOM_ARG_PS}, {
		1057	atom_op_shift_left, ATOM_ARG_WS}, {
		1058	atom_op_shift_left, ATOM_ARG_FB}, {
		1059	atom_op_shift_left, ATOM_ARG_PLL}, {
		1060	atom_op_shift_left, ATOM_ARG_MC}, {
		1061	atom_op_shift_right, ATOM_ARG_REG}, {
		1062	atom_op_shift_right, ATOM_ARG_PS}, {
		1063	atom_op_shift_right, ATOM_ARG_WS}, {
		1064	atom_op_shift_right, ATOM_ARG_FB}, {
		1065	atom_op_shift_right, ATOM_ARG_PLL}, {
		1066	atom_op_shift_right, ATOM_ARG_MC}, {
1117	serge	1067	atom_op_mul, ATOM_ARG_REG}, {
		1068	atom_op_mul, ATOM_ARG_PS}, {
		1069	atom_op_mul, ATOM_ARG_WS}, {
		1070	atom_op_mul, ATOM_ARG_FB}, {
		1071	atom_op_mul, ATOM_ARG_PLL}, {
		1072	atom_op_mul, ATOM_ARG_MC}, {
		1073	atom_op_div, ATOM_ARG_REG}, {
		1074	atom_op_div, ATOM_ARG_PS}, {
		1075	atom_op_div, ATOM_ARG_WS}, {
		1076	atom_op_div, ATOM_ARG_FB}, {
		1077	atom_op_div, ATOM_ARG_PLL}, {
		1078	atom_op_div, ATOM_ARG_MC}, {
		1079	atom_op_add, ATOM_ARG_REG}, {
		1080	atom_op_add, ATOM_ARG_PS}, {
		1081	atom_op_add, ATOM_ARG_WS}, {
		1082	atom_op_add, ATOM_ARG_FB}, {
		1083	atom_op_add, ATOM_ARG_PLL}, {
		1084	atom_op_add, ATOM_ARG_MC}, {
		1085	atom_op_sub, ATOM_ARG_REG}, {
		1086	atom_op_sub, ATOM_ARG_PS}, {
		1087	atom_op_sub, ATOM_ARG_WS}, {
		1088	atom_op_sub, ATOM_ARG_FB}, {
		1089	atom_op_sub, ATOM_ARG_PLL}, {
		1090	atom_op_sub, ATOM_ARG_MC}, {
		1091	atom_op_setport, ATOM_PORT_ATI}, {
		1092	atom_op_setport, ATOM_PORT_PCI}, {
		1093	atom_op_setport, ATOM_PORT_SYSIO}, {
		1094	atom_op_setregblock, 0}, {
		1095	atom_op_setfbbase, 0}, {
		1096	atom_op_compare, ATOM_ARG_REG}, {
		1097	atom_op_compare, ATOM_ARG_PS}, {
		1098	atom_op_compare, ATOM_ARG_WS}, {
		1099	atom_op_compare, ATOM_ARG_FB}, {
		1100	atom_op_compare, ATOM_ARG_PLL}, {
		1101	atom_op_compare, ATOM_ARG_MC}, {
		1102	atom_op_switch, 0}, {
		1103	atom_op_jump, ATOM_COND_ALWAYS}, {
		1104	atom_op_jump, ATOM_COND_EQUAL}, {
		1105	atom_op_jump, ATOM_COND_BELOW}, {
		1106	atom_op_jump, ATOM_COND_ABOVE}, {
		1107	atom_op_jump, ATOM_COND_BELOWOREQUAL}, {
		1108	atom_op_jump, ATOM_COND_ABOVEOREQUAL}, {
		1109	atom_op_jump, ATOM_COND_NOTEQUAL}, {
		1110	atom_op_test, ATOM_ARG_REG}, {
		1111	atom_op_test, ATOM_ARG_PS}, {
		1112	atom_op_test, ATOM_ARG_WS}, {
		1113	atom_op_test, ATOM_ARG_FB}, {
		1114	atom_op_test, ATOM_ARG_PLL}, {
		1115	atom_op_test, ATOM_ARG_MC}, {
		1116	atom_op_delay, ATOM_UNIT_MILLISEC}, {
		1117	atom_op_delay, ATOM_UNIT_MICROSEC}, {
		1118	atom_op_calltable, 0}, {
		1119	atom_op_repeat, 0}, {
		1120	atom_op_clear, ATOM_ARG_REG}, {
		1121	atom_op_clear, ATOM_ARG_PS}, {
		1122	atom_op_clear, ATOM_ARG_WS}, {
		1123	atom_op_clear, ATOM_ARG_FB}, {
		1124	atom_op_clear, ATOM_ARG_PLL}, {
		1125	atom_op_clear, ATOM_ARG_MC}, {
		1126	atom_op_nop, 0}, {
		1127	atom_op_eot, 0}, {
		1128	atom_op_mask, ATOM_ARG_REG}, {
		1129	atom_op_mask, ATOM_ARG_PS}, {
		1130	atom_op_mask, ATOM_ARG_WS}, {
		1131	atom_op_mask, ATOM_ARG_FB}, {
		1132	atom_op_mask, ATOM_ARG_PLL}, {
		1133	atom_op_mask, ATOM_ARG_MC}, {
		1134	atom_op_postcard, 0}, {
		1135	atom_op_beep, 0}, {
		1136	atom_op_savereg, 0}, {
		1137	atom_op_restorereg, 0}, {
		1138	atom_op_setdatablock, 0}, {
		1139	atom_op_xor, ATOM_ARG_REG}, {
		1140	atom_op_xor, ATOM_ARG_PS}, {
		1141	atom_op_xor, ATOM_ARG_WS}, {
		1142	atom_op_xor, ATOM_ARG_FB}, {
		1143	atom_op_xor, ATOM_ARG_PLL}, {
		1144	atom_op_xor, ATOM_ARG_MC}, {
		1145	atom_op_shl, ATOM_ARG_REG}, {
		1146	atom_op_shl, ATOM_ARG_PS}, {
		1147	atom_op_shl, ATOM_ARG_WS}, {
		1148	atom_op_shl, ATOM_ARG_FB}, {
		1149	atom_op_shl, ATOM_ARG_PLL}, {
		1150	atom_op_shl, ATOM_ARG_MC}, {
		1151	atom_op_shr, ATOM_ARG_REG}, {
		1152	atom_op_shr, ATOM_ARG_PS}, {
		1153	atom_op_shr, ATOM_ARG_WS}, {
		1154	atom_op_shr, ATOM_ARG_FB}, {
		1155	atom_op_shr, ATOM_ARG_PLL}, {
		1156	atom_op_shr, ATOM_ARG_MC}, {
		1157	atom_op_debug, 0},};
		1158
1963	serge	1159	static int atom_execute_table_locked(struct atom_context ctx, int index, uint32_t params)
1117	serge	1160	{
		1161	int base = CU16(ctx->cmd_table + 4 + 2 * index);
		1162	int len, ws, ps, ptr;
		1163	unsigned char op;
		1164	atom_exec_context ectx;
1963	serge	1165	int ret = 0;
1117	serge	1166
		1167	if (!base)
1963	serge	1168	return -EINVAL;
1117	serge	1169
		1170	len = CU16(base + ATOM_CT_SIZE_PTR);
		1171	ws = CU8(base + ATOM_CT_WS_PTR);
		1172	ps = CU8(base + ATOM_CT_PS_PTR) & ATOM_CT_PS_MASK;
		1173	ptr = base + ATOM_CT_CODE_PTR;
		1174
		1175	SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base, len, ws, ps);
		1176
		1177	ectx.ctx = ctx;
		1178	ectx.ps_shift = ps / 4;
		1179	ectx.start = base;
		1180	ectx.ps = params;
1963	serge	1181	ectx.abort = false;
		1182	ectx.last_jump = 0;
1117	serge	1183	if (ws)
		1184	ectx.ws = kzalloc(4 * ws, GFP_KERNEL);
		1185	else
		1186	ectx.ws = NULL;
		1187
		1188	debug_depth++;
		1189	while (1) {
		1190	op = CU8(ptr++);
		1191	if (op < ATOM_OP_NAMES_CNT)
		1192	SDEBUG("%s @ 0x%04X\n", atom_op_names[op], ptr - 1);
		1193	else
		1194	SDEBUG("[%d] @ 0x%04X\n", op, ptr - 1);
1963	serge	1195	if (ectx.abort) {
		1196	DRM_ERROR("atombios stuck executing %04X (len %d, WS %d, PS %d) @ 0x%04X\n",
		1197	base, len, ws, ps, ptr - 1);
		1198	ret = -EINVAL;
		1199	goto free;
		1200	}
1117	serge	1201
		1202	if (op < ATOM_OP_CNT && op > 0)
		1203	opcode_table[op].func(&ectx, &ptr,
		1204	opcode_table[op].arg);
		1205	else
		1206	break;
		1207
		1208	if (op == ATOM_OP_EOT)
		1209	break;
		1210	}
		1211	debug_depth--;
		1212	SDEBUG("<<\n");
		1213
1963	serge	1214	free:
1117	serge	1215	if (ws)
		1216	kfree(ectx.ws);
1963	serge	1217	return ret;
1117	serge	1218	}
		1219
5271	serge	1220	int atom_execute_table_scratch_unlocked(struct atom_context ctx, int index, uint32_t params)
1403	serge	1221	{
1963	serge	1222	int r;
		1223
1403	serge	1224	mutex_lock(&ctx->mutex);
5078	serge	1225	/* reset data block */
		1226	ctx->data_block = 0;
1403	serge	1227	/* reset reg block */
		1228	ctx->reg_block = 0;
		1229	/* reset fb window */
		1230	ctx->fb_base = 0;
		1231	/* reset io mode */
		1232	ctx->io_mode = ATOM_IO_MM;
5078	serge	1233	/* reset divmul */
		1234	ctx->divmul[0] = 0;
		1235	ctx->divmul[1] = 0;
1963	serge	1236	r = atom_execute_table_locked(ctx, index, params);
1403	serge	1237	mutex_unlock(&ctx->mutex);
1963	serge	1238	return r;
1403	serge	1239	}
		1240
5271	serge	1241	int atom_execute_table(struct atom_context ctx, int index, uint32_t params)
		1242	{
		1243	int r;
		1244	mutex_lock(&ctx->scratch_mutex);
		1245	r = atom_execute_table_scratch_unlocked(ctx, index, params);
		1246	mutex_unlock(&ctx->scratch_mutex);
		1247	return r;
		1248	}
		1249
1117	serge	1250	static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 };
		1251
		1252	static void atom_index_iio(struct atom_context *ctx, int base)
		1253	{
		1254	ctx->iio = kzalloc(2 * 256, GFP_KERNEL);
3764	Serge	1255	if (!ctx->iio)
		1256	return;
1117	serge	1257	while (CU8(base) == ATOM_IIO_START) {
		1258	ctx->iio[CU8(base + 1)] = base + 2;
		1259	base += 2;
		1260	while (CU8(base) != ATOM_IIO_END)
		1261	base += atom_iio_len[CU8(base)];
		1262	base += 3;
		1263	}
		1264	}
		1265
		1266	struct atom_context atom_parse(struct card_info card, void *bios)
		1267	{
		1268	int base;
		1269	struct atom_context *ctx =
		1270	kzalloc(sizeof(struct atom_context), GFP_KERNEL);
		1271	char *str;
		1272	char name[512];
		1273	int i;
		1274
2160	serge	1275	if (!ctx)
		1276	return NULL;
		1277
1117	serge	1278	ctx->card = card;
		1279	ctx->bios = bios;
		1280
		1281	if (CU16(0) != ATOM_BIOS_MAGIC) {
		1282	printk(KERN_INFO "Invalid BIOS magic.\n");
		1283	kfree(ctx);
		1284	return NULL;
		1285	}
		1286	if (strncmp
		1287	(CSTR(ATOM_ATI_MAGIC_PTR), ATOM_ATI_MAGIC,
		1288	strlen(ATOM_ATI_MAGIC))) {
		1289	printk(KERN_INFO "Invalid ATI magic.\n");
		1290	kfree(ctx);
		1291	return NULL;
		1292	}
		1293
		1294	base = CU16(ATOM_ROM_TABLE_PTR);
		1295	if (strncmp
		1296	(CSTR(base + ATOM_ROM_MAGIC_PTR), ATOM_ROM_MAGIC,
		1297	strlen(ATOM_ROM_MAGIC))) {
		1298	printk(KERN_INFO "Invalid ATOM magic.\n");
		1299	kfree(ctx);
		1300	return NULL;
		1301	}
		1302
		1303	ctx->cmd_table = CU16(base + ATOM_ROM_CMD_PTR);
		1304	ctx->data_table = CU16(base + ATOM_ROM_DATA_PTR);
		1305	atom_index_iio(ctx, CU16(ctx->data_table + ATOM_DATA_IIO_PTR) + 4);
3764	Serge	1306	if (!ctx->iio) {
		1307	atom_destroy(ctx);
		1308	return NULL;
		1309	}
1117	serge	1310
		1311	str = CSTR(CU16(base + ATOM_ROM_MSG_PTR));
		1312	while (str && ((str == '\n') \|\| (*str == '\r')))
		1313	str++;
		1314	/* name string isn't always 0 terminated */
		1315	for (i = 0; i < 511; i++) {
		1316	name[i] = str[i];
		1317	if (name[i] < '.' \|\| name[i] > 'z') {
		1318	name[i] = 0;
		1319	break;
		1320	}
		1321	}
		1322	printk(KERN_INFO "ATOM BIOS: %s\n", name);
		1323
		1324	return ctx;
		1325	}
		1326
		1327	int atom_asic_init(struct atom_context *ctx)
		1328	{
2997	Serge	1329	struct radeon_device *rdev = ctx->card->dev->dev_private;
1117	serge	1330	int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR);
		1331	uint32_t ps[16];
2997	Serge	1332	int ret;
		1333
1117	serge	1334	memset(ps, 0, 64);
		1335
		1336	ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR));
		1337	ps[1] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFMCLK_PTR));
		1338	if (!ps[0] \|\| !ps[1])
		1339	return 1;
		1340
		1341	if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT))
		1342	return 1;
2997	Serge	1343	ret = atom_execute_table(ctx, ATOM_CMD_INIT, ps);
		1344	if (ret)
		1345	return ret;
		1346
		1347	memset(ps, 0, 64);
		1348
		1349	if (rdev->family < CHIP_R600) {
		1350	if (CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_SPDFANCNTL))
		1351	atom_execute_table(ctx, ATOM_CMD_SPDFANCNTL, ps);
		1352	}
		1353	return ret;
1117	serge	1354	}
		1355
		1356	void atom_destroy(struct atom_context *ctx)
		1357	{
5271	serge	1358	kfree(ctx->iio);
1117	serge	1359	kfree(ctx);
		1360	}
		1361
1963	serge	1362	bool atom_parse_data_header(struct atom_context *ctx, int index,
1117	serge	1363	uint16_t * size, uint8_t * frev, uint8_t * crev,
		1364	uint16_t * data_start)
		1365	{
		1366	int offset = index * 2 + 4;
		1367	int idx = CU16(ctx->data_table + offset);
1963	serge	1368	u16 mdt = (u16 )(ctx->bios + ctx->data_table + 4);
1117	serge	1369
1963	serge	1370	if (!mdt[index])
		1371	return false;
		1372
1117	serge	1373	if (size)
		1374	*size = CU16(idx);
		1375	if (frev)
		1376	*frev = CU8(idx + 2);
		1377	if (crev)
		1378	*crev = CU8(idx + 3);
		1379	*data_start = idx;
1963	serge	1380	return true;
1117	serge	1381	}
		1382
1963	serge	1383	bool atom_parse_cmd_header(struct atom_context ctx, int index, uint8_t frev,
1117	serge	1384	uint8_t * crev)
		1385	{
		1386	int offset = index * 2 + 4;
		1387	int idx = CU16(ctx->cmd_table + offset);
1963	serge	1388	u16 mct = (u16 )(ctx->bios + ctx->cmd_table + 4);
1117	serge	1389
1963	serge	1390	if (!mct[index])
		1391	return false;
		1392
1117	serge	1393	if (frev)
		1394	*frev = CU8(idx + 2);
		1395	if (crev)
		1396	*crev = CU8(idx + 3);
1963	serge	1397	return true;
1117	serge	1398	}
1321	serge	1399
		1400	int atom_allocate_fb_scratch(struct atom_context *ctx)
		1401	{
		1402	int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware);
		1403	uint16_t data_offset;
1963	serge	1404	int usage_bytes = 0;
1321	serge	1405	struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
		1406
1963	serge	1407	if (atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
6104	serge	1408	firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
1321	serge	1409
6104	serge	1410	DRM_DEBUG("atom firmware requested %08x %dkb\n",
3764	Serge	1411	le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware),
		1412	le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb));
1321	serge	1413
3764	Serge	1414	usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024;
1963	serge	1415	}
2997	Serge	1416	ctx->scratch_size_bytes = 0;
1321	serge	1417	if (usage_bytes == 0)
		1418	usage_bytes = 20 * 1024;
		1419	/* allocate some scratch memory */
		1420	ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);
		1421	if (!ctx->scratch)
		1422	return -ENOMEM;
2997	Serge	1423	ctx->scratch_size_bytes = usage_bytes;
1321	serge	1424	return 0;
		1425	}

Subversion Repositories Kolibri OS

(root)/drivers/video/drm/radeon/atom.c – Rev 6321